CN200958118Y - Antiseptic container of hydraulic electrolytic hydrogen-manufacturing system - Google Patents
Antiseptic container of hydraulic electrolytic hydrogen-manufacturing system Download PDFInfo
- Publication number
- CN200958118Y CN200958118Y CNU2006200768248U CN200620076824U CN200958118Y CN 200958118 Y CN200958118 Y CN 200958118Y CN U2006200768248 U CNU2006200768248 U CN U2006200768248U CN 200620076824 U CN200620076824 U CN 200620076824U CN 200958118 Y CN200958118 Y CN 200958118Y
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- China
- Prior art keywords
- container
- heat exchange
- nickel alloy
- water electrolysis
- hydrogen producing
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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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
Abstract
The utility model provides a corrosion preventing container for a water electrolysis hydrogen producing system. The material of the basal body of the separate container is 16MnR carbon steel; the material of the basal body of the heat exchange container is 20G or No.20 steel; a layer of nickel alloy with thickness of 40 to 60um is coated on the inner and outer surface of the container; also a layer of nickel alloy with thickness of 40 to 60um is coated on the inner and outer surface of the heat exchange tubes of the heat exchange container; the utility model gets the surface of the container coated with a layer of nickel alloy to enhance the surface nature; and replaces the stainless steel material for container with carbon steel. Therefore not only the leakage due to the stress corrosion can be eliminated, but also a nice decoration effect on the surface is provided. The utility model provides a technical safeguard for ensuring the water electrolysis hydrogen producing system to run safely and stably in low costs of investment and ideal practical application effect.
Description
Technical field
The utility model relates to container, relates in particular to the anticorrosion carbon steel container of a kind of water electrolysis hydrogen producing system.
Background technology
The water electrolysis hydrogen producing system is pressure-type at present, and its operating pressure 0.8～4.0MPa adopts 25～30% potassium hydroxide or aqueous sodium hydroxide solution as electrolytic solution, operates under 80～90 ℃ of conditions.System is made up of hydrogen generator (water electrolyzer), gas-liquid separation device etc., and separation vessel, heat exchange container equal pressure container are installed in the gas-liquid separation device, carries out the gas-liquid separation and the electrolytic solution cooling of hydrogen, oxygen.Container material more options 18-8 chromium nickel high quality steel, can satisfy the corrosion-resistant requirement under the conditions such as pressure, temperature and medium, but in actual motion, this class stainless steel vessel---the container that especially directly contacts with rich oxygen content alkali lye, often stress corrosion takes place and cause the phenomenon of seepage, the container life-span is the shortest has only 2 months.Therefore,,, have influence on the steady running of device, how effectively to solve the anticorrosion technical problem that has become common concern in the industry and primary study of container because of the container corrosion causes seepage to constitute serious threat for safety in production at the water electrolysis hydrogen producing production industry.
Stress-removal processing that it should be noted that stainless steel vessel is very difficult.Though can eliminate stress to simple component by thermal treatment means such as recrystallize, solid solutions, for the pressurized vessel of making moulding, complete heat treatment will make container produce gross distortion, can not come into operation.
Summary of the invention
The purpose of this utility model provides a kind of water electrolysis hydrogen producing system anticorrosion container, container material is used carbon steel instead and is substituted stainless steel, adopt workpiece surface modification to handle new technology, solve the corrosion and the leakage problems of container, for the steady running of water electrolysis hydrogen producing security of system provides technical guarantee.
The purpose of this utility model is achieved through the following technical solutions:
Water electrolysis hydrogen producing system anticorrosion container comprises container matrix and surfaces externally and internally, it is characterized in that: the material of described container matrix is a carbon steel, and the container surfaces externally and internally is coated with nickel alloy layer.
Further, above-mentioned water electrolysis hydrogen producing system anticorrosion container, the thickness of described nickel alloy layer are 40～60 μ m.
Further, above-mentioned water electrolysis hydrogen producing system anticorrosion container, described container is separation vessel or heat exchange container, and the material of separation vessel matrix is the 16MnR carbon steel, and the material of heat exchange container matrix is 20G or 20# steel.
Again further, above-mentioned water electrolysis hydrogen producing system anticorrosion container, described container is a heat exchange container, the surfaces externally and internally of internal tank heat transfer tube also is coated with the thick nickel alloy layer of 40～60 μ m.
The outstanding substantive distinguishing features and the obvious improvement of technical solutions of the utility model is mainly reflected in:
1. container material is used carbon steel instead and is substituted stainless steel, adopts workpiece surface modification to handle new technology, the stress corrosion of pressure container and leakage problems; Have excellent corrosion resisting performance, coating uses as anti-corrosion layer;
2. technical solutions of the utility model provide technical guarantee for the steady running of water electrolysis hydrogen producing security of system, its low equipment investment, and practical application effect is very good;
3. technical solutions of the utility model are equally applicable to substitute under the similar technology operational conditions, and other stainless steel construction equipments of stress corrosion, pitting attack and crevice corrosion take place easily.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Fig. 1: separating type container cross-sectional view of the present utility model;
Fig. 2: the local amplification profile synoptic diagram of Fig. 1 separating type container;
Fig. 3: heat exchange type container cross-sectional view of the present utility model;
Fig. 4: Fig. 3 heat exchange type container C-C cross-sectional schematic.
Wherein: 1-container outer surface nickelalloy tectum, 2-container matrix, 3-inner surface of container nickelalloy tectum, 4-medium channel, 5-cooling-water duct, 6-heat transfer tube.
Embodiment
The utility model water electrolysis hydrogen producing system anticorrosion container; container material is used carbon steel instead and is substituted stainless steel; adopt the plated nickel alloy to carry out surface modification; the effect of nickel layer is: the protection body material is not corroded in working conditions and working medium; not only can eliminate the seepage that the stress corrosion causes, also make its surface have good decoration effect.
Adopt carbon steel to substitute stainless steel, the body material of pressurized vessel adopts carbon steel 16MnR, 20G, 20# steel to substitute 0Cr18Ni10Ti (321), 00Cr17Ni14Mo2 (316L) stainless steel, carbon steel container is easy to carry out whole stress-removal and handles, container can be heated to the specified temperature furnace cooling, thereby effectively eliminate stress the corrosive condition.And the machining stress that stainless steel vessel produces in manufacturing processed, its stress-removal is handled need be heated to 1100 ± 50 ℃, and cooling rapidly in cold water will cause the gross distortion of stainless steel vessel.
Steel surface nickel plating belongs to cathodic electrodeposition coating, and the thickness of nickel layer will influence the resistance to corrosion and the work-ing life of container.Adopt the method for autocatalytic method chemical plating; the surfaces externally and internally of container is plated the high anti-corrosion nickelalloy of 40～60 μ m; its effect is: contain contacting of oxygen high temperature alkaline solution and container matrix material in the isolated high density of internal tank; elimination contains the oxygen high temperature alkaline solution to the corrosion that steel produce, and effectively protects container.Outside surface at container also carries out the mirror polish processing, forms good decoration effect and also avoids the surface that corrosion takes place.
Separating type container as shown in Figure 1 and Figure 2, inner surface of container is coated with the nickel alloy layer 3 of 40～60 μ m, and isolated high temperature alkaline solution of high density and contacting of container matrix 2 are eliminated the corrosion of high temperature alkaline solution to the steel generation, effectively protect container; Also be coated with the nickel alloy layer 1 of 40～60 μ m at the outside surface of container, and carry out mirror polish, form similar stainless decorative effect and avoid vessel surface generation corrosion.
Heat exchange type container as shown in Figure 3, Figure 4 feeds the high temperature alkaline solutions of high densitys in the medium channel 4, feed water coolants in the cooling-water duct 5, carries out heat exchange; Inner surface of container is coated with the nickel alloy layer 3 of 40～60 μ m, and isolated high temperature alkaline solution of high density and contacting of container matrix 2 are eliminated high temperature alkaline solution to the corrosion that steel produce, and effectively protect container; Also be coated with the nickel alloy layer 1 of 40～60 μ m at the outside surface of container, and carry out mirror polish and handle, form similar stainless decorative effect and avoid vessel surface generation corrosion; The surfaces externally and internally of heat transfer tube 6 also is coated with the nickel alloy layer of 40～60 μ m, effectively prevents the steel corrosion, keeps the heat exchange effect.
Above-mentioned divergence type, heat exchange type container are in the processing that eliminates stress respectively after the moulding and behind the plated nickel alloy.
Adopt the container of technical solutions of the utility model manufacturing to meet standard and rules such as GB-150 " Steel Pressure Vessels ", " safety-supervision regulation of pressure vessel " fully.For the steady running of water electrolysis hydrogen producing security of system provides technical guarantee, its low equipment investment, practical application effect is very good.
More than by specific embodiment technical solutions of the utility model have been done to further specify, the example that provides only is an exemplary applications, can not be interpreted as a kind of restriction to the utility model claim protection domain.
Claims (4)
1. water electrolysis hydrogen producing system anticorrosion container comprises container matrix and surfaces externally and internally, it is characterized in that: the material of described container matrix is a carbon steel, and the container surfaces externally and internally is coated with nickel alloy layer.
2. water electrolysis hydrogen producing according to claim 1 system anticorrosion container, it is characterized in that: the thickness of described nickel alloy layer is 40～60 μ m.
3. water electrolysis hydrogen producing according to claim 1 and 2 system anticorrosion container, it is characterized in that: described container is separation vessel or heat exchange container, and the material of separation vessel matrix is the 16MnR carbon steel, and the material of heat exchange container matrix is 20G or 20# steel.
4. water electrolysis hydrogen producing according to claim 3 system anticorrosion container, it is characterized in that: described container is a heat exchange container, the surfaces externally and internally of internal tank heat transfer tube also is coated with the thick nickel alloy layer of 40～60 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200768248U CN200958118Y (en) | 2006-08-17 | 2006-08-17 | Antiseptic container of hydraulic electrolytic hydrogen-manufacturing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200768248U CN200958118Y (en) | 2006-08-17 | 2006-08-17 | Antiseptic container of hydraulic electrolytic hydrogen-manufacturing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200958118Y true CN200958118Y (en) | 2007-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200768248U Expired - Fee Related CN200958118Y (en) | 2006-08-17 | 2006-08-17 | Antiseptic container of hydraulic electrolytic hydrogen-manufacturing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200958118Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101462195B (en) * | 2007-12-21 | 2010-11-10 | 哈尔滨建成北方专用车有限公司 | Method for welding 16MnDR low-temperature pressure container pot body closing end splicing welding line |
-
2006
- 2006-08-17 CN CNU2006200768248U patent/CN200958118Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101462195B (en) * | 2007-12-21 | 2010-11-10 | 哈尔滨建成北方专用车有限公司 | Method for welding 16MnDR low-temperature pressure container pot body closing end splicing welding line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071010 Termination date: 20130817 |