WO2018113276A1 - 船舶用空气压缩机 - Google Patents

船舶用空气压缩机 Download PDF

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Publication number
WO2018113276A1
WO2018113276A1 PCT/CN2017/092941 CN2017092941W WO2018113276A1 WO 2018113276 A1 WO2018113276 A1 WO 2018113276A1 CN 2017092941 W CN2017092941 W CN 2017092941W WO 2018113276 A1 WO2018113276 A1 WO 2018113276A1
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oil
air
filter
cooling
separator
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PCT/CN2017/092941
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English (en)
French (fr)
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何建人
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无锡五洋赛德压缩机有限公司
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Publication of WO2018113276A1 publication Critical patent/WO2018113276A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation

Definitions

  • the present invention relates to an air compressor, and in particular to an air compressor for a ship.
  • the air compressor for ships is mainly a screw air compressor.
  • the existing air compressor for ships has a general effect on the removal of oil and moisture, causing oil and moisture to corrode the machine and reducing the service life.
  • the object of the present invention is to provide a marine air compressor for the problem of oil and water separation in an air compressor, which reduces oil and moisture corrosion to the machine and prolongs the service life.
  • the present invention provides a marine air compressor comprising: a screw compressor driven by a motor, the screw compressor including an air compression chamber and a lubricating oil passage; and an oil and gas separator having a gas inlet end Connected to the outlet end of the air compression chamber, the gas outlet end of the oil separator is provided with a pressure valve, and the oil outlet end of the oil separator is connected to the lubricating oil passage through the oil return line, and the filter is connected to the oil return line, and the oil outlet is a temperature control valve is arranged at the connection between the end and the return line, the temperature control valve is used to control the high temperature oil to enter the oil cooler and then connected to the oil return line; and the cooling filter mechanism is connected to the pressure valve through the air line
  • the compressed air separated by the oil separator enters the cooling filter mechanism under the control of the pressure valve, and the cooling filter mechanism comprises an air cooler, a water gas separator, a C-class precision filter, a refrigerating heat exchanger and a T
  • the chilling heat exchanger includes a refrigerant compressor, a refrigerant filter, a refrigerant cooler, and a fan disposed on one side of the refrigerant cooler.
  • the gas outlet side of the oil and gas separator is provided with an adsorption separation filter element, and the oil in the compressed air passes through the adsorption separation filter element and is returned to the head of the screw compressor through the oil return pipe.
  • the inlet end of the air compression chamber is provided with an intake muffler.
  • FIG. 1 is a schematic view of a marine air compressor according to an embodiment of the present invention.
  • a marine air compressor of the present embodiment includes a screw compressor 2, an oil separator 4, and a cooling filter mechanism (not shown), wherein the cooling filter mechanism includes an air cooler 17, The water gas separator 7, the C-stage precision filter 8, the chilling heat exchanger 9, and the T-stage precision filter 14.
  • the screw compressor 2 is driven by the motor 1, and the motor 1 can selectively drive the screw compressor 2 through the coupling to start the motor 1.
  • the motor 1 drives the screw compressor 2 to rotate, and the compressed air enters the oil separator. 4.
  • the screw compressor 2 includes an air compression chamber and a lubricating oil passage, and a gas inlet end of the oil separator 4 is connected to an outlet end of the air compression chamber of the screw compressor 2, and a gas valve end of the oil separator 4 is provided with a pressure valve 16 When the air in the oil separator 4 reaches a certain pressure, the pressure valve 16 at the gas outlet end of the oil separator 4 is opened.
  • the oil outlet end of the oil separator 4 is connected to the lubricating oil passage of the screw compressor 2 through the oil return line, and the filter 15 is connected to the oil return line, and the connection between the oil outlet end of the oil separator 4 and the return line is A temperature control valve 5 is provided, and the temperature control valve 5 is used to control the high temperature oil to enter the oil cooling After the device 6 is cooled, it is connected to the oil return line, that is to say, after the compressed air, the temperature of the oil mixed in the air rises, and when the oil temperature is within a certain range, it directly flows back through the oil return line to The lubricating oil circuit of the screw compressor 2 is lubricated.
  • the cooling filter mechanism includes an air cooler 17 connected in sequence, a water gas separator 7, a C-class precision filter 8, and a refrigerating heat exchanger.
  • the 9-stage and T-stage precision filters 14 are sequentially discharged through the air cooler 17, the water gas separator 7, the C-stage precision filter 8, the chilling heat exchanger 9, and the T-stage precision filter 14.
  • the pressure valve 16 at the gas outlet end of the oil separator 4 is opened, and the air flows through the air line to the water gas separator 7, and the air on the air line is cooled.
  • the air is pre-cooled by the air, and the air enters the water separator 7 to separate the air and moisture, and the water is discharged.
  • the air enters the C-stage precision filter 8 for filtration, and the air enters the refrigeration heat exchanger 9 again.
  • the heat exchanger 9 performs heat exchange and cooling with the refrigerant.
  • the air flows out of the refrigeration heat exchanger 9 and enters the T-stage precision filter 14 for filtration and discharge.
  • the chilling heat exchanger 9 includes a refrigerant compressor 10, a refrigerant filter 11, a refrigerant cooler 12, and a fan 13 provided on the side of the refrigerant cooler 12.
  • the refrigerant in the chiller heat exchanger 9 is transferred to the refrigerant cooler 12 through the chill line, and the fan 13 is turned on for cooling.
  • the cooled refrigerant is filtered by the refrigerant filter 11 and then compressed into the refrigerant compressor 10. It is then refluxed into the chiller heat exchanger 9.
  • the gas outlet side of the oil separator 4 is provided with an adsorption separation filter element, and the oil in the compressed air passes through the adsorption separation filter element and is returned to the screw compressor 2 through the oil return pipe. head.
  • the inlet end of the air compression chamber of the screw compressor 2 is provided with an intake muffler 3, in this embodiment, the air enters the screw compressor 2 through the intake muffler 3 to compress and compress After that, it flows to the oil separator 4 through the air line.
  • the marine air compressor of the present embodiment separates the oil in the intake air through the oil separator 4 and recycles it, and separates the moisture in the intake air through the cooling filter mechanism, while cooling the intake air, which is suitable for use on a ship. It reduces the corrosion of oil and moisture on the machine and prolongs the service life.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

一种船舶用空气压缩机，包括：螺杆式压缩机（2），其由电机（1）驱动，螺杆式压缩机（2）包括空气压缩腔和润滑油路；油气分离器（4），其与空气压缩腔的出口端连接，油气分离器（4）设置有压力阀（16），油气分离器（4）的机油出口端通过回油管路与润滑油路接通，回油管路中接入过滤器（15），机油出口端与回油管路的连接处设置有温控阀（5），温控阀（5）用来控制高温机油进入机油冷却器（6）冷却后再与回油管路接通；以及冷却过滤机构，其通过空气管路与压力阀（16）接通，经过油气分离器（4）分离后的压缩空气在压力阀（16）的控制下进入冷却过滤机构，冷却过滤机构包括依次连接的空气冷却器（17）、水气分离器（7）、C级精密过滤器（8）、冷冻换热器（9）和T级精密过滤器（14），压缩空气经过冷却过滤机构后排出，通过上述设置，减少了油、水分对机器的腐蚀，延长了使用寿命。

Description

船舶用空气压缩机 技术领域
本发明涉及空气压缩机，具体地，涉及一种船舶用空气压缩机。
背景技术
目前，船舶用空气压缩机主要是螺杆空气压缩机，现有的船舶用空气压缩机对于油和水分的去除效果一般，造成油和水分对于机器的腐蚀，减少了使用寿命。
发明内容
本发明的目的是针对空气压缩机中油和水分离的问题，提供一种船舶用空气压缩机，减少油、水分对机器的腐蚀，延长使用寿命。
为了实现上述目的，本发明提供了一种船舶用空气压缩机，包括：螺杆式压缩机，其由电机驱动，螺杆式压缩机包括空气压缩腔和润滑油路；油气分离器，其气体入口端与空气压缩腔的出口端连接，油气分离器的气体出口端设置有压力阀，油气分离器的机油出口端通过回油管路与润滑油路接通，回油管路中接入过滤器，机油出口端与回油管路的连接处设置有温控阀，温控阀用来控制高温机油进入机油冷却器冷却后再与回油管路接通；以及冷却过滤机构，其通过空气管路与压力阀接通，经过油气分离器分离后的压缩空气在压力阀的控制下进入冷却过滤机构，冷却过滤机构包括依次连接的空气冷却器、水气分离器、C级精密过滤器、冷冻换热器和T级精密过滤器，压缩空气依次经过空气冷却器、水气分离器、C级精密过滤器、冷冻换热器和T级精密过滤器后排出。
优选地，冷冻换热器包括冷媒压缩机、冷媒过滤器、冷媒冷却器和设置在冷媒冷却器一侧的风机。
优选地，油气分离器的气体出口侧设有吸附式分离滤芯，压缩空气中的机油经过吸附式分离滤芯后通过回油管回流至螺杆式压缩机的机头。
优选地，空气压缩腔的进口端设有进气消声器。
下面通过附图和实施例，对本发明的技术方案做进一步的详细描述。
附图说明
附图用来提供对本发明的进一步理解，并且构成说明书的一部分，与本发明的实施例一起用于解释本发明，并不构成对本发明的限制。在附图中：
图1为本发明实施例的船舶用空气压缩机的示意图。
具体实施方式
以下结合附图对本发明的优选实施例进行说明，应当理解，此处所描述的优选实施例仅用于说明和解释本发明，并不用于限定本发明。
如图1所示，本实施例的一种船舶用空气压缩机，包括螺杆式压缩机2、油气分离器4以及冷却过滤机构(图中未标记)，其中冷却过滤机构包括空气冷却器17、水气分离器7、C级精密过滤器8、冷冻换热器9和T级精密过滤器14。具体地，螺杆式压缩机2由电机1驱动，电机1可以选择通过联轴器带动螺杆式压缩机2，启动电机1，电机1带动螺杆式压缩机2转动，压缩后的空气进入油气分离器4。螺杆式压缩机2包括空气压缩腔和润滑油路，油气分离器4的气体入口端与螺杆式压缩机2的空气压缩腔的出口端连接，油气分离器4的气体出口端设置有压力阀16，当油气分离器4内的空气达到一定压力时，油气分离器4的气体出口端的压力阀16开启。油气分离器4的机油出口端通过回油管路与螺杆式压缩机2的润滑油路接通，回油管路中接入过滤器15，油气分离器4的机油出口端与回油管路的连接处设置有温控阀5，温控阀5用来控制高温机油进入机油冷 却器6冷却后再与回油管路接通，也即是说，经过压缩后的空气，混合在空气中的机油温度会升高，在机油温度在一定范围内时通过回油管路直接回流至螺杆式压缩机2的润滑油路进行润滑，当机油温度升高超过温控阀5的阈值时，高温机油需要先进入机油冷却器6冷却，冷却后的机油再经回油管路回流至螺杆式压缩机2的润滑油路进行润滑。对于冷却过滤机构，其用来对油气分离器4出来的空气做进一步的处理，以满足实际使用要求，冷却过滤机构通过空气管路与压力阀16接通，经过油气分离器4分离后的压缩空气在压力阀16的控制下进入冷却过滤机构进行系列处理，本实施例中，冷却过滤机构包括依次连接的空气冷却器17、水气分离器7、C级精密过滤器8、冷冻换热器9和T级精密过滤器14，压缩空气依次经过气冷却器17、水气分离器7、C级精密过滤器8、冷冻换热器9和T级精密过滤器14后排出。在本实施例中，当油气分离器4内的空气达到一定压力时，油气分离器4的气体出口端的压力阀16开启，空气通过空气管路流向水气分离器7，空气管路上的空气冷却器17对空气进行预冷却，空气进入水气分离器7分离空气和水分，并将水分排出，然后，空气进入C级精密过滤器8进行过滤，空气再进入冷冻换热器9，在冷冻换热器9内与冷媒进行换热冷却，最后，空气流出冷冻换热器9后进入T级精密过滤器14过滤后排出。
作为一种优选实施例，在上述方案中，冷冻换热器9包括冷媒压缩机10、冷媒过滤器11、冷媒冷却器12和设置在冷媒冷却器12一侧的风机13。本实施例中，冷冻换热器9内的冷媒换热后经冷冻管路流入冷媒冷却器12，开启风机13进行冷却，冷却后的冷媒经冷媒过滤器11过滤后进入冷媒压缩机10压缩，然后回流至冷冻换热器9内。
作为一种优选实施例，在上述方案中，油气分离器4的气体出口侧设有吸附式分离滤芯，压缩空气中的机油经过吸附式分离滤芯后通过回油管回流至螺杆式压缩机2的机头。
作为一种优选实施例，在上述方案中，螺杆式压缩机2的空气压缩腔的进口端设有进气消声器3，本方案中，空气经进气消声器3进入螺杆式压缩机2压缩，压缩后通过空气管路流向油气分离器4。
综上所述，本实施例的船舶用空气压缩机，通过油气分离器4分离进气中的机油并循环利用，通过冷却过滤机构分离进气中的水分，同时冷却进气，适用于船舶上，减少了油、水分对机器的腐蚀，延长使用寿命。
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (4)

  1. 一种船舶用空气压缩机，其特征在于，包括：
    螺杆式压缩机，其由电机驱动，所述螺杆式压缩机包括空气压缩腔和润滑油路；
    油气分离器，其气体入口端与所述空气压缩腔的出口端连接，所述油气分离器的气体出口端设置有压力阀，所述油气分离器的机油出口端通过回油管路与所述润滑油路接通，所述回油管路中接入过滤器，所述机油出口端与所述回油管路的连接处设置有温控阀，所述温控阀用来控制高温机油进入机油冷却器冷却后再与所述回油管路接通；以及
    冷却过滤机构，其通过空气管路与所述压力阀接通，经过所述油气分离器分离后的压缩空气在所述压力阀的控制下进入所述冷却过滤机构，所述冷却过滤机构包括依次连接的空气冷却器、水气分离器、C级精密过滤器、冷冻换热器和T级精密过滤器，压缩空气依次经过所述空气冷却器、所述水气分离器、所述C级精密过滤器、所述冷冻换热器和所述T级精密过滤器后排出。
  2. 如权利要求1所述的船舶用空气压缩机，其特征在于，所述冷冻换热器包括冷媒压缩机、冷媒过滤器、冷媒冷却器和设置在所述冷媒冷却器一侧的风机。
  3. 如权利要求1所述的船舶用空气压缩机，其特征在于，所述油气分离器的气体出口侧设有吸附式分离滤芯，压缩空气中的机油经过所述吸附式分离滤芯后通过回油管回流至所述螺杆式压缩机的机头。
  4. 如权利要求1所述的船舶用空气压缩机，其特征在于，所述空气压缩腔的进口端设有进气消声器。
PCT/CN2017/092941 2016-12-22 2017-07-14 船舶用空气压缩机 WO2018113276A1 (zh)

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CN109681428A (zh) * 2018-12-13 2019-04-26 中山铭科压缩机有限公司 一种煤矿井下防爆螺杆增压机

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Publication number Priority date Publication date Assignee Title
CN206280253U (zh) * 2016-12-22 2017-06-27 无锡五洋赛德压缩机有限公司 37kw螺杆式压缩机、冷冻机、过滤器系统

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