CN206404575U - A kind of device that chimney white cigarette is eliminated applied to coal-burning power plant - Google Patents
A kind of device that chimney white cigarette is eliminated applied to coal-burning power plant Download PDFInfo
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- CN206404575U CN206404575U CN201621435602.0U CN201621435602U CN206404575U CN 206404575 U CN206404575 U CN 206404575U CN 201621435602 U CN201621435602 U CN 201621435602U CN 206404575 U CN206404575 U CN 206404575U
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Abstract
The utility model discloses a kind of device that chimney white cigarette is eliminated applied to coal-burning power plant, including desulfurizing tower, desulfurizing tower is connected with temperature descending section heat exchanger, temperature descending section heat exchanger is connected by fume pipe with warming-up section heat exchanger, flue demister is provided with fume pipe between temperature descending section heat exchanger and warming-up section heat exchanger, warming-up section heat exchanger is connected with chimney；Also include generator, generator is connected by steam pipe with the steam inlet of warming-up section heat exchanger, and warming-up section heat exchanger is connected by pipeline with temperature descending section heat exchanger, and temperature descending section heat exchanger is connected with absorber, absorber is connected by return duct with generator, and solution pump is provided with return duct.The utility model can eliminate the white flue gas of coal-burning power plant's generation under low temperature, high humidity environment, can effectively remove the sulfur dioxide in flue gas, remove smoke middle aerosol particle, improve efficiency of dust collection, reduce energy resource consumption.
Description
Technical field
The utility model is related to a kind of device that chimney white cigarette is eliminated applied to coal-burning power plant, belongs to dust-removal and desulfurizing technology neck
Domain.
Background technology
China is consumption of coal big country, and coal fire discharged sulfur dioxide and Dust Capacity is ranked the first in the world, and is thereby resulted in
Air pollution problems inherent becomes increasingly conspicuous, and administers the major issue that sulfur dioxide and dust emission are current China environmental protection work.
The proportion that the sulfur dioxide (SO2) emissions in thermal power plant account for whole SO2 emissions is at a relatively high, according to statistics coal-burned industrial boiler
SO2 emissions account for national SO2 emissions and reach 40% or so.Therefore, thermal power generation flue-gas dust-removing and desulfurization is control
The important measures of sulfur dioxide processed, dust pollution.But, there is efficiency of dust collection in the dust-removal and desulfurizing technology in current thermal power plant
Low, desulfurizing tower water consumption is high, the low problem of boiler efficiency.
Utility model content
The purpose of this utility model is that it can be with there is provided a kind of device that chimney white cigarette is eliminated applied to coal-burning power plant
The white flue gas that coal-burning power plant is produced is eliminated under low temperature, high humidity environment, the sulfur dioxide in flue gas can be effectively removed, eliminate
Aerosol particle in flue gas.
In order to solve the above technical problems, the utility model is adopted the following technical scheme that：One kind disappears applied to coal-burning power plant
Except the device of chimney white cigarette, including desulfurizing tower, desulfurizing tower is connected with temperature descending section heat exchanger, temperature descending section heat exchanger by fume pipe with
Warming-up section heat exchanger is connected, and flue demister is provided with the fume pipe between temperature descending section heat exchanger and warming-up section heat exchanger, is risen
Temperature section heat exchanger is connected with chimney；Also include generator, generator is connected by the steam inlet of steam pipe and warming-up section heat exchanger
Connect, warming-up section heat exchanger is connected by pipeline with temperature descending section heat exchanger, temperature descending section heat exchanger is connected with absorber, and absorber passes through
Return duct is connected with generator, and solution pump is provided with return duct.
In the foregoing this device that chimney white cigarette is eliminated applied to coal-burning power plant, the exit of the chimney is provided with certainly
The temperature-detecting device and humidity detector of dynamic measurement.Warming-up section heat exchanger, temperature-detecting device and humidity detector are equal
It is connected with computer control system.The flue-gas temperature value detected is fed back to computer control system by temperature-detecting device；Together
The smoke moisture value detected is fed back to computer control system by reason humidity detector, according to the flue-gas temperature value of feedback and
Smoke moisture value, computer control system calculates flue gas warming-up section institute calorific requirement automatically, according to the flue gas warming-up section calculated
The flue gas of flue demister is passed through in institute's calorific requirement, computer control system control warming-up section heat exchanger heating so that the temperature of flue gas
Degree lifting eliminates the temperature of white cigarette to satisfaction.
To ensure the white cigarette for thoroughly eliminating chimney outlet, flue gas can be heated in warming-up section heat exchanger make state point
Temperature when line CD and humid air saturation curve minimum spacing are 3 DEG C to 10 DEG C, as shown below, A points are de- in figure below
The state point of sulphur tower exit saturation wet flue gas；B points are that the smoke behavior point of temperature and water capacity is reduced through step S01, and C points are
Smoke behavior point after being heated up in warming-up section heat exchanger, D points are the ambient condition point of chimney outlet.
At a certain temperature, the partial pressure of vapor is higher in humid air, and its absolute humidity is bigger.But, in a constant temperature
The partial pressure of the lower vapor of degree can not possibly exceed its corresponding saturation pressure, and because reaching during saturation pressure, vapor starts to condense.
Therefore, when vapor reaches saturation, humid air has absolute humidity maximum at this temperature, and humid air at this moment is referred to as saturation sky
Gas.Different temperatures, the line of saturated air water capacity is humid air saturation curve.
In the foregoing this device that chimney white cigarette is eliminated applied to coal-burning power plant, in addition to water leg, water leg and drop
The drain outlet connection of temperature section heat exchanger.Saturation wet flue gas through desulfurizing tower scrubbing CO_2 is cold in temperature descending section heat exchanger
But, the water that saturation wet flue gas is produced during cooling is collected by water leg, is used to by the collected water of water leg
Recycle, reduce the water consumption of power plant.
In the foregoing this device that chimney white cigarette is eliminated applied to coal-burning power plant, the generator is by delivery pipe with inhaling
Receive device connection.
In the foregoing this device that chimney white cigarette is eliminated applied to coal-burning power plant, the temperature descending section heat exchanger and warming-up section
Choke valve is provided with pipeline between heat exchanger.
Compared with prior art, the utility model can be eliminated under low temperature, high humidity environment from the discharge of coal-burning power plant's chimney
White flue gas, can effectively remove the sulfur dioxide in flue gas, remove smoke in aerosol particle, improve dedusting effect
Rate；By the way that temperature descending section heat exchanger is connected with desulfurizing tower, make saturation wet flue gas after desulfurizing tower scrubbing CO_2, pass through cooling
Flue gas of the section heat exchanger cooling through desulfurization, and the water for cooling down out recycling is collected by water leg；And the water of condensation steams
Gas can be attached to fine dust surface, increase the volume and quality of dust granule, it is captured when by flue demister
Remove, and then efficiency of dust collection can be improved；By being arranged on the temperature-detecting device and humidity detector of chimney breast, according to spy
The temperature value and humidity value of survey, calculate flue gas increasing extent of temperature, so as to adjust warming-up section heat exchange in time by computer control system
The increasing extent of temperature of flue gas in device, reduces the irrational consumption of the energy.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of the utility model.
Reference：1- generators, 2- solution pumps, 3- choke valves, 4- steam pipes, 5- temperature descending section heat exchangers, 6- warming-up sections
Heat exchanger, 7- flue demisters, 8- pipelines, 9- desulfurizing towers, 10- temperature-detecting devices, 11- humidity detectors, 12- chimneys,
13- water legs, 14- absorbers, 15- return ducts, 16- fume pipes, 17- delivery pipes.
The utility model is further described with reference to the accompanying drawings and detailed description.
Embodiment
Embodiment 1 of the present utility model：A kind of device that chimney white cigarette is eliminated applied to coal-burning power plant, including desulfurizing tower 9,
Desulfurizing tower 9 is connected with temperature descending section heat exchanger 5, and temperature descending section heat exchanger 5 is connected by fume pipe 16 with warming-up section heat exchanger 6, cooling
Flue demister 7, warming-up section heat exchanger 6 and chimney are provided with fume pipe 16 between section heat exchanger 5 and warming-up section heat exchanger 6
12 connections；Also include generator 1, generator 1 is connected by steam pipe 4 with the steam inlet of warming-up section heat exchanger 6, and warming-up section is changed
Hot device 6 is connected by pipeline 8 with temperature descending section heat exchanger 5, and temperature descending section heat exchanger 5 is connected with absorber 14, and absorber 14 is by returning
Flow tube 15 is connected with generator 1, and solution pump 2 is provided with return duct 15.The exit of chimney 12 is provided with the temperature of automatic measurement
Spend detection means 10 and humidity detector 11.
Embodiment 2 of the present utility model：A kind of device that chimney white cigarette is eliminated applied to coal-burning power plant, including desulfurizing tower 9,
Desulfurizing tower 9 is connected with temperature descending section heat exchanger 5, and temperature descending section heat exchanger 5 is connected by fume pipe 16 with warming-up section heat exchanger 6, cooling
Flue demister 7, warming-up section heat exchanger 6 and chimney are provided with fume pipe 16 between section heat exchanger 5 and warming-up section heat exchanger 6
12 connections；Also include generator 1, generator 1 is connected by steam pipe 4 with the steam inlet of warming-up section heat exchanger 6, and warming-up section is changed
Hot device 6 is connected by pipeline 8 with temperature descending section heat exchanger 5, and temperature descending section heat exchanger 5 is connected with absorber 14, and absorber 14 is by returning
Flow tube 15 is connected with generator 1, and solution pump 2 is provided with return duct 15.The exit of chimney 12 is provided with the temperature of automatic measurement
Spend detection means 10 and humidity detector 11.
Further, in addition to water leg 13, water leg 13 is connected with the drain outlet of temperature descending section heat exchanger 5.
Further, generator 1 is connected by delivery pipe 17 with absorber 14.Temperature descending section heat exchanger 5 and warming-up section heat exchange
Choke valve 3 is provided with pipeline 8 between device 6.
Operation principle of the present utility model：
Then saturation wet flue gas absorbs heat in temperature descending section heat exchanger 5 through the scrubbing CO_2 of desulfurizing tower 9 by heating agent,
Cooling down part water, reduces the water capacity of saturation wet flue gas, and the flue gas for reducing temperature and water capacity passes through flue demister
7, aerosol particle and the small water droplet of liquid are removed in flue demister 7, then through removing aerosol particle and the small water droplet of liquid
Flue gas in the warming-up section heat exchanger 6 using heating agent heating, increasing extent of temperature is according to temperature-detecting device 10 and humidity detector
The flue-gas temperature value and smoke moisture value in chimney 12 exits of 11 detections are controlled, and make the flue gas in warming-up section heat exchanger 6 can
It is warming up to the temperature for meeting and eliminating white cigarette.
The heating agent used in said process, is to be heated using vapor in generator 1 with certain density LiBr water
Solution, makes wherein to be evaporated as the water section of heating agent refrigerant, is then delivered to warming-up section heat exchanger 6 by steam pipe 4
Condensation turns into aqueous water, and the aqueous water of condensation is depressured through pipeline 8 by choke valve 3, aqueous water is changed into water vapour through decompression,
Then evaporated in temperature descending section heat exchanger 5, so as to absorb the heat of the saturation wet flue gas through scrubbing CO_2.The water of evaporation steams
Gas transports to absorber 14, and remaining LiBr concentrated solutions absorb in generating process is completed during absorber 14 is interior by generator 1, make
LiBr concentrated solutions are restored to the certain density LiBr aqueous solution needed for generator 1, and generator 1 is sent to by solution pump 2
It is middle to recycle.
Claims (5)
1. a kind of device that chimney white cigarette is eliminated applied to coal-burning power plant, it is characterised in that including desulfurizing tower (9), the desulfurization
Tower (9) is connected with temperature descending section heat exchanger (5), and temperature descending section heat exchanger (5) is connected by fume pipe (16) and warming-up section heat exchanger (6)
Connect, flue demister (7) be provided with the fume pipe (16) between the temperature descending section heat exchanger (5) and warming-up section heat exchanger (6),
The warming-up section heat exchanger (6) connects with chimney (12)；
Also include generator (1), generator (1) is connected by steam pipe (4) with the steam inlet of warming-up section heat exchanger (6), rise
Temperature section heat exchanger (6) is connected by pipeline (8) with temperature descending section heat exchanger (5), the temperature descending section heat exchanger (5) and absorber (14)
Connection, absorber (14) is connected by return duct (15) with generator (1), and solution pump (2) is provided with the return duct (15).
2. a kind of device that chimney white cigarette is eliminated applied to coal-burning power plant according to claim 1, it is characterised in that described
The exit of chimney (12) is provided with the temperature-detecting device (10) and humidity detector (11) of automatic measurement.
3. a kind of device that chimney white cigarette is eliminated applied to coal-burning power plant according to claim 2, it is characterised in that also wrap
Water leg (13) is included, the water leg (13) is connected with the drain outlet of temperature descending section heat exchanger (5).
4. a kind of device that chimney white cigarette is eliminated applied to coal-burning power plant according to claim 3, it is characterised in that described
Generator (1) is connected by delivery pipe (17) with the absorber (14).
5. a kind of device that chimney white cigarette is eliminated applied to coal-burning power plant according to claim 1 or 4, it is characterised in that
Choke valve (3) is provided with pipeline (8) between the temperature descending section heat exchanger (5) and warming-up section heat exchanger (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621435602.0U CN206404575U (en) | 2016-12-26 | 2016-12-26 | A kind of device that chimney white cigarette is eliminated applied to coal-burning power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621435602.0U CN206404575U (en) | 2016-12-26 | 2016-12-26 | A kind of device that chimney white cigarette is eliminated applied to coal-burning power plant |
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| Publication Number | Publication Date |
|---|---|
| CN206404575U true CN206404575U (en) | 2017-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621435602.0U Active CN206404575U (en) | 2016-12-26 | 2016-12-26 | A kind of device that chimney white cigarette is eliminated applied to coal-burning power plant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042061A (en) * | 2016-12-26 | 2017-08-15 | 中国华电科工集团有限公司 | A kind of method and device that chimney white cigarette is eliminated applied to coal-burning power plant |
| CN108671711A (en) * | 2018-08-23 | 2018-10-19 | 青岛特利尔环保股份有限公司 | A kind of device for eliminating boiler desulfurization flue gas white plume |
-
2016
- 2016-12-26 CN CN201621435602.0U patent/CN206404575U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042061A (en) * | 2016-12-26 | 2017-08-15 | 中国华电科工集团有限公司 | A kind of method and device that chimney white cigarette is eliminated applied to coal-burning power plant |
| CN108671711A (en) * | 2018-08-23 | 2018-10-19 | 青岛特利尔环保股份有限公司 | A kind of device for eliminating boiler desulfurization flue gas white plume |
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