CN211881043U - Water, fertilizer, gas and heat integrated irrigation system - Google Patents
Water, fertilizer, gas and heat integrated irrigation system Download PDFInfo
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- CN211881043U CN211881043U CN201922487253.7U CN201922487253U CN211881043U CN 211881043 U CN211881043 U CN 211881043U CN 201922487253 U CN201922487253 U CN 201922487253U CN 211881043 U CN211881043 U CN 211881043U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 142
- 238000003973 irrigation Methods 0.000 title claims abstract description 61
- 230000002262 irrigation Effects 0.000 title claims abstract description 61
- 239000007789 gas Substances 0.000 title claims abstract description 48
- 239000003337 fertilizer Substances 0.000 title claims abstract description 40
- 239000003621 irrigation water Substances 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000004720 fertilization Effects 0.000 claims abstract description 17
- 238000004321 preservation Methods 0.000 claims description 21
- 239000002689 soil Substances 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 18
- 210000003608 fece Anatomy 0.000 abstract description 17
- 239000010871 livestock manure Substances 0.000 abstract description 17
- 230000010354 integration Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model relates to an irrigation system technical field, concretely relates to liquid manure gas heat integration irrigation system, include: locate the fertilization jar between field irrigation pipe network and the irrigation water tank, be equipped with inlet tube, dog-house and rabbling mechanism in the fertilization jar, rabbling mechanism locates the top of inlet tube, set up the trompil of a plurality of irrigation water output after allowing inside air entrainment on the inlet tube, the internal diameter of trompil is less than the diameter of the bubble in the irrigation water after the air entrainment. The utility model provides a water, fertilizer, gas and heat integrated irrigation system with even gas filling, large gas dissolving amount and good irrigation effect.
Description
Technical Field
The utility model relates to an irrigation system technical field, concretely relates to liquid manure gas heat integration irrigation system.
Background
Five major factors essential for crop growth are water, fertilizer, gas, heat and light, the five major factors are all indispensable, and the influence of gas and heat is easily ignored in agricultural production, so that the plant growth is inhibited, and the yield and the quality of crops are influenced. Due to the fact that water resources are insufficient in northwest regions, film mulching planting is common, on one hand, film mulching has certain effects on soil temperature increase and heat preservation, on the other hand, the contact area of soil and air is reduced due to film mulching, and the phenomenon of crop root zone oxygen deficiency is aggravated. In actual agricultural production, the aqueous vapor is the spear body of mutual restriction in the soil, and in traditional irrigation process, irrigate when satisfying crop moisture needs, got rid of the air in the soil, lead to oxygen content reduction in the soil. Although some irrigation modes for aerating in irrigation water exist at present, the problems that aeration is not uniform, the gas dissolution amount is small and the irrigation effect is influenced still exist.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming irrigation system among the prior art irrigation water air entrainment inhomogeneous, and gaseous dissolved quantity is little, influences irrigation effect's defect to provide an air entrainment even, gaseous dissolved quantity is big, irrigates the hot integration irrigation system of effectual liquid manure gas.
In order to solve the technical problem, the utility model provides a hot integration irrigation system of liquid manure gas, include:
locate the fertilization jar between field irrigation pipe network and the irrigation water tank, be equipped with inlet tube, dog-house and rabbling mechanism in the fertilization jar, rabbling mechanism locates the top of inlet tube, set up the trompil of a plurality of irrigation water output after allowing inside air entrainment on the inlet tube, the internal diameter of trompil is less than the diameter of the bubble in the irrigation water after the air entrainment.
The hot integration irrigation system of liquid manure gas, still be equipped with first filter screen and the second filter screen that mutually perpendicular set up in the fertilization jar, first filter screen with the second filter screen will fertilization jar is inside to be divided into throws material district, liquid manure gas mixing area and liquid manure delivery area, the inlet tube with rabbling mechanism all locates in the liquid manure gas mixing area, the fertilizer warp of throwing the material district the second filter screen gets into liquid manure gas mixing area with the irrigation water after the air entrainment stirs the back warp first filter screen gets into liquid manure delivery area output.
The hot integration irrigation system of liquid manure gas, irrigation water tank with be provided with air entrainment mechanism between the fertilization jar, air entrainment mechanism is including parallelly connected venturi, back flow and the irrigation water conveyer pipe that sets up, venturi with the irrigation water conveyer pipe is not opened simultaneously.
The water, fertilizer, gas and heat integrated irrigation system is characterized in that a first pressure sensor and a second pressure sensor are respectively arranged at the inlet and the outlet of the Venturi tube, and the first pressure sensor and the second pressure sensor are in signal connection with the return pipe through a controller.
The water, fertilizer, gas and heat integrated irrigation system is characterized in that a thermostatic valve and a water injection pipe connected with the thermostatic valve are further arranged at the inlet of the Venturi tube, and the thermostatic valve is in signal connection with the controller.
The water, fertilizer, gas and heat integrated irrigation system further comprises a heat preservation water tank and a water source heat pump which are connected with an inlet of the irrigation water tank, and the heat preservation water tank is connected with the water source heat pump.
The water, fertilizer, gas and heat integrated irrigation system is characterized in that the heat-preservation water tank is also connected with a solar photovoltaic mechanism.
The water, fertilizer, gas and heat integrated irrigation system is characterized in that the solar photovoltaic mechanism is connected with the controller through a storage battery.
The water, fertilizer and gas heat integrated irrigation system is characterized in that a first water level sensor and a first water temperature sensor are arranged in the heat-preservation water tank, a second water level sensor and a second water temperature sensor are arranged in the irrigation water tank, and the first water level sensor, the first water temperature sensor, the second water level sensor and the second water temperature sensor are all in signal connection with the controller.
The water, fertilizer, gas and heat integrated irrigation system is characterized in that a soil temperature sensor connected with the controller is arranged in the field irrigation pipe network.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a liquid manure gas-heat integration irrigation system, irrigation water after the air entrainment is exported through the trompil of inlet tube, and the internal diameter of trompil is less than the diameter of the bubble in irrigation water after the air entrainment, makes the big bubble that does not dissolve in irrigation water smash into the small bubble once like this to smash under the effect of rabbling mechanism twice in the process of rising, thereby make gas fully dissolve in irrigation water, guaranteed the homogeneity of air entrainment; and the irrigation water and the fertilizer which are fully dissolved with gas are mixed under the action of the stirring mechanism, so that the fertilizer efficiency of the output water-fertilizer-gas-heat mixed liquid is better, and the irrigation effect is improved.
2. The utility model provides a hot integration irrigation system of liquid manure gas, venturi import and export first pressure sensor and second pressure sensor's setting for venturi both ends pressure remains invariable throughout, guarantees the normal clear of air entrainment.
3. The utility model provides a liquid manure gas heat integration irrigation system, the constancy of irrigation water temperature has been guaranteed in setting up of thermostatic valve and water injection pipe, holding water box and water source heat pump, has satisfied the irrigation requirement.
4. The utility model provides a hot integration irrigation system of liquid manure gas, first level sensor, first temperature sensor, second level sensor, second temperature sensor and soil temperature sensor's setting for irrigation system can in time adjust temperature and water yield according to the actual demand, satisfies the demand of crop to the hydrothermal gas.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a water, fertilizer, gas and heat integrated irrigation system provided by the present invention;
fig. 2 is a schematic view of the fertilization tank of fig. 1.
Description of reference numerals:
1. a heat preservation water tank; 2. a filter; 3. a circulation pump; 4. a solar photovoltaic mechanism; 5. a first solenoid valve; 6. a second solenoid valve; 7. a battery pack; 8. a controller; 9. a first water level sensor; 10. a first water temperature sensor; 11. a third electromagnetic valve; 12. a water source heat pump; 13. an irrigation water tank; 14. a second water temperature sensor; 15. a second water level sensor; 16. a water pump; 17. a thermostatic valve; 18. a water injection pipe; 19. a fourth solenoid valve; 20. a venturi tube; 21. a fifth solenoid valve; 22. a tee joint; 23. a sixth electromagnetic valve; 24. A return pipe; 25. a fertilizing tank; 26. an electric motor; 27. a stirring rod; 28. a first filter screen; 29. a stirring paddle; 30. a water inlet pipe; 31. opening a hole; 32. a feeding port; 33. a second filter screen; 34. a switch port; 35. A waste valve; 36. a soil temperature sensor; 37. a first pressure sensor; 38. a second pressure sensor.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
A specific embodiment of the water, fertilizer, gas and heat integrated irrigation system shown in fig. 1-2 comprises a fertilization tank 25, a gas filling mechanism, an irrigation water tank 13, a heat preservation water tank 1, a water source heat pump 12, a solar photovoltaic mechanism 4 and a controller 8 which are sequentially connected with a field irrigation pipe network. Be equipped with inlet tube 30, dog-house 32 and rabbling mechanism in the fertilization jar 25, the rabbling mechanism is located inlet tube 30's top, the rabbling mechanism includes electric motor 26, the puddler 27 of being connected with electric motor 26 and locates the stirring rake 29 of the puddler 27 other end. The water inlet pipe 30 is provided with a plurality of circular holes 31 allowing the aerated irrigation water to be output, and the inner diameter of each circular hole 31 is smaller than the diameter of each bubble in the aerated irrigation water, so that large undissolved bubbles are broken into small bubbles.
Still be equipped with the first filter screen 28 and the second filter screen 33 that mutually perpendicular set up in the fertilization jar 25, first filter screen 28 with second filter screen 33 will fertilization jar 25 is inside to be divided into and to throw material district, liquid manure gas mixture district and liquid manure output area. The water inlet pipe 30 and the stirring mechanism are arranged in the water-fertilizer-gas mixing area, fertilizer enters the feeding area through the switch port 34 and the feeding port 32, enters the water-fertilizer-gas mixing area through the second filter screen 33, is stirred and mixed with aerated irrigation water, and then enters the water-fertilizer output area through the first filter screen 28 to be output. The lower part of the fertilizing tank is provided with a waste valve 35 for removing fertilizer residues.
The air entrainment mechanism is including parallelly connected venturi 20, back flow 24 and the irrigation water conveyer pipe that sets up, and venturi 20 and back flow 24 pass through tee 22 and connect, venturi 20 with the irrigation water conveyer pipe is not opened simultaneously. The inlet of the venturi tube 20 is connected to a water pump 16 in the irrigation water tank 13 via a fourth solenoid valve 19 to add gas to the irrigation water tank 13. A first pressure sensor 37 and a second pressure sensor 38 are respectively arranged at the inlet and the outlet of the venturi tube 20, and the first pressure sensor 37 and the second pressure sensor 38 are in signal connection with the return pipe 24 through a controller 8. After the irrigation is carried out for a certain time, because the moisture around the drip irrigation tape is increased, the internal and external pressure difference of the drip irrigation tape is reduced, the flow of the drip irrigation tape is reduced, the pressure at the water outlet end of the Venturi tube 20 is increased, the flow velocity of water flow in the Venturi tube 20 is reduced, at the moment, the second pressure sensor 38 transmits pressure change information to the controller 8, the controller 8 opens the sixth electromagnetic valve 23 on the return pipe 24, the pressure at the two ends of the Venturi tube 20 is always kept constant by controlling the flow of the sixth electromagnetic valve 23, and the normal gas filling is ensured. The fifth solenoid valve 21 on the irrigation water delivery pipe is closed during the aeration process.
The venturi tube 20 is further provided with a thermostatic valve 17 and a water injection pipe 18 connected with the thermostatic valve 17 at the inlet, the thermostatic valve 17 is set to 30 degrees in temperature, the thermostatic valve 17 is in signal connection with the controller 8, and the through hole controller 8 controls the water injection pipe 18 to be opened and closed.
The water inlet and outlet of the irrigation water tank 13 are respectively arranged at the upper part and the lower part, and a second water level sensor 15 and a second water temperature sensor 14 which are in signal connection with the controller 8 are arranged in the irrigation water tank 13.
The inlet of irrigation water tank 13 is connected with holding water tank 1 and water source heat pump 12 simultaneously, holding water tank 1 with water source heat pump 12 connects. The materials in the heat preservation water tank 1 and the irrigation water tank 13 are hard polyurethane foam with good heat preservation performance. 1 water holding tank is located irrigation tank 13 top, and 1 water inlet of water holding tank and delivery port set up respectively on upper portion and lower part, and the external water filling port of 1 water inlet of water holding tank, second solenoid valve 6 are located this pipeline, and 1 delivery port of water holding tank passes through the pipeline to be connected with irrigation tank 13 water inlet, and first solenoid valve 5 is located this pipeline. A filter 2, a first water level sensor 9 and a first water temperature sensor 10 are arranged in the heat preservation water tank 1. The inlet port of the water source heat pump 12 is communicated with the outlet at the lower part of the heat preservation water tank 1 through a pipeline, the third electromagnetic valve 11 is positioned on the pipeline, and the outlet port of the water source heat pump 12 is connected with the inlet at the upper part of the irrigation water tank 13.
The solar photovoltaic mechanism 4 is connected with the heat preservation water tank 1 through the circulating pump 3 to heat water in the heat preservation water tank 1 in a non-irrigation period, and store generated electric energy in the storage battery pack 7. The solar photovoltaic mechanism 4 is connected with the controller 8 through a storage battery pack 7.
And a soil temperature sensor 36 connected with the controller 8 is arranged in the field irrigation pipe network so as to send the soil temperature to the controller 8 in real time for adjusting irrigation water. The soil temperature sensor 36 is buried in the soil of the crop area with the depth of 15cm and the buried depth of the drip irrigation tape of 15 cm.
The controller 8 is turned on in the irrigation period, the soil temperature sensor 36 feeds back the soil temperature T1 of the root zone of the crops to the controller 8, and the first water temperature sensor 10 feeds back the temperature T2 of the holding water tank 1 to the controller 8. Fertilizer is added through the opening and closing port 34 of the fertilizing tank 25, the feeding port 32 of the fertilizing tank 25 is opened, and the feeding port 32 and the opening and closing port 34 are closed. If T1 is more than or equal to 30 ℃ and less than or equal to T2, the temperature of water is higher than the requirement of irrigation water temperature in the holding water tank 1 at this moment, first solenoid valve 5 is opened to controller 8, when irrigation water tank 13 water level reaches a take the altitude, second level sensor 15 feeds back information to controller 8, controller 8 closes first solenoid valve 5, open second solenoid valve 6 and for holding water tank 1 water injection, when holding water tank 1 water level reaches a take the altitude, first level sensor 9 feeds back information to controller 8, controller 8 closes second solenoid valve 6, solar photovoltaic mechanism 4 continues to work. Meanwhile, the controller 8 turns on the water pump 16, the fourth electromagnetic valve 19 and the electric motor 26, and water in the irrigation water tank 13 passes through the thermostatic valve 17 and reaches the water temperature of 30 ℃ through automatic adjustment of the thermostatic valve 17, namely, water is injected through the water injection pipe 18. If the temperature is higher than 30 ℃ and is higher than T1 and higher than T2, the water temperature of the heat preservation water tank 1 does not meet the requirement of irrigation water temperature at the moment, the controller 8 opens the third electromagnetic valve 11 and the water source heat pump 12, the water source heat pump 12 heats the water of the heat preservation water tank 1 at the moment and sends the heated water to the irrigation water tank 13, the heating temperature of the water source heat pump 12 is set to be 25 ℃, when the water level of the irrigation water tank 13 reaches a certain height, the second water level sensor 15 feeds back information to the controller 8, the controller 8 closes the third electromagnetic valve 11 and the water source heat pump 12, the second electromagnetic valve 6 is opened to fill water into the heat preservation water tank 1, when the water level of the heat preservation water tank 1 reaches a certain height, the first water level sensor 9 feeds back information to the controller 8. Meanwhile, the controller 8 turns on the water pump 16, the fourth electromagnetic valve 19 and the electric motor 26, water in the irrigation water tank 13 passes through the thermostatic valve 17, the thermostatic valve 17 does not adjust the temperature at the moment, and the water temperature is constant at 25 ℃.
Research shows that excessive air-entrapping has negative influence on the growth of crops, so that after the air-entrapping process is operated for 2-3 hours, the controller 8 closes the fourth electromagnetic valve 19 and the sixth electromagnetic valve 23, opens the fifth electromagnetic valve 21 at the same time, stops air-entrapping, and feeds irrigation water into the fertilization tank 25 from an irrigation pipeline where the fifth electromagnetic valve 21 is located, fully stirs the irrigation water with fertilizers and then conveys the irrigation water to a field irrigation pipe network.
When irrigation water tank 13 water level is less than a take the altitude, second level sensor 15 feeds back information to controller 8, and controller 8 closes water pump 16, electric motor 26, and system's stop operation this moment opens fertilization jar 25 bottom waste material valve 35, clears away the fertilizer residue.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A water, fertilizer, gas and heat integrated irrigation system is characterized by comprising:
locate the fertilization jar between field irrigation pipe network and the irrigation water tank, be equipped with inlet tube, dog-house and rabbling mechanism in the fertilization jar, rabbling mechanism locates the top of inlet tube, set up the trompil of a plurality of irrigation water output after allowing inside air entrainment on the inlet tube, the internal diameter of trompil is less than the diameter of the bubble in the irrigation water after the air entrainment.
2. The water, fertilizer, gas and heat integrated irrigation system according to claim 1, wherein a first filter screen and a second filter screen which are perpendicular to each other are further arranged in the fertilizer application tank, the first filter screen and the second filter screen divide the interior of the fertilizer application tank into a feeding area, a water, fertilizer and gas mixing area and a water and fertilizer output area, the water inlet pipe and the stirring mechanism are both arranged in the water, fertilizer and gas mixing area, and fertilizer in the feeding area enters the water, fertilizer and gas mixing area through the second filter screen, is stirred and mixed with aerated irrigation water, and then enters the water and fertilizer output area through the first filter screen to be output.
3. The water, fertilizer, gas and heat integrated irrigation system according to claim 1 or 2, wherein a gas filling mechanism is arranged between the irrigation water tank and the fertilization tank, the gas filling mechanism comprises a venturi tube, a return tube and an irrigation water delivery pipe which are arranged in parallel, and the venturi tube and the irrigation water delivery pipe are not opened at the same time.
4. The water, fertilizer, gas and heat integrated irrigation system as recited in claim 3, wherein a first pressure sensor and a second pressure sensor are respectively arranged at an inlet and an outlet of the venturi tube, and the first pressure sensor and the second pressure sensor are in signal connection with the return pipe through a controller.
5. The water, fertilizer, gas and heat integrated irrigation system as claimed in claim 4, wherein a thermostatic valve and a water injection pipe connected with the thermostatic valve are further arranged at the inlet of the venturi tube, and the thermostatic valve is in signal connection with the controller.
6. The water, fertilizer, gas and heat integrated irrigation system according to claim 4, further comprising a heat preservation water tank and a water source heat pump which are connected with an inlet of the irrigation water tank, wherein the heat preservation water tank is connected with the water source heat pump.
7. The water, fertilizer, gas and heat integrated irrigation system according to claim 6, wherein the heat-preservation water tank is further connected with a solar photovoltaic mechanism.
8. The water, fertilizer, gas and heat integrated irrigation system according to claim 7, wherein the solar photovoltaic mechanism is connected with the controller through a storage battery.
9. The water, fertilizer, gas and heat integrated irrigation system as claimed in claim 6, wherein a first water level sensor and a first water temperature sensor are arranged in the heat preservation water tank, a second water level sensor and a second water temperature sensor are arranged in the irrigation water tank, and the first water level sensor, the first water temperature sensor, the second water level sensor and the second water temperature sensor are all in signal connection with the controller.
10. The integrated water, fertilizer, gas and heat irrigation system according to any one of claims 4-9, wherein a soil temperature sensor connected with the controller is arranged in the field irrigation pipe network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922487253.7U CN211881043U (en) | 2019-12-31 | 2019-12-31 | Water, fertilizer, gas and heat integrated irrigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922487253.7U CN211881043U (en) | 2019-12-31 | 2019-12-31 | Water, fertilizer, gas and heat integrated irrigation system |
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| Publication Number | Publication Date |
|---|---|
| CN211881043U true CN211881043U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922487253.7U Expired - Fee Related CN211881043U (en) | 2019-12-31 | 2019-12-31 | Water, fertilizer, gas and heat integrated irrigation system |
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| Country | Link |
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| CN (1) | CN211881043U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111066439A (en) * | 2019-12-31 | 2020-04-28 | 石河子大学 | Water, fertilizer, gas and heat integrated irrigation system |
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2019
- 2019-12-31 CN CN201922487253.7U patent/CN211881043U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111066439A (en) * | 2019-12-31 | 2020-04-28 | 石河子大学 | Water, fertilizer, gas and heat integrated irrigation system |
| CN111066439B (en) * | 2019-12-31 | 2024-04-26 | 石河子大学 | Water, fertilizer, gas and heat integrated irrigation system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |