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Anti-corrosion sedimentation tank and building method thereof

A construction method and technology of settling tanks, applied in the direction of settling tanks, etc., to achieve the effects of good designability, convenient installation and maintenance, and light weight

Inactive Publication Date: 2014-12-10
GUIYANG AL-MG DESIGN & RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The object of the present invention is to provide a corrosion-resistant sedimentation tank that can solve the corrosion resistance problem of the settlement tank well and ensure the working stability of the settlement tank Tank and its construction method to overcome the deficiencies of the prior art, so as to meet the production needs of the electrolysis industry
[0004]Technical scheme of the present invention: the construction method of a kind of corrosion-resistant settling tank of the present invention is, this method makes tank body with glass fiber reinforced plastics, to solve anti-corrosion problem; The bracket is made of carbon steel to support the trough, the rake installed in the trough and the driving device that drives the rake to run, so as to solve the problem that the poor rigidity of the trough cannot support the normal operation of the rake

Method used

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  • Anti-corrosion sedimentation tank and building method thereof
  • Anti-corrosion sedimentation tank and building method thereof
  • Anti-corrosion sedimentation tank and building method thereof

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Embodiment Construction

[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments, but not as any limitation to the present invention.

[0029] Embodiments of the invention. The structure diagram of the present invention is as Figure 1 to Figure 6 As shown, when implementing a construction method of a corrosion-resistant settling tank of the present invention, the method uses glass fiber reinforced plastics to make the tank body 1 to solve the anti-corrosion problem; make a support with carbon steel to support the tank body and the rake machine installed in the tank body 3 and the driving device 2 that drives the rake machine to run, to solve the problem that the poor rigidity of the tank cannot support the normal operation of the rake machine. The rake is a carbon steel weldment to meet the strength requirements of the rake; the surface of the rake is sprayed with an ECTFE anti-corrosion coating not less than 1.5mm thic...

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Abstract

The invention discloses an anti-corrosion sedimentation tank and a building method thereof. A tank body is made of glass fiber reinforced plastics, so the anti-corrosion problem is solved; and a support frame, a support tank body, a raking machine arranged in the tank body and a driving device driving the raking machine to operate are made of carbon steel, so the problem that the tank body has poor rigidity and can not support the raking machine to normally work is solved. The raking machine is a carbon steel welding element, in addition, ethylene-chlorotrifluoroethylene copolymer (ECTFE) anti-corrosion coatings with the thickness not less than 1.5mm are integrally sprayed and coated on the surface of the raking machine, the intensity requirement of the raking machine is met, and the anti-corrosion problem of the raking machine is also solved. A scraping plate is covered by more than 8.5mm of glass fiber wires or cloth, and the coatings on the scraping plate are prevented from being damaged when the scraping plate is used for scraping materials settled at the bottom of the tank body. The anti-corrosion problem of the sedimentation tank is perfectly solved, simultaneously, the work stability of the sedimentation tank is also ensured, and the production requirement of the electrolysis industry is met. The anti-corrosion sedimentation tank has the advantages that the structure is compact, the operation is stable, the sedimentation effect is good, economy and practicability are realized, and the like.

Description

technical field [0001] The invention relates to a corrosion-resistant settling tank and a construction method thereof, and belongs to the technical field of manufacturing solid-liquid separation equipment used in the alumina industry. Background technique [0002] The settling tank is a kind of solid-liquid separation equipment. The tank body of the conventional settling tank is made of carbon steel, which can only be used to separate non-corrosive or less corrosive mixed liquid. However, in the alumina industry, the mixed liquid to be separated is highly corrosive to carbon steel and stainless steel, so conventional settling tanks are used in the alumina industry. How to solve the problem of tank corrosion resistance has become the key to solving the problem. FRP also has good corrosion resistance and can be used as a material for making settlement tanks. However, FRP is made of glass fiber or glass fiber cloth bonded by resin, which has poor rigidity and cannot support th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D21/02
Inventor 易刚
Owner GUIYANG AL-MG DESIGN & RES INST
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