49results about How to "Uniform and constant temperature" patented technology

The invention discloses a PECVD system with an internal heater, comprising a vacuum chamber and movable plasma boxes arranged in the vacuum chamber. The four peripheral walls of the vacuum chamber are provided with heating panels, and at least two movable plasma boxes exist. Each of the movable plasma boxes is arranged in the vacuum chamber in parallel, and the internal heater for heating the vacuum chamber uniformly is arranged between the movable plasma boxes. The internal heater can greatly enhance the output of the single-chamber deposition system, and avoid the problem of unbalanced temperature distribution caused by the traditional heating ways. The PECVD system of the invention effectively solves the non-uniform thickness of silicon-based thin film deposited on the glass substrate with TCO, enhances the performance of the large-area silicon-based thin film solar cell, lays the foundation of the development of the large-area PECVD thin film deposition system, and effectively promotes the industrialization of the silicon-based thin film cell technology.

The invention discloses an ultra-low temperature constant temperature grabbing bar device, comprising a refrigeration system, a constant temperature system, a temperature measurement system and a grabbing system. The ultra-low temperature constant temperature grabbing bar device is characterized in that the refrigeration system is a Dewar flask with pressure; the constant temperature system consists of a constant temperature tank, a heating chip and a temperature controller; the temperature measurement system consists of a temperature sensor, a patrol detector and a computer; the grabbing system is a grabbing bar which is a metal hollow bar with an internal counter-flow heat exchange device, wherein the constant temperature tank is heated so that the liquid nitrogen in the constant temperature tank is gasified to obtain low-temperature nitrogen; the counter-flow heat exchange device in the grabbing bar makes the nitrogen flowing in subjected to counter-flow heat exchange so as to obtain an outer wall of the grabbing bar with uniform and constant temperature at any position; the temperature measurement system acquires and monitors the temperature values of the temperature measurement points of the outer wall of the grabbing bar in real time, so as to ensure that the temperature of the grabbing bar meets the technical requirement. The invention can provide the ultra-low temperature from room temperature to 130 DEG C below zero and the constant temperature (the temperature change of the bar is less than 2 DEG C and the temperature difference between the two ends of the bar isless than 3 DEG C) according to the test requirement, realizes the ultra-low temperature constant temperature grabbing bar and performs low-temperature resistance ability test on a pair of low-temperature protective gloves.

The invention relates to the technical field of clothes nursing, and discloses an ironing machine supplementing water rapidly and conveniently. The ironing machine comprises an ironing machine body, abase, and a large water tank. The base is provided with a groove. The ironing machine body is internally provided with a small water tank, a steam generation assembly, and a pump body. A water absorption pipe is communicated between the pump body and the small water tank. The pump body is communicated with a water outlet pipe. The large water tank is provided with a water supplementing cover. Thewater supplementing cover is provided with a water outlet. The water outlet is provided with a valve body. The base is internally provided with a first water supplementing joint. The base is providedwith a trench. A water guiding pipe is communicated between the trench and the first water supplementing joint. The ironing machine body is provided with a second water supplementing joint. One end of the water supplementing joint is communicated with the small water tank. When the ironing machine body is placed in the groove, the first water supplementing joint and the second water supplementingjoint are abutted and communicated, and water in the large water tank flows into the small water tank through the water guiding pipe. When the ironing machine body is separated from the groove, the first water supplementing joint and the second water supplementing joint are separated and communication is stopped. The ironing machine is advantaged by convenient and rapid water supplement.

The invention discloses an all-purpose wine decanter, comprising an upper shell of the base and a transparent wine container, wherein a lower shell of the base is arranged at the bottom end of the upper shell of the base; an upper end surface of the upper shell of the base is integrally for with a groove, and the groove engages with a bottom shape of a transparent wine container and the groove engages with a bottom shape of a transparent wine container; a light effect lamp is symmetrically arrange on the outer side wall of the groove; the groove bottom of the groove is provided with a step through groove; the upper part of the step through groove is provided with a cooling conducting sheet; the lower part of the step through groove is provided with a heat insulating fin; a semiconductor cooling fin is symmetrically embedded through the heat insulating fin; a driving motor is arranged in the middle of the lower end face of the heat insulating fin; and a magnet fin is symmetrically arranged on the upper end face of the rotating table, and a heat dissipating fin is uniformly arranged on the lower end face of the heat insulating fin corresponding to the position of the semiconductor cooling fin. The all-purpose wine decanter has the advantages of effectively improving the wine after decanting, being convenient, being adapted to the common liquor, red wine, rice wine and other typesof drinking liquor, and being easy to clean and hygienic.

The invention discloses a manufacturing method of a mould with a conformal cooling channel. The manufacturing method of the mould with the conformal cooling channel comprises the following steps thata casting blank capable of pouring the mould with the conformal cooling channel is manufactured by adopting a 3D printing method, and a mould blank cavity is processed and subjected to precision machining, so that the mould with the conformal cooling channel is obtained. According to the manufacturing method of the mould, a mould cooling system is simplified and optimized, by casting and combination of mould surface processing technology (build up welding, thermal spraying, laser powder cladding and laser welding wire cladding) material potential obtains utmost development, service life of themould is greatly prolonged, and part precision of the mould is greatly improved.

The invention relates to a phase-change coupling bionic fin type automobile exhaust waste heat step power generation system. The system comprises an inner layer heat conduction structure, a middle semiconductor temperature difference power generation module and an outer layer fin radiator. The inner layer heat conduction structure is tightly attached to the outer wall of an exhaust pipe of an automobile, and the whole body of the inner layer heat conduction structure is in a hexagonal prism shape so as to supply a flat attachment point for the temperature difference power generation module; the heat conduction structure is filled with phase-change material fused salts so that the temperature of the outer wall of the heat conduction structure is uniform and constant and the heat in the automobile exhaust waste is accumulated. The middle semiconductor temperature difference power generation module employs a dual-layer design, the inner layer power generation module and the outer layer power generation module select different thermoelectric materials according to respective actual working temperature areas, and the optimal working temperature areas of the two power generation modulesare matched with the actual temperature areas of the two power generation modules so that the two layers of power generation modules work at the optimal temperature, and the cascade utilization of theautomobile exhaust waste heat is achieved. The outer layer fin radiator adopts a leaf-shaped bionic structure, and forced convection heat dissipation is performed by utilizing air flow generated whenan automobile runs. The automobile exhaust can be used for generating power, and the waste heat utilization of the exhaust is achieved.

The invention discloses an integrated total internal reflecting microfluidic chip detection all-in-one machine. The all-in-one machine is composed of a mainframe box, a control box and a processing display, wherein the processing display is connected with an inverted microscope and a total internal reflecting optical receiver circuit in the mainframe box, and is further connected with a sample injector and a hot-cold compressor circuit in the control box. A light-guide fiber excitation source light source and an incident light angle calibration scale are installed in the mainframe box. Compared with the prior art, the all-in-one machine disclosed by the invention is capable of fast adjusting the total internal reflecting incident angle, the adaptability for chip detection is strong, the microfluidic chips in different types and different designs can be used. The machine is high in function integration degree, capable of realizing the temperature uniform and constant and humidity uniform and constant in the detection region, and meeting the detection and experiments under different temperature conditions.

The invention relates to a kitchen waste fermentation heating system and a control method thereof. The system comprises a fermentation chamber, an automatic control unit and an air feeding mechanism.A feed inlet, a discharge outlet, an air inlet and an air outlet are arranged on the fermentation chamber; the air feeding mechanism is communicated with the air inlet through an air inlet pipe, and is used for delivering fresh cold air into the fermentation chamber; the fermentation chamber is made from metal materials; a stirring mechanism for stirring kitchen waste, a microwave generator for heating the kitchen waste, and an infrared temperature detector for detecting the temperature of the kitchen waste are arranged in the fermentation chamber; the infrared temperature detector is connected with the input end of the automatic control unit, and is used for sending generated detected temperature data to the automatic control unit; the output end of the automatic control unit is connectedwith the microwave generator, the stirring mechanism and the air feeding mechanism, and the automatic control unit is used for respectively controlling the microwave generator, the stirring mechanismand the air feeding mechanism according to the received detected temperature data.

The invention discloses a mechanical activation reactor capable of enhancing polysaccharide high polymer modification. An outer barrel is in a horizontal structure and a grinding inner barrel is arranged in the outer barrel; a speed reducer I is connected with a stirring shaft by a shaft coupler; the stirring shaft penetrates through a through hole in an end cover of the outer barrel and is inserted into the grinding inner barrel; the stirring shaft is fixed at the two ends of the outer barrel by bearing seats at the two ends; a jacket is arranged outside the grinding inner barrel; a material inlet / outlet is formed in the outer barrel and is communicated with the grinding inner barrel; the grinding inner barrel is internally provided with grinding balls; the stirring shaft is provided with paddles and a material scraping screw belt; the paddles are mounted on the stirring shaft in a staggered manner; and the material scraping screw belt is mounted on the stirring shaft. The mechanical activation reactor is provided with the paddles and the material scraping screw belt so that the grinding balls in the grinding inner barrel can be driven by the paddles and the material scraping screw belt to move back and forth, and the disturbance of the grinding balls is enhanced, and furthermore, materials can react more uniformly and the surface updating is more rapid; and the reaction time is effectively shortened, the loss of the raw materials is reduced and the quality of a product is improved.

The invention discloses a supergravity reactor for intensifying the modification of a polysaccharide high polymer. An outer cylinder body is in a horizontal type structure, the outer cylinder body is internally provided with a reaction inner cylinder, a speed reducer I is connected with a stirring shaft through a coupler, the stirring shaft penetrates through a through hole positioned on an end cover of the outer cylinder body to be inserted into the reaction inner cylinder, and the stirring shaft is fixed on two ends of the outer cylinder body through bearing seats positioned on two ends of the stirring shaft; the outer side of the reaction inner cylinder is provided with a jacket, a main inlet and outlet is arranged on the outer cylinder body, the main inlet and outlet is communicated with the reaction inner cylinder, the stirring shaft is provided with an inner spiral band and an outer spiral band, and the inner spiral band and the outer spiral band are reversely arranged along an axial direction; and the radius of the inner spiral band is smaller than the radius of the outer spiral band. According to the supergravity reactor, the inner spiral band and the outer spiral band move at high speed back and forth to generate strong centrifugal force and shearing force so as to enhance mass transfer and micromixing effect, so that the reaction is intensified, and the reaction time is effectively shortened; in addition, the outer spiral band is capable of scraping to remove a wall-adhering material in time, so that the product quality is enhanced.

The invention relates to a continuous frying device of potato flake / chip, comprising a frame and a frying pan, wherein the cover body on upper part of the frying pan is provided with a smoke outlet, and the continuous frying device of potato flake / chip is characterized in that the exterior of the frying pan is equipped with a heating oil path system, the interior of the frying pan is spacedly equipped with a set of rotary vanes, one end of the frying pan is provided with a feeding port while the other end is provided with a discharging port, the discharging port is equipped with a lifting machine and the conveyor mesh belt of the lifting mechanism is extended to the feeding port from the bottom within the frying pan. The continuous frying device of potato flake / chip provided by the invention has the advantages that the structure is simple, the design is scientific and logic, the constant temperature control of oil can be realized, the material can be prevented from adhering, the time of frying can be accurately controlled, the continuous production purpose can be realized and the device is suitable for producing in a large batch of a high-speed production line.

The invention discloses a cooling system, and belongs to the technical field of cooling. The cooling system comprises a gas conveying device, a gas heat preservation device and a refrigerant circulating device, wherein the gas conveying device comprises a gas conveying pipeline, and a pressure monitor is arranged at the gas inlet end of the gas conveying pipeline; the gas heat preservation devicecomprises a cooling liquid conveying circulation pipe, the cooling liquid conveying circulation pipe is arranged at the outer part of at past of the gas conveying pipeline in a sleeved mode, and cooling liquid is filled between the cooling liquid conveying circulation pipe and the gas conveying pipeline; the refrigerant circulating device comprises a refrigerant conveying pipeline; and at least part of the refrigerant conveying pipeline penetrates into the cooling liquid. The gas conveying pipeline conveys gas, a refrigerant lowers the temperature of the cooling liquid, the gas is cooled by the cooling liquid, and the cooling liquid is not easily affected by external environment. By the arrangement of the cooling liquid conveying circulation pipe, the temperature of gas in the gas conveying pipeline is uniform and constant. As the pressure monitor is arranged at the gas inlet end of the gas conveying pipeline, the pressure of gas is uniform and stable.

The invention relates to a hot air drawing box for high-strength high-modulus superhigh molecular weight polyethylene fibers, which comprises a filament channel and an air channel communicated with the filament channel. An electric heater and a fan are arranged in the air channel; an electric heating membrane for compensating heat is additionally arranged in the filament channel; the electric heater and the electric heating membrane heat circulating air together, so that the temperature in the filament channel keeps constant and uniform; the fan blades of the fan are horizontal long straight square blades, and are arranged into a cylinder along the periphery by forming a certain angle; the electric heater is provided with a control circuit used for controlling the electric heating membrane; and the electric heating membrane is arranged on a panel of the filament channel. The hot air drawing box can reduce the probability of occurrence of broken filaments and end breakage in the process of drawing the fibers so as to improve product quality.

The invention belongs to the technical field of metal surface chemical treatment and metal material diffusion treatment, particularly relates to a zinc impregnation system, and aims to solve the technical problem of long invalid time of zinc impregnation treatment by using a zinc impregnation tank. The zinc impregnation system comprises a zinc impregnation tank, a through type heating furnace, a lifting mechanism, a longitudinal moving mechanism and a zinc impregnation tank rotation driving mechanism. Through lifting and longitudinal movement of the lifting mechanism and the longitudinal moving mechanism, the zinc impregnation tank is driven to enter and exit from the through type heating furnace and is placed on a carrier roller set in the zinc impregnation tank rotation driving mechanism, heating and constant-temperature zinc impregnation work is completed, meanwhile, the zinc impregnation tank can be driven to rotate through rotation of carrier rollers, and the advantages of high zinc impregnation quality and the like caused by autorotation are kept.

The invention discloses battery formation constant-temperature equipment and a control method. The battery formation constant-temperature equipment comprises a controller, an equipment cabinet, an internal circulation air duct, an internal circulation fan and a heat exchanger. A heat exchanger cold end is arranged in the equipment cabinet, and a plurality of temperature sensors electrically connected with the controller are arranged in the equipment cabinet. The internal circulation air duct communicates with the equipment cabinet, and an air inlet communicating with the outside is formed in the internal circulation air duct. A heating device is arranged at the air inlet of the internal circulation fan, the air inlet is further communicated with the internal circulation air duct, and an air outlet communicates with the equipment cabinet. The inner circulation air duct comprises a heat dissipation air duct and an outer air duct, the starting point of the heat dissipation air duct communicates with the air inlet through an air valve, the air valve is electrically connected with the controller, the starting point of the outer air duct communicates with the air inlet, and the heat exchanger partially extends into the heat dissipation air duct. According to the technical scheme, temperature control is achieved by controlling the indirect heat exchange efficiency, impressions on a flow field in the equipment cabinet are avoided, and stable and uniform distribution of the temperature field in the equipment cabinet can be achieved.

Disclosed is a method for controlling the temperature and humidity in an edible mushroom greenhouse. A data detecting end and a data processing end work together to complete gradient control on a first-level control system and a second-level control system, so as to control the temperature and humidity in a greenhouse. The data detecting end is provided with a humidity sensor arranged in the greenhouse, a first temperature sensor arranged in the greenhouse, and a second temperature sensor arranged outside the greenhouse. The data processing end is provided with a temperature calculation modeland a humidity calculation model. The first-level control system is provided with a main control system which is composed of a first heat exchanger, a humidifier, a second heat exchanger, a gas-liquidseparator and a compressor, and an auxiliary control system which is composed of a turbulent heat recovery device. The second-level control system is provided with a heat exchange system which is composed of a water surface air cooler. According to the method for controlling the temperature and humidity in an edible mushroom greenhouse of the invention, different control modes are set to adapt tothe environments required in different growing periods, and efficient energy saving and maximum utilization of resources are achieved for the setting of corresponding control mechanisms.

The invention relates to a thermal treatment device of a field joint of a steel containment of a nuclear power plant and a thermal treatment method, belonging to the technical field of construction of the nuclear power plant. The device mainly consists of a main framework (Z-1), heating insulators (Z-2), a traveling mechanism (Z-3), a temperature sensing apparatus (Z-4) and an automatic temperature controller (Z-5). During thermal treatment, the traveling mechanism of the thermal treatment device is supported at the upper edge of a wall plate of the containment and is moved along the upper edge, so that the heating insulators on both sides of the wall plate of the containment are located in a position for clamping the to-be-thermally-treated joint. Then, the temperature sensor is installed at the to-be-thermally-treated joint. After an electric heating apparatus is connected, under the closed loop control of the automatic temperature controller, the joint is heated to a predetermined temperature. According to the invention, the insulating cotton, the electric heating apparatus and the joint are compactly attached, and the joint quality is remarkably improved and the welding period is remarkably shortened by guaranteeing the thermal treatment quality and efficiency.

The invention relates to an efficient liquid vaporizer for semiconductor film forming. The liquid vaporizer vaporizes liquid raw materials for specific film forming, and finally, vaporized gas is output into a semiconductor film forming reaction cavity through carrier gas and through a gas channel to prepare a thin film. A liquid vaporizing device comprises a main body and a stopper. The main bodyis defined as a cavity, and the cavity is provided with an input end used for receiving one or more raw materials and an output end used for discharging the gas. The stopper is arranged in the cavityof the main body, and the cavity is divided into a first cavity body and a second cavity body by means of the stopper. The first cavity body comprises the input end, and the second cavity body comprises the output end. The stopper is provided with one or more hole-shaped channels, and the first cavity body communicates with the second cavity body mutually through the hole-shaped channels.

The invention provides a mininature SCR (selective catalytic reduction) denitration catalyst activity detection device based on sample boat flange external expansion. The device comprises a gas distribution unit, a water injection unit, a preheating unit, a reaction unit, a flue gas detection unit and a tail gas treatment unit, wherein the reaction unit comprises a heating furnace and a sample boat arranged in the furnace, a gas inlet pipe flange is arranged at the upper part of the heating furnace, a gas outlet pipe flange is arranged at the lower part of the heating furnace, and the gas inlet pipe flange and the gas outlet pipe flange are connected with a pipe of a gas supply unit and a pipe of the tail gas treatment unit respectively; the sample boat comprises a sample pipe in the middle as well as an upper flange and a lower flange which are at two ends; when the sample boat is located in the heating furnace, the upper flange and the lower flange at the two ends of the sample boat are assembled with the gas inlet pipe flange and the gas outlet pipe flange respectively, so that the sample boat is fixed in the heating furnace.

The invention belongs to the field of hollow rods, particularly relates to a hollow rod watering viscosity reduction device, and aims to solve the problems that the viscosity reduction efficiency is reduced due to non-uniform water temperature caused by inconvenience in keeping constant temperature of hot water in the using process of an existing hollow rod watering viscosity reduction device, and the hollow rod is easy to block due to inconvenience in preventing backflow of crude oil. According to the scheme, the device comprises a hollow rod body, one end of the hollow rod body is fixedly connected with a water inlet through welding, a first empty groove is formed in the hollow rod body, a first through hole is formed in the inner wall of the hollow rod body, the first through hole is communicated with the first empty groove, and a first rotating shaft is rotationally installed in the first through hole; in the using process, the constant temperature of hot water can be conveniently kept, the viscosity reduction efficiency can be prevented from being reduced due to uneven water temperature, crude oil backflow can be conveniently prevented, the hollow rod can be prevented from being blocked, the structure is simple, and use is convenient.

The invention relates to a micro-array hybrid module, and aims to provide a micro-array hybrid auxiliary device capable of isolating hybridization reaction zones strictly in biological micro-array loading and hybridization processes and with simple operation. The main points of the technical scheme are that loading holes of a top cover and positions of reaction chambers of an isolation film correspond with each other and can be clamped tightly and connected. Chips are placed in glass slide grooves of a pedestal. The middle isolation film is attached to the biochip tightly and is clamped between the top cover and the pedestal. The pedestal aligns to positioning holes of the top cover, and the isolation film, the biochips and the pedestal are clamped tightly by utilization of positioning pins. Because the isolation film fits the chip tightly, the reaction chambers are separated strictly and completely and mutual interference and pollution are avoided. The top cover loading holes can be subjected to sealing processing by utilization of adhesive tapes, and liquid evaporation can be avoided. The whole device is convenient to use and is simple to operate, the reaction zones are independent completely, and the device can be dismounted, cleaned and used repeatedly, and is an excellent micro-array hybrid auxiliary device.

The invention discloses a tea leaf aroma improving machine and a tea leaf intelligent control aroma improving pattern. The tea leaf aroma improving machine comprises a box body, a heating device, a temperature and humidity sensor and a fuzzy PID controller. The control pattern is provided based on the tea leaf aroma improving machine. The control pattern applies a self-adapted fuzzy PID technology, and combines properties of physical and chemical changes of tea leaves in an aroma improving technology; a control mathematic model is established through an intelligent control algorithm and an aroma improving machine control system is planted; the control pattern is adjusted by verification of specific experiments. The control pattern can be used for machining given tea leaves, and can detect the moisture content and the feeding amount; the control system can be used for automatically calculating and adjusting equipment to reach optimal temperature and humidity; or technological parameters of the aroma improving machine on a control interface, such as temperature, time and the opening degree of a humidity discharging hole, can be directly set, and the technological parameters of a plurality of sections in an operation process also can be modified. Therefore, the intelligence of aroma improvement of the tea leaves is realized on the basis of guaranteeing the tea making effect.

The invention relates to a vertical modified stir ball-milling reactor for reinforcing polysaccharide polymers, and a stirring shaft is driven by a drive unit through a coupling. The reactor further comprises a cylinder cover plate, a grinding inner cylinder, a lining plate, a funnel type material feeding port, a material discharging port and grinding balls. A stirring blade set composed of inclined plate blades and an S-shaped spiral blade is mounted on the stirring shaft, the inclined plate blades are mounted on the stirring shaft in parallel, and the S-shaped spiral blade is vertically mounted on the stirring shaft; and a plurality of through holes for grinding balls in the grinding inner cylinder to pass through are arranged on the inclined plate blades. According to the reactor, the stirring blade set is added, so that materials can be mixed evenly, and accordingly, the production efficiency is improved. Simultaneously, the stirring shaft and the S-shaped spiral blade are manufactured into hollow structures, and fed cooling substances are helpful for keeping the temperature to be uniform and the constant-temperature reaction field; and the bottom of grinding inner cylinder is hemispherical, so that grinding dead angles are avoided.

The invention relates to a phase-change coupling bionic fin type automobile exhaust waste heat step power generation system. The system comprises an inner layer heat conduction structure, a middle semiconductor temperature difference power generation module and an outer layer fin radiator. The inner layer heat conduction structure is tightly attached to the outer wall of an exhaust pipe of an automobile, and the whole body of the inner layer heat conduction structure is in a hexagonal prism shape so as to supply a flat attachment point for the temperature difference power generation module; the heat conduction structure is filled with phase-change material fused salts so that the temperature of the outer wall of the heat conduction structure is uniform and constant and the heat in the automobile exhaust waste is accumulated. The middle semiconductor temperature difference power generation module employs a dual-layer design, the inner layer power generation module and the outer layer power generation module select different thermoelectric materials according to respective actual working temperature areas, and the optimal working temperature areas of the two power generation modulesare matched with the actual temperature areas of the two power generation modules so that the two layers of power generation modules work at the optimal temperature, and the cascade utilization of theautomobile exhaust waste heat is achieved. The outer layer fin radiator adopts a leaf-shaped bionic structure, and forced convection heat dissipation is performed by utilizing air flow generated whenan automobile runs. The automobile exhaust can be used for generating power, and the waste heat utilization of the exhaust is achieved.

The invention relates to multi-stage molecular distillation equipment. The multi-stage molecular distillation equipment comprises a molecular distillation tower, wherein a molecular distillation tower charging hole is formed in the upper part of the molecular distillation tower; a heavy fraction discharging hole is formed in the lower part of the molecular distillation tower; a light fraction slip-out matter port is formed in the bottom of the molecular distillation tower; the multi-stage molecular distillation equipment comprises at least two stages of molecular distillation towers which are in series connection; the heavy fraction discharging hole of each stage of molecular distillation towers is communicated with a vacuum material penetrating pump by a pipeline; the vacuum material penetrating pump is communicated with a charging hole of the next-stage molecular distillation tower by the pipeline; and the light fraction slip-out matter port of each stage of molecular distillation towers is connected to a light fraction slip-out matter storage tank. A heating sleeve is additionally arranged on the outer part of the pipeline between the vacuum material penetrating pump and the charging hole of the next stage of molecular distillation towers; and the temperature of the heating sleeve is controlled by a temperature controller. The multi-stage molecular distillation equipment has the beneficial effects that unlimited-stage distillation can be realized by virtue of the series connection and loop connection of the multi-stage molecular distillation equipment, so that a high-purity product can be obtained; and the heating sleeve is arranged at the charging hole of each molecular distillation tower, so that the temperature is kept uniform and constant, and the product quality can be well improved.

The invention relates to a thermal treatment device of a field joint of a steel containment of a nuclear power plant and a thermal treatment method, belonging to the technical field of construction of the nuclear power plant. The device mainly consists of a main framework (Z-1), heating insulators (Z-2), a traveling mechanism (Z-3), a temperature sensing apparatus (Z-4) and an automatic temperature controller (Z-5). During thermal treatment, the traveling mechanism of the thermal treatment device is supported at the upper edge of a wall plate of the containment and is moved along the upper edge, so that the heating insulators on both sides of the wall plate of the containment are located in a position for clamping the to-be-thermally-treated joint. Then, the temperature sensor is installed at the to-be-thermally-treated joint. After an electric heating apparatus is connected, under the closed loop control of the automatic temperature controller, the joint is heated to a predetermined temperature. According to the invention, the insulating cotton, the electric heating apparatus and the joint are compactly attached, and the joint quality is remarkably improved and the welding period is remarkably shortened by guaranteeing the thermal treatment quality and efficiency.

The invention provides a device and a method for testing the hardness of a semi-solid extrusion abrasive flow, which are used for solving the technical problems that in the existing production, a uniform detection device and a detection method for the hardness of a semi-solid extrusion abrasive flow product are lacked, the product percent of pass is low, and the processing consistency and the processing precision are difficult to control. The device comprises a clamping mechanism, a temperature control mechanism, a test rod, a sample cylinder and a timing measurement mechanism. The clamping mechanism is fixedly connected to the temperature control mechanism, the test rod is arranged on the clamping mechanism through the guide mechanism, the upper end of the test rod is connected with the clamping mechanism, the sample cylinder is fixed in the temperature control mechanism, the lower end of the test rod is matched with the sample cylinder, the timing measurement mechanism is connected with the clamping mechanism, and the timing measurement mechanism is matched with the test rod. Reliable guidance can be provided for production and application of extrusion abrasive flow products, the quality of the extrusion abrasive flow products is improved, the first-pass yield of machining is improved, and reworking, repairing and scrapping are reduced.

The invention discloses a constant-temperature total-internal-reflection microfluidic-chip detection all-in-one machine. The all-in-one machine consists of a host box body and a processing display and is characterized in that the interior of the host box body is divided into box chambers of two layers, i.e., a lower-layer box chamber and an upper-layer box chamber, the lower-layer box chamber is provided with an inverted fluorescent microscope, and a total-internal-reflection light source and a receiver are mounted in the upper-layer box chamber. A heating chamber is formed in a box body wall of the inner side of the upper-layer box chamber. The processing display is in line connection with the inverted fluorescent microscope, the total-internal-reflection light source and the receiver in the host box body. The all-in-one machine has the advantages that detection can be carried out by using total internal reflection and can also be carried out by using the inverted fluorescent microscope so as to achieve multiple purposes and meet the requirements that different factors are simultaneously detected by one machine. The temperature and humidity of a detected area can be uniform and constant.