CN220834671U - Polyurethane screen cloth production exhaust treatment device - Google Patents

Abstract

The utility model relates to the technical field of polyurethane and discloses a waste gas treatment device for polyurethane screen production, which comprises a spray tank, a filtering tank and a photolysis tank, wherein a guide pipe is arranged at the top side of the spray tank, a connecting pipe I is fixedly connected between the guide pipe and the filtering tank, a connecting pipe II is fixedly connected below one side, close to the filtering tank, of the filtering tank, an air inlet pipe is fixedly connected below the front side of the spray tank, an air outlet pipe is fixedly connected with the top side of the photolysis tank. According to the utility model, the contact between the waste gas and the filter box is increased, so that the filtering efficiency is improved, the filter box can be conveniently disassembled and assembled, and the filter bags with excessive impurities in the filter box can be replaced, so that the working flexibility is improved.

Description

Polyurethane screen cloth production exhaust treatment device

Technical Field

The utility model relates to the technical field of polyurethane, in particular to a waste gas treatment device for polyurethane screen production.

Background

The polyurethane steel wire screen has the characteristics of attractive appearance, bright color, light weight, high mechanical strength, heat insulation, sound insulation, corrosion resistance, good weather resistance and the like, and waste gas can be generated in the process of processing and producing the polyurethane screen, so that waste gas purification treatment is needed.

Through retrieval, chinese patent discloses a polyurethane screen production waste gas processor (bulletin number is CN 218339382U), which comprises a filter box, an air inlet cylinder and an air pipe, wherein an air inlet is formed in the upper part of the right end of the filter box, the air inlet cylinder is communicated with the air inlet, an air outlet is formed in the upper part of the left end of the filter box, and the air pipe is communicated with the air outlet; still include dust collector, draught fan, multiunit guide plate, multiunit activated carbon layer, three-way pipe, burner and two sets of valves, be provided with dust collector in the air inlet cylinder, the draught fan is installed on the rose box lateral wall, draught fan input and tuber pipe output intercommunication, multiunit guide plate is the staggered installation in position respectively on the rose box inside wall, multiunit activated carbon layer is installed respectively inside the rose box between multiunit guide plate, the three-way pipe intercommunication sets up on the draught fan output, two sets of valves communicate respectively and set up on two outputs of three-way pipe.

Although the above-mentioned technology of retrieving patent can make the waste gas pass through the multilayer active carbon layer in proper order and carry out filtration treatment, but the active carbon layer filters many times and can make the problem of piling up impurity on the active carbon to lead to the filter effect to descend, therefore, the person skilled in the art provides a polyurethane screen production waste gas treatment device to solve the problem that the above-mentioned background art put forward.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a polyurethane screen production waste gas treatment device which aims to overcome the defects in the waste gas filtering aspect in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a polyurethane screen cloth production exhaust treatment device, includes spray tank, filtration jar and photolysis jar, and the pipe is installed to the topside of spray tank, fixedly connected with connecting pipe one between pipe and the filtration jar, the below fixedly connected with connecting pipe two of the close one side of filtration jar and photolysis jar, the front side below fixedly connected with intake pipe of spray tank, the topside fixedly connected with outlet duct of photolysis jar the subassembly that intakes is installed in the left side of spray tank, the internally mounted of spray tank has a plurality of spray assemblies, spray assembly links to each other with the subassembly that intakes, the bottom fixedly connected with fluid-discharge tube of spray tank, the bottom rotation of the inside of filtration jar is connected with the bull stick, a plurality of filter discs of outer wall middle-end fixedly connected with of bull stick, the top fixedly connected with flabellum of bull stick, the outer wall of filtration jar is through hinge connection has a jar door.

Through above-mentioned technical scheme, waste gas passes through the intake pipe and gets into in the spray tank, through spraying subsidence back and get into the filter tank through pipe and connecting pipe one in proper order and filter, later through in the connecting pipe two gets into the photolysis jar, through last purification treatment, through the gaseous after the outlet duct exhaust purification, accomplish the purification.

Further, the water inlet assembly comprises a branch pipe, the input end of the branch pipe is connected with a water inlet pipe through a flange plate, and the branch pipe is arranged on the outer wall of the spray tank.

Through above-mentioned technical scheme, through inlet tube input water entering bleeder, and then will spray the water input annular pipe of usefulness in the middle of through the bleeder.

Further, spray the subassembly and include the annular pipe, a plurality of shower nozzles are installed to the inner periphery of annular pipe, the input of annular pipe links to each other with the output of bleeder.

Through above-mentioned technical scheme, waste gas gets into the spray tank after, spouts water smoke through the shower nozzle, contacts with the material that dissolves in water in the waste gas, and then takes away the partial harmful substance in the waste gas, and the waste liquid falls into the bottom side of spray tank and discharges through the fluid-discharge tube.

Further, the filter disc comprises a mounting frame, the center fixed connection of mounting frame is on the outer wall of bull stick, a plurality of logical grooves have been seted up to the inside of mounting frame, a plurality of filtration boxes are installed through the block subassembly to logical inslot wall.

Through above-mentioned technical scheme, the mounting bracket rotates in step under the drive of bull stick, and then filters waste gas through the filtration box of mounting bracket on, clears away the harmful substance in the waste gas.

Further, the clamping assembly comprises a plurality of clamping pieces and a plurality of clamping grooves, the clamping grooves are respectively formed in the outer wall of the filter box, the clamping pieces are respectively and fixedly connected to the inner wall of the through groove, and the clamping pieces are in interference fit with the clamping grooves.

Through above-mentioned technical scheme, can be with the filter cassette free dismouting on the mounting bracket through fastener and draw-in groove, change the filter cassette.

Further, a spiral channel is formed in the catheter, and the spiral channel is spiral.

Through above-mentioned technical scheme, can slow down the speed of waste gas through spiral passageway, and then make waste gas have longer time to carry out purification treatment in purification treatment process, reduce the harmful substance content in the waste gas.

Further, a plurality of ultraviolet tube are installed to the inner wall of photolysis jar, spray tank, filtration jar and photolysis jar's bottom side all fixedly connected with support.

Through the technical scheme, in the third step of treatment, the ultraviolet light irradiated by the ultraviolet lamp tube in the photolysis tank is used for treating the waste gas and decomposing pollutants in the waste gas.

The utility model has the following beneficial effects:

1. According to the utility model, through the mutual matching of the filter box, the clamping piece, the clamping groove, the mounting rack and the fan blades, the filter box can be rotated when waste gas flows, the contact between the waste gas and the filter box is increased, the filtering efficiency is further improved, the filter box can be conveniently disassembled and assembled, and the filter bags with excessive impurities in the filter box are replaced, so that the working flexibility is improved.

2. According to the utility model, through the mutual matching of the water inlet pipe, the branch pipe, the annular pipe and the spray head, waste gas can be sprayed first, and soluble pollutants in the waste gas are carried away by utilizing water, so that a part of pollutants are treated, and the working precision and efficiency are improved.

Drawings

FIG. 1 is a perspective view of a polyurethane screen production exhaust gas treatment device according to the present utility model;

FIG. 2 is a schematic diagram of the internal structure of a spray tank of the polyurethane screen production waste gas treatment device;

FIG. 3 is a schematic diagram of the internal structure of a filter tank of a polyurethane screen production waste gas treatment device according to the present utility model;

FIG. 4 is a schematic diagram of the internal structure of a photolysis tank of a polyurethane screen production waste gas treatment device according to the present utility model;

FIG. 5 is a schematic diagram of a conduit structure of a polyurethane screen production exhaust gas treatment device according to the present utility model;

FIG. 6 is a schematic diagram of a filtering assembly of a polyurethane screen production exhaust gas treatment device according to the present utility model;

fig. 7 is a schematic diagram of a spray assembly of a polyurethane screen production exhaust gas treatment device according to the present utility model.

Legend description:

1. A spray tank; 2. a filter tank; 3. a photolysis tank; 4. a conduit; 5. a first connecting pipe; 6. a second connecting pipe; 7. an air inlet pipe; 8. an air outlet pipe; 9. a water inlet pipe; 10. a branch pipe; 11. an annular tube; 12. a liquid discharge pipe; 13. a rotating rod; 14. a fan blade; 15. a mounting frame; 16. a filter box; 17. a clamping piece; 18. a tank door; 19. a spiral channel; 20. a spray head; 21. an ultraviolet lamp tube.

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 fig. 1-3, one embodiment provided by the present utility model is: the utility model provides a polyurethane screen cloth production exhaust treatment device, including spray tank 1, filter tank 2 and photolysis tank 3, the pipe 4 is installed to the top side of spray tank 1, fixedly connected with connecting pipe one 5 between pipe 4 and the filter tank 2, fixedly connected with connecting pipe two 6 below the close one side of filter tank 2 and photolysis tank 3, fixedly connected with intake pipe 7 below the front side of spray tank 1, the top side fixedly connected with outlet duct 8 of photolysis tank 3, the left side of spray tank 1 is installed and is gone into the subassembly, the internally mounted of spray tank 1 has a plurality of spray assemblies, spray assembly links to each other with the subassembly that goes into, the bottom side fixedly connected with fluid-discharge tube 12 of spray tank 1, the bottom rotation of the inside of filter tank 2 is connected with bull stick 13, the outer wall middle-end fixedly connected with a plurality of filter discs of bull stick 13, the top fixedly connected with flabellum 14 of bull stick 13, the outer wall of filter tank 2 has jar door 18 through the hinge connection;

Specifically, waste gas enters the spray tank 1 through the air inlet pipe 7, sequentially enters the filter tank 2 through the guide pipe 4 and the first connecting pipe 5 for filtering after being sprayed and settled, then enters the photolysis tank 3 through the second connecting pipe 6, and finally is purified by discharging purified gas through the air outlet pipe 8, so that purification is completed. The outer walls of the tank door 18 and the filter tank 2 are provided with lugs, and the two lugs can be connected through locks or bolts and nuts, so that the tank door 18 is closed and fixed on the filter tank 2.

Referring to fig. 1, 2 and 7, the water inlet assembly comprises a branch pipe 10, wherein the input end of the branch pipe 10 is connected with a water inlet pipe 9 through a flange, and the branch pipe 10 is arranged on the outer wall of the spray tank 1; the spraying assembly comprises an annular pipe 11, a plurality of spray heads 20 are arranged on the inner periphery of the annular pipe 11, and the input end of the annular pipe 11 is connected with the output end of the branch pipe 10;

Specifically, the spray head 20 is of a type that sprays water mist, which can increase the contact area with the exhaust gas, thereby increasing the reaction rate of water and pollutants in the exhaust gas during spraying. Through the water input to inlet tube 9, water gets into branch pipe 10 through inlet tube 9, and rethread branch pipe 10 will spray in the middle of the water input annular pipe 11 that uses, carry each shower nozzle 20 through annular pipe 11, through shower nozzle 20 blowout water smoke, contact with the material of dissolving in water in the waste gas, and then take away the partial harmful substance in the waste gas, the waste liquid falls into the bottom side of spray tank 1 and discharges through fluid-discharge tube 12.

Referring to fig. 3 and 6, the filter disc comprises a mounting frame 15, wherein the center of the mounting frame 15 is fixedly connected to the outer wall of the rotating rod 13, a plurality of through grooves are formed in the mounting frame 15, and a plurality of filter boxes 16 are mounted on the inner walls of the through grooves through clamping components; the clamping assembly comprises a plurality of clamping pieces 17 and a plurality of clamping grooves, the clamping grooves are respectively formed in the outer wall of the filter box 16, the clamping pieces 17 are respectively and fixedly connected to the inner wall of the through groove, and the clamping pieces 17 are in interference fit with the clamping grooves;

Specifically, the filter box 16 can be opened and closed, and a filter bag for filtering is installed inside the filter box, and the outside of the filter bag is composed of textile cloth, and materials capable of filtering waste gas, such as activated carbon, are arranged inside the textile cloth. The bottom end of the clamping piece 17 is provided with a part capable of limiting the clamping groove, so that the filter box 16 is prevented from sliding downwards after being mounted, and the position of the filter box 16 is fixed. The top side of the filter cartridge 16 is provided with a plurality of through holes. The flow of waste gas will drive flabellum 14 and rotate, and then drive bull stick 13 and rotate, and mounting bracket 15 rotates in step under the drive of bull stick 13, and waste gas then gets into through-hole on the filter box 16 of installation on the mounting bracket 15 and filters box 16 in the middle, contacts with the package of straining in the middle of the filter box 16, and then filters waste gas, clears away the harmful substance in the waste gas. The engaging member 17 can be disengaged from or mounted on the engaging groove in a sliding manner, so that the filter cartridge 16 can be detached or mounted, and the filter pack in the filter cartridge 16 can be replaced.

Referring to fig. 1 and 5, a spiral channel 19 is formed in the catheter 4, and the spiral channel 19 is spiral;

specifically, through the spiral structure of the spiral channel 19, the flowing distance of the waste gas is prolonged, and then the speed of the waste gas is slowed down, so that the waste gas is purified for a longer time in the purification treatment process, and the content of harmful substances in the waste gas is reduced.

Referring to fig. 1 and 4, a plurality of ultraviolet lamps 21 are installed on the inner wall of the photolysis tank 3, and brackets are fixedly connected to the bottom sides of the spray tank 1, the filter tank 2 and the photolysis tank 3;

Specifically, the ultraviolet light irradiated from the ultraviolet lamp tube 21 in the photolysis tank 3 treats the waste gas, and the ultraviolet light has higher light energy, so that some organic pollutant molecules can be cracked and decomposed into smaller and simpler molecules, and the concentration of some organic substances (such as volatile organic substances) can be reduced, so that pollutants in the waste gas can be decomposed.

Working principle: firstly, in the spray tank 1 is discharged waste gas through intake pipe 7, through the water to inlet tube 9 input, water gets into branch pipe 10 through inlet tube 9, in the middle of the water input annular pipe 11 that rethread branch pipe 10 will spray usefulness, carry each shower nozzle 20 through annular pipe 11, spray through shower nozzle 20, contact with the material of dissolving in water in the waste gas, and then take away the partial harmful substance in the waste gas, the waste liquid falls into the bottom side of spray tank 1 and discharges through fluid-discharge tube 12, the waste gas after spraying passes through pipe 4 and connecting pipe 5 in proper order and gets into filter tank 2, the helical structure in pipe 4 can prolong the flow distance of waste gas, and then slow down the speed of waste gas, make waste gas carry out purification treatment in the time that has longer, after getting into filter tank 2, the flow of waste gas will drive flabellum 14 and rotate, and then drive bull stick 13 and rotate in step under the drive of bull stick 13, waste gas and then get into filter box 16 through the through-hole on the filter box 16 of installing on the mounting bracket 15 in the middle of filter box 16, filter the filter bag in the middle of filter box 16 carries out the connection, filter the waste gas in proper order, the waste gas after that carries out the filtration, the waste gas in the waste gas after that goes into the ultraviolet lamp 3, the ultraviolet lamp 3 is irradiated in the ultraviolet lamp 3, can be purified to the waste gas in the ultraviolet lamp 3. The cartridge 16 can be removed or installed by opening the door 18 and sliding the engaging member 17 off or into the engaging groove, thereby replacing the filter cartridge in the filter cartridge 16.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The utility model provides a polyurethane screen cloth production exhaust treatment device, includes spray tank (1), filtration jar (2) and photolysis jar (3), its characterized in that: the top side of spray tank (1) is installed pipe (4), fixedly connected with connecting pipe one (5) between pipe (4) and the filter tank (2), the below fixedly connected with connecting pipe two (6) of the close one side of filter tank (2) and photolysis tank (3), the front side below fixedly connected with intake pipe (7) of spray tank (1), the top side fixedly connected with outlet duct (8) of photolysis tank (3) the left side of spray tank (1) is installed into water subassembly, the internally mounted of spray tank (1) has a plurality of spray assemblies, spray the subassembly and the subassembly that intakes link to each other, the bottom side fixedly connected with fluid-discharge tube (12) of spray tank (1), the bottom rotation of the inside of filter tank (2) is connected with bull stick (13), the outer wall middle-end fixedly connected with a plurality of filter disks of bull stick (13), the top fixedly connected with flabellum (14) of bull stick (13), the outer wall of filter tank (2) is through hinge connection has jar door (18).

2. The polyurethane screen production exhaust treatment device of claim 1, wherein: the water inlet assembly comprises a branch pipe (10), the input end of the branch pipe (10) is connected with a water inlet pipe (9) through a flange plate, and the branch pipe (10) is arranged on the outer wall of the spray tank (1).

3. A polyurethane screen production exhaust treatment apparatus as claimed in claim 2, wherein: the spraying assembly comprises an annular pipe (11), a plurality of spray heads (20) are arranged on the inner periphery of the annular pipe (11), and the input end of the annular pipe (11) is connected with the output end of the branch pipe (10).

4. The polyurethane screen production exhaust treatment device of claim 1, wherein: the filter disc comprises a mounting frame (15), the center of the mounting frame (15) is fixedly connected to the outer wall of the rotating rod (13), a plurality of through grooves are formed in the mounting frame (15), and a plurality of filter boxes (16) are mounted on the inner walls of the through grooves through clamping components.

5. The polyurethane screen production exhaust treatment device of claim 4, wherein: the clamping assembly comprises a plurality of clamping pieces (17) and a plurality of clamping grooves, wherein the clamping grooves are respectively formed in the outer wall of the filter box (16), the clamping pieces (17) are respectively and fixedly connected to the inner wall of the through groove, and the clamping pieces (17) are in interference fit with the clamping grooves.

6. The polyurethane screen production exhaust treatment device of claim 1, wherein: a spiral channel (19) is formed in the catheter (4), and the spiral channel (19) is spiral.

7. The polyurethane screen production exhaust treatment device of claim 1, wherein: the inner wall of the photolysis tank (3) is provided with a plurality of ultraviolet lamp tubes (21), and the bottom sides of the spray tank (1), the filter tank (2) and the photolysis tank (3) are fixedly connected with brackets.