94 results about "External drainage" patented technology

The invention discloses a coal mine gas extraction device, which relates to the technical field of gas extraction safety, and comprises an extraction pipe arranged in an extraction channel and connected with external extraction equipment; the sleeve is arranged on the outer side of the extraction pipe, the outer wall of the sleeve is attached to the extraction channel, an upper fixing ring is arranged on the top, and a lower moving ring and a sliding shaft sleeve are arranged on the lower portion; the pumping and drainage plugging device is fixed on the extraction pipe, and the outer side of the top is fixedly connected with the upper fixing ring; the bottoms of the limiting control devices are fixedly connected with the lower moving ring, the outer sides of the limiting control devices are fixedly connected with the inner wall of the sleeve, and the inner sides of the limiting control devices are fixedly connected with the pumping and drainage plugging device; the bottom of the plugging control device is fixedly connected with the lower moving ring, the outer side of the plugging control device is fixedly connected with the inner wall of the sleeve, and the inner side of the plugging control device corresponds to the side part of the pumping and draining plugging device. The gas drainage device has the gas drainage efficiency and the outburst early warning protection capacity, and integration of the pressure dynamic monitoring function, the quick response plugging function and the automatic reset function is achieved.

The utility model discloses an installation support and an air conditioner, and relates to the technical field of air conditioners, the installation support is used for installing an air conditioner outdoor unit of the air conditioner, the air conditioner outdoor unit comprises an outdoor unit main body and an outdoor drain pipe communicated with the outdoor unit main body, and the installation support comprises a bearing support and a supporting support. One side of the bearing support is installed on a window, the other side of the bearing support extends to the outdoor space in the first direction, and the bearing support is used for installation of the outdoor unit body. The upper end of the supporting support is installed on the bearing support, the lower end of the supporting support abuts against an external wall, at least the supporting support is provided with a first limiting structure, and the outdoor drainage pipe is fixed through the first limiting structure. According to the technical scheme, the outdoor drainage pipe can be fixed conveniently, and drainage of the air conditioner outdoor unit is facilitated.

The utility model discloses a double-guide drainage structure for roof external drainage, and relates to the technical field of house building construction. According to the technical key points, the device comprises a first double-water-guide assembly arranged at the junction of a roof structure and a parapet wall, the first double-water-guide assembly comprises a horizontal main water drainage pipe, the horizontal main water drainage pipe is installed on the parapet wall in a penetrating mode, and the inner wall of the lower side of the horizontal main water drainage pipe is flush with a protective surface layer in the roof structure; a horizontal drainage branch pipe is arranged under the horizontal main drainage pipe, and the lower side inner wall, located at one end of the inner side of the parapet wall, of the horizontal drainage branch pipe is aligned with the lower bottom of a heat preservation layer in the roof structure. The ends, located on the outer side of the parapet wall, of the horizontal drainage branch pipe and the horizontal main drainage pipe are fixedly connected with a vertical outer drainage pipe. By means of the horizontal main water drainage pipe and the horizontal water drainage branch pipe in the first double-water-guide assembly, accumulated water above a protective layer in the roof structure can be effectively drained, and when accumulated water exists in the roof structure, the accumulated water in the roof structure can be effectively drained.

A structure for preventing water from entering a vacuum dust collection fan on a floor cleaning appliance comprises the vacuum dust collection fan and a sewage tank combination. The sewage tank combination comprises a sewage tank sewage garbage inlet through which sewage garbage enters the sewage tank; the sewage tank combination comprises an air outlet communicated with an air inlet of the vacuum dust collection fan; an air inlet of the vacuum dust collection fan is provided with a heat dissipation channel; a one-way outward drainage device is arranged between a sewage and garbage inlet of the sewage tank of the sewage tank combination and an air inlet of the vacuum dust collection fan; and the one-way outward drainage device is arranged on a channel through which liquid enters the air inlet of the vacuum dust collection fan from the sewage tank. Water possibly flowing into the heat dissipation channel of the vacuum dust collection fan is timely discharged to the outside through the one-way outward drainage device when passing through the one-way outward drainage device, so that the vacuum dust collection fan is prevented from being damaged due to the fact that water enters the heat dissipation channel to the maximum extent.

The invention provides an efficient drainage anti-blocking dewatering bin which comprises a dewatering bin body, a slag discharging door connected to the bottom side of the dewatering bin body and a water inlet formed in the top side of the dewatering bin body, a filtering assembly is arranged at the joint of the dewatering bin body and an upper external drainage box, and a backwashing assembly is installed on the surface of the filtering assembly. And a backwash header pipe and a drainage header pipe are sequentially arranged on the surface of the bottom side of the dewatering bin from top to bottom. An upper external drainage tank and a lower external drainage tank are mounted on the outer side of the dewatering bin, and meanwhile, a V-shaped filter screen, a placement bottom plate and an upper placement plate are mounted in the upper external drainage tank and the lower external drainage tank, so that replacement is facilitated when the dewatering bin is damaged and needs to be replaced; meanwhile, the upper external drainage tank and the lower external drainage tank which are arranged on the vertical section and the cone section of the dewatering bin can respectively conduct drainage, the external design shortens the water filtering path, and the water filtering net is detachable, so that when the water filtering net is blocked or abraded, the water filtering net can be rapidly replaced without entering the bin body, and the maintenance efficiency is greatly improved.

The utility model relates to the technical field of water pipes, and discloses a tap water pipe pressure detection external drainage device which comprises a main body assembly and a water pipe, a faucet is fixed to one end of the water pipe, a valve is fixed to the top of the water pipe, a deflation valve is fixed to the top of the valve, and a pressure gauge and a switching assembly are arranged on one side of the deflation valve. The switching device is arranged on the deflation valve and comprises a switching piece, the switching piece comprises a base, the base is fixed to the top of the valve, and an extrusion ring is arranged in the base. The utility model has the beneficial effects that the deflation valve and the pressure gauge are directly switched and can be quickly replaced without being randomly placed aside, so that the loss of parts can be avoided, the parts can be used in time when needed, the normal monitoring and maintenance process of a water pipe system cannot be delayed, the cost and the time cost for re-purchasing are saved, and the working efficiency is improved. And the water pipe operation and maintenance work can be efficiently and smoothly carried out.

The embodiment of the utility model provides a hidden drainage stand column and a viewing shed, and relates to the technical field of viewing sheds. The hidden drainage stand column comprises a stand column body, a drainage channel is formed in the stand column body in the length direction of the stand column body, and a drainage opening is formed in the side face of the bottom of the stand column body and communicates with the drainage channel; a water baffle is hinged to the position of the water outlet, the water baffle can rotate around the hinged position to be switched between a natural state and a stress state, the water baffle is flatly laid on the water outlet in the natural state so as to block the water outlet, and the water baffle deviates from the water outlet in the stress state so as to open the water outlet. According to the hidden drainage stand column and the viewing shed, water can be drained out of the shed, and the influence of drainage on the interior of the shed is reduced; and the water outlet is hidden, so that rats and insects are prevented from entering the greenhouse.

The utility model relates to the technical field of appliance cleaning, in particular to a material barrel cleaning device which comprises an outer frame body, a cleaning table plate, a supporting column used for supporting the cleaning table plate and a flow guide supporting column used for being communicated with an external drainage system, a plurality of spraying heads used for spraying cleaning water are arranged on the outer frame body in a sliding mode, and the spraying heads are arranged on the outer frame body in a sliding mode. Any spraying head is arranged above the cleaning table plate, the cleaning table plate inclines towards the upper right relative to the horizontal plane, a drainage hole is formed in the lower end of the left side of the cleaning table plate, the interior of the flow guide supporting column is communicated with the drainage hole to form a drainage channel, and the positions of the spraying heads can be adjusted according to needs in the using process; therefore, the material barrel is subjected to water spraying cleaning operation; sewage on the cleaning platform plate can quickly flow to the drainage holes under the action of gravity and then is discharged through the flow guide supporting columns, and compared with a traditional cleaning mode, the drainage efficiency is effectively improved, the situation that water is accumulated on the cleaning platform is reduced, and the possibility of secondary pollution of the material barrel is reduced.

The invention relates to the technical field of underground coal mine heat dissipation, in particular to an underground coal mining conveying device heat dissipation system and a control method.The underground coal mining conveying device heat dissipation system comprises a circulating pump, a heat dissipation device, an external water source, a liquid storage water tank, a liquid supplementing water tank, a recycling pump and a plurality of three-way valves; an outlet of the circulating pump is connected with an inlet of the radiator, an outlet of the radiator is used for being connected with an inlet of the heating component, the external water source is used for being connected with the inlet of the heating component, and the multiple three-way valves are arranged on pipelines connected with the inlet and the outlet of the heating component. The switching device is used for switching the communication relation between the circulating pump, the radiator, the external water source, the liquid storage water tank and the liquid supplementing water tank and the heating component, an external water source does not need to be consumed, water is not drained outwards, water resource waste is avoided, and meanwhile environment damage and pollution to the working face are reduced.

The invention discloses a method for forecasting stress and fatigue life of an articulated joint of a marine emergency bridge under a moving load. A wave-bridge action numerical model is established in fluid software, and an external drainage basin and bridge motion numerical model is constructed according to computational fluid mechanics (fluid). Finite element calculation is carried out under the same model proportion, and the fluid and the finite element model have the same size and the same position in the coordinate system of the fluid and the finite element model. And constraining the finite element model, and further applying a moving load. And operating the fluid software, and mapping the pressure data of the fluid software to the finite element software. And feeding back the movement of the bridge and the deformation of the joint structure obtained in finite element analysis in the finite element software to the fluid solver through a grid mapping technology so as to update grid data in the fluid solver. By forecasting the deformation of the hinge joint of the marine emergency bridge in a multi-field coupling environment, more accurate reference data is provided for the design of the joint of the marine emergency bridge.

The utility model relates to the technical field of fluid storage and treatment, in particular to an air storage tank convenient for drainage, which comprises a drainage piece, a supporting column, a first door body, three fixing rings and a second door body, the first door body is sleeved on the outer side of the supporting column, the fixing rings are all sleeved on the outer side of the supporting column, and the second door body is arranged on the surface of the fixing rings; and the movable assembly is arranged at the top of the supporting column and comprises a movable part, the movable part comprises a fixed column, a limiting column, a floating block, a connecting rod, an extrusion ball and a floating block, and the limiting column is inserted into the inner wall of the fixed column. The utility model has the beneficial effects that when the gas storage tank is filled with water, the water can be automatically discharged without extra manual drainage, so that the water level condition in the gas storage tank can be monitored in real time, the retention time of accumulated water in the gas storage tank is shortened, the problems of corrosion, blockage and the like caused by the accumulated water to equipment can be effectively avoided, the normal operation of the equipment is ensured, and the working efficiency is improved. And the production continuity is maintained.

A drainage structure for a gas sensor includes a detection element, a protector, and a drainage. The detection element is held in a housing. The detection element includes a detector that is provided in a tip end. The detector is configured to detect a specific component in gas of interest by contact of the gas of interest with the detector. The protector is secured to the housing. The protector covers the detector while ventilation is kept. The drainage has a long shape and is mounted to the protector. The drainage includes a first end disposed in the protector and a second end disposed outside the protector. The drainage is configured to produce a capillary action.

The utility model provides a kind of small washing machine of double mode drainage, including small washing machine main body and sewage tank, and small washing machine main body is provided with drainage mechanism and sewage tank installation area, sewage tank installation area is provided with drain, drain is connected with drainage mechanism, sewage tank is provided with sewage inlet, drain can be communicated with sewage inlet to drain to sewage tank or drain drains to outside, small washing machine main body is provided with shell, inner bag, shelf, washing arm and washing pump, washing arm and shelf are arranged in inner bag, and the washing pump is connected with washing arm and supplies water to washing arm, and the washing arm washes the article in inner bag, by being provided with small washing machine main body and sewage tank, and the installation area of sewage tank is provided with drain, the drain can directly drain to sewage tank or drain to outside through drain pipe to facilitate small washing machine main body in different positions use, increase the use scene of small washing machine main body, improve the applicability of small washing machine main body.

The controllable drainage pipeline based on water supply and drainage equipment production comprises a bottom box, a through hole is formed in the outer wall of one side of the bottom box, a water inlet pipe is fixedly connected to the inner wall of the through hole, and a top box is installed over the bottom box; when a rotating disc rotates, a third threaded rod rotates along with the rotating disc, at the moment, an L-shaped sliding rod can move back and forth on the outer wall of the rotating third threaded rod, meanwhile, a blocking ring also moves back and forth along with the rotating third threaded rod, when the drainage flow is normal or small, production water can be drained through an inner drainage pipe, and when the drainage flow is large, the rotating disc is rotated, and the production water can be drained. The two sets of plugging rings are moved out of the inner wall of the outer drainage pipe and the inner wall of the middle drainage pipe respectively, at the moment, water flow can automatically flow into the outer drainage pipe and the middle drainage pipe, and therefore the drainage efficiency is improved. Therefore, the surfaces of the outer drainage pipe, the middle drainage pipe and the inner drainage pipe are prevented from being broken.

The utility model discloses a sludge discharge device at the tail end of a sedimentation tank, which comprises a sedimentation tank main body, a sludge discharge device and a sludge discharge device, a feeding end and a discharging end are arranged at the two ends of the sludge suction main pipe respectively, the feeding end is fixedly mounted at the top of the sedimentation tank main body, and the discharging end is fixedly mounted on the outer wall of the sedimentation tank; the sludge suction branch pipe is fixedly installed on one side of the inner wall of the sedimentation tank, one end of the sludge suction branch pipe is fixedly installed at the feeding end of the sludge suction main pipe, and a sludge suction part is arranged at the end, away from the sludge suction main pipe, of the sludge suction branch pipe; the ball valve is used for injecting water into the mud suction main pipe, the drain valve and the branch pipe valve are opened and closed to form a siphoning effect, and sludge accumulated in the sludge bucket flows into the sludge discharge pipe through the mud suction branch pipe and the mud suction main pipe and is discharged into a drainage channel outside a pool through the sludge discharge mechanism, so that the sludge discharge device is low in cost, simple to operate and thorough in discharge; meanwhile, no power supply is needed, thereby being safe and reliable.

A kind of forestry seedling cultivation device, including cultivation seat, screen, water receiving cylinder, cultivation cup, transmission gear, support plate, fixed frame, the lower side of the support plate has multiple cushion blocks, cushion block has center support block, center support block is connected inside lower bearing, lower bearing outside is connected transmission gear, transmission gear is engaged with driven gear, transmission gear connects driven gear, the lower part of driven gear has lower support sleeve, lower support sleeve is connected water receiving cylinder by screw thread, the upper part of driven gear has upper support sleeve, upper support sleeve is connected with rotating lever by screw, rotating lever has multiple internal drainage holes, driven gear has multiple external drainage holes, internal drainage hole and external drainage hole position correspond, the rotating lever has cultivation seat, cultivation seat lower part is attached to support plate, support plate is connected with upper bearing outside, and upper bearing inside is connected with rotating lever.

The utility model provides a water-collecting well with dirt collecting and cleaning functions, which comprises a water-collecting well body, an external drainage ditch is arranged at the end of one side of the water-collecting well body, a main dirt collecting tank, a dirt falling platform and a water collecting tank are sequentially arranged at the bottom of the water-collecting well body along the water flow direction, and the dirt falling platform is higher than the main dirt collecting tank and the water collecting tank. The two side walls of the water collecting well body above the dirt falling platform are provided with dirt cleaning brush reciprocating grooves, sliding assemblies are arranged in the dirt cleaning brush reciprocating grooves, a sliding dirt cleaning brush is fixed between the two sliding assemblies, the edge, close to the water collecting groove, of the dirt falling platform is provided with a dirt cleaning brush positioning groove, and the sliding dirt cleaning brush is arranged in the dirt cleaning brush positioning groove to form sludge blocking. In the cleaning operation, the dirt can be discharged only by pulling the sliding dirt cleaning brush to push the dirt to the main dirt collecting tank and then starting the sewage pump, so that the operation process is simple and convenient, and the working intensity is obviously reduced; after the cleaning operation is finished, the sliding cleaning brush can be reset to the positioning groove, the sand blocking function continues to be achieved, and convenience is provided for follow-up maintenance.

The invention discloses swimming pool cleaning equipment. The cleaning equipment comprises a cleaning main body; the cleaning unit is arranged on the front side and / or the rear side of the cleaning body and used for cleaning the surface making contact with the swimming pool; the left water pump and the right water pump are located on the cleaning body and located on the left side and the right side of the center line of the cleaning body respectively, the left water pump and the right water pump both obliquely discharge water outwards, and transverse thrust can be generated in the water discharge direction of the left water pump and the water discharge direction of the right water pump; the control unit is used for controlling the rotating speed of the left water pump to be different from the rotating speed of the right water pump, and the left water pump and the right water pump generate thrust with the resultant force not being zero in the transverse direction to push the cleaning body to transversely move along the waterline. Therefore, the swimming pool cleaning equipment can clean along the waterline of the swimming pool in a full-coverage manner without dead angles.

The application discloses a drainage box and a window type air conditioner. The drainage box comprises a box body provided with a drainage cavity, an insertion opening and a drainage opening communicated with the drainage cavity. The box body is used to be connected with the air conditioner shell, and the insertion opening is arranged towards the air conditioner shell. The drainage opening is used to be communicated with an external drainage pipe. After the bottom disc is pushed into the air conditioner shell, the drainage joint is inserted into the insertion opening. The technical scheme of the application aims to facilitate the installation of the bottom disc into the air conditioner shell.

The utility model discloses a dehumidifier with a multifunctional water outlet structure, which comprises a dehumidifier shell and a water tank which are detachably connected, a water outlet port is arranged on the side wall of the dehumidifier shell, a water outlet cover is arranged on the water outlet port, a water outlet groove is arranged on an equipment support arranged in the dehumidifier shell, and the water outlet cover is arranged on the water outlet cover. A condensate water inlet, an outer drainage pipe hole, an overflow hole and an adjusting plate are arranged on the drainage groove, the adjusting plate is located between the outer drainage pipe hole and the overflow hole, a multifunctional water pipe connector device is arranged on the outer drainage pipe hole, the overflow hole is located above the water tank, and the multifunctional water pipe connector device comprises a plurality of annular water pipe connectors with the diameters gradually increased. The multifunctional water pipe connector device comprises an inner circular pipe connector and an outer circular pipe connector, and the problems that an existing dehumidifier is only provided with one external water outlet and can only be connected with one water pipe connector, the external water pipe opening of the dehumidifier is directly exposed on the side face of a machine case shell, and external dust and sundries are prone to being attached are solved.

The utility model belongs to the field of drainage tube devices, and particularly relates to a drainage device based on a Tesla structure. Comprising a Tesla flow guide structure, the Tesla flow guide structure is connected with a plurality of connecting ports for drainage through a three-way rotary valve, and the three-way rotary valve is rotated to switch different connecting ports so as to adapt to different types of catheters. The Tesla flow guide structure comprises a flow guide channel formed by connecting a plurality of Tesla valve hole units, and the Tesla flow guide structure is connected to the three-way rotary valve. The Tesla valve hole unit comprises a direct-flow main channel and a protruding annular channel. The device can adapt to different types of catheters and drainage devices, and has multifunctional drainage adaptability. Meanwhile, by means of the specific structural design of the Tesla valve, drainage in various drainage and discharge directions is smooth, drainage cannot pass through in the backflow direction, then drainage retrograde movement is reduced, and the living quality of a patient is improved. And the external drainage device of the device is provided with a pressure monitoring function for monitoring the drainage liquid amount, so that the observation frequency is reduced.

1. The name of the design product: cylinder (external drainage tube). 2. The use of the design product: the design product is used for pneumatic actuator which converts compressed gas into mechanical energy. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

This utility model provides a permeable garden road paving structure, comprising, from top to bottom, a permeable brick facing layer, a transition leveling layer, a first permeable geotextile layer, a water storage and drainage layer, a second permeable geotextile layer, a graded crushed stone load-bearing layer, and a foundation compaction layer. The water storage and drainage layer includes a multi-cell support frame and zeolite particles filling each cell of the multi-cell support frame. The multi-cell support frame is equipped with drainage channels that communicate with each cell and with external drainage ditches. The permeable garden road paving structure of this utility model adopts an integrated design of infiltration, storage, and drainage, which can achieve rapid elimination of water accumulation.

This invention provides a laboratory water tank for reducing the concentration of suspended solids in pharmaceutical solutions. The tank comprises a square tank with a downward-sloping central area. Within this recessed area, from top to bottom, are arranged the following: a sedimentation separation zone for preliminary solid-liquid separation of the liquid entering the tank; a filtration and adsorption zone connected to the lower end of the sedimentation separation zone for filtering and adsorbing the pre-separated liquid; and a purified liquid discharge zone connected to the lower end of the filtration and adsorption zone and connected to an external drainage pipe. This invention integrates sedimentation separation, multi-stage filtration, and adsorption functions, effectively intercepting and removing large particles of pharmaceutical residue and fine suspended solids from waste pharmaceutical solutions, while also effectively reducing dissolved organic matter, pigments, and odors, thus achieving effective pretreatment of laboratory waste pharmaceutical solutions at the source of discharge.

The application discloses an environmental protection treatment device and treatment process for chemical reaction kettle cleaning waste liquid, which comprises a filtering mechanism, an aeration mechanism and a reaction mechanism, wherein the filtering mechanism, the aeration mechanism and the reaction mechanism are sequentially connected, one side of the filtering mechanism is provided with a liquid inlet pipe, an input end of the liquid inlet pipe is connected with a waste outlet of an external reaction kettle, the aeration mechanism comprises an aeration tank, an inner wall of the aeration tank is fixedly connected with a second partition plate, a plurality of aeration pipelines are equidistantly arranged at a bottom end of the second partition plate, output ends of the plurality of aeration pipelines simultaneously pass through the second partition plate, input ends of the plurality of aeration pipelines are simultaneously connected with aeration machines, and an outer wall of a top end of the second partition plate is fixedly connected with a flow guide bin. The environmental protection treatment device and treatment process for chemical reaction kettle cleaning waste liquid have the effects that the aeration efficiency can be ensured, the foam generation amount is reduced, the edge foam is continuously guided to the middle position, and the effects of avoiding causing the water quality of the external drainage to decrease and environmental pollution are achieved.

This utility model provides a drainage facility for indoor cable trenches. An indoor drainage pit is dug under one end of the cable trench in the power distribution room. A submersible pump is installed in the indoor drainage pit, which is connected to an outdoor drainage ditch via a drainage pipe. Water accumulated in the indoor drainage pit is discharged to the outdoor drainage ditch through the submersible pump and the drainage pipe. The advantages of this utility model are: it greatly reduces the problem of water accumulation in cable trenches, and lowers the risk of power outages or personal safety hazards caused by water accumulation in cable trenches.

This utility model relates to the field of lifting window technology and discloses a lifting window with a concealed self-draining system. It employs a double-sided toothed belt transmission structure, utilizing drive pulleys and a toothed belt to drive the movable window panel. The toothed belt is connected to two sets of fixed-axis drive pulleys, ensuring the belt is relatively taut during operation. This provides good driving load-bearing capacity for the fixed window panel from both the top and bottom, significantly improving the window's stability. Furthermore, the concealed drainage structure hides the drainage mechanism within the lower inner part of the lifting mounting groove. A protective cover is provided on the external drainage groove side. One side of the protective cover is supported by a connecting column and can be flipped for convenient and quick opening and closing. Compared to traditional interlocking cover structures, this offers better ease of operation and effectively improves the cleaning and maintenance convenience of the window's drainage structure.

The invention discloses a method for accurately separating water from crude benzene based on density detection, relates to the technical field of separation equipment, and aims to solve the problems of how to improve benzene-water separation precision and optimize a separation process. Double separation of benzene and water is formed in the benzene-water interphase process through a double-action drainage mechanism of the diversion drainage assembly and the external drainage assembly; specifically, based on real-time density detection, water is distributed on the outer side and benzene is distributed on the inner side during high-speed centrifugal action, an upper layer and a lower layer of a benzene-water solution are formed through an efficient ionization effect, and two separation actions of the benzene-water solution are completed in a reversing communication drainage mode; and by combining the two methods, double separation of the benzene-water mixture is performed by using different density distribution mechanisms among benzene-water phases and adopting centrifugal action and ionization separation modes, so that thorough and accurate separation is ensured.

1. The name of the design product: air conditioner drainage pump (ZESBH). 2. The use of the design product: for air conditioner external drainage pump. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The present application relates to the technical field of water-salt and pollutant collaborative regulation optimization, and particularly relates to a water-salt and pollutant collaborative regulation optimization method. Spatial position information and attribute information corresponding to strip fields, drainage ditches, ecological sinks, strong drainage stations and external drainage river outlets in a target region are acquired; a target directed graph network model is constructed according to the spatial position information and attribute information corresponding to the strip fields, drainage ditches, ecological sinks, strong drainage stations and external drainage river outlets; and a water-salt and pollutant collaborative regulation optimization scheme corresponding to the target region is determined based on the target directed graph network model. The facility operation parameters (such as the split ratio) are optimized in a targeted manner, the conflict between the salt control and pollution reduction objectives is resolved, fine configuration is achieved, the treatment efficiency is improved, and the demand for comprehensive treatment of the water environment in the irrigation area is met.