CN108545841A - A kind of casting sial boiler protection agent and preparation method - Google Patents
A kind of casting sial boiler protection agent and preparation method Download PDFInfo
- Publication number
- CN108545841A CN108545841A CN201810377178.6A CN201810377178A CN108545841A CN 108545841 A CN108545841 A CN 108545841A CN 201810377178 A CN201810377178 A CN 201810377178A CN 108545841 A CN108545841 A CN 108545841A
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- CN
- China
- Prior art keywords
- parts
- protection agent
- boiler
- sial
- casting
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- 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.)
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Classifications
-
- 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
- C02F5/12—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
-
- 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
-
- 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
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
Abstract
The present invention relates to casting sial boiler attendances to maintain technical field, more particularly to a kind of casting sial boiler protection agent and preparation method.It includes following components by weight：18 33 parts of anti-incrustation corrosion inhibitor, 18 33 parts of polymaleic anhydride, 9 22 parts of white vitriol, 0.1 0.6 parts of benzotriazole, 4 16 parts of sodium molybdate, 7 14 parts of sodium metasilicate.Casting sial boiler protection agent provided by the present invention, the silico-aluminum to casting sial boiler have preferable barrier propterty in high temperature water environment, and for irony component, copper component also has certain protective capacities, scale inhibition effect good.
Description
Technical field
The present invention relates to casting sial boiler attendances to maintain technical field, more particularly to a kind of casting sial boiler protection agent and system
Preparation Method.
Background technology
Casting sial boiler is the 5th generation hot-water boiler of plastics on new materials, new process, has relatively high requirement to water quality, specifically wants
It asks：
1, never allow the sofening treatment water using ion exchange principle；
2, demineralization water or distilled water must not be used；
3, the electric conductivity of water is no more than 600 μ s/cm；
4, PH is between 6.5-8.5；
5, chloride highest content is allowed to be 250mg/l；
6, the hardness of water is no more than 200mg/l.
Casting sial boiler is made with silico-aluminum of main material.The formation of silico-aluminum heat exchanger is closed in casting sial boiler
Formula system, long-term work easily causes the silico-aluminum of heat exchanger to corrode, to reduce the service life of water heater.Therefore,
It in casting sial boiler running process, needs to add protective agent in water supply, protective agent type is various in the market, and performance respectively has excellent
It is bad, but it is rarely found have specifically for the casting dedicated protective agent of sial boiler, the protective agent in market makes in casting sial boiler
With ineffective, scale-inhibiting properties are fine, but insufficient to the protective capacities for casting sial Boiler Material Transformation.
Invention content
It is an object of the present invention to provide a kind of casting sial boiler protection agent, as specifically for casting sial boiler
Protective agent；
Another object of the present invention also resides in the preparation method for providing a kind of casting sial boiler protection agent, for preparing specially
Protective agent of the door for casting sial boiler.
The purpose of the present invention is what is realized by following technical proposals：
A kind of casting sial boiler protection agent comprising following components by weight：
18-33 parts of anti-incrustation corrosion inhibitor, 18-33 parts of polymaleic anhydride, 9-22 parts of white vitriol, benzotriazole 0.1-
0.6 part, 4-16 parts of sodium molybdate, 7-14 parts of sodium metasilicate.
Further, including by weight following components：
20-30 parts of anti-incrustation corrosion inhibitor, 20-30 parts of polymaleic anhydride, 10-20 parts of white vitriol, benzotriazole 0.2-
0.5 part, 5-15 parts of sodium molybdate, 8-13 parts of sodium metasilicate.
Further, the anti-incrustation corrosion inhibitor is 1-hydroxy ethylidene-1,1-diphosphonic acid.
Further, the anti-incrustation corrosion inhibitor is 2- phosphates -1,2,4- butane tricarboxylates.
A kind of preparation method for casting sial boiler protection agent according to any description above, includes the following steps：
(1) anti-incrustation corrosion inhibitor, polymaleic anhydride are added in blender, is quickly stirred；
(2) it is slowly added into white vitriol, sodium molybdate, sodium metasilicate after solution-stabilized, mixes slowly mixing；
(3) benzotriazole is being added after mixing, the product for stirring formation can tinning.
Further, mixing time is 20-40 minutes in step (1).
Further, mixing time is 20-40 minutes in step (2).
Further, mixing time is 5-15 minutes in step (3).
Further, speed of agitator is 500-600 revs/min in step (1).
Further, speed of agitator is 300-400 revs/min in step (2).
The present invention has the following advantages that compared with prior art：
1. casting sial boiler protection agent of the present invention comprising following components by weight：Anti-incrustation corrosion inhibitor 18-
33 parts, 18-33 parts of polymaleic anhydride, 9-22 parts of white vitriol, 0.1-0.6 parts of benzotriazole, 4-16 parts of sodium molybdate, silicic acid
7-14 parts of sodium；The present invention can effectively control the pH value of water 7 or so；The content of chloride in water and the electric conductivity of water
Control is within claimed range；It can be with prolonged boiler service life 3-5；The present invention is to casting the silico-aluminum of sial boiler in height
There is preferable barrier propterty, for irony component, copper component also has certain protective capacities, scale inhibition effect in warm water environment
Fruit is good, in year in the water time, not will produce scale build-up.
2. anti-incrustation corrosion inhibitor of the present invention is 1-hydroxy ethylidene-1,1-diphosphonic acid；1-hydroxy ethylidene-1,1-diphosphonic acid and inorganic polyphosphate phase
Than having the characteristics that good chemical stability, not facile hydrolysis, energy higher temperature resistant and having both the dirty performance of mitigation erosion, be a kind of
When cathode type corrosion inhibiter and other water treatment agents are used in combination, ideal synergistic effect is shown, such as to many metal ions
Calcium, magnesium, copper, zinc etc. have excellent sequestering power, and also have preferable deactivation to the inorganic salts of these metals.
3. anti-incrustation corrosion inhibitor of the present invention is 2- phosphates -1,2,4- butane tricarboxylates；2- phosphates -1,2,4- tricarboxylics
Sour butane is widely used in the corrosion-mitigation scale-inhibition of recirculating cooling water system and oil field flood pattern, is particularly suitable for and zinc salt, copolymer
It is used in compounding, can be used for high temperature, high hard, high-alkali and need the occasion run under high concentration multiple.
Description of the drawings
Fig. 1 is the flow chart of the preparation method of casting sial boiler protection agent of the present invention.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
Embodiment 1：
A kind of casting sial boiler protection agent comprising following components by weight：
30 parts of 1-hydroxy ethylidene-1,1-diphosphonic acid, 20 parts of polymaleic anhydride, 10 parts of white vitriol, 0.2 part of benzotriazole, molybdic acid
5 parts of sodium, 8 parts of sodium metasilicate.
As shown in Figure 1, the preparation method of above-mentioned casting sial boiler protection agent, includes the following steps：
(1) 1-hydroxy ethylidene-1,1-diphosphonic acid, polymaleic anhydride are added in blender, is quickly stirred, speed of agitator 550
Rev/min, mixing time is 30 minutes；
(2) it is slowly added into white vitriol, sodium molybdate, sodium metasilicate after solution-stabilized, mixes slowly mixing, speed of agitator is
350 revs/min, mixing time is 30 minutes；
(3) benzotriazole being added after mixing, speed of agitator is 350 revs/min, and mixing time is 10 minutes,
The product that stirring is formed can tinning.
Embodiment 2：
A kind of casting sial boiler protection agent comprising following components by weight：
2- phosphates -1,2,23 parts of 4- butane tricarboxylates, 23 parts of polymaleic anhydride, 13 parts of white vitriol, three nitrogen of benzo
0.3 part of azoles, 8 parts of sodium molybdate, 10 parts of sodium metasilicate.
As shown in Figure 1, the preparation method of above-mentioned casting sial boiler protection agent, includes the following steps：
(1) 2- phosphates -1,2 are added in blender, 4- butane tricarboxylates, polymaleic anhydride are quickly stirred, stir
Mix rotating speed is 550 revs/min, and mixing time is 25 minutes；
(2) it is slowly added into white vitriol, sodium molybdate, sodium metasilicate after solution-stabilized, mixes slowly mixing, speed of agitator is
350 revs/min, mixing time is 25 minutes；
(3) benzotriazole is being added after mixing, speed of agitator is 350 revs/min, and mixing time is 8 minutes, is stirred
Mixing the product to be formed can tinning.
Embodiment 3：
A kind of casting sial boiler protection agent comprising following components by weight：
28 parts of 1-hydroxy ethylidene-1,1-diphosphonic acid, 28 parts of polymaleic anhydride, 18 parts of white vitriol, 0.4 part of benzotriazole, molybdic acid
13 parts of sodium, 12 parts of sodium metasilicate.
As shown in Figure 1, the preparation method of above-mentioned casting sial boiler protection agent, includes the following steps：
(1) 1-hydroxy ethylidene-1,1-diphosphonic acid, polymaleic anhydride are added in blender, is quickly stirred, speed of agitator 550
Rev/min, mixing time is 35 minutes；
(2) it is slowly added into white vitriol, sodium molybdate, sodium metasilicate after solution-stabilized, mixes slowly mixing, speed of agitator is
350 revs/min, mixing time is 35 minutes；
(3) benzotriazole being added after mixing, speed of agitator is 350 revs/min, and mixing time is 10 minutes,
The product that stirring is formed can tinning.
Embodiment 4：
A kind of casting sial boiler protection agent comprising following components by weight：
2- phosphates -1,2,20 parts of 4- butane tricarboxylates, 30 parts of polymaleic anhydride, 20 parts of white vitriol, three nitrogen of benzo
0.5 part of azoles, 15 parts of sodium molybdate, 13 parts of sodium metasilicate.
As shown in Figure 1, the preparation method of above-mentioned casting sial boiler protection agent, includes the following steps：
(1) 2- phosphates -1,2 are added in blender, 4- butane tricarboxylates, polymaleic anhydride are quickly stirred, stir
Mix rotating speed is 550 revs/min, and mixing time is 30 minutes；
(2) it is slowly added into white vitriol, sodium molybdate, sodium metasilicate after solution-stabilized, mixes slowly mixing, speed of agitator is
350 revs/min, mixing time is 30 minutes；
(3) benzotriazole being added after mixing, speed of agitator is 350 revs/min, and mixing time is 10 minutes,
The product that stirring is formed can tinning.
Protective agent performance measurement result see the table below 1
Table 1：
| Embodiment | Scale inhibition performance/% | Corrosion inhibition rate/% |
| 1 | 95.2 | 92.1 |
| 2 | 98.3 | 94.8 |
| 3 | 99.7 | 96.5 |
| 4 | 97.5 | 98.2 |
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of casting sial boiler protection agent, it is characterised in that：Including following components by weight：
18-33 parts of anti-incrustation corrosion inhibitor, 18-33 parts of polymaleic anhydride, 9-22 parts of white vitriol, 0.1-0.6 parts of benzotriazole,
4-16 parts of sodium molybdate, 7-14 parts of sodium metasilicate.
2. casting sial boiler protection agent according to claim 1, it is characterised in that：Including by weight with the following group
Point：
20-30 parts of anti-incrustation corrosion inhibitor, 20-30 parts of polymaleic anhydride, 10-20 parts of white vitriol, benzotriazole 0.2-0.5
Part, 5-15 parts of sodium molybdate, 8-13 parts of sodium metasilicate.
3. casting sial boiler protection agent according to claim 1, it is characterised in that：The anti-incrustation corrosion inhibitor is hydroxy ethylidene
Diphosphonic acid.
4. casting sial boiler protection agent according to claim 1, it is characterised in that：The anti-incrustation corrosion inhibitor is 2- phosphoric acid
Base -1,2,4- butane tricarboxylates.
5. according to the preparation method of any casting sial boiler protection agent of claim 1-4, which is characterized in that including following
Step：
(1) anti-incrustation corrosion inhibitor, polymaleic anhydride are added in blender, is quickly stirred；
(2) it is slowly added into white vitriol, sodium molybdate, sodium metasilicate after solution-stabilized, mixes slowly mixing；
(3) benzotriazole is being added after mixing, the product for stirring formation can tinning.
6. the preparation method of casting sial boiler protection agent according to claim 5, it is characterised in that：Stirring in step (1)
Time is 20-40 minutes.
7. the preparation method of casting sial boiler protection agent according to claim 5, it is characterised in that：Stirring in step (2)
Time is 20-40 minutes.
8. the preparation method of casting sial boiler protection agent according to claim 5, it is characterised in that：Stirring in step (3)
Time is 5-15 minutes.
9. the preparation method of casting sial boiler protection agent according to claim 5, it is characterised in that：Stirring in step (1)
Rotating speed is 500-600 revs/min.
10. the preparation method of casting sial boiler protection agent according to claim 5, it is characterised in that：Stirring in step (2)
Rotating speed is 300-400 revs/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810377178.6A CN108545841A (en) | 2018-04-25 | 2018-04-25 | A kind of casting sial boiler protection agent and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810377178.6A CN108545841A (en) | 2018-04-25 | 2018-04-25 | A kind of casting sial boiler protection agent and preparation method |
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| Publication Number | Publication Date |
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| CN108545841A true CN108545841A (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810377178.6A Pending CN108545841A (en) | 2018-04-25 | 2018-04-25 | A kind of casting sial boiler protection agent and preparation method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102351326A (en) * | 2011-08-29 | 2012-02-15 | 山东天庆科技发展有限公司 | Method for preparing micro-phosphor anti-scaling corrosion inhibitor |
| CN102730847A (en) * | 2011-04-02 | 2012-10-17 | 中国石油化工股份有限公司 | Non-phosphorus composite anti- incrustation corrosion inhibiter and its application in water treatment |
| CN102730848A (en) * | 2011-04-02 | 2012-10-17 | 中国石油化工股份有限公司 | Composite anti-incrustation corrosion inhibiter and its application in water treatment |
| CN102923868A (en) * | 2012-11-15 | 2013-02-13 | 天津大学 | Composite corrosion and scale inhibitor for reclaimed water as circulating cooling water of power plant |
| CN106430655A (en) * | 2016-07-25 | 2017-02-22 | 仙桃市信达化工有限责任公司 | High efficiency scale and corrosion inhibitor for treating industrial circulating cooling water |
-
2018
- 2018-04-25 CN CN201810377178.6A patent/CN108545841A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102730847A (en) * | 2011-04-02 | 2012-10-17 | 中国石油化工股份有限公司 | Non-phosphorus composite anti- incrustation corrosion inhibiter and its application in water treatment |
| CN102730848A (en) * | 2011-04-02 | 2012-10-17 | 中国石油化工股份有限公司 | Composite anti-incrustation corrosion inhibiter and its application in water treatment |
| CN102351326A (en) * | 2011-08-29 | 2012-02-15 | 山东天庆科技发展有限公司 | Method for preparing micro-phosphor anti-scaling corrosion inhibitor |
| CN102923868A (en) * | 2012-11-15 | 2013-02-13 | 天津大学 | Composite corrosion and scale inhibitor for reclaimed water as circulating cooling water of power plant |
| CN106430655A (en) * | 2016-07-25 | 2017-02-22 | 仙桃市信达化工有限责任公司 | High efficiency scale and corrosion inhibitor for treating industrial circulating cooling water |
Non-Patent Citations (1)
| Title |
|---|
| 仓理: "《精细化工工艺 有机篇》", 31 May 1998, 北京：化学工业出版社 * |
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Application publication date: 20180918 |