95results about How to "Accurate temperature control" patented technology

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 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 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.

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.

The invention discloses a flame temperature image conduction device of a combustion furnace and flame temperature image detection equipment, the flame temperature image conduction device of the combustion furnace comprises a heat-resistant metal tube, a vacuum cavity is arranged in the heat-resistant metal tube, and one end of the heat-resistant metal tube is at least partially bendable and is suitable for corresponding to flame of the combustion furnace; the optical fiber matrix is arranged in the vacuum cavity, an image conduction channel is formed in the optical fiber matrix, and the image output end of the image conduction channel is suitable for corresponding to the camera; and the Peltier refrigeration part is arranged on the circumferential outer side of the optical fiber matrix in a sleeving manner and is attached to the optical fiber matrix. Therefore, one end of the heat-resistant metal tube is at least partially bendable, the range of a flame temperature image of a conduction combustion furnace can be widened, the optical fiber matrix can resist high temperature and corrosion, and the flexibility of the optical fiber matrix can be matched with the bending angle of the heat-resistant metal tube. In addition, the cooling efficiency of the Peltier refrigerating part is high, and the temperature can be accurately controlled.

This utility model relates to the field of medical comfort technology, specifically disclosing a simulated hand device for psychological comfort, including a comfort component one and a comfort component two. The comfort component one and the comfort component two are respectively fitted onto the palm area and back surface of the patient's hand, forming a symmetrical wrapping structure. A temperature control mechanism is embedded in the internal space of the comfort component one and the comfort component two. Precise temperature control: Temperature is controllable through an electric heating wire or PTC heating element to meet the personalized temperature needs of different patients. Modular design: The outer contact layer and inner sealing layer are detachable, facilitating cleaning, disinfection, and component replacement, improving hygiene. Flexible adaptability: The Velcro connecting strap and pleated structure can adapt to different hand shapes, enhancing wearing comfort. Acupoint-assisted therapy: Marked points accurately locate the Shenmen and Neiguan acupoints, enhancing the therapeutic effect of psychological comfort. Material safety: Medical-grade silicone material is non-irritating, and the textured layer simulates the feel of skin, reducing the risk of allergies.

The utility model relates to the technical field of laser powder baking, in particular to a laser powder multi-layer baking device which comprises a vacuum furnace, a plurality of supporting plates are arranged on the inner walls of the left side and the right side of the vacuum furnace, lifting trays are connected to the four corners of the top of each supporting plate in a screwed mode, and an air exhaust mechanism perpendicularly penetrates through the middle of the top wall of the vacuum furnace. A protection box is arranged outside the air exhaust mechanism, supporting bases are arranged on the left side and the right side of the outer wall of the bottom end of the vacuum furnace, and a furnace door is hinged to the outer wall of the front side of the vacuum furnace. According to the improved baking device, a vacuum environment can be rapidly formed through the air exhaust mechanism, so that powder oxidation is avoided, stable performance is guaranteed, the supporting plate and the lifting tray are matched to flexibly adjust the height of the base plate and improve the space utilization rate, the electric heating pipe is combined with the temperature sensor to accurately control the temperature and ensure uniform heating, and the furnace door can be sealed to prevent air leakage. The perspective window facilitates observation, and efficient, stable and safe multi-layer accurate baking is achieved.

The utility model relates to hot runner system technical field, specifically disclose a spiral type glue feeding hot runner nozzle tip convenient to clean. The utility model discloses a nozzle tip body, and the surface right side of nozzle tip body is equipped with spiral groove, and the inside of nozzle tip body is provided with filter mechanism, and the surface of nozzle tip body is provided with temperature control mechanism. The utility model discloses a spiral type glue feeding hot runner nozzle tip convenient to clean, through the spiral groove of setting, realizes detachable connecting structure, and nozzle tip body can be individually detached from hot runner main part, and whole hot runner system does not need to be disassembled, and the process of detaching only needs to rotate and can be completed, and the time of operation consumption is shortened to 1 / 5 of the original mode, realizes the effect that it is convenient to clean, through the locking nut screw thread connection to the surface of limiting rod, can position filter screen to realize the installation of filter screen, can improve the purity of injection liquid, avoid the impurity in injection liquid to enter injection mold and lead to the quality reduction of injection mold and other problems.

The invention discloses upsetting heating electrodes based on shape heat dynamic matching, a plate forging tool and a process, and belongs to the field of metal plastic forming equipment. According to the deformation requirements of different areas of a forming material, the plate forging tool comprising a plurality of upsetting heating electrodes is adopted; when a second part of an electrode core rod in the upsetting heating electrode stretches into an electrode shell, a reset spring device is compressed, an electric contact part makes contact with an annular resistor, a conductive column, the annular resistor, the electric contact part and the electrode core rod are electrically connected, and when the second part of the electrode core rod continues to stretch into the electrode shell, the electric contact part is separated from the annular resistor; and the electric connection between the electrode core rod and the conductive column is disconnected. The heating temperature of the upsetting heating electrode is actively matched with the geometrical morphology of the blank in the blank forming process, the temperature is high when the deformation amount is large, the temperature is low when the deformation amount is small, and accurate temperature control in the blank forming process is achieved. The length of each annular resistor of the plate forging tool is matched with the target shape of the part, the part does not need to be completely heated, and energy consumption is reduced.

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 relates to the field of ice maker technology, specifically an ice maker utilizing semiconductor refrigeration. An ice maker utilizing semiconductor refrigeration includes an upper cover assembly, a water tray, an inner cover, a cold plate, a radiator, an insulated outer shell, a base, and a bottom cover. Its features include: the bottom of the insulated outer shell is connected to the base; a cold plate is located inside the insulated outer shell; a water tray is located inside the cold plate; the top of the cold plate is connected to the inner cover; and the upper cover assembly is connected above the inner cover. A radiator is located below the cold plate, and a cooling fan is located on one side of the radiator. The base contains a drive circuit board and a DC power supply, which is connected to a power cord. Compared with existing technologies, this ice maker utilizing semiconductor refrigeration optimizes the semiconductor refrigeration module design, improves the heat exchange system, and combines an advanced temperature control scheme to achieve fast ice-making speed, high ice-making quality, ease of use, and low energy consumption.

The application relates to the technical field of pet products, in particular to a double-protection heating device and a heatable cat litter basin, wherein the double-protection heating device comprises a shell, a heating element, a temperature control assembly and a heat dissipation fan; the heating element and the temperature control assembly are installed in the shell and are connected in series; the temperature control assembly provides temperature loss control protection for the heating element; a heat dissipation grille communicating inside and outside the shell is formed on the surface of the shell; a containing groove for fixing the temperature control assembly is arranged in the shell; and the heat dissipation fan is installed on the shell and corresponds to the position of the heating element. The application effectively solves the technical problems of slow temperature control protection response, poor reliability and inconvenient maintenance of the heating device in the prior art.

The utility model discloses a kind of multi-element coating devices of antioxidant tin ball, including bottom plate, the middle end fixedly connected with coating box in the top of bottom plate, the top of coating box is fixedly connected with material box by support, the bottom of material box is fixedly connected with shell by support, the inner chamber of shell is rotatably connected with rotating plate by bearing, the upper and lower surface of rotating plate is all set with recess, the bottom of material box is fixedly connected with first short pipe, another end of first short pipe is communicated with the top of shell, the bottom of shell is fixedly connected with second short pipe.The utility model can store tin ball by material box, tin ball can be sent into shell by first short pipe, rotating plate can be driven to rotate by motor, recess on rotating plate can uniformly transport tin ball, so that tin ball is evenly dropped into coating box for coating by second short pipe, ensure that tin ball is evenly coated in coating box, improve the uniformity and stability of antioxidant film layer.

This invention relates to the field of heat-sealing technology for plastic bags, and particularly to a method for improving the quality of heat-sealing. The method includes a pressing assembly comprising a first pressing assembly and a second pressing assembly that can be approached and moved away from each other. When the first and second pressing assemblies are close together, a second heating assembly cuts the plastic bag, and the first heating assembly presses both sides of the cut and performs heat sealing. The second heating assembly is fixed on a first pressing base, and a second heating wire is disposed on a thermal cutting base. A second thermally conductive diaphragm covers the outside of the second heating wire, forming a knife-edge shape. Compared with existing technologies, this invention's method for improving the quality of heat-sealing ensures complete heat sealing on both sides of the cut when the plastic bag is cut, preventing sticking to the equipment, improving the quality of heat-sealing, making automated plastic bag packaging operations more stable and reliable, facilitating continuous equipment operation, reducing maintenance costs, and enhancing the user experience.

The application discloses a pulse current-based crack-free heat treatment method for additive manufacturing of high-temperature alloy, and belongs to the technical field of heat treatment of additive manufacturing of high-temperature alloy. The application aims to solve the technical problem that nickel-based high-temperature alloy manufactured by additive manufacturing is prone to cracking during the heating process of stress relief heat treatment. The application directly heats the workpiece by using pulse current, and the average heating rate of the workpiece is not less than 100 DEG C / s by applying high-density pulse current, so that the superfast heating far exceeding traditional furnace heat treatment is realized, thereby the precipitation of harmful phase at the grain boundary during the heating process is inhibited, and the cracking problem in the stress relief heat treatment process is fundamentally avoided. The method is especially suitable for nickel-based high-temperature alloy such as IN738LC.

The invention discloses a handheld water chiller pipeline electromagnetic high-frequency welding device and a control method, relates to the technical field of water chiller pipeline welding, and aims to solve the problems of low precision and low efficiency of existing water chiller pipeline welding. A power supply module is arranged on one side of the welding box body; a transformer host is arranged in the welding box body, the power supply module is connected with the transformer host, and the transformer host is electrically connected with the welding clamp; the welding fixture can generate current to complete welding when being electrified, and a transformer host is arranged in the welding box body, so that voltage conversion can be carried out, and required alternating current is provided for the welding fixture; the precision and efficiency of pipeline welding of the water chiller can be improved, precise temperature control is achieved, and power consumption of equipment is reduced.

The utility model discloses a water conservancy project motor temperature control system is equipped with temperature sensor in the upper guide and lower guide lubricating oil cavity of motor. The temperature control system contains the plate heat exchanger, and its both sides are compressor cooling system and air cooling heat dissipation system respectively, and correspondingly connects the first, second heat exchange pipeline in heat exchanger. Compressor cooling system is sequentially composed of compressor, condenser, expansion valve, and condenser is equipped with condensing fan, and air cooling heat dissipation system sequentially includes water tank, water pump, upper guide and lower guide heat exchanger and reversing valve, and water pump is connected heat exchanger inlet water side through three -way valve, and outlet water side is connected reversing valve through three -way valve, and its first water outlet connects second heat exchange pipeline, and the other road is connected water tank through air cooling radiator. Air cooling radiator is composed of heat dissipation coil pipe, aluminium corrugated tower fin and frequency conversion heat dissipation fan, and flow valve in coil pipe is associated with fan. The invention combines compressor cooling and air cooling heat dissipation double system, can reduce energy consumption and speed down temperature.

This utility model discloses an atomizer that uses a 3D ceramic cup to precisely control the temperature of heated e-liquid, comprising a ceramic shell, a heating element, a conductive ring, a base, and a terminal assembly. The ceramic shell has a stepped interior cavity. The heating element includes a ceramic inner shell and a heating wire integrally formed with the inner shell. The inner shell is divided into two chambers: an atomization chamber and a temperature controller mounting chamber. The heating wire and temperature controller share a common negative electrode design to simplify the circuit. The conductive ring defines the heating element and conducts the negative current. The base connects to the battery via a protruding connecting post. The terminal assembly uses a "linear-to-circular" electrical contact structure, forming a three-point conductive connection with a circular electrode, a solid cylindrical electrode, and the connecting post to ensure a stable connection. The differences between this atomizer and other atomizers on the market are: temperature regulation via a temperature controller; better flavor; longer heating wire lifespan; and better flavor reproduction in the atomized vapor.