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A four-tower combined plasma treatment system for foundry waste gas

A plasma and waste gas technology, which is applied to combined devices, casting equipment, multi-stage water/sewage treatment, etc. It can solve the problems of no effective removal method and complex working conditions, and achieve the effect of efficient removal and simple operation process.

Inactive Publication Date: 2017-06-20
张利 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0016] Due to its complex working conditions, there is no effective method to remove it

Method used

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  • A four-tower combined plasma treatment system for foundry waste gas

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with accompanying drawing.

[0031] As shown in the figure, a four-tower combined plasma treatment system for foundry waste gas includes a gas collection hood 1 located above the outlet of the exhaust pipe, a first spray tower 2, a second spray tower 3, and a plasma processor 4 And the third spray tower 5, the gas collection hood 1 is connected to the entrance of the first spray tower 2 through a pipeline; the outlet of the first spray tower 2 passes through the entrance of the second spray tower 3 The pipeline is communicated; the outlet of the second spray tower 3 is connected with the inlet of the plasma processor 4 through the pipeline, and the outlet of the plasma processor 4 is communicated with the third spray tower 5 through the inlet of the pipeline, so The outlet of the third spray tower 5 is connected with an exhaust pipe 7 for exhaust gas; the bottom of the third spray tower 5 is connected ...

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Abstract

The invention discloses a casting waste gas processing system with a four-tower-combination plasma body. The casting waste gas processing system with the four-tower-combination plasma body comprises a gas skirt, a first spray tower, a second spray tower, a plasma body processor and a third spray tower which are arranged above an exhaust-pipe outlet. The casting waste gas processing system with the four-tower-combination plasma body has the advantages that the industrial operation is convenient, clean production is achieved, after the casting waste gas is processed with the four-tower-combination plasma body, not only can the flue-gas temperature of the casting waste gas be lowered, but also the particulate matter and nitric oxide in the casting waste gas are removed effectively, and the problem that the casting waste gas pollutes the environment is solved completely.

Description

technical field [0001] The invention relates to a waste gas treatment device, in particular to a four-tower combined plasma treatment system for casting waste gas, which belongs to the technical field of waste gas treatment equipment. Background technique [0002] Investment casting generally adopts the investment casting process, which is to make a fusible model with fusible materials such as wax, and coat several layers of special refractory coatings on it, after drying and hardening to form an integral shell, and then use it The hot water heating method melts the model from the shell, then puts the shell in a sand box, fills it with dry sand for molding, and finally roasts the mold at a high temperature in a roasting furnace, and pours molten metal into it to obtain casting. [0003] The exhaust gas generated during the casting process is mainly recognized as follows: [0004] 1. Molding, core making, sand treatment of industrial dust [0005] Dust: The main components...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D45/00B01D50/00B01D53/75B01D53/76B01D53/78C02F9/04
CPCY02A50/2351
Inventor 赵同强张利杜建飞
Owner 张利