KR20150020834A - Jig for pfp coating and method for pfp coating of deck module of lng plant using the same - Google Patents

Jig for pfp coating and method for pfp coating of deck module of lng plant using the same Download PDF

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Publication number
KR20150020834A
KR20150020834A KR20130097777A KR20130097777A KR20150020834A KR 20150020834 A KR20150020834 A KR 20150020834A KR 20130097777 A KR20130097777 A KR 20130097777A KR 20130097777 A KR20130097777 A KR 20130097777A KR 20150020834 A KR20150020834 A KR 20150020834A
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KR
South Korea
Prior art keywords
pfp
grating
pfp coating
upper plate
paint
Prior art date
Application number
KR20130097777A
Other languages
Korean (ko)
Inventor
정영락
Original Assignee
현대중공업 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 현대중공업 주식회사 filed Critical 현대중공업 주식회사
Priority to KR20130097777A priority Critical patent/KR20150020834A/en
Publication of KR20150020834A publication Critical patent/KR20150020834A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B05B12/20—Masking elements, i.e. elements defining uncoated areas on an object to be coated
    • B05B12/22—Masking elements, i.e. elements defining uncoated areas on an object to be coated movable relative to the spray area
    • 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
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • 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
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/32—Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists
    • 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
    • B05D7/02—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 macromolecular substances, e.g. rubber
    • 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
    • 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
    • B05D2504/00—Epoxy polymers

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The present invention relates to a PFP coating apparatus and a PFP coating method of an LNG facility deck module using the PFP coating apparatus. The object of the present invention is to provide a PFP coating apparatus, And to provide a PFP coating apparatus capable of forming a more rigid PFP coating layer and a PFP coating method of an LNG facility deck module using the same.
Forming a first PFP coating layer by spraying a paint for PFP on the remaining portion of the upper plate of the H beam used in the deck module except the upper surface; Mounting a grating on the top plate of the H beam where the first PFP coating layer is not formed on the top surface; And an opening portion of the grating so that the side portion of the H beam upper plate and the comb portion are in close contact with each other so as to prevent the PFP paint from flowing down to the lower portion of the upper plate of the H beam and to prevent the paint for PFP from being sprayed outside the mounting portion of the grating, Inserting the combs to form at least one PFP coating device; And forming a second PFP coating layer by injecting a PFP paint into an open portion formed in a mounting portion of a grating mounted on the upper plate of the H beam to fill the PFP coating layer.

Description

TECHNICAL FIELD [0001] The present invention relates to a PFP coating apparatus and a PFP coating method of a LNG facility deck module using the PFP coating apparatus.

The present invention relates to a PFP coating apparatus and a PFP coating method of an LNG facility deck module using the PFP coating apparatus. More particularly, the present invention relates to a PFP coating method for coating a H beam with PFP coating And a PFP coating method using the same.

Generally, the LNG facility is formed by stacking at least two deck modules. The deck module may include a plurality of H beams and a plurality of the decks mounted on both sides of the adjacent H beams to support both sides.

Here, the deck is not a plate-type deck, but a lattice-shaped open-grating deck is used over the entire area.

On the other hand, the LNG facility performs Passive Fire Protection (PFP) coating on the H beam to secure the minimum time (2 hours) for preventing collapse of the deck module during LNG leaching at -196 ° C.

In order to perform PFP coating on the H beam used in the LNG facility deck module, PFP coating is performed on all surfaces except the upper surface of the H beam on which the grating is mounted before the H beam is installed.

Then, a plurality of H beams having the PFP coating are installed to form a deck module, a grating is mounted on the upper surface of the H beam, and the grating is fixed to the H beam through a welding operation or the like.

As described above, the grating is mounted on the upper portion of the H beam, then the PFP paint is sprayed onto the upper surface of the H beam to coat the H beam, and the PFP paint is filled in the mounting portion of the grating mounted on the upper surface of the H beam Thereby completing the PFP coating operation of the H beam.

However, in the general H beam PFP coating method as described above, a large amount of PFP paint is sprayed on the upper surface of the H beam on which the grating is mounted so as to fill the grating mounted on the upper surface of the H beam, There is a problem that not only the dirty coating surface is formed but also the PFP paint is not properly filled in the corner portion.

Patent Registration No. 10-0841820 (2008.06.20.)

It is an object of the present invention to provide a PFP coating device for spraying a PFP paint on the upper surface of an H beam used in an LNG facility deck module to spray not only the PFP paint but also a more rigid PFP coating layer, And to provide a PFP coating method of a deck module using the LNG facility.

The apparatus for coating a PFP according to an embodiment of the present invention includes a body portion for preventing injection of PFP paint onto the outside of a grating mounting portion mounted on an upper plate of an H beam, And a plurality of comb teeth portions for preventing the PFP paint sprayed to fill the open portion of the grating from flowing down to the lower portion of the upper plate of the H beam.

For example, the comb teeth may extend from the body portion to have the same width as the open portion of the grating and spaced apart from each other by a distance corresponding to the grating portion thickness of the grating.

For example, the PFP coating apparatus may be made of a transparent plate.

The PFP coating method of an LNG facility deck module according to an embodiment of the present invention includes the steps of forming a first PFP coating layer by spraying a paint for PFP on a remaining portion of an upper plate of an H beam used for a deck module, A step of mounting a grating on an upper plate of the H beam where the first PFP coating layer is not formed on an upper surface of the H beam; a step of preventing a paint for PFP from flowing down below the upper plate of the H beam, Inserting at least one PFP coating device into the open portion of the grating so that the side portion of the H beam upper plate and the comb portion are in close contact with each other to prevent spraying of the coating material, And forming a second PFP coating layer by injecting and filling a PFP paint into an open portion formed in a mounting portion of the mounted grating.

Meanwhile, between the step of forming the first coating layer and the step of mounting the grating on the upper plate of the H beam, the PFP coating method of the LNG facility deck module according to an embodiment of the present invention may include: And installing an H beam.

In addition, the PFP coating method of the LNG facility deck module according to an embodiment of the present invention may further include removing the PFP coating apparatus after a predetermined time has elapsed from the formation of the second PFP coating layer.

For example, the paint for PFP may be epoxy.

For example, the PFP coating device may be installed to tilt outwardly of the H beam in the direction from the lower end to the upper end.

As described above, the PFP coating apparatus according to an embodiment of the present invention and the PFP coating method of the LNG facility deck module using the PFP coating apparatus according to an embodiment of the present invention can prevent the PFP coating from flowing down to the lower part of the H beam upper plate, A second PFP coating layer can be formed on the mounting portion.

Accordingly, since a more precise and beautiful PFP coating layer can be formed, it is possible to further improve customer satisfaction.

In addition, since the construction work of the PFP coating layer can be performed more easily and quickly, the construction time and the work flow of the PFP coating layer can be reduced.

The effects of the present invention will be clearly understood and understood by those skilled in the art, either through the specific details described below, or during the course of practicing the present invention.

1 is a perspective view illustrating a PFP coating apparatus according to an embodiment of the present invention;
FIG. 2 is a view showing the state of use of the PFP coating apparatus according to the embodiment of the present invention
FIG. 3 is a cross-sectional view showing a state in which the upper surface of the H beam is coated with PFP using the PFP coating apparatus according to an embodiment of the present invention
FIG. 4 is a plan view showing a pair of PFP coatings on the upper surface of the H beam
5 is a flowchart illustrating a PFP coating method of an LNG facility deck module according to an embodiment of the present invention.

The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the text. It should be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

The terms first, second, etc. may be used to describe various elements, but the elements should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprising" or "having ", and the like, are intended to specify the presence of stated features, integers, steps, operations, elements, parts, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be interpreted as ideal or overly formal in meaning unless explicitly defined in the present application Do not.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

FIG. 1 is a perspective view for explaining a PFP coating apparatus according to an embodiment of the present invention, FIG. 2 is a state of use of a PFP coating apparatus according to an embodiment of the present invention, and FIG. And FIG. 4 is a plan view showing a pair of PFP coatings on the upper surface of the H beam. FIG. 4 is a cross-sectional view showing a state where PFP coating is applied to the upper surface of the H beam using the PFP coating apparatus according to the example.

Referring to FIGS. 1 to 4, a PFP coating apparatus 100 according to an exemplary embodiment of the present invention may include a body 110 and a plurality of combs 120.

The main body 110 functions to prevent the PFP paint from being injected outside the grille 220 mounted on the upper plate of the H beam 210, and may be formed in a rectangular flat plate shape. For example, the main body 110 may be formed in a rectangular plate shape using transparent acrylic material or the like.

The plurality of comb teeth 120 may extend from the body 110 to a predetermined distance. For example, the plurality of comb teeth 120 may be formed to have the same width as the open portion 221 of the grating 220, and may have a length corresponding to the thickness of the grating portion 222 of the grating 220 And the comb teeth 120 may be formed of a material such as transparent acrylic which is the same as the body portion 110. In addition,

The plurality of comb teeth 120 may extend from the main body 110 to coat the upper surface of the H beam 210 and may have an open part 221 of the grating 220, It is possible to prevent the PFP paint, which is sprayed to fill the H beam 210, from flowing below the upper plate 211 of the H beam 210.

As described above, the PFP coating apparatus 100 according to an embodiment of the present invention can prevent the PFP coating paint from flowing down when the PFP coating layer is formed. Therefore, when the PFP coating operation of the LNG facility deck module 200 is performed, Can be improved.

In addition, since the PFP coating layer can be formed in a neat form, it is possible to satisfy the requirements of the client.

A process of PFP coating the LNG facility deck module 200 using the PFP coating apparatus 100 will be described with reference to FIGS.

5 is a flowchart illustrating a PFP coating method of an LNG facility deck module according to an embodiment of the present invention.

1 to 5, in order to perform the PFP coating of the LNG facility deck module 200 using the PFP coating apparatus 100 according to an embodiment of the present invention, first, the deck module 200 is formed The first PFP coating layer 212 is formed on the H beam 210 by spraying a paint for PFP on the remaining portion of the H beam 210 installed on the upper plate 211 except for the upper surface of the upper plate 211 in operation S110.

For example, the H beam 210 is installed to form the deck module 200 of the LNG equipment, and then the PFP coating layer is sprayed onto the remaining portion of the upper plate 211 except for the upper surface thereof to form the first PFP coating layer 212, Can be formed.

Alternatively, the H beam 210 may be launched from the factory after forming a first PFP coating layer 212 by spraying PFP coating on the remaining portion of the top plate 211 except the upper surface.

The LNG facility deck module 200 is installed in the factory after the first PFP coating layer 212 is formed by spraying the PFP paint on the remaining portions of the H beam 210 other than the upper surface of the upper plate 211, The method may further include the step of installing the H beam 210 in which the first PFP coating layer 212 is formed to form the H-beam 210 in operation S120.

Here, the plurality of H beams 210 may be spaced apart from each other by a predetermined distance.

The reason why the PFP coating is sprayed onto the H beam 210 is to secure the minimum time (2 hours) for preventing the collapse of the deck module 200 during the LNG outflow at -199 ° C.

For example, an epoxy paint may be used as the paint for PFP sprayed onto the H beam 210 in order to secure the minimum time to prevent collapse.

The first PFP coating layer 212 is formed on the upper plate 211 of the H beam 210 that is not formed on the upper surface of the first PFP coating layer 212 after the H beam 210 having the first PFP coating layer 212 is formed, (Step S130).

The grating 220 is mounted on the H beam 210 so that the side surface of the H plate 210 and the comb tooth 120 of the PFP coating apparatus 100 are closely contacted with each other, And the at least one PFP coating device 100 is installed at step S140.

The main body 110 of the PFP coating apparatus 100 prevents the paint for the PFP from being sprayed to the outside of the mount 230 of the grating 220, The H beam 210 is closely adhered to the side surface of the upper plate 211 of the H beam 210 to prevent the paint for PFP from flowing down below the upper plate 211 of the H beam 210.

Meanwhile, the PFP coating apparatus 100 is preferably installed to be inclined outward from the lower end to the upper end of the H beam 210.

As described above, the PFP coating apparatus 100 is installed so as to be tilted to the outside of the H beam 210 from the lower end to the upper end, so that the paint for PFP is applied to the upper surface of the H beam 210 and the grating 220, The PFP coating material sprayed on the PFP coating device 100 flows downward to spray the coating material onto the open part 221 formed on the mounting part 230 of the H beam 210, So that it can be replenished between the comb portions 120 of the coating apparatus 100.

After the PFP device 100 is installed, PFP paint is sprayed onto the open portion 221 formed in the loading portion 230 of the grating 220 mounted on the upper plate 211 of the H beam 210 The second PFP coating layer 213 is formed (S150).

The PFP coating material sprayed onto the main body 110 of the PFP device 100 is applied to the side surface of the upper plate 211 of the H beam 210 along the main body 110, It is possible to flow down between the comb teeth 120 to reinforce the PFP coating layer.

The PFP coating may be filled in the open part 221 formed in the mounting part 230 of the grating 220 and may be sprayed so as to cover the grid part 222 as well.

A second PFP coating layer 213 is formed by spraying a paint for PFP on the upper surface of the H beam 210 and the open portion 221 formed on the loading portion 230 of the grating 220, The PFP coating apparatus 100 is removed from the loading unit 230 of the grating 220 after a predetermined time has elapsed so that the cage 213 can be cured.

As described above, the PFP coating method of the LNG facility deck module according to the embodiment of the present invention is such that the paint for the PFP does not flow down to the lower part of the upper plate 211 of the H beam 210, 211 and the second PFP coating layer 213 can be formed on the mounting portion 230 of the grating 220, thereby forming a more precise and beautiful PFP coating layer.

In addition, since the construction work of the PFP coating layer can be performed more easily and quickly, the construction time and the work flow of the PFP coating layer can be advantageously reduced.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

Description of the Related Art
(100): PFP coating device (110): a main body part
(120): comb portion (200): deck module
(210): H beam (220): Grating
(230):

Claims (8)

A main body portion for preventing the paint for PFP from being injected outside the mounting portion of the grating mounted on the upper plate of the H beam; And
A plurality of comb teeth portions extending from the body portion to coat the upper surface of the H beam upper plate and prevent the PFP paint sprayed to fill the open portion of the grating from flowing down to the lower portion of the upper plate of the H beam, ≪ / RTI >
The method according to claim 1,
The comb-
Wherein the opening is formed to extend from the main body portion to have the same width as the open portion of the grating and spaced apart from each other by a distance corresponding to the grating portion thickness of the grating.
The method according to claim 1,
Wherein the apparatus for PFP coating is made of a transparent plate.
Forming a first PFP coating layer by spraying a paint for PFP on the remaining portion of the H beam used in the deck module except the upper surface of the upper plate;
Mounting a grating on the top plate of the H beam where the first PFP coating layer is not formed on the top surface;
And an opening portion of the grating so that the side portion of the H beam upper plate and the comb portion are in close contact with each other so as to prevent the PFP paint from flowing down to the lower portion of the upper plate of the H beam and to prevent the paint for PFP from being sprayed outside the mounting portion of the grating, Inserting the combs to form at least one PFP coating device; And
And forming a second PFP coating layer by injecting and filling a PFP coating on an open portion formed in a mounting portion of the grating mounted on the upper plate of the H beam.
The method of claim 4,
Between the step of forming the first coating layer and the step of mounting the grating on the upper plate of the H beam,
Further comprising installing the H beam with the first PFP coating layer formed thereon.
The method of claim 4,
Further comprising the step of removing the PFP coating device after a certain period of time after forming the second PFP coating layer.
The method of claim 4,
Wherein the PFP coating is an epoxy.
The method of claim 4,
The PFP coating apparatus comprises:
And wherein the PIP coating is installed to be inclined to the outside of the H beam in the direction from the lower end to the upper end.
KR20130097777A 2013-08-19 2013-08-19 Jig for pfp coating and method for pfp coating of deck module of lng plant using the same KR20150020834A (en)

Priority Applications (1)

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KR20130097777A KR20150020834A (en) 2013-08-19 2013-08-19 Jig for pfp coating and method for pfp coating of deck module of lng plant using the same

Applications Claiming Priority (1)

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KR20130097777A KR20150020834A (en) 2013-08-19 2013-08-19 Jig for pfp coating and method for pfp coating of deck module of lng plant using the same

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110090764A (en) * 2019-05-22 2019-08-06 余姚菲戈自动化技术有限公司 A kind of irregular plate surface self-adaptive application device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110090764A (en) * 2019-05-22 2019-08-06 余姚菲戈自动化技术有限公司 A kind of irregular plate surface self-adaptive application device

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