61results about How to "Save tap water" patented technology

The invention relates to a residence community domestic sewage treating system. The system comprises a black water collection system, an anaerobic acidification reaction tank, an anaerobic gasification reaction tank and an aerobic contact oxidation tank, the black water collection system is communicated with the lower portion of the anaerobic acidification reaction tank through a black water inlet pipe, an outlet of the anaerobic acidification reaction tank is communicated with an inlet of the anaerobic gasification reaction tank, an outlet of the anaerobic gasification reaction tank is communicated with an inlet of the aerobic contact oxidation tank, a brown water collection system is communicated at a position of the inlet of the aerobic contact oxidation tank, the outlet of the aerobiccontact oxidation tank is communicated with an aerobic filter tower, a grey water collection system is arranged at a position of an inlet of the aerobic filter tower, a methane collection tank is communicated with the top of the anaerobic acidification reaction tank and the anaerobic gasification reaction tank, the methane collection tank is connected with a gas-fired boiler, the gas-fired boileris connected into the anaerobic gasification reaction tank through a pipeline, and the inlet of the anaerobic gasification reaction tank is connected with an alkaline liquor adding system through thepipeline. The residence community domestic sewage treating system and a method have the advantages that the system is simple, the sewage treatment effect is good, the construction costs are low, and the land occupation is small.

The invention relates to the technical field of sponge city construction, and provides a rainwater collecting and processing system. The system comprises a water diversion system, a rainwater seepage unit, a rainwater storage unit, a rainwater processing unit and a rainwater recovering unit; the water diversion system comprises a rainwater collecting groove, a water diversion pipeline, a water diversion pond and a water conveying pipeline, the rainwater collecting groove is connected with the water diversion pond through the water diversion pipeline, and the water diversion pond is communicated with the rainwater seepage unit through the water conveying pipeline; the rainwater seepage unit is arranged in a city green land and used for conveying collected rainwater into the underground rainwater storage unit; the rainwater processing unit filters the rainwater many times, and the sterilized rainwater is conveyed to the place needing water through the rainwater recovering unit. The sponge city rainwater collecting and processing system uses the rainwater for irrigation, toilet flushing, vehicle flushing and landscape water supplementing, saves tap water, reduces water treatment cost and effectively relieves the problem of water resources shortage.

A method and system for recovering and treating electroplating water has electroplating water zero discharge and saves water resources. Pre-treated electroplating water is induced into treatment recovering system with multi-normal water treating devices for secondary treatment.

The invention discloses a roof rainwater recycling system which comprises a rainwater collecting unit, a processing unit and a water use terminal. The collecting unit comprises hydrocone type rainwater hoppers, connection pipes, a suspension pipe, a vertical pipe and a discharge pipe, wherein the hydrocone type rainwater hoppers are arranged on a roof at intervals, the connection pipes are vertically arranged and connected with all the rainwater hoppers, the suspension pipe is horizontally arranged and communicated with the lower end of each connection pipe, the vertical pipe is vertically arranged and communicated with the outer end of the suspension pipe, and the discharge pipe is arranged on the ground in an inclined mode and communicated with the lowered end of the suspension pipe; the discharge pipe leads water into a rainwater inspection well. The processing unit comprises a water storage and sediment pool, a purification and treatment pool and a recycling pool which are adjacent to one another; the water use terminal is connected with the recycling pool through a water use pipe. The roof rainwater recycling system is capable of saving energy and reducing emission, green and environmentally friendly and capable of reducing rainwater emission, and water is available in emergency situations; the roof rainwater recycling system can be further used for non-drinking water in daily life, tap water is saved, the water treatment cost is reduced, and it is beneficial to promote development of a sponge city.

The invention discloses a desulfurizing denitration defluorination dust particle removing device for flue gas in a coal-fired boiler, which comprises a lime water adding device, an automatic control system for catalyst, an automatic filter press and a tank body; the upper part of the tank body is spaced into three reaction chambers and a demisting chamber by a demarcation strip; on the tank body, a flue inlet and a flue outlet are arranged on the tank body; a channel is arranged between the reaction chamber and the demisting chamber; the lower part of the tank body is provided with a reaction fluid storing chamber and a demisting and defluiding chamber; a cycling pump is arranged outside the tank body, and is respectively communicated with nozzles arranged at the top of the reaction chamber by a fluid conveying tube; sewage draining exits are arranged at the lower ends of the reaction liquid storing chamber and the demisting and defluiding chamber; a cycling pool is arranged below the sewage draining exits; a cycling pump is arranged outside the cycling pool and is communicated with the reaction liquid storing chamber and demisting chamber; an oxidation pool is arranged below the cycling pool and is communicated with the filter press; the cycling pump is arranged outside the demisting and defluiding chamber and is communicated with the nozzles arranged above the demisting chamber. The desulfurizing denitration defluorination dust particle removing device can simultaneously desorb four pollutants in flue gas-fume, SO2, NOx and fluoride, and solves the problem that the function is single in the prior art.

The present invention provides a double-tank type flush toilet. It is characterized by that it includes toilet self-body and water tank positioned over the toilet self-body. The described water tank is divided into a running water tank and a waste water tank by means of partition board, the described running water tank is communicated with external running water pipe and the described waste water tank is connected with external secondary water inlet pipe, in the described running water tank and waste water tank two respectively mutually independent water-discharging devices are set, so that said flush toilet can utilize waste water produced by washing hands, washing face, washing vegetables and washing clothes.

This is a toilet using waste water which is led into water box and wash out by manpower pressure.

The invention relates to a rainwater irrigation connecting device for a greenbelt under a building. The device is connected with a rainwater down pipe of the building and can effectively solve the problem in the effective rainwater irrigation of the greenbelt under the building. The rainwater irrigation connecting device is structurally characterized in that a water inlet pipe is communicated with a water outlet pipe, a water drain pipe which is communicated with the water inlet pipe is installed on the water inlet pipe below the water outlet pipe, a bottom cover is installed at the bottom ofthe water inlet pipe corresponding to a water inlet, a bolt which is arranged in the water inlet pipe is installed in the center hole of the bottom cover, a nut is installed on the bolt which stretches out of the external part of the bottom cover, a spring is installed on the bolt in the water inlet pipe, the lower part of the spring is arranged on the bottom cover, the upper end of the spring isfixed with the upper end of the bolt, a piston which is arranged in the water inlet pipe is fixedly installed at the top of the spring, the bottom cover, the piston, the spring, the bolt and the nut form the rainwater drainage adjuster, the upper end of the water inlet pipe is the water inlet and a filter screen is installed at the mouth part of the water outlet pipe which is communicated with the water inlet pipe. The rainwater irrigation connecting device for the greenbelt under the building has the advantages that the structure is simple, the device is convenient to install and use, the urban tap water is saved and the economic and social benefits are remarkable.

The invention discloses a water power based recycling device for shower wastewater and heat energy. The water power based recycling device is a full-automatic comprehensive recycling device for the shower wastewater, which can save the running water and the energy required by heating water, can reduce the quantity of wastewater effluent and can utilize the water power. The hydraulic energy for discharging shower water is utilized as the energy source for collecting the shower wastewater; the shower wastewater after being filtered is pressurized; the shower wastewater enters a heat exchanger through a pipeline; the heat exchanger is utilized to exchange the heat of the collected shower wastewater at higher temperature with the heat of the low-temperature entering water of a shower system, so as to increase the initial temperature of the low-temperature entering water of the shower system; the cooled shower wastewater flows into a recycled wastewater storage device and is used as a water source for flushing a closestool; the shower wastewater is reused, the running water is saved, the sewage discharge and the energy consumption are reduced, and the purpose of saving the energy source and the running water is achieved; the water power based recycling device is safe and reliable and is convenient to realize; and the water power based recycling device has better economic benefit.

A water-saving flush water supply device for toilets is provided, which mainly comprises a water storage tank (1), a water drainage device (7) positioned at the site of a drainage port inside the water storage tank, a tap water inlet controller (12) arranged at the bottom of the water storage tank (1) and having a floating-ball valve structure, a flushing water control button (8) arranged on the top or the side wall of the water storage tank (1), and an overflow pipe (4) communicated with the drainage port. The device is characterized in that the water storage tank (1) is divided by a water tank partition (5) to an upper water portion (6) and a lower water portion (9), the water tank partition (5) being movably engaged with the water storage tank (1); the tap water inlet controller (12) is arranged inside the lower water portion (9); an air inlet pipe (3) is arranged on the water tank partition (5) in a way that the upper end thereof is positioned above the overflow pipe (4) and the lower end thereof is positioned inside the lower water portion (9). The invention has the advantages of large storage of waste water from bathing room, reduced consumption of tap water, multiple toilet-flushing effect, and good water-saving effect.

The invention provides a semi support water storage green land structure for urban flood control and flood utilization. The structure comprises a rainwater infiltration structure, an underground water storage body water conveying and cleaning structure and a water taking and using structure; the rainwater infiltration structure comprises a road surface drainage ditch, green land backfilling soil and a first water permeable hose; the first water permeable hose is transversely arranged in the green land backfilling soil and is communicated with the road surface drainage ditch; the underground water storage body water conveying and cleaning structure comprises a geotextile, a common water permeable material, a second water permeable hose and rigid supports at two sides; the geotextile is paved below the first water permeable hose; the common water permeable material and the transverse second water permeable hose are arranged below the geotextile in sequence; the water taking and using structure comprises a water taking port, an inspection examination well and a third water permeable hose which are downwards arranged from the earth surface in sequence; the third water permeable hose and the second water permeable hose are communicated. The structure of an underground water storage body can be effectively improved, the construction cost and difficulty are reduced, the peak value of urban flood can be weakened and the flood resource can be stored.

The invention discloses an urban rainwater collecting, purifying and storage-regulating ecological utilization system. The urban rainwater collecting, purifying and storage-regulating ecological utilization system comprises a rainwater collecting part, a plant filter band, a filter part, a rainwater collecting pond and a rain water storage pond. The rainwater collecting part is connected to the filter part, the plant filter band is located on the upper part of the filter part, the filter part communicates to the rainwater collecting pond, the rainwater collecting pond is connected to the rainwater storage pond, the filter part comprises a grid bracket, ores and a filter layer, the ores are divided into multiple layers, the ores are paved in the grid bracket, and the ores are one or more ores, and the filter layer is located on the side face of the grid bracket and communicates to the rainwater collecting pond. In this way, the urban rainwater collecting, purifying and storage-regulating ecological utilization system has the benefits of storing rainwater, supplementing irrigation water for urban afforestation effectively, and promoting ecological balance of the urban environment.

The invention is a multifunctional water-saving closet, comprising main body, spacer, cover, blow-down pipe, water tank, and water supply inlet pipe connected with the water tank, and characterized in that a valve is arranged in the blow-down pipe, a flush water switch is arranged on a pipeline from the water tank to a flushing outlet, the water supply inlet pipe is provided with a valve, the water tank is also provided with usable water inlet which is connected through pipeline with the usable water outlet of a washstand, the washstand is provided with unusable water drain outlet at the bottom, and the unusable water drain outlet is equipped with pipeline, and the main body is half as high as the main body of the existing closet and is provided with peculiar smell exhaust pipe, and the bottom of the water tank is also provided with water a drain valve. And it has advantages of saving water and energy, sanitariness, and use convenience for the old and weak.

The present invention relates to a water-saving new device for stored building. It is characterized by that it can collect rainwater and domestic waste water, and make them be used for cleaning family hygiene so as to make water resource obtain full reasonable utilization.

The invention discloses an efficient residential building reclaimed water circulation system which comprises a reclaimed water collection pipeline, a reclaimed water treatment system, a circulating water storage tank, a sewage collection pipeline and a community domestic sewage treatment system. By changing the community pipeline system, high-quality domestic sewage of a single building is concentrated for reclaimed water treatment, and the treated regenerated water is used for flushing a pedestal pan, so that the aims of saving tap water and reducing the pressure of a municipal reclaimed water treatment system are fulfilled; the surplus domestic water for secondary circulation can be used for greening irrigation, fire-fighting water and the like, the discharge amount of domestic sewage isreduced, and the community domestic sewage treatment system and the pressure of municipal sewage holding capacity are reduced; besides, a rainwater drainage system does not need to be connected, rainwater and sewage diversion is achieved, the water inlet and drainage pressure of the reclaimed water treatment system and the domestic sewage treatment system is reduced, the construction cost and theoccupied area are reduced, and during construction, only the building water consumption condition needs to be considered to design the sewage containing capacity of the building reclaimed water treatment system and the community domestic sewage treatment system.