CN206543469U - A kind of coal-fired plant flue gas water capturing installation - Google Patents
A kind of coal-fired plant flue gas water capturing installation Download PDFInfo
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- CN206543469U CN206543469U CN201720161152.9U CN201720161152U CN206543469U CN 206543469 U CN206543469 U CN 206543469U CN 201720161152 U CN201720161152 U CN 201720161152U CN 206543469 U CN206543469 U CN 206543469U
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- flue gas
- coal
- cyclone
- water
- fired plant
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Abstract
The utility model discloses a kind of coal-fired plant flue gas water capturing installation, including cyclone, the side wall of cyclone is provided with air inlet pipe, the upper end of cyclone is provided with blast pipe, multilayer cooling pipe network is provided with inside cyclone, cooling pipe network is the pipeline of multilayer arranged crosswise, and the import of cooling pipe network is connected with conveying device.The utility model is bypath system, the normal operation of power plant is not influenceed and is simple to manufacture, arranged that convenient, construction and operating cost are low, the trapping reuse of moisture in coal-fired plant flue gas can be effectively realized, the purpose of water saving is reached, alleviates the water-deficient area coal-burning power plant water pressures such as western part；Simultaneously using the bypass of inlet air of boiler or make-up water as cooling medium, recyclable partial heat while water is caught, the energy is saved.
Description
Technical field
The utility model belongs to energy-conserving and emission-cutting technology field, relates generally to a kind of coal-fired plant flue gas water capturing installation.
Background technology
Production of the water to coal-burning power plant is most important, in water-deficient areas such as western parts, and water directly governs the sustainable of power plant
Sexual development.Coal-fired flue-gas contains certain water in itself, particularly after wet desulphurization, and flue gas reaches saturation, carries water
It is huge.By taking 600MW units as an example, the Nm of exhaust gas volumn about 2,000,0003Saturated flue gas temperature is 50 DEG C or so, water content after/h, desulfurizing tower
About 87.56g/kg dry flue gas, it is assumed that flue-gas temperature reduces by 5 DEG C（The water content of flue gas is about the dry cigarettes of 65.977g/kg at 45 DEG C
Gas）If the moisture of condensation can all trap reuse, and water-saving amount is about 54.9t/h.
In addition, coal-burning power plant realizes the minimum discharge of flue gas, smoke stack emission flue gas nitrogen oxide concentration successively in recent years
Less than 50mg/m3, SO2Concentration is less than 35mg/m3, dust concentration is less than 5mg/m3.In view of the clean level of flue gas, traps water water
Matter preferably, therefore carry out after simple process can direct reuse in power plant's production system, economic advantages substantially, but lack in the prior art
Few flue gas water capturing installation.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of coal-fired plant flue gas water capturing installation and catches water side
Method, by trapping the moisture in flue gas and reuse, what is reached using water wisely and alleviate the water-deficient area coal-burning power plant such as western part uses water
Pressure.
The technical solution of the utility model is：
A kind of coal-fired plant flue gas water capturing installation, including cyclone, the side wall of cyclone are provided with air inlet pipe, cyclone it is upper
End, which is provided with inside blast pipe, cyclone, is provided with multilayer cooling pipe network, and cooling pipe network is the pipeline of multilayer arranged crosswise, cooling pipe network
Import be connected with conveying device.
It is preferred that, described conveying device is the first air-introduced machine, and the cold wind of the first air-introduced machine is quoted from inlet air of boiler.
It is preferred that, the air inlet system of boiler is returned after described cold wind heat exchange heating.
It is preferred that, described conveying device is water pump, and the cooling aqueous medium of water pump is quoted from boiler feedwater.
It is preferred that, the water charging system of boiler is returned after described cooling water heat exchange heating.
It is preferred that, described blast pipe and the junction of cyclone are provided with the second air-introduced machine.
It is preferred that, the bottom of described cyclone sets liquid level gauge, and the lower end outlet of cyclone is provided with magnetic valve, works as liquid level
More than setting value, magnetic valve is opened, and realizes automatically controlling for draining.
It is preferred that, the lower end outlet of described cyclone is connected with header tank, and the lower end of header tank is provided with drainage tube.
It is preferred that, valve is respectively equipped with described air inlet pipe and the flue of blast pipe, makes water capturing installation independently of power plant
Production system, it is to avoid impacted to existing system.
It is a kind of that water method is caught based on coal-fired plant flue gas water capturing installation, draw the entrance of the saturated flue gas after part wet desulfurization
Water capturing installation, flue gas in water capturing installation in swirling motion and with cyclone wall and multilayer cooling tube contact heat-exchanging, flue gas water
It is droplet that condensation or supersaturation, which are separated out, point on pipe network and wall, and grows into big drop by mutually colliding, in centrifugal force
With wall or cyclone bottom are moved in the presence of inertia force, and finally collect in bottom.
The beneficial effects of the utility model are：
The utility model is bypath system, and the normal operation of power plant is not influenceed and is simple to manufacture, arranged convenient, construction and transport
Row cost is low, can effectively realize the trapping reuse of moisture in coal-fired plant flue gas, reaches the purpose of water saving, alleviates the water shortages such as western part
Regional coal-burning power plant's water pressure；Simultaneously using the bypass of inlet air of boiler or make-up water as cooling medium, it can be returned while catching water
Receiving portions heat, saves the energy；Cooling device is pipe network, and its contact area is big and crossbar contact can be carried as hydrogenesis point
High-moisture is converted into the probability of drop, and the main trapping object of device is the original drop of flue gas and the new drop formed；Device
Catch the effect that water principle is mainly centrifugal force and inertia by drop；Water is caught for power-plant flue gas, industrial applications are realized.
Brief description of the drawings
Illustrate innovative principle of the present utility model and the technical advantage compared to existing product in order to clear, below by way of
Accompanying drawing illustrates a possible embodiment by the non-limiting examples of the application principle.In figure：
Fig. 1 is the structural representation of flue gas water capturing installation of the present utility model；
Fig. 2 is the pipe structure for cooling schematic diagram in Fig. 1；
Fig. 3 is the schematic diagram of water capturing installation of the present utility model；
1- boilers；2- inlet air of boiler or filling pipe；3- desulphurization systems；The air-introduced machines of 4- first or feed pump；5- water capturing installations；
6- air inlet pipe；7- cooling pipe networks；8- blast pipes；The air-introduced machines of 9- second；10- liquid level gauges；11- magnetic valves；12- header tanks；13- revolves
Flow device；14- chimneys；15- drops.
Embodiment
A kind of coal-fired plant flue gas water capturing installation, referring to Fig. 1-2, including cyclone, the side wall of cyclone is provided with air inlet pipe,
The upper end of cyclone is provided with blast pipe, and the junction of blast pipe and cyclone is provided with the second air-introduced machine.Provided with many inside cyclone
Layer cooling pipe network, cooling pipe network is the pipeline of multilayer arranged crosswise, and the import of cooling pipe network is connected with conveying device.
Conveying device is the first air-introduced machine, and the cold wind of the first air-introduced machine is returned quoted from inlet air of boiler after cold wind heat exchange heating
The air inlet system of boiler.Or, conveying device is water pump, and the cooling aqueous medium of water pump is quoted from boiler feedwater, cooling water heat exchange
The water charging system of boiler is returned after heating.
The bottom of cyclone sets liquid level gauge, and the lower end outlet of cyclone is provided with magnetic valve, when liquid level exceedes setting value, electricity
Magnet valve is opened, and realizes automatically controlling for draining.The lower end outlet of cyclone is connected with header tank, and the lower end of header tank is provided with drainage
Pipe, conveniently catches sump storage and reuse.
Valve is respectively equipped with the flue of air inlet pipe and blast pipe, makes water capturing installation independently of power plant's production system, it is to avoid
Existing system is impacted.
It is a kind of that water method is caught based on coal-fired plant flue gas water capturing installation, referring to Fig. 3, draw the saturation after part wet desulfurization
Flue gas enters water capturing installation, and flue gas in swirling motion and is contacted and changed with cyclone wall and multilayer cooling tube in water capturing installation
Heat, flue gas moisture is condensed on pipe network and wall or supersaturation precipitation is droplet, and grows into big drop by mutually colliding,
Wall or cyclone bottom are moved in the presence of centrifugal force and inertia force, and is finally collected in bottom.
Obviously, above-described embodiment is only intended to clearly illustrate the utility model example, and is not to this reality
With the restriction of new embodiment.For those of ordinary skill in the field, on the basis of the above description can be with
Make other various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to
Among the obvious changes or variations that the utility model spirit is extended out is still in protection domain of the present utility model.
Claims (9)
1. a kind of coal-fired plant flue gas water capturing installation, it is characterised in that including cyclone, the side wall of cyclone is provided with air inlet pipe,
The upper end of cyclone, which is provided with inside blast pipe, cyclone, is provided with multilayer cooling pipe network, and cooling pipe network is the pipe of multilayer arranged crosswise
Road, the import of cooling pipe network is connected with conveying device.
2. coal-fired plant flue gas water capturing installation according to claim 1, it is characterised in that described conveying device is first
Air-introduced machine, the cold wind of the first air-introduced machine is quoted from inlet air of boiler.
3. coal-fired plant flue gas water capturing installation according to claim 2, it is characterised in that after described cold wind heat exchange heating
Return to the air inlet system of boiler.
4. coal-fired plant flue gas water capturing installation according to claim 1, it is characterised in that described conveying device is water
Pump, the cooling aqueous medium of water pump is quoted from boiler feedwater.
5. coal-fired plant flue gas water capturing installation according to claim 4, it is characterised in that described cooling water heat exchange heating
The water charging system of boiler is returned afterwards.
6. the coal-fired plant flue gas water capturing installation according to any one of claim 3 or 5, it is characterised in that described exhaust
The junction of pipe and cyclone is provided with the second air-introduced machine.
7. coal-fired plant flue gas water capturing installation according to claim 6, it is characterised in that the bottom of described cyclone is set
Put liquid level gauge, the lower end outlet of cyclone is provided with magnetic valve, when liquid level exceedes setting value, magnetic valve is opened, realize draining from
Dynamic control.
8. coal-fired plant flue gas water capturing installation according to claim 7, it is characterised in that brought out under described cyclone
Mouth is connected with header tank, and the lower end of header tank is provided with drainage tube.
9. coal-fired plant flue gas water capturing installation according to claim 8, it is characterised in that described air inlet pipe and blast pipe
Flue in be respectively equipped with valve, make water capturing installation independently of power plant's production system, it is to avoid existing system is impacted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720161152.9U CN206543469U (en) | 2017-02-22 | 2017-02-22 | A kind of coal-fired plant flue gas water capturing installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720161152.9U CN206543469U (en) | 2017-02-22 | 2017-02-22 | A kind of coal-fired plant flue gas water capturing installation |
Publications (1)
| Publication Number | Publication Date |
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| CN206543469U true CN206543469U (en) | 2017-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720161152.9U Expired - Fee Related CN206543469U (en) | 2017-02-22 | 2017-02-22 | A kind of coal-fired plant flue gas water capturing installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106669290A (en) * | 2017-02-22 | 2017-05-17 | 中国大唐集团科学技术研究院有限公司华中分公司 | Water catching device and water catching method for flue gas produced in coal-fired power plant |
-
2017
- 2017-02-22 CN CN201720161152.9U patent/CN206543469U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106669290A (en) * | 2017-02-22 | 2017-05-17 | 中国大唐集团科学技术研究院有限公司华中分公司 | Water catching device and water catching method for flue gas produced in coal-fired power plant |
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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: 20171010 |