CN112997622A - Ecological restoration device for coastal saline-alkali soil and use method thereof - Google Patents

Ecological restoration device for coastal saline-alkali soil and use method thereof Download PDF

Info

Publication number
CN112997622A
CN112997622A CN202110202774.2A CN202110202774A CN112997622A CN 112997622 A CN112997622 A CN 112997622A CN 202110202774 A CN202110202774 A CN 202110202774A CN 112997622 A CN112997622 A CN 112997622A
Authority
CN
China
Prior art keywords
saline
water
alkali
ground
power generation
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.)
Pending
Application number
CN202110202774.2A
Other languages
Chinese (zh)
Inventor
曹磊
于二跃
刘秀举
吴雪翔
刘丹青
尹磊
张家玮
刘阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Port Construction Group Co ltd
Original Assignee
Jiangsu Port Construction Group Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Port Construction Group Co ltd filed Critical Jiangsu Port Construction Group Co ltd
Priority to CN202110202774.2A priority Critical patent/CN112997622A/en
Publication of CN112997622A publication Critical patent/CN112997622A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B77/00Machines for lifting and treating soil
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B79/00Methods for working soil
    • A01B79/02Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/02Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/12Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Cultivation Of Plants (AREA)

Abstract

The invention discloses an ecological restoration device for coastal saline-alkali land and a use method thereof, and the ecological restoration device comprises saline-alkali land, wherein the saline-alkali land is in a slope shape, the slope angle is between 15 and 30, one end of the saline-alkali land is provided with a water retaining wall, the bottom of the water retaining wall is provided with a reservoir, the bottom of the reservoir is provided with a filter tank, the bottom of the filter tank is provided with a water storage tank, one side of the water retaining wall is a sea area, the sea area is provided with a plurality of support frames, the tops of the support frames are provided with wind power generation equipment, one side of each support frame is provided with solar power generation equipment, the device can filter and wash saline-alkali contained in the coastal saline-alkali land, can plant rice on the washed saline-alkali land, thereby improving income, also can restore the ecological system of the coastal saline-alkali land, improve the soil quality, and generate electricity by adopting light energy, the filter system of the whole device is powered, low carbon and environment-friendly, energy is saved, income can be increased, and the filter device is convenient for people to use.

Description

Ecological restoration device for coastal saline-alkali soil and use method thereof
Technical Field
The invention relates to the field of coastal saline-alkali soil restoration, in particular to an ecological restoration device for coastal saline-alkali soil and a use method thereof.
Background
The coastal saline-alkali soil is mainly distributed on offshore beaches and river delta, belongs to chloride saline soil and has the following characteristics: due to the influence of monsoon and sea tide and the restriction of the soil forming process, the salt content of the soil is regularly changed along with the distance from the sea, and the farther the distance from the sea, the lighter the salt content is, and the nearer the distance from the sea, the heavier the salt content is. The terrain is low, the underground water level and the mineralization degree are high, and the leakage bearing area is affected by sea tides, so that the underground water is not smooth to flow out. The land is low, the drainage and drainage bearing area is easily affected by sea tides or floods, the drainage is difficult to automatically flow, and flood control, moisture protection and mechanical flood drainage projects need to be established to avoid flood disasters. The method has the advantages that the soil is barren, the content of organic matters and phosphorus is low, crop production can be carried out only by fertilizing and improving, the coastal saline-alkali land has the greatest influence on the life of nearby residents, and the defects of the coastal saline-alkali land are many, so that the country spends huge funds on the treatment of the coastal saline-alkali land every year, the ecological system of the coastal saline-alkali land is not obviously repaired, and the environment is seriously damaged. Therefore, the ecological restoration device for the coastal saline-alkali soil and the use method thereof are provided.
Disclosure of Invention
The invention aims to provide an ecological restoration device for coastal saline-alkali soil and a use method thereof, aiming at overcoming the defects in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an ecological remediation device in coastal saline and alkaline land, includes saline and alkaline ground, saline and alkaline ground is the slope shape, and the angle of its slope is between 15-30, the one end on saline and alkaline ground is equipped with the breakwater, the bottom of breakwater is equipped with the cistern, the bottom of cistern is equipped with the filtering ponds, the bottom of filtering ponds is equipped with the reservoir, one side of breakwater is the sea area, install a plurality of support frame on the sea area, wind power generation equipment is installed at the top of support frame, solar power generation equipment is installed to one side of support frame, install the raceway on the reservoir, the spray board is installed to the other end on saline and alkaline ground, be connected with the centrifugal pump on the spray board.
As a preferred technical scheme of the invention, the saline-alkali ground is pushed to slope by an excavator, and the lower end of the saline-alkali ground is built by bricks and concrete to form a water retaining wall with the height of 1-1.5 meters higher than that of the saline-alkali ground.
As a preferable technical scheme of the invention, the upper end of the saline-alkali ground is made of steel concrete into cement, and the centrifugal pump and the water spraying plate are installed on the top of the cement.
As a preferable technical scheme of the invention, the reservoir is connected with the saline-alkali ground and the filtering tank, the filtering tank is connected with the water storage tank, and a plurality of saline-alkali filters are arranged in the filtering tank.
As a preferred technical scheme of the invention, one end of the water conveying pipe is connected with the water storage pool, the other end of the water conveying pipe is connected with the centrifugal pump, and the centrifugal pump is connected with the water spraying plate through the water conveying pipe.
As a preferable technical scheme of the invention, the support frame is made of 304 stainless steel materials and is installed on the sea area through steel-concrete, the solar power generation equipment and the wind power generation equipment are both installed on the support frame through bolts, the solar power generation equipment is a solar panel, the wind power generation equipment is a wind driven generator, and the wind power generation equipment and the solar power generation equipment are both connected with the battery room.
As a preferred technical solution of the present invention, the storage battery in the battery room is electrically connected to the centrifugal pump through the controller and the timer.
A use method of an ecological restoration device for coastal saline-alkali soil comprises the following specific use steps:
the method comprises the following steps: the wind power generation equipment is enabled to carry out wind power generation through strong wind on the sea area, the solar power generation equipment is enabled to carry out solar power generation by utilizing strong sunlight on the sea area, electric energy is stored in a battery room through a transformer, an inverter and a controller, and a battery in the battery room is utilized to supply power to the centrifugal pump;
step two: setting the saline-alkali ground into a slope, spraying water by using a water spraying plate on the upward slope in a spraying mode to clean the saline-alkali ground, controlling the water flow speed, avoiding soil loss of the saline-alkali ground, and storing water of 20-30 cm at the top of the saline-alkali ground;
step three, storing a certain amount of water by a reservoir, filtering the saline-alkali filter water in the reservoir by a filter tank, storing the filtered water in a water storage tank, controlling a centrifugal pump to work for 30 minutes at intervals of 2-3 hours by a timer, pumping the water in the water storage tank to a water spraying plate by braking of the centrifugal pump, and replacing the water on the saline-alkali ground;
and step four, planting the rice on the saline-alkali ground.
The invention has the beneficial effects that: the device can filter and wash the salt and alkali that coastal saline and alkaline land contains, can be at the subaerial rice of planting of salt and alkali that washes to improve the income, also can restore the ecosystem in coastal saline and alkaline land, improve the soil quality in saline and alkaline land, adopt light energy and wind energy on the sea area to generate electricity in addition, the filtration system who gives whole device carries out the power supply, the low carbon environmental protection, the energy saving can also increase the income, the people of being convenient for use.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
In the figure: 1. saline-alkali soil, 2, a water retaining wall, 3, a reservoir, 4, a filter tank, 5, a reservoir, 6, a water delivery pipe, 7, a centrifugal pump, 8, a water spraying plate, 9, a support frame, 10, wind power generation equipment, 11 and solar power generation equipment.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention more readily understood by those skilled in the art, and thus will more clearly and distinctly define the scope of the invention.
Example (b): referring to fig. 1, the present invention provides a technical solution: the utility model provides an ecological remediation device in coastal saline and alkaline land, including saline and alkaline ground 1, saline and alkaline ground 1 is the slope shape, the angle of its slope is between 15-30, saline and alkaline ground 1's one end is equipped with breakwater 2, breakwater 2's bottom is equipped with cistern 3, cistern 3's bottom is equipped with filtering ponds 4, filtering ponds 4's bottom is equipped with reservoir 5, one side of breakwater 2 is sea area 12, install a plurality of support frame 9 on the sea area 12, wind power generation equipment 10 is installed at support frame 9's top, solar power system 11 is installed to one side of support frame 9, install raceway 6 on the reservoir 5, spray board 8 is installed to saline and alkaline ground 1's the other end, be connected with centrifugal pump 7 on the spray board 8.
The saline-alkali ground 1 is pushed to slope degree by an excavator, and the lower end of the saline-alkali ground 1 is built with bricks and concrete to form a water retaining wall 2 with the height exceeding the saline-alkali ground by 11-1.5 meters. The upper end of the saline-alkali ground 1 is made of steel concrete and is strong in cement, and the centrifugal pump 7 and the water spray plate 8 are installed on the top of the cement. Cistern 3 links to each other with saline and alkaline ground 1 and filtering ponds 4, and filtering ponds 4 link to each other with reservoir 5, and the internally mounted of filtering ponds 4 has a plurality of saline and alkaline filter. One end of the water delivery pipe 6 is connected with the water storage pool 5, the other end of the water delivery pipe 6 is connected with the centrifugal pump 7, and the centrifugal pump 7 is connected with the water spraying plate 8 through the water delivery pipe. The supporting frame 9 is made of 304 stainless steel materials and is installed on the sea area 12 through steel-concrete, the solar power generation equipment 11 and the wind power generation equipment 10 are both installed on the supporting frame 9 through bolts, the solar power generation equipment 11 is a solar panel, the wind power generation equipment 10 is a wind driven generator, and the wind power generation equipment 10 and the solar power generation equipment 11 are both connected with the battery room. The storage battery in the battery room is electrically connected with the centrifugal pump 7 through the controller and the timer.
A use method of an ecological restoration device for coastal saline-alkali soil comprises the following specific use steps:
the method comprises the following steps: the wind power generation equipment is enabled to carry out wind power generation through strong wind on the sea area, the solar power generation equipment is enabled to carry out solar power generation by utilizing strong sunlight on the sea area, electric energy is stored in a battery room through a transformer, an inverter and a controller, and a battery in the battery room is utilized to supply power to the centrifugal pump;
step two: setting the saline-alkali ground into a slope, spraying water by using a water spraying plate on the upward slope in a spraying mode to clean the saline-alkali ground, controlling the water flow speed, avoiding soil loss of the saline-alkali ground, and storing water of 20-30 cm at the top of the saline-alkali ground;
step three, storing a certain amount of water by a reservoir, filtering the saline-alkali filter water in the reservoir by a filter tank, storing the filtered water in a water storage tank, controlling a centrifugal pump to work for 30 minutes at intervals of 2-3 hours by a timer, pumping the water in the water storage tank to a water spraying plate by braking of the centrifugal pump, and replacing the water on the saline-alkali ground;
and step four, planting the rice on the saline-alkali ground.
The device can filter and wash the salt and alkali that coastal saline and alkaline land contains, can be at the subaerial rice of planting of salt and alkali that washes to improve the income, also can restore the ecosystem in coastal saline and alkaline land, improve the soil quality in saline and alkaline land, adopt light energy and wind energy on the sea area to generate electricity in addition, the filtration system who gives whole device carries out the power supply, the low carbon environmental protection, the energy saving can also increase the income, the people of being convenient for use.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (8)

1. The utility model provides an ecological remediation device in coastal saline and alkaline land, includes saline and alkaline ground (1), its characterized in that: the saline-alkali ground (1) is in a slope shape, the angle of the slope is between 15 and 30, one end of the saline-alkali ground (1) is provided with a water retaining wall (2), the bottom of the water retaining wall (2) is provided with a reservoir (3), a filtering tank (4) is arranged at the bottom of the water storage tank (3), a water storage tank (5) is arranged at the bottom of the filtering tank (4), one side of the water retaining wall (2) is provided with a sea area (12), a plurality of supporting frames (9) are arranged on the sea area (12), the top of the supporting frame (9) is provided with a wind power generation device (10), one side of the supporting frame (9) is provided with a solar power generation device (11), install raceway (6) on reservoir (5), water spray plate (8) are installed to the other end on saline and alkaline ground (1), be connected with centrifugal pump (7) on water spray plate (8).
2. The ecological restoration device for the coastal saline-alkali soil according to claim 1, which is characterized in that: the saline-alkali ground (1) is pushed to a slope degree by an excavator, and the lower end of the saline-alkali ground (1) is built with bricks and concrete to form a water retaining wall (2) with the height exceeding the saline-alkali ground (1) by 1-1.5 meters.
3. The ecological restoration device for the coastal saline-alkali soil according to claim 1, which is characterized in that: the upper end of saline and alkaline ground (1) adopts the steel-concrete to construct into cement to strong top is installed on this cement with centrifugal pump (7) and water spray plate (8).
4. The ecological restoration device for the coastal saline-alkali soil according to claim 1, which is characterized in that: cistern (3) link to each other with saline and alkaline ground (1) and filtering ponds (4), filtering ponds (4) link to each other with reservoir (5), the internally mounted of filtering ponds (4) has the saline and alkaline filter of a plurality of.
5. The ecological restoration device for the coastal saline-alkali soil according to claim 1, which is characterized in that: one end of the water conveying pipe (6) is connected with the water storage pool (5), the other end of the water conveying pipe (6) is connected with the centrifugal pump (7), and the centrifugal pump (7) is connected with the water spraying plate (8) through the water conveying pipe.
6. The ecological restoration device for the coastal saline-alkali soil according to claim 1, which is characterized in that: support frame (9) adopt 304 stainless steel material to make to install on sea area (12) through the steel-concrete, solar power system (11) and wind power system (10) are all installed on support frame (9) through the bolt, solar power system (11) are solar panel, wind power system (10) are aerogenerator, wind power system (10) and solar power system (11) all link to each other with the battery room.
7. The ecological restoration device for coastal saline-alkali soil according to claim 6, characterized in that: the storage battery in the battery room is electrically connected with the centrifugal pump (7) through the controller and the timer.
8. The use method of the ecological restoration device for the coastal saline-alkali soil according to claim 1, characterized in that: the specific use steps are as follows:
the method comprises the following steps: the wind power generation equipment is enabled to carry out wind power generation through strong wind on the sea area, the solar power generation equipment is enabled to carry out solar power generation by utilizing strong sunlight on the sea area, electric energy is stored in a battery room through a transformer, an inverter and a controller, and a battery in the battery room is utilized to supply power to the centrifugal pump;
step two: setting the saline-alkali ground into a slope, spraying water by using a water spraying plate on the upward slope in a spraying mode to clean the saline-alkali ground, controlling the water flow speed, avoiding soil loss of the saline-alkali ground, and storing water of 20-30 cm at the top of the saline-alkali ground;
step three, storing a certain amount of water by a reservoir, filtering the saline-alkali filter water in the reservoir by a filter tank, storing the filtered water in a water storage tank, controlling a centrifugal pump to work for 30 minutes at intervals of 2-3 hours by a timer, pumping the water in the water storage tank to a water spraying plate by braking of the centrifugal pump, and replacing the water on the saline-alkali ground;
and step four, planting the rice on the saline-alkali ground.
CN202110202774.2A 2021-02-23 2021-02-23 Ecological restoration device for coastal saline-alkali soil and use method thereof Pending CN112997622A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110202774.2A CN112997622A (en) 2021-02-23 2021-02-23 Ecological restoration device for coastal saline-alkali soil and use method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110202774.2A CN112997622A (en) 2021-02-23 2021-02-23 Ecological restoration device for coastal saline-alkali soil and use method thereof

Publications (1)

Publication Number Publication Date
CN112997622A true CN112997622A (en) 2021-06-22

Family

ID=76408114

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110202774.2A Pending CN112997622A (en) 2021-02-23 2021-02-23 Ecological restoration device for coastal saline-alkali soil and use method thereof

Country Status (1)

Country Link
CN (1) CN112997622A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113692796A (en) * 2021-09-30 2021-11-26 深圳市万卉园景观工程有限公司 A arrange salt structure that is used for coastal saline and alkaline land to restore and administer

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101644515B1 (en) * 2016-03-30 2016-08-02 동문이엔티(주) Automatically controlled clean rainwater collecting system that can be self-generated by solar module and easily exclude initial rainwater
CN106211850A (en) * 2016-08-24 2016-12-14 山东胜伟园林科技有限公司 A kind of alkaline land improving drainage system utilizing solar energy energy supply
CN106284499A (en) * 2016-08-29 2017-01-04 山东胜伟园林科技有限公司 A kind of alkaline land improving drainage system with Novel filter material wave duct
CN206196467U (en) * 2016-11-22 2017-05-31 深圳市豪科园林有限公司 A kind of slope greening system for the saline-alkali water ecological purification treatment of alkali ground
CN109392343A (en) * 2018-09-21 2019-03-01 兴安盟博川农业科技有限公司 A kind of plumbing installation for alkaline land soil improvement
CN210275407U (en) * 2019-07-30 2020-04-10 福建省中涛建设工程有限公司 Ecological greening engineering for preventing soil salinization
CN210315932U (en) * 2019-01-22 2020-04-14 湖南高岭环保科技有限公司 Mine side slope water storage and drainage and purification system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101644515B1 (en) * 2016-03-30 2016-08-02 동문이엔티(주) Automatically controlled clean rainwater collecting system that can be self-generated by solar module and easily exclude initial rainwater
CN106211850A (en) * 2016-08-24 2016-12-14 山东胜伟园林科技有限公司 A kind of alkaline land improving drainage system utilizing solar energy energy supply
CN106284499A (en) * 2016-08-29 2017-01-04 山东胜伟园林科技有限公司 A kind of alkaline land improving drainage system with Novel filter material wave duct
CN206196467U (en) * 2016-11-22 2017-05-31 深圳市豪科园林有限公司 A kind of slope greening system for the saline-alkali water ecological purification treatment of alkali ground
CN109392343A (en) * 2018-09-21 2019-03-01 兴安盟博川农业科技有限公司 A kind of plumbing installation for alkaline land soil improvement
CN210315932U (en) * 2019-01-22 2020-04-14 湖南高岭环保科技有限公司 Mine side slope water storage and drainage and purification system
CN210275407U (en) * 2019-07-30 2020-04-10 福建省中涛建设工程有限公司 Ecological greening engineering for preventing soil salinization

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113692796A (en) * 2021-09-30 2021-11-26 深圳市万卉园景观工程有限公司 A arrange salt structure that is used for coastal saline and alkaline land to restore and administer

Similar Documents

Publication Publication Date Title
CN203890185U (en) Lake eutrophication treatment system for reserving net cage culture
CN205368020U (en) Fine motion power dispersibility sewage treatment integrated device based on scene is complementary
CN109970152B (en) Saline-alkali soil distributed salty-extraction-to-light-drainage-irrigation coupling improvement system and use method
CN208684543U (en) A kind of Rotary Water Ecosystem restoration system having both landscape effect
CN105502752A (en) Mountain area rainwater potential energy recycling and purification and reutilization integrated system and rainwater recycling and purifying method
CN212315709U (en) Ecological landscape water quality purification device
CN102277863A (en) Method for circularly generating power with seawater and comprehensively utilizing seawater under action of artificial sea level fall
CN112997622A (en) Ecological restoration device for coastal saline-alkali soil and use method thereof
CN107986367B (en) Wind and sand prevention protection system combining solar energy underground water purification and drip irrigation technology
CN212153542U (en) Water storage device for ecological restoration of mine
CN208792400U (en) A kind of hydraulic engineering that can collect oil slick channel cleanout device
US20230159362A1 (en) Floating-island type artificial wetland treatment system based on lake center platform
CN205567081U (en) Pumping system is removed in complementary integration of wind light storage
CN205559171U (en) Multipotency source system of irrigating by lifting water to a higher level with a water pump, etc based on irrigate by lifting water to a higher level with a water pump, etc. efficiency
CN214832493U (en) Blue-green algae fishing, intercepting and collecting and landscape gallery device
CN214115276U (en) Waterfall type water quality purification system for bank slope water ecological landscape
CN212306388U (en) Solar energy collecting water storehouse cylinder type water-saving drip irrigation system
CN211141656U (en) Ecological floating island
CN210736464U (en) Landscape type center island type lake water quality treatment device
CN208717987U (en) A kind of hydraulic engineering for preventing from toppling over channel cleanout device
CN220528525U (en) Saline-alkali soil restoration system
CN203604103U (en) Pipe-laying type hydroelectric power facility
CN204999711U (en) Utilize water purification device of honourable complementary power station power supply
CN111439844A (en) Ecological landscape water quality purification device and purification method thereof
CN214007539U (en) Saline and alkaline land improvement solar photovoltaic water pumping pump system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20210622

RJ01 Rejection of invention patent application after publication