A negative pressure gas collection device based on CTP sheet production

Abstract

The utility model discloses a negative pressure gas collection device based on CTP sheet production, including a large trumpet tube, a filter box, a small trumpet tube and a gas collecting bottle. One side of the filter box is provided with an air inlet, and the other side is provided with an air outlet. The small opening of the large trumpet tube is movably connected to the air inlet, and the small opening of the small trumpet tube is movably connected to the air outlet. The inner wall of the large opening of the large trumpet tube is provided with a fan rack in the shape of "I", and a fan is provided in the middle of the fan rack. In the utility model, the filter box can adsorb harmful gases in organic waste gas, and the remaining gas can be uniformly collected in the gas collecting bottle. Through the barometer, the gas collection situation in the gas collecting bottle can be observed in real time. When enough gas is collected, the gas collecting bottle is removed, and the organic gas in the gas collecting bottle is further processed. The whole device is easy to move and install, and can be placed next to the photosensitive coating equipment more conveniently. It can absorb organic waste gas in real time and avoid the random discharge of organic gas.

Description

Technical Field

[0001] The utility model relates to the technical field of CTP plate production, in particular to a negative pressure gas collection device based on CTP plate production. Background Art

[0002] There are four main types of CTP plates according to the platemaking imaging principle: photosensitive system CTP plates, thermal system CTP plates, ultraviolet laser system CTP plates and other system CTP plates; in the production process of CTP plates, photosensitive liquid needs to be coated on the CTP plate raw materials. In the process of photosensitive liquid coating, some organic waste gas will be generated. These organic waste gases will pollute the environment of the factory and have a certain irritation to the respiratory tract of the operators. In production, these organic waste gases need to be collected; some common organic waste gas treatment equipment currently available are relatively large treatment devices, most of which are fixedly installed in the factory, which are inconvenient to move and difficult to collect in a targeted manner.

[0003] In view of the above problems, the present utility model is proposed. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a negative pressure gas collection device based on CTP sheet production, which is used to solve the problems mentioned in the background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions.

[0006] The utility model provides a negative pressure gas collection device based on CTP sheet production, comprising a large trumpet tube, a filter box, a small trumpet tube and a gas collecting bottle, wherein one side of the filter box is provided with an air inlet, and the other side is provided with an air outlet, the small opening of the large trumpet tube is movably connected to the air inlet, and the small opening of the small trumpet tube is movably connected to the air outlet;

[0007] The inner wall of the large opening of the large trumpet tube is provided with a fan rack in the shape of a letter "I", a fan is provided in the middle of the fan rack, one end of the large opening of the small trumpet tube gradually narrows to form a circular narrow opening for air outlet, and a one-way valve is provided at the circular narrow opening for air outlet of the small trumpet tube;

[0008] The narrow circular outlet of the small trumpet tube is movably connected to the mouth of the gas collecting bottle, and the mouth of the gas collecting bottle is also provided with a manual valve.

[0009] Preferably, it also includes a bottom plate, on which a first bracket, a second bracket and a plurality of pads are provided, the top of the first bracket is fixed to the lower surface of the large trumpet tube, the top of the second bracket is fixed to the lower surface of the filter box, and the pads are against the gas collecting bottle.

[0010] Preferably, the cushion block is wedge-shaped, there are multiple cushion blocks, which are symmetrically distributed on both sides of the bottom plate, and the gas collecting bottle is located between the multiple cushion blocks.

[0011] Preferably, the bottom plate is further provided with a plurality of through holes, and the plurality of through holes are symmetrically distributed on the bottom plate at equal intervals.

[0012] Preferably, the small opening of the large trumpet tube is threadedly connected or plug-in connected to the air inlet of the filter box, and the small opening of the small trumpet tube is threadedly connected or plug-in connected to the air outlet of the filter box.

[0013] Preferably, a pressure gauge connected to the interior of the gas collecting bottle is provided at the tail end of the gas collecting bottle.

[0014] Preferably, the narrow circular outlet opening of the small trumpet tube is connected to the mouth of the gas collecting bottle by plugging or threading.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] Use bolts to pass through the through holes to fix the entire device next to the photosensitive liquid coating device. During the photosensitive liquid coating process, the fan works to suck the organic waste gas generated by the photosensitive liquid coating into the large trumpet tube. The waste gas in the large trumpet tube passes through the filter box and the small trumpet tube in turn, and then enters the gas collecting bottle;

[0017] The filter box can absorb harmful gases in organic waste gas, and the remaining gases can be collected in a gas collecting bottle. The gas collection situation in the gas collecting bottle can be observed in real time through the barometer. When enough gas is collected, the gas collecting bottle is removed and the organic gas in the gas collecting bottle is further processed.

[0018] The whole device is easy to move and install, and can be conveniently placed next to the photosensitive coating equipment. It can absorb organic waste gas in real time and avoid the random emission of organic gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is a three-dimensional diagram of the utility model;

[0021] Figure 3 It is a three-dimensional diagram of the utility model.

[0022] In the figure: 1. bottom plate; 11. first bracket; 12. second bracket; 13. cushion block; 14. through hole; 2. large horn tube; 21. fan holder; 22. fan; 3. filter box; 31. air inlet; 32. air outlet; 4. small horn tube; 41. one-way valve; 5. gas collecting bottle; 51. manual valve. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] like Figure 1-3 As shown, a negative pressure gas collection device based on CTP sheet production includes a large trumpet tube 2, a filter box 3, a small trumpet tube 4 and a gas collecting bottle 5, one side of the filter box 3 is provided with an air inlet 31, and the other side is provided with an air outlet 32, the small opening of the large trumpet tube 2 is movably connected to the air inlet 31, and the small opening of the small trumpet tube 4 is movably connected to the air outlet 32, that is, the inside of the large trumpet tube 2, the filter box 3, the small trumpet tube 4 and the gas collecting bottle 5 are connected;

[0026] The inner wall of the large mouth of the large trumpet tube 2 is provided with a fan frame 21 in the shape of a letter "I", and a fan 22 is provided in the middle of the fan frame 21. One end of the large mouth of the small trumpet tube 4 gradually narrows to form a narrow circular mouth for air outlet, and a one-way valve 41 is provided at the narrow circular mouth for air outlet of the small trumpet tube 4. When the fan 22 is working, it can suck the external gas into the large trumpet tube 2, and the sucked gas passes through the filter box 3 and the small trumpet tube 4, and then enters the gas collecting bottle 5;

[0027] The one-way valve 41 can ensure that the organic gas in the small trumpet tube 4 enters the gas collecting bottle 5 and can prevent the gas flow in the gas collecting bottle 5 from flowing back.

[0028] The narrow circular outlet of the small trumpet tube 4 is movably connected to the mouth of the gas collecting bottle 5. The mouth of the gas collecting bottle 5 is also provided with a manual valve 51. When the gas collecting bottle 5 is removed from the small trumpet tube 4, the manual valve 51 is opened to discharge the gas in the gas collecting bottle 5.

[0029] It also includes a base plate 1, on which a first bracket 11, a second bracket 12 and a plurality of pads 13 are arranged. The top of the first bracket 11 is fixed to the lower surface of the large horn tube 2, the top of the second bracket 12 is fixed to the lower surface of the filter box 3, and the pads 13 are against the gas collecting bottle 5. The first bracket 11 supports the large horn tube 2, the second bracket 12 supports the filter box 3, and the plurality of pads 13 support the gas collecting bottle 5. The pads 13 can prevent the gas collecting bottle 5 from shaking.

[0030] The cushion block 13 is wedge-shaped. There are multiple cushion blocks 13 symmetrically distributed on both sides of the bottom plate 1 , and the gas collecting bottle 5 is located between the multiple cushion blocks 13 .

[0031] The bottom plate 1 is also provided with a plurality of through holes 14, which are symmetrically distributed at equal intervals on the bottom plate 1, so that the entire device can be fixed next to the photosensitive liquid coating device by passing bolts through the through holes 14.

[0032] The small opening of the large trumpet tube 2 is threadedly connected or plug-in-connected to the air inlet 31 of the filter box 3 , and the small opening of the small trumpet tube 4 is threadedly connected or plug-in-connected to the air outlet 32 ​​of the filter box 3 .

[0033] A pressure gauge connected to the inside of the gas collecting bottle 5 is provided at the tail end of the gas collecting bottle 5 , through which the amount of gas collected in the gas collecting bottle 5 can be observed.

[0034] The narrow gas outlet opening of the small trumpet tube 4 is connected to the mouth of the gas collecting bottle 5 by plugging or threading.

[0035] In summary, bolts are passed through the through holes 14 to fix the entire device next to the photosensitive liquid coating device. During the photosensitive liquid coating process, the fan 22 works to suck the organic waste gas generated by the photosensitive liquid coating into the large trumpet tube 2. The waste gas in the large trumpet tube 2 passes through the filter box 3 and the small trumpet tube 4 in sequence, and then enters the gas collecting bottle 5.

[0036] The filter box 3 can absorb harmful gases in the organic waste gas, and the remaining gases can be uniformly collected in the gas collecting bottle 5. The gas collection situation in the gas collecting bottle 5 can be observed in real time through the barometer. When enough gas is collected, the gas collecting bottle 5 is removed and the organic gas in the gas collecting bottle 5 is further processed.

[0037] The whole device is easy to move and install, and can be conveniently placed next to the photosensitive coating equipment. It can absorb organic waste gas in real time and avoid the random emission of organic gas.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A negative pressure gas collection device based on CTP sheet production, characterized in that: It comprises a large trumpet tube (2), a filter box (3), a small trumpet tube (4) and a gas collecting bottle (5); one side of the filter box (3) is provided with an air inlet (31) and the other side is provided with an air outlet (32); the small opening of the large trumpet tube (2) is movably connected to the air inlet (31), and the small opening of the small trumpet tube (4) is movably connected to the air outlet (32); The inner wall of the large opening of the large trumpet tube (2) is provided with a fan frame (21) in the shape of a letter "I", a fan (22) is provided in the middle of the fan frame (21), one end of the large opening of the small trumpet tube (4) gradually narrows to form a circular narrow opening for air outlet, and the circular narrow opening for air outlet of the small trumpet tube (4) is provided with a one-way valve (41); The narrow circular outlet of the small trumpet tube (4) is movably connected to the mouth of the gas collecting bottle (5), and the mouth of the gas collecting bottle (5) is also provided with a manual valve (51).

2. According to claim 1, a negative pressure gas collection device based on CTP sheet production is characterized in that: It also comprises a bottom plate (1), on which a first bracket (11), a second bracket (12) and a plurality of cushion blocks (13) are arranged, the top of the first bracket (11) being fixed to the lower surface of the large bell tube (2), the top of the second bracket (12) being fixed to the lower surface of the filter box (3), and the cushion blocks (13) being against the gas collecting bottle (5).

3. A negative pressure gas collection device based on CTP sheet production according to claim 2, characterized in that: The cushion block (13) is wedge-shaped, and there are a plurality of cushion blocks (13) symmetrically distributed on both sides of the bottom plate (1), and the gas collecting bottle (5) is located between the plurality of cushion blocks (13).

4. According to claim 2, a negative pressure gas collection device based on CTP sheet production is characterized in that: The bottom plate (1) is also provided with a plurality of through holes (14), and the plurality of through holes (14) are symmetrically distributed at equal intervals on the bottom plate (1).

5. According to claim 1, a negative pressure gas collection device based on CTP sheet production is characterized in that: The small opening of the large trumpet tube (2) is threadedly connected or plug-in-connected to the air inlet (31) of the filter box (3), and the small opening of the small trumpet tube (4) is threadedly connected or plug-in-connected to the air outlet (32) of the filter box (3).

6. The negative pressure gas collection device based on CTP sheet production according to claim 1, characterized in that: The tail of the gas collecting bottle (5) is provided with a pressure gauge connected to the interior of the gas collecting bottle (5).

7. The negative pressure gas collection device based on CTP sheet production according to claim 1, characterized in that: The narrow gas outlet opening of the small trumpet tube (4) is plug-in connected or threadedly connected to the mouth of the gas collecting bottle (5).

Images