18results about How to "Reduce heating power" patented technology

The invention relates to the technical field of waste plastic treatment, in particular to a waste plastic grading carbonization device and a waste plastic treatment method. The waste plastic grading carbonization device comprises a feeding hopper, a crushing device, a grinding device, a screening device, a catalyst self-adaptive proportioning device, a first spiral discharging machine, a first-stage carbonization chamber, a second-stage carbonization chamber, an activation chamber, a second spiral discharging machine, a solid product collecting device, a liquefaction device, a liquefied product collecting device, a cooling water circulating device and a third spiral discharging machine, a material returning bin and a tail gas treatment device. According to the invention, through the collaborative innovation of'grading carbonization 'and'catalyst self-adaptive proportioning device', the problems of incomplete and non-uniform carbonization of the waste plastics, inadequate utilization of gas products and the like in the pyrolysis process of the waste plastics are solved, and an industrial feasible path is provided for chemical recovery of the waste plastics; the device is reasonable in overall structural design and high in treatment energy efficiency, and continuous, sufficient and efficient pyrolysis and high-value conversion of the waste plastics are achieved.

The invention relates to a dryer (1) for a textile web (5), comprising at least two vertically arranged drying chambers (2T1, 2T2), each drying chamber (2T1, 2T2) having a drum (T1, T2) with airflow channels (17T1, 17T2) arranged on both sides, and each drying chamber (2T1, 2T2) having a separate additional chamber (11T1, 11T2), the additional chamber (11T1, 11T2) has channels (13T1, 13T2, 15T1, 15T2) for supplying fresh air (12T1, 12T2) and for discharging exhaust gases (14T1, 14T2), and wherein the additional chamber (11T1, 11T2) is arranged between an end face of the associated drying chamber (2T1, 2T2) and the separate heating and fan chamber (24). The invention is characterized in that channels (13T1, 15T1) for supplying fresh air (12T1) and exhaust gases (14T1) exiting the lower drying chamber (2T1) are adjacent to the upper drying chamber (2T1) and the upper additional chamber (11T2). The invention also relates to a method for drying a textile web.

This application relates to the field of cooking overflow prevention control, and discloses a method and device for optimizing a cooking overflow prevention system based on user interaction data feedback. The method includes: acquiring overflow event information from user feedback and acquiring the overflow heating conditions corresponding to the overflow event information; determining the adjacent overflow heating conditions based on the overflow heating conditions; when the electric cooker reaches the adjacent overflow heating conditions, acquiring the steam transmittance at the top of the electric cooker through a steam extraction component; when the steam transmittance is less than a preset steam transmittance, activating the overflow prevention control program; wherein, the steam extraction component is installed on the lid of the electric cooker, and the steam extraction component is used to circulate and extract steam from the top of the electric cooker and detect the steam transmittance; the overflow prevention control program includes reducing the heating power and heating pressure of the electric cooker. This application can achieve accurate judgment and intelligent adjustment of overflow prevention control based on user interaction data.

This application discloses a temperature control method and a natural gas molecular sieve dehydration system, relating to the field of natural gas extraction. The temperature control method, applied to a natural gas molecular sieve dehydration system, includes: detecting the temperature at a first interface and a second interface of a heating element, wherein one of the first interface and the second interface is an inlet and the other is an outlet; comparing the temperature values ​​at the inlet and the outlet; during the switching from a hot-blowing sequence to a cold-blowing sequence in the molecular sieve dehydration tower of the natural gas molecular sieve dehydration system, when the temperature value at the inlet is higher than the temperature value at the outlet, controlling the heating element to reduce its power; when the temperature value at the inlet is lower than or equal to the temperature value at the outlet, controlling the heating element to perform PID control. This application can solve problems such as frequent shutdowns due to excessively high internal temperatures of the electric heater.

The invention belongs to the field of tailing recovery, and particularly relates to a coupling production method for preparing an inorganic microcrystalline material from a phosphorus-containing material and recovering a phosphorus byproduct. A coupling production method for preparing an inorganic microcrystalline material from a phosphorus-containing material and recycling phosphorus byproducts comprises the following steps: feeding the phosphorus-containing material and auxiliary raw materials into an electric kiln or a yellow phosphorus furnace, and calcining at a first temperature for 2-4 hours to respectively obtain high-temperature slag slurry, ferrophosphorus byproducts and phosphorus-containing flue gas; directly mixing the high-temperature slag slurry with an inorganic microcrystalline material production auxiliary material without a cooling process, feeding into an electric rotary kiln, preserving heat for 1-3 hours at a second temperature, and uniformly mixing to obtain a mixed raw material; transferring the mixed raw material to an electric kiln smelting unit, melting for 1-2 hours at a third temperature, carrying out rolling forming or mold pouring to obtain a green body with a preset shape, and sequentially carrying out crystallization for 3-5 hours at a fourth temperature and annealing for 2-3 hours at a fifth temperature to obtain an inorganic microcrystalline material product, the phosphorus-containing flue gas is subjected to dust removal and purification and then introduced into a phosphorus recovery device, and a phosphorus product is obtained after separation and purification.

The application discloses a heat pump air conditioning system, comprising a driving module, the driving module comprising a driving circuit and a heat-conducting substrate, wherein the driving circuit is used for driving a motor in the heat pump air conditioning system, and the heat-conducting substrate is used for conducting and dissipating heat generated by the driving circuit to the surrounding environment; further comprising a heating module and a heat dissipation module, wherein the heating module is arranged close to the heat-conducting substrate or in the heat-conducting substrate; when the heating module is in a heating state, the heating module is used for raising the temperature of the heat-conducting substrate, and the heat dissipation module is arranged close to the heating module, and the heat dissipation module comprises a heat dissipation pipeline, and the heat dissipation pipeline is used for guiding refrigerant flow to dissipate heat for the driving module. The heat pump air conditioning system provided by the application forms a reasonable heat transfer path by arranging the heat dissipation module close to the heating module and arranging the heating module close to the heat-conducting substrate; on one hand, the heating module does not affect normal heat dissipation, and on the other hand, the heating module can be used for raising the temperature of the heat-conducting substrate to inhibit condensation of the driving module, and the heating power can be greatly reduced.

The utility model provides a novel tandem type water-cooled resonant capacitor, comprising capacitor cores and copper electrodes, the upper and lower end faces of the capacitor cores are respectively welded with one copper electrode, the whole capacitor cores are cylindrical, the number of the capacitor cores is two, and the capacitor cores comprise a first copper foil, a second copper foil, a polypropylene optical film and a metallized polypropylene film. The first copper foil and the second copper foil are used as extraction electrodes, the metallized layer of the metallized polypropylene film is used as an intermediate electrode, the two layers of electrodes are separated by the metallized film, a polypropylene medium is arranged in a gap between the first copper foil and the second copper foil, and the capacitor core is formed by winding the copper foil, the polypropylene optical film and the metallized polypropylene film around the hard core rod. Spraying metal layers at two ends, welding the core and the copper electrodes together by using low-temperature soldering tin, and encapsulating a sealing material around the core; the copper electrode is provided with six water through holes, and the six holes are communicated through a connecting pipe to conduct internal water circulation. The power output and reliability of the capacitor are greatly improved, and the service life of the capacitor is greatly prolonged.

This invention relates to a wide-width high-temperature carbonization furnace, belonging to the technical field of carbon fiber production equipment. The furnace chamber of this invention has an arched top plate, and the connection between the arched top plate and the side plates is a sliding groove engagement. The furnace body contains an ash accumulation chamber, a graphite scraper capable of completely covering the ash accumulation chamber, and a graphite scraper driving mechanism. The ash accumulation chamber is connected to injection and suction ports located on both sides of the furnace body. The arched top plate of this invention, which is slidably supported by the side plates, provides strong structural stability. Furthermore, the movable graphite scraper and ash accumulation chamber within the furnace allow for automatic cleaning of the furnace without shutting down the production line.

This invention discloses a battery baking device and its usage method, relating to the field of battery production technology. It includes a frame, an oven, a vacuum pump, and a control module. The oven is mounted on the frame, and the vacuum pump is fixed to the frame via a fixing plate and communicates with the oven. The control module is electrically connected to the oven and the vacuum pump. The oven comprises a chamber, a temperature control component, a support component, and a drying rack assembly. The temperature control component is located on the inner wall of the chamber, the support component is fixed to the bottom of the chamber, and the drying rack assembly is mounted on the support component. The overall structure is a modular design, allowing for layered stacking at different heights, with each layer further divided into areas of different sizes. The temperature control component is controlled by the control module, enabling layered temperature control, ensuring drying quality while reducing heat waste and saving cooling time.

The invention provides an electric heating layer with a PTC (Positive Temperature Coefficient) effect as well as a preparation method and application thereof, the electric heating layer comprises an electric heating material, and the electric heating material comprises a conductive component, a substance containing hydroxyl and / or carboxyl and a filler with the PTC effect; wherein the filler with the PTC effect is deposited on the surface of the conductive component, and is connected with the conductive component through a substance containing hydroxyl and / or carboxyl. The electric heating layer has the characteristics of self-limiting temperature and overheating protection, and can realize the reduction of heating power and the reduction of heating temperature to achieve the self-limiting temperature effect and prevent extra safety risks caused by over-high temperature through the step increase of resistance value under the condition of over-high heating temperature.

The utility model discloses a high-corrosion-resistance heat preservation jacket ball valve which comprises a ball valve ball body, ball valve pipelines are fixedly connected to the two sides of the ball valve ball body respectively, a control hand wheel is movably connected to the top of the ball valve ball body, and flanges are fixedly connected to the two sides of the two ball valve pipelines respectively. Heating shells are movably connected to the two sides of the ball valve ball body and the two ball valve pipelines respectively, a controller is fixedly connected to one side of each heating shell, a constant-temperature mechanism is fixedly connected to the interior of each heating shell, and two connecting strips are movably connected to the upper ends and the lower ends of the ball valve ball body and the two ball valve pipelines respectively; the internal temperature of the ball valve ball body and the ball valve pipeline is accurately regulated and controlled through heat conduction, the problems of crystallization, solidification or gasification and the like of fluid due to temperature fluctuation are prevented, it is ensured that the fluid always keeps good fluidity, smooth pipeline conveying is maintained, meanwhile, rapid assembly can be achieved, and the service life of the ball valve is prolonged. The structure is stable and high efficiency of heat conduction can be ensured.

The application relates to the technical field of mechatronic systems, and particularly discloses a low-temperature cold start control method based on high-frequency injection, which comprises the following steps: analyzing the motor state, observing and feedforward compensating the disturbance caused by the load torque and the viscous coefficient to the motor state through a sliding mode observer algorithm; obtaining a state equation according to the motor state, constructing an extended sliding mode observer equation, deriving an observer error equation, and observing the load torque; analyzing the obtained load torque, and reflecting the oil viscosity through the motor load torque; injecting high-frequency current under the low-temperature state according to the oil viscosity result, controlling the injection frequency, enhancing the skin effect, controlling the current amplitude, utilizing the copper loss and the high-frequency magnetic field eddy current effect to assist heat generation, gradually reducing the injection voltage amplitude according to the final oil viscosity result, the electromagnetic heat generation viscosity and the load reduction, and switching to normal id=0 control after reaching the normal start condition.

The invention provides a thermal conductivity type gas detection device. The output voltage of the feedback tracking module at the initial moment is equal to the output voltage of the voltage stabilizing source, and the resistance values of the two heating resistors are equal, so that the temperatures of the two cavities are equal at the initial moment. If the gas with the poor thermal conductivity is mixed, the temperature of the detection cavity rises, the resistance value of the second NTC thermistor is reduced, the output voltage of the feedback tracking module is reduced, the heating power of the second heating resistor is reduced, the temperature of the detection cavity is reduced, and the temperature of the two cavities is equal finally through circulation. Therefore, the concentration of the gas mixed into the detection cavity can be detected by utilizing the variable quantity of the output voltage of the feedback tracking module. The temperature of the final detection cavity is the same as that of the reference cavity, so that the working temperatures of the two NTC thermistors are the same, and the calorific values tend to be the same, thereby reducing the difference value between the deviations of the resistance values of the two NTC thermistors, and improving the detection precision of the thermal conductivity type gas detection device.

The invention discloses a baking processing method and processing system for thin-fork food, and relates to the technical field of food processing, and the method comprises the following steps: initializing a system; dough blank feeding and initial state collection; performing baking process prediction and dynamic regulation and control circulation; performing closed-loop control on deformation and cooking degree; finally shaping and balancing moisture; data archiving and model updating; the system comprises a dough conveying module, a multispectral imaging monitoring module, a distributed temperature control module, an airflow dynamic adjusting module and a central processing and control module. According to the invention, the deformation and cooking degree of the dough blank are monitored in real time through multispectral imaging, advanced prediction is carried out in combination with a digital twin prediction model, and the central processing module dynamically and cooperatively regulates and controls the temperature, the heat source power ratio and the directional airflow of each temperature zone, so that differential precise heating and deformation intervention of the fork tip and the main body part are realized; and finally, water balance is carried out through atomization spraying, so that closed-loop accurate control of the baking process is realized, and the quality uniformity and the qualified rate of products are improved.

This application relates to a method for over-temperature protection of a motor controller, a motor controller, and a vehicle. The method includes: acquiring temperature data from an IGBT module detected by a temperature sensing element embedded within the motor controller; calculating a temperature change slope based on the temperature data; determining an abnormal cooling medium flow rate if the temperature change slope meets a preset abnormal flow rate judgment condition; and adjusting the output current limit of the motor controller to reduce its heat generation power if the abnormal cooling medium flow rate is determined. This application can effectively identify whether the cooling medium flow rate is abnormal, and can linearly derating the output current of the motor controller in advance, avoiding instantaneous overheating failure of the motor controller caused by the difficulty in triggering the over-temperature protection strategy. It effectively protects the motor controller from cumulative damage caused by long-term thermal failure critical states, thereby improving the service life of the motor controller.

The application provides a device and method for dynamically adjusting an axial temperature gradient in a crystal growth process, and belongs to the technical field of silicon carbide crystal production. The device comprises a crucible main body, a crucible cover provided with an opening, a seed crystal rod, and a temperature adjusting device; one end of the seed crystal rod is connected to a seed crystal holder for carrying a seed crystal, the seed crystal holder is placed in the crucible main body during the growth process, and the other end is sleeved with the temperature adjusting device; the temperature adjusting device comprises an adjusting assembly, a connecting assembly, and a transmission assembly; the adjusting assembly is made of graphite soft felt and is provided with a through hole in the center, and the seed crystal rod passes through the through hole; the transmission assembly is connected to the adjusting assembly through the connecting assembly and controls the adjusting assembly to move up and down along the seed crystal rod to realize axial temperature regulation; the adjusting assembly is in a contracted state during the up and down movement, and is expanded through the transmission assembly when being in contact with the crucible cover or the seed crystal holder. The scheme realizes axial temperature regulation in the crystal growth process.

The application discloses a polar ship heat recovery integrated ventilation system, which comprises a central air conditioning processing unit and an air pipeline system; the air pipeline system comprises a natural wind supply air main pipe and an air conditioning fresh air main pipe; the central air conditioning processing unit is internally provided with a heat recovery device; the air pipeline system further comprises a return air main pipe; the system further comprises an integrated ventilation wave-proof wall; the inlet end of the natural wind supply air main pipe, the inlet end of the air conditioning fresh air main pipe and the outlet end of the return air main pipe are all arranged on the integrated ventilation wave-proof wall. The application can greatly reduce the antifreezing cost and energy consumption, has a very high energy utilization efficiency and fundamentally improves the safety of the ship.