CN115307191A - Heat exchange energy saver, energy-saving cooling system and method - Google Patents
Heat exchange energy saver, energy-saving cooling system and method Download PDFInfo
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- CN115307191A CN115307191A CN202211247216.9A CN202211247216A CN115307191A CN 115307191 A CN115307191 A CN 115307191A CN 202211247216 A CN202211247216 A CN 202211247216A CN 115307191 A CN115307191 A CN 115307191A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0096—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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- Thermal Sciences (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention provides a heat exchange energy saver, an energy-saving cooling system and a method, and relates to the technical field of heat exchange. The invention not only can collect high-temperature flue gas generated by the stove and convert the high-temperature flue gas into hot water for domestic use through heat exchange, but also can carry out thermal power generation through heat generated when the stove is used, the flue gas and oil smoke are discharged through the exhaust fan when the stove is used, and simultaneously the heat absorption and cooling subsystem can be driven to operate in a linkage manner, so that the evaporation plate absorbs the heat at one end of the semiconductor power generation sheet, the temperature difference at the two ends of the semiconductor power generation sheet is increased, the power generation efficiency is improved, and meanwhile, the cold air at the evaporation plate is blown out by matching with the cooling fan to play a role of cooling the kitchen and the kitchen, thereby not only improving the diversity of waste heat utilization, but also enabling the cooking to be more comfortable in summer.
Description
Technical Field
The invention relates to the technical field of heat exchange, in particular to a heat exchange energy saver, an energy-saving cooling system and an energy-saving cooling method.
Background
With the adjustment of national energy structure, the strategic target of sustainable development is realized, the use ratio of clean energy such as natural gas is improved year by year, the heat value of the main component methane of the natural gas is very high, if the heat is not fully utilized in the combustion process, high-temperature flue gas carries a large amount of heat to be directly discharged into the air, which not only causes great pollution to the environment, but also causes great waste to the energy.
Energy-concerving and environment-protective not only can be realized through the recovery to the gas stove waste heat, and high temperature steam is retrieved and can also reduce the temperature in the kitchen, and the energy-saving appliance of current kitchen waste heat recovery usefulness only has the function that converts waste heat recovery into hot water, and the patent that publication number is CN108980923A has provided a method and system that restaurant kitchen gas cooking utensils flue gas waste heat recovered, "its sign lies in: the smoke exhaust pipe is arranged in a smoke exhaust channel of the stove, the smoke exhaust pipe extends out of the stove body and then is connected with the water-gas type heat exchange device, the heat exchange device comprises a buffer shell, a flow equalizing plate, a fin tube type heat exchanger and a smoke exhaust pipe, the stove and the heat exchange device are integrated, the smoke exhaust pipe is arranged above the smoke exhaust pipe and comprises a smoke exhaust hood, an axial flow fan and an exhaust pipe, the exhaust pipe extends out of an outdoor … …', smoke heat in a kitchen can be effectively recovered, and the heat is stored in water to meet other heat requirements.
At present, the waste heat recovery mode only converts the recovered heat into hot water, the type of recovery and utilization is single, the weather is hot in summer, and in restaurant kitchens with more people and more cooking utensils, the smoke is recovered and discharged only by conversion, and the cooling requirement on the kitchens cannot be met, so that the heat exchange energy saver and the energy-saving cooling system are provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a heat exchange energy saver, an energy-saving cooling system and a method, which solve the problems that in the prior art, the type of kitchen waste heat recovery is single, the weather is hot in summer, and the smoke is converted, recovered and discharged only by the aid of the heat exchange energy saver and the method for reducing the temperature of the kitchen cannot meet the requirement for reducing the temperature of the kitchen in restaurants with more people and more cooking utensils.
In order to achieve the purpose, the invention is realized by the following technical scheme: a heat exchange energy saver comprises an energy saving shell, a heat exchange energy saving assembly, a heat exchange and heat recovery circulation pipeline and a heat recovery water tank, wherein the heat exchange energy saving assembly is positioned in the energy saving shell, and the heat exchange and heat recovery circulation pipeline and the heat recovery water tank are connected with the heat exchange energy saving assembly;
the top wall of the energy-saving shell is provided with a containing cavity, the thermal power generation energy-saving component is positioned in the containing cavity and comprises a plurality of semiconductor power generation sheets, radiating fins and an evaporating plate, one ends of the semiconductor power generation sheets are positioned on one surface close to the upper splitter plate, the radiating fins are connected with the other surfaces of the semiconductor power generation sheets, the evaporating plate is installed on the radiating fins, the thermal power generation energy-saving component also comprises a cooling discharge fan and a thermal insulation plate, the thermal insulation plate is positioned between the two surfaces of the semiconductor power generation sheets, one side of the energy-saving shell close to the thermal power generation energy-saving component is communicated with a flow guide cover, the side wall of the flow guide cover is provided with an air outlet, the cooling discharge fan is positioned in the air outlet and is rotatably connected with the inner wall of the air outlet, and the surface of one side of the energy-saving shell far away from the flow guide cover is provided with a plurality of air inlet holes;
the thermal power generation energy-saving assembly is externally connected with an energy storage battery, and the energy storage battery is electrically connected with the semiconductor power generation sheets of the thermal power generation energy-saving assemblies in the plurality of energy-saving devices.
Preferably, the heat transfer is retrieved circulation pipeline and is included cold water inlet tube, hot water outlet pipe and circulating water pump, circulating water pump connects on the cold water inlet tube, and the one end and the heat recovery water tank of cold water inlet tube are connected, and the other end with preheat the interchanger through inlet valve and low temperature and be connected, the one end and the heat recovery water tank of hot water outlet pipe are connected, and the other end preheats the interchanger through outlet valve and high temperature and is connected.
Preferably, the energy-saving shell further comprises an anti-dry-heating temperature detector and an interlocking controller, the anti-dry-heating temperature detector is located at the top of the upper splitter plate, the interlocking controller is respectively connected with the anti-dry-heating temperature detector and the circulating water pump, and a flow guide channel is arranged between the energy-saving shell and the stove.
A waste heat recycling energy-saving cooling system comprises a smoke exhaust hood and a cooking bench which are positioned above and below an energy-saving shell, a condensation and heat insulation assembly on one side of the cooking bench, a compressor and an exhaust fan which are arranged at the top of the smoke exhaust hood, wherein the condensation and heat insulation assembly comprises a box body, a condenser, a heat absorption water plate and auxiliary heat dissipation fins; the cooling system is characterized in that the evaporating plates in the compressor, the condenser and the energy saver are connected through a cooling circulating pipeline to form a heat absorption and cooling subsystem, the heat absorption and cooling subsystem cools one surface of the semiconductor power generation sheet far away from the upper flow distribution plate, and the motor driving end of the exhaust fan is linked with the motor driving end of the compressor through belt transmission.
Preferably, the cooling circulation pipeline of heat absorption cooling subsystem is equipped with the refrigerant, heat absorption cooling subsystem still includes the expansion valve, the liquid outlet of compressor is connected with the inlet of condenser through first refrigerant conveyer pipe, the liquid outlet of condenser passes through the second refrigerant conveyer pipe and is connected with the expansion valve, the expansion valve is connected with the inlet of evaporating plate, and is connected with the refrigerant between the liquid outlet of evaporating plate and the inlet of compressor and returns the liquid pipe.
Preferably, the air outlet end of the exhaust fan is connected with a waste hot air discharge port of the commercial gas cooker, and the heat recovery water tank is further connected with a make-up water pipe and a hot water utilization water pipe.
Preferably, the heat absorption water plate is located at one side of an internal condenser of the tank, and the auxiliary heat dissipation fins are located at the outside of the cold tank and at the other side of the condenser.
Preferably, the water inlet end of the heat absorption water plate is connected with the cold water inlet pipe through the heat absorption water inlet pipe, and the water outlet end of the heat absorption water plate is also connected with the water inlet of the low-temperature preheating exchanger through the heat absorption water return pipe.
Preferably, all be provided with the ooff valve on heat absorption inlet tube and the heat absorption wet return, the outlet end of heat absorption water board still installs the sluicing valve.
An energy-saving cooling method comprises the following steps of:
s1, when a cooker is used, smoke generated by the cooker enters an energy-saving shell through a flow guide channel, when an anti-dry-burning temperature detector detects that the temperature of the smoke discharged from an upper flow distribution plate is higher than 65 ℃, an electric shock closed circulating water pump in an interlocking controller starts to enable cold water to enter the energy-saving shell, the cold water sequentially circulates through a low-temperature preheating exchanger and a high-temperature preheating exchanger to absorb heat in the smoke and turns into hot water to be discharged into a heat recovery water tank, and when the cooker is not used and the temperature of the upper flow distribution plate is lower than 60 ℃, the interlocking controller controls the circulating water pump to be automatically closed;
s2, when the cooker is used, starting an exhaust fan to suck oil smoke generated by the cooker and smoke exhausted from the top end of an energy-saving shell into a smoke exhaust hood and exhaust the oil smoke, driving a compressor to operate through a belt while the exhaust fan rotates, compressing a refrigerant into high-temperature and high-pressure gas by the compressor, enabling the refrigerant to enter a condenser for heat dissipation, enabling the refrigerant to be changed into liquid, conveying the liquid to an expansion valve to be changed into low-temperature and low-pressure gas again, conveying the low-temperature and low-pressure gas to an evaporation plate, enabling the evaporation plate to absorb heat to cool ambient air, and enabling the liquid refrigerant to be changed into gas again and return to an air inlet end of the compressor;
s3, when the stove is used, hot air which is discharged from the upper splitter plate and is higher than 65 ℃ directly contacts the semiconductor power generation sheet to improve the temperature of one surface of the semiconductor power generation sheet, the temperature of the other surface of the semiconductor power generation sheet is reduced under the heat absorption effect of the evaporation plate, so that the temperature difference between the two surfaces of the semiconductor power generation sheet is increased to realize power generation, electric quantity is stored in the energy storage battery for later use, meanwhile, a cooling fan on one side of the evaporation plate can discharge cold air to blow the cold air to a user of a cooking bench, the cold air is cooled in summer, and meanwhile, the temperature of a kitchen is further reduced;
s4, in summer, the condenser is matched with a heat absorption water inlet pipe through a heat absorption water plate; the heat absorption wet return absorbs the heat and to hot water recycle under the effect of circulating water pump, and when winter, through ooff valve and sluicing valve with the inside water evacuation of water heat absorption water board, heat absorption inlet tube, condenser, the heat of condenser gives off to inside the box for the inside temperature of box risees and forms the insulation can, and the dish that will fry to the completion is placed in the box inside can avoid the dish to become cold fast winter.
The invention provides a heat exchange economizer, an energy-saving cooling system and a method. The method has the following beneficial effects:
1. the invention not only can collect high-temperature flue gas generated by the stove and convert the high-temperature flue gas into hot water for domestic use through heat exchange, but also can carry out thermal power generation through heat generated when the stove is used, thereby greatly improving the energy-saving effect, the flue gas and oil smoke are discharged through the exhaust fan when the stove is used, and simultaneously the exhaust fan can be linked to drive the heat absorption and cooling subsystem to operate, so that the evaporation plate absorbs the heat at one end of the semiconductor power generation sheet, thereby increasing the temperature difference at the two ends of the semiconductor power generation sheet and improving the power generation efficiency, and simultaneously, the exhaust cooling fan is matched to blow out cold air at the evaporation plate to play a role of cooling the kitchen and the kitchen, thereby not only improving the diversity of waste heat utilization, but also enabling the cooking to be more comfortable in summer.
2. The exhaust fan and the compressor are in transmission fit through the belt, so that the rotation of the compressor can be realized while the smoke of the oil smoke is exhausted, the operation of a heat absorption and cooling subsystem is realized, and the energy conservation and the environmental protection are realized.
3. Condensation in the heat absorption cooling subsystem is combined with the box body in the condensation and heat insulation component, the condenser plays a role in heat dissipation in the heat absorption cooling subsystem, a heat absorption water plate on one side of the condenser is connected with a heat exchange recovery circulating pipeline of the energy saver in summer, the dissipated heat can be converted into hot water for recovery, the heat dissipation efficiency of the condenser is improved, meanwhile, the overall refrigeration effect of the heat absorption cooling subsystem is improved, the cooling effect on a room is better, in winter, water in the heat absorption water plate is discharged, the heat of the condenser is directly dissipated into the box body, the temperature in the box body is improved, the box body is changed into a heating and heat insulation box, dishes fried to be finished are placed in the box body in winter, the dishes can be prevented from being rapidly cooled, and the multifunctional heat absorption cooling subsystem is multipurpose.
Drawings
FIG. 1 is a schematic view of a heat exchange economizer and an energy-saving cooling system according to the present invention;
FIG. 2 is a detailed view of a partial system of a heat exchange economizer and an energy-saving cooling system according to the present invention;
FIG. 3 is a sectional top view of a heat exchange economizer of the present invention;
FIG. 4 is an enlarged view of A in FIG. 2 of a heat exchange economizer and energy saving and temperature reducing system in accordance with the present invention;
fig. 5 is a connection diagram of a plurality of thermal power generation energy-saving components and an energy storage battery of the heat exchange energy saver.
Wherein, 1, a cooking bench; 2. a cooker; 3. a flow guide channel; 4. an energy-saving shell; 41. a communicating pipe; 42. an upper spreader plate; 43. a lower spreader plate; 44. a low temperature preheat exchanger; 45. a high temperature preheat exchanger; 46. a water inlet valve; 47. a water outlet valve; 48. a dry-heating prevention temperature detector; 5. a smoke exhaust hood; 6. an exhaust fan; 7. a compressor; 71. a first refrigerant delivery pipe; 72. a refrigerant return pipe; 8. a condensing and insulating assembly; 81. a box body; 82. a condenser; 83. a heat absorbing water plate; 84. auxiliary heat dissipation fins; 85. a heat absorption water inlet pipe; 86. a heat absorption water return pipe; 87. a second refrigerant delivery pipe; 9. a thermal power generation energy-saving component; 91. an accommodating chamber; 92. a semiconductor power generation chip; 93. a heat insulation plate; 94. an air outlet; 95. a cooling fan; 96. an evaporation plate; 97. an air inlet hole; 98. a heat sink; 10. an energy storage battery; 11. a heat recovery water tank; 111. a water supply pipe is supplemented; 112. a hot water utilization pipe; 131. a cold water inlet pipe; 132. a hot water outlet pipe; 12. an expansion valve; 13. a water circulating pump; 14. a dome; 15. an interlock controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 5, an embodiment of the present invention provides a heat exchange economizer, which includes an energy saving housing 4, a heat exchange energy saving component located inside the energy saving housing 4, a heat exchange recovery circulation pipeline connected to the heat exchange energy saving component, and a heat recovery water tank 11, wherein a thermal power generation energy saving component 9 is installed at a top end of the heat exchange energy saving component, the heat exchange energy saving component includes a low temperature preheating exchanger 44 and a high temperature preheating exchanger 45, an upper splitter plate 42 is installed above the low temperature preheating exchanger 44, a lower splitter plate 43 is installed below the high temperature preheating exchanger 45, and a communication pipeline 41 is provided between the low temperature preheating exchanger 44 and the high temperature preheating exchanger 45;
the top wall of the energy-saving housing 4 is provided with a containing cavity 91, the thermal power generation energy-saving assembly 9 is positioned in the containing cavity 91, the thermal power generation energy-saving assembly 9 comprises a plurality of semiconductor power generation sheets 92, a radiating fin 98 and an evaporation plate 96, one end of each of the plurality of semiconductor power generation sheets 92 is positioned on one surface close to the upper splitter plate 42, the radiating fin 98 is connected with the other surfaces of the plurality of semiconductor power generation sheets 92, the evaporation plate 96 is installed on the radiating fin 98, the thermal power generation energy-saving assembly 9 further comprises a cooling discharge fan 95 and a thermal insulation plate 93, the thermal insulation plate 93 is positioned between the two surfaces of the plurality of semiconductor power generation sheets 92, one side of the energy-saving housing 4 close to the thermal power generation energy-saving assembly 9 is communicated with a flow guide cover 14, the side wall of the flow guide cover 14 is provided with an air outlet 94, the cooling discharge fan 95 is positioned in the air outlet 94 and is rotatably connected with the inner wall of the air outlet 94, and the surface of one side of the energy-saving housing 4 far away from the flow guide cover 14 is provided with a plurality of air inlet holes 97;
the thermal power generation energy-saving assembly 9 is externally connected with an energy storage battery 10, the energy storage battery 10 is electrically connected with the semiconductor power generation sheet 92 of the thermal power generation energy-saving assembly 9 in the plurality of energy-saving devices, and the electric quantity generated by the thermal power generation energy-saving assembly 9 on the plurality of cooking benches 1 is stored in the energy storage battery 10, so that the energy-saving and environment-friendly energy-saving device can be used for other components such as the exhaust cooling fan 95.
The heat exchange recovery circulation pipeline comprises a cold water inlet pipe 131, a hot water outlet pipe 132 and a circulation water pump 13, the circulation water pump 13 is connected to the cold water inlet pipe 131, one end of the cold water inlet pipe 131 is connected to the heat recovery water tank 11, the other end of the cold water inlet pipe 131 is connected to the low-temperature preheating exchanger 44 through a water inlet valve 46, one end of the hot water outlet pipe 132 is connected to the heat recovery water tank 11, and the other end of the hot water outlet pipe is connected to the high-temperature preheating exchanger 45 through a water outlet valve 47.
The energy-saving shell 4 further comprises an anti-dry-burning temperature detector 48 and an interlocking controller 15, the anti-dry-burning temperature detector 48 is located at the top of the upper flow distribution plate 42, the interlocking controller 15 is respectively connected with the anti-dry-burning temperature detector 48 and the circulating water pump 13, a flow guide channel 3 is arranged between the energy-saving shell 4 and the stove 2 and can be controlled in a linkage mode, the temperature of an air outlet of the energy-saving shell 4 is detected through the anti-dry-burning temperature detector 48, the gas stove is proved to be started to be used when the temperature is high, and the circulating water pump 13 can be automatically started to conduct heat exchange.
Example 2:
an energy-saving cooling system comprises a smoke extraction hood 5, a cooking bench 1, a condensation and heat insulation component 8, a compressor 7 and an exhaust fan 6, wherein the smoke extraction hood 5 and the cooking bench 1 are positioned above and below an energy-saving shell 4; the compressor 7, the condenser 82 and the evaporation plate 96 in the energy saver are connected through a cooling circulation pipeline to form a heat absorption and cooling subsystem, so that the surfaces of the semiconductor power generation sheets 92, which are far away from the upper flow distribution plate 42, are cooled, and the motor driving end of the exhaust fan 6 is linked with the motor driving end of the compressor 7 through belt transmission.
The generated energy of the semiconductor power generation sheet 92 is increased along with the increase of the temperature difference, the temperature difference and the output power are in a quadratic relation, namely, the temperature difference is increased by one time, the power is increased by four times, the temperature discharged from the upper flow distribution plate 42 after the test smoke passes through the heat exchange energy-saving assembly is generally 70-90 ℃, the power generation efficiency is best when the temperature difference between two surfaces of the semiconductor power generation sheet 92 is 80-100 ℃ according to the test, the semiconductor power generation sheet 92 cannot be damaged by high temperature, the evaporation plate 96 absorbs heat and cools to keep the temperature of the other surface of the semiconductor power generation sheet 92 between 0-10 ℃, the semiconductor power generation sheet 92 can be kept in the temperature difference range with high power generation efficiency, the exhaust fan 6 drives the compressor 7 to be linked, the compressor 7 can be driven to operate while the exhaust fan 6 operates, and the power and specification of the exhaust fan 6 are selected according to the actual requirement that the exhaust fan 6 can drive the compressor 7 to operate.
The cooling circulation pipeline of the heat absorption and cooling subsystem is provided with a refrigerant, the heat absorption and cooling subsystem further comprises an expansion valve 12, a liquid outlet of the compressor 7 is connected with a liquid inlet of the condenser 82 through a first refrigerant conveying pipe 71, a liquid outlet of the condenser 82 is connected with the expansion valve 12 through a second refrigerant conveying pipe 87, the expansion valve 12 is connected with a liquid inlet of the evaporation plate 96, a refrigerant liquid return pipe 72 is connected between the liquid outlet of the evaporation plate 96 and the liquid inlet of the compressor 7, when the compressor 7 operates, the refrigerant is compressed into high-temperature high-pressure gas, enters the condenser 82 to dissipate heat, so that the refrigerant is changed into liquid, is conveyed to the expansion valve 12 to be changed into low-temperature low-pressure gas again, and is conveyed to the evaporation plate 96, the evaporation plate 96 absorbs heat to cool the ambient air, and the liquid refrigerant is changed into gas again and returns to the gas inlet end of the compressor 7.
The air outlet end of the exhaust fan 6 is connected with a waste hot air discharge port of the commercial gas cooker, the heat recovery water tank 11 is further connected with a make-up water pipe 111 and a hot water utilization water pipe 112, the make-up water pipe 111 can supply cold water to the interior of the heat recovery water tank 11 when the hot water is used so as to continue heat exchange, and the hot water utilization water pipe 112 conveys the hot water to a domestic hot water pipeline needing the water through a water pump.
The heat absorption water plate 83 is located on one side of the internal condenser 82 of the box 81, the auxiliary heat dissipation fins 84 are located on the outside of the cold box 81, the other side of the condenser 82 is located, the condenser 82 dissipates heat through the heat absorption water plate 83, the condenser 82 and the auxiliary heat dissipation fins 84 in summer, the heat absorption water plate 83 is not used in winter, heat on one side of the condenser 82 is dissipated into the box 81 to be gathered, and heat on the other side of the condenser passes through the auxiliary heat dissipation fins 84, the heat dissipation effect is reduced, namely the cooling effect of the heat absorption cooling subsystem is reduced, only the temperature for increasing the temperature difference of two sides of the semiconductor power generation sheet 92 is provided, meanwhile, the cold discharge fan 95 does not work in winter, and in addition, a pull-pull switch cover plate is further arranged at the air outlet 94.
The water inlet end of the heat absorption water plate 83 is connected with the cold water inlet pipe 131 through the heat absorption water inlet pipe 85, the water outlet end of the heat absorption water plate 83 is also connected with the water inlet of the low-temperature preheating exchanger 44 through the heat absorption water return pipe 86, the heat absorption water inlet pipe 85 and the heat absorption water return pipe 86 are both provided with a switch valve, the water outlet end of the heat absorption water plate 83 is further provided with a drain valve, in winter, the water absorption water plate 83, the heat absorption water inlet pipe 85 and the water inside the condenser 82 are emptied through the switch valve and the drain valve, the heat of the condenser 82 is dissipated to the inside of the box body 81, so that the temperature inside the box body 81 rises to form an insulation box, dishes fried to be finished in winter are placed inside the box body 81, and can be prevented from being cooled rapidly.
Example 3:
an energy-saving cooling method comprises the following steps of:
s1, when a cooker 2 is used, smoke generated by the cooker 2 enters an energy-saving shell 4 through a flow guide channel 3, when an anti-dry-burning temperature detector 48 detects that the temperature of the smoke discharged from an upper flow distribution plate 42 is higher than 65 ℃, an electric shock closed starting circulating water pump 13 in an interlocking controller 15 enables cold water to enter the energy-saving shell 4, the cold water sequentially circulates through a low-temperature preheating exchanger 44 and a high-temperature preheating exchanger 45 to absorb heat in the smoke and turns into hot water to be discharged into a heat recovery water tank 11, when the cooker 2 is not used, the temperature of the upper flow distribution plate 42 is lower than 60 ℃, the interlocking controller 15 controls the circulating water pump 13 to be automatically closed, when the temperature is high, the gas cooker is proved to be used, the circulating water pump 13 can be automatically started to exchange heat, and the situation that when the cooker is used, the circulating water pump 13 is forgotten to be turned on, and the water in the energy-saving shell 4 is dried to burn is avoided.
S2, when the cooker 2 is used, the exhaust fan 6 is started to suck oil smoke generated by the cooker 2 and smoke exhausted from the top end of the energy-saving shell 4 into the exhaust hood 5 and exhaust the oil smoke, the exhaust fan 6 rotates and drives the compressor 7 to operate through belt transmission, the compressor 7 compresses refrigerant into high-temperature high-pressure gas and enters the condenser 82 to dissipate heat so that the refrigerant is changed into liquid, the liquid is conveyed to the expansion valve 12 to be changed into low-temperature low-pressure gas again to the evaporation plate 96, the evaporation plate 96 absorbs heat to cool ambient air, the liquid refrigerant is changed into gas again and returns to the air inlet end of the compressor 7 so as to be cooled circularly, the circulating cooling is driven through the exhaust fan 6 and is more energy-saving, the circulating cooling is combined with thermal power generation and thermal insulation, the power generation temperature difference of the thermal power generation is increased through cooling, meanwhile, the temperature in a kitchen is reduced, and the condenser 82 in the circulating cooling can recover heat or collect the heat in the box 81 to form a thermal insulation box during heat dissipation.
S3, when the stove 2 is used, hot air which is discharged from the upper flow distribution plate 42 and is larger than 65 ℃ directly contacts the semiconductor power generation sheet 92 to increase the temperature of one surface of the semiconductor power generation sheet 92, the temperature of the other surface of the semiconductor power generation sheet is reduced under the heat absorption effect of the evaporation plate 96, the temperature difference between the two surfaces of the semiconductor power generation sheet 92 is increased to achieve power generation, electric quantity is stored in the energy storage battery 10 for later use, meanwhile, a cold air discharge fan 95 on one side of the evaporation plate 96 can discharge cold air which is blown to a user of the cooking bench 1 to dissipate heat in summer, the temperature of a kitchen is further reduced, heat is absorbed at the evaporation plate 96, heat is released at the condenser 82, the temperature of one end of the semiconductor power generation sheet 92 can be reduced by the heat absorption evaporation plate 96, surrounding air is cooled, the surrounding temperature can be increased by the heat dissipation condenser 82, heat exchange can be achieved by absorbing surrounding heat, and heat can be collected in the box 81 without absorbing surrounding heat.
S4, in summer, the condenser 82 is matched with a heat absorption water inlet pipe 85 through a heat absorption water plate 83; the heat absorption water return pipe 86 absorbs heat under the action of the circulating water pump 13 and recycles hot water, and in winter, the water absorption water plate 83, the heat absorption water inlet pipe 85 and water in the condenser 82 are emptied through the switch valve and the drain valve, and the heat of the condenser 82 is dissipated to the inside of the box body 81, so that the temperature in the inside of the box body 81 rises to form the heat preservation box, and dishes fried to be finished in winter are placed in the inside of the box body 81 to prevent the dishes from being cooled rapidly.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a heat exchange energy-saving appliance, includes energy-conserving shell (4), is located energy-conserving subassembly of heat transfer inside energy-conserving shell (4), the heat transfer recovery circulation line and the heat recovery water tank (11) of being connected with the energy-conserving subassembly of heat transfer, its characterized in that: the top end of the heat exchange energy-saving component is provided with a thermal power generation energy-saving component (9), the heat exchange energy-saving component comprises a low-temperature preheating exchanger (44) and a high-temperature preheating exchanger (45), an upper splitter plate (42) is arranged above the low-temperature preheating exchanger (44), a lower splitter plate (43) is arranged below the high-temperature preheating exchanger (45), and a communication pipeline (41) is arranged between the low-temperature preheating exchanger (44) and the high-temperature preheating exchanger (45);
the top wall of the energy-saving shell (4) is provided with a containing cavity (91), the thermal power generation energy-saving component (9) is located inside the containing cavity (91), the thermal power generation energy-saving component (9) comprises a plurality of semiconductor power generation sheets (92), a radiating fin (98) and an evaporating plate (96), one end of each semiconductor power generation sheet (92) is located on one surface close to the upper shunting plate (42), the radiating fin (98) is connected with the other surfaces of the semiconductor power generation sheets (92), the evaporating plate (96) is installed on the radiating fin (98), the thermal power generation energy-saving component (9) further comprises a cooling discharge fan (95) and a cooling discharge fan (93), the heat insulation plate (93) is located between the two surfaces of the semiconductor power generation sheets (92), one side, close to the thermal power generation energy-saving component (9), of the energy-saving shell (4) is communicated with a flow guide cover (14), the side wall of the flow guide cover (14) is provided with an air outlet (94), the cooling discharge fan (95) is located inside the air inlet (94) and is rotatably connected with the inner wall of the flow guide cover (94), and one side, which is far away from the surface (97) of the energy-saving shell (4) is provided with a plurality of the flow guide cover (14);
the thermal power generation energy-saving assembly (9) is externally connected with an energy storage battery (10), and the energy storage battery (10) is electrically connected with semiconductor power generation sheets (92) of the thermal power generation energy-saving assembly (9) in the plurality of energy-saving devices.
2. A heat exchange economizer as claimed in claim 1 wherein: the heat exchange and recovery circulation pipeline comprises a cold water inlet pipe (131), a hot water outlet pipe (132) and a circulation water pump (13), wherein the circulation water pump (13) is connected to the cold water inlet pipe (131), one end of the cold water inlet pipe (131) is connected with the heat recovery water tank (11), the other end of the cold water inlet pipe is connected with the low-temperature preheating exchanger (44) through a water inlet valve (46), one end of the hot water outlet pipe (132) is connected with the heat recovery water tank (11), and the other end of the hot water outlet pipe is connected with the high-temperature preheating exchanger (45) through a water outlet valve (47).
3. A heat exchange economizer as claimed in claim 2 wherein: the energy-saving shell (4) further comprises an anti-dry-burning temperature detector (48) and an interlocking controller (15), the anti-dry-burning temperature detector (48) is located at the top of the upper flow distribution plate (42), the interlocking controller (15) is connected with the anti-dry-burning temperature detector (48) and the circulating water pump (13) respectively, and a flow guide channel (3) is arranged between the energy-saving shell (4) and the stove (2).
4. An energy saving and temperature reducing system, a heat exchange economizer according to any one of claims 1-3, characterized in that: the energy-saving stove comprises a smoke exhaust hood (5) and a stove top (1) which are positioned above and below an energy-saving shell (4), a condensation and heat insulation assembly (8) arranged on one side of the stove top (1), a compressor (7) and an exhaust fan (6) which are arranged at the top of the smoke exhaust hood (5), wherein the condensation and heat insulation assembly (8) comprises a box body (81), a condenser (82), a heat absorption water plate (83) and auxiliary heat dissipation fins (84); the heat absorption and temperature reduction subsystem is formed by connecting the compressor (7), the condenser (82) and the evaporation plate (96) in the energy saver through a temperature reduction circulating pipeline, the temperature of one surface of the heat absorption and temperature reduction subsystem, which is far away from the upper flow distribution plate (42), of the plurality of semiconductor power generation sheets (92) is reduced, and linkage is realized between the motor driving end of the exhaust fan (6) and the motor driving end of the compressor (7) through belt transmission.
5. The energy-saving cooling system according to claim 4, wherein: the cooling circulation pipeline of heat absorption cooling subsystem is equipped with the refrigerant, the heat absorption cooling subsystem still includes expansion valve (12), the liquid outlet of compressor (7) is connected with the inlet of condenser (82) through first refrigerant conveyer pipe (71), the liquid outlet of condenser (82) is connected with expansion valve (12) through second refrigerant conveyer pipe (87), expansion valve (12) are connected with the inlet of evaporating plate (96), and are connected with refrigerant liquid return pipe (72) between the liquid outlet of evaporating plate (96) and the inlet of compressor (7).
6. An energy saving and temperature reducing system according to claim 5, wherein: the air outlet end of the exhaust fan (6) is connected with a waste hot air discharge port of the commercial gas cooker, and the heat recovery water tank (11) is also connected with a make-up water pipe (111) and a hot water utilization water pipe (112).
7. The energy-saving cooling system according to claim 6, wherein: the heat absorption water plate (83) is positioned at one side of an internal condenser (82) of the box body (81), the auxiliary radiating fins (84) are positioned at the outside of the cold box body (81), and the other side of the condenser (82).
8. The energy-saving cooling system according to claim 7, wherein: the water inlet end of the heat absorption water plate (83) is connected with the cold water inlet pipe (131) through the heat absorption water inlet pipe (85), and the water outlet end of the heat absorption water plate (83) is also connected with the water inlet of the low-temperature preheating exchanger (44) through the heat absorption water return pipe (86).
9. The energy-saving cooling system according to claim 8, wherein: the heat absorption water inlet pipe (85) and the heat absorption water return pipe (86) are both provided with switch valves, and the water outlet end of the heat absorption water plate (83) is also provided with a water drain valve.
10. An energy-saving cooling method is characterized in that: the method comprises the following steps of energy saving and temperature reduction:
s1, when a kitchen range (2) is used, smoke generated by the kitchen range (2) enters an energy-saving shell (4) through a flow guide channel (3), when an anti-dry-burning temperature detector (48) detects that the temperature of the smoke discharged from an upper flow distribution plate (42) is higher than 65 ℃, an electric shock closed circulating water pump (13) in an interlocking controller (15) is started to enable cold water to enter the energy-saving shell (4), the cold water sequentially circulates through a low-temperature preheating exchanger (44) and a high-temperature preheating exchanger (45) to absorb heat in the smoke and change the heat into hot water to be discharged into a heat recovery water tank (11), and when the kitchen range (2) is not used and the temperature of the upper flow distribution plate (42) is lower than 60 ℃, the interlocking controller (15) controls the circulating water pump (13) to be automatically closed;
s2, when the stove (2) is used, starting an exhaust fan (6) to suck oil smoke generated by the stove (2) and smoke exhausted from the top end of an energy-saving shell (4) into a smoke exhaust hood (5) and exhaust the oil smoke and the smoke, driving a compressor (7) to operate through a belt while the exhaust fan (6) rotates, enabling a refrigerant to enter an evaporation plate (96) through the compressor (7), a condenser (8) and an expansion valve (12) to absorb heat, and enabling the evaporation plate (96) to absorb heat to cool surrounding air;
s3, when the stove (2) is used, hot air which is discharged from the upper splitter plate (42) and is higher than 65 ℃ directly contacts the semiconductor power generation sheet (92) to increase the temperature of one surface of the semiconductor power generation sheet (92), the other surface of the hot air is cooled under the heat absorption effect of the evaporation plate (96), so that the temperature difference between the two surfaces of the semiconductor power generation sheet (92) is increased to realize power generation, electric quantity is stored in the energy storage battery (10) for standby, meanwhile, a cooling fan (95) on one side of the evaporation plate (96) can discharge cold air to blow to a user of the stove (1), the cold air is dissipated in summer, and meanwhile, the temperature of a kitchen is further reduced;
s4, in summer, the condenser (82) is matched with a heat absorption water inlet pipe (85) through a heat absorption water plate (83); the heat absorption return pipe (86) absorbs heat and recycles hot water under the effect of circulating water pump (13), when winter, through ooff valve and sluicing valve with water heat absorption water board (83), heat absorption inlet tube (85), the inside water evacuation of condenser (82), the heat of condenser (82) gives off to inside box (81), make the inside temperature of box (81) rise and form the insulation can, the dish that will fry to the completion is placed in box (81) inside can avoid the dish to become cold fast winter.
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