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114results about How to "Avoid hot and cold" patented technology

Side-blown depletion copper smelting slag production method

The invention belongs to the technical field of copper smelting, and particularly relates to a side-blown depletion copper smelting slag production method. The side-blown depletion copper smelting slag production method includes the following steps that a vulcanizing agent and copper smelting slag are added into a side-blown depletion furnace from a feeding opening, wherein the mass ratio of the copper smelting slag to the vulcanizing agent is 100:0-15, and the copper smelting slag is molten copper smelting slag or solid copper smelting slag; fuel is jetted into a molten pool through a spraying gun opening formed in the side portion of the depletion furnace, wherein the fuel is a mixture of pulverized coal and compressed air or a mixture of pulverized coal and oxygen-enriched air, the fuel is used for achieving stirring, heat transferring and medium transferring in the depletion furnace, the temperature in the furnace ranges from 1100 DEG C to 1300 DEG C, the pressure ranges from 0.1 Mpa to 0.4 Mpa, and the depth of the molten pool ranges from 800 mm to 2000 mm; copper matte is placed in through a copper matte opening, and depletion slag is discharged through a slag outlet; and smoke enters a gas desulfurization system after being subject to cooling and dust collection, is subject to desulfuration and is released after the standard is met. The process has the beneficial effects of saving investment, and being low in energy consumption, low in cost, high in automatic degree, environment-friendly and the like.
Owner:HENAN YUGUANG GOLD & LEAD

Constant-temperature constant-flow water outlet control method and constant-temperature constant-flow valve

The invention discloses a constant-temperature constant-flow water outlet control method and a constant-temperature constant-flow valve. The constant-temperature constant-flow water outlet control method comprises the following steps that (1) the water outlet set temperature To and the water outlet set flow Fo are collected; (2) the cold water temperature Tic and the hot water temperature Tih aredetected; (3) the proportion of cold water and hot water is calculated according to the water outlet set temperature To, the cold water temperature Tic and the hot water temperature Tih; (4) the coldwater flow FL and the hot water flow FR are calculated according to the proportion of the cold water and the hot water and the water outlet set flow Fo correspondingly; and (5) the opening degree of acold water adjusting mechanism and the opening degree of a hot water adjusting mechanism are synchronously adjusted, so that the requirements of the proportion of the cold water and the hot water, the cold water flow FL and the hot water flow FR are met. According to the constant-temperature and constant-flow water outlet control method, the cold and hot water temperature, the water inlet and outlet temperature, the water outlet flow are used as the detection variable for realizing control, accurate detection is carried out on the detection variable, moreover, the proportion of the cold waterand the hot water and the flow of the cold water and the hot water are accurately calculated, then the opening degree of the cold water adjusting mechanism and the opening degree of the hot water adjusting mechanism are adjusted, so that the control is more accurate, and the bathing comfort is improved.
Owner:QINGDAO ECONOMIC & TECHN DEV ZONE HAIER WATER HEATER

Heating control method of air conditioner and air conditioner thereof

The invention discloses a heating control method of an air conditioner and the air conditioner thereof. The heating control method of the air conditioner comprises the following steps: acquiring the ambient temperature of different positions in a room, and obtaining the average indoor temperature according to the ambient temperature; when the indoor average temperature is less than a set temperature and the temperature difference between the indoor average temperature and the set temperature is less than or equal to a set value, acquiring a heating control signal corresponding to the temperature difference; and adjusting the output temperature of the air conditioner according to the heating control signal. The indoor average temperature is obtained by collecting the environment temperatures at different positions, the influence of uneven distribution of the indoor environment temperature can be reduced, the output temperature of the air conditioner is adjusted, the indoor environment temperature can accurately reach the set temperature position, the temperature control effect is realized, the heating temperature control accuracy is high, the problem that the temperature is too highor too low is avoided, the use comfort of a user is improved, and the energy consumption is reduced.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1

Control method for preventing temperature-reaching halting of variable-frequency air conditioner

The invention discloses a control method for preventing temperature-reaching halting of a variable-frequency air conditioner. The air conditioner comprises a control device, the triggering condition for a temperature-reaching halting preventing mode, the temperature-reaching halting preventing running frequency f, the temperature-reaching halting condition and the temperature-reaching halting preventing wind gear are preset in the control device, f meets the driving reliability, and pipeline stress vibration is qualified. The method comprises the steps that (1), whether the triggering condition for the temperature-reaching halting preventing mode is met or not is judged, if not, the current mode is kept, and if yes, the air conditioner enters in the temperature-reaching halting preventing mode; (2), the frequency is decreased to f, wherein the initial value of i is 1, i is smaller than or equal to n, n is larger than 1, and n is an element of a set N<+>; (3), whether the temperature-reaching halting condition is met or not is judged, if not, the current mode is kept, if yes, whether i is equal to n or not is judged, if not, the step (4) is conducted, and if yes, the step (5) is conducted; (4), the formula i=i+1 is conducted, and the step (2) is conducted; and (5), the rotation speed of an outer fan is decreased to the temperature-reaching halting preventing wind gear.According to the control method, the product comfortableness can be improved, the sudden cold and hot problem generated by temperature-reaching halting is avoided, and power consumption is reduced.
Owner:AUX AIR CONDITIONING LTD BY SHARE LTD

Control method for adjusting exhaust superheat degree of air conditioner, and air conditioner

The invention discloses a control method of an air conditioner. The control method comprises the steps that the exhaust temperature T<exhaust> and the exhaust pressure P<exhaust> of a compressor are detected, the difference between saturation temperatures Tp corresponding to the exhaust temperature T<exhaust> and the exhaust pressure P<exhaust> is calculated, and the exhaust superheat degree of the compressor is obtained; when the exhaust superheat degree is within the first preset temperature range, the rotating speed of an inner fan is controlled to keep unchanged; and when the exhaust superheat degree is not within the first preset temperature range, whether the suction superheat degree is within the second preset temperature range or not is judged, if yes, the rotating speed of the fanis controlled to keep unchanged, and if not, the rotating speed of the inner fan is adjusted. The rotating speed of the inner fan is controlled by comprehensively judging the two parameters of the exhaust superheat degree and the suction superheat degree, the blowing-out temperature is not changed due to change of the rotating speed of the inner fan, and thus the problem that in related technologies, the working frequency of the compressor is adjusted, then the refrigeration capacity of the compressor is changed, and consequently sudden changes of the temperature occur is avoided.
Owner:NINGBO AUX ELECTRIC +1

Control method for improving refrigeration comfort of frequency conversion air conditioner

InactiveCN109489188AImprove use comfort performanceSolve the problem of low load and frequent shutdownMechanical apparatusLow loadFrequency conversion
The invention provides a control method for improving the refrigeration comfort of a frequency conversion air conditioner, and relates to the technical field of air conditioners. The control method for improving the refrigeration comfort of the frequency conversion air conditioner comprises the following steps that in a refrigeration mode, if the air conditioner shuts down since the indoor temperature reaches the temperature point and the air conditioner has the refrigeration temperature compensation function, the dynamic compensation operation is conducted, wherein according to the specific dynamic compensation operation, the dynamic compensation value delta t DEG C is added for the refrigeration temperature compensation value on the basis of the fixed compensation value. The provided control method for improving the refrigeration comfort of the frequency conversion air conditioner can solve the problem that frequent shutdown is likely to happen due to low loads, wherein the problem cannot be solved through the fixed refrigeration temperature compensation value; and the problem that in the refrigeration mode, the temperature point is reached, and sudden cold and heat happen due torepeated startup and shutdown is solved, and the usage comfort of users is improved.
Owner:AUX AIR CONDITIONING LTD BY SHARE LTD

Spraying scalding machine

ActiveCN104430791AAvoid hot and coldImprove scalding effectPoultry processingElectricityWastewater
The invention belongs to the field of poultry processing machinery and in particular relates to a spraying scalding machine. The spraying scalding machine comprises a rack, a hot water tank, a heat preservation tank cover and a conveying belt, wherein a water inlet pipe and a water outlet pipe are arranged at the front end and the rear end of the hot water tank respectively, a motor is arranged at the bottom of the hot water tank, the motor is connected with a water guide pipe which is connected with a spraying pipe, a pressurizing motor is arranged at the top end of the heat preservation tank cover, a heating plate is arranged at the bottom end of the hot water tank, three or four water temperature sensors are arranged on the inner wall of the hot water tank, and the heating plate and the water temperature sensors are controlled by a controller arranged at the lower end of the rack. The spraying scalding machine solves the problem that water temperature of the general scalding machine is not constant, the follow-up operating efficiency is improved by a high-pressure spraying device, the quality of a product is improved, water and electricity are saved, and the resource waste is reduced; and besides, polluted industrial wastewater is treated, environment-protection and sanitary effects are achieved and the spraying scalding machine is very suitable for promotion vigorously.
Owner:山东洋利电气有限公司

Method and equipment for automatically controlling temperature based on humidity

The invention discloses a method and equipment for automatically controlling the temperature based on the humidity. The equipment comprises an air conditioner, wherein the air conditioner comprises a temperature control system and a humidity adjustment system; the temperature control system comprises a temperature sensor, a humidity sensor and a central processing unit; the humidity adjustment system comprises a dehumidification module and a humidification module; the central processing unit is connected with the temperature sensor, the humidity sensor and the humidity adjustment system; the temperature sensor is used for acquiring the current environmental temperature; the humidity sensor is used for acquiring the current humidity; the central processing unit judges whether the heating operation or the cooling operation is needed at present according to the difference between the current environmental temperature and the set temperature; and then, the central processing unit judges the mismatching between the current humidity and the set temperature and humidity, adjusts the temperature and the humidity, and controls the temperature-humidity adjustment speed according to the set temperature-humidity matching adjustment and control rules. Accordingly, the environment where the temperature and the humidity can be automatically matched as well as the comfort of a user is optimum can be created, the energy can be saved, and the risk of the air-conditioning disease of the user can be reduced.
Owner:珠海晖达科技有限公司

Breakage-proof tea processing device

The invention discloses a breakage-proof tea processing device. A connecting support is welded to one side of the top end of a mounting support, a fixation tank is welded to the top end of the connecting support, a feeding port is welded to the top of one side of the fixation tank, a discharging pipe is fixedly connected to the middle of the bottom end of the fixation tank, and the top, corresponding to the internal position of the fixation tank, of the discharging pipe is clamped with a fixation screen cylinder; according to the present invention, with the downward pressing of a lifting roundplate, the tea leaves in the fixation screen drum are compact, and the gap between the tea leaves is reduced, such that the water loss speed of the tea leaves during the fixation process is effectively reduced, and the charring phenomenon of the tea leaves with the low water content is avoided; the breakage-proof tea processing device ensures that the tea leaves after fixation still have sufficient moisture, ensures that the tea leaves on the inner and outer rings of the fixation screen cylinder can be uniformly heated, and can discharge surplus water vapor accumulated in the fixation tank during next pressing, optimizes the fixation process of the tea leaves, ensures high-quality fixation of the tea leaves, and improves the fixation quality of the tea leaves.
Owner:韦世林

Gas-electric combined type water heater

The invention relates to the field of household appliances, in particular to a water heater. A gas-electric combined type water heater comprises a casing, a gas heating mechanism, a cold water inlet pipe and a hot water outlet pipe, wherein the gas heating mechanism is arranged in the casing, the cold water inlet pipe and the hot water outlet pipe are arranged at the bottom of the casing, the cold water inlet pipe is communicated with a water inlet of the gas heating mechanism, a water storage box is further arranged in the casing, an electric heating pipe and a temperature sensor are arranged in the water storage box, a water outlet of the gas heating mechanism is communicated with a water inlet of the water storage box, and a water outlet of the water storage box is communicated with the hot water outlet pipe. The gas-electric combined type water heater provided by the invention has the advantages that water in the water storage box is firstly preheated when the water heater is needed for use; during use, the water stored in the water storage box can neutralize the temperature of discharged water, so that the discharged water can be prevented from abrupt temperature changes; when the discharged water is cooled, additional heating can be further achieved through the electric heating pipe in the water storage box. Therefore, the gas-electric combined type water heater improves the bathing comfort, and is particularly suitable for users suffering from an unstable water pressure.
Owner:宁波奉化科创科技服务有限公司

Degradable composite mulching film forming process

The invention relates to a degradable composite mulching film forming process, in particular to a degradable composite mulching film forming device. The degradable composite mulching film forming device comprises a bottom plate, a supporting frame, a cooling slitting mechanism and a tensioning winding mechanism, wherein the supporting frame is installed on the bottom plate, and the cooling slitting mechanism is installed at the left side of the upper end face of the supporting frame; and the tensioning winding mechanism is installed at the right side of the upper end face of the supporting frame. According to the degradable composite mulching film forming process and device, the problems that the cooling effect of a mulching film is affected due to the fact that the surface of the mulchingfilm is uneven in temperature caused by the fact that cooling liquid cannot be evenly smeared on the surface of a composite mulching film when the composite mulching film is cooled, and the winding efficiency of the mulching film is affected due to the fact that the part making contact with a knife edge is wrinkled when the mulching film is slit can be solved, and the problems that because the mulching film cannot be tensioned before the composite mulching film is wound and the winding tension cannot be increased, the mulching film cannot be tightly attached to a winding roller during winding, loosening occurs, and even winding disengagement occurs can be solved.
Owner:江华诚德新型材料有限公司

Water temperature fluctuation preventing fuel water heater

The invention discloses a water temperature fluctuation preventing fuel water heater which comprises a heat exchanger, a water inlet pipe, a water outlet pipe and a combustor, wherein the water inlet pipe and the water outlet pipe are connected to the heat exchanger, and the combustor provides heat for the heat exchanger. The fuel water heater is characterized in that a heat storage device is connected to the water outlet pipe and comprises a shell, a heat exchange pipe arranged in the shell and connected with the water outlet pipe in series, and fins connected to the heat exchange pipe. By connecting the heat storage device to the water outlet pipe in series, when the water temperature suddenly rises, the heat in high-temperature water is absorbed and stored, and discomfort caused by too high water temperature is prevented; when the water temperature suddenly drops, the heat released in the heat storage device prevents water temperature from dropping. Meanwhile, through the combination of a memory alloy temperature control water valve, when the water outlet temperature is too high, the valve is automatically switched on to increase the water amount and prevent the water temperature from being too high; when the temperature is too low, the valve is automatically switched off to decrease the water amount and make the constant temperature quite precise.
Owner:GUANGDONG MACRO GAS APPLIANCE

Wall hanging stove waterway circulation control method, device and system

PendingCN110579023AReduce water temperature riseImprove comfortFluid heatersHeating fuelEngineeringOperation mode
The invention discloses a wall hanging stove waterway circulation control method, device and system. The method comprises the steps that after it is detected that domestic water is turned off, an operation mode of a wall hanging stove is obtained; according to the operation mode, an electric three-way valve is controlled to act to make the wall hanging stove carry out waterway circulation according to the mode of switching a major cycle of a heating system and a minor cycle of the heating system or according to the major circle mode of the heating system, wherein according to the major cycle of the heating system, water output by a water pump passes through a main heat exchanger, the electric three-way valve and the heat dissipating tail end in sequence and flows back to the water pump, and according to the minor cycle of the heating system, water output by the water pump passes through the main heat exchanger, the electric three-way valve and a plate heat exchanger in sequence and then flows back to the water pump. By means of the method, after the domestic water is turned off, waterway circulation can be carried out in the mode of switching the major cycle of the heating system and the minor cycle of the heating system or in the mode of the major cycle of the heating system, water stopping temperature rising of the wall hanging stove can be effectively relieved, the comfortableness of domestic water can be improved, and the use experience of users can be improved.
Owner:WUHU MIDEA KITCHEN & BATH APPLIANCES MFG CO LTD

Water mixing valve with pressure balancing mechanism

The invention relates to a water mixing valve with a pressure balancing mechanism. The water mixing valve comprises a casing with a first inlet, a second inlet and a water outlet. The water mixing valve is characterized in that a pressure sensing channel and a sliding rod channel are arranged between the first inlet and the second inlet; one end of the pressure sensing channel is communicated with the first inlet; the other end of the pressure sensing channel is communicated with the second inlet; a sliding block is arranged in an inner cavity of the pressure sensing channel; one end of the sliding rod channel is communicated with the first inlet; the other end of the sliding rod channel is communicated with the second inlet; a sliding rod is arranged in an inner cavity of the sliding rod channel; two ends of the sliding rod are respectively connected with a first gate plate and a second gate plate; the pressure sensing channel is mutually parallel to the sliding rod channel; a connecting rod cavity is arranged between the pressure sensing channel and the sliding rod channel; a connecting rod is arranged in the connecting rod cavity; an intermediate section of the connecting rod is pivoted on the inner wall of the connecting rod cavity; two ends of the connecting rod are respectively hinged on the sliding block and the sliding rod; and in addition, a return device acting on the connecting rod is arranged in the casing. The water mixing valve is simple in structure and is convenient to use; and according to the water mixing valve, the pressures of two water inlet ends can be automatically adjusted according to the change of the water pressure; the pressure difference between two ends can be reduced as much as possible; accurate adjustment of the temperature is facilitated; and the phenomenon of blow hot and cold due to the instability of the water pressure can be avoided.
Owner:潍坊百乐卫浴制品有限公司

Wall-hanging stove with self cleaning function and self cleaning method thereof

The invention relates to the technical field of wall-hanging stoves, in particular to a wall-hanging stove with a self cleaning function and a self cleaning method of the wall-hanging stove. The wall-hanging stove comprises a return water pipeline, a heating pipeline, a domestic hot water pipeline, a valve assembly and a detergent supply device. During self cleaning, the domestic hot water pipeline, the heating pipeline and the return water pipeline form a loop through the valve assembly, the detergent supply device includes a detergent storage tank and a control valve, the detergent storage tank is connected to the loop composed of the return water pipeline, the heating pipeline and the domestic hot water pipeline, and the control valve controls the detergent storage tank to be opened andclosed. The wall-hanging stove is provided with the valve assembly and the detergent supply device, during cleaning, the domestic hot water pipeline or the heating pipeline can be switched to be connected with the return water pipeline through the valve assembly, cleaning of the domestic hot water pipeline and the heating pipeline can be simultaneously achieved, meanwhile, the detergent supply device can be automatically opened or closed through the control valve, and the self cleaning function is achieved.
Owner:GREE ELECTRIC APPLIANCES INC

Phase change heat storage floor radiation device capable of preventing overheating

The invention relates to the technical field of floor heating systems and provides a phase change heat storage floor radiation device capable of preventing overheating. The phase change heat storage floor radiation device comprises a structural layer, a thermal insulating layer, a phase change heat storage layer, an overheating preventing layer and a floor layer, wherein the structural layer, the thermal insulating layer, the phase change heat storage layer, the overheating preventing layer and the floor layer are sequentially overlapped together from bottom to top; and the overheating preventing layer comprises hot bimetallic strips, and the hot bimetallic strips are distributed between the phase change heat storage layer and the floor layer from the left to the right at intervals. Through promoting the hot bimetallic strips heated to have curved deformation, the thermal resistance of the overheating preventing layer can be increased, heat losses are reduced, and indoor overheating is prevented. When temperature suffered by the hot bimetallic strips is lower than the lower threshold, through restoring the hot bimetallic strips and promoting the hot bimetallic strips to be in contact with flexible heat conducting strips, heat radiation is promoted, and heat transmission efficiency is increased. Therefore, the regulation of heat radiation can be realized, and the keeping of a constant indoor temperature range is facilitated. Besides, through storing excessive heat and releasing the excessive heat when needed, resource wastes can be avoided, indoor temperature fluctuation can be effectively prevented, the range of temperature differences is reduced, and the comfort of users is improved.
Owner:XINJIANG UNIVERSITY
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