CN109719457A - A kind of sealing ring restorative procedure - Google Patents
A kind of sealing ring restorative procedure Download PDFInfo
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- CN109719457A CN109719457A CN201910186490.1A CN201910186490A CN109719457A CN 109719457 A CN109719457 A CN 109719457A CN 201910186490 A CN201910186490 A CN 201910186490A CN 109719457 A CN109719457 A CN 109719457A
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- sealing ring
- restorative procedure
- wear
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Abstract
The invention discloses a kind of sealing ring restorative procedures, belong to sealing ring technical field；Sealing ring restorative procedure is the following steps are included: (1) checks the degree of wear of sealing ring and determines recovery scenario；(2) seal wears face is pre-processed；(3) built-up welding is carried out to pretreated wear surface by resurfacing welding material；(4) sealing ring of heap postwelding is post-processed；The present invention is by checking the sealing ring of abrasion, pre-processing, built-up welding and post-processing not only by waste recycling can reach the performance of Xinmi City's seal ring, and improves the wearability of sealing ring, substantially prolongs service life；The rehabilitation cost of renovation technique of the present invention greatly reduces production cost, and simple process far below purchase new product, easily operated.
Description
Technical field
The present invention relates to sealing ring technical field, specifically a kind of sealing ring restorative procedure.
Background technique
Sealing ring is a kind of band annular seal jaggy, by by pressure hold together after possessed by elasticity and be pushed against static element
Inner hole wall on seal.According to the difference of manufacturing method and material, sealing ring has integral seal ring (with same material
Material manufacture), complex sealing ring, surface overlaying hard alloy and ceramic coated equal various structures.
In the mixer course of work, to prevent material by revealing in the gap between the shaft and banburying chamber of rotor, lead to
Often working in the both ends of shaft and the junction of banburying chamber setting rotary packing ring and stationary seal ring, rotary packing ring and stationary seal ring
When due to having abrasion with shaft contacts, it needs to be replaced regularly, and the sealing ring of replacement can only work as waste disposal, and new
Sealing ring is expensive, and use cost is high.
Summary of the invention
The purpose of the present invention is to provide a kind of sealing ring restorative procedures, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of sealing ring restorative procedure, comprising the following steps:
(1) it checks the degree of wear of sealing ring and determines recovery scenario；
(2) seal wears face is pre-processed；
(3) built-up welding is carried out to pretreated wear surface by resurfacing welding material；
(4) sealing ring of heap postwelding is post-processed；
The chemical element component and mass percent that resurfacing welding material contains in the step (3) are as follows: C:0.25-0.5%, Si:0.1-
0.5%, Mn:2.5-5%, Cr:7.5-15%, Ni:25-35%, Mo:1.5-3.5%, Ti:0.25-0.75%, Cu:0.1-0.5%, V:
0.02-0.05%, surplus Fe.
As a further solution of the present invention: the degree of wear includes sealing ring precision, wear surface size in the step (1)
With wear surface surface defect.
As a further solution of the present invention: pretreatment includes cleaning and lathe process in the step (2).
As a further solution of the present invention: the cleaning is described for sealing ring is impregnated 10-30min in cleaning solution
Lathe process is that wear surface is passed through lathe process to plane without abrasion.
As a further solution of the present invention: the cleaning solution includes the raw material of following mass percent: citric acid 5-
15%, salicylic acid 1-5%, triethanolamine 2-6%, nickel sulfate 5-10%, surplus are deionized water.
As a further solution of the present invention: making to wear surface build-up welding height using cold dome technique for overlaying in the step (3)
2-5mm is higher by than sealing ring standard size.
As a further solution of the present invention: post-processing is that wear surface is supreme by lathe process in the step (4)
In standard size 0.5-1mm, it is then polished to standard size.
Compared with prior art, the beneficial effects of the present invention are: by being checked the sealing ring of abrasion, being pre-processed,
Built-up welding and post-processing can reach the performance of Xinmi City's seal ring not only by waste recycling, and improve the resistance to of sealing ring
Mill property, substantially prolongs service life；The rehabilitation cost of renovation technique of the present invention greatly reduces life far below purchase new product
Cost, and simple process are produced, it is easily operated.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
A kind of sealing ring restorative procedure, comprising the following steps:
(1) it checks the degree of wear of sealing ring and is repaired according to the determination of sealing ring precision, wear surface size and wear surface surface defect
Compound case；
(2) seal wears face is pre-processed: sealing ring is first impregnated into 10min in cleaning solution, it then will by lathe
Wear surface is machined to plane without abrasion；The cleaning solution includes the raw material of following mass percent: citric acid 15%, salicylic acid
5%, triethanolamine 6%, nickel sulfate 10%, surplus is deionized water；
(3) built-up welding is carried out to pretreated wear surface by resurfacing welding material: is made by resurfacing welding material using cold dome technique for overlaying
It wears surface build-up welding height and is higher by 5mm than sealing ring standard size；The chemical element component and mass percent that resurfacing welding material contains
Are as follows: C:0.25%, Si:0.1%, Mn:2.5%, Cr:7.5%, Ni:25%, Mo:1.5%, Ti:0.25%, Cu:0.1%, V:0.02%, it is remaining
Amount is Fe；
(4) sealing ring of heap postwelding is post-processed: is specially by lathe process by wear surface to being higher than standard size
Then 0.5mm is polished to standard size.
Embodiment 2
A kind of sealing ring restorative procedure, comprising the following steps:
(1) it checks the degree of wear of sealing ring and is repaired according to the determination of sealing ring precision, wear surface size and wear surface surface defect
Compound case；
(2) seal wears face is pre-processed: sealing ring is first impregnated into 20min in cleaning solution, it then will by lathe
Wear surface is machined to plane without abrasion；The cleaning solution includes the raw material of following mass percent: citric acid 10%, salicylic acid
3%, triethanolamine 4%, nickel sulfate 8%, surplus is deionized water；
(3) built-up welding is carried out to pretreated wear surface by resurfacing welding material: is made by resurfacing welding material using cold dome technique for overlaying
It wears surface build-up welding height and is higher by 4mm than sealing ring standard size；The chemical element component and mass percent that resurfacing welding material contains
Are as follows: C:0.35%, Si:0.3%, Mn:3.5%, Cr:12%, Ni:30%, Mo:2.5%, Ti:0.5%, Cu:0.3%, V:0.04%, surplus
For Fe；
(4) sealing ring of heap postwelding is post-processed: is specially by lathe process by wear surface to being higher than standard size
Then 0.7mm is polished to standard size.
Embodiment 3
A kind of sealing ring restorative procedure, comprising the following steps:
(1) it checks the degree of wear of sealing ring and is repaired according to the determination of sealing ring precision, wear surface size and wear surface surface defect
Compound case；
(2) seal wears face is pre-processed: sealing ring is first impregnated into 30min in cleaning solution, it then will by lathe
Wear surface is machined to plane without abrasion；The cleaning solution includes the raw material of following mass percent: citric acid 15%, salicylic acid
5%, triethanolamine 6%, nickel sulfate 10%, surplus is deionized water；
(3) built-up welding is carried out to pretreated wear surface by resurfacing welding material: is made by resurfacing welding material using cold dome technique for overlaying
It wears surface build-up welding height and is higher by 2mm than sealing ring standard size；The chemical element component and mass percent that resurfacing welding material contains
Are as follows: C:0.5%, Si:0.1-0.5%, Mn:5%, Cr:15%, Ni:35%, Mo:3.5%, Ti:0.75%, Cu:0.5%, V:0.05%, it is remaining
Amount is Fe；
(4) sealing ring of heap postwelding is post-processed: is specially by lathe process by wear surface to being higher than standard size
Then 1mm is polished to standard size.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of sealing ring restorative procedure, which comprises the following steps:
It checks the degree of wear of sealing ring and determines recovery scenario；
Seal wears face is pre-processed；
Built-up welding is carried out to pretreated wear surface by resurfacing welding material；
The sealing ring of heap postwelding is post-processed；
The chemical element component and mass percent that resurfacing welding material contains in the step (3) are as follows: C:0.25-0.5%, Si:0.1-
0.5%, Mn:2.5-5%, Cr:7.5-15%, Ni:25-35%, Mo:1.5-3.5%, Ti:0.25-0.75%, Cu:0.1-0.5%, V:
0.02-0.05%, surplus Fe.
2. sealing ring restorative procedure according to claim 1, it is characterised in that: the degree of wear includes in the step (1)
Sealing ring precision, wear surface size and wear surface surface defect.
3. sealing ring restorative procedure according to claim 1, it is characterised in that: pretreatment includes clear in the step (2)
It washes and lathe process.
4. sealing ring restorative procedure according to claim 3, it is characterised in that: the cleaning is by sealing ring in cleaning solution
Middle immersion 10-30min, the lathe process are that wear surface is passed through lathe process to plane without abrasion.
5. sealing ring restorative procedure according to claim 4, it is characterised in that: the cleaning solution includes following quality percentage
The raw material of ratio: citric acid 5-15%, salicylic acid 1-5%, triethanolamine 2-6%, nickel sulfate 5-10%, surplus are deionized water.
6. sealing ring restorative procedure according to claim 1, it is characterised in that: use cold dome built-up welding in the step (3)
Technology makes abrasion surface build-up welding height be higher by 2-5mm than sealing ring standard size.
7. sealing ring restorative procedure according to claim 1, it is characterised in that: post-processing is that will grind in the step (4)
Damage face, to standard size 0.5-1mm is higher than, is then polished to standard size by lathe process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910186490.1A CN109719457A (en) | 2019-03-13 | 2019-03-13 | A kind of sealing ring restorative procedure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910186490.1A CN109719457A (en) | 2019-03-13 | 2019-03-13 | A kind of sealing ring restorative procedure |
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| CN109719457A true CN109719457A (en) | 2019-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910186490.1A Pending CN109719457A (en) | 2019-03-13 | 2019-03-13 | A kind of sealing ring restorative procedure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340613A (en) * | 2019-06-25 | 2019-10-18 | 营口忠旺铝业有限公司 | A method of repairing aluminium alloy section surface defect |
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|---|---|---|---|---|
| JPH04197597A (en) * | 1990-11-29 | 1992-07-17 | Toshiba Corp | Resistance welding electrode material |
| CN102528222A (en) * | 2010-12-15 | 2012-07-04 | 中冶焊接科技有限公司 | Overlaying-combining-remanufacturing substrate material for Cr4 and Cr5 series of hot rolling work rolls and back-up rolls |
| CN103481010A (en) * | 2013-09-17 | 2014-01-01 | 柳州市三龙耐磨焊接科技有限公司 | Novel full-automatic online cold welding repairing process for roll squeezers |
| JP5842192B2 (en) * | 2012-07-26 | 2016-01-13 | 石川県 | Welding material with excellent wear resistance and its construction method |
| CN106166660A (en) * | 2016-07-20 | 2016-11-30 | 嘉兴翰德圣激光再制造技术有限公司 | A kind of smooth shaft online renovation technique of abrasion |
| CN108817843A (en) * | 2018-08-13 | 2018-11-16 | 安徽鼎恒再制造产业技术研究院有限公司 | A kind of monodentate crusher renovation technique |
-
2019
- 2019-03-13 CN CN201910186490.1A patent/CN109719457A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04197597A (en) * | 1990-11-29 | 1992-07-17 | Toshiba Corp | Resistance welding electrode material |
| CN102528222A (en) * | 2010-12-15 | 2012-07-04 | 中冶焊接科技有限公司 | Overlaying-combining-remanufacturing substrate material for Cr4 and Cr5 series of hot rolling work rolls and back-up rolls |
| JP5842192B2 (en) * | 2012-07-26 | 2016-01-13 | 石川県 | Welding material with excellent wear resistance and its construction method |
| CN103481010A (en) * | 2013-09-17 | 2014-01-01 | 柳州市三龙耐磨焊接科技有限公司 | Novel full-automatic online cold welding repairing process for roll squeezers |
| CN106166660A (en) * | 2016-07-20 | 2016-11-30 | 嘉兴翰德圣激光再制造技术有限公司 | A kind of smooth shaft online renovation technique of abrasion |
| CN108817843A (en) * | 2018-08-13 | 2018-11-16 | 安徽鼎恒再制造产业技术研究院有限公司 | A kind of monodentate crusher renovation technique |
Non-Patent Citations (2)
| Title |
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| 孙章龙: "盾构主驱动耐磨密封环激光修复技术研究", 《铁道建筑技术》 * |
| 美国焊接学会编: "《焊接手册 第7版 第2卷 焊接方法》", 31 July 1988, 北京：机械工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340613A (en) * | 2019-06-25 | 2019-10-18 | 营口忠旺铝业有限公司 | A method of repairing aluminium alloy section surface defect |
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Application publication date: 20190507 |