CN211864224U

CN211864224U - Dust removal purifier of incinerator

Info

Publication number: CN211864224U
Application number: CN202020301966.XU
Authority: CN
Inventors: 柳杨; 柳则荣
Original assignee: Shanghai Zhidong Industrial Co ltd
Current assignee: Shanghai Zhidong Industrial Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-11-06
Anticipated expiration: 2030-03-12

Abstract

The utility model discloses an burn burning furnace dust removal clarifier burns burning furnace exhaust high temperature flue gas and gets into the pulse bag dust remover through the tail gas discharge pipe, and the export of pulse bag dust remover is equipped with draught fan D, and draught fan D's export sets gradually pulse valve and axial fan, and axial fan is connected with the chimney. A heat exchanger is arranged between the tail gas discharge pipe and the pulse bag dust collector. The pulse bag-type dust collector is also connected with a fresh air supplement device, an acid gas adsorption device is arranged in the air guide pipeline, a mixture of slaked lime and activated carbon is sprayed in through the acid gas adsorption device, and the mixture of slaked lime and activated carbon is fully mixed with tail gas in the pipeline to remove acid gas and dioxin gas in the tail gas. Under the negative pressure action of the induced draft fan, tail gas enters the bag-type dust collector, dust removal is completed on the surface of the bag, and clean air is discharged into the air from the chimney under the action of the induced draft fan.

Description

Dust removal purifier of incinerator

Technical Field

The utility model relates to a be applied to cremation machine dust fall of funeral and interment trade and remove dust technical field, more specifically say, relate to an burn burning furnace dust removal purifier.

Background

Because a certain amount of dust exists in the smoke emission of the cremation machine and the garbage incinerator produced at present and a small amount of acid gas and dioxin gas exist, on one hand, the requirements of environmental protection are difficult to meet, and certain environmental pollution is caused; on the other hand, the normal life of nearby residents is seriously influenced. At present, in order to reduce pollution and emission of smoke and dust internationally, water dust removal and cloth bag dust removal methods are generally adopted, and especially cloth bag dust removal is mainly adopted. However, in the funeral industry, due to dead zones of investment and knowledge, a great amount of soot and harmful gases are blown into the air by the cremation machine and the garbage incinerator equipment in the process of incinerating corpses and garbage, so that the surrounding environment and the physical and mental health of people are greatly influenced.

When the cremator and the garbage incinerator work, the temperature of the discharged flue gas is unstable, and is slowly reduced from 40 ℃ to about 200 ℃ from the beginning, and sparks are rushed into the air. The cost of the cloth bag with the heat resistance of more than 200 ℃ is higher, generally, in order to save the cost, the cloth bag with the heat resistance of 150 ℃ is selected, and at this time, the following problems need to be solved:

firstly, cooling, namely, how to reduce the temperature of the smoke dust at 200 ℃ to below 180 ℃;

secondly, the problem of sparks is solved, and if the sparks are not eliminated, the cloth bag is burnt;

thirdly, how to decompose various harmful gases contained in the smoke respectively;

fourthly, the dust is generally greasy during the cremation and is easy to adhere to the cloth bag, which affects the use effect and the service life of the cloth bag;

and fifthly, how to treat a large amount of smoke dust formed in the burning moment of the dead body.

Disclosure of Invention

The purpose of the invention is as follows: to prior art's defect and not enough, provide an burn burning furnace dust removal clarifier, utilize heat exchanger to cool down the flue gas to carry out the dust growth through the pulse bag dust remover to the flue gas and subside, dust, acid gas and dioxin gas in this device can make cremation machine and waste incinerator's tail gas obtain purifying, thereby make the combustion gas accord with the environmental protection standard.

The technical scheme is as follows: in order to achieve the purpose, the utility model provides an incinerator dust removal purifier for the high temperature flue gas that burns incinerator discharge is purified in the dust fall, including clean room, tail gas discharge pipe, induced air pipeline, pulse sack cleaner, pulse valve, axial fan and chimney, burn high temperature flue gas that incinerator discharge and get into pulse sack cleaner through the tail gas discharge pipe, the export of pulse sack cleaner is equipped with draught fan D, the export of draught fan D sets gradually pulse valve and axial fan, axial fan is connected with the chimney. A heat exchanger is arranged between the tail gas discharge pipe and the pulse bag-type dust remover, the heat exchanger is communicated with the pulse bag-type dust remover through an air pipe, an acid gas adsorption device is arranged on the air pipe between the heat exchanger and the pulse bag-type dust remover, the acid gas adsorption device comprises a storage tank and a feeding device, the storage tank is connected to the air pipe between the heat exchanger and the pulse bag-type dust remover through the feeding device, a mixture of slaked lime and active carbon is arranged in the storage tank, and a control valve is arranged on the feeding device;

the novel air bag dust collector is characterized in that a fresh air supplement device is connected into the pulse bag dust collector and comprises an air compressor and an air storage tank 4, and the air compressor is used for blowing air in the air storage tank into the pulse bag dust collector.

A plurality of uniformly arranged vent pipes are arranged in the heat exchanger, the vent pipes are metal pipes, external air is used as a cooling medium to enter the metal pipes, and the external air is heated and then collected for use.

The front end of tail gas discharge pipe 1 sets up draught fan A, the pulse bag dust remover possess two tunnel gas outlet branch road, be the last gas outlet branch road and the lower gas outlet branch road respectively, the last gas outlet branch road and the lower gas outlet branch road all converge and link into the impulse valve, set up draught fan B on the last gas outlet branch road, set up draught fan C on the lower gas outlet branch road, the front end of impulse valve sets up draught fan D.

The front end of the pulse valve is provided with an air bag. Compressed air in the air bag is instantly sprayed out through the pulse valve through each spray hole of the spray pipe and sprayed into each corresponding filter bag, the filter bags are rapidly expanded under the reverse action of air flow, dust deposited on the surfaces of the filter bags falls off, the filter bags are regenerated, the removed dust falls into the dust hopper and is discharged out of the machine body through the spiral feeder, the dust deposited on the filter bags is periodically sprayed and removed through pulse, purified gas normally passes through the machine body, and dust removal is guaranteed to be smoothly carried out.

Has the advantages that: compared with the prior art, the utility model, its beneficial effect is:

1. the system is added with corresponding equipment and measures, scientific setting is carried out according to negative pressure and smoke flow required by the operation of cremation and incineration equipment, so that the dust removal efficiency reaches more than 99 percent, and some main harmful gases are chemically decomposed to achieve the aim of environmental protection. The method mainly adopts a mixed spraying device of slaked lime and active carbon to remove acid gas and dioxin gas in tail gas; a pulse bag dust collector is adopted to absorb a small amount of dust.

2. The utility model arranges an acid gas adsorption device in the induced draft pipeline, and sprays the mixture of slaked lime and active carbon through the acid gas adsorption device, and the slaked lime and active carbon mixture is fully mixed with tail gas in the pipeline to remove acid gas and dioxin gas in the tail gas; introducing the tail gas into a bag-type dust remover, and adopting an induced draft fan behind the bag-type dust remover; under the negative pressure action of the induced draft fan, tail gas enters the bag-type dust collector, dust removal is completed on the surface of the bag, and clean air is discharged into the air from the chimney under the action of the induced draft fan.

Drawings

Fig. 1 is a schematic structural view of the dust removal purifier of the incinerator.

Detailed Description

The present invention will be described in detail with reference to the following examples, but the scope of the present invention is not limited to the examples.

As shown in figure 1, an incinerator dust removal purifier for dust fall purifies incinerator exhaust high temperature flue gas, including clean room, tail gas discharge pipe 1, induced air pipeline, pulse bag dust collector 2, pulse valve (7), axial fan 8 and chimney 11, burn incinerator exhaust high temperature flue gas and get into pulse bag dust collector 2 through tail gas discharge pipe 1, the export of pulse bag dust collector 2 is equipped with draught fan D9D, the export of draught fan D9D sets gradually pulse valve 7 and axial fan 8, axial fan 8 is connected with chimney 11. A heat exchanger 10 is arranged between the tail gas discharge pipe 1 and the pulse bag-type dust collector 2, the heat exchanger 10 is communicated with the pulse bag-type dust collector 2 through an air pipe, an acid gas adsorption device is arranged on the air pipe between the heat exchanger 10 and the pulse bag-type dust collector 2, the acid gas adsorption device comprises a storage tank 3 and a feeding device, the storage tank 3 is connected to the air pipe between the heat exchanger 10 and the pulse bag-type dust collector 2 through the feeding device, a mixture of slaked lime and active carbon is arranged in the storage tank 3, and a control valve is arranged on the feeding device;

the novel pulse bag-type dust collector is characterized in that a fresh air supplement device is connected into the pulse bag-type dust collector 2 and comprises an air compressor 5 and an air storage tank 4, and the air compressor 5 blows air in the air storage tank 4 into the pulse bag-type dust collector 2.

A plurality of uniformly arranged vent pipes are arranged in the heat exchanger 10, the vent pipes are metal pipes, external air is used as a cooling medium to enter the metal pipes, and the external air is heated and then collected for another use.

The front end of tail gas discharge pipe 1 sets up draught fan A9a, pulse bag dust collector 2 possesses two the branch road of giving vent to anger, is the branch road of giving vent to anger and the branch road of giving vent to anger down respectively, on give vent to anger the branch road and give vent to anger down the branch road and all join in pulse valve 7, on give vent to anger and set up draught fan B9B on the branch road, set up draught fan C9C on the branch road of giving vent to anger down, the front end of pulse valve 7 sets up draught fan D9D.

: the front end of the pulse valve 7 is provided with an air bag 6.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides an burn burning furnace dust removal clarifier for dust fall purifies burns burning furnace exhaust high temperature flue gas, including clean room, tail gas discharge pipe (1), induced air pipeline, pulse bag dust collector (2), pulse valve (7), axial fan (8) and chimney (11), burns burning furnace exhaust high temperature flue gas and gets into pulse bag dust collector (2) through tail gas discharge pipe (1), the export of pulse bag dust collector (2) is equipped with draught fan D (9D), the export of draught fan D (9D) sets gradually pulse valve (7) and axial fan (8), axial fan (8) are connected its characterized in that with chimney (11): a heat exchanger (10) is arranged between the tail gas discharge pipe (1) and the pulse bag-type dust collector (2), the heat exchanger (10) is communicated with the pulse bag-type dust collector (2) through an air pipe, an acid gas adsorption device is arranged on the air pipe between the heat exchanger (10) and the pulse bag-type dust collector (2), the acid gas adsorption device comprises a storage tank (3) and a feeding device, the storage tank (3) is connected to the air pipe between the heat exchanger (10) and the pulse bag-type dust collector (2) through the feeding device, a mixture of slaked lime and active carbon is arranged in the storage tank (3), and a control valve is arranged on the feeding device;

a fresh air supplement device is further connected into the pulse bag-type dust collector (2), the fresh air supplement device comprises an air compressor (5) and an air storage tank (4), and the air compressor (5) is used for blowing gas in the air storage tank (4) into the pulse bag-type dust collector (2).

2. An incinerator dust removal purifier as claimed in claim 1 wherein: a plurality of uniformly arranged vent pipes are arranged in the heat exchanger (10), the vent pipes are metal pipes, external air is used as a cooling medium to enter the metal pipes, and the external air is heated and then collected for use.

3. An incinerator dust removal purifier as claimed in claim 1 wherein: the front end of tail gas discharge pipe (1) sets up draught fan A (9a), pulse bag dust remover (2) possess two tunnel gas outlet branch road, be respectively for last gas outlet branch road and gas outlet branch road down, go up gas outlet branch road and gas outlet branch road down and all join pulse valve (7) into, set up draught fan B (9B) on the last gas outlet branch road, set up draught fan C (9C) on the gas outlet branch road down, the front end of pulse valve (7) sets up draught fan D (9D).

4. An incinerator dust removal purifier as claimed in claim 1 wherein: the front end of the pulse valve (7) is provided with an air bag (6).