CN203516750U - Drain valve and liquid storage tank - Google Patents
Drain valve and liquid storage tank Download PDFInfo
- Publication number
- CN203516750U CN203516750U CN201320474759.4U CN201320474759U CN203516750U CN 203516750 U CN203516750 U CN 203516750U CN 201320474759 U CN201320474759 U CN 201320474759U CN 203516750 U CN203516750 U CN 203516750U
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- opening
- valve body
- floating block
- valve
- liquid
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- 239000007788 liquid Substances 0.000 title claims abstract description 103
- 238000007599 discharging Methods 0.000 claims abstract description 38
- 238000007667 floating Methods 0.000 claims description 60
- 241000521257 Hydrops Species 0.000 claims description 10
- 206010030113 Oedema Diseases 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 235000019198 oils Nutrition 0.000 description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 206010000369 Accident Diseases 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 235000019476 oil-water mixture Nutrition 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model provides a drain valve and a liquid storage tank. The drain valve comprises a valve base, a first valve body, a second valve body and a cover body, wherein the valve base is provided with a first opening, the first valve body is arranged corresponding to the first opening so that the first opening can be opened or closed, the first valve body is provided with a second opening, the second valve body is arranged corresponding to the second opening so that the second opening can be opened or closed, the cover body is arranged on the first valve body, and the second valve body is arranged in the cover body which is provided with a third opening. When the drain valve is used for discharging liquid, the second valve body is firstly driven to enable the second valve body to be away from the second opening, the liquid is discharged from the second opening, and the cover body limits the scope of the second valve body. When the liquid needs to be quickly discharged, the second valve body drives the first valve body through the cover body, so that the first valve body is away from the first opening, and the liquid is discharged from the first opening.
Description
Technical field
The utility model relates to liquid storage drainage system, more specifically, relates to a kind of liquid discharging valve and liquid storage tank.
Background technique
In the transformer of electric substation, be filled with a large amount of transformer oil, in the time of breaking out of fire accident, transformer oil in transformer can be discharged automatically, to avoid transformer oil on fire and burn transformer.
In electric substation, emergency oil pond can be set, to store the transformer oil being discharged from, when fire accident occurs, transformer oil, can flow into emergency oil pond and store with fire-fighting water after mixing.In emergency oil pond, the mixed solution that transformer oil and fire-fighting water form is known from experience layering, and lighter oil is on liquid upper strata, heavier Shui liquid lower floor.Due to emergency oil pond finite capacity, so need to discharge aperiodically the liquid in emergency oil pond, be mainly the fire-fighting water of discharging lower floor, so that slot milling enters the oil mixing with water liquid of emergency oil pond after receiving.
Emergency oil pond of the prior art adopts simple drain valve, opens after drain valve, and mixing material is discharged from, and cannot regulate drain age velocity according to the fluid storage situation in emergency oil pond.
Model utility content
The utility model aims to provide a kind of liquid discharging valve and liquid storage tank, to solve the emergency oil pond of prior art, cannot regulate according to liquid storage situation the problem of drain age velocity.
For solving the problems of the technologies described above, according to an aspect of the present utility model, provide a kind of liquid discharging valve, comprising: valve seat, is provided with the first opening on valve seat; The first valve body, arranges to open or close the first opening accordingly with the first opening, is provided with the second opening on the first valve body; The second valve body, arranges to open or close the second opening accordingly with the second opening; Cover body, is arranged on the first valve body, and the second valve body is arranged in cover body, offers the 3rd opening on cover body.
Further, the area of the second opening is less than the area of the first opening.
Further, the second valve body is taper, and the miner diameter end of the second valve body is towards the direction setting of the first opening.
Further, on cover body, also offer a plurality of the 4th openings.
Further, valve seat is provided with sealing gasket on the end face of the first valve body.
Further, liquid discharging valve also comprises floating block and link, and floating block is arranged on the outside of cover body, and floating block is connected with the second valve body by link.
Further, link comprises head rod and the second connecting rod, and the second connecting rod comprises floating block mounting end, hinged mounting end and the joint between floating block mounting end and hinged mounting end; One end of head rod is connected with the second valve body, and the joint of the other end of head rod and the second connecting rod is hinged; Floating block is arranged on the floating block mounting end of the second connecting rod.
According to another aspect of the present utility model, a kind of liquid storage tank is also provided, comprise pond body, pond body comprises liquid port; Liquid storage tank also comprises above-mentioned liquid discharging valve, and the valve seat of liquid discharging valve is arranged on the inwall of pond body, and the first opening and liquid port arrange accordingly.
Further, liquid storage tank also comprises apocenosis passage, and the upstream extremity of apocenosis passage is communicated with liquid port, and apocenosis passage comprises the hydrops section of extending upward; Liquid discharging valve also comprises floating block and link, and floating block is arranged on the outside of cover body, and floating block is connected with the second valve body by link; The height of the vertical direction of hydrops section is less than or equal to the height of the vertical direction of link.
Further, link comprises head rod and the second connecting rod, and the second connecting rod comprises floating block mounting end, hinged mounting end and the joint between floating block mounting end and hinged mounting end; One end of head rod is connected with the second valve body, and the joint of the other end of head rod and the second connecting rod is hinged; Floating block is arranged on the floating block mounting end of the second connecting rod; The hinged mounting end of the second connecting rod is arranged on the inwall of pond body.
Liquid discharging valve of the present utility model, when discharge opeing, first drives the second valve body, makes the second valve body leave the second opening, and liquid is discharged from the second opening, and cover body limits the sphere of activities of the second valve body.When needs are discharged liquid fast, the second valve body drives the first valve body by cover body, makes the first valve body leave the first opening, and liquid is discharged from the first opening.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown liquid discharging valve in the utility model and the schematic diagram of liquid storage tank.
Reference character in figure: 10, valve seat; 11, the first opening; 12, sealing gasket; 20, the first valve body; 21, the second opening; 30, the second valve body; 40, cover body; 41, the 3rd opening; 42, the 4th opening; 50, floating block; 60, link; 61, head rod; 62, the second connecting rod; 100, pond body; 101, liquid port; 200, apocenosis passage; 201, hydrops section.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
According to an aspect of the present utility model, a kind of liquid discharging valve is provided, especially, be a kind of liquid discharging valve that can be applicable to the emergency oil pond of electric substation, as shown in Figure 1, this liquid discharging valve comprises: valve seat 10, is provided with the first opening 11 on valve seat 10; The first valve body 20, arranges accordingly to open or close on the first opening 11, the first valve bodies 20 with the first opening 11 and is provided with the second opening 21; The second valve body 30, arranges to open or close the second opening 21 accordingly with the second opening 21; Cover body 40, is arranged on the first valve body 20, and the second valve body 30 is arranged in cover body 40, offers the 3rd opening 41 on cover body 40.
Liquid discharging valve of the present utility model, when discharge opeing, first drives the second valve body 30, makes the second valve body 30 leave the second opening 21, and liquid is discharged from the second opening 21, the sphere of activities of cover body 40 restriction the second valve bodies 30.When needs are discharged liquid fast, the second valve body 30 drives the first valve body 20 by cover body 40, makes the first valve body 20 leave the first opening 11, and liquid is discharged from the first opening 11.When liquid discharging valve of the present utility model is applied in the emergency oil pond of electric substation, can regulate drain age velocity according to the liquid storage situation in emergency oil pond, for example under conventional state, only open the second valve body 30, with slow discharge opeing, when a large amount of oil water mixtures enter emergency oil pond, the second valve body 30 drives the first valve body 20 to open, thereby quick fluid-discharge guarantees that the liquid in emergency oil pond can not overflow.
Preferably, the second valve body 30 is taper, and the miner diameter end of the second valve body 30 is towards the direction setting of the first opening 11.The second valve body 30 of taper is convenient to insert the second opening 21, and such the second valve body 30 does not need accurate location, also can be good seal up the second opening 21.
Preferably, on cover body 40, also offer a plurality of the 4th openings 42.When the second valve body 30 drives the first valve body 20 to open, the second valve body 30 can prop up cover body 40, thereby enters cover body 40 from the second opening 21 discharges in order not affect liquid, also offers a plurality of the 4th openings 42 on cover body 40.
Preferably, valve seat 10 is provided with sealing gasket 12 on the end face of the first valve body 20.Preferably, sealing gasket 12 is rubber gaskets.
Preferably, liquid discharging valve also comprises floating block 50 and link 60, and floating block 50 is arranged on the outside of cover body 40, and floating block 50 is connected with the second valve body 30 by link 60.As shown in Figure 1, floating block 50 swims on liquid level, and when liquid level rising can make floating block 50 floatings, floating block 50 pulls the second valve body 30 to open by link 60, and liquid is discharged from the second opening 21.When the buoyancy of floating block 50 is enough large, floating block 50 can pull the second valve body 30, the second valve bodies 30 by cover body 40, to drive the first valve bodies 20 again, and then opens the first opening 11, and liquid is discharged faster from the first opening 11.When liquid level falls after rise, the first valve body 20 and the second valve body 30, under the effect of gravity and hydraulic pressure, fall back to closed position, and liquid discharging valve is closed.Preferably, link 60 is connecting rod or connection chain.
Preferably, link 60 comprises that head rod 61 and the second connecting rod 62, the second connecting rods 62 comprise floating block mounting end, hinged mounting end and the joint between floating block mounting end and hinged mounting end; One end of head rod 61 is connected with the second valve body 30, and the joint of the other end of head rod 61 and the second connecting rod 62 is hinged; Floating block 50 is arranged on the floating block mounting end of the second connecting rod 62.
According to another aspect of the present utility model, a kind of liquid storage tank is also provided, as shown in Figure 1, this liquid storage tank comprises pond body 100, pond body 100 comprises liquid port 101; Liquid storage tank also comprises above-mentioned liquid discharging valve, and the valve seat 10 of liquid discharging valve is arranged on the inwall of pond body 100, and the first opening 11 arranges accordingly with liquid port 101.
Preferably, link 60 comprises that head rod 61 and the second connecting rod 62, the second connecting rods 62 comprise floating block mounting end, hinged mounting end and the joint between floating block mounting end and hinged mounting end; One end of head rod 61 is connected with the second valve body 30, and the joint of the other end of head rod 61 and the second connecting rod 62 is hinged; Floating block 50 is arranged on the floating block mounting end of the second connecting rod 62; The hinged mounting end of the second connecting rod 62 is arranged on the inwall of pond body 100.When floating block 50 floating, can drive the second connecting rod 62 around the rotation of hinge mounting end, floating block mounting end and the joint of the second connecting rod 62 move upward, so the second valve body 30 under the drive of the second connecting rod 62, move upward, thereby open the second opening 21.
Preferably, liquid storage tank also comprises apocenosis passage 200, and the upstream extremity of apocenosis passage 200 is communicated with liquid port 101, and apocenosis passage 200 comprises the hydrops section 201 of extending upward; Liquid discharging valve also comprises floating block 50 and link 60, and floating block 50 is arranged on the outside of cover body 40, and floating block 50 is connected with the second valve body 30 by link 60; The height of the vertical direction of hydrops section 201 is less than or equal to the height of the vertical direction of link 60.Preferably, the area of the second opening 21 is less than the area of the first opening 11.
When the second valve body 30 is opened, liquid flows into apocenosis passage 200, but because the liquid in pond body 100 can apply pressure in the upper-end surface of the first valve body 20, cause the first valve body 20 to be pressed on valve seat 10, if so the second valve body 30 can not give the first valve body 20 enough pulling force, the first valve body 20 can not opened easily.
When liquid discharging valve is opened, liquid enters apocenosis passage 200, and makes the liquid level of hydrops section 201 increase, along with the liquid level rising of hydrops section 201, the pressure that liquid in apocenosis passage 200 gives the first valve body 20 lower end surfaces also can increase, and the pressure reduction of the both ends of the surface up and down of the first valve body 20 can dwindle.When the pressure reduction at first valve body two ends Shang Xia 20 approaches, the first valve body 20 will be opened easily, thereby discharges fast the liquid in pond body 100.In addition,, if floating block 50 can provide enough buoyancy, even if hydrops section 201, the first valve bodies 20 are not set, can not overcome the pressure of liquid yet, and be opened by force.
Preferably, in pond body 100, store the mixing material being formed by multiple immiscible liquid, and mixing material has at least one laminated fluid level; Liquid discharging valve also comprises floating block 50 and link 60, floating block 50 is arranged on the outside of cover body 40, floating block 50 is connected with the second valve body 30 by link 60, the density of floating block 50 is more than or equal to the density of liquid of the top layer of mixing material, and the density of floating block 50 is less than the density of liquid of the bottom of mixing material.
Preferably, liquid storage tank is the emergency oil pond in electric substation.In the pond body 100 of emergency oil pond, can store the mixing material of transformer oil and fire water, if the density of floating block 50 equals the density of transformer oil, floating block 50 sinks in transformer oil, and swims on the liquid level of water.Can realize like this liquid discharging valve and only discharge the water in pond body 100, and retain transformer oil, realize the effect of oil-water separation.
When liquid discharging valve of the present utility model and liquid storage tank are during as the liquid discharging valve of the emergency oil pond in electric substation and emergency oil pond, have and can realize only draining, the effect of not oil extraction; Do not need external power; Simple in structure, be convenient to be made into arbitrary dimension; And fabricating cost is low, to the advantage such as insensitive in batches.Can reduce the maintenance cost of emergency oil pond in electric substation like this, can also regulate drain age velocity according to the liquid storage situation in emergency oil pond, thereby improve the adaptability to changes of emergency oil pond.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a liquid discharging valve, is characterized in that, comprising:
Valve seat (10), is provided with the first opening (11) on described valve seat (10);
The first valve body (20), arranges to open or close described the first opening (11) accordingly with described the first opening (11), is provided with the second opening (21) on described the first valve body (20);
The second valve body (30), arranges to open or close described the second opening (21) accordingly with described the second opening (21);
Cover body (40), is arranged on described the first valve body (20) upper, and described the second valve body (30) is arranged in described cover body (40), offers the 3rd opening (41) on described cover body (40).
2. liquid discharging valve according to claim 1, is characterized in that, the area of described the second opening (21) is less than the area of described the first opening (11).
3. liquid discharging valve according to claim 1, is characterized in that, described the second valve body (30) is taper, and the miner diameter end of described the second valve body (30) is towards the direction setting of described the first opening (11).
4. liquid discharging valve according to claim 1, is characterized in that, also offers a plurality of the 4th openings (42) on described cover body (40).
5. liquid discharging valve according to claim 1, is characterized in that, described valve seat (10) on the end face of described the first valve body (20), be provided with sealing gasket (12).
6. liquid discharging valve according to claim 5, it is characterized in that, described liquid discharging valve also comprises floating block (50) and link (60), described floating block (50) is arranged on the outside of described cover body (40), and described floating block (50) is connected with described the second valve body (30) by described link (60).
7. liquid discharging valve according to claim 6, is characterized in that, described link (60) comprises head rod (61) and the second connecting rod (62),
Described the second connecting rod (62) comprises floating block mounting end, hinged mounting end and the joint between described floating block mounting end and described hinged mounting end;
One end of described head rod (61) is connected with described the second valve body (30), and the described joint of the other end of described head rod (61) and described the second connecting rod (62) is hinged;
Described floating block (50) is arranged on the floating block mounting end of described the second connecting rod (62).
8. a liquid storage tank, comprises pond body (100), and described pond body (100) comprises liquid port (101); It is characterized in that, described liquid storage tank also comprises the liquid discharging valve described in any one in claim 1 to 5, the valve seat of described liquid discharging valve (10) is arranged on the inwall of described pond body (100), and described the first opening (11) arranges accordingly with described liquid port (101).
9. liquid storage tank according to claim 8, is characterized in that,
Described liquid storage tank also comprises apocenosis passage (200), and the upstream extremity of described apocenosis passage (200) is communicated with described liquid port (101), and described apocenosis passage (200) comprises the hydrops section (201) of extending upward;
Described liquid discharging valve also comprises floating block (50) and link (60), and described floating block (50) is arranged on the outside of described cover body (40), and described floating block (50) is connected with described the second valve body (30) by described link (60);
The height of the vertical direction of described hydrops section (201) is less than or equal to the height of the vertical direction of described link (60).
10. liquid storage tank according to claim 9, is characterized in that, described link (60) comprises head rod (61) and the second connecting rod (62),
Described the second connecting rod (62) comprises floating block mounting end, hinged mounting end and the joint between described floating block mounting end and described hinged mounting end;
One end of described head rod (61) is connected with described the second valve body (30), and the described joint of the other end of described head rod (61) and described the second connecting rod (62) is hinged;
Described floating block (50) is arranged on the floating block mounting end of described the second connecting rod (62);
The hinged mounting end of described the second connecting rod (62) is arranged on the inwall of described pond body (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320474759.4U CN203516750U (en) | 2013-08-05 | 2013-08-05 | Drain valve and liquid storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320474759.4U CN203516750U (en) | 2013-08-05 | 2013-08-05 | Drain valve and liquid storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203516750U true CN203516750U (en) | 2014-04-02 |
Family
ID=50375682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320474759.4U Expired - Fee Related CN203516750U (en) | 2013-08-05 | 2013-08-05 | Drain valve and liquid storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203516750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343988A (en) * | 2013-08-05 | 2015-02-11 | 国家电网公司 | Drain valve and storage pond |
-
2013
- 2013-08-05 CN CN201320474759.4U patent/CN203516750U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343988A (en) * | 2013-08-05 | 2015-02-11 | 国家电网公司 | Drain valve and storage pond |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20180805 |
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| CF01 | Termination of patent right due to non-payment of annual fee |