CN210398927U

CN210398927U - Low-nitrogen cracking furnace for household garbage

Info

Publication number: CN210398927U
Application number: CN201920898173.8U
Authority: CN
Inventors: 李宝江; 李娜
Original assignee: Hebei Jintian Environmental Protection Technology Co ltd
Current assignee: Hebei Jintian Environmental Protection Technology Co ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-04-24
Anticipated expiration: 2029-06-14

Abstract

The utility model provides a low-nitrogen cracking furnace for household garbage, which comprises a furnace body, wherein a cavity-shaped combustion chamber is arranged in the furnace body, a feeding device and an exhaust device are arranged at the top of the furnace body, and a slag discharging device and an air inlet device are arranged at the bottom of the furnace body; the furnace body is sequentially provided with an inner liner, a high temperature resistant layer, a heat preservation layer and a shell protection layer from inside to outside; a top cover is arranged at the top of the furnace body, and the feeding device is arranged on the top cover; a base plate is arranged at the bottom of the furnace body, and a slag discharging device is arranged at the lower part of the base plate; the air inlet device comprises a magnetized air inlet pipe, and the bottom of the magnetized air inlet pipe is detachably arranged on the chassis; the slag discharging device comprises a concave slag collecting hopper, and a spiral slag discharging device is arranged in the slag collecting hopper. The utility model discloses burn in leading-in combustion chamber with rubbish, magnetize the air through the magnetization intake pipe, the refuse treatment in the combustion chamber is more thorough, and wastes material and waste gas volume all reduce, make the refuse treatment process energy-conserving more, environmental protection.

Description

Low-nitrogen cracking furnace for household garbage

Technical Field

The utility model belongs to the technical field of refuse treatment and specifically relates to a domestic waste low nitrogen pyrolysis furnace.

Background

The traditional garbage disposal methods include landfill and incineration, and both the two treatment methods of medical garbage, plastic products such as waste tires and the like, rubber products and other organic matters cause certain secondary pollution, and particularly, the organic matters generate acid gases such as HCI, SOx, NOx and the like, and highly toxic chlorine-containing high molecular compounds are generally called dioxin substances, dust and the like in the incineration process, so that serious atmospheric pollution is caused. In order to overcome the defects of the garbage incineration technology, a garbage magnetization cracking technology is developed. Injecting a certain amount of strongly magnetized air into the closed device body to form an ionization space, then injecting a small amount of oxygen to ensure that the combination between oxygen molecule [ O2] atoms is torn off and becomes active, unstable and extremely reactive oxygen in an atomic state, under the condition of closed magnetic heating, electrons are accelerated to separate from the atoms, negative electrons and atomic nuclei are unstably mixed together to form a plasma state, the oxygen in the plasma state has strong energy and can quickly and completely oxidize organic matters into small broken oxides to an elemental state from the surface, the organic matters to be treated are indirectly magnetized at the same time, the pyrolysis efficiency is greatly improved, the cracking of the objects to be treated at the low temperature of 200-. The electrons which are accelerated to separate permeate into the molecular chain of the organic matter to be treated, and the hydrogen in the hydrocarbon structure of the organic matter is captured or the carbon molecules permeate into the molecular chain to tear the carbon molecule bonding chain and quickly diffuse to form a cracking field with large energy, so that the treatment of the harmful organic matter is completed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a domestic waste low nitrogen pyrolysis furnace to solve the problem that current refuse treatment mode discharged harmful substance.

The utility model discloses a realize like this: a low-nitrogen cracking furnace for household garbage comprises a furnace body, wherein a cavity-shaped combustion chamber is arranged in the furnace body, a feeding device and an exhaust device are arranged at the top of the furnace body, and a slag discharging device and an air inlet device are arranged at the bottom of the furnace body;

the furnace body is sequentially provided with an inner liner, a high-temperature resistant layer, a heat insulation layer and a shell protection layer from inside to outside; a top cover is arranged at the top of the furnace body, and the feeding device is arranged on the top cover; a base plate is arranged at the bottom of the furnace body, and the slag discharging device is arranged at the lower part of the base plate; the air inlet device comprises a magnetized air inlet pipe, and the bottom of the magnetized air inlet pipe is detachably arranged on the chassis; the slag discharging device comprises a concave slag collecting hopper, and a spiral slag discharging device is arranged in the slag collecting hopper.

Preferably, the feeding device comprises a feeding hole, a sealing cover arranged at the upper part of the feeding hole and a hydraulic control device; the hydraulic control device comprises an oil cylinder support and a hydraulic cylinder, wherein the fixed end of the hydraulic cylinder is hinged with the oil cylinder support, and the movable end of the hydraulic cylinder is hinged with the sealing cover; the hydraulic control device controls the opening and closing of the feeding hole.

Preferably, a garbage crushing device is arranged at the feeding port.

Preferably, a diversion hole is formed in the inner liner layer.

Preferably, the base plate is provided with a slag leaking hole.

Preferably, the chassis is in a grid structure.

Preferably, an electric heating device is arranged in the combustion chamber.

Preferably, a temperature sensor is provided in the combustion chamber.

Preferably, the high-temperature resistant layer is a high-temperature resistant refractory brick layer.

Preferably, an explosion-proof valve is arranged on the furnace body.

Adopt above-mentioned technical scheme, the utility model discloses with the leading-in combustion chamber schizolysis gasification of rubbish, magnetize the air through the magnetization intake pipe, air amount and oxygen that use when reducing the rubbish schizolysis guarantee low temperature burning, the heat energy greatly reduced of rubbish demand in the schizolysis process makes the pyrolysis gasification realize under 350 ℃ low temperature to avoid the production of dioxin, make the refuse treatment in the combustion chamber more thorough, wastes material and waste gas volume all reduce, make the refuse treatment process more energy-conserving, the environmental protection.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the device comprises a combustion chamber 1, a lining layer 2, a high-temperature resistant layer 3, a heat insulation layer 4, a shell protection layer 5, a top cover 6, a base plate 7, a magnetized air inlet pipe 8, a slag collecting hopper 9, a spiral slag discharging device 10, a feed inlet 11, a sealing cover 12, a hydraulic control device 13 and a flow guide hole 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in figure 1, the utility model provides a domestic waste low nitrogen cracking furnace, including the furnace body, be provided with the combustion chamber 1 that is the cavity form in the furnace body, be provided with feed arrangement and exhaust apparatus at the top of furnace body, be provided with in the bottom of furnace body and arrange sediment device and air inlet unit. The garbage is put into the furnace body through the feeding device, the air inlet device provides air for the furnace body, the slag discharging device is used for collecting solid waste after combustion, and the exhaust device is used for guiding out waste gas generated after combustion.

The furnace body of the utility model is provided with an inner liner 2, a high temperature resistant layer 3, a heat preservation layer 4 and a shell protection layer 5 from inside to outside in sequence. The lining layer 2 is provided with flow guide holes 14, the lining layer 2 is made of steel plates, and the flow guide holes are uniformly distributed in the lining layer. In the combustion process, rubbish is piled up and is carried out the gasification schizolysis in the bottom of combustion chamber, can produce the difference in temperature from top to bottom in the combustion chamber, and the setting of water conservancy diversion hole can make things convenient for the circulation of air of upper and lower floor in the combustion chamber, and high temperature air gets into through the water conservancy diversion hole on upper portion again through the water conservancy diversion hole escape of bottom, reduces the difference in temperature in the combustion chamber, is favorable to improving the schizolysis efficiency of rubbish. Furthermore, the steel plate material can bear larger stress, the flow guide hole can bear the deformation of expansion with heat and contraction with cold, and the service life of the furnace body can be greatly prolonged after the lining plate is arranged. The high temperature resistant layer 3 of the utility model is a high temperature resistant refractory brick layer, the refractory brick has low cost, good fireproof and heat-insulating properties, and is a common furnace refractory material. The utility model discloses a heat preservation 4 optional mineral wool insulation blanket class insulation material commonly used, aim at keeps warm to the internal temperature of furnace, makes the maximize utilize the heat that the burning of the internal rubbish of furnace produced, reduces and utilizes external heat source, makes rubbish can last schizolysis, energy saving under 350 ℃'s low temperature. The shell protective layer 5 of the utility model can be made of steel plates and is used for protecting the furnace body structure and resisting the external impact.

The utility model discloses be provided with top cap 6 at the top of furnace body, top cap 6 and the last border sealing connection of furnace body. The feeding device is arranged on the top cover. The feeding device comprises a feeding hole 11, a sealing cover 12 arranged at the upper part of the feeding hole 11 and a hydraulic control device 13. The hydraulic control device comprises an oil cylinder support and a hydraulic cylinder, the fixed end of the hydraulic cylinder is hinged with the oil cylinder support, the movable end of the hydraulic cylinder is hinged with the sealing cover, and the hydraulic control device controls the opening and closing of the feeding hole. The utility model discloses can realize automatic feed, the sealed lid of hydraulic control device 13 control is opened, and rubbish gets into the combustion chamber by the feed inlet, and hydraulic control device closes sealed lid afterwards, makes to form a sealed cavity in the combustion chamber, and rubbish burns the schizolysis under the low oxygen environment. Furthermore, a garbage crushing device is arranged at the feed inlet, so that garbage is crushed, and the contact range of the garbage and gas is enlarged.

The utility model discloses bottom at the furnace body is provided with chassis 7, chassis 7 and the lower border sealing connection of furnace body. As an example, the bottom plate may be provided with slag leaking holes for leaking slag or a grid structure. Garbage is piled up on the chassis for cracking, and waste materials after incineration and cracking fall into the slag discharging device through holes in the chassis.

The slag discharging device of the utility model is arranged at the lower part of the chassis 7. The slag discharging device comprises a concave slag collecting hopper 9, and a spiral slag discharging device 10 is arranged in the slag collecting hopper 9. The spiral slag discharging device comprises a spiral feeding pipe, and waste materials in the slag collecting hopper are discharged by the spiral feeding pipe.

The utility model discloses an air inlet unit is including magnetization intake pipe 8, and the bottom detachable of magnetization intake pipe 8 sets up on chassis 7. The air is in magnetization intake pipe 8 entering combustion chamber, and magnetization intake pipe 8 magnetizes the air, improves the activity of oxygen, and after magnetization air got into the combustion chamber, the rubbish in the combustion chamber was indirectly magnetized, has improved pyrolysis efficiency greatly, can crack under 200 + 400 ℃ low temperature, can not produce harmful gas such as dioxin, and pyrolysis efficiency is high, and harmful substance produces fewly, and the waste material produces fewly.

The utility model discloses be provided with electric heater unit in the combustion chamber. When the initial incineration is carried out, the electric heating device provides heat to incinerate and crack the garbage, and after the temperature in the furnace rises, the heat generated by combustion can maintain the continuous combustion of the garbage, so that the electric heating device can be closed.

The utility model discloses be provided with temperature sensor in the combustion chamber, be provided with explosion-proof valve on the furnace body. The temperature in the furnace can be conveniently observed by a user, and the safety of the furnace body is improved.

Claims

1. A low-nitrogen cracking furnace for household garbage is characterized by comprising a furnace body, wherein a cavity-shaped combustion chamber is arranged in the furnace body, a feeding device and an exhaust device are arranged at the top of the furnace body, and a slag discharging device and an air inlet device are arranged at the bottom of the furnace body;

2. The low-nitrogen household garbage cracking furnace as claimed in claim 1, wherein the feeding device comprises a feeding port, a sealing cover arranged at the upper part of the feeding port and a hydraulic control device; the hydraulic control device comprises an oil cylinder support and a hydraulic cylinder, wherein the fixed end of the hydraulic cylinder is hinged with the oil cylinder support, and the movable end of the hydraulic cylinder is hinged with the sealing cover; the hydraulic control device controls the opening and closing of the feeding hole.

3. The low-nitrogen household garbage cracking furnace as claimed in claim 2, wherein a garbage crushing device is arranged at the feed inlet.

4. The low-nitrogen household garbage cracking furnace as claimed in claim 1, wherein a flow guide hole is formed in the inner liner.

5. The low-nitrogen household garbage cracking furnace as claimed in claim 1, wherein a slag leakage hole is formed in the base plate.

6. The low-nitrogen household garbage cracking furnace as claimed in claim 1, wherein the base plate is of a grid-like structure.

7. The low-nitrogen household garbage cracking furnace as claimed in claim 1, wherein an electric heating device is arranged in the combustion chamber.

8. The low-nitrogen household garbage cracking furnace as claimed in claim 1, wherein a temperature sensor is arranged in the combustion chamber.

9. The low-nitrogen household garbage cracking furnace as claimed in claim 1, wherein the high-temperature resistant layer is a high-temperature resistant refractory brick layer.

10. The low-nitrogen household garbage cracking furnace as claimed in claim 1, wherein an explosion-proof valve is arranged on the furnace body.