1811 results about "Outfall" patented technology

A showerhead includes a base connected with a water supply assembly. The base has a front wall with a plurality of water outlets; a plurality of waterways for directing water from the water supply assembly to the water outlets; and a plurality of cavities between the waterways that are not pressurized with water when the showerhead is operated. The showerhead may optionally include a front cover releasably supported on the base, and having a plurality of openings through which water from the water outlets of the base flows. If so, the front cover may be decorative and not pressurized with water when the showerhead is operated. A non-adjustable showerhead includes a structural unit having waterways that limit the surface area of the structural unit that is exposed to water pressure thereby limiting the force on the structural unit. The front wall of the structural unit may be exposed and serve not only a structural function but also as the esthetic part of the showerhead.

A humidifier (10) is provided having a housing (11), a conventional electric motor (12), a fan blade assembly (13), a conical suction tube (14), and a cylindrical water droplet diffusing screen (15) mounted concentrically about the suction tube. The housing defines a downward air channel (32) commencing at an air inlet (33) and which extends about the bottom edge (34) of a barrier to an upward air channel (37) terminating at an air outlet (38). The suction tube has a bottom opening (22) through which water may enter the interior space of the suction tube and a series of water outlets (23). The housing has a lower housing portion (25) which defines a water reservoir (28) adapted to hold a supply of water having a maximum water line (MWL). In use, water is drawn through the suction tube and expelled into the downward air channel as droplets. These droplets travel downwardly along the downward air channel wherein the airstream is then diverted upwardly, thereby causing heavier droplets to be withdrawn from the airstream. As the airstream continues upwardly within the upward air channel the heavier remaining droplets are also withdrawn from the airstream. As a result, the airstream exiting the humidifier contains only the smallest water droplets.

A/O biological biologic denitrifying reactor, adjustment of nitration process, its fuzzy on-line controller and controlling method are disclosed. The process is carried out by stirring in oxygen-deficient area continuously, denitrifying reacting, aerating in oxygen area continuously, enlarging opening of aerator air intake valve with higher ammonia nitrogen water charge load or lower ammonia nitrogen outfall concentration, decreasing opening of aerator air intake valve reversely, shutting or opening air intake vale with different grid chambers, opening or shutting stirrer in related reaction pool, and enlarging or decreasing opening of refluxing mud valve to adjust mud concentration in reactor. It achieves higher efficiency and less consumption.

A water treatment assembly includes a housing having a plurality of water treatment component interfaces. The water treatment assembly also includes a plurality of water treatment components selected from a group of a particulate filter component, a taste and odor filter component, a lead and mercury filter component, a water softener component, and a water disinfection component, wherein each of the water treatment components are coupled to a respective one of the water treatment component interfaces. Plumbing lines provide flow communication between the components, and the plumbing lines include a system water inlet and a system water outlet.

The invention relates to a method and a device capable of measuring water level and in-situ dissolved oxygen and collecting underground water at different depths. A dissolved oxygen meter probe is combined with a water collection pipe for performing in-situ observation on dissolved oxygen in underground water at different depths, and the content of dissolved oxygen in a water sample transferred from the water collection pipe into a sampling bottle is prevented from being changed. An opening/closing state of a water inlet cover of the water collection pipe is controlled according to the difference of rope descending speeds on parts of different diameters on a reel. A three-legged support is fixed on an observation well, a valve of a water outlet of the water collection pipe is closed, and the water inlet cover of the water collection pipe is covered. The reel is rotated, so that the water collection pipe descends, and when a pointer of a microammeter deflects, a catch bolt is screwed, and then the water level of underground water is obtained; a switch of a battery box is switched off, the catch bolt is loosened, the reel is continuously rotated until the water inlet of the water collection pipe reaches specified depth, the catch bolt is screwed, and the content of dissolved oxygen is recorded; the water inlet cover is opened through a pull rope, and the reel is rotated to take out the water collection pipe after the water collection pipe is full of water. The device has the characteristics of simple operation, high efficiency, energy conservation, high accuracy, low cost and the like. The voltage of a used battery and the range of the microammeter can be adjusted according to the contaminated situation of underground water.

The invention discloses a drainage device of a washing machine and the washing machine. The washing machine comprises an outer barrel, an inner barrel and an impeller, wherein cleaning particles for cleaning the walls of the barrels are arranged between the inner barrel and the outer barrel; an outfall is arranged at the bottom part of the outer barrel; the drainage device comprises a particle collecting and discharging chamber for containing the cleaning particles when dewatering and enabling the cleaning particles to float into the outer barrel to clean the wall of the barrel by buoyancy force when feeding water, and a drainage chamber; the particle collecting and discharging chamber is communicated with the outfall through an interconnection pipe; the particle collecting and discharging chamber has an inclined inner wall structure capable of enabling the cleaning particles to float along with raised water level so as to enter into the interconnection pipe along the inner wall and enter into the outer barrel via the outfall; an opening communicated with the outside is arranged at one side of the particle collecting and discharging chamber opposite to the drainage chamber; the opening is provided with a closable sealing cover; and the sealing cover is on the inner wall of the particle collecting and discharging chamber and is in an inclined structure of which the caliber gradually increases towards the internal direction of the particle collecting and discharging chamber. According to the invention, blocking caused by unfavorable flotation of the cleaning particles is avoided and the structure is simple.

The invention discloses a large-scale piping testing apparatus capable of simulating overburden pressure of soil, which comprises a test tank, a variable head water tank, a water inlet pipe, a plurality of osmometers, a water outlet pipe and a turbidity meter. The test tank is divided into an upstream buffer area, a test sample area and a downstream buffer area by an upstream porous board and a downstream porous board, wherein a test sample is disposed in the test sample area. The variable head water tank is connected with a water inlet of the upstream buffer area of the test tank through the water inlet pipe. The osmometers are disposed in the test sample as required. The water outlet pipe is disposed at a water outlet of the downstream buffer area, and the turbidity meter is disposed on the water outlet pipe. A steel backing plate capable of sliding up and down is disposed on the upper surface of the test sample. A safety air bag is arranged above the steel backing plate and connected with a pressure source through a pipeline, and a pressure regulating valve is disposed on the pipeline. The large-scale piping testing apparatus integrating the advantages of existing piping testing apparatuses is capable of truly simulating the process of piping development of a large-scale test sample bearing overburden pressure under the coupling action of seepage stress.

A water diverter comprising, in combination, a tub spout having an inlet port and an outlet port. The device further includes a cartridge for installation at the outlet port of the tub spout. The cartridge includes a first ceramic disc with orifices, and a second ceramic disc with orifices. The first and second ceramic discs are rotatable relative to each other. Particularly, the discs are movable between a first position in which their respective orifices are substantially aligned to permit flow of the water to the outlet port of the tub spout, and a second position in which their orifices are substantially non-aligned to prevent the flow of the water to the outlet port of the tub spout, and instead divert the flow of water to a showerhead.

The invention belongs to the technical field of coal mine goaf gas ground extraction, specifically relates to a drainage and gas production integrated goaf gas extraction well body structure and a construction method thereof, and solves the technical problems of simultaneously draining goaf accumulated water and extracting goaf gas. The drainage and gas production integrated goaf gas extraction well body structure comprises a well depth structure portion and an equipment portion, wherein the well depth structure portion comprises a first spud sleeving pipe disposed at the uppermost layer, the bottom of the first spud sleeving pipe is connected with a second spud sleeving pipe disposed at the aquifer depth position, the bottom of the second spud sleeving pipe is connected with a third spud screen pipe disposed at the goaf and fissure zone depth position, and the bottom of the third spud screen pipe is disposed at the well bottom position; and the equipment portion comprises an oil pipe disposed in the first spud sleeving pipe, the second spud sleeving pipe and the third spud screen pipe, the top of the oil pipe is provided with a water outlet, a lower portion of the oil pipe is provided with a drainage pump, the bottom of the oil pipe is provided with a water suction port, the top of the first spud sleeving pipe is a well head, an oil pipe suspending and sealing device is disposed at the well head position, and a gas extraction pump is communicated with the well head. Functions of draining goaf accumulated water and extracting goaf gas through one well can be fulfilled.

A water saving device for us in a hot water system to recover an initial volume of cold water when a hot water tap is turned on. The device has an inlet for receiving water piped from a water heater, a primary outlet for delivering hot water to a tap, and a by-pass outlet through which any cooled water is diverted by a thermally actuated shuttle valve. The device also includes a secondary valve for closing off the by-pass outlet when the water pressure downstream of the primary outlet is high (such as when the down stream hot water delivery tap is closed and opening the by pass outlet when the water pressure downstream of the primary outlet is low, such as when the downstream hot water delivery tap is opened.

A valve manifold box comprises a chamber and a front cover. Significantly, the chamber is manufactured by injection molding and is one-piece construction. Moreover, the chamber comprises a back board, a sidewall, at least an outfall, and multiple fittings and inside surface at the bottom sidewall has changes in an inclination angle for collecting the liquid within the chamber. By means of injection molding, one piece construction of the chamber is obtained such that it prevents chemicals from leaking outside. Besides, by using the design that the inside surface at the bottom sidewall has changes in an inclination angle, liquid can be easily collected and drained. Also, since it is unnecessary to frequently maintain the valve manifold box, maintenance costs are saved.

The invention relates to a shield muck zero-discharge treatment system and method. The system comprises a vibration screening machine, a spiral sand washing machine, a rough sand belt conveyor, a cyclone separator, a fine sand recycling machine, a fine sand belt conveyor, a clean water spraying device, a clean water conveying device, a flocculation purifying tank, an automatic chemical feeding device and a pressure filter. The lower portion of the vibration screening machine is provided with a hopper, a discharging opening of the hopper is connected with a first pipeline, a sand washing grooveof the spiral sand washing machine is formed below the first pipeline, an overflow pipeline connected with a sewage pond is arranged, a feeding opening of the rough sand belt conveyor is located below a discharging opening of the spiral sand washing machine, a feeding opening of the cyclone separator communicates with the sewage pond, the fine sand recycling machine is located below a bottom flowopening of the cyclone separator, a feeding opening of the fine sand belt conveyor is located below a discharging opening of the fine sand recycling machine, a water outlet of the clean water spraying device is arranged above the vibration screening machine, an water outlet of the clean water conveying device is arranged above the sand washing groove, the flocculation purification tank communicates with the cyclone separator, and the automatic chemical feeding device and the pressure filter communicate with the flocculation purification tank. Shield muck is subjected to site treatment, shieldmuck is separated into stone and sand to be recycled, and the sewage zero discharge is achieved.

The invention discloses a device and a method for groundwater defluorination . The device sequentially comprises a water inlet unit, a clarifying unit and a filtering unit from bottom to top, wherein the water inlet unit comprises a water inlet pipe, a coagulating agent dosing port, a powder hydroxyapatite dosing port and a water distribution device; all reagents and raw water are fully mixed in the water distribution device; a suspended sludge layer is arranged in the clarifying unit, and a sludge discharge port is arranged at the upper part of the suspended sludge area; and a filtering material is filled in the filtering unit. The raw material, a coagulating agent and powder hydroxyapatite are respectively dosed into the water distribution device of the water inlet unit via the water inlet pipe, the coagulating agent dosing port and the powder hydroxyapatite dosing port, mixed, then driven to go upwards, input into the clarifying unit, further conveyed to the filtering unit from a filter plate at the top after being clarified by the suspended sludge layer of the clarifying unit and discharged from a water outlet after being filtered by the filtering material of the filtering unit, and the residual sludge is discharged by the sludge discharge port. According to the device and the method disclosed by the invention, fluoride ions in groundwater can be economically, effectively and safely removed, the water quality needs not to be regulated again, the process is simple, and the water quality of outlet water is ensured.

The present invention provides an open/close valve which contributes the stabilization of the operation responsibility. A housing has a water-in port and a water-out port. Furthermore, a piston which is slidably mounted in the housing in an axial direction by means of an external operation of a shaft, and a pressure offset means for offsetting the pressure which the piston receives from water in the water-out port to the other side are provided. The piston is attached to a seat face of the housing by being slided on one side in an axial direction to close the communication between the water-in port and the water-out port, and the piston is detached to the seat face of the housing by being slided on the other side in an axial direction to open the communication between the water-in port and the water-out port. The pressure offset means comprises a pressure offset room which is formed at the other side of the piston, and a passage for communicating one side of the piston with the pressure offset room.

The invention discloses a spiral-flow type hydraulically controlled rainwater intercepting and abandoning switch well system which comprises a spiral-flow type sand sediment trap and a rainwater intercepting trunk canal, wherein a rainwater inlet pipe for collecting rainwater in the spiral-flow type sand sediment trap, a rainwater outlet pipe which discharges rainwater primarily treated by the spiral-flow type sand sediment trap and an overflow pipe of a rainwater abandoned flow entering into the spiral-flow type sand sediment trap are arranged on the side wall of the spiral-flow type sand sediment trap. The installation position of the overflow pipe is higher than the installation positions of the rainwater inlet and outlet pipes. The water outlet of the rainwater outlet pipe is communicated with the rainwater intercepting trunk canal, and a water level control adjustable valve for controlling open and close of the water outlet of the rainwater outlet pipe according to the water level in the rainwater intercepting trunk canal is arranged on the side wall of the rainwater intercepting trunk canal. The spiral-flow type sand sediment trap can settle sand in rainwater entering into the spiral-flow type sand sediment trap to remove sediment and particle organic matters out of rainwater so as to reduce the environmental pollution caused by the abandoned rainwater and probable sedimentation of the trunk canal, caused by particles in the intercepted rainwater.

The invention provides a polyacrylonitrile as-formed fiber rinsing bath. The rinsing bath is characterized in that a shell (13) of the rinsing bath is a U-shaped bath; a circulating pump (10) and a heat exchanger (11) are connected with the bottom of the shell (13); an outfall (8) and a water inlet (9) are arranged at the bottom of the shell (13); a temperature measurement hole (5) is arranged on the side of the shell (13); drawing rollers are installed on the shell (13) and comprise silk entering drawing rollers (1), intermediate drawing rollers (2) and silk exiting drawing rollers (3), which are in the same size; a water outlet (6) is arranged on the shell (13) and is on the same level with a rinsing bath liquid level (12); and the water outlet and the water inlet (9) are arranged at the two ends of the shell (13). The rinsing bath has the advantages of uniform water temperature distribution, simultaneous suitability for big and small tows, high rinsing efficiency and good effect.

The invention discloses a sanitation vehicle for immediately treating kitchen waste. The sanitation vehicle comprises a cab and a compartment, wherein the compartment is located at the rear of the cab; a collecting tank is arranged in the compartment; a liquid storage tank is arranged below the collecting tank; the collecting tank and the liquid storage tank are partitioned by a sieve plate; the sieve plate is provided with a hydraulic push plate device; the liquid storage tank is connected with a sewage cycling treatment device; the sewage cycling treatment device is provided with circulating water inlets, circulating water outlets and an outfall; the circulating water inlets are communicated with a water outlet of the liquid storage tank; the circulating water outlets are communicated with the collecting tank; and the outfall is communicated with a clear water tank. According to the sanitation vehicle disclosed by the invention, the current situation that kitchen waste only can be collected but cannot be treated by an original kitchen waste collecting vehicle is broken through; an immediate solid-liquid separation and oil-water separation integrated treatment process for the kitchen waste is realized; the after-treatment efficiency is also improved while harmless and immediate treatment of the kitchen waste is achieved; the storage loading capacity of the whole vehicle is greatly improved, and therefore, the sanitation vehicle does not need to frequently return to a waste centralized treatment plant.

The invention discloses an oil storage circulating cooling system of an oil-immersed transformer. The system comprises an oil tank, an oil pump, an oil storage tank, a water tank, a reservoir, a first heat dissipation pipe, a second heat dissipation pipe, a water inlet pipeline, a drain pipeline, a water spray pipeline, a water pump, a draught fan, a cooling frame, a temperature sensor and a controller, one end of the first heat dissipation pipe is connected with an oil outlet of the oil tank through the oil pump, the other end of the first heat dissipation pipe communicates with an oil inlet of the oil storage tank, one end of the second heat dissipation pipe is connected with the oil outlet of the oil storage tank, the other end of the second heat dissipation pipe communicates with the oil inlet of the oil tank, the oil storage tank is arranged in the water tank, a water inlet and a water spray opening are formed in one side face of the water tank, a water spray opening is formed in the other side face of the water tank, an outfall is formed in the bottom of the water tank, one end of the water inlet pipeline is connected with the water inlet, the other end of the water inlet pipeline communicates with the reservoir, one end of the drain pipeline communicates with the outfall through the water pump, and the other end of the drain pipeline communicates with the reservoir. The oil storage circulating cooling system disclosed by the invention has the advantages of simple structure, graded heat dissipation and improved heat dissipation effect of the cooling system.

The invention relates to the technical field of a clinical medical equipment, and particularly relates to a vacuum blood collecting tube capable of directly separating blood serum and a method for directly separating blood serum. The vacuum blood collecting tube comprises a blood collecting tube body, an inner tube, a rubber plug and a filter core. The vacuum blood collecting tube is characterized in that the inner tube of the blood collecting tube is arranged inside the blood collecting tube body; the rubber plug is arranged at the top part of the blood collecting tube body; the rubber plug is in structure similar to the shape of a plug shape; the upper center of the rubber plug structure is provided with a semicircle groove; left and right ends of the lower part of the rubber plug are embedded into the blood collecting tube body and connected with the inner tube of the blood collecting tube; a blood serum outfall is arranged at the bottom middle part of the inner tube of the blood collecting tube; a blood serum collecting room is arranged at the lower part of the blood serum outfall; a filter film is arranged at the upper part of the blood serum outfall on the inner tube of the blood collecting tube; the filter core is arranged at the upper part of the filter film, and a buffer plate is also arranged on the filter core, so as to form the blood collecting room in the inner tube of the blood collecting tube, and a layer of coagulation accelerator is arranged on the inner wall of the inner tube of the blood collecting tube. According to the invention, by utilizing the physical shape difference of a visible component of the blood and a blood serum component, the blood serum can be rapidly separated, and the method is simple, safe and fast.

The present invention relates to a system for automatically purging residual water from the whirlpool plumbing of a whirlpool bath. The system includes a bathtub, a primary water inlet in hydraulic communication with the bathtub, a primary water outlet in hydraulic communication with the bathtub, a plunger actuatable to engage the primary water outlet to prevent water flow through the primary water outlet, an auxiliary water outlet in hydraulic communication with the bathtub and positioned to define a maximum water level, a hydraulic pump having a water outlet port and a water inlet port, an air pump having an air inlet port and an air outlet port, at least one suction fitting formed in the bathtub, at least one hydraulic suction conduit extending between the at least one suction fitting to the water inlet port and connecting the at least one suction fitting in hydraulic communication to the water inlet port, at least one jet nozzle formed in the bathtub, a water manifold substantially positioned above the maximum water level, a water manifold conduit extending between the water outlet port and the water manifold and connecting the water outlet port to the water manifold in hydraulic communication therewith, at least one water delivery conduit extending between the water manifold and the at least one jet nozzle and connecting the water manifold to the at least one jet nozzle in hydraulic communication therewith, an air manifold positioned above the water manifold, an air pump delivery conduit extending between the air pump outlet and the air manifold and connecting the air pump outlet in pneumatic communication with the air manifold, and at least one air nozzle conduit extending between the air manifold and the at least one jet nozzle and connecting the air manifold in pneumatic communication to the at least one jet nozzle, at least one air suction conduit extending between the air manifold and the at least one suction fitting and connecting the air manifold in pneumatic communication to the at least one suction fitting. When the bathtub is filled with water the plunger is automatically disengaged for a predetermined length of time to flush the water manifold, the water manifold conduit, the at least one water delivery conduit and the at least one jet nozzle. Also, when the bathtub is substantially drained, the air pump may be actuated to introduce air into the at least one jet nozzle, the at least one suction fitting, the water manifold, the at least one water delivery conduit, and the at least one hydraulic suction conduit to purge residual water therefrom.

The invention relates to a bathtub, in particular to a bathtub with functions of heating, surfing and ozonation. A multifunctional microcomputer bathtub comprises a bathtub body, a heating water tank, a temperature sensor, a water level sensor, water pipes, a circulating pump, a water inlet, a water outlet, an outfall, a silicon nitride heater, an air wave generator, an air pipe, an ozone generator, an ozone pipeline, a power supply box and a control display panel, wherein the circulating pump and the heating water tank are connected with the water inlet and the water outlet through the water pipes. The multifunctional microcomputer bathtub has the functions of time setting, rapid and uniform heating, surfing bath, ozone bath and the like.

The invention discloses an odor-resistant floor drain. The odor-resistant floor drain comprises a floor drain main body (3), a central connecting pillar (18) and a lower sealing mechanism, wherein the central connecting pillar (18) is connected inside the floor drain main body (3), the upper end of the lower sealing mechanism is connected inside the central connecting pillar (18) in a sliding manner, and the lower end of the lower sealing mechanism and the lower end surface of the floor drain main body (3) form a lower valve port. The odor-resistant floor drain further comprises a flow guide base (6) with a flow guide structure on the upper end, and a swing blade sleeve (7) provided with at least one swing blade (8) on the upper end, wherein the flow guide base (6) is tightly matched in the floor drain main body (3), and sleeves the upper end of the swing blade sleeve (7), and the lower end of the swing blade sleeve (7) sleeves the central connecting pillar (18); and an outfall (9) forming an upper valve port (9) with the swing blades (8) of the swing blade sleeve (7) under the action of a locking mechanism is arranged on the flow guide base (6). After the structure is adopted, the floor drain has double valve blocking effects, and therefore, the odor-resisting effect is good.

The invention discloses an anti-clogging sewage treatment device, which comprises a tank body, a screen bucket is arranged in the middle and upper part of the inside of the tank body, and a rotating device is connected to the upper part of the screen bucket to drive the rotation of the screen bucket. A sewage pipe is arranged at the center of the bottom of the screen bucket, and a first filter net and a second filter net are arranged in sequence below the screen bucket, and both sides of the first filter net and the second filter net are provided with There are a first sewage outlet and a second sewage outlet, the sewage pipe passes through the first filter and the second filter, and a water spray mechanism is provided on one side of the screen bucket in the tank, so The water spraying mechanism is connected to the water tank through the water delivery main pipe outside the tank, the water delivery main pipe is provided with a water pump, the top of the screen bucket is open, the top of the screen bucket is provided with a water inlet pipe, and the tank body A water outlet pipe is arranged on one side of the bottom. The application can make the sludge and impurities be discharged smoothly, and prevent the clogging of the screen barrel, the first filter layer and the second filter layer.

The invention discloses a CDI (Capacitive Deionization) based compound type constructed wetland desalination system. The technical scheme of the invention is that a pretreatment system in the compounded type constructed wetland desalination system is connected with a compound vertical flow constructed wetland system by virtue of a pipeline. The pretreatment system is that: the water inlet and the water outlet of a grille (22) are communicated with the water inlet of a corresponding first pressure pump (23) and the water inlet of a CDI device (3) by virtue of pipelines, andthe water outlet of the CDI device (3) is communicated with the water inlet of a compound vertical flow constructed wetland and the water inlet of a salt drying plate (9) respectively through pipelines.A bottom impervious layer (18) of the compound vertical flow constructed wetland system is sequentially provided with a gravel layer (17), a biological ceramisite layer (13), a zeolite layer (12) and a soil layer (11) upwards, the constructedwetland is uniformly separated into 2n+1 vertical flow treatment tanks (7)along the left and right direction, and the tops and the bottoms of the vertical flow treatment tanksare communicated with one another in a staggered manner. The CDI based compound type constructed wetland desalination system disclosed by the invention is environmentallyfriendly, can effectively solve the problem of clogging and saturation of the soil layer of the wetland, and is good in nitrogen and phosphorus removal effect and desalination effect.

The invention discloses a water faucet which comprises a main body, an adjustment device sealed on one side of the main body, a handwheel connected with the adjustment device and a constant-temperature valve arranged on the other side of the main body, wherein a cold water inlet, a hot water outlet, an upper water outlet and a lower water outlet are formed in the main body; and the adjustment device comprises a water division valve core main body, a fixed valve sheet and a movable valve sheet. The water faucet is simple in structure; by rotation of the movable valve sheet, a water path of the water faucet can be controlled, namely water flow can be controlled to get out of the upper water outlet or the lower water outlet or be closed; the water flow is convenient to control, and mixed flow can be prevented; cold water and hot water are separated; the water faucet is relatively energy-saving and environment-friendly; and the hot water outlet is formed in one side close to the constant-temperature valve, so that temperature of the water faucet main body cannot be raised, and a phenomenon that a user is scalded is avoided.

The invention discloses a rainwater collecting and utilizing system and a rainwater collecting and utilizing method adopting the rainwater collecting and utilizing system. The rainwater collecting and utilizing system comprises a water storage pond arranged on a roof, a reaction pond, a settling pond and a filtering pond are also arranged on the roof, the reaction pond is provided with a water inlet, the water storage pond is provided with a water outlet, the reaction pond, the settling pond, the filtering pond and the water storage pond are sequentially communicated, a dosing device is arranged beside the reaction pond and comprises a tank body on which a stirring machine is installed, and the side surface of the tank body is connected with the reaction pond by a dosing pump. The rainwater collecting and utilizing system performs collection reaction, settling impurity removal, filtering impurity removal and storage on rainwater by using the reaction pond, the settling pond, the filtering pond and the water storage pond, and can effectively collect and utilize the rainwater so as to save water resources and reduce the running cost of transformer substations.

The invention relates to integrated waste gas treatment equipment. The integrated waste gas treatment equipment comprises a cooling device, a spraying purifying device and a gas purifying device, wherein the cooling device comprises a shell and a cooling spraying mechanism, the shell is provided with a cooling cavity, the cooling spraying mechanism is arranged in the cooling cavity, multiple clapboards are arranged from a cooling gas inlet to a cooling gas outlet in the cooling cavity so as to divide the cooling cavity into multiple cooling areas, and the clapboards are provided with through holes; the spraying purifying device comprises a tower body and a purifying spraying mechanism, the tower body is provided with an accommodation cavity, a purifying gas inlet, a purifying water outlet and a purifying gas outlet, the purifying gas inlet, the purifying water outlet, and the purifying gas outlet communicated with the accommodation cavity, the purifying spraying mechanism is arranged in the accommodation cavity, and the purifying gas inlet is communicated with the cooling gas outlet; the gas purifying device comprises a body which is provided with a purifying cavity, the body is provided with a wind inlet and a wind outlet, the wind inlet and the wind outlet are communicated with the purifying cavity, the wind inlet is communicated with the purifying gas outlet, and the purifying cavity comprises a plasma reaction cavity. The integrated waste gas treatment equipment is diversified in purifying function, waste gas causing odor pollution is degraded through multistage purification, the gas purifying velocity is obviously increased, and purification is conducted more thoroughly.

A combined pilot valve mechanism and a shower system are applied with the combined pilot valve mechanism. By switching to close the control hole, the first water diversion hole or the second water diversion hole to control the pressures of the pressure cavity, the valve spool is driven to move to alternately close the first outlet or the second outlet, so that the inlet waterway is switched to connect to the first outlet waterway, the first water diversion hole or the second water diversion hole. As the shower system is applied with a combined pilot valve mechanism, which utilizes the control hole to switch the waterways, thus preventing the main pipe from great water pressure. The diameter of the control hole can be smaller, so that the water pressure of the button mechanism can be ignored, only friction and light elastic force of the spring exist.

A modular water treatment system includes a plurality of water treatment components selected from a group of a particulate filter component, a taste and odor filter component, a lead and mercury filter component, a water softener component, and a water disinfection component. The water treatment system also includes a plurality of interfaces for coupling to the selected water treatment components, and plumbing lines providing flow communication between the selected components, the plumbing lines comprising a system water inlet and a system water outlet.

The invention discloses a roof rainwater collecting system, which comprises a roof, a rainwater collecting groove, a primary filtering device, a split-flow device, a reverse flushing filtering device and a rainwater collecting barrel, wherein the rainwater collecting groove is formed at the lower edge of the roof; the primary filtering device is arranged at the lower part of a water outlet opening of the rainwater collecting groove in a non-contact way, and can be used for intercepting sundries with large sizes to prevent a water passing pipeline from being blocked; an intercepting regulating rod of the split-flow device can intercept the rainwater from entering a regulating cavity so as to raise a floating ball valve; the early stage rainwater split-flow and the later stage pure water collection can be realized; the reverse flushing device is provided with a first filtering screen, a second filtering screen and a flushing device; the filtration on the collected rainwater can be realized; when pipeline accumulated water increase is caused by the blockage of the first filtering screen and the second filtering screen by filtering sundries, under the rainwater static pressure effect in the water passing pipeline, a piston is driven to move, a flushing outlet is opened; and the automatic flushing on the reverse flushing device can be realized. The roof rainwater collecting system has the dual filtering and early stage rainwater split-flow function; and the rainwater collection and utilization efficiency can be improved.