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CN-224230062-U - Solid granular fuel stove

CN224230062UCN 224230062 UCN224230062 UCN 224230062UCN-224230062-U

Abstract

The utility model provides a solid granular fuel stove which comprises a first stove cylinder, a second stove cylinder, a stove box and a combustion-supporting air pipe, wherein a pair of partition plates are arranged in the stove box, a primary combustion chamber is formed by surrounding the partition plates, the upper end of the primary combustion chamber is also communicated with the lower end of the first stove cylinder, a stove ring is arranged at the upper end of the first stove cylinder, the inner space of the stove ring is used as a secondary combustion chamber, a secondary air distribution chamber is formed by surrounding the periphery of the stove ring and the inner wall of the first stove cylinder, a secondary air distribution hole is formed in the surface of the stove ring, the secondary air distribution chamber is also communicated with the combustion-supporting air pipe, the first stove cylinder is accommodated in the second stove cylinder, and the combustion-supporting air pipe is arranged between the first stove cylinder and the second stove cylinder. By adopting the technical scheme of the utility model, the air flow sent into the secondary combustion chamber through the combustion-supporting air pipe is heated to form high-temperature combustion-supporting air through the heat energy generated by the fuel in the first furnace barrel, so that the smoke in the secondary combustion chamber can reach the ignition temperature quickly, the combustion-supporting efficiency is improved, and the fuel can be combusted fully as much as possible.

Inventors

  • YU DEGAO

Assignees

  • 贵州兴科焱环保科技有限公司

Dates

Publication Date
20260512
Application Date
20250212

Claims (10)

  1. 1. The utility model provides a solid granular fuel stove, its characterized in that includes first stove (1), second stove (12), stove box (2) and combustion-supporting tuber pipe (3), be equipped with a pair of baffle (4) in stove box (2), around forming primary combustion chamber (5) between this pair of baffle (4), around forming primary air distribution chamber (6) between baffle (4) and the inner wall of stove box (2), the surface of baffle (4) is equipped with a plurality of primary air distribution hole (7), the upper end of primary combustion chamber (5) still with the lower extreme intercommunication of first stove (1), the upper end of first stove (1) is equipped with stove ring (8), the inner space of stove ring (8) is as secondary combustion chamber (9), around forming secondary air distribution chamber (10) between the inner wall of stove ring (8), the surface of stove ring (8) is equipped with secondary air distribution hole (11), secondary air distribution chamber (10) still with combustion-supporting tuber pipe (3) are in first stove (1) the lower extreme intercommunication, stove ring (1) is held in first stove (12).
  2. 2. A solid particulate fuel stove as claimed in claim 1, characterised in that one end of the combustion-supporting air duct (3) is fixedly connected to the outer surface of the first stove (1), and the other end of the combustion-supporting air duct (3) is close to the lower end surface of the second stove (12).
  3. 3. A solid particulate fuel stove according to claim 1 or 2, characterized in that the length direction of the combustion air duct (3) and the axial direction of the first barrel (1) are parallel to each other and the distance between the combustion air duct (3) and the first barrel (1) is smaller than one quarter of the inner diameter of the first barrel (1).
  4. 4. A solid particulate fuel stove as claimed in claim 3, characterised in that the number of said combustion-supporting air ducts (3) is 2, and that the 2 combustion-supporting air ducts (3) are arranged separately on the left and right sides of said first barrel (1).
  5. 5. A solid granular fuel stove as set forth in claim 1, characterized in that the stove box (2) is fixedly connected with one side of a wind box (13), a draught fan (14) is installed on the other side of the wind box (13), the primary air distribution chamber (6) is further communicated with the wind box (13), one end of the combustion-supporting air pipe (3) is fixedly connected with the outer surface of the first stove barrel (1), and the other end of the combustion-supporting air pipe (3) is further communicated with the wind box (13).
  6. 6. A solid particulate fuel stove as claimed in claim 5, characterised in that the solid particulate fuel stove further comprises a feeding device (15), the feeding device (15) comprises a first feeding pipe (16) and a second feeding pipe (17), a first motor (18) is mounted at one end of the first feeding pipe (16), the other end of the first feeding pipe (16) is fixedly connected with the stove box (2), a second motor (19) is mounted at one end of the second feeding pipe (17) and provided with a feeding port (20), the other end of the second feeding pipe (17) is communicated with the first feeding pipe (16), the output shaft of the first motor (18) is fixedly connected with the first packing auger (21), the output shaft of the second motor (19) is fixedly connected with the second packing auger (22), a vent hole (23) is further formed in the surface of the first feeding pipe (16), the first feeding pipe (16) penetrates the bellows (13), and the vent hole (23) is accommodated in the bellows (13).
  7. 7. A solid particulate fuel stove according to claim 1, characterized in that the number of primary air distribution holes (7) is plural, and the plural primary air distribution holes (7) are uniformly arrayed along the length direction and the height direction of the partition plate (4).
  8. 8. A solid particulate fuel stove as claimed in claim 1, characterized in that the number of secondary air distribution holes (11) is plural, and the plural secondary air distribution holes (11) are uniformly distributed in an array along the outer circumference and the height direction of the stove ring (8).
  9. 9. A solid particulate fuel stove as claimed in claim 1 further comprising an ash discharge means comprising a foothold (26), the foothold (26) being secured to the stove box (2), the lower end of the second stove (12) being further flush with the surface of the foothold (26), the upper end of the second stove (12) being further secured to a stove plate (27), and the relative height difference between the stove plate (27) and the upper end face of the first stove (1) being greater than zero.
  10. 10. The solid granular fuel stove of claim 9 wherein the ash discharging device further comprises a barrel seat (28), a guide rail box (29), an ash box (30) and a supporting rod (31), wherein the pedal plate (26) is fixedly connected with the barrel seat (28), the barrel seat (28) is fixedly connected with the guide rail box (29), the ash box (30) is sleeved in the guide rail box (29), the ash box (30) is fixedly connected with the box cover (32), a limiting pin (33) is further arranged on the surface of the guide rail box (29), the supporting rod (31) is hinged with the box cover (32), one end of the supporting rod (31) is fixedly connected with the pull rod (34), a lock hook (35) is arranged on the other end of the supporting rod (31), and when the supporting rod (31) is rotated and the limiting pin (33) is sleeved in the lock hook (35), the surface of the pull rod (34) is abutted against the surface of the box cover (32).

Description

Solid granular fuel stove Technical Field The utility model relates to the technical field of stoves, in particular to a solid granular fuel stove. Background The stove is a device for generating heat energy by burning fuel, and can be divided into a plurality of kerosene stoves, gas stoves, firewood stoves and the like according to different fuel substance types, and in recent years, along with the requirements of new rural construction and energy conservation and environmental protection, the development and the utilization of biomass fuel stoves are increasingly paid attention to, and are gradually popularized and applied. The existing biomass fuel stove generally comprises a stove body, a combustion chamber is arranged in the stove body, fuel is combusted in the combustion chamber to generate heat energy, a fuel supply device is not arranged in the conventional stove, the fuel needs to be manually added at intervals for a certain time, along with the development of an automation technology, the automatic supply device is gradually developed and is additionally arranged on the stove, and the use convenience of the stove is improved. In the prior art, the publication number is CN112833426A, a civil biomass vertical type kang water heating baking furnace is disclosed, the furnace comprises a furnace base and a furnace shell, one end of the furnace base is provided with a flue header, the other end of the furnace base is provided with a smoke tube, an access panel is arranged on the furnace shell, a gasification partition combustion system, a heat exchange purification system, a feeding and anti-backfire system, a combustion-supporting air distribution ignition system and a cooking system are arranged in the furnace shell, the gasification partition combustion system comprises a volatile combustion chamber, the feeding and anti-backfire system comprises a blanking fireproof cavity, the bottom end of the blanking fireproof cavity is communicated with the volatile combustion chamber through a downward inclined guide tube, and a controller system is arranged on the furnace shell. The technology combines the non-contact feeding of feeding and combustion with the design of induced draft cooling, thereby effectively avoiding the phenomena of backfire, tempering and smoke reflection caused by normal operation and furnace shutdown. In the prior art, in order to facilitate adding fuel, the furnace is provided with a feeding device (15), and in order to promote the fuel to burn fully, a corresponding ventilation structure is arranged, for example, patent literature with the application number of 2024210585294 discloses a combustion device of an open fire furnace, which comprises a furnace barrel, a furnace ring and a furnace box, a pair of partition plates are arranged in the furnace box, primary air distribution holes are formed in the surfaces of the partition plates, the inner space of the furnace box is divided into a primary air distribution chamber and a combustion chamber by the partition plates, the surface of the furnace box is provided with a primary air inlet hole and a feeding hole, the primary air distribution chamber is communicated with the primary air inlet hole, the combustion chamber is communicated with the feeding hole, the furnace barrel is arranged above the combustion chamber, a secondary air distribution hole is formed in the surface of the furnace barrel, the furnace ring is sleeved at the upper end of the furnace barrel, secondary air distribution chambers are formed around the periphery of the furnace ring and the inner wall of the furnace barrel, and the secondary air distribution holes and the secondary air distribution chambers are all communicated with the secondary air distribution chamber. According to the technical scheme, the solid fuel is combusted for the first time and combusted for the second time under the condition of oxygen combustion supporting, so that the solid fuel is combusted fully, and heat energy of the solid fuel is released thoroughly, however, because the temperature of air flow sucked by the air supplementing pipe from the external environment is low, after low-temperature air flow enters the secondary combustion chamber, flue gas in the secondary combustion chamber is difficult to reach the ignition temperature rapidly, and the combustion supporting efficiency of the air flow in the air supplementing pipe on the flue gas secondary combustion is not ideal. Disclosure of utility model In order to solve the technical problems, the utility model provides a solid granular fuel stove. The utility model is realized by the following technical scheme. The utility model provides a solid granular fuel stove which comprises a first stove cylinder, a second stove cylinder, a stove box and a combustion-supporting air pipe, wherein a pair of partition plates are arranged in the stove box, a primary combustion chamber is formed between the partition plates in a surrounding mode,