160results about How to "Accurate temperature control" patented technology

The invention relates to an off-peak electricity peak use control method and a temperature control strategy and a power management system applying the off-peak electricity peak use control method, and belongs to the technical field of energy-saving control. Respectively establishing objective functions of the total cost of the storage battery module, the volume of the storage battery, the recovery period and the loss in the electricity storage process of the storage battery; s2, solving the plurality of objective functions through an NSGA-II algorithm to obtain a Pareto frontier solution; and S3, calculating the weighted sum of each objective function by using a minimize function, obtaining an optimal solution with the minimum weighted sum in the solutions of the Pareto frontier, configuring the storage battery according to the optimal solution, and switching the commercial power or the storage battery to supply power to the compressor according to the electricity price of the peak valley electricity period. According to the valley electricity peak use control method, the problems that the capacity configuration of the storage battery is not clear and the recovery period is not clear are solved, the power consumption cost is minimized, and the pressure of the peak period of the power grid is relieved.

The invention discloses an electric burning roller kiln constant temperature control system and method based on multi-energy mixed use, and relates to the technical field of kilns. The electric burning roller kiln constant temperature control system based on multi-energy mixed use comprises an electric burning roller kiln temperature detection module, a constant temperature dynamic control module, a multi-energy proportional regulation and control module and an automatic temperature control module. The temperature of the electric burning roller kiln is obtained and analyzed to obtain the adjustment temperature difference, whether constant temperature control is carried out or not is judged, then the temperature control grade is obtained through the temperature difference analysis coefficient of the electric burning roller kiln, and heat energy supply is carried out according to the temperature control grade. Meanwhile, heat energy data are obtained, a constant-temperature proportion is obtained by combining a preset proportion and an adjustment temperature difference, the constant-temperature proportion accords with an evaluation coefficient for proportional adjustment, and finally energy supply is automatically switched according to the stage division evaluation coefficient, so that the effect of improving the constant-temperature control accuracy of the multi-energy mixed use electric burning roller kiln is achieved. The problem that in the prior art, constant temperature control of an electric burning roller kiln for multi-energy mixed use is not accurate is solved.

The utility model relates to the technical field of electronic cigarettes, in particular to a heating tube packaging structure which comprises a heating tube, a first connecting tube, a second connecting tube and a first heat shrink tube, the first connecting tube is arranged at the first end of the heating tube and is coaxial with the heating tube, the second connecting tube is arranged at the second end of the heating tube and is coaxial with the heating tube, and the first heat shrink tube is arranged in the second connecting tube. The first connecting pipe, the heating pipe and the second connecting pipe are connected into a whole through a first heat shrink tube. The heating tube packaging structure provided by the utility model solves the difficulty in fixing the temperature measuring element and the lead, avoids health hidden dangers caused by packaging with glue, heat preservation cotton and the like, has the characteristics of small heat capacity, good heat insulation, good adaptability and the like, can meet the requirements of quick response, accurate temperature control and low energy consumption, and is suitable for popularization and application. The mouth feel of the electronic cigarette smoking set made of the heating pipe packaging structure can be comparable with that of an international advanced electromagnetic induction inner core heating smoking set, and a special cigarette with a metal heating sheet does not need to be matched.

The invention relates to the technical field of organic synthesis, in particular to a method for continuously synthesizing a pyroxasulfone intermediate, which at least comprises the following steps: mixing polyformaldehyde and a compound I to prepare a solution A, respectively introducing the solution A and sulfonyl chloride into a micro-channel reactor for chloromethylation reaction, and after the reaction is finished, carrying out post-treatment to obtain the pyroxasulfone intermediate. The compound I is 1-methyl-3-trifluoromethyl-5-difluoromethoxy-1-H-pyrazole, and the compound II is a compound III. The pyroxasulfone intermediate is 1-methyl-3-trifluoromethyl-4-chloromethyl-5-difluoromethoxy-1-H-pyrazole, and the structural formula of the pyroxasulfone intermediate is shown in the description. By adopting the microchannel reactor, mass transfer between two-phase fluids can be enhanced, rapid and sufficient mixing of two strands of materials is realized, so that the reaction process is enhanced, the flow rate, the reaction temperature, the reaction time, the pressure and the like are controlled for reaction, and the method has the characteristics of high purity, high yield, simple synthesis process, no pollution and easy treatment of three wastes, and is suitable for industrial production. The industrial application is facilitated.

The intelligent temperature control self-adaptive reaction kettle cleaning method comprises the following steps: firstly, carrying out system preparation and initialization, and setting cleaning parameters and reinforcement learning algorithm parameters; positioning and detecting the reaction kettle, and obtaining the pollution degree of the inner wall as an initial state input; then the intelligent control system determines the temperature, the reinforcement learning algorithm adjusts the temperature according to the state, the controller is used for controlling the heating coil to heat, and the temperature is accurately controlled through the PID algorithm; then starting a washing mechanism to clean the reaction kettle, adjusting the rotating speed of the washing mechanism according to the cleaning state through a reinforcement learning algorithm, spraying heated cleaning liquid by a water pump to cooperate with cleaning, monitoring the cleaning effect, temperature and pressure in real time in the cleaning process, and adjusting a cleaning strategy through the reinforcement learning algorithm according to feedback information; and finally, the intelligent control system judges that cleaning is finished, equipment is reset, the reaction kettle is cleaned, checked and dried, and cleaning data is recorded for subsequent analysis and optimization. The self-adaptive cleaning is realized through a reinforcement learning algorithm, and the cleaning quality and the safe operation of the system can be ensured.

The utility model discloses a temperature-controllable anti-shake fiber bragg grating packaging structure, which comprises a heat conduction sleeve, a heat conduction piece, a TEC temperature control device, an insertion core and an external packaging device, a fiber bragg grating assembly penetrates through the inside of the heat conduction sleeve, and the space between the inside of the heat conduction sleeve and the fiber bragg grating assembly is filled with the heat conduction piece. The TEC temperature control device is attached to the side face of the heat conduction sleeve, the insertion cores are arranged at the two ends of the heat conduction sleeve, the insertion cores are fixedly connected with the part, extending out of the heat conduction sleeve, of the fiber grating assembly, the outer packaging sleeve is arranged on the outer side of the heat conduction sleeve in a sleeving mode, and the heat dissipation face of the TEC temperature control device is connected with the inner side face of the outer packaging sleeve through a heat conduction piece. According to the utility model, the problems of temperature control and vibration isolation of fiber bragg grating packaging are solved, the temperature of the fiber bragg grating assembly can be accurately controlled, and the fiber bragg grating assembly has good vibration isolation and anti-shake effects.

The utility model discloses a battery thermal management system. The battery thermal management system comprises a battery module, a control module, a timer, an air conditioning system heat exchanger, a four-way reversing valve and a compressor, the battery module comprises a shell, a semiconductor cooler is arranged on the outer surface of the shell, a refrigerant pipeline is arranged in the shell, a plurality of battery cells are arranged in an area defined by the refrigerant pipeline, the battery cells are all arranged in heat conduction pipes with fins in a sleeved mode, and gaps in the shell are filled with PCM phase change materials. Temperature sensors are respectively arranged on the inner surface of the shell and the upper and lower surfaces of the battery cell; a heat flux density sensor is arranged in the PCM phase change material; a first electromagnetic valve and a second electromagnetic valve are arranged at an inlet and an outlet of the refrigerant pipeline respectively, the first electromagnetic valve is connected with an air-conditioning system heat exchanger, and the air-conditioning system heat exchanger is connected with a compressor and the second electromagnetic valve through a four-way reversing valve. And the timer is connected with the semiconductor cooler, the first electromagnetic valve and the second electromagnetic valve. According to the utility model, accurate temperature control can be realized, and the temperature uniformity and safety of the battery are improved.

This utility model relates to the field of fiber composite material tank winding molding, and provides a closed-cavity self-heating fiber winding molding tooling, including: a central rotating shaft, a heating assembly, and a detachable molding surface composed of multiple molding panels; wherein a heating element is attached to the inner surface of the molding panel; a conductive slip ring is provided at the end of the central rotating shaft to conduct electrical energy to the heating element; a temperature monitoring device collects the temperature of each molding panel in real time. This tooling achieves in-situ curing of the composite material under rotation by conducting electrical energy to the heating element through the conductive slip ring, and the temperature monitoring device can monitor and adjust the temperature in real time to ensure a uniform and stable temperature field; at the same time, the segmented and detachable design facilitates demolding after curing. This utility model solves the self-heating problem of fiber winding molding tooling with a closed cavity, and can significantly improve the molding efficiency and molding quality of composite material tank parts, and has good application prospects.

The utility model discloses a kind of chemical fibre recycled material pretreatment reaction kettle, belong to spinning equipment technical field, this kind of chemical fibre recycled material pretreatment reaction kettle, including kettle body and electromagnetic heating control cabinet, the kettle body is three-layer structure, its inner layer is provided with pressure vessel layer, the pressure vessel layer directly contacts material, the intermediate layer of kettle body is provided with electromagnetic heating coil, and the electromagnetic heating coil is electrically connected in electromagnetic heating control cabinet, the outermost layer of kettle body is provided with heat preservation protective shell, and the front, middle and rear of kettle body are provided with temperature measuring probe. Heating is carried out to reaction kettle using electromagnetic induction coil cooperation electromagnetic heating control cabinet, heat loss is reduced in heating process, energy consumption cost is lower, and the response speed of heating is faster, without preheating and waiting, the temperature of reaction kettle is measured in real time by temperature measuring probe, cooperate electromagnetic heating control cabinet accurate temperature control, with better use effect.

This invention relates to the field of casting technology, and more particularly to a high-strength drive wheel casting process. The steps include: Step 1, alloy material preparation; Step 2, melting and micro-alloying treatment; Step 3, mold preparation and pouring; Step 4, solidification and cooling staged control; and Step 5, heat treatment process. By optimizing the alloy composition, improving the mold structure, precisely controlling melting and pouring, and adapting the heat treatment process, this invention solves the technical problems of insufficient strength, high defect rate, and poor forming accuracy in existing drive wheels. The invention also improves the structure and adapts the cooling chamber to the process, combining a controlled atmosphere cooling chamber with a staged cooling process. It incorporates partition isolation components, waste heat recovery components, and a temperature control unit, achieving independent partitioned cooling of the casting, precise temperature control, and waste heat reuse. This solves the problems of "airflow interference, uneven cooling, and energy waste" in existing cooling chambers.

The utility model discloses a sterilization device for sea-buckthorn primary pulp, which comprises a sterilization heating box, two heat insulation plates are welded in the middle of an inner cavity of the sterilization heating box, the inner cavity of the sterilization heating box is divided into three continuous spaces, namely a heating cavity, a connecting cavity and a sterilization cavity, and a spiral heating pipe is fixedly mounted in the heating cavity; and a spiral sterilization pipe is fixedly mounted in the sterilization cavity. According to the utility model, the temperature of primary pulp is raised to 90 DEG C in a short time through the spiral heating pipe, so that the heating efficiency is improved; microorganisms in the primary pulp are fully killed through the spiral sterilization tube, and heat-sensitive nutritional ingredients are prevented from being damaged by high temperature for a long time; rapid cooling of the primary pulp is achieved through the cooling pipe, and secondary damage to nutrition caused by continuous heat action is reduced; the multiple temperature sensors monitor the temperature in the heating, sterilizing and cooling stages in real time, the feeding speed, the water suction pump power, the heater temperature and the semiconductor refrigeration power are dynamically adjusted in combination with the industrial computer, and whole-process precise temperature control is achieved.

This invention relates to the field of twin-screw extruder technology, specifically to a two-part twin-screw extruder barrel electromagnetic heating body, equipment, and system. The electromagnetic heating body consists of two L-shaped main bodies hinged together to form a rectangular structure. A through hole is opened in the middle of the rectangular structure to serve as a space for accommodating the die barrel. The outer shell is made of mica sheet assembled using corner brackets. Its inner surface is lined with radiation-shielding material, and the inside of the radiation-shielding material is lined with thermal insulation cotton. An electromagnetic coil is placed on the thermal insulation cotton. The innermost side is sealed with a thin mica sheet to the electromagnetic coil, thermal insulation cotton, and radiation-shielding material. The electromagnetic coil is electrically connected to an electromagnetic heater. This invention uses electromagnetic heating of the barrel to generate its own heat, avoiding secondary energy waste caused by heat transfer, improving heating efficiency. Compared with resistance wire heating, the power saving rate during normal production can reach 50%, and it also increases production capacity to a certain extent. It also has the advantages of precise temperature control and reduced ambient temperature.

This application relates to the field of tail gas absorption technology, specifically disclosing a tail gas absorption device for phenothiazine production. The pretreatment mechanism in this application can induce sublimation of phenothiazine microcrystals in the tail gas through multiple stages, allowing the microcrystals to grow sufficiently to a collectable size before entering the collection zone. Then, a multi-stage blade collection mechanism progressively adheres and collects the grown microcrystals, achieving efficient recovery of the phenothiazine microcrystals. Simultaneously, an absorption tower is set up to absorb hydrogen sulfide from the collected tail gas with alkaline solution, and an activated carbon adsorption tower is set up to deeply purify residual hydrogen sulfide and volatile organic compounds. This forms a complete treatment chain with graded treatment and each stage performing its specific function, effectively solving the problem of blockage caused by microcrystals directly entering the absorption tower in existing technologies, while also achieving the recycling of high-value products.

The invention discloses a pressure-controllable clamping and dipping device and method for rock sample cementing treatment, and belongs to the technical field of rock sample tests. The device consists of a radial centering pressurizing module, an independent heating container and a hydraulic control system, the independent heating container and a saucepan with a built-in thermometer are fixed on a base, and a heating wire is arranged at the bottom of the base. An annular hydraulic oil groove is integrated in the base and connected with an internal pushing rod through multiple sets of hydraulic oil pipes, a sample contact plate is installed at the tail end of the pushing rod, and a supporting block is arranged on the outer side for positioning. The radial centering and pressurizing module is erected above the circumferential centering and pressurizing module; and an internal pushing rod is connected with the pressure transmission plate and the sample contact plate. A manual hydraulic pump is connected with an oil pump pressurization connector through a quick connector, a hydraulic oil pipe is provided with a high-precision pressure gauge and a control valve, a separator is laid in a sample contact area, and all the components cooperate to achieve cementing treatment of a rock sample at constant temperature and constant pressure.

The utility model discloses a dish-shaped heating plate which comprises an upper plate body and a buckle type lower plate body which are integrally formed. A boss wave surface and an annular groove are arranged at the bottom of the upper tray body, and double groups of Cr20Ni80 heating wires are arranged in the upper tray body; the lower disc body is provided with a spring adjusting mechanism. Water seepage prevention is achieved through an integrated structure, uniform heating is achieved through double sets of heating wires, deformation resistance is achieved through buckling design, and efficient and stable heating is achieved. The electric cooker has the advantages of being high in heat efficiency, long in service life and easy to clean.

The invention belongs to the technical field of low-pressure casting, and particularly relates to a low-pressure casting device and method for a large-size aluminum alloy shell metal outer mold composite sand core, the height of a large-size aluminum alloy shell casting is not lower than 600 mm, the inner diameter is not lower than 700 mm, and the average wall thickness is 14-20 mm; the low-pressure casting device comprises a mold system, a sand core system, a pouring system, a chilling block system and a dead head, the pouring system adopts a bottom pouring and stepped pouring mode, the structure of the pouring system is designed according to the height, the transverse characteristic size and the average wall thickness of a casting, the pouring system is deeply optimized, and the casting quality is improved. By adopting the design mode of multiple sprues and circumferentially and uniformly distributed transverse sprues, it is ensured that a feeding channel is solidified later than a casting, the pressure maintaining pressure is continuous and effective, the casting defects of cold shut, air holes, shrinkage cavities, shrinkage porosity and the like are avoided, the mechanical property and air tightness of the large-size casting are remarkably improved, and the cost rate is increased.

The utility model discloses a segmented precise temperature control blackbody radiation source device which comprises a blackbody furnace, the outer walls of the two sides of the blackbody furnace are both provided with multiple sets of temperature control grooves, temperature control pipes are installed in the multiple sets of temperature control grooves, the outer wall of the blackbody furnace is fixedly connected with a device box, the upper end face of the device box is fixedly connected with a first connecting pipe, and the first connecting pipe is fixedly connected with a second connecting pipe. A plurality of sets of branch pipes are arranged on the outer wall of the first connecting pipe and communicated with the temperature control pipes adjacent to the branch pipes, electromagnetic valves are arranged at the ends of the branch pipes, a piston and a sliding block are connected into the device box in a sliding mode, and the sliding block is connected with the piston through a connecting mechanism. According to the utility model, a plurality of groups of temperature control grooves and temperature control pipes are arranged, and the temperature controller is arranged in the device box, so that the flow and the temperature of the cooling liquid can be accurately controlled, and the accurate temperature control of each area of the blackbody furnace can be realized. According to the design, the precision of temperature control is greatly improved, so that the blackbody radiation source device has better performance in an application scene requiring precise temperature control.

The application belongs to the technical field of fluorine-containing fine chemical synthesis, and particularly relates to a preparation method of 2-bromoheptafluoropropane. Liquid heptafluoropropane and liquid bromine are heated and vaporized, sent into a static mixer, mixed, and then sent into a tubular reactor for bromination reaction. The reactor comprises a preheating section and four reaction sections connected in sequence. The temperature of the preheating section is controlled to be 300-350 DEG C. According to the material flow direction, the center temperatures of the four reaction sections are controlled to be 500-505 DEG C, 500-505 DEG C, 495-500 DEG C and 490-495 DEG C in sequence. The mixed gas after reaction is sent into a quenching device for cooling, and then subjected to defluorination, water washing, alkali washing, dehydration and condensation separation to obtain high-purity 2-bromoheptafluoropropane. The application integrates full-silicon material containers, multi-section intelligent partition heating and rapid quenching, significantly improves reaction conversion rate and operation stability, and finally improves product quality and reduces production cost.

The utility model discloses a high-compatibility imaging and temperature control system for an ovarian simulated organ and a zebra fish early embryo, which comprises a mold and a culture dish, agarose is placed in the culture dish, the mold is used for rubbing the ovarian simulated organ and an embryo imaging dish on the agarose, and the system further comprises an electric heating film and a temperature controller, the electric heating film is arranged below the culture dish, the input end of the electric heating film is electrically connected with the temperature controller, and an inductive probe of the temperature controller is arranged in the agarose for temperature monitoring; the mold comprises an ovarian organ simulating mold and a zebra fish early embryo mold. The mold is more fit in design and good in stability, 63 ovarian simulated organs or 30 early embryos can be contained at the same time, the mold is used in cooperation with a temperature controller and an electric heating film, imaging is stable, development temperature control is accurate, the operation difficulty is low, and repeatability is high.

The utility model provides a system for producing hydrogen by electrolyzing water. The system comprises a liquid source; the electrolytic cell assembly is provided with a liquid inlet; an outlet of the main water inlet pipeline is communicated with the liquid inlet, and an inlet is communicated with a liquid source; the heat exchanger is arranged on the main water inlet pipeline; an outlet of the bypass branch communicates with the liquid inlet, and an inlet of the bypass branch communicates with a bypass branch connecting point of the main water inlet pipeline, so that the bypass branch and the heat exchanger are arranged in parallel; a flowmeter and an adjusting assembly. By arranging the bypass branch, heat exchange can be carried out without a heat exchanger during low-flow operation and test, so that accurate temperature control of water is realized.

The present invention discloses a thermoforming mold based on magnetocaloric effect, comprising a molding mold and a heating die head. The molding mold is composed of a plurality of molding molds, wherein an electromagnetic heating coil is arranged inside the molding mold. The heating die head cooperates with the molding mold, and the heating die head comprises a heating core rod, which extends into the mold cavity of the molding mold. The present invention has a reasonable design and a detailed principle. Based on the magnetocaloric effect, the invention is not directly applied to material heating, but the heating core rod is heated by the electromagnetic heating coil, and then the sealed blank is expanded and formed, thus filling the application gap of the magnetocaloric effect in the expansion forming direction and continuing the advantages of the magnetocaloric effect, so that the thermoforming mold has the advantages of environmental protection, accurate temperature control, high energy utilization rate, no need for combustion, no noise, etc., and is very suitable for promotion and application in the field of expansion forming.

The utility model relates to a kind of paddle repair clamps in paddle repair technical field, including heating electric control box and fixed clamp box, the clamp assembly includes jaw, clamping block and mounting seat, upper jaw and lower jaw are connected by ratchet structure, the surface of mounting seat is connected with the heating assembly for heating auxiliary paddle to repair;The overall weight of the utility model equipment is 46KG, convenient to carry and transport, can work more than 5 hours continuously after the equipment rests after each power failure, can maintain long continuous working time, the flexibility of site movement is increased using portable repair equipment, good operability can be provided in narrow space, good flexible mobility can be provided in complex site, and high-precision digital display temperature controller is configured inside as double-chip temperature control, power supply is automatically cut off to stop heating after reaching set temperature, ensure that repair area temperature range is ±5 ℃, fast deployment and operation can be carried out in high-altitude, offshore, remote wind farm and other field environments.

This utility model relates to a TEC-based rack air conditioning device. The cooling components, from the outside to the inside, include a cooling fan, heat dissipation fins, a thermoelectric cooler, cold-end fins, and a cold-end fan. Multiple thermoelectric coolers are provided and fixed to a mounting plate. The inner sidewall of the housing is close to the rack to be cooled. The inner wall of the housing has a cold-end air inlet and a cold-end air outlet. A U-shaped air duct is provided inside the housing, with one end connected to the cold-end air inlet and the other end aligned with one side of the cold-end fins. The cold-end air outlet is aligned with the cold-end fan. A hot-end air inlet is provided on the sidewall of the housing, and a hot-end air outlet is provided on the outer wall, respectively aligned with one side of the heat dissipation fins and the cooling fan. This device uses thermoelectric coolers for cooling, overcoming the problems of large size, heavy weight, and high noise in existing rack air conditioners on the market. The U-shaped air duct design at the cold end as the air inlet improves the heat exchange efficiency within the rack. PID control technology allows for precise temperature control within the rack, making it suitable for various application scenarios.

The invention discloses a battery heat preservation control device and a control strategy. According to the technical scheme, the battery heat preservation control device is characterized by comprising a conventional battery pack, a bypass BMS, a low-temperature-resistant battery, a temperature control management module, a heating film and at least two paths of temperature sensors; the conventional battery pack comprises a main BMS (Battery Management System) and a main battery cell; the bypass BMS is electrically connected with the low-temperature-resistant battery, the bypass BMS is in communication connection with the temperature control management module, and the low-temperature-resistant battery supplies power to the temperature control management module and the heating film; the heating film is attached to the surface of the main battery cell, and the at least two paths of temperature sensors are respectively arranged at different positions of the main battery cell so as to monitor the temperature of the main battery cell. The system supplies power independently and does not consume the power of a main battery. The device is accurate in temperature control, improves the safety of the battery, avoids local overheating or insufficient heating, and improves the use safety of the battery.

The application discloses a multi-branch heating pipe hot air assembly, which is mainly cylindrical, and is provided with a tapered narrowing air inlet end and an air outlet end at two ends of the main body; the main body comprises an aluminum heat dissipation cylindrical shell provided with inward fins; the cylindrical shell is inwardly and sequentially nested with an aluminum cylindrical heat transfer main body and an aluminum inner core heat dissipation cylinder with the fins of the heat transfer main body outward; a plurality of through holes are uniformly distributed on the heat transfer main body in the axial direction, and a heating pipe not in contact with the heat transfer main body is arranged in the through hole; an outer wall air duct is arranged between the cylindrical shell and the heat transfer main body and is communicated with the air inlet end and the air outlet end; the heating pipe is communicated with the air inlet end and the air outlet end to form an inner core air duct; a heat transfer main body center air duct is arranged between the heat transfer main body and the inner core heat dissipation cylinder and is communicated with the air inlet end and the air outlet end; and the heat transfer main body and the heating pipe are fixed with the air inlet end and the air outlet end through fixing members located at two ends. The equipment has the characteristics of precise temperature control, high-temperature dry burning protection, good sealing performance, high energy efficiency, fast heating rate and high heat exchange efficiency.

The utility model discloses a liquid-cooled container control system, which comprises a cabinet main body and a double-pump circulation module integrated in the cabinet, the double-pump circulation module comprises a main liquid pump and a standby liquid pump, the main liquid pump is driven by a frequency converter, the standby liquid pump can be driven by a power frequency power supply or the frequency converter, and a multipoint temperature acquisition module is arranged in the cabinet main body. By adopting the double-pump redundancy design, the standby pump can be seamlessly connected within 200 milliseconds when the main pump breaks down, the continuous operation of the system is ensured, the availability of the system is as high as 99.99%, meanwhile, the main liquid pump is provided with the frequency converter, the rotating speed is dynamically adjusted according to real-time pressure feedback, and compared with a traditional fixed-frequency pump, energy is saved by 20-30%. Multi-point temperature collection and closed-loop control are achieved, accurate temperature control is achieved, energy consumption is further reduced, a liquid leakage detection sensor is matched to trigger a signal at the moment of liquid leakage, a power source is cut off immediately through a PLC, an alarm is given, and electric short circuit and equipment damage are effectively avoided through millisecond-level response.

The present invention relates to the technical field of automobile injection molding repair, and in particular to a defect repair device for automobile interior injection molding. The present invention includes a supporting device, a fixture, a preparatory processing device and an injection device. A material moving device is installed on one side of the supporting device, and a shaping device and a monitoring device are also installed on the supporting device. The supporting device is used to support other structures to facilitate processing operations. The fixture is used to install and fix molds and injection moldings that need to be repaired, which is convenient for repair operations on injection moldings and avoids displacement of injection moldings during processing. The material moving device is used to transfer and transport injection moldings to be repaired, which is convenient for automatic loading and improves equipment processing efficiency. The preparatory processing device is used to perform preliminary processing and repair on the injection moldings to be repaired, which is convenient for subsequent repair and shaping operations. The injection device is used to inject hot melt material into the area to be repaired of the injection molding to achieve automatic material replenishment and repair.

The utility model provides a continuous device for preparing lipoic acid. The continuous device comprises a continuous feeding device, wherein reaction raw materials are stored in the continuous feeding device; a feeding hole of the continuous reaction device is communicated with a discharging hole of the continuous feeding device so as to generate a continuous reaction product; a feed port of the continuous concentration and liquid separation device is communicated with a discharge port of the continuous reaction device so as to perform continuous concentration and liquid separation on the continuous reaction product to obtain a concentrated liquid separation product; a feeding hole of the continuous hydrolysis and dilution device is communicated with a discharging hole of the continuous concentration and liquid separation device so as to carry out continuous hydrolysis and dilution on the concentration and liquid separation product to obtain a hydrolysis and dilution product; a feeding hole of the continuous extraction and crystallization device is communicated with a discharging hole of the continuous hydrolysis and dilution device so as to carry out continuous extraction and crystallization on a hydrolysis and dilution product, and inputting the hydrolysis and dilution product into the continuous post-treatment device for continuous post-treatment to obtain a lipoic acid crude product; the problem of low production efficiency of intermittent production of lipoic acid in the prior art is solved.

This utility model relates to the field of drilling equipment technology and discloses a drilling device for soil thermal desorption remediation, comprising: a base and a mounting frame, with a tensioning cylinder installed inside. The output end is connected to a guide rod via a guide frame, and a motor is installed at the bottom of the guide rod. A mounting block is coaxially mounted on the motor rotor, with a drill rod and drill bit mounted at its bottom. A fan is located inside the mounting block. A resistance heating element is installed inside the drill rod, and a soil parameter sensor group is mounted on its surface. A temperature regulation module is located on the surface of the sensor group. This device achieves efficient drilling by driving the drill rod and drill bit to rotate with the motor; the resistance heating element inside the drill rod directly heats the soil during drilling, promoting the volatilization of pollutants and improving the efficiency of thermal desorption remediation; the soil parameter sensor group monitors soil parameters in real time, and the temperature regulation module adjusts the heating temperature accordingly to achieve precise temperature control and ensure the remediation effect; the fan accelerates the diffusion and discharge of volatilized pollutants. This effectively improves the efficiency and quality of soil thermal desorption remediation.

The application provides an oxidant decomposition phase change and concentration dynamic measurement device, and belongs to the field of gas-liquid two-phase flow characteristic testing. The device solves the problems that existing measurement devices cannot simultaneously reproduce high-speed disturbance, temperature and pressure alternation and heating coupling conditions, and cannot accurately control temperature and dynamically measure concentration in the process of oxidant decomposition and combination in a narrow, closed and strongly corrosive environment. The device comprises a container, a pressure relief assembly arranged in the container, a gas supply assembly for inputting gas with a preset pressure into the container, a concentration detection loop, a quasi-static concentration detection branch and the container form a loop, a dynamic concentration detection branch is connected in parallel with the quasi-static concentration detection branch and is controllable in on-off, and a second heating assembly is coupled to the dynamic concentration detection branch. A cooling assembly is used for cooling and conveying the solution in the concentration detection loop back into the concentration detection loop. The device is mainly used for oxidant decomposition phase change and concentration dynamic measurement.