CN1142105C - High purity water antifoulant and its special container - Google Patents
High purity water antifoulant and its special container Download PDFInfo
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- CN1142105C CN1142105C CNB011383038A CN01138303A CN1142105C CN 1142105 C CN1142105 C CN 1142105C CN B011383038 A CNB011383038 A CN B011383038A CN 01138303 A CN01138303 A CN 01138303A CN 1142105 C CN1142105 C CN 1142105C
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- high purity
- purity water
- indicator
- antifoulant
- oxygen scavenger
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Abstract
The present invention discloses high purity water antifoulant and a special container thereof. The antifoulant is composed of oxygen scavenger, CO2 absorbent, a killing agent and a failure indicating agent. The mass percentage of the oxygen scavenger is smaller than 80%, the mass percentage of the CO2 absorbent is smaller than 60%, the mass percentage of the killing agent is smaller than 40%, the mass percentage of the failure indicating agent is smaller than 1%, and the pore diameter of a microporous filtering film is smaller than and equal to 0.25mm. The special container of the antifoulant of the present invention is the container which has two single-pass automatic tuning-on and turning-off valve structures. The special container is connected with an air breathing mouth of a high purity water container when in use so that O2, CO2, microorganisms and other microparticles in the air are removed. The antifoulant can be widely used for power, electron, chemical plant and pharmacy industry and scientific research laboratories with high quality requirements for high purity water. The antifoulant prevents work piece materials or equipment from being corroded by dissolved oxygen content increasing and pH value reduction of the high purity water, and prevents water quality from being deteriorated by electric conductivity increasing and microparticle contamination.
Description
Technical field:
The present invention relates to the antifouling device of a kind of high purity water antifoulant and high purity water, belong to water-treatment technology field.
Background technology:
At industry and chemical laboratories such as electric power, electronics, chemical industry, medicine, high purity water prevents that the air-polluting method from generally being to adopt the method for sealing.High purity water in the autonomous container, air can enter by nature when taking; High purity water storage vessel in the industrial production flow process all has a pneumostome that communicates with atmosphere usually, and air can free in and out.Dissolved oxygen increase, pH reduction, specific conductivity rising, particle contamination and microbial contamination, water quality deterioration take place owing to it contacts with air in high purity water.High dissolved oxygen and low pH value in the water are other the major causes of material corrosion of metal vessel, tube wall; Specific conductivity rises, and safe operation is very deleterious for water-cooled generator; Particle contamination and microbial contamination seriously influence for the quality of electronics, pharmaceutical prod.The method that the high-purity waters of power station case adopts the vinyon ball float to cover can not obtain and prevent the air-polluting effect.The method of the high-purity nitrogen sealing of electric generator inner cooling water tank also is difficult for being accepted and adopting.Chemical laboratory and Biochemical Lab's vinyon barreled high purity water are subjected to the pollution of air especially easily.
Summary of the invention:
The objective of the invention is to, overcoming the prior art shortcoming provides a kind of high purity water that prevents to be subjected to airborne oxygen, CO
2With stain control agent organic and inorganic or the microorganism particle contamination.
Another purpose of the present invention provides the antifouling device of high purity water of dress high purity water antifoulant.
The high purity water antifoulant of indication of the present invention, it is by oxygen scavenger, CO
2Absorption agent, biocide, inefficacy indicator are formed, wherein: oxygen scavenger, CO
2Absorption agent and biocide can arbitrary proportion combination, be principal mode to adapt to deoxygenation, remove CO
2Be principal mode and the application of killing livestock to different anti-soil clean purposes such as principal modes, its each component mass percent is: oxygen scavenger 37-80%, CO
2Absorption agent 15-60%, biocide 2.8-40%; Oxygen scavenger and CO
2Can be after absorption agent lost efficacy by the indication of inefficacy indicator, inefficacy indicator 0.2-1%; Described inefficacy indicator is oxidation-reduction indicator or acid base indicator.
A kind of antifouling device of high purity water that is suitable for adorning high purity water antifoulant of the present invention, it comprises: 1), in the antifouling device of high purity water inside breathing door and the air suction valve that two single-passes open and close automatically is set, outlet valve is used for high-purity water-soluble device air of directly breathing out; 2) air suction valve is used for high purity water container suction air, and it is communicated with Purge gas surge chamber and antifouling medicament layer, and this stain control agent medicament layer can make O in the inhaled air
2, CO
2Be removed with the particulate of organic and inorganic or microbiology class; 3) also have a wind box, it is communicated with antifouling medicament layer; 4) the air ports place of described medicament layer is provided with millipore filtration, and the aperture of filter membrane is less than 0.25mm.
Advantage of the present invention is: be widely used in the very high electric power of high purity water specification of quality, electronics, chemical industry, pharmaceutical industries and scientific experiment chamber, prevent to prevent water quality deterioration because of specific conductivity rises and particle contamination causes because of the high purity water dissolved oxygen content raises and the reduction of pH value causes workpiece material or equipment corrosion.Technique effect is: air contacts with stain control agent by behind the filtering with microporous membrane, by filtering with microporous membrane, passes through the stain control agent medicament layer again, airborne O
2, CO
2Promptly be removed with particulate organic, inorganic or microbiology class.
Description of drawings:
Fig. 1 is the antifouling device structural representation of high purity water that is suitable for adorning high purity water antifoulant.
Embodiment:
Among the figure, 1, breathe interface, 2, air suction valve, 3, outlet valve, 4, the air outlet, 5, the Purge gas surge chamber, 6, millipore filtration, 7, the stain control agent medicament layer, 8, vision slit, 9, gas inlet, 10, air filter screen, 11, wind box.
A kind of embodiment that is suitable for adorning the antifouling device of high purity water of high purity water antifoulant of the present invention: it is in the antifouling device of high purity water inside breathing door 3 and the air suction valve 2 that two single-passes open and close automatically to be set, outlet valve 3 is used for high-purity water-soluble device air of directly breathing out, air suction valve 2 is used for the high purity water container and sucks air, it is communicated with Purge gas surge chamber 5 and antifouling medicament layer 7, and this stain control agent medicament layer 7 can make O in the inhaled air
2, CO
2Be removed with the particulate of organic and inorganic or microbiology class; Also have a wind box 11, it is communicated with antifouling medicament layer 7; The air ports place of described medicament layer 7 is provided with millipore filtration 6, and the filter membrane aperture is less than 0.25mm.When the antifouling device of high purity water is applied to industrial large-scale high purity water container with upflow tube---during sweet-water tank, need to be transformed, the straight tube of upflow tube water outlet is adapted as the water seal of S type the upflow tube structure; Small-sized emptying pipe, upper end water outlet level that S type water seal lower end lowest part is provided with a band valve are down, and be or vertical or be inclined upwardly and have self-closing valve, is connected with the upflow tube straight tube by flange or weldering knot mode.Under other situations, the antifouling device of high purity water is connected with the high purity water container by pneumostome.
High purity water antifoulant embodiment of the present invention has:
1, its component mass percent is: oxygen scavenger 80%, CO
2Absorption agent 15%, biocide 4%, inefficacy indicator 1%.
2, its component mass percent is: oxygen scavenger 37%, CO
2Absorption agent 60%, biocide 2.8%, inefficacy indicator 0.2%.
3, its component mass percent is: oxygen scavenger 40%, CO
2Absorption agent 19.5%, biocide 40%, inefficacy indicator 0.5%.
Oxygen scavenger in the embodiment of the invention is: V-Brite B, or alkaline burnt bud phenol.CO
2Absorption agent is: sodica calx, or alkali asbestos.Biocide is: Surchlor GR 60, or isothiazolinone derivatives.The inefficacy indicator is: oxidation-reduction indicator or acid base indicator.Millipore filtration is: the alkali proof fiber film.
In the embodiment of the invention several chemical agent combination commonly used are become high purity water antifoulant, wherein, oxygen scavenger is used to absorb airborne oxygen, CO
2Absorption agent is used to absorb carbon dioxide in air gas, millipore filtration is used for the filtering airborne particulates, comprise organic, inorganic and particulate microorganism property, biocide then is to be used to kill airborne microorganism breed on filter membrane with the inhibition microorganism, and the inefficacy indicator is used to indicate oxygen scavenger and CO
2The inefficacy of absorption agent.High purity water antifoulant can be widely used in reaching scientific experiment chamber high purity water container on the high purity water equipment in the Production Flow Chart of the very high electric power of pure water specification of quality, electronics, chemical industry, pharmaceutical industries, as fuel-burning power plant sweet-water tank and electric generator inner cooling water tank, prevent to prevent water quality deterioration because of specific conductivity rises and particle contamination causes because of the high purity water dissolved oxygen content raises and the reduction of pH value causes workpiece material or equipment corrosion.Have significant use technology effect and economic benefit.
| Index | Condition | 9L | 7L | 5L | 3L | 1L | Variable quantity |
| The pH value | Logical atmosphere | 6.6 | 6.3 | 6.0 | 5.8 | 5.7 | -0.9 |
| Stain control agent | 6.6 | 6.5 | 6.4 | 6.3 | 6.3 | -0.3 | |
| Specific conductivity μ S/cm | Logical atmosphere | 0.22 | 0.41 | 0.58 | 0.85 | 1.13 | 0.91 |
| Stain control agent | 0.23 | 0.29 | 0.37 | 0.32 | 0.35 | 0.22 |
Example 2---fine copper test piece dynamic corrosion test: the burnt bud phenol 60g of oxygen scavenger alkalescence, CO
2Absorption agent alkali asbestos 40g, biocide Surchlor GR 60 2g, inefficacy indicator 0.2g is filled in the glass ion exchange test post that has quartz sand thickness, constitutes the antifouling device of high purity water.With three mouthfuls of Erlenmeyer flasks of two 3000mL as the dynamic corrosion test of fine copper in high purity water.The logical atmosphere of bottle pneumostome, another bottle pneumostome connects stain control agent.Analyze from the circulating-pump outlet water sampling, test-results is as follows:
| Condition | Time | The pH value | Specific conductivity (μ S/cm) | Dissolved oxygen (ppm) | Cu ion (ppb) |
| Pneumostome leads to atmosphere | Beginning | 6.7 | 0.45 | 0.05 | 0 |
| 3 days | 5.7 | 2.39 | 5.67 | 385 | |
| 5 days | 5.8 | 3.65 | 7.82 | 523 | |
| 7 days | 5.7 | 4.06 | 7.94 | 638 | |
| Pneumostome connects antifouling device | Beginning | 6.7 | 0.44 | 0.05 | 0 |
| 3 days | 6.3 | 0.89 | 0.29 | 83 | |
| 5 days | 6.2 | 1.04 | 0.32 | 102 | |
| 7 days | 6.1 | 1.29 | 0.56 | 136 |
Claims (6)
1, a kind of high purity water antifoulant is characterized in that, it is by oxygen scavenger, CO
2Absorption agent, biocide, inefficacy indicator are formed, and each component and mass percent are: oxygen scavenger 37-80%, CO
2Absorption agent 15-60%, biocide 2.8-40%, inefficacy indicator 0.2-1%; Described inefficacy indicator is oxidation-reduction indicator or acid base indicator.
2, by the described stain control agent of claim 1, it is characterized in that the each component mass percent is: oxygen scavenger 80%, CO
2Absorption agent 15%, biocide 4%, inefficacy indicator 1%.
3, by the described stain control agent of claim 1, it is characterized in that the each component mass percent is: oxygen scavenger 37%, CO
2Absorption agent 60%, biocide 2.8%, inefficacy indicator 0.2%.
4, by the described stain control agent of claim 1, it is characterized in that the each component mass percent is: oxygen scavenger 40%, CO
2Absorption agent 19.5%, biocide 40%, inefficacy indicator 0.5%.
5, by the described stain control agent of above-mentioned any one claim, it is characterized in that described oxygen scavenger is V-Brite B or alkaline burnt bud phenol, CO
2Absorption agent is sodica calx or alkali asbestos, and biocide is Surchlor GR 60 or isothiazolinone derivatives, and the inefficacy indicator is oxidation-reduction indicator or acid base indicator.
6, a kind of antifouling device of high purity water that is suitable for adorning the described high purity water antifoulant of claim 1, it is characterized in that, 1), outlet valve (3) and the air suction valve (2) that two single-passes open and close automatically be set in the antifouling device of high purity water inside it comprises:, outlet valve (3) is used for the high purity water container air of directly breathing out, 2), air suction valve (2) is used for high purity water container suction air, it is communicated with Purge gas surge chamber (5) and antifouling medicament layer (7), and this stain control agent medicament layer can make the O in the inhaled air
2, CO
2Be removed with the particulate of organic and inorganic or microbiology class; 3), also have a wind box (11), it is communicated with antifouling medicament layer (7); 4), the air ports place of described medicament layer (7) is provided with millipore filtration (6), the filter membrane aperture is less than 0.25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011383038A CN1142105C (en) | 2001-12-17 | 2001-12-17 | High purity water antifoulant and its special container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011383038A CN1142105C (en) | 2001-12-17 | 2001-12-17 | High purity water antifoulant and its special container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1351965A CN1351965A (en) | 2002-06-05 |
| CN1142105C true CN1142105C (en) | 2004-03-17 |
Family
ID=4674509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011383038A Expired - Fee Related CN1142105C (en) | 2001-12-17 | 2001-12-17 | High purity water antifoulant and its special container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1142105C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101748770B (en) * | 2009-12-18 | 2012-09-05 | 深圳市超纯环保股份有限公司 | Liquid level detection type nitrogen-sealed water tank |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100475520C (en) * | 2002-12-06 | 2009-04-08 | 克里奥瓦克公司 | Oxygen detection system of hard container |
| WO2011156258A1 (en) * | 2010-06-07 | 2011-12-15 | 3M Innovative Properties Company | Filtration methods and devices |
| CN102919235A (en) * | 2012-11-14 | 2013-02-13 | 安徽大地熊新材料股份有限公司 | Composite disinfecting algaecide for circulating water |
| CN106680133A (en) * | 2017-01-16 | 2017-05-17 | 中国建材检验认证集团股份有限公司 | Carbon dioxide absorbent and determination method of carbon dioxide content |
-
2001
- 2001-12-17 CN CNB011383038A patent/CN1142105C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101748770B (en) * | 2009-12-18 | 2012-09-05 | 深圳市超纯环保股份有限公司 | Liquid level detection type nitrogen-sealed water tank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1351965A (en) | 2002-06-05 |
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