CN103557324B - A kind of separated type pressure-bearing anti-corrosive apparatus - Google Patents
A kind of separated type pressure-bearing anti-corrosive apparatus Download PDFInfo
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- CN103557324B CN103557324B CN201310538661.5A CN201310538661A CN103557324B CN 103557324 B CN103557324 B CN 103557324B CN 201310538661 A CN201310538661 A CN 201310538661A CN 103557324 B CN103557324 B CN 103557324B
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Abstract
The invention discloses a kind of separated type pressure-bearing anti-corrosive apparatus, it comprises the etch resistant material layer that inside has splendid attire corrosivity pressure medium region, and form the pressure-bearing material layer of separated region between etch resistant material layer, entering of corrosivity pressure medium, outlet, and pressure balancing system, wherein pressure balancing system comprises the first pressure-equalizing pipe and the second pressure-equalizing pipe that one end portion is not connected with separated region with splendid attire corrosivity pressure medium region, for the liquid-storage container that the first pressure-equalizing pipe is connected with the other end of the second pressure-equalizing pipe, and the liquid-feeding tube to be connected with the second pressure-equalizing pipe, first, pass into for the spacer medium by corrosivity pressure medium and pilot medium separate in second pressure-equalizing pipe and liquid-storage container.One aspect of the present invention solves a difficult problem with high costs, stops the generation of security incident on the other hand, and meanwhile, structure is simple, enforcement is convenient.
Description
Technical field
the present invention relates to a kind of pressure-bearing anti-corrosive apparatus, particularly a kind of separated type pressure-bearing anti-corrosive apparatus.
Background technique
along with the continuous progress of science and technology, the correlation engineering technique such as various complicated and diversified chemical process, environmental engineering technology, energy regenerating utilization obtains development at full speed.Development, the progress of these techniques certainly will propose more harsh requirement to the manufacturing equipment realizing these techniques, such as: require higher to the material property, financial cost, Safety performance etc. of equipment.Meanwhile, the bearing device used in the pressure bearing system of various manufacturing process, its material manufactured, should have higher strength grade.Especially under high artesian condition, in order to reach the object of bearing elevated pressures, the large usage quantity of bearing device material.In order to reduce equipment cost, improve Economy, then material therefor should have lower price under the prerequisite of higher-strength grade.But when the medium in bearing device has severe corrosive to the material that bearing device adopts, in order to avoid equipment corrosion, then this bearing device must adopt resistant material.But high rotproofness material price is expensive, and its intensity is on the low side on the contrary.
such as, the high pressure storage tank of certain splendid attire Korrosionsmedium, if do not consider corrosivity, then can adopt low-alloy carbon steel metallic material Q345R, its normal temperature strength index: allowable stress is 189MPa, price is 6000 yuan/ton.If consider corrosion, should adopt high-alloy metal material S31603, its normal temperature strength index: allowable stress is only 120MPa, price is but 40000 yuan/ton; Can find out, in this embodiment, under equality strength, nearly 10 times of the price difference of bi-material.
find out from above discussion, while meeting high pressure, corrosion-resistant technological requirement, how to reduce the cost of bearing device, the economic serviceability of raising equipment is the key studying bearing device at present, meanwhile, when Korrosionsmedium increases gradually in high pressure storage tank internal pressure, until when being greater than the tolerance range of high pressure storage tank, then cause the generation of security incident, its consequence is very serious.
Summary of the invention
technical problem to be solved by this invention overcomes the deficiencies in the prior art, and provide a kind of separated type pressure-bearing anti-corrosive apparatus, this device technical ability meets the requirement of high strength, can meet corrosion resistant requirement again, and Security is simultaneously high, structure is simple, cost is low.
for solving above technical problem, the present invention takes following technological scheme:
a kind of separated type pressure-bearing anti-corrosive apparatus, it comprises the etch resistant material layer that inside has splendid attire corrosivity pressure medium region, be arranged on etch resistant material layer periphery and and form the pressure-bearing material layer of separated region between etch resistant material layer, for passing into and discharge entering of corrosivity pressure medium in splendid attire corrosivity pressure medium region, outlet, and for balancing the pressure balancing system being positioned at splendid attire corrosivity pressure medium region and separated region interior media pressure, wherein pressure balancing system comprises the first pressure-equalizing pipe and the second pressure-equalizing pipe that one end portion is not connected with separated region with splendid attire corrosivity pressure medium region, for the liquid-storage container that the first pressure-equalizing pipe is connected with the other end of the second pressure-equalizing pipe, and the liquid-feeding tube to be connected with the second pressure-equalizing pipe, pilot medium flows in separated region from liquid-feeding tube and the second pressure-equalizing pipe, first pressure-equalizing pipe, pass into for the spacer medium by corrosivity pressure medium and pilot medium separate in second pressure-equalizing pipe and liquid-storage container.
preferably, between corrosivity pressure medium and spacer medium, immiscible between pilot medium and spacer medium, and the density of spacer medium is less than or equal to the density of corrosivity pressure medium and pilot medium.
more preferably, pilot medium is non-corrosive liquid.
specifically implement and preferred aspect according to one of the present invention, the area of liquid-storage container cross section is greater than the area of the first pressure-equalizing pipe and the second pressure-equalizing pipe cross section.Play the effect of buffering.
specifically implement and preferred aspect according to of the present invention another, inlet/outlet passes separated region from pressure-bearing material layer and is connected with splendid attire corrosivity pressure medium region.
preferably, be tightly connected between inlet/outlet and pressure-bearing material layer, etch resistant material layer, and inlet/outlet selects resistant material to make.
in addition, the present invention is also provided with valve on liquid-feeding tube.Etch resistant material layer adopts the material of good corrosion resistance to make, and pressure-bearing material layer adopts the high material of intensity to make.
due to the enforcement of above technological scheme, the present invention compared with prior art tool has the following advantages:
one aspect of the present invention adopts the higher and good pressure-bearing material layer of corrosion resistance of intensity and etch resistant material layer as the skin of the device of splendid attire Korrosionsmedium and internal layer respectively, solves a difficult problem with high costs; Be provided with pressure balancing system on the other hand, make the skin of the device being positioned at splendid attire Korrosionsmedium and the pressure medium balance of internal layer, stop the generation of security incident, there is very high Security; In addition, structure of the present invention is simple, enforcement is convenient.
Accompanying drawing explanation
below in conjunction with accompanying drawing and concrete mode of execution, the present invention will be further described in detail;
fig. 1 is the structure cross-sectional schematic according to pressure-bearing anti-corrosive apparatus of the present invention;
wherein: 1, etch resistant material layer; 10, splendid attire corrosivity pressure medium region; 2, pressure-bearing material layer; 20, separated region; 3, inlet/outlet; 4, pressure balancing system; 40, the first pressure-equalizing pipe; 41, the second pressure-equalizing pipe; 42, liquid-storage container; 43, liquid-feeding tube; 44, valve.
Embodiment
as shown in Figure 1, the separated type pressure-bearing anti-corrosive apparatus that this example provides, it comprises the etch resistant material layer 1 that inside has splendid attire corrosivity pressure medium region 10, be arranged on etch resistant material layer 1 periphery and and form the pressure-bearing material layer 2 of separated region 20 between etch resistant material layer 1, for passing into and discharge the inlet/outlet 3 of corrosivity pressure medium in splendid attire corrosivity pressure medium region 10, and for balancing the pressure balancing system 4 being positioned at splendid attire corrosivity pressure medium region 10 and separated region 20 interior media pressure.
further, etch resistant material layer 1 adopts the material of good corrosion resistance to make; The material that pressure-bearing material layer 2 adopts intensity high is made; Inlet/outlet 3 passes separated region 20 from pressure-bearing material layer 2 and is connected with splendid attire corrosivity pressure medium region 10, simultaneously, be tightly connected between inlet/outlet 3 and pressure-bearing material layer 2, etch resistant material layer 1, and inlet/outlet is also select resistant material to make.
above-mentioned pressure balancing system 4, mainly ensure to be positioned at splendid attire corrosivity pressure medium region 10 and separated region 20 interior media pressure equilibrium of forces, stop the generation of security incident, it comprises the first pressure-equalizing pipe 40 and the second pressure-equalizing pipe 41 that one end portion is not connected with separated region 20 with splendid attire corrosivity pressure medium region 10, for the liquid-storage container 42 that the first pressure-equalizing pipe 40 is connected with the other end of the second pressure-equalizing pipe 41, and the liquid-feeding tube 43 to be connected with the second pressure-equalizing pipe 41, pilot medium flows in separated region 10 from liquid-feeding tube 43 and the second pressure-equalizing pipe 41, first pressure-equalizing pipe 40, pass into for the spacer medium by corrosivity pressure medium and pilot medium separate in second pressure-equalizing pipe 41 and liquid-storage container 42.
in this example, between corrosivity pressure medium and spacer medium, immiscible between pilot medium and spacer medium, and the density of spacer medium is less than or equal to the density of corrosivity pressure medium and pilot medium.The pilot medium simultaneously adopted is non-corrosive liquid.
in addition, the area of above-mentioned liquid-storage container 42 cross section is greater than the area of the first pressure-equalizing pipe 40 and the second pressure-equalizing pipe 41 cross section.Effectively play the effect of compensator or trimmer pressure.Further, the caliber of the first pressure-equalizing pipe 40 and the second pressure-equalizing pipe 41 is equal, and the first pressure-equalizing pipe 40 is straight tube, and the second pressure-equalizing pipe 41 is bend pipe, and liquid-feeding tube 43 is positioned at the side of the vertical portion of bend pipe.
in sum, the present embodiment has the following advantages:
1), adopt the higher and good pressure-bearing material layer of corrosion resistance of intensity and etch resistant material layer as the skin of the device of splendid attire Korrosionsmedium and internal layer respectively, the corrosivity pressure medium being in internal layer is contacted with outer portion, thus solve a difficult problem with high costs, cost-saving;
2), have employed pressure balancing system, make the skin of the device being positioned at splendid attire Korrosionsmedium and the pressure medium balance of internal layer, stop the generation of security incident, in separated region, be full of flexible liquid pilot medium simultaneously, make the space residing for pilot medium have the effect absorbing etch resistant material layer and pressure-bearing material layer differential expansion, guarantee the Security of pressure-bearing anti-corrosive apparatus further;
3) what, adopt between spacer medium and corrosivity pressure medium, between spacer medium and pilot medium is immiscible, the density of spacer medium is all less than or equal to the density of corrosivity pressure medium and pilot medium simultaneously, make spacer medium by the separation of corrosivity pressure medium and pilot medium, insulating liquid also can not run off simultaneously.
above to invention has been detailed description, but the invention is not restricted to the embodiments described.The equivalence change that all Spirit Essences according to the present invention are done or modification, all should be encompassed in protection scope of the present invention.
Claims (5)
1. a separated type pressure-bearing anti-corrosive apparatus, it is characterized in that: described pressure-bearing anti-corrosive apparatus comprises the etch resistant material layer (1) that inside has splendid attire corrosivity pressure medium region (10), be arranged on described etch resistant material layer (1) periphery and and form the pressure-bearing material layer (2) of separated region (20) between described etch resistant material layer (1), for passing into and discharge entering of corrosivity pressure medium in described splendid attire corrosivity pressure medium region (10), outlet (3), and the pressure balancing system (4) of described splendid attire corrosivity pressure medium region (10) and described separated region (20) interior media pressure is positioned at for balance, described pressure balancing system (4) comprises the first pressure-equalizing pipe (40) and the second pressure-equalizing pipe (41) that one end portion is not connected with described separated region (20) with described splendid attire corrosivity pressure medium region (10), for the liquid-storage container (42) that described first pressure-equalizing pipe (40) is connected with described second pressure-equalizing pipe (41) the other end, and the liquid-feeding tube (43) to be connected with described second pressure-equalizing pipe (41), pilot medium flows in described separated region (20) from described liquid-feeding tube (43) and described second pressure-equalizing pipe (41), described the first pressure-equalizing pipe (40), pass into for the spacer medium by described corrosivity pressure medium and described pilot medium separate in second pressure-equalizing pipe (41) and described liquid-storage container (42), the area of described liquid-storage container (42) cross section is greater than described the first pressure-equalizing pipe (40) and the area of described second pressure-equalizing pipe (41) cross section, described liquid-feeding tube (43) is also provided with valve (44).
2. separated type pressure-bearing anti-corrosive apparatus according to claim 1, it is characterized in that: between described corrosivity pressure medium and described spacer medium, immiscible between described pilot medium and described spacer medium, and the density of described spacer medium is less than or equal to the density of described corrosivity pressure medium and described pilot medium.
3. separated type pressure-bearing anti-corrosive apparatus according to claim 1 and 2, is characterized in that: described pilot medium is non-corrosive liquid.
4. separated type pressure-bearing anti-corrosive apparatus according to claim 1, is characterized in that: described inlet/outlet (3) is connected with described splendid attire corrosivity pressure medium region (10) through described separated region (20) from described pressure-bearing material layer (2).
5. the separated type pressure-bearing anti-corrosive apparatus according to claim 1 or 4, it is characterized in that: described inlet/outlet (3) and described pressure-bearing material layer (2), etch resistant material layer are tightly connected between (1), and described inlet/outlet (3) selects resistant material to make.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310538661.5A CN103557324B (en) | 2013-11-04 | 2013-11-04 | A kind of separated type pressure-bearing anti-corrosive apparatus |
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| CN201310538661.5A CN103557324B (en) | 2013-11-04 | 2013-11-04 | A kind of separated type pressure-bearing anti-corrosive apparatus |
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| CN103557324A CN103557324A (en) | 2014-02-05 |
| CN103557324B true CN103557324B (en) | 2015-08-19 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110834831A (en) * | 2019-11-14 | 2020-02-25 | 信尔胜机械（江苏）有限公司 | Metal pressure vessel tank body with high stability |
| CN112032301B (en) * | 2020-09-07 | 2021-12-24 | 常州瑞择微电子科技有限公司 | Pressure tank |
Citations (5)
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|---|---|---|---|---|
| US3282459A (en) * | 1964-10-02 | 1966-11-01 | Allis Chalmers Mfg Co | Pressure vessel having concentric casings |
| CN2140466Y (en) * | 1992-03-15 | 1993-08-18 | 周立超 | Pressure durable and corrosion resistant lead-out |
| CN2260947Y (en) * | 1996-06-03 | 1997-08-27 | 叶澄国 | Double-air-chamber pressure-balancing type air storage device |
| CN103221733A (en) * | 2010-10-22 | 2013-07-24 | 大宇造船海洋株式会社 | Storage container for liquefied natural gas |
| CN203686119U (en) * | 2013-11-04 | 2014-07-02 | 张家港市艾克沃环境能源技术有限公司 | Separated pressure-bearing anti-corrosion device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55119260A (en) * | 1979-03-07 | 1980-09-12 | Hitachi Zosen Corp | Preventing method of stress corrosion cracking for pressure vessel |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3282459A (en) * | 1964-10-02 | 1966-11-01 | Allis Chalmers Mfg Co | Pressure vessel having concentric casings |
| CN2140466Y (en) * | 1992-03-15 | 1993-08-18 | 周立超 | Pressure durable and corrosion resistant lead-out |
| CN2260947Y (en) * | 1996-06-03 | 1997-08-27 | 叶澄国 | Double-air-chamber pressure-balancing type air storage device |
| CN103221733A (en) * | 2010-10-22 | 2013-07-24 | 大宇造船海洋株式会社 | Storage container for liquefied natural gas |
| CN203686119U (en) * | 2013-11-04 | 2014-07-02 | 张家港市艾克沃环境能源技术有限公司 | Separated pressure-bearing anti-corrosion device |
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