CN114777163A - Positive and negative combustion high-temperature biomass heating stove capable of preheating air distribution of post-combustion chamber - Google Patents

Positive and negative combustion high-temperature biomass heating stove capable of preheating air distribution of post-combustion chamber Download PDF

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Publication number
CN114777163A
CN114777163A CN202210433388.9A CN202210433388A CN114777163A CN 114777163 A CN114777163 A CN 114777163A CN 202210433388 A CN202210433388 A CN 202210433388A CN 114777163 A CN114777163 A CN 114777163A
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CN
China
Prior art keywords
combustion chamber
air distribution
furnace body
preheating
stove
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Pending
Application number
CN202210433388.9A
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Chinese (zh)
Inventor
孙志强
李佃梅
毕既坤
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Muling Fushan Heating Equipment Manufacturing Co ltd
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Muling Fushan Heating Equipment Manufacturing Co ltd
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Publication date
Application filed by Muling Fushan Heating Equipment Manufacturing Co ltd filed Critical Muling Fushan Heating Equipment Manufacturing Co ltd
Priority to CN202210433388.9A priority Critical patent/CN114777163A/en
Publication of CN114777163A publication Critical patent/CN114777163A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B9/00—Stoves, ranges or flue-gas ducts, with additional provisions for heating water 
    • F24B9/04—Stoves, ranges or flue-gas ducts, with additional provisions for heating water  in closed containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L15/00—Heating of air supplied for combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B13/00—Details solely applicable to stoves or ranges burning solid fuels 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B13/00—Details solely applicable to stoves or ranges burning solid fuels 
    • F24B13/02—Arrangement or mountings of fire-grate assemblies; Arrangement or mountings of linings for fire-boxes, e.g. fire-backs 

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Solid-Fuel Combustion (AREA)

Abstract

The invention relates to a positive and negative combustion high-temperature biomass heating stove capable of preheating air distribution of a post-combustion chamber, which comprises a stove body (1) with an upper wall and peripheral walls respectively provided with a water jacket (11), wherein a vertical water jacket partition plate (14) for dividing the interior of the stove body (1) into a front combustion chamber (12) and a post-combustion chamber (13) is arranged in the stove body (1), a transverse preheating air pipe (5) is transversely arranged at the upper position in the post-combustion chamber (13) along the left-right direction, one end of the transverse preheating air pipe (5) is communicated with the exterior of the stove body (1), a vertical preheating air pipe (6) is arranged on the side wall of the stove body (1) at the other end of the transverse preheating air pipe (5) along the up-down direction, the upper end of the vertical preheating air pipe (6) is communicated with the transverse preheating air pipe (5), and the lower end of the vertical preheating air pipe is communicated with the interior of the stove body (1) below an air distribution plate (24). The air distribution temperature of the rear combustion chamber is improved by preheating the air distribution of the rear combustion chamber, so that the continuous high-temperature combustion of smoke dust in the rear combustion chamber is facilitated, the purposes of energy conservation and emission reduction are achieved, and the heat efficiency of the boiler can be improved.

Description

Positive and negative combustion high-temperature biomass heating stove capable of preheating air distribution of after-combustion chamber
Technical Field
The invention relates to a heating device, in particular to a positive and negative combustion high-temperature biomass heating furnace with a preheating post-combustion chamber for air distribution.
Background
The positive and negative burning high-temperature biomass coal heating stove can enable the air distribution position of the existing reverse burning boiler to be more dispersed, is favorable for large-range combustion supporting, has high primary air distribution temperature of the front combustion chamber, does not influence the combustion supporting effect, is used for cooking and cooking with concentrated firepower, is also favorable for rapidly heating cookware, has long retention time of smoke and fire in the boiler, and is favorable for heat exchange and dust settlement. However, the secondary air distribution of the rear combustion chamber is normal temperature air outside the boiler, and the air distribution temperature is low, so that the temperature of the rear combustion chamber is reduced, the effect of high-temperature combustion cannot be achieved, the phenomenon of insufficient combustion and black smoke generation in the boiler cannot be caused, the heat efficiency of the boiler is not improved, and the aims of reducing pollutant emission, saving energy and reducing emission efficiently cannot be achieved.
Disclosure of Invention
The invention aims to provide a positive and negative combustion high-temperature biomass heating furnace which can enable fuel to be combusted more fully, does not generate black smoke phenomenon, is beneficial to improving the heat efficiency of a boiler, and can achieve the aims of reducing pollutant emission, efficiently saving energy and reducing emission and can preheat a combustion chamber to distribute air.
The technical solution of the invention is as follows: it comprises a furnace body with water jackets on the upper wall and the peripheral walls, a vertical water jacket clapboard which divides the furnace body into a front combustion chamber and a rear combustion chamber is arranged in the furnace body, a fire grate is arranged below the front combustion chamber, an ash receiving drawer which is arranged on the furnace body in a sliding way is arranged below the fire grate, a stove opening is arranged on the top wall of the furnace body above the front combustion chamber, a wind supply opening and a furnace opening are arranged above and below the front wall of the furnace body above the fire grate, a smoke outlet is arranged on the upper part of the rear wall of the furnace body above the rear combustion chamber, a front combustion smoke outlet is formed by spacing the upper edge of the vertical water jacket clapboard from the top of the front combustion chamber, a back combustion smoke outlet is formed by spacing the lower edge from the rear edge of the fire grate, a front and back combustion switching plate which is matched with the front combustion smoke outlet is arranged in the rear combustion chamber, a plurality of water pipes with the left end and the right end respectively communicated with the left and right side walls of the furnace body are arranged in the rear combustion chamber, a horizontal air distribution box is arranged in the front combustion chamber, the horizontal air distribution box is connected with an air supply port on the front wall of the furnace body, a horizontal air distribution plate positioned behind the grate is arranged below the rear combustion chamber, a plurality of lower air distribution holes are formed in the air distribution plate in the up-and-down direction, a transverse preheating air pipe is transversely arranged in the left-and-right direction at the upper position in the rear combustion chamber, one end of the transverse preheating air pipe is communicated with the outside of the furnace body, a vertical preheating air pipe is arranged on the side wall of the furnace body at the other end of the transverse preheating air pipe in the up-and-down direction, the upper end of the vertical preheating air pipe is communicated with the transverse preheating air pipe, and the lower end of the vertical preheating air pipe is communicated with the inside of the furnace body below the air distribution plate.
The invention has the technical effects that: the air distribution temperature of the rear combustion chamber is improved by preheating the air distribution of the rear combustion chamber, so that continuous high-temperature combustion of smoke dust in the rear combustion chamber is facilitated, combustible components in the smoke dust can be combusted more fully, black smoke is not generated, fuel can be saved, emission of the smoke dust is reduced, the purposes of energy conservation and emission reduction are achieved, and the thermal efficiency of the boiler can be greatly improved. The novel cooker has the advantages of lower use cost, more energy conservation and environmental protection, and simultaneously remains the advantages of more concentrated firepower, stronger firepower and better heating effect of the cooker during cooking. The advantages of longer stay time of the smoke dust in the boiler, better dust settling effect and cleaner discharged smoke dust are also kept. The use is more energy-saving and environment-friendly, and the use effect is more ideal.
The air distribution of the after-combustion chamber is preheated through the transverse preheating air pipe and the vertical preheating air pipe, the temperature rises to become hot air when entering the after-combustion chamber, the temperature of the after-combustion chamber cannot be reduced, continuous high-temperature combustion of smoke dust in the after-combustion chamber is facilitated, the purpose of improving the burning-out rate of the smoke dust is further achieved, the temperature of a smoke outlet can be reduced, and the energy can be saved while the thermal efficiency of the boiler is improved.
Drawings
FIG. 1 is a side perspective view of an embodiment of the present invention.
Detailed Description
As shown in figure 1, the furnace comprises a furnace body 1 with water jackets 11 on the upper wall and the peripheral wall, a vertical water jacket clapboard 14 which divides the interior of the furnace body 1 into a front combustion chamber 12 and a rear combustion chamber 13 is arranged in the furnace body 1, a fire grate 15 is arranged below the front combustion chamber 12, an ash receiving drawer 16 which is slidably arranged on the furnace body 1 is arranged below the fire grate 15, a pot opening 17 is arranged on the top wall of the furnace body 1 above the front combustion chamber 12, an air supply opening 18 and a furnace opening 19 are arranged above and below the front wall of the furnace body 1 above the fire grate 15, a smoke outlet 20 is arranged on the upper part of the rear wall of the furnace body 1 above the rear combustion chamber 13, a front combustion smoke outlet 21 is formed by spacing the upper edge of the vertical water jacket clapboard 14 from the top of the front combustion chamber 12, a back combustion smoke outlet 22 is formed by spacing the lower edge from the back of the fire grate 15, a front and back combustion switching turnover plate 3 which is matched with the front combustion smoke outlet 21 is arranged in the rear combustion chamber 13, a plurality of water pipes 23 are respectively communicated with the water jackets 11 on the left side and the right side wall of the furnace body 1, the horizontal air distribution box 4 is arranged in the front combustion chamber 12, the front, the rear, the left and the right of the horizontal air distribution box 4 are respectively connected with the inner wall of the front side of the furnace body 1, the vertical water jacket partition plate 14, the left wall of the furnace body 1 and the right wall of the furnace body 1, the horizontal air distribution box 4 is communicated with an air supply port 18 on the front wall of the furnace body 1, a horizontal air distribution plate 24 positioned behind the fire grate 15 is arranged below the rear combustion chamber 13, a plurality of lower air distribution holes 25 are formed in the upper direction and the lower direction of the air distribution plate 24, a transverse preheating air pipe 5 is transversely arranged in the left and right direction at the upper position in the rear combustion chamber 13, one end of the transverse preheating air pipe 5 is communicated with the outside of the furnace body 1, a vertical preheating air pipe 6 is arranged in the upper and lower direction on the side wall of the furnace body 1 at the other end of the transverse preheating air pipe 5, the upper end of the vertical preheating air pipe 6 is communicated with the transverse preheating air pipe 5, and the lower end is communicated with the inside of the furnace body 1 below the air distribution plate 24.
One end of the transverse preheating air pipe 5 communicated with the outside of the furnace body 1 is provided with an air distribution door.
The vertical preheating air pipe 6 is arranged in the rear combustion chamber 13 of the furnace body 1 or outside the furnace body 1, the vertical preheating air pipe 6 is a trough-shaped body buckled on the side wall of the furnace body 1, and the lower end of the vertical preheating air pipe 6 arranged outside the furnace body 1 is communicated with the inside of the furnace body 1 through a lower air distribution port 26 arranged on the side wall of the furnace body 1 below the air distribution plate 24.
The upper side of the horizontal air distribution box 4 is positioned at the same height as the upper side of the vertical water jacket clapboard 6.
A stove fire hole 41 is arranged on the horizontal air distribution box 4 corresponding to the stove mouth 17, and a plurality of vent holes 42 are arranged on the side wall of the horizontal air distribution box 4 at the position of the stove fire hole 41.
The rear combustion chamber 13 is internally provided with a high temperature resistant smoke baffle 27 along the horizontal direction, the front edge of the high temperature resistant smoke baffle 27 is connected with the rear plate surface of the vertical water jacket clapboard 14, the left and right edges are respectively connected with the left and right inner walls of the furnace body 1, and the rear edge is separated from the rear inner wall of the furnace body 1 to form a rear smoke and fire channel 28.
The smoke outlet 20 is connected with a kang through joint 29 positioned outside the furnace body 1.
The positive and negative burning switching turnover plate 3 is hinged with the furnace body 1, one end of a hinge shaft 31 extends out of the furnace body 1, and the end part is transversely provided with a pull handle 32.
The fire grate 15 is a reciprocating fire grate composed of a fixed fire grate, a movable fire grate and a pull rod 33, the fixed fire grate is fixedly arranged in the furnace body 1, the movable fire grate is movably arranged in the furnace body 1 in a matching way with the fixed fire grate, and one end of the pull rod 33 is hinged on the furnace body 1 and matched with the movable fire grate.
The ash receiving drawer 16 is slidably arranged in the lower ash removing opening below the front wall of the furnace body 1, and a handle 30 is arranged on the front wall of the ash receiving drawer 16 outside the furnace body 1.
The air supply opening 18 is provided with an air adjusting door.
The furnace mouth 19 is provided with a furnace door 34 hinged on the furnace body 1.
An upper ash removing port 35 is arranged on the top wall of the furnace body 1 above the rear combustion chamber 13, and an upper ash removing door 36 which is hinged on the top wall of the furnace body 1 is arranged on the upper ash removing port 35.
The water outlet pipe 37 of the furnace body 1 water jacket is arranged at the rear upper position of the furnace body 1, and the water return pipe 38 is arranged at the rear lower position of the furnace body 1.
The top of the rear combustion chamber 13 of the furnace body 1 is higher than the top of the front combustion chamber 12, and the top of the furnace body 1 is in a ladder shape with a low front part and a high rear part.

Claims (10)

1. The positive and negative combustion high-temperature biomass heating furnace capable of preheating air distribution of a rear combustion chamber comprises a furnace body (1) with an upper wall and peripheral walls respectively provided with a water jacket (11), a vertical water jacket partition plate (14) for separating the interior of the furnace body (1) into the front combustion chamber (12) and the rear combustion chamber (13) is arranged in the furnace body (1), a grate (15) is arranged below the front combustion chamber (12), an ash receiving drawer (16) slidably mounted on the furnace body (1) is arranged below the grate (15), a pot and stove opening (17) is arranged on the top wall of the furnace body (1) above the front combustion chamber (12), an air supply opening (18) and a stove opening (19) are arranged on the front wall of the furnace body (1) above the grate (15), a smoke outlet (20) is arranged on the upper part of the rear wall of the furnace body (1) above the rear combustion chamber (13), and the top of the front combustion chamber (12) are arranged at intervals to form a positive combustion smoke outlet (21), The lower side of the furnace body is separated from the rear side of the fire grate (15) to form a back-burning smoke outlet (22), a back-burning switching turnover plate (3) matched with the back-burning smoke outlet (21) is arranged in the back-burning chamber (13), a plurality of water pipes (23) with the left end and the right end respectively communicated with water jackets (11) on the left side wall and the right side wall of the furnace body (1) are arranged in the back-burning chamber (13), a horizontal air distribution box (4) is arranged in the front-burning chamber (12), the front side, the back side, the left side and the right side of the horizontal air distribution box (4) are respectively connected with the inner wall on the front side of the furnace body (1), a vertical water jacket clapboard (14), the left wall of the furnace body (1) and the right wall of the furnace body (1), the horizontal air distribution box (4) is communicated with an air supply port (18) on the front wall of the furnace body (1), a horizontal air distribution plate (24) positioned behind the fire grate (15) is arranged below the back-burning chamber (13), a plurality of lower air distribution holes (25) are arranged on the air distribution plate (24) along the up-down direction, the method is characterized in that: the upper position in the after-combustion chamber (13) is transversely provided with a transverse preheating air pipe (5) along the left-right direction, one end of the transverse preheating air pipe (5) is communicated with the outside of the furnace body (1), the side wall of the furnace body (1) at the other end of the transverse preheating air pipe (5) is provided with a vertical preheating air pipe (6) along the up-down direction, the upper end of the vertical preheating air pipe (6) is communicated with the transverse preheating air pipe (5), and the lower end of the vertical preheating air pipe is communicated with the inside of the furnace body (1) below the air distribution plate (24).
2. The positive and negative combustion high-temperature biomass heating stove capable of preheating the air distribution of the post-combustion chamber according to claim 1, characterized in that one end of the transverse preheating air pipe (5) communicated with the outside of the stove body (1) is provided with an air distribution door.
3. The positive and negative combustion high-temperature biomass heating stove capable of preheating the air distribution of the post-combustion chamber according to claim 1, characterized in that the vertical preheating air pipe (6) is arranged in the post-combustion chamber (13) of the stove body (1) or outside the stove body (1), the vertical preheating air pipe (6) is a trough-shaped body buckled on the side wall of the stove body (1), and the lower end of the vertical preheating air pipe (6) arranged outside the stove body (1) is communicated with the inside of the stove body (1) through a lower air distribution opening (26) arranged on the side wall of the stove body (1) below the air distribution plate (24).
4. A positive and negative combustion high temperature biomass heating stove capable of preheating post-combustion chamber air distribution according to claim 1, characterized in that the upper side of the horizontal air distribution box (4) and the upper side of the vertical water jacket partition plate (6) are located at the same height.
5. The positive and negative combustion high-temperature biomass heating stove capable of preheating the air distribution of the post-combustion chamber according to claim 1, characterized in that a stove fire hole (41) is arranged on the horizontal air distribution box (4) at a position corresponding to the stove fire hole (17), and a plurality of ventilation holes (42) are arranged on the side wall of the horizontal air distribution box (4) at the position of the stove fire hole (41).
6. The positive-counter-combustion high-temperature biomass heating stove capable of preheating air distribution of the post-combustion chamber according to claim 1, characterized in that a high-temperature resistant smoke barrier (27) is arranged in the post-combustion chamber (13) along the horizontal direction, the front edge of the high-temperature resistant smoke barrier (27) is connected with the rear plate surface of the vertical water jacket partition (14), the left side and the right side are respectively connected with the left inner wall and the right inner wall of the stove body (1), and the rear edge is separated from the inner wall at the rear part of the stove body (1) to form a rear smoke and fire channel (28).
7. The positive-counter-combustion high-temperature biomass heating stove capable of preheating air distribution of the post-combustion chamber as claimed in claim 1, characterized in that the smoke outlet (20) is connected with a kang through joint (29) positioned outside the stove body (1).
8. The positive and negative combustion high-temperature biomass heating stove capable of preheating the air distribution of the post-combustion chamber according to claim 1, characterized in that one end of a hinge shaft (31) hinged with the furnace body (1) of the positive and negative combustion switching turnover plate (3) extends out of the furnace body (1) and a spanner (32) is transversely arranged at the end part.
9. The positive and negative combustion high-temperature biomass heating stove capable of preheating the air distribution of the post-combustion chamber according to claim 1, characterized in that the fire grate (15) is a reciprocating fire grate composed of a fixed fire grate, a movable fire grate and a pull rod (33), the fixed fire grate is fixedly installed in the stove body (1), the movable fire grate is movably installed in the stove body (1) in cooperation with the fixed fire grate, and one end of the pull rod (33) is hinged on the stove body (1) and is matched with the movable fire grate.
10. The positive-combustion and negative-combustion high-temperature biomass heating stove capable of preheating air distribution of the post-combustion chamber as claimed in claim 1, characterized in that the height of the top of the post-combustion chamber (13) of the stove body (1) is higher than that of the top of the front-combustion chamber (12), and the top of the stove body (1) is in a step shape with a low front part and a high back part.
CN202210433388.9A 2022-04-24 2022-04-24 Positive and negative combustion high-temperature biomass heating stove capable of preheating air distribution of post-combustion chamber Pending CN114777163A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210433388.9A CN114777163A (en) 2022-04-24 2022-04-24 Positive and negative combustion high-temperature biomass heating stove capable of preheating air distribution of post-combustion chamber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210433388.9A CN114777163A (en) 2022-04-24 2022-04-24 Positive and negative combustion high-temperature biomass heating stove capable of preheating air distribution of post-combustion chamber

Publications (1)

Publication Number Publication Date
CN114777163A true CN114777163A (en) 2022-07-22

Family

ID=82434058

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210433388.9A Pending CN114777163A (en) 2022-04-24 2022-04-24 Positive and negative combustion high-temperature biomass heating stove capable of preheating air distribution of post-combustion chamber

Country Status (1)

Country Link
CN (1) CN114777163A (en)

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