CN216480999U

CN216480999U - Vertical incinerator system

Info

Publication number: CN216480999U
Application number: CN202121961727.8U
Authority: CN
Inventors: 王国明; 敖斌涛
Original assignee: Qianjian Tianqin Environmental Protection Equipment Jiangsu Co ltd
Current assignee: Qianjian Tianqin Environmental Protection Equipment Jiangsu Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-05-10
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a vertical incinerator system, comprising: the utility model provides a vertical incinerator system, which can enable garbage treatment to meet the national emission standard and solve the problem of small occupied area.

Description

Vertical incinerator system

Technical Field

The utility model relates to the technical field of garbage treatment, in particular to a vertical incinerator system.

Background

The domestic garbage treatment and disposal are closely related to everyone, and everyone can produce domestic garbage, and the improper domestic garbage treatment can influence the normal operation in city, and then influences everyone's life. According to the research, if the domestic garbage in a city can not be treated after being overstocked for one week, the city can be paralyzed in the world, and the domestic garbage treatment only has three basic forms of recycling, burning and landfill.

Although the investment of landfill is low, the possibility of air pollution, soil pollution and water pollution exists, a large amount of land is continuously occupied, and site selection is difficult. Compared with landfill sanitation, garbage incineration occupies a small area, and discharged flue gas and sewage are treated to have small influence on the surrounding environment.

Therefore, it is necessary to provide a vertical incinerator system to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the vertical incinerator system which can ensure that the garbage treatment meets the national emission standard and the occupied area is small.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a vertical incinerator system comprising: an incinerator;

the incinerator is sequentially provided with a secondary combustion chamber, a circulating cooling water tank, a first flue, a deacidification and desulfurization cooling tower, a cyclone separator, a second flue, a bag-type dust remover, a third flue, an induced draft fan and a chimney from left to right, wherein the secondary combustion chamber extends to the top surface of the incinerator, the top surface of the secondary combustion chamber is provided with the circulating cooling water tank, the circulating cooling water tank is communicated with the top of the deacidification and desulfurization cooling tower through a water inlet pipe, the first flue is arranged at the bottom between the secondary combustion chamber and the deacidification and desulfurization cooling tower and used for guiding harmful gas in the secondary combustion chamber into the deacidification and desulfurization cooling tower for treatment, the side surface, far away from the water inlet pipe, of the top of the deacidification and desulfurization cooling tower is communicated with the cyclone separator, the cyclone separator is fixed on the ground through a fixing plate, the lower part of the cyclone separator is a dust collecting box, and the dedusted gas flows into the bag-type dust remover through the second flue at the top of the cyclone separator, the two ends of the second flue are respectively connected with the cyclone separator and the bag-type dust collector, the bag-type dust collector is provided with a support fixedly arranged on the ground, the lower part of the bag-type dust collector is provided with an ash collecting hopper, the top of one side of the bag-type dust collector, which is far away from the second flue, is provided with a third flue, and gas purified by the bag-type dust collector is sucked into a chimney by an induced draft fan through the third flue and is discharged to the atmosphere.

Preferably, the incinerator is formed by pouring refractory castable in a circular metal shell and filling heat-insulating materials.

Preferably, the secondary combustion chamber is a vertical cylindrical furnace with the inner wall lined with refractory material, and the middle upper part of the furnace body is an oxidation area.

Preferably, the bag-type dust collector adopts reverse blow-back and pulse dust removal.

Compared with the prior art, the utility model has the following beneficial effects:

(1) the vertical incinerator system has high automation degree, saves manpower, has large internal volume of the incinerator and large load of the incinerator, can sufficiently cope with mixed combustion of wastes with various heat values, and has wide and stable application range;

(2) the vertical incinerator system has the advantages that the retention time in the incinerator is thirty minutes and the temperature is 550-750 ℃, so that the waste is burnt out, and meanwhile, the solid waste, a small amount of liquid and colloid are incinerated, so that the adaptability to incinerated substances is strong;

(3) the secondary combustion chamber is a vertical cylindrical furnace with the inner wall lined with refractory materials, smoke passes through a high-temperature layer generated by fuel combustion, the bottom of the furnace body is a gasification area, organic matters in waste liquid are partially combusted at high temperature in the gasification area, oxygen supply is less, the waste liquid is in oxygen-deficient combustion atmosphere, and the retention time is shorter, so that the organic matters are completely gasified at high temperature, meanwhile, the furnace body adopts a vertical cyclone structure, oxygen supplementing air adopts tangential supply, and disturbance is enhanced to ensure that the waste liquid is fully gasified. The upper part is the oxidation region in the furnace body, makes the oxidation zone be in the oxygen boosting state because the replenishment of oxidizing air in the oxidation zone, and the organic matter of not complete decomposition in the high temperature flue gas is further high temperature combustion under the oxygen boosting state to guarantee longer residence time, make the organic matter decompose completely here.

(4) According to the utility model, through the matching of the deacidification, desulfurization and cooling tower, the cyclone separator and the bag-type dust remover, secondary dust removal is carried out in a limited space, so that the dust removal efficiency is improved, the dust removal effect is better, and the national relevant emission standard is met.

Drawings

FIG. 1 is a schematic front view of a vertical incinerator system according to the present invention;

FIG. 2 is a schematic rear view of the vertical incinerator system according to the present invention;

FIG. 3 is a schematic diagram of a front view of the vertical incinerator system provided by the present invention.

Wherein, the names corresponding to the reference numbers are: 1-incinerator, 2-secondary combustion chamber, 3-circulating cooling water pool, 31-water inlet pipe, 4-first flue, 5-deacidification, desulfurization and cooling tower, 6-cyclone separator, 61-dust collection box, 62-fixing plate, 7-second flue, 8-bag dust collector, 81-ash collection hopper, 82-support, 9-third flue, 10-induced draft fan and 11-chimney.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.

As shown in fig. 1, the vertical incinerator system provided by the present invention comprises: an incinerator 1;

as shown in figure 1, the incinerator 1 is used for dehydrating and burning wastes in the incinerator, the incinerator 1 is sequentially provided with a secondary combustion chamber 2, a circulating cooling water tank 3, a first flue 4, a deacidification and desulfurization cooling tower 5, a cyclone separator 6, a second flue 7, a bag-type dust collector 8, a third flue 9, an induced draft fan 10 and a chimney 11 from left to right, wherein the secondary combustion chamber 2 extends to the top surface of the incinerator 1, the top surface of the secondary combustion chamber 2 is provided with the circulating cooling water tank 3, the circulating cooling water tank 3 is communicated with the top of the deacidification and desulfurization cooling tower 5 through a water inlet pipe 31, the bottom between the secondary combustion chamber 2 and the deacidification and desulfurization cooling tower 5 is the first flue 4, the first flue 4 is used for guiding harmful gas in the secondary combustion chamber 2 into the deacidification and desulfurization cooling tower 5 for processing, the side surface of the top of the desulfurization cooling tower 5, which is far away from the water inlet pipe 31, is communicated with the cyclone separator 6, the cyclone separator 6 is fixed on the ground through a fixing plate 62, a dust collecting box 61 is arranged at the lower part of the cyclone separator 6, dust-containing gas in the deacidification, desulfurization and cooling tower 5 enters along a tangent line at the top of the cyclone separator 6 and is subjected to first-step dust removal through the cyclone separator 6, the dust-removed gas flows into a bag-type dust remover 8 through a second flue 7 at the top of the cyclone separator 6, two ends of the second flue 7 are respectively connected with the cyclone separator 6 and the bag-type dust remover 8, the bag-type dust remover 8 is provided with a support 82 which is fixedly arranged on the ground, a dust collecting hopper 81 is arranged at the lower part of the bag-type dust remover 8, a third flue 9 is arranged at the top of one side of the bag-type dust remover 8, which is far away from the second flue, and the gas purified through the bag-type dust remover 8 is sucked into a chimney 11 through a draught fan 10 through the third flue 9 and is discharged to the atmosphere;

preferably, in one embodiment, the incinerator 1 is formed by pouring refractory castable into a circular metal shell and filling heat insulation materials, so that the heating uniformity is ensured, and the residence time of the waste in the incinerator can reach thirty minutes, so that the waste is sufficiently heated, and organic matters are sufficiently removed.

Preferably, in one embodiment, the secondary combustion chamber 2 is a vertical cylindrical furnace with refractory-lined inner wall, the flue gas passes through a high-temperature layer generated by fuel combustion, the bottom of the furnace body is a gasification area, in the gasification zone, the organic matters in the waste liquid are partially combusted at high temperature, the oxygen supply is less, the waste liquid is in the oxygen-deficient combustion atmosphere, the residence time is shorter, so the organic matters are completely gasified at high temperature, meanwhile, the furnace body adopts a vertical cyclone structure, oxygen supplementing air adopts tangential supply, disturbance is enhanced to ensure that the waste liquid is fully gasified, the middle upper part of the furnace body is an oxidation area, in the oxidation zone, the oxidation zone is in an oxygen-enriched state due to the supplement of oxidation air, organic substances which are not completely decomposed in the high-temperature flue gas are further combusted at high temperature (more than or equal to 850-1200 ℃) in the oxygen-enriched state, and a long retention time (2S or more) is ensured, so that the organic substances can be completely decomposed.

Preferably, in an embodiment, the deacidification, desulfurization and cooling tower 5 is matched with the circulating cooling water tank 3, when high-temperature flue gas enters the deacidification, desulfurization and cooling tower 5 from the first flue 4, low-temperature water in the circulating cooling water tank 3 is sprayed into atomized cooling water from the top of the tower to be fully mixed with the flue gas, and the flue gas is deacidified, desulfurized and cooled.

Preferably, in an embodiment, the cyclone separator 6 performs a first dust removal treatment on the cooled flue gas, the flue gas enters from a tangential direction of a top of the cyclone separator 6, so that the dusty airflow makes a rotating motion, the dust particles are separated from the airflow by means of centrifugal force and collected on the wall of the flue gas, the dust particles fall into the collecting box 61 by means of gravity, and the flue gas after the first purification enters into the second flue 7 from the top of the cyclone separator 6.

Preferably, in an embodiment, the bag-type dust collector 8 adopts reverse blow and pulse dust removal, after the dust-containing gas subjected to primary filtration enters, dust with large particles and large specific gravity sinks into the dust collecting hopper 81 under the action of gravity, and the gas containing fine dust is blocked when passing through the filter material, so that the gas is purified.

The working principle of the utility model is as follows:

when in use, the waste is filled into an incinerator 1 for incineration treatment, the waste is heated at high temperature to fully remove organic matters, the secondary combustion chamber 2 further burns the organic matters which are not fully decomposed in the high-temperature flue gas at high temperature in an oxygen-enriched state, and ensures longer residence time to fully decompose the organic matters, when the high-temperature flue gas enters a deacidification, desulfurization and cooling tower 5 from a first flue 4, low-temperature water in a circulating cooling water tank 3 is sprayed into atomized cooling water from the top of the tower to be fully mixed with the flue gas, the flue gas is deacidified, desulfurized and cooled, the flue gas enters from the top tangential direction of a cyclone separator 6 to make a dust-containing gas flow rotate, dust particles are separated from the gas flow by means of centrifugal force and collected on the wall of the tower, the dust particles fall into a collecting box 61 by means of gravity, the flue gas after primary purification enters a second flue 7 from the top of the cyclone separator 6, after the dust-containing gas subjected to primary filtration enters the bag-type dust collector 8, dust with large particles and large specific gravity falls into the dust collecting hopper 81 under the action of gravity, the gas containing fine dust is blocked when passing through the filter material, so that the gas is purified, and the gas purified by the bag-type dust collector 8 is sucked into the chimney 11 by the induced draft fan 10 through the third flue 9 and is discharged to the atmosphere.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, but all the insubstantial modifications or changes made within the spirit and scope of the main design of the present invention, which still solve the technical problems consistent with the present invention, should be included in the scope of the present invention.

Claims

1. Vertical incinerator system, its characterized in that includes: an incinerator;

2. The vertical incinerator system of claim 1, wherein the incinerator is cast refractory castable in a round metal shell, filled with insulation.

3. The vertical incinerator system according to claim 1 wherein the secondary combustion chamber is a vertical cylindrical furnace with refractory lined walls and an upper middle section of the furnace body is an oxidation zone.

4. The vertical incinerator system of claim 1 wherein the bag-type dust collector employs reverse blow back and pulse ash removal.