CN211837237U

CN211837237U - Wet desulphurization device

Info

Publication number: CN211837237U
Application number: CN202020064868.9U
Authority: CN
Inventors: 董玉奇; 张劲; 魏伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-11-03
Anticipated expiration: 2030-01-13

Abstract

The utility model provides a wet desulphurization device, including desulfurization tower body, dehumidification tower body and chimney, the desulfurization tower body includes upper tower body, toper transition portion and lower tower body, the inside of lower tower body forms the thick liquid pond, be equipped with the inner tube in the upper tower body, the bottom opening of inner tube, the upper end of one side of upper tower body is equipped with the air inlet, the top of upper tower body is equipped with the gas outlet that communicates with the inner tube, be equipped with first thick liquid shower between the outer wall of inner tube and the upper tower body inner wall, a plurality of second thick liquid showers in the inner tube, be equipped with a plurality of demisters above the second thick liquid shower; the inside dehumidification barrel that is equipped with of dehumidification tower body, the bottom opening of dehumidification barrel, the upper end of dehumidification tower body one side is equipped with the flue gas inlet, and one side of flue gas inlet is tangent with the outer wall of dehumidification tower body, and the top of dehumidification barrel is equipped with the exhanst gas outlet, and the exhanst gas outlet passes through the pipeline and links to each other with the chimney, and the inside of dehumidification barrel is equipped with the dehumidification and adsorbs the packing layer. The utility model discloses desulfurization dehumidification treatment effect to the flue gas is better.

Description

Wet desulphurization device

Technical Field

The utility model relates to a flue gas purification technical field, concretely relates to wet flue gas desulfurization device.

Background

Sulfur dioxide is a gaseous pollutant with large quantity and wide influence range in the current atmospheric pollutants, and is accompanied by a large amount of SO in the combustion heating process of the industries such as electric power, petrochemical industry, waste incineration and the like₂Generation of SO₂The method has non-negligible influence on the environment, so the flue gas discharged from a heating furnace, a boiler, an incinerator and the like needs to be subjected to desulfurization treatment. In the traditional wet desulphurization device, flue gas and absorption liquid are in countercurrent contact, but the retention time of the flue gas is short, so that the gas-liquid contact time is short, and the mass transfer effect is limited. In addition, the flue gas after wet desulphurization contains a large amount of moisture, so that long 'white tail' can be dragged in the discharging process, and even a certain range of white rain is formed. Therefore, a wet desulfurization apparatus capable of solving the existing problems is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wet desulphurization device aiming at the defects of the prior art.

The utility model provides a following technical scheme:

the utility model provides a wet desulphurization device, includes desulfurization tower body, dehumidification tower body and chimney, the desulfurization tower body pass through the flue with the dehumidification tower body links to each other, the dehumidification tower body with the chimney links to each other, the desulfurization tower body includes tower body, toper transition portion and lower tower body, go up the tower body with link to each other through toper transition portion down between the tower body, the inside of tower body forms the thick liquid pond down, be equipped with the inner tube in going up the tower body, the bottom opening of inner tube, the upper end of going up tower body one side is equipped with the air inlet, the top of going up the tower body be equipped with the communicating gas outlet of inner tube, the outer wall of inner tube with go up and be equipped with first thick liquid shower between the tower body inner wall, a plurality of second thick liquid showers in the inside of inner tube, second thick liquid shower top is equipped with a plurality of demisters, and, the spraying direction of the slurry of the second slurry spraying pipe is downward;

the inside dehumidification barrel that is equipped with of dehumidification tower body, the bottom opening of dehumidification barrel, the upper end of dehumidification tower body one side is equipped with the flue gas inlet, one side of flue gas inlet with the outer wall of dehumidification tower body is tangent, the one end of flue with the gas outlet links to each other, the other end of flue with the flue gas inlet links to each other, the top of dehumidification barrel is equipped with exhanst gas outlet, exhanst gas outlet with the dehumidification barrel communicates with each other, just exhanst gas outlet pass through the pipeline with the chimney links to each other, the inside of dehumidification barrel is equipped with the dehumidification adsorption packing layer.

Preferably, the cross-sectional area of the lower tower body is larger than the cross-sectional area of the upper tower body.

Preferably, a filler support grid plate is arranged in the dehumidification cylinder body, dehumidification adsorption filler is filled on the filler support grid plate, and a stainless steel mesh is further paved on the filler support grid plate.

Preferably, a screen is arranged above the dehumidification adsorption filler layer.

Preferably, the bottom of the dehumidification tower body is provided with a liquid discharge pipe, and the liquid discharge pipe is provided with a valve.

Preferably, an aeration device is arranged in the slurry tank, the slurry tank is connected with a slurry input pump and a slurry discharge pump, the slurry tank is further connected with the first slurry spraying pipe through a first conveying pump, and the slurry tank is connected with the second slurry spraying pipe through a second conveying pump.

Preferably, the bottom of the chimney is provided with a fan.

The utility model has the advantages that:

the flue gas of the utility model firstly enters the desulfurization tower body for desulfurization treatment, then enters the dehumidification tower body for dehumidification treatment, and then enters the chimney for discharge, and the desulfurization and dehumidification treatment effect of the flue gas is better; the utility model discloses a be equipped with the inner tube in the desulfurization tower body, the flue gas gets into from the air inlet earlier, and the thick liquid of first thick liquid shower blowout all can contact with the flue gas in the in-process of rising with whereabouts, then the flue gas enters into the inner tube from the bottom of inner tube, and the flue gas contacts with the thick liquid reverse direction of second thick liquid shower blowout, the utility model discloses a desulfurization tower body has improved the contact time of flue gas and thick liquid, helps improving desulfurization effect, and the thick liquid pond of desulfurization tower body locates down in the tower body, and the cross-sectional area of lower tower body is great, improves this dehumidification tower body's steadiness, has also reduced the influence to the thick liquid pond in the flue gas flow process; the utility model discloses a be equipped with the dehumidification barrel in the dehumidification tower body, one side of flue gas import is tangent with the outer wall of dehumidification tower body, and the flue gas that enters into in the dehumidification tower body can get rid of the part liquid of smuggleing secretly in the flue gas in cyclone separation's effect, and in the flue gas entered into the dehumidification barrel through the bottom of dehumidification barrel, the dehumidification adsorption packing layer was provided with helps further improving the dehumidification effect of flue gas.

Drawings

The accompanying drawings are included to provide a further understanding and description of the invention.

Fig. 1 is a schematic structural diagram of the present invention.

Labeled as: 1. a desulfurization tower body; 2. a dehumidification tower body; 3. a chimney; 4. a flue; 5. an upper tower body; 6. a tapered transition portion; 7. a lower tower body; 8. an inner barrel; 9. an air inlet; 10. an air outlet; 11. a first slurry spray pipe; 12. a second slurry spray pipe; 13. a dehumidification cylinder; 14. a flue gas inlet; 15. a flue gas outlet; 16. a dehumidification adsorption packing layer; 17. a filler support grid; 18. screening a screen; 19. a liquid discharge pipe; 20. an aeration device; 21. a slurry input pump; 22. a slurry discharge pump; 23. a first delivery pump; 24. a second delivery pump; 25. a demister.

Detailed Description

As shown in figure 1, a wet desulphurization device comprises a desulphurization tower body 1, a dehumidification tower body 2 and a chimney 3, wherein the desulphurization tower body 1 is connected with the dehumidification tower body 2 through a flue 4, the dehumidification tower body 2 is connected with the chimney 3, and the bottom of the chimney 3 is provided with a fan.

Desulfurization tower body 1 includes tower body 5, toper transition portion 6 and tower body 7 down, goes up and links to each other through toper transition portion 6 between tower body 5 and the tower body 7 down, and the inside formation thick liquid pond of tower body 7 down, the cross sectional area of tower body 7 is greater than the cross sectional area of tower body 5 down. An inner cylinder 8 is arranged in the upper tower body 5, the bottom of the inner cylinder 8 is open, an air inlet 9 is arranged at the upper end of one side of the upper tower body 5, an air outlet 10 communicated with the inner cylinder 8 is arranged at the top of the upper tower body 5, a first slurry spraying pipe 11 is arranged between the outer wall of the inner cylinder 8 and the inner wall of the upper tower body 5, a plurality of second slurry spraying pipes 12 are arranged in the inner cylinder 8, a plurality of demisters 25 are arranged above the second slurry spraying pipes 12, wherein the slurry spraying direction of the first slurry spraying pipe 11 is upward, and the slurry spraying direction of the second slurry spraying pipes 12 is downward. The slurry tank is internally provided with an aeration device 20, is connected with a slurry input pump 21 and a slurry discharge pump 22, is also connected with the first slurry spray pipe 11 through a first delivery pump 23, and is connected with the second slurry spray pipe 12 through a second delivery pump 24.

Inside dehumidification barrel 13 that is equipped with of dehumidification tower body 2, the bottom opening of dehumidification barrel 13, the upper end of dehumidification tower body 2 one side is equipped with flue gas inlet 14, flue gas inlet 14 one side is tangent with dehumidification tower body 2's outer wall, flue 4's one end links to each other with gas outlet 10, flue 4's the other end links to each other with flue gas inlet 14, dehumidification barrel 13's top is equipped with exhanst gas outlet 15, exhanst gas outlet 15 communicates with each other with dehumidification barrel 13, and exhanst gas outlet 15 passes through the pipeline and links to each other with chimney 3, dehumidification barrel 13's inside is equipped with dehumidification adsorption packing layer 16, dehumidification barrel 13 is inside to be equipped with filler support grid plate 17, filler support grid plate 17 is filled with dehumidification adsorption packing, and the stainless steel net. A screen 18 is arranged above the dehumidification adsorption packing layer 16, a liquid discharge pipe 19 is arranged at the bottom of the dehumidification tower body 2, and a valve is arranged on the liquid discharge pipe 19.

In the embodiment, the flue gas firstly enters the desulfurization tower body 1 for desulfurization treatment, then enters the dehumidification tower body 2 for dehumidification treatment, and then enters the chimney 3 for discharge, so that the desulfurization and dehumidification treatment effect of the flue gas is good; the inner cylinder 8 is arranged in the desulfurization tower body 1, flue gas firstly enters from the air inlet 9, slurry sprayed by the first slurry spraying pipe 11 can be contacted with the flue gas in the rising and falling processes, then the flue gas enters the inner cylinder 8 from the bottom of the inner cylinder 8, and the flue gas is reversely contacted with the slurry sprayed by the second slurry spraying pipe 12, so that the desulfurization tower body 1 of the embodiment improves the contact time of the flue gas and the slurry, and is beneficial to improving the desulfurization effect, a slurry pool of the desulfurization tower body 1 is arranged in the lower tower body 7, the cross section area of the lower tower body 7 is larger, the stability of the dehumidification tower body 2 is improved, and the influence on the slurry pool in the flowing process of the flue gas is also reduced; be equipped with dehumidification barrel 13 in the dehumidification tower body 2 of this embodiment, one side of flue gas inlet 14 is tangent with the outer wall of dehumidification tower body 2, and the flue gas that enters into in the dehumidification tower body 2 is in cyclone separation's effect, can get rid of the part liquid of smuggleing secretly in the flue gas, and the flue gas is in entering into dehumidification barrel 13 through the bottom of dehumidification barrel 13, and the dehumidification effect that the dehumidification adsorption packing layer 16 was provided with and helps further improves the flue gas.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalent changes may be made to some of the technical features of the embodiments. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wet desulphurization device is characterized by comprising a desulphurization tower body, a dehumidification tower body and a chimney, wherein the desulphurization tower body is connected with the dehumidification tower body through a flue, the dehumidification tower body is connected with the chimney, the desulphurization tower body comprises an upper tower body, a conical transition part and a lower tower body, the upper tower body is connected with the lower tower body through the conical transition part, a slurry pool is formed inside the lower tower body, an inner cylinder is arranged in the upper tower body, the bottom of the inner cylinder is open, an air inlet is formed in the upper end of one side of the upper tower body, an air outlet communicated with the inner cylinder is formed in the top of the upper tower body, a first slurry spray pipe is arranged between the outer wall of the inner cylinder and the inner wall of the upper tower body, a plurality of second slurry spray pipes are arranged inside the inner cylinder, and a plurality of demisters are arranged above the;

2. The wet desulfurization apparatus according to claim 1, wherein the cross-sectional area of the lower column body is larger than the cross-sectional area of the upper column body.

3. The wet desulphurization device according to claim 1, wherein a filler support grid is arranged in the dehumidification cylinder, the filler support grid is filled with dehumidification adsorption filler, and a stainless steel mesh is laid on the filler support grid.

4. The wet desulphurization device according to claim 3, wherein a screen is arranged above the dehumidification adsorption packing layer.

5. The wet desulphurization device according to claim 4, wherein a drain pipe is arranged at the bottom of the dehumidification tower body, and a valve is arranged on the drain pipe.

6. The wet desulfurization device according to claim 1, wherein an aeration device is provided in the slurry tank, the slurry tank is connected to a slurry feed pump and a slurry discharge pump, the slurry tank is further connected to the first slurry shower pipe through a first transfer pump, and the slurry tank is connected to the second slurry shower pipe through a second transfer pump.

7. The wet desulphurization device according to claim 1, wherein a fan is arranged at the bottom of the chimney.