CN217520289U - System for supplying multiple energy sources by utilizing waste heat - Google Patents
System for supplying multiple energy sources by utilizing waste heat Download PDFInfo
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- CN217520289U CN217520289U CN202221000307.8U CN202221000307U CN217520289U CN 217520289 U CN217520289 U CN 217520289U CN 202221000307 U CN202221000307 U CN 202221000307U CN 217520289 U CN217520289 U CN 217520289U
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Abstract
The utility model relates to a system for utilize waste heat supply multiple energy, include: the device comprises a bearing atmosphere furnace, a temperature difference power generation device, a heat exchanger and a cooling mechanism; a high-temperature flue gas outlet of the bearing atmosphere furnace is communicated with a flue gas inlet of the temperature difference power generation device; the heat exchanger is communicated with a flue gas outlet of the temperature difference power generation device and performs heat exchange; two ends of a cold electrode of the thermoelectric power generation device respectively form a circulating circulation loop with the cooling mechanism; the over-temperature-difference power generation device converts high-temperature flue gas of the bearing atmosphere furnace into high-quality electric energy, and the cooling mechanism with the circulating circulation loop can provide domestic hot water and air-conditioning hot water by matching with the heat exchanger, so that the plant expenditure is saved and the heat energy is stably supplied; the cascade utilization of the waste heat is realized, various forms of energy are supplied, and the utilization efficiency of the waste heat is improved.
Description
Technical Field
The utility model relates to a waste heat utilization technology field especially relates to a system for utilize multiple energy of used heat supply.
Background
The bearing parts need to be subjected to heat treatment in the production process, and an atmosphere furnace is a common treatment device. Set up gas heat-radiating tube in the furnace both sides of atmosphere stove and heat the work piece, the exhaust gas temperature of radiant tube can be about 200 ℃, because the quality of used heat is not high, often directly discharges in the environment and goes. The low-grade thermal thermoelectric power generation is a thermoelectric power generation mode based on the thermoelectric power generation principle and generates current by means of different temperature differences on two sides of a power generation piece. The thermal design of the generator in the thermoelectric power generation system is one of the important factors influencing the power generation efficiency, in order to keep higher temperature difference, a heat dissipation device is often added at the low-temperature end of the generator, so that the heat can be dissipated in time, and a feasible way is to apply circulating water to cool in the thermoelectric power generation system. The bearing factory belongs to labor-intensive enterprises, workers need to use a large amount of domestic hot water, and the boiler is independently arranged to prepare hot water, so that the investment and the operating cost are increased, and the energy-saving requirement of energy gradient utilization is not met. The factory needs to use the radiator to supply heat in winter, and supplies heat from a municipal heat supply network, so that the daily expenditure of the factory is increased. At present, a system which can effectively integrate the prior waste heat utilization technology and can supply power and provide heat energy to the outside is lacked.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in overcoming the insufficient defect of atmosphere stove waste heat utilization among the prior art to a system of utilizing used heat to supply multiple energy is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a system for supplying a plurality of energy sources using waste heat, comprising: the device comprises a bearing atmosphere furnace, a temperature difference power generation device, a heat exchanger and a cooling mechanism;
a high-temperature flue gas outlet of the bearing atmosphere furnace is communicated with a flue gas inlet of the temperature difference power generation device;
the heat exchanger is communicated with a flue gas outlet of the temperature difference power generation device and performs heat exchange;
and two ends of a cold electrode of the temperature difference power generation device respectively form a circulating circulation loop with the cooling mechanism.
Preferably, the thermoelectric generation device comprises a thermoelectric generation sheet group, a heating part and a cooling part,
the thermoelectric power generation sheet group is connected with the heating part and the cooling part;
the heating part is provided with a first air inlet and a first air outlet, the high-temperature flue gas outlet is communicated with the first air inlet,
the heat exchanger is provided with a second air inlet, and the first air outlet is communicated with the second air inlet.
Preferably, the heat exchanger is further provided with a second air outlet, and the second air outlet is communicated with the outside and used for exhaust emission.
Preferably, the cooling part includes a first water inlet and a first water outlet,
the cooling mechanism comprises a cooling tower, the cooling tower is provided with a second water inlet and a second water outlet,
the first water inlet is communicated with the second water outlet through a first cooling water pipe, and the first water outlet is communicated with the second water inlet through a second cooling water pipe to form a circulating loop.
Preferably, the cooling mechanism further comprises a cooling water pump, and the cooling water pump is connected to the first cooling water pipe and is located between the first water inlet and the second water outlet.
Preferably, the water cooling system further comprises a water temperature detector, wherein the water temperature detector is arranged on the second cooling water pipe and is close to the first water outlet;
the water temperature detector is in communication connection with the cooling water pump, and the cooling water pump controls the running power based on detection data of the water temperature detector.
Preferably, the heat exchanger comprises a third water inlet,
the third water inlet is connected with the second cooling water pipe in a break-make mode through a third cooling water pipe, and the third cooling water pipe is located between the first water outlet and the second water inlet.
Preferably, a first control valve is further arranged on the third cooling water pipe.
Preferably, the water storage tank is further provided with a water inlet pipe and a water outlet pipe,
the heat exchanger also comprises a third water outlet which is communicated with the water inlet pipe and the water outlet pipe; the water inlet and outlet pipe is communicated with the user side; and a second control valve is arranged on the water inlet and outlet pipe and is close to the user side.
Preferably, a liquid level measurer is further arranged in the water storage tank, the liquid level measurer is in communication connection with the first control valve, and the first control valve controls the flow of cooling water in the third cooling water pipe according to detection data of the liquid level measurer.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the technical scheme provides a system for supplying various energy sources by utilizing waste heat,
1. the high-temperature flue gas of the bearing atmosphere furnace is converted into high-quality electric energy through the temperature difference power generation device, so that waste heat is utilized in a cascade mode, various forms of energy are supplied, and the utilization efficiency of the waste heat is improved;
2. the cooling mechanism with the circulating loop can provide domestic hot water and air-conditioning hot water by matching with the heat exchanger, thereby saving the expense of factories and simultaneously stably supplying heat energy;
3. the system operation can be automated through the detector, and convenience and reliability are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a system for supplying multiple energy sources using waste heat according to an embodiment of the present invention.
Description of reference numerals:
1. a bearing atmosphere furnace; 11. a high-temperature flue gas outlet;
2. a thermoelectric power generation device; 21. a thermoelectric power generation sheet set; 22. a heating section; 221. a first air inlet; 222. a first air outlet; 23. a cooling section; 231. a first water inlet; 232. a first water outlet;
3. a heat exchanger; 31. a second air inlet; 32. a second air outlet; 33. a third water inlet; 34. a third water outlet;
4. a cooling mechanism; 41. a cooling tower; 411. a second water inlet; 412. a second water outlet; 42. a cooling water pump;
5. a first cooling water pipe;
6. a second cooling water pipe; 61. a water temperature detector;
7. a third cooling water pipe; 71. a first control valve;
8. a water storage tank; 81. a water inlet pipe and a water outlet pipe; 82. a liquid level measurer; 83. a second control valve;
9. and (4) a user side.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An embodiment of the present invention provides a system for supplying multiple energy sources by using waste heat, as shown in fig. 1, including: the device comprises a bearing atmosphere furnace 1, a temperature difference power generation device 2, a heat exchanger 3 and a cooling mechanism 4; the bearing atmosphere furnace 1 is used for carrying out heat treatment on bearing parts in the production process, and the temperature difference power generation device 2 is a power generation device which directly converts heat energy into electric energy by adopting a thermocouple principle; the heat exchanger 3 is used for transferring heat to the cold fluid, preferably, the heat exchanger 3 is an anticorrosive high-efficiency heat exchanger 3 in the embodiment; the cooling mechanism 4 is used for circularly cooling the thermoelectric generation device 2; specifically, the high temperature exhanst gas outlet 11 of bearing atmosphere stove 1 communicates with thermoelectric generation device 2's flue gas inlet for receive and deposit bearing atmosphere stove 1 and carry out the heat that thermal treatment produced and direct conversion for the electric energy, heat exchanger 3 communicates with thermoelectric generation device 2's exhanst gas outlet, be used for carrying out the heat exchange to the high temperature flue gas of thermoelectric generation device 2 exhanst gas outlet, and get rid of waste gas, the both ends of thermoelectric generation device 2's cold pole form the return circuit of circulation with cooling body 4 respectively, be used for carrying out cooling treatment to the thermoelectric generation device 2 who deposits high temperature flue gas.
The high-temperature flue gas of the bearing atmosphere furnace 1 is converted into high-quality electric energy through the temperature difference power generation device 2, the cascade utilization of the waste heat is realized, various forms of energy are supplied, and the utilization efficiency of the waste heat is improved.
Specifically, the thermoelectric power generation device 2 further comprises a power generation sheet group, a heating part 22 and a cooling part 23; the power generating sheet set generates voltage by using temperature difference, and the voltage is adjusted according to the temperature difference; the heating part 22 is used for circulating high-temperature flue gas generated by the bearing atmosphere furnace 1, the cooling part 23 is used for matching and cooling the heating part 22, and further, the thermoelectric generation sheet group 21 is respectively connected with the heating part 22 and the cooling part 23, so that the thermoelectric generation sheet group can generate voltage by utilizing the temperature difference between the heating part 22 and the cooling part 23, waste heat is converted into high-quality electric energy, and the resource utilization rate is improved; furthermore, the heating part 22 is provided with a first air inlet 221 and a first air outlet 222, the first air inlet 221 is used for flowing the high-temperature flue gas of the bearing atmosphere furnace 1, that is, the first air inlet 221 is communicated with the high-temperature flue gas outlet 11 of the bearing atmosphere furnace 1; the heat exchanger 3 is provided with a second air inlet 31, and the second air inlet 31 is used for collecting the waste heat for heat exchange treatment, so the first air outlet 222 is communicated with the second air inlet 31.
Specifically, the heat exchanger 3 is further provided with a second air outlet 32, the second air outlet 32 is used for discharging waste gas after heat exchange treatment, and the second air outlet 32 is directly communicated with the outside, so that waste gas discharge is facilitated.
Specifically, the cooling portion 23 includes a first water inlet 231 and a first water outlet 232, the first water inlet 231 is used for cooling water to enter, and the first water outlet 232 is used for discharging the cooling water after the cooling operation is completed; and the cooling mechanism 4 comprises a cooling tower 41, the cooling tower 41 is used for storing cooling water; the cooling tower 41 is provided with a second water inlet 411 and a second water outlet 412, the second water inlet 411 is used for collecting the cooling water after the cooling work is finished, and the second water outlet 412 is used for collecting and re-cooling the cooling water after the cooling work is finished, so that the cooling water is recycled; further, the first water inlet 231 is communicated with the second water outlet 412 through the first cooling water pipe 5, so that cooling water in the cooling tower 41 can enter the cooling portion 23, the first water outlet 232 is communicated with the second water inlet 411 through the second cooling water pipe 6, so that the cooling water after the cooling operation is finished can enter the cooling tower 41 for cooling, and the first cooling water pipe 5 and the second cooling water pipe 6 form a circulating loop.
And the cooling mechanism 4 with a circulation loop can provide domestic hot water and air-conditioning hot water by matching with the heat exchanger 3, thereby saving the cost of a factory, simultaneously stably supplying heat energy, facilitating the circulation and the reutilization of cooling water and avoiding the waste of the cooling water.
Specifically, the cooling mechanism 4 further comprises a cooling water pump 42, and the cooling water pump 42 is used for conveying cooling water and has a circulating pressurization effect; the cooling water pump 42 is connected to the second cooling water pipe 6 and located between the first water inlet 231 and the second water outlet 412, so that the cooling water in the cooling tower 41 is conveniently delivered from the second water outlet 412 to the first water inlet 231 of the cooling unit 23, and the cooling unit 23 is cooled.
Specifically, the system for supplying multiple energy sources by using waste heat further comprises a water temperature detector 61, wherein the water temperature detector 61 is arranged on the second cooling water pipe 6 and is close to the first water outlet 232, so that the temperature of the cooling water discharged from the first water outlet 232 can be conveniently measured, and the water temperature detector 61 is provided with a comparison value, so that the measured data and the comparison value can be conveniently compared; it should be noted that the water temperature detector 61 is also in communication with the cooling water pump 42, and the water temperature detector 61 can send a control signal to the cooling water pump 42 according to the measured and processed data, so as to control the operation power of the cooling water pump 42.
Therefore, in the present embodiment, the cooling water pump 42 is an automatic frequency conversion cooling water pump 42 controlled by a temperature signal.
When the temperature of the cooling water discharged from the first water outlet 232 measured by the water temperature detector 61 is higher than the comparison value, a control command is sent to the cooling water pump 42, so that the cooling water pump 42 improves the running power and accelerates the circulation of the cooling water; when the temperature of the cooling water discharged from the first water outlet 232 measured by the water temperature detector 61 is equal to or lower than the comparison value, a control command is sent to the cooling water pump 42, so that the cooling water pump 42 reduces the operating power and slows down the circulation of the cooling water, thereby achieving the effect of energy conservation.
Specifically, the heat exchanger 3 further comprises a third water inlet 33, and the third water inlet 33 is connected with the second cooling water pipe 6 through a third cooling water pipe 7 in a switchable manner and is located between the first water outlet 232 and the second water inlet 411; for circulating the cooling water flowing out of the first water outlet 232; so that the cooling water flowing out from the first water outlet 232 can enter the heat exchanger 3 for heat exchange treatment.
Specifically, the third cooling water pipe 7 is further provided with a first control valve 71, and the first control valve 71 is used for controlling the connection and disconnection between the third water inlet 33 of the heat exchanger 3 and the second cooling water pipe 6, so that the flow of cooling water can be conveniently regulated and used.
Specifically, the system for supplying multiple energy sources by using waste heat further comprises a water storage tank 8, a water inlet and outlet pipe 81 is communicated with the water storage tank 8, the heat exchanger 3 is further provided with a third water outlet 34, and the third water outlet 34 is communicated with the water inlet and outlet pipe 81 and used for discharging cooling water subjected to heat treatment to the water storage tank 8 through the water inlet and outlet pipe 81 for storage; further, the water inlet and outlet pipe 81 is also communicated with the user side 9; meanwhile, the water inlet and outlet pipe 81 is also provided with a second control valve 83, and the second control valve 83 is arranged close to the user side 9, so that the user side 9 can conveniently regulate and control the hot water in the water storage tank 8; when the user side 9 encounters cold weather, the second control valve 83 is opened to lead the cooling water processed by the heat exchanger 3 in the water storage tank 8 to the heating system, so that the utilization rate of the waste heat of the flue gas is further improved; in addition, for the reinforcing heat preservation effect, the storage water tank 8 that chooses for use in this embodiment is the heat preservation hot-water tank.
Specifically, a liquid level measurer 82 is further arranged in the water storage tank 8, and the liquid level measurer 82 is used for detecting the liquid level condition in the water storage tank 8; the liquid level measurer 82 is in communication connection with the first control valve 71, so that the liquid level measurer 82 transmits liquid level data detected in real time to the first control valve 71, the first control valve 71 can regulate and control the opening degree of a valve plate of the first control valve 71 according to the detection data of the liquid level measurer 82, and further system operation automation is achieved; preferably, in the present embodiment, the first control valve 71 is an automatic flow regulating valve controlled by a liquid level signal; the liquid level measurer 82 is matched with the first control valve 71, so that the whole system can be operated automatically, and convenience and reliability are improved.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. A system for supplying a plurality of energy sources using waste heat, comprising: the device comprises a bearing atmosphere furnace, a temperature difference power generation device, a heat exchanger and a cooling mechanism;
a high-temperature flue gas outlet of the bearing atmosphere furnace is communicated with a flue gas inlet of the temperature difference power generation device;
the heat exchanger is communicated with a flue gas outlet of the temperature difference power generation device and performs heat exchange;
and two ends of a cold electrode of the temperature difference power generation device respectively form a circulating circulation loop with the cooling mechanism.
2. The system for supplying multiple energy sources using waste heat according to claim 1, wherein the thermoelectric generation device includes a thermoelectric generation sheet group, a heating part and a cooling part,
the thermoelectric power generation sheet group is connected with the heating part and the cooling part;
the heating part is provided with a first air inlet and a first air outlet, the high-temperature flue gas outlet is communicated with the first air inlet,
the heat exchanger is provided with a second air inlet, and the first air outlet is communicated with the second air inlet.
3. The system for supplying multiple energy sources using waste heat according to claim 2, wherein the heat exchanger is further provided with a second air outlet, and the second air outlet is communicated with the outside for exhaust emission.
4. The system for supplying a plurality of energy sources using waste heat according to claim 2,
the cooling part comprises a first water inlet and a first water outlet,
the cooling mechanism comprises a cooling tower, the cooling tower is provided with a second water inlet and a second water outlet,
the first water inlet is communicated with the second water outlet through a first cooling water pipe, and the first water outlet is communicated with the second water inlet through a second cooling water pipe to form a circulating loop.
5. The system for supplying multiple energy sources with waste heat according to claim 4, wherein the cooling mechanism further comprises a cooling water pump connected to the first cooling water pipe and located between the first water inlet and the second water outlet.
6. The system for supplying multiple energy sources using waste heat according to claim 5, further comprising a water temperature detector provided on the second cooling water pipe and adjacent to the first water outlet;
the water temperature detector is in communication connection with the cooling water pump, and the cooling water pump controls the running power based on detection data of the water temperature detector.
7. The system for supplying multiple energy sources using waste heat according to claim 4, wherein the heat exchanger includes a third water inlet,
the third water inlet is connected with the second cooling water pipe in a break-make mode through a third cooling water pipe, and the third cooling water pipe is located between the first water outlet and the second water inlet.
8. The system for supplying multiple energy sources using waste heat according to claim 7, wherein a first control valve is further provided on the third cooling water pipe.
9. The system for supplying multiple energy sources using waste heat according to claim 8, further comprising a water storage tank, wherein the water storage tank is provided with an inlet and outlet pipe,
the heat exchanger also comprises a third water outlet which is communicated with the water inlet pipe and the water outlet pipe; the water inlet and outlet pipe is communicated with the user side; and a second control valve is arranged on the water inlet and outlet pipe and is close to the user side.
10. The system for supplying multiple energy sources with waste heat as claimed in claim 9, wherein a liquid level measuring device is further disposed in the water storage tank, the liquid level measuring device is connected to the first control valve in communication, and the first control valve controls the flow rate of the cooling water in the third cooling water pipe according to the detection data of the liquid level measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221000307.8U CN217520289U (en) | 2022-04-25 | 2022-04-25 | System for supplying multiple energy sources by utilizing waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221000307.8U CN217520289U (en) | 2022-04-25 | 2022-04-25 | System for supplying multiple energy sources by utilizing waste heat |
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| Publication Number | Publication Date |
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| CN217520289U true CN217520289U (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221000307.8U Active CN217520289U (en) | 2022-04-25 | 2022-04-25 | System for supplying multiple energy sources by utilizing waste heat |
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| Country | Link |
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| CN (1) | CN217520289U (en) |
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- 2022-04-25 CN CN202221000307.8U patent/CN217520289U/en active Active
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