176results about "Water heating stoves/ranges" patented technology

The utility model discloses a kitchen stove with a waste heat recovery system, a chimney cap is fixedly connected to the rear side of the top end of a cooking bench, the chimney cap is communicated with the interior of the cooking bench through a combustion exhaust flue, and the waste heat recovery system comprises a first waste heat recovery pipeline and / or a second waste heat recovery pipeline arranged on the first waste heat recovery pipeline and / or the second waste heat recovery pipeline; the first waste heat recovery pipeline comprises a cooking bench pipeline arranged in a cooking bench and / or a chimney cap pipeline arranged in a chimney cap; the circulating water tank communicates with the first waste heat recovery pipeline and / or the second waste heat recovery pipeline through a circulating water pipeline. The first waste heat recovery pipeline and the second waste heat recovery pipeline are arranged, waste heat of the cooking bench and the smoke exhaust hood is recovered through the circulating water pipeline by means of water, the water returns to the circulating water tank after absorbing heat, and waste heat of the kitchen cooking range is recovered and utilized through hot water heated by the circulating water tank.

The utility model relates to the technical field of induction cookers, in particular to an intelligent hot water induction cooker which comprises an induction cooker body, a control panel, a metal water pipe, an electric control three-way valve, a tap water pipe, a heat preservation water tank and a water suction pump. After the induction cooker body works, an electromagnetic valve, close to one side of the heat-preservation water suction pump, of the electric control three-way valve is opened, the water suction pump is started, and a water inlet and a water outlet of the metal water pipe are opened to form a circulating system, so that water is circularly heated in the system; according to the induction cooker, internal redundant heat is absorbed through a water circulation heating technology, the service life of the induction cooker product can be effectively prolonged, effective utilization of the redundant heat in the working process of the induction cooker can be increased, energy conservation and emission reduction are achieved for human environment protection, the redundant heat around the cooker plate in the working process of the induction cooker is solved, and the service life of the induction cooker is prolonged. The internal environment temperature of the induction cooker is increased, and the aging of the induction cooker is accelerated.

An intelligent-cleaning steam oven liner includes a liner body, a door, a heating system, and a spray system. The heating system is used for cooking food in the liner body, and after the food in the liner body is cooked, the spray system cleans an inner wall surface of the liner body. The door is in seal fit with the liner body, and the heating system and the spray system are arranged in the liner body. The heating system realizes the food steaming and roasting function of a steam oven, and after the food is cooked by the heating system, the spray system operates to clean the inner wall of the liner body to keep the liner body clean.

The utility model belongs to the technical field of heating, and discloses a combined cooking and heating integrated device and a multi-heat-source complementary heating system. A combined cooking and heating integrated device comprises a stove and a heat exchange water tank used for containing water. The heat exchange water tank and the stove are arranged in a split mode, a smoke pipe is fixedly arranged in the heat exchange water tank, the air inlet end of the smoke pipe is detachably connected with a smoke outlet of the stove, and the exhaust end of the smoke pipe extends out of the heat exchange water tank. And a water jacket is fixedly arranged on the wall of the stove and is communicated with the heat exchange water tank through a return pipe and a water outlet pipe. The multi-heat-source complementary heating system comprises heating equipment and the device, and the heat exchange water tank is fixedly connected to a water inlet pipe and a water return pipe of the heating equipment. The utility model can be used independently, can heat by using the heat exchange water tank during cooking, can also be combined with a heating system for effective complementation, provides emergency guarantee or increases the heating effect, and is suitable for rural heating.

The utility model provides an energy-saving and environment-friendly gas cooking stove which comprises a stove body, a smoke utilization assembly is arranged on the back face of the stove body, and an energy-saving assembly is arranged on the inner side of the stove body. The smoke utilization assembly comprises a stove arranged at the top of the stove body, the inner side of the stove communicates with an exhaust pipe, and the rear end of the exhaust pipe penetrates through the inner side of the stove and extends to the back face of the stove body. According to the energy-saving and environment-friendly large gas cooking stove, when gas burns, a part of scattered smoke hot gas enters the inside of the return pipe through the exhaust pipe, heat in the smoke is gradually lost and absorbed by water surrounding the outside of the return pipe after the heat passes through the multiple bends of the return pipe, then the water is heated, and the heat in the return pipe is dissipated. When hot water is used for cleaning cookware or a cooking bench subsequently, extra water boiling is not needed, the structure is simple and practical, heat in smoke is effectively utilized, and the environment-friendly and energy-saving effects of the large cooking stove are improved.

The invention discloses a gas energy-saving stove with a heat storage function, comprising a stove body and at least one combustion chamber, an outer table panel is provided on the upper surface of the stove body, a circular mounting hole is opened on the outer table panel, the combustion chamber is installed in the circular mounting hole, a combustion head is provided at the bottom center of each combustion chamber, a front door assembly is provided on the front side of the stove body, a control switch is provided on the front door assembly, side guard plates are provided on the left and right sides of the stove body respectively, a built-in water tank and a fan are provided under the outer table panel, tap water is stored in the built-in water tank, a water outlet pipe and a water outlet pipe are connected to the built-in water tank, a hot water circulation pump is provided on the water outlet pipe of the built-in water tank, the combustion chamber is connected to a main flue, the main flue is connected to a flue assembly, a heat exchanger is provided in the flue assembly, the stove is simple to use and has an energy storage function.

The invention discloses a multifunctional environment-friendly efficient energy-saving stove, and relates to the technical field of energy-saving stoves, the multifunctional environment-friendly efficient energy-saving stove comprises a stove body, a controller and a heating module, the heating module is connected with the controller through a signal line, the controller is installed on the front side of the outer wall of the stove body, and the heating module is installed in the middle of the inner wall of the stove body; the heating module comprises a fuel tank, a switching valve, a combustion assembly, a temperature sensor, an electric heating assembly and a heating motor. The switching valve, the temperature sensor and the electric heating assembly are connected with the controller through signal lines. By installing the heating module, the function of intelligently replacing the heating mode is achieved, the problems of pollutant discharge, insufficient fuel storage and uncontrollable fuel cost are solved, dependence on traditional fossil fuel can be reduced, pollutant discharge is reduced, continuous production of catering and industrial scenes is guaranteed, and the energy consumption is reduced. And the risk of energy supply interruption is avoided.

The present invention provides a furnace of an energy-saving stove, comprising: a water jacket and a tray; the water jacket comprises an outer shell having an inner cavity, a partition wall arranged in the inner cavity, and a burner mounting portion; the partition wall divides the inner cavity into a waste heat recovery chamber and a water storage chamber; the water storage chamber has a cold water inlet and a hot water outlet; the burner mounting portion is arranged in the waste heat recovery chamber and is close to the bottom of the waste heat recovery chamber; the waste heat recovery chamber has an opening at one end away from the burner mounting portion; the tray has a smoke inlet; the tray cover is arranged at the opening, and the smoke inlet faces the burner mounting portion; the flame generated by the burner of the energy-saving stove burning fuel can pass through the smoke inlet, and the smoke generated by the burner burning fuel can enter the waste heat recovery chamber through the smoke inlet. The present invention also provides an energy-saving stove. By adopting the present invention, the waste heat generated by the smoke entering the waste heat recovery chamber can be fully utilized to heat the water stored in the water storage chamber, thereby greatly improving the utilization rate of the waste heat.

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.

Cooking appliance for commercial kitchens in the form of a combi steamer 1, 1', with a cooking chamber (3) for cooking food which can be arranged on a plurality of cooking levels (32), a heating device for heating the cooking chamber atmosphere, a device control for controlling the cooking appliance, a cooking chamber drain (33) which is located below a floor (4) of the cooking chamber (3) and serves to drain a fat-water mixture and gaseous components of the cooking chamber atmosphere from the cooking chamber (3), wherein the cooking chamber drain (33) extends from a drain opening (15) in the floor (4) or in the floor area of ​​the cooking chamber (3) to a siphon device (35), wherein a fat collection device (59) is provided which comprises at least one fat collection 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 (73) extends from the fat collection container (61) extends to the suction pump (77),wherein the suction pump (77) is configured to convey the grease-water mixture drawn in via the grease suction line (73) to the grease discharge line (82), and wherein the grease collection device (59) comprises a cleaning device configured to convey water at least via the grease suction line (73) and the grease collection container (61) into the cooking chamber drain (33) in the direction of the siphon device (35).

The environment-friendly electromagnetic range comprises an electromagnetic range body, a first sliding groove is formed in the rear side of the upper end of the electromagnetic range body, first sliding blocks are connected to the two ends of the first sliding groove in a sliding mode, fixing frames are fixedly connected to the front ends of the first sliding blocks, and connecting frames are arranged on one sides of the fixing frames; and heating barrels are fixedly connected to the inner sides of the connecting frames correspondingly, heat absorption copper bottoms are fixedly connected to the bottoms of the heating barrels correspondingly, a second sliding block is arranged at the upper end of the electromagnetic range body, and cleaning rods are fixedly connected to the two sides of the second sliding block correspondingly. According to the electromagnetic oven cleaning device, by arranging the two-way screw rod, the first sliding block, the fixing frame, the one-way screw rod, the connecting frame, the heating barrel, the heat absorption copper bottom, the heat preservation box, the fixing block, the second sliding block, the cleaning rod and the cleaning cloth, people are prevented from being scalded in the process of scrubbing the surface of the electromagnetic oven, and residual heat on the surface after the electromagnetic oven is used is conveniently recycled.

The utility model discloses a dual-purpose heating stove which comprises a gas stove, a cooking bench, rails, a rail frame, a water tank, a pipeline support, a water pipe, a water tank support and a heat insulation safety handle, the cooking bench is arranged on an upper table top of the gas stove, the rails are laid on the two sides of the cooking bench, and the water tank is installed on the rails in a butt joint mode through the rail frame and communicated with the water pipe. According to the dual-purpose heating stove, during heating, the water tank heat exchange system slides to the position over the table top of the cooking bench through the rails, and during cooking, the water tank heat exchange system slides to the rear side, the water tank heat exchange system is arranged on the water tank support, and the water tank support is arranged on the water tank support; the alloy heat conduction disc conducts rapid heat conduction operation when the water tank is heated, rapid temperature rise of the water tank is facilitated, the water tank is arranged to be movable, the water pipe is externally connected with a metal hose capable of moving by a certain distance, the metal hose is installed in an inner groove of the U-shaped pipe support in an embedded mode and tightened and positioned through a tightening bolt, and a bearing plate of the pipeline support serves as a structural bearing of the metal hose.

The dual-fuel gas appliance comprises a shell, a combustor, a gas proportional valve, a fuel pump and a heating body, the combustor, the gas proportional valve, the fuel pump and the heating body are arranged in the shell, the fuel pump is communicated with the interior of the heating body, the heating body and the gas proportional valve are communicated with a gas distributing pipe of the combustor, and the fuel pump is used for pumping liquid fuel to the heating body. And the heating body is used for heating liquid fuel sent to the heating body by a heat pump, so that the liquid fuel flows into the gas distribution pipe after being gasified and is injected into the combustor through the nozzle for combustion. According to the dual-fuel gas appliance, liquid fuel or natural gas can be adopted as fuel, the dual-fuel gas appliance can be suitable for the use environments of cities and villages and towns at the same time, and sufficient hot water can be rapidly provided for users of cities and villages and towns.

The invention discloses an efficient, energy-saving, environment-friendly, oxygen-increasing and combustion-supporting fuel gas and fuel oil dual-purpose multifunctional energy-saving stove unit, which belongs to the technical field of energy-saving stoves and comprises a cooking bench, a stove opening, an interlayer combustion cavity, an automatic electronic ignition and premixing type oxygen-increasing, combustion-supporting and energy-saving cyclone furnace end and an energy-saving gas and fuel oil dual-purpose energy-saving stove body arranged on the inner wall of the interlayer combustion cavity and above and below the interlayer combustion cavity. The system comprises an interlayer combustion cavity, a spiral heat exchange coil pipe with the periphery communicated, an interlayer multi-pipe tail gas emission flue waste heat utilization system communicated with the interlayer combustion cavity, an energy-saving rice steaming cabinet which is communicated with the interlayer combustion cavity and is provided with an energy-saving combustion or heating and heating system and an automatic pressure release valve, and a noise reduction steam recycling system communicated with the energy-saving rice steaming cabinet. The floating ball or the electronic high-low water level intelligent control system is communicated with the interlayer combustion cavity and the noise reduction steam recycling system, and the carbon and sulfur capturing device, the tail gas multi-element catalysis device, the net zero emission system and the interlayer combustion cavity overall outer heat preservation structure are communicated with a tail gas emission flue.

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 invention relates to the technical field of heat recovery, in particular to a multi-layer cross flow guide type heat recovery device which comprises a waste heat recovery box used in cooperation with a cooking bench, a cooking range and a flow guide channel, an exhaust port formed in the top of the waste heat recovery box, an adjusting knob rotationally connected to the cooking bench and a metal flow guide pipe arranged in the waste heat recovery box. The transmission assembly is arranged on the cooking bench, the adjusting assembly is arranged in the waste heat recycling box, and the opening and closing assembly is arranged on the adjusting assembly; according to the waste heat recovery device, the fire power is controlled through the adjusting knob, and meanwhile, the distance between the adjusting assembly and the metal flow guide pipe can be controlled, so that the requirement of flue gas on the efficiency of passing through the waste heat recovery box under different fire powers is met; and potential safety hazards caused by pressure rise in the cooking range due to low smoke passing efficiency under the condition of large fire are prevented.

A control method of a cooking apparatus. The control method of the cooking apparatus includes controlling an operation of the water supply pump to supply water to the steam generator, controlling an operation of the water supply pump for a period of time to additionally supply water to the steam generator when a level of water supplied to the steam generator reaches a position. The method includes controlling an operation of a drain pump to discharge the water from the steam generator when the period of time expires, and respectively controlling an operation of a steam heater installed in the steam generator and a bottom heater installed on a bottom surface of the cooking apparatus, when the level of the water in the steam generator reaches the position at which the water is discharged from the steam generator.

The utility model discloses a multifunctional stove, and belongs to the technical field of cooking stoves. Comprising a shell, a combustion chamber and a combustion stove core, a table top is arranged on the shell, a waste discharge channel is arranged on the upper portion of one side of the shell, a sunken combustion chamber is arranged on the table top, a combustion stove core is arranged on the lower portion of the combustion chamber, and a cookware containing part is arranged at the upper end of the combustion chamber. A heat insulation water tank is arranged on the lower end face of the table top and provided with a first water inlet and a first water outlet. The lower end face of the heat insulation water tank is provided with a tail flame channel layer connected with the waste discharge channel. The upper portion of the combustion chamber is provided with a plurality of tail flame holes communicated with the tail flame channel layer. The technical problems that an existing stove is inconvenient to clean, and the utilization rate of fuel energy is inconvenient to improve are solved.

The present invention relates to the technical field of commercial gas stir-fry stoves, and specifically relates to an energy-saving commercial gas stir-fry stove, which includes a stir-fry stove tabletop body, and the upper end of the upper discharge pipe is connected to a fixed pipe; a control button mounting plate and a wind valve are installed on the front side of the stir-fry stove tabletop body, and the wind valve is arranged below the control button mounting plate. A control rod is arranged on the right side of the mixing pipe, and the upper part of the control rod is connected to a motor inside the stir-fry stove tabletop body; a connecting rod is installed at the outer end of the control rod, and the side surface of the connecting rod is connected to the outer side surface of the mixing pipe. This energy-saving commercial gas stir-fry stove can increase the intersection angle between the gas and air in the mixing pipe, and then improve the mixing effect between the gas and air, enabling full mixing between the gas and air, thereby improving the combustion efficiency. This can not only reduce the pollutants generated by incomplete combustion, but also improve the thermal efficiency, avoid energy waste, and save energy when the commercial gas stir-fry stove is in use.

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.

A control method of a cooking apparatus. The control method of the cooking apparatus includes controlling an operation of the water supply pump to supply water to the steam generator, controlling an operation of the water supply pump for a period of time to additionally supply water to the steam generator when a level of water supplied to the steam generator reaches a position. The method includes controlling an operation of a drain pump to discharge the water from the steam generator when the period of time expires, and respectively controlling an operation of a steam heater installed in the steam generator and a bottom heater installed on a bottom surface of the cooking apparatus, when the level of the water in the steam generator reaches the position at which the water is discharged from the steam generator.

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 present invention relates to the technical field of cooking stoves, specifically a circulating air energy-saving stove, which includes an outer jacket, an inner jacket, and a horn-shaped flame concentrating platform. The outer jacket, the inner jacket, and the horn-shaped flame concentrating platform are integrally formed. An air heating chamber is formed between the outer jacket and the inner jacket. The horn-shaped flame concentrating platform is annularly provided with a plurality of discharge holes. The inner wall of the inner jacket is fixedly connected with a spiral water pipe through a plurality of support members. The normal-temperature air in the air heating chamber is heated up by absorbing the heat of the fire flare discharge holes; after heating up, it is mixed with fuel, so that less fuel can be consumed to reach the same fire flare temperature, thus achieving the purpose of energy saving.

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 utility model provides an energy-saving kitchen frying stove, which relates to the technical field of kitchen utensils and comprises a shell, an energy-saving bin is arranged in the shell close to the top end, a water inlet pipeline is mounted on the left side of the shell close to the top end, and a water outlet pipeline is mounted on the right side of the shell. A fuel gas pipeline is installed at the position, close to the bottom, of the right side of the shell, a built-in groove is formed in the position, close to the bottom, of the interior of the shell, a connecting pipeline is arranged in the built-in groove, the portion, extending into the energy-saving bin, of the connecting pipeline is provided with a burner, a check block is arranged in the connecting pipeline, and a rotary knob is arranged on the front face of the shell. By using the water inlet pipeline, the water outlet pipeline, the heat exchange coil pipe, the partition ring and the heat insulation plate, heat exchange can be performed on water circulating in the heat exchange coil pipe while equipment is used, so that heat in the energy-saving bin is secondarily utilized, waste of resources is greatly reduced, and the energy-saving effect is effectively improved.

The invention discloses a novel commercial hearth, and belongs to the technical field of gas combustors. According to the technical scheme, the novel commercial hearth comprises a hearth body, three annular airflow cavities are formed in the hearth body at intervals from inside to outside, two heat conduction rings are arranged between every two adjacent airflow cavities, heat exchange pipes are arranged in the heat conduction rings, the heat exchange pipes are provided with first heat release areas extending out of the heat conduction rings, and the first heat release areas are provided with second heat release areas extending out of the heat conduction rings. Three air guide pipes are arranged on the outer wall of the hearth body at intervals and connected into the three annular airflow cavities respectively, and each air guide pipe is provided with an electromagnetic valve. The combustion uniformity is improved through the multiple layers of annular airflow cavities and a hierarchical control strategy, the mixing efficiency is optimized through a gas mixing mechanism, the heat energy utilization rate is improved in combination with a multi-mode waste heat recovery system, and operation safety is guaranteed through real-time monitoring and dynamic adjustment; the system has the advantages of high combustion efficiency, excellent emission control, full heat energy recovery and timely safe response.

The utility model relates to the technical field of cooking utensils, and provides a cooking utensil and an integrated cooker. The cooking utensil comprises a box body, a door body, an air guide assembly and a fan assembly, the door body is connected with the box body, the door body is provided with a first heat dissipation channel for air circulation, the air guide assembly is connected with the box body, the air guide assembly is provided with a second heat dissipation channel, and the air guide assembly is provided with a first opening and a second opening; the first opening and the second opening communicate with the second heat dissipation channel, the first heat dissipation channel is connected with the second heat dissipation channel through the first opening, the second heat dissipation channel communicates with the fan assembly through the second opening, and the area of the first opening is larger than that of the second opening. According to the cooking utensil, the first heat dissipation channel communicated with the outside and the second heat dissipation channel communicated with the fan assembly are formed, so that gas can circulate in the cooking utensil, high-temperature heat generated in the box body in the working process of the cooking utensil is taken away, and heat dissipation and cooling are achieved.

The invention discloses a low-power heat preservation type electrothermal furnace plate capable of utilizing waste heat, and relates to the technical field of electrothermal furnace plates, the low-power heat preservation type electrothermal furnace plate comprises a first mounting plate, a heat insulation material, a heating wire, a microcrystalline glass plate, a second mounting plate, a temperature sensor and a controller, a mounting cavity is formed in the middle of the right end of the first mounting plate, and a first motor is fixed in the mounting cavity; a rotating disc is fixed to the output end of the first motor, the bottom end of a broken line pipe is installed in the rotating disc in a threaded connection mode, a water inlet pipe is arranged in the broken line pipe, a first spray head is fixed to the top end of the water inlet pipe, and a telescopic hose is fixed to the bottom end of the water inlet pipe. According to the low-power heat preservation type electrothermal furnace plate capable of utilizing the waste heat, water heated by the waste heat is used for heat preservation of objects, the heat exchange effect is improved by enlarging the spraying area of the water and delaying the water flow speed to prolong the contact time, and therefore the waste heat utilization effect is improved, and the distance between the objects on the containing plate and warm water can be controlled.