CN215539614U

CN215539614U - Adsorption purification structure

Info

Publication number: CN215539614U
Application number: CN202121283005.1U
Authority: CN
Inventors: 周俊杭
Original assignee: Zhejiang Zhouyang Environmental Protection Technology Co ltd
Current assignee: Zhejiang Zhouyang Environmental Protection Technology Co ltd
Priority date: 2021-04-23
Filing date: 2021-06-09
Publication date: 2022-01-18
Anticipated expiration: 2031-06-09

Abstract

The utility model provides an adsorption purification structure, which comprises a hollow cavity, wherein an adsorption unit is arranged in the cavity, at least one layer of adsorption unit is arranged in the adsorption unit, and the adsorption unit is movably arranged in a tower body; the adsorption unit comprises a plurality of groups of adsorption components provided with adsorption media; the flue gas is fully subjected to dioxin adsorption treatment by utilizing the multi-layer adsorption units, so that the low-flow-rate multi-stage honeycomb adsorption medium is efficiently adsorbed, and the dioxin content in the sintered flue gas can meet the emission standard requirement; the adsorption component is designed in a drawing mode, so that the subsequent use process can be replaced conveniently.

Description

Adsorption purification structure

Technical Field

The utility model relates to the technical field of flue gas treatment equipment, in particular to an adsorption purification structure.

Background

Dioxin is a common name of a polychlorinated triepoxide heteroaromatic toxic chemical substance. Dioxin is a mixture consisting of more than 200 isomers, homologues and the like, is a very stable compound, is a colorless solid at normal temperature, is slightly soluble in most organic solvents, is very insoluble in water, and has a high melting point and a high boiling point.

Chinese patent CN206315602U discloses a dioxin removal system, which includes: the device comprises a chilling tower, a Venturi scrubber, a washing liquid storage tank, an active carbon adsorption tower and an active carbon bin. This dioxin desorption system, through quench tower, venturi scrubber and active carbon adsorption tower desorption dioxin jointly, overcome the single problem of current dioxin desorption device, realized that the dioxin once only thoroughly gets rid of, the dioxin clearance is high.

However, the method of spraying activated carbon powder in the technical scheme can not stably remove the harmful substances and can not ensure stable reaching of emission indexes.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an adsorption purification structure, which utilizes multi-layer adsorption units to fully adsorb dioxin in flue gas, and realizes high-efficiency adsorption of low-flow-rate multi-stage honeycomb adsorption media, so that the dioxin content in the sintering flue gas can meet the emission standard requirement; the adsorption component is designed in a drawing mode, so that the subsequent use process can be replaced conveniently.

In order to achieve the purpose, the utility model provides the following technical scheme:

an adsorption purification structure comprises a hollow cavity body and is characterized in that an adsorption unit is arranged in the cavity body.

As an improvement, the adsorption unit is provided with at least one layer.

As an improvement, the adsorption unit is movably arranged in the cavity.

As an improvement, the adsorption unit is horizontally arranged in the cavity in a sliding manner.

As a refinement, the adsorption unit comprises a plurality of groups of adsorption components provided with adsorption media.

As a refinement, the adsorption medium is of a honeycomb structure.

As an improvement, the adsorption medium is made of any one of activated carbon, zeolite molecular sieve, attapulgite and ceramic membrane.

As an improvement, a plurality of groups of keel frames are arranged in the cavity along the vertical direction.

As an improvement, the adsorption unit further comprises a tray arranged on the keel frame in a sliding manner, and the adsorption medium is provided with a plurality of groups and is linearly arranged on the tray.

As an improvement, a window which horizontally penetrates through the cavity is formed in one side of the cavity, and the arrangement height of the adsorption units is matched with the height of the window.

The utility model has the beneficial effects that:

(1) according to the utility model, the dioxin adsorption treatment is fully carried out on the flue gas by utilizing the multi-layer adsorption units, so that the high-efficiency adsorption of the low-flow-rate multi-stage honeycomb adsorption medium is realized, and the dioxin content in the sintering flue gas can reach the emission standard requirement;

(2) the adsorption medium adopts the honeycomb structure made of any one of active carbon, zeolite molecular sieve, attapulgite and ceramic membrane, and has good adsorption effect and high dioxin removal rate;

(3) the utility model utilizes the drawing type adsorption component, thereby facilitating the replacement of the follow-up use process;

(4) after the adsorption of the adsorption medium is finished, the adsorption medium is intensively recycled, so that secondary pollution is avoided;

in conclusion, the utility model has the advantages of simple structure, good dioxin adsorption treatment effect, reusable adsorption medium, convenient replacement and the like.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the arrangement structure of a plurality of groups of adsorption units according to the present invention;

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

FIG. 4 is a schematic view of the structure of the adsorption assembly of the present invention;

FIG. 5 is a schematic perspective view of an adsorbent media according to the present invention;

FIG. 6 is a schematic top view of an adsorbent media according to the present invention;

FIG. 7 is a schematic view of a tray structure according to the present invention;

fig. 8 is a schematic view of the keel structure of the utility model.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Examples

As shown in fig. 1-2, an adsorption purification structure comprises a hollow cavity 1, wherein an adsorption unit 2 is movably arranged in the cavity 1;

it should be noted that the bottom end of the cavity is an air inlet end 100, and the top end is an air outlet end 200; the adsorption unit 2 is arranged between the air inlet end and the air outlet end; wherein the cavity 1 can be matched and connected with the top of an adsorption tower for waste gas treatment.

Preferably, as shown in fig. 2, the adsorption unit 2 is provided with at least one layer;

it should be noted that, the multi-layer adsorption units 2 are used to realize the high-efficiency adsorption of the low-flow-rate multi-stage honeycomb adsorption medium, so that the dioxin content in the sintering flue gas can meet the emission standard requirement.

Preferably, the adsorption unit 2 is movably arranged in the cavity 1.

Further, the adsorption unit 2 is horizontally arranged in the cavity 1 in a sliding manner.

As a modification, the adsorption unit 2 includes several groups of adsorption assemblies 20 arranged side by side with adsorption media 22.

Preferably, the adsorbent media 22 is a honeycomb structure.

Further, the adsorption medium 22 is made of any one of activated carbon, zeolite molecular sieve, attapulgite and ceramic membrane; the adsorption media 22 described above are not limited to the above four types, and adsorption media having an effect of removing dioxin can be used as an alternative of the present invention.

In this embodiment, as shown in fig. 8, a plurality of groups of keel frames 3 are uniformly distributed in the cavity 1 along the vertical direction; the keel frame 3 is of a hollow structure, and the hollow structure is designed, so that the circulation efficiency of the flue gas is improved, and the treatment effect of the flue gas is further improved;

the adsorption units 2 are arranged on the corresponding keel frames 3 in a sliding mode.

It should be noted that the keel frame 3 is detachably mounted in the cavity 1, wherein the side wall of the cavity 1 is provided with a supporting block, and the keel frame 3 is arranged above the supporting block and connected with each other.

The adsorption unit 2 further comprises a tray 21 arranged on the keel frame 3 in a sliding manner, and the adsorption media 22 are arranged in a plurality of groups and linearly arranged on the tray 21; the tray 21 is a hollow structure.

As a modification, as shown in FIG. 5, the honeycomb activated carbon 22 has a length L, a width W, and a height H in the size range of 90 to 200 mm; preferably 100X100mm or 150X150 mm;

as shown in fig. 6, the wall thickness a of the activated carbon on the group of the honeycomb-shaped activated carbon 22 is 0.4 to 0.7 mm; wherein 0.5-0.6mm is preferred; through practical tests, the activated carbon with the thickness has the highest dioxin adsorption efficiency and the highest activated carbon utilization rate.

In this embodiment, a window 11 horizontally penetrating through the cavity 1 is formed in one side of the cavity 1, and the arrangement height of the adsorption units 2 is matched with the height of the window 11.

It should be noted that the total heights of the groups of adsorption units 2 are all located within the cross section of the window 11, so that the subsequent replacement of the carbon adsorption units 2 is facilitated.

Preferably, as shown in fig. 7, the tray 21 is provided with a handle 211 on a side facing the window 11.

Preferably, as shown in fig. 1, a door 12 for opening or closing the window 11 is vertically or horizontally rotatably provided on the window 11.

It should be noted that the adsorption unit 2 is slidably arranged above the keel frame, and the window formed in the side surface of the cavity is used for facilitating subsequent disassembly and replacement of the honeycomb-shaped activated carbon 22, so that the activated carbon full of dioxin is recycled and replaced by new activated carbon, and the production efficiency is improved; the saturated honeycomb activated carbon 22 is recycled after being burned, decomposed and reduced, and the recycled activated carbon is recycled for three times.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. An adsorption purification structure comprises a hollow cavity (1), and is characterized in that an adsorption unit (2) is arranged in the cavity (1);

the adsorption unit (2) comprises a plurality of groups of adsorption components (20) provided with adsorption media (22);

the adsorption medium (22) is of a honeycomb structure;

a plurality of groups of keel frames (3) are arranged in the cavity (1) along the vertical direction;

the adsorption unit (2) further comprises a tray (21) which is arranged on the keel frame (3) in a sliding mode, and the adsorption medium (22) is provided with a plurality of groups and is linearly arranged on the tray (21).

2. An adsorption purification structure according to claim 1, wherein the adsorption unit (2) is provided with at least one layer.

3. An adsorption purification structure according to claim 1, wherein the adsorption unit (2) is horizontally slidably arranged in the chamber (1).

4. An adsorption purification structure according to claim 1, wherein the adsorption medium (22) is made of any one of activated carbon, zeolite molecular sieve, attapulgite, ceramic membrane.

5. The adsorption purification structure according to claim 1, wherein a window (11) horizontally penetrating through the cavity (1) is formed in one side of the cavity (1), and the arrangement height of the adsorption units (2) is matched with the height of the window (11).