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Process gas cooling system

A technology of process gas and gas outlet, which is applied in the system field of using solar energy to cool process gas, which can solve the problems affecting the stable operation of the blast furnace and the unfavorable stable operation of the dehumidification system, so as to ensure the effect of cooling and dehumidification, and save driving power , the effect of saving energy

Inactive Publication Date: 2010-02-10
CISDI ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case of using dehumidification blast, because the air temperature changes during the day and night are not conducive to the stable operation of the dehumidification system, and will eventually affect the stable operation of the blast furnace

Method used

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  • Process gas cooling system

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Embodiment Construction

[0017] Embodiments of the invention will be further described below in conjunction with the accompanying drawings.

[0018] The present invention is suitable for air suction cooling and dehumidification of blast furnace blower, and can also be used in other process gas cooling and dehumidification occasions (such as cooling of air at the inlet of gas turbine compressor), especially for process gas under the condition of large flow rate and relatively high atmospheric temperature Cool down. The following is an example of blast furnace blower air suction cooling and dehumidification:

[0019] Such as figure 1 As shown, the water outlet of the solar heat collector 1 is connected to the water inlet of the hot water storage tank 3 through a pipeline 5, and the water outlet 3 of the hot water storage tank is connected to the heat source of the chilled water preparation device 9 through a pipeline 4' with a water pump 8. Water inlet, the hot water outlet of the chilled water prepar...

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Abstract

The invention relates to a process gas cooling system, comprising a solar thermal collector (1), a thermal storage water tank (3), a chilled water preparation device (9) and a cooling heat exchanger (12), wherein the produced hot water in the solar thermal collector (1) enters the thermal storage water tank (3), so as to provide hot water required by the chilled water preparation device (9); the chilled water preparation device (9) provides the required chilled water for the cooling heat exchanger (12); and the cooling heat exchanger (12) carries out cooling on the entered process gas. The invention utilizes solar refrigeration technology, makes the best of renewable energy sources and saves steam or electric energy consumption required by conventional cooling device.

Description

technical field [0001] The invention relates to a cooling system for process gas, in particular to a system for cooling process gas by using solar energy. Background technique [0002] In the existing process gas cooling process, compressors or steam refrigeration technologies are used, which require a lot of electric energy and high energy consumption, especially when cooling the process gas under the condition of large flow rate and high atmospheric temperature. The energy consumption is huge. [0003] For example, in the field of ironmaking, during the operation of the blast furnace blower, the required shaft power is greatly affected by the atmospheric conditions. 3 Blast furnace blower as an example: in summer, assuming that the average daytime temperature is 25°C, the operating power of the blower is about 40,000kW, and the average temperature in the morning and evening is assumed to be 15°C, and the operating power of the blower is about 38,800kW. It is about 3% les...

Claims

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Application Information

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IPC IPC(8): F25B27/00F24J2/34F24J2/00
Inventor 刘旭喻依兆王珂王毅
Owner CISDI ENG CO LTD