43results about "Water heating stoves/ranges" patented technology

The utility model relates to the technical field of frying stoves, in particular to a frying stove with a waste heat recovery function, which comprises a transverse plate and a faucet, a round opening in the upper portion of the outer wall of the transverse plate is fixedly connected with the outer wall of the faucet, the rear end face of the faucet is communicated with a straight pipe, the frying stove is fixedly connected to the bottom of the transverse plate, and stand columns are fixedly connected to four corners of the bottom of the frying stove respectively. The bottom of the stand column is connected with a recovery structure, square blocks are fixedly connected to the left side and the right side of the frying stove correspondingly, and heat is transferred downwards through a copper material of a vertical rod in the recovery structure (the outer wall of the vertical rod leaking between the frying stove and the top of the shell is wrapped with ceramic fibers, so that the heat preservation effect is achieved, and heat is prevented from being diffused at the leaking position of the vertical rod; and the water source is gradually heated by the transferred heat, so that the waste heat of the frying stove is recovered, the normal heating of the water source at the bottom of the water tank is ensured, and the heat recovery of the frying stove for waste heat recovery is increased.

The utility model belongs to the technical field of gas stoves, and particularly discloses a waste heat recovery type gas stove which comprises a shell, a hearth is formed in the shell, a mounting base is arranged at the bottom of the hearth and used for mounting an ignition structure, a partition plate is detachably connected in the hearth, a heat exchange cavity is formed between the partition plate and the shell in a spaced mode, and the heat exchange cavity is communicated with the hearth. A heat exchange pipe is detachably connected in the heat exchange cavity, and a first through hole for the heat exchange pipe to penetrate through is formed in the shell; the top of the mounting base is provided with a flue communicating with the heat exchange cavity, and the shell is provided with a smoke outlet communicating with the flue. The heat exchange cavity is formed by the partition plate and the shell, the heat exchange pipe is arranged in the heat exchange cavity, smoke generated by combustion of the gas stove enters the heat exchange cavity and then exchanges heat with water in the heat exchange pipe, and part of heat generated by combustion in a hearth enters the heat exchange cavity through the partition plate and further exchanges heat with the heat exchange pipe. Flue gas flowing distance is reduced, heat loss is effectively reduced, and waste heat utilization efficiency is improved.

The utility model discloses a gas waste heat automatic recovery energy-saving device which comprises a cooking bench body and supporting legs. The gas stove has the advantages that the heat conduction water tank and the heat conduction cavity are arranged, when the gas stove is used, generated high-temperature flue gas can be collected by the collecting cover above and guided into the snake-shaped heat conduction pipe in the heat conduction water tank in a centralized mode through multiple sets of pipelines, the retention time of the flue gas can be prolonged through the bent structure of the snake-shaped heat conduction pipe, and the heat conduction efficiency of the gas stove is improved. In addition, the heat generated by the use of the cooking bench can be transmitted to the heat conduction fins through the bench surface and diffused into the water body in the heat conduction cavity through the heat conduction fins, the types of waste heat utilization can be effectively enriched through the cooperative use of multiple groups of different structures, and the utilization rate of waste heat is improved. The waste heat recovery range is expanded, the overall waste heat recovery effect is improved, and the waste heat recovery device has the advantages of being wide in waste heat recovery range, good in waste heat recovery effect and capable of achieving multi-type recovery.

An object of the present disclosure is to provide a heating cooker that reduces a decrease in temperature in a heating chamber when water is supplied to a water supply body and quickly heats and cooks an object to be heated.SOLUTION: A heating cooker according to the present disclosure includes a heating chamber that houses an object to be heated, a circulation fan that air in the heating chamber, blows out the sucked air into the heating chamber, forms a circulation flow path in an internal space of the heating chamber, and serves as an air blowing source, a convection heater that heats the air sucked from the circulation fan, a supply body that supplies water to the air heated by the convection heater, and a water tank that supplies water to the water supply body, and includes a water heating mechanism that heats or keeps warm water supplied to the water supply body by using waste heat of the heating chamber.SELECTED DRAWING: Figure 5

The heat recovery device comprises a cooking bench and the cooking range, a wall surface is arranged on the rear side of the upper end of the cooking bench, a flue is fixedly installed at the front end of the wall surface, a spiral metal pipe is arranged in an inner cavity of the flue, a water inlet pipe is fixedly installed at the left end of the flue and communicated with the spiral metal pipe, and a water outlet pipe is fixedly installed at the right end of the flue and communicated with the spiral metal pipe. And a water outlet end is arranged at the right end of the spiral metal pipe. The problem that the heat recovery efficiency is reduced due to impurities in flue gas is solved. According to the technical scheme, the heat recovery device of the cooking range is provided. Impurities in flue gas are filtered by the filter screen, and the filter screen can prevent the impurities from being attached to the heat recovery device, so that efficient operation of equipment is kept. Therefore, the heat recovery efficiency is improved, and the heat recovery effect is guaranteed.

The commercial kitchen air conditioner is applied to the field of kitchen cooling systems and comprises a water cooling unit arranged at the bottom of a cooking range, the water cooling unit is used for generating cold air and provided with a water inlet pipe communicated with a tap water pipeline, and the output end of the water cooling unit is provided with an output unit used for outputting the cold air. And the air outlet end part of the output unit extends out of the cooking range and is arranged towards the chef station. The water cooling unit has the technical effects that the whole water cooling unit is integrated below the cooking bench, external installation is not needed, the space utilization rate of a kitchen is increased, the air supply distance and the cooling capacity loss are reduced, meanwhile, tap water is used as cooling water, the cooling capacity loss is small, the water cooling unit can further extract the heat capacity in the tap water, the condensation effect is remarkably improved, and energy is saved. Refrigeration circulation and efficient utilization of water resources are combined, energy consumption and water resource waste are reduced while the kitchen temperature is reduced, and effective utilization of the resources is achieved.

The utility model relates to the technical field of kitchen waste heat recycling, in particular to a heat recovery device for a hot frying cooking bench, which comprises a cooking bench component, the cooking bench component comprises a base and a ventilator arranged at the top of the base, and smoke generated when the cooking bench works can be exhausted from the ventilator; the heat exchange component comprises a water tank and a heat conduction component, the water tank is arranged at the top of the ventilation barrel, the bottom of the heat conduction component is connected with the ventilation barrel, a side heat release part of the heat conduction component extends into the water tank, the bottom of the heat conduction component is communicated with the ventilation barrel, and smoke can flow into the heat conduction component from the ventilation barrel. The heat release part on the side face of the heat conduction component extends into the water tank, heat of the flue gas extends into water in the water tank, heat exchange naturally occurs, moisture in the water tank absorbs the heat of the flue gas in the heat conduction component to be heated, and the flue gas releases heat and is cooled.

The utility model discloses a heat energy circulation energy-saving small fuel gas frying stove, which belongs to the technical field of small fuel gas frying stoves, and comprises a small frying stove shell, a fire-resistant flange, a water baffle, a water faucet, a water containing barrel and an ignition assembly. Water in the water containing barrel can be heated through the ignition temperature, so that the temperature of the water can be increased, clear water does not need to be independently heated, and the purpose of saving energy is achieved; fuel gas is provided through the arranged ignition assembly and fuel gas hose, ignition is conducted through the igniter, and external air can be fed into the center of the ignition stove through the air blower and sprayed outwards; and gas is provided through the arranged adjusting assembly and the gas hose, ignition is conducted through the igniter, external air can be fed into the center of the ignition stove through the air blower and sprayed outwards, and therefore sufficient oxygen can be provided for combustion.

The utility model relates to the technical field of gas stoves, and discloses an energy-saving gas stove which comprises a cooking bench, a cooking range support is fixedly connected to one side of the upper end of the cooking bench, an energy-saving structure is arranged on the cooking bench, adjusting structures are arranged at the front end and one side of the cooking range support respectively, and the energy-saving structure comprises a heat exchanger. The heat exchanger is placed in the cooking bench, the side, close to the center of the cooking bench, of the heat exchanger is fixedly connected with a conveying pipeline, and one side of the conveying pipeline is fixedly connected with a connecting pipeline. According to the utility model, heat exchange can be carried out on high-temperature gas during gas combustion through the heat exchanger, so that the heated gas is used for heating water in the water tank base, the cooking time is shortened, the gas can be used for hand warming or heat preservation treatment, and heat generated during gas combustion can be recycled and reused conveniently; the air flow of the ventilation groove can be adjusted through the multiple fan-shaped baffles, and it is ensured that oxygen is fully supplied in the fuel gas combustion process.

The utility model provides a multipurpose stove with a timing function. The multi-purpose stove with the timing function comprises a shell, a partition plate is fixedly installed in the shell, two combustion shells are fixedly installed on the inner wall of the top of the shell, stove cores are fixedly installed in the combustion shells, a gas distribution box is fixedly installed on the inner wall of the top of the shell, two adjusting knobs are installed on the gas distribution box, and the two adjusting knobs are fixedly installed on the inner wall of the top of the shell. The top of the adjusting knob is located outside the shell, gas conveying pipes are fixedly installed on the two sides of the gas distribution box correspondingly, one ends of the two gas conveying pipes are fixedly connected with the stove core correspondingly, electromagnetic valves are installed on the gas conveying pipes, a gas inlet pipe is fixedly installed on one side of the gas distribution box, one end of the gas inlet pipe extends out of the shell, and the other end of the gas inlet pipe extends out of the shell. And an air inlet valve is fixedly mounted on the air inlet pipe. The multipurpose stove with the timing function, provided by the utility model, has the advantages that the stewing duration can be timed when food is stewed, and the safety performance of the stove in use is improved.

The utility model discloses a direct-discharge type fuel gas energy-saving waste heat recovery steam large cooking range, which belongs to the field of cooking ranges and comprises a furnace pipe, a furnace end connected with a controller is arranged in the furnace pipe, a frying pan is mounted above the furnace pipe and positioned right above the furnace end, the furnace pipe comprises a furnace pipe shell and a furnace pipe inner wall, a flue gas downward hole is formed in the furnace pipe inner wall, and a flue gas downward hole is formed in the furnace pipe inner wall. A water chamber is formed between the inner wall of the boiler furnace and the boiler furnace shell, a waste heat recovery device is arranged in the water chamber and comprises a hollow body, a smoke inlet pipe communicated with the interior of the body and the smoke downstream hole is arranged on the body, a smoke outlet pipe communicated with the interior of the body is arranged on the side face of the body, and the body and the smoke outlet pipe are provided with a plurality of water flow circulating pipes. High-temperature flue gas flowing through the body is cooled through the water flow circulating pipe, water is evaporated to generate steam to provide a heat source for other devices, tail gas waste heat is utilized, and the purpose of saving energy is achieved.

The utility model discloses an anti-heat-conduction large cooking stove which comprises a large cooking stove assembly and a waste heat recovery assembly arranged on the right side of the large cooking stove assembly. The large cooking stove assembly comprises a heat insulation operation panel, a pot rack main body, a first gas guide pipe, a faucet valve, a pot body, a combustion valve body, a stainless steel annular heat insulation cover, a stove chamber body, an air blower, an observation window and an observation guide pipe, and the waste heat recovery assembly comprises a heat preservation cover, a spring, a handle, a sliding groove, a sliding block, a fixing rod, a smoke purification box and a second gas guide pipe. The heat-conduction-preventing large cooking range has the advantages of being long in service life and good in heat-conduction-preventing effect, and solves the problems that when a large cooking range is used, the heat insulation effect is poor, heat insulation is achieved in a hearth of the large cooking range in a mud pasting mode, the service life of the large cooking range is shortened after a long time, and when smoke is exhausted, the functions of recycling, purifying and reusing are not achieved. And the applicability is poor when the kitchen is used.

The utility model relates to the technical field of heating equipment discloses a hydrogen alcohol heating stove, including the organism, the organism includes hearth, sets up the heat exchange pipe in hearth, sets up the burner that heats in hearth bottom and adds the hydrogen alcohol fuel of hydrogen alcohol fuel supply module that provides with burner connection, sets up the flue gas condenser that collects the flue gas of hearth discharge in the organism and provides oil module, sets up the flue pipe between hearth and flue gas condenser, and sets up the flue gas exhaust mechanism that flue gas is discharged to outside in flue gas condenser, the side wall of organism is equipped with water outlet and water inlet, flue gas condenser includes the smoke box and sets up the condenser pipe in the smoke box, and the outlet of condenser pipe is linked together with the import of heat exchange pipe, and the import of condenser pipe links together with water inlet, and the export of heat exchange pipe links together with water outlet, the shape of smoke box is U type, and the shape of condenser pipe is spiral fin shape. With this, it is favorable to flue gas waste heat heat exchange, and the time of heat exchange with flue gas can be prolonged and the area of heat exchange with flue gas can be increased to improve the heat exchange efficiency.

This invention belongs to the field of waste heat utilization technology for stoves, specifically relating to a universal waste heat exchanger. The invention includes a hot water tank and, sequentially arranged along the flue gas path, an inlet pipe, a heat exchange jacket, a heat exchange coil, and a waste gas discharge pipe. The heat exchange jacket is located within the cavity of the hot water tank, and the inlet pipe penetrates the hot water tank and connects to the inlet of the heat exchange jacket. The heat exchange jacket and the heat exchange coil are coaxially arranged, and the outlet of the heat exchange jacket connects to the inlet of the heat exchange coil. The outlet of the heat exchange coil connects to the waste gas discharge pipe. This invention can maximize the efficient utilization of waste heat within the stove while meeting the normal heating requirements of the stove.

The present invention relates to a cooking appliance for a large-scale kitchen in the form of a combi-steamer (1, 1'), having a cooking compartment (3) for cooking food which is to be cooked, which can be arranged on a plurality of cooking levels (32), or a rotisserie appliance, having a cooking compartment for cooking food which is to be cooked, which can be arranged on a rotatable carrier, having a heating device for heating the cooking compartment atmosphere, an appliance controller for controlling the cooking appliance, and a cooking compartment drain (33) which is located below a floor (4) of the cooking compartment (3) and serves for conducting away a fat / water mixture and gaseous portions of the cooking compartment atmosphere out of the cooking compartment (3), wherein the cooking compartment drain (33) extends from an outlet opening (15) in the floor (4) or in the floor region of the cooking compartment (3) as far as a siphon device (35), wherein a fat-collecting device (59) is provided which comprises at least one fat-collecting container (61), at least one fat extraction line (73), at least one extraction pump (77) and at least one fat discharge line (82), wherein the fat extraction line (53) extends from the fat-collecting container (61) to the extraction pump (77), wherein the extraction pump (77) is configured to further convey the fat / water mixture sucked up via the fat extraction line (73) into the fat discharge line (82), and wherein a cleaning device is provided which is configured to convey water at least via the fat extraction line (73) and the fat-collecting container (61) into the cooking compartment drain (33) in the direction of the siphon device (35).

The application belongs to the technical field of cooking stoves, and discloses an integrated environment-friendly cooking stove and an operating method thereof. The integrated environment-friendly cooking stove and the operating method thereof comprise a stove body, the inside of the stove body is fixedly provided with a partition plate to divide the stove body into left and right parts, the top wall of the stove body and at the left and right sides of the partition plate are provided with cookers, the cookers are provided with gaskets, the bottom of the right side wall of the stove body is provided with an air inlet, the air inlet is provided with a filter screen, the inner bottom wall of the stove body is fixedly provided with a double-shaft motor, the right end of the double-shaft motor is fixedly provided with an air suction fan blade, and the air suction fan blade is in the air inlet. The integrated environment-friendly cooking stove and the operating method thereof can strengthen the mixing of gas and oxygen, help the full combustion of gas, and help the vortex to concentrate the flame at the bottom of the pot. The speed control of the double-shaft motor and the gas flow can realize the control of the flame, and solve the problems in the background art.

The invention belongs to the technical field of kitchen heating equipment, and particularly relates to an external fire source heat storage type movable baking cooking stove heating vehicle and a heating method. The heating vehicle comprises a vehicle body, a cooking stove, a heat storage block and a cover body; wherein a round through hole is formed in the bottom surface of the trolley body, and a furnace plate is arranged at the round through hole; a connecting pipe is arranged on the vehicle body and is aligned and connected with a fire outlet channel of the fixed external fire source furnace; two flues are arranged at the upper end of the vehicle body; the upper end of the baking stove is erected at the upper end of the vehicle body and located in the vehicle body, and a gap is formed between the body and the vehicle body; the bottom of the baking stove protrudes upwards to form a circular-truncated-cone-shaped ignition column; the heat storage block is erected in the vehicle body and located at the bottom of the cooking stove, and a plurality of fire inlet channels are formed in the heat storage block; the heating device is simple in structure and easy to process and use, food can be continuously heated, a fire source does not need to be carried within a certain heating time, and industrial production, processing and heating of cooking are achieved.

The utility model relates to the technical field of fuel gas and oil stoves, in particular to a heating conversion synergistic device for a kitchen cooking fuel gas and oil stove and the stove. In the utility model, a vortex-shaped heat conduction pipe in a row is arranged at the middle upper part in a hearth of the cooking range in an exposed manner, the heat conduction pipe is bent into a vortex shape by utilizing a special pipe bending machine to form a vortex-shaped heat conduction component in a vortex form, the vortex-shaped heat conduction component is tightly attached to a heat insulation layer of the hearth and is directly exposed, and the inlet end of the vortex-shaped heat conduction component is connected with a water inlet pipe; the outlet end of the vortex-shaped heat conduction component is externally connected with a water outlet guide pipe, surplus temperature in the hearth is absorbed through the vortex-shaped heat conduction component, tap water is introduced into the vortex-shaped heat conduction component, heating can be conducted, and the tap water in the vortex-shaped heat conduction component is heated and then led out for other applications in kitchen work. In addition, excessive and fast loss of combustion heat can be prevented, the combustion heat can be more gathered and acted in a pot in cooking work, the pot heating speed is increased, the meal discharging efficiency is improved, and the effects of efficiency improvement and energy conservation are achieved.

The utility model provides an energy-saving commercial gas cooking stove which comprises a stove body, adjusting supporting legs are symmetrically arranged at the bottom of the stove body, a gas stove is fixedly installed in the middle of the interior of an installation groove, and the front side of the stove body is fixedly connected with an adjusting valve; the heat recovery mechanism is arranged in the stove body and used for absorbing and utilizing waste heat generated by the gas stove; the expanding mechanism is arranged on one side of the stove body and used for expanding the usable area of the top of the stove body. The heat recovery mechanism is arranged, waste heat generated by the gas furnace is absorbed through the heat conduction plate, heat is conducted to cold water in the heating groove through the heat conduction plate, the cold water in the heating groove is heated, the heated cold water enters the water storage cavity, heat preservation is conducted on water through the heat preservation water tank, and waste heat recycling is achieved. The heating area is increased through the heat conducting plate, the heating effect on water in the water storage cavity is improved, and the waste heat utilization effect is improved.

This invention relates to the field of kitchen appliances and smart home technology, and discloses a multi-heat source intelligent hot water system and its water temperature control device, including: a hot water supply device for providing hot water to cooking pots; a heat source control device for prioritizing the use of waste heat from the stove and scheduling multiple heat sources; the heat source control device includes: two temperature sensors, respectively installed at the outlet of the waste heat recovery pipe of the left and right burners; at least two solenoid valves, respectively installed on the main waste heat recovery pipe of the stove and the water supply pipes of other heat sources. By constructing a triple pure mechanical safety protection system, through the physical connection between the movable arm water inlet connector and the wall fixed interface, the linkage between the manual button and the mechanical valve, and the water cut-off design of the automatic return spring, the risk of scalding caused by misoperation is eliminated from three dimensions: physical connection, operation triggering, and automatic reset, while combined with fault self-diagnosis and safety redundancy design.

The utility model discloses a waste heat recovery energy-saving small frying hearth, which belongs to the field of cooking ranges, and comprises a furnace pipe, a furnace end is arranged in the furnace pipe, the furnace pipe comprises a furnace pipe shell and a furnace pipe inner wall, a water chamber is formed between the furnace pipe inner wall and the furnace pipe shell, a waste heat recovery device is arranged in the water chamber, a flue gas downward hole is formed in the furnace pipe inner wall, and a flue gas downward hole is formed in the flue gas downward hole. And the flue gas descending hole is communicated with the waste heat recovery device. The exhaust stroke of the smoke is prolonged through the waste heat recovery device, the tail gas waste heat utilization efficiency is high, and the energy-saving purpose is achieved.

The utility model discloses a kitchen ware waste heat recycling system which comprises a hollow stove basin, a water tank, a temperature monitor, an electromagnetic valve and a water pump, a closed cavity is formed in the hollow stove basin, and an outlet and an inlet which are communicated with the closed cavity are formed in the hollow stove basin; the water tank communicates with the outlet through a first pipe body and communicates with the inlet through a second pipe body; the temperature monitor is arranged in the closed cavity and is used for monitoring the temperature of the cavity in real time; the electromagnetic valve is arranged on the first pipe body and is electrically connected with the temperature monitor; the water pump is arranged on the first pipe body and located between the electromagnetic valve and the water tank. According to the technical scheme, the hollow stove basin is used for replacing an original single-layer kitchen ware stove basin with the water inlet and the water outlet in the outer layer of the stove basin, and therefore residual heat can be converted into useful energy through water to be stored. Enterprise hot water supply or space heating can be achieved; the heat energy of the flame is fully utilized, and the residual value of the flame is fully utilized by more than 80%.

A device for replacing batteries with thermoelectric power generation of a gas stove belongs to the field of thermoelectric power generation. The invention aims to utilize waste heat to generate power so as to replace a battery with great pollution. The internal space of the gas stove is large, and the highest high temperature of about 380 DEG C can be generated in the furnace end in daily use. A water storage tank is additionally arranged in the stove, and a water adding and taking device is arranged. And meanwhile, auxiliary hot water can be provided, the temperature of the furnace end is reduced, and the gas utilization rate is increased. The characteristics of long cycle life and no pollution of the lithium ion super capacitor are utilized, the capacitor is charged by the current generated in daily use, and the voltage and current required by the cooker are obtained by utilizing the switching power supply module. And the stove generates electricity by itself, so that battery pollution is reduced, and meanwhile, a power supply is provided for increasing functions in the future.

This utility model relates to the field of commercial gas stove technology, and in particular to an energy-saving commercial gas stove, including a stove platform connected to a power switch. The stove platform contains a gas supply component and an air supply component. The invention is characterized by further including a flameout component connected to the gas supply and air supply components. The stove platform also contains a heating component connected to a water supply component. By incorporating the flameout component, when a pot is removed from the stove and placed on the induction table, the induction table sends a signal to close valves six and seven, leaving only a small flame in the stove, reducing gas waste, saving energy, and lowering costs. The heating component in this device utilizes coil one, along with the heat generated by the combustion of the gas itself, to heat the water supply line to a certain extent, and coil two to heat the water in the water tank, thereby improving gas utilization efficiency and saving energy.

The utility model discloses an electric pot rice stove with a waste heat recovery structure, which relates to the technical field of electric pot rice stoves and comprises a bottom plate, a through hole is arranged in the bottom plate, a first water storage tank is arranged on the inner side of the through hole and positioned in the bottom plate, a cover plate is arranged at the top of the first water storage tank, and transmission shafts are arranged on two sides in the through hole. First driven gears are arranged on the outer sides of the two ends of the transmission shaft, the outer sides of the first driven gears are in transmission connection through metal toothed belts, the outer sides of the metal toothed belts are connected with mounting frames through bolts, heating mechanisms are arranged in the metal toothed belts, foldable supporting plates are arranged on the two sides of the cover plate, and a waste heat recovery mechanism is arranged at the top of the cover plate. The waste heat recovery efficiency is improved, and the equipment structure is simplified.

The invention provides a smoke internal circulation and cascade waste heat utilization self-energy-supply energy-saving cooking bench system which comprises a hollow furnace basin, a hearth is arranged in the hollow furnace basin, a furnace end is arranged in the hearth, a furnace end sealing plate is arranged on the outer side of the furnace end, a combustion-supporting fan is arranged at the bottom of the hearth, and the combustion-supporting fan is arranged at the bottom of the hearth. The bottom of the hollow stove basin is connected with a flue gas internal circulation pipeline in a penetrating mode, and a heat dissipation auxiliary pipe is arranged on the outer side of the flue gas internal circulation pipeline. According to the flue gas internal circulation and cascade waste heat utilization self-energy-supply energy-saving cooking bench system, the closed water cavity is formed by arranging the hollow stove basin body of a double-layer hollow structure, the flue gas retention time is prolonged in cooperation with the high-temperature flue gas chamber formed by the single-layer heat preservation basin and the stove basin shell, and dual recovery of hearth radiant heat and flue gas sensible heat is achieved; and subsequently, the residual smoke is introduced into the heat exchange water tank through the smoke exhaust pipe branch to exchange heat again, so that a complete stepped waste heat recovery system is constructed, the energy utilization rate is greatly increased, and the dual purposes of improving the heat efficiency and recovering the waste heat are achieved.

A kind of mute water tank oil gas double stove, by support, stove shell, stove top, hearth, burner, pressure water tank, heat exchange flue, smoke collecting box, flue pipe is formed, the intersection of heat exchange flue and pressure water tank is saddle line, it is very easy to realize automatic welding;Heat exchange flue is a straight pipe, it is very easy to realize installation automation;There is no joint in heat exchange flue in pressure water tank, there is no possibility of water leakage.The utility model is half closed combustion mode, can guarantee the overall heating of pot, can speed up cooking speed.The smoke collecting box of the utility model is a smoke exhaust passage, is also an important component of hearth sound attenuation, is also the heating wing plate of pressure water tank, is also an important component of bottom heating of pressure water tank by hot air flow again, a component 4 functions, novel design, powerful.The utility model eliminates noise in the emission process of combustion waste smoke, waste heat is absorbed and utilized, has very high heat utilization efficiency.