KR20210048965A - Flare Tip Maintenance Apparatus - Google Patents

Abstract

The present invention relates to a flare tip maintenance apparatus, and more specifically, to a flare tip maintenance apparatus, which solves a problem that lots of costs for flare tip maintenance is required and a problem that replacement is difficult and dangerous due to poor accessibility caused by external factors such as wind. A flare tip maintenance apparatus according to an embodiment of the present invention comprises: a plate-shaped desk which exposes a flare tip to an upper portion; a pair of openings for opening and closing one side of the desk; first to fourth crane booms which are installed in a foldable manner at a lower portion of the opening, and have first to fourth joint portions formed thereon; first and second hanger portions which are inserted into the first and second crane booms, and rotated to one side to be lead out; and a rack pinion unit for moving one side of each of the third and fourth crane booms. In addition, the first hanger portion and the second hanger portion are in contact with each other to be connected to each other in a straight line. When the first and second crane booms are hinged and rotated with one side of the desk, the third and fourth crane booms rotate around the first and second hanger portions to be moved to a position for lifting the flare tip.

Description

Flare Tip Maintenance Apparatus}

The present invention relates to a flare tip maintenance device, and more particularly, a flare tip for safe storage while eliminating the difficulty and danger of replacement due to a high cost of maintenance and a lack of access due to external factors such as wind. It relates to a maintenance device.

According to industrialization, the use of various resources is increasing rapidly, and the development of resources such as crude oil and natural gas among them has emerged as a very important problem.

Accordingly, in recent years, special ships equipped with equipment for various exploration and drilling, for example, drill ships, semi-submersible drilling rigs, and offshore work ships such as floating production storage & offloading units (FPSO), etc. It has been developed and is conducting exploration and mining work for the production of various resources from the deep sea.

In addition to the FPSOs mentioned above, there are, for example, FPSOs for liquefied natural gas and various other offshore plants.

Flare towers are installed on such ships or offshore structures to treat crude oil or natural gas drilled from the seabed by burning waste gas remaining after refining.

The Flare Tower is a safety facility that incinerates excess gas during refining and incinerates and discharges it at once if excessive gas is suddenly ejected.

The reason for treating waste gas by burning it is that various chemical types of hydrocarbon-based substances are contained in the waste gas generated during the production of petroleum or natural gas, and if it is discharged to the atmosphere as it is, it may cause air pollution.

Therefore, a method of combusting and discharging waste gas is usually being dealt with.

A flare tip that emits flames is installed at the end of the flare tower. These flare tips cease to function normally due to aging after a certain period of time. In this case, it must be replaced according to the replacement procedure.

Conventionally, a helicopter was used to replace the flare tip, or an additional structure was installed on the tip platform on which the flare tip was installed.

There is a problem with safety hazards when using a helicopter.

When installing a separate structure, materials, manpower, and time are required. When the flare tip is replaced by installing a separate structure in this way, workers must manually move the material from the deck of the offshore structure to the tip platform, and since the structure is installed in a limited space, it takes a lot of time to manufacture the structure for replacement. .

Korean Patent Laid-Open Publication No. 10-2014-0086254, the name of the invention'a system and method for repairing and replacing flare tips for offshore structures' (published date 2014.07.08.)

The present invention was created to solve the problems of the prior art, and in the related art, the cost for maintenance of the flare tip is high, and the accessibility is low due to external factors such as wind, reducing the difficulty and risk of replacement, and maintaining the flare tip safely. Its purpose is to provide a device.

In order to achieve the above object, a flare tip maintenance apparatus according to an embodiment of the present invention includes a plate-shaped desk exposing the flare tip to the upper portion; A pair of openings for opening and closing one side of the desk; First to fourth crane booms installed in a foldable manner under the opening, and having first to fourth joints; First and second hangers inserted into the first and second crane booms and rotated to one side to rise; And a rack pinion unit for moving one side of the third and fourth crane booms.

In addition, the first and second hangers are in contact with each other and connected in a straight line, but when the first and second crane booms are hinged to one side of the desk and rotate, the first and second hangers are centered. As the third and fourth crane booms are rotated, they are moved to a position where the flare tip is lifted.

According to the present invention, since a helicopter is used for maintenance of a conventional flare tip, or the equipment is moved from the ground or the upper desk to be operated, it is costly and is performed at a high point other than the surface. There is an advantage that can solve the difficulties that must be done.

In addition, since the height of the flare stack exceeds 140m, it is greatly affected by the wind, and there is an advantage of solving a problem that is difficult to repair when necessary.

In addition, since work must be performed in a narrow space, there is an advantage in that it is possible to solve a problem that may involve a lot of risks when moving with equipment or working on a platform by several people.

In addition, there is an advantage that it can be safely stored for a long time and is easy to install and disassemble.

1 is a plan view showing a flare tip maintenance apparatus according to an embodiment of the present invention.
2 is a perspective view showing a part of a flare tip maintenance apparatus according to an embodiment of the present invention.
3 is a plan view (a) and a side view (b) showing a crane boom of the flare tip maintenance apparatus according to an embodiment of the present invention.
4 to 6 are side views showing a state in which the crane boom of the flare tip maintenance apparatus according to an embodiment of the present invention is deployed.
7 is a view sequentially showing a hanger portion of the flare tip maintenance apparatus according to an embodiment of the present invention.
8 is another plan view showing a flare tip maintenance apparatus according to an embodiment of the present invention.
9 to 12 are views in which the flare tip maintenance apparatus according to an embodiment of the present invention is sequentially operated.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art may easily implement the present invention. However, the present invention may be implemented in various different forms and is not limited to the embodiments described herein.

The terminology used herein is for referring only to specific embodiments and is not intended to limit the present invention. Singular forms as used herein also include plural forms unless the phrases clearly indicate the opposite. The meaning of "comprising" as used in the specification specifies a specific characteristic, region, integer, step, action, element and/or component, and other specific characteristic, region, integer, step, action, element, component and/or group It does not exclude the existence or addition of

Although not defined differently, all terms including technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms defined in a commonly used dictionary are additionally interpreted as having a meaning consistent with the related technical literature and the presently disclosed content, and are not interpreted in an ideal or very formal meaning unless defined.

Embodiments of the present invention described with reference to the drawings specifically represent an ideal embodiment of the present invention. As a result, various variations of the illustration are expected. Therefore, the embodiment is not limited to a specific shape of the illustrated area. Areas depicted or described as being flat may have characteristics that are generally spanning/coarse and non-linear.

Also, portions shown as having a sharp angle can be rounded. Accordingly, the areas shown in the drawings are originally only approximate, and their shapes are not intended to show the exact shape of the area, nor are they intended to narrow the scope of the present invention.

It should be noted that the drawings are schematic and have not been drawn to scale. Relative dimensions and ratios of parts in the drawings are exaggerated or reduced in size for clarity and convenience in the drawings, and any dimensions are merely exemplary and not limiting. In addition, the same reference numerals for the same structure, element, or part appearing in two or more drawings are used to indicate corresponding or similar features in different embodiments.

Conventional flare tip maintenance is mainly performed by using a helicopter, or by moving equipment from an upper desk on the ground or in the case of a ship.

In addition, this flare tip maintenance is costly and must be performed at a high point instead of on the ground, resulting in many difficulties.

In particular, the flare stack in FPSO (Floating Production Storage And Offloading) has a height of more than 140M, so it is highly affected by wind and cannot be repaired at the required point.

In addition, since work must be performed in a narrow space, there may be a lot of risk when moving with equipment or working on a platform with multiple people.

Therefore, the present invention relates to a flare tip maintenance device for safely storing and eliminating the difficulty and risk of replacement due to a low accessibility due to external factors such as wind, which consumes a lot of cost for maintenance of a flare tip in the related art. Since related devices are not operated by moving the equipment from the ground, but are stored in the space under the heat shield for high utilization, it can be safely stored for a long time from the heat flux emitted from the flare tip, and installation and disassembly are easy. .

1 is a plan view showing a flare tip maintenance apparatus according to an embodiment of the present invention, FIG. 2 is a perspective view showing a part of a flare tip maintenance apparatus according to an embodiment of the present invention, and FIG. A plan view (a) and a side view (b) showing a crane boom of a flare tip maintenance device according to an embodiment of the present invention, and FIGS. 4 to 6 are a crane of the flare tip maintenance device according to an embodiment of the present invention. It is a side view showing a state in which the boom is deployed.

In addition, FIG. 7 is a view sequentially showing a hanger part of a flare tip maintenance apparatus according to an embodiment of the present invention, and FIG. 8 is another plan view showing a flare tip maintenance apparatus according to an embodiment of the present invention. 9 to 12 are views in which the flare tip maintenance apparatus according to an embodiment of the present invention is sequentially operated.

Referring to the drawings, the flare tip maintenance apparatus 100 according to an embodiment of the present invention includes a plate-shaped desk 110 exposing the flare tip F to the upper portion; A pair of openings 120 for opening and closing one side of the desk 110; First to fourth crane booms (130a, 130b, 130c, 130d) installed in a foldable manner under the opening 120 and having first to fourth joints (131a, 131b, 131c, 131d); First and second hanger portions 140a and 140b inserted into the first and second crane booms 130a and 130b and rotated to one side to rise; And a rack pinion unit 150 for moving one side of the third and fourth crane booms 130c and 130d.

In addition, the first hanger portion (140a) and the second hanger portion (140b) are connected to each other in a straight line, but the first and second crane booms (130a, 130b) are hinged with one side of the desk (110). ) When connected and rotated, the third and fourth crane booms 130c and 130d rotate around the first and second hangers 140a and 140b to move to a position where the flare tip F is lifted. It is characterized by being.

In addition, the first hanger portion (140a) is the first crane boom (130a) deployed around the first joint portion (131a) and the third crane boom deployed around the third joint portion (131c) ( It characterized in that it forms a triangular shape supported by the first crane boom (130a) and the third crane boom (130c) by connecting a hinge (130c).

In addition, the second hanger portion (140b) is the second crane boom (130b) deployed around the second joint portion (131b) and the fourth crane boom deployed around the fourth joint portion (131d) ( 130d) is hinged to form a triangular shape supported by the second crane boom 130b and the fourth crane boom 130d.

In addition, the first hanger portion (140a) and the second hanger portion (140b) is characterized in that the mutual detachment of the bolt / nut method.

In addition, the first and third crane booms (130a, 130c) are adjacent to each other, and the second and fourth crane booms (130b, 130d) are adjacent to each other, but the first and third crane booms (130a, 130c) Is characterized in that it faces the second and fourth crane booms 130b and 130d based on the flare tip F.

Then, the configuration and operation of the flare tip maintenance apparatus 100 according to embodiments of the present invention will be described in detail as follows.

The flare tip maintenance device 100 proposed in the present invention is a device that lifts and replaces the flare tip F, and includes a desk 110, an opening 120, the first to fourth crane booms 130a, 130b, 130c, 130d), first and second hanger portions 140a and 140b, and a rack and pinion portion 150.

As shown in FIGS. 1 and 2, the desk 110 functions as a heat shield so that the flare tip F is exposed to the top in a plate shape, but the flame of the flare tip F does not spread to the bottom. When replacing the flare tip (F), as shown in FIGS. 9, 11 and 12, a space in which a person can move is provided.

In addition, as shown in FIG. 1, the desk 110 provides an opening portion 110h opened at one side that can move downward by dismantling the flare tip F.

However, the desk 110 proposed by the present invention has a shape such as a hexagonal shape as shown in FIG. 1 or a square shape as shown in FIG. 2 and is not limited as necessary.

For reference, the flare tip (F) can be divided into an HP tip (high pressure tip) and an LP tip (low pressure tip) according to the injection pressure of the gas, as shown in Figs. 1 and 4, and the gas at the nozzle outlet. Depending on the injection speed, it may be classified into a subsonic tip and a subsonic tip.

In addition, the desk 110 has a heat shield function, and is installed to protect the lower structure, equipment, and people by shielding the heat flow emitted from the HP flare tip (F) including the LP flare tip (F). do.

Here, the desk 110 maintains a heat shielding performance of 75% or more.

As shown in FIGS. 1 and 2, the opening 120 has a door that opens and closes one side of the desk 110.

In addition, as shown in FIG. 2, the openings 120 provide opening spaces to both sides based on the central play tip (not shown).

In particular, the opening 120 proposed by the present invention is a device for protecting the crane boom 130, which will be described later, and is opened and opened when necessary through an opening and closing method, and then closed after use to close equipment such as the crane boom 130. It makes it possible to maintain a long life.

1 and 3, the crane boom 130 is a device that is installed in a foldable manner under the opening 120 and then deployed to the top of the desk 110, a first crane boom 130a, a second crane It includes a boom (130b), a third crane boom (130) and a fourth crane boom (130d).

In addition, the crane boom 130 is composed of two nodes based on the joint portion 131, as shown in FIGS. 1 and 3.

Here, the crane boom 130 may be divided into a front joint portion 133 located in front of the two joint portions and a rear joint portion 135 located behind.

Therefore, the crane boom 130 is folded or unfolded by rotating the front joint portion 133 and the rear joint portion 135 based on the joint portion 131 as shown in FIGS. 4 to 6 and 9 to 12 do.

That is, each of the first to fourth crane booms 130a, 130b, 130c, and 130d is hidden under the opening 120 in a foldable manner, and the first to fourth joints 131a, 131b, 131c, and 131d are respectively It rotates and is deployed to the top of the desk 110.

In addition, the first crane boom (130a), as shown in Figs. 9 to 12, the front joint 133 is hinged to the desk 110 and the rear joint 135 is the first hanger By the intervention of (140a), the front joint portion 133 of the third crane boom (130c) and the hinge (hinge) is connected.

In addition, the second crane boom (130b), as shown in Figures 9 to 12, the front joint 133 is hinged to the desk 110 and the rear joint 135 is a second hanger By the intervention of (140b), the front joint portion 133 of the fourth crane boom (130d) and the hinge (hinge) is connected.

In addition, the third crane boom (130c), as shown in Figs. 9 to 12, the front joint portion 133 is the rear joint portion of the first crane boom (130a) by the intervention of the first hanger (140a) (135) and the hinge (hinge) is connected, and the posterior joint part 135 performs a rolling motion with the rack and pinion part 150.

In addition, the fourth crane boom (130d), as shown in Figures 9 to 12, the front joint portion 133 is the rear joint portion of the second crane boom (130b) by the intervention of the second hanger (140b) (135) and the hinge (hinge) is connected, and the posterior joint part 135 performs a rolling motion with the rack and pinion part 150.

In addition, the first and third crane booms (130a, 130c) are adjacent to each other, as shown in Figs. 1 and 8, 10, and the second and fourth crane booms (130b, 130d) are also installed adjacent to each other. .

In addition, the first and third crane booms (130a, 130c) face the second and fourth crane booms (130b, 130d) based on the flare tip (F).

That is, the first crane boom 130a faces the second crane boom 130b based on the flare tip F, and the third crane boom 130c is the fourth crane boom based on the flare tip F. They face each other with (130d).

The hanger 140 is a device that is inserted into the crane boom 130 and rotated to one side to rise, as shown in FIGS. 6 to 12, and the first and second hangers 140a, 140b).

That is, the first hanger part 140a is inserted into the rear part of the first crane boom 130a as shown in FIG. 7 and then rotates to one side to rise, and the second hanger part 140b ) Is a device that is inserted into the rear part of the second crane boom 130b and then rotates to one side to rise.

In addition, the first hanger portion (140a) and the second hanger portion (140b) is connected to each other in a straight line as shown in Figure 7, but the first and second crane booms (130a, 130b) are desk 110 A position in which the third and fourth crane booms 130c and 130d rotate around the first and second hangers 140a and 140b when the hinge is connected to one side and rotates to lift the flare tip F. Is moved to.

That is, the first hanger part 140a is connected to each other in a straight shape by contacting the second hanger part 140b, but when the first crane boom 130a is hinged to one side of the desk 110 and rotates 1 The third crane boom (130c) is rotated around the hanger (140a), the second hanger (140b) is connected in a straight line by contacting with the first hanger (140a), the second crane boom (130b) When the desk 110 is hinged to one side and rotates, the fourth crane boom 130d rotates around the second hanger 140b to rotate the first hanger 140a and the second hanger. (140b) is moved to the position to lift the flare tip (F).

In addition, the first hanger portion (140a), as shown in Figs. 6 and 9 to 12, the first crane boom (130a) and the third joint portion (131c) developed around the first joint portion (131a). The third crane boom 130c deployed as the center is hinged to form a triangular shape supported by the first crane boom 130a and the third crane boom 130c.

In addition, the second hanger part 140b includes a second crane boom 130b and a fourth joint part 131d developed around the second joint part 131b, as shown in FIGS. 6 and 9 to 12. The fourth crane boom 130d deployed as the center is hinged to form a triangular shape supported by the second crane boom 130b and the fourth crane boom 130d.

In addition, since the first hanger portion 140a and the second hanger portion 140b are detached from each other in a bolt/nut manner as shown in (f) of FIG. 7, they can be easily installed and disassembled.

In particular, the first hanger portion 140a and the second hanger portion 140b have a pulley installed in the center as shown in FIG. 12 to facilitate installation and removal of the flare tip F.

The rack pinion unit 150 is formed in a triangular shape by a combination of the crane boom 130 and the hanger unit 140, as shown in Figs. 6, 9 to 12, and the third and fourth crane booms 130c and 130d. ) It is a device that moves one side in parallel along the horizontal direction of the desk 110.

In addition, the rack pinion unit 150 is equipped with a pinion gear on one side of the third and fourth crane booms 130c and 130d, and forms a straight rack gear through which the pinion gear can roll.

Accordingly, the rack and pinion unit 150 uses hydraulic pressure or pneumatic pressure, as shown in FIG. 9, and one side of the third and fourth crane booms 130c and 130d is inside the first and second crane booms 130a and 130b. Move to the flare tip (F) directly above, or lift the flare tip (F) to move the first and second crane booms (130a, 130b) toward the bar, as shown in Figure 12, so that it can be disassembled.

Therefore, the flare tip maintenance apparatus according to the embodiments of the present invention can expect the following effects.

According to the present invention, since a helicopter is used for maintenance of a conventional flare tip, or the equipment is moved from the ground or the upper desk to be operated, it is costly and is performed at a high point other than the surface. There is an advantage that can solve the difficulties that must be done.

In addition, since the height of the flare stack exceeds 140M, it is greatly affected by the wind, and there is an advantage in that it is possible to solve a problem that is difficult to repair when necessary.

In addition, since work must be performed in a narrow space, there is an advantage in that it is possible to solve a problem that may involve a lot of risks when moving with equipment or working on a platform by several people.

In addition, there is an advantage that it can be safely stored for a long time and is easy to install and disassemble.

The above description is merely illustrative of the technical idea of the present invention, and those of ordinary skill in the technical field to which the present invention pertains can make various modifications, changes and substitutions within the scope not departing from the essential characteristics of the present invention. will be.

Accordingly, the embodiments disclosed in the present invention and the accompanying drawings are not intended to limit the technical idea of the present invention, but to explain, and the scope of the technical idea of the present invention is not limited by these embodiments and the accompanying drawings. .

The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

100: Flare tip maintenance device proposed by the present invention
110: desk
120: opening
130: crane boom
140: hanger part
150: rack pinion part

Claims (4)

A plate-shaped desk exposing the flare tip to the top;
A pair of openings for opening and closing one side of the desk;
First to fourth crane booms installed in a foldable manner under the opening, and having first to fourth joints;
First and second hangers inserted into the first and second crane booms and rotated to one side to rise; And
Including a rack pinion portion for moving one side of the third and fourth crane boom,
The first and second hangers abut each other and are connected in a straight line, but when the first and second crane booms are hinged to one side of the desk and rotate, the first and second hangers are the center of the Flare tip maintenance device, characterized in that the third and fourth crane booms rotate to move to a position to lift the flare tip. The method of claim 1,
The first hanger unit hinges the first crane boom deployed around the first joint and the third crane boom deployed around the third joint to connect the first crane boom and the third crane. It has a triangular shape supported by the boom,
The second hanger portion hinges the second crane boom deployed around the second joint portion and the fourth crane boom deployed around the fourth joint portion to connect the second crane boom and the fourth crane. Flare tip maintenance device, characterized in that forming a triangular shape supported by the boom. The method of claim 1,
Flare tip maintenance device, characterized in that the first hanger portion and the second hanger portion are mutually detachable in a bolt/nut method. The method of claim 1,
The first and third crane booms are adjacent to each other, and the second and fourth crane booms are adjacent to each other, and the first and third crane booms are relative to the second and fourth crane booms based on the flare tip. Flare tip maintenance device, characterized in that facing.

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