CN105039997A - Tungstate carbon steel compound corrosion inhibitor for natural seawater - Google Patents
Tungstate carbon steel compound corrosion inhibitor for natural seawater Download PDFInfo
- Publication number
- CN105039997A CN105039997A CN201510362157.3A CN201510362157A CN105039997A CN 105039997 A CN105039997 A CN 105039997A CN 201510362157 A CN201510362157 A CN 201510362157A CN 105039997 A CN105039997 A CN 105039997A
- Authority
- CN
- China
- Prior art keywords
- water
- corrosion inhibitor
- sodium
- carbon steel
- tungstate
- 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
- 230000007797 corrosion Effects 0.000 title claims abstract description 78
- 238000005260 corrosion Methods 0.000 title claims abstract description 78
- 239000013535 sea water Substances 0.000 title claims abstract description 65
- 239000003112 inhibitor Substances 0.000 title claims abstract description 42
- 229910000975 Carbon steel Inorganic materials 0.000 title claims abstract description 30
- 239000010962 carbon steel Substances 0.000 title claims abstract description 30
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 150000001875 compounds Chemical class 0.000 title abstract description 3
- 235000019830 sodium polyphosphate Nutrition 0.000 claims abstract description 30
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 30
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 claims abstract description 29
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims abstract description 29
- 229960001763 zinc sulfate Drugs 0.000 claims abstract description 29
- 229910000368 zinc sulfate Inorganic materials 0.000 claims abstract description 29
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 43
- 239000002131 composite material Substances 0.000 claims description 36
- NEEHYRZPVYRGPP-IYEMJOQQSA-L calcium gluconate Chemical compound [Ca+2].OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O NEEHYRZPVYRGPP-IYEMJOQQSA-L 0.000 claims description 28
- 235000019353 potassium silicate Nutrition 0.000 claims description 28
- 239000004115 Sodium Silicate Substances 0.000 abstract 2
- 229960004494 calcium gluconate Drugs 0.000 abstract 2
- 239000004227 calcium gluconate Substances 0.000 abstract 2
- 235000013927 calcium gluconate Nutrition 0.000 abstract 2
- NEEHYRZPVYRGPP-UHFFFAOYSA-L calcium;2,3,4,5,6-pentahydroxyhexanoate Chemical compound [Ca+2].OCC(O)C(O)C(O)C(O)C([O-])=O.OCC(O)C(O)C(O)C(O)C([O-])=O NEEHYRZPVYRGPP-UHFFFAOYSA-L 0.000 abstract 2
- 229910052911 sodium silicate Inorganic materials 0.000 abstract 2
- 230000005764 inhibitory process Effects 0.000 description 32
- 230000010287 polarization Effects 0.000 description 11
- 230000000116 mitigating effect Effects 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052816 inorganic phosphate Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 235000019600 saltiness Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- KIEOKOFEPABQKJ-UHFFFAOYSA-N sodium dichromate Chemical compound [Na+].[Na+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KIEOKOFEPABQKJ-UHFFFAOYSA-N 0.000 description 1
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 description 1
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Substances [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000013014 water-saving technology Methods 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 229940104383 zinc sulfate 80 mg Drugs 0.000 description 1
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
A tungstate carbon steel compound corrosion inhibitor for natural seawater is characterized by being composed of sodium tungstate, calcium gluconate, zinc sulfate, sodium polyphosphate and sodium silicate. Natural seawater of per liter comprises, by mass, 20-100 mg of sodium tungstate, 20-120 mg of calcium gluconate, 40-120 mg of zinc sulfate, 40-120 mg of sodium polyphosphate and 10-80 mg of sodium silicate.
Description
Technical field
The present invention relates to a kind of carbon steel corrosion inhibitor, particularly relating to a kind of for slowing down the tungstate carbon steel composite corrosion inhibitor that seawater corrodes carbon steel material in natural sea-water.
Background technology
Along with Freshwater resources are nervous, the environmental protective, water saving technology adopting seawater to make recirculated cooling water has a wide range of applications demand in electric power, the contour water consumption industry of chemical industry.But the saltiness of seawater is high, and comparison of ingredients is complicated, compared with fresh water, has stronger corrodibility.So, use seawater to be exactly the etching problem solving seawater as maximum technical barrier desired during recirculated cooling water.The method solving sea-water corrosion problem mainly contains the measures such as coating, galvanic protection and interpolation inhibiter.There is certain defect in coating and galvanic protection two kinds of methods, and is subject to the restriction of certain condition, is therefore not easy to extensive employing; Adding inhibiter is the most effective means solving sea-water corrosion problem at present.
Early stage inhibiter mostly is the chromic salt, dichromate, Sodium Nitrite, inorganic phosphate etc. that environment are had to pollution.After the nineties in 20th century, the research of corrosion inhibitor of sea water mainly concentrates on environmentally safe or oligosaprobic environmentally friendly inhibiter, and at present, development of new is efficient, environmental protection, economic carbon steel corrosion inhibitor of sea water have important economic worth and practical significance.
Tungstate toxicity is low, belongs to environmentally friendly inhibiter, not only can change the activation polarization effect of metal as the inhibiter of metal uniform corrosion, can also suppress the spot corrosion of metal.But when being used alone tungstate, corrosion inhibition rate is not high, and large usage quantity; The inhibition efficiency of tungstate system composite corrosion inhibitor is then relatively better.Therefore, to the research of New Tungsten hydrochlorate composite corrosion inhibitor, there is important value.
Summary of the invention
Technical problem to be solved by this invention, is just to provide a kind of tungstate carbon steel composite corrosion inhibitor, and high, the with low cost and environmental friendliness of its inhibition efficiency, can suppress the spot corrosion of carbon steel effectively.
Solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of natural sea-water tungstate carbon steel composite corrosion inhibitor, it is characterized in that: be made up of sodium wolframate, calglucon, zinc sulfate, sodium polyphosphate and water glass, in often liter of natural sea-water, the mass range of each component is:
Sodium wolframate 20 ~ 100mg, calglucon 20 ~ 120mg, zinc sulfate 40 ~ 120mg, sodium polyphosphate 40 ~ 120mg, water glass 10 ~ 80mg.
Preferably, in often liter of natural sea-water, the mass range of each component is: sodium wolframate 80mg, calglucon 20 ~ 120mg, zinc sulfate 40 ~ 120mg, sodium polyphosphate 40 ~ 120mg, water glass 10 ~ 80mg.
Preferably, in often liter of natural sea-water, the mass range of each component is: sodium wolframate 20 ~ 100mg, calglucon 40mg, zinc sulfate 40 ~ 120mg, sodium polyphosphate 40 ~ 120mg, water glass 10 ~ 80mg.
Preferably, in often liter of natural sea-water, the mass range of each component is: sodium wolframate 20 ~ 100mg, calglucon 20 ~ 120mg, zinc sulfate 60mg, sodium polyphosphate 40 ~ 120mg, water glass 10 ~ 80mg.
Preferably, in often liter of natural sea-water, the mass range of each component is: sodium wolframate 20 ~ 100mg, calglucon 20 ~ 120mg, zinc sulfate 40 ~ 120mg, sodium polyphosphate 100mg, water glass 10 ~ 80mg.
Preferably, in often liter of natural sea-water, the mass range of each component is: sodium wolframate 20 ~ 100mg, calglucon 20 ~ 120mg, zinc sulfate 40 ~ 120mg, sodium polyphosphate 40 ~ 120mg, water glass 20mg.
Preferably, in often liter of natural sea-water, the quality of each component is: sodium wolframate 80mg, calglucon 40mg, zinc sulfate 60mg, sodium polyphosphate 100mg, water glass 20mg.
In the preparation, by each component by the amount mix and blend of specifying 20 minutes.
Beneficial effect: hydrochlorate carbon steel composite corrosion inhibitor of the present invention, high, the with low cost and environmental friendliness of its inhibition efficiency, under normal temperature and high temperature, and all has good corrosion mitigating effect in the seawater of ordinary sea water and concentrated 2 times, 3 times.Composite corrosion inhibitor prepared by the present invention not only can form one deck deposition protective membrane at steel surface, stops the further corrosion of carbon steel, but also can play a part to fill space and correction of the defect to oxide film, suppresses the spot corrosion of metal.
Accompanying drawing explanation
Fig. 1 be natural sea-water polarization curve and with the addition of embodiment 26 inhibiter after polarization curve;
Fig. 2 be 2 times of concentrated seawaters polarization curve and with the addition of embodiment 27 inhibiter after polarization curve;
Fig. 3 be 3 times of concentrated seawaters polarization curve and with the addition of embodiment 28 inhibiter after polarization curve;
Fig. 4 is the polarization curve of natural sea-water, 2 times of concentrated seawaters, 3 times of concentrated seawaters.
Specific embodiment
The present invention will be described below to enumerate specific embodiment.It is pointed out that embodiment only for the present invention will be further described, do not represent protection scope of the present invention, the nonessential amendment that other people make according to the present invention and adjustment, still belong to protection scope of the present invention.
In embodiment hereafter and comparative example, the sodium wolframate used is preferably the sodium wolframate that Tianjin Shen Tai chemical reagent company limited produces; The calglucon used is preferably the calglucon that Tianjin recovery fine chemistry industry institute produces; The zinc sulfate used is preferably the zinc sulfate that Shenyang chemical reagent factory is produced; The sodium polyphosphate used is preferably the sodium polyphosphate that Shanghai Ai Bi chemical reagent company limited produces; The water glass used is preferably the water glass that Tianjin chemical reagent company limited of Jin Hui the Pacific-Asian produces; The seawater used is preferably the natural sea-water that Qingdao No.One Bathing Beach purifying treatment is crossed; The 2 times of seawater used and 3 times of seawater are normal seawater evaporation concentration gained.Except above-mentioned enumerating, those skilled in the art select according to routine, other also can be selected to have product that the said products enumerated to the present invention has similar performance, all can realize object of the present invention.
Embodiment 1 ~ 5
A kind of natural sea-water tungstate carbon steel composite corrosion inhibitor, composed of the following components: calglucon 20mg/L, zinc sulfate 40mg/L, sodium polyphosphate 40mg/L, water glass 20mg/L, sodium wolframate is respectively 20mg/L (embodiment 1), 40mg/L (embodiment 2), 60mg/L (embodiment 3), 80mg/L (embodiment 4), 100mg/L (embodiment 5).Said components mix and blend was dissolved in 1L seawater after 20 minutes, and carbon steel material is immersed in 25 DEG C, in the seawater that with the addition of composite corrosion inhibitor, soak 15 days.
After immersion terminates, according to the method described in National Standard of the People's Republic of China GB/T18175-2000, calculate inhibition efficiency, be specially: the change of sample weight experimentally, calculate its erosion rate by weight-loss method, judge the corrosion resistance nature of metallic substance with this.Erosion rate is calculated by formula hereafter:
V＝(W
0-W
1-W
2)/A·t
Wherein, V-sample corrosion speed (g/m
2d); A-Area of Sample (m
2); T-experimental period (d); W
0-sample original weight (g); W
1-test and the weight (g) of sample after removing corrosion product; W
2during-removing corrosion product, correction weightlessness (g) of same size same material check sample.
Inhibiter corrosion inhibition rate calculation formula:
IE＝(1-V/V
0)×100％
In formula, the corrosion inhibition rate (%) of IE-inhibiter; Erosion rate (the g/m of sample after V-add inhibiter
2d); V
0erosion rate (the g/m of sample in-blank seawater
2d).
The corrosion inhibition rate outcome record of embodiment 1 ~ 5 is in table 1.From result, in embodiment 1 ~ 5, when Sodium orthomolybdate addition is 80mg/L, corrosion mitigating effect is best, and inhibition efficiency reaches 68.3%.
Table 1
| Embodiment | 1 | 2 | 3 | 4 | 5 |
| Corrosion inhibition rate/% | 76.1 | 58.3 | 60.4 | 68.3 | 64.4 |
Embodiment 6 ~ 10
A kind of natural sea-water tungstate carbon steel composite corrosion inhibitor, composed of the following components: sodium wolframate 40mg/L, zinc sulfate 40mg/L, sodium polyphosphate 40mg/L, water glass 20mg/L, calglucon is respectively 20mg/L (embodiment 6), 40mg/L (embodiment 7), 60mg/L (embodiment 8), 80mg/L (embodiment 9), 100mg/L (embodiment 10), 120mg/L (embodiment 11).The measuring result of corrosion inhibition rate with embodiment 1 ~ 5, and is recorded in table 2 by all the other steps.From result, when calglucon addition is 40mg/L, corrosion mitigating effect is best, and inhibition efficiency reaches 68.4%.
Table 2
| Embodiment | 6 | 7 | 8 | 9 | 10 |
| Corrosion inhibition rate/% | 79.8 | 68.4 | 76.1 | 86.4 | 80.4 |
Embodiment 11 ~ 15
A kind of natural sea-water tungstate carbon steel composite corrosion inhibitor, composed of the following components: sodium wolframate 40mg/L, sodium polyphosphate 40mg/L, calglucon 20mg/L, water glass 20mg/L, zinc sulfate is respectively 40mg/L (embodiment 11), 60mg/L (embodiment 12), 80mg/L (embodiment 13), 100mg/L (embodiment 14), 120mg/L (embodiment 15).The measuring result of corrosion inhibition rate with embodiment 1 ~ 5, and is recorded in table 3 by all the other steps.From result, when zinc sulfate addition is 60mg/L, corrosion mitigating effect is best, and inhibition efficiency reaches 71.8%.
Table 3
| Embodiment | 11 | 12 | 13 | 14 | 15 |
| Corrosion inhibition rate/% | 64.3 | 71.8 | 65.2 | 57.9 | 61.5 |
Embodiment 16 ~ 20
A kind of natural sea-water tungstate carbon steel composite corrosion inhibitor, composed of the following components: sodium wolframate 40mg/L, zinc sulfate 40mg/L, calglucon 20mg/L, water glass 20mg/L, sodium polyphosphate is respectively 40mg/L (embodiment 16), 60mg/L (embodiment 17), 80mg/L (embodiment 18), 100mg/L (embodiment 19), 120mg/L (embodiment 20).The measuring result of corrosion inhibition rate with embodiment 1 ~ 5, and is recorded in table 4 by all the other steps.From result, when sodium polyphosphate addition is 100mg/L, corrosion mitigating effect is best, and inhibition efficiency reaches 40%.
Table 4
| Embodiment | 16 | 17 | 18 | 19 | 20 |
| Corrosion inhibition rate/% | 35.9 | 34.9 | 37.2 | 40.0 | 33.7 |
Embodiment 21 ~ 25
A kind of natural sea-water tungstate carbon steel composite corrosion inhibitor, composed of the following components: sodium wolframate 40mg/L, zinc sulfate 40mg/L, sodium polyphosphate 40mg/L, calglucon 20mg/L, water glass is respectively 10mg/L (embodiment 21), 20mg/L (embodiment 22), 40mg/L (embodiment 23), 60mg/L (embodiment 24), 80mg/L (embodiment 25).The measuring result of corrosion inhibition rate with embodiment 1 ~ 5, and is recorded in table 5 by all the other steps.From result, when water glass addition is 20mg/L, corrosion mitigating effect is best, and inhibition efficiency reaches 30.8%.
Table 5
| Embodiment | 21 | 22 | 23 | 24 | 25 |
| Corrosion inhibition rate/% | 29.6 | 30.8 | 29.1 | 25.6 | 23.3 |
Embodiment 26
A kind of molybdate carbon steel composite corrosion inhibitor, composed of the following components: sodium wolframate 80mg/L, calglucon 40mg/L, zinc sulfate 60mg/L, sodium polyphosphate 100mg/L, water glass 20mg/L.All the other steps are with embodiment 1 ~ 5.The inhibition efficiency recording this inhibiter is 90.8%.Polarization curve is as Fig. 1.
Embodiment 27 ~ 28
Be mixed to get composite corrosion inhibitor according to component specified in embodiment 26, under 25 DEG C of normal temperature conditions, soak 15 days in the seawater of concentrated 2 times (embodiments 27) and concentrated 3 times (embodiments 28).
The inhibition efficiency of composite corrosion inhibitor in 2 times of concentrated seawaters of embodiment 27 is 81.5%, and polarization curve is as Fig. 2; ; The inhibition efficiency of composite corrosion inhibitor in 3 times of concentrated seawaters of embodiment 28 is 67.3%, and polarization curve is as Fig. 3.
Embodiment 29
Be mixed to get composite corrosion inhibitor according to component specified in embodiment 26, and under 40 DEG C of water temperature conditions, soak 15 days in natural sea-water.
The inhibition efficiency of this composite corrosion inhibitor is 93.1%.
Embodiment 30
Test according to the component composition of composite corrosion inhibitor in embodiment 26, under 25 DEG C of normal temperature conditions, soak 30 days in natural sea-water.
The inhibition efficiency of this composite corrosion inhibitor is 97.7%.
Embodiment 31
For natural sea-water molybdate carbon steel composite corrosion inhibitor, by corresponding to often liter of natural sea-water weight, be made up of the component of following weight part: sodium wolframate 20mg, calglucon 20mg, zinc sulfate 40mg, sodium polyphosphate 40mg, all the other steps of water glass 10mg are with embodiment 1 ~ 5.The inhibition efficiency recording this composite corrosion inhibitor is 50.3%.
Embodiment 32
For natural sea-water molybdate carbon steel composite corrosion inhibitor, by corresponding to often liter of natural sea-water weight, be made up of the component of following weight part: sodium wolframate 100mg, calglucon 120mg, zinc sulfate 120mg, sodium polyphosphate 120mg, all the other steps of water glass 80mg are with embodiment 1 ~ 5.The inhibition efficiency recording this composite corrosion inhibitor is 63.1%.
Embodiment 33
For natural sea-water molybdate carbon steel composite corrosion inhibitor, by corresponding to often liter of natural sea-water weight, be made up of the component of following weight part: sodium wolframate 60mg, calglucon 70mg, zinc sulfate 80mg, sodium polyphosphate 80mg, water glass 45mg.All the other steps are with embodiment 1 ~ 5.The inhibition efficiency recording this composite corrosion inhibitor is 53.6%.
Embodiment result shows, compound corrosion inhibitor of the present invention is to plain carbon stool material at natural sea-water, and 2 times of concentrated seawaters, all have certain corrosion mitigating effect in 3 times of concentrated seawaters, and along with the increase of concentration of seawater, corrosion inhibition rate reduces; Along with seawater temperature raises, soak time extends, and corrosion mitigating effect is better, and corrosion inhibition rate is higher.From Fig. 1 ~ 4, the composite corrosion inhibitor prepared by the present invention not only can form one deck deposition protective membrane at steel surface, stops the further corrosion of carbon steel, but also can play a part to fill space and correction of the defect to oxide film, suppresses the spot corrosion of metal.
Claims (7)
1. a natural sea-water tungstate carbon steel composite corrosion inhibitor, is characterized in that: be made up of sodium wolframate, calglucon, zinc sulfate, sodium polyphosphate and water glass, and in often liter of natural sea-water, the mass range of each component is:
Sodium wolframate 20 ~ 100mg, calglucon 20 ~ 120mg, zinc sulfate 40 ~ 120mg, sodium polyphosphate 40 ~ 120mg, water glass 10 ~ 80mg.
2. natural sea-water tungstate carbon steel composite corrosion inhibitor according to claim 1, it is characterized in that: in often liter of natural sea-water, the mass range of each component is: sodium wolframate 80mg, calglucon 20 ~ 120mg, zinc sulfate 40 ~ 120mg, sodium polyphosphate 40 ~ 120mg, water glass 10 ~ 80mg.
3. natural sea-water tungstate carbon steel composite corrosion inhibitor according to claim 1, it is characterized in that: in often liter of natural sea-water, the mass range of each component is: sodium wolframate 20 ~ 100mg, calglucon 40mg, zinc sulfate 40 ~ 120mg, sodium polyphosphate 40 ~ 120mg, water glass 10 ~ 80mg.
4. natural sea-water tungstate carbon steel composite corrosion inhibitor according to claim 1, it is characterized in that: in often liter of natural sea-water, the mass range of each component is: sodium wolframate 20 ~ 100mg, calglucon 20 ~ 120mg, zinc sulfate 60mg, sodium polyphosphate 40 ~ 120mg, water glass 10 ~ 80mg.
5. natural sea-water tungstate carbon steel composite corrosion inhibitor according to claim 1, it is characterized in that: in often liter of natural sea-water, the mass range of each component is: sodium wolframate 20 ~ 100mg, calglucon 20 ~ 120mg, zinc sulfate 40 ~ 120mg, sodium polyphosphate 100mg, water glass 10 ~ 80mg.
6. natural sea-water tungstate carbon steel composite corrosion inhibitor according to claim 1, it is characterized in that: in often liter of natural sea-water, the mass range of each component is: sodium wolframate 20 ~ 100mg, calglucon 20 ~ 120mg, zinc sulfate 40 ~ 120mg, sodium polyphosphate 40 ~ 120mg, water glass 20mg.
7. natural sea-water tungstate carbon steel composite corrosion inhibitor according to claim 1, it is characterized in that: in often liter of natural sea-water, the quality of each component is: sodium wolframate 80mg, calglucon 40mg, zinc sulfate 60mg, sodium polyphosphate 100mg, water glass 20mg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510362157.3A CN105039997A (en) | 2015-06-25 | 2015-06-25 | Tungstate carbon steel compound corrosion inhibitor for natural seawater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510362157.3A CN105039997A (en) | 2015-06-25 | 2015-06-25 | Tungstate carbon steel compound corrosion inhibitor for natural seawater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105039997A true CN105039997A (en) | 2015-11-11 |
Family
ID=54446960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510362157.3A Pending CN105039997A (en) | 2015-06-25 | 2015-06-25 | Tungstate carbon steel compound corrosion inhibitor for natural seawater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105039997A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111472008A (en) * | 2020-06-02 | 2020-07-31 | 青岛科技大学 | Compound metal sustained-release agent suitable for all environments |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5238437A (en) * | 1975-09-23 | 1977-03-25 | Nitto Chemical Industry Co Ltd | Transparent anticorrosive structure for cooling system for internal combustion engine |
| US20040262580A1 (en) * | 2003-06-30 | 2004-12-30 | Xiaomei Yu | Non-carcinogenic corrosion inhibiting additive |
| CN1718863A (en) * | 2005-04-26 | 2006-01-11 | 中国海洋大学 | Film green corrosion inhibitor for inhibiting corrosion of carbon steel in sea water |
-
2015
- 2015-06-25 CN CN201510362157.3A patent/CN105039997A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5238437A (en) * | 1975-09-23 | 1977-03-25 | Nitto Chemical Industry Co Ltd | Transparent anticorrosive structure for cooling system for internal combustion engine |
| US20040262580A1 (en) * | 2003-06-30 | 2004-12-30 | Xiaomei Yu | Non-carcinogenic corrosion inhibiting additive |
| CN1718863A (en) * | 2005-04-26 | 2006-01-11 | 中国海洋大学 | Film green corrosion inhibitor for inhibiting corrosion of carbon steel in sea water |
Non-Patent Citations (2)
| Title |
|---|
| 柳鑫华等: "天然海水中钼酸盐复合缓蚀剂对A3钢的缓蚀效果", 《材料保护》, vol. 43, no. 12, 31 December 2010 (2010-12-31) * |
| 穆振军等: "天然海水中硫酸锌、葡萄糖酸钙和APG等复合碳钢缓蚀剂的研究", 《中国海洋大学学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111472008A (en) * | 2020-06-02 | 2020-07-31 | 青岛科技大学 | Compound metal sustained-release agent suitable for all environments |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106245071B (en) | Acid non-cyanide plating cadmium additive, plating solution prepares and electroplating technology | |
| CN103756649B (en) | A kind of anti-icing fluid for solar water heater and preparation method thereof | |
| CN103695927A (en) | Corrosion inhibitor | |
| CN102642934B (en) | A kind of circularly-cooling sea water non-phosphate environment-friendly type carbon steel composite corrosion inhibitor and preparation and application thereof | |
| CN105779988A (en) | Chromate-free passivation solution for electroplated zinc and passivation technology thereof | |
| CN105177591A (en) | Natural seawater molybdate carbon steel composite corrosion inhibitor | |
| CN102584077B (en) | Loading-type reinforcing steel bar corrosion inhibitor and preparation method thereof | |
| CN107265909B (en) | Composite sodium silicate/tris (hydroxymethyl) aminomethane reinforced concrete corrosion inhibitor and application thereof | |
| CN102633372B (en) | Phosphate-free copper alloy composite corrosion inhibitor for seawater circulating cooling water, and preparation and using methods of phosphate-free copper alloy composite corrosion inhibitor | |
| CN105177592A (en) | Seawater corrosion inhibitor applied to carbon steel and application method thereof | |
| CN104830299A (en) | Imidazoline-quaternary ammonium salt compound corrosion inhibitor and preparation method thereof | |
| CN105177593A (en) | Corrosion inhibitor capable of inhibiting carbon steel from corroding in salt water (sea) medium, preparation method and application thereof | |
| CN109748400B (en) | Phosphorus-free composite corrosion and scale inhibitor, application thereof and treatment method of circulating cooling water | |
| CN105506605A (en) | Weather-resistant steel rust layer stabilizing treatment fluid | |
| CN105036363A (en) | Composite corrosion inhibitor suitable for desalted water and preparation method | |
| CN104451634B (en) | Aluminum and aluminum alloy passivation solution, preparation method and using method thereof | |
| CN104140162B (en) | With the non-phosphorus scale and corrosion inhibitor and preparation method thereof of seawater as recirculated cooling water | |
| CN104528966B (en) | A kind of corrosion-proofing and antisludging method of aluminium heat-exchange device | |
| CN105039997A (en) | Tungstate carbon steel compound corrosion inhibitor for natural seawater | |
| CN103553219A (en) | Preparation method and application of corrosion and scale inhibitor for ethylene glycol sealed circulating water | |
| CN106756939A (en) | aluminum passivation liquid and preparation method thereof | |
| CN105063632A (en) | Corrosion inhibitor for inhibiting copper corrosion in saline water (seawater) and preparation method of corrosion inhibitor | |
| CN101618914A (en) | Application method of compound tungstate corrosion inhibitor of sea water | |
| CN103214107A (en) | Silicate and polyamidoamine composite and environment-friendly corrosion inhibitor applied to deionized water circulating cooling system | |
| CN110104803A (en) | A kind of environment-friendly composite corrosion and scale inhibitor, method of preparation and use |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151111 |
|
| RJ01 | Rejection of invention patent application after publication |