阅读说明：本技术 一种钢制标识的防腐涂装方法 (A kind of anticorrosive coating method of steel mark ) 是由 刘立民 张万红 杨瑞中 覃红娅 张健 于 2019-09-06 设计创作，主要内容包括：本发明涉及船舶制造技术领域,公开了一种钢制标识的防腐涂装方法,包括以下步骤：步骤一、对钢制标识进行表面清洁处理；步骤二、利用喷砂机将磨料喷射至钢制标识的表面,以使钢制标识的表面达到预设粗糙度；步骤三、分别获取环氧树脂以及聚酰胺化合物,并按照预设比例进行混合搅拌形成涂料；步骤四、将涂料涂抹在钢制标识的表面。利用涂料的流平性可自行流平填满狭小拐角和缝隙等特殊部位,使得钢制标识满足较高的防腐要求,保证整体船舶的外观质量。(The present invention relates to shipbuilding technical fields, disclose a kind of anticorrosive coating method of steel mark, comprising the following steps: carry out surface cleaning processing Step 1: identifying to steel；Step 2: the surface for being identified abrasive jet to steel using sand-blasting machine, so that the surface of steel mark reaches default roughness；Step 3: obtaining epoxy resin and polyamide compound respectively, and be mixed according to preset ratio and form coating；Step 4: by coating material on the surface that steel identifies.Voluntarily the privileged sites such as narrow turning and gap can be filled up by levelling using the levelability of coating, so that steel mark meets higher requirement for anticorrosion, guarantee the presentation quality of whole ship.)

1. a kind of anticorrosive coating method of steel mark, which comprises the following steps:

Surface cleaning processing is carried out Step 1: identifying to the steel；

Step 2: the surface for being identified abrasive jet to the steel using sand-blasting machine, so that the surface of steel mark reaches To default roughness；

Step 3: obtaining epoxy resin and polyamide compound respectively, and be mixed being formed according to preset ratio and apply Material；

Step 4: by the coating material on the surface that the steel identifies.

2. the anticorrosive coating method of steel mark according to claim 1, which is characterized in that in said step 1, tool Body are as follows:

The grease soils on surface, salinity, moisture and the dust that the steel is identified using dry cloth, cotton yarn, solvent and hairbrush It is purged.

3. the anticorrosive coating method of steel mark according to claim 1, which is characterized in that in the step 2, also Include:

The surface that the sand-blasting machine drives steel described in the abrasive jet to identify using compressed gas, to steel mark Rusty stain on surface carries out impact grinding.

4. the anticorrosive coating method of steel mark according to claim 3, which is characterized in that in the step 2, institute The particle diameter for stating abrasive material is 0.8-1.0mm.

5. the anticorrosive coating method of steel mark according to claim 1, which is characterized in that in the step 2, institute Stating default roughness is 30-75um.

6. the anticorrosive coating method of steel mark according to claim 1, which is characterized in that in the step 3, institute The preset ratio for stating epoxy resin and the polyamide compound is mass ratio 3.4:1.

7. the anticorrosive coating method of steel mark according to claim 1, which is characterized in that in the step 3, also Include:

The coating is uniformly applied within 20 minutes on the surface of the steel mark.

8. the anticorrosive coating method of steel mark according to claim 1, which is characterized in that in the step 4, also It include: to dip the coating using writing brush to be smeared at the turning that the steel identifies or gap, so that the painting stream Move and fill up the turning or the gap.

Technical field

The present invention relates to shipbuilding technical fields, more particularly to a kind of anticorrosive coating method of steel mark.

Background technique

Ship plank steel mark represent a kind of special identifier of shipping casualties image, have appearance solemnly, be easy to The features such as engraving on one's mind.

Currently, when the steel mark to ship plank carries out painting anticorrosion, because there are narrow turning and gap etc. are special Different position is not easy to construct, and corrosion phenomena easily occurs for the later period if being brushed using common paint, is not able to satisfy higher anti-corrosion and wants Seek and influence the presentation quality of whole ship.

Summary of the invention

The technical problem to be solved by the present invention is how to realize to privileged sites such as the narrow turning of steel mark and gaps Carry out anticorrosive coating.

It is including following in order to solve the above-mentioned technical problems, the present invention provides a kind of anticorrosive coating method of steel mark Step:

Surface cleaning processing is carried out Step 1: identifying to the steel；

Step 2: the surface for being identified abrasive jet to the steel using sand-blasting machine, so that the table of steel mark Face reaches default roughness；

Step 3: obtaining epoxy resin and polyamide compound respectively, and mixing shape is carried out according to preset ratio At coating；

Step 4: by the coating material on the surface that the steel identifies.

Preferably, in said step 1, specifically:

The steel is identified using dry cloth, cotton yarn, solvent and hairbrush grease soils on surface, salinity, moisture and Dust is purged.

Preferably, in the step 2, further includes:

The surface that the sand-blasting machine drives steel described in the abrasive jet to identify using compressed gas, to the steel mark Rusty stain on the surface of knowledge carries out impact grinding.

Preferably, in the step 2, the particle diameter of the abrasive material is 0.8-1.0mm.

Preferably, in the step 2, the default roughness is 30-75um.

Preferably, in the step 3, the preset ratio of the epoxy resin and the polyamide compound For mass ratio 3.4:1.

Preferably, in the step 3, further includes:

The coating is uniformly applied within 20 minutes on the surface of the steel mark.

Preferably, in the step 4, further includes: dip the coating using writing brush and identified in the steel Perhaps gap is smeared so that the coating flows and fill up the turning or the gap at turning.

A kind of anticorrosive coating method of steel mark of the embodiment of the present invention compared with prior art, the beneficial effect is that:

The embodiment of the present invention carries out surface cleaning processing by identifying to the steel, and carries out sandblasting polishing, so that institute The surface for stating steel mark reaches with the default roughness requirements compared with strong adhesive force, by the epoxy resin and the polyamide Compound forms polyurethane epoxy coating into mixing with preset ratio, and the coating carries out on the surface that the steel identifies When smearing, voluntarily the privileged sites such as narrow turning and gap can be filled up by levelling using the levelability of the coating, are not susceptible to become rusty Erosion guarantees the presentation quality of whole ship so that steel mark meets higher requirement for anticorrosion.

Detailed description of the invention

Fig. 1 is the flow diagram of the anticorrosive coating method of the steel mark of the preferred embodiment of the invention.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below Example is not intended to limit the scope of the invention for illustrating the present invention.

As shown in Figure 1, preferred embodiment of the embodiment of the present invention provides a kind of anticorrosive coating method of steel mark, packet Include following steps:

Surface cleaning processing is carried out Step 1: identifying to the steel；

Step 2: the surface for being identified abrasive jet to the steel using sand-blasting machine, so that the table of steel mark Face reaches default roughness；

Step 3: obtaining epoxy resin and polyamide compound respectively, and mixing shape is carried out according to preset ratio At coating；

Step 4: by the coating material on the surface that the steel identifies.

The anticorrosive coating method of steel mark based on above-mentioned technical characteristic, it is clear by identifying progress surface to the steel Clean processing, and sandblasting polishing is carried out, it is wanted so that the surface of steel mark reaches with the default roughness compared with strong adhesive force It asks, the epoxy resin and the polyamide compound is formed into polyurethane epoxy coating, institute into mixing with preset ratio Coating is stated when the surface that the steel identifies is smeared, voluntarily can fill up narrow turn by levelling using the levelability of the coating The privileged sites such as angle and gap, are not susceptible to corrode, so that steel mark meets higher requirement for anticorrosion, guarantee whole ship The presentation quality of oceangoing ship.

In the present embodiment, in said step 1, specifically: using dry cloth, cotton yarn, solvent and hairbrush to the steel Grease soils, salinity, moisture and dust on the surface of mark are purged, and achieve the purpose that quickly to be purged impurity.

In the present embodiment, in the step 2, further includes: the sand-blasting machine forms high speed using compressed gas and sprays The surface that beam drives steel described in the abrasive jet to identify carries out impact grinding to the rusty stain on the surface of steel mark It cuts, obtains the derusting cleaning effect of high quality, reach the default roughness requirements for smear the coating, to ensure the painting Material has stronger adhesive force to by painting surface.

Wherein, further, in the step 2, the particle diameter of the abrasive material is 0.8-1.0mm, it is ensured that described Abrasive material realizes effective impact grinding to rusty stain, and the sand-blasting machine should be continuously replenished described according to the actual situation in the normal use phase The reserves of abrasive material.

Further, in the step 2, the default roughness is 30-75um, meets polyurethane epoxy coating Coating requires.

In the present embodiment, in the step 3, the preset ratio of the epoxy resin and the polyamide compound For mass ratio 3.4:1, generated excessively after chemical reaction between the epoxy resin and the polyamide compound to reduce Heat takes suitable epoxy resin and the polyamide compound to carry out being mixed into coating, in 10-15 each time Construction usage amount is standard, realizes that few multiple batches of mixed mode of component makes polyurethane epoxy coating.When blending amount excessively It can accelerate its reaction time, and then can be shorter to cause unnecessary waste using the time.

In the present embodiment, in the step 3, further includes: the coating is uniformly applied to institute within 20 minutes On the surface for stating steel mark, within this period, the polyurethane epoxy coating has preferable levelability, guarantees to fill up The privileged sites such as narrow turning and gap, notice wanting that thickness is moderate, even spread during smearing, guarantee preferable to smear matter Amount.

In the present embodiment, in the step 4, further includes: dip the coating using writing brush and identified in the steel Perhaps gap is smeared so that the coating flows and fill up the turning or the gap at turning, utilize the hair Pen is convenient for the control amount of dipping size, so that it is more uniform moderate behind the turning of steel mark or gap levelling, into one Step guarantees that the steel mark smears quality.

In the present embodiment, the polyurethane epoxy coating is two-component epoxy product, and solid content is 95 ± 2%, standard Color is white, volatile organic content 45g/L, and drying time is shorter (- 15 minutes 10 minutes), relative to other common paintings Material has many advantages, such as to be not in corrosion, is good leveling property, easy to operate, and the specific function attribute of the coating is as follows: (1) wear-resisting Property be ASTMD1044, be lost 50 milligrams；(2) adhesive force is 2700 pounds/square inch；(3) impact resistance is 20Kg/cm²；(4) Resistance to scraping is > 2000g.

To sum up, what a kind of anticorrosive coating method that the embodiment of the present invention provides steel mark was identified steel using sand-blasting machine Surface roughness, which reaches, meets the 30-75um that coating requires, after the epoxy resin and polyamide compound mixing Heat-producing chemical reaction makes it have performances, the energy levellings such as self-leveling energy is good, the dry reaction time is fast and fills up narrow turning With the privileged sites such as gap, effective anti-corrosion protection is able to carry out to construction surface, meets the anti-of the steel mark of ship plank Corruption requires and improves overall appearance quality and service life, efficiently solves the privileged sites difficulty in steel mark and constructs, easily The problems such as corrosion, the waste use for not only reducing process, reducing material again have wide application empty in shipbuilding field Between, there is very high promotional value.

The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement Also it should be regarded as protection scope of the present invention.