2690results about "Air heaters" patented technology

Electric heat for generating smoke from tobacco or the like in a hookah type smoking pipe. Electric heat is obtained from an electrically powered heating element which may be placed proximate the tobacco. The heating element may be contained within a housing which in turn may be placed above the smoking chamber of the hookah. The housing may have adjustably damped holes disposed to pass air over the heating element. Electrical circuitry serving the heating element may comprise a step down transformer and a voltage adjusting switch. The heating element may be integral with the hookah, may take the form of a separate component which is mountable over the smoking chamber of the hookah, or may comprise a free standing assembly which may be placed to stand adjacent to the hookah.

The invention discloses a water heater and a control method thereof, and relates to the technical field of water heaters. The condensing heat exchanger has a water collecting cavity; the atomization module is arranged in the water collecting cavity; the water path switching assembly is arranged among the water inlet main pipe, the main heat exchanger and the condensing heat exchanger, has a first working mode and a second working mode, and is used for sequentially communicating the water inlet main pipe, the condensing heat exchanger and the main heat exchanger to form a first flow path in the first working mode; in the second working mode, the water inlet header pipe communicates with the main heat exchanger to form a second flow path, and the water inlet end and / or the water outlet end of the condensation heat exchanger are / is disconnected from the second flow path; according to the condensation gas water heater, condensed water is discharged along with flue gas after being atomized, meanwhile, the water inlet path is switched through the water path switching assembly, and the problems that in the efficient flue gas waste heat recovery process of an existing condensation gas water heater, the condensed water generated is inconvenient to discharge, a pipeline is prone to being corroded, or frequent manual intervention is needed can be solved.

According to an aspect of the present invention, a space heater having wireless charging capability, comprising: a space heater frame; a heating element; a power source; a wireless charging dock positioned within the space heater frame; a remote control; and a rechargeable battery positioned within the remote control, wherein the wireless charging dock is configured to charge the internal rechargeable battery positioned within the remote control.

A mobile heater adapted to heat air from the environment and to supply the heated air into a cabin like a recreational vehicle or a tent, the heater comprises a housing, a supply air inlet arranged at a side of the housing, a supply air outlet arranged at another side of the housing, a supply air channel inside the housing extending the between the supply air inlet and the supply outlet, means for generating a supply air flow inside the supply air channel from the supply air inlet to the supply air outlet, and flexible supply air hose that can be removably coupled to the supply air outlet and by means of which the heated air can be led inside the cabin, the heater further comprises a burner chamber inside the housing, wherein the supply air channel passes through the burner chamber, a burner arranged inside the burner chamber, a heat exchanger arranged inside the burner chamber and being designed as a tube section that forms at least a section of the supply air channel, a control unit and a user interface , wherein the burner extends below and along a vertical projection of the heat exchanger, and the heat exchanger has a plurality of firstlamellas and second lamellas, wherein the first lamellas extend from the outer surface of the tube section inside the burner chamber and parallel to a vertical plane, and the second lamellas extend from the inner surface of the tube section inside the supply air channel and along the direction of the supply air flow.

The utility model discloses a condensation heat exchanger and a condensation type gas water heater, the condensation heat exchanger comprises a box body provided with a smoke inlet and a smoke outlet, a baffle plate is arranged in the box body, the baffle plate divides an inner cavity of the box body into a smoke inlet flow channel communicated with the smoke inlet and a smoke outlet flow channel communicated with the smoke outlet, and the smoke inlet flow channel is communicated with the smoke outlet. A water collecting cavity for communicating the smoke inlet flow channel with the smoke exhaust flow channel is also arranged in the box body; the condensation heat exchange pipe is arranged in the smoke inlet flow channel and is separated from the smoke exhaust flow channel through the baffle plate, and the water collecting cavity is used for collecting condensate water generated by the condensation heat exchange pipe; and the atomization module is arranged in the box body, and the atomization module is used for atomizing the condensate water in the water collecting cavity. According to the technical scheme, condensate water can be drained without being externally connected with a drain pipe, and when the condensate water pipe is applied to the condensation type gas water heater, the installation convenience of the condensation type gas water heater and the appearance integrity of the whole machine can be improved.

The invention relates to the technical field of hot blast stoves, and discloses a premixing type gas hot blast stove which comprises a machining table, an automatic feeding mechanism, a flow adjusting mechanism and a waste heat recycling mechanism. Mounting frames are fixedly arranged on the top of the left side of the machining table, the automatic feeding mechanism is arranged in the mounting frames, and reinforcing ribs are fixedly arranged between the bottoms of the adjacent mounting frames. According to the premixing type fuel gas hot blast stove, stable and automatic feeding of fuel can be achieved through the automatic feeding mechanism, scalding caused by manual feeding is avoided, meanwhile, the fuel can be stirred and mixed, incomplete combustion of the fuel is avoided, and the burning efficiency is improved. The automatic feeding mechanism operates to drive the flow adjusting mechanism to conduct self-adaptive adjustment on the input air flow, so that the proportion of fuel and air is kept optimal, the combustion effect is improved, heat generated after combustion can be fully recycled through the waste heat recycling mechanism, and the utilization efficiency is improved.

Provided is a heat gun formed by wave-type heating bodies. The heat gun includes a housing assembly and a heating assembly mounted in the housing assembly, where an air supply assembly is fixedly mounted in the housing assembly. The heating wire is wound into a wave-type structure by dedicated equipment. Compared with a traditional slingshot-wire-type structure, the wave-type structure is capable of resisting deformation of the heating wire at a high temperature and in a process from a high temperature to a normal temperature such that defects caused by thermal expansion and contraction when the heating wire operates or stops can be avoided. After the wave-type structure of the heating wire is wound around a mica plate, a direction of the wave-type structure is exactly perpendicular to a direction of an air channel such that wind generated by a fan behind can blow out heat with maximum efficiency.

An air heating apparatus according to the present disclosure includes an expansion tank, a water heater that receives heat from a combustion gas generated by a combustion reaction and heats the water, a heating heat exchanger that receives the water heated by the water heater and exchanges heat with air to be discharged for heating, a fan that blows the air to the heating heat exchanger, and a case in which the expansion tank, the water heater, the heating heat exchanger, and the fan are arranged, wherein the case includes an outer case and a first opening cover that is coupled to the outer case, the first opening cover includes a communication part and a water replenishment cover, and when the water replenishment cover is removed, an operation of at least one of the expansion tank, the water heater, the heating heat exchanger, and the fan is stopped.

A system (100) for roasting coffee particles is described, comprising: a combustion chamber (1) capable of heating air; a rotating drum (3) for roasting coffee particles; a first connecting duct (4) between the combustion chamber (1) and the rotating drum (3) for allowing hot air to travel from the combustion chamber (1) to the rotating drum (3) along a feed direction (V); a decanting cyclone separator (8) connected to the rotating drum (3) by a second duct (9) to receive a hot air flow mixed with air and / or solid impurities from the rotating drum (3) and formed during roasting; the system (100) also includes a tubular body (10) having two channels (11, 12) positioned on the first connecting duct (4) between the combustion chamber (1) and the rotating drum (3); the tubular body (10) is equipped with a first valve (13) and a second valve (14) to change the temperature of the mixed air flow entering the rotating drum (3).

Provided is a heater element with which it is possible to widen the area in the direction in which a flow path, which can be effectively heated, extends. The heater element has a honeycomb structure and satisfies either condition (i) or (ii) below: (i) a first electrode is provided on one end face, and a second electrode has an electrode portion A provided on another end face of the honeycomb structure and an electrode portion B that is connected to the electrode portion A and provided on the surface of a partition over a predetermined length in the direction in which a flow path extends from the other end face; and (ii) a first electrode has an electrode portion A provided on one end face and an electrode portion B that is connected to the electrode portion A and provided on the surface of a partition over a predetermined length in the direction in which a flow path extends from the one end face, and a second electrode has an electrode portion A provided on another end face and an electrode portion B that is connected to the electrode portion A and provided on the surface of the partition over a predetermined length in the direction in which the flow path extends from the other end face.

The utility model provides a high-enthalpy pure air heating device which is used for solving the technical problem that according to an existing heating mode, the attributes of incoming flow air and real air are different. The heating device comprises a gas inlet unit, a heating unit and a gas collecting unit, the air inlet unit is connected with the heating unit; the heating unit comprises a shell, and a heat transfer chamber and a combustion chamber which are arranged in the shell; the heat transfer chamber is coaxially installed in the shell, the radial section of the heat transfer chamber is of a circular ring structure, and the combustion chamber is axially installed in the center of the circular ring structure. A plurality of radial channels and axial channels which are mutually independent are arranged in the heat transfer chamber; the two ends of each radial channel communicate with the combustion chamber and the residual gas outlet correspondingly, and the radial channels are used for conveying high-temperature gas. The two ends of each axial channel communicate with the air inlet and the air outlet correspondingly, and the axial channels are used for conveying incoming flow air. And the gas collection unit is used for collecting the high-enthalpy air and transmitting the high-enthalpy air to external test equipment. The device is high in heating speed, and pure high-enthalpy air can be obtained.

An electric heater to heat a flow of a fluid having a jacket block comprising a plurality of longitudinal bores to allow the through-flow of a gas phase medium. An elongate heating element extends through each of the bores and is positionally stabilised within the jacket block via a plurality of stabilising fins that project radially inward to at least partially surround the elongate heating element within each of the bores.

The air blowing head of the air heater comprises an air head part, the air head part is provided with a heating groove, the cross section of the heating groove is non-circular, an air channel is formed in the air head part, and air outlet holes are distributed in the inner wall of the heating groove and used for guiding hot air in the air channel into the heating groove and heating a workpiece. A feeding hole is formed in one side of the air head part, the feeding hole is communicated with the heating groove and is used for introducing a to-be-heated workpiece into the heating groove, the width of the feeding hole is smaller than that of the heating groove, and the air outlet hole close to one side of the feeding hole is configured to face the inner side of the heating groove. Through the arrangement of the non-circular heating grooves and the optimized air outlet holes, hot air escape is effectively reduced, the heating efficiency and uniformity are improved, meanwhile, it is ensured that workpieces are rapidly preheated, and heat loss is reduced.

The invention relates to a sauna heater and a sauna+bio-danarium combination heater. An evaporator-batch column 10 for liquid 30 is arranged in the oven. The advantageous invention is suitable for wall and floor models, as well as for "stone column tower" oven models, etc., also for taller and larger oven models, with the novel "Löyly tub bowl" 13 for energy-saving infusions and Löyly infusions in its variations and bath forms. This energy-saving new development with the "multi-path air control" and the "anti-virus corona pandemic" block system 26 is also perfectly suited against infectious aerosols and mutants and also in splash water at ground level. With current technology, the sauna and sauna+bio-danarium combination can be operated via an "app" from a smartphone or tablet, also via touchscreen. Experience and development from several innovations over 55 years in the sauna+ sauna+danarium wellness area.

The invention discloses thickener slurry concentration monitoring equipment and a using method thereof.The thickener slurry concentration monitoring equipment comprises a monitoring box and a monitoring unit, a lifting table is slidably connected to the inner wall of the monitoring box, the monitoring unit and a cleaning assembly are installed at the bottom of the lifting table, and the cleaning assembly comprises a circular ring hanging bracket connected to the bottom of the lifting table; the outer wall of the circular ring hanging bracket is sleeved with a hanging ring, a hollow sector plate is installed at the bottom of the hanging ring, and a cleaning nozzle is installed on the inner wall of the hollow sector plate. By arranging the cleaning assembly, the hollow fan plate drives the cleaning nozzle to rotate and sprays cleaning liquid to wash and clean the monitoring unit, when the hollow fan plate rotates till the cleaning nozzle faces the inner wall of the monitoring box, the interior of the monitoring box is washed and cleaned, and the hollow fan plate with the adjustable position is arranged, so that the cleaning efficiency is improved. The cleaning effect of the interior of the monitoring box is improved, the situation that the slurry adheres to the outer wall of the monitoring unit and the inner wall of the monitoring box to affect next use of the monitoring equipment is avoided, and the concentration monitoring accuracy of the monitoring equipment is improved.

The invention relates to the technical field of electric heater preheating, in particular to an electric heater preheating system and method. Wherein the electric heater comprises a shell, an electric heating tube and a junction box; the preheating device comprises a hot air module, a control module, a pressure sensor, a temperature and humidity sensor and a switch valve. The hot air module comprises a draught fan, a heating piece and a connecting air pipe, and the connecting air pipe is connected with the first pipe opening so that hot air generated by the hot air module can be input into the shell through the first pipe opening. The second pipe orifice is used for discharging air, the pressure sensor and the temperature and humidity sensor are arranged at the second pipe orifice to detect a pressure value, a temperature value and a humidity value, and the switch valve is arranged at the second pipe orifice to adjust the opening and closing and / or the opening degree of the second pipe orifice. When the electric heater is in a shutdown state, the external preheating device is connected with the electric heater to form a preheating system, energy of a molten salt system does not need to be depended on, non-internal circulation air is utilized, and preheating and moisture removal of the electric heater are achieved.

The invention discloses an automatic combustion control method and system for a slag pulverizer hot blast stove. The method comprises the following steps: acquiring operation parameters of a hot-blast stove and a slag pulverizer; selecting one of a furnace temperature control mode and a flow control mode for execution according to the production stage; the total target gas flow is calculated in the selected mode, wherein the flow control mode is subjected to prospective adjustment according to a linkage rule base of mill operation parameters; the air-fuel ratio is corrected based on double feedback of coal gas components and flue gas residual oxygen; and finally, distributing the target flow to a plurality of burners and executing combustion. Through dual-mode switching and intelligent linkage with the mill, conversion from reaction type control to predictive type control is achieved, thermal lag is effectively overcome, combustion efficiency is ensured through dynamic air-fuel ratio correction, and the energy utilization rate, operation stability and automation level of the system are remarkably improved.

A hot air gun, relating to the field of power guns, includes a housing, heating assembly, and airflow generation assembly, the heating and airflow generation assemblies are in the housing, the airflow generation assembly being behind the heating assembly, the airflow generation assembly includes a fan wheel and electric motor driving the fan wheel, an air inlet at the housing rear portion; the hot air gun includes a screen filter mounted on the housing and covering the air inlet and includes several filter apertures distributed at intervals, the filter aperture being smaller than the air inlet. The screen filter filters the air accessing the inside of the housing, preventing foreign objects from accessing, with the air, the inside of a gun body through the air inlet of a larger aperture size, thereby ensuring use safety of the gun body and service life of the electric motor.

The fan heater with the humidifying function comprises an atomizing and humidifying device, the atomizing and humidifying device is provided with a water mist generating structure and a mist outlet structure capable of guiding and sending out water mist generated by the water mist generating structure, and the mist outlet structure comprises an air guide cover plate. A cover plate outlet communicated with a target humidifying space is formed in the air guide cover plate, a mist outlet control piece is arranged in the cover plate outlet, at least two mist outlets are formed in the mist outlet control piece, and the through-flow areas of the mist outlets are different. And the mist outlet control piece can be controlled to move, so that one of the mist outlets communicates the cover plate outlet with the target humidifying space, and the remaining mist outlets do not communicate with the target humidifying space. According to the warm air blower with the humidifying function, the personalized requirements of users are met, and meanwhile, the using scenes of the warm air blower with the humidifying function can be enriched by adjusting and improving the humidifying effect of the warm air blower through different mist outlet heights and mist outlet ranges.

The present invention relates to a heat exchanger assembly and a water heater comprising same, wherein the heat exchanger assembly comprises a heat exchanger unit provided with an inlet for introducing a fluid and an outlet for discharging the fluid, and the heat exchanger unit may comprise: a first plate; a second plate disposed on one surface side of the first plate to define, together with the first plate, an internal space in which the fluid introduced through the inlet moves toward the outlet; a heat generation member coupled to at least one of the first plate and the second plate and provided to provide heat into the internal space; and a guide part disposed in the internal space and provided to guide the fluid introduced through the inlet toward one plate, to which the heat generation member is coupled, of the first plate and the second plate.

The utility model belongs to the technical field of hot air guns, and particularly relates to a hot air gun fixing device which comprises a base, a rotating device is arranged on the outer surface of the base and comprises a rotating frame, and the angle of a hot air gun is adjusted through rotation of the rotating frame. The fixing frame and the supporting rod are fixedly installed, the fixing frame and the fixing motor are fixedly installed, an output shaft of the fixing motor and the telescopic gear are fixedly installed and drive the telescopic gear to rotate, the telescopic gear rotates to drive the fixing frame in sliding insertion connection with the telescopic gear to rotate, and the fixing frame is in sliding sleeving connection with the inner wall of a groove of the fixing frame and limits the fixing frame. The technical problems that when the hot air gun is used, the hot air gun is fixed only through a fixing opening, the hot air gun cannot adapt to hot air guns of different models, and the position of the hot air gun is likely to be unstable when the hot air gun works are solved.

The utility model discloses a conduction oil boiler which comprises a heat exchange assembly and a heating assembly, the heat exchange assembly comprises a first oil supply pipe, a second oil supply pipe, a first heat exchanger and a second heat exchanger, the first oil supply pipe is connected with the first heat exchanger, and the second oil supply pipe is connected with the second heat exchanger. The heating assembly comprises a combustor and a waste gas pipe, the combustor generates heat through combustion and is connected with the first heat exchanger, and the waste gas pipe leads out waste gas generated by the combustor and is connected with the second heat exchanger. Heat generated by the combustor is transferred to heat conduction oil in the first oil supply pipe through the first heat exchanger, heat of smoke in the waste gas pipe is transferred to heat conduction oil in the second oil supply pipe through the second heat exchanger, and therefore the heat generated by combustion of the combustor can be fully absorbed. The heat-conducting oil boiler provided by the utility model can be used for effectively absorbing heat entrained in flue gas, so that the waste of energy is avoided.

The invention discloses a detector for a superconducting electronic thermosensitive temperature control sensor and a testing method thereof. The detector comprises an operation case, and a heater, a temperature sensor, a graphene superconducting piece, an air blower, an air duct, a heat preservation layer, a partition plate support, a heat dissipation plate, an L-shaped supporting plate and the electronic thermosensitive temperature control sensor are arranged in the operation case. A temperature controller is arranged on the left portion of a front shell of the operation case, a constant-temperature switch button, a heating switch button and a blast switch button are arranged below the temperature controller, and an ohm display screen is arranged above the temperature controller. According to the invention, a detection technology of a high-precision superconducting electronic thermosensitive temperature control sensor is combined, a series of test and calibration functional devices are adopted, the test quality of the temperature control sensor is improved, the electronic thermosensitive temperature control sensor can provide more accurate and reliable results in various environments after test, the demand of comparison test is reduced, the time is saved, and the test efficiency is improved. And interference on enterprise operation is reduced, so that unnecessary economic pressure is relieved.

The embodiment of the invention provides an air inlet blockage detection method and device, electronic equipment and a storage medium, and the method comprises the steps: detecting the working current of a motor and the temperature of an air outlet during the operation period of the equipment; determining a temperature change parameter based on the air outlet temperature; and based on the motor working current and the temperature change parameter, outputting blockage state information. According to the embodiment of the invention, the blockage state of the air inlet can be timely and accurately detected, and the reliability and safety of equipment are improved.

Systems and methods for establishing a warmed potable water flow from an aircraft potable water supply with an ambient temperature absorbs and scavenges waste heat from an air chiller condenser exhaust of an air chiller circuit at a heat exchanger to pre-warm a potable water flow delivered to an aircraft galley appliance water heater, and to increase appliance water heating efficiency and to conserve electrical power for running aircraft galley appliance water heaters.

The invention discloses a full-premixing combustion device and a condensation type gas water heater, and the combustion device comprises a premixing cavity which is connected with a gas valve and a fan, and in the premixing cavity, gas input by the gas valve and air input by the fan are mixed to obtain mixed gas; the ignition needle is arranged near the combustor, the ignition needle is used for igniting the mixed gas, and the combustor is used for guiding high-temperature gas flow generated by combustion to radiate to the surrounding; the detection sensor is used for detecting the combustion state of the mixed gas at the combustor; and the controller is used for adjusting the flow of the fuel gas and the air in the premixing cavity based on a detection result of the detection sensor, so that the combustion state of the mixed fuel gas meets a preset condition. According to the combustion device, the air-fuel ratio of the mixed gas can be accurately controlled according to the actual combustion requirement, and therefore the smoke exhaust heat loss is reduced. Meanwhile, the closed-loop control can inhibit the formation of a local high-temperature area, effectively reduce the NOx emission and meet the ultralow emission standard.

The utility model relates to the technical field of pressure transmitters, and provides a pressure transmitter capable of preventing blockage of detection substances, which comprises a pressure transmitter main body, a pressure sensor outer tube is arranged at the bottom of the pressure transmitter main body, and a pressure leading hole is formed in the center of the bottom of the pressure sensor outer tube. A guide block is welded to the bottom of the inner wall of the pressure sensor outer pipe. According to the pressure transmitter capable of preventing blockage of the detection substances, the pneumatic push rod pushes the motor to move downwards, the brush head can scrape the second filter screen under the driving of the motor, the spring can be contracted along with continuous pushing of the pneumatic push rod, bristles of the brush head penetrate through the second filter screen to be in contact with the first filter screen, and falling impurities can be cleaned under the guide of the guide block; and the impurities in the detection medium are discharged from the pressure guide hole again, and the impurities on the first filter screen and the second filter screen can be sucked by using the suction component, so that the impurities in the detection medium can be cleaned after entering the pressure transmitter, blockage is prevented, and normal use of equipment is guaranteed.

The invention discloses an integrated cooker head device with flow control noise reduction and self-cleaning functions and an integrated cooker, the integrated cooker head device comprises an integrated cooker head shell, the integrated cooker head shell comprises a front baffle, a side plate, a rear baffle and a top plate, and the front baffle, the side plate and the rear baffle jointly form a head air suction channel; an oil filter screen is arranged between the front baffle and the rear baffle, a temperature sensor is arranged on the top of the rear baffle, and a flow guide plate assembly is arranged on the inner side of the front baffle and used for optimizing and guiding a lampblack flow channel and achieving the self-cleaning function. By parameterizing the structure and position of the flow guide plate and optimizing different structures and positions of the flow guide plate according to the flow optimization theory, the novel noise reduction head design method for the integrated cooker is provided, the head of the integrated cooker is cleaned through the self-heating movable flow guide plate, and the whole is cleaned through hot air conveyed by the fan system; the trouble of repeated disassembly and washing is avoided, and the user experience is improved.

The utility model discloses a tea withering machine, which belongs to the field of tea processing, and comprises a trough body and a mesh plate installed in the trough body, wherein a main pipeline extending along the axial direction thereof is installed in the trough body, and a plurality of branch pipelines are connected to the main pipeline, and the plurality of branch pipelines are arranged at intervals along the axial direction of the trough body; a plurality of air outlet holes facing the mesh plate are evenly opened on the branch pipeline; a blower is arranged on one side of the trough body, and the air outlet pipe of the blower is connected to the main pipeline, and an electric heating wire is also installed in the air outlet pipe of the blower. The utility model can make the hot air volume acting on the mesh plate basically consistent, so that the withering of the tea leaves is more uniform, and the quality of the tea leaves is guaranteed.

The present invention provides a skid-mounted device and method for generating electricity using the pressure differential of high-pressure natural gas in oil and gas fields. The device relates to natural gas gathering and transportation technology. The device includes a thermometer for detecting the temperature of the high-pressure natural gas at the wellhead, an expansion generator connected to the rear end of the thermometer, and a heat exchange tube assembly located within a heating furnace. The pipeline between the thermometer and the expansion generator is provided with valves a located at the rear end of the thermometer and valve c located at the front end of the expansion generator. The rear end of the expansion generator is connected to a pressure-reducing natural gas transmission pipeline b and an external power transmission cable. Valve b is provided on the pipeline between the thermometer and the inlet end of the heat exchange tube assembly. The outlet end of the heat exchange tube assembly is connected to the pipeline behind valve a. The pipeline between valves a and c is connected to a pressure-reducing natural gas transmission pipeline a. Valve d and a pressure regulating valve are provided on the pressure-reducing natural gas transmission pipeline a. The present invention can reduce the pressure of high-pressure natural gas and fully recover the pressure energy of the high-pressure natural gas.