Production system for anti-pollution chemical coating on surface of metal in water

A chemical coating and production system technology, which is applied in chemical instruments and methods, chemical/physical processes, chemical/physical/physicochemical processes, etc., can solve problems such as inactivation of liquid coatings, reduced stirring effect, and overcooling. To achieve the effect of low manufacturing cost, maintain the best properties, and avoid partial overheating

Inactive Publication Date: 2014-05-28
SHANDONG FUDA DECORATION ENG +1
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AI-Extracted Technical Summary

Problems solved by technology

During the stirring process, temperature control is very important. If the temperature is too high, the liquid coating will easily react, resulting in the inactivation of the liquid coating, and the loss of anti-pollution and adhesion capabilities; if the temperature is too low, the liquid coating will be cured, an...
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Method used

[0012] In order to save pipelines, there are several heat exchange coils 13, and a liquid splitter 15 is set on the liquid outlet pipe 16, and the liquid splitter 15 is connected to the heat exch...
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Abstract

The invention provides a production system for an anti-pollution chemical coating on the surface of metal in water. The production system comprises a solid melting furnace, a stirrer and a liquid storage tank, wherein a feeding pipe is arranged between the solid melting furnace and the stirrer, a discharging pipe is arranged between the stirrer and the liquid storage tank, the stirrer comprises an outer shell, an inner shell and a top cover, a mixer shaft is arranged in the inner shell, stirring blades are arranged on the mixer shaft, a stirring motor is mounted on the top cover, the output shaft of the stirring motor is connected with the mixer shaft, a spiral separator plate is arranged between the outer shell and the inner shell, the upper parts of the outer shell and the inner shell are provided with a liquid inlet pipe, the lower part of the outer shell is provided with a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are both connected with a heat exchanger. According to the invention, heat exchanging liquid between the inner shell and the outer shell of the stirrer is allowed to uniformly flow from top to bottom around the inner shell, uniformity of heating of each part at the periphery of the stirrer is maintained, so the problem that some parts are too hot while some parts are too cold during heating of the periphery of the stirrer is overcome, and a liquid coating is maintained at an excellent environment during stirring, thereby guaranteeing that properties of the chemical coating maintain optimal.

Application Domain

Chemical/physical/physico-chemical processes

Technology Topic

Compound (substance)Liquid storage tank +6

Image

  • Production system for anti-pollution chemical coating on surface of metal in water
  • Production system for anti-pollution chemical coating on surface of metal in water

Examples

  • Experimental program(1)

Example Embodiment

[0009] Water metal anti-pollution chemical coating production system, such as figure 1 As shown, it includes a solid melting furnace 1, a stirrer and a liquid storage tank 19. A feed pipe 2 is provided between the solid melting furnace 1 and the stirrer, and a discharge pipe 18 is provided between the stirrer and the liquid storage tank 19, and the stirrer includes The outer shell 17, the inner shell 11 and the top cover 8, the inner shell 11 is provided with a stirring shaft 10, a stirring blade 14 is arranged on the stirring shaft 10, a stirring motor 9 is installed on the top cover 8, and the output shaft of the stirring motor 9 is connected to the stirring shaft 10, and the outer shell A spiral partition 7 is arranged between 17 and the inner shell 11. The upper part of the outer shell 17 and the inner shell 11 is provided with a liquid inlet pipe 4, and the lower part of the outer shell 17 is provided with a liquid outlet pipe 16, and the liquid inlet pipe 4 and the liquid outlet pipe 16 are both connected Heat exchanger 3. The production process of the chemical coating is as follows: the solid raw materials enter the solid melting furnace 1 and then fuse into a liquid state, enter the agitator from the feed pipe 2, and enter the liquid storage tank 19 through the discharge pipe 18 after stirring. The liquid storage tank 19 Different spray guns 20 are connected, and the spray gun directly sprays the metal. The heat exchange process is: the heat exchanger 3 enters the high-temperature heat exchange liquid (refrigerant such as hot oil) from the liquid inlet pipe 4 into between the inner shell 11 and the outer shell 17, and the heat exchange liquid flows through the spiral partition 7, The liquid flows out from the outlet pipe 16 and returns to the heat exchanger 3, thereby completing the heating function. In the present invention, the heat exchange liquid between the inner shell and the outer shell of the agitator evenly flows around the inner shell from top to bottom to maintain the uniformity of the heating parts of the outer periphery of the agitator, thereby avoiding partial overheating during the heating process of the outer periphery of the agitator. The problem of partial overcooling keeps the liquid coating in a good environment during the stirring process, so as to ensure that the properties of the chemical coating remain optimal.
[0010] In order to make the heat exchange of each level more uniform, an array of stirring blades 14 are sequentially arranged on the stirring shaft 10 from top to bottom, and the angle between the stirring shaft 10 and the vertical is α, α=10-15°. During the stirring process, the stirring blade 14 makes the local up and down flow to reduce the influence of different heights in the liquid on the temperature, and can make the liquid from the bottom to the upper part circulate to flow mutually, thereby promoting the heat exchange effect between the liquids and maintaining the temperature balance .
[0011] In order to keep the liquid coating in the feed pipe 2 and the discharge pipe 18 inconvenient, such as figure 2 As shown, both the feed pipe 2 and the discharge pipe 18 are provided with a heat exchange coil 13, the heat exchange coil 13 is wound around the outer periphery of the feed pipe 2 and the discharge pipe 18, the feed pipe 2 and the discharge pipe A thermometer 12 is installed on all 18, and the heat exchange coil 13 is connected to the heat exchanger 3. The feeding tube 2 and the discharging tube 18 are subjected to temperature testing by a thermometer 12, and heat transfer is performed through the heat exchange coil 13, so as to ensure that the liquid coating form in the feeding tube 2 and the discharging tube 18 is inconvenient.
[0012] In order to save pipelines, there are several heat exchange coils 13, a liquid splitter 15 is provided on the liquid outlet pipe 16, and the liquid splitter 15 is connected to the heat exchange coil 13. The heat exchange channel formed by the inner shell and the outer shell is connected in series with the liquid splitter 15, reducing the use of pipe fittings and saving costs.
[0013] The technical solution of the present invention is not limited to the scope of the embodiments of the present invention. The technical contents not described in detail in the present invention are all known technologies.

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