CN102994890B - A kind of valve body of anti-explosion valve castmethod - Google Patents
A kind of valve body of anti-explosion valve castmethod Download PDFInfo
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- CN102994890B CN102994890B CN201210372952.7A CN201210372952A CN102994890B CN 102994890 B CN102994890 B CN 102994890B CN 201210372952 A CN201210372952 A CN 201210372952A CN 102994890 B CN102994890 B CN 102994890B
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- valve body
- valve
- explosion
- tempering
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- 238000004880 explosion Methods 0.000 title claims abstract description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 230000036760 body temperature Effects 0.000 claims abstract description 4
- 238000005266 casting Methods 0.000 claims abstract description 4
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 239000000126 substance Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000010791 quenching Methods 0.000 claims description 9
- 238000005496 tempering Methods 0.000 claims description 7
- 230000000171 quenching effect Effects 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004382 potting Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000006188 syrup Substances 0.000 claims description 3
- 235000020357 syrup Nutrition 0.000 claims description 3
- 238000009692 water atomization Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000010924 continuous production Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
Abstract
The invention discloses a kind of valve body of anti-explosion valve castmethod, include following steps: a, cast valve body, in application valve body, chemical component weight per-cent is: 2.32%≤C≤4.15%, 0.40%≤Si≤1.40%, 0.30%≤Mn≤1.30%, 0.010%≤P≤0.030%, 0.010%≤S≤0.030%.1.50%≤Cr≤2.50%, trace≤B≤0.0018%, surplus is iron and inevitable impurity; The valve body temperature of casting is down to 350 DEG C, reheats to 670-760 DEG C, insulation 3-5 hour, and stove is chilled to 300 DEG C, is incubated 4 hours, reheats to 650-760 DEG C, is incubated 17 hours, is cooled to 400 DEG C with 50 DEG C/h, then with 20 DEG C/h, be cooled to 140 DEG C; Mmaterial of the present invention and manufacturing process have higher continuous production, and material use efficiency is high, are suitable for producing in enormous quantities, reduce costs.
Description
Technical field
The present invention relates to a kind of preparation method of explosion trap, specifically belong to a kind of valve body of anti-explosion valve castmethod.
Background technology
Explosion trap is the function unit in fluid delivery system, has the functions such as shunting or overflow pressure relief.For the valve of fluid control system, various valves used from the simplest stopping valve to very complicated robot control system(RCS), its kind and specification are quite various.Valve can be used for the flowing controlling all kinds fluids such as air, water, steam, various corrosive medium, mud, oil product, liquid metal and radiating medium.Not only material manufacture craft is poor for current explosion trap, and is suitable for producing in enormous quantities, needs to carry out a small amount of ground finish to valve body before assembling uses.
Summary of the invention
Technical problem to be solved by this invention is for explosion trap Technology present situation, and a kind of valve body of anti-explosion valve castmethod that a kind of production efficiency provided is high, manufacturing cost is lower.
The technical solution used in the present invention is as follows:
A kind of valve body of anti-explosion valve castmethod, includes following steps:
A, cast valve body, in application valve body, chemical component weight per-cent is: 2.32%≤C≤4.15%, 0.40%≤Si≤1.40%, 0.30%≤Mn≤1.30%, 0.010%≤P≤0.030%, 0.010%≤S≤0.030%.1.50%≤Cr≤2.50%, trace≤B≤0.0018%, surplus is iron and inevitable impurity; The valve body temperature of casting is down to 350 DEG C, reheats to 670-760 DEG C, insulation 3-5 hour, and stove is chilled to 300 DEG C, is incubated 4 hours, reheats to 650-760 DEG C, is incubated 17 hours, is cooled to 400 DEG C with 50 DEG C/h, then with 20 DEG C/h, be cooled to 140 DEG C;
b, in valve body sand mold, pour into a mould potting syrup by cast gate, cooled and solidified, take out after steam treatment namely obtain valve body of anti-explosion valve, described steam treatment is water atomization steam treatment, and the treatment time is 4-5 hour, and temperature is 550-650 DEG C;
C, quench treatment: valve body of anti-explosion valve is sent in heat treatment furnace and is heated to 850-890 DEG C, and be incubated 2-3 hour; Then cool with quenching oil;
D, temper: the valve body of anti-explosion valve after quenching is sent in tempering stove and is heated to 300-400 DEG C, insulation 50-70min;
E, bonderizing, be 180-200 DEG C by workpiece at showing tremendous enthusiasm closure temperature at normal temperatures, employing pH value is the surface conditioner process 1min of 8, after dripping empty 1-2min, adopt phosphorization agent process 15-20min, then after dripping empty 1-2min, adopt clean water 1-2min, after dripping empty 1-2min again, process 0.5-1min with hot water workpiece being placed in 78-100 DEG C.
Bonderizing, be 190 DEG C by workpiece at showing tremendous enthusiasm closure temperature at normal temperatures, employing pH value is the surface conditioner process 1min of 8, after dripping empty 1.5min, adopt phosphorization agent process 17min, then after dripping empty 1.5min, adopt clean water 1.5min, after dripping empty 1.5min again, process 0.7min with hot water workpiece being placed in 90 DEG C.
Compared with prior art, the invention has the advantages that:
The present invention passes through technique scheme, one-piece construction is scientific and reasonable, correspondingly reduce energy consumption, decrease materials consumption and cost input, working accuracy improves greatly, compared with prior art material use efficiency brings up to more than 90% by present 65%, power consumption reduces about 70%, and recruitment reduces 3/4ths, and a machine tool two people operates the malleable workpiece of split run more than 550, improve work efficiency about 4 times, the positively effect highly significant of generation.
Mechanics properties testing data of the present invention are as follows:
Tensile strength sigma b (MPa): >=1080 (110)
Yield strength σ s (MPa): >=930 (95)
Elongation δ 5 (%): >=12
Relative reduction in area ψ (%): >=55
Impact energy Ak v (J): >=65
Notched bar impact strength α kv (J/cm2): >=78 (8)
Hardness :≤223HB
Embodiment
A kind of valve body of anti-explosion valve castmethod, includes following steps:
A, cast valve body, in application valve body, chemical component weight per-cent is: 2.32%≤C≤4.15%, 0.40%≤Si≤1.40%, 0.30%≤Mn≤1.30%, 0.010%≤P≤0.030%, 0.010%≤S≤0.030%.1.50%≤Cr≤2.50%, trace≤B≤0.0018%, surplus is iron and inevitable impurity; The valve body temperature of casting is down to 350 DEG C, reheats to 670-760 DEG C, insulation 3-5 hour, and stove is chilled to 300 DEG C, is incubated 4 hours, reheats to 650-760 DEG C, is incubated 17 hours, is cooled to 400 DEG C with 50 DEG C/h, then with 20 DEG C/h, be cooled to 140 DEG C;
b, in valve body sand mold, pour into a mould potting syrup by cast gate, cooled and solidified, take out after steam treatment namely obtain valve body of anti-explosion valve, described steam treatment is water atomization steam treatment, and the treatment time is 4-5 hour, and temperature is 550-650 DEG C;
C, quench treatment: valve body of anti-explosion valve is sent in heat treatment furnace and is heated to 850-890 DEG C, and be incubated 2-3 hour; Then cool with quenching oil;
D, temper: the valve body of anti-explosion valve after quenching is sent in tempering stove and is heated to 300-400 DEG C, insulation 50-70min;
E, bonderizing, be 190 DEG C by workpiece at showing tremendous enthusiasm closure temperature at normal temperatures, employing pH value is the surface conditioner process 1min of 8, after dripping empty 1.5min, adopt phosphorization agent process 17min, then after dripping empty 1.5min, adopt clean water 1.5min, after dripping empty 1.5min again, process 0.7min with hot water workpiece being placed in 90 DEG C.
Claims (2)
1. a valve body of anti-explosion valve castmethod, it is characterized in that including following steps: a, cast valve body, in application valve body, chemical component weight per-cent is: 2.32%≤C≤4.15%, 0.40%≤Si≤1.40%, 0.30%≤Mn≤1.30%, 0.010%≤P≤0.030%, 0.010%≤S≤0.030%; 1.50%≤Cr≤2.50%, trace≤B≤0.0018%, surplus is iron and inevitable impurity; The valve body temperature of casting is down to 350 DEG C, reheats to 670-760 DEG C, insulation 3-5 hour, and stove is chilled to 300 DEG C, is incubated 4 hours, reheats to 650-760 DEG C, is incubated 17 hours, is cooled to 400 DEG C with 50 DEG C/h, then with 20 DEG C/h, be cooled to 140 DEG C; B, in valve body sand mold, pour into a mould potting syrup by cast gate, cooled and solidified, after taking out, namely steam treatment obtains valve body of anti-explosion valve, and described steam treatment is water atomization steam treatment, and the treatment time is 4-5 hour, and temperature is 550-650 DEG C; C, quench treatment: valve body of anti-explosion valve is sent in heat treatment furnace and is heated to 850-890 DEG C, and be incubated 2-3 hour; Then cool with quenching oil; D, temper: the valve body of anti-explosion valve after quenching is sent in tempering stove and is heated to 300-400 DEG C, insulation 50-70min; E, bonderizing, be 180-200 DEG C by the valve body of anti-explosion valve after tempering at showing tremendous enthusiasm closure temperature at normal temperatures, employing pH value is the surface conditioner process 1min of 8, after dripping empty 1-2min, adopt phosphorization agent process 15-20min, then after dripping empty 1-2min, adopt clean water 1-2min, after dripping empty 1-2min again, process 0.5-1min with the hot water valve body of anti-explosion valve after tempering being placed in 78-100 DEG C.
2. a kind of valve body of anti-explosion valve castmethod according to claim 1, it is characterized in that: described bonderizing, be 190 DEG C by the valve body of anti-explosion valve after tempering at showing tremendous enthusiasm closure temperature at normal temperatures, employing pH value is the surface conditioner process 1min of 8, after dripping empty 1.5min, adopts phosphorization agent process 17min, again after dripping empty 1.5min, adopt clean water 1.5min, then after dripping empty 1.5min, process 0.7min with the hot water valve body of anti-explosion valve after tempering being placed in 90 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210372952.7A CN102994890B (en) | 2012-09-29 | 2012-09-29 | A kind of valve body of anti-explosion valve castmethod |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210372952.7A CN102994890B (en) | 2012-09-29 | 2012-09-29 | A kind of valve body of anti-explosion valve castmethod |
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| Publication Number | Publication Date |
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| CN102994890A CN102994890A (en) | 2013-03-27 |
| CN102994890B true CN102994890B (en) | 2016-03-02 |
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| CN201210372952.7A Active CN102994890B (en) | 2012-09-29 | 2012-09-29 | A kind of valve body of anti-explosion valve castmethod |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532115A (en) * | 2014-12-31 | 2015-04-22 | 铜陵市经纬流体科技有限公司 | Hydrogen-embrittlement-resistant high-strength soft sealing sluice valve body and preparation method thereof |
| CN106678408A (en) * | 2016-12-20 | 2017-05-17 | 铜陵市经纬流体科技有限公司 | Check valve body suitable for acid solutions |
| CN106591693A (en) * | 2016-12-20 | 2017-04-26 | 铜陵市经纬流体科技有限公司 | High-sealing type valve rod for gate valve |
| CN114273617B (en) * | 2021-12-24 | 2024-02-27 | 福建贝得阀门有限公司 | Rapid casting molding process for valve body of soft and hard sealing ball valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4103866A (en) * | 1977-01-10 | 1978-08-01 | Milwaukee Valve Company, Inc. | Butterfly valve |
| JPH09511020A (en) * | 1994-03-25 | 1997-11-04 | ブリコ・エンジニアリング・リミテッド | Sintered product manufacturing method |
| CN101081432A (en) * | 2007-06-04 | 2007-12-05 | 天乾（无锡）科技有限公司 | Method for founding main regulation valve body of steam turbine |
| CN101476085A (en) * | 2009-01-08 | 2009-07-08 | 辽宁福鞍铸业集团有限公司 | Method for foundry production of ultra-supercritical main steam control valve for nuclear power unit |
| CN101618508A (en) * | 2009-07-30 | 2010-01-06 | 扬州东升汽车零部件制造有限公司 | Method for producing vehicle-used stabilizer bar with high corrosion resistance |
| CN101745606A (en) * | 2009-12-29 | 2010-06-23 | 上海应用技术学院 | Casting technology method for high-rigidity gray iron hydraulic valve body |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5562825B2 (en) * | 2010-12-28 | 2014-07-30 | 株式会社東芝 | Heat-resistant cast steel, method for producing heat-resistant cast steel, cast component for steam turbine, and method for producing cast component for steam turbine |
-
2012
- 2012-09-29 CN CN201210372952.7A patent/CN102994890B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4103866A (en) * | 1977-01-10 | 1978-08-01 | Milwaukee Valve Company, Inc. | Butterfly valve |
| JPH09511020A (en) * | 1994-03-25 | 1997-11-04 | ブリコ・エンジニアリング・リミテッド | Sintered product manufacturing method |
| CN101081432A (en) * | 2007-06-04 | 2007-12-05 | 天乾（无锡）科技有限公司 | Method for founding main regulation valve body of steam turbine |
| CN101476085A (en) * | 2009-01-08 | 2009-07-08 | 辽宁福鞍铸业集团有限公司 | Method for foundry production of ultra-supercritical main steam control valve for nuclear power unit |
| CN101618508A (en) * | 2009-07-30 | 2010-01-06 | 扬州东升汽车零部件制造有限公司 | Method for producing vehicle-used stabilizer bar with high corrosion resistance |
| CN101745606A (en) * | 2009-12-29 | 2010-06-23 | 上海应用技术学院 | Casting technology method for high-rigidity gray iron hydraulic valve body |
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| CN102994890A (en) | 2013-03-27 |
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Effective date of registration: 20160126 Address after: 244000 Anhui Tongling lion mountain eastern suburbs Office union residents committee Applicant after: TONGLING JINGWEI FLUID SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 244121 Tongling Jinqiao Industrial Park, Tongling, Anhui Applicant before: TONGLING GUOFANG PLUMBING TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20171229 Address after: 541004 Dongyuan building, Seven Star District, Guilin City, Guangxi 801 Patentee after: Qiu Deliang Address before: 244000 Anhui Tongling lion mountain eastern suburbs Office union residents committee Patentee before: TONGLING JINGWEI FLUID SCIENCE & TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20180604 Address after: 730100 Chiang Kai Ying 252, Dingyuan Industrial Park, Yuzhong County, Lanzhou, Gansu Patentee after: GANSU ZHUDUN CIVIL DEFENSE ENGINEERING Co.,Ltd. Address before: 510000 Guangdong science and Technology Industrial Development Zone, Guangzhou, 231 and 233 podium B1B2 Building 1, two, three, four Patentee before: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Effective date of registration: 20180604 Address after: 510000 Guangdong science and Technology Industrial Development Zone, Guangzhou, 231 and 233 podium B1B2 Building 1, two, three, four Patentee after: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Address before: 541004 Dongyuan building, Seven Star District, Guilin City, Guangxi 801 Patentee before: Qiu Deliang |
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Effective date of registration: 20230804 Address after: 637200 section 2, Fenghuang Avenue, Duofu Industrial Park, Xichong County, Nanchong City, Sichuan Province Patentee after: SICHUAN HONGFAN SPECIAL EQUIPMENT ENGINEERING Co.,Ltd. Address before: 730100 Chiang Kai Ying 252, Dingyuan Industrial Park, Yuzhong County, Lanzhou, Gansu Patentee before: GANSU ZHUDUN CIVIL DEFENSE ENGINEERING Co.,Ltd. |
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