CN223530202U - A sulfur dioxide tail gas recycling absorption treatment device - Google Patents
A sulfur dioxide tail gas recycling absorption treatment deviceInfo
- Publication number
- CN223530202U CN223530202U CN202423054513.9U CN202423054513U CN223530202U CN 223530202 U CN223530202 U CN 223530202U CN 202423054513 U CN202423054513 U CN 202423054513U CN 223530202 U CN223530202 U CN 223530202U
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- desulfurization
- box
- tail gas
- filter
- chamber
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Abstract
The utility model relates to the technical field of sulfur dioxide treatment, and discloses a sulfur dioxide tail gas circulating absorption treatment device which comprises a desulfurization box and a filter box, wherein an air inlet is formed in the top end of the desulfurization box, a transfusion tube is connected to the left side of the desulfurization box, a spray head is arranged at the bottom of the transfusion tube, a water collecting tank is arranged at the bottom end of the interior of the desulfurization box, and a liquid storage tank is arranged at the front end of the desulfurization box. According to the utility model, through arranging the circulating desulfurization structure, the tail gas containing sulfur dioxide enters the inside of the desulfurization box through the air inlet, then lime slurry in the liquid storage box is conveyed into the inside of the desulfurization box through the infusion tube by the liquid pump, the lime slurry is sprayed out of the bottom of the infusion tube to be contacted with the tail gas in the inside of the desulfurization box, the tail gas is desulfurized, the tail gas enters the rear tail gas in the circulating chamber, and the tail gas enters the circulating pipe through the circulating port and is circulated to be contacted with the lime slurry sprayed by the spray head in the inside of the desulfurization box, so that the circulating desulfurization function is realized.
Description
Technical Field
The utility model relates to the technical field of sulfur dioxide treatment, in particular to a sulfur dioxide tail gas circulating absorption treatment device.
Background
The gas of the sulfur dioxide tail gas generally refers to exhaust gas in the fields of industrial production, chemical industry, transportation and the like, wherein the sulfur dioxide content is relatively high, the sulfur dioxide is a toxic gas, the emission of the sulfur dioxide is to a certain extent, the harm to human bodies and the environment can be caused, and the gas of the sulfur dioxide tail gas is released into the air, acid rain can be formed, and the harm to plants, soil, groundwater and the like can be caused.
In order to reduce the harm of sulfur dioxide tail gas to the environment, before the sulfur dioxide tail gas is discharged, the sulfur dioxide tail gas needs to be treated, and the tail gas is subjected to dust removal, desulfurization and the like, so that the tail gas is purified, and the sulfur dioxide tail gas is purified. Therefore, we propose a sulfur dioxide tail gas recycling and absorbing treatment device to improve the problems.
Disclosure of utility model
The utility model aims to provide a sulfur dioxide tail gas circulating absorption treatment device for solving the problems in the background technology.
In order to achieve the above purpose, the utility model provides the technical scheme that the sulfur dioxide tail gas circulating and absorbing treatment device comprises a desulfurization box and a filter box, wherein the top end of the desulfurization box is provided with an air inlet, the left side of the desulfurization box is connected with a liquid conveying pipe, the bottom of the liquid conveying pipe is provided with a spray head, the bottom end of the inside of the desulfurization box is provided with a water collecting tank, the front end of the desulfurization box is provided with a liquid storage tank, the front end of the liquid storage tank is provided with a liquid suction pump, the right side of the desulfurization box is connected with a circulating pipe, the inside of the circulating pipe is provided with a regulating valve, the inside of the circulating pipe is provided with a fan, the inside of the filter box is provided with a circulating chamber, and the top end of the circulating chamber is provided with a circulating port.
As a further technical scheme of the utility model, the top end of the circulating pipe inserted into the filter box is communicated with a circulating port at the top end of a circulating chamber in the desulfurization box, the fan is arranged in the circulating pipe, and the circulating chamber is communicated with the desulfurization box through the circulating pipe.
As a further technical scheme of the utility model, the spray head is arranged at the bottom end of the infusion tube inserted into the desulfurization box, the liquid storage box is communicated with the desulfurization box through the liquid suction pump and the infusion tube, and the water collecting box is arranged at the bottom end of the desulfurization box.
As a further technical scheme of the utility model, a dust filtering net is arranged on the left side inside the filter box, a cleaning brush is contacted on the right side of the dust filtering net, a sliding screw rod is inserted at the front end and the rear end of the cleaning brush, a rotating motor is arranged on the left side of the top end of the filter box, and a dust cleaning guide plate is arranged at the bottom of the left side of the filter box.
As a further technical scheme of the utility model, the rotating motor is arranged at the top end of the filter box and connected with the sliding screw rod in the filter box for rotation, the sliding screw rod penetrates through the cleaning brush, the sliding screw rod rotates to drive the cleaning brush to slide outside the sliding screw rod, and the sliding screw rod drives the cleaning brush to move up and down to be in contact with the right side of the dust filtering net.
As a further technical scheme of the utility model, the bottom of the filter box is provided with a supporting base, the right side of the filter box is provided with an exhaust port, the right side of the exhaust port is connected with a discharge pipe, and the front end of the discharge pipe is connected with an exhaust fan.
As a further technical scheme of the utility model, a filter chamber is arranged in the filter box, an activated carbon layer and a solid desulfurization layer are filled in the filter chamber, a catalytic chamber is arranged on the right side of the filter box, and a UV lamp is arranged in the catalytic chamber.
As a further technical scheme of the utility model, the UV lamp is arranged in a catalytic chamber arranged in the filter box, the activated carbon layer and the solid desulfurization layer are sequentially arranged in a filter chamber arranged in the filter box, and the filter chamber and the catalytic chamber are communicated in the filter box.
Compared with the prior art, the sulfur dioxide tail gas circulating absorption treatment device has the beneficial effects that the sulfur dioxide tail gas circulating absorption treatment device not only realizes the circulating desulfurization function, realizes the filter screen cleaning function, but also realizes the secondary filtering function;
(1) The circulating desulfurization structure has the advantages that tail gas containing sulfur dioxide enters the desulfurization box through the air inlet, lime slurry in the liquid storage box is conveyed into the desulfurization box through the infusion tube by the liquid pump, is sprayed out by the spray heads at the bottom of the infusion tube to contact with the tail gas in the desulfurization box, the tail gas is desulfurized, desulfurization products are a mixture of CaSO4, caSO3, unreacted CaO, fly ash and the like, part of the tail gas can enter the water collection box in the desulfurization box, part of the tail gas can be filtered by contact with the dust filtering net along with the flow of the tail gas, the rear tail gas entering the circulation chamber enters the circulation chamber through the fan and the regulating valve in the circulation tube, and the tail gas enters the circulation tube through the circulation port and is circulated and contacts with the lime slurry sprayed by the spray heads in the desulfurization box, so that the circulating desulfurization function is realized;
(2) The filter screen cleaning structure is arranged, so that fly ash and mixture in tail gas can contact with a dust filtering net in the filter box along with the flow of air when the filter screen cleaning structure is used, the dust filtering net is attached to the left side of the dust filtering net to affect the subsequent dust filtering and waste gas purifying and conveying, the rotating motor is started to drive the sliding screw rod in the filter box to rotate when the filter screen cleaning structure is used, the cleaning brush moves up and down outside the sliding screw rod to clean the dust filtering net, dust on the dust filtering net is swept into the bottom of the filter box, and then the dust cleaning guide plate at the bottom of the left side of the filter box is opened to clean dust and the like, so that the filter screen cleaning function is realized;
(3) After circulation desulfurization, the regulating valve in the circulation pipe is closed, the desulfurized tail gas enters the filter chamber to carry out secondary desulfurization and impurity adsorption with the solid desulfurization layer and the activated carbon layer in the filter chamber, the filter chamber can be solid flue gas desulfurizing agent, the tail gas enters the catalytic chamber to contact with the UV ultraviolet lamp through the filter chamber to decompose sulfur compounds, and the generated sulfur simple substance is nontoxic, so that the sulfur simple substance is discharged through the exhaust port, and the secondary filtering function is realized.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic view of a rear sectional structure of the present utility model;
FIG. 3 is a schematic view showing partial sectional structures of a desulfurization tank and a filtration tank of the present utility model;
fig. 4 is a schematic view showing an enlarged cross-sectional structure of the filter box and the dust filter net of the present utility model.
In the figure, 1, an infusion tube; 2, an air inlet, 3, a desulfurization tank, 4, a liquid storage tank, 5, a liquid pump, 6, a circulating pipe, 7, a regulating valve, 8, a filter tank, 9, a supporting base, 10, an air outlet, 11, an exhaust fan, 12, a discharging pipe, 13, a catalytic chamber, 14, a UV ultraviolet lamp, 15, an active carbon layer, 16, a solid desulfurization layer, 17, a filter chamber, 18, a circulating chamber, 19, a circulating port, 20, a dust filtering net, 21, a fan, 22, a spray head, 23, a water collecting tank, 24, a rotating motor, 25, a cleaning brush, 26, a sliding screw rod, 27 and a dust cleaning guide plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to FIGS. 1-4, an embodiment of the utility model provides a sulfur dioxide tail gas circulating and absorbing treatment device, which comprises a desulfurization tank 3 and a filter tank 8, wherein the top end of the desulfurization tank 3 is provided with an air inlet 2, the left side of the desulfurization tank 3 is connected with a transfusion tube 1, the bottom of the transfusion tube 1 is provided with a spray head 22, the bottom end of the inside of the desulfurization tank 3 is provided with a water collecting tank 23, the front end of the desulfurization tank 3 is provided with a liquid storage tank 4, the front end of the liquid storage tank 4 is provided with a liquid pumping pump 5, the right side of the desulfurization tank 3 is connected with a circulating pipe 6, the inside of the circulating pipe 6 is provided with a regulating valve 7, the inside of the circulating pipe 6 is provided with a fan 21, the inside of the filter tank 8 is provided with a circulating chamber 18, and the top end of the circulating chamber 18 is provided with a circulating port 19;
the top end of the circulating pipe 6 inserted into the filtering box 8 is communicated with a circulating port 19 at the top end of a circulating chamber 18 in the desulfurization box 3, a fan 21 is arranged in the circulating pipe 6, the circulating chamber 18 is communicated with the desulfurization box 3 through the circulating pipe 6, a spray head 22 is arranged at the bottom end of the infusion tube 1 inserted into the desulfurization box 3, the liquid storage box 4 is communicated with the desulfurization box 3 through the liquid extraction pump 5 and the infusion tube 1, and a water collection tank 23 is arranged at the bottom end of the desulfurization box 3;
Specifically, as shown in fig. 1, 2 and 3, by setting a circulating desulfurization structure, tail gas containing sulfur dioxide enters the inside of a desulfurization tank 3 through an air inlet 2, lime slurry in the inside of a liquid storage tank 4 is conveyed to the inside of the desulfurization tank 3 through a liquid suction pump 5, sprayed out of a spray head 22 at the bottom of the liquid suction pump 1 to contact with the tail gas in the inside of the desulfurization tank 3, the tail gas is desulfurized, desulfurization products are a mixture of CaSO4, caSO3, unreacted CaO, fly ash and the like, a part of the desulfurization products can be in a water collecting tank 23 in the inside of the desulfurization tank 3, a part of the desulfurization products can be filtered by contacting with a dust filtering net 20 along with the flow of the tail gas, the rear tail gas enters the inside of a circulating chamber 18, and the tail gas is circulated and contacts with the lime slurry sprayed by a spray head 22 in the inside of the desulfurization tank 3 to be desulfurized after entering the inside of the circulating pipe 6 through a circulating port 19 through a fan 21 and a regulating valve 7, so that a circulating desulfurization function is realized.
The left side of the inside of the filter box 8 is provided with a dust filtering net 20, the right side of the dust filtering net 20 is contacted with a cleaning brush 25, the front end and the rear end of the cleaning brush 25 are inserted with a sliding screw rod 26, the left side of the top end of the filter box 8 is provided with a rotating motor 24, and the bottom of the left side of the filter box 8 is provided with an ash cleaning guide plate 27;
The rotating motor 24 is arranged at the top end of the filter box 8 and connected with a sliding screw rod 26 in the filter box 8 for rotation, the sliding screw rod 26 penetrates through the cleaning brush 25, the sliding screw rod 26 rotates to drive the cleaning brush 25 to slide outside the sliding screw rod 26, and the sliding screw rod 26 drives the cleaning brush 25 to move up and down to be in contact with the right side of the dust filtering net 20;
Specifically, as shown in fig. 1 and 4, through setting up the clean structure of filter screen, fly ash and mixture in the tail gas can be along with the flow of air during the use, with the inside filter screen 20 contact of rose box 8, it influences follow-up smoke and dust filtration and exhaust purification transport to adhere to the filter screen 20 left side, during the use, let the sliding screw 26 of rotor motor 24 inside drive rose box 8 rotate through starting rotor motor 24, let cleaning brush 25 reciprocate outside sliding screw 26 and clear up filter screen 20, let filter screen 20 dust sweep into the bottom of rose box 8, afterwards through opening the deashing deflector 27 of rose box 8 left side bottom, clear up dust etc. to realize the clean function of filter screen.
A filter chamber 17 is arranged in the filter box 8, an activated carbon layer 15 and a solid desulfurization layer 16 are filled in the filter chamber 17, a catalytic chamber 13 is arranged on the right side of the filter box 8, and a UV lamp 14 is arranged in the catalytic chamber 13;
The UV lamp 14 is arranged in the catalytic chamber 13 arranged in the filter box 8, the activated carbon layer 15 and the solid desulfurization layer 16 are sequentially arranged in the filter chamber 17 arranged in the filter box 8, and the filter chamber 17 and the catalytic chamber 13 are communicated in the filter box 8;
Specifically, as shown in fig. 1 and 2, after the circulation desulfurization, the regulating valve 7 in the circulation pipe 6 is closed, the desulfurized tail gas enters the filter chamber 17 to be subjected to secondary desulfurization and impurity adsorption with the solid desulfurization layer 16 and the activated carbon layer 15 in the filter chamber 17, the filter chamber 17 can be a solid flue gas desulfurizing agent, the tail gas enters the catalytic chamber 13 through the filter chamber 17 to be contacted with the UV ultraviolet lamp 14, so that sulfur compounds are decomposed, and the generated sulfur simple substance is nontoxic, so that the sulfur simple substance is discharged from the exhaust port 10, and the secondary filtering function is realized.
Working principle: in the utility model, tail gas containing sulfur dioxide enters the desulfurization tank 3 through an air inlet 2, lime slurry in the liquid storage tank 4 is conveyed into the desulfurization tank 3 through a liquid suction pump 5, is sprayed out by a spray head 22 at the bottom of the liquid suction pump 1 to contact with the tail gas in the desulfurization tank 3, the tail gas is desulfurized, desulfurization products are CaSO4, caSO3, unreacted CaO, fly ash and other mixtures, part of the tail gas can enter a water collection tank 23 in the desulfurization tank 3, part of the tail gas can be filtered by contacting with a dust filtering net 20 along with the flow of the tail gas, after entering a circulating chamber 18, the tail gas enters the circulating pipe 6 through a circulating port 19 and then circulates and contacts with the lime slurry sprayed by a spray head 22 in the desulfurization tank 3 to be desulfurized, then the regulating valve 7 in the circulating pipe 6 is closed, allowing the desulfurized tail gas to enter the filter chamber 17 to carry out secondary desulfurization and impurity adsorption with the solid desulfurization layer 16 and the activated carbon layer 15 in the filter chamber 17, wherein the filter chamber 17 can be a solid flue gas desulfurizing agent, the tail gas after the desulfurization enters the catalytic chamber 13 through the filter chamber 17 to contact with the UV ultraviolet lamp 14 to decompose sulfur compounds, the generated sulfur simple substance is nontoxic, then starting the discharge pipe 12 to suck the purified tail gas discharged from the exhaust port 10 in the filter box 8 into the exhaust fan 11 to be discharged, opening the ash cleaning guide plate 27 at the left side bottom of the filter box 8, driving the sliding screw 26 in the filter box 8 to rotate by starting the rotating motor 24, allowing the cleaning brush 25 to move up and down outside the sliding screw 26 to clean the dust filtering net 20, allowing the dust filtering net 20 to sweep into the bottom of the filter box 8, the dust is discharged and cleaned through a notch at the bottom of the filter box 8.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423054513.9U CN223530202U (en) | 2024-12-11 | 2024-12-11 | A sulfur dioxide tail gas recycling absorption treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423054513.9U CN223530202U (en) | 2024-12-11 | 2024-12-11 | A sulfur dioxide tail gas recycling absorption treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223530202U true CN223530202U (en) | 2025-11-11 |
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ID=97573756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423054513.9U Active CN223530202U (en) | 2024-12-11 | 2024-12-11 | A sulfur dioxide tail gas recycling absorption treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223530202U (en) |
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2024
- 2024-12-11 CN CN202423054513.9U patent/CN223530202U/en active Active
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