CN111744304A - Comprehensive treatment system for dust in ash storehouse of thermal power plant - Google Patents
Comprehensive treatment system for dust in ash storehouse of thermal power plant Download PDFInfo
- Publication number
- CN111744304A CN111744304A CN202010746647.4A CN202010746647A CN111744304A CN 111744304 A CN111744304 A CN 111744304A CN 202010746647 A CN202010746647 A CN 202010746647A CN 111744304 A CN111744304 A CN 111744304A
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- China
- Prior art keywords
- dust
- power plant
- ash storehouse
- thermal power
- ash
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- 239000000428 dust Substances 0.000 title claims abstract description 172
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000007921 spray Substances 0.000 claims abstract description 21
- 230000000903 blocking effect Effects 0.000 claims abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 239000003595 mist Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000002956 ash Substances 0.000 description 44
- 238000009792 diffusion process Methods 0.000 description 5
- 239000002893 slag Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a comprehensive treatment system for dust in an ash storehouse of a thermal power plant, and belongs to the technical field of dust treatment. The comprehensive dust treatment system for the ash storehouse of the thermal power plant comprises a plurality of dust treatment devices, each dust treatment device comprises a dust hood, a first dust blocking curtain, a plurality of spray heads, an intelligent constant-pressure water supply device, a dust suction pipe and a dust remover, the dust hoods are fixedly arranged at the bottom of the ash storehouse, and a discharge pipe penetrates through the dust hoods; first dust blocking curtain fixed connection is around the bottom of suction hood, and dust absorption pipe fixed connection is at the top of suction hood to be connected with the dust remover. The comprehensive treatment system for the dust in the ash storehouse of the thermal power plant combines negative pressure dust collection and water supply, converts positive pressure air flow into micro negative pressure air flow through the dust remover, and controls the dust not to diffuse outwards; the suspended floating dust and the water mist are enveloped and gravity-pressed by the intelligent constant-pressure water supply device, and the loaded dust is controlled to automatically settle in the automobile carriage, so that the environment quality of the operation site is improved.
Description
Technical Field
The invention relates to the technical field of dust treatment, in particular to a comprehensive treatment system for dust in an ash storehouse of a thermal power plant.
Background
The ash storehouse system comprises ash storehouse body, storehouse top equipment, exhaust, material level indicator, ash storehouse gasification system, discharge system etc. can adopt concrete structure or steel construction according to the user's requirement, and the volume specification is designed according to the user's demand for store thermal power factory exhaust dry fly ash. The bottom of the ash storehouse is provided with 2 ash discharge ports, one side of the ash storehouse is a dry ash discharge port, and a dry ash bulk machine is arranged below the ash storehouse and is loaded on a truck for external comprehensive utilization; the other side is a wet ash discharge port, an XSO type double-shaft stirrer is arranged, and dry ash is loaded with proper amount of water and then is loaded by a self-discharging automobile to be conveyed to an ash yard, so that secondary flying of the dust is avoided.
In the practical use process of the ash storehouse, when the zero-meter discharging layer discharges ash and slag, the mixed hot air of water vapor and humidifying ash rises, so that dust floating on the loading site at the lower part of the ash storehouse (slag bin) diffuses and drifts around in unorganized discharge, and serious pollution is caused to influence the production operation site. After dust scattered on the bottom surface of the ash storehouse (slag bin) is superposed with the thrown ash, the difficulty of cleaning accumulated dust and cleaning ash is increased, and the ground dust and slag are disturbed and fly through the rolling of automobile tires and the exhaust emission, so that the dust pollution on the bottom surface of the lower part of the whole ash storehouse (slag bin) is caused, and the environment quality of an operation site is influenced.
Disclosure of Invention
The invention aims to provide a comprehensive treatment system for dust in an ash storehouse of a thermal power plant, which aims to solve the problem that when the ash storehouse is actually used, dust floating on a loading site at the lower part of the ash storehouse diffuses and drifts around in unorganized emission; the dust scattered from the bottom of the ash storehouse is superposed with the thrown ash, the difficulty of cleaning the accumulated dust and the ash is increased, and the operation site and the environment quality are affected.
In order to solve the technical problems, the invention provides a comprehensive treatment system for ash in an ash storehouse of a thermal power plant, wherein the thermal power plant comprises a plurality of ash storehouses, the bottom of each ash storehouse is communicated with a plurality of discharge pipes, the comprehensive treatment system for ash in the ash storehouse of the thermal power plant comprises a plurality of dust treatment devices, and each dust treatment device comprises:
the dust hood is fixedly arranged at the bottom of the dust storehouse, the shape and the size of the dust hood are matched with those of an automobile compartment, and the discharge pipe penetrates through the dust hood;
the first dust blocking curtain is fixedly connected to the periphery of the bottom end of the dust hood;
the plurality of spray heads are fixedly arranged at the bottom of the discharge pipe;
the intelligent constant-pressure water supply device supplies water to the spray head;
the dust collection pipe is fixedly connected to the top of the dust collection cover;
the dust remover is connected with the dust collection pipe;
the dust suction pipes in each dust control device are communicated with each other and are finally connected with the dust remover.
Optionally, a second dust curtain is fixedly connected to the outer side of the bottom end of the discharge pipe along the periphery, and the second dust curtain surrounds the spray head inside.
Optionally, a plurality of the spray heads are circumferentially distributed on the outer side of the bottom end of the discharge pipe.
Optionally, the dust hood is arranged on both sides of the bottom of the ash bin, and the top of the dust hood is communicated with the 2 discharge pipes and the 2 dust suction pipes.
Optionally, the top end inside the dust hood is fixedly connected with a corner iron frame, the discharge pipe penetrates through the corner iron frame and extends into the dust hood, and the plurality of spray heads are fixedly connected to the corner iron frame along the circumferential direction.
Optionally, the dust remover is further connected with a dust collection gun for cleaning dust deposited on the ground outside the dust collection cover.
Optionally, the height from the bottom end of the first dust blocking curtain to the ground is less than the height of the top of the automobile compartment.
Optionally, the intelligent constant-pressure water supply device includes:
a water tank;
the two ends of the centrifugal pump are respectively connected with the water tank and an external water source through water inlet pipes;
two ends of the high-pressure vortex pump are respectively connected with the water tank and the spray head through water outlet pipes;
the vacuum pump is connected in parallel with the high-pressure vortex pump and is sequentially connected with an air storage tank and an air compressor through vacuum tubes;
one ends of the water inlet pipe and the water outlet pipe, which are close to the water tank, are respectively connected with a water inlet valve and a water outlet valve.
Optionally, a vacuum pipe valve is arranged at one end of the vacuum pipe close to the water tank, and an air supply valve is arranged at one end of the vacuum pipe close to the air storage tank.
The comprehensive dust treatment system for the ash storehouse of the thermal power plant, provided by the invention, combines negative pressure dust collection with water supply, forms a relatively closed area by arranging the dust hood and arranging the first dust blocking curtains around the bottom of the dust hood, and in the closed area, converts positive pressure airflow into micro negative pressure airflow through the dust remover, so that dust is controlled not to diffuse outwards, and is collected in a centralized manner, and finally organized emission is realized; through being in the discharge tube bottom outside sets up all around the second keeps off the dirt curtain, forms relative airtight region, can avoid the dust to follow the discharge tube is to the interval raise dust and the diffusion of taking place of vapour car carriage, intelligent constant voltage water supply installation realizes envelope effect and gravity suppression with this internal suspension fly ash and water smoke, and the control is born a burden the dust and is subsided automatically in vapour car carriage, avoids when the dust falls into vapour car carriage in the discharge tube, takes place raise dust and diffusion, has improved operation site environment quality.
Drawings
FIG. 1 is a process layout diagram of a comprehensive treatment system for ash in an ash storehouse of a thermal power plant provided by the invention in the ash storehouse of the thermal power plant;
FIG. 2 is a schematic structural diagram of a comprehensive treatment system for ash in a dust warehouse of a thermal power plant provided by the invention;
FIG. 3 is a schematic view of the structure of the dust control device
FIG. 4 is an enlarged view of a portion of FIG. 3;
fig. 5 is a schematic structural diagram of the intelligent constant-pressure water supply device.
Detailed Description
The comprehensive treatment system for ash storehouse and dust of a thermal power plant provided by the invention is further described in detail by combining the attached drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Example one
The invention provides a comprehensive treatment system for ash storehouse dust of a thermal power plant, which has a structure shown in figure 1. The comprehensive dust treatment system comprises a plurality of dust treatment devices, each dust treatment device comprises a dust hood 3, a first dust blocking curtain 5, a plurality of spray heads 6, an intelligent constant-pressure water supply device 10, a dust suction pipe 7 and a dust remover 11, the dust hood 3 is fixedly arranged at the bottom of the dust warehouse 1, the shape and the size of the dust hood are matched with those of an automobile compartment, and the discharge pipe 4 penetrates through the dust hood 3; the first dust blocking curtain 5 is fixedly connected to the periphery of the bottom end of the dust hood 3, so that a relatively closed area is formed between the dust hood 3 and an automobile compartment; the plurality of spray nozzles 6 are fixedly arranged at the bottom of the discharge pipe 4, and preferably, the plurality of spray nozzles 6 are circumferentially distributed on the outer side of the bottom end of the discharge pipe 4, so that dust can be uniformly humidified. The intelligent constant-pressure water supply device 10 is used for supplying water to the spray head 6; the dust collection pipe 7 is fixedly connected to the top of the dust collection cover 3, the dust remover 11 is connected with the dust collection pipe 7, the dust remover 11 converts positive pressure air flow into micro negative pressure air flow, dust is controlled not to diffuse outwards, and dust centralized collection processing is carried out; the dust suction pipes 7 in each of the dust control devices communicate with each other and are finally connected to the dust collector 11.
And a second dust-proof curtain 8 is fixedly connected to the outer side of the bottom end of the discharge pipe 4 along the periphery, and the second dust-proof curtain 8 surrounds the spray head 6 inside. Because the dust is followed during falling into automobile compartment in the discharge tube 4, can produce air shock wave geomantic omen and induced geomantic omen, through set up around the discharge tube 4 bottom outside the second dust-retaining curtain 8 forms relative airtight region, can avoid the dust to follow discharge tube 4 takes place raise dust and diffusion to automobile compartment interval, envelope effect and gravity suppression are realized with water smoke to the interior suspension of relative airtight region to intelligence constant voltage water supply installation 10, and control heavy burden dust automatic settlement is in transport vehicle's relative airtight region within range.
The dust hood 3 is arranged on two sides of the bottom of the ash storehouse 1, and the top of the dust hood 3 is communicated with 2 discharge pipes 4 and 2 dust collection pipes 7.
The top end inside the dust hood 3 is fixedly connected with a corner iron frame 9, the discharge pipe 4 penetrates through the corner iron frame 9 and extends into the dust hood 3, and the plurality of spray heads 6 are fixedly connected to the corner iron frame 9 along the circumferential direction.
The dust collector 11 is further connected with a dust collection gun (not shown in the figure) and used for cleaning the dust collection cover 3 and the dust collection on the ground outside the automobile carriage, and avoiding the secondary dust raising caused by the superposition of the dust deposited on the bottom surface.
The height from the bottom end of the first dust blocking curtain 5 to the ground is smaller than the height of the top of the automobile carriage, so that the situation that dust overflows to the automobile carriage and pollutes the environment again in the unloading and loading process is avoided.
Referring to fig. 5, the intelligent constant pressure water supply device 10 includes a water tank 100, a centrifugal pump 12, a high pressure vortex pump 14 and a vacuum pump 16, wherein two ends of the centrifugal pump 12 are respectively connected with the water tank 100 and an external water source through a water inlet pipe 13; two ends of the high-pressure vortex pump 14 are respectively connected with the water tank 100 and the spray head 6 through a water outlet pipe 15; the vacuum pump 16 is connected in parallel with the high-pressure vortex pump 14 and is sequentially connected with an air storage tank 18 and an air compressor 19 through a vacuum pipe 17; one ends of the water inlet pipe 13 and the water outlet pipe 15 close to the water tank 100 are respectively connected with a water inlet valve 20 and a water outlet valve 21.
A vacuum valve 22 is arranged at one end of the vacuum pipe 17 close to the water tank 100, and an air feeding valve 23 is arranged at one end close to the air storage tank 18.
The comprehensive dust control system for the ash storeroom of the thermal power plant adopts the combination of negative pressure dust collection and water supply, forms a relatively closed area by arranging the dust hood 3 and arranging the first dust blocking curtains 5 around the bottom of the dust hood 3, converts positive pressure airflow into micro negative pressure airflow through the dust remover 11 in the closed area, controls the dust not to diffuse outwards, collects the dust in a centralized manner and finally achieves organized emission; through 4 bottom outsides of discharge tube set up all around the second keeps off dirt curtain 8 forms relative airtight region, can avoid the dust to follow the interval raise dust and diffusion take place of discharge tube 4 to carriage.
Meanwhile, when water curtain dust settling treatment is required, the water outlet valve 21 and the high-pressure vortex pump 14 are opened, the high-pressure vortex pump 14 sends water to the spray head 6, and water curtain dust settling full coverage is carried out on the area surrounded by the second dust blocking curtain 8. Meanwhile, the vacuum pump 16, the vacuum valve 22, and the air feed valve 23 are in a closed state. After the dust pollution treatment is finished, the water outlet valve 21 and the high-pressure vortex pump 14 are closed, the vacuum pump 16 and the vacuum pipe valve 22 are opened, the spray head 6 and the water outlet pipe 15 are pumped in vacuum, and after the accumulated water in the pipeline is pumped completely in vacuum, the vacuum pump 16 and the vacuum pipe valve 22 are closed. Open air feed valve 23, the gas holder 18 is right shower nozzle 6 with outlet pipe 15 quick inflation weathers the drainage with the ponding in the pipeline, destroys shower nozzle 6 with outlet pipe 15's the condition of freezing ensures intelligence constant voltage water supply installation 10 realizes the all-weather effective operation of dust treatment under the severe cold climate condition in winter.
The intelligent constant-pressure water supply device 10 realizes enveloping effect and gravity pressing on suspended floating dust and water mist in the region, controls the loaded dust to automatically settle in the automobile carriage, avoids flying dust and diffusion when the dust in the discharge pipe 4 falls into the automobile carriage, and improves the environment quality of an operation site.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (9)
1. The utility model provides a treatment system is synthesized to steam power plant ash storehouse dust, the steam power plant includes a plurality of ash storehouse (1), the bottom intercommunication of ash storehouse (1) has a plurality of discharge tube (4), a serial communication port, treatment system is synthesized to steam power plant ash storehouse dust includes that a plurality of dust administers the device, the device includes is administered to the dust:
the dust hood (3) is fixedly arranged at the bottom of the dust storehouse (1), the shape and the size of the dust hood are matched with those of an automobile compartment, and the discharge pipe (4) penetrates through the dust hood (3);
the first dust blocking curtain (5) is fixedly connected to the periphery of the bottom end of the dust hood (3);
the plurality of spray heads (6) are fixedly arranged at the bottom of the discharge pipe (4);
the intelligent constant-pressure water supply device (10) supplies water to the spray head (6);
the dust collection pipe (7) is fixedly connected to the top of the dust collection cover (3);
a dust collector (11) connected to the dust collection pipe (7);
the dust suction pipes (7) in each dust treatment device are communicated with each other and are finally connected with the dust remover (11).
2. The comprehensive dust control system for the ash storehouse of the thermal power plant as claimed in claim 1, wherein a second dust curtain (8) is fixedly connected to the outer side of the bottom end of the discharge pipe (4) along the periphery, and the second dust curtain (8) surrounds the spray head (6) inside.
3. The comprehensive control system for ash of thermal power plant ash storehouse according to claim 1, characterized in that a plurality of said nozzles (6) are circumferentially distributed outside the bottom end of said discharge pipe (4).
4. The comprehensive treatment system for dust in the ash storehouse of the thermal power plant as claimed in claim 1, wherein the dust hoods (3) are respectively arranged on two sides of the bottom of the ash storehouse (1), and the top of each dust hood (3) is communicated with 2 discharge pipes (4) and 2 dust pipes (7).
5. The comprehensive dust control system for the ash storehouse of the thermal power plant as claimed in claim 1, wherein a corner iron frame (9) is fixedly connected to the top end inside the dust hood (3), the discharge pipe (4) penetrates through the corner iron frame (9) and extends into the dust hood (3), and a plurality of the spray nozzles (6) are fixedly connected to the corner iron frame (9) along the circumferential direction.
6. The comprehensive treatment system for dust in the ash storehouse of the thermal power plant as claimed in claim 1, wherein the dust collector (11) is further connected with a dust collection gun for cleaning the accumulated dust on the ground outside the dust collection cover (3).
7. The comprehensive thermal power plant ash storehouse dust control system of claim 1, wherein the height of the bottom end of the first dust-blocking curtain (5) from the ground is less than the height of the top of the automobile compartment.
8. The comprehensive treatment system for ash and dust in a ash storehouse of a thermal power plant as claimed in claim 1, wherein the intelligent constant-pressure water supply device (10) comprises:
a water tank (100);
a centrifugal pump (12) having both ends connected to the water tank (100) and an external water source through a water inlet pipe (13), respectively;
the two ends of the high-pressure vortex pump (14) are respectively connected with the water tank (100) and the spray head (6) through a water outlet pipe (15);
the vacuum pump (16) is connected with the high-pressure vortex pump (14) in parallel and is sequentially connected with an air storage tank (18) and an air compressor (19) through a vacuum pipe (17);
one ends of the water inlet pipe (13) and the water outlet pipe (15) close to the water tank (100) are respectively connected with a water inlet valve (20) and a water outlet valve (21).
9. The comprehensive control system for ash in ash storehouse of thermal power plant as claimed in claim 8, wherein the vacuum tube (17) is provided with a vacuum tube valve (22) at one end near the water tank (100) and an air supply valve (23) at one end near the air storage tank (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010746647.4A CN111744304A (en) | 2020-07-29 | 2020-07-29 | Comprehensive treatment system for dust in ash storehouse of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010746647.4A CN111744304A (en) | 2020-07-29 | 2020-07-29 | Comprehensive treatment system for dust in ash storehouse of thermal power plant |
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| Publication Number | Publication Date |
|---|---|
| CN111744304A true CN111744304A (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010746647.4A Pending CN111744304A (en) | 2020-07-29 | 2020-07-29 | Comprehensive treatment system for dust in ash storehouse of thermal power plant |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101216049B1 (en) * | 2011-06-23 | 2012-12-27 | 민영섭 | Ejector dust collecting system |
| CN102942071A (en) * | 2012-12-05 | 2013-02-27 | 江苏中能电力设备有限公司 | High efficient and environment-friendly pebble coal full-sealing discharge device |
| CN103935783A (en) * | 2014-04-21 | 2014-07-23 | 无锡市华能电力机械有限公司 | Anti-freezing protection device of dome storage bunker spraying system |
| CN204702248U (en) * | 2015-04-17 | 2015-10-14 | 青岛松灵电力环保设备有限公司 | A kind of ash residue storehouse discharging spray of negative pressure dust collector |
| CN106429527A (en) * | 2016-11-25 | 2017-02-22 | 中国电力工程顾问集团西南电力设计院有限公司 | Ash silo discharging and dust-suppressing integrated system |
| CN206345476U (en) * | 2016-11-25 | 2017-07-21 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of grey storehouse discharging dust suppression integral system |
| CN210057649U (en) * | 2019-04-24 | 2020-02-14 | 中国神华能源股份有限公司 | Dust removing device |
| CN212283356U (en) * | 2020-07-29 | 2021-01-05 | 无锡市华能电力机械有限公司 | Dust treatment system for ash storehouse of thermal power plant |
-
2020
- 2020-07-29 CN CN202010746647.4A patent/CN111744304A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101216049B1 (en) * | 2011-06-23 | 2012-12-27 | 민영섭 | Ejector dust collecting system |
| CN102942071A (en) * | 2012-12-05 | 2013-02-27 | 江苏中能电力设备有限公司 | High efficient and environment-friendly pebble coal full-sealing discharge device |
| CN103935783A (en) * | 2014-04-21 | 2014-07-23 | 无锡市华能电力机械有限公司 | Anti-freezing protection device of dome storage bunker spraying system |
| CN204702248U (en) * | 2015-04-17 | 2015-10-14 | 青岛松灵电力环保设备有限公司 | A kind of ash residue storehouse discharging spray of negative pressure dust collector |
| CN106429527A (en) * | 2016-11-25 | 2017-02-22 | 中国电力工程顾问集团西南电力设计院有限公司 | Ash silo discharging and dust-suppressing integrated system |
| CN206345476U (en) * | 2016-11-25 | 2017-07-21 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of grey storehouse discharging dust suppression integral system |
| CN210057649U (en) * | 2019-04-24 | 2020-02-14 | 中国神华能源股份有限公司 | Dust removing device |
| CN212283356U (en) * | 2020-07-29 | 2021-01-05 | 无锡市华能电力机械有限公司 | Dust treatment system for ash storehouse of thermal power plant |
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Application publication date: 20201009 |
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