KR20140137777A - Air Compressor system for ship - Google Patents

Air Compressor system for ship Download PDF

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Publication number
KR20140137777A
KR20140137777A KR1020130058729A KR20130058729A KR20140137777A KR 20140137777 A KR20140137777 A KR 20140137777A KR 1020130058729 A KR1020130058729 A KR 1020130058729A KR 20130058729 A KR20130058729 A KR 20130058729A KR 20140137777 A KR20140137777 A KR 20140137777A
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KR
South Korea
Prior art keywords
oil
air
air compressor
supplied
compressor
Prior art date
Application number
KR1020130058729A
Other languages
Korean (ko)
Inventor
신경훈
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 KR1020130058729A priority Critical patent/KR20140137777A/en
Publication of KR20140137777A publication Critical patent/KR20140137777A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
    • B63J2/12—Heating; Cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J3/00—Driving of auxiliaries
    • B63J3/04—Driving of auxiliaries from power plant other than propulsion power plant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/02—Lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/16—Filtration; Moisture separation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Compressor (AREA)

Abstract

Disclosed is an air compressor system for a ship. According to an embodiment of the present invention, the air compressor system comprises an air compressor, which is operated by being connected to a motor and is supplied with a small amount of oil; an air supply unit, which supplies fresh air to the air compressor; an oil unit, which supplies oil to the air compressor and has a heat exchanger for cooling the oil passing through the air compressor; an oil separator, which separates mist or oil included in the compressed air generated during the operation of the air compressor; a condenser, which removes moisture included in the compressed air passing through the oil compressor; and a discharge unit, which is extended to the outside of a ship from the condenser in order to prevent the generated oil mist from flowing back to the air supply unit when the air compressor stops operation while being operated.

Description

[0001] Air Compressor system for ship [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an air compression system for providing compressed air to various equipment installed on a ship and using air as an operating source. More particularly, the present invention relates to an air compression system for compressing air by using a small amount of oil mist mist of the ship is prevented from flowing back into the ship.

Generally, the ship moves the driving force of the engine and rotates the propeller to obtain the propulsive force, and the electric power is obtained by driving the generator or the like. On the other hand, since some of the equipment or instruments except the engine of the ship use high-pressure compressed air as an operation source, high-pressure compressed air should be stably supplied to the equipment or the instrument.

In the conventional air compression system, a large amount of outside air is sucked while the air compressor is operated, and then the compressed air is compressed to a predetermined pressure and supplied to the equipment. A small amount of oil mist and steam oil mist remain in the compressed air. Since the oil mist is supplied in a predetermined amount for lubrication and cooling of the air compressor, the oil mist is always generated when the power is not cut off. The oil mist in the steam state is mixed with the outside air flowing through the air intake when the air compressor is stopped The problem that the crew or the worker residing in the hull is inhaled through the respiratory tract has been caused.

Korean Patent Publication No. 10-2012-0028085 (Publication date: March 22, 2012)

Embodiments of the present invention are intended to prevent backflow of the steam-state oil mist into the hull even when stable operation and operation of the air compression system are temporarily stopped.

According to one aspect of the present invention, an air compression system includes an air compressor operatively connected to a motor and supplied with a small amount of oil; An air supply unit for supplying fresh air to the air compressor; An oven portion having a heat exchanger for supplying oil to the air compressor and for cooling the oil passed through the air compressor; An oil separator for separating oil mist or oil contained in the compressed air generated when the air compressor is operated; A condenser for removing moisture contained in the compressed air moved via the oil separator; And a discharge portion extending outwardly of the vessel from the condenser to prevent the generated oil mist from flowing back to the air supply portion when the air compressor is stopped during operation.

The oil separator includes a first connection pipe extending toward the oil portion so that the oil stored therein is transferred to the heat exchanger; A second connection pipe connected between the air compressor and the oil separator and supplied with oil to the oil separator through the air compressor when the air compressor is stopped; And a first check valve installed in the second connection pipe.

The air compression system includes a cooler installed between the oil separator and the condenser and for lowering the temperature of the compressed air through the air compressor.

And the cooler is cooled by the sea water supplied through the third connection pipe through which the seawater is supplied.

The discharge portion includes a pressure regulating valve for stabilizing the pressure inside the discharge portion when the air compressor is stopped.

Embodiments of the present invention prevent the backward flow of steam mist in the hull, so that the harmful gas does not flow into the respirator of the crew and the worker, so that stable navigation is possible on the ship.

1 is a schematic diagram showing a marine air compression system according to an embodiment of the present invention.
2 is a schematic diagram showing an operating state of a marine air compression system according to an embodiment of the present invention;

A configuration of a marine air compression system according to an embodiment of the present invention will be described with reference to the drawings. 1 is a schematic diagram showing a marine air compression system according to an embodiment of the present invention.

1, a marine air compression system 1 includes an air compressor 100 connected to a motor 101 and supplied with a small amount of oil, An oil supply unit 200 for supplying oil to the air compressor 100 and a heat exchanger 310 for supplying oil to the air compressor 100 and cooling the oil passed through the air compressor 100 An oil separator 400 for separating oil mist or oil contained in the compressed air generated when the air compressor 100 is operated; A condenser (500) for removing moisture contained in the air; And a discharge unit 600 extending outwardly of the ship from the condenser 500 to prevent the generated oil mist from flowing back to the air supply unit 200 when the air compressor 100 is stopped during operation .

The air compressing system 1 is used to supply compressed air to a variety of equipment or valves having compressed air as an operating source at a predetermined pressure, and a small amount of oil is supplied to the air compressor 100 through the air compressor 100 It is continuously supplied for lubrication and cooling required when operating.

In the present invention, when the air compressor 100 is shut off due to power interruption or malfunction, the discharge port 600 is installed to discharge the oil mist to the outside of the ship and to prevent the oil mist from flowing back into the room. To discharge the oil mist.

The air compressor 100 is rotated at a high speed by a motor 101 at a high speed to minimize the generation of frictional heat due to the friction of a blade (not shown) installed therein, and a small amount of oil Lt; / RTI >

The air supply unit 200 is installed to stably supply outside air when the air compressor 100 is operated to produce compressed air and includes an air filter 202 and a second check valve 203. The air filter 202 is installed to remove foreign matter and moisture contained in the outside air and the second check valve 203 is provided to prevent the outside air supplied to the air compressor 100 from flowing backward and being discharged to the outside . When the air compressor 100 is rotated at a high speed by the motor 101, a predetermined suction pressure is generated, and a large amount of external air is supplied through the air filter 202.

The oven part 300 includes a heat exchanger 310 for lowering the temperature of the high temperature oil via the air compressor 100, an oil filter 301 provided at the front end of the heat exchanger 310, 301 and a heat exchanger 310, and a fourth connection pipe 303 to which seawater is supplied. The first valve 302 is a 3-way valve and the 3-way valve is operated by a separate controller.

The oil filter 301 is installed to filter various foreign substances contained in the oil. The heat exchanger 310 exchanges heat between the high-temperature oil heated to a high temperature by the air compressor 100 and the sea water, .

The oil separator 400 receives the compressed air discharged from the air compressor 100, filters the oil or oil mist contained in the compressed air, and circulates the filtered oil to the heat exchanger 310. The oil separator 400 is formed in a cylindrical shape having a predetermined diameter, and a large amount of oil is stored in the lower portion of the oil separator 400. The oil separator 400 has a first And an oil separator 400 connected between the air compressor 100 and the oil separator 400 and connected to the oil separator 400 via the air compressor 100 when the air compressor 100 is stopped, And a first check valve 406 installed in the second connection pipe 404.

One end of the first connection pipe 402 is connected to the lower end of the oil separator 400 and the other end of the first connection pipe 402 is connected to the first valve 302 of the oil mist separator 300, Separator 400 and the other end extends toward the air compressor 100 and a first check valve 406 is installed to prevent backflow of the oil. The first check valve 406 prevents oil from flowing back to the oil separator 400 when the air compressor 100 suddenly stops operating.

Accordingly, the oil separator 400 of the present invention partially recovers a large amount of oil contained in the compressed air, and prevents the backflow of the oil when the air compressor 100 is stopped, thereby enabling stable use.

The air compression system according to one embodiment of the present invention includes a cooler 1a installed between the oil separator 400 and the condenser 500 and for lowering the temperature of the air compressed through the air compressor 100. The cooler 1a is cooled by the sea water supplied through the third connection pipe 2 through which the seawater is supplied. The cooler 1a is installed to lower the temperature of the compressed air passing through the oil separator 400. The cooler 1a is connected to the condenser 500 in a state of being lowered by several tens of degrees from the temperature before passing through the cooler 1a, Is moved. One or two or more coolers 1a are installed.

The discharge unit 600 is configured in the form of a pipe having an end portion extending toward the outside of the ship to prevent the oil mist from flowing back to the inner space of the ship when the air compressor 100 is operated, A pressure regulating valve 610 for stabilizing the pressure inside the discharge part 600 is provided.

The pressure regulating valve 610 is an on-off valve which is operated in an ON state when the air compressor 100 is stopped and allows the oil mist to be discharged to the outside of the ship through the discharge portion 600, ), The operation state is switched to the ON state and the high pressure is discharged to the outside of the ship to maintain the stable air compression system.

The pressure control valve 610 is maintained in the off state when the air compressor 100 is operated, and a third check valve 620 is provided to prevent reverse flow of the oil mist and high-pressure compressed air discharged to the outside. The compressed air is supplied to various equipment and valves requiring high-pressure compressed air through the supply pipe 3 via the condenser 500.

The operating state of the air compression system according to one embodiment of the present invention will be described with reference to the drawings.

Referring to FIG. 2, the air compression system 1 is configured to introduce outside air through an air supply unit 200 to provide stable air pressure to various equipment (not shown) using compressed air as an operating source, The air compressor 100 compresses the supplied outside air to a predetermined pressure and supplies the compressed air to the oil separator 400 through a pipe.

The oil separator 400 separates the oil or oil mist contained in the compressed air and is operated to move to the heat exchanger 310 through the first connection pipe 402. In the heat exchanger 310, 301 flows into the heat exchanger 310 and heat exchange occurs with each other, so that relatively high-temperature oil is changed to a low-temperature state.

The high pressure compressed air is transferred to the cooler 1a via the oil separator 400 and low temperature seawater introduced into the cooler 1a through the fourth connection pipe 301 is supplied to the cooler 1a. The temperature of the compressed air supplied to the cooler 1a is lowered to a temperature at which the apparatus can stably use the compressed air. The compressed air is supplied to a plurality of equipment through the supply pipe 3 via the condenser 500. Some of the oil mist and the compressed air are moved through the discharge unit 600, Is maintained in the off-state, so that it is not discharged to the outside and remains only in the inside of the pipe.

For reference, the condenser 500 condenses the moisture contained in the compressed air so that the dry air is supplied.

3, when the motor 101 is normally operated and the power source is abruptly cut off, the air compressing system 1 is stopped and the air compressor 100 operated by the motor 101 is stopped. The supply of the compressed air supplied to the equipment through the outlet port 3 is also stopped and the operation of the pressure control valve 610 is switched on so that the compressed air in the pipe installed in the discharge unit 600 or the oil The mist is stably discharged toward the outside of the ship rather than inside the hull, and is reliably treated without causing a phenomenon of re-entering the respirator of the worker working inside the hull.

The third check valve 620 prevents reverse flow of the oil mist and the high-pressure compressed air discharged to the outside. When the motor 101 is operated normally, the pressure control valve 610 is turned off, The external discharge of the compressed air through the compressor 600 is blocked and normal operation is performed in the state shown in Fig.

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 of the invention as set forth in the appended claims. The present invention can be variously modified and changed by those skilled in the art, and it is also within the scope of the present invention.

100: Air compressor
101: Motor
200:
300: Oh part
310: Heat exchanger
400: Oil separator
402, 404: first and second connection pipes
406: first check valve
500: condenser
600:
610: Pressure regulating valve

Claims (5)

In an air compression system installed in a ship,
The air compression system comprises:
An air compressor operatively connected to the motor and supplied with a small amount of oil;
An air supply unit for supplying fresh air to the air compressor;
An oven portion having a heat exchanger for supplying oil to the air compressor and for cooling the oil passed through the air compressor;
An oil separator for separating oil mist or oil contained in the compressed air generated when the air compressor is operated;
A condenser for removing moisture contained in the compressed air moved via the oil separator; And
And a discharge portion extending outwardly of the ship in the condenser to prevent the generated oil mist from flowing back to the air supply portion when the air compressor is stopped during operation. The method according to claim 1,
The oil separator includes:
A first connection pipe extending toward the oil portion so that the oil stored therein is transferred to the heat exchanger;
A second connection pipe connected between the air compressor and the oil separator and supplied with oil to the oil separator through the air compressor when the air compressor is stopped;
And a first check valve installed in the second connection pipe. The method according to claim 1,
The air compression system comprises:
And a cooler installed between the oil separator and the condenser for reducing the temperature of air compressed through the air compressor. The method of claim 3,
Wherein the cooler is cooled by seawater supplied through a third connection pipe through which seawater is supplied. The method according to claim 1,
The discharge portion
And a pressure regulating valve for stabilizing the pressure inside the discharge portion when the air compressor is stopped.
KR1020130058729A 2013-05-24 2013-05-24 Air Compressor system for ship KR20140137777A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020130058729A KR20140137777A (en) 2013-05-24 2013-05-24 Air Compressor system for ship

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020130058729A KR20140137777A (en) 2013-05-24 2013-05-24 Air Compressor system for ship

Publications (1)

Publication Number Publication Date
KR20140137777A true KR20140137777A (en) 2014-12-03

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KR1020130058729A KR20140137777A (en) 2013-05-24 2013-05-24 Air Compressor system for ship

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106152608A (en) * 2016-07-29 2016-11-23 珠海格力电器股份有限公司 A kind of combination air compression system and the hybrid system of heat pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106152608A (en) * 2016-07-29 2016-11-23 珠海格力电器股份有限公司 A kind of combination air compression system and the hybrid system of heat pump
WO2018018967A1 (en) * 2016-07-29 2018-02-01 珠海格力电器股份有限公司 Combined system combining air compressing system and heat pump system

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