CN102901650B - A kind of proving installation of cargo oil system and method - Google Patents
A kind of proving installation of cargo oil system and method Download PDFInfo
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- CN102901650B CN102901650B CN201210391612.9A CN201210391612A CN102901650B CN 102901650 B CN102901650 B CN 102901650B CN 201210391612 A CN201210391612 A CN 201210391612A CN 102901650 B CN102901650 B CN 102901650B
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Abstract
The invention discloses a kind of proving installation and method of cargo oil system, belong to ship machinery field.Cargo oil system comprises Cargo Oil Pump, knockout drum and vacuum pump group; Cargo Oil Pump comprises pump body and is located at the first transmission shaft, oil-in and the oil-out on pump body respectively; Device comprises valve unit, variable-frequency motor, transmission component, frequency converter, control module, suction hose, drainpipe and pond; Variable-frequency motor comprises motor body and is located at the second driving shaft on motor body; Transmission component connects the first transmission shaft and second driving shaft; Frequency converter is connected with variable-frequency motor; One end of suction hose is communicated with oil-in, and one end of drainpipe is communicated with oil-out; Pond comprises the first sub-pond and the second sub-pond; The other end of suction hose is arranged in the first sub-pond; The other end of drainpipe is arranged in the second sub-pond; Valve unit is located on drainpipe; Knockout drum is located on suction hose; Vacuum pump group is connected with knockout drum.The accuracy of the present invention's test is high.
Description
Technical field
The present invention relates to ship machinery field, particularly a kind of proving installation of cargo oil system and method.
Background technology
The cargo oil system of oil carrier is the system combining the function such as cargo oil and sweeping.Cargo oil system mainly comprises for carrying the Cargo Oil Pump of Cargo Oil and the vacuum sweeping servicing unit for coordinating Cargo Oil Pump to aspirate Residual oil.
Before cargo oil system is installed to oil carrier, in order to check the performance of cargo oil system, land test need be carried out to cargo oil system, and judge that whether cargo oil system is reliable according to test result.Wherein, the test mode of existing cargo oil system is, adopts the operating condition of proving installation simulation cargo oil system to test cargo oil system.This proving installation comprises variable-frequency motor, transmission component, frequency converter, control module, suction hose, drainpipe, electric gate valve and pond.Particularly, transmission component connects Cargo Oil Pump to be measured and variable-frequency motor; Frequency converter is connected with variable-frequency motor; One end of suction hose and drainpipe is separately positioned in pond; The other end of suction hose is communicated with the oil-in of Cargo Oil Pump to be measured; The other end of drainpipe is communicated with the oil-out of Cargo Oil Pump to be measured; Vacuum sweeping servicing unit to be measured and electric gate valve are arranged on suction hose.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
As far as possible actual sweeping operating mode due to cargo oil system needs the Cargo Oil in cargo tank to drain, and in existing test mode, the suction of Cargo Oil Pump to be measured and discharge are all in a pond, therefore the operating mode needed for sweeping test cannot be met, therefore existing proving installation can not analog scanning operating mode, by not comprehensive for the measurement result of the cargo oil system to be measured causing obtaining.
Summary of the invention
In order to solve the problem of prior art, embodiments provide a kind of proving installation and method of cargo oil system.Described technical scheme is as follows:
On the one hand, provide a kind of proving installation of cargo oil system, described cargo oil system comprises Cargo Oil Pump, knockout drum and vacuum pump group; Described Cargo Oil Pump comprises pump body and is located at the first transmission shaft, oil-in and the oil-out on described pump body respectively; Described proving installation comprises valve unit, variable-frequency motor, transmission component, frequency converter, control module, suction hose, drainpipe and pond; Described variable-frequency motor comprises motor body and is located at the second driving shaft on described motor body; Described transmission component connects described first transmission shaft and described second driving shaft, and described frequency converter is connected with described variable-frequency motor; One end of described suction hose is communicated with described oil-in; One end of described drainpipe is communicated with described oil-out,
Described pond comprises the second sub-pond that the first sub-pond and pondage are not less than described first sub-pond; Electric water gate is provided with between described first sub-pond and described second sub-pond; The other end of described suction hose is arranged in described first sub-pond; The other end of described drainpipe is arranged in described second sub-pond; Described valve unit is located on described drainpipe; Described knockout drum is located on described suction hose; Described vacuum pump group is connected with described knockout drum;
When simulating real ship emptying operating mode, described electric water gate is in full-gear, and when simulating real ship sweeping operating mode, the aperture of described electric water gate is in and progressively turns down state, progressively declines to make liquid level in described first sub-pond.
Wherein, described valve unit comprises:
Hydraulic butterfly valve, Valve controlling valve and power pump station; Described hydraulic butterfly valve is located on described drainpipe; Described Valve controlling valve is connected with described hydraulic butterfly valve; Described power pump station is connected with described Valve controlling valve and described control module respectively.
Wherein, the gross reservoir capacity in described first sub-pond and described second sub-pond is greater than 300 cubic metres.
Wherein, described device also comprises the first pressure measurement ring and the second pressure measurement ring; Described first pressure measurement ring to be located on described suction hose and between described oil-in and described knockout drum; Described second pressure measurement ring to be located on described drainpipe and between described oil-out and described valve unit; Described first pressure measurement ring is connected with described control module respectively with described second pressure measurement ring.
Wherein, described device also comprises and being located on described suction hose and the electric gate valve be connected with described control module; Described knockout drum is between described oil-in and described electric gate valve.
Wherein, described device also comprises and being located on described drainpipe and the electromagnetic flowmeter be connected with described control module.
On the other hand, provide a kind of method of testing of cargo oil system, adopt the proving installation of the cargo oil system above described in any one to realize, described method comprises:
Open the electric water gate between the first sub-pond and the second sub-pond, described first sub-pond is communicated with described second sub-pond; Wherein, the pondage in described first sub-pond is not more than the pondage in described second sub-pond;
Start Cargo Oil Pump, make described Cargo Oil Pump, with the first desired speed, the water in described first sub-pond is delivered to described second sub-pond;
Regulate the aperture of described electric water gate, reduce the water yield that described second sub-pond flows into described first sub-pond;
Adopt knockout drum to detect the inhalation flow of described Cargo Oil Pump in real time, and be separated the liquids and gases of described Cargo Oil Pump suction; Adopt vacuum pump group to pump out the isolated gas of described knockout drum simultaneously;
When described inhalation flow is lower than predetermined inhalation flow, valve unit is adopted to regulate the delivery rate of described Cargo Oil Pump to predetermined delivery rate, and change the rotating speed of described Cargo Oil Pump, make described Cargo Oil Pump, with the second desired speed, the water in described first sub-pond is delivered to described second sub-pond.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: by by the Cargo Oil Pump of cargo oil system in real ship, knockout drum and vacuum pump group, become one according to the installation form of real ship and test, and the other end of the suction hose be communicated with Cargo Oil Pump oil-in is arranged in the first sub-pond; The other end of the drainpipe be communicated with Cargo Oil Pump oil-out is arranged in the second sub-pond; The pondage in the first sub-pond is not more than the pondage in the second sub-pond; Like this, regulate the electric water gate between the first sub-pond and the second sub-pond, the sweeping operating mode of cargo oil system can be simulated, the sweeping performance of test cargo oil system; Thus the performance of cargo oil system entirety can be tested, make the accuracy of the performance parameter of the cargo oil system finally obtained high; Further, proving installation is fairly simple, easily arranges, economic benefits.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the proving installation of a kind of cargo oil system that the embodiment of the present invention one provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment one
The embodiment of the present invention one provides a kind of proving installation of cargo oil system, and see Fig. 1, cargo oil system to be measured comprises: Cargo Oil Pump (not shown), knockout drum 1 and vacuum pump group 2.Wherein, Cargo Oil Pump comprises pump body and is located at the first transmission shaft, oil-in and the oil-out on pump body respectively.This proving installation comprises: valve unit, variable-frequency motor 4, transmission component (not shown), frequency converter 5, control module 6, suction hose 7, drainpipe 8 and pond.Wherein, variable-frequency motor 4 comprises motor body and is located at the second driving shaft on motor body.Further, connect the first transmission shaft to be connected by transmission component with second driving shaft.Frequency converter 5 is connected with variable-frequency motor 4.One end of suction hose 7 is communicated with oil-in, and one end of drainpipe 8 is communicated with oil-out.
Wherein, this pond comprises the second sub-pond 10 that the first sub-pond 9 and pondage are not less than the first sub-pond 9; Electric water gate 11 is provided with between first sub-pond 9 and the second sub-pond 10.The other end of suction hose 7 is arranged in the first sub-pond 9.The other end of drainpipe 8 is arranged in the second sub-pond 10.Valve unit is located on drainpipe 8.Knockout drum 1 is located on suction hose 7; Vacuum pump group 2 is connected with knockout drum 1.
Particularly, Cargo Oil Pump, knockout drum 1 and vacuum pump group 2 is the ingredient of cargo oil system to be measured.Knockout drum 1, in sweeping process, is separated gas and liquid that Cargo Oil Pump inputted by suction hose 7, and detects the input flow rate of Cargo Oil Pump in real time.Vacuum pump group 2 is for aspirating the isolated gas of knockout drum 1.This is well known technology, is not described in detail in this.
Wherein, valve unit is for regulating the delivery rate of Cargo Oil Pump.Valve unit comprises hydraulic butterfly valve 3a, Valve controlling valve 3b and power pump station 3c.Hydraulic butterfly valve 3a is located on drainpipe 8; Valve controlling valve 3b is connected with hydraulic butterfly valve 3a; Power pump station 3c is connected with Valve controlling valve 3b and control module 6 respectively.Particularly, Valve controlling valve 3b is integrated on power pump station 3c.Power pump station 3c starts under the instruction of control module 6, and driver's valve gate control valve 3b, to regulate hydraulic butterfly valve 3a, reaches the object that hydraulic butterfly valve 3a controls the output liquid amount of Cargo Oil Pump.
Wherein, transmission component is used for transmitting power between Cargo Oil Pump and variable-frequency motor 4.Further, can according to Specifications such as the actual installation form of oil carrier and GB/T3216-2005, by the vertical connection Cargo Oil Pump of transmission component and variable-frequency motor 4.Particularly, transmission component comprises the first flange, rotational speed and torque instrument and the second flange.First flange is connected with the first transmission shaft and rotational speed and torque instrument respectively; Second flange is connected with second driving shaft and rotational speed and torque instrument respectively.
Wherein, frequency converter 5 is for regulating the rotating speed of variable-frequency motor 4.Control module 6 is for controlling frequency converter 5 according to the rotating speed of Cargo Oil Pump and inhalation flow.
Wherein, the first sub-pond 9 is for simulating the oil cargo tank on oil carrier.The cargo tank of the Cargo Oil that Cargo Oil Pump is discharged is placed in second sub-pond 10 for simulating.Particularly, the water in the first sub-pond 9 is sucked by suction hose 7 by Cargo Oil Pump, is then entered in the second sub-pond 10 by drainpipe 8.Because electric water gate 11 has been communicated with the first sub-pond 9 and the second sub-pond 10, then can control the aperture of automatically controlled sluice gate 11, change to regulate the liquid level in the first sub-pond 9.Further, the gross reservoir capacity in the first sub-pond 9 and the second sub-pond 10 is greater than 300 cubic metres.
Wherein, this proving installation also comprises and the first pressure measurement ring 12 of the hydraulic pressure for measuring oil-in and the second pressure measurement ring 13 for the hydraulic pressure of measuring hydraulic fluid port.First pressure measurement ring 12 to be located on suction hose 7 and between oil-in and knockout drum 1; Second pressure measurement ring 13 to be located on drainpipe 8 and between oil-out and valve unit; First pressure measurement ring 12 is connected with control module 6 respectively with the second pressure measurement ring 13.
Wherein, this proving installation also comprises and being located on suction hose 7 and the electric gate valve 14 be connected with control module 6; Knockout drum 1 is between oil-in and electric gate valve 14.
Wherein, this proving installation also comprises and being located on drainpipe 8 and the electromagnetic flowmeter 15 be connected with control module 6.
Wherein, this proving installation also comprises the supporting component for supporting variable-frequency motor 4, suction hose 7 and drainpipe 8.
The principle of work of this proving installation is simply described below:
First, each performance index of cargo oil system handling Cargo Oil are tested.Particularly, start Cargo Oil Pump, first, Cargo Oil Pump operating condition is set up in declared working condition; Simultaneously by electric water gate 11 standard-sized sheet, the water in the first sub-pond 9 and the second sub-pond 10 is made to form circulation, to simulate real ship emptying operating mode.
Secondly, each performance index of test cargo oil system sweeping.Particularly, progressively regulate the aperture of electric water gate 11, liquid level in the first sub-pond 9 is progressively declined, to simulate real ship sweeping operating mode; Liquid level now in knockout drum 1 is also in the process progressively declined, when in the first sub-pond 9, liquid level is down to predetermined fluid level (such as 1 meter), in knockout drum 1, liquid level is too low, vacuum pump group 2 starts automatically, carry out aspiration vacuum in knockout drum 1, ensure that Cargo Oil Pump suction inlet pressure head is to guarantee that Cargo Oil Pump runs well; Meanwhile, by-pass valve control unit is reduced the delivery rate of Cargo Oil Pump and controls the rotating speed that frequency converter 5 regulates Cargo Oil Pump by control module 6.
Two kinds of operating modes of above-mentioned simulation and the application operating mode of real shipload oil system basically identical, can realize checking and accepting the comprehensive investigation of cargo oil system overall work situation.
The beneficial effect that the said apparatus that the present embodiment provides brings is: by by the Cargo Oil Pump of cargo oil system in real ship, knockout drum and vacuum pump group, become one according to the installation form of real ship and test, and the other end of the suction hose be communicated with Cargo Oil Pump oil-in is arranged in the first sub-pond; The other end of the drainpipe be communicated with Cargo Oil Pump oil-out is arranged in the second sub-pond; The pondage in the first sub-pond is not more than the pondage in the second sub-pond; Like this, regulate the electric water gate between the first sub-pond and the second sub-pond, the sweeping operating mode of cargo oil system can be simulated, the sweeping performance of test cargo oil system; Thus the performance of cargo oil system entirety can be tested, make the accuracy of the performance parameter of the cargo oil system finally obtained high; Further, proving installation is fairly simple, easily arranges, economic benefits.
Embodiment two
The embodiment of the present invention two provides a kind of method of testing of cargo oil system, and the method flow process comprises:
201: open the electric water gate between the first sub-pond and the second sub-pond, the first sub-pond is communicated with the second sub-pond; Start Cargo Oil Pump, make Cargo Oil Pump, with the first desired speed, the water in the first sub-pond is delivered to the second sub-pond.
Wherein, the pondage in the first sub-pond is not more than the pondage in the second sub-pond.
Particularly, after the first sub-pond is communicated with the second sub-pond, the water in the first sub-pond and the second sub-pond forms circulation.The oil cargo tank that the pond simulation oil reserve that moisture storage capacity can be adopted so little is large, truly reflects oil cargo tank.Cargo Oil Pump continues, with the first desired speed (declared working condition), the water in the first sub-pond is delivered to the second sub-pond, simulates real ship emptying operating mode.
202: the aperture regulating electric water gate, reduce the water yield that the second sub-pond flows into the first sub-pond; Adopt knockout drum to detect the inhalation flow of Cargo Oil Pump in real time, and be separated the liquids and gases of Cargo Oil Pump suction; Adopt vacuum pump group to pump out the isolated gas of knockout drum simultaneously; When inhalation flow is lower than predetermined inhalation flow, adopts valve unit to regulate the delivery rate of Cargo Oil Pump to predetermined delivery rate, and change the rotating speed of Cargo Oil Pump, make Cargo Oil Pump, with the second desired speed, the water in the first sub-pond is delivered to the second sub-pond.
Particularly, progressively turn down the aperture of electric water gate, reduce the water yield that the second sub-pond flows into the first sub-pond.Under the conveying of Cargo Oil Pump, the liquid level of the water in the first sub-pond will progressively decline.Now, the liquid level in knockout drum is also in the process progressively declined.Along with the decline of liquid level, knockout drum will be separated the liquids and gases of Cargo Oil Pump suction automatically.When the liquid level of the water in the first sub-pond is down to about 1 meter; when in knockout drum, liquid level is lower than predetermined liquid level; vacuum pump group unit starts automatically; aspiration vacuum is carried out in knockout drum; ensure that Cargo Oil Pump suction inlet pressure head is to guarantee that Cargo Oil Pump runs well, this operating mode and real ship sweeping are applied basically identical.
Wherein, by 201 and 202, can realize testing cargo oil system overall work situation, to investigate examination to cargo oil system comprehensively.
The beneficial effect that the said method that the embodiment of the present invention provides brings is: by by the Cargo Oil Pump of cargo oil system in real ship, knockout drum and vacuum pump group, become one according to the installation form of real ship and test, and the other end of the suction hose be communicated with Cargo Oil Pump oil-in is arranged in the first sub-pond; The other end of the drainpipe be communicated with Cargo Oil Pump oil-out is arranged in the second sub-pond; The pondage in the first sub-pond is not more than the pondage in the second sub-pond; Like this, regulate the electric water gate between the first sub-pond and the second sub-pond, the sweeping operating mode of cargo oil system can be simulated, the sweeping performance of test cargo oil system; Thus the performance of cargo oil system entirety can be tested, make the accuracy of the performance parameter of the cargo oil system finally obtained high; Further, proving installation is fairly simple, easily arranges, economic benefits.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a proving installation for cargo oil system, described cargo oil system comprises Cargo Oil Pump, knockout drum and vacuum pump group; Described Cargo Oil Pump comprises pump body and is located at the first transmission shaft, oil-in and the oil-out on described pump body respectively; Described proving installation comprises valve unit, variable-frequency motor, transmission component, frequency converter, control module, suction hose, drainpipe and pond; Described variable-frequency motor comprises motor body and is located at the second driving shaft on described motor body; Described transmission component connects described first transmission shaft and described second driving shaft, and described frequency converter is connected with described variable-frequency motor; One end of described suction hose is communicated with described oil-in; One end of described drainpipe is communicated with described oil-out, it is characterized in that,
Described pond comprises the second sub-pond that the first sub-pond and pondage are not less than described first sub-pond; Electric water gate is provided with between described first sub-pond and described second sub-pond; The other end of described suction hose is arranged in described first sub-pond; The other end of described drainpipe is arranged in described second sub-pond; Described valve unit is located on described drainpipe; Described knockout drum is located on described suction hose; Described vacuum pump group is connected with described knockout drum;
When simulating real ship emptying operating mode, described electric water gate is in full-gear, and when simulating real ship sweeping operating mode, the aperture of described electric water gate is in and progressively turns down state, progressively declines to make liquid level in described first sub-pond.
2. device according to claim 1, is characterized in that, described valve unit comprises:
Hydraulic butterfly valve, Valve controlling valve and power pump station; Described hydraulic butterfly valve is located on described drainpipe; Described Valve controlling valve is connected with described hydraulic butterfly valve; Described power pump station is connected with described Valve controlling valve and described control module respectively.
3. device according to claim 1, is characterized in that, the gross reservoir capacity in described first sub-pond and described second sub-pond is greater than 300 cubic metres.
4. device according to claim 1, is characterized in that, described device also comprises the first pressure measurement ring and the second pressure measurement ring; Described first pressure measurement ring to be located on described suction hose and between described oil-in and described knockout drum; Described second pressure measurement ring to be located on described drainpipe and between described oil-out and described valve unit; Described first pressure measurement ring is connected with described control module respectively with described second pressure measurement ring.
5. device according to claim 1, is characterized in that, described device also comprises and being located on described suction hose and the electric gate valve be connected with described control module; Described knockout drum is between described oil-in and described electric gate valve.
6. device according to claim 1, is characterized in that, described device also comprises and being located on described drainpipe and the electromagnetic flowmeter be connected with described control module.
7. a method of testing for cargo oil system, is characterized in that, adopt the proving installation of the cargo oil system described in any one of claim 1-6 to realize, described method comprises:
Open the electric water gate between the first sub-pond and the second sub-pond, described first sub-pond is communicated with described second sub-pond; Wherein, the pondage in described first sub-pond is not more than the pondage in described second sub-pond;
Start Cargo Oil Pump, make described Cargo Oil Pump, with the first desired speed, the water in described first sub-pond is delivered to described second sub-pond;
Regulate the aperture of described electric water gate, reduce the water yield that described second sub-pond flows into described first sub-pond;
Adopt knockout drum to detect the inhalation flow of described Cargo Oil Pump in real time, and be separated the liquids and gases of described Cargo Oil Pump suction; Adopt vacuum pump group to pump out the isolated gas of described knockout drum simultaneously;
When described inhalation flow is lower than predetermined inhalation flow, valve unit is adopted to regulate the delivery rate of described Cargo Oil Pump to predetermined delivery rate, and change the rotating speed of described Cargo Oil Pump, make described Cargo Oil Pump, with the second desired speed, the water in described first sub-pond is delivered to described second sub-pond.
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| CN201210391612.9A CN102901650B (en) | 2012-10-16 | 2012-10-16 | A kind of proving installation of cargo oil system and method |
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| CN201210391612.9A CN102901650B (en) | 2012-10-16 | 2012-10-16 | A kind of proving installation of cargo oil system and method |
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| CN102901650B true CN102901650B (en) | 2015-12-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104458304B (en) * | 2014-12-01 | 2017-02-22 | 武汉船用机械有限责任公司 | FPSO crude oil loading and unloading system testing device and joint testing method thereof |
| CN109162910B (en) * | 2018-06-29 | 2020-03-17 | 武汉船用机械有限责任公司 | Cargo oil pump performance testing device and testing method |
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| CN2624317Y (en) * | 2003-04-30 | 2004-07-07 | 长春工程学院 | Multifunctional test equipment for centrifugal pump |
| CN101419242A (en) * | 2008-11-05 | 2009-04-29 | 浙江科尔泵业股份有限公司 | Test method for critical speed of centrifugal pump and test device thereof |
| CN101705935A (en) * | 2009-11-09 | 2010-05-12 | 江苏大学 | Water pump parallel machine set operation mechanism and control strategy simulation test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004037963A1 (en) * | 2004-08-05 | 2006-03-16 | Robert Bosch Gmbh | test methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2624317Y (en) * | 2003-04-30 | 2004-07-07 | 长春工程学院 | Multifunctional test equipment for centrifugal pump |
| CN101419242A (en) * | 2008-11-05 | 2009-04-29 | 浙江科尔泵业股份有限公司 | Test method for critical speed of centrifugal pump and test device thereof |
| CN101705935A (en) * | 2009-11-09 | 2010-05-12 | 江苏大学 | Water pump parallel machine set operation mechanism and control strategy simulation test device |
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