Multi-stage waste gas purification equipment

Abstract

The utility model provides multi-stage waste gas purification equipment, which comprises a condensing device, a first gas outlet and a second gas outlet, the adsorption device comprises a first box body and an activated carbon adsorption structure, the first box body is provided with a second air inlet and a second air outlet which are communicated, the second air inlet is communicated with the first air outlet, the first box body is provided with a liquid cooling device, and the activated carbon adsorption structure comprises a heat conduction shell and activated carbon contained in the heat conduction shell; and the liquid cooling device is in contact with the heat conduction shell to cool the activated carbon. According to the multi-stage waste gas purification equipment provided by the invention, the activated carbon adsorption structure in the adsorption device can perform adsorption treatment on the residual waste gas subjected to condensation treatment, so that multi-stage purification treatment on the waste gas is realized, the content of organic waste gas in the residual waste gas is reduced, and the purification effect of the multi-stage waste gas purification equipment is improved; meanwhile, the liquid cooling device in the adsorption device can cool the activated carbon, so that the adsorption effect of the activated carbon is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to textile coating machine technical field, concretely relates to a multistage waste gas purification equipment. BACKGROUND

[0002] Most of the existing coating fabrics are prepared by textile coating machines, and organic waste gas is formed in the oven of the textile coating machine during the production of the coating fabric. The waste gas purification device in the textile coating machine purifies the organic waste gas to avoid direct discharge of the organic waste gas to pollute the environment.

[0003] The existing waste gas purification device purifies the organic waste gas in the following process: heat exchange and condensation treatment are sequentially performed, the condensed liquid is collected in the storage tank after condensation treatment, and the residual waste gas is directly discharged into the air. However, the above-mentioned waste gas purification device has a single purification mode for organic waste gas and the purification effect needs to be improved. UTILITY MODEL CONTENT

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a multistage waste gas purification equipment.

[0005] The present application provides a multistage waste gas purification equipment, comprising:

[0006] The condensing device has a first gas outlet;

[0007] The adsorption device includes a first tank and an activated carbon adsorption structure. The first tank has a second gas inlet and a second gas outlet in communication. The second gas inlet is in communication with the first gas outlet. The first tank is provided with a liquid cooling device. The activated carbon adsorption structure includes a heat-conducting shell and activated carbon accommodated in the heat-conducting shell. The liquid cooling device is in contact with the heat-conducting shell to cool the activated carbon.

[0008] Further, the heat-conducting shell includes two first heat-conducting members arranged at intervals and a ring-shaped connecting member. The first heat-conducting member includes a heat-conducting frame and a breathable mesh. The heat-conducting frame has an opening, and the breathable mesh is arranged in the opening. The two heat-conducting frames are fixedly connected by the ring-shaped connecting member. The two first heat-conducting members and the connecting member collectively form a cavity for accommodating the activated carbon.

[0009] Further, the cavity is provided with a second heat-conducting member. The second heat-conducting member is in contact with at least one heat-conducting frame. The second heat-conducting member is a heat-conducting rope or a heat-conducting wire.

[0010] Further, the number of the second heat-conducting members is several.

[0011] Further, the materials of the breathable mesh and the second heat-conducting member are both heat-conducting metals.

[0012] Further, the first box is formed with an exhaust passage, the liquid cooling device comprises a mounting ring and a first cooling machine, the mounting ring is arranged in the exhaust passage, the activated carbon adsorption structure is arranged in the mounting ring and in contact with the mounting ring, the mounting ring is provided with an annular flow guide cavity for accommodating the cooling liquid, and the first cooling machine is in communication with the annular flow guide cavity to drive the cooling liquid to flow in the flow guide cavity in a circulating manner.

[0013] The multi-stage waste gas purification device provided by the application can realize multi-stage purification of waste gas, reduce the content of organic waste gas in residual waste gas, improve the purification effect of the multi-stage waste gas purification device, and ensure the adsorption effect of activated carbon through the liquid cooling device in the adsorption device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Other features, objects and advantages of the application will become more apparent from the following detailed description of non-limiting embodiments, made with reference to the attached drawings:

[0015] Fig. 1 A structural schematic diagram of the multi-stage waste gas purification device provided by the embodiment of the application is shown in the figure.

[0016] Fig. 2 A structural schematic diagram of the adsorption device provided by the embodiment of the application is shown in the figure. DETAILED DESCRIPTION

[0017] The application will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and are not a limitation on the utility model. In addition, it should be noted that, for the convenience of description, only the parts related to the utility model are shown in the drawings.

[0018] The embodiment of the application provides a multi-stage waste gas purification device, which is used in a textile coating machine to purify waste gas discharged from an oven in the textile coating machine, and the waste gas can be directly discharged into the air after purification.

[0019] Please refer to the accompanying Figs. 1-2The multi-stage exhaust gas purification device includes a condensing device 100 having a first gas inlet and a first gas outlet, the exhaust gas enters the condensing device 100 through the first gas inlet, and the condensing device 100 condenses the exhaust gas to form a condensate of most of the organic exhaust gas in the exhaust gas, and the residual exhaust gas after the condensation treatment is discharged through the first gas outlet. The multi-stage exhaust gas purification device further includes an adsorption device 200, the adsorption device 200 includes a first box body 210 and an activated carbon adsorption structure 220, the first box body 210 has a second gas inlet and a second gas outlet in communication, the second gas inlet is in communication with the first gas outlet, and the activated carbon adsorption structure 220 is arranged in the first box body 210. The residual exhaust gas enters the first box body 210 through the second gas inlet and is discharged into the external air through the second gas outlet after being adsorbed by the activated carbon adsorption structure 220. The residual exhaust gas is further purified by the activated carbon adsorption structure 220, thereby realizing multi-stage purification of the exhaust gas. The activated carbon adsorption structure 220 includes a heat-conducting shell and activated carbon 222, the activated carbon 222 has a good adsorption effect on the organic exhaust gas in the exhaust gas, and the heat-conducting shell forms a containing cavity, and the activated carbon 222 is contained in the containing cavity. The residual exhaust gas has a certain temperature and the temperature rises when the activated carbon 222 adsorbs the organic exhaust gas, and the first box body 210 is provided with a liquid cooling device 230, the liquid cooling device 230 is in contact with the heat-conducting shell to cool the activated carbon 222, thereby keeping the activated carbon 222 in a good adsorption state. It should be understood that, due to the small amount of organic exhaust gas in the residual exhaust gas and the effect of the liquid cooling device 230, the effective service life of the activated carbon 222 is longer.

[0020] The condensing device 100 includes a second box body 110, a second cooling machine 130, and a condensing pipe 120 arranged in the second box body 110. The liquid inlet of the condensing pipe 120 is in communication with the liquid outlet of the second cooling machine 130 through a pipeline, and the liquid outlet of the condensing pipe 120 is in communication with the liquid inlet of the second cooling machine 130 through a pipeline. The second cooling machine 130 is located outside the second box body 110 and is installed at a set installation position, such as the ground or a mounting seat.

[0021] In some embodiments of the present application, the heat-conducting shell includes two first heat-conducting members arranged at intervals and a ring-shaped connecting member. The first heat-conducting member includes a heat-conducting frame 2211 and a breathable mesh 2212, the heat-conducting frame 2211 is provided with an opening, and the breathable mesh 2212 is arranged in the opening. The two heat-conducting frames 2211 are fixedly connected through the ring-shaped connecting member, and the two first heat-conducting members and the connecting member collectively enclose the containing cavity.

[0022] Preferably, the heat-conducting frame 2211 is cuboid, and the connecting member is a connecting plate 2213 fixedly connected with the heat-conducting frame 2211. The connecting plate 2213 comprises a first plate segment on one side of the accommodating cavity, and the first plate segment is rotatably connected with other parts of the connecting plate 2213 to enable the accommodating cavity to be opened or closed, thereby facilitating replacement of the activated carbon 222.

[0023] Preferably, the second heat-conducting member 240 is in contact with at least one heat-conducting frame 2211, and the second heat-conducting member 240 is a heat-conducting wire or a heat-conducting rope. Preferably, two ends of the second heat-conducting member 240 are connected with two heat-conducting frames 2211, respectively. The number of the second heat-conducting member 240 can be one or more, and the cooling effect can be increased when the number of the second heat-conducting member 240 is more than one.

[0024] Preferably, the heat-conducting metal can be copper or iron.

[0025] Preferably, the activated carbon adsorption structure 220 can be multiple, and the multiple activated carbon adsorption structures 220 are arranged along the exhaust direction at intervals to increase the purification effect.

[0026] Preferably, the first box body 210 can be of a split structure and comprises a first box segment and a second box segment, and the first box segment and the second box segment are screwed together to facilitate assembly of the activated carbon adsorption structure 220 and the liquid cooling device 230.

[0027] In some embodiments of the present application, the first box body 210 is formed with an exhaust passage, and the liquid cooling device 230 comprises a mounting ring 232 and a first cooling machine 231. The mounting ring 232 is arranged in the exhaust passage, and the activated carbon adsorption structure 220 is arranged in the mounting ring 232 and in contact with the mounting ring 232. The mounting ring 232 is provided with an annular flow guide cavity 2321 for accommodating cooling liquid, and the annular flow guide cavity 2321 is provided with an inlet and an outlet. The outlet of the first cooling machine 231 is in communication with the inlet of the annular flow guide cavity 2321 through a pipeline, and the inlet of the first cooling machine 231 is in communication with the outlet of the annular flow guide cavity 2321 through a pipeline. The first cooling machine 231 is located outside the first box body 210 and is installed at a designated mounting position, such as the ground or a mounting seat.

[0028] It should be understood that the above-mentioned terms "center", "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0029] The above description is only the preferred embodiment of the present application and the explanation of the technical principles applied. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solutions formed by the specific combination of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the technical solutions formed by mutually replacing the above-mentioned features and the technical features disclosed in the present application (but not limited to) with similar functions.

Claims

1. A multi-stage exhaust gas purification apparatus characterized by comprising: The application relates to a condensing device and an adsorbing device. The condensing device has a first air outlet. The adsorbing device comprises a first box body and an activated carbon adsorption structure, the first box body has a second air inlet and a second air outlet in communication, the second air inlet is communicated with the first air outlet, the first box body is provided with a liquid cooling device, the activated carbon adsorption structure comprises a heat-conducting shell and activated carbon accommodated in the heat-conducting shell, the liquid cooling device is in contact with the heat-conducting shell to cool the activated carbon, the heat-conducting shell comprises two first heat-conducting members arranged at intervals and a connecting member in the form of a ring, the first heat-conducting member comprises a heat-conducting frame and a gas-permeable net, the heat-conducting frame is provided with an opening and the gas-permeable net is arranged on the opening, the two heat-conducting frames are fixedly connected through the connecting member in the form of a ring, and the two first heat-conducting members and the connecting member jointly form a containing cavity for containing the activated carbon.

2. The multi-stage exhaust purification apparatus according to claim 1, characterized by The containing cavity is provided with a second heat-conducting member in contact with at least one of the heat-conducting frames, and the second heat-conducting member is in the form of a heat-conducting rope or a heat-conducting wire.

3. The multi-stage exhaust purification apparatus according to claim 2, characterized by The number of the second heat-conducting members is several.

4. The multi-stage exhaust purification apparatus according to claim 2, characterized by The gas-permeable net and the second heat-conducting member are made of heat-conducting metal.

5. The multi-stage exhaust purification apparatus according to any one of claims 1 to 4, characterized by The first box body forms an exhaust passage, the liquid cooling device comprises a mounting ring and a first cooling machine, the mounting ring is arranged in the exhaust passage, the activated carbon adsorption structure is arranged in the mounting ring and is in contact with the mounting ring, the mounting ring is provided with a ring-shaped flow guide cavity for containing cooling liquid, and the first cooling machine is communicated with the ring-shaped flow guide cavity to drive the cooling liquid to circularly flow in the flow guide cavity.

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