68results about How to "Control heating temperature" patented technology

The invention relates to the technical field of electric heating materials, in particular to a temperature-controllable electric heating compound and a preparation method thereof. The invention provides a temperature-controllable electric heating compound which comprises a composite heating layer, a packaging insulating layer and a copper foil electrode clamped between the composite heating layer and the packaging insulating layer, a matrix insulating layer is arranged below the composite heating layer, and a series of regularly arranged circular holes are formed in the composite heating layer; and the packaging insulating layer packages the copper foil electrode and the composite heating layer on the substrate insulating layer. The composite heating layer is provided with a series of regularly arranged circular holes, so that the temperature distribution is more uniform, and the accuracy of temperature control can be improved. The supporting performance, the fatigue resistance and the bending resistance are achieved, and the risk of electric breakdown is reduced. Therefore, the method has a wide market application prospect. Meanwhile, the invention further provides a preparation method of the temperature-controllable electric heating compound, and the preparation method is simple in step, convenient to operate and suitable for large-scale industrial production.

The invention discloses a gas sensor, and a temperature control system and method for the gas sensor, relates to the technical field of gas sensors, and aims to solve the problem that when the ambient temperature around the gas sensor is reduced, the change of the ambient temperature causes drifting of an output signal of the gas sensor, resulting in errors of a measurement result of the gas sensor. According to the gas sensor, a window is formed in a shell, and a window material used for allowing gas to penetrate through and blocking liquid or solid is arranged at the window. The shell is arranged on the base, and a containing cavity is formed between the shell and the base. The base pin penetrates through the base in the direction from the window to the base. The gas sensor chip is arranged on the first surface of the base; the gas sensor chip is electrically connected with the pins; the heating structure is arranged on the second surface of the base and is electrically connected with the pins; and the heating structure is used for heating the gas sensor chip and the base. The temperature measuring structure is arranged on the first surface of the base, is positioned in the accommodating cavity and is used for measuring the actual temperature around the gas sensor chip.

The utility model belongs to the field of traditional Chinese medicine medical instruments, and relates to a cupping glass. The device has the characteristics of safety in use and good experience feeling of a treated person. According to the technical scheme, the device comprises a tank body, an infrared module, a negative pressure module and a controller. Wherein the tank body comprises a pipe fitting with an opening in the lower end. An infrared module is arranged in the tank body, and the infrared module is configured to emit infrared rays to the lower end of the tank body. And the negative pressure module is arranged in the tank body and is configured to form negative pressure in the cavity at the lower part of the tank body. The controller is electrically connected with the infrared module and the negative pressure module, and the controller is configured to receive the temperature value, uploaded by the infrared module, in the cavity in the lower portion of the tank body and the air pressure value, uploaded by the negative pressure module, in the cavity in the lower portion of the tank body, and control the power of the infrared module and fine adjustment of the negative pressure module according to preset parameters.

The utility model discloses an edge sealing strip drying device which comprises a machine frame, a bottom plate arranged on the machine frame, a drying box arranged on the bottom plate, a first supporting plate and a second supporting plate arranged above the bottom plate, an L-shaped transmission box arranged on the outer side wall of the first supporting plate, and a motor installed on the outer side wall of the transmission box. An output shaft of the motor penetrates through the side wall of the transmission box and is coaxially fixed to a driving gear, a rotating shaft of the driving gear penetrates through the side wall of the first supporting plate and is coaxially fixed to a conveying roller, a driven roller is arranged over the conveying roller, a driving mechanism is arranged in the drying box, and two heating plates with the adjustable distance are arranged on the driving mechanism. And the edge sealing strip penetrates through the space between the conveying roller and the driven roller, penetrates through the space between the feeding hole and the two heating plates and extends out of the discharging hole, and according to the design, the drying requirement is met by adjusting the distance between the two heating plates and the edge sealing strip.

The present invention discloses a detection device and a detection method for an automobile exhaust gas circulation valve, which is provided with a detection housing that is convenient for work and use, and a positioning assembly is installed in the middle section of the inner surface of the detection housing; it includes: a spur gear, which is rotatably connected to the middle side of the inner surface of the positioning assembly, and a rack is connected to the upper or lower side of the inner surface of the spur gear, and a limit bar is installed on the side of the outer surface of the rack, and the limit bar is positioned and slid on the inner surface of the positioning assembly. A positioning detection mechanism is provided, wherein the positioning assembly effectively controls the independent moving seat to rotate in the positioning assembly through the cooperation of the spur gear and the rack, and adjusts the spacing in the center by moving the support seat with elastic fine adjustment, fine-tunes the circulation valve body of different shapes, and uses the positioning support, so as to cooperate with the lifting rod on the independent control fixed column to effectively press down the circulation valve body for positioning, thereby improving the stability of positioning detection.

The utility model provides a novel efficient waste rubber and plastic electromagnetic heating cracking system, which belongs to the technical field of solid waste recovery, and comprises a reaction kettle and a plurality of electromagnetic heating components, the plurality of electromagnetic heating components are sleeved on the reaction kettle at intervals, each electromagnetic heating component comprises a support, an electromagnetic heating coil and a plurality of heat dissipation pieces, a cavity is formed in the bracket, and the cavity is arranged on the reaction kettle in a sleeving manner; the electromagnetic heating coil is wound and arranged on the inner wall of the cavity along the axial direction of the cavity; and the plurality of heat dissipation pieces are arranged on the bracket. The waste rubber and plastic thermal cracking furnace solves the technical problems of low heating efficiency, environmental pollution and human body harm caused by the existing waste rubber and plastic thermal cracking heating mode, and has the characteristics of high heating efficiency, safety, environmental protection, capability of prolonging the service life and the like.

This invention discloses a control system for preheating constant-temperature hot water for tobacco stem washing using condensate. The main design concept of this invention is to utilize the waste heat of condensate in the workshop's condensate recovery main pipeline to provide heating energy for the water used in the tobacco stem washing machine during the water pretreatment process. Specifically, the recovered water in the workshop's steam condensate recovery main pipeline is used as a heat source to replace the original steam heating constant-temperature hot water. In practice, an adjustable flow valve is added to the condensate recovery main pipeline, and three-way branch pipes are installed at both ends of the flow valve. A water-immersed heating coil is installed at the end of one branch pipe, while the other branch pipe is used for user heat exchange return water. Thus, by utilizing the pressure difference formed by the condensate recovery pipeline itself at both ends of the flow valve, the flow rate of condensate flowing into the coil can be dynamically controlled by simply controlling the opening of the main flow valve, thereby achieving heat exchange circulation and controlling the heating speed and temperature of the hot water for washing tobacco stems.

The invention relates to a residual stress homogenizing device for an aluminum alloy plate, and belongs to the technical field of mechanical manufacturing processes. Comprising a vibration aging mechanism, a plurality of infrared heating mechanisms, an aging platform mechanism, a displacement mechanism and an aluminum alloy plate workpiece, the aluminum alloy plate workpiece is arranged on the vibration aging mechanism, the vibration aging mechanism and the displacement mechanism are both arranged on the aging platform mechanism, the infrared heating mechanism is installed on the displacement mechanism in a sliding mode, and the infrared heating mechanism is rotatably arranged above the aluminum alloy plate workpiece. According to the device, vibration aging is utilized to resonate the workpiece to obtain energy, and an infrared heating mechanism is combined to enable the aluminum alloy plate workpiece to generate phase change and tissue yield change at a resonance vibration mode pitch line, namely a position with relatively weak vibration energy, so that the effect of integrally reducing and homogenizing residual stress is achieved.

A direct current dryer belongs to the technical field of wire drying devices and comprises at least two pairs of wire passing wheel assemblies. And each pair of wire passing wheel assemblies comprises a wire passing wheel assembly communicated with the positive electrode of the direct-current power supply and a wire passing wheel assembly communicated with the negative electrode of the direct-current power supply. The metal wire sequentially bypasses the two pairs of wire passing wheels, and after current is conducted to the metal wire, the conductive and heating distance of the metal wire is long, so that the metal wire is uniformly heated and quickly dried, the metal wires of different types, specifications and wire speeds are dried, and the metal wire drying device has the advantages of being simple in structure, convenient to operate, low in maintenance cost and the like.

Laminating equipment comprises a feeding mechanism, a laminating mechanism and a discharging mechanism, the feeding mechanism is used for loading and moving products to be laminated, the laminating mechanism is used for placing the products obtained by the feeding mechanism and pressurizing the products, the laminating mechanism is provided with a heating piece and a vacuumizing piece, the heating piece is configured to heat the products so as to transfer heat energy to the products, and the discharging mechanism is configured to discharge the products. The vacuumizing part is configured to enable the product to be in a vacuum environment, the heating temperature of the heating part and the vacuumizing speed of the vacuumizing part are adjustable, and the discharging mechanism is used for outputting the laminated product. In the laminating equipment, the adjustable heating temperature of the heating piece can adapt to temperature parameters when different products are laminated, the risk of unbalance caused by inconsistent thermal shrinkage of the products at different temperatures is reduced, the adjustable vacuumizing rate of the vacuumizing piece can adapt to impact force borne by the different products when the products are pressurized, the risk that the products are prone to fragmentation is reduced, and the product quality is improved. And the universality of the laminating equipment is improved.

This invention relates to a coating device for a winding machine, comprising a fixed plate and several coating units. The fixed plate has a through hole in its center for a sample to pass through. The coating units are evenly arranged along the outer circumference of the through hole and are movably connected to the fixed plate. Each coating unit has a cutting part for cutting the wire end and a pressure sensor for detecting the coating pressure. A heating unit for heating the sample surface is provided on the fixed plate on one side of each coating unit. The advantages of this invention are: by using pressure sensors on the coating units to detect the coating pressure in real time, the position of the coating units can be adjusted according to the pressure signal, thereby ensuring that the pressure remains consistent throughout the coating process, avoiding excessive coating pressure that could damage the sample, improving the uniformity of the coating layer, and reducing the scrap rate. Furthermore, this invention also provides a winding machine including the aforementioned coating device.

The present invention belongs to the technical field of microwave vacuum drying machine manufacturing, and provides a rotating tray type microwave vacuum drying machine, including a base, the base is fixedly connected to a shell, a drying box and a refrigeration cycle system are arranged in the shell, the refrigeration cycle system is connected to the drying box, and the drying box is also connected to a microwave generator; the inner end surface of the drying box is rotatably connected to a support frame, the outside of the drying box is fixedly connected to a hydraulic box, the hydraulic box is fixedly connected to a motor, the central axis of the support frame passes through the hydraulic box, and the output shaft of the motor is fixedly connected to the central axis of the support frame. The control system can control the heating temperature in the drying box and the vacuum degree in the drying box by controlling the microwave generator, the refrigeration cycle system, the vibration reduction mechanism and the motor.

The utility model provides an acrylic plate heat setting device. The acrylic plate heat setting device comprises a cabinet body, a setting plate, a pressing plate, a traction unit and a heating unit, a heating cavity with a front opening is formed in the upper portion of the cabinet body, and the front side of the heating cavity is connected with a cabinet door. The heating unit is fixed in the cabinet body below the heating cavity, and the bottom of the heating cavity is provided with a vent hole group for hot air from the heating unit to enter the heating cavity; the shaping plate is fixed to the inner side of the heating cavity through a support, the pressing plate is arranged on one side of the shaping plate, the lower end of the pressing plate is rotationally connected with the inner bottom of the heating cavity, the traction unit is fixed to the outer side of the cabinet body, and the traction end of the traction unit penetrates through the side wall of the cabinet body and then is connected with the upper end of the pressing plate; the traction unit is used for pulling the upper end of the pressing plate to enable the pressing plate to be close to the shaping plate; according to the acrylic plate bending device, convenience can be brought to bending of an acrylic plate, uniform bending of the acrylic plate can be achieved, and in addition, the situation that a human body is scalded by the heated acrylic plate can be avoided.

The utility model discloses a hot-pressing mounting module, comprising a driving mechanism, a movable end of the driving mechanism is provided with an adsorption module, and the adsorption module outputs a first negative pressure and a second negative pressure; the adsorption module adsorbs the mounting unit through first negative pressure, the mounting unit is connected with second negative pressure and adsorbs a workpiece through the second negative pressure, a heating unit is arranged in the mounting unit and is used for heating the workpiece when the workpiece is mounted, and when the adsorption module adsorbs the mounting unit, the heating unit is used for heating the workpiece when the workpiece is mounted. And a lead on the heating unit is propped against and communicated with the adsorption module. According to the utility model, the adsorption module is detachably connected with the mounting unit in an adsorption manner, so that the mounting unit can be quickly disassembled or replaced, and when the adsorption module sucks the mounting unit, the heating unit on the mounting unit is electrically connected, so that the heating time and temperature can be effectively controlled, and the mounting effect is improved.

The invention discloses a method for preparing saturated grease and byproduct alkane through two-stage low-pressure hydrogenation, and belongs to the technical field of hydrogenation. According to the method, the problem that the poor-quality raw material is easy to coke in the heating process is solved by directly mixing the hot-state circulating returned material and the cold-state fed material for temperature equalization, and lower operation pressure and temperature are adopted, so that the equipment investment is saved, and the operation cost is reduced.

The utility model discloses automatic control heating equipment for biomass combustion, which comprises a box body, a discharge port is communicated above one side of the box body, a controller is fixedly connected with one side, close to the discharge port, of the top of the box body, a waste gas treatment device is arranged above the inside of the box body, and the waste gas treatment device comprises a first support plate, a second support plate and a third support plate, the box body is fixedly connected to the inner wall of the box body; and the multiple exhaust holes are formed in the side, away from the exhaust port, of the first supporting plate at equal intervals. The utility model relates to the technical field of biomass combustion heating, in particular to automatic control heating equipment for biomass combustion, which is characterized in that after biomass is combusted by the equipment through a waste gas treatment device, generated carbon monoxide gas can be secondarily ignited by the waste gas treatment device; and residual carbon monoxide is adsorbed in cooperation with a carbon monoxide catalyst, so that the carbon monoxide gas can be prevented from being discharged out of the equipment to cause harm to human bodies and the environment.

The utility model relates to the technical field of infusion auxiliary instruments, and discloses an infusion heating device which comprises a shell, placing frames are fixed to the left side and the right side of the shell respectively, a touch display screen is fixed to one side of the shell, heating assemblies are arranged on the left side and the right side of the shell respectively, and each heating assembly comprises a heating sleeve arranged on the left side and the right side of the shell. An inner cavity of the heating sleeve is a heating cavity, four heating wires are embedded in the heating sleeve, and two temperature sensors are further embedded in the heating sleeve. The infusion tube is wrapped by the heating sleeve, so that a heat preservation effect on the infusion tube is achieved, temperature detection is conducted on liquid medicine in the infusion tube through the two temperature sensors, and accurate temperature control over the heating tube is achieved in cooperation with the heating wire and the built-in temperature control system controlled by the PLC. And the touch display screen is used for controlling the device to carry out operations such as rapid heating, accurate temperature control, low-temperature alarm and over-temperature power-off protection, so that the device is suitable for being used in the aviation medical post-delivery process.

The embodiment of the invention belongs to the display technology, and provides a heat dissipation method and laser projection equipment, and the laser projection equipment comprises a shell, a laser assembly located in the shell, a heat dissipation assembly located on one side of the laser assembly and used for dissipating heat of the laser assembly, and a heating assembly used for heating air in the shell. And when the environment temperature is within the first preset temperature range, the heating assembly is controlled to heat the air entering the shell, the temperature of the air in the shell is increased, and therefore the medium in the heat conduction pipe can be unfrozen when the medium in the heat conduction pipe in the heat dissipation assembly is frozen. After the preset time, whether the medium in the heat conduction pipe is frozen or not is detected, if yes, the heating assembly is controlled to increase the heating temperature of the air entering the shell so that the medium in the heat conduction pipe can be unfrozen continuously, and if not, the heating assembly is controlled to keep the heating temperature of the air in the shell so that the medium in the heat conduction pipe can be prevented from being frozen again; therefore, normal heat dissipation of the heat conduction pipe can be guaranteed, and normal operation of equipment is guaranteed.

The present invention discloses a processing method for continuous billet opening of large square billets, comprising: heating large square billet billets; descaling the surface of the heated billet with high-pressure water; opening the descaled billet by continuous rolling in 9 passes with alternating vertical and horizontal positions to obtain an intermediate billet; and at the same time, the parameters of the rolling pass in the 9-pass continuous rolling opening are disclosed. The present invention also discloses the intermediate billet obtained by the above processing method. The present invention improves the uniformity of the deformation of the corners of the large square billet by optimizing the billet opening rolling pass and reasonably matching the pass parameters, thereby preventing the excessive deformation of individual passes; at the same time, the heating temperature and the water pressure during descaling are controlled to avoid excessive temperature drop at the corners of the billet, improve the deformation characteristics of the corners, thereby reducing the generation of rolling cracks at the corners of the large square billet, and significantly reducing the grinding ratio of the intermediate billet, and even achieving no grinding, which effectively reduces the production cost and improves the yield rate of large square billets; the present invention has a simple process and can be industrialized after the parameters are limited.

The present invention specifically relates to a multi-electrode arrangement glue sticking equipment, including a discharge module, the discharge module is composed of a discharge device arranged in groups, and realizes the synchronous discharge of multiple groups of pole piece metal rolls; a collection module, the collection module is composed of a collection device arranged in groups, and realizes the synchronous collection of multiple groups of pole piece metal rolls after glue sticking; the discharge device and the collection device both include a feeding roller and a diaphragm roller, the feeding roller and the diaphragm roller are arranged on a mobile platform; the position of the feeding roller and the diaphragm roller is adjusted by the mobile platform to realize the horizontal arrangement of multiple groups of pole piece metal rolls; the equipment realizes the synchronous discharge and collection of multiple groups of pole piece metal rolls through the innovative design of the multi-electrode arrangement glue sticking equipment, greatly improving the production efficiency. Compared with the traditional single discharge and collection method, the present invention can process multiple pole pieces at the same time, significantly shorten the production cycle, and meet the needs of large-scale battery manufacturing.

The application discloses a compressor shell hot-joint machine and relates to the technical field of compressor manufacturing. The compressor shell hot-joint machine comprises a rack, a work station group and a grabbing group arranged on the rack, the grabbing group is arranged above the work station group, the work station group comprises, in sequence along a material conveying direction, a feeding station, an alignment station, a first heating station, a second heating station and a pressing station, the feeding station is connected with a shell conveying line, the pressing station is connected with a stator conveying line, the grabbing group comprises, in sequence along the material conveying direction, a feeding mechanical arm, a first transplanting mechanical arm, a second transplanting mechanical arm and a pressing special machine arm. The application can guarantee that the shell is uniformly heated, avoid local deformation of the shell, make the inner diameter of the shell fully expand, be favorable for smooth assembly of the shell and the stator, and avoid occurrence of situations such as collision of the shell and the stator, severe deformation of the shell, damage of the stator and the like.

The utility model belongs to the technical field of heating furnaces, and particularly relates to an inert gas protection heating furnace which comprises a shell, a screw rod is rotatably connected to the interior of the bottom end of the shell through a bearing, and a motor is fixed to one side wall of the shell. Through the arrangement of the electric heating pipe, the temperature sensor, the top plate, the air extracting pump, the air extracting pipe, the air outlet one-way valve, the connecting pipe, the nitrogen storage bottle, the air feeding pipe, the electromagnetic valve, the air inlet pipe, the digital display pressure gauge and the controller, the heating temperature in the shell can be controlled, and when a metal product is heated, air in the shell can be extracted firstly, and then the air in the shell can be heated. Nitrogen is conveyed into the shell, metal products are protected, opening or closing of the through opening can be conveniently controlled by arranging the lifting door assembly, and the storage plate can be conveniently and rapidly controlled to move out of or retract back into the shell by arranging the screw, the motor and the connecting plate. Therefore, the metal product can be conveniently fed into the shell or pushed out of the shell.

The invention belongs to the technical field of friction stir solid-phase deposition additive manufacturing, and particularly relates to a friction stir additive manufacturing device and method for a high-entropy alloy particle reinforced aluminum matrix composite. Comprising an extrusion deposition system and a continuous feeding system, and the extrusion deposition system comprises an extrusion screw and a rotating shaft shoulder; the continuous feeding system comprises a raw material box, an induction heater and a feeding roller; and a feeding pipe of the continuous feeding system is communicated with an extrusion screw rod of the extrusion deposition system. The device can achieve continuous feeding of raw materials with different particle sizes and efficient and rapid solid-phase additive manufacturing, does not need a protective atmosphere in the additive manufacturing process, can operate in the atmospheric environment, and has the advantages of being high in raw material adaptability, high in additive manufacturing efficiency, low in manufacturing and maintenance cost and the like. According to the method, through heating plasticization and continuous extrusion, a thermoplasticized mixed raw material is deposited on the surface of a substrate to form a deposition layer, meanwhile, stirring friction is conducted on the deposition layer, and rapid preparation of the high-entropy alloy particle reinforced aluminum-based composite material additive body is achieved.

The utility model relates to powder coating processing technical field discloses a kind of graphene powder coating temperature control melting inlaying equipment, including support, the top of outer tank is fixedly connected with second water inlet pipe, the bottom of outer tank is fixedly connected with second water outlet pipe, the top of outer tank is provided with stirring assembly, the top of inner tank is fixedly connected with feed inlet, the bottom of connecting pipe is fixedly connected with cooling tank, the other end of cooling tank is fixedly connected with discharge port, the left side of cooling pipe is fixedly connected with first water outlet pipe, the right side of cooling pipe is fixedly connected with first water inlet pipe, the outer wall of support is provided with conveying assembly.In the utility model, the hot water amount between outer tank and inner tank is controlled by second water inlet pipe and second water outlet pipe, the heating temperature of inner tank can be controlled, cooling pipe injects cold water by first water inlet pipe and discharges by first water outlet pipe, the coating in cooling tank can be cooled, the effect of improving coating product quality is achieved.

The utility model discloses an electrical element integration module for a battery pack, and relates to the technical field of battery control components, the electrical element integration module comprises a shell and a battery control assembly, and the shell is provided with an accommodating cavity and a heat dissipation hole which are communicated with each other. The battery control assembly comprises a current input line, a fuse, a current sensor, a current output line, a heating element and a control element which are arranged in the accommodating cavity and are sequentially connected along a circuit, the control element and the heating element are connected to the circuit where the current sensor is located in parallel, the control element is used for being detachably connected with an external controller, and the heating element is used for being detachably connected with an external heating source. As the current input line, the fuse, the current sensor, the current output line, the heating element and the control element of the battery control assembly are all integrally mounted in the accommodating cavity in the shell, the integration level is high, the occupied space is small, and the use is convenient.

The present invention belongs to the technical field of coating of power generation glass, and discloses an evaporation coating component, equipment and coating method for preventing coating bypass, wherein an evaporation coating component for preventing coating bypass is applied to the coating of substrate of power generation glass, the substrate has a coating front and a back, and comprises a substrate holding component and a carrier frame, wherein the substrate holding component has an adsorption portion suitable for adsorbing the back of the substrate, the carrier frame has a placement groove adapted to the substrate, the placement groove has a hollow structure penetrating the bottom of the placement groove to expose the front of the substrate coating; the substrate holding component is detachably connected to the carrier frame, and when the substrate holding component is connected to the carrier frame, the two are enclosed to form a blocking structure so that the basic back is not exposed, and the front of the substrate coating is exposed to the outside through the hollow structure for coating. The present invention can solve the problem of evaporation coating bypass.

A quartz tube welding device and method, comprising an external heating device and an internal heating welding device, wherein the external heating device is arranged on the outside of the quartz tube and is used to heat the outer wall of the quartz tube; the internal heating welding device comprises a first moving mechanism, a clamping mechanism and a first heating mechanism, wherein the first moving mechanism is arranged on the outside of the quartz tube, the first heating mechanism and the clamping mechanism are respectively arranged on the first moving mechanism, the first moving mechanism is used to extend the first heating mechanism and the clamping mechanism from one axial end of the quartz tube into the quartz tube, the clamping mechanism is used to clamp the weldment to be welded, and the first heating mechanism is used to heat the inner wall of the quartz tube and the weldment at the same time so that the two are melted and welded.

The utility model discloses a hot wastewater heat energy recoverer used in an acetic anhydride reaction process, which relates to the technical field of heat energy recovery and comprises an outer shell, a heat energy recovery unit and a wastewater filtering unit, the recovery chamber is fixedly connected to the right side of the lower end of the shell; the heat energy recovery unit comprises a copper block, a spiral copper pipe, a heat conduction block, a hydraulic cylinder, an attaching piece and a connecting block. The device is provided with a reliable heat energy recovery unit, heat in reaction wastewater can be recovered as much as possible through multiple heat energy recovery modes, the recovered heat energy is supplemented to the heating process of acetic anhydride reaction, consumption of additional energy is reduced, the recovered heat energy can be subjected to multi-stage distribution, and the energy consumption is reduced. The heating temperature is controlled by controlling the amount of transferred heat, the device is further provided with a reliable waste water filtering unit, impurities contained in the device can be filtered firstly when hot waste water is introduced, precise parts of the device are prevented from being damaged, and a filter element is convenient to disassemble and clean.

The invention belongs to the technical field of waste acrylic material heating and cracking, and discloses a waste acrylic cracking temperature control device which comprises a cracking shell, a feeding port is fixedly connected to the cracking shell, a middle-layer partition plate is fixedly connected to the interior of the cracking shell, an inner-layer partition plate is fixedly connected to the interior of the cracking shell, and the inner-layer partition plate is fixedly connected to the interior of the cracking shell. An inner material sliding ring is fixedly connected to the upper end of the inner-layer partition plate, a middle-layer material sliding ring is fixedly connected to the upper end of the middle-layer partition plate, and a middle-layer filter screen is arranged between the inner material sliding ring and the middle-layer material sliding ring; through the cooperation of the inner-layer filter screen, the middle-layer filter screen and other structures, waste acrylic materials in the inner feeding sliding pipe are filtered for the first time through the inner-layer filter screen, and the remaining waste acrylic materials are filtered for the second time through the middle-layer filter screen; and the residual waste acrylic material slides into the space between the cracking shell and the middle-layer partition plate through the middle-layer material sliding ring.

The invention discloses a pattern printing machine for yangbuck leather and a method for using the same, belonging to the technical field of leather production equipment, comprising a machine platform, wherein the upper end of the machine platform is fixedly connected with a support plate, a driving device, a positioning device, a heating device and a conveyor belt in sequence from left to right, a square hole is opened on the machine platform, both ends of an embossing roller are rotatably connected to the machine platform through a support plate, and the embossing roller is located in the square hole, the driving device comprises: a driving roller and a driving motor, the driving motor is fixedly connected to the machine platform, one end of the driving roller is rotatably connected to the machine platform through a support plate, and the other end of the driving roller is fixedly connected to the output shaft of the driving motor, a temperature sensor is arranged at the left end of the positioning device, and a control device is fixedly connected to the positioning device, and the scheme solves the problem of controlling the heating temperature and heating time of the embossing machine in the prior art.