Activated carbon adsorption and desorption circulating device

Abstract

The utility model discloses an activated carbon adsorption and desorption circulating device which comprises a box body, a dry filter, a purification assembly capable of completely purifying VOCs (volatile organic compounds) and a PLC (programmable logic controller) electric control cabinet, the purification assembly and the dry filter are sequentially arranged in the box body, the PLC electric control cabinet is arranged outside the box body, and the purification assembly and the dry filter are electrically connected with the PLC electric control cabinet; the purification assembly comprises an adsorption pipeline, activated carbon, a desorption fan capable of desorbing VOCs adsorbed and saturated on the activated carbon, and a spraying assembly capable of spraying a catalyst to convert desorbed organic matters into carbon dioxide and water; compared with the prior art, the device has the advantages that an integrated structure is adopted, purification of VOCs can be completed by adopting fewer cavities and steps, so that the mounting steps are simple, and the treated gas does not cause pollution to the atmosphere.

Description

Technical Field

[0001] The utility model relates to an activated carbon adsorption and desorption circulation device. Background Art

[0002] In factory production, there are various ways to treat volatile organic waste gas (VOCs), which are generally filtered layer by layer so that the exhaust gas discharged can meet the emission standards as a whole. However, existing VOCs waste gas treatment, such as the equipment with patent number CN202321505787.8, has many components, involves multiple cavities, and each cavity has a different function, and the installation is cumbersome. Utility Model Content

[0003] In view of the above, the utility model provides an activated carbon adsorption and desorption circulation device to solve the problems existing in the above-mentioned prior art.

[0004] According to one aspect of the utility model, an activated carbon adsorption and desorption circulation device is provided, comprising a box, a dry filter, a purification component that can completely purify VOCs, and a PLC electric control cabinet, wherein the purification component and the dry filter are sequentially arranged in the box, the PLC electric control cabinet is arranged outside the box, and the purification component and the dry filter are electrically connected to the PLC electric control cabinet;

[0005] The purification component includes an adsorption pipeline, activated carbon, a desorption fan that can desorb VOCs after being adsorbed and saturated on the activated carbon, and a spray component that can spray a catalyst to convert the desorbed organic matter into carbon dioxide and water. The adsorption pipeline is connected to the air outlet of the dry filter. The activated carbon has a porous structure and is arranged in the adsorption pipeline. The desorption fan is arranged on the outside of the adsorption pipeline, and the air outlet is connected to the side wall of the adsorption pipeline and communicated with the adsorption pipeline. The spray component is arranged on the outside of the adsorption pipeline, and the spray end is communicated with the inside of the adsorption pipeline. The air inlet and the air outlet of the adsorption pipeline are respectively provided with a first electric valve and a second electric valve, and the first electric valve and the second electric valve are both connected to the output end of the PLC electric control cabinet.

[0006] The spraying assembly comprises a catalyst box and a nozzle. The catalyst box is arranged on the outer wall of the adsorption pipeline, the nozzle is arranged in the adsorption pipeline, and the nozzle is connected to the catalyst box through a water pipe.

[0007] Preferably, a drain outlet is provided at the bottom of the adsorption pipe, a third electric valve is provided at the drain outlet, and the third electric valve is connected to the output end of the PLC electric control cabinet; a drain pipe is provided at the bottom of the box body.

[0008] Preferably, an air outlet duct is provided on the side of the box body, and the air outlet duct is connected to the adsorption duct.

[0009] Preferably, a rain shield fixed by a bracket is provided above the air outlet duct.

[0010] The beneficial effects of the utility model are:

[0011] The device adopts an integrated structure and can complete the purification of VOCs using fewer cavities and steps, making the installation steps simple and the treated gas will not pollute the atmosphere. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the planar structure of the utility model;

[0013] In the figure, 1. dry filter; 2. box body; 3. PLC electric control cabinet; 4. adsorption pipe; 5. activated carbon; 6. first electric valve; 7. second electric valve; 8. desorption fan; 9. catalyst box; 10. nozzle; 11. air outlet pipe; 12. rain shield; 13. third electric valve; 14. drain pipe. DETAILED DESCRIPTION

[0014] The utility model is further described below with reference to the accompanying drawings and some embodiments.

[0015] Figure 1 In the invention, an activated carbon adsorption and desorption cycle device comprises a housing 2, a dry filter 1 capable of filtering dust, a purification component capable of completely purifying VOCs, and a PLC electric control cabinet 3, wherein the purification component and the dry filter 1 are sequentially arranged in the housing 2, the PLC electric control cabinet 3 is arranged outside the housing 2, and the purification component and the dry filter 1 are both electrically connected to the PLC electric control cabinet 3;

[0016] The purification component includes an adsorption pipe 4, activated carbon 5, a desorption fan 8 that can desorb VOCs after being adsorbed and saturated on the activated carbon 5, and a spray component that can spray a catalyst to convert the desorbed organic matter into carbon dioxide and water. The adsorption pipe 4 is connected to the air outlet of the dry filter 1. The activated carbon 5 is a porous structure and is arranged in the adsorption pipe 4. The desorption fan 8 is arranged on the outside of the adsorption pipe 4, and the air outlet is connected to the side wall of the adsorption pipe 4 and communicated with the adsorption pipe 4. The spray component is arranged on the outside of the adsorption pipe 4, and the spray end is communicated with the inside of the adsorption pipe 4. The air inlet and the air outlet of the adsorption pipe 4 are respectively provided with a first electric valve 6 and a second electric valve 7, and the first electric valve 6 and the second electric valve 7 are both connected to the output end of the PLC electric control cabinet 3;

[0017] The spray assembly includes a catalyst box 9 and a nozzle 10. The catalyst box 9 is arranged on the outer wall of the adsorption pipe 4, and the nozzle 10 is arranged in the adsorption pipe 4. The nozzle 10 is connected to the catalyst box 9 through a water pipe.

[0018] In this embodiment, a drain outlet is provided at the bottom of the adsorption pipe 4 , and a third electric valve 13 is provided at the drain outlet. The third electric valve 13 is connected to the output end of the PLC electric control cabinet 3 ; a drain pipe 14 is provided at the bottom of the box body 2 .

[0019] In this embodiment, an air outlet duct 11 is provided on the side of the box body 2 , and the air outlet duct 11 is connected to the adsorption duct 4 .

[0020] In this embodiment, a rain shield 12 fixed by a bracket is provided above the air outlet duct 11 .

[0021] In the specific implementation of this embodiment:

[0022] The PLC electric control cabinet 3 opens the first electric valve 6 for a set time, so that the VOCs are adsorbed by the activated carbon 5, and then closes the first electric valve 6. After the set time, the VOCs are saturated with the activated carbon 5, and then the desorption fan 8 is turned on. After working for the set time, the desorption is completed, and the second electric valve 7 and the nozzle 10 are opened at the same time, so that the nozzle 10 sprays out the catalyst, which reacts with the desorbed substance to produce carbon dioxide and water. The third electric valve 13 is opened, and the water flows out along the drain port and is discharged through the drain pipe 14, and the carbon dioxide is discharged into the atmosphere. Then the first electric valve 6, the second electric valve 7 and the third electric valve 13 are reset to carry out the next cycle processing.

[0023] In this embodiment, the control circuit of the utility model is a common circuit in the circuit field. The device of the utility model can be connected to an external power supply or a built-in battery through a power cord to provide power for the device. Technicians in the relevant technical field can implement it and will not be elaborated here.

[0024] It is worth noting that: in the description of the present utility model, the meaning of "multiple" is two or more than two, unless otherwise clearly and specifically defined. In the present utility model, unless otherwise clearly specified and defined, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; the circuits described in the present utility model are all commonly used circuits in the field, and other related components are all existing commonly used components. For ordinary technicians in the field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the elements of the claims be included in the present invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. An activated carbon adsorption and desorption circulation device, Features: It includes a box body, a dry filter, a purification component that can completely purify VOCs, and a PLC electric control cabinet. The purification component and the dry filter are sequentially arranged in the box body, and the PLC electric control cabinet is arranged outside the box body, and the purification component and the dry filter are electrically connected to the PLC electric control cabinet; The purification component includes an adsorption pipeline, activated carbon, a desorption fan that can desorb VOCs after being adsorbed and saturated on the activated carbon, and a spray component that can spray a catalyst to convert the desorbed organic matter into carbon dioxide and water. The adsorption pipeline is connected to the air outlet of the dry filter. The activated carbon has a porous structure and is arranged in the adsorption pipeline. The desorption fan is arranged on the outside of the adsorption pipeline, and the air outlet is connected to the side wall of the adsorption pipeline and communicated with the adsorption pipeline. The spray component is arranged on the outside of the adsorption pipeline, and the spray end is communicated with the inside of the adsorption pipeline. The air inlet and the air outlet of the adsorption pipeline are respectively provided with a first electric valve and a second electric valve, and the first electric valve and the second electric valve are both connected to the output end of the PLC electric control cabinet. The spraying assembly comprises a catalyst box and a nozzle. The catalyst box is arranged on the outer wall of the adsorption pipeline, the nozzle is arranged in the adsorption pipeline, and the nozzle is connected to the catalyst box through a water pipe.

2. An activated carbon adsorption and desorption circulation device according to claim 1, Features: A drain outlet is provided at the bottom of the adsorption pipe, a third electric valve is provided at the drain outlet, and the third electric valve is connected to the output end of the PLC electric control cabinet; a drain pipe is provided at the bottom of the box body.

3. An activated carbon adsorption and desorption circulation device according to claim 1, Features: An air outlet duct is provided on the side of the box body, and the air outlet duct is connected to the adsorption duct.

4. An activated carbon adsorption and desorption circulation device according to claim 3, Features: A rain shield fixed by a bracket is arranged above the air outlet duct.

Images