CN210483924U - Air pressure reducing device for diesel power station - Google Patents
Air pressure reducing device for diesel power station Download PDFInfo
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- CN210483924U CN210483924U CN201921449418.5U CN201921449418U CN210483924U CN 210483924 U CN210483924 U CN 210483924U CN 201921449418 U CN201921449418 U CN 201921449418U CN 210483924 U CN210483924 U CN 210483924U
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Abstract
The utility model discloses an air pressure relief device for diesel power station, air pressure relief device include two air supply branch pipes, and arbitrary air supply branch pipe is equipped with high-pressure electric ball valve and ordinary pressure electric ball valve, and two air supply branch pipe entries and exit are equipped with first three-way pipe and second three-way pipe respectively, are equipped with the entry manometer on the first three-way pipe, are equipped with manometer and pressure transmitter on the second three-way pipe. The existence of the leakage point is found by monitoring the gas pressure change conditions of the inlet and the outlet of the two gas supply branch pipes, then the fault gas supply branch pipe with the leakage point is found out, the fault gas supply branch pipe is closed, and the gas is completely sent to the other gas supply branch pipe maintaining device to continue to operate. The whole device is simple in structure, flanges are welded at the interfaces of the connecting pipes, leakage points at the interfaces of the connecting pipes can be greatly reduced, the two air supply branch pipes are fixedly installed through the fixing rods, and the leakage points caused by vibration and other reasons in the running process of the device are further reduced.
Description
Technical Field
The utility model relates to a diesel generator technical field, in particular to an air pressure relief device for diesel power station.
Background
In the power generation process of the diesel generator set, air needs to be injected into a cylinder of the diesel generator set to be mixed with fuel oil to do work for power generation, the purity and the air pressure of the air influence the efficiency of the work done by mixing the fuel oil with the air, and therefore before the air is conveyed to the cylinder of the diesel generator set, the air needs to be subjected to pressure control and filtration by an air pressure reducing device and then mixed with the fuel oil after reaching the standard. The existing air pressure reducing device is complex in pipeline connection, multiple connecting points exist in the complex pipeline design, then multiple leak points are added, the air inside the pipeline is mostly high-pressure air, when a certain position of the pipeline breaks down, manual maintenance is not convenient to perform very much, and the operation efficiency of the whole machine is influenced. The connecting pipeline with a complex structure is generally required to be certified by a third-party detection mechanism after field assembly is completed, and can be put into use, and a large amount of manpower and material resources are required for searching the third-party detection mechanism to perform whole machine detection.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air pressure relief device for diesel power station aims at optimizing air pressure relief device pipeline design, improves air pressure relief device's operating efficiency.
In order to achieve the above object, the utility model provides an air pressure reduction device for diesel power station, air pressure reduction device air inlet and air compressor machine exit linkage, air pressure reduction device gas outlet and diesel generator entry linkage, air pressure reduction device includes a mounting bracket, and is still including being used for filtering gas and regulating and controlling two sets of air feed branch pipe of gas pressure, two sets of air feed branch pipe install in on the mounting bracket, two sets of air feed branch pipe one end through a first three-way pipe with the air pressure reduction device air inlet is connected, and is two sets of the air feed branch pipe other end through a second three-way pipe with the air pressure reduction device gas outlet is connected.
One ends of the two air supply branch pipes are respectively connected with the first three-way pipe through a high-pressure electric ball valve, and an inlet pressure gauge is additionally arranged between the first three-way pipe and the air inlet of the air pressure reducing device; the other ends of the two air supply branch pipes are respectively connected with the second three-way pipe through a normal-pressure electric ball valve, and an outlet pressure gauge and a pressure transmitter are sequentially arranged between the second three-way pipe and the air outlet of the air pressure reducing device.
Preferably, two air supply branch pipes are installed side by side on the mounting bracket, just the air pressure reducing device air inlet with the air pressure reducing device air outlet is located the air pressure reducing device homonymy.
Preferably, the air inlet of the pressure reducing device and the air outlet of the air pressure reducing device are both provided with an air bottle, the air inlet of the pressure reducing device is connected with the outlet of the air compressor through the air bottle, and the air outlet of the pressure reducing device is connected with the inlet of the diesel generator through the other air bottle.
Preferably, any one of the air supply branch pipes comprises a high-pressure filter, an air pressure reducing valve, a safety valve and a normal-pressure check valve which are sequentially installed along the airflow flowing direction, the outlet of the high-pressure electric ball valve is connected with the inlet of the high-pressure filter, and the inlet of the normal-pressure electric ball valve is connected with the outlet of the normal-pressure check valve.
Preferably, the first three-way pipe, the second three-way pipe, the high-pressure electric ball valve, the normal-pressure electric ball valve, the high-pressure filter, the air pressure reducing valve, the safety valve and the normal-pressure check valve are connected with the air supply branch pipe through flanges, and the flanges and the air supply branch pipe are welded into a whole.
Preferably, still be equipped with a plurality of leveling that are used for on the mounting bracket two the dead lever of air supply branch pipe mounted position, arbitrary be equipped with on the dead lever two with the solid fixed ring of air supply branch pipe one-to-one, gu fixed ring cover is located air supply branch pipe is peripheral.
Compared with the prior art, the beneficial effects of the utility model are that: through monitoring the gas pressure change condition of two gas supply branch pipe entrances and exports, discover the existence of leak, pressure transmitter sends the unusual change of pressure to rear end control system, and rear end control system opens and closes high-pressure electric ball valve and the electronic ball valve of ordinary pressure on two gas supply branch pipes, and then finds out the trouble gas supply branch pipe that has the leak through the pressure change condition to close the electronic ball valve of high-pressure and the electronic ball valve of ordinary pressure of this trouble gas supply branch pipe, gaseous whole gas supply branch pipe maintaining device that send to continues the operation. The whole device is simple in structure, flanges are welded at the interfaces of the connecting pipes, leakage points at the interfaces of the connecting pipes can be greatly reduced, and the installation stability of the whole device is guaranteed. The fixed rod on the mounting rack is used for fixing the two air supply branch pipes, so that the leakage points caused by vibration and other reasons in the operation process of the device are further reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of an air pressure reducing device for a diesel power station according to the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The utility model provides an air pressure reduction device for diesel power station, air pressure reduction device air inlet 101 and air compressor machine (not shown in the figure) exit linkage, air pressure reduction device gas outlet 102 and diesel generator (not shown in the figure) entry linkage, air pressure reduction device includes a mounting bracket 1, still includes two sets of air supply branch pipes 2 that are used for filtering gas and regulation and control gas pressure, two sets of air supply branch pipes 2 are installed on mounting bracket 1, two sets of air supply branch pipe 2 one end through a first three-way pipe 41 with air pressure reduction device air inlet 101 is connected, two sets of air supply branch pipe 2 other end through a second three-way pipe 42 with air pressure reduction device gas outlet 102 is connected;
one end of each of the two air supply branch pipes 2 is connected with the first three-way pipe 41 through a high-pressure electric ball valve 231, and an inlet pressure gauge 3 is additionally arranged between the first three-way pipe 41 and the air inlet 101 of the air pressure reducing device; the other ends of the two air supply branch pipes 2 are respectively connected with the second three-way pipe 42 through a normal-pressure electric ball valve 232, and an outlet pressure gauge 5 and a pressure transmitter 6 are further sequentially arranged between the second three-way pipe 42 and the air outlet 102 of the air pressure reducing device.
The two air supply branch pipes 2 are arranged on the mounting frame 1 side by side, and the air inlet 101 of the air pressure reducing device and the air outlet 102 of the air pressure reducing device are arranged on the same side of the air pressure reducing device. The interfaces are enabled to face the outer side of the device in a unified mode, and the air pressure reducing device is convenient to be connected with devices such as a high-pressure air bottle and a control air bottle.
The gas enters the first three-way pipe 41, the gas supply branch pipe 2 and the second three-way pipe 42 from the air inlet 101 of the air pressure reducing device in sequence and then is sent out from the air outlet 102 of the air pressure reducing device. The air supply branch pipe 2 comprises a high-pressure filter 24, an air pressure reducing valve 25, a safety valve 26 and a normal-pressure check valve 27 which are sequentially installed along the airflow flowing direction, the outlet of the high-pressure electric ball valve 231 is connected with the inlet of the high-pressure filter 24, and the inlet of the normal-pressure electric ball valve 232 is connected with the outlet of the normal-pressure check valve 27 to form a smooth gas passage.
Preferably, the first three-way pipe 41, the second three-way pipe 42, the high-pressure electric ball valve 231, the normal-pressure electric ball valve 232, the high-pressure filter 24, the air pressure reducing valve 25, the safety valve 26 and the normal-pressure check valve 27 are all connected with the air supply branch pipe 2 through a flange 7, and the flange 7 and the air supply branch pipe 2 are welded into a whole. Compare with the mode that the tradition adopted threaded connection, the utility model discloses a flange 7 is connected with air supply branch pipe 2, and the installation and debugging of each subassembly of being convenient for, flange 7 and air supply branch pipe 2 welding are as an organic whole simultaneously, but each junction leak source of greatly reduced air supply branch pipe 2 guarantees the installation stability of each air supply branch pipe 2. For example, the installation valve is directly welded on the gas supply branch pipe 2, third party safety detection can be made in advance, the installation valve is directly put into use after being transported to the site, a third party detection mechanism is not needed to be found additionally during site installation, and the installation operation efficiency is effectively improved.
The air inlet 101 and the air outlet 102 of the pressure reducing device are both provided with an air bottle (not shown in the figure), the air inlet 101 of the pressure reducing device is connected with the outlet of the air compressor through the air bottle, and the air outlet 102 of the pressure reducing device is connected with the inlet of the diesel generator through the air bottle. When the air compressor runs, air is compressed, high-pressure air is conveyed to the air bottle, the high-pressure air enters the opened high-pressure electric ball valve 231 from the first three-way pipe 41 after being buffered and speed-controlled in the air bottle, and enters the air reducing valve 25 after being filtered in the high-pressure filter 24, the air reducing valve 25 reduces the pressure of the high-pressure air and then conveys the high-pressure air into the safety valve 26, the safety valve 26 further regulates and controls the air which does not meet the pressure requirement to the required pressure and then conveys the air to the normal-pressure check valve 27 and the opened normal-pressure electric ball valve 232 in sequence, the normal-pressure check valve 27 is used for controlling the air to flow in one direction towards the normal-pressure electric ball valve 232, low-pressure air output from the outlet of the normal-pressure electric ball valve 232 enters the second three-way pipe 42 and then conveys.
The utility model discloses two air supply branch 2 can move simultaneously or choose for use one of them independent pipeline operation. The inlet pressure gauge 3 is used for monitoring the pressure change condition of the air inlet 101, and the outlet pressure gauge 5 and the pressure transmitter 6 are used for monitoring the pressure change condition of the air outlet 102. Under the condition that the two gas supply branch pipes 2 operate simultaneously, when the inlet pressure gauge 3 and the outlet pressure gauge 5 display that the pressure fluctuates in a controllable range, an operator can directly carry out field debugging to recover the pressure to be normal; when the inlet pressure gauge 3 displays that the pressure is in the controllable range, but the outlet pressure gauge 5 displays that the pressure is lower than the controllable range, that is, it indicates that the air supply branch pipe 2 has a leak point, the pressure transmitter 6 sends the abnormal condition to the rear end control system, the rear end control system respectively opens and closes the high-pressure electric ball valve 231 and the normal-pressure electric ball valve 232 of the two air supply branch pipes 2, the pressure change condition observed through the outlet pressure gauge 5 and the pressure transmitter 6 finds out the fault air supply branch pipe 2 with the leak point, and closes the high-pressure electric ball valve 231 and the normal-pressure electric ball valve 232 of the fault air supply branch pipe 2, so that the gas all moves to the other air supply branch pipe 2.
Still be equipped with a plurality of leveling two that are used for on the mounting bracket 1 the dead lever 11 of 2 mounted positions of air supply branch pipe, arbitrary be equipped with on the dead lever 11 two with the solid fixed ring 12 of 2 one-to-one of air supply branch pipe, gu fixed ring 12 cover is located air supply branch pipe 2 is peripheral. The thickness of accessible adjustment dead lever 11 or the position of two solid fixed rings 12 on each dead lever 11, fixed each air feed branch pipe 2 is steadily installed on mounting bracket 1, prevents that certain subassembly in the air feed branch pipe 2 from taking place the production that the dislocation increased the leak source because of reasons such as vibrations in the operation process.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (6)
1. An air pressure reducing device for a diesel power station is characterized by further comprising two groups of air supply branch pipes for filtering gas and regulating and controlling gas pressure, wherein the two groups of air supply branch pipes are arranged on the mounting rack, one ends of the two groups of air supply branch pipes are connected with the air inlet of the air pressure reducing device through a first three-way pipe, and the other ends of the two groups of air supply branch pipes are connected with the air outlet of the air pressure reducing device through a second three-way pipe;
one ends of the two air supply branch pipes are respectively connected with the first three-way pipe through a high-pressure electric ball valve, and an inlet pressure gauge is additionally arranged between the first three-way pipe and the air inlet of the air pressure reducing device; the other ends of the two air supply branch pipes are respectively connected with the second three-way pipe through a normal-pressure electric ball valve, and an outlet pressure gauge and a pressure transmitter are sequentially arranged between the second three-way pipe and the air outlet of the air pressure reducing device.
2. The air decompressing device for a diesel power plant according to claim 1, wherein the two air supply branch pipes are installed side by side on the mounting frame, and the air inlet of the air decompressing device and the air outlet of the air decompressing device are provided on the same side as the air decompressing device.
3. The air decompressor for a diesel power station of claim 1, wherein the decompressor air inlet and the decompressor air outlet are each provided with an air tank, the decompressor air inlet is connected to the air compressor outlet through the air tank, and the decompressor air outlet is connected to the diesel generator inlet through the other air tank.
4. The air decompressing device for a diesel power plant according to claim 1, wherein any one of the air supply branch pipes includes a high pressure filter, an air decompressing valve, a safety valve, and a normal pressure check valve installed in sequence in the flow direction of the air stream, the outlet of the high pressure electric ball valve is connected to the inlet of the high pressure filter, and the inlet of the normal pressure electric ball valve is connected to the outlet of the normal pressure check valve.
5. The air decompressor for diesel power station as set forth in claim 4, wherein the first tee pipe, the second tee pipe, the high-pressure electric ball valve, the normal-pressure electric ball valve, the high-pressure filter, the air pressure reducing valve, the safety valve and the normal-pressure check valve are connected to the air supply branch pipe through flanges, and the flanges are welded to the air supply branch pipe as one body.
6. The air decompressing device for a diesel power plant according to claim 1, wherein the mounting frame is further provided with a plurality of fixing bars for leveling the mounting positions of the two air supply branch pipes, any one of the fixing bars is provided with two fixing rings corresponding to the air supply branch pipes one to one, and the fixing rings are sleeved on the peripheries of the air supply branch pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921449418.5U CN210483924U (en) | 2019-08-30 | 2019-08-30 | Air pressure reducing device for diesel power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921449418.5U CN210483924U (en) | 2019-08-30 | 2019-08-30 | Air pressure reducing device for diesel power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210483924U true CN210483924U (en) | 2020-05-08 |
Family
ID=70539006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921449418.5U Active CN210483924U (en) | 2019-08-30 | 2019-08-30 | Air pressure reducing device for diesel power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210483924U (en) |
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2019
- 2019-08-30 CN CN201921449418.5U patent/CN210483924U/en active Active
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