CN216878608U - VOCs tail gas adsorption equipment - Google Patents

Abstract

The utility model discloses a VOCs tail gas adsorption device, which is supported and arranged on the ground through a base; the method comprises the following steps: the air inlet distributor is fixedly arranged on the upper surface of the base, an activated carbon bed is arranged at the upper end of the air inlet distributor, and an upper cover section is arranged at the upper end of the activated carbon bed; the exhaust chimney is arranged at the upper end of the upper cover section in a run-through connection mode, and a feeding opening is arranged on the side face of the exhaust chimney; the crawling ladder is fixedly installed on the outer side face of the upper cover section, the sampling platform is installed at the upper end of the crawling ladder in a butt joint mode, and the sampling platform is sleeved with the sampling platform and fixedly installed outside the exhaust chimney. This VOCs tail gas adsorption equipment adopts neotype structural design for this device can be to the VOCs adsorption treatment in the tail gas, and the gas after handling can directly discharge for gas up to standard, and can derive regeneration treatment to the active carbon gas in the device, makes the active carbon can recycle.

Description

VOCs tail gas adsorption equipment

Technical Field

The utility model relates to the technical field of VOCs tail gas treatment, in particular to VOCs tail gas adsorption equipment.

Background

Most chemical industry manufacturers all can produce tail gas at present in the production process, in order not to pollute the atmosphere, all need to handle the tail gas of its production, then just can the evacuation, however at present in some organic chemical industry manufacturers, the tail gas that they produced often has a large amount of low boiling organic matters, however the tail gas absorption system that they used can not effectual recovery these organic matters yet, and directly discharged in the atmosphere, brought the atmosphere pollution, the waste of material has also been caused simultaneously, current some tail gas adsorption treatment equipment still have certain problem in the in-process that uses:

among the current fixed bed adsorption equipment, equipment volume is too big, and the absorption of active carbon with take off and go on in same equipment segmentation, this can make whole system need two adsorption equipment at least, go on when just can guaranteeing to adsorb the desorption, get off whole system cost increase like this, the volume increase, and among the runner adsorption treatment system, because the material is precision problem promptly, get off for a long time and can lead to tail gas direct discharge from the runner gap, tail gas will be unable up to standard.

Therefore, a need exists to design a VOCs tail gas adsorption apparatus in response to the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide VOCs tail gas adsorption equipment, and aims to solve the problems that in the existing fixed bed adsorption equipment provided in the background art, the equipment volume is too large, and the adsorption and desorption of activated carbon are carried out in the same equipment in a segmented manner, so that the whole system needs at least two adsorption equipment to ensure that the adsorption and desorption are carried out simultaneously, the cost and the volume of the whole system are increased, and in a rotating wheel adsorption treatment system, due to the material precision problem, the tail gas is directly discharged from a rotating wheel gap for a long time, and the tail gas cannot reach the standard.

In order to achieve the purpose, the utility model provides the following technical scheme: a VOCs tail gas adsorption device is supported and arranged on the ground through a base;

a VOCs tail gas adsorption apparatus comprising:

the air inlet distributor is fixedly arranged on the upper surface of the base, an activated carbon bed is arranged at the upper end of the air inlet distributor, and an upper cover section is arranged at the upper end of the activated carbon bed;

the exhaust chimney is arranged at the upper end of the upper cover section in a penetrating and connecting mode, and a feeding port is arranged on the side face of the exhaust chimney;

the ladder stand is fixedly installed on the outer side face of the upper cover section, a sampling platform is installed at the upper end of the ladder stand in a butt joint mode, and the sampling platform is sleeved and fixedly installed outside the exhaust chimney.

Preferably, the inside of air inlet distributor is provided with a guide frame and an active carbon concentration box, the lower end of the active carbon concentration box is connected with a discharge pipe in a penetrating way, the air inlet distributor controls the air to enter the device, and the air moves upwards to enter the upper cover section at the upper end through the guide frame.

Preferably, the guide frame and the activated carbon concentration box are arranged in parallel and correspondingly from left to right, the upper surface of the guide frame is of an inclined structure, the filter screen plate is fixedly installed in the inclined surface at the upper end of the guide frame in an embedded mode, and activated carbon of the activated carbon bed can be controlled to enter the activated carbon concentration box on the side face through the guide frame.

Preferably, the inside of active carbon bed is provided with 6 charcoal bedstead groups side by side from top to bottom, and charcoal bed frame link up with upper cover section and air intake distributor inside each other from top to bottom respectively, and gaseous behind the active carbon adsorption on the charcoal bed frame, inside VOCs is mostly adsorbed and is handled, improves the effect that the device handled tail gas.

Preferably, the side of the air inlet distributor is internally provided with an observation window in a mosaic manner, the observation window corresponds to the activated carbon concentration box and the guide frame, and the condition inside the device can be observed conveniently through the observation window.

Preferably, the lightning rod is fixedly installed on the outer side face of the exhaust chimney and is in penetrating connection with the sampling platform, the sampling port is fixedly embedded in the front side of the exhaust chimney, and the lightning rod can be arranged to increase the application safety of the device.

Preferably, the position of the sampling port corresponds to the position of the sampling platform.

Compared with the prior art, the utility model has the beneficial effects that: this VOCs tail gas adsorption equipment adopts neotype structural design for VOCs in the absorption treatment tail gas that this device can be better, improve the device and handle the effect of tail gas, its concrete content is as follows:

1. the VOCs tail gas adsorption equipment is provided with a graded carbon bed frame adsorption treatment structure, tail gas enters the interior of an active carbon bed through an air inlet distributor, gas is sequentially contacted with the vertically arranged carbon bed frames in the upward moving process, the active carbon on the carbon bed frames adsorbs the VOCs in the tail gas, the treated gas can be directly discharged outwards through an upper cover section and an exhaust chimney, the active carbon enters the interior of an active carbon concentration box through a guide frame, the active carbon in the active carbon concentration box is controlled to be conveyed to desorption equipment through an external conveying device for desorption and regeneration, and finally the adsorbed active carbon is conveyed back to the adsorption equipment through a fixing port of the upper cover section, so that the cyclic utilization of the active carbon is completed;

2. this VOCs tail gas adsorption equipment, tail gas process active carbon bed section and the VOCs that wherein contains are adsorbed the back, for tail gas up to standard promptly, directly discharge to the atmosphere through the exhaust chimney in, can guarantee that VOCs composition is far below the national standard of injecing in the tail gas this moment, can crawl to the sampling platform on from the sampling port gather the tail gas after the absorption and carry out concentration or assay through the cat ladder.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a schematic view of the backside structure of the present invention;

FIG. 4 is a schematic diagram of the right-view structure of the present invention;

FIG. 5 is a front view of the carbon bed frame of the present invention;

fig. 6 is a schematic view of a front partial structure of the lightning rod according to the utility model.

In the figure: 1. a base; 2. an intake air distributor; 3. an activated carbon bed; 4. an upper cover section; 5. an exhaust stack; 6. a feed port; 7. climbing a ladder; 8. a sampling platform; 9. a lightning rod; 10. an observation window; 11. a guide frame; 12. an active carbon concentration box; 13. a discharge pipe; 14. a charcoal bed frame; 15. a sampling port; 16. a filter screen plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a VOCs tail gas adsorption device is supported and arranged on the ground through a base 1;

a VOCs tail gas adsorption apparatus comprising:

the air inlet distributor 2 is fixedly arranged on the upper surface of the base 1, an activated carbon bed 3 is arranged at the upper end of the air inlet distributor 2, and an upper cover section 4 is arranged at the upper end of the activated carbon bed 3;

the exhaust chimney 5 is arranged at the upper end of the upper cover section 4 in a penetrating way, and a feeding port 6 is arranged on the side surface of the exhaust chimney 5;

the crawling ladder 7 is fixedly mounted on the outer side face of the upper cover section 4, the sampling platform 8 is mounted at the upper end of the crawling ladder 7 in a butt joint mode, and the sampling platform 8 is sleeved and fixedly mounted outside the exhaust chimney 5.

In this example, a guide frame 11 and an active carbon concentration box 12 are arranged in the air inlet distributor 2, and a discharge pipe 13 is connected to the lower end of the active carbon concentration box 12 in a penetrating way; the guide frame 11 and the activated carbon collecting box 12 are arranged in parallel and corresponding left and right, the upper surface of the guide frame 11 is in an inclined structure, and a filter screen plate 16 is fixedly embedded in the inclined surface at the upper end of the guide frame 11; 6 groups of charcoal bed frames 14 are arranged inside the activated charcoal bed 3 in parallel up and down, and the charcoal bed frames 14 are communicated with the upper cover section 4 and the inside of the air inlet distributor 2 up and down respectively;

controlling tail gas to enter the inside of the gas inlet distributor 2, enabling the tail gas in the gas inlet distributor 2 to be upwards transmitted, firstly passing through a filter screen plate 16 embedded in the guide frame 11, carrying out primary filtering treatment on the tail gas by the filter screen plate 16, filtering partial impurity particles in the tail gas, continuously moving the gas upwards to enter the inside of an active carbon bed 3 corresponding to the upper end, adsorbing most VOCs in the tail gas by active carbon through the active carbon on a plurality of groups of carbon bed frames 14 arranged at equal intervals in the active carbon bed 3, enabling the treated gas to enter the upper cover section 4, finally upwards moving and discharging through an exhaust chimney 5 communicated with the upper end, rapidly and effectively controlling gas treatment and discharge, wherein the discharged gas is up-to-standard tail gas, directly discharged into the atmosphere through an exhaust chimney 5, the VOCs component in the tail gas can be ensured to be far lower than the national limit standard, the tail gas after adsorption can be collected from the sampling port 15 to be subjected to concentration or content determination after crawling to the sampling platform 8 through the crawling ladder 7.

An observation window 10 is embedded in the side surface of the air inlet distributor 2, and the positions of the observation window 10, the active carbon concentration box 12 and the guide frame 11 correspond to each other; a lightning rod 9 is fixedly installed on the outer side surface of the exhaust chimney 5, the lightning rod 9 is in through connection with the sampling platform 8, and a sampling port 15 is embedded and fixed in the front side of the exhaust chimney 5; the position of the sampling port 15 corresponds to the position of the sampling platform 8;

observe the inside structural conditions of distributor 2 that admits air through observation window 10, can control the active carbon slant after adsorbing VOCs through guide frame 11 and slide to active carbon concentrate case 12 inside, control the outside output of active carbon in the active carbon concentrate case 12 through discharging pipe 13, carry the active carbon after adsorbing to desorption equipment through external conveyor and carry out the desorption regeneration, send back adsorption equipment through the pay-off mouth 6 of upper cover section 4 top again at last, accomplish the cyclic utilization of active carbon.

The working principle is as follows: when the device is used, according to the structure shown in fig. 1-6, after tail gas enters the interior of the gas inlet distributor 2, the gas moves upwards, firstly, the gas is filtered by the filter screen plate 16 embedded in the guide frame 11, then the gas enters the interior of the activated carbon bed 3, VOCs in the tail gas are adsorbed under the adsorption action of the carbon bed frames 14 parallel up and down, the treated gas reaches the standard, the gas is discharged outwards through the exhaust chimney 5, the activated carbon can be controlled to enter the interior of the activated carbon concentration box 12 corresponding to the side face through the guide frame 11, the activated carbon can be controlled to be output outwards to desorption equipment for regeneration, and finally, the regenerated activated carbon is reintroduced into the interior of the activated carbon bed 3, so that the activated carbon can be controlled to be recycled.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A VOCs tail gas adsorption device is supported and arranged on the ground through a base (1);

it is characterized by comprising:

the air inlet distributor (2) is fixedly arranged on the upper surface of the base (1), an activated carbon bed (3) is arranged at the upper end of the air inlet distributor (2), and an upper cover section (4) is arranged at the upper end of the activated carbon bed (3);

the exhaust chimney (5) is arranged at the upper end of the upper cover section (4) in a run-through manner, and a feeding port (6) is arranged on the side surface of the exhaust chimney (5);

the device comprises a crawling ladder (7) which is fixedly arranged on the outer side face of the upper cover section (4), a sampling platform (8) is installed at the upper end of the crawling ladder (7) in a butt joint mode, and the sampling platform (8) is sleeved and fixedly arranged on the outer portion of the exhaust chimney (5).

2. The VOCs tail gas adsorption plant of claim 1, wherein: the inside of distributor (2) admits air installs guide frame (11) and active carbon centralized box (12), just the lower extreme through connection of active carbon centralized box (12) has discharging pipe (13).

3. The VOCs tail gas adsorption plant of claim 2, wherein: the guide frame (11) and the activated carbon concentration box (12) are arranged in parallel and correspond to each other left and right, the upper surface of the guide frame (11) is of an inclined structure, and a filter screen plate (16) is fixedly installed in the inclined surface at the upper end of the guide frame (11) in an embedded mode.

4. The VOCs tail gas adsorption plant of claim 1, wherein: the interior of the active carbon bed (3) is provided with 6 groups of carbon bed frames (14) in parallel up and down, and the carbon bed frames (14) are communicated with the upper cover section (4) and the interior of the air inlet distributor (2) up and down.

5. The VOCs tail gas adsorption equipment of claim 4, characterized in that: an observation window (10) is embedded in the side surface of the air inlet distributor (2), and the positions of the observation window (10), the active carbon concentration box (12) and the guide frame (11) correspond to each other.

6. The VOCs tail gas adsorption plant of claim 1, wherein: the lightning rod (9) is fixedly installed on the outer side face of the exhaust chimney (5), the lightning rod (9) is in penetrating connection with the sampling platform (8), and the sampling port (15) is fixedly embedded in the front side of the exhaust chimney (5).

7. The VOCs tail gas adsorption equipment of claim 6, characterized in that: the position of the sampling port (15) corresponds to the position of the sampling platform (8).

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