CN106904678A - Application of the L vitamin Cs in boiler supply water deaerating corrosion inhibiter - Google Patents
Application of the L vitamin Cs in boiler supply water deaerating corrosion inhibiter Download PDFInfo
- Publication number
- CN106904678A CN106904678A CN201710068308.3A CN201710068308A CN106904678A CN 106904678 A CN106904678 A CN 106904678A CN 201710068308 A CN201710068308 A CN 201710068308A CN 106904678 A CN106904678 A CN 106904678A
- Authority
- CN
- China
- Prior art keywords
- boiler
- corrosion inhibiter
- vitamin
- supply water
- deaerating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/12—Oxygen-containing compounds
- C23F11/122—Alcohols; Aldehydes; Ketones
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Removal Of Specific Substances (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention provides a kind of application of L vitamin Cs in boiler supply water deaerating corrosion inhibiter.Raw material in corrosion inhibiter includes the component of following percentage by weight；L vitamin Cs：Auxiliary agent=20 30%：70 80%；The auxiliary agent is made up of pure water and EDTA 2Na.Boiler supply water deaerating corrosion inhibiter of the invention can realize quick deoxygenation in 20s, and the risk of boiler economizer metal erosion greatly reduces.With corrosion mitigating effect, good diaphragm can be formed in boiler internal, can effectively slow down the corrosion rate of boiler plant, increased the service life.It is obvious by dissolved oxygen effect remaining after thermal de-aeration；So as to ensure the feedwater dissolved oxygen ＜ 7ug/l into high temperature, high-pressure boiler, high temperature, the reliability of high-pressure boiler safe operation are improve.
Description
Technical field
The invention belongs to boiler deoxidizing method technical field, it is related to application of the L- vitamin Cs in boiler supply water deaerating corrosion inhibiter.
Background technology
With the development and progress of society, agglomeration of industries area spreads all in Chinese the earth, and central heating turns into essential life
Link is produced, in order to adapt to the various industrial enterprises such as food, medicine, cosmetics to steam-heated demand, while preventing height again
Temperature, high-pressure boiler are subject to oxygen corrosion.Therefore, the boiler deoxidizing method corrosion inhibiter for researching and developing the quick deoxygenation of a kind of nontoxic and energy is imperative.
High temperature, high-pressure boiler are a kind of big volumes, install, change the industrial equipment being difficult.But boiler is in long-term use
Afterwards, the phenomenons such as fouling, corrosion unavoidably occur, it is therefore desirable to control the fouling and corrosion of boiler.In boiler component (such as pot
Furnace main body, the heat exchanger being arranged at boiler body upper up-flow and economizer and it is arranged in boiler body following current steam and cold
Solidifying water pipe) in, dissolved oxygen turns into the one of the main reasons of corrosion, in order to prevent the corrosion of steam generator system, it is necessary to remove boiler water
In dissolved oxygen.In order to solve the above problems, there are a variety of oxygen scavengers, but be all restricted when using, such as in the prior art
Using diamine oxygen scavenger, diamine is volatile, inflammable, explosive, can produce the problems such as being potentially carcinogenic；Still there are remnants in steam, it is impossible to
For living；Influenceed very big by temperature, pH and excess quantity with oxygen reaction speed；During high temperature, the ammonia of generation is decomposed, can be with copper shape
Into soluble ammoniacal copper complex ion, that is, there is copper or the ammonia corrosion of its alloy；The oxygen scavengers such as oxime compound, hydroxylamine compound
There are problems that deoxidation effectiveness is low, and also to aid in use ammoniacal liquor adjust pH；Phosphinylidyne hydrazine oxygen scavenger can not be single
Solely use, and ammoniacal liquor need to be aided in adjust pH；The influence to technological parameter such as lactic acid, formic acid and acetic acid.
Therefore, a kind of dissolved oxygen that can quickly eliminate in water is found, and the new of unharmful substance removes in steam
Oxygen agent is imperative.
The content of the invention
It is a primary object of the present invention to provide a kind of application of L- vitamin Cs in boiler supply water deaerating corrosion inhibiter, with
Solve that deaerating effect of the prior art is not good and central heating vapour source is difficult adapts to food, medicine and various caused harm to human body
Product quality the problems such as.
To reach above-mentioned purpose, solution of the invention is：
L- vitamin Cs are applied in boiler supply water deaerating corrosion inhibiter.
Used as preferred technical scheme, the raw material in the corrosion inhibiter includes the component of following percentage by weight；
L- vitamin Cs：Auxiliary agent=20-30%：70-80%；
The auxiliary agent is made up of pure water and EDTA-2Na.
Used as preferred technical scheme, the percentage by weight of the pure water and EDTA-2Na is：99-99.9%：0.1-
1%.
Used as preferred technical scheme, the boiler is high-temperature high-pressure boiler.
As preferred technical scheme, put into after the boiler supply water deaerating corrosion inhibiter mixing in boiler, wherein boiler is given
The ratio of hot water water is 1-2kg in water deoxygenation corrosion inhibiter and boiler：100t.
Used as preferred technical scheme, the boiler supply water deaerating corrosion inhibiter position that adds in the boiler is:Boiler
Between oxygen-eliminating device outlet pipe and boiler feed pump.
Due to using such scheme, the beneficial effects of the invention are as follows：
(1) under high temperature, condition of high voltage, the final catabolite of boiler supply water deaerating corrosion inhibiter of the invention is carbon dioxide
And water, steam quality will not be impacted.
(2) boiler supply water deaerating corrosion inhibiter of the invention can realize quick deoxygenation in 20s, and boiler greatly reduces
The risk of economizer metal erosion.
(3) boiler supply water deaerating corrosion inhibiter of the invention has corrosion mitigating effect, can form good guarantor in boiler internal
Cuticula, can effectively slow down the corrosion rate of boiler plant, increase the service life.
(4) it is harmless, meet environmental protection standard, meet GB/T2760-86 national food hygienic standards.
(5) ensure the steam quality of central heating boiler, meet the quality need of the enterprise such as various food, medicine process steam
Ask.
(6) it is obvious by dissolved oxygen effect remaining after thermal de-aeration；So as to ensure the feedwater into high temperature, high-pressure boiler
Dissolved oxygen ＜ 7ug/l, improve high temperature, the reliability of high-pressure boiler safe operation.
Specific embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
Inventor by substantial amounts of scientific experimentation, using the ascorbic bioactivity of L- and oxygen in water fast reaction
Principle, develop a kind of nontoxic boiler supply water deaerating corrosion inhibiter and its application method.
First, L- vitamin Cs characteristic
L- vitamin Cs
190-192 DEG C of fusing point
Molecular weight 176.12
Molecular formula C6H8O6
Acidity, with stronger reproducibility.It is more oxidizable under alkaline environment.
Naturally occurring vitamin C, there is L- vitamin Cs and D- vitamin Cs two.D- vitamin C inactives.Vitamin
In C molecular structures, there are two enol bases on the position that carbonyl adjoins, it is easy to react with oxygen.It is final anti-under its high temperature, high pressure
Should：C6H8O6+5O2=6CO2+4H2O
2nd, central heating boiler water system general introduction
Raw water → pretreatment → water process → pure water → oxygen-eliminating device → economizer → boiler → steam → user
2.1 pure water water quality requirements
Hardness~0umol/l
Electrical conductivity≤0.2us/cm
Silica≤20ug/l
2.2 oxygen-eliminating device water outlet (boiler feedwater) water quality requirements
PH value 8.8-9.6 (in alkalescence)
Hardness~0umol/l
Dissolved oxygen≤7ug/l (oxygen scavenger priority control index)
Silica≤20ug/l
2.3 quality of steam standards
Sodium ion≤10ug/l
Iron ion≤10ug/l
Copper ion≤5ug/l
Electrical conductivity≤0.2us/cm (hydrogen is led)
Heat supply user requirement in 2.4 vapor collections
Industrial park central heating is environmentally friendly and economical, but all trades and professions are different to the quality requirements of steam.
Therefore, the steam quality of central heating must be controlled by the requirement of the industry such as food, medicine, chemical industry in garden.
3rd, oxygen scavenger General Review of Current
High temperature, high-pressure boiler are a kind of big volumes, install, change the industrial equipment being difficult.But boiler is in long-term use
Afterwards, the phenomenons such as fouling, corrosion unavoidably occur, it is therefore desirable to control the fouling and corrosion of boiler.In boiler component (such as pot
Furnace main body, the heat exchanger being arranged at boiler body upper up-flow and economizer and it is arranged in boiler body following current steam and cold
Solidifying water pipe) in, dissolved oxygen turns into the one of the main reasons of corrosion, in order to prevent the corrosion of steam generator system, it is necessary to remove boiler water
In dissolved oxygen.In order to solve the above problems, there are a variety of oxygen scavengers, but be all restricted when using, such as in the prior art
Using diamine oxygen scavenger, diamine is volatile, inflammable, explosive, can produce the problems such as being potentially carcinogenic；Still there are remnants in steam, it is impossible to
For living；Influenceed very big by temperature, pH and excess quantity with oxygen reaction speed；During high temperature, the ammonia of generation is decomposed, can be with copper shape
Into soluble ammoniacal copper complex ion, that is, there is copper or the ammonia corrosion of its alloy；The oxygen scavengers such as oxime compound, hydroxylamine compound
There are problems that deoxidation effectiveness is low, and also to aid in use ammoniacal liquor adjust pH；Phosphinylidyne hydrazine oxygen scavenger can not be single
Solely use, and ammoniacal liquor need to be aided in adjust pH；The influence to technological parameter such as lactic acid, formic acid and acetic acid.
Therefore, a kind of dissolved oxygen that can quickly eliminate in water is found, and the new of unharmful substance removes in steam
Oxygen agent is imperative.
4th, the development of new type deoxidizer
, according to the oxygen scavenger use situation of current high-temperature high-pressure boiler, by substantial amounts of scientific experiment, checking is searched for we
The deaerating effect of all kinds of nontoxic materials, it was demonstrated that L- vitamin Cs are optimal except oxygen species.
Embodiment 1
L- vitamin Cs are applied in boiler supply water deaerating corrosion inhibiter.Raw material wherein in corrosion inhibiter includes following weight hundred
Divide the component of ratio；
L- vitamin Cs：Auxiliary agent=30%：70%；Auxiliary agent is made up of pure water and EDTA-2Na, the weight of pure water and EDTA-2Na
Measuring percentage is：99%：1%.
After above-mentioned raw materials are mixed, you can in input high-temperature high-pressure boiler.Every 1000 tons of hot-water boilers are pressed in the present embodiment
Rate of water make-up adds 10 kilograms of boiler supply water deaerating corrosion inhibiter.
Wherein boiler supply water deaerating corrosion inhibiter to add position, adding equipment, temperature in use specific as follows：
1. position is added
The position that adds of deoxygenation corrosion inhibiter is:Locate between boiler feed outlet pipe and boiler feed pump.
2. adding equipment
Container, dosing pump with agitator etc..Material is stainless steel.
3. dosage is added
Deoxygenation corrosion inhibiter adds dosage according in oxygen-eliminating device water outlet, and dissolved oxygen content determines less than 7.0 micrograms per litres.
4. temperature in use
90 DEG C of oxygen-eliminating device leaving water temperature ＞.
Detection deaerating effect method：
Sampled in the porch of high-temperature high-pressure boiler economizer, contained with the dissolved oxygen in dissolving oxygen detection METHOD FOR CONTINUOUS DETERMINATION water
Amount.
Boiler supply water deaerating corrosion inhibiter of the invention can realize quick deoxygenation in 20s, and boiler province greatly reduces
The risk of coal device metal erosion.Also there is corrosion mitigating effect, good diaphragm can be formed in boiler internal, can effectively subtract
The corrosion rate of slow boiler plant, increases the service life.It is obvious by dissolved oxygen effect remaining after thermal de-aeration；So as to ensure
Into high temperature, the feedwater dissolved oxygen ＜ 7ug/l of high-pressure boiler, high temperature, the reliability of high-pressure boiler safe operation are improve.
Embodiment 2
L- vitamin Cs are applied in boiler supply water deaerating corrosion inhibiter.Raw material wherein in corrosion inhibiter includes following weight hundred
Divide the component of ratio；
L- vitamin Cs：Auxiliary agent=20%：80%；Auxiliary agent is made up of pure water and EDTA-2Na, the weight of pure water and EDTA-2Na
Measuring percentage is：99.9%：0.1%.
After above-mentioned raw materials are mixed, you can in input high-temperature high-pressure boiler.Every 1000 tons of hot-water boilers are pressed in the present embodiment
Rate of water make-up adds 20 kilograms of boiler supply water deaerating corrosion inhibiter.
Wherein boiler supply water deaerating corrosion inhibiter to add position, adding equipment, temperature in use specifically same with embodiment 1.
Boiler supply water deaerating corrosion inhibiter of the invention can realize quick deoxygenation in 20s, and boiler province greatly reduces
The risk of coal device metal erosion.Also there is corrosion mitigating effect, good diaphragm can be formed in boiler internal, can effectively subtract
The corrosion rate of slow boiler plant, increases the service life.It is obvious by dissolved oxygen effect remaining after thermal de-aeration；So as to ensure
Into high temperature, the feedwater dissolved oxygen ＜ 7ug/l of high-pressure boiler, high temperature, the reliability of high-pressure boiler safe operation are improve.
Embodiment 3
L- vitamin Cs are applied in boiler supply water deaerating corrosion inhibiter.Raw material wherein in corrosion inhibiter includes following weight hundred
Divide the component of ratio；
L- vitamin Cs：Auxiliary agent=25%：75%；Auxiliary agent is made up of pure water and EDTA-2Na, the weight of pure water and EDTA-2Na
Measuring percentage is：99.5%：0.5%.
After above-mentioned raw materials are mixed, you can in input high-temperature high-pressure boiler.Every 1000 tons of hot-water boilers are pressed in the present embodiment
Rate of water make-up adds 15 kilograms of boiler supply water deaerating corrosion inhibiter.
Boiler supply water deaerating corrosion inhibiter of the invention can realize quick deoxygenation in 20s, and boiler province greatly reduces
The risk of coal device metal erosion.Also there is corrosion mitigating effect, good diaphragm can be formed in boiler internal, can effectively subtract
The corrosion rate of slow boiler plant, increases the service life.It is obvious by dissolved oxygen effect remaining after thermal de-aeration；So as to ensure
Into high temperature, the feedwater dissolved oxygen ＜ 7ug/l of high-pressure boiler, high temperature, the reliability of high-pressure boiler safe operation are improve.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (6)
- Application of the 1.L- vitamin Cs in boiler supply water deaerating corrosion inhibiter.
- 2. application of the L- vitamin Cs according to claim 1 in boiler supply water deaerating corrosion inhibiter, it is characterised in that institute Stating the raw material in corrosion inhibiter includes the component of following percentage by weight；L- vitamin Cs：Auxiliary agent=20-30%：70-80%；The auxiliary agent is made up of pure water and EDTA-2Na.
- 3. application of the L- vitamin Cs according to claim 1 in boiler supply water deaerating corrosion inhibiter, it is characterised in that institute The percentage by weight for stating pure water and EDTA-2Na is：99-99.9%：0.1-1%.
- 4. application of the L- vitamin Cs according to claim 1 in boiler supply water deaerating corrosion inhibiter, it is characterised in that institute Boiler is stated for high-temperature high-pressure boiler.
- 5. application of the L- vitamin Cs according to claim 1 in boiler supply water deaerating corrosion inhibiter, it is characterised in that institute State after boiler supply water deaerating corrosion inhibiter mixes in input boiler, wherein boiler supply water deaerating corrosion inhibiter and hot water rate of water make-up in boiler Ratio be 1-2kg：100t.
- 6. application of the L- vitamin Cs according to claim 1 in boiler supply water deaerating corrosion inhibiter, it is characterised in that institute It is between boiler feed outlet pipe and boiler feed pump to state the boiler supply water deaerating corrosion inhibiter position that adds in the boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710068308.3A CN106904678A (en) | 2017-02-08 | 2017-02-08 | Application of the L vitamin Cs in boiler supply water deaerating corrosion inhibiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710068308.3A CN106904678A (en) | 2017-02-08 | 2017-02-08 | Application of the L vitamin Cs in boiler supply water deaerating corrosion inhibiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106904678A true CN106904678A (en) | 2017-06-30 |
Family
ID=59208165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710068308.3A Pending CN106904678A (en) | 2017-02-08 | 2017-02-08 | Application of the L vitamin Cs in boiler supply water deaerating corrosion inhibiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106904678A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065984A (en) * | 2019-04-30 | 2019-07-30 | 河北厚善德水处理剂科技有限公司 | A kind of steam boiler feedwater deaeration agent and preparation method thereof and deoxidation method |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1405100A (en) * | 2001-08-09 | 2003-03-26 | 三浦工业株式会社 | Water-treatment agent for steam-boiler device |
| CN1854092A (en) * | 2005-04-25 | 2006-11-01 | 上海万森水处理有限公司 | Corrosion-proofing and antisludging method of boiler |
| CN102181869A (en) * | 2011-04-14 | 2011-09-14 | 辽宁石油化工大学 | Boiler water-feeding multifunctional corrosion inhibitor and preparation method thereof |
| CN102425778A (en) * | 2011-10-20 | 2012-04-25 | 宁夏电力公司电力科学研究院 | Process of carrying out low-temperature chemical cleaning passivation on thermal power plant boiler by utilizing EDTA (Ethylene Diamine Tetraacetic Acid) |
| CN202371696U (en) * | 2011-12-15 | 2012-08-08 | 西安兴仪启动发电试运有限公司 | On-line cleaning steam boiler device |
| CN102633374A (en) * | 2012-04-13 | 2012-08-15 | 中国石油天然气股份有限公司 | Novel corrosion and scale inhibitor applicable to natural gas heating furnace |
| CN102815797A (en) * | 2012-07-12 | 2012-12-12 | 天津市瑞德赛恩新材料开发有限公司 | Multifunctional protective agent for boiler water supply system and preparation method thereof |
| CN103183416A (en) * | 2011-12-27 | 2013-07-03 | 王炜 | Steam boiler water treatment agent and preparation method and application method thereof |
| CN103508566A (en) * | 2013-09-26 | 2014-01-15 | 苏州水盾水处理技术有限公司 | Boiler pre-filming corrosion and scale inhibitor |
| CN104402080A (en) * | 2014-06-17 | 2015-03-11 | 上海南阳精细化工有限公司 | Boiler feedwater deoxidant for replacing thermal deaerator and preparation and application methods thereof |
| CN204227406U (en) * | 2014-10-24 | 2015-03-25 | 西安华江环保科技股份有限公司 | A kind of coke dry quenching boiler feedwater deaerating system |
| CN105036360A (en) * | 2015-06-30 | 2015-11-11 | 苏州佑君环境科技有限公司 | Deoxygenating scale inhibitor and preparation method thereof |
| CN105420734A (en) * | 2015-11-03 | 2016-03-23 | 张振达 | High-temperature steam corrosion inhibitor and application method thereof |
-
2017
- 2017-02-08 CN CN201710068308.3A patent/CN106904678A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1405100A (en) * | 2001-08-09 | 2003-03-26 | 三浦工业株式会社 | Water-treatment agent for steam-boiler device |
| CN1854092A (en) * | 2005-04-25 | 2006-11-01 | 上海万森水处理有限公司 | Corrosion-proofing and antisludging method of boiler |
| CN102181869A (en) * | 2011-04-14 | 2011-09-14 | 辽宁石油化工大学 | Boiler water-feeding multifunctional corrosion inhibitor and preparation method thereof |
| CN102425778A (en) * | 2011-10-20 | 2012-04-25 | 宁夏电力公司电力科学研究院 | Process of carrying out low-temperature chemical cleaning passivation on thermal power plant boiler by utilizing EDTA (Ethylene Diamine Tetraacetic Acid) |
| CN202371696U (en) * | 2011-12-15 | 2012-08-08 | 西安兴仪启动发电试运有限公司 | On-line cleaning steam boiler device |
| CN103183416A (en) * | 2011-12-27 | 2013-07-03 | 王炜 | Steam boiler water treatment agent and preparation method and application method thereof |
| CN102633374A (en) * | 2012-04-13 | 2012-08-15 | 中国石油天然气股份有限公司 | Novel corrosion and scale inhibitor applicable to natural gas heating furnace |
| CN102815797A (en) * | 2012-07-12 | 2012-12-12 | 天津市瑞德赛恩新材料开发有限公司 | Multifunctional protective agent for boiler water supply system and preparation method thereof |
| CN103508566A (en) * | 2013-09-26 | 2014-01-15 | 苏州水盾水处理技术有限公司 | Boiler pre-filming corrosion and scale inhibitor |
| CN104402080A (en) * | 2014-06-17 | 2015-03-11 | 上海南阳精细化工有限公司 | Boiler feedwater deoxidant for replacing thermal deaerator and preparation and application methods thereof |
| CN204227406U (en) * | 2014-10-24 | 2015-03-25 | 西安华江环保科技股份有限公司 | A kind of coke dry quenching boiler feedwater deaerating system |
| CN105036360A (en) * | 2015-06-30 | 2015-11-11 | 苏州佑君环境科技有限公司 | Deoxygenating scale inhibitor and preparation method thereof |
| CN105420734A (en) * | 2015-11-03 | 2016-03-23 | 张振达 | High-temperature steam corrosion inhibitor and application method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 祁鲁梁: "《水处理药剂及材料实用手册》", 31 March 2000, 北京：中国石化出版社 * |
| 邵颖: "《高等职业教育"十二五"规划教材 食品生物化学》", 31 August 2015, 中国轻工业出版社 * |
| 郭衍银: "《园艺产品保鲜与包装》", 31 December 2004, 北京：中国环境科学出版社 * |
| 黄成群: "《电厂化学》", 31 December 2007, 北京：中国电力出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065984A (en) * | 2019-04-30 | 2019-07-30 | 河北厚善德水处理剂科技有限公司 | A kind of steam boiler feedwater deaeration agent and preparation method thereof and deoxidation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Hackerman | The theory and practice of corrosion and its control in industry | |
| CN104108761A (en) | Boiler oxygen scavenger | |
| CN106904678A (en) | Application of the L vitamin Cs in boiler supply water deaerating corrosion inhibiter | |
| CN111233178A (en) | Phosphorus-free composite cylinder cleaning agent for low-pressure boiler and preparation method thereof | |
| JPS6320305B2 (en) | ||
| CN109502729A (en) | Boiler water pH adjusting agent | |
| JPH0244594B2 (en) | ||
| CN110065984A (en) | A kind of steam boiler feedwater deaeration agent and preparation method thereof and deoxidation method | |
| CN107176703A (en) | A kind of compound boiler scale-inhibition corrosion inhibitor and its preparation method and application | |
| WO2015002286A1 (en) | Iron-scale inhibitor and steam-generating facility iron-scale inhibiting method using same | |
| CN111908627A (en) | Corrosion inhibitor applied to cooling water system of nuclear island equipment and chemical adding method thereof | |
| CN106277380A (en) | A kind of compound water treating agent for boilers compositions | |
| CN102765820A (en) | HEDP (hydroxyethylidenediphosphonic acid)-based organic corrosion and scale inhibitor for industrial boiler | |
| CN111470554A (en) | Composite water treatment agent for boiler | |
| JP5768377B2 (en) | Boiler water pH adjuster and boiler operation method | |
| CN104402080A (en) | Boiler feedwater deoxidant for replacing thermal deaerator and preparation and application methods thereof | |
| CN105112929A (en) | Thermal-state rapid silicon cleaning pretreatment filming agent for power station boiler | |
| CN107555620B (en) | Low-phosphorus environment-friendly corrosion and scale inhibitor applied to boiler and preparation and use methods thereof | |
| CN109650480A (en) | Minimum discharge stabilizer and preparation method thereof for the feed water system of boiler | |
| CN102191020B (en) | Superconductive liquid for heat exchange device and preparation method thereof | |
| CN113185007B (en) | Composite chemical for treating water in drum boiler and preparation method thereof | |
| CN109292876A (en) | Boiler water oxygen regulator | |
| CN105253982A (en) | Food-grade boiler deoxidant | |
| CN104060277A (en) | Anticorrosion technology of nuclear power unit nuclear island equipment cooling water system and corrosion inhibitor | |
| CN113481510B (en) | Corrosion inhibitor suitable for transforming condensate of coal gasification device and use method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170630 |