CN108458358A - A kind of coal base distribution boiler transmission ＆ distribution pulverized coal system - Google Patents
A kind of coal base distribution boiler transmission ＆ distribution pulverized coal system Download PDFInfo
- Publication number
- CN108458358A CN108458358A CN201810399844.6A CN201810399844A CN108458358A CN 108458358 A CN108458358 A CN 108458358A CN 201810399844 A CN201810399844 A CN 201810399844A CN 108458358 A CN108458358 A CN 108458358A
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- China
- Prior art keywords
- coal
- distribution
- gas
- boiler
- triple valve
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
- F23K3/02—Pneumatic feeding arrangements, i.e. by air blast
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B80/00—Combustion apparatus characterised by means creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel
- F23B80/02—Combustion apparatus characterised by means creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel by means for returning flue gases to the combustion chamber or to the combustion zone
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2201/00—Pretreatment of solid fuel
- F23K2201/30—Separating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2203/00—Feeding arrangements
- F23K2203/10—Supply line fittings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2203/00—Feeding arrangements
- F23K2203/20—Feeding/conveying devices
- F23K2203/201—Feeding/conveying devices using pneumatic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cyclones (AREA)
Abstract
The present invention relates to power fields, and in particular to a kind of coal base distribution boiler transmission ＆ distribution pulverized coal system, including coal dust generating means, gas-solid separating device, boiler, to powder device, coal base distribution arcola, pipeline；The coal dust generating means are connected to boiler all the way, the another way of coal dust generating means is connected to the entrance of gas-solid separating device, the gas vent of gas-solid separating device is connected to boiler, the solid outlet of gas-solid separating device is connected to the entrance to powder device, is connected to coal base distribution arcola to the outlet of powder device；Above-mentioned connection is realized by pipeline.The advantage of the invention is that：It is coal base distribution arcola pulverized coal conveying by gas-solid separating device etc. using original pulverized coal preparation system powder, makes that coal dust supply chain is simple, cost is relatively low.
Description
Technical field
The present invention relates to power fields, and in particular to a kind of coal base distribution boiler transmission ＆ distribution pulverized coal system.
Background technology
China's medium small boiler about 470,000, it is annual to consume about 500,000,000 tons of coal.These boilers burn the form of coal, distribution using dissipating
Scattered, enormous amount, energy consumption is high, pollutant discharge amount is big, becomes one of main source of atmosphere pollution.Develop distributed energy
It can effectively administer and dissipate the problem of burning a series of energy and environment that ribbing is come.Currently, development distributed energy is with natural gas
Based on, but the energy resource structure in China is few gas rich in coal and poor in oil, the region of many development " coal changes gas " is all because natural gas is held in recent years
Continuous supply is insufficient and operation is caused to be stagnated.With the continuous maturation of Coal Clean combustion technology, the coal base distribution based on coal
Formula energy form has obtained being widely recognized as in the industry.But the acquisition of coal base distribution arcola coal dust is mainly in the prior art
Commodity coal dust or closed tank truck transport are bought, is explosion-proof, commonly uses nitrogen-filled seal transport, flow is complicated, of high cost.
Invention content
The technical problem to be solved by the present invention is to：The coal dust supply chain of coal base distribution arcola is multiple in the prior art
Problem miscellaneous, of high cost.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of coal base distribution boiler transmission ＆ distribution coal
Powder system, including coal dust generating means, gas-solid separating device, boiler, to powder device, coal base distribution arcola, pipeline.
The coal dust generating means are connected to boiler all the way, the another ways of coal dust generating means and gas-solid separating device
Entrance is connected to, and the gas vent of gas-solid separating device be connected to boiler, the solid outlet of gas-solid separating device and gives powder device
Entrance is connected to, and is connected to coal base distribution arcola to the outlet of powder device.
Above-mentioned connection is realized by pipeline.
Optimization, further include the first triple valve, the second triple valve, and the first end of first triple valve is generated with coal dust to be filled
Connection is set, the second end of the first triple valve is connected to the entrance of gas-solid separating device, the third end and the two or three of the first triple valve
The first end of port valve is connected to, and the second end of the second triple valve is connected to the gas vent of gas-solid separating device, the second triple valve
Third end is connected to boiler.
Optimization, further include flapper, flapper is arranged in gas-solid separating device and on the pipeline between powder device.
Optimization, further include coal dust temporary storage tank, coal dust temporary storage tank is arranged in flapper and to the pipe between powder device
On road.
Optimization, further include fume dust remover, fume extracting device, and the entrance of fume dust remover and the smoke outlet of boiler connect
Logical, the outlet of fume dust remover is connected to the entrance of fume extracting device, and the outlet of fume extracting device is connected to the entrance to powder device.
Optimization, the fume dust remover is electric precipitator.
Optimization, the fume extracting device is wind turbine.
Optimization, the coal dust generating means are coal pulverizer.
Optimization, the gas-solid separating device is cyclone separator.
Optimization, it is described to give powder device for pulverizer coal feeder.
The beneficial effects of the present invention are：
1. it is coal base distribution arcola pulverized coal conveying by gas-solid separating device etc. using original pulverized coal preparation system powder,
Make that coal dust supply chain is simple, cost is relatively low；
2. former pulverized coal preparation system increases the separation coal dust such as threeway, gas-solid separating device, coal dust generating means can be made full use of to go out
Power allowance, and former unit operation is not influenced；
3. the setting of flapper can prevent coal dust from entering another pressure limit by a certain pressure limit, air occurs and alters
Flow phenomenon and maintain coal dust smoothly to circulate；
4. extracting the flue gas after electric precipitation as Geldart-D particle medium, flue gas oxygen content is relatively low, can effective explosion-proof, electric precipitation
Smoke dust content afterwards is low, can mitigate the abrasion of wind turbine.
Description of the drawings
Fig. 1 is a kind of schematic diagram of coal base distribution boiler transmission ＆ distribution pulverized coal system in the embodiment of the present invention；
Wherein, coal dust generating means -01, the first triple valve -02, the second triple valve -03, gas-solid separating device -04, lock gas
Device -05, boiler -07, fume dust remover -08, fume extracting device -09, gives powder device -10, coal base point at coal dust temporary storage tank -06
Cloth arcola -11.
Specific implementation mode
The present invention is described in detail below in conjunction with attached drawing.
In the description of the present invention, it should be noted that term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indicating or implying relative importance.
As shown in Figure 1, a kind of coal base distribution boiler transmission ＆ distribution pulverized coal system, including coal dust generating means 01, gas solid separation
Device 04, gives powder device 10, coal base distribution arcola 11, pipeline at boiler 07.
The coal dust generating means 01 are connected to boiler 07 all the way, the another way and gas solid separation of coal dust generating means 01
The entrance of device 04 is connected to, and the gas vent of gas-solid separating device 04 is connected to boiler 07, and the solid of gas-solid separating device 04 goes out
Mouth is connected to the entrance to powder device 10, is connected to coal base distribution arcola 11 to the outlet of powder device 10, above-mentioned connection is equal
It is realized by pipeline.
The coal base distribution boiler transmission ＆ distribution pulverized coal system further includes the first triple valve 02, the second triple valve 03, and described
The first end of one triple valve 02 is connected to coal dust generating means 01, second end and the gas-solid separating device 04 of the first triple valve 02
Entrance is connected to, and the third end of the first triple valve 02 is connected to the first end of the second triple valve 03, the second end of the second triple valve 03
It is connected to the gas vent of gas-solid separating device 04, the third end of the second triple valve 03 is connected to boiler 07, by adjusting first
Triple valve 02, the second triple valve 03, thus it is possible to vary the flow direction from 01 First air of coal dust generating means and coal dust.
The coal base distribution boiler transmission ＆ distribution pulverized coal system further includes flapper 05, and the setting of flapper 05 is filled in gas solid separation
Set to 04 and on the pipeline between powder device 10, it is another that the setting of flapper 05 can prevent coal dust from being entered by a certain pressure limit
When pressure limit, air channelling phenomenon occurs and coal dust is maintained smoothly to circulate.
The coal base distribution boiler transmission ＆ distribution pulverized coal system further includes coal dust temporary storage tank 06, and coal dust temporary storage tank 06 is arranged
In flapper 05 and on the pipeline between powder device 10.
The coal base distribution boiler transmission ＆ distribution pulverized coal system further includes fume dust remover 08, fume extracting device 09, and flue gas removes
The entrance of dirt device 08 is connected to the smoke outlet of boiler 07, and the outlet of fume dust remover 08 connects with the entrance of fume extracting device 09
Logical, the outlet of fume extracting device 09 is connected to the entrance to powder device 10.
Fume dust remover 08 described in the present embodiment is electric precipitator, and the fume extracting device 09 is wind turbine, the coal dust
Generating means 01 are coal pulverizer, are medium-speed pulverizer in the present embodiment, the gas-solid separating device 04 is cyclone separator, described
It is pulverizer coal feeder to powder device 10.
Operation principle：
One, when coal dust generating means 01 are medium-speed pulverizer work, First air carries coal dust and flows to the first triple valve 02, adjusts
02 and second triple valve 03 of whole first triple valve makes First air carry coal dust and flows successively through the first triple valve 02 and the second triple valve
03, boiler 07 is finally reached, fuel is provided for boiler 07；
Two, when coal dust generating means 01 are medium-speed pulverizer work, First air carries coal dust and flows to the first triple valve 02, adjusts
02 and second triple valve 03 of whole first triple valve makes First air carry coal dust and flows successively through the first triple valve 02 and gas solid separation dress
4 are set to 0, subsequent First air flows out from gas-solid separating device 04 and flows into boiler 07 by the second triple valve 03；It is filled from gas solid separation
It sets to 0 the coal dust that 4 isolate and passes through flapper 05, coal dust temporary storage tank 06 successively, then reach to powder device 10；In addition, flue gas
The flue gas that boiler 07 is discharged is dusted by dust-extraction unit 08, and fume extracting device 09 extracts the cigarette of dedusting out from fume dust remover 08
Gas, and be transported to powder device 10, coal dust is delivered to coal base distribution arcola 11, and then complete coal base distribution arcola
11 coal dust supplies work.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of coal base distribution boiler transmission ＆ distribution pulverized coal system, it is characterised in that：Including coal dust generating means (01), gas solid separation
Device (04), gives powder device (10), coal base distribution arcola (11), pipeline at boiler (07)；
The coal dust generating means (01) are connected to boiler (07) all the way, another way and the gas-solid point of coal dust generating means (01)
Entrance connection from device (04), the gas vent of gas-solid separating device (04) are connected to boiler (07), gas-solid separating device
(04) solid outlet is connected to the entrance to powder device (10), to outlet and the coal base distribution arcola of powder device (10)
(11) it is connected to；
Above-mentioned connection is realized by pipeline.
2. a kind of coal base distribution boiler transmission ＆ distribution pulverized coal system according to claim 1, it is characterised in that：Further include first
The first end of triple valve (02), the second triple valve (03), first triple valve (02) is connected to coal dust generating means (01), the
The second end of one triple valve (02) is connected to the entrance of gas-solid separating device (04), the third end and second of the first triple valve (02)
The first end of triple valve (03) is connected to, and the second end of the second triple valve (03) connects with the gas vent of gas-solid separating device (04)
Logical, the third end of the second triple valve (03) is connected to boiler (07).
3. a kind of coal base distribution boiler transmission ＆ distribution pulverized coal system according to claim 1, it is characterised in that：Further include lock gas
Device (05), flapper (05) setting is on the pipeline between gas-solid separating device (04) and to powder device (10).
4. a kind of coal base distribution boiler transmission ＆ distribution pulverized coal system according to claim 3, it is characterised in that：It further include coal dust
Temporary storage tank (06), coal dust temporary storage tank (06) setting is on the pipeline between flapper (05) and to powder device (10).
5. a kind of coal base distribution boiler transmission ＆ distribution pulverized coal system according to claim 1, it is characterised in that：It further include flue gas
The entrance of dust-extraction unit (08), fume extracting device (09), fume dust remover (08) is connected to the smoke outlet of boiler (07), and flue gas removes
The outlet of dirt device (08) is connected to the entrance of fume extracting device (09), the outlet of fume extracting device (09) and entering to powder device (10)
Mouth connection.
6. a kind of coal base distribution boiler transmission ＆ distribution pulverized coal system according to claim 5, it is characterised in that：The flue gas removes
Dirt device (08) is electric precipitator.
7. a kind of coal base distribution boiler transmission ＆ distribution pulverized coal system according to claim 5, it is characterised in that：The smoking dress
It is wind turbine to set (09).
8. a kind of coal base distribution boiler transmission ＆ distribution pulverized coal system according to claim 1, it is characterised in that：The coal dust life
It is coal pulverizer at device (01).
9. a kind of coal base distribution boiler transmission ＆ distribution pulverized coal system according to claim 1, it is characterised in that：The gas-solid point
It is cyclone separator from device (04).
10. a kind of coal base distribution boiler transmission ＆ distribution pulverized coal system according to claim 1, it is characterised in that：It is described to give powder
Device (10) is pulverizer coal feeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810399844.6A CN108458358A (en) | 2018-04-28 | 2018-04-28 | A kind of coal base distribution boiler transmission ＆ distribution pulverized coal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810399844.6A CN108458358A (en) | 2018-04-28 | 2018-04-28 | A kind of coal base distribution boiler transmission ＆ distribution pulverized coal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108458358A true CN108458358A (en) | 2018-08-28 |
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ID=63235986
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810399844.6A Pending CN108458358A (en) | 2018-04-28 | 2018-04-28 | A kind of coal base distribution boiler transmission ＆ distribution pulverized coal system |
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Citations (10)
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|---|---|---|---|---|
| JPH0623296A (en) * | 1992-07-10 | 1994-02-01 | Ishikawajima Harima Heavy Ind Co Ltd | Method and apparatus for production of pulverized coal |
| CN202132964U (en) * | 2011-05-27 | 2012-02-01 | 中国电力工程顾问集团东北电力设计院 | Fan mill front counter flow type furnace-smoke drying dewatering direct blowing pulverizer system |
| JP2012072974A (en) * | 2010-09-29 | 2012-04-12 | Ube Machinery Corporation Ltd | Fuel supply method of cement kiln |
| CN203771439U (en) * | 2014-04-04 | 2014-08-13 | 西安西热锅炉环保工程有限公司 | High-moisture lignite medium speed mill coal pulverizing system using pulverized coal combustion heating primary air |
| CN104089296A (en) * | 2014-07-08 | 2014-10-08 | 赵怀竹 | Temperature-controllable rotating pulverized coal combustion system integrating powder making, storage and supply |
| CN104613494A (en) * | 2014-08-06 | 2015-05-13 | 上海明华电力技术工程有限公司 | Powder storage device for fast load variation of supercritical or ultra-supercritical coal-fired boiler |
| CN204513436U (en) * | 2015-03-10 | 2015-07-29 | 石福军 | A kind of boiler milling system flue gas inerting and purging system |
| CN205717287U (en) * | 2016-05-18 | 2016-11-23 | 中国大唐集团科学技术研究院有限公司 | Hot blast and exhaust gas double-medium powder delivery efficient boiler combustion apparatus |
| CN205783016U (en) * | 2016-05-24 | 2016-12-07 | 北京中标新亚节能工程股份有限公司 | Clean flue gas is utilized to do the coal dust storage system of inert protective gas |
| CN208186405U (en) * | 2018-04-28 | 2018-12-04 | 中国大唐集团科学技术研究院有限公司华东分公司 | A kind of coal base distribution boiler transmission & distribution pulverized coal system |
-
2018
- 2018-04-28 CN CN201810399844.6A patent/CN108458358A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0623296A (en) * | 1992-07-10 | 1994-02-01 | Ishikawajima Harima Heavy Ind Co Ltd | Method and apparatus for production of pulverized coal |
| JP2012072974A (en) * | 2010-09-29 | 2012-04-12 | Ube Machinery Corporation Ltd | Fuel supply method of cement kiln |
| CN202132964U (en) * | 2011-05-27 | 2012-02-01 | 中国电力工程顾问集团东北电力设计院 | Fan mill front counter flow type furnace-smoke drying dewatering direct blowing pulverizer system |
| CN203771439U (en) * | 2014-04-04 | 2014-08-13 | 西安西热锅炉环保工程有限公司 | High-moisture lignite medium speed mill coal pulverizing system using pulverized coal combustion heating primary air |
| CN104089296A (en) * | 2014-07-08 | 2014-10-08 | 赵怀竹 | Temperature-controllable rotating pulverized coal combustion system integrating powder making, storage and supply |
| CN104613494A (en) * | 2014-08-06 | 2015-05-13 | 上海明华电力技术工程有限公司 | Powder storage device for fast load variation of supercritical or ultra-supercritical coal-fired boiler |
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| CN205717287U (en) * | 2016-05-18 | 2016-11-23 | 中国大唐集团科学技术研究院有限公司 | Hot blast and exhaust gas double-medium powder delivery efficient boiler combustion apparatus |
| CN205783016U (en) * | 2016-05-24 | 2016-12-07 | 北京中标新亚节能工程股份有限公司 | Clean flue gas is utilized to do the coal dust storage system of inert protective gas |
| CN208186405U (en) * | 2018-04-28 | 2018-12-04 | 中国大唐集团科学技术研究院有限公司华东分公司 | A kind of coal base distribution boiler transmission & distribution pulverized coal system |
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| Title |
|---|
| 金维强: "《发电厂热力设备》", 中国电力出版社, pages: 73 * |
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