363results about How to "No power required" patented technology

The wick-type garden rain water collector consists of five parts including rain water collecting funnel to collecting surface water, filtering net to filter out impurity, movable inlet tongue to avoid evaporation loss of water, water collecting bottle to store water rain and wick type watering pipe to irrigate trees through permeation. The wick-type garden rain water collector may be used widely to irrigate trees durably and fight drought effectively.

An apparatus for dephosphating and denitrifying sewage is composed of anaerobic biologic filtering pool, aerobic biologic filter pool and water separator. The said anaerobic biologic filter pool is divided into deposition area and filter area containing filler. The said aerobic bioligc filter pool containing filler has the water distributing canal and guide dam on the filter. Its advantages are high denitrifying power and no need of power.

The invention discloses a primary water loop heat pipe radiation system for a cabinet server. The system comprises a machine room unit, a cooling unit and a cyclic power unit, wherein the machine room unit is connected with the cyclic power unit, and is connected with the cooling unit; the cyclic power unit is connected with the cooling unit; refrigerant water is powered by the cyclic power unit to enter the machine room unit to cool the machine room unit after being subjected to the evaporative heat absorption cooling of an outdoor air natural cooling source and spray water of the cooling unit. According to the system, a method of shortening the cold air delivery distance of a cabinet and accurately supplying air is adopted, so that the problems of local overheating and existence of hot spots of a server are solved on the basis of fully utilizing the natural cooling source and not increasing the power consumption; meanwhile, the introduction of outdoor air is avoided, so that influence on the cleanliness and the humidity of air in a machine room is eliminated; the whole system is simple in design and less in investment, the system has the characteristics of no power requirements and noise running noise in the machine room, and the aims of energy saving, synergy, safety and reliability of the data machine room are fulfilled.

The invention discloses on-line purification equipment for a metal machining fluid and a purification method thereof. The equipment comprises a purification fluid tank, a stock solution tank, a magnetic separation pool, a magnetic slag tank, a drum type multi-stage magnetic separation device, a gas-liquid mixing pump, an ozone generator, an ozone copolymerization air-float sterilization separation device and a Y-shaped water outlet pipe, wherein the drum type multi-stage magnetic separation device adopts a drum-shaped structure, the inner wall of the drum is embedded with a plurality of same permanent magnets at certain intervals along the same axial direction; and the inside of the ozone copolymerization air-float sterilization separation device is orderly provided with a grid, a baffle plate and an ozone contact generator from bottom to top, and the upper part of the ozone contact generator is a separation zone. The method comprises the main steps of magnetic separation, gas dissolution, sterilization and water and slag discharge. The method has the advantages of realizing the on-line circular purification and use of the machining fluid, prolonging the service life of the machining fluid, greatly reducing the amount of waste fluid generated and achieving the aims of water conservation, emission reduction and clean production.

The testing assembly comprises the glass tube, the indicating material in the glass tube and the diffusion control film on two ends of the glass tube. The indication scale for measuring value constitutes the indication window. The testing assembly and the scale are fixed on the carrier with badge shape. The indicating material comprises main agent, the inter surface modifying addition and ceramics powder in 80-120 mesh. One or several of lead acetate, lead nitrate and silver nitrate constitute the main agent. The intersurface modifying addition is soluble barium salt. The weight of the main agent is 1%-10% of the weight of the admixture. The invention provides the features of powerless, high sensitivity, good accuracy, low cost and convenience.

The invention discloses a control method for a heat pipe secondary refrigerant loop server cabinet cooling system. The system comprises one or more heat pipe radiators, a server cabinet, a water supply branch pipe, a water return branch pipe, a machine room water supply main pipe, a machine room water return main pipe, an automatic water replenishing constant pressure device, a circulating water pump, a standby water pump, a heat exchange device, an outdoor refrigerant return connecting pipe, an outdoor air outflow connecting pipe, a refrigerant valve, an air valve, an air-cooled condenser and a control system. Natural cooling energy-saving measures are adopted in the air-cooled condenser. By the adoption of the control method, a server can be directly cooled, and the problems that a server cabinet is partially too hot and hot spots exist are solved; meanwhile, the natural cooling measures are utilized, the heat exchange temperature difference is large, efficiency is high, and the system has the advantages of being simple, reliable and low in power consumption and noise and meets the ideas of energy saving and environment friendliness.

The invention relates to a fine particle embedded cassiterite beneficiation method, and belongs to the technical field of mineral processing. Fine particle embedded cassiterite ores are grinded by a rod grinding machine for primary advanced desulfurization flotation to obtain sulfur concentrates and predesulfurized tailings; the predesulfurized tailings are fed in a spiral chute for reselection to roughly select tin to obtain qualified tin concentrates and spiral chute tailings; the spiral chute tailings are classified to obtain three products of +0.053 mm thick particle grade, 0.053-0.038 mm medium particle grade and -0.038 mm fine particle grade; the shaker reselection is performed on the products of+0.053 mm thick particle grade and 0.053-0.038 mm medium particle grade to obtain shaker concentrates, middlings and tailings; the products of -0.038 mm fine particle grade are reselected by a centrifugal beneficiation machine to obtain tin concentrates and tailings; the shaker concentrates are merged with the tin concentrates reselected by the centrifugal beneficiation machine as qualified tin concentrates; the tailings are merged as final tailings; the shaker middlings are merged for cassiterite beneficiation to obtain tin thick concentrates; and the tin thick concentrates are reselected and finely selected by the centrifugal beneficiation machine to obtain qualified tin concentrates and tin-rich middlings. The method is lower in production cost and higher in recovery rate.

The invention discloses a method for resource utilizing isothermal industrial chelonian culture waste water, which comprise the following steps: 1) the culture waste liquid in an isothermal chelonian culture booth (1) is discharged in a sedimentation basin (2) for anaerobic fermentation to obtain solids and waste water; 2) solids are prepared to an organic fertilizer; waste water is entered in a collecting pool (3); 3) waste water is entered in a sewage ditch (4); 4) waste water is entered in an integrated biological pool (6) through a sewage water pump (5), water plants are planted in the integrated biological pool (6) and the aquatic animals are cultured; 5) waste water is flowed in a mixed culture pool (7), fishes are stocked and the water plants are planted in the mixed culture pool (7); 6) waste water is flowed in an aquatic vegetable plantation pool (8), the aquatic vegetables are planted in the aquatic vegetable plantation pool (8), 7) waste water processed in the aquatic vegetable plantation pool (8) is flowed in a tail water discharge channel (10). The method enables reasonable and tight combination of breeding industry and planting industry.

The invention discloses an ecologically harmless treatment system of excrement and domestic sewage. The treatment system mainly comprises a septic tank, wherein, the septic tank is connected with a silting acidification tank, an anaerobic fermentation tank and an ecological treatment tank in sequence through a connecting pipe of a box body; the septic tank, the silting acidification tank and the anaerobic fermentation tank are provided with respective upper covers; and an elastic filler is arranged in the anaerobic fermentation tank. Based on the design of the tanks, the tanks can effectively treat the excrement, and the discharged sewage after the treatment can meet the second-class standard of the state. The first two tanks of the treatment system perform the fermenting and sterilizing functions and the septic function; the last four tanks are the silting acidification tank, the anaerobic fermentation tank, a filtering wetland tank and a water outlet tank. The treatment system utilizes anaerobe to ferment and decompose organic matters, and promotes the decomposition of facultative microorganism through the filtration, root interception, sorption, absorption, and photosynthesis and oxygen transportation of plants, so as to efficiently purify the sewage.

The invention discloses an initial rainwater discarding device of a rainwater gathering system. The initial rainwater discarding device of the rainwater gathering system comprises a shell, a water inlet passage, and a rainwater discarding passage and a water discharge passage which are separated from each other, a current guide piece, a rotating piece, a first limit piece and a second limit piece are arranged in the shell, an outfall is formed in the water inlet passage, the current guide piece is located below the outfall and provided with a current guide passage, one end of the current guide passage is located above the rainwater discarding passage while the other end is located above the water discharge passage, and the rotating piece is connected with the current guide piece and enables the current guide piece to rotate around an axle center at the middle of the current guide passage; the first limit piece limits the oblique state of the current guide passage towards one end of the rainwater discarding passage, the second limit piece limits the oblique state of the current guide passage towards one end of the water discharge passage, and under the normal state, the current guide passage inclines towards one end of the rainwater discarding passage. The initial rainwater discarding device of the rainwater gathering system does not have power consumption, does not use electricity and power and has advantages of low maintenance cost, good rainwater discarding effect and the like.

A walking assist device includes a hip-joint energy storage mechanism, a wear component for binding a fixed portion of the hip-joint energy storage mechanism to the waist of a user and enabling a rotation center of the hip-joint energy storage mechanism to coincide with a rotation center of a hip joint, and a swinging connection member for connecting a movable portion of the hip-joint energy storage mechanism with a knee-joint rotation assembly, wherein the knee-joint rotation assembly is provided with a calf wearing assembly for facilitating fixing of the knee-joint rotation assembly on a lower leg, and the rotation center of the knee-joint rotating assembly coincides with the rotation center of a knee joint. The walking assist device disclosed by the invention can solve the problems thatexisting walking assist devices are complicated in system, heavy in weight, bad in wear comfort and high in cost, and are not conducive to mass application and the like.

The invention discloses a multi-layer sieve bend, which comprises the sieve bends formed by sieve frames and sieve surfaces, and a feed device, the number of the sieve bends is several, the sieve bends are stacked up and down to form a plurality of layers, predetermined space is formed between two adjacent layers, the feed device comprises a plurality of feed openings with the number the same as that of the sieve bends, the feed opening of each sieve bend is correspondingly connected with one feed opening of the feed device for receiving the material fed by the feed device, and the separated material is respectively discharged by a plus sieve discharge opening and a minus sieve discharge opening. The invention has a sieve surface area increased by at least 50% compared with that of a common sieve bend with the same floor area, and has a processing capacity increased by at least 1.5 times, and synchronously, sieving efficiency is greatly improved, the service life of the sieve surface is greatly prolonged, and the installation and replacement are convenient.

The invention discloses a separated rainwater drainage system tail end floating type filter device which comprises a filter chamber with a water inlet and a water outlet. The filter chamber comprises a drainage channel, a suspended matter separation zone and a silt zone, wherein the drainage channel is used for downwards draining water bodies from the water inlet, the suspended matter separation zone comprises a filter channel of up-flow filtered water bodies and a floating filter layer which is filled into the filter channel, an inlet of the filter channel is communicated with the water outlet end of the drainage channel, an outlet of the filter channel is communicated with the water outlet, the floating filter layer comprises suspended particle filter materials and a fastener used for pressing and fixing the suspended particle filter materials, and the silt zone is located below the suspended matter separation zone and used for collecting impurities filtered by the suspended matter separation zone. According to the separated rainwater drainage system tail end floating type filter device, the structure is simple, the cost is lower, the power is not necessary, maintenance is convenient, suspended matter in the water and other pollutants adhered to the suspended matter can be effectively removed, and the floating filter layer is convenient and thorough to clean.

The invention designs a self-acting device for automatically removing dust on a light receiving surface of a solar product, which is characterized by comprising a fixed mount 8 of a solar photoreceptor, wherein two sides of the fixed mount are provided with two parallel rail slots; the edges at two ends of a belt scraper 4 are provided with roller wheels which are embedded into the rail slots on two sides of the fixed mount; one end of the fixed mount 8 is provided with a heat collecting plate 2, and the middle of the heat collecting plate 2 is connected with a heat conduction pipe 1 which passes through a movable hole 5 of the belt scraper 4 to reach the other end of the fixed mount 8 and then is fixed by a fixed bush 9; a heat-sensitive shape memory alloy spring 3 is arranged between oneend of the heat conduction pipe 1 close to the heat collecting plate and the belt scraper 4; and a return spring 6 is arranged between the other end of the heat conduction pipe 1 and the belt scraper4. Compared with the prior art, the self-acting device has the advantages of simple structure, simple and convenient mounting, omni-directional dust removal, no power supply and low cost. The memoryalloy spring can extend when the temperature changes so as to generate a stroke, and then the memory alloy spring is matched with a common return spring and the heat conduction pipe to form a mechanism driving the belt scrapper to move, and thus the self-acting device can remove the dust on the light receiving surface of the solar product every day by using the temperature difference between day time and night.

The invention discloses a natural gas pipeline network pressure energy recovery method and a device using a piston expander. The device comprises a pipeline device system, a power generating system and an intelligent control system. The pipeline device system comprises a first shutoff valve, a first solenoid valve, an electric regulating valve, an expander, a pressure and temperature balancing device, a reheater, a second solenoid valve and a second shutoff valve. All the components of the pipeline device system are connected through the pipeline between a high pressure pipe network and a low pressure pipe network. The power generating system comprises a gearbox connected with the expander, a generator connected with the gearbox, a power source connected with the generator power output. The intelligent control system comprises a PLC, a first and a second pressure transmitter, a first and a second temperature transmitter and a speed transmitter. The natural gas pipeline network pressure energy recovery method and device using the piston expander not only can increase the comprehensive value of the natural gas, but also can enhance the economy efficiency of a combustion system, possess strong adaptability, and be applicable to the high pressure pipe network with a pressure of larger than 4MPa or a pressure regulation working condition with an expansion ratio higher than 10.

The invention relates to a method for producing silicon carbide powder. Wherein, it is ion deposit method which comprises that: first, in the neutral deionized water whose conductivity is lower than 100, adding 10mu+-0.5 silicon carbide powder, while the macromolecule disperser is 2-5% of silicon carbide powder, and the mixed slurry density is 40-50%, the slurry height is 800cm, the mixing time is 10min; then taking off the bottom slurry; classifying, and washing it with clean water.

The invention relates to a water level and water quality layering control weir of a drainage ditch of a rice field. Three types of five weir plates in different heights are designed according to the characteristics of each growth period of rice; the heights of the five weir plates are determined according to the buried depth of underground water required by the rice in different growth periods; by combining the five weir plates, outlet control weirs in different heights of the drainage ditches can be formed, and the drainage control requirements of rice reviving, early stage of tillering, late stage of tillering, booting stage, tasseling stage, milky ripeness stage, yellow ripening stage and late stage of fertilizing; two hand grabs are arranged on the lateral surface of each weir plate; an arc rubber waterstop band is arranged at the bottom of each weir plate which ensures overall seamless joint water stop among the weir plates; doorframe grooves are arranged on two sides of the drainage ditch; rubber waterstop bands are arranged on two sides in the doorframe grooves; the weir plates can be slidingly taken out or placed into the frame grooves and cannot leak water; two pull rod handles for taking and placing the weir plates are additionally arranged; and rhombus rings of the pull rod handles can be sleeved with hand grabs on the weir plates to place or take out the weir plates from the doorframe grooves on two sides of the drainage ditch. The invention has the advantages that the combined height of the weir plates cannot cause the flooding damage on the rice, can be used for retaining nitrogen, phosphor and other nutrients in the rice field and reducing the pollution of high-concentration nitrogen and phosphor in the drain to a water body. The invention saves the water consumption for irrigation, improves the utilization rate of underground water resources, has favorable waterstop effect among the weir plates and is convenient to manually operate.

The invention discloses a mine 3G communication positioning comprehensive management system which comprises a command and dispatch center, a 3G transmission network, a radio frequency identification (RFID) transmission network, and a gigabit Ethernet ring. The command and dispatch center comprises a core switch, a first convergence switch, a second convergence switch, a network storage device, a database server, a network management comprehensive server, a personnel positioning system server and a vehicle dispatch system server, wherein the network storage device, the database server, the network management comprehensive server, the personnel positioning system and the vehicle dispatch system server are respectively connected with the core switch, the network storage device is connected with the database server, and the command and dispatch center is communicated with a ground base station. The 3G transmission network comprises a wireless base station, an antenna and a communication terminal. The RFID transmission network comprises a landmark trigger and a positioning trigger which are respectively used for triggering the communication terminal to work. The gigabit Ethernet ring is formed by the core switch and a third convergence switch. The mine 3G communication positioning comprehensive management system has the advantages that resources provided by a 3G broadband network are adequately utilized, and functions of wireless communication, personnel positioning, intelligent broadcast, wireless dispatch, vehicle dispatch, wireless data transmission and the like are highly integrated.

The invention discloses a control method of a fluorine-pump primary loop server cabinet heat radiation system. The fluorine-pump primary loop server cabinet heat radiation system comprises a machine room unit and a refrigerant fluorine supplying and returning unit, wherein the refrigerant fluorine supplying and returning unit comprises a circulating power unit and a cooling unit; and the machine room unit, the circulating power unit and the cooling unit are connected in sequence to form closed circulation. The control method of the fluorine-pump primary loop server cabinet heat radiation system achieves short-distance accurate transport of cool air of a cabinet, and solves problems of local overheat and existence of hot spots of the server cabinet; meanwhile, a natural cooling measure is adopted so that heat exchange temperature difference is huge and efficiency is high; and active condensation prevention is adopted, so that the system has the advantages of high reliability, low power consumption and low noise, and satisfies an energy saving and environment protecting concept.