1485 results about "Direct heating" patented technology

The invention discloses a method for recovering the waste heat of a thermal power plant and heating and supplying heat to hot water in a stepping way. In the method, low-temperature heat-net return water is firstly mixed with circulating cooling water positioned on an outlet of a cooling condenser or exchanges heat with the circulating cooling water positioned on the outlet of the cooling condenser to be increased in temperature and then sequentially delivered into an each-step vapour absorption type heat pump and a vapor-water heat exchanger in a series connection way to be gradually heated to be increased in temperature to heat supplying temperature and finally discharged through a water supplying pipeline; the circulating cooling water absorbs the waste steam condensation heat of a steam turbine in the cooling condenser, then one path of the circulating cooling water is directly mixed with the low-temperature heat-net return water or heats the low-temperature heat-net return water through the heat changer, the other path of the circulating cooling water is delivered into an each-step absorption type heat pump unit to be used as a low-order heat source of the absorption type heat pump unit, and the redundant heat of the circulating cooling water is discharged to the environment through a cooling tower. The invention uses the steam extraction of the steam turbine as a driving heat source of the absorption type heat pump so that the low-temperature heat-net return water is heated in a stepping way, thereby reducing the effective energy loss; the waste heat of the discharged steam of the steam turbine is sufficiently recovered in a direct heating way and an absorption type heat pump temperature increasing heating way, therefore, the comprehensive energy usage efficiency of the thermal power plant is enhanced.

The present invention provides an organic Rankine cycle power system, which comprises means for superheating vaporized organic motive fluid, an organic turbine module coupled to a generator, and a first pipe through which superheated organic motive fluid is supplied to the turbine, wherein the superheating means is a set of coils through which the vaporized organic motive fluid flows and which is in direct heat exchanger relation with waste heat gases.

A vehicle air-conditioning system includes electric heating devices to accelerate a rise in temperature of air for heating a passenger compartment by accelerating a rise in temperature of warm water used to heat the air and by directly heating the air. Electric heating devices are built into a heat exchanger for heating so that the devices can release heat into surrounding air through radiating fins. When the system is in a heating operation region and the temperature of warm water available to flow through the heat exchanger is below a set temperature T2, the electric heating devices are turned on. A blower for blowing heating air into a passenger compartment through the heat exchanger is stopped, and a warm water valve is opened to allow the warm water to flow through the heat exchanger, whereupon heat from the electric heating devices is released through the radiating fins into the warm water inside the heat exchanger. When the temperature of the warm water rises above the set temperature T2, the blower is started, and heat from the electric heating devices is released through the radiating fins into the air blown by the blower.

The container has a specific construction for low weight with low thermal loss by combining the use of certain polymer insulation with the use of air space between internal structures. The container contains a single or multiple heaters or coolers that can be integrated as a single heating and cooling element, and either integrated into a single container, or in separate containers. The heating or cooling is accomplished by attaching to an internal thermal conducting, e.g. metal, structure either heating or cooling thermal conducting elements or internal thermal heat exchangers with a fan that circulates air over the thermal heat exchanger and heats or cools the air directly. An intelligent power management electronic controls management system is used to result in food delivery containers suitable for power, limited lower capacity vehicles such as motorcycles or scooters. The present invention provides the power for these hot and cold boxes by either modifying the existing alternator to increase the power available from a limited power low capacity motorcycle or similar vehicle or relying on one or more auxiliary alternators added to and driven by the limited power and low capacity vehicle. Further, an additional heat source can be used from the engine or exhaust and the heat can be transferred to the heated container by liquid, gas, or thermal conduction means, to reduce the electrical energy required for limited power low capacity vehicles.

The invention discloses a multifunctional pot. The pot includes a housing, a heating element heat conduction disk and a pot body, a liner is arranged in the housing, and the upper end of the housing is connected with the upper end of the liner; the heating element heat conduction disk is arranged in the liner, the height of the heating element heat conduction disk is lower than the depth of the liner, a bottom heating element is arranged at the outer bottom of the heating element heat conduction disk, an annular heating element is arranged on the outer side wall of the heating element heat conduction disk, and the bottom heating element and the annular heating element are in series connection and are electrically connected to a working circuit of the multifunctional pot; the pot body is arranged on the heating element heat conduction disk, the inner wall of the heating element heat conduction disk is in contact with the outer wall of the pot body, and the height of the pot body is larger than the depth of the heating element heat conduction disk. The heating element heat conduction disk of the multifunctional pot directly heats the pot body evenly, the inner wall of the heating element heat conduction disk can be in close contact with the outer wall of the pot body, hence, most of heat can be transmitted to the pot body, the liner can effectively keep the heating element from transmitting heat to the outside world, the heat loss is small, and the energy utilization rate is high.

The present invention provides antifuse structures having an integrated heating element and methods of programming the same, the antifuse structures comprising first and second conductors and a dielectric layer formed between the conductors, where one or both of the conductors functions as both a conventional antifuse conductor and as a heating element for directly heating the antifuse dielectric layer during programming.

The invention relates to a stripping ammonia-removing method based on flash evaporation and heat pump technologies. The method comprises the following steps of: absorbing steam which is obtained after stripping ammonia removal and rich in ammonia nitrogen with an absorption column, pressurizing the purified steam with a heat pump set for recycling, carrying out flash evaporation on wastewater subjected to ammonia-removing process with a vacuum flash evaporation set composed of a Venturi and a liquid ring vacuum pump, and directly heating for pretreating wastewater with high ammonia nitrogen content. Compared with the traditional process with high ammonia-removing steam consumption and high operation cost, the method disclosed by the invention has prominent effects in energy saving and consumption reducing, and has broad market application prospect and high application potential in the treatment of wastewater containing ammonia nitrogen.

The invention relates to the technical field of textile, in particular to a cloth drying device. The cloth drying device comprises a first cylinder and a second cylinder with the sections being in circular shapes; the second cylinder is arranged inside the first cylinder; a sealed hot gas interlayer is formed between the internal wall of the first cylinder and the external wall of the second cylinder; a heat sending through hole which is communicated with the hot gas interlayer is formed in the first cylinder; a plurality of hot air through holes which are communicated with the hot air interlayer are formed in the second cylinder. According to the cloth drying device, the space required to be heated is reduced and energy is saved due to the circular internal chamber; damage of cloth tissues is avoided and the cloth quality is guaranteed due to the facts that externally arranged hot air is conveyed to the hot air interlayer and is diffused to the internal chamber of the second cylinder to dry and heat cloth passing through the internal chamber of the second cylinder, and direct heating of the cloth through an electric heater is avoided.

The present invention provides devices for glass melt devlivery and methods for using these devices. In these devices, a delivery nozzle comprising at least one platinum group metal material is directly heated by electricty. To facilitate heating, a cylindrical heating ring is mounted in ceramic base. The device's construction ensures a regulatable heating of the nozzle and the melted glass flux.

The invention discloses a sheet type oxygen sensor and its manufacturing method. It includes heater basal body, reference gas channel body, and zirconium oxide sensing basal body. Insulating layer is set between the former two. And its inner is set many heating bodies. The up and down surfaces of the third are respectively set outer and inner electrodes. The reference gas channel is connected with the space and atmosphere where the inner electrode is set. Heater and oxygen sensing probe are burned together high temperature to be a whole to form direct heating structure. The invention has the advantages of simple structure, small size and quality, saving energy, fast response speed, greatly shortening weighting time, and obvious economic and social benefits.

The invention discloses a composite biological activated carbon and a rapid preparation method thereof, raw materials thereof comprise coconut shell, bamboo, rice hull, sawdust, wheat straw or rice straw, or the raw materials thereof comprise the rice hull, the sawdust, the wheat straw or the rice straw, corn stalk or corn core, the raw materials are smashed to prepare columnar granules, the direct heating method of the spontaneous combustion type granules is adopted for preparing the carbon, a fixed layer is paved at the bottom of a furnace by taking the granules as the raw materials, the fixed layer is ignited by using ignition materials, the feeding is adopted at the upper part of the furnace and the air induction is carried out at the lower part of the furnace for accelerating carbonization of the granules, the air induction is stopped after the carbonization of the granules, the temperature in the furnace is kept at 430-700 DEG C, the spray cooling method is adopted for activatingand cooling the granular carbon, and a finished product is prepared after 20-30 minutes. A plurality of raw materials are mixed, and more pores are naturally formed, thereby expanding the specific surface area of the carbon, greatly increasing effective micropores, leading the absorption performance to be greatly better than the existing activated carbon of single material and reflecting the unique advantages of the composite material.

The invention relates to a carbonization process of high volatile coal, a direct heating process that heats and distills high volatile coal by using high temperature cycle gas in a shaft furnace as a carrier. Lump coal that moves up and down in the shaft furnace is heated by rising hot gas and the discharged volatiles form char; the char is cooled by cold gas that is introduced by the furnace bottom from the lower part of a furnace and then discharged outside the furnace; the rising gas is introduced outside finally by the furnace top, washed, purified and cooled; one part is taken as a cycle cooling medium, one part is taken as a cycle heat carrier after being per-heated and the rest is taken as a gas external supply and the calorific value is equal to that of a coke oven gas.

A grilling device includes an oven section and a warming cabinet in thermal communication with the oven section. The oven section is directly heated by a heating mechanism, but the warming cabinet is heated indirectly by heat transferred from the oven section. The warming cabinet is disposed below the oven section such that heat from the oven section is transferred passively via conduction and radiation into the warming cabinet and is transferred actively via forced air convection as an air moving element forces air past an optional heat sink and / or other heating component(s) and into the warming cabinet. The air moving element also provides air to ignite and maintain a burning fuel source of the heating mechanism. The grill can include a utility shelf disposed below the warming cabinet, the space between the utility shelf and the bottom of the warming cabinet defining a utility space.

Drill cuttings associated with drilling fluid are thermally cleaned. The wet cuttings are fed into a vessel chamber having mechanical mixers, such as ribbon blenders, extending lengthwise of the chamber. Direct heating is applied to the chamber contents by introducing hot combustion gas from a heater. A combination of direct heating and mechanical back mixing of wet colder cuttings with drier hotter cuttings results in conditioning and conduction heating of the wet cuttings. The drilling fluid is evaporated and removed as gas. Dried cuttings are separately recovered. Caking and agglomeration of the solids is reduced.

A heat management system is capable of managing unlimited hydronic heat sources and unlimited heating zones, each located within a desired area and each controlled by temperature sensors. The system uses plural system heating sources to heat a heating solution (preferable glycol-based) that is either heated directly or through a liquid-to-liquid heat exchanger. The heating solution is passed through various plumbing configurations to heat domestic water for users and to heat zones or areas in which user will live. The heat management system of the invention may be used for several applications including RV, marine and home hot water and heating applications.

The invention relates to HB500 grade hot continuous rolling high strength wear-resisting steel which comprises the components in percentage: 0.21-0.30% of C, less than or equal to 0.20% of Si, 0.8-1.60% of Mn, less than or equal to 0.015% of P, less than or equal to 0.005% of S, 0.10-0.40% of Mo, 0.050-0.20% of Ti, 0.0005-0.0030% of B and less than or equal to 0.0050% of N, wherein the condition is met that Ti / N is greater than or equal to 10, and Mo / Ti is greater than or equal to 2. The preparation method comprises the following steps: smelting and continuously casting to blanks; directly heating the blanks; continuously rolling; batching; finishing and cutting; heating and insulating by a thermal treatment furnace; quenching by a roller type quenching machine; performing water cooling to reach room temperature; and annealing at low temperature and air-cooling to room temperature. According to the invention, the production cost is lower, and the Brinell Hardness of the steel plate after thermal treatment reaches 480-520 and KV2 at minus 40 DEG C is greater than or equal to 30J. The steel plate is excellent in shape, and the inequality in the length direction is less than or equal to 13mm / 1000mm. The steel plate is good in cold roll forming performance.

A method of humidifying gases to 100% relative humidity and a humidifier to carry out such a method are provided to humidify gases for fuel cells and for other applications. The humidification of gases is thermally controlled and thermal energy is managed to provide an efficient system. A pre-humidifier accommodates a wide range of flow rates of dry gas to initially humidify and pre-heat the gas, and a boiler provides steam to mix with the effluent from the pre-humidifier to humidify the gas to saturation. A thermal insulator between the boiler and bulk water and / or pre-humidifier enhances the steam generation from the boiler and prevents direct heating of water or gases by heat from the boiler. Above the boiler, bulk water, and pre-humidifier, a mixing chamber further functions as a condenser and water separator. The mixing chamber provides a space for mixing gases and steam and separates saturated gases from condensed water. By vapor condensation during the mixing, the gas can be humidified completely to its dew point at given temperature and pressure conditions.

A fixing device includes a fixing rotary body and a heater for heating the fixing rotary body. An opposed body contacts the fixing rotary body with releasable pressure therebetween to form a fixing nip therebetween through which a recording medium is conveyed. A heat shield is interposed between the heater and the fixing rotary body and movable in a circumferential direction of the fixing rotary body to shield the fixing rotary body from the heater in a variable circumferential direct heating span of the fixing rotary body where the heater is disposed opposite the fixing rotary body directly. A controller is operatively connected to the heater and the heat shield to move the heat shield after the controller turns on the heater as a print job starts so as to change an area of the direct heating span of the fixing rotary body.

The invention belongs to the field of new energy development and application, and particularly relates to a solar energy-ground source heat pump coupled biogas pool heating system and an operational control method thereof. The solar energy-ground source heat pump coupled biogas pool heating system is divided into five operating modes, namely solar energy direct heating, solar energy-ground sourceheat pump series heating, solar energy heat pump heating, individual ground source heat pump heating and solar energy underground heat storage according to the temperature gradient of hot water prepared by a solar heat collector by combining a relation curve of the COP (coefficient of performance) of a heat pump unit and the water inlet temperature of an evaporator. The method remarkably improvesthe heating efficiency of the heat pump unit and the system by fully using low-grade solar energy and ground heat energy, can supply heat to a biogas fermentation pool efficiently and stably for a long term, and has long-term economic and environmental benefits.

The invention relates to a household kitchen utensil fruit and vegetable pesticide residual removal cleaning machine and an intelligent cleaning method. The household kitchen utensil fruit and vegetable pesticide residual removal automatic cleaning machine comprises a main water tank provided with a water inlet pipe and a water drainage pipe; ultrasonic generators are arranged on the outer surface of the bottom of the main water tank or the outer surface of the periphery of the main water tank in a closely-attached mode; an electric heating direct-heating tube and anion balls are arranged in the water inlet pipe; the main water tank is further provided with a water inlet connected with the water inlet pipe and a spray disc connected with a spray pipe; the spray disc is arranged at an opening formed above the main water tank so that the spray disc can spray water into the main water tank from top to bottom; the shape and area of a water outlet surface of the spray disc are matched with those of the opening formed above the main water tank; multiple tiny spray water outlets are evenly formed in the water outlet surface of the spray disc; the machine further comprises an ozone generating device, a control circuit and a control panel. The household kitchen utensil fruit and vegetable pesticide residual removal automatic cleaning machine and the intelligent cleaning method have the functions of dish washing, vegetable washing, disinfection and drying, and the machine is easy, rapid, safe and reliable to operate.

An electrical heater includes plural heating body plates (31) arranged in parallel with each other to define an air passage (32) between adjacent two thereof, a positive electrode member (33) joined to one end side of each heating body plate, and a negative electrode member (34) joined to the other end side of each heating body plate. In the electrical heater, the heating body plates are arranged to directly heat air passing through the air passage when electrical power is supplied to the heating body plates through the electrode members. Accordingly, the electrical heater can effectively heat air with a simple structure.

The invention relates to a heat management system of an electric vehicle, and further provides a novel heat pump air-conditioning system of the vehicle. The heat management system and the novel heat pump air-conditioning system have the advantages that the temperature of a battery pack can be controlled by the aid of phase-change heat exchange technologies; a condenser of a phase-change temperature control system can be replaced with a heat exchanger which is serially connected to the air-conditioning system of the vehicle; a left heat exchange pipeline of the heat exchanger is connected withan evaporator in the air-conditioning system of the vehicle in parallel, and a right heat exchange pipeline of the heat exchanger is serially connected into a temperature regulating system of the battery pack; evaporative cooling working medium steam which is exhausted for regulating the pressures of the heat management system can be collected by the temperature regulating system of the battery pack; warm wind can be provided to a passenger compartment of the electric vehicle by the aid of waste heat of a power system; an energy storage device is further added into the heat management system,and accordingly the waste heat of the power system of the electric vehicle can be stored and reused; the power system of the electric vehicle further can be expanded, accordingly, comprehensive heat management can be carried out on diversified components, and the battery pack can be directly heated by the aid of the waste heat.

A compressed air energy storage (CAES) system encompassing direct heating. The compressed air energy storage system includes a compressor for compressing ambient air, an air storage reservoir, and a thermal energy storage system. The air storage reservoir is adapted to store compressed air from the compressor. The thermal energy storage system is adapted to supply heat to the compressed air energy storage system such that the compressed air is heated to increase work production of the compressed air. The thermal energy storage system is heated using off-peak electricity.

A method and system for producing a casingless sausage product. An emulsion, such as a meat emulsion, is heated by a first heating element, such as conductive element, such as a heat exchanger or a direct heating element, from a first temperature to an initial heating temperature. The initial heating forms a warm emulsion. After the first heating stage, the warmed emulsion is heated again during a second stage with a second heating element from the initial heating temperature to a higher, second heating temperature. Other numbers of heating elements can be utilized as necessary. The second heating element can be a rapid heating element, such as a microwave or radio frequency (RF). The second heating produces a casingless sausage. The casingless sausage is subsequently cooled or chilled to produce the casingless sausage product. The product can be cut to a length and packaged in a container or can.

An image forming apparatus includes a fixing device including a fixing rotary body and a heater for heating the fixing rotary body. An opposed body contacts the fixing rotary body with releasable pressure therebetween to form a fixing nip therebetween through which a recording medium is conveyed. A heat shield is interposed between the heater and the fixing rotary body and movable in a circumferential direction of the fixing rotary body to shield the fixing rotary body from the heater in a variable circumferential direct heating span of the fixing rotary body where the heater is disposed opposite the fixing rotary body directly. A controller halts the heat shield instantly when a fault occurs during a print job.

A magnetocaloric cooling system comprising a solid body or bodies, such as a cylinder or cube, having a plurality of channels extending between a first end and a second end of the cylinder or cube and a magnet at least partially surrounding the cylinder or cube. A metallic mass, such as a rod or plate, is positioned within each channel and slides within a respective channel between two sliding extremities so that in each sliding extremity, a portion of each metallic mass extends beyond an end of the solid body. A motor is used for reciprocating the metallic masses between the sliding extremities and a heat exchange mechanism directs heating or cooling where desired.