156results about How to "Guaranteed energy" patented technology

The invention relates to a production method for grinding steel-iron slag powder, mineral slag powder and steel slag powder by using a vertical mill. The innovation points comprise that the same vertical mill is employed for independently grinding steel-iron slag powder, mineral slag powder and steel slag powder, steel slag tailings obtained in the steel-slag processing and metal recovery processing step and mineral slag obtained in the mineral-slag metal-removal pretreatment step are sent into the vertical mill according to the ratio of 2-4:8-6, and then a step of using the vertical mill to grind steel and iron slag powder and a step of performing magnetic separation on a recycled material of the vertical-mill ground steel and iron slag powder to remove iron and performing closed cycling are executed, so that the technology of using the vertical mill to grind steel and iron slag powder is realized. The method helps to simplify conventional production steps of steel and iron slag powder, improve the uniformity of the steel and iron slag powder and reduce production energy consumption and cost. The production method is capable of realizing sharing of most of equipment while realizing recovery and reutilization of resource by using the same vertical mill to respectively grind steel and iron slag powder, mineral powder and steel slag powder, so that the utilization rate of equipment and resource are substantially improved, and the manufacturing cost is reduced.

The invention discloses a device for adjusting the direction of under-arch secondary air of a W-shaped flame furnace. More than two guide blades (1) are connected with each other through a connection hinge (2), a rotation shaft (3) is arranged on each guide blade (1), the guide blades (1) are arranged between an orifice plate (5) and a water-cooling wall pipe (6) of an under-arch secondary air chamber (4) of the W-shaped flame furnace, an adjusting arm (7) is arranged on one of the guide blades (1), and a pull rod (8) is connected with the adjusting arm (7). The device can set different under-arch secondary air inclination angle according to different conditions of each burner and can adjust the under-arch secondary air inclination angle to adapt to different areas (altitudes) and different coal qualities. Under proper lower inclination angle of the under-arch secondary air, the undershoot stroke of the flame and the coal retention time are increased remarkably, and the flame filling degree and uniformity in the lower furnace are improved remarkably, thus effectively improving the burn-out rate of pulverized coal and saving energy resource by about 30 to 50%.

The invention relates to a vertical greening device and an automatic water circulation system thereof. The automatic water circulation system comprises a water tank arranged at the bottom of the vertical greening device, a water pump arranged inside the water tank and a circulating type water supply pipeline arranged above the water tank, the water supply pipeline comprises a vertically-arranged water supply section and an irrigation section, the irrigation section is arranged inside the vertical greening device, is distributed in an S shape from top to bottom, and is provided with water dripping holes for dripping water to the vertical greening device; the automatic water circulation system comprises a controller and humility sensors, the controller controls the operating state of the water pump according to the information detected by the humidity sensors so as to water the plants timely according to the humidity information and to avoid over-watering, so that water sources are fully saved under the condition that water requirements of the growth of the plants are guaranteed, water and soil loss can be prevented, and the healthy survival of the plants in a life cycle can be guaranteed.

The invention provides an oral cavity scanner. The oral cavity scanner comprises an image capture device, a first polarization element, a second polarization element, a reflector, a quarter-wave plate and a projection and image acquisition lens set. The projection and image acquisition lens set comprises a first lens and a second lens. When entering a first face, a projection light beam penetrates through the first face and a second face in sequence, enters a third face through the first lens and the second lens in sequence after coming out of the second face, then enters the reflector after penetrating through the third face and a fourth face in sequence and penetrates through the fourth face, the third face and the quarter-wave plate in sequence after being reflected by the reflector to form a first light beam; the first light beam enters an object to be measured and penetrates through the quarter-wave plate after being reflected by the object to be measured to form an image acquisition light beam; the image acquisition light beam enters the third face, enters the projection and image acquisition lens set after being reflected by the third face, enters the second face after passing through the second lens and the first lens in sequence and enters the image capture device after being reflected by the second face so that the image capture device can acquire an image of the object to be measured.

The invention relates to a method for searching an optimal pilot length and a power division factor in a point-to-point MISO SWIPT system, comprising the following steps of: (1) performing uplink channel estimation by a first time slot TauT, namely sending a pilot training sequence by a receiving end, and performing channel estimation based on the minimum mean square error MMSE by a sending end; (2) performing downlink information and energy transmission by a second time slot (1-Tau)T; (3) analyzing channel estimation errors; (4) modeling and analyzing problems; and (5) searching the optimal pilot length and power division factor. The invention analyzes the joint optimization between the length of the pilot sequence performing the channel estimation and the power division factor of the receiving end, thereby obtaining the optimal pilot length enabling the system to reach the maximum rate, and corresponding power division factor.

The invention discloses a femtosecond laser device based on single cladding neodymium optical fibers and a ring cavity and a manufacturing method. The femtosecond laser device comprises a cavity part and a space optical path part, wherein the cavity part comprises 808 nm single mode semiconductor optical pumps (1), 808 nm optical fiber type single mode isolators (2), 808 / 920 nm wavelength division multiplexers (3), a single cladding neodymium-doped gain optical fiber (4) and 920 nm optical fiber collimators (5); the space optical path part comprises a low-pass dichroscope (6), 920 nm 1 / 4 wave plates (7), 920 nm polarization beam splitter prisms (8), a 920 nm Faraday optical rotation device (9), 920 nm 1 / 2 wave plates (10) and a birefringence filtering piece (11). Mode locking potential of the neodymium-doped optical fiber is explored between 900 nm and 920 nm, on the premise that single pulse energy is guaranteed, light-light conversion efficiency is improved, and meanwhile the laser device provides a better light source facilitating integration for an integrated two-photon fluorescence microscope.

The invention relates to a liquid circulation processing device and a liquid circulation processing method for bast fibers. The method comprises the following steps of: 1) hanging the bast fibers or yarns in bunches on an extension bar of a yarn hanging device in parallel; 2) serially connecting a plurality of yarn hanging devices, and putting the yarn hanging devices in a main vat; 3) adding chemical agents into the main vat through an auxiliary vat, and opening a main pump and a heat exchange device; and 4) after treatment fluid is pumped into a hollow column of each yarn hanging device, spraying the treatment fluid on the bast fibers or yarns through holes on each extension bar and spraying holes on each extension bar. The device used by the liquid circulation processing method for the bast fibers and yarns is characterized by comprising a barrel-shaped main vat; the yarn hanging devices are arranged inside the main vat; the main pump is arranged outside the main vat; a water inlet of the main pump is connected with a water outlet of the main vat; a water outlet of the main pump is connected with the heat exchange device; a water outlet of the heat exchange device is connected with a water inlet of each yarn hanging device inside the main vat; and the auxiliary vat is arranged outside the main vat. The liquid circulation processing device and the liquid circulation processing method for the bast fibers can be widely applied to degumming, washing, bleaching and dyeing the bast fibers, scouring, dyeing, bleaching and washing the yarns, and other processes.

The invention discloses an ultrasonic longitudinal and shear wave-resistivity integrated type probe for a rock physical experiment as well as a preparation method and a using method of the ultrasonic longitudinal and shear wave-resistivity integrated type probe. The integrated type probe comprises a probe substrate-resistivity measurement electrode (1) and a sound insulation sleeve body which covers the top of the probe substrate-resistivity measurement electrode; four longitudinally stacked copper foil electrodes (2) are adhered to the top of the probe substrate-resistivity measurement electrode (1) from bottom to top; a shear wave piezoelectric ceramic piece Sh (3), a longitudinal wave piezoelectric ceramic piece P (4) and a shear wave piezoelectric ceramic piece Sv (5) are adhered among the adjacent copper foil electrodes (2) respectively; the four copper foil electrodes (2) are in solder connection with an Sh negative / resistivity electrode end line (6), an Sh positive / P negative electrode end line (7), a P positive / Sv negative electrode end line (8) and an Sv positive electrode end line (9) respectively; and the electrode end lines penetrate to the outer part of the sound insulation sleeve body. The ultrasonic longitudinal and shear wave-resistivity integrated type probe can simultaneously measure a longitudinal wave speed, two shear wave speeds and resistivity of a rock sample, so that the experiment efficiency is greatly improved.

The invention relates to a distributed environment monitoring system based on WIFI (Wireless Fidelity) and belongs to the technical field of embedded wireless monitoring. The system comprises a wireless monitoring terminal. The system acquires parameters of the ambient environment by technologies of RS485 bus, analog / digital (A / D) conversion and the like, transmits data to a remote server by a WIFI technology with high transmission speed and strong anti-jamming ability and acquires the maximum energy of a solar battery panel by a maximum power point tracking technology to supply power for the system. The received data stream of extensive makeup language (XML) is analyzed by an environment monitoring center server, stored in a database and presented to an administrator clearly and quickly by a Java sever page (JSP), so that the administrator can control the change condition of the environment factor in real time. The system effectively solve the problems of wiring difficulty, high cost, short transmission distance and manual monitoring insufficiency in the environment monitoring process, obviously improves the operation efficiency of the system, facilitates maintenance of the system, and provides a stable high-efficiency operating platform for the environment monitoring work with widely distributed nodes and complex geographical environment.

The invention discloses a method for selectively activating main beneficial bacteria in an oil deposit and keeping high concentration. In the method, through continuous and alternate injection of different selective nutrient solution slugs and addition of auxiliary emulsifying bacteria and composite nutrients into the different slugs, microbial activations and crude oil acting effects in different stages are intensified. The auxiliary bacteria promote hydrocarbon oxidizing bacteria to emulsify crude oil ahead of time, and the composite nutrients increase the growth rates and the metabolite concentrations of fermenting bacteria and methanogenses, so that oil / water interfacial properties are improved, the swept volume of an injected fluid is increased, and further the crude oil recovering rate is improved; in the method, growth and metabolism data of the main oil recovering florae under the condition of different optimal formulae and the injection amounts of different main nutrient solution slugs are provided, and a proper oil deposit condition and the minimum scale are provided; the method is applied to Dongxin oilfield on site, and application results show that the method has a relatively good effect of controlling the number of microbes and the metabolite concentration, and has significant staged oil increasing and water reducing effects.

The invention discloses a novel multi-pipe external-heating revolving activation furnace, and solves the problems of poor activating effect, low yield, easy fracture and the like in the conventional revolving activation furnace. The activation furnace comprises a furnace body, a drive device, a discharge device, a heating furnace, a funnel and the like, wherein the furnace body consists of a plurality of heat-resisting seamless stainless steel pipes and cylinders positioned at the two ends; shovelling plates and steam pipes are arranged in the heat-resisting seamless stainless steel pipes; one end of the furnace body is connected with a feeding / exhaust device through a sealing device; and the other end is connected with the discharge device. The novel multi-pipe external-heating revolving activation furnace stops dangerous elements such as welding stress, changes the phenomenon of overmuch coal material accumulation so that coal materials can be uniformly distributed in a plurality of activation pipes, enlarges the heating area of the coal materials, completely collects and recycles combustible gases produced during the activation, protects the environment, saves energy, has a simple structure, and can greatly prolong a manufacturing cycle and reduce processing cost.

The invention discloses a novel cage supporting device of a steel reinforcement cage seam welder. The steel reinforcement cage seam welder is characterized in that a base is fixed on a rack, a lifting driving device is mounted on the base, is hinged to and drives one end of a supporting rod, the supporting rod is hinged on the base, the other end of the supporting rod is hinged to the cage supporting device, a steel reinforcement cage position detecting device is mounted on the cage supporting device, the lifting driving device comprises a lifter which is hinged on the base, a connecting shaft of the lifter is connected with a rotating driving mechanism, a screw of the lifter is hinged to one end of the supporting rod, the cage supporting device comprises a first supporting roller and a second supporting roller which support a steel reinforcement cage and are arranged at an interval, both the first supporting roller and the second supporting roller are hinged on a roller frame in a support manner, the bottom of the roller frame is fixed on a cross beam, and the bottom of the cross beam is hinged to the other end of the supporting rod. The novel cage supporting device has the advantages that a motor is adopted to drive a chain wheel to transmit power to the lifter, the lifter drives the supporting rod to support the steel reinforcement cage up, and the novel cage supporting device is small in occupied area, low in cost, safe and capable of preventing environmental pollution and saving energy resources.

The invention discloses an ultra-violet LED face light source for a PCB exposure machine. The ultra-violet LED face light source comprises a plurality of water-cooling type ultra-violet LED lamp box units, wherein each water-cooling type ultra-violet LED lamp box unit comprises M*N ultra-violet LED lamp beads arranged on an element installation face of a copper substrate and arranged into a matrix structure, all the ultra-violet LED lamp beads are in series connection, each ultra-violet LED lamp bead is covered with a reflection cup, all the reflection cups are arranged on a reflection cup installation plate, the reflection cup installation plate is connected with the element installation face of the copper substrate, a unit water tank is arranged on the water passing face, opposite to the element installation face, of the copper substrate, and a temperature controller is arranged on the unit water tank. The ultra-violet LED face light source for the PCB exposure machine is remarkable in energy-saving effect, large in exposure area, far in exposure distance and high in energy uniformity. The light source is stable and reliable, performance is far more superior than a traditional light source, is low in cost and free of pollution and radiation, and can completely replace the traditional light source.

The invention provides a brushless direct-current motor regenerative braking system adopting a single-current sensor. Part of energy can be effectively saved in the regenerative braking manner under the condition that electric vehicles are braked frequently when driven on actual roads, however, the maximum charging current of a storage battery is usually limited, traditional braking energy is usually recovered in a simple open-loop control manner, a single voltage closed-loop control manner or a motor phase current closed-loop control manner, and the braking energy cannot be recovered as much as possible. The system solves a technical problem and converts kinetic energy of a vehicle into electric energy as much as possible through motor armature current and returned storage battery current double closed loop control in a braking energy regeneration manner to return the electric energy to the storage battery, and the driving mileage of the electric vehicle is increased to the largest extent.

The invention discloses a method for controlling an electrolytic cell under low-voltage production. The method comprises the following logical steps of: 1, after a cell control machine checks an anode replacement command, automatically lifting an anode for 1.5 seconds, complementing energy in advance, and checking whether the anode is replaced completely by voltage change, and after the replacement of the anode is finished, performing anode-replacement-post additional control to ensure that the concentration of alumina is 1.5 to 2.5 percent; 2, in a process of controlling the concentration of alumina, when the cell control machine detects that voltage is increased during over-processing, and the voltage is reduced during under-processing, timely correcting to ensure that the concentration of alumina is recovered to be in a normal control area, namely the concentration of alumina is 1.5 to 2.5 percent; and after the concentration of alumina is recovered to be in the normal control area, adjusting target voltage to target voltage required when the concentration is abnormal, and performing normal control. The concentration of alumina is controlled in a whole process, so the energy compensation of the electrolytic cell, and the normal concentration of alumina are guaranteed.

The invention is suitable for the field of communication base station air-conditioners and provides method and system for controlling the energy saving of a communication base station air-conditioner and the communication base station air-conditioner, wherein the method is achieved by embedding software and / or hardware in a control device of the prior base station air-conditioner. By the software and / or the hardware, a working mode of the base station air-conditioner is limited to a refrigerating mode after system initialization; the wind speed is limited to a high-wind mode; the preset optimal default working temperature is 28 DEG C, and the temperature can automatically return after being manually regulated and timed in advance; in the operation process of the base station air-conditioner, the base station air-conditioner is automatically powered off when the room temperature of a base station is lower than the preset power-off temperature (such as 22 DEG C); the base station air-conditioner is automatically powered on when the room temperature is higher than the preset power-on temperature (such as 28 DEG C); for the base station air-conditioner in cold regions, the preset power-off temperature and the preset power-on temperature are a constant value which is lower than the outdoor subzero temperature, therefore, the possible requirements of reducing the energy consumption of the base station air-conditioner and guaranteeing the temperature regulation after seasonal power-off are achieved.

The invention discloses a hydraulic system of a wide-body dump truck. The hydraulic system is characterized by consisting of a hydraulic oil tank, an engine, a power steering pump, a high pressure filter, a reversing valve, an energy accumulator, a cooling pipeline, a steering gear, a steering actuation cylinder, a gearbox PTO, a lifting pump, an oil return filter, a lifting cylinder, an air control reversing valve and a connecting pipeline; the power steering pump is connected with the engine, and the lifting pump is connected to the gearbox PTO through a transmission shaft; the power steering pump is connected to the reversing valve after passing through the high pressure filter; two oil passages are formed after passing through the reversing valve, one oil passage is connected to the energy accumulator and the steering gear to supply oil to a steering system, and the other oil passage is connected with the air control reversing valve after passing through the cooling pipeline and supplies oil to a hydraulic lifting system; and emergency steering is realized, the safety is improved, the oil temperature of the hydraulic system is significantly reduced, and the cleanliness of the hydraulic oil is improved.

The invention relates to an automotive solar energy and engine waste heat dual-energy refrigeration air conditioner, in particular to an air conditioner device by comprehensively using solar energy and automotive engine waste heat. The air conditioner comprises an absorber, a solution pump, a low-temperature heat exchanger, a high-temperature heat exchanger, a high-pressure generator, a low-pressure generator, a condenser, an evaporator, a refrigerant pump and an air-cooling radiator, and is characterized by also comprising an interior heat exchanger connected with a heat exchange coil arranged in the evaporator, a heat energy storage which is connected and exchanges heat with the high-pressure generator through a heat-transfer pipe and a heat pump arranged in the heat-transfer pipe. Solar energy collected by a solar energy thermal collector arranged on the top of an automobile and engine waste heat collected from engine exhaust pipe and engine radiation water tank input heat into the inside of the heat energy storage through pipelines. The refrigeration part of the air conditioner uses water as a refrigerant and a solution of lithium bromide as an absorbent for refrigeration. The air conditioner reasonably uses solar energy and engine waste heat in automotive air conditioner, and is characterized by economy, energy conservation, no environmental pollution and the like.

This invention discloses one high power impulse laser anti-lose resonance chamber, which comprises total reflection lens, plane output lens and laser work medium, wherein, the total reflection lens is composed of right angle inner and outer tamper surfaces; the reflection lens is combination of right angle outer tamper reflection lens and right angle round inside surface; these two reflection lens center axis are overlapped with height of outer round tamper larger than that of inner round reflection lens for around 2mm.

The invention discloses a Raman spectrum detection system based on single crystal sapphire optical fibers and a sapphire optical fiber probe manufacturing method. The system comprises a laser emitting module, a semi-transparent semi-reflecting first long pass light filter, a second coupler, a sapphire optical fiber probe and a spectrometer detection and analysis module. The laser emitting module is used for emitting single wavelength excitation light and introducing the single wavelength excitation light into the sapphire optical fiber probe. The sapphire optical fiber probe collects the Raman scattering signal light of the sample to be detected. The spectrometer detection and analysis module analyzes and detects the Raman spectrum. The manufacturing method comprises immersing the single crystal sapphire optical fibers in a mixed solution of a trisodium citrate solution and an AgNO3 solution under action of laser so that a silver nanoparticle film with Raman surface enhancement effects grows. The system and method simplify the optical fiber bundle filtering scheme for inhibiting the high background noise of the quartz optical fiber as the Raman probe material, and ensure the signal-to-noise ratio of the Raman spectrum detection.

The invention provides a solar cell array control strategy method suitable for a yaw maneuvering satellite. The method comprises the steps that the light condition of an orbit where the satellite is located is obtained; a satellite yaw maneuvering scheme is determined according to the light condition; and a solar cell array control strategy is obtained according to the satellite yaw maneuvering scheme. The problem of energy of on-orbit flying of the inclined orbit satellite is solved.

The invention discloses a modified ethylene propylene diene monomer composite cable material resistant to high and low temperatures. The modified ethylene propylene diene monomer composite cable material resistant to high and low temperatures is prepared from maleic anhydride-grafted ethylene propylene diene monomer, polymethylvinylphenylsiloxane gum, an ethylene-octene copolymer, white carbon black, mica, calcined clay, hydrotalcite, stearic acid, zinc oxide, sulphur, bis(2,4-dichlorobenzoyl)peroxide, glycol, polyethylene glycol, 3-aminopropyltrimetyoxysilane, an accelerant, a plasticizer and an anti-aging agent. The modified ethylene propylene diene monomer composite cable material resistant to high and low temperatures is high in strength, excellent in anti-aging performance, and good in high-and-low temperature resistance and cold tolerance, and a cable material made of the modified ethylene propylene diene monomer composite cable material resistant to high and low temperatures is good in comprehensive performance and long in service life.

The invention discloses disease-resistant pig forage. The disease-resistant pig forage is prepared from 30-40 parts by weight of corn flour, 20-30 parts by weight of peanut meal, 10-15 parts by weight of purple rice, 4-5 parts by weight of amentotaxus seed, 1-2 parts by weight of Crossostephium chinense, 1-2 parts by weight of root of montane baliospermum, 7-10 parts by weight of elaeagnus conferta roxb, 6-9 parts by weight of Chinese gall seedling, 5-7 parts by weight of climacium dendroides, 9-13 parts by weight of Lysimachia fordiana Oliv., 10-15 parts by weight of liquor, 10-15 parts by weight of fresh small grass carp, 8-13 parts by weight of bovine bone power, 4-5 parts by weight of white sugar, 2-3 parts by weight of table salt, 2-3 parts by weight of an assistant and a proper amount of water. The disease-resistant pig forage utilizes corn flour, peanut meal and purple rice as main raw materials, guarantees forage energy and protein supplement, utilizes elaeagnus conferta roxb, Chinese gall seedling, climacium dendroides and Lysimachia fordiana Oliv. as auxiliary materials. Elaeagnus conferta roxb has effects of relieving cough and asthma, and astringing to arrest diarrhea. Lysimachia fordiana Oliv. has effects of clearing heat and draining dampness, and dispersing swelling and resolving toxins. The disease-resistant pig forage can fully satisfy pig growth demands, reinforce protein, vitamin and amino acid nutrition demands, improve pig disease resistance, a lean meat rate and meat quality, make meat fresh and tender and has substantial economic benefits.

The invention discloses a refrigerant pump, which comprises a shell, wherein the interior of the shell is partitioned into a rotor chamber and a motor chamber by a dividing plate, an impeller is arranged in the rotor chamber, and a refrigerant main runner is formed between the rotor chamber and the impeller; and the rotor chamber is also provided with a suction inlet and an exhaust outlet which cover the side part and the radial outer side of the impeller. The shape of the shell which is in contact with fluid is approximately identical with the eddy direction, so that the eddy loss is reduced; and in addition, the separating loss of the fluid flowing at an inlet of the impeller is reduced, and the flowing property of the fluid is improved. On the basis that the shapes of blades incline towards the rotating direction, the runner between the side surfaces of the blades and the shell component is semicircular, so that the impeller efficiency can be further improved, and the whole efficiency of the pump can be further improved.

The invention discloses an electric vehicle distributed energy supply system and work method for the same. The system comprise an energy management module, a power battery and a power follower set, wherein the power follower set is formed by two or more than two power followers; each power follower has a whole vehicle power following function; the energy management module is electrically connected with the power battery, the power followers, an electric vehicle driving system and a whole vehicle control unit. Different types of energy supplies can be combined to work according to driving conditions of the electric vehicle on different work conditions, so driving distance can be increased and emission can be reduced.

The invention relates to a category label recovery method for reliable image classification, and belongs to the technical field of machine vision. The invention discloses a category label recovery method for low-rank image feature analysis by combining a label propagation process, PCA dimension reduction and LDA classification. According to the method, a label propagation process is introduced toobtain a data set after label recovery, then PCA reliable dimensionality reduction is executed to reduce the dimensionality of a reliable data set, meanwhile, information with the largest contributionto variance in the reliable data set is kept, finally, LDA features are extracted, and low-rank features for discriminant analysis are obtained. According to the method, a data set containing missinglabels is preprocessed, the missing category labels are restored, and the most discriminative feature is extracted through reliable dimension reduction, so that a subsequent nearest neighbor classifier is more accurate and reliable; and the robustness of the sample label data is improved, so that the classification model is more effective.

The invention relates to the technical field of sexual propagation seedling culture of Bletilla striata, in particular to a sexual propagation seedling culture method for the Bletilla striata. A process comprises steps of base selection and treatment, pit digging treatment, pit depth and pit inside structure layout, Bletilla striata pod treatment and arrangement of Bletilla striata pods into pits. According to limit of the process steps and process parameters, the Bletilla striata can sprout and emerge rapidly on a base, weed infestation of the Bletilla striata seedling culture base can be prevented, the labor intensity for the Bletilla striata seedling culture base is reduced, influence on Bletilla striata seedlings in a weeding process is avoided, and the survival rate of the Bletilla striata seedlings is increased; nutrition supply of the Bletilla striata pods in germination, sprouting and emerging stages is guaranteed, sufficient oxygen supply can be realized, fermentation heating of organic matters such as rice husks, sawdust and the like in the base is realized, energy consumption in the Bletilla striata growth process is guaranteed, the budding rate of the Bletilla striata is reduced, the emergence cycle of the Bletilla striata is shortened, and the Bletilla striata seedling culture cost is reduced.

The invention provides a novel crystallization kettle capable of improving evaporative crystallization efficiency, and relates to the technical field of crystallization kettles. The novel crystallization kettle capable of improving evaporative crystallization efficiency comprises a support frame, the center of the support frame is fixedly connected with a crystallizing tank, and a tank cover is arranged at the top of the crystallizing tank. A supporting mechanism is arranged at the top of the tank cover. A transmission mechanism is arranged on one side of the supporting mechanism. A centrifugal stirring mechanism is arranged in the center of the crystallizing tank. A rotary stirring mechanism is mounted in the center of the centrifugal stirring mechanism. A heating mechanism is arranged between the crystallizing tank and the centrifugal stirring mechanism. An air outlet is formed in one side of the outer surface of the top of the tank cover. A control panel is arranged at the bottom ofone side of the outer wall of the crystallizing tank. Through mutual cooperation of the transmission mechanism, the centrifugal stirring mechanism, the rotary stirring mechanism and the automatic heating mechanism, the evaporative crystallization efficiency of the stock solution can be greatly improved, a large amount of energy is saved, and meanwhile the processing efficiency is guaranteed.

The invention discloses a novel radio frequency electron accelerator structure comprising an accelerating cavity, a coupling cavity, a sealing plate and a feed-in waveguide; the accelerating cavity and the coupling cavity are alternately assembled together, the sealing plate is arranged on the axial end face of the accelerating cavity at the tail end, beam holes are designed in the axial end facesof the accelerating cavity, the coupling cavity and the sealing plate, the size of the beam hole in the sealing plate is smaller than that of other beam holes, and the feed-in waveguide communicatedwith the accelerating cavity is arranged on the radial side wall of the accelerating cavity at the tail end. According to the novel accelerator structure provided by the invention, an external focusing system is omitted, a coupling hole structure of the end surface of the cavity is omitted through an optimized design, and the processing difficulty is greatly reduced.

The invention discloses a phase reversal and electrostatic reinforcement protection circuit. The phase reversal and electrostatic reinforcement protection circuit comprises a resistor Rinx, a resistor Riny, a resistor Rin', a diode D1, a diode D2, a diode D3, a parasitic resistor Rj1 and a parasitic resistor Rj2, wherein one end of the resistor Riny is connected with a positive input port INP of the operational amplifier, the other end of the resistor Riny is connected with one end of the resistor Rinx and one end of the parasitic resistor Rj1, the other end of the parasitic resistor Rj1 is connected with one end of the diode D1, and the other end of the diode D1 is connected to a negative power supply; the other end of the resistor Rinx is connected with one end of the resistor Rin' and one end of a parasitic resistor Rj2, the other end of the parasitic resistor Rj2 is connected with one end of a diode D2, and the other end of the diode D2 is connected to a negative power supply; the other end of the resistor Rin' is respectively connected with one end of a diode D3 and an input geminate transistor base electrode in the operational amplifier, and the other end of the diode D3 is connected with a positive power supply. The phase reversal and electrostatic reinforcement protection circuit has a static strengthening function and a phase overturning protection function at the same time.