Environment-friendly treatment device for robot spraying

Abstract

The utility model discloses an environment-friendly treatment device for robot spraying, which solves the problems that the prior art is not suitable for treating VOCs (volatile organic compounds) gas generated by ship surface spraying and cannot be used for treating VOCs gas generated when a robot for spraying the ship surface works, and comprises a heat insulation box, a catalysis module, an electric heating pipe and a heat exchanger are arranged in the heat-insulating box; one side of the catalysis module is attached to the heat preservation box, the other side of the catalysis module is attached to the personal plate, a plurality of through second airflow channels are formed in the catalysis module, and the inner wall, located on each second airflow channel, of the catalysis module is connected with an electric heating pipe; a first airflow channel and a third airflow channel are arranged in the heat exchanger, and the first airflow channel sequentially communicates with the multiple second airflow channels and the third airflow channel. Heat exchange is conducted on the catalysis module through the heat exchanger, and the temperature of the catalysis module is reduced; the gas entering the first gas flow channel is preheated through the heat exchanger, so that the molecular activity of the VOCs gas is improved, and the catalytic reaction is more sufficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the treatment equipment of pollution gas produced on the surface of ship, concretely relates to a kind of environmental protection treatment device for robot spraying. BACKGROUND

[0002] VOCs refers to the abbreviation of volatile organic compounds (Volatile Organic Compounds), and the compounds are easy to volatilize into gas at room temperature.VOCs influences on environment and human health mainly reflect in the following two aspects:

[0003] 1.The influence on air quality: VOCs is one of the key precursors of ground ozone (O3), and can generate ozone under the action of sunlight and nitrogen oxide, thus causing urban photochemical smog pollution.

[0004] 2.The potential harm to human health: some VOCs have toxicity or carcinogenicity, and long-term contact may cause respiratory diseases, headache, eye irritation and other discomfort symptoms;More serious cases may cause liver damage and even cancer.

[0005] Most of VOCs gas is generated in industry, especially a large amount of VOCs gas is generated when the surface of ship is sprayed, and the existing VOCs gas treatment method includes absorption method, condensation method, adsorption method and the like, wherein, the absorption method is purified by liquid absorbent, but the flow of VOCs gas generated in the process of ship surface spraying is small, so that the treatment efficiency is low;The condensation method is to use cooling effect to make VOCs change from gas to liquid and be recycled or further treated, and this method is suitable for high-concentration VOCs waste gas treatment, and is not suitable for VOCs gas treatment generated by ship surface spraying;The adsorption method uses activated carbon and other porous materials as adsorbent to remove VOCs components in air, but this method needs to replace or regenerate adsorption material regularly, and the cost consumption is large, therefore, the above methods are not suitable for VOCs gas treatment generated by ship surface spraying, and cannot be applied to VOCs gas treatment generated by robot for spraying ship surface when working. TECHNICAL CONTENT

[0006] The utility model aims at solving the technical problem that the prior art is not suitable for VOCs gas treatment generated by ship surface spraying, and cannot be applied to VOCs gas treatment generated by robot for spraying ship surface when working, and provides a kind of environmental protection treatment device for robot spraying.

[0007] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] An environmental protection treatment device for robot spraying, which is characterized by comprising a heat preservation box, a catalytic module, an electric heating pipe and a heat exchanger arranged in the heat preservation box.

[0009] A plurality of second gas flow channels are formed in the catalytic module, and a catalyst coating for VOCs gas is adhered to each second gas flow channel of the catalytic module; each second gas flow channel of the catalytic module is provided with the electric heating pipe, which is used to heat the VOCs gas entering the second gas flow channel to a catalytic reaction temperature; the heat exchanger is provided with a first gas flow channel and a third gas flow channel, the first gas flow channel is connected with the inlet of each second gas flow channel, and the outlet of each second gas flow channel is connected with the inlet of the third gas flow channel.

[0010] A first perforation is formed in one end of the electric heating pipe, the inlet end of the first gas flow channel and the outlet end of the third gas flow channel on the heat preservation box, respectively, for connecting the power line of the electric heating pipe, introducing the VOCs gas into the inlet end of the first gas flow channel and discharging the treated gas in the third gas flow channel through the outlet end; the heat exchanger can preheat the gas entering the first gas flow channel, improve the activity of VOCs gas molecules and make the catalytic reaction more sufficient; after the preheated VOCs gas molecules enter the catalytic module, the catalytic reaction is carried out after being heated by the electric heating pipe, and the generated gas enters the third gas flow channel through the plurality of second gas flow channels, and the heat exchanger is heated at the same time.

[0011] The VOCs gas enters the first gas flow channel through the first perforation opposite to the inlet end of the first gas flow channel, is preheated by the heat exchanger, enters the second gas flow channel in the catalytic module, and is subjected to catalytic reaction, and the generated carbon dioxide and water vapor are discharged through the third gas flow channel.

[0012] Further, a heat insulation plate is arranged in the heat preservation box, the bottom surface and one side surface of the catalytic module are attached to the inner wall of the heat preservation box, and a heat insulation plate is arranged between the other side surface and the outer wall of the heat exchanger; the heat insulation plate is used to heat preserve the catalyst coating in the catalytic module.

[0013] Further, the catalytic module comprises a honeycomb ceramic shell, the honeycomb holes of the honeycomb ceramic shell are used as the second gas flow channels, and the catalyst is adhered to the honeycomb ceramic shell; the honeycomb ceramic shell is used to enable the VOCs gas to fully contact the catalyst; the catalyst is used to promote the catalytic reaction of the VOCs gas.

[0014] Further, the heat preservation box comprises a heat preservation box body and a heat preservation box body upper cover, the heat preservation box body and the heat preservation box body upper cover are connected to form a heat preservation cavity, and the catalytic module, the electric heating pipe, the temperature sensor and the heat exchanger are arranged in the heat preservation box body; the catalytic module, the electric heating pipe, the temperature sensor and the heat exchanger in the heat preservation box body are convenient to disassemble or install.

[0015] Further, a plurality of temperature sensors are evenly arranged in the vertical second air flow channel direction in the catalytic module, and temperature transmission holes are formed in the heat preservation box body opposite to the plurality of temperature sensors, so that the temperature inside the catalytic module can be obtained by the temperature sensors, and the temperature inside the catalytic module can be adjusted by the electric heating pipe.

[0016] Further, the heat preservation box is arranged in the protective shell, and the heat preservation box is protected.

[0017] Further, the protective shell comprises a protective shell body and a protective shell upper cover, the protective shell body and the protective shell upper cover form a protective cavity, and the heat preservation box is arranged in the protective shell body, and a second perforation is formed in the protective shell body opposite to the first perforation position of the heat preservation box.

[0018] The beneficial effects of the utility model are as follows:

[0019] 1. The environmental protection treatment device for robot spraying of the utility model adopts a heat exchanger to preheat VOCs gas to be treated, improves the activity of gas molecules, makes the VOCs gas entering the catalytic module fully catalyze, and can improve the VOCs treatment efficiency.

[0020] 2. The environmental protection treatment device for robot spraying of the utility model adopts a honeycomb ceramic shell as a carrier for the catalytic module, and adheres a catalyst coating, so that the VOCs gas can fully contact the catalyst, and the catalytic reaction under the heating action of the electric heating pipe can improve the VOCs gas treatment efficiency and effect.

[0021] 3. The environmental protection treatment device for robot spraying of the utility model adopts carbon dioxide and water vapor generated after catalytic reaction to heat the heat exchanger, which can reduce the exhaust gas temperature on the one hand, and preheat the VOCs gas entering the first air flow channel on the other hand, so that the consumption cost during VOCs treatment can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structure schematic view of the protective shell in the environmental protection treatment device for robot spraying of the utility model;

[0023] Figure 2 It is an exploded view of the environmental protection treatment device for robot spraying of the utility model;

[0024] Figure 3 It is an exploded view of the environmental protection treatment device for robot spraying of the utility model (the protective shell is not shown);

[0025] Figure 4The utility model discloses a kind of environmental protection treatment devices for robot spraying, as shown in the VOCs gas flow schematic diagram of embodiment.

[0026] In the figure, 1-catalytic module;2-electric heating pipe;3-temperature sensor;4-heat exchanger;5-heat preservation box, 501-heat preservation box body, 502-heat preservation box body upper cover;6-protective shell, 601-protective shell body, 602-protective shell upper cover. DETAILED DESCRIPTION

[0027] The technical scheme of the utility model will be described clearly and completely in connection with the drawings and embodiments, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0028] A kind of environmental protection treatment device for robot spraying in the embodiment, as shown in the VOCs gas flow schematic diagram of embodiment. Figure 1 As shown, it includes protective shell 6, protective shell 6 is provided with heat preservation box 5, as shown in Figure 2 Catalytic module 1, electric heating pipe 2, heat exchanger 4 are arranged in heat preservation box 5;Protective shell 1 protects heat preservation box 5.

[0029] Among them, catalytic module 1 includes honeycomb ceramic shell, the honeycomb hole of honeycomb ceramic shell as second airflow passage, honeycomb ceramic shell is adhered with catalyst coating. Adopt honeycomb ceramic shell, can make VOCs gas contact catalyst fully.

[0030] Heat preservation box 5 includes heat preservation box body 501 and heat preservation box body upper cover 502, heat preservation box body 501 is connected with heat preservation box body upper cover 502 to form heat preservation cavity, catalytic module 1, electric heating pipe 2, temperature sensor 3, heat exchanger 4 are arranged in heat preservation box body 501.

[0031] As shown in Figure 2 Protective shell 6 includes protective shell body 601 and protective shell upper cover 602, protective shell body 601 is connected with protective shell upper cover 602 to form protective cavity, heat preservation box 5 is arranged in protective shell body 601, second perforation is set up on protective shell body 601, and first perforation position on heat preservation box 5 is directly opposite.

[0032] The connection relationship in heat preservation box 5 is as shown in Figure 3As shown: the inner wall of the heat preservation box 501 is connected to one side of the catalytic module 1, the other side of the catalytic module 1 is attached to the heat insulation plate, a plurality of second air flow channels are provided in the catalytic module 1, an electric heating pipe 2 is connected to the inner wall of each second air flow channel on the catalytic module 1, which is used to heat the VOCs gas entering the second air flow hole to the catalytic reaction temperature; the first air flow channel and the third air flow channel are provided in the heat exchanger 4, the first air flow channel is communicated with the plurality of second air flow channels and the third air flow channel in turn; a first perforation is provided on the heat preservation box 501 corresponding to one end of the electric heating pipe 2, the inlet end of the first hot air flow channel and the outlet end of the third air flow channel, respectively for connecting the power line of the electric heating pipe 2, introducing VOCs gas into the inlet end of the first air flow channel and discharging the treated gas in the third air flow channel through the outlet end.

[0033] In use, the VOCs gas flows as shown: Figure 4

[0034] Turn on the electric heating pipe 2, introduce the VOCs gas into the first air flow channel through the first perforation on the heat preservation box 501, preheat it through the heat exchanger 4 to increase the activity of the VOCs gas molecules, then enter the plurality of second air flow channels, and heat the VOCs gas entering the second air flow channel of the catalytic module 1 through the electric heating pipe 2; at the same time, catalytic reaction is carried out in the second air flow channel to generate carbon dioxide and water, due to the setting of the electric heating pipe 2 in the second air flow channel and the heat released by the catalytic reaction, the water produced by the catalytic reaction enters the third air flow channel in the heat exchanger 4 in the form of water vapor, and the carbon dioxide generated by the catalytic reaction is discharged through the third air flow channel.

[0035] In order to control the heating effect of the electric heating pipe 2, the temperature sensor 3 can be used to adjust the heating effect of the electric heating pipe 2.

[0036] In this embodiment, the temperature of the carbon dioxide and water vapor output in the second air flow channel is relatively high, which can heat the heat exchanger 4 to preheat the VOCs gas entering the first air flow channel;

[0037] In this embodiment, the input VOCs gas flow is not limited, due to the setting of the preheating process and the design of the catalytic module 1 as a honeycomb ceramic shell attached with a catalyst, the catalytic reaction is heated by the electric heating pipe 2, which makes the catalytic reaction more sufficient, can significantly improve the processing efficiency and effect of the VOCs gas, and also has the advantage of low processing cost.

[0038] ​The above merely illustrates the specific implementation of the present application, and the effect comparison of the relevant specific implementation and the related comparative examples, but the protection scope of the present application is not limited to this, any change or replacement within the technical range disclosed in the present application should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An environmentally friendly treatment device for robotic spray painting, characterized by: The catalytic module (1), a plurality of electric heating pipes (2), and a heat exchanger (4) are arranged in the incubator (5). A plurality of second airflow passages are formed in the catalytic module (1), and a catalyst coating for VOCs gas is adhered to each second airflow passage of the catalytic module (1); each second airflow passage of the catalytic module (1) is provided with the electric heating pipe (2) for heating the VOCs gas entering the second airflow passage to a catalytic reaction temperature; the heat exchanger (4) is provided with a first airflow passage and a third airflow passage, the first airflow passage is connected with the inlet of each second airflow passage, and the outlet of each second airflow passage is connected with the inlet of the third airflow passage. A first perforation is formed on the incubator (5) corresponding to one end of the electric heating pipe (2), the inlet end of the first hot airflow passage, and the outlet end of the third airflow passage, respectively, for connecting the power line of the electric heating pipe (2), introducing the VOCs gas into the inlet end of the first airflow passage, and discharging the treated gas in the third airflow passage through the outlet end.

2. An environmentally friendly treatment device for robotic painting according to claim 1, characterized in that: The incubator (5) is provided with a heat insulation plate, the bottom surface and one side surface of the catalytic module (1) are attached to the inner wall of the incubator (5), and the heat insulation plate is arranged between the other side surface and the outer wall of the heat exchanger (4).

3. An environmentally friendly treatment device for robotic painting as claimed in claim 1, wherein: The catalytic module (1) comprises a honeycomb ceramic shell, the honeycomb holes of the honeycomb ceramic shell serve as the second airflow passages, and the honeycomb ceramic shell is adhered with a catalyst.

4. The environmentally friendly treatment device for robotic painting of claim 1, wherein: The incubator (5) comprises an incubator body (501) and an incubator body upper cover (502), the incubator body (501) and the incubator body upper cover (502) are connected to form an incubation cavity, and the catalytic module (1), the electric heating pipe (2), the temperature sensor (3), and the heat exchanger (4) are arranged in the incubator body (501).

5. An environmentally friendly treatment device for robotic painting as claimed in claim 4, wherein: A plurality of temperature sensors (3) are uniformly arranged in the catalytic module (1) along the vertical direction of the second airflow passages, and temperature transmission holes are formed on the incubator body (501) corresponding to the positions of the plurality of temperature sensors (3).

6. An environmentally friendly treatment device for robotic painting according to claim 1, wherein: The incubator (5) is arranged in the protective shell (6).

7. An environmentally friendly treatment device for robotic painting according to claim 6, wherein: The protective shell (6) comprises a protective shell body (601) and a protective shell upper cover (602), the protective shell body (601) and the protective shell upper cover (602) form a protection cavity, the incubator (5) is arranged in the protective shell body (601), and a second perforation is formed on the protective shell body (601) opposite to the first perforation on the incubator (5).

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