CN220379452U - Dry air supply device for fuel tank - Google Patents
Dry air supply device for fuel tank Download PDFInfo
- Publication number
- CN220379452U CN220379452U CN202322039934.3U CN202322039934U CN220379452U CN 220379452 U CN220379452 U CN 220379452U CN 202322039934 U CN202322039934 U CN 202322039934U CN 220379452 U CN220379452 U CN 220379452U
- Authority
- CN
- China
- Prior art keywords
- air supply
- fuel tank
- removal filter
- way valve
- supply device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002828 fuel tank Substances 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000000428 dust Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 7
- 229920001967 Metal rubber Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 description 9
- 238000001914 filtration Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model discloses a dry air supply device of an anti-fuel tank, which comprises a compressed air system, a high-pressure air supply pipeline, a dust removal filter, a water removal filter, a pressure reducing valve, a three-way valve, a low-pressure air supply pipeline and the anti-fuel tank, wherein the air supply pipeline is connected with the air supply pipeline; the outlet of the compressed air system is communicated with the inlet of the dust removal filter through a high-pressure air supply pipeline, the outlet of the dust removal filter is communicated with the inlet of the water removal filter, the gas outlet of the water removal filter is communicated with the first opening of the three-way valve through a pressure reducing valve, and the second opening of the three-way valve is communicated with the inlet of the anti-fuel tank through a low-pressure air supply pipeline.
Description
Technical Field
The utility model belongs to the technical field of dry air supply, and relates to a dry air supply device for an anti-fuel tank.
Background
The fire-resistant oil of the power plant has a strict requirement on the moisture content, the exceeding of the moisture content can cause the deterioration of the oil quality, the oil emulsification or the acid value increase, the blocking of a main steam valve regulating valve of a steam turbine is caused, and the safe and stable operation of the steam turbine unit is influenced.
The moisture source in the fire resistant oil is mainly two factors: firstly, the oil cooler of the fire-resistant oil can leak, and the water content exceeds the standard due to the leakage of cooling water to the fire-resistant oil system; secondly, the fire-resistant oil tank is generally connected with the outside air through a breather valve, the breather valve is saturated or invalid in water absorption, and the fire-resistant oil in the fire-resistant oil tank adsorbs moisture in humid air, so that the water content exceeds the standard. Especially in humid climatic environments, this factor leads to higher frequencies of exceeding the water content of the fire-resistant oil, and the common fire-resistant oil systems are equipped with special water removal devices, which are costly.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a dry air supply device for a fuel tank, which can avoid the problem of exceeding the water content caused by adsorption of moisture in the air.
In order to achieve the above purpose, the utility model discloses a dry air supply device of an anti-fuel tank, which comprises a compressed air system, a high-pressure air supply pipeline, a dust removal filter, a water removal filter, a pressure reducing valve, a three-way valve, a low-pressure air supply pipeline and the anti-fuel tank;
the outlet of the compressed air system is communicated with the inlet of the dust removal filter through a high-pressure air supply pipeline, the outlet of the dust removal filter is communicated with the inlet of the water removal filter, the gas outlet of the water removal filter is communicated with the first opening of the three-way valve through a pressure reducing valve, and the second opening of the three-way valve is communicated with the inlet of the fuel tank through a low-pressure air supply pipeline.
And a needle valve is arranged on the high-pressure air supply pipeline.
And a pressure gauge is arranged on the pipeline between the pressure reducing valve and the first opening of the three-way valve.
And a safety valve is arranged on a pipeline between the pressure reducing valve and the first opening of the three-way valve.
The high-pressure air supply pipeline and the low-pressure air supply pipeline are stainless steel pipelines or metal rubber hoses.
The three-way valve is characterized by further comprising an air humidity detector, wherein the third opening of the three-way valve is connected with the air humidity detector.
The intelligent air humidity detector also comprises a controller and an alarm, wherein the output end of the air humidity detector and the control end of the three-way valve are connected with the controller, and the output end of the controller is connected with the alarm.
And the water outlet of the water removal filter is communicated with a waste liquid collecting system.
The utility model has the following beneficial effects:
when the dry air supply device for the anti-fuel tank disclosed by the utility model is specifically operated, compressed air output by the compressed air system is subjected to dust removal filtration and water removal filtration, and then is supplied to the anti-fuel tank after being decompressed, so that micro-positive pressure is ensured in the anti-fuel tank, the problem of exceeding of the water content caused by adsorption of water in the air in the anti-fuel tank is avoided, and the dry air supply device for the anti-fuel tank is simple in structure, lower in cost and extremely high in practicability.
Drawings
Fig. 1 is a structural diagram of the present utility model.
Wherein 1 is a compressed air system, 1-1 is a high-pressure air supply pipeline, 1-2 is a low-pressure air supply pipeline, 2 is a needle valve, 3 is a dust removal filter, 4 is a water removal filter, 5 is a waste liquid collecting system, 6 is a pressure reducing valve, 7 is a pressure gauge, 8 is a safety valve, 9 is a three-way valve, and 10 is an anti-fuel tank.
Detailed Description
In order to make the present utility model better understood by those skilled in the art, the following description will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, but not intended to limit the scope of the present disclosure. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the concepts of the present disclosure. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
In the accompanying drawings, there is shown a schematic structural diagram in accordance with a disclosed embodiment of the utility model. The figures are not drawn to scale, wherein certain details are exaggerated for clarity of presentation and may have been omitted. The shapes of the various regions, layers and their relative sizes, positional relationships shown in the drawings are merely exemplary, may in practice deviate due to manufacturing tolerances or technical limitations, and one skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions as actually required.
The principle of the utility model is as follows: one path of compressed air is connected to the anti-fuel tank 10, and the compressed air is subjected to dust removal filtration and water removal filtration, and is supplied to the anti-fuel tank 10 after being decompressed, so that the problem of exceeding of the water content caused by adsorption of water in the air of the anti-fuel tank 10 is avoided.
Referring to fig. 1, the dry air supply device for an anti-fuel tank according to the present utility model comprises a compressed air system 1, a high pressure air supply line 1-1, a low pressure air supply line 1-2, a needle valve 2, a dust removal filter 3, a water removal filter 4, a waste liquid collection system 5, a pressure reducing valve 6, a pressure gauge 7, a safety valve 8, a three-way valve 9 and an anti-fuel tank 10;
the outlet of the compressed air system 1 is communicated with the inlet of the dust removal filter 3 through a high-pressure air supply pipeline 1-1, the outlet of the dust removal filter 3 is communicated with the inlet of the water removal filter 4, the water outlet of the water removal filter 4 is communicated with the waste liquid collecting system 5, the gas outlet of the water removal filter 4 is communicated with the first opening of the three-way valve 9 through a pressure reducing valve 6, and the second opening of the three-way valve 9 is communicated with the inlet of the anti-fuel tank 10 through a low-pressure air supply pipeline 1-2.
In this embodiment, the high pressure gas supply line 1-1 is provided with a needle valve 2.
In this embodiment, a pressure gauge 7 and a relief valve 8 are disposed on a pipe between the pressure reducing valve 6 and the first opening of the three-way valve 9.
In this embodiment, the high-pressure air supply line 1-1 and the low-pressure air supply line 1-2 are stainless steel pipes or metal rubber hoses.
In this embodiment, the air humidity detector is further included, and the third opening of the three-way valve 9 is connected with the air humidity detector.
In this embodiment, the air humidity detector further comprises a controller and an alarm, wherein the output end of the air humidity detector and the control end of the three-way valve 9 are connected with the controller, and the output end of the controller is connected with the alarm.
The specific working process of the utility model is as follows:
the compressed air flow output by the compressed air system 1 firstly removes dust in the dust removal filter 3, then removes water in the water removal filter 4, and then enters the anti-fuel tank 10 through a main pipeline of the three-way valve 9 after being decompressed through the decompression valve 6, wherein the dry air is reduced to be less than or equal to 0.05MPa through the decompression valve 6, and the waste liquid collected by the water removal filter 4 is discharged into the waste liquid collecting system 5.
In addition, a third opening of the three-way valve 9 is opened periodically to sample the dry air entering the anti-fuel tank 10, and then the dry air is sent into an air humidity detector to carry out humidity detection so as to judge whether the humidity of the air entering the anti-fuel tank 10 meets the requirement; when the air humidity detected by the air humidity detector is greater than or equal to the preset humidity, the controller controls the alarm to send an alarm signal to remind a worker of overhauling the water removal filter 4 so as to ensure that the humidity of the air entering the anti-fuel tank 10 meets the requirement.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the utility model without departing from the spirit and scope of the utility model, which is intended to be covered by the claims.
Claims (8)
1. The dry air supply device for the anti-fuel tank is characterized by comprising a compressed air system (1), a high-pressure air supply pipeline (1-1), a dust removal filter (3), a water removal filter (4), a pressure reducing valve (6), a three-way valve (9), a low-pressure air supply pipeline (1-2) and the anti-fuel tank (10);
the outlet of the compressed air system (1) is communicated with the inlet of the dust removal filter (3) through a high-pressure air supply pipeline (1-1), the outlet of the dust removal filter (3) is communicated with the inlet of the water removal filter (4), the gas outlet of the water removal filter (4) is communicated with the first opening of the three-way valve (9) through a pressure reducing valve (6), and the second opening of the three-way valve (9) is communicated with the inlet of the anti-fuel tank (10) through a low-pressure air supply pipeline (1-2).
2. A dry air supply device for a fuel tank according to claim 1, characterized in that the high pressure air supply line (1-1) is provided with a needle valve (2).
3. A dry air supply device for a fuel tank according to claim 1, characterized in that a pressure gauge (7) is arranged in the conduit between the relief valve (6) and the first opening of the three-way valve (9).
4. A dry air supply device for a fuel tank according to claim 1, characterized in that a relief valve (8) is provided in the conduit between the relief valve (6) and the first opening of the three-way valve (9).
5. The dry air supply device for fuel tank according to claim 1, wherein the high pressure air supply line (1-1) and the low pressure air supply line (1-2) are stainless steel pipes or metal rubber hoses.
6. A dry air supply device for a fuel tank according to claim 1, further comprising an air humidity detector, wherein the third opening of the three-way valve (9) is connected to the air humidity detector.
7. The dry air supply device for fuel tank as claimed in claim 6, further comprising a controller and an alarm, wherein an output of the air humidity detector and a control end of the three-way valve (9) are connected to the controller, and an output of the controller is connected to the alarm.
8. A dry air supply device for a fuel tank according to claim 1, characterized in that the water outlet of the water removal filter (4) is in communication with a waste liquid collection system (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322039934.3U CN220379452U (en) | 2023-07-31 | 2023-07-31 | Dry air supply device for fuel tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322039934.3U CN220379452U (en) | 2023-07-31 | 2023-07-31 | Dry air supply device for fuel tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220379452U true CN220379452U (en) | 2024-01-23 |
Family
ID=89568983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322039934.3U Active CN220379452U (en) | 2023-07-31 | 2023-07-31 | Dry air supply device for fuel tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220379452U (en) |
-
2023
- 2023-07-31 CN CN202322039934.3U patent/CN220379452U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |