CN111303920A - Device for producing biomass charcoal for improving soil - Google Patents
Device for producing biomass charcoal for improving soil Download PDFInfo
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- CN111303920A CN111303920A CN202010160099.7A CN202010160099A CN111303920A CN 111303920 A CN111303920 A CN 111303920A CN 202010160099 A CN202010160099 A CN 202010160099A CN 111303920 A CN111303920 A CN 111303920A
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- inner tube
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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
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Abstract
The invention discloses a device for producing biomass charcoal for improving soil, which comprises a crushing device, a feeding auger and a carbonization furnace, and is characterized in that: the carbonization furnace is sequentially provided with a heat-insulating shell, an inner tube and a carbonization inner tube from outside to inside, a pyrolysis gas channel is formed in a gap between the heat-insulating shell and the inner tube, a flue is formed in the gap between the inner tube and the carbonization inner tube, the bottom of the carbonization inner tube is arranged in a conical shape, a combustion chamber is formed in the space enclosed by the bottom of the inner tube and the carbonization inner tube, a pyrolysis gas outlet pipe is arranged at the top of the carbonization inner tube and penetrates through the top walls of the carbonization inner tube and the inner tube, the bottom of the inner tube is opened to enable the pyrolysis gas channel to be communicated with the combustion chamber, a smoke exhaust pipe is arranged at the top of the inner tube. 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.
Description
Technical Field
The invention relates to the technical field of biomass carbonization, in particular to a device for producing biomass charcoal for improving soil.
Background
With the use of chemical fertilizers in agricultural production and other various problems, soil degradation is serious, and soil restoration and improvement become an important subject. The use of activated carbon to improve soil has also become a popular technique. Meanwhile, a large amount of straw and other biomass wastes are generated in agricultural production and need to be treated, air pollution can be caused by simple open-air incineration, and a large amount of transportation cost needs to be consumed when the biomass particles are processed and then comprehensively utilized. 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 device for producing biomass charcoal for improving soil.
The invention is realized by the following technical scheme: the utility model provides a device of production improvement biomass charcoal for soil, includes breaker, material loading auger and retort, its characterized in that: the carbonization furnace is sequentially provided with a heat preservation shell, an inner tube and a carbonization inner tube from outside to inside, a pyrolysis gas channel is formed in a gap between the heat preservation shell and the inner tube, a flue is formed in the gap between the inner tube and the carbonization inner tube, the bottom of the carbonization inner tube is arranged in a conical shape, a combustion chamber is formed in a space enclosed by the bottom of the inner tube and the carbonization inner tube, a pyrolysis gas outlet pipe is arranged at the top of the carbonization inner tube, the pyrolysis gas outlet pipe penetrates through the top walls of the carbonization inner tube and the inner tube, the bottom of the inner tube is opened to enable the pyrolysis gas channel to be communicated with the combustion chamber, a smoke exhaust pipe is arranged at the top of the inner tube, the smoke exhaust pipe penetrates through the top wall of the inner tube upwards to.
As a further improvement of the proposal, the bottom of the carbonization inner container is provided with an air supplement port which is connected with an air compressor.
As a further improvement of the proposal, the air compressor sends air into the carbonization inner container in a pulse mode.
As a further improvement to the scheme, the lowest part of the bottom of the carbonization inner container is provided with a discharge opening, the discharge opening is connected with the carbon discharge auger through a discharge pipe, the inner side of the discharge opening is provided with a water spray nozzle, and the water spray nozzle 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 combustion chamber.
As a further improvement of the scheme, a smoke jacket is arranged outside the feeding auger, and an inlet of the smoke jacket is communicated with the smoke exhaust pipe through a smoke fan.
As a further improvement to the above scheme, a heat pipe is further arranged in the carbonization inner container, the heat pipe is vertically arranged, and the bottom of the heat pipe penetrates through the bottom of the carbonization inner container and extends into the combustion chamber.
As a further improvement to the above scheme, a spiral guide plate is arranged in the flue.
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 schematic 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 device of production improvement biomass charcoal for soil, includes breaker 1, material loading auger 2 and retort, its characterized in that: the carbonization furnace is sequentially provided with a heat-insulating shell 31, an inner cylinder 33 and a carbonization inner container 35 from outside to inside, a pyrolysis gas channel 32 is formed in a gap between the heat-insulating shell 31 and the inner cylinder 33, a flue 34 is formed in a gap between the inner cylinder 33 and the carbonization inner container 35, the bottom of the carbonization inner container 35 is arranged in a conical shape, a combustion chamber 36 is formed in a space enclosed by the bottom of the inner cylinder 33 and the carbonization inner container 35, a pyrolysis gas outlet pipe 51 is arranged at the top of the carbonization inner container 35, the pyrolysis gas outlet pipe 51 penetrates through the top walls of the carbonization inner container 35 and the inner cylinder 33, the bottom of the inner cylinder 33 is opened to enable the pyrolysis gas channel 32 to be communicated with the combustion chamber 36, a smoke exhaust pipe 52 is arranged at the top of the inner cylinder 33, the smoke exhaust pipe 52 penetrates through the heat-insulating shell 31 upwards from the top wall.
Sufficient air is introduced into the carbonization inner container 35 to burn 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, 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 32 through the pyrolysis gas outlet pipe 51 and finally reaches the combustion chamber 36, and the flue gas after ignition in the combustion chamber 36 enters the flue 34 and is finally discharged. In the process, the pyrolysis gas channel 32 surrounds the outer side of the flue 34, the heat dissipated by the flue 34 is fully recovered, the flue 34 is wrapped on the outer side of the carbonization inner container 35, the heat of the flue gas is used for heating the carbonization inner container 35 as much as possible, and the heat in the combustion flue gas is effectively utilized and is left in the carbonization furnace as much as possible.
An air supplement port 71 is arranged at the bottom of the carbonization inner container 35, and the air supplement port 71 is connected with the air compressor 7. In order to avoid too slow heat accumulation or less heat accumulation than heat loss in the carbonization liner 35, more heat is released in a manner of burning part of biomass charcoal by supplementing air, so that the carbonization environment in the carbonization liner 35 is ensured. The air compressor 7 can provide air with high flow velocity, so that the material in the carbonization inner container 35 can be overturned, and the condition that the interior can not be completely carbonized due to overhigh packing density is avoided.
The air compressor 7 sends air into the carbonization inner container 35 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 carbonization inner container 35 is provided with a discharge opening, the discharge opening is connected with a carbon discharge auger 9 through a discharge pipe, the inner side of the discharge opening is provided with a water spray nozzle 61, and the water spray nozzle 61 is connected with a water pump 6. The setting up of water spout 61 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 water spout 61 spun water and the hot charcoal contact back fast vaporization formation vapor, drives the pyrolysis gas in the carbomorphism inner bag 35 to combustion chamber 36, 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 9 is provided with a heat exchange jacket 91, the inlet of the heat exchange jacket 91 is connected with an air blower 92, and the outlet is communicated with the combustion chamber 36. Part of the heat of the discharged carbon particles can be further recovered by the heat exchange jacket 91.
A flue gas jacket 21 is arranged outside the feeding auger 2, and the inlet of the flue gas jacket 21 is communicated with a smoke exhaust pipe 52 through a flue gas fan 22.
The carbonization inner container 35 is also provided with a heat pipe 8, the heat pipe 8 is vertically arranged, and the bottom of the heat pipe 8 penetrates through the bottom of the carbonization inner container 35 and extends into the combustion chamber 36. The heat pipe 8 can effectively transfer heat to the interior of the carbonization inner container 35 by absorbing heat in the combustion chamber 36, particularly heat radiation during combustion.
A spiral deflector 37 is provided within the flue 34. The spiral guide plate 37 enables the smoke to rotate and rise around the carbonization inner container 35, so that the contact time of the smoke and the carbonization inner container 35 is prolonged, the heat exchange is sufficient, and the heat in the smoke is used for carbonization reaction as much as possible.
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 (8)
1. The utility model provides a device of production improvement biomass charcoal for soil, includes breaker, material loading auger and retort, its characterized in that: the carbonization furnace is characterized in that a heat-insulating shell, an inner tube and a carbonization inner tube are sequentially arranged from outside to inside, a pyrolysis gas channel is formed in a gap between the heat-insulating shell and the inner tube, a flue is formed in a gap between the inner tube and the carbonization inner tube, the bottom of the carbonization inner tube is arranged in a conical manner, a combustion chamber is formed in a space enclosed by the bottom of the inner tube and the carbonization inner tube, a pyrolysis gas outlet pipe is arranged at the top of the carbonization inner tube and penetrates through the top wall of the carbonization inner tube and the top wall of the inner tube, the bottom of the inner tube is opened to enable the pyrolysis gas channel to be communicated with the combustion chamber, a smoke exhaust pipe is arranged at the top of the inner tube and penetrates through the top wall of the inner tube upwards to extend out of the carbonization furnace from the heat-.
2. The apparatus for producing a biomass char for improving soil according to claim 1, wherein: and an air supplementing port is arranged at the bottom of the carbonization inner container and is connected with an air compressor.
3. The apparatus for producing a biomass char for improving soil according to claim 2, wherein: the air compressor sends air into the carbonization inner container in a pulse mode.
4. The apparatus for producing a biomass char for improving soil according to claim 1, wherein: the minimum department in carbomorphism 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.
5. The apparatus for producing a soil-improving biomass charcoal according to claim 4, wherein: the outer side of the charcoal discharging auger is provided with a heat exchange jacket, 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 combustion chamber.
6. The apparatus for producing a biomass char for improving soil according to claim 1, wherein: a smoke jacket is arranged outside the feeding auger, and an inlet of the smoke jacket is communicated with the smoke exhaust pipe through a smoke fan.
7. The apparatus for producing a biomass char for improving soil according to claim 1, wherein: still be provided with the heat pipe in the carbomorphism inner bag, the vertical setting of heat pipe, the bottom of heat pipe runs through carbomorphism inner bag bottom and stretches into in the combustion chamber.
8. The apparatus for producing a biomass char for improving soil according to claim 1, wherein: and a spiral guide plate is arranged in the flue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010160099.7A CN111303920B (en) | 2020-03-10 | 2020-03-10 | Device for producing biomass charcoal for improving soil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010160099.7A CN111303920B (en) | 2020-03-10 | 2020-03-10 | Device for producing biomass charcoal for improving soil |
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| CN111303920A true CN111303920A (en) | 2020-06-19 |
| CN111303920B CN111303920B (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010160099.7A Active CN111303920B (en) | 2020-03-10 | 2020-03-10 | Device for producing biomass charcoal for improving soil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113105295A (en) * | 2021-04-07 | 2021-07-13 | 塔里木大学 | Method for improving saline-alkali soil |
Citations (5)
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| RU2338770C1 (en) * | 2007-04-18 | 2008-11-20 | Общество с ограниченной ответственностью "АРС Группа" | Treatment method of wood biomass in form of combustive chips with receiving of bio-oil and wood coal and drying-retort module for treatment of wood biomass in form of combustive chips with receiving of bio-oil and wood coal |
| CN103320152A (en) * | 2013-06-28 | 2013-09-25 | 中国科学院广州能源研究所 | Vertical type sedimentation furnace for producing biological carbon |
| CN107245344A (en) * | 2017-06-24 | 2017-10-13 | 华中农业大学 | The recirculating fluidized bed carbonizing apparatus and method of agricultural wastes low energy consumption |
| 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 |
| CN107779216A (en) * | 2016-08-24 | 2018-03-09 | 北京三聚环保新材料股份有限公司 | A kind of biomass carbonization stove and charcoal preparation method |
-
2020
- 2020-03-10 CN CN202010160099.7A patent/CN111303920B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2338770C1 (en) * | 2007-04-18 | 2008-11-20 | Общество с ограниченной ответственностью "АРС Группа" | Treatment method of wood biomass in form of combustive chips with receiving of bio-oil and wood coal and drying-retort module for treatment of wood biomass in form of combustive chips with receiving of bio-oil and wood coal |
| CN103320152A (en) * | 2013-06-28 | 2013-09-25 | 中国科学院广州能源研究所 | Vertical type sedimentation furnace for producing biological carbon |
| CN107779216A (en) * | 2016-08-24 | 2018-03-09 | 北京三聚环保新材料股份有限公司 | A kind of biomass carbonization stove and charcoal preparation method |
| CN107245344A (en) * | 2017-06-24 | 2017-10-13 | 华中农业大学 | The recirculating fluidized bed carbonizing apparatus and method of agricultural wastes low energy consumption |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113105295A (en) * | 2021-04-07 | 2021-07-13 | 塔里木大学 | Method for improving saline-alkali soil |
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Effective date of registration: 20210621 Address after: Room 2402, block C, building 2, zone J, phase II, innovation industrial park, 2800 innovation Avenue, high tech Zone, Hefei City, Anhui Province 230001 Applicant after: Anhui fuel Smart Technology Co.,Ltd. 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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