CN2506887Y - Adjacent boiler negative pressure powder feeder - Google Patents
Adjacent boiler negative pressure powder feeder Download PDFInfo
- Publication number
- CN2506887Y CN2506887Y CN 01270570 CN01270570U CN2506887Y CN 2506887 Y CN2506887 Y CN 2506887Y CN 01270570 CN01270570 CN 01270570 CN 01270570 U CN01270570 U CN 01270570U CN 2506887 Y CN2506887 Y CN 2506887Y
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- CN
- China
- Prior art keywords
- valve
- pipeline
- air intake
- powder
- water
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- Expired - Lifetime
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Abstract
The utility model relates to a neighboring furnace negative pressure powder transferring device, comprising a frequency-changing speed-adjusting powder feeder, a cyclone dust collector, a vacuum bag collector, a water-ring vacuum pump and an electric cabinet. The frequency-changing speed-adjusting powder feeder is arranged under a coal powder bin and is connected with a pipeline on which a powder-feeding air intake valve is arranged. An electric air-locking device is arranged under the cyclone collector and the vacuum bag collector and is respectively connected through pipelines with the coal bin below. An air intake door and an outlet door are arranged on the cyclone collector, the air intake door is connected with a pipeline on which a coal bin check valve is arranged, the outlet door is connected through pipelines with the vacuum bag collector. An air intake valve, a water intake valve and an overflow valve are arranged on the water-ring vacuum pump. The air intake valve is connected through pipelines with a switching valve of a purifying air pipe above the vacuum bag collector; the electric cabinet is respectively connected through wires with the frequency-changing speed-adjusting powder feeder and the electric air-locking device. The utility model has the advantages of proper structure and reliable operation; the utility model can reduce the failure rate and energy consumption, and finish clearing of a failure powder bin, thus improving the working condition.
Description
Skill this area
The utility model relates to a kind of coal dust conveying device that is used for thermal power plant and steam power plant, specifically is a kind of adjacent stove negative pressure powder conveying device.
Background technology
Present domestic thermal power plant and steam power plant all adopt the spiral powder conveying machine to come to be the defeated powder of adjacent stove, and ubiquity fault rate height, energy consumption height, can not be finished problems such as accident powder storehouse empties, environmental pollution is serious.
The utility model content
The defective that the purpose of this utility model exists at prior art and a kind of rational in infrastructure, reliable adjacent stove negative pressure powder conveying device is provided, it can not only reduce fault rate and energy consumption, can finish accident powder storehouse again to empty, and has improved the work on the spot environment.
The purpose of this utility model realizes by following technical scheme: a kind of adjacent stove negative pressure powder conveying device, comprise frequency control machine supplying powder, cyclone dust collectors, vacuum cloth bag dust collector, water ring vacuum pump and regulator cubicle, its described frequency control machine supplying powder be installed in Pulverized Coal Bin under, and defeated powder air intake valve pipeline S is installed
1Link to each other; Under described cyclone dust collectors and the vacuum cloth bag dust collector electronic flapper is housed, by pipeline S
2, S
3Pulverized Coal Bin with its below links to each other respectively, and inlet valve and outlet portal are installed on the described cyclone dust collectors, described inlet valve and the pipeline S that the Pulverized Coal Bin stop valve is housed
1Link to each other, described outlet portal is through pipeline S
4Link to each other with described vacuum cloth bag dust collector side; Air intake valve, water supply valve door and flow spill valve are housed on the described water ring vacuum pump, and described air intake valve is through pipeline S
5The purified gas pipeline transfer valve that is equipped with described vacuum cloth bag dust collector top side links to each other; Described regulator cubicle is through lead N
1, N
2, N
3Link to each other with electronic flapper with described frequency control machine supplying powder respectively.
The utility model adopts such scheme, and it is rational in infrastructure, reliable, can reduce fault rate and energy consumption, can finish accident powder storehouse again and empty, and has reduced pollution, has improved the work on the spot environment, is worthy of popularization.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
Below in conjunction with drawings and Examples in detail the utility model is described in detail.
As shown in Figure 1, a kind of adjacent stove negative pressure powder conveying device, it includes frequency control machine supplying powder 1-1,1-2,1-3, cyclone dust collectors 12-1,12-2,12-3, vacuum cloth bag dust collector 11-1,11-2,11-3, water ring vacuum pump 14 and regulator cubicle 17, described frequency control machine supplying powder 1-1,1-2,1-3 be installed in Pulverized Coal Bin 13-1,13-2,13-3 under, with the pipeline S that defeated powder air intake valve 3-1,3-2,3-3 are installed
1Link to each other; Under described cyclone dust collectors 12-1,12-2,12-3 and vacuum cloth bag dust collector 11-1,11-2, the 11-3 electronic flapper 7-4,7-5,7-6,7-1,7-2,7-3 are housed, by pipeline S
2, S
3Pulverized Coal Bin 13-1,13-2,13-3 with its below links to each other respectively, inlet valve 6-1,6-2,6-3 and outlet portal 8-1,8-2,8-3 are installed, described inlet valve 6-1,6-2,6-3 and the pipeline S of Pulverized Coal Bin stop valve 5-1,5-2,5-3 is housed on described cyclone dust collectors 12-1,12-2, the 12-3
1Link to each other, described outlet portal 8-1,8-2,8-3 are through pipeline S
4Link to each other with described vacuum cloth bag dust collector 11-1,11-2,11-3; Air intake valve 10, water supply valve door 19 and flow spill valve 18 are housed on the described water ring vacuum pump 14, and described air intake valve 10 is through pipeline S
5Link to each other with purified gas pipeline transfer valve 20-1,20-2,20-3 that described vacuum cloth bag dust collector 11-1,11-2,11-3 top side are equipped with; Described regulator cubicle 17 is through lead N
1, N
2, N
3Link to each other with described frequency control machine supplying powder 1-1,1-2,1-3 and electronic flapper 7-4,7-5,7-6,7-1,7-2,7-3 respectively.
In above-mentioned, the front and back pipeline S of described defeated powder air intake valve 3-1,3-2,3-3
1On screen pack 4-1,4-2,4-3 and check-valves 2-1,2-2,2-3 are housed; Water-sealed valve 9 is equipped with in described air intake valve 10 belows; Described water-sealed valve 9 is through pipeline S
6Be connected to the vacuum fluid-tight water tank 15 of band water supply valve door 16.
It carries out, and powder is failed in adjacent stove powder storehouse and the Pulverized Coal Bin evacuation procedure is as follows: when the coal dust in the Pulverized Coal Bin 13-1 of No. 1 boiler of a certain accident need be delivered to Pulverized Coal Bin 13-2,13-3 of another normal operation, a. opened the coupled pipeline S of frequency control machine supplying powder 1-1 of the Pulverized Coal Bin 13-1 below installation that will send
1On defeated powder air intake valve 3-1 and the water supply valve door 16 of vacuum fluid-tight water tank 15; Send b. for regulator cubicle 17 and water ring vacuum pump 14; C. open the stop valve 5-1 that carries powder storehouse 13-1, open inlet valve 6-1, outlet portal 8-1 and the stop valve 20-1 of accident powder storehouse cyclone dust collectors 12-1; D. open sack cleaner 11-1 below to No. 2 stoves or to No. 3 electronic flapper 7-1 of stove; E. water on the water ring vacuum pump 14 is opened vavuum pump water supply valve 19 and close water supply valve 19 after the gap 18 that has water from vavuum pump is flowed out, and treats anhydrous outflow, the air intake valve 10 of the ring vacuum pump 14 of fetching boiling water; F. start water ring vacuum pump 14, open vavuum pump water-sealed valve 9 and water supply valve 19 after the startup, making the Pressure gauge registration on the water sealing (sealing water) pipe is between the 0.015-0.03, and last water pressure represents that number is 0, and it is 0-0.05Mpa that the adjustment water yield makes the pressure on the water ring vacuum pump, makes pipeline S
5Be vacuum state; G. start the pulse control instrument of regulator cubicle 17; H. start and intend carrying the powder storehouse frequency control machine supplying powder 1-1 of installation down, regulate speed regulating control to 800r/min; The electronic flapper 7-4 of top, i startup accident powder storehouse by above procedure operation, is achieved the purpose of defeated powder in adjacent stove powder storehouse and Pulverized Coal Bin emptying.
Claims (4)
1, a kind of adjacent stove negative pressure powder conveying device, it is characterized in that: include frequency control machine supplying powder (1-1,1-2,1-3), cyclone dust collectors (12-1,12-2,12-3), vacuum cloth bag dust collector (11-1,11-2,11-3), water ring vacuum pump (14) and regulator cubicle (17), described frequency control machine supplying powder (1-1,1-2,1-3) be installed in Pulverized Coal Bin (13-1,13-2,13-3) under, with the pipeline S that defeated powder air intake valve (3-1,3-2,3-3) is installed
1Link to each other; Under described cyclone dust collectors (12-1,12-2,12-3) and the vacuum cloth bag dust collector (11-1,11-2,11-3) electronic flapper (7-4,7-5,7-6,7-1,7-2,7-3) is housed, by pipeline S
2, S
3Pulverized Coal Bin (13-1,13-2,13-3) with its below links to each other respectively, inlet valve (6-1,6-2,6-3) and outlet portal (8-1,8-2,8-3) are installed, described inlet valve (6-1,6-2,6-3) and the pipeline S that Pulverized Coal Bin stop valve (5-1,5-2,5-3) is housed on the described cyclone dust collectors (12-1,12-2,12-3)
1Link to each other, described outlet portal (8-1,8-2,8-3) is through pipeline S
4(11-1,11-2,11-3) links to each other with described vacuum cloth bag dust collector; Air intake valve (10), water supply valve door (19) and flow spill valve (18) are housed on the described water ring vacuum pump (14), and described air intake valve (10) is through pipeline S
5The purified gas pipeline transfer valve (20-1,20-2,20-3) that is equipped with described vacuum cloth bag dust collector (11-1,11-2,11-3) top side links to each other; Described regulator cubicle (17) is through lead N
1, N
2, N
3Link to each other with electronic flapper (7-4,7-5,7-6,7-1,7-2,7-3) with described frequency control machine supplying powder (1-1,1-2,1-3) respectively.
2, adjacent stove negative pressure powder conveying device according to claim 1 is characterized in that: the front and back pipeline S of described defeated powder air intake valve (3-1,3-2,3-3)
1On screen pack (4-1,4-2,4-3) and check-valves (2-1,2-2,2-3) are housed.
3, adjacent stove negative pressure powder conveying device according to claim 1 is characterized in that: water-sealed valve (9) is equipped with in described air intake valve (10) below.
4, adjacent stove negative pressure powder conveying device according to claim 3, it is characterized in that: described water-sealed valve (9) is through pipeline S
6Be connected to the vacuum fluid-tight water tank (15) of band water supply valve door (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01270570 CN2506887Y (en) | 2001-11-14 | 2001-11-14 | Adjacent boiler negative pressure powder feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01270570 CN2506887Y (en) | 2001-11-14 | 2001-11-14 | Adjacent boiler negative pressure powder feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2506887Y true CN2506887Y (en) | 2002-08-21 |
Family
ID=33676167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01270570 Expired - Lifetime CN2506887Y (en) | 2001-11-14 | 2001-11-14 | Adjacent boiler negative pressure powder feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2506887Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162306A (en) * | 2011-12-14 | 2013-06-19 | 佛山市国保节能环保技术有限公司 | Coal powder long-range conveying and combustion system |
| CN104633692A (en) * | 2015-01-07 | 2015-05-20 | 西安西热锅炉环保工程有限公司 | System and method for clearing powder deposits in pulverized coal bunkers using adjacent boiler negative pressure |
| TWI490437B (en) * | 2013-12-04 | 2015-07-01 | 中國鋼鐵股份有限公司 | Pulverized coal injection system of blast furnace and method for clearing out pulverized coal injecting pipe thereof |
| CN115849012A (en) * | 2022-11-18 | 2023-03-28 | 中冶南方(湖南)工程技术有限公司 | Coke powder pneumatic conveying method and system |
-
2001
- 2001-11-14 CN CN 01270570 patent/CN2506887Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162306A (en) * | 2011-12-14 | 2013-06-19 | 佛山市国保节能环保技术有限公司 | Coal powder long-range conveying and combustion system |
| CN103162306B (en) * | 2011-12-14 | 2015-05-27 | 佛山市国保节能环保技术有限公司 | Coal powder long-range conveying and combustion system |
| TWI490437B (en) * | 2013-12-04 | 2015-07-01 | 中國鋼鐵股份有限公司 | Pulverized coal injection system of blast furnace and method for clearing out pulverized coal injecting pipe thereof |
| CN104633692A (en) * | 2015-01-07 | 2015-05-20 | 西安西热锅炉环保工程有限公司 | System and method for clearing powder deposits in pulverized coal bunkers using adjacent boiler negative pressure |
| CN115849012A (en) * | 2022-11-18 | 2023-03-28 | 中冶南方(湖南)工程技术有限公司 | Coke powder pneumatic conveying method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20111114 Granted publication date: 20020821 |