CN103527807B - Ceramic composite coating type anticorrosion valve and ceramic composite coating thereof the coating processes in anticorrosion valve - Google Patents
Ceramic composite coating type anticorrosion valve and ceramic composite coating thereof the coating processes in anticorrosion valve Download PDFInfo
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- CN103527807B CN103527807B CN201310515474.5A CN201310515474A CN103527807B CN 103527807 B CN103527807 B CN 103527807B CN 201310515474 A CN201310515474 A CN 201310515474A CN 103527807 B CN103527807 B CN 103527807B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0657—Particular coverings or materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/007—After-treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
- B05D3/0272—After-treatment with ovens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K25/00—Details relating to contact between valve members and seat
- F16K25/04—Arrangements for preventing erosion, not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0647—Spindles or actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
Abstract
The present invention relates to the corrosion resistant application technology of a kind of valve, specifically a kind of ceramic composite coating type anticorrosion valve and the coating processes of ceramic composite coating in anticorrosion valve thereof.The present invention is a kind of wear-resistant and etch-proof ceramic coating, adopt adopts ceramic composite coating to spray on valve parts, with high content of technology, there is good decay resistance, low coefficient of friction, sealing pair is made up of coating and Plastic material, so it is little to have frictional force, switch moment is little, the advantages such as long service life, and increases valve application area in corrosion-resistant fluid applications, the use of alternative corrosion-resisting alloy steel, has obvious social benefit.
Description
Technical field
The present invention relates to the corrosion resistant application technology of a kind of valve, specifically a kind of ceramic composite coating type anticorrosion valve and the coating processes of ceramic composite coating in anticorrosion valve thereof.
Background technique
Along with the minimizing of petroleum-in-place, offshore production platform continues to increase, and grows with each passing day to corrosion resistance transfer line demand, but seawater is very serious to the corrosion of valve member, and development strong corrosion resistant valve also becomes an important topic of current valve development.
Two component flexible ceramic corrosion-resistant abrasion coating FZV-601, it provides excellent wear-resistant and corrosion protection in particular surroundings, is applicable to all metallic material, glass fibre reinforced plastics etc.Be adopt unique mode to mix with high-performance epoxy resin and ceramic fine powder, promote coating property and be suitable for severe suitable environment.
Summary of the invention
In order to solve the use problem of valve at corrosion-resistant fluid applications.The invention provides a kind of ceramic composite coating type anticorrosion valve and the coating processes of ceramic composite coating in anticorrosion valve thereof, the technical solution that the present invention adopts is:
A kind of ceramic composite coating type anticorrosion valve, include operating grip, valve body (4), with the spheroid (2) be located in valve body (4), valve seat (5), valve rod (3), bearing (6), described operating grip is fixedly connected with spheroid (2) upper end by valve rod (3), described spheroid (2) lower end is fixedly connected with bearing (6), it is characterized in that, described anticorrosion valve also includes coating, and this coating is made up of ceramic coating and is covered in spheroid (2), valve rod (3), valve body (4), valve seat (5), bearing (6) surface.
Described ceramic composite coating type anticorrosion valve, is characterized in that: described ceramic coating is two component flexible ceramic corrosion-resistant abrasion coating.
Described ceramic composite coating type anticorrosion valve, is characterized in that: two components of described ceramic coating are submicrometre ceramic particle and novolac epoxy resin.
Described ceramic composite coating type anticorrosion valve, is characterized in that: described coating is formed through hot setting after being coated on valve member by ceramic coating.
Described ceramic composite coating type anticorrosion valve, is characterized in that: the thickness range of described coating is 200-800 μm.
The coating processes of ceramic composite coating in anticorrosion valve, is characterized in that: the coating processes of described anticorrosion valve is as follows:
metalwork is carried out clean, adopt sandblasting or hand sand process to metal white;
described ceramic coating is surperficial at valve member by spray coating;
hot setting process is carried out to coating.
reconditioning process is carried out to the valve member sprayed.
The coating processes of described ceramic composite coating in anticorrosion valve, is characterized in that: described step (3) coating is carried out hot setting process and comprised:
A) coating surface drying 5-10 minute under 30 DEG C of room temperatures;
B) hot air condition lower substrate change 10-15 minute in 40-90 DEG C of baking oven;
C) 3-7 days is solidified completely under 25 DEG C of room temperatures.
The invention has the beneficial effects as follows: this invention adopts ceramic composite coating to spray on part, with high content of technology, there is good decay resistance, low coefficient of friction, sealing pair is made up of coating and Plastic material, so it is little to have frictional force, switch moment is little, the advantages such as long service life, increase valve application area in corrosion-resistant fluid applications, substitute the use of anti-corrosive alloy material.
Accompanying drawing explanation
Fig. 1 is the sectional view of one embodiment of the invention.
Fig. 2 is the enlarged view at Figure 1A place.
In figure, 2-spheroid, 3-bearing, 4-valve body, 5-valve seat, 6-valve rod.
Embodiment
The invention provides a kind of ceramic composite coating type anticorrosion valve and the coating processes of ceramic composite coating in anticorrosion valve thereof, below in conjunction with accompanying drawing, the invention will be further described:
A kind of ceramic composite coating type anticorrosion valve, include operating grip, valve body (4), with the spheroid (2) be located in valve body (4), valve seat (5), valve rod (3), bearing (6), described operating grip is fixedly connected with spheroid (2) upper end by valve rod (3), described spheroid (2) lower end is fixedly connected with bearing (6), it is characterized in that, described anticorrosion valve also includes coating, and this coating is made up of ceramic coating and is covered in spheroid (2), valve rod (3), valve body (4), valve seat (5), bearing (6) surface.
As shown in Figure 2, the sealing pair of ball valve is made up of spheroid 2 and valve seat 5, owing to being coated with high-performance ceramic composite coating on spheroid 2, make the sealing pair of valve by the metal of conventional construction and plastic composition, become composite coating and plastic composition, greatly reduce friction factor, decrease the scratch of sealing pair, ensure that the temperature of sealability, also extend the working life of valve.
The coating processes of described anticorrosion valve is as follows:
metalwork is carried out clean, adopt sandblasting or hand sand process to metal white;
described ceramic coating is surperficial at valve member by spray coating;
hot setting process is carried out to coating.
reconditioning process is carried out to the valve member sprayed.
Two component flexible ceramic corrosion-resistant abrasion coating mixed proportion: PARTA:PARTB volume ratio: 12:1, PARTA:PARTB weight ratio: 20.5:1
PARTA: submicrometre ceramic particle
PARTB: novolac epoxy resin
Life-span used in combination: the coating life-span is (at the temperature of 22 DEG C) within one hour
Spraying suitable environment: optimal climatic environment is dry calm, normal temperature 18-25 DEG C state.
Before spraying, roughing is carried out to valve parts, to turbidity test, the surface roughness of part, size strictly controls (NACE1, SSPC-SP5, Svensk Standard SA21/2), under the operating environment of regulation, according to construction parameter, valve parts is sprayed, then establishing criteria detects coating.
Coating thickness is 200-800 μm, and preferred version is 400 μm.
The spraying of ceramic coating should spray in eight hours after sandblasting operation.
Spraying method is Airless spraying, low pressure spray and air spraying.
Coating surface drying: 5-10 minute (30 DEG C), matrix changes: 10-15 minute (40-90 DEG C of baking oven hot air) solidifies completely: 3-7 days (25 DEG C)
Coating detects:
thickness sensitivity: ASTMD1186 uses magnetic film thickness detector to carry out film thickness measuring
pin hole is tested: according to NACERP-0188 standard, uses low pressure wet sponge type Holiday detector to test, the defects such as coating surface free of pinholes, space, impurity, tiny stain and bubble.
adhesion is tested: according to ASTMD4541, uses hydraulic type testing instrument adhesion tensile strength at more than 5MPa
appearance of coat checks: appearance of coat bubble-free, obviously sagging and cracking, the defect such as to peel off.
Claims (4)
1. a ceramic composite coating type anticorrosion valve, include operating grip, valve body (4), with the spheroid (2) be located in valve body (4), valve seat (5), valve rod (3), bearing (6), described operating grip is fixedly connected with spheroid (2) upper end by valve rod (3), described spheroid (2) lower end is fixedly connected with bearing (6), it is characterized in that, described anticorrosion valve also includes coating, this coating is made up of ceramic coating and is covered in spheroid (2), valve rod (3), valve body (4), valve seat (5), bearing (6) surface, described ceramic coating is two component flexible ceramic corrosion-resistant abrasion coatings, two components of described ceramic coating are submicrometre ceramic particle and novolac epoxy resin, two component flexible ceramic corrosion-resistant abrasion coating mixed proportion: PARTA:PARTB volume ratio: 12:1, PARTA:PARTB weight ratio: 20.5:1, wherein PARTA: submicrometre ceramic particle, PARTB: novolac epoxy resin.
2. ceramic composite coating type anticorrosion valve according to claim 1, is characterized in that: described coating is formed through hot setting after being coated on valve member by ceramic coating.
3. ceramic composite coating type anticorrosion valve according to claim 1, is characterized in that: the thickness range of described coating is 400 μm.
4. the coating processes of ceramic composite coating in anticorrosion valve for the ceramic composite coating type anticorrosion valve described in claim 1-3 any one, is characterized in that: the coating processes of described anticorrosion valve is as follows:
metalwork is carried out clean, adopt sandblasting or hand sand process to metal white;
described ceramic coating is surperficial at valve member by spray coating;
carry out hot setting process to coating: coating surface drying 5-10 minute under 30 DEG C of room temperatures, in 40-90 DEG C of baking oven, hot air condition lower substrate change 10-15 minute, solidifies 3-7 days under 25 DEG C of room temperatures completely;
reconditioning process is carried out to the valve member sprayed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310515474.5A CN103527807B (en) | 2013-10-29 | 2013-10-29 | Ceramic composite coating type anticorrosion valve and ceramic composite coating thereof the coating processes in anticorrosion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310515474.5A CN103527807B (en) | 2013-10-29 | 2013-10-29 | Ceramic composite coating type anticorrosion valve and ceramic composite coating thereof the coating processes in anticorrosion valve |
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| Publication Number | Publication Date |
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| CN103527807A CN103527807A (en) | 2014-01-22 |
| CN103527807B true CN103527807B (en) | 2016-01-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016011556A1 (en) * | 2014-07-23 | 2016-01-28 | George Kim | Protective composite surfaces |
| CN105276283A (en) * | 2015-09-29 | 2016-01-27 | 李文霞 | Manufacturing method of plastic valve with metal feeling |
| CN107384121A (en) * | 2017-07-18 | 2017-11-24 | 阜南县民安人防工程设备有限公司 | A kind of anticorrosive paint and spraying method of water conservancy gate protective coating |
| CN107694882A (en) * | 2017-11-08 | 2018-02-16 | 刘兴满 | The spraying coating process of water pump external skin |
| CN107745233A (en) * | 2017-11-14 | 2018-03-02 | 郑媛媛 | A kind of high temperature resistant handling process of Nanosurface refractory metal valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3841026A1 (en) * | 1988-12-06 | 1990-06-07 | Josef Nemetz | Shut-off fitting in a housing lined with plastic |
| CN101545546B (en) * | 2008-03-28 | 2010-10-06 | 辽宁华运控制设备制造有限公司 | Production method of tungsten-carbide cermet composite-material wear-resistant ball valve |
| CN102228885B (en) * | 2011-04-29 | 2013-04-17 | 浙江金得利电器有限公司 | Preparation process of anti-corrosion high-temperature-resistant ceramic compounding membrane layer, phosphorization liquid and coating thereof |
| CN102506268B (en) * | 2011-09-26 | 2013-11-06 | 辽宁卓异新材料有限公司 | Method for modifying wear resistance and corrosion prevention of metal component surface |
| CN102601027B (en) * | 2011-12-22 | 2013-10-30 | 四川省川建管道有限公司 | Anti-corrosion technology for coating epoxy ceramic on cast iron pipe fitting |
| CN203532844U (en) * | 2013-10-29 | 2014-04-09 | 方正阀门集团有限公司 | Anti-corrosion valve with ceramic composite coatings |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Ceramic composite coating type anticorrosion valve and ceramic composite coating thereof the coating processes in anticorrosion valve Effective date of registration: 20161213 Granted publication date: 20160106 Pledgee: Zhejiang bank Wenzhou Limited by Share Ltd Yongjia branch Pledgor: Founder valve Group Co.,Ltd Registration number: 2016330000093 |
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Address after: 325000 no.1921 Binhai 1st Road, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee after: Founder Valve Group Co.,Ltd. Address before: Yongjia oubeizhen Wenzhou County of Zhejiang province 325102 city and industrial district Patentee before: FANGZHENG VALVE GROUP Co.,Ltd. |
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