An energy-saving heating furnace with efficient cooling waste heat recovery technology

Abstract

This invention provides an energy-saving heating furnace with efficient waste heat recovery technology, comprising a heating main body and a waste heat recovery system. The heating main body includes a casing and a heating module. The casing has an upper air duct and a lower air duct. The heating module includes several heating film assemblies, each containing an electromagnetic heating cylinder and an electromagnetic heating core. The waste heat recovery system includes a heat treatment chamber and a waste heat recovery module. The heat treatment chamber is equipped with a first air valve, a second air valve, a third air valve, and a fourth air valve. The waste heat recovery module includes a refrigerant heat exchange circulation system and an air-cooling system. The air-cooling system includes an evaporator and a fan. The electromagnetic heating core includes a heat pipe radiator. The refrigerant heat exchange circulation system supplies refrigerant to the refrigerant pipes and evaporator and circulates and cools the refrigerant, rapidly cooling and recovering heat from inside the equipment, lowering the ambient temperature inside the equipment to a lower level, and utilizing the internal heat of the equipment to improve energy efficiency.

Description

Technical Field

[0001] This invention relates to the field of heating furnace technology, and more particularly to an energy-saving heating furnace with efficient cooling waste heat recovery technology. Background Technology

[0002] With my country's vigorous promotion of energy conservation, development of a circular economy, and construction of a resource-saving and environmentally friendly society, the energy-saving and environmental protection industry has experienced rapid development. Traditional coal-fired boilers have been largely replaced by energy-saving and environmentally friendly products such as electromagnetic heating boilers and heat pumps. Electromagnetic heating boilers are highly efficient and energy-saving products. They heat water in a heating system to provide indoor heating. They utilize electromagnetic induction heating technology, which has high conversion efficiency. However, a small portion of electrical energy is still consumed as heat by the operating components and electromagnetic coils. Electromagnetic heating boiler cores generally use either air cooling or water cooling. Water cooling is generally more effective than air cooling, but the electronic components still operate at higher temperatures, and the heated cooling water is not easily utilized. As high-power heating boilers, especially when several electromagnetic coil heating systems work together, the heat generated is considerable and cannot be ignored. Such a large amount of heat, if not properly managed, can affect the equipment's lifespan. However, if fully and rationally utilized, it can not only extend the equipment's lifespan but also further improve its energy conversion efficiency, making the product more energy-efficient. Summary of the Invention

[0003] The problem to be solved by the present invention is to provide an energy-saving heating furnace with efficient cooling waste heat recovery technology, which can quickly cool and recover the heat inside the equipment, reduce the ambient temperature inside the equipment to a lower temperature, and utilize the heat inside the equipment to improve the energy-saving effect.

[0004] To solve the above-mentioned technical problems, an energy-saving heating furnace with efficient cooling waste heat recovery technology provided by this invention is proposed. The furnace includes a heating main body and a cooling waste heat recovery system. The heating main body includes a casing and a heating module. The casing includes a heating box body with one open end and an air duct partition module. The air duct partition module includes several L-shaped partitions, each L-shaped partition including a bottom plate and side plates. Through holes are distributed on both the bottom and side plates. Several bottom plates are spliced ​​together to divide the interior of the heating box body into an upper air duct and a lower air duct. Several side plates divide the upper air duct into several heating chambers. The heating module includes several heating film assemblies, each heating film assembly including an electromagnetic heating cylinder disposed in a heating chamber and an electromagnetic heating core disposed in the lower air duct and corresponding to the electromagnetic heating cylinder. The cooling waste heat recovery system includes components assembled in the opening of the heating box body... The heat treatment chamber and the cooling waste heat recovery module are located at the ends of the heat treatment chamber and the heating chamber. The side wall adjacent to the opening end of the heat treatment chamber and the heating chamber is equipped with a first air valve and a second air valve, which lead to the upper air duct and the lower air duct, respectively. The top wall and the bottom wall of the heat treatment chamber are equipped with a third air valve and a fourth air valve, respectively. The cooling waste heat recovery module includes a refrigerant heat exchange circulation system and an air-cooling system. The air-cooling system includes an evaporator installed in the heat treatment chamber and dividing the interior of the heat treatment chamber into an air inlet chamber and an air outlet chamber, and a fan installed in the air outlet chamber. The first air valve leads to the air inlet chamber. The electromagnetic heating core includes a heat pipe radiator. A refrigerant pipe is connected in series between the input and output ends of several heat pipe radiators. The refrigerant heat exchange circulation system can supply refrigerant to the refrigerant pipe and the evaporator and circulate and cool the refrigerant.

[0005] Preferably, the refrigerant heat exchange circulation system includes an economizer, a gas-liquid separator, a compressor, and a high-efficiency tank installed in the air inlet chamber. After being cooled by the high-efficiency tank, the refrigerant is delivered to the economizer. After being cooled by the economizer, the refrigerant is delivered to the evaporator and then to the heat pipe radiator via refrigerant pipes. After passing through the heat pipe radiator, the refrigerant is delivered to the gas-liquid separator via refrigerant pipes. After the gas-liquid separator removes moisture, the refrigerant is delivered to the compressor. After being compressed by the compressor, the refrigerant is delivered to the high-efficiency tank. The high-efficiency tank can supply the heat of the refrigerant to the heating chilled water system.

[0006] Preferably, the refrigerant heat exchange circulation system also includes an expansion valve, which reduces the pressure of the refrigerant as it flows from the economizer to the heat pipe radiator.

[0007] Preferably, the heating film assembly further includes an inlet pipe and an outlet pipe disposed in the upper air duct, the input end of the electromagnetic heating cylinder is connected to the inlet pipe, the output end of the electromagnetic heating cylinder is connected to the outlet pipe, the inlet pipe is connected to the outlet interface of the heating and cold water system, and the outlet pipe is connected to the inlet interface of the heating and cold water system.

[0008] Preferably, the evaporator is configured in an arc shape that protrudes toward the first air valve.

[0009] Preferably, an arc-shaped guide plate facing the second air valve is provided at the bottom of the air outlet chamber.

[0010] The beneficial effects of this invention are as follows: This invention provides an energy-saving heating furnace with efficient waste heat recovery technology. By setting up an upper and lower air duct in the heating chamber, and installing a waste heat recovery module with a refrigerant heat exchange circulation system and an air-cooling system, the refrigerant heat exchange circulation system can supply refrigerant to the refrigerant pipes and evaporator and circulate and cool the refrigerant. When the first and second air valves are opened, the equipment is in an internal circulation state. A fan drives the airflow inside the equipment to circulate between the air inlet chamber, evaporator, air outlet chamber, lower air duct, and upper air duct. This removes heat from the upper and lower air ducts and allows it to be absorbed by the evaporator. The refrigerant can cool the evaporator, ensuring that the air inside the equipment is circulated and cooled. When the third and fourth air valves are opened, the equipment is in an external circulation state. In the circulating state, the hot air around the equipment is driven by a fan into the air inlet chamber through the third air valve. The hot air is cooled as it passes through the evaporator, and then discharged through the air outlet chamber and the fourth air valve, which can reduce the temperature of the boiler room. When the refrigerant heat exchange circulation system delivers refrigerant to the refrigerant pipes, the refrigerant can carry away the heat from the heat pipe radiator, thereby reducing the temperature of the electromagnetic heating core. This allows electronic components to operate at a lower temperature for a longer period of time, extending their service life. After the refrigerant on the evaporator absorbs heat, the refrigerant heat exchange circulation system can use this heat to heat the heating chilled water system. The refrigerant is circulated and cooled, which can increase the temperature of the heating water. This utilizes excess heat, effectively reducing equipment energy consumption and improving energy efficiency. Attached Figure Description

[0011] Figure 1 A schematic diagram illustrating the external structure of the present invention is shown.

[0012] Figure 2 A cross-sectional view in the width direction of the chassis of the present invention is shown as an example.

[0013] Figure 3 A cross-sectional view along the length of the chassis of the present invention is shown as an example.

[0014] Figure 4 A schematic diagram illustrating the flow direction of the refrigerant-cooled electromagnetic heating core of the present invention is shown.

[0015] Figure 5 A schematic diagram illustrating the airflow direction of the internal circulation duct of the present invention is shown.

[0016] Figure 6 A schematic diagram illustrating the flow direction of the external circulation air duct of the present invention is shown.

[0017] Figure 7 A schematic diagram illustrating the airflow direction of the internal circulation duct of the present invention is shown.

[0018] Figure 8A schematic diagram illustrating the airflow direction of the internal circulation duct of the present invention is shown.

[0019] Reference numerals: 10. Main heating unit; 11. Chassis; 110. Heating box; 12. L-shaped partition; 120. Bottom plate; 121. Side plate; 13. Upper air duct; 14. Lower air duct; 15. Heating chamber; 16. Electromagnetic heating cylinder; 160. Water inlet pipe; 161. Water outlet pipe; 17. Electromagnetic heating core; 170. Heat pipe radiator; 171. Refrigerant pipeline; 20. Cooling waste heat recovery system; 21. Heat treatment box; 210. First air valve; 211. Second air valve; 212. Third air valve; 213. Fourth air valve; 22. Refrigerant heat exchange circulation system; 22. Economizer; 220. Gas-liquid separator; 221. Compressor; 222. High-efficiency tank; 223. Air-cooled system; 23. Evaporator; 230. Fan; 231. Air inlet chamber; 24. Air outlet chamber; 25. Arc-shaped guide plate; 26. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this disclosure.

[0021] Based on the embodiments described in this disclosure, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this disclosure.

[0022] refer to Figures 1-8 .

[0023] This invention provides an energy-saving heating boiler with efficient waste heat recovery technology, comprising a heating body 10 and a waste heat recovery system 20. The heating body 10 includes a casing 11 and a heating module. The casing 11 includes a heating box 110 with one open end and an air duct partition module. The air duct partition module includes several L-shaped partitions 12. Each L-shaped partition 12 includes a bottom plate 120 and side plates 121. Through holes are distributed on both the bottom plate 120 and the side plates 121. Several bottom plates 120 are assembled... The heating box 110 is internally divided into an upper air duct 13 and a lower air duct 14. Several side panels 121 divide the upper air duct 13 into several heating chambers 15. The heating module includes several heating film assemblies. Each heating film assembly includes an electromagnetic heating cylinder 16 disposed in the heating chamber 15 and an electromagnetic heating core 17 disposed in the lower air duct 14 and corresponding to the electromagnetic heating cylinder 16. The cooling waste heat recovery system 20 includes a heat treatment box 21 assembled at one end of the opening of the heating box 110 and a cold... The waste heat recovery module includes a first air valve 210 and a second air valve 211 on one side wall adjacent to the opening end of the heat treatment box 21 and the heating box 110, respectively leading to the upper air duct 13 and the lower air duct 14. A third air valve 212 and a fourth air valve 213 are respectively installed on the top and bottom walls of the heat treatment box 21. The cooling waste heat recovery module includes a refrigerant heat exchange circulation system 22 and an air-cooling system 23. The air-cooling system 23 includes components installed in the heat treatment box 21 that... The heat treatment chamber 21 contains an evaporator 230 divided into an air inlet chamber 24 and an air outlet chamber 25, a fan 231 located in the air outlet chamber 25, a first air valve 210 leading to the air inlet chamber 24, an electromagnetic heating core 17 including a heat pipe radiator 170, and a refrigerant pipe 171 connected in series between the input and output ends of several heat pipe radiators 170. The refrigerant heat exchange circulation system 22 can supply refrigerant to the refrigerant pipe 171 and the evaporator 230 and circulate and cool the refrigerant.

[0024] Its working principle is as follows: by setting up an upper air duct 13 and a lower air duct 14 in the heating box 110, and setting up a cooling waste heat recovery module with a refrigerant heat exchange circulation system 22 and an air-cooling system 23, the refrigerant heat exchange circulation system 22 can supply refrigerant to the refrigerant pipe 171 and the evaporator 230 and circulate and cool the refrigerant. When the first air valve 210 and the second air valve 211 are opened, the equipment is in an internal circulation state. The fan 231 drives the airflow inside the equipment to circulate between the air inlet chamber 24, the evaporator 230, the air outlet chamber 25, the lower air duct 14, and the upper air duct 13. The heat in the upper air duct 13 and the lower air duct 14 can be carried away and absorbed by the evaporator 230. The refrigerant can cool the evaporator 230, ensuring that the air inside the equipment can be circulated and cooled. When the third air valve 212 and the fourth air valve 213 are opened, the equipment is in an external circulation state. In the process of heating the boiler room, the hot air around the equipment is driven by the fan 231 and enters the air inlet chamber 24 through the third air valve 212. The hot air is cooled when it passes through the evaporator 230. The cooled air is then discharged through the air outlet chamber 25 and the fourth air valve 213, which can reduce the temperature of the boiler room. When the refrigerant heat exchange circulation system 22 delivers refrigerant to the refrigerant pipe 171, the refrigerant can carry away the heat from the heat pipe radiator 170, thereby reducing the temperature of the electromagnetic heating core 17. This allows the electronic components to work at a lower temperature for a long time, extending the service life of the electronic components. After the refrigerant on the evaporator 230 absorbs heat, the refrigerant heat exchange circulation system 22 can use this heat to heat the heating chilled water system. The refrigerant is circulated and cooled, which can increase the temperature of the heating water. The excess heat is utilized, effectively reducing equipment energy consumption and improving energy efficiency.

[0025] Based on the above embodiments, the refrigerant heat exchange cycle system 22 includes an economizer 220, a gas-liquid separator 221, a compressor 222, and a high-efficiency tank 223 disposed in the air inlet chamber 24. After being cooled by the high-efficiency tank 223, the refrigerant is transported to the economizer 220. After being cooled by the economizer 220, the refrigerant is transported to the evaporator 230 and then to the heat pipe radiator 170 via the refrigerant pipeline 171. After passing through the heat pipe radiator 170, the refrigerant is transported to the gas-liquid separator 221 via the refrigerant pipeline 171. After the refrigerant has moisture removed by the gas-liquid separator 221, it is transported to the compressor 222. After being compressed by the compressor 222, the refrigerant is transported to the high-efficiency tank 223. The high-efficiency tank 223 can supply the heat of the refrigerant to the heating chilled water system. Specifically, the refrigerant, after heat exchange in the high-efficiency tank 223, flows into the economizer 220. After exiting the economizer, it splits into two paths: one flows through a pipe to the evaporator 230, and the other flows through refrigerant pipe 171 into the heat pipe radiator 170 of the electromagnetic heating core 17. Through heat conduction, it rapidly absorbs and carries away the heat generated by the electronic components on the electromagnetic heating core 17. The refrigerant, after absorbing heat, flows through the gas-liquid separator 221, where moisture is filtered out. It then goes to the compressor 222 for compression. The refrigerant then flows through the high-efficiency tank 223 to exchange heat with the heating chilled water system. The heat from the refrigerant is absorbed by the cold water in the system, turning it into hot water. The refrigerant, after heat exchange, flows out of the high-efficiency tank 223 and the economizer, and then re-enters the heat pipe radiator 170 to absorb heat, continuously circulating in this cycle. The heat generated by the electronic components on the electromagnetic heating core 17 during operation is quickly absorbed and carried away by the refrigerant, allowing the electronic components on the electromagnetic heating core 17 to operate at a lower temperature for a long time, thus extending the service life of the electronic components. At the same time, this heat can be converted into the refrigerant for reuse.

[0026] Based on the above embodiments, the refrigerant heat exchange cycle system 22 also includes an expansion valve. When the refrigerant flows from the economizer 220 to the heat pipe radiator 170, it is depressurized by the expansion valve. After flowing through the economizer 220, the refrigerant passes through the expansion valve, which depressurizes the refrigerant before it flows to the heat pipe radiator 170. The expansion valve can convert the liquid refrigerant into low-pressure wet vapor and also plays a throttling role.

[0027] Based on the above embodiments, the heating membrane assembly further includes an inlet pipe 160 and an outlet pipe 161 disposed in the upper air duct 13. The input end of the electromagnetic heating cylinder 16 is connected to the inlet pipe 160, and the output end of the electromagnetic heating cylinder 16 is connected to the outlet pipe 161. The inlet pipe 160 is connected to the outlet interface of the heating cold water system, and the outlet pipe 161 is connected to the inlet interface of the heating cold water system. Specifically, cold water in the heating cold water system is input into each electromagnetic heating cylinder 16 through the inlet pipe 160. When the electromagnetic heating cylinder 16 is working, it heats the cold water. The heated water is then output to the heating cold water system through the outlet pipe 161, and the heating cold water system then supplies hot water to the room.

[0028] Based on the above embodiments, the evaporator 230 is configured as an arc protruding towards the first air valve 210, which can increase the area of ​​the evaporator 230 and improve the cooling efficiency of the air.

[0029] Based on the above embodiments, the bottom of the air outlet chamber 25 is provided with an arc-shaped guide plate 26 facing the second air valve 211. When the equipment is in the internal circulation state, the air flowing through the air outlet chamber 25 is guided to the downdraft duct 14 when it passes through the arc-shaped guide plate 26, which can reduce wind resistance and improve ventilation effect.

[0030] The above embodiments are merely descriptions of preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. An energy-saving heating stove with high-efficiency cooling waste heat recovery technology, comprising a heating main body, a cooling waste heat recovery system, characterized in that, The heating main body comprises a cabinet, a heating module, the cabinet comprises a heating cabinet with one end opening, a duct partition module, the duct partition module comprises a plurality of L-shaped partitions, the L-shaped partitions comprise a bottom plate and a side plate, a plurality of through holes are distributed on the bottom plate and the side plate, a plurality of the bottom plates are spliced to partition the inside of the heating cabinet into an upper duct and a lower duct, a plurality of the side plates partition the upper duct into a plurality of heating chambers, the heating module comprises a plurality of heating film groups, the heating film groups comprise electromagnetic heating cylinders arranged in the heating chambers and electromagnetic heating cores arranged in the lower duct corresponding to the electromagnetic heating cylinders; the cooling waste heat recovery system comprises a heat treatment cabinet assembled at one end of the heating cabinet opening, a cooling waste heat recovery module, a side wall of the heat treatment cabinet adjacent to the opening end of the heating cabinet is provided with a first air valve and a second air valve respectively leading to the upper duct and the lower duct, a third air valve and a fourth air valve are respectively arranged on the top wall and the bottom wall of the heat treatment cabinet, the cooling waste heat recovery module comprises a refrigerant heat exchange circulation system and an air cooling system, the air cooling system comprises an evaporator arranged in the heat treatment cabinet and partitioning the inside of the heat treatment cabinet into an air inlet chamber and an air outlet chamber, and a fan arranged in the air outlet chamber, the first air valve leads to the air inlet chamber, the electromagnetic heating core comprises a heat pipe radiator, a refrigerant pipeline is connected in series between the input end and the output end of a plurality of the heat pipe radiators, and the refrigerant heat exchange circulation system can supply refrigerant to the refrigerant pipeline and the evaporator and circulate the refrigerant.

2. The energy-saving heating stove with high-efficiency cooling and waste heat recovery technology according to claim 1, characterized in that, The refrigerant heat exchange circulation system comprises an economizer, a gas-liquid separator, a compressor and a high-efficiency tank arranged in the air inlet chamber, refrigerant is transported to the economizer after being cooled by the high-efficiency tank, refrigerant is transported to the evaporator and the heat pipe radiator through the refrigerant pipeline after being refrigerated by the economizer, refrigerant is transported to the gas-liquid separator through the refrigerant pipeline after passing through the heat pipe radiator, refrigerant is transported to the compressor after removing moisture by the gas-liquid separator, and refrigerant is transported to the high-efficiency tank after being compressed by the compressor, and the high-efficiency tank can supply heat of the refrigerant to a heating and cold water system.

3. The energy-saving heating stove with high-efficiency cooling and waste heat recovery technology according to claim 2, characterized in that, The refrigerant heat exchange circulation system further comprises an expansion valve, and refrigerant passing through the economizer to the heat pipe radiator passes through the expansion valve for pressure reduction.

4. The energy-saving heating stove with high-efficiency cooling and waste heat recovery technology according to claim 3, characterized in that, The heating film group further comprises a water inlet pipe and a water outlet pipe arranged in the upper duct, the input end of the electromagnetic heating cylinder is communicated with the water inlet pipe, the output end of the electromagnetic heating cylinder is communicated with the water outlet pipe, the water inlet pipe is communicated with a water outlet interface of the heating and cold water system, and the water outlet pipe is communicated with a water inlet interface of the heating and cold water system.

5. The energy-saving heating stove with high-efficiency cooling and waste heat recovery technology according to claim 4, characterized in that, The evaporator is arranged in an arc shape protruding to the side of the first air valve.

6. The energy-saving heating stove with high-efficiency cooling and waste heat recovery technology according to claim 5, characterized in that, An arc-shaped guide plate is arranged at the bottom of the air outlet chamber and faces the second air valve.

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