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30results about How to "Full energy saving" patented technology

Vertical centrifugal hydroextractor

The invention discloses a vertical centrifugal hydroextractor, which is used for solid-liquid separation operation in the fields of coal dressing, ore dressing, chemical industry and the like. The vertical centrifugal hydroextractor mainly comprises a housing, a base, an inner rotor, an outer rotor, screen plates, a pin gear drive device, a differential and the like, wherein the outer rotor is equally divided into a plurality of fan-shaped chambers along a circumference; each fan-shaped chamber is provided with a corresponding screen plate which can rotate around an axis of the fan-shaped chamber; the inner rotor consists of a feeding trough, a batching cylinder and a batching trough; the inner rotor and the outer rotor are arranged on an input shaft and an output shaft of the differential respectively; the inner rotor, the outer rotor and the screen plates are in transmission connection through a pin gear drive mechanism; a motor drives the inner rotor and the outer rotor to rotate in a differential way through the differential; materials are delivered from the inner rotor to the outer rotor and subjected to dehydration and dying under the action of centrifugal force; the pin gear drive mechanism controls the screen plates to rotate; and filter cakes are removed by using centrifugal force. The centrifugal hydroextractor has the advantages of fundamentally solving the problem of severe wear, prolonging the service life of parts, such as the screen plates and the like, and saving energy consumption.
Owner:张学骞

Intelligent central air conditioner energy-saving control method and system

The invention discloses an intelligent central air conditioner energy-saving control method and system. The method comprises the following steps that based on environment conditions of each air conditioner area of an air conditioner terminal, temperature-air volume indexes for maintaining the lowest power consumption operation of each air conditioner area are calculated and stored; an air change time table corresponding to each air conditioner area is built and stored, and the fresh air margin of the air conditioner areas is estimated according to the time difference value between the currenttime and the last air change time and the environment conditions of the air conditioner areas; the temperature and set type gas content information at the current time in the air conditioner areas aredetected; the staff density in the air conditioner areas is automatically detected or determined based on user input; and the cold quantity / heat quantity, air change frequency and fresh air volume needed at present in the air conditioner areas are calculated, and the air conditioner terminal equipment is controlled to act. The parameters such as the fresh air volume are determined by detecting the staff number in the air conditioner areas and associated with the per capita heat / cold load and the per capita fresh air volume, the air conditioner areas are prevented from working with full load when not in use, and energy consumption is reduced.
Owner:广东海钦源信息科技有限公司

Integral controller applied to aeration tank for sewage treatment

The invention discloses an integral controller applied to an aeration tank for sewage treatment. The integral controller comprises a central processor and an analog input circuit, an on-off input circuit, a dissolved oxygen control output circuit, a backwash control output circuit, a communication module, a parameter setting key, a keyboard, a display module, a remote fault alarm circuit, a temperature and humidity data acquisition circuit, a calendar clock module, a network interface circuit, an SD card storage module and a power supply module. The integral controller disclosed by the invention realizes control on dissolved oxygen of a blower by a combination mode of relative input parameters such as dissolvent oxygen content, oxidized reduction potential, mixed liquid suspended solid, suspended solid, water temperature, pipeline pressure, air flow rate and the like, simultaneously realizes intelligent control on backwash, and organically combines the two control processes to optimize the treatment, thereby really fulfilling the aims of ensuring water quality and fully saving energy, and the integral controller not only has the characteristics of quite low cost, strong function, high energy conservation and easiness in popularization, but also is convenient to install and debug.
Owner:UNIV OF JINAN

Evaporation cooling and spraying system suitable for bus station waiting area

ActiveCN104613579AImprove the problem of high temperature in the waiting areaComfortable waiting environmentLighting and heating apparatusAir humidification systemsEvaporationSolar power
The invention discloses an evaporation cooling and spraying system suitable for a bus station waiting area. The evaporation cooling and spraying system comprises an evaporation cooling and spraying unit connected with a solar power generating unit and a rainwater recycling unit. According to the evaporation cooling and spraying system suitable for the bus station waiting area, the temperature can be effectively reduced through the spraying type direct evaporation cooling technology, and energy consumption can be effectively reduced through a solar power generating and rainwater recycling and supplying system.
Owner:临沂高新人才教育发展集团有限公司

Sodium sulfate evaporation crystallization device

The invention discloses a sodium sulfate evaporation crystallization device which comprises a first effect evaporation unit, a second effect evaporation unit and a third effect evaporation unit which are connected in sequence, the first effect evaporation unit is connected with a steam input pipe, the third effect evaporation unit is connected with a feeding groove, a gas phase tube of the third effect evaporation unit is connected to a surface condenser, a vacuum pump is arranged on the surface condenser, and the surface condenser and a cooling tower form a cooling loop; evaporation condensate tubes of the second effect evaporation unit, the third effect evaporation unit and the surface condenser are connected to a condensate collection groove, a crystal slurry pipe of the second effect evaporation unit is connected to a cooler crystallizer, a spiral conveyer is arranged at the position of the inlet of the crystal slurry pipe, the output end of the cooling crystallizer is connected to a centrifuge, the centrifuge is provided with a solid salt output end and a mother liquor tube, and the mother liquor tube is connected to a mother liquor tank. The sodium sulfate evaporation crystallization device has the advantages of high crystallization efficiency and low heat energy consumption.
Owner:JIANGSU JIATAI EVAPORATION CRYSTALLIZATION EQUIP

Energy-saving method for stainless strip sulfuric acid refining continuous annealing production line hydraulic stations

The invention discloses an energy-saving method of stainless strip acid cleaning continuous annealing process line fluid-pressure station, which is characterized by the following: comprising the fluid-pressure station as master work pump unit I, assistance work pump unit II, fluid-pressure storage station unit V, pressure checking unit IV and electrical control unit VI; optimal-combining the system to decrease installed capacity of the master work pump I with maximum limit; shortening work time of the assistance work pump II with maximum limit; decreasing open circuit losses of the system; reaching the goal of energy-saving; reaching above 50% of integrated energy-saving effect.
Owner:NINGBO BAOXIN STAINLESS STEEL

Air-cooling cold (hot) water unit experiment device with surface-cooling coil pipe regulation function

ActiveCN102539191AImprove test performanceNo cooling and heating load requiredStructural/machines measurementCooling towerEngineering
The invention belongs to the field of refrigeration equipment product experiment devices and particularly relates to an air-cooling cold (hot) water unit experiment device with a surface-cooling coil pipe regulation function. The equipment device is respectively provided with independent surface-cooling coil pipes in air treatment units arranged at two sides of a machine to be tested, and is provided with a variable frequency circulation pump pipeline communicated with a constant temperature water tank for the surface-cooling coil pipes. Air return parts of condensers arranged at two sides of the machine to be tested are provided with a first air temperature sampler and a second air temperature sampler for measuring the air return dry-bulb temperature, the first air temperature sampler and the second air temperature sampler are respectively and electrically connected with a variable frequency water pump of the corresponding surface-cooling coil pipe through signal wires, further, the variable frequency pump of the corresponding surface-cooling coil pipe can be directly controlled through the air return dry-bulb temperature of the condensers arranged at two sides of the machine to be tested, the stable experiment effect is reached, and the additional cold and hot load investment is not needed. In the air-cooling cold (hot) water unit experiment device, the constant temperature water tank is communicated with a cooling tower system, the stable control of the temperature in the constant temperature water tank can be reached, and the additional electric heating investment is not needed, so the goal of sufficient energy saving is reached.
Owner:HEFEI GENERAL ENVIRONMENT CONTROL TECH

Control system and control method of primary fan with liquid resistance speed regulator

The invention discloses a control system and a control method of a primary fan with a liquid resistance speed regulator, belongs to the technical field of automatic control of the primary fan with the liquid resistance speed regulator and aims to solve the technical problems that the primary fan system of the boiler in the prior art has not been put into automatic control, operates in the manual state all the time and has influences on the stable and economical operation of the boiler. The control system comprises a primary fan inlet baffle control device and a liquid resistance speed regulator control device, wherein the primary fan inlet baffle control device comprises a first function generator and a first adding device; the input end of the first function generator is connected to an input interface A; the output end of the first function generator is connected to a first input end of the first adding device; the liquid resistance speed regulator control device comprises a second function generator and a third adding device; the input end of the second function generator is connected to an input interface B; the output end of the second function generator is connected to a first input end of the third adding device. Through the control system and the control method of the primary fan with the liquid resistance speed regulator, the advantage that the boiler can operate stably and economically can be exerted.
Owner:SHANXI UNIV

Total heat and latent heat recovery type multi-effect vacuum evaporation and concentration device

The invention discloses a total heat and latent heat recovery type multi-effect vacuum evaporation and concentration device. A heating chamber and an evaporation chamber are respectively divided into first-stage and second-stage heating chambers and evaporation chambers, and to-be-evaporated feed liquid is fed into a heated layer of the heating chamber by a pipeline; the upper end of a water reception machine is connected with a steam outlet of the second-stage evaporation chamber, a reflow horizontal pipe is arranged between the lower end of the left side of the water reception machine and the second-stage heating chamber, steam and steam condensation water discharged from the second-stage evaporation chamber and a heating layer of a second-stage heater are subjected to steam-water separation in the water reception machine, so that secondary steam and steam condensation water are obtained; and a steam recycling device comprises a vacuum pump and a circulating pipe, the separated secondary steam is pressurized and pumped in a heating layer of the first-stage heating chamber by the vacuum pump so as to provide all or part of a heat source for the first-stage heating chamber. According to the device, secondary steam produced in the process of heating evaporation is pressurized and pumped in the first-stage heating chamber and is used as all or part of heat of the first-stage heating chamber, so that energy is saved, and the recovery of latent heat in negative-pressure secondary steam is realized, so that circulating cooling water for cooling the secondary steam can be saved.
Owner:重庆海同医药机械设备制造有限公司

Nano intermetallic compound dispersion strengthened high-conductivity wear-resistant copper alloy and manufacturing method and application thereof

The invention discloses a nano intermetallic compound dispersion strengthened high-conductivity wear-resistant copper alloy and a manufacturing method and application thereof. The copper alloy comprises the following components of, by mass, 4%-8% of Sn, 1.5%-4% of Ni, 0.05%-0.6% of Ag, 0.07%-0.2% of rare earth elements, 1.48%-2.43% of Zn, 3.52%-7.57% of X and the balance Cu, wherein the X is any one or more of Al, Mn, Sc and B, the rare earth elements at least comprise Ce, La and Y, the mass percentage ratio of the rare earth elements to the Sn is 1: (40-55), and the mass percentage ratio of the Ce to the La to the Y is (0.2-0.5): 1: (0.1-0.35). The copper alloy can be applied to a high-speed train motor rotor friction disc. The copper alloy has good wear resistance and electrical conductivity.
Owner:NANJING INST OF TECH

Stacking energy-saving water tank of automatic circulation pipe network

The invention relates to a stacking energy-saving water tank of an automatic circulation pipe network, comprising an electro connecting pressure gauge and a pipe network stacking intake mechanism. One end of the electro connecting pressure gauge is connected with municipal tap water, and the other end of the electro connecting pressure gauge is connected with one end of the pipe network stacking intake mechanism and a bypass pipeline; the pipe network stacking intake mechanism comprises two groups of tee joint electrically operated valves connected in series, the other end of one group of the tee joint electrically operated valves is connected with an outlet of a water tank, and the other end of the other group of the tee joint electrically operated valves is connected with the other end of the electro connecting pressure gauge; the third end of one group of the tee joint electrically operated valves and the third end of the other group of the tee joint electrically operated valves are respectively connected with a telemetering pressure gauge and a stabilized tank by the water effluent ends of a variable-frequency pressurized main pump assembly and connected with effluent pipes of users. The stacking energy-saving water tank of an automatic circulation pipe network also comprises a variable-frequency stabilized small pump assembly, one end of variable-frequency stabilized small pump assembly is connected with the other end of the electro connecting pressure gauge, and the other end of the variable-frequency stabilized small pump assembly is connected with the telemetering pressure gauge and the stabilized tank and connected with the effluent pipes of the users. The invention achieves the full energy-saving effect.
Owner:上海开利制泵有限公司

Refrigerator and refrigerating system thereof

The invention provides a refrigerator and a refrigerating system thereof. The refrigerating system comprises a compressor, an evaporator and a condenser, the condenser comprises a first condensation pipe and a second condensation pipe, and the refrigerating system is configured in the mode that when the environment temperature of the refrigerator is within a first preset temperature range, an outlet of the first condensation pipe communicates with an inlet of the evaporator, so that a refrigerant discharged from an outlet of the compressor enters the evaporator through condensation of the first condensation pipe, the flow on-way resistance of the refrigerant is small, the power loss of the compressor is smaller, and energy saving is facilitated; and the refrigerating system is further configured in the mode that when the temperature of the environment where the refrigerator is located is within a second preset temperature range, an outlet of the first condensation pipe communicates with an inlet of the second condensation pipe, and an outlet of the second condensation pipe communicates with an inlet of the evaporator, so that refrigerant discharged from the outlet of the compressor is condensed by the first condensation pipe and the second condensation pipe in sequence and enters the evaporator, it is guaranteed that the refrigerant is fully cooled to be in a liquid state in the high-temperature environment, and the refrigeration efficiency of the refrigerator is guaranteed.
Owner:QINGDAO HAIER REFRIGERATOR CO LTD +1

Tunnel reinforcing section illumination control system and method based on vehicle real-time position monitoring

The invention discloses a tunnel reinforcing section illumination control system and method based on vehicle real-time position monitoring. The system is characterized in that a brightness informationacquisition unit acquires the brightness information outside a tunnel; a vehicle information acquisition unit acquires the vehicle speed information, the traffic volume and the vehicle position information; a fuzzy logic calculation module calculates an illumination intensity level of a tunnel reinforcing section according to the vehicle speed information, the traffic volume and the brightness information; a control center generates a corresponding dimming instruction according to the vehicle position information and the illumination intensity level of the tunnel reinforcing section, a dimming control center issues a specific dimming level and the dimming loop information to a corresponding dimming controller, and the dimming controller converts the corresponding instruction into a corresponding pulse signal to adjust an illumination level of lamps controlled by the dimming controller. The control system is advantaged in that the lamp brightness within the vehicle sight distance rangecan be accurately adjusted and controlled according to the vehicle position, the control method can improve pertinence and accuracy of illumination on the premise that tunnel driving safety is guaranteed, and the purpose of sufficient energy saving is achieved.
Owner:SOUTHWEST JIAOTONG UNIV +3

High-definition array microphone audio and video module and system

The invention discloses a high-definition array microphone audio and video module and system, relates to the technical field of audio and video, and solves the technical problem that the output audio and video do not conform to the preference of a user. The audio data is transmitted to the data processor to be processed, the data processor obtains playing ratios according to the playing duration and the total duration, the playing ratios are subjected to discrete processing, the playing ratios which do not conform to discrete classification are removed, then the playing ratios and the playing times in the discrete rule are subjected to mean value processing, and the audio data are obtained. The method comprises the following steps of: obtaining a corresponding playing ratio mean value and a section mean value, processing according to the playing ratio mean value and the section mean value to obtain a memory processing value, carrying out partition processing on different types of audios and videos according to the memory processing value, and when the audios and videos are used, the audios and videos in a first priority partition accord with the preferences of users. The audio and video in the first priority partition are randomly output, so that the use experience of users is improved, and the use effect of the whole equipment is improved.
Owner:深圳市永吉星光电有限公司

Efficient deodorization method for rice bran oil

The invention provides an efficient rice bran oil deodorization method, which comprises the following steps: S1, carrying out heat exchange on rice bran oil to be deodorized by using steam condensate,heating to 50 DEG C, then heating to 120 DEG C by using steam, and carrying out temporary storage and degassing; S2, performing heat exchange on the rice bran oil degassed in the step S1 through a first heat exchanger, pumping the rice bran oil into a deodorization tower through a first shield pump, and heating the rice bran oil to 200 DEG C by steam; S3, inputting heat conduction oil into the deodorization tower, heating to 250 DEG C, and deodorizing in the deodorization tower; S4, enabling the qualified deodorized rice bran oil to enter the bottom of the deodorization tower, and performingheat exchange between the qualified deodorized high-temperature rice bran oil and the rice bran oil to be deodorized, so as to reduce the temperature of the qualified deodorized rice bran oil; and S5,after the rice bran oil in the step S4 passes through cooling water and the temperature of the rice bran oil is lower than 30 DEG C, conveying the rice bran oil into a crystallizing tank to obtain deodorized rice bran oil. Through a self-designed heat exchange scheme and the deodorization tower, heat is fully utilized.
Owner:安徽谷天下食品有限公司

Primary fan control system with liquid resistance governor and control method thereof

The invention discloses a control system and a control method of a primary fan with a liquid resistance speed regulator, belongs to the technical field of automatic control of the primary fan with the liquid resistance speed regulator and aims to solve the technical problems that the primary fan system of the boiler in the prior art has not been put into automatic control, operates in the manual state all the time and has influences on the stable and economical operation of the boiler. The control system comprises a primary fan inlet baffle control device and a liquid resistance speed regulator control device, wherein the primary fan inlet baffle control device comprises a first function generator and a first adding device; the input end of the first function generator is connected to an input interface A; the output end of the first function generator is connected to a first input end of the first adding device; the liquid resistance speed regulator control device comprises a second function generator and a third adding device; the input end of the second function generator is connected to an input interface B; the output end of the second function generator is connected to a first input end of the third adding device. Through the control system and the control method of the primary fan with the liquid resistance speed regulator, the advantage that the boiler can operate stably and economically can be exerted.
Owner:SHANXI UNIV

Integral controller applied to aeration tank for sewage treatment

The invention discloses an integral controller applied to an aeration tank for sewage treatment. The integral controller comprises a central processor and an analog input circuit, an on-off input circuit, a dissolved oxygen control output circuit, a backwash control output circuit, a communication module, a parameter setting key, a keyboard, a display module, a remote fault alarm circuit, a temperature and humidity data acquisition circuit, a calendar clock module, a network interface circuit, an SD card storage module and a power supply module. The integral controller disclosed by the invention realizes control on dissolved oxygen of a blower by a combination mode of relative input parameters such as dissolvent oxygen content, oxidized reduction potential, mixed liquid suspended solid, suspended solid, water temperature, pipeline pressure, air flow rate and the like, simultaneously realizes intelligent control on backwash, and organically combines the two control processes to optimize the treatment, thereby really fulfilling the aims of ensuring water quality and fully saving energy, and the integral controller not only has the characteristics of quite low cost, strong function, high energy conservation and easiness in popularization, but also is convenient to install and debug.
Owner:UNIV OF JINAN

Vertical centrifugal hydroextractor

The invention discloses a vertical centrifugal hydroextractor, which is used for solid-liquid separation operation in the fields of coal dressing, ore dressing, chemical industry and the like. The vertical centrifugal hydroextractor mainly comprises a housing, a base, an inner rotor, an outer rotor, screen plates, a pin gear drive device, a differential and the like, wherein the outer rotor is equally divided into a plurality of fan-shaped chambers along a circumference; each fan-shaped chamber is provided with a corresponding screen plate which can rotate around an axis of the fan-shaped chamber; the inner rotor consists of a feeding trough, a batching cylinder and a batching trough; the inner rotor and the outer rotor are arranged on an input shaft and an output shaft of the differential respectively; the inner rotor, the outer rotor and the screen plates are in transmission connection through a pin gear drive mechanism; a motor drives the inner rotor and the outer rotor to rotate in a differential way through the differential; materials are delivered from the inner rotor to the outer rotor and subjected to dehydration and dying under the action of centrifugal force; the pin gear drive mechanism controls the screen plates to rotate; and filter cakes are removed by using centrifugal force. The centrifugal hydroextractor has the advantages of fundamentally solving the problem of severe wear, prolonging the service life of parts, such as the screen plates and the like, and saving energy consumption.
Owner:张学骞

Energy saving gas furnace head

The invention relates to an energy saving gas furnace head. An outer casing is sleeved outside an inner casing, a cavity is formed between the outer casing and the inner casing, an air intake hole is formed at the bottom of the outer casing, air discharging holes are formed on the side wall of the inner casing, a jet head with a plurality of vent holes is mounted at the bottom inside the inner casing, the lower end part of the jet head penetrates through the bottom of the inner casing, a connecting seat connected with the lower end part of the jet head is arranged at the bottom of the inner casing, the inner chamber of the connecting seat is communicated with the vent holes of the jet head, an air supply pipe penetrating into the outer casing extends into the connecting seat, a fire blocking cover is located at the upper end opening of the outer casing, and an opening is formed in the middle of the upper wall of the fire blocking cover. Due to the arrangement of the fire blocking cover, the detention time of gas burning inside the inner casing can be prolonged, further the burning of the gas is sufficient, and the effect of sufficient energy conservation can be achieved. The energy saving gas furnace head has a reasonable structure and is reliable to use, and has the characteristics of sufficient energy conservation and strong burning flame.
Owner:蚌埠市添利厨房设备有限公司

Valveless filter and water treatment device using the valveless filter

The invention discloses a novel valveless filter and a water treatment device, and relates to the technical field of water treatment. Among them, a new type of valveless filter, the filter body and the backwash pump, the bottom of the filter body is provided with filter sand, and the side wall of the filter body away from the filter sand is provided with a water inlet to be filtered and a backwash water outlet. There is a non-return piece at the filter water inlet, and the backwash outlet is connected to the external mechanism; the backwash pump is provided with a water suction port and a water outlet, the water suction port is connected to the external container carrying clean water, and the water outlet is connected to a filter tube. The end of the filter tube away from the water outlet is provided with a filter cap and extends into the filter sand inside the filter main body. The above scheme removes the valve structure in the prior art, and reuses the outlet of the existing filtered clean water and the water inlet of the backwash clean water, simplifies the filter structure, and helps to realize the new valveless filter. It is miniaturized, realizes the operation under the liquid, is easy to operate, and fully guarantees the filtration capacity of the filter.
Owner:SHANGHAI ZTEC ENVIRONMENTAL S & T CO LTD +1

Intelligent central air-conditioning energy-saving control method and system

The invention discloses an intelligent central air conditioner energy-saving control method and system. The method comprises the following steps that based on environment conditions of each air conditioner area of an air conditioner terminal, temperature-air volume indexes for maintaining the lowest power consumption operation of each air conditioner area are calculated and stored; an air change time table corresponding to each air conditioner area is built and stored, and the fresh air margin of the air conditioner areas is estimated according to the time difference value between the currenttime and the last air change time and the environment conditions of the air conditioner areas; the temperature and set type gas content information at the current time in the air conditioner areas aredetected; the staff density in the air conditioner areas is automatically detected or determined based on user input; and the cold quantity / heat quantity, air change frequency and fresh air volume needed at present in the air conditioner areas are calculated, and the air conditioner terminal equipment is controlled to act. The parameters such as the fresh air volume are determined by detecting the staff number in the air conditioner areas and associated with the per capita heat / cold load and the per capita fresh air volume, the air conditioner areas are prevented from working with full load when not in use, and energy consumption is reduced.
Owner:广东海钦源信息科技有限公司

Highway light control system based on Internet of Things

The invention discloses a highway light control system based on the Internet of Things. The highway light control system comprises a master control server, and a vehicle sensing module, a positioningsensing module, an illumination control module, an associated input module, an environment sensing module and an intensity adjusting module which are connected with the master control server. On-off and illumination brightness of tunnel illumination light are controlled by combining the driving condition of an automobile, daytime brightness and weather light intensity conditions, and the system issimple in structure, sensitive and reliable in performance, sufficient in energy conservation and particularly suitable for remote mountainous regions, small in traffic flow, multiple and long in tunnel and large in tunnel illumination energy consumption.
Owner:马鞍山揽月工业设计工作室

Air-cooling cold (hot) water unit experiment device with surface-cooling coil pipe regulation function

ActiveCN102539191BImprove test performanceNo cooling and heating load requiredStructural/machines measurementCooling towerEngineering
The invention belongs to the field of refrigeration equipment product experiment devices and particularly relates to an air-cooling cold (hot) water unit experiment device with a surface-cooling coil pipe regulation function. The equipment device is respectively provided with independent surface-cooling coil pipes in air treatment units arranged at two sides of a machine to be tested, and is provided with a variable frequency circulation pump pipeline communicated with a constant temperature water tank for the surface-cooling coil pipes. Air return parts of condensers arranged at two sides of the machine to be tested are provided with a first air temperature sampler and a second air temperature sampler for measuring the air return dry-bulb temperature, the first air temperature sampler and the second air temperature sampler are respectively and electrically connected with a variable frequency water pump of the corresponding surface-cooling coil pipe through signal wires, further, the variable frequency pump of the corresponding surface-cooling coil pipe can be directly controlled through the air return dry-bulb temperature of the condensers arranged at two sides of the machine to be tested, the stable experiment effect is reached, and the additional cold and hot load investment is not needed. In the air-cooling cold (hot) water unit experiment device, the constant temperature water tank is communicated with a cooling tower system, the stable control of the temperature in the constant temperature water tank can be reached, and the additional electric heating investment is not needed, so the goal of sufficient energy saving is reached.
Owner:HEFEI GENERAL ENVIRONMENT CONTROL TECH

Stacking energy-saving water tank of automatic circulation pipe network

The invention relates to a stacking energy-saving water tank of an automatic circulation pipe network, comprising an electro connecting pressure gauge and a pipe network stacking intake mechanism. Oneend of the electro connecting pressure gauge is connected with municipal tap water, and the other end of the electro connecting pressure gauge is connected with one end of the pipe network stacking intake mechanism and a bypass pipeline; the pipe network stacking intake mechanism comprises two groups of tee joint electrically operated valves connected in series, the other end of one group of thetee joint electrically operated valves is connected with an outlet of a water tank, and the other end of the other group of the tee joint electrically operated valves is connected with the other end of the electro connecting pressure gauge; the third end of one group of the tee joint electrically operated valves and the third end of the other group of the tee joint electrically operated valves arerespectively connected with a telemetering pressure gauge and a stabilized tank by the water effluent ends of a variable-frequency pressurized main pump assembly and connected with effluent pipes ofusers. The stacking energy-saving water tank of an automatic circulation pipe network also comprises a variable-frequency stabilized small pump assembly, one end of variable-frequency stabilized smallpump assembly is connected with the other end of the electro connecting pressure gauge, and the other end of the variable-frequency stabilized small pump assembly is connected with the telemetering pressure gauge and the stabilized tank and connected with the effluent pipes of the users. The invention achieves the full energy-saving effect.
Owner:上海开利制泵有限公司

A device for repairing large r-angles

The invention provides an R corner too large size repairing device. The R corner too large size repairing device comprises a base plate and further comprises a product fixing assembly and a grinding wheel grinding assembly which are arranged on the base plate. The product fixing assembly comprises a product containing groove and a rotation disc which are arranged up and down and fixedly connected,and notches are formed in the four R corner positions of the product containing groove. The grinding wheel grinding assembly comprises at least two grinding wheel grinding pieces arranged at the twoR corner notches in the diagonal line direction of the product containing groove. Each grinding wheel grinding piece comprises a sliding rail, a sliding piece arranged on the sliding rail in a slidingmanner, a grinding wheel and a movable connecting piece, wherein the sliding rail is horizontally arranged on the base plate and is arranged towards the corresponding R corner notch in the length direction, the grinding wheel is arranged on the side, close to the corresponding R corner notch, of the sliding piece, and the movable connecting piece is used for adjusting the grinding thickness of the grinding wheel and making the grinding wheel tightly pressed on the corresponding product R corner. By means of the R corner too large size repairing device, the two R corners, in the diagonal linedirection, of a product can be repaired at the same time, repairing of R corners of multiple products can be achieved as well, and the qualification rate reaches up to 100%.
Owner:LENS TECH CHANGSHA

Manufacturing method and application of nano intermetallic compound dispersion strengthened copper alloy

The invention discloses a manufacturing method and application of nano-intermetallic compound dispersion strengthened copper alloy. The composition and mass percentage of the copper alloy are as follows: Sn: 4-8%, Ni: 1.5-4%, Ag: 0.05-0.6%, rare earth elements : 0.07~0.2%, Zn: 1.48~2.43%, X: 3.52~7.57%; wherein, X is any one or more of Al, Mn, Sc, B; rare earth elements include at least Ce, La and Y; The mass percentage of rare earth elements and Sn is 1:(40~55); the mass percentage of Ce, La and Y is (0.2~0.5):1:(0.1~0.35), and the balance is Cu. The copper alloy can be used in friction discs of high-speed train motor rotors. The copper alloy of the invention has good wear resistance and electrical conductivity.
Owner:NANJING INST OF TECH
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