96results about How to "Guaranteed water flow" patented technology

The present invention discloses one kind of column type membrane assembly and its production process, and aims at providing one kind of column type membrane assembly with long service life and high output water quality. The membrane assembly is provided with water inlet, water outlet, spare port and concentrated liquid exit, and has fibers between the water inlet resin fixing layer and the water outlet resin fixing layer, water orifices inside resin fixing layers, filler inside the water inlet resin fixing layer and flexible resin protecting layer inside the water inlet resin fixing layer and the water outlet resin fixing layer. The membrane assembly has high output water quality and long service life.

The invention discloses a constant temperature flow control method for a heat pump water heater and a double-system unit using the same, relates to a fluid heater utilizing a heat pump and a control method thereof, and particularly relates to a constant temperature flow control method for the heat pump water heater and a double-system primary heating type heat pump water heater unit using the method. The double-system primary heating type hot pump water heater unit comprises a heat pump system A, a heat pump system B, a water supply heating system C and a constant temperature flow control device, wherein PID regulation on water flow is performed according to outlet water temperature; an outlet water temperature set value is set as a target value, and the opening of a constant temperature flow valve is controlled according to a checking value of the outlet water temperature so as to adjust the water flow; when the temperature of a water box is low, a constant temperature water pump and a compressor are started, and the unit operates at constant temperature; when inlet water temperature is too high, a bypass-valve is opened; and one system in a double-system generates a fault and stops operation, the outlet water set temperature is down-adjusted, the water flow of a heat pump unit is guaranteed, and the condensation effect and heating capacity and energy efficiency of the unit are improved, so that the other system without the fault is safely and stably operated in an efficient manner.

Relating to the field of water environment ecological restoration, the invention provides a high efficiency combined restoration technology for urban and rural river polluted river water bodies. The invention comprehensively utilizes a solar energy micropore aeration technology, an ecological base, a microorganism-enzyme composite reinforcement restoration technology, an ecological floating island, aquatic animal throwing and other methods to reduce nitrogen, phosphorus and other organic matters and pollutants in water bodies, thus purifying river water bodies, optimizing the aquatic ecosystem, and simultaneously achieving a landscape optimizing effect.

The invention relates to a pipe, in particular to a pipe repairing device. The pipe repairing device comprises a movable main frame, a first control display screen, a second control display screen, asupplementary cutting mechanism, a temporary water introducing mechanism, a left fixed grinding mechanism, a right fixed grinding mechanism, a first hot melting mechanism and a second hot melting mechanism. The first control display screen is arranged on the left portion in the top end of the movable main frame. The pipe repairing device achieves the effects that when a broken water pipe is repaired, normal water introduction of the two ends of the water pipe is guaranteed; when the water pipe is repaired, water pipes at the left end and the right end do not need to be moved, a small broken crack can be repaired, and the broken water pipe can also be repaired; the water breaking time of a user can be greatly shortened, then economic losses are reduced, and waste of water resources is avoided during water introduction.

The invention relates to an instant-heating water purifier and a water channel control system thereof. The water channel control system comprises a water supply pipeline connecting a raw water sourceand a water outlet of a water purifier, a purification mechanism and a heating mechanism successively distributed on the water supply pipeline along a water supply direction, wherein the water supplypipeline is connected with a preheating flow path and an emptying flow path; two ends of the preheating flow path are arranged between the purification mechanism and the heating mechanism, a first control valve is arranged between two ends of the preheating flow path on the water supply pipeline, and the preheating flow path is provided with second control valves and preheating tanks with built-inpreheating units; and an inlet end of the emptying flow path is arranged between the heating mechanism and a water outlet of the water purifier. By adopting the instant-heating water purifier water channel control system, the use of cold water, warm water and hot water can be integrated in the same water outlet of the water purifier, so that the application convenience is effectively improved, and the user experience is improved; and by configuring the preheating flow path and the emptying flow path, the hot water outlet response speed of the water purifier can be effectively increased.

The invention discloses a diversion drainage structure for a tunnel inside in a water conservancy and hydropower project and a construction method for building the diversion drainage structure, and belongs to the technical field of design and construction of buildings in the water conservancy and hydropower project. The invention provides the diversion drainage structure for the tunnel inside in the water conservancy and hydropower project and the construction of the building construction method. The diversion drainage structure for the tunnel inside in the water conservancy and hydropower project is short in construction period, low in construction investment cost and capable of meeting the requirement of upward moving of an opening of a diversion drainage tunnel. The construction method includes that a section of a drainage tunnel is constructed on the upstream side of a drainage tunnel body in a river flow direction, a construction maintenance diversion tunnel which communicates the drainage tunnel and the drainage tunnel body is constructed before the drainage tunnel and the drainage tunnel body are communicated, the requirement for temporary diversion drainage of an upstream river channel is met, then the connection position of the drainage tunnel and the drainage tunnel body is completely broken through, a waste upper section of the drainage tunnel body is blocked, finally, simultaneous drainage of the drainage tunnel and the downstream section of the drainage tunnel body as well as the drainage tunnel, the construction maintenance diversion tunnel and the downstream section of the drainage tunnel body is realized.

The present invention relates to a pipe type sullage micro-filtration processing device, comprising a reaction groove, a concentration groove equipped next to the said reaction groove, a circulating power pump, a micro-filtration membrane pipe adopting cross-flow filtration and a cleaning buffer column, wherein micro-filtration membrane cross-flow filtration technology and pipe connection technology coordinating with cleaning buffer column and air intake valve group are adopted in order to implement automatic backwashing function through joint operation; the invention adopts reaction groove and concentration groove for sullage pretreatment through overflow mode cooperation, so as to guarantee water yielding effect and water yielding flux of system.

The invention discloses a structure integrating reservoir pre-discharging and ecological flow discharging. The structure comprises a flow guide hole, a communicating pipe and a vertical shaft which is vertically arranged. The reservoir communicates with the flow guide hole through the vertical shaft. The communicating pipe is attached to the inner wall of the vertical shaft and extends to an outlet of the flow guide hole. The elevation of an inlet of the communicating pipe is lower than a normal water storage level of the reservoir and is higher than a dead water level of the reservoir. A stilling pool is arranged at an outlet of the communicating pipe. A blocking body is arranged at the outer portion of the part, in the flow guide hole, of the communicating pipe. A first valve controlling the communicating pipe to be opened and closed is arranged at the tail end of the blocking body. A second valve used for adjusting the flow of the communicating pipe is arranged at the tail end of the communicating pipe. By means of the structure integrating reservoir pre-discharging and ecological flow discharging, floods needing pre-discharging in the reservoir or ecological flow are discharged to the downstream part in time and in order. Compared with a common pre-discharging facility bottom hole discharging hole, the structure integrating reservoir pre-discharging and ecological flow discharging is simple in construction structure, economical in construction cost and convenient to maintain, good technical economy popularization value is achieved on a project which is small in rain collecting area and needs to be provided with a pre-discharging facility, and the structure is suitable for the reservoir high in reservoir slit elevation.

The invention relates to an ordinary heat exchanger with tubular passages and discloses a cathode protection method for a heat exchanger subassembly. The cathode protection method is characterized in that an anode material with the activity superior to that of a pipe body is connected with the inner wall of a water pipe in the heat exchanger subassembly, and when the water pipe of the heat exchanger is corroded, the anode material automatically releases electrons to the corroded part so as to protect the water pipe of the heat exchanger. The invention further provides the heat exchanger subassembly based on the cathode protection method. The heat exchanger subassembly comprises a heat exchanger shell and a heat exchanging pipe. The heat exchanger subassembly is characterized in that a cathode protection device is connected to the inner wall of the heat exchanging pipe; and the heat exchanger subassembly is a main heat exchanger or a condensing heat exchanger. Compared with the prior art, the cathode protection method for the heat exchanger subassembly and the heat exchanger subassembly have the advantage that phenomena of perforation and water leakage of the heat exchanging pipe are solved by carrying out electrochemical corrosion protection from the inner part of the heat exchanging pipe.

The invention relates to a blast furnace cooling wall water pipe repairing method, and belongs to the technical field of cooling wall repairing. The method comprises the following steps that a, pipe penetrating water returning bags are additionally arranged; b, a damaged water pipe is confirmed; c, a hard pipe is arranged; d, the damaged water pipe is subjected to pipe penetrating; e, a miniaturecooler is arranged; f, a softened water pump is arranged; and g, step-by-step water transferring is carried out. According to the method, the resistance loss of softened water flowing in the water pipe is reduced, the necessary water flow is ensured, and the cooling strength of pipe penetrating is improved; the blast furnace blowing-down time is shortened; the damaged cooling water pipe can be quickly confirmed, and the accuracy is 100%; the resistance loss of a hose is favorably reduced, and the subsequent trepanning operation of the hard pipe is facilitated; by arranging the miniature cooler, the cooling function of the damaged water pipe which cannot be subjected to pipe penetrating is repaired; and after blast furnace reblowing, the softened water pump is additionally started, and a step-by-step water quantity adjusting scheme is adopted, so that the cooling strength of the cooling water pipe is ensured.

The invention belongs to the technical field of riverway residue removing, and particularly relates to residue removing equipment for a riverway. The residue removing equipment for the riverway comprises collecting shells, a filtering layer, a partition layer, a mounting shell, a drainage layer, scraper blades, adjusting modules and an anti-blocking structure. According to the equipment, garbage or branches on the riverway is automatically collected in the specified collecting shells through the reciprocating sliding scraper blades, and then manual unified treating is carried out; and the clearing efficiency is improved; the drainage layer is designed, it is guaranteed that the water level can be higher than the bottom surface of the drainage layer, and the situation that water enters themounting shell to corrode related transmission structures in the mounting shell is avoided; through the anti-blocking structure designed by the residue removing equipment, residues and the branches blocked on a filter screen can be pushed when the scraper blades scrape towards two sides, so that the residues and the branches blocked at filter holes in the filter screen are easily separated from the filter screen under the action of the scraper blades; and when the scraper blades does not scrape, the anti-blocking structure retracts, and the water flow is guaranteed.

The invention discloses a carbon rod filter element. A package structure of the filter element is changed to change the water flow path, and water flow can be filtered twice or multiple times, so that efficient filtering is achieved; the carbon rod filter element is a sintering activated carbon rod or an efficient residual-chlorine-removal activated carbon rod or an antibacterial and bacterium-resistant activated carbon rod or an anti-scaling carbon film or a weak-base type activated carbon rod or a heavy-metal-removal type activated carbon rod; the modes that a sealing rod is packaged in the center of the filter element, the inner wall of the filter element is not completely sealed, and the outer wall of the filter element is not completely sealed are utilized to change the water flow path. According to the carbon rod filter element, the filtering effect of the filter core can be effectively enhanced, consumption of the filter core is reduced, a filtering device is integrated, and cost can be lowered.

The invention discloses a water inlet device of a pressure-superposed water supply pump station. A main water inlet pipe is arranged behind a water supply network, and a water manometer for measuring input water pressure or a thermometer is mounted on the main water inlet pipe. A normally-open pipe and a bypass pipe which are connected in parallel are arranged behind the main water inlet pipe. The caliper of the bypass pipe is 1/2-1 time that of the normally-open pipe. An electromagnetic valve for controlling the normally-open pipe to be opened or closed is arranged on the normally-open pipe. A flow control valve for controlling the water flow of the bypass pipe is mounted on the bypass pipe. In addition, a control unit and a flow stabilizing compensator are arranged, the normally-open pipe and the bypass pipe are provided with outlets respectively, and the outlets are communicated with a user water pipe after being communicated with the flow stabilizing compensator. The water manometer is connected with the control unit through a signal line, and the control unit is connected with the electromagnetic valve, the flow control valve and a starting component of the flow stabilizing compensator through control lines. The flow and network pressure can be reasonably controlled under the condition of small and large pipe network pressure and too low temperature.

The invention provides a magnetization treatment technique for agriculture and forestry production and soil ecological remediation. Irrigation water flows through a magnetization water treater with a special structure and magnetic field strength so as to irrigate crops, fruit trees, frost, flowers and vegetables, then the growth is remarkably promoted, and the yield and the quality are improved; the utilization rates of soil nutrient components are remarkably increased, the use amount of fertilizers is reduced, and the economic benefits of planting industry are improved; the soil degradation caused by use of excessive pesticides and chemical fertilizers is effectively remedied, and the desalting process of salinity soil is accelerated; salt-tolerant plants can be irrigated by using hypersalinity underground water, the land utilization rate and the productivity of an area short of fresh water resource are improved, and the ecological remediation progress in a salination area is accelerated.

The pipe network heat storage system comprises a heat supply pipe network, the heat supply pipe network comprises a heat supply network initial station, a heating station, a circulating water pump, a primary network water return pipe and a primary network water supply pipe, and a heat supply network water bypass is installed between the primary network water supply pipe and the primary network water return pipe; an adjusting assembly is arranged on the heat supply network water bypass and used for adjusting the flow and pressure of heat supply network water flowing through the heat supply network water bypass, and the heat storage and heat release functions are achieved through an existing heat supply network. For a cogeneration heat supply system, the heat storage capacity of an existing huge heat supply pipe network is fully utilized to increase the peak regulation capacity of a cogeneration unit, and the huge investment cost of a newly-built energy storage device is saved.

The invention relates to a target cooling back plate and a preparation method thereof. A base of the target cooling back plate adopts an integrated design of flange connecting pieces of a water inletand a water outlet as one part of the base, and correspondingly, an inclined water way is formed between a cooling water way in the base and the water inlet/ outlet, so that the leakage problem in thewater inlet/outlet is effectively prevented. The preparation method comprises the following steps that: the thickness of a cover plate of the target cooling back plate is increased to 4.5-5mm; the sand blasting treatment is performed on the inner surface of the cooling water way of the base; the cover plate and the base are welded by vacuum brazing to obtain a target cooling back plate crude product; and then, the machining is performed by dint of support and fixation of bosses with the same heights to obtain the target cooling back plate, so that the excellent welding condition can be guaranteed, the machining is convenient, and the repeated utilization rate of the target cooling back plate can be effectively increased.

The invention relates to the technical field of cleaning machines, and discloses an ultrasonic cleaning machine. The ultrasonic cleaning machine comprises a rack, wherein a first ultrasonic cleaning tank, a second ultrasonic cleaning tank, a pure water cleaning tank and a hot air drying tank are sequentially arranged at the upper end of the rack, and an overflow opening is formed in the surface of the pure water cleaning tank; heating plates are arranged at the lower end of the first ultrasonic cleaning tank and the lower end of the second ultrasonic cleaning tank, a transducer is arranged on the inner side of the rack, a water supply system and a drainage system are arranged at the lower end of the transducer, a filter is arranged on the inner side of the water supply system, and a circulating pump and a circulating filtering system are arranged on the inner side of the drainage system; and a hot air drying system is arranged on the inner side, close to the lower end of the hot air drying tank, of the rack. The ultrasonic cleaning machine has the cleaning and heating functions, the solubility and the dissolving speed of a cleaning agent can be improved, cleaning liquid can be circulated, the cleaning effect is guaranteed, and water stains on the surfaces of cleaned objects can be dried.

The invention discloses a treatment device for cooling water circulation. The treatment device comprises a first water cooling circulation system and a stand-by second water cooling circulation system; the first water cooling circulation system comprises a gas-water separating unit, a main circulation pump, a three-way reversing valve, a heating filtering assembly, a plate-type heat exchanger, a heater and a main filter, wherein the main circulation pump communicates with the gas-water separating unit, and the three-way reversing valve, the heating filtering assembly, the plate-type heat exchanger, the heater and the main filter communicate with the main circulation pump; the three-way reversing valve, the heating filtering assembly and the plate-type heat exchanger communicate with one another, and circulating lines of a water cooling medium can be automatically switched by the heating filtering assembly; and the heater communicates with the heating filtering assembly, and the main filter communicates with the heater. The treatment device is small in size, not limited by space and provided with the stand-by cooling system, and the device does not need to stop during maintenance and can normally work; and gas in water can be separated, and the stable pressure of the whole system is guaranteed.

The invention discloses a water outlet device. The water outlet device is provided with a water outlet flow channel, and the water outlet flow channel is provided with a vortex cavity and an air-watermixing cavity in the water outlet direction; the air-water mixing cavity communicates with the atmosphere through a bypass air passage; and the vortex cavity communicates with the air-water mixing cavity through a center hole and at least two first holes evenly distributed around the center hole in the circumferential direction. By the adoption of the structure, compared with the prior art, air can be stably sucked, flocculation and bounce are not prone to happening, and therefore stable sparkling water is output.

The invention discloses a quick fire-fighting pipeline joint, and relates to the technical field of fire-fighting equipment. The quick fire-fighting pipeline joint comprises a pipe head, a sleeving device, an inserting device, a reinforcing device and a fastening device, and is characterized in that the sleeving device is installed at the bottom of the pipe head, the inserting device and the reinforcing device are installed in an inner cavity of the sleeving device, and connecting pieces are symmetrically welded to the surface of the pipe head. According to the quick fire-fighting pipeline joint, under the condition that no gap exists between a water pipe and the sleeving device, an adjuster is pulled out of an insertion hole, a fastening ring piece is pressed at the moment, due to the torsional structure, the diameter of the fastening ring piece can be reduced during pressing, two side clamping plates are pulled to be attached to the surface of the sleeving device, finally, clamping teeth are engaged with the surface of a main water pipe and then clamped to an inserting opening, the stability of rapid connection is achieved, at the moment, the fastening ring piece is curled up and connected to the surface of the sleeving device in a sleeving mode, and the wrapping performance of connection between the sleeving device and the water pipe is enhanced again.