CN205052395U - Stifled permeation irrigation device is prevented in water conservation - Google Patents
Stifled permeation irrigation device is prevented in water conservation Download PDFInfo
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- CN205052395U CN205052395U CN201520712451.8U CN201520712451U CN205052395U CN 205052395 U CN205052395 U CN 205052395U CN 201520712451 U CN201520712451 U CN 201520712451U CN 205052395 U CN205052395 U CN 205052395U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 238000003973 irrigation Methods 0.000 title claims abstract description 45
- 230000002262 irrigation Effects 0.000 title claims abstract description 45
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000003381 stabilizer Substances 0.000 claims abstract description 28
- 239000000919 ceramic Substances 0.000 claims abstract description 25
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000002689 soil Substances 0.000 claims description 15
- 230000008595 infiltration Effects 0.000 claims description 12
- 238000001764 infiltration Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 6
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims description 5
- 239000003621 irrigation water Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 239000002105 nanoparticle Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000003610 charcoal Substances 0.000 abstract 1
- 239000000428 dust Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 241000227653 Lycopersicon Species 0.000 description 3
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 235000013311 vegetables Nutrition 0.000 description 3
- 244000144730 Amygdalus persica Species 0.000 description 2
- 235000006040 Prunus persica var persica Nutrition 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Water Treatment By Sorption (AREA)
Abstract
The utility model relates to a stifled permeation irrigation device is prevented in water conservation, it includes water tank, filter, buries underground person in charge's summation spinal branch pipe and several hollow billet, and the water inlet of water tank and filter passes through the raceway intercommunication, and the delivery port and the person in charge of filter communicate through the raceway, are responsible for to communicate with several branch pipes, are connected with several hollow billets on every spinal branch pipe, including the current stabilizer with ooze the head, the oral siphon and the branch connection of current stabilizer, outlet pipe and the hollow billet of current stabilizer are connected, hollow billet end with ooze first the connection. The filter comprises a hollow cylindricality structure and two at least ceramic filter cores, ooze the pretext shell and make the granularity with the carbon dust for the raw materials and form for the charcoal core of certain mesh number. The utility model discloses simple structure, few, the easy installation and maintenance of accessory, convenient to use, crop output is high moreover, and the effect is good, has comparatively wide market prospect.
Description
Technical Field
The utility model belongs to the technical field of farming irrigates, concretely relates to stifled filtration irrigation device is prevented in water conservation.
Background
Water resources in China are quite poor, particularly in the middle and western regions, the water resources are important factors restricting the agricultural development, and how to better utilize the water resources becomes a fundamental problem restricting the improvement of the yield of farmers. With this problem becoming more prominent, various irrigation techniques have come into use.
At present, the irrigation technology comprises ground irrigation methods such as furrow irrigation, drip irrigation, spray irrigation and the like, but the ground irrigation is ground water passing complete irrigation, water mainly depends on the action of gravity from top to bottom to moisten a topsoil layer and a plough layer soil, the effective utilization rate of the water is low, soil and rich water are easy to run off, the ground is easy to harden, the natural loss of evaporation and the like is large, and farmers can not work while doing housework during irrigation.
Along with the gradual improvement of the technology, many infiltrating irrigation technologies such as ZL201220084083.3, ZL201320043932.5 and 103039323A are also proposed, the technologies are to bury an infiltrating irrigation pipe underground for water seepage for irrigation, the infiltrating irrigation pipe underground adopts two types of orifice type water seepage or full-wall type water seepage, but in any case, blockage is inevitable, and meanwhile, uniform infiltrating irrigation is difficult to achieve. The applicant of the utility model provides the present application through many years of research to the above-mentioned problem.
Disclosure of Invention
An object of the utility model is to provide a stifled filtration irrigation device is prevented in water conservation. The device has the advantages of simple structure, few accessories, easy installation and maintenance, convenient use, high crop yield, good effect and wide market prospect.
The utility model adopts the technical proposal that: a water-saving anti-blocking infiltrating irrigation device comprises a water tank, a filter, a main pipe, a plurality of branch pipes and a plurality of capillary pipes, wherein the main pipe and the plurality of branch pipes are buried underground;
the filter consists of a hollow cylindrical structure and at least two ceramic filter cores, the ceramic filter cores are cylindrical structures matched with the cylindrical structure, the ceramic filter cores are inserted into the cylindrical structure at certain intervals, impurity discharging pipes are arranged on the side wall of the cylindrical structure between the ceramic filter cores and the water inlet end of the cylindrical structure, and the impurity discharging pipes are also arranged on the side wall of the cylindrical structure between two adjacent ceramic filter cores;
the infiltration head is composed of a shell and a carbon core which takes carbon powder as a raw material and has a certain particle size, the carbon core is coated by the shell, and one end of the shell is provided with a joint connected with a capillary.
The water quantity sensor for controlling the water quantity of the infiltrating irrigation is connected between the water tank and the filter and is connected with the microcomputer control end through a transmission line, the electric control valve for controlling the closing of the infiltrating irrigation water flow is connected between the filter and the main pipe and is connected with the microcomputer control end through a transmission line, and the humidity sensors for controlling the water content of the soil are uniformly buried at a certain depth position under the soil according to 2-3 sensors per mu and are connected with the microcomputer control end through the transmission line.
Further, the current stabilizer consists of an upper shell, a lower shell and a gasket; wherein,
a boss protrudes from the top of the shell in the upper shell, the outer side of the boss and the inner wall of the upper shell form an annular cavity for containing water, a counter bore is arranged at the top end of the boss, the bottom of the counter bore is communicated with a water inlet pipe of the flow stabilizer, a bent water channel is annularly dug at the bottom of the counter bore by taking the pipe orifice of the water inlet pipe as the center, the water inlet pipe of the flow stabilizer is communicated with the water channel, and the outlet of the water channel is communicated with the annular cavity;
the interior of the lower shell is provided with a cavity, the bottom of the cavity is raised with a raised head, and a water outlet pipe of the current stabilizer penetrates through the raised head to be communicated with the cavity;
the washer is placed in the counter bore of the upper shell, the upper shell and the lower shell are connected together in a threaded buckling mode, and the speed of water flow is adjusted through the fact that the protruding head pushes and presses the gap between the washer and the counter bore along with the change of the buckling depth of the lower shell.
Furthermore, the water inlet device comprises a filter screen, wherein the filter screen covers one side of the ceramic filter core, which is positioned at the water inlet end, and the specification of the filter screen is 200-400 meshes.
Further, the carbon core of the infiltration head is a solid carbon rod or a carbon tube which is made of one or two of carbon block powder, carbon or activated carbon and has the granularity of 20-80 meshes.
Further, the carbon core of the infiltration head is a solid carbon rod or a carbon tube which is made of one or two of carbon or activated carbon and has a nanoscale particle size of 50-150 nanometers.
Compared with the prior art, the utility model its beneficial effect is: the infiltrating irrigation device of the utility model is used for local underground irrigation, does not moisten crops and surface soil, wets the soil from bottom to top by virtue of capillary action, keeps loose soil, has relatively dry surface soil layer, does not lose soil, fertilizer and water, and has little natural loss such as surface evaporation; secondly, the anti-blocking infiltrating irrigation device of the utility model seeps water through the pipe network water supply system embedded underground and the infiltrating irrigation head arranged on the water supply branch pipe, directly, evenly and slowly delivers water to the root area of crops at low pressure and small flow, wets soil and is used for crops to absorb and utilize; the infiltration head of the utility model is a carbon core with a certain mesh number of granularity made by using carbon powder as raw material, and the infiltration head is combined with a flow stabilizer to keep the water yield of each infiltration head consistent, thereby realizing uniform irrigation; the utility model has simple structure, few accessories, easy installation and maintenance and convenient use; fifthly, the utility model can be used for agricultural activities such as pruning, harvesting and the like while infiltrating irrigation; sixthly, the utility model is especially suitable for the infiltrating irrigation operation of sloping fields, sand fields, forest cultivation, certain terrains which can not be irrigated or uneven ground, and has remarkable effect on improving saline-alkali soil.
The utility model discloses a prevent stifled filtration irrigation device after coming out, successively demonstrate the application on saving inside and outside twenty a plurality of points, through information feedback, show that the device technical performance is good, ripe reliable, the yield-increasing effect is showing.
The utility model discloses an infiltrating irrigation device compares the effect as follows with traditional irrigation equipment:
infiltrating irrigation is carried out in 500 mu peach gardens in the county of the city just over 29463in 2003, the per mu yield of infiltrating irrigation is about 3000 jin, the single fruit weight is 200 jin and 250 g, the market selling price is 1-1.5 yuan per jin, the net yield increase value is 100 ten thousand yuan, while in peach gardens without infiltrating irrigation, the per mu yield is only about 1000 jin, the average single fruit weight is 50 g, and the selling price is 0.3-0.4 yuan per jin.
The method is characterized in that refuse and Luyuan Town town in Gaolun county of Shaanxi province 9 months 2008 are used in 31 vegetable greenhouses for infiltrating irrigation, no plant diseases and insect pests occur, the vegetables appear on the market 5-15 days early, the yield per mu is increased by 400 plus 600 yuan in the early period, and the income per mu of the vegetables in one season is increased by 2000 yuan.
The utility model discloses a prevent stifled filtration irrigation equipment, 8 month 7 days begin to implement filtration irrigation, and to 2006 month 4 month 22 days, his tomato has produced 9918 jin, receives 7500 yuan, and other brother and other two kind size, and the tomato of same breed only produces 6800 jin, receives 5300 yuan to the seedling of drawing has been produced absolutely, and a certain 1000 jin tomato of plum still waits to be picked, the increase production 50% below comparing.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the filter construction;
FIG. 3 is a half-section exploded view of the flow stabilizer;
fig. 4 is a front view of the upper housing of the current stabilizer;
fig. 5 is a schematic structural diagram of the infiltration head.
Detailed Description
Example 1
As shown in fig. 1, a water-saving anti-blocking infiltrating irrigation device comprises a water tank 1, a filter 2, a main pipe 3, a plurality of branch pipes 4, a plurality of capillary pipes 5, a flow stabilizer 8 and an infiltrating head 9, wherein the main pipe 3, the plurality of branch pipes 4, the capillary pipes 5, the flow stabilizer 8 and the infiltrating head 9 are buried underground, the water tank 1 is communicated with a water inlet 6 of the filter 2 through a water pipe, a water outlet 7 of the filter 2 is communicated with the main pipe 3 through a water pipe, the main pipe 3 is communicated with the plurality of branch pipes 4, each branch pipe 4 is connected with the plurality of capillary pipes 5, a water inlet pipe 24 of the flow stabilizer 8 is connected with the branch pipes 4, a water outlet pipe 25;
as shown in fig. 2, the filter 2 is composed of a hollow cylindrical structure 10, two ceramic filter cores 11 and a filter screen 12, the ceramic filter cores 11 are the cylindrical structures 10 matched with the cylindrical structure 10, the ceramic filter cores 11 are inserted into the cylindrical structure 10 at certain intervals, an impurity discharge pipe 13 is arranged on the side wall of the cylindrical structure 10 between the ceramic filter cores 11 and the water inlet end of the cylindrical structure 10, and an impurity discharge pipe 13 is also arranged on the side wall of the cylindrical structure 10 between two adjacent ceramic filter cores 11; the filter screen 12 covers one side of the ceramic filter element 11 at the water inlet end, and the size of the filter screen 12 is 200 meshes.
As shown in fig. 5, the infiltration head 9 is composed of a shell 14 and a carbon core 15 which takes carbon powder as a raw material and has a certain particle size, the carbon core 15 is covered by the shell 14, and one end of the shell 14 is provided with a joint 16 connected with the capillary 5; the carbon core 15 of the infiltration head 9 is a solid carbon rod or a carbon tube which is made of carbon block powder and activated carbon and has the granularity of 50 meshes.
As shown in fig. 3, the current stabilizer 8 is composed of an upper shell 18, a lower shell 19 and a gasket 20; wherein,
as shown in fig. 4, a boss 21 protrudes from the top of the upper housing 18, an annular cavity 22 for containing water is defined by the outer side of the boss 21 and the inner wall of the upper housing 18, a counter bore 23 is arranged at the top end of the boss 21, the bottom of the counter bore 23 is communicated with a water inlet pipe 24 of the flow stabilizer 8, a bent water channel 26 is annularly dug at the bottom of the counter bore 23 by taking the pipe orifice of the water inlet pipe 24 as the center, the water inlet pipe 24 of the flow stabilizer 8 is communicated with the water channel 26, and the outlet of the water channel 26 is communicated with the annular cavity 22;
as shown in fig. 3, the interior of the lower shell 19 is a cavity 27, a raised head 28 protrudes from the bottom of the cavity 27, and the water outlet pipe 25 of the current stabilizer 8 passes through the raised head 28 to communicate with the cavity 27;
the gasket 20 is placed in the counterbore 23 of the upper shell 18, the upper shell 18 and the lower shell 19 are connected together in a threaded buckling mode, and the speed of water flow is adjusted by pressing the clearance between the gasket 20 and the counterbore 23 through the raised heads 28 along with the change of the buckling depth of the lower shell 19.
Example 2
As shown in fig. 1, a water-saving anti-blocking infiltrating irrigation device comprises a water tank 1, a filter 2, a main pipe 3, a plurality of branch pipes 4, a plurality of capillary pipes 5, a current stabilizer 8, an infiltrating head 9, a water quantity sensor 29, an electric control valve 30, a humidity sensor 31 and a microcomputer control end 32, wherein the main pipe 3, the capillary pipes 5, the current stabilizer 8 and the main pipe 5 are buried underground, the water tank 1 is communicated with a water inlet 6 of the filter 2 through a water pipe, a water outlet 7 of the filter 2 is communicated with the main pipe 3 through a water pipe, the main pipe 3 is communicated with the plurality of branch pipes 4, each branch pipe 4 is connected with the plurality of capillary pipes 5, a water inlet pipe 24 of the current stabilizer 8 is connected with the branch pipes 4, a water outlet pipe 25 of; a water quantity sensor 29 for controlling the quantity of infiltrating irrigation water is connected between the water tank 1 and the filter 2 and is connected with a microcomputer control end 32 through a transmission line, an electric control valve 30 for controlling the closing of infiltrating irrigation water flow is connected between the filter 2 and the main pipe 3 and is connected with the microcomputer control end 32 through a transmission line, and humidity sensors 31 for controlling the water content of soil are uniformly buried at a certain depth position under the soil according to 2-3 per mu and are connected with the microcomputer control end 32 through a transmission line;
as shown in fig. 2, the filter 2 is composed of a hollow cylindrical structure 10, two ceramic filter cores 11 and a filter screen 12, the ceramic filter cores 11 are the cylindrical structures 10 matched with the cylindrical structure 10, the ceramic filter cores 11 are inserted into the cylindrical structure 10 at certain intervals, an impurity discharge pipe 13 is arranged on the side wall of the cylindrical structure 10 between the ceramic filter cores 11 and the water inlet end of the cylindrical structure 10, and an impurity discharge pipe 13 is also arranged on the side wall of the cylindrical structure 10 between two adjacent ceramic filter cores 11; the filter screen 12 covers one side of the ceramic filter element 11 at the water inlet end, and the size of the filter screen 12 is 400 meshes.
As shown in fig. 5, the infiltration head 9 is composed of a shell 14 and a carbon core 15 which takes carbon powder as a raw material and has a certain particle size, the carbon core 15 is covered by the shell 14, and one end of the shell 14 is provided with a joint 16 connected with the capillary 5; the carbon core 15 of the infiltration head 9 is a solid carbon rod or a carbon tube which is made of carbon and activated carbon and has the nanoscale particle size of 60 nanometers.
As shown in fig. 3, the current stabilizer 8 is composed of an upper shell 18, a lower shell 19 and a gasket 20; wherein,
as shown in fig. 4, a boss 21 protrudes from the top of the upper housing 18, an annular cavity 22 for containing water is defined by the outer side of the boss 21 and the inner wall of the upper housing 18, a counter bore 23 is arranged at the top end of the boss 21, the bottom of the counter bore 23 is communicated with a water inlet pipe 24 of the flow stabilizer 8, a bent water channel 26 is annularly dug at the bottom of the counter bore 23 by taking the pipe orifice of the water inlet pipe 24 as the center, the water inlet pipe 24 of the flow stabilizer 8 is communicated with the water channel 26, and the outlet of the water channel 26 is communicated with the annular cavity 22;
as shown in fig. 3, the interior of the lower shell 19 is a cavity 27, a raised head 28 protrudes from the bottom of the cavity 27, and the water outlet pipe 25 of the current stabilizer 8 passes through the raised head 28 to communicate with the cavity 27;
the gasket 20 is placed in the counterbore 23 of the upper shell 18, the upper shell 18 and the lower shell 19 are connected together in a threaded buckling mode, and the speed of water flow is adjusted by pressing the clearance between the gasket 20 and the counterbore 23 through the raised heads 28 along with the change of the buckling depth of the lower shell 19.
Claims (6)
1. A water-saving anti-blocking infiltrating irrigation device comprises a water tank, a filter, a main pipe, a plurality of branch pipes and a plurality of capillary pipes, wherein the main pipe and the plurality of branch pipes are buried underground;
the filter consists of a hollow cylindrical structure and at least two ceramic filter cores, the ceramic filter cores are cylindrical structures matched with the cylindrical structure, the ceramic filter cores are inserted into the cylindrical structure at certain intervals, impurity discharging pipes are arranged on the side wall of the cylindrical structure between the ceramic filter cores and the water inlet end of the cylindrical structure, and the impurity discharging pipes are also arranged on the side wall of the cylindrical structure between two adjacent ceramic filter cores;
the infiltration head is composed of a shell and a carbon core which takes carbon powder as a raw material and has a certain particle size, the carbon core is coated by the shell, and one end of the shell is provided with a joint connected with a capillary.
2. The water-saving anti-blocking infiltrating irrigation device according to claim 1, which includes a water quantity sensor, a humidity sensor, an electric control valve and a microcomputer control end, the water quantity sensor for controlling the infiltrating irrigation water quantity is connected between the water tank and the filter and connected with the microcomputer control end through a transmission line, the electric control valve for controlling the closing of the infiltrating irrigation water flow is connected between the filter and the main pipe and connected with the microcomputer control end through a transmission line, the humidity sensors for controlling the water content of the soil are uniformly buried at a certain depth position under the soil according to 2-3 per mu and connected with the microcomputer control end through a transmission line.
3. The water-saving anti-blocking infiltrating irrigation device according to claim 1 or 2, wherein the flow stabilizer is composed of an upper shell, a lower shell and a gasket;
a boss protrudes from the top of the shell in the upper shell, the outer side of the boss and the inner wall of the upper shell form an annular cavity for containing water, a counter bore is arranged at the top end of the boss, the bottom of the counter bore is communicated with a water inlet pipe of the flow stabilizer, a bent water channel is annularly dug at the bottom of the counter bore by taking the pipe orifice of the water inlet pipe as the center, the water inlet pipe of the flow stabilizer is communicated with the water channel, and the outlet of the water channel is communicated with the annular cavity;
the interior of the lower shell is provided with a cavity, the bottom of the cavity is raised with a raised head, and a water outlet pipe of the current stabilizer penetrates through the raised head to be communicated with the cavity;
the washer is placed in the counter bore of the upper shell, the upper shell and the lower shell are connected together in a threaded buckling mode, and the speed of water flow is adjusted through the fact that the protruding head pushes and presses the gap between the washer and the counter bore along with the change of the buckling depth of the lower shell.
4. The water-saving anti-blocking infiltrating irrigation device according to claim 1 or 2, comprising a filter screen, wherein the filter screen covers one side of the ceramic filter core at the water inlet end, and the filter screen has a specification of 200-400 meshes.
5. The water-saving anti-blocking infiltrating irrigation device according to any one of claims 1 or 2, wherein the carbon core of the infiltrating head is a solid carbon rod or carbon pipe made of any one of carbon block powder, carbon or activated carbon and having a particle size of 20-80 meshes.
6. The water-saving anti-blocking infiltrating irrigation device according to any one of claims 1 or 2, wherein the carbon core of the infiltrating head is a solid carbon rod or carbon tube made of any one of carbon or activated carbon with nano-scale particle size of 50-150 nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712451.8U CN205052395U (en) | 2015-09-16 | 2015-09-16 | Stifled permeation irrigation device is prevented in water conservation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712451.8U CN205052395U (en) | 2015-09-16 | 2015-09-16 | Stifled permeation irrigation device is prevented in water conservation |
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| Publication Number | Publication Date |
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| CN205052395U true CN205052395U (en) | 2016-03-02 |
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| CN201520712451.8U Expired - Fee Related CN205052395U (en) | 2015-09-16 | 2015-09-16 | Stifled permeation irrigation device is prevented in water conservation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106332740A (en) * | 2016-08-31 | 2017-01-18 | 三峡大学 | Underground intelligent drip irrigation system for ecological remediation on high and steep slope and control method |
| CN108990766A (en) * | 2017-06-07 | 2018-12-14 | 翟世彦 | Farmland underground, which fills, seeps water-saving new technique |
| CN109042242A (en) * | 2018-08-20 | 2018-12-21 | 内蒙古农业大学 | A kind of embanked field furrow ditch divides filling device |
-
2015
- 2015-09-16 CN CN201520712451.8U patent/CN205052395U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106332740A (en) * | 2016-08-31 | 2017-01-18 | 三峡大学 | Underground intelligent drip irrigation system for ecological remediation on high and steep slope and control method |
| CN106332740B (en) * | 2016-08-31 | 2020-02-11 | 三峡大学 | Underground intelligent drip irrigation system for ecological restoration of high and steep slope and control method |
| CN108990766A (en) * | 2017-06-07 | 2018-12-14 | 翟世彦 | Farmland underground, which fills, seeps water-saving new technique |
| CN109042242A (en) * | 2018-08-20 | 2018-12-21 | 内蒙古农业大学 | A kind of embanked field furrow ditch divides filling device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20210916 |
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| CF01 | Termination of patent right due to non-payment of annual fee |