CN105359659B - Wind-power vacuum alkali reduction apparatus for reclamation of saline and alkaline land and use method of apparatus - Google Patents
Wind-power vacuum alkali reduction apparatus for reclamation of saline and alkaline land and use method of apparatus Download PDFInfo
- Publication number
- CN105359659B CN105359659B CN201510877568.6A CN201510877568A CN105359659B CN 105359659 B CN105359659 B CN 105359659B CN 201510877568 A CN201510877568 A CN 201510877568A CN 105359659 B CN105359659 B CN 105359659B
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- Prior art keywords
- pipe
- alkali
- draining
- draining alkali
- soil
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- 239000003513 alkali Substances 0.000 title claims abstract description 135
- 238000000034 method Methods 0.000 title claims abstract description 21
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title abstract description 4
- 239000011780 sodium chloride Substances 0.000 title abstract description 4
- 239000002689 soil Substances 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000012528 membrane Substances 0.000 claims description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 3
- 238000007596 consolidation process Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000013505 freshwater Substances 0.000 description 8
- 239000003673 groundwater Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000001976 improved effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- ZBMRKNMTMPPMMK-UHFFFAOYSA-N 2-amino-4-[hydroxy(methyl)phosphoryl]butanoic acid;azane Chemical compound [NH4+].CP(O)(=O)CCC(N)C([O-])=O ZBMRKNMTMPPMMK-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B77/00—Machines for lifting and treating soil
-
- 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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
Abstract
The present invention provides a wind-power vacuum alkali reduction apparatus for reclamation of saline and alkaline land and a use method of the apparatus. The technical scheme is characterized in that an alkali removal pipe path is vertically composed of upper layer alkali removal pipes (1.1) and lower layer alkali removal pipes (1.2), each having a control valve (2.1); the upper layer alkali removal pipes (1.1) are arranged between the adjacent lower layer alkali removal pipes (1.2) in a staggered mode in the vertical direction; one end of each of the upper layer alkali removal pipes (1.1) and the lower layer alkali removal pipes (1.2) is connected to a vacuum tube (2); one end part of the vacuum tube (2) is connected to a vacuum pump (2.2); the other end of one of the upper layer alkali removal pipes (1.1) and the lower layer alkali removal pipes (1.2) is connected with a quick connector; and the quick connector is connected to a high-pressure pump through the pipe path, wherein the connection part is provided with an observation well (3) communicating with the ground. The apparatus and method disclosed by the present invention have the beneficial effects that: a structural design is reasonable and practical; the alkali removal efficiency is twice of that of a traditional method for alkali removal; and by using wind energy and solar energy directly as power, the operating cost is lowered, thereby realizing the effect of using green power to modify alkali.
Description
Technical field
The present invention relates to alkaline land improving engineering device technique field, especially a kind of alkaline land improving wind-force vacuum drop alkali device
And its application method.
Background technology
Current alkaline land improving mainly has following several ways and method：1st, soda method, filling row's alkali is pressed using fresh water repeatedly；
2nd, hidden pipe row alkaline process；3rd, water barrier method is laid；4th, chemical amendments；5th, soil moved in improve the original improved method.But the implementation of above method is not
The accumulation of salt in the surface soil can be thoroughly solved the problems, such as, especially higher in level of ground water, the big area of salt content once lacks fresh water, underground saline-alkali water
Position rises, it may appear that soil salinization of soil again, improved effect is poor.
And most of China area soil property it is all harder, gas permeability be unable to reach carried out by the normal pressures of artesian water it is thorough
The condition of bottom overall permeation, in the case of not carrying out also permeating completely, the gravity irrigation water just natural evaporation of earth's surface
, so the effect of row's alkali is not reached in the means that the artesian water fresh water pressure that most of areas use is filled, even if reached being also
Permeated by the long-time of substantial amounts of artesian water, high cost, improved effect is poor.
The content of the invention
It is an object of the invention to provide a kind of alkaline land improving wind-force vacuum drop alkali device and its application method, its technology
Scheme is：Pipe for draining alkali road in the vertical direction is respectively equipped with upper strata Pipe for draining alkali and lower floor's Pipe for draining alkali with control valve, upper strata row's alkali
Pipe is arranged on the vertical direction between lower floor's Pipe for draining alkali adjacent tubes in staggered, upper strata Pipe for draining alkali and lower floor's Pipe for draining alkali
One end is connected with vacuum tube, the end connection vavuum pump of vacuum tube, the other end connection of upper strata Pipe for draining alkali and lower floor's Pipe for draining alkali
There is ready-packaged joint, ready-packaged joint is connected by pipeline with high-pressure pump, wherein junction is provided with the observation well communicated with ground.
Upper strata Pipe for draining alkali and lower floor's Pipe for draining alkali use boa pipe, and the row's of being provided with alkali micropore on boa pipe, in pipe outer wrapping filter membrane.
Its application method comprises the following steps：First salt-soda soil topsoil is flattened, pipe laying groove is excavated by design requirement, buried
Pipe for draining alkali is set in tube seat, and Pipe for draining alkali wraps up filter membrane before burying soil, prevents soil to be lost in row's buck, in adjacent Pipe for draining alkali setting
Lower two-layer, one end of wherein Pipe for draining alkali is connected with vacuum tube, and the end of vacuum tube connects vavuum pump, vavuum pump and power set
Connection, after the completion of Pipe for draining alkali is embedded, deep ploughs to soil, carries out interleaving subsoiling again after drying consolidation, pressure of then pouring water alkali shape
The malleation of paired soil layer, while opening vavuum pump and Pipe for draining alkali vacuumize makes soil layer form negative pressure so that water on to
Under soda, row's alkali are carried out to soil, the other end of Pipe for draining alkali is connected with ready-packaged joint, and ready-packaged joint passes through pipeline and high-pressure pump phase
Connection so that the alluvial high pressure water washing of Pipe for draining alkali and the recoil of filter membrane, strengthens its water penetration, and wherein junction is provided with
The observation well construction communicated with ground.
Beneficial effect of the present invention：Reasonable in design is practical, is the twice of tradition row's alkali mode in row's alkali efficiency, and
Operating cost is reduced directly as power using wind energy, solar energy, the effect that green power changes alkali has been reached, is well suited in wind
The more flourishing area of power, solar energy uses.
Brief description of the drawings
Fig. 1 is Pipe for draining alkali structure top view of the invention；
Fig. 2 is the structural representation between Pipe for draining alkali of the invention.
Specific embodiment
As shown in Figure 1 and Figure 2, a kind of alkaline land improving wind-force vacuum drop alkali device and its application method, are mainly arranged by upper strata
Alkali pipe 1.1, lower floor's Pipe for draining alkali 1.2, vacuum tube 2, control valve 2.1, vavuum pump 2.2 and observation well 3 are constituted；Pipe for draining alkali road is vertical
Upper strata Pipe for draining alkali 1.1 and lower floor's Pipe for draining alkali 1.2 with control valve 2.1 are respectively equipped with direction, upper strata Pipe for draining alkali 1.1 is arranged on down
In staggered on vertical direction between the layer adjacent tubes of Pipe for draining alkali 1.2, upper strata Pipe for draining alkali 1.1 and lower floor's Pipe for draining alkali 1.2
One end is connected with vacuum tube 2, the end of vacuum tube 2 connection vavuum pump 2.2, upper strata Pipe for draining alkali 1.1 and lower floor's Pipe for draining alkali 1.2
The other end is connected with ready-packaged joint, and ready-packaged joint is connected by pipeline with high-pressure pump, and wherein junction is provided with and ground phase
Logical observation well 3.
Present invention process flow：Salt-soda soil topsoil is flattened and deep ploughed first, pipe laying groove is excavated, is set in pipe laying groove
Pipe for draining alkali, Pipe for draining alkali uses boa pipe, opens up draining micropore, in pipe outer wrapping filter membrane, then pipe laying backfill, wherein the one of Pipe for draining alkali
End is connected with vacuum tube, and the end of vacuum tube is connected with vavuum pump, and the vavuum pump other end is connected with power set.Table during operation
Face is poured water the malleation to be formed to soil layer, while opening vavuum pump and Pipe for draining alkali vacuumize makes soil layer form negative pressure, so that
Water from top to bottom carry out row's alkali.
The other end of Pipe for draining alkali is connected with ready-packaged joint, and ready-packaged joint is connected by pipeline with high-pressure pump, wherein connecting
Place is provided with the observation well construction communicated with ground.Pipe for draining alkali is provided with control valve with vacuum tube junction, by controlling valve
Open and close control row's alkali work.Deep ploughing is excavated includes first trench plow, waits that the native reef knot ploughed carries out subsoiling with subsoiling device again.
Power set include wind driven electric plant, photovoltaic power set.
Small-sized will be overflow from row, forced-ventilated controlling pump station owner by vavuum pump, collector pipe, control valve, gravity flow delivery port and forced-ventilated
The mouth of a river is constituted, and effect can be flow automatically or forced-ventilated according to the situation at scene, and phase purpose is given to reach.
Embodiment 1
Topsoil leveling excavation in salt-soda soil there is into pipe laying groove, wherein Pipe for draining alkali road, wherein Pipe for draining alkali is provided with pipe laying groove
Road includes upper row's alkali boa pipe and lower row's alkali boa pipe, its at the middle and upper levels Pipe for draining alkali be arranged on it is vertical between lower floor's Pipe for draining alkali adjacent tubes
It is in staggered on direction, one end of upper Pipe for draining alkali and lower Pipe for draining alkali is connected with vacuum tube, the wherein end connection of vacuum tube
There is vavuum pump, its intermediate pump is connected with power set, when the row's of carrying out alkali works, ground surface carries out the pouring of fresh water, ground
Lower each Pipe for draining alkali is connected with vacuum tube, and vavuum pump is opened, and Pipe for draining alkali is evacuated by vacuum tube, forms negative pressure,
The negative pressure that the malleation and vavuum pump that now gravity of the fresh water on ground with water body in itself is formed are formed makes fresh water progressively permeate
In entering stratum, during saline and alkaline in soil is dissolved in into water while infiltration, then discharged by being provided with the Pipe for draining alkali of micropore, wherein
The design of the Pipe for draining alkali of upper and lower two-layer makes the saline and alkaline of different height to be quickly obtained dilution and dissolve in, when in use, lower row
Alkali pipe can prevent salt content underground water higher from returning to soil with the rising of controlling groundwater level, play the anti-alkali of containment
Effect, upper Pipe for draining alkali is early stage Pipe for draining alkali, after the alkali part on upper strata is diluted first, can close upper strata Pipe for draining alkali, is only opened
Lower floor's Pipe for draining alkali, and the carrying out worked with row's alkali, can be according to specific implementation situation to row's alkali of different zones
Work is adjusted, and can select be turned on and off Pipe for draining alkali by the valve that is arranged between vacuum tube and Pipe for draining alkali, makes point
Block arranges alkali and overall row's alkali is combined the technique effect for having reached reasonable utilization, having economized on resources.The use of double-deck Pipe for draining alkali is outstanding
It is high to amount of salt in groundwater, and level of ground water area high carries out alkaline land improving and serves the effect got twice the result with half the effort, and has given play to
Bigger economic benefit.
Embodiment 2
The observation well being connected with ground is provided with the other end end of Pipe for draining alkali, Pipe for draining alkali can be observed from ground
Working condition, specifically can on the ground observe Pipe for draining alkali whether produce blocking and drainage rate situation, and row alkali
The end of the pipe other end can carry out Pipe for draining alkali cleaning work by setting ready-packaged joint, occur needing to clear up Pipe for draining alkali
During situation about being recoiled with filter membrane, ready-packaged joint is connected with wherein one Pipe for draining alkali end, and ready-packaged joint is by pipeline and height
Press pump is connected, and high pressure washing and filter membrane recoil is carried out to Pipe for draining alkali under the work of high-pressure pump, by the tamper in Pipe for draining alkali
Wash open, it is ensured that the drainage capacity of the unobstructed and filter membrane of pipeline, because ready-packaged joint is dismountable, need to carry out in Pipe for draining alkali
Installed when cleaning, it is not necessary to when removed, many pipelines only need to a hydraulic quick coupler and a high pressure
Pump can complete cleaning work, cost-effective, simple and convenient.
Embodiment 3
The present invention carries out smooth and deep plough to soil first in the early stage of stringing, and carries out work of loosening the soil by ridge buster,
The main purpose loosened the soil be destroy soil consolidation structure, soil is increased gas permeability, carry out fresh water malleation pouring when
Wait the work of the row's of being easier to alkali.
The present invention has reached and has not needed substantial amounts of freshwater resources by negative pressure and the double action of malleation, it is not required that long
Row's alkali process of time can just reach the effect of improvement, and one is at least shortened than traditional row's alkali mode on row's alkali cycle
Year, most positive effect is reached then, Second Year, up to optimum efficiency, is traditional twice for arranging alkali mode in row's alkali efficiency, and
And wind-force is larger, the more areas of solar energy resources reduce operating cost using wind energies and solar energy directly as power,
The effect that green power changes alkali is reached, has been well suited for being used in the more flourishing area of wind-force, photovoltaic, reduces cost.
Claims (2)
1. alkali device drops in a kind of alkaline land improving wind-force vacuum, it is characterised in that：Pipe for draining alkali road in the vertical direction is respectively equipped with
Band valve（2.1）Upper strata Pipe for draining alkali（1.1）With lower floor's Pipe for draining alkali（1.2）, upper strata Pipe for draining alkali（1.1）It is arranged on lower floor's Pipe for draining alkali
（1.2）It is in staggered, upper strata Pipe for draining alkali on vertical direction between adjacent tubes（1.1）One end and lower floor's Pipe for draining alkali
（1.2）One end and vacuum tube（2）It is connected, vacuum tube（2）End connection vavuum pump（2.2）, upper strata Pipe for draining alkali（1.1）'s
The other end and lower floor's Pipe for draining alkali（1.2）The other end be connected with ready-packaged joint, ready-packaged joint is connected by pipeline with high-pressure pump,
Ready-packaged joint is provided with the observation well communicated with ground by pipeline and the junction of high-pressure pump（3）, the upper strata Pipe for draining alkali
（1.1）With lower floor's Pipe for draining alkali（1.2）Boa pipe, and the row's of being provided with alkali micropore on boa pipe are used, in pipe outer wrapping filter membrane.
2. the application method of alkali device drops in a kind of alkaline land improving wind-force vacuum according to claim 1, it is characterised in that：
Its application method comprises the following steps：First salt-soda soil topsoil is flattened, pipe laying groove is excavated by design requirement, set in pipe laying groove
Pipe for draining alkali is put, Pipe for draining alkali wraps up filter membrane before burying soil, prevents soil to be lost in row's buck, adjacent Pipe for draining alkali sets upper and lower two-layer,
One end of wherein Pipe for draining alkali is connected with vacuum tube, and the end connection vavuum pump of vacuum tube, vavuum pump is connected with power set, arranges
After the completion of alkali pipe is embedded, soil is deep ploughed, carry out interleaving subsoiling again after drying consolidation, pressure of then pouring water alkali is formed to soil layer
Malleation, while open vavuum pump Pipe for draining alkali vacuumize make soil layer formed negative pressure so that water is from top to bottom to soil
Soda, row's alkali are carried out, the other end of Pipe for draining alkali is connected with ready-packaged joint, and ready-packaged joint is connected by pipeline with high-pressure pump, is made
The recoil of the alluvial high pressure water washing and filter membrane of Pipe for draining alkali is obtained, strengthens its water penetration, wherein junction is provided with and ground
The observation well construction for communicating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510877568.6A CN105359659B (en) | 2015-12-04 | 2015-12-04 | Wind-power vacuum alkali reduction apparatus for reclamation of saline and alkaline land and use method of apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510877568.6A CN105359659B (en) | 2015-12-04 | 2015-12-04 | Wind-power vacuum alkali reduction apparatus for reclamation of saline and alkaline land and use method of apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105359659A CN105359659A (en) | 2016-03-02 |
| CN105359659B true CN105359659B (en) | 2017-05-24 |
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| CN201510877568.6A Active CN105359659B (en) | 2015-12-04 | 2015-12-04 | Wind-power vacuum alkali reduction apparatus for reclamation of saline and alkaline land and use method of apparatus |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107439077A (en) * | 2017-06-23 | 2017-12-08 | 福建省春天生态科技股份有限公司 | A kind of method of cell salt-soda soil comprehensive improvement |
| CN108040524B (en) * | 2017-12-11 | 2021-03-30 | 北京绿京华生态园林股份有限公司 | Soil improvement method |
| CN109121516A (en) * | 2018-11-05 | 2019-01-04 | 山东乾舜水土治理科技有限公司 | A kind of salt-soda soil comprehensive improvement system of salt discharge and reduction controlling groundwater level |
| CN111567176B (en) * | 2020-05-14 | 2022-04-12 | 天津市方正建设监理有限公司 | Saline-alkali soil greening improvement method |
| CN113950884B (en) * | 2021-09-27 | 2023-02-17 | 江苏大学 | System for accelerating soil salt washing and water drainage based on negative pressure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100473271C (en) * | 2005-08-03 | 2009-04-01 | 东营金川水土环境工程有限公司 | System engineering method for modifying alkaline land by use of pipe drainage method |
| CN103460843B (en) * | 2013-08-29 | 2015-06-24 | 青岛农业大学 | Quick saline-alkali land desalting system method by means of concealed-tube irrigation and drainage |
| CN103548440B (en) * | 2013-11-19 | 2015-09-23 | 中国科学院新疆生态与地理研究所 | Hair row formula pipe drainage method under a kind of shallow embedding condition |
| CN205142817U (en) * | 2015-12-04 | 2016-04-13 | 东营乾舜农业开发有限公司 | Alkali device falls in saline soil reclamation wind -force vacuum |
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Inventor after: Gai Junshan Inventor after: Gai Zhipeng Inventor before: Gai Junshan Inventor before: Gai Zhipeng |
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Effective date of registration: 20191028 Address after: 257000 Dongying City, Shandong Province, Yellow River Delta Agricultural High-tech Industrial Demonstration Zone, north of Weisi Road and east of Jingyi Road Patentee after: SHANDONG QIANSHUN SOIL AND WATER TREATMENT TECHNOLOGY Co.,Ltd. Address before: 702, room 52, finance building, 257091 front street, Dongying, Shandong Patentee before: DONGYING QIANSHUN AGRICULTURAL DEVELOPMENT Co.,Ltd. |
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Denomination of invention: The utility model relates to a vacuum alkali reducing device for improving saline alkali soil and its use method Effective date of registration: 20201016 Granted publication date: 20170524 Pledgee: Dongying rural commercial bank Limited by Share Ltd. Dongcheng sub branch Pledgor: SHANDONG QIANSHUN SOIL AND WATER TREATMENT TECHNOLOGY Co.,Ltd. Registration number: Y2020980006869 |
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Date of cancellation: 20211109 Granted publication date: 20170524 Pledgee: Dongying rural commercial bank Limited by Share Ltd. Dongcheng sub branch Pledgor: SHANDONG QIANSHUN SOIL AND WATER TREATMENT TECHNOLOGY Co.,Ltd. Registration number: Y2020980006869 |
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Denomination of invention: The invention relates to an improved wind vacuum alkali reducing device for saline alkali land and an application method thereof Effective date of registration: 20220331 Granted publication date: 20170524 Pledgee: Dongying rural commercial bank Limited by Share Ltd. Dongcheng sub branch Pledgor: SHANDONG QIANSHUN SOIL AND WATER TREATMENT TECHNOLOGY Co.,Ltd. Registration number: Y2022980003796 |
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Denomination of invention: A wind vacuum alkali reducing device for improving saline alkali land and its usage method Effective date of registration: 20230328 Granted publication date: 20170524 Pledgee: Dongying rural commercial bank Limited by Share Ltd. Dongcheng sub branch Pledgor: SHANDONG QIANSHUN SOIL AND WATER TREATMENT TECHNOLOGY Co.,Ltd. Registration number: Y2023980036774 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20170524 Pledgee: Dongying rural commercial bank Limited by Share Ltd. Dongcheng sub branch Pledgor: SHANDONG QIANSHUN SOIL AND WATER TREATMENT TECHNOLOGY Co.,Ltd. Registration number: Y2023980036774 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |