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An uninterrupted calcium carbide furnace waste heat recovery control system and method

A waste heat recovery and control system technology, which is applied in the steam generation method using heat carrier, indirect heat exchanger, furnace, etc., can solve the problem of continuous utilization of waste heat, and achieve real-time control, effective and orderly control system, and steam power generation Take advantage of reasonable effects

Inactive Publication Date: 2017-06-06
CHINA UNIV OF MINING & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide an uninterrupted calcium carbide furnace waste heat recovery control system and method to solve the problem of continuous utilization of waste heat due to production indirection in the existing calcium carbide furnace waste heat recovery

Method used

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  • An uninterrupted calcium carbide furnace waste heat recovery control system and method
  • An uninterrupted calcium carbide furnace waste heat recovery control system and method
  • An uninterrupted calcium carbide furnace waste heat recovery control system and method

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Embodiment 1

[0045] Embodiment 1: as figure 1 It is a schematic diagram of the waste heat recovery power generation system designed in the present invention, which mainly includes a fused carbide sealed waste heat recovery chamber, a cooling and circulating air device, a hot water and steam cycle device, and a steam turbine power generation device.

[0046] The processed molten calcium carbide is loaded on the calcium carbide carrier vehicle and transported to the sealed waste heat recovery chamber through rails. Sealed waste heat recovery chamber such as figure 2 As shown in the side sectional view, the two ends of the sealed chamber are sealed doors, one end is the inlet and the other is the outlet, and the bottom is the track, which can be conveniently practiced by pulling in and out of the fused calcium carbide carrier vehicle. Wall heat exchangers are installed at the front, rear and upper door of the sealed waste heat recovery chamber, which can absorb heat, transfer the waste heat...

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Abstract

The invention discloses an uninterrupted calcium carbide furnace afterheat recovery control system and method, and belongs to calcium carbide furnace afterheat recovery systems and methods. The system comprises an afterheat recovery chamber, a heat tube exchanger, a cooling circulating air device, a hot water and steam circulating device and a PLC automatic control device, wherein the afterheat recovery chamber adopts a multi-grade parallel mode, and achieves continuous production through automatic switching so as to overcome the defect of production intermittence of general afterheat recovery; the cooling circulating air system and the hot water and steam circulating system perform real-time adjustment according to different afterheat recovery conditions and output utilization conditions; the PLC automatic control device achieves real-time monitoring and automatic control of whole afterheat recovery to adjust the switching between different afterheat recovery chambers and the rotating speed of a hot air circulating pump and a hot water and steam circulating pump so as to realize optimal control. The uninterrupted calcium carbide furnace afterheat recovery control system and method can preferably recycle radiation and sensible heat in the cooling process of calcium carbide, improve actual lasting production capacity, and have better actual promotion and application value.

Description

technical field [0001] The invention relates to a system and method for recovering residual heat of a calcium carbide furnace, in particular to a system and method for uninterrupted recovery of residual heat of a calcium carbide furnace. Background technique [0002] Calcium carbide is an important basic chemical raw material, which plays an important role in ensuring the steady and rapid growth of the national economy and meeting the needs of related industries. The status quo of my country's resources of "less oil, lack of gas, and relatively rich coal" determines that calcium carbide will still play an irreplaceable important role in the future development of the national economy. In recent years, my country's calcium carbide industry has developed rapidly and has become the world's largest producer and consumer. In 2014, my country's calcium carbide output reached 26 million tons, accounting for more than 90% of the world's total production capacity. However, my countr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27D17/00F28D15/02F28F27/00F22B1/18
CPCY02P10/25
Inventor 昝小舒朱虹陈昊于东升王星
Owner CHINA UNIV OF MINING & TECH
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