Auxiliary combustion device of household garbage incineration boiler
By introducing an auxiliary combustion device into the municipal solid waste incineration boiler, the furnace temperature is maintained above 850℃, which solves the problem of incomplete combustion and achieves volume reduction after incineration and effective treatment of dioxins.
Patent Information
- Application Number
- CN202423276749.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In existing municipal solid waste incineration boilers, the furnace temperature is difficult to control stably during the incineration process, resulting in incomplete combustion and excessively large residual volume after incineration, which affects the treatment of dioxins.
An auxiliary combustion device was designed, including a burner, a gas guiding device, and a flame detection structure. By maintaining the furnace temperature above 850°C and coordinating with valves to control the supply of combustibles, complete combustion is ensured.
It achieves stable temperature control inside the furnace, and the volume is reduced by 50-80% after incineration, which helps to effectively treat dioxin-like substances and improves incineration efficiency.
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Figure CN223709657U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to garbage incineration equipment technical field, concretely is the auxiliary combustion device of domestic waste incineration boiler. BACKGROUND
[0002] At present, garbage incineration boiler needs to be used when domestic waste is incinerated, and smoke is generated when the garbage incineration boiler incinerates domestic waste, and dioxin exists in the domestic waste incineration smoke, which is a highly toxic substance that causes great harm to the environment. Effectively controlling the generation and diffusion of dioxin substances is directly related to the promotion and application of garbage incineration and garbage power generation technology.
[0003] The existing domestic waste incineration boiler still has the following problems when in use: the garbage incineration is through appropriate thermal decomposition, combustion, melting and other reactions, so that the garbage is reduced in volume through oxidation at high temperature, and becomes a process of residual or molten solid material. However, due to the difficulty in controlling the stable temperature in the furnace during garbage incineration, the domestic waste in the furnace is prone to incomplete combustion, which leads to excessive volume after incineration and affects the treatment of dioxin substances in the residual material after incineration. UTILITY MODEL CONTENT
[0004] (I) Technical problem solved
[0005] In view of the deficiencies of the prior art, the utility model provides an auxiliary combustion device for domestic waste incineration boiler, which solves the problems raised in the background art.
[0006] (II) Technical scheme
[0007] In order to achieve the above purpose, the utility model provides the following technical scheme: an auxiliary combustion device for domestic waste incineration boiler, comprising a combustion mechanism, the combustion mechanism comprises a burner, one end of the burner is provided with a feeding and ignition mechanism, the top end of the burner is provided with an air inlet connector, the air inlet connector is provided with a gas guide device, the gas guide device is fixedly connected to the air guide pipe above the air inlet connector, the air guide pipe away from the air inlet connector one end is fixedly installed with air guide fan, the feeding and ignition mechanism comprises a sealing cover fixedly connected to the opening at one end of the burner, the sealing cover is provided with a first installation groove and a second installation groove corresponding between the upper side wall and the middle two side walls, the first installation groove is fixedly installed with an ignition device, the second installation groove is fixedly installed with a mixing injector, the mixing injector is fixedly installed with a compressed gas conveying pipeline and an oil supply pipeline at the feeding port of the front and rear two sides respectively, the compressed gas conveying pipeline and the oil supply pipeline are provided with control valves.
[0008] As a further scheme of the utility model: the compressed gas conveying pipeline and oil supply pipeline include a second connecting pipe connected to the one end interface of the control valve, a connecting flange is fixedly connected to the one end interface of the second connecting pipe, the compressed gas conveying pipeline and oil supply pipeline include a first connecting pipe connected to the other end interface of the control valve, and the first connecting pipe is connected with the feed port on the corresponding side thereof.
[0009] As a further scheme of the utility model: the ignition device includes an igniter fixedly installed in the first installation slot, an ignition wheel is arranged at one end of the igniter, a through groove is arranged between the two side walls below the sealing cover, and a temperature detector is fixedly installed in the through groove.
[0010] As a further scheme of the utility model: the burner is fixedly connected with an arc-shaped seat at the bottom end, the arc-shaped seat is fixedly connected with a first mounting seat at the bottom end, the air guide fan is fixedly installed with a second mounting seat at the bottom end, and a connecting joint is fixedly installed at the flame outlet on the other side of the burner.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] 1、The auxiliary combustion device is arranged in cooperation with the household garbage incineration boiler, mainly includes a burner, a valve and an air guide device, the furnace temperature can be kept above 850 DEG C in cooperation, the temperature in the furnace is controlled to be higher than 850 DEG C, the volume is reduced by 50-80% after incineration, and the dioxin-like substance treatment of the residual material after incineration is facilitated.
[0013] 2、The temperature detector is arranged as the flame detection structure, the temperature condition in the burner can be detected in real time, the valve of the gas supply pipeline and the oil supply pipeline can be closed simultaneously when problems occur, then the combustible supply amount can be controlled, and the combustion control in the burner is achieved. DRAWINGS
[0014] Fig. 1 It is the overall perspective view of the utility model;
[0015] Fig. 2 It is the burner perspective view of the utility model;
[0016] Fig. 3 It is the air supply equipment perspective view of the utility model;
[0017] Fig. 4 It is the feed ignition mechanism perspective view of the utility model.
[0018] In the figure: 1, combustion mechanism; 2, feeding ignition mechanism; 11, combustor; 12, air inlet joint; 13, connecting joint; 14, arc-shaped seat; 15, first mounting seat; 16, air guide pipe; 17, air guide fan; 18, second mounting seat; 21, sealing cover; 22, first mounting groove; 23, second mounting groove; 24, temperature detector; 25, igniter; 26, ignition wheel; 27, mixing injector; 28, first connecting pipe; 29, control valve; 210, second connecting pipe; 211, connecting flange. DETAILED DESCRIPTION
[0019] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.
[0020] In the description of the present application, unless otherwise specified and limited, the meaning of "a plurality of" is two or more than two; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the device or element indicated or implied to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0021] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0022] Please refer to Figs. 1-4The utility model discloses a supplementary combustion device of domestic waste incineration boiler, including combustion mechanism 1, and combustion mechanism 1 includes a burner 11, and the burner 11 one end is equipped with the feeding ignition mechanism 2, and the burner 11 top is provided with the air inlet connector 12, and the air inlet connector 12 is equipped with the air guide equipment, and the air guide equipment is fixedly connected on the air guide pipe 16 of air inlet connector 12 upper portion, and the air guide pipe 16 is away from the air guide fan 17 of air inlet connector 12 one end fixed mounting, and the feeding ignition mechanism 2 includes the sealing cover 21 of fixedly connected on the opening of burner 11 one end, and the sealing cover 21 upper portion and the two side walls between middle portion are each correspondingly provided with first installation groove 22 with second installation groove 23, and the first installation groove 22 is fixedly installed with ignition equipment, and the second installation groove 23 is fixedly installed with mixed injector 27, and the mixed injector 27 front and back two sides feed port are respectively fixedly installed with compressed gas delivery pipeline and oil supply pipeline, and compressed gas delivery pipeline and oil supply pipeline are all provided with control valve 29, and the supplementary combustion device of whole cooperation domestic waste incineration boiler is provided with, and it mainly includes burner 11, valve and air guide equipment, and it can cooperate and keep hearth temperature stable at 850 DEG C above, make the temperature control in stove higher than 850 DEG C, and the volume after incineration reduces 50-80% than original, and it is favorable to the dioxin substance processing of residual material after incineration.
[0023] Compressed gas delivery pipeline and oil supply pipeline include the second connecting pipe 210 of connecting on the one end interface of control valve 29, and the second connecting pipe 210 one end interface is fixedly connected with the connecting flange 211, and compressed gas delivery pipeline and oil supply pipeline include the first connecting pipe 28 of connecting on the other end interface of control valve 29, and the first connecting pipe 28 is connected with the feed port of its corresponding one side, and can be connected compressed air supply equipment and oil supply equipment via compressed gas delivery pipeline and oil supply pipeline corresponding, and supplies combustible and combustion-supporting material for burner 11.
[0024] Ignition equipment includes the igniter 25 of fixedly installed in first installation groove 22, and the igniter 25 one end is provided with ignition wheel 26, and the sealing cover 21 lower portion two side walls are provided with the through slot between, and the through slot is fixedly installed with temperature detector 24, and the whole is provided with flame detection structure, that is, temperature detector 24, which can detect the temperature condition in burner 11 in real time, can close the valve of gas supply pipeline and oil supply pipeline simultaneously when the problem occurs, and then control the combustible supply amount, play the role of combustion control in burner 11.
[0025] The burner 11 bottom is fixedly connected with the arc-shaped seat 14, and the arc-shaped seat 14 bottom is fixedly connected with the first mounting seat 15, and the air guide fan 17 bottom is fixedly installed with the second mounting seat 18, and the burner 11 other side flame outlet is fixedly installed with the connecting joint 13, and can be connected with domestic waste incineration boiler through connecting joint 13, and the flame that it sprays can incinerate the domestic waste in it.
[0026] The working principle of the utility model is: compressed air supply equipment and oil supply equipment can be connected through compressed gas delivery pipeline and oil supply pipeline, combustible and combustion-supporting material can be supplied to the burner 11 through the mixed injector 27, and the burner 11 can be ignited through the ignition equipment, the burner 11 can be connected with the household garbage incineration boiler through the connecting joint 13, the flame sprayed can incinerate the household garbage, the auxiliary combustion device is arranged on the household garbage incineration boiler, which mainly comprises the burner 11, the valve and the air guide equipment, the furnace temperature can be kept above 850 DEG C, the temperature in the furnace can be controlled above 850 DEG C, the volume of the incinerated residue is reduced by 50-80% than the original, which is beneficial to the treatment of dioxin substances in the incinerated residue, and the flame detection structure, i.e. the temperature detector 24, is arranged on the whole, which can detect the temperature condition in the burner 11 in real time, the valve of the gas supply pipeline and the oil supply pipeline can be closed when problems occur, and then the combustible supply amount can be controlled, so as to control the combustion in the burner 11.
[0027] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. An auxiliary combustion device for a municipal solid waste incineration boiler, comprising a combustion mechanism (1), wherein the combustion mechanism (1) comprises a burner (11). Its features are: The burner (11) is provided with a feeding and ignition mechanism (2) at one end, and an air inlet connector (12) is provided at the top of the burner (11), and the air inlet connector (12) is provided with an air guiding device. The air guiding device is fixedly connected to the air guiding pipe (16) above the air inlet connector (12), and an air guiding fan (17) is fixedly installed at the end of the air guiding pipe (16) away from the air inlet connector (12). The feeding and ignition mechanism (2) includes a sealing cover (21) fixedly connected to the opening at one end of the burner (11). A first mounting groove (22) and a second mounting groove (23) are respectively opened on the top of the sealing cover (21) and between the two side walls in the middle. An ignition device is fixedly installed in the first mounting slot (22), and a mixing injector (27) is fixedly installed in the second mounting slot (23). Compressed gas conveying pipes and oil supply pipes are fixedly installed at the feed ports on the front and rear sides of the mixing injector (27), and control valves (29) are provided in both the compressed gas conveying pipes and the oil supply pipes.
2. The auxiliary combustion device for a municipal solid waste incineration boiler according to claim 1, characterized in that: The compressed gas delivery pipeline and the oil supply pipeline include a second connecting pipe (210) connected to one end of the control valve (29), and a connecting flange (211) is fixedly connected to one end of the second connecting pipe (210).
3. The auxiliary combustion device for a municipal solid waste incineration boiler according to claim 1, characterized in that: The compressed gas delivery pipeline and the oil supply pipeline include a first connecting pipe (28) connected to the other end interface of the control valve (29), and the first connecting pipe (28) is connected to the feed port on its corresponding side.
4. The auxiliary combustion device for a municipal solid waste incineration boiler according to claim 1, characterized in that: The ignition device includes an igniter (25) fixedly installed in the first mounting slot (22), and an ignition wheel (26) is provided at one end of the igniter (25).
5. The auxiliary combustion device for a municipal solid waste incineration boiler according to claim 1, characterized in that: A through groove is provided between the two side walls below the sealing cover (21), and a temperature detector (24) is fixedly installed in the through groove.
6. The auxiliary combustion device for a municipal solid waste incineration boiler according to claim 1, characterized in that: The burner (11) is fixedly connected to an arc-shaped seat (14) at the bottom end, the arc-shaped seat (14) is fixedly connected to a first mounting seat (15) at the bottom end, and the air guide fan (17) is fixedly installed with a second mounting seat (18) at the bottom end.
7. The auxiliary combustion device for a municipal solid waste incineration boiler according to claim 1, characterized in that: A connecting joint (13) is fixedly installed at the flame outlet on the other side of the burner (11).