CN209299684U - A kind of salt-soda soil comprehensive improvement system of salt discharge and reduction controlling groundwater level - Google Patents
A kind of salt-soda soil comprehensive improvement system of salt discharge and reduction controlling groundwater level Download PDFInfo
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- CN209299684U CN209299684U CN201821811854.8U CN201821811854U CN209299684U CN 209299684 U CN209299684 U CN 209299684U CN 201821811854 U CN201821811854 U CN 201821811854U CN 209299684 U CN209299684 U CN 209299684U
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- alkali
- draining alkali
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- 239000002689 soil Substances 0.000 title claims abstract description 57
- 150000003839 salts Chemical class 0.000 title claims abstract description 39
- 239000003673 groundwater Substances 0.000 title claims abstract description 34
- 230000006872 improvement Effects 0.000 title claims abstract description 21
- 230000009467 reduction Effects 0.000 title abstract description 13
- 239000003513 alkali Substances 0.000 claims abstract description 92
- 230000000694 effects Effects 0.000 abstract description 13
- 238000013461 design Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 23
- 238000005457 optimization Methods 0.000 description 12
- 230000008020 evaporation Effects 0.000 description 9
- 238000001704 evaporation Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000009194 climbing Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
A kind of salt-soda soil comprehensive improvement system of salt discharge and reduction controlling groundwater level, including being located at the Pipe for draining alkali on upper layer and positioned at the collector pipe of lower layer, connection is realized by the intermediate pipe that is vertically connected between the Pipe for draining alkali and collector pipe, the pipe that is vertically connected with quickly is connect by threeway fast joint with Pipe for draining alkali and collector pipe realization, the Pipe for draining alkali on the upper layer is that multiple Pipe for draining alkali being disposed in parallel relation to one another form side by side, the collector pipe of the lower layer is made of side by side multiple collector pipes being disposed in parallel relation to one another, angle between the collector pipe of the upper layer Pipe for draining alkali and lower layer is 0 ° -90 °, the backwash fast joint that backwash is realized to Pipe for draining alkali is additionally provided on the upper layer Pipe for draining alkali, it is connected after uniformly summarizing between lower layer's collector pipe with vacuum well, the system passes through the double-deck different tube diameters, row's alkali of different spacing Pipe design not only realizes the effect of salt discharge, but also can play the role of reduction and controlling groundwater level.
Description
Technical field
The utility model relates to alkaline land improving technical fields, are specifically exactly a kind of salt discharge and reduce control underground water
The salt-soda soil comprehensive improvement system of position.
Background technique
The more soil of many inorganic salts amounts in China, referred to as salt-soda soil, the plantation of improper crops are arranged
It is just able to achieve the plantations of crops after salt improvement, accounts for about 5% or so using soil through rough estimates whole nation salt-soda soil, about 500,000,000
Mu, plays an important role to the development of agricultural economy.
The Crack cause in salt-soda soil is very clear, the Northern Hemisphere of the Chinese position earth, and salt-soda soil is predominantly located at the north of China,
Since the precipitation in the north differs larger with evaporation capacity, northern precipitation is relatively fewer, along with evaporation capacity is greater than precipitation, makes
At the moisture evaporation in soil, salinity stayed in soil, and underground water is due to capillarity uplink, and contained salinity is in soil in water
In gather, formed salt-soda soil.
The modification method in current salt-soda soil is more, mainly includes following several, physical method: being subtracted by big hydraulic pressure, covered
Film reduces evaporation, subsoiling destroys capillary and reduces underground water rising；Chemical method: basicity or use are reduced using neutralizer
Organic fertilizer；Bioanalysis: selection salt tolerant crop, repeatedly plantation reduces saline and alkaline, uses the microorganism of salt reduction；Hidden pipe salt discharge method,
Salt-soda soil is laid with porose pipeline, and the salinity in salt-soda soil is discharged；There is certain lack in the method for above-mentioned various improvement
It falls into, it is at high cost, it is be easy to cause secondary pollution, and palliative, causes alkaline land improving that can only realize salt discharge effect in short term,
It can not achieve and level of ground water is effectively controlled, prevent capillary from climbing phenomenon, to aggravate the formation in salt-soda soil, instead
The row's of progress alkali increases cost again, can't achieve the effect that the betterment of land.
Summary of the invention
The purpose of this utility model is to provide the salt-soda soil comprehensive improvement systems of a kind of salt discharge and reduction controlling groundwater level
System, the system pass through the double-deck different tube diameters, and the Pipe for draining alkali road design of different spacing is realized for level of ground water height, salt content
Height, effective improvement in the few arid salt-soda soil of precipitation, not only realizes the effect of salt discharge, but also can play reduction and control
The effect of level of ground water.
The technical solution adopted by the utility model to solve its technical problems is that: a kind of salt discharge and reduce controlling groundwater level
Salt-soda soil comprehensive improvement system, including be located at upper layer Pipe for draining alkali and positioned at the collector pipe of lower layer, the Pipe for draining alkali and collection
Connection is realized by the intermediate pipe that is vertically connected between water pipe, it is described be vertically connected with pipe by threeway fast joint and Pipe for draining alkali and
Collector pipe realizes quickly connection, and the Pipe for draining alkali on the upper layer is that multiple Pipe for draining alkali being disposed in parallel relation to one another form side by side, described
The collector pipe of lower layer be made of side by side multiple collector pipes being disposed in parallel relation to one another, the collection of the upper layer Pipe for draining alkali and lower layer
Angle between water pipe is 0 ° -90 °, and the backwash that backwash is realized to Pipe for draining alkali is additionally provided on the upper layer Pipe for draining alkali
Fast joint, after uniformly summarizing between lower layer's collector pipe with vacuum well connection.
As optimization, the Pipe for draining alkali on the upper layer is made up of multiple short circuit Pipe for draining alkali fast joint connection.
As optimization, equally distributed row's alkali hole is provided on the Pipe for draining alkali on the upper layer.
As optimization, equally distributed gully-hole is provided on the collector pipe of the lower layer.
As optimization, the outer layer of the collector pipe of the Pipe for draining alkali and lower layer on the upper layer is provided with filter layer.
As optimization, the spacing between the Pipe for draining alkali on the upper layer is less than the spacing between lower layer's collector pipe.
As optimization, the improvement system further includes the stalk that upper layer Pipe for draining alkali upper end is arranged in and is located at saline and alkaline surface layer
Layer.
The beneficial effects of the utility model are: compared with prior art, a kind of salt discharge and reduction of the utility model control
The salt-soda soil comprehensive improvement system of level of ground water, by being laid with two layers of pipeline in salt-soda soil, upper layer is that Pipe for draining alkali lower layer is collection
Water pipe, upper layer, which is realized, acts on row's alkali in salt-soda soil, and lower layer realizes that the reduction to level of ground water controls, and prevents the ground in salt-soda soil
It being lauched and capillary occurs and climb phenomenon, effectively prevent after level of ground water increases, level of ground water is climbed upwards, lowering of watertable,
The effective long-term control for the level of ground water realized simultaneously guarantees that upper layer Pipe for draining alkali to the effect of salt-soda soil salt discharge, is prevented by row
Salt-soda soil after alkali forms salt-soda soil again, the salt content in effectively long-term control soil, while guaranteeing that level of ground water will not surpass
The height for crossing lower layer's collector pipe realizes the control of level of ground water.
Detailed description of the invention
Fig. 1 is the utility model overall construction drawing；
Wherein, 1 Pipe for draining alkali, 2 collector pipes, 3 are vertically connected with head, 4 threeway fast joints, 5 backwash fast joints, 6 vacuum wells, 7
Fast joint.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit the range of claimed invention,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, belongs to the model of the utility model protection
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The invention product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and simplification retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.It is retouched in addition, term " first ", " second ", " third " etc. are only used for distinguishing
It states, is not understood to indicate or imply relative importance.
A kind of salt-soda soil comprehensive improvement system of salt discharge and reduction controlling groundwater level, the Pipe for draining alkali 1 including being located at upper layer
With the collector pipe 2 for being located at lower layer, connection is realized by the intermediate pipe 3 that is vertically connected between the Pipe for draining alkali 1 and collector pipe 2,
The pipe 3 that is vertically connected with realizes quick connection, the row on the upper layer by threeway fast joint 4 and Pipe for draining alkali 1 and collector pipe 2
Alkali pipe 1 is that multiple Pipe for draining alkali 1 being disposed in parallel relation to one another form side by side, and the collector pipe 2 of the lower layer is by multiple parallel to each other
The collector pipe 2 of setting forms side by side, and the angle between the Pipe for draining alkali 1 on the upper layer and the collector pipe 2 of lower layer is 0 ° -90 °,
The backwash fast joint 5 that backwash is realized to Pipe for draining alkali 1 is additionally provided on the upper layer Pipe for draining alkali 1, the lower layer catchments
It is connected after uniformly summarizing between pipe 2 with vacuum well 6.
In embodiment described in Fig. 1, the soil horizon in salt-soda soil is laid with two layers of pipeline, and upper layer is Pipe for draining alkali lower layer
It is collector pipe, realizes connection, the collector pipe of lower layer by being vertically connected with pipe between the Pipe for draining alkali on upper layer and the collector pipe of lower layer
It is connect again with vacuum well after uniformly summarizing, the effect of forced-ventilated may be implemented by vacuum well, the row's of being provided with alkali on the Pipe for draining alkali on upper layer
The effect of forced-ventilated alkali is realized in hole by the row alkali hole on Pipe for draining alkali, and the salt content in soil enters Pipe for draining alkali by arranging alkali hole, then
Enter vacuum well by collector pipe, be also equipped with ponding hole on the collector pipe of lower layer, lower layer's pipe diameter of catchmenting is greater than the row on upper layer
Alkali pipe, lower layer's collector pipe realizes the effect catchmented, when level of ground water rises to the position of collector pipe, by opening up on collector pipe
Gully-hole, realize collection to underground water, under the action of vacuum is suppressed, underground water is entered in water inlet pipe by gully-hole
Portion flows into inside vacuum well after being collected by collector pipe, realizes the centralized collection of underground water, level of ground water passes through after rising
The collector pipe of lower layer realizes control, and when level of ground water is more than the height of collector pipe, passes through collector pipe and realize level of ground water
It reduces, it is therefore prevented that the capillary of soil moisture is climbed phenomenon, also just effectively prevents the evaporation of soil moisture, while in moisture
Salt content can also reduce, realize level of ground water it is effective control after, realize the effect of long-term salt discharge, it is therefore prevented that due to underground
Water level rise caused by underground water excessive evaporation, fundamentally realize the effect of salt discharge, improve alkaline land improving at
Power.
As optimization, the Pipe for draining alkali 1 on the upper layer is made up of multiple short circuit Pipe for draining alkali the connection of fast joint 7.
As optimization, equally distributed row's alkali hole is provided on the Pipe for draining alkali 1 on the upper layer.
As optimization, equally distributed gully-hole is provided on the collector pipe 2 of the lower layer.
As optimization, the outer layer of the collector pipe 2 of the Pipe for draining alkali 1 and lower layer on the upper layer is provided with filter layer.
It is anti-by filter membrane in the filter membrane of the external sheath plant fiber or change Fiber Materials of Pipe for draining alkali and collector pipe
Only the impurity in soil or solid particle enter in Pipe for draining alkali and collector pipe, prevent line clogging, while realizing to pipeline
The effect of protection prevents from generating abrasion to pipeline in an installation.
As optimization, the spacing between the Pipe for draining alkali 1 on the upper layer is less than the spacing between lower layer's collector pipe 2.
The Pipe for draining alkali caliber on upper layer is thinner, and the spacing between pipeline is smaller, and lower layer's collector pipe is to lower controlling groundwater level Pipeline, pipeline is thicker, and pipeline enclosure is away from larger, in order to reduce cost, it can be to be disposed in parallel relation to one another between upper layer and lower layer pipeline,
It can be orthogonal setting, be also possible to that pipeline can be carried out according to the actual size area in soil in 0-90 ° of angle setting
Laying.
Between the Pipe for draining alkali of upper layer for be disposed in parallel relation to one another short circuit Pipe for draining alkali connection composition, by multiple short circuit Pipe for draining alkali it
Between setting fast joint realize Fast Installation connection, be also multiple short circuit collector pipe connection groups parallel to each other between lower layer's collector pipe
At, between multiple short circuit collector pipes by end connector realize quickly connection, pass through between upper layer Pipe for draining alkali and lower layer's collector pipe
Tee connector realizes high-speed communication, and the spacing between upper layer and lower layer pipeline continues to install according to actual needs, and lower layer catchments
Pipe is connect with vacuum well again after uniformly summarizing, and is vacuumized by vacuum pump, realizes the forced-ventilated effect of Pipe for draining alkali, and vacuum well is by salt water
It is collected processing after unified recycling, prevents from forming pollution again.
As optimization, the improvement system further includes the straw that 1 upper end of upper layer Pipe for draining alkali is arranged in and is located at saline and alkaline surface layer
Stalk layer.
In another embodiment, in double-deck row's alkali, upper layer Pipe for draining alkali realizes that row's alkali, lower layer's collector pipe realize underground water potential drop
Low and control, lower layer's collector pipe mainly prevent from soil moisture from capillary occurs climbing phenomenon, realize the reduction of level of ground water
Control, then the topside position of upper layer Pipe for draining alkali are laid with stalk layer, since stalk has the function of that soil moisture capillary is blocked to climb,
Therefore the stalk layer being laid with plays the role of that capillary is blocked to climb phenomenon.
As another embodiment, a kind of salt-soda soil synthesis improvement method of salt discharge and reduction controlling groundwater level, including with
Lower step:
First, salt discharge, salt discharging pipe setting is arranged between lower layer, Pipe for draining alkali and collector pipe in upper layer, collector pipe by upper
Lower connector connection, collector pipe are connected to vacuum well after collecting, are vacuumized by vacuum well, realize Pipe for draining alkali to salt-soda soil forced-ventilated
Equally distributed row's alkali hole is arranged on Pipe for draining alkali for salt operation, and the salinity in soil enters in Pipe for draining alkali with moisture, realizes
The discharge of salinity in soil, the salinity of discharge enter in vacuum well, carry out unified recycling；
Second, lowering of watertable, when level of ground water is more than collector pipe, by the gully-hole being arranged on collector pipe,
Underground water is concentrated by collector pipe and is discharged, by the way that under vacuum well vacuum action, underground water is discharged into inside vacuum well, underground
Water level will not continue to rise, and the evaporation of moisture occurs in the phenomenon that will not be climbed due to capillary of the moisture in soil, play underground water
Position is effectively reduced.
As another embodiment, a kind of salt-soda soil synthesis improvement method of salt discharge and reduction controlling groundwater level, including with
Lower step:
First, salt discharge, salt discharging pipe setting is arranged between lower layer, Pipe for draining alkali and collector pipe in upper layer, collector pipe by upper
Lower connector connection, collector pipe are connected to vacuum well after collecting, are vacuumized by vacuum well, realize Pipe for draining alkali to salt-soda soil forced-ventilated
Salt operation, the equally distributed salt discharge hole of setting on Pipe for draining alkali, salinity in soil enter in Pipe for draining alkali with moisture, realize
The discharge of salinity in soil, the salinity of discharge enter in vacuum well, carry out unified recycling；
Second, lowering of watertable, when level of ground water is more than collector pipe, by the gully-hole being arranged on collector pipe,
Underground water is concentrated by collector pipe and is discharged, by the way that under vacuum well vacuum action, underground water is discharged into inside vacuum well, underground
Water level will not continue to rise, and the evaporation of moisture occurs in the phenomenon that will not be climbed due to capillary of the moisture in soil, play underground water
Position is effectively reduced；
Third blocks capillary to climb, and on upper layer, the topside position of Pipe for draining alkali is laid with stalk layer, realizes soil by stalk layer
Moisture capillary is climbed the blocking of phenomenon, and the evaporation of moisture caused by climbing as soil capillary is effectively prevent.
Above-mentioned specific embodiment is only the specific case of the utility model, and the scope of patent protection of the utility model includes
But it is not limited to the product form and style of above-mentioned specific embodiment, it is any to meet the utility model and any technical field
Those of ordinary skill's appropriate changes or modifications that it is done, should all fall into the scope of patent protection of the utility model.
Claims (6)
1. a kind of salt discharge and the salt-soda soil comprehensive improvement system for reducing controlling groundwater level, it is characterised in that: including being located at upper layer
Pipe for draining alkali (1) and collector pipe (2) positioned at lower layer, between the Pipe for draining alkali (1) and collector pipe (2) by it is intermediate up and down
Connecting tube (3) realizes connection, and described be vertically connected with pipe (3) pass through threeway fast joint (4) and Pipe for draining alkali (1) and collector pipe (2)
Realize quickly connection, the Pipe for draining alkali (1) on the upper layer is that multiple Pipe for draining alkali (1) being disposed in parallel relation to one another form side by side, described
The collector pipe (2) of lower layer be made of side by side multiple collector pipes (2) being disposed in parallel relation to one another, the Pipe for draining alkali on the upper layer
(1) angle between the collector pipe of lower layer (2) is 0 ° -90 °, is additionally provided on the upper layer Pipe for draining alkali (1) to row's alkali
The backwash fast joint (5) that (1) realizes backwash is managed, rear and vacuum well (6) is uniformly summarized between lower layer's collector pipe (2)
It connects.
2. a kind of salt discharge according to claim 1 and the salt-soda soil comprehensive improvement system for reducing controlling groundwater level, special
Sign is: the Pipe for draining alkali (1) on the upper layer is made up of multiple short circuit Pipe for draining alkali fast joint (7) connection.
3. a kind of salt discharge according to claim 1 and the salt-soda soil comprehensive improvement system for reducing controlling groundwater level, special
Sign is: being provided with equally distributed row's alkali hole on the Pipe for draining alkali (1) on the upper layer.
4. a kind of salt discharge according to claim 1 and the salt-soda soil comprehensive improvement system for reducing controlling groundwater level, special
Sign is: being provided with equally distributed gully-hole on the collector pipe (2) of the lower layer.
5. a kind of salt discharge according to claim 1 and the salt-soda soil comprehensive improvement system for reducing controlling groundwater level, special
Sign is: the outer layer of the collector pipe (2) of the Pipe for draining alkali (1) and lower layer on the upper layer is provided with filter layer.
6. a kind of salt discharge according to claim 1 and the salt-soda soil comprehensive improvement system for reducing controlling groundwater level, special
Sign is: the spacing between the Pipe for draining alkali (1) on the upper layer is less than the spacing between lower layer's collector pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821811854.8U CN209299684U (en) | 2018-11-05 | 2018-11-05 | A kind of salt-soda soil comprehensive improvement system of salt discharge and reduction controlling groundwater level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821811854.8U CN209299684U (en) | 2018-11-05 | 2018-11-05 | A kind of salt-soda soil comprehensive improvement system of salt discharge and reduction controlling groundwater level |
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| Publication Number | Publication Date |
|---|---|
| CN209299684U true CN209299684U (en) | 2019-08-27 |
Family
ID=67672391
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821811854.8U Active CN209299684U (en) | 2018-11-05 | 2018-11-05 | A kind of salt-soda soil comprehensive improvement system of salt discharge and reduction controlling groundwater level |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110603918A (en) * | 2019-10-28 | 2019-12-24 | 苏州金螳螂园林绿化景观有限公司 | Soil pipeline salt elimination improvement system and salt elimination method |
-
2018
- 2018-11-05 CN CN201821811854.8U patent/CN209299684U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110603918A (en) * | 2019-10-28 | 2019-12-24 | 苏州金螳螂园林绿化景观有限公司 | Soil pipeline salt elimination improvement system and salt elimination method |
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| 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: A comprehensive improvement system of saline alkali land with salt drainage and groundwater level reduction Effective date of registration: 20201016 Granted publication date: 20190827 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: 20190827 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 utility model: A comprehensive improvement system of saline alkali land for draining salt and reducing and controlling groundwater level Effective date of registration: 20220331 Granted publication date: 20190827 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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Date of cancellation: 20230327 Granted publication date: 20190827 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 utility model: A Comprehensive Improvement System for Saline Alkali Land with Salt Drainage and Lowering Control of Groundwater Level Effective date of registration: 20230328 Granted publication date: 20190827 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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Granted publication date: 20190827 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 |