CN215808508U

CN215808508U - Pyrolysis incinerator structure

Info

Publication number: CN215808508U
Application number: CN202122134726.2U
Authority: CN
Inventors: 谈留平; 黄广宇; 王彬; 朱安翔
Original assignee: Yangzhou Taida Environmental Protection Co ltd
Current assignee: Yangzhou Taida Environmental Protection Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-02-11
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses a pyrolysis incinerator structure, which comprises a hopper, a pyrolysis gasification chamber and a gas phase combustion chamber, wherein a grate is obliquely arranged at the bottom of the pyrolysis gasification chamber, a first air inlet is formed in the bottom of the grate, the pyrolysis gasification chamber and the gas phase combustion chamber are separated by an obliquely arranged partition wall, a necking opening is formed between the upper end of the partition wall and the front wall of an incinerator body, a second air inlet is formed in the necking opening, an S-shaped flue is arranged in the gas phase combustion chamber, and a flue gas outlet is formed in the upper side of the rear wall of the incinerator body. The pyrolysis incinerator structure has the advantages of simple and compact structure, low investment cost, complete and thorough waste incineration, low discharge of harmful substances and the like.

Description

Pyrolysis incinerator structure

Technical Field

The utility model relates to the technical field of waste incineration, in particular to a pyrolysis incinerator structure.

Background

Along with the development of national economy and the improvement of the living standard of people, the garbage output of China reaches hundreds of millions of tons, and the aims of solving the garbage problem are garbage volume reduction, garbage reduction, resource recycling and harmless treatment. The current method is incineration. Incineration volume reduction and decrement degree are high, but among the prior art, because rubbish is the moisture content is higher usually for the burning temperature in the stove is low, and burns the temperature and can't control, has the burning unstability, rubbish can not the complete combustion and causes the mass production and the emission scheduling problem of pollutants such as heavy metal and dioxin.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pyrolysis incinerator structure with a simple and compact structure, which improves the combustion stability of garbage, promotes the complete combustion of the garbage and reduces the emission of pollutants such as dioxin and the like to the maximum extent.

The purpose of the utility model is realized as follows: the utility model provides a pyrolysis incinerator structure, includes hopper, pyrolysis gasification room and gaseous combustion chamber, and pyrolysis gasification room bottom slope is provided with the grate, and the grate bottom is equipped with first air intake, and pyrolysis gasification room and gaseous combustion chamber are separated through the partition wall that the slope set up, form the necking down mouth between partition wall upper end and the furnace body antetheca, are equipped with the second air intake on the necking down mouth, are equipped with S type flue in the gaseous combustion chamber, and wall upside is equipped with the exhanst gas outlet behind the furnace body.

The pyrolysis incinerator structure is simple and compact in structure, equipment investment cost is reduced, complete and thorough garbage incineration can be achieved, high temperature of the pyrolysis gasification chamber is dissipated to the gas-phase combustion chamber through the partition wall, the temperature in the gas-phase combustion chamber is improved rapidly, harmful substances such as dioxin can be decomposed more rapidly, meanwhile, the S-shaped flue is arranged, the length of the flue is prolonged, thorough decomposition of the dioxin is promoted, and the flue gas outlet is arranged on the upper side of the incinerator body, so that the content of fly ash in flue gas is greatly reduced, and subsequent flue gas treatment is facilitated.

As a further improvement of the utility model, a first flue gas baffle plate and a second flue gas baffle plate are vertically arranged in the gas phase combustion chamber, the bottom of the first flue gas baffle plate is fixed on a partition wall, and the top of the second flue gas baffle plate is fixed on the top wall of the furnace body.

As a further improvement of the utility model, the upper end of the partition wall is provided with a bending part which is inclined towards the rear side, and the bending part is fixedly connected with the first flue gas partition plate to prevent the accumulation of fly ash at the upper end of the partition wall.

As a further improvement of the utility model, the rear end of the fire grate is provided with a slag outlet which is connected with a slag extractor, and the lower side of the rear wall of the furnace body is inclined and is also communicated with the slag outlet through an inclined ash outlet pipe, thereby facilitating the synchronous treatment of slag and furnace ash, having compact structure, saving space and equipment and reducing flying ash.

As a further improvement of the utility model, the temperature detection device is arranged in the gas-phase combustion chamber, so that the temperature in the gas-phase combustion chamber can be conveniently mastered in real time, and the decomposition conditions of harmful substances such as dioxin and the like can be ensured to be met.

As a further improvement of the utility model, the top of the front end of the fire grate is arranged corresponding to the bottom of the hopper, and the feeding device is arranged outside the bottom of the hopper, so that the automation degree of the whole equipment is improved, and the labor intensity of personnel is reduced.

Drawings

FIG. 1 is a schematic view of a pyrolysis incinerator according to the present invention.

The device comprises a hopper 1, a pyrolysis gasification chamber 2, a gas phase combustion chamber 3, a grate 4, a partition wall 5, a second air inlet 6, a feeding device 7, a slag discharging machine 8, a first flue gas partition plate 9, a second flue gas partition plate 10, a flue gas outlet 11, a bending part 12, a temperature detection device 13 and an oblique ash discharging pipe 14.

Detailed Description

The pyrolysis incinerator structure shown in fig. 1 comprises a hopper 1, a pyrolysis gasification chamber 2 and a gas phase combustion chamber 3. The pyrolysis gasification chamber 2 and the gas phase combustion chamber 3 are respectively connected with a burner.

The bottom of the pyrolysis gasification chamber 2 is obliquely provided with a fire grate 4. The top of the front end of the fire grate 4 is arranged corresponding to the bottom of the hopper 1, the feeding device 7 is arranged on the outer side of the bottom of the hopper 1, garbage poured from the hopper 1 is pushed into the pyrolysis gasification chamber 2 by the feeding device 7, and a garbage layer is formed on the fire grate 4. The grate 4 bottom is equipped with first air intake to promote the drying and the pyrolysis gasification of rubbish, the grate 4 rear end is equipped with the slag notch, and the slag notch is connected with slag extractor 8, and under grate and slag action of gravity, the slag notch gets into slag extractor 8 from the slag notch, discharges via slag extractor 8, improves the degree of automation of whole equipment, reduction personnel intensity of labour.

Pyrolysis gasification chamber 2 and gaseous combustion chamber 3 separate through partition wall 5 that the slope set up, form the necking down mouth between 5 upper ends of partition wall and the furnace body antetheca, are equipped with second air intake 6 on the necking down mouth, for the flue gas burning provides the overgrate air, and after the overgrate air got into gaseous combustion chamber 3, the drive flue gas formed the whirl in gaseous combustion chamber 3, combustible gas at gaseous combustion chamber 3 and overgrate air intensive mixing and burning. An S-shaped flue is arranged in the gas-phase combustion chamber 3 and is formed by vertically arranging a first flue gas partition plate 9 and a second flue gas partition plate 10, so that the high-temperature combustion time of flue gas is prolonged, and harmful substances such as dioxin in the flue gas are promoted to be cracked at high temperature. The bottom of the first flue gas partition plate 9 is fixed on the partition wall 5, and the top of the second flue gas partition plate 10 is fixed on the top wall of the furnace body, so that the structure is simple, and the realization is convenient. The temperature detection device 13 is arranged in the gas-phase combustion chamber 3, so that the temperature in the gas-phase combustion chamber 3 can be conveniently mastered in real time, and the decomposition conditions of harmful substances such as dioxin can be ensured to be met. The upper end of the partition wall 5 is provided with a bending part 12 which inclines towards the rear side, and the bending part 12 is fixedly connected with the first flue gas partition plate 9 to prevent flying ash from accumulating at the upper end of the partition wall 5. The upper side of the rear wall of the furnace body is provided with a flue gas outlet 11. The flue gas outlet 11 is connected with the waste heat boiler, the heat exchanger and the flue gas purification system in sequence, so that waste heat is utilized conveniently, and the content of harmful substances in the discharged flue gas is further reduced. The lower side of the rear wall of the furnace body is inclined and is also communicated with the slag outlet through an inclined ash outlet pipe 14, so that the synchronous treatment of slag and furnace ash is convenient, the structure is compact, the space and equipment are saved, and flying ash flying dust is reduced.

The pyrolysis incinerator structure can realize complete and thorough waste incineration, the high temperature of the pyrolysis gasification chamber 2 is diffused to the gas-phase combustion chamber 3 through the partition wall 5, the temperature in the gas-phase combustion chamber 3 is favorably and rapidly increased, harmful substances such as dioxin can be rapidly decomposed, and meanwhile, the fly ash content in smoke is greatly reduced due to the arrangement of the S-shaped flue, and the subsequent smoke treatment is facilitated. In addition, the utility model has simple and compact structure and can obviously reduce the equipment investment cost.

The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.

Claims

1. The utility model provides a pyrolysis incinerator structure, includes hopper, pyrolysis gasification chamber and gaseous combustion chamber, pyrolysis gasification chamber bottom slope is provided with the grate, the grate bottom is equipped with first air intake, its characterized in that: the pyrolysis gasification chamber and the gas phase combustion chamber are separated by a partition wall which is obliquely arranged, a necking opening is formed between the upper end of the partition wall and the front wall of the furnace body, a second air inlet is formed in the necking opening, an S-shaped flue is arranged in the gas phase combustion chamber, and a flue gas outlet is formed in the upper side of the rear wall of the furnace body.

2. A pyrolysis incinerator structure according to claim 1, characterized in that: the gas-phase combustion chamber is internally and vertically provided with a first flue gas baffle plate and a second flue gas baffle plate, the bottom of the first flue gas baffle plate is fixed on the partition wall, and the top of the second flue gas baffle plate is fixed on the top wall of the furnace body.

3. A pyrolysis incinerator structure according to claim 2, characterized in that: the upper end of the partition wall is provided with a bending part which is inclined towards the rear side, and the bending part is fixedly connected with the first smoke baffle plate.

4. A pyrolysis incinerator structure according to claim 1, characterized in that: the rear end of the fire grate is provided with a slag outlet, the slag outlet is connected with a slag discharging machine, and the lower side of the rear wall of the furnace body is inclined and is also communicated with the slag outlet through an inclined ash discharging pipe.

5. A pyrolysis incinerator structure according to any one of claims 1 to 4, characterized in that: and a temperature detection device is arranged in the gas-phase combustion chamber.

6. A pyrolysis incinerator structure according to any one of claims 1 to 4, characterized in that: the top of the front end of the fire grate corresponds to the bottom of the hopper, and a feeding device is arranged on the outer side of the bottom of the hopper.