31results about How to "Adjust water pressure" patented technology

The invention discloses a water supply pipe network monitoring management method and a system. The method mainly comprises the following steps: a SCADA system and a GIS system of a water supply pipe network are built; geographical location information of each monitoring site in the SCADA system is acquired, and geographical location coordinates of the monitoring sites are calibrated in the GIS system and shown in a GIS system user interface; a background form database is built, and data forms in the database are corresponding to the monitoring data of each monitoring site; the index linkage between the GIS system user interface and the data forms is built; a data planning module is built for updating each data form in a background server database according to the received monitoring data; and when one or more data values in the data forms exceed a preset value, an alarm is given in the GIS system user interface. Through arrangement of the SCADA system for realizing online monitoring of the pipe network, and through arrangement of the GIS system, maintainers can directly and clearly examine operation information of the water supply pipe network through the GIS system user interface, so that maintenance is convenient, and the pipe burst condition is prevented.

The invention discloses a sewage recovery and disposal device. The sewage recovery and disposal device is characterized in that a water inlet in the top end of a barrel body is butted with filter screens through a water inlet pipeline, a support arm fixed on the inner side wall of the barrel body is arranged right below the filter screens, a motor is fixed to the center of the support arm, a rotating shaft of the motor is connected with a lift table, a fan-shaped rotary brush is arranged on the side, far from the support arm, of the lift table, a filter layer fixed on the inner wall of the barrel body is arranged right below the fan-shaped rotary brush, a dirt discharge groove is formed in the position, close to the inner side wall of the barrel body, of the filter layer and communicated with a blow-down opening formed in the side wall of the barrel body, a liquid film layer used for filtering organic acids and metal ions and fixed on the inner wall of the barrel body is arranged rightbelow the filter layer, a funneled disinfection room is arranged right below the liquid film layer, a water outlet inclined plane is arranged right below the disinfection room, and the lowest end ofthe water outlet inclined plane is butted with a water outlet. According to the sewage recovery and disposal device, blockage caused by excessively much impurities at the top of the filter layer can be avoided, the reusability of a filter material can be increased, garbage disposal is facilitated, and the problem of difficult back flushing in the filter layer is solved.

The invention discloses an oblique irrigation apparatus used for growth of blueberries, which includes a water tank and a branch pipe. A water valve is arranged below the water tank. A shutoff valve is installed at the left-lower side of the water valve. A fertilizing barrel is arranged under the shutoff valve. A motor is installed on the top of the fertilizing barrel. A stirring shaft is connected at the lower side of the motor. Stirring blades are arranged on the surface of the stirring shaft. A main pipe is connected to the right side of the shutoff valve. A filter is arranged on the outerside of the main pipe. An electromagnetic valve is disposed on the right side of the filter. A support is disposed under the filter. A pressure regulator is arranged on the outer side of the branch pipe which is located at the right-lower side of the main pipe. The water tank supplies water to the whole irrigation apparatus and the water valve is used for controlling the water source for preventing waste. Meanwhile, after irrigation is finished, the water valve can be closed timely. The fertilizing barrel is used for accommodating a fertilizer required in growth of blueberries.

The invention discloses a vagina cleaner. The vagina cleaner includes a cleaning pipe, a semispherical block is fixedly installed at the left end of the cleaning pipe, three annular airbags fixedly sleeve the outer side wall of the curved surface of the cleaning pipe, a rotating pipe penetrates through the right end of the cleaning pipe, and the outer wall of the rotating pipe tightly fits the inner wall of the cleaning pipe; a connecting pipe is fixedly inserted in the right side face of the rotating pipe, and a water supply device is installed on the right side face of the connecting pipe. According to the vagina cleaner, through staggered distribution of water via hole groups and water outlet hole groups, the diameter of water outlet holes in each water outlet hole group is adjusted, the pressure of water discharged by the cleaner can be adjusted by users according to their personal conditions, correspondingly the cleaner is more convenient to use, and the cleaning effect is better.

The invention discloses a pre-filter with automatic scraping and blowdown functions. The pre-filter comprises a filter casing, wherein a blowdown port assembly and an outer casing for sealing the blowdown port assembly are arranged at the lower end of the filter casing; the blowdown port assembly is connected with a filter net skeleton which is positioned in the filter casing; the blowdown port assembly comprises a blowdown pipe and a ball valve, and the ball valve is used for blocking or opening the blowdown pipe; the blowdown pipe can be controlled to automatically rotate; the ball valve canbe automatically controlled to open or close. The pre-filter has the advantages that the automatic blowdown and automatic cleaning functions are realized; the convenience in use is realized; in the use process, the automatic cleaning and blowdown functions can be realized by only presetting the automatic blowdown and cleaning intervals, and the use experience is better.

The invention relates to the technical field of intelligent water service water meters, in particular to an adjustable intelligent water service water meter which comprises a main water pipe. The main water pipe is provided with a connecting pipe externally connected with a water path, and an inner cavity of the main water pipe is sleeved with a gathering sleeve. When the water meter is used, water pressure generated by an external water path is released through the faucet, tap water enters the main water pipe from the external water path and the connecting pipe and is shrunk through the gathering cavity in the gathering sleeve, so that the diameter of the water path where the tap water passes is reduced, and the water flow speed is increased; under the effect of a pressure divider in a space with a small diameter, the two flow dividing sleeves are arranged in the main water pipe, when multiple residents in the same floor use tap water at the same time, the flow dividing sleeves in the main water pipe can divide the tap water in the main water pipe, and in order to guarantee balance of flow dividing, flow guide blades arranged in the flow dividing sleeves in the main water pipe rotate under the action of water flow, and therefore, tap water in the main water pipe can be effectively and uniformly distributed.

The invention relates to a method for monitoring the grain diameter of ore pulp transported by a long-distance pipeline in a complex terrain, which is characterized by comprising the following steps of dynamically monitoring whether the coarse grain ore pulp retains in the pipeline or not by detecting and analyzing the change of the grain diameter in the positions of a starting point and a finishing point in the running course of the long-distance pipeline; and monitoring whether the ore pulp is completely transported in the transportation course of the pipeline and whether the overstocking phenomenon of coarse grains in the pipeline appears so as to timely avoid the loss because the ore pulp with coarse grain diameter is overstocked in the pipeline.

The invention relates to a writing tool, in particular to a ground writing pen with the adjustable writing speed. The ground writing pen comprises a pen point, a pen cartridge, a pen hoop, a pen holder and a water supplying device. One end of the pen hoop is fixedly connected with the pen point. The other end of the pen hoop is fixedly connected with the pen holder. One end of the pen cartridge is inserted in the upper portion of the pen point. The other end of the pen cartridge is inserted in the pen holder. The water supplying device comprises a water storage bottle, an extensible water pipe and a water bag. One end of the water bag and one end of the pen cartridge are fixed in a sealed mode. The other end of the water bag is connected with the water storage bottle through the extensible water pipe, wherein the water storage bottle is fixed outside the pen holder. The water storage bottle is fixed on the pen holder through a movable hose hoop. The ground writing pen has the advantages that the speed of water supplying to the pen point can be flexibly adjusted, therefore, the requirements of different writers and different writing styles are met, and the temperament and interest of the ground writing calligraphy practice is abounded.

The invention discloses a portable spray gun device with the adjustable water pressure and flow rate. The device comprises a first body, a second body, a spray nozzle, a water supply assembly, a watersupply port and a knob assembly, wherein a stop block is arranged inside the first body, a water outlet is formed in the first body and in the stop block; one end of the second body perpendicularly communicates with one end of the first body and is internally provided with a water outlet area; the spray nozzle is detachably arranged at the other end of the second body; one end of the water supplyassembly is arranged inside one end of the first body, and the other end of the water supply assembly abuts against the stop block and is internally provided with a water supply area communicating with the water outlet area; the water supply port is opposite to the water outlet, and formed in one side of the water supply area; and the knob assembly can drive the water supply assembly to rotate under controlled spiral twisting conditions and is connected with one end of the water supply assembly in a matched mode. Compared with a traditional art, the portable spray gun device is reasonable indesign, simple in structure and convenient to clean, water outlet blockage is prevented, and the water outlet flow rate and water pressure can be adjusted conveniently and quickly.

The invention provides an energy-saving multifunctional fertilizer applying device. The device comprises a support, a spray head, a power generation bearing, a medicine storage box, a medicine inlet,a fertilizer feeding opening, a fertilizer storage box, handles, handle supports, a fertilizer applying hopper, a ditching plough and rollers. The power generation bearing is installed in the support;the medicine inlet is formed in the middle of the spray head and the medicine storage box; the fertilizer storage box is installed between the fertilizer feeding opening and the ditching plough; thehandle supports are connected to the handles; the rollers are installed on the lower part of the support. According to the energy-saving multifunctional fertilizer applying device, by installing a rotary shaft, a lifting column, an air pressure adjustment ting and a fixing base, flexibility of stretching and sliding is facilitated and abrasive resistance of a movable part is improved, so that failure rate is reduced, maintenance is convenient, manufacturing cost is reduced, and accordingly use range is expanded and marketing popularization and application are facilitated.