CN219318441U

CN219318441U - Improved structure of thermal cracking gasification incinerator

Info

Publication number: CN219318441U
Application number: CN202223244484.3U
Authority: CN
Inventors: 吴孔根; 唐元; 宋建宾; 刘文博; 陈发文
Original assignee: Guangzhou Xw Environmental Protection Technology Co ltd
Current assignee: Guangzhou Xw Environmental Protection Technology Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-07-07
Anticipated expiration: 2032-12-05

Abstract

The utility model relates to the technical field of solid waste heat pyrolysis incineration equipment, in particular to an improved structure of a thermal cracking gasification incinerator, which comprises a main combustion chamber and a plurality of secondary combustion chambers arranged at the periphery of the main combustion chamber, wherein smoke flow through holes are formed between the main combustion chamber and the secondary combustion chamber and between the secondary combustion chambers, the lower part of the secondary combustion chamber is connected with a secondary combustion chamber ash hopper, the bottom of the secondary combustion chamber ash hopper is provided with an ash spiral conveying device, a discharge valve is arranged between the secondary combustion chamber ash hopper and the ash spiral conveying device, the secondary combustion chamber ash hopper, the discharge valve and the ash spiral conveying device are sequentially communicated, the lower part of the main combustion chamber is a conical ash discharge hopper, a conical rotary fire grate is arranged above the conical ash discharge hopper, and the tail end of the ash spiral conveying device is communicated with the interior of the conical ash discharge hopper. The automatic ash removing device has an automatic ash removing function, adopts the cooperation of the conical rotary grate and the conical ash discharging hopper, realizes automatic discharging under the action of gravity, and has simple structure and relatively lower equipment cost and operation cost.

Description

Improved structure of thermal cracking gasification incinerator

Technical Field

The utility model relates to the technical field of solid waste heat pyrolysis incineration equipment, in particular to an improved structure of a pyrolysis gasification incinerator.

Background

Soil becomes sludge after being soaked by domestic sewage and industrial wastewater, and bacteria, viruses, excessive heavy metals and serious odor are easy to breed. At present, the main treatment method of the solid wastes such as sludge and the like at home and abroad is limited to a dehydration drying pretreatment stage, and the equipment used mainly comprises a fluidized bed incinerator, a rotary kiln incinerator and a vertical AB type split furnace. The Chinese patent with the publication number of CN 203586222U discloses a vertical shaft duplex garbage thermal cracking gasification melting incinerator, a slag removing mechanism of the incinerator consists of a water seal slag removing hopper and a scraper slag extractor arranged at the lower end of the water seal slag removing hopper, a secondary combustion chamber of the incinerator is free of an automatic ash removing device, dust on the inner wall of the secondary combustion chamber is easy to accumulate, slag is discharged by adopting the scraper slag extractor, the whole incinerator is complex, and the equipment cost and the running cost are high.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide an improved structure of a thermal cracking gasification incinerator, which has a simple structure and an automatic ash removal function, and adopts a conical rotary grate to be matched with a conical ash discharge hopper for use, so that automatic discharge is realized under the action of gravity, and the improved structure is simple in structure and relatively low in equipment cost and operation cost.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a thermal cracking gasification burns burning furnace improvement structure, includes the main combustion chamber, sets up a plurality of two combustion chambers in main combustion chamber periphery, be provided with the flue gas flow through-hole between main combustion chamber and the two combustion chambers and between the adjacent two combustion chambers, the lower part of two combustion chambers is connected with two combustion chamber ash hopper, the bottom of two combustion chamber ash hopper is equipped with ash screw conveyor, be provided with the discharge valve between two combustion chamber ash hopper and the ash screw conveyor, two combustion chamber ash hopper, discharge valve, ash screw conveyor communicate in proper order, the lower part of main combustion chamber is toper ash hopper that goes out, toper ash goes out the hopper top and is provided with toper rotary grate, ash screw conveyor's end and toper ash go out the inside intercommunication of hopper.

And a dust sensor is arranged on the ash hopper of the secondary combustion chamber.

The conical top of the conical ash discharging hopper is downward, the conical top of the conical rotary fire grate is upward, and the conical rotary fire grate is connected with the motor through a connecting shaft.

The ash spiral conveying device comprises a conveying pipe, a spiral conveying shaft arranged in the conveying pipe and a conveying motor connected with the spiral conveying shaft, and a secondary combustion chamber ash outlet is arranged at the tail end of the conveying pipe.

The utility model has the beneficial effects that: compared with the prior art, the utility model has the advantages that the discharging valve and the ash spiral conveying device are arranged at the lower part of the secondary combustion chamber, so that dust and ash in the secondary combustion chamber are automatically cleaned and automatically conveyed into the conical ash discharging hopper, the conical rotary grate is arranged in the conical ash discharging hopper and rotates 360 degrees under the driving of the motor, so that substances after heat treatment in the main combustion chamber are automatically discharged from the lower part of the conical ash discharging hopper, the effect of rotating and turning the material layer is also realized, the combustion of waste in the furnace is further enhanced, the waste and the waste added into the furnace are uniformly distributed on each combustion layer in the furnace, the balance of the heat and the temperature of the furnace is achieved, and moreover, the conical rotary grate also has the functions of arch breaking, ventilation and slag removing.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is an enlarged schematic view of FIG. 3 at B;

in the figure: the main combustion chamber 1, the secondary combustion chamber 2, the smoke flow hole 3, the secondary combustion chamber ash hopper 4, the discharge valve 5, the ash spiral conveying device 6, the conveying pipe 61, the spiral conveying shaft 62, the conveying motor 63, the conical ash discharge hopper 7, the conical rotary fire grate 8, the dust sensor 9 and the connecting shaft 10.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a pyrolysis gasification burns burning furnace improvement structure, includes main combustion chamber 1, sets up a plurality of two combustion chambers 2 in main combustion chamber 1 periphery, be provided with flue gas circulation hole 3 between main combustion chamber 1 and two combustion chambers 2 and between the adjacent two combustion chambers 2, the lower part of two combustion chambers 2 is connected with two combustion chamber ash hopper 4, the bottom of two combustion chamber ash hopper 4 is equipped with ash screw conveyer 6, be provided with discharge valve 5 between two combustion chamber ash hopper 4 and the ash screw conveyer 6, two combustion chamber ash hopper 4, discharge valve 5, ash screw conveyer 6 communicate in proper order, the lower part of main combustion chamber 1 is toper ash hopper 7, toper ash hopper 7 top is provided with toper rotatory grate 8, the end and the toper ash hopper 7 inside intercommunication of ash screw conveyer 6.

In order to sense the dust thickness on the inner wall of the secondary combustion chamber, the ash removal is convenient in real time, the energy is saved, a dust sensor 9 is arranged on the ash hopper 4 of the secondary combustion chamber, when the dust thickness reaches a set value, the dust sensor 9 transmits a signal to a control center, and the control center starts the discharge valve 5 to automatically discharge ash. The discharge valve 5 is a star-shaped discharge valve.

For facilitating automatic discharging, the conical top of the conical ash discharging hopper 7 is downward, and the conical top of the conical rotary grate 8 is upward.

In order to power the conical rotary grate 8 so that it can rotate through 360 °, the conical rotary grate 8 is connected to an electric motor, which is a commercially available product and is not shown in the drawings.

Specifically, the ash spiral conveying device 6 comprises a conveying pipe 61, a spiral conveying shaft 62 arranged in the conveying pipe 61 and a conveying motor 63 connected with the spiral conveying shaft 62, and a secondary combustion chamber ash outlet is arranged at the tail end of the conveying pipe 61.

When the device works, solid waste such as sludge enters the main combustion chamber from the top of the furnace body, is discharged downwards from the conical ash discharge hopper 7 at the bottom after being treated at high temperature, and dust on the inner wall of the secondary combustion chamber and ash in the secondary combustion chamber are automatically discharged through the discharge valve 5 and are automatically conveyed into the conical ash discharge hopper 7 through the ash spiral conveying device 6.

Finally, it should be noted that: the foregoing is merely a preferred example of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model. In addition, references to positional terms such as "front, rear, left, right, upper, lower" and the like are merely for convenience of description, and do not actually designate a unique position.

Claims

1. The utility model provides a pyrolysis gasification burns burning furnace improvement structure, includes main combustion chamber (1), sets up a plurality of two combustion chamber (2) in main combustion chamber (1) periphery, be provided with flue gas flow hole (3) between main combustion chamber (1) and two combustion chamber (2) and between adjacent two combustion chamber (2), its characterized in that: the lower part of two combustion chamber (2) is connected with two combustion chamber ash hopper (4), the bottom of two combustion chamber ash hopper (4) is equipped with ash screw conveyor (6), be provided with discharge valve (5) between two combustion chamber ash hopper (4) and ash screw conveyor (6), two combustion chamber ash hopper (4), discharge valve (5), ash screw conveyor (6) communicate in proper order, the lower part of main combustion chamber (1) is toper ash and goes out hopper (7), toper ash goes out hopper (7) top and is provided with toper rotary grate (8), the end of ash screw conveyor (6) and toper ash play hopper (7) inside intercommunication.

2. The improved structure of the thermal cracking gasification incinerator according to claim 1, wherein: a dust sensor (9) is arranged on the two-combustion chamber ash hopper (4).

3. The improved structure of the thermal cracking gasification incinerator according to claim 1, wherein: the conical top of the conical ash discharging hopper (7) is downward, the conical top of the conical rotary grate (8) is upward, and the conical rotary grate (8) is connected with a motor through a connecting shaft (10).

4. The improved structure of the thermal cracking gasification incinerator according to claim 1, wherein: the ash spiral conveying device (6) comprises a conveying pipe (61), a spiral conveying shaft (62) arranged in the conveying pipe (61) and a conveying motor (63) connected with the spiral conveying shaft (62), and a secondary combustion chamber ash outlet is arranged at the tail end of the conveying pipe (61).