Falling film absorber

A technology of falling film absorber and film distributor, which is applied in the direction of chemical instruments and methods, separation of dispersed particles, separation methods, etc., can solve the problems of high equipment cost, complex structure, gas leakage, etc., and achieve high safety and thorough absorption , Increase the effect of guiding power

Inactive Publication Date: 2012-12-05
马惠东
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Common absorption towers are used to absorb, and most of them use multi-layer trays to complete the absorption and filtration. The structure is relatively complicated, and the equipment cost is relatively high. In addition, the absorption tower needs to be operated under a certain pressure condition, which is easy to cause gas leakage.

Method used

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  • Falling film absorber

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Embodiment Construction

[0012] Such as figure 1 As shown, the falling film absorber of the present invention includes a barrel 1, an air inlet 2 is opened on the top of the barrel 1, an upper positioning plate 3 and a lower positioning plate 4 are provided in the barrel 1, and an upper positioning plate 3 and a lower positioning plate The plates 4 are fixedly connected by a tie rod spacer tube 5, the upper positioning plate 3 and the lower positioning plate 4 are both provided with through holes 6, and between the upper positioning plate 3 and the lower positioning plate 4, a film cloth device 7 is arranged. Both sides of the bottom of the device 7 are equipped with sieve plates 8, the side wall of the cylinder 1 above the upper positioning plate 3 is provided with a tail gas outlet pipe 9, and the outer wall of the cylinder 1 between the upper positioning plate 3 and the lower positioning plate 4 is provided with liquid inlet Port 10, the liquid inlet 10 is provided with an inner ring plate 11 and an...

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Abstract

The invention relates to a falling film absorber, which comprises a barrel, wherein the top of the barrel is provided with an air inlet; an upper positioning plate and a lower positioning plate are arranged in the barrel; the upper positioning plate is fixedly connected with the lower positioning plate through a pull rod pipe spacer; both the upper positioning plate and the lower positioning plate are provided with through holes; a film distributor is arranged between the upper positioning plate and the lower positioning plate; both sides of the bottom of the film distributor are provided with sieve plates; the side wall of the barrel above the upper positioning plate is provided with a tail gas outlet pipe; the outer wall of the barrel between the upper positioning plate and the lower positioning plate is provided with a liquid inlet; an inner layer annular plate and an outer layer annular plate are arranged at the liquid inlet; and the bottom side wall of the barrel is provided with a liquid outlet pipe. The falling film absorber has the advantages: a falling film absorption way is adopted, so that waste gas can be recycled under the normal pressure; the safety is high; waste gas enters the barrel from the upper part, and a sprayed liquid enters from the liquid inlet; and through the film distributor, the guiding power in an absorbing process is increased, absorption is more complete, and a good waste gas treatment effect is achieved.

Description

Technical field [0001] The invention relates to a falling film absorber. Background technique [0002] The corrosive gases such as hydrogen chloride or sulfur dioxide discharged in the reaction need to be absorbed and treated, which can protect the environment and recover chemical raw materials for reuse. At present, the residual waste gas in chemical reactions is often absorbed or recovered by pickling or alkaline washing. Absorption towers are commonly used for absorption, and most of them use multi-layer trays to complete the absorption and filtration. The structure is relatively complicated and the equipment cost is high. In addition, the absorption tower needs to operate under certain pressure conditions, which is likely to cause gas leakage. Therefore, it is necessary to provide a new technical solution to solve the above technical problems. Summary of the invention [0003] The purpose of the present invention is to provide a falling film absorber which is performed under ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/18
Inventor 马惠东
Owner 马惠东
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