CN210568491U - Ignition combustion mechanism for garbage disposal device - Google Patents

Abstract

The utility model discloses an ignition combustion mechanism for among refuse treatment device, through in the combustion chamber, set up the windshield between air inlet and the waste gas inlet pipe to press close to the export setting of waste gas inlet pipe with the ignition needle, both protected the ignition process reliability of waste gas, protected the combustion process relatively stable of waste gas again, reduced combustible gas in the waste gas stream in the burning, the possibility of being sent into the air current blow-off of combustion chamber. Thereby preventing the combustible gas generated in the garbage treatment process from being directly discharged to the atmosphere, and causing the possibility of environmental pollution.

Description

Ignition combustion mechanism for garbage disposal device

Technical Field

The utility model relates to a refuse treatment field especially relates to an ignition burning mechanism for among refuse treatment device.

Background

The production of garbage, especially household garbage, is increasing with the development of economic life and is becoming an increasingly barrier to urbanization. According to statistics, the quantity of domestic garbage generated every day in China is about twenty thousand tons, and the garbage is enclosed in cities and becomes the current situation of most of large cities. The current common garbage disposal methods include landfill and incineration disposal, and generally, after classification, the garbage is disposed according to different categories, including recovering the recoverable part of the garbage, and subjecting the non-recoverable part of the garbage to incineration and carbonization treatment, or after fermentation treatment, the solid residue is buried. During the carbonization process or fermentation, combustible gas such as methane, biogas and the like is also generated and needs to be ignited and burnt to be removed, so that the atmosphere is prevented from being polluted.

However, since the amount of combustible gas generated from garbage is small and unstable, the combustion is unstable, and the flow rate of air for combustion is slightly large, the combustible gas may be blown out, and the combustible gas may be directly discharged to pollute the atmosphere.

Thus, the prior art is subject to further improvements and enhancements.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of prior art, the utility model provides an ignition burning mechanism for among refuse treatment device to solve prior art, when the combustible gas that rubbish produced burns in refuse treatment device and gets rid of, lead to the combustion process unstability because combustible gas's flow is unstable easily, can be by direct emission to the atmosphere in, cause the problem of atmosphere pollution.

In order to achieve the purpose, the utility model provides an ignition combustion mechanism used in a garbage disposal device, which comprises a hollow combustion chamber, wherein two opposite ends of the combustion chamber are respectively provided with an air inlet and an exhaust port, the side wall of the combustion chamber is provided with at least one waste gas inlet pipe, and an ignition needle is arranged close to and just opposite to the outlet of the waste gas inlet pipe; the air inlet is arranged on the air inlet pipe, and the waste gas inlet pipe is arranged on the air outlet pipe.

Preferably, the windshield is circular, and the ignition needle is fixed at the position of the circle center of the windshield.

More preferably, the windshield is a circular cover, and an opening surface of the circular cover is arranged toward the exhaust port.

Further preferably, the opening of the dome faces and is proximate to the exhaust gas inlet pipe.

Preferably, the combustion chamber comprises an expansion part and a contraction part which are smoothly connected, the air inlet is positioned at one end of the bottom surface of the expansion part, and the exhaust port is arranged at one end of the top surface of the contraction part.

More preferably, the combustion chamber is a truncated cone shape, and comprises a smoothly connected truncated cone portion and a smoothly connected truncated cone portion, and the exhaust gas inlet pipe is arranged on the side wall of the truncated cone portion.

Further preferably, the exhaust gas inlet pipe opens at a position near a center of the circular table portion.

Preferably, the side wall of the combustion chamber is further provided with an observation window, and the observation window is arranged opposite to the ignition needle.

More preferably, the combustion chamber is in a shape of a truncated cone, and comprises a truncated cone portion and a conical cone portion which are smoothly connected, and the observation window is arranged on the side wall of the conical cone portion.

Further preferably, transparent glass is hermetically arranged in the observation window.

The technical effects are as follows: the utility model discloses an ignition combustion mechanism for among refuse treatment device, through in the combustion chamber, set up the windshield between air inlet and the waste gas inlet pipe to press close to the export setting of waste gas inlet pipe with the ignition needle, both protected the ignition process reliability of waste gas, protected the combustion process relatively stable of waste gas again, reduced combustible gas in the waste gas stream in the burning, the possibility of being sent into the air current blow-off of combustion chamber. Thereby preventing the combustible gas generated in the garbage treatment process from being directly discharged to the atmosphere, and causing the possibility of environmental pollution.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

Drawings

Fig. 1 is a perspective view of an ignition combustion mechanism for use in a waste disposal device in accordance with a preferred embodiment of the present invention;

FIG. 2 is a side view of an ignition combustion mechanism for use in a waste management device in accordance with a preferred embodiment of the present invention;

fig. 3 is a front view of an ignition combustion mechanism for use in a waste management device in accordance with a preferred embodiment of the present invention.

In the figure: 1. the air inlet, 2, the windshield, 3, the ignition needle, 4, the exhaust port, 5, the observation window, 6, the waste gas inlet pipe, 7, the combustion chamber, 8, the electric wire, 71, the expansion part and 72, the contraction part.

Detailed Description

The technical contents of the preferred embodiments of the present invention will be more clearly understood and appreciated by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments, and the scope of the invention is not limited to the embodiments described herein.

In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.

The utility model discloses an ignition combustion mechanism used in a garbage disposal device, the whole structure of the ignition combustion mechanism is shown in figure 1, and the ignition combustion mechanism comprises a hollow combustion chamber 7, and at least one waste gas inlet pipe 6 is arranged on the side wall of the combustion chamber 7 and is used for introducing waste gas containing combustible gas components; and the air inlet 1 and the exhaust port 4 are respectively arranged at two opposite ends of the combustion cavity 7, wherein the air inlet 1 is used for introducing fresh air to support combustion, and the exhaust port 4 is used for sending out tail gas after combustion, and the tail gas can be directly discharged into the atmosphere or is discharged into the atmosphere after absorbing ingredients which are not beneficial to the environment through a filtering device.

In a better embodiment, the combustion chamber 7 comprises an expansion part 71 and a contraction part 72 which are smoothly connected, wherein the air inlet 1 is positioned at one end of the bottom surface of the expansion part 71, the exhaust port 4 is arranged at one end of the top surface of the contraction part 72, namely the end part of the contraction part 72 after contraction, and the exhaust gas inlet pipe 6 is arranged on the side wall of the combustion chamber 7 close to the air inlet 1, namely the side wall of the expansion part 71, and the exhaust gas inlet pipe 6 is arranged close to the air inlet 1, so that the combustion process can be mainly completed in the expansion part 71, and the combustion can be relatively stable because the internal space of the expansion part 71 is larger, the flow speed of the air flow in the expansion part is relatively lower, and the interference to the combustion is smaller.

In particular, the combustion chamber 7 is provided in the form of a truncated cone comprising a circular truncated cone portion smoothly connected to a conical portion of gradually decreasing radius, and the exhaust gas inlet pipe 6 is provided at the side of the circular truncated cone portion, and the opening of the exhaust gas inlet pipe 6 is close to the position of the center of the circular truncated cone portion. The conical frustum shape has the advantages of improving the smoothness of the flowing of the internal gas, reducing the occurrence of the turbulent flow of the internal gas and further ensuring the combustion stability.

As shown in the sectional side view of fig. 2 and the sectional front view of fig. 3, at the outlet close to and facing the exhaust gas inlet pipe 6, there is provided an ignition pin 3 for igniting the combustible gas in the exhaust gas, and the ignition pin 3 is preferably electrically ignited and externally electrically connected through an electric wire 8.

And, the utility model discloses an innovation point lies in, sets up a windshield 2 in combustion chamber 7, and windshield 2 sets up between air inlet 1 and waste gas inlet pipe 6, especially the export setting of inlet pipe 6 of being close to for the export of inlet pipe 6 of waste gas is located near the central point of windshield 2. Namely, the windshield 2 separates the outlet of the waste gas inlet pipe 6 and the ignition needle 3 from the air flow sent in the air inlet 1 to the maximum extent, and the air flow is prevented from directly blowing to the outlet, so that the interference of the air flow to the combustion flame is further reduced.

The specific shape of the windshield 2 can be determined according to the local cross-sectional shape of the combustion chamber 7, and can also be simply set to be a circle, and the ignition needle 3 and the outlet of the exhaust gas inlet pipe 6 are fixedly arranged at the center of the circle of the windshield 2, because the air flow velocity at the center of the circle is the lowest and is close to 0, the air flow in all directions is weakened, and the air flow velocity at the periphery of the flame is gradually increased, so that the fresh air supply combustion can be ensured.

In a more preferred embodiment, the windshield 2 is further provided in the shape of a dome, the opening face of which is disposed toward the exhaust port 4, which further increases the range of the air stagnation region inside the combustion chamber 7, and it is easier to arrange the opening positions of the ignition needle 3 and the exhaust gas inlet pipe 6, particularly to dispose the opening of the dome directly toward and in close proximity to the exhaust gas inlet pipe 6. Disturbance of the combustion by the air flow inside the combustion chamber 7 is substantially completely prevented. And the fresh air required for combustion is stably supplied by convection of heat generated by combustion to support combustion.

In order to observe the combustion condition inside the combustion chamber 7 conveniently, an observation window 5 can be directly arranged on the side wall of the combustion chamber 7, and the observation window 5 is arranged opposite to the ignition needle 3. When the combustion chamber 7 is shaped like a truncated cone, the observation window 5 is provided on the side wall of the conical portion, i.e., at a position downstream of the flame, and is prevented from being blocked by the windshield 2.

In a more preferred embodiment, the viewing window is a sealed structure including a transparent glass for separating the combustion chamber from the outside, and preventing the gas in the combustion chamber 7 from leaking out while allowing the viewing from the outside.

To sum up, the utility model discloses an ignition combustion mechanism for among refuse treatment device through in combustion chamber 7, sets up windshield 2 between air inlet 1 and the waste gas inlet pipe 6 to press close to the export setting of waste gas inlet pipe 6 with ignition needle 3, both protected the ignition process reliability of waste gas, protected the combustion process relatively stable of waste gas again, reduced among the waste gas stream combustible gas in the burning, the air current that is sent into in combustion chamber 7 blows out probably. Thereby preventing the combustible gas generated in the garbage treatment process from being directly discharged to the atmosphere, and causing the possibility of environmental pollution.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (10)

1. An ignition combustion mechanism for a garbage disposal device is characterized by comprising a hollow combustion chamber, wherein two opposite ends of the combustion chamber are respectively provided with an air inlet and an exhaust port, the side wall of the combustion chamber is provided with at least one waste gas inlet pipe, and an ignition needle is arranged close to and opposite to the outlet of the waste gas inlet pipe; the air inlet is arranged on the air inlet pipe, and the waste gas inlet pipe is arranged on the air outlet pipe.

2. The ignition combustion mechanism for a garbage disposal apparatus as defined in claim 1, wherein said windshield is circular, and said ignition needle is fixed to a center of said windshield.

3. The ignition combustion mechanism for a garbage disposal apparatus as defined in claim 2, wherein said windshield is a circular cover, an opening surface of said circular cover being disposed toward said exhaust port.

4. The ignition combustion mechanism for use in a waste management device of claim 3, wherein the opening of the dome faces and is proximate to the waste gas inlet pipe.

5. The ignition combustion mechanism for a garbage disposal apparatus as set forth in any one of claims 1 to 4, wherein said combustion chamber comprises an enlarged portion and a constricted portion which are smoothly connected, said air inlet is provided at one end of a bottom surface of said enlarged portion, and said air outlet is provided at one end of a top surface of said constricted portion.

6. The ignition combustion mechanism for a garbage disposal apparatus as defined in claim 5, wherein said combustion chamber has a truncated cone shape including a smoothly connected truncated cone portion and a truncated cone portion, and said exhaust gas inlet pipe is provided to a side wall of said truncated cone portion.

7. The ignition combustion mechanism for a garbage disposal apparatus as set forth in claim 6, wherein said exhaust gas inlet pipe opens at a position close to a center of the circular table portion.

8. The ignition combustion mechanism for a garbage disposal apparatus as defined in claim 1, wherein an observation window is further provided on a side wall of said combustion chamber, and said observation window is disposed opposite to said ignition needle.

9. The ignition combustion mechanism for a garbage disposal device according to claim 8, wherein said combustion chamber has a truncated cone shape, comprising a smoothly connected truncated cone portion and a truncated cone portion, and said observation window is provided on a side wall of said truncated cone portion.

10. The ignition and combustion mechanism for a garbage disposal apparatus according to claim 9, wherein a transparent glass is hermetically provided in the observation window.

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