CN206352127U - A kind of novel household garbage pyrolysis gasification furnace - Google Patents

Abstract

The utility model is related to a kind of novel household garbage pyrolysis gasification furnace, including gasification furnace body, it is characterised in that：Gasification furnace body upper end is provided with gas outlet, lower end is provided with slag notch, the automatic feeder connected with gasification furnace body is provided with close to gas outlet, in gasification furnace inner body wall and bottom provided with water seal layer, gasification furnace inner body wall water seal layer top is provided with the venthole being in communication with the outside；Even distributing wind mechanism is provided with gasification furnace body bottom portion, even distributing wind actuator base is connected by an admission line with air blower, the vapor of gasification furnace inner body wall water seal layer is connected from venthole through an airway tube with admission line；The blast pipe of gas outlet one of gasification furnace body upper end is connected with ash handling equipment.The utility model flameholding, pyrolytic gasification effect is good, obtains combustion gas purer.

Description

A new type of domestic waste pyrolysis gasifier

technical field

The utility model belongs to the technical field of domestic waste treatment, in particular to a novel domestic waste pyrolysis gasifier.

Background technique

Municipal solid waste is not only the chief culprit of environmental pollution, but also a potential resource. In some economically developed areas, the available land is relatively small, and some municipal solid waste disposal requirements are getting higher and higher. Scientific and reasonable utilization, turning waste into treasure, has become an urgent problem to be solved in the world. The existing domestic waste treatment technology is to put the waste into an incinerator for combustion, but domestic waste has a large amount, low calorific value, and complex components, making it very inconvenient to handle. First of all, a large amount of domestic waste is large in size and inconvenient to transport, which requires a lot of manpower and material resources in the transportation process; secondly, when the waste is stored in the open air, it is easy to decompose and change, polluting the surrounding environment; the waste has a low calorific value and is inconvenient Combustion, and the combustion is not sufficient, so that the garbage disposal is not thorough. In addition, a large amount of ash is produced, which consumes a lot of fuel and wastes resources.

Utility model content

The utility model makes improvements to the problems existing in the above-mentioned prior art, that is, the technical problem to be solved by the utility model is to provide a new type of domestic garbage pyrolysis gasifier.

In order to solve the problems of the technologies described above, the technical solution of the utility model is:

A new type of domestic waste pyrolysis gasifier, including the gasifier body:

1) There is a gas outlet at the upper end of the gasifier body, and a slag outlet at the lower end. Near the gas outlet, there is an automatic feeding device connected to the gasifier body, and a water seal layer is provided on the inner wall and bottom of the gasifier body , above the water seal layer on the inner wall of the gasifier body, there is a steam outlet connected to the outside world;

2) A uniform air distribution mechanism is installed at the bottom of the gasifier body. The bottom of the uniform air distribution mechanism is connected to the blower through an air inlet pipe. The water vapor in the water seal layer on the inner wall of the gasifier body passes through an air duct from the steam outlet. connected to the intake pipe;

3) The gas outlet at the upper end of the gasifier body communicates with the ash removal device through an exhaust pipe. The cooling and dust removal device connected by the side wall opening.

Further, the automatic feeding device includes a piston cylinder with a feed hopper at the top, a piston assembly placed in the piston cylinder, and a reciprocating mechanism that pushes the piston assembly to reciprocate. The piston assembly is composed of a piston fixed to the reciprocating mechanism The rod and the piston rod are fixedly connected to the piston barrel. The length of the piston barrel is greater than the horizontal distance from the feed hopper to the gasifier body. The reciprocating mechanism can be a hydraulic cylinder, a pneumatic cylinder, a cam mechanism or a screw nut mechanism, etc.

Further, an explosion valve is provided at the upper end of the exhaust pipe.

Further, a water seal layer is provided at the bottom of the ash collecting device and the cooling and dedusting device.

Further, an exhaust port is opened above the cooling and dust removal device, and a filter screen is provided at the exhaust port.

Further, an auxiliary suction device is added to the air guide tube.

Compared with the prior art, the utility model has the following beneficial effects: the water vapor evaporated from the water seal layer on the inner wall of the gasifier body is thermochemically reacted with the garbage carbon, which is energy-saving and efficient, and the combustible gas obtained is primary separated through the ash hopper The ash in the combustible gas enters the water seal layer for cooling and filtration through the cooling dust removal device, and the obtained combustible gas is more pure, safe and reliable.

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

Description of drawings

Fig. 1 is a structural schematic diagram of an embodiment of the utility model.

In the figure: 1-automatic feeding device, 2-feeding hopper, 3-exhaust pipe, 4-explosion valve, 5-dust hopper, 6-cooling and dust removal device, 601-filter, 602-water seal layer c, 7-ash collection device, 701-water seal layer d, 8-blower, 9-uniform air distribution mechanism, 10-gasifier body, 10a-water seal layer a, 10b-water seal layer b, 11-auxiliary Air extraction device.

detailed description

A new type of domestic waste pyrolysis gasifier, including a gasifier body 10:

1) There is a gas outlet at the upper end of the gasifier body 10, and a slag outlet at the lower end. Near the gas outlet, there is an automatic feeding device 1 connected to the gasifier body. On the inner wall and bottom of the gasifier body 10, Water seal layer 602, above the water seal layer on the inner wall of the gasifier body 10, there is a steam outlet communicating with the outside world;

2) A uniform air distribution mechanism 9 is installed at the bottom of the gasifier body 10, and the bottom of the uniform air distribution mechanism 9 is connected to the blower 8 through an air inlet pipe, and the water vapor in the water seal layer 602 on the inner wall of the gasifier body 10 flows from the outlet The steam port is connected with the intake pipe through an air guide pipe;

3) The gas outlet at the upper end of the gasifier body 10 communicates with the ash removal device through an exhaust pipe 3. The ash removal device includes an ash drop hopper 5 with openings on the bottom and side walls, and an ash collection device connected to the bottom opening. The device 7 and the cooling and dedusting device 6 communicated with the side wall opening.

Further, the automatic feeding device 1 includes a piston cylinder with a feed hopper at the top, a piston assembly placed in the piston cylinder, and a reciprocating mechanism for pushing the piston assembly to reciprocate. The piston assembly is fixedly connected with the reciprocating mechanism. Composed of a piston rod and a piston barrel fixedly connected to the piston rod. The length of the piston barrel is greater than the horizontal distance from the feed hopper to the gasifier body. The reciprocating mechanism can be a hydraulic cylinder, a pneumatic cylinder, a cam mechanism or a screw nut mechanism, etc. .

Further, an explosion valve 8 is provided at the upper end of the exhaust pipe to prevent the exhaust pipe from bursting due to excessive air pressure.

Further, the bottom of the ash collecting device 7 and the cooling and dedusting device 6 is provided with a water seal layer, which has the functions of preventing outgassing and removing sundries.

Further, an exhaust port is opened above the cooling and dust removal device 6, and a filter screen 601 is provided at the exhaust port.

Further, an auxiliary suction device 11 is added to the air guide tube.

The utility model works like this: the combustible garbage is fed into the feed hopper 2 and is pushed into the gasification furnace body 10 by the automatic feeding device 1 to ignite anoxic combustion, and the combustion releases heat to heat the water seal layer 10a of the inner wall of the gasification furnace body 10 Water, evaporated water vapor is sent into the intake pipe through the air guide pipe, and is sent to the gasification furnace body 10 under the wind force of the blower 8 for thermochemical reaction with the carbon burned from combustible garbage to generate CO, H ₂ , CH ₄ Waiting for combustible gas, part of the burnt ashes is discharged from the slag outlet, part of it is lifted up and enters the ash hopper 5, sinks into the ash collection device for collection, and the combustible gas enters the cooling and dust removal device 6, and is discharged after being cooled and filtered by the water seal layer.

The above descriptions are only preferred embodiments of the present utility model, and all equivalent changes and modifications made according to the patent scope of the present utility model shall fall within the scope of the present utility model.

Claims (6)

1. a kind of novel household garbage pyrolysis gasification furnace, including gasification furnace body, it is characterised in that：

1）, gasification furnace body upper end be provided with gas outlet, lower end is provided with slag notch, is provided with and is connected with gasification furnace body close to gas outlet Automatic feeder, in gasification furnace inner body wall and bottom provided with water seal layer, gasification furnace inner body wall water seal layer top is provided with The venthole being in communication with the outside；

2）, in gasification furnace body bottom portion be provided with even distributing wind mechanism, even distributing wind actuator base passes through an admission line and drum Blower fan is connected, and the vapor of gasification furnace inner body wall water seal layer is connected from venthole through an airway tube with admission line；

3）, gasification furnace body upper end the blast pipe of gas outlet one connect with ash handling equipment, the ash handling equipment including bottom and Side wall is provided with ash dropping hopper, the collection apparatus for ash connected with bottom opening and the cooling and dedusting device connected with sidewall opening of opening.

2. novel household garbage pyrolysis gasification furnace according to claim 1, it is characterised in that：The automatic feeder bag Include piston cylinder of the top provided with feed hopper, the piston component and the reciprocating reciprocating engine of propelling piston component being placed in piston cylinder Structure, the piston component is made up of the connected piston cylinder of the piston rod and piston rod that are connected with reciprocator, the piston tube length Degree is more than feed hopper to the horizontal range for the furnace body that gasifies, and the reciprocator can be hydraulic cylinder, pneumatic linear actuator, cam mechanism or silk Stem nut mechanism etc..

3. novel household garbage pyrolysis gasification furnace according to claim 1, it is characterised in that：The blast pipe upper end is provided with Gas explosion valve.

4. novel household garbage pyrolysis gasification furnace according to claim 1, it is characterised in that：The collection apparatus for ash and cooling Dust arrester bottom is provided with water seal layer.

5. novel household garbage pyrolysis gasification furnace according to claim 1, it is characterised in that：On the cooling and dedusting device Fang Kaiyou exhaust outlets, the exhaust outlet goes out provided with screen pack.

6. novel household garbage pyrolysis gasification furnace according to claim 1, it is characterised in that：Added with auxiliary on the airway tube Help air extractor.