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

A waste heat recovery device and condensation process technology, applied in the field of waste heat recovery, can solve the problems of low air enthalpy and high power consumption, and achieve the effects of improving the working environment, saving energy and high efficiency

Inactive Publication Date: 2013-09-18
DALIAN HUARUI HEAVY IND GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The patent number is CN200720191198.1, and the technology named "calcium carbide furnace waste heat recovery system" is used to cool the molten calcium carbide through the hot air tunnel kiln. Not high, consumes a lot of power

Method used

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

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with drawings and embodiments.

[0033] Embodiment is shown in accompanying drawing. The waste heat recovery device in the condensation process of molten calcium carbide includes heat collector 1, heat pipe heat exchanger 2, dust remover 3, fan 4 and feed water pump 5, heat pipe heat exchanger 2, dust remover 3, fan 4 and feed water pump 5 are placed in Outside the heat collector 1, the heat collector 1 is placed on the track of the electric stone pot carrying trolley. The heat collector 1 is a closed box, and the two ends of the box are provided with sealed doors for the stone pot carrying trolley to enter and exit. There is heat-resistant insulation material 1.1, and membrane wall tube 1.2 is provided on the top of the box and the inner surface of the two side walls. The water inlet 2.4 of the steam drum 2.1 of the heater is connected, the lower part of the two side walls of the box body is respecti...

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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

technical field [0001] The invention relates to the field of waste heat recovery in the condensation process of molten calcium carbide. Background technique [0002] In the traditional calcium carbide production process, the calcium carbide is released intermittently. When it is out of the oven, the calcium carbide pot is loaded on the out-of-the-oven trolley, and the calcium carbide pot is led to the calcium carbide outlet by the traction device. The molten calcium carbide flows into each calcium carbide pot when it comes out of the furnace, and the temperature of the liquid calcium carbide at this time is above 1300°C. After being out of the furnace, the calcium carbide pot filled with molten calcium carbide is pulled into the cooling workshop for cooling. When the temperature drops to about 400°C, the calcium carbide solidifies and forms, and is lifted out of the calcium carbide pot and transported to the storage workshop for further cooling. The entire cooling process ...

Claims

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Application Information

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IPC IPC(8): F27D17/00F27D15/02
CPCY02P10/25Y02P80/15
Inventor 赵昕哲田雨于倩武荣阳白丽莉李玮
Owner DALIAN HUARUI HEAVY IND GRP CO LTD
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