CN107638759A - Air pollution treatment equipment - Google Patents

Abstract

The invention discloses a kind of atmosphere pollution processing equipment, including gas skirt, treatment box and gas outlet, the both ends for the treatment of box are connected with gas skirt and gas outlet respectively, and treatment box is divided into atomization storehouse, air blast storehouse and cooling storehouse, demisting storehouse, and air exhauster and exhaust passage are provided with gas outlet.The present invention has fully adsorbed fine particulates and droplet, greatly reducing the risk that industrial waste gas causes haze by the setting of cooling storehouse.

Description

Air pollution treatment equipment

technical field

The invention relates to an air treatment technology, in particular to an air pollution treatment equipment.

Background technique

At present, the control of air pollution has received extensive attention. Fog and haze are common forms of air pollution, which are more harmful to the human body when inhaled, so they have also received widespread attention. At present, the causes of smog formation are also relatively complicated. Industrial exhaust gas is one of the main reasons. Due to the high price of dust collectors, and the particulate matter emitted by bag-type dust collectors and electrostatic dust collectors after treatment has not reached the emission limit. Still able to cause haze weather.

Contents of the invention

The technical problem to be solved by the present invention is to provide an air pollution treatment device, which can remove fine dust and mist from industrial waste gas and purify the discharged waste gas.

In order to achieve the above object, the present invention provides the following technical solutions: a kind of air pollution treatment equipment, comprising a gas collection hood, a processing box and a gas outlet tube, the two ends of the treatment box are respectively connected with the gas collection hood and the gas outlet tube, inside the gas collection hood Equipped with compressed air, the gas collecting hood communicates with the processing box through the air induction channel;

The treatment box is a cylinder placed vertically, and the interior of the treatment box is divided into an atomization chamber, a blast chamber, a cooling chamber, and a demist chamber through a partition in the cylinder, and the atomization chamber, the blast chamber, and the cooling chamber . The defogging chambers are distributed from bottom to top in turn, and every two adjacent chambers are connected, the air collecting hood is connected to the atomization chamber through the air-inducing channel, and the defogging chamber is connected to the air outlet;

The atomization bin is provided with a micro atomizer, the micro atomizer is connected to the clean water outside through a pipe, and the connection between the pipe and the atomization bin is sealed, and the partition between the atomization bin and the blast bin is The center of the plate I is provided with a vent, and the side of the partition I away from the blast chamber is provided with a throttle ring; the blast chamber is provided with a blade group, and the blade group is fixed to the blast chamber through a rotating shaft. The middle part of the rotating shaft, and the two ends of the rotating shaft are respectively fixed by sealed bearings, the blade group is arranged in the middle part of the rotating shaft, and the partition II between the blast chamber and the cooling chamber is provided with a vent, which is sealed and connected A ventilation pipe, the ventilation pipe is L-shaped, one end of the ventilation pipe communicates with the blast chamber, and the other end faces the side wall of the cooling chamber; a condensing plate is installed on the side wall of the cooling chamber, and the ventilation pipe The end is facing the condensation plate, and the bottom of the cooling chamber is provided with a condensate tank I, and the middle part of the partition III between the cooling chamber and the demist chamber is provided with a ventilation port, and the partitions II and the There is an insulation layer on the partition III, and the connection between the ventilation pipe and the partition II is sealed; the end of the demist chamber near the outlet tube is provided with a circle of demist absorption layer, and the demist chamber is near the bottom. There is condensate water tank II; the demisting and absorbing layer is a double cylinder, including an inner cylinder and an outer cylinder, and the inner cylinder is divided into four equal areas distributed up and down by three sealing plates I. The gap part between them is divided into four equal areas distributed up and down by three sealing plates II, and the sealing plate I corresponds to the sealing plate II one by one; the sealing plates II located at both ends are respectively provided with grids connecting the upper and lower adjacent areas The hole is sealed by the sealing plate II in the middle, and the sealing plate I in the middle is also provided with grid holes connecting the upper and lower adjacent areas of the inner cylinder; the side walls of the inner cylinder in each area are also respectively provided with There are mesh holes, and the mesh holes are filled with demister cotton, and the demist cotton occupies a demister, and the components of the demister are by weight: aloe 4%, polyvinylpyrrolidone 1 %, chondroitin sulfate 6%, the balance is water;

An exhaust fan and an exhaust channel are arranged in the outlet bag, one end of the exhaust channel communicates with the inside of the outlet bag, and the other end communicates with the outside world, and the exhaust fan is arranged at one end of the outlet channel located in the outlet bag.

Preferably, the edge of the gas collecting hood is provided with a hood rim, and the angle between the hood rim and the end of the gas collecting hood is distributed at 70°.

Preferably, an air supply pipeline is provided on the air induction channel, and a one-way valve and a regulating valve are installed on the air supply pipeline.

Preferably, a circle of guide rails is provided in the blast chamber, and the edges of the blade sets are arranged in the guide rails and slide freely along the guide rails.

Preferably, the diameter of the ventilation opening at the center of the partition I is adapted to the diameter of the effective wind guiding surface formed by the rotation of the blade group.

Preferably, a spray pipe is also provided in the demist chamber, and the spray pipe sprays the desulfurizer into the demist chamber.

By adopting the above-mentioned technical solution, the present invention eliminates the smog in the polluted atmosphere through the combination of physics and chemistry. The physical method is to suck the generated exhaust gas into the treatment box through the gas collecting hood, and the atomization chamber in the treatment box will micro-atomize the inhaled exhaust gas, and the micro-mist generated by the micro-mist device will collect fine particles and mist droplets. Adsorbed, and then stirred and mixed by the blade group in the blast chamber, so that the fine particles and mist droplets are absorbed by the micro mist and fused together to form atomization, and then the atomized particles and mist droplets are passed through by the rotation of the blade group. After entering the cooling chamber, after the condensation of the condensation plate, the atomized fine particles and mist droplets form water droplets on the condensation plate, and flow into the condensation water tank Ⅰ. As the temperature drops, sedimentation occurs, and is absorbed by the moisture on the condensation plate above the condensation plate, and finally flows into the condensation water tank Ⅰ. The exhaust gas in the cooling chamber is finally discharged into the atmosphere after chemical treatment in the demisting chamber. The chemical treatment is that the air is reacted by the defogging agent in the defogging absorption layer in the defogging chamber. The defogging agent uses polyvinylpyrrolidone as the catalyst and chondroitin sulfate as the reaction substance. When the object is in contact with air, the demister cotton can absorb The mist droplets that are not removed by physical means will cause the pollutants in the mist droplets to react with chondroitin sulfate and analyze it into a weak acid solution, which will flow back into the demister chamber, so that the mist droplets will be completely removed, and aloe vera will be added to the demister. Make the air fresher and improve air quality. The defogging absorbing layer of the present invention adopts an S-shaped detour route, so that the air circulates along the S-shaped route, prolonging the contact time between the air and the defogging cotton, thereby improving the defogging effect. The present invention fully absorbs fine particles and mist through the arrangement of the cooling chamber, and greatly reduces the risk of smog caused by industrial waste gas.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is A-A sectional view of Fig. 1;

Fig. 3 is a schematic structural view of the defogging and absorbing layer of the present invention.

detailed description

Below in conjunction with accompanying drawing, by describing embodiment, the present invention will be further described:

As shown in Figures 1 to 3, a kind of air pollution treatment equipment of the present invention comprises a gas collecting hood 1, a processing box 2 and a gas outlet tube 3, and the two ends of the processing box 2 are respectively connected with the gas collecting hood 1 and the gas outlet tube 3, and the gas collecting hood 1 is equipped with compressed air, and the gas collecting hood 1 communicates with the processing box 2 through the air induction channel 11. The edge of the gas collecting hood 1 is provided with a hood edge 12, and the angle between the hood edge 12 and the end of the gas collecting hood 1 It is distributed at 70° to avoid the escape of the air collecting hood 1, and an air supply pipeline 13 is installed on the air induction channel 11 to compensate the air pressure in the processing box 2, so as to avoid the phenomenon of insufficient air pressure. The air supply pipeline 13 is equipped with One-way valve 14 and regulating valve 15. An exhaust fan 31 and an exhaust passage 32 are arranged in the outlet tube 3 .

The processing box 2 is a cylinder placed vertically, and the interior of the processing box 2 is divided into an atomization chamber 21, a blast chamber 22, a cooling chamber 23, a demister chamber 24, an atomization chamber 21, and a blast chamber through a partition in the cylinder body. 22, cooling chamber 23, and demist chamber 24 are distributed from bottom to top in sequence, and every two adjacent chambers are connected. The air collecting hood 1 is connected to the atomization chamber 21 through the air-inducing channel 11, and the demist chamber 24 is connected to the atomization chamber 21. The punching bag 3 is connected.

The atomization chamber 21 is provided with a micro-mist device 211, the micro-mist device 211 is connected to the clean water of the outside through a pipe, and the connection between the pipe and the atomization chamber 21 is sealed, and the partition between the atomization chamber 21 and the blast chamber 22 is The center of the plate I41 is provided with a vent, and the side of the partition I41 away from the blast chamber 22 is provided with a throttle ring 212 .

The blast chamber 22 is provided with a blade group 221, the blade group 221 is fixed in the middle of the blast chamber 22 through the rotating shaft 222, and the two ends of the rotating shaft 22 are respectively fixed by the sealed bearing 223, the power of the blade group 221 comes from the blast chamber 22 The flow of air inside. The blade group 221 is arranged in the middle of the rotating shaft 222, and a circle of guide rail 224 is arranged in the blast chamber 22. The edge of the blade group 221 is arranged in the guide rail 224, and slides freely along the guide rail 224, which can prevent exhaust gas from passing through the blade group 221 and the blast chamber. The gap between the inner walls of 22 flows to ensure the power of the blade group 221. The partition II 42 between the blast chamber 22 and the cooling chamber 23 is provided with a vent, and the vent is sealed and connected with a vent pipe 421, the vent pipe 421 is L-shaped, one end of the vent pipe 421 communicates with the blast chamber 22, and the other One end faces the side wall of the cooling bin 23 .

A condensing plate 231 is installed on the side wall of the cooling chamber 23, the end of the ventilation pipe 421 faces the condensing plate 231, and the bottom of the cooling chamber 23 is provided with a condensed water tank I232, and the partition between the cooling chamber 23 and the demisting chamber 24 The middle part of the plate III43 is provided with a vent, and the partitions II42 and III43 located at both ends of the cooling chamber 23 are respectively provided with insulation layers, and the connection between the ventilation pipe 421 and the partition II42 is sealed.

A circle of defogging absorbing layer 241 is provided in the defogging chamber 24 close to the end of the outlet tube 3 , and a condensation water tank II 242 is provided in the defogging chamber 24 near the bottom. The demister absorbing layer 241 is a double cylinder, including an inner cylinder 243 and an outer cylinder 244. The inner cylinder 243 is divided into four equal areas distributed up and down by three sealing plates I 245. The gap between the inner cylinder 243 and the outer cylinder 244 The part is divided into four equal areas distributed up and down by three sealing plates II 246, the sealing plate I 245 corresponds to the sealing plate II 246 one by one; the sealing plates II 246 at both ends are respectively provided with grid holes 247 connecting the upper and lower adjacent areas, and are located in the middle The sealing plate II 246 is sealed, and the sealing plate I 245 in the middle is also provided with grid holes 247 connecting the upper and lower adjacent areas of the inner cylinder 243; the side wall of the inner cylinder 243 in each area is also provided with grid holes 247 , the mesh holes 247 are filled with defogging cotton, the defogging cotton contains a defogging agent, and the components of the defogging agent are by weight: 4% aloe, 1% polyvinylpyrrolidone, 6% chondroitin sulfate, and The amount is water.

The diameter of the ventilation opening at the center of the partition plate I41 of the present invention is adapted to the diameter of the effective air guide surface formed by the rotation of the blade group 221, so that the flow capacity of the exhaust gas between the atomization chamber 21 and the blast chamber 22 can be ensured, ensuring Exhaust gas flow velocity. In addition, the demister 24 of the present invention may be provided with a spray pipe (not drawn in the figure), through which the desulfurizer is sprayed into the demist chamber 24, and sulfur-free emission can also be realized.

The present invention sucks the generated waste gas into the treatment box 2 through the gas collecting hood 1, and the atomization chamber 21 in the treatment box 2 micro-atomizes the sucked waste gas, and the fine particles and The mist is adsorbed, and then stirred and mixed by the blade group 221 in the blast chamber 22, so that the fine particles and mist are absorbed by the micro mist and then fused together to form atomization, and then the rotation of the blade group 221, the atomized Particles and mist droplets pass into the cooling chamber 23, and through the condensation of the condensation plate 231, the atomized fine particles and mist droplets form water droplets on the condensation plate 231, and flow into the condensation water tank I 232. The adsorbed particles settle in the cooling chamber 23 due to the drop in temperature, and are absorbed by the moisture on the condensation plate 231 above the condensation plate 231, and finally flow into the condensation water tank I 232, and the exhaust gas in the cooling chamber 23 is finally demisted After the bin 24 is chemically treated, it is directly discharged into the atmosphere. The chemical treatment is that the air reacts with the defogging agent in the defogging absorbing layer 241 in the defogging chamber 24. The defogging agent adopts polyvinylpyrrolidone as a catalyst and chondroitin sulfate as a reactive substance. It can absorb the mist that has not been removed by physical means, so that the pollutants in the mist react with chondroitin sulfate and analyze it into a weak acid solution, which flows back into the demister chamber, so that the mist is completely removed, and then added to the demister Aloe Vera, freshens the air and improves air quality. The defogging absorbing layer of the present invention adopts an S-shaped circuitous route, so that the air circulates along the S-shaped route, prolonging the contact time between the air and the defogging cotton, thereby improving the defogging effect.

The present invention fully absorbs fine particles and mist droplets through the arrangement of the cooling chamber 23 and the demisting chamber 24, greatly reducing the risk of smog caused by industrial waste gas.

The arrows in Figure 3 represent the direction of air flow.

The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, without departing from the inventive concept of the present invention, some modifications and improvements can also be made, and these all belong to the present invention. protection scope of the invention.

Claims (6)

1. An air pollution treatment equipment, comprising a gas collection hood (1), a processing box (2) and a punching tube (3), the two ends of the processing box (2) are respectively connected to the gas collecting hood (1) and the punching tube (3) ) connection, characterized in that: the gas collecting hood (1) is provided with compressed air, and the gas collecting hood (1) communicates with the processing box (2) through the air induction channel (11); The treatment box (2) is a vertically placed cylinder, and the interior of the treatment box (2) is divided into an atomization chamber (21), a blast chamber (22), a cooling chamber (23), and a dehumidification chamber (23) through a partition. The mist chamber (24), the atomization chamber (21), the blast chamber (22), the cooling chamber (23), and the demist chamber (24) are distributed from bottom to top in sequence, and every two adjacent chambers The air collecting hood (1) is connected with the atomization chamber (21) through the air induction channel (11), and the defogging chamber (24) is connected with the outlet cylinder (3); The atomization chamber (21) is provided with a micro-atomizer (211), the micro-atomizer (211) is connected to the clean water of the outside through a pipe, and the connection between the pipe and the atomization chamber (21) is sealed, so The center of the partition I (41) between the atomization chamber (21) and the blast chamber (22) is provided with a ventilation opening, and the side of the partition I (41) away from the blast chamber (22) is provided with a There is a throttling ring (212); the blast chamber (22) is provided with a blade group (221), and the blade group (221) is fixed in the middle of the blast chamber (22) through a rotating shaft (222), and the Both ends of the rotating shaft (222) are respectively fixed by sealed bearings (223), the blade group (221) is arranged in the middle of the rotating shaft (222), and the space between the blast chamber (22) and the cooling chamber (23) The clapboard II (42) is provided with a vent, and the vent is sealed and connected to a vent pipe (421), the vent pipe (421) is L-shaped, and one end of the vent pipe (421) communicates with the blast chamber (22) , the other end is facing the side wall of the cooling chamber (23); a condensation plate (231) is installed on the side wall of the cooling chamber (23), and the end of the ventilation pipe (421) is facing the condensation plate (231) , and the bottom of the cooling chamber (23) is provided with a condensed water tank I (232), and the middle part of the partition III (43) between the cooling chamber (23) and the demisting chamber (24) is provided with a ventilation port, respectively located The partition II (42) and partition III (43) at both ends of the cooling chamber (23) are provided with insulation layers, and the connection between the ventilation pipe (421) and the partition II (42) is sealed; the demisting chamber (24) is provided with a circle of defogging absorption layer (241) near the end of the outlet tube (3), and there is also a condensation water tank II (242) near the bottom of the defogging chamber (24). The demisting absorption layer ( 241) is a pair of cylinders, including an inner cylinder (243) and an outer cylinder (244). The inner cylinder (243) is divided into four equal areas distributed up and down by three sealing plates I (245). The inner cylinder ( 243) and the outer cylinder (244) are divided into four equal areas distributed up and down by three sealing plates II (246), and the sealing plate I (245) corresponds to the sealing plate II (246); The sealing plates II (246) at both ends are respectively provided with mesh holes (247) connecting the upper and lower adjacent areas, the sealing plate II (246) in the middle is sealed, and the sealing plate I (245) in the middle is also provided with There are mesh holes (247) connecting the upper and lower adjacent regions of the inner cylinder (243); the side walls of the inner cylinder (243) in each region are also provided with mesh holes (247), and the mesh The grid holes (247) are filled with defogging cotton, and the defogging cotton contains a defogging agent. The components of the defogging agent are 4% aloe vera, 1% polyvinylpyrrolidone, chondroitin sulfate 6%, the balance is water; An exhaust fan (31) and an exhaust channel (32) are arranged inside the outlet tube (3). One end of the exhaust channel (32) communicates with the inside of the outlet tube (3), and the other end communicates with the outside world. The exhaust fan (31 ) is located at one end of the exhaust channel (32) inside the punching bag (3). 2. The air pollution treatment equipment according to claim 1, characterized in that: the edge of the gas collecting hood (1) is provided with a hood edge (12), and the hood edge (12) is in contact with the gas collecting hood (1) The included angles between the ends are distributed at 70°. 3. The air pollution treatment equipment according to claim 2, characterized in that: the air-inducing channel (11) is provided with an air supply pipeline (13), and a check valve is installed on the air supply pipeline (13) (14) and regulating valve (15). 4. The air pollution treatment equipment according to claim 3, characterized in that: a circle of guide rails (224) is arranged inside the blast chamber (22), and the edges of the blade group (221) are arranged on the guide rails (224) inside, and slide freely along the guide rail (224). 5. The air pollution treatment equipment according to claim 4, characterized in that: the diameter of the ventilation opening in the center of the partition I (41) is the same as the diameter of the effective wind guiding surface formed by the rotation of the blade group (221) adapt. 6. The air pollution treatment equipment according to any one of claims 1 to 5, characterized in that: the demisting chamber (24) is also provided with a spray pipe, and the spraying pipe leads to the demisting chamber (24 ) to spray desulfurizer inside.