Antiscale agent for brine transportation pipeline and preparation method of antiscale agent

An anti-scaling agent and brine transport technology, which is applied in chemical instruments and methods, descaling and water softening, water/sludge/sewage treatment, etc., can solve the hidden dangers of nitrogen trichloride enrichment, impact on human health, and production safety and other problems, to achieve the effect of improving fluidity, saving energy consumption, and reducing the resistance of brine delivery

Active Publication Date: 2016-03-23
甘肃格瑞科技实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the formula of this patent contains toxic chemical raw materials, the toxic raw materials will remain in the finished salt product after adding the original brine, and long-term consumption will affect human health; in addition, the raw materials of this patent contain nitrogen, and the residual nitrogen in the finished salt When the saturated brine is electrolyzed in the chlor-alkali plant, it will cause the enrichment of nitrogen trichloride, which will bring safety hazards to production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] 1. Preparation of gluconic acid-malic acid-sodium pyrophosphate telomer

[0019] Raw material ratio: 15 parts of gluconic acid, 15 parts of malic acid, 5 parts of sodium pyrophosphate, 50 parts of purified water;

[0020] Preparation process: first add pure water into a stainless steel reactor, heat to 30-40°C, then add gluconic acid and stir for 5-10 minutes; slowly add sodium pyrophosphate under stirring, heat up to 40-50°C, stir for 30-40 minutes ; After cooling down to room temperature, add malic acid and stir for 20-30 minutes, and let stand for 10-15 minutes to obtain gluconic acid-malic acid-sodium pyrophosphate telomer.

[0021] 2. Preparation of anti-fouling agent

[0022] Raw material ratio: 15 parts of starch phosphate, 10 parts of sodium lignosulfonate, 20 parts of gluconic acid-malic acid-sodium pyrophosphate telomer, 30 parts of purified water;

[0023] Preparation process: Add pure water and sodium lignosulfonate into the enamel reaction kettle, heat to...

Embodiment 2

[0025] 1. Preparation of gluconic acid-malic acid-sodium pyrophosphate telomer

[0026] Raw material ratio: 20 parts of gluconic acid, 20 parts of malic acid, 10 parts of sodium pyrophosphate, 75 parts of purified water;

[0027] Preparation process: with embodiment 1.

[0028] 2. Preparation of anti-fouling agent

[0029] Raw material ratio: 25 parts of starch phosphate, 20 parts of sodium lignosulfonate, 30 parts of gluconic acid-malic acid-sodium pyrophosphate telomer, 40 parts of purified water;

[0030] Preparation process: with embodiment 1.

Embodiment 3

[0032] 1. Preparation of gluconic acid-malic acid-sodium pyrophosphate telomer

[0033] Raw material ratio: 18 parts of gluconic acid, 17 parts of malic acid, 8 parts of sodium pyrophosphate, 60 parts of purified water;

[0034] Preparation process: with embodiment 1.

[0035] 2. Preparation of anti-fouling agent

[0036] Raw material ratio: 20 parts of starch phosphate, 15 parts of sodium lignosulfonate, 25 parts of gluconic acid-malic acid-sodium pyrophosphate telomer, 35 parts of purified water;

[0037] Preparation process: with embodiment 1.

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PUM

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Abstract

The invention provides an antiscale agent for a brine transportation pipeline. The antiscale agent is prepared from starch phosphate, sodium lignin sulfonate, gluconic acid-malic acid-sodium pyrophosphate telomere and purified water according to a certain proportion. When the antiscale agent is used by three domestic salt plants, it is proved that undissolved salt crystals can be effectively prevented from being produced by high-concentration Ca2+ and Mg2+ in original brine after the antiscale agent is added to the original brine conveyed by the pipeline, and therefore it is avoided that when scales are produced by Ca2+ and Mg2+ in the pipeline for conveying the original brine, brine is not smoothly conveyed by the pipeline, the brine conveying resistance is eliminated, the brine mobility is improved, the brine conveying efficiency is effectively improved, and energy consumption is lowered; after long-term use, the agent has a certain effect on cleaning away existing scales. Meanwhile, non-toxic and harmless food additives are selected as the raw material, the residual antiscale agent in finished salt only accounts for one thousandth of the permissible dose in food, and human health is not influenced after the antiscale agent is eaten.

Description

technical field [0001] The invention relates to an anti-scaling agent, in particular to an anti-scaling agent for raw brine production from brine mining and transporting brine, which belongs to the field of salt industry production. technical background [0002] In the production of industrial brine mining, the raw brine extracted from underground salt mines is transported to the production workshop through the brine pipeline for refining. Due to the high concentration of Ca in the original brine 2+ , Mg 2+ , It is very easy to form process dirt in the original brine pipeline, which will increase the resistance of pipeline brine transmission, increase energy consumption, affect normal production, and need to stop production for cleaning and descaling, which is difficult and expensive to clean. [0003] Chinese patent application 201210311208.6 discloses a brine pipeline scale inhibitor, which is composed of hydroxyethylene diphosphoric acid, acrylic acid-2-acrylamide-2-met...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F5/14
CPCC02F5/14
Inventor 姜少华陈文明姜润泽
Owner 甘肃格瑞科技实业有限公司
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