CN106735755A - A kind of bobbin carriage pine lining structure and preparation method thereof - Google Patents
A kind of bobbin carriage pine lining structure and preparation method thereof Download PDFInfo
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- CN106735755A CN106735755A CN201611152271.4A CN201611152271A CN106735755A CN 106735755 A CN106735755 A CN 106735755A CN 201611152271 A CN201611152271 A CN 201611152271A CN 106735755 A CN106735755 A CN 106735755A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
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Abstract
The invention provides a kind of bobbin carriage pine lining structure, including cylinder, end socket and flange, the end socket and cylinder are made of composite plate, the flange is steel flange, the flange inner wall is sticked and has lining, the flange top is provided with weld-ring, protective cover plate is provided with the inside of the welded seam of the inner side of the welded seam of end socket and cylinder and cylinder and flange, leak hunting aperture is offered at the welded seam of end socket and cylinder and at the welded seam of cylinder and flange, each leak hunting aperture is connected with leak detection mouth, the lining, weld-ring and protective cover plate are rare metal material.Present invention also offers a kind of method for preparing bobbin carriage pine lining structure.Bobbin carriage pine lining structure of the present invention can effectively prevent the failure of rare metal and composite construction equipment rare metal lining in actual motion of steel.
Description
Technical field
The invention belongs to composite board equipment manufacturing technology field, and in particular to a kind of bobbin carriage pine lining structure and its making side
Method.
Background technology
The rare metals such as titanium, zirconium, tantalum, niobium and its alloy are due to its excellent corrosion resistance in the media such as many acid, alkali
Can, using more and more extensive in the fields such as petrochemical industry.But because the rare metals such as titanium, zirconium, tantalum are relatively costly, large area is pushed away
When extensively using, for reduces cost, petrochemical equipment generally uses titanium/steel, zirconium/steel, the composite construction form of tantalum/steel, this
Sample can both meet corrosion resistance requirement, can also equally meet strength demand.
Cylinder, end socket in the composite construction equipment of titanium, zirconium, tantalum, niobium and its alloy and steel use composite plate sheet material, steel
The composite cost and compound difficulty of the rare metals such as flange and titanium, zirconium, tantalum, niobium and its alloy are higher, generally using loose lining structure.
The pure titanium wire coefficient of expansion is 8.2 × 10-6K-1, pure zirconium is 6.1 × 10-6K-1, pure tantalum is 6.5 × 10-6K-1, pure niobium is 7.1 × 10- 6K-1, steel is 12.32 × 10-6K-1, the thermal expansion difference of titanium, zirconium, tantalum, niobium and its alloy and steel is larger.Pine serves as a contrast at normal temperatures
The rare metal lining such as titanium, zirconium, tantalum, niobium and its alloy, in applied at elevated temperature, because thermal expansion is of different sizes, with steel flange
Between produce larger gap, if medium flow velocity is uneven in equipment, easily cause the vibrations of lining, tired is caused to lining weld seam
Labor fails.
The content of the invention
The technical problems to be solved by the invention are for above-mentioned the deficiencies in the prior art, there is provided a kind of bobbin carriage pine
Lining structure.The structure can effectively prevent the composite construction equipment of the rare metals such as titanium, zirconium, tantalum, niobium and its alloy and steel in reality
The failure of rare metal lining in the operation of border.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of bobbin carriage pine lining structure, its feature exists
In, including both ends open circular cylinder body, be welded on the end socket of cylinder one end and be welded on the flange of the cylinder other end, the envelope
Head and cylinder are made of the composite plate being composited by rare metal and steel plate, and the flange is steel flange, the flange
Inwall is sticked lining, and flange top is provided with weld-ring, and being provided with first on the inside of the welded seam of end socket and cylinder prevents
It is provided with the second protective cover plate on the inside of the welded seam of protecting cover plate, cylinder and flange, is opened at the welded seam of end socket and cylinder
It is provided with the first leak hunting aperture, first leak hunting aperture is connected with the first leak detection mouth, the is offered at the welded seam of cylinder and flange
Two leak hunting apertures, second leak hunting aperture is connected with the second leak detection mouth, the lining, weld-ring, the first protective cover plate and the second protection
Cover plate is rare metal material.
Above-mentioned a kind of bobbin carriage pine lining structure, it is characterised in that the flange inner wall is provided with toroidal cavity, the groove
Packing ring is inside provided with, the packing ring is rare metal material.
A kind of above-mentioned bobbin carriage pine lining structure, it is characterised in that the rare metal be titanium, titanium alloy, zirconium, zircaloy,
Tantalum, tantalum alloy, niobium or niobium alloy.
In addition, present invention also offers a kind of preparation method of above-mentioned bobbin carriage pine lining structure, it is characterised in that the method bag
Include following steps：
Step one, by end socket, cylinder and flange group pair, group welds end socket to finishing and after detecting that wrong variable meets and requires
Cylinder one end is connected on, by flange welding in the cylinder other end；
Step 2, by electrical heating crawler belt uniform winding on flange outer wall, it is then using heat-preservation cotton that electrical heating crawler belt is tight
Close cladding, connects the power supply of electrical heating crawler belt afterwards, and flange is heated using electrical heating crawler belt, flange inner surface is heated up
To 220~250 DEG C；
Step 3, after flange inner surface temperature be 220~250 DEG C under conditions of keep 0.5h after, by temperature be 20 DEG C
~30 DEG C of lining is sticked to flange inner wall；
Step 4, the power supply for breaking electrical heating crawler belt, remove heat-preservation cotton and electrical heating crawler belt, stand cooling, treat in flange
After the temperature on surface is down to room temperature, weld-ring is grouping with lining and flange；
Step 5, the first leak hunting aperture is drilled with the welded seam of cylinder and end socket, the then group weldering at the first leak hunting aperture
First leak detection mouth, the second leak hunting aperture is drilled with the welded seam of cylinder and flange, the then group weldering second at the second leak hunting aperture
Leak detection mouth；
Argon gas is filled with step 6, mouth of being hunted leak to the first leak detection mouth or/and second, then the first protective cover plate is welded on
The welded seam inner side of end socket and cylinder, the second protective cover plate is welded on the welded seam inner side of cylinder and flange, by weld-ring
With lining welding, bobbin carriage pine lining structure is finally given.
Above-mentioned method, it is characterised in that the quality purity of argon gas described in step 6 is not less than 99.99%.
The present invention has advantages below compared with prior art：
1st, the present invention can effectively prevent failure of the rare metal lining weld seam during equipment use.
2nd, mode of heating of the invention uses electrical heating, simple and convenient, easily controllable.
3rd, the steel adapter the present disclosure applies equally to composite board equipment and assembling, the other kinds of lining of rare metal bushing pipe
The assembling of cylinder or bushing pipe.
The present invention is described in further detail with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is bobbin carriage of the present invention pine lining structure schematic diagram.
Fig. 2 is the electrical heating state diagram of end socket of the present invention, cylinder and flange welding part.
Description of reference numerals：
1-end socket；2-cylinder；3-flange；
4-electrical heating crawler belt；5-heat-preservation cotton；6-packing ring；
7-lining；8-1-the first protective cover plate；8-2-the second protective cover plate；
9-weld-ring；10-1-the first leak detection mouth；10-2-the second leak detection mouth.
Specific embodiment
Bobbin carriage pine lining structure of the present invention is described by embodiment 1.
Embodiment 1
A kind of bobbin carriage pine lining structure as shown in Figure 1, including both ends open circular cylinder body 2, be welded on the one end of cylinder 2
End socket 1 and the flange 3 for being welded on the other end of cylinder 2, the end socket 1 and cylinder 2 are using compound by rare metal and steel plate
Into composite plate be made, the flange 3 is steel flange, and the inwall of the flange 3 is sticked lining 7, and the top of the flange 3 is provided with
The first protective cover plate 8-1, the welding weldering of cylinder 2 and flange 3 are provided with the inside of the welded seam of weld-ring 9, end socket 1 and cylinder 2
It is provided with the second protective cover plate 8-2 on the inside of seam, the first leak hunting aperture, described is offered at the welded seam of end socket 1 and cylinder 2
One leak hunting aperture is connected with the first leak detection mouth 10-1, offers the second leak hunting aperture at the welded seam of cylinder 2 and flange 3, and described the
Two leak hunting apertures are connected with the second leak detection mouth 10-2, the lining 7, weld-ring 9, the first protective cover plate 8-1 and the second protective cover plate 8-2
It is rare metal material.
As shown in figure 1, the inwall of the flange 3 is provided with toroidal cavity, packing ring 6, the packing ring 6 are provided with the groove
It is rare metal material.
Above-mentioned rare metal, refers to titanium, titanium alloy, zirconium, zircaloy, tantalum, tantalum alloy, niobium or niobium alloy.The titanium bag
Include TA1-3 etc., titanium alloy including TA5-8, TC1-10, TB1-2 etc., zirconium including Zr0, Zr1, Zr3 etc., zircaloy include Zr2,
Zr4, Zr5 etc., tantalum including Ta1-2, FTa1-2 etc., tantalum alloy include TaNb3, TaNb20, TaNb40, TaW2.5, TaW10,
TaW12 etc., including Nb1-2, FNb1-2 etc., niobium alloy is including NbZr1-2, NbHf10-1 etc. for niobium.
The preparation method of bobbin carriage pine lining structure of the present invention is described by embodiment 2 to embodiment 9.
Embodiment 2
The preparation method of the present embodiment bobbin carriage pine lining structure is comprised the following steps：
Step one, by end socket 1, (material is：Titanium steel composite board, wherein titanium cladding thickness 3mm, specification is：Internal diameter 600mm,
Thickness 18mm), (material is for cylinder 2 (material is titanium steel composite board) and flange 3：Steel, specification is：Internal diameter 606mm) organize it is right, organize it is right
After finishing and detecting the requirement that wrong variable meets " wrong variable≤1.5mm ", end socket 1 is welded on the one end of cylinder 2, flange 3 is welded
It is connected on the other end of cylinder 2；
100%RT Non-Destructive Testings are carried out after welding, after testing, welding meets NB/T47013.2-2015I grades or II grades conjunction
Lattice；
Step 2, by the uniform winding of electrical heating crawler belt 4 on the outer wall of flange 3, then using heat-preservation cotton 5 by electrical heating crawler belt
4 tight claddings, connect the power supply of electrical heating crawler belt 4 afterwards, and flange 3 is heated using electrical heating crawler belt 4, make in flange 3
Surface is warming up to 220~250 DEG C；
Step 3, after the inner surface of flange 3 temperature be 220~250 DEG C under conditions of keep 0.5h after, by temperature be 20 DEG C
(material is~30 DEG C of lining 7：Titanium, specification is：External diameter 608mm, thickness 3mm) inwall of flange 3 is sticked to, then by packing ring 6
(material is：Titanium) it is placed into the groove of the inner surface of steel flange 3；
Step 4, the power supply for breaking electrical heating crawler belt 4, remove heat-preservation cotton 5 and electrical heating crawler belt 4, stand cooling, treat flange
After the temperature of 3 inner surfaces is down to room temperature, weld-ring 9 is grouping with lining 7 and flange 3；
Step 5, at the welded seam of cylinder 2 and end socket 1 the first leak hunting aperture is drilled with, then the group at the first leak hunting aperture
The leak detection mouth 10-1 of weldering first, is drilled with the second leak hunting aperture, then at the second leak hunting aperture at the welded seam of cylinder 2 and flange 3
The second leak detection mouth of group weldering 10-2；
Quality purity is filled with step 6, the mouth 10-2 that hunted leak to the first leak detection mouth 10-1 or/and second be not less than 99.99%
Argon gas, then the first protective cover plate 8-1 is welded on the welded seam inner side of end socket 1 and cylinder 2, by the second protective cover plate 8-
The 2 welded seam inner sides for being welded on cylinder 2 and flange 3, weld-ring 9 is welded with lining 7, and the lossless inspections of 100%PT are carried out after welding
Survey, welding meet NB/T47013.5-2015I grade it is qualified, finally give the loose lining structure of bobbin carriage.
Embodiment 3
The preparation method of the present embodiment bobbin carriage pine lining structure is only that with the difference part of embodiment 2：It is all by composite plate
In the part being made, the cladding of its rare metal material by titanium replace with titanium alloy, tantalum, tantalum alloy, zirconium, zircaloy, niobium or
Niobium alloy.In the part of all rare metal materials, its material by titanium replace with titanium alloy, tantalum, tantalum alloy, zirconium, zircaloy,
Niobium or niobium alloy.
Embodiment 4
The preparation method of the present embodiment bobbin carriage pine lining structure is comprised the following steps：
Step one, by end socket 1, (material is：Zirconium clad steel plate, wherein zirconium cladding thickness 3mm, specification is：Internal diameter 1500mm,
Thickness 23mm), (material is for cylinder 2 (material is zirconium clad steel plate) and flange 3：Steel, specification is：Internal diameter 1506mm) organize right, group
To finishing and after detecting the requirement that wrong variable meets " wrong variable≤1.5mm ", end socket 1 is welded on the one end of cylinder 2, by flange 3
It is welded on the other end of cylinder 2；100%RT Non-Destructive Testings are carried out after welding, after testing, welding meets NB/T47013.2-2015I
Level or II grades it is qualified；
Step 2, by the uniform winding of electrical heating crawler belt 4 on the outer wall of flange 3, then using heat-preservation cotton 5 by electrical heating crawler belt
4 tight claddings, connect the power supply of electrical heating crawler belt 4 afterwards, and flange 3 is heated using electrical heating crawler belt 4, make in flange 3
Surface is warming up to 220~250 DEG C；
Step 3, after the inner surface of flange 3 temperature be 220~250 DEG C under conditions of keep 0.5h after, by temperature be 20 DEG C
(material is~30 DEG C of lining 7：Zirconium, specification is：External diameter 1510mm, thickness 3mm) inwall of flange 3 is sticked to, then by packing ring 6
(material is：Zirconium) it is placed into the groove of the inner surface of steel flange 3；
Step 4, the power supply for breaking electrical heating crawler belt 4, remove heat-preservation cotton 5 and electrical heating crawler belt 4, stand cooling, treat flange
After the temperature of 3 inner surfaces is down to room temperature, weld-ring 9 is grouping with lining 7 and flange 3；
Step 5, at the welded seam of cylinder 2 and end socket 1 the first leak hunting aperture is drilled with, then the group at the first leak hunting aperture
The leak detection mouth 10-1 of weldering first, is drilled with the second leak hunting aperture, then at the second leak hunting aperture at the welded seam of cylinder 2 and flange 3
The second leak detection mouth of group weldering 10-2；
Quality purity is filled with step 6, the mouth 10-2 that hunted leak to the first leak detection mouth 10-1 or/and second be not less than 99.99%
Argon gas, then the first protective cover plate 8-1 is welded on the welded seam inner side of end socket 1 and cylinder 2, by the second protective cover plate 8-
The 2 welded seam inner sides for being welded on cylinder 2 and flange 3, weld-ring 9 is welded with lining 7, and the lossless inspections of 100%PT are carried out after welding
Survey, welding meet NB/T47013.5-2015I grade it is qualified, finally give the loose lining structure of bobbin carriage.
Embodiment 5
The preparation method of the present embodiment bobbin carriage pine lining structure is only that with the difference part of embodiment 4：It is all by composite plate
In the part being made, the cladding of its rare metal material by zirconium replace with titanium, titanium alloy, tantalum, tantalum alloy, zircaloy, niobium or
Niobium alloy.In the part of all rare metal materials, its material by zirconium replace with titanium, titanium alloy, tantalum, tantalum alloy, zircaloy,
Niobium or niobium alloy.
Embodiment 6
The preparation method of the present embodiment bobbin carriage pine lining structure is comprised the following steps：
Step one, by end socket 1, (material is：Tantalum steel composite board, wherein tantalum cladding thickness 3mm, specification is：Internal diameter 600mm,
Thickness 18mm), (material is for cylinder 2 (material be tantalum steel composite board) and flange 3：Steel, specification is：Internal diameter 606mm) organize it is right, organize it is right
After finishing and detecting the requirement that wrong variable meets " wrong variable≤1.5mm ", end socket 1 is welded on the one end of cylinder 2, flange 3 is welded
It is connected on the other end of cylinder 2；100%RT Non-Destructive Testings are carried out after welding, after testing, welding meets NB/T47013.2-2015I grades
Or II grades qualified；
Step 2, by the uniform winding of electrical heating crawler belt 4 on the outer wall of flange 3, then using heat-preservation cotton 5 by electrical heating crawler belt
4 tight claddings, connect the power supply of electrical heating crawler belt 4 afterwards, and flange 3 is heated using electrical heating crawler belt 4, make in flange 3
Surface is warming up to 220~250 DEG C；
Step 3, after the inner surface of flange 3 temperature be 220~250 DEG C under conditions of keep 0.5h after, by temperature be 20 DEG C
(material is~30 DEG C of lining 7：Tantalum, specification is：External diameter 608mm, thickness 3mm) inwall of flange 3 is sticked to, then by packing ring 6
(material is：Tantalum) it is placed into the groove of the inner surface of steel flange 3；
Step 4, the power supply for breaking electrical heating crawler belt 4, remove heat-preservation cotton 5 and electrical heating crawler belt 4, stand cooling, treat flange
After the temperature of 3 inner surfaces is down to room temperature, weld-ring 9 is grouping with lining 7 and flange 3；
Step 5, at the welded seam of cylinder 2 and end socket 1 the first leak hunting aperture is drilled with, then the group at the first leak hunting aperture
The leak detection mouth 10-1 of weldering first, is drilled with the second leak hunting aperture, then at the second leak hunting aperture at the welded seam of cylinder 2 and flange 3
The second leak detection mouth of group weldering 10-2；
Quality purity is filled with step 6, the mouth 10-2 that hunted leak to the first leak detection mouth 10-1 or/and second be not less than 99.99%
Argon gas, then the first protective cover plate 8-1 is welded on the welded seam inner side of end socket 1 and cylinder 2, by the second protective cover plate 8-
The 2 welded seam inner sides for being welded on cylinder 2 and flange 3, weld-ring 9 is welded with lining 7, and the lossless inspections of 100%PT are carried out after welding
Survey, welding meet NB/T47013.5-2015I grade it is qualified, finally give the loose lining structure of bobbin carriage.
Embodiment 7
The preparation method of the present embodiment bobbin carriage pine lining structure is only that with the difference part of embodiment 6：It is all by composite plate
In the part being made, the cladding of its rare metal material by tantalum replace with titanium, titanium alloy, tantalum alloy, zirconium, zircaloy, niobium or
Niobium alloy.In the part of all rare metal materials, its material replaces with titanium alloy, tantalum alloy, zirconium, zircaloy, niobium by tantalum
Or niobium alloy.
Embodiment 8
The preparation method of the present embodiment bobbin carriage pine lining structure is comprised the following steps：
Step one, by end socket 1, (material is：Niobium steel composite board, wherein niobium cladding thickness 3mm, specification is：Internal diameter 1500mm,
Thickness 23mm), (material is for cylinder 2 (material be niobium steel composite board) and flange 3：Steel, specification is：Internal diameter 1506mm) organize right, group
To finishing and after detecting the requirement that wrong variable meets " wrong variable≤1.5mm ", end socket 1 is welded on the one end of cylinder 2, by flange 3
It is welded on the other end of cylinder 2；100%RT Non-Destructive Testings are carried out after welding, after testing, welding meets NB/T47013.2-2015I
Level or II grades it is qualified；
Step 2, by the uniform winding of electrical heating crawler belt 4 on the outer wall of flange 3, then using heat-preservation cotton 5 by electrical heating crawler belt
4 tight claddings, connect the power supply of electrical heating crawler belt 4 afterwards, and flange 3 is heated using electrical heating crawler belt 4, make in flange 3
Surface is warming up to 220~250 DEG C；
Step 3, after the inner surface of flange 3 temperature be 220~250 DEG C under conditions of keep 0.5h after, by temperature be 20 DEG C
(material is~30 DEG C of lining 7：Niobium, specification is：External diameter 1508mm, thickness 3mm) inwall of flange 3 is sticked to, then by packing ring 6
(material is：Niobium) it is placed into the groove of the inner surface of steel flange 3；
Step 4, the power supply for breaking electrical heating crawler belt 4, remove heat-preservation cotton 5 and electrical heating crawler belt 4, stand cooling, treat flange
After the temperature of 3 inner surfaces is down to room temperature, weld-ring 9 is grouping with lining 7 and flange 3；
Step 5, at the welded seam of cylinder 2 and end socket 1 the first leak hunting aperture is drilled with, then the group at the first leak hunting aperture
The leak detection mouth 10-1 of weldering first, is drilled with the second leak hunting aperture, then at the second leak hunting aperture at the welded seam of cylinder 2 and flange 3
The second leak detection mouth of group weldering 10-2；
Quality purity is filled with step 6, the mouth 10-2 that hunted leak to the first leak detection mouth 10-1 or/and second be not less than 99.99%
Argon gas, then the first protective cover plate 8-1 is welded on the welded seam inner side of end socket 1 and cylinder 2, by the second protective cover plate 8-
The 2 welded seam inner sides for being welded on cylinder 2 and flange 3, weld-ring 9 is welded with lining 7, and the lossless inspections of 100%PT are carried out after welding
Survey, welding meet NB/T47013.5-2015I grade it is qualified, finally give the loose lining structure of bobbin carriage.
Embodiment 9
The preparation method of the present embodiment bobbin carriage pine lining structure is only that with the difference part of embodiment 8：It is all by composite plate
In the part being made, the cladding of its rare metal material by niobium replace with titanium, titanium alloy, tantalum, tantalum alloy, zirconium, zircaloy or
Niobium alloy.In the part of all rare metal materials, its material replaces with titanium, titanium alloy, tantalum, tantalum alloy, zirconium, zirconium and closes by niobium
Gold or niobium alloy.
Bobbin carriage of the present invention pine lining structure can effectively prevent answering for the rare metals such as titanium, zirconium, tantalum, niobium and its alloy and steel
Close the failure of structural device rare metal lining in actual motion.
The above, is only presently preferred embodiments of the present invention, and not the present invention is imposed any restrictions.It is every according to invention skill
Any simple modification, change and equivalence change that art is substantially made to above example, still fall within technical solution of the present invention
Protection domain in.
Claims (5)
1. a kind of bobbin carriage pine lining structure, it is characterised in that the circular cylinder body (2) including both ends open, be welded on cylinder (2) one end
End socket (1) and be welded on the flange (3) of cylinder (2) other end, the end socket (1) and cylinder (2) are used by rare metal
It is made with the composite plate that steel plate is composited, the flange (3) is steel flange, flange (3) inwall is sticked and has lining (7),
The flange (3) top is provided with weld-ring (9), and the first protective cover is provided with the inside of the welded seam of end socket (1) and cylinder (2)
The second protective cover plate (8-2), end socket (1) and cylinder are provided with the inside of the welded seam of plate (8-1), cylinder (2) and flange (3)
(2) the first leak hunting aperture is offered at welded seam, first leak hunting aperture is connected with the first leak detection mouth (10-1), cylinder (2)
With offer the second leak hunting aperture at the welded seam of flange (3), second leak hunting aperture is connected with the second leak detection mouth (10-2), institute
State lining (7), weld-ring (9), the first protective cover plate (8-1) and the second protective cover plate (8-2) and be rare metal material.
2. a kind of bobbin carriage pine lining structure according to claim 1, it is characterised in that flange (3) inwall is provided with annulus
Connected in star, is provided with packing ring (6) in the groove, the packing ring (6) is rare metal material.
3. a kind of bobbin carriage pine lining structure according to claim 1 and 2, it is characterised in that the rare metal is that titanium, titanium are closed
Gold, zirconium, zircaloy, tantalum, tantalum alloy, niobium or niobium alloy.
4. a kind of preparation method of bobbin carriage as claimed in claim 1 or 2 pine lining structure, it is characterised in that the method includes following
Step：
Step one, end socket (1), cylinder (2) and flange (3) are organized right, group will be sealed to finishing and after detecting that wrong variable meets and requires
Head (1) is welded on cylinder (2) one end, and flange (3) is welded on into cylinder (2) other end；
Step 2, by electrical heating crawler belt (4) uniform winding on flange (3) outer wall, electrical heating is carried out using heat-preservation cotton (5) then
Band (4) is tightly coated, and the power supply of electrical heating crawler belt (4) is connected afterwards, and flange (3) is heated using electrical heating crawler belt (4),
Flange (3) inner surface is set to be warming up to 220~250 DEG C；
Step 3, after flange (3) inner surface temperature be 220~250 DEG C under conditions of keep 0.5h after, by temperature be 20 DEG C~
30 DEG C of lining (7) is sticked to flange (3) inwall；
Step 4, the power supply for breaking electrical heating crawler belt (4), remove heat-preservation cotton (5) and electrical heating crawler belt (4), stand cooling, treat method
After the temperature of blue (3) inner surface is down to room temperature, weld-ring (9) is grouping with lining (7) and flange (3)；
Step 5, at the welded seam of cylinder (2) and end socket (1) the first leak hunting aperture is drilled with, then the group at the first leak hunting aperture
Leak detection mouth of weldering first (10-1), the second leak hunting aperture is drilled with the welded seam of cylinder (2) and flange (3), then in the second inspection
Leak detection mouth (10-2) of group weldering second at small opening；
Argon gas is filled with step 6, mouth (10-2) of being hunted leak to the first leak detection mouth (10-1) or/and second, then by the first protective cover
Plate (8-1) is welded on the welded seam inner side of end socket (1) and cylinder (2), and the second protective cover plate (8-2) is welded on into cylinder (2)
With the welded seam inner side of flange (3), weld-ring (9) and lining (7) are welded, finally give bobbin carriage pine lining structure.
5. method according to claim 4, it is characterised in that the quality purity of argon gas described in step 6 is not less than
99.99%.
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| CN110553522A (en) * | 2018-06-04 | 2019-12-10 | 杨万鹏 | Heat exchanger with loose lining structure |
| CN112548388A (en) * | 2020-12-01 | 2021-03-26 | 湖南省特种设备检验检测研究院湘潭分院 | Welding method for thick-wall composite plate and small-diameter pipe of container |
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| CN106735755B (en) | 2019-02-26 |
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