73results about How to "Improve water resource utilization" patented technology

The invention is suitable for the technical field of electric digital data processing, and provides a dry farming rice irrigation method, device, equipment and system and a storage medium, the method comprises the following steps: obtaining the daily average temperature and historical soil moisture content of target dry farming rice from the beginning of sowing to the current moment; determining the growth stage of the target dry farming rice based on the daily average temperature; based on the historical soil moisture content, the field water holding rate is obtained; determining an irrigation upper limit value and an irrigation lower limit value of the target dry farming rice at the current stage based on the field water holding capacity and the growth stage of the target dry farming rice; and performing irrigation management on the target dry farming rice based on the irrigation upper limit value and the irrigation lower limit value. The automation degree and the water and fertilizer utilization rate of dry farming rice field management can be effectively improved.

The invention belongs to the technical field of glass flue gas wastewater treatment, and discloses a glass substrate cullet flue gas wastewater treatment system and a glass substrate cullet flue gas wastewater recycling method.The glass substrate cullet flue gas wastewater treatment system comprises a chlorination and denitrification device, a chlorine spraying device and a filtering device; the adding amount of sodium hypochlorite is adjusted through a sodium hypochlorite adding pump, sodium hypochlorite and cullet flue gas wastewater are fully mixed under the action of aeration of an aeration pipeline at the bottom of the denitrification reaction tower and a stirrer at the top of the denitrification reaction tower, ammonia nitrogen in the cullet flue gas wastewater reacts, and ammonia nitrogen is removed. And powder scraps are removed through filtering of a filtering material in a multi-medium filter in the filtering device, so that filtering is realized. Under the action of the spraying device, the adding amount of sodium hydrogen sulfite entering the spraying tower is controlled by adjusting the adding pump, excessive sodium hypochlorite is removed, chlorine is generated, and the technical problem that in the prior art, after ammonia nitrogen is removed, water resources are wasted due to direct discharging is solved.

The utility model relates to the technical field of radish irrigation devices, in particular to an energy-saving irrigation device for radish planting, which comprises a storage box, a water inlet pipe is fixedly mounted at the top of a front side plate of the storage box, a threaded pipe is mounted at the water outlet end of the water inlet pipe, and a threaded sleeve is in threaded connection with the threaded pipe. A filter mesh bag is fixedly mounted at the bottom end of the threaded sleeve; a conveying pump is arranged outside the storage box, a conveying pipe is fixedly installed at the water outlet end of the conveying pump, a plurality of evenly-distributed pipes are detachably connected to the conveying pipe, a plurality of water dripping holes are formed in the evenly-distributed pipes, a hard pipe is fixedly installed at the water inlet end of the conveying pump, and the tail end of the hard pipe penetrates into the storage box and is fixedly provided with a hose. A threaded connector is fixedly installed at the tail end of the hose, a mesh cylinder is detachably connected to the end of the threaded connector, a filter screen is arranged on the outer surface of the mesh cylinder, and a hollow floating plate is fixedly installed on the top face of the mesh cylinder. The drip irrigation device is convenient for drip irrigation operation and has a better impurity filtering effect.

The utility model discloses a water-jet-guided laser processing machine tool capable of recycling waste water, which relates to the technical field of water-jet-guided laser processing machines and comprises a shell, and a processing table is fixed at the central position in the shell. Waste water and chippings generated by machining are guided to flow to the water outlets in the two ends through the inclined drainage grooves in the surface of the machining table and fall to the filtering assembly through the water outlets. A folded edge groove formed by three layers of flow guide plates and an upper folded edge in the filtering assembly slows down water flow impact, so that large-size chippings are precipitated and temporarily stored, and the chippings in the folded edge groove can be conveniently cleaned through an integrally-formed scraping plate; the lining frame further intercepts suspended chippings, the preliminarily filtered wastewater flows into wavy filter cloth at the top of the wastewater frame through drainage holes in the bottom of the positioning frame, the filter cloth adsorbs fine impurities by increasing the contact area, and finally the purified wastewater is collected in the wastewater frame, so that graded filtration and recovery of the processing wastewater and efficient separation and cleaning of the chippings are realized; and the water resource utilization rate and the machine tool maintenance convenience are improved.

This utility model provides a crab and bass polyculture device, relating to the field of aquaculture technology. It includes a pumping device, an outer box, and an inner box coaxially arranged with a clearance fit. Two limiting grooves are formed inside the inner box. A water pump is fixedly connected inside the inner box, and rotary joints are connected to both ends of the water pump. The other end of each rotary joint is connected to a circular box slidably connected to the limiting grooves. A motor drives a synchronous pulley and a synchronous belt to drive the circular box to slide within the limiting grooves, allowing the water inlets on the circular box to connect with water pipes in different directions. Combined with the power of the water pump, this enables bidirectional water flow between the two ponds, constructing a bidirectional water exchange system between the crab and bass ponds. This improves water resource utilization, prevents water quality deterioration in a single pond, promotes the sharing of beneficial substances between the two ponds, and reduces aquaculture costs.

The utility model relates to a greening structure suitable for a steep soil slope. The method is suitable for the technical field of slope greening engineering. According to the technical scheme, according to the greening structure suitable for the steep soil slope, the surface of the steep soil slope is excavated to form a slope protection construction face, the slope protection construction face is covered with a slope protection structure, and the greening structure comprises drainage holes which are drilled in a slope body of the steep soil slope, and the multiple drainage holes are arranged at intervals in a multi-layer mode along the slope face of the slope; the planting holes are drilled in the slope surface of the steep soil slope, the multiple planting holes communicate with the multiple drainage holes in a one-to-one correspondence mode, and the ends, away from the drainage holes, of the planting holes penetrate through the slope protection structure; the planting tanks are arranged in the planting holes, are used for planting green plants and can discharge excessive water inside; and the drainage floral tube is arranged in the drainage hole and can collect surplus water in the slope body and guide the water into the planting tank so as to irrigate green plants.

This utility model discloses a backwash water concentrate recovery and utilization device, belonging to the field of water treatment technology. It includes a first filtration device, a second filtration device, and a third filtration device. The first, second, and third filtration devices are connected to the inlet of a wastewater collection tank. The outlet of the wastewater collection tank is connected to a wastewater pipe, which is connected to the inlet of a wastewater pump. The outlet of the wastewater pump is connected to a greywater treatment mechanism and also to a water purification mechanism. This utility model, employing the aforementioned backwash water concentrate recovery and utilization device, reduces the operating load and cost of the greywater treatment system, optimizes the water quality balance of the circulating water system, and prevents corrosion or scaling of cooling equipment, thereby ensuring the efficient and stable operation of the water treatment system.

The invention relates to the technical field of automatic cleaning, and discloses an automatic bowl body cleaning system which is used for solving the problem that cleaning parameters cannot be automatically adjusted according to the dirt problem of a bowl body when the bowl body is cleaned and comprises the steps that dirt on the bowl body is detected and evaluated to obtain a dirt accumulation index; the water flow is adjusted through the dirt accumulation index to obtain the actually needed water flow, the cleaning time is adjusted through the dirt accumulation index to obtain the actually needed cleaning time, steam condensate water generated by the sterilization kettle is stored in the condensate water storage tank, and then the condensate water in the condensate water storage tank is conveyed through the water pump. The bowl body is sprayed according to the actually required water flow and the actually required cleaning time, and the sprayed condensate water is precisely filtered and then returns to the condensate water storage tank to be heated, so that the bowl body cleaning efficiency is effectively improved, and the water resource utilization rate is increased.

The invention discloses a water purification system, and relates to the technical field of water purification, the water purification system comprises a water inlet waterway, a filtering waterway, a fresh mineral waterway and a pure water waterway, the filtering waterway is communicated with the water outlet end of the water inlet waterway, the filtering waterway is provided with a first filter element, a second filter element and a third filter element, the second filter element is configured to be a mineralized filter element, and the third filter element is configured to be a fresh mineral waterway; the third filter element is a reverse osmosis filter element, the second filter element and the third filter element are arranged on the downstream of the first filter element in parallel, the water inlet end of the fresh mineral water path is communicated with the water outlet side of the second filter element, the water outlet end of the fresh mineral water path is communicated with the fresh mineral water using end, and the water inlet end of the pure water path is communicated with the water outlet side of the third filter element. And the pure water path can be communicated with the fresh mineral water using end, so that mixed outlet water of fresh mineral water and pure water can be formed at the fresh mineral water using end. The fresh mineral water and the pure water are obtained through the independent filter elements, so that the fresh mineral water which meets the drinking standard and has the mineral content capable of being flexibly adjusted is provided for a user, and the water use requirement of the user is met.

The invention relates to a bathroom capable of realizing hip bath. The bathroom comprises a bathroom main body, a hip bath system and a drainage recovery system, an anti-skid hip bath area and a conventional washing area are arranged in the toilet main body, the ground of the anti-skid hip bath area is of a gentle slope structure with a low center and a high periphery, the gradient is 3-5 degrees, and anti-skid textures are arranged on the surface of the anti-skid hip bath area; the hip bath system comprises an embedded hip bath basin, a constant-temperature water supply assembly and a spraying piece, the embedded hip bath basin is embedded in the center concave position of the anti-skid hip bath area, the edge of a basin body of the embedded hip bath basin is provided with a flexible anti-collision strip, the constant-temperature water supply assembly comprises a constant-temperature valve, a heating water tank and a flow controller, and the spraying piece is installed in the embedded hip bath basin; the drainage recovery system comprises a main drainage port, a filter assembly and a circulating pump, the main drainage port is formed in the center of the bottom of the embedded bidet, the filter assembly comprises a stainless steel filter screen, an activated carbon filter layer and an ultrafiltration membrane which are sequentially arranged, and the circulating pump is communicated with the main drainage port and used for conveying water filtered by the filter assembly to the constant-temperature water supply assembly.

This invention provides a time-based and graded intelligent control device for simulated rainfall, belonging to the technical field of simulation experimental devices. It includes a central controller, which is connected via wires to a main valve, a laser displacement sensor, a visual recognition module, and a soil moisture sensor. The main valve is connected to a main pipeline, which in turn connects to several branch pipelines. Each branch pipeline is equipped with a second solenoid valve and several adjustable nozzles. The main pipeline is equipped with a first solenoid valve and an air intake / exhaust valve. Through the central controller's coordination with the main valve and sensors, intelligent linkage control is achieved. Combined with the time-based and graded regulation of the multi-stage pipeline solenoid valves and adjustable nozzles, the air intake rainfall simulation parameters of the air intake / exhaust valves can be dynamically adjusted based on real-time monitored sensor data. By combining the water intake volume of the solenoid valves with the rotation of the adjustable nozzles, the soil water demand in different areas and at different times can be accurately matched, significantly improving the spatiotemporal accuracy of rainfall simulation and water resource utilization.

The utility model relates to the field of automobile air conditioner compressor cleaning, and discloses an automobile air conditioner compressor cylinder body cleaning device which comprises a base, the top of the base is fixedly connected with a vertical plate, one side of the vertical plate is fixedly connected with a fixing plate, the top of the fixing plate is fixedly connected with an air cylinder, and the bottom of the fixing plate is provided with a motor. According to the cleaning device for the automobile air conditioner compressor cylinder body, the compressor cylinder body is placed on the base, the air cylinder is started to enable the cleaning assembly to enter the cylinder body, the cleaning assembly is matched with the spring to make extrusion contact with the cylinder body, and cleaning liquid is guided into the water injection barrel from the water inlet pipe through the water pump; the cleaning liquid can be evenly sprayed into the cylinder body from the water outlet holes, the motor is used for driving the rotary column and the cleaning assembly on the U-shaped frame to rotate to clean the interior of the cylinder body, and the problem that an existing compressor cylinder body cleaning device is difficult to guarantee the cleaning effect of the interior of the cylinder body is solved.

The utility model relates to the technical field of thermal boiler production, and discloses a thermal gas-fired boiler regular-discharge steam recovery device which comprises a boiler regular-discharge flash tank. The air outlet pipe is communicated with the top of the boiler periodic blowdown flash tank, a heat exchanger is installed at the top end of the air outlet pipe, an exhaust pipe is arranged above the heat exchanger, and an extension pipe is communicated between the heat exchanger and the exhaust pipe; according to the utility model, the heat exchanger is additionally arranged at the exhaust port of the existing boiler periodic blowdown flash tank and is matched with the recycling mechanism for use, so that the waste heat of boiler blowdown dead steam is effectively recycled, the energy utilization efficiency is improved, the operation cost is reduced, and the dead steam is condensed in the heat exchanger to form high-quality condensed water; and the preheated demineralized water enters the deaerator, so that the steam demand is reduced, the deaerator operates more stably, the phenomenon of white smoke plume caused by direct discharge of dead steam can be eliminated, and the factory environment is improved.

This invention relates to the field of zeolite molecular sieve production technology, specifically a method for in-situ crystallization synthesis of zeolite molecular sieves from solid waste coal gangue. The steps are as follows: Coal gangue is calcined at 600-800℃ for 1-5 hours to obtain calcined coal gangue; it is mixed with acid and water at a ratio of 1:(0.1-0.5):(4-8), reacted at 65-95℃ for 1-5 hours, and the pH is adjusted to 7-10 with alkali. After aging, it is filtered, washed, and dried to obtain activated coal gangue; the activated coal gangue is mixed with externally sourced materials, template agent, solid seed crystals (crystallinity ≥85%), and water in a specific ratio, crystallized at 100-200℃ for 24-72 hours, and calcined to obtain SAPO-34, SSZ-13, or AlPO. 4 -5. Adding ammonium salts via ion exchange can produce MTO catalysts. This invention improves the crystallinity of molecular sieves, resulting in a methanol conversion rate of ≥96% for the MTO catalyst, enabling the resource utilization of coal gangue, reducing costs, and providing a versatile process suitable for industrial application.

The utility model relates to mechanical equipment field discloses a cooling water spraying device for styrene storage tank, including the jar body, the outer wall fixedly connected with fixed block of jar body, the inner wall fixedly connected with the direct current pipe of fixed block, the top fixedly connected with ring pipe of direct current pipe, the inner wall fixedly connected with a plurality of spraying mechanism of ring pipe, the outer wall fixedly connected with a plurality of support of jar body, the outer wall fixedly connected with strengthening mechanism of jar body, the spraying mechanism includes the connecting pipe, the outer wall fixedly connected in the inner wall of ring pipe of connecting pipe, the bottom fixedly connected with the base of connecting pipe, in the utility model, through the motor of starting the inner wall of sliding block, motor drive force drives gear to rotate, under the cooperation of inner and outer rack plate of the inner wall of base, gear rotation drives sliding block to move in the base, and connecting column and connecting plate cooperate transmission force.

The present invention provides a water-saving irrigation water metering device including a flow meter device, wherein the flow meter device includes a main frame, a fastener and an ultrasonic component. The main frame is composed of a base, a fixed seat and a handle. The left and right ends of the base are provided with fixed seats, which are connected to the handle. The fastener is composed of an arc plate, a rotating shaft and a torsion spring. The arc plate is hinged at the left and right ends of the base through the rotating shaft. The torsion spring makes the arc plate naturally shrink inward to form a ring body to wrap the upstream and downstream ends of the branch pipe. The ultrasonic component includes a bottom plate fixed on the base, an ultrasonic processor and a sensor. The sensor is connected to the processor through a data cable, and the processor transmits the flow data to the main controller through the LoRa gateway. The device is compact and portable in design, easy to assemble and disassemble quickly, adapts to multi-branch irrigation scenarios, and effectively reduces installation complexity and labor costs; the device monitors the irrigation water consumption in real time, helps water resource managers adjust the irrigation amount according to crop needs and weather conditions, avoids over-irrigation, and reduces water waste.

The utility model relates to the technical field of chemical production equipment, and provides an energy-saving and emission-reducing calcium hydroxide production device which comprises production equipment, a stirring assembly is arranged in the production equipment, a water spraying structure is arranged on one side of the top of the production equipment, and an energy-saving structure is arranged on one side of the production equipment. The energy-saving structure comprises a water tank arranged on one side of the production equipment. According to the utility model, through the arrangement of the energy-saving structure, under the action of heat exchange between cold water in the water tank and hot air in the shunting air pipe, heat generated in the calcium hydroxide production process can be recycled, the cold water in the water tank is preheated, and then the preheated water is conveyed to the spraying system, so that the reaction efficiency can be improved; the overall energy consumption is reduced, the device has the function of facilitating energy conservation, and the working efficiency and the environmental protection property of the energy-saving and emission-reducing calcium hydroxide production device during use are improved.

This utility model relates to the field of wastewater treatment technology, and in particular to a series-type wastewater treatment flotation machine. It solves the problems of existing technologies where the sludge collection box is fixedly installed, resulting in cumbersome disassembly, difficulty in independent removal for thorough cleaning, long maintenance cycles, and high labor intensity. The series-type wastewater treatment flotation machine includes a flotation machine body and a mounting frame connected to the top of the flotation machine body. A mounting bracket is provided at one end of the flotation machine body, and the mounting bracket is connected to the end of the mounting frame via a connecting structure. A detachable collection chamber and a liquid collection box are provided at the bottom of the mounting bracket. This utility model, through the detachable liquid collection box and collection chamber, significantly improves the convenience of subsequent cleaning and maintenance efficiency, effectively reduces manual labor intensity, and meets the actual needs of efficient and stable equipment operation and rapid maintenance.

This utility model discloses a Bluetooth headset production testing device, including a testing pool. Support frames are fixedly connected to both sides of the testing pool. Several first rotating shafts are rotatably connected inside the testing pool. A first clamping plate is fixedly connected to the top of each first rotating shaft. A connecting frame is provided above the first clamping plate. A second rotating shaft is rotatably connected to the bottom of the connecting frame. A second clamping plate is fixedly connected to the bottom of the second rotating shaft. A rotating assembly for driving the first rotating shafts is provided at the bottom of the testing pool. A spray box is fixedly connected to the inner side wall of the testing pool. A water supply assembly is provided at the rear of the testing pool. In this utility model, by configuring the first rotating shaft, first clamping plate, second rotating shaft, second clamping plate, spray box, spray head, water supply tank, first pump body, water supply pipe, return pipe, return box, baffle, filter plate, second pump body, and connecting pipe, and coordinating with the rotation of the headset, the uniformity of spraying is improved, and the water resource utilization rate is increased.

The utility model discloses a circulating type seed kernel cleaning machine, which relates to the technical field of pumpkin seed cleaning machines, and adopts the technical scheme that the circulating type seed kernel cleaning machine comprises a base, a backflow water pool fixedly arranged at the top of the base, a plurality of fixing columns fixedly arranged at the top of the base, a spraying cleaning pool fixedly arranged at the tops of the fixing columns, and a concave drainage groove formed in the bottom of the spraying cleaning pool, the circulating type seed kernel cleaning machine has the advantages that the vibrator body drives the metal filter plate to vibrate at high frequency, pumpkin seed kernels move on the inclined filter plate in a jumping mode, preliminary screening (fine impurity separation) is achieved, the seed kernels can fully roll over, it is guaranteed that a spraying water curtain is covered without dead corners, and the cleaning efficiency is improved. The circulating water curtain assembly forms crossed water flow through a plurality of groups of spray headers, and is matched with low-pressure injection design (preventing seed kernels from being scattered), so that surface dirt, residual pulp and light and small impurities are effectively stripped, and the cleaning cleanliness is high.

A novel hydraulic pump station for mining includes an oil tank, a frame, and a control valve assembly mounted on the oil tank. The oil tank is located on top of the frame, and an oil pump assembly is mounted on the frame directly below the oil tank. The interior of the oil tank is divided into a return oil zone and an intake oil zone by a partition. The oil inlet of the oil pump assembly is connected to the intake oil zone via an oil suction filter, and the oil outlet of the oil pump assembly is connected to the inlet of the control valve assembly via a two-stage high-pressure filter. Water coolers and spray mechanisms are installed on both the front and rear sides of the oil tank. The water inlet of the water cooler is connected to a mining static pressure water supply system, and the water outlet of the water cooler is connected to the water inlet of the spray mechanism. The oil inlet of the water cooler is connected to the return oil port of the control valve assembly, and the oil outlet of the water cooler is connected to the return oil zone via a return oil filter. This invention features a compact overall structure, meets the requirements for use in confined spaces, and offers high cooling efficiency.

The utility model relates to the related technical field of rack adjusting pressing block cooling mechanisms, and one embodiment of the utility model provides a rack adjusting pressing block cooling mechanism which comprises a frame body, a bottom frame and a shell, the bottom frame is fixed outside the frame body, the shell is arranged in the frame body, a cooling assembly is arranged in the shell, a first conveying belt is arranged in the frame body, and a second conveying belt is arranged in the frame body. The first conveying belt penetrates through the interior of the shell, the conveying positioning assembly is arranged on the frame body, the discharging assembly is arranged outside the frame body, the cooling assembly comprises an inner cover, the inner cover is arranged in the shell, a cavity is formed in the top of the inner cover, a water inlet pipeline is arranged at the top of the inner cover and extends to the exterior of the shell, and spraying holes are formed in the bottom in the cavity. By means of the technical scheme, the technical problems that in the prior art, due to the fact that discharging is not smooth, the pressing blocks are prone to being stacked near the discharging opening, and the stacked pressing blocks are squeezed mutually, and deformation can be possibly caused are solved.

The invention discloses aluminum plate strip processing surface washing decontamination equipment, and belongs to the technical field of aluminum plate strip processing, the aluminum plate strip processing surface washing decontamination equipment comprises a washing tank, two ends of the washing tank are provided with openings for an aluminum plate strip to penetrate in and out, a partition plate is fixedly arranged in the washing tank, and the interior of the washing tank is divided into a scrubbing bin and a rinsing bin by the partition plate; a plurality of first guide rollers are rotationally connected into the scrubbing bin and the rinsing bin, a drying assembly for drying the aluminum plate strip is arranged at an opening in one end of the washing tank, and a filtering assembly for treating sewage is arranged on the rear side of the washing tank. Floating dust and impurities are stripped through high-pressure spraying of the spray head, stubborn stains are removed through mechanical brushing of the brush, deep purification is conducted through the rinsing bin, continuous operation is conducted in the whole process, the surface cleanliness and cleaning uniformity of the aluminum plate strip are greatly improved, and the high-precision surface treatment requirement is met.

The invention discloses a willow pile fracture monitoring and maintenance system and method for a biological check dam, and the system comprises a willow pile fracture self-excitation sensing module, a precise rooting maintenance module, a drought period synergistic water seepage and storage module and a system platform, the willow pile fracture self-excitation sensing module realizes real-time early warning monitoring and accurate positioning alarm of willow pile fracture, and the accurate rooting maintenance module generates a customized replanting scheme according to willow pile file data issued by the system platform and an adaptive algorithm. And the drought-period synergistic water seepage and storage module is combined with the pre-embedded biodegradable maintenance bag and the capillary water delivery carrier to strengthen the rooting effect and the water supply in the drought period. According to the system, traditional post-repair is upgraded into an intelligent management mode with real-time response, active intervention and continuous guarantee, the technical problems that in willow pile management of an existing biological check dam, breakage alarm is lagged, a complementary planting scheme is extensive, and water supply is insufficient in the drought period are solved, and the structural stability, ecological adaptability and self-maintaining capacity of the biological check dam are remarkably improved.

The utility model relates to the technical field of downflow evaporation cold technology, and specifically provides a downflow integrated evaporation cold all-in-one machine, adopts the structural form of half coil pipe half filler to integrate upper and lower box bodies, a fan, a water spraying system and the like into an integrated device, which is different from the downflow evaporation cold structure of the past upper and lower split body, the all-in-one machine is designed according to the integral type, cancels the bottom frame structure, reduces product cost, forms an advantage in price, the filler is detachable, maintenance is convenient, is equipped with multiple small diameter fans (8 level motors), within the energy-saving range stipulated in the new national standard, can select primary or secondary energy efficiency motor according to customer demand, conforms to the development demand of the high-quality direction of the industry energy saving, water saving, high efficiency, low noise and the like. The appearance of the all-in-one machine is planned and designed according to the size of a container, satisfies the overseas market demand, is compact in structure, saves installation space, and is reliable in operation.

The application relates to the technical field of industrial waste heat recovery, in particular to a centrifuge heat pump system for preparing high-temperature steam by using negative pressure steam, which comprises a flash tank and a heat pump unit. Specifically, the heat pump unit comprises a compressor for increasing the pressure of refrigerant, a condenser for making the pressurized refrigerant release heat and condense, a throttling device for reducing the pressure of the condensed refrigerant, and an evaporator for making the reduced-pressure refrigerant absorb heat and evaporate; the compressor, the condenser, the throttling device and the evaporator are connected through pipelines to form a refrigerant circulation system; a low-temperature heat source input port of the evaporator is connected with an external negative pressure steam source, and the evaporator is also used for condensing steam into liquid and outputting the liquid into the flash tank at least; a high-temperature heat source input port of the condenser is connected with a saturated liquid outlet of the flash tank, and a high-temperature heat source output port of the condenser is connected with a feeding port of the flash tank. The application has the effects of reducing energy waste and realizing efficient utilization of negative pressure steam.

The utility model discloses a civil engineering foundation pit drainage structure, belongs to the technical field of foundation pit drainage, and aims to solve the problems that silt blockage is easily caused and the water storage efficiency is reduced due to the fact that silt is inconvenient to clean. The civil engineering foundation pit drainage structure comprises a water collecting tank, a drainage channel is fixedly connected to the top of the left side of the water collecting tank, and a drainage pipe is fixedly connected to the right side in the water collecting tank; a pump is fixedly installed on the drainage pipe and fixedly installed on the right side of the water collecting tank, a cover plate is arranged on the top of the water collecting tank, limiting strips are fixedly connected to the front side and the rear side of the cover plate, sliding grooves are formed in the positions, corresponding to the limiting strips, of the water collecting tank, and a cleaning mechanism is arranged at the position, on the left side of the cover plate, of the top of the water collecting tank. A filtering mechanism is arranged on the right side of the cleaning mechanism in the water collecting tank; through the cleaning mechanism, filtered silt can be quickly cleaned, so that the water storage efficiency in the water collecting tank is improved, meanwhile, silt blockage is avoided, and the filtering effect is further improved.

The utility model discloses a planting frame for agricultural planting, which belongs to the field of agricultural planting frames and comprises a protective frame, a plurality of fixing laminates are arranged in an inner cavity of the protective frame, planting pots are fixedly connected to the tops of the fixing laminates, a water storage tank is fixedly connected to the top of the protective frame, and a collecting cover is fixedly connected to the top of the water storage tank. A filter screen is arranged at the top of the collecting cover, a communicating pipe is arranged on one side of the water storage tank, a plurality of spraying pipes are fixedly connected to the outer surface of the communicating pipe, and a conveying pipe is fixedly connected to one end of each spraying pipe; through cooperative use of all the devices and a rainwater recycling system composed of the water storage tank, the collecting cover, the filter screen and other assemblies, the problem that a rainwater collecting and recycling mechanism is lacked is effectively solved, natural rainfall resources are fully utilized, dependence on external water sources such as tap water is reduced, and the irrigation cost is reduced.

This invention relates to the field of solid waste treatment technology, and in particular to a method for multi-stage countercurrent water washing and dechlorination of waste incineration fly ash with a low liquid-to-solid ratio. This invention combines low liquid-to-solid ratio water washing with countercurrent water washing, and utilizes a rotary vibrator to achieve effective dechlorination of waste incineration fly ash, ultimately obtaining water-washed fly ash with a chlorine content of less than 1%. Compared with existing technologies, this invention organically combines low liquid-to-solid ratio water washing, countercurrent water washing, and a rotary vibrator, balancing dechlorination efficiency and water resource utilization. The process is stable and reliable, simple to operate, and has low energy consumption. The treated fly ash meets the requirements for subsequent resource utilization, providing an efficient and feasible new solution for the harmless treatment and resource recovery of waste incineration fly ash.