CN216010819U - Efficient biomass combustion furnace - Google Patents

Abstract

The utility model discloses a high-efficiency biomass combustion furnace which comprises a furnace body, wherein a vertical partition plate is arranged in the center of the furnace body and divides the furnace body into a feeding chamber and a combustion chamber, a feeding hopper, a conveying pipeline, a driving motor and an air blower are arranged in the feeding chamber, a transverse partition plate, a heat-insulating furnace wall and a furnace ash hopper are arranged in the combustion chamber, a feeding ramp is arranged above the transverse partition plate, a fire through hole is formed in the center of the transverse partition plate, a surrounding plate is arranged on the fire through hole, and the heat-insulating furnace wall is arranged below the transverse partition plate and is fixedly connected with the transverse partition plate through a plurality of connecting rods. The high-efficiency biomass combustion furnace adopting the structure has the advantages of full combustion, energy utilization rate, capability of meeting the requirements of heating and cooking of residents in winter by utilizing clean energy and convenience in use.

Description

Efficient biomass combustion furnace

Technical Field

The utility model relates to the field of biomass combustion furnaces, in particular to a high-efficiency biomass combustion furnace.

Background

The biomass combustion furnace is also called a straw gas making furnace, a biomass gasification furnace and a gasification furnace. The straw fuel gas is a combustible gas produced by carrying out closed oxygen deficiency on biomass and adopting a pyrolysis method and a thermochemical oxidation method, and the gas is a mixed gas containing carbon monoxide, hydrogen, methane and the like and is also called as biomass gas. The working process of the biomass combustion furnace is as follows: the fuel is put into a hearth, the fuel is ignited, and the fuel is gasified to generate fuel gas, and the fuel gas is combusted secondarily. In the daily application of residents, the biomass combustion furnace has the functions of heating and cooking in winter, biomass fuel needs to be converted into heat, the conversion rate is higher when the biomass fuel is fully combusted, and the biomass combustion furnace is more convenient to use and saves energy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-efficiency biomass combustion furnace which is sufficient in combustion, high in energy utilization rate, capable of meeting the requirements of heating and cooking of residents in winter by utilizing clean energy and convenient to use.

In order to achieve the purpose, the utility model provides a high-efficiency biomass combustion furnace, which comprises a furnace body, wherein a vertical partition plate is arranged in the center of the furnace body, the vertical partition plate divides the furnace body into a feeding chamber and a combustion chamber, a feeding hopper, a conveying pipeline, a driving motor and an air blower are arranged in the feeding chamber, a transverse partition plate, a heat-insulating furnace wall and a furnace ash hopper are arranged in the combustion chamber, a feeding ramp is arranged above the transverse partition plate, a fire through hole is arranged in the center of the transverse partition plate, a surrounding plate is arranged on the fire through hole, the heat-insulating furnace wall is arranged below the transverse partition plate and is fixedly connected with the transverse partition plate through a plurality of connecting rods, the heat-insulating furnace wall is cylindrical, a hearth is formed in the center of the heat-insulating furnace wall, a gasification layer is formed between the heat-insulating furnace wall and the outer wall of the combustion chamber, and a gasification net is arranged between the fire through hole and the top end opening of the hearth, the bottom of furnace is provided with the deashing board, be provided with a plurality of small openings on the deashing board, the one end of deashing board pass through the bull stick with thermal-insulated oven pegs graft, the other end and the action bars fixed connection of deashing board, the action bars outwards pass thermal-insulated oven with the furnace body, the furnace bottom is provided with ignition, the furnace below is provided with the stove ash bucket.

Preferably, the inside top of batch charging chamber is provided with down the hopper, transfer pipe is located the slope upwards sets up in the hopper down, transfer pipe's discharge end with unloading ramp looks UNICOM, be provided with the conveying auger in the transfer pipe, the conveying auger with driving motor links, the air-blower set up in down the hopper below, be provided with control panel on batch charging chamber's the outer wall, control panel with driving motor the air-blower ignition electricity is connected.

Preferably, the bottom end of the blanking ramp penetrates through the coaming and is lapped on the edge of the fire through hole, the top end of the gasification net is in contact with the edge of the fire through hole, and the bottom end of the gasification net is in contact with the top surface of the heat-insulating furnace wall.

Preferably, the blower is communicated with the hearth through a ventilation pipe.

Preferably, a feeding port is formed in the top surface of the feeding chamber, a furnace fire port and an air outlet are formed in the top surface of the combustion chamber, the furnace fire port is located in the center of the top surface, the air outlet is communicated with a chimney, a surrounding water pipe is arranged on the inner wall of the top end of the combustion chamber, the water pipe is communicated with a heater, and a water inlet and a water outlet are formed in the back surface of the combustion chamber.

Therefore, the high-efficiency biomass combustion furnace adopting the structure is characterized in that the feeding cabinet is used for feeding and storing materials, the biomass fuel is pushed by the conveying auger to be conveyed into the combustion chamber for combustion, the fuel gas generated in the hearth is secondarily combusted through the gasification layer and the gasification net, the blower is used for supplying sufficient oxygen in the hearth and controlling the fire intensity, so that sufficient heat can be supplied to a fire hole of the furnace to meet the cooking requirement, meanwhile, water in the water pipe is heated, the heating requirement in winter is met, and the high-efficiency biomass combustion furnace is rapid in heating, energy-saving and environment-friendly.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a high efficiency biomass burner of the present invention;

FIG. 2 is a top view of a structure according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a gasification grid according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of an exemplary embodiment of a soot cleaning plate according to the present invention.

Reference numerals

1. A furnace body; 11. a vertical partition plate; 2. a feeding chamber; 21. feeding a hopper; 22. a delivery conduit; 23. a drive motor; 24. a control panel; 25. conveying the auger; 26. a feeding port; 27. a blanking ramp; 3. a combustion chamber; 31. a furnace fire hole; 32. a diaphragm plate; 33. a gasification net; 34. a water pipe; 35. a thermally insulated furnace wall; 36. a gasification layer; 37. a furnace dust hopper; 38. a hearth; 39. an air outlet; 4. a blower; 41. a vent pipe; 5. cleaning the ash plate; 51. a leak hole; 52. a rotating rod; 53. an operating lever; 6. enclosing plates; 7. an ignition device.

Detailed Description

The technical solution of the present invention is further illustrated by the accompanying drawings and examples.

Examples

As shown in the figure, an efficient biomass combustion furnace comprises a furnace body 1, a vertical partition plate 11 is arranged in the center of the furnace body 1, the vertical partition plate 11 divides the furnace body 1 into a feeding chamber 2 and a combustion chamber 3, a discharging hopper 21 is arranged in the feeding chamber 2, a conveying pipeline 22, a driving motor 23 and an air blower 4, a feeding port 26 is arranged on the top surface of the feeding chamber 2, a discharging hopper 21 is arranged at the top end inside the feeding chamber 2, the conveying pipeline 22 is positioned in the discharging hopper 21 and is obliquely and upwards arranged, the discharging end of the conveying pipeline 22 is communicated with a discharging ramp 27, a conveying auger 25 is arranged in the conveying pipeline 22, the conveying auger 25 is linked with the driving motor 23, the air blower 4 is arranged below the discharging hopper 21, a control panel 24 is arranged on the outer wall of the feeding chamber 2, and the control panel 24 is electrically connected with the driving motor 23, the air blower 4 and an ignition device 7. The driving motor 23 is started under the control of the control panel 24, the conveying auger 25 starts to rotate, the biomass fuel in the discharging hopper 21 is conveyed upwards, and the biomass fuel is conveyed into the combustion chamber 3 after passing through the conveying pipeline 22.

Be provided with horizontal partition plate 32, thermal-insulated oven 35, ashes fill 37 in the combustion chamber 3, be provided with unloading ramp 27 above horizontal partition plate 32, the central authorities of horizontal partition plate 32 are provided with logical fire hole, are provided with bounding wall 6 on the logical fire hole, and the bottom of unloading ramp 27 passes bounding wall 6 and laps in the edge of logical fire hole. The coaming 6 can gather the flame from the hearth 38, so that the heat effect is more concentrated, and meanwhile, the fuel is prevented from being scattered around the fire through hole. The heat insulation furnace wall 35 is arranged below the diaphragm plate 32 and fixedly connected with the diaphragm plate 32 through a plurality of connecting rods, the heat insulation furnace wall 35 is cylindrical, a hearth 38 is formed in the center of the heat insulation furnace wall 35, fuel from the conveying pipeline 22 naturally slides down under the action of gravity after entering the blanking ramp 27, and enters the hearth 38 through the fire through hole to be combusted and gasified in the hearth 38. The blower 4 is communicated with the hearth 38 through a ventilation pipe 41, the blower 4 is started under the control of the control panel 24, and wind with different flow rates and strengths is blown out under different power states, so that the fire intensity is controlled.

A gasification layer 36 is formed between the heat-insulating furnace wall 35 and the outer wall of the combustion chamber 3. A gasification net 33 is arranged between the fire through hole and the top end opening of the hearth 38, the top end of the gasification net 33 is contacted with the edge of the fire through hole, and the bottom end of the gasification net 33 is contacted with the top surface of the heat insulation furnace wall 35. The fuel gas generated by the biomass fuel bypasses the gasification layer 36 from the lower part of the hearth 38 and upwards reaches the gasification net 33, the fuel gas is combusted at the gasification net 33 to release heat, and the fuel and fuel gas secondary combustion process enables the fuel to be combusted more thoroughly, so that the energy utilization rate is higher, and the biomass fuel is more energy-saving and environment-friendly.

The bottom of the hearth 38 is provided with an ash cleaning plate 5, the ash cleaning plate 5 is provided with a plurality of leak holes 51, one end of the ash cleaning plate 5 is inserted into the heat insulation furnace wall 35 through a rotating rod 52, the other end of the ash cleaning plate 5 is fixedly connected with an operating rod 53, and the operating rod 53 outwards penetrates through the heat insulation furnace wall 35 and the furnace body 1. The ash removal plate 5 is used for receiving biomass fuel when being horizontally placed, and does not obstruct the air circulation between the hearth 38 and the gasification layer 36. When the slag and the furnace dust on the dust removing plate 5 need to be poured, the operation rod 53 is pulled to rotate the dust removing plate 5, so that the slag on the dust removing plate 5 is dropped. The bottom of the furnace 38 is provided with an ignition device 7 for igniting the fuel. An ash hopper 37 is arranged below the hearth 38 and used for receiving slag and ash.

The top surface of the combustion chamber 3 is provided with a fire hole 31 and an air outlet 39, and the fire hole 31 is positioned in the center of the top surface and used for placing objects for heating, such as a pot, a kettle and the like. The air outlet 39 is in communication with the chimney for exhausting the exhaust gases. The inner wall at the top end of the combustion chamber 3 is provided with a surrounding water pipe 34, the back of the combustion chamber 3 is provided with a water inlet and a water outlet, and the water pipe 34 is communicated with a heater and used for indoor heating.

Therefore, the high-efficiency biomass combustion furnace adopting the structure is fed and stored through the feeding cabinet, biomass fuel is conveyed to the combustion chamber 3 for combustion under the pushing of the conveying auger 25, fuel gas generated in the hearth 38 is secondarily combusted through the gasification layer 36 and the gasification net 33, sufficient oxygen in the hearth 38 is supplied by the air blower 4, the fire intensity is controlled, enough heat can be supplied to the furnace fire hole 31 to meet cooking requirements, water in the water pipe 34 is heated at the same time, heating requirements in winter are met, heating is rapid, energy is saved, and environment is protected.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the utility model without departing from the spirit and scope of the utility model.

Claims (5)

1. A high-efficiency biomass combustion furnace is characterized in that: the furnace comprises a furnace body, wherein a vertical partition plate is arranged in the center of the furnace body, the furnace body is divided into a feeding chamber and a combustion chamber by the vertical partition plate, a feeding hopper, a conveying pipeline, a driving motor and a blower are arranged in the feeding chamber, a transverse partition plate, a heat insulation furnace wall and a furnace ash hopper are arranged in the combustion chamber, a feeding ramp is arranged above the transverse partition plate, a fire through hole is formed in the center of the transverse partition plate, a coaming is arranged on the fire through hole, the heat insulation furnace wall is arranged below the transverse partition plate and fixedly connected with the transverse partition plate through a plurality of connecting rods, the heat insulation furnace wall is cylindrical, a furnace hearth is formed in the center of the heat insulation furnace wall, a gasification layer is formed between the heat insulation furnace wall and the outer wall of the combustion chamber, a gasification net is arranged between the fire through hole and an opening at the top end of the furnace hearth, an ash cleaning plate is arranged at the bottom of the furnace hearth, and a plurality of leakage holes are formed in the ash cleaning plate, one end of the ash removing plate is inserted into the heat insulation furnace wall through a rotating rod, the other end of the ash removing plate is fixedly connected with an operating rod, the operating rod penetrates through the heat insulation furnace wall and the furnace body outwards, an ignition device is arranged at the bottom of the furnace, and a furnace ash hopper is arranged below the furnace.

2. A high efficiency biomass burning furnace as set forth in claim 1 wherein: the feeding chamber is internally provided with at the top end with the blanking hopper, the conveying pipeline is located in the blanking hopper and inclines upwards, the discharge end of the conveying pipeline is communicated with the blanking ramp, the conveying pipeline is internally provided with a conveying auger, the conveying auger is linked with the driving motor, the air blower is arranged below the blanking hopper, the outer wall of the feeding chamber is provided with a control panel, and the control panel is connected with the driving motor, the air blower and the ignition device electrically.

3. A high efficiency biomass burning furnace as set forth in claim 2 wherein: the bottom end of the blanking ramp penetrates through the coaming and is lapped on the edge of the fire through hole, the top end of the gasification net is in contact with the edge of the fire through hole, and the bottom end of the gasification net is in contact with the top surface of the heat insulation furnace wall.

4. A high efficiency biomass burning furnace as set forth in claim 3 wherein: the blower is communicated with the hearth through a ventilation pipe.

5. A high efficiency biomass burning furnace as set forth in claim 4 wherein: the top surface of the feeding chamber is provided with a feeding port, the top surface of the combustion chamber is provided with a furnace fire port and an air outlet, the furnace fire port is located in the center of the top surface, the air outlet is communicated with a chimney, the inner wall of the top end of the combustion chamber is provided with a surrounding water pipe, the water pipe is communicated with a heater, and the back surface of the combustion chamber is provided with a water inlet and a water outlet.

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