CN216986823U - Intelligent coal fired power plant flue gas dehumidification emission reduction device - Google Patents

Intelligent coal fired power plant flue gas dehumidification emission reduction device Download PDF

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CN216986823U
CN216986823U CN202220503831.0U CN202220503831U CN216986823U CN 216986823 U CN216986823 U CN 216986823U CN 202220503831 U CN202220503831 U CN 202220503831U CN 216986823 U CN216986823 U CN 216986823U
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flue gas
gas treatment
case
emission reduction
filter screen
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张强
张乐天
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China Bluelink Jiangsu Engineering Co ltd
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China Bluelink Jiangsu Engineering Co ltd
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Abstract

The utility model discloses an intelligent coal-fired power plant flue gas dehumidification and emission reduction device, which belongs to the technical field of flue gas treatment devices and comprises a flue gas treatment box, a flue gas inlet, an auxiliary air inlet and a flue gas exhaust port, wherein the flue gas inlet and the auxiliary air inlet are fixedly connected to one end of the flue gas treatment box and are communicated with the inside of the flue gas treatment box, the flue gas exhaust port is fixedly connected to the other end of the flue gas treatment box and is communicated with the inside of the flue gas treatment box, a desulfurization chamber, an ash deposition chamber, a purification chamber and a filter chamber are arranged in the flue gas treatment box, and a dehumidifier is also arranged in the flue gas treatment box, so that the flue gas dehumidification, the ash deposition chamber, the purification chamber and the filter chamber can well dehumidify, the quality of the treated flue gas is greatly reduced, and the discharged flue gas can reach the national environmental protection standard, the environmental protection performance of the flue gas dehumidification emission reduction device is effectively improved.

Description

Intelligent coal fired power plant flue gas dehumidification emission reduction device
Technical Field
The utility model belongs to the technical field of flue gas treatment devices, and particularly relates to an intelligent coal-fired power plant flue gas dehumidification and emission reduction device.
Background
At present, the environmental pollution condition of China is not optimistic, but a coal-fired power plant also has the responsibility of being undetachable, a large amount of flue gas can be generated in the combustion power generation process of the coal-fired power plant, when the wet flue gas passes through a downstream flue and a chimney, water can be condensed when the wet flue gas meets cold and various acidic substances are dissolved, low-temperature corrosion is caused on the downstream flue and the chimney, in addition, a large amount of liquid drops can be quickly condensed near the outlet of the chimney due to sudden temperature drop when the wet flue gas is discharged out of the chimney, the liquid drops settle around the chimney, and the liquid drops contain gypsum which is a wet desulphurization product and is commonly called gypsum rain, the gypsum rain generated by directly discharging the wet flue gas through the chimney can cause the pollution of the surrounding environment, so how to treat the flue gas generated in the coal-fired power generation process becomes a key problem;
the existing flue gas dehumidification emission reduction device for the coal-fired power plant has lower dehumidification emission reduction efficiency in the use process, and can not well perform harmful substance filtration treatment on flue gas while performing dehumidification emission reduction, so that the treated flue gas still cannot reach the environmental protection standard and is very unfavorable for environmental protection.
SUMMERY OF THE UTILITY MODEL
The utility model provides an intelligent flue gas dehumidification and emission reduction device for a coal-fired power plant, aiming at the problems that the existing flue gas dehumidification and emission reduction device for the coal-fired power plant is low in dehumidification and emission reduction efficiency in the use process, and can not well filter harmful substances in flue gas while performing dehumidification and emission reduction, so that the treated flue gas still can not reach the environmental protection standard and is very unfavorable for environmental protection.
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides an intelligent coal fired power plant flue gas dehumidification emission reduction device, includes flue gas dehumidification emission reduction device, flue gas dehumidification emission reduction device include that the flue gas handles case, flue gas air inlet, auxiliary air inlet and flue gas vent, flue gas air inlet and auxiliary air inlet fixed connection handle the one end of case and with the flue gas and handle the incasement intercommunication at the flue gas, flue gas vent fixed connection handle the other end of case and handle the incasement intercommunication with the flue gas at the flue gas, the flue gas handle the incasement and be provided with desulfurization chamber, deposition chamber, purification chamber and filter chamber, the flue gas handle the incasement and still be provided with the dehumidifier.
Preferably, the upper end of flue gas processing case be provided with the desulfurizer and add the box, the desulfurizer add box fixed connection in the upper end of flue gas processing case, and with the desulfurization chamber intercommunication of flue gas processing incasement, the flue gas processing incasement be provided with filtering baffle, filtering baffle fixed connection in the flue gas processing incasement, filtering baffle on be provided with the gas nozzle, gas nozzle fixed connection on filtering baffle and link up with filtering baffle.
Preferably, the lower extreme of desulfurization chamber be provided with the waste liquid export, waste liquid export fixed connection at the lower extreme of desulfurization chamber, the below of waste liquid export be provided with the waste liquid and collect the box, the detachable connection of waste liquid collection box on the waste liquid export.
Preferably, the dehumidifier is arranged on the right side of the filtering baffle in the flue gas treatment box, the dehumidifier is fixedly connected in the flue gas treatment box, the dehumidifier is composed of baffle plates and fixing strips, the fixing strips are fixedly connected on the baffle plates, the fixing strips are formed between the baffle plates, a liquid collection box is arranged under the dehumidifier, and the liquid collection box is detachably connected to the lower end of the flue gas treatment box.
Preferably, the box is handled to flue gas in the deposition intracavity be provided with the deposition board, the deposition board be provided with three and be crisscross formula fixed connection the upper and lower inner wall of box is handled to the flue gas.
Preferably, the flue gas treatment incasement purify the intracavity and be provided with the purifying liquid case, purifying liquid case sliding connection handle the incasement at the flue gas, the lateral wall of purifying liquid case on be provided with the slider, slider fixed connection on the lateral wall of purifying liquid case, the lateral wall of flue gas treatment case on be provided with the spout, the shape and specification and the slider looks adaptation of spout, the purifying liquid case use sliding connection in the flue gas treatment incasement through the cooperation of the slider that is provided with and spout.
Preferably, the flue gas handle the filter chamber of incasement in be provided with grit filter screen and active carbon filter screen, grit filter screen and active carbon filter screen peg graft and fix at the flue gas and handle the incasement, the upper end of grit filter screen be provided with first limiting plate, first limiting plate fixed connection in the upper end of grit filter screen, the upper end of active carbon filter screen be provided with the second limiting plate, second limiting plate fixed connection in the upper end of active carbon filter screen.
Preferably, the flue gas is handled and is provided with first inserting groove and second inserting groove directly over the filter chamber on the case, the shape size and grit filter screen and active carbon filter screen looks adaptation of first inserting groove and second inserting groove, grit filter screen and active carbon filter screen use the grafting to handle the incasement and carry out spacing fixed through first limiting plate and second limiting plate at the flue gas through the cooperation of first inserting groove and second inserting groove.
Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
1) the intelligent coal-fired power plant flue gas dehumidification emission reduction device is used through the cooperation of the components such as auxiliary air inlet, dehumidifier, grit filter screen and active carbon filter screen that are provided with, can make flue gas dehumidification emission reduction device dehumidify and filter emission reduction to the flue gas well in the use to make the flue gas quality after handling significantly reduce.
2) The intelligent coal-fired power plant flue gas dehumidification emission reduction device is used in cooperation with the components such as the desulfurization chamber, the ash deposition chamber and the purification chamber, and the flue gas can be subjected to good filtration adsorption treatment in the dehumidification emission reduction process, so that the discharged flue gas can reach the national environmental protection standard, and the environmental protection performance of the flue gas dehumidification emission reduction device is effectively improved.
Drawings
FIG. 1 is a schematic structural diagram of a flue gas dehumidification and emission reduction device according to the present invention;
FIG. 2 is a structural sectional view of the flue gas dehumidification and emission reduction device of the present invention;
FIG. 3 is a schematic view showing the construction of a dehumidifier according to the present invention;
FIG. 4 is a partial structure exploded view of the flue gas dehumidification and emission reduction device of the present invention.
The corresponding relationship between the reference numbers of the figures and the names of the components in the figures is as follows:
in the figure: 100. a flue gas dehumidification and emission reduction device; 1. a flue gas treatment box; 2. a flue gas inlet; 3. an auxiliary air inlet; 4. a flue gas exhaust port; 5. a desulfurizer addition box; 6. a desulfurization chamber; 7. a filtering baffle; 8. a flue gas nozzle; 9. a waste liquid outlet; 10. a waste liquid collection box; 11. a dehumidifier; 12. a baffle plate; 13. a fixing strip; 14. a partition channel; 15. a liquid collection box; 16. an ash accumulation cavity; 17. a purification chamber; 18. a filter chamber; 19. a dust accumulation plate; 20. a purified liquid tank; 21. a slider; 22. a chute; 23. a sandstone filter screen; 24. an active carbon filter screen; 25. a first limit plate; 26. a second limiting plate; 27. a first insertion groove; 28. a second inserting groove.
Detailed Description
The utility model is further described below in connection with specific embodiments.
Examples
As shown in fig. 1 to 4, which are schematic structural views of an intelligent coal-fired power plant flue gas dehumidification and emission reduction device in a preferred embodiment of the present invention, a flue gas dehumidification and emission reduction device 100 in this embodiment includes a flue gas treatment box 1, a flue gas inlet 2, an auxiliary air inlet 3, and a flue gas exhaust port 4, where the flue gas inlet 2 and the auxiliary air inlet 3 are fixedly connected to one end of the flue gas treatment box 1 and are communicated with the inside of the flue gas treatment box 1, the flue gas exhaust port 4 is fixedly connected to the other end of the flue gas treatment box 1 and is communicated with the inside of the flue gas treatment box 1, and a desulfurization chamber 6, an ash deposition chamber 16, a purification chamber 17, and a filtration chamber 18 are arranged in the flue gas treatment box 1.
The upper end of flue gas processing case 1 be provided with the desulfurizer and add box 5, the desulfurizer add 5 fixed connection in the upper end of flue gas processing case 1, and with 6 intercommunications of desulfurization chamber in the flue gas processing case 1, flue gas processing case 1 in be provided with filtering baffle 7, filtering baffle 7 fixed connection in flue gas processing case 1, filtering baffle 7 on be provided with gas nozzle 8, 8 fixed connection of gas nozzle on filtering baffle 7 and link up with filtering baffle 7 for carry via gas nozzle 8 again after the desulfurization of flue gas through desulfurization chamber 6.
The lower extreme of desulfurization chamber 6 be provided with waste liquid outlet 9, 9 fixed connection of waste liquid outlet at the lower extreme of desulfurization chamber 6, the below of waste liquid outlet 9 be provided with waste liquid and collect box 10, the detachable connection of waste liquid collection box 10 on waste liquid outlet 9 for the desulfurizer waste liquid in desulfurization chamber 6 is collected to the back after 6 work completions in desulfurization chamber and is handled.
The right side of filtering baffle 7 in case 1 is provided with dehumidifier 11 in the flue gas treatment tank 1, dehumidifier 11 fixed connection in case 1 is handled to the flue gas, dehumidifier 11 constitute through baffling board 12 and the fixed strip 13 that is provided with, fixed strip 13 fixed connection on baffling board 12, baffling board 12 between be formed with fixed strip 13 for make the vapor in the hot flue gas condense and form the liquid drop and fall under the circumstances of steering force, gravity and adsorption when making the hot flue gas pass through interval passageway 14, thereby reached the dehumidification effect to the flue gas, dehumidifier 11 under be provided with liquid collection box 15, liquid collection box 15 detachable connection the lower extreme at case 1 is handled to the flue gas.
The flue gas handle the case 1 in the deposition chamber 16 in be provided with deposition board 19, deposition board 19 be provided with three and be staggered formula fixed connection and handle the upper and lower inner wall of case 1 at the flue gas for the flue gas utilizes deposition board 19 to adsorb the collection to the dust in the flue gas during through-process.
The flue gas treatment case 1 in the purification chamber 17 in be provided with purifying liquid case 20, purifying liquid case 20 sliding connection handle the case 1 at the flue gas in, purifying liquid case 20's lateral wall on be provided with slider 21, slider 21 fixed connection on purifying liquid case 20's lateral wall, the flue gas handle the lateral wall of case 1 on be provided with spout 22, spout 22 shape and specification and slider 21 looks adaptation, purifying liquid case 20 use sliding connection in the flue gas treatment case 1 through slider 21 that is provided with and spout 22's cooperation for make the flue gas can utilize the purifying liquid that purifying liquid case 20 is built-in to react with the flue gas when purifying chamber 17 to make the harmful substance of flue gas deposit.
The flue gas treatment case 1 in be provided with grit filter screen 23 and active carbon filter screen 24 in the filter chamber 18, grit filter screen 23 and active carbon filter screen 24 peg graft and fix in flue gas treatment case 1, the upper end of grit filter screen 23 be provided with first limiting plate 25, first limiting plate 25 fixed connection in the upper end of grit filter screen 23, active carbon filter screen 24's upper end be provided with second limiting plate 26, second limiting plate 26 fixed connection in active carbon filter screen 24's upper end for can utilize grit filter screen 23 and active carbon filter screen 24 to filter the impurity particle in the flue gas when making the flue gas pass through filter chamber 18, thereby reach flue gas emission reduction's purpose.
Flue gas treatment case 1 on filter chamber 18 be provided with first inserting groove 27 and second inserting groove 28 directly over, the shape size and grit filter screen 23 and active carbon filter screen 24 looks adaptation of first inserting groove 27 and second inserting groove 28, grit filter screen 23 and active carbon filter screen 24 use the cooperation of pegging graft through first inserting groove 27 and second inserting groove 28 to peg graft and carry out spacing fixed in flue gas treatment case 1 and through first limiting plate 25 and second limiting plate 26 for can be convenient for install and dismantle grit filter screen 23 and active carbon filter screen 24, and then be convenient for change and clear up grit filter screen 23 and active carbon filter screen 24.
In the embodiment, when the flue gas dehumidification and emission reduction device 100 is required to be used for carrying out the flue gas dehumidification and emission reduction operation, firstly, a desulfurizer is added into a desulfurization chamber 6 in a flue gas treatment box 1 through a desulfurizer addition box 5, then the flue gas to be treated is conveyed into the flue gas treatment box 1 through a flue gas inlet 2, meanwhile, combustion-supporting air is added into the flue gas treatment box 1 through an auxiliary air inlet 3, when the combustion-supporting air and hot flue gas meet, the combustion-supporting air and the hot flue gas are violent and mixed, so that a large amount of water vapor exists in flue gas mixed gas, when the flue gas mixed gas passes through the desulfurization chamber 6, the flue gas mixed gas is desulfurized through the desulfurizer and then conveyed through a flue gas nozzle 8, when the mixed flue gas passes through a dehumidifier 11 in the flue gas treatment box 1, the water vapor in the flue gas is condensed under the conditions of turning force, gravity and adsorption action when the mixed flue gas passes through a spacing channel 14, and the water vapor in the hot flue gas is condensed to form liquid drops which fall into a liquid collection box 15, therefore, the dehumidification of the flue gas is realized, the flue gas is adsorbed by the ash deposition plate 19 to take out dust particles of the flue gas when passing through the ash deposition cavity 16, then the flue gas is reacted with the purifying liquid in the purifying liquid tank 20 and causes harmful chemical substances in the flue gas to react and precipitate when passing through the purifying cavity 17, and finally the purified flue gas is filtered by the filtering action of the sand filter screen 23 and the activated carbon filter screen 24 when passing through the filter cavity 18 and then discharged to the flue gas exhaust port 4, so that the aim of filtering and emission reduction is achieved. Therefore, the quality of the treated flue gas is greatly reduced, and the flue gas can be well filtered and adsorbed in the dehumidification and emission reduction process by matching the components such as the desulfurization chamber 6, the ash deposition chamber 16 and the purification chamber 17, so that the discharged flue gas can reach the national environmental standard, and the environmental protection performance of the flue gas dehumidification and emission reduction device 100 is effectively improved.
While the utility model has been described in further detail with reference to specific embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (8)

1. An intelligent coal-fired power plant flue gas dehumidification emission reduction device comprises a flue gas dehumidification emission reduction device (100);
the method is characterized in that:
flue gas dehumidification emission reduction device (100) including flue gas treatment case (1), flue gas inlet (2), auxiliary air inlet (3) and flue gas vent (4), flue gas inlet (2) and auxiliary air inlet (3) fixed connection communicate in the one end of flue gas treatment case (1) and with flue gas treatment case (1), flue gas vent (4) fixed connection communicate in the other end of flue gas treatment case (1) and with flue gas treatment case (1), flue gas treatment case (1) in be provided with desulfurization chamber (6), deposition chamber (16), purification chamber (17) and filter chamber (18), flue gas treatment case (1) in still be provided with dehumidifier (11).
2. The intelligent coal-fired power plant flue gas dehumidification and emission reduction device of claim 1, which is characterized in that: the upper end of flue gas processing case (1) be provided with the desulfurizer and add box (5), the desulfurizer add box (5) fixed connection in the upper end of flue gas processing case (1), and with flue gas processing desulfurization chamber (6) intercommunication in case (1), flue gas processing case (1) in be provided with filtering baffle (7), filtering baffle (7) fixed connection in flue gas processing case (1), filtering baffle (7) on be provided with gas nozzle (8), gas nozzle (8) fixed connection on filtering baffle (7) and link up with filtering baffle (7).
3. The intelligent coal-fired power plant flue gas dehumidification and emission reduction device of claim 2, which is characterized in that: the lower extreme of desulfurization chamber (6) be provided with waste liquid export (9), waste liquid export (9) fixed connection at the lower extreme of desulfurization chamber (6), the below of waste liquid export (9) be provided with waste liquid and collect box (10), waste liquid collect box (10) detachable connection on waste liquid export (9).
4. The intelligent coal-fired power plant flue gas dehumidification and emission reduction device of claim 1, wherein: dehumidifier (11) set up the right side of filtering baffle (7) in flue gas treatment box (1), dehumidifier (11) fixed connection in flue gas treatment box (1), dehumidifier (11) constitute through baffling board (12) and the fixed strip (13) that are provided with, fixed strip (13) fixed connection on baffling board (12), baffling board (12) between be formed with fixed strip (13), dehumidifier (11) under be provided with liquid collection box (15), liquid collection box (15) detachable connection at the lower extreme that flue gas treatment box (1).
5. The intelligent coal-fired power plant flue gas dehumidification and emission reduction device of claim 1, which is characterized in that: the flue gas treatment box (1) is internally provided with an ash deposition plate (19) in an ash deposition cavity (16), wherein the ash deposition plate (19) is provided with three and staggered fixed connections on the upper and lower inner walls of the flue gas treatment box (1).
6. The intelligent coal-fired power plant flue gas dehumidification and emission reduction device of claim 1, wherein: the flue gas treatment box (1) in be provided with purifying liquid case (20) in purifying chamber (17), purifying liquid case (20) sliding connection in flue gas treatment box (1), the lateral wall of purifying liquid case (20) on be provided with slider (21), slider (21) fixed connection on the lateral wall of purifying liquid case (20), the lateral wall of flue gas treatment box (1) on be provided with spout (22), the shape specification and the slider (21) looks adaptation of spout (22), purifying liquid case (20) use sliding connection in flue gas treatment box (1) through the cooperation of slider (21) and spout (22) that are provided with.
7. The intelligent coal-fired power plant flue gas dehumidification and emission reduction device of claim 1, wherein: the flue gas treatment case (1) in filter chamber (18) in be provided with grit filter screen (23) and active carbon filter screen (24), grit filter screen (23) and active carbon filter screen (24) peg graft and fix in flue gas treatment case (1), the upper end of grit filter screen (23) be provided with first limiting plate (25), first limiting plate (25) fixed connection in the upper end of grit filter screen (23), the upper end of active carbon filter screen (24) be provided with second limiting plate (26), second limiting plate (26) fixed connection in the upper end of active carbon filter screen (24).
8. The intelligent coal-fired power plant flue gas dehumidification and emission reduction device of claim 7, wherein: flue gas treatment case (1) go up filter chamber (18) and be provided with first inserting groove (27) and second inserting groove (28) directly over, the shape size and grit filter screen (23) and active carbon filter screen (24) looks adaptation of first inserting groove (27) and second inserting groove (28), grit filter screen (23) and active carbon filter screen (24) use through the cooperation of first inserting groove (27) and second inserting groove (28) to peg graft and carry out spacing fixed in flue gas treatment case (1) and through first limiting plate (25) and second limiting plate (26).
CN202220503831.0U 2022-03-09 2022-03-09 Intelligent coal fired power plant flue gas dehumidification emission reduction device Active CN216986823U (en)

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CN202220503831.0U CN216986823U (en) 2022-03-09 2022-03-09 Intelligent coal fired power plant flue gas dehumidification emission reduction device

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Application Number Priority Date Filing Date Title
CN202220503831.0U CN216986823U (en) 2022-03-09 2022-03-09 Intelligent coal fired power plant flue gas dehumidification emission reduction device

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