CN208397704U - Plural serial stage hydrolock water trap - Google Patents
Plural serial stage hydrolock water trap Download PDFInfo
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- CN208397704U CN208397704U CN201820785966.4U CN201820785966U CN208397704U CN 208397704 U CN208397704 U CN 208397704U CN 201820785966 U CN201820785966 U CN 201820785966U CN 208397704 U CN208397704 U CN 208397704U
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Abstract
The utility model discloses plural serial stage hydrolock water traps, including the first water seal canister assembly, multiple second water seal canister assemblies and water supply tank, first water seal canister assembly includes the first water sealed tank ontology and the first downcomer, first water sealed tank ontology has the first opening and the second opening, and the first downcomer is extend into the first water sealed tank ontology by the first opening and extends to the bottom of the first water sealed tank ontology；Each second water seal canister assembly includes the second water sealed tank ontology and the second downcomer, second water sealed tank ontology has third opening and the 4th opening, less than the height of the 4th opening, the second downcomer is open by third to be extend into the second water sealed tank ontology and extends to the second water sealed tank intrinsic bottom the height of third opening；Water supply tank is connected with one the 4th opening in multiple second water seal canister assemblies farthest away from the first water seal canister assembly.The condensed water generated in gas transmission process can not only be made to be automatically drained out using the water trap, moreover it is possible to buffer the pressure change in gas pipeline.
Description
Technical field
The utility model belongs to chemical field, in particular to plural serial stage hydrolock water trap.
Background technique
The technology of the organic wastes pollutants such as bio anaerobic fermentation process municipal sludge, kitchen garbage can not only solve solid
Body waste pollution problem, and clean energy resource-biogas can be produced.Contain a large amount of water in the biogas that anaerobic fermentation generates
Vapour, biogas is in pipe conveying procedure, and with the reduction of temperature, steam will be condensed into water, and condensed water not only can be to pipeline
Gas generates resistance, influences the conveying of biogas, also damage effect can be generated to gas equipment, so need to be by condensed water discharge pipe
Road.Therefore, it needs that condensed water is discharged in methane conveying.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is to propose plural serial stage hydrolock water trap with a novel purpose.Not only may be used using the plural serial stage hydrolock water trap
To reduce the whole height of water trap and be automatically drained out the condensed water generated in gas transmission process, moreover it is possible to buffer gas pipeline
In pressure change.
The utility model is proposed based on following problems: having certain discharge pressure in gas transmission process, in gas
In order to which condensed water is smoothly discharged without causing gas loss in body transmission process, the water column in water trap with certain altitude is needed
Gas is sealed, but water trap is excessively high and is unfavorable for the Operation and maintenance of water trap, for example, the short distance of biogas in the duct
It is 3KPa (3 meter water column) hereinafter, according to single-stage hydrolock water trap from discharge pressure, then the height of water trap will be more than 3.5
Rice.
For this purpose, the utility model proposes a kind of plural serial stage hydrolock water traps.Embodiment according to the present utility model,
The plural serial stage hydrolock water trap includes:
First water seal canister assembly, the first water seal canister assembly include: the first water sealed tank ontology and the first downcomer, described
First water sealed tank ontology has the first opening and the second opening, and first downcomer extend into described first by the first opening
Water sealed tank ontology is interior and extends to the bottom of the first water sealed tank ontology；
Multiple second water seal canister assemblies, each second water seal canister assembly include: under the second water sealed tank ontology and second
Water pipe, the second water sealed tank ontology have third opening and the 4th opening, and the height of the third opening is less than the described 4th
The height of opening, second downcomer are extend into the second water sealed tank ontology by third opening and extend to described the
The intrinsic bottom of two water sealed tanks；Wherein,
The second downcomer and described second in the second water seal canister assembly adjacent with the first water seal canister assembly
Opening is connected, far from described the in one of the first water seal canister assembly in the second water seal canister assembly of adjacent two
Two downcomers are connected with the third opening in the second water seal canister assembly described in another, second water seal of adjacent two
Height far from the 4th opening in one of the first water seal canister assembly in canister assembly be greater than another described second
The height of the 4th opening in water seal canister assembly,
Farthest away from one of the first water seal canister assembly in water supply tank, the water supply tank and multiple second water seal canister assemblies
The 4th opening be connected.
Embodiment according to the present utility model can not only make gas pipeline using above-mentioned plural serial stage hydrolock water trap
The condensed water of middle generation flows into water supply tank after the first water seal canister assembly and multiple second water seal canister assemblies, then by water supply tank
Discharge outlet is automatically drained out, moreover it is possible to the whole height of water trap be effectively reduced；At the same time it can also buffer appendix using water supply tank
Pressure change in road, when distribution pressure increases, water supply tank water level rises, continuous with condensed water as Water-storage tank
Collecting, water level rises to water supply tank discharge outlet, and extra condensed water overflows automatically, and when distribution pressure reduces, in water supply tank
Water can be replenished in time to the first water seal canister assembly and multiple second water seal canister assemblies, thus, it is possible to further increase multistage
The reliability of series connection hydrolock water trap.
In addition, can also be had according to the plural serial stage hydrolock water trap of the utility model above-described embodiment following additional
Technical characteristic:
In the present invention, the multiple second water seal canister assembly is four.
In the present invention, first downcomer is connected with the condensation-water drain of biogas conveyance conduit.As a result, not only
The condensed water in biogas conveyance conduit can be made to be smoothly discharged, also help the Operation and maintenance of water trap.
In the present invention, the bottom end of first downcomer is 730mm at a distance from second opening；It is described more
A second water seal canister assembly is along far from along the first water seal canister assembly direction, the bottom end of second downcomer and described the
The distance of four openings is followed successively by 750mm, 770mm, 795mm and 810mm.Thus, it is possible to which plural serial stage hydrolock water trap is used
It is not more than the biogas conveyance conduit of 3KPa (3 meter water column) in pressure.
In the present invention, the first water seal canister assembly and the multiple second water seal canister assembly are arranged along straight line.
In the present invention, the first water seal canister assembly and the multiple second water seal canister assembly are circumferentially arranged,
The water supply tank is located in the circle that the first water seal canister assembly and the multiple second water seal canister assembly are formed.As a result, not only
The structure of plural serial stage hydrolock water trap can be made more compact, also facilitate the production of water trap.
In the present invention, the first water sealed tank ontology also has a first row port and the first sewage draining exit, and described
One exhaust outlet is located on the roof of the first water sealed tank ontology, and first sewage draining exit is located at the first water sealed tank ontology
Bottom；The second water sealed tank ontology also has a second exhaust port and the second sewage draining exit, and the second exhaust port is located at described the
On the roof of two water sealed tank ontologies, second sewage draining exit is located at the bottom of the second water sealed tank ontology.Thus, it is possible to according to
The intrinsic sewage of actual needs discharge water sealed tank or gas.
In the present invention, first downcomer bottom end is 35-45mm at a distance from the first water sealed tank ontology bottom wall；
Second downcomer bottom end is 35-45mm at a distance from the second water sealed tank ontology bottom wall.Thus, it is possible to further increase multistage
The stability of series connection hydrolock water trap.
In the present invention, the height of the first water sealed tank ontology and the second water sealed tank ontology is 950-
1150mm.Thus, it is possible to further increase the stability of plural serial stage hydrolock water trap.
In the present invention, the first water sealed tank ontology and the second water sealed tank ontology are DN150 stainless steel
It manages, the second downcomer described in first downcomer is DN40 stainless steel tube.Thus, it is easier to realize water sealed tank production and
Sealing.
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
Fig. 1 is the structural schematic diagram according to the plural serial stage hydrolock water trap of the utility model one embodiment.
Fig. 2 is the structural schematic diagram according to the plural serial stage hydrolock water trap of the utility model further embodiment.
Fig. 3 is the sectional view according to the plural serial stage hydrolock water trap of the utility model another embodiment.
Fig. 4 is the top view according to the plural serial stage hydrolock water trap of the utility model another embodiment.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
The utility model proposes a kind of plural serial stage hydrolock water traps.Embodiment according to the present utility model, such as Fig. 1
Shown, plural serial stage hydrolock water trap includes: the first water seal canister assembly 100, multiple second water seal canister assemblies 200, water supply tank
300.Wherein,
First water seal canister assembly 100 includes the first water sealed tank ontology 110 and the first downcomer 120, the first water sealed tank ontology
110 have the first opening 111 and the second opening 112, and the first downcomer 120 extend into the first water sealed tank by the first opening 111
Ontology 110 is interior and extends to the bottom of the first water sealed tank ontology 110；Each second water seal canister assembly 200 includes the second water sealed tank
Ontology 210 and the second downcomer 220, the second water sealed tank ontology 210 have third opening 211 and the 4th opening 212, third opening
Less than the height of the 4th opening 212, the second downcomer 220 is open by third and 211 extend into the second water sealed tank sheet 211 height
In body 210 and extend to the bottom in the second water sealed tank ontology 210；Wherein, second water adjacent with the first water seal canister assembly 100
The second downcomer 220 in sealed cans component 200 is connected with the second opening 112, remote in two adjacent the second water seal canister assemblies 200
It is opened from the second downcomer 220 in one of the first water seal canister assembly 100 with the third in another the second water seal canister assembly 200
Mouth 211 is connected, and the 4th in one in two adjacent the second water seal canister assemblies 200 far from the first water seal canister assembly 100 opens
The height of mouth 212 is greater than the height of the 4th opening 212 in another the second water seal canister assembly；Water supply tank 300, water supply tank 300
It is connected with one the 4th opening 212 in multiple second water seal canister assemblies 200 farthest away from the first water seal canister assembly 100.
Embodiment according to the present utility model can not only make gas pipeline using above-mentioned plural serial stage hydrolock water trap
The condensed water of middle generation flows into water supply tank 300 after the first water seal canister assembly 100 and multiple second water seal canister assemblies 200, then
It is automatically drained out by the discharge outlet of water supply tank 300, moreover it is possible to the whole height of water trap be effectively reduced；At the same time it can also utilize moisturizing
Case 300 buffers the pressure change in gas pipeline, and when distribution pressure increases, water supply tank water level rises, as Water-storage tank,
With constantly collecting for condensed water, water level rises to 300 discharge outlet of water supply tank, and extra condensed water overflows automatically, and works as gas transmission
When pressure reduces, the water in water supply tank 300 can be replenished in time to the first water seal canister assembly 100 and multiple second water seal canister assemblies
In 200, thus, it is possible to further increase the reliability of plural serial stage hydrolock water trap.
It is retouched in detail below with reference to the plural serial stage hydrolock water trap of Fig. 1-4 pairs of the utility model above-described embodiments
It states.
The number of specific embodiment according to the present utility model, the second water seal canister assembly 200 is not particularly restricted, ability
Field technique personnel can select according to actual needs, for example, specific example according to the present utility model, multiple second water seals
Canister assembly 200 can be four, and then combine the first water seal canister assembly 100 and water supply tank 300 that can form Pyatyi series connection hydrolock
Water trap.
Specific embodiment according to the present utility model, as shown in Fig. 2, the first downcomer 120 and biogas conveyance conduit is cold
Condensate outlet is connected.Contain in the biogas that the organic wastes pollutants such as bio anaerobic fermentation process municipal sludge, kitchen garbage generate
There is a large amount of steam, biogas is in pipe conveying procedure, and as the reduction steam of temperature will be condensed into water, condensed water not only can be right
Pipeline gas generates resistance, influences the conveying of biogas, can also generate damage effect to gas equipment, by the way that this is practical new
The first downcomer 120 of plural serial stage hydrolock water trap is connected with the condensation-water drain of biogas conveyance conduit in type, not only may be used
So that the condensed water in biogas conveyance conduit is smoothly discharged, the Operation and maintenance of water trap are also helped.
Specific embodiment according to the present utility model, the condensation-water drain phase of the first downcomer 120 and biogas conveyance conduit
In plural serial stage hydrolock water trap even, the number of multiple second water seal canister assemblies 200 can be 4, thus, it is possible to make cold
Condensate flows into outside water supply tank, then the condensate drain outlet discharge line through water supply tank 300 by five water sealed tanks.Further,
Specific embodiment according to the present utility model, the bottom end of the first downcomer 120 with second opening 112 at a distance from and the second downcomer
220 bottom end is not particularly restricted at a distance from the 4th opening 212, and those skilled in the art can carry out according to actual needs
Selection, for example, the bottom end of the first downcomer 120 can be 730mm at a distance from the second opening 112；Multiple second water sealed tank groups
Part 200 along far from along 100 direction of the first water seal canister assembly, the bottom end of the second downcomer 220 with the 4th be open at a distance from can be with
It is followed successively by 750mm, 770mm, 795mm and 810mm.It is 3KPa (3 meters of water in view of the short distance discharge pressure of biogas in the duct
Column) hereinafter, according to single-stage hydrolock water trap, then the height of water trap will be more than 3.5 meters, in the utility model by using
5 grades of series connection hydrolock water traps, and control bottom end and the second opening 112 and the second downcomer 220 of the first downcomer 120
Bottom end is above-mentioned distance with the 4th opening 212, and the water seal pressure of water sealed tank can be made to reach 3855mm water column, that is to say, that
Under the premise of meeting biogas discharge pressure, being also reserved with 800mm water column prevents breakdown safeguard protection pressure, as a result, not only can be with
The condensed water in biogas conveyance conduit is smoothly discharged, moreover it is possible to which the whole height for reducing plural serial stage hydrolock water trap is gone forward side by side
The stability of one step raising water trap.
It should be noted that the bottom end of the first downcomer 120 refers to the first downcomer at a distance from the second opening 112
The distance between 120 bottom end and the second 112 minimum points of opening, the bottom end of the second downcomer 220 is at a distance from the 4th opening 212
Refer to the distance between bottom end and the 4th 212 minimum points of opening of the second downcomer 220.
Specific embodiment according to the present utility model, the first water seal canister assembly 100 and multiple second water seal canister assemblies 200
Arrangement mode is not particularly restricted, and those skilled in the art can select according to actual needs, for example, the first water sealed tank
Component 100 and multiple second water seal canister assemblies 200 can arrange along straight line or circumferentially arrange.It is according to the present utility model specific
Example, as shown in Figure 3 and Figure 4, when the first water seal canister assembly 100 and multiple second water seal canister assemblies 200 are circumferentially arranged, moisturizing
Case 300 can be located in the circle that the first water seal canister assembly 100 and multiple second water seal canister assemblies 200 are formed.It as a result, not only can be with
Keep the structure of plural serial stage hydrolock water trap more compact, also facilitates the production of water trap.
Specific embodiment according to the present utility model, the first water sealed tank ontology 110 also have first row port 113 and first
Sewage draining exit 114, first row port 113 are located on the roof of the first water sealed tank ontology 110, and the first sewage draining exit 114 is located at the first water
The bottom of sealed cans ontology 110；Second water sealed tank ontology 210 also has second exhaust port 213 and the second sewage draining exit 214, second row
Port 213 is located on the roof of the second water sealed tank ontology 210, and the second sewage draining exit 214 is located at the bottom of the second water sealed tank ontology 210
Portion.Thus, it is possible to which the intrinsic sewage of water sealed tank or gas are discharged according to actual needs.
The draining open height of specific embodiment according to the present utility model, water supply tank 300 is not higher than the first water sealed tank ontology
The height of 110 height and multiple second water sealed tank ontologies 210.
Specific embodiment according to the present utility model needs when using plural serial stage hydrolock water trap for the first time to draining
In device plus water, specifically, 210 top of the first downcomer is made to be in closed state, and by first row port 113 and multiple second rows
Port 213 is opened, into water supply tank 300 plus water until liquid level no longer reduces in water supply tank 300 subject to, be then shut off first exhaust
Mouth 113 and multiple second exhaust port 213, thus, it is possible to plural serial stage hydrolock water trap is made to reach scheduled water seal pressure, into
And in use, on the one hand, with constantly collecting for condensed water, water level rises to the discharge outlet of water supply tank 300, extra
Condensed water overflows automatically；On the other hand, when distribution pressure increases, water supply tank water level rises, and as Water-storage tank, and works as gas transmission
When pressure reduces, the water in water supply tank 300 can be replenished in time to the first water seal canister assembly 100 and multiple second water seal canister assemblies
In 200.Specific example according to the present utility model, the water level in water supply tank 300 can be 50mm when first used, as a result, may be used
So that plural serial stage hydrolock water trap has enough water seal pressure and anti-breakdown safeguard protection pressure.
Specific embodiment according to the present utility model, 120 bottom end of the first downcomer and 110 bottom wall of the first water sealed tank ontology
Distance and 220 bottom end of the second downcomer are not particularly restricted at a distance from 210 bottom wall of the second water sealed tank ontology, art technology
Personnel can select according to actual needs, for example, 120 bottom end of the first downcomer and 110 bottom wall of the first water sealed tank ontology
Distance can be 35-45mm；Second downcomer, 220 bottom end can be 35- at a distance from 210 bottom wall of the second water sealed tank ontology
45mm, 120 bottom end of preferably the first downcomer at a distance from 110 bottom wall of the first water sealed tank ontology with 220 bottom end of the second downcomer with
The distance of second water sealed tank ontology, 210 bottom wall is identical, thus, it is possible to further increase the stabilization of plural serial stage hydrolock water trap
Property.Specific example according to the present utility model, 120 bottom end of the first downcomer are at a distance from 110 bottom wall of the first water sealed tank ontology
40mm；Second downcomer, 220 bottom end is 40mm at a distance from 210 bottom wall of the second water sealed tank ontology.
Specific embodiment according to the present utility model, the height of the first water sealed tank ontology 110 and the second water sealed tank ontology 210
It is not particularly restricted, those skilled in the art can select according to actual needs, for example, the first water sealed tank ontology 110
Height with the second water sealed tank ontology 210 can be 950-1150mm.Thus, it is possible to further be conducive to the stabilization of water trap
Property and Operation and maintenance.Specific example according to the present utility model, the first water sealed tank ontology 110 and the second water sealed tank ontology
210 height is 1050mm.
Specific embodiment according to the present utility model, the first water sealed tank ontology 110 and the second water sealed tank ontology 210, and
The concrete type of first downcomer 120 and the second downcomer 220 is not particularly restricted, and those skilled in the art can be according to reality
Border is selected, for example, 110 ontology of the first water sealed tank and the second water sealed tank ontology 210 are DN150 stainless steel tube, the
One downcomer, 120 second downcomer 220 is DN40 stainless steel tube, thus, it is easier to realize the production and sealing of water sealed tank.
Specific embodiment according to the present utility model, in plural serial stage hydrolock water trap, multiple second water seal canister assemblies
200 be four, and the height of the first water sealed tank ontology 110 and the second water sealed tank ontology 210 is 1050mm, the first downcomer 120
Bottom end is 40mm, 220 bottom end of the second downcomer and the second water sealed tank ontology 210 at a distance from 110 bottom wall of the first water sealed tank ontology
The distance of bottom wall is 40mm, and 110 ontology of the first water sealed tank and the second water sealed tank ontology 210 are DN150 stainless steel tube, under first
120 second downcomer 220 of water pipe is DN40 stainless steel tube.Thus, it is possible to further increase plural serial stage hydrolock water trap
Stability.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Identical embodiment or example need not be directed to by stating.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.In addition, without conflicting with each other, this field
Technical staff can carry out the feature of different embodiments or examples described in this specification and different embodiments or examples
Combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of plural serial stage hydrolock water trap characterized by comprising
First water seal canister assembly, the first water seal canister assembly include: the first water sealed tank ontology and the first downcomer, and described first
Water sealed tank ontology has the first opening and the second opening, and first downcomer extend into described first by first opening
Water sealed tank ontology is interior and extends to the bottom of the first water sealed tank ontology；
Multiple second water seal canister assemblies, each second water seal canister assembly include: the second water sealed tank ontology and the second downcomer,
The second water sealed tank ontology has third opening and the 4th opening, and the height of the third opening is less than the 4th opening
Highly, second downcomer is extend into the second water sealed tank ontology by third opening and extends to described second
The intrinsic bottom of water sealed tank；Wherein,
The second downcomer and second opening in the second water seal canister assembly adjacent with the first water seal canister assembly
It is connected, under described second in one in the second water seal canister assembly of adjacent two far from the first water seal canister assembly
Water pipe is connected with the third opening in the second water seal canister assembly described in another, the second water sealed tank group of adjacent two
The height of the 4th opening in one in part far from the first water seal canister assembly is greater than another described second water seal
The height of the 4th opening in canister assembly,
Water supply tank, in the water supply tank and multiple second water seal canister assemblies farthest away from one of the first water seal canister assembly the
Four openings are connected.
2. plural serial stage hydrolock water trap according to claim 1, which is characterized in that the multiple second water sealed tank group
Part is four.
3. plural serial stage hydrolock water trap according to claim 2, which is characterized in that first downcomer and biogas
The condensation-water drain of conveyance conduit is connected.
4. plural serial stage hydrolock water trap according to claim 3, which is characterized in that the bottom end of first downcomer
With it is described second opening at a distance from be 730mm；
The multiple second water seal canister assembly is along far from along the first water seal canister assembly direction, the bottom of second downcomer
End is followed successively by 750mm, 770mm, 795mm and 810mm at a distance from the 4th opening.
5. plural serial stage hydrolock water trap according to claim 1-4, which is characterized in that first water seal
Canister assembly and the multiple second water seal canister assembly are arranged along straight line.
6. plural serial stage hydrolock water trap according to claim 1-4, which is characterized in that first water seal
Canister assembly and the multiple second water seal canister assembly are circumferentially arranged, and the water supply tank is located at the first water seal canister assembly and institute
It states in the circle that multiple second water seal canister assemblies are formed.
7. plural serial stage hydrolock water trap according to claim 1, which is characterized in that the first water sealed tank ontology is also
With first row port and the first sewage draining exit, the first row port is located on the roof of the first water sealed tank ontology, described
First sewage draining exit is located at the bottom of the first water sealed tank ontology；
The second water sealed tank ontology also has second exhaust port and the second sewage draining exit, and the second exhaust port is located at described second
On the roof of water sealed tank ontology, second sewage draining exit is located at the bottom of the second water sealed tank ontology.
8. plural serial stage hydrolock water trap according to claim 1, which is characterized in that first downcomer bottom end with
The distance of first water sealed tank ontology bottom wall is 35-45mm；Second downcomer bottom end and the second water sealed tank ontology bottom wall away from
From for 35-45mm.
9. plural serial stage hydrolock water trap according to claim 1, which is characterized in that the first water sealed tank ontology and
The height of the second water sealed tank ontology is 950-1150mm.
10. plural serial stage hydrolock water trap according to claim 1, which is characterized in that the first water sealed tank ontology
Be DN150 stainless steel tube with the second water sealed tank ontology, the second downcomer described in first downcomer be DN40 not
Become rusty steel pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820785966.4U CN208397704U (en) | 2018-05-24 | 2018-05-24 | Plural serial stage hydrolock water trap |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820785966.4U CN208397704U (en) | 2018-05-24 | 2018-05-24 | Plural serial stage hydrolock water trap |
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| Publication Number | Publication Date |
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| CN208397704U true CN208397704U (en) | 2019-01-18 |
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ID=65137653
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2018
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Address after: 455000 intersection of Xiange Avenue and Hengshan Avenue, high tech Zone, Anyang City, Henan Province Patentee after: Henan aierwang new energy and environment Co.,Ltd. Address before: 455000 intersection of Xiange Avenue and Hengshan Avenue, high tech Zone, Anyang City, Henan Province Patentee before: Anyang Aierwang New Energy Environmental Co.,Ltd. |