49 results about "Rainwater tank" patented technology

The utility model relates to the technical field of rainwater recycling, in particular to a hill and mountain stepped multi-span greenhouse rainwater recycling system which comprises a greenhouse, a rainwater tank, a downpipe, a low-level reservoir, a filter tank, a high-level reservoir, a ground recycling ditch and a stack retting tank. Rainwater enters the low-level reservoir along the downpipe, the rainwater is filtered through the filter tank, the rainwater entering the low-level reservoir is transferred into the high-level reservoir to be stored, rainwater on the ground near the greenhouse is recycled through the ground recycling ditch, the rainwater is filtered through the filter tank, and the rainwater enters the low-level reservoir. And the rainwater is transferred into the high-level reservoir for storage, so that the problems that the rainwater runoff is fast and the rainwater is difficult to collect in a centralized manner due to topographic relief of the existing rainwater recovery equipment in hills and mountains are solved.

The utility model discloses a modularized rain sewage diversion box with a self-cleaning function, which comprises a diversion rainwater box, a module partition plate is correspondingly arranged in the diversion rainwater box, and the interior of the diversion rainwater box is divided into a precipitation cavity and a filtering treatment cavity by the module partition plate. According to the utility model, the interior of the diversion rainwater tank is divided into the precipitation cavity and the filtering treatment cavity by the module partition plate for respectively precipitating and filtering, so that reclaimed water and clean water can be conveniently treated and used, and the two backwashing cleaning pieces can be externally connected with an external water source for respectively backwashing the precipitation cavity and the filtering treatment cavity; the water filtering part and the flow guide control part are not prone to being blocked, dirt and impurities can be circularly cleaned and filtered through the filtering and cleaning tank, water is saved while self-cleaning is convenient, the device is convenient to carry out modularized split-flow water outlet, reclaimed water outlet and clean water outlet, the application range is large, the self-cleaning backwashing effect is good, cleaning is convenient, and water is saved.

The utility model relates to the technical field of rainwater box culverts, in particular to a prefabricated assembly type rainwater box culvert suitable for an integrated supporting machine, which comprises an upper box culvert plate, a lower box culvert plate and side box culvert plates, a plurality of inserting rods are fixedly arranged on the lower surfaces of the upper box culvert plate and the lower box culvert plate, and upper and lower assembly ribs are fixedly arranged on the surfaces of one sides of the upper box culvert plate and the lower box culvert plate. An upper splicing groove and a lower splicing groove are fixedly formed in the surface of the other side of the upper box culvert plate and the surface of the other side of the lower box culvert plate, internal threaded rods are slidably arranged in the side box culvert plates, L-shaped plug pins are fixedly arranged at the upper ends of the internal threaded rods, and the plug-in rods of the upper box culvert plate and the lower box culvert plate are inserted into the inner sides of the slots of the side box culvert plates, and then the rotary knobs are rotated to drive the lead screws to rotate. When the box culvert is installed, the threaded rod is driven to move to drive the L-shaped plug pin to be inserted into the insertion hole of the insertion rod, butt joint and fixation are completed, disassembly and replacement are convenient, and when adjacent box culverts are installed, butt joint can be conducted by inserting the upper and lower assembly convex edges and the side assembly convex edges into the inner sides of the upper and lower assembly grooves and the inner sides of the side assembly grooves, so that the splicing positions can be tighter.

A hot water unit fluid supply control system comprises a switching device coupled to a hot water unit, a rainwater tank and a potable water source. The switching device is configured to selectively switch between a first state, which allows fluid communication between the hot water unit and the rainwater tank, and a second state, which allows fluid communication between the hot water unit and the potable water source. The hot water unit fluid supply control system comprises a control unit configured to: receive fluid characteristic information associated with fluid in the hot water unit from one or more sensors; activate or deactivate a pump of the rainwater tank based on a comparison of a fluid characteristic parameter of the fluid characteristic information with requirements of the hot water unit to thereby cause the switching device to assume the first or second state.

The utility model relates to the field of comprehensive application of rainwater, in particular to a plastic split-flow type rainwater tank, and provides the following scheme aiming at the defect that in the prior art, a water outlet pipe cannot be automatically closed at proper time after split-flow is completed, so that the collection efficiency of clean rainwater is affected, and the plastic split-flow type rainwater tank comprises a tank body; the water inlet hole is formed in the top of the tank body and communicated with a water inlet pipe, a telescopic sleeve is fixedly installed on the top of the tank body, a first water outlet hole is formed in one side of the tank body and communicated with a first water outlet pipe, a valve is arranged on the first water outlet pipe, and a second water outlet hole is formed in one side of the tank body and communicated with a second water outlet pipe. The second water outlet hole is communicated with a second water outlet pipe; according to the device, after flow discarding is completed, the water outlet pipe can be automatically closed at a proper time, and the influence on the collection efficiency of clean rainwater is avoided.

The utility model relates to a rainwater floating object physical separation structure, and relates to the technical field of rainwater collection. The drainage pipeline is arranged on the frame body; the filter screen is arranged at the top of the rainwater tank; the purification box is arranged between the rainwater tank and the filter screen; and the cleaning mechanism is arranged between the purification box and the filter screen and is used for collecting and cleaning impurities. The rainwater collecting and storing device has the advantages that when rainwater is collected and stored, impurities doped in the rainwater are separated, the impurities are not prone to being soaked and fermented for a long time to generate unpleasant odor, and meanwhile the rainwater quality is improved.

To provide a temporary dwelling house which can be immediately utilized as a living place only by being transferred to and installed in a required place in an emergency, which can keep weight balance in transfer and installation, and which brings pipes for water and sewerage close to each other.SOLUTION: The temporary housing capable of being relocated by a truck is provided with a living room 4 having a bed base 6 and an air conditioner 8 on one side end side in a box-shaped dwelling part 2 and a kitchen 7 on the almost center part, a private room 5 having a washroom and a bath and a shower and a toilet on the other side end side, the kitchen 7 and the washroom and the bath and the shower and the toilet are arranged at a position where a shortest distance can connect a water supply route and a drain route, a rainwater tank collecting rainwater from the outside and supplying the rainwater as clean water and a solar panel supplying electric power to the roof part are provided, and on one of two longitudinal side faces of the box-shaped dwelling part 2, an entrance and a panel capable of being opened upward after installing the temporary housing on a place to be installed are provided.SELECTED DRAWING: Figure 6

The invention discloses a device and method for preventing ice from being formed on a cold-region hydropower engineering warehouse shed cornice, and relates to the technical field of roof cornice ice removal. The device comprises a rainwater tank, a water drip, a tank edge support assembly, a leaf baffle, a snow melting shutter assembly and a rainwater pipe; the groove edge support assembly, the leaf baffle and the snow melting shutter assembly are all arranged at an opening of the rainwater groove, and the rainwater groove is connected with a rainwater pipe in a matched mode. The method comprises the steps that the device and the ice and snow monitoring assembly are installed at a building cornice; in rainy, snowy and frozen weather conditions, the matched electric tracing band in the device is automatically electrified and heated, and the ice is automatically prevented from being formed on the engineering cornice in the cold region by increasing the drainage speed of snow water on the cornice and reducing the thickness of accumulated snow on the cornice. The system is simple in principle, intelligent in control, safe, labor-saving, efficient and energy-saving.

The invention belongs to the technical field of rainwater recycling devices, and particularly relates to a self-cleaning anti-blocking rainwater and sewage diversion device which comprises a rainwater tank, a siphon and a water tank blow-off pipe are arranged on the two sides of the bottom of the rainwater tank respectively, and a spiral driving part extending into the siphon is arranged at the inner bottom of the rainwater tank. The siphon and the water tank blow-off pipe are arranged, siphon and blow-off can be achieved respectively, the spiral driving piece can be driven during siphon drainage, the water source flushing strength is enhanced in a spiral mode, the inner wall of the rainwater tank is rotationally cleaned, the driving motor can run to drive the switch electromagnet and the metal driven plate, the spiral driving piece and the tank body cleaning scraper blade, and the rainwater tank is cleaned. And the backflow flushing part can perform back flushing on the interior of the siphon, so that the siphon strength of the device is high, automatic cleaning scraping and electric driving scraping are both considered, the pipeline anti-blocking back flushing capacity is good, the automatic anti-blocking drainage capacity is excellent, and anti-blocking diversion of rainwater is facilitated.

This utility model belongs to the field of urban water conservation and discloses an integrated system for rainwater harvesting and greywater reuse in buildings. It includes a rainwater harvesting system comprising a rainwater tank, rainwater collection pipes, rainwater downpipes, and a rainwater outlet pipe. The rainwater tank is installed within the building body, the rainwater collection pipes are fixed to the top of the building body and connected to the rainwater tank, and a rainwater overflow pipe is installed inside the rainwater tank. The rainwater downpipes are installed on the side walls of the building body, and the rainwater overflow pipes are connected to the rainwater downpipes. The rainwater outlet pipe is installed on the side wall of the rainwater tank. A greywater system is also included. Rainwater is collected from the top floor of the building body through the rainwater collection pipes, and then connected to the greywater system through the rainwater outlet pipes. This allows the rainwater collected by the building body to be reused for indoor washing, avoiding the situation where rainwater collected by the building cannot be fully utilized by the rain garden, thus improving the utilization rate of rainwater.

The application discloses a construction method of a gas pipeline crossing a box culvert with protection, and comprises the following steps: excavating the concrete of the two inner side walls of a box culvert to be crossed, and sending a protection box culvert into the box culvert to be crossed; excavating the concrete at the joint of the bottom plate of a rainwater box culvert and the side wall of the protection box culvert, and placing steel bars at the joint of the bottom plate of the rainwater box culvert and the side wall of the protection box culvert, at the side wall of the rainwater box culvert, and between the side wall of the protection box culvert and the side wall of the box culvert to be crossed, and welding the steel bars with old steel bars; filling the concrete between the joint of the side wall of the protection box culvert and the bottom plate of the rainwater box culvert, and between the side wall of the protection box culvert and the side wall of the box culvert to be crossed; wrapping viscoelastic bodies and epoxy glass steel on the surface of the gas pipeline in sequence; and filling between the protection box culvert and the gas pipeline. The application can effectively transmit force by the new and old steel bars, realizes the effective force transmission path formed by the protection box culvert and the original box culvert, guarantees the bearing capacity of the original box culvert, forms a corrosion-proof layer and a hardening layer outside the gas pipeline by the viscoelastic bodies and the epoxy glass steel, and effectively prevents the corrosion of the steel pipe and the mechanical damage of the gas pipeline.

The utility model discloses a rainwater flower box with water purification, storage and release functions relates to rainwater flower box technical field, including rainwater tank, the water inlet, overflow port and the access hole are set gradually from top to bottom in the one side of rainwater tank, and the water inlet is fixedly connected with the water taking pipe of the other side of rainwater tank, the inside fixed mounting of water inlet has the water inlet pipe, the water inlet pipe one end extends to the inside of rainwater tank, and the other end of water inlet pipe is provided with purification subassembly. The utility model discloses a third connecting pipe, overflow port and overflow pipe can be used in the process of rainwater tank, when the water inlet pipe is stored in the inside of rainwater tank, because the height value of third connecting pipe is less than the height value of rainwater tank, with the first connecting pipe continuously stored in the inside of rainwater tank, third connecting pipe will pour the water overflowed in rainwater tank in the soil of flower plant, reach the purpose of automatic irrigation to flower plant, and bring the convenience for the use of rainwater tank.

To provide a rainwater tank, a method of use of the rainwater tank, and a maintenance method of the rainwater tank, wherein the rainwater tank actively circulates water to sufficiently discharge debris, prevent stagnation of rainwater, and maintain clean rainwater in the rainwater tank.SOLUTION: A rainwater tank 1 that does not allow rainwater to stagnate includes a rainwater inlet 2 provided at an upper portion for collecting rainwater and a drain outlet 3a provided at a lower portion for discharging rainwater overflowing when the rainwater tank 1 is full together with debris. A drain pipe 5 is connected to the drain outlet 3a to drain rainwater to a downpipe 4a. A method of use of the rainwater tank 1 includes using a ball tap 7 to introduce tap water into the rainwater tank 1. A maintenance method of the rainwater tank 1 includes removing the drain pipe 5 from the downpipe 4a and using the drain pipe 5 as a downward drain hose from the drain outlet 3a to discharge water in the rainwater tank 1 together with debris.SELECTED DRAWING: Figure 1

The utility model relates to a ship grey water recycling system. Comprising a rainwater tank and a rainwater filter which are arranged in parallel, a ship machine grey water tank and a ship machine grey water filter, a domestic grey water tank and a domestic grey water filter which are connected through connecting pipes, and a rainwater pipe and a fresh water pipe are connected to an inlet of the rainwater filter; an inlet of the domestic grey water filter is connected with a domestic grey water pipe, and an inlet of the ship machine grey water filter is connected with a ship machine grey water pipe; a first overflow pipeline used for being communicated with a domestic grey water tank and a second overflow pipeline used for being communicated with a ship machine grey water tank are installed on the side portion of the top of the rainwater tank. The system further comprises a circulating device for establishing mixed shunting circulation for the ship-engine grey water tank and the domestic grey water tank, a liquid medicine tank for filling liquid medicine for the ship-engine grey water tank and the domestic grey water tank, and a medicine adding assembly. The ship machine grey water tank and the domestic grey water tank are connected with the pressure tank through a pipeline and a transfer pump. The utility model provides a ship grey water recycling system which is used for recycling ship machine grey water, domestic grey water and rainwater generated during operation of a ship, reducing the overall consumption rate of fresh water and reducing sewage discharge of the ship.

The utility model discloses a mountain tea garden irrigation system which comprises a closed rainwater pool, the interior of the rainwater pool is divided into a clear water pool and a liquid medicine pool through a partition plate, a first water pump is arranged in the clear water pool, and the output end of the first water pump is connected with a water outlet header pipe. The tail end of the main water outlet pipe is connected with a first branch pipe and a second branch pipe through a three-way joint, the tail end of the first branch pipe penetrates through the partition plate to be communicated with the liquid medicine tank, the first branch pipe is sequentially provided with a flow meter and a first stop valve in the water flow direction, and the second branch pipe penetrates through the rainwater tank and is provided with a second stop valve; a second water pump is further arranged on the outer side of the rainwater pool, the input end of the second water pump communicates with the bottom of the liquid medicine pool, and the output end of the second water pump is connected with a liquid medicine pipe. According to the mountain tea garden irrigation system, operation can be rapidly switched between conventional watering irrigation and fertilization or pesticide spraying work, resource waste is effectively reduced, the planting cost is reduced, and use is more convenient.

The invention discloses an automatic rainwater collecting and distributing system which comprises a factory rainwater inspection well, an initial rainwater pool, a clean water pool and an intelligent regulation and control assembly. The initial rainwater pool is connected with the factory rainwater inspection well through a first pipeline, and a first switch valve is arranged on the initial rainwater pool; the initial state of the first switch valve is set to be opened, the clean water tank is connected with the factory rainwater inspection well through a second pipeline, a second switch valve is arranged on the clean water tank, the initial state of the second switch valve is set to be closed, the intelligent regulation and control assembly comprises a controller and a first liquid level meter, and when the first liquid level meter detects that the liquid level height in the initial rainwater tank reaches a preset value, the controller is started; the controller controls the first switch valve to be closed and controls the second switch valve to be opened. According to the automatic rainwater collecting and distributing system, initial rainwater and later clean rainwater can be automatically distributed and collected, manual participation is not needed, meanwhile, the problems of misoperation and the like caused by human factors are solved, and the reliability of distributing and collecting is guaranteed.

The utility model discloses a gutter inlet structure with a silt settling function, which comprises a rainwater tank body arranged on a road surface, a grate is covered on the top of the rainwater tank body, the rainwater tank body sequentially comprises a filtering area and a silt settling area from top to bottom, the filtering area is detachably connected in the rainwater tank body, the bottom of the silt settling area is communicated with soil through a first pipeline, and the silt settling area is communicated with soil through a second pipeline. One side of the upper part of the rainwater tank body is communicated with a clear water area; the lower part of the clear water area is communicated with a rainwater pipe network through a second pipeline. In the initial stage of rainfall, impurities and silt carried by rainwater can be effectively intercepted, the drainage capacity of the gutter inlet is maintained, the gutter inlet connecting pipe is prevented from being blocked, and initial rainwater pollution is relieved to a certain degree.

The utility model discloses a rainwater collection module convenient to expand, and relates to the technical field of rainwater collection. The rainwater collecting box comprises a box body, side grooves are symmetrically formed in the two sides of the box body, a top groove is formed in the top of the box body, and a rainwater box is placed in the box body below the top groove. The expansion plate slides upwards along the rain guide groove, the upper end of the bolt is screwed into the threaded hole formed in the bottom of the lower end of the expansion plate, and the expansion plate is locked and fixed in the rain guide groove, so that the rain receiving area of the rainwater collecting hopper can be expanded through the expansion plate, operation is convenient, the rainwater collecting efficiency can be improved, and the rainwater collecting efficiency is improved. The rainwater box is moved out of the box body, the filtering frame can be taken out of the rainwater box, personnel can conveniently clean the interior of the filtering frame, a screw rod is rotated anticlockwise to drive a U-shaped sealing plate to move towards the position away from a sewage discharging window, the sewage discharging window can be opened, and therefore the personnel can conveniently clean sediments at the bottom of the rainwater box; and the use effect is better.

The invention discloses a rapid assembly type rainwater tank structure under an urban road and a construction method, and particularly relates to the technical field of municipal drainage engineering.The structure comprises prefabricated box units, and the prefabricated box units are connected through bell mouths and inserting openings in a bell-and-spigot joint mode to form a continuous box body channel; sealing assemblies such as water swelling strips and elastic sealants are arranged at the joints to ensure sealing performance, opposite-pull elements such as steel strands in reserved grooves are used for applying prestress to control gaps of the joints to be uniform, and the prefabricated box units are designed to be cuboid and connected with auxiliary structures such as inspection wells and sand setting wells. The construction method comprises the steps of construction preparation, trench excavation and support, foundation treatment, box body hoisting and connection, backfill compaction, pavement recovery and the like, and through standardized prefabrication and modular installation in combination with geological adaptability treatment and all-weather monitoring, the construction method has the advantages of being rapid in assembly, high in sealing performance, high in construction efficiency, low in cost, good in stability, safe, reliable and the like.

This invention discloses a device for cleaning floating debris in a rainwater pool, comprising a rainwater pool body for storing rainwater, characterized in that it further includes a sludge collection filter cylinder located in the middle of the rainwater pool body. A water guide cylinder is connected to the bottom of the sludge collection filter cylinder, and multiple right-angle water guide pipes are connected to the outer wall of the water guide cylinder. The outer ends of the right-angle water guide pipes extend along the bottom and inner side walls of the rainwater pool body, with the openings of the outer ends facing upwards. By using a method of circulating water flow towards the middle of the rainwater pool body and transmitting vibrations through water surface ripples, the floating debris in the water is propelled to move synchronously, facilitating the rapid aggregation of debris near the sludge collection filter cylinder. This makes it easy to collect or remove the debris uniformly, effectively simplifying the cleaning method, reducing the difficulty of cleaning debris, freeing up manpower, and improving work efficiency.

A rectanguloid shape six-walled thermoplastic box for receiving and dispersing stormwater, when part of an array of like boxes that is buried in media, has interior bracing in the form of an irregular polyhedron structure comprised of up to six hollow pyramids. The truncated apexes of the pyramids meet near the center of the box. The base of each hollow pyramid is contact with, attached to, or integral with a wall at the location of an opening within which is a grate. A box may be injection molded as a single piece molding with living hinges. Alternatively, the pyramidal polyhedron structure may be formed as a separate element and placed within the walls of a box.

Stormwater and fluid management runoff systems, apparatus, and methods for containing and filtering runoff may be provided. In one implementation, a stormwater management box for managing stormwater runoff may be provided. The stormwater management box may include a top plate and a base plate having a plurality of spaced apart columns positioned therebetween. The stormwater management box may include one or more side panels positioned between the top plate and the base plate, each side panel comprising a cover. The stormwater management box may also include a truss, the truss running perpendicular to the vertical plane of the one or more side panels and fitting within a vertical space between an upper surface of the bottom plate and a lower surface of the top plate.

The application is a movable rain cellar water purification device, comprising: a water storage tank and a disinfection tank, the upper end of the water storage tank is provided with a water inlet, the bottom end of the water storage tank is provided with the disinfection tank, one end of a water delivery pipe is communicated with the lower end of the water storage tank, a power box is arranged on the side wall of the disinfection tank, a driving assembly is arranged in the power box, the other end of the water delivery pipe penetrates through the top wall of the power box, a horizontal support plate is arranged in the disinfection tank, stirring blades and nozzles are arranged below the support plate, a transmission assembly and a disinfectant supply assembly are arranged above the support plate, the driving assembly drives the transmission assembly to move, the transmission assembly drives the disinfectant supply assembly to move, the transmission assembly drives the stirring blades to rotate forward and backward alternately and reciprocate, and at the same time, the disinfectant supply assembly can intermittently supply disinfectant to the nozzles. The application can provide a treatment power source by the liquid level difference of the water body, the device has low energy consumption, the water storage tank, the disinfection tank and the collection tank are all small pry installations, are convenient to move, and are suitable for household use and temporary drinking water in the wild.

To provide pavement that prevents flooding of the road surface. [Solution] A pavement having a crushed stone layer and a surface layer on a roadbed, further comprising a rainwater tank below the crushed stone layer for storing water that falls on the surface of the pavement, a permeable sheet between the rainwater tank and the crushed stone layer, a waterproof sheet between the roadbed and the crushed stone layer, and perforated blocks having a height equal to the thickness of the surface layer, each having a base laid on at least a part of the pavement and a cylindrical body with a hole protruding from the base, and pavement material being poured into the open spaces of the surface layer.

The utility model provides a folding arm square umbrella, including support stand, still include: lifting structure, lifting structure sets up on support stand, support arm structure, support arm structure sets up on support stand and lifting structure, lifting structure ascends and drives folding arm structure to open. Through motor positive rotation drives fine turning screw rod rotation, it is convenient to make the whole folding arm square three better automatic unfolding and folding storage. The motor of the present application is arranged at the top of the whole folding arm square umbrella, which facilitates increasing the sun-shading area available below the folding arm square umbrella. The motor can be easily disassembled and repaired by removing the motor chamber cover. The collected rainwater in the rainwater tank is discharged through the water outlet pipe, which facilitates the installation of the water outlet pipe on the folding arm square umbrella and effectively discharges the rainwater falling into the interior.

The utility model relates to the technical field of installation structures, and discloses a greenhouse external sunshade stand column installation structure which comprises a greenhouse body, four drainage pipes and two rainwater grooves, the four drainage pipes and the two rainwater grooves are installed outside the greenhouse body, two sets of installation mechanisms are arranged in each rainwater groove, and four sunshade stand columns are arranged outside the greenhouse body. According to the greenhouse external sunshade stand column mounting structure, the sunshade stand column is stably mounted on the side wall of the rainwater tank through the mounting mechanism, it is ensured that the sunshade stand column is suspended above the rainwater tank and does not make direct contact with the bottom of the rainwater tank, in this way, it can be ensured that a drainage channel in the rainwater tank is unblocked, and water accumulation or blockage is avoided; the mounting mechanism comprises a special-shaped groove and a special-shaped block, the special-shaped groove and the special-shaped block are matched with each other to ensure that the sunshade stand column can be stably inserted into the positioning base, positioning bolts are arranged on the two sides and can be screwed into threaded grooves in the two sides of the special-shaped block, and therefore stable mounting and limiting of the sunshade stand column are achieved.

This utility model belongs to the field of stormwater culvert technology. It discloses an intelligent stormwater culvert for intercepting sewage, comprising a culvert body. A hydraulically operated, bottom-opening weir gate is installed near the center of the culvert body. The hydraulically operated, bottom-opening weir gate divides the culvert body into a first chamber and a second chamber from left to right. A floating baffle is installed inside the first chamber near the hydraulically operated, bottom-opening weir gate. This stormwater culvert has an intelligent diversion function. Compared to traditional interception wells, it not only intercepts sewage on sunny days but also automatically opens or closes the gate according to different conditions based on parameters measured by water quality analyzers, rain gauges, and level gauges, thus achieving intelligent sewage interception. This effectively and thoroughly separates rainwater and sewage. Utilizing the diversion well approach in a stormwater culvert can effectively intercept sewage in the culvert on sunny days, greatly reducing the frequency of combined rainwater and sewage overflows during rainy days. It can play a significant role in the treatment of black and odorous water bodies and the control of river water quality.

The present invention relates to a heat source supply device and method for a heat pump using a rainwater tank, wherein the effluent from a sump that stores and discharges effluent groundwater is stored in a rainwater tank during the winter and used as a heat source for a heat pump, thereby reducing the cost of effluent discharge and facilitating the supply of a heat source for a heat pump. The device comprises: a plurality of sumps that collect effluent groundwater and discharge it as effluent; a rainwater tank that collects the effluent discharged from the plurality of sumps only during a specific period and supplies it as a heat source for heat exchange of a circulating medium; a heat exchanger that heat-exchanges the circulating medium with the heat supplied through the rainwater tank; a heat pump that performs a heat storage or cooling storage operation to supply circulating water for cooling or heating to the cooling or heating unit, and is connected to the heat exchanger and a cooling / heating unit through a circulation line through which the circulating medium flows to form a closed loop, and a control unit that controls the operation of the rainwater tank, the heat exchanger, and the heat pump.

The utility model relates to the technical field of dust removal and filtration for coal mine ventilation safety, and discloses a dust removal and filtration device for coal mine ventilation safety, which comprises a base, the top of the base is provided with a first filtration mechanism, and the first filtration mechanism comprises a first filtration box. The first filtering mechanism is arranged, a screen plate can screen out large-particle dust in the air, a first servo motor is started to drive a first fan to rotate, the air is sucked into the device for dust removal and filtering, the second filtering mechanism is arranged, a rainwater tank can store rainwater, water resources can be saved, and the environment is protected. A second servo motor is turned on to drive a second gear to rotate, so that a first gear is driven to rotate to enable a spraying pipe to rotate, water mist sprayed by an atomizing nozzle can be uniformly distributed in an inner cavity of the dust removal box, and the purpose of reducing dust in the air is achieved; a third servo motor is turned on to drive a second fan to rotate, air flow is enhanced conveniently, and the ventilation efficiency is improved.

The invention discloses an urban rainwater regulation, storage and treatment system based on multi-working-condition intelligent regulation and control and an operation method. The system comprises an underground regulation and storage pond, an overground regulation and storage pond, double intercepting wells, double rainwater closed conduits, a rainwater box culvert, a sewage drainage station, integrated sewage treatment equipment, a sewage lifting pump station and an intelligent water affair platform. The operation is divided into four working conditions of dry season, early stage of heavy rain, middle and later stage of heavy rain and extreme rainstorm, 100% collection and treatment of high-pollution rainwater are realized, landscape maintenance, flood control peak clipping and ecological water supplementation are considered, and the response efficiency of the system and the utilization rate of water resources and energy sources are improved.