CN109261902A - The casting method of heavy caliber high pressure flap type - Google Patents
The casting method of heavy caliber high pressure flap type Download PDFInfo
- Publication number
- CN109261902A CN109261902A CN201811042508.2A CN201811042508A CN109261902A CN 109261902 A CN109261902 A CN 109261902A CN 201811042508 A CN201811042508 A CN 201811042508A CN 109261902 A CN109261902 A CN 109261902A
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- CN
- China
- Prior art keywords
- heat preservation
- type heat
- valve
- flange
- preservation riser
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/088—Feeder heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D15/00—Casting using a mould or core of which a part significant to the process is of high thermal conductivity, e.g. chill casting; Moulds or accessories specially adapted therefor
Abstract
The invention discloses the casting methods of heavy caliber high pressure flap type, using furane resins sand molding, cold box resin coremaking, No.1 oval type heat preservation riser (1) is installed at middle flange position, symmetrical two in front flange portion position No. two oval type heat preservation riser (2) are respectively installed, the valve loin that flange is connected with valve tripe on side symmetrically respectively installs No. three oval type heat preservation riser (3), No. four oval type heat preservation riser (4) are installed at body base position, and No.1 contoured chill (5) are placed on the bottom top surface of middle flange, No. two contoured chills (6) are placed on symmetrical two in front flange base top surface, No. three contoured chills (7) are respectively placed in the bottom of valve waist, body base places No. four contoured chills (8).Present invention process is simple, operation capacity, at low cost, is suitble to large batch of flow line production, avoids the occurrence of the casting flaws such as shrinkage porosite, shrinkage cavity, sand stomata, crackle, guarantees castability, meets customer specification.
Description
Technical field
The present invention relates to casting methods, and in particular to a kind of casting method of heavy caliber high pressure flap type.
Background technique
Heavy caliber high pressure flap type is mainly used for petroleum, natural gas well jaws equipment, throttle well killing manifold and fluid control etc.
In terms of engineering.Since conventional oil-gas mining technical equipment has reached its maturity, a large amount of land oil exploitation area is transformed
For the strategic resources of country, existing marine petroleum exploitation is changed into exploitation upsurge.It is well known that the ocean area of the earth accounts for total face
Long-pending 70%, wherein blue water accounts for 80% or more ocean area, and the exploitation of deep-sea oil gas will be following developing direction.It is this to answer
It will be had a vast market foreground with the heavy caliber high pressure flap type of Yu Haiyang blue water oil gas drilling.Develop this heavy caliber
High-pressure flat plate valve flap type, the technical level equipped to promotion China's oil and gas wellhead, are seized the international competitiveness for enhancing product
International market etc. all has good economy and society meaning.
High pressure valve in the market mostly uses die forging or flat-die forging technique, this kind of technique machining allowance is too big, material benefit
Low with rate, overall cost is high, and the labour of batch production is big, and yield efficiency can not meet the need of present market or even future market
It asks.Therefore, mass production, quality is stable, and overall cost is low, mature casting technique is only the demand in market.
However there are problems for heavy caliber high pressure flap type steel-casting: since body size is larger, technique loam core is larger,
Casting flaws, these defects such as general casting technique burning into sand easy to form, shrinkage porosite, shrinkage cavity, crackle, sand stomata, cinder hole are all
Not permitted in heavy caliber high pressure flap type.
Summary of the invention
The object of the present invention is to provide a kind of casting methods of heavy caliber high pressure flap type, are cast using the casting method
Valve body effectively avoids the occurrence of the casting flaws such as shrinkage porosite, shrinkage cavity, sand stomata, crackle, guarantees the casting of heavy caliber high pressure flap type
Quality meets customer specification.
The technical solution of the invention is as follows: furane resins sand molding, cold box resin coremaking are used, it is characterized in that:
No.1 oval type heat preservation riser is installed at middle flange position, symmetrical two in front flange portion position No. two oval types hairs are respectively installed
Hot insulated feeder, the valve loin that flange is connected with valve tripe on side symmetrically respectively installs No. three oval type heat preservation riser, in valve
Body lower portion installs No. four oval type heat preservation riser, and No.1 contoured chill is placed on the bottom top surface of middle flange
Quench, on symmetrical two in front flange base top surface place No. two contoured chill Quench, the bottom of valve waist respectively place No. three at
Type iron chill shock chilling, body base place No. four contoured chill Quench.
Further, A × 2A × 3.3A No.1 oval type heat preservation riser is installed at middle flange position, symmetrical
Two in front flange portion position No. two oval type heat preservation riser of A × 1.3A × 1.6A are respectively installed, on side, flange and valve tripe connect
The valve loin connect symmetrically respectively installs No. three oval type heat preservation riser of A × 1.5A × 1.3A, pacifies at body base position
Fill No. four oval type heat preservation riser of A × 2A × 2A.
Further, 100 × 200 × 330 oval type heat preservation riser are installed at middle flange position, symmetrical two
180 × 240 × 300 oval type heat preservation riser, the valve waist that flange is connected with valve tripe on side are respectively installed in flange position in front
90 × 135 × 120 oval type heat preservation riser of the symmetrical each installation in position install 70 × 140 × 140 ovals at body base position
Type heat preservation riser.
Further, 1 piece of 70 × 140 × 70 contoured chill Quench is placed on middle flange base top surface, symmetrical two
1 piece of 80 × 160 × 80 contoured chill Quench is respectively placed on flange base top surface in front, respectively places 1 piece 60 × 120 in valve waist bottom
× 50 contoured chill Quench, body base place 1 piece of 60 × 40 contoured chill Quench of φ.
When further, using furane resins sand molding, sprue be 50 chamotte brick of Ф, cross gate 40,
45X40, ingate 40,45X40, running channel by two in front circumference of flange face enter heavy caliber high pressure plate valve-type chamber.
The invention has the following advantages that
1) flange of heavy caliber high pressure flap type, valve waist, valve bottom cooperate contoured chill using kidney ellipsoid heat preservation riser feeding
Quench effectively avoids and the casting flaws such as shrinkage cavity and porosity, crackle occurs；
2) phenolic sand molding, cold box resin coremaking are used, the casting flaws such as burning into sand, cinder hole, sand stomata are avoided the occurrence of, meets visitor
Family technical requirements.
Detailed description of the invention
Fig. 1 is the riser location diagram of casting method of the present invention.
Fig. 2 is the chill placement location schematic diagram of casting method of the present invention.
In figure: 1 No.1 oval type heat preservation riser, 2 No. two oval type heat preservation riser, 3 No. three oval type fevers
Insulated feeder, 4 No. four oval type heat preservation riser, 5 No.1 contoured chills, 6 No. two contoured chills, 7 No. three contoured chills, 8
No. four contoured chills.
Specific embodiment
Technical solution of the invention is further illustrated with reference to the accompanying drawing.
As shown in Figs. 1-2, using furane resins sand molding, cold box resin coremaking, it is characterized in that: pacifying at middle flange position
Fill No.1 oval type heat preservation riser 1, symmetrical two in front flange portion position No. two oval type heat preservation riser are respectively installed
2, the valve loin that flange is connected with valve tripe on side symmetrically respectively installs No. three oval type heat preservation riser 3, in body base portion
No. four oval type heat preservation riser 4 of position installation, and 5 Quench of No.1 contoured chill is placed on the bottom top surface of middle flange,
No. two 6 Quench of contoured chill are placed on symmetrical two in front flange base top surface, and it is cold respectively to place No. three moldings in the bottom of valve waist
7 Quench of iron, body base place No. four 8 Quench of contoured chill.
Further, it installs A × 2A × 3.3A No.1 oval type heat preservation riser 1 at middle flange position,
Symmetrical two in front flange portion position No. two oval type heat preservation riser 2 of A × 1.3A × 1.6A, flange and valve on side are respectively installed
The valve loin of tripe connection symmetrically respectively installs No. three oval type heat preservation riser 3 of A × 1.5A × 1.3A, in body base portion
Position installation No. four oval type heat preservation riser 4 of A × 2A × 2A.
Further, 100 × 200 × 330 oval type heat preservation riser are installed at middle flange position, symmetrical two
180 × 240 × 300 oval type heat preservation riser, the valve waist that flange is connected with valve tripe on side are respectively installed in flange position in front
90 × 135 × 120 oval type heat preservation riser of the symmetrical each installation in position install 70 × 140 × 140 ovals at body base position
Type heat preservation riser.
Further, 1 piece of 70 × 140 × 70 contoured chill Quench is placed on middle flange base top surface, symmetrical two
1 piece of 80 × 160 × 80 contoured chill Quench is respectively placed on flange base top surface in front, respectively places 1 piece 60 × 120 in valve waist bottom
× 50 contoured chill Quench, body base place 1 piece of 60 × 40 contoured chill Quench of φ.
When further, using furane resins sand molding, sprue be 50 chamotte brick of Ф, cross gate 40,
45X40, ingate 40,45X40, running channel by two in front circumference of flange face enter heavy caliber high pressure plate valve-type chamber.
Claims (5)
1. the casting method of heavy caliber high pressure flap type, using furane resins sand molding, cold box resin coremaking, it is characterized in that:
It middle flange position install No.1 oval type heat preservation riser (1), symmetrical two in front flange portion position respectively install No. two
Oval type heat preservation riser (2), the valve loin that flange is connected with valve tripe on side are symmetrically respectively installed No. three oval type fevers and are protected
Warm riser (3) installs No. four oval type heat preservation riser (4) at body base position, and in the bottom top surface of middle flange
Upper placement No.1 contoured chill (5) Quench places No. two contoured chill (6) Quench on symmetrical two in front flange base top surface,
No. three contoured chill (7) Quench are respectively placed in the bottom of valve waist, body base places No. four contoured chill (8) Quench.
2. the casting method of heavy caliber high pressure flap type according to claim 1, it is characterized in that: it pacifies at middle flange position
Fill A × 2A × 3.3A No.1 oval type heat preservation riser (1), symmetrical two in front flange portion position A × 1.3A is respectively installed
No. two oval type heat preservation riser (2) of × 1.6A, the valve loin that flange is connected with valve tripe on side symmetrically respectively install A ×
No. three oval type heat preservation riser (3) of 1.5A × 1.3A install No. four oval types of A × 2A × 2A at body base position
Heat preservation riser (4).
3. the casting method of heavy caliber high pressure flap type according to claim 2, it is characterized in that: being installed at middle flange position
100 × 200 × 330 oval type heat preservation riser, symmetrical two in front flange portion position 180 × 240 × 300 ovals are respectively installed
Type heat preservation riser, the valve loin that flange is connected with valve tripe on side symmetrically respectively protect by the fever of 90 × 135 × 120 oval types of installation
Warm riser installs 70 × 140 × 140 oval type heat preservation riser at body base position.
4. the casting method of heavy caliber high pressure flap type according to claim 1, it is characterized in that: being pushed up in the bottom of middle flange
1 piece of 70 × 140 × 70 contoured chill Quench is placed on face, respectively places 1 piece 80 × 160 on symmetrical two in front flange base top surface
× 80 contoured chill Quench respectively place 1 piece of 60 × 120 × 50 contoured chill Quench in the bottom of valve waist, and body base places 1 piece
60 × 40 contoured chill Quench of φ.
5. the casting method of heavy caliber high pressure flap type according to claim 1, it is characterized in that: being made using furan resin-sand
When type, sprue is 50 chamotte brick of Ф, and cross gate 40,45X40, ingate 40,45X40, running channel is by two methods in front
Blue periphery enters heavy caliber high pressure plate valve-type chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811042508.2A CN109261902A (en) | 2018-09-07 | 2018-09-07 | The casting method of heavy caliber high pressure flap type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811042508.2A CN109261902A (en) | 2018-09-07 | 2018-09-07 | The casting method of heavy caliber high pressure flap type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109261902A true CN109261902A (en) | 2019-01-25 |
Family
ID=65188000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811042508.2A Pending CN109261902A (en) | 2018-09-07 | 2018-09-07 | The casting method of heavy caliber high pressure flap type |
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| CN (1) | CN109261902A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947641A (en) * | 2010-10-28 | 2011-01-19 | 江苏金石铸锻有限公司 | Casting process of valve casing |
| CN102161077A (en) * | 2011-04-09 | 2011-08-24 | 江苏金石铸锻有限公司 | Valve body casting method of expansion valve |
| CN102166621A (en) * | 2011-04-09 | 2011-08-31 | 江苏金石铸锻有限公司 | Method for casting valve body of heavy-calibre non-rising-stem flat valve |
| CN103433434A (en) * | 2013-09-02 | 2013-12-11 | 山东墨龙石油机械股份有限公司 | Method for casting valve body of flat gate valve |
| CN104646635A (en) * | 2015-01-29 | 2015-05-27 | 夏平桂 | Casting method for valve body of expansion valve |
| CN106111915A (en) * | 2016-07-05 | 2016-11-16 | 江苏金石铸锻有限公司 | Two-tube tubing head casting device |
-
2018
- 2018-09-07 CN CN201811042508.2A patent/CN109261902A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947641A (en) * | 2010-10-28 | 2011-01-19 | 江苏金石铸锻有限公司 | Casting process of valve casing |
| CN102161077A (en) * | 2011-04-09 | 2011-08-24 | 江苏金石铸锻有限公司 | Valve body casting method of expansion valve |
| CN102166621A (en) * | 2011-04-09 | 2011-08-31 | 江苏金石铸锻有限公司 | Method for casting valve body of heavy-calibre non-rising-stem flat valve |
| CN103433434A (en) * | 2013-09-02 | 2013-12-11 | 山东墨龙石油机械股份有限公司 | Method for casting valve body of flat gate valve |
| CN104646635A (en) * | 2015-01-29 | 2015-05-27 | 夏平桂 | Casting method for valve body of expansion valve |
| CN106111915A (en) * | 2016-07-05 | 2016-11-16 | 江苏金石铸锻有限公司 | Two-tube tubing head casting device |
Non-Patent Citations (1)
| Title |
|---|
| 黄良余: "《简明铸工手册》", 31 May 1991 * |
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Application publication date: 20190125 |
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