CN212881853U - Boiler tail gas desulfurization device - Google Patents
Boiler tail gas desulfurization device Download PDFInfo
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- CN212881853U CN212881853U CN202021715277.XU CN202021715277U CN212881853U CN 212881853 U CN212881853 U CN 212881853U CN 202021715277 U CN202021715277 U CN 202021715277U CN 212881853 U CN212881853 U CN 212881853U
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- water pump
- liquid reaction
- desulfurizing tower
- tail gas
- dust remover
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Abstract
The utility model discloses a boiler tail gas desulphurization unit, including the dust remover, the boiler is connected to the inlet end of dust remover, the desulfurizing tower is connected through the air duct to the end of giving vent to anger of dust remover, the bottom is equipped with open liquid reaction case in the desulfurizing tower, calcium bicarbonate solution is equipped with in the liquid reaction case, liquid reaction bottom of the case portion is equipped with the water pump, liquid reaction roof portion from the bottom up is equipped with the packing layer in proper order in the desulfurizing tower, desulfurization active carbon stratum reticulare and defogging board, the delivery port of water pump is equipped with the outlet pipe, the other end of outlet pipe is equipped with a plurality of shower nozzles, and locate the top of packing layer, the exhaust port department of desulfurizing tower is equipped with sulfur dioxide detection device, the outside of desulfurizing tower is equipped with the alarm, the bottom of liquid reaction case is equipped with the fluid-discharge tube, the fluid-discharge tube, The water pump is electrically connected with an external power supply through an electric wire. The utility model discloses simple structure, convenient operation, desulfurization effect is good.
Description
Technical Field
The utility model belongs to the technical field of exhaust-gas treatment, concretely relates to boiler tail gas desulphurization unit.
Background
The boiler tail gas contains harmful gas and smoke dust, and is a main substance polluting the atmosphere. The main harmful gas in the boiler tail gas is sulfur dioxide, so the desulfurization is one of important technical measures for preventing and controlling air pollution, the desulfurization process is widely applied in industry, but the method for treating the tail gas by the conventional boiler desulfurization device is single, so the sulfur dioxide in the boiler tail gas is not completely removed. Therefore, the improvement of the existing desulfurization device is urgently needed to meet the use requirement.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model aims to provide a boiler tail gas desulfurization device.
A boiler tail gas desulfurization device comprises a dust remover, wherein the air inlet end of the dust remover is connected with a boiler, the air outlet end of the dust remover is connected with a desulfurization tower through an air duct, the bottom in the desulfurization tower is provided with an open liquid reaction box, calcium bicarbonate solution is arranged in the liquid reaction box, the bottom of the liquid reaction box is provided with a water pump, the top of the liquid reaction box in the desulfurization tower is sequentially provided with a packing layer, a desulfurization activated carbon net layer and a defogging plate from bottom to top, the water outlet of the water pump is provided with a water outlet pipe, the other end of the water outlet pipe is provided with a plurality of spray heads and is arranged above the packing layer, the exhaust port of the desulfurization tower is provided with a sulfur dioxide detection device, the outside of the desulfurization tower is provided with an alarm, the bottom of the liquid reaction box is provided with a liquid discharge pipe, the liquid, the sulfur dioxide detection device, the alarm, the controller and the water pump are electrically connected with an external power supply through electric wires.
In order to ensure that the tail gas after dust removal smoothly enters the desulfurizing tower, the air guide pipe is provided with an induced draft fan, and the induced draft fan is electrically connected with the controller.
In order to place the water pump and ensure the normal work of the water pump, a water pump supporting plate is arranged at the bottom in the liquid reaction box, and the water pump is fixed on the water pump supporting plate through a bolt.
In order to ensure the normal work of the water pump and the desulfurization effect, the level of the calcium bicarbonate solution is higher than the water inlet of the water pump.
The utility model discloses boiler tail gas desulphurization unit, compared with the prior art, its beneficial effect lies in: 1. the utility model effectively removes sulfur dioxide in the tail gas through two desulfurization processes; 2. the utility model adds the demisting plate, thereby reducing the water vapor in the exhaust gas; 3. the utility model discloses the setting of sulfur dioxide detection device and alarm can in time detect out whether sulfur dioxide removes to the greatest extent to remind the staff in time to change calcium bicarbonate solution and desulfurization active carbon stratum reticulare.
Drawings
FIG. 1 is a schematic structural view of a boiler tail gas desulfurization device according to the present invention;
FIG. 2 is a schematic diagram of the external structure of the boiler tail gas desulfurization device of the present invention.
The device comprises a dust remover 1, a gas guide tube 2, a draught fan 3, a desulfurizing tower 4, a liquid reaction box 5, a water pump support plate 6, a liquid discharge tube 7, a water pump 8, a water outlet tube 9, a filler layer 10, a plurality of spray heads 11, a desulfurization activated carbon mesh layer 12, an alarm 13, a defogging plate 14, an exhaust port 15, a sulfur dioxide detection device 16 and a controller 17.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following examples, which are set forth only for the purposes of explanation and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, a boiler tail gas desulfurization device comprises a dust remover 1, wherein an air inlet end of the dust remover 1 is connected with a boiler, an air outlet end of the dust remover 1 is connected with a desulfurization tower 4 through an air duct 2, an open liquid reaction box 5 is arranged at the bottom in the desulfurization tower 4, calcium bicarbonate solution is arranged in the liquid reaction box 5, a water pump 8 is arranged at the bottom of the liquid reaction box 5, a packing layer 10, a desulfurization activated carbon net layer 12 and a defogging plate 14 are sequentially arranged at the top of the liquid reaction box 5 in the desulfurization tower 4 from bottom to top, a water outlet pipe 9 is arranged at a water outlet of the water pump 8, a plurality of spray heads 11 are arranged at the other end of the water outlet pipe 9 and are arranged above the packing layer 10, a sulfur dioxide detection device 16 is arranged at an air outlet 15 of the desulfurization tower 4, an alarm 13 is arranged outside the desulfurization tower 4, a liquid, the liquid discharge pipe 7 penetrates through the outer side wall of the desulfurizing tower 4, the controller 17 is arranged on the outer side wall of the desulfurizing tower 4, and the sulfur dioxide detection device 16, the alarm 13, the controller 17, the water pump 8 and an external power supply are electrically connected through electric wires.
In order to ensure that the tail gas after dust removal smoothly enters the desulfurizing tower 4, the air duct 2 is provided with an induced draft fan 3, and the induced draft fan 3 is electrically connected with a controller 17.
In order to place the water pump 8 and ensure the normal work of the water pump 8, a water pump supporting plate 6 is arranged at the bottom in the liquid reaction box 5, and the water pump 8 is fixed on the water pump supporting plate 6 through bolts.
In order to ensure the normal operation of the water pump 8 and the desulfurization effect, the level of the calcium bicarbonate solution is higher than the water inlet of the water pump 8. The utility model discloses a realize through following mode: when the device is used, the air inlet end of the dust remover 1 is connected to a boiler, then corresponding equipment is opened through the controller 17, tail gas subjected to preliminary dust removal enters the desulfurizing tower 4 under the action of the draught fan 3, the calcium bicarbonate solution is conveyed to the spray head 11 through the water outlet pipe 9 by the water pump 8 and then is sprayed on the packing layer 10 from the spray head 11, the tail gas reacts with the calcium bicarbonate solution on the packing layer 10 to adsorb sulfur dioxide in waste gas, the waste gas subjected to preliminary desulfurization enters the desulfurization activated carbon net layer 12 to further remove residual sulfur dioxide, finally, the water vapor in the gas is removed through the defogging plate 14 and then is discharged to the atmosphere, the sulfur dioxide is detected by the sulfur dioxide detection device 16 at the exhaust port 15, if the sulfur dioxide detection device 16 detects that the concentration of the sulfur dioxide is too high, a signal is sent to the controller 17, and the controller controls the alarm 13 to send, after receiving the alarm, the worker replaces the calcium bicarbonate solution, the packing layer 10 and the desulfurization activated carbon mesh layer 12 in the liquid reaction box 5, and periodically replaces the defogging plate 14.
The utility model discloses simple structure, convenient operation, desulfurization effect is good.
The protection scope of the present invention is not limited to the technical solution disclosed in the specific embodiment, and all the modifications, equivalent replacements, improvements, etc. made by the technical entity of the present invention to the above embodiments all fall into the protection scope of the present invention.
Claims (4)
1. The utility model provides a boiler tail gas desulphurization unit which characterized in that: including the dust remover, the boiler is connected to the inlet end of dust remover, the desulfurizing tower is connected through the air duct to the end of giving vent to anger of dust remover, the bottom is equipped with open liquid reaction case in the desulfurizing tower, the calcium bicarbonate solution is equipped with in the liquid reaction case, liquid reaction bottom of the case portion is equipped with the water pump, liquid reaction roof portion from the bottom up is equipped with packing layer, desulfurization active carbon stratum reticulare and defogging board in proper order in the desulfurizing tower, the delivery port of water pump is equipped with the outlet pipe, the other end of outlet pipe is equipped with a plurality of shower nozzles, and locates the top of packing layer, the exhaust port department of desulfurizing tower is equipped with sulfur dioxide detection device, the outside of desulfurizing tower is equipped with the alarm, the bottom of liquid reaction case is equipped with the fluid-discharge tube, the fluid-discharge tube runs through the desulfurizing tower lateral wall, the alarm, the controller and the water pump are electrically connected with an external power supply through electric wires.
2. The boiler tail gas desulfurization apparatus according to claim 1, characterized in that: and the air guide pipe is provided with an induced draft fan which is electrically connected with the controller.
3. The boiler tail gas desulfurization apparatus according to claim 1 or 2, characterized in that: the bottom in the liquid reaction box is provided with a water pump supporting plate, and the water pump is fixed on the water pump supporting plate through a bolt.
4. The boiler tail gas desulfurization apparatus according to claim 3, characterized in that: the level of the calcium bicarbonate solution is higher than the water inlet of the water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021715277.XU CN212881853U (en) | 2020-08-18 | 2020-08-18 | Boiler tail gas desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021715277.XU CN212881853U (en) | 2020-08-18 | 2020-08-18 | Boiler tail gas desulfurization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212881853U true CN212881853U (en) | 2021-04-06 |
Family
ID=75245826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021715277.XU Active CN212881853U (en) | 2020-08-18 | 2020-08-18 | Boiler tail gas desulfurization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212881853U (en) |
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2020
- 2020-08-18 CN CN202021715277.XU patent/CN212881853U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 563000 No. 34-40, floor 3, huijintiandi, Sida District, International Trade City, Zunyi Avenue, Honghuagang District, Zunyi City, Guizhou Province Patentee after: ZUNYI CHAOYU BOILER Co.,Ltd. Address before: No.236 Yan'an Road, Honghuagang District, Zunyi City, Guizhou Province Patentee before: ZUNYI CHAOYU BOILER Co.,Ltd. |