CN103537871B - The processing method of vertical extruding ultrahigh pressure vessel cylindrical shell - Google Patents

The processing method of vertical extruding ultrahigh pressure vessel cylindrical shell Download PDF

Info

Publication number
CN103537871B
CN103537871B CN201310444988.6A CN201310444988A CN103537871B CN 103537871 B CN103537871 B CN 103537871B CN 201310444988 A CN201310444988 A CN 201310444988A CN 103537871 B CN103537871 B CN 103537871B
Authority
CN
China
Prior art keywords
cylindrical shell
pressure vessel
blank
heating
glass dust
Prior art date
Application number
CN201310444988.6A
Other languages
Chinese (zh)
Other versions
CN103537871A (en
Inventor
马荣青
许锐冰
胡永平
周仲成
王晓军
刘海江
胡志林
王燕玲
梁宏亮
安富国
Original Assignee
内蒙古北方重工业集团有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 内蒙古北方重工业集团有限公司 filed Critical 内蒙古北方重工业集团有限公司
Priority to CN201310444988.6A priority Critical patent/CN103537871B/en
Publication of CN103537871A publication Critical patent/CN103537871A/en
Application granted granted Critical
Publication of CN103537871B publication Critical patent/CN103537871B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Abstract

The present invention is the processing method vertically extruding ultrahigh pressure vessel cylindrical shell, belongs to pressure vessel manufacturing field.The inventive method is as follows: to manufacture ultrahigh pressure vessel cylindrical shell Heating Steel Ingots; Steel ingot after heating carries out the oxide skin that high-pressure water descaling removes surface of steel ingot; Surface of steel ingot after high-pressure water descaling carries out glass dust lubrication; Punching blank is made to the steel ingot blank machine after glass dust lubrication; End face hot repair mould is carried out to punching blank; Stove heating is returned to the punching blank after hot repair mould; Punching blank after heating carries out high-pressure water descaling; Punching blank surface after high-pressure water descaling carries out glass dust lubrication; Ultrahigh pressure vessel cylindrical shell is extruded into the punching blank vertical extruder after glass dust lubrication.The present invention is extruded owing to adopting, and cylindrical shell is by three-dimensional compressive stress, and distortion is more even, organizes finer and close; Meanwhile, blank allowance can be reduced, improve stock utilization, enhance productivity, reduce product cost.

Description

The processing method of vertical extruding ultrahigh pressure vessel cylindrical shell
Technical field
The present invention is the processing method vertically extruding ultrahigh pressure vessel cylindrical shell, belongs to pressure vessel manufacturing field.
Background technology
According to the requirement of existing " ultrahigh pressure vessel safety and technical supervision code " TSGR0002-2005, normal employing Forging Technology manufactures the main pressurized element such as ultrahigh pressure vessel cylindrical shell, and existing Forging Technology technology maturation, the technical requirement of required part can be met, constant product quality.Due to the feature of ultrahigh pressure vessel operating condition, the typical structure of its cylindrical shell mostly is overall through-hole type, under existing Forging Technology working condition, cylindrical shell majority adopts solid forging to make, and has that blank allowance is large, stock utilization is low, production efficiency is low, the more high drawback of cost.
Summary of the invention:
The object of the present invention is to provide a kind of processing method of vertical extruding ultrahigh pressure vessel cylindrical shell, the method can reduce blank allowance, improves stock utilization, enhances productivity, reduce product cost.
Technical solution:
The inventive method step is as follows: 1) to manufacture ultrahigh pressure vessel cylindrical shell Heating Steel Ingots; 2) steel ingot after heating carries out the oxide skin that high-pressure water descaling removes surface of steel ingot; 3) surface of steel ingot after high-pressure water descaling carries out glass dust lubrication; 4) punching blank is made to the steel ingot blank machine after glass dust lubrication; 5) end face hot repair mould is carried out to punching blank; 6) stove heating is returned to the punching blank after hot repair mould; 7) the punching blank after heating carries out high-pressure water descaling; 8) the punching blank surface after high-pressure water descaling carries out glass dust lubrication; 9) ultrahigh pressure vessel cylindrical shell is extruded into the punching blank vertical extruder after glass dust lubrication.
Further: to manufacture ultrahigh pressure vessel cylindrical shell Heating Steel Ingots, heating-up temperature is 1280 DEG C ~ 1300 DEG C, insulation 5h ~ 8h.
Further: the steel ingot after heating carries out the oxide skin that high-pressure water descaling removes surface of steel ingot.
Further: the surface of steel ingot even application glass dust lubricant after high-pressure water descaling.
Further: punching blank to be made to the steel ingot blank machine after glass dust lubrication, bores a hole with pecker again after enclosed jumping-up.
Further: to carry out end face hot repair mould to punching blank, equating punching blank end face, carries out chamfered edge by wedge angle position.
Further: return stove heating to the punching blank after hot repair mould, heating-up temperature is 1280 DEG C ~ 1300 DEG C, insulation 10h ~ 15h.
Further: the punching blank after heating carries out high-pressure water descaling.
Further: the punching blank surface even application glass dust lubrication after high-pressure water descaling.
Further: ultrahigh pressure vessel cylindrical shell is extruded into the punching blank vertical extruder after glass dust lubrication.
The present invention adopts vertical fashion of extrusion to produce ultrahigh pressure vessel cylindrical shell, namely Heating Steel Ingots, high-pressure water descaling, glass dust lubrication, punching blank processed, hot repair mould, punching blank return stove heating, high-pressure water descaling, glass dust lubrication, extrude into ultrahigh pressure vessel cylindrical shell, the present invention is extruded owing to adopting, cylindrical shell is by three-dimensional compressive stress, be out of shape more even, organize finer and close, reduce blank allowance simultaneously, improve stock utilization, enhance productivity, reduce product cost.For GYF300-180 autoclave cylindrical shell, vertical pressing method is compared with forging method, and stock utilization improves about 10%, and save material about 4t, saves production cost about 3.3 ten thousand yuan.
Accompanying drawing explanation
Fig. 1 is GYF300-180 recipient body blank drawing;
Fig. 2 is that GYF300-180 forges cylindrical shell blank drawing;
Fig. 3 is extruding cylindrical shell grain size figure.
Detailed description of the invention
Embodiment 1:
For GYF300-180 autoclave cylindrical shell, GYF300-180 autoclave cylindrical shell finished size specification: maximum outside diameter φ 542mm, minimum diameter φ 300mm, finished product length 6000mm, cylinder material is 34CrNi3MoVA.When adopting 360MN ferrous metal vertical extruder to extrude according to accompanying drawing 1, extruding cylindrical shell dimensions: external diameter φ 575mm, internal diameter φ 270mm, length 6450mm, the method step that vertical extruding ultrahigh pressure vessel cylindrical shell is taked is as follows:
1) to manufacture ultrahigh pressure vessel cylindrical shell Heating Steel Ingots, heating-up temperature is 1210 DEG C ± 10 DEG C, insulation 6.5h.
2) steel ingot after heating carries out the oxide skin that high-pressure water descaling removes surface of steel ingot, high-pressure water descaling time 40s.
3) the surface of steel ingot even application glass dust lubricant after high-pressure water descaling, glass dust consumption 18kg.
4) punching blank is made to the steel ingot blank machine after glass dust lubrication, bore a hole with pecker again after first enclosed jumping-up in jumping-up cylinder.
5) carry out end face hot repair mould to punching blank, equating punching blank end face, carries out chamfered edge by wedge angle position.
6) return stove heating to the punching blank after hot repair mould, heating-up temperature is 1210 DEG C ± 10 DEG C, insulation 13h.
7) the punching blank after heating carries out high-pressure water descaling, high-pressure water descaling time 38s.
8) the punching blank surface even application glass dust lubricant after high-pressure water descaling, glass dust consumption 17kg.
9) ultrahigh pressure vessel cylindrical shell is extruded into the punching blank vertical extruder after glass dust lubrication.
Adopt the processing method of vertical extruding ultrahigh pressure vessel cylindrical shell, blank allowance can be reduced, improve stock utilization, enhance productivity, reduce product cost.For GYF300-180 autoclave cylindrical shell, vertical pressing method is compared with forging method, and stock utilization improves about 10%, and save material about 4t, saves production cost about 3.3 ten thousand yuan.
Embodiment 2:
For GYF300-180 autoclave cylindrical shell, GYF300-180 autoclave cylindrical shell finished size specification: maximum outside diameter φ 542mm, minimum diameter φ 300mm, finished product length 6000mm, cylinder material is 34CrNi3MoVA.When adopting 360MN ferrous metal vertical extruder to extrude according to accompanying drawing 1, extruding cylindrical shell dimensions: external diameter φ 575mm, internal diameter φ 270mm, length 6450mm, the method step that vertical extruding ultrahigh pressure vessel cylindrical shell is taked is as follows:
1) to manufacture ultrahigh pressure vessel cylindrical shell Heating Steel Ingots, heating-up temperature is 1250 DEG C ± 10 DEG C, insulation 6.5h.
2) steel ingot after heating carries out the oxide skin that high-pressure water descaling removes surface of steel ingot, high-pressure water descaling time 40s.
3) the surface of steel ingot even application glass dust lubricant after high-pressure water descaling, glass dust consumption 18kg.
4) punching blank is made to the steel ingot blank machine after glass dust lubrication, bore a hole with pecker again after first enclosed jumping-up in jumping-up cylinder.
5) carry out end face hot repair mould to punching blank, equating punching blank end face, carries out chamfered edge by wedge angle position.
6) return stove heating to the punching blank after hot repair mould, heating-up temperature is 1250 DEG C ± 10 DEG C, insulation 13h.
7) the punching blank after heating carries out high-pressure water descaling, high-pressure water descaling time 38s.
8) the punching blank surface even application glass dust lubricant after high-pressure water descaling, glass dust consumption 17kg.
9) ultrahigh pressure vessel cylindrical shell is extruded into the punching blank vertical extruder after glass dust lubrication.
Adopt the processing method of vertical extruding ultrahigh pressure vessel cylindrical shell, blank allowance can be reduced, improve stock utilization, enhance productivity, reduce product cost.For GYF300-180 autoclave cylindrical shell, vertical pressing method is compared with forging method, and stock utilization improves about 10%, and save material about 4t, saves production cost about 3.3 ten thousand yuan.
Embodiment 3:
For GYF300-180 autoclave cylindrical shell, GYF300-180 autoclave cylindrical shell finished size specification: maximum outside diameter φ 542mm, minimum diameter φ 300mm, finished product length 6000mm, cylinder material is 34CrNi3MoVA.When adopting 360MN ferrous metal vertical extruder to extrude according to accompanying drawing 1, extruding cylindrical shell dimensions: external diameter φ 575mm, internal diameter φ 270mm, length 6450mm, the method step that vertical extruding ultrahigh pressure vessel cylindrical shell is taked is as follows:
1) to manufacture ultrahigh pressure vessel cylindrical shell Heating Steel Ingots, heating-up temperature is 1270 DEG C ± 10 DEG C, insulation 6.5h.
2) steel ingot after heating carries out the oxide skin that high-pressure water descaling removes surface of steel ingot, high-pressure water descaling time 40s.
3) the surface of steel ingot even application glass dust lubricant after high-pressure water descaling, glass dust consumption 18kg.
4) punching blank is made to the steel ingot blank machine after glass dust lubrication, bore a hole with pecker again after first enclosed jumping-up in jumping-up cylinder.
5) carry out end face hot repair mould to punching blank, equating punching blank end face, carries out chamfered edge by wedge angle position.
6) return stove heating to the punching blank after hot repair mould, heating-up temperature is 1270 DEG C ± 10 DEG C, insulation 13h.
7) the punching blank after heating carries out high-pressure water descaling, high-pressure water descaling time 38s.
8) the punching blank surface even application glass dust lubricant after high-pressure water descaling, glass dust consumption 17kg.
9) ultrahigh pressure vessel cylindrical shell is extruded into the punching blank vertical extruder after glass dust lubrication.
Adopt the processing method of vertical extruding ultrahigh pressure vessel cylindrical shell, blank allowance can be reduced, improve stock utilization, enhance productivity, reduce product cost.For GYF300-180 autoclave cylindrical shell, vertical pressing method is compared with forging method, and stock utilization improves about 10%, and save material about 4t, saves production cost about 3.3 ten thousand yuan.
Embodiment 4:
For GYF300-180 autoclave cylindrical shell, GYF300-180 autoclave cylindrical shell finished size specification: maximum outside diameter φ 542mm, minimum diameter φ 300mm, finished product length 6000mm, cylinder material is 34CrNi3MoVA.When adopting 360MN ferrous metal vertical extruder to extrude according to accompanying drawing 1, extruding cylindrical shell dimensions: external diameter φ 575mm, internal diameter φ 270mm, length 6450mm, the method step that vertical extruding ultrahigh pressure vessel cylindrical shell is taked is as follows:
1) to manufacture ultrahigh pressure vessel cylindrical shell Heating Steel Ingots, heating-up temperature is 1290 DEG C ± 10 DEG C, insulation 6.5h.
2) steel ingot after heating carries out the oxide skin that high-pressure water descaling removes surface of steel ingot, high-pressure water descaling time 40s.
3) the surface of steel ingot even application glass dust lubricant after high-pressure water descaling, glass dust consumption 18kg.
4) punching blank is made to the steel ingot blank machine after glass dust lubrication, bore a hole with pecker again after first enclosed jumping-up in jumping-up cylinder.
5) carry out end face hot repair mould to punching blank, equating punching blank end face, carries out chamfered edge by wedge angle position.
6) return stove heating to the punching blank after hot repair mould, heating-up temperature is 1290 DEG C ± 10 DEG C, insulation 13h.
7) the punching blank after heating carries out high-pressure water descaling, high-pressure water descaling time 38s.
8) the punching blank surface even application glass dust lubricant after high-pressure water descaling, glass dust consumption 17kg.
9) ultrahigh pressure vessel cylindrical shell is extruded into the punching blank vertical extruder after glass dust lubrication.
Adopt the processing method of vertical extruding ultrahigh pressure vessel cylindrical shell, blank allowance can be reduced, improve stock utilization, enhance productivity, reduce product cost.For GYF300-180 autoclave cylindrical shell, vertical pressing method is compared with forging method, and stock utilization improves about 10%, and save material about 4t, saves production cost about 3.3 ten thousand yuan.

Claims (7)

1. the processing method of vertical extruding ultrahigh pressure vessel cylindrical shell, it is characterized in that, method step is as follows: 1) to manufacture ultrahigh pressure vessel cylindrical shell Heating Steel Ingots; 2) steel ingot after heating carries out the oxide skin that high-pressure water descaling removes surface of steel ingot; 3) surface of steel ingot after high-pressure water descaling carries out glass dust lubrication; 4) punching blank is made to the steel ingot blank machine after glass dust lubrication; 5) end face hot repair mould is carried out to punching blank; 6) stove heating is returned to the punching blank after hot repair mould; 7) the punching blank after heating carries out high-pressure water descaling; 8) the punching blank surface after high-pressure water descaling carries out glass dust lubrication; 9) ultrahigh pressure vessel cylindrical shell is extruded into the punching blank vertical extruder after glass dust lubrication.
2. the processing method of vertical extruding ultrahigh pressure vessel cylindrical shell according to claim 1, is characterized in that, to manufacture ultrahigh pressure vessel cylindrical shell Heating Steel Ingots, heating-up temperature is 1200 DEG C ~ 1300 DEG C, insulation 5h ~ 8h.
3. the processing method of vertical extruding ultrahigh pressure vessel cylindrical shell according to claim 1, is characterized in that, the surface of steel ingot even application glass dust lubricant after high-pressure water descaling.
4. the processing method of vertical extruding ultrahigh pressure vessel cylindrical shell according to claim 1, is characterized in that, makes punching blank, bore a hole after enclosed jumping-up with pecker again to the steel ingot blank machine after glass dust lubrication.
5. the processing method of vertical extruding ultrahigh pressure vessel cylindrical shell according to claim 1, is characterized in that, carry out end face hot repair mould to punching blank, and equating punching blank end face, carries out chamfered edge by wedge angle position.
6. the processing method of vertical extruding ultrahigh pressure vessel cylindrical shell according to claim 1, is characterized in that, return stove heating to the punching blank after hot repair mould, heating-up temperature is 1200 DEG C ~ 1300 DEG C, insulation 10h ~ 15h.
7. the processing method of vertical extruding ultrahigh pressure vessel cylindrical shell according to claim 1, is characterized in that, the punching blank surface even application glass dust lubricant after high-pressure water descaling.
CN201310444988.6A 2013-09-26 2013-09-26 The processing method of vertical extruding ultrahigh pressure vessel cylindrical shell CN103537871B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310444988.6A CN103537871B (en) 2013-09-26 2013-09-26 The processing method of vertical extruding ultrahigh pressure vessel cylindrical shell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310444988.6A CN103537871B (en) 2013-09-26 2013-09-26 The processing method of vertical extruding ultrahigh pressure vessel cylindrical shell

Publications (2)

Publication Number Publication Date
CN103537871A CN103537871A (en) 2014-01-29
CN103537871B true CN103537871B (en) 2015-09-23

Family

ID=49961930

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310444988.6A CN103537871B (en) 2013-09-26 2013-09-26 The processing method of vertical extruding ultrahigh pressure vessel cylindrical shell

Country Status (1)

Country Link
CN (1) CN103537871B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104384849B (en) * 2014-10-10 2017-01-25 中国第一重型机械股份公司 Integrated extruding, forming and manufacturing method for truss-type pile leg chord of self-elevating platform
CN104815863B (en) * 2015-03-25 2017-08-25 内蒙古北方重工业集团有限公司 A kind of detection method of billet location

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101028681A (en) * 2007-04-02 2007-09-05 上海工程技术大学 Process for formed hydraulic tappet guide cylinder
CN101537438A (en) * 2009-04-24 2009-09-23 太原科技大学 Hot impact extrusion process and device for large annular barrel type forged piece
WO2010145551A1 (en) * 2009-06-17 2010-12-23 苏州昆仑先进制造技术装备有限公司 Distribution extruding forming device and distribution extruding forming method
CN102029301A (en) * 2010-10-22 2011-04-27 南京迪威尔重型锻造股份有限公司 Heat backward extrusion molding process of large-sized cup-shaped piece
CN102319757A (en) * 2011-08-18 2012-01-18 中国兵器工业第五二研究所 Preparation method of magnesium alloy variable-section cylindrical member by composite extrusion deformation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101028681A (en) * 2007-04-02 2007-09-05 上海工程技术大学 Process for formed hydraulic tappet guide cylinder
CN101537438A (en) * 2009-04-24 2009-09-23 太原科技大学 Hot impact extrusion process and device for large annular barrel type forged piece
WO2010145551A1 (en) * 2009-06-17 2010-12-23 苏州昆仑先进制造技术装备有限公司 Distribution extruding forming device and distribution extruding forming method
CN102029301A (en) * 2010-10-22 2011-04-27 南京迪威尔重型锻造股份有限公司 Heat backward extrusion molding process of large-sized cup-shaped piece
CN102319757A (en) * 2011-08-18 2012-01-18 中国兵器工业第五二研究所 Preparation method of magnesium alloy variable-section cylindrical member by composite extrusion deformation

Also Published As

Publication number Publication date
CN103537871A (en) 2014-01-29

Similar Documents

Publication Publication Date Title
CN104722702B (en) Supercritical unit high temperature steam pipeline forging molding process
CN101780515B (en) Process for precisely forging triple gear of dual-drive axle
CN102397964B (en) Energy accumulator shell forging process
CN104759850B (en) A kind of aluminium alloy height barrier part processing technique
CN101342566B (en) Integral cold forging technique for angular wheel shaft
CN106624652B (en) A kind of circular metal plate rotary forging forming and machining method
CN104307908B (en) A kind of method waiting channel formation mould and shaping pipe thereof of thick-wall tube
CN203917441U (en) The device of the rough standby block body ultrafine grain metal material of reciprocating extrusion pier
CN104148558B (en) The production method of T-shaped ring-type forge piece blank reheating in SB564 UNS N06690 alloy large-size
CN107097049B (en) A kind of titanium or titanium alloy mobile phone shell processing method
CN101695739B (en) Forging process of large tee and large skew tee
CN102873239B (en) Full-closed multi-way integral die-forging forming process for large-size valve bodies
CN103878203B (en) The preparation method of a kind of composite bimetal pipe
CN102240774B (en) Fine forging forming method of spiral bevel gears
CN103691874A (en) Forming method of thin-wall nut
CN103894436A (en) Reciprocating extruding device and machining method of reinforced magnesium alloy tube
CN103464992B (en) Ratchet wheel of park gear of car transmission production technology
CN102744356B (en) Full-fiber bending-upsetting method for crank shaft
CN101352799B (en) Occlusion extruding molding method for long axis
CN102672096B (en) Precision die forging and shaping technical method for automobile steering knuckle rough type parts
CN102240772B (en) Forming method of single elbow crankshaft forgings
CN102528406A (en) Method for processing automobile synchronizer gear ring blank
CN105107915A (en) Technological method for precise spinning forming of large magnesium alloy thin-walled cylindrical part
CN107252866B (en) The multiple protrusion ozzle large-sized end enclosure forging integral forging and forming methods of nuclear reactor band
CN104099539B (en) A kind of manufacture method of long fibre concrete dynamic modulus metal material

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant