CN109169198A - A kind of multilayer sand net is assured and multilayer sand net assures irrigation system - Google Patents

A kind of multilayer sand net is assured and multilayer sand net assures irrigation system Download PDF

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Publication number
CN109169198A
CN109169198A CN201810939865.2A CN201810939865A CN109169198A CN 109169198 A CN109169198 A CN 109169198A CN 201810939865 A CN201810939865 A CN 201810939865A CN 109169198 A CN109169198 A CN 109169198A
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CN
China
Prior art keywords
sand
net
layer
sand net
infiltrating irrigation
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Application number
CN201810939865.2A
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Chinese (zh)
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CN109169198B (en
Inventor
张泽中
齐青青
李振全
孔德谦
刘发
慎东方
黄万超
刘泽芳
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North China University of Water Resources and Electric Power
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North China University of Water Resources and Electric Power
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Priority to CN201810939865.2A priority Critical patent/CN109169198B/en
Publication of CN109169198A publication Critical patent/CN109169198A/en
Application granted granted Critical
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Classifications

    • 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
    • A01G25/06Watering arrangements making use of perforated pipe-lines located in the soil
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/02Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
    • B01D24/04Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being clamped between pervious fixed walls
    • B01D24/08Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being clamped between pervious fixed walls the filtering material being supported by at least two pervious coaxial walls

Abstract

The present invention relates to high efficiency water Water-saving agricultural technology fields, it is assured more particularly to a kind of multilayer sand net and multilayer sand net assures irrigation system, including Infiltrating irrigation water pipe, seepage flow hole is provided on the Infiltrating irrigation water pipe, it is disposed with the coarse sands layer that sand grains diameter is sequentially reduced outward around Infiltrating irrigation water pipe, middle layer of sand and fine sand layer, it is separated between the coarse sands layer and middle layer of sand by the first sand net, it is separated between middle layer of sand and fine sand layer by the second sand net, third sand net is provided with outside fine sand layer, the end sleeve of Infiltrating irrigation water pipe is equipped with end-plate, end-plate respectively with Infiltrating irrigation water pipe, first sand net, second sand net, third sand net vertically connects, its flow rate of water flow is controllable, water flow uniform infiltrating irrigation around in water pipe, infiltrating irrigation is high-efficient, anti-clogging effect is good.

Description

A kind of multilayer sand net is assured and multilayer sand net assures irrigation system
Technical field
The present invention relates to high efficiency water Water-saving agricultural technology fields, and in particular to a kind of multilayer sand net is assured and multilayer sand Net assures irrigation system.
Background technique
Infiltrating irrigation is a kind of underground micro-irrigation form, this irrigation method is with low pressure water conveyance pipeline, then by being embedded in root of the crop It is the douche (hole infiltrating irrigation) of mobile layer, according to the growth water requirement of crop, into soil, infiltration supply is made at regular time and quantity Object.Therefore, infiltrating irrigation can be regarded as a kind of special shape of trickle irrigation, and be otherwise known as underground drip irrigation.Compared with other irrigation techniques, Infiltration irrigation technology has many advantages, such as water-saving, province ground, saving of labor, low energy consumption, becomes the major measure in water-saving irrigation technique.But it is existing For infiltrating irrigation pipeline in the moment shut down every time, pipeline will form reversed suck-back problem, and the negative pressure that reversed suck-back is formed will cause branch pipe Seepage port mud be inhaled into branch pipe, cause the seepage port of branch pipe to block after dry, influence to further use.
Based on this, a kind of multicore infiltrating irrigation system is disclosed application No. is 201710247208.7 patent of invention and multicore seeps Band is filled, although which solves the problems, such as that branch pipe pipeline suck-back blocks, but the multicore infiltrating irrigation band in the patent of invention It is slowly to be permeated by the water resistance of fiber, causes seepage velocity slow by fiber infiltrating irrigation first, and hydraulic pressure It can reduce when to fiber ends, seepage velocity can be more slow, not be able to satisfy demand of the crop irrigation to moisture;Secondly by fiber The flow velocity of infiltrating irrigation water can only remain a seepage velocity with regard to uncontrollable, and infiltrating irrigation speed cannot be adjusted according to soil environment.
Summary of the invention
For defect existing for current irrigation system and problem, the present invention provides a kind of multilayer sand net and assures and multilayer sand Net assures irrigation system.
The present invention solves scheme used by its technical problem: a kind of multilayer sand net is assured, including infiltrating irrigation center is supplied water Pipe is provided with seepage flow hole on the water supplying pipe of the infiltrating irrigation center, around infiltrating irrigation center water supplying pipe be disposed with outward sand grains diameter according to Secondary reduced coarse sands layer, middle layer of sand and fine sand layer are separated between the coarse sands layer and middle layer of sand by the first sand net, middle layer of sand and It is separated between fine sand layer by the second sand net, is provided with third sand net outside fine sand layer, the mesh diameter of the first sand net is less than The sand grains diameter of middle layer of sand, the second sand net, third sand net mesh diameter be respectively less than the sand grains diameter of fine sand layer, the infiltration The head end of filling center water supplying pipe connects admitting pipe joint, and tail end is set with end-plate, and end-plate supplies water with infiltrating irrigation center respectively Pipe, the first sand net, the second sand net, third sand net vertically connect.
A kind of above-mentioned multilayer sand net is assured, and the seepage flow hole is uniformly arranged on the two sides of infiltrating irrigation center water supplying pipe.
A kind of above-mentioned multilayer sand net is assured, concentric on the end-plate to open there are three annular groove, the first sand net, Second sand net, third sand net end be installed in three annular grooves respectively.
A kind of above-mentioned multilayer sand net is assured, and the end of infiltrating irrigation center water supplying pipe is respectively arranged with docking pullover, phase By docking pullover connection between adjacent two infiltrating irrigation center water supplying pipes, fixing belt is additionally provided on docking pullover.
A kind of above-mentioned multilayer sand net is assured, and the upper end outside the third sand net is provided with sky shade, the sky shade For the arc-shaped cover being bonded with third strainer top.
A kind of above-mentioned multilayer sand net is assured, and the third sand net outer cover is equipped with floor, and the two sides of the floor are symmetrical It is provided with floor and seeps seam.
A kind of multilayer sand net assures irrigation system, and the water storage in reservoir passes through after filter device successively by supervisor and more The infiltrating irrigation into stratum of root branch pipe, is provided with valve in the associated pipe of supervisor and manifold, and the branch pipe is multilayer sand net packet Pipe, the multilayer sand net are assured including infiltrating irrigation center water supplying pipe, are provided with seepage flow hole on the water supplying pipe of the infiltrating irrigation center, surround infiltrating irrigation Center water supplying pipe is disposed with coarse sands layer, middle layer of sand and the fine sand layer that sand grains diameter is sequentially reduced outward, the coarse sands layer with It is separated between middle layer of sand by the first sand net, is separated between middle layer of sand and fine sand layer by the second sand net, is provided with outside fine sand layer Third sand net, the mesh diameter of the first sand net are less than the sand grains diameter of middle layer of sand, the net of the second sand net, third sand net Bore dia is respectively less than the sand grains diameter of fine sand layer, and the head end of infiltrating irrigation center water supplying pipe connects admitting pipe joint, tail end set Equipped with end-plate, end-plate respectively with infiltrating irrigation center water supplying pipe, the first sand net, the second sand net, third sand net is vertical connect.
A kind of above-mentioned multilayer sand net assures irrigation system, by short branch pipe between the supervisor and multilayer sand net assure It connects, hole is uniformly provided on short branch pipe and is set with docking casing in Kong Chu, infiltrating irrigation center water supplying pipe passes through docking casing It is tightly connected short branch pipe.
A kind of above-mentioned multilayer sand net assures irrigation system, and coarse filtration dress is provided on the upside of the water outlet of the columns base It sets, the water outlet of reservoir is successively connected to after valve and filter with supervisor.
Beneficial effects of the present invention: multilayer sand net of the invention is assured and multilayer sand net assures irrigation system, in infiltrating irrigation Heart water supplying pipe, which successively surrounds, is provided with coarse sands layer, middle layer of sand and fine sand layer, and coarse sands layer, middle layer of sand and fine sand layer are respectively formed water storage Layer crosses water layer and outermost permeable layer, and the water flow in the water supplying pipe of infiltrating irrigation center successively passes through reservoir bed, mistake from inside to outside Water layer and outermost permeable layer are not in blocking, and water velocity is fast, and infiltrating irrigation is high-efficient;Layer of sand supplies water around infiltrating irrigation center Pipe annular arrangement, layer of sand gap is more and uniform, sets out for this structure in the mouth of a river compared to more current in outlet pipe two sides, this hair Bright to be drained by layer of sand gap, infiltrating irrigation surface area is very big, and the apopore on infiltrating irrigation surface is small and dense, not only water-outlet area it is big and It is slow, moreover it is possible to ensure that the water flow uniform infiltrating irrigation around in water pipe, infiltrating irrigation effect is good;Meanwhile the skill relative to fibrous layer infiltrating irrigation For art, the present invention overcomes that can not change infiltrating irrigation flow velocity when passing through fibrous layer infiltrating irrigation, the present invention can be by infiltration Water supplying pipe pressurization in filling center increases flow velocity, depressurizes to infiltrating irrigation center water supplying pipe and reduces flow velocity, can adjust the confession of infiltrating irrigation center at any time The flow rate of water flow of water pipe realizes that flow velocity is controllable, adapts to different weather situation, different soils environment, Different Crop growth to moisture Demand, practicability is wide;Also, for the characteristic of layer of sand itself, layer of sand is not easy to be obstructed with soil, and effectively prevents each The moment of shutdown, pipeline form the phenomenon that reversed suck-back of seepage port mud caused by negative pressure blocks branch pipe, make multilayer of the invention Sand net, which is assured, has good anti-mud plugging performance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that multilayer sand net of the present invention is assured;
Fig. 2 is the schematic diagram of the section structure of Fig. 1;
Fig. 3 is the structural schematic diagram of end-plate;
Fig. 4 is the schematic diagram of the section structure of embodiment 2;
Fig. 5 is the structural schematic diagram of the embodiment of the present invention 3;
Fig. 6 is the schematic diagram that multilayer sand net of the present invention assures irrigation system;
In figure: 1- infiltrating irrigation center water supplying pipe, 2- seepage flow hole, 3- coarse sands layer, layer of sand in 4-, 5- fine sand layer, 6- the first sand net, 7- Two sand nets, 8- third sand net, 9- end-plate, 10- annular groove, 11- docking pullover, 12- fixing belt, 13- sky shade, 14- supervisor, 15- valve, 16- filter, the short branch pipe of 17-, 18- dock casing, and the more ribs of 19- seep seam, 20- floor.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment 1: a kind of multilayer sand net is assured, including infiltrating irrigation center water supplying pipe 1, the two sides of infiltrating irrigation center water supplying pipe 1 are equal Even to be provided with seepage flow hole 2, water flow is flowed out from seepage flow hole 2, and the tube wall around infiltrating irrigation center water supplying pipe 1 is disposed with coarse sand outward Layer 3, middle layer of sand 4 and fine sand layer 5, the sand grains diameter of coarse sands layer, middle layer of sand and fine sand layer are sequentially reduced, coarse sands layer 3 and middle layer of sand 4 Between separated by the first sand net 6, separated between middle layer of sand 4 and fine sand layer 5 by the second sand net 7, the be provided with outside fine sand layer 5 Three sand nets 8, the mesh diameter of the first sand net 6 are less than the sand grains diameter of middle layer of sand 4, prevent the sand grains of middle layer of sand 4 from entering coarse sands layer 3, the second sand net 7, third sand net 8 mesh diameter be respectively less than the sand grains diameter of fine sand layer 5, prevent the sand grains of fine sand layer 5 from entering Middle layer of sand 4, while third sand net 8 is also prevented from the leakage of the fine sand in fine sand layer, wherein 3 sand grains of coarse sands layer are relatively large in diameter, so The larger formation reservoir bed in gap between sand grains can store more moisture, and middle 4 sand grains diameter of layer of sand is relatively small, institute Water layer was formed so that the gap between sand grains is smaller, and main function is that the water in reservoir bed is allowed to pass through, and the sand in fine sand layer 5 Grain diameter is minimum, so the gap minimum between sand grains forms outermost permeable layer, after the infiltration that water flow passes through fine sand layer Can be by moisture penetration into soil, since the gap in fine sand layer 5 is small and dense, water-outlet area is big, while also ensuring water pipe In water flow can uniform infiltrating irrigation around, infiltrating irrigation effect is good;The end sleeve of infiltrating irrigation center water supplying pipe 1 is equipped with end-plate 9, end seal Plate 9 is the Plates with certain supportive and bending of annular, and the center screw thread of end-plate is installed on the water supply of infiltrating irrigation center On tube wall, end-plate 9 respectively with infiltrating irrigation center water supplying pipe 1, the first sand net 6, the second sand net 7, third sand net 8 is vertical connect, It is concentric to open there are three annular groove 10 using center as axle center on end-plate 9 in the present embodiment, three annular grooves respectively with First sand net, the second sand net, the position of third sand net are corresponding, make the end part of the first sand net 6, the second sand net 7, third sand net 8 It can not be installed in three annular grooves, the effect of annular groove 10 is enclosed in sand grains in sand net, prevents sand grains from leaking outside;In infiltrating irrigation The end of heart water supplying pipe 1 crosses end-plate 9 and extends out, and the end sleeve of infiltrating irrigation center water supplying pipe 1 is adjacent equipped with docking pullover 11 It is connected between two infiltrating irrigation center water supplying pipes by docking pullover 11, and also pricking on docking pullover 11 has fixing belt 12 to be added Gu.
Embodiment 2: a kind of multilayer sand net of the present embodiment, which is assured centered on the difference of embodiment 1, to be illustrated;
As shown in figure 4, the upper end outside third sand net 8 is equipped with sky shade 13, sky shade is to be bonded with the online portion of third sand Arc-shaped cover, the two sides welding of sky shade 13 or fixed on third sand net 8 by iron wire, the effect of sky shade is to reduce moisture Direct evaporation, while can prevent when hydraulic pressure is excessive, water flow is sprayed from the upper end of fine sand layer.
Embodiment 3: a kind of multilayer sand net of the present embodiment, which is assured centered on the difference of embodiment 1, to be illustrated;
As shown in figure 5,8 outer cover of third sand net is equipped with floor 20, the two sides of floor 20 are symmetrically arranged with floor and seep seam 19, more ribs Seeping seam 19 has orientation infiltration function, and the plant root zone infiltration of two sides is assured to multilayer sand net.
Embodiment: 4: a kind of multilayer sand net of the present embodiment assures irrigation system centered on the difference of embodiment 1 It is illustrated;
A kind of multilayer sand net assures irrigation system, as shown in fig. 6, the water storage in reservoir by after filter device successively by master Pipe 14 and more branch pipe infiltrating irrigations into stratum, are provided with valve 15 in the associated pipe of supervisor and manifold, wherein branch pipe is Multilayer sand net of the invention is assured, and multilayer sand net is assured including infiltrating irrigation center water supplying pipe 1, and the two sides of infiltrating irrigation center water supplying pipe 1 are equal It is even to be provided with seepage flow hole 2, it is disposed with coarse sands layer 3, the middle sand that sand grains diameter is sequentially reduced outward around infiltrating irrigation center water supplying pipe 1 Layer 4 and fine sand layer 5 are separated between coarse sands layer and middle layer of sand by the first sand net 6, pass through the second sand between middle layer of sand and fine sand layer Net 7 separates, and third sand net 8 is provided with outside fine sand layer, and the mesh diameter of the first sand net is less than the sand grains diameter of middle layer of sand, the second sand Net, third sand net mesh diameter be respectively less than the sand grains diameter of fine sand layer, the end sleeve of infiltrating irrigation center water supplying pipe is equipped with end-plate 9, end-plate respectively with infiltrating irrigation center water supplying pipe, the first sand net, the second sand net, third sand net is vertical connect.
Wherein, it is connected between supervisor 14 and multilayer sand net assure by short branch pipe 17, is uniformly provided with hole on short branch pipe 17 And it is set with docking casing 18 in Kong Chu, docking casing is tee tube, and infiltrating irrigation center water supplying pipe 1 is connected by the docking sealing of casing 18 Connect short branch pipe 17.
In addition, being provided with rough filtering device on the upside of the water outlet of columns base, the water outlet of reservoir successively passes through valve It is connected to after door 15 and filter 16 with supervisor 14.

Claims (9)

1. a kind of multilayer sand net is assured, it is characterised in that: including infiltrating irrigation center water supplying pipe, on the infiltrating irrigation center water supplying pipe side wall Be provided with seepage flow hole, around infiltrating irrigation center water supplying pipe by internal layer outer layers be disposed with coarse sands layer that sand grains diameter is sequentially reduced, Middle layer of sand and fine sand layer are separated by the first sand net between the coarse sands layer and middle layer of sand, are passed through between middle layer of sand and fine sand layer Second sand net separates, and third sand net is provided with outside fine sand layer, and the sand grains that the mesh diameter of the first sand net is less than middle layer of sand is straight Diameter, the second sand net, third sand net mesh diameter be respectively less than the sand grains diameter of fine sand layer, infiltrating irrigation center water supplying pipe Head end connects admitting pipe joint, and tail end is set with end-plate, end-plate respectively with infiltrating irrigation center water supplying pipe, the first sand net, the Two sand nets, third sand net vertically connect.
2. a kind of multilayer sand net according to claim 1 is assured, it is characterised in that: the seepage flow hole is uniformly arranged on infiltrating irrigation The two sides of center water supplying pipe.
3. a kind of multilayer sand net according to claim 1 is assured, it is characterised in that: concentric on the end-plate to be provided with three A annular groove, the first sand net, the second sand net, third sand net end be installed in three annular grooves respectively.
4. a kind of multilayer sand net according to claim 1 is assured, it is characterised in that: the end of infiltrating irrigation center water supplying pipe It is respectively arranged with docking pullover, is connected between the water supplying pipe of adjacent two infiltrating irrigation center by docking pullover, is also set on docking pullover It is equipped with fixing belt.
5. a kind of multilayer sand net according to claim 1 is assured, it is characterised in that: the upper end outside the third sand net is set It is equipped with sky shade, the sky shade is the arc-shaped cover being bonded with the online portion of third sand.
6. a kind of multilayer sand net according to claim 1 is assured, it is characterised in that: the third sand net outer cover is equipped with rib Plate, the two sides of the floor are symmetrically arranged with floor and seep seam.
7. a kind of multilayer sand net assures irrigation system, the water storage in reservoir successively passes through supervisor and more after passing through filter device Branch pipe infiltrating irrigation into stratum is provided with valve in the associated pipe of supervisor and manifold, it is characterised in that: the branch pipe is more Layer sand net is assured, and the multilayer sand net is assured including infiltrating irrigation center water supplying pipe, is provided with seepage flow hole on the water supplying pipe of the infiltrating irrigation center, Around infiltrating irrigation center, water supplying pipe is disposed with coarse sands layer, middle layer of sand and the fine sand layer that sand grains diameter is sequentially reduced outward, described It is separated, is separated between middle layer of sand and fine sand layer by the second sand net, fine sand layer by the first sand net between coarse sands layer and middle layer of sand It is provided with third sand net outside, the mesh diameter of the first sand net is less than the sand grains diameter of middle layer of sand, the second sand net, third The mesh diameter of sand net is respectively less than the sand grains diameter of fine sand layer, and the head end of infiltrating irrigation center water supplying pipe connects admitting pipe joint, Tail end is set with end-plate, and end-plate is vertical with infiltrating irrigation center water supplying pipe, the first sand net, the second sand net, third sand net respectively Connection.
8. a kind of multilayer sand net according to claim 7 assures irrigation system, it is characterised in that: in the supervisor and multilayer Sand net is connected between assuring by short branch pipe, and hole is uniformly provided on short branch pipe and is set with docking casing, the infiltrating irrigation in Kong Chu Center water supplying pipe connects short branch pipe by docking bobbin seal.
9. a kind of multilayer sand net according to claim 7 assures irrigation system, it is characterised in that: the columns base Rough filtering device is provided on the upside of water outlet, the water outlet of reservoir is successively connected to after valve and filter with supervisor.
CN201810939865.2A 2018-08-17 2018-08-17 Multilayer sand screen package pipe and multilayer sand screen package pipe irrigation system Active CN109169198B (en)

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Application Number Priority Date Filing Date Title
CN201810939865.2A CN109169198B (en) 2018-08-17 2018-08-17 Multilayer sand screen package pipe and multilayer sand screen package pipe irrigation system

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CN109169198B CN109169198B (en) 2021-01-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112145435A (en) * 2020-10-12 2020-12-29 辽宁工程技术大学 Screw air compressor waste heat recovery recycles device
CN112470770A (en) * 2020-11-25 2021-03-12 济南市第二农业科学研究院(济南市现代农业科技成果综合应用示范基地) Ginger seedling cultivation device and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2419819Y (en) * 2000-05-19 2001-02-21 杨荣华 Infiltrating irrigation water pipe for farm
CN1957675A (en) * 2006-09-29 2007-05-09 太原理工大学 Clogproof filtration irrigation composite tube buried ground
CN200945386Y (en) * 2006-08-02 2007-09-12 叶乃慈 Water purification filtering device
CN205511294U (en) * 2015-12-31 2016-08-31 瑞泽生物科技(苏州)有限公司 Special core nest of tubes of processing apparatus of agricultural irrigation water prefaceization
CN107021529A (en) * 2017-04-06 2017-08-08 刘斌 A kind of high pressure resistant filter core of high intensity
CN107094593A (en) * 2017-04-17 2017-08-29 华北水利水电大学 Multicore infiltrating irrigation system and multicore infiltrating irrigation band

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2419819Y (en) * 2000-05-19 2001-02-21 杨荣华 Infiltrating irrigation water pipe for farm
CN200945386Y (en) * 2006-08-02 2007-09-12 叶乃慈 Water purification filtering device
CN1957675A (en) * 2006-09-29 2007-05-09 太原理工大学 Clogproof filtration irrigation composite tube buried ground
CN205511294U (en) * 2015-12-31 2016-08-31 瑞泽生物科技(苏州)有限公司 Special core nest of tubes of processing apparatus of agricultural irrigation water prefaceization
CN107021529A (en) * 2017-04-06 2017-08-08 刘斌 A kind of high pressure resistant filter core of high intensity
CN107094593A (en) * 2017-04-17 2017-08-29 华北水利水电大学 Multicore infiltrating irrigation system and multicore infiltrating irrigation band

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112145435A (en) * 2020-10-12 2020-12-29 辽宁工程技术大学 Screw air compressor waste heat recovery recycles device
CN112470770A (en) * 2020-11-25 2021-03-12 济南市第二农业科学研究院(济南市现代农业科技成果综合应用示范基地) Ginger seedling cultivation device and method

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