Coating line waste gas emission mechanism

Abstract

The utility model provides a coating line waste gas emission mechanism which comprises a treatment box, four supporting columns are arranged at the bottom of the treatment box, the supporting columns are fixed on the periphery of the lower surface of the treatment box and are welded and fixed with the treatment box, a top cover is arranged at the top of the treatment box, the top cover is fixedly connected with the treatment box through a fastener, and the top cover is fixedly connected with the treatment box. An air outlet is formed in the right side wall of the treatment box, an air blower is arranged at the air outlet, and the input end of the air blower is connected with the air outlet; an air inlet pipe is arranged at the lower end of the left side wall of the treatment box, an air extracting pump is arranged at one end of the air inlet pipe, the other end of the air inlet pipe communicates with the interior of the treatment box, and the air inlet pipe extends into the treatment box; the lower half part of the interior of the treatment box is filled with chemical treatment liquid for neutralizing harmful substances in the waste gas, and the harmful substances in the waste gas are effectively removed in a manner of combining chemical treatment and physical filtration, so that the purification effect of the waste gas is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to exhaust emission technical field especially, relates to a kind of coating line exhaust emission mechanism. BACKGROUND

[0002] Coating refers to the surface of metal and non-metal covering protective layer or decorative layer, with the development of industrial technology, coating has developed from manual to industrial automation direction, and the degree of automation is higher and higher, so the application of coating production line is more and more widely, and in-depth to many fields of national economy, and coating line refers to the production line produced by a series of operation processes, and its process flow is mainly divided into pretreatment, powder spraying, heating and curing steps;

[0003] The existing Chinese patent document CN201220464737.5 provides a kind of exhaust emission mechanism of aluminum foil coating line, belongs to mechanical technical field.It solves the problem that the space occupied by the existing exhaust emission mechanism of aluminum foil coating line is large, the layout of pipeline is complicated, compactness is poor, cost is high.The exhaust emission mechanism of the aluminum foil coating line, the aluminum foil coating line includes paint booth, oven and exhaust gas purification device, the exhaust emission mechanism includes first branch pipe one, first branch pipe two, and the exhaust emission main pipe connected with the exhaust gas purification device;The inner cavity of the paint booth is connected with the exhaust emission main pipe through the first branch pipe one;The inner cavity of the oven is connected with the exhaust emission main pipe through the first branch pipe two.The exhaust emission mechanism of the aluminum foil coating line is simple in structure, reasonable in layout, better in overall compactness, small in space occupied, low in energy consumption and cost, and good in versatility.

[0004] But the above patent has certain defects when using, waste gas generated by coating contains a large amount of solid impurities and harmful gases to the environment, the device just collects and discharges, without filtering effect, direct discharge will cause environmental pollution.

[0005] Therefore, a kind of coating line exhaust emission mechanism is proposed here to solve the above problems. INVENTION CONTENTS

[0006] In order to overcome the deficiencies of the prior art, the utility model provides a kind of coating line exhaust emission mechanism.

[0007] The utility model adopts the following technical scheme to realize:

[0008] A kind of coating line exhaust emission mechanism, including processing box, the bottom of the processing box is equipped with four support columns, the support column is fixed at the periphery of processing box lower surface, and is welded and fixed, the top of the processing box is equipped with top cover, the top cover is fixedly connected with processing box by fastener, the right side wall of the processing box is equipped with gas outlet, the gas outlet is equipped with air blower, and the input end of the air blower is connected with gas outlet.

[0009] The lower end of the left side wall of the processing box is provided with an air inlet pipe, one end of the air inlet pipe is provided with an air extraction pump, the other end is connected with the inside of the processing box, the air inlet pipe extends into the inside of the processing box and is parallel to the processing box, and the part of the air inlet pipe in the inside of the processing box is provided with a plurality of air outlet holes.

[0010] The lower half of the inside of the processing box is filled with chemical treatment liquid, and is used for neutralizing harmful substances in the waste gas.

[0011] The inside of the processing box is provided with a filter screen, and the filter screen is fixed on the inner wall of the processing box.

[0012] The processing box is also provided with a stirring and cleaning device, the stirring and cleaning device comprises a motor, the motor is fixed on the upper surface of the top cover, the output end of the motor is provided with a rotating shaft, the rotating shaft extends into the processing box and is located at the upper end of the air inlet pipe, a plurality of stirring rods and cleaning rods are arranged on the rotating shaft, a plurality of cleaning brushes are arranged on the lower surface of the cleaning rod, a through hole is arranged on the filter screen and used for placing the rotating shaft, the cleaning rod is located above the filter screen, and the cleaning brush is in contact with the filter screen.

[0013] The end of the stirring rod and the cleaning rod is provided with a thread, and the stirring rod and the cleaning rod are threadedly connected with the rotating shaft.

[0014] The bottom of the processing box is provided with a water outlet, a water outlet valve is arranged at the water outlet, and a water outlet pipe is arranged at the other end of the water outlet valve.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] 1. By arranging the processing box, the inside of the processing box is provided with chemical treatment liquid, and the filter screen is arranged in the inside of the processing box, the waste gas outside is introduced into the processing box, the harmful substances in the waste gas are effectively removed by combining chemical treatment and physical filtration, and the purification effect of the waste gas is improved.

[0017] 2. By arranging the stirring and cleaning device in the processing box, a plurality of stirring rods and cleaning brushes are arranged in the stirring and cleaning device, the stirring rod can stir and mix the treatment liquid, the reaction treatment is more sufficient, the cleaning brush can clean the filter screen, the uniform mixing of the chemical treatment liquid and the cleaning of the filter screen are ensured, and the processing efficiency and service life are improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a whole structure schematic view of the present application;

[0019] Fig. 2 It is an explosion schematic view of the whole structure of the present application;

[0020] Fig. 3It is the internal structure schematic view of the utility model;

[0021] Fig. 4 It is the stirring cleaning device structure schematic view of the utility model;

[0022] In the drawing: 1, processing box;11, air outlet;2, top cover;3, support column;4, air inlet pipe;41, elbow;42, air outlet hole;5, stirring cleaning device;51, motor;52, rotating shaft;53, cleaning rod;54, cleaning brush;55, stirring rod;6, water outlet valve;7, water outlet pipe;8, filter screen;81, through hole. Specific implementation

[0023] Next, the utility model is further described in combination with the drawings and specific implementation, it is to explain, under the premise of not conflicting, the following described each embodiment or each technical feature between can be combined to form new embodiment.

[0024] The utility model is further described below in combination with the drawings,

[0025] As Figs. 1 to 4 Indicated, a kind of coating line waste gas discharge mechanism, including processing box 1, the bottom of the processing box 1 is equipped with four support columns 3, the support column 3 is fixed in the four around lower surface of processing box 1, and is welded and fixed, support column 3 is used to support entire processing box 1, the top of the processing box 1 is equipped with top cover 2, the top cover 2 is fixedly connected with processing box 1 by fastener, fastener is fastened and connected using bolt, top cover 2 closes the top of processing box 1, prevent waste gas leakage, and it is convenient to disassemble and maintain, the right side wall of the processing box 1 is equipped with air outlet 11, the air outlet 11 is equipped with air blower, the input end of the air blower is connected with air outlet 11, and the air blower is used to extract and discharge after processing waste gas.

[0026] The left side wall lower end of the processing box 1 is equipped with air inlet pipe 4, one end of the air inlet pipe 4 is equipped with air pump, and the other end is connected with the inside of processing box 1, the air inlet pipe 4 extends into the inside of processing box 1, and is parallel with processing box 1, the part of the air inlet pipe 4 in the inside of processing box 1 is equipped with multiple air outlet holes 42, and the air outlet holes 42 are located in the lower half of the air inlet pipe 4 to uniformly introduce waste gas generated by coating line into processing box 1.

[0027] The lower half of the inside of the processing box 1 is filled with chemical treatment liquid, for neutralizing harmful substances in waste gas. The chemical treatment liquid can neutralize harmful substances in waste gas, such as paint particles, volatile organic compounds, etc., to ensure that waste gas is effectively purified.

[0028] The inside of the processing box 1 is equipped with filter screen 8, the filter screen 8 is fixed on the inner wall of processing box 1, and the filter screen 8 is used to further filter impurities in waste gas to improve purification effect.

[0029] In order to keep the filter screen 8 clean and unobstructed, and also have a more efficient chemical treatment liquid reaction, the treatment box 1 is also provided with a stirring and cleaning device 5, the stirring and cleaning device 5 comprises a motor 51 fixed on the upper surface of the top cover 2, the output end of the motor 51 is provided with a rotating shaft 52 extending into the treatment box 1 and located at the upper end of the air inlet pipe 4, a plurality of stirring rods 55 and cleaning rods 53 are arranged on the rotating shaft 52, the lower surface of the cleaning rod 53 is provided with a plurality of cleaning brushes 54, a through hole 81 is arranged on the filter screen 8 for placing the rotating shaft 52, the cleaning rod 53 is located above the filter screen 8, and the cleaning brush 54 is in contact with the filter screen 8. The stirring rod 55 and the cleaning rod 53 are rotated by the rotation of the motor 51, so that the stirring and cleaning of the chemical treatment liquid and the cleaning of the filter screen 8 are realized.

[0030] In order to facilitate the disassembly and replacement of the stirring rod 55 and the cleaning rod 53, the end of the stirring rod 55 and the cleaning rod 53 is provided with a thread, and the stirring rod 55 and the cleaning rod 53 are threadedly connected with the rotating shaft 52.

[0031] In order to facilitate the discharge of the treated chemical treatment liquid, the bottom of the treatment box 1 is provided with a water outlet, the water outlet is provided with a water outlet valve 6, and the other end of the water outlet valve 6 is provided with a water outlet pipe 7. By opening the water outlet valve 6, the treated chemical treatment liquid can be discharged from the treatment box 1 to replace the new treatment liquid.

[0032] The use principle of the utility model is: when in use, the waste gas generated by the coating line enters the inside of the treatment box 1 under the action of the air suction pump through the air inlet pipe 4, the harmful substances are neutralized after the waste gas fully contacts with the chemical treatment liquid, the waste gas is further filtered through the filter screen 8 to remove the impurities therein, and finally the treated waste gas is discharged into the atmosphere from the air outlet 11 under the action of the air blower.

[0033] While the chemical treatment liquid is reacting, the stirring and cleaning device 5 continuously stirs the chemical treatment liquid and cleans the filter screen 8, so that the treatment effect and the unobstructedness of the filter screen 8 are ensured.

[0034] When the treated chemical treatment liquid needs to be discharged, the water outlet valve 6 can be opened.

[0035] The above-mentioned embodiments are only preferred embodiments of the utility model, and cannot be used to limit the range of protection of the utility model, and any non-substantial changes and replacements made by the person skilled in the art on the basis of the utility model all belong to the range of protection required by the utility model.

Claims

1. A coating line exhaust gas emission mechanism, comprising a treatment box, wherein the bottom of the treatment box is provided with four support columns, the support columns being fixed to the lower surface of the treatment box around its perimeter and welded thereto, characterized in that, The top of the processing box is provided with a top cover, which is fixedly connected to the processing box by fasteners. The right side wall of the processing box is provided with an air outlet, and a blower is provided at the air outlet. The input end of the blower is connected to the air outlet. An air inlet pipe is provided at the lower end of the left side wall of the processing box. One end of the air inlet pipe is equipped with an air pump, and the other end is connected to the inside of the processing box. The air inlet pipe extends into the inside of the processing box and is parallel to the processing box. The part of the air inlet pipe inside the processing box is provided with multiple air outlets. The lower half of the treatment chamber is filled with chemical treatment liquid, which is used to neutralize and treat harmful substances in the exhaust gas.

2. The exhaust gas emission mechanism for a coating line according to claim 1, characterized in that: The processing box is equipped with a filter screen, which is fixed to the inner wall of the processing box.

3. The exhaust gas emission mechanism for a painting line according to claim 2, characterized in that: The processing box is also equipped with a stirring and cleaning device, which includes a motor. The motor is fixed on the upper surface of the top cover. The output end of the motor is equipped with a rotating shaft. The rotating shaft extends into the processing box and is located at the upper end of the air inlet pipe. The rotating shaft is equipped with multiple stirring rods and cleaning rods. The lower surface of the cleaning rods is equipped with multiple cleaning brushes. The filter screen is equipped with through holes for placing the rotating shaft. The cleaning rods are located above the filter screen, and the cleaning brushes are in contact with the filter screen.

4. The exhaust gas emission mechanism for a painting line according to claim 3, characterized in that: The ends of the stirring rod and the cleaning rod are threaded, and the stirring rod and the cleaning rod are threadedly connected to the rotating shaft.

5. The exhaust gas emission mechanism for a painting line according to claim 1, characterized in that: The bottom of the treatment tank is provided with a water outlet, and a water outlet valve is provided at the water outlet. The other end of the water outlet valve is provided with a water outlet pipe.

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