CN209584124U - Domestic garbage pyrolysis charcoal gasification process system - Google Patents

Domestic garbage pyrolysis charcoal gasification process system Download PDF

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Publication number
CN209584124U
CN209584124U CN201821808027.3U CN201821808027U CN209584124U CN 209584124 U CN209584124 U CN 209584124U CN 201821808027 U CN201821808027 U CN 201821808027U CN 209584124 U CN209584124 U CN 209584124U
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pyrolysis
gasification
process system
domestic garbage
plant
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陈智勇
沈超
陶兵杰
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Hainan heding Technology Co.,Ltd.
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Hubei Yashou Biomass New Energy Technology Co Ltd
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Abstract

The utility model discloses a kind of domestic garbage pyrolysis charcoal gasification process system, the domestic garbage pyrolysis charcoal gasification process system includes: pre-processing device;Pyrolysis plant, the pyrolysis plant are connected with the pre-processing device;Pyrolysis oil qi exhaustion chlorine equipment, the pyrolysis oil qi exhaustion chlorine equipment are connected with the pyrolysis plant;Direct combustion power generation device, the direct combustion power generation device are connected with the pyrolysis oil qi exhaustion chlorine equipment;Palletizing device, the palletizing device are connected with the pyrolysis plant;Gasification installation, the gasification installation are connected with the palletizing device;Gasification gas transfer pipeline, the gasification gas transfer pipeline are connected with the gasification installation and the pyrolysis plant respectively.Have many advantages, such as the horizontal height of good economical benefit, recycling according to the domestic garbage pyrolysis charcoal gasification process system of the utility model embodiment, be easily industrialized application.

Description

Domestic garbage pyrolysis charcoal gasification process system
Technical field
The utility model relates to solid waste resource recovery process fields, in particular to a kind of domestic garbage pyrolysis Charcoal gasification process system.
Background technique
With economic rapid development, the continuous growth of population and the increasingly raising of living standards of the people, house refuse Yield also sharply increase, about 200,000,000 tons of domestic waste year yield at present, and annual also with 10% or so speed Increase, cause huge burden to environment, 2/3 faces garbage-surrounded city predicament in big city at present.
Garbage disposal commonly fills, composting mode has fallen into the predicament for occupying a large amount of lands used, composting production sales resistance, and The mode of incineration treatment of garbage can not get rid of the problem of dioxin contamination always, and generate a large amount of flying dust, the processing of flying dust It can not show a candle to people's will, become link the weakest in consumer waste incineration overall process contamination control and risk management.House refuse For pyrolytic technique with its resource utilization rate height, environmental pollution is small, and the easy advantage of reaction condition is increasingly favored by people.
But in the related technology to the pyrolysis processing mode of house refuse, generally existing deficiency in economic performance, recycling level are not Height is difficult to realize industrial applications, and there are improved needs.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model One purpose is to propose a kind of domestic garbage pyrolysis charcoal gasification process system, domestic garbage pyrolysis charcoal gasification process system tool There is the horizontal height of good economical benefit, recycling, be easily industrialized application.
Embodiment according to the present utility model proposes a kind of domestic garbage pyrolysis charcoal gasification process system, house refuse heat Solving charcoal gasification process system includes: pre-processing device;Pyrolysis plant, the pyrolysis plant are connected with the pre-processing device;Heat Oil gas dechlorination equipment is solved, the pyrolysis oil qi exhaustion chlorine equipment is connected with the pyrolysis plant;Direct combustion power generation device, the direct combustion hair Electric installation is connected with the pyrolysis oil qi exhaustion chlorine equipment;Palletizing device, the palletizing device are connected with the pyrolysis plant;Gasification Device, the gasification installation are connected with the palletizing device;Gasification gas transfer pipeline, the gasification gas transfer pipeline difference It is connected with the gasification installation and the pyrolysis plant.
There is good economical benefit, recycling according to the domestic garbage pyrolysis charcoal gasification process system of the utility model embodiment Horizontal height is easily industrialized the advantages that application.
Some specific embodiments according to the present utility model, the pre-processing device include the concentration equipment that is sequentially connected and Grinding device, the grinding device are connected with the pyrolysis plant.
Some specific embodiments according to the present utility model, the pyrolysis plant are no heat carrier heat accumulating type rotating bed.
Further, the pyrolysis plant includes: pyrolysis oven, and the furnace bottom of the pyrolysis oven is rotatable annular;Radiation Pipe burner, the radiant tube burner are arranged in the annular furnace wall of the pyrolysis oven, and reaction institute is provided in a manner of heat radiation Calorific requirement;Material-feeding mechanism and discharging mechanism, the material-feeding mechanism and the discharging mechanism are set to the pyrolysis oven.
Further, the pyrolysis plant further include: tar spray equipment, the tar spray equipment are set to the pyrolysis In furnace and between the furnace bottom and the radiant tube burner.
Further, the flue gas in the radiant tube burner and the atmosphere in the pyrolysis oven completely cut off.
Further, dry section and pyrolysis zone are divided into the pyrolysis oven, the dry section has to be set with the pretreatment Standby connected feed inlet, the pyrolysis zone has exhanst gas outlet, the oil gas vent that is connected with the pyrolysis oil qi exhaustion chlorine equipment and It the palletizing device connected discharge port, the combustible gas entrance that is connected with the gasification gas transfer pipeline.
Some specific embodiments according to the present utility model pass through double spiral shells between the pyrolysis plant and the palletizing device Discharging machine is revolved to be connected.
Some specific embodiments according to the present utility model, the gasification installation are recirculating fluidized bed.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram according to the domestic garbage pyrolysis charcoal gasification process system of the utility model embodiment.
Appended drawing reference:
Pre-processing device 10,
Pyrolysis plant 20,
Pyrolysis oil qi exhaustion chlorine equipment 30,
Direct combustion power generation device 40,
Palletizing device 50,
Gasification installation 60,
Gasification gas transfer pipeline 70.
Specific embodiment
First citing description in the related technology the pyrolysis processing technology of house refuse and the problems of.
A kind of urban refuse thermal decomposition processing method of the patent disclosure of Patent No. 200810122703.6.This method is first By municipal refuse by sorting, the high substance of Plastic chlorine-containing component is eliminated, and derivatived fuel is made.It then can using high temperature Combustion gas body is dried rubbish, is pyrolyzed, the biological fuel gas that high-temperature fuel gas is generated from agriculture and forestry organic waste material pyrolytic gasification.Dress There is the gas in the container of municipal refuse to be discharged from gas outlet, and the completely burned in gas combustion furnace.Gas burning furnace exhaust gas Through over-quenching, it is cooled to 200 DEG C or less discharges.
The processing mode has the following problems:
In order to reduce the predecessor (such as polyvinyl chloride, polychlorostyrene resin) for generating dioxin, using sorting process, although Chlorine-bearing compound is reduced, but equally reduces the content of H in material, H in the pyrolysis gas of acquisition2Less, pyrolysis gas calorific value is lower, Recycling level is not high.Belong to the environment of anaerobic or anoxic in itself due to being pyrolyzed, generated substantially without dioxin under reducing condition, Therefore sorting process bring effect is not obvious.
Drying garbage, pyrolysis the combustible gas that is generated from another agriculture and forestry organic waste material pyrolysis gasifying device of heat source, due to Energy loss, pyrolysis temperature is lower, therefore can generate part pyrolysis oil, and the utilization of pyrolysis oil and processing are more difficult, will affect The continuous operation of entire technique, and two pyrolysis installation collaborative process its economic benefits are poor, and dry bring exhaust gas volumn is big, Processing cost is high.
Refuse pyrolysis product obtained is derivatived fuel, i.e. pyrolysis gas, pyrolytic carbon and pyrolysis oil, and calorific value is lower, Complicated component is not easy to utilize, it is difficult to industrialization promotion.
A kind of refuse pyrolysis gas purification process of power generation by gas of the patent disclosure of Patent No. 201210282640.7, Route is that house refuse passes through broken, drying, granulated garbage is made in extrusion granulation;Granulated garbage is 600 DEG C or so in pyrolysis oven Anoxic thermal decomposition generates raw gas;High temperature rough gas recycles thermal energy into heat exchanger, and progress flue gas is net after raw gas is cooled to low temperature Change, then dedusting, abjection tar;Then the substances such as sour gas, dioxin are removed;Last clean coal gas pushing away in air-introduced machine Dynamic lower progress direct combustion power generation.
The processing mode has the following problems:
Preprocessing process is complicated, due to, containing there are many metal, cloth bag, being easy to have an impact crushing device in rubbish, because This device continuous operation effect is bad, and the material after extrusion granulation is since density is big, mass-and heat-transfer is slow, pyrolysis oil in pyrolytic process Yield can improve, pyrolysis gas yield can decline, be unfavorable for subsequent power generation utilization.
The temperature of pyrolysis oven is 600 DEG C ± 50 DEG C, belongs to middle low temperature pyrogenation, conducive to the output of pyrolysis oil, gas yield compared with It is low, the processing cost of impurity (sour gas, tar etc.) is increased, economic benefit is unobvious.
To sum up, in the related technology the generally existing deficiency in economic performance of domestic garbage pyrolysis processing technique, recycling level are not The problems such as industrial applications high, difficult to realize.
Below with reference to the accompanying drawings it describes according to the domestic garbage pyrolysis charcoal gasification process system of the utility model embodiment and life Refuse pyrolysis charcoal gasification process method living.
As shown in Figure 1, including pretreatment according to the domestic garbage pyrolysis charcoal gasification process system of the utility model embodiment Equipment 10, pyrolysis plant 20, pyrolysis oil qi exhaustion chlorine equipment 30, direct combustion power generation device 40, palletizing device 50, gasification installation 60 are gentle Change gas conveying tube road 70.
Pyrolysis plant 20 is connected with pre-processing device 10.Pyrolysis oil qi exhaustion chlorine equipment 30 is connected with pyrolysis plant 20.Direct combustion Power generator 40 is connected with pyrolysis oil qi exhaustion chlorine equipment 30.Palletizing device 50 is connected with pyrolysis plant 20.Gasification installation 60 with make Ball device 50 is connected.Gasification gas transfer pipeline 70 is connected with gasification installation 60 and pyrolysis plant 20 respectively.
According to the domestic garbage pyrolysis charcoal gasification process method of the utility model embodiment, comprising the following steps:
House refuse is delivered to pre-processing device 10, is pre-processed;
Pretreated house refuse is delivered to pyrolysis plant 20, is pyrolyzed, pyrolysis oil gas and pyrolytic carbon are generated;
The pyrolysis oil gas is delivered to pyrolysis oil qi exhaustion chlorine equipment 30, carries out dechlorination processing;
Pyrolysis oil gas after dechlorination is delivered to direct combustion power generation device 40, utilizes the pyrolysis oil gas direct combustion power generation after dechlorination;
The pyrolytic carbon is delivered to palletizing device 50, carries out pelletizing;
Pyrolytic carbon after pelletizing is delivered to gasification installation 60, is gasified;
Pyrolytic carbon after gasification is delivered to pyrolysis plant 20, as pyrolysing fuel after making the pyrolytic carbon gasify.
According to the domestic garbage pyrolysis charcoal gasification process system and method for the utility model embodiment, whole system technique master Innoxious, minimizing, recycling treatment are carried out for house refuse and the pyrolytic carbon of generation, using pellet forming process to rubbish The one step processing of carry out of pyrolytic carbon so that partial size becomes larger, and mends coal and is sent into gasification installation 60 together and gasify, obtains gasification of coal Gas.Gasified together by domestic garbage pyrolysis combination pyrolytic carbon, benefit coal, realizes harmless treatment, and whole process is without secondary The discharge amount of dust is greatly reduced in pollution problem, realizes real " innoxious, minimizing, recycling ", furthermore runs into This is lower, and pyrolysis product is rationally utilized, and pilot process does not generate dioxin, flying dust, dust, innoxious, minimizing is horizontal Height is conducive to industrialization promotion and application.
In some specific embodiments of the utility model, pre-processing device 10 includes the concentration equipment and powder being sequentially connected Crushing device, the grinding device are connected with pyrolysis plant 20.
Specifically, the house refuse of moisture content 40%-60% is sent into pretreatment system, by artificial separation, magnetic separation and Link is crushed, the inorganic matters such as metal therein, glass, brick are removed, enters material hole after crushed and carries out heap filter, house refuse contains Water rate is down to 40% hereinafter, entering pyrolysis plant 20 by helix transporting device.
House refuse enters pyrolysis plant 20 by simple pretreatment and is pyrolyzed, and greatly shortens pyrolytic process process, The problem of avoiding poor pretreating effect, processing equipment high failure rate, and investment is saved, continuous operation effect is good.
In some specific examples of the utility model, pyrolysis plant 20 is no heat carrier heat accumulating type rotating bed.
Specifically, pyrolysis plant 20 includes pyrolysis oven, radiant tube burner, material-feeding mechanism and discharging mechanism.
The furnace bottom of the pyrolysis oven is rotatable annular.The radiant tube burner is arranged in the annular of the pyrolysis oven Furnace wall provides reaction institute's calorific requirement in a manner of heat radiation.The material-feeding mechanism and the discharging mechanism are set to the pyrolysis oven.
Wherein, the flue gas in the radiant tube burner and the atmosphere in the pyrolysis oven completely cut off, and rubbish is in complete anoxybiotic Under the conditions of be pyrolyzed, dioxin contamination will not be generated.
Further, pyrolysis plant 20 further includes tar spray equipment, and the tar spray equipment is set to the pyrolysis oven It is interior and between the furnace bottom and the radiant tube burner.
In some specific examples of the utility model, it is divided into according to temperature edge along the furnace bottom direction of rotation of pyrolysis oven Dry section and pyrolysis zone.The dry section has the feed inlet being connected with pre-processing device 10, and the pyrolysis zone goes out with flue gas Mouth, the oil gas vent being connected with pyrolysis oil qi exhaustion chlorine equipment 30, the discharge port being connected with palletizing device 50 and gasification gas convey The connected combustible gas entrance of pipeline 70.Wherein, the pyrolysis zone furnace roof position of pyrolysis oven, the pyrolysis is arranged in the oil gas vent The discharge port of furnace uses double helix discharging machine.The rubbish of preprocessed mistake is completed to preheat and is pyrolyzed in pyrolysis oven, entire preheating, The complete anoxybiotic of pyrolytic process, no dioxin generate;
Optionally, the temperature of dry section processing is 250 DEG C -400 DEG C, the temperature of the pyrolysis zone processing is 500 DEG C - 950℃。
It is pyrolyzed specifically, drying is uniformly distributed into pyrolysis oven by material-feeding mechanism to 40% house refuse below, The gases such as CO, CH4 that radiant tube burner is obtained by burning pressure-variable adsorption, are provided needed for refuse pyrolysis in a manner of heat radiation Heat.Oil gas vent is set in pyrolysis zone end furnace body upper end, refuse pyrolysis gas-liquid mixture is discharged.End furnace body bottom Discharge port is arranged in portion, and refuse pyrolysis charcoal is discharged, pyrolytic carbon has certain combustion heat, belongs to the energy product of low heat value, It is subsequent to gasify, it obtains gasification gas and is continued to use as the fuel of pyrolysis oven.
For the high-temperature oil gas that refuse pyrolysis generates, it is fed directly to pyrolysis oil qi exhaustion chlorine equipment 30 and carries out high temperature dechlorination, And then it is sent into direct combustion power generation device 40, it is defeated outside the progress of institute's electricity to sell.
In some specific embodiments of the utility model, gone out between pyrolysis plant 20 and palletizing device 50 by double helix Material machine is connected.
Wherein, in balling process, the pyrolytic carbon partial size come out from pyrolysis plant 20 is too small, after pellet forming process, Partial size is increased to 10mm-20mm, then is sent into gasification installation 60 together with coal is mended.
Optionally, gasification installation 60 is recirculating fluidized bed.
Pyrolytic carbon becomes the larger particle of partial size after pellet forming process, and mends coal and be sent into the progress of gasification installation 60 together Gasification, 850-950 DEG C of gasification temperature, and all dust Controls in gasification installation 60, so that melting becomes clinker, it is then outer Fortune landfill, obtained gasification gas are passed through pyrolysis oven by gasification gas transfer pipeline 70, use for the heating of pyrolysis plant 20, very Just realizing the minimizing of rubbish, innoxious and recycling treatment.
Citing description below is according to the domestic garbage pyrolysis charcoal gasification process system and method for the utility model embodiment Detailed process.
Use certain city's house refuse for raw material, msw water content about 52%, at being grouped as such as table 1:
1 house refuse of table is at being grouped as (wt%)
Pretreatment: house refuse is sent to pre-processing device 10 through transportation system, sorts out bulk inorganic matter therein, such as brick Head, stone, big part glass metal product etc.;
Pyrolysis: pyrolysis plant 20 includes solution furnace, the auxiliary bodies such as radiant tube burner, cloth and discharging.The furnace of pyrolysis oven Bottom is rotatable ring-shaped furnace bottom, and radiant tube burner is arranged in annular furnace wall, through burn combustible gas in a manner of heat radiation Refuse pyrolysis institute calorific requirement is provided, the atmosphere isolation in the flue gas and pyrolysis oven in radiant tube burner.Pyrolysis oven is divided into two A region is dry section and pyrolysis zone respectively, and 340-360 DEG C of dry section temperature, main function is to carry out the moisture in rubbish Drying, 730-750 DEG C of pyrolysis zone temperature are that rubbish completes pyrolysis main reaction region, and reaction generates pyrolysis oil gas and pyrolytic carbon, in heat It solves furnace roof portion and oil gas vent is set close to pyrolysis zone, for collecting the high temperature pyrolysis of oil and gas containing water vapour;
Pelletizing: the pyrolytic carbon of generation is discharged using sealing double helix discharging machine and is sent into palletizing device 50, and double helix is side by side Setting, spiral is engaged, and since rubbish have passed through pyrolytic reaction, plastics therein, fabric, the organic matters such as wood bamboo, which are pyrolyzed, is Carbide, which is different from crude waste, loose easily broken, by the stirring of double helix, squeezing action, is pyrolyzed carbon granule Diameter becomes smaller, and by pelletizing, partial size is increased to 12mm-15mm;
Gasification: the pyrolytic carbon particle after pelletizing enters gasification installation 60, generates gasification gas through gasification, sets for pyrolysis Standby 20 use, and the slagging in gasification installation 60 of all dust is discharged;
Dechlorination power generation: high temperature pyrolysis of oil and gas are passed through direct combustion power generation device 40 after passing through pyrolysis oil qi exhaustion chlorine equipment 30, are sent out Electric power is outer defeated to sell in addition to personal.
According to the domestic garbage pyrolysis charcoal gasification process system and method for the utility model embodiment, in conjunction with refuse pyrolysis work The technologies such as skill, pelletizing technology, direct combustion power generation have thoroughly carried out minimizing, harmless treatment to house refuse, and do not expend outer The energy on boundary, solves the problems such as pyrolytic carbon is difficult to gasification process, and possessing high-temperature oil gas, to have carried out environmental benefit after dechlorination good etc. Advantage has good economic benefit.
According to the domestic garbage pyrolysis charcoal gasification process system and method for the utility model embodiment other constitute and Operating all is known for those of ordinary skills, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (9)

1. a kind of domestic garbage pyrolysis charcoal gasification process system characterized by comprising
Pre-processing device;
Pyrolysis plant, the pyrolysis plant are connected with the pre-processing device;
Pyrolysis oil qi exhaustion chlorine equipment, the pyrolysis oil qi exhaustion chlorine equipment are connected with the pyrolysis plant;
Direct combustion power generation device, the direct combustion power generation device are connected with the pyrolysis oil qi exhaustion chlorine equipment;
Palletizing device, the palletizing device are connected with the pyrolysis plant;
Gasification installation, the gasification installation are connected with the palletizing device;
Gasification gas transfer pipeline, the gasification gas transfer pipeline respectively with the gasification installation and the pyrolysis plant phase Even.
2. domestic garbage pyrolysis charcoal gasification process system according to claim 1, which is characterized in that the pre-processing device Including the concentration equipment and grinding device being sequentially connected, the grinding device is connected with the pyrolysis plant.
3. domestic garbage pyrolysis charcoal gasification process system according to claim 1, which is characterized in that the pyrolysis plant is Without heat carrier heat accumulating type rotating bed.
4. domestic garbage pyrolysis charcoal gasification process system according to claim 3, which is characterized in that the pyrolysis plant packet It includes:
Pyrolysis oven, the furnace bottom of the pyrolysis oven are rotatable annular;
Radiant tube burner, the radiant tube burner are arranged in the annular furnace wall of the pyrolysis oven, are mentioned in a manner of heat radiation For reacting institute's calorific requirement;
Material-feeding mechanism and discharging mechanism, the material-feeding mechanism and the discharging mechanism are set to the pyrolysis oven.
5. domestic garbage pyrolysis charcoal gasification process system according to claim 4, which is characterized in that the pyrolysis plant is also Include:
Tar spray equipment, the tar spray equipment is set in the pyrolysis oven and is located at the furnace bottom and the radiant tube fires Between burner.
6. domestic garbage pyrolysis charcoal gasification process system according to claim 4, which is characterized in that the radiant tube burning The atmosphere in flue gas and the pyrolysis oven in device completely cuts off.
7. domestic garbage pyrolysis charcoal gasification process system according to claim 4, which is characterized in that divide in the pyrolysis oven For dry section and pyrolysis zone, the dry section has the feed inlet being connected with the pre-processing device, and the pyrolysis zone has cigarette Gas outlet, be connected with the pyrolysis oil qi exhaustion chlorine equipment oil gas vent, be connected with the palletizing device discharge port, with it is described The connected combustible gas entrance of gasification gas transfer pipeline.
8. domestic garbage pyrolysis charcoal gasification process system according to claim 1, which is characterized in that the pyrolysis plant with It is connected between the palletizing device by double helix discharging machine.
9. domestic garbage pyrolysis charcoal gasification process system according to claim 1, which is characterized in that the gasification installation is Recirculating fluidized bed.
CN201821808027.3U 2018-11-02 2018-11-02 Domestic garbage pyrolysis charcoal gasification process system Active CN209584124U (en)

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Application Number Priority Date Filing Date Title
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Effective date of registration: 20200622

Address after: Office 1317, 10 / F, new materials venture building, No.7 Fenghui Middle Road, Haidian District, Beijing 100094

Patentee after: Beijing Hongji Equipment Technology Co., Ltd

Address before: 434400 South of Chutian Avenue, Dongsheng Industrial Park, Shishou Economic Development Zone, Jingzhou City, Hubei Province

Patentee before: HUBEI YASHOU BIOMASS NEW ENERGY TECHNOLOGY Co.,Ltd.

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Effective date of registration: 20210108

Address after: 255000 room 906, block a, advanced ceramic industry innovation park, 125 Liuquan Road, high tech Zone, Zibo City, Shandong Province

Patentee after: Shandong LanChi Biotechnology Co.,Ltd.

Address before: 100094 no.1317, North Office, 10 / F, new materials venture building, No.7 Fenghui Middle Road, Haidian District, Beijing

Patentee before: Beijing Hongji Equipment Technology Co., Ltd

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Patentee after: Hainan heding Technology Co.,Ltd.

Address before: 255000 room 906, block a, advanced ceramic industry innovation park, 125 Liuquan Road, high tech Zone, Zibo City, Shandong Province

Patentee before: Shandong LanChi Biotechnology Co.,Ltd.