CN102635721A - Multi-metal compound abrasion-resisting valve and manufacturing method thereof - Google Patents
Multi-metal compound abrasion-resisting valve and manufacturing method thereof Download PDFInfo
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- CN102635721A CN102635721A CN2012101234498A CN201210123449A CN102635721A CN 102635721 A CN102635721 A CN 102635721A CN 2012101234498 A CN2012101234498 A CN 2012101234498A CN 201210123449 A CN201210123449 A CN 201210123449A CN 102635721 A CN102635721 A CN 102635721A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 82
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- 239000002905 metal composite material Substances 0.000 claims description 53
- ZTXONRUJVYXVTJ-UHFFFAOYSA-N chromium copper Chemical compound [Cr][Cu][Cr] ZTXONRUJVYXVTJ-UHFFFAOYSA-N 0.000 claims description 23
- 239000004411 aluminium Substances 0.000 claims description 17
- 229910052782 aluminium Inorganic materials 0.000 claims description 17
- 229940067573 brown iron oxide Drugs 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 16
- -1 brown iron oxide Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000005498 polishing Methods 0.000 claims description 8
- 239000002510 pyrogen Substances 0.000 claims description 8
- 239000003832 thermite Substances 0.000 claims description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 4
- 238000009750 centrifugal casting Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000010304 firing Methods 0.000 claims description 4
- 239000012266 salt solution Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 6
- 229910000599 Cr alloy Inorganic materials 0.000 abstract 3
- GXDVEXJTVGRLNW-UHFFFAOYSA-N [Cr].[Cu] Chemical compound [Cr].[Cu] GXDVEXJTVGRLNW-UHFFFAOYSA-N 0.000 abstract 3
- 239000000788 chromium alloy Substances 0.000 abstract 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 3
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 abstract 3
- 238000005065 mining Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
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- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
The invention relates to a multi-metal compound abrasion-resisting valve and a manufacturing method of the multi-metal compound abrasion-resisting valve, belonging to the technical field of a valve. The multi-metal compound abrasion-resisting valve is characterized in that a multi-metal compound abrasion-resisting pipe is arranged in an overflow channel on a valve body; a multi-metal layer being3-15mm in thickness is uniformly compounded on a pipe wall of a steel pipe so as to form the multi-metal compound abrasion-resisting pipe; the multi-metal compound abrasion-resisting pipe is welded with the valve body; copper chromium alloy powder, ferric oxide powder, aluminum powder and nanometer carborundum powder are mixed and then are centrifugally poured on the pipe wall of the steel pipe so as to form the multi-metal layer; and the weight percentages of the copper chromium alloy powder, ferric oxide powder, aluminum powder and nanometer carborundum powder are as follows: 58-61% of copper chromium alloy powder, 16-18% of ferric oxide powder, 22-24% of aluminum powder and 0.001-0.005% of nanometer carborundum powder. According to the manufacturing method provided by the invention, by utilizing the abrasion-resisting feature of a multi-metal compound pipe, the multi-metal compound pipe is applied to the production technology of the valve, so that an important part of the valve is abrasion-resisting, the whole valve product is durable and has the characteristics of high strength and excellent toughness, and the valve is suitable for various wicked industrial mining conditions.
Description
Technical field
The present invention relates to a kind of structure and method for manufacturing thereof of valve, especially a kind of structure of many metal composite wearable valve and method for manufacturing thereof belong to valve technology field.
Background technique
At present, firepower electrical plant and the used valve of mine coal industry generally are made up of valve body, flashboard etc.; The overcurrent material passes through through the flow channels of valve, and because of its work under bad environment, wear extent is big; Factors such as operating temperature is high, and pressure is big, the valve that makes conventional material process is very short working life.Often need to change.Will cause production line often to stop production like this, adverse consequencess such as overall cost raising have a strong impact on operation.Therefore, press for a kind of wearable valve is provided.
Summary of the invention
The objective of the invention is deficiency, satisfy the demand in market, provide a kind of simple and reasonable to above-mentioned existing technology; Manufacture easily; Cost is low, and is high temperature resistant good with wear-resisting property, the many metal composite wearable valve and the method for manufacturing thereof of long service life.
The objective of the invention is to realize: many metal composite wearable valve through following technological scheme; Comprise valve body, flashboard; It is characterized in that; Be provided with the wear-resisting pipe of many metal composite in the flow channels on the valve body; The wear-resisting pipe of described many metal composite is made up of many metal layers of compound equably 3-15mm thickness on the tube wall of steel pipe; Wear-resisting pipe of many metal composite and valve body are welded to connect, and described many metal layers are to mix the back by chromiumcopper powder, brown iron oxide, aluminium powder, nano carborundum powder to adopt spun casting on the steel pipe tube wall, to constitute, and the weight percentage of described chromiumcopper powder, brown iron oxide, aluminium powder, nano carborundum powder is: chromiumcopper powder 58～61%, brown iron oxide 16～18%, aluminium powder 22～24%, nano carborundum powder 0.001～0.005%; In the described chromiumcopper powder, the weight ratio of copper and chromium is 2:1.
Described steel pipe is seamless steel pipe or steel pipes with straight, and its wall thickness is 3-5mm.
The method for manufacturing of above-mentioned many metal composite wearable valve is characterized in that, may further comprise the steps:
1) be that the steel pipe of 3～5mm cuts into Len req with wall thickness;
2) internal surface with the steel pipe of well cutting polishes;
3) chromiumcopper powder, brown iron oxide, aluminium powder, nano carborundum powder are put into stirrer and mixed; Obtain mix powder, the weight percentage of each component is: chromiumcopper powder 58～61%, brown iron oxide 16～18%, aluminium powder 22～24%, nano carborundum powder 0.001～0.005%; In the described chromiumcopper powder, the weight ratio of copper and chromium is 2:1;
4) with step 2) in the good steel pipe of polishing be fixed on the pipe die of centrifugal casting machine, start centrifuge, steel pipe is rotated with the speed of 1000-1200rpm;
5) mix powder that step 3) is obtained is sent in the steel pipe inner chamber in the step 4), and with pyrogen igniter mix powder is lighted, and steel pipe is being rotated with the speed of 1300-1500rpm; The high temperature that thermite reaction in the mix powder produces makes each component be molten state; Centrifugal action takes place simultaneously, and each component distributes along even tube wall, finishes until the thermite complete reaction; Equally distributed many metal layer thickness are 3～15mm on the tube wall, obtain the wear-resisting pipe of many metal composite; The firing temperature of said pyrogen igniter is greater than 1600 ℃;
6) make the rotating speed of the wear-resisting pipe of many metal composite remain on 1000-1200rpm, rotate and take off the wear-resisting pipe of many metal composite after 5 minutes;
7) the wear-resisting pipe of many metal composite that takes off in the step 6) being put into salt solution quenches;
8) treat the wear-resisting pipe cooling curing of many metal composite after, it is welded in the flow channels on the valve body, make it to become one with valve;
9) polishing treatment is carried out at the position of valve body in the step 8) and the wear-resisting pipe welding of many metal composite, made many metal composite wearable valve.
Described steel pipe is seamless steel pipe or steel pipes with straight, and its wall thickness is 3-5mm.
Its Vickers hardness of the wear-resisting pipe of many metal composite is up to more than the 2300kg/mm2 among the present invention, and crack growth resistance improves thereupon, and toughness that can corresponding raising alloy reaches the stress equilibrium state simultaneously.The present invention utilizes the wear-resisting characteristics of many metal composite pipes; Apply it on the valve production technology, thereby make the valve vitals reach wear-resisting effect, make whole valve products durable in use then; Have that intensity is big, the characteristics of good toughness, can adapt to various abominable industrial and mineral conditions.
Description of drawings
Fig. 1 is the structural representation of the wear-resisting pipe of many metal composite among the present invention;
Fig. 2 is a structural representation of the present invention.
Among the figure: 1 steel pipe, metal layer more than 2,3 valve bodies, the wear-resisting pipe of metal composite more than 4,5 flashboards.
Embodiment
Embodiment one
Many metal composite wearable valve is made up of the wear-resisting pipe of valve body 3, many metal composite 4, flashboard 5 etc., is welded to connect the wear-resisting pipe 4 of many metal composite in the flow channels on the valve body.The wear-resisting pipe of many metal composite is that the many metal layers by the 3-15mm thickness of casting equably on the tube wall of steel pipe constitute.Steel pipe is seamless steel pipe or steel pipes with straight, and its wall thickness is 3-5mm.Many metal layers are to mix the back by chromiumcopper powder, brown iron oxide, aluminium powder, nano carborundum powder to adopt spun casting on the steel pipe tube wall, to constitute, and the weight percentage of chromiumcopper powder, brown iron oxide, aluminium powder, nano carborundum powder is: chromiumcopper powder 58～61%, brown iron oxide 16～18%, aluminium powder 22～24%, nano carborundum powder 0.001～0.005%.
Embodiment two
The production technology of many metal composite wearable valve may further comprise the steps:
1) be that the weldless tube of 3mm cuts into Len req with wall thickness;
2) internal surface with the steel pipe of well cutting polishes;
3) chromiumcopper powder, brown iron oxide, aluminium powder, nano carborundum powder are put into stirrer and mixed; Obtain mix powder, the weight percentage of each component is: chromiumcopper powder 58%, brown iron oxide 18%, aluminium powder 23.995%, nano carborundum powder 0.005%; In the described chromiumcopper powder, the weight ratio of copper and chromium is 2:1;
4) with step 2) in the good steel pipe of polishing be fixed on the pipe die of centrifugal casting machine, start centrifuge, steel pipe is rotated with the speed of 1000-1200rpm;
5) mix powder that step 3) is obtained is sent in the steel pipe inner chamber in the step 4), and with pyrogen igniter mix powder is lighted, and steel pipe is being rotated with the speed of 1300-1500rpm; The high temperature that thermite reaction in the mix powder produces makes each component be molten state; Centrifugal action takes place simultaneously, and each component distributes along even tube wall, finishes until the thermite complete reaction; Equally distributed many metal layer thickness are 3～15mm on the tube wall, obtain the wear-resisting pipe of many metal composite; The firing temperature of said pyrogen igniter is greater than 1600 ℃;
6) make the rotating speed of the wear-resisting pipe of many metal composite remain on 1000-1200rpm, rotate and take off the wear-resisting pipe of many metal composite after 5 minutes;
7) the wear-resisting pipe of many metal composite that takes off in the step 6) being put into salt solution quenches;
8) treat the wear-resisting pipe cooling curing of many metal composite after, it is welded in the flow channels on the valve body, make it to become one with valve;
9) polishing treatment is carried out at the position of valve body in the step 8) and the wear-resisting pipe welding of many metal composite, made many metal composite wearable valve.
Embodiment three
The production technology of many metal composite wearable valve may further comprise the steps:
1) be that the vertical masonry joint pipe of 5mm cuts into Len req with wall thickness;
2) internal surface with the steel pipe of well cutting polishes;
3) chromiumcopper powder, brown iron oxide, aluminium powder, nano carborundum powder are put into stirrer and mixed; Obtain mix powder, the weight percentage of each component is: chromiumcopper powder 61%, brown iron oxide 16%, aluminium powder 22.999%, nano carborundum powder 0.001%; In the described chromiumcopper powder, the weight ratio of copper and chromium is 2:1;
4) with step 2) in the good steel pipe of polishing be fixed on the pipe die of centrifugal casting machine, start centrifuge, steel pipe is rotated with the speed of 1000-1200rpm;
5) mix powder that step 3) is obtained is sent in the steel pipe inner chamber in the step 4), and with pyrogen igniter mix powder is lighted, and steel pipe is being rotated with the speed of 1300-1500rpm; The high temperature that thermite reaction in the mix powder produces makes each component be molten state; Centrifugal action takes place simultaneously, and each component distributes along even tube wall, finishes until the thermite complete reaction; Equally distributed many metal layer thickness are 3～15mm on the tube wall, obtain the wear-resisting pipe of many metal composite; The firing temperature of said pyrogen igniter is greater than 1600 ℃;
6) make the rotating speed of the wear-resisting pipe of many metal composite remain on 1000-1200rpm, rotate and take off the wear-resisting pipe of many metal composite after 5 minutes;
7) the wear-resisting pipe of many metal composite that takes off in the step 6) being put into salt solution quenches;
8) treat the wear-resisting pipe cooling curing of many metal composite after, it is welded in the flow channels on the valve body, make it to become one with valve;
9) polishing treatment is carried out at the position of valve body in the step 8) and the wear-resisting pipe welding of many metal composite, made many metal composite wearable valve.
Claims (4)
1. metal composite wearable valve more than a kind; Comprise valve body, flashboard; It is characterized in that; Be provided with the wear-resisting pipe of many metal composite in the flow channels on the valve body; The wear-resisting pipe of described many metal composite is made up of many metal layers of compound equably 3-15mm thickness on the tube wall of steel pipe; Wear-resisting pipe of many metal composite and valve body are welded to connect, and described many metal layers are to mix the back by chromiumcopper powder, brown iron oxide, aluminium powder, nano carborundum powder to adopt spun casting on the steel pipe tube wall, to constitute, and the weight percentage of described chromiumcopper powder, brown iron oxide, aluminium powder, nano carborundum powder is: chromiumcopper powder 58～61%, brown iron oxide 16～18%, aluminium powder 22～24%, nano carborundum powder 0.001～0.005%; In the described chromiumcopper powder, the weight ratio of copper and chromium is 2:1.
2. many metal composite wearable valve according to claim 1 is characterized in that, described steel pipe is seamless steel pipe or steel pipes with straight, and its wall thickness is 3-5mm.
3. a method for manufacturing of making the described many metal composite wearable valve of claim 1 is characterized in that, may further comprise the steps:
1) be that the steel pipe of 3～5mm cuts into Len req with wall thickness;
2) internal surface with the steel pipe of well cutting polishes;
3) chromiumcopper powder, brown iron oxide, aluminium powder, nano carborundum powder are put into stirrer and mixed; Obtain mix powder, the weight percentage of each component is: chromiumcopper powder 58～61%, brown iron oxide 16～18%, aluminium powder 22～24%, nano carborundum powder 0.001～0.005%; In the described chromiumcopper powder, the weight ratio of copper and chromium is 2:1;
4) with step 2) in the good steel pipe of polishing be fixed on the pipe die of centrifugal casting machine, start centrifuge, steel pipe is rotated with the speed of 1000-1200rpm;
5) mix powder that step 3) is obtained is sent in the steel pipe inner chamber in the step 4), and with pyrogen igniter mix powder is lighted, and steel pipe is being rotated with the speed of 1300-1500rpm; The high temperature that thermite reaction in the mix powder produces makes each component be molten state; Centrifugal action takes place simultaneously, and each component distributes along even tube wall, finishes until the thermite complete reaction; Equally distributed many metal layer thickness are 3～15mm on the tube wall, obtain the wear-resisting pipe of many metal composite; The firing temperature of said pyrogen igniter is greater than 1600 ℃;
6) make the rotating speed of the wear-resisting pipe of many metal composite remain on 1000-1200rpm, rotate and take off the wear-resisting pipe of many metal composite after 5 minutes;
7) the wear-resisting pipe of many metal composite that takes off in the step 6) being put into salt solution quenches;
8) treat the wear-resisting pipe cooling curing of many metal composite after, it is welded in the flow channels on the valve body, make it to become one with valve;
9) polishing treatment is carried out at the position of valve body in the step 8) and the wear-resisting pipe welding of many metal composite, made many metal composite wearable valve.
4. the method for manufacturing of many metal composite wearable valve according to claim 3 is characterized in that, described steel pipe is seamless steel pipe or steel pipes with straight, and its wall thickness is 3-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101234498A CN102635721A (en) | 2012-04-25 | 2012-04-25 | Multi-metal compound abrasion-resisting valve and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101234498A CN102635721A (en) | 2012-04-25 | 2012-04-25 | Multi-metal compound abrasion-resisting valve and manufacturing method thereof |
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| CN102635721A true CN102635721A (en) | 2012-08-15 |
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| CN2012101234498A Pending CN102635721A (en) | 2012-04-25 | 2012-04-25 | Multi-metal compound abrasion-resisting valve and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912180A (en) * | 2012-10-25 | 2013-02-06 | 无锡中彩新材料股份有限公司 | Metallurgical proportional valve |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2702132Y (en) * | 2004-06-04 | 2005-05-25 | 李汝忠 | Wearable slag discharging valve |
| CN101554651A (en) * | 2009-05-07 | 2009-10-14 | 扬州巨业耐磨复合材料有限责任公司 | Method for producing multi-metal wear-resistant steel pipe |
| CN201827416U (en) * | 2010-09-21 | 2011-05-11 | 夏仁松 | Wear-resistant slurry-discharging gate valve |
-
2012
- 2012-04-25 CN CN2012101234498A patent/CN102635721A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2702132Y (en) * | 2004-06-04 | 2005-05-25 | 李汝忠 | Wearable slag discharging valve |
| CN101554651A (en) * | 2009-05-07 | 2009-10-14 | 扬州巨业耐磨复合材料有限责任公司 | Method for producing multi-metal wear-resistant steel pipe |
| CN201827416U (en) * | 2010-09-21 | 2011-05-11 | 夏仁松 | Wear-resistant slurry-discharging gate valve |
Non-Patent Citations (1)
| Title |
|---|
| 刘富等: "铬含量对ECAP铜铬合金组织和显微硬度的影响", 《热加工工艺》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912180A (en) * | 2012-10-25 | 2013-02-06 | 无锡中彩新材料股份有限公司 | Metallurgical proportional valve |
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Application publication date: 20120815 |