CN204746047U - Deodorization equipment that kitchen garbage handled - Google Patents
Deodorization equipment that kitchen garbage handled Download PDFInfo
- Publication number
- CN204746047U CN204746047U CN201520308775.5U CN201520308775U CN204746047U CN 204746047 U CN204746047 U CN 204746047U CN 201520308775 U CN201520308775 U CN 201520308775U CN 204746047 U CN204746047 U CN 204746047U
- Authority
- CN
- China
- Prior art keywords
- shell
- treatment system
- permeable plate
- air permeable
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model discloses a deodorization equipment that kitchen garbage handled, including draught fan (100), pretreatment systems (200), biological treatment system (300) and vent gas treatment system in (400), in introducing pretreatment systems (200) through the waste gas of draught fan (100) in with the kitchen garbage processing procedure, process first active carbon (240) and 1% -3%gml's naOH solution treatment in pretreatment systems (200), then in introducing biological treatment system (300) once more with the waste gas that pretreatment systems (200) handled, through the microorganism metabolism in second active carbon (340) in the biological treatment system (300), decompose stench composition in the waste gas, the waste gas that produces in the kitchen garbage processing procedure is through the waste gas environmental protection after this treatment of plants, and no secondary pollution, while cheap cost, and the course is very simple, and the automation is high.
Description
Technical field
The utility model relates to the Odor control field of changing food waste processing procedure, the deodorizing device of particularly a kind of changing food waste process.
Background technology
Along with the development of China's economy and improving constantly of living standards of the people, the catering trade in each city also enters the high speed development stage, but thing followed house refuse, changing food waste seriously pollute urban environmental hygiene, some foul smell that particularly these rubbish give out affect the life of numerous people, bring great harm to numerous people is healthy.
Can produce large quantity of exhaust gas after changing food waste process, traditional food waste treatment equipment cannot process the large quantity of exhaust gas of generation, and waste gas can pollute air after discharging, and with pungent smell.In order to solve prior art Problems existing, the research staff needed badly in this area research and develop a kind of can the equipment of disposal of refuse foul smell.
At present, main deodorizing mode is broadly divided into Physical, chemical method, bioanalysis.
(1) Physical general principle is the physical aspect changing odorant, be separated from gas phase, but chemical property does not change, and reversible reaction often, under certain condition, isolated odorant enters gaseous state again, as hydrogen sulfide, ammonia etc. volatilize from water, the resolving etc. of activated carbon.Physical equipment is simple, easy to operate, good separation.
(2) chemical method general principle is by chemical reaction and effect of mass transmitting, odorant pollutant is converted into not smelly harmless material, reaches the object eliminating stink.Chemical method reaction is fast, reliable, but selective extremely strong, when selecting chemical agent, odorant composition must be known, even the concentration of pollutant, because absorbent quantity not sufficient, can not remove pollutant completely, absorbent is excessive, causes new pollution sometimes.
(3) bioanalysis general principle is the metabolism utilizing microorganism, using odorant as nutrition, odorant is decomposed into CO
2, H
2o, N
2, harmless gas and the solable matter such as sulfate.Bioanalysis selective strong, microorganism can by inoculation, cultivate, domestication, make it adapt to current environment, decompose organic substance wherein.But it is higher to procedure parameter control overflow such as temperature, humidity, pH values.
The chemical equation of microbial decomposition odor pollutant:
Hydrogen sulfide
H
2S+2O
2→H
2SO
4
Methyl mercaptan
2CH
3SH+7O
2→2H
2SO
4+2CO
2+2H
2O
Methyl sulfide
(CH
3)
2S+5O
2→H
2SO
4+2CO
2+2H
2O
Methyl disulfide
2(CH
3)2S
2+13O
2→4H
2SO
4+4CO
2+2H
2O
Ammonia
NH
3+2O
2→HNO
3+H
2O
Trimethylamine
2(CH
3)
3N+13O
2→2HNO
3+6CO
2+8H
2O
Can find out that foul gas can generate the acidic materials such as sulfuric acid, nitric acid after microbial reaction from reaction equation, system pH value is declined.Should consider during system cloud gray model that pH value regulates.
Summary of the invention
In order to solve above-mentioned prior art Problems existing, the purpose of this utility model is to provide the deodorizing device of a kind of environmental protection, non-secondary pollution, low cost, process is simple, automaticity is high changing food waste process.
In order to achieve the above object, the utility model is achieved by the following technical solutions.
A kind of deodorizing device of changing food waste process, it is characterized in that, comprise air-introduced machine, pretreatment system and biological treatment system, the exhaust outlet of described air-introduced machine is connected to the import of pretreatment system by pipeline, the outlet of described pretreatment system is connected to the import of biological treatment system by pipeline, the outlet of described biological treatment system is communicated with air; Cultivate in described second active carbon hole and have microorganism, described microorganism take pollutant as Major Foods, is equiped with the second spray medication device above described second active carbon, and what described second spray equipment sprayed is full culture medium.
Feature of the present utility model and further improvement are:
Described pretreatment system comprises the first shell, the outer wall middle and lower part of described first shell is provided with the first inlet pipeline, the inner chamber middle and lower part of described first shell be provided with the first air permeable plate and the position of described first air permeable plate higher than the position of described first inlet pipeline, described first air permeable plate is parallel with described first outer casing bottom and seal fixing with described first outer casing inner wall; Described first air permeable plate upper surface is filled with the first active carbon between described first shell middle and upper part, between described first cover top portion, the first spray medication device is equiped with above described first active carbon, the medicine that described first spray equipment sprays is the NaOH solution of 1%-3%g/ml, and described first cover top portion is provided with the first outlet conduit.
Described biological treatment system comprises second housing, the top of described second housing is provided with the second inlet pipeline, the outer wall middle and lower part of described second housing is provided with the second outlet conduit, the inner chamber middle and lower part of described second housing be provided with the second air permeable plate and the position of described second air permeable plate higher than the position of described second inlet pipeline, described second air permeable plate is parallel with bottom described second housing and fix with described second housing inner wall sealing, fills described second active carbon between described second air permeable plate upper surface to described second housing top.
Also include exhaust treatment system, the outlet of described biological treatment system is connected to the import of exhaust treatment system, described exhaust treatment system comprises the 3rd shell, the outer wall middle and lower part of described 3rd shell is provided with triple feed inlet pipeline, described 3rd shell inner cavity middle and lower part is provided with the 3rd air permeable plate, the position of described 3rd air permeable plate is higher than the position of described triple feed inlet pipeline, described 3rd air permeable plate upper surface is filled with the 3rd active carbon to described 3rd shell middle and upper part, and described 3rd cover top portion offers the 3rd outlet conduit.
Also include Treatment by Photocatalysis Oxidation unit, described Treatment by Photocatalysis Oxidation unit is connected with described 3rd outlet conduit.
Described pretreatment system and exhaust treatment system are installed on same first row, described biological treatment system and described pretreatment system and exhaust treatment system provided beside.
The material of described first shell, second housing and the 3rd shell is carbon steel metal, and described first shell, second housing and the 3rd outer casing inner wall are equiped with one deck fiberglass.
Based on the deodorizing method of the deodorizing device of any one changing food waste process above-mentioned, it is characterized in that, the step of this deodorizing method is as follows:
The first step: cultivating in the second active carbon hole with pollutant is the microorganism of food;
Second step: second active carbon of cultured microorganism is filled in described second housing inner chamber;
3rd step: be incorporated in pretreatment system by air-introduced machine by the waste gas in process changing food waste process, the waste gas of introducing by described first active carbon, and filters under the NaOH solution of 1%-3%g/ml;
4th step: be incorporated in biological treatment system by the waste gas by pretreatment system, by the metabolism of microorganism, is converted into simple inorganic matter by the organic composition in waste gas; Meanwhile, spray full culture medium by described second spray equipment, provide enough nutriments to microorganism;
5th step: the biological treatment system process waste gas of process is incorporated in exhaust treatment system, exhaust treatment system is filtered the waste gas introduced again by the 3rd active carbon;
6th step: by the waste gas through exhaust treatment system process again by Treatment by Photocatalysis Oxidation cell processing, finally enter in air.
Compared with prior art, the utility model has technique effect significantly.
One, the deodorizing device of a kind of changing food waste process of the present utility model, by air-introduced machine, the waste gas in changing food waste processing procedure is incorporated in pretreatment system, through the NaOH solution process of the first active carbon and 1%-3%g/ml in pretreatment system, then the waste gas of pretreatment system process is incorporated in biological treatment system again, by the bacteria metabolism in the second active carbon in biological treatment system, odor pollutant in waste gas is decomposed, waste gas discharged so does not pollute, therefore the waste gas environmental protection of the waste gas produced in changing food waste processing procedure after this device processes, non-secondary pollution, and this cost of equipment is cheap, process is simple, automaticity is high.
Two, through the waste gas of exhaust treatment system process and then by Treatment by Photocatalysis Oxidation cell processing, photochemical catalytic oxidation deodorization technology has that purification efficiency is high, energy consumption is low, capacity usage ratio is high, facility compact, purification thoroughly and good economy performance.
Three, pretreatment system and exhaust treatment system are installed on same first row, and biological treatment system and pretreatment system and exhaust treatment system provided beside, both save floor space like this, facilitate again administrative staff to manage.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the overall schematic of the deodorizing device of a kind of changing food waste process of the utility model;
Fig. 2 is the position view of pretreatment system, biological treatment system and exhaust treatment system.
In figure: 100, air-introduced machine; 200, pretreatment system; 210, the first shell; 220, the first inlet pipeline; 230, the first air permeable plate; 240, the first active carbon; 250, the first spray equipment; 260, the first outlet conduit; 300, biological treatment system; 310, second housing; 320, the second inlet pipeline; 330, the second air permeable plate; 340, the second active carbon; 350, the second spray equipment; 360, the second outlet conduit; 400, exhaust treatment system; 410, the 3rd shell; 420, triple feed inlet pipeline; 430, the 3rd air permeable plate; 440, the 3rd active carbon; 450, the 3rd outlet conduit.
Detailed description of the invention
First embodiment:
As shown in Figure 1, the deodorizing device of a kind of changing food waste process of the present utility model, comprise air-introduced machine 100, pretreatment system 200 and biological treatment system 300, the exhaust outlet of air-introduced machine 100 is connected to the import of pretreatment system 200 by pipeline, the outlet of pretreatment system 200 is connected to the import of biological treatment system 300 by pipeline, the outlet of biological treatment system 300 is communicated with air.
Wherein, pretreatment system 200 comprises the first shell 210, the outer wall middle and lower part of the first shell 210 is provided with the first inlet pipeline 220, the inner chamber middle and lower part of the first shell 210 be provided with the first air permeable plate 230 and the position of the first air permeable plate 230 higher than the position of the first inlet pipeline 220, the first air permeable plate 230 is parallel with bottom the first shell 210 and fix with the first shell 210 inner wall sealing; First air permeable plate 230 upper surface is filled with the first active carbon 240 between the first shell 210 middle and upper part, between the first shell 210 top, the first spray equipment 250 is equiped with above first active carbon 240, the medicine that first spray equipment 250 sprays is the NaOH solution of 1%-3%g/ml, and the first shell 210 top is provided with the first outlet conduit 260;
Wherein, biological treatment system 300 comprises second housing 310, the top of second housing 310 is provided with the second inlet pipeline 320, the outer wall middle and lower part of second housing 310 is provided with the second outlet conduit 360, the inner chamber middle and lower part of second housing 310 be provided with the second air permeable plate 330 and the position of the second air permeable plate 330 higher than the position of described second inlet pipeline 320, second air permeable plate 330 is parallel with bottom second housing 310 and fix with second housing 310 inner wall sealing, the second active carbon 340 is filled with between second air permeable plate 330 upper surface to second housing 310 top, cultivate in second active carbon 340 hole and have microorganism, microorganism take pollutant as Major Foods, the second spray equipment 350 is equiped with above second active carbon 340, what the second spray equipment 350 sprayed is full culture medium.
Wherein, also include exhaust treatment system 400, the outlet of biological treatment system is connected to the import of exhaust treatment system, exhaust treatment system comprises the 3rd shell 410, the outer wall middle and lower part of the 3rd shell 410 is provided with triple feed inlet pipeline 420,3rd shell 410 inner chamber middle and lower part is provided with the 3rd air permeable plate 430, the position of the 3rd air permeable plate 430 is higher than the position of described triple feed inlet pipeline 420,3rd air permeable plate 430 upper surface to the 3rd shell 410 middle and upper part is filled with on the 3rd active carbon the 440, three shell 410 top and offers the 3rd outlet conduit 450.
Wherein, also include Treatment by Photocatalysis Oxidation unit, Treatment by Photocatalysis Oxidation unit is connected with the 3rd outlet conduit 450.
Wherein, pretreatment system 200 and exhaust treatment system 400 are installed on same first row, biological treatment system 300 and pretreatment system 200 and exhaust treatment system 400 provided beside.
Wherein, the material of the first shell 210, second housing 310 and the 3rd shell 410 is carbon steel metal, and the first shell 210, second housing 310 and the 3rd shell 410 inwall are equiped with one deck fiberglass.
Be illustrated in figure 2 the schematic diagram of pretreatment system 200, biological treatment system 300, exhaust treatment system 400 position, the position arranged like this is conducive to saving takes up an area usable floor area, is convenient to work people management and controls.
Second embodiment:
Based on a kind of deodorizing method of deodorizing device of changing food waste process, the step of this deodorizing method is as follows:
The first step: cultivating with pollutant in the second active carbon 340 hole is the microorganism of food;
Second step: second active carbon 340 of cultured microorganism is filled in described second housing 310 inner chamber;
3rd step: be incorporated in pretreatment system 200 by air-introduced machine 100 by the waste gas in process changing food waste process, the waste gas of introducing by described first active carbon 240, and filters under the NaOH solution of 1%-3%g/ml;
4th step: be incorporated into by the waste gas by pretreatment system 200 in biological treatment system 300, by the metabolism of microorganism, is converted into simple inorganic matter by the organic composition in waste gas; Meanwhile, spray full culture medium by described second spray equipment 350, provide enough nutriments to microorganism;
5th step: the biological treatment system 300 of process is processed waste gas and is incorporated in exhaust treatment system 400, exhaust treatment system 400 is filtered the waste gas introduced again by the 3rd active carbon 440;
6th step: by the waste gas that processes through exhaust treatment system 400 again by Treatment by Photocatalysis Oxidation cell processing, finally enter in air.
The deodorizing device operation principle of changing food waste process of the present utility model is as follows:
By air-introduced machine, the waste gas in changing food waste processing procedure is incorporated in pretreatment system, through the NaOH solution process of the first active carbon and 1%-3%g/ml in pretreatment system, remove the oil composition in gas and part foul gas, in order to avoid biological inoculum wrecks, then the waste gas of pretreatment system process is incorporated in biological treatment system again, by the bacteria metabolism in the second active carbon in biological treatment system, odor pollutant in waste gas is decomposed, waste gas discharged so does not pollute, again the waste gas through biological treatment system process is incorporated into exhaust treatment system afterwards to filter again, and the waste gas of exhaust treatment system process is incorporated into Treatment by Photocatalysis Oxidation unit processes, last discharged to air, the environmental protection of the most laggard process waste gas excessively, non-secondary pollution, and this cost of equipment is cheap, process is simple, automaticity is high.
Although be below described embodiment of the present utility model by reference to the accompanying drawings, but the utility model is not limited to above-mentioned specific embodiments and applications field, above-mentioned specific embodiments is only schematic, guiding, instead of restrictive.Those of ordinary skill in the art is under the enlightenment of description, and when not departing from the scope that the utility model claim is protected, can also make a variety of forms, these all belong to the row of protection of the present utility model.
Claims (7)
1. the deodorizing device of a changing food waste process, it is characterized in that, comprise air-introduced machine (100), pretreatment system (200) and biological treatment system (300), the exhaust outlet of described air-introduced machine (100) is connected to the import of pretreatment system (200) by pipeline, the outlet of described pretreatment system (200) is connected to the import of biological treatment system (300) by pipeline, the outlet of described biological treatment system (300) is communicated with air; Described biological treatment system includes the second active carbon, cultivate in described second active carbon (340) hole and have microorganism, described microorganism take pollutant as Major Foods, described second active carbon (340) top is equiped with the second spray equipment (350), and what described second spray equipment (350) was sprayed is full culture medium.
2. the deodorizing device of changing food waste process according to claim 1, it is characterized in that, described pretreatment system (200) comprises the first shell (210), the outer wall middle and lower part of described first shell (210) is provided with the first inlet pipeline (220), the inner chamber middle and lower part of described first shell (210) be provided with the first air permeable plate (230) and the position of described first air permeable plate (230) higher than the position of described first inlet pipeline (220), described first air permeable plate (230) is parallel with described first shell (210) bottom and fix with described first shell (210) inner wall sealing, described first air permeable plate (230) upper surface is filled with the first active carbon (240) between described first shell (210) middle and upper part, described first active carbon (240) top is equiped with the first spray equipment (250) between described first shell (210) top, and described first shell (210) top is provided with the first outlet conduit (260).
3. the deodorizing device of changing food waste process according to claim 1, it is characterized in that, described biological treatment system (300) comprises second housing (310), the top of described second housing (310) is provided with the second inlet pipeline (320), the outer wall middle and lower part of described second housing (310) is provided with the second outlet conduit (360), the inner chamber middle and lower part of described second housing (310) be provided with the second air permeable plate (330) and the position of described second air permeable plate (330) higher than the position of described second inlet pipeline (320), described second air permeable plate (330) and described second housing (310) bottom is parallel and fix with described second housing (310) inner wall sealing, described second active carbon (340) is filled between described second air permeable plate (330) upper surface to described second housing (310) top.
4. the deodorizing device of changing food waste process according to claim 1, it is characterized in that, also include exhaust treatment system (400), the outlet of described biological treatment system (300) is connected to the import of exhaust treatment system (400), described exhaust treatment system (400) comprises the 3rd shell (410), the outer wall middle and lower part of described 3rd shell (410) is provided with triple feed inlet pipeline (420), described 3rd shell (410) inner chamber middle and lower part is provided with the 3rd air permeable plate (430), the position of described 3rd air permeable plate (430) is higher than the position of described triple feed inlet pipeline (420), described 3rd air permeable plate (430) upper surface is filled with the 3rd active carbon (440) to described 3rd shell (410) middle and upper part, described 3rd shell (410) top offers the 3rd outlet conduit (450).
5. the deodorizing device of changing food waste process according to claim 4, is characterized in that, also includes Treatment by Photocatalysis Oxidation unit, and described Treatment by Photocatalysis Oxidation unit is connected with described 3rd outlet conduit (450).
6. the deodorizing device of changing food waste process according to claim 2, it is characterized in that, described pretreatment system (200) and exhaust treatment system (400) are installed on same first row, described biological treatment system (300) and described pretreatment system (200) and exhaust treatment system (400) provided beside.
7. the deodorizing device of changing food waste process according to claim 2, it is characterized in that, the material of described first shell (210), second housing (310) and the 3rd shell (410) is carbon steel metal, and described first shell (210), second housing (310) and the 3rd shell (410) inwall are equiped with one deck fiberglass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520308775.5U CN204746047U (en) | 2015-05-13 | 2015-05-13 | Deodorization equipment that kitchen garbage handled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520308775.5U CN204746047U (en) | 2015-05-13 | 2015-05-13 | Deodorization equipment that kitchen garbage handled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204746047U true CN204746047U (en) | 2015-11-11 |
Family
ID=54460806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520308775.5U Active CN204746047U (en) | 2015-05-13 | 2015-05-13 | Deodorization equipment that kitchen garbage handled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204746047U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108607344A (en) * | 2018-05-23 | 2018-10-02 | 绍兴市鼎泰节能环保科技有限公司 | A kind of chloride containing work waste gas cleaning system |
| CN110404391A (en) * | 2019-07-24 | 2019-11-05 | 中国城市建设研究院有限公司 | A kind of deodorizing device of organic domestic waste composting process |
-
2015
- 2015-05-13 CN CN201520308775.5U patent/CN204746047U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108607344A (en) * | 2018-05-23 | 2018-10-02 | 绍兴市鼎泰节能环保科技有限公司 | A kind of chloride containing work waste gas cleaning system |
| CN110404391A (en) * | 2019-07-24 | 2019-11-05 | 中国城市建设研究院有限公司 | A kind of deodorizing device of organic domestic waste composting process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104801164A (en) | Deodorization equipment for kitchen garbage treatment and method thereof | |
| CN102895867B (en) | Biochemical waste gas deodorization purification apparatus and biological deodorization method | |
| CN204429097U (en) | A kind of biofilter odor purification system | |
| CN202844876U (en) | Novel high-efficiency biological deodorization purifier | |
| CN207838678U (en) | A kind of combination deodoration system of paper industry sewage plant | |
| CN202569951U (en) | Device for performing biological deodorization and waste gas treatment on sewage | |
| CN107970760B (en) | Waste gas treatment process for papermaking sewage station | |
| CN205055811U (en) | Domestic waste biological deodorization system | |
| CN104147921B (en) | A kind of apparatus and method of the activated carbon combined method processing foul gas of biofiltration | |
| CN102468495A (en) | Microbiological fuel cell for treating sulfur-containing wastewater | |
| CN203971716U (en) | Light oxygen-life assemblage odor removal | |
| CN112409035A (en) | Comprehensive treatment method for anaerobic composting and reduction whole process of kitchen garbage | |
| CN204746047U (en) | Deodorization equipment that kitchen garbage handled | |
| CN203710843U (en) | Biological deodorization filtering tank device | |
| CN107456855A (en) | Organic fertilizer fermentation workshop foul smell fast purification method and system | |
| CN208711426U (en) | A kind of refuse landfill stench processing system | |
| CN207786303U (en) | Organic fertilizer fermentation workshop foul smell fast purification system | |
| CN209735336U (en) | Electrolysis ecological deodorization filter device | |
| CN204865535U (en) | Biological deodorization device | |
| CN205412665U (en) | Box organic waste gas biological processing device of integration | |
| CN205627619U (en) | Modular biological deodorization UV clean system | |
| CN204502792U (en) | A kind of biological filter deodorizing device | |
| CN209714717U (en) | Grease emission-control equipment | |
| CN203451328U (en) | Water-saving type domestic sewage treatment system | |
| CN208553739U (en) | A kind of stench biological treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Deodorization equipment for kitchen garbage treatment and method thereof Effective date of registration: 20180816 Granted publication date: 20151111 Pledgee: Shaanxi supply and marketing cooperation to develop venture capital partnership (limited partnership) Pledgor: XI'AN CHENYU ENVIRONMENT ENGINEERING CO., LTD. Registration number: 2018610000131 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210804 Granted publication date: 20151111 Pledgee: Shaanxi supply and marketing cooperation to develop venture capital partnership (L.P.) Pledgor: XI'AN CHENYU ENVIRONMENT ENGINEERING Co.,Ltd. Registration number: 2018610000131 |