CN202747397U - Biomass fuel stove - Google Patents

Abstract

The utility model provides a biomass fuel stove, which is characterized in that it includes a furnace body, a table top, a seat ring, a furnace bridge, an ash chamber, a pot pile and a flue outlet; the table top is arranged at the upper end of the furnace body, and the The furnace body is fixed on the seat ring through pot piles, and the furnace cover assembly is arranged above the fire-stop ring in the furnace body; The bottom of the furnace body is equipped with a furnace bridge, the lower end of the furnace bridge corresponds to form an ash chamber, the ash head end of the ash chamber is correspondingly equipped with an air regulating plate, the upper part of the furnace body is added with an insulation layer, and the flue exit There is a flue heat insulation sleeve on the outside. Make the product more applicable and more environmentally friendly; the furnace is equipped with a furnace core, made of refractory materials and stainless steel, which greatly improves the service life of the equipment; the furnace is equipped with thermal insulation materials to prevent heat loss, so that the product is more energy-efficient.

Description

Biomass fuel stove

technical field

The utility model relates to the field of a biomass stove, in particular to a biomass fuel stove and an operating method thereof.

Background technique

As we all know, new energy includes the following aspects: 1. Solar thermal power generation heat collection system, solar photovoltaic power generation system integration technology development and application, inverter control system development and manufacturing; 2. Wind power and photovoltaic power generation complementary system technology development and application; 3. Design and manufacture of solar building-integrated components; 4. High-efficiency solar water heaters and hot water projects, development and equipment manufacturing of solar medium and high temperature utilization technologies; 5. Production technology of non-grain biomass fuels such as biomass cellulose ethanol and biodiesel -10- Development and application; 6. Biomass direct combustion, gasification power generation technology development and equipment manufacturing; 7. Agricultural and forestry biomass resource collection, transportation, storage technology development and equipment manufacturing; agricultural and forestry biomass briquette fuel processing equipment, boiler and stove manufacturing . Biomass energy includes, biomass incineration power generation boiler, biomass granulation complete set of equipment, biomass liquefaction complete set of equipment, biomass gasification complete set of equipment, straw storage and transportation complete set of equipment, garbage and hazardous waste plasma furnace and thermal power supporting Equipment, medium and low calorific value gas turbines, etc. and key components, and biomass energy utilization. High-efficiency straw gasification technology, low calorific value waste incineration technology, biomass industrialized mining and transportation technology, biodiesel industrialized manufacturing technology, biomass integrated combined cycle (BIGCC) technology, etc.

However, the energy-saving biomass steel stove is suitable for cooking and heating in the alpine mountainous areas and mid-mountainous areas of ethnic minorities who burn biomass blocks such as firewood and strip fuels. It can completely replace the firepit function of the old-fashioned "three-pot pile". All kinds of stoves appearing on the market are mainly coal-fired, the fuel is single, and it is very inconvenient to move, especially for farming and pastoral areas, so it needs to be improved.

Utility model content

The purpose of the utility model is to overcome the shortcomings of existing stoves, and to provide a biomass fuel stove, which has high burnout rate, low emission, simple operation, reliability and safety, and improves the living environment of ethnic minorities, which is very suitable for it . the

The utility model is achieved by constructing a biomass fuel stove, which is characterized in that it includes a furnace body, a table top, a seat ring, a furnace bridge, an ash chamber, a pot pile and a flue outlet;

The table top is arranged on the upper end of the furnace body, and the furnace body is fixed on the seat ring through a pot pile, the pot pile is a curved structure, and a furnace cover assembly is arranged above the fire stop ring in the furnace body; the heat insulation ring is located inside the table top,

The furnace body is equipped with a furnace door tube, and the furnace door tube is provided with a furnace door. The furnace body is provided with a flue outlet, and a furnace bridge is installed at the bottom of the furnace body in the furnace body. The lower end of the furnace bridge forms a gray chamber correspondingly. The ash head of the ash chamber is correspondingly provided with an air adjusting plate, which is used to adjust the firepower, and an insulation layer is added to the upper part of the furnace body. A chimney protective cover is provided on the outside of the corresponding chimney A, the chimney A is connected to the chimney B, and the chimney B is connected to the elbow.

A biomass fuel stove according to the utility model is characterized in that: the furnace cover assembly includes a furnace cover A, a furnace cover B, and a furnace cover C, and the three legs of the furnace cover A are placed flat on the furnace table. The furnace cover B is located in the furnace cover A, and the furnace cover C is located in the furnace cover B.

A biomass fuel stove according to the utility model is characterized in that: chimney A and chimney B are φ100mm in size, the overall vertical height of chimney A and chimney B is 2400mm, and the horizontal length of the flue outlet is 1300mm.

A biomass fuel stove according to the utility model is characterized in that: a flue exit gate is added at the exit of the flue, and the flue exit gate is composed of a circular wind blade and a rotating handle, and the wind blade and The rotating handle forms an integral fixed structure, and the rotating handle can rotate along the outlet of the flue to drive the wind blades to rotate.

A biomass fuel stove according to the utility model is characterized in that: the table top is composed of an outer cylinder, a sealing plate, and a stove top.

A biomass fuel stove according to the utility model is characterized in that it also includes a furnace cover hook.

A method for operating a biomass fuel stove, characterized in that:

(1), installation:

a. Assembling the main structure of the biomass steel furnace;

b. Connect the vertical chimney A, chimney B, elbow, flue outlet and horizontal chimney. Outside the chimney A, the elbow is placed outside the chimney B, and the chimney of the horizontal exit room is placed outside the elbow, and the joints are sealed tightly with tin foil;

c. The flue heat insulation sleeve is set on the flue outlet, and the chimney protective sleeve is set on the chimney A;

d. The chimney must be fixed in an appropriate and reliable manner and must not be moved;

e. Put the furnace bridge into the bottom of the furnace from the furnace door, and make the gap of the furnace bridge narrow at the top and wide at the bottom;

(2) Operation mode:

a. Light the flammable soft material and put it into the furnace, put all the furnace cover on, fully open the furnace door, check whether the joints of the chimney are leaking smoke, and pay attention to open the gate on the flue outlet;

b. The chimney exhausts smoke normally. It takes about 6-8 minutes after the ignition to close the upper furnace door. There should be no long-term smoke leakage from the furnace cover, and a short-term slight smoke leakage is normal.

The beneficial effects of the utility model are: the product is integrated with combustion and gasification, has high burnout rate, low emission, simple operation, reliability and safety; the variable combustion space can better meet the different requirements for cooking and heating on the firepit; It meets the fire pit document needs of ethnic minority people. In the utility model, there is also a smoke pipe elbow, which can adjust the angle, so that the product is more suitable and more environmentally friendly; the furnace is equipped with a furnace core, which is made of refractory materials and stainless steel, which greatly improves the safety of the equipment. Long service life; the furnace is equipped with thermal insulation materials to prevent heat loss, so that the product is more energy-efficient.

According to the living characteristics of ethnic minorities, this project starts with technical research on the appearance and structure design, material selection, manufacturing process, and key equipment selection of biomass steel furnaces, and forms an energy-saving biomass steel furnace production technology with core competitiveness.

Improving the living environment of ethnic minorities and improving their quality of life is the grand plan of the country's "Twelfth Five-Year Plan". Energy-saving biomass steel furnaces have become the mainstream of ethnic minorities' cooking and heating development. In order to make full use of the biomass resources or renewable resources in minority areas, and realize the development of light weight, energy saving, environmental protection, compact and beautiful shape, and applicable development, this utility model adopts the structure of biomass steel furnace according to the living characteristics and geographical environment of ethnic minorities. Design, material selection, manufacturing process, key equipment selection and other aspects of technical research, focusing on solving key technical issues that restrict the development of biomass steel furnaces.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model.

Figure 2 is a schematic diagram of the internal structure.

Fig. 3 is a sectional view of Fig. 1B-B.

Fig. 4 is a schematic diagram of the furnace lid hook.

Among the figure: 101, furnace body, 102, table top, 103, outer cylinder, 104, pot pile, 105, sealing plate, 106, furnace door, 107, furnace door tube, 108, fire stop ring, 109, seat ring, 110 , furnace bridge, 111, ash chamber, 111a, ash head end, 112, insulation layer, 113, flue outlet, 114, flue heat insulation cover, 115, chimney protective cover, 116, heat insulation ring, 117, air adjustment Disc, 118, chimney A, 119, flue outlet gate, 120, chimney B, 120a, elbow, 121, stove top, 122a, fan blade, 122b, rotating handle, 123, furnace cover hook, furnace cover armor 124a, Furnace cover B 124b, furnace cover C 124c.

Detailed ways

The utility model is described in detail below in conjunction with accompanying drawing:

The purpose of this utility model is to overcome the shortcomings of existing stoves, and to provide a biomass fuel stove with high burnout rate, low emission, simple operation, reliability and safety, and can improve the living environment of ethnic minorities. Applicable, as shown in the figure: the biomass steel furnace includes a furnace body 101 , a table top 102 , a seat ring 109 , a furnace bridge 110 , an ash chamber 111 , a pot pile 104 and a flue outlet 113 .

The table top 102 is arranged on the upper end of the furnace body 101, and the furnace body 101 is fixed on the seat ring 109 through the pot pile 104. The pot pile 104 is a curved structure, and the entire furnace body 101 is supported by the pot pile 104. The pot pile 104 of the curved structure It gives the whole biomass steel furnace an aesthetic feeling and reflects the purpose of novel design. A furnace cover assembly is arranged above the fire stop ring 108 in the furnace body 101 ; the heat insulation ring 116 is located inside the table top 102 for heat insulation. The furnace cover assembly includes furnace cover A 124a, furnace cover B 124b, and furnace cover C 124c. The three legs of furnace cover A 124a are placed flat on the furnace table. Inside cover B 124b.

The furnace body 101 has a furnace door cylinder 107, and the furnace door cylinder 107 has a furnace door 106. The furnace body 101 is provided with a flue outlet 113, and a flue outlet is additionally provided at the flue outlet 113. The gate 119 and the flue outlet gate 119 are composed of a circular wind blade 122a and a rotating handle 122b. The wind blade 122a and the rotating handle 122b form an integral fixed structure. The rotating handle 122b can rotate along the flue outlet 113 to drive the wind blade 122a to rotate. . The flue exit gate is fully opened (the gate shaft and handle 122b is downward), the chimney has a large suction force, and the flue exit gate is completely closed (the gate shaft and handle 122b is horizontal, either to the left or right), the chimney suction force is the smallest, and heating The opening of the flue outlet gate can be adjusted to adjust the firepower intensity.

A furnace bridge 110 is installed at the bottom of the furnace in the furnace body 101, and the lower end of the furnace bridge 110 corresponds to form an ash chamber 111, and the ash head end 111a of the ash chamber 111 is correspondingly provided with an air regulating plate 117, which is used to adjust the firepower . The air regulating disk 117, when the biomass steel furnace is used for heating, in order to reduce the firepower, the air regulating disk can be rotated so that the two holes on it and the holes on the ash bucket can be opened to reduce the air intake once. Reduce the gasification rate, thereby reducing the firepower.

An insulation layer 112 is added to the upper part of the body of furnace 101, and a flue heat insulation cover 114 is provided on the outside of the flue outlet 113, and a chimney protective cover 115 is provided on the outside of the chimney A118 corresponding to the flue outlet 113, and the chimney A118 and the chimney B120 For docking, the chimney B120 is docked with the elbow 120a. The size of chimney A118 and chimney B120 is φ100mm, the overall vertical height of chimney A118 and chimney B120 is 2400mm, and the horizontal length of flue outlet 113 is 1300mm.

The table top 102 is composed of an outer cylinder 103 , a sealing plate 105 , and a furnace table top 121 . Wherein the biomass steel furnace described in the utility model also includes a furnace cover hook 123 .

A method for operating a biomass fuel stove, characterized in that:

(1), installation:

a. Assembling the main structure of the biomass steel furnace;

b. Connect the vertical chimney A, chimney B, elbow, flue outlet and horizontal chimney. Put it outside the chimney A118, put the elbow 120a outside the chimney B120, put the chimney outside the horizontal exit room outside the elbow, and seal the joints tightly with tin foil;

c. The flue heat insulation sleeve 114 is set on the flue outlet 113, and the chimney protective sleeve 115 is set on the chimney A118;

d. The chimney must be fixed in an appropriate and reliable manner and must not be moved;

e. Put the furnace bridge into the bottom of the furnace from the furnace door, and make the gap of the furnace bridge narrow at the top and wide at the bottom;

(2) Operation mode:

a. Light the flammable soft material and put it into the furnace, put all the furnace cover on, fully open the furnace door, check whether the joints of the chimney are leaking smoke, and pay attention to open the gate on the flue outlet;

b. The chimney exhausts smoke normally. It takes about 6-8 minutes after the ignition to close the upper furnace door. There should be no long-term smoke leakage from the furnace cover, and a short-term slight smoke leakage is normal.

The structural design of the energy-saving biomass steel furnace described in the utility model: according to the cultural characteristics of the fire pit of the ethnic minorities, the size of the furnace is designed to be φ180mm×200mm, the overall size is 930mm×720mm×520mm, and the size of the chimney is φ100mm×(straight 2400mm+ Horizontal 1300mm), the overall design is novel and ingenious. As shown in the picture: the furnace door and ash hopper at the front of the biomass steel furnace are used to add fuel and store ash; the upper part is the stove, which is mainly used for cooking and heating; the rear is the chimney, except for the chimney A and chimney B It can also be extended indefinitely. In the utility model, a smoke pipe elbow 120a is provided, and the angle of the smoke pipe elbow can be adjusted to make the product more applicable and more environmentally friendly; the furnace is provided with a furnace core made of refractory material and stainless steel, which greatly improves the equipment The service life; the furnace is equipped with thermal insulation materials to prevent heat loss, so that the product is more energy-saving.

Straight smoke pipe welding technology: At present, the white iron sheet metal chimney pipes on the market are all welded by CO ₂ shielded welding, and the products often leak smoke and gas. In order to completely overcome this difficulty, a gapless welding smoke pipe production device is adopted.

Install:

(1) Place the main body of the biomass steel furnace in an appropriate position, and the ground should be flat and firm.

(2) Connect components such as vertical chimneys, elbows, and horizontal exit chimneys. Note that the connection mode of each pipe should be the jacket type, that is, the first section of the chimney should be placed outside the flue outlet of the biomass steel furnace, and the second section should be placed outside the flue outlet of the biomass steel furnace. Outside the first section, the elbow is placed outside the second section, the chimney of the horizontal exit room is placed outside the elbow, and the joints are sealed tightly with tin foil.

(3) The heat insulation sleeve should be set on the first vertical chimney close to the furnace body.

(4) The chimney must be fixed in an appropriate and reliable manner and must not be moved.

(5) Put the furnace bridge into the bottom of the furnace from the furnace door, and pay attention to make the gap of the furnace bridge narrow at the top and wide at the bottom.

2. Trial ignition:

(1) Light the flammable soft material and put it into the furnace, put all the furnace cover on, fully open the furnace door, check whether there is smoke leakage at each joint of the chimney, and pay attention to open the gate on the flue outlet.

(2) After the chimney exhausts smoke normally (it takes about 6-8 minutes from the time of ignition), close the upper furnace door. There should be no long-term smoke leakage from the furnace cover, and a short-term slight smoke leakage is normal.

Operation use:

1. The use of the furnace cover: The biomass steel furnace is equipped with three furnace covers A (large), B (medium) and C (small). ) selection, the selection method is as follows:

(1) Cooking: Put the three legs of the furnace cover A down on the stove top, and put or not put the furnace cover B (middle) according to the size of the pot, and cover the furnace cover C (small) when lighting the fire;

(2) Heating: Furnace cover A with three legs down and flat on the furnace table, and cover with furnace cover B and furnace cover C.

2. The use of ash hopper and air regulating disc:

(1) The ash hopper can hold the ashes produced by combustion, and it can also adjust the cooking firepower. Pull out a small part of the ash hopper from the ash chamber to increase the firepower. Generally, the ash hopper should be completely inserted into the ash chamber.

(2) The air regulating disk is located on the ash hopper. When the biomass steel furnace is used for heating, in order to reduce the firepower, the air regulating disk can be rotated so that the two holes on it and the holes on the ash hopper can be opened for convenience. It can reduce the primary air intake, reduce the gasification speed, and thus reduce the firepower.

3. The use of the flue exit gate: the flue exit gate is fully opened (the gate shaft and handle are downward), the chimney has a large suction force, and the flue exit gate is completely closed (the gate shaft and handle are horizontal, left or right). , the chimney has the smallest draft, and the opening of the flue outlet gate can be adjusted to adjust the firepower intensity when heating.

4. Light a fire:

(1) Preparation: Clear the ashes in the furnace and ash hopper, and prepare flammable kindling and firewood or biomass briquettes (bars, blocks, sticks). The rate is less than 25%. The chimney gate and furnace door are fully open.

(2) Ignition: put an appropriate amount of firewood in the furnace and ignite it, add a small amount of firewood after the firewood is on fire, cover all the furnace cover after the firewood is on fire, and make the firewood burn further, and add an appropriate amount of firewood, at the same time Close the furnace door to let the hot flue gas out of the chimney and the cold air to pass through the chimney, and the biomass furnace will enter the normal combustion state.

(3) Adding firewood: Firewood is added from the furnace door barrel when cooking, and the furnace cover C (small furnace cover) can be uncovered when heating is not added from the furnace table. The amount of firewood added should not exceed the burner on the top of the furnace. The secondary ring is equipped with air inlet.

Claims (6)

1. A biomass fuel stove, characterized in that it includes a furnace body (101), a countertop (102), a seat ring (109), a furnace bridge (110), ash chamber (111), and a pot pile (104) and the flue outlet (113); The table (102) is set on the upper end of the furnace body (101), and the furnace body (101) is fixed on the seat ring (109) through the pot pile (104), the pot pile (104) is a curved structure, and the furnace body (101) A furnace cover assembly is arranged above the inner fire arresting ring (108); the heat insulating ring (116) is located inside the table top (102), The furnace body (101) has a furnace door cylinder (107), the furnace door cylinder (107) has a furnace door (106), the furnace body (101) is provided with a flue outlet (113), and the furnace A furnace bridge (110) is installed at the bottom of the furnace in the body (101), the lower end of the furnace bridge (110) corresponds to form an ash chamber (111), and the ash head end (111a) of the ash chamber (111) is correspondingly equipped with an air conditioning Plate (117), the air regulating plate (117) is used to adjust the firepower, the upper part of the furnace body (101) is provided with an insulation layer (112), and the outer side of the flue outlet (113) is provided with a flue heat insulation sleeve (114) , the chimney A (118) corresponding to the flue outlet (113) is provided with a chimney protective cover (115), the chimney A (118) is connected to the chimney B (120), and the chimney B (120) is connected to the elbow (120a) butt. 2. A biomass fuel stove according to claim 1, characterized in that: said furnace cover assembly includes furnace cover A (124a), furnace cover B (124b), furnace cover C (124c), furnace cover The first (124a) three legs are placed flatly on the furnace table, the furnace cover second (124b) is located in the furnace cover A (124a), and the furnace cover C (124c) is located in the furnace cover second (124b). 3. A biomass fuel stove according to claim 1, characterized in that: chimney A (118) and chimney B (120) are φ100mm in size, chimney A (118) and chimney B (120) are vertical as a whole The height is 2400mm, and the horizontal length of the flue outlet (113) is 1300mm. 4. A biomass fuel stove according to claim 1, characterized in that: a flue exit gate (119) is added at the flue exit (113), and the flue exit gate (119) is formed by a circle The wind blade (122a) and the rotating handle (122b) form an integral fixed structure, and the rotating handle (122b) can rotate along the flue outlet (113) to drive the wind blade (122a) turn. 5 . The biomass fuel stove according to claim 1 , characterized in that: the table top ( 102 ) is composed of an outer cylinder ( 103 ), a sealing plate ( 105 ), and a stove top ( 121 ). 6. The biomass fuel stove according to claim 1, characterized in that: it also includes a furnace cover hook (123).

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