138 results about "Heat regulation" patented technology

Polyurethane gel materials comprising finely divided Phase Change Materials (PCMs)-for example crystalline saturated hydrocarbons-facilitate heat regulation due to heat absorption and heat release in the phase transition range of the PCM, which improves comfort when using the gel material in items such as shoe soles, bicycle seats, chair cushions and the like.

The invention relates to a method that can accomplish heat adjusting and meter at one time and the equipment, belonging to HVAC area. Said method is that calorimeter is set at the heat inlet of each building to calculate the total heat, which is seen as heat supply charge basis of the building; on-off control valve for room-temperature is set on each said branch pipe of inlet and user can set room-temperature arbitrarily in certain range by the room-temperature controller or put room-temperature controller at any position according to the demand; said room-temperature measures the room temperature and transmits the room-temperature signal measured and set by user to on-off control valve for room-temperature wirelessly and the opening time of valve is calculated and stored by control strategy for building heat characteristic in the on-off control valve so as to adjust on-off control valve for room-temperature with the purpose of controlling room-temperature; and then according to accumulative opening time of on-off control valve for room-temperature and indoor area heat supply for user is allocated. The invention can realize heat adjusting and meter at one time.

The invention discloses a thermoelectricity combined supply type compressed air energy storage system and a thermoelectricity combined supply type compressed air energy storage method for a back pressure type thermoelectric unit. The system comprises the back pressure type thermoelectricity cogeneration unit and a heat insulation compressed air energy storage system. During the electricity consumption valley time period at night, a compressed air energy storage device is used for storing redundant electric energy by compression, and heat generated in an air compression process is supplied to the thermoelectricity cogeneration unit through a heat exchange device; during the electricity consumption peak time period in the day, compressed air is expanded to generate power and absorbs the redundant heat generated by the thermoelectricity cogeneration unit. According to the system and the method, the electric energy is stored by the compressed air, and the heat-to-electricity ratio of the back pressure type thermoelectric unit can be regulated in the air compression and release processes, so that the peak load regulation capacity of the thermoelectricity cogeneration unit is improved; compared with the existing single-electric-energy storage system, the system disclosed by the invention has the advantage that under the same energy storage capacity, the system can provide a larger wind-power consumption space.

A system comprises: a plurality of heat-generators; at least one cooler that cools the heat-generators by letting a cooling medium flow; and at least one cooling medium flow regulator that regulates the amount of the flow of said cooling mediums in accordance to the heat of said heat-generators; wherein the heat of said heat-generators is transmitted to said cooling medium flow regulator without recourse to transmitting through said cooling medium or air. The system may be a disk array system.

A low wattage slow cooker featuring a wrap-around heating element for heating the side walls of the cooking vessel and a top heating element for browning food items is disclosed. The top browning element is integrated into a lid assembly of the cooker and is provided with quick connect/disconnect electrical connectors, which provide for convenient removal of the lid assembly for food service, cleaning, and storage. The wrap-around heating element and the top heating element are interconnected by a controller for heat regulation and selectively energizing the desired heating elements individually or in combination. The wrap-around heating element and the top heating elements are constructed in alternative embodiments utilizing different configurations of resistance wiring for versatility in manufacturing and cooking applications. All embodiments of the present slow cooker are provided with a heatproof ceramic or glass cooking liner, which acts as an heat insulator.

The invention provides a method for detecting a hearth radiation energy signal and a method for controlling boiler combustion by using the same, and belongs to the field of combustion monitoring and controlling. The method for detecting the hearth radiation energy signal comprises steps of analog-to-digital conversion, color value extraction and hearth radiation energy signal calculation. In the method for controlling air quantity of hearth combustion, the optimum oxygen quantity calculated by using the hearth radiation energy signal, set oxygen quantity and set offset are added, and the sum is sent to an oxygen quantity regulator to control the air quantity of the hearth combustion. The method for controlling superheater attemperating water comprises the steps of combining the hearth radiation energy signal with a heat signal to form a heat value signal; and introducing the heat value signal to a heat regulator to control the superheater attemperating water. The radiation energy signal detected by the method has the advantages of stability, reliability, capability of accurately reflecting the combustion situation in the hearth space in real time, and strong correlation with unit operation parameters; and when the new heat value signal constructed by the radiation energy signal is introduced to air supply and attemperating water control loops of the unit, the control effect of the unit can be optimized, and the efficiency of the unit can be improved. Therefore, the method for controlling the boiler combustion is suitable for combustion optimization control of a pulverized coal fired boiler of a thermal power generating unit.

A container appliance for secure receiving and storing of delivered items at a residence of a final recipient may include a storage compartment, securing mechanism, thermal conditioning system and appliance management module configured to control the securing mechanism to provide authorized delivery events and to control the thermal conditioning system to establish a temperature in a thermal conditioned region.

An eye massager comprises an eye cold and heat compressing device, a temperature control water tank and a head band, wherein the eye cold and heat compressing device comprises a water bag, a cold and heat conductive member, a refrigerating member, and a water removing radiating member, the inner side of the water bag covers eyes of a human body, the cold and heat conductive member is assembled on a side, opposite to the side covering human eyes, of the water bag, the refrigerating member is arranged on a side, opposite to a side where the water bag is arranged, of the cold and heat conductive member, the water removing radiating member is attached to the refrigerating member and the water bag, the water removing radiating member and the temperature control water tank are arranged in a circulation mode, the temperature control water tank is provided with at least one temperature control unit to reduce the temperature of liquid in the water removing radiating member, and the head band is connected with the eye cold and heat compressing device and can surround the head of the human body. According to the eye massager, the refrigerating member is capable of performing fast radiating so that the refrigerating member can be stably operated, and cold and heat regulation can be provided for cold and heat compressing of eyes so as to relieve fatigue of eyes.

The invention discloses a gas water heater and a control method thereof. The control method includes: acquiring data of water flow rate, outflow water temperature and combustion heat of the gas waterheater to work out inflow water temperature; calculating required heat according to the inflow water temperature; adjusting current of a proportional valve according to the required heat to control the gas water heater to discharge water at a constant set outflow temperature. According to conservation of energy, the inflow water temperature is derived by adoption of an integral calculation method,and accordingly the problem of failure in simultaneous calculation of inflow water temperature under simple conditions and complex flow fluctuation conditions in the prior art is solved. In addition,a current value of the proportional valve can be accurately and quickly calculated according to the inflow water temperature, so that quickness in constant-temperature water discharging is realized.

The invention discloses phase-change energy-storing heat-preservation and regulation building morta, which comprises the main components of: fine phase-change energy-storing aggregate, cementing agent, foaming agent, water repellent, water-retaining agent, enhanced anti-cracking agent, ultrafine filler and the like. The phase-change energy-storing heat preservation and adjusting building mortar breaks through the single heat resistance property of the traditional heat-preservation material, can absorb and release heat according to a binary phase change principle, has the characteristics of high phase-change potential heat value, higher heat storage density and approximately isothermal heat storage and release processes, has an excellent heat regulation and preservation effect under the condition of changing external ambient temperatures compared with common materials, can greatly reduce indoor temperature fluctuation and improve the comfort level of a human body, and meanwhile, has an obvious energy-saving effect.

The present invention provides a starch-based hydration heat regulation material preparation method, which comprises: 1, preparing enzymolysis dextrin: adding water to corn starch, blending into starch milk, placing the corn milk in a boiling water bath, heating to achieve a completely pasting state, cooling to a room temperature, adjusting the pH value to 5.5-6.5, adding isoamylase and beta-amylase, carrying out a hydrolysis reaction, adjusting the pH value to less than or equal to 3.0 after completing the reaction, inactivating the enzyme, adjusting the pH value to a neutral pH value, cooling to a room temperature, adding ethanol to the reaction solution, stirring, filtering, drying the filtrate, and crushing so as to obtain the enzymolysis dextrin; and 2, preparing the starch-based hydration heat regulation material: adding water to the enzymolysis dextrin prepared in the step 1, blending into a dextrin solution, adding an emulsifier, carrying out an emulsifying reaction, filtering, drying the solid, and crushing so as to obtain the finished product. According to the present invention, the method has characteristics of simple process and low cost, and the prepared hydration heat regulation material has characteristics of stable performance, effective reduction of the cement hydration heat release rate peak value, and substantial no influence on the medium-late stage strength of concrete.

The invention relates to heat pump type refrigerating and heating equipment, which comprises a heating exchange module, a refrigerating exchange module, a heat regulation module and a control circuit which are connected with a compressor, wherein a connecting pipe and a valve control the refrigerating exchange module to absorb heat energy from water in a cold water tank, the heat energy is transmitted to the heating exchange module by refrigerant for heating water in a hot water tank, and in the process, the heat energy absorbed in the cold water tank is basically equal to the heat energy transmitted to the hot water tank; and when one of the cold water tank and the hot water tank does not reach a preset temperature, the heat regulation module is controlled to match the refrigerating exchange module or the heating exchange module for refrigerating or heating operation. If the equipment is not used, two sets of equipment are needed, namely one is for refrigerating and the other is for heating, to realize simultaneous refrigerating and heating, so the investment is increased and the energy is wasted. When the equipment is at 27 DEG C, the cold water is preset as 12 DEG C, and the hot water is preset as 42 DEG C; and when the mass of water in the hot water pool and the cold water pool is the same, the equipment can save 50 percent of electric energy theoretically to the utmost compared with the two sets of equipment.

The invention relates to a method and a system for controlling atomization fumigation by multipoint temperature feedback, which solves the technical problem that an atomization fumigation chamber outputs water mist to realize equalization in space. The invention has the following technical proposal: the method sets the distribution positions of a multipoint temperature sensor and an atomizer according to boundary conditions which are determined according to the geometric shape of the inner space of the atomization fumigation chamber and include an airflow spraying direction angle formed by the ultrasonic atomizer nozzle and the change of temperature gradient caused by the speed. The system comprises a multipoint temperature collecting circuit, a central processing circuit, a heat regulating circuit, a water mist output circuit and a mist quantity regulating circuit. The invention has the advantages that the invention realizes the effect of accurate temperature control in the fumigation chamber by a multipoint temperature measuring and calculating model, has good use effect for users and has good economic and social benefits.

The invention provides a control method of an air conditioning system and the air conditioning system. The control method of the air conditioning system includes the following steps that S10, a unit of the air conditioning system is switched into a compressor double-cylinder operating state; S20, the operating frequency of a compressor is controlled to be F; S30, circulation is conducted according to a preset time period, and an indoor environment temperature Tring and a temperature target Tset set by a user are circularly measured; S41, if the difference between the Tring and the Tset is larger than a preset value T, the operating frequency F of the compressor confirms to the formula: A(Tring-Tset)+B+E; S42, if the difference between the Tring and the Tset is smaller than or equal to the preset value T, the operating frequency Fn of the compressor conforms to the formula: Fn-1[D+C(Tn-Tn-1)]/D. The adjusting range of the system refrigerating/heating amount is widened, and energy efficiency and comfort are improved.

The invention relates to a low-temperature early-strength corrosion-resistant cement paste system for deepwater cementing. The system consists of the following components in part by weight: 100 parts of cement, 20 to 100 parts of density regulator, 0.3 to 0.6 part of retarder, 0.1 to 5 parts of fluid loss agent, 0.1 to 3 parts of early strength agent, 0 to 0.6 part of dispersant, 5 to 30 parts of heat regulator and 60 to 120 parts of water. 100 weight parts of cement contains the following components in part by weight: 20 to 70 parts of CaO, 20 to 60 parts of Al2O3, 5 to 20 parts of SiO2, 10 to 35 parts of P2O5, 0.5 to 5 parts of Fe2O3 and 1 to 4 parts of MgO. The cement paste system has excellent low-temperature early-strength, corrosion-resistant, thickening time-adjustable and 'right angle thickening' properties, and is expected to solve the main problems of low temperature, set cement corrosion, shallow water-gas channeling and the like that the deepwater cementing faces. The system is reliable in technology and low in cost, is convenient to construct on site, and is particularly suitable for low-temperature, corrosion and shallow water-gas channeling cementing operations under deepwater conditions.

The object of the present invention is to provide a temperature control technology which is used in a warp yarn sizing apparatus and for hot air drying apparatus having several air heaters with different kinds and can improve the productivity of good warp yarn bundle and is in favor of the energy cost. A temperature controller of the invention at least programs a first control mode which detects the inner temperature of a dry chamber, outputs a heat operating signal to each heat regulator to make the detected temperature adjacent to a prescribed value to execute temperature control; and a second control mode for outputting a heat operating signal for restraining the heating unit function extend in the heat compared with the first control mode, the temperature controller is running in the hot air drying apparatus to execute one of the two control modes, and execute another control mode when the internal temperature of the dry chamber becomes prescribed status.

The invention relates to an energy-saving flow automatic regulator and an application method thereof in heat supply network flow regulation. The regulator is formed by threading a venturi tube having a flange to a shell, wherein the venturi tube is provided with a pressure meter, a flow meter and a fine tuning device; a rotating pipe is arranged in the venturi tube; a regulating cylinder is sleeved on the venturi tube in the shell; a spring is arranged between the regulating cylinder and the shell; a window is opened on the proper position on the side wall of the rotating pipe, the venturi tube and the regulating cylinder; and a regulating cylinder bottom hole is arranged on the bottom of the regulating cylinder. The energy-saving flow automatic regulator is arranged at an inlet of a heat supply network branch and two ends thereof are provided with a disconnecting valve so as to overhaul, exchange and regulate. When the regulator is used for regulating, the disconnecting valve can be regulated according to the indication of the flow meter in order to accord with the design, therefore simplifying the primary regulation of the system. Through making an industrial standard, the factory and the user can conveniently make and use the regulator. The flow is regulated by decreasing the system resistance, therefore saving energy consumption of a water pump. The quantity and quality are regulated for optimizing the heat flow regulation, therefore saving energy.

This invention pertains to apparatus and process for making core/clad glass fibers. The apparatus includes a central tube or receptacle connected at the top to a pressure controller and terminating in a reduced section; a side tube or receptacle positioned at about the level of the upper portion of the central tube; an outer tube or receptacle disposed around the bottom portion of the central tube terminating in a smaller section which is concentric with and spaced directly below the section of the central tube; a side arm connecting the side tube and the outer tube; and furnaces around the side, outer, and the reduced sections of the central and the outer tubes. The process includes the steps of disposing a solid core glass rod at a point removed from hot temperature that can cause crystallization in the core glass rod, disposing a solid clad glass rod at a point removed from the core glass rod, softening to the flowing condition the solid clad glass rod, transferring the softened clad glass to a lower point, the softened clad glass having a central void therethrough, heating the softened clad glass above its crystallization temperature, cooling the softened clad glass to a draw temperature, transferring the solid core glass rod into the central void in the softened clad glass, softening to the flowing condition the solid core glass rod with the heat from the softened and cooled clad glass, and drawing the core/clad glass fiber by allowing the clad and core glasses to flow in the form of a fiber.

The present invention relates to a method of preparing nitrogen-doped graphene, comprising: mixing at least one solid-state nitrogen containing precursor with a graphene to form a mixture, and sintering the mixture under a reducing atmosphere to obtain the nitrogen-doped graphene. The present invention further provides a method of producing a composite heat dispatching plate coated with nitrogen-doped graphene film, comprising: mixing a nitrogen-doped graphene obtained aforementioned with a polymer bonding agent to form a mixture slurry, coating the mixture slurry onto at least one surface of a metal substrate to form a composite material, drying the composite material, and obtaining the composite heat dispatching plate with a film of nitrogen-doped graphene. Structural defects of graphene lattices are reduced during doping process so that crystallinity and thermal conductivity are improved. Methods of the present invention may be conducted under normal pressure using commercially available solid-state nitrogen sources without adding polluting solvents to provide a safe, stable and cost effective preparation of composite heat dispatching material.

The invention relates to a composite modified hydration heat regulation material. Starch is firstly reacted with an acid catalyst and a crosslinking agent, and then a product is reacted with alkenyl succinic anhydride to obtain the composite modified hydration heat regulation material, wherein the amount of the acid catalyst is 5 to 25 % of the mass of the starch, the amount of the crosslinking agent is 1 to 5% of the mass of the starch, and the amount of the alkenyl succinic anhydride is 10 to 30% of the mass of the starch. The invention also provides a preparation method and application of the hydration heat regulation material. The regulation material is prepared by a starch crosslinking reaction, and has a spatial network structure, and high resistance to acid and alkali and high shear resistance, the peak value of the hydration heat release rate can be effectively reduced, and the compressive strength of concrete is improved; meanwhile, by introducing a polar acetyl functional group, the polarity characteristic of the hydration heat regulation material is improved, the number of intermolecular hydrogen bonds is reduced, and the freeze-thaw property of the material is improved; and the modified hydration heat regulation material has the advantages of reducing the surface tension of a cement pore solution, generating independent closed bubbles, also playing an air entraining role of a three-dimensional network structure, improving the freeze-thaw property of concrete, and being favorable for the practical application of the hydration heat regulation material.

One exemplary embodiment of this invention provides a single-effect absorption chiller including an absorber operatively connected to a solution heat exchanger and a generator, and a condenser in fluid communication with the absorber, wherein the absorber is sized and configured to receive a feed of water from a source of water and to transfer heat to the feed of water and then to convey the feed of water to the condenser without further heat conditioning of the feed of water prior to its entry into the condenser, and wherein the condenser is sized and configured to receive the feed of water from the absorber and to transfer heat to the feed of water, thereby cooling the condenser without resorting to an external heat exchanger such as a conventional cooling tower.

The invention discloses a method for preventing a waste heat recovery device from flue gas dew point corrosion, which aims to solve the problem that the prior method has a danger of making the waste heat recovery device produce the flue gas dew point corrosion. The method comprises the following steps: A, an acid dew point measurement instrument (1) is used to measure a flue gas acid dew point temperature Tm at a flue gas outlet of the waste heat recovery device and transmits the Tm to a comparator (3), and a wall surface temperature transmitter (2) is used to measure a flue gas side wall surface temperature Tgm of a heat transfer element close to the flue gas outlet, and also transmits the Tgm to the comparator; B, the comparator adds the Tm by minimum excess temperature difference dTmin (5-10 DEG C), compares the sum of the Tm and the minimum excess temperature difference dTmin (5-10 DEG C) with the Tgm to obtain regulation temperature difference delta Tgm, and transmits the delta Tgm to a temperature regulator (4); and C, the temperature regulator produces and outputs a heat exchange amount adjustment signal, controls a heat exchange amount adjustment device to actuate, and regulates the heat exchange amount of the waste heat recovery device to ensure that the Tgm is 5 to 10 DEG C higher than the Tm, therefore, the flue gas dew point corrosion is avoided.

An electric power supply system capable of maintaining stable power generation or the like regardless of variation in the amount of fuel gas being supplied and variation in the gas calorie, comprises a gas engine, a gas turbine, a suction device configured to collect the generating gas, a gas separating device configured to classify the gas collected according to the calorie, a gas calorie adjusting device configured to mix gases having different calories which are supplied from the gas separating device to adjust gas calorie before supplying to the gas engine and the gas turbine, a gas amount balance monitor device configured to monitor balance between the amount of gas being consumed by the gas turbine and the gas engine in operation and the amount of gas being supplied from the gas calorie adjusting device, and a system control device configured to control operation of the gas engine, operation of the gas turbine, and operation of the gas calorie adjusting device.