37 results about "Continuous irrigation" patented technology

The invention relates to the technical field of intelligent agriculture, in particular to an intelligent agricultural water-saving irrigation control system based on a wireless sensor network, which comprises the steps of acquiring crop information, judging an irrigation regulation and control stage, marking land parcels, reading marks, extracting serial numbers of associated acquisition points to divide data transmission priorities, humidity measurement values of different depths are extracted based on the priority list and compared with a crop root layer demand threshold value to identify a water layer needing to be supplemented, root layer types are distinguished according to the soil layer depth, intervals or continuous irrigation periods are set, and the water supply rhythm is arranged; water supply arrangement is read, and instruction contents such as plot numbers, starting and ending time and water supply depth are generated and combined into tasks capable of being continuously called. By monitoring the crop growth and the soil humidity in real time, the irrigation strategy can be accurately judged and dynamically adjusted to meet the water requirement of each stage, the crop root depth and the soil humidity are accurately matched, the irrigation periods of deep and shallow soil layers are optimized, and a flexible scheme is provided to improve the water resource utilization efficiency.

The utility model discloses a double-sleeve continuous flushing negative pressure aspiration liquid culture medium set, which comprises an aerobic culture bottle, an anaerobic culture bottle and a culture bottle placing box, the aerobic culture bottle and the anaerobic culture bottle are arranged in the culture bottle placing box, an air cleaning component and an injection component are arranged in the anaerobic culture bottle, drainage liquid is stored in the injection component, and the drainage liquid is filled in the culture bottle placing box. And the air removal assembly exhausts air in the drainage liquid in the injection assembly. The device has the advantages that culture flasks containing aerobic and anaerobic culture solutions are stored in the culture flask placement boxes, the culture flasks can be opened for use during sampling, the negative pressure connector and the liquid inlet connector are directly connected with the negative pressure tube and the double sleeves, negative pressure sampling of drainage liquid is achieved, operation can be achieved by a single person, medical staff are prevented from making contact with the drainage liquid, and the air removal assembly is used for removing air from the drainage liquid. The air in the drainage liquid in the injection tube is discharged, and then the drainage liquid with the air removed is injected into the anaerobic culture bottle through the injection assembly, so that the air is prevented from entering the anaerobic culture liquid, and the accuracy of a culture result is ensured.

The utility model relates to the technical field of medical supplies, and particularly discloses a wound irrigator which comprises an injection container, a piston, an infusion tube and a driving mechanism. The injection container is provided with a flushing pipe; the piston is arranged in the injection container, and a liquid cavity is formed between the piston and the injection container; one end of the infusion tube is connected with a normal saline bottle; the driving mechanism is used for driving the piston to axially move so as to compress or enlarge the volume of the liquid cavity; a first one-way valve is arranged on the flushing pipe, and a second one-way valve is arranged on the infusion pipe; the first one-way valve and the second one-way valve are matched with each other, so that when the driving mechanism drives the piston to enlarge the volume of the liquid cavity, the liquid cavity can only suck a medium from the liquid conveying pipe; the first one-way valve and the second one-way valve are matched with each other, so that when the driving mechanism drives the piston to compress the volume of the liquid cavity, a medium in the liquid cavity can only be discharged from the flushing pipe; the wound flusher is good in convenience, high in safety and capable of achieving continuous flushing.

The invention relates to a medical continuous irrigation system (10) with an inner shaft (20) having a wall (21), a distal end (20a), a proximal end (20b), an inner shaft outer diameter (ISA) and an inner shaft length (ISL), and an outer shaft (40) having a wall (41), a distal end (40a), a proximal end (40b), an outer shaft inner diameter (ASI) and an outer shaft length (ASL), wherein a first connecting piece (30) is arranged at the proximal end (20b) of the inner shaft (20), which has a first axial through-opening (31) and on which a first connection (32) for an irrigation hose is arranged, wherein a second connecting piece (50) is arranged at the proximal end (40b) of the outer shaft (40), which has a second axial through-opening (51) for the inner shaft (20) and on which a second Connection (52) for a suction hose is arranged,and wherein at least one suction opening (46) is arranged in a section (45) of the wall (41) of the outer shaft (40) adjacent to the distal end (40a), wherein the distal end (20a) of the inner shaft (20) comprises an end face (23) on which a microchip (60) with at least one image-capturing area (61) and at least one light-emitting area (62) is arranged.

This application relates to the field of agricultural irrigation and soil water and salt management technology, and discloses a method for coordinated regulation of water and salt in the root zone of jujube trees based on continuous vertical pipe irrigation. The method includes: deploying vertical pipes around the main root zone of the jujube tree to continuously supply slightly saline water; obtaining meteorological theoretical water consumption demand and headstock observation flow rate, identifying effective infiltration flow rate and calculating the total external salt mass; constructing surface state quantities, transient transitional inventory in the main root protection zone, and deep state quantities, disassembling the total external salt mass and updating the above state quantities; calculating the freshwater maintenance capacity factor and isolation integrity index, obtaining surface overload contribution items and deep overload contribution items; when the isolation state of the main root zone is determined to be ineffective, comparing the surface overload contribution item with the deep overload contribution item, and outputting a matching hydraulic regulation command. This invention overcomes the defect of soil sensors being prone to corrosion and failure, improves the accuracy of salt distribution measurement, achieves targeted hydraulic remediation, and avoids secondary hydrological hazards caused by flood irrigation.

The utility model discloses an intelligent water and fertilizer integrated irrigation and fertilization machine, and belongs to the technical field of irrigation and fertilization equipment. The device comprises a cart and a storage mechanism, the storage mechanism is arranged in the cart and comprises a connecting plate, the bottom of the connecting plate is connected with a sealing sleeve, water tanks are arranged at the front and rear ends of the left side of the bottom of the sealing sleeve, water-fertilizer boxes are arranged at the front and rear ends of the right side of the bottom of the sealing sleeve, and the tops of the water tanks and the tops of the water-fertilizer boxes extend into the sealing sleeve. By arranging the storage mechanism, water and water fertilizer can be stored, the irrigation time of the irrigation tank is prolonged, then the water and the water fertilizer are conveyed into the irrigation and fertilization mechanism through the conveying mechanism, the feeding effect is achieved, the irrigation and fertilization mechanism can conduct continuous irrigation, and the irrigation and fertilization machine can independently store the water, the water and the water when an operator uses the irrigation and fertilization machine.

Provided is a method for using a double-cannula continuous irrigation and negative-pressure suction liquid culture medium kit, which comprises preparation work, collection of a drainage solution of an aerobic culture flask, and collection of a drainage solution of an anaerobic culture flask. The preparation work is as follows: checking patient information and preparing negative pressure tools. The collection of a drainage solution of an aerobic culture flask is as follows: directly collecting the drainage solution using a negative pressure. The collection of a drainage solution of an anaerobic culture flask is as follows: first, collecting the drainage solution using a negative pressure, and then removing air in the drainage solution using an air removal assembly. A culture flask placement box is used for storing a culture flask containing an aerobic culture solution and a culture flask containing an anaerobic culture solution. The two culture flasks are combined and placed in one box, and the two culture flasks can be separately opened for direct use during sample collection, such that the operation is simple and convenient; a negative pressure connector and a liquid inlet connector are used for being directly connected to a negative pressure pipe and double cannulas, achieving negative-pressure collection of the drainage solution; extraction can be completed in one go, and operation can be completed by a single person, thereby preventing medical personnel from contacting the drainage solution while preventing the drainage solution from contacting the outside. Therefore, occupational exposure is avoided, and secondary pollution is also avoided.

According to the continuous irrigation ditch construction formwork device and the construction method, an inner formwork and two outer formworks are arranged between the two outer formworks, the inner formwork is in a U shape and comprises two inner vertical plates and a bottom plate connected with the two inner vertical plates, the tops of the two inner vertical plates are connected with the outer formworks on the corresponding sides through connecting structures respectively, and the bottom plate is connected with the two inner vertical plates through connecting structures. The two outer mold plates and the inner mold plate are used for forming a mold cavity with the bottom of the groove. According to the method, the channel is directly poured, and compared with the mode that the channel bottom is poured firstly and then the channel slope is poured in the prior art, construction is easier and more convenient, and the construction period is shorter; and moreover, a mold cavity is formed at the bottom of the groove, so that a bottom mold is omitted, the disassembly and assembly of the template are simplified, and the construction efficiency is favorably improved.

The invention relates to the technical field of agricultural irrigation equipment, in particular to an adjustable drip irrigation device for agricultural planting, one side of the middle of a storage box is fixedly connected with a driving motor through a support, the output end of the driving motor is fixedly connected with a driving rod, and the driving rod is rotatably connected into the storage box through a bearing; the device has the beneficial effects that the spiral fan blades, the multiple layers of mixing plates and the mixing rods are linked through the driving motor, a three-dimensional stirring structure is formed, sediments at the bottom of the box are cleaned in cooperation with a scraping plate, the problem of fertilizer caking is thoroughly solved, the water and fertilizer mixing uniformity is improved, and the fertilizer utilization rate is increased; crop root systems are prevented from being burnt by over-high local concentration; the double-layer grading sieve plate design is adopted to adapt to impurities and fertilizer particles with different particle sizes, and the structure that the sieve plates can be adjusted in a sliding mode is combined, so that the filtering adaptability and efficiency are improved, impurity penetration is effectively blocked, the dripper blocking probability is reduced, the equipment maintenance cost is reduced, and continuous irrigation is guaranteed.

The invention belongs to the technical field of plant cultivation, and particularly relates to a fertilizing method for improving the yield and quality of alfalfa in sandy soil. The fertilizing method comprises the following steps: applying a base fertilizer in soil before planting, and applying a seed fertilizer when alfalfa is sown, and further comprises the following steps: irrigating for 4-5 times during the growth period of each crop of alfalfa, two times of irrigation being water and fertilizer integrated irrigation; when water and fertilizer integrated irrigation is carried out, water is firstly irrigated, and then a fertilizer is added into the water for continuous irrigation; the fertilizer is prepared from urea, monoammonium phosphate, potassium chloride and zinc sulfate, and the mass ratio of the urea to the monoammonium phosphate to the potassium chloride to the zinc sulfate is (1.875 to 4) to (2.875 to 5.6) to (0.875 to 2.4) to (0.2 to 0.36). The method not only solves the problems of low yield and poor quality of alfalfa caused by poor water and fertilizer retention capability and serious water and fertilizer leakage of sandy soil in pasture fields for planting alfalfa in northwest sandy soil areas, but also remarkably reduces the planting cost.

The utility model relates to the technical field of garden irrigation devices, and discloses an efficient and energy-saving garden irrigation device which comprises a water storage tank, land and a first straight pipe, a plurality of through holes are formed in the upper end of the water storage tank, and a filter plate is fixedly arranged at the upper end of the water storage tank through bolts; a water level sensor is fixedly arranged at the position, close to one side, of the inner bottom face of the water storage tank, a device box is fixedly arranged in the middle of the upper end of the water storage tank, a fixing cylinder is fixedly arranged in the middle of the inner bottom face of the device box, and a second straight pipe is rotationally arranged in the middle of the upper end of the device box. According to the utility model, rainwater is collected through the water storage tank, the built-in water level sensor controls the first water inlet pipe electric control valve and the water pump to pump out the rainwater for irrigation, and after the water level of the water storage tank drops, the second water inlet pipe is connected with an urban water supply system to ensure continuous irrigation so as to save water resources; water is uniformly sprayed, so that local drought or excessive moisture is avoided.

The invention relates to a saline-alkali soil rice water-saving cultivation method, and belongs to the technical field of rice cultivation. Through soil improvement on the saline-alkali soil, effective planting of rice in the light and moderate saline-alkali soil, an underground irrigation mode and an overground irrigation mode, installation is easy and convenient, field operation is easy, irrigation can be conducted according to the root growth depth of the rice, and through accurate irrigation, the rice root zone is always kept in a light salt or salt-free environment. According to the natural rainfall condition, the rice is irrigated 8-10 times in the growth period, the irrigation amount is about 280-320 m < 3 > / 667 m < 2 >, water is saved by 50% or above compared with common flood irrigation, water and fertilizer integration can be achieved during topdressing, water and fertilizer are saved, the water and fertilizer efficiency is improved, and the utilization efficiency of water resources is improved and the rice yield is increased by controlling the irrigation time and depth. The device can be flexibly adjusted according to the water demand characteristics of rice in each growth period, and compared with traditional continuous irrigation, the rainfall utilization rate can be remarkably increased, the leakage amount can be reduced, and therefore waste of water resources is reduced.

The application is based on a complex supply-demand relationship canal system optimal water distribution method, the canal system includes a primary channel and multiple secondary channels, and is specifically implemented according to the following steps: collecting canal system water distribution data; establishing a canal system optimal water distribution model according to the canal system water distribution data; using a geatpy toolbox to realize a genetic algorithm to solve the canal system optimal water distribution model to obtain optimal water distribution time; and summarizing the data in the above steps to obtain a water distribution scheme. An irrigation mode of 'group rotation irrigation and group continuous irrigation' is adopted, a complex supply-demand relationship canal system optimal water distribution model is established, the travel time of water in the canal is added to the model, and finally the model is solved by using a genetic algorithm, so that the water distribution time meeting the complex supply-demand relationship is obtained.

The utility model relates to a water-saving irrigation device for garden engineering, which belongs to the field of garden engineering and comprises an adjusting cylinder, an irrigation adjusting mechanism mounted in the adjusting cylinder and a mounting mechanism mounted at the bottom of the adjusting cylinder. The irrigation adjusting mechanism comprises an irrigation pipe fixedly connected to the right side of the adjusting cylinder, a rotating container movably connected to the interior of the adjusting cylinder, and a plurality of water permeable holes formed in the rotating container. According to the water-saving irrigation device for garden engineering, the area of the overlapped part of the water permeable hole and the irrigation pipe can be adjusted by rotating the rotating container, so that the effect of adjusting the irrigation water flow is achieved, the irrigation water flow can be adjusted according to requirements, and water resources are saved; the arranged limiting assembly can limit rotation of the rotating container in the irrigation process, the irrigation water flow can be prevented from being affected by other factors, and the stable and continuous irrigation effect can be conveniently kept; and the practical effect of the device is effectively improved.

The invention relates to a continuous irrigation system (10) for medical use, comprising: an inner shaft (20), which has a wall (21), a distal end (20a), a proximal end (20b), an inner shaft external diameter (ISA) and an inner shaft length (ISL); and an outer shaft (40), which has a wall (41), a distal end (40a), a proximal end (40b), an outer shaft internal diameter (ASI) and an outer shaft length (ASL), wherein at the proximal end (20b) of the inner shaft (20) there is a first connecting piece (30), which has a first axial through-opening (31) into which there opens a first connector (32) for an irrigation hose, wherein at the proximal end (40b) of the outer shaft (40) there is a second connecting piece (50), which has a second axial through-opening (51) for the inner shaft (20) and on which a second connector (52) for a suction hose is arranged, wherein at least one suction opening (46) is arranged in a portion (45) of the wall (41) of the outer shaft (40) adjoining the distal end (40a), and wherein, when the inner shaft (20) has been inserted into the outer shaft (40), an annular space (70) is formed between the inner shaft (20) and the outer shaft (40) and a portion (25) of the distal end (20a) of the inner shaft protrudes beyond the distal end (40a) of the outer shaft (40), wherein the distal end (20a) of the inner shaft (20) has a circumferential thickening (24) with an external diameter (VA) that corresponds to the outer shaft internal diameter (ASI), wherein at least one channel (60) with a first end (61) and a second end (62) is arranged in the thickening (24), and wherein the first end (61) of the channel (60) is arranged in the portion (25) and the second end (62) opens into the annular space (70).

Medical continuous irrigation system (10) with an inner shaft (20) having a wall (21), a distal end (20a), a proximal end (20b), an inner shaft outer diameter (ISA) and an inner shaft length (ISL), and an outer shaft (40) having a wall (41), a distal end (40a), a proximal end (40b), an outer shaft inner diameter (ASI) and an outer shaft length (ASL), wherein a first connection piece (30) is arranged at the proximal end (20b) of the inner shaft (20) having a first axial through-opening (31) into which a first connection (32) for an irrigation hose opens, wherein a second connection piece (50) is arranged at the proximal end (40b) of the outer shaft (40) having a second axial through-opening (51) for the inner shaft (20) and on which a second connection (52) is arranged for a suction hose,wherein at least one suction opening (46) is arranged in a section (45) of the wall (41) of the outer shaft (40) adjacent to the distal end (40a), and wherein, when the inner shaft (20) is inserted into the outer shaft (40), an annular space (70) is formed between the inner shaft (20) and the outer shaft (40), and the distal end (20a) of the inner shaft projects beyond the distal end (40a) of the outer shaft (40) with a section (25), wherein the inner shaft (20) has a circumferential thickening (24) at the distal end (20a) with an outer diameter (VA) corresponding to the inner diameter (ASI) of the outer shaft, wherein at least one channel (60) with a first end (61) and a second end (62) is arranged in the thickening (24), wherein the first end (61) of the channel (60) is arranged in the section (25), and the second end (62) opens into the ring space (70).

The invention relates to the technical field of water conservancy projects, and particularly discloses a trapezoidal open channel continuous flow dilatation structure and a construction method, the trapezoidal open channel continuous flow dilatation structure comprises a main frame, an inclined frame and a water baffle; the main frames are arranged at intervals along the trend of the trapezoidal open channel, each main frame comprises two stand columns and a connecting beam, the two stand columns are respectively fixed at the intersection of a bottom plate of the trapezoidal open channel and a slope toe of a side wall of the trapezoidal open channel, and the connecting beam is fixedly connected with the top ends of the two stand columns; the inclined frames are correspondingly arranged on the widened side of the trapezoidal open channel according to the positions of the main frames, each inclined frame comprises an inclined column and a pull rod, the inclined columns are fixed to the bottom ends of the stand columns, the inclination angles of the inclined columns are consistent with the gradient of the side walls of the trapezoidal open channel, and the pull rods are fixedly connected with the top ends of the inclined columns and the top ends of the stand columns; the water baffle is installed between the adjacent stand columns or the adjacent inclined columns on the widened side of the trapezoid open channel in a sealed mode to form a water retaining structure. According to the invention, the capacity expansion reconstruction construction of the trapezoidal open channel can be realized under the condition that the irrigation water supply is not interrupted.

The utility model discloses a small-sized negative pressure infiltrating irrigation device, which belongs to the technical field of infiltrating irrigation devices and comprises a water storage tank, the water storage tank is of an uncovered hollow cuboid structure, a water inlet pipe is fixed on the side wall of the water storage tank, and a float switch for controlling the water inlet pipe is mounted in the water storage tank; the small negative pressure infiltrating irrigation device comprises a water storage tank, a ceramic upper cover and a ceramic connecting part, the ceramic upper cover is fixedly embedded in the bottom end of the water storage tank, the bottom end of the ceramic upper cover is fixedly provided with the ceramic connecting part embedded in the water storage tank, and the ceramic upper cover and the ceramic connecting part are made of water absorption ceramics. Soil absorbs water from the ceramic upper cover, the ceramic upper cover absorbs water from the water storage tank, the water level of the water storage tank descends, the float switch is turned on, and the water inlet pipe starts to supply water, so that continuous irrigation can be realized, and when the soil is lack of water, automatic irrigation is realized underground, and the plant root system soil is always kept wet.

The utility model discloses a green roof vegetation planting structure which comprises a vegetation groove, partition plates are arranged at the corners of the vegetation groove, water diversion mechanisms are arranged in the partition plates, and water storage tanks are arranged on the inner sides of the corners of the vegetation groove. As long as water exists in the water storage tank, water can be continuously permeated and supplemented into the vegetation groove, the process of manual irrigation or irrigation pipeline laying for irrigation is omitted, manpower cost and money cost needed by green roof irrigation are saved, the water seepage speed of the water storage tank into the vegetation groove is controlled through the density material of the separation sponge and the like, and the water seepage efficiency is improved. Therefore, the water storage tanks can continuously supplement water to the soil layer of the planting mechanism, automatic continuous irrigation is achieved, the separation sponges can prevent soil in the vegetation grooves from entering the water storage tanks, the water storage tanks are kept in a clear state, the water storage tanks are communicated together through the communicating pipes, and the same water level can be kept in the water storage tanks.

The invention discloses an agricultural irrigation water-saving device, and relates to the technical field of water-saving irrigation. The device comprises a supporting assembly, an adjusting assembly arranged on the supporting assembly, an irrigation assembly arranged on the supporting assembly and the adjusting assembly, and a water storage assembly arranged on one side of the irrigation assembly. The supporting assembly fixes a cross rod through a liftable adjusting supporting leg. The adjusting assembly is linked with an electric telescopic rod through a telescopic fork structure, so that the irrigation width is flexibly adjusted; the irrigation assembly comprises a sliding irrigation frame and an alternate irrigation box, the alternate irrigation box alternately conveys water to an irrigation water pipe in a partitioned mode through a rotary partition plate driven by gravity, and intermittent irrigation is achieved; the water storage assembly supports alternate / continuous irrigation mode switching through a double-waterway design (a main water pipe and a continuous water pipe). Through mechanical partitioned irrigation, stepless adjustment of the height of the spray head and electric expansion of the coverage range, the water resource utilization rate is remarkably increased, and the irrigation requirements of different crop growth stages are met.

The invention discloses an endoscopic surgery auxiliary platform, and relates to the technical field of medical instruments, the endoscopic surgery auxiliary platform specifically comprises a frame, a telescopic rod and a hanging frame, the telescopic rod is fixedly arranged on the frame, and the hanging frame is arranged at the end of the telescopic rod; a frame used for containing flushing fluid is arranged on the frame, and a controller used for controlling the telescopic rod to ascend and descend is arranged in a bottom plate of the frame. A heating device for heating the washing liquid is arranged on the telescopic rod; by arranging the multiple electric telescopic frames, multiple bags of flushing fluid can be hung at the same time, automatic adjustment of the height of the infusion support can be achieved, multiple rods can be used alternately, the flushing fluid can be easily hung to the hooks on the electric telescopic frames, time and labor are saved, and efficiency is high. Meanwhile, efficient and continuous irrigation of the flushing fluid is guaranteed, the operation requirement is met, the operation process is accelerated, meanwhile, the work intensity of nurses is relieved, more time is saved for nursing operation patients, the operation cooperation quality is improved, and the operation turnover rate is increased.

The utility model belongs to the technical field of agricultural irrigation equipment, and particularly relates to a folding irrigation spray gun truss which comprises a movable frame body, cantilevers are arranged on the two sides of the frame body, a plurality of cantilever spray heads are arranged on the lower sides of the cantilevers, and irrigation spray guns are arranged at the outer ends of the cantilevers. The water inlet pipe is connected with a frame body main pipe arranged on the frame body, two ends of the frame body main pipe are connected with cantilever water pipes, and the cantilever water pipes are used for supplying water to the cantilever nozzles and the irrigation spray guns. The cantilever is composed of a plurality of sections and can be folded. According to the foldable irrigation spray gun truss, the irrigation spray gun is introduced, so that the irrigation range can be obviously enlarged, and the irrigation efficiency is improved. The cantilever adopts a multi-section foldable design, so that the irrigation truss can be folded for avoiding when encountering an obstacle (such as a telegraph pole), then the irrigation truss is unfolded for continuous irrigation, and the operation convenience and the equipment adaptability are greatly improved.

The utility model discloses a continuous poplar irrigation device in the technical field of poplar irrigation, which comprises a water tank used for storing poplar irrigation water, one side of the water tank is connected with a delivery pipe, the other end of the delivery pipe is connected with two shunt pipes, the shunt pipes are connected with a plurality of micro-irrigation pipes, and the micro-irrigation pipes are connected with the water tank. A plurality of sets of irrigation holes are formed in the side wall of the micro-irrigation pipe, a humidity sensor used for detecting the water content of the roots of the poplars is arranged on the outer side of the flow dividing pipe, and a valve connected with the humidity sensor through wireless signals is installed on the conveying pipe. The problems that an existing poplar irrigation device usually adopts a ground irrigation mode, so that water evaporates quickly, water waste is large, mud formed by mixing soil and rainwater is likely to enter a water pipe when tree roots are irrigated from the bottom, follow-up irrigation is affected, and the poplar irrigation device is not suitable for continuous irrigation of poplar are solved.

Disclosed herein is a dental device for delivering fluid continuously while activated in an endodontic application. The dental device includes a hollow needle having a tip end and a connector portion; and a handle. One end of the handle is configured to be affixed to the connector portion of the hollow needle. The opposite end of the handle is capable of being attached to an endodontic handpiece or a sonic agitator for the activation. The connector portion includes at least one tube connector that is an integral part of the connector portion of the hollow needle or a plurality of openings on the connector portion to accommodate the hollow needle to a connector. The connector is a modular fluid delivery connector which is removable from the needle such that it can be reused.

This invention discloses a rotary multi-liquid automatic proportioning intelligent irrigation robot. The robot includes: a mobile trolley body; an electric telescopic rod with an irrigation nozzle mounted on top on the left side; a rotary liquid storage layer, a control layer, and a mixing layer arranged from top to bottom in the middle section; and a detachable waste liquid storage tank on the right side. A vision camera is installed above the tank. The rotary liquid storage layer is divided into six independent storage tanks, driven by a stepper motor to rotate and switch liquids. The control layer is equipped with a main microcontroller that communicates with a controller built into the electric telescopic rod via Bluetooth. The mixing layer contains a liquid level sensor and a stirring component for liquid proportioning and mixing. The device identifies plant species and growth status using the vision camera, transmits the data to the main microcontroller to obtain the required nutrient solution ratio, and performs precise quantitative mixing before irrigation. After irrigation, the device automatically cleans the mixing layer and discharges the waste liquid into the storage tank, repeating the process to achieve continuous irrigation for different plants. This invention has a compact structure, high flexibility, and is suitable for irrigation scenarios in small areas with multiple plant types.

The utility model provides a laminated backwashing automatic filter which comprises a support, and a centrifugal filter unit, a laminated filter unit and an electric control cabinet are mounted on the support. The centrifugal filtering unit comprises a centrifugal filtering body and a desilting tank; the laminated filter unit comprises a water inlet pipe, a water outlet pipe, a blow-off pipe, a laminated filter body, a first electric butterfly valve, a second electric butterfly valve, a first pressure gauge and a second pressure gauge, and the electric control cabinet is electrically connected with the first electric butterfly valve, the second electric butterfly valve, the first pressure gauge and the second pressure gauge respectively. According to the utility model, the centrifugal filter unit is arranged in front of the laminated filter unit, so that the laminated backwashing automatic filter is particularly suitable for a flat sand or multi-sand environment, a net core does not need to be manually and frequently disassembled and manually cleaned and then assembled, the labor intensity of an operator is greatly reduced, and meanwhile, the continuous irrigation is ensured without shutdown during irrigation; the service life of the laminated filter unit is prolonged, and the backwashing frequency of the laminated filter unit is reduced.

The utility model discloses a water supply and drainage device which comprises an ecological wall body, a spraying pipe is fixedly connected to the outer surface of the ecological wall body, a spraying head is arranged at the bottom of the spraying pipe, a liquid storage box is fixedly installed on one side of the outer surface of the ecological wall body in an attached mode, a liquid storage cavity is formed in the liquid storage box, and a collecting groove is formed in the top of the liquid storage box. A fixing notch is formed in the bottom of the inner wall of the collecting tank, a filter screen frame is embedded in the fixing notch, a fixing table is fixedly connected to the outer surface of the liquid storage tank, and a water pump is arranged at the top of the fixing table. According to the device, through the arrangement of the liquid storage tank, the water pump, the water pumping pipe, the water conveying pipe, the fixing pipe and other structures, water can be conveniently conveyed into the spraying pipe and finally sprayed to the surface of the ecological wall from the position of the spraying head, spraying irrigation and moisturizing work is conducted on the ecological wall, and the structure can effectively guarantee irrigation uniformity; meanwhile, the ecological wall can be moisturized through continuous irrigation.

The application relates to a method for water-saving cultivation of paddy rice in saline-alkali soil, and belongs to the technical field of paddy rice cultivation. The method can effectively plant paddy rice in light and moderate saline-alkali soil through soil improvement of the saline-alkali soil, and can realize underground irrigation mode and ground irrigation mode, is simple to install, is easy to operate in the field, can irrigate according to the root growth depth of the paddy rice, can keep the root area of the paddy rice in a light salt or salt-free environment through precise irrigation, and can irrigate 8-10 times during the growth period of the paddy rice according to the natural rainfall, with an irrigation amount of about 280-320 m 3 / 667m 2 , more than 50% of water can be saved compared with common flooding irrigation, water and fertilizer integration can be realized during fertilizer application, water and fertilizer can be saved, and water and fertilizer efficiency can be improved, water resource utilization efficiency can be improved and the rice yield can be increased through control of irrigation time and depth. The water requirement characteristics of the paddy rice during each growth period can be flexibly adjusted, the rainfall utilization rate can be significantly improved compared with traditional continuous irrigation, the leakage amount can be reduced, and the waste of water resources can be reduced.