Flue gas purifying device with high desulfurization efficiency
A flue gas purification and desulfurization device technology, applied in separation devices, gas treatment, climate sustainability, etc., can solve problems such as unfavorable system normal operation, increased resistance, etc., to improve desulfurization effect, increase gas-liquid contact time, Submitting the effect of desulfurization efficiency
Active Publication Date: 2017-10-27
河北用邦环保设备科技有限公司
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Problems solved by technology
However, this kind of desulfurization tower often requires a higher tower height and a larger tower diameter to fill the desulfurizer, resulting in increased resistance, which is not conducive to the normal operation of the system
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[0028] The present invention will be further described below with reference to the accompanying drawings and embodiments, and the mode of the present invention includes but not limited to the following embodiments.
[0029] The purpose of this embodiment is to provide a flue gas purification device with a simple structure and convenient operation, which can purify the sulfur-containing flue gas so that it can be discharged up to the standard, and can recover the waste heat of the flue gas with high desulfurization efficiency.
[0030] Such as figure 1 As shown, the flue gas purification device includes a heat recovery device, a desulfurization device and a liquid tank; the heat recovery device includes two heat recovery towers, one open and one standby, and each heat recovery tower is equipped with a spiral heat exchange tube core; The desulfurization device is connected to the heat recovery device by pipelines, and the top of the desulfurization device is provided with a net ...
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The invention discloses a purification and heat recovery system for sulfur-containing flue gas. The purification and heat recovery system comprises a heat recovery device, a desulfurization device and a liquid tank, wherein the heat recovery device comprises an open heat recovery tower and a standby heat recovery tower; a spiral heat exchange tube core is arranged in each heat recovery tower; the desulfurization device is in pipeline connection with the heat recovery device; a purified gas outlet pipe is arranged on the top of the desulfurization device; a thermometer, a sulfur measuring device and a first program control valve are arranged on the purified gas outlet pipe in sequence; in addition, a plate-type heat exchanger is in pipeline connection with a part between the sulfur measuring device and the first program control valve, on the purified gas outlet pipe; besides, a second program control valve is arranged at the gas inlet end of the plate-type heat exchanger; and the part between the sulfur measuring device and the first program control valve is in pipeline connection with a gas inlet of the desulfurization device, on the purified gas outlet pipe by a third program control valve. According to the system, hazardous particulates in kiln flue gas can be effectively removed, and the kiln flue gas can reach standards to be exhausted; and in addition, waste heat of the flue gas can be sufficiently utilized, and energy conservation and environment friendliness are realized. The invention also discloses the desulfurization device.
Description
[0001] This invention is a divisional application of the patent application with the application number 201710400708.X, the application date is 2017.05.31, and the title of the invention is a desulfurization device and a purification and heat recovery system containing the device. technical field [0002] The invention relates to a flue gas treatment system, in particular to a flue gas purification device with high desulfurization efficiency. Background technique [0003] In the production process of existing submerged arc furnaces, part of the high-temperature flue gas of the furnace is mainly discharged directly by air cooling technology, and the waste heat energy is zero-utilized, resulting in a large waste of energy. Moreover, the flue gas of the furnace usually contains a large amount of unburned Coal particles and sulfur particles will seriously pollute the environment. The basic structure of the existing desulfurization tower is to put packing in the tower. The gas p...
Claims
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IPC IPC(8): B01D53/78B01D53/52B01D47/06F23J15/06
CPCB01D47/06B01D53/52B01D53/78B01D2247/04B01D2247/10B01D2258/0283F23J15/06Y02E20/30Y02P70/10
Inventor 黄巧香
Owner 河北用邦环保设备科技有限公司