17results about How to "Uniform and stable temperature" patented technology

The invention relates to the technical field of semiconductor manufacturing. The invention specifically relates to a semiconductor wafer cleaning system and a semiconductor wafer cleaning method. The semiconductor wafer cleaning system comprises a cleaning liquid supply system and a cleaning and drying integrated chamber. The cleaning liquid supply system is suitable for providing supercritical carbon dioxide cleaning liquid for the cleaning and drying integrated chamber; the chamber comprises a chamber shell communicated with the cleaning liquid supply system; a wafer supporting module; the cleaning liquid spraying pipe is distributed on at least one side of the inner wall of the cavity shell and is suitable for spraying the supercritical carbon dioxide supplied by the cleaning liquid supply system to the wafer; the drying heating pipes are distributed on at least one side of the inner wall of the chamber shell and are suitable for heating the temperature in the chamber space so as to maintain the supercritical state of the carbon dioxide to be stable; and the main heating part is suitable for heating the environment temperature in the cavity space so as to dry the wafer after cleaning. Supercritical carbon dioxide is used for cleaning the wafer, the cleaning and drying steps are completed in one cavity, high efficiency is achieved, and impressions are not prone to being left.

This invention discloses a heat source device and a heat transfer capacity testing system for achieving isostatic wall temperature and controllable temperature range in heat pipes. The heat source device includes an upper end cap, a lower end cap, a cylinder, a heating element, and an exhaust port. The upper and lower end caps respectively seal the upper and lower openings of the cylinder. The heating element is located on the lower end cap, and the exhaust port is located in the upper part of the cylinder. The cylinder contains a heating medium, and the heat pipe can be inserted into the cylinder through the upper end cap. Based on the phase equilibrium principle and the compressibility of vapor, this invention utilizes the power adjustment of the electric heating element to establish a stable vapor space in the heated fluid, maintaining the heating medium in a saturated state within the device. This ensures that the temperature field within the device is uniform and stable over a certain period of time, achieving isostatic wall temperature control of the heat pipe. By adjusting the power of the electric heating element, the temperature field within the device becomes uniform and stable over a certain period of time. This device also has voltage stabilization and temperature control functions, reduces circuit equipment, lowers experimental costs, and can also be used for isostatic wall temperature heating experiments in other scenarios.

This utility model discloses a constant temperature curing oven for powder coating, relating to the technical field of electrostatic spraying equipment. The utility model includes a curing oven body with protrusions at the top and bottom inside the body. Several air vents are located outside the protrusions. Several sets of corresponding upper and lower adjustment components are installed on the exterior of each protrusion. Each adjustment component includes several slides, with pull-out plates connected inside. Connecting rods are connected to both sides of the pull-out plates. Several motors are located on one side of the curing oven body. Several first and second rotating rods are connected to the exterior of the protrusions via mounting brackets. This utility model, by incorporating adjustment components, utilizes motors to drive the first rotating rods to rotate. Under the action of a first synchronous pulley and a first synchronous belt, the second rotating rods rotate synchronously. A traction rope pulls the pull-out plates along the slides, achieving real-time adjustment of the air vent opening size. This allows for adjustment of the hot air output according to the oven temperature requirements without stopping the machine, avoiding production interruptions and significantly improving production efficiency.

The utility model discloses a motor test load simulation device which comprises a supporting mechanism, a load tester and a motor body, the upper end of the supporting mechanism is provided with a heat preservation mechanism, the lower end of the supporting mechanism is provided with a temperature adjusting mechanism matched with the heat preservation mechanism, and the supporting mechanism comprises a detection table and a motor fixing frame. The motor body is fixedly installed on the motor fixing frame, an air inlet and an air outlet are formed in the position, close to the motor fixing frame, of the upper end face of the detection table, the heat preservation mechanism comprises a heat preservation cover and fixing bolts, and the heat preservation cover is arranged at the upper end of the motor body in a sleeving mode and rotationally connected with the detection table and fixed to the motor fixing frame through the fixing bolts. The temperature adjusting mechanism comprises a sealing box, an electric heating wire fan and a refrigerator. The motor test load simulation device has the advantages of rapid heating and cooling, uniform and stable temperature and convenient operation, and solves the problem that the motor test load simulation device cannot simulate an extreme temperature environment.

The utility model relates to the technical field of storage tank discloses a kind of sulfuric acid storage tank anti-crystallization heating insulation structure, including tank body and water circulation heating mechanism, tank body bottom is fixedly connected with multiple support legs, tank body outside is provided with heating insulation mechanism, heating insulation mechanism outside is fixedly connected with access ladder, tank body top is fixedly connected with grating, heating insulation mechanism further includes multiple heating jackets, heating jacket is connected with water circulation heating mechanism by pipeline, heating jacket is fixedly connected in tank body outside, heating jacket is fixedly connected with heat insulation partition in, heat insulation partition and heating jacket inside one side are fixedly connected with partition.In tank body outside setting multiple heating jackets, and through the design of shunt bin and double water inlet channel, make heating medium evenly distribute, eliminate the temperature difference of former section and rear section, avoid local low temperature crystallization and overheating corrosion, cooperate temperature sensor real-time monitoring, water circulation heating mechanism precision temperature control, guarantee the uniform and stable temperature of sulfuric acid in storage tank.

This utility model discloses a stable temperature control oil circulation temperature controller for molding presses, comprising a housing and a control console. An oil inlet pipe and an oil outlet pipe are respectively provided on one side of the housing. The oil inlet pipe is connected to an oil tank located inside the housing. The oil tank is connected to a heater, and the heater is connected to a circulation pump. The circulation pump is connected to a hot oil outlet pipe connected to the oil outlet pipe. A temperature sensor is provided at the upper part of the hot oil outlet pipe. The hot oil outlet pipe is connected via a three-way pipe to an oil outlet pipe equipped with a first solenoid valve and an oil tank return pipe equipped with a second solenoid valve, which communicates with the oil tank. A filter component is connected between the oil inlet pipe and the oil tank inlet pipe. The filter component includes a pipe body connected to the oil inlet pipe and the oil tank inlet pipe, and a first filter screen located in the inner cavity of the pipe body. This utility model allows low-temperature heat transfer oil to flow back to the oil tank and re-enter the heater for heating. It also filters out oxidized and coked waste residue in the heat transfer oil, ensuring that the heat transfer oil is heated evenly in the heater and maintaining a uniform and stable temperature.

The utility model relates to bird's nest stewing device technical field, especially a kind of bird's nest stewing device. Including pot body, the pot body top is equipped with pot cover, the pot body side wall is equipped with control panel, the pot body bottom is equipped with heating device, the heating device is connected with the control panel;The pot body inside is equipped with support plate, the support plate side wall is symmetrically equipped with two connecting blocks, the connecting block is connected with the pot body, the support plate is equipped with multiple placing grooves, the first inner bag is equipped in the placing groove, the first inner bag top is equipped with sealing cover;The first inner bag outside is equipped with fixed ring, and the fixed ring is located at the support plate top.The device provided by the utility model sets up support plate in the pot body, is equipped with multiple placing grooves on support plate, can place multiple first inner bags simultaneously, each first inner bag can hold different ingredients or different amount of bird's nest, satisfy the individualized demand of different users.

The utility model is used for controlling box technical field, disclose a kind of heat dissipation explosion -proof temperature control box, including box, the outside surface of box is equipped with the box cover of rotation, and the upper end of box is fixedly installed with warning light, the rear surface of box is fixedly provided with mounting box, one end of mounting box is through the inside surface of box.This heat dissipation explosion -proof temperature control box, by setting up mounting box and the closed circulation system of flow guide pipe, realize the physical isolation of air in box and outside, avoid dust, humidity and explosive gas into the inside of box, from the root, eliminate the short circuit, corrosion and other problems caused by electrical components due to external environmental factors, at the same time, this design eliminates the safety hazard that spark ignites explosive gas in open heat dissipation structure, significantly improves the explosion -proof safety of temperature control box in flammable and explosive dangerous environment, ensure that equipment can operate stably under complex harsh environment.

The application discloses an active thermal management method for a motor driver of an aircraft. The method adopts temperature-sensitive electrical parameters to construct a thermal network and comprehensively considers measured temperature of a temperature sensor, and performs active thermal management control from three aspects of driving parameter, modulation strategy and working cycle to inhibit overall temperature fluctuation of the driver, balance temperature of the same bridge arm and balance temperature of the same phase and different bridge arms. The application has the beneficial effects that: the working state of the driving device is actively and overall adjusted, the temperature of the aircraft driving unit is balanced and stabilized, and the operation and maintenance cost of the driver is reduced; the real-time and accuracy of temperature collection are considered, the method has strong practicability and wide application prospect; and the method has unique advantages in the fields of inhibiting temperature fluctuation of the power device and prolonging the service life of the driver.

The utility model discloses a simulation device based on a water-drive reservoir seepage field, which comprises a simulation box, a simulation cavity arranged in the simulation box, a box cover mounted on the top of the simulation box, a transparent observation plate mounted on the front side of the simulation box, a heating box mounted on the inner side of the simulation cavity, and a plurality of uniformly arranged heating wires mounted in the heating box, cooling water pipes are mounted in the partition plates; a seepage plate is mounted between the partition plates on the left side and the right side; a seepage medium filling module is mounted at the top of the seepage plate; a pressure sensor is mounted in the seepage medium filling module; a temperature sensor is installed on the fixing frame, a simulation production well is installed on one side of the top of the box cover, the output end of the simulation production well is connected with an adapter pipe, a control valve is installed in the adapter pipe, the output end of the control valve is connected with a collecting cylinder, a water tank is installed at the bottom of the simulation box, a water pump is installed in the water tank, and the output end of the water pump is connected with water.

The utility model discloses a tea leaf fixation hot-blast stove which comprises a box body and a hot air chamber arranged in the box body, one end of the hot air chamber is provided with a hot air outlet, a combustion chamber is arranged in the hot air chamber, the combustion chamber is connected with a group of heat exchange box bodies in series, and the tail ends of the heat exchange box bodies are connected with a smoke exhaust device. An air inlet chamber is arranged at one end of the hot air chamber in the box body, a group of heat exchange pipes communicated with the air inlet chamber are arranged in the heat exchange box body, and air in the air inlet chamber sequentially enters the heat exchange pipes of the heat exchange box body for heat exchange, then enters the hot air chamber and is discharged from the hot air outlet. Heat generated by fuel combustion can be fully utilized, heat dissipation loss and smoke exhaust heat loss are effectively reduced, the heat conversion rate is remarkably improved, and the hot blast stove can be widely applied to the field of tea leaf fixation hot blast stoves.

The application discloses a cigarette machine electric iron segmented heating device and relates to the technical field of cigarette processing. The device comprises an upper seat plate and a lower seat plate. A ceramic heating body is fixedly connected to the lower seat plate. An installation groove is formed in the ceramic heating body. A plurality of ceramic heating pieces are fixedly connected to the inner wall of the installation groove. The ceramic heating pieces are divided into three heating sections. The three heating sections are integrally packaged by ceramic. Each heating section comprises a resistance wire. A thermocouple is fixedly connected to the middle part of each heating section. The device is provided with a plurality of ceramic heating pieces, which are divided into three heating sections. A thermocouple is arranged in the middle part of each heating section. The temperature change of each heating section of the ceramic heating piece is monitored by the thermocouple. The working state of the resistance wire of each heating section is independently controlled. The temperature of the working surface of the heating structure is balanced and stable. The cigarette processing quality is improved.

The utility model relates to the technical field of tunnel construction in alpine regions, in particular to a constant-temperature anti-cracking structure for secondary lining concrete of a portal section in an alpine region. The constant-temperature anti-cracking structure for the secondary lining concrete of the hole section in the alpine region comprises embedded pipes, and a plurality of axial embedded pipes are embedded in the secondary lining concrete of the hole section; the heating modules are arranged in all the embedded pipes in an inserted mode; and the waterproof structure layer is pre-buried on the outer peripheral surface of the hole section secondary lining concrete. The device can quickly respond to the external temperature change so as to timely adjust the active heating temperature, realizes the constant-temperature anti-cracking of the secondary lining concrete, and also has the advantages of low maintenance cost, no leakage risk and the like.

This utility model discloses a temperature-controlled refrigerated display cabinet based on copper tube refrigeration, relating to the technical field of refrigerated display cabinets. It includes a cabinet body and ventilation holes. The cabinet body has an electrical box fixed to its bottom surface, a compression refrigeration module placed inside the bottom surface of the electrical box, and a shell fixed to the top surface inside the electrical box. A copper tube evaporator is installed inside the shell, and a base is connected to both ends of the front side of the shell. A fan is placed inside the base. The copper tube evaporator and the compression refrigeration module are connected via tubes. This temperature-controlled refrigerated display cabinet based on copper tube refrigeration significantly improves the durability and reliability of the equipment by using a corrosion-resistant copper tube evaporator core. Combined with an intelligent temperature-controlled curtain and air curtain system, it effectively isolates the exchange of internal and external air, achieving precise temperature control and high energy efficiency. Sliding support rods allow for the placement of trays of different heights, thus improving the display effect of fresh food.

The utility model discloses a hot air-based ABS (acrylonitrile butadiene styrene) resin pellet efficient drying device which comprises a treatment bin, a drying device is arranged in the treatment bin, a control device is arranged on one side of the treatment bin and comprises a fixed pipe, a control sleeve, a connecting pipe, a control panel, a control shaft, a control groove and a rotating shaft, and one end of the control panel is rotatably connected with the control sleeve through the rotating shaft; a control shaft arranged on the other side of the control panel is slidably located in a control groove, the control groove is formed in the connecting pipe, a reinforcing mechanism is arranged on the outer side of the fixing pipe and comprises a clamping rail, a clamping spring, a clamping block, a clamping groove, a clamping sleeve and a fixing block, the clamping rail is installed on one side of the control sleeve, the clamping spring is connected with the clamping block, and the clamping groove is connected with the clamping sleeve. The clamping block is arranged on the outer side of the clamping rail in a sliding mode through the clamping groove, the clamping sleeve is connected with the fixing pipe through threads, and the fixing block is installed on the outer side of the fixing pipe, and the three technical problems that natural drying efficiency is low, the hot air speed adjusting capacity is insufficient, and the stability of an air speed adjusting structure is poor are solved.

The invention relates to the field of chemical equipment, and particularly discloses a reaction kettle for sodium silicate production, the reaction kettle comprises a machine body, the bottom of the machine body is fixedly provided with a supporting column, and the reaction kettle for sodium silicate production of the chemical equipment is provided. The reaction kettle for water glass production has the beneficial effects that accurate control over the reaction temperature and efficient utilization of heat energy are achieved through the integrated coil pipe heat exchange and waste heat recovery system, the spiral coil pipe is tightly attached to the outer wall of the reaction box, the heat exchange area is greatly increased, temperature and pressure sensor signals are matched to be fed back to the controller, and the temperature and pressure sensors are controlled to be controlled. The flow of a heat exchange medium can be adjusted in real time, the temperature in the kettle is ensured to be uniform and stable, the consistency of the polymerization degree of water glass is favorably controlled, meanwhile, steam waste heat generated in the treatment box is introduced into the waste heat recovery block through the heat conduction pipe, is subjected to heat exchange through the snakelike flow channel and then is introduced into the coil pipe for cyclic utilization, and energy conservation and consumption reduction are achieved.

This utility model relates to the field of annealing furnace technology, specifically to an annealing furnace temperature uniformity control device. The device includes an annealing furnace body with multiple interconnected partitioned chambers inside. Temperature-controlled electric heating tubes are fixedly installed on the walls of each partitioned chamber. A temperature distribution assembly is also provided on the furnace body. This assembly includes an insulated air inlet pipe fixedly installed on one side of the furnace body and an insulated air outlet pipe fixedly installed on the other side. The outlet end of the insulated air outlet pipe extends into the furnace body and is fixedly connected to a vertical pipe. Multiple distribution pipes are fixedly installed on the vertical pipe. A centrifugal fan housing is fixedly installed between the insulated air inlet pipe and the insulated air outlet pipe. Centrifugal fan blades are rotatably connected inside the centrifugal fan housing. The drive shaft of the centrifugal fan blades is connected to a drive motor via a heat-insulated transmission rod. This utility model facilitates temperature uniformity and is beneficial for metal annealing operations.