CN215112666U

CN215112666U - VOCs heat accumulation formula catalytic combustion device

Info

Publication number: CN215112666U
Application number: CN202120882107.9U
Authority: CN
Inventors: 丁建国
Original assignee: Kunshan Gongtong Environmental Technology Co ltd
Current assignee: Kunshan Gongtong Environmental Technology Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-10
Anticipated expiration: 2031-04-27

Abstract

The utility model relates to a VOCs heat accumulating type catalytic combustion device, which comprises an air inlet pipe, wherein one end of the air inlet pipe is connected with a first fan; one end of the conveying pipe is connected with the first fan, and the other end of the conveying pipe is arranged on the side wall of the bottom of the box body; the purified water tank is arranged at the bottom of the tank body; the bubbling pipe is arranged in the purified water tank at the bottom of the tank body, one end of the bubbling pipe is arranged in the conveying pipe, the other end of the bubbling pipe is arranged on the other side wall of the bottom of the tank body, the bubbling pipe is horizontally arranged in the purified water tank at the bottom of the tank body, and the bubbling pipe is provided with an air outlet; one side of the upper surface of the purified water tank is provided with a high-efficiency filter; the heat accumulation body layer is arranged on the high-efficiency filter, and the heat accumulation body layer and the high-efficiency filter are both arranged on one side of the upper part of the box body; a drainage fan is also arranged on the inner wall of the upper part of the box body; and a catalyst layer is also arranged on the other side of the upper part of the box body. The utility model discloses can carry out the preliminary treatment to volatile organic compounds before the burning, improve the combustion effect to collect special processing to the lime-ash after the burning.

Description

VOCs heat accumulation formula catalytic combustion device

Technical Field

The utility model belongs to the gaseous processing field that can volatilize, concretely relates to VOCs heat accumulation formula catalytic combustion device.

Background

A Regenerative Catalytic Oxidation (RCO) treatment process is developed on the basis of catalytic combustion, and a heat accumulator and a switching valve are added to control the direction of air flow to preheat waste gas, so that the waste gas reaches a certain temperature and then undergoes catalytic oxidation reaction, thereby greatly reducing energy consumption.

However, the catalytic combustion device for VOCs has certain defects, for example, during combustion, since VOCs may contain dust particles which cannot be combusted, the dust particles are easily accumulated in the combustion furnace, and the combustion effect is affected; the ash slag generated after the volatile organic compounds are burnt is accumulated in the combustion furnace and even blocked, so that the effect of the heat accumulator and the catalyst is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a VOCs heat accumulation formula catalytic combustion device, the device carry out the preliminary treatment to volatile organic compounds before the burning, improve the combustion effect to collect special treatment to the lime-ash after the burning.

The utility model provides a following technical scheme:

a heat accumulating type catalytic combustion device for VOCs comprises an air inlet pipe, wherein one end of the air inlet pipe is connected with a first fan; one end of the conveying pipe is connected with the first fan, and the other end of the conveying pipe is installed on the side wall of the bottom of the box body;

the purified water tank is arranged at the bottom of the tank body; the bubbling pipe is arranged in the purified water tank at the bottom of the tank body; one end of the bubbling pipe is arranged in the conveying pipe, the other end of the bubbling pipe is arranged on the other side wall of the bottom of the box body, the bubbling pipe is horizontally arranged in the purification water tank at the bottom of the box body, and the bubbling pipe is provided with an air outlet;

the high-efficiency filter is mounted on one side of the upper surface of the purification water tank;

the heat accumulation layer is arranged on the high-efficiency filter, and the heat accumulation layer and the high-efficiency filter are both arranged on one side of the upper part of the box body;

the drainage fan is further mounted on the inner wall of the upper part of the box body;

the catalyst layer is further mounted on the other side of the upper part of the box body;

the waste residue collecting box is arranged below the catalyst layer, a pulley is arranged at the bottom of the waste residue collecting box, the pulley is arranged in a chute, and the chute is arranged on the inner wall of the box body;

the locking piece is installed outside the waste residue collection box.

As the utility model discloses a further optimization scheme, the conveyer pipe is laid the box body and is held for the toper.

As a further optimization scheme of the utility model, many bubbling pipes are installed to the purifying water tank bottom.

The utility model has the advantages that:

1. volatile organic compounds are pretreated before combustion, and incombustibles are filtered, so that the full combustion is facilitated, and the combustion box is prevented from being blocked;

2. the ash slag after combustion is collected and specially treated, so that the ash slag generated after combustion is prevented from being accumulated in the combustion furnace.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the internal structure of the present invention;

labeled as: 1. an air inlet pipe; 2. a first fan; 3. a delivery pipe; 4. a bubbling tube; 5. a high efficiency filter; 6. a smoke exhaust machine; 7. a second fan; 8. a burner; 9. a heat storage layer; 10. a catalyst layer; 11. a waste residue collection box; 12. a locking member; 13. a box body; 14. a purified water tank; 15. an air outlet; 16. a chute; 17. a fan.

Detailed Description

As shown in fig. 1, a heat accumulating type catalytic combustion device for VOCs comprises an air inlet pipe 1, wherein one end of the air inlet pipe 1 is connected with a first fan 2; conveying pipe 3 one end links to each other with first fan 2, the other end enlarges gradually for the toper, the toper open end is installed on box 13 bottom lateral wall, many bubbling pipes 4 are installed to the toper end, box 13 installs bottom purified water tank 14, bubbling pipe 4 one end is installed inside conveying pipe 3, the other end is installed on another lateral wall of box 13 bottom, the level is laid in purified water tank 14 of box 13 bottom, bubbling pipe 4 is the pipe that the hollow tube has the aperture, gas can cross purified water tank 14 along the pipeline and emerge from venthole 15, in purified water tank 14, water-soluble volatile organic matter is detached.

The high-efficiency filter 5 is arranged on one side of the upper surface of the purified water tank 14, so that non-combustible volatile organic matters can be further filtered, and the formation of waste residues during combustion is reduced. The high-efficiency filter 5 is positioned in the middle of the box body 13, the heat storage body layer 9 is arranged on the high-efficiency filter 5, the heat storage body layer 9 and the high-efficiency filter 5 are arranged on one side of the upper part of the box body 13, and the drainage fan 17 is further arranged inside the upper part of the box body 13, so that the heated gas flows to the other side. The high-efficiency filter 5 can adopt superfine glass fiber filter paper and adopts a very low filtering speed, so that the screening effect and the diffusion effect on small dust particles are enhanced, and the high-efficiency filter has very high filtering efficiency.

The other side of the upper part of the box body 13 is also provided with a catalyst layer 10, a waste residue collecting box 11 is arranged below the catalyst layer 10, the bottom of the waste residue collecting box 11 is provided with pulleys, the pulleys are distributed in a sliding chute 16, and the sliding chute 16 is arranged on the inner wall of the box body 13; the locking piece 12 is installed outside the waste residue collection box 11, the waste residue collection box 11 is closed during combustion treatment, the locking piece 12 is locked, the waste residue collection box 11 is drawn out after combustion, and waste residues generated by combustion are cleaned.

A combustor 8 is installed on one side inside the top of the box body 13, a second fan 7 is installed on the outer side of the top of the box body 13, burnt gas is pumped out, and the gas is discharged through a smoke exhaust fan 6.

After the volatile organic compounds emerge from the water surface of the purified water tank 14, the volatile organic compounds continuously rise, are further filtered by the high-efficiency filter 5 and continuously rise, and the heat accumulation body layer 9 preheats the gas to the temperature set by catalytic oxidation through heat exchange; then enters the catalyst layer to complete the catalytic oxidation reaction and release a large amount of heat. The gas is discharged after the heat energy is recovered, and the expected gas purification effect is achieved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A VOCs heat accumulating type catalytic combustion device is characterized by comprising

One end of the air inlet pipe (1) is connected with the first fan (2);

one end of the conveying pipe (3) is connected with the first fan (2), and the other end of the conveying pipe (3) is installed on the side wall of the bottom of the box body (13);

the purified water tank (14), the purified water tank (14) is installed at the bottom of the box body (13);

the bubbling pipe (4), the bubbling pipe (4) is installed in the purified water tank (14) at the bottom of the box body (13); one end of the bubbling pipe (4) is arranged in the conveying pipe (3), the other end of the bubbling pipe is arranged on the other side wall of the bottom of the box body (13), the bubbling pipe (4) is horizontally arranged in a purification water tank (14) at the bottom of the box body (13), and an air outlet (15) is arranged on the bubbling pipe (4);

the high-efficiency filter (5) is mounted on one side of the upper surface of the purification water tank (14);

the heat storage layer (9) is mounted on the high-efficiency filter (5), and the heat storage layer (9) and the high-efficiency filter (5) are both mounted on one side of the upper part of the box body (13);

the drainage fan (17) is further mounted on the inner wall of the upper portion of the box body (13);

the catalyst layer (10) is further mounted on the other side of the upper part of the box body (13);

the waste residue collection box (11) is mounted below the catalyst layer (10), pulleys are mounted at the bottom of the waste residue collection box (11), the pulleys are arranged in a sliding groove (16), and the sliding groove (16) is mounted on the inner wall of the box body (13);

the combustor (8) is arranged on one side of the inside of the top of the box body (13);

and the second fan (7) is arranged on the outer side of the top of the box body (13).

The locking piece (12), the locking piece (12) is installed outside the waste residue collection box (11).

2. A regenerative catalytic combustion unit of VOCs according to claim 1, wherein said duct (3) is tapered at the end where said housing (13) is disposed.

3. A regenerative catalytic combustion apparatus for VOCs according to claim 1, wherein a plurality of bubbling tubes (4) are installed at the bottom of said purge water tank (14).