CN210124094U - Water, fertilizer, gas and heat integrated intelligent irrigation system - Google Patents
Water, fertilizer, gas and heat integrated intelligent irrigation system Download PDFInfo
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- CN210124094U CN210124094U CN201920930857.1U CN201920930857U CN210124094U CN 210124094 U CN210124094 U CN 210124094U CN 201920930857 U CN201920930857 U CN 201920930857U CN 210124094 U CN210124094 U CN 210124094U
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Abstract
A water, fertilizer, gas and heat integrated intelligent irrigation system belongs to the technical field of water-saving irrigation. The utility model provides a current liquid manure integration irrigation system can't realize carrying out oxygenation and the problem that adjusts the temperature to the crop root zone. The filter sets up between water supply equipment and emitter, and through first delivery pipe intercommunication between the water supply equipment and the water inlet of filter, through second delivery pipe intercommunication between the delivery port of filter and the emitter, roots's fan and fertilization jar pass through the pipeline intercommunication with first delivery pipe respectively, the inside heating pipe that is provided with of filter, be provided with a plurality of soil moisture content sensors and a plurality of oxygen concentration detection sensor in the soil below the emitter, wherein a plurality of soil moisture content sensors all are connected with water supply equipment electricity, a plurality of oxygen concentration detection sensor all are connected with roots's fan electricity, be provided with level sensor in the fertilization jar, just level sensor is connected with water supply equipment electricity.
Description
Technical Field
The utility model relates to a liquid manure gas-heat integration intelligent irrigation system belongs to water-saving irrigation technical field.
Background
The growth environment is a key factor affecting crop yield and quality. Water, fertilizer, gas, heat and light are 5 external factors influencing the growth and development of crops, and the factors interact with each other and jointly restrict the growth and development of the crops. Light is an uncontrollable factor during the growth of field crops. For a long time, scientists have concentrated on the influence of water, fertilizer and water-fertilizer coupling on the growth and development of crops, and have less research on gas and heat. The crops can cause temporary oxygen deficiency of the root systems of the crops due to irrigation, and air in soil pores is replaced by moisture, so that the roots are short, dark in color, few in root hairs and even rotten. Most of the equipment for increasing oxygen of crops in the prior art is complex in structure, and a special aeration pipe is used for aeration, so that the air is seriously dissipated, the device is expensive, the cost is overhigh, and the equipment is not suitable for popularization and application. In addition, for the northern climate relatively cold area, the groundwater temperature for irrigation is generally lower, and is extremely unfavorable for crop growth, and solar panels are mostly adopted to heat water in the prior art, so that the cost is high, the solar panels are not easy to move, and the solar panels are greatly influenced by external conditions when in use.
Disclosure of Invention
The utility model relates to a solve the unable problem that realizes carrying out oxygenation and adjusting the temperature to the crop root zone of current liquid manure integration irrigation system, and then provide a liquid manure gas-heat integration intelligent irrigation system.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
a water, fertilizer, gas and heat integrated intelligent irrigation system, which comprises water supply equipment, a Roots blower, a fertilizing tank, a filter and a douche, the douche is buried in the soil, the filter is arranged between the water supply equipment and the douche, the water supply equipment is communicated with the water inlet of the filter through a first water supply pipe, the water outlet of the filter is communicated with the irrigator through a second water supply pipe, the Roots blower and the fertilizing tank are respectively communicated with the first water supply pipe through pipelines, the heating pipe is arranged in the filter, a plurality of soil moisture sensors and a plurality of oxygen concentration detection sensors are arranged in soil below the irrigator, wherein a plurality of soil moisture content sensor all are connected with the water supply equipment electricity, and a plurality of oxygen concentration detection sensor all are connected with roots's fan electricity, are provided with level sensor in the fertilization jar, just level sensor is connected with the water supply equipment electricity.
Furthermore, the roots blower is communicated with the first water supply pipe through an air supply pipe, the fertilization tank is provided with a water inlet pipe and a fertilizer supply pipe, the water inlet pipe and the fertilizer supply pipe are respectively communicated with the first water supply pipe, and valves are respectively arranged on the air supply pipe, the first water supply pipe between the water inlet pipe and the air supply pipe and the second water supply pipe.
Furthermore, a valve arranged on the first water supply pipe between the water inlet pipe and the air supply pipe is a stop valve, a check valve is further arranged on the second water supply pipe, and the check valve is arranged close to the douche.
The water supply equipment comprises a first constant-pressure water supply pump, a second constant-pressure water supply pump and a water storage tank, wherein the water storage tank is communicated with a water source through the first constant-pressure water supply pump, and the first water supply pipe is communicated with the water storage tank through the second constant-pressure water supply pump.
The water supply equipment further comprises a standby water pump, and the standby water pump is communicated between the first water supply pipe and a water source through a pipeline.
The air supply pipe is also provided with a booster pump.
Furthermore, a water meter is arranged on a first water supply pipe between the fertilizer supply pipe and the filter.
Compared with the prior art, the utility model has the following effect:
in the system of this application, lead to water and ventilate and use same pipeline, compare with prior art, work efficiency is high and the cost is lower, is suitable for the field crop to use. And this application carries out the heating to low temperature water through the heating pipe, and convenient and fast, it is with low costs, and dismantle easy maintenance.
The water and fertilizer efficient fertilizer supply system has the advantages that water resources are effectively saved, the water and fertilizer utilization rate is improved, the limitation of natural conditions is broken through, irrigation, fertilization, oxygenation and temperature regulation are integrated, and the water, nutrients and growth environment required by crop growth are accurately supplied by combining modern facility agriculture.
Compared with the prior art, the irrigation system is lower in equipment cost, simple to operate, convenient to maintain and higher in efficiency. When the irrigation and fertilization are carried out, external power is not needed, and the occupied area of the equipment is smaller.
Compared with the prior art of drip irrigation, the irrigation system can save water by about 20 percent, improve the utilization rate of the fertilizer by about 5 to 10 percent and increase the yield of crops by about 10 percent, and the infiltration irrigation system directly inputs water, gas and nutrients into soil at the roots of the crops to promote the absorption of the roots of the crops to the water and the nutrients and has important significance for ensuring the yield of grains.
The automatic seed degree of this application is high, can provide moisture, nutrient according to the absorption law or the actual need of crop, realizes the control to soil oxygen content through the sensor, when oxygen content is less than the settlement target value, carries out the oxygenation operation automatically. Realize automated production, effectively reduce labour's input, reduce agricultural production cost.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a flowchart of a process;
fig. 3 is a schematic diagram of a dc control circuit.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 3, and a water, fertilizer, gas and heat integrated intelligent irrigation system comprises a water supply device 1, a roots blower 2, a fertilizing tank 3, a filter 4 and an irrigation emitter 5, wherein the irrigation emitter 5 is embedded in soil, the filter 4 is arranged between the water supply device 1 and the irrigation emitter 5, the water supply device 1 is communicated with a water inlet of the filter 4 through a first water supply pipe 6, a water outlet of the filter 4 is communicated with the irrigation emitter 5 through a second water supply pipe 7, the roots blower 2 and the fertilizing tank 3 are respectively communicated with the first water supply pipe 6 through a pipeline, a heating pipe is arranged in the filter 4, a plurality of soil moisture sensors and a plurality of oxygen concentration detection sensors are arranged in soil below the irrigation emitter 5, wherein the plurality of soil moisture sensors are electrically connected with the water supply device 1, the plurality of oxygen concentration detection sensors are electrically connected with the roots blower 2, a liquid level sensor is arranged in the fertilizing tank 3 and is electrically connected with the water supply equipment 1.
The whole system is supplied with water by the water supply equipment 1, and a water source is conveyed to the douche 5; the pressurized water or air in the emitter 5 seeps out of the tube through many micro-holes or capillaries in the capillary wall and into the soil. The infiltrating irrigation pipe is an internally-embedded patch type emitter 5, and the emitter of the infiltrating irrigation pipe is provided with a self-filtering window, so that the anti-blocking performance is good. And selecting the water supply equipment 1 with the corresponding model according to the lift and the flow required by field irrigation.
The number of the douches 5 is determined according to the actual occupied area of the crops, and the douches 5 are uniformly distributed below the crops.
The irrigation emitter 5 is used for uniformly and stably distributing pressure water flow provided by the water supply equipment 1 to soil of a crop root zone to complete field irrigation and meet the requirement of crop growth on water. The water outlet flow of the douche 5 changes along with the size of the working water head, and has certain adjusting capacity. Since the irrigation water always contains a certain amount of impurities, the emitter 5 having a high resistance to clogging is selected because the flow path and orifice of the emitter 5 are small.
The first water supply pipe 6 is a metal pipe, the second water supply pipe 7 is a PVC pipe, and the main purpose is to meet the field drainage requirement and prevent field flooding. The pipe diameter is 70mm, has good impact resistance and pressure bearing capacity, and is used as a field conveying main pipe and connected with a field irrigator 5 through a reducer union.
In order to prevent the root system of the field crop from being anoxic caused by irrigation, the roots blower 2 can be used for ventilating and oxygenating the root system of the crop when needed. The Roots blower is an air supplementing blower, the Roots blower 2 is connected with the first water supply pipe 6, generated gas enters the field irrigation emitter 5 through the two water supply pipes, and the irrigation emitter 5 is buried in soil, so that the gas is directly introduced into the soil, the problem of oxygen deficiency of crop roots is solved, the absorption and utilization rate of the crop roots to water and fertilizer and healthy growth are promoted, and the crop yield is improved. In southern high-temperature hot areas, the aeration and oxygenation are carried out on the soil at the roots of the crops, which is beneficial to reducing the soil temperature.
In the low-temperature areas in the north, when the external environment temperature is lower than the optimal temperature for the growth of crops, and when the crops in the field are irrigated, the filtered water is heated by the heating pipe, so that the water temperature can be effectively increased, the growth of the crops is promoted, and the yield and income increase are facilitated. The heating pipe is opened when the water temperature needs to be raised, and the heating pipe is in a non-working state in other time.
The fertilization jar 3 is the differential fertilization jar 3, can get into field emitter 5 simultaneously along with irrigation water with liquid fertilizer, directly carries the crop root with moisture and nutrient, promotes the absorption of root system to the nutrient, compares in ordinary fertilization mode, can avoid chemical fertilizer at the surface soil loss, causes environmental pollution and the soil hardening problem that excessive fertilization and irrigation brought. Fertilization jar 3 adopts stainless steel material, improves corrosion resistance. And a stirring motor is arranged in the fertilizing tank 3 and is used for fully mixing the fertilizer and the irrigation water.
The number of the soil moisture sensors and the number of the oxygen concentration detection sensors are the same, and the specific number depends on the number of the rows of the crops. Generally, a soil moisture sensor and an oxygen concentration sensor are provided every 1 m.
The filter 4 of the present application is an automatic backwash lamination filter.
In the system of this application, lead to water and ventilate and use same pipeline, compare with prior art, work efficiency is high and the cost is lower, is suitable for the field crop to use. And this application carries out the heating to low temperature water through the heating pipe, and convenient and fast, it is with low costs, and dismantle easy maintenance.
The water and fertilizer efficient fertilizer supply system has the advantages that water resources are effectively saved, the water and fertilizer utilization rate is improved, the limitation of natural conditions is broken through, irrigation, fertilization, oxygenation and temperature regulation are integrated, and the water, nutrients and growth environment required by crop growth are accurately supplied by combining modern facility agriculture.
Compared with the prior art, the irrigation system is lower in equipment cost, simple to operate, convenient to maintain and higher in efficiency. When the irrigation and fertilization are carried out, external power is not needed, and the occupied area of the equipment is smaller.
Compared with the prior art of drip irrigation, the irrigation system can save water by about 20 percent, improve the utilization rate of the fertilizer by about 5 to 10 percent and increase the yield of crops by about 10 percent, and the infiltration irrigation system directly inputs water, gas and nutrients into soil at the roots of the crops to promote the absorption of the roots of the crops to the water and the nutrients and has important significance for ensuring the yield of grains.
The automatic seed degree of this application is high, can provide moisture, nutrient according to the absorption law or the actual need of crop, realizes the control to soil oxygen content through the sensor, when oxygen content is less than the settlement target value, carries out the oxygenation operation automatically. Realize automated production, effectively reduce labour's input, reduce agricultural production cost.
The control system is controlled through an automatic control system, and the automatic control system is composed of hardware and software. The automatic control system realizes the main functions of controlling the actions of irrigation, fertilization, ventilation, oxygenation and the like through the electromagnetic valve switch, and realizes the accurate control of irrigation, fertilization and ventilation and oxygenation. Since the heating pipes are controlled differently in different regions and at different times, the heating pipes are not designed to be controlled automatically. Through using PLC to program, use analog quantity module, digital quantity module, sensor, carry out the configuration through configuration king 6.55, write the script through the configuration king, simulate, then carry out the experimental debugging in field. Realize the functions of automatic irrigation, fertilization, ventilation and the like for the farmland. PLC adopts Siemens S7-1200 as the control core, and analysis sensor acquisition information further controls the action of actuating mechanism, MODSUS is the communication mode between controller and sensor, and the human-computer interaction interface of host computer adopts configuration king 6.55 software design, passes through the network cable communication between the host computer and the next computer. The program flow chart is shown in fig. 2, and the switch of the automatic system is controlled by a button, or the automatic system can be controlled manually by a touch screen. The hardware part mainly takes a Siemens PLC (S7-1200) as a control core, a sensor DHT11 as a measuring element, and the system adopts a modular design and is divided into a temperature and humidity measuring module, a control output module, a key display module and an alarm module. The whole control circuit is simple in wiring and convenient to overhaul and maintain.
1. Control core module
The SIMATIC S7-1200 system has five different modules, CPU 1211C, CPU 1212C, CPU1214C, CPU1215C and CPU 1217C. Each module can be expanded, enough interfaces need to be reserved when the type selection is carried out, Siemens PLC (CPU1215) is adopted, the Siemens PLC 1215 is provided with two Ethernet ports, the internal integration switch is related, and the storage area is larger. A signal board can be added in front of any CPU, so that digital or analog I/O can be easily expanded, and the actual size of the controller is not influenced. The signal module can be connected to the right side of the CPU, and the digital quantity or analog quantity I/O capacity is further expanded. The CPU 1212C may be connected with 2 signal modules, and the CPU1214C, CPU1215C and CPU1217C may be connected with 8 signal modules. Finally, the left sides of all SIMATICS7-1200CPU controllers can be connected with up to 3 communication modules, which is convenient for realizing end-to-end serial communication.
2. Display module
The configuration is carried out by adopting the configuration king 6.55 of the upper computer, and the method can be applied to various large automation industries. The SIMATICS7-1200 is a compact and modular PLC, can complete tasks such as simple logic control, high-level logic control, HMI and network communication, and is a perfect solution for a single-machine small-sized automation system. For an automation system requiring network communication functions and a single-screen or multi-screen HMI, the design and implementation is easy. The system has advanced application functions supporting a small-sized motion control system and a process control system. Can be directly connected with most PLC products on the market, and has powerful functions and convenient use.
3. PLC control program
In STEP-7-MICRO environment, programming is carried out on a PC machine by a ladder diagram method, and the programming is downloaded to a PLC machine after debugging and editing. The software can realize the organic combination of starting and closing the conditions generated in the corn planting process. The PLC can be connected with a touch screen during operation to realize real-time monitoring of the corn growth and survival environment.
When automatic irrigation is carried out, firstly, the irrigation amounts of different areas are set, and when the humidity of a sensor is smaller than the humidity required by the growth of the corns, the electromagnetic valves are linked to start irrigation; when the irrigation of each test area is finished, the electromagnetic valve is disconnected, and the irrigation is finished.
The procedure during humidification is the same as the heating procedure, two limit humidities and one humidity required by the test are set firstly, and when the humidity of the sensor is greater than the humidity required by the test, the electromagnetic valve is switched off and is not heated any more; when the humidity of the sensor is smaller than the humidity required by the test, the electromagnetic valve is linked, and the heating equipment starts to heat; when the device fails, it may happen that the sensor humidity is not within the limit humidity range, at which point the device stops operating.
When aeration and oxygenation are carried out, the procedure needs to set aeration time and aeration intervals for different test groups, the electromagnetic valve is switched off after the aeration time is reached, and the next round of aeration treatment is carried out after the aeration interval is reached.
And designing a PLC Sequential Function Chart (SFC) by adopting a sequential control design method, and obtaining a corresponding ladder diagram by adopting an auxiliary relay of the PLC and a programming method of a start-stop protection circuit according to the sequential function chart. Because the universal programming element is used, only simple instructions related to contacts and coils are used in a program, the universality and the applicability are relatively strong, the program is compact, the subsequent use and debugging are convenient, and the failure rate is low. The application integrates the infiltrating irrigation technology and the water-fertilizer integrated technology, and the accurate agricultural technology for adjusting the soil moisture, fertility, oxygen content and temperature of the root zone of the crops by controlling the water delivery amount, the liquid fertilizer concentration and the intelligent oxygenation.
The working principle is as follows:
the system can realize manual control and automatic control through the PLC, and when the automatic control is needed, the rotary switch is rotated to an automatic position, so that the PLC enters an automatic control program state. When the system start button is pressed, the water supply apparatus 1 starts to operate, and water flows into the filter 4 to start filtering. After filtration, water is delivered to the field through the irrigator 5 to permeate the field soil. When the irrigation soil moisture exceeds the target value set by the soil moisture sensor, the water supply device 1 stops working.
When fertilizing crops, the water supply device 1 is started, when the water injection liquid level is larger than or equal to the liquid level highest value set in the fertilization tank 3, water injection is stopped, the fertilization tank 3 performs liquid fertilizer mixing stirring, and then the fertilization tank 3 injects liquid fertilizer into the first water supply pipe 6 through pressure to enter the field.
When the oxygen concentration detection sensor detects that the oxygen content of the soil is lower than 10%, the Roots blower 2 is controlled to be started, and ventilation and oxygenation of the system are realized.
The emergency stop switch and the normally closed thermal relay contact are connected in series in the equipment circuit and used for directly disconnecting the power supply of the control circuit under emergency conditions, so that the equipment is quickly stopped to avoid abnormal work.
Roots's fan 2 and first delivery pipe 6 are through supplying tuber pipe 8 intercommunication, are provided with inlet tube 9 and supply fertile pipe 10 on the fertilization jar 3, and inlet tube 9 and supply fertile pipe 10 respectively with first delivery pipe 6 intercommunication, wherein supply on the tuber pipe 8, be provided with the valve on the first delivery pipe 6 between inlet tube 9 and the confession tuber pipe 8 and on the second delivery pipe 7 respectively. So design, the valve on the air feed pipe 8 is used for controlling the oxygenation of fan to soil, and the valve on the first delivery pipe 6 between inlet tube 9 and the air feed pipe 8 is used for controlling the water yield that gets into fertilization jar 3, and the valve on the second delivery pipe 7 is used for getting into the water, fertile, the integral control of gas of irrigator 5.
The valve arranged on the first water supply pipe 6 between the water inlet pipe 9 and the air supply pipe 8 is a stop valve 11, the second water supply pipe 7 is also provided with a check valve 12, and the check valve 12 is arranged close to the douche 5. Through setting up stop valve 11 with the water pressure that produces less pressure differential 1 ~ 2m, make partly irrigation water get into fertilization jar 3, with water-soluble fertilizer in it mix the back and enter into emitter 5 along with irrigation water, and then get into the crop root zone. The check valve 12 is arranged to prevent the medium from flowing backwards, and the normal working life of the system is ensured. The other valves are all electromagnetic valves. The "valve 1" shown in fig. 3 is a stop valve, and the "valve 2" and the "valve 3" are two valves on the second water supply pipe 7, respectively.
The water supply device 1 comprises a first constant pressure water supply pump 1-1, a second constant pressure water supply pump 1-2 and a water storage tank 1-3, wherein the water storage tank 1-3 is communicated with a water source through the first constant pressure water supply pump 1-1, and a first water supply pipe 6 is communicated with the water storage tank 1-3 through the second constant pressure water supply pump 1-2. By the design, a water source is a source of irrigation water used by the whole system, the water storage tank 1-3 is used for storing the irrigation water, the underground water source is pumped into the water storage tank 1-3 through the first constant-pressure water supply pump 1-1, the irrigation water is conveyed to the field through the second constant-pressure water supply pump 1-2, the continuous and stable work of the system is guaranteed by arranging the water storage tank 1-3, and the two constant-pressure water supply pumps are arranged, so that the power requirement on a single water supply pump is lower.
The water supply equipment further comprises a standby water pump 1-4, and the standby water pump 1-4 is communicated between the first water supply pipe 6 and a water source through a pipeline. By the design, when any water in the two constant pressure water pumps fails, the standby water pumps 1-4 are directly started to directly convey the water from the water source to the first water supply pipe 6, and normal operation of the system is guaranteed.
The air supply pipe 8 is also provided with a booster pump 14. Used for pressurizing the gas and ensuring the gas to be smoothly conveyed to the field infiltrating irrigation pipe.
A water meter 13 is arranged on the first water supply pipe 6 between the fertilizer supply pipe 10 and the filter 4.
Claims (7)
1. The utility model provides a hot intelligent irrigation system of liquid manure gas which characterized in that: the device comprises water supply equipment (1), a Roots blower (2), a fertilization tank (3), a filter (4) and an irrigation emitter (5), wherein the irrigation emitter (5) is buried in soil, the filter (4) is arranged between the water supply equipment (1) and the irrigation emitter (5), the water supply equipment (1) is communicated with a water inlet of the filter (4) through a first water supply pipe (6), a water outlet of the filter (4) is communicated with the irrigation emitter (5) through a second water supply pipe (7), the Roots blower (2) and the fertilization tank (3) are respectively communicated with the first water supply pipe (6) through pipelines, a heating pipe is arranged in the filter (4), a plurality of soil moisture sensors and a plurality of oxygen concentration detection sensors are arranged in soil below the irrigation emitter (5), wherein the plurality of soil moisture sensors are all electrically connected with the water supply equipment (1), the oxygen concentration detection sensors are electrically connected with the Roots blower (2), a liquid level sensor is arranged in the fertilizing tank (3), and the liquid level sensor is electrically connected with the water supply equipment (1).
2. The intelligent irrigation system of claim 1 with integrated functions of water, fertilizer, gas and heat, characterized in that: roots blower (2) and first delivery pipe (6) are through supplying tuber pipe (8) intercommunication, are provided with inlet tube (9) and supply fertile pipe (10) on fertilization jar (3), and inlet tube (9) and supply fertile pipe (10) respectively with first delivery pipe (6) intercommunication, wherein supply tuber pipe (8) go up, be provided with the valve on first delivery pipe (6) between inlet tube (9) and the confession tuber pipe (8) and on second delivery pipe (7) respectively.
3. The intelligent irrigation system of claim 2 with integrated functions of water, fertilizer, gas and heat, characterized in that: the valve arranged on the first water supply pipe (6) between the water inlet pipe (9) and the air supply pipe (8) is a stop valve (11), the second water supply pipe (7) is also provided with a check valve (12), and the check valve (12) is arranged close to the douche (5).
4. The intelligent irrigation system of claim 1, 2 or 3 with integrated functions of water, fertilizer, gas and heat, characterized in that: the water supply equipment (1) comprises a first constant-pressure water supply pump (1-1), a second constant-pressure water supply pump (1-2) and a water storage tank (1-3), wherein the water storage tank (1-3) is communicated with a water source through the first constant-pressure water supply pump (1-1), and a first water supply pipe (6) is communicated with the water storage tank (1-3) through the second constant-pressure water supply pump (1-2).
5. The intelligent irrigation system of claim 4 with integrated functions of water, fertilizer, gas and heat, characterized in that: the water supply equipment further comprises a standby water pump (1-4), and the standby water pump (1-4) is communicated between the first water supply pipe (6) and a water source through a pipeline.
6. The intelligent irrigation system of claim 1, 2, 3 or 5 with integrated functions of water, fertilizer, gas and heat, characterized in that: the air supply pipe (8) is also provided with a booster pump (14).
7. The intelligent irrigation system of claim 6, characterized in that: a water meter (13) is arranged on the first water supply pipe (6) between the fertilizer supply pipe (10) and the filter (4).
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| CN201920930857.1U CN210124094U (en) | 2019-06-19 | 2019-06-19 | Water, fertilizer, gas and heat integrated intelligent irrigation system |
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| CN201920930857.1U CN210124094U (en) | 2019-06-19 | 2019-06-19 | Water, fertilizer, gas and heat integrated intelligent irrigation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110192464A (en) * | 2019-06-19 | 2019-09-03 | 中国热带农业科学院南亚热带作物研究所 | A kind of heating integrated Intelligent irrigation system of liquid manure gas |
| CN113396806A (en) * | 2021-06-18 | 2021-09-17 | 宁夏通全球环保科技有限公司 | Self-flowing crop irrigation system based on crop polyculture |
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2019
- 2019-06-19 CN CN201920930857.1U patent/CN210124094U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110192464A (en) * | 2019-06-19 | 2019-09-03 | 中国热带农业科学院南亚热带作物研究所 | A kind of heating integrated Intelligent irrigation system of liquid manure gas |
| CN113396806A (en) * | 2021-06-18 | 2021-09-17 | 宁夏通全球环保科技有限公司 | Self-flowing crop irrigation system based on crop polyculture |
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