Dust and mist removal equipment, treatment tower and its application

A demisting equipment and equipment technology, applied to the separation of dispersed particles, chemical instruments and methods, combined devices, etc., can solve the problems of power consumption, increase the difficulty of water balance in the desulfurization system, increase operating costs, etc., and achieve improved demisting efficiency , Excellent dust and fog removal effect, saving equipment and operating costs

Active Publication Date: 2017-05-10
ZHONGJING ENVIRONMENTAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the wet electrostatic precipitator is placed behind the desulfurization tower, which will increase resistance. It uses closed-loop flushing water, which needs to continuously replenish raw water and discharge waste water, which increases the difficulty of water balance in the desulfurization system. The technical cost of a single product of the wet electrostatic precipitator High, the equipment investment cost is higher than that of ordinary electrostatic precipitators, and in addition to the power consumption of the dust collector itself, the auxiliary circulating water pump will also consume part of the electricity during operation, and the additives in the flushing water will also increase part of the operating cost, so its input and operating costs are too expensive

Method used

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  • Dust and mist removal equipment, treatment tower and its application
  • Dust and mist removal equipment, treatment tower and its application
  • Dust and mist removal equipment, treatment tower and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0050] In the present invention, the spray unit includes a dedusting liquid nozzle, and the dedusting liquid nozzle is arranged on the central axis and above the rotating blade group, and is used for supplying dedusting liquid to the inside of the guide cylinder. According to actual needs, one or more layers of dedusting liquid nozzles can be set, and the specific position, quantity and angle of the nozzles can be set according to the actual needs of dedusting and demisting. In the spray unit of the present invention, preferably, the number of the dedusting liquid nozzles is at least 2, more preferably 2-6. The included angle between the dedusting liquid nozzle and the vertical direction is 60-150°, preferably 90-120°. According to an embodiment of the present invention, the number of the dedusting liquid nozzles is 4, and the included angle with the vertical direction is 120°. According to a preferred embodiment of the present invention, the nozzle is located at about 1 / 2 of...

Embodiment 1

[0075] figure 1 It is a schematic diagram of the dust removal and mist removal equipment of the present invention, figure 2 It is a schematic diagram of the structure of the rotating blade group. The dust and mist removal equipment of the present invention includes a cylindrical guide tube 1, a central axis 4 is arranged on the central axis of symmetry inside the guide tube 1, and the central axis 4 passes through the first hub 51 and the second hub 52 It is fixed together with the guide tube 1, wherein the first hub 51 is a hollow structure, which is bonded and fixed with the central shaft 4 and the guide tube 1 respectively, and the second hub 52 is a solid structure, which is bonded and fixed with the central shaft 4. It is fixed with the guide tube 1 by screws.

[0076] A layer of rotating vane sets 2 is provided at the lower part of the guide tube 1 . The rotating blade set 2 includes an outer cylinder 8 , a blade set 9 and a central cylinder 10 . The outer cylinder ...

Embodiment 2

[0079]Change the angle of elevation of all blades to be 45°, and other conditions are the same as in Example 1.

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Abstract

The invention discloses a dedusting and demisting apparatus, a treating tower and application of the dedusting and demisting apparatus. The dedusting and demisting apparatus comprises a guide cylinder, a centre shaft, a rotary vane group, a mist spray unit and an interception ring, wherein the rotary vane group comprises a center cylinder, a vane group and an outer cylinder and is located in the guide cylinder, the guide cylinder sleeves the centre shaft, the center cylinder and the outer cylinder are coaxially arranged, the vane group comprises a plurality of vanes, one ends of the vanes are fixedly connected with the center cylinder, the other ends of the vanes are fixedly connected with the outer cylinder, the vanes are obliquely arranged and have an elevation angle of 20 to 60 DEG, and the mist spray unit comprises a dedusting liquid nozzle which is arranged on the centre shaft, located above the rotary vane group and used for providing a dedusting liquid to the interior of the guide cylinder. The dedusting and demisting apparatus provided by the invention has substantially improved dedusting and demisting efficiency and obviously reduced operation cost.

Description

technical field [0001] The invention relates to a dust and fog removal equipment, a processing tower and its application, in particular to a dust and fog removal equipment, a flue gas treatment tower and its application for dust and mist-laden flue gas after dust removal and desulfurization. Background technique [0002] China is a large coal-based energy consumer, but also a major steel producer. A large amount of dust, sulfur dioxide, nitrogen oxides and other harmful substances will be produced in the process of coal burning and smelting. If the dust is not treated, it will enter the atmosphere with the flue gas, seriously affecting the visibility and air quality of the atmosphere, and sulfur dioxide is even more harmful. [0003] At present, the dust removal technologies applied to coal-fired power plants and sintering machines are mainly electrostatic dust removal and bag dust removal. Electrostatic precipitator has a very high dust removal efficiency for particles lar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/80B01D53/60B01D53/64B01D50/00
Inventor 童裳慧
Owner ZHONGJING ENVIRONMENTAL TECH CO LTD
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