Waste gas treatment equipment for automobile part paint spray booth

Abstract

The utility model provides waste gas treatment equipment for an automobile part paint spray booth, belongs to the field of waste gas treatment, aims to solve the problems of poor purification effect, energy waste and inconvenience in maintenance, and comprises a waste gas treatment box, a filtering bin is arranged on the front side in the waste gas treatment box, three multi-layer filtering plates are inserted into the filtering bin at equal intervals, an activated carbon adsorption bin and a catalytic combustion bin are sequentially arranged on the rear side in the waste gas treatment box from top to bottom, and the top of the activated carbon adsorption bin is connected with a feeding bin fixedly installed on the waste gas treatment box. A conveying motor is fixedly mounted in the middle of the top of the feeding bin, and an exhaust pipeline is fixedly connected to the rear side wall of the waste gas treatment box. According to the waste gas treatment equipment for the automobile part paint spray booth, impurities can be gradually filtered out according to the particle size through the multi-stage filter screen of the multi-layer filter plate, organic pollutants are strongly adsorbed by the activated carbon adsorption bin, combustible components are decomposed at high temperature by the catalytic combustion bin, efficient purification of waste gas of the paint spray booth is achieved, and the discharged waste gas meets the environmental protection standard.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field especially relates to a kind of waste gas treatment equipment of automobile parts paint spraying room. BACKGROUND

[0002] In the production process of automobile parts, paint spraying is a common process link, however, paint spraying process can produce a large amount of harmful substances such as waste gas containing organic pollutants, paint mist particles, if these waste gas is directly discharged without effective treatment, not only can cause serious pollution to atmospheric environment, harm human health, but also can cause safety hazard, the waste gas treatment equipment of existing automobile parts paint spraying room single filter link filter screen is difficult to separate different particle size impurities, adsorption capacity of adsorption material is limited, leading to poor purification effect, difficult to reach standard discharge, in energy utilization, heat energy generated by catalytic combustion is not recycled, causing energy waste and cost increase, and equipment maintenance is inconvenient, filter components are difficult to disassemble and clean, and adsorption material is difficult to replace. SUMMARY

[0003] The utility model aims at providing a kind of waste gas treatment equipment of automobile parts paint spraying room to solve the problem of insufficient filter and adsorption capacity of waste gas treatment equipment in the above background art, difficult to reach standard discharge, catalytic combustion heat energy is not recycled, increase cost, filter components are difficult to clean, and adsorption material is inconvenient to replace.

[0004] The purpose and effect of the waste gas treatment equipment of automobile parts paint spraying room of the utility model are achieved by the following specific technical means:

[0005] A kind of waste gas treatment equipment of automobile parts paint spraying room, wherein the waste gas treatment equipment of automobile parts paint spraying room includes waste gas treatment box;The inside front side of the waste gas treatment box is filter bin, three multilayer filter plates are inserted at equal distance in filter bin, active carbon adsorption bin and catalytic combustion bin are sequentially provided from top to bottom in the inside rear side of waste gas treatment box, the top of active carbon adsorption bin is connected with feed bin fixedly installed on waste gas treatment box, feed bin is fixedly installed with feed motor in the middle of top, exhaust duct is fixedly connected on the rear side wall of waste gas treatment box, the rear end of exhaust duct is fixedly connected with exhaust main pipe, and centrifugal fan is fixedly connected in the bottom of exhaust main pipe.

[0006] Further, the top of the filter bin is buckled with a cover plate, three rectangular mounting clamping grooves are equally spaced apart in the bottom end face of the filter bin, the multilayer filter plates are inserted in the mounting clamping grooves, six protruding multistage filter screens are arranged in a rectangular array on the rear side wall of the multilayer filter plates, the pore sizes of the multistage filter screens on the rear side of the three multilayer filter plates arranged from front to back are sequentially reduced, and a dust collection groove is formed in the front side bottom of the multilayer filter plates.

[0007] Further, the front side of the activated carbon adsorption bin and the filter bin are in communication, and the activated carbon adsorption bin is funnel-shaped, and the top of the activated carbon adsorption bin is connected with the feeding pipe and the feeding bin.

[0008] Further, the top of the catalytic combustion bin is connected with a downward feeding pipe, the feeding pipe is in communication with the activated carbon adsorption bin, a heat exchange cavity is formed in the outer side wall of the feeding pipe, the heat exchange cavity is connected with an external heat device through the pipe, and two igniters are symmetrically arranged at the bottom of the catalytic combustion bin.

[0009] Further, the feeding bin is funnel-shaped, a feeding machine base is arranged at the top of the middle of the feeding bin, a feeding motor is fixedly arranged at the top of the feeding machine base, a driving shaft of the feeding motor is connected with a spiral conveying shaft, and the spiral conveying shaft is rotatably connected with the feeding pipe of the activated carbon adsorption bin and the feeding pipe of the catalytic combustion bin.

[0010] Further, the exhaust pipe is 'h'-shaped, the upper and lower ends of the front side of the exhaust pipe are connected with the rear side walls of the activated carbon adsorption bin and the catalytic combustion bin respectively, an electromagnetic valve is arranged on the branch end of the exhaust pipe connected with the catalytic combustion bin, and the end of the exhaust pipe connected with the exhaust main pipe is curved upwards.

[0011] The utility model provides a kind of exhaust treatment equipment of automobile accessory paint spraying room, with following beneficial effects:

[0012] 1. The multi-stage filter screen of multilayer filter plate can filter impurities gradually according to particle size, the activated carbon adsorption bin strongly adsorbs organic pollutants, and the catalytic combustion bin decomposes combustible components at high temperature, so that the exhaust gas of paint spraying room is efficiently purified through the series of processes, the discharged exhaust gas meets environmental protection standards, the heat exchange cavity of catalytic combustion bin can deliver the heat generated by combustion to external heat device, effectively recycle energy and reduce energy consumption.

[0013] 2. From the maintenance convenience and equipment running stability, the cover plate of filter bin is convenient to open, multilayer filter plate and dust collection groove are easy to clean, the persistence of filtering effect is guaranteed, the activated carbon adsorption bin is funnel-shaped, saturated activated carbon is easy to collect, the feeding bin is in communication with feeding pipe, activated carbon can be replenished in time, the design of exhaust pipe and exhaust main pipe cooperates with centrifugal fan, the smooth exhaust of exhaust gas is guaranteed, the electromagnetic valve on the branch end of exhaust pipe connected with catalytic combustion bin can flexibly control the on-off of exhaust gas, equipment running stability is guaranteed, and the design of overall equipment provides strong support for long-term stable operation and convenient maintenance. ACCURACY OF DRAWINGS

[0014] Figure 1 It is a right front side shaft structure schematic view of the utility model;

[0015] Figure 2 It is right rear side shaft view structure schematic view of the utility model;

[0016] Figure 3 It is waste gas treatment box cut structure schematic view of the utility model;

[0017] Figure 4 It is waste gas treatment box cut split structure schematic view of the utility model;

[0018] Figure 5 It is active carbon adsorption bin and catalytic combustion bin split structure schematic view of the utility model;

[0019] Figure 6 It is exhaust main pipe cut structure schematic view of the utility model.

[0020] In the figure, the corresponding relation of component name and drawing number is:

[0021] 1, waste gas treatment box;101, filter bin;10101, installation clamping groove;102, active carbon adsorption bin;10201, feed pipe;103, catalytic combustion bin;10301, lower discharge pipe;10302, heat exchange cavity;104, feed bin;10401, feed machine base;2, cover plate;3, multilayer filter plate;301, multistage filter screen;302, dust collection tank;4, feed motor;401, spiral conveying shaft;5, igniter;6, exhaust pipe;601, electromagnetic valve;7, centrifugal fan;8, exhaust main pipe. Specific implementation

[0022] The implementation of the utility model is described in further detail below in combination with the drawings and examples.

[0023] Example one:

[0024] As shown in the accompanying Figure 1 to the accompanying Figure 6 As shown:

[0025] The utility model provides a kind of waste gas treatment equipment of automobile accessory paint spraying room, including: waste gas treatment box 1;The inside front side of waste gas treatment box 1 is filter bin 101, three multilayer filter plates 3 are inserted in filter bin 101 at equal distance, active carbon adsorption bin 102 and catalytic combustion bin 103 are sequentially provided from top to bottom in the inside rear side of waste gas treatment box 1, the top of active carbon adsorption bin 102 is connected with feed bin 104 fixedly installed on waste gas treatment box 1, feed bin 104 is fixedly installed with feed motor 4 in the middle of top, exhaust duct 6 is fixedly connected on the rear wall of waste gas treatment box 1, the rear end of exhaust duct 6 is fixedly connected with exhaust main pipe 8, the bottom of exhaust main pipe 8 is fixedly connected with centrifugal fan 7, the top of filter bin 101 is buckled with cover plate 2, three rectangular mounting clamping grooves 10101 are provided at equal distance in the bottom end surface of filter bin 101, multilayer filter plate 3 is inserted in mounting clamping groove 10101, six convex multistage filter screens 301 are provided in rectangular array on the rear wall of multilayer filter plate 3, the aperture of three multilayer filter plates 3 from front to back is sequentially reduced, dust collection groove 302 is provided in the front side bottom of multilayer filter plate 3, specific effect, multistage filter screen 301 on multilayer filter plate 3 can carry out preliminary filtration to waste gas, the aperture of multilayer filter plate 3 from front to back is sequentially reduced, different particle size impurity particles can be filtered out gradually, improve filtration effect, dust collection groove 302 is used to collect dust and impurities intercepted in filtration process, prevent it from entering waste gas treatment process again, cover plate 2 is convenient to open filter bin 101, multilayer filter plate 3 is cleaned and replaced.

[0026] Wherein, the front side of active carbon adsorption bin 102 and filter bin 101 communication are netted, the bottom of active carbon adsorption bin 102 is funnel-shaped, the top of active carbon adsorption bin 102 is connected with feed pipe 10201 and feed bin 104 is communicated, specific effect, the front side of active carbon adsorption bin 102 and filter bin 101 communication are netted, can make waste gas after preliminary filtration evenly enter, the bottom of active carbon adsorption bin 102 is funnel-shaped, it is convenient to collect active carbon after adsorption saturation, top connection feed pipe 10201 and feed bin 104 are communicated, can supplement new active carbon, active carbon has strong adsorption capacity, can adsorb organic pollutants in waste gas, further purify waste gas.

[0027] The top middle of the catalytic combustion bin 103 is connected with a downward feeding pipe 10301, the feeding pipe 10301 is communicated with the activated carbon adsorption bin 102, a heat exchange cavity 10302 is arranged in the outer side wall of the feeding pipe 10301, the heat exchange cavity 10302 is connected with an external heat equipment through a pipe, two igniters 5 are symmetrically arranged at the bottom of the catalytic combustion bin 103, the activated carbon saturated by adsorption can be transported to the catalytic combustion bin 103 through the communication between the feeding pipe 10301 and the activated carbon adsorption bin 102, the heat exchange cavity 10302 can utilize the heat generated by catalytic combustion to be transported to the external heat equipment through the pipe, so that the energy recycling is realized, the two igniters 5 symmetrically arranged at the bottom are used for igniting the combustible components in the activated carbon and the waste gas entering the catalytic combustion bin 103, so that the organic pollutants are decomposed into harmless carbon dioxide and water at high temperature.

[0028] The feeding bin 104 is funnel-shaped, a feeding machine base 10401 is arranged at the top middle of the feeding bin 104, a feeding motor 4 is fixedly arranged at the top of the feeding machine base 10401, a spiral conveying shaft 401 is connected to the bottom driving shaft of the feeding motor 4, the spiral conveying shaft 401 is rotatably connected in the feeding pipe 10201 of the activated carbon adsorption bin 102 and the feeding pipe 10301 of the catalytic combustion bin 103, the activated carbon can be conveniently stored and transported through the funnel-shaped feeding bin 104, the feeding motor 4 is arranged on the feeding machine base 10401, the spiral conveying shaft 401 connected to the driving shaft of the feeding motor 4 can rotate in the feeding pipe 10201 and the feeding pipe 10301, so that the activated carbon can be transported from the feeding bin 104 to the activated carbon adsorption bin 102 and the catalytic combustion bin 103.

[0029] The exhaust pipe 6 is in the shape of "h", the upper and lower ends of the front side of the exhaust pipe 6 are connected to the rear side walls of the activated carbon adsorption bin 102 and the catalytic combustion bin 103 respectively, an electromagnetic valve 601 is arranged on the branch end of the exhaust pipe 6 connected to the catalytic combustion bin 103, the end of the exhaust pipe 6 connected to the exhaust main pipe 8 is curved upward, the activated carbon adsorption bin 102 and the catalytic combustion bin 103 can be connected to the upper and lower ends of the front side of the exhaust pipe 6 in the shape of "h" respectively, so that the waste gas treated by the two bins can be collected and transported to the exhaust main pipe 8, the electromagnetic valve 601 arranged on the branch end of the exhaust pipe 6 connected to the catalytic combustion bin 103 can control the on-off of the waste gas discharged from the catalytic combustion bin 103, the end of the exhaust pipe 6 connected to the exhaust main pipe 8 is curved upward, so that the air upwardly blown in the exhaust main pipe 8 can accelerate the flow rate of the gas in the exhaust pipe 6, the centrifugal fan 7 arranged at the bottom of the exhaust main pipe 8 can provide power, so that the treated waste gas can be quickly discharged.

[0030] The specific use mode and effect of the embodiment are as follows:

[0031] In the use of the automobile parts paint spray booth exhaust treatment equipment, by centrifugal fan 7 from the exhaust main pipe 8 bottom up blowing, can form negative pressure zone in the exhaust pipe 6 connection in the exhaust main pipe 8 in the end, so that the air flow in the exhaust pipe 6, can enter the waste gas from the waste gas treatment box 1 filter bin 101, waste gas from the front side to the back side of multilayer filter plate 3, in the process, dust and impurities are intercepted by multistage filter screen 301 and fall into the dust tank 302, when cleaning, open the cover plate 2, multilayer filter plate 3 is extracted from the installation card slot 10101, clean the dust tank 302 and then reinstall, after filtering the waste gas in the filter bin 101 into the activated carbon adsorption bin 102, the organic pollutants in the waste gas are adsorbed by activated carbon, when activated carbon adsorption saturation, under the drive of the feed motor 4, the saturated activated carbon is adsorbed by the spiral conveying shaft 401 through the discharge pipe 10301 into the catalytic combustion bin 103, the lighter 5 ignition, the combustible components in the activated carbon and waste gas are burned, in the combustion process, the heat generated is collected by the heat exchange cavity 10302 and delivered to the external heat equipment, after catalytic combustion, the pollutants in the waste gas are greatly reduced, at the same time, the new activated carbon is driven by the feed motor 4, and the new activated carbon is conveyed to the activated carbon adsorption bin 102 by the spiral conveying shaft 401, when the catalytic combustion bin 103 is burned, the electromagnetic valve 601 is opened, so that the activated carbon in the catalytic combustion bin 103 is fully burned, after the treatment of the waste gas in the activated carbon adsorption bin 102 and the catalytic combustion bin 103, the waste gas is discharged into the atmosphere through the exhaust pipe 6 under the action of the centrifugal fan 7.

[0032] Example two:

[0033] In modern automobile parts production plant, the waste gas treatment equipment is connected with automatic control system, the dust sensor is installed in the filter bin 101, when the dust in the dust tank 302 reaches a certain amount, the signal is automatically sent to the control system, the control system controls the mechanical arm to open the cover plate 2, and the multilayer filter plate 3 is taken out for cleaning, the adsorption saturation sensor is installed in the activated carbon adsorption bin 102, when the activated carbon is saturated, the feed motor 4 is automatically started, the new activated carbon is conveyed from the feed bin 104 through the spiral conveying shaft 401, in the catalytic combustion bin 103, the ignition time and combustion process of the lighter 5 are accurately controlled by using temperature sensor and pressure sensor, to ensure the best catalytic combustion effect, through the combination of automatic control system, the running stability and intelligent degree of the waste gas treatment equipment are greatly improved.

Claims

1. A waste gas treatment device for an automotive parts painting booth, characterized in that: The utility model provides waste gas treatment box (1), the inside front side of waste gas treatment box (1) is filter bin (101), and three multilayer filter plates (3) are inserted in filter bin (101) at equal distance, and the inside rear side of waste gas treatment box (1) is equipped with activated carbon adsorption bin (102) and catalytic combustion bin (103) from top to bottom, the top of activated carbon adsorption bin (102) is connected with feed bin (104) fixedly installed on waste gas treatment box (1), the top middle part of feed bin (104) is fixedly installed with feed motor (4), the rear side wall of waste gas treatment box (1) is fixedly connected with exhaust duct (6), the rear end of exhaust duct (6) is fixedly connected with exhaust main pipe (8), and the bottom of exhaust main pipe (8) is fixedly connected with centrifugal fan (7).

2. The exhaust treatment device for an automotive parts paint spray booth of claim 1, wherein: The top of filter bin (101) is buckled with cover plate (2), and the bottom end surface of filter bin (101) is equally provided with three rectangular mounting clamping grooves (10101), the bottom of multilayer filter plate (3) is inserted into the mounting clamping groove (10101), and six convex multistage filter screens (301) are arranged in a rectangular array on the rear side wall of multilayer filter plate (3), the hole diameters of the multistage filter screens (301) of the three multilayer filter plates (3) arranged from front to rear are sequentially reduced, and a dust collection groove (302) is formed in the front side bottom of multilayer filter plate (3).

3. The exhaust treatment device for an automotive parts paint spray booth of claim 1, wherein: The front side of activated carbon adsorption bin (102) and the communication part of filter bin (101) are in a mesh shape, the bottom of activated carbon adsorption bin (102) is in a funnel shape, and the top of activated carbon adsorption bin (102) is connected with a feed pipe (10201) and a feed bin (104) in communication.

4. The exhaust treatment device for an automotive parts paint spray booth of claim 1, wherein: The top middle part of catalytic combustion bin (103) is connected with a downwardly extending feed pipe (10301), the feed pipe (10301) is in communication with activated carbon adsorption bin (102), a heat exchange cavity (10302) is formed in the outer side wall of feed pipe (10301), the heat exchange cavity (10302) is connected with an external heat device through a pipe, and two igniters (5) are symmetrically installed at the bottom of catalytic combustion bin (103).

5. The exhaust treatment device for an automotive parts paint spray booth of claim 1, wherein: The feed bin (104) is in a funnel shape, a feed motor seat (10401) is arranged at the top middle part of feed bin (104), the feed motor (4) is fixedly installed at the top of feed motor seat (10401), a screw conveying shaft (401) is connected to the bottom drive shaft of feed motor (4), and the screw conveying shaft (401) is rotatably connected in the feed pipe (10201) of activated carbon adsorption bin (102) and the feed pipe (10301) of catalytic combustion bin (103).

6. The exhaust treatment device for an automotive parts paint spray booth of claim 1, wherein: The exhaust duct (6) is in an "h" shape, the upper and lower ends of the front side of exhaust duct (6) are connected to the rear side walls of activated carbon adsorption bin (102) and catalytic combustion bin (103) respectively, an electromagnetic valve (601) is installed on the branch end of the exhaust duct (6) connected to catalytic combustion bin (103), and the end of exhaust duct (6) connected to exhaust main pipe (8) is in a curved shape and faces upward.

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