Multi-stage circulating type waste gas treatment device

Abstract

The utility model discloses a multistage circulating type waste gas treatment device, which particularly relates to the technical field of waste gas treatment and comprises a waste gas treatment box, a gas inlet pipe is communicated with the outer wall of a top plate of the waste gas treatment box, a gas outlet pipe is communicated with the outer wall of the bottom of the waste gas treatment box, and a partition plate is arranged on the inner wall of the middle of the waste gas treatment box. A water pump is installed at the position, close to the upper portion of the partition plate, of the outer wall of the middle of the waste gas treatment box, the water outlet end of the water pump is connected with a water outlet pipe, and one end of the water outlet pipe extends to the top of the waste gas treatment box and is provided with a plurality of spraying heads in the horizontal direction. According to the utility model, the adsorption assembly is matched with the spray head above to spray water, so that the wet cloth on the adsorption assembly has the structural characteristic that filtered impurities can be adsorbed on the wet cloth, the wet cloth can continuously filter and adsorb for a long time, waste gas can be circularly treated for multiple times, and the adsorption and purification effect on the waste gas is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field more specifically, the utility model relates to a kind of multistage circulating waste gas treatment device. BACKGROUND

[0002] Waste gas treatment is always essential link in industrial production, especially for those toxic and harmful, flammable and explosive and difficult to handle large organic waste gas, these waste gas if not through effective treatment, direct discharge to atmosphere, will cause serious harm to the environment and human health, therefore, develop a kind of high efficiency, stable and environmental protection waste gas treatment device is particularly important.

[0003] The front end treatment stage of traditional waste gas treatment, usually all adopt spray atomization and attach the impurities in waste gas, the treatment mode is directly used in actual use, since the small particle impurities in waste gas is small, and more dispersed, still cannot effectively reach the preliminary treatment effect of most impurities of waste gas using atomization spray mode, still have many impurities waste gas flow into next stage, so that the waste gas purification effect that spray stage can reach is not ideal. SUMMARY

[0004] In order to overcome the above-mentioned defects of prior art, the utility model provides a kind of multistage circulating waste gas treatment device.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of multistage circulating waste gas treatment device, including waste gas treatment box, the top plate outer wall of waste gas treatment box is connected with inlet pipe, and the bottom outer wall of waste gas treatment box is connected with outlet pipe, the middle part inner wall of waste gas treatment box is provided with baffle, and water pump is installed at the position of the upper side of baffle near the middle part outer wall of waste gas treatment box, the water outlet of water pump is connected with outlet pipe, the one end of outlet pipe extends to the top of waste gas treatment box and is provided with several spray heads along horizontal direction, the top inner wall of waste gas treatment box is provided with fixed seat at the position of the lower side of inlet pipe, the inboard of fixed seat is provided with filter assembly, water cavity is formed between the lower side of fixed seat and the top of baffle, the bottom of water cavity and the water inlet of water pump are communicated with water suction pipe, the inboard position of waste gas treatment box near inlet pipe is installed with several adsorption components, and waste gas transfer box is connected to the top outer side of waste gas treatment box, the top of waste gas transfer box and the top of waste gas treatment box are communicated with gas guide channel, the top plate of waste gas transfer box and inlet pipe are connected with backflow mechanism, the adsorption purification cavity is arranged in the lower side of baffle in the inside of waste gas treatment box, the bottom of waste gas transfer box and the top of adsorption purification cavity are communicated with gas conveying pipe, first solenoid valve is installed on gas conveying pipe, the inner wall of adsorption purification cavity is connected with transverse plate at equal intervals, and the top of each transverse plate is connected with several carbon rod groups.

[0006] As a further improvement of the utility model technical scheme, the outer wall of the waste gas treatment box is provided with a sealing ring corresponding to the connecting part of the water suction pipe, a support seat is fixedly connected between the bottom of the water pump and the outer wall of the waste gas treatment box through screws, a control switch is arranged below the water pump on the outer wall of the waste gas treatment box, a door plate is connected to the upper and lower parts of the front end of the waste gas treatment box, and a connecting frame is fixedly connected between the waste gas transfer box and the outer wall of the waste gas treatment box through bolts.

[0007] As a further improvement of the utility model technical scheme, the filter assembly comprises a first metal mesh, a first filter cloth, a first gravel layer, an activated carbon layer, a second gravel layer, a second filter cloth and a second metal mesh arranged in sequence from top to bottom, wherein the first metal mesh and the second metal mesh are fixedly connected between the inner wall of the fixed seat through screws.

[0008] As a further improvement of the utility model technical scheme, the adsorption assembly comprises a connecting seat fixedly connected to the inner wall of the waste gas treatment box, a rectangular frame is inserted in the vertical direction on the top of the connecting seat, a wet cloth is installed in the interior of the rectangular frame, a first clamping plate is clamped on the top of the connecting seat at the bottom of the rectangular frame, and a first guide rail is arranged on the top of the connecting seat for sliding insertion of the first clamping plate and the bottom of the rectangular frame.

[0009] As a further improvement of the utility model technical scheme, the backflow mechanism comprises a gas pump fixedly installed at the top end of the waste gas transfer box, a suction pipe is communicated between the gas inlet end of the gas pump and the top of the waste gas transfer box, a backflow pipe is communicated between the gas outlet end of the gas pump and the outer wall of the gas inlet pipe, and a second electromagnetic valve is installed on the backflow pipe.

[0010] As a further improvement of the utility model technical scheme, the carbon rod group comprises a second clamping plate slidingly inserted on the top of the horizontal plate, and a plurality of activated carbon rods are clamped on the top of the second clamping plate.

[0011] As a further improvement of the utility model technical scheme, the horizontal plate is fixedly connected between the inner wall of the waste gas treatment box through screws, and a second guide rail is arranged on the top of the horizontal plate corresponding to the insertion position of the second clamping plate.

[0012] The utility model discloses the beneficial effect:

[0013] 1. The adsorption assembly set in use can filter and treat the entering waste gas, and cooperate with the water spraying of the upper spraying head, so that the wet cloth on the adsorption assembly forms a structure characteristic capable of adsorbing the filtered impurities on the wet cloth, in the continuous spraying process, part of the adsorbed impurities fall into the lower part, so that the wet cloth can continuously filter and adsorb for a long time, at the same time, the rectangular frame driving the wet cloth is convenient to disassemble and install, the user can quickly take out and install the rectangular frame, thereby facilitating cleaning or replacing the wet cloth;

[0014] 2. The waste gas purified by the adsorption assembly once enters the inside of the waste gas transfer box through the air guide channel, by setting the reflux mechanism, in use, first close the first electromagnetic valve, then open the second electromagnetic valve, start the air pump to make the waste gas in the waste gas transfer box reflux to the inside of the air inlet pipe again, so as to continue to enter the inside of the waste gas treatment box for secondary purification, forming a circulating and multiple purification effect, then close the air pump and open the first electromagnetic valve, facilitating the multiple purified gas to enter the adsorption and purification cavity for subsequent treatment;

[0015] 3. The inner wall of the adsorption and purification cavity is connected with horizontal plates at equal intervals, the top of each horizontal plate is connected with a plurality of carbon rod groups, the carbon rod group is convenient to install and disassemble on the top of the horizontal plate, the gas flows in the gap at the end of the plurality of horizontal plates, which is convenient to use the plurality of activated carbon rods arranged on the carbon rod group to increase the contact area with the gas, and further adsorb and purify the gas entering the inside of the adsorption and purification cavity, and the treated gas is discharged from the air outlet pipe. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a sectional view of the utility model.

[0017] Figure 2 It is a front view of the utility model.

[0018] Figure 3 It is a structure schematic view of the adsorption assembly in the utility model.

[0019] Figure 4 It is a structure schematic view of the filter assembly in the utility model.

[0020] Figure 5 It is a structure schematic view of the carbon rod group in the utility model.

[0021] Figure 6 It is a structure schematic view of the horizontal plate in the utility model.

[0022] The reference signs are: 1, waste gas treatment box; 2, air inlet pipe; 3, air outlet pipe; 4, fixing seat; 5, filter assembly; 6, adsorption assembly; 7, partition; 8, water pump; 9, water suction pipe; 10, water outlet pipe; 11, spray head; 12, waste gas transfer box; 13, air guide channel; 14, connecting frame; 15, air conveying pipe; 16, first electromagnetic valve; 17, air pump; 18, air suction pipe; 19, backflow pipe; 20, second electromagnetic valve; 21, horizontal plate; 22, carbon rod group; 23, control switch; 501, first metal mesh; 502, first filter cloth; 503, first gravel layer; 504, activated carbon layer; 505, second gravel layer; 506, second filter cloth; 507, second metal mesh; 601, connecting seat; 602, rectangular frame; 603, wet cloth; 604, first clamping plate; 605, first guide rail; 211, second guide rail; 221, second clamping plate; 222, activated carbon rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] As shown in the accompanying drawings Figures 1-6The multi-stage circulating exhaust treatment device shown includes an exhaust treatment box 1, the outer wall of the top plate of the exhaust treatment box 1 is communicated with an air inlet pipe 2, and the outer wall of the bottom of the exhaust treatment box 1 is communicated with an air outlet pipe 3, the inner wall of the middle of the exhaust treatment box 1 is provided with a partition plate 7, and the outer wall of the middle of the exhaust treatment box 1 is installed with a water pump 8 near the upper position of the partition plate 7, the water outlet end of the water pump 8 is connected with a water outlet pipe 10, one end of the water outlet pipe 10 extends to the top of the exhaust treatment box 1 and is provided with a plurality of spray heads 11 in the horizontal direction, the inner wall of the top of the exhaust treatment box 1 is provided with a fixed seat 4 at the position below the air inlet pipe 2, the inner side of the fixed seat 4 is provided with a filter assembly 5, the water cavity is formed between the lower side of the fixed seat 4 and the top of the partition plate 7, the water suction pipe 9 is communicated between the water inlet end of the water pump 8 and the bottom of the water cavity, a plurality of adsorption assemblies 6 are installed at the position near the inner side of the air inlet pipe 2 in the inside of the exhaust treatment box 1, and the top outside of the exhaust treatment box 1 is connected with an exhaust transfer box 12, the top of the exhaust transfer box 12 and the top of the exhaust treatment box 1 are communicated with a gas guide channel 13, the top plate of the exhaust transfer box 12 and the air inlet pipe 2 are connected with a backflow mechanism, the inside of the exhaust treatment box 1 is provided with an adsorption purification cavity below the partition plate 7, the bottom of the exhaust transfer box 12 and the top of the adsorption purification cavity are communicated with a gas conveying pipe 15, the first electromagnetic valve 16 is installed on the gas conveying pipe 15, the inner wall of the adsorption purification cavity is connected with the cross plates 21 at equal intervals, and the top of each cross plate 21 is connected with a plurality of carbon rod groups 22.

[0025] As shown in the accompanying drawings Figures 1-2 The outer wall of the exhaust treatment box 1 is provided with a sealing ring at the connection position of the water suction pipe 9, which facilitates preventing water from flowing out, the bottom of the water pump 8 and the outer wall of the exhaust treatment box 1 are fixedly connected by screws and a support seat, which facilitates the installation and fixation of the water pump 8, the outer wall of the exhaust treatment box 1 is provided with a control switch 23 below the water pump 8, and the upper and lower parts of the front end of the exhaust treatment box 1 are connected with door plates, which facilitates the operators to take out, replace or clean the adsorption assemblies 6 and the carbon rod groups 22 in the inside of the exhaust treatment box 1 according to needs, and the outer wall of the exhaust transfer box 12 and the outer wall of the exhaust treatment box 1 are fixedly connected by bolts and a connecting frame 14, which facilitates the connection and fixation of the exhaust transfer box 12 outside the exhaust treatment box 1.

[0026] As shown in the accompanying drawings Figure 1 and the accompanying drawings Figure 4 The filter assembly 5 includes a first metal screen 501, a first filter cloth 502, a first sand layer 503, an activated carbon layer 504, a second sand layer 505, a second filter cloth 506 and a second metal screen 507 which are sequentially arranged from top to bottom, wherein the first metal screen 501 and the second metal screen 507 are fixedly connected with the inner wall of the fixed seat 4 by screws, which facilitates the multi-stage filtration treatment of the water sprayed after the spray treatment, so as to facilitate the recycling.

[0027] As shown in the accompanying drawings Figure 1And the attached Figure 3 As shown in the figure, the adsorption assembly 6 includes a connecting seat 601 fixedly connected to the inner wall of the waste gas treatment box 1, a rectangular frame 602 is inserted in the vertical direction on the top of the connecting seat 601, a wet cloth 603 is installed inside the rectangular frame 602, and a first clamping plate 604 is clamped on the top of the connecting seat 601. The top of the connecting seat 601 is provided with a first guide rail 605 for sliding insertion of the first clamping plate 604 and the bottom of the rectangular frame 602. The adsorption assembly 6 arranged can filter and treat the entering waste gas, and cooperate with the water spraying of the upper spraying head 11, so that the wet cloth 603 on the adsorption assembly 6 forms a structure that can adsorb the filtered impurities on the wet cloth 603. In the continuous spraying process, part of the adsorbed impurities fall below, so that the wet cloth 603 can continuously filter and adsorb for a long time, and at the same time, the rectangular frame 602 driving the wet cloth 603 is convenient to disassemble and install. The user can quickly take out and install the rectangular frame 602, so as to facilitate cleaning or replacing the wet cloth 603.

[0028] As shown in the figure, Figures 1-2 As shown in the figure, the backflow mechanism includes a gas pump 17 fixedly installed at the top end of the waste gas transfer box 12. The gas inlet end of the gas pump 17 is communicated with the top of the waste gas transfer box 12 through a gas suction pipe 18, and the gas outlet end of the gas pump 17 is communicated with the outer wall of the gas inlet pipe 2 through a backflow pipe 19. A second electromagnetic valve 20 is installed on the backflow pipe 19. The backflow mechanism is arranged to facilitate the use of the first electromagnetic valve 16 being closed first, then the second electromagnetic valve 20 being opened, and the gas pump 17 being started to make the waste gas in the waste gas transfer box 12 flow back to the inside of the gas inlet pipe 2 again, so as to continue to pass into the inside of the waste gas treatment box 1 for further purification, forming a circulating and multiple purification effect. Then the gas pump 17 is closed, and the first electromagnetic valve 16 is opened, so as to facilitate the multiple purified gas to be introduced into the adsorption and purification cavity for subsequent treatment.

[0029] As shown in the figure, Figure 1 And the attached Figures 5-6 As shown in the figure, the carbon rod group 22 includes a second clamping plate 221 slidingly inserted on the top of the horizontal plate 21, and a plurality of active carbon rods 222 are clamped on the top of the second clamping plate 221. The horizontal plate 21 is fixedly connected to the inner wall of the waste gas treatment box 1 through screws, and the top of the horizontal plate 21 is provided with a second guide rail 211 corresponding to the insertion position of the second clamping plate 221, so as to facilitate the installation and disassembly of the carbon rod group 22 on the top of the horizontal plate 21, and further facilitate the use of the plurality of active carbon rods 222 arranged on the carbon rod group 22 to increase the contact area with the gas, and further adsorb and purify the gas entering the inside of the adsorption and purification cavity.

[0030] Working principle: the utility model discloses a multistage circulating waste gas treatment device, and the specific structure is as shown in the description Figures 1-6As shown, in use, the waste gas enters the inside of the waste gas treatment box 1 from the inside of the air inlet pipe 2, first, the adsorption assembly 6 set in use can filter the entering waste gas, and cooperate with the water spraying of the upper spraying head 11, so that the wet cloth 603 on the adsorption assembly 6 forms a structure characteristic capable of adsorbing the filtered impurities on the wet cloth 603, in the continuous spraying process, part of the adsorbed impurities fall into the lower part, so that the wet cloth 603 can continuously filter and adsorb for a long time, at the same time, the rectangular frame 602 driving the wet cloth 603 is convenient to disassemble and install, the user can quickly take out and install the rectangular frame 602, so as to facilitate cleaning or replacing the wet cloth 603, by setting the filter assembly 5, the water sprayed after the spraying treatment is conveniently subjected to multi-stage filtering treatment and flows into the water cavity for recycling; the waste gas purified once by the adsorption assembly 6 enters the inside of the waste gas transfer box 12 through the gas guide channel 13, by setting the backflow mechanism, in use, the first electromagnetic valve 16 is closed first, then the second electromagnetic valve 20 is opened, the air pump 17 is started to make the waste gas in the waste gas transfer box 12 backflow into the inside of the air inlet pipe 2 again, so as to continue to enter the inside of the waste gas treatment box 1 for purification again, forming a circulating and multiple purification effect, then the air pump 17 is closed, the first electromagnetic valve 16 is opened, so as to conveniently make the gas purified multiple times enter the adsorption and purification cavity for subsequent treatment; the inner wall of the adsorption and purification cavity is connected with the horizontal plates 21 at intervals, the top of each horizontal plate 21 is connected with a plurality of carbon rod groups 22, the carbon rod groups 22 are convenient to install and disassemble on the top of the horizontal plate 21, the gas flows in the gap at the end of the plurality of horizontal plates, so as to utilize the plurality of activated carbon rods 222 set on the carbon rod groups 22 to increase the contact area with the gas, and further adsorb and purify the gas entering the inside of the adsorption and purification cavity, and the treated gas is discharged from the air outlet pipe 3.

[0031] Among them, the utility model discloses embodiment drawing only relates to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, in the case where there is no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0032] Finally: the above only for preferred embodiment of the utility model has, and does not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made in the spirit and principles of the utility model, all should be included in the protection scope of the utility model.

Claims

1. A multi-stage circulation type exhaust gas treatment device, comprising an exhaust gas treatment box (1), an air inlet pipe (2) is communicated with the outer wall of the top plate of the exhaust gas treatment box (1), an air outlet pipe (3) is communicated with the outer wall of the bottom of the exhaust gas treatment box (1), a partition plate (7) is arranged on the inner wall of the middle of the exhaust gas treatment box (1), a water pump (8) is installed on the outer wall of the middle of the exhaust gas treatment box (1) near the upper position of the partition plate (7), a water outlet pipe (10) is connected to the water outlet end of the water pump (8), one end of the water outlet pipe (10) extends to the top of the exhaust gas treatment box (1) and a plurality of spray heads (11) are arranged in the horizontal direction, a fixed seat (4) is arranged on the inner wall of the top of the exhaust gas treatment box (1) at the position below the air inlet pipe (2), a filter assembly (5) is arranged on the inner side of the fixed seat (4), a water cavity is formed between the lower part of the fixed seat (4) and the top of the partition plate (7), a water suction pipe (9) is communicated between the water inlet end of the water pump (8) and the bottom of the water cavity, characterized in that: The inside of the waste gas treatment box (1) is provided with a plurality of adsorption assemblies (6) near the inner side of the air inlet pipe (2), and the top outer side of the waste gas treatment box (1) is connected with a waste gas transfer box (12), a gas guide channel (13) is communicated between the top of the waste gas transfer box (12) and the top of the waste gas treatment box (1), a backflow mechanism is connected between the top plate of the waste gas transfer box (12) and the air inlet pipe (2), an adsorption purification cavity is arranged below the partition plate (7) in the waste gas treatment box (1), a gas conveying pipe (15) is communicated between the bottom of the waste gas transfer box (12) and the top of the adsorption purification cavity, a first electromagnetic valve (16) is arranged on the gas conveying pipe (15), and the inner wall of the adsorption purification cavity is connected with transverse plates (21) at equal intervals, and the top of each transverse plate (21) is connected with a plurality of carbon rod groups (22).

2. The multi-stage, cyclic, exhaust treatment device of claim 1, wherein: The outer wall of the waste gas treatment box (1) is provided with a sealing ring corresponding to the connection of the water suction pipe (9), the bottom of the water pump (8) and the outer wall of the waste gas treatment box (1) are fixedly connected by screws, the outer wall of the waste gas treatment box (1) is provided with a control switch (23) below the water pump (8), the front end of the waste gas treatment box (1) is connected with door plates on the upper and lower parts, and the outer wall of the waste gas treatment box (1) is fixedly connected with a connecting frame (14) between the waste gas transfer box (12) and the outer wall of the waste gas treatment box (1) through bolts.

3. The multi-stage, cyclic, exhaust treatment device of claim 1, wherein: The filter assembly (5) comprises a first metal screen (501), a first filter cloth (502), a first sand layer (503), an activated carbon layer (504), a second sand layer (505), a second filter cloth (506) and a second metal screen (507) arranged in sequence from top to bottom, wherein the first metal screen (501) and the second metal screen (507) are fixedly connected with the inner wall of the fixed seat (4) by screws.

4. The multi-stage, cyclic, exhaust treatment device of claim 1, wherein: The adsorption assembly (6) comprises a connecting seat (601) fixedly connected to the inner wall of the waste gas treatment box (1), a rectangular frame (602) is vertically inserted into the top of the connecting seat (601), a wet cloth (603) is arranged in the rectangular frame (602), and a first clamping plate (604) is arranged at the bottom of the rectangular frame (602) and clamped on the top of the connecting seat (601), and a first guide rail (605) is arranged on the top of the connecting seat (601) for sliding insertion of the first clamping plate (604) and the bottom of the rectangular frame (602).

5. The multi-stage, recirculating exhaust treatment device of claim 1, wherein: The backflow mechanism comprises a gas pump (17) fixedly installed at the top end of the waste gas transfer box (12), a suction pipe (18) is communicated between the gas inlet end of the gas pump (17) and the top of the waste gas transfer box (12), a backflow pipe (19) is communicated between the gas outlet end of the gas pump (17) and the outer wall of the air inlet pipe (2), and a second electromagnetic valve (20) is arranged on the backflow pipe (19).

6. The multi-stage, recirculation type exhaust treatment device of claim 1, wherein: The carbon rod group (22) comprises a second clamping plate (221) slidably inserted into the top of the transverse plate (21), and a plurality of activated carbon rods (222) are clamped on the top of the second clamping plate (221).

7. The multi-stage, recirculating exhaust treatment device of claim 6, wherein: The horizontal plate (21) is fixedly connected with the inner wall of the exhaust gas treatment box (1) through screws, and the top of the horizontal plate (21) is provided with a second guide rail (211) corresponding to the insertion position of the second clamping plate (221).

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