Method for processing paint slag muck by separating slag muck from water

A technology of slag water separation and treatment method, which is applied in the direction of separation method, filtration separation, chemical instruments and methods, etc., can solve the problem that the disposal method cannot meet the actual production needs, and achieve the goal of solving disposal difficulties, eliminating potential hazards, and reducing fuel The effect of consumption

Active Publication Date: 2012-07-18
BEIJING BBMG BEISHUI ENVIROMENTAL TECH CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0010] In view of the current problems, the existing disposal methods cannot meet the actual production needs

Method used

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  • Method for processing paint slag muck by separating slag muck from water
  • Method for processing paint slag muck by separating slag muck from water

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Embodiment Construction

[0028] An embodiment of a treatment method for water separation of paint slag according to the present invention, its process flow includes the following steps as shown in the accompanying drawings:

[0029] (1) The water-containing paint waste collected from the market first enters the vertical mixing tank, and after mixing and stirring evenly, the water-containing paint residue in the tank is sent to the belt-type filter cloth machine by the air pump, and the belt-type filter cloth machine The distributor evenly distributes the paint slag on the filter cloth arranged on the annular belt; the entrance of the vertical mixing tank is provided with a grate, which can filter out larger cloth and other sundries contained in the paint slag. In this embodiment, the model of the tape-type filter cloth machine is: WG5 / 700; the aperture of the filter cloth is 200 mesh, that is, 0.074 mm.

[0030] (2) The ring-shaped belt on the belt-type filter cloth machine is driven continuously by t...

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Abstract

The invention relates to a method for processing paint slag muck by separating slag muck from water. The method comprises the steps of: pouring water-containing paint slag muck into an upright agitating tank to uniformly mix and agitate; conveying the water-containing paint slag muck from the tank to filter cloth at one end of a tape type filtering machine; vacuum filtering the water-containing paint slag muck continuously running on the filter cloth; collecting the filtrate by a transverse groove on the tape, wherein the filtrate enters a vacuum box from a center hole at the bottom of the groove and moves into a liquid draining tank from a suction filtering hole on the sidewall of the vacuum box to undergo gas-liquid separation; pumping the gas from the top of the liquid draining tank into a water-ring vacuum pump, and exhausting to a clean water tank through a gas outlet of the vacuum pump; draining the liquid from the bottom of the liquid draining tank into a water tank; moving the liquid into a settling pond through the water tank to suction filter; intercepting the solid particles stayed on the filter cloth caused by filtering to form filter cakes; and discharging the filter cakes. The method for processing paint slag muck by separating slag muck from water provided by the invention has the advantages that the water content in the paint slag muck is reduced, the influence of water content to the working condition in a kiln is reduced, the quantity of processed paint slag muck is increased, the effect of replacing some fuels by the paint slag muck is achieved, and the energy saving and emission reduction in cement production is promoted.

Description

technical field [0001] The invention relates to a treatment method for water separation of paint slag, which belongs to the fields of environmental protection and cement production. It can effectively reduce the moisture content of paint slag, thereby reducing the influence of water on kiln working conditions and fuel consumption, and increasing the consumption of fuel. It increases the disposal amount of paint slag and promotes energy saving and emission reduction in cement production. Background technique [0002] Paint waste is formed when a large amount of overspray paint mist and organic solvent gas generated during the spraying process of the workpiece are absorbed by circulating water and then added with flocculant to make the exhaust gas and overspray paint mist fully contact with circulating water. In the latest 2008 edition of the "National Hazardous Waste List", paint waste belongs to HW12 waste. [0003] The chemical composition of paint residue is generally mad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D33/04
Inventor 赵雍熊运贵张觊蔡金山王义春贾春利张科王航
Owner BEIJING BBMG BEISHUI ENVIROMENTAL TECH CO LTD
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