Voc waste gas treatment device for printing

Abstract

The utility model belongs to the technical field of printing waste gas treatment, and particularly relates to a voc waste gas treatment device for printing, which comprises a treatment box serving as a treatment cavity, a negative pressure pump mounted on the outer side of the treatment box, a gas suction component connected onto the treatment box and a gas suction pump mounted on the front side of the treatment box, and an output port of the gas suction pump is communicated with the treatment box. The input port of the getter pump is communicated with a connecting pipe, the end part of the connecting pipe is communicated with a corrugated pipe, the outer side of the corrugated pipe is connected with a plurality of groups of branch pipes and a pretreatment component, and the pretreatment component is arranged in the treatment box and is used for filtering and deinsectizing waste gas input by the getter component; the corrugated pipe and the branch pipes are combined, the length of the corrugated pipe is changed, the branch pipes are in butt joint with an external fan cover, then large-area voc waste gas treatment is adapted, the negative pressure pump is matched with the air suction pump, double air inlet negative pressure actions are formed, and waste gas input power is effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of printing waste gas treatment, and particularly relates to a VOC waste gas treatment device for printing. Background Technique

[0002] Since the invention of printing technology in ancient China, printing technology has gradually penetrated into production and life, and has gradually grown and developed to form a large industry. China's printing industry has a long history, with many internal sub-sectors, covering the publishing industry, packaging industry, paper product industry, plastics industry, electronics industry, etc. Its products are used in major fields of national economic life. In the printing industry, due to the need to use a large amount of ink and paper and process them, a large amount of VOC waste gas in the printing industry is generated, so waste gas treatment devices are required;

[0003] Existing waste gas treatment devices usually can only treat waste gas within a certain range, resulting in some waste gas not being treated and accumulating in the working environment, posing certain potential safety hazards. Content of the Utility Model

[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Simplifications or omissions may be made in this part, as well as in the abstract and title of the specification of this application, to avoid obscuring the purpose of this part, the abstract, and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the utility model.

[0005] Therefore, the purpose of the utility model is to provide a VOC waste gas treatment device for printing. The suction pump is used as the power for waste gas input, and the negative pressure acts on each branch pipe through the corrugated pipe, ensuring multi-directional input of waste gas. The combination of the corrugated pipe and the branch pipe adapts to the treatment of a large area of VOC waste gas by changing the length of the corrugated pipe and docking the branch pipe with the external air hood. Moreover, the negative pressure pump cooperates with the suction pump to form a double-inlet negative pressure action, effectively ensuring the power for waste gas input.

[0006] To solve the above technical problems, according to one aspect of the utility model, the following technical solutions are provided:

[0007] A VOC waste gas treatment device for printing, comprising:

[0008] A treatment box serving as a treatment chamber, with a negative pressure pump installed outside the treatment box;

[0009] A suction component, connected to the treatment box, including a suction pump installed on the front side of the treatment box. The output port of the suction pump is communicated with the treatment box, the input port of the suction pump is communicated with a connecting pipe, the end of the connecting pipe is communicated with a corrugated pipe, and multiple groups of branch pipes are connected to the outside of the corrugated pipe;

[0010] The pretreatment component is placed inside the processing box and filters and removes harmful substances from the waste gas input by the air suction component.

[0011] As a preferred scheme of a printing VOC waste gas treatment device described in the present utility model, among them: multiple groups of the branch pipes are linearly arranged at equal intervals from left to right along the outer side of the corrugated pipe, and the end of the branch pipe is connected with a connecting cylinder adapted to the external air hood.

[0012] As a preferred scheme of a printing VOC waste gas treatment device described in the present utility model, among them: the pretreatment component includes a support plate connected to the inner side of the processing box and separating the processing box. The support plate is embedded with a carbon dioxide adsorption plate and a filter mesh plate, and the filter mesh plate is arranged on the side close to the output port of the air suction pump.

[0013] As a preferred scheme of a printing VOC waste gas treatment device described in the present utility model, among them: the pretreatment component further includes a connecting frame connected to the top of the processing box. Multiple groups of photocatalytic lamp tubes are connected to the connecting frame, and the illumination ends of the photocatalytic lamp tubes are arranged corresponding to the inner side of the processing box.

[0014] As a preferred scheme of a printing VOC waste gas treatment device described in the present utility model, among them: a spraying component is arranged on the processing box. The spraying component includes a mounting frame placed on the top of the processing box. A water pump is installed on the top of the mounting frame. The output port of the water pump is communicated with a three-way pipe, and multiple groups of spray heads are connected to the bottom of the mounting frame.

[0015] As a preferred scheme of a printing VOC waste gas treatment device described in the present utility model, among them: multiple groups of the spray heads are arranged in a rectangular shape at equal intervals along the bottom of the mounting frame, and multiple groups of spray heads are communicated with the three-way pipe through water pipes.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] 1. The air suction pump is used as the power for waste gas input, and the negative pressure acts on each branch pipe through the corrugated pipe, ensuring multi-directional input of waste gas. The combination of the corrugated pipe and the branch pipe adapts to the treatment of a large area of VOC waste gas by changing the length of the corrugated pipe and docking the branch pipe with the external air hood. Moreover, the negative pressure pump and the air suction pump cooperate to form a double air intake negative pressure action, effectively ensuring the waste gas input power.

[0018] 2. The separated processing box is converted into a photo-oxidation catalysis area by the photocatalytic lamp tubes, enabling the waste gas to react therein, thereby assisting in removing harmful substances and irritating odors in the waste gas. The gas after the reaction is filtered by the filter mesh plate to remove large-particle debris and dust, and then further adsorbed and purified by the carbon dioxide adsorption plate. In addition, the water pump supplies external water source to the spray heads through the three-way pipe for spraying, and the waste gas is further sprayed and treated by the spray heads, enhancing the waste gas cleaning effect. Description of the Drawings

[0019] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will describe the present utility model in detail in conjunction with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings. Among them:

[0020] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0021] Figure 2 is a schematic diagram of a partial structure of the present utility model;

[0022] Figure 3 is a schematic diagram of the top view structure of the present utility model;

[0023] Figure 4 is the present utility model Figure 2 partial structure schematic diagram.

[0024] In the figure: 100 treatment box, 110 negative pressure pump, 200 suction component, 210 suction pump, 211 connecting pipe, 220 corrugated pipe, 221 branch pipe, 300 pretreatment component, 310 support plate, 311 carbon dioxide adsorption plate, 312 filter mesh plate, 320 connecting frame, 321 photo-oxidation catalytic lamp tube, 400 spraying component, 410 mounting rack, 420 water pump, 421 three-way pipe, 422 spray head. Specific embodiments

[0025] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following will describe the specific embodiments of the present utility model in detail with reference to the drawings.

[0026] In the following description, many specific details are set forth to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar promotions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0027] Secondly, the present utility model is described in detail in combination with the schematic diagrams. When detailing the embodiments of the present utility model, for the convenience of explanation, the cross-sectional views showing the device structure will be enlarged locally out of the general proportion, and the schematic diagrams are only examples, which should not limit the scope of protection of the present utility model herein. In addition, in actual production, three-dimensional spatial dimensions including length, width, and depth should be included.

[0028] To make the objectives, technical solutions and advantages of the present utility model clearer, the following will further describe in detail the embodiments of the present utility model with reference to the accompanying drawings.

[0029] The present utility model provides a VOC waste gas treatment device for printing. Please refer to Figures 1-4 , including a treatment tank 100, a suction component 200 and a pretreatment component 300;

[0030] Please continue to refer to Figures 1-3 , the treatment tank 100 as the treatment chamber. A negative pressure pump 110 is threadedly connected to the outside of the treatment tank 100. When the negative pressure pump 110 works, the gas after spray treatment is discharged from the treatment tank 100. And the negative pressure pump 110 cooperates with the suction pump 210 to form a double-inlet negative pressure action, effectively ensuring the input power of the waste gas.

[0031] Please continue to refer to Figures 1-2 , the suction component 200 is connected to the treatment tank 100, including a suction pump 210 screwed to the front side of the treatment tank 100. The output port of the suction pump 210 is communicated with the treatment tank 100. A connecting pipe 211 is communicated with the input port of the suction pump 210. A corrugated pipe 220 is communicated with the end of the connecting pipe 211. Multiple branch pipes 221 are connected to the outside of the corrugated pipe 220. The suction pump 210 serves as the input power of the waste gas, and the negative pressure acts on each branch pipe 221 through the corrugated pipe 220, ensuring the multi-directional input of the waste gas. And the combination of the corrugated pipe 220 and the branch pipes 221 can adapt to the treatment of large-area VOC waste gas by changing the length of the corrugated pipe 220 and docking the branch pipes 221 with the external air hood.

[0032] The multiple branch pipes 221 are linearly arranged at equal intervals from left to right along the outside of the corrugated pipe 220, and a connection cylinder adapted to the external air hood is connected to the end of the branch pipe 221;

[0033] Please continue to refer to Figures 1-4 , the pretreatment component 300 is placed in the treatment tank 100 to filter and remove harmful substances from the waste gas input by the suction component 200;

[0034] The pretreatment component 300 includes a support plate 310 clamped inside the treatment tank 100 and separating the treatment tank 100 (the connection between the support plate and the treatment tank is sealed). A carbon dioxide adsorption plate 311 and a filter mesh plate 311 are embedded in the support plate 310. The filter mesh plate 311 is arranged on the side close to the output port of the suction pump 210. The filter mesh plate 311 filters large-particle debris dust contained in the input waste gas, and then the carbon dioxide adsorption plate 311 further adsorbs and purifies the waste gas;

[0035] The pretreatment component 300 further includes a connecting frame 320 threadedly connected to the top of the processing box 100. A plurality of photocatalytic lamp tubes 321 are connected to the connecting frame 320. The illumination ends of the photocatalytic lamp tubes 321 are arranged corresponding to the inner side of the processing box 100. The separated processing box 100 is converted into a photo-oxidation catalytic zone by the photocatalytic lamp tubes 321, so that the waste gas reacts therein, thereby assisting in removing harmful substances and irritating odors in the waste gas.

[0036] Please continue to refer to Figures 1-4 , a spraying component 400 is provided on the processing box 100. The spraying component 400 includes a mounting frame 410 placed on the top of the processing box 100. A water pump 420 is threadedly connected to the top of the mounting frame 410. A tee pipe 421 is communicated with the output port of the water pump 420. A plurality of spray heads 421 are connected to the bottom of the mounting frame 410. The plurality of spray heads 421 are arranged at equal intervals in a rectangular shape along the bottom of the mounting frame 410, and the plurality of spray heads 421 are communicated with the tee pipe 421 through a water pipe.

[0037] The water pump 420 supplies external water source to the spray heads 421 through the tee pipe 421 for spraying, and further sprays the waste gas through the spray heads 421 to increase the waste gas cleaning effect.

[0038] Working principle: When the utility model is in use, the suction pump 210 serves as the waste gas input power, and applies negative pressure to each branch pipe 221 through the corrugated pipe 220 to ensure multi-directional input of the waste gas. Moreover, the combination of the corrugated pipe 220 and the branch pipe 221 is used to dock the branch pipe 221 with the external air hood by changing the length of the corrugated pipe 220, so as to adapt to the treatment of large-area voc waste gas. Furthermore, the negative pressure pump 110 cooperates with the suction pump 210 to form a double-inlet negative pressure action, effectively ensuring the waste gas input power.

[0039] At the same time, the separated processing box 100 is converted into a photo-oxidation catalytic zone by the photocatalytic lamp tubes 321, so that the waste gas reacts therein, thereby assisting in removing harmful substances and irritating odors in the waste gas. The gas after the reaction is filtered by the filter screen plate 311 to remove large-particle debris and dust, and further adsorbed and purified by the carbon dioxide adsorption plate 311. Moreover, the water pump 420 supplies external water source to the spray heads 421 through the tee pipe 421 for spraying, and further sprays the waste gas through the spray heads 421 to increase the waste gas cleaning effect.

[0040] Although the present utility model has been described above with reference to the embodiments, various improvements can be made to it and components therein can be replaced with equivalents without departing from the scope of the present utility model. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed by the present utility model can be combined with each other in any way, and the exhaustive description of these combinations is not given in this specification only for the consideration of saving space and resources. Therefore, the present utility model is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. A VOC waste gas treatment device for printing, characterized in that, Comprising: A processing box (100) serving as a processing chamber, with a negative pressure pump (110) installed outside the processing box (100); An air suction component (200), connected to the processing box (100), including an air suction pump (210) installed on the front side of the processing box (100). The output port of the air suction pump (210) is communicated with the processing box (100), and the input port of the air suction pump (210) is communicated with a connecting pipe (211). The end of the connecting pipe (211) is communicated with a corrugated pipe (220), and multiple groups of branch pipes (221) are connected to the outside of the corrugated pipe (220); A pretreatment component (300), placed inside the processing box (100), for performing a filtering and decontamination operation on the waste gas input through the air suction component (200).

2. The printing VOC waste gas treatment device according to claim 1, characterized in that, Multiple groups of the branch pipes (221) are linearly arranged at equal intervals from left to right along the outside of the corrugated pipe (220), and the ends of the branch pipes (221) are connected with connecting cylinders adapted to an external air hood.

3. The printing VOC waste gas treatment device according to claim 2, characterized in that, The pretreatment component (300) includes a support plate (310) connected to the inside of the processing box (100) and separating the processing box (100). A carbon dioxide adsorption plate (311) and a filter mesh plate (312) are embedded in the support plate (310), and the filter mesh plate (312) is arranged on the side close to the output port of the air suction pump (210).

4. The printing VOC waste gas treatment device according to claim 3, characterized in that, The pretreatment component (300) further includes a connecting frame (320) connected to the top of the processing box (100). Multiple groups of photocatalytic lamp tubes (321) are connected to the connecting frame (320), and the illumination ends of the photocatalytic lamp tubes (321) are arranged corresponding to the inside of the processing box (100).

5. The printing VOC waste gas treatment device according to claim 4, wherein, A spraying component (400) is provided on the processing box (100). The spraying component (400) includes a mounting frame (410) placed on the top of the processing box (100). A water pump (420) is installed on the top of the mounting frame (410). The output port of the water pump (420) is communicated with a three-way pipe (421), and multiple groups of spray heads (422) are connected to the bottom of the mounting frame (410).

6. The VOC waste gas treatment device for printing according to claim 5, characterized in that, Multiple groups of the spray heads (422) are arranged in a rectangular pattern at equal intervals along the bottom of the mounting frame (410), and multiple groups of spray heads (422) are communicated with the three-way pipe (421) through water pipes.

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