CN106812687B - A kind of exhaust system for oil carrier ballast pump - Google Patents
A kind of exhaust system for oil carrier ballast pump Download PDFInfo
- Publication number
- CN106812687B CN106812687B CN201611223552.4A CN201611223552A CN106812687B CN 106812687 B CN106812687 B CN 106812687B CN 201611223552 A CN201611223552 A CN 201611223552A CN 106812687 B CN106812687 B CN 106812687B
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- Prior art keywords
- solenoid valve
- valve
- liquid level
- ballast pump
- exhaust system
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- Legal status (The legal status 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 status listed.)
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Classifications
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- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/002—Hydraulic systems to change the pump delivery
-
- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention discloses a kind of exhaust systems for oil carrier ballast pump, belong to field of ship equipment.The exhaust system includes air path part and circuit part,Air path part includes low-pressure gas source,High-pressure air source,Solenoid valve,Pneumatic valve,Vacuum ejector,Circuit part includes control module and liquid level detector,The control terminal of solenoid valve is electrically connected with control module,Liquid level detector is electrically connected with control module,Liquid level detector is used to detect the liquid level in the shell of ballast pump,When liquid level in ballast pump is less than setting height,Control module can control solenoid valve conduction,When the liquid level in ballast pump rises to setting height,Control module controls solenoid valve and disconnects,Realize the automatic exhaust to ballast pump,Due to using solenoid valve control low-pressure gas source,Low-pressure gas source controls high-pressure air source again,Therefore solenoid valve can be arranged in the lower safety zone of gas concentration,Avoid in electromagnetism valve events the possibility for the oil gas that ignites there may be electric spark,So that exhaust system is safer.
Description
Technical field
The present invention relates to field of ship equipment, more particularly to a kind of exhaust system for oil carrier ballast pump.
Background technology
Ballast pump on ship for water filling or ballast tank being discharged in water into ballast tank so that Hull sinkage or on
It is floating.
When by ballast pump water filling into ballast tank, ballast pump can not only suck water, can also suck the gas of certain volume
Body, and air accumulation can cause ballast pump serious cavitation erosion occur in ballast pump, to influence the normal work of ballast pump, because
This needs in time to exclude the gas assembled in the shell of ballast pump.
Existing exhaust system is mainly controlled by electric control element, but in oil carrier, is had due to gathering in cabin
A large amount of inflammable and explosive oil gas, it is therefore desirable to make use electric control element as few as possible in exhaust system, it is quick-fried to avoid occurring
It is fried to wait dangerous situations.
Invention content
In order to solve in the exhaust system of oil carrier ballast pump using electric control element it is possible that the dangerous situations such as explosion
The problem of, an embodiment of the present invention provides a kind of exhaust systems for oil carrier ballast pump.The technical solution is as follows：
An embodiment of the present invention provides a kind of exhaust system for oil carrier ballast pump, the exhaust system includes gas circuit portion
Point and circuit part, the air path part include low-pressure gas source, high-pressure air source, solenoid valve, Pneumatic valve, vacuum ejector, it is described
Low-pressure gas source is connected to the first gas port of the solenoid valve, and the second gas port of the solenoid valve connects with the control mouth of the Pneumatic valve
Logical, the air inlet of the Pneumatic valve is connected to the high-pressure air source, the exhaust outlet of the Pneumatic valve and the vacuum ejector
Air inlet is connected to, and is connected in the bleeding point of the vacuum ejector and the shell of ballast pump, the exhaust outlet of the vacuum ejector
With atmosphere,
The circuit part includes control module and liquid level detector, the control terminal of the solenoid valve and the control module
Electrical connection, the liquid level detector are used to detect the liquid level in the shell of the ballast pump, the liquid level detector and the control
Molding block is electrically connected, and when the control module is less than setting height for the liquid level in the shell of the ballast pump, controls institute
The first gas port and the conducting of the second gas port for stating solenoid valve, when the liquid level in the shell of the ballast pump rises to setting height,
The first gas port and the second gas port for controlling the solenoid valve disconnect.
Preferably, the bleeding point of the vacuum ejector is connected to in the shell of the ballast pump by check valve, and institute
It states and is connected in the air inlet and the shell of the ballast pump of check valve, the gas outlet of the check valve and the vacuum ejector
Bleeding point is connected to.
Preferably, the liquid level detector is electrically connected with the control module by guard grating.
Further, the air path part further includes relief valve, the elder generation of the air inlet of the relief valve and the relief valve
It leads mouth to be connected to the first gas port of the solenoid valve, the exhaust outlet and atmosphere of the relief valve.
Preferably, the circuit part further includes terminal box, and the liquid level detector passes through the terminal box and the control
Molding block is electrically connected.
Preferably, it is communicated with filter between the low-pressure gas source and the solenoid valve.
Optionally, the solenoid valve is two-position two-way solenoid valve.
Preferably, the solenoid valve is two-position three way magnetic valve, and the third gas port and atmosphere of the solenoid valve work as institute
When stating the first gas port and the disconnection of the second gas port of solenoid valve, the second gas port of the solenoid valve is connected to third gas port.
Further, it is additionally provided with air gauge between the low-pressure gas source and the solenoid valve.
Optionally, the air pressure of the low-pressure gas source is 6~8Bar.
The embodiment of the present invention includes air path part and circuit part by exhaust system, air path part include low-pressure gas source,
High-pressure air source, solenoid valve, Pneumatic valve, vacuum ejector, since low-pressure gas source is connected to the first gas port of solenoid valve, solenoid valve
Second gas port is connected to the control mouth of Pneumatic valve so that can control gas control using low-pressure gas source by controlling solenoid valve conduction
Valve is connected to by the air inlet of Pneumatic valve with high-pressure air source, and the exhaust outlet of Pneumatic valve is connected to the air inlet of vacuum ejector, is made
Can control high-pressure air source by Pneumatic valve and inject high pressure gas to vacuum ejector, so as to so that gas quilt in ballast pump
It sucks in the bleeding point of high-pressure injector, the gas in ballast pump is discharged, by the way that solenoid valve to be connect with control module, by liquid
Bit detector is connect with control module, and liquid level detector is used to detect the liquid level in the shell of ballast pump so that in ballast pump
When assembling gas, the liquid level in ballast pump drops below setting height, and control module can control solenoid valve conduction at this time, and
After gas is discharged in ballast pump, when liquid level rises to setting height, control module can control solenoid valve disconnection, to realize
Automatic exhaust to ballast pump, due to using solenoid valve control low-pressure gas source, low-pressure gas source to control high-pressure air source again and sprayed to vacuum
Emitter injects gas, therefore solenoid valve can be arranged in the lower safety zone of gas concentration, avoids in electromagnetism valve actuation
It ignites there may be electric spark when making the possibility of oil gas so that exhaust system is safer.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of exhaust system for oil carrier ballast pump provided in an embodiment of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is a kind of structural schematic diagram of exhaust system for oil carrier ballast pump provided in an embodiment of the present invention, the row
Gas system includes air path part and circuit part, and the dotted line that air path part is connected in figure indicates gas circuit, connects the reality of circuit part
Line indication circuit.
Wherein, air path part includes low-pressure gas source 10, high-pressure air source 20, solenoid valve 11, Pneumatic valve 12, vacuum ejector
13, low-pressure gas source 10 is connected to the first gas port 11a of solenoid valve 11, the control of the second gas port 11b and Pneumatic valve 12 of solenoid valve 11
Donsole is connected to, and the air inlet of Pneumatic valve 12 is connected to high-pressure air source 20, the exhaust outlet of Pneumatic valve 12 and vacuum ejector 13 into
Gas port is connected to, and be connected in the bleeding point of vacuum ejector 13 and the shell of ballast pump 40, the exhaust outlet of vacuum ejector 13 and greatly
Gas is connected to.
Circuit part includes control module 30 and liquid level detector, and control terminal and the control module 30 of solenoid valve 11 are electrically connected
It connects, liquid level detector is used to detect the liquid level in the shell of ballast pump, and liquid level detector is electrically connected with control module 30, controls mould
When block 30 is less than setting height for the liquid level in the shell of ballast pump, the first gas port 11a and second of solenoid valve 11 is controlled
Gas port 11b conductings, when the liquid level in the shell of ballast pump rises to setting height, control the first gas port 11a of solenoid valve 11
It is disconnected with the second gas port 11b.
The embodiment of the present invention includes air path part and circuit part by exhaust system, air path part include low-pressure gas source,
High-pressure air source, solenoid valve, Pneumatic valve, vacuum ejector, since low-pressure gas source is connected to the first gas port of solenoid valve, solenoid valve
Second gas port is connected to the control mouth of Pneumatic valve so that can control gas control using low-pressure gas source by controlling solenoid valve conduction
Valve is connected to by the air inlet of Pneumatic valve with high-pressure air source, and the exhaust outlet of Pneumatic valve is connected to the air inlet of vacuum ejector, is made
Can control high-pressure air source by Pneumatic valve and inject high pressure gas to vacuum ejector, so as to so that gas quilt in ballast pump
It sucks in the bleeding point of high-pressure injector, the gas in ballast pump is discharged, by the way that solenoid valve to be connect with control module, by liquid
Bit detector is connect with control module, and liquid level detector is used to detect the liquid level in the shell of ballast pump so that in ballast pump
When assembling gas, the liquid level in ballast pump drops below setting height, and control module can control solenoid valve conduction at this time, and
After gas is discharged in ballast pump, when liquid level rises to setting height, control module can control solenoid valve disconnection, to realize
Automatic exhaust to ballast pump, due to using solenoid valve control low-pressure gas source, low-pressure gas source to control high-pressure air source again and sprayed to vacuum
Emitter injects gas, therefore solenoid valve can be arranged in the lower safety zone of gas concentration, avoids in electromagnetism valve actuation
It ignites there may be electric spark when making the possibility of oil gas so that exhaust system is safer.
Specifically, liquid level detector can be float switch 31, and float switch is normally off, and in the shell of ballast pump
Interior liquid level disconnects when dropping below setting height, and float switch 31 can be arranged on the shell of ballast pump 40, and floating ball is opened
The floating ball for closing 31 can float as the liquid level in the shell of ballast pump 40 changes, and in the vertical direction, ballast pump 40
The position being connected to the bleeding point of vacuum ejector 13 on shell is not less than the extreme higher position of floating ball.
Wherein, setting height can be set according to the minimum liquid level in the ballast pump used shell allowed.
Specifically, float switch 31 may be used bolt or flange and be connect with the shell of ballast pump 40.
In addition, solenoid valve 11 is arranged on oil carrier in the lower safety zone of gas concentration, such as collection control cabin, Pneumatic valve
12, the higher danger zone of gas concentration on oil carrier can be then arranged in high-pressure air source 20, and vacuum ejector 13 can be arranged
In ballast tank 41.
By the way that solenoid valve to be connect with control module, float switch is connect with control module, float switch setting is being pressed
It carries on pump so that in ballast pump cohesion collection gas, the liquid level in ballast pump declines, and floating ball declines with the liquid level in ballast pump
And disconnect float switch, control module can control solenoid valve conduction at this time, and after gas is discharged in ballast pump, on floating ball
It rises, float switch conducting, control module can control solenoid valve disconnection, to realize the automatic exhaust to ballast pump.
Preferably, when float switch 31 is connected, the shell of the location of floating ball and ballast pump 40 is in the vertical direction
Highest point is located in same level, as long as thereby may be ensured that in the shell of ballast pump 40 there is gas generation, exhaust system
Gas can be excluded to the shell of ballast pump 40.
Preferably, the bleeding point of vacuum ejector 13 can be connected to in the shell of ballast pump 40 by check valve 14, and
It is connected in the air inlet of check valve 14 and the shell of ballast pump 40, the bleeding point of the gas outlet and vacuum ejector 13 of check valve 14
Connection, by be arranged check valve 14 can to avoid when not being exhausted, have gas from the gas outlet of vacuum ejector 13 via
Bleeding point sucks in ballast pump 40.
It should be noted that due in ballast tank 40 connect float switch 31 conducting wire long period of soaking in a liquid,
Waterproof anti-explosion cable should be selected, the insulating layer breakage of conducting wire is avoided the occurrence of and electric spark occurs, while conducting wire and float switch 31
The degree of protection of junction can be IP68.
Optionally, vacuum ejector 13 can be fixed on by flange or bolt in ballast tank 40.
As shown in Figure 1, liquid level detector is electrically connected with control module 30 by guard grating 32, guard grating 32 is limiting liquid
The electric current in circuit between bit detector and guard grating 32, guard grating 32 can will be located at high-concentration oil vapor cabin in circuit part
The current limit of the part of room makes issuable electric spark and heat in the partial circuit that cannot light in safe range
Oil gas.
In addition, circuit part can also include terminal box 33, liquid level detector passes through 30 electricity of terminal box 33 and control module
Connection can facilitate being electrically connected between liquid level detector and control module 30 by the way that terminal box 33 is arranged, longer convenient for arranging
Conducting wire.
Optionally, terminal box 33 can be arranged above deck, and the explosive-proof grade of terminal box 33 can be II CT4 of Ex, protection
Grade can be IP56.
Further, terminal box 33 can be arranged in the sealing container for filling nitrogen, to avoid at terminal box 33
Form electric spark and the oil gas that ignites.
Preferably, air path part can also include relief valve 15, the pilot port of the air inlet and relief valve 15 of relief valve 15
It is connected to the first gas port 11a of solenoid valve 11, the exhaust outlet and atmosphere of relief valve 15, it can be with by the way that relief valve 15 is arranged
It avoids damaging solenoid valve 11 and Pneumatic valve 12, the gas between low-pressure gas source 10 and Pneumatic valve 12 when 10 hypertonia of low-pressure gas source
When air pressure is excessively high in road, relief valve 15 can be connected, and to which the portion gas in gas circuit to be released in air, reduce in gas circuit
Air pressure.
Further, air gauge 17 is also provided between low-pressure gas source 10 and solenoid valve 11, it can by air gauge 17
Accurately to know the air pressure of low-pressure gas source 10, convenient for low-pressure gas source 10 is adjusted according to the pressure value of air gauge 17.
Optionally, the air pressure of low-pressure gas source 10 can be 6~8Bar, be likely to result in if the air pressure of low-pressure gas source 10 is excessively high
The damage of solenoid valve 11 and Pneumatic valve 12, if the air pressure of low-pressure gas source 10 is too low may to be unable to control the conducting of Pneumatic valve 12.
In addition, air gauge can also be arranged before high-pressure air source 20 and Pneumatic valve 12, to know the gas of high-pressure air source 20
Pressure.
Further, filter 16 can be communicated between low-pressure gas source 10 and solenoid valve 11, to be filtered to gas,
Gas circuit is avoided to block.
Optionally, solenoid valve 11 can be two-position two-way solenoid valve, and two-position two-way solenoid valve is simple in structure, at low cost, can
To reduce the design cost of exhaust system.
Preferably, as shown in Figure 1, solenoid valve 11 is two-position three way magnetic valve, the third gas port 11c and air of solenoid valve 11
Connection, when the first gas port 11a of solenoid valve 11 and the second gas port 11b is disconnected, the second gas port 11b and third gas of solenoid valve 11
Mouth 11c connections so that exhaust is completed, after the first gas port 11a of solenoid valve 11 and the second gas port 11b are disconnected, the second gas port 11b
It is connected to third gas port 11c, to discharge the gas in the gas circuit between solenoid valve 11 and Pneumatic valve 12 from third gas port 11c
Into air, makes the air pressure drop in gas circuit as low as atmospheric pressure, gas circuit is avoided to be chronically under elevated pressures state and leak
Situations such as, lead to the lost of life.
Optionally, the degree of protection of two-position three way magnetic valve can be IP44.
Preferably, air path part is connected using hard pipeline, and larger pendulum occurs in pipeline when being abruptly entered to avoid gas
It is dynamic.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of exhaust system for oil carrier ballast pump, which is characterized in that the exhaust system includes air path part and circuit
Part, the air path part include low-pressure gas source (10), high-pressure air source (20), solenoid valve (11), Pneumatic valve (12), airless injection
Device (13), the low-pressure gas source (10) are connected to the first gas port (11a) of the solenoid valve (11), and the of the solenoid valve (11)
Two gas ports (11b) are connected to the control mouth of the Pneumatic valve (12), air inlet and the high-pressure air source of the Pneumatic valve (12)
(20) it is connected to, the exhaust outlet of the Pneumatic valve (12) is connected to the air inlet of the vacuum ejector (13), the airless injection
It is connected in the bleeding point of device (13) and the shell of ballast pump, the exhaust outlet and atmosphere of the vacuum ejector (13),
The circuit part includes control module (30) and liquid level detector, control terminal and the control of the solenoid valve (11)
Module (30) is electrically connected, and the liquid level detector is used to detect the liquid level in the shell of the ballast pump, the liquid level detector
It is electrically connected with the control module (30), the control module (30) is less than for the liquid level in the shell of the ballast pump to be set
When determining height, the first gas port (11a) and the second gas port (11b) conducting of the solenoid valve (11) are controlled, in the ballast pump
When liquid level in shell rises to setting height, the first gas port (11a) and the second gas port (11b) of the solenoid valve (11) are controlled
It disconnects.
2. exhaust system according to claim 1, which is characterized in that the bleeding point of the vacuum ejector (13) with it is described
It is connected to by check valve (14) in the shell of ballast pump, and in the shell of the air inlet of the check valve (14) and the ballast pump
Connection, the gas outlet of the check valve (14) is connected to the bleeding point of the vacuum ejector (13).
3. exhaust system according to claim 1, which is characterized in that the liquid level detector and the control module (30)
It is electrically connected by guard grating (32).
4. according to claims 1 to 3 any one of them exhaust system, which is characterized in that the air path part further includes pressure release
Valve (15), the air inlet of the relief valve (15) and the pilot port of the relief valve (15) with the solenoid valve (11) first
Gas port (11a) is connected to, the exhaust outlet and atmosphere of the relief valve (15).
5. according to claims 1 to 3 any one of them exhaust system, which is characterized in that the circuit part further includes wiring
Box (33), the liquid level detector are electrically connected by the terminal box (33) with the control module (30).
6. according to claims 1 to 3 any one of them exhaust system, which is characterized in that the low-pressure gas source (10) with it is described
Filter (16) is communicated between solenoid valve (11).
7. according to claims 1 to 3 any one of them exhaust system, which is characterized in that the solenoid valve (11) is two two
Three-way electromagnetic valve.
8. according to claims 1 to 3 any one of them exhaust system, which is characterized in that the solenoid valve (11) is two three
Three-way electromagnetic valve, the third gas port (11c) and atmosphere of the solenoid valve (11), when the first gas port of the solenoid valve (11)
When (11a) and the second gas port (11b) disconnect, the second gas port (11b) of the solenoid valve (11) is connected to third gas port (11c).
9. according to claims 1 to 3 any one of them exhaust system, which is characterized in that the low-pressure gas source (10) with it is described
Air gauge (17) is additionally provided between solenoid valve (11).
10. according to claims 1 to 3 any one of them exhaust system, which is characterized in that the air pressure of the low-pressure gas source (10)
For 6~8Bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611223552.4A CN106812687B (en) | 2016-12-27 | 2016-12-27 | A kind of exhaust system for oil carrier ballast pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611223552.4A CN106812687B (en) | 2016-12-27 | 2016-12-27 | A kind of exhaust system for oil carrier ballast pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106812687A CN106812687A (en) | 2017-06-09 |
| CN106812687B true CN106812687B (en) | 2018-09-18 |
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ID=59110157
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611223552.4A Active CN106812687B (en) | 2016-12-27 | 2016-12-27 | A kind of exhaust system for oil carrier ballast pump |
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| CN (1) | CN106812687B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087591A (en) * | 2017-12-11 | 2018-05-29 | 郑州莉迪亚医药科技有限公司 | A kind of electromagnetic brake type liquid mixing valve |
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| CN102644604A (en) * | 2012-04-16 | 2012-08-22 | 武汉船用机械有限责任公司 | Automatic priming device for centrifugal pump |
| CN203834571U (en) * | 2014-05-16 | 2014-09-17 | 江苏汉盛海洋装备技术有限公司 | Automatic exhaust device for ship water supply system |
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| CN205744605U (en) * | 2016-05-17 | 2016-11-30 | 福州远见通达供水设备有限公司 | A kind of air exhausting device of centrifugal pump of band Level Detection |
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|---|---|---|---|---|
| KR200443765Y1 (en) * | 2008-08-12 | 2009-03-11 | 하상순 | System for air compressor pump |
| US8672639B2 (en) * | 2011-01-05 | 2014-03-18 | William L. Wallace | Bilge pump and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644604A (en) * | 2012-04-16 | 2012-08-22 | 武汉船用机械有限责任公司 | Automatic priming device for centrifugal pump |
| CN203834571U (en) * | 2014-05-16 | 2014-09-17 | 江苏汉盛海洋装备技术有限公司 | Automatic exhaust device for ship water supply system |
| CN104816800A (en) * | 2015-04-15 | 2015-08-05 | 江苏韩通船舶重工有限公司 | Semi-submersible platform machinery space air supply exhaust system |
| CN205516653U (en) * | 2016-04-06 | 2016-08-31 | 招商局重工(深圳)有限公司 | Steam and water separator |
| CN205744605U (en) * | 2016-05-17 | 2016-11-30 | 福州远见通达供水设备有限公司 | A kind of air exhausting device of centrifugal pump of band Level Detection |
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| CN106812687A (en) | 2017-06-09 |
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