41 results about "Peak water" patented technology

The invention provides an automatic building control system and an automatic building control method, in particular an automatic control system and an automatic control method for a boiler. In a valley power consumption stage, the boiler stores water as much as possible, and can meet the hot water requirement in a peak water consumption stage so as to realize staggered power consumption; and in a peak power consumption stage, under the condition of meeting the hot water requirement, the boiler is not started as far as possible or the starting time of the boiler is delayed as far as possible so as to reduce power consumption of hot water production and energy consumption cost for maintaining the constant temperature of the hot water of the boiler. The invention also provides an automatic building control method capable of pre-starting fresh air and dehumidifying equipment. The automatic building control method has the function of automatically pre-starting the fresh air and dehumidifying equipment, and ensures the air quality and dry and comfortable sheets and beddings of a spare room to be sold. The invention also provides a method for prompting room management exception. The method for prompting the room management exception comprises steps of judging whether a room is occupied according to real-time monitoring, comparing the data with that in a room sales database, and automatically judging whether the room management is exceptional so as to avoid room occupation in an exceptional management way to realize automatic room management.

An irrigation management system reduces high peak water use values by utilizing a microprocessor disposed in an irrigation controller to (a) receive peak water use information from a source other than a water supplier (b) receive water use information at a consumer site, and (c) automatically derive a new irrigation schedule that is at least partly based on the information received. The new irrigation schedule preferably includes at least one of a modification in a default irrigation frequency or start time, a reduction in a default irrigation application duration, the use of a rolling-average in the determination of the new irrigation application duration and other changes or modifications to the default irrigation schedule that will provide for the reduction in high peak water use values. Additionally, the microprocessor will display to the water user and / or third parties details on the new irrigation schedule and information received from the water supplier.

The invention relates to a novel ecological wetland circulating water comprehensive cultivation system. The system includes a funnel-shaped fish pond, a sewage drainage well, a sewage collection tank,a sieve filter, an ecological wetland and a thermal insulation greenhouse. The funnel-shaped fish pond is formed in a soil matrix, a PE anti-permeation film is laid on the soil matrix of the slope ofthe fish pond, geotechnical cloth is laid on the portion, near the upper edge of fish pond, of the PE anti-permeation film, the conical bottom of the fish pond is provided with a fish-pond sewage discharge hole connected with the PE anti-permeation film hermetically, the fish-pond sewage discharge hole is communicated with the sewage drainage well through an underground sewage discharge pipe, twowater outlets, in the sewage drainage well, of the sewage discharge pipe are communicated with a sewage discharge valve and an overflow pipe respectively, the peak water levels of the sewage discharge valve and the overflow pipe are lower than the upper edge of the fish pond, the sewage drainage well is communicated with the sewage collection tank, the ecological wetland is communicated with thesieve filter, the other end of the ecological wetland is communicated with a sterilization pond and an oxygen aeration pond in sequence, the oxygen aeration pond is communicated with the fish pond through the circulating pump, and a hemispherical heat preservation greenhouse is built above the fish pond. The system has less land occupation and less investment, the water environment of the fish pond is excellent, there are fewer fish diseases, fish grows fast, and energy conservation, ecological protection and high efficiency are achieved.

The invention provides an energy-saving type non-negative-pressure water supply system for a tall building. A municipal water supply inlet pipe is connected with an inlet end of an auxiliary water supply pipe and an inlet end of a main water supply pipe through a tee pipe coupling; an outlet end of the auxiliary water supply pipe and an outlet end of the main water supply pipe are respectively connected with one tee pipe coupling, and an outlet end of the tee pipe coupling is connected with an inlet end of a water supply pipe for the tall building. The main water supply pipe is sequentially connected with a third stop valve, a main variable frequency pump, a third pressure gage and a tall building pressure-stabilizing tank in series. According to the energy-saving type non-negative-pressure water supply system, pressure-superposed adjustment can be carried out according to the water use amounts of different time periods, so that the secondary water supply at the peak water use periods of the tall building is guaranteed, and negative pressure can not be caused to a municipal water supply network; all water supply energies in the municipal water supply network can be utilized, so that the power consumption of a booster pump in a secondary water supply system is the minimum; a water-source water tank can not cause water quality pollution; the volume of the water-source water tank is reduced under the premise that the water use amounts of the water use periods of the tall building are guaranteed, and thus the construction cost of the secondary water supply system of the tall building is reduced.

A method for remotely adjusting and controlling operating parameters in a constant-pressure water supply system, using a single-chip microcomputer module, a data calculation unit, a data control unit, a data receiving unit, and a data dispatching unit as tools for remotely adjusting and controlling operating parameters in a constant-pressure water supply system; constant-pressure water supply The method for remotely controlling the operating parameters of the system application is divided into three steps. The present invention is based on the PLC control subsystem of the existing secondary water supply system, only a small number of components are added, the overall cost is low, and the use is convenient. The PLC controls the water pump to maintain a relatively low water volume and low water pressure to supply water to the user-side pipeline to achieve the purpose of energy saving; during the peak water consumption period, the PLC can increase the frequency of the inverter in real time without changing the original pressure setting threshold, and thus the water pump. The speed increases, the power increases, and the water pressure on the user side increases, thereby ensuring that high-rise residents can use water normally during peak water consumption periods.

The invention relates to a treatment system for preventing urban inland inundation, in particular to a system for fundamentally preventing the urban inland inundation. According to the system for fundamentally preventing the urban inland inundation, drainage shafts are connected with a sewer, particularly a plurality of underground water ditches are arranged among residential areas and are connected with the sewer, a gate is arranged at the connection position of each water ditch and the sewer, and a plurality of water inlet holes are formed in the underground water ditches. The underground water ditches are arranged, so that the sewer is further relieved when heavy rain comes in the city, and stored water in the water ditches is slowly drained into the sewer on sunny days. The system has the advantages of preventing the inland inundation and achieving the beneficial approaches of rain regulation emission and off-peak water drainage. Rivers and watercourses are regulated from the source, the road in the city is kept to be smooth and have no accumulated water through the off-peak water drainage method, safety of life of people in the city is ensured, convenience is brought for people to go out, city attractiveness is ensured, and the production and daily life of people are not affected by bad and extreme weather.

The invention discloses a river channel flood peak water level prediction method based on conditional probability distribution. By counting the upstream and downstream flood peak water levels and propagation time series, on the basis of determining the marginal probability distribution function, the Copula function is used to respectively construct the upstream flood peak water level and the downstream flood peak water level. , the two-dimensional joint probability distribution function of the propagation time, and then solve the conditional probability distribution function of the downstream flood peak water level and propagation time when the upstream flood peak water level is given, and then predict the downstream flood peak water level and its occurrence time. Based on the probability theory and mathematical statistics method, the present invention quantitatively provides the regression curve of the flood peak water level of the upstream section, the flood peak water level of the downstream section, and the flood propagation time. The arbitrariness brought about by freehand drawing is more objective and reasonable.

The invention discloses a direct water-intake water tank pressurized water supply equipment, the height of the water tank is higher than the water-using height of user end, the first pressure gage is installed on the water intake end of water pump unit, and the water outlet end of water pump unit is connected with the water intake mouth of water tank, the water outlet mouth on the water tank lower is connected with the user end, the water tank supply water to users leaning on gravity force, the liquid level transducer is installed in water tank, the liquid level transducer transmits the liquid level signals in water tank to control cabinet, the liquid levels are divided into water-supplementary liquid level and enough liquid level, and the water-supplementary liquid level is below the enough liquid level, the peak water-supply time and the non-peak water-supply time are set; the invention is suitable for high-rise building and supplies water for users in the gravity force water-supply mode, it uses full-automatic closed-loop control, it can operate automatically according the parameters of water tank liquid level, water-supply time and water intake pressure; the water pump unit does not start when the peak water-supply time or municipal pipe net pressure is over low, the system does not get water from the municipal pipe net, thereby the municipal pipe net pressure is protected, the equipment has low manufacturers cost, small holding space, stable and reliable water supply.

The invention relates to a liftable flood control embankment and a method thereof. The technical scheme is: a river protection embankment skeleton is provided inside the river protection embankment, a transitional connecting steel bar is provided in the concrete base, a rubber protective layer is provided on the upper side of the concrete base, and the cavity formed in the rubber protective layer is installed. The flood protection rubber is provided, and the lower end is connected with the top of the concrete foundation through fixed bolts; there is also a flood discharge device outside the embankment in the river protection embankment, and the embankment is equipped with a flood discharge gate lift chamber, and the top of the flood discharge gate lift chamber is connected to the flood discharge channel outside the embankment , the outside of the flood discharge channel outside the embankment is connected with multiple flood discharge inlets, and the bottom of the flood discharge gate's lifting cavity is connected with the river flood absorption channel. The beneficial effects are: the invention adopts the dike protective rubber to expand and expand when it encounters water to realize the rise, which does not require electricity, and can realize expansion only after encountering water, thereby ensuring that the flood peak water flow can pass through safely, Avoid flooding the embankment, and then there is a huge potential safety hazard of embankment failure.

The invention provides an energy-saving type non-negative-pressure water supply system for a tall building. A municipal water supply inlet pipe is connected with an inlet end of an auxiliary water supply pipe and an inlet end of a main water supply pipe through a tee pipe coupling; an outlet end of the auxiliary water supply pipe and an outlet end of the main water supply pipe are respectively connected with one tee pipe coupling, and an outlet end of the tee pipe coupling is connected with an inlet end of a water supply pipe for the tall building. The main water supply pipe is sequentially connected with a third stop valve, a main variable frequency pump, a third pressure gage and a tall building pressure-stabilizing tank in series. According to the energy-saving type non-negative-pressure water supply system, pressure-superposed adjustment can be carried out according to the water use amounts of different time periods, so that the secondary water supply at the peak water use periods of the tall building is guaranteed, and negative pressure can not be caused to a municipal water supply network; all water supply energies in the municipal water supply network can be utilized, so that the power consumption of a booster pump in a secondary water supply system is the minimum; a water-source water tank can not cause water quality pollution; the volume of the water-source water tank is reduced under the premise that the water use amounts of the water use periods of the tall building are guaranteed, and thus the construction cost of the secondary water supply system of the tall building is reduced.

The invention discloses an urban water supply system leakage monitoring method based on dynamic district metering area (DMA) partitioning. The urban water supply system leakage monitoring method comprises the following steps: a water supply network hydraulic model is established, and flow and pressure parameters of the model are corrected; traditional static DMA partitioning is determined, M connecting pipelines are arranged between DMAs, flowmeters are mounted on two of the pipelines, and remote control valves are mounted on the remaining connecting pipelines; DMA dynamic partitioning is achieved by dispatching the remote control valves; leakage alarm threshold values of the dynamic DMAs are determined; and the night flow of the dynamic DMAs is analyzed, specifically, the night flow of the dynamic DMAs is composed of legal water consumption and leakage ullage, the inlet flow and the outlet flow of the dynamic DMAs are analyzed, and if the night flow of one certain dynamic DMA exceedsthe corresponding leakage alarm threshold value at the night low-peak water utilization period, it is explained that leakage exists in the dynamic DMA. According to the method, water utilization tailends in a water supply system are reduced, and the water supply quality is improved; and the higher water supply pressure can be provided during the water supply peak so as to guarantee the peak water-supply quantity safety.

The invention provides a plugging agent for adjusting the water absorption profile of the immovable pipe string of the water injection well and a process for adjusting the water absorption profile. The process includes: injecting a certain amount of the plugging agent for adjusting the water absorption profile of the immobile pipe string of the water injection well , to temporarily or permanently block some or all of the high-permeability dominant channels; after the high-permeability dominant channels are blocked, chelate acid is injected online into the water injection well to realize the acidification transformation of the low-permeability or formation pollution section . The process for adjusting the water absorption profile of the fixed pipe string of the water injection well provided by the present invention can solve the problem of peak water absorption or uneven water absorption in the water injection well section with dominant channels, and then realize the purpose of uniform water absorption in different sections in the layer.

The invention provides a digital integrated frequency conversion complete set of secondary water supply equipment, which relates to the technical field of secondary water supply, and includes a water storage tank mechanism of an air conditioner host, a water inlet mechanism, a frequency conversion water supply mechanism, a stabilized gas tank mechanism, a water storage tank outrigger, an anti-skid pad, The voltage-stabilizing valve and the municipal water supply pipe have the beneficial effect that, by being provided with a frequency-converting water supply mechanism, during the peak water consumption period, the control valve and the one-way valve close to the side of the pressure-stabilizing gas tank mechanism are opened, and the valve close to the voltage-stabilizing valve is closed. One-way valve, and all three water pumps are turned on, so that the secondary water supply equipment can supply water to the greatest extent, and ensure the stability of the user's water use. When using water at night, close the control valve and the one-way valve on the side of the pressure-stabilizing gas tank mechanism. , open the one-way valve close to the pressure-stabilizing valve, and only open one water pump, while satisfying the user's water stability, reducing the working energy consumption of the water supply equipment, reducing the cost of the water supply equipment, and improving the economic performance of the water supply equipment.