CN103754513A - Method for treating anti-bonding high strength engineering equipment container - Google Patents
Method for treating anti-bonding high strength engineering equipment container Download PDFInfo
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- CN103754513A CN103754513A CN201410032052.7A CN201410032052A CN103754513A CN 103754513 A CN103754513 A CN 103754513A CN 201410032052 A CN201410032052 A CN 201410032052A CN 103754513 A CN103754513 A CN 103754513A
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- container
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- paraldehyde
- high carbon
- polytetrafluoroethylene
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Abstract
The invention discloses a method for treating an anti-bonding high strength engineering equipment container. The method comprises the steps that the inner surface of the container is treated; a mixed coating is sprayed; high carbon fiber precursor and paraldehyde are mixed according to an actual demand ratio and then are directly sprayed to be attached to the inner wall of the container, and afterwards teflon is sprayed; or after high carbon fibers of a net-shaped structure are attached to the inner wall of the container, paraldehyde is sprayed first, then teflon is sprayed, the mass ratio of the paraldehyde to the teflon is no more than one to nineteen, the mixing ratio of the high carbon fiber precursor can be adjusted according to actual needs, drying is performed, and sintering is carried out. By the adoption of the treating method, materials containing water can be prevented from being bonded on the wall of the container because of low temperatures, the materials can be normally transferred and unloaded secondarily, and the impact strength of the container is improved.
Description
Technical field
The present invention relates to a kind of processing method of engineering equipment container, storage during this container is suitable for constructing in the winter time, transportation and unloading materials, have anti-freeze, antiseized glutinous function.
Background technology
China's region broadness, north and south weather significant difference.Especially in the winter time, north of china in winter is colder, and the coldest ground can reach subzero more than 30 degree, and a lot of moisture materials will freeze in the winter time, be sticky on wall of container, and causing cannot secondary transhipment.Winter, this extreme weather all brought great inconvenience to storage, transportation and the unloading of material.For example: when winter, Coal Transport arrived stock ground, station, harbour, moisture coal freezes, is sticky on common storage compartment inwall, cannot unload normally, need be by unloading after crusher in crushing, the mechanical characteristics to transportation device and steel structure have certain destruction; Further, when winter, excavation dregs in the north was slagged tap, very easily occur that shoddye soil condenses in rapidly in storage warehouse and dumping car, cause dregs to transport normally.
Summary of the invention
The present invention aims to provide a kind of processing method of engineering equipment container, can avoid moisture material, because low temperature freezes, is sticky on wall of container, causes material secondary transhipment normally, unloading, thus the efficiency and the safety that improve material transportation.
For this reason, the technical solution adopted in the present invention is: a kind of antiseized glutinous high strength engineering equipment container-treatment, comprises the following steps:
(1) inner surface of container processing: first at container inner wall, smear organic solvent dissolution grease and heat to 400 ℃, thereby whole greases of container inner wall are volatilized completely, then with the mechanical system cleaning container of sand-blast finish and make its inwall crude;
(2) mixed coating spraying: by after high carbon fibre precursor and paraldehyde mixing, directly spray is attached on container inner wall, then sprays polytetrafluoroethylene; Or after cancellated high carbon fiber is attached on container inner wall, first sprays paraldehyde, then spray polytetrafluoroethylene; The mass ratio of paraldehyde and polytetrafluoroethylene is no more than 1:19, and high carbon fibre precursor can be adjusted blending ratio according to the actual requirements;
(3) dry: container is placed in to baker to wet coating heating, and temperature is controlled at below 100 ℃, until most solvent evaporates;
(4) sintering: container is heated to a higher temperature, until an irreversible reaction occurs, makes to mix the melting of sprayed coating material, and be finally set on container inner wall.
Principle of the present invention is to have adopted at container inner wall to be coated with one deck hydrophobic and high-intensity compounding substances, material is not sticky on container inner wall, and thering is good impact resistance, spraying composite material is selected the composite material of polytetrafluoroethylene, high carbon fiber and paraldehyde.
Polytetrafluoroethylene is a kind of artificial synthesized polymer material that has used fluorine to replace all hydrogen atoms in polyethylene.This material has not viscosity, sliding, resistance to abrasion, corrosion stability and low temperature properties of surface.Polytetrafluoroethylene molecule during lower than 19 ℃, forms 13/6 spiral in temperature; At 19 ℃, undergo phase transition, molecule is untied a little, form 15/7 spiral, this molecular structure also makes the low temperature resistance of polytetrafluoroethylene, and one of high molecular feature of perfluorocarbon is not become fragile at low temperature, has good mechanical tenacity when the ultralow temperature of-260 ℃, still soft in the time of-100 ℃, drop temperature to-196 ℃, also can keep 5% percentage elongation, guaranteed the intensity when normal winter low temperature.
High carbon fiber has outstanding mechanical property and chemical inertness, is the fiber in quantity-produced high-performance fiber at present with the highest strength-to-density ratio and the highest specific modulus.In addition, high carbon fiber also has other multiple premium properties concurrently, as lower density, high temperature resistant, withstanding corrosion, rub resistance, antifatigue etc.The thermal expansion coefficient of high carbon fiber is little, being parallel to machine direction is negative value (0.72 × 10～-0.90 × 10K), and be on the occasion of (32 × 10～22 × 10K) perpendicular to machine direction, permeability to heat raises and declines with temperature, resistance to quenching, anxious heat, also can not burst even drop to suddenly normal temperature from the high temperature of several thousand degrees Celsius.At the colder temperature of liquid nitrogen (subzero 193 ℃), still very soft, also not embrittlement, has guaranteed high carbon fiber intensity during lowest temperature in the winter time.
The effect of paraldehyde is to make polytetrafluoroethylene and high carbon fiber to be bonded together on the one hand, strengthens antiseized stickiness and the intensity of composite material when temperature is lower; On the other hand, after paraldehyde and polytetrafluoroethylene mix, also can reduce the fusing point of polytetrafluoroethylene, save sintering time and energy loss in sintering step.
Beneficial effect of the present invention: high carbon fiber, polytetrafluoroethylene, paraldehyde mixing are attached on container inner wall, form the antiseized glutinous high strength isolation layer of one deck, first the above two all have low temperature resistance, have guaranteed when low temperature the stability of molecule and good mechanical characteristics; Secondly, polytetrafluoroethylene has good hydrophobic, high carbon fiber can strengthen the impact strength of container inner wall, improves working strength and the antiseized stickiness of isolation layer, and finally improves the resistance to abrasion of container, reduces the wearing and tearing of material to isolation layer, improves service life; Finally, paraldehyde can better be bonded together polytetrafluoroethylene and high carbon fiber, further strengthens antiseized stickiness and the intensity of composite material when low temperature, saves sintering time and energy loss simultaneously.This processing method can be avoided moisture material, because low temperature is sticky on wall of container, causes material secondary transhipment normally, unloading, and improves the impact strength of container.
The specific embodiment
Below by embodiment, the invention will be further described:
Embodiment 1: a kind of antiseized glutinous high strength engineering equipment container-treatment, comprises the following steps:
(1) inner surface of container processing: first at container inner wall, smear organic solvent dissolution grease and heat to 400 ℃, thereby whole greases of container inner wall are volatilized completely, then with the mechanical system cleaning container of sand-blast finish and make its inwall crude.Utilize the character that organic solvent can dissolve grease that greasy dirt is removed, and by sand-blast finish to improve the coagulation result at container inner wall after composite material spraying.
(2) mixed coating spraying: after high carbon fibre precursor and paraldehyde are mixed according to certain mass proportioning, directly spray is attached on container inner wall, spray again polytetrafluoroethylene, the mass ratio of paraldehyde and polytetrafluoroethylene is 1:20, and high carbon fibre precursor can be adjusted blending ratio according to the actual requirements.Spray-on coating material must uniformity, and coat thickness depends on the coating system of employing, and the quantity for spray of polytetrafluoroethylene determines according to coat thickness, and the variation of coat thickness is not from several microns to 200 microns (0.2 millimeters) etc.
(3) dry: container is placed in to baker to wet coating heating, and temperature is controlled at below 100 ℃, until most solvent evaporates.
(4) sintering: container is heated to a higher temperature, until an irreversible reaction occurs, makes to mix the melting of sprayed coating material, and be finally set on container inner wall.
Embodiment 2: a kind of antiseized glutinous high strength engineering equipment container-treatment, comprises the following steps:
(1) inner surface of container processing, identical with embodiment 1.
(2) mixed coating spraying: after cancellated high carbon fiber is attached on container inner wall, first spray paraldehyde, spray polytetrafluoroethylene, the mass ratio of paraldehyde and polytetrafluoroethylene is 1:19 again, and high carbon fibre precursor can be adjusted blending ratio according to the actual requirements.Spray-on coating material must uniformity, and coat thickness depends on the coating system of employing, and the quantity for spray of polytetrafluoroethylene determines according to coat thickness, and the variation of coat thickness is not from several microns to 200 microns (0.2 millimeters) etc.
(3) dry, identical with embodiment 1.
(4) sintering is identical with embodiment 1.
It must be emphasized that, the mass ratio of paraldehyde and polytetrafluoroethylene is no more than 1:19, and high carbon fibre precursor can be adjusted blending ratio according to the actual requirements.
Claims (1)
1. an antiseized glutinous high strength engineering equipment container-treatment, is characterized in that, comprises the following steps:
(1) inner surface of container processing: first at container inner wall, smear organic solvent dissolution grease and heat to 400 ℃, thereby whole greases of container inner wall are volatilized completely, then with the mechanical system cleaning container of sand-blast finish and make its inwall crude.
(2) mixed coating spraying: by after high carbon fibre precursor and paraldehyde mixing, directly spray is attached on container inner wall, then sprays polytetrafluoroethylene; Or after cancellated high carbon fiber is attached on container inner wall, first sprays paraldehyde, then spray polytetrafluoroethylene; The mass ratio of paraldehyde and polytetrafluoroethylene is no more than 1:19, and high carbon fibre precursor can be adjusted blending ratio according to the actual requirements;
(3) dry: container is placed in to baker to wet coating heating, and temperature is controlled at below 100 ℃, until most solvent evaporates;
(4) sintering: container is heated to a higher temperature, until an irreversible reaction occurs, makes to mix the melting of sprayed coating material, and be finally set on container inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410032052.7A CN103754513B (en) | 2014-01-23 | 2014-01-23 | A kind of antiseized glutinous high strength engineering equipment container-treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410032052.7A CN103754513B (en) | 2014-01-23 | 2014-01-23 | A kind of antiseized glutinous high strength engineering equipment container-treatment |
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| CN103754513A true CN103754513A (en) | 2014-04-30 |
| CN103754513B CN103754513B (en) | 2016-04-20 |
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| CN201410032052.7A Active CN103754513B (en) | 2014-01-23 | 2014-01-23 | A kind of antiseized glutinous high strength engineering equipment container-treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159542A (en) * | 2017-06-29 | 2017-09-15 | 常州市新创复合材料有限公司 | A kind of sheet metal high-energy shot carbon fiber spraying method |
Citations (5)
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|---|---|---|---|---|
| CN1222585A (en) * | 1997-11-14 | 1999-07-14 | 游天来 | Metal surface treating method |
| CN1733854A (en) * | 2004-08-11 | 2006-02-15 | 西南石油学院 | Petroleum pipe protective coating and its preparation method and uses |
| CN101805126A (en) * | 2010-04-13 | 2010-08-18 | 中南大学 | Thermal barrier coating on surface of steel substrate and preparation method |
| CN101831222A (en) * | 2010-04-30 | 2010-09-15 | 泸州国邦机械有限公司 | Abrasion-resistant and friction-reducing emulsion and preparation method for spraying same on surface of soft metal |
| CN102276950A (en) * | 2011-05-18 | 2011-12-14 | 湖州松华橡塑有限公司 | Polytetrafluoroethylene (PTFE) composite material sealing ring with high temperature resistance and low creep, and preparation method thereof |
-
2014
- 2014-01-23 CN CN201410032052.7A patent/CN103754513B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1222585A (en) * | 1997-11-14 | 1999-07-14 | 游天来 | Metal surface treating method |
| CN1733854A (en) * | 2004-08-11 | 2006-02-15 | 西南石油学院 | Petroleum pipe protective coating and its preparation method and uses |
| CN101805126A (en) * | 2010-04-13 | 2010-08-18 | 中南大学 | Thermal barrier coating on surface of steel substrate and preparation method |
| CN101831222A (en) * | 2010-04-30 | 2010-09-15 | 泸州国邦机械有限公司 | Abrasion-resistant and friction-reducing emulsion and preparation method for spraying same on surface of soft metal |
| CN102276950A (en) * | 2011-05-18 | 2011-12-14 | 湖州松华橡塑有限公司 | Polytetrafluoroethylene (PTFE) composite material sealing ring with high temperature resistance and low creep, and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159542A (en) * | 2017-06-29 | 2017-09-15 | 常州市新创复合材料有限公司 | A kind of sheet metal high-energy shot carbon fiber spraying method |
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| CN103754513B (en) | 2016-04-20 |
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