CN206661905U - A kind of system of super enriching plant cutting recycling - Google Patents
A kind of system of super enriching plant cutting recycling Download PDFInfo
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- CN206661905U CN206661905U CN201720345321.4U CN201720345321U CN206661905U CN 206661905 U CN206661905 U CN 206661905U CN 201720345321 U CN201720345321 U CN 201720345321U CN 206661905 U CN206661905 U CN 206661905U
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- pyrolysis
- leachate
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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 discloses a kind of system of super enriching plant cutting recycling.The system includes pyrolysis unit and heavy metal processing unit, and pyrolysis unit includes pyrolysis oven, and heavy metal processing unit includes leaching device, purifier and electrochemical depositer；Pyrolysis oven is provided with pyrolysis feed entrance, combustible gas entrance, pyrolytic carbon outlet and high-temperature oil gas outlet；Leaching device is provided with leaching agent entrance, pyrolytic carbon entrance, charcoal outlet and leachate outlet, and pyrolytic carbon entrance is connected with pyrolytic carbon outlet；Purifier is provided with zinc powder entrance, leachate entrance and scavenging solution outlet, and leachate entrance is connected with leachate outlet；Electrochemical depositer is provided with scavenging solution entrance, heavy metal outlet and electrodeposition waste liquid outlet, and scavenging solution entrance is connected with scavenging solution outlet.The utility model had both solved the pollution problem of heavy metal, can provide the valuable resources such as metal, combustion gas and bio oil again, moreover it is possible to is used to generate electricity by pyrolysis oil gas, realizes the unification of environment and economic benefit.
Description
Technical field
The utility model belongs to agricultural resources technical field and contaminated soil remediation field, in particular it relates at one kind
The system for managing super enriching plant cutting recycling.
Background technology
Phytoremediation is a kind of method of heavy-metal contaminated soil reparation, by development in recent years, phytoremediation technology
The spies such as the compatibility with permanent, governance process the original position of its regulation effect, the inexpensive cost for the treatment of cost and the aesthetics of environment
Point, one of main path of contaminated soil improvement is increasingly becoming, and has initially entered industrialization initial stage.In China native country
Have found ciliate desert-grass (enrichment arsenic), Berkheya coddii plants (enriching nickel), Sedum alfredii Hance (Zn accumulation), Brassicacam
A variety of super enriching plants such as pestris (enriched lead or cadmium).Prior art is concentrated mainly on the screening of super enriching plant, chelating lures
Lead reparation, Arbuscular Mycorrhizal Fungi reinforcing, gene technology, agronomy management and field measure etc..And on restoration of soil polluted by heavy metal after
Plant harvest thing Treatment and recovery technology, research report both domestic and external is seldom, and is essentially all that simple experiment is visited
Rope.
With realizing super enriching plant cutting effective processing and recycling, it is that phytoremediation technology system needs perfect one
Individual difficult point, and phytoremediation technology is in industrialization process, it is necessary in face of one of with key issue in the urgent need to address.This
It is due to that the plant that have accumulated plurality of heavy metal often makes heavy metal element return to soil by approach such as rotten, fallen leaves, because
This must make heavy metal element return to soil in approach such as plant defoliations, it is therefore necessary to plant body is gathered in before plant defoliation, and
By its timely harmless treatment.
Either the processing method of existing super enriching plant cutting can not effectively handle heavy metal, or it can not realize
The recycling of super enriching plant cutting, urgent need provide the processing method of a kind of environment and economic benefit win-win.
Utility model content
For overcome the deficiencies in the prior art, the utility model provide firstly a kind of super enriching plant cutting recycling
The system utilized, it includes pyrolysis unit and heavy metal processing unit, and the pyrolysis unit includes pyrolysis oven, at the heavy metal
Reason unit includes leaching device, purifier and electrochemical depositer；
The pyrolysis oven is provided with pyrolysis feed entrance, combustible gas entrance, pyrolytic carbon outlet and high-temperature oil gas outlet；
The leaching device is provided with leaching agent entrance, pyrolytic carbon entrance, charcoal outlet and leachate outlet, the pyrolysis
Charcoal entrance is connected with the pyrolytic carbon outlet of the pyrolysis oven；
The purifier be provided with zinc powder entrance, leachate entrance and scavenging solution outlet, the leachate entrance with it is described
The leachate outlet of leaching device is connected；
The electrochemical depositer is provided with scavenging solution entrance, heavy metal outlet and electrodeposition waste liquid outlet, the scavenging solution
Entrance is connected with the scavenging solution outlet of the purifier.
In some embodiments of the utility model, the system also includes generator unit, and the generator unit includes burning
Room, waste heat boiler and steam turbine；
The combustion chamber is provided with high-temperature oil gas entrance, high-temperature flue gas outlet, the high-temperature oil gas entrance and the pyrolysis oven
High-temperature oil gas outlet be connected；
The waste heat boiler is provided with high-temperature flue gas entry, water inlet, low-temperature flue gas outlet and superheated steam outlet, the height
Warm smoke inlet is connected with the high-temperature flue gas outlet of the combustion chamber；
The steam turbine is provided with superheated steam entrance, condensation-water drain and generating set, the superheated steam entrance and institute
The superheated steam outlet for stating waste heat boiler is connected.
In some embodiments of the utility model, the leaching device is additionally provided with ammonia inlet, the electrochemical deposition
The electrodeposition waste liquid outlet of device is connected with the leaching agent entrance of the leaching device.
In some embodiments of the utility model, the anode material of the electrochemical depositer is aluminium sheet or stainless steel
Plate, cathode material are inert material.
In some embodiments of the utility model, the system also includes pretreatment unit, and the pretreatment unit includes
Drying unit, reducing mechanism and briquetting device；
The drying unit is provided with drying material entrance and drying material exports；
The reducing mechanism, which is provided with, crushes feed(raw material)inlet and crushed material outlet, and the crushing feed(raw material)inlet fills with the drying
The drying material outlet put is connected；
The briquetting device is provided with briquetting feed(raw material)inlet and the outlet of material bag, the briquetting feed(raw material)inlet and the reducing mechanism
Crushed material outlet be connected, material bag outlet is connected with the pyrolysis feed entrance of the pyrolysis oven.
Super enriching plant cutting is pyrolyzed by the utility model, and heavy metal is further handled, both
Solve the pollution problem of heavy metal, the valuable resources such as metal, combustion gas and bio oil can be provided again, realize environment and economy
The unification of benefit.
Brief description of the drawings
Fig. 1 is that a kind of structure of the system of super enriching plant cutting recycling in the utility model embodiment is shown
It is intended to.
Embodiment
Below in conjunction with drawings and examples, specific embodiment of the present utility model is described in more details, with
Just the advantages of better understood when scheme of the present utility model and its various aspects.However, specific implementations described below
Mode and embodiment are for illustrative purposes only, rather than to limitation of the present utility model.
The system of super enriching plant cutting recycling provided by the utility model, including pyrolysis unit and heavy metal
Processing unit, pyrolysis unit include pyrolysis oven, and heavy metal processing unit includes leaching device, purifier and electrochemical deposition dress
Put.
Pyrolysis oven is used to be pyrolyzed super enriching plant cutting.Pyrolysis oven is provided with pyrolysis feed entrance, combustible gas entrance, pyrolysis
Charcoal exports and high-temperature oil gas outlet.
Leaching device is used to leach heavy metal from pyrolytic carbon.Leaching device be provided with leaching agent entrance, pyrolytic carbon entrance,
Charcoal exports and leachate outlet, and pyrolytic carbon entrance is connected with the pyrolytic carbon outlet of pyrolysis oven.
Impurity element of the purifier in zinc dust precipitation leachate, obtain scavenging solution.Purifier be provided with zinc powder entrance,
Leachate entrance and scavenging solution outlet, leachate entrance are connected with the leachate outlet of leaching device.
Electrochemical depositer is used to carry out electrochemical deposition reaction, heavy metal is removed from scavenging solution.Electrochemistry is sunk
Product device is provided with scavenging solution entrance, heavy metal exports and electrodeposition waste liquid outlet, and the scavenging solution of scavenging solution entrance and purifier goes out
Mouth is connected.
Super enriching plant cutting is pyrolyzed by the utility model, and heavy metal is further handled, both
Solve the pollution problem of heavy metal, the valuable resources such as metal, combustion gas and bio oil can be provided again, realize environment and economy
The unification of benefit.
The pyrolysis oven that the utility model uses is heat carrier heat accumulating type rotating bed, and the thermal efficiency is high, reaches more than 86%.Pyrolysis
It is high temperature anoxybiotic environment in stove, pyrolysis devolatilization gas completely cuts off with high-temperature flue gas, avoids secondary pollution.Material is relative in pyrolytic process
Expect that bed is static, be not pressurized, do not stir, radiation tube fluid and reaction burner hearth are completely isolated, avoid the problem of producing flying dust.
In the utility model preferred embodiment, the system also includes generator unit, and generator unit includes combustion chamber, remaining
Heat boiler and steam turbine.Pyrolysis oil gas is burnt, then prepares steam, then steam is used for generating electricity.
Combustion chamber is used for combustion and pyrolysis oil gas, prepares high-temperature flue gas.Combustion chamber is provided with high-temperature oil gas entrance, high-temperature flue gas goes out
Mouthful, high-temperature oil gas entrance is connected with the high-temperature oil gas outlet of pyrolysis oven.
Waste heat boiler is used to prepare superheated steam.Waste heat boiler is provided with high-temperature flue gas entry, water inlet, low-temperature flue gas outlet
Exported with superheated steam, high-temperature flue gas entry is connected with the high-temperature flue gas outlet of combustion chamber.
Steam turbine is used to generate electricity.Steam turbine is provided with superheated steam entrance, condensation-water drain and generating set, and superheated steam enters
Mouth is connected with the superheated steam outlet of waste heat boiler.
Electric energy can supply the electricity consumption of super enriching plant pretreatment unit, realize recycling for resource.
In the utility model preferred embodiment, leaching device is additionally provided with ammonia inlet, the electricity of electrochemical depositer
Product waste liquid outlet is connected with the leaching agent entrance of leaching device.
After electrodeposition waste liquid supplement ammonia, it is used further to leach heavy metal.The problem of not only solving electrodeposition liquid waste processing difficulty, also saves
About leaching agent, reduces production cost.
In the utility model preferred embodiment, the anode material of electrochemical depositer is aluminium sheet or stainless steel plate,
Cathode material is inert material, obtained electrowinning better quality.Optional inert metal has：High purity graphite, apply ruthenium titanium plate,
Boronation titanium plate, titanium carbide, zirconium boride etc..
In the utility model preferred embodiment, said system may also include pretreatment unit.Pretreatment unit can be with
Including drying unit, reducing mechanism and briquetting device.The super enriching plant cutting moisture just gathered in is high, size not
One, after pretreatment unit is handled, be advantageous to the progress of subsequent handling.
Drying unit is used to dry the super enriching plant cutting just gathered in.Drying unit is provided with drying material entrance and baking
Drier outlet.
From drying unit come out after super enriching plant cutting be further crushed.Reducing mechanism is provided with crushing raw material and entered
Mouth and crushed material outlet, crush feed(raw material)inlet and is connected with the drying material outlet of drying unit.
Briquetting device is used to the super enriching plant cutting after crushing being pressed into material bag, and heat is carried out to enter pyrolysis oven
Solution.Briquetting device is provided with briquetting feed(raw material)inlet and the outlet of material bag, and briquetting feed(raw material)inlet is connected with the crushed material outlet of reducing mechanism,
The outlet of material bag is connected with the pyrolysis feed entrance of pyrolysis oven.
Fig. 1 show a kind of the utility model preferably system of super enriching plant cutting recycling.In Fig. 1,1
For pretreatment unit, including drying unit 11, reducing mechanism 12 and briquetting device 13；2 be pyrolysis unit, including pyrolysis oven 21；3
For heavy metal processing unit, including leaching device 31, purifier 32 and electrochemical depositer 33；4 be generator unit, including
Combustion chamber 41, waste heat boiler 42 and steam turbine 43.Its mutual annexation is as described above.
Super enriching plant cutting is handled using system provided by the utility model, its heavy metal recovery rate is high, and can also
Obtain the valuable resources such as pyrolytic carbon and high-temperature oil gas.
Below with reference to specific embodiment, the utility model is illustrated.Institute's taking technique condition value in following embodiments
It is exemplary, its desirable number range is as shown in foregoing utility model content.Detection method used in following embodiments
It is the conventional detection method of the industry.
Embodiment 1
The present embodiment utilizes super enriching plant cutting using the system resourceization shown in Fig. 1.It is super used in the present embodiment
Enriching plant cutting is Viola baoshanensis, and raw aqueous rate is 45.5wt%, and the concentration of cadmium is 2310mg/kg (dry matter weight).
Detailed process is as follows：
11) 1t (ton) Viola baoshanensis raw material is sent into dryer 11, drying temperature is 80 DEG C, and being dried to moisture is
25.2wt%, then it is sent into pulverizer 12 and is crushed to 10cm or so, and be sent into cuber 13 and carry out briquetting, the heap density for expecting bag is
0.3t/m3。
12) Viola baoshanensis after briquetting is sent into heat accumulating type rotating bed pyrolysis installation 21, wherein pyrolysis temperature is 600 DEG C,
Pyrolysis time is 50min, and pyrolysis is incubated 30min after terminating, and obtains pyrolytic carbon and high-temperature oil gas.
13) caused pyrolytic carbon is delivered to leaching device 31, using (NH4)2CO3-NH3-H2O systems leach, and are soaked
Go out liquid and charcoal.[NH4]+Concentration be 4mol/L, the concentration of ammoniacal liquor is 2mol/L；The solid-to-liquid ratio of leaching step is 3:1, leaching
It is 60min to go out the time, and extraction temperature is 30 DEG C.
14) leachate is sent into purifier 32, with the impurity element in zinc dust precipitation leachate, obtains scavenging solution.
15) scavenging solution feeding electrochemical depositer 33 is subjected to electrochemical deposition, obtains heavy metal.Electrochemical deposition fills
The anode material put is stainless steel plate, and cathode material is high purity graphite.Current efficiency in electrochemical deposition process is 92%.
16) in high-temperature oil gas feeding combustion chamber 41 are burnt, produces high-temperature flue gas；High-temperature flue gas is in waste heat boiler 42
In exchanged heat with water, produce superheated steam；Superheated steam generates electricity into steam turbine 43.
The cadmium of the present embodiment recovery is 1.06kg, and the rate of recovery is about 84%, generating 298kwh.
Embodiment 2
The present embodiment utilizes super enriching plant cutting using the system resourceization shown in Fig. 1.It is super used in the present embodiment
Enriching plant cutting is ciliate desert-grass, and raw aqueous rate is 50.6wt%, and the concentration of arsenic is 2645mg/kg (dry matter weight).Tool
Body process is as follows：
21) 1t ciliate desert-grass raw material is sent into dryer 11, drying temperature is 110 DEG C, and being dried to moisture is
22.5wt%, then it is sent into pulverizer 12 and is crushed to 10cm or so, and be sent into cuber 13 and carry out briquetting, the heap density for expecting bag is
0.2t/m3。
22) ciliate desert-grass after briquetting is sent into heat accumulating type rotating bed pyrolysis installation 21, wherein pyrolysis temperature is 400 DEG C, heat
The solution time is 60min, and pyrolysis is incubated 45min after terminating, and obtains pyrolytic carbon and high-temperature oil gas.
23) caused pyrolytic carbon is delivered to leaching device 31, using (NH4)2CO3-NH3-H2O systems leach, and are soaked
Go out liquid and charcoal.[NH4]+Concentration be 10mol/L, the concentration of ammoniacal liquor is 6mol/L；The solid-to-liquid ratio of leaching step is 5:1, leaching
It is 30min to go out the time, and extraction temperature is 40 DEG C.
24) leachate is sent into purifier 32, with the impurity element in zinc dust precipitation leachate, obtains scavenging solution.
25) scavenging solution feeding electrochemical depositer 33 is subjected to electrochemical deposition, obtains heavy metal.Electrochemical deposition fills
The anode material put is aluminium sheet, and cathode material is painting ruthenium titanium plate.Current efficiency in electrochemical deposition process is 93%.
26) in high-temperature oil gas feeding combustion chamber 41 are burnt, produces high-temperature flue gas；High-temperature flue gas is in waste heat boiler 42
In exchanged heat with water, produce superheated steam；Superheated steam generates electricity into steam turbine 43.
The arsenic of the present embodiment recovery is 1.12kg, and the rate of recovery is about 86%, generating 326kwh.
Embodiment 3
The present embodiment utilizes super enriching plant cutting using the system resourceization shown in Fig. 1.It is super used in the present embodiment
Enriching plant cutting is ciliate desert-grass, and raw aqueous rate is 40.8wt%, and the concentration of arsenic is 2421mg/kg (dry matter weight).Tool
Body process is as follows：
31) 1t ciliate desert-grass raw material is sent into dryer 11, drying temperature is 95 DEG C, and being dried to moisture is
21.4wt%, then it is sent into pulverizer 12 and is crushed to 10cm or so, and be sent into cuber 13 and carry out briquetting, the heap density for expecting bag is
0.4t/m3。
32) ciliate desert-grass after briquetting is sent into heat accumulating type rotating bed pyrolysis installation 21, wherein pyrolysis temperature is 700 DEG C, heat
The solution time is 30min, and pyrolysis is incubated 20min after terminating, and obtains pyrolytic carbon and high-temperature oil gas.
33) caused pyrolytic carbon is delivered to leaching device 31, using (NH4)2CO3-NH3-H2O systems leach, and are soaked
Go out liquid and charcoal.[NH4]+Concentration be 2mol/L, the concentration of ammoniacal liquor is 1mol/L；The solid-to-liquid ratio of leaching step is 2:1, leaching
It is 300min to go out the time, and extraction temperature is 50 DEG C.
34) leachate is sent into purifier 32, with the impurity element in zinc dust precipitation leachate, obtains scavenging solution.
35) scavenging solution feeding electrochemical depositer 33 is subjected to electrochemical deposition, obtains heavy metal.Electrochemical deposition fills
The anode material put is stainless steel plate, and cathode material is titanium carbide.Current efficiency in electrochemical deposition process is 91%.
36) in high-temperature oil gas feeding combustion chamber 41 are burnt, produces high-temperature flue gas；High-temperature flue gas is in waste heat boiler 42
In exchanged heat with water, produce superheated steam；Superheated steam generates electricity into steam turbine 43.
The arsenic of the present embodiment recovery is 1.16kg, and the rate of recovery is about 81%, generating 276kwh.
It was found from above-described embodiment, using PROCESS FOR TREATMENT super enriching plant cutting provided by the utility model, its huge sum of money
It is high to belong to the rate of recovery, and the valuable resources such as pyrolytic carbon and high-temperature oil gas can also be obtained.
To sum up, super enriching plant cutting is pyrolyzed by the utility model, and heavy metal is further located in
Reason, had both solved the pollution problem of heavy metal, and can provide the valuable resources such as metal, combustion gas and bio oil again, moreover it is possible to will be pyrolyzed
Oil gas is used to generate electricity, and realizes the unification of environment and economic benefit.
In addition, the pyrolysis oven that the utility model uses is heat carrier heat accumulating type rotating bed, the thermal efficiency is high, reach 86% with
On.It is high temperature anoxybiotic environment in pyrolysis oven, pyrolysis devolatilization gas completely cuts off with high-temperature flue gas, avoids secondary pollution.In pyrolytic process
The relative material bed of material is static, is not pressurized, does not stir, and radiation tube fluid and reaction burner hearth are completely isolated, avoid generation flying dust
The problem of.
Obviously, above-described embodiment is only intended to clearly illustrate the utility model example, and not to embodiment party
The restriction of formula.For those of ordinary skill in the field, other differences can also be made on the basis of the above description
The change or variation of form.There is no necessity and possibility to exhaust all the enbodiments.And thus amplify out aobvious and
Among the change or variation being clear to are still in the scope of protection of the utility model.
Claims (5)
1. a kind of system of super enriching plant cutting recycling, it is characterised in that at pyrolysis unit and heavy metal
Unit is managed, the pyrolysis unit includes pyrolysis oven, and the heavy metal processing unit includes leaching device, purifier and electrochemistry
Precipitation equipment；
The pyrolysis oven is provided with pyrolysis feed entrance, combustible gas entrance, pyrolytic carbon outlet and high-temperature oil gas outlet；
The leaching device is provided with leaching agent entrance, pyrolytic carbon entrance, charcoal outlet and leachate outlet, the pyrolytic carbon and entered
Mouth is connected with the pyrolytic carbon outlet of the pyrolysis oven；
The purifier is provided with zinc powder entrance, leachate entrance and scavenging solution outlet, the leachate entrance and the leaching
The leachate outlet of device is connected；
The electrochemical depositer is provided with scavenging solution entrance, heavy metal outlet and electrodeposition waste liquid outlet, the scavenging solution entrance
It is connected with the scavenging solution outlet of the purifier.
2. system according to claim 1, it is characterised in that also include burning including generator unit, the generator unit
Room, waste heat boiler and steam turbine；
The combustion chamber is provided with high-temperature oil gas entrance, high-temperature flue gas outlet, the height of the high-temperature oil gas entrance and the pyrolysis oven
Warm oil gas vent is connected；
The waste heat boiler is provided with high-temperature flue gas entry, water inlet, low-temperature flue gas outlet and superheated steam outlet, the high temperature cigarette
Gas entrance is connected with the high-temperature flue gas outlet of the combustion chamber；
The steam turbine is provided with superheated steam entrance, condensation-water drain and generating set, the superheated steam entrance with it is described remaining
The superheated steam outlet of heat boiler is connected.
3. system according to claim 1, it is characterised in that the leaching device is additionally provided with ammonia inlet, the electrification
The electrodeposition waste liquid outlet for learning precipitation equipment is connected with the leaching agent entrance of the leaching device.
4. system according to claim 1, it is characterised in that the anode material of the electrochemical depositer be aluminium sheet or
Stainless steel plate, cathode material are inert material.
5. system according to claim 1, it is characterised in that also include including pretreatment unit, the pretreatment unit
Drying unit, reducing mechanism and briquetting device；
The drying unit is provided with drying material entrance and drying material exports；
The reducing mechanism, which is provided with, crushes feed(raw material)inlet and crushed material outlet, described to crush feed(raw material)inlet and the drying unit
Drying material outlet is connected；
The briquetting device is provided with briquetting feed(raw material)inlet and the outlet of material bag, the briquetting feed(raw material)inlet and the powder of the reducing mechanism
Particle outlet is connected, and the material bag outlet is connected with the pyrolysis feed entrance of the pyrolysis oven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720345321.4U CN206661905U (en) | 2017-04-01 | 2017-04-01 | A kind of system of super enriching plant cutting recycling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720345321.4U CN206661905U (en) | 2017-04-01 | 2017-04-01 | A kind of system of super enriching plant cutting recycling |
Publications (1)
| Publication Number | Publication Date |
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| CN206661905U true CN206661905U (en) | 2017-11-24 |
Family
ID=60366765
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720345321.4U Expired - Fee Related CN206661905U (en) | 2017-04-01 | 2017-04-01 | A kind of system of super enriching plant cutting recycling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106987722A (en) * | 2017-04-01 | 2017-07-28 | 北京神源环保有限公司 | A kind of system and method for super enriching plant cutting recycling |
-
2017
- 2017-04-01 CN CN201720345321.4U patent/CN206661905U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106987722A (en) * | 2017-04-01 | 2017-07-28 | 北京神源环保有限公司 | A kind of system and method for super enriching plant cutting recycling |
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Effective date of registration: 20200226 Address after: No. 1391, south side, 10th floor, new material venture building, No. 7, Fenghui Middle Road, Haidian District, Beijing Patentee after: Beijing Jiejing Environmental Protection Technology Co.,Ltd. Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee before: BEIJING SHENYUAN ENVIRONMENTAL PROTECTION Co.,Ltd. |
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