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Special antifreezing powder for coal and ore-dressing plant powder

A technology of antifreeze powder and stone powder, which is applied in other chemical processes, chemical instruments and methods, etc., can solve problems such as economic losses, and achieve the effects of large working temperature range, strong water absorption, and low freezing point

Inactive Publication Date: 2004-12-29
北京中通润泽科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the process of transporting coal or ore powder by train in winter in our country, due to the freezing of coal, ore powder itself and wagons, it has caused many difficulties to transport units and users, causing many unnecessary economic losses. In order to solve this problem , the special antifreeze powder developed by us for coal and ore is of great significance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] Embodiment 1: produce 1000 gram antifreeze powders and include: calcium chloride dihydrate (CaCl 2 2H 2 O): 800 grams; corrosion inhibitor: 100 grams, wherein the corrosion inhibitor includes polycalcium tungstate: 40 grams, ammonium dodecylamine polyphosphonate: 35 grams, calcium gluconate: 15 grams, calcium wood phosphate: 10 grams; rust inhibitor (Na 2 NO 2 ): 35 grams; anti-slip agent (Na 2 B 4 o 7 10H 2 (2): 20 grams; Adhesive agent (carboxymethyl cellulose): 45 grams; after melting, stirring, mixing uniformly and making into powder, adding ammonia water, so that the pH value of the above composition is at 7~9, that is, Get antifreeze powder.

Embodiment 2

[0010] Embodiment 2: produce 1000 gram antifreeze powders and include: calcium chloride dihydrate (CaCl 2 2H 2 O): 820 grams; corrosion inhibitor: 80 grams, wherein the corrosion inhibitor includes polycalcium tungstate: 40 grams, ammonium dodecylamine polyphosphonate: 24 grams, calcium gluconate: 16 grams, calcium wood phosphate: 8 grams; rust inhibitor (Na 2 NO 2 ): 30 grams; anti-slip agent (Na 2 B 4 o 7 10H 2 (2): 10 grams; Adhesive agent (carboxymethyl cellulose): 57 grams; After melting, stirring, mixing, and making into powder, add ammonia water so that the pH value of the above composition is at 7 to 9, which is ready-made Get antifreeze powder.

Embodiment 3

[0011] Embodiment 3: produce 1000 gram antifreeze powders and include: calcium chloride dihydrate (CaCl 2 2H 2 O): 860 grams; corrosion inhibitor: 50 grams, wherein the corrosion inhibitor includes polycalcium tungstate: 20 grams, ammonium dodecylamine polyphosphonate: 18 grams, calcium gluconate: 10 grams, calcium phosphate wood: 5 g; rust inhibitor (Na 2 NO 2 ): 20 grams; anti-slip agent (Na 2 B 4 o 7 10H 2 (2): 15 grams; Adhesive agent (carboxymethyl cellulose): 55 grams; After melting, stirring, mixing, and making into powder, add ammonia water so that the pH value of the above composition is 7 to 9, which is ready-made Get antifreeze powder.

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PUM

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Abstract

The antifreezing powder specially for coal and ore consists of calcium chloride dihydrate, corrosion inhibitor, antirusting agent, skidproof agent, adhesive and ammonia water, and is prepared through crushing, mixing, forming powder, and adding ammonia to result in pH 7-9. It is used for winter transportation of coal and ore powder to prevent freezing. It has the advantages of high efficiency, low freezing point, high dissolvability, less corrosion and low cost.

Description

Technical field: [0001] The invention relates to a special antifreeze powder, in particular to a special antifreeze powder mainly used for antifreezing of coal and ore dressing powder, which is suitable for industries such as coal and ore dressing powder. Background technique: [0002] At present, in the process of transporting coal or ore powder by train in winter in our country, due to the freezing of coal, ore powder itself and wagons, it has caused many difficulties to transport units and users, causing many unnecessary economic losses. In order to solve this problem , the special antifreeze powder we developed for coal and ore is of great significance. Invention content: [0003] The object of the present invention is to provide a special antifreeze powder for coal and ore dressing powder which is used to prevent coal, ore dressing powder itself from freezing or prevent coal, ore dressing powder and wagons from freezing during transportation. [0004] The object of t...

Claims

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Application Information

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IPC IPC(8): C09K3/18
Inventor 周正平
Owner 北京中通润泽科技有限公司
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