CN210796354U - Hydrogen coke gas cyclic utilization's carbomorphism device - Google Patents
Hydrogen coke gas cyclic utilization's carbomorphism device Download PDFInfo
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- CN210796354U CN210796354U CN201921784435.4U CN201921784435U CN210796354U CN 210796354 U CN210796354 U CN 210796354U CN 201921784435 U CN201921784435 U CN 201921784435U CN 210796354 U CN210796354 U CN 210796354U
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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
Abstract
The utility model provides a hydrogen coke gas cyclic utilization's carbomorphism device, the device includes the pre-charring unit, carbomorphism unit and the recycle unit that connect gradually, the pre-charring unit includes carbonization ware and carbonization zone of heating in advance, the carbomorphism unit includes carbomorphism ware and carbonization zone of heating, the recycle unit includes the combustor; the outlet of the recycling unit is independently connected with the inlets of the pre-carbonization heating layer and the carbonization heating layer. The device of the utility model can fully recover the byproduct hydrogen coke gas through the pre-carbonization and carbonization treatment of the biomass, and the gas is combusted to supply the heat in the pre-carbonization and carbonization stages, thereby realizing the internal heat energy circulation of the device, eliminating the influence of the gas on the carbonization device and ensuring the continuous and high-efficiency operation of the carbonization device; the device has simple structure, less required separation equipment and lower cost.
Description
Technical Field
The utility model belongs to the technical field of the living beings are utilized, a hydrogen burnt gas cyclic utilization's carbomorphism device is related to.
Background
With the gradual depletion of fossil energy, the development and utilization of renewable energy become the key research direction of sustainable development, biomass energy is an important new energy, has the characteristics of large reserve, reproducibility, storage and low emission, and mainly exists in biomass such as agricultural and forestry waste, so that the utilization technology of the biomass is the energy utilization of the biomass, the agricultural and forestry waste can be treated, the resource waste is reduced, soil can be improved, farmlands can be repaired, the crop yield and quality can be improved, and the obtained product has wide application.
Biomass carbonization is a commonly used biomass utilization technology, biomass is pyrolyzed under anoxic and heating conditions, and the obtained product can generate a large amount of volatile components including condensable liquid products such as tar, vinegar and the like, and CO besides biochar2、H2And combustible gaseous products such as hydrocarbons, and gas and liquid byproducts are collectively called as 'hydrogen coke fuel gas'. The tar and vinegar in the carbonized product have high viscosity and are easily attached to the inner walls of pipelines and related equipment, and if the tar and the vinegar cannot be effectively recovered, the pipelines are blocked, the cyclic utilization of gaseous products is influenced, the continuous and efficient operation of the carbonized equipment is seriously influenced, and even safety accidents are caused. Therefore, it is necessary to recycle the hydrogen coke fuel gas.
CN 103254917a discloses a biomass carbonization device, mainly comprising: the device comprises a combustion chamber, a feeding transmission belt, a biomass bin, an air flow dryer, a heat pipe air preheater, a hollow spiral shaft with a heat accumulator, a biomass charcoal transmission belt, a pipeline, a spraying settling chamber, an oil separation water tank and a carbonization chamber, wherein the device adopts multi-cycle heat exchange, carbonization and combustion need to be performed in a segmented mode, the structure of the device is complex, and meanwhile, a liquid product and a gaseous product are difficult to separate at high temperature.
CN 102226092A discloses a continuous biomass low-temperature pyrolysis carbonization method and a carbonization furnace thereof, wherein the carbonization furnace comprises a drying device, a pyrolysis carbonization device, a cooling device and a combustion chamber, the heat exchange efficiency is improved by arranging a labyrinth heat exchange device in an outer sleeve of the pyrolysis carbonization device, but the whole process and the corresponding structure of the device are complex, the cost is high, the heat supply of different sections in the carbonization furnace is not easy to adjust, and in the method, fuel needs to be supplemented, pyrolysis gas and tar are collected in sections without purification treatment measures, and the blockage is easy.
In conclusion, the carbonization treatment of biomass needs to simplify the structure of the device, reduce the cost, does not need additional supplementary fuel, and can rapidly separate the carbonized products as required.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model aims to provide a hydrogen coke gas cyclic utilization's carbomorphism device, the device is through carrying out the carbomorphism pyrolysis with living beings, and the required energy of carbomorphism is supplied with in the burning of gas, the liquid accessory substance that will generate, realizes the inside heat energy circulation of device, and the accessory substance zero release has eliminated the influence to equipment for living beings carbomorphism high efficiency goes on.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a hydrogen coke gas cyclic utilization's carbomorphism device, the device includes carbonization unit, carbomorphism unit and recycle unit in advance, carbonization unit in advance includes carbonization ware and carbonization zone of heating in advance, carbonization zone of heating in advance sets up in the outside of carbonization ware, carbonization unit includes carbomorphism ware and carbonization zone of heating, carbonization zone of heating sets up in the outside of carbomorphism ware, recycle unit includes the combustor;
the outlet of the pre-carbonization device is connected with the inlet of the carbonization device, the outlet of the carbonization device is connected with the inlet of the recycling unit, and the outlet of the recycling unit is independently connected with the inlets of the pre-carbonization heating layer and the carbonization heating layer.
In the utility model, when the carbonization device carries out carbonization and pyrolysis of biomass, the carbonization device carries out pre-carbonization and carbonization treatment in sequence, the obtained solid-phase product biochar is extracted for use, and the byproduct hydrogen coke gas is combusted to supply heat for pre-carbonization and carbonization, thereby realizing the internal heat energy circulation of the device; the by-products are fully utilized, the influence of the by-products on the carbonization device can be eliminated, and the continuous and efficient operation of the carbonization device is ensured. Wherein the hydrogen coke fuel gas is liquid by-products such as tar, vinegar and the like in biomass carbonization products, and CO2、H2And hydrocarbons, etc.
Following conduct the utility model discloses preferred technical scheme, nevertheless do not conduct the utility model provides a technical scheme's restriction, through following technical scheme, can reach and realize better the utility model discloses a technical purpose and beneficial effect.
As the preferred technical scheme of the utility model, be equipped with a thermodetector in the carbonization ware in advance.
As the preferred technical scheme of the utility model, be equipped with second thermodetector in the carbomorphism ware.
In the utility model, the carbonization and pyrolysis of the biomass are usually carried out under anaerobic condition, so the inside of the pre-carbonization device and the carbonization device needs to maintain a vacuum state; in the pre-carbonization stage of the biomass, firstly, water is evaporated, after the biomass is fully dried, the biomass starts thermal decomposition reaction, chemical composition changes, unstable components such as hemicellulose are decomposed to generate substances such as carbon dioxide, carbon monoxide and a small amount of acetic acid, the temperature of the substances is 150-300 ℃, such as 150 ℃, 180 ℃, 200 ℃, 250 ℃ or 300 ℃, the biomass is subjected to rapid thermal decomposition in the carbonization stage, generated liquid products comprise tar, pyroligneous liquor and the like, the content of carbon dioxide in gas products is gradually reduced, combustible gases such as methane, ethylene and the like are gradually increased, and the temperature range is 300-500 ℃, such as 300 ℃, 350 ℃, 400 ℃, 450 ℃ or 500 ℃ and the like; and temperature detectors are arranged in the pre-carbonization device and the carbonization device, and measure the temperature in real time so as to be convenient for timely adjustment.
As the preferable technical proposal of the utility model, the pre-carbonization heating layer is of a hollow structure and is coated outside the pre-carbonization device;
the carbonization heating layer is of a hollow structure and is coated on the outer side of the carbonizer.
The utility model discloses in, carbomorphism zone of heating and carbomorphism zone of heating are equivalent to pressing from both sides the cover in advance, correspond the cladding respectively in advance carbomorphism ware and carbomorphism ware outside, and the centre leaves certain space, lets in after supplying the burning of hydrogen burnt gas, for carbomorphism and carbomorphism provide the heat in advance, in order to guarantee to last the heat supply, in time follow the export and discharge after getting into the abundant burning of hydrogen burnt gas of carbomorphism zone of heating and carbomorphism zone of heating in advance and.
As the utility model discloses preferred technical scheme, in advance carbomorphism ware with the connecting tube of carbomorphism ware and recycle unit and in advance the connecting tube of carbomorphism zone of heating and independently be equipped with control flap on the connecting tube of recycle unit and carbomorphism zone of heating.
As the utility model discloses preferred technical scheme, the recycle unit still includes draught fan and dust remover, draught fan and dust remover set up between the entry and the combustor of recycle unit.
The utility model discloses in, the outlet pipeline at the carbomorphism ware divide into two, and one is solid charcoal outlet pipeline, and another then is hydrogen burnt gas pipeline, and the carbonization treatment back product temperature is high, and gas, liquid accessory substance wholly exist with the atomizing state, and with solid result separation under the draught fan effect, get into circulation pipeline, remove dust earlier, then the heat supply of burning.
As the utility model discloses preferred technical scheme, be equipped with a branch road on the pipeline before the combustor in the recycle unit, be equipped with the air-blower on the branch road.
The utility model discloses in when the device initial operation, hydrogen burnt gas volume is less, sets up the branch road and can supply a small amount of fuel heat supplies, treats that hydrogen burnt gas can realize the circulation and can close.
As the utility model discloses preferred technical scheme, the device is still including smashing the unit, it includes raw materials storage device, crushing sword and rotation axis to smash the unit, it sets up on the rotation axis to smash the sword, the rotation axis is vertical to be set up in raw materials storage device's middle part, raw materials storage device's export links to each other with the entry of carbomorphism ware in advance.
As the preferred technical scheme of the utility model, the quantity of smashing the sword is 3 at least, for example 3, 4, 5, 6, 7, 8, 9 or 10 etc. smash sword parallel arrangement, the distance of two adjacent crushing sword of top-down reduces gradually.
The utility model discloses in, broken unit primary action is for utilizing the rotation of smashing the sword to cut the biomass raw materials broken, and the rotation axis sets up with smashing the sword perpendicularly, and the rotation axis drives and smashes the sword rotation, and the distance of the adjacent two crushing swoves of top-down reduces gradually, and is broken gradually at the in-process that falls down with the raw materials, and the process that the particle diameter reduces gradually suits.
As the utility model discloses preferred technical scheme, crushing unit still includes the motor, the motor sets up in raw materials storage device's the outside, links to each other with the rotation axis.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the device of the utility model fully recovers the byproduct hydrogen coke gas through the pre-carbonization and carbonization treatment of the biomass, the recovery rate of the hydrogen coke gas can reach more than 85 percent, and the hydrogen coke gas is combusted to supply heat in the pre-carbonization and carbonization stages, thereby realizing the internal heat energy circulation of the device;
(2) the utility model completely recycles the liquid product, is clean and environment-friendly, simultaneously eliminates the influence of the liquid product on the carbonization device, and ensures the continuous and high-efficiency operation of the carbonization device;
(3) device simple structure, required splitter is less, and the cost is lower.
Drawings
Fig. 1 is a schematic structural view of a carbonization device for hydrogen-coke gas recycling provided in embodiment 1 of the present invention;
the device comprises a raw material storage device, a crushing cutter, a rotating shaft, a motor, a pre-carbonizing device, a pre-carbonizing heating layer, a first temperature detector, a carbonizing device, a carbonizing heating layer, a second temperature detector, a dust remover, a draught fan, a combustor and an air blower, wherein the raw material storage device comprises 1 part, 2 parts, a crushing cutter, 3 parts, the rotating shaft comprises 4 parts, the motor comprises 5 parts, the pre-carbonizing device comprises 6 parts, a first temperature detector, 8 parts, a carbonizing device comprises 9 parts, a second.
Detailed Description
To better explain the technical solution of the present invention, it is convenient to understand the technical solution of the present invention, and the following is further detailed description of the present invention, but the following embodiments are only simple examples of the present invention, and do not represent or limit the protection scope of the present invention, and the protection scope of the present invention is subject to the claims.
The utility model provides a carbonization device for hydrogen coke gas recycling, which comprises a pre-carbonization unit, a carbonization unit and a recycling unit, wherein the pre-carbonization unit comprises a pre-carbonization device 5 and a pre-carbonization heating layer 6, the pre-carbonization heating layer 6 is arranged outside the pre-carbonization device 5, the carbonization unit comprises a carbonization device 8 and a carbonization heating layer 9, the carbonization heating layer 9 is arranged outside the carbonization device 8, and the recycling unit comprises a burner 13;
the outlet of the pre-charring device 5 is connected with the inlet of the charring device 8, the outlet of the charring device 8 is connected with the inlet of the recycling unit, and the outlet of the recycling unit is independently connected with the inlets of the pre-charring heating layer 6 and the charring heating layer 9.
The following are typical but non-limiting examples of the present invention:
example 1:
the embodiment provides a hydrogen-coke fuel gas recycling carbonization device, the structural schematic diagram of the device is shown in fig. 1, and the device comprises a pre-carbonization unit, a carbonization unit and a recycling unit, wherein the pre-carbonization unit comprises a pre-carbonization device 5 and a pre-carbonization heating layer 6, the pre-carbonization heating layer 6 is arranged on the outer side of the pre-carbonization device 5, the carbonization unit comprises a carbonization device 8 and a carbonization heating layer 9, the carbonization heating layer 9 is arranged on the outer side of the carbonization device 8, and the recycling unit comprises a burner 13;
the outlet of the pre-carbonization device 5 is connected with the inlet of the carbonization device 8, one outlet of the carbonization device 8 is connected with the inlet of the recycling unit, the other outlet of the carbonization device 8 is used for collecting solid products, and the outlet of the recycling unit is independently connected with the inlets of the pre-carbonization heating layer 6 and the carbonization heating layer 9.
A first temperature detector 7 is arranged in the pre-carbonizer 5, and a second temperature detector 10 is arranged in the carbonizer 8.
The pre-carbonization heating layer 6 is of a hollow structure and is coated on the outer side of the pre-carbonization device 5; the carbonization heating layer 9 is of a hollow structure and is coated on the outer side of the carbonization device 8.
The device is characterized in that a control valve is independently arranged on a connecting pipeline of the pre-carbonization device 5 and the carbonization device 8, a connecting pipeline of the carbonization device 8 and the recycling unit, a connecting pipeline of the recycling unit and the pre-carbonization heating layer 6 and a connecting pipeline of the recycling unit and the carbonization heating layer 9.
The recycling unit further comprises an induced draft fan 12 and a dust remover 11, wherein the induced draft fan 12 and the dust remover 11 are arranged between an inlet of the recycling unit and the combustor 13.
A branch is arranged on a pipeline in front of the combustor 13 in the recycling unit, and an air blower 14 is arranged on the branch.
The device still includes crushing unit, crushing unit includes raw materials storage device 1, crushing sword 2 and rotation axis 3, crushing sword 2 sets up perpendicularly on rotation axis 3, rotation axis 3 is vertical to be set up in raw materials storage device 1's middle part, raw materials storage device 1's export links to each other with the entry of carbonization ware 5 in advance.
The number of the crushing knives 2 is 8, the crushing knives are arranged in parallel, and the distance between every two adjacent crushing knives 2 from top to bottom is gradually reduced.
The crushing unit further comprises a motor 4, and the motor 4 is arranged outside the raw material storage device 1 and connected with the rotating shaft 3.
Adopt above-mentioned device to carry out the carbomorphism of living beings to crop straw is biomass, and its processing procedure is: the biomass raw material is added through a feed inlet of a raw material storage device 1, is crushed by a crushing knife 2 which is more and more dense from top to bottom, enters a pre-carbonization device 5 through a discharge port for pre-carbonization treatment, the temperature of the pre-carbonization is 270 ℃, the pre-carbonization finished product enters a carbonization device 8, the carbonization temperature is 500 ℃, the pre-carbonization finished solid product biochar leaves from an outlet, the gas and liquid byproduct hydrogen-coke fuel gas is dedusted by a deduster 11 under the action of an induced draft fan 12, enters a combustor 13 for combustion to generate heat energy, enters a pre-carbonization heating layer 6 and a carbonization heating layer 9 for pre-carbonization and carbonization heat supply, and the internal heat energy circulation of the device is realized. When the device is initially operated, fuel is supplied by the blower 14 to supply heat for combustion.
Example 2:
the embodiment provides a hydrogen-coke fuel gas recycling carbonization device, which comprises a pre-carbonization unit, a carbonization unit and a recycling unit, wherein the pre-carbonization unit comprises a pre-carbonization device 5 and a pre-carbonization heating layer 6, the pre-carbonization heating layer 6 is arranged on the outer side of the pre-carbonization device 5, the carbonization unit comprises a carbonization device 8 and a carbonization heating layer 9, the carbonization heating layer 9 is arranged on the outer side of the carbonization device 8, and the recycling unit comprises a burner 13;
the outlet of the pre-carbonization device 5 is connected with the inlet of the carbonization device 8, one outlet of the carbonization device 8 is connected with the inlet of the recycling unit, the other outlet of the carbonization device 8 is used for collecting solid products, and the outlet of the recycling unit is independently connected with the inlets of the pre-carbonization heating layer 6 and the carbonization heating layer 9.
A first temperature detector 7 is arranged in the pre-carbonizer 5, and a second temperature detector 10 is arranged in the carbonizer 8.
The pre-carbonization heating layer 6 is of a hollow structure and is coated on the outer side of the pre-carbonization device 5; the carbonization heating layer 9 is of a hollow structure and is coated on the outer side of the carbonization device 8.
The device is characterized in that a control valve is independently arranged on a connecting pipeline of the pre-carbonization device 5 and the carbonization device 8, a connecting pipeline of the carbonization device 8 and the recycling unit, a connecting pipeline of the recycling unit and the pre-carbonization heating layer 6 and a connecting pipeline of the recycling unit and the carbonization heating layer 9.
The recycling unit also comprises an induced draft fan 12, and the induced draft fan 12 is arranged between the inlet of the recycling unit and the combustor 13; a branch is arranged on the pipeline in front of the burner 13, and a blower 14 is arranged on the branch.
The device still includes crushing unit, crushing unit includes raw materials storage device 1, crushing sword 2 and rotation axis 3, crushing sword 2 sets up perpendicularly on rotation axis 3, rotation axis 3 is vertical to be set up in raw materials storage device 1's middle part, raw materials storage device 1's export links to each other with the entry of carbonization ware 5 in advance.
The crushing knives 2 are 5 in number and arranged in parallel, and the distance between every two adjacent crushing knives 2 from top to bottom is gradually reduced.
The crushing unit further comprises a motor 4, and the motor 4 is arranged outside the raw material storage device 1 and connected with the rotating shaft 3.
Adopt above-mentioned device to carry out the carbomorphism of living beings to forestry discarded object is biomass, and its processing procedure is: the biomass raw material is added through a feed inlet of a raw material storage device 1, is crushed by a crushing knife 2 which is more and more dense from top to bottom, enters a pre-carbonization device 5 through a discharge port for pre-carbonization treatment, the temperature of the pre-carbonization is 180 ℃, the pre-carbonization finished product enters a carbonization device 8, the carbonization temperature is 350 ℃, the pre-carbonization finished solid product biochar leaves from an outlet, the gas and liquid byproduct hydrogen-coke fuel gas enters a combustor 13 to be combusted under the action of an induced draft fan 12 to generate heat energy, and enters a pre-carbonization heating layer 6 and a carbonization heating layer 9 to supply heat for pre-carbonization and carbonization, so that the heat energy circulation in the device is realized. When the device is initially operated, fuel is supplied by the blower 14 to supply heat for combustion.
Comparative example 1:
this comparative example provides a carbonization device whose structure is referred to that of example 1, except that: the device does not comprise a recycling unit, and the outlet of the carbonizer 8 is sequentially connected with a gas-solid separator and a gas-liquid separator.
In the comparative example, the biomass carbonization pyrolysis products are separated in sequence, hydrogen coke gas is not recycled, the gas and liquid products are difficult to separate, and the liquid product has high viscosity and is easy to adhere to pipelines and equipment to influence the continuous operation of a carbonization device; the pre-carbonization and carbonization stages need external heat supply, and the required energy consumption is higher.
It can be seen from the above embodiments and comparative examples that the device of the present invention fully recovers the byproduct hydrogen-coke gas through the pre-carbonization and carbonization treatment of the biomass, the recovery rate of the hydrogen-coke gas can reach above 85%, the heat in the pre-carbonization and carbonization stages is supplied by combustion, and the internal heat circulation of the device is realized; the liquid product is completely recycled, so that the device is clean and environment-friendly, the influence of the liquid product on the carbonization device is eliminated, and the continuous and efficient operation of the carbonization device is ensured; the device has simple structure, less required separation equipment and lower cost.
The applicant states that the present invention is described in the above embodiments, but the present invention is not limited to the above detailed device, i.e. the present invention is not meant to be implemented by relying on the above device. It should be clear to those skilled in the art that any improvement of the present invention, to the addition of the equivalent replacement and auxiliary structure of the device of the present invention, the selection of the specific mode, etc., all fall within the scope of protection and disclosure of the present invention.
Claims (10)
1. The carbonization device for recycling the hydrogen-coke fuel gas is characterized by comprising a pre-carbonization unit, a carbonization unit and a recycling unit, wherein the pre-carbonization unit comprises a pre-carbonization device and a pre-carbonization heating layer;
the outlet of the pre-carbonization device is connected with the inlet of the carbonization device, the outlet of the carbonization device is connected with the inlet of the recycling unit, and the outlet of the recycling unit is independently connected with the inlets of the pre-carbonization heating layer and the carbonization heating layer.
2. The carbonizing apparatus according to claim 1, wherein a first temperature detector is provided in the pre-carbonizing device.
3. The carbonizing apparatus according to claim 1, wherein a second temperature detector is provided in the carbonizing device.
4. The carbonization device for recycling the hydrogen-coke fuel gas according to claim 1, wherein the pre-carbonization heating layer is of a hollow structure and is coated outside the pre-carbonization device;
the carbonization heating layer is of a hollow structure and is coated on the outer side of the carbonizer.
5. The carbonization device for hydrogen-coke fuel gas recycling according to claim 1, wherein control valves are independently provided on the connecting pipeline between the pre-carbonization device and the carbonization device, the connecting pipeline between the carbonization device and the recycling unit, the connecting pipeline between the recycling unit and the pre-carbonization heating layer, and the connecting pipeline between the recycling unit and the carbonization heating layer.
6. The carbonization device for recycling the hydrogen and coke fuel gas as claimed in claim 1, wherein the recycling unit further comprises an induced draft fan and a dust remover, and the induced draft fan and the dust remover are arranged between the inlet of the recycling unit and the burner.
7. A carbonizing apparatus according to claim 6, wherein a branch is provided on a pipe in front of the burner in the recycling unit, and an air blower is provided on the branch.
8. The carbonization device for recycling the hydrogen and coke fuel gas as claimed in claim 1, wherein the device further comprises a pulverization unit, the pulverization unit comprises a raw material storage device, a pulverization knife and a rotation shaft, the pulverization knife is arranged on the rotation shaft, the rotation shaft is vertically arranged in the middle of the raw material storage device, and an outlet of the raw material storage device is connected with an inlet of the pre-carbonization device.
9. The hydrogen-coke fuel gas recycling carbonization device according to claim 8, wherein the number of the crushing knives is at least 3, the crushing knives are arranged in parallel, and the distance between two adjacent crushing knives from top to bottom is gradually reduced.
10. The hydrogen-coke-gas-recycling carbonization device according to claim 8, wherein the pulverization unit further comprises a motor that is disposed outside the raw material storage device and is connected to the rotary shaft.
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| CN201921784435.4U CN210796354U (en) | 2019-10-22 | 2019-10-22 | Hydrogen coke gas cyclic utilization's carbomorphism device |
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| CN201921784435.4U CN210796354U (en) | 2019-10-22 | 2019-10-22 | Hydrogen coke gas cyclic utilization's carbomorphism device |
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| CN210796354U true CN210796354U (en) | 2020-06-19 |
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Denomination of utility model: A carbonization device for recycling hydrogen coke gas Effective date of registration: 20210304 Granted publication date: 20200619 Pledgee: Industrial Bank Co.,Ltd. Shanghai Minhang sub branch Pledgor: SEEK BIO-TECHNOLOGY (SHANGHAI) Co.,Ltd. Registration number: Y2021980001449 |
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Date of cancellation: 20230524 Granted publication date: 20200619 Pledgee: Industrial Bank Co.,Ltd. Shanghai Minhang sub branch Pledgor: SEEK BIO-TECHNOLOGY (SHANGHAI) Co.,Ltd. Registration number: Y2021980001449 |