53results about How to "Solve temperature control" patented technology

The invention discloses a culture method for chlorella, which comprises the following contents: the volume of chlorella seed liquid in a bioreactor accounts for 5 to 15 percent of the total volume of a culture medium; a gas containing 5 to 15 volume percent of CO2 is introduced, the volume of introduced gas is 0.1 to 1.0vvm; and the culture temperature is reduced to 0 to 15 DEG C from 25 to 40 DEG C within 0.5 to 10 days, and chlorella is continuously cultured at a constant temperature of 0 to 15 DEG C for 5 to 15 days. The method disclosed by the invention can allow microalgae to grow normally at a low temperature, and the accumulated amount of fat and CO2 utilization rate of microalgae can be increased.

The invention discloses a method and a device for preparing Li-B alloy by vacuum smelting, pertaining to the metallurgy technology field. The device is a vacuum smelting furnace, a temperature-control thermocouple is arranged at the outer side of a crucible, a stirring paddle is arranged at the central position of the smelting furnace, a temperature thermocouple is arranged at the bottom end of the stirring paddle, an incident light port and an observation port are arranged on the upper surface of the furnace cover, a vacuum-pumping and argon channel is arranged at the upper end of the side of the furnace body, and an air-cooling device is arranged at the corresponding position of the argon channel. Li and B powder are put into the iron crucible, protected in high vacuum atmosphere, heated to 400 DEG C and then kept for 10min to 2h, the B powder is introduced with Ar gas to carry out protection when being fully dissolved in the melting of the Li; temperature rise is continued and stirring is reinforced, melt is solidified at the temperature of 530 DEG C, and after the alloy is fully solidified, the temperature rises to 650 DEG C, and the alloy is cooled with the furnace and treated with air-cooling after the temperature of 400 DEG C. The method and the device of the invention have compact and reasonable structure, simple technology, safe use, convenient operation and high-efficient production, thus having generalization and application value.

The present invention discloses an oscillating type reaction kettle convenient for a gas-liquid reaction. The oscillating type reaction kettle comprises a support machine frame, a kettle body, a protective sleeve cylinder and a circulation pipeline. A first motor is arranged on the left side of the support machine frame; besides, the lower side of the first motor is provided with a control switch;the middle place of the lower surface of the kettle body is provided with a material outlet; two pipe mouths of the circulation pipelines are penetrated from the surface of the kettle body; a surfaceof a first rotating arm is provided with a limited sliding groove; the first rotating arm and a second rotating arm are both connected with the support machine frame via outside bearing shafts; fixing sliding blocks and a horizontal sliding rail are connected to each other; and the horizontal sliding rail is located on the surface of the support machine frame. The oscillating type reaction kettleconvenient for the gas-liquid reaction is provided with two motors as a whole; besides, the two motors are arranged vertically; so that when a stirring shaft inside the kettle body is used for stirring, the whole kettle body can be oscillated back and forth on the support machine frame, thus improving the mixing efficiency inside the kettle body.

The invention relates to a tower type solar energy-steam combustion gas combined cycle power generation system, which comprises a solar energy heat absorber, a combustion gas turbine, a residual heat boiler and a steam turbine. The residual heat boiler is connected with the combustion gas turbine; the solar energy heat absorber is connected with a superheater unit of the residual heat boiler; a fume outlet of the combustion gas turbine is communicated with a main flue of a fire hole section of the residual heat boiler; a bypass pipeline is arranged on the main flue; a fume distributing device is arranged on the bypass pipeline; when solar energy reaches a preset value, the fume distributing device closes the bypass pipeline; and when the solar energy does not reach the preset value, the fume distributing device opens the bypass pipeline. By using the tower type solar energy-steam combustion gas combined cycle power generation system, through arranging the bypass pipeline on the main flue and the fume distributing device, the flexible regulation of a superheated steam temperature is realized; the defect that the power generation by using pure solar energy is unstable is overcome; the power generation efficiency and the power generation quality are improved; the consumption of a fuel can be effectively decreased; and the purposes of energy saving and emission reduction are achieved.

The invention provides a temperature control device for an electronic device. The temperature control device is connected with the electronic device to be detected and a fan module, the control system comprises an original state information obtaining module, a real-time state information obtaining module, a storage module, a judgment module, a temperature computation module and a fan control module. The electronic device to be detected comprises at least one detection diode. The temperature control device controls the environment temperature of the detection diode by detecting the state information of the diode, and then controls the work temperature of the electronic device to be detected. The problem of control of line temperature is solved, and cost of a large number of special temperature sensors in use is reduced. The invention further provides a temperature control method.

A plant fast-growing device is composed of a light regulating system, an air regulating system, a humidity regulating system, a temperature regulating system, a fertilizer regulating system and a planting system. The plant fast-growing device is a plant factory which is designed by means of air regulating, humidity regulating, light regulating, fertilizer regulating, temperature regulating and drip irrigation technologies and can provide an artificial optimized environment for plant growth, shorten the plant growth cycle and increase the yield. The closed plant factory is not limited by the natural environment and has multiple guaranteeing devices suitable for fast growth of plants; for example, an adopted upright cylindrical planting field (16) can rotate on its axis, so that plants planted on the side face of the cylindrical planting field (16) can acquire vertical illumination from an artificial light source (2) conveniently, and the photoperiod characterized in alternation of day and night can be shortened through autorotation, and then plants can become ripe more rapidly. Therefore, the plant factory not only can increase the growth speed of plants, but also can be used for growing plants in a severe environment or in space. The plant fast-growing device belongs to the field of modern agricultural production.

The invention discloses an integrated plant for rice wine semi-solid fermentation. The integrated plant comprises a prior-fermentation tank set and a later-fermentation tank set. The prior-fermentation tank set comprises at least one main fermentation tank, a cooling coiler arranged in the main fermentation tank and a circulation feeding pump arranged outside the main fermentation tank. A raw material feed port is formed in the top of the main fermentation tank, a main fermentation circulation discharging pipe is arranged on the upper portion of a body of the main fermentation tank, and a main fermentation tank returning/discharging pipe is arranged on the bottom of the body of the main fermentation tank. The later-fermentation tank set comprises at least one later-fermentation tank, a cooling heat exchanging device arranged outside the later-fermentation tank and a later-fermentation tank mash pump. Rice wine fermentation is divided into a prior fermentation period and a later fermentation period, the problem of semi-solid fermentation is solved through the prior-fermentation tank, the volume of the prior-fermentation tank is about one fourth that of the total fermentation volume, the later-fermentation tank is simplified, the volume of the later-fermentation tank is about three fourths that of the total fermentation volume, the prior-fermentation tank needing cooling for temperature reducing and the later-fermentation tank needing temperature keeping are arranged in a separated mode, the feeding difficulty of semi-solid materials is lowered, the equipment investment and the workshop investment are reduced, the temperature controlling effect is improved, and the energy consumption is reduced.

The invention discloses a method for detecting human 8-hydroxyl guanine DNA glycosylase activity through circular signal amplification based on autocatalytic replication mediation. A biological sensorcomprises a hairpin substrate, MB1, MB2, Fok I and APE1. A damaged guanine and palindromic sequence is designed in a sense strand or an antisense strand of the hairpin substrate, a damaged guanine islocated between the palindromic sequence and a ring, and a cytosine matched with the damaged guanine is designed at the other strand; MB1 is of a stem ring structure with the protruding 5' end, the palindromic sequence is designed at the ring of MB1, a sequence complementary for the ring of the hairpin substrate is designed on the 5'-tail end DNA sequence protruding from MB1, and fluorescent molecules and quenching molecules are modified on the MB1 and the MB2. The method can achieve easy, convenient, high-sensitive and high-specific detection of hOGG1.

The invention discloses a dual-thermometer linkage control technology, which detects the ambient temperature and humidity, forms a mathematical correction model based on the influence of the ambient temperature and humidity on the material temperature detected by the online infrared temperature instrument, and corrects the infrared thermometer in real time according to the mathematical correction model Test results. The beneficial effects of the present invention are: the present invention can be applied in the process of temperature control in the tobacco industry thread making line or threshing and re-baking line, including shredded leaves, shredded stem drying, re-roasting of leaves, moistening and re-moisturizing of leaves, and adding materials to moistening leaves. In this link, it can significantly improve the stability of temperature control. By improving the stability of temperature control, the quality stability of processed materials can be improved, and the level of cigarette production control can be improved.

The invention relates to a device and method for preparing diffusion layer slurry of a proton exchange membrane fuel cell. The device comprises a power device, a transmission device, a mixing tank, a low-speed mixer, a high-speed disperser, internal cooling modules and the like, wherein the transmission device comprises a hollow low-speed transmission main shaft and a high-speed transmission shaft which is arranged in the hollow main shaft; the transmission device is arranged on the transmission shaft; the low-speed mixer, the high-speed disperser and the internal cooling modules are arranged on a rotary frame and rotate together along with the rotary frame; and meanwhile, the high-speed disperser is driven to rotate at high speed by the high-speed transmission shaft connected to the transmission device; and a circulating water pipeline is introduced by a pipeline shaft arranged in the hollow high-speed transmission shaft to realize an internal cooling function. The device provided by the invention has the internal cooling function during the slurry preparation process for the first time, and thereby, the demulsification problem caused by internal temperature rise in the high-viscosity slurry preparation is solved, and moreover, premixing treatment and high-speed dispersion are integrated into the same device, so that the device has the advantages of high handling capacity, wide applicable viscosity range, high efficiency, low cost, easiness in operation and the like.

The invention discloses a method for preparing a multilevel-hole structure with a titanium surface containing calcium and phosphorus. By means of the method, the purpose of conducting modification on the structure and ingredients of a titanium substrate at the same time is achieved, and a titanium implant body material with good comprehensive performance is obtained. A polished, cleaned and dried medical pure titanium sheet serves as the anode to be placed in a NaH2PO4.2H2O electrolyte, and a platinum electrode serves as the cathode to conduct micro-arc oxidation processing; after processing is conducted, the titanium sheet is taken out of the NaH2PO4.2H2O electrolyte and then serves as the anode to be placed into a (CH3COO)2Ca.H2O electrolyte, the platinum electrode serves as the cathode, and the micro-arc oxidation processing is conducted again; the multilevel-hole structure containing the calcium and the phosphorus is obtained on the titanium surface. According to the method, the multilevel-hole structure with holes of different sizes is prepared on the titanium surface through a step-by-step micro-arc oxidation technology, so that space is provided for deep growth of bone cells, meanwhile the calcium element and the phosphorus element in the electrolyte are led into anatase TiO2 at the same time, and the titanium implant body material is made to have good biological activity and biocompatibility.

The invention discloses a nitrogen pressure stabilizing experiment device with a controllable outlet fluid temperature in a moving condition. The nitrogen pressure stabilizing experiment device comprises a closed experiment device. The experiment device is internally provided with a separator plate which divides the inner chamber of the experiment device into an upper chamber and a lower chamber. The separator plate is provided with a plurality of through holes. The top of the experiment device is provided with a nitrogen introducing pipe. The sidewall of the lower chamber of the experiment device is provided with an inlet connecting pipe and an outlet connecting pipe. A plurality of electric heating rods are mounted in the lower chamber of the experiment device. The nitrogen pressure stabilizing experiment device settles problems of natural circulation loop pressure controlling and heating experiment segment inlet fluid temperature controlling in the moving condition, and furthermore satisfies a requirement of carrying out a natural circulation loop flow unstability experiment in the moving condition. Furthermore relative to the structure in which a surge tube is connected with a voltage stabilizer, the nitrogen pressure stabilizing experiment device has advantages of simple structure, easy realization and great reduction of simulation experiment cost.

The invention provides a heat transmission device suitable for a space equipment group. The heat transmission device comprises the equipment group (1), an aluminum honeycomb plate (2), a phase changeheat pipe (3), and a phase change energy storage box (4). The equipment group (1) is installed on the front face of the aluminum honeycomb plate (2), the phase change heat pipe (3) is pre-buried in aninterlayer of the aluminum honeycomb plate (2), and the phase change energy storage box (4) is installed on the back face of the aluminum honeycomb plate (2). Through the method of combining the phase change heat pipe with the phase change energy storage box, the temperature rise of the short-time high-power equipment group in the working period is effectively inhibited, the startup temperature rise of the short-time high-power equipment group is effectively inhibited, the temperature control problem of the short-time high-power equipment group is solved, and the beneficial effects of high reliability, large phase change material filling amount, good temperature control effect and the like are achieved.

The invention relates to a whole-sealing combined type multifunctional moving work shed system which comprises a body part and blocking parts located on the two sides of the body part. A sealed construction space can be formed by the body part and the blocking parts. The bottoms of the body part and the blocking parts are supported by a first rail, and driving mechanisms and fixing mechanisms arearranged at the bottoms of the body part and the blocking parts. The driving mechanisms are used for driving the body part and the blocking parts to move along the first rail, and the fixing mechanisms are used for locking and fixing the body part and the blocking parts on the first rail. By the adoption of the work shed system, the surroundings cannot be affected by construction, demounting and repeated mounting are not needed during moving, the construction period is shortened, and the construction cost is reduced.

The invention relates to the technical filed of gasification furnace ends and discloses a mixed liquid gasification burner and a nozzle-free water cooling gasification furnace end comprising the same. The mixed liquid gasification burner consumes 4kg of mixed liquid fuel per hour, a flame turns cyan gradually from the bottom to the top of the flame sequentially according to the power and is centralized in the direction perpendicular to the first plane. The outer flame temperature of the flame can reach 1550-1600 DEG C. The problem of kitchen waste blockage is solved, meanwhile, the mixed liquid fuel can be burned more fully, the consumption of the mixed liquid fuel can be lower, and the flame of the mixed liquid fuel can be more centralized. The nozzle-free water cooling gasification furnace end is provided with the mixed liquid gasification burner, the situation that a gas nozzle is directly exposed in the environment is avoided, the problem that the gas nozzle in the furnace end is liable to be blocked is solved, the using performance of the furnace end is improved greatly, and potential safety hazards are avoided. A tapered part and a protective part are matched, through the structure design, the temperature of the furnace end is increased, the fuel consumption is reduced, and the flame is more centralized.