Pollution discharge device convenient for replacing filter element

Abstract

The blowdown device comprises a machine body, a multi-head discharge pipeline, the filter element and a mounting seat, a negative pressure fan is embedded in the middle of the inner side of the machine body, the air outlet end of the negative pressure fan is communicated with an exhaust pipe, the air outlet end, away from the negative pressure fan, of the exhaust pipe is communicated with the multi-head discharge pipeline, and the multi-head discharge pipeline is communicated with the mounting seat. A filter element is embedded into the lower end of the inner side of the machine body, the outer wall of the machine body is sleeved with a clamping hoop in fastening connection, an air suction disc is embedded into the bottom of the lower end of the machine body, and a plurality of through holes are formed in the surface of the air suction disc. When the blowdown device with the filter element convenient to replace is used, the blowdown device serves as a device for discharging polluted air in a wood painting workshop, polystyrene macroporous adsorption resin is adopted as a methylbenzene adsorbent on the whole, methylbenzene volatilized by paint can be well adsorbed, the content of methylbenzene in air is reduced, and the pollution discharge effect is improved. And a good working environment is provided for employees of a wood factory.

Description

Technical Field

[0001] The utility model relates to the technical field of wood air purification and emission equipment, in particular to a sewage discharge device which is convenient for replacing a filter element. Background Art

[0002] Wood processing is mainly carried out by mechanical or chemical methods, and its products still retain the basic characteristics of wood. When painting wood, the volatile organic compounds in the paint contain benzene, toluene, xylene and other substances, which are carcinogenic and have a pungent odor. They are not only the culprits for inducing haze and ozone generation, but also have potential harm to human health. A sewage discharge device for processing polluted air can not only meet the company's air emission requirements, but also bring good economic efficiency to the company and meet the company's green production requirements.

[0003] The embodiment of the utility model relates to an air purification and filtering device for a wood processing workshop (CN211913039U), including a purification box and a mesh cover arranged in the purification box, the two sides of the purification box are respectively provided with an air inlet and an exhaust port and an exhaust assembly driving air from the air inlet to the exhaust port, the air inlet is also provided with an air inlet fan, and the air inlet end of the air inlet is provided with an air inlet cover, the connection between the air inlet cover and the air inlet is provided with a protective filter screen, and the bottom of the air inlet cover is provided with a slag collecting box for collecting large-particle wood chips, and the bottom of the air inlet cover is provided with a slag collecting port connected to the slag collecting box. The embodiment of the utility model can not only recycle large-particle wood chips, but also can filter waste chips and timely remove waste chips on the mesh cover while filtering waste chips, avoiding the filter holes on the surface of the mesh cover being blocked by waste chips, so as to achieve continuous operation and greatly improve work efficiency. However, during use, some polluted air that needs to be reprocessed and air that does not need to be reprocessed are simultaneously introduced into more advanced air purification workshops through the air delivery pipes of each workshop, resulting in increased energy consumption of the enterprise and causing certain energy waste to the enterprise.

[0004] For this reason, we propose a sewage discharge device which is convenient for replacing the filter element. Utility Model Content

[0005] The purpose of the utility model is to provide a sewage discharge device which is convenient for replacing a filter element, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sewage discharge device which is easy to replace the filter element, comprising a body, a multi-head discharge pipe, a filter element and a mounting seat, a negative pressure fan is embedded in the inner middle part of the body, and the air outlet end of the negative pressure fan is connected to an exhaust pipe, and the exhaust pipe is connected to the multi-head discharge pipe away from the air outlet end of the negative pressure fan, a filter element is embedded in the inner lower end of the body, a clamp for fastening is sleeved on the outer wall of the body, and an air suction disk is embedded in the lower bottom of the body, a plurality of through holes are opened on the surface of the air suction disk, and a bottom support is opened at the center of the middle circle of the air suction disk, the size of the bottom support is consistent with the size of the filter element, and a sealing ring for sealing protection is attached to the inner wall side of the upper end of the air suction disk.

[0007] Furthermore, the upper end of the filter element is connected to the air inlet of the negative pressure fan, and the interior of the filter element is filled with a polystyrene macroporous adsorption resin layer with the function of adsorbing toluene.

[0008] Furthermore, the multi-head discharge pipeline is provided with a plurality of branch pipelines, the plurality of branch pipelines are connected together and fixed on a mounting seat, and the plurality of branch pipelines are all controlled by electromagnetic valves.

[0009] Furthermore, a flange is welded at the connection between the multi-head discharge pipe and the connecting pipe, and the multi-head discharge pipe and the connecting pipe are detachably connected by a flange.

[0010] Furthermore, the air suction disc is interference-connected with the machine body via a sealing ring, and a clamp is sleeved on the upper outer wall of the air suction disc.

[0011] Furthermore, the machine body is embedded in the upper end of the wood painting workshop.

[0012] Compared with the prior art, the utility model has the following beneficial effects: when the sewage discharge device which is convenient for replacing the filter element is used, the sewage discharge device is used as a polluted air discharge device in a wood painting workshop. The overall use of polystyrene macroporous adsorption resin is used as a toluene adsorbent, which can well adsorb the toluene volatilized from the paint, reduce the toluene content in the air, and provide a good working environment for the employees of the wood factory.

[0013] As a polluted air emission device, the multi-head exhaust duct can accurately transport the purified polluted gas to the designated area, bringing convenience to the enterprise and facilitating the operation of users. According to the different paints, the pollution source can be allocated to more advanced purification equipment to ensure that the exhaust gas meets the emission standards. It also reduces the need for air reprocessing in some workshops that use environmentally friendly coatings and adhesives, reduces the energy consumption of the enterprise's air purification equipment, improves the enterprise's energy allocation rate, and brings good economic benefits to the enterprise.

[0014] The suction plate serves as a supporting component of the filter element and adopts a quick-release connection method. The suction plate uses a clamp as a connecting part and a sealing ring as a sealing component, which can ensure that the suction plate and the machine body are firmly installed together. At the same time, the size of the base support at the suction plate is consistent with the size of the filter element, ensuring that the filter element can be well embedded in the suction plate to meet the needs of negative pressure suction processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the separate structure of the machine body and the air suction disc of the utility model;

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the enlarged structure of the multi-head discharge pipeline of the utility model.

[0018] In the figure: 1, machine body; 11, clamp; 2, negative pressure fan; 3, exhaust pipe; 4, multi-head exhaust pipe; 41, flange; 42, mounting seat; 5, filter element; 51, polystyrene macroporous adsorption resin layer; 6, suction plate; 61, sealing ring; 62, through hole; 63, bottom bracket; 31, connecting pipe. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3The utility model provides a technical solution: a sewage discharge device that is easy to replace the filter element, including a body 1, a multi-head discharge pipe 4, a filter element 5 and a mounting seat 42, a negative pressure fan 2 is embedded in the middle of the inner side of the body 1, and the air outlet end of the negative pressure fan 2 is connected with an exhaust pipe 3, and the exhaust pipe 3 is connected to the multi-head discharge pipe 4 away from the air outlet end of the negative pressure fan 2, and the filter element 5 is embedded in the lower end of the inner side of the body 1, and the outer wall of the body 1 is sleeved with a clamp 11 for fastening connection, and an air suction disk 6 is embedded in the bottom of the lower end of the body 1, and a plurality of through holes 62 are opened on the surface of the air suction disk 6, and a bottom support 63 is opened at the center of the middle part of the air suction disk 6, and the bottom The size of the support 63 is consistent with that of the filter element 5. A sealing ring 61 for sealing protection is attached to the inner wall side of the upper end of the air suction disk 6. The body 1 is embedded in the upper end of the wood painting workshop. The upper end of the filter element 5 is connected to the air inlet of the negative pressure fan 2, and the interior of the filter element 5 is filled with a polystyrene macroporous adsorption resin layer 51 with the function of adsorbing toluene. The sewage discharge device serves as a polluted air discharge device in the wood painting workshop. The polystyrene macroporous adsorption resin is used as a toluene adsorbent as a whole. It can adsorb the toluene volatilized from the paint well, reduce the toluene content in the air, and provide a good working environment for the employees of the wood factory.

[0021] The multi-head exhaust pipe 4 is provided with a plurality of branch pipes, and the plurality of branch pipes are connected together and fixed on a mounting seat 42, and the plurality of branch pipes are all controlled by electromagnetic valves. A flange 41 is welded at the connection between the multi-head exhaust pipe 4 and the connecting pipe 31, and the multi-head exhaust pipe 4 and the connecting pipe 31 are detachably connected by a flange. The multi-head exhaust pipe 4 is used as an exhaust device for polluted air. In the exhaust of polluted gas, since the plurality of branch pipes are all controlled by electromagnetic valves, the purified polluted gas can be accurately transported to a designated area, which brings convenience to the enterprise and is convenient for users to operate. According to the different paints, the pollution source can be allocated to a more advanced purification equipment to ensure that the exhaust gas meets the emission standards, and also reduces the demand for air reprocessing in some workshops using environmentally friendly coatings and adhesives, reduces the energy consumption of the enterprise's air purification equipment, improves the enterprise's energy allocation rate, and brings good economic benefits to the enterprise.

[0022] The suction disc 6 is interference-connected with the body 1 through the sealing ring 61, and the clamp 11 is sleeved on the upper outer wall of the suction disc 6. The suction disc 6 serves as a holding component of the filter element 5 and adopts a quick-release connection method. The suction disc 6 uses the clamp 11 as a connecting piece and the sealing ring 61 as a sealing component, which can ensure that the suction disc 6 and the body 1 are firmly installed together. At the same time, the size of the base 63 at the suction disc 6 is consistent with the size of the filter element 5, ensuring that the filter element 5 can be well embedded in the suction disc 6 to meet the needs of negative pressure suction processing.

[0023] Working principle: For this type of sewage discharge device that is easy to replace the filter element, first embed the body 1 into the upper end of the wood painting workshop, start the negative pressure fan 2, and the suction end of the negative pressure fan 2 is in a negative pressure state. The polluted air flows into the suction plate 6 from the through hole 62, passes through the filter element 5, and the polystyrene macroporous adsorption resin layer 51 in the filter element 5 adsorbs toluene. The processed gas flows from the exhaust pipe 3 to the connecting pipe 31, and then is distributed through the multi-head exhaust pipe 4 to discharge the exhaust air to the outdoors. Some air that fails to meet the emission standards can be controlled by the electromagnetic valve to direct the polluted air to more advanced air processing equipment. Finally, when the user needs to perform maintenance, the screws on the clamp 11 can be loosened and downward force can be applied to separate the suction plate 6 from the body 1, and a new filter element 5 can be replaced.

Claims

1. A sewage discharge device for facilitating replacement of a filter element, comprising a body (1), a multi-head discharge pipe (4), a filter element (5) and a mounting seat (42), characterized in that: A negative pressure fan (2) is embedded in the middle of the inner side of the machine body (1), and the air outlet end of the negative pressure fan (2) is connected to an exhaust pipe (3), and the exhaust pipe (3) is connected to a multi-head exhaust pipe (4) away from the air outlet end of the negative pressure fan (2). A filter element (5) is embedded in the lower end of the inner side of the machine body (1), and a clamp (11) is sleeved on the outer wall of the machine body (1) for fastening connection, and an air suction plate (6) is embedded in the bottom of the lower end of the machine body (1), and a plurality of through holes (62) are provided on the surface of the air suction plate (6), and a bottom support (63) is provided at the center of the middle circle of the air suction plate (6), and the size of the bottom support (63) is consistent with the size of the filter element (5), and a sealing ring (61) for sealing protection is attached to the inner wall side of the upper end of the air suction plate (6).

2. A sewage discharge device for easy replacement of filter elements according to claim 1, characterized in that: The upper end of the filter element (5) is in communication with the air inlet of the negative pressure fan (2), and the interior of the filter element (5) is filled with a polystyrene macroporous adsorption resin layer (51) having the function of adsorbing toluene.

3. A sewage discharge device for easy replacement of filter elements according to claim 1, characterized in that: The multi-head discharge pipeline (4) is provided with a plurality of branch pipelines, the plurality of branch pipelines are connected together and fixed on a mounting seat (42), and the plurality of branch pipelines are all controlled by electromagnetic valves.

4. A sewage discharge device for easy replacement of filter elements according to claim 3, characterized in that: A flange (41) is welded at the connection point between the multi-head discharge pipe (4) and the connecting pipe (31), and the multi-head discharge pipe (4) and the connecting pipe (31) are detachably connected by a flange.

5. A sewage discharge device for easy replacement of filter elements according to claim 1, characterized in that: The air suction disc (6) is interference-connected with the machine body (1) via a sealing ring (61), and a clamp (11) is sleeved on the upper outer wall of the air suction disc (6).

6. A sewage discharge device for easy replacement of filter elements according to claim 1, characterized in that: The machine body (1) is embedded in the upper end of a wood painting workshop.

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