CN211987839U - An efficient and environmentally friendly activated carbon adsorption device for VOC treatment - Google Patents

Abstract

The utility model discloses a high-efficiency and environment-friendly activated carbon adsorption device for VOC treatment in the field of VOC treatment. Separation plate. The surface of the separation plate is evenly provided with ventilation holes. The separation plate divides the adsorption box into a gas separation area and an adsorption area. The top of the inner cavity of the adsorption box is located at the edge of the separation plate. The bottom end of the cavity and the front and rear side walls cooperate with the first rectangular groove to open a first concave groove. The pretreatment mechanism includes a filter screen and a pretreatment outer frame. A first handle is fixed in the center of the top of the pretreatment outer frame. There is a second rectangular groove. The bottom end of the inner cavity of the adsorption box and the front and rear side walls of the adsorption box cooperate with the second rectangular groove to open a second concave groove. The activated carbon adsorption mechanism includes three sets of adsorption parts, and the adsorption parts include an adsorption outer frame and an activated carbon plate. A second handle is fixed at the top center of the outer frame.

Description

An efficient and environmentally friendly activated carbon adsorption device for VOC treatment

technical field

The utility model relates to the field of VOC treatment, in particular to an activated carbon adsorption device for high-efficiency and environment-friendly VOC treatment.

Background technique

VOC waste gas refers to waste gas with low content of volatile organic compounds discharged in various industrial production processes, including formaldehyde, ammonia, ethylene glycol, esters and other substances. Human health has a considerable impact and threat. When VOC reaches a certain concentration, people in it will feel headache, nausea, vomiting, fatigue, etc. in a short time. The liver, kidneys, brain and nervous system of the human body cause serious consequences such as memory loss. At present, the main methods of purifying VOC waste gas are combustion, catalytic incineration, activated carbon adsorption, wet scrubbing, condensation, photooxidation and biological treatment. Among them, the activated carbon adsorption method is relatively simple and widely used.

At present, the Chinese patent with the application number CN201820525445.5 discloses an activated carbon adsorption device for VOC exhaust gas purification, including an adsorption tank body with a hollow interior, an activated carbon adsorption layer arranged at the upper and lower ends of the adsorption tank body, and a left side of the adsorption tank body. There is an air inlet in the middle of the surface, the top and bottom of the adsorption tank body are provided with exhaust ports, the outer side of the adsorption tank body is provided with a thermal insulation layer, the left end of the air inlet is provided with a connecting flange, and the right end of the connecting flange is connected with a gas The gas distributor is provided with a gas relief sleeve in the inner cavity of the gas distributor. The activated carbon adsorption equipment for VOC exhaust gas purification, through the adsorption of the upper and lower activated carbon adsorption layers, can timely and effectively adsorb impurities in the exhaust gas with large air volume, and improve the exhaust gas purification efficiency. At the same time, the exhaust gas flow direction is changed from narrowing to enlarged through the gas relief sleeve, so that the exhaust gas is sprayed outward through the gas distributor, and the distribution in the activated carbon adsorption layer is more uniform, so that the adsorption effect is better. However, using this device for VOC control activated carbon adsorption, with the use of activated carbon, its adsorption capacity is continuously weakened, and the adsorption effect becomes poor, and the device is not convenient to replace the activated carbon. Based on this, the utility model designs an efficient and environmentally friendly VOC treatment activated carbon adsorption device.

Utility model content

The purpose of this utility model is a kind of high-efficiency and environment-friendly VOC treatment activated carbon adsorption device, so as to solve the problem of inconvenient replacement of activated carbon in the above-mentioned background.

To achieve the above object, the utility model provides the following technical solutions:

An efficient and environmentally friendly activated carbon adsorption device for VOC treatment includes an adsorption box, a pretreatment mechanism and an activated carbon adsorption mechanism. The two sides of the adsorption box are symmetrically fixed with an air intake pipe and an air outlet pipe, and a partition plate is fixed inside the adsorption box. The surface of the partition plate is evenly provided with ventilation holes, the partition plate divides the adsorption box into a gas separation area and an adsorption area, the top of the inner cavity of the adsorption box is located at the edge of the partition plate with a first rectangular groove, the The bottom end of the inner cavity of the adsorption box and the front and rear side walls cooperate with the first rectangular groove to open a first concave groove, the pretreatment mechanism includes a filter screen and a pretreatment outer frame, and a first handle is fixed at the top center of the pretreatment outer frame. , the top of the inner cavity of the adsorption box is provided with a second rectangular groove, the bottom end of the inner cavity of the adsorption box and the front and rear side walls cooperate with the second rectangular groove to open a second concave groove, and the activated carbon adsorption mechanism includes three sets of adsorption parts , the adsorption part includes an adsorption outer frame and an activated carbon plate, and a second handle is fixed in the center of the top end of the adsorption outer frame.

Preferably, the first concave groove includes a first vertical groove formed on the front and rear inner walls of the inner cavity of the adsorption box and a first transverse groove formed at the bottom end of the inner cavity of the adsorption box. The groove is communicated with the first rectangular groove and forms a square ring.

Preferably, the shape and size of the pretreatment outer frame are the same as the shape and size of the square ring formed by the communication between the first concave groove and the first rectangular groove, and the height of the filter screen is equal to the height of the inner cavity of the adsorption box.

Preferably, the second concave groove includes a second vertical groove formed on the front and rear inner walls of the suction box and a second horizontal groove formed on the bottom end of the suction box. The second horizontal groove, the second vertical groove The groove and the second rectangular groove are arranged in communication and form a square ring.

Preferably, the shape and size of the adsorption outer frame is the same as the shape and size of the square ring formed by the communication between the second concave groove and the second rectangular groove, the height of the activated carbon plate is equal to the height of the inner cavity of the adsorption box, and all three groups of The adsorption parts are arranged in the adsorption area at equal intervals.

Preferably, rubber pads are provided on the surfaces of the first handle and the second handle, and sealing pads are provided at the contact positions of the adsorption frame and the second rectangular groove and the contact positions of the pretreatment frame and the first rectangular groove.

Compared with the prior art, the beneficial effect of the present utility model is that: by setting the pretreatment mechanism and the activated carbon adsorption mechanism with three groups of adsorption parts, the VOC gas firstly removes the internal large particulate matter through the pretreatment mechanism, and then passes through the three groups of adsorbents. The adsorption part removes harmful gases, which improves the effect of VOC treatment; by setting the first rectangular groove, the second rectangular groove, the first concave groove and the second concave groove, it is convenient to install and replace the pretreatment mechanism and the activated carbon adsorption mechanism ,easy to use.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following will briefly introduce the accompanying drawings used in the description of the embodiments. Obviously, the drawings described below are only some examples of the present utility model. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the top view structure schematic diagram of the utility model;

3 is a schematic diagram of the cross-sectional structure of the utility model A-A.

In the accompanying drawings, the list of components represented by each number is as follows:

1- Adsorption box, 2- Pretreatment mechanism, 3- Activated carbon adsorption mechanism, 4- Air inlet pipe, 5- Air outlet pipe, 6- Separation plate, 60- Ventilation hole, 7- Air separation area, 8- Adsorption area, 9 -First rectangular groove, 10-First concave groove, 11-Filter screen, 12-Pretreatment frame, 13-First handle, 14-Second rectangular groove, 15-Second concave groove, 16-Adsorption outer Box, 17- charcoal plate, 18- second handle.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the examples of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. . Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figures 1-3, the utility model provides a technical solution:

As shown in Figures 1 and 3, an efficient and environmentally friendly activated carbon adsorption device for VOC treatment includes an adsorption box 1, a pretreatment mechanism 2 and an activated carbon adsorption mechanism 3. The adsorption box 1 is symmetrically fixed on both sides with an intake pipe 4 and an exhaust pipe 5. , a partition plate 6 is fixed inside the adsorption box 1, and the surface of the partition plate 6 is evenly provided with ventilation holes 60. The partition plate 6 divides the adsorption box 1 into a gas separation area 7 and an adsorption area 8, and the top of the inner cavity of the adsorption box 1 is located at A first rectangular groove 9 is opened at the edge of the partition plate 6, and a first concave groove 10 is opened at the bottom end and the front and rear side walls of the inner cavity of the adsorption box 1 in cooperation with the first rectangular groove 9. The first concave groove 10 includes a The first vertical slot on the front and rear inner walls of the inner cavity of the adsorption box 1 and the first horizontal slot opened at the bottom end of the inner cavity of the adsorption box 1, the first horizontal slot, the first vertical slot and the first rectangular slot 9 are communicated and arranged to form a square ring, The pretreatment mechanism 2 includes a filter screen 11 and a pretreatment outer frame 12. The height of the filter screen 11 is equal to the height of the inner cavity of the adsorption box 1, the shape and size of the pretreatment outer frame 12 and the first concave groove 10 and the first rectangular groove. The shape and size of the connected square rings are the same, a first handle 13 is fixed at the center of the top of the outer frame 12 of the pretreatment, a second rectangular groove 14 is opened at the top of the inner cavity of the adsorption box 1, and the bottom end of the inner cavity of the adsorption box 1 is matched with the front and rear side walls. The second rectangular groove 14 is provided with a second concave groove 15 . The second concave groove 15 includes a second vertical groove formed on the front and rear inner walls of the inner cavity of the adsorption box 1 and a second horizontal groove formed on the bottom end of the inner cavity of the adsorption box 1 . The second horizontal slot, the second vertical slot and the second rectangular slot 14 are connected to each other and form a square ring. The activated carbon adsorption mechanism 3 includes three sets of adsorption parts. The adsorption parts include an adsorption outer frame 16 and an activated carbon plate 17. The adsorption outer frame The shape and size of 16 are the same as the shape and size of the square ring formed by the communication between the second concave groove 15 and the second rectangular groove 14, the height of the activated carbon plate 17 is equal to the height of the inner cavity of the adsorption box 1, and the three groups of adsorption parts are arranged at equal intervals. In the adsorption zone 8, a second handle 18 is fixed at the top center of the adsorption frame 16. By setting the pretreatment mechanism 2 and the activated carbon adsorption mechanism 3 with three sets of adsorption parts, the VOC gas first passes through the pretreatment mechanism 2 for the removal of large particulate matter inside. removal, and then remove harmful gases through three sets of adsorption parts, which improves the effect of VOC treatment;

It is worth noting that the surfaces of the first handle 13 and the second handle 18 are provided with rubber pads, and the contact positions of the adsorption outer frame 16 and the second rectangular groove 14 and the contact positions of the pretreatment outer frame 12 and the first rectangular groove 9 are provided with seals. pad to avoid gas leakage during processing.

A specific application of this embodiment is: the VOC gas enters the gas separation area 7 through the air inlet pipe 4, and the gas is depressurized and buffered to a certain extent in combination with the partition plate 6, so as to prevent it from directly adsorbing through the activated carbon when the kinetic energy is large, and after the release The buffered gas reaches the pretreatment mechanism 2 through the ventilation holes 60, and the larger particles present in the gas are first removed through the filter 11, and then the gas passes through the activated carbon adsorption mechanism 3, and the activated carbon plate 17 in the three sets of adsorption members. The harmful gas is adsorbed and removed, and finally leaves the device through the air outlet 5. During the process, the contact position between the adsorption outer frame 16 and the second rectangular groove 14 and the contact position between the pretreatment outer frame 12 and the first rectangular groove 9 are provided with sealing gaskets to avoid gas Leakage occurs during the treatment process. At the same time, the arrangement of the first rectangular groove 9, the second rectangular groove 14, the first concave groove 10 and the second concave groove 15 facilitates the installation and operation of the pretreatment mechanism 2 and the activated carbon adsorption mechanism 3. replace.

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the contents of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. An efficient and environmentally friendly VOC treatment activated carbon adsorption device, comprising an adsorption box (1), a pretreatment mechanism (2) and an activated carbon adsorption mechanism (3), characterized in that: the adsorption box (1) is symmetrically fixed on both sides. The air inlet pipe (4) and the air outlet pipe (5), a partition plate (6) is fixed inside the adsorption box (1), and ventilation holes (60) are evenly opened on the surface of the partition plate (6). The partition plate (6) divides the adsorption box (1) into a gas separation area (7) and an adsorption area (8). The top of the inner cavity of the adsorption box (1) is located at the edge of the partition plate (6). A groove (9), the bottom end of the inner cavity of the adsorption box (1) and the front and rear side walls cooperate with the first rectangular groove (9) to open a first concave groove (10), and the pretreatment mechanism (2) includes a filter A net (11) and a pretreatment outer frame (12), a first handle (13) is fixed at the top center of the pretreatment outer frame (12), and a second rectangular groove (14) is opened at the top of the inner cavity of the adsorption box (1). ), the bottom end of the inner cavity of the adsorption box (1) and the front and rear side walls cooperate with the second rectangular groove (14) to open a second concave groove (15), and the activated carbon adsorption mechanism (3) includes three groups of adsorption parts, The adsorption member includes an adsorption outer frame (16) and an activated carbon plate (17), and a second handle (18) is fixed at the top center of the adsorption outer frame (16). 2. A kind of high-efficiency and environment-friendly VOC control activated carbon adsorption device according to claim 1, characterized in that: the first concave groove (10) comprises a first concave groove (10) opened on the front and rear inner walls of the inner cavity of the adsorption box (1) A vertical slot and a first horizontal slot opened at the bottom end of the inner cavity of the adsorption box (1), the first horizontal slot, the first vertical slot and the first rectangular slot (9) are communicated and arranged to form a square ring. 3. A kind of high-efficiency and environment-friendly VOC control activated carbon adsorption device according to claim 2, characterized in that: the shape and size of the pretreatment outer frame (12) and the first concave groove (10) and the first rectangular groove ( 9) The shape and size of the connected square rings are the same, and the height of the filter screen (11) is equal to the height of the inner cavity of the adsorption box (1). 4. A kind of high-efficiency and environment-friendly VOC treatment activated carbon adsorption device according to claim 1, characterized in that: the second concave groove (15) comprises a second concave groove (15) opened on the front and rear inner walls of the inner cavity of the adsorption box (1). A vertical slot and a second horizontal slot opened at the bottom end of the inner cavity of the adsorption box (1), the second horizontal slot, the second vertical slot and the second rectangular slot (14) are communicated and arranged to form a square ring. 5. A kind of high-efficiency and environmentally friendly VOC control activated carbon adsorption device according to claim 4, characterized in that: the shape and size of the adsorption outer frame (16) and the second concave groove (15) and the second rectangular groove (14) ) connected to form square rings of the same shape and size, the height of the activated carbon plate (17) is equal to the height of the inner cavity of the adsorption box (1), and the three groups of the adsorption members are arranged in the adsorption zone (8) at equal intervals. 6. A kind of high-efficiency and environmentally friendly VOC control activated carbon adsorption device according to claim 1, characterized in that: rubber pads are provided on the surfaces of the first handle (13) and the second handle (18), and the adsorption outer frame ( 16) The contact position with the second rectangular groove (14) and the contact position between the pretreatment outer frame (12) and the first rectangular groove (9) are provided with sealing gaskets.

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