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Falling-film type absorbing and condensing device and method

A condensing device and falling film technology, applied in the field of falling film absorption condensing devices, can solve the problems of unstable operation, unsatisfactory mass transfer and heat transfer effect, etc., achieve strong operability, save equipment fixed investment, prevent The effect of flooding

Inactive Publication Date: 2018-11-02
羿太环保科技(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problems existing in the above devices and methods, the present invention provides a falling film absorption and condensation device and method to solve the problems of unstable operation, unsatisfactory mass transfer and heat transfer effects in gas-liquid co-current absorption

Method used

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  • Falling-film type absorbing and condensing device and method
  • Falling-film type absorbing and condensing device and method

Examples

Experimental program
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Effect test

Embodiment 1

[0024] Such as figure 1 As shown, a falling film absorption and condensation device for treating ammonia-containing waste gas includes a cylinder, an upper tube box, a bottom liquid collection tank, an ammonia-containing waste gas inlet, a sulfuric acid solution inlet, an absorption liquid loop, a nozzle, and a wire mesh defoamer device, top gas outlet, bottom gas outlet, arched baffle, absorption liquid outlet, distance baffle, tube sheet, heat exchange tube, packing, circulating cooling water inlet and circulating cooling water outlet. The ammonia-containing waste gas inlet and the sulfuric acid solution inlet are located in the upper pipe box, and the gas inlet is below the absorption liquid inlet. There is a top gas outlet on the head of the upper pipe box, and the absorption liquid flows into the bottom liquid collection tank through the tube side. A bottom gas outlet is set above the surface, and an absorption liquid outlet is set at the bottom of the kettle. Two absorp...

Embodiment 2

[0028] Such as figure 2 As shown, a falling film absorption and condensation device for methacrylic acid reaction gas, including a cylinder, an upper tube box, a bottom liquid collection tank, a reaction gas inlet, a methacrylic acid aqueous solution inlet, an absorption liquid loop, a nozzle, and a screen Demister, top gas outlet, bottom gas outlet, arched baffle, absorption liquid outlet, distance baffle, tube sheet, heat exchange tube, packing, circulating chilled water inlet and circulating chilled water outlet. The reaction gas inlet and the methacrylic acid aqueous solution inlet are located in the upper tube box, and the gas inlet is below the solution inlet. There is a top gas outlet on the head of the upper tube box, and the absorption liquid flows into the bottom liquid collection tank through the tube side. A bottom gas outlet is set above the surface, and an absorption liquid outlet is set at the bottom of the kettle. Two absorption liquid inlets are arranged, sy...

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Abstract

The invention discloses a falling-film type absorbing and condensing device which comprises a barrel body, an upper pipe box, a bottom liquid collecting kettle, a gas inlet, an absorption liquid inlet, an absorption liquid loop, a spray head, a wire mesh demister, a top gas outlet, a bottom gas outlet, an arch stopping plate, a bottom absorption liquid outlet, a fixed-distance stopping plate, a pipe plate, a heat exchange pipe, filler, a cooling medium inlet and a cooling medium outlet. According to the device and the method disclosed by the invention, absorbing and condensing dual effects areintegrated; the device is of a compact structure, has a process reinforcing effect, can absorb and condense different materials and has high technological operability and adaptability.

Description

technical field [0001] The invention relates to the technical field of chemical equipment, in particular to a falling film absorption condensation device and method. Background technique [0002] In the fields of chemical industry, medicine, coking, environmental protection, etc., absorption process is widely used in the purification process of various gases as an effective separation method. When the soluble components in the gas are absorbed by the absorbent, a large amount of heat of dissolution is usually released, which causes the temperature of the absorbent to rise and seriously affects the absorption effect. Therefore, the absorption should be operated at a lower temperature. Before the absorbent enters the absorption equipment, cooling measures should be applied to the absorbent, which will directly lead to an increase in equipment investment costs and increase the complexity of the process. [0003] In order to simplify the problem of absorption-heat transfer, the...

Claims

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Application Information

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IPC IPC(8): B01D53/58B01D53/78B01D5/00
CPCB01D53/002B01D53/58B01D53/78B01D2251/506B01D2257/80B01D2259/652
Inventor 孙冲保罗·瓦格纳叶孔萌徐有勇周文
Owner 羿太环保科技(上海)有限公司
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