Concentrated solution for hydraulic support for mines and preparation method

A technology of hydraulic support and concentrated liquid, which is applied in the petroleum industry, lubricating compositions, etc., can solve problems such as hidden dangers in mines, machinery and people, incomplete formula functions, groundwater pollution, etc., and achieves low-temperature startup sensitivity, high flash point, and volatile small effect

Inactive Publication Date: 2013-05-01
山东三晶润滑科技有限公司
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AI-Extracted Technical Summary

Problems solved by technology

[0002] At present, the oil used for hydraulic supports in coal mines and mines has incomplete formula functions, is not environm...
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Abstract

The invention provides a concentrated solution for a hydraulic support for mines and a preparation method, and belongs to the field of oil for the hydraulic support. The concentrated solution comprises the raw materials in parts by weight as follows: 12-18 parts of an antirust agent, 22-27 parts of a composite lubricating agent, 6-10 parts of EDTA (ethylene diamine tetraacetic acid) disodium, 6-8 parts of urea, 5-7 parts of POEA-15, 0.5-1 part of a silicone emulsion and 40-50 parts of water. The preparation method comprises the steps that:1), 6-9 parts of tribasic acid, 1-1.2 parts of hydroxy acid, 1.8-2 parts of boric acid, 11-12 parts of triethanolamine, 1 part of water and 0.3-0.5 part of benzotriazole are utilized to prepare the antirust agent; 2), 5-9 parts of boric acid, 3-6 parts of water, 3-8 parts of monoethanolamine and 12-15 parts of castor oil soda soap are used to prepare the composite lubricating agent; and 3), the raw materials are mixed to prepare the concentrated solution. According to the concentrated solution for the hydraulic support for mines and the preparation method, the condensation point of the concentrated solution is low and is about subzero 30 DEG C, and the concentrated solution is used in the hydraulic system and has the characteristics of sensitive starting at a low temperature, stable operation at a high temperature, small volatility, excellent stability, anti-rust property, cleanliness and lubricity, good protection effect on the hydraulic support sealing system, energy conservation and environmental protection. Therefore, the concentrated solution and the preparation method are particularly suitable for being used in mines.

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Technology Topic

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  • Concentrated solution for hydraulic support for mines and preparation method

Examples

  • Experimental program(3)

Example Embodiment

[0032] Example 1:
[0033] The concentrated liquid for mining hydraulic supports of the present invention contains the following raw materials by weight:
[0034] Rust inhibitor: 12 parts, compound lubricant: 22 parts, EDTA disodium: 6 parts, urea: 6 parts, POEA-15: 5 parts, emulsified silicone oil: 0.5 parts, water: 40 parts.
[0035] The rust inhibitor is made by mixing the following two rust inhibitors in parts by weight:
[0036] The first rust inhibitor: benzotriazole: 0.3 parts;
[0037] The second rust inhibitor is a mixture of the following parts by weight:
[0038] Tribasic acid: 6 parts, hydroxy acid: 1 part, boric acid: 1.8 parts, triethanolamine: 11 parts, water: 1 part;
[0039] The compound lubricant is castor oil sodium soap and ammonium borate, which are mixed in the following parts by weight:
[0040] Sodium castor oil soap: ammonium borate = 1:1.
[0041] The preparation method of the above-mentioned concentrated liquid for mine hydraulic support is carried out according to the following steps:
[0042] 1) First, add 6 parts of tribasic acid, hydroxy acid: 1 part, boric acid: 1.8 parts, triethanolamine: 11 parts, and water: 1 part in the first reaction kettle. Mix the above raw materials and heat up to 80°C. After reacting for 1.5 hours, 0.3 parts of benzotriazole are added and mixed thoroughly to prepare a rust inhibitor.
[0043] 2) Add 5 parts of boric acid, 3 parts of water, and 3 parts of monoethanolamine to the second reactor, mix well and heat up to 90°C, react for 2 hours to prepare amine borate, and then add 12 parts of castor oil sodium soap. Mix well to make a compound lubricant.
[0044] 3) Add the compound lubricant in the second reactor to the rust inhibitor in the first reactor, and add the following raw materials by weight at a temperature of 60-80°C: disodium EDTA: 6 parts , Urea: 6 parts, POEA-15: 5 parts, emulsified silicone oil: 0.5 parts, water: 40 parts, so as to prepare the concentrated liquid for mine hydraulic supports of the present invention.

Example Embodiment

[0045] Example 2:
[0046] The concentrated liquid for mining hydraulic supports of the present invention contains the following raw materials by weight:
[0047] Rust inhibitor: 18 parts, compound lubricant: 27 parts, EDTA disodium: 10 parts, urea: 8 parts, POEA-15: 7 parts, emulsified silicone oil: 1 part, water: 50 parts.
[0048] The rust inhibitor is made by mixing the following two rust inhibitors in parts by weight:
[0049] The first rust inhibitor: benzotriazole: 0.5 parts;
[0050] The second rust inhibitor is a mixture of the following parts by weight:
[0051] Tribasic acid: 9 parts, hydroxy acid: 1.2 parts, boric acid: 2 parts, triethanolamine: 12 parts, water: 1 part.
[0052] The compound lubricant is castor oil sodium soap and ammonium borate, which are mixed in the following parts by weight:
[0053] Sodium castor oil soap: ammonium borate = 1.5:1.
[0054] The preparation method of the above-mentioned concentrated liquid for mine hydraulic support is carried out according to the following steps:
[0055] 1) First, add 9 parts of tribasic acid, hydroxy acid: 1.2 parts, boric acid: 2 parts, triethanolamine: 12 parts, and water: 1 part in the first reaction kettle. The above raw materials are fully mixed and the temperature is raised to 100°C. After reacting for 1.8 hours, 0.5 part of benzotriazole is added and mixed thoroughly to prepare a rust inhibitor.
[0056] 2) Add 9 parts of boric acid, 6 parts of water, and 8 parts of monoethanolamine to the second reactor, mix well and heat up to 120°C, react for 2.5 hours to make amine borate, and then add 15 parts of castor oil sodium soap, Mix well to make a compound lubricant.
[0057] 3) Add the compound lubricant in the second reactor to the rust inhibitor in the first reactor, and add the following raw materials by weight at 80°C: disodium EDTA: 10 parts, urea : 8 parts, POEA-15: 7 parts, emulsified silicone oil: 1 part, water: 50 parts, so as to prepare the concentrated liquid for mine hydraulic supports of the present invention.

Example Embodiment

[0058] Example 3:
[0059] The concentrated liquid for mining hydraulic supports of the present invention contains the following raw materials by weight:
[0060] Rust agent: 15 parts, compound lubricant: 45 parts, EDTA disodium: 8 parts, urea: 7 parts, POEA-15: 6 parts, emulsified silicone oil: 0.8 parts, water: 45 parts.
[0061] The rust inhibitor is made by mixing the following two rust inhibitors in parts by weight:
[0062] The first rust inhibitor: benzotriazole: 0.4 parts;
[0063] The second rust inhibitor is a mixture of the following parts by weight:
[0064] Tribasic acid: 8 parts, hydroxy acid: 1.1 parts, boric acid: 1.9 parts, triethanolamine: 11.5 parts, water: 1 part.
[0065] The compound lubricant is castor oil sodium soap and ammonium borate, which are mixed in the following parts by weight:
[0066] Sodium castor oil soap: ammonium borate = 1.3:1.
[0067] The above-mentioned preparation method of concentrated liquid for mine hydraulic supports is carried out according to the following steps:
[0068] 1) First, add 8 parts of tribasic acid, 1.1 parts of hydroxy acid, 1.9 parts of boric acid, 11.5 parts of triethanolamine, and 1 part of water to the first reaction kettle. The above raw materials are fully mixed and the temperature is raised to 90°C. After reacting for 1.7 hours, 0.4 part of benzotriazole was added and mixed thoroughly to prepare a rust inhibitor.
[0069] 2) Add 7 parts of boric acid, 5 parts of water, and 6 parts of monoethanolamine to the second reactor, mix well and heat up to 105°C, react for 2.3 hours to make amine borate, and then add 14 parts of castor oil sodium soap, Mix well to make a compound lubricant.
[0070] 3) Add the compound lubricant in the second reactor to the rust inhibitor in the first reactor, and add the following raw materials by weight at 70°C: disodium EDTA: 8 parts, urea : 7 parts, POEA-15: 6 parts, emulsified silicone oil: 0.8 parts, water: 45 parts, so as to prepare the concentrated liquid for mine hydraulic supports of the present invention.
[0071] Through experiments of the present invention, the comparative data is as follows:
[0072]
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