CN220103774U - Molten calcium carbide waste heat recovery system - Google Patents
Molten calcium carbide waste heat recovery system Download PDFInfo
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- CN220103774U CN220103774U CN202321369843.XU CN202321369843U CN220103774U CN 220103774 U CN220103774 U CN 220103774U CN 202321369843 U CN202321369843 U CN 202321369843U CN 220103774 U CN220103774 U CN 220103774U
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- liquid metal
- heat
- calcium carbide
- evaporator
- collection box
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- 239000005997 Calcium carbide Substances 0.000 title claims abstract description 74
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000011084 recovery Methods 0.000 title claims abstract description 26
- 239000002918 waste heat Substances 0.000 title claims abstract description 25
- 229910001338 liquidmetal Inorganic materials 0.000 claims abstract description 167
- 238000010521 absorption reaction Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052733 gallium Inorganic materials 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 239000002440 industrial waste Substances 0.000 abstract description 2
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 9
- 239000007788 liquid Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model provides a molten calcium carbide waste heat recovery system, which comprises a heat collection box, wherein a transportation track is arranged in the heat collection box and is used for conveying a plurality of calcium carbide pots loaded with molten calcium carbide into the heat collection box, a liquid metal heat absorption tube bundle is arranged at the upper middle part of the heat collection box and is used for containing liquid metal, the liquid metal heat absorption tube bundle is arranged right above the calcium carbide pots and is used for absorbing heat of the molten calcium carbide by using the liquid metal, and an inlet and an outlet of the liquid metal heat absorption tube bundle are respectively communicated with an outlet and an inlet of the liquid metal heat exchange tube bundle in a liquid metal evaporator to realize heat exchange between the flowing liquid metal and deoxidized water, so that saturated steam of 0.6 MPa-2 MPa is generated. According to the utility model, the liquid metal is adopted as a heat exchange medium to efficiently and continuously absorb the radiant heat of the molten calcium carbide, so that the heat of the molten calcium carbide is prevented from being greatly dissipated, the energy-saving potential is very great, and the method can be widely applied to the field of industrial waste heat recovery in petrochemical industry, metallurgy and the like.
Description
Technical Field
The utility model belongs to the technical field of waste heat exchange, and particularly relates to a molten calcium carbide waste heat recovery system.
Background
The melting calcium carbide temperature can reach 1800-2200 ℃, contains a large amount of heat and is a high-grade heat energy resource. At present, most enterprises in industry recover heat of molten calcium carbide in an air cooling mode, the air quantity is controlled by means of fan frequency conversion, and heat recovery is discontinuous. The industrial application has no mature and efficient recycling mode, a large amount of heat is dissipated, and the energy-saving potential is huge.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a molten calcium carbide waste heat recovery system, which adopts liquid metal as a heat exchange medium to efficiently and continuously absorb the radiant heat of the molten calcium carbide, avoids the large dissipation of the heat of the molten calcium carbide, has great energy-saving potential, and can be widely applied to the field of industrial waste heat recovery of petrochemical industry, metallurgy and the like.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a melting carbide waste heat recovery system, including the heat collection box, the inside transportation track that sets up of heat collection box is used for sending into the heat collection box with a plurality of carbide pots that have the loading to melt carbide, the upper portion sets up liquid metal heat absorption tube bank in the heat collection box and is used for holding liquid metal, liquid metal heat absorption tube bank arranges and is used for utilizing liquid metal to absorb the heat of melting carbide directly over the carbide pot, liquid metal heat absorption tube bank's import and export are respectively with the export and the import intercommunication of liquid metal heat exchange tube bank in the liquid metal evaporimeter realize the heat transfer of mobile liquid metal and deoxidization water to produce 0.6MPa ~ 2MPa saturated steam.
Further, the liquid metal is a heat exchange medium based on a gallium-based material.
Further, a plurality of radiating fins are arranged on the outer side of the calcium carbide pot, and a heat insulation layer is arranged at the bottom of the calcium carbide pot.
Further, the heat collection box is of an adiabatic box type structure, a box door is arranged on the side face of the heat collection box, a temperature detection device is arranged on the heat collection box and used for detecting the temperature in the heat collection box, and when the temperature is displayed to be less than 600 ℃, the replacement of a calcium carbide pot for loading molten calcium carbide is prompted.
Further, the liquid metal evaporator is a vertical evaporator, and a pressure gauge is arranged on the vertical evaporator and used for detecting the internal pressure of the liquid metal evaporator.
Further, the inlet of the liquid metal heat absorption tube bundle is communicated with the outlet of the liquid metal heat exchange tube bundle through a delivery pump and a liquid metal outlet pipe, and the outlet of the liquid metal heat absorption tube bundle is communicated with the inlet of the liquid metal heat exchange tube bundle through a liquid metal delivery pipeline and a liquid metal inlet pipe.
Further, the liquid metal heat exchange tube bundle is of a spiral coil structure, and the liquid metal heat absorption tube bundle is of a serpentine coil structure; the liquid metal heat exchange tube bundle, the liquid metal inlet tube, the liquid metal outlet tube and the liquid metal heat absorption tube bundle are all made of S31608 stainless steel materials, and high-temperature-resistant anti-corrosion coatings are coated on the inner walls of the tubes.
Further, the liquid metal inlet pipe is arranged at the middle part of the liquid metal evaporator cylinder, the liquid metal outlet pipe is arranged at the bottom of the liquid metal evaporator lower end socket, and the liquid metal heat exchange tube bundle is arranged between the liquid metal inlet pipe and the liquid metal outlet pipe and is arranged at the lower part of the evaporator cylinder.
Further, the oxygen content of deoxidized water in the barrel of the liquid metal evaporator is less than 0.05mg/L, and the deoxidized water content accounts for 75-85% of the volume of the liquid metal evaporator.
Further, after absorbing the heat of the molten calcium carbide, the liquid metal is heated to 550-600 ℃ and then is led into a liquid metal evaporator for heat exchange.
Compared with the prior art, the utility model has at least the following beneficial effects:
the utility model provides a molten calcium carbide waste heat recovery system, the temperature of the molten calcium carbide is up to 2000 ℃, and the molten calcium carbide waste heat recovery system has strong heat radiation capability.
Furthermore, the liquid metal adopted by the utility model is gallium-based liquid metal heat exchange working medium, has higher boiling point, and can not generate phase change within 100-1000 ℃, so that the liquid metal can be kept in a liquid state all the time in the heat exchange process of the system, the problem of overhigh system pressure caused by the phase change can not be generated, and the liquid metal is in a liquid state at normal temperature, has smaller movement viscosity, high heat conduction capability and high heat transfer rate, and has smaller structural size and higher heat exchange efficiency compared with the traditional equipment taking water or oil as the heat exchange working medium.
Furthermore, the liquid metal heat absorption tube bundles in the heat collection box are arranged in a serpentine coil, so that heat radiated by molten calcium carbide can be fully absorbed, and the liquid metal heat exchange tube bundles in the liquid metal evaporator are arranged in a spiral coil mode, so that the liquid metal and deoxidized water can fully exchange heat, the liquid metal uniformly flows along the heat exchange tubes, and the uniformity of the flow of the liquid metal in the tube bundles is ensured.
The utility model utilizes the liquid metal to fully absorb the heat of the molten calcium carbide and then exchanges heat with the deoxidized water in the evaporator, the deoxidized water in the evaporator absorbs the heat to generate saturated steam with the pressure of 0.6MPa to 2MPa, the steam output is stable and continuous, the requirements of users can be met, and the steam drum is not required to be increased.
Drawings
FIG. 1 is a schematic diagram of a system for recovering waste heat of molten calcium carbide based on liquid metal as a heat transfer medium;
FIG. 2 is a serpentine conduit based on liquid metal as a heat transfer medium;
wherein: 1 calcium carbide pot, 2 heat collecting box, 3 conveying track, 4 liquid metal evaporator, 5 conveying pump, 6 liquid metal conveying pipeline, 7 water inlet, 8 drain, 9 chamber door, 10 liquid metal heat absorption tube bundle, 11 radiating fin, 41 liquid metal inlet tube, 42 liquid metal outlet tube, 43 liquid metal heat exchange tube bundle, 44 liquid level meter, 45 overhaul hole, 46 manometer, 47 thermometer, 48 safety valve port, 49 steam outlet, 51 valve, 52 thermometer.
Detailed Description
The utility model is further described below with reference to the drawings and the detailed description.
As shown in fig. 1, the utility model discloses a molten calcium carbide waste heat recovery system, which comprises a calcium carbide pot 1 for loading molten calcium carbide, a heat collection box 2, a transportation track 3 for transporting the calcium carbide pot in the heat collection box, an inlet pipe and an outlet pipe on a liquid metal evaporator 4, a liquid metal heat exchange tube bundle 43, wherein in order to enhance heat dissipation, radiating fins 11 are arranged on the outer side of the calcium carbide pot 1 for loading the molten calcium carbide, the calcium carbide pot 1 is arranged in the heat collection box 2, one heat collection box 2 can be provided with a plurality of calcium carbide pots 1, a track for placing the calcium carbide pot 1 is arranged in the heat collection box 2, a heat insulation layer is designed between the bottom of the calcium carbide pot 1 and the track, the calcium carbide pot 1 for loading the molten calcium carbide enters the heat collection box 2 through the transportation track 3, the heat collection box 2 is of a heat insulation box structure, and a box door 9 is arranged on the side surface; the liquid metal heat absorption tube bundles 10 in the heat collection box 2 are arranged at the position right above the calcium carbide pot 1, the inlet and the outlet of the liquid metal heat absorption tube bundles 10 are respectively communicated with the outlet and the inlet of the liquid metal heat exchange tube bundles 43 in the liquid metal evaporator 4 to realize the heat exchange between the flowing liquid metal and deoxidized water, thereby generating saturated steam of 0.6 MPa-2 MPa, wherein the adopted liquid metal is a high-efficiency heat exchange medium based on gallium-based materials, and has the advantages of strong heat exchange capability, high heat exchange efficiency and uniform heat exchange.
Preferably, a temperature detection device is arranged on the heat collection box 2 and used for detecting the temperature in the heat collection box 2, and when the temperature is less than 600 ℃, the heat absorption of the liquid metal is not enough, and a new calcium carbide pot 1 for loading molten calcium carbide needs to be replaced;
preferably, the liquid metal evaporator 4 is a vertical evaporator, the vertical evaporator shell consists of an upper end socket, a cylinder body and a lower end socket, the upper part of the vertical evaporator is a gas-liquid mixing space, liquid fills most of the space of the cylinder body of the evaporator, steam occupies less part of the cylinder body, deoxygenated water is arranged in the cylinder body of the liquid metal evaporator 4, and the deoxygenated water amount occupies about 75-85% of the volume of the vertical evaporator; the liquid metal heat exchange tube bundle 43 in the liquid metal evaporator 4 is arranged at the lower part of the evaporator cylinder, liquid metal enters from the upper part of the liquid metal heat exchange tube bundle 43 and flows out from the lower part of the liquid metal heat exchange tube bundle 43, and a supporting frame is arranged in the liquid metal evaporator 4 and mainly used for supporting the heat exchange tube bundle;
preferably, the liquid level gauge 44 is arranged at the upper part of the side surface of the cylinder of the liquid metal evaporator 4 and is used for measuring the liquid level in the cylinder of the liquid metal evaporator 4; the water inlet 7 is arranged at the lower part of the side surface of the inner cylinder of the liquid metal evaporator 4, and deoxygenated water enters the liquid metal in the liquid metal heat exchange tube bundle 43 from the bottom of the inner cylinder of the liquid metal evaporator 4 for heat exchange; the steam outlet 49 is arranged at the top of the upper end socket of the liquid metal evaporator 4, steam is discharged from the top of the upper end socket of the liquid metal evaporator 4 and is connected with a user for use through a pipeline; the pressure gauge 46 and the temperature gauge 47 are arranged at the top of the upper sealing head of the liquid metal evaporator 4, and the pressure gauge 46 is used for detecting the internal pressure of the liquid metal evaporator 4; the safety valve 48 is arranged at the top of the upper sealing head of the liquid metal evaporator 4; the drain outlet 8 is arranged at the bottom of the lower end socket of the liquid metal evaporator 4.
Preferably, the liquid metal inlet pipe 41 and the liquid metal outlet pipe 42 on the vertical evaporator are connected in a welding manner, so that welding reliability is ensured, and no leakage point is generated.
Preferably, the liquid metal inlet pipe 41 is arranged at the middle position of the barrel of the liquid metal evaporator 4, and the liquid metal outlet pipe 42 is arranged at the bottom position of the lower end socket of the liquid metal evaporator 4.
Preferably, the liquid metal heat exchange tube bundle 43, the liquid metal inlet tube 41, the liquid metal outlet tube 42 and the liquid metal heat absorption tube bundle 10 are all made of S31608 stainless steel materials, and high-temperature-resistant anti-corrosion coatings are coated on the inner walls of the tubes, so that the design cost is low, and the economic benefit is high.
Preferably, the inlet of the liquid metal heat absorption tube bundle 10 is communicated with the outlet of the liquid metal heat exchange tube bundle 43 through the delivery pump 5, the liquid metal delivery pipeline 6 and the liquid metal outlet pipe 42, and the outlet of the liquid metal heat absorption tube bundle 10 is communicated with the inlet of the liquid metal heat exchange tube bundle 43 through the delivery pump 5, the liquid metal delivery pipeline 6 and the liquid metal inlet pipe 41.
Preferably, the two sides of the delivery pump 5 are provided with a valve 51 and a thermometer 52, the valve 51 is used for realizing the on-off of the liquid metal delivery pipeline 6, and the thermometer 52 is used for exchanging the liquid metal temperature at the outlet of the liquid metal heat exchange tube bundle 43.
Preferably, as shown in fig. 2, the liquid metal heat absorption tube bundle 10 has a serpentine coil structure, and the liquid metal heat exchange tube bundle 43 has a spiral coil structure, so that the heat exchange efficiency is high and the heat exchange is uniform.
Preferably, the vertical evaporator shell, the upper sealing head and the lower sealing head are made of Q345R materials, so that the design cost is low, and the economic benefit is high.
According to the molten calcium carbide waste heat recovery system, gallium-based liquid metal is used as a heat exchange medium to exchange heat with molten calcium carbide, the high-temperature liquid metal after heat exchange exchanges heat with deoxidized water to produce steam for industrial use, the adopted vertical evaporator is simple in structure and high in reliability, the heat exchange mode is that the liquid metal with the temperature of 550-600 ℃ is obtained by exchanging heat with the calcium carbide melted at the high temperature of 2000 ℃, and the liquid metal with the temperature of 550-600 ℃ exchanges heat with the deoxidized water at the normal temperature to obtain high-quality steam with the pressure of 2MPa which can be used in industry, so that the purpose of recycling heat is achieved.
The utility model provides a use method of a molten calcium carbide waste heat recovery system, which comprises the following steps:
1) The high-temperature molten calcium carbide in the calcium carbide furnace is filled into the calcium carbide pot 1, the calcium carbide pot is transported into the heat collection box 3 through the transportation track, the high-temperature molten calcium carbide radiates heat in the heat collection box 1, the liquid metal medium flows through the liquid metal heat absorption tube bundles 10 in the heat collection box 2 under the action of the conveying pump 5, the heat of the molten calcium carbide is absorbed, and the temperature of the liquid metal reaches 550-600 ℃.
2) The deoxidized water enters the vertical evaporator from a water inlet 7 at the bottom of the vertical evaporator 4, the oxygen content of the deoxidized water is less than 0.05mg/L, and the deoxidized water accounts for 75-85% of the volume of the vertical evaporator;
3) The absorbed liquid metal is conveyed and flows into a liquid metal heat exchange tube bundle 43 in the liquid metal evaporator 4 through a conveying pump 5, a liquid metal conveying pipeline 6 and a liquid metal inlet tube 41 to exchange heat with deoxidized water, and the deoxidized water absorbs heat and gasifies to generate 2Mpa saturated steam.
4) After a heat exchange process is completed, steam is discharged from a steam outlet 49 at the top of the liquid metal evaporator 4 and enters a steam pipeline for industrial use, the liquid metal flows out from a liquid metal outlet pipe 42 at a temperature of 150-200 ℃ after heat release and temperature reduction, and the heat is absorbed in a liquid metal heat absorption pipe bundle 10 which is circulated back to the heat collection box 2 through pump power, so that the whole system absorbs and releases heat.
The production of the molten calcium carbide in the industrial production is not a continuous process, the molten calcium carbide is produced once in a certain period of time, the interval time between the two times is the heat recovery interval, the reasonable design is carried out in the molten calcium carbide waste heat recovery process, namely, the interval time between the two production periods of the molten calcium carbide is approximately the same as the steam production time of the evaporator, so that the temperature of the system is not reduced too much for the two times of calcium carbide pot replacement, and the continuity is basically ensured. The continuous technological process can be formed in the process of producing molten calcium carbide by a calcium carbide furnace and utilizing waste heat of the molten calcium carbide.
Claims (10)
1. The utility model provides a melting carbide waste heat recovery system, a serial communication port, including heat collection box (2), heat collection box (2) inside sets up transportation track (3) be used for sending into heat collection box (2) with a plurality of carbide pot (1) that are loaded with melting carbide, upper portion sets up liquid metal heat absorption tube bank (10) in heat collection box (2) are used for holding liquid metal, liquid metal heat absorption tube bank (10) are arranged directly over carbide pot (1) and are used for utilizing liquid metal to absorb the heat of melting carbide, the import and the export of liquid metal heat absorption tube bank (10) are respectively with the export and the import intercommunication of liquid metal heat exchange tube bank (43) in liquid metal evaporator (4) realize the heat transfer of mobile liquid metal and deoxidization water, thereby produce 0.6MPa ~ 2MPa saturated steam.
2. The molten calcium carbide waste heat recovery system according to claim 1, wherein the liquid metal is a heat exchange medium based on a gallium-based material.
3. The molten calcium carbide waste heat recovery system according to claim 1, wherein a plurality of radiating fins (11) are arranged on the outer side of the calcium carbide pot (1), and a heat insulation layer is arranged at the bottom of the calcium carbide pot (1).
4. The molten calcium carbide waste heat recovery system according to claim 1, wherein the heat collection box (2) is of an adiabatic box type structure, a box door (9) is arranged on the side face of the heat collection box (2), a temperature detection device is arranged on the heat collection box (2) and used for detecting the temperature in the heat collection box (2), and when the temperature is displayed to be less than 600 ℃, the replacement of the calcium carbide pot (1) for loading the molten calcium carbide is prompted.
5. The molten calcium carbide waste heat recovery system according to claim 1, wherein the liquid metal evaporator (4) is a vertical evaporator, and a pressure gauge (46) is arranged on the vertical evaporator and used for detecting the internal pressure of the liquid metal evaporator (4).
6. The molten calcium carbide waste heat recovery system according to claim 1, wherein the inlet of the liquid metal heat absorption tube bundle (10) is communicated with the outlet of the liquid metal heat exchange tube bundle (43) through a conveying pump (5) and a liquid metal outlet tube (42), and the outlet of the liquid metal heat absorption tube bundle (10) is communicated with the inlet of the liquid metal heat exchange tube bundle (43) through a liquid metal conveying pipeline (6) and a liquid metal inlet tube (41).
7. The molten calcium carbide waste heat recovery system according to claim 6, wherein the liquid metal heat exchange tube bundle (43) is a spiral coil structure, and the liquid metal heat absorption tube bundle (10) is a serpentine coil structure; the liquid metal heat exchange tube bundle (43), the liquid metal inlet tube (41), the liquid metal outlet tube (42) and the liquid metal heat absorption tube bundle (10) are made of S31608 stainless steel materials, and high-temperature-resistant anti-corrosion coatings are coated on the inner walls of the tubes.
8. The molten calcium carbide waste heat recovery system according to claim 6, wherein the liquid metal inlet pipe (41) is arranged at a middle position of the barrel of the liquid metal evaporator (4), the liquid metal outlet pipe (42) is arranged at a bottom position of a lower end enclosure of the liquid metal evaporator (4), and the liquid metal heat exchange pipe bundle (43) is arranged between the liquid metal inlet pipe (41) and the liquid metal outlet pipe (42) and is arranged at a lower part of the barrel of the evaporator.
9. The molten calcium carbide waste heat recovery system according to claim 1, wherein oxygen content of deoxidized water in the liquid metal evaporator cylinder is less than 0.05mg/L, and the deoxidized water amount accounts for 75% -85% of the volume of the liquid metal evaporator.
10. The molten calcium carbide waste heat recovery system according to claim 1, wherein the liquid metal absorbs the heat of the molten calcium carbide, and then is heated to 550-600 ℃ and then is introduced into the liquid metal evaporator (4) for heat exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321369843.XU CN220103774U (en) | 2023-05-31 | 2023-05-31 | Molten calcium carbide waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321369843.XU CN220103774U (en) | 2023-05-31 | 2023-05-31 | Molten calcium carbide waste heat recovery system |
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| Publication Number | Publication Date |
|---|---|
| CN220103774U true CN220103774U (en) | 2023-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321369843.XU Active CN220103774U (en) | 2023-05-31 | 2023-05-31 | Molten calcium carbide waste heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220103774U (en) |
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2023
- 2023-05-31 CN CN202321369843.XU patent/CN220103774U/en active Active
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