CN216630125U

CN216630125U - Natural gas combustion waste gas purification device

Info

Publication number: CN216630125U
Application number: CN202220019668.0U
Authority: CN
Inventors: 王荣生; 施正林; 朱峰
Original assignee: Jiangsu Fengmang Compound Material Science&tech Group Co ltd
Current assignee: Jiangsu Fengmang Compound Material Science&tech Group Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-05-31
Anticipated expiration: 2032-01-05

Abstract

The utility model relates to the technical field of waste gas purification, in particular to a natural gas combustion waste gas purification device, which comprises: the air inlet of the purification box is connected with the waste gas pipeline, and the air outlet of the purification box is connected with the induced draft fan; the inside of purifying box is equipped with gas filtration cavity and gas purification cavity, and gas filtration cavity and gas purification cavity intercommunication are equipped with the dry-type filter in the gas filtration cavity, are equipped with one-level active carbon adsorption board, second grade active carbon adsorption board and tertiary active carbon adsorption board along the gas flow direction interval in the gas purification cavity. Through the setting of dry-type filter, dust granule and water smoke in the gas have been reduced, and multistage active carbon adsorption board further adsorbs organic solvent on the active carbon surface, gets rid of the organic matter in the waste gas, reaches the purge gas effect, and exhaust gas purification device adopts dry-type filtration and multistage active carbon adsorption, and purification process is simple, compact structure, and the cost of building is low, and area is little, is applicable to the use of medium and small enterprise.

Description

Natural gas combustion waste gas purification device

Technical Field

The utility model relates to the technical field of waste gas purification, in particular to a natural gas combustion waste gas purification device.

Background

In the production process of the abrasive cloth, a large number of drying rooms are needed to dry the cleaned base cloth and the coated adhesive layer. The drying room usually uses a steam circulation mode, i.e. a steam boiler generates high-temperature steam and then sends the steam to a radiating fin arranged in the drying room, so as to heat the air in the drying room and finally realize the drying effect, while the main heat generation mode of the steam boiler is coal burning, so that a large amount of flue gas can be generated, and the flue gas contains smoke dust particles which seriously pollute the environment, such as fine powder, coal ash and the like. At present, natural gas is directly combusted to generate hot air which is sent to each workshop to be dried, but the combustion of the natural gas can generate a large amount of CO2, a small amount of CO, SO2, NxO and the like. Where both SO2, NxO are the main pollutants for acid rain formation. If the gas after the combustion of the natural gas is directly discharged without purification, serious air pollution can be caused, in addition, the existing purification mode for the combustion gas of the natural gas is more complicated, the construction cost is higher, the occupied area is larger, and the natural gas purification device is not suitable for being used by small and medium-sized enterprises.

SUMMERY OF THE UTILITY MODEL

The utility model provides a natural gas combustion waste gas purification device, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that: a natural gas combustion exhaust gas purification device comprising: the air inlet of the purification box is connected with a waste gas pipeline, and the air outlet of the purification box is connected with an induced draft fan;

the inside of purifying box is equipped with gas filtration cavity and gas purification cavity, the gas filtration cavity with gas purification cavity intercommunication, the gas filtration cavity sets up and is being close to one side of exhaust duct, the gas purification cavity sets up and is being close to one side of draught fan, be equipped with the dry-type filter in the gas filtration cavity, be equipped with one-level active carbon adsorption board, second grade active carbon adsorption board and tertiary active carbon adsorption board along the gas flow direction interval in the gas purification cavity.

Furthermore, one side of the purifying box, which is close to the dry-type filter plate, is provided with an observation door.

Furthermore, the first-stage active carbon adsorption plate, the second-stage active carbon adsorption plate and the third-stage active carbon adsorption plate are distributed in an S shape, and a flow distribution plate is arranged between every two active carbon adsorption plates.

Further, the flow distribution plate is of a Z-shaped structure.

Furthermore, a glass wool fiber filter material is arranged in the dry filter plate.

Furthermore, the first-stage activated carbon adsorption plate, the second-stage activated carbon adsorption plate and the third-stage activated carbon adsorption plate respectively comprise frameworks and activated carbon layers clamped between the two frameworks.

Furthermore, the framework comprises a frame and a grid which is composed of a plurality of cross beams and a plurality of longitudinal beams.

Furthermore, the positions of the upper part of the purifying box, which correspond to the first-stage activated carbon adsorption plate, the second-stage activated carbon adsorption plate and the third-stage activated carbon adsorption plate one by one, are provided with replacing ports.

Furthermore, the observation door comprises a door body, a rotating pressing piece and a sealing piece, wherein the rotating pressing piece is used for pressing the door body and the purification box, and the sealing piece is attached to the door body.

Further, the sealing element is a sponge rubber strip.

The utility model has the beneficial effects that: the dry filter plate reduces dust particles and water mist in gas, the multi-stage activated carbon adsorption plate further adsorbs an organic solvent on the surface of the activated carbon to remove organic matters in waste gas and achieve the effect of purifying the gas, and the waste gas purification device adopts dry filtration and multi-stage activated carbon adsorption, so that the purification process is simple, the structure is compact, the construction cost is low, the occupied area is small, and the device is suitable for being used by small and medium-sized enterprises.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a natural gas combustion exhaust gas purification apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a purification box according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a purification tank in an embodiment of the utility model;

FIG. 4 is a schematic structural diagram of a skeleton of an activated carbon adsorption plate according to an embodiment of the present disclosure;

FIG. 5 is an enlarged view of a portion of FIG. 2;

FIG. 6 is a schematic view of the arrangement of the activated carbon layer in the primary activated carbon adsorption plate according to the embodiment of the present invention;

FIG. 7 is a schematic view of the arrangement of the activated carbon layer in the secondary activated carbon adsorption plate according to the embodiment of the present invention;

fig. 8 is a schematic layout view of activated carbon layers in a three-stage activated carbon adsorption plate according to an embodiment of the present invention.

Reference numerals: 1. a purification box; 2. an induced draft fan; 3. an exhaust gas conduit; 4. a dry filter plate; 5. a primary activated carbon adsorption plate; 6. a secondary activated carbon adsorption plate; 7. a third-stage activated carbon adsorption plate; 8. an observation door; 9. a flow distribution plate; 10. the port is replaced.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The natural gas combustion exhaust gas purification apparatus shown in fig. 1 to 8 includes: an air inlet of the purification box 1 is connected with a waste gas pipeline 3, and an air outlet of the purification box 1 is connected with an induced draft fan 2; the inside of purifying box 1 is equipped with gas filtration cavity and gas purification cavity, and gas filtration cavity and gas purification cavity intercommunication, gas filtration cavity set up in the one side that is close to exhaust gas line 3, and gas purification cavity sets up in the one side that is close to draught fan 2, is equipped with dry filter 4 in the gas filtration cavity, and the interval is equipped with one-level active carbon adsorption board 5, second grade active carbon adsorption board 6 and tertiary active carbon adsorption board 7 in the gas purification cavity.

In the utility model, the induced draft fan 2 sucks waste gas into the purification box 1 from an air inlet, the waste gas is adsorbed and filtered by the dry filter plate 4, the primary activated carbon adsorption plate 5, the secondary activated carbon adsorption plate 6 and the tertiary activated carbon adsorption plate 7, and finally the purified gas is discharged from an air outlet of the induced draft fan 2. Through the setting of dry-type filter, dust particles and water smoke in the gas have been reduced, and multistage active carbon adsorption board further adsorbs organic solvent on the active carbon surface, gets rid of the organic matter in the waste gas, reaches the purge gas effect, and exhaust gas purification device adopts dry-type filtration and multistage active carbon adsorption, and purification process is simple, compact structure, and the cost of building is low, and area is little, is applicable to the use of medium and small enterprise.

In the preferred embodiment of the utility model, the observation door 8 is arranged on one side of the purifying box 1 close to the dry-type filter plate 4, and the purifying condition in the purifying box 1 is observed through the observation door 8, so that the dry-type filter plate 4 in the gas filter chamber can be cleaned in time.

Specifically, observation door 8 compresses tightly the piece including the door body, and the rotating that is used for compressing tightly the door body and purifying box 1 to and set up the sealing member on the door body, and the sealing member chooses the sponge rubber strip for use, avoids gaseous leakage, improves the leakproofness between observation door 8 and the purifying box 1, guarantees purifying box 1's practicality.

In order to improve the purification efficiency of purifying box 1, one-level active carbon adsorption plate 5, second grade active carbon adsorption plate 6 and tertiary active carbon adsorption plate 7 are the S type and distribute, and are equipped with flow distribution plate 9 between two liang, and flow distribution plate 9 is Z type structure.

Specifically, the gas after the dry filter plate filters enters a gas purification chamber, enters a first-stage activated carbon adsorption plate 5, a second-stage activated carbon adsorption plate 6 and a third-stage activated carbon adsorption plate 7, and the gas purification chamber is divided into three purification channels by the arrangement of the flow distribution plate 9, so that the gas purification efficiency is improved, and the S-shaped distribution form enables the structure in the purification box 1 to be more compact, reduces the occupied area of the purification box 1 and reduces the construction cost.

In the embodiment of the utility model, a glass wool fiber filter material is arranged in the dry filter plate 4. The dry type filter plate 4 does not need water during filtering, effectively intercepts dust particles and water vapor, does not produce secondary pollution, protects the environment, saves energy and reduces the consumption cost.

In order to facilitate the reuse of the purification box 1, the first-stage activated carbon adsorption plate 5, the second-stage activated carbon adsorption plate 6 and the third-stage activated carbon adsorption plate 7 respectively comprise a framework and an activated carbon layer fixedly arranged between the two frameworks.

Specifically, the active carbon layer on the one-level active carbon adsorption plate 5 sets up in the left side, and the active carbon layer on the second grade active carbon adsorption plate 6 sets up in the centre, and the active carbon layer on the tertiary active carbon adsorption plate 7 sets up on the right side, through setting up the active carbon layer on the skeleton, after adsorbing saturation, only need change the active carbon layer, has reduced the purification cost.

On the basis of the embodiment, the framework comprises the frame and the grid which is composed of the plurality of cross beams and the plurality of longitudinal beams, so that the contact area of the activated carbon layer and the gas is ensured, and the purification efficiency is improved.

In order to improve the convenience of the replacement of the activated carbon layer, the positions of the upper part of the purifying box 1 corresponding to the first-stage activated carbon adsorption plate 5, the second-stage activated carbon adsorption plate 6 and the third-stage activated carbon adsorption plate 7 are provided with replacement ports 10.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A natural gas combustion exhaust gas purification apparatus, characterized by comprising: the air purifier comprises a purification box (1), wherein an air inlet of the purification box (1) is connected with a waste gas pipeline (3), and an air outlet of the purification box (1) is connected with an induced draft fan (2);

the inside of purifying box (1) is equipped with gas filtration cavity and gas purification cavity, the gas filtration cavity with gas purification cavity intercommunication, the gas filtration cavity sets up and is being close to one side of exhaust duct (3), the gas purification cavity sets up and is being close to one side of draught fan (2), be equipped with dry filter (4) in the gas filtration cavity, be equipped with one-level active carbon adsorption board (5), second grade active carbon adsorption board (6) and tertiary active carbon adsorption board (7) along the gas flow direction interval in the gas purification cavity.

2. The purification apparatus for natural gas combustion exhaust gas as claimed in claim 1, wherein a viewing door (8) is provided on a side of the purification tank (1) adjacent to the dry filter plate (4).

3. The purification device for natural gas combustion exhaust gas as claimed in claim 1, wherein the primary activated carbon adsorption plate (5), the secondary activated carbon adsorption plate (6) and the tertiary activated carbon adsorption plate (7) are distributed in an S shape, and a flow distribution plate (9) is arranged between each two activated carbon adsorption plates.

4. A natural gas combustion exhaust gas purification apparatus as claimed in claim 3, wherein the flow distribution plate (9) is of a Z-shaped structure.

5. The purification apparatus for natural gas combustion exhaust gas as claimed in claim 1, wherein a glass wool fiber filter material is provided in the dry filter plate (4).

6. The device for purifying combustion exhaust gas from natural gas according to claim 1, wherein the primary activated carbon adsorption plate (5), the secondary activated carbon adsorption plate (6) and the tertiary activated carbon adsorption plate (7) each comprise a framework and an activated carbon layer sandwiched between the two frameworks.

7. The natural gas combustion exhaust gas purification device as claimed in claim 6, wherein the framework comprises a frame, and a grid composed of a plurality of cross beams and a plurality of longitudinal beams.

8. The device for purifying combustion exhaust gas of natural gas as claimed in claim 1, wherein the positions of the upper part of the purifying box (1) corresponding to the primary activated carbon adsorption plate (5), the secondary activated carbon adsorption plate (6) and the tertiary activated carbon adsorption plate (7) are provided with replacing ports (10).

9. The purification device for natural gas combustion exhaust gas as claimed in claim 2, wherein the observation door (8) comprises a door body, a rotary pressing member for pressing the door body and the purification box (1), and a sealing member for fitting the door body.

10. The natural gas combustion exhaust gas purification device as claimed in claim 9, wherein the sealing member is a sponge rubber strip.