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Welt-process three-turn smoke-prevention, dust-control gas-purification device

A technology for smoke elimination, dust removal, and gas purification, which is applied in the direction of combined devices, separation methods, chemical instruments and methods, etc., can solve the problem of low chemical consumption, achieve low energy and chemical consumption, wide applicability, and no deposits Effect

Inactive Publication Date: 2009-03-18
林新
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to overcome the problems still existing in the above-mentioned prior art, and provides a kind of "three-swirl high-efficiency wet desulfurization and dust collector" which can make the exhaust gas realize three swirls in it and have a good purification effect, and can The wet-type three-rotation smoke-eliminating, dust-removing and descaling device for its air flow channel is cleaned in time to ensure continuous and efficient purification effect and consumes less energy and chemicals. It also has the advantages of simple and reasonable structure, convenient and reliable use, and The construction cost of the supporting building facilities is low

Method used

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  • Welt-process three-turn smoke-prevention, dust-control gas-purification device
  • Welt-process three-turn smoke-prevention, dust-control gas-purification device

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Effect test

Embodiment 1

[0013] Embodiment 1, the wet three-rotation smoke elimination and dust removal device of the present embodiment, its structure can be from figure 1 , figure 2 with image 3 As can be seen in the figure, it includes a clean gas outlet pipe 14 at the top, a tangential exhaust gas inlet pipe 4 at the bottom, an outlet pipe 3 for gray water and ash residue, and a tangential medicinal liquid nozzle provided on the side wall. The main tower 1 of circular cross-section of 6, coaxially installs an inner tower 2 with top plate 13 and central tunnel 2' in the main tower; Make the circular cylindrical space between the main tower and the inner tower be divided into an upper space 1 ' and a lower space 1 " that do not communicate with each other. The gray water and ash in the upper space 1' are discharged from the outlet pipe 10 of the upper space outside the main tower, and a set of outlets for exhaust gas to enter the inner tower from the lower space 1" of the main tower are provided...

Embodiment 2

[0017] Embodiment 2, the wet three-rotation smoke elimination and dust removal device of the present embodiment, its structure can be from figure 1 It can be seen in the figure that the difference from Example 1 is that its inner tower 2 is arranged as a Venturi tube 11 on the wall surface of the central channel 2' above the tangential inlet 7, that is, the inner diameter of the central channel 2' is from From bottom to top, it first shrinks and then expands, and there is a small section of equal diameter between the shrinking section and the expanding section. Through the Venturi tube 11, the gas-liquid mixing swirl flow entering the inner tower 2 central channel 2' from the tangential inlet 7 can be further accelerated, thereby enhancing the effect of the clean gas reaction and dust removal.

Embodiment 3

[0018] Embodiment 3, the wet three-rotation smoke elimination and dust removal device of the present embodiment, its structure can be from figure 1 and Figure 4 It can be seen in that, the difference from embodiment 1 or embodiment 2 is that its chemical liquid spray pipe 6 is arranged on the inner wall of the main tower above the waste gas inlet pipe 4, and between the chemical liquid spray pipe 6 and the waste gas inlet pipe 4 The inner wall of the main tower between is provided with a full circle of overflow tank 5 for the overflow of medicinal liquid. The overflow tank can accumulate the liquid medicine down the inner wall of the main tower, and when it is full, it will overflow from the top of the overflow tank; thus expanding the contact probability of the waste gas entering the tower and the liquid medicine, The gas-liquid mixing effect is improved.

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Abstract

The invention provides a wet-method three-stage smoke elimination, dust removal and gas purification device for purifying combustion smoke gas and organic waste gas with a double-alkali method, a sodium-alkaline method, a magnesium method, an ammonia method, a waste alkaline liquid method, a sea water method, and the like. The device comprises a main tower and an inner tower, wherein, the main tower is provided with a gas purification outlet pipe, a waste gas inlet pipe, an outlet pipe for ash water and ash slag, and a medicine liquid spraying pipe; the inner tower is provided with a top plate and a central duct, and is coaxial arranged with the main tower. The device is characterized in that a baffle plate for dividing the circular ring cylindrical space between the two towers into an upper space and a lower space which are not communicated with each other is fixedly connected between the main tower and the inner tower; the upper space is provided with a water outlet; the wall of the inner tower is provided with a tangential inlet and a tangential outlet; waste gas enters the central duct from the lower space through the tangential inlet and enters the upper space from the central duct through the tangential outlet; the side wall of the main tower is provided with a flush hole which can be used for removing ash in the tangential inlet and the tangential outlet. Therefore, the device can effectively eliminate smoke and remove fluorine, nitre, nitrogen and organic waste gas. The Ringelmann blackness of the smoke is less than or equal to grade one, the dust removal rate is more than or equal to 99.99 percent, the dust discharging concentration is less than or equal to 30mg / m<3>, and the desulfurization degree is more than or equal to 99 percent. Besides, the invention ensures continuous and efficient purification and lowers the cost of the towers and the device.

Description

technical field [0001] The invention relates to a waste gas purification device, which can be especially used for smoke elimination, dust removal and gas purification devices containing sulfur, fluorine, nitrate, nitrogen and some organic waste gases in boilers, smelting furnaces, sintering furnaces, kilns, garbage incinerators, etc., especially It is a wet three-rotation smoke elimination and dust removal purification device that can ensure the continuous and efficient purification process. Background technique [0002] The Chinese patent "three-rotation high-efficiency wet desulfurization dust collector" with application number 03146760.1 includes an upright main tower with an inner tower in the center, a flue gas outlet pipe at the top of the main tower, and a tangential pipe at the bottom. Flue gas inlet pipe, gray water and ash slag outlet pipe, tangential chemical liquid nozzle installed on the tower wall, cyclone centrifugal dehydration device installed on the top of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/50B01D50/00
Inventor 林新
Owner 林新
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