KR19990064858A - The metood of the flat wall panel producing for LNG tanker - Google Patents

The metood of the flat wall panel producing for LNG tanker Download PDF

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Publication number
KR19990064858A
KR19990064858A KR19990017485A KR19990017485A KR19990064858A KR 19990064858 A KR19990064858 A KR 19990064858A KR 19990017485 A KR19990017485 A KR 19990017485A KR 19990017485 A KR19990017485 A KR 19990017485A KR 19990064858 A KR19990064858 A KR 19990064858A
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panel
bonding
jig
upper panel
metood
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KR19990017485A
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Korean (ko)
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KR100287739B1 (en
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박재호
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김종원
주식회사 한양목재
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
    • B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
    • B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
    • B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

본 발명은 액화천연가스를 저장하는 탱크의 단열판넬 제작에 관한 것으로 다단계 접착공정으로 생산되는 문제점을 위치고정용 지그를 이용하여 접착공정을 단순화하여 생산성을 향상시키고 작업효율을 높일수 있도록 구성하여 물류흐름을 원활하게 할수있도록 발명된 것이다.The present invention relates to the production of a thermal insulation panel of a tank for storing liquefied natural gas, the problem produced by the multi-stage bonding process using the position fixing jig to simplify the bonding process to improve the productivity and increase the work efficiency by configuring the logistics flow It is invented to be able to smoothly.

Description

액화천연가스 운반선용 평판넬 제작방법 {The metood of the flat wall panel producing for LNG tanker }How to make flat panel for LNG carrier {The metood of the flat wall panel producing for LNG tanker}

본 발명은 액화천연가스 운반선용 평판넬 제작방법에 관한 것이다.The present invention relates to a method for manufacturing a flat panel for a LNG carrier.

액화석유가스(LNG)의 운반에 있어서, 이들을 저장하는 탱크는 초저온을 유지하여야하는 특성이 있다. 따라서 항상 낮은 온도를 유지하기 위하여 외부와의 열의 출입을 억제시키기 위하여 단열재가 많이 사용되고 있었다.In the transportation of liquefied petroleum gas (LNG), the tank storing them has the characteristic of maintaining ultra low temperature. Therefore, in order to maintain a low temperature at all times, a lot of heat insulators have been used to suppress the entry of heat to the outside.

이들 단열재의 사용에 있어서 상부판넬과 하부판넬을 서로 접합시켜 하나의 판넬로 형성한 것들을 서로 연장하여 평면부분에 사용하여왔다.In the use of these heat insulators, the upper panel and the lower panel are joined to each other to form one panel, which has been extended to each other and used in the flat portion.

본 발명은 액화천연가스(LNG)를 수송하는 운반선의 단열판넬중 평판넬(FLAT WALL PANEL ; FP)을 제조하는 공정중에서 접착공정의 작업방법을 개량한 것이다.The present invention improves the working method of the bonding process in the process of manufacturing a flat panel (FLAT WALL PANEL FP) of the insulation panel of the carrier transporting liquefied natural gas (LNG).

종래에는 평판넬의 구성품목인 상부판넬과 하부 판넬을 각각 별도 접착하여 가공된 부품을 일체형으로 재접착하는 방법을 이용하여 완성하였으나, 이러한 방법은 가공완료된 부품을 재접착 함으로써 상부판넬의 위치불량 및 접합면에서의 접착제가 빠져나오는등의 각종접합불량이 나타나게되어 정확한 크기를 요구하게되는 판넬제작에 어려움을 가져오게 하였으며, 3차의 접착작업으로 인하여 접착공정시간의 연장과 생산성이 저하되는 문제가 발생되었다. 이러한 문제점을 해소하기 위하여 본 발명에서는 하부판넬을 별도 접착하여 가공후 상부판넬을 별도로 접착하지않고 동시에 접착후 상부판을 가공함으로써 생산성 및 품질을 향상시킬수 있도록 하는 방법을 사용하게되었다.Conventionally, the upper panel and the lower panel, which are components of the flat panel, are separately bonded to each other, and the finished parts are completed by using a method of integrally re-bonding the processed parts. Various bonding defects such as adhesive coming out of the surface appeared, which caused difficulty in panel manufacturing requiring exact size, and caused the problem of extending the bonding process time and decreasing productivity due to the third bonding operation. It became. In order to solve this problem, in the present invention, a method of improving productivity and quality by processing the upper panel after bonding is performed without bonding the upper panel separately after processing by separately bonding the lower panel.

본 발명은 액화천연가스(LNG) 운반선용 평판넬 제작방법에 관한 것이다.The present invention relates to a method for manufacturing a flat panel panel for a LNG carrier.

액화천연가스 운반은 항상 낮은 온도를 유지해야하는 특성에 의하여, 이들의 온도를 항상일정하게 유지하도록하는 단열재가 필요하게되었다.Liquefied natural gas transport has a need to maintain a low temperature at all times, the need for insulation to maintain a constant temperature always.

액화천연가스 운반선용 단열판넬을 제작함에있어 가장중요한 것들중의 하나는 온도에따른 각각의 재료들의 접착시간의 준수이다. 일반적으로 23℃ 정도에서 8시간이라는 장시간 접착으로 접착공정을 하게되었으나 접착횟수의 증가등으로 인하여 작업시간이 연장되는 문제점등이 발생하여, 가급적이면 접착횟수를 줄이는 것만이 생산성을 향상시킬 수 있는 과제로 대두되었다. 이러한 이유로 인하여 공장전체의 생산능력을 감안한 효율적인 작업으로 인한 작업시간의 단축과 물류의 흐름을 원활히 하고자 본 발명을 구상하게 된것이다.One of the most important things in making insulation panels for LNG carriers is the adherence time of each material to temperature. In general, the bonding process is carried out by the long time of 8 hours at 23 ℃, but the work time is prolonged due to the increase in the number of times of adhesion. Therefore, the task of improving productivity is to reduce the number of times of adhesion. It came up with. For this reason, the present invention was conceived in order to shorten the working time and smooth the flow of logistics due to efficient work in consideration of the production capacity of the entire factory.

본 발명은 LNG 운반선의 저장탱크에 사용되는 평판넬 제작시 하부판넬 접착에서 부터 상부판넬 접착까지의 작업공정을 단순하게하여 작업시간을 단축하도록 하였으며, 상하부 판넬을 서로 접착할때 상부판넬을 하부판넬의 일정한 위치에 고정하도록 위치를 조정하는 지그를 사용하여 서로 접착되도록 하여 항상 균일한 위치에서 접착이 이루어져 제품의 표준화를 이루도록 하였으며, 본 발명은 종래의 다단계접착에서 탈피하여, 공정을 단순화하고 초기투자비용을 줄이고 품질 및 생산성향상을 제공하게 되었다.The present invention is to simplify the work process from the lower panel bonding to the upper panel bonding when manufacturing the flat panel used in the storage tank of the LNG carrier, and to shorten the working time, when the upper panel and the lower panel bonded to each other the lower panel By using the jig to adjust the position to be fixed to a fixed position to be bonded to each other to achieve the standardization of the product is always made in a uniform position, the present invention is to escape from the conventional multi-step adhesive, simplifying the process and initial investment This has resulted in cost savings and improved quality and productivity.

도 1은 본 고안의 작업 순서도1 is a flow chart of the present invention

도 2는 위치조정용 지그 응용도2 is a jig application diagram for position adjustment

도 3은 작업완료후의 최종 가공도3 is a final working view after the completion of work

도면의 주요부분에대한 부호의 설명Explanation of symbols for the main parts of the drawings

1. 상부판넬 2. 하부판넬1. Upper panel 2. Lower panel

3. 상부판넬고정지그 4. 리지드 트리플렉스3. Top panel fixing jig 4. Rigid triplex

5. 161mm 폼 6. 9mm 합판5. 161mm foam 6. 9mm plywood

7. 68mm 폼 8. 12mm 합판7. 68mm foam 8. 12mm plywood

9. 둥근톱 10. 지그고정구9. Circular saw 10. Jig fixture

제 1도는 본 발명의 작업순서도를 나타낸 것이다.1 shows a flowchart of the present invention.

1차접착에 사용되는 피착제는 리지드 트리플렉스(4) 161mm폼(5) 9mm합판(6)으로 구성되며, 2차접착의 피착제를 68mm폼(7) 12mm합판(8)으로 구성되어있다,The adhesive used for the primary adhesive consists of rigid triplex (4), 161 mm foam (5) and 9 mm plywood (6), and the secondary adhesive is composed of 68 mm foam (7) and 12 mm plywood (8). ,

1차접착에서 접착작업이 완료된 하부판넬(2)에 3차 접착시 필요한 지그고정구(10)가공 및 정절단 가공을 완료하여, 2차접착을 별도로 진행하지않고 개별적으로 절단준비된 소재를 3차접착시 상부판넬 고정지그(3)를 사용하여 일시에 접착이 가능하도록 하였다.Finishing and cutting of the jig fixture 10 necessary for the third bonding to the lower panel (2) where the bonding work is completed in the first bonding. The upper panel fixing jig (3) was used to enable adhesion at one time.

1차 접착공정은 하부판넬(2)에 사용되는것을 제작하는 것이다. 161mm폼(5)에 9mm합판(6)을 결합하고 9mm합판(6)의 위쪽으로 리지드 트리플렉스(4)를 부착하는것을 나타내고있다. 각각의 하부판넬(2)을 낱개로 조합한 것들을 여러개겹쳐 압력을 가하게되고 일정시간경과후에 이들에 압력을 해제하고 각각의 하부판넬(2)을 가공하게되는것을 나타낸다.The primary bonding process is to manufacture what is used in the lower panel (2). The 9 mm plywood 6 is bonded to the 161 mm foam 5 and the rigid triplex 4 is attached above the 9 mm plywood 6. Each of the lower panels 2 is combined with each other, and the pressure is applied to each other, and after a certain time, the pressure is released to them, and each of the lower panels 2 is processed.

이들공정에 사용되는 재료들은 실제 사용하는 크기보다 약간크게 가공하여 1차접착이 끝난후에 가공되어 규정된 크기로 형성된다. 이때 상부판넬 고정지그(3)가 삽입될 지그고정구(10)까지 가공하게된다.The materials used in these processes are processed slightly larger than the actual size and are processed after the primary bonding to form the specified size. At this time, the upper panel fixing jig (3) is processed to the jig fixture 10 to be inserted.

이렇게 1차접착이 끝나게된 하부판넬(2)에 상부판넬(1)에 사용하게될 68mm폼(7)과 12mm 합판(8)을 겹쳐놓게되며 상부판넬 고정지그(3)를 이용하여 상부판넬(1)에 사용될 재료들을 고정시킨후 접착제를 이용하여 부착하게된다. 상부판넬 고정지그(3)를 이용하게 되므로 항상규정된 위치에 상부판넬(1)을 결합시키게 되므로 정확한 판넬을 생산하도록 구성하였다.In this way, the first panel is finished with the lower panel 2 overlapping the 68 mm foam 7 and the 12 mm plywood 8 to be used for the upper panel 1 and using the upper panel fixing jig 3. The materials to be used in 1) are fixed and then attached using an adhesive. Since the upper panel fixing jig (3) is used, the upper panel (1) is always coupled to the prescribed position, so it is configured to produce an accurate panel.

제 2도는 상부판넬 고정지그(3)를 사용하여 상부판넬(1)을 하부판넬(2)에 결합시킨것을 나타내는 도면이다. 1차접착시에 하부판넬(2)을 접착하고, 일정한 규격으로 다듬게된 후에 상부판넬 고정지그(3)가 삽입될 지그고정구(10)까지 가공하였다.2 is a view showing the upper panel 1 is coupled to the lower panel 2 using the upper panel fixing jig 3. The lower panel 2 was bonded at the time of the first bonding, and after being trimmed to a certain standard, the upper panel fixing jig 3 was processed to the jig fixture 10 to be inserted.

이렇게 형성된 지그고정구(10)에 상부판넬 고정지그(3)를 삽입하고 상부판넬(1)의 각각의 꼭지점 부분을 고정시키면 상부판넬(1)은 하부판넬(2) 위쪽에서 항상 일정한 위치에 고정된다. 이렇게 겹쳐진 각각의 판넬들을 여러개 겹쳐놓고 압력을 가하여 생산하게되며 일정시간 경과후에 상부판넬 고정지그(3)를 제거하고 상부판넬(1)의 측면을 다듬게되며 흘러나온 접착제와 측면을 동시에 가공할 수 있게되어 정확한 크기의 제품을 생산할 수 있도록 한 것이다.When the upper panel fixing jig 3 is inserted into the jig fixture 10 formed as described above and each vertex portion of the upper panel 1 is fixed, the upper panel 1 is always fixed at a fixed position above the lower panel 2. . Each overlapping panel is overlapped and produced by applying pressure. After a certain time, the upper panel fixing jig 3 is removed and the side of the upper panel 1 is trimmed. In order to produce products of the correct size.

제 3도는 접착작업 완료후의 최종 가공도를 나타낸 것으로, 접착공정의 후공정인 가공에서의 최종작업을 나타낸 것이다. 작업대에 올려진 접착완료된 판넬을 둥근톱(9)을 이용하여 2차접착으로 준비된 판넬의 측면을 정절단하고, 각종 구멍가공용 공구들을 이용하여 구멍 가공을 하며, 밀링툴을 이용하여 홈가공을 완료함으로써 최종적으로 가공완료 되도록 구성하였다.Figure 3 shows the final working degree after the completion of the bonding work, and shows the final work in the processing, which is a post-process of the bonding process. By cutting the side of the panel prepared by the secondary bonding with the round saw (9) on the adhesive finished panel mounted on the workbench, using the various hole-cutting tools to make holes, and using the milling tool to complete the groove processing Finally, the processing was completed.

상부판넬(1)과 하부판넬(2)의 측면에 절삭된 부분은 원래 각각의 판넬이 규정치수보다 크게 형성하였기 때문에, 최종가공 공정에서 마무리 작업을 통하여 균일한 크기로 다듬은 것을 보여주고 있다. 따라서 이러한 방법은 접착작업에 들어가기전에 재료를 규정된 치수보다 약간 크게형성하여 지그를 이용하여 접착시킨후, 접합면으로 밀려나온 접착제와 규정치수보다 약간 큰 재료를 함께 다듬게되어 작업을 완료하도록 하였으며, 균일한 크기의 판넬이 생산되도록 하였다.The cut portions on the sides of the upper panel 1 and the lower panel 2 are shown to be trimmed to a uniform size through the finishing operation in the final processing process because each panel was originally formed larger than the specified dimensions. Therefore, this method is to make the material slightly larger than the specified size before joining the adhesive work, and then bonded using a jig, and then finished the work by trimming together the adhesive pushed out to the joint surface and the material slightly larger than the specified size. In addition, panels of uniform size were produced.

본 발명은 액화천연가스용 단열판넬 제작공정중 접착공정의 작업방법을 단순화하여, 초기 제작시에 과다하게 투자될수 있는 접착비용을 줄일 수 있으며, 3차례에걸친 접착공정을 2차로 마무리함에따라 운반 및 이동에 따른 물류비용을 최소화 할 수 있으며, 최종 마무리 작업이 가공(절단, 구멍가공, 홈가공)에서 이루어짐으로, 보다 더나은 가공품질이 완성됨으로, 판넬설치작업을 용이하게하는 효과가 있다.The present invention simplifies the working method of the bonding process during the manufacturing process of the insulating panel for liquefied natural gas, can reduce the adhesive cost that can be excessively invested during the initial production, and transported by finishing the bonding process over two times And it can minimize the logistics cost due to movement, and because the final finishing work is made in the processing (cutting, hole processing, groove processing), the better processing quality is completed, there is an effect that facilitates the panel installation work.

Claims (1)

1차 프레스 접착작업으로 하부판넬(2)을 접착하고 정규격으로 절단하며 지그고정구(10)를 천공하는 제1 공정과,A first process of adhering the lower panel 2 by the first press bonding operation, cutting it to regular rating, and drilling the jig fixture 10; 제 1공정에서 제작된 하부판넬(2)위의 지그고정구(10)에 상부판넬 고정지그(3)를 끼워설치하고, 지그내측으로 조금크게 가절단된 상부판넬용폼과 합판을 각각 접착제를 도포하여 중첩한 후 2차 프레스 접착작업으로 접착하는 제 2 공정과,The upper panel fixing jig (3) is inserted into the jig fixture (10) on the lower panel (2) manufactured in the first step, and the top panel foam and plywood, each of which is slightly cut into the jig, are coated with adhesive. A second step of laminating and then bonding by a second press bonding operation; 제 2공정에서 완성된 평판넬의 가절단 상태의 상부판넬(1)을 둥근톱(9)으로 정절단 하는 제 3공정으로 이루어지는 액화천연가스 운반선용 평판넬 제작방법.A method for producing a flat panel panel for a liquefied natural gas carrier, comprising a third step of cutting the top panel (1) in the cut state of the flat panel panel completed in the second step with a round saw (9).
KR1019990017485A 1999-05-15 1999-05-15 The metood of the flat wall panel producing for LNG tanker KR100287739B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100459843B1 (en) * 2001-09-15 2004-12-03 주식회사 한국카본 Manufacturi ng method of flat panel for LNG container
WO2007052961A1 (en) * 2005-11-03 2007-05-10 Seong-Uk Lee Bonding method between secondary gas barrier and insulation panel using heating pad

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100889903B1 (en) 2004-12-17 2009-03-20 현대중공업 주식회사 Automatic bonding system of Triplex for liquefied natural gas carriers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100459843B1 (en) * 2001-09-15 2004-12-03 주식회사 한국카본 Manufacturi ng method of flat panel for LNG container
WO2007052961A1 (en) * 2005-11-03 2007-05-10 Seong-Uk Lee Bonding method between secondary gas barrier and insulation panel using heating pad

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