49results about How to "Does not increase stress" patented technology

The invention relates to the field of urban rainwater treatment systems, in particular to a separate system pipe network based area fragmented rainwater abandoned flow treatment system. An area internally comprises a sewage header pipe, rainwater branch pipes and sewage branch pipes; the discharging ends of the sewage branch pipes are communicated with the sewage header pipe, the area is divided into a plurality of segments in a grid shape, and the area of each fragment is 0.2-4 square kilometers; each fragment is internally provided with a sewage branch pipe, a rainwater branch pipe and one or more abandoned flow wells; each abandoned flow well comprises a well body, each well body is provided with a water inlet pipe communicated with the discharging end of the corresponding rainwater branch pipe, a water outlet pipe communicated with natural water and an abandoned flow pipe communicated with the sewage header pipe. The separate system pipe network based area fragmented rainwater abandoned flow treatment system is simple in structure, the problem of delay in the long-distance conveying process of initial rainwater in the prior art is solved through the independent abandoned flow wells in the fragments, the treatment pressure of a sewage treatment plant is relieved, the situation that initial rainwater pollutes natural water is further avoided, and discharging treatment of rainwater is more reasonable and effective.

The invention discloses a network quality monitoring method, device and system, used for performing network quality monitoring in a condition that the network pressure is not increased. The method comprises the steps of: establishing first communication links between a client side and a first proxy server, wherein the first communication links include a data link and a test link; sending a test data packet to the first proxy server at the first frequency through the test link, receiving response information of the test data packet, and obtaining the time difference of the response informationreceiving time and the test data packet sending time as network delay data; detecting the packet loss probability of a communication data packet on the data link; when the packet loss probability of the communication data packet on the data link is greater than a first threshold value, sending the test data packet to the first proxy server at the second frequency through the test link, and detecting the packet loss probability on the test link, wherein the second frequency is greater than the first frequency; and, when the network delay data is greater than a second threshold value or the packet loss probability on the test link is greater than a third threshold value, determining that the first communication links have a problem.

The invention provides a double-clutch automatic transmission creeping control method. Under the condition that only a brake pedal switch signal is provided and no brake pressure signal is provided, the following control steps are executed, wherein the steps include that the vehicle speed is detected, and when the vehicle speed is 0, the position of a shifting lever is detected; and if the shifting lever is located at a forward gear or a reverse gear, pre-gear-engagement is conducted, and oil is injected in a current clutch to the kiss point. By the adoption of the method, it can be guaranteed that the whole vehicle creeping function can still be maintained when the brake pressure signal fails.

The invention relates to a method for preparing calcium sulphosilicate-Belite-sulfoaluminate cement clinker at low temperature, and belongs to the technical field of building materials. The method comprises the following steps: crushing a siliceous raw material, a calcium raw material, an aluminum raw material and industrial gypsum respectively; then, proportioning according to a mass ratio of (25.67-39.31):(18.4-39.21):(4.64-20.53):(16.4-24.59), and performing ball milling for 24-72h to obtain a raw material; pressing the raw material into square pieces, then calcinating the square piece at 900-1200 DEG C, preserving heat for 1-3h, taking out for quenching, and then grinding to obtain the calcium sulphosilicate-Belite-sulfoaluminate cement clinker. According to the method, industrial waste residues are used as the main raw materials; by a mechanochemical method, the activity of a material is improved, the potential barrier of a chemical reaction is lowered, change of the texture, thestructure and the performance of the material is induced more efficiently, and the calcination temperature of calcium sulphosilicate-Belite-sulfoaluminate cement is reduced; the method is low in energy consumption and environmentally friendly.

The invention relates to the field of urban water treatment systems, in particular to a fragmentation closure regulation and storage discharging system. A main sewage pipe and discharge branch pipes are arranged in a water collecting area, and the discharge branch pipes are communicated with the main sewage pipe. The water collecting area is divided into a plurality of districts according to the grid shape, wherein the area of each district is 0.2-4 square kilometers; and the discharge branch pipes and catchpits are arranged in the districts. Water inlets of the catchpits are communicated with the outlet ends of the discharge branch pipes. An initial rainwater outlet is communicated with the main sewage pipe, and a later period rainwater outlet is communicated with a regulation and storage pond. The purified water outlet end of the regulation and storage pond is communicated with natural water, and the sewage outlet end is communicated with the main sewage pipe through a sewage pump. The fragmentation closure regulation and storage discharging system is simple in structure, an urban water treatment system is divided into the independent districts, the problem of delay in the initial rainwater long-distance conveying process in the prior art is solved through the independent catchpits on the districts, and the fragmentation closure regulation and storage discharging system has very high popularization values.

The invention relates to an energy tower absorption type hot and cold water unit and belongs to the field of heating air conditioners. The unit comprises an absorption type cooling heat pump unit, an energy tower and a secondary refrigerant regenerating device which are combined. In winter, the absorption type cooling heat pump unit is driven to operate through heat energy or fuel so as to provide the heating function, low-quality heat energy is extracted through heat and mass transfer of the energy tower and the air, and accordingly primary energy efficiency of heating is increased evidently. In summer, the unit is switched into a absorption type cooling mode, heat is discharged to the energy tower, and power grid load can be reduced effectively by heat energy or fuel cooling. The energy tower absorption type hot and cold water unit has the advantages that the energy tower is small in investment and does not frost by taking heat in the air in winter, and reliability and continuity of heating are guaranteed; continuous regeneration of secondary refrigerant is achieved through self smoke discharge or heat pump refrigerating, use amount of secondary refrigerant is reduced, and energy consumption for secondary refrigerant regeneration is lowered greatly; the energy tower absorption type hot and cold water unit used for heating in winter and cooling in summer has evident effects of energy conservation and emission reduction.

The invention relates to a vertical tuned mass magnetic lead screw type inerter eddy current damper. The vertical tuned mass magnetic lead screw type inerter eddy current damper comprises a spring mass system, an inertia mass system, an eddy current damping system and a supporting system; the spring mass system comprises a spring and a clump weight; the inertia mass system comprises a flywheel, amagnetic lead screw nut pair and a magnetic suspension thrust bearing; the eddy current damping system comprises a straight-strip-shaped permanent magnet, a conductor plate and back iron; and the supporting system comprises guide rods, a supporting bracket and an outer frame. According to the damper, the inerter principle is introduced, physical balance weight is reduced, the net elongation of thespring of a low-frequency structure controlled by the device is reduced while the mass ratio of the device is increased; by adopting the magnetic lead screw nut pair, the friction between a lead screw and a nut is eliminated, and the working efficiency is improved; meanwhile, the magnetic suspension thrust bearing is used cooperatively to ensure that the flywheel is suspended in a flywheel chamber to work normally; and the overall friction of the damper is greatly reduced, and the service life is prolonged.

The invention discloses a network analytical method which includes the following steps: a network analytical device detaches tunnel data of a terminal database, an internet protocol (IP) address of the terminal is obtained, and whether the IP address is related to a real user name or not is identified. If the IP address is related to the real user name, network data is analyzed according to the real user name and an analyzed result is saved. The invention also discloses a network analytical system. Due to the fact that the network analytical device detaches the tunnel data of the terminal database, the IP address of the terminal is obtained. When the network analytical system identifies that the IP address is related to the real user name, and the network data is analyzed according to the real user name and the analyzed result is saved. The network analytical method and the network analytical system have the advantages of accurately positioning the real user name to analyze the network data, equipment property loss caused by analyzing signaling data repeatedly is avoided, and at the same time pressure of a server is not added.

The invention relates to a method for preparing belite-sulfoaluminate cement by a mechanochemical process at low temperature. The method includes separately crushing a siliceous raw material, an aluminum raw material, a calcium raw material and industrial gypsum; and blending the materials and performing ball milling for 24-72 h to obtain a raw batch; subjecting the raw batch to sheet compression,maintaining the temperature at 900-1200 DEG C for 1-3 h, taking a product out, and quenching the product to obtain clinker; and fully mixing the clinker and dihydrate gypsum, and grinding the mixtureto obtain the cement. Through the mechanochemical process, material activity is improved, the potential barrier of the chemical reaction is reduced, low-temperature formation of the belite-sulfoaluminate cement clinker mineral is induced more efficiently, the calcination temperature for the belite-sulfoaluminate cement is reduced by 150-250 DEG C than traditional calcination temperature, and themethod is simple in process, low in energy consumption, low in carbon and green.

The invention relates to the field of urban water treatment systems, in particular to a sectioned intercepting and online treatment and discharging system. A water receiving area is divided into a plurality of sections in a latticed shape, and the area of each section is 0.2-4 square kilometers; each section is internally provided with one or more drainage branch pipes, one or more intercepting wells and one or more online treatment pools; a water inlet of each corresponding intercepting well is communicated with the outlet end of the corresponding drainage branch pipe, early rain water drainage openings are communicated with a trunk sewer, later rain water drainage openings are communicated with the online treatment pools, and the discharging end of each online treatment pool is communicated with a natural water body. According to the sectioned intercepting and online treatment and discharging system, the sections are provided with the independent intercepting wells, the problem of delay in long-distance conveying of early rainwater in the prior art is solved, the online treatment pools are arranged so that later rain water in the sections can be correspondingly treated efficiently, rapidly and conveniently, and the treatment burden of a sewage treatment plant is relieved while the situation that the natural water body is contaminated by early rain water is avoided.

The invention provides a ball screw type eddy current damper with a negative-stiffness nonlinear energy trap. The ball screw type eddy current damper comprises an outer frame, a vertically-arranged guide rod, a supporting frame, a mass block, a spring, an alternate permanent magnet set, a conductor plate and an iron plate, wherein a set gap is reserved between the alternate permanent magnet set and the conductor plate. The damper further comprises a vertically-arranged ball screw, a nut, a flywheel and a thrust bearing. The damper further comprises a homonymous permanent magnet set and / or a synonymous permanent magnet set which can generate the negative-stiffness nonlinear energy trap effect. When vibration energy of a controlled structure is transmitted to the damper, the mass block is caused to vibrate up and down, the homonymous permanent magnet set and / or the synonymous permanent magnet set capture / captures resonance energy within a wide frequency range, the ball screw drives theflywheel to rotate at a high speed to generate the inertia mass effect, the conductor plate cuts magnetic induction lines of the alternate permanent magnet set, and the eddy current damping effect isformed; and back iron can reduce magnetic flux leakage and improve the damping energy consumption efficiency.

The invention discloses a hybrid CDN unified source station automatic refreshing method. The method comprises the following steps: setting a configuration rule corresponding to specific operation information of a file system in an operation system; Carrying out real-time monitoring on the source station file by calling a system Inotify interface, and obtaining specific operation information and acomplete path of the changed file; After the specific operation information is identified, according to the set configuration rule and the complete path of the variable file, matching a correspondingrefresh interface program to generate a task, and issuing the task to a task queue; Reading the task queue, and executing the task instruction; The invention also discloses a hybrid CDN unified sourcestation automatic refreshing system. Monitoring of files on a source station server is achieved through program logic, study and judgment are conducted according to the deployment path of the changedfiles, the corresponding acceleration domain names, rules and DNSresolve, corresponding actions are obtained through accurate matching, then automatic execution is conducted through a task module, manual intervention is not needed, and rapidness and accuracy are achieved.

The invention discloses an environment-friendly thermal-insulation external wall paint prepared from wastes. The invention is characterized in that the paint is prepared from the following raw materials in parts by weight: 8-11 parts of polyacrylate emulsion, 3.5-4.5 parts of polyacrylamide, 1-2 parts of sulfonated oil, 2-3 parts of hydroxyethyl cellulose, 10-13 parts of expanded vermiculite powder, 3-5 parts of microporous calcium silicate, 3-5 parts of hollow microbead, 4-5 parts of rice hull, 5-7 parts of field weed, 2.5-4 parts of bean protein adhesive, 6-8 parts of modified round-grain mortar and 25-30 parts of water. The rice hull, field weed and other wastes are changed into valuable substances by special treatment, thereby increasing the toughness of the paint film. By matching the microporous calcium silicate and other components, the paint has favorable thermal-insulation effect. The added modified round-grain mortar has the advantages of light weight and favorable dispersity, increases the brightness, viscosity and strength of the paint, can not easily shed, and can not increase the pressure of the buildings. The produced paint is simple for construction, and has the advantages of high covering power, wide application range, elegant appearance and high practicality.

The invention discloses an external wall coating added with fiber components such as paper scraps. The coating is characterized by being prepared from the following raw materials in parts by weight: 34-37 parts of water-based polyurethane emulsion, 3-5 parts of hydroxyethyl cellulose, 13-15 parts of sericite powder, 6-9 parts of waste kraft paper scraps, 3-5 parts of straw pulp, 2.5-3.5 parts of bamboo fiber, 0.8-1.3 parts of silane coupling agent KH560, 12-14 parts of titanium dioxide, 0.1-0.2 parts of dimethyl silicon oil, 6-8 parts of modified round grain mortar and 25-30 parts of water. The coating is reasonable in formula; the water-based polyurethane emulsion is added, so that the coating has certain elasticity and a good mechanical property, and is safe and nontoxic; the kraft paper scraps and the straw pulp are added, so that the crack resistance of the coating is improved; the modified round gain mortar is added, so that the coating has a good dispersion effect, high hardness and good wear resistance, does not increase pressure of a building, is attractive and elegant, and can meet different decoration demands; and the coating is simple in technology, easy to operate, long in service life and easy to paint.

The invention discloses a waterproof adsorbing anti-crack water-based paint for external walls. The paint is characterized by being prepared from the following raw materials in parts by weight: 23-26 parts of silicone acrylic emulsion, 12-14 parts of PVDC latex, 2-3 parts of sodium silicate, 3.5-4.5 parts of lignocellulose, 3-5 parts of polyvinyl alcohol superfines, 1.5-2.5 parts of sodium sulfite, 0.5-0.7 part of calcium stearate, 7-10 parts of bamboo charcoal, 15-18 parts of coarse whiting, 6-8 parts of modified rounded-grain mortar, and 25-30 parts of water. The paint disclosed by the invention adopts a waterproof emulsion formula, and waterproof agents of the calcium stearate and the like are cooperated, so that the waterproof effect is super high; the bamboo charcoal is added, so that dust particles in air can be adsorbed, and the air pollution can be relieved; the lignocellulose is added, so that the anti-crack capacity is enhanced, and the adsorbing capacity of a paint film is improved; modified rounded-grain mortar is added, so that the dispersal effect is good, the hardness is high, the abrasion resistance is good, the pressure of buildings cannot be increased, the paint is elegant in appearance, and different decoration demands can be satisfied.

The invention relates to a magnetic lead screw type eddy current damper with a negative stiffness nonlinear energy trap. The magnetic lead screw type eddy current damper comprises a spring mass system, an inertia mass system, an eddy current damping system, a negative stiffness system and a supporting system. The spring mass system comprises a spring and a balancing weight, the inertia mass systemcomprises a flywheel, a magnetic lead screw nut pair and a magnetic suspension thrust bearing, the eddy current damping system comprises a straight permanent magnet, a conductor plate and back iron,the supporting system comprises a guide rod, a supporting bracket and an outer frame, and the negative stiffness system comprises a synonym permanent magnet group and / or a homonymous permanent magnetgroup. According to the damper, the inerter principle is introduced, physical balance weight is reduced, the mass ratio of the device is increased, and meanwhile the spring net elongation of a low-frequency structure controlled by the device is reduced. The negative stiffness nonlinear energy trap element is introduced, and resonance energy can be captured in a wide frequency range. By adopting the magnetic lead screw nut pair, the friction between a lead screw and a nut is eliminated, and the working efficiency is improved. Meanwhile, the magnetic suspension thrust bearing is used cooperatively to ensure that the flywheel is suspended in a flywheel chamber to work normally.

The invention discloses a network analytical method which includes the following steps: a network analytical device detaches tunnel data of a terminal database, an internet protocol (IP) address of the terminal is obtained, and whether the IP address is related to a real user name or not is identified. If the IP address is related to the real user name, network data is analyzed according to the real user name and an analyzed result is saved. The invention also discloses a network analytical system. Due to the fact that the network analytical device detaches the tunnel data of the terminal database, the IP address of the terminal is obtained. When the network analytical system identifies that the IP address is related to the real user name, and the network data is analyzed according to the real user name and the analyzed result is saved. The network analytical method and the network analytical system have the advantages of accurately positioning the real user name to analyze the network data, equipment property loss caused by analyzing signaling data repeatedly is avoided, and at the same time pressure of a server is not added.

The invention discloses a sterilizing, anti-algae and anti-aging water-based exterior wall coating. The coating is characterized in that the coating is prepared from the following raw materials in parts by weight: 20 to 23 parts of butadiene styrene rubber latex, 13 to 15 parts of n-butyl acrylate, 1.5 to 2.5 parts of paraffin, 0.3 to 0.5 part of methylrosanilinium chloride, 6 to 8 parts of calcium silicate hydrate powder, 0.2 to 0.4 part of ammonium persulfate, 2 to 3 parts of starch phosphate, 4 to 6 parts of zinc oxide, 10 to 13 parts of talcum powder, 1 to 2 parts of an antioxidant (DSTP, distearyl thiodipropionate), 6 to 8 parts of modified rounded mortar, and 25 to 30 parts of water. The invention has the advantages that the methylrosanilinium chloride is added into the coating as an antibacterial agent, so as to achieve good sterilizing and anti-algae effects; the modified rounded mortar is added, so as to achieve good dispersing effect, high hardness and abrasive resistance, as well as an elegant appearance, avoid increasing pressure on a building, and satisfy different decoration requirements; the exterior wall coating has high weather resistance, aging resistance and scrubbing resistance, as well as a large adhesive force, can be directly constructed during the exterior wall construction, and achieves remarkable covering effect.

The invention discloses an elastic fireproof compound coating with a cork component added. The coating is characterized by being made from the following raw materials, by weight part, 33-36 of a waterborne fluorocarbon emulsion, 3-4 of superfine aluminium silicate, 2-3 of sodium silicate, 1-2 of dodecyl dimethyl benzyl ammonium bromide, 1-2 of sodium dodecyl sulfate, 1-1.5 of ammonium sulfate, 2-4 of iron-ore slag, 8-11 of diatomite, 4-6 of ceramic fibers, 4-6 of cork powder, 6-8 of modified round-grained mortar and 25-30 of water. A fluorocarbon emulsion with excellent elasticity is adopted and the cork component is added, thereby improving the elasticity and the heat insulation effect of the coating. Ceramic fibers are added and have an effect of high-temperature resistance and fire retardance, so that fire hazards are avoided. Through addition of modified round-grained mortar light in weight and good in dispersion, the brightness, viscosity and strength of the coating is increased without increase of the pressure to a building. The coating is beautiful and elegant and can meet different decoration requirements.

The invention discloses a high-temperature flue gas quenching method. The high-temperature flue gas quenching method comprises the following steps that 1, flue gas is guided; 2, liquid metal is primarily dispersed; 3, secondary dispersion is carried out on the liquid metal, 4, the liquid metal is recycled; and 5, the flue gas is discharged. The high-temperature flue gas quenching method can guarantee the normal temperature of a high-temperature flue gas quenching experiment.

The invention discloses a chemical industry wastewater discharge pipe. The chemical industry wastewater discharge pipe comprises a reaction tube and a filter tube, wherein a liquid storage box is arranged at the upper middle end of the reaction tube; a spray header is arranged at the upper end of the inner surface of the reaction tube; a conveying tube is arranged above the interior of the reaction tube; the liquid storage box and the spray header are respectively connected with the two ends of the conveying tube; the spray header inside the reaction tube sprays liquid stored in the liquid storage box into wastewater, so as to react the liquid with chemical components in the wastewater to form solids; the solids are filtered in the filter tube in a first filtering screen and a second filtering screen, so that impurities and chemical components in the wastewater can be sufficiently filtered, water in the wastewater discharge pipe can be directly discharged into rivers, pressure and load of workers cannot be increased, and the chemical industry wastewater discharge pipe can further be widely applied and acknowledged in the market.

A three-purpose ground source absorption heat pump system and its operation method, the system includes an absorption heat pump, an underground pipe, a domestic hot water tank, a plate heat exchanger, a switching pump and a plurality of valves. This method is based on the combination of fuel combustion heating system and ground source absorption heat pump, and adds a heat recovery loop and switching device to provide heating in winter, air conditioning in summer and domestic hot water throughout the year. According to the load characteristics of different seasons and different needs, a variety of different operating modes can be realized by switching. While cooling in summer, the exhaust heat of the absorber and / or the condenser is recovered to produce domestic hot water. Compared with electric heat pumps, absorption heat pumps take less heat from the soil when heating, and dissipate more heat to the soil when cooling, while the demand for domestic hot water throughout the year can further increase the heat taken, and heat recovery in summer can further reduce emissions. Therefore, it can effectively reduce the annual thermal imbalance rate, improve the primary energy efficiency of traditional systems, and maintain stable and reliable heating and air conditioning performance for many years.

The invention discloses a multi-level photovoltaic power generation system topological structure and a control method thereof, and relates to the technical field of photovoltaic power generation systems, in particular to a multi-level photovoltaic power generation system topological structure and a control method thereof, which comprise a power generation system box and a support rod, a solar array panel is mounted at the top of the power generation system box, clamping bases are arranged on the upper surface and the lower surface of the rear side of the solar array plate, a bottom rod is installed in the middle of the rear side of the solar array plate, a wire groove is formed in the middle of the solar array plate, an inverter, an intelligent electric meter and a combiner box are placedin the power generation system box at the same time, and the supporting rod is located on the rear side of the bottom rod. The topological structure of the multi-level photovoltaic power generation system is provided with the clamping base, the clamping base can clamp a solar array panel, the edge of the solar array panel is prevented from being damaged, meanwhile, the battery installation box isconvenient to install through the arrangement of the clamping base, and connection between the storage battery assembly and the solar array panel is facilitated.

The invention relates to the field of urban rainwater treatment systems, in particular to a separate system pipe network based area fragmented rainwater abandoned flow treatment system. An area internally comprises a sewage header pipe, rainwater branch pipes and sewage branch pipes; the discharging ends of the sewage branch pipes are communicated with the sewage header pipe, the area is divided into a plurality of segments in a grid shape, and the area of each fragment is 0.2-4 square kilometers; each fragment is internally provided with a sewage branch pipe, a rainwater branch pipe and one or more abandoned flow wells; each abandoned flow well comprises a well body, each well body is provided with a water inlet pipe communicated with the discharging end of the corresponding rainwater branch pipe, a water outlet pipe communicated with natural water and an abandoned flow pipe communicated with the sewage header pipe. The separate system pipe network based area fragmented rainwater abandoned flow treatment system is simple in structure, the problem of delay in the long-distance conveying process of initial rainwater in the prior art is solved through the independent abandoned flow wells in the fragments, the treatment pressure of a sewage treatment plant is relieved, the situation that initial rainwater pollutes natural water is further avoided, and discharging treatment of rainwater is more reasonable and effective.

The invention provides a ball screw type eddy current damper with a negative stiffness nonlinear energy well, which includes an outer frame, a vertically arranged guide rod, a support frame, a mass block, a spring, an alternating permanent magnet group, a conductor plate and an iron There is a set gap between the alternating permanent magnet groups and the conductor plate; the damper also includes a vertically arranged ball screw, nut, flywheel and thrust bearing; the damper also includes a negative stiffness nonlinear Same name permanent magnet group and / or different name permanent magnet group for energy sink effect. When the vibration energy of the controlled structure is transmitted to the damper, causing the mass block to vibrate up and down, the permanent magnet group with the same name and / or the permanent magnet group with the same name captures the resonance energy in a wide frequency range, and drives the flywheel to rotate at high speed through the ball screw to generate The inertial mass effect makes the conductor plate cut the magnetic induction lines of the alternating permanent magnet groups to form the eddy current damping effect; the back iron can reduce the magnetic flux leakage and improve the damping energy consumption efficiency.

The invention discloses a self-driven salt mist-prevention device for an offshore wind power bearing. The main shaft near-hub flange end, main shaft near-gear box end, high-speed output shaft near-generator end and high-speed output shaft near-generator end of a wind turbine are provided with salt mist-prevention structures; an impeller, near a bearing pedestal / shell coaxially and fixedly sleevesa main shaft; a semi-closed cover is arranged outside the impeller; one end of the outer ring of the semi-closed cover is fixedly connected to the bearing pedestal / shell, and the other end of the outer ring of the semi-closed cover is folded towards the axis of the main shaft after crossing the impeller so as to form the inner ring; a gap is formed between the semi-closed cover and the main shaft;a through hole is formed in the side, far away from the bearing pedestal / shell, of the semi-closed cover; and the impeller blows air to the through hole to generate air far away from the bearing pedestal / shell. With the device of the invention adopted, the situation that the service life of the offshore wind power bearing is shortened due to the fact that the offshore wind power bearing is easilyeroded by salt mist is alleviated; bearing replacement cost is reduced; the bearing replacement time of a wind driven generator is shortened; and self-driving is achieved, so that an additional powersource is not needed.

The invention relates to the technical field of water purification equipment, and particularly relates to a waste water valve control method and device, water purification equipment and a storage medium. The control method of the waste water valve comprises the following steps: acquiring actual water quality information; determining the number of opened waste water holes and / or the overflowing area of the waste water holes according to the actual water quality information; and enabling the corresponding waste water holes to be opened according to the opening number and / or the overflowing area so as to adjust a waste water ratio. The opening number of the waste water holes and / or the overflowing area of the waste water holes are determined according to the actual water quality information, opening of the corresponding waste water holes is controlled according to the opening number of the waste water holes and / or the overflowing area of the waste water holes, then the waste water ratio is adjusted, different waste water ratios are achieved, and the method can adapt to water quality differences of different areas; and a RO membrane can reach a normal service life in areas with poor water quality, and the utilization rate of pure water can be improved in the areas with good water quality.