CN113060844A - Phosphorus-free green environment-friendly hot water boiler water treatment agent - Google Patents
Phosphorus-free green environment-friendly hot water boiler water treatment agent Download PDFInfo
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- CN113060844A CN113060844A CN202110309631.1A CN202110309631A CN113060844A CN 113060844 A CN113060844 A CN 113060844A CN 202110309631 A CN202110309631 A CN 202110309631A CN 113060844 A CN113060844 A CN 113060844A
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- 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
- C02F5/12—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 containing nitrogen
- C02F5/125—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 containing nitrogen combined with inorganic substances
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Abstract
The invention discloses a phosphorus-free environment-friendly hot water boiler water treatment agent, which comprises the following components in percentage by weight: 20-24% of maleic anhydride, 10-20% of ammonia water, 10-15% of ethylene diamine tetraacetic acid, 13-18% of sodium polyaspartate, 10-12% of sodium hydroxide, 0.1-0.2% of copper corrosion inhibitor, 3-6% of assistant, 0.5-0.7% of imidazoline and 20-34% of water. The phosphorus-free environment-friendly hot water boiler water treatment agent can solve the problems of boiler tube explosion, pipe network leakage and the like caused by scaling of a boiler and a heat supply pipe network, removes water scales in a system, avoids formation of new scales and slows down metal corrosion of the system; the product is a phosphorus-free green environment-friendly water treatment agent, and secondary pollution caused by water eutrophication and discharge is avoided; can replace softened water treatment equipment, directly soften water quality, and enable indexes such as water quality, hardness and the like to meet the national standard requirements, thereby bringing better use prospect.
Description
Technical Field
The invention relates to the field of boiler and circulating water treatment agent technology and water softening treatment, in particular to a phosphorus-free environment-friendly hot water boiler water treatment agent.
Background
At present, heat transfer media of heating pipe networks and boilers in China are generally circulating water, the water quality is different all over the country, the contents of salts such as calcium, magnesium and the like in water are different, and the salts are precipitated and bonded on the metal surface to form scale after being heated. The heat conductivity coefficient of the water scale is very small, so that the heat transfer effect is deteriorated, the heat transfer efficiency is reduced, and the pipe wall of the boiler is locally overheated, even pipe explosion and pipe network scale corrosion occur to cause leakage;
due to the structural characteristics and the operation requirements of the pipe network and the boiler, the method is not suitable for removing the scale by adopting a mechanical method. Therefore, proper chemical methods are needed for treating and discharging water in pipe networks and boilers, such as adding an anticorrosion and antisludging agent into circulating water. At present, the national standard requirements on the circulating water quality after water treatment exist, but the corrosion and scale inhibitor mixed with the fish and the dragon on the market has no unified standard. The heat supply industry is not sufficient to know the quality and the effect of the medicament, the effect of the anti-corrosion scale inhibitor is considered to be very small, the problem retreatment of a pipe network and a boiler is achieved, or the pipeline is replaced when the boiler is exploded, the pipeline is corroded and leaked, the pipeline is replaced by a heat supply network pipeline buried everywhere, manpower and material resources are wasted, the heat supply is influenced more seriously, and the problem of civil life is solved. After the improper anti-corrosion scale inhibitor is added with the water, the effect of corrosion and scale inhibition cannot be achieved, secondary scaling is more likely to be caused, the heat exchange efficiency of boiler and plate exchange is further reduced, serious people cause boiler tube explosion and pipe network leakage, heating of a district is affected, national property loss and inconvenience for residents are caused, and the requirement of people is not met.
Disclosure of Invention
The invention mainly aims to provide a phosphorus-free environment-friendly hot water boiler water treatment agent, which can effectively solve the problems in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a phosphorus-free green environment-friendly hot water boiler water treatment agent comprises the following components in percentage by weight: 20-24% of maleic anhydride, 10-20% of ammonia water, 10-15% of ethylene diamine tetraacetic acid, 13-18% of sodium polyaspartate, 10-12% of sodium hydroxide, 0.1-0.2% of copper corrosion inhibitor, 3-6% of assistant, 0.5-0.7% of imidazoline and 20-34% of water.
Preferably, the phosphorus-free green environment-friendly hot water boiler water treatment agent comprises the following components in percentage by weight: 20-22% of maleic anhydride, 15-20% of ammonia water, 10-12% of ethylene diamine tetraacetic acid, 13-15% of sodium polyaspartate, 10-11% of sodium hydroxide, 0.1-0.2% of copper corrosion inhibitor, 4-6% of assistant, 0.5-0.6% of imidazoline and 20-34% of water.
Preferably, the phosphorus-free green environment-friendly hot water boiler water treatment agent comprises the following components in percentage by weight: 20% of maleic anhydride, 20% of ammonia water, 10% of disodium ethylene diamine tetraacetate, 13% of sodium polyaspartate, 10% of sodium hydroxide, 0.1% of copper corrosion inhibitor, 5% of auxiliary agent, 0.5% of imidazoline and 21.4% of water.
Preferably, the phosphorus-free green environment-friendly hot water boiler water treatment agent comprises one or a mixture of more of a dispersing agent, a bactericide and a pre-film protective agent.
Preferably, the use method of the phosphorus-free green environment-friendly hot water boiler water treatment agent comprises the following steps:
judging whether copper equipment exists in boiler equipment and a heat supply pipe network;
secondly, detecting a water quality test result to determine the later-stage dosage;
thirdly, adding the water treatment agent for the hot water boiler into a medicine box, and adjusting the water quality after setting the adding amount;
fourthly, calculating the weekly dosing amount according to the weekly water replenishing amount and the water replenishing quality, and adding medicine, removing scales and coating;
and fifthly, monitoring parameters of water in the boiler equipment and the heat supply pipe network.
Preferably, in the second step, the dosage is determined according to the water capacity and the water quality of the boiler equipment and the heat supply pipe network.
Preferably, the hot water boiler water treatment agent is added into the water tank by a funnel, and rubber gloves, protective glasses and a mask are worn when the hot water boiler water treatment agent is added.
Preferably, the pH value of the water is controlled to be 10-10.5 when the boiler equipment and the heat supply pipe network contain copper equipment, and the pH value of the water is controlled to be 9.5-10 when the boiler equipment and the heat supply pipe network contain copper equipment.
Preferably, in the fifth step, the pH value and the hardness of the water in the pipe network are monitored every day, a water sample is taken as the position of a water return pipe, the water supplementing amount, the medicine adding amount, the accumulated medicine adding amount and the medicine adding time are recorded every day, and L-semicylindric acid hydrochloride and triethanolamine are added for combined masking during hardness measurement.
Compared with the prior art, the invention provides a phosphorus-free green environment-friendly hot water boiler water treatment agent, which has the following beneficial effects:
1. the invention is an environment-friendly, non-phosphorus, non-toxic, pollution-free and easily biodegradable ecological environment-friendly corrosion and scale inhibitor, which has the functions of removing scale, inhibiting scale, cleaning old scale and rust of boilers and pipe networks, resists high-hardness water, strong alkali, high pH value and high temperature, has good stability, and has strong chelating capacity for calcium, magnesium, zinc and other transition metal ions, especially for heavy metals such as copper, iron, manganese and the like.
The scale inhibition effect is good;
2. the invention can solve the problems of boiler tube explosion, pipe network leakage and the like caused by scaling of the boiler and the heat supply pipe network, remove water scale in the system, avoid the formation of new scale and slow down the metal corrosion of the system; the product is a phosphorus-free green environment-friendly water treatment agent, and secondary pollution caused by water eutrophication and discharge is avoided; can replace softened water treatment equipment, directly soften water quality, and enable indexes such as water quality, hardness and the like to meet the national standard requirements;
3. old scale and old rust in a metal pipeline network can be removed, and scale-free operation is realized; zero discharge of a boiler and a pipe network is realized, water and heat are saved, fuel is saved, and energy conservation and consumption reduction are realized; the operation is simple, the corrosion inhibitor can be directly poured into a system, unmanned automatic dosing can be realized, the corrosion inhibitor does not corrode metal, and the corrosion inhibition efficiency is more than or equal to 99 percent; for equipment with a complex structure or small water flux in a circulating water system, such as a coiled pipe, a tubular heater, a plate heat exchanger and the like, the pipeline cannot be blocked after the water quality treatment by adding drugs.
Drawings
FIG. 1 is a flow chart of the method for using the phosphorus-free environment-friendly hot water boiler water treatment agent.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
A phosphorus-free green environment-friendly hot water boiler water treatment agent comprises the following components in percentage by weight: 20% of maleic anhydride, 16% of ammonia water, 11% of disodium ethylene diamine tetraacetate, 14% of sodium polyaspartate, 10% of sodium hydroxide, 0.1% of copper corrosion inhibitor, 5% of auxiliary agent, 0.6% of imidazoline and 23.3% of water.
The auxiliary agent comprises any one or a mixture of a plurality of dispersing agents, bactericides and pre-filming protective agents.
The use method of the phosphorus-free green environment-friendly hot water boiler water treatment agent comprises the following steps:
firstly, judging whether copper equipment exists in boiler equipment and a heat supply pipe network.
Secondly, detecting a water quality test result to determine the later-stage dosage;
and determining the dosage according to the water capacity and the water quality of boiler equipment and a heat supply pipe network.
Thirdly, adding the water treatment agent for the hot water boiler into a medicine box, and adjusting the water quality after setting the adding amount;
the hot water boiler water treatment agent is added into the water tank by adopting a funnel, and rubber gloves, protective glasses and a mask are worn when the hot water boiler water treatment agent is added.
Fourthly, calculating the weekly dosing amount according to the weekly water replenishing amount and the water replenishing quality, and adding medicine, removing scales and coating;
controlling the pH value of the water to be 10-10.5 when the boiler equipment and the heat supply pipe network contain copper equipment, and controlling the pH value of the water to be 9.5-10 when the boiler equipment and the heat supply pipe network contain copper equipment.
Monitoring parameters of water in boiler equipment and a heat supply pipe network;
monitoring the pH value and hardness of water in a pipe network every day, taking a water sample as the position of a water return pipe, recording the water supplementing amount, the medicine adding amount, the accumulated medicine adding amount and the medicine adding time every day, and adding L-semicanal ammonia acid hydrochloride and triethanolamine for combined masking when the hardness is measured.
Example 2
A phosphorus-free green environment-friendly hot water boiler water treatment agent comprises the following components in percentage by weight: 20% of maleic anhydride, 20% of ammonia water, 10% of disodium ethylene diamine tetraacetate, 13% of sodium polyaspartate, 10% of sodium hydroxide, 0.1% of copper corrosion inhibitor, 5% of auxiliary agent, 0.5% of imidazoline and 21.4% of water.
The use method of the phosphorus-free green environment-friendly hot water boiler water treatment agent comprises the following steps:
firstly, judging whether copper equipment exists in boiler equipment and a heat supply pipe network.
Secondly, detecting a water quality test result to determine the later-stage dosage;
and determining the dosage according to the water capacity and the water quality of boiler equipment and a heat supply pipe network.
Thirdly, adding the water treatment agent for the hot water boiler into a medicine box, and adjusting the water quality after setting the adding amount;
the hot water boiler water treatment agent is added into the water tank by adopting a funnel, and rubber gloves, protective glasses and a mask are worn when the hot water boiler water treatment agent is added.
Fourthly, calculating the weekly dosing amount according to the weekly water replenishing amount and the water replenishing quality, and adding medicine, removing scales and coating;
controlling the pH value of the water to be 10-10.5 when the boiler equipment and the heat supply pipe network contain copper equipment, and controlling the pH value of the water to be 9.5-10 when the boiler equipment and the heat supply pipe network contain copper equipment.
Monitoring parameters of water in boiler equipment and a heat supply pipe network;
monitoring the pH value and hardness of water in a pipe network every day, taking a water sample as the position of a water return pipe, recording the water supplementing amount, the medicine adding amount, the accumulated medicine adding amount and the medicine adding time every day, and adding L-semicanal ammonia acid hydrochloride and triethanolamine for combined masking when the hardness is measured.
Example 3
A phosphorus-free green environment-friendly hot water boiler water treatment agent comprises the following components in percentage by weight: 20% of maleic anhydride, 17% of ammonia water, 10% of disodium ethylene diamine tetraacetate, 13% of sodium polyaspartate, 11% of sodium hydroxide, 0.2% of copper corrosion inhibitor, 6% of assistant, 0.6% of imidazoline and 22.2% of water.
A use method of a phosphorus-free green environment-friendly hot water boiler water treatment agent comprises the following steps:
firstly, judging whether copper equipment exists in boiler equipment and a heat supply pipe network.
Secondly, detecting a water quality test result to determine the later-stage dosage;
and determining the dosage according to the water capacity and the water quality of boiler equipment and a heat supply pipe network.
Thirdly, adding the water treatment agent for the hot water boiler into a medicine box, and adjusting the water quality after setting the adding amount;
the hot water boiler water treatment agent is added into the water tank by adopting a funnel, and rubber gloves, protective glasses and a mask are worn when the hot water boiler water treatment agent is added.
Fourthly, calculating the weekly dosing amount according to the weekly water replenishing amount and the water replenishing quality, and adding medicine, removing scales and coating;
controlling the pH value of the water to be 10-10.5 when the boiler equipment and the heat supply pipe network contain copper equipment, and controlling the pH value of the water to be 9.5-10 when the boiler equipment and the heat supply pipe network contain copper equipment.
Monitoring parameters of water in boiler equipment and a heat supply pipe network;
monitoring the pH value and hardness of water in a pipe network every day, taking a water sample as the position of a water return pipe, recording the water supplementing amount, the medicine adding amount, the accumulated medicine adding amount and the medicine adding time every day, and adding L-semicanal ammonia acid hydrochloride and triethanolamine for combined masking when the hardness is measured.
The phosphorus-free environment-friendly hot water boiler water treatment agent basically removes scale rust and biological slime for one week, plates a protective film for one month, ensures that the water quality is qualified, achieves the purposes of removing scale and corrosion, replacing plates without cleaning, saving energy, reducing consumption and prolonging the service life of a boiler and a pipe network;
the pH value can be rapidly increased and the hardness of water can be reduced by adding a small amount of the medicament, and theoretically, the hardness can be zero;
after the medicament is added, a complex compound as water is generated, pollution discharge is not needed in operation, zero emission is realized, the discharge of hot water is reduced, and the water and heat are saved, so that the fuel is saved, and the environment is protected;
the softening equipment can be replaced, the raw water can be directly added with the agent, the function which cannot be achieved by the softening equipment can be realized, besides the qualified hardness (theoretically, the hardness can directly reach zero), the ph is improved, the corrosion and scale are prevented, the water quality directly reaches the requirements of national standard GB1576-2018, the self-water-consumption rate and the regenerated salt of a softening system are saved, and meanwhile, the resin loss, the energy conservation and the consumption reduction are also realized;
when the boiler is seriously scaled, the boiler can be cleaned completely after the agent is added without pickling the boiler, so that the boiler is cleaned, the water quality is well treated, and the cost of the pickling boiler is saved;
the agent is added, so that the boiler can not explode, the manpower and materials for overhauling and replacing the boiler pipe are saved, and the safe operation of the boiler and a pipe network is ensured;
after the agent is used, water scale is eliminated, the boiler is heated quickly, and coal and natural gas are saved. Meanwhile, the water flow speed is accelerated, and the resistance is greatly reduced. The water pump motor obviously saves labor, saves electricity and reduces consumption;
the carbon dioxide emission is reduced, and the environment is protected;
the heat is saved, fuel is saved, the main component of the natural gas is methane, and carbon dioxide can be generated after the natural gas is combusted. Therefore, the emission of carbon dioxide is reduced by saving natural gas;
the invention is a boiler soda boiling accelerant, which saves soda boiling time, reduces soda boiling medicament used in soda boiling, saves fuel used in soda boiling, saves energy and reduces consumption.
The invention is an environment-friendly, non-phosphorus, non-toxic, pollution-free and easily biodegradable ecological environment-friendly corrosion and scale inhibitor, which has the functions of removing scale, inhibiting scale, cleaning old scale and rust of boilers and pipe networks, resists high-hardness water, strong alkali, high pH value and high temperature, has good stability, and has strong chelating capacity for calcium, magnesium, zinc and other transition metal ions, especially for heavy metals such as copper, iron, manganese and the like. The scale inhibition effect is good;
the invention can solve the problems of boiler tube explosion, pipe network leakage and the like caused by scaling of the boiler and the heat supply pipe network, remove water scale in the system, avoid the formation of new scale and slow down the metal corrosion of the system; the product is a phosphorus-free green environment-friendly water treatment agent, and secondary pollution caused by water eutrophication and discharge is avoided; can replace softened water treatment equipment, directly soften water quality, and enable indexes such as water quality, hardness and the like to meet the national standard requirements;
old scale and old rust in a metal pipeline network can be removed, and scale-free operation is realized; zero discharge of a boiler and a pipe network is realized, water and heat are saved, fuel is saved, and energy conservation and consumption reduction are realized; the operation is simple, the corrosion inhibitor can be directly poured into a system, unmanned automatic dosing can be realized, the corrosion inhibitor does not corrode metal, and the corrosion inhibition efficiency is more than or equal to 99 percent; for equipment with a complex structure or small water flux in a circulating water system, such as a coiled pipe, a tubular heater, a plate heat exchanger and the like, the pipeline cannot be blocked after the water quality treatment by adding drugs.
The basic principles and principal features of the invention and advantages of the invention have been shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The phosphorus-free green environment-friendly hot water boiler water treatment agent is characterized by comprising the following components in percentage by weight: 20-24% of maleic anhydride, 10-20% of ammonia water, 10-15% of ethylene diamine tetraacetic acid, 13-18% of sodium polyaspartate, 10-12% of sodium hydroxide, 0.1-0.2% of copper corrosion inhibitor, 3-6% of assistant, 0.5-0.7% of imidazoline and 20-34% of water.
2. The phosphorus-free green environment-friendly hot water boiler water treatment agent according to claim 1, characterized in that: comprises the following components in percentage by weight: 20-22% of maleic anhydride, 15-20% of ammonia water, 10-12% of ethylene diamine tetraacetic acid, 13-15% of sodium polyaspartate, 10-11% of sodium hydroxide, 0.1-0.2% of copper corrosion inhibitor, 4-6% of assistant, 0.5-0.6% of imidazoline and 20-34% of water.
3. The phosphorus-free green environment-friendly hot water boiler water treatment agent according to claim 1, characterized in that: comprises the following components in percentage by weight: 20% of maleic anhydride, 20% of ammonia water, 10% of disodium ethylene diamine tetraacetate, 13% of sodium polyaspartate, 10% of sodium hydroxide, 0.1% of copper corrosion inhibitor, 5% of auxiliary agent, 0.5% of imidazoline and 21.4% of water.
4. The phosphorus-free green environment-friendly hot water boiler water treatment agent according to any one of claims 1 to 3, characterized in that: the auxiliary agent comprises any one or a mixture of a plurality of dispersing agents, bactericides and pre-filming protective agents.
5. The use method of the phosphorus-free green environment-friendly hot water boiler water treatment agent according to claim 4, characterized in that: the method comprises the following steps:
judging whether copper equipment exists in boiler equipment and a heat supply pipe network;
secondly, detecting a water quality test result to determine the later-stage dosage;
thirdly, adding the water treatment agent for the hot water boiler into a medicine box, and adjusting the water quality after setting the adding amount;
fourthly, calculating the weekly dosing amount according to the weekly water replenishing amount and the water replenishing quality, and adding medicine, removing scales and coating;
and fifthly, monitoring parameters of water in the boiler equipment and the heat supply pipe network.
6. The use method of the phosphorus-free green environment-friendly hot water boiler water treatment agent according to claim 5, characterized in that: and secondly, determining the dosage according to the water capacity and the water quality of boiler equipment and a heat supply pipe network.
7. The use method of the phosphorus-free green environment-friendly hot water boiler water treatment agent according to claim 5, characterized in that: and step three, adding the hot water boiler water treatment agent into a water tank by adopting a funnel, and wearing rubber gloves, protective glasses and a mask when adding the hot water boiler water treatment agent.
8. The use method of the phosphorus-free green environment-friendly hot water boiler water treatment agent according to claim 5, characterized in that: and fourthly, controlling the pH value of the water to be 10-10.5 when the boiler equipment and the heat supply pipe network contain copper equipment, and controlling the pH value of the water to be 9.5-10 when the boiler equipment and the heat supply pipe network contain copper equipment.
9. The use method of the phosphorus-free green environment-friendly hot water boiler water treatment agent according to claim 5, characterized in that: monitoring the pH value and hardness of the water in the pipe network every day, taking a water sample as the position of a water return pipe, recording the water supplementing amount, the medicine adding amount, the accumulated medicine adding amount and the medicine adding time every day, and adding L-semicanal ammonia acid hydrochloride and triethanolamine for combined masking during hardness measurement.
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