CN210483927U - Self-operated marine pressure stabilizer - Google Patents
Self-operated marine pressure stabilizer Download PDFInfo
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- CN210483927U CN210483927U CN201921396453.5U CN201921396453U CN210483927U CN 210483927 U CN210483927 U CN 210483927U CN 201921396453 U CN201921396453 U CN 201921396453U CN 210483927 U CN210483927 U CN 210483927U
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- pressure stabilizer
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Abstract
The utility model discloses a formula of relying on oneself marine voltage regulator device, with the pipe connection of diesel engine fuel supply system, a serial communication port, including inclosed cavity, the intracavity holds there is the fuel, and the fuel top is the air, and the volume of air is 2 times of fuel volume at least, and the top of cavity is equipped with the pipe that stretches into in the cavity, and the pipe bottom is under the fuel liquid level all the time. The utility model has the advantages that: the utility model has the pressure stabilizing effect on the fuel system pressure fluctuation caused by the load change of the diesel engine by compressing or releasing the upper air; the replacement is not needed, the cost is low, and the device can be used permanently; the bottom of the guide pipe is always positioned below the liquid level of the fuel oil, so that gas is prevented from entering the diesel engine, and the diesel engine is protected.
Description
Technical Field
The utility model relates to a voltage stabilizer especially relates to a marine voltage stabilizer.
Background
At present, the devices used for controlling the pressure fluctuation of fuel oil entering the marine diesel engine are a piston type energy accumulator and a leather bag type energy accumulator.
Such as: application No. 201410858364.3, discloses a piston accumulator comprising a housing bounding a pressure chamber and accommodating a movable piston, in which pressure chamber a compressible fluid is accommodated, wherein the piston has a housing side facing the pressure chamber and a working side facing the working fluid, which can move the piston, characterized in that a bushing is provided in which the piston is movable.
The piston accumulator needs to be provided with a gas cylinder, the piston is pushed to move by gas in the gas cylinder to achieve the purpose of pressure stabilization, but the piston generates abrasion after long-term movement, and gas is easy to enter a fuel system.
If, application number 201410668080.8, leather bag formula energy storage ware, including jar body, leather bag, air inlet and oil inlet, its characterized in that: the tank body is internally provided with a leather bag used for filling nitrogen, the leather bag is arranged into a dish shape and is connected with an air inlet, the air inlet is provided with a bolt used for sealing, the outer side of the air inlet is also provided with an upper end cover, a lifting valve is arranged in the oil inlet, and the outer side of the oil inlet is provided with a lower end cover used for sealing.
The leather bag type energy accumulator is characterized in that a leather bag is arranged in a tank, compressed gas is filled in the leather bag, the purpose of stabilizing pressure is achieved through expansion and compression of the gas, heavy oil is used on a ship, the heating temperature of the heavy oil reaches 150 ℃, the leather bag is easy to age under long-term high temperature, and the gas is easy to enter a fuel oil system. Because the devices all have the defect that gas enters a fuel oil system, the high-pressure oil pump of the diesel engine is easy to generate gas explosion, the diesel engine is greatly damaged, potential safety hazards exist, and the devices are required to be replaced regularly, so that the cost is high.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: how to solve the problem that the existing gas easily enters a fuel system.
The utility model discloses a following technical means realizes solving above-mentioned technical problem: a self-operated marine pressure stabilizer is connected with a pipeline of a diesel engine fuel supply system, specifically, a fuel oil pipe of a diesel engine is connected to the fuel oil supply system, the pressure stabilizer comprises a closed cavity, fuel oil is contained in the cavity, air is arranged above the fuel oil, the volume of the air is at least 2 times of that of the fuel oil, a guide pipe extending into the cavity is arranged at the top of the cavity, and the bottom of the guide pipe is always positioned below the liquid level of the fuel oil.
The utility model discloses a top and the pipeline connection of diesel engine fuel supply system of pipe for voltage regulator and diesel engine fuel advance the pressure and reach the balance, when the pressure that the diesel engine fuel advances to keep constant, the fuel can not get into voltage regulator, when causing the pressure increase of advancing because of the change of diesel engine load, the fuel in the fuel supply piping enters the fuel in the voltage regulator through the pipe, makes the gas of upper chamber compress, plays the steady voltage effect; when the pressure of the diesel engine is reduced due to the load change of the diesel engine, the upper cavity compressed gas in the pressure stabilizer enables oil liquid of the pressure stabilizer to enter a fuel oil supply pipe system through a guide pipe, so that the pressure stabilizer plays a role in stabilizing pressure; because the lower end of the guide pipe is always positioned in the oil liquid in the lower cavity, the gas in the upper cavity cannot enter a fuel oil supply pipe system, and the safe and reliable operation of the diesel engine is protected; the characteristic that the existing energy accumulator needs to be inflated is abandoned, and special maintenance is basically not needed; the emergency generator also has an energy storage function, and under the condition that the main power supply is suddenly power-off, the emergency generator usually needs about 20s of time to be replaced by power supply again, at the moment, fuel in the voltage stabilizer is input into a fuel supply pipeline of the diesel engine by virtue of the pressure of the fuel, the continuous operation of 40s can be generally maintained, the 20s of time for starting the emergency generator is filled, and the working continuity is kept.
Preferably, an initial oil positioning ball valve is arranged at a position, corresponding to the liquid level of the fuel, outside the cavity.
The effect that is equipped with initial oil location ball valve is when for initial oiling, opens initial oil location ball valve earlier, and when initial oil location ball valve had oil outflow, the fuel reached and sets for the liquid level, closes initial oil location ball valve this moment.
Preferably, the bottom end of the cavity is provided with a relief ball valve. Used for discharging residual liquid.
Preferably, the cavity comprises an upper cover, a barrel body and a lower cover which are detachably connected, the bottom end of the upper cover is connected with one end of the barrel body, and the other end of the barrel body is connected with the lower cover. The split type setting is convenient for process, and an airtight chamber is formed jointly to upper cover, barrel, lower cover.
Preferably, the cylinder body is a cylindrical cylinder with openings at two ends, and the upper cover and the lower cover are both of bowl-shaped structures.
Preferably, the upper cover is provided with a hole for the conduit to pass through.
Preferably, the cylinder body is provided with a positioning hole corresponding to the liquid level of the fuel oil. The locating hole can be a threaded hole, and the initial oil locating ball valve is connected with the locating hole through a screw seat.
Preferably, the bottom end of the lower cover is provided with a bleed hole. The discharge hole can be a threaded hole, and the discharge ball valve is connected with the discharge hole through a screw seat.
Preferably, the top end of the guide pipe is provided with a connecting flange. The conduit may be a steel conduit.
Preferably, the outer side of the cavity is further provided with a fixing support for fixing on the diesel engine.
The utility model has the advantages that:
(1) the utility model discloses a top and the pipeline connection of diesel engine fuel supply system of pipe, when the diesel engine fuel advances quick-witted pressure and generally keeps invariable, the fuel can not get into voltage regulator, when causing the pressure increase of advancing because of the diesel engine load changes, the fuel in the fuel supply piping enters the fuel in voltage regulator through the pipe, makes the gas of epicoele compress, plays the steady voltage effect; when the pressure of the diesel engine is reduced due to the load change of the diesel engine, the upper cavity compressed gas in the pressure stabilizer enables oil liquid of the pressure stabilizer to enter a fuel oil supply pipe system through a guide pipe, so that the pressure stabilizer plays a role in stabilizing pressure; because the lower end of the guide pipe is always positioned in the oil liquid in the lower cavity, the gas in the upper cavity cannot enter a fuel oil supply pipe system, and the safe and reliable operation of the diesel engine is protected; the characteristic that the existing energy accumulator needs to be inflated is abandoned, and special maintenance is basically not needed; the emergency generator also has an energy storage function, and under the condition that the main power supply is suddenly powered off, the emergency generator usually needs 20s of time to be replaced by power supply again, at the moment, fuel oil in the voltage stabilizer is input into a fuel oil supply pipeline of the diesel engine by virtue of the pressure of the fuel oil, the continuous operation of 40s can be generally maintained, the 20s of time for starting the emergency generator is filled, and the working continuity is kept;
(2) the replacement is not needed, the cost is low, and the device can be used permanently;
(3) the method meets the standards of various large classification societies, meets the requirements of users, can be widely applied to fuel supply units, and has strong popularization.
Drawings
Fig. 1 is a schematic structural diagram of a self-operated marine pressure stabilizer according to an embodiment of the present invention.
Reference numbers in the figures: the device comprises a cavity 1, an upper cover 11, a cylinder 12, a lower cover 13, a conduit 2, an initial oil positioning ball valve 3, a relief ball valve 4, a connecting flange 5 and a fixed support 6.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1, marine pressure stabilizer of formula of relying on oneself, including inclosed cavity 1, cavity 1 content has the fuel, is the air above the fuel, and the volume of air is 2 times of the fuel volume at least, because of the air is easily compressed, and need compress to certain extent, just can offset the undulant pressure value of diesel engine fuel, consequently, need be with the big some of the volume setting of upper air, the top of cavity 1 is equipped with and stretches into the pipe 2 in the cavity, pipe 2 bottom is in under the fuel liquid level all the time.
In this embodiment, for example: the fuel feeding pressure of a diesel engine of a certain model is generally kept constant at 1Mpa, and the load change of the diesel engine can cause pressure fluctuation of 0.1-0.2Mpa, so that the compressed air in the pressure stabilizing device and the fuel can generate pressure for offsetting the pressure fluctuation of 0.1-0.2Mpa under the combined action, the fuel liquid level is generally arranged at the 1/3 height of the cavity, the volume of the cavity is 19 liters, the height of the cavity is 520mm, the diameter of the cavity is 245mm, the diameter of the guide pipe is 27mm, and the height between the lowest part of the guide pipe and the liquid level is 120mm, so that when the pressure stabilizing device is used, the bottom of the guide pipe is still positioned below the fuel liquid level under the condition of ensuring the limit value of the pressure fluctuation, and the air on the upper layer can not enter.
In this embodiment, the cavity 1 includes an upper cover 11, a cylinder 12 and a lower cover 13 which are detachably connected, the bottom end of the upper cover 11 is connected with one end of the cylinder 12, and the other end of the cylinder 12 is connected with the lower cover 13. The split type setting is convenient for processing, and the upper cover 11, the cylinder 12 and the lower cover 13 form a closed chamber together.
The cylinder body 12 is a cylindrical cylinder with openings at two ends, and the upper cover 11 and the lower cover 13 are both bowl-shaped structures; forming a cylindrical cavity with upper and lower circular arcs.
The chamber 1 may be a steel chamber.
Wherein, the upper cover 11 is provided with a hole for the conduit 2 to pass through. The pipe 2 is welded with the hole, so that air cannot overflow when compressed air is compressed.
The utility model discloses a pipe connection of pipe 2's top and diesel engine fuel supply system, it is concrete, connect and advance the diesel engine oil pipe in the fuel supply system, when the pressure of advancing diesel engine fuel generally keeps invariable, the fuel can not get into voltage regulator, when causing the pressure increase of advancing because of the diesel engine load change, the fuel in the fuel supply piping enters the fuel in the voltage regulator through pipe 2, make the gas of epicoele compress, play the steady voltage effect; when the pressure of the diesel engine is reduced due to the load change of the diesel engine, the oil liquid of the pressure stabilizer enters a fuel oil supply pipe system through the guide pipe 2 by the compressed gas of the upper cavity in the pressure stabilizer, so that the pressure stabilizer plays a role in stabilizing pressure; because the lower end of the guide pipe 2 is always positioned in the oil liquid in the lower cavity, the gas in the upper cavity cannot enter a fuel oil supply pipe system, and the safe and reliable operation of the diesel engine is protected;
the characteristic that the existing energy accumulator needs to be inflated is abandoned, and special maintenance is basically not needed; the emergency generator also has an energy storage function, and under the condition that the main power supply is suddenly power-off, the emergency generator usually needs about 20s of time to be replaced by power supply again, at the moment, fuel in the voltage stabilizer is input into a fuel supply pipeline of the diesel engine by virtue of the pressure of the fuel, the continuous operation of 40s can be generally maintained, the 20s of time for starting the emergency generator is filled, and the working continuity is kept.
Example two:
as shown in fig. 1, on the basis of the first embodiment, an initial oil positioning ball valve 3 is arranged outside the cavity 1 at a position corresponding to the fuel liquid level. Correspondingly, a positioning hole corresponding to the liquid level of the fuel is arranged on the cylinder body 12. The locating hole can be the screw hole, and initial oil location ball valve 3 passes through the spiral shell seat and is connected with the locating hole. And a sealing device is arranged at the joint, and the sealing device can adopt a sealing ring or other sealing devices in the prior art.
The effect that is equipped with initial oil location ball valve 3 is when for initial oiling, opens initial oil location ball valve 3 earlier, and when initial oil location ball valve 3 had the oil outflow, the fuel reached and sets for the liquid level, closes initial oil location ball valve 3 this moment.
Example three:
as shown in fig. 1, on the basis of the second embodiment, a discharge ball valve 4 is arranged at the bottom end of the cavity 1. The discharge ball valve 4 is used for discharging residual liquid. Specifically, the bottom end of the lower cover 13 is provided with a bleed hole. The bleed hole may be a threaded hole and the bleed ball valve 4 is connected to the bleed hole by a screw seat. And a sealing device is arranged at the joint, and the sealing device can adopt a sealing ring or other sealing devices in the prior art.
Example four:
as shown in fig. 1, in the third embodiment, a connecting flange 5 is provided at the top end of the conduit 2. The flange 5 is connected to the fuel supply system inlet diesel oil pipe. The pipe 2 may be a steel pipe.
The outer side of the cavity 1 is also provided with a fixed support 6 for fixing on a diesel engine. The fixing support 6 can be L-shaped or T-shaped, is provided with a connecting hole, and is sized and positioned as required.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A self-operated marine pressure stabilizer is connected with a pipeline of a diesel engine fuel supply system and is characterized by comprising a closed cavity, fuel oil is contained in the cavity, air is arranged above the fuel oil, the volume of the air is at least 2 times of that of the fuel oil, a guide pipe extending into the cavity is arranged at the top of the cavity, and the bottom of the guide pipe is always positioned below the liquid level of the fuel oil.
2. The self-operated marine pressure stabilizer according to claim 1, wherein an initial oil positioning ball valve is arranged outside the cavity at a position corresponding to the fuel level.
3. The self-operated marine pressure stabilizer according to claim 1, wherein a discharge ball valve is arranged at the bottom end of the cavity.
4. The self-operated marine pressure stabilizer according to claim 1, wherein the cavity comprises an upper cover, a cylinder body and a lower cover which are detachably connected, the bottom end of the upper cover is connected with one end of the cylinder body, and the other end of the cylinder body is connected with the lower cover.
5. The self-operated marine pressure stabilizer according to claim 4, wherein the cylinder body is a cylindrical cylinder with two open ends, and the upper cover and the lower cover are both bowl-shaped structures.
6. The self-operated marine pressure stabilizer according to claim 4, wherein the upper cover is provided with a hole for a conduit to pass through.
7. The self-operated marine pressure stabilizer according to claim 4, wherein the cylinder body is provided with a positioning hole corresponding to the liquid level of the fuel.
8. The self-operated marine pressure stabilizer according to claim 4, wherein the bottom end of the lower cover is provided with a bleed hole.
9. The self-operated marine pressure stabilizer according to claim 1, wherein the top end of the guide pipe is provided with a connecting flange.
10. The self-operated marine pressure stabilizer according to claim 1, wherein a fixing bracket for fixing the diesel engine is further provided outside the cavity.
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CN201921396453.5U CN210483927U (en) | 2019-08-26 | 2019-08-26 | Self-operated marine pressure stabilizer |
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CN201921396453.5U CN210483927U (en) | 2019-08-26 | 2019-08-26 | Self-operated marine pressure stabilizer |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110454304A (en) * | 2019-08-26 | 2019-11-15 | 安庆泰邦船舶科技有限公司 | Self-operated type stable-pressure device peculiar to vessel |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110454304A (en) * | 2019-08-26 | 2019-11-15 | 安庆泰邦船舶科技有限公司 | Self-operated type stable-pressure device peculiar to vessel |
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