128results about How to "Reduce heating energy consumption" patented technology

The invention relates to the technical field of energy conservation and carbon reduction in metallurgy, and provides a low-carbon sintering flue gas circulation system and purification process for multi-pollutant collaborative treatment, the low-carbon sintering flue gas circulation system and purification process are used for staged treatment of sintering flue gas, and the low-carbon sintering flue gas circulation system comprises a sintering chamber which is provided with a sintering cavity and a flue gas blowing port; the sintering cavity leads to the high-sulfur air duct or the low-sulfur air duct, and the low-sulfur air duct leads to the flue gas blowing port; and the high-sulfur air duct leads to the first flue gas treatment system. By means of the technical scheme, the problem that in the prior art, energy consumption for treating flue gas generated after sintering of sintering ore is high is solved.

The invention discloses a vehicle heat management system and a vehicle. The vehicle heat management system comprises an engine cooling loop, a low-temperature loop, a refrigerant loop, a warm air loop and a multi-way valve. Wherein the low-temperature loop comprises a battery loop and a motor loop, the multi-way valve is connected with the engine cooling loop, the warm air loop, the battery loop, the motor loop and the refrigerant loop, and different valve ports of the multi-way valve are switched and communicated to communicate part or all of the engine cooling loop, the warm air loop, the battery loop, the motor loop and the refrigerant loop; a single multi-way valve is arranged to be connected with an engine cooling loop, a warm air loop, a battery loop, a motor loop and a refrigerant loop, different valve ports communicated with the multi-way valve are switched according to the heat dissipation or heating requirements of all parts and spaces of a vehicle, and multiple heat management modes are achieved. The energy of the whole vehicle is efficiently utilized on the premise that the thermal management requirements of all parts of the vehicle are met, the number of the valve bodies is reduced, and therefore the space requirement and complexity of the whole thermal management system are reduced.

The invention relates to a ventilation system for a high-voltage frequency converter room in severe cold areas and a working method of the ventilation system. The ventilation system comprises a fresh air handling unit, a fresh air pipeline, an air supply pipeline, an air inlet pipeline, an air return pipeline, an inner exhaust pipeline and an outer exhaust pipeline. The fresh air handling unit is composed of a fresh air section, a first heating section, an air return section, a second heating section, a fan section and an air supply section. A fresh air electric regulating valve is arranged on the fresh air pipeline; the first heating section and the second heating section are provided with heaters, and the fan section is provided with a fan; an air return electric regulating valve is arranged on the air return pipeline; a natural air inlet electric valve is arranged on the air inlet pipeline; an inner exhaust electric control valve is arranged on the inner exhaust pipeline; an external exhaust air electric regulating valve is arranged on the external exhaust pipeline; the ventilation system can effectively solve the problems existing in temperature control of the high-voltage frequency converter chamber in severe cold and cold areas, and is simple and compact in structure, convenient to construct and use, suitable for various working conditions and climate conditions and remarkable in energy conservation and emission reduction effect.

The invention is applicable to the technical field of automobiles, and provides an intelligent automobile seat temperature control system based on a YOLOv5 algorithm, which comprises a detection module, a control module and a heating module. According to the system, passenger information is intelligently recognized through an intelligent camera carrying a YOLOv5 algorithm and all sensors, and the heating temperature is determined; meanwhile, the seat is heated in an error feedback control mode, and heating energy consumption is reduced. On one hand, the requirement of people for comfort of the automobile passenger compartment is met, and on the other hand, the new energy automobile development requirement is met, and the purposes of energy conservation and emission reduction are achieved.

The invention belongs to the technical field of electrochromic devices, and relates to a flexible electrochromic device for heat management of a curved transparent enclosure structure. The electrode is formed by assembling flexible polyethylene glycol terephthalate-indium tin oxide as transparent conductive electrodes on the two sides to clamp a silver-based gel electrolyte. The device is simple in preparation method, controllable in composition and structure and easy to expand; the deposition quality of silver ions is improved through electrode surface plasma cleaning and modification; by applying and removing voltage, the device has reversible dual working modes: an initial state is a solar heating mode, and at the moment, the device has high sunlight transmissivity; voltage is applied to the device to excite deposition of silver on the outer side electrode, at the moment, a radiation cooling mode is adopted, and at the moment, the device has high sunlight reflectivity and high and medium far infrared emissivity; the device has excellent sunlight modulation capability and mechanical stability, and has great application prospects in the aspect of all-season dynamic thermal management of curved transparent enclosure structures such as buildings and automobiles.

The invention relates to a fiber membrane capable of regulating and controlling radiation refrigeration performance and a preparation method thereof, the fiber membrane is composed of micro-nano fibers with tensile capacity, and the thickness of the fiber membrane is 10-500 microns; the fiber diameter of the micro-nano fiber is 0.1 to 25 [mu] m; the micro-nano fibers are high-molecular polymer fibers; the sunlight transmittance regulation and control range of the fiber membrane is not less than 40%, and the mid-infrared transmittance regulation and control range is not less than 50%. Compared with the prior art, the fiber film has the adjustable transmittance in the sunlight and mid-infrared wave bands, and when the fiber film serves as a wind screen to be additionally arranged on the upper portion of any existing radiation refrigeration material, the refrigeration effect of the radiation refrigeration material can be adjusted and controlled by adjusting and controlling the transmittance of the radiation refrigeration material in the sunlight and mid-infrared wave bands.

The present invention discloses a movable air film canopy for heat preservation in winter foundation pit construction and an assembly method thereof, which belongs to the field of heat preservation canopies, and includes a guide rail assembly arranged on the ground on both sides of the foundation pit, a canopy assembly slidably arranged on the top of the guide rail assembly, and a heating assembly connected to the canopy assembly, wherein the canopy assembly is a three-layer heat preservation structure; the canopy assembly includes a drainage membrane, an arched air rib membrane, and a first heat energy reflecting surface arranged in sequence from the outside to the inside, the bottom end of the arched air rib membrane is slidably arranged on the slide rail assembly in sequence through a base and a roller, the outer circumferential side of the arched air rib membrane is coated with a drainage membrane, the bottom end of the drainage membrane extends in a direction away from the arched air rib membrane, and is fixed to the ground through rivets. The present invention adopts the above-mentioned movable air film canopy for heat preservation in winter foundation pit construction and an assembly method thereof, which has the advantages of convenient installation and disassembly, high heat preservation, automatic snow removal, removability, reusability, low cost, etc., thereby facilitating foundation pit construction in winter.

The invention relates to an oily sludge treatment system which comprises a sludge dewatering and deoiling device, a cyclone separation device and a tail gas treatment device, the sludge dewatering and deoiling device comprises a condensation cavity, a second-stage heating cavity and a first-stage heating cavity which are sequentially arranged in a sleeving manner, the first-stage heating cavity is used for heating and dewatering primary sludge, the second-stage heating cavity is used for heating and cracking oil in the first-stage sludge, and the condensation cavity is used for cooling first-stage gas and second-stage gas; the cyclone separation device comprises a cyclone cylinder and is used for carrying out oil-gas-water separation on the oil-water-gas mixed liquid; the tail gas treatment device comprises a tail gas barrel used for purifying acid waste gas components in tail gas. The oily sludge treatment system realizes integrated treatment of sludge dewatering, oily liquid recovery and tail gas purification, and the sludge dewatering and deoiling device not only realizes continuous operation of water and oil in sludge and improves the sludge treatment efficiency, but also enables the secondary heating cavity to utilize heat of the primary heating cavity and saves the operation treatment cost.

The invention relates to the technical field of dryers, in particular to a heater-free efficient cold-drying adsorption type dryer and a drying method.The efficient cold-drying adsorption type dryer comprises a heat exchange system and two drying towers, the two drying towers are connected in parallel through a connecting pipeline, and the heat exchange system comprises a heating cylinder and a cooling cylinder; heat exchangers are arranged in the heating cylinder and the cooling cylinder, the two heat exchangers are connected in series through a heat exchange pipeline, a compressor and an expansion joint are arranged on the heat exchange pipeline, the compressor is used for compressing a refrigerant in the heat exchange pipeline into high-temperature and high-pressure gas from low-temperature and low-pressure gas, and the expansion joint is used for converting normal-temperature and high-pressure liquid into low-temperature and low-pressure liquid; and the heat exchanger in the heating cylinder radiates heat to heat the dried compressed air, and the heat exchanger in the cooling cylinder absorbs heat to refrigerate the to-be-dried compressed air. The heating energy efficiency ratio of the compressor is about 1: 3, and compared with a heater, a large amount of heating energy consumption can be saved.

A testing tool for a half-bridge power module disclosed by the present invention comprises a tool shell, a top cover for placing the power module, and a temperature adjusting mechanism located in the tool shell, the temperature adjusting mechanism comprises a semiconductor chilling plate, a first butt joint plate is fixed at the cold end of the semiconductor chilling plate, and a second butt joint plate is fixed at the cold end of the semiconductor chilling plate. A first heat conduction plate is fixed to the hot end of the semiconductor chilling plate and makes contact with a plurality of first heat conduction fins distributed at equal intervals, the first heat conduction fins and a second heat conduction plate are of an integrated structure, and the second heat conduction plate is fixedly connected with a second butt joint plate. The first butt joint plate and the second butt joint plate are used for cooling and heating the power module. According to the testing tool for the half-bridge power module, cold air and heat generated by the semiconductor chilling plate can be fully utilized, waste of the cold air and the heat is avoided, meanwhile, energy consumption in the testing process can be reduced, and energy conservation and emission reduction are facilitated.

The invention discloses a cooking control method and a cooking utensil, the cooking control method comprises a pre-cooking process and a mixed cooking process, the pre-cooking process comprises a pre-cooking temperature rise stage, and the cooking temperature of the cooking utensil is controlled to rise to a first pre-cooking temperature; the cooking utensil is controlled to be heated in a third preset power mode in the mixed cooking process, the third preset power mode comprises the step of controlling the cooking utensil to execute starting and stopping heating of multiple time periods T, the single time period T comprises the heating duration tp, the first pre-cooking duration tr1 from heating starting to the cooking temperature reaching the first pre-cooking temperature in the pre-cooking temperature rising stage is obtained, and the second pre-cooking duration tr2 is obtained; the heating duration tp is determined on the basis of the first pre-cooking duration tr1 in the mixed cooking procedure. According to the application, the heating duration in a single time period of the mixed cooking process can be adjusted according to the heating duration of independent cooking of the difficult-to-cook grains, so that the cooking effect of the difficult-to-cook grains and the cooking effect of the easy-to-cook grains can be balanced, the difficult-to-cook grains in the cooked mixed rice are soft and glutinous in mouth feel, and the easy-to-cook grains are moderate in mouth feel.

The utility model relates to the technical field of pulverized coal boilers, and discloses a boiler hot air recirculation device which comprises a coal feeder, a coal mill, a burner, a boiler, a primary air pre-heater, a secondary air pre-heater, a primary air fan and an air feeder. The coal feeder conveys coal into the coal mill, and a coarse powder separator is mounted on the coal mill; the coarse powder separator is connected with the combustor through a coal mill outlet pipe, and the combustor is connected with the boiler; the primary air pre-heater is connected with the coal mill through a hot primary air pipeline, and the secondary air pre-heater is connected with the combustor through a hot secondary air pipeline; a primary fan outlet pipe is arranged on the primary fan and connected with the primary air pre-heater, and an air feeder outlet pipe is arranged on the air feeder and connected with the secondary air pre-heater; a hot air recirculation pipe is arranged on the hot secondary air pipeline and connected with the primary fan, and a cold primary air pipeline is arranged on an outlet pipe of the primary fan and connected with the hot primary air pipeline.

The wastewater treatment system comprises a wastewater treatment tank mechanism, and the wastewater treatment tank mechanism comprises a main tank body base, a main tank body, an auxiliary tank base, an auxiliary tank body, a heating opening, a liquid inlet, an auxiliary tank liquid outlet, a main tank liquid inlet pipe, a liquid inlet control valve, a main tank liquid outlet, a left sealing end cover, a right sealing end cover, a heat preservation layer and a lining layer. The main tank body is fixedly arranged on the main tank body base, the auxiliary tank bodies are fixedly arranged on the main tank body through the multiple sets of auxiliary tank bases, a liquid inlet is fixedly formed in the top of each auxiliary tank body, and a heating opening is formed in the end face of one side of each auxiliary tank body. The whole tank body is optimized for anti-corrosion treatment, so that the production cost of equipment is reduced; the corrosion to the inner wall of the tank body in a wastewater preheating link is improved. The pressure control precision is improved, the oxygen inlet mode is improved, and the phenomenon that the tank body and the pipeline are blocked due to the fact that inorganic salt settles or is attached to the pipe wall due to the long reaction period is reduced.

This invention discloses a direct rolling production method for Q235B carbon structural steel plate. The chemical composition and mass percentage of the Q235B carbon structural steel plate are as follows: C: 0.16-0.19%, Si: 0.10-0.30%, Mn: 0.25-0.40%, P≤0.030%, S≤0.025%, with the balance being Fe and unavoidable residual elements and impurities from the production process. The production method includes continuous casting, billet reheating, rolling, and cooling. The superheat during continuous casting is controlled at 25-40℃, and the specific water content in the secondary cooling zone is controlled at 0.46-0.49 L / kg. The casting speed is controlled at 1.1–1.15 m / min, and the average temperature of the billet exiting the fan-shaped section is controlled between 1170–1220℃. After being cut, the continuously cast billet is conveyed to the steel tapping roller conveyor of the heating furnace without being heated in the heating furnace. The temperature drop during the conveying process is controlled below 2℃ / min. After the billet is sent to the steel tapping roller conveyor of the heating furnace, it enters a heat-replenishing and heat-insulating cover with edge heating function for heat replenishment. The billet temperature at the end of the heat replenishment process is controlled at 1150–1200℃. The carbon structural steel plate of this invention meets the national standards in terms of comprehensive performance, significantly reduces energy consumption costs, and has a simple and efficient process.

The utility model discloses a kind of formic acid hydrogen production carbon dioxide recovery purification systems, its technical scheme main points include sequentially connected: formic acid hydrogen production unit, for by formic acid raw material preparation hydrogen-rich gas;Carbon dioxide separation unit, for separating crude carbon dioxide in hydrogen-rich gas, purifying hydrogen;Carbon dioxide collection unit, for collecting crude carbon dioxide and pressurization;Carbon dioxide purification unit, for filtering impurity in crude carbon dioxide, purifying carbon dioxide;Carbon dioxide storage unit, for storing after carbon dioxide of depositing;The utility model innovation fusion carbon dioxide recycling, realize the clean production process of high formic acid conversion rate, carbon dioxide purity, hydrogen purity, applicable to distributed energy and chemical carbon resource scene.

The utility model relates to the field of motor production, in particular to a stator paint dipping system, which comprises a preheating box, a pre-drying furnace, a paint dipping cylinder and a cooling cylinder, an inner cavity of the preheating box comprises a stator containing cavity and a paint liquid containing cavity which are arranged up and down. The stator containing cavity, the pre-drying furnace and the paint dipping cylinder are sequentially connected through a stator feeding channel. The paint dipping cylinder, the paint liquid containing cavity and the cooling cylinder are sequentially connected through a paint liquid conveying pipeline to form a closed loop. The stator paint dipping system provided by the utility model ensures the dipping and drying effect of the stator, reduces the energy consumption required for pre-drying the stator and cooling the paint liquid, and achieves the purpose of saving energy.

The utility model belongs to the technical field of garbage treatment, and particularly relates to an organic garbage pulping and sorting system. The organic garbage pulping and sorting system comprises a crushing and screening machine, a sand setting and impurity removing unit, a heating unit and a three-phase centrifugal machine which are connected in sequence, wherein the crushing and screening machine is used for crushing and screening garbage, separated impurities are conveyed to the presser, and slurry is conveyed to the sand setting and impurity removing unit; the sand setting and impurity removing unit is used for removing sand and impurities from the slurry and then conveying the slurry to the heating unit for heating; and the three-phase centrifugal machine is used for carrying out three-phase separation on the heated slurry. According to the organic garbage pulping and sorting system, preliminary large substance sorting does not need to be conducted on garbage, sorting and pulping are completed through the crushing and screening machine, the technological process is shortened, the occupied area can be saved, and the investment cost and the operation cost can be reduced.

The application discloses a system and method for treating high-concentration cyclohexane oxidation tail gas. The system comprises an adsorption / desorption module and an absorption / desorption module, and can directly treat high-concentration cyclohexane oxidation tail gas while meeting the gas emission requirements. The system has the advantages of short overall process, high cyclohexane recovery rate, reasonable energy utilization, low energy consumption and the like.

The application relates to the field of semiconductor cleaning and recovery, and discloses a multiple-chemical-classification-discharge-recovery system, which comprises a base, and a plurality of groups of through holes are equidistantly arranged in the middle part of the circumference of the base. The reaction liquid is continuously provided into the inner cavity of the inner shell through the spray head mechanism until the chemical solution no longer generates heavy metal calcium class precipitates, at which time the heavy metal ions in the chemical solution are consumed, at which time the gravity of the adhesion mechanism no longer increases, and the adhesion mechanism no longer provides the reaction liquid into the inner cavity of the inner shell through the extrusion liquid supply mechanism, so that the problem that, before the existing chemical classification discharge recovery system is used, the volume, weight and concentration of the chemical solution and other parameters need to be detected and calculated in detail and complicatedly, and then the chemical solution is added with appropriate reaction liquid, so that when the chemical solution is treated, a large amount of time and manpower cost need to be consumed, and high-end detection equipment needs to be used, and the cost is sharply increased, is solved.

The utility model provides a heating assembly and an aerosol generating device. The heating assembly comprises a containing pipe, a heat exchange core and a heating piece. A containing cavity is formed in the containing pipe, and a first opening is formed in one end of the containing cavity. At least part of the heat exchange core is arranged on the side, away from the first opening, of the containing cavity, and the heat exchange core is provided with heat exchange holes. The heating piece is arranged between the inner wall of the containing cavity and the heat exchange core, one part of heat generated by the heating piece is used for heating the heat exchange core, and the other part of the heat generated by the heating piece is used for heating the containing pipe; the heat conductivity of the accommodating pipe is h1; the heat conductivity of the heat exchange core is h2; the heat conductivity of the containing pipe is larger than that of the heat exchange core, or the heat conductivity of the containing pipe is smaller than that of the heat exchange core. According to the heating assembly and the aerosol generating device, the heating efficiency can be improved, and the heating energy consumption can be reduced.

The utility model discloses a kind of super-thick material layer sintering process heat preservation energy-saving sintering trolley, it includes fixed base, sintering bin and heat insulation board, wherein heat insulation board includes core insulation layer, support layer and outer protective layer, and is respectively fixedly connected in the four around side surface of sintering bin, and the upper end of sintering bin is rotatably connected with heat preservation bin cover by pivot.The utility model forms full-enclosing heat preservation structure by four around heat insulation board and top heat preservation bin cover, adopts layered design, core insulation layer selects gas-phase silicon dioxide nanometer core material cooperate glass fiber mat support layer and aluminum foil outer protective layer, and thickness is controlled at 40-50mm, can maximize reduce the heat loss of sintering bin to outside;Heat preservation bin cover further blocks top heat loss, can reduce the additional heating energy consumption required in maintaining super-thick material layer during sintering process, realize energy-saving goal, and temperature in bin is more stable, avoid the problem of sintering uneven caused by local heat loss, ensure sintering quality.

A first water inlet pipe of a first titanium plate heat exchanger of the system is connected with a water taking well, a first water outlet pipe of the first titanium plate heat exchanger is connected with a first water inlet pipe of a second titanium plate heat exchanger, and a first water outlet pipe of the second titanium plate heat exchanger is connected with a recharge well. The second water outlet pipe is connected with a first water inlet pipe of a steam type lithium bromide heat pump unit, a first water outlet pipe of the steam type lithium bromide heat pump unit is connected with a second water inlet pipe of a second titanium plate type heat exchanger, and the second water inlet pipe is connected with a heat supply network water return pipe and a heat supply pipe. A second water inlet pipe of the first titanium plate type heat exchanger is connected with a heat supply network water return pipe, a second water outlet pipe is connected with a heat supply pipe, a third water outlet pipe of the steam type lithium bromide heat pump unit is connected with a drain cooler, and the first titanium plate type heat exchanger is connected with the drain cooler. And waste heat is fully recovered.

The utility model discloses a multi-stage cascade waste heat recovery system of dish washer for recycling the waste heat generated by dish washer, and the dish washer has a water tank, a main washing bin, a rinsing bin and a drying bin, the main washing bin and the rinsing bin are communicated with the water tank, the drying bin is located at the downstream of the rinsing bin, the rinsing bin is located at the downstream of the main washing bin, characterized by: the water tank has a first-stage waste heat recovery device, the first-stage waste heat recovery device is communicated with the high-temperature drain pipe of the dish washer, the main washing bin has a second-stage waste heat recovery device, the second-stage waste heat recovery device is communicated with the water tank, the rinsing bin has a third-stage waste heat recovery device, the third-stage waste heat recovery device is communicated with the water tank, the drying bin has a fourth-stage waste heat recovery device, and the fourth-stage waste heat recovery device is communicated with the water tank. The utility model is used for recycling the waste heat of the main washing, rinsing and drying stages of the dish washer and improving the energy utilization rate.

The utility model relates to the technical field of heating equipment, in particular to plating assisting liquid heating equipment for hot-dip galvanizing, which comprises a processing box body, a lifting plating assisting mechanism for heating and preserving heat of plating assisting liquid is arranged on the processing box body, and an automatic liquid supplementing mechanism is arranged in the processing box body. The lifting plating-assisting mechanism comprises a stirring support movably installed in the plating-assisting tank, and a heating inner container used for heating plating-assisting liquid is arranged on the inner wall of the plating-assisting tank. According to the utility model, by arranging the lifting plating assisting mechanism and the automatic liquid supplementing mechanism, and by virtue of the spiral surrounding design and the heat conduction characteristic of the spiral inner pipe, heat energy in the plating assisting tank can be conducted into newly supplemented plating assisting liquid in real time, so that a liquid inlet preheating function is realized, and the temperature of the supplemented liquid can be increased to more than 50 DEG C (only 20-25 DEG C is directly supplemented in the prior art); the follow-up temperature rise energy consumption of the heating inner container can be effectively reduced, temperature fluctuation in the groove caused by cold liquid injection can be avoided, and the quality consistency of a plating layer can be remarkably improved.

The present invention relates to a low-emission, high-energy-efficiency, direct-fired lithium bromide absorption type cold and hot water unit, belonging to the technical field of air conditioning equipment. It is additionally provided with a hot water heat exchanger (17); the hot water heat exchanger water inlet pipe (29) of the hot water heat exchanger (17) is connected to the evaporator water inlet pipe (31) of the evaporator (1), and a valve II (30) is provided on the pipe; the hot water heat exchanger water outlet pipe (26) of the hot water heat exchanger (17) is connected to the evaporator water outlet pipe (28) of the evaporator (1), and a valve I (27) is provided on the pipe; the solution flow of the flue gas heat exchanger (14) and the refrigerant water heat exchanger (20) is a series flow. It can reduce the temperature of the dilute solution entering the flue gas heat exchanger when the unit is in heating operation, thereby reducing the exhaust temperature of the unit to below 80°C, so that the heat of the low-temperature flue gas can be fully recovered and utilized, and the heating performance coefficient COP is increased to above 0.962, the unit operation is more economical, and the heating energy consumption is lower.

The utility model relates to an ironing device for carbon fiber prepreg cloth, which comprises two groups of press-fit rollers rotating oppositely, a workbench is arranged between the two groups of press-fit rollers, and a hot press roller and a cold press roller are sequentially arranged on the workbench; one end of the hot-pressing roller is connected with a high-temperature steam generating device through a steam inlet pipe, the other end of the hot-pressing roller is connected with the cold-pressing roller through a conveying pipe, a cooling device is arranged on the conveying pipe, the other end of the cold-pressing roller is connected with a return pipe, and an outlet of the return pipe is connected to the high-temperature steam generating device. Electric heating is replaced by a water vapor circulation mode, heating is milder, more energy consumption is saved, water vapor heat can be circulated, high-temperature cooling water obtained through heat exchange at the cooling device can serve as water resource supplement of the high-temperature steam generating device, heating energy consumption is reduced, and in addition, the energy consumption of the high-temperature steam generating device is reduced. And the water can also be used as domestic water in a factory workshop, so that the working environment comfort is improved.

This invention discloses a method for regulating the operation of a low-temperature return water cogeneration heating system, comprising: determining the minimum supply water temperature t0 of the system; when the heating load is greater than the load threshold Q0, using a quality regulation method, the system operates at the maximum circulating water volume, and the supply water temperature gradually decreases from the design temperature to the minimum supply water temperature t0; when the heating load is less than or equal to the load threshold Q0, using a quantity regulation method, the circulating water volume can be changed within a set range to maintain the supply water temperature at the minimum supply water temperature t0; calculating the equivalent heating power of each stage of steam and each operating condition; using the lowest weighted equivalent heating power w of the power plant as the sorting principle, determining the steam extraction sequence and steam volume of each unit during the heating load change process. This invention achieves refined regulation of power plant heating, incorporating power plant circulating water volume, supply water temperature, heating steam matching, and unit back pressure into the heating regulation scope on the basis of traditional simple quality and quantity regulation, thereby optimizing the power plant's heating energy consumption.

The utility model discloses a kind of highland barley roasting machines, it is related to highland barley roasting field, including primary roasting unit, secondary roasting unit and tertiary roasting unit, the primary roasting unit includes electric hot plate, primary roasting pan and primary scraping mechanism, the primary roasting pan bottom is annular, the secondary roasting unit includes electric hot plate, secondary roasting pan and secondary scraping mechanism, the tertiary roasting unit includes electric hot plate, tertiary roasting pan and tertiary scraping mechanism, the tertiary roasting pan is annular, the tertiary scraping mechanism can promote highland barley to fall from tertiary roasting pan inner ring place, by the synergistic effect of tertiary classification heating and tertiary scraping mechanism, the drawbacks caused by traditional equipment due to single constant temperature roasting are solved, avoid the problem of scorched paper caused by insufficient heating at highland barley front end, excessive heating at rear end, finally make highland barley overall heating more uniform, not only reduce energy consumption, also significantly improve roasting efficiency and finished product qualification rate.

The present invention discloses a forging heat treatment equipment and a heat treatment process thereof, belonging to the technical field of forging processing. A forging heat treatment equipment includes a workbench, and also includes: a material box, which is fixed on the workbench and used to place short bars, and a discharge port is opened at the bottom of the material box; a pushing component, which is arranged on the workbench and used to push the short bars falling in the material box; a heat treatment piece, which is electrically connected to a heating coil for heating the short bars; the present invention arranges a self-coaxial component so that the short bars and the heating coil are coaxially arranged during heat treatment, and then the positions of the side curved surfaces of the short bars are equal to the positions between the heating coils, so as to ensure the uniformity of heating of the short bars, and the short bars are rotated during heating, so that the side curved surfaces of the short bars will not always abut against the support position, further ensuring the uniformity of heating of the forgings, saving heating energy consumption, and improving the efficiency of heat treatment of forgings.

The utility model relates to a welding head device of an automatic soldering machine, which belongs to the field of soldering machines, and comprises a heating box, a welding head and a welding head, the heating pipe is arranged in the heating cabin; the output assembly is arranged on the heating box; the two ends of the conveying assembly communicate with the lower end of the heating box and the lower end of the output assembly correspondingly. The output assembly comprises an outer metal pipe arranged on the side face of the heating box and an inner metal pipe arranged in the outer metal pipe. One end of the conveying assembly communicates with the lower end of the outer metal pipe. During welding, the tin utilization rate is high, and the tin loss is reduced.