CN218237890U - System for recycling waste heat of high-temperature workpiece by utilizing molten salt energy reactor - Google Patents
System for recycling waste heat of high-temperature workpiece by utilizing molten salt energy reactor Download PDFInfo
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Abstract
The utility model relates to a system for recovering waste heat of high-temperature workpieces by utilizing a molten salt energy reactor, which comprises a softened water treatment system, a heat exchange system, a molten salt energy storage system, a high-temperature workpiece cooling and heat collecting system and a power generation system; the high-temperature workpiece cooling and heat collecting system comprises a fan, a cooling and heat collecting cavity and a close-packed water cooling pipe type conveyor belt; an air duct is arranged at the upper part of the cooling heat collection cavity, an air outlet of the fan is connected with an input end of the air duct, and an output end of the air duct is connected with an air inlet of a primary energy converter of the heat exchange system; the close-packed water-cooled tube type conveyor belt is positioned below the air duct of the cooling heat-collecting cavity, the high-temperature workpiece is transported by the close-packed water-cooled tube type conveyor belt and passes through the cooling heat-collecting cavity, and the transporting direction is opposite to the wind direction of the fan. The system realizes the recovery of waste heat of the high-temperature workpiece, converts solar energy into heat energy through molten salt energy storage and stores the heat energy in the high-temperature molten salt energy reactor, and organically combines the waste heat of the high-temperature workpiece and solar energy photo-thermal, thereby improving the power generation capacity of the system and realizing energy conservation and emission reduction.
Description
Technical Field
The utility model belongs to the technical field of the fused salt energy storage, concretely relates to utilize fused salt energy to pile system of retrieving high temperature work piece used heat.
Background
With the rapid development of industry in recent years, a large amount of non-renewable energy is utilized, so that global energy crisis and environmental pollution are caused, and therefore energy conservation and emission reduction are concerned. As an energy source consumer in the forging industry, energy loss exists when a casting is forged to consume energy. The condition that the energy loss is more serious occurs when the formed casting is to be cooled, and the defects of the existing cooling mode of the casting to be cooled are as follows: 1) In most cases, castings are naturally cooled in the air, the temperature of the castings is reduced from 900 ℃ to 100 ℃, the temperature is reduced to 800 ℃, the maximum heat released by the temperature reduction of a single casting can reach 67347KJ, which is reduced to about 18KWh, and if a natural cooling mode is adopted, the heat can be seriously lost; 2) And a small part of the castings are cooled by adopting an air direct blowing mode, and the local supercooling of the castings can be caused by the mode, so that the properties or the strength of the castings are changed, and further quality defects are caused.
To sum up, the heat that high temperature work piece or object itself carried undoubtedly has huge energy-conserving potentiality, for better realization energy saving and emission reduction, to the recovery of high temperature work piece used heat, the utility model designs an utilize fused salt energy heap to retrieve the system of high temperature work piece used heat.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a system for recovering the waste heat of high-temperature workpieces by utilizing a molten salt energy reactor. The system realizes the recovery of waste heat of the high-temperature workpiece, converts solar energy into heat energy through molten salt energy storage and stores the heat energy in the high-temperature molten salt energy reactor, and organically combines the waste heat of the high-temperature workpiece and the solar energy photo-thermal, thereby improving the power generation capacity of the system and realizing energy conservation and emission reduction.
The utility model provides a technical scheme that technical problem adopted is:
the utility model provides a system for recovering waste heat of high-temperature workpieces by utilizing a molten salt energy reactor, which comprises a softened water treatment system, a heat exchange system, a molten salt energy storage system, a high-temperature workpiece cooling and heat collecting system and a power generation system; the heat exchange system comprises a primary energy converter, a secondary energy converter and a tertiary energy converter; the molten salt energy storage system comprises a high-temperature molten salt energy pile, a low-temperature molten salt energy pile, a solar heat collection field, a heat collection pump set, a cold salt pump set and a hot salt pump set; the high-temperature workpiece cooling and heat collecting system comprises a fan, a cooling and heat collecting cavity and a close-packed water cooling pipe type conveyor belt;
a water supply inlet of the first-stage energy converter is connected with an output end of the softened water treatment system, a water supply outlet of the first-stage energy converter is respectively connected with a water inlet of the second-stage energy converter and the low-temperature energy stack, a first regulating valve is arranged between the first-stage energy converter and the second-stage energy converter, and a second regulating valve is arranged between the first-stage energy converter and the low-temperature energy stack; a steam outlet of the secondary energy converter is connected with a steam inlet of the tertiary energy converter, and a steam outlet of the tertiary energy converter is connected with a power generation system; a molten salt inlet of the second-stage energy converter is connected with a molten salt outlet of the third-stage energy converter, a molten salt outlet of the second-stage energy converter is connected with a molten salt inlet of the low-temperature molten salt energy pile, a molten salt outlet of the low-temperature molten salt energy pile is connected with a cold salt inlet of the high-temperature molten salt energy pile through a cold salt pump group, a cold salt outlet of the high-temperature molten salt energy pile is connected with an inlet of the solar heat collection field through a heat collection pump group, an outlet of the solar heat collection field is connected with a hot salt inlet of the high-temperature molten salt energy pile, and a hot salt outlet of the high-temperature molten salt energy pile is connected with a molten salt inlet of the third-stage energy converter through a molten salt pipeline and a hot salt pump group;
an air duct is arranged at the upper part of the cooling heat collection cavity, an air outlet of the fan is connected with an input end of the air duct, and an output end of the air duct is connected with an air inlet of the primary energy converter; the close-packed water-cooled tube type conveyor belt is positioned below the air duct of the cooling heat-collecting cavity, the high-temperature workpiece is transported by the close-packed water-cooled tube type conveyor belt and passes through the cooling heat-collecting cavity, and the transporting direction is opposite to the wind direction of the fan.
Further, the power generation system comprises a turbine set and a generator; and a steam outlet of the three-stage energy converter is connected with a turbine set, and the turbine set is connected with a generator.
Further, the softened water treatment system comprises a resin tank, a vacuum deoxygenation device and a water feed pump set; the output end of the vacuum deoxygenation device is connected with a water supply inlet of the first-stage energy converter through a water supply pump set.
Furthermore, the cooling heat collection cavity is made of metal aluminum, and the outer surface of the cooling heat collection cavity is coated with a heat insulation layer.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) In order to fully recover the waste heat of the high-temperature workpiece, a high-temperature workpiece cooling and heat collecting system is designed, and an independent air duct is arranged at the upper part of a cooling and heat collecting cavity, so that the high-temperature workpiece is prevented from being directly blown by cold air, and the quality of the workpiece is ensured; waste heat of the high-temperature workpiece is conducted to the wall surface of the air duct in a heat radiation mode, the wall surface of the air duct heats cold air in the air duct, and hot air exchanges heat in the primary energy converter, so that waste heat of the high-temperature workpiece is recovered. Recoverable warm area of high temperature work piece: the temperature drops to 800 ℃ with the temperature of 900 ℃→ 100 ℃, the single high-temperature workpiece can recover waste heat 67347kj, and the waste heat is reduced to about 18kWh, so that the problem of serious energy waste in the traditional process is effectively solved.
(2) Energy conservation, emission reduction and enhancement of power generation capacity. The waste heat of the high-temperature workpiece and the solar energy are used as effective sources of heat, the captured high-temperature heat is stored in a high-temperature molten salt energy pile through a molten salt energy storage technology, and the generated high-grade superheated steam is used for power generation and heating and can be used for driving a lithium bromide refrigerating unit to achieve a cooling effect, a combined cooling, heating and power supply effect is achieved, the energy output form is diversified, and the purposes of energy conservation and emission reduction are achieved. In addition, the waste heat of the high-temperature workpiece and the solar energy are organically combined, the power generation capacity of the system is improved, and compared with the traditional photo-thermal and photovoltaic technologies, the power generation capacity is improved by more than 20%.
(3) The high-temperature workpiece cooling and heat collecting system overcomes the defects of the prior art, maximizes the recovery of the waste heat of the workpiece while ensuring the strength of the workpiece, and can meet the requirements of the workpiece cooling process while recovering the waste heat of the high-temperature workpiece. The high-temperature workpiece cooling and heat collecting system has the advantages of few moving parts, safe and stable operation, high automation degree, low energy consumption and the like.
(4) The industrial power consumption of a casting enterprise is reduced, the utilization ratio of green energy-saving power is improved, green electricity can be used in the peak time particularly in the daytime, the casting cost is reduced, the production cost of unit castings can be reduced by 5% after waste heat recovery is measured and calculated, and in addition, the carbon reduction effect can be achieved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the system of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic diagram of the system of the present invention using solar energy as an effective source of heat;
FIG. 4 is a schematic diagram of the system of the present invention using waste heat from high temperature workpieces as an effective source of heat;
in the figure, 10, a softened water treatment system; 20. a heat exchange system; 30. a molten salt energy storage system; 40. a high-temperature workpiece cooling and heat collecting system; 50. a power generation system; 60. a cryogenic energy stack;
11. a resin tank; 12. a vacuum deaerator; 13. a water feed pump set; 21. a primary energy converter; 22. a secondary energy converter; 23. a tertiary energy converter; 24. adjusting a valve I; 25. adjusting a valve II; 31. high-temperature molten salt energy reactor; 32. a low temperature molten salt energy reactor; 33. a solar heat collection field; 34. a heat collecting pump group; 35. a cold salt pump set; 36. a hot salt pump set; 41. a fan; 42. cooling the heat collection cavity; 43. a close-packed water-cooled tubular conveyor belt; 51. a turbine unit; 52. an electric generator.
Detailed Description
The technical solution of the present invention will be further explained with reference to the following embodiments and accompanying drawings. The specific examples are only used to illustrate the present invention in further detail, and do not limit the scope of the present invention.
The utility model provides a system (see figures 1-4) for recovering waste heat of high-temperature workpieces by utilizing a molten salt energy reactor, which comprises a softened water treatment system 10, a heat exchange system 20, a molten salt energy storage system 30, a high-temperature workpiece cooling and heat collecting system 40 and a power generation system 50;
the heat exchange system 20 comprises a primary energy converter 21, a secondary energy converter 22 and a tertiary energy converter 23; the molten salt energy storage system 30 comprises a high-temperature molten salt energy stack 31, a low-temperature molten salt energy stack 32, a solar heat collection field 33, a heat collection pump set 34, a cold salt pump set 35 and a hot salt pump set 36;
the water supply inlet of the primary energy converter 21 is connected with the output end of the softened water treatment system 10, the water supply outlet of the primary energy converter 21 is respectively connected with the water inlet of the secondary energy converter 22 and the low-temperature energy stack 60 through water supply pipelines, a first adjusting valve 24 is arranged on the water supply pipeline connecting the primary energy converter 21 and the secondary energy converter 22, a second adjusting valve 25 is arranged on the water supply pipeline connecting the primary energy converter 21 and the low-temperature energy stack 60, and the first adjusting valve 24 and the second adjusting valve 25 are used for controlling the on-off of the pipelines of the first adjusting valve 24 and the second adjusting valve 25; a steam outlet of the secondary energy converter 22 is connected with a steam inlet of the tertiary energy converter 23 through a steam pipeline, a steam outlet of the tertiary energy converter 23 is connected with the power generation system 50, and the power generation system 50 converts heat energy into mechanical energy to generate power; a molten salt inlet of the secondary energy converter 22 is connected with a molten salt outlet of the tertiary energy converter 23 through a molten salt pipeline, a molten salt outlet of the secondary energy converter 22 is connected with a molten salt inlet of the low-temperature molten salt energy reactor 32 through a molten salt pipeline, a molten salt outlet of the low-temperature molten salt energy reactor 32 is connected with a cold salt inlet of the high-temperature molten salt energy reactor 31 through a cold salt pump group 35, a cold salt outlet of the high-temperature molten salt energy reactor 31 is connected with an inlet of the solar heat collection field 33 through a molten salt pipeline and a heat collection pump group 34, an outlet of the solar heat collection field 33 is connected with a hot salt inlet of the high-temperature molten salt energy reactor 31 through a molten salt pipeline, and a hot salt outlet of the high-temperature molten salt energy reactor 31 is connected with a molten salt inlet of the tertiary energy converter 23 through a molten salt pipeline and a heat salt pump group 36;
the deoxygenated water generated by the softened water treatment system 10 enters a secondary energy converter 22 through a primary energy converter 21, and exchanges heat with high-temperature molten salt in the secondary energy converter 22 to generate saturated steam; the saturated steam enters the three-stage energy converter 23 to further exchange heat with high-temperature molten salt from the high-temperature molten salt energy reactor 31 to generate superheated steam, and the superheated steam enters the power generation system 50 to serve as an energy source of the power generation system 50; the low-temperature molten salt after heat exchange in the secondary energy converter 22 enters a low-temperature molten salt energy reactor 32, is pressurized by a cold salt pump group 35 and then enters a high-temperature molten salt energy reactor 31 for preheating, the preheated low-temperature molten salt enters a solar heat collection field 33 through a heat collection pump group 34, and the solar heat collection field 33 heats the low-temperature molten salt by collecting solar energy to obtain high-temperature molten salt; the high-temperature molten salt is stored in the high-temperature molten salt energy stack 31 and enters the three-stage energy converter 23 through the hot salt pump unit 36 to heat the saturated steam.
The high-temperature workpiece cooling and heat collecting system 40 comprises a fan 41, a cooling heat collecting cavity 42 and a close-packed water cooling pipe type conveyor belt 43; an air duct is arranged at the upper part of the cooling heat collection cavity 42, an air outlet of the fan 41 is fixedly connected with an input end of the air duct, and an output end of the air duct is fixedly connected with an air inlet at the bottom of the primary energy converter 21; the sealed water-draining cold pipe type conveyor belt 43 is positioned in the cooling heat collection cavity 42 and is arranged in parallel with the cooling heat collection cavity and the air duct right below the air duct, and the cooling heat collection cavity 42 takes cold air as a heat exchange working medium and is used for absorbing heat from a high-temperature workpiece, which is caused by radiation heat transfer, of the wall surface of the air duct; in order to enhance the effect of radiation heat exchange, one side of the lower wall surface of the air duct of the cooling heat collection cavity 42, which is adjacent to the high-temperature workpiece, is coated with a high-temperature resistant coating, and the high-temperature resistant coating is formed by doping transition group element oxides and silicozirconate refractory materials at a high temperature to form a solid solution black body radiation material and a high-temperature resistant binder, so that the heat absorption efficiency of the cooling heat collection cavity 42 is higher; the cooling heat collection cavity 42 is made of aluminum materials, and the outer surface of the cooling heat collection cavity 42 is coated with a heat insulation layer, so that the heat loss caused in the conveying process is reduced while the good heat conduction performance is ensured; the close-packed water-cooling pipe type conveyor belt 43 is in direct contact with the high-temperature workpiece, high-temperature waste heat of the workpiece is directly recovered in a heat conduction mode, the close-packed water-cooling pipe type conveyor belt 43 has a frequency modulation function, and the rotating speed can be set according to the cooling time of the workpiece; the moving direction of the high-temperature workpiece on the conveyor belt is opposite to the flow direction of the cold air blown out from the fan 41.
The power generation system 50 includes a turbine unit 51 and a generator 52; the steam outlet of the tertiary energy converter 23 is connected with the turbine unit 51 through a superheated steam pipeline, superheated steam generated by the tertiary energy converter 23 enters the turbine unit 51, the turbine unit 51 applies work to convert heat energy of the superheated steam into mechanical energy, and the generator 52 is driven to work to generate electricity; the low-pressure exhaust gas generated by the turbine unit 51 is used by an application end, wherein the application end comprises a hot user end, a lithium bromide refrigerating unit and the like;
the softened water treatment system 10 comprises a resin tank 11, a vacuum deoxygenation device 12 and a water feed pump set 13; the resin tanks 11 are connected with the input end of the vacuum deoxygenation device 12 through water supply pipelines, tap water is introduced into each resin tank 11, and the tap water is deionized in the resin tanks 11 to obtain softened water; the output end of the vacuum deoxygenation device 12 is connected with the water supply inlet of the primary energy converter 21 through a water supply pipeline and a water supply pump set 13; the softened water is subjected to deoxidization treatment by a vacuum deoxidization device 12 to obtain deoxidization water.
The outer surface of the fused salt pipeline is subjected to condensation heat tracing prevention and heat preservation treatment, so that the fused salt is prevented from being solidified in the fused salt pipeline due to temperature reduction in the long-time operation process. The solar heat collection field 33 is composed of a plurality of solar heat collectors and used for collecting solar energy to heat molten salt, and the solar heat collectors can be flexibly arranged according to available areas on the spot. The water feed pump group 13, the heat collection pump group 34, the cold salt pump group 35 and the hot salt pump group 36 are all composed of a plurality of water pumps; the primary energy converter 21, the secondary energy converter 22 and the tertiary energy converter 23 are all heat exchangers.
The utility model discloses a theory of operation and work flow are:
when the high-temperature workpiece cooling and heat collecting system 40 does not provide heat any more and solar energy is taken as an effective source of heat, the primary energy converter 21 is equivalent to a pipeline and mainly plays a transportation role, the first adjusting valve 24 is opened, and the second adjusting valve 25 is closed; as shown in fig. 3, tap water is deionized by a resin tank 11 to generate softened water, the softened water enters a vacuum deoxygenation device 12 for deoxygenation, the deoxygenated water is pressurized by a water feed pump unit 13, transported by a primary energy converter 21 and enters a secondary energy converter 22, and exchanges heat with high-temperature molten salt in the secondary energy converter 22 to generate saturated steam; the low-temperature molten salt after heat exchange in the secondary energy converter 22 enters a low-temperature molten salt energy reactor 32, is pressurized by a cold salt pump unit 35 and then enters a high-temperature molten salt energy reactor 31 for preheating, the preheated low-temperature molten salt is pressurized by a heat collecting pump unit 34 and then enters a solar heat collecting field 33, and the solar heat collecting field 33 heats the low-temperature molten salt by collecting solar energy to obtain high-temperature molten salt; the high-temperature molten salt is conveyed to a high-temperature molten salt energy pile 31 for storage; the saturated steam generated by the secondary energy converter 22 enters the tertiary energy converter 23, and further exchanges heat with high-temperature molten salt from the high-temperature molten salt energy reactor 31 to generate superheated steam required by the operation of the turbine unit 51; the turbine unit 51 works to convert the heat energy of the superheated steam into mechanical energy to drive the generator 52 to operate and generate electricity; the exhaust gas discharged by the turbine unit 51 for doing work is discharged in the form of low-pressure exhaust gas, and can be transported by pipelines for heating users and/or cooling by a lithium bromide refrigerating unit.
When the fused salt energy storage system 30 does not provide heat any more and the waste heat of the high-temperature workpiece is taken as an effective source of heat, closing the first adjusting valve 24 and opening the second adjusting valve 25; as shown in fig. 4, tap water is deionized through a resin tank 11 to generate softened water, the softened water enters a vacuum deoxygenation device 12 for deoxygenation, and the deoxygenated water is pressurized through a water pump set 13 and then enters a first-stage energy converter 21 for heat exchange with high-temperature workpiece waste heat collected by a high-temperature workpiece cooling and heat collecting system 40; the high-temperature workpiece passes through the cooling heat collection cavity 42 by being transported by the dense drainage cold pipe type conveyor belt 43, and the high-temperature workpiece transfers heat to the wall surface of the air duct of the cooling heat collection cavity 42 in a radiation heat exchange mode; cold air enters the air duct at the upper part of the cooling heat collecting cavity 42 under the action of the fan 41, the cold air absorbs heat on the wall surface of the air duct so as to raise the temperature of the cold air, and hot air is obtained, and the moving direction of the cold air is opposite to that of the high-temperature workpiece; the hot air enters the primary energy converter 21 and exchanges heat with the deoxygenated water through the shell pass of the primary energy converter 21, the deoxygenated water after heat exchange is transported through the tube pass of the primary energy converter 21 and a water supply pipeline to enter the low-temperature energy stack 60 to be used as hot water, and the hot air after heat exchange in the primary energy converter 21 can enter the fan 41 again to be recycled.
When the solar energy and the waste heat of the high-temperature workpiece are jointly used as effective sources of heat, the first regulating valve 24 is opened, and the second regulating valve 25 is closed; as shown in fig. 1, tap water is deionized by a resin tank 11 to generate softened water, the softened water enters a vacuum deaerating device 12 for deaerating, and the deaerated water is pressurized by a water feed pump unit 13 and then enters a primary energy converter 21 to exchange heat with high-temperature workpiece waste heat collected by a high-temperature workpiece cooling and heat collecting system 40; the high-temperature workpiece passes through the cooling heat collection cavity 42 by being transported by the dense drainage cold pipe type conveyor belt 43, and the high-temperature workpiece transfers heat to the wall surface of the air duct of the cooling heat collection cavity 42 in a radiation heat exchange mode; cold air enters the air duct at the upper part of the cooling heat collecting cavity 42 under the action of the fan 41, the cold air absorbs the heat on the wall surface of the air duct to raise the temperature of the cold air, and hot air is obtained, and the moving direction of the cold air is opposite to that of the high-temperature workpiece; the hot air enters the primary energy converter 21 and exchanges heat with the deoxygenated water through the shell pass of the primary energy converter 21, and the hot air after heat exchange can enter the fan 41 again for recycling; the deoxygenated water after heat exchange is transported into a secondary energy converter 22 through a tube pass of a primary energy converter 21 and a water supply pipeline, and exchanges heat with high-temperature molten salt in the secondary energy converter 22 to generate saturated steam; the low-temperature molten salt after heat exchange in the secondary energy converter 22 enters a low-temperature molten salt energy pile 32, is pressurized by a cold salt pump group 35 and then enters a high-temperature molten salt energy pile 31 for preheating, the preheated low-temperature molten salt is pressurized by a heat collecting pump group 34 and then enters a solar heat collecting field 33, and the solar heat collecting field 33 heats the low-temperature molten salt by collecting solar energy to obtain high-temperature molten salt; the high-temperature molten salt is conveyed to a high-temperature molten salt energy pile 31 for storage; the saturated steam generated by the secondary energy converter 22 enters the tertiary energy converter 23, and further exchanges heat with high-temperature molten salt from the high-temperature molten salt energy reactor 31 to generate superheated steam required by the operation of the turbine unit 51; the turbine unit 51 works to convert the heat energy of the superheated steam into mechanical energy to drive the generator 52 to operate and generate power; the exhaust gas discharged by the turbine unit 51 for doing work is discharged in the form of low-pressure exhaust gas, and can be transported by pipelines for heating users and/or cooling by a lithium bromide refrigerating unit.
The utility model discloses the nothing is mentioned the part and is applicable to prior art.
Claims (4)
1. A system for recovering waste heat of a high-temperature workpiece by utilizing a molten salt energy reactor comprises a softened water treatment system, a heat exchange system, a molten salt energy storage system, a high-temperature workpiece cooling and heat collecting system and a power generation system; the heat exchange system is characterized by comprising a primary energy converter, a secondary energy converter and a tertiary energy converter; the molten salt energy storage system comprises a high-temperature molten salt energy pile, a low-temperature molten salt energy pile, a solar heat collection field, a heat collection pump group, a cold salt pump group and a hot salt pump group; the high-temperature workpiece cooling and heat collecting system comprises a fan, a cooling and heat collecting cavity and a close-packed water cooling pipe type conveyor belt;
a water supply inlet of the first-stage energy converter is connected with an output end of the softened water treatment system, a water supply outlet of the first-stage energy converter is respectively connected with a water inlet of the second-stage energy converter and the low-temperature energy stack, a first regulating valve is arranged between the first-stage energy converter and the second-stage energy converter, and a second regulating valve is arranged between the first-stage energy converter and the low-temperature energy stack; a steam outlet of the secondary energy converter is connected with a steam inlet of the tertiary energy converter, and a steam outlet of the tertiary energy converter is connected with a power generation system; a molten salt inlet of the second-stage energy converter is connected with a molten salt outlet of the third-stage energy converter, a molten salt outlet of the second-stage energy converter is connected with a molten salt inlet of the low-temperature molten salt energy pile, a molten salt outlet of the low-temperature molten salt energy pile is connected with a cold salt inlet of the high-temperature molten salt energy pile through a cold salt pump group, a cold salt outlet of the high-temperature molten salt energy pile is connected with an inlet of the solar heat collection field through a heat collection pump group, an outlet of the solar heat collection field is connected with a hot salt inlet of the high-temperature molten salt energy pile, and a hot salt outlet of the high-temperature molten salt energy pile is connected with a molten salt inlet of the third-stage energy converter through a molten salt pipeline and a hot salt pump group;
an air duct is arranged at the upper part of the cooling heat collection cavity, an air outlet of the fan is connected with an input end of the air duct, and an output end of the air duct is connected with an air inlet of the primary energy converter; the close-packed water-cooled tube type conveyor belt is positioned below the air duct of the cooling heat-collecting cavity, the high-temperature workpiece is transported by the close-packed water-cooled tube type conveyor belt and passes through the cooling heat-collecting cavity, and the transporting direction is opposite to the wind direction of the fan.
2. The system for recovering waste heat of high temperature workpieces using a molten salt energy reactor of claim 1, wherein the power generation system comprises a turbine set and a generator; and a steam outlet of the three-stage energy converter is connected with a turbine set, and the turbine set is connected with a generator.
3. The system for recovering waste heat of high-temperature workpieces by using the molten salt energy reactor as claimed in claim 1 or 2, wherein the softened water treatment system comprises a resin tank, a vacuum oxygen removal device and a water feed pump set; the output end of the vacuum deoxygenation device is connected with the water supply inlet of the first-stage energy converter through a water supply pump set.
4. The system for recycling waste heat of high-temperature workpieces by using the molten salt energy reactor as claimed in claim 1, wherein the cooling heat collection cavity is made of metal aluminum, and the outer surface of the cooling heat collection cavity is coated with a heat insulation layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222443291.4U CN218237890U (en) | 2022-09-15 | 2022-09-15 | System for recycling waste heat of high-temperature workpiece by utilizing molten salt energy reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222443291.4U CN218237890U (en) | 2022-09-15 | 2022-09-15 | System for recycling waste heat of high-temperature workpiece by utilizing molten salt energy reactor |
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