CN104724829A - Movable sewage purification treatment device in artificial wetland - Google Patents
Movable sewage purification treatment device in artificial wetland Download PDFInfo
- Publication number
- CN104724829A CN104724829A CN201510062434.9A CN201510062434A CN104724829A CN 104724829 A CN104724829 A CN 104724829A CN 201510062434 A CN201510062434 A CN 201510062434A CN 104724829 A CN104724829 A CN 104724829A
- Authority
- CN
- China
- Prior art keywords
- processing tank
- treatment unit
- artificial swamp
- prosopyle
- treatment box
- 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.)
- Granted
Links
- 238000011282 treatment Methods 0.000 title claims abstract description 39
- 239000010865 sewage Substances 0.000 title claims abstract description 25
- 238000000746 purification Methods 0.000 title abstract 3
- 239000000758 substrate Substances 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000006260 foam Substances 0.000 claims abstract description 12
- 239000011159 matrix material Substances 0.000 claims description 32
- 206010058109 Hangnail Diseases 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 10
- 210000003739 neck Anatomy 0.000 abstract 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000003911 water pollution Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 244000005700 microbiome Species 0.000 description 5
- 238000004065 wastewater treatment Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/008—Mobile apparatus and plants, e.g. mounted on a vehicle
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Biodiversity & Conservation Biology (AREA)
- Biological Treatment Of Waste Water (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention provides a movable sewage purification treatment device in an artificial wetland. The movable sewage purification treatment device comprises a water inlet funnel, a treatment box, a substrate plate, a collecting box and a buoyancy foam board, wherein the treatment box is a cuboid, a water inlet hole is formed in a tail end or an initial end close to a top edge on a side surface of the treatment box, and the water inlet funnel is connected with the treatment box by virtue of the water inlet hole; the substrate plate is fixed in the treatment box by virtue of necks arranged on side walls of the treatment box; the collecting box is positioned at the bottom of the treatment box and is communicated with the treatment box; and the top edges of the two side surfaces provided with the necks of the treatment box are connected with the buoyancy foam board. The device provided by the invention is simple and reasonable in structure and has the characteristics that the substrate plate is convenient to replace and clean and cannot be blocked easily; and the water flow can be controlled to pass through different substrate components repeatedly, thereby enhancing the treatment effect.
Description
Technical field
The invention belongs to water pollutions processing technology field, be specifically related to the treatment unit of movable purifying sewage in a kind of artificial swamp.
Background technology
Artificial swamp is the ground similar with swampland by artificial construction and controlling run, sewage, mud there is the dosing of control on the artificial wetland built, sewage and mud are in the process flowed in a certain direction, mainly utilize soil, artificial dielectric, plant, the physics of microorganism, chemistry, biological triple synergy, to a kind of technology that sewage, mud process.Its mechanism of action comprises absorption, delay, filtration, redox, precipitation, microbial decomposition, conversion, plant are covered, the effect of residue accumulated, water transpiration and nutrition absorption and all kinds of animal.Artificial swamp is a kind of Novel sewage treatment process that 20 century 70s grow up, constructed wetland waste water treatment technology has that treatment effect is good, removal efficiency of nitrogen and phosphorus is high, during-operation service is convenient, engineering capital construction and the advantage such as running expense is low, is thus widely applied to sanitary sewage disposal, Industrial Waste Water Treatments with, mine and oil production, agriculture point source and pollution of area source and body eutrophication issue handling.
In artificial swamp, matrix plays very important effect, as suspended solid in adsorption and sedimentation water body, decomposes some organic pollutants etc. by substrate microorganism.At present, vertical subsurface flow wetland is and makes full use of matrix and the water pollutions treatment technology grown up.But existing matrix Land use systems often runs into some problems: the substrate location in vertical subsurface flow wetland is fixed, can not process according to the actual pollution condition of Regional Water Environment; Vertical subsurface flow wetland different substrates component distribution relatively fixing, regulate different substrates relative position and ratio more difficult; Vertical subsurface flow wetland substrate clogging issue handling difficulty; The power of vertical subsurface flow wetland matrix treatments water pollutions is gravity, and treatment effect is limited.
Summary of the invention
The present invention is directed to the defect that existing vertical subsurface flow wetland matrix treatments water pollutions technology exists, the treatment unit of movable purifying sewage in a kind of artificial swamp is proposed, this apparatus structure is reasonable, practical, by the work for the treatment of regulating matrix substrate can meet different sewage, and there is the feature of easy to clean.
The present invention realizes especially by following technical scheme:
The treatment unit of movable purifying sewage in a kind of artificial swamp, comprise influent hopper, processing tank, matrix substrate, disposable box and buoyant foam plate, wherein said processing tank is rectangular parallelepiped, processing tank one side is provided with prosopyle near the end of top margin or top place, and described influent hopper is connected with processing tank by prosopyle; Described matrix substrate is fixed in processing tank by the draw-in groove that processing tank sidewall is arranged; Described disposable box is positioned at bottom processing tank, and with processing tank UNICOM; The two sides top margin that described processing tank is provided with draw-in groove is connected with buoyant foam plate.
The treatment unit of movable purifying sewage in artificial swamp of the present invention, the corresponding surface being provided with side, prosopyle is provided with posticum, and described posticum is positioned at end or the top place on this base, side close.
Matrix substrate of the present invention is parallel with the side being provided with prosopyle or posticum.
Influent hopper internal orifice diameter of the present invention and prosopyle diameter match, and collar extension plane and internal orifice plane angle at 45 °, influent hopper internal surface is also furnished with the hangnail of eccentric pattern.
Matrix substrate of the present invention is that fixed frame is formed fixing for two woven wires, leaves gap for adding matrix between woven wire.
In artificial swamp of the present invention, the treatment unit of movable purifying sewage also comprises fixed leg and wind turbine fan, described fixed leg is hollow structure, parallelly be fixed on processing tank side, posticum place is positioned at bottom fixed leg, top is higher than processing tank top margin, described wind turbine fan is installed on fixed leg top, for providing mobilization dynamic for posticum, accelerates the circulation of processing tank current.
In artificial swamp of the present invention, the treatment unit of movable purifying sewage is placed on the lower air port of polluted waters in use, water-in is towards water (flow) direction, and results of regular determination intake-outlet water quality, observe the absorption situation of solid pollutant in matrix substrate, timely replacing matrix substrate, with matrix substrate combination to find best wastewater treatment efficiency.
Beneficial effect of the present invention is: 1) this device can change position to process water pollutions better; 2) apparatus of the present invention can regulate different substrates relative position and ratio as required, find best wastewater treatment efficiency; 3) compare existing vertical subsurface flow wetland substrate clogging issue handling difficulty, and this matrix substrate replacing cleaning is all more convenient, not easily blockage phenomenon; 4) power of vertical subsurface flow wetland matrix treatments water pollutions is gravity, and treatment effect is limited, and the power of this matrix substrate can according to circumstances be set as current, wind-force and sun power etc., can enhancement process effect; 5) repacking is put controllable flow and is repeated by different substrates component, enhancement process effect; 6) this device can add different substrates as required and reaches processing intent in matrix substrate, flexibly freely.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is the structural representation of apparatus of the present invention influent hopper;
Indicate in accompanying drawing and illustrate: 1 disposable box, 2 processing tankes, 3 influent hoppers, 4 prosopyles, 5 buoyant foam plates, 6 matrix substrates, 7 fixed legs, 8 wind turbine fans, 9 posticums.
Embodiment
Below in conjunction with drawings and Examples, explanation is further explained to the treatment unit of movable purifying sewage in artificial swamp of the present invention.
As shown in Figure 1, the treatment unit of movable purifying sewage in a kind of artificial swamp, comprises influent hopper 3, processing tank 2, matrix substrate 6, disposable box 1 and buoyant foam plate 5.
Wherein processing tank 2 is rectangular parallelepiped, and processing tank 2 one side is provided with prosopyle 4 near one end of top margin, and the corresponding surface of side, prosopyle 4 is provided with posticum 9, and posticum 9 is positioned at the one end near this base, side.Influent hopper 3 is connected with processing tank 2 by prosopyle 4, and influent hopper 3 internal orifice diameter and prosopyle 4 diameter match, and collar extension plane and internal orifice plane angle at 45 °, influent hopper 3 internal surface is also provided with hangnail, and hangnail curl arranges.The draw-in groove that matrix substrate 6 is arranged by processing tank 2 sidewall is fixed in processing tank 2, and matrix substrate 6 is parallel with the side being provided with prosopyle 4 or posticum 9, and this matrix substrate can be installed multiple as required.Disposable box 1 is positioned at bottom processing tank 2, and with processing tank 2 UNICOM; The two sides top margin that processing tank 2 is provided with draw-in groove is connected with buoyant foam plate 5.
In this artificial swamp, the treatment unit of movable purifying sewage also comprises fixed leg 7 and wind turbine fan 8, described fixed leg 7 is hollow structure, parallelly be fixed on processing tank 2 side, posticum place 4 is positioned at bottom fixed leg 7, top is higher than processing tank 2 top margin, and described wind turbine fan 8 is installed on fixed leg 7 top.
The each component specification of this device is as follows:
Influent hopper: collar extension diameter 200mm, internal orifice (water-in) diameter 50mm.Bucket wall there is bayonet fittings, interior mouthpiece net, mesh 10mm.
Processing tank: front apron is aluminium alloy, is of a size of 1000 × 400 × 2 (long × high × thick, mm), apart from top 100mm, has diameter to be the water-in of 50mm apart from left side 200mm; Rear deflector door is aluminium alloy, and be of a size of 1000 × 400 × 2 (long × high × thick, mm), there is water outlet (50mm) in the lower right corner, distance lower end 50mm, right-hand member 100mm; Left baffle is aluminium alloy, is of a size of 1000 × 400 × 2 (long × high × thick, mm).Respectively having 3 width is the groove of 30mm, for fixed base scutum, is increase composite base scutum length, several groups can be coupled together use, and now, left baffle is replaceable is tool hole baffle plate (3 holes arranged vertically, diameter is 10mm).
Disposable box: be of a size of 1000 × 200 × 150 (long × wide × high, mm), without upper cover.
Wind turbine is fanned: organic plastics, interior wheel diameter 50mm, the long 150mm of flabellum, wide 30mm.The axle of power fan is long 600mm, and diameter is the plastic conduit of 10mm.
Fixed leg: the aluminum alloy flat tube of size 500 × 60 × 20 (high × wide × thick, mm), hollow, wall thickness 2mm.
Matrix substrate: be of a size of 1000 × 30 × 400 (long × wide × high, mm), two walls be all embedded with the woven wire of aperture 2mm.
Buoyant foam plate: rigid foam, is of a size of 200 × 200 × 20 (long × wide × thick, mm).The left and right sides all needs to install.
This device can also install substrate microorganism case and buoyancy sealing plate simultaneously, substrate microorganism case can be fixed in matrix substrate according to certain way, buoyancy sealing plate can be arranged on the centre of two buoyant foam plates according to demand, the casing that each element is formed and air exclusion.
This device is enhancement process effect, can get up to use by several groups of composite joints, and now rear deflector door is replaceable is tool hole rear deflector door (9 × 3, long × height, diameter 10mm).
This device workflow is: 1) installed according to above-mentioned assembly drawing by each element; 2) influent hopper is arranged on water-in in the mode of the next mouth; 3) mounted composite base scutum is placed on the lower air port of polluted waters, water-in is towards water (flow) direction (consistent with wind direction); 4) results of regular determination intake-outlet water quality, observes the absorption situation of solid pollutant in matrix substrate, changes matrix substrate in time; 5) combination of different substrates plate is set to find best wastewater treatment efficiency; 6) add different substrates microorganism, find best biological reinforced Nitrogen/Phosphorus Removal; 7) by several groups of composite base scutum combinations, lengthen or thicken, to reach the object of enhancement process effect.
The above embodiment is only further illustrate of the present invention; not other forms of restriction is done to the present invention; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claims in the present invention.
Claims (6)
1. the treatment unit of movable purifying sewage in an artificial swamp, it is characterized in that: comprise into disposable box (1), processing tank (2), water funnel (3), buoyant foam plate (5) and matrix substrate (6), it is characterized in that: described disposable box (1) be positioned at processing tank (2) bottom, and with processing tank (2) UNICOM; Described processing tank (2) is rectangular parallelepiped, processing tank (2) one side is provided with prosopyle (4) near the end of top margin or top place, and described influent hopper (3) is connected with processing tank (2) by prosopyle (4); Described matrix substrate (6) is fixed in processing tank (2) by the draw-in groove that processing tank (2) sidewall is arranged; The two sides top margin that described processing tank (2) is provided with draw-in groove is connected with buoyant foam plate (5).
2. the treatment unit of movable purifying sewage in a kind of artificial swamp according to claim 1, it is characterized in that: the corresponding surface that described treatment unit is provided with prosopyle (4) side is provided with posticum (9), posticum (9) is positioned at end or the top place on this base, side close.
3. the treatment unit of movable purifying sewage in a kind of artificial swamp according to claim 1, is characterized in that: described matrix substrate (6) is parallel with the side being provided with prosopyle (4) or posticum (9).
4. the treatment unit of movable purifying sewage in a kind of artificial swamp according to claim 1, it is characterized in that: described influent hopper (3) internal orifice diameter and prosopyle (4) diameter match, collar extension plane and internal orifice plane angle at 45 °, influent hopper (3) internal surface is furnished with the hangnail of eccentric pattern.
5. the treatment unit of movable purifying sewage in a kind of artificial swamp according to claim 1, is characterized in that: described matrix substrate (6) is formed fixing for two woven wires for fixed frame, leaves gap for adding matrix between woven wire.
6. the treatment unit of movable purifying sewage in a kind of artificial swamp according to claim 1, it is characterized in that: this device also comprises fixed leg (7) and wind turbine fan (8), described fixed leg (7) is hollow structure, parallelly be fixed on processing tank (2) side, fixed leg (7) bottom is positioned at posticum (4) place, top is higher than processing tank (2) top margin, and described wind turbine fan (8) is installed on fixed leg (7) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510062434.9A CN104724829B (en) | 2015-02-06 | 2015-02-06 | The processing unit of movable purifying sewage in a kind of artificial swamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510062434.9A CN104724829B (en) | 2015-02-06 | 2015-02-06 | The processing unit of movable purifying sewage in a kind of artificial swamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104724829A true CN104724829A (en) | 2015-06-24 |
| CN104724829B CN104724829B (en) | 2017-07-21 |
Family
ID=53449330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510062434.9A Expired - Fee Related CN104724829B (en) | 2015-02-06 | 2015-02-06 | The processing unit of movable purifying sewage in a kind of artificial swamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104724829B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005137956A (en) * | 2003-11-04 | 2005-06-02 | Aqua Plant Service:Kk | Floating water purifier |
| CN1811073A (en) * | 2006-03-02 | 2006-08-02 | 河海大学 | Floating ecological bank protecting method and medium carrier |
| CN1994918A (en) * | 2006-12-08 | 2007-07-11 | 华中科技大学 | Filler modularized artificial wetland |
| CN101514054A (en) * | 2009-03-30 | 2009-08-26 | 同济大学 | Combined ecological floating bed device |
-
2015
- 2015-02-06 CN CN201510062434.9A patent/CN104724829B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005137956A (en) * | 2003-11-04 | 2005-06-02 | Aqua Plant Service:Kk | Floating water purifier |
| CN1811073A (en) * | 2006-03-02 | 2006-08-02 | 河海大学 | Floating ecological bank protecting method and medium carrier |
| CN1994918A (en) * | 2006-12-08 | 2007-07-11 | 华中科技大学 | Filler modularized artificial wetland |
| CN101514054A (en) * | 2009-03-30 | 2009-08-26 | 同济大学 | Combined ecological floating bed device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104724829B (en) | 2017-07-21 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20211201 Address after: 276000 east of 88m road to the south of Lanling No. 7 middle school, Lanling County Economic Development Zone, Linyi City, Shandong Province Patentee after: Shandong Shengyang Rubber Plastic Co.,Ltd. Address before: 276005 middle section of Shuangling Road, Lanshan District, Linyi City, Shandong Province Patentee before: LINYI University |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A mobile sewage purification treatment device in Constructed Wetland Effective date of registration: 20211210 Granted publication date: 20170721 Pledgee: Industrial and Commercial Bank of China Limited Lanling sub branch Pledgor: Shandong Shengyang Rubber Plastic Co.,Ltd. Registration number: Y2021980014615 |
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Granted publication date: 20170721 |
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| CF01 | Termination of patent right due to non-payment of annual fee |