CN216778370U

CN216778370U - Waste gas treatment device

Info

Publication number: CN216778370U
Application number: CN202122841173.4U
Authority: CN
Inventors: 陈百球; 陈文超
Original assignee: Jiangmen Bailida Waterborne Coating Co ltd
Current assignee: Jiangmen Bailida Waterborne Coating Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-06-21
Anticipated expiration: 2031-11-19

Abstract

A waste gas treatment device is provided with a cooling pool, wherein the cooling pool is provided with a water inlet and a water outlet, a plurality of bend interlayers are arranged in the cooling pool, an air inlet pipe is arranged on an interlayer of the water inlet, an air inlet pipe of an exhaust fan is arranged on an interlayer of the water outlet, an air outlet of the exhaust fan is connected with an exhaust pipe, the exhaust fan is started to work, high-temperature mixed gas in a curing chamber is pumped into water in the cooling pool from the air inlet pipe for cooling treatment, the gas which is cooled and dissolved by the bend interlayers in the cooling pool reaches the standard of environmental protection emission, the problem that a waste gas treatment pipeline is easy to block and needs frequent maintenance, the pipeline is difficult to disassemble and clean and has high maintenance cost is solved, the cooling pool is provided with a shorter air inlet pipe in the curing chamber, the high-temperature mixed gas can be pumped into the cooling pool, and the high-temperature mixed gas is cooled by contacting with splashing water in the water and the water surface, the effect is good, the power of the exhaust fan can be reduced, the air exhaust can be realized, and the electric energy is saved.

Description

Waste gas treatment device

Technical Field

The utility model relates to the field of spraying tools, in particular to an exhaust gas treatment device.

Background

In the process of spraying (powder spraying) a product in an automatic spraying production line, a sprayed workpiece needs to be cured, usually, the workpiece is cured in a hot air curing chamber to generate a chemical reaction, and a coating is solidified on the surface of the workpiece to form a coating. Because the coating can produce a large amount of poisonous and harmful gas in the high-temperature curing process, mainly resin substances and other high-temperature volatile substances in the coating can be dissolved and mixed in the air, and the mixed gas can pollute the air after being discharged, the treatment is needed, and the discharge can be carried out after the mixed gas is qualified. The existing spraying curing gas treatment mode is complex, mixed gas in the treatment chamber is pumped out from a pipeline through an air exhauster, the mixed gas is cooled through a high water tower to separate out partial harmful lipid substances and substances dissolved in water, the gas after primary treatment is led to the active carbon treatment chamber again, is adsorbed by active carbon and is discharged again. In the treatment process, the mixed gas can be pumped into the water tower and the active carbon treatment chamber by using a high-power exhaust fan and then is discharged, so that the cost is high. And the mixed gas will have some substances to solidify and adhere to the pipeline in the course of delivering to the pipeline of the water tower, especially resin composition in the coating will solidify and adhere to and block up the pipeline in the pipeline, the bore diameter of the pipeline will become small slowly in the course of using, after less than a year or several months, the pipeline will be stopped up, can't use, the pipeline will become very heavy too, need to change or clear up the pipeline, and it is very difficult to clear up the adhering substance in the pipeline, the pipeline is heavy, it is difficult to dismantle, it is difficult to wash, very troublesome, cause and need to maintain many times, the cost is high.

Disclosure of Invention

In order to solve the problems that a pipeline is easy to block, frequent maintenance is needed, the pipeline is difficult to disassemble and clean, the maintenance cost is high and the like caused by the treatment of waste gas in the spraying and curing treatment process, the utility model provides the waste gas treatment device.

The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model provides a waste gas treatment device, includes intake pipe, blast pipe, air exhauster, cooling tank, the cooling tank is provided with water inlet and outlet, is provided with a plurality of bend interlayer inside the cooling tank, the cooling tank up end is provided with the upper cover, is provided with the intake pipe at the interlayer of water inlet, is provided with the air-supply line of air exhauster at the interlayer of outlet, and the air-supply line of air exhauster is in on the interlayer surface of water of outlet, and the air outlet and the blast pipe of air exhauster are connected, the air exhauster starts to discharge from the blast pipe after cooling down the high temperature gas mixture suction in the intake pipe to the cooling tank.

The water outlet outside of the cooling tank is provided with a water filtering groove, the outer wall of the water filtering groove is higher than the water outlet, the position of a drain pipe arranged in the water filtering groove is higher than the water outlet, water flowing out of the water outlet firstly enters the water filtering groove and is filled to the height of the drain pipe, then the water is discharged to the sewage purification tank through the drain pipe, and the sewage flowing out of the drain pipe is purified by the sewage purification tank.

And an air inlet pipe interface and an exhaust pipe interface are arranged on the upper cover of the cooling pool, an air inlet pipe is inserted into the air inlet pipe interface, and an air inlet pipe of an exhaust fan is inserted into the exhaust pipe interface.

The upper end of the air inlet pipe is connected with the bell mouth at the upper end of the curing chamber, the air inlet pipe is connected with the curing chamber and the cooling pool to form a channel, and the bell mouth is beneficial to the gas in the curing chamber to be pumped into the air inlet pipe more easily.

The air inlet pipe can be inserted into the water of the cooling pool, or the air inlet pipe is inserted into the water surface of the cooling pool, which is 3 to 10mm, preferably 5mm away from the water surface.

The upper cover is connected and fixed with the upper end surface of the cooling pool in a sealing manner.

The air inlet pipe interface is connected and fixed with the air inlet pipe in a sealing manner.

The exhaust pipe interface is connected and fixed with an air inlet pipe of the exhaust fan in a sealing manner.

The utility model has the beneficial effects that: the utility model provides a waste gas treatment device, the cooling tank is provided with water inlet and outlet, the cooling tank the inside is provided with a plurality of bend interlayer, interlayer at the water inlet is provided with the intake pipe, interlayer at the outlet is provided with the air-supply line of air exhauster, the air outlet and the blast pipe of air exhauster are connected, air exhauster start-up work, the high temperature mist in the curing chamber is taken out from the intake pipe and is gone into cooling treatment in the cooling tank water, harmful component among the mist has been got rid of, a plurality of bend interlayer through the cooling tank cools down and the gas after dissolving just reaches the standard that the environmental protection discharged, discharge outside in the blast pipe, the easy jam of exhaust-gas treatment pipeline has been avoided, need frequently to maintain, the pipeline dismantlement difficulty, it is also difficult to wash, the maintenance cost is high. The cooling bath sets up in the solidification chamber the shorter intake pipe in below can take out high temperature mist and take out the cooling bath, because of the intake pipe is shorter, the lipid material in the high temperature mist still does not cool down in admission line and appears, and high temperature mist is in the aquatic and the surface of water with splash contact cooling, the cooling is effectual, also can reduce the power of air exhauster, can realize convulsions, saves the electric energy.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a view of the interior of a cooling tank of an exhaust gas treatment device

FIG. 2 is a view showing an exhaust gas treatment device in which a cooling tank is mounted with an upper cover

FIG. 3 is an exploded view of an exhaust gas treatment device

FIG. 4 is a perspective view of an exhaust gas treatment device

In the figure: 1. the device comprises a cooling pool, 2, a water inlet, 3, an interlayer, 4, a water outlet, 5, a water filtering groove, 6, a water discharging pipe, 7, an exhaust fan, 8, an exhaust pipe, 9, an air inlet pipe, 10, a horn mouth, 11, a curing chamber, 12, an upper cover, 13, an air inlet pipe connector, 14 and an exhaust pipe connector.

Detailed Description

In the embodiment shown in fig. 1-4, the cooling pool 1 is provided with a water inlet 2 and a water outlet 4, a plurality of curved partition layers 3 are arranged in the cooling pool 1, and the curved partition layers 3 are arranged to make the path of water flow longer and have better cooling effect. The water filtering tank 5 is arranged on the outer side of the water outlet 4 of the cooling tank 1, the outer wall of the water filtering tank 5 is higher than the water outlet 4, water flowing out of the water outlet 4 enters the water filtering tank 5 firstly, a water discharging pipe 6 is arranged in the water filtering tank 5, the position of the water discharging pipe 6 is higher than the water outlet 4, water discharged by the water discharging pipe 6 can flow to the sewage purification tank, and the sewage flowing out of the water discharging pipe 6 is purified by the sewage purification tank. From water inlet 2 injection rivers, rivers need to flow through a plurality of interlayers 3 and carry out the water injection to

cooling pond

1, 1 water injection height of cooling pond reaches when outlet 4 is high or when being higher than outlet 4, rivers flow to water filtering tank 5 from outlet 4 and fill water filtering tank 5, water and drain pipe 6 co-altitude when 1 the inside of cooling pond, when the water yield of drain pipe 6 equals the water injection volume, the water injection volume of 1 the inside of cooling pond reaches the highest value, it is unchangeable to keep the water inflow this moment, rivers will flow into in 5 at the continuous 4 passageway of outlet in the inside of cooling pond, flow out in 6 from the drain pipe again. Since the drain pipe 6 in the water filtering tank 5 is higher than the water outlet 4, the water outlet 4 is below the level of the drain pipe 6, and air cannot enter the cooling pool 1 from the passage of the water outlet 4.

Without limitation, the filtering sponge can be added into the water filtering tank 5, and particulate matters precipitated in water and resin substances dissolved in water are adsorbed by the filtering sponge in the water filtering tank 5 due to temperature reduction, so that the resin substances and the particulate matters are reduced to enter the sewage purification tank, and the purification efficiency is improved.

The upper end surface of the cooling pool 1 is provided with an upper cover 12, an air inlet pipe connector 13 is arranged at the interlayer 3 of the water inlet 2, an air outlet pipe connector 14 is arranged at the interlayer 3 of the water outlet 4, an air inlet pipe 9 can be inserted into the air inlet pipe connector 13, and an air inlet pipe of an exhaust fan 7 can be inserted into the air outlet pipe connector 14. The upper cover 12 is connected and fixed with the upper end face of the cooling pool 1 in a sealing manner, and can be welded or connected with the cooling pool 1 in a sealing manner through the sealing gasket upper cover 12. The air inlet pipe connector 13 and the air inlet pipe 9 are connected and fixed in a sealing manner, and can be welded or connected by sealing the connecting edge through sealing glue. The exhaust pipe interface 14 is connected and fixed with the air inlet pipe of the exhaust fan 7 in a sealing manner, and can be welded or connected with the connecting edge in a sealing manner through sealing glue. The advantage of this design lies in making can form a leakproofness gas passage between intake pipe 9, cooling tank 1, the air exhauster 7, is favorable to the mist to carry out the cooling treatment in cooling tank 1.

The lower end of the air inlet pipe 9 is inserted into the water flow of the cooling pool 1 from an air inlet pipe connector 13 of the upper cover 12, the upper end of the air inlet pipe 9 is connected with the bell mouth 10 at the upper end of the curing chamber 12, the air inlet pipe 9 forms a channel for connecting the curing chamber 12 with the cooling pool 1, and the bell mouth 10 is beneficial to the fact that gas in the curing chamber 12 is more easily pumped into the air inlet pipe 9. An upper cover 12 of the cooling pool 1 is provided with an exhaust fan 7, an air inlet of the exhaust fan 7 is inserted below an exhaust pipe connector 14 of the upper cover 12 and is positioned on the water surface of the interlayer 3 of the water outlet 4, and an air outlet of the exhaust fan 7 is connected with an exhaust pipe 8. Air exhauster 7 starts work, the aquatic of cooling tank 1 is taken into from the upper end horn mouth 10 department of intake pipe 9 to the high temperature mist in the curing chamber 12, gaseous entering aquatic will produce bubble and water contact cooling, and the splash contact cooling that gas arouses to splash, rivers are cooled down and are dissolved high temperature mist, part in the mist can be dissolved in the material of water and just be dissolved in the water, part resin class material will condense and appear in the aquatic because of gas cooling after, cool down through rivers to the high temperature mist in curing chamber 12 and appear and dissolve the harmful component who has got rid of the mist, gas after a plurality of interlayer bend through cooling tank 1 cools down and dissolves just reaches the standard that accords with the environmental protection and discharges, the outside of discharging in the blast pipe 8 of air exhauster 7 air outlet.

And not the restriction, in order to further filter gas, make the gas of emission more environmental protection, can be provided with the activated carbon room in the air intake department of air exhauster 7, place the activated carbon in the activated carbon room and adsorb the gas that gets into the air intake the inside, can make the gas of emission reach the standard value better, more environmental protection.

Without limitation, the water inlet 2 may be connected to a tap water pipe, and normal temperature water is introduced into the cooling tank 1 to cool the high temperature mixed gas, or the water inlet 2 may be connected to a chilled water pipe, and chilled water is charged into the cooling tank 1 to cool the high temperature mixed gas.

Cooling bath 1 can set up in solidification room 11 below, short intake pipe 9 just can take high temperature gas mixture into cooling bath 1, because of intake pipe 9 is short, just not cooling in the lipid material pipeline among the high temperature gas mixture is appeared, just get into in the water and the surface of water and splash the splash contact cooling, just there is not the coagulum to block up the passageway in the intake pipe 9, and is effectual, also can reduce the power of air exhauster, can realize convulsions, save the electric energy, avoided current exhaust-gas treatment pipeline to block up easily, need frequently maintain, the pipeline is dismantled the difficulty, it washs the difficulty, the maintenance cost is high.

Claims

1. The utility model provides an exhaust treatment device, includes intake pipe, blast pipe, air exhauster, cooling tank, its characterized in that: the cooling tank is provided with water inlet and outlet, is provided with a plurality of bend interlayer inside the cooling tank, the cooling tank up end is provided with the upper cover, is provided with the intake pipe at the interlayer of water inlet, is provided with the air-supply line of air exhauster at the interlayer of outlet, and the air-supply line of air exhauster is in on the interlayer surface of water at the outlet, and the air outlet and the blast pipe of air exhauster are connected, the air exhauster starts to discharge from the blast pipe after the high temperature gas mixture suction in the intake pipe is cooled down and is handled in the cooling tank.

2. An exhaust gas treatment device according to claim 1, wherein: and a water filtering groove is arranged on the outer side of the water outlet of the cooling pond, the outer wall of the water filtering groove is higher than the water outlet, and a water discharging pipe is arranged in the water filtering groove.

3. An exhaust gas treatment device according to claim 1, wherein: and an air inlet pipe interface and an exhaust pipe interface are arranged on the upper cover of the cooling pool, an air inlet pipe is inserted into the air inlet pipe interface, and an air inlet pipe of an exhaust fan is inserted into the exhaust pipe interface.

4. An exhaust gas treatment device according to claim 1, wherein: the upper end of the air inlet pipe is connected with the bell mouth at the upper end of the curing chamber, and the air inlet pipe is connected with the curing chamber and the cooling pool to form a channel.

5. An exhaust gas treatment device according to claim 1, wherein: the upper end face of the cooling pool is connected and fixed with the upper cover in a sealing manner.

6. An exhaust gas treatment device according to claim 1, wherein: the air inlet pipe and the air inlet pipe interface are connected and fixed in a sealing mode.

7. An exhaust gas treatment device according to claim 1, wherein: the connector of the exhaust pipe is fixedly connected with the air inlet pipe of the exhaust fan in a sealing manner.

8. An exhaust gas treatment device according to claim 1, wherein: the air inlet pipe is inserted into the cooling pond water.

9. An exhaust gas treatment device according to claim 1, wherein: the air inlet pipe is inserted into the water surface of the cooling pool and is 3 to 10mm away from the water surface.

10. An exhaust gas treatment device according to claim 1, wherein: the air intake department of air exhauster is provided with the activated carbon room, places the activated carbon at the activated carbon room and adsorbs the filtration to gas.