CN113004920B - Biomass carbonization field returning treatment device - Google Patents

Biomass carbonization field returning treatment device Download PDF

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Publication number
CN113004920B
CN113004920B CN202010160058.8A CN202010160058A CN113004920B CN 113004920 B CN113004920 B CN 113004920B CN 202010160058 A CN202010160058 A CN 202010160058A CN 113004920 B CN113004920 B CN 113004920B
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inner container
pyrolysis gas
heat
wall
smoke exhaust
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CN202010160058.8A
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CN113004920A (en
Inventor
梅丽中
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Anhui Fuel Smart Technology Co ltd
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安徽燃博智能科技有限公司
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
    • A01F29/09—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/34—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely
    • F28F1/36—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely the means being helically wound fins or wire spirals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Thermal Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental Sciences (AREA)
  • Sustainable Development (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geometry (AREA)
  • Coke Industry (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a biomass carbonization field returning treatment device, which comprises a crushing device, a feeding device and a carbonization furnace, and is characterized in that: the carbonization furnace comprises an inner container, a heat insulation shell and a smoke exhaust pipe, wherein the inner container is arranged in the heat insulation shell, a gap is reserved between the inner wall of the heat insulation shell and the outer wall of the inner container to form a pyrolysis gas channel, and the inner wall of the bottom of the heat insulation shell and the outer wall of the bottom of the inner container are enclosed to form a pyrolysis gas combustion chamber; the top of the inner container is provided with a pyrolysis gas outlet, and the smoke exhaust pipe penetrates through the inner container from the pyrolysis gas combustion chamber upwards and finally penetrates through the top wall of the heat-insulating shell through the pyrolysis gas outlet to extend out of the carbonization furnace; the carbonization furnace is also provided with a feed hopper, and the bottom of the feed hopper is directly communicated with the inner cavity of the inner container through a feed pipe. Compared with the prior art, the invention has the following advantages: the heat generated by the pyrolysis gas is used for biomass carbonization without external energy; the heat utilization efficiency is high; the inventive method of spraying water in the furnace reduces the carbon discharge temperature and accelerates the discharge of pyrolysis gas.

Description

Biomass carbonization field returning treatment device
Technical Field
The invention relates to the technical field of biomass carbonization, in particular to a biomass carbonization field returning treatment device.
Background
In agricultural production, a large amount of biomass waste such as straws and the like is generated, and the conventional method is to carry out artificial collection and then convey the biomass waste to a designated factory to process the biomass waste into biomass particles for comprehensive utilization. However, because the biomass waste is low in price and the added value of the biomass product is low, most of the cost is spent on transportation, and unnecessary energy consumption is caused. According to the scheme, the energy of the biomass waste is directly utilized, the biomass waste is processed into the biomass charcoal in the field and then returned to the field, so that the effect of improving the soil is achieved, and the problem of high energy consumption in the process of disposing the biomass waste is effectively solved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a biomass carbonization field returning treatment device.
The invention is realized by the following technical scheme: the utility model provides a living beings carbomorphism returns field processing apparatus, includes breaker, loading attachment and retort, its characterized in that: the carbonization furnace comprises an inner container, a heat insulation shell and a smoke exhaust pipe, wherein the inner container is arranged in the heat insulation shell, a gap is reserved between the inner wall of the heat insulation shell and the outer wall of the inner container to form a pyrolysis gas channel, and the inner wall of the bottom of the heat insulation shell and the outer wall of the bottom of the inner container are enclosed to form a pyrolysis gas combustion chamber; the top of the inner container is provided with a pyrolysis gas outlet, and the smoke exhaust pipe penetrates through the inner container from the pyrolysis gas combustion chamber upwards and finally penetrates through the top wall of the heat-insulating shell through the pyrolysis gas outlet to extend out of the carbonization furnace; the carbonization furnace is also provided with a feed hopper, and the bottom of the feed hopper is directly communicated with the inner cavity of the inner container through a feed pipe.
As a further improvement of the proposal, an air supplement port is arranged at the bottom of the inner container and is connected with an air compressor.
As a further improvement of the scheme, the air compressor sends air into the inner container in a pulse mode.
As a further improvement to the scheme, the lowest part of the bottom of the inner container is provided with a discharge opening, the discharge opening is connected with the carbon discharge auger through a discharge pipe, and the inner side of the discharge opening is provided with a water spray nozzle which is connected with a water pump.
As a further improvement to the scheme, a heat exchange jacket is arranged on the outer side of the carbon discharge auger, the inlet of the heat exchange jacket is connected with the air blower, and the outlet of the heat exchange jacket is communicated with the pyrolysis gas combustion chamber.
As a further improvement to the above scheme, the outer wall of the feed hopper is provided with a flue gas heat recovery jacket, and the inlet of the flue gas heat recovery jacket is communicated with the smoke exhaust pipe through a flue gas fan.
As a further improvement of the scheme, the inner container is also provided with a heat pipe which is vertically arranged, and the bottom of the heat pipe penetrates through the bottom of the inner container and extends into the pyrolysis gas combustion chamber.
As a further improvement to the scheme, the outer wall of the smoke exhaust pipe is provided with spiral fins, the smoke exhaust pipe is rotatably and hermetically connected with the bottom of the inner container, the smoke exhaust pipe is also rotatably and hermetically connected with the top of the heat insulation shell, the top of the heat insulation shell is provided with a driving motor for driving the smoke exhaust pipe to rotate, and when the smoke exhaust pipe rotates, the materials are upwards turned.
Compared with the prior art, the invention has the following technical advantages: the heat generated by the pyrolysis gas is used for biomass carbonization without external energy; the heat utilization efficiency is high; the inventive method of spraying water in the furnace reduces the carbon discharge temperature and accelerates the discharge of pyrolysis gas.
Drawings
FIG. 1 is a diagram of the present invention.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
The utility model provides a living beings carbomorphism returns field processing apparatus, includes breaker 1, loading attachment 2 and retort, its characterized in that: the carbonization furnace comprises an inner container 31, a heat-insulating shell 32 and a smoke exhaust pipe 9, wherein the inner container 31 is arranged in the heat-insulating shell 32, a gap is reserved between the inner wall of the heat-insulating shell 32 and the outer wall of the inner container 31 to form a pyrolysis gas channel 35, and the inner wall of the bottom of the heat-insulating shell 32 and the outer wall of the bottom of the inner container 31 are enclosed to form a pyrolysis gas combustion chamber 34; the top of the inner container 31 is provided with a pyrolysis gas outlet 33, the smoke exhaust pipe 9 upwards penetrates the inner container 31 from a pyrolysis gas combustion chamber 34 and finally penetrates the top wall of the heat insulation shell 32 through the pyrolysis gas outlet 33 to extend out of the carbonization furnace; the carbonization furnace is also provided with a feed hopper 61, and the bottom of the feed hopper 61 is directly communicated with the inner cavity of the inner container 31 through a feed pipe.
Sufficient air is introduced into the inner container 31 to burn the biomass before use, so that the carbonization furnace can fully store heat. The biomass waste is crushed into fine particles by the crushing device 1 and then is sent into the carbonization furnace through the feeding device 2, the fine particles are pyrolyzed in the high-temperature environment of the carbonization furnace to form biomass charcoal and pyrolysis gas, the pyrolysis gas enters the pyrolysis gas channel 35 through the pyrolysis gas outlet 33 and finally reaches the pyrolysis gas combustion chamber 34, and the flue gas is ignited in the pyrolysis gas combustion chamber 34 and then enters the smoke exhaust pipe 9 to be finally discharged. In the process, the pyrolysis gas channel 35 surrounds the outer side of the inner container 31, and recovers heat dissipated by the inner container 31; the combustion chamber is arranged at the bottom, and the smoke exhaust pipe 9 penetrates through the inner container 31 to be arranged up and down, so that the heat in the combustion smoke is effectively utilized, and the heat is kept in the carbonization furnace as far as possible.
An air supplement port 81 is arranged at the bottom of the inner container 31, and the air supplement port 81 is connected with the air compressor 8. In order to avoid too slow heat accumulation or heat accumulation smaller than heat loss in the inner container 31, more heat is released in a mode of burning part of biomass charcoal by supplementing air, so that the carbonization environment in the inner container 31 is ensured. The air compressor 8 can provide air with high flow rate, so that the materials in the inner container 31 can be overturned, and the condition that the interior of the inner container cannot be completely carbonized due to overhigh packing density is avoided.
The air compressor 8 sends air into the inner container 31 in a pulse mode. The pulse type air supply can avoid forming an air flow channel to cause air bias flow, and form vibration type material movement, thereby being beneficial to material conveying and material distribution homogenization.
The lowest position of the bottom of the inner container 31 is provided with a discharge hole, the discharge hole is connected with a charcoal discharging auger 71 through a discharge pipe, the inner side of the discharge hole is provided with a water spray nozzle 5, and the water spray nozzle 5 is connected with a water pump 51. The setting of water spout 5 can reduce the temperature that is about to the living beings charcoal of discharging fast, avoids the high temperature to discharge back contact air direct combustion and forms the hidden danger, simultaneously through 5 spun water of water spout and the formation vapor of quick vaporization behind the hot charcoal contact, drives the pyrolysis gas in the inner bag 31 to pyrolysis gas combustion chamber 34, and water and charcoal can also form the water gas under high temperature in addition, provide the energy for the carbonization reaction jointly with pyrolysis gas.
The outer side of the charcoal discharging auger 71 is provided with a heat exchange jacket 72, the inlet of the heat exchange jacket 72 is connected with an air blower, and the outlet is communicated with the pyrolysis gas combustion chamber 34. A portion of the heat of the discharged carbon pellets can be further recovered by the heat exchange jacket 72.
The outer wall of the feed hopper 61 is provided with a flue gas heat recovery jacket 62, and the inlet of the flue gas heat recovery jacket 62 is communicated with a smoke exhaust pipe 9 through a flue gas fan 6. The material is directly heated at the feed hopper 61, so that the discharge of water vapor can be reduced, and the water vapor brought into the inner container 31 can help to drive pyrolysis gas to be rapidly discharged.
The inner container 31 is also provided with a heat pipe 4, the heat pipe 4 is vertically arranged, and the bottom of the heat pipe 4 penetrates through the bottom of the inner container 31 and extends into the pyrolysis gas combustion chamber 34. The heat pipe 4 can effectively utilize and absorb heat in the pyrolysis gas combustion chamber 34, especially heat radiation during combustion, and convey the heat to the inside of the inner container 31.
The outer wall of the smoke exhaust pipe 9 is provided with a spiral fin 91, the smoke exhaust pipe 9 is rotatably and hermetically connected with the bottom of the inner container 31, the smoke exhaust pipe 9 is also rotatably and hermetically connected with the top of the heat insulation shell 32, the top of the heat insulation shell 32 is provided with a driving motor 92 for driving the smoke exhaust pipe 9 to rotate, and when the smoke exhaust pipe 9 rotates, the materials are turned upwards. The rotatable smoke exhaust pipe 9 can convey materials with high bottom temperature upwards, and meanwhile the spiral fins 91 can also play a role in heat conduction, so that the utilization efficiency of energy in the carbonization process is improved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a living beings carbomorphism returns field processing apparatus, includes breaker, loading attachment and retort, its characterized in that: the carbonization furnace comprises an inner container, a heat insulation shell and a smoke exhaust pipe, wherein the inner container is arranged in the heat insulation shell, a gap is reserved between the inner wall of the heat insulation shell and the outer wall of the inner container to form a pyrolysis gas channel, and the inner wall of the bottom of the heat insulation shell and the outer wall of the bottom of the inner container are enclosed to form a pyrolysis gas combustion chamber; the top of the inner container is provided with a pyrolysis gas outlet, and the smoke exhaust pipe penetrates through the inner container from the pyrolysis gas combustion chamber upwards and finally penetrates through the top wall of the heat-insulating shell through the pyrolysis gas outlet to extend out of the carbonization furnace; the carbonization furnace is also provided with a feed hopper, and the bottom of the feed hopper is directly communicated with the inner cavity of the inner container through a feed pipe;
an air supplement port is arranged at the bottom of the inner container and is connected with an air compressor;
the air compressor sends air into the inner container in a pulse mode.
2. The biomass carbonization and field returning treatment device as claimed in claim 1, characterized in that: the minimum department in inner bag bottom sets up the bin outlet, the bin outlet is connected with row charcoal auger through the blow off pipe the bin outlet inboard is provided with the water spout, the water spout is connected with the water pump.
3. The biomass carbonization and field returning treatment device as claimed in claim 2, characterized in that: the outer side of the carbon discharge auger is provided with a heat exchange jacket, the inlet of the heat exchange jacket is connected with an air blower, and the outlet of the heat exchange jacket is communicated with a pyrolysis gas combustion chamber.
4. The biomass carbonization and field returning treatment device as claimed in claim 1, characterized in that: the outer wall of the feed hopper is provided with a flue gas heat recovery jacket, and the inlet of the flue gas heat recovery jacket is communicated with a smoke exhaust pipe through a flue gas fan.
5. The biomass carbonization and field returning treatment device as claimed in claim 1, characterized in that: the inner container is also provided with a heat pipe which is vertically arranged, and the bottom of the heat pipe penetrates through the bottom of the inner container and extends into the pyrolysis gas combustion chamber.
6. The biomass carbonization and field returning treatment device as claimed in claim 1, characterized in that: the outer wall of the smoke exhaust pipe is provided with spiral fins, the smoke exhaust pipe is rotatably and hermetically connected with the bottom of the inner container, the smoke exhaust pipe is also rotatably and hermetically connected with the top of the heat insulation shell, the top of the heat insulation shell is provided with a driving motor for driving the smoke exhaust pipe to rotate, and when the smoke exhaust pipe rotates, the materials are upwards turned.
CN202010160058.8A 2020-03-10 2020-03-10 Biomass carbonization field returning treatment device Active CN113004920B (en)

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CN202010160058.8A CN113004920B (en) 2020-03-10 2020-03-10 Biomass carbonization field returning treatment device

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CN202010160058.8A CN113004920B (en) 2020-03-10 2020-03-10 Biomass carbonization field returning treatment device

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CN113004920B true CN113004920B (en) 2022-04-19

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2285201C2 (en) * 2004-11-10 2006-10-10 Александр Иванович Сирук Device for pyrolyisis of wood waste
CN107779216B (en) * 2016-08-24 2020-05-01 北京三聚环保新材料股份有限公司 Biomass retort and biochar preparation method
CN107245344B (en) * 2017-06-24 2023-04-28 华中农业大学 Low-energy-consumption circulating fluidized bed carbonization device and method for agricultural wastes
CN107603646A (en) * 2017-07-03 2018-01-19 农业部规划设计研究院 Combined heated biomass pyrolytic carbon oil cogeneration system inside and outside a kind of movable type
CN107318386A (en) * 2017-08-09 2017-11-07 程革林 A kind of agricultural machinery with straw field pickup and carbonization complex function

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Address after: 230001 room 408-1072, Nangang Science Park, the intersection of Dabieshan road and Tianlong Road, high tech Zone, Hefei, Anhui Province

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Address before: 230001 56 1401, Hanjia urban forest community, Qianshan Road, Shushan District, Hefei City, Anhui Province

Applicant before: Mei Lizhong

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