Exhaust device of volatile chemical storage cabinet

Abstract

The utility model relates to an exhaust device of volatile chemical storage cabinets, which is characterized by comprising a plurality of volatile chemical storage cabinets attached to the indoor wall surface and exhaust branch pipes connected to the top surfaces of the volatile chemical storage cabinets, and the output ends of the exhaust branch pipes are connected with an exhaust header pipe through a three-way pipe. The air exhaust header pipe penetrates out of the wall body, and an air exhaust fan is connected to the position, close to the indoor wall face, of the air exhaust header pipe in series. After volatile chemicals are placed in the storage cabinet, the cabinet door is closed, the exhaust fan is started at intervals to work, and the volatile chemicals are discharged outdoors through the exhaust branch pipe, the exhaust header pipe and the exhaust fan. Due to the fact that the cabinet bodies are connected with the exhaust branch pipes through the exhaust main pipe, mutual flowing of chemical volatile products between the cabinet bodies connected in series is avoided, and it is guaranteed that the quality cannot be affected by the flowing chemical volatile products.

Description

TECHNICAL FIELD

[0001] The utility model relates to the exhaust field of storage cabinet, especially to the exhaust device of volatile chemical storage cabinet. BACKGROUND

[0002] The volatile chemical storage cabinet is used for storing volatile chemicals, and the volatile chemicals will volatilize in the cabinet body. If the volatile chemicals are not discharged in time, it will affect the health of the users.

[0003] At present, the exhaust of the volatile chemical storage cabinet is usually that a plurality of storage cabinets are sequentially opened on the side wall and connected in series through the pipeline, and then the pipeline of the last storage cabinet is discharged. Such design is easy to cause the volatile chemicals to flow between different cabinet bodies, and the flowing chemicals may produce chemical reactions, thereby easily affecting the quality of the chemicals.

[0004] At present, the searched Chinese patent "Program-controlled digital switch storage cabinet with circulating air flow heat dissipation" (publication number CN205266100U) specifically relates to a program-controlled digital switch storage cabinet with circulating air flow heat dissipation. The patent is to solve the problem that the temperature in the existing cabinet for storing program-controlled digital switches is high, which easily causes fire and economic loss. However, it cannot overcome the problem of volatile chemicals flowing between different cabinet bodies, affecting the quality of the chemicals. SUMMARY

[0005] In view of the above shortcomings of the prior art, the purpose of the utility model is to provide an exhaust device for a volatile chemical storage cabinet.

[0006] The exhaust device for the volatile chemical storage cabinet of the utility model is characterized by comprising a plurality of volatile chemical storage cabinets arranged against the indoor wall surface and an exhaust branch pipe connected to the top surface of the volatile chemical storage cabinet. The output end of the exhaust branch pipe is connected to an exhaust main pipe through a tee pipe. The exhaust main pipe penetrates the wall body, and a ventilation fan is connected in series to the exhaust main pipe near the indoor wall surface.

[0007] Preferably, the exhaust branch pipe is a straight pipe, the first end of the exhaust branch pipe is sealingly connected to the top surface of the volatile chemical storage cabinet, the second end of the exhaust branch pipe is sealingly connected to the first end of the tee pipe, and the second and third ends of the tee pipe are sealingly connected to the exhaust main pipe, respectively.

[0008] Preferably, a on-off valve is connected in series to the exhaust branch pipe.

[0009] Preferably, the volatile chemical storage cabinet comprises a cabinet body in the shape of a cuboid, two side wall plates arranged in the cabinet body, and a plurality of layer plates arranged between the two side wall plates, the two side wall plates and the uppermost layer plate are hollow plates with hollow channels, the inner wall surface and the upper wall surface of the two side wall plates are provided with air holes, the air holes on the inner wall surface of the two side wall plates are communicated with the space between the layer plates in the cabinet body, the air holes on the upper wall surface of the two side wall plates are communicated with the air holes of the bottom plate of the uppermost layer plate, and the first end of the exhaust branch pipe is communicated with the air holes of the top plate of the uppermost layer plate.

[0010] Preferably, a sealing rubber layer is arranged between the upper wall surface of the two side wall plates and the bottom plate of the uppermost layer plate, and a through hole is arranged on the sealing rubber layer opposite to the position of the air holes and the air holes.

[0011] The working method of the exhaust device of the volatile chemical storage cabinet is that after the volatile chemicals are put into the storage cabinet, the cabinet door is closed, the exhaust fan is started intermittently, and the volatilized chemicals are discharged outdoors through the exhaust branch pipe, the exhaust main pipe and the exhaust fan.

[0012] Since each cabinet body is connected with the exhaust branch pipe through the exhaust main pipe, the mutual flow of the chemical volatilization products between the series-connected cabinet bodies is avoided, and the quality is ensured not to be affected by the flow of the chemical volatilization products. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic diagram of the utility model;

[0014] Figure 2 is a front view structural schematic diagram of the volatile chemical storage cabinet;

[0015] Figure 3 is a partial sectional view structural schematic diagram of the volatile chemical storage cabinet and the exhaust branch pipe;

[0016] Figure 4 is a front view structural schematic diagram of the two side wall plates. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings herein can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based upon the embodiments of the present application, all other embodiments that would be obtained by one of ordinary skill in the art without having to make any inventive step are within the scope of the present application.

[0019] It should be noted that like reference numerals and letters refer to like items in the drawings, and thus once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

[0020] In the description of the present application, it should be noted that unless specifically defined and limited, the terms "set", "mount", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0022] The exhaust device of the volatile chemical storage cabinet comprises a plurality of volatile chemical storage cabinets 1 arranged against the indoor wall surface and an exhaust branch pipe 2 connected to the top surface of the volatile chemical storage cabinet 1.

[0023] The volatile chemical storage cabinet 1 comprises a cabinet body in the shape of a cuboid, two side wall plates 7 arranged in the cabinet body, and a plurality of layer plates 8 arranged between the two side wall plates. The two side wall plates 7 and the uppermost layer plate are hollow plates with hollow channels 13, which are composed of a framework 703 and a stainless steel plate attached to the framework. The framework can be a square steel. Each hollow plate has two to three vertical square steels in parallel and a horizontal steel 704 (also a square steel) connected between two adjacent square steels. The cross-sectional dimension of the horizontal steel is smaller than that of the vertical square steel. The stainless steel plate is fixed to the surface of the vertical square steel.

[0024] The inner wall surface 701 (i.e. the inner stainless steel plate) and the upper wall surface 702 (i.e. the upper end stainless steel plate) of the two side wall plates 7 are provided with air holes 9. The air holes on the inner wall surface 701 of the two side wall plates are in communication with the space between the upper and lower adjacent layer plates in the cabinet body. The air holes on the upper wall surface 702 of the two side wall plates are in communication with the air holes 10 of the bottom plate of the uppermost layer plate. The first end of the exhaust branch pipe is in communication with the air holes of the top plate of the uppermost layer plate.

[0025] The output end of the exhaust branch pipe 2 is connected with an exhaust main pipe 4 through a tee pipe 3, and the exhaust main pipe 4 penetrates through the wall, and an exhaust fan 5 is connected in series on the exhaust main pipe close to the indoor wall surface.

[0026] When the exhaust fan 5 works, the volatile chemicals in the storage cabinet pass through the air holes 9 on the inner wall surface 701, the hollow passages 13 of the two side wall plates 7, the air holes 10 of the bottom plate of the uppermost layer plate, the hollow passages of the uppermost layer plate, the air holes of the top plate of the uppermost layer plate and the exhaust branch pipe 2 in sequence.

[0027] The air flow channel makes the volatile chemicals placed in the same cabinet not easy to flow and affect the quality of the chemicals.

[0028] The exhaust branch pipe 2 is a straight pipe, the first end of the exhaust branch pipe 2 is connected with the top surface of the volatile chemical storage cabinet in a sealing manner, the second end of the exhaust branch pipe 2 is connected with the first end of the tee pipe 3 in a sealing manner, and the second end and the third end of the tee pipe 3 are connected with the exhaust main pipe 4 in a sealing manner.

[0029] Since the cabinet bodies are connected with the exhaust branch pipe through the exhaust main pipe, the mutual flow of the volatile chemicals between the cabinets in series is avoided, and the quality is ensured not to be affected by the flow of the volatile chemicals.

[0030] In order to be reasonable in design, the on-off valve 6 is connected in series on the exhaust branch pipe, the on-off valve 6 can be an electric control valve or a manual valve, and the cabinet body for placing the volatile chemicals is selected to be exhausted by opening and closing the on-off valve 6.

[0031] In order to be reasonable in design, the upper wall surface 702 of the two side wall plates and the bottom plate of the uppermost layer plate are provided with a sealing rubber layer 11, and the through hole 12 is arranged on the sealing rubber layer 11 opposite to the air holes and the air holes, and the volatile chemicals can be prevented from overflowing from the gap between the two plates through the sealing rubber layer 11.

[0032] The preferred embodiments of the utility model are described above only, and are not used for limiting the utility model, and the utility model can have various changes and variations for the person skilled in the art. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model.

Claims

1. An exhaust device for a volatile chemical storage cabinet, characterized by: The volatile chemical storage cabinet is arranged against the indoor wall, and the exhaust branch pipe is connected to the top surface of the volatile chemical storage cabinet. The output end of the exhaust branch pipe is connected to the exhaust main pipe through a tee pipe. The exhaust main pipe penetrates the wall, and an exhaust fan is connected in series to the exhaust main pipe near the indoor wall.

2. The volatile chemical storage cabinet exhaust of claim 1, wherein: The exhaust branch pipe is a straight pipe. The first end of the exhaust branch pipe is connected to the top surface of the volatile chemical storage cabinet in a sealed manner. The second end of the exhaust branch pipe is connected to the first end of the tee pipe in a sealed manner. The second end and the third end of the tee pipe are connected to the exhaust main pipe in a sealed manner.

3. The volatile chemical storage cabinet exhaust of claim 1, wherein: A valve is connected in series to the exhaust branch pipe.

4. The volatile chemical storage cabinet exhaust of claim 1, wherein: The volatile chemical storage cabinet comprises a cabinet body in the shape of a cuboid, two side wall plates arranged in the cabinet body, and a plurality of layer plates arranged between the two side wall plates. The two side wall plates and the uppermost layer plate are hollow plates with hollow channels. Ventilation holes are arranged on the inner wall surface and the upper wall surface of the two side wall plates. The ventilation holes on the inner wall surface of the two side wall plates are connected to the space between the layer plates in the cabinet body. The ventilation holes on the upper wall surface of the two side wall plates are connected to the air holes of the bottom plate of the uppermost layer plate. The first end of the exhaust branch pipe is connected to the air holes of the top plate of the uppermost layer plate.

5. The volatile chemical storage cabinet exhaust of claim 4, wherein: A sealing rubber layer is arranged between the upper wall surface of the two side wall plates and the bottom plate of the uppermost layer plate. A through hole is arranged on the sealing rubber layer opposite to the ventilation holes and the air holes.

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