Polyurethane production waste gas treatment device

Abstract

The utility model discloses a polyurethane production waste gas treatment device, relates to the technical field of waste gas treatment, and aims to solve the technical problem that the waste gas treatment work cannot be continued when the current activated carbon filter layer is replaced, so that the polyurethane waste gas treatment efficiency is influenced. Comprising a treatment box, an adjusting mechanism arranged in the treatment box and a filtering mechanism arranged on the adjusting mechanism, a waste gas inlet pipe is installed at the front end of the treatment box, adjusting openings which are symmetrically distributed are formed in the two side ends of the treatment box, the inner walls of the adjusting openings are arc-shaped tangent planes, and the adjusting mechanism comprises a rotating shaft; the rotating shaft is rotatably mounted in the treatment box, mounting rods which are symmetrically distributed are mounted on the rotating shaft, and limiting sliding blocks are arranged at the tail ends of the mounting rods. The polyurethane waste gas treatment device has the advantages that the positions of the filter plates inside and outside the treatment box can be adjusted and converted, activated carbon can be conveniently replaced, waste gas treatment can be continued during replacement, and the polyurethane waste gas treatment efficiency is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field more specifically, relate to a kind of polyurethane production waste gas treatment device. BACKGROUND

[0002] Polyurethane waste gas is a kind of harmful industrial waste gas generated in the production process of polyurethane, and the main component of polyurethane waste gas is organic waste gas, including VOCs (volatile organic compounds). These waste gases usually have irritating odor and can harm human body and environment.

[0003] In order to prevent polyurethane waste gas from causing adverse effects on the environment and human health, it needs to be treated. Polyurethane waste gas is mainly filtered and adsorbed by activated carbon. After the activated carbon is saturated, it needs to be replaced and regenerated. The activated carbon filter layer is located in the device and takes time to disassemble. During this period, the device cannot continue to treat waste gas, affecting the efficiency of waste gas treatment. In view of this, we propose a polyurethane production waste gas treatment device. UTILITY MODEL CONTENT

[0004] The utility model aims to overcome the shortcomings of the prior art, meet the needs of reality, and provide a polyurethane production waste gas treatment device to solve the technical problem that the activated carbon filter layer cannot continue to treat waste gas during replacement, affecting the efficiency of polyurethane waste gas treatment.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a polyurethane production waste gas treatment device, comprising a treatment box and a regulating mechanism arranged in the treatment box, and a filter mechanism arranged on the regulating mechanism. The front end of the treatment box is provided with a waste gas inlet pipe. The rear end of the treatment box is provided with a suction fan. The rear end of the treatment box is provided with an exhaust hole communicating with the suction fan. The two side ends of the treatment box are each provided with a symmetrically distributed adjusting port. The inner wall of the adjusting port is arc-shaped. The regulating mechanism comprises a rotating shaft. The rotating shaft is rotatably installed in the treatment box. The rotating shaft is provided with symmetrically distributed mounting rods. The end of the mounting rod is provided with a limiting sliding block.

[0006] Preferably, the filter mechanism comprises an arc-shaped plate. There are four arc-shaped plates in total. The arc-shaped plates are respectively located in the adjusting ports. The inner walls of the arc-shaped plates located at the left rear position and the right front position are provided with symmetrically distributed limiting sliding grooves. The limiting sliding block is slidably installed in the limiting sliding groove.

[0007] Preferably, a filter plate is installed between adjacent arc-shaped plates. The filter plate is provided with a filter material cavity. The filter material cavity is provided with activated carbon filter material. The upper end and the lower end of the filter plate are each provided with a material port communicating with the filter material cavity. The material port is provided with a cover plate installed by screws.

[0008] Preferably, the filter plate and the cover plate are both arranged in a wave shape, and the filter plate and the cover plate are arranged in an inwardly curved arc shape relative to the rotating shaft.

[0009] Preferably, a motor is installed at the upper end of the treatment box, and a main shaft of the motor is connected with the axis of the rotating shaft.

[0010] Compared with the prior art, the present application has the following beneficial effects:

[0011] 1. The present application adjusts the positions of the four arc-shaped plates by driving the rotating shaft to rotate by the motor, thereby interchanging the positions of the filter plates inside and outside the treatment box, so that the used filter plates are located outside the treatment box, facilitating the replacement of the activated carbon filter material, and the device can continue to perform the polyurethane waste gas treatment work during the replacement of the activated carbon filter material, thereby solving the problem that the waste gas treatment work cannot be continued during the replacement of the activated carbon, and affecting the polyurethane waste gas treatment efficiency.

[0012] 2. The present application further adjusts the positions of the filter plates by designing the filter plate structure, the wave shape of the filter plate and the inwardly curved arc shape, thereby not only facilitating the adjustment of the positions of the filter plates, but also increasing the filter material cavity, so that the filter material cavity can accommodate more activated carbon particles, thereby effectively increasing the area of waste gas filtration and adsorption and increasing the service life of the filter. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 Fig. 1 is a front view of the present application;

[0014] Figure 2 Fig. 3 is a treatment box structure diagram of the present application;

[0015] Figure 3 Fig. 4 is a sectional view of the present application;

[0016] Figure 4 Fig. 5 is a use state structure diagram of the present application;

[0017] Figure 5 Fig. 6 is a filter mechanism structure diagram of the present application.

[0018] Marked numbers in the figure: 101, treatment box; 102, waste gas inlet pipe; 103, suction fan; 104, adjusting port; 200, adjusting mechanism; 201, rotating shaft; 202, mounting rod; 203, limiting sliding block; 204, motor; 300, filter mechanism; 301, arc-shaped plate; 302, limiting sliding groove; 303, filter plate; 304, cover plate. DETAILED DESCRIPTION

[0019] As Figures 1 to 5The utility model relates to a kind of polyurethane production waste gas treatment devices, including processing box 101 and the adjusting mechanism 200 being arranged in processing box 101 and the filter mechanism 300 being arranged on adjusting mechanism 200, the front end of processing box 101 is equipped with waste gas inlet pipe 102, the rear end of processing box 101 is equipped with suction fan 103, the rear end of processing box 101 is equipped with exhaust hole being communicated with suction fan 103, the both sides of processing box 101 are symmetrically distributed and are equipped with adjusting port 104, adjusting port 104 inner wall is arc section, the adjusting mechanism 200 includes rotating shaft 201, rotating shaft 201 is rotatably installed in processing box 101, the symmetrically distributed mounting rod 202 is installed on rotating shaft 201, the end of mounting rod 202 is provided with limit sliding block 203.The utility model is improved design, the filter plate 303 inside and outside processing box 101 can be interchanged position by rotating, after being used, filter plate 303 is located outside processing box 101, it is convenient to replace activated carbon filter material, and in the process of replacing activated carbon filter material, device can continue to carry out polyurethane waste gas treatment work.

[0020] Specifically, as shown in Figure 3 、 Figure 4 and Figure 5 , filter mechanism 300 includes arc plate 301, four arc plates 301 are provided, the inner wall of arc plate 301 located at left rear position and right front position is equipped with limit sliding groove 302 being symmetrically distributed, and limit sliding block 203 is slidably installed in limit sliding groove 302.When rotating shaft 201 is rotated and adjusted to the position where arc plate 301 cannot be rotated, limit sliding block 203 will move position in limit sliding groove 302, so as to increase the range of rotation adjustment of filter plate 303, so that two filter plates 303 located in processing box 101 are rotated out of processing box 101 from adjusting port 104, and two filter plates 303 located outside processing box 101 are rotated into processing box 101.

[0021] Further, filter plate 303 is installed between adjacent arc plate 301, filter material cavity is provided in filter plate 303, activated carbon filter material is provided in filter material cavity, material port being communicated with filter material cavity is formed in the upper end and lower end of filter plate 303, and cover plate 304 is installed at material port by screwing.Screw is unscrewed on the cover plate 304 at the lower end of filter plate 303 when replacing activated carbon, so that the cover plate 304 at the lower end of filter plate 303 can be disassembled, so that activated carbon filter material can be discharged from the lower end of the material port, and then the lower end cover plate 304 is installed and the upper end cover plate 304 is disassembled, so that activated carbon filter material can be added to filter material cavity from the material port at the upper end of filter plate 303.

[0022] It is worth mentioning that the filter plate 303 and the cover plate 304 are both arranged in a wave shape, and the filter plate 303 and the cover plate 304 are arranged in an inwardly curved arc shape relative to the rotating shaft 201. The wave shape and the inwardly curved arc shape of the filter plate 303 can not only facilitate the adjustment of the position of the filter plate 303, but also can increase the filter material cavity, so that the filter material cavity can accommodate more activated carbon particles, and the area of the waste gas filtering and adsorption can be effectively increased.

[0023] It is worth mentioning that the upper end of the treatment box 101 is provided with a motor 204, and the main shaft of the motor 204 is connected with the axis of the rotating shaft 201. The rotating shaft 201 can be rotated by the working of the motor 204.

[0024] Working principle: the polyurethane production waste gas treatment device provided by the embodiment is used, the suction fan 103 is worked to generate suction at the exhaust port, the polyurethane waste gas enters the treatment box 101 from the waste gas inlet pipe 102, and the polyurethane waste gas flows to the exhaust hole under the action of the suction, the polyurethane waste gas passes through the two filter plates 303 during the polyurethane waste gas treatment, and the activated carbon filter material in the filter plate 303 can filter, adsorb and purify the polyurethane waste gas, and the polyurethane waste gas is discharged from the exhaust hole after treatment, when the activated carbon filter material in the filter plate 303 needs to be replaced, the rotating shaft 201 is rotated by the working of the motor 204, so that the two filter plates 303 in the treatment box 101 are rotated out of the treatment box 101 from the adjusting port 104, and the two filter plates 303 outside the treatment box 101 are rotated into the treatment box 101, during the rotation, the limiting slide block 203 moves in the limiting sliding groove 302, so that the range of the rotation adjustment of the filter plate 303 is increased, then the screws on the lower end cover plate 304 of the filter plate 303 are unscrewed, the lower end cover plate 304 of the filter plate 303 can be disassembled, the activated carbon filter material can be discharged from the lower end material port, then the lower end cover plate 304 is installed and the upper end cover plate 304 is disassembled, the activated carbon filter material is added to the filter material cavity from the material port at the upper end of the filter plate 303, and the device can continue to treat the polyurethane waste gas during the replacement of the activated carbon.

[0025] The embodiment of the utility model discloses the preferable embodiment, but is not limited to this, and the ordinary skill in the art, the spirit of the utility model can be appreciated by the above-mentioned embodiment, and different induction and change are made, but as long as not departing from the spirit of the utility model, are within the protection scope of the utility model.

Claims

1. A polyurethane production waste gas treatment device, characterized in that, The device includes a processing box (101), an adjustment mechanism (200) disposed within the processing box (101), and a filter mechanism (300) disposed on the adjustment mechanism (200). A waste gas inlet pipe (102) is installed at the front end of the processing box (101), and a suction fan (103) is installed at the rear end of the processing box (101). An exhaust port communicating with the suction fan (103) is opened at the rear end of the processing box (101). Adjustment ports (104) are symmetrically distributed on both sides of the processing box (101). The inner wall of the adjustment port (104) is arc-shaped. The adjustment mechanism (200) includes a rotating shaft (201), which is rotatably installed inside the processing box (101). A mounting rod (202) is symmetrically distributed on the rotating shaft (201), and a limit slider (203) is provided at the end of the mounting rod (202).

2. The polyurethane production waste gas treatment device according to claim 1, characterized in that, The filter mechanism (300) includes an arc plate (301), and there are four arc plates (301). The four arc plates (301) are respectively located in the adjustment port (104). The inner walls of the arc plates (301) located at the rear left position and the arc plates (301) located at the front right position are provided with symmetrically distributed limiting grooves (302). The limiting slider (203) is slidably installed in the limiting groove (302).

3. The polyurethane production waste gas treatment device according to claim 2, characterized in that, A filter plate (303) is installed between adjacent arc-shaped plates (301). The filter plate (303) has a filter media chamber and activated carbon filter media. The filter plate (303) has a material port at the upper and lower ends that communicates with the filter media chamber. A cover plate (304) is installed at the material port by screws.

4. The polyurethane production waste gas treatment device according to claim 3, characterized in that, The filter plate (303) and the cover plate (304) are both wavy, and the filter plate (303) and the cover plate (304) are curved inward relative to the rotation axis (201).

5. The polyurethane production waste gas treatment device according to claim 1, characterized in that, A motor (204) is installed at the upper end of the processing box (101), and the main shaft of the motor (204) is connected to the axis of the rotating shaft (201).

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