CN113860521A - Solid phosphorus-free water quality stabilizer for heating water and preparation method thereof - Google Patents

Solid phosphorus-free water quality stabilizer for heating water and preparation method thereof Download PDF

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Publication number
CN113860521A
CN113860521A CN202111304749.1A CN202111304749A CN113860521A CN 113860521 A CN113860521 A CN 113860521A CN 202111304749 A CN202111304749 A CN 202111304749A CN 113860521 A CN113860521 A CN 113860521A
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Prior art keywords
sodium
water
percent
water quality
heating
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袁乃近
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Shandong Aipute Heating And Ventilating Technology Co ltd
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Shandong Aipute Heating And Ventilating Technology Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/105—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances combined with inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/02—Non-contaminated water, e.g. for industrial water supply

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

The invention discloses a solid phosphorus-free water quality stabilizer used in the field of heating water treatment, which comprises the main components of 24.5-28.65% of sodium humate; 11.5 to 13.45 percent of sodium lignosulfonate; 12.4 to 15 percent of sodium gluconate; 1.45 to 3.75 percent of sodium molybdate; 5.15 to 6.75 percent of sodium bicarbonate; 21.5 to 22.65 percent of sodium carbonate; 4.5 to 5.9 percent of sodium hydroxide; the balance of sodium acetate, and is prepared by mixing through a powder stirrer. The application method comprises the steps of filling the water into a heating and ventilating water system according to 200-500ppm, forming filterable floccules by suspended matters, hardness ions and partial chloride ions in the water through action mechanisms of charge adsorption, long chain including winding, chelation and the like, and filtering and removing the floccules through a Y-shaped filter in a bypass pipeline. The invention has the outstanding innovation point that a phosphorus-free formula is adopted, so that the scale inhibition, corrosion prevention and sterilization effects on a system can be realized, the pipeline cleaning agent can clean the pipeline, strip old scales and rust in the pipeline, and simultaneously can stabilize water quality and clean and remove redundant ions in the water quality, thereby playing a role in stabilizing the water quality.

Description

Solid phosphorus-free water quality stabilizer for heating water and preparation method thereof
Technical Field
The invention relates to the field of heating water for heating ventilation, in particular to a solid phosphorus-free water quality stabilizer for heating water for heating ventilation and a preparation method thereof.
Background
Along with the development of world economy, the energy problem is increasingly prominent, the energy consumption condition of buildings is more and more emphasized by people, the proportion of the energy consumption of heating ventilation in the energy consumption of buildings is very high, particularly the water consumption in a heating water system of heating ventilation, and the heat waste loss caused by the heat transfer resistance is high.
The main problems of the heating circulating water system are that the heat exchange efficiency is influenced by the scaling of heat exchange equipment, the water quality of heating water is deteriorated due to the corrosion of the heating circulating water system, secondary pollution is caused, and the heat transfer is influenced due to the rust deposition and blockage of a radiator at the tail end of a pipe network. When the heating water passes through the heat exchange equipment, a large amount of scales can be separated out due to the rise of heat transfer temperature, and the scales can be attached to the surface of the heat exchanger, so that the heat exchange efficiency is influenced, and the heat waste is caused. In addition, the heating water belongs to a closed circulating water system, the operation temperature is 75-100 ℃, the temperature is high, the activity of various ions is high, and electrochemical corrosion can occur in areas with high chloride ion concentration, high-temperature areas and scaling areas. The corrosion products cause the deterioration of the water quality of heating water, increase of impurities and increase of chromaticity and turbidity, and can be continuously deposited at the tail end of a radiator with slow water flow, so that a pipe network is blocked, and vicious circle is caused.
Currently common treatment measures are physical filtration, electronic treatment, chemical treatment. The most widely used is the chemical treatment technology, one is water source softening, but the defects are that equipment is required to be put into the softening resin, and the softening resin needs to be replaced regularly; one is to add corrosion and scale inhibitor, which has the defect that the corrosion and scale inhibitor on the market is a phosphorus-containing product, can only delay the scaling and corrosion tendency, cannot play a role in sterilizing, cannot play a role in cleaning pipelines after long-term operation, and cannot improve the quality of heating water.
Disclosure of Invention
In order to solve the defects of the technology, the invention provides a solid phosphorus-free water quality stabilizer for heating water and a preparation method thereof.
In order to solve the technical problems, the invention adopts the technical scheme that: a solid phosphorus-free water quality stabilizer for heating water, which is characterized in that: comprises the following components: sodium humate, sodium lignosulphonate, sodium gluconate, sodium molybdate, sodium bicarbonate, sodium carbonate, sodium hydroxide and sodium acetate.
Further, the material composition comprises the following raw materials in percentage by mass:
Figure BDA0003339772210000021
a preparation method of a solid phosphorus-free water quality stabilizer for heating water comprises the following preparation steps:
(1) according to the dosage of 200 plus 500ppm, the mixture is added into a heating and ventilating water heating system;
(2) suspended matters, hardness ions and partial chloride ions in water form filterable floccules through action mechanisms of charge adsorption and long chain including winding, chelation and the like;
(3) and filtering and removing the waste water by a Y-shaped filter in a bypass pipeline.
The invention discloses a formula of a researched and developed medicament which is completely phosphorus-free, wherein sodium gluconate has good effects of cleaning pipelines and stripping old scales, and particularly has better compounding effect with other components; the sodium acetate, the sodium carbonate, the sodium bicarbonate and the sodium hydroxide can maintain the heating water in a reasonable pH range, and in the pH range, the water quality can be well prevented from being corroded and scaled even if large fluctuation occurs; the sodium humate and the sodium lignosulfonate can wrap chelated impurities, iron slag and scale slag to form floccules with proper diameters, and most importantly, the floccules can absorb a part of chloride ions and are removed by matching with a Y-shaped filter of a bypass system. The single components in the invention have respective obvious performance and are medicaments which are easily thought, but the components are compounded together according to the most appropriate proportion, so that the components can assist each other, an action environment with the optimal performance is created, the medicament can tolerate the water quality of various water sources, and a side filter with lower precision can be assisted.
Detailed Description
The invention provides a solid phosphorus-free water quality stabilizer for heating water, which comprises the following specific components in percentage by weight:
24.5 to 28.65 percent of sodium humate;
11.5 to 13.45 percent of sodium lignosulfonate;
12.4 to 15 percent of sodium gluconate;
1.45 to 3.75 percent of sodium molybdate;
5.15 to 6.75 percent of sodium bicarbonate;
21.5 to 22.65 percent of sodium carbonate;
4.5 to 5.9 percent of sodium hydroxide;
the balance of sodium acetate.
Mixing and stirring the components in a powder mixer according to the proportion.
The stabilizer is a phosphorus-free formula, single components in the stabilizer have respective obvious performance, and the stabilizer is a medicament which is easily thought, but the components are compounded together according to the most appropriate proportion, so that the components can assist each other, an action environment with the optimal performance is created, the medicament can tolerate the water quality of various water sources, and a side filter with lower precision can also be assisted.
The sodium humate is a multifunctional macromolecular organic weak acid sodium salt, the structure of the sodium humate is complex, known humic acid molecules contain benzene rings, condensed rings and certain heterocycles (such as pyrrole, furan, indole and the like), the aromatic rings are connected by bridge bonds, the aromatic rings have more active functional groups, mainly carboxyl, phenolic groups, hydroxyl, methoxyl, quinonyl and the like, the sodium humate has larger molecular weight and larger internal surface area, and can be associated and synthesized into larger particles in a certain medium, so that the sodium humate has stronger adsorption, exchange, complexation and chelating capabilities.
The sodium lignosulfonate is a water-soluble multifunctional polymer electrolyte, belongs to lignosulfonate, has the capability of dispersing biological slime, iron oxide scale and calcium phosphate scale, and can generate a stable complex with zinc ions and calcium ions. The action mechanism is surface active action, the molecule of the organic compound has two groups of hydrophile and hydrophobe, and the hydrophobe is various alkyl or alkaryl; the hydrophilic group is salt capable of dissociating ion, the hydrophobic group is adsorbed onto the surface of suspended matter and the hydrophilic group is directed to water solution to constitute single or multiple molecular adsorbing group, and through the synergistic effect of charge adsorption, other chelating agent and flocculant, the grains are adsorbed and aggregated into macro molecular floccule for filtering and elimination.
The sodium gluconate is polyhydroxy carboxylate, has excellent coordination capacity to iron, calcium, copper and other ions in aqueous solution to generate a stable complex, and simultaneously, five hydroxyl groups in the molecule are easy to form stable filterable floccules by hydrogen bond adsorption, long-chain winding, the synergy of the organic macromolecules and the like to suspended matters, hardness ions and partial chloride ions in water.
The invention has the outstanding innovation points that the developed medicament is a phosphorus-free formula, wherein the sodium gluconate has good effects of cleaning pipelines and stripping old scales, and particularly has better compounding effect with other components; the sodium acetate, the sodium carbonate, the sodium bicarbonate and the sodium hydroxide can maintain the heating water in a reasonable pH range, and in the pH range, the water quality can be well prevented from being corroded and scaled even if large fluctuation occurs; the sodium humate and the sodium lignosulfonate can wrap chelated impurities, iron slag and scale slag to form floccules with proper diameters, and most importantly, the floccules can absorb a part of chloride ions and are removed by matching with a Y-shaped filter of a bypass system. The single components in the invention have respective obvious performance and are medicaments which are easily thought, but the components are compounded together according to the most appropriate proportion, so that the components can assist each other, an action environment with the optimal performance is created, the medicament can tolerate the water quality of various water sources, and a side filter with lower precision can be assisted.
The present invention will be described in further detail with reference to specific embodiments. To aid in understanding the context of the present invention. The method used in the invention is a conventional method if no special provisions are made; the raw materials and the apparatus used are, unless otherwise specified, conventional commercially available products.
In the first embodiment, the first step is,
24.5 percent of sodium humate;
11.5 percent of sodium lignosulfonate;
12.4 percent of sodium gluconate;
1.45 percent of sodium molybdate;
5.15 percent of sodium bicarbonate;
21.5 percent of sodium carbonate;
4.5 percent of sodium hydroxide;
19 percent of sodium acetate.
Mixing and stirring the components in a powder mixer according to the proportion.
In the second embodiment, the first embodiment of the method,
28.65% of sodium humate;
13.45 percent of sodium lignin sulfonate;
15% of sodium gluconate;
3.75 percent of sodium molybdate;
6.75 percent of sodium bicarbonate;
22.65% of sodium carbonate;
5.9 percent of sodium hydroxide;
sodium acetate 7.6%
Mixing and stirring the components in a powder mixer according to the proportion.
In the third embodiment, the first step is that,
26.75% of sodium humate;
12.5 percent of sodium lignosulfonate;
13.75 percent of sodium gluconate;
2.85 percent of sodium molybdate;
5.95 percent of sodium bicarbonate;
22.05 percent of sodium carbonate;
5.3 percent of sodium hydroxide;
10.85 percent of sodium acetate.
Mixing and stirring the components in a powder mixer according to the proportion.
The following is a summary of further analysis of the performance results in the above examples, and specifically follows:
(1) experiment one: measurement of Corrosion and Scale inhibition Effect
The method comprises the following steps: the method is characterized in that a national standard GB-T18175-2000 method is adopted to distribute water, the rotating speed is adjusted by simulating the flow rate of heating water, the temperature is set at 60 ℃, the operation lasts 60 days, and after the experiment is finished, the weight loss of the carbon steel hanging piece and the scaling condition on the hanging piece are detected.
Medicament: examples 1 to three, and also the individual components in the formulation, were dosed at 500 ppm.
The experimental results are as follows:
Figure BDA0003339772210000061
and (4) conclusion: through the experiment, it can be seen that single components have certain corrosion and scale inhibition effects, but the components can play a good synergistic effect after being compounded together according to the formula proportion. Description while single component comparisons are easily contemplated for use, it is critical to see the proper range of ratios.
(2) Experiment two: determination of old scale stripping and rust stripping effects in pipeline cleaning
The experimental method comprises the following steps: taking a radiator back from a residential district, cutting the radiator into blocks by a cutting machine, putting different blocks of radiators into different medicament solutions, carrying out constant-temperature water bath for 30 days at the temperature of 60 ℃, taking out the radiators, observing the metal surface, and judging whether the stripping effect is good or not.
Experimental agents: in the first to third examples, the dosage is 500 ppm.
The experimental results are as follows:
medicament Condition of metal surface
Example one Loose surface material, and is completely dispersed by washing with clear water
Example two Loose surface material, and is completely dispersed by washing with clear water
EXAMPLE III Loose surface material, and is completely dispersed by washing with clear water
Humic acid sodium salt The surface substances are mostly loose and partially scattered after being washed with clear water
Sodium gluconate Loose surface material, and is completely dispersed by washing with clear water
Lignosulfonic acid sodium salt The surface substances are mostly loose and partially scattered after being washed with clear water
Sodium molybdate The surface substances are loose in a small amount, and the small amount is washed away by clear water
Sodium carbonate The surface substances are loose in a small amount, and the small amount is washed away by clear water
Sodium bicarbonate The surface substances are loose in a small amount, and the small amount is washed away by clear water
Sodium hydroxide The surface substances are loose in a small amount, and the small amount is washed away by clear water
In conclusion, the scale dissolving and stripping effect of the product of the embodiment is excellent, and in an actual heating water pipeline, the old scale can be completely stripped by combining with the flushing of the pipeline flow velocity, and the old scale is removed by a bypass filter through forming floccules.
(2) Experiment three: stable water quality and determination of filter cooperation effect
The experimental method comprises the following steps: adding a certain amount of medicament into commonly used water replenishing tap water for heating water, reacting for 30min, then passing a water sample through a 10-micron small Y-shaped filter, and detecting the ion content and turbidity in the filtered water sample.
Experimental agents: in the first to third examples, the dosage is 500 ppm.
The experimental results are as follows:
Figure BDA0003339772210000071
Figure BDA0003339772210000081
in conclusion, experiments show that the water quality stabilizer disclosed by the invention can be used for completely improving water quality and reducing scaling and corrosion risks by matching with a bypass filter.
And (4) comprehensive conclusion: through the experiment, it can be seen that single components have certain corrosion and scale inhibition effects, but the components can play a good synergistic effect after being compounded together according to the formula proportion. Description while single component comparisons are easily contemplated for use, it is critical to see the proper range of ratios.
The method can be conjectured in the field practical application, combines the flow rate scouring of the heating water and the filtering action of the side filtering filter, can completely realize the effects of stabilizing the water quality, inhibiting scaling and corrosion, stripping old scales and cleaning pipelines, and can absolutely realize the real energy-saving and environment-friendly effects in the field of heating, ventilation and heating water.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make variations, modifications, additions or substitutions within the technical scope of the present invention.

Claims (3)

1. A solid phosphorus-free water quality stabilizer for heating water, which is characterized in that: comprises the following components: sodium humate, sodium lignosulphonate, sodium gluconate, sodium molybdate, sodium bicarbonate, sodium carbonate, sodium hydroxide and sodium acetate.
2. The solid phosphorus-free water quality stabilizer for heating water according to claim 1, which is characterized in that: the composite material comprises the following raw materials in percentage by mass:
Figure FDA0003339772200000011
3. a preparation method of a solid phosphorus-free water quality stabilizer for heating water, which is characterized by comprising the following steps: the preparation method comprises the following preparation steps:
(1) according to the dosage of 200 plus 500ppm, the mixture is added into a heating and ventilating water heating system;
(2) suspended matters, hardness ions and partial chloride ions in water form filterable floccules through action mechanisms of charge adsorption and long chain including winding, chelation and the like;
(3) and filtering and removing the waste water by a Y-shaped filter in a bypass pipeline.
CN202111304749.1A 2021-11-05 2021-11-05 Solid phosphorus-free water quality stabilizer for heating water and preparation method thereof Pending CN113860521A (en)

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