CN103307894A - Waste heat recovery device and waste heat recovery method during condensation of molten calcium carbide - Google Patents

Waste heat recovery device and waste heat recovery method during condensation of molten calcium carbide Download PDF

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Publication number
CN103307894A
CN103307894A CN2013102516496A CN201310251649A CN103307894A CN 103307894 A CN103307894 A CN 103307894A CN 2013102516496 A CN2013102516496 A CN 2013102516496A CN 201310251649 A CN201310251649 A CN 201310251649A CN 103307894 A CN103307894 A CN 103307894A
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CN
China
Prior art keywords
heat
calcium carbide
exchange
pipe
air
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CN2013102516496A
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Chinese (zh)
Inventor
赵昕哲
田雨
于倩
武荣阳
白丽莉
李玮
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大连华锐重工集团股份有限公司
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Priority to CN2013102516496A priority Critical patent/CN103307894A/en
Publication of CN103307894A publication Critical patent/CN103307894A/en

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Abstract

The invention relates to a waste heat recovery device and a waste heat recovery method during condensation of molten calcium carbide. The device comprises a heat collector, a heat pipe exchanger, a duster, a fan and a feed water pump, wherein the heat collector is a closed box arranged on calcium carbide pot transport trolley tracks; sealing doors are arranged at the two ends of the box; a heat insulating material is arranged outside the box; a membrane wall pipe is arranged at the top of the box and on the inner faces of two side walls; a water inlet and a water outlet of the membrane wall pipe are connected with the feed water pump and a water inlet of a heat exchange pipe of the heat pipe exchanger respectively; an air suction port and an air inlet are formed at the lower part of the box; an air outlet is formed at one end of the box; an air inlet of the heat pipe exchanger is connected with an air outlet of the heat collector; an air outlet of the heat pipe exchanger is connected with the duster; the duster is connected with the fan; the fan is connected with an air inlet of the heat collector; the heat pipe exchanger is provided with a steam port; and the steam port supplies gas to a user. The device and the method have the benefits that heat exchange effects of radiation and convection are made full use of, the efficiency is high, the gas is purified, the cooling time is shortened, and the production cost is lowered.

Description

Waste-heat recovery device and exhaust heat recovering method in the fusion calcium carbide condensation process
Technical field
The present invention relates to the waste heat recovery field in the fusion calcium carbide condensation process.
Background technology
In traditional calcium carbide production process, the calcium carbide mode of coming out of the stove is what be interrupted.When coming out of the stove, the dolly of coming out of the stove is loading calcium carbide pot, by draw-gear calcium carbide pot is guided to the calcium carbide plug for outlet.The calcium carbide of fusion flow in each calcium carbide pot when coming out of the stove, and the liquid calcium carbide temperature of this moment is more than 1300 ℃.After having gone out stove, draw into cooling workshop cooling with carrying the calcium carbide pot of filling the calcium carbide liquation, when treating that temperature drops to 400 ℃ of left and right sides, the calcium carbide coagulation forming hangs out from calcium carbide pot, transports to and deposits workshop continuation cooling.Whole cooling procedure is nature cooling, not only the time long, the cooling workshop is taken up an area of big, and heat is all lost, causes energy waste, is unfavorable for energy-saving and emission-reduction.Simultaneously, the solid particulate matter along with the calcium carbide cooling of fusion is volatilized makes the environment that cools off the workshop be not suitable for workman's long-term operation.
Heat scatters and disappears in traditional calcium carbide production process in order to solve, the problem of energy waste, it is CN201110080034.2 that the patent No. is arranged in the prior art, and patent name is the technology of " residual heat collection recycling method in the liquid calcium carbide process of setting ", makes liquid calcium carbide and water heat exchange by radiation heat transfer.Its deficiency be liquid calcium carbide and water heat exchange just by radiation heat transfer, efficient is relatively low, it is long that temperature drops to time of calcium carbide forming temperature, utilization rate is not high.
The patent No. is CN200720191198.1, name is called the technology of " furnace of calcium carbide residual neat recovering system ", and the calcium carbide of coming out of the stove is to make the cooling of fusion calcium carbide by the hot blast tunnel cave, and what its deficiency was that the hot blast tunnel cave enters at every turn all is cold air, the air heat content is not high, and power consumption is big.
Summary of the invention
The objective of the invention is to design the system of the heat of distributing in a kind of heat collection device by band membrane wall pipe and the heat exchange of heat pipe combination recovery fusion calcium carbide cooling procedure, overcome the deficiencies in the prior art.
Technical scheme of the present invention is: the waste-heat recovery device in the fusion calcium carbide condensation process, comprise the heat collection device, heat exchange of heat pipe, deduster, blower fan and feed pump, heat exchange of heat pipe, deduster, blower fan and feed pump place outside the heat collection device, the heat collection device places on the calcium carbide pot delivery trolley track, it is characterized in that: described heat collection device is a closed box, tank ends is provided with the hermatic door of calcium carbide pot delivery dolly turnover, the box body wall outside is provided with resistant to elevated temperatures insulation material, casing top and two side inner face are provided with the membrane wall pipe, the water inlet of membrane wall pipe links to each other with the feedwater delivery side of pump, the bottom of box bilateral wall is respectively equipped with inlet scoop and air inlet, and casing one end is provided with air outlet slit; Described heat exchange of heat pipe comprises drum, smoke box and heat exchanger tube, each is self-enclosed for drum and smoke box, drum is on smoke box top, heat exchanger tube is the heat pipe form, the heat exchanger tube bottom is the air heat-exchange end, the air heat-exchange end is the pipe that has fin, heat exchanger tube top is the water heat-exchange end, the water heat-exchange end is light pipe, heat exchanger tube passes drum and smoke box wall, and the air heat-exchange end places in the smoke box of bottom, and the water heat-exchange end places in the drum of top, seal between heat exchanger tube and drum and the smoke box wall, the drum of heat exchange of heat pipe is provided with water inlet, steam (vapor) outlet and sewage draining exit are established air intlet and air outlet slit on the smoke box of heat exchange of heat pipe air heat-exchange end, and the air intlet on the smoke box links to each other with heat collection device air outlet slit, air outlet slit on the smoke box links to each other with the deduster import, the deduster outlet links to each other with the blower fan import, and the blower fan outlet links to each other with the air inlet of heat collection device, and the water inlet of the drum of heat exchange of heat pipe links to each other with pattern wall pipe delivery port, steam (vapor) outlet is to user's air feed, and sewage draining exit connects with following water.
Waste-heat recovery device in the fusion calcium carbide condensation process of the present invention is characterized in that described heat exchanger tube is the vacuum comb.
Waste-heat recovery device in the fusion calcium carbide condensation process of the present invention is characterized in that described feed pump is high pressure water pump.
Waste-heat recovery device in the fusion calcium carbide condensation process of the present invention is characterized in that described deduster is sack cleaner.
Waste-heat recovery device in the fusion calcium carbide condensation process of the present invention is characterized in that also being provided with the dust outlet on the smoke box of described heat exchange of heat pipe air heat-exchange end, and the dust outlet is located at the smoke box bottom.
The exhaust heat recovering method of the waste-heat recovery device in the fusion calcium carbide condensation process of the present invention is characterized in that said method comprising the steps of:
1) the fusion calcium carbide inflow calcium carbide pot of coming out of the stove, calcium carbide pot carrying dolly is drawing the calcium carbide pot of filling liquid calcium carbide and is entering in the heat collection device;
2) feed pump starts, and supplies water in the membrane wall pipe, and the heat that the water in the membrane wall pipe and liquid calcium carbide and calcium carbide pot give out carries out radiant heat exchange;
3) all enter heat collection device assigned address, the hermatic door of closing heat collection device two ends when calcium carbide pot;
4) start blower fan, under the effect of blower fan, air flows into from the inlet scoop, and the gas that flows carries out convective heat exchange with calcium carbide pot, the fusion calcium carbide of heat;
5) water in the membrane wall pipe enters the drum of heat exchange of heat pipe from the water inlet of heat exchange of heat pipe water heat-exchange end drum, the gas that flows enters the smoke box of heat exchange of heat pipe from heat collection device air outlet slit by the air intlet of heat exchange of heat pipe air heat-exchange end smoke box, carries out heat exchange respectively in the drum of heat exchange of heat pipe and smoke box;
6) when the temperature of calcium carbide in the calcium carbide pot drops to 300 ℃ ± 10, open closing door, calcium carbide pot carrying dolly transports the heat collection device with calcium carbide pot, takes the dish out of the pot to the cooling workshop;
7) heat exchange of heat pipe air heat-exchange end enters deduster through the air of heat exchange from the smoke box air outlet slit, and the air of dedusting rear fan after with dedusting returns the heat collection device through heat collection device air inlet.
The exhaust heat recovering method of the waste-heat recovery device in the fusion calcium carbide condensation process of the present invention, it is characterized in that described exhaust heat recovering method comprises that also detection system and control system are to detection and the control of waste-heat recovery device, described detection system comprises calcium carbide pot carrying dolly position probing and calcium carbide temperature detection, described control system comprises blower fan, feed pump, the control of closing door and calcium carbide pot carrying trolley travelling, specifically be controlled to be: when detection system detects calcium carbide pot carrying dolly and enters the heat collection device, control system control feed pump starts, and supplies water in the membrane wall pipe of waste-heat recovery device; When detection system detects calcium carbide pot carrying dolly and all enters heat collection device assigned address, the hermatic door that heat collection device two ends are closed in control system control starts blower fan, simultaneously under the effect of blower fan, air flows into from the inlet scoop, carries out exchange heat with calcium carbide pot, the fusion calcium carbide of heat.
The invention has the beneficial effects as follows:
1, taken full advantage of the heat exchange action of radiation and convection current, the efficient height of waste heat recovery;
2, after the heat exchange of hot-air process heat exchange of heat pipe, temperature is still than room temperature height, and dedusting is returned the heat collection device by heat collection device air inlet through deduster, and the air themperature that enters the heat collection device is improved, and has improved the thermal efficiency;
3, deduster is purified gas, is conducive to improve the working environment of calcium carbide workshop;
4, can collect fast heat, energy savings, shortening cool time, reduce production costs.
Description of drawings
Fig. 1 is the process chart of this device recovery waste heat,
Fig. 2 is the result schematic diagram of this device,
Fig. 3 is the A-A cutaway view of Fig. 2,
Fig. 4 is membrane wall pipe schematic diagram,
Fig. 5 is the side view of Fig. 4,
Fig. 6 is the vertical view of Fig. 4.
Among the figure, 1, the heat collection device, 1.1, resistant to elevated temperatures insulation material, 1.2, the membrane wall pipe, 1.3, the inlet scoop, 1.4, air inlet, 1.5, pattern wall pipe delivery port; 2, heat exchange of heat pipe, 2.1, drum, 2.2, smoke box, 2.3, heat exchanger tube, 2.4, water inlet, 2.5, steam (vapor) outlet, 2.6, sewage draining exit, 3, deduster, 4, blower fan, 5, feed pump.
The specific embodiment
The present invention will be further described below in conjunction with drawings and Examples.
Embodiment as shown in drawings.Waste-heat recovery device in the fusion calcium carbide condensation process comprises heat collection device 1, heat exchange of heat pipe 2, deduster 3, blower fan 4 and feed pump 5, heat exchange of heat pipe 2, deduster 3, blower fan 4 and feed pump 5 place outside the heat collection device 1, heat collection device 1 places on the calcium carbide pot delivery trolley track, heat collection device 1 is a closed box, tank ends is provided with the hermatic door of stone pot delivery dolly turnover, the box body wall outside is provided with resistant to elevated temperatures insulation material 1.1, casing top and two side inner face are provided with membrane wall pipe 1.2, the water inlet of membrane wall pipe 1.2 links to each other with the outlet of feed pump 6, membrane wall pipe delivery port 1.5 links to each other with the water inlet 2.4 of heat exchange of heat pipe drum 2.1, the bottom of box bilateral wall is respectively equipped with inlet scoop 1.3 and air inlet 1.4, and casing one end is provided with air outlet slit; Heat exchange of heat pipe 2 comprises drum 2.1, smoke box 2.2 and heat exchanger tube 2.3, drum 2.1 and smoke box 2.2 are each self-enclosed spaces, drum 2.1 is on smoke box 2.2 tops, above the bottom surface smoke box 2.2 of drum 2.1, it namely is common wall, the wall upper end of smoke box 2.2 is welded to connect with drum 2.1 bottom surfaces, heat exchanger tube 2.3 is the heat pipe form, it is the vacuum comb, the bottom of heat exchanger tube 2.3 is air heat-exchange end, the air heat-exchange end is the pipe that has fin, the top of heat exchanger tube 2.3 is water heat-exchange end, the water heat-exchange end is light pipe, heat exchanger tube 2.3 passes the common wall between drum 2.1 and the smoke box 2.2, the air heat-exchange end places in the bottom smoke box 2.2, the water heat-exchange end places in the top drum 2.1, seal between heat exchanger tube 2.3 and drum 2.1 and smoke box 2.2 walls, the drum 2.1 of heat exchange of heat pipe 2 is provided with water inlet 2.4, steam (vapor) outlet 2.5 and sewage draining exit 2.6, establish air intlet on the smoke box 2.2 of heat exchange of heat pipe 2 air heat-exchange end, air outlet slit and dust outlet, air intlet on the smoke box 2.2 links to each other with heat collection device 1 air outlet slit, air outlet slit on the smoke box 2.2 links to each other with deduster 3 imports, deduster 3 outlets link to each other with blower fan 4 imports, blower fan 4 outlets link to each other with the air inlet 1.4 of heat collection device 1, the water inlet 2.4 of the drum 2.1 of heat exchange of heat pipe 2 links to each other with pattern wall pipe 1.2 delivery ports, steam (vapor) outlet 2.5 is to user's air feed, and sewage draining exit 2.6 connects with following water.Heat exchange of heat pipe absorbs heat will be come the water heating to become steam to use for the user in the pattern wall pipe
The waste-heat recovery device exhaust heat recovering method of present embodiment is as follows:
1) the fusion calcium carbide inflow calcium carbide pot of coming out of the stove, calcium carbide pot carrying dolly is drawing the calcium carbide pot of filling liquid calcium carbide and is entering in the heat collection device 1, carries out radiation heat transfer and heat convection in heat collection device 1.
When 2) detection system of heat collection device 1 detects the calcium carbide pot of filling the fusion calcium carbide and enters, control system control feed pump 5 starts, supply water in membrane wall pipe 1.2, the heat of the water in the membrane wall pipe 1.2 and liquid calcium carbide and calcium carbide pot carries out heat exchange with forms of radiation;
3) when detection system detects calcium carbide pot and all enters heat collection device 1 assigned address, the hermatic door that heat collection device two ends are closed in control system control; Control system control simultaneously starts blower fan 4, and under the effect of blower fan 4, air is 1.3 inflows from the inlet scoop, and the gas that flows carries out convective heat exchange with calcium carbide pot, the fusion calcium carbide of heat;
4) water in the membrane wall pipe 1.2 enters the drum 2.1 of heat exchange of heat pipe from the water inlet 2.4 of heat exchange of heat pipe water heat-exchange end drum 2.1, the gas that flows enters the smoke box 2.2 of heat exchange of heat pipe from heat collection device 1 air outlet slit by the air intlet of heat exchange of heat pipe air heat-exchange end smoke box 2.2, carries out heat exchange respectively in the drum 2.1 of heat exchange of heat pipe and smoke box 2.2;
5); When detection system detected that the temperature of calcium carbide drops to 300 ℃ ± 10 in the calcium carbide pot, closing door was opened in control system control, and calcium carbide pot carrying dolly transports heat collection device 1 with calcium carbide pot, took the dish out of the pot to cooling off the workshop;
6) air through heat exchange in the heat exchange of heat pipe air heat-exchange end smoke box 2.2 enters deduster 3 from air outlet slit, and dedusting rear fan 4 returns the air after the dedusting to heat collection device 1 through heat collection device air inlet 1.4.
7) heat exchange of heat pipe 2 supplies steam by the control system control heat exchange of self with to the user.

Claims (7)

1. the waste-heat recovery device in the fusion calcium carbide condensation process, comprise heat collection device (1), heat exchange of heat pipe (2), deduster (3), blower fan (4) and feed pump (5), heat exchange of heat pipe (2), deduster (3), blower fan (4) and feed pump (5) place outside the heat collection device (1), heat collection device (1) places on the calcium carbide pot delivery trolley track, it is characterized in that: described heat collection device (1) is a closed box, tank ends is provided with the hermatic door of calcium carbide pot delivery dolly turnover, the box body wall outside is provided with resistant to elevated temperatures insulation material (1.1), casing top and two side inner face are provided with membrane wall pipe (1.2), the water inlet of membrane wall pipe (1.2) links to each other with the outlet of feed pump (5), the bottom of box bilateral wall is respectively equipped with inlet scoop (1.3) and air inlet (1.4), and casing one end is provided with air outlet slit; Described heat exchange of heat pipe (2) comprises drum (2.1), smoke box (2.2) and heat exchanger tube (2.3), drum (2.1) and smoke box (2.2) are each self-enclosed spaces, drum (2.1) is on smoke box (2.2) top, heat exchanger tube (2.3) is the heat pipe form, the bottom of heat exchanger tube (2.3) is the air heat-exchange end, the air heat-exchange end is the pipe that has fin, the top of heat exchanger tube (2.3) is the water heat-exchange end, the water heat-exchange end is light pipe, heat exchanger tube (2.3) passes drum (2.1) and smoke box (2.2) wall, the air heat-exchange end places in the bottom smoke box (2.2), the water heat-exchange end places in the top drum (2.1), seal between heat exchanger tube (2.3) and drum (2.1) and smoke box (2.2) wall, the drum (2.1) of heat exchange of heat pipe (2) is provided with water inlet (2.4), steam (vapor) outlet (2.5) and sewage draining exit (2.6), establish air intlet and air outlet slit on the smoke box (2.2) of heat exchange of heat pipe (2) air heat-exchange end, air intlet on the smoke box (2.2) links to each other with heat collection device (1) air outlet slit, air outlet slit on the smoke box (2.2) links to each other with deduster (3) import, deduster (3) outlet links to each other with blower fan (4) import, blower fan (4) outlet links to each other with the air inlet (1.4) of heat collection device (1), the water inlet (2.4) of the drum (2.1) of heat exchange of heat pipe (2) links to each other with pattern wall pipe (1.2) delivery port, steam (vapor) outlet (2.5) is to user's air feed, and sewage draining exit (2.6) connects with following water.
2. according to the waste-heat recovery device in the described fusion calcium carbide of claim 1 condensation process, it is characterized in that described heat exchanger tube (2.3) is the vacuum comb.
3. according to the waste-heat recovery device in the described fusion calcium carbide of claim 1 condensation process, it is characterized in that described feed pump (5) is high pressure water pump.
4. according to the waste-heat recovery device in the described fusion calcium carbide of claim 1 condensation process, it is characterized in that described deduster (3) is sack cleaner.
5. according to the waste-heat recovery device in the described fusion calcium carbide of claim 1 condensation process, it is characterized in that also being provided with the dust outlet on the smoke box (2.2) of described heat exchange of heat pipe (2) air heat-exchange end, the dust outlet is located at smoke box (2.2) bottom.
6. the exhaust heat recovering method of the waste-heat recovery device in the described fusion calcium carbide of claim 1 condensation process is characterized in that said method comprising the steps of:
1) the fusion calcium carbide inflow calcium carbide pot of coming out of the stove, calcium carbide pot carrying dolly is drawing the calcium carbide pot of filling liquid calcium carbide and is entering in the heat collection device (1);
2) feed pump (5) starts, and supplies water in membrane wall pipe (1.2), and the heat that the water in the membrane wall pipe (1.2) and liquid calcium carbide and calcium carbide pot give out carries out radiant heat exchange;
3) all enter heat collection device (1) assigned address, the hermatic door of closing heat collection device (1) two ends when calcium carbide pot;
4) start blower fan (4), under the effect of blower fan (4), (1.3) flow into air from the inlet scoop, and the gas that flows carries out convective heat exchange with calcium carbide pot, the fusion calcium carbide of heat;
5) water in the membrane wall pipe enters the drum (2.1) of heat exchange of heat pipe (2) from the water inlet (2.4) of heat exchange of heat pipe water heat-exchange end drum, the gas that flows enters the smoke box (2.2) of heat exchange of heat pipe (2) from heat collection device air outlet slit by the air intlet of heat exchange of heat pipe air heat-exchange end smoke box (2.2), carries out heat exchange respectively in the drum (2.1) of heat exchange of heat pipe (2) and smoke box (2.2);
6) when the temperature of calcium carbide in the calcium carbide pot drops to 300 ℃ ± 10, open closing door, calcium carbide pot carrying dolly transports heat collection device (1) with calcium carbide pot, takes the dish out of the pot to the cooling workshop;
7) heat exchange of heat pipe air heat-exchange end enters deduster through the air of heat exchange from the smoke box air outlet slit, and the air of dedusting rear fan after with dedusting returns heat collection device (1) through heat collection device air inlet (1.4).
7. according to the exhaust heat recovering method of the waste-heat recovery device in the described fusion calcium carbide of claim 6 condensation process, it is characterized in that described exhaust heat recovering method comprises that also detection system and control system are to detection and the control of waste-heat recovery device, described detection system comprises calcium carbide pot carrying dolly position probing and calcium carbide temperature detection, described control system comprises blower fan (4), feed pump (5), the control of closing door and calcium carbide pot carrying trolley travelling, specifically be controlled to be: when detection system detects calcium carbide pot carrying dolly and enters heat collection device (1), control system control feed pump (5) starts, and supplies water in the membrane wall pipe (2) of waste-heat recovery device; When detection system detects calcium carbide pot carrying dolly and all enters heat collection device (1) assigned address, the hermatic door that heat collection device two ends are closed in control system control, start blower fan (4) simultaneously, under the effect of blower fan (4), (1.3) flow into air from the inlet scoop, carry out exchange heat with calcium carbide pot, the fusion calcium carbide of heat.
CN2013102516496A 2013-06-21 2013-06-21 Waste heat recovery device and waste heat recovery method during condensation of molten calcium carbide CN103307894A (en)

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CN103776270A (en) * 2014-01-27 2014-05-07 西安科技大学 Calcium carbide sensible heat recovery equipment and method for calcium carbide furnace
CN104006669A (en) * 2014-05-29 2014-08-27 中国五冶集团有限公司 Calcium carbide sensible heat collection system
CN105066715A (en) * 2015-09-06 2015-11-18 洛阳隆华传热节能股份有限公司 Heat collection device for recycling waste heat in calcium carbide cooling process
CN105241259A (en) * 2015-10-12 2016-01-13 中国矿业大学 Uninterrupted calcium carbide furnace afterheat recovery control system and method
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CN109737762A (en) * 2018-12-20 2019-05-10 西安交通大学 A kind of calcium carbide pot afterheat utilizing system

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CN105066715A (en) * 2015-09-06 2015-11-18 洛阳隆华传热节能股份有限公司 Heat collection device for recycling waste heat in calcium carbide cooling process
CN105253887A (en) * 2015-09-16 2016-01-20 中冶南方工程技术有限公司 Rapid cooling kiln used for cooling calcium carbide and controlling method thereof
CN105241259A (en) * 2015-10-12 2016-01-13 中国矿业大学 Uninterrupted calcium carbide furnace afterheat recovery control system and method
CN105716435A (en) * 2016-03-22 2016-06-29 浙江嵘润机械有限公司 Heat collection and recovery device of calcium carbide discharging rail
CN105928373A (en) * 2016-04-22 2016-09-07 中山市明阳电器有限公司 Efficient recovery device for waste heat of molten calcium carbide
CN109737762A (en) * 2018-12-20 2019-05-10 西安交通大学 A kind of calcium carbide pot afterheat utilizing system

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