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CN-121991707-A - Internal structure of straw shallow carbonization furnace

CN121991707ACN 121991707 ACN121991707 ACN 121991707ACN-121991707-A

Abstract

The invention discloses an internal structure of a straw shallow carbonization furnace, which relates to the field of carbonization furnaces and comprises a carbonization component, wherein one side of the carbonization component is provided with a transportation component, the upper end of the transportation component is provided with a pretreatment component, the transportation component and the carbonization component are mutually communicated, the pretreatment component is fixedly connected above the transportation component, the top of the pretreatment component is provided with a through hole, the bottom of the pretreatment component is provided with a discharge hopper, the top of the transportation component is provided with a feed hopper, the feed hopper is mutually matched with the discharge hopper, the outer side of the pretreatment component is provided with a heat dissipation chamber, the inner part of the heat dissipation chamber is fixedly connected with a third motor, the output end of the third motor is fixedly connected with a first gear, and the first gear is provided with two groups, so that the follow-up carbonization reaction of straw is more uniform, the volume of straw is reduced, the space utilization rate of transportation and storage is improved, and a pair of roller type crushing rollers are extruded and sheared in a double-roller type manner to meet the pretreatment granularity requirement before the shallow carbonization of straw.

Inventors

  • YANG FEI
  • Qiao fuxing
  • PU JIAXING
  • PU JIAJUN
  • Pu Jiasheng

Assignees

  • 时科环境技术(上海)有限公司

Dates

Publication Date
20260508
Application Date
20260201

Claims (10)

  1. 1. The internal structure of the straw shallow carbonization furnace comprises a carbonization component (3), and is characterized in that a conveying component (2) is arranged on one side of the carbonization component (3), a pretreatment component (1) is arranged at the upper end of the conveying component (2), the pretreatment component (1), the conveying component (2) and the carbonization component (3) are mutually communicated, the pretreatment component (1) is fixedly connected above the conveying component (2), a through hole (11) is formed in the top of the pretreatment component (1), a discharge hopper (12) is arranged at the bottom of the pretreatment component (1), a feed hopper (21) is arranged at the top of the conveying component (2), the feed hopper (21) and the discharge hopper (12) are mutually matched, a heat dissipation chamber (13) is arranged at the outer side of the pretreatment component (1), a third motor (131) is fixedly connected inside the heat dissipation chamber (13), a first gear (132) is fixedly connected with the output end of the third motor (131), two groups of first gears (132) are mutually meshed, and the two groups of first gears (132) are respectively connected to the inside of the pretreatment assembly (1) in a rotating way, and the carbonization assembly (3) comprises an outer cylinder (31) arranged at one side of the transportation assembly (2).
  2. 2. The internal structure of the straw shallow carbonization furnace according to claim 1, wherein an inner cylinder (33) is arranged in the outer cylinder (31), the inner cylinder (33) is rotatably connected in the carbonization assembly (3), heating pipes (34) are uniformly distributed between the inner cylinder (33) and the outer cylinder (31), eighteen groups of heating pipes (34) are arranged, a receiving through cavity (15) is fixedly connected in the pretreatment assembly (1), and a filter screen plate (16) is arranged under the receiving through cavity (15).
  3. 3. The internal structure of a straw shallow carbonization furnace as set forth in claim 2, wherein the filter screen plate (16) is disposed right above the discharge hopper (12), and the filter screen plate (16) is used for screening crushed straw materials.
  4. 4. The internal structure of the straw shallow carbonization furnace according to claim 3, wherein a second motor (22) is fixedly connected to the outer side of the transportation assembly (2), a spiral conveying roller (23) is rotatably connected to the inside of the transportation assembly (2), and the spiral conveying roller (23) is fixedly connected with the output end of the second motor (22).
  5. 5. The internal structure of a straw shallow carbonization furnace as set forth in claim 4, wherein a discharge port (24) is provided at the bottom of the transportation assembly (2), and the discharge port (24) is communicated with the feed port (38) through a pipe mechanism.
  6. 6. The internal structure of a straw shallow carbonization furnace according to claim 5, wherein a stirring rod assembly (35) is rotatably connected inside the inner cylinder (33), a first motor (32) is fixedly connected to the outer side of the carbonization assembly (3), a first bevel gear (36) is fixedly connected to the output end of the first motor (32), and a second bevel gear (37) is connected to one side of the first bevel gear (36) in a meshed manner.
  7. 7. The internal structure of a straw shallow carbonization furnace as set forth in claim 6, wherein the second bevel gear (37) is fixedly connected with the stirring rod assembly (35) through a connecting rod.
  8. 8. The internal structure of a straw shallow carbonization furnace as set forth in claim 7, wherein an installation box is arranged outside the carbonization assembly (3), and the first bevel gear (36) and the second bevel gear (37) are respectively connected in a rotating manner inside the installation box.
  9. 9. The internal structure of the straw shallow carbonization furnace of claim 8, wherein a discharging pipe (331) is arranged on one side of the outer cylinder (31), two groups of crushing rollers (14) are fixedly connected on one side of the first gear (132), and the two groups of crushing rollers (14) crush materials.
  10. 10. The internal structure of the straw shallow carbonization furnace of claim 9, wherein a heat source outlet pipeline is arranged at the upper end of the carbonization assembly (3), a heat source inlet pipeline is arranged at the lower end of the carbonization assembly (3), sealing at two ends of a plurality of groups of heating pipes (34) in the carbonization assembly (3) adopts packing to seal in a rotating manner, and more than four fixed supporting points are arranged on each group of heating pipes (34), so that the heating pipes (34) can expand and stretch conveniently.

Description

Internal structure of straw shallow carbonization furnace Technical Field The invention relates to the field of carbonization furnaces, in particular to an internal structure of a straw shallow carbonization furnace. Background ‌ Carbonization furnace is industrial equipment ‌ for converting biomass materials (such as wood and straw) into carbide by high-temperature carbonization technology, has the core functions of realizing anaerobic carbonization and recycling combustible gas, and is widely applied to agricultural waste treatment and industrial fuel production; the shallow carbonization furnace for straw is a special device for low-level pyrolysis carbonization treatment of crop straw, and is a carbonization device which is used for partially decomposing the straw and keeping more biomass characteristics by controlling lower temperature and shorter time under the anoxic or oxygen-limited environment, adopts the carbonization pyrolysis technology and thermally decomposes the straw under the condition of isolating excessive oxygen, and mainly generates shallow carbonized matters (semi-carbonized products), wood vinegar and a small amount of combustible gas; The straw shallow carbonization furnace is innovative equipment for comprehensive utilization of straw, changes waste into valuable by precisely controlling pyrolysis conditions, solves the problem of traditional incineration pollution, can produce high-value semi-carbonized products and byproducts, and is suitable for the requirements of returning the straw to the field and improving soil in modern agriculture. The carbonization furnace is characterized in that the carbonization furnace is searched by a patent net, and the Chinese patent application number CN202210795422.7 relates to the field of boiler equipment, and comprises a furnace body, wherein the furnace body sequentially comprises an outer shell layer, a heat preservation layer and a heat insulation layer from outside to inside; It is known that the above-mentioned patent application has the following shortcomings that when the traditional carbonization furnace is used and the straw is required to be converted into carbide, the straw is directly put into the carbonization furnace through the feed inlet, the pretreatment work of the straw is lack, the straw is not subjected to crushing pretreatment, the problems of uneven heating and insufficient reaction are easy to occur in the subsequent carbonization, the loosening volume of the straw is large, the transportation efficiency is poor, and the working efficiency of the device is reduced. Disclosure of Invention The invention aims to provide an internal structure of a straw shallow carbonization furnace, which adopts the device to work, so that the problems that when the traditional carbonization furnace in the background is used, when the straw needs to be converted into carbide, the straw is directly put into the carbonization furnace through a feed inlet, the pretreatment work of the straw is lacking in the device, the straw is not subjected to crushing pretreatment, the follow-up carbonization is easy to be heated unevenly and the reaction is insufficient, the straw is loose and has large volume, the transportation efficiency is poor, and the working efficiency of the device is reduced are solved. The technical scheme includes that the inside structure of the straw shallow carbonization furnace comprises a carbonization component, wherein one side of the carbonization component is provided with a conveying component, the upper end of the conveying component is provided with a pretreatment component, the conveying component and the carbonization component are mutually communicated, the pretreatment component is fixedly connected above the conveying component, the top of the pretreatment component is provided with a through hole, the bottom of the pretreatment component is provided with a discharge hopper, the top of the conveying component is provided with a feed hopper, the feed hopper is matched with the discharge hopper, the outer side of the pretreatment component is provided with a heat dissipation chamber, the inside of the heat dissipation chamber is fixedly connected with a third motor, the output end of the third motor is fixedly connected with a first gear, the first gear is provided with two groups, the two groups of first gears are mutually meshed and connected, the two groups of first gears are respectively and rotatably connected inside the pretreatment component, the carbonization component comprises an inner cylinder arranged on one side of the conveying component, the inner cylinder is rotatably connected inside the inner cylinder, the carbonization component is provided with a heating pipe, and the heating pipe is uniformly distributed between the inner cylinder and the heating pipe. Preferably, the pretreatment component is fixedly connected with a receiving through cavity, and a filter screen plate is arranged right bel