CN109777637A - Plate-type heat-exchange unit boiler tubing environment-friendly cleaning agent - Google Patents
Plate-type heat-exchange unit boiler tubing environment-friendly cleaning agent Download PDFInfo
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- CN109777637A CN109777637A CN201910201759.9A CN201910201759A CN109777637A CN 109777637 A CN109777637 A CN 109777637A CN 201910201759 A CN201910201759 A CN 201910201759A CN 109777637 A CN109777637 A CN 109777637A
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Abstract
The invention discloses a kind of plate-type heat-exchange unit boiler tubing environment-friendly cleaning agents, it is related to boiler tubing cleaning technique field, the boiler tubing environment-friendly cleaning agent includes: acetic acid, aminotrimethylene sodium phosphate, Sodium Polyacrylate, glacial acetic acid, tertiary sodium phosphate, divinyl triammonium pentamethylene phosphonic acids, methyl benzotriazazole, zinc sulfate.The plate-type heat-exchange unit boiler tubing environment-friendly cleaning agent, layer oxide film can be formed on boiler tubing inner wall after cleaning, corrosion of the protective conduit from hazardous medium in atmosphere and water, greatly reduce pipeline scale speed, effectively prevent the problem of pipeline will appear dirt again within a short period of time, the drawbacks of further avoiding frequent progress maintenance, scale inhibition effect is preferable, improve maintenance period, energy waste is avoided to a certain extent, the feature of environmental protection is preferable, the dirt in boiler tubing can be rapidly removed, cleaning speed is very fast, significantly improve the thermal efficiency of boiler tubing, preparation process is easy, it is easy to operate.
Description
Technical field
The present invention relates to boiler tubing cleaning technique field, specially a kind of plate-type heat-exchange unit boiler tubing Environment protection cleaning
Agent.
Background technique
After boiler occurs, become heat power equipment indispensable in each industrial and mining enterprises, public institution's production and life, and
And occupy an important position in national economy, but boiler is after running for a period of time, inevitably generates dirt, due to morning
Phase is limited by water treatment technology, and boiler fouling is mainly from impurities in water, and wherein suspended material, colloidal substance can Direct precipitations
In generating surface at dirt, dirt, boiler tube can be formed by thermal decomposition or deposition by dissolving the impurity such as calcium, magnesium, iron in substance
It the problems such as inevitably will appear dirt, corrode, due to the generation of dirt, is often made through use after a period of time in road
It is deteriorated at boiler tubing conductivity of heat, so that boiler effect reduces.
Although however, existing cleaning agent can also play the effect of scale removal, the scale removal time is longer, and after cleaning
Boiler tubing will appear dirt again within a short period of time, need to carry out frequent maintenance, and shorter maintenance period will cause energy wave
Take, the feature of environmental protection is poor, it is therefore proposed that a kind of plate-type heat-exchange unit boiler tubing environment-friendly cleaning agent solves the above problems.
Summary of the invention
The object of the invention is in order to make up for the deficiencies of the prior art, provide a kind of plate-type heat-exchange unit boiler tubing
Environment-friendly cleaning agent, it has the advantages that the scale removal time is short, extend maintenance period and the feature of environmental protection is preferable, solves existing board-like change
The heat engine group boiler tubing environment-friendly cleaning agent scale removal time is longer, boiler tubing will appear dirt again within a short period of time, needs frequency
Numerous the problem of being safeguarded.
The present invention is in order to solve the above technical problems, provide the following technical solutions: a kind of plate-type heat-exchange unit boiler tubing ring
Cleaning agent is protected, the boiler tubing environment-friendly cleaning agent includes: acetic acid, aminotrimethylene sodium phosphate, Sodium Polyacrylate, ice vinegar
Acid, tertiary sodium phosphate, divinyl triammonium pentamethylene phosphonic acids, methyl benzotriazazole, zinc sulfate, tetrasodium ethylenediamine tetraacetate, Asia
Sodium nitrate, activating agent, hexa and pure water.
Further, each component includes following component: acetic acid in terms of mass fraction in the boiler tubing environment-friendly cleaning agent
5-10 parts, 5-10 parts of aminotrimethylene sodium phosphate, 4-8 parts of Sodium Polyacrylate, 1-5 parts of glacial acetic acid, 2-6 parts of tertiary sodium phosphate, two
Three 5-10 parts of ammonia pentamethylene phosphonic acids of ethylene, 1-5 parts of methyl benzotriazazole, 1-5 parts of zinc sulfate, tetrasodium ethylenediamine tetraacetate 2-
6 parts, 1-4 parts of sodium nitrite, 1-4 parts of activating agent, 1-4 parts of hexa, 70-90 parts of pure water.
Further, each component includes following component: acetic acid in terms of mass fraction in the boiler tubing environment-friendly cleaning agent
6-9 parts, 6-9 parts of aminotrimethylene sodium phosphate, 5-7 parts of Sodium Polyacrylate, 2-4 parts of glacial acetic acid, 3-5 parts of tertiary sodium phosphate, diethyl
Three 6-9 parts of ammonia pentamethylene phosphonic acids of alkene, 2-4 parts of methyl benzotriazazole, 2-4 parts of zinc sulfate, tetrasodium ethylenediamine tetraacetate 3-5
Part, 2-3 parts of sodium nitrite, 2-3 parts of activating agent, 2-3 parts of hexa, 75-85 parts of pure water.
Further, each component includes following component: acetic acid 8 in terms of mass fraction in the boiler tubing environment-friendly cleaning agent
Part, 8 parts of aminotrimethylene sodium phosphate, 6 parts of Sodium Polyacrylate, 3 parts of glacial acetic acid, 4 parts of tertiary sodium phosphate, five methylene of divinyl triammonium
8 parts of base phosphonic acids, 3 parts of methyl benzotriazazole, 3 parts of zinc sulfate, 4 parts of tetrasodium ethylenediamine tetraacetate, 3 parts of sodium nitrite, activating agent 3
Part, 3 parts of hexa, 80 parts of pure water.
Further, preparation method includes the following steps:
S1, by acetic acid, aminotrimethylene sodium phosphate, Sodium Polyacrylate, five methylene of glacial acetic acid, tertiary sodium phosphate and divinyl triammonium
Base phosphonic acids is put into stirred tank according to the ratio, and 3-5min is mixed；
Pure water is added in beaker according to the ratio, is warming up to 25-30 DEG C by S2；
S3, by S2 heat after pure water be put into stirred tank, and according to the ratio successively by methyl benzotriazazole, zinc sulfate,
Tetrasodium ethylenediamine tetraacetate, sodium nitrite and hexa are added in stirred tank, and 20-40min is mixed；
Mixture in S3 is put into reaction kettle, is heated to 55-65 DEG C by S4, according to clockwise direction hand operated mixing 3-6min, so
After naturally cool to 40-50 DEG C, activating agent is added in reaction kettle according to the ratio, according to clockwise direction hand operated mixing 1-3min；
S5 puts into a centrifuge mixture, centrifugal treating 10-20min, is then allowed to stand under 2-5MPa environment after completing S4
15-30min can be prepared by finished product boiler tubing environment-friendly cleaning agent.
Further, the activating agent is sodium sulfate of polyethenoxy ether of fatty alcohol, butyl glycol ether, coconut oil diethanol acyl
One of amine or ethylenediamine tetra-acetic acid are a variety of.
By using above-mentioned technical proposal, the activity of the cleaning agent can be effectively improved, ensure that between each component material
Effective mixing, ensure that the maximization of each component performance, improve the performance of the cleaning agent to a certain extent.
Further, the revolving speed of stirred tank is 8-15r/min in S1, and the revolving speed of stirred tank is 30-40r/min in S3.
By using above-mentioned technical proposal, each component material can be carried out processing is sufficiently stirred, using different revolving speeds,
It can be good at meeting the mixing viscosity between each component, ensure that being sufficiently mixed for each component material.
Compared with prior art, the plate-type heat-exchange unit boiler tubing environment-friendly cleaning agent have it is following the utility model has the advantages that
1, the present invention passes through using aminotrimethylene sodium phosphate, methyl benzotriazazole and sodium nitrite as proportion material, energy
Layer oxide film, corruption of the protective conduit from hazardous medium in atmosphere and water are formed on enough boiler tubing inner walls after cleaning
Erosion, greatly reduces pipeline scale speed, the problem of pipeline will appear dirt again within a short period of time is effectively prevented, into one
Step avoids the drawbacks of frequent progress maintenance, and scale inhibition effect is preferable, improves maintenance period, avoids the energy to a certain extent
Waste, the feature of environmental protection are preferable.
2, the present invention by by acetic acid, Sodium Polyacrylate, glacial acetic acid, tertiary sodium phosphate, divinyl triammonium pentamethylene phosphonic acids,
Zinc sulfate and tetrasodium ethylenediamine tetraacetate can effectively improve the scale removal performance of the cleaning agent as proportion material, can be quick
The dirt in boiler tubing is removed, cleaning speed is very fast, significantly improves the thermal efficiency of boiler tubing, and preparation process is easy, behaviour
Facilitate.
3, the present invention is by that can generate chemical anti-using zinc sulfate, activating agent and hexa as proportion material
Synergistic effect should and be formed, so that the dirt to inner wall of the pipe carries out potent removal, can effectively remove and be attached to inner wall of the pipe
Solidification impurity and corrosion, the scales composition such as calcium carbonate, magnesium carbonate, calcium sulfate, calcium silicates and iron oxide can be dissolved, to metal
It is corrosion-free, nontoxic, quick, thoroughly remove the scale for being attached to boiler inner wall, good descaling effect.
Specific embodiment
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment one
A kind of plate-type heat-exchange unit boiler tubing environment-friendly cleaning agent, formula include following component: acetic acid 5 in terms of mass fraction
Part, 5 parts of aminotrimethylene sodium phosphate, 4 parts of Sodium Polyacrylate, 1 part of glacial acetic acid, 2 parts of tertiary sodium phosphate, five methylene of divinyl triammonium
5 parts of base phosphonic acids, 1 part of methyl benzotriazazole, 1 part of zinc sulfate, 2 parts of tetrasodium ethylenediamine tetraacetate, 1 part of sodium nitrite, activating agent 1
Part, 1 part of hexa, 70 parts of pure water.
Preparation method includes the following steps:
S1, by 5 parts of acetic acid, 5 parts of aminotrimethylene sodium phosphates, 4 parts of Sodium Polyacrylates, 1 part of glacial acetic acid, 2 parts of tertiary sodium phosphates and 5
Part divinyl triammonium pentamethylene phosphonic acids is put into stirred tank according to the ratio, and 3min is mixed, and the revolving speed of stirred tank is 8r/min；
70 parts of pure water are added in beaker according to the ratio, are warming up to 25 DEG C by S2；
Pure water after heating in S2 is put into stirred tank by S3, and according to the ratio successively by 1 part of methyl benzotriazazole, 1 part of sulphur
Sour zinc, 2 parts of tetrasodium ethylenediamine tetraacetates, 1 part of sodium nitrite and 1 part of hexa are added in stirred tank, are mixed
20min, the revolving speed of stirred tank are 30r/min；
Mixture in S3 is put into reaction kettle by S4, is heated to 55 DEG C, according to clockwise direction hand operated mixing 3min, then certainly
40 DEG C so are cooled to, 1 portion of activating agent is added in reaction kettle according to the ratio, according to clockwise direction hand operated mixing 1min；
S5 puts into a centrifuge mixture after completing S4, and centrifugal treating 10min, is then allowed to stand 15min under 2MPa environment,
It can be prepared by finished product boiler tubing environment-friendly cleaning agent.
Embodiment two
A kind of plate-type heat-exchange unit boiler tubing environment-friendly cleaning agent, formula include following component: acetic acid 8 in terms of mass fraction
Part, 8 parts of aminotrimethylene sodium phosphate, 6 parts of Sodium Polyacrylate, 3 parts of glacial acetic acid, 4 parts of tertiary sodium phosphate, five methylene of divinyl triammonium
8 parts of base phosphonic acids, 3 parts of methyl benzotriazazole, 3 parts of zinc sulfate, 4 parts of tetrasodium ethylenediamine tetraacetate, 3 parts of sodium nitrite, activating agent 3
Part, 3 parts of hexa, 80 parts of pure water.
Preparation method includes the following steps:
S1, by 8 parts of acetic acid, 8 parts of aminotrimethylene sodium phosphates, 6 parts of Sodium Polyacrylates, 3 parts of glacial acetic acid, 4 parts of tertiary sodium phosphates and 8
Part divinyl triammonium pentamethylene phosphonic acids is put into stirred tank according to the ratio, and 4min is mixed, and the revolving speed of stirred tank is 12r/
min；
80 parts of pure water are added in beaker according to the ratio, are warming up to 28 DEG C by S2；
Pure water after heating in S2 is put into stirred tank by S3, and according to the ratio successively by 3 parts of methyl benzotriazazoles, 3 parts of sulphur
Sour zinc, 4 parts of tetrasodium ethylenediamine tetraacetates, 3 parts of sodium nitrites and 3 parts of hexas are added in stirred tank, are mixed
30min, the revolving speed of stirred tank are 35r/min；
Mixture in S3 is put into reaction kettle by S4, is heated to 60 DEG C, according to clockwise direction hand operated mixing 5min, then certainly
45 DEG C so are cooled to, 3 portions of activating agents are added in reaction kettle according to the ratio, according to clockwise direction hand operated mixing 2min；
S5 puts into a centrifuge mixture after completing S4, and centrifugal treating 15min, is then allowed to stand 25min under 4MPa environment,
It can be prepared by finished product boiler tubing environment-friendly cleaning agent.
Embodiment three
A kind of plate-type heat-exchange unit boiler tubing environment-friendly cleaning agent, formula include following component: acetic acid 10 in terms of mass fraction
Part, 10 parts of aminotrimethylene sodium phosphate, 8 parts of Sodium Polyacrylate, 5 parts of glacial acetic acid, 6 parts of tertiary sodium phosphate, divinyl triammonium five is sub-
10 parts of methylphosphonic acid, 5 parts of methyl benzotriazazole, 5 parts of zinc sulfate, 6 parts of tetrasodium ethylenediamine tetraacetate, 4 parts of sodium nitrite, activity
4 parts of agent, 4 parts of hexa, 90 parts of pure water.
Preparation method includes the following steps:
S1, by 10 parts of acetic acid, 10 parts of aminotrimethylene sodium phosphates, 8 parts of Sodium Polyacrylates, 5 parts of glacial acetic acid, 6 parts of tertiary sodium phosphates
It is put into stirred tank according to the ratio with 10 parts of divinyl triammonium pentamethylene phosphonic acids, 5min is mixed, the revolving speed of stirred tank is
15r/min；
90 parts of pure water are added in beaker according to the ratio, are warming up to 30 DEG C by S2；
Pure water after heating in S2 is put into stirred tank by S3, and according to the ratio successively by 5 parts of methyl benzotriazazoles, 5 parts of sulphur
Sour zinc, 6 parts of tetrasodium ethylenediamine tetraacetates, 4 parts of sodium nitrites and 4 parts of hexas are added in stirred tank, are mixed
40min, the revolving speed of stirred tank are 40r/min；
Mixture in S3 is put into reaction kettle by S4, is heated to 65 DEG C, according to clockwise direction hand operated mixing 6min, then certainly
50 DEG C so are cooled to, activating agent is added in reaction kettle according to the ratio, according to clockwise direction hand operated mixing 3min；
S5 puts into a centrifuge mixture after completing S4, and centrifugal treating 20min, is then allowed to stand 30min under 5MPa environment,
It can be prepared by finished product boiler tubing environment-friendly cleaning agent.
The prior art:
A kind of plate boiler tubing cleaning agent, preparation method include the following steps:
5 parts of amine ethoxylates, 5 parts of sulfuric acid, 5 parts of tartaric acid, 5 parts of ammonium hydroxide, 5 parts of tartaric acid, 5 parts of hydrofluoric acid and suitable quantity of water are added
Enter in reaction kettle and be uniformly mixed, boiler tubing cleaning agent can be obtained.
It is the detection contrast table carried out in practice below:
| Classification | Descaling rate | The rate of cleaning | Scavenging period | The scale inhibition period (day) |
| Embodiment one | 95.3% | 96% | 41min | 168 |
| Embodiment two | 97.8% | 98% | 28min | 180 |
| Embodiment three | 96.5% | 97% | 35min | 175 |
| The prior art | 67% | 70% | 75min | 108 |
It was found from above-mentioned comparing result: descaling rate >=95.3% of boiler tubing environment-friendly cleaning agent of the present invention, cleaning rate >=96%, clearly
Wash the time most reaches 28min fastly, and scale inhibition period longest reaches 180 days, and all data is significantly larger than existing cleaning agent, has scale removal
The advantages that time is short, the scale inhibition period is long, greatly reduces pipeline scale speed, effectively prevents pipeline within a short period of time again
The problem of will appear dirt, further avoids the drawbacks of frequent progress is safeguarded, scale inhibition effect is preferable, improves maintenance period,
Avoid energy waste to a certain extent, the feature of environmental protection is preferable, can rapidly remove the dirt in boiler tubing, cleaning speed compared with
Fastly, the thermal efficiency of boiler tubing is significantly improved, preparation process is easy, easy to operate.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of plate-type heat-exchange unit boiler tubing environment-friendly cleaning agent, it is characterised in that: the boiler tubing environment-friendly cleaning agent packet
Include: acetic acid, aminotrimethylene sodium phosphate, Sodium Polyacrylate, glacial acetic acid, tertiary sodium phosphate, divinyl triammonium pentamethylene phosphonic acids,
Methyl benzotriazazole, zinc sulfate, tetrasodium ethylenediamine tetraacetate, sodium nitrite, activating agent, hexa and pure water.
2. plate-type heat-exchange unit boiler tubing environment-friendly cleaning agent according to claim 1, it is characterised in that: the boiler tube
Each component includes following component in terms of mass fraction in road environment-friendly cleaning agent: 5-10 parts of acetic acid, aminotrimethylene sodium phosphate 5-
10 parts, 4-8 parts of Sodium Polyacrylate, 1-5 parts of glacial acetic acid, 2-6 parts of tertiary sodium phosphate, 5-10 parts of divinyl triammonium pentamethylene phosphonic acids,
1-5 parts of methyl benzotriazazole, 1-5 parts of zinc sulfate, 2-6 parts of tetrasodium ethylenediamine tetraacetate, 1-4 parts of sodium nitrite, activating agent 1-4
Part, 1-4 parts of hexa, 70-90 parts of pure water.
3. plate-type heat-exchange unit boiler tubing environment-friendly cleaning agent according to claim 2, it is characterised in that: the boiler tube
Each component includes following component in terms of mass fraction in road environment-friendly cleaning agent: 6-9 parts of acetic acid, aminotrimethylene sodium phosphate 6-9
Part, 5-7 parts of Sodium Polyacrylate, 2-4 parts of glacial acetic acid, 3-5 parts of tertiary sodium phosphate, 6-9 parts of divinyl triammonium pentamethylene phosphonic acids, methyl
2-4 parts of benzotriazole, 2-4 parts of zinc sulfate, 3-5 parts of tetrasodium ethylenediamine tetraacetate, 2-3 parts of sodium nitrite, 2-3 parts of activating agent,
2-3 parts of hexa, 75-85 parts of pure water.
4. plate-type heat-exchange unit boiler tubing environment-friendly cleaning agent according to claim 3, it is characterised in that: the boiler tube
Each component includes following component in terms of mass fraction in road environment-friendly cleaning agent: 8 parts of acetic acid, 8 parts of aminotrimethylene sodium phosphate, being gathered
6 parts of sodium acrylate, 3 parts of glacial acetic acid, 4 parts of tertiary sodium phosphate, 8 parts of divinyl triammonium pentamethylene phosphonic acids, methyl benzotriazazole 3
Part, 3 parts of zinc sulfate, 4 parts of tetrasodium ethylenediamine tetraacetate, 3 parts of sodium nitrite, 3 parts of activating agent, 3 parts of hexa, pure water
80 parts.
5. plate-type heat-exchange unit boiler tubing environment-friendly cleaning agent described in -4 according to claim 1, it is characterised in that: its preparation side
Method includes the following steps:
S1, by acetic acid, aminotrimethylene sodium phosphate, Sodium Polyacrylate, five methylene of glacial acetic acid, tertiary sodium phosphate and divinyl triammonium
Base phosphonic acids is put into stirred tank according to the ratio, and 3-5min is mixed；
Pure water is added in beaker according to the ratio, is warming up to 25-30 DEG C by S2；
S3, by S2 heat after pure water be put into stirred tank, and according to the ratio successively by methyl benzotriazazole, zinc sulfate,
Tetrasodium ethylenediamine tetraacetate, sodium nitrite and hexa are added in stirred tank, and 20-40min is mixed；
Mixture in S3 is put into reaction kettle, is heated to 55-65 DEG C by S4, according to clockwise direction hand operated mixing 3-6min, so
After naturally cool to 40-50 DEG C, activating agent is added in reaction kettle according to the ratio, according to clockwise direction hand operated mixing 1-3min；
S5 puts into a centrifuge mixture, centrifugal treating 10-20min, is then allowed to stand under 2-5MPa environment after completing S4
15-30min can be prepared by finished product boiler tubing environment-friendly cleaning agent.
6. plate-type heat-exchange unit boiler tubing environment-friendly cleaning agent according to claim 1, it is characterised in that: the activating agent
For one of sodium sulfate of polyethenoxy ether of fatty alcohol, butyl glycol ether, lauric acid amide of ethanol or ethylenediamine tetra-acetic acid or
It is a variety of.
7. plate-type heat-exchange unit boiler tubing environment-friendly cleaning agent according to claim 5, it is characterised in that: stirred tank in S1
Revolving speed be 8-15r/min, the revolving speed of stirred tank is 30-40r/min in S3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910201759.9A CN109777637A (en) | 2019-03-18 | 2019-03-18 | Plate-type heat-exchange unit boiler tubing environment-friendly cleaning agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910201759.9A CN109777637A (en) | 2019-03-18 | 2019-03-18 | Plate-type heat-exchange unit boiler tubing environment-friendly cleaning agent |
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| Publication Number | Publication Date |
|---|---|
| CN109777637A true CN109777637A (en) | 2019-05-21 |
Family
ID=66488186
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910201759.9A Pending CN109777637A (en) | 2019-03-18 | 2019-03-18 | Plate-type heat-exchange unit boiler tubing environment-friendly cleaning agent |
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|---|---|---|---|---|
| CN1715216A (en) * | 2004-06-30 | 2006-01-04 | 上海万森水处理有限公司 | Stable corrosion inhibiting anti-scaling agent |
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| CN105220164A (en) * | 2015-10-21 | 2016-01-06 | 刘旸 | A kind of clean-out system of heat supply heating system |
| CN105886149A (en) * | 2016-04-28 | 2016-08-24 | 无锡锡能锅炉有限公司 | Descaling agent for gas boilers |
| 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 |
| CN109052677A (en) * | 2018-09-08 | 2018-12-21 | 河南维诺生物科技有限公司 | A kind of recirculated water corrosion inhibiting and descaling agent and its application method |
-
2019
- 2019-03-18 CN CN201910201759.9A patent/CN109777637A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1715216A (en) * | 2004-06-30 | 2006-01-04 | 上海万森水处理有限公司 | Stable corrosion inhibiting anti-scaling agent |
| CN105112926A (en) * | 2015-09-15 | 2015-12-02 | 青岛友诚高新技术有限公司 | Cleaning synergist for heating supply system |
| CN105220164A (en) * | 2015-10-21 | 2016-01-06 | 刘旸 | A kind of clean-out system of heat supply heating system |
| CN105886149A (en) * | 2016-04-28 | 2016-08-24 | 无锡锡能锅炉有限公司 | Descaling agent for gas boilers |
| 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 |
| CN109052677A (en) * | 2018-09-08 | 2018-12-21 | 河南维诺生物科技有限公司 | A kind of recirculated water corrosion inhibiting and descaling agent and its application method |
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