CN214619612U

CN214619612U - Heat accumulation decomposition treatment system for waste gas

Info

Publication number: CN214619612U
Application number: CN202023310759.XU
Authority: CN
Inventors: 汤红海
Original assignee: Jiangsu Dadong New Material Technology Co ltd
Current assignee: Jiangsu Dadong New Material Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-05
Anticipated expiration: 2030-12-30

Abstract

The utility model provides a heat storage decomposition treatment system for waste gas, which can ensure the full decomposition of the waste gas, improve the purification rate of the waste gas, save the fuel consumption and realize the purposes of energy conservation and environmental protection; the waste gas is connected with an air inlet of the combustion chamber after passing through the filter and the main fan, an exhaust port of the combustion chamber is divided into two paths, one path is connected with the chimney, and the other path is connected with a production workshop after sequentially passing through the heat exchanger and the induced draft fan; the heat storage type combustor is characterized in that a packed bed and a rotary distributor which are connected are arranged in the combustion chamber, an air inlet of the combustion chamber is communicated with an inlet of the rotary distributor, the packed bed is composed of a plurality of heat storage bodies, and outlets on the rotary distributor are respectively and correspondingly communicated with the heat storage bodies of the packed bed.

Description

Heat accumulation decomposition treatment system for waste gas

Technical Field

The utility model relates to an exhaust-gas treatment equipment technical field specifically is a processing system is decomposed in heat accumulation of waste gas.

Background

On the premise of continuous development of current social economy, the quality and level of daily life of people are continuously improved, the overall requirement on the environment is higher and higher, and particularly, in the development process of some industrial and chemical industries, a large amount of waste gas and pollutants can be generated, and the waste gas not only seriously threatens the daily life health of people, but also can cause severe influence on the surrounding environment.

The existing direct-fired waste gas incinerator is used for burning organic waste gas to avoid directly discharging the organic waste gas into the atmosphere, but the following defects are also existed: on one hand, incomplete oxidative decomposition of organic matters possibly occurs, so that waste gas decomposition is influenced, and the exhaust emission possibly exceeds the standard; on the other hand, the waste gas can be decomposed only when a certain temperature is reached in the hearth, and the temperature in the incinerator can be increased only when a large amount of fuel is needed, so that the fuel consumption is increased, and the purposes of energy conservation and environmental protection cannot be achieved.

Disclosure of Invention

To the above problem, the utility model provides a processing system is decomposed in heat accumulation of waste gas, it can guarantee that waste gas fully decomposes, improves the exhaust purification rate, and can save fuel consumption, realizes energy-concerving and environment-protective purpose.

The technical scheme is that, a heat accumulation of waste gas decomposes processing system, it includes the combustion chamber, its characterized in that: the waste gas is connected with an air inlet of the combustion chamber after passing through the filter and the main fan, an exhaust port of the combustion chamber is divided into two paths, one path is connected with the chimney, and the other path is connected with a production workshop after sequentially passing through the heat exchanger and the draught fan; the heat storage type combustor is characterized in that a packed bed and a rotary distributor which are connected are arranged in the combustion chamber, an air inlet of the combustion chamber is communicated with an inlet of the rotary distributor, the packed bed is composed of a plurality of heat storage bodies, and outlets on the rotary distributor are respectively and correspondingly communicated with the heat storage bodies of the packed bed.

It is further characterized in that:

the heat accumulator is made of ceramic materials, and the packed bed consists of 12 heat accumulators;

the 12 heat accumulators are annularly arranged to form an integral structure, and outlets on the rotary distributor are respectively communicated with the 12 heat accumulators correspondingly;

a combustion-supporting port is formed in the upper part of the combustion chamber to communicate combustion-supporting gas and natural gas;

the exhaust port is arranged at the upper part of the combustion chamber, the lower part of the combustion chamber is provided with an air outlet, the air outlet is communicated with the chimney, and the outlet of the heat exchanger is connected with the air outlet;

and the outer wall of the combustion chamber, which is positioned at the exhaust port and the gas outlet, is provided with a smoke detector and a water spraying device, and the smoke detector and the water spraying device are connected to a controller.

The beneficial effects of the utility model are that, waste gas is back in getting into the combustion chamber, through its inside packed bed, the cooperation of rotary distributor, not only can realize exhaust purification, and can pass the heat accumulator with the heat on the gas after purifying, make and store a large amount of heats on the heat accumulator, use with being used for next circulation heating waste gas, so constantly alternate operation, waste gas not only can be in the combustion chamber abundant oxidative decomposition, and need not the fuel heating, furthest guarantees energy cyclic utilization, fuel saving consumes, realize energy-concerving and environment-protective purpose, better economic use value has.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the combustion chamber of the present invention.

Detailed Description

As shown in fig. 1 and 2, the system for thermal storage decomposition and treatment of waste gas of the present invention comprises a combustion chamber 1, a filter 2, a main blower 3, a draught fan 4, a heat exchanger 5, and a chimney 6, wherein the waste gas passes through the filter 2 and the main blower 3 and then is connected to an air inlet 7 of the combustion chamber 1, an exhaust port 8 of the combustion chamber 1 is divided into two paths, one path is connected to the chimney 6, and the other path is connected to a production workshop 9 after passing through the heat exchanger 5 and the draught fan 4 in sequence; the combustion chamber 1 is internally provided with a packed bed and a rotary distributor 10 which are connected, an air inlet 7 of the combustion chamber 1 is communicated with an inlet of the rotary distributor 10, the packed bed is composed of a plurality of heat accumulators 11, and outlets on the rotary distributor 10 are respectively correspondingly communicated with the heat accumulators 11 of the packed bed.

The heat accumulator 11 is made of ceramic materials, and the packed bed consists of 12 heat accumulators 11; 12 heat accumulators 11 are annularly arranged to form an integrated structure, and outlets on the rotary distributor 10 are respectively communicated with the 12 heat accumulators 11 correspondingly.

The upper part of the combustion chamber 1 is provided with a combustion-supporting port 12 for communicating combustion-supporting gas 21 and natural gas 22.

The exhaust port 8 is arranged at the upper part of the combustion chamber 1, the lower part of the combustion chamber 1 is provided with an air outlet 13, the air outlet 13 is communicated with the chimney 6, and the outlet of the heat exchanger 5 is connected with the air outlet 13; the outer walls of the combustion chamber 1 at the positions of the exhaust port 8 and the air outlet 13 are respectively provided with a smoke detector 14 and a water spraying device 15, and the smoke detector 14 and the water spraying device 15 are both connected to the controller.

The utility model discloses in, rotatory distributor 10, water spray set 15, controller (not shown in the figure) all adopt current instrument and equipment, are equipped with 12 exports on the rotatory distributor 10 to be connected with 12 heat accumulator 11 are corresponding, realize that waste gas evenly gets into heat accumulator 11, make waste gas can the abundant decomposition.

A heat storage decomposition treatment method of waste gas comprises the following steps:

s1, filtering the waste gas by a filter 2, and introducing the waste gas into the combustion chamber 1 through a main fan 3;

s2, after the waste gas enters the combustion chamber 1, the rotary distributor 10 rotates continuously and uniformly, the waste gas can be uniformly distributed and slowly and sequentially passes through 12 heat accumulators 11, specifically, the 12 heat accumulators 11 can be divided into 5 air inlet chambers 16, 5

air outlet chambers

17, 1

purging chamber

18 and 1 isolating chamber 19 according to functions, the 5 air inlet chambers 16 are closely arranged, the 5 air outlet chambers 17 are closely arranged, the 1 purging chamber 18 and the 1 isolating chamber 19 are respectively positioned between the 5 air inlet chambers 16 and the 5 air outlet chambers 17, namely, the waste gas slowly and sequentially passes through the 12 chambers;

s3, preheating the waste gas 20 to a certain temperature through a heat accumulator 11, then entering the top of a combustion chamber 1, carrying out combustion-supporting heating through combustion-supporting gas and natural gas, carrying out oxidative decomposition, transferring the heat to the heat accumulator 11 through purified gas, enabling the heat accumulator 11 to store the heat for the next cycle heating of the waste gas, cooling the gas, discharging one path of the gas to a chimney 6 through an exhaust port 8, recycling the other path of the gas to a production workshop 9 through a draught fan 4 after heat exchange through a heat exchanger 5, and in addition, discharging the gas discharged from a gas outlet 13 arranged at the lower part of the combustion chamber 1 and the gas after heat exchange through the heat exchanger 5 after mixing to the chimney 6; and the outer walls of the combustion chamber 1 at the positions of the exhaust port 8 and the air outlet 13 are respectively provided with a smoke detector 14 and a water spraying device 15, the smoke detector 14 and the water spraying device 15 are both connected to the controller, whether the carbon dioxide concentration of the gas exhausted from the exhaust port 8 and the air outlet 13 exceeds the standard is respectively monitored through the smoke detector 14, if the carbon dioxide concentration exceeds the standard, the smoke detector 14 feeds monitoring signals back to the controller to control the start of the water spraying device 15, and the fire water is directly sprayed to the exhaust port 8 and the air outlet 13.

The utility model discloses in, heat accumulator 11 is passed to the heat on the gas after the purification, make and store a large amount of heats on the heat accumulator 11, use with being used for next circulation heating waste gas, so constantly alternate operation, waste gas not only can be in combustion chamber 1 full oxidative decomposition, and need not the fuel heating, furthest guarantees energy cyclic utilization, save fuel consumption, realize energy-concerving and environment-protective purpose, and can obtain after using, the highest decomposition efficiency of waste gas reaches 99.5%, the thermal efficiency reaches 97%, air inlet and gas vent 8, temperature difference between the gas outlet 13 is about 20, furthest's reduction the loss of combustion chamber 1 in service, the secondary recycle of heat energy has been guaranteed, better economic use value has.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A regenerative decomposition treatment system for exhaust gas, comprising a combustion chamber, characterized in that: the waste gas is connected with an air inlet of the combustion chamber after passing through the filter and the main fan, an exhaust port of the combustion chamber is divided into two paths, one path is connected with the chimney, and the other path is connected with a production workshop after sequentially passing through the heat exchanger and the draught fan; the heat storage type combustor is characterized in that a packed bed and a rotary distributor which are connected are arranged in the combustion chamber, an air inlet of the combustion chamber is communicated with an inlet of the rotary distributor, the packed bed is composed of a plurality of heat storage bodies, and outlets on the rotary distributor are respectively and correspondingly communicated with the heat storage bodies of the packed bed.

2. The system for regenerative decomposition treatment of exhaust gas according to claim 1, wherein: the heat accumulator is made of ceramic materials, and the packed bed is composed of 12 heat accumulators.

3. The system for regenerative decomposition treatment of exhaust gas according to claim 2, wherein: 12 the heat accumulator ring sets up and is integrative structure, the export on the rotatory distributor respectively with 12 the heat accumulator corresponds the intercommunication.

4. The system for regenerative decomposition treatment of exhaust gas according to claim 1, wherein: and a combustion-supporting port is formed in the upper part of the combustion chamber to communicate the combustion-supporting gas and the natural gas.

5. The system for regenerative decomposition treatment of exhaust gas according to claim 1, wherein: the exhaust port is arranged at the upper part of the combustion chamber, the lower part of the combustion chamber is provided with a gas outlet, the gas outlet is communicated with the chimney, and the outlet of the heat exchanger is connected with the gas outlet.

6. The system for regenerative decomposition treatment of exhaust gas according to claim 5, wherein: and the outer wall of the combustion chamber, which is positioned at the exhaust port and the gas outlet, is provided with a smoke detector and a water spraying device, and the smoke detector and the water spraying device are connected to a controller.