A spray washing device for purifying chemical waste gas

Abstract

The present application relates to the technical field of spray tower, and proposes a spray washing device for chemical waste gas purification, which comprises a tower body, a spray bin, a waste gas uniform distribution mechanism, a filler bin and a turnover mechanism. The tower body is in a cylindrical shape, and a gas supply bin is formed at the bottom of the tower body. The spray bin is formed on the tower body and is arranged above the gas supply bin. The waste gas uniform distribution mechanism is fixedly connected with the tower body and is arranged in the gas supply bin and the spray bin. The waste gas uniform distribution mechanism is used for making the waste gas uniformly rise in the spray bin. The filler bin is provided with a plurality of filler bins, which are arranged above the spray bin and filled with fillers. Each filler bin is provided with a turnover mechanism, and the plurality of turnover mechanisms are connected. The turnover mechanism is used for turning over the fillers in the filler bin. The above technical solution solves the problem that the existing spray washing device is prone to insufficient waste gas treatment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of spray tower, in particular, relates to a kind of chemical waste gas purification is washed with spray device. BACKGROUND

[0002] Spray scrubbing tower is a kind of equipment widely used in industrial waste gas treatment, mainly through the contact of liquid (usually water or chemical solution) and waste gas, removes the pollutants in waste gas, working principle is to use spray system to atomize liquid into small droplets, fully contact with waste gas, by physical absorption, chemical reaction or dissolution effect, the pollutants are transferred from gas phase to liquid phase, so as to achieve the purpose of purifying waste gas, usually the shell is set as tower, waste gas is introduced into the lower part of the tower, liquid is sprayed in the upper part of the tower, the tower is filled with packing, liquid spraying on the packing can increase the time of liquid flowing downward in the tower, while it can increase the area of contact with waste gas, waste gas is discharged at the top of the tower, waste gas is fully contacted with liquid during upward movement in the tower, liquid cools waste gas, and filters dust in waste gas, when waste gas is chemical waste gas, it can be treated by adjusting the composition of liquid.

[0003] The packing in the existing spray scrubbing tower for treating chemical waste gas uses many plastic balls, ceramic rings, etc., the waste gas pipe is inserted into the tower, waste gas is introduced into the tower in the waste gas pipe, waste gas is gradually dispersed during upward movement, this process makes the packing near the pipe opening of waste gas pipe contact more with waste gas, these packings are more prone to be clogged with dust or oil stains, so that the gas-liquid contact efficiency of packing is affected, in turn reduces the waste gas treatment efficiency, and it can also make the insufficiently treated waste gas be discharged, so in order to improve the efficiency and effect of waste gas treatment, we propose a kind of chemical waste gas purification is washed with spray device. SUMMARY

[0004] The present application proposes a kind of chemical waste gas purification is washed with spray device, solves the problem that the existing spray scrubbing device in prior art is prone to insufficient waste gas treatment.

[0005] The technical scheme of the present application is as follows:

[0006] The utility model provides a kind of chemical waste gas purification is washed with spraying device, including tower body, spraying storehouse, waste gas uniform distribution mechanism, filler storehouse and overturning mechanism, the tower body is set as cylindrical, the bottom of the tower body is equipped with gas storehouse, the spraying storehouse is opened in tower body, the spraying storehouse is arranged in the upper of the gas storehouse, the waste gas uniform distribution mechanism is fixedly connected with the tower body, the waste gas uniform distribution mechanism is arranged in the gas storehouse and the spraying storehouse, the waste gas uniform distribution mechanism is used to make waste gas evenly in the spraying storehouse rises, the filler storehouse is provided with multiple, multiple the filler storehouse is arranged in the upper of the spraying storehouse, the filler storehouse is filled with filler, each the filler storehouse is arranged with one the overturning mechanism, multiple the overturning mechanism is connected, the overturning mechanism is used to overturn the filler in the filler storehouse.

[0007] The waste gas uniform distribution mechanism includes an air guide pipe, a filter cartridge and an exhaust assembly, the air guide pipe is arranged in the gas storehouse, one end of the air guide pipe extending out of the gas storehouse is connected with an external waste gas pipeline, the filter cartridge is arranged on one end of the air guide pipe extending out of the gas storehouse, the exhaust assembly is arranged in the spraying storehouse, the exhaust assembly is connected with the air guide pipe, the exhaust assembly is used to make the waste gas evenly discharged in the spraying storehouse, the exhaust assembly includes a shunt pipe, exhaust pipes and an equal distribution tooth, the shunt pipe is provided with multiple, multiple the shunt pipe is arranged in annular shape, multiple the shunt pipe is sleeved and communicated with each other, the shunt pipe is connected with the air guide pipe, the exhaust pipes are provided with multiple, the exhaust pipes are fixedly connected at the bottom of the shunt pipe, the equal distribution tooth is arranged around the exhaust pipes on one end away from the shunt pipe.

[0008] The spraying storehouse contains spraying liquid, the exhaust pipes extend below the liquid level of the spraying liquid, the spraying storehouse is provided with a liquid discharge channel on one side, the liquid discharge valve is fixedly connected on the liquid discharge channel, the tower body is provided with a ventilation net, an air outlet pipeline, a motor, a spraying exhaust pipe and a liquid supply pipe, the ventilation net is fixedly arranged on one side of the filler storehouse close to the spraying storehouse, the filler is placed on the ventilation net, the air outlet pipeline is fixedly connected at the top of the tower body, the motor is fixedly installed at the top of the tower body, the output end of the motor is connected with the overturning mechanism, one spraying exhaust pipe is fixedly connected on one side of each filler storehouse close to the motor, multiple spraying nozzles are arranged on one side of the spraying exhaust pipe close to the spraying storehouse, the liquid supply pipe is fixedly arranged outside the tower body, the liquid supply pipe is connected with each spraying exhaust pipe.

[0009] The turning mechanism comprises a fixed pipe, a transmission rod, a rotating sleeve and a turning shovel assembly, the fixed pipe is arranged in the center of the aeration net, the transmission rod is rotatably arranged in the fixed pipe, the transmission rod is fixedly connected with the output end of the motor, the rotating sleeve is rotatably connected with the fixed pipe, the rotating sleeve is fixedly connected with the transmission rod, the turning shovel assembly is fixedly connected with the rotating sleeve, the turning shovel assembly is attached to the upper side of the aeration net, and the turning shovel assembly is used for turning the filler in the filler bin.

[0010] Among the plurality of turning mechanisms, the fixed pipe in the turning mechanism above the tower body is fixedly connected with the top of the tower body, and the fixed pipe and the upper aeration net in other turning mechanisms are fixedly connected.

[0011] The turning shovel mechanism comprises shovel body one and shovel body two, the shovel body one is fixedly connected with the rotating sleeve, the shovel body one is arranged obliquely, the shovel body one is in contact with the aeration net, the shovel body two is fixedly connected to one side of the lower side of the shovel body one, the shovel body two is arranged obliquely, the shovel body two is not in contact with the shovel body one, a supporting wheel is rotatably connected to one side of the shovel body one close to the aeration net, the supporting wheel is in contact with the aeration net, and water channels are formed in the shovel body one and the shovel body two.

[0012] The working principle and beneficial effects of the present application are as follows:

[0013] 1、In the present application, by arranging the shunt pipe and the exhaust pipe, the atmospheric pressure causes the same amount of gas to be discharged in each exhaust pipe at the same time, and the equal division of the tooth circumference causes the gas discharged in the exhaust pipe to be uniformly discharged around the exhaust pipe and to float upward through the liquid, so that the gas is uniformly discharged upward in the spraying bin through the arrangement of multiple exhaust pipes and the equal division of the teeth, the gas is preliminarily filtered and cooled by the liquid, the amount of dust contacting the filler is reduced, and the liquid accumulated in the spraying bin after passing through the entire tower body preferentially reacts with the chemical waste gas.

[0014] 2、In the present application, by arranging the shovel body one and the shovel body two, when the shovel body one rotates, the shovel body one turns up the filler on the aeration net, the filler above the filler bin is preferentially moved between the shovel body one and the shovel body two, and the filler falls on the aeration net after falling on the shovel body two, the blocking of the filler by the shovel body two can prevent the filler behind the rotation direction of the shovel body one from flowing a large amount to the rear of the shovel body one when the shovel body one rotates, so that the upper filler in the shovel body one can be preferentially dropped on the aeration net.

[0015] 3、The waste gas is first treated by the liquid through the waste gas uniform distribution mechanism, and the waste gas is uniformly discharged at the same time through the atmospheric pressure control, and the filler is turned up and down through the turning mechanism, so that the side of the filler which is less in contact with the waste gas is in contact with the waste gas, and the waste gas treatment efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The application will be further described in detail below in combination with the drawings and specific embodiments.

[0017] Fig. 1 It is a schematic structural diagram of the whole application;

[0018] Fig. 2 It is a schematic structural diagram of the internal section of the gas supply bin;

[0019] Fig. 3 It is another schematic structural diagram of the internal section of the gas supply bin;

[0020] Fig. 4 It is a schematic structural diagram of the internal section of the spraying bin;

[0021] Fig. 5 It is a schematic structural diagram of the internal section of the turning mechanism and the spraying bin;

[0022] Fig. 6 It is a schematic structural diagram of the local section of the turning mechanism and the spraying bin;

[0023] In the figure: 1, tower body; 2, gas supply bin; 3, spraying bin; 4, filler bin; 5, gas guide pipe; 6, filter cylinder; 7, shunt pipe; 8, exhaust pipe; 9, uniform distribution tooth; 10, liquid discharge channel; 11, liquid discharge valve; 12, air vent net; 13, air outlet pipeline; 14, motor; 15, spraying discharge pipe; 16, liquid supply pipe; 17, fixed pipeline; 18, transmission rod; 19, rotating sleeve; 20, shovel body one; 21, shovel body two; 22, supporting wheel; 23, water passage. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the application will be described clearly and completely below in combination with the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments of the application, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the application.

[0025] As Figs. 1-6The embodiment shown provides a spraying washing device for chemical waste gas purification, which comprises a tower body 1, a spraying bin 3, a waste gas uniform distribution mechanism, a filler bin 4 and a turnover mechanism. The tower body 1 is in a cylindrical shape, and a gas supply bin 2 is arranged at the bottom of the tower body 1. The spraying bin 3 is arranged on the tower body 1 and above the gas supply bin 2. The waste gas uniform distribution mechanism is fixedly connected with the tower body 1 and arranged in the gas supply bin 2 and the spraying bin 3. The waste gas uniform distribution mechanism is used for making the waste gas uniformly rise in the spraying bin 3. The filler bin 4 is provided with a plurality of filler bins 4 arranged above the spraying bin 3. The filler bin 4 is filled with fillers. Each filler bin 4 is provided with a turnover mechanism, and the plurality of turnover mechanisms are connected. The turnover mechanism is used for turning over the fillers in the filler bin 4. The waste gas is preliminarily filtered by the waste gas uniform distribution mechanism, and then introduced into the spraying bin 3 to spray the accumulated liquid. The gas is uniformly discharged by the gas pressure and uniformly contacted with the fillers at various positions. Then, the fillers are turned over by the turnover mechanism, so that the fillers are rotated, the upper part of the fillers is prevented from being blocked to affect the treatment efficiency, and the gas-liquid contact effect is enhanced after the fillers are turned over.

[0026] As Figs. 1-3As shown, the waste gas uniform distribution mechanism includes a gas guide pipe 5, a filter cylinder 6 and an exhaust assembly. The gas guide pipe 5 is arranged in the gas supply bin 2, and the end of the gas guide pipe 5 extending out of the gas supply bin 2 is connected with an external waste gas pipeline. The filter cylinder 6 is arranged on the end of the gas guide pipe 5 extending out of the gas supply bin 2. The exhaust assembly is arranged in the spraying bin 3 and is connected with the gas guide pipe 5. The exhaust assembly is used to uniformly exhaust the waste gas in the spraying bin 3. The exhaust assembly includes a plurality of shunt pipes 7, a plurality of exhaust pipes 8 and a uniform distribution tooth 9. The plurality of shunt pipes 7 are arranged in a ring shape and are connected with each other. The shunt pipe 7 is connected with the gas guide pipe 5. The plurality of exhaust pipes 8 are fixedly connected to the bottom of the shunt pipe 7. The uniform distribution tooth 9 is arranged on the end of the exhaust pipe 8 away from the shunt pipe 7. The gas guide pipe 5 is arranged below the spraying bin 3. The filter cylinder 6 arranged in the gas guide pipe 5 is used to preliminarily filter the waste gas and remove part of the dust, thereby enhancing the service life of the filler. The exhaust pipes 8 are uniformly distributed in the spraying bin 3 and are connected with each other and extend below the liquid surface. After the waste gas is introduced into the exhaust pipe 8 through the gas guide pipe 5, the liquid is pushed out of the exhaust pipe 8 by the gas pressure. Due to the atmospheric pressure, the same amount of gas is simultaneously exhausted from each exhaust pipe 8. The uniform distribution tooth 9 is arranged in a circle, so that the gas exhausted from the exhaust pipe 8 is uniformly exhausted around the exhaust pipe 8 and floats upward through the liquid. The plurality of exhaust pipes 8 and the uniform distribution tooth 9 are arranged, so that the gas is uniformly exhausted upward in the spraying bin 3. The gas is preliminarily filtered and cooled by the liquid, thereby reducing the amount of dust in contact with the filler. The liquid accumulated in the spraying bin 3 after passing through the entire tower body 1 is preferentially reacted with the chemical waste gas, thereby improving the reaction efficiency and treatment effect of the liquid and the waste gas in the filler bin 4.

[0027] As Figs. 1-3As shown, the spray tank 3 has a spray liquid, the exhaust pipe 8 extends into the liquid surface below the spray liquid, the side of the spray tank 3 is provided with a liquid discharge channel 10, the liquid discharge channel 10 is fixedly connected with a liquid discharge valve 11, the tower body 1 is provided with a ventilation net 12, an air outlet pipe 13, a motor 14, a spray discharge pipe 15 and a liquid supply pipe 16, the ventilation net 12 is fixedly arranged on the filler bin 4 close to the side of the spray tank 3, the filler is placed on the ventilation net 12, the air outlet pipe 13 is fixedly connected to the top of the tower body 1, the motor 14 is fixedly installed on the top of the tower body 1, the output end of the motor 14 is connected with the turnover mechanism, each filler bin 4 close to the side of the motor 14 is fixedly connected with a spray discharge pipe 15, a plurality of spray nozzles are arranged on the side of the spray discharge pipe 15 close to the spray tank 3, the liquid supply pipe 16 is fixedly arranged on the outside of the tower body 1, the liquid supply pipe 16 is communicated with each spray discharge pipe 15, the spray nozzles on the spray discharge pipe 15 are uniformly arranged to uniformly spray liquid on the filler, the liquid supply pipe 16 can be communicated with the external liquid supply channel and the liquid discharge channel 10, the liquid in the spray tank 3 can be repeatedly used or clean liquid provided by the outside can be used, and the liquid amount and liquid level height in the spray tank 3 can be controlled through the liquid discharge valve 11.

[0028] As shown in Figs. 3-6 The turnover mechanism includes a fixed pipe 17, a transmission rod 18, a rotating sleeve 19 and a turnover shovel assembly, the fixed pipe 17 is arranged in the center of the ventilation net 12, the transmission rod 18 is rotatably arranged in the fixed pipe 17, the transmission rod 18 is fixedly connected with the output end of the motor 14, the rotating sleeve 19 is rotatably connected with the fixed pipe 17, the rotating sleeve 19 is fixedly connected with the transmission rod 18, the turnover shovel assembly is fixedly connected with the rotating sleeve 19, the turnover shovel assembly is in contact with the upper side of the ventilation net 12, the turnover shovel assembly is used to turn over the filler in the filler bin 4, two turnover shovel assemblies are arranged on each rotating sleeve 19, the motor 14 drives the turnover shovel assembly to rotate through the transmission rod 18, and at the same time, the liquid can be prevented from entering the fixed pipe 17 by arranging the rotating sleeve 19.

[0029] As shown in Figs. 4-5 Among the plurality of turnover mechanisms, the fixed pipe 17 of the turnover mechanism located above the tower body 1 is fixedly connected with the top of the tower body 1, and the fixed pipe 17 of the other turnover mechanisms is fixedly connected with the upper ventilation net 12.

[0030] As shown in Figs. 4-6As shown, the turning shovel mechanism includes shovel body one 20 and shovel body two 21, the shovel body one 20 is fixedly connected with the rotating sleeve 19, the shovel body one 20 is arranged obliquely, the shovel body one 20 is in contact with the ventilation net 12, the shovel body two 21 is fixedly connected on the lower side of the shovel body one 20, the shovel body two 21 is arranged obliquely, the shovel body two 21 is not in contact with the shovel body one 20, the support wheel 22 is rotatably connected on the side of the shovel body one 20 close to the ventilation net 12, the support wheel 22 is in contact with the ventilation net 12, the water passing groove 23 is arranged on the shovel body one 20 and the shovel body two 21, when the shovel body one 20 does not rotate, the filler is near the shovel body one 20 and the shovel body two 21, the liquid can pass through the filler through the water passing groove 23, when the shovel body one 20 rotates, the shovel body one 20 turns up the filler on the ventilation net 12, the filler above the filler bin 4 is preferentially moved to the shovel body one 20 and the shovel body two 21 through the shovel body one 20, the filler falls on the ventilation net 12 after falling on the shovel body two 21, the filler is prevented from flowing to the rear of the shovel body one 20 in large quantity through the blocking of the shovel body two 21 when the shovel body one 20 rotates, the filler above is preferentially fallen on the ventilation net 12 through the shovel body one 20, the filler is turned up and down, the filler is in contact with the gas and liquid in different ways, the gas-liquid contact efficiency is improved, and the maintenance period is reduced.

[0031] In the embodiment, the waste gas is introduced into the shunt pipe 7 through the gas guide pipe 5, the filter cylinder 6 preliminarily filters the waste gas, and then the waste gas is discharged in the liquid through the exhaust pipe 8, the gas is uniformly discharged upward, the gas contacts the filler after passing through the ventilation net 12, the liquid is sprayed out through the spray exhaust pipe 15 to treat the waste gas, the output end of the motor 14 drives the transmission rod 18 to rotate, the transmission rod 18 drives the rotating sleeve 19 to rotate, the shovel body one 20 turns up the filler, and the filler is sequentially fallen on the ventilation net 12 after falling on the shovel body two 21, so that the filler is turned to different angles and heights.

[0032] The above only is the preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A spray scrubbing device for purifying chemical waste gas, characterized in that, include: The tower body (1) is cylindrical, and a gas supply chamber (2) is provided at the bottom of the tower body (1). Spray chamber (3), the spray chamber (3) is opened on the tower body (1), and the spray chamber (3) is located above the gas supply chamber (2); The exhaust gas distribution mechanism is fixedly connected to the tower body (1). The exhaust gas distribution mechanism is set in the gas supply chamber (2) and the spray chamber (3). The exhaust gas distribution mechanism is used to make the exhaust gas rise evenly in the spray chamber (3). A packing chamber (4) is provided in multiple ways, and the multiple packing chambers (4) are arranged above the spray chamber (3). The packing chambers (4) are filled with packing material. A turning mechanism is provided in each of the packing bins (4), and multiple turning mechanisms are connected together. The turning mechanism is used to turn the packing in the packing bins (4). The waste gas distribution mechanism includes: A gas guide pipe (5) is installed in the gas supply chamber (2), and one end of the gas guide pipe (5) extending out of the gas supply chamber (2) is connected to an external exhaust gas pipe. A filter cartridge (6) is disposed in the air guide pipe (5) at one end extending out of the air supply chamber (2); An exhaust assembly is provided in the spray chamber (3) and is connected to the air guide pipe (5). The exhaust assembly is used to ensure that the exhaust gas is discharged evenly in the spray chamber (3). The exhaust assembly includes: Diverter pipe (7), multiple diverter pipes (7) are provided, all of which are annular, and are nested and connected to each other. The diverter pipe (7) is connected to the air guide pipe (5). Exhaust pipe (8), multiple exhaust pipes (8) are provided, and the exhaust pipe (8) is fixedly connected to the bottom of the split pipe (7); A dividing tooth (9) is arranged around the exhaust pipe (8) at one end away from the split pipe (7); The tower body (1) is provided with a ventilation net (12) and a motor (14). The ventilation net (12) is fixedly installed on the side of the packing bin (4) near the spray bin (3). The packing is placed on the ventilation net (12). The motor (14) is fixedly installed on the top of the tower body (1). The output end of the motor (14) is connected to the turning mechanism. The flipping mechanism includes: A fixed pipe (17) is provided in the center of the ventilation network (12); A transmission rod (18) is rotatably disposed in the fixed pipe (17), and the transmission rod (18) is fixedly connected to the output end of the motor (14); Rotating sleeve (19), the rotating sleeve (19) is rotatably connected to the fixed pipe (17), and the rotating sleeve (19) is fixedly connected to the transmission rod (18); The overturning shovel assembly is fixedly connected to the rotating sleeve (19), and the overturning shovel assembly is in contact with the upper side of the ventilation net (12). The overturning shovel assembly is used to overturn the packing in the packing bin (4). The overturning shovel assembly includes: The shovel body (20) is fixedly connected to the rotating sleeve (19), the shovel body (20) is inclined, and the shovel body (20) is in contact with the ventilation net (12); The second shovel (21) is fixedly connected to the lower side of the first shovel (20). The second shovel (21) is inclined and does not contact the first shovel (20).

2. The spray scrubbing device for purifying chemical waste gas according to claim 1, characterized in that, The spray chamber (3) contains spray liquid, the exhaust pipe (8) extends below the surface of the spray liquid, and a drain channel (10) is provided on the side of the spray chamber (3), and a drain valve (11) is fixedly connected to the drain channel (10).

3. The spray scrubbing device for purifying chemical waste gas according to claim 2, characterized in that, The tower body (1) is equipped with: An exhaust pipe (13) is fixedly connected to the top of the tower body (1); Spray pipe (15), each of the packing chambers (4) is fixedly connected to a spray pipe (15) on the side near the motor (14), and multiple spray nozzles are provided on the side of the spray pipe (15) near the spray chamber (3); Liquid supply pipe (16) is fixedly installed on the outside of the tower body (1) and is connected to each of the spray pipes (15).

4. The spray scrubbing device for purifying chemical waste gas according to claim 3, characterized in that, In the multiple flipping mechanisms, the fixed pipe (17) in the flipping mechanism located above the tower body (1) is fixedly connected to the top of the tower body (1), and the fixed pipe (17) in the other flipping mechanisms is fixedly connected to the ventilation net (12) on the upper side.

5. The spray scrubbing device for purifying chemical waste gas according to claim 4, characterized in that, A support wheel (22) is rotatably connected to the side of the shovel body one (20) near the ventilation net (12). The support wheel (22) is in contact with the ventilation net (12). Water channels (23) are provided on both the shovel body one (20) and the shovel body two (21).

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