CN102494348A - Energy-saving pulverized coal grinding and delivering equipment for boilers and kilns - Google Patents
Energy-saving pulverized coal grinding and delivering equipment for boilers and kilns Download PDFInfo
- Publication number
- CN102494348A CN102494348A CN2011103732741A CN201110373274A CN102494348A CN 102494348 A CN102494348 A CN 102494348A CN 2011103732741 A CN2011103732741 A CN 2011103732741A CN 201110373274 A CN201110373274 A CN 201110373274A CN 102494348 A CN102494348 A CN 102494348A
- Authority
- CN
- China
- Prior art keywords
- hammer
- coal dust
- coal
- driving shaft
- energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
An environment-saving pulverized coal grinding and delivering equipment for boilers and kilns comprises a housing and a driving shaft, wherein the housing is mounted on a framework, and the driving shaft runs through the housing and is disposed on the framework. Besides, a driving wheel is arranged on the driving shaft, a feed hopper is arranged on the housing, and a primary grinding hammer, a secondary grinding hammer, a tertiary grinding hammer and an air delivery device are sequentially arranged on the driving shaft in the housing, a partition plate is arranged between the tertiary grinding hammer and the air delivery device, and a pulverized coal regrinding groove is arranged between the partition plate and the tertiary grinding hammer. The housing is further provided with a pulverized coal separating chamber with a coarse pulverized coal return pipe, and a coarse pulverized coal inlet is arranged between the coarse pulverized coal return pipe and the primary grinding hammer. The energy-saving pulverized coal grinding and delivering equipment for the boilers and the kilns has the advantages that heat loss due to insufficient burning of coal of the boilers and kilns is eliminated basically and emission of various pollutants is reduced greatly.
Description
Technical field
The present invention relates to a kind of coal dust and grind conveying equipment.
Background technology
In the equipment that is boiler, furnace fuel processing, traditional fan coal pulverizer structure is: in the scroll casing shape armor of mill separator bottom, one group of impeller and shock plate only are housed; After raw coal counts blower mill, collide between impeller that motor drives is rotated at a high speed and the shock plate, coal is levigate; The blast that relies on impeller self to produce gets in the stove through the breeze airflow outlet, and impeller should play the effect of coal-grinding, plays the effect that produces blast again; So serious wear, service life is short, again owing to have only the one-level impeller that coal is carried out grinding and processing; So coal-grinding efficient is low, quality of pc also is difficult to control.
Chinese patent ZL 200710109885.9 discloses a kind of centrifugal type composite coal-grinding and powder-spraying machine; It is provided with three groups of different fling rammers of diameter and comes coal cinder is ground; But it is for can not further handling through the coal dust that does not reach standard after three grades of fling rammers grindings yet in the process of lapping; So just possibly cause the coal dust after the grinding still to have the inadequate problem of burning, reduce the service efficiency of coal dust.
Summary of the invention
The invention provides a kind of energy-conservation coal dust that is used for boiler, kiln and grind conveying equipment, this equipment can reduce or avoid problem noted earlier.
For addressing the above problem; The present invention proposes a kind of energy-conservation coal dust that is used for boiler, kiln and grind conveying equipment; It comprises that rack-mounted casing, one run through said casing and be arranged at the driving shaft on the frame, and said driving shaft is provided with driving wheel, and said casing is provided with feed hopper; Be sequentially set with the first order on the said driving shaft in said casing and grind hammer, second level grinding hammer, tertiary grinding hammer and air delivery device; Be provided with dividing plate between said tertiary grinding hammer and the said air delivery device, be provided with coal dust between said dividing plate and said tertiary grinding are hammered into shape and return and grind groove, said casing further is provided with coal dust separation chamber; Separation chamber's passage through arc between said coal dust separation chamber and the said air delivery device is connected; The exit of said separation chamber passage is provided with the separation dividing plate, and the said coal dust separation chamber and the said first order are ground between the hammer and be provided with rough coal powder return duct, and the said rough coal powder return duct and the said first order are ground and be provided with rough coal powder inlet between the hammer; Said coal dust separation chamber comprises a discharge, and said discharge is connected with a coal dust control device.
Preferably, the said rough coal powder return duct adjusting screw(rod) that is provided with adjustable plate and is connected near said coal dust separation chamber one side with said adjustable plate.
Preferably, the said first order is ground to hammer into shape and is comprised the rectangle tup that is fixedly connected on the hammer body of first on the said driving shaft and is fixedly connected on the said first hammer body outside; The said second level is ground hammer and is comprised the tup bracing frame that is fixedly connected on the hammer of second on said driving shaft body, is fixedly connected on the said second hammer body outside, and with the rotatable column that the is connected four prismatic tups of said tup bracing frame; Said tertiary grinding hammer comprise the tup base that is fixedly connected on the hammer of the 3rd on said driving shaft body, is fixedly connected on said the 3rd hammer body outside, with the rotatable tup support that is connected of said tup base, and with the rotatable column that the is connected four prismatic tups of said tup support.
Preferably, said feed hopper is provided with deironing apparatus.
Preferably, said feed hopper is provided with the coal supply control device.
Preferably, said casing is being provided with the air intake control device near said feed hopper one side.
The energy-conservation coal dust that is used for boiler, kiln provided by the present invention grinds conveying equipment, and coal cinder is ground through three groups of grindings hammers that rotate at a high speed, returns mill through once Hui Yan, a sorting again, makes raw coal in three grades of grindings, ground, press, hit, make quaternity.Raw coal can be ground to being satisfied with the flammable mixed coal powder of various operating mode instructions for uses, almost is applicable to all coals, comprises bituminous coal, anthracite, brown coal etc.The fine breeze of being produced can be by abundant clean combustion, and no black smoke discharging is eliminated boiler, the unburnt heat loss of kiln coal basically, and significantly reduced the discharging of all contaminations.So just improve the utilization ratio of raw coal greatly, practiced thrift raw coal cost.
Description of drawings
Following accompanying drawing only is intended to the present invention is done schematic illustration and explanation, not delimit the scope of the invention.Wherein,
Fig. 1 is for grinding the structural representation of conveying equipment according to the energy-conservation coal dust that is used for boiler, kiln of a specific embodiment of the present invention;
Fig. 2 grinds the part-structure sketch map of hammering into shape for the first order that the energy-conservation coal dust that is used for boiler, kiln shown in Figure 1 grinds conveying equipment;
Fig. 3 grinds the part-structure sketch map of hammering into shape for the second level that the energy-conservation coal dust that is used for boiler, kiln shown in Figure 1 grinds conveying equipment;
Fig. 4 grinds the part-structure sketch map of the tertiary grinding hammer of conveying equipment for the energy-conservation coal dust that is used for boiler, kiln shown in Figure 1.
The specific embodiment
To understand in order technical characterictic of the present invention, purpose and effect being had more clearly, to contrast the description of drawings specific embodiment of the present invention at present.Wherein, identical parts adopt identical label.
Specify structure and principle thereof that a kind of energy-conservation coal dust that is used for boiler, kiln according to the present invention grinds conveying equipment with reference to the accompanying drawings.
Fig. 1 is for grinding the structural representation of conveying equipment according to the energy-conservation coal dust that is used for boiler, kiln of a specific embodiment of the present invention.As shown in Figure 1; The energy-conservation coal dust that is used for boiler, kiln provided by the present invention grinds conveying equipment; It comprises that the casing that is installed on the frame 12, one run through said casing 2 and be arranged at the driving shaft 3 on the frame 1; Said driving shaft 3 is provided with driving wheel 4; Said casing 2 is provided with feed hopper 5, is sequentially set with the first order on the said driving shaft 3 in said casing 2 and grinds hammer 6, second level grinding hammer 7, tertiary grinding hammer 8 and air delivery device 9, is provided with dividing plate 10 between said tertiary grinding hammer 8 and the said air delivery device 9; Being provided with coal dust between said dividing plate 10 and the said tertiary grinding hammer 8 returns and grinds groove 11; Said casing 2 further is provided with coal dust separation chamber 12, and the separation chamber's passage 121 through arc between said coal dust separation chamber 12 and the said air delivery device 9 is connected, and the exit of said separation chamber passage 121 is provided with separates dividing plate 122; The said coal dust separation chamber 12 and the said first order are ground between the hammer 6 and are provided with rough coal powder return duct 13; Said rough coal powder return duct 13 and the said first order are ground and are provided with rough coal powder inlet 131 between the hammer 6, and said coal dust separation chamber 12 comprises a discharge 123, and said discharge 123 is connected with a coal dust control device 14.
Said driving wheel 4 drives said driving shaft 3 rotations, and then drives that the said first order is ground hammer 6, hammer 7, said tertiary grinding hammer 8 and said air delivery device 9 rotation are at a high speed ground in the said second level.The power that coal dust flows is driven by the negative pressure that the said air delivery device that rotates at a high speed 9 runnings are produced, and said air delivery device 9 can be a fan.
With raw coal pulverize for diameter less than the broken coal piece below 2 centimetres after, be conveyed into the said energy-conservation coal dust that is used for boiler, kiln through said feed hopper 5 and grind conveying equipment, grind hammer 6 via the said first order and carry out one-level and grind to form coal dust; Further grind hammer 7 then and carry out the secondary grinding by the said second level; Further grind to form thinner coal dust via said tertiary grinding hammer 8 again.The hollow via-hole diameter of said dividing plate 10 is 1.5-3 a times of said driving shaft 3, forms separator channels 101 between the hollow via-hole of said dividing plate and the said driving shaft 3.10 pairs of coal dusts of said dividing plate carry out elementary sorting; Pulverized coal particle after grinding via said tertiary grinding hammer 8 is under centrifugal action; The thicker pulverized coal particle that wherein possibly exist will be back to said coal dust by said dividing plate 10 retainings and return and grind groove 11; When by the thicker pulverized coal particle that keep off back more for a long time, it can return from said coal dust and grind groove 11 and be spilled over to said tertiary grinding hammer 8 and ground once more, then can be through the 101 entering conveying chambers 91 of the separator channels between said dividing plate 10 and the said driving shaft 3 via pulverized coal particle thinner in the pulverized coal particle after said tertiary grinding hammer 8 grindings; Carry to said coal dust separation chamber 12 through said air delivery device 9 again
Separation chamber's passage 121 of said coal dust separation chamber 12 is a curved channel; Like this from said gas transmission chamber 91 get into said separation chamber passage 121 pulverized coal particle under centrifugal action; Thicker pulverized coal particle wherein can be against the movement outside of said separation chamber passage 121, and thinner pulverized coal particle can be against the interior lateral movement of the movement outside of said separation chamber passage 121.
Be provided with separation dividing plate 122 in the exit of said separation chamber passage 121; Said separation dividing plate 122 also is an arc; Said separation dividing plate 122 can make the pulverized coal particle that moves to said separation dividing plate 122 from said separation chamber passage 121 led to the position of said discharge 123; In addition; The position of said separation dividing plate 122 can be moved to said coal dust separation chamber 12 centers; Leave the space between said separation dividing plate 122 and said coal dust separation chamber 12 outer walls; Said space is 1-10 centimetre, can be directed to said rough coal powder return duct 13 through the space between said separation dividing plate 122 and said coal dust separation chamber 12 outer walls against the pulverized coal particle of the movement outside of said separation chamber passage 121, the flow that therefore just can control the flow of the coal dust that is directed to said discharge 123 and need be back to the pulverized coal particle of said rough coal powder return duct 13 through the position of controlling said separation dividing plate 122.
122 pairs of coal dusts from the said coal dust of said separation chamber passage 121 entering separation chamber 12 of said separation dividing plate carry out the secondary sorting; Under action of centrifugal force; Thicker pulverized coal particle gets into rough coal powder return duct 13 from the space between said separation dividing plate 122 and said coal dust separation chamber 12 outer walls under the air pressure effect, be back to the said first order by rough coal powder inlet 131 again and grind hammer 6 and grind once more.Deliver to coal dust control device 14 through 123 of discharges by pipeline via the fine breeze particle after the said separation dividing plate 122 secondary sortings; Said coal dust control device 14 can comprise that is used for controlling an air output control device from the mixed gas of being made up of fine breeze and air to the combustion chamber of boiler, kiln and a coal gas melting concn tester that is used to test said mixed gas fine breeze concentration of carrying; Said like this coal dust control device 14 just can be further be monitored, flow and pressure control are carried out in the output of said mixed gas the fine breeze concentration in the said mixed gas according to boiler, the needed combustion requirements of kiln, burns in the combustion chamber that the mixed gas that will meet combustion requirements is delivered to boiler, kiln.
In a preferred embodiment, said rough coal powder return duct 13 adjusting screw(rod) 133 that is provided with adjustable plate 132 and is connected near said coal dust separation chamber 12 1 sides with said adjustable plate 132.Can control the rough coal powder flow of said rough coal powder return duct 13 like this through the switching degree that said adjusting screw(rod) 133 is regulated said adjustable plate 132.
Fig. 2 grinds the part-structure sketch map of hammering into shape for the first order that the energy-conservation coal dust that is used for boiler, kiln shown in Figure 1 grinds conveying equipment; Fig. 3 grinds the part-structure sketch map of hammering into shape for the second level that the energy-conservation coal dust that is used for boiler, kiln shown in Figure 1 grinds conveying equipment; Fig. 4 grinds the part-structure sketch map of the tertiary grinding hammer of conveying equipment for the energy-conservation coal dust that is used for boiler, kiln shown in Figure 1.Shown in Fig. 1-4, in a preferred embodiment, the said first order is ground hammer 6 and is comprised the rectangle tup 62 that is fixedly connected on the hammer body 61 of first on the said driving shaft 3 and is fixedly connected on the said first hammer body outside; The said second level is ground hammer 7 and is comprised the tup bracing frame 72 that is fixedly connected on the hammer of second on the said driving shaft 3 body 71, is fixedly connected on the said second hammer body 71 outsides, and with the said tup bracing frame 72 rotatable column that is connected four prismatic tups 73; Said tertiary grinding hammer 8 comprise the tup base 82 that is fixedly connected on the hammer of the 3rd on the said driving shaft 3 body 81, is fixedly connected on said the 3rd hammer body 81 outsides, with the said tup base 82 rotatable tup supports 83 that are connected, and with the said tup support 83 rotatable column that is connected four prismatic tups 73.
In casing, grind hammer 6, the said second level and grind the corresponding position of hammer 7 and said tertiary grinding hammer 8, be installed with and fight back liner plate 15, leave certain clearance between tups at different levels and the counterattack liner plate 15 with the said first order.Can when tups at different levels rotate at a high speed, make coal dust produce high-speed impact like this, improve grainding capacity at tup and 15 of counterattack liner plates.And said counterattack liner plate 15 can cooperate corresponding grinding hammer to adopt material, shape without intensity to be provided with flexibly; So just can control the grindability of grinding hammers at different levels easily, also can be convenient to that the said energy-conservation coal dust that is used for boiler, kiln is ground conveying equipment simultaneously and carry out maintaining for coal dust.
The said first hammer body 61, the said second hammer body 71 and said the 3rd hammer body 81 can be the ring flanges that is fixedly connected on the said driving shaft 3.The first hammer body 61, the said second hammer body 71 and said the 3rd hammer body 81 can be the disk-like structure of integral body; There is not hole on it; Coal dust can only so just can guarantee that coal dust receives sufficient grinding from passing through with the space between the corresponding counterattack liner plate 15 at the tup of grindings at different levels hammer like this.
Said rectangle tup 62 can be the fixing rectangle manganese steel plate of handling through high-temperature wearable; Can satisfy the requirement of strength of elementary pulverizing like this.
Said tup bracing frame 72 is fixedly connected on the said second hammer body 71 outsides; Said column four prismatic tups 73 and said 72 rotatable connections of tup bracing frame; The manganese steel that said column four prismatic tups 73 can be cylindricality four rib high-temperature wearables is smart; When the said second hammer body 71 rotates at a high speed under said driving shaft 3 drives; Said column four prismatic tups 73 make it can further strengthen the grainding capacity that hammer 7 is ground in the said second level like this round the installation shaft rotation with the pulverized coal particle collision in process of lapping.
Said tup base 82 is fixedly connected on said the 3rd hammer body 81 outsides; Rotatablely on said tup base 82 be connected with said tup support 83; Said tup support 83 can be around the installation shaft rotation; The rotatable column four prismatic tups 73 that are connected with on the said tup support 83; Said column four prismatic tups 73 can center on the installation shaft rotation, and when said the 3rd hammer body 81 rotated at a high speed under said driving shaft 3 drives, said column four prismatic tups 73 made it carry out rotation round installation shaft with the pulverized coal particle collision in process of lapping on the one hand; Said on the other hand tup support 83 can rotate it round its installation shaft vibration with said tup base 82 with pulverized coal particle collision in process of lapping, can further strengthen said tertiary grinding like this and hammer 8 grainding capacity into shape.
In a preferred embodiment, said feed hopper 5 is provided with deironing apparatus 51.Said deironing apparatus can adsorb and remove the metal sundries from the coal cinder that said feed hopper 5 is carried, and avoids that the said energy-conservation coal dust that is used for boiler, kiln is ground conveying equipment and causes damage.
In a preferred embodiment, said feed hopper 5 is provided with coal supply control device 52.Said coal supply control device 52 can be a valve, also can be the auger of a variable-frequency motor control, can get into the flow that the said energy-conservation coal dust that is used for boiler, kiln grinds the coal cinder of conveying equipment according to the requirement control of gas yield like this.
In a preferred embodiment, said casing 2 is being provided with air intake control device 16 near said feed hopper 5 one sides.Said air intake control device 16 can be the air door of limit switch control, so just can be convenient, flexible pass through to control the working flow rate that the said intake that is used for the energy-conservation coal dust grinding conveying equipment of boiler, kiln is controlled coal dust.
The energy-conservation coal dust that is used for boiler, kiln provided by the present invention grinds conveying equipment, and coal cinder is ground through three groups of grindings hammers that rotate at a high speed, returns mill through once Hui Yan, a sorting again, makes raw coal in three grades of grindings, ground, press, hit, make quaternity.Raw coal can be ground to being satisfied with the flammable mixed coal powder of various operating mode instructions for uses, almost is applicable to all coals, comprises bituminous coal, anthracite, brown coal etc.The fine breeze of being produced can be by abundant clean combustion, and no black smoke discharging is eliminated boiler, the unburnt heat loss of kiln coal basically, and significantly reduced the discharging of all contaminations.So just improve the utilization ratio of raw coal greatly, practiced thrift raw coal cost.
Describing according to the mode of a plurality of embodiment though it will be appreciated by those skilled in the art that the present invention, is not that each embodiment only comprises an independently technical scheme.Narration like this only is for the sake of clarity in the specification; Those skilled in the art should do specification as a wholely to understand, and regard technical scheme related among each embodiment as the mode that can be combined into different embodiment each other understand protection scope of the present invention.
The above is merely the schematic specific embodiment of the present invention, is not in order to limit scope of the present invention.Any those skilled in the art, revises and combines the equivalent variations of under the prerequisite that does not break away from design of the present invention and principle, being done, and all should belong to the scope that the present invention protects.
Claims (6)
1. an energy-conservation coal dust that is used for boiler, kiln grinds conveying equipment; It comprises that rack-mounted casing, one run through said casing and be arranged at the driving shaft on the frame; Said driving shaft is provided with driving wheel, and said casing is provided with feed hopper, is sequentially set with the first order on the said driving shaft in said casing and grinds hammer, second level grinding hammer, tertiary grinding hammer and air delivery device; It is characterized in that; Be provided with dividing plate between said tertiary grinding hammer and the said air delivery device, be provided with coal dust between said dividing plate and said tertiary grinding are hammered into shape and return and grind groove, said casing further is provided with coal dust separation chamber; Separation chamber's passage through arc between said coal dust separation chamber and the said air delivery device is connected; The exit of said separation chamber passage is provided with the separation dividing plate, and the said coal dust separation chamber and the said first order are ground between the hammer and be provided with rough coal powder return duct, and the said rough coal powder return duct and the said first order are ground and be provided with rough coal powder inlet between the hammer; Said coal dust separation chamber comprises a discharge, and said discharge is connected with a coal dust control device.
2. the energy-conservation coal dust that is used for boiler, kiln according to claim 1 grinds conveying equipment, it is characterized in that the adjusting screw(rod) that said rough coal powder return duct is provided with adjustable plate and is connected with said adjustable plate near said coal dust separation chamber one side.
3. the energy-conservation coal dust that is used for boiler, kiln according to claim 1 grinds conveying equipment; It is characterized in that the said first order is ground hammer and comprised the rectangle tup that is fixedly connected on the hammer body of first on the said driving shaft and is fixedly connected on the said first hammer body outside; The said second level is ground hammer and is comprised the tup bracing frame that is fixedly connected on the hammer of second on said driving shaft body, is fixedly connected on the said second hammer body outside, and with the rotatable column that the is connected four prismatic tups of said tup bracing frame; Said tertiary grinding hammer comprise the tup base that is fixedly connected on the hammer of the 3rd on said driving shaft body, is fixedly connected on said the 3rd hammer body outside, with the rotatable tup support that is connected of said tup base, and with the rotatable column that the is connected four prismatic tups of said tup support.
4. the energy-conservation coal dust that is used for boiler, kiln according to claim 1 grinds conveying equipment, it is characterized in that said feed hopper is provided with deironing apparatus.
5. the energy-conservation coal dust that is used for boiler, kiln according to claim 1 grinds conveying equipment, it is characterized in that said feed hopper is provided with the coal supply control device.
6. the energy-conservation coal dust that is used for boiler, kiln according to claim 1 grinds conveying equipment, it is characterized in that said casing is being provided with the air intake control device near said feed hopper one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110373274.1A CN102494348B (en) | 2011-11-22 | 2011-11-22 | Energy-saving pulverized coal grinding and delivering equipment for boilers and kilns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110373274.1A CN102494348B (en) | 2011-11-22 | 2011-11-22 | Energy-saving pulverized coal grinding and delivering equipment for boilers and kilns |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102494348A true CN102494348A (en) | 2012-06-13 |
| CN102494348B CN102494348B (en) | 2014-04-16 |
Family
ID=46186192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110373274.1A Expired - Fee Related CN102494348B (en) | 2011-11-22 | 2011-11-22 | Energy-saving pulverized coal grinding and delivering equipment for boilers and kilns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102494348B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966966A (en) * | 2012-11-12 | 2013-03-13 | 南阳市亚龙筑路机械制造有限公司 | Large dual-suction three-grinding high pressure impeller coal mill |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5941467A (en) * | 1997-09-10 | 1999-08-24 | Mcardle; Matthew J. | System and method for reducing material |
| JP2000046315A (en) * | 1998-07-27 | 2000-02-18 | Ishikawajima Harima Heavy Ind Co Ltd | Pulverized coal distributing device |
| US6360975B1 (en) * | 1999-06-24 | 2002-03-26 | Ernest Csendes | Method an apparatus for comminuting solid particles |
| CN2878934Y (en) * | 2006-03-16 | 2007-03-14 | 王教业 | Burner for pulverized coal |
| CN101008496A (en) * | 2006-01-26 | 2007-08-01 | 何相助 | Combined combustion machine |
| CN100534625C (en) * | 2007-06-01 | 2009-09-02 | 安徽省华鑫铅业集团有限公司 | Centrifugal type composite coal-grinding and powder-spraying machine |
-
2011
- 2011-11-22 CN CN201110373274.1A patent/CN102494348B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5941467A (en) * | 1997-09-10 | 1999-08-24 | Mcardle; Matthew J. | System and method for reducing material |
| JP2000046315A (en) * | 1998-07-27 | 2000-02-18 | Ishikawajima Harima Heavy Ind Co Ltd | Pulverized coal distributing device |
| US6360975B1 (en) * | 1999-06-24 | 2002-03-26 | Ernest Csendes | Method an apparatus for comminuting solid particles |
| CN101008496A (en) * | 2006-01-26 | 2007-08-01 | 何相助 | Combined combustion machine |
| CN2878934Y (en) * | 2006-03-16 | 2007-03-14 | 王教业 | Burner for pulverized coal |
| CN100534625C (en) * | 2007-06-01 | 2009-09-02 | 安徽省华鑫铅业集团有限公司 | Centrifugal type composite coal-grinding and powder-spraying machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966966A (en) * | 2012-11-12 | 2013-03-13 | 南阳市亚龙筑路机械制造有限公司 | Large dual-suction three-grinding high pressure impeller coal mill |
| CN102966966B (en) * | 2012-11-12 | 2014-11-12 | 南阳市亚龙筑路机械制造有限公司 | Large dual-suction three-grinding high pressure impeller coal mill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102494348B (en) | 2014-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202316015U (en) | Energy-saving pulverized coal grinding conveying device for boiler and furnace | |
| CN201728133U (en) | Multi-stage crusher | |
| EP2786809A1 (en) | Ultrafine powder sieving machine with bi-directional airflow | |
| CN204523170U (en) | A kind of broken abrasive dust Unitary coal powder machine | |
| CN103025433A (en) | Jet mill | |
| CN103537431A (en) | Mine used roll screen | |
| CN201317793Y (en) | Projectile cycling system | |
| US6360975B1 (en) | Method an apparatus for comminuting solid particles | |
| CN102494348B (en) | Energy-saving pulverized coal grinding and delivering equipment for boilers and kilns | |
| CN104399556A (en) | Chinese herbal medicine powdery raw material producing device | |
| CN104383980B (en) | Screening plant pulverized by a kind of Chinese medicine | |
| CN104258932B (en) | A kind of herbal powder produces equipment | |
| JP2013180239A (en) | Biomass mill | |
| CN104383982A (en) | Chinese herbal medicinal raw material powder preparation apparatus | |
| CN114453117A (en) | Pulp steam flow crushing dryer | |
| CN108913212B (en) | Coal chemical gasification furnace | |
| CN105084705A (en) | Sludge treating apparatus | |
| CN104437754B (en) | A kind of medicine material crushes and screens equipment integrating | |
| CN210700506U (en) | Airflow collision type crusher | |
| CN101008496A (en) | Combined combustion machine | |
| WO2016041336A1 (en) | Multi-stage cyclonic vortex grinding machine | |
| CN202884959U (en) | Big double-suction three-grinding high pressure impeller coal mill | |
| CN2883943Y (en) | Combined burning machine | |
| CN2925609Y (en) | Efficient centrifugal flour mill | |
| CN217120502U (en) | Pulp steam flow crushing and drying machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YANGZHOU YINGBAI ENERGY SAVING TECHNOLOGIES INC. Free format text: FORMER OWNER: MIN GONGFA Effective date: 20140331 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140331 Address after: 225127 No. 1 shepherd Road, Hanjiang Economic Development Zone, Jiangsu, Yangzhou Patentee after: Yangzhou white energy saving Hi Tech Co Ltd Address before: 225127 No. 1 shepherd Road, Hanjiang Economic Development Zone, Jiangsu, Yangzhou Patentee before: Min Gongfa |
|
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU QIANDU ENERGY-SAVING HIGH-TECH CO., LTD. Free format text: FORMER NAME: YANGZHOU YINGBAI ENERGY SAVING TECHNOLOGIES INC. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 225127 No. 1 shepherd Road, Hanjiang Economic Development Zone, Jiangsu, Yangzhou Patentee after: Jiangsu energy saving Hi Tech Co., Ltd. Address before: 225127 No. 1 shepherd Road, Hanjiang Economic Development Zone, Jiangsu, Yangzhou Patentee before: Yangzhou white energy saving Hi Tech Co Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20171122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |