A wet classification dust removal device and application
A dust removal device and wet technology, applied in separation methods, dispersed particle separation, chemical instruments and methods, etc., can solve the problems of insufficiency and low dust removal efficiency, and achieve the effects of small resistance, improved dust removal efficiency, and increased specific surface area.
Active Publication Date: 2018-08-14
AEROSPACE ENVIRONMENTAL ENG
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Problems solved by technology
However, the dust removal efficiency of the traditional single wet dust collector is low, which cannot meet the emission standards required by the national environmental protection requirements
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[0025] The present invention will be further elaborated below in conjunction with the accompanying drawings and through examples. The following examples are only illustrative, not restrictive, and the protection scope of the present invention cannot be limited by the following descriptions.
[0026] Structures, connections, etc. that are not described in detail in the present invention can be understood as conventional technical means in the art.
[0027] A wet classification dust removal device, such as figure 1 As shown, the device includes a device housing, a first-level coarse dust removal device, a second-level fine dust removal device, a spray system, a mist removal system 12, an air outlet 13 and a water tank system. At the bottom, the air outlet is set on the top of the device housing, and the secondary fine dust removal device and the mist removal system are sequentially arranged on the device housing between the first-level coarse dust removal device and the air outl...
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The invention relates to a wet type grading dust removal device, which comprises a device case, a primary coarse dust removal device, a secondary fine dust removal device, a spraying system, a defogging system, an air outlet opening and a water tank system, wherein the primary coarse dust removal device is arranged at the bottom of the device case; the air outlet opening is formed in the top of the device case; the secondary fine dust removal device and the defogging system are sequentially and separately arranged on the device case positioned between the primary coarse dust removal device and the air outlet opening from bottom to top; the spraying system can perform spraying on the secondary fine dust removal device; the water tank system is arranged outside the device case and is arranged in a way of being connected with the primary coarse dust removing device. The wet type grading dust removal device has the advantages that the structure is compact; the resistance is small; the investment cost is low; through the secondary dust removal, the dust removal efficiency is improved; the device can ensure the discharging concentrate of the outlet dust to be below 5mg / Nm<3>; the discharging standard of Chinese environment-protection requirements is achieved.
Description
technical field [0001] The invention belongs to the technical field of environmental protection, in particular to a wet classification dedusting device and its application. The device can be used in the treatment of dusty flue gas. Background technique [0002] In recent years, wet dust collectors have been widely used in coal-fired boilers, chemical pharmaceuticals, food processing, metallurgy, casting and other industries due to their simple structure, low equipment investment, and high dust removal efficiency. While removing dust particles, the wet dust collector can also remove gaseous pollutants in the gas, which not only plays the role of dust removal, but also plays the role of purification. Compared with electrostatic precipitators and bag filters, wet precipitators can handle high-temperature, high-humidity airflows, and flammable and explosive dust-laden gases. However, the traditional single wet dust collector has low dust removal efficiency and cannot meet the e...
Claims
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IPC IPC(8): B01D47/12
CPCB01D47/12
Inventor 姚亮郭秉楠李刚李烁胡景丽米星赵永刚赵行张杰立邓丽娜俞景茹
Owner AEROSPACE ENVIRONMENTAL ENG