CN106247048A - A kind of efficient sealed flange - Google Patents
A kind of efficient sealed flange Download PDFInfo
- Publication number
- CN106247048A CN106247048A CN201610606805.XA CN201610606805A CN106247048A CN 106247048 A CN106247048 A CN 106247048A CN 201610606805 A CN201610606805 A CN 201610606805A CN 106247048 A CN106247048 A CN 106247048A
- Authority
- CN
- China
- Prior art keywords
- flange
- wax
- sand
- degrees celsius
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004589 rubber sealant Substances 0.000 claims abstract description 24
- 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 43
- 238000000034 method Methods 0.000 claims description 26
- 238000001816 cooling Methods 0.000 claims description 24
- 238000003723 Smelting Methods 0.000 claims description 22
- 238000003618 dip coating Methods 0.000 claims description 21
- 238000001291 vacuum drying Methods 0.000 claims description 19
- 239000002313 adhesive film Substances 0.000 claims description 18
- 238000007667 floating Methods 0.000 claims description 18
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 15
- 239000002002 slurry Substances 0.000 claims description 15
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 14
- 239000002994 raw material Substances 0.000 claims description 13
- 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
- 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
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000002893 slag Substances 0.000 claims description 10
- 238000004026 adhesive bonding Methods 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 9
- 239000000203 mixture 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
- 229910000365 copper sulfate Inorganic materials 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
- 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
- LDHBWEYLDHLIBQ-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide;hydrate Chemical compound O.[OH-].[O-2].[Fe+3] LDHBWEYLDHLIBQ-UHFFFAOYSA-M 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
- 238000005516 engineering 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
- 239000002390 adhesive tape Substances 0.000 claims description 6
- 229910001863 barium hydroxide Inorganic materials 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 6
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 claims description 6
- 239000000395 magnesium oxide Substances 0.000 claims description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 6
- 239000011780 sodium chloride Substances 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
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 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
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 238000002156 mixing Methods 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
- 239000002344 surface layer Substances 0.000 claims description 3
- 230000008961 swelling Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000005660 chlorination reaction Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000003292 glue Substances 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
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material 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
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 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
- 238000004880 explosion Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 230000000630 rising effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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)
- Compositions Of Macromolecular Compounds (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
The present invention relates to a kind of efficient sealed flange, including the first flange, the second flange, circular filter screen, fastening bolt and nut, the correspondence position of the first flange, the second flange and circular filter screen offers arcuate socket respectively, and fastening bolt sequentially passes through the arcuate socket of the first flange, circular filter screen and the second flange and is connected with nut thread；Second flange is provided with annular contiguous block near the first flange side, is shaped with external screw thread outside annular contiguous block, and the first flange offers link slot, and link slot inwall is shaped with female thread；First flange and the second flange opposite side surface have been covered each by the first rubber sealant and the second rubber sealant, fastening bolt and nut and the first flange and the second flange contact side has been covered each by the 3rd rubber sealant and the 4th rubber sealant；Circular filter screen outer ledge is coated with rubber seal ring；The present invention cooperation by four layers of rubber sealant, it is ensured that the efficient stable of the sealing property of flange, prevents from revealing at connecting portion at flange.
Description
Technical field
The present invention relates to a kind of efficient sealed flange, belong to technical field of pipeline connection.
Background technology
Flange is again ring flange or bead, makes pipe and the interconnective part of pipe, is connected to pipe end.On flange porose
Eye, can wear bolt, it is common that refer to open several fixing hole for connecting it at the periphery of the metallic object of a similar plate-like
Its thing.Existing Flange joint is exactly two pipelines, pipe fitting or equipment, is first individually fixed on a ring flange, two
Between individual ring flange, add flange gasket, tighten together with bolt, complete to connect.Flange joint is the important company of pipeline construction
Connecing mode, Flange joint is easy to use, it is possible to bear bigger pressure, and in industrial pipeline, the use of Flange joint is the widest
General, but during the installation or removal of common flange, need bolt to need installation or removal one by one, relatively time-consuming take
Power.Also needing to filter to the material after circulation after in actual life, two pipelines connect, this is accomplished by the most separately installed one
Drainage screen, wastes substantial amounts of manpower and materials, has dragged slowly construction speed.And the big multiplex fastening bolt of current flange connects,
When fastening bolt disabling damage, Flange joint also can lose efficacy.
Summary of the invention
The technical problem to be solved in the present invention is, not enough for prior art, proposes a kind of efficient sealed flange.
The present invention solves that the technical scheme that above-mentioned technical problem proposes is: a kind of efficient sealed flange, including the first method
Orchid, the second flange, circular filter screen, fastening bolt and nut, the correspondence position of the first flange, the second flange and circular filter screen is respectively
Offering at least two arcuate socket, fastening bolt sequentially passes through the first flange, circular filter screen and the arcuate socket of the second flange and spiral shell
Box thread connects；Second flange is provided with annular contiguous block near the first flange side, is shaped with external screw thread outside annular contiguous block,
First flange offers the link slot matched with annular contiguous block, and link slot inwall is shaped with and the external screw thread phase of annular contiguous block
The female thread of coupling；First flange and the second flange opposite side surface have been covered each by the first rubber sealant and the second rubber
Sealant, fastening bolt and nut and the first flange and the second flange contact side have been covered each by the 3rd rubber sealant and
Four rubber sealants；Circular filter screen outer ledge is coated with rubber seal ring；
In first flange and the second flange, the mass percent of each composition is: 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%, Pulvis Talci: 0.13-0.16%, oxidation
Magnesium: 0.19-0.25%, copper oxide: 0.35-0.48%, ferrum oxide: 0.24-0.31%, manganese dioxide: 0.26-0.34%, hydrogen
Copper oxide: 0.14-0.18%, hydrated ferric oxide.: 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 sulfate: 0.24-
0.31%, surplus is Fe；
The casting technique of the first flange and the second flange comprises the following steps:
(i) melting raw material:
A, add raw materials in smelting furnace by the mass percent of composition each in predetermined flange, the temperature in smelting furnace is brought up to
1450 degrees Celsius to 1480 degrees Celsius, raw material is smelted formation alloy solution；
B, being cooled down by alloy solution obtained in the previous step, during cooling, water-cooled is combined with air cooling, first uses water-cooled with 20-22
DEG C/alloy solution water-cooled forms alloy to 430-450 DEG C by the cooldown rate of s, then air cooling is to 320-340 DEG C, then uses water
The cold cooldown rate with 11-12 DEG C/s by alloy water-cooled to room temperature；
C, heating, the alloy after previous step being cooled down carries out secondary smelting in adding smelting furnace, the temperature in smelting furnace is brought up to
1570 degrees Celsius to 1610 degrees Celsius, alloy is formed alloy solution by secondary smelting；
D, boiling hot bag, pour the alloy solution in smelting furnace into casting ladle, carries out scalding bag；
After e, boiling hot bag, the alloy solution in casting ladle is poured in electric furnace, the temperature in electric furnace is warming up to 1590 degrees Celsius
To 1610 degrees Celsius, heat 14 minutes to 18 minutes, the alloy solution in electric furnace is poured into casting ladle, ladle-to-ladle cooling；
F, ladle-to-ladle after, pour the alloy solution in casting ladle into electric furnace, temperature is down to 1480 to 1510 degrees Celsius, casting ladle bag cheat
In be sequentially added into the nodulizer of 1.4% to 1.5% and the inovulant of 0.2% to 0.3%, with 5 to 6kg sheet metal, steel-sheet thickness
For 0.5mm to 1mm, sheet metal is covered on nodulizer, inovulant, and consolidates；
G into, the alloy solution in electric furnace is poured the opposite side of casting ladle indent, spheroidizing reacion 70s to 75s, spheroidizing reacion fully after,
Spread the slag agent of one layer of collection, quickly skim；
H, quickly skim after, be sprinkled into swelling perlite powder immediately on alloy solution surface, slag hitting twice, after slag hitting completes, formed
Alloy solution to be cast, was poured in five minutes；
(ii) prepared by wax-pattern: uses low-temperature wax and machinery casting technology, makes wax that is consistent with cast member and that include insulated feeder
Mould, and wax-pattern is repaired, use wax base abluent that wax-pattern is carried out afterwards；
(iii) on the wax-pattern that (ii) step prepares, shell model sand mold is made: this step comprises the steps of
A, wax-pattern place insulated feeder position on, with EVA adhesive film cover place insulated feeder surface, in case this surface is subject to
To polluting；
B, it is coated with the first surface layer at wax pattern surface:
First, preparing serosity at wax pattern surface dip-coating zirconium powder with silica sol binder, the viscosity number of this serosity was at 52～56 seconds；
Then, manually float sand with the zircon sand of 150 mesh at the wax pattern surface through dip-coating serosity, after floating sand, EVA glue should be cleared up
Residual slurry on film and zircon sand；
3rd, the wax-pattern after manually floating sand carries out natural drying, and drying time is 13～15 hours；
C, the wax pattern surface prepared in step B are coated with the second transition zone:
First, in the wax pattern surface dip-coating serosity of Malaysia powder with silica sol binder preparation that step B is prepared, gluing of this serosity
Angle value was at 41～45 seconds；
Then, manually float sand with the Malaysia sand of 65～80 mesh at the wax pattern surface through dip-coating serosity, should clear up after floating sand
Residual slurry in EVA adhesive film and Malaysia sand；
3rd, the wax-pattern after manually floating sand is dried in being put in vacuum drying oven, and the temperature controlled in vacuum drying oven is
45～55 degrees Celsius, the air pressure controlled in vacuum drying oven is 110～130Pa, and drying time is 25～30 hours；
D, the wax pattern surface prepared in step C are coated with the 3rd back-up coat:
First, in the wax pattern surface dip-coating serosity of Malaysia powder with silica sol binder preparation that step C is prepared, gluing of this serosity
Angle value was at 22～25 seconds；
Then, manually float sand with the Malaysia sand of 15～20 mesh at the wax pattern surface through dip-coating serosity, should clear up after floating sand
Residual slurry in EVA adhesive film and Malaysia sand；
3rd, it is dried in wax-pattern is put in vacuum drying oven, the temperature controlled in vacuum drying oven is 58～68 degrees Celsius,
The air pressure controlled in vacuum drying oven is 65～95Pa, and drying time is 12～15 hours；
E, the wax pattern surface prepared in step D are coated with the 4th slurry seal layer:
First, in the wax pattern surface dip-coating serosity of Malaysia powder with silica sol binder preparation that step D is prepared, gluing of this serosity
Angle value was at 8～12 seconds；
Then, the residual slurry in cleaning EVA adhesive film；
3rd, the wax-pattern after manually floating sand is put under the wind speed of 1.1～1.2 meter per seconds and is dried, and drying time is 12～36
Hour；
(iv) dewaxing: using steam dewaxing, the pressure of steam is 0.6MPa, and the time is 18～55 minutes, and should first will protect before dewaxing
Temperature emits the EVA adhesive film of port part and takes off, and prepares shell mould；
(v) shell mould roasting
Use temperature-gradient method baking modes that step shell mould (iv) is carried out roasting, in roasting: first liter 500 degrees Celsius before
Temperature speed controlling is at 100 degrees Celsius/hour, secondly, is incubated 1 hour at 500 degrees Celsius, then, is warmed up to 1050 at full speed Celsius
Degree, and keep 1050 degrees Celsius of half an hours, cooling of finally coming out of the stove；
(vi) the shell mould that (v) step is prepared by employing wire cutting machine cuts along the centre of each arcuate socket；
(vii) fix with adhesive tape after the shell mould of step (vi) well cutting being spliced completely, put in the sandbox by formative technology preparation, and
Seal on this shell mould for the cast gate poured into a mould and insulated feeder with adhesive tape, be then placed in the mixed sand through preparation, pile mixing
Carry out ram-jolt with foundry jolter again after sand, form sand mold；
(viii) the sand mold after step (vii) ram-jolt and sandbox plane are struck off, and prick a core at mould surface at interval of 15cm,
This core is pricked to from model surface 3～5cm；
(ix) pour into a mould
With the hot-air blower of constant temperature 400～420 degrees Celsius, shell mould being toasted 1 hour, during cast before Jiao Zhu, pouring temperature is
1550～1650 degrees Celsius, after cast, foundry goods is incubated 2～3 hours in sand mold；
(x) after moulding by casting, carry out the demoulding, every part shell mould is taken off successively, the insulated feeder of excision foundry goods, obtain foundry goods.
The improvement of technique scheme is: the arcuate socket on the first flange, the second flange and circular filter screen is respectively four,
Four arcuate sockets are symmetrical arranged two-by-two.
The improvement of technique scheme is: the first flange and the opposing both sides of the second flange are separately installed with pipe joint.
The improvement of technique scheme is: in the first flange and the second flange, the mass percent of each composition is: 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%, Pulvis Talci: 0.13%, magnesium oxide: 0.19%, copper oxide: 0.36%, ferrum oxide: 0.25%, manganese dioxide:
0.27%, Copper hydrate: 0.15%, hydrated ferric oxide.: 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 sulfate: 0.26%, surplus is Fe.
The improvement of technique scheme is: in the first flange and the second flange, the mass percent of each composition is: 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%, Pulvis Talci: 0.15%, magnesium oxide: 0.24%, copper oxide: 0.44%, ferrum oxide: 0.29%, manganese dioxide:
0.33%, Copper hydrate: 0.17%, hydrated ferric oxide.: 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 sulfate: 0.29%, surplus is Fe.
The improvement of technique scheme is: the step of the casting technique of the first flange and the second flange (i) in: b, by upper
The alloy solution that step obtains cools down, and during cooling, water-cooled is combined with air cooling, first uses water-cooled with the cooldown rate of 22 DEG C/s
Alloy solution water-cooled to 450 DEG C is formed alloy, and then air cooling is to 320 DEG C, then uses water-cooled to incite somebody to action with the cooldown rate of 11 DEG C/s
Alloy water-cooled is to room temperature.
The improvement of technique scheme is: the step of the casting technique of the first flange and the second flange (i) in: f, ladle-to-ladle after,
Pouring the alloy solution in casting ladle into electric furnace, temperature is down to 1490 degrees Celsius, is sequentially added into the ball of 1.4% in the bag hole of casting ladle
Agent and the inovulant of 0.3%, using 6kg sheet metal, steel-sheet thickness is 1mm, covers sheet metal at nodulizer, inovulant
On, and consolidate.
The improvement of technique scheme is: the step of the casting technique of the first flange and the second flange (ix) in, cast before use
Shell mould is toasted 1 hour, during cast by the hot-air blower that constant temperature is 410 degrees Celsius, and pouring temperature is 1650 degrees Celsius, after cast,
Foundry goods is incubated 3 hours in sand mold.
The present invention uses technique scheme to provide the benefit that: (1) is due to the first flange, the second flange and circular filter screen
Correspondence position offer at least two arcuate socket respectively, during installation, bolt only need to pass sequentially through arcuate socket just can be by first
Flange, the second flange and circular filter screen are fixed, it is not necessary to slowly by the installing hole on the first flange, the second flange and circular filter screen
The most slowly align, substantially increase installation effectiveness so that flange is installed and become efficient quick, can effectively accelerate engineering and enter
Degree；(2) due to the second flange, the first flange side is provided with annular contiguous block, outside annular contiguous block, is shaped with external screw thread,
First flange offers the link slot matched with annular contiguous block, and link slot inwall is shaped with and the external screw thread phase of annular contiguous block
The female thread of coupling, first passes through contiguous block when the first flange and the second Flange joint threaded, then is bolted, two
Connected mode cooperates so that the connection of the first flange and the second flange more firm stable, greatly reduces because connecting loosely
Admittedly the problems such as the leakage caused；(3) owing to being provided with circular filter screen between the first flange and the second flange, can filter and stop
Impurity in pipeline and foreign body, as long as periodic cleaning circular filter screen, can effectively prevent line clogging, and clear up and installation side
Just quick, less maintenance cost at ordinary times；(4) it has been covered each by due to the first flange and the second flange opposite side surface
One rubber sealant and the second rubber sealant, fastening bolt and nut and the first flange and the second flange contact side cover respectively
It is stamped the 3rd rubber sealant and the 4th rubber sealant, by the cooperation of four layers of rubber sealant, it is ensured that the sealing of flange
The efficient stable of performance, prevents from revealing at connecting portion at flange；(5) it is coated with rubber due to circular filter screen outer ledge
Sealing ring, further increases the sealing property of flange, coordinates with four layers of rubber sealant so that flange is complete at connecting portion
Hermetically sealed, greatly reduce the probability of leakage；(6) first flange and the of the Ingredient percent casting of the present invention is used
Two flanges, have corrosion-resistant, high temperature resistant, intensity is high and the advantage of length in service life；(7) during raw material melting of the present invention, by scalding
Bag, ladle-to-ladle, spheroidizing reacion, skimming and the cooperation of slag hitting so that raw material melting is more thorough, that can effectively remove in raw material is miscellaneous
Matter, improves casting quality；(8), during raw material melting of the present invention, water-cooled after melting, is used to be combined quickly cooling with air cooling for the first time, after
Carry out second time melting, by quickly cooling and secondary smelting, the impurity in greatly reducing originally, improve final casting
Quality；(9) using low-temperature wax and the machinery cured mould of casting fabrication techniques, prepared model is the most careful；(10) shell is made
During model sand mold, cover the surface placing insulated feeder by EVA adhesive film, can effectively prevent that this surface is contaminated, relative to tradition
The method placing band sword iron plate, is suitable for the rising head of all size by EVA adhesive film, convenient efficiently, cost is lower；(11) make
During shell model sand mold, combined by the method using vacuum drying oven to be dried with natural-wind dry so that shell mould is dried more thorough
The end, is efficient, and the shell mould better quality intensity prepared is higher；(12) use temperature-gradient method baking modes that shell mould is carried out roasting, improve
Roasting quality, reduces the probability of shell mould explosion；(13) the shell mould edge that the present invention uses wire cutting machine step (v) to be prepared is every
The centre of individual arcuate socket is cut so that after casting, can be conveniently stripped, it is not necessary to crush shell mould so that shell mould
Can be used for multiple times, greatly reduce casting cost.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of the efficient sealed flange of the embodiment of the present invention；
Fig. 2 is the structural representation of the first flange of the efficient sealed flange of the embodiment of the present invention；
Wherein: 1-the first pipe joint；2-nut；3-the 4th rubber sealant；4-the first flange；4a-arcuate socket；5-the first rubber
Glue sealant；6-circular filter screen；7-rubber seal ring；8-annular contiguous block；9-the second rubber sealant；10-the second flange；
11-the 3rd rubber sealant；12-fastening bolt；13-second pipe interface.
Detailed description of the invention
Embodiment one
The efficient sealed flange of the present embodiment as illustrated in fig. 1 and 2, including first flange the 4, second flange 10, circular filter screen 6, tight
Fixing bolt 12 and nut 2, the correspondence position of first flange the 4, second flange 10 and circular filter screen 6 offers arcuate socket 4a respectively,
Fastening bolt 12 sequentially passes through the arcuate socket 4a of the first flange 4, circular filter screen 6 and the second flange 10 and threadeds with nut 2；The
Two flanges 10 are provided with annular contiguous block 8 near the first flange 4 side, are shaped with external screw thread, the first flange outside annular contiguous block 8
4 offer the link slot matched with annular contiguous block 8, and the external screw thread that link slot inwall is shaped with annular contiguous block 8 matches
Female thread；First flange 4 and the second flange 10 opposite side surface have been covered each by the first rubber sealant 5 and the second rubber
Sealant 9, fastening bolt 12 and nut 2 contact side with the first flange 4 and the second flange 10, and to be covered each by the 3rd rubber close
Sealing 11 and the 4th rubber sealant 3；Circular filter screen 6 outer ledge is coated with rubber seal ring 7.First flange the 4, second flange
10 and circular filter screen 6 on arcuate socket 4a be respectively four, four arcuate socket 4a are symmetrical arranged two-by-two.First flange 4 and second
The opposing both sides of flange 10 are separately installed with the first pipe joint 1 and second pipe interface 13.
In first flange and the second flange, the mass percent of each composition is: 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%, Pulvis Talci: 0.13%, magnesium oxide: 0.19%,
Copper oxide: 0.36%, ferrum oxide: 0.25%, manganese dioxide: 0.27%, Copper hydrate: 0.15%, hydrated ferric oxide.: 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 sulfate: 0.26%, surplus is Fe；
The casting technique of the first flange and the second flange comprises the following steps:
(i) melting raw material:
A, add raw materials in smelting furnace by the mass percent of composition each in predetermined flange, the temperature in smelting furnace is brought up to
1450 degrees Celsius to 1480 degrees Celsius, raw material is smelted formation alloy solution；
B, being cooled down by alloy solution obtained in the previous step, during cooling, water-cooled is combined with air cooling, first use water-cooled with 22 DEG C/
Alloy solution water-cooled to 450 DEG C is formed alloy by the cooldown rate of s, and then air cooling is to 320 DEG C, then uses water-cooled with 11 DEG C/s's
Cooldown rate by alloy water-cooled to room temperature；
C, heating, the alloy after previous step being cooled down carries out secondary smelting in adding smelting furnace, the temperature in smelting furnace is brought up to
1570 degrees Celsius to 1610 degrees Celsius, alloy is formed alloy solution by secondary smelting；
D, boiling hot bag, pour the alloy solution in smelting furnace into casting ladle, carries out scalding bag；
After e, boiling hot bag, the alloy solution in casting ladle is poured in electric furnace, the temperature in electric furnace is warming up to 1590 degrees Celsius
To 1610 degrees Celsius, heat 14 minutes to 18 minutes, the alloy solution in electric furnace is poured into casting ladle, ladle-to-ladle cooling；
F, ladle-to-ladle after, pour the alloy solution in casting ladle into electric furnace, temperature is down to 1490 degrees Celsius, casting ladle bag cheat in successively
Adding nodulizer and the inovulant of 0.3% of 1.4%, using 6kg sheet metal, steel-sheet thickness is 1mm, covers sheet metal at ball
On agent, inovulant, and consolidate；
G into, the alloy solution in electric furnace is poured the opposite side of casting ladle indent, spheroidizing reacion 70s to 75s, spheroidizing reacion fully after,
Spread the slag agent of one layer of collection, quickly skim；
H, quickly skim after, be sprinkled into swelling perlite powder immediately on alloy solution surface, slag hitting twice, after slag hitting completes, formed
Alloy solution to be cast, was poured in five minutes；
(ii) prepared by wax-pattern: uses low-temperature wax and machinery casting technology, makes wax that is consistent with cast member and that include insulated feeder
Mould, and wax-pattern is repaired, use wax base abluent that wax-pattern is carried out afterwards；
(iii) on the wax-pattern that (ii) step prepares, shell model sand mold is made: this step comprises the steps of
A, wax-pattern place insulated feeder position on, with EVA adhesive film cover place insulated feeder surface, in case this surface is subject to
To polluting；
B, it is coated with the first surface layer at wax pattern surface:
First, preparing serosity at wax pattern surface dip-coating zirconium powder with silica sol binder, the viscosity number of this serosity was at 52～56 seconds；
Then, manually float sand with the zircon sand of 150 mesh at the wax pattern surface through dip-coating serosity, after floating sand, EVA glue should be cleared up
Residual slurry on film and zircon sand；
3rd, the wax-pattern after manually floating sand carries out natural drying, and drying time is 13～15 hours；
C, the wax pattern surface prepared in step B are coated with the second transition zone:
First, in the wax pattern surface dip-coating serosity of Malaysia powder with silica sol binder preparation that step B is prepared, gluing of this serosity
Angle value was at 41～45 seconds；
Then, manually float sand with the Malaysia sand of 65～80 mesh at the wax pattern surface through dip-coating serosity, should clear up after floating sand
Residual slurry in EVA adhesive film and Malaysia sand；
3rd, the wax-pattern after manually floating sand is dried in being put in vacuum drying oven, and the temperature controlled in vacuum drying oven is
45～55 degrees Celsius, the air pressure controlled in vacuum drying oven is 110～130Pa, and drying time is 25～30 hours；
D, the wax pattern surface prepared in step C are coated with the 3rd back-up coat:
First, in the wax pattern surface dip-coating serosity of Malaysia powder with silica sol binder preparation that step C is prepared, gluing of this serosity
Angle value was at 22～25 seconds；
Then, manually float sand with the Malaysia sand of 15～20 mesh at the wax pattern surface through dip-coating serosity, should clear up after floating sand
Residual slurry in EVA adhesive film and Malaysia sand；
3rd, it is dried in wax-pattern is put in vacuum drying oven, the temperature controlled in vacuum drying oven is 58～68 degrees Celsius,
The air pressure controlled in vacuum drying oven is 65～95Pa, and drying time is 12～15 hours；
E, the wax pattern surface prepared in step D are coated with the 4th slurry seal layer:
First, in the wax pattern surface dip-coating serosity of Malaysia powder with silica sol binder preparation that step D is prepared, gluing of this serosity
Angle value was at 8～12 seconds；
Then, the residual slurry in cleaning EVA adhesive film；
3rd, the wax-pattern after manually floating sand is put under the wind speed of 1.1～1.2 meter per seconds and is dried, and drying time is 12～36
Hour；
(iv) dewaxing: using steam dewaxing, the pressure of steam is 0.6MPa, and the time is 18～55 minutes, and should first will protect before dewaxing
Temperature emits the EVA adhesive film of port part and takes off, and prepares shell mould；
(v) shell mould roasting
Use temperature-gradient method baking modes that step shell mould (iv) is carried out roasting, in roasting: first liter 500 degrees Celsius before
Temperature speed controlling is at 100 degrees Celsius/hour, secondly, is incubated 1 hour at 500 degrees Celsius, then, is warmed up to 1050 at full speed Celsius
Degree, and keep 1050 degrees Celsius of half an hours, cooling of finally coming out of the stove；
(vi) the shell mould that (v) step is prepared by employing wire cutting machine cuts along the centre of each arcuate socket；
(vii) fix with adhesive tape after the shell mould of step (vi) well cutting being spliced completely, put in the sandbox by formative technology preparation, and
Seal on this shell mould for the cast gate poured into a mould and insulated feeder with adhesive tape, be then placed in the mixed sand through preparation, pile mixing
Carry out ram-jolt with foundry jolter again after sand, form sand mold；
(viii) the sand mold after step (vii) ram-jolt and sandbox plane are struck off, and prick a core at mould surface at interval of 15cm,
This core is pricked to from model surface 3～5cm；
(ix) pour into a mould
With the hot-air blower of constant temperature 410 degrees Celsius, shell mould being toasted 1 hour, during cast before Jiao Zhu, pouring temperature is 1650 to take the photograph
Family name's degree, after cast, foundry goods is incubated 3 hours in sand mold；
(x) after moulding by casting, carry out the demoulding, every part shell mould is taken off successively, the insulated feeder of excision foundry goods, obtain foundry goods.
Embodiment two
The efficient sealed flange of the present embodiment is essentially identical with embodiment one, and difference is in the first flange and the second flange
The mass percent of each composition is: 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%, Pulvis Talci: 0.15%, magnesium oxide: 0.24%, copper oxide: 0.44%, oxygen
Change ferrum: 0.29%, manganese dioxide: 0.33%, Copper hydrate: 0.17%, hydrated ferric oxide.: 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 sulfate: 0.29%, surplus is Fe.
The present invention is not limited to above-described embodiment.The technical scheme that all employing equivalents are formed, all falls within the present invention and wants
The protection domain asked.
Claims (8)
1. an efficient sealed flange, it is characterised in that: include the first flange, the second flange, circular filter screen, fastening bolt and spiral shell
Mother, the correspondence position of described first flange, the second flange and circular filter screen offers at least two arcuate socket, described fastening respectively
Bolt sequentially passes through the arcuate socket of the first flange, circular filter screen and the second flange and is connected with described nut thread；Described second method
The blue annular contiguous block that is provided with near described first flange side, is shaped with external screw thread outside described annular contiguous block, and described first
Flange offers the link slot matched with described annular contiguous block, and described link slot inwall is shaped with and described annular contiguous block
The female thread that external screw thread matches；Described first flange and the second flange opposite side surface have been covered each by the first rubber seal
Layer and the second rubber sealant, described fastening bolt and nut are covered each by with described first flange and the second flange contact side
There are the 3rd rubber sealant and the 4th rubber sealant；Described circular filter screen outer ledge is coated with rubber seal ring；
In described first flange and the second flange, the mass percent of each composition is: 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%, Pulvis Talci: 0.13-0.16%, oxidation
Magnesium: 0.19-0.25%, copper oxide: 0.35-0.48%, ferrum oxide: 0.24-0.31%, manganese dioxide: 0.26-0.34%, hydrogen
Copper oxide: 0.14-0.18%, hydrated ferric oxide.: 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 sulfate: 0.24-
0.31%, surplus is Fe；
The casting technique of described first flange and the second flange comprises the following steps:
(i) melting raw material:
A, add raw materials in smelting furnace by the mass percent of composition each in predetermined flange, the temperature in smelting furnace is brought up to
1450 degrees Celsius to 1480 degrees Celsius, raw material is smelted formation alloy solution；
B, being cooled down by alloy solution obtained in the previous step, during cooling, water-cooled is combined with air cooling, first uses water-cooled with 20-22
DEG C/alloy solution water-cooled forms alloy to 430-450 DEG C by the cooldown rate of s, then air cooling is to 320-340 DEG C, then uses water
The cold cooldown rate with 11-12 DEG C/s by alloy water-cooled to room temperature；
C, heating, the alloy after previous step being cooled down carries out secondary smelting in adding smelting furnace, the temperature in smelting furnace is brought up to
1570 degrees Celsius to 1610 degrees Celsius, alloy is formed alloy solution by secondary smelting；
D, boiling hot bag, pour the alloy solution in smelting furnace into casting ladle, carries out scalding bag；
After e, boiling hot bag, the alloy solution in casting ladle is poured in electric furnace, the temperature in electric furnace is warming up to 1590 degrees Celsius
To 1610 degrees Celsius, heat 14 minutes to 18 minutes, the alloy solution in electric furnace is poured into casting ladle, ladle-to-ladle cooling；
F, ladle-to-ladle after, pour the alloy solution in casting ladle into electric furnace, temperature is down to 1480 to 1510 degrees Celsius, casting ladle bag cheat
In be sequentially added into the nodulizer of 1.4% to 1.5% and the inovulant of 0.2% to 0.3%, with 5 to 6kg sheet metal, steel-sheet thickness
For 0.5mm to 1mm, sheet metal is covered on nodulizer, inovulant, and consolidates；
G into, the alloy solution in electric furnace is poured the opposite side of casting ladle indent, spheroidizing reacion 70s to 75s, spheroidizing reacion fully after,
Spread the slag agent of one layer of collection, quickly skim；
H, quickly skim after, be sprinkled into swelling perlite powder immediately on alloy solution surface, slag hitting twice, after slag hitting completes, formed
Alloy solution to be cast, was poured in five minutes；
(ii) prepared by wax-pattern: uses low-temperature wax and machinery casting technology, makes wax that is consistent with cast member and that include insulated feeder
Mould, and wax-pattern is repaired, use wax base abluent that wax-pattern is carried out afterwards；
(iii) on the wax-pattern that (ii) step prepares, shell model sand mold is made: this step comprises the steps of
A, wax-pattern place insulated feeder position on, with EVA adhesive film cover place insulated feeder surface, in case this surface is subject to
To polluting；
B, it is coated with the first surface layer at wax pattern surface:
First, preparing serosity at wax pattern surface dip-coating zirconium powder with silica sol binder, the viscosity number of this serosity was at 52～56 seconds；
Then, manually float sand with the zircon sand of 150 mesh at the wax pattern surface through dip-coating serosity, should clear up described after floating sand
Residual slurry in EVA adhesive film and zircon sand；
3rd, the wax-pattern after manually floating sand carries out natural drying, and drying time is 13～15 hours；
C, the wax pattern surface prepared in step B are coated with the second transition zone:
First, in the wax pattern surface dip-coating serosity of Malaysia powder with silica sol binder preparation that step B is prepared, gluing of this serosity
Angle value was at 41～45 seconds；
Then, manually float sand with the Malaysia sand of 65～80 mesh at the wax pattern surface through dip-coating serosity, should clear up after floating sand
Residual slurry in described EVA adhesive film and Malaysia sand；
3rd, the wax-pattern after manually floating sand is dried in being put in vacuum drying oven, and the temperature controlled in vacuum drying oven is
45～55 degrees Celsius, the air pressure controlled in vacuum drying oven is 110～130Pa, and drying time is 25～30 hours；
D, the wax pattern surface prepared in step C are coated with the 3rd back-up coat:
First, in the wax pattern surface dip-coating serosity of Malaysia powder with silica sol binder preparation that step C is prepared, gluing of this serosity
Angle value was at 22～25 seconds；
Then, manually float sand with the Malaysia sand of 15～20 mesh at the wax pattern surface through dip-coating serosity, should clear up after floating sand
Residual slurry in described EVA adhesive film and Malaysia sand；
3rd, it is dried in wax-pattern is put in vacuum drying oven, the temperature controlled in vacuum drying oven is 58～68 degrees Celsius,
The air pressure controlled in vacuum drying oven is 65～95Pa, and drying time is 12～15 hours；
E, the wax pattern surface prepared in step D are coated with the 4th slurry seal layer:
First, in the wax pattern surface dip-coating serosity of Malaysia powder with silica sol binder preparation that step D is prepared, gluing of this serosity
Angle value was at 8～12 seconds；
Then, the residual slurry in described EVA adhesive film is cleared up；
3rd, the wax-pattern after manually floating sand is put under the wind speed of 1.1～1.2 meter per seconds and is dried, and drying time is 12～36
Hour；
(iv) dewaxing: using steam dewaxing, the pressure of steam is 0.6MPa, and the time is 18～55 minutes, and should first will protect before dewaxing
Temperature emits the EVA adhesive film of port part and takes off, and prepares shell mould；
(v) shell mould roasting
Use temperature-gradient method baking modes that step shell mould (iv) is carried out roasting, in roasting: first liter 500 degrees Celsius before
Temperature speed controlling is at 100 degrees Celsius/hour, secondly, is incubated 1 hour at 500 degrees Celsius, then, is warmed up to 1050 at full speed Celsius
Degree, and keep 1050 degrees Celsius of half an hours, cooling of finally coming out of the stove；
(vi) the shell mould that (v) step is prepared by employing wire cutting machine cuts along the centre of each arcuate socket；
(vii) fix with adhesive tape after the shell mould of step (vi) well cutting being spliced completely, put in the sandbox by formative technology preparation, and
Seal on this shell mould for the cast gate poured into a mould and insulated feeder with adhesive tape, be then placed in the mixed sand through preparation, pile mixing
Carry out ram-jolt with foundry jolter again after sand, form sand mold；
(viii) the sand mold after step (vii) ram-jolt and sandbox plane are struck off, and prick a core at mould surface at interval of 15cm,
This core is pricked to from model surface 3～5cm；
(ix) pour into a mould
With the hot-air blower of constant temperature 400～420 degrees Celsius, shell mould being toasted 1 hour, during cast before Jiao Zhu, pouring temperature is
1550～1650 degrees Celsius, after cast, foundry goods is incubated 2～3 hours in sand mold；
(x) after moulding by casting, carry out the demoulding, every part shell mould is taken off successively, the insulated feeder of excision foundry goods, obtain foundry goods.
Efficient sealed flange the most according to claim 1, it is characterised in that: described first flange, the second flange and circle
Arcuate socket on filter screen is respectively four, and described four arcuate sockets are symmetrical arranged two-by-two.
Efficient sealed flange the most according to claim 2, it is characterised in that: described first flange and the second flange are opposing
Both sides are separately installed with pipe joint.
Efficient sealed flange the most according to claim 3, it is characterised in that: described first flange and the second flange respectively become
The mass percent divided is: 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%, Pulvis Talci: 0.13%, magnesium oxide: 0.19%, copper oxide: 0.36%, ferrum oxide:
0.25%, manganese dioxide: 0.27%, Copper hydrate: 0.15%, hydrated ferric oxide.: 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 sulfate: 0.26%, surplus is Fe.
Efficient sealed flange the most according to claim 3, it is characterised in that: described first flange and the second flange respectively become
The mass percent divided is: 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%, Pulvis Talci: 0.15%, magnesium oxide: 0.24%, copper oxide: 0.44%, ferrum oxide:
0.29%, manganese dioxide: 0.33%, Copper hydrate: 0.17%, hydrated ferric oxide.: 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 sulfate: 0.29%, surplus is Fe.
6. according to the efficient sealed flange described in any claim of claim 1-5, it is characterised in that: described first flange
With the step of the casting technique of the second flange (i) in: b, alloy solution obtained in the previous step is cooled down, water-cooled during cooling
Be combined with air cooling, first use water-cooled, with the cooldown rate of 22 DEG C/s, alloy solution water-cooled to 450 DEG C is formed alloy, then air cooling
To 320 DEG C, then use water-cooled with the cooldown rate of 11 DEG C/s by alloy water-cooled to room temperature.
7. according to the efficient sealed flange described in any claim of claim 1-5, it is characterised in that: described first flange
With the step of the casting technique of the second flange (i) in: f, ladle-to-ladle after, pour the alloy solution in casting ladle into electric furnace, temperature is down to
1490 degrees Celsius, in the bag hole of casting ladle, it is sequentially added into the nodulizer of 1.4% and the inovulant of 0.3%, uses 6kg sheet metal, Bao Gang
The thickness of plate is 1mm, is covered on nodulizer, inovulant by sheet metal, and consolidates.
8. according to the efficient sealed flange described in any claim of claim 1-5, it is characterised in that: described first flange
With the step of the casting technique of the second flange (ix) in, with the hot-air blower of constant temperature 410 degrees Celsius, shell mould is toasted 1 before cast little
Time, during cast, pouring temperature is 1650 degrees Celsius, and after cast, foundry goods is incubated 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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Cited By (10)
| 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 |
| 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 |
| 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 |
| CN107574760A (en) * | 2017-09-30 | 2018-01-12 | 中铁大桥局第七工程有限公司 | Assembled displacement steel pipe column coupling bar and its installation method |
| CN107676478A (en) * | 2017-11-17 | 2018-02-09 | 东台市富康机械有限公司 | Hydraulic pressure handling machinery alternating expression seal |
| 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 |
| 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 |
| CN112769312A (en) * | 2020-12-30 | 2021-05-07 | 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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| CN101104201A (en) * | 2006-07-10 | 2008-01-16 | 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 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107574760A (en) * | 2017-09-30 | 2018-01-12 | 中铁大桥局第七工程有限公司 | Assembled displacement steel pipe column coupling bar and its installation method |
| 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 |
| CN107676478A (en) * | 2017-11-17 | 2018-02-09 | 东台市富康机械有限公司 | Hydraulic pressure handling machinery alternating expression seal |
| 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 |
| CN112769312A (en) * | 2020-12-30 | 2021-05-07 | 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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