CN202625391U - Thermal power plant adjacent furnace negative pressure powder bin emptying device - Google Patents
Thermal power plant adjacent furnace negative pressure powder bin emptying device Download PDFInfo
- Publication number
- CN202625391U CN202625391U CN 201220266567 CN201220266567U CN202625391U CN 202625391 U CN202625391 U CN 202625391U CN 201220266567 CN201220266567 CN 201220266567 CN 201220266567 U CN201220266567 U CN 201220266567U CN 202625391 U CN202625391 U CN 202625391U
- Authority
- CN
- China
- Prior art keywords
- dust collector
- valve
- vacuum
- bag dust
- negative pressure
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Air Transport Of Granular Materials (AREA)
Abstract
The utility model relates to a thermal power plant adjacent furnace negative pressure powder bin emptying device. The thermal power plant adjacent furnace negative pressure powder bin emptying device is characterized by comprising a pulverized coal bunker, a pulverized coal feeder, a single powder bin emptying device which is composed of a cyclone dust collector and a vacuum bag dust collector, a water ring vacuum pump, and a vacuum liquid seal water tank. The pulverized coal feeder is arranged at the bottom of the pulverized coal bunker, and the bottoms of the cyclone dust collector and the vacuum bag dust collector are respectively connected with an electric clapper. The pulverized coal bunker is respectively connected with the electric clapper of the cyclone dust collector and the electric clapper of the vacuum bag dust collector through pipelines. An upper side opening of the vacuum bag dust collector is provided with a purified gas pipeline switching valve. The purified gas pipeline switching valve of the upper side opening of the vacuum bag dust collector is connected with a water ring vacuum pump pipeline through an inlet valve. The vacuum liquid seal water tank is connected with a lower end pipeline of the inlet valve in parallel through a water-sealed valve. The thermal power plant adjacent furnace negative pressure powder bin emptying device has the advantages of being reasonable in structure, reliable in operation, and not only capable of reducing failure rate and energy consumption but also capable of finishing accident powder bin empty timely, reducing pollution, and improving field work environment.
Description
Technical field
The utility model belongs to thermoelectric power station equipment, relates in particular to the adjacent stove negative pressure of a kind of thermoelectric power station powder storehouse emptying apparatus.
Background technology
Problems such as at present all to adopt the spiral powder conveying machine be the defeated powder of adjacent stove for thermal powerplant and thermoelectric power station, and ubiquity that fault rate is high, energy consumption is high, can not completion accident powder storehouse empty, environmental pollution is serious.
The utility model content
The utility model is in order to overcome deficiency of the prior art, and the adjacent stove negative pressure of a kind of rational in infrastructure, reliable thermoelectric power station powder storehouse emptying apparatus is provided, and it can not only reduce fault rate and energy consumption, can accomplish accident powder storehouse again and empty, and has improved the field activity environment.
The utility model is for realizing above-mentioned purpose; Realize through following technical scheme; The adjacent stove negative pressure of a kind of thermoelectric power station powder storehouse emptying apparatus; It is characterized in that: comprise separate unit powder storehouse emptying apparatus, water ring vacuum pump, vacuum fluid-tight water tank that Pulverized Coal Bin, machine supplying powder, duct cyclone and vacuum cloth bag dust collector constitute; Said machine supplying powder places the Pulverized Coal Bin bottom; Said duct cyclone and vacuum cloth bag dust collector bottom are respectively equipped with electronic flapper, and said Pulverized Coal Bin is connected with the electronic flapper of duct cyclone and the electronic flapper of vacuum cloth bag dust collector respectively through pipeline, and said vacuum cloth bag dust collector upside mouth is provided with purified gas pipeline transfer valve; The purified gas pipeline transfer valve of said vacuum cloth bag dust collector upside mouth is connected with the water ring vacuum pump pipeline through air inlet valve, and said vacuum fluid-tight water tank is parallelly connected with the lower end pipeline of said air inlet valve through water-sealed valve.
The machine supplying powder of said some separate unit powder storehouse emptying apparatus is through shutoff valve series connection, the exit door plumbing connection that said series pipe is suitable for reading with duct cyclone respectively, said exit door pipeline respectively with vacuum cloth bag dust collector plumbing connection.
Water supply valve and by pass valve are housed on the said water ring vacuum pump.
Said machine supplying powder is provided with to powder air inlet valve and boiler check valve, and filtering net is housed on the pipeline.
Beneficial effect: rational in infrastructure, reliable, can reduce fault rate and energy consumption, the powder of completion accident in time storehouse empties again, has reduced pollution, has improved the field activity environment.
Description of drawings
Fig. 1 is the utility model structural representation.
Among the figure: 1, coal dust, 2, machine supplying powder, 3, duct cyclone, 4, the vacuum cloth bag dust collector, 5, water ring vacuum pump; 6, vacuum fluid-tight water tank, 7, electronic flapper, 8, purified gas pipeline transfer valve, 9, air inlet valve, 10, water-sealed valve; 11, shutoff valve, 12, exit door, 13, water supply valve, 14, by pass valve, 15, give the powder air inlet valve; 16, boiler check valve, 17, filtering net, 18, water supply valve, 19, inlet valve.
The specific embodiment
Below in conjunction with preferred embodiment; Details are as follows to the specific embodiment that provides according to the utility model: see accompanying drawing for details; The adjacent stove negative pressure of a kind of thermoelectric power station powder storehouse emptying apparatus; Comprise separate unit powder storehouse emptying apparatus, water ring vacuum pump 5, vacuum fluid-tight water tank 6 that Pulverized Coal Bin 1, machine supplying powder 2, duct cyclone 3 and vacuum cloth bag dust collector 4 constitute; Said machine supplying powder places the Pulverized Coal Bin bottom; Said duct cyclone and vacuum cloth bag dust collector bottom are respectively equipped with electronic flapper 7, and said Pulverized Coal Bin is connected with the electronic flapper of duct cyclone and the electronic flapper of vacuum cloth bag dust collector respectively through pipeline, and said vacuum cloth bag dust collector upside mouth is provided with purified gas pipeline transfer valve 8; The purified gas pipeline transfer valve of said vacuum cloth bag dust collector upside mouth is connected with the water ring vacuum pump pipeline through air inlet valve 9, and said vacuum fluid-tight water tank is parallelly connected with the lower end pipeline of said air inlet valve through water-sealed valve 10.The machine supplying powder of said some separate unit powder storehouse emptying apparatus is through shutoff valve 11 series connection, exit door 12 plumbing connections that said series pipe is suitable for reading with duct cyclone respectively, said exit door pipeline respectively with vacuum cloth bag dust collector plumbing connection.Water supply valve 13 and by pass valve 14 are housed on the said water ring vacuum pump.Said machine supplying powder is provided with to powder air inlet valve 15 and boiler check valve 16, and filtering net 17 is housed on the pipeline.
Working process:
When the coal dust in the Pulverized Coal Bin of No. 1 boiler of a certain accident need be delivered to the Pulverized Coal Bin of another normal operation, open the machine supplying powder of the Pulverized Coal Bin below installation that will send and the water supply valve 18 of defeated powder air inlet valve on the coupled pipeline 15 and vacuum fluid-tight water tank; Open the shutoff valve of Pulverized Coal Bin; Open inlet valve 19, the exit door of accident powder storehouse duct cyclone; Open bag dust collector below to No. 2 stoves or to No. 3 electronic flappers of stove; Water on the water ring vacuum pump is opened the vacuum pump water supply valve and after the spillway that has water from vacuum pump flows out, is closed water supply valve, treats anhydrous outflow, the air intake valve of the ring vacuum pump of fetching boiling water; Start the water vacuum pump, open vacuum pump water-sealed valve and water supply valve after the startup, making the compression indicator registration on the sealing water pipe is between the 0.015-0.03, and last hydraulic pressure representes 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 be vacuum state; Start the machine supplying powder of installing under the Pulverized Coal Bin, regulate speed control to 800r/min; The electronic flapper of startup accident Pulverized Coal Bin top, through above procedure operation, the purpose of be achieved pleased powder in adjacent stove powder storehouse and Pulverized Coal Bin emptying.
The above only is the preferred embodiment of the utility model, is not the structure of the utility model is done any pro forma restriction.Every technical spirit according to the utility model is to any simple modification, equivalent variations and modification that above embodiment did, all still belongs in the scope of technical scheme of the utility model.
Claims (4)
1. the adjacent stove negative pressure of thermoelectric power station powder storehouse emptying apparatus; It is characterized in that: comprise separate unit powder storehouse emptying apparatus, water ring vacuum pump, vacuum fluid-tight water tank that Pulverized Coal Bin, machine supplying powder, duct cyclone and vacuum cloth bag dust collector constitute; Said machine supplying powder places the Pulverized Coal Bin bottom; Said duct cyclone and vacuum cloth bag dust collector bottom are respectively equipped with electronic flapper; Said Pulverized Coal Bin is connected with the electronic flapper of duct cyclone and the electronic flapper of vacuum cloth bag dust collector respectively through pipeline; Said vacuum cloth bag dust collector upside mouth is provided with purified gas pipeline transfer valve, and the purified gas pipeline transfer valve of said vacuum cloth bag dust collector upside mouth is connected with the water ring vacuum pump pipeline through air inlet valve, and said vacuum fluid-tight water tank is parallelly connected with the lower end pipeline of said air inlet valve through water-sealed valve.
2. the adjacent stove negative pressure of thermoelectric power station according to claim 1 powder storehouse emptying apparatus; It is characterized in that: the machine supplying powder of said some separate unit powder storehouse emptying apparatus is through the shutoff valve series connection; The exit door plumbing connection that said series pipe is suitable for reading with duct cyclone respectively, said exit door pipeline respectively with vacuum cloth bag dust collector plumbing connection.
3. the adjacent stove negative pressure of thermoelectric power station according to claim 1 powder storehouse emptying apparatus is characterized in that: water supply valve and by pass valve are housed on the said water ring vacuum pump.
4. the adjacent stove negative pressure of thermoelectric power station according to claim 1 powder storehouse emptying apparatus, it is characterized in that: said machine supplying powder is provided with to powder air inlet valve and boiler check valve, and filtering net is housed on the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220266567 CN202625391U (en) | 2012-06-07 | 2012-06-07 | Thermal power plant adjacent furnace negative pressure powder bin emptying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220266567 CN202625391U (en) | 2012-06-07 | 2012-06-07 | Thermal power plant adjacent furnace negative pressure powder bin emptying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202625391U true CN202625391U (en) | 2012-12-26 |
Family
ID=47378614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220266567 Expired - Fee Related CN202625391U (en) | 2012-06-07 | 2012-06-07 | Thermal power plant adjacent furnace negative pressure powder bin emptying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202625391U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2012
- 2012-06-07 CN CN 201220266567 patent/CN202625391U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104528386A (en) | Pneumatic conveying system of fly ash of dust collector | |
| CN104390260A (en) | Biomass heating boiler system | |
| CN201865153U (en) | Novel sac-type water supply device | |
| CN202625391U (en) | Thermal power plant adjacent furnace negative pressure powder bin emptying device | |
| CN202024306U (en) | Waste heat recovery device for boiler | |
| CN204285621U (en) | A kind of biomass heating steam generator system | |
| CN202532424U (en) | Energy-saving environment-friendly steam generating device | |
| CN210596125U (en) | Blast furnace top gas recovery device utilizing recovered gas to seal distributor gear box | |
| CN102454185A (en) | Automatic air supply device for air pressure water supply tank | |
| CN204675149U (en) | A kind of dust conveying system blockage-eliminating device | |
| CN203442476U (en) | Air-supply circulating system of air engine | |
| CN2506887Y (en) | Adjacent boiler negative pressure powder feeder | |
| CN208779142U (en) | A kind of device for gas pipeline water seal | |
| CN202470030U (en) | Closed high-temperature condensed water recycling device | |
| CN201826350U (en) | Automatic air supply device of air pressure water supply tank | |
| CN202300595U (en) | Tail gas waste heat recovering system of diesel engine for drilling | |
| CN202300990U (en) | Bin pump heat insulation device | |
| CN205805879U (en) | Gas generator softens the pump motor control system of water supply | |
| CN201412826Y (en) | Pump-less self-pressure water filling boiler | |
| CN201412820Y (en) | Pump-less water-filling horizontal boiler | |
| CN202532726U (en) | Simple and automatic solar water heater | |
| CN204563949U (en) | Denitrating flue gas urea strength feeding device | |
| CN204073713U (en) | The deduster of sand preparing system equipment | |
| CN204202427U (en) | One can self-bleeding condenser circulation | |
| CN204114976U (en) | A kind of energy-saving and emission-reduction chimney |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20170607 |