CN217594287U - Wet desulfurization tower for thermal power plant - Google Patents
Wet desulfurization tower for thermal power plant Download PDFInfo
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- CN217594287U CN217594287U CN202221122211.9U CN202221122211U CN217594287U CN 217594287 U CN217594287 U CN 217594287U CN 202221122211 U CN202221122211 U CN 202221122211U CN 217594287 U CN217594287 U CN 217594287U
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- dust removal
- desulfurization
- bottom plate
- removal case
- thermal power
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Abstract
The utility model discloses a wet flue gas desulfurization tower is used in thermal power plant, including the bottom plate, still include dust removal mechanism and setting tank, dust removal mechanism is installed at the top of bottom plate, dust removal mechanism comprises dust removal case, cage filter screen, funnel, air compressor, nozzle and inspection door combination, the dust removal case is installed at the top of bottom plate, the lateral wall of dust removal case passes through hinged joint with the lateral wall of inspection door, the cage filter screen is installed to the inside wall of dust removal case, air compressor is installed at the top of dust removal case, air compressor's output passes through pipe connection with the input of nozzle, the funnel is installed to the bottom of dust removal case. The flue gas can be dedusted through the dedusting mechanism, so that the influence of the dust on the desulfurization effect is avoided; and the desulfurization effect can be increased through the desulfurization mechanism, and the pollution of flue gas emission is avoided.
Description
Technical Field
The utility model relates to a desulfurizing tower technical field, in particular to wet flue gas desulfurization tower is used in thermal power plant.
Background
The thermal power plant is a thermal power plant for short, when the thermal power plant works, a large amount of smoke can be generated, the smoke needs to be subjected to desulfurization treatment, sulfur dioxide in the smoke can be combined with water in the atmosphere to form acid rain if the smoke is not treated, damage can be caused to ground buildings, crops and human bodies, the main mode of the existing smoke desulfurization is wet desulfurization, slurry such as limestone is used as a detergent, the smoke is washed in a desulfurization tower, and therefore sulfur dioxide in the smoke is absorbed.
Patent No. 202121969847.2 discloses a high-efficiency flue gas desulfurization device for thermal power plants, and relates to the technical field of flue gas desulfurization; including the desulfurizing tower, be fixed with on the desulfurizing tower and advance the tobacco pipe, the desulfurizing tower upper end is equipped with the outlet flue, the bottom is fixed with the liquid reserve tank in the desulfurizing tower, the upper end is fixed with a plurality of spraying shower nozzles in the desulfurizing tower, be equipped with cleaning device in the desulfurizing tower, cleaning device includes incomplete gear, remove frame and cleaning plate, be equipped with the incomplete gear that the rotatable drive removed the frame and reciprocated in the desulfurizing tower, it removes the frame and removes the cleaning plate and reciprocates clean desulfurizing tower inner wall, the lower extreme is equipped with receives the flue gas to strike pivoted flabellum in the desulfurizing tower, the flabellum rotates and drives incomplete gear rotation. In the prior art, after wet desulphurization, dust in the flue gas is very easy to adhere to the surface of a desulphurization tower, so that scaling is caused, and the flue gas is not easy to clean.
This wet flue gas desulfurization tower for thermal power plant has following drawback: 1. the desulfurizing tower cannot influence the desulfurizing effect on dust contained in flue gas caused by dust removal; 2. the desulfurizing effect of the desulfurizing tower is poor, so that the environment is easily polluted when flue gas is discharged. Therefore, a wet desulphurization tower for thermal power plants is provided.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide a wet desulphurization tower for thermal power plants, which can remove dust from flue gas by a dust removing mechanism, and avoid dust from affecting the desulphurization effect; and the desulfurization effect can be increased through the desulfurization mechanism, the smoke emission pollution is avoided, and the problem in the background art can be effectively solved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a wet flue gas desulfurization tower is used in thermal power plant, includes the bottom plate, still includes dust removal mechanism and setting tank, dust removal mechanism is installed at the top of bottom plate, dust removal mechanism comprises dust removal case, cage filter screen, funnel, air compressor, nozzle and inspection door combination, the dust removal case is installed at the top of bottom plate, the lateral wall of dust removal case passes through hinged joint with the lateral wall of inspection door, the cage filter screen is installed to the inside wall of dust removal case, air compressor is installed at the top of dust removal case, air compressor's output passes through pipe connection with the input of nozzle, the funnel is installed to the bottom of dust removal case.
Further, still include desulfurization mechanism, desulfurization mechanism is installed at the top of setting tank, and desulfurization mechanism can carry out the desulfurization to the flue gas.
Further, desulfurization mechanism comprises desulfurizing tower main part, spray tube, whirl board and gas-water separator combination against the current, gas-water separator is installed to the inside wall of desulfurizing tower main part, the whirl board is installed to the inside wall of desulfurizing tower main part, the spray tube against the current is installed to the inside wall of desulfurizing tower main part, and the spray tube sprays a lime wash against the current, and the whirl board reduces the emission velocity of flue gas for the sulfur dioxide fully reacts in lime wash and the flue gas, increases to the effect of taking out for sulfur dioxide.
Furthermore, an alkaline tank is installed at the top of the bottom plate, a water suction pump is installed at the top of the bottom plate, the input end of the water suction pump is connected with the outer side wall of the alkaline tank through a pipe, the output end of the water suction pump is connected with the input end of the countercurrent spray pipe through a pipe, and lime water in the alkaline tank is conveniently extracted.
Further, the draught fan is installed at the top of bottom plate, the input of draught fan passes through pipe connection with the lateral wall of dust removal case, pipe connection is passed through with the lateral wall of desulfurizing tower main part to the output of draught fan, and is convenient to the flue gas extraction.
Compared with the prior art, the utility model discloses following beneficial effect has: 1. the dust removal mechanism is installed at the top of the bottom plate and comprises a dust removal box, a cage filter screen, a funnel, an air compressor, a nozzle and an inspection door, when the dust removal mechanism removes dust from smoke, the smoke enters the dust removal box, the cage filter screen is installed on the inner side wall of the dust removal box and can filter dust in the smoke, the air compressor is installed at the top of the dust removal box, the output end of the air compressor is connected with the input end of the nozzle through a guide pipe, when the dust outside the cage filter screen is removed, the air compressor compresses the air, the nozzle sprays high-pressure air, the dust is separated from the outer side wall of the cage filter screen, the funnel is installed at the bottom of the dust removal box, the dust in the smoke can be removed from the funnel, and the dust is prevented from affecting the desulfurization effect;
2. the setting tank is installed at the top of bottom plate, desulfurization mechanism is installed at the top of setting tank, desulfurization mechanism is by the desulfurizing tower main part, the spray tube against the current, whirl plate and gas-water separator combination constitute, when to flue gas desulfurization, the draught fan is in the flue gas transport value desulfurizing tower main part after will removing dust, the spray tube against the current is installed to the inside wall of desulfurizing tower main part, the suction pump extracts lime wash, the output of suction pump passes through pipe connection with the input of spray tube against the current, thereby spray tube against the current sprays lime wash, make the sulfur dioxide reaction in lime wash and the flue gas, install the whirl plate in the desulfurizing tower main part, when the flue gas passes through, the fluid direction is inside rotatory, make the air current relatively slow, the flue gas dwell time is just a little in the tower body, thereby can increase the filter effect to the flue gas.
Drawings
Fig. 1 is the utility model relates to a wet flue gas desulfurization tower's for thermal power plant overall structure schematic diagram.
Fig. 2 is the utility model relates to a desulfurization mechanism schematic diagram of wet flue gas desulfurization tower for thermal power plant.
In the figure: 1. a base plate; 2. a dust removal mechanism; 201. a dust removal box; 202. a cage frame filter screen; 203. a funnel; 204. an air compressor; 205. a nozzle; 206. an inspection door; 3. an induced draft fan; 4. a settling tank; 5. a desulfurization mechanism; 501. a main body of the desulfurizing tower; 502. a counter-current spray pipe; 503. a swirl plate; 504. a gas-water separator; 6. a water pump; 7. an alkaline box.
Detailed Description
In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.
As shown in fig. 1-2, a wet flue gas desulfurization tower is used in thermal power plant, including bottom plate 1, still include dust removal mechanism 2 and setting tank 4, dust removal mechanism 2 is installed at the top of bottom plate 1, dust removal mechanism 2 comprises dust removal case 201, cage filter screen 202, funnel 203, air compressor 204, nozzle 205 and inspection door 206 combination, dust removal case 201 is installed at the top of bottom plate 1, the lateral wall of dust removal case 201 passes through hinged joint with the lateral wall of inspection door 206, cage filter screen 202 is installed to the inside wall of dust removal case 201, compressor 204 is installed at the top of dust removal case 201, air compressor's 204 output passes through pipe connection with the input of nozzle 205, funnel 203 is installed to the bottom of dust removal case 201.
Wherein, still include desulfurization mechanism 5, desulfurization mechanism 5 is installed at the top of setting tank 4, and desulfurization mechanism 5 can carry out the desulfurization to the flue gas.
Wherein, desulfurization mechanism 5 comprises desulfurizing tower main part 501, spray tube 502 against current, whirl board 503 and gas-water separator 504 combination, gas-water separator 504 is installed to the inside wall of desulfurizing tower main part 501, whirl board 503 is installed to the inside wall of desulfurizing tower main part 501, spray tube 502 against current is installed to the inside wall of desulfurizing tower main part 501, and spray tube 502 against current sprays lime wash, and whirl board 503 reduces the emission velocity of flue gas for the sulfur dioxide in lime wash and the flue gas fully reacts, increases the effect of taking out for sulfur dioxide.
The alkaline tank 7 is installed at the top of the bottom plate 1, the water suction pump 6 is installed at the top of the bottom plate 1, the input end of the water suction pump 6 is connected with the outer side wall of the alkaline tank 7 through a pipe, the output end of the water suction pump 6 is connected with the input end of the countercurrent spray pipe 502 through a pipe, and lime water in the alkaline tank 7 is conveniently extracted.
Wherein, draught fan 3 is installed at the top of bottom plate 1, the input of draught fan 3 passes through pipe connection with the lateral wall of dust removal case 201, pipe connection is passed through with the lateral wall of desulfurizing tower main part 501 to the output of draught fan 3, and the convenience is to the flue gas extraction.
It should be noted that, the utility model relates to a wet desulphurization tower for thermal power plant, in operation, the top of the bottom plate 1 is installed with the dust removal mechanism 2, the dust removal mechanism 2 is composed of the dust removal box 201, the cage filter screen 202, the funnel 203, the air compressor 204, the nozzle 205 and the inspection door 206, when removing dust from flue gas, flue gas enters into the dust removal box 201, because the cage filter screen 202 is installed on the inside wall of the dust removal box 201, the cage filter screen 202 can filter dust in flue gas, because the air compressor 204 is installed on the top of the dust removal box 201, the output end of the air compressor 204 is connected with the input end of the nozzle 205 through a pipe, when removing dust outside the cage filter screen 202, the air compressor 204 compresses air, so that the nozzle 205 sprays high-pressure air, the dust breaks away from the outside wall of the cage filter screen 202, the funnel 203 is installed at the bottom of the dust removal box 201, the dust falls from the funnel 203, thereby the dust in the flue gas can be removed, the influence of the dust on the desulfurization effect is avoided, the settling tank 4 is installed on the top of the bottom plate 1, the desulfurization mechanism 5 is installed on the top of the settling tank 4, the desulfurization mechanism 5 is composed of a desulfurization tower main body 501, a counter-flow spray pipe 502, a swirl plate 503 and an air-water separator 504, when the flue gas is desulfurized, the draught fan 3 conveys the dedusted flue gas into the desulfurization tower main body 501, the counter-flow spray pipe 502 is installed on the inner side wall of the desulfurization tower main body 501, the water suction pump 6 extracts the lime water, the output end of the water suction pump 6 is connected with the input end of the counter-flow spray pipe 502 through a pipe, so that the counter-flow spray pipe 502 sprays the lime water, the lime water reacts with the sulfur dioxide in the flue gas, the swirl plate 503 is installed in the desulfurization tower main body 501, when the flue gas passes through, the fluid direction rotates inwards, the air flow is relatively slow, and the residence time of the flue gas in the tower body is longer, so that the filtering effect on the flue gas can be increased.
The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a wet flue gas desulfurization tower is used in thermal power plant, includes bottom plate (1), its characterized in that, still includes dust removal mechanism (2) and settling chamber (4), dust removal mechanism (2) are installed at the top of bottom plate (1), dust removal mechanism (2) comprise dust removal case (201), cage filter screen (202), funnel (203), air compressor (204), nozzle (205) and inspection door (206) combination, dust removal case (201) are installed at the top of bottom plate (1), the lateral wall of dust removal case (201) passes through hinged joint with the lateral wall of inspection door (206), cage filter screen (202) are installed to the inside wall of dust removal case (201), air compressor (204) are installed at the top of dust removal case (201), the output of air compressor (204) passes through pipe connection with the input of nozzle (205), funnel (203) are installed to the bottom of dust removal case (201).
2. The wet desulfurization tower for thermal power plants according to claim 1, characterized in that: still include desulfurization mechanism (5), desulfurization mechanism (5) are installed at the top of setting tank (4).
3. The wet desulfurization tower for thermal power plants according to claim 2, characterized in that: desulfurization mechanism (5) constitute by desulfurizing tower main part (501), spray tube (502), whirl board (503) and gas-water separator (504) combination against current, gas-water separator (504) are installed to the inside wall of desulfurizing tower main part (501), whirl board (503) are installed to the inside wall of desulfurizing tower main part (501), spray tube (502) against current is installed to the inside wall of desulfurizing tower main part (501).
4. The wet desulphurization tower for thermal power plants according to claim 1, characterized in that: alkaline case (7) are installed at the top of bottom plate (1), suction pump (6) are installed at the top of bottom plate (1), the input of suction pump (6) passes through pipe connection with the lateral wall of alkaline case (7), pipe connection is passed through with the input of adverse current spray pipe (502) to the output of suction pump (6).
5. The wet desulphurization tower for thermal power plants according to claim 1, characterized in that: draught fan (3) are installed at the top of bottom plate (1), the input of draught fan (3) passes through pipe connection with the lateral wall of dust removal case (201), the output of draught fan (3) passes through pipe connection with the lateral wall of desulfurizing tower main part (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221122211.9U CN217594287U (en) | 2022-05-11 | 2022-05-11 | Wet desulfurization tower for thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221122211.9U CN217594287U (en) | 2022-05-11 | 2022-05-11 | Wet desulfurization tower for thermal power plant |
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| Publication Number | Publication Date |
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| CN217594287U true CN217594287U (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221122211.9U Active CN217594287U (en) | 2022-05-11 | 2022-05-11 | Wet desulfurization tower for thermal power plant |
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- 2022-05-11 CN CN202221122211.9U patent/CN217594287U/en active Active
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