CN215585855U - External heat sink of hazardous waste spray tower circulating waste water - Google Patents

Abstract

The application relates to a dangerous waste spray tower circulating wastewater external cooling device, which belongs to the technical field of spray towers and comprises a water inlet pipe and a water outlet pipe, wherein the water inlet pipe is communicated with a spray pipe, the water outlet pipe is communicated with a water tank, and one end of the water inlet pipe, which is far away from the spray pipe, and one end of the water outlet pipe, which is far away from the water tank, penetrate through a tower body of the spray tower; a filtering component for filtering the wastewater discharged by the drain pipe is arranged outside the spray tower body; a cooling component for cooling the water filtered by the filtering component is arranged outside the spray tower body; a water return component used for injecting water into the spray pipe is arranged between the cooling component and the water inlet pipe. This application has the effect that reduces the content of the vapor in discharging the flue gas from discharging the section of thick bamboo.

Description

External heat sink of hazardous waste spray tower circulating waste water

Technical Field

The application relates to the technical field of spray towers, in particular to an external cooling device for circulating wastewater of a dangerous waste spray tower.

Background

With the increasing emphasis on environmental protection in China and the public, the emission standard of polluted waste gas and the execution strength thereof are more and more strict; the spray tower is one of flue gas treatment equipment in the waste gas treatment process, and the spray tower system occupies a prominent position in the waste gas treatment.

In the related technology, the spray tower comprises a spray tower body, a smoke inlet pipe communicated with the bottom end of the spray tower body, and a discharge cylinder communicated with the top end of the spray tower body; a spray pipe is fixedly arranged in the spray tower body, the outer side wall of the spray pipe is communicated with a plurality of spray heads, and the spray direction of the spray heads is downward; one end of the spray pipe is fixedly connected with a water inlet pipe; the bottom of the spray tower body is provided with a water tank with an upper opening, the inner bottom wall of the water tank is fixedly provided with a water pump, and one end of the water pump is fixedly connected with one end of the water inlet pipe, which is far away from the spray pipe; water in the water tank enters the spray pipe under the action of the water pump, water in the spray pipe is sprayed out through the spray head and then is treated by smoke in the spray tower, the treated smoke falls into the water tank, and the effect of spraying by recycling water in the water tank for multiple times is achieved.

In view of the above-mentioned related art, the applicant believes that the defects that the temperature of the circulating spraying wastewater solution is maintained at 70-100 ℃ due to multiple cycles of water, so that the smoke discharged through the discharge cylinder contains a large amount of water vapor, and the appearance of people around the smoke is affected exist.

SUMMERY OF THE UTILITY MODEL

In order to reduce the content of the vapor that discharges out in the flue gas from discharging the section of thick bamboo, this application provides an external heat sink of hazardous waste spray column circulation waste water.

The application provides a pair of external heat sink of hazardous waste spray tower circulation waste water adopts following technical scheme:

a dangerous waste spray tower circulating wastewater external cooling device is characterized in that a spray pipe is fixedly arranged in a spray tower body; the inner bottom wall of the spray tower body is provided with a water tank with an upper opening; the spray tower comprises a water inlet pipe and a water outlet pipe, wherein the water inlet pipe is communicated with a spray pipe, the water outlet pipe is communicated with a water tank, and one end of the water inlet pipe, which is far away from the spray pipe, and one end of the water outlet pipe, which is far away from the water tank, penetrate through a spray tower body; a filtering component for filtering the wastewater discharged by the drain pipe is arranged outside the spray tower body; a cooling component for cooling the water filtered by the filtering component is arranged outside the spray tower body; a water return component used for injecting water into the spray pipe is arranged between the cooling component and the water inlet pipe.

Through adopting above-mentioned technical scheme, the waste water that falls into in the water tank that the spray column has handled the flue gas passes through the drain pipe and gets into in the filter assembly, filter assembly carries out filtration treatment to waste water, the waste water that the process was filtered assembly and has handled gets into cooling assembly, cooling assembly cools down water, water after the cooling gets into in the spray column through return water subassembly, reached the effect that cools down to the water of spray column inner loop, and then reached the effect that reduces the content of the vapor that discharges out in the flue gas from the emission section of thick bamboo.

Optionally, the filtering component comprises a filtering box, a filtering screen, non-woven fabrics and an activated carbon plate; the filter screen, the non-woven fabric and the activated carbon plate are fixedly connected with the inner side wall of the filter box; the filter screen, the non-woven fabric and the activated carbon plate are sequentially arranged from top to bottom; the top end of the filter box and one end of the drain pipe, which is far away from the spray tower body, are fixedly connected and communicated, and a hot water pump is arranged on the drain pipe; the bottom end of the filter box is fixedly connected and communicated with a hot water pipe, and the cooling assembly cools water flowing out of the hot water pipe.

Through adopting above-mentioned technical scheme, waste water in the drain pipe gets into the filtration of filter box back through filter screen, non-woven fabrics, active carbon board in proper order under the effect of hot-water pump, and the effect that reduces the aquatic impurity content of spray column inner loop has been reached in the water after the filtration passes through the hot-water line entering cooling subassembly, and then reduces the possibility of the shower nozzle jam on the shower pipe, makes spray column spray the effect better.

Optionally, one side wall of the filter box is provided with an opening, a cleaning door is rotatably connected to the outer side wall of the filter box close to the opening of the filter box, and the cleaning door is connected with the filter box through a bolt; the both ends of filter screen, the both ends of non-woven fabrics, the both ends of activated carbon plate all link firmly the dovetail, and the dovetail has been seted up to two lateral walls of rose box perpendicular to clearance door, and the dovetail slides in the dovetail.

By adopting the technical scheme, when the spray tower stops spraying, the bolt is screwed until the bolt is separated from the filter box, the cleaning door is opened, the filter screen, the non-woven fabric and the activated carbon plate are sequentially pulled in the direction away from the filter box, the filter screen, the non-woven fabric and the activated carbon plate respectively drive the dovetail strip to slide in the dovetail groove, the filter screen, the non-woven fabric and the activated carbon plate are sequentially taken out of the filter box, and the filter screen, the non-woven fabric, the activated carbon plate and the inner wall of the filter box are conveniently cleaned; after the cleaning is finished, the filter screen, the non-woven fabric and the activated carbon plate are sequentially inserted into the filter box, so that the filter screen, the non-woven fabric and the activated carbon plate are driven to be fixedly connected with the dovetail groove, the cleaning door is closed, and the filtering effect of the cleaned filtering component is better.

Optionally, a heat dissipation box is arranged between the filter box and the drain pipe, a buffer tube is arranged between the filter box and the heat dissipation box, one end of the buffer tube is fixedly connected and communicated with the top end of the filter box, and the other end of the buffer tube is fixedly connected and communicated with the top end of the heat dissipation box; one end of the drain pipe, which is far away from the spray tower body, penetrates through the heat dissipation box and is positioned at the bottom of the heat dissipation box; the outer side wall of the heat dissipation box is fixedly provided with a plurality of heat dissipation plates.

Through adopting above-mentioned technical scheme, waste water in the drain pipe gets into the heat dissipation case, and the radiating plate has accelerated the radiating efficiency of heat dissipation case, and waste water after the heat dissipation of heat dissipation case passes through the buffer tube and gets into the rose box in, reduces because the possibility of waste water high temperature to the filter assembly damage, makes the temperature after the waste water cools down the subassembly lower simultaneously.

Optionally, the cooling assembly comprises a tubular heat exchanger, a cooling water tower and a bracket, wherein the cooling water tower is fixedly arranged on the bracket; the hot water inlet of the tubular heat exchanger is communicated with a hot water pipe; a cold water outlet of the tubular heat exchanger is fixedly connected with a cold water pipe, and a cold water pump is arranged on the cold water pipe; one end of the cold water pipe far away from the tubular heat exchanger is communicated with the cooling water tower, and the water in the cooling water tower is conveyed to the water inlet pipe by the water return component.

Through adopting above-mentioned technical scheme, the water in the hot-water line gets into tubular heat exchanger, and water gets into the cold water pipe after tubular heat exchanger cools down, and the water in the cold water pipe gets into cooling tower under the effect of cold water pump, and the water in the cooling tower passes through return water subassembly and gets into the inlet tube, has arrived and has cooled down and the effect of collecting to the waste water after spraying the flue gas, makes the temperature that gets into in the spray column once more reduce, has reached the effect that reduces the vapor content in discharging the flue gas from the emission section of thick bamboo.

Optionally, the water return assembly comprises a water injection pipe and a pressure pump; the one end and the cooling tower intercommunication of water injection pipe, the other end and the force (forcing) pump intercommunication of water injection pipe, the one end that the shower was kept away from to the one end and the inlet tube that the shower was kept away from to the force (forcing) pump link firmly and communicate.

Through adopting above-mentioned technical scheme, the water entering water injection pipe in the cooling tower, the water in the water injection pipe gets into the inlet tube under the effect of booster pump, makes things convenient for water to follow the shower nozzle blowout, makes the spray column spray the effect better, and then reduces the content of the vapor that discharges out the flue gas from the emission section of thick bamboo.

Optionally, a valve is arranged on the drain pipe.

Through adopting above-mentioned technical scheme, when needing to clear up filtering component, close the valve and clear up filtering component, the water in the cooling tower lasts through water injection pipe water injection in to the inlet pipe this moment, closes the spraying work that the valve does not hinder the spray column, conveniently clears up filtering component at the spray column during operation.

Optionally, the top end of the spray tower body is communicated with a discharge cylinder, and the inner side wall of the discharge cylinder is fixedly connected with a plurality of baffles; the baffle is vertical to the inner wall of the discharge cylinder, and the flow path of the flue gas in the discharge cylinder is in a snake shape.

Through adopting above-mentioned technical scheme, increased the discharge route of flue gas in the emission section of thick bamboo that sprays through the spray column and handle, the temperature reduces gradually when the flue gas discharges to the air through the emission section of thick bamboo in following the spray column, and then has reached the effect that reduces the content of the vapor that discharges out the flue gas from the emission section of thick bamboo.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the filtering component, the cooling component and the water return component, the treated water sequentially passes through the filtering component, the cooling component and the water return component and then enters the spray tower to perform spraying work, so that the temperature of the water entering the spray tower again is reduced, and the effect of reducing the content of water vapor in the flue gas discharged from the discharge cylinder is achieved;

2. through setting up the heat dissipation case, carry out once cooling before the water that has handled the flue gas gets into the cooling subassembly, and then make the temperature of the water after the cooling subassembly cooling is accomplished lower, reached the effect that the reduction discharges out the content of the vapor in the flue gas from discharging the section of thick bamboo.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a partial cross-sectional view showing a baffle;

fig. 3 is a partial view showing a filter assembly.

In the figure, 1, a cooling component; 11. a tubular heat exchanger; 12. a cooling water tower; 13. a support; 2. a filter assembly; 21. a filter box; 211. cleaning the door; 212. a dovetail groove; 213. a dovetail strip; 22. filtering with a screen; 23. non-woven fabrics; 24. an activated carbon plate; 3. a water return assembly; 31. a water injection pipe; 32. a pressure pump; 4. a spray tower body; 41. a shower pipe; 411. a water inlet pipe; 42. a water tank; 421. a drain pipe; 4211. a hot water pump; 4212. a valve; 5. a hot water pipe; 6. a heat dissipation box; 61. a heat dissipation plate; 7. a buffer tube; 8. a cold water pipe; 81. a cold water pump; 9. a discharge drum; 91. and a baffle plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses external heat sink of hazardous waste spray tower circulating waste water.

Referring to fig. 1 and 2, the external cooling device for the circulating wastewater of the hazardous waste spray tower comprises a cooling component 1, a filtering component 2, a water return component 3, a water inlet pipe 411 and a water outlet pipe 421; the cooling component 1, the filtering component 2 and the water return component 3 are all arranged outside the spray tower body 4; one end of the water inlet pipe 411 penetrates through the spray tower body 4 and is fixedly connected and communicated with the spray pipe 41; one end of the water discharge pipe 421 penetrates through the spray tower body 4 and is fixedly connected and communicated with the water tank 42; the filtering assembly 2 is used for filtering the waste water discharged from the drain pipe 421; the cooling component 1 is used for cooling the water filtered by the filtering component 2; the water return component 3 is used for injecting water cooled by the cooling component 1 into the water inlet pipe 411.

When the heat sink cooled down, the water of having handled the flue gas got into filtering component 2 through drain pipe 421, and waste water gets into in the cooling component 1 through filtering component 2's filtration, and water gets into inlet tube 411 under the effect of return water subassembly 3 through cooling component 1, and water gets into in shower 41 through inlet tube 411, has reached the effect that is used for the temperature of the water that sprays in the reduction spray column, and then has reached the effect that reduces the content of the vapor that discharges out in the flue gas from emission cylinder 9.

Referring to fig. 3, the filter assembly 2 includes a filter box 21, a filter screen 22, a non-woven fabric 23, an activated carbon plate 24; the filter screen 22, the non-woven fabric 23 and the activated carbon plate 24 are arranged in the filter box 21 from top to bottom, a gap is reserved between the filter screen 22 and the non-woven fabric 23, and a gap is reserved between the non-woven fabric 23 and the activated carbon plate 24; one side wall of the filter box 21 is provided with an opening, the outer side wall of the filter box 21 close to the opening of the filter box is rotatably connected with a cleaning door 211, and the cleaning door 211 is fixedly connected with the filter box 21 through a bolt; the two side walls of the filter box 21 perpendicular to the opening of the filter box are respectively provided with a plurality of dovetail grooves 212, the two ends of the filter screen 22, the two ends of the non-woven fabric 23 and the two ends of the activated carbon plate 24 are respectively and fixedly provided with a dovetail strip 213, and the dovetail strips 213 slide in the dovetail grooves 212.

Referring to fig. 3, a heat dissipation box 6 is arranged outside the spray tower body 4, and a plurality of heat dissipation plates 61 are fixedly arranged on the outer side wall of the heat dissipation box 6; one end of the drain pipe 421, which is far away from the spray tower body 4, penetrates through the heat dissipation box 6 and is positioned at the bottom of the heat dissipation box 6, one end of the drain pipe 421, which is close to the spray tower body 4, is provided with a valve 4212, and one side of the drain pipe 421, which is far away from the spray tower body 4, is provided with a hot water pump 4211; a buffer tube 7 is arranged between the heat dissipation box 6 and the filter box 21, one end of the buffer tube 7 is fixedly connected and communicated with the top end of the heat dissipation box 6, and the other end of the buffer tube 7 is fixedly connected and communicated with the top end of the filter box 21; the bottom of the filter box 21 is fixedly connected and communicated with a hot water pipe 5; the water filtered by the filtering component 2 enters the cooling component 1 through the hot water pipe 5.

Waste water discharged from the drain pipe 421 enters the heat dissipation box 6 under the action of the hot water pump 4211, the waste water enters the filter box 21 after the heat dissipation of the heat dissipation box 6, the waste water sequentially passes through the filter screen 22, the non-woven fabric 23 and the activated carbon plate 24 in the filter box 21 and then enters the hot water pipe 5, impurities in water entering the cooling assembly 1 are reduced, impurities in the water entering the spray pipe 41 are reduced, the possibility of blockage of a spray head is reduced, and the spraying effect of the spray tower is better.

After the filtering component 2 treats wastewater for a long time, when the filtering component 2 needs to be cleaned, the valve 4212 is closed, the bolt is screwed to separate the bolt from the filtering box 21, the filter screen 22, the non-woven fabric 23 and the activated carbon plate 24 are pulled in sequence in the direction away from the filtering box 21, the filter screen 22, the non-woven fabric 23 and the activated carbon plate 24 all drive the dovetail strip 213 fixedly connected with the filter screen 22, the non-woven fabric 23 and the activated carbon plate 24 to slide in the dovetail groove 212 until the filter screen 22, the non-woven fabric 23 and the activated carbon plate 24 are taken out from the filtering box 21, and the cleaning of the filter screen 22, the non-woven fabric 23 and the activated carbon plate 24 is facilitated.

Referring to fig. 1, the cooling device includes a tubular heat exchanger 11, a cooling tower 12, and a bracket 13, wherein the cooling tower 12 is fixedly arranged on the bracket 13; the water return component 3 comprises a water injection pipe 31 and a pressure pump 32; a hot water inlet of the tubular heat exchanger 11 is fixedly connected and communicated with the hot water pipe 5; a cold water outlet of the tubular heat exchanger 11 is fixedly connected and communicated with a cold water pipe 8, and a cold water pump 81 is arranged on the cold water pipe 8; one end of the cold water pipe 8 far away from the tubular heat exchanger 11 is fixedly connected and communicated with a cooling water tower 12; the cooling water tower 12 is fixedly connected and communicated with the water injection pipe 31, one end of the water injection pipe 31 far away from the cooling water tower 12 is fixedly connected with the booster pump 32, and one end of the booster pump 32 far away from the water injection pipe 31 is fixedly connected and communicated with the water inlet pipe 411.

Water after filtering subassembly 2 filters gets into tubular heat exchanger 11 through hot-water line 5, water gets into cold water pipe 8 after tubular heat exchanger 11 cools down, water in the cold water pipe 8 gets into cooling tower 12 under the effect of cold water pump 81, water in the cooling tower 12 gets into water injection pipe 31, water in the water injection pipe 31 gets into behind inlet tube 411 and in getting into shower 41 under the effect of force (forcing) pump 32, the effect of cooling down to the water of shower inner loop has been reached, and then the content of the vapor that discharges out the flue gas from emission cylinder 9 is reduced.

Referring to fig. 2, a plurality of baffles 91 are fixedly arranged on the inner wall of the discharge tube 9 arranged at the top end of the spray tower body 4, and the baffles 91 are perpendicular to the inner wall of the discharge tube 9; the flow path of flue gas in the emission cylinder 9 is snakelike, has increased the flue gas from the interior exhaust route of emission cylinder 9, and when the flue gas in the spray column tower body 4 was discharged from emission cylinder 9, further cooling had reduced the content of the vapor in the flue gas that discharges out from emission cylinder 9.

The implementation principle of the external cooling device of hazardous waste spray tower circulating wastewater of the embodiment of the application is as follows: high-temperature wastewater in the spray tower enters the heat dissipation box 6 through the drain pipe 421 under the action of the hot water pump 4211, and the wastewater enters the filter box 21 through the buffer pipe 7 after being dissipated heat by the heat dissipation box 6; the wastewater enters the hot water pipe 5 after being sequentially filtered by the filter screen 22, the non-woven fabric 23 and the activated carbon plate 24; water is cooled down in getting into tubular heat exchanger 11 through hot-water line 5, water after the cooling of tubular heat exchanger 11 gets into cooling tower 12 through cold water pipe 8 under the effect of cold water pump 81 in, water in cooling tower 12 is through the booster pump 32 pressurization in getting into inlet tube 411 through water injection pipe 31, water in the inlet tube 411 gets into in the shower 41, the effect of cooling down to the water of shower inner loop has been reached, and then reached and reduced the effect of discharging the content of the vapor in the flue gas from emission section of thick bamboo 9.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A dangerous waste spray tower circulating wastewater external cooling device, a spray pipe (41) is fixedly arranged in a spray tower body (4); a water tank (42) with an upper opening is arranged on the inner bottom wall of the spray tower body (4); the method is characterized in that: the device comprises a water inlet pipe (411) communicated with a spray pipe (41) and a water outlet pipe (421) communicated with a water tank (42), wherein one end of the water inlet pipe (411) far away from the spray pipe (41) and one end of the water outlet pipe (421) far away from the water tank (42) both penetrate through a spray tower body (4); a filtering component (2) for filtering the wastewater discharged by the water discharge pipe (421) is arranged outside the spray tower body (4); a cooling component (1) for cooling the water filtered by the filtering component (2) is arranged outside the spray tower body (4); a water return component (3) used for injecting water into the spray pipe (41) is arranged between the cooling component (1) and the water inlet pipe (411).

2. The external cooling device for the circulating wastewater of the hazardous waste spray tower of claim 1, wherein: the filter component (2) comprises a filter box (21), a filter screen (22), non-woven fabrics (23) and an activated carbon plate (24); the filter screen (22), the non-woven fabric (23) and the activated carbon plate (24) are fixedly connected with the inner side wall of the filter box (21); the filter screen (22), the non-woven fabric (23) and the activated carbon plate (24) are sequentially arranged from top to bottom; the top end of the filter box (21) is fixedly connected and communicated with one end of the drain pipe (421) far away from the spray tower body (4), and a hot water pump (4211) is arranged on the drain pipe (421); the bottom end of the filter box (21) is fixedly connected and communicated with a hot water pipe (5), and the cooling assembly (1) cools water flowing out of the hot water pipe (5).

3. The external cooling device for the circulating wastewater of the hazardous waste spray tower of claim 2, wherein: one side wall of the filter box (21) is provided with an opening, the outer side wall of the filter box (21) close to the opening of the filter box is rotatably connected with a cleaning door (211), and the cleaning door (211) is connected with the filter box (21) through a bolt; two ends of the filter screen (22), two ends of the non-woven fabric (23) and two ends of the activated carbon plate (24) are fixedly connected with dovetail strips (213), two side walls of the filter box (21) perpendicular to the cleaning door (211) are provided with dovetail grooves (212), and the dovetail strips (213) slide in the dovetail grooves (212).

4. The external cooling device for the circulating wastewater of the hazardous waste spray tower of claim 3, wherein: a heat dissipation box (6) is arranged between the filter box (21) and the drain pipe (421), a buffer pipe (7) is arranged between the filter box (21) and the heat dissipation box (6), one end of the buffer pipe (7) is fixedly connected and communicated with the top end of the filter box (21), and the other end of the buffer pipe (7) is fixedly connected and communicated with the top end of the heat dissipation box (6); one end of the drain pipe (421), which is far away from the spray tower body (4), penetrates through the heat dissipation box (6) and is positioned at the bottom of the heat dissipation box (6); the outer side wall of the heat dissipation box (6) is fixedly provided with a plurality of heat dissipation plates (61).

5. The external cooling device for the circulating wastewater of the hazardous waste spray tower of claim 2, wherein: the cooling assembly (1) comprises a tubular heat exchanger (11), a cooling water tower (12) and a bracket (13), wherein the cooling water tower (12) is fixedly arranged on the bracket (13); a hot water inlet of the tubular heat exchanger (11) is communicated with a hot water pipe (5); a cold water outlet of the tubular heat exchanger (11) is fixedly connected with a cold water pipe (8), and a cold water pump (81) is arranged on the cold water pipe (8); one end of the cold water pipe (8) far away from the tubular heat exchanger (11) is communicated with the cooling water tower (12), and the water in the cooling water tower (12) is conveyed to the water inlet pipe (411) by the water return component (3).

6. The external cooling device for the circulating wastewater of the hazardous waste spray tower of claim 5, wherein: the water return component (3) comprises a water injection pipe (31) and a pressure pump (32); one end of the water injection pipe (31) is communicated with the cooling water tower (12), the other end of the water injection pipe (31) is communicated with the booster pump (32), and one end of the booster pump (32) far away from the water injection pipe (31) is fixedly connected and communicated with one end of the water inlet pipe (411) far away from the spray pipe (41).

7. The external cooling device for the circulating wastewater of the hazardous waste spray tower of claim 5, wherein: and a valve (4212) is arranged on the water discharge pipe (421).

8. The external cooling device for the circulating wastewater of the hazardous waste spray tower of claim 1, wherein: the top end of the spray tower body (4) is communicated with a discharge cylinder (9), and the inner side wall of the discharge cylinder (9) is fixedly connected with a plurality of baffle plates (91); the baffle (91) is vertical to the inner wall of the discharge cylinder (9), and the flow path of the flue gas in the discharge cylinder (9) is serpentine.

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