CN108998752A - A kind of preparation method of fluorine lining butterfly valve - Google Patents
A kind of preparation method of fluorine lining butterfly valve Download PDFInfo
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- CN108998752A CN108998752A CN201810955192.XA CN201810955192A CN108998752A CN 108998752 A CN108998752 A CN 108998752A CN 201810955192 A CN201810955192 A CN 201810955192A CN 108998752 A CN108998752 A CN 108998752A
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- Prior art keywords
- spool
- butterfly valve
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- alloy powder
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/056—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Lift Valve (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of preparation methods of fluorine lining butterfly valve, including the following steps: 1) then the mixture for obtaining Co-based alloy powder and powdered graphite is fitted into the alloy coat mixed in spraying equipment；2) spool processed is washed, is then fed into drying equipment drying process, is air-cooled to room temperature；Spool after cooling is sent into heating in medium frequency stove heating, with spray gun to spool face even application alloy coat, 500-650 DEG C is then heated rapidly to, keeps the temperature 15min；3) spool is heated again, is cooled to room temperature into the first cooling process, then spool heats in entering tempering furnace, is cooled to room temperature subsequently into the second cooling process.A kind of preparation method of fluorine lining butterfly valve of the present invention, it realizes and a laminated gold plating is coated to the spool face of corrosion-resistant butterfly valve, not only increase the intensity of spool, and increase the corrosion resistance of spool, wearability, inoxidizability increase the service life of spool, a large amount of resource, save the cost are saved.
Description
Technical field
The present invention relates to a kind of butterfly valves, and in particular to a kind of preparation method of fluorine lining butterfly valve.
Background technique
Valve is widely used in modern society.Especially in water heating pipe fittings technical field, the valve of the prior art has
Many kinds mainly have butterfly valve, angle valve, shut-off valve etc..Butterfly valve is called flap valve, is a kind of simple regulating valve of structure, can be used for
The butterfly valve of the switch control of low pressure pipeline medium refers to that closure member (flap or butterfly plate) is disk, reaches out around valve shaft rotation
A kind of valve for opening and closing.And realize that the major part of the sealing function of butterfly valve is spool and sealing ring engaged therewith, butterfly
Just easily revealing occurs wearing or rupturing in the spool of valve, and scraps entire butterfly valve, therefore improve the corrosion resistant of butterfly valve core
Erosion makes its more reliable just seem particularly necessary.Currently, using ring that is more and more extensive, and using for valve both at home and abroad
Border is more and more severe, and the requirement for valve is also higher and higher, and therefore, the requirement for spool is also constantly being promoted, spool
The problems such as wearability, corrosion resistance, heat-resisting ability, is increasingly prominent, and spool is chronically in liquid, rotten by the impact of liquid
Erosion etc., causes the service life of spool to greatly shorten, and replacement frequently, considerably increases production cost.
Summary of the invention
The technical problem to be solved by the present invention is to currently, both at home and abroad for valve using more and more extensive, and make
Environment is more and more severe, and the requirement for valve is also higher and higher, and therefore, the requirement for spool is also constantly being promoted,
The problems such as wearability of spool, corrosion resistance, heat-resisting ability, is increasingly prominent, and spool is chronically in liquid, by liquid
Impact, corrosion etc., causes the service life of spool to greatly shorten, and replacement frequently, considerably increases production cost, it is therefore intended that mention
For a kind of preparation method of fluorine lining butterfly valve, realizes and a laminated gold plating is coated to the spool face of corrosion-resistant butterfly valve, not only increase
Adding the intensity of spool, and has increased the corrosion resistance of spool, wearability, inoxidizability increases the service life of spool,
A large amount of resource, save the cost are saved.
The present invention is achieved through the following technical solutions:
A kind of preparation method of fluorine lining butterfly valve, including the following steps: 1) nickel-base alloy powder is obtained by mechanical mixture mode
The mixture at end and powdered graphite, powder size are then fed into drier and are dried in 250-300 mesh, and drying temperature is
70-95 DEG C, drying time are as follows: then 15-30min is fitted into the alloy coat mixed in spraying equipment；2) it will process
Spool is first washed, and is then fed into drying equipment and is dried, and drying temperature is at 80-90 DEG C, drying time 5-
Then 10min is air-cooled to room temperature；Spool after cooling feeding intermediate-frequency heating furnace is heated to 400-450 DEG C, subsequently into spraying
In equipment, 500- is then heated rapidly to a thickness of 0.03-0.08mm to spool face even application alloy coat with spray gun
650 DEG C, keep the temperature 15min；3) spool is heated to 1000-1200 DEG C again, 12-15min is kept the temperature, subsequently into the first cooling process
It is cooled to room temperature, then spool is heated to 500-550 DEG C in entering tempering furnace, is cooled to room subsequently into the second cooling process
Temperature；4) spool after cooling is examined, is put in storage；Wherein, Co-based alloy powder chemical component by weight percentage are as follows: Ti:0.5-
1.2%, Cr:18-20%, Si:2.4-4.2%, P:3.0-3.5%, Sn:0.6-1.0%, As:0.02-0.06%, Mo:3.2-
3.8%, W:4-5.5%, Zr:2.6-3.4%, Fe:5-10%, C:1-1.5%, Cu:1.2-2.4%, compound rare-earth 1-
2.8%, remaining is Ni.
The present invention fits the compound rare-earth of content by being added, and can obviously improve the crystalline structure of metal billet, is allowed to tough and tensile,
Cold-forming property improves, and can obtain rare earth element recovery rate to the maximum extent, and be uniformly distributed it in alloy coat,
Its intensity, wearability are obviously increased, corrosion resistance obtains unexpected technical effect.
The present invention increases the corrosion-resistant of spool by uniformly coating nickel-base alloy and graphite linings in spool face, resistance to
Mill, ability resistant to high temperature add Cu to improve corrosion resistance of the nickel in reductant, and in the flow at high speed seawater of inflation
Even passivity；Cr assigns anti-oxidant, sulfuration resistant the ability under the resistance to corrosion and high temperature of nickel under oxidative conditions；Mo is aobvious
Write the corrosion stability for improving nickel in reproducibility acid；Cr is added simultaneously in nickel alloy, Mo element can improve it in oxidisability simultaneously
Corrosion resistance in medium and reductant.
The present invention realizes and coats a laminated gold plating to the spool face of butterfly valve, not only increases the intensity of spool, and
And the corrosion resistance of spool is increased, and wearability, inoxidizability increases the service life of spool, a large amount of resource has been saved,
Save the cost.
Co-based alloy powder chemical component by weight percentage are as follows: Ti:0.7-1.0%, Cr:18-20%, Si:3.0-
3.5%, P:3.0-3.3%, Sn:0.7-0.9%, As:0.04-0.06%, Mo:3.5-3.8%, W:4.5-5%, Zr:2.8-
3.2%, Fe:6-8%, C:1-1.2%, Cu:1.8-2.0%, compound rare-earth 1.5-2.5%, remaining is Ni.
Co-based alloy powder chemical component by weight percentage are as follows: Ti:0.5%, Cr:18%, Si:2.4%, P:3.0%,
Sn:0.6%, As:0.02%, Mo:3.2%, W:4%, Zr:2.6%, Fe:5%, C:1%, Cu:1.2%, compound rare-earth 1%,
Remaining is Ni.
Co-based alloy powder chemical component by weight percentage are as follows: Ti:0.9%, Cr:19%, Si:3.2%, P:3.3%,
Sn:0.8%, As:0.04%, Mo:3.5%, W:5.5%, Zr:3.4%, Fe:8%, C:1.3%, Cu:1.9%, compound rare-earth
2%, remaining is Ni.
Co-based alloy powder chemical component by weight percentage are as follows: Ti:1.2%, Cr:20%, Si:4.2%, P:3.5%,
Sn:1.0%, As:0.06%, Mo:3.8%, W:4.8%, Zr:3.0%, Fe:10%, C:1.5%, Cu:2.4% are compound dilute
Soil 2.8%, remaining is Ni.
Compared with prior art, the present invention having the following advantages and benefits:
A kind of preparation method of fluorine lining butterfly valve of the present invention realizes and coats a laminated gold to the spool face of corrosion-resistant butterfly valve
Coating, not only increases the intensity of spool, and increases the corrosion resistance of spool, and wearability, inoxidizability increases spool
Service life, saved a large amount of resource, save the cost.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment, the present invention is made
Further to be described in detail, exemplary embodiment of the invention and its explanation for explaining only the invention, are not intended as to this
The restriction of invention.
Embodiment 1
A kind of preparation method of fluorine lining butterfly valve of the present invention, including the following steps: 1) obtained by mechanical mixture mode Ni-based
The mixture of alloy powder and powdered graphite, powder size are then fed into drier and are dried in 250 mesh, drying temperature
It is 70 DEG C, drying time are as follows: then 15min is fitted into the alloy coat mixed in spraying equipment；2) spool that will be processed
It is first washed, is then fed into drying equipment and is dried, drying temperature is then empty at 80 DEG C, drying time 5min
It is cooled to room temperature；Spool after cooling feeding intermediate-frequency heating furnace is heated to 400 DEG C, subsequently into spraying equipment, with spray gun to
Then spool face even application alloy coat is heated rapidly to 500 DEG C with a thickness of 0.03mm, keep the temperature 15min；3) again by valve
Core is heated to 1000 DEG C, keeps the temperature 12min, is cooled to room temperature subsequently into the first cooling process, and then spool is entering tempering furnace
In be heated to 500 DEG C, be cooled to room temperature subsequently into the second cooling process；4) spool after cooling is examined, is put in storage；Wherein,
Co-based alloy powder chemical component by weight percentage are as follows: Ti:0.5%, Cr:18%, Si:2.4%, P:3.0%, Sn:
0.6%, As:0.02%, Mo:3.2%, W:4%, Zr:2.6%, Fe:5%, C:1%, Cu:1.2%, compound rare-earth 1%,
Remaining is Ni.
Embodiment 2
A kind of preparation method of fluorine lining butterfly valve of the present invention, including the following steps: 1) obtained by mechanical mixture mode Ni-based
The mixture of alloy powder and powdered graphite, powder size are then fed into drier and are dried in 300 mesh, drying temperature
It is 95 DEG C, drying time are as follows: then 30min is fitted into the alloy coat mixed in spraying equipment；2) spool that will be processed
It is first washed, is then fed into drying equipment and is dried, drying temperature is then empty at 90 DEG C, drying time 10min
It is cooled to room temperature；Spool after cooling feeding intermediate-frequency heating furnace is heated to 450 DEG C, subsequently into spraying equipment, with spray gun to
Then spool face even application alloy coat is heated rapidly to 650 DEG C with a thickness of 0.08mm, keep the temperature 15min；3) again by valve
Core is heated to 1200 DEG C, keeps the temperature 15min, is cooled to room temperature subsequently into the first cooling process, and then spool is entering tempering furnace
In be heated to 550 DEG C, be cooled to room temperature subsequently into the second cooling process；4) spool after cooling is examined, is put in storage；Wherein,
Co-based alloy powder chemical component by weight percentage are as follows: Ti:0.9%, Cr:19%, Si:3.2%, P:3.3%, Sn:
0.8%, As:0.04%, Mo:3.5%, W:5.5%, Zr:3.4%, Fe:8%, C:1.3%, Cu:1.9%, compound rare-earth
2%, remaining is Ni., As:0.04%, Mo:3.5%, Fe:8%, C:1.3%, Cu:1.9%, compound rare-earth 2%, remaining is
Ni。
Embodiment 3
A kind of preparation method of fluorine lining butterfly valve of the present invention, including the following steps: 1) obtained by mechanical mixture mode Ni-based
The mixture of alloy powder and powdered graphite, powder size are then fed into drier and are dried in 280 mesh, drying temperature
It is 85 DEG C, drying time are as follows: then 25min is fitted into the alloy coat mixed in spraying equipment；2) spool that will be processed
It is first washed, is then fed into drying equipment and is dried, drying temperature is then empty at 85 DEG C, drying time 8min
It is cooled to room temperature；Spool after cooling feeding intermediate-frequency heating furnace is heated to 420 DEG C, subsequently into spraying equipment, with spray gun to
Then spool face even application alloy coat is heated rapidly to 600 DEG C with a thickness of 0.05mm, keep the temperature 15min；3) again by valve
Core is heated to 1100 DEG C, keeps the temperature 13min, is cooled to room temperature subsequently into the first cooling process, and then spool is entering tempering furnace
In be heated to 530 DEG C, be cooled to room temperature subsequently into the second cooling process；4) spool after cooling is examined, is put in storage；Wherein,
Co-based alloy powder chemical component by weight percentage are as follows: Ti:1.2%, Cr:20%, Si:4.2%, P:3.5%, Sn:
1.0%, As:0.06%, Mo:3.8%, W:4.8%, Zr:3.0%, Fe:10%, C:1.5%, Cu:2.4%, compound rare-earth
2.8%, remaining is Ni.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (5)
1. a kind of preparation method of fluorine lining butterfly valve, characterized in that it comprises the following steps: 1) obtain nickel by mechanical mixture mode
The mixture of base alloy powder and powdered graphite, powder size are then fed into drier and are dried in 250-300 mesh, do
Dry temperature is 70-95 DEG C, drying time are as follows: then 15-30min is fitted into the alloy coat mixed in spraying equipment；2) will
The spool processed is first washed, and is then fed into drying equipment and is dried, and drying temperature is at 80-90 DEG C, when dry
Between be 5-10min, be then air-cooled to room temperature；By spool after cooling feeding intermediate-frequency heating furnace be heated to 400-450 DEG C, then into
Enter in spraying equipment, with spray gun to spool face even application alloy coat, with a thickness of 0.03-0.08mm, then heating rapidly
To 500-650 DEG C, 15min is kept the temperature；3) spool is heated to 1000-1200 DEG C again, keeps the temperature 12-15min, it is cold subsequently into first
But process is cooled to room temperature, and then spool is heated to 500-550 DEG C in entering tempering furnace, cold subsequently into the second cooling process
But to room temperature；4) spool after cooling is examined, is put in storage；Wherein, Co-based alloy powder chemical component by weight percentage are as follows:
Ti:0.5-1.2%, Cr:18-20%, Si:2.4-4.2%, P:3.0-3.5%, Sn:0.6-1.0%, As:0.02-0.06%,
Mo:3.2-3.8%, W:4-5.5%, Zr:2.6-3.4%, Fe:5-10%, C:1-1.5%, Cu:1.2-2.4%, compound rare-earth
1-2.8%, remaining is Ni.
2. a kind of preparation method of fluorine lining butterfly valve according to claim 1, which is characterized in that Co-based alloy powder is by weight
Percentage chemical component are as follows: Ti:0.7-1.0%, Cr:18-20%, Si:3.0-3.5%, P:3.0-3.3%, Sn:0.7-
0.9%, As:0.04-0.06%, Mo:3.5-3.8%, W:4.5-5%, Zr:2.8-3.2%, Fe:6-8%, C:1-1.2%,
Cu:1.8-2.0%, compound rare-earth 1.5-2.5%, remaining is Ni.
3. a kind of preparation method of fluorine lining butterfly valve according to claim 1, which is characterized in that Co-based alloy powder is by weight
Percentage chemical component are as follows: Ti:0.5%, Cr:18%, Si:2.4%, P:3.0%, Sn:0.6%, As:0.02%, Mo:
3.2%, W:4%, Zr:2.6%, Fe:5%, C:1%, Cu:1.2%, compound rare-earth 1%, remaining is Ni.
4. a kind of preparation method of fluorine lining butterfly valve according to claim 1, which is characterized in that Co-based alloy powder is by weight
Percentage chemical component are as follows: Ti:0.9%, Cr:19%, Si:3.2%, P:3.3%, Sn:0.8%, As:0.04%, Mo:
3.5%, W:5.5%, Zr:3.4%, Fe:8%, C:1.3%, Cu:1.9%, compound rare-earth 2%, remaining is Ni.
5. a kind of preparation method of fluorine lining butterfly valve according to claim 1, which is characterized in that Co-based alloy powder is by weight
Percentage chemical component are as follows: Ti:1.2%, Cr:20%, Si:4.2%, P:3.5%, Sn:1.0%, As:0.06%, Mo:
3.8%, W:4.8%, Zr:3.0%, Fe:10%, C:1.5%, Cu:2.4%, compound rare-earth 2.8%, remaining is Ni.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810955192.XA CN108998752A (en) | 2018-08-21 | 2018-08-21 | A kind of preparation method of fluorine lining butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810955192.XA CN108998752A (en) | 2018-08-21 | 2018-08-21 | A kind of preparation method of fluorine lining butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108998752A true CN108998752A (en) | 2018-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810955192.XA Withdrawn CN108998752A (en) | 2018-08-21 | 2018-08-21 | A kind of preparation method of fluorine lining butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108998752A (en) |
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2018
- 2018-08-21 CN CN201810955192.XA patent/CN108998752A/en not_active Withdrawn
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Legal Events
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| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181214 |
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| WW01 | Invention patent application withdrawn after publication |