KR20170022517A - Oil flushing system including pulsation producer and bubble generator - Google Patents

Oil flushing system including pulsation producer and bubble generator Download PDF

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Publication number
KR20170022517A
KR20170022517A KR1020150117609A KR20150117609A KR20170022517A KR 20170022517 A KR20170022517 A KR 20170022517A KR 1020150117609 A KR1020150117609 A KR 1020150117609A KR 20150117609 A KR20150117609 A KR 20150117609A KR 20170022517 A KR20170022517 A KR 20170022517A
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KR
South Korea
Prior art keywords
flushing
pipeline
bubble generator
air
pulsation
Prior art date
Application number
KR1020150117609A
Other languages
Korean (ko)
Inventor
김승태
Original Assignee
삼성중공업 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 삼성중공업 주식회사 filed Critical 삼성중공업 주식회사
Priority to KR1020150117609A priority Critical patent/KR20170022517A/en
Publication of KR20170022517A publication Critical patent/KR20170022517A/en

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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 
    • B63B59/00—Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/003—Cleaning involving contact with foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages

Abstract

Disclosed is an oil flushing system including a pulsation producer and a bubble generator. According to an embodiment of the present invention, the oil flushing system comprises: a flushing unit circulating flushing oil to a pipe line; a bubble generator installed on the pipe line, and generating a bubble by injecting air supplied from an air supply unit through an air supply line into the pipe line; and a pulsation producer installed on the pipe line, and generating a pulsating flow with respect to the flushing oil.

Description

[0001] The present invention relates to an oil flushing system including a pulsation generator and a bubble generator,

The present invention relates to an oil flushing system including a pulsation generator and a bubble generator.

In general, debris, foreign matter, sludge, etc., which are generated during the drying or operating process, may be deposited in pipelines of ships or offshore structures. Such foreign matter can be negatively influenced by hydraulic pressure transmission through the pipeline, and is being removed in the pipeline through the oil flushing method.

The oil flushing is a method of circulating a flushing oil containing a rustproofing agent or the like into a pipeline to remove foreign substances in the pipe together with the flushing oil. The flushing oil is circulated through the pump, Etc. are removed and recirculated, thereby removing foreign materials and the like deposited on the pipeline.

The above-described oil flushing operation is a necessary process for normal operation or stable operation of the pipeline, and Korean Patent Laid-Open No. 10-2011-0091914 discloses a remote monitoring system and method for the oil flushing operation .

Korean Patent Laid-Open No. 10-2011-0091914 (published on August 17, 2011) - Oil flushing remote monitoring system and method

An object of the present invention is to provide an oil flushing system including a pulsation generator and a bubble generator capable of generating bubbles and generating pulsations while maintaining an appropriate pressure flow to improve the effect of oil flushing operation.

Other objects of the present invention will become readily apparent from the following description.

According to an aspect of the present invention, there is provided a flushing apparatus comprising: a flushing unit for circulating flushing oil into a pipeline; A bubble generator installed on the pipeline and injecting air supplied from an air supply unit through an air supply line into the pipeline to generate bubbles; There is provided an oil flushing system including a pulsation generator installed on the pipeline and generating a pulsating flow with respect to the flushing oil.

The bubble generator includes: a body having an inlet through which the flushing oil flows and an outlet through which the flushing oil flows; And an air injection module embedded in one side of the body portion and having an air chamber communicated with the air supply line to inject air into the pipeline, wherein a plurality of injection holes are formed in the lower portion of the air injection module .

The vortex generator may further include a vortex generating module for generating a vortex with respect to the flushing oil flowing through the body by rotating the propeller vane, wherein the vortex generating module is installed at least one of a front end and a rear end of the air infusion module .

Wherein the pulsating generator includes: a body having an inlet through which the flushing oil flows and an outlet through which the flushing oil flows; And a pulsation generating module provided in the body and including a cylinder provided with a nozzle having a flow path smaller than the inner diameter of the chamber at the front end and a piston moving back and forth in the cylinder.

The side surface of the cylinder may be formed with an opening / closing hole that is opened and closed in accordance with the forward / backward movement of the piston.

The bubble generator may be disposed adjacent to an outlet side of the flushing unit or at a rear end of a branch point where the pipeline branches, and the pulsation generator may be disposed at a front end of the bubble generator at a rear end of a branch point have.

Other aspects, features, and advantages will become apparent from the following drawings, claims, and detailed description of the invention.

According to the embodiment of the present invention, bubbles are generated while maintaining a proper pressure flow, pulsation is generated, and the effect of the oil flushing operation is improved.

1 is a schematic configuration diagram of a flushing system according to an embodiment of the present invention;
2 is a side cross-sectional view of a bubble generator according to an embodiment of the present invention,
3 is a side cross-sectional view of a pulsation generator according to an embodiment of the present invention.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

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 this specification, the terms "comprises" or "having" and the like refer to the presence of stated features, integers, steps, operations, elements, components, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

Also, the terms " part, "" unit," " module, "and the like, which are described in the specification, refer to a unit for processing at least one function or operation and may be implemented by hardware or software or a combination of hardware and software .

It is to be understood that the components of the embodiments described with reference to the drawings are not limited to the embodiments and may be embodied in other embodiments without departing from the spirit of the invention. It is to be understood that although the description is omitted, multiple embodiments may be implemented again in one integrated embodiment.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

1 is a schematic block diagram of a flushing system according to an embodiment of the present invention.

The flushing system according to an embodiment of the present invention is for removing impurities or sludge in a pipeline, and a pulsation generator and a bubble generator are installed at predetermined positions so that the flushing oil circulates the pipeline with an appropriate pressure, The efficiency can be improved.

1, the oil flushing system 100, the flushing unit 110, the pipeline 20, the bubble generators 120a to 120c, and the pulsation generators 130a to 130b , And target units 10a to 10b are shown.

The oil flushing system 100 according to the present embodiment includes a flushing unit 110, a bubble generator 120, and a pulse generator 130.

The flushing unit 110 may be installed on the pipeline 20 and circulates the flushing oil into the pipeline 20. The flushing oil is for removing impurities or sludge in the pipeline 20, and may include a low viscosity mineral oil containing a detergent, an antirust agent, and the like.

Flushing unit 110 may include a pump 112 to provide the driving force necessary for circulation. It is also possible to provide a filter 114 for filtering foreign substances or the like in the flushing oil recovered in the pipeline 20. Further, it may further include a storage tank (not shown) in which the flushing oil is stored. The construction of such a flushing unit 110 is obvious to those skilled in the art and is not described in detail because it is different from the technical spirit of the present invention.

Bubble generator 120 is a component that creates bubbles in pipeline 20.

The air bubble generator 120 is connected to the air supply unit 122 so that air can be smoothly supplied to the bubble generator 120. Air means a gas-like material, and is not limited to a specific component. For example, air may include a gas mixture similar to an atmospheric component, as well as nitrogen gas and the like.

The air supply lines 124a to 124c (hereinafter collectively referred to as 124) connect the air supply unit 122 and the bubble generator 120 and provide a flow path of air to be supplied to the bubble generator 120.

The air supply line 124 may be provided with a pressure control valve (not shown). The pressure regulating valve adjusts the degree of opening and closing of the air supply line 124 to adjust the air pressure regulated by the bubble generator 120. For example, the pressure regulating valve may be formed of an electrically controllable solenoid valve, and may be operated in conjunction with the flushing unit 110 as required. The air supply line 124 may be provided with a check valve or the like for preventing backflow.

The pulsation generator 130 is a component that generates pulsation in the pipeline 20. A pulsating flow is generated with respect to the flushing oil flowing in the pipeline 20, so that the foreign matter removing effect can be enhanced. In addition, the pressure may be applied to the flushing unit 110 through the pulsating flow in a region where the pressure is reduced due to the distance from the outlet of the flushing unit 110 and the flushing phenomenon starts to appear, thereby improving the flow efficiency of the flushing oil.

In this embodiment, the bubble generator 120 may be installed on the pipeline 20 such that it is disposed adjacent to the flushing unit 110 or at the end of the branch point where the pipeline 20 branches off.

For example, the first bubble generator 120a may be disposed adjacent to the outlet side of the flushing unit 110, which is the starting point from which the circulation of the flushing oil starts. This is to make flushing oil contain air bubbles in the starting process so as to increase the removal efficiency of foreign substances.

Further, the second bubble generator 120b and the third bubble generator 120c may be disposed at the rear end of the branch point and the front end of the target unit 10. Here, the target unit 10 may include a control cabinet such as a sloughing device for a burner boom, a mooring winch, an anchor winch, and the like.

The first pulsation generator 130a and the second pulsation generator 130b are provided at the front ends of the second bubble generator 120b and the third bubble generator 120c respectively so that the pressure A predetermined pressure is added by using a pulsating flow in a region where the flow is not smooth and stagnant so that the flushing oil can flow smoothly.

Hereinafter, the bubble generator 120 and the pulsation generator 130 will be described in detail with reference to the related drawings.

2 is a side cross-sectional view of a bubble generator in accordance with an embodiment of the present invention.

Referring to FIG. 2, the bubble generator 120 according to the present embodiment may be provided as one modularized part so as to be installed and applicable to an existing flushing system. That is, the bubble generator 120 itself may be provided as a single part so that a part of the pipeline 20 may be installed at the removed site.

The bubble generator 120 includes a body portion 210 formed in a hollow cylindrical shape. An inlet 212 is formed at one end of the body 210 and an outlet 214 is formed at the other end of the body 210 to allow the flushing oil flowing through the inlet 212 to flow inside the body 210, ). ≪ / RTI >

The inlet 212 and the outlet 214 of the body 210 may be provided with an inlet end connection flange and an outlet end connection flange respectively for installation in the pipeline 20. The inlet end connection flange and the outlet end connection flange each have a bolt hole and can be fastened to the pipeline 20 through a bolt connection or the like.

An air injection module 220 may be installed at one side of the body 210 of the bubble generator 120. The air injection module 220 is connected to the air supply line 124 to supply the air supplied from the air supply part 122 through the air supply line 124 and inject air into the body part 210 to generate bubbles can do.

The air injection module 220 may be embedded in the outer wall of the body 210. The air injection module 220 has an air chamber 226 communicating with the air supply line 124 therein so that the air supplied through the air supply line 124 can be temporarily stored.

The air injection module 220 may include an upper surface portion 221, a lower surface portion 222, and a side surface portion 223. The space defined by the upper surface portion 221, the lower surface portion 222, and the side surface portion 223 corresponds to the air chamber 226. The upper surface portion 221 may be provided with a connection portion 225 for connection of the air supply line 124.

The lower surface portion 222 may be formed to have a predetermined inclination. And may be formed to be inclined upward along the flow direction of the flushing oil (direction from the right to the left in FIG. 2). This is to prevent the air injected from the lower portion 222 of the air injection module 220 from disturbing the flow of the flushing oil in the body portion 210 as much as possible. That is, the air injected from the lower portion 222 is injected obliquely in a direction corresponding to the flow direction of the flushing oil, so that the flow interference due to the air injection can be minimized.

A plurality of injection holes 224 may be formed in the lower surface 222. An injection hole 224 is formed through the bottom portion 222 to allow air within the air chamber 226 to be injected into the body portion 210.

Further, the bubble generator 120 according to the present embodiment may further include a vortex generation module 230, 240 for generating a vortex with respect to the flow flow of the flushing oil. The vortex generation modules 230 and 240 include a propeller to generate a vortex or flow in a cyclone form to the flushing oil flowing around the vortex generation modules 230 and 240 by the rotation of the propeller.

The first vortex generation module 230 is installed at the front end of the air injection module 220 so that vortex can be generated before bubbles are generated in the flushing oil. The second vortex generation module 240 is installed at the rear end of the air injection module 220 to generate a vortex against the generated flushing oil to uniformly distribute the bubbles in the flushing oil to increase the flow efficiency have.

3 is a side cross-sectional view of a pulsation generator according to an embodiment of the present invention.

Referring to FIG. 3, the pulsation generator 130 according to the present embodiment may also be provided as one modularized part so as to be installed and applicable to a conventional flushing system. That is, the pulse generator 130 itself may be provided as a single part, and may be installed at a site where a part of the pipeline 20 is removed.

The pulsation generator 130 includes a body portion 310 formed in a hollow cylindrical shape. An inlet 312 is formed at one end of the body 310 and an outlet 314 is formed at the other end of the body 310. The flushing oil flowing through the inlet 312 flows inside the body 310, ). ≪ / RTI >

The inlet 312 and the outlet 314 of the body 310 may be provided with an inlet end connection flange and an outlet end connection flange respectively for installation in the pipeline 20. The inlet end connection flange and the outlet end connection flange each have a bolt hole and can be fastened to the pipeline 20 through a bolt connection or the like.

The pulsation generating module 320 may be installed in the body 310 of the pulsating generator 130.

The pulsation generating module 320 has a cylinder 322 having an empty chamber therein and the piston 324 can reciprocate back and forth by the piston rod 326 in the cylinder 322. [

At the front end of the cylinder 322, a nozzle 328 having a flow path smaller than the inner diameter of the chamber is provided, so that the flushing oil can be introduced or discharged.

An opening / closing hole 330 may be formed through the side surface of the cylinder 322. The opening / closing hole 330 is closed when the piston 324 is moved forward, and is opened when the piston 324 is moved backward.

3 (a)), the flushing oil flows into the front space of the piston 324 through the nozzle 328. In this case, The opening / closing hole 330 is opened so that the flushing oil around the cylinder 322 flows into the front space of the piston 324.

3B), the flushing oil in the front space of the piston 324 is discharged to the outside of the cylinder 322 through the nozzle 328. Then, as shown in Fig. In this case, the opening / closing hole 330 is closed by the piston 324, so that the flushing oil can be discharged only through the nozzle 328.

The piston rod 326 is connected to a power transmitting portion (not shown) and receives power for reciprocating the piston 324 back and forth. For example, when the power transmitting portion is a hydraulic pump, the piston rod 326 moves forward and backward as the hydraulic pressure is supplied or sucked. Or a plurality of gears may be connected between the piston rod 326 and the motor to convert the rotational motion of the motor into a linear motion and transmit the linear motion to the piston rod 326 to move back and forth. The construction of the power transmitting portion for the forward and backward reciprocating motion of the piston rod 326 is apparent to those skilled in the art, and a detailed description thereof will be omitted.

The piston 324 reciprocates back and forth by the power transmitted through the power transmitting portion, thereby generating a pulsating flow to the flushing oil in the body portion 310 periodically or at an arbitrary time interval.

Although the pulsation generating module 320 is illustrated as being located in the body 310, the pulsation generating module 320 may be installed at one side of the body 310 to generate a pulsating flow corresponding to the flow direction without interfering with the flow of the flushing oil. Of course it is.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined in the following claims And changes may be made without departing from the spirit and scope of the invention.

100: Oil flushing system 110: Flushing unit
112: Pump 114: Filter
120a to 120b: bubble generators 130a to 130b: pulse generator
20: Pipeline 122: Air supply
124a-c: Air supply line
210: Body part 220: Air injection module
221: upper surface portion 222: lower surface portion
223: side portion 224: injection hole
225: connection part 226: air chamber
230, 240: vortex generation module
310: body part 320: pulse generation module
322: cylinder 324: piston
326: Piston rod 328: Nozzle
330: opening / closing hole

Claims (6)

A flushing unit for circulating the flushing oil to the pipeline;
A bubble generator installed on the pipeline and injecting air supplied from an air supply unit through an air supply line into the pipeline to generate bubbles;
And a pulsation generator installed on the pipeline and generating a pulsating flow with respect to the flushing oil. The method according to claim 1,
Wherein the bubble generator comprises:
A body portion having an inlet through which the flushing oil flows and an outlet through which the flushing oil flows;
And an air injection module embedded in one side of the body and having an air chamber communicated with the air supply line to inject air into the pipeline,
And a plurality of injection holes are formed in the lower surface of the air injection module. 3. The method of claim 2,
The bubble generator further comprises a vortex generating module for generating a vortex against the flushing oil flowing through the body by rotating the propeller vane,
Wherein the vortex generation module is installed at least one of a front end and a rear end of the air injection module. The method according to claim 1,
The pulsation generator includes:
A body portion having an inlet through which the flushing oil flows and an outlet through which the flushing oil flows;
And a pulsation generating module provided in the body and having a cylinder provided with a nozzle having a flow path reduced in diameter in front of the chamber at the front end thereof and a piston moving back and forth in the cylinder. 5. The method of claim 4,
Wherein an opening / closing hole is formed in a side surface of the cylinder so as to be opened and closed in accordance with forward and backward movement of the piston. The method according to claim 1,
Wherein the bubble generator is disposed adjacent to an outlet side of the flushing unit or at a rear end of a branch point at which the pipeline branches,
Wherein the pulsation generator is disposed at a front end of the bubble generator at a rear end of a branch point at which the pipeline branches.
KR1020150117609A 2015-08-21 2015-08-21 Oil flushing system including pulsation producer and bubble generator KR20170022517A (en)

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KR1020150117609A KR20170022517A (en) 2015-08-21 2015-08-21 Oil flushing system including pulsation producer and bubble generator

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KR1020150117609A KR20170022517A (en) 2015-08-21 2015-08-21 Oil flushing system including pulsation producer and bubble generator

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102193344B1 (en) * 2019-11-11 2020-12-21 현대건설(주) Lube oil flushing performance enhancing device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110091914A (en) 2010-02-08 2011-08-17 에스티엑스조선해양 주식회사 Oil flushing remote monitoring system and method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110091914A (en) 2010-02-08 2011-08-17 에스티엑스조선해양 주식회사 Oil flushing remote monitoring system and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102193344B1 (en) * 2019-11-11 2020-12-21 현대건설(주) Lube oil flushing performance enhancing device

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