CN106247048B - A kind of efficient sealed flange - Google Patents
A kind of efficient sealed flange Download PDFInfo
- Publication number
- CN106247048B CN106247048B CN201610606805.XA CN201610606805A CN106247048B CN 106247048 B CN106247048 B CN 106247048B CN 201610606805 A CN201610606805 A CN 201610606805A CN 106247048 B CN106247048 B CN 106247048B
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- China
- Prior art keywords
- flange
- wax
- sand
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- temperature
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- 239000004589 rubber sealant Substances 0.000 claims abstract description 26
- 239000004576 sand Substances 0.000 claims description 67
- 229910045601 alloy Inorganic materials 0.000 claims description 55
- 239000000956 alloy Substances 0.000 claims description 55
- 238000005266 casting Methods 0.000 claims description 52
- 238000001816 cooling Methods 0.000 claims description 50
- 239000002002 slurry Substances 0.000 claims description 35
- 238000007667 floating Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000003723 Smelting Methods 0.000 claims description 22
- 238000003618 dip coating Methods 0.000 claims description 21
- 239000002313 adhesive film Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 238000001291 vacuum drying Methods 0.000 claims description 19
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 16
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 16
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 16
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 16
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 14
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 239000002994 raw material Substances 0.000 claims description 13
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 12
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 12
- 239000011230 binding agent Substances 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 12
- 239000005751 Copper oxide Substances 0.000 claims description 10
- 229910000431 copper oxide Inorganic materials 0.000 claims description 10
- 239000004615 ingredient Substances 0.000 claims description 10
- 239000002893 slag Substances 0.000 claims description 10
- 239000006255 coating slurry Substances 0.000 claims description 9
- 229910052684 Cerium Inorganic materials 0.000 claims description 8
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 8
- 229910052693 Europium Inorganic materials 0.000 claims description 8
- 229910052765 Lutetium Inorganic materials 0.000 claims description 8
- 229910052779 Neodymium Inorganic materials 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 claims description 8
- 229910052797 bismuth Inorganic materials 0.000 claims description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 8
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 8
- 239000000920 calcium hydroxide Substances 0.000 claims description 8
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 8
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000292 calcium oxide Substances 0.000 claims description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 8
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 8
- 229910052733 gallium Inorganic materials 0.000 claims description 8
- 229910052737 gold Inorganic materials 0.000 claims description 8
- 229910052735 hafnium Inorganic materials 0.000 claims description 8
- 235000014413 iron hydroxide Nutrition 0.000 claims description 8
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- 239000011572 manganese Substances 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 229910052762 osmium Inorganic materials 0.000 claims description 8
- 229910052763 palladium Inorganic materials 0.000 claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 229910052697 platinum Inorganic materials 0.000 claims description 8
- VKJKEPKFPUWCAS-UHFFFAOYSA-M potassium chlorate Chemical compound [K+].[O-]Cl(=O)=O VKJKEPKFPUWCAS-UHFFFAOYSA-M 0.000 claims description 8
- 235000010333 potassium nitrate Nutrition 0.000 claims description 8
- 239000004323 potassium nitrate Substances 0.000 claims description 8
- 229910052702 rhenium Inorganic materials 0.000 claims description 8
- 229910052709 silver Inorganic materials 0.000 claims description 8
- 229910052717 sulfur Inorganic materials 0.000 claims description 8
- 229910052715 tantalum Inorganic materials 0.000 claims description 8
- 229910052718 tin Inorganic materials 0.000 claims description 8
- 229910052721 tungsten Inorganic materials 0.000 claims description 8
- 229910052720 vanadium Inorganic materials 0.000 claims description 8
- 229910052727 yttrium Inorganic materials 0.000 claims description 8
- 229910052725 zinc Inorganic materials 0.000 claims description 8
- 229910052726 zirconium Inorganic materials 0.000 claims description 8
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 7
- 239000001110 calcium chloride Substances 0.000 claims description 7
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 7
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 7
- 244000035744 Hura crepitans Species 0.000 claims description 6
- 229910001863 barium hydroxide Inorganic materials 0.000 claims description 6
- AEJIMXVJZFYIHN-UHFFFAOYSA-N copper;dihydrate Chemical compound O.O.[Cu] AEJIMXVJZFYIHN-UHFFFAOYSA-N 0.000 claims description 6
- 239000000395 magnesium oxide Substances 0.000 claims description 6
- 239000011780 sodium chloride Substances 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 6
- 229910052845 zircon Inorganic materials 0.000 claims description 6
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- 239000012459 cleaning agent Substances 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000010451 perlite Substances 0.000 claims description 3
- 235000019362 perlite Nutrition 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000008961 swelling Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- -1 hydrogen Copper oxide Chemical class 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 6
- 238000005660 chlorination reaction Methods 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/007—Ferrous alloys, e.g. steel alloys containing silver
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mold Materials And Core Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of efficient sealed flanges, including first flange, second flange, circular filter screen, fastening bolt and nut, the corresponding position of first flange, second flange and circular filter screen offers arcuate socket respectively, and the arcuate socket that fastening bolt sequentially passes through first flange, circular filter screen and second flange is connect with nut thread；Second flange is provided with annular link block close to first flange side, is formed with external screw thread on the outside of annular link block, first flange offers link slot, and link slot inner wall is formed with internal thread；First flange and second flange opposite side surface have been covered each by the first rubber sealant and the second rubber sealant, and fastening bolt and nut have been covered each by third rubber sealant and the 4th rubber sealant with first flange and second flange contact side；Circular filter screen outer ledge is covered with rubber seal ring；The present invention ensure that the efficient stable of the sealing performance of flange by the cooperation of four layers of rubber sealant, prevent from revealing in connecting portion in flange.
Description
Technical field
The present invention relates to a kind of efficient sealed flanges, belong to technical field of pipeline connection.
Background technology
Flange is called ring flange or flange, and the part for making pipe be connected with each other with pipe is connected to pipe end.There is hole on flange
Eye, can wear bolt, typically refer to open the hole of upper several fixations for connecting it on the periphery of the metallic object of a similar plate-like
Its thing.Existing flanged joint is exactly that two pipelines, pipe fitting or equipment are first individually fixed on a ring flange, two
Between a ring flange, in addition flange gasket, is tightened together with bolt, connection is completed.Flanged joint is the important company of pipeline construction
Mode is connect, flanged joint is easy to use, can bear larger pressure, and in industrial pipeline, the use of flanged joint is very wide
It is general, but during common flange installation or removal, the installation or removal of bolt needs one by one are needed, it is relatively time-consuming to take
Power.The substance after circulation is also needed to filter after two pipeline connections in actual life, this just needs again separately installed one
Filter screen wastes a lot of manpower and material resources, and has dragged slowly construction speed.And the fastening bolt connection multi-purpose greatly of current flange,
When fastening bolt disabling damage, flanged joint can also fail.
Invention content
The technical problem to be solved by the present invention is in view of the shortcomings of the prior art, propose a kind of efficient sealed flange.
The technical solution that the present invention proposes to solve above-mentioned technical problem is：A kind of efficient sealed flange, including the first method
Orchid, second flange, circular filter screen, fastening bolt and nut, the corresponding position difference of first flange, second flange and circular filter screen
At least two arcuate sockets are offered, fastening bolt sequentially passes through the arcuate socket and spiral shell of first flange, circular filter screen and second flange
Box thread connects；Second flange is provided with annular link block close to first flange side, and external screw thread is formed on the outside of annular link block,
First flange offers the link slot to match with annular link block, and link slot inner wall is formed with the external screw thread phase with annular link block
Matched internal thread；First flange and second flange opposite side surface have been covered each by the first rubber sealant and the second rubber
Sealant, fastening bolt and nut and first flange and second flange contact side have been covered each by third rubber sealant and the
Four rubber sealants；Circular filter screen outer ledge is covered with rubber seal ring；
The mass percent of each ingredient is in first flange and second flange：C：0.02-0.05%, Al: 1.06-1.13%,
Zn: 0.23-0.34%,Si：0.13-0.21%, Mn：0.67-0.78%, S：≤ 0.030%, P：≤ 0.030%, Cr：0.02-
0.04%, Ni：0.33-0.39%, Cu：0.05-0.11%, V：0.12-0.14%, Mo：0.11-0.13%, Ti：0.47-0.59%, B：
0.01-0.02%, Pd：0.02-0.04%,Pt：0.16-0.19%, W：0.23-0.26%,Ta：0.01-0.02%,Nd：0.05-
0.11%,Ce：0.01-0.02%,Eu：0.12-0.13%,Lu:0.11-0.13%, Au：0.12-0.14%, Ag:0.35-0.44%,
Ga：0.01-0.02%, Y：0.22-0.25%, Sn：0.34-0.47%, Zr：0.06-0.17%, Re：0.02-0.05%, Os：0.01-
0.02%, Hf：0.05-0.13%, Bi：0.11-0.14%, calcium oxide：0.22-0.33%, talcum powder:0.13-0.16%, oxidation
Magnesium：0.19-0.25%, copper oxide：0.35-0.48%, iron oxide：0.24-0.31%, manganese dioxide：0.26-0.34%, hydrogen
Copper oxide：0.14-0.18%, iron hydroxide：0.05-0.09%, calcium hydroxide：0.06-0.08%, barium hydroxide：0.04-
0.07%, sodium chloride：0.01-0.02%, calcium carbonate：0.06-0.11%, potassium nitrate：0.21-0.26%, magnesium chloride：0.13-
0.18%, calcium chloride：0.13-0.22%, potassium chlorate：0.26-0.32%, barium sulfate：0.23-0.37%, copper sulphate：0.24-
0.31%, surplus Fe；
The casting technique of first flange and second flange includes the following steps：
(i) melting raw material：
A, it is added raw materials into smelting furnace by the mass percent of each ingredient in scheduled flange, the temperature in smelting furnace is improved
To 1450 degrees Celsius to 1480 degrees Celsius, raw material is smelted to form alloy solution；
B, alloy solution obtained in the previous step is cooled down, water cooling and air-cooled combination when cooling, first use water cooling with
Alloy solution water cooling to 430-450 DEG C of formation alloy, is then air-cooled to 320-340 DEG C, then adopt by the cooling rate of 20-22 DEG C/s
With water cooling with the cooling rate of 11-12 DEG C/s by alloy water cooling to room temperature；
C, it heats, previous step alloy after cooling is added in smelting furnace and carries out secondary smelting, the temperature in smelting furnace is improved
To 1570 degrees Celsius to 1610 degrees Celsius, alloy forms alloy solution by secondary smelting；
D, packet is scalded, the alloy solution in smelting furnace is poured into casting ladle, carries out scalding packet；
E, after scalding packet, the alloy solution in casting ladle is poured into electric furnace, the temperature in electric furnace, which is warming up to 1590, to be taken the photograph
Family name's degree heats 14 minutes to 18 minutes to 1610 degrees Celsius, the alloy solution in electric furnace is poured into casting ladle, ladle-to-ladle cooling；
F, after ladle-to-ladle, the alloy solution in casting ladle is poured into electric furnace, temperature is down to 1480 to 1510 degrees Celsius, in casting ladle
Packet sequentially adds 1.4% to 1.5% nodulizer and 0.2% to 0.3% inovulant in hole, with 5 to 6kg sheet metals, sheet metal
Thickness is 0.5mm to 1mm, sheet metal is covered in nodulizer, on inovulant, and consolidate；
G, alloy solution in electric furnace is poured into the other side of casting ladle indent, spheroidizing reacion 70s to 75s, spheroidizing reacion fills
After point, one layer of collection slag agent is spread, is quickly skimmed；
H, after quickly skimming, swelling perlite powder is sprinkled on alloy solution surface immediately, twice of slag hitting, after the completion of slag hitting,
Alloy solution to be cast is formed, is poured in five minutes；
(ii) prepared by wax-pattern：Using low-temperature wax and mechanical casting technology, makes consistent with cast member and include insulated feeder
Wax-pattern, and wax-pattern is modified, wax-pattern is cleaned using wax base cleaning agent later；
(iii) shell mold sand mold is made in step (ii) wax-pattern obtained：The step comprises the steps of：
A, on the position that wax-pattern places insulated feeder, the surface for placing insulated feeder is covered with EVA adhesive film, to prevent the table
Face is contaminated；
B, it is coated with the first face layer in wax pattern surface：
First, slurries are prepared in wax pattern surface dip-coating zirconium powder and silica sol binder, the viscosity numbers of the slurries 52~
56 seconds；
Then, it carries out manually floating sand by the wax pattern surface of dip-coating slurries with the zircon sand of 150 mesh, should be cleared up after floating sand
Residual slurry in EVA adhesive film and zircon sand；
Third spontaneously dries the wax-pattern after artificial floating sand, and drying time is 13~15 hours；
C, the wax pattern surface made from step B is coated with the second transition zone：
First, the slurries that the Malaysia powder of the wax pattern surface dip-coating made from step B is prepared with silica sol binder, the slurries
Viscosity number at 41~45 seconds；
Then, it carries out manually floating sand by the wax pattern surface of dip-coating slurries with the Malaysia sand of 65~80 mesh, be answered after floating sand
Clear up the residual slurry and Malaysia sand in EVA adhesive film；
Wax-pattern after artificial floating sand is put in vacuum drying chamber and is dried, controls the temperature in vacuum drying chamber by third
Degree is 45~55 degrees Celsius, and it is 110~130Pa to control the air pressure in vacuum drying chamber, and drying time is 25~30 hours；
D, the wax pattern surface made from step C is coated with third reinforcing layer：
First, the slurries that the Malaysia powder of the wax pattern surface dip-coating made from step C is prepared with silica sol binder, the slurries
Viscosity number at 22~25 seconds；
Then, it carries out manually floating sand by the wax pattern surface of dip-coating slurries with the Malaysia sand of 15~20 mesh, be answered after floating sand
Clear up the residual slurry and Malaysia sand in EVA adhesive film；
Wax-pattern is put in vacuum drying chamber and is dried by third, controls the temperature in vacuum drying chamber and is taken the photograph for 58~68
Family name's degree, it is 65~95Pa to control the air pressure in vacuum drying chamber, and drying time is 12~15 hours；
E, the wax pattern surface made from step D is coated with the 4th slurry seal layer：
First, the slurries that the Malaysia powder of the wax pattern surface dip-coating made from step D is prepared with silica sol binder, the slurries
Viscosity number at 8~12 seconds；
Then, the residual slurry in EVA adhesive film is cleared up；
Wax-pattern after artificial floating sand is put under the wind speed of 1.1~1.2 meter per seconds and is dried by third, drying time 12
~36 hours；
(iv) it dewaxes：Using steam dewaxing, the pressure of steam is 0.6MPa, and the time is 18~55 minutes, and is answered first before dewaxing
The EVA adhesive film at insulated feeder position is removed, shell mold is made；
(v) shell mold roasts
The shell mold of step (iv) is roasted using temperature-gradient method baking modes, in roasting：First 500 degrees Celsius with
Secondly preceding heating rate control keeps the temperature 1 hour at 500 degrees Celsius, then, is warming up to 1050 at full speed in 100 degrees Celsius/hour
Degree Celsius, and keep 1050 degrees Celsius of half an hours, cooling of finally coming out of the stove；
(vi) using wire cutting machine, (v) shell mold obtained is cut along the centre of each arcuate socket by step；
(vii) it will be fixed with adhesive tape after step (vi) the shell mold splicing completely of well cutting, be put into the sandbox prepared by formative technology
In, blend compounds band seals the cast gate and insulated feeder for cast in the shell mold, is then placed in the mixed sand by preparation, piles
Ram-jolt is carried out with foundry jolter again after mixed sand, forms sand mold；
(viii) by after step (vii) ram-jolt sand mold and sandbox plane strike off, and mould surface at interval of 15cm prick a gas
Eye, the core are pricked to from 3~5cm of model surface；
(ix) it pours into a mould
Baking 1 hour carried out to shell mold with the air-heater of 400~420 degrees Celsius of constant temperature before cast, when cast, pouring temperature
It it is 1550~1650 degrees Celsius, after cast, casting keeps the temperature 2~3 hours in sand mold；
(x) it after moulding by casting, is demoulded, will successively be removed per part shell mold, and cut off the insulated feeder of casting, cast
Part.
The improvement of above-mentioned technical proposal is：Arcuate socket on first flange, second flange and circular filter screen is respectively four,
Four arcuate sockets are symmetrical arranged two-by-two.
The improvement of above-mentioned technical proposal is：First flange and the opposite both sides of second flange are separately installed with pipe joint.
The improvement of above-mentioned technical proposal is：The mass percent of each ingredient is in first flange and second flange：C：
0.04%, Al: 1.07%,Zn: 0.24%,Si：0.14%, Mn：0.68%, S：≤ 0.030%, P：≤ 0.030%, Cr：0.03%,
Ni：0.34%, Cu：0.06%, V：0.12%, Mo：0.11%, Ti：0.48%, B：0.01%, Pd：0.02%,Pt：0.16%, W：
0.23%,Ta：0.01%,Nd：0.05%,Ce：0.01%,Eu：0.12%,Lu:0.11%, Au：0.12%, Ag:0.36%, Ga：
0.01%, Y：0.23%, Sn：0.35%, Zr：0.07%, Re：0.03%, Os：0.01%, Hf：0.06%, Bi：0.12%, calcium oxide：
0.23%, talcum powder:0.13%, magnesia：0.19%, copper oxide：0.36%, iron oxide：0.25%, manganese dioxide：
0.27%, Kocide SD：0.15%, iron hydroxide：0.06%, calcium hydroxide：0.07%, barium hydroxide：0.05%, chlorination
Sodium：0.01%, calcium carbonate：0.07%, potassium nitrate：0.22%, magnesium chloride：0.14%, calcium chloride：0.15%, potassium chlorate：
0.27%, barium sulfate：0.24%, copper sulphate：0.26%, surplus Fe.
The improvement of above-mentioned technical proposal is：The mass percent of each ingredient is in first flange and second flange：C：
0.02%, Al: 1.12%,Zn: 0.33%,Si：0.21%, Mn：0.77%, S：≤ 0.030%, P：≤ 0.030%, Cr：0.04%,
Ni：0.38%, Cu：0.11%, V：0.14%, Mo：0.13%, Ti：0.59%, B：0.02%, Pd：0.04%,Pt：0.18%, W：
0.25%,Ta：0.02%,Nd：0.09%,Ce：0.02%,Eu：0.13%,Lu:0.13%, Au：0.14%, Ag:0.44%, Ga：
0.02%, Y：0.23%, Sn：0.46%, Zr：0.16%, Re：0.05%, Os：0.02%, Hf：0.13%, Bi：0.14%, calcium oxide：
0.31%, talcum powder:0.15%, magnesia：0.24%, copper oxide：0.44%, iron oxide：0.29%, manganese dioxide：
0.33%, Kocide SD：0.17%, iron hydroxide：0.08%, calcium hydroxide：0.07%, barium hydroxide：0.06%, chlorination
Sodium：0.02%, calcium carbonate：0.11%, potassium nitrate：0.26%, magnesium chloride：0.18%, calcium chloride：0.21%, potassium chlorate：
0.31%, barium sulfate：0.37%, copper sulphate：0.29%, surplus Fe.
The improvement of above-mentioned technical proposal is：The step of casting technique of first flange and second flange (i) in：B, by upper one
It walks obtained alloy solution to be cooled down, water cooling and air-cooled combination, first use water cooling with the cooling rate of 22 DEG C/s when cooling
By alloy solution water cooling to 450 DEG C of formation alloys, 320 DEG C are then air-cooled to, then uses water cooling will with the cooling rate of 11 DEG C/s
Alloy water cooling is to room temperature.
The improvement of above-mentioned technical proposal is：The step of casting technique of first flange and second flange (i) in：F, after ladle-to-ladle,
Alloy solution in casting ladle is poured into electric furnace, temperature is down to 1490 degrees Celsius, and 1.4% ball is sequentially added in the packet hole of casting ladle
Agent and 0.3% inovulant, with 6kg sheet metals, the thickness of sheet metal is 1mm, and sheet metal is covered in nodulizer, inovulant
On, and consolidate.
The improvement of above-mentioned technical proposal is：The step of casting technique of first flange and second flange (ix) in, pour into a mould before use
The air-heater that 410 degrees Celsius of constant temperature carries out baking 1 hour to shell mold, and when cast, pouring temperature is 1650 degrees Celsius, after cast,
Casting keeps the temperature 3 hours in sand mold.
The present invention is using the advantageous effect of above-mentioned technical proposal：（1）Due to first flange, second flange and circular filter screen
Corresponding position offer at least two arcuate sockets respectively, when installation, bolt need to only pass sequentially through arcuate socket can be by first
Flange, second flange and circular filter screen are fixed, need not be slowly by the mounting hole on first flange, second flange and circular filter screen
Slowly be aligned successively, substantially increase installation effectiveness so that flange installation become efficient quick, can effectively accelerate engineering into
Degree；（2）Since second flange is provided with annular link block close to first flange side, it is formed with external screw thread on the outside of annular link block,
First flange offers the link slot to match with annular link block, and link slot inner wall is formed with the external screw thread phase with annular link block
Matched internal thread first passes through link block threaded connection, then is bolted, two when first flange is connected with second flange
Connection type cooperates so that the connection of first flange and second flange more firm stable greatly reduces because connecting loosely
The problems such as being revealed caused by Gu；（3）Due to being provided with circular filter screen between first flange and second flange, it can filter and stop
Impurity in pipeline and foreign matter can effectively prevent line clogging, and cleaning and installation side as long as periodic cleaning circular filter screen
Just quick, less maintenance cost usually；（4）Since first flange and second flange opposite side surface have been covered each by
One rubber sealant and the second rubber sealant, fastening bolt and nut cover respectively with first flange and second flange contact side
It is stamped third rubber sealant and the 4th rubber sealant, by the cooperation of four layers of rubber sealant, ensure that the sealing of flange
The efficient stable of performance prevents from revealing in connecting portion in flange；（5）Since circular filter screen outer ledge is covered with rubber
Sealing ring further improves the sealing performance of flange, coordinates with four layers of rubber sealant so that flange is complete in connecting portion
It is hermetically sealed, greatly reduce the possibility of leakage；（6）The first flange of ingredient percent using the present invention casting and the
Two flanges have the advantages that corrosion-resistant, high temperature resistant, intensity are high and with long service life；（7）When raw material melting of the present invention, by scalding
Packet, ladle-to-ladle, spheroidizing reacion, the cooperation skimmed with slag hitting so that raw material melting is more thorough, can effectively remove miscellaneous in raw material
Matter improves casting quality；（8）When raw material melting of the present invention, it is quickly cooled down with air-cooled combination using water cooling after first time melting, after
Carry out second of melting, by quickly cooling down and secondary smelting, greatly reduce it is original in impurity, improve final casting
Quality；（9）Cured mould is made using low-temperature wax and mechanical casting technology, model obtained is more accurate careful；（10）Make shell
When model sand mold, the surface for placing insulated feeder is covered with EVA adhesive film, can effectively prevent that the surface is contaminated, relative to tradition
The method with sword iron plate of placement is suitble to the riser of various specifications with EVA adhesive film, and more convenient efficient, cost is lower；（11）It makes
When shell mold sand mold, it is combined by using the method for vacuum drying chamber drying and natural-wind dry so that shell mold drying is more thorough
Bottom is efficient, shell mold better quality intensity higher obtained；（12）Shell mold is roasted using temperature-gradient method baking modes, is improved
Roasting quality reduces the probability of shell mold explosion；（13）By step, (v) shell mold edge obtained is every using wire cutting machine by the present invention
It is cut the centre of a arcuate socket so that, can be conveniently stripped after casting, shell mold need not be crushed so that shell mold
It can be used for multiple times, greatly reduce casting cost.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the structural schematic diagram of the efficient sealed flange of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the first flange of the efficient sealed flange of the embodiment of the present invention；
Wherein：1- first pipe interfaces；2- nuts；The 4th rubber sealants of 3-；4- first flanges；4a- arcuate sockets；5-
One rubber sealant；6- circular filter screens；7- rubber seal rings；8- annular link blocks；The second rubber sealants of 9-；The second methods of 10-
It is blue；11- third rubber sealants；12- fastening bolts；13- second pipe interfaces.
Specific implementation mode
Embodiment one
The efficient sealed flange of the present embodiment is as illustrated in fig. 1 and 2, including first flange 4, second flange 10, circular filter screen
6, fastening bolt 12 and nut 2, the corresponding position of first flange 4, second flange 10 and circular filter screen 6 offer arcuate socket respectively
4a, fastening bolt 12 sequentially passes through the arcuate socket 4a of first flange 4, circular filter screen 6 and second flange 10 and 2 screw thread of nut connects
It connects；Second flange 10 is provided with annular link block 8 close to 4 side of first flange, and 8 outside of annular link block is formed with external screw thread, the
One flange 4 offers the link slot to match with annular link block 8, and link slot inner wall is formed with the external screw thread with annular link block 8
The internal thread to match；First flange 4 and 10 opposite side surface of second flange have been covered each by the first rubber sealant 5 and
Two rubber sealants 9, fastening bolt 12 and nut 2 contact side with first flange 4 and second flange 10 and have been covered each by third
Rubber sealant 11 and the 4th rubber sealant 3；6 outer ledge of circular filter screen is covered with rubber seal ring 7.First flange 4,
Arcuate socket 4a on two flanges 10 and circular filter screen 6 is respectively four, and four arcuate socket 4a are symmetrical arranged two-by-two.First flange 4
Opposite both sides are separately installed with first pipe interface 1 and second pipe interface 13 with second flange 10.
The mass percent of each ingredient is in first flange and second flange：C：0.04%, Al: 1.07%,Zn: 0.24%,
Si：0.14%, Mn：0.68%, S：≤ 0.030%, P：≤ 0.030%, Cr：0.03%, Ni：0.34%, Cu：0.06%, V：0.12%,
Mo：0.11%, Ti：0.48%, B：0.01%, Pd：0.02%,Pt：0.16%, W：0.23%,Ta：0.01%,Nd：0.05%,Ce：
0.01%,Eu：0.12%,Lu:0.11%, Au：0.12%, Ag:0.36%, Ga：0.01%, Y：0.23%, Sn：0.35%, Zr：0.07%,
Re：0.03%, Os：0.01%, Hf：0.06%, Bi：0.12%, calcium oxide：0.23%, talcum powder:0.13%, magnesia：0.19%,
Copper oxide：0.36%, iron oxide：0.25%, manganese dioxide：0.27%, Kocide SD：0.15%, iron hydroxide：0.06%,
Calcium hydroxide：0.07%, barium hydroxide：0.05%, sodium chloride：0.01%, calcium carbonate：0.07%, potassium nitrate：0.22%, chlorine
Change magnesium：0.14%, calcium chloride：0.15%, potassium chlorate：0.27%, barium sulfate：0.24%, copper sulphate：0.26%, surplus Fe；
The casting technique of first flange and second flange includes the following steps：
(i) melting raw material：
A, it is added raw materials into smelting furnace by the mass percent of each ingredient in scheduled flange, the temperature in smelting furnace is improved
To 1450 degrees Celsius to 1480 degrees Celsius, raw material is smelted to form alloy solution；
B, alloy solution obtained in the previous step is cooled down, water cooling and air-cooled combination when cooling, first use water cooling with
Alloy solution water cooling to 450 DEG C of formation alloys, is then air-cooled to 320 DEG C, then use water cooling with 11 by the cooling rate of 22 DEG C/s
DEG C/cooling rate of s is by alloy water cooling to room temperature；
C, it heats, previous step alloy after cooling is added in smelting furnace and carries out secondary smelting, the temperature in smelting furnace is improved
To 1570 degrees Celsius to 1610 degrees Celsius, alloy forms alloy solution by secondary smelting；
D, packet is scalded, the alloy solution in smelting furnace is poured into casting ladle, carries out scalding packet；
E, after scalding packet, the alloy solution in casting ladle is poured into electric furnace, the temperature in electric furnace, which is warming up to 1590, to be taken the photograph
Family name's degree heats 14 minutes to 18 minutes to 1610 degrees Celsius, the alloy solution in electric furnace is poured into casting ladle, ladle-to-ladle cooling；
F, after ladle-to-ladle, the alloy solution in casting ladle is poured into electric furnace, temperature is down to 1490 degrees Celsius, in the packet hole of casting ladle
1.4% nodulizer and 0.3% inovulant are sequentially added, the thickness with 6kg sheet metals, sheet metal is 1mm, and sheet metal is covered
On nodulizer, inovulant, and consolidate；
G, alloy solution in electric furnace is poured into the other side of casting ladle indent, spheroidizing reacion 70s to 75s, spheroidizing reacion fills
After point, one layer of collection slag agent is spread, is quickly skimmed；
H, after quickly skimming, swelling perlite powder is sprinkled on alloy solution surface immediately, twice of slag hitting, after the completion of slag hitting,
Alloy solution to be cast is formed, is poured in five minutes；
(ii) prepared by wax-pattern：Using low-temperature wax and mechanical casting technology, makes consistent with cast member and include insulated feeder
Wax-pattern, and wax-pattern is modified, wax-pattern is cleaned using wax base cleaning agent later；
(iii) shell mold sand mold is made in step (ii) wax-pattern obtained：The step comprises the steps of：
A, on the position that wax-pattern places insulated feeder, the surface for placing insulated feeder is covered with EVA adhesive film, to prevent the table
Face is contaminated；
B, it is coated with the first face layer in wax pattern surface：
First, slurries are prepared in wax pattern surface dip-coating zirconium powder and silica sol binder, the viscosity numbers of the slurries 52~
56 seconds；
Then, it carries out manually floating sand by the wax pattern surface of dip-coating slurries with the zircon sand of 150 mesh, should be cleared up after floating sand
Residual slurry in EVA adhesive film and zircon sand；
Third spontaneously dries the wax-pattern after artificial floating sand, and drying time is 13~15 hours；
C, the wax pattern surface made from step B is coated with the second transition zone：
First, the slurries that the Malaysia powder of the wax pattern surface dip-coating made from step B is prepared with silica sol binder, the slurries
Viscosity number at 41~45 seconds；
Then, it carries out manually floating sand by the wax pattern surface of dip-coating slurries with the Malaysia sand of 65~80 mesh, be answered after floating sand
Clear up the residual slurry and Malaysia sand in EVA adhesive film；
Wax-pattern after artificial floating sand is put in vacuum drying chamber and is dried, controls the temperature in vacuum drying chamber by third
Degree is 45~55 degrees Celsius, and it is 110~130Pa to control the air pressure in vacuum drying chamber, and drying time is 25~30 hours；
D, the wax pattern surface made from step C is coated with third reinforcing layer：
First, the slurries that the Malaysia powder of the wax pattern surface dip-coating made from step C is prepared with silica sol binder, the slurries
Viscosity number at 22~25 seconds；
Then, it carries out manually floating sand by the wax pattern surface of dip-coating slurries with the Malaysia sand of 15~20 mesh, be answered after floating sand
Clear up the residual slurry and Malaysia sand in EVA adhesive film；
Wax-pattern is put in vacuum drying chamber and is dried by third, controls the temperature in vacuum drying chamber and is taken the photograph for 58~68
Family name's degree, it is 65~95Pa to control the air pressure in vacuum drying chamber, and drying time is 12~15 hours；
E, the wax pattern surface made from step D is coated with the 4th slurry seal layer：
First, the slurries that the Malaysia powder of the wax pattern surface dip-coating made from step D is prepared with silica sol binder, the slurries
Viscosity number at 8~12 seconds；
Then, the residual slurry in EVA adhesive film is cleared up；
Wax-pattern after artificial floating sand is put under the wind speed of 1.1~1.2 meter per seconds and is dried by third, drying time 12
~36 hours；
(iv) it dewaxes：Using steam dewaxing, the pressure of steam is 0.6MPa, and the time is 18~55 minutes, and is answered first before dewaxing
The EVA adhesive film at insulated feeder position is removed, shell mold is made；
(v) shell mold roasts
The shell mold of step (iv) is roasted using temperature-gradient method baking modes, in roasting：First 500 degrees Celsius with
Secondly preceding heating rate control keeps the temperature 1 hour at 500 degrees Celsius, then, is warming up to 1050 at full speed in 100 degrees Celsius/hour
Degree Celsius, and keep 1050 degrees Celsius of half an hours, cooling of finally coming out of the stove；
(vi) using wire cutting machine, (v) shell mold obtained is cut along the centre of each arcuate socket by step；
(vii) it will be fixed with adhesive tape after step (vi) the shell mold splicing completely of well cutting, be put into the sandbox prepared by formative technology
In, blend compounds band seals the cast gate and insulated feeder for cast in the shell mold, is then placed in the mixed sand by preparation, piles
Ram-jolt is carried out with foundry jolter again after mixed sand, forms sand mold；
(viii) by after step (vii) ram-jolt sand mold and sandbox plane strike off, and mould surface at interval of 15cm prick a gas
Eye, the core are pricked to from 3~5cm of model surface；
(ix) it pours into a mould
Baking 1 hour carried out to shell mold with the air-heater of 410 degrees Celsius of constant temperature before cast, when cast, pouring temperature is
1650 degrees Celsius, after cast, casting keeps the temperature 3 hours in sand mold；
(x) it after moulding by casting, is demoulded, will successively be removed per part shell mold, and cut off the insulated feeder of casting, cast
Part.
Embodiment two
The efficient sealed flange and embodiment one of the present embodiment are essentially identical, the difference is that first flange and the second method
The mass percent of each ingredient is in orchid：C：0.02%, Al: 1.12%,Zn: 0.33%,Si：0.21%, Mn：0.77%, S：≤
0.030%, P：≤ 0.030%, Cr：0.04%, Ni：0.38%, Cu：0.11%, V：0.14%, Mo：0.13%, Ti：0.59%, B：
0.02%, Pd：0.04%,Pt：0.18%, W：0.25%,Ta：0.02%,Nd：0.09%,Ce：0.02%,Eu：0.13%,Lu:
0.13%, Au：0.14%, Ag:0.44%, Ga：0.02%, Y：0.23%, Sn：0.46%, Zr：0.16%, Re：0.05%, Os：0.02%,
Hf：0.13%, Bi：0.14%, calcium oxide：0.31%, talcum powder:0.15%, magnesia：0.24%, copper oxide：0.44%, oxygen
Change iron：0.29%, manganese dioxide：0.33%, Kocide SD：0.17%, iron hydroxide：0.08%, calcium hydroxide：0.07%,
Barium hydroxide：0.06%, sodium chloride：0.02%, calcium carbonate：0.11%, potassium nitrate：0.26%, magnesium chloride：0.18%, chlorination
Calcium：0.21%, potassium chlorate：0.31%, barium sulfate：0.37%, copper sulphate：0.29%, surplus Fe.
The present invention is not limited to the above embodiment.All technical solutions formed using equivalent replacement, are all fallen within the present invention and wanted
The protection domain asked.
Claims (8)
1. a kind of efficient sealed flange, it is characterised in that：Including first flange, second flange, circular filter screen, fastening bolt and spiral shell
The corresponding position of mother, the first flange, second flange and circular filter screen offer at least two arcuate sockets, the fastening respectively
The arcuate socket that bolt sequentially passes through first flange, circular filter screen and second flange is connect with the nut thread；Second method
It is blue that the first flange side is provided with annular link block, it is formed with external screw thread on the outside of the annular link block, described first
Flange offers the link slot to match with the annular link block, and the link slot inner wall is formed with and the annular link block
The internal thread that external screw thread matches；The first flange and second flange opposite side surface have been covered each by the first rubber seal
Layer and the second rubber sealant, the fastening bolt and nut are covered each by with the first flange and second flange contact side
There are third rubber sealant and the 4th rubber sealant；The circular filter screen outer ledge is covered with rubber seal ring；
The mass percent of each ingredient is in the first flange and second flange：C：0.02-0.05%, Al: 1.06-1.13%,
Zn: 0.23-0.34%,Si：0.13-0.21%, Mn：0.67-0.78%, S：≤ 0.030%, P：≤ 0.030%, Cr：0.02-
0.04%, Ni：0.33-0.39%, Cu：0.05-0.11%, V：0.12-0.14%, Mo：0.11-0.13%, Ti：0.47-0.59%, B：
0.01-0.02%, Pd：0.02-0.04%,Pt：0.16-0.19%, W：0.23-0.26%,Ta：0.01-0.02%,Nd：0.05-
0.11%,Ce：0.01-0.02%,Eu：0.12-0.13%,Lu:0.11-0.13%, Au：0.12-0.14%, Ag:0.35-0.44%,
Ga：0.01-0.02%, Y：0.22-0.25%, Sn：0.34-0.47%, Zr：0.06-0.17%, Re：0.02-0.05%, Os：0.01-
0.02%, Hf：0.05-0.13%, Bi：0.11-0.14%, calcium oxide：0.22-0.33%, talcum powder:0.13-0.16%, oxidation
Magnesium：0.19-0.25%, copper oxide：0.35-0.48%, iron oxide：0.24-0.31%, manganese dioxide：0.26-0.34%, hydrogen
Copper oxide：0.14-0.18%, iron hydroxide：0.05-0.09%, calcium hydroxide：0.06-0.08%, barium hydroxide：0.04-
0.07%, sodium chloride：0.01-0.02%, calcium carbonate：0.06-0.11%, potassium nitrate：0.21-0.26%, magnesium chloride：0.13-
0.18%, calcium chloride：0.13-0.22%, potassium chlorate：0.26-0.32%, barium sulfate：0.23-0.37%, copper sulphate：0.24-
0.31%, surplus Fe；
The casting technique of the first flange and second flange includes the following steps：
(i) melting raw material：
A, it is added raw materials into smelting furnace by the mass percent of each ingredient in scheduled flange, the temperature in smelting furnace is increased to
1450 degrees Celsius to 1480 degrees Celsius, raw material is smelted to form alloy solution；
B, alloy solution obtained in the previous step is cooled down, water cooling and air-cooled combination, first use water cooling with 20-22 when cooling
DEG C/alloy solution water cooling to 430-450 DEG C of formation alloy, is then air-cooled to 320-340 DEG C, then use water by the cooling rate of s
The cold cooling rate with 11-12 DEG C/s is by alloy water cooling to room temperature；
C, it heats, previous step alloy after cooling is added in smelting furnace and carries out secondary smelting, the temperature in smelting furnace is increased to
1570 degrees Celsius to 1610 degrees Celsius, alloy forms alloy solution by secondary smelting；
D, packet is scalded, the alloy solution in smelting furnace is poured into casting ladle, carries out scalding packet；
E, after scalding packet, the alloy solution in casting ladle is poured into electric furnace, the temperature in electric furnace is warming up to 1590 degrees Celsius
To 1610 degrees Celsius, heats 14 minutes to 18 minutes, the alloy solution in electric furnace is poured into casting ladle, ladle-to-ladle cooling；
F, after ladle-to-ladle, the alloy solution in casting ladle is poured into electric furnace, temperature is down to 1480 to 1510 degrees Celsius, is cheated in the packet of casting ladle
In sequentially add 1.4% to 1.5% nodulizer and 0.2% to 0.3% inovulant, with 5 to 6kg sheet metals, the thickness of sheet metal
For 0.5mm to 1mm, sheet metal is covered in nodulizer, on inovulant, and consolidate；
G, alloy solution in electric furnace pours into the other side of casting ladle indent, spheroidizing reacion 70s to 75s, after spheroidizing reacion is abundant,
One layer of collection slag agent is spread, is quickly skimmed；
H, after quickly skimming, it is sprinkled into swelling perlite powder on alloy solution surface immediately, twice of slag hitting after the completion of slag hitting, is formed
Alloy solution to be cast is poured in five minutes；
(ii) prepared by wax-pattern：Using low-temperature wax and mechanical casting technology, wax consistent with cast member and including insulated feeder is made
Mould, and wax-pattern is modified, wax-pattern is cleaned using wax base cleaning agent later；
(iii) shell mold sand mold is made in step (ii) wax-pattern obtained：The step comprises the steps of：
A, wax-pattern place insulated feeder position on, with EVA adhesive film cover place insulated feeder surface, to prevent the surface by
To pollution；
B, it is coated with the first face layer in wax pattern surface：
First, slurries are prepared in wax pattern surface dip-coating zirconium powder and silica sol binder；
Then, it carries out manually floating sand by the wax pattern surface of dip-coating slurries with the zircon sand of 150 mesh, should be cleared up after floating sand described
Residual slurry in EVA adhesive film and zircon sand；
Third spontaneously dries the wax-pattern after artificial floating sand, and drying time is 13~15 hours；
C, the wax pattern surface made from step B is coated with the second transition zone：
First, the slurries that the Malaysia powder of the wax pattern surface dip-coating made from step B is prepared with silica sol binder；
Then, it carries out manually floating sand by the wax pattern surface of dip-coating slurries with the Malaysia sand of 65~80 mesh, should be cleared up after floating sand
Residual slurry in the EVA adhesive film and Malaysia sand；
Wax-pattern after artificial floating sand is put in vacuum drying chamber and is dried by third, and the temperature controlled in vacuum drying chamber is
45~55 degrees Celsius, it is 110~130Pa to control the air pressure in vacuum drying chamber, and drying time is 25~30 hours；
D, the wax pattern surface made from step C is coated with third reinforcing layer：
First, the slurries that the Malaysia powder of the wax pattern surface dip-coating made from step C is prepared with silica sol binder；
Then, it carries out manually floating sand by the wax pattern surface of dip-coating slurries with the Malaysia sand of 15~20 mesh, should be cleared up after floating sand
Residual slurry in the EVA adhesive film and Malaysia sand；
Wax-pattern is put in vacuum drying chamber and is dried by third, and it is 58~68 degrees Celsius to control the temperature in vacuum drying chamber,
It is 65~95Pa to control the air pressure in vacuum drying chamber, and drying time is 12~15 hours；
E, the wax pattern surface made from step D is coated with the 4th slurry seal layer：
First, the slurries that the Malaysia powder of the wax pattern surface dip-coating made from step D is prepared with silica sol binder；
Then, the residual slurry in the EVA adhesive film is cleared up；
Wax-pattern after artificial floating sand is put under the wind speed of 1.1~1.2 meter per seconds and is dried by third, and drying time is 12~36
Hour；
(iv) it dewaxes：Using steam dewaxing, the pressure of steam is 0.6MPa, and the time is 18~55 minutes, and will should first be protected before dewaxing
The EVA adhesive film at warm riser position is removed, and shell mold is made；
(v) shell mold roasts
The shell mold of step (iv) is roasted using temperature-gradient method baking modes, in roasting：It is risen first before 500 degrees Celsius
Secondly warm speed control keeps the temperature 1 hour at 500 degrees Celsius, then, it is Celsius to be warming up to 1050 at full speed in 100 degrees Celsius/hour
Degree, and keep 1050 degrees Celsius of half an hours, cooling of finally coming out of the stove；
(vi) using wire cutting machine, (v) shell mold obtained is cut along the centre of each arcuate socket by step；
(vii) it will be fixed, be put into the sandbox prepared by formative technology with adhesive tape after step (vi) the shell mold splicing completely of well cutting, and
The cast gate and insulated feeder in the shell mold for cast are sealed with adhesive tape, the mixed sand by preparation is then placed in, piles mixing
Ram-jolt is carried out with foundry jolter again after sand, forms sand mold；
(viii) by after step (vii) ram-jolt sand mold and sandbox plane strike off, and mould surface at interval of 15cm prick a core,
The core is pricked to from 3~5cm of model surface；
(ix) it pours into a mould
Baking 1 hour carried out to shell mold with the air-heater of 400~420 degrees Celsius of constant temperature before cast, when cast, pouring temperature is
1550~1650 degrees Celsius, after cast, casting keeps the temperature 2~3 hours in sand mold；
(x) it after moulding by casting, is demoulded, will successively be removed per part shell mold, and cut off the insulated feeder of casting, obtain casting.
2. efficient sealed flange according to claim 1, it is characterised in that：The first flange, second flange and circle
Arcuate socket on strainer is respectively four, and four arcuate sockets are symmetrical arranged two-by-two.
3. efficient sealed flange according to claim 2, it is characterised in that：The first flange and second flange are opposite
Both sides are separately installed with pipe joint.
4. efficient sealed flange according to claim 3, it is characterised in that：In the first flange and second flange respectively at
Point mass percent be：C：0.04%, Al: 1.07%,Zn: 0.24%,Si：0.14%, Mn：0.68%, S：≤ 0.030%, P：
≤ 0.030%, Cr：0.03%, Ni：0.34%, Cu：0.06%, V：0.12%, Mo：0.11%, Ti：0.48%, B：0.01%, Pd：
0.02%,Pt：0.16%, W：0.23%,Ta：0.01%,Nd：0.05%,Ce：0.01%,Eu：0.12%,Lu:0.11%, Au：
0.12%, Ag:0.36%, Ga：0.01%, Y：0.23%, Sn：0.35%, Zr：0.07%, Re：0.03%, Os：0.01%, Hf：0.06%,
Bi：0.12%, calcium oxide：0.23%, talcum powder:0.13%, magnesia：0.19%, copper oxide：0.36%, iron oxide：
0.25%, manganese dioxide：0.27%, Kocide SD：0.15%, iron hydroxide：0.06%, calcium hydroxide：0.07%, hydroxide
Barium：0.05%, sodium chloride：0.01%, calcium carbonate：0.07%, potassium nitrate：0.22%, magnesium chloride：0.14%, calcium chloride：
0.15%, potassium chlorate：0.27%, barium sulfate：0.24%, copper sulphate：0.26%, surplus Fe.
5. efficient sealed flange according to claim 3, it is characterised in that：In the first flange and second flange respectively at
Point mass percent be：C：0.02%, Al: 1.12%,Zn: 0.33%,Si：0.21%, Mn：0.77%, S：≤ 0.030%, P：
≤ 0.030%, Cr：0.04%, Ni：0.38%, Cu：0.11%, V：0.14%, Mo：0.13%, Ti：0.59%, B：0.02%, Pd：
0.04%,Pt：0.18%, W：0.25%,Ta：0.02%,Nd：0.09%,Ce：0.02%,Eu：0.13%,Lu:0.13%, Au：
0.14%, Ag:0.44%, Ga：0.02%, Y：0.23%, Sn：0.46%, Zr：0.16%, Re：0.05%, Os：0.02%, Hf：0.13%,
Bi：0.14%, calcium oxide：0.31%, talcum powder:0.15%, magnesia：0.24%, copper oxide：0.44%, iron oxide：
0.29%, manganese dioxide：0.33%, Kocide SD：0.17%, iron hydroxide：0.08%, calcium hydroxide：0.07%, hydroxide
Barium：0.06%, sodium chloride：0.02%, calcium carbonate：0.11%, potassium nitrate：0.26%, magnesium chloride：0.18%, calcium chloride：
0.21%, potassium chlorate：0.31%, barium sulfate：0.37%, copper sulphate：0.29%, surplus Fe.
6. the efficient sealed flange according to any claim of claim 1-5, it is characterised in that：The first flange
In the step of the casting technique of second flange (i)：B, alloy solution obtained in the previous step is cooled down, water cooling when cooling
With air-cooled combination, first use water cooling with the cooling rate of 22 DEG C/s by alloy solution water cooling to 450 DEG C formation alloys, it is then air-cooled
To 320 DEG C, then use water cooling with the cooling rate of 11 DEG C/s by alloy water cooling to room temperature.
7. the efficient sealed flange according to any claim of claim 1-5, it is characterised in that：The first flange
In the step of the casting technique of second flange (i)：F, after ladle-to-ladle, the alloy solution in casting ladle is poured into electric furnace, temperature is down to
1490 degrees Celsius, 1.4% nodulizer and 0.3% inovulant are sequentially added in the packet hole of casting ladle, with 6kg sheet metals, Bao Gang
The thickness of plate is 1mm, sheet metal is covered in nodulizer, on inovulant, and consolidate.
8. the efficient sealed flange according to any claim of claim 1-5, it is characterised in that：The first flange
It is small with the air-heater of 410 degrees Celsius of constant temperature baking 1 to be carried out to shell mold in the step of the casting technique of second flange (ix), before cast
When, when cast, pouring temperature is 1650 degrees Celsius, and after cast, casting keeps the temperature 3 hours in sand mold.
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| CN201610606805.XA CN106247048B (en) | 2016-07-29 | 2016-07-29 | A kind of efficient sealed flange |
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| CN106247048B true CN106247048B (en) | 2018-08-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107166116A (en) * | 2017-05-26 | 2017-09-15 | 东台市建东机械制造有限公司 | A kind of novel flange |
| CN107385331A (en) * | 2017-07-07 | 2017-11-24 | 安徽同盛环件股份有限公司 | A kind of high-strength corrosion-resisting flange forge piece and its production technology |
| CN107387508A (en) * | 2017-07-11 | 2017-11-24 | 江苏盐发机械有限公司 | A kind of high pressure resistant flange and its production technology |
| CN107699743A (en) * | 2017-09-30 | 2018-02-16 | 南京惠德机械有限公司 | A kind of production technology of corrosion resistant automobile exhaust system adpting flange |
| CN107574760B (en) * | 2017-09-30 | 2023-10-20 | 中铁大桥局第七工程有限公司 | Assembled variable-pitch steel pipe column connecting rod and installation method thereof |
| CN107676478B (en) * | 2017-11-17 | 2024-06-18 | 东台市富康机械有限公司 | Hydraulic lifting mechanical staggered sealing element |
| CN108119712A (en) * | 2017-12-29 | 2018-06-05 | 广州市上腾电子科技有限公司 | A kind of flange and the connection system using the flange |
| CN108330400A (en) * | 2018-01-19 | 2018-07-27 | 辽宁顺通机械科技有限公司 | Edge face sealing member material |
| CN112769312B (en) * | 2020-12-30 | 2022-03-11 | 北京航空航天大学 | Dynamic seal transmission device |
| CN112945301A (en) * | 2021-02-03 | 2021-06-11 | 南京国中环保工程有限公司 | Intelligent environment on-line monitoring device |
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| SE464798B (en) * | 1973-10-24 | 1991-06-17 | Johnson Matthey Co Ltd | CATALYST CONTAINING A SUBSTRATE, AN INTERMEDIATE OXID LAYER AND A CATALYTIC LAYER |
| CN100493778C (en) * | 2006-07-10 | 2009-06-03 | 浙江高中压阀门有限公司 | Sand mould casting method for large-scale high-temperature alloy cast |
| CN202708402U (en) * | 2012-06-17 | 2013-01-30 | 无锡市优耐特石化装备有限公司 | Flange cover connection structure with precoating sealing layer |
| CN202946806U (en) * | 2012-08-10 | 2013-05-22 | 江苏瀚森不锈钢有限公司 | Pipe flange |
| CN203533028U (en) * | 2013-10-23 | 2014-04-09 | 钟波 | Slipknot type flange |
| CN105689653A (en) * | 2016-01-19 | 2016-06-22 | 大丰市洪联铸钢有限责任公司 | Casting process for high-temperature water-pressure-resisting combined flange |
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