CN209039395U - A kind of stalk is dry and thermal cracker - Google Patents
A kind of stalk is dry and thermal cracker Download PDFInfo
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- CN209039395U CN209039395U CN201820932468.8U CN201820932468U CN209039395U CN 209039395 U CN209039395 U CN 209039395U CN 201820932468 U CN201820932468 U CN 201820932468U CN 209039395 U CN209039395 U CN 209039395U
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- 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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Abstract
The utility model belongs to biomass energy technology field, specifically provides a kind of biomass charing device.Stalk drying provided by the utility model and thermal cracker, including drying system, thermal splitting system, phase-separation system, heating system and transportation system.Wherein, the heat source of drying system and thermal splitting system is all from high-temperature flue gas caused by heating system burning thermal cracking gas, also, the exhanst gas outlet of combustion chamber is also connected with the inner cavity of drying oven in heating system.When above-mentioned special construction to carry out dry stalk and thermal cracking using the device, heat exchanger effectiveness is high, thermal loss is few, after device starting, can fully achieve heat source and automatically supply.Importantly, the high-temperature flue gas that pyrolysis gas burning generates also is passed through dry furnace chamber, oxygen content can reduce, build limit oxygen environment, additionally it is possible to water vapour content in reduction system, conducive to the progress of subsequent pyrolysis.
Description
Technical field
The utility model belongs to chemical equipment technical field, and in particular to a kind of biomass charing device.
Background technique
With the raising of fast development and the life in the countryside level of agricultural modernization and urbanization, the energy of rural area
Short Land use systems fall behind problem and increasingly highlight.Biomass energy is a kind of clean reproducible energy, have nitrogen, sulfur content few and
CO2The advantages of near-zero release, and rural area resource reserve is abundant.Maximally utilise own biomass resource, reductionization
The consumption of the stone energy and its caused by environmental pollution, farmers' income can be effectively increased, improve that life in the countryside is horizontal and protection agricultural
Ecological environment is the important path that new countryside construction realizes the energy, economy, harmonious development.
Biomass pyrolytic technology is one of biomass thermal chemical conversion technology, which is that will shred or after molding
Biomass material, heat temperature raising causes intramolecule to decompose under anaerobic environment, and then forms biomass carbon, bio oil and can not
The process of condensed gas product.Biomass carbon can be used as the high-quality energy, soil conditioner, and it is slow also to can be used as reducing agent, fertilizer
Carrier and carbon dioxide sequestration agent etc. are released, carbon fixation and emission reduction, water source purifying, heavy metal adsorption and soil improvement etc. are widely used to
Field.Because it can be the whole world hot issues deeply concerned such as climate change, environmental pollution and soil function degeneration to a certain extent
Solution is provided, the production and application of charcoal have aroused extensive attention at home and abroad.
Currently, how to reduce consumption and the thermal loss of the straw splitting technique energy to greatest extent, and then realize
Production cost is greatly lowered, and is the hot spot of those skilled in the art's research.
Utility model content
Utility model aims to solve the defects of straw splitting higher cost in the prior art, and then provide one kind
Novel straw drying and thermal cracker.
The above-mentioned purpose of the utility model is achieved through the following technical solutions:
A kind of stalk is dry and thermal cracker, including,
Drying system, for being dried and preheat to stalk particle, including drying oven；
Thermal splitting system, for carrying out thermal cracking, including pyrolysis oven to the stalk particle after drying and preheating；
Phase-separation system, including gas solid separation unit obtain thermal cracking gas for thermal cracking products to be carried out gas solid separation
And biomass carbon；
Heating system, including combustion chamber have pyrolysis gas entrance, combustion air inlet and exhanst gas outlet, are used for the combustion heat
Cracking gas provides the heat source of drying system and thermal splitting system to generate high-temperature flue gas；
Transportation system, the conveying for material；
The exhanst gas outlet of the combustion chamber is connected with the inner cavity of the drying oven.
The drying oven is that external-heat rotarily dries furnace, external-heat rotary drying stove have inner cylinder, outer barrel and
The two is formed by clip cavity, and the clip cavity and inner cylinder are connect with the exhanst gas outlet of the combustion chamber.
The pyrolysis oven is that external-heat rotates pyrolysis oven, external-heat rotation pyrolysis oven have inner cylinder, outer barrel and
The two is formed by clip cavity；The clip cavity is connect with the exhanst gas outlet of the combustion chamber.
The transportation system includes being located between external-heat rotary drying furnace and external-heat rotation pyrolysis oven
Feeding warehouse, for accumulating the stalk particle after drying and preheating.
The clip cavity smoke inlet of the drying oven is connect with the clip cavity exhanst gas outlet of the pyrolysis oven, the folder of the pyrolysis oven
Chamber smoke inlet is connect with the exhanst gas outlet of the combustion furnace.
It further include residual neat recovering system, the residual neat recovering system includes waste heat boiler, and the waste heat boiler is done with described
The clip cavity exhanst gas outlet of dry furnace is connected with the clip cavity exhanst gas outlet of the pyrolysis oven, for Mist heat recovering.
The inner cavity exhanst gas outlet of the drying oven is connected with the combustion air inlet of the combustion chamber.
The combustion chamber is equipped with pyrolysis gas jets, for pyrolysis gas to be conveyed into combustion chamber.
Further include washing system, for washing pyrolysis gas, the gas access and outlet of the washing system respectively with it is described
The gas vent of gas solid separation unit is connected with the smoke inlet of the combustion chamber.
The phase-separation system further includes water-oil separating unit, the entrance and the washing system of the water-oil separating unit
Cleaning solution outlet be connected.
The drying system and the thermal splitting system are equipped with temperature control device, supply the drying oven and described for adjusting
The exhaust gas volumn of pyrolysis oven.
It further include smoke processing system, the gas cleaning for exporting the drying system and the thermal splitting system.
It further include biomass carbon crushing and cooling system.
It further include charcoal base manure preparation system, for biomass carbon and fertilizer material to be mixed with charcoal base manure.
Heat source comes from the residual neat recovering system in the charcoal base manure preparation system.
Preparing composite fertilizer material used in charcoal base manure includes inorganic fertilizer, microelement and binder etc., wherein inorganization
Fertilizer includes one or more of urea, monoammonium phosphate, Diammonium phosphate (DAP), potassium sulfate；Biomass carbon is (dry in charcoal base manure obtained
Base) account for 10~20wt% of compound fertilizer's total raw material.
The technical solution of the utility model has the advantages that
1. stalk provided by the utility model is dry and thermal cracker, including drying system, thermal splitting system, mutually separate
System, heating system and transportation system.Wherein, the heat source of drying system and thermal splitting system is all from heating system burning hot tearing
It vents one's spleen generated high-temperature flue gas, also, the exhanst gas outlet of combustion chamber is also connected with the inner cavity of drying oven in heating system.On
When stating special construction and to carry out stalk dry and thermal cracking using the device, heat exchanger effectiveness is high, thermal loss is few, in device
After starting, heat source can be fully achieved and automatically supplied.Importantly, the high-temperature flue gas that pyrolysis gas burning generates also is passed through drying oven
Inner cavity, can by the air displacement around stalk particle be high-temperature flue gas, reduce oxygen content, build limit oxygen environment, more have
Conducive to guarantee biomass carbon quality, additionally it is possible to take away the dry generated vapor of stalk particle in time, water in reduction system
Vapor content, conducive to the progress of subsequent pyrolysis.
Stalk drying provided by the utility model and thermal cracker, realize equipment skid, modularization, production continuously
Change and auto-control.The stalk carried out using it is dry and thermal cracking process, and process is short, good control and low in cost, straw
Stalk raw material is processed in closed system, does not generate the three wastes.
2. stalk drying provided by the utility model and thermal cracker, the stalk drying and thermal cracking carried out using it
Processing, can recycle all dust, pyrolysis gas and pyrolysis byproducts (wood vinegar and wood tar).
Detailed description of the invention
It, below will be to specific embodiment party in order to illustrate more clearly of the technical solution in specific embodiment of the present invention
Attached drawing needed in formula description is briefly described, it should be apparent that, the accompanying drawings in the following description is the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of stalk that embodiment provides drying of the utility model and thermal cracker schematic diagram；
Fig. 2 is a kind of stalk that embodiment provides of the utility model dry and in thermal cracker drying system and heat
Cracking system schematic diagram；
The reference numerals are as follows in above-mentioned attached drawing:
The crushing of 1- stalk, granulation or briquetting processing system；2- feeding system；3- drying oven；The clip cavity flue gas of 31- drying oven
Entrance；The clip cavity exhanst gas outlet of 32- drying oven；The inner cavity smoke inlet of 33- drying oven；The inner cavity flue gas of 34- drying oven goes out
Mouthful；304- feeding warehouse；4- pyrolysis oven；The clip cavity smoke inlet of 41- pyrolysis oven；The clip cavity exhanst gas outlet of 42- pyrolysis oven；5- gas-solid
Separation；6- deduster；7- biomass carbon crushes and cooling system；The combustion chamber 8-；9- scrubbing tower；10- water-oil separating unit；11-
Surge tank；12- demister；13- waste heat boiler；14- smoke processing system.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.In addition, the utility model disclosed below
Technical characteristic involved in different embodiments can be combined with each other as long as they do not conflict with each other.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
Present embodiments provide that a kind of stalk is dry and thermal cracker, the device include,
Drying system, including drying oven 3, stalk particle are dried and preheat in drying oven 3；
Thermal splitting system, for carrying out thermal cracking, including pyrolysis oven 4 to the stalk particle after drying and preheating；
Phase-separation system, including gas solid separation unit obtain thermal cracking gas for thermal cracking products to be carried out gas solid separation
And biomass carbon；
Heating system, including combustion chamber 8 have pyrolysis gas entrance, combustion air inlet and exhanst gas outlet, are used for the combustion heat
Cracking gas provides the heat source of drying system and thermal splitting system to generate high-temperature flue gas；
Transportation system, the conveying for material；
The exhanst gas outlet of the combustion chamber is connected with the inner cavity of the drying oven.
The stalk particle outlet of drying system is connected with the stalk particle entrance of thermal splitting system, and stalk particle passes through object
Expect transportation system transmission.The thermal decomposition product outlet of thermal splitting system is connected with gas solid separation unit, in the present embodiment, gas solid separation
Unit selects sedimentation tower, naturally it is also possible to be or other gas-solid separation equipments, or the cleaners such as including cyclone separator.
The gaseous phase outlet of gas solid separation unit is connected with combustion chamber, as shown in Figure 1, as a preferred embodiment,
Further include a washing system, which includes scrubbing tower 9, gaseous phase outlet by threeway respectively with combustion chamber and scrubbing tower
9 are connected, and the gaseous phase outlet of scrubbing tower is connected with demister, and the gaseous phase outlet of demister is connected with surge tank, the gas phase of surge tank
Outlet is connected with combustion chamber.Spray column can be selected in the scrubbing tower 9, meanwhile, phase-separation system also sets up an oil-water separation system,
The liquid outlet of scrubbing tower is connected with the entrance of oil-water separation system.When device works, the pyrolysis that is exported by gas solid separation unit
Gas enters scrubbing tower, and the cleaning solution washed is sent into oil-water separation system, obtains wood vinegar and wood tar through water-oil separating, and
Pyrolysis gas by washing is re-fed into combustion chamber and burns, and obtained high-temperature flue gas is used for the drying and pyrolysis of stalk particle.
During operation of the device, it can select according to actual needs, whole pyrolysis gas after gas solid separation enter combustion chambers burn,
Alternatively, successively passing through demister and surge tank after whole pyrolysis gas after gas solid separation enter scrubbing tower washing, entering back into burning
Storage is sent in room.So as to flexibly control the yield of wood tar and wood vinegar.
As a preferred embodiment, drying oven 3 selects external-heat to rotarily dry furnace, with inside and outside two cylinders
Body, inner cylinder form clip cavity, are provided with drying oven on outer barrel around dry furnace chamber is constituted between inner cylinder and outer barrel
Clip cavity smoke inlet 31 and clip cavity exhanst gas outlet 32, the entrance are connected with the exhanst gas outlet of combustion chamber, to realize flue gas to drying
The heat supply of furnace, the outlet are connected with waste heat boiler；The inner cavity smoke inlet 33 and inner cavity flue gas of drying oven are provided on inner cylinder
Outlet 34, which is connected with the exhanst gas outlet of combustion chamber, which is connected with waste heat boiler.
As a preferred embodiment, pyrolysis oven 4 selects external-heat revolving burner, it is interior with inside and outside two cylinders
The space that cylinder surrounds is pyrolysis furnace chamber, and inner cylinder and outer barrel collectively form a clip cavity, and the clip cavity is by being arranged outside
Clip cavity smoke inlet 41 on cylinder is connected with the exhanst gas outlet of combustion chamber.A clip cavity flue gas is additionally provided on the outer barrel to go out
Mouth 42, is connected, waste heat boiler 13 is connected with a gas purge system with waste heat boiler 13.
The clip cavity smoke inlet 31 of drying oven direct can not also be connected with the exhanst gas outlet of combustion chamber, but with pyrolysis oven
Clip cavity exhanst gas outlet 42 is connected.In this way, the high-temperature flue gas that combustion chamber comes out carry out entering back into after heat release in pyrolysis oven it is dry
The clip cavity of dry furnace and inner cavity carry out the drying and preheating to stalk particle and replace the air atmosphere around stalk particle to be flue gas
Atmosphere.
Device at work, by transportation system send stalk particle into drying oven, it is dry under high-temperature flue gas environment and
Preheating, then, the stalk particle after preheating and drying are transported in pyrolysis oven, using high-temperature flue gas as external-heat heat source, are occurred
High temperature pyrolysis under limited oxygen condition, the thermal cracking products (thermal cracking gas and biomass carbon) of generation are sent into after being exported by pyrolysis oven
Sedimentation tower, isolated pyrolysis pneumatic transmission burn into combustion chamber, generate high-temperature flue gas, according to production design and industrial requirement,
All or part of high-temperature flue gas can be conveyed into the clip cavity of pyrolysis oven and drying oven and serve as heat source.When specific operation, both may be used
To each lead into high-temperature flue gas in the clip cavity of drying oven and pyrolysis oven, high-temperature flue gas can also be made to be introduced into the folder of pyrolysis oven
Chamber is then delivered to inner cavity and the clip cavity of drying oven by the clip cavity exhanst gas outlet of pyrolysis oven.
Obviously, drying oven is not limited to above structure, if while can be realized flue gas as heat source also and drying oven
The material of inner cavity contacts and displaced air.Pyrolysis oven is also not limited to above structure, as long as having good heat preservation and closed
Property and enable flue gas as outer heat source is cracked and use.
It, should be into as a preferred embodiment, also set up a feeding warehouse 304 between drying oven and pyrolysis oven
The mode of Fig. 2 can be used in feed bin, and the outlet of drying oven is connected with the entrance of feeding warehouse, the outlet and pyrolysis of the setting of feeding warehouse bottom
The feed inlet of furnace is connected by a helical feed.At work, by the stalk particle after the preheating and drying of drying oven output
Fall into feeding warehouse 304, stalk particle dense accumulation in the feeding warehouse, in this way, it is possible to by atmosphere in pyrolysis oven and drying oven
Middle atmosphere separates.Certainly, feeding warehouse can also using other way be arranged, as long as can reach the dense accumulation of stalk particle with
The effect that atmosphere in drying oven and pyrolysis oven is separated.
Comparative example
The stalk that this comparative example provides is dry and thermal cracker, general structure with the utility model embodiment institute
There is provided it is identical, the difference is that, the device using traditional drying equipment as drying oven, the furnace chamber not with combustion chamber
Exhanst gas outlet be connected, but Open architecture.
Compared with the device that comparative example provides, stalk particle is carried out using the device that the utility model embodiment provides
When dry and thermal cracking, 10% energy cost can be at least saved, also, due to the drying furnace chamber of the utility model and combustion
Room high-temperature flue gas outlet is burnt to be connected, high-temperature flue gas is when through dry furnace chamber, by the air displacement around stalk particle, and will
Vapor is taken away, and can build limit oxygen environment in advance, in this way, in pyrolysis furnace with regard to without carry out manufacture negative pressure be supplemented inertia
The operation of gas.Not only save industrial nitrogen-making device (generally requiring hundreds of thousands member), additionally it is possible to make full use of high-temperature flue gas
Thermal energy improves heat exchanger effectiveness, reduces thermal loss.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among still in the protection scope of the utility model.
Claims (15)
1. a kind of stalk drying and thermal cracker, which is characterized in that including,
Drying system, for being dried and preheat to stalk particle, including drying oven (3)；
Thermal splitting system, for carrying out thermal cracking, including pyrolysis oven (4) to the stalk particle after drying and preheating；
Phase-separation system, including gas solid separation unit obtain thermal cracking gas and life for thermal cracking products to be carried out gas solid separation
Substance charcoal；
Heating system, including combustion chamber (8) have pyrolysis gas entrance, combustion air inlet and exhanst gas outlet, for hot tearing of burning
It vents one's spleen to generate high-temperature flue gas, the heat source of drying system and thermal splitting system is provided；
Transportation system, the conveying for material；
The exhanst gas outlet of the combustion chamber is connected with the inner cavity of the drying oven.
2. stalk drying according to claim 1 and thermal cracker, which is characterized in that
The drying oven is that external-heat rotarily dries furnace, and the external-heat rotary drying stove has inner cylinder, outer barrel and the two
It is formed by clip cavity, the clip cavity and inner cylinder are connect with the exhanst gas outlet of the combustion chamber.
3. stalk drying according to claim 1 or 2 and thermal cracker, which is characterized in that
The pyrolysis oven is that external-heat rotates pyrolysis oven, and the external-heat rotation pyrolysis oven has inner cylinder, outer barrel and the two
It is formed by clip cavity；The clip cavity is connect with the exhanst gas outlet of the combustion chamber.
4. stalk drying according to claim 3 and thermal cracker, which is characterized in that the transportation system includes being located at
Feeding warehouse (304) between the external-heat rotary drying furnace and external-heat rotation pyrolysis oven, passes through drying for accumulating
With the stalk particle after preheating.
5. stalk drying according to claim 1 and thermal cracker, which is characterized in that the clip cavity flue gas of the drying oven
Entrance (31) is connect with the clip cavity exhanst gas outlet (42) of the pyrolysis oven, the clip cavity smoke inlet (41) of the pyrolysis oven with it is described
The exhanst gas outlet of combustion chamber (8) connects.
6. stalk drying according to claim 1 and thermal cracker, which is characterized in that it further include residual neat recovering system,
The residual neat recovering system includes waste heat boiler (13), the waste heat boiler respectively with the clip cavity exhanst gas outlet of the drying oven
(32) it is connected with the clip cavity exhanst gas outlet (42) of the pyrolysis oven, is used for Mist heat recovering.
7. stalk drying according to claim 1 and thermal cracker, which is characterized in that the inner cavity flue gas of the drying oven
Outlet (34) is connected with the combustion air inlet of the combustion chamber (8).
8. stalk drying according to claim 1 and thermal cracker, which is characterized in that the combustion chamber is equipped with pyrolysis gas
Nozzle, for pyrolysis gas to be conveyed into combustion chamber (8).
9. stalk drying according to claim 1 and thermal cracker, which is characterized in that further include washing system, be used for
Wash pyrolysis gas, the gas access of the washing system and export respectively with the gas vent of the gas solid separation unit and described
The smoke inlet of combustion chamber (8) is connected.
10. stalk drying according to claim 9 and thermal cracker, which is characterized in that the phase-separation system is also wrapped
It includes water-oil separating unit (10), the entrance of the water-oil separating unit (10) is connected with the outlet of the cleaning solution of the washing system.
11. stalk according to claim 1 is dry and thermal cracker, which is characterized in that the drying system and described
Thermal splitting system is equipped with temperature control device, for adjusting the exhaust gas volumn for supplying the drying oven and the pyrolysis oven.
12. stalk drying according to claim 1 and thermal cracker, which is characterized in that further include smoke processing system
(14), the gas cleaning for exporting the drying system and the thermal splitting system.
13. stalk drying according to claim 1 and thermal cracker, which is characterized in that further include that biomass carbon crushes
With cooling system (7).
14. stalk drying according to claim 1 and thermal cracker, which is characterized in that further include charcoal base manure preparation system
System, for biomass carbon and fertilizer material to be mixed with charcoal base manure.
15. stalk drying according to claim 14 and thermal cracker, which is characterized in that the charcoal base manure preparation system
Middle heat source comes from the residual neat recovering system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820932468.8U CN209039395U (en) | 2018-06-15 | 2018-06-15 | A kind of stalk is dry and thermal cracker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820932468.8U CN209039395U (en) | 2018-06-15 | 2018-06-15 | A kind of stalk is dry and thermal cracker |
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| CN209039395U true CN209039395U (en) | 2019-06-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477667A (en) * | 2021-07-05 | 2021-10-08 | 广东天源环境科技有限公司 | Cyanide tailing decyanation method |
| CN114410326A (en) * | 2022-01-25 | 2022-04-29 | 贵州省土壤肥料研究所 | Automatic carbomorphism processing apparatus of lees |
| CN115213195A (en) * | 2022-07-22 | 2022-10-21 | 陕西南洋智汇能源环保科技有限公司 | Organic solid waste co-processing and utilizing system and method |
-
2018
- 2018-06-15 CN CN201820932468.8U patent/CN209039395U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477667A (en) * | 2021-07-05 | 2021-10-08 | 广东天源环境科技有限公司 | Cyanide tailing decyanation method |
| CN113477667B (en) * | 2021-07-05 | 2022-02-15 | 广东天源环境科技有限公司 | Cyanide tailing decyanation method |
| CN114410326A (en) * | 2022-01-25 | 2022-04-29 | 贵州省土壤肥料研究所 | Automatic carbomorphism processing apparatus of lees |
| CN114410326B (en) * | 2022-01-25 | 2022-07-05 | 贵州省土壤肥料研究所 | Automatic carbomorphism processing apparatus of lees |
| CN115213195A (en) * | 2022-07-22 | 2022-10-21 | 陕西南洋智汇能源环保科技有限公司 | Organic solid waste co-processing and utilizing system and method |
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Effective date of registration: 20210922 Granted publication date: 20190628 |