CN107313000A - A kind of oil-gas transportation valve body plasma spraying device and its application method - Google Patents
A kind of oil-gas transportation valve body plasma spraying device and its application method Download PDFInfo
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- CN107313000A CN107313000A CN201710522338.7A CN201710522338A CN107313000A CN 107313000 A CN107313000 A CN 107313000A CN 201710522338 A CN201710522338 A CN 201710522338A CN 107313000 A CN107313000 A CN 107313000A
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- Prior art keywords
- valve body
- housing
- cooling
- gas
- oil
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- 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
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating By Spraying Or Casting (AREA)
- Nozzles (AREA)
Abstract
A kind of oil-gas transportation valve body plasma spraying device and its application method, belong to technical field of hot, by plasma gun, work holder, hydraulic lift, rotating device, pneumatic pinch transmission device, cooling compression ring and air draft mechanism into；Cooling compression ring is arranged on the top of housing, and plasma gun is arranged on the lower section of cooling compression ring, and work holder, pneumatic pinch transmission device, rotating device and hydraulic lift are successively set on housing base from top to bottom；Air exhauster is arranged on the side of housing, and air exhauster one end is connected with the upper end of housing, and the other end is connected with air exit；The opposite side of housing is provided with support, and cooling gas passage and plasma gun passage are fixedly linked with the support.The present invention effectively reduces valve body surface and the temperature of spray gun, reduce the thermal stress of valve body surface coating, it is to avoid the interference in air flow spraying produced in spraying process and dust pollution, realizes the even application of valve body surfaces externally and internally.
Description
Technical field
The invention belongs to technical field of hot, it is related to a kind of plasma spraying device and its application method, particularly
It is related to a kind of oil-gas transportation valve body plasma spraying device and its application method.
Background technology
Plasma spraying is the technology that a kind of material surface strengthening and surface are modified, using the plasma by DC powered
The materials such as ceramics, alloy, metal are heated to melting or semi-molten state by electric arc as thermal source, and to spray at a high speed by pre-
The workpiece surface of processing and the method for forming the superficial layer of adhesion-tight.Oil-gas transportation field is due to containing a large amount of acid in crude oil gas
Property and solid matter, easy burn into washes away valve interior surface, and to be vulnerable to weathering rotten for exposed valve outer surface
Erosion is acted on, and using plasma spraying TiC etc. can effectively reduce corrosion and wash away.
At present, valve body surfaces externally and internally is frequently with conventional method prepares coating, be difficult to shed due to narrow space, heat and
Valve body structure complexity easily causes the problems such as spraying is uneven, and coating quality is difficult to be guaranteed.
The content of the invention
The deficiency that the present invention exists for above-mentioned prior art, proposes that a kind of oil-gas transportation valve body is filled with plasma spray coating
Put and its application method, the device and application method can further reduce dust pollution, it is possible to decrease the temperature of valve body and spray gun, can
Realize the even application of valve body surfaces externally and internally.
The technical scheme is that：A kind of oil-gas transportation valve body plasma spraying device, including housing base and
It is arranged on the housing above housing base；It is characterized in that：The spray equipment also by plasma gun, work holder,
Hydraulic lift, rotating device, pneumatic pinch transmission device, cooling compression ring and air draft mechanism into；The cooling compression ring is set
In the top of housing, cooling compression ring is connected by cooling down gas passage with cooling gas interface；The plasma gun is arranged on described
The lower section of compression ring is cooled down, the plasma gun is connected by plasma gun passage with plasma gun interface；The workpiece
Clamping device, pneumatic pinch transmission device, rotating device and hydraulic lift are successively set on the housing bottom from top to bottom
On seat；The air exhauster is arranged on the side of housing, and described air exhauster one end is connected with the upper end of housing, the other end and exhaust
Outlet is connected；The opposite side of the housing be provided with support, the cooling gas passage and plasma gun passage with the support
It is fixedly linked.
Several air inlet circular holes are laid with the excircle of the housing base.
The cooling gas passage, plasma gun passage are fixedly installed on support above and below.
The cooling compression ring point shellring is around being arranged on housing, and by cooling down, gas passage is connected to carry out housing (17) inside
And the cooling of workpiece.
The top of the housing is provided with cylinder, and cylinder is connected by exhaust passage with air exhauster, and air exhauster is by housing
The waste gas such as dust are discharged from air exit.
The work holder passes through pneumatic pinch transmission device, rotating device, hydraulic lift application valve body
Spray angle, realizes valve body surfaces externally and internally even application.
A kind of application method of oil-gas transportation valve body plasma spraying device, it is characterised in that as follows using step：
(1) valve body has been clamped using work holder；
(2) valve body spray angle is adjusted using hydraulic lift, rotating device；
(3) even application operation is carried out using plasma gun；
(4) cooling gas surround and delivers into housing by cooling compression ring；
(5) a large amount of fresh airs enter enclosure interior from the circular hole of housing base in the presence of air exhauster, and from bottom to top flow
It is dynamic to enter cylinder, so as to cool to valve body and spray gun, finally take dust and waste gas out of housing from air exit.
Usefulness of the present invention：A kind of oil-gas transportation valve body plasma spraying device and its make that the present invention is provided
With method, structure is novel, and operation principle is clear, by plasma gun, work holder, hydraulic lift, rotation in structure
Rotary device, pneumatic pinch transmission device, cooling compression ring and air exhauster are collectively formed, and valve body is pressed from both sides using work holder
Hold, valve body spray angle is adjusted using hydraulic lift and rotating device, with traditional valve body plasma spraying
Device is compared, and the present invention effectively reduces valve body surface and the temperature of spray gun, reduces the thermal stress of valve body surface coating, it is to avoid
The interference in air flow spraying produced in spraying process and dust pollution, realize the even application of valve body surfaces externally and internally.
Brief description of the drawings
Fig. 1 is the overall structure diagram of apparatus of the present invention.
In figure：Cool down gas interface 1, cooling gas passage 2, support 3, plasma torch interface 4, plasma gun passage 5,
Plasma gun 6, housing base 7, hydraulic lift 8, rotating device 9, pneumatic pinch transmission device 10, work holder
11st, cooling compression ring 12, air exit 13, air exhauster 14, exhaust passage 15, cylinder 16, housing 17.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of oil-gas transportation valve body plasma spraying device, including housing base 7 and it is arranged on housing bottom
The housing 17 of the top of seat 7；Also by plasma gun 6, work holder 11, hydraulic lift 8, rotating device 9, pneumatic clamps
Tight transmission device 10, cooling compression ring 12 and air exhauster 14 are constituted；Cooling compression ring 12 is arranged on the top of housing 17, cools down compression ring 12
It is connected by cooling down gas passage 2 with cooling gas interface 1；Plasma gun 6 is arranged on the lower section of cooling compression ring 12, plasma gun
6 are connected by plasma gun passage 5 with plasma gun interface 4；Work holder 11, pneumatic pinch transmission device 10,
Rotating device 9 and hydraulic lift 8 are successively set on housing base 7 from top to bottom；Air exhauster 14 is arranged on housing 17
Side, one end of air exhauster 14 is connected with the upper end of housing 17, and the other end is connected with air exit 13；The opposite side of housing 17 is set
There is support 3, cooling gas passage 2 and plasma gun passage 5 are fixedly linked with the support 3.
As shown in figure 1, uniform on a kind of oil-gas transportation valve body plasma spraying device, the excircle of institute's housing base
Provided with several air inlet circular holes；Cooling gas passage 2, plasma gun passage 5 are fixedly installed on support 3 above and below；Cool down gas
12 points of shellrings of ring are around being arranged on housing 17, by cooling down the connected cooling for carrying out the inside of housing 17 and workpiece of gas passage 2；Shell
The top of body 17 is provided with cylinder 16, and cylinder 16 is connected by exhaust passage 15 with air exhauster 14, and air exhauster 14 is by housing 17
The waste gas such as dust are discharged from air exit 13；Work holder 11 passes through pneumatic pinch transmission device 10, rotating device 9, liquid
The spray angle of the application valve body of lowering or hoisting gear 8 is pressed, valve body surfaces externally and internally even application is realized.
As shown in figure 1, a kind of application method of oil-gas transportation valve body plasma spraying device, as follows using step：
(1) valve body has been clamped using work holder；
(2) valve body spray angle is adjusted using hydraulic lift, rotating device；
(3) even application operation is carried out using plasma gun；
(4) cooling gas surround and delivers into housing by cooling compression ring；
(5) a large amount of fresh airs enter enclosure interior from the circular hole of housing base in the presence of air exhauster, and from bottom to top flow
It is dynamic to enter cylinder, so as to cool to valve body and spray gun, finally take dust and waste gas out of housing from air exit.
Structure of the present invention is novel, and practicality is high, the temperature with reduction valve body surface and spray gun, reduces valve body surface coating
Thermal stress, it is to avoid the interference in air flow spraying produced in spraying process and dust pollution, valve body is realized by valve body clamping device
The advantages of even application of surfaces externally and internally.
Claims (7)
1. a kind of oil-gas transportation valve body plasma spraying device, including housing base (7) and it is arranged on housing base (7)
The housing (17) of side；It is characterized in that：The spray equipment is also by plasma gun (6), work holder (11), hydraulic pressure liter
Falling unit (8), rotating device (9), pneumatic pinch transmission device (10), cooling compression ring (12) and air exhauster (14) are constituted；It is described
Cooling compression ring (12) is arranged on the top of housing (17), and cooling compression ring (12) is by cooling down gas passage (2) and cooling gas interface (1)
It is connected；The plasma gun (6) be arranged on it is described cooling compression ring (12) lower section, the plasma gun (6) by wait from
Sub- spray gun passage (5) is connected with plasma gun interface (4)；The work holder (11), pneumatic pinch transmission device
(10), rotating device (9) and hydraulic lift (8) are successively set on the housing base (7) from top to bottom；The exhausting
Machine (14) is arranged on the side of housing (17), and described air exhauster (14) one end is connected with the upper end of housing (17), the other end with
Air exit (13) is connected；The opposite side of the housing (17) is provided with support (3), the cooling gas passage (2) and plasma spray
Rifle passage (5) is fixedly linked with the support (3).
2. a kind of oil-gas transportation valve body plasma spraying device according to claim 1, it is characterised in that：The shell
Several air inlet circular holes are laid with the excircle of body base.
3. a kind of oil-gas transportation valve body plasma spraying device according to claim 1, it is characterised in that：It is described cold
But gas passage (2), plasma gun passage (5) are fixedly installed on support (3) above and below.
4. a kind of oil-gas transportation valve body plasma spraying device according to claim 1, it is characterised in that：It is described cold
But compression ring (12) point shellring is around being arranged on housing (17), by cool down gas passage (2) be connected carry out housing (17) it is internal and
The cooling of workpiece.
5. a kind of oil-gas transportation valve body plasma spraying device according to claim 1, it is characterised in that：The shell
The top of body (17) is provided with cylinder (16), and cylinder (16) is connected by exhaust passage (15) with air exhauster (14), air exhauster (14)
The waste gas such as the dust in housing (17) are discharged from air exit (13).
6. a kind of oil-gas transportation valve body plasma spraying device according to claim 1, it is characterised in that：The work
Part clamping device (11) passes through pneumatic pinch transmission device (10), rotating device (9), hydraulic lift (8) application valve body
Spray angle, realizes valve body surfaces externally and internally even application.
7. a kind of application method of oil-gas transportation valve body plasma spraying device as claimed in claim 1, its feature exists
In as follows using step：
(1) valve body has been clamped using work holder (11)；
(2) valve body spray angle is adjusted using hydraulic lift (8), rotating device (9)；
(3) even application operation is carried out using plasma gun (6)；
(4) cooling gas surround and delivers into housing (17) by cooling compression ring (12)；
(5) a large amount of fresh airs enter housing (17) inside from the circular hole of housing base (7) in the presence of air exhauster (14), and
Cylinder (16) is from bottom to top flowed into, so as to cool to valve body and spray gun, finally by dust and waste gas from air exit
(13) housing (17) is taken out of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710522338.7A CN107313000A (en) | 2017-06-30 | 2017-06-30 | A kind of oil-gas transportation valve body plasma spraying device and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710522338.7A CN107313000A (en) | 2017-06-30 | 2017-06-30 | A kind of oil-gas transportation valve body plasma spraying device and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107313000A true CN107313000A (en) | 2017-11-03 |
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ID=60180451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710522338.7A Pending CN107313000A (en) | 2017-06-30 | 2017-06-30 | A kind of oil-gas transportation valve body plasma spraying device and its application method |
Country Status (1)
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| CN (1) | CN107313000A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112410720A (en) * | 2020-12-04 | 2021-02-26 | 中国科学院力学研究所 | Coaxial thermocouple transient heat flow sensor node plasma spraying conduction device |
| CN116288128A (en) * | 2023-02-03 | 2023-06-23 | 北京动力机械研究所 | Preparation tool and preparation method based on inner hole thermal barrier coating |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102443754A (en) * | 2011-09-13 | 2012-05-09 | 中国人民解放军装甲兵工程学院 | Dust discharging and preventing as well as cooling device for inner hole plasma spraying |
-
2017
- 2017-06-30 CN CN201710522338.7A patent/CN107313000A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102443754A (en) * | 2011-09-13 | 2012-05-09 | 中国人民解放军装甲兵工程学院 | Dust discharging and preventing as well as cooling device for inner hole plasma spraying |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112410720A (en) * | 2020-12-04 | 2021-02-26 | 中国科学院力学研究所 | Coaxial thermocouple transient heat flow sensor node plasma spraying conduction device |
| CN112410720B (en) * | 2020-12-04 | 2021-06-11 | 中国科学院力学研究所 | Coaxial thermocouple transient heat flow sensor node plasma spraying conduction device |
| CN116288128A (en) * | 2023-02-03 | 2023-06-23 | 北京动力机械研究所 | Preparation tool and preparation method based on inner hole thermal barrier coating |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171103 |