CN213543874U - Pressure measuring device for marine diesel engine fuel oil - Google Patents
Pressure measuring device for marine diesel engine fuel oil Download PDFInfo
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- CN213543874U CN213543874U CN202022503745.3U CN202022503745U CN213543874U CN 213543874 U CN213543874 U CN 213543874U CN 202022503745 U CN202022503745 U CN 202022503745U CN 213543874 U CN213543874 U CN 213543874U
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Abstract
The utility model provides a marine diesel engine fuel oil's pressure measurement device, be equipped with the flow control device who is connected with leading-in pipeline one end of fuel oil and be used for annotating the liquid and the diverging device of auxiliary liquid into the oil collecting tank inside at the oil collecting tank top, annotate liquid and diverging device lower extreme and pipe intercommunication, annotate a plurality of interfaces and the fuel measuring pipeline group connection that is connected with pressure measurement equipment of liquid and diverging device upper end, auxiliary liquid in the oil collecting tank is derived by annotating a plurality of diffluent mouths of liquid and diverging device upper end according to the pressure in the oil collecting tank. The utility model discloses an introduce the auxiliary liquid that density is greater than fuel oil, make diesel engine fuel oil pressure measure after deriving by a plurality of interfaces of annotating liquid and diverging device upper end through the auxiliary liquid the same with it pressure, effectively avoided the fuel oil directly to get into the measuring equipment detection and the measuring equipment that causes blocks up, the phenomenon of inefficacy and damage, solved the fuel oil pressure fluctuation and to the influence that measuring equipment produced, effectively improved measuring equipment's life.
Description
Technical Field
The utility model belongs to the technical field of the oil pressure measurement, concretely relates to marine diesel engine fuel oil's pressure measurement device.
Background
With the advent of marine economy, the world-wide material flow is increased dramatically, which leads to the gradual shortage of energy resources all over the world, so that energy conservation becomes a hot topic in the industrial production and material transportation process. Due to the large price difference between diesel oil and fuel oil, the use of low-quality fuel oil on the marine main engine becomes inevitable. In order to reduce the operation cost of the existing large and medium-sized diesel engine in use, low-quality fuel oil (namely heavy oil) is generally used, the diesel engine is the heart of a ship, and in order to effectively monitor the state of the diesel engine, the fuel oil pressure value (comprising an on-board pressure gauge and a sensor remote transmission measurement) needs to be monitored in the operation process of the diesel engine. By adopting the monitoring method, the conditions of failure and damage of a fuel pressure gauge and a sensor are frequently caused when the existing large and medium diesel engine burns heavy oil in the using process of the diesel engine, and the use is inconvenient for users; secondly, the pressure fluctuation of a fuel oil main pipe of the diesel engine caused in the operation process of a high-pressure oil pump of the diesel engine causes the pointer of the pressure gauge to vibrate greatly and the sensor to pulsate frequently, so that the pointer is damaged; and thirdly, under the condition that the diesel engine is stopped for a long time and is not used (under the condition that no heat is accompanied by no warming), the damage and the failure of a pressure gauge and a sensor can be caused very quickly, and the fuel pressure cannot be measured normally, so that the improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem: the utility model provides a marine diesel engine fuel oil's pressure measurement device, through introducing the auxiliary liquid that density is greater than fuel oil, make diesel engine fuel oil pressure measure after leading out by annotating the liquid and a plurality of interfaces of diverging device upper end through the auxiliary liquid that the pressure is the same with it, avoid measuring equipment direct and fuel oil contact, effectively avoided the fuel oil directly to get into measuring equipment detection and the measuring equipment that causes blocks up, the phenomenon of inefficacy and damage, the fuel oil pressure fluctuation has been solved and the influence to measuring equipment production, measuring device and measuring equipment easy maintenance, effectively improved measuring equipment's life.
The utility model adopts the technical proposal that: the pressure measuring device for the fuel oil of the marine diesel engine comprises an oil collecting tank, wherein the top of the oil collecting tank is provided with a flow regulating device connected with one end of a fuel oil leading-in pipeline and a liquid injection and diversion device used for injecting auxiliary liquid into the oil collecting tank, the fuel oil leading-in pipeline is provided with an on/off valve, the other end of the fuel oil leading-in pipeline is communicated with the main fuel oil pipeline of the diesel engine, the lower end of the liquid injection and diversion device is communicated with a conduit which is arranged in the oil collecting tank and leads into the lower end of the tank body, a plurality of interfaces at the upper end of the liquid injection and distribution device are connected with a fuel oil measuring pipeline group connected with a pressure measuring device, the density of the auxiliary liquid is greater than that of diesel engine fuel oil, the auxiliary liquid in the oil collecting tank is led out from a plurality of flow dividing ports at the upper end of the liquid injection and flow dividing device according to the pressure in the oil collecting tank, and a lower screw plug convenient for discharging the liquid in the tank body is arranged at the bottom of the oil collecting tank.
The flow adjusting device comprises an adjusting bolt and a connecting pipe with a stepped structure, the adjusting bolt is located above the oil collecting tank and is in threaded connection with the side wall of the connecting pipe, a lower port of the connecting pipe is fixedly connected with the top of the oil collecting tank through the internal connection of the oil collecting tank and threads, and an upper port of the connecting pipe is communicated with a fuel oil leading-in pipeline and realizes flow adjustment of leading-in fuel oil in the oil collecting tank through the rotating adjusting bolt.
Further, annotate liquid and diverging device and include hollow structure's hexagonal bolt and threaded connection's ball joint on the hexagonal bolt, hexagonal bolt upper end system has the screw with inside intercommunication and is fixed in hexagonal bolt upper end with the last plug screw of screw adaptation, the system has on the hexagonal bolt outer wall to correspond rather than the interior cavity vertical and the connecting hole of intercommunication and the interface position on connecting with the ball joint, the interface connection on fuel measurement pipeline group tip and the ball joint, hexagonal bolt screw thread links firmly port and pipe upper end intercommunication under sump oil tank top and hexagonal bolt.
Further, the fuel oil measurement pipeline group includes two fuel oil measurement pipelines, pressure measurement equipment includes pressure sensor and manometer, both ends fuel oil measurement pipeline one end respectively with annotate liquid and two interface connections on the diverging device, the fuel oil measurement pipeline other end is connected with pressure sensor and manometer respectively, both ends all be equipped with the stop valve on the fuel oil measurement pipeline.
Further, the oil collecting tank is formed by bottom plate, roof and the annular tube welding that is located between bottom plate and the roof, be equipped with the screw hole that is used for respectively with flow control device and notes liquid and diverging device lower extreme threaded connection on the roof, with the screw hole that flow control device lower extreme is connected is through the hole of locating the roof bottom surface and the inside intercommunication of oil collecting tank, the pipe welds in the bottom surface of roof and with annotate liquid and diverging device adapter connection's screw hole and pipe upper end intercommunication.
The utility model has the advantages compared with the prior art:
1. according to the technical scheme, the flow regulating device connected with one end of the fuel oil inlet pipeline and the liquid injection and distribution device used for injecting the auxiliary liquid into the oil collecting tank are arranged at the top of the oil collecting tank, and the auxiliary liquid with the density larger than that of the fuel oil is introduced, so that the pressure of the fuel oil of the diesel engine is led out from a plurality of interfaces at the upper end of the liquid injection and distribution device through the auxiliary liquid with the same pressure as the pressure of the fuel oil and then is measured, the direct contact of measuring equipment and the fuel oil is avoided, and the phenomena of blockage, failure and damage of the measuring equipment caused by the fact that the fuel oil;
2. according to the technical scheme, the flow regulating device is arranged to regulate the pressure of the fuel oil introduced into the oil collecting tank, so that the influence of the fuel oil pressure fluctuation on the measuring equipment is effectively avoided, and the stability and the measuring reliability of the measuring equipment are ensured;
3. according to the technical scheme, the on/off valve is arranged on the fuel oil inlet pipeline, so that the influence of long-term shutdown of the marine diesel engine on detection equipment is effectively avoided, and the maintenance of the whole equipment is facilitated;
4. according to the technical scheme, the stop valve is arranged on the fuel oil measuring pipeline, so that the measuring equipment is convenient to maintain and replace under the condition that the normal working state of the diesel engine is guaranteed, the replacement and maintenance structure is optimized, the service life of the measuring equipment is effectively prolonged, and the measuring equipment has high use value.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
An embodiment of the present invention will be described in conjunction with fig. 1, so that the technical solution will be described clearly and completely, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, not the whole embodiment.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The pressure measuring device for the marine diesel engine fuel oil comprises an oil collecting tank 1, wherein the top of the oil collecting tank 1 is provided with a flow regulating device 3 connected with one end of a fuel oil introducing pipeline 2 and a liquid injection and diversion device 4 used for injecting auxiliary liquid 8 into the oil collecting tank 1, the fuel oil introducing pipeline 2 is provided with an on/off valve 6, the other end of the fuel oil introducing pipeline 2 is communicated with a diesel engine fuel oil main pipeline 5, and the on/off valve 6 is arranged on the fuel oil introducing pipeline 2, so that the influence on detection equipment under the condition that the marine diesel engine is stopped for a long time and is not used is effectively avoided, and the maintenance and the repair of the whole equipment are facilitated; the lower end of the liquid injection and distribution device 4 is communicated with a conduit 7 which is arranged in the oil collecting tank 1 and is led into the lower end of the tank body, a plurality of interfaces at the upper end of the liquid injection and distribution device 4 are connected with a fuel oil measuring pipeline group 10 which is connected with a pressure measuring device, the density of the auxiliary liquid 8 is greater than that of diesel engine fuel oil, the auxiliary liquid 8 in the oil collecting tank 1 is led out from a plurality of distribution ports at the upper end of the liquid injection and distribution device 4 according to the pressure in the oil collecting tank 1, the bottom of the oil collecting tank 1 is provided with a lower screw plug 9 which is convenient for discharging the liquid in the tank body, and the design of the lower screw plug 9 is convenient for checking and cleaning; in the technical scheme, the flow regulating device 3 connected with one end of the fuel oil inlet pipeline 2 and the liquid injection and diversion device 4 used for injecting the auxiliary liquid 8 into the oil collecting tank 1 are arranged at the top of the oil collecting tank 1, and the auxiliary liquid 8 with the density larger than that of the fuel oil is introduced, so that the pressure of the fuel oil of the diesel engine is led out from a plurality of interfaces at the upper end of the liquid injection and diversion device 4 through the auxiliary liquid 8 with the same pressure as the pressure of the fuel oil for measurement, the direct contact of the measurement equipment with the fuel oil is avoided, and the phenomena of blockage, failure and damage of the measurement equipment caused by the fact that the fuel oil directly enters the measurement;
the specific structure of the flow regulator 3 is as follows: the flow regulating device 3 comprises a regulating bolt 3-2 and a connecting pipe 3-1 with a step structure, the adjusting bolt 3-2 is positioned above the oil collecting tank 1 and is connected with the side wall of the connecting pipe 3-1 by screw thread, the lower port of the connecting pipe 3-1 is connected with the inside of the oil collecting tank 1 and is fixedly connected with the top of the oil collecting tank 1 through screw threads, the upper port of the connecting pipe 3-1 is communicated with the fuel oil inlet pipeline 2, the flow of the fuel oil led into the oil collecting tank 1 is adjusted by rotating the adjusting bolt 3-2, when the adjustment is needed, the adjusting bolt 3-2 is rotated, thereby changing the screwing amount of the adjusting bolt 3-2 into the connecting pipe 3-1 to adjust the flow of the fuel oil led into the oil collecting tank 1, thereby effectively solving the influence on the measuring equipment caused by the fuel oil pressure fluctuation and ensuring the stability and the measuring reliability of the measuring equipment;
the liquid injection and distribution device 4 has the following specific structure: the liquid injection and flow distribution device 4 comprises a hexagonal bolt 4-1 with a hollow structure and a spherical joint 4-2 in threaded connection with the hexagonal bolt 4-1, the upper end of the hexagonal bolt 4-1 is provided with a screw hole communicated with the inside and an upper plug screw 4-3 matched with the screw hole and fixed at the upper end of the hexagonal bolt 4-1, the outer wall of the hexagonal bolt 4-1 is provided with a connecting hole which is vertical to and communicated with a hollow cavity inside the hexagonal bolt and corresponds to the interface position on the spherical joint 4-2, one end part of the fuel oil measurement pipeline group 10 is connected with the interface on the spherical joint 4-2, the hexagonal bolt 4-1 is in threaded connection with the top of the oil collecting tank 1, and the lower port of the hexagonal bolt 4-1 is communicated with the upper end of the conduit;
the fuel oil measuring pipeline group 10 comprises two fuel oil measuring pipelines 10-1, the pressure measuring equipment comprises a pressure sensor and a pressure gauge, one end of each fuel oil measuring pipeline 10-1 at two ends is respectively connected with two interfaces on the liquid injection and distribution device 4, the other end of each fuel oil measuring pipeline 10-1 is respectively connected with the pressure sensor and the pressure gauge, and the fuel oil measuring pipelines 10-1 at two ends are respectively provided with a stop valve 10-2; in the structure, the stop valve 10-2 is arranged on the fuel oil measuring pipeline 10-1, so that the measuring equipment is convenient to maintain and replace under the condition of ensuring the normal working state of the diesel engine, the replacement and maintenance structure is optimized, the service life of the measuring equipment is effectively prolonged, and the use value is high;
the oil collecting tank 1 is formed by welding a bottom plate 1-1, a top plate 1-2 and a ring pipe 1-3 positioned between the bottom plate 1-1 and the top plate 1-2, threaded holes used for being in threaded connection with the lower end of a flow adjusting device 3 and a liquid injection and diversion device 4 are formed in the top plate 1-2 respectively, the threaded holes connected with the lower end of the flow adjusting device 3 are communicated with the inside of the oil collecting tank 1 through holes formed in the bottom surface of the top plate 1-2, and a guide pipe 7 is welded to the bottom surface of the top plate 1-2 and is communicated with the upper end of the guide pipe 7 through threaded holes in adaptive connection with the liquid injection and diversion.
In the technical scheme, the auxiliary liquid 8 can adopt glycol, and the designed oil collecting tank 1 is beneficial to collecting two media, namely glycol and fuel oil (heavy oil); the oil collecting tank 1 has simple structural design, convenient manufacture and low cost; during operation, in the first step, the upper screw plug 4-3 is disassembled, ethylene glycol is injected into the oil collecting tank 1, and then the upper screw plug 4-3 is installed; secondly, opening an on/off valve 6 to introduce heavy oil into the oil collecting tank 1 through a flow regulating device 3, wherein the flow regulating device 3 is in threaded connection with the oil collecting tank 1, and a regulating bolt 3-2 on the flow regulating device 3 can regulate and measure pressure fluctuation of the fuel oil; heavy oil in a main diesel engine fuel oil pipeline 5 flows into an oil collecting tank 1, ethylene glycol is pressed into a guide pipe 7, and the heavy oil is shunted by two spherical joints 4-2 and then flows into a fuel pressure gauge and a pressure sensor in sequence for measurement; because the working time is long, heavy oil can cause the pollution of ethylene glycol, the ethylene glycol can be discharged by opening the lower screw plug 9 at the lower part, the injection of the ethylene glycol is carried out after the oil collecting tank 1 is cleaned, the fuel pressure measurement fault treatment of the diesel engine in the running process can be realized by stopping and closing the oil collecting tank 10-2, the shutdown is not needed, and the maintenance is convenient.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. The pressure measuring device of marine diesel engine fuel oil is characterized in that: comprises an oil collecting tank (1), the top of the oil collecting tank (1) is provided with a flow regulating device (3) connected with one end of a fuel oil leading-in pipeline (2) and an injection and shunt device (4) used for injecting auxiliary liquid (8) into the oil collecting tank (1), the fuel oil leading-in pipeline (2) is provided with an on/off valve (6) and the other end of the fuel oil leading-in pipeline (2) is communicated with a diesel engine fuel oil main pipeline (5), the lower end of the injection and shunt device (4) is communicated with a conduit (7) which is arranged in the oil collecting tank (1) and leads into the lower end of the tank body, a plurality of interfaces at the upper end of the injection and shunt device (4) are connected with a fuel oil measuring pipeline group (10) connected with a pressure measuring device, the density of the auxiliary liquid (8) is greater than that of the diesel engine fuel oil, and the auxiliary liquid (8) in the oil collecting tank (1) is led out from a plurality of shunt ports at, the bottom of the oil collecting tank (1) is provided with a lower screw plug (9) which is convenient for discharging the liquid in the tank body.
2. The marine diesel fuel oil pressure measuring apparatus according to claim 1, characterized in that: flow control device (3) are including adjusting bolt (3-2) and connecting pipe (3-1) of step structure, adjusting bolt (3-2) are located oil collecting tank (1) top and threaded connection on connecting pipe (3-1) lateral wall, port and oil collecting tank (1) internal connection and screw thread link firmly in oil collecting tank (1) top under connecting pipe (3-1), port and the leading-in pipeline of fuel oil (2) intercommunication and the flow control of leading-in oil collecting tank (1) inside fuel oil is realized through rotatory adjusting bolt (3-2) on connecting pipe (3-1).
3. The marine diesel fuel oil pressure measuring apparatus according to claim 1, characterized in that: the liquid injection and flow distribution device (4) comprises a hexagonal bolt (4-1) with a hollow structure and a spherical joint (4-2) in threaded connection with the hexagonal bolt (4-1), the upper end of the hexagonal bolt (4-1) is provided with a screw hole communicated with the inside and an upper plug screw (4-3) matched with the screw hole is fixed at the upper end of the hexagonal bolt (4-1), the outer wall of the hexagonal bolt (4-1) is provided with a connecting hole which is vertical to and communicated with the hollow cavity inside the hexagonal bolt and corresponds to the interface position on the spherical joint (4-2), one end of the fuel oil measuring pipeline group (10) is connected with an interface on the spherical joint (4-2), the hexagonal bolt (4-1) is fixedly connected to the top of the oil collecting tank (1) in a threaded manner, and the lower port of the hexagonal bolt (4-1) is communicated with the upper end of the guide pipe (7).
4. The marine diesel fuel oil pressure measuring device according to claim 1, characterized in that: the fuel oil measuring pipeline set (10) comprises two fuel oil measuring pipelines (10-1), the pressure measuring equipment comprises a pressure sensor and a pressure gauge, one end of each fuel oil measuring pipeline (10-1) is connected with two interfaces on the liquid injection and distribution device (4) respectively, the other end of each fuel oil measuring pipeline (10-1) is connected with the pressure sensor and the pressure gauge respectively, and stop valves (10-2) are arranged on the fuel oil measuring pipelines (10-1) at two ends.
5. The marine diesel fuel oil pressure measuring device according to any one of claims 1 to 4, wherein: the oil collecting tank (1) is formed by welding a bottom plate (1-1), a top plate (1-2) and a ring-shaped pipe (1-3) positioned between the bottom plate (1-1) and the top plate (1-2), threaded holes which are respectively used for being in threaded connection with the lower end of a flow adjusting device (3) and a liquid injection and shunting device (4) are formed in the top plate (1-2), the threaded holes which are connected with the lower end of the flow adjusting device (3) are communicated with the inside of the oil collecting tank (1) through holes formed in the bottom surface of the top plate (1-2), and a guide pipe (7) is welded on the bottom surface of the top plate (1-2) and is communicated with the threaded holes which are in adaptive connection with the liquid injection and shunting device (4) and the upper.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022503745.3U CN213543874U (en) | 2020-11-03 | 2020-11-03 | Pressure measuring device for marine diesel engine fuel oil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022503745.3U CN213543874U (en) | 2020-11-03 | 2020-11-03 | Pressure measuring device for marine diesel engine fuel oil |
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| CN213543874U true CN213543874U (en) | 2021-06-25 |
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| CN202022503745.3U Active CN213543874U (en) | 2020-11-03 | 2020-11-03 | Pressure measuring device for marine diesel engine fuel oil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525418A (en) * | 2020-12-09 | 2021-03-19 | 中船动力有限公司 | Fuel pressure acquisition buffer of marine diesel engine |
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- 2020-11-03 CN CN202022503745.3U patent/CN213543874U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525418A (en) * | 2020-12-09 | 2021-03-19 | 中船动力有限公司 | Fuel pressure acquisition buffer of marine diesel engine |
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