CN106554095A - A kind of environment-friendly boiler corrosion inhibiting and descaling agent and preparation method thereof - Google Patents
A kind of environment-friendly boiler corrosion inhibiting and descaling agent and preparation method thereof Download PDFInfo
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- CN106554095A CN106554095A CN201611107719.0A CN201611107719A CN106554095A CN 106554095 A CN106554095 A CN 106554095A CN 201611107719 A CN201611107719 A CN 201611107719A CN 106554095 A CN106554095 A CN 106554095A
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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
- 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
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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
- C02F5/14—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 phosphorus
- C02F5/145—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 phosphorus 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
- C02F2303/00—Specific treatment goals
- C02F2303/08—Corrosion inhibition
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- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
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- Hydrology & Water Resources (AREA)
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- Water Supply & Treatment (AREA)
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- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
A kind of environment-friendly boiler corrosion inhibiting and descaling agent, raw material is：Pure water, methylene dinaphthalene sulfonic acid, sodium bicarbonate, sodium hexameta phosphate, ATMP, hydroxy ethylene diphosphonic acid, ethylenediamine tetramethylene phosphonic acid, seven sodium salt of diethylenetriamine pentamethylenophosphonic acid, 2 di guanidine-acetic acids, 2 phosphonobutanes 1,2,4 tricarboxylic acids and water solublity magnesium sulfide；Raw material sources are extensive, good water solubility, it is adaptable to hot-water boiler water process；Without inorganic polyphosphate, calcium phosphate scale precipitation can be prevented, the risk of body eutrophication is reduced, rate of corrosion is low, and diffusion is rapid, nonpoisonous and tasteless, environmental friendliness, high temperature resistant harmless to water body, it is to avoid deposit on high-temperature heat-exchanging；Synergism is produced between each component, 0.001 0.02mma of corrosion rate to carbon steel‑1, the scale inhibition performance 98 99% to Calcium Carbonate, easy to use, with low cost, process is simple can be widely used.
Description
Technical field
The present invention relates to a kind of environment-friendly materials, more particularly to a kind of environment-friendly boiler corrosion inhibiting and descaling agent and its preparation side
Method.
Background technology
The large, medium and small boiler of corrosion inhibiting and descaling agent prevents fouling and corrosion, chemical treatment method in useable stove, in boiler feed water
Interior addition antiseptic corrosion inhibitor, reduces boiler water hardness demineralized water, reduces fouling and corrosion, and this method is simple and practical, benefits from deeply
Welcome at family.
Boiler is not strange in our lives, and operating boiler usually has hard incrustation scale and corrosion, and this is not only unrestrained
Take fuel, affect boiler output, meeting bombing, causes blowing out accident, affect its service life when serious.
Hot-water boiler all plays an important role in commercial production or people's lives.However, hot-water boiler
The operation burn into withdrawal hepatitis and the corrosion product scale problems for causing therefrom of system are but the difficulties of long-standing problem people
Topic.As the working condition of hot-water boiler is very different with steam boiler, hot-water boiler room is also simple and crude than boiler steam room, perhaps
The effective technology of multipair steam boiler is difficult to be suitable for hot-water boiler.The anti-corrosion, scale-inhibiting for hot-water boiler developed
Technology, some are ripe not enough, though some ripe applications are not still universal.These situations cause current hot-water boiler corrosion ten
Divide serious.Abroad, this problem is not yet solved very well.General hot-water boiler is using just occurring obvious metal after 2 or three years
, there is red water or leakage in corrosion phenomenon.The corrosion condition of China's hot-water boiler is even more serious.According to the inspection of the boiler of Liaoyang City of Liaoning Province
Institute is counted, 800 heating boilers in, there occurs that the boiler of corrosion just has 755, account for 95%, wherein serious rotten
Erosion accounts for 10%-15% corrosion leakages and accounts for 5%-8%, and due to corrosion, the normal service expense of flower reaches nearly million yuan.China's heat
The projected life of homogeneous solution-type reactor is 12 years, and due to reasons such as corrosion, only operation is eliminated for 5～8 years, only the 1/2 of projected life
～1/3.
Corrosion can cause huge economic loss.For hot-water boiler, corrosion is removed to be caused to reduce the life-span, increases considerably
Outside maintenance and overhaul cost, due also to corrosion leakage is frequently experienced in the winter heating period of most severe cold, can be straight for thermal break
Connect the orthobiosiss for having influence on resident.In order to change this present situation, research and development hot-water boiler anti-corrosion, scale-inhibiting technology is imperative.
Hot-water boiler corrodes and its serious present situation was both relevant with operation corrosion, also relevant with withdrawal hepatitis.
In order to the operation for preventing hot-water boiler is corroded, for many years, people are tried hard to thermal de-aeration, deaeration in condenser etc. to steam
The effective technology of boiler is referred on hot-water boiler, as hot-water boiler room lacks implementation condition without success.Specially
Also there is many for the Deadsorbing and oxygen removing of hot-water boiler exploitation, redoxite deoxygenation, Arbiso process, galvannealing etc. to wait
The problem of solution.High dose sodium nitrite method is succeeded application in Japan, but due to well-known toxicity problem and plus
Amount deficiency is possible to cause Boiler Metallic pitting and do not promote the use of in other countries.
Corrosion during boiler is disabled is even more serious than operation corrosion, and large-scale corrosion and damage and local corrosion failure are past
Toward being by caused by withdrawal hepatitis.The hot water boiler system runtime is short, and lay-off period is long.The red water that caused by withdrawal hepatitis and let out
Leakage accident occurs again and again.To prevent and mitigating withdrawal hepatitis, some guard methods are had been developed for, main method is traditional
Dry and wet and the successful TH-901 methods of research.Under conditions of strict enforcement, conventional dry and wet method can also be obtained
Effect, but, due to operated in accordance with conventional methods it is loaded down with trivial details, the medium small boiler room often incomplete reason such as qualified to exploit, effect
Fruit is very undesirable.TH-901 methods efficiently facilitate, and the protection period is long, in national commonly used, the protection nothing to boiler body
It is suspected to be successfully, however, the complex grid to hot water boiler system, heat exchanger and spreads all over the radiator of huge numbers of families, due to
TH-901 corrosion inhibiter cannot be placed and be difficult to protect.Environmental condition during due to boiler operatiopn and during deactivation is widely different,
Operation corrosion and withdrawal hepatitis have the reasons such as technical problem to be resolved, both at home and abroad grinding for hot-water boiler anti-corrosion, scale-inhibiting
Study carefully, development and application, or for running boiler, or for disabling boiler, the operation of boiler and disable two
Person separately processes-- operation when using a set of technology anti-corrosion, scale-inhibiting, had become using the maintenance of another set of technology anti-corrosion during deactivation
Traditional mode.Therefore, the good and simple and easy to do hot-water boiler total system Shut-down Protection method of research effect is very necessary.
With China's urbanization and the quickening of process of industrialization, the Industrial Boiler closely related with productive life and water bath
Stove heating system scale also rapid growth.The reasons such as the restriction due to boiler water technology level, Industrial Boiler generally existing
Corrosion and scaling problem, causes boiler life to shorten, and safeguards and operating cost rises.
The content of the invention
The present invention provides a kind of environment-friendly boiler corrosion inhibiting and descaling agent and preparation method thereof, solves existing antisludging agent scale inhibition performance
Low, rate of corrosion is high, non-refractory and the technical problem such as with high costs.
The present invention is employed the following technical solutions：A kind of environment-friendly boiler corrosion inhibiting and descaling agent, quality of the raw material according to component
Number proportioning includes as follows：100 parts of pure water；Methylene dinaphthalene sulfonic acid 30-50 parts；Sodium bicarbonate 1-5 parts；Sodium hexameta phosphate 10-
50 parts；ATMP 35-55 parts；Hydroxy ethylene diphosphonic acid 20-40 parts；Ethylenediamine tetramethylene phosphonic acid 20-30
Part；Seven sodium salt 25-45 parts of diethylenetriamine pentamethylenophosphonic acid；2- di guanidine-acetic acid 15-35 parts；2- phosphonobutanes-
1,2,4- tricarboxylic acids 20-40 parts；Water solublity magnesium sulfide 5-25 parts.
As a preferred technical solution of the present invention：The raw material includes as follows according to the mass fraction proportioning of component：
100 parts of pure water；30 parts of methylene dinaphthalene sulfonic acid；1 part of sodium bicarbonate；10 parts of sodium hexameta phosphate；35 parts of ATMP；
20 parts of hydroxy ethylene diphosphonic acid；20 parts of ethylenediamine tetramethylene phosphonic acid；Seven sodium salt 25 of diethylenetriamine pentamethylenophosphonic acid
Part；15 parts of 2- dis guanidine-acetic acid；20 parts of 2- phosphonobutane -1,2,4- tricarboxylic acids；5 parts of water solublity magnesium sulfide.
As a preferred technical solution of the present invention：The raw material includes as follows according to the mass fraction proportioning of component：
100 parts of pure water；50 parts of methylene dinaphthalene sulfonic acid；5 parts of sodium bicarbonate；50 parts of sodium hexameta phosphate；55 parts of ATMP；
40 parts of hydroxy ethylene diphosphonic acid；30 parts of ethylenediamine tetramethylene phosphonic acid；Seven sodium salt 45 of diethylenetriamine pentamethylenophosphonic acid
Part；35 parts of 2- dis guanidine-acetic acid；40 parts of 2- phosphonobutane -1,2,4- tricarboxylic acids；25 parts of water solublity magnesium sulfide.
As a preferred technical solution of the present invention：The raw material includes as follows according to the mass fraction proportioning of component：
100 parts of pure water；40 parts of methylene dinaphthalene sulfonic acid；3 parts of sodium bicarbonate；30 parts of sodium hexameta phosphate；45 parts of ATMP；
30 parts of hydroxy ethylene diphosphonic acid；25 parts of ethylenediamine tetramethylene phosphonic acid；Seven sodium salt 35 of diethylenetriamine pentamethylenophosphonic acid
Part；25 parts of 2- dis guanidine-acetic acid；30 parts of 2- phosphonobutane -1,2,4- tricarboxylic acids；15 parts of water solublity magnesium sulfide.
A kind of method for preparing the environment-friendly boiler corrosion inhibiting and descaling agent, step is：
The first step：Weigh pure water, methylene dinaphthalene sulfonic acid, sodium bicarbonate, sodium hexameta phosphate, ATMP, hydroxyl
Ethylidene diphosphonic acid, ethylenediamine tetramethylene phosphonic acid, seven sodium salt of diethylenetriamine pentamethylenophosphonic acid, 2- di base second
Acid, 2- phosphonobutane -1,2,4- tricarboxylic acids and water solublity magnesium sulfide；
Second step：By ethylenediamine tetramethylene phosphonic acid and water solublity magnesium sulfide input with thermometer, heater and stirring dress
In the reactor put, 90-110 DEG C is warming up to, stirs 3-7h；
3rd step：20-30 DEG C is cooled to, hydroxy ethylene diphosphonic acid and surplus stock is added, 4-8h is stirred.
A kind of environment-friendly boiler corrosion inhibiting and descaling agent of the present invention and preparation method thereof adopts above technical scheme and shows
There is technology to compare, with following technique effect：1st, raw material sources are extensive, low production cost, good water solubility, it is adaptable to hot-water boiler
Water process；2nd, without inorganic polyphosphate, calcium phosphate scale precipitation can be prevented, the risk of body eutrophication is reduced,
Scale inhibition performance is high, and rate of corrosion is low, and diffusion is rapid, nonpoisonous and tasteless；3rd, environmental friendliness, high temperature resistant harmless to water body, it is to avoid change in high temperature
Deposit on hot device, boiler service life can be greatly prolonged；4th, can be used in the water quality of high alkalinity, high rigidity, each component it
Between produce synergism, corrosion rate 0.001-0.02mma to carbon steel-1, the scale inhibition performance 98-99% to Calcium Carbonate, while tool
Heat supplying pipeline fouling is prevented, easy to use, with low cost, process is simple can be widely used.
Specific embodiment
Below the specific embodiment of the present invention is described in further detail：
Embodiment 1：
The first step：Weigh by mass fraction proportioning：100 parts of pure water；30 parts of methylene dinaphthalene sulfonic acid；1 part of sodium bicarbonate；Six inclined phosphorus
10 parts of sour sodium；35 parts of ATMP；20 parts of hydroxy ethylene diphosphonic acid；20 parts of ethylenediamine tetramethylene phosphonic acid；Two
25 parts of seven sodium salt of ethylenetriamine pentamethylene phosphonic acids；15 parts of 2- dis guanidine-acetic acid；2- phosphonobutane -1,2,4- tricarboxylic acids
20 parts；5 parts of water solublity magnesium sulfide.
Second step：Ethylenediamine tetramethylene phosphonic acid and water solublity magnesium sulfide input are carried into thermometer, heater and is stirred
Mix in the reactor of device, be warming up to 90 DEG C, stir 3h.
3rd step：20 DEG C are cooled to, hydroxy ethylene diphosphonic acid and surplus stock is added, 4h is stirred.
Raw material sources are extensive, low production cost, good water solubility, it is adaptable to hot-water boiler water process；Without inorganic polyphosphoric acid
Salt, can prevent calcium phosphate scale precipitation, reduce the risk of body eutrophication, and scale inhibition performance is high, and rate of corrosion is low, spreads fast
Speed, nonpoisonous and tasteless, environmental friendliness, high temperature resistant harmless to water body, it is to avoid deposit on high-temperature heat-exchanging, pot can be greatly prolonged
Stove service life；Can be used to, in the water quality of high alkalinity, high rigidity, between each component, produce synergism, the corrosion to carbon steel
Speed 0.02mma-1, the scale inhibition performance 98% to Calcium Carbonate, while with the effect for preventing heat supplying pipeline fouling, it is easy to use, into
This cheap, process is simple, can widely use.
Embodiment 2：
The first step：Weigh by mass fraction proportioning：100 parts of pure water；50 parts of methylene dinaphthalene sulfonic acid；5 parts of sodium bicarbonate；Six inclined phosphorus
50 parts of sour sodium；55 parts of ATMP；40 parts of hydroxy ethylene diphosphonic acid；30 parts of ethylenediamine tetramethylene phosphonic acid；Two
45 parts of seven sodium salt of ethylenetriamine pentamethylene phosphonic acids；35 parts of 2- dis guanidine-acetic acid；2- phosphonobutane -1,2,4- tricarboxylic acids
40 parts；25 parts of water solublity magnesium sulfide.
Second step：Ethylenediamine tetramethylene phosphonic acid and water solublity magnesium sulfide input are carried into thermometer, heater and is stirred
Mix in the reactor of device, be warming up to 110 DEG C, stir 7h.
3rd step：30 DEG C are cooled to, hydroxy ethylene diphosphonic acid and surplus stock is added, 8h is stirred.
Raw material sources are extensive, low production cost, good water solubility, it is adaptable to hot-water boiler water process；Without inorganic polyphosphoric acid
Salt, can prevent calcium phosphate scale precipitation, reduce the risk of body eutrophication, and scale inhibition performance is high, and rate of corrosion is low, spreads fast
Speed, nonpoisonous and tasteless, environmental friendliness, high temperature resistant harmless to water body, it is to avoid deposit on high-temperature heat-exchanging, pot can be greatly prolonged
Stove service life；Can be used to, in the water quality of high alkalinity, high rigidity, between each component, produce synergism, the corrosion to carbon steel
Speed 0.01mma-1, the scale inhibition performance 98.5% to Calcium Carbonate, while with the effect for preventing heat supplying pipeline fouling, it is easy to use,
With low cost, process is simple can be widely used.
Embodiment 3：
The first step：Weigh by mass fraction proportioning：100 parts of pure water；40 parts of methylene dinaphthalene sulfonic acid；3 parts of sodium bicarbonate；Six inclined phosphorus
30 parts of sour sodium；45 parts of ATMP；30 parts of hydroxy ethylene diphosphonic acid；25 parts of ethylenediamine tetramethylene phosphonic acid；Two
35 parts of seven sodium salt of ethylenetriamine pentamethylene phosphonic acids；25 parts of 2- dis guanidine-acetic acid；2- phosphonobutane -1,2,4- tricarboxylic acids
30 parts；15 parts of water solublity magnesium sulfide.
Second step：Ethylenediamine tetramethylene phosphonic acid and water solublity magnesium sulfide input are carried into thermometer, heater and is stirred
Mix in the reactor of device, be warming up to 95 DEG C, stir 5h.
3rd step：25 DEG C are cooled to, hydroxy ethylene diphosphonic acid and surplus stock is added, 6h is stirred.
Raw material sources are extensive, low production cost, good water solubility, it is adaptable to hot-water boiler water process；Without inorganic polyphosphoric acid
Salt, can prevent calcium phosphate scale precipitation, reduce the risk of body eutrophication, and scale inhibition performance is high, and rate of corrosion is low, spreads fast
Speed, nonpoisonous and tasteless, environmental friendliness, high temperature resistant harmless to water body, it is to avoid deposit on high-temperature heat-exchanging, pot can be greatly prolonged
Stove service life；Can be used to, in the water quality of high alkalinity, high rigidity, between each component, produce synergism, the corrosion to carbon steel
Speed 0.001mma-1, the scale inhibition performance 99% to Calcium Carbonate, while with the effect for preventing heat supplying pipeline fouling, it is easy to use,
With low cost, process is simple can be widely used.
It is more than that embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned embodiment, at this
In the ken that field those of ordinary skill possesses, can be so that various changes be made on the premise of without departing from present inventive concept
Change.
Claims (5)
1. a kind of environment-friendly boiler corrosion inhibiting and descaling agent, it is characterised in that：Raw material according to the mass fraction proportioning of component include as
Under：100 parts of pure water；Methylene dinaphthalene sulfonic acid 30-50 parts；Sodium bicarbonate 1-5 parts；Sodium hexameta phosphate 10-50 parts；Amino trimethylene first
Base phosphonic acids 35-55 parts；Hydroxy ethylene diphosphonic acid 20-40 parts；Ethylenediamine tetramethylene phosphonic acid 20-30 parts；Diethylenetriamines
Seven sodium salt 25-45 parts of pentamethylene phosphonic acids；2- di guanidine-acetic acid 15-35 parts；2- phosphonobutane -1,2,4- tricarboxylic acids 20-
40 parts；Water solublity magnesium sulfide 5-25 parts.
2. a kind of environment-friendly boiler corrosion inhibiting and descaling agent according to claim 1, it is characterised in that：Raw material is according to component
Mass fraction proportioning includes as follows：100 parts of pure water；30 parts of methylene dinaphthalene sulfonic acid；1 part of sodium bicarbonate；10 parts of sodium hexameta phosphate；
35 parts of ATMP；20 parts of hydroxy ethylene diphosphonic acid；20 parts of ethylenediamine tetramethylene phosphonic acid；Diethylenetriamines
25 parts of seven sodium salt of pentamethylene phosphonic acids；15 parts of 2- dis guanidine-acetic acid；20 parts of 2- phosphonobutane -1,2,4- tricarboxylic acids；It is water-soluble
5 parts of magnesium sulfide of property.
3. a kind of environment-friendly boiler corrosion inhibiting and descaling agent according to claim 1, it is characterised in that：Raw material is according to component
Mass fraction proportioning includes as follows：100 parts of pure water；50 parts of methylene dinaphthalene sulfonic acid；5 parts of sodium bicarbonate；50 parts of sodium hexameta phosphate；
55 parts of ATMP；40 parts of hydroxy ethylene diphosphonic acid；30 parts of ethylenediamine tetramethylene phosphonic acid；Diethylenetriamines
45 parts of seven sodium salt of pentamethylene phosphonic acids；35 parts of 2- dis guanidine-acetic acid；40 parts of 2- phosphonobutane -1,2,4- tricarboxylic acids；It is water-soluble
25 parts of magnesium sulfide of property.
4. a kind of environment-friendly boiler corrosion inhibiting and descaling agent according to claim 1, it is characterised in that：Raw material is according to component
Mass fraction proportioning includes as follows：100 parts of pure water；40 parts of methylene dinaphthalene sulfonic acid；3 parts of sodium bicarbonate；30 parts of sodium hexameta phosphate；
45 parts of ATMP；30 parts of hydroxy ethylene diphosphonic acid；25 parts of ethylenediamine tetramethylene phosphonic acid；Diethylenetriamines
35 parts of seven sodium salt of pentamethylene phosphonic acids；25 parts of 2- dis guanidine-acetic acid；30 parts of 2- phosphonobutane -1,2,4- tricarboxylic acids；It is water-soluble
15 parts of magnesium sulfide of property.
5. a kind of method of the environment-friendly boiler corrosion inhibiting and descaling agent prepared described in claim 1, it is characterised in that step is：
The first step：Weigh pure water, methylene dinaphthalene sulfonic acid, sodium bicarbonate, sodium hexameta phosphate, ATMP, hydroxyl
Ethylidene diphosphonic acid, ethylenediamine tetramethylene phosphonic acid, seven sodium salt of diethylenetriamine pentamethylenophosphonic acid, 2- di base second
Acid, 2- phosphonobutane -1,2,4- tricarboxylic acids and water solublity magnesium sulfide；
Second step：By ethylenediamine tetramethylene phosphonic acid and water solublity magnesium sulfide input with thermometer, heater and stirring dress
In the reactor put, 90-110 DEG C is warming up to, stirs 3-7h；
3rd step：20-30 DEG C is cooled to, hydroxy ethylene diphosphonic acid and surplus stock is added, 4-8h is stirred.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107384354A (en) * | 2017-08-09 | 2017-11-24 | 胜利油田华滨实业有限公司石油机械滨州分公司 | A kind of petroleum assistant |
| CN107794100A (en) * | 2017-12-07 | 2018-03-13 | 河北千捷润化工科技有限公司 | The power plant solid sulphur denitrfying agent of environmental protection and preparation method |
| CN107954525A (en) * | 2017-11-29 | 2018-04-24 | 无锡昊瑜节能环保设备有限公司 | A kind of preparation method of the environmentally friendly corrosion inhibiting and descaling agent of sewage disposal |
| CN108623019A (en) * | 2018-05-29 | 2018-10-09 | 苏州佑君环境科技有限公司 | A kind of sea water desalination antisludging agent and preparation method thereof |
| CN108715485A (en) * | 2018-05-29 | 2018-10-30 | 苏州佑君环境科技有限公司 | A kind of resistance carbonate scale antisludging agent and preparation method thereof |
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| CN101186396A (en) * | 2007-11-22 | 2008-05-28 | 同济大学 | Environment-friendly type composite corrosion-inhibiting anti-sludging agent for softening water quality and circulating chilled water |
| CN103183417A (en) * | 2011-12-30 | 2013-07-03 | 王炜 | Medicament for treating composite water in hot water boiler as well as preparation method and use method thereof |
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| CN1377843A (en) * | 2002-03-25 | 2002-11-06 | 张连兴 | Black corrosion inhibiting scale retarding agent |
| CN101186396A (en) * | 2007-11-22 | 2008-05-28 | 同济大学 | Environment-friendly type composite corrosion-inhibiting anti-sludging agent for softening water quality and circulating chilled water |
| CN103183417A (en) * | 2011-12-30 | 2013-07-03 | 王炜 | Medicament for treating composite water in hot water boiler as well as preparation method and use method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107384354A (en) * | 2017-08-09 | 2017-11-24 | 胜利油田华滨实业有限公司石油机械滨州分公司 | A kind of petroleum assistant |
| CN107954525A (en) * | 2017-11-29 | 2018-04-24 | 无锡昊瑜节能环保设备有限公司 | A kind of preparation method of the environmentally friendly corrosion inhibiting and descaling agent of sewage disposal |
| CN107794100A (en) * | 2017-12-07 | 2018-03-13 | 河北千捷润化工科技有限公司 | The power plant solid sulphur denitrfying agent of environmental protection and preparation method |
| CN108623019A (en) * | 2018-05-29 | 2018-10-09 | 苏州佑君环境科技有限公司 | A kind of sea water desalination antisludging agent and preparation method thereof |
| CN108715485A (en) * | 2018-05-29 | 2018-10-30 | 苏州佑君环境科技有限公司 | A kind of resistance carbonate scale antisludging agent and preparation method thereof |
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