CN207035161U - A kind of coal-powder boiler wet type mechanical deslagging system - Google Patents
A kind of coal-powder boiler wet type mechanical deslagging system Download PDFInfo
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- CN207035161U CN207035161U CN201720876729.4U CN201720876729U CN207035161U CN 207035161 U CN207035161 U CN 207035161U CN 201720876729 U CN201720876729 U CN 201720876729U CN 207035161 U CN207035161 U CN 207035161U
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- water
- slag
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- powder boiler
- scraping board
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Abstract
The utility model discloses a kind of coal-powder boiler wet type mechanical deslagging system, belong to thermal power plant coal-powder boiler slag removing system field, its structure includes slag well, water immersion type scraping board slag conveyor and slag storehouse, the bottom of described slag well is arranged in the tank of water immersion type scraping board slag conveyor, the outlet side lower part of water immersion type scraping board slag conveyor is provided with slag storehouse, the water immersion type scraping board slag conveyor housing side in described slag underground portion installs plate type heat exchanger additional, the entrance point of plate type heat exchanger is connected with chilled water modulation system, the port of export is connected with CWR road, the lower inside in described slag storehouse is provided with bleed plate, slag storehouse side is connected with rinse-system, opposite side is connected with recovery pond, recovered water pump is provided with described recovery pond, described chilled water modulation system, recovered water pump is connected with controller respectively.The utility model has no wastewater disposition, has saved and has used water, the features such as reducing the burden of power plant waste water treatment facility.
Description
Technical field
Thermal power plant coal-powder boiler slag removing system field is the utility model is related to, especially a kind of coal-powder boiler wet type machinery removes
Slag system.
Background technology
With the raising of environmental requirement, target water and sewage zero-discharge propose higher requirement to power plant, and coal dust
The shortcomings that boiler original hydraulic slag removal system is cumbersome, water consumption is big, sewage quantity is big has also shown out, and air-cooled dry type slagging-off is advanced
Theory, utilize Air Leakage Into Boilers cooled slag, you can recovery heat of slags, reduce number of devices again.But in actual motion apoplexy
Leaking out to adverse effect caused by boiler combustion for cold dry slag disposal, greatly reduces advantage possessed by it, and immersion type is scraped
The shortcomings that wet type mechanical deslagging system in plate dragveyer+slag storehouse had both avoided hydraulic slag removal system, air-cooled dry type is also prevented and has removed
Influence of the slag to boiler combustion.
The wet type mechanical deslagging system in the water immersion type scraping board slag conveyor applied at present+slag storehouse is compared to above two slagging-off side
Formula has the advantages of certain, but simple system, and water immersion type scraping board slag conveyor is only used as conveying equipment, there is no that outfit is outside
Cooling water system, the direct moisturizing when water temperature is higher in cell body, causes substantial amounts of wastewater disposition.
Utility model content
Technical assignment of the present utility model is to provide a kind of coal-powder boiler wet type machinery for above-mentioned deficiency of the prior art
Slag removing system, a kind of coal-powder boiler wet type mechanical deslagging system have no wastewater disposition, have saved and used water, reduce power plant's dirt
The characteristics of burden of water processing establishment.
Technical scheme is used by the utility model solves its technical problem：It includes slag well, immersion type scraper plate drags for slag
Machine and slag storehouse, the bottom of described slag well are arranged in the tank of water immersion type scraping board slag conveyor, and water immersion type scraping board slag conveyor goes out
Mouth side lower part is provided with slag storehouse, and the water immersion type scraping board slag conveyor housing side in described slag underground portion installs plate type heat exchanger additional, board-like
The entrance point of heat exchanger is connected with chilled water modulation system, and the port of export is connected with CWR road, described slag storehouse it is interior
Side lower part is provided with bleed plate, and slag storehouse side is connected with rinse-system, and opposite side is connected with recovery pond, described recovery pond
Recovered water pump is inside provided with, described chilled water modulation system, recovered water pump are connected with controller respectively.
The upper edge of described slag well is provided with water sealed tank, and water sealed tank is connected with water charging system, and water is provided with water sealed tank
Sealing groove liquid level emasuring device, described water sealed tank liquid level emasuring device, water charging system are connected with controller respectively.
Described water charging system includes water pipe and moisturizing electric control valve, and described moisturizing electric control valve is arranged on
On water pipe, the end of water pipe is connected with water sealed tank, and described moisturizing electric control valve is connected with controller.
Described slag underground portion is provided with hydraulic shutoff door.
Dragveyer temperature measuring equipment is provided with the tank of described water immersion type scraping board slag conveyor and dragveyer liquid level is surveyed
Device is measured, described dragveyer temperature measuring equipment, dragveyer liquid level emasuring device are connected with controller respectively.
Described chilled water modulation system includes cooling water inlet pipe road and cooling water electric control valve, described cooling water
Electric control valve is arranged on cooling water inlet pipe road, and the end on cooling water inlet pipe road is connected with plate type heat exchanger, described
Cooling water electric control valve is connected with controller.
Described recovered water pump includes two, and two recovered water pumps are arranged in parallel in recovery pond.
Compared to the prior art a kind of coal-powder boiler wet type mechanical deslagging system of the present utility model, has with following prominent
Beneficial effect：The system automation is horizontal high, and whole system logic is completed by centralized Control, and the system water consumption is low, no dirt
Water discharges, and has saved and has used water, the features such as reducing the burden of power plant waste water treatment facility.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural representation of coal-powder boiler wet type mechanical deslagging system；
Description of reference numerals：1 slag well, 2 water charging systems, 21 water pipes, 22 moisturizing electric control valves, 3 water sealed tank liquid levels
Measurement apparatus, 4 hydraulic shutoff doors, 5 water immersion type scraping board slag conveyors, 6 dragveyer temperature measuring equipments, 7 dragveyer level gaugings dress
Put, 8 plate type heat exchangers, 9 chilled water modulation systems, 91 cooling water inlet pipe roads, 92 cooling water electric control valves, 10 slag storehouses, 11
Bleed plate, 12 rinse-systems, 13 recovery ponds, 14 recovered water pumps, 15 recovery pond liquid level measurement devices, 16 CWRs
Road, 17 water sealed tanks.
Embodiment
A kind of coal-powder boiler wet type mechanical deslagging system of the present utility model is said in detail below with reference to Figure of description 1
It is bright.
A kind of coal-powder boiler wet type mechanical deslagging system of the present utility model, its structure includes slag well 1, immersion type scraper plate drags for slag
Machine 5 and slag storehouse 10, the bottom of described slag well 1 are arranged in the tank of water immersion type scraping board slag conveyor 5, water immersion type scraping board slag conveyor
5 outlet side lower part is provided with slag storehouse 10, and the housing side of water immersion type scraping board slag conveyor 5 of the described bottom of slag well 1 installs board-like change additional
Hot device 8, the entrance point of plate type heat exchanger 8 are connected with chilled water modulation system 9, and the port of export is connected with CWR road 16,
The lower inside in described slag storehouse 10 is provided with bleed plate 11, and the side of slag storehouse 10 is connected with rinse-system 12, opposite side and recovery
Pond 13 is connected, and recovered water pump 14 is provided with described recovery pond 13, bleed and slag storehouse flushing water pass through recovered water pump again
14 return water immersion type scraping board slag conveyors 5 recycles, described chilled water modulation system 9, recovered water pump 14 respectively with controller
It is connected.
The upper edge of described slag well 1 is provided with water sealed tank 17, and water sealed tank 17 is connected with water charging system 2, and in water sealed tank 17
Water sealed tank liquid level emasuring device 3 is provided with, selectes minimum continuous rate of water make-up, that is, ensures that slag well 1 is not in boiler junction
Leak out, described water sealed tank liquid level emasuring device 3, water charging system 2 are connected with controller respectively.
Described water charging system 2 includes water pipe 21 and moisturizing electric control valve 22, described moisturizing electric control valve
22 are arranged on water pipe 21, and the end of water pipe 21 is connected with water sealed tank 17, described moisturizing electric control valve 22 with
Controller is connected.
The described bottom of slag well 1 is provided with hydraulic shutoff door 4.It is easy to the maintenance of water immersion type scraping board slag conveyor 5 in short-term.
Dragveyer temperature measuring equipment 6 and dragveyer liquid level are provided with the tank of described water immersion type scraping board slag conveyor 5
Measurement apparatus 7, described dragveyer temperature measuring equipment 6, dragveyer liquid level emasuring device 7 are connected with controller respectively.
Described chilled water modulation system 9 includes cooling water inlet pipe road 91 and cooling water electric control valve 92, described
Cooling water electric control valve 92 is arranged on cooling water inlet pipe road 91, the end on cooling water inlet pipe road 91 and plate type heat exchanger
8 are connected, and described cooling water electric control valve 92 is connected with controller.Rational cooling water inflow is set according to temperature, ensures water
Temperature is in the range of setting in groove.
Plate type heat exchanger 8 takes away the heat of clinker in time, and the water temperature in the tank of water immersion type scraping board slag conveyor 5 maintains suitable
When scope, water temperature is completed by dragveyer temperature measuring equipment 6 and chilled water modulation system 9 in tank.
Described recovered water pump 14 includes two, and two recovered water pumps 14 are arranged in parallel in recovery pond 13.Recycle-water
14 1 operations one of pump are standby.
In the tank of the bottom of slag well 1 insertion water immersion type scraping board slag conveyor 5, the deslagging of water immersion type scraping board slag conveyor 5 enters slag storehouse
10, the water of wet slag is further filled into recovery pond 13 by the bleed plate 11 in slag storehouse 10, water is returned in the timing of recovered water pump 14
Water immersion type scraping board slag conveyor 5 is returned, when liquid level reaches the upper limit in the tank of water immersion type scraping board slag conveyor 5, recovered water pump 14 stops fortune
OK.
The unloading of slag storehouse 10 unsnatches slag, high pressure water washing bleed plate 11, flushing water enters recovery pond 13 and made using the door that surges
For the moisturizing of water immersion type scraping board slag conveyor 5.
Recovery pond liquid level measurement device 15, recovery pond liquid level measurement device 15 and control are provided with recovery pond 13
Device is connected.
Feedback signal is to controller when liquid level is relatively low in the tank of water immersion type scraping board slag conveyor 5,14 preferential moisturizing of recovered water pump,
When the recovery pond liquid level measurement device 15 in recovery pond 13 shows that liquid level is relatively low, increase on the water pipe 21 of water sealed tank 17
The aperture of moisturizing electric control valve 22, increase rate of water make-up, reach the water level of water immersion type scraping board slag conveyor 5 setting the upper limit when, it is extensive
It is multiple to arrive minimum continuous rate of water make-up.
Water charging system 2 successively to moisturizing in the water sealed tank 17 of slag well 1, as water seal water, ensures boiler and removes slag system
System junction is not leaked out, and clinker falls into cooling in the tank of water immersion type scraping board slag conveyor 5, granulation, and clinker drags for slag through immersion type scraper plate
Machine 5 enters slag storehouse 10 and stored, and through bleed plate 11, further filtering enters recovery pond 13 to the water in clinker, and clinker is periodically through automobile
Outward transport, the bleed plate 11 of slag storehouse 10 after emptying are rinsed through rinse-system 12, and the water and flushing water that bleed plate 11 separates out enter
Pond 13 is reclaimed, recovered water pump 14 in pond 13 is reclaimed and feeds the water into recycling, immersion type scraper plate in water immersion type scraping board slag conveyor 5
Heat is taken away through the cooling water of plate type heat exchanger 8 in dragveyer 5, and cooling water inflow is controlled through chilled water modulation system 9.Slag well 1
The water that the Boiler radiation torrid zone is walked at water seal is supplemented by water charging system 2, and the water and dragveyer radiant heat in automobile outward transport wet slag are taken away
Water provided by flushing water system, insufficient section is supplemented by water charging system 2.
Illustrative embodiments listed above are only not to described by the utility model for understanding that the utility model is used
The restriction of technical scheme, the those of ordinary skill about field, on the basis of technical scheme described in claim, it can also make
Go out a variety of changes or deformation, all equivalent changes or deformation should all cover claims of the present utility model it
It is interior.Part is not described in detail for the utility model, is the known technology of those skilled in the art of the present technique.
Claims (7)
1. a kind of coal-powder boiler wet type mechanical deslagging system, including slag well, water immersion type scraping board slag conveyor and slag storehouse, described slag well
Bottom is arranged in the tank of water immersion type scraping board slag conveyor, and the outlet side lower part of water immersion type scraping board slag conveyor is provided with slag storehouse, its
It is characterized in：The water immersion type scraping board slag conveyor housing side in described slag underground portion installs plate type heat exchanger, the import of plate type heat exchanger additional
End is connected with chilled water modulation system, and the port of export is connected with CWR road, and the lower inside in described slag storehouse is provided with
Bleed plate, slag storehouse side are connected with rinse-system, and opposite side is connected with recovery pond, and recovery is provided with described recovery pond
Water pump, described chilled water modulation system, recovered water pump are connected with controller respectively.
2. a kind of coal-powder boiler wet type mechanical deslagging system according to claim 1, it is characterized in that：The upper edge of described slag well
Water sealed tank is provided with, water sealed tank is connected with water charging system, and water sealed tank liquid level emasuring device is provided with water sealed tank, described water
Sealing groove liquid level emasuring device, water charging system are connected with controller respectively.
3. a kind of coal-powder boiler wet type mechanical deslagging system according to claim 2, it is characterized in that：Described water charging system bag
Water pipe and moisturizing electric control valve are included, described moisturizing electric control valve is arranged on water pipe, the end of water pipe
End is connected with water sealed tank, and described moisturizing electric control valve is connected with controller.
4. a kind of coal-powder boiler wet type mechanical deslagging system according to claim 1, it is characterized in that：Described slag underground portion is set
It is equipped with hydraulic shutoff door.
5. a kind of coal-powder boiler wet type mechanical deslagging system according to claim 1, it is characterized in that：Described immersion type scraper plate
Dragveyer temperature measuring equipment and dragveyer liquid level emasuring device are provided with the tank of dragveyer, described dragveyer temperature is surveyed
Amount device, dragveyer liquid level emasuring device are connected with controller respectively.
6. a kind of coal-powder boiler wet type mechanical deslagging system according to claim 1, it is characterized in that：Described chilled water modulation
System includes cooling water inlet pipe road and cooling water electric control valve, and described cooling water electric control valve is arranged on cooling water and entered
In water lines, the end on cooling water inlet pipe road is connected with plate type heat exchanger, described cooling water electric control valve and controller
It is connected.
7. a kind of coal-powder boiler wet type mechanical deslagging system according to claim 1, it is characterized in that：Described recovered water pump bag
Two are included, two recovered water pumps are arranged in parallel in recovery pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720876729.4U CN207035161U (en) | 2017-07-18 | 2017-07-18 | A kind of coal-powder boiler wet type mechanical deslagging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720876729.4U CN207035161U (en) | 2017-07-18 | 2017-07-18 | A kind of coal-powder boiler wet type mechanical deslagging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207035161U true CN207035161U (en) | 2018-02-23 |
Family
ID=61464842
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720876729.4U Expired - Fee Related CN207035161U (en) | 2017-07-18 | 2017-07-18 | A kind of coal-powder boiler wet type mechanical deslagging system |
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| CN (1) | CN207035161U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002661A (en) * | 2019-04-28 | 2019-07-12 | 国电龙源电力技术工程有限责任公司 | Method for treating desulfurized wastewater and utilization wet slag removal evaporation disposition desulfurization wastewater device |
| CN110580062A (en) * | 2019-08-20 | 2019-12-17 | 清远市拼果果环保科技有限公司 | Water level balance control method for wet scraper slag conveyor |
| CN112413617A (en) * | 2020-11-20 | 2021-02-26 | 西安热工研究院有限公司 | Novel scraper type dehydration and deslagging system suitable for thermal power plant |
-
2017
- 2017-07-18 CN CN201720876729.4U patent/CN207035161U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002661A (en) * | 2019-04-28 | 2019-07-12 | 国电龙源电力技术工程有限责任公司 | Method for treating desulfurized wastewater and utilization wet slag removal evaporation disposition desulfurization wastewater device |
| CN110580062A (en) * | 2019-08-20 | 2019-12-17 | 清远市拼果果环保科技有限公司 | Water level balance control method for wet scraper slag conveyor |
| CN110580062B (en) * | 2019-08-20 | 2022-07-05 | 刘雨嫣 | Water level balance control method for wet scraper slag conveyor |
| CN112413617A (en) * | 2020-11-20 | 2021-02-26 | 西安热工研究院有限公司 | Novel scraper type dehydration and deslagging system suitable for thermal power plant |
| CN112413617B (en) * | 2020-11-20 | 2022-09-27 | 西安热工研究院有限公司 | Scraper type dehydration and deslagging system suitable for thermal power plant |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| 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: 20180223 Termination date: 20200718 |