CN2687444Y - Float liquid level control valve and gas-liquid separator - Google Patents
Float liquid level control valve and gas-liquid separator Download PDFInfo
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- CN2687444Y CN2687444Y CN 200420003931 CN200420003931U CN2687444Y CN 2687444 Y CN2687444 Y CN 2687444Y CN 200420003931 CN200420003931 CN 200420003931 CN 200420003931 U CN200420003931 U CN 200420003931U CN 2687444 Y CN2687444 Y CN 2687444Y
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- chamber
- valve rod
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Abstract
The utility model relates to a float liquid level control valve and gas-liquid separator, comprising a float, a valve rod, a sealing cover, an outer cover barrel, an inner cover barrel and an isolated barrel. The valve rod is a hollow tube; the sealing end of the valve rod is connected with the float; the side wall of the top end of the valve rod is provided with a side wall through hole; the inner cover barrel forms an inner cover barrel cavity with the sealing cover; an isolated layer cavity is formed between the inner wall of the outer cover barrel and the outer wall of the inner cover barrel; an isolated barrel cavity is formed between the bottom plate of the outer cover barrel and the bottom plate of the inner cover barrel; the isolated barrel cavity and the isolated layer cavity are connected; coaxial holes are arranged on the bottom plates of the outer cover barrel and the inner cover barrel; the valve rods passes through the coaxial hole to be arranged in the isolated barrel cavity and the inner cover barrel cavity; the side wall through hole moves as the valve rod to obtain the conduction /abruption between the isolated barrel cavity and the inner cover barrel cavity; the isolated layer cavity is connected with the outlet via a path on the sealing cover; the outer cover barrel and the inner coverbarrel are provided with paths to form an inlet connected with the inner cover barrel cavity.
Description
Technical field
The utility model relates to a kind of pressurized container and fluid level control valve, especially relates to a kind of gas-liquid separator that is used for the float type fluid level control valve of gas-liquid separator and uses the float type fluid level control valve.
Background technique
At present at pressurized container; particularly the fluid level control device that uses in the gas-liquid separator is divided into two kinds of mechanical type and electromagnetic types; for the mechanical fluid level control device of the general employing of flammable and combustible liquids; and mechanical automatic control of liquid device adopts the float-controlled valve structure more; import and export by the direct ON/OFF liquid of ball float road; in pressure vessel because the influence of variation in pressure and structural design; this structure appears at the phenomenon that fits badly, do not open when opening when closing through regular meeting, can't control break-make effectively automatically.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of nothing to press dry and relates to the float type fluid level control valve, liquid level control when being used for gas-liquid separation, can realize single gas, single liquid and the double function of gas-liquid by switch valve, solve the technical problem that valve fits badly, do not open when opening when closing.
In order to realize above-mentioned purpose better, a kind of float type fluid level control valve of the present invention, its characteristics are, comprising: float, valve rod, sealing cover, outer cover bucket, inner cover bucket, isolate a bucket chamber; Described valve rod is a hollow tube, and the closed end of described valve rod is connected with described float, has the sidewall through hole on the sidewall of the opening end of described valve rod; Described inner cover bucket and described sealing cover form inner cover bucket chamber, form the interlayer chamber between the outer wall of the inwall of described outer cover bucket and described inner cover bucket, form between the base plate of the base plate of described outer cover bucket and described inner cover bucket and isolate the bucket chamber, described isolation bucket chamber communicates with described interlayer chamber, the base plate of described outer cover bucket and inner cover bucket is provided with coaxial aperture, described valve rod passes described coaxial aperture and is arranged in described isolation bucket chamber and the inner cover bucket chamber, and described sidewall through hole moves with described valve rod and realizes described conducting/partition of isolating between bucket chamber and the inner cover bucket chamber; Described interlayer chamber links to each other with outlet by the passage on the described sealing cover, and described outer cover bucket is provided with closed channel with described inner cover bucket and forms the inlet that is communicated with described inner cover bucket chamber.
Above-mentioned float type fluid level control valve, its characteristics be, also offers the annular groove of placing seal ring on the coaxial aperture of the axis hole of described outer cover barrel soleplate and/or described inner cover barrel soleplate; Have the annular groove that seal ring is set on the outer side wall of described valve rod middle part.
Above-mentioned float type fluid level control valve, its characteristics are that described valve rod is connected with described float by hinging par.
Above-mentioned float type fluid level control valve, its characteristics are that described valve rod is connected with described float with connecting rod by hinging par successively.
Above-mentioned float type fluid level control valve, its characteristics are, also comprise a spacing pad, and described spacing pad is arranged on the described valve rod closed end outer side wall.
Above-mentioned float type fluid level control valve, its characteristics are that described hinging par is arranged on the centre of described connecting rod, and an end of described connecting rod is hinged on the fixing rod, the other end of described connecting rod connects an end of described float, and the other end of described float is installed on the fixed guide.
Above-mentioned float type fluid level control valve, its characteristics are that described connecting rod is connected with described float by the CRJ fast connecting joint.
Above-mentioned float type fluid level control valve, its characteristics are that the described sealing cover outside also is equipped with a lid, forms a space between described lid and the described sealing cover, in the middle of the described lid described outlet is set, the passage on the described sealing cover is communicated with described outlet by described space.
Above-mentioned float type fluid level control valve, its characteristics are that the passage on described sidewall through hole or the described sealing cover is a plurality of.
Above-mentioned float type fluid level control valve, its characteristics are that described isolation bucket chamber is communicated with described interlayer chamber by a plurality of through holes.
The utility model also has a purpose to provide a kind of gas-liquid separator that adopts the float liquid level control valve, and its steady flow result is good, is convenient to the control of gas-liquid layering and liquid level.
For this reason, the utility model provides a kind of gas-liquid separator, comprise tank body that has import and outlet and the fluid level control valve that is installed in the outlet port, its characteristics are that described fluid level control valve comprises again: float, valve rod, sealing cover, outer cover bucket, inner cover bucket, an isolation bucket chamber; Described valve rod is a hollow tube, and the closed end of described valve rod is connected with described float, has the sidewall through hole on the sidewall of the opening end of described valve rod; Described inner cover bucket and described sealing cover form inner cover bucket chamber, form the interlayer chamber between the outer wall of the inwall of described outer cover bucket and described inner cover bucket, form between the base plate of the base plate of described outer cover bucket and described inner cover bucket and isolate the bucket chamber, described isolation bucket chamber communicates with described interlayer chamber, the base plate of described outer cover bucket and inner cover bucket is provided with coaxial aperture, described valve rod passes described coaxial aperture and is arranged in described isolation bucket chamber and the inner cover bucket chamber, and described sidewall through hole moves with described valve rod and realizes described conducting/partition of isolating between bucket chamber and the inner cover bucket chamber; Described interlayer chamber links to each other with outlet by the passage on the described sealing cover, and described outer cover bucket is provided with closed channel with described inner cover bucket and forms the inlet that is communicated with described inner cover bucket chamber.
Above-mentioned gas-liquid separator, its characteristics be, at the axis hole of described outer cover barrel soleplate or/and also offer the annular groove of placing seal ring on the coaxial aperture of described inner cover barrel soleplate; Have the annular groove that seal ring is set on the outer side wall of described valve rod middle part.
Above-mentioned float type fluid level control valve, its characteristics are, also comprise a spacing pad, and described spacing pad is arranged on the described valve rod closed end outer side wall.
Above-mentioned gas-liquid separator, its characteristics be, described fluid level control valve is in two two outlets that are separately positioned on described tank body.
Above-mentioned gas-liquid separator, its characteristics are, described valve rod is connected with described float by hinging par successively, described hinging par is arranged on the centre of described connecting rod, one end of described connecting rod is hinged on the fixing rod, the other end of described connecting rod connects an end of described float, and the other end of described float is installed on the fixed guide, and described fixing rod and fixed guide are installed on the described inner tank wall.
Above-mentioned float type fluid level control valve can change adjusting area of passage automatically by the buoyancy and the gravitational difference of float owing to adopted the float linkage mechanism, reaches the purpose of regulating flow.After liquid level arrives the highest predetermined liquid level, open liquid road valve automatically, close the gas circuit valve simultaneously, carry out discharge opeing; After liquid level arrives predetermined minimum liquid level, close liquid road valve automatically, open the gas circuit valve simultaneously, carry out exhaust; Thereby realized the function of gas-liquid separator automatic vent discharge opeing.
Model utility has adopted the float liquid level control valve control structure of Purely mechanical, and is safe and reliable, is particularly useful for the difficult pressure vessels that have that adopt charged liquid level sensor of liquid level control such as oil product.
Said structure has in container under the situation of pressure, and this structure can realize that float is not subjected to the influence of ambient pressure.
Describe specific embodiments of the present utility model in detail further combined with accompanying drawing below.
Description of drawings
A kind of monomer float type fluid level control valve that Fig. 1 discloses for the utility model;
Fig. 2 is the valve body structure schematic representation of Fig. 1 float type fluid level control valve;
Fig. 3 is the stem structure schematic representation of Fig. 1 float type fluid level control valve;
Fig. 4 is the plan view of Fig. 3;
A kind of schematic representation that adopts the gas-liquid separator of two float type fluid level control valves that Fig. 5 discloses for the utility model.
Embodiment
At Fig. 1, Fig. 2, among Fig. 3 and Fig. 4, the utility model has disclosed a kind of monomer float type fluid level control valve, it mainly comprises lid 6, sealing cover 7, sealing cover seal ring 8, valve rod 9, sidewall through hole 91, outer cover bucket 10, inner cover bucket 11, isolate bucket chamber 112, interlayer chamber 100, inner cover bucket chamber 110, hinge member 5, float 2, the spacing pad 12 of O type, wherein, the centre of lid 6 is provided with outlet 61, form a space 60 between lid 6 and the sealing cover 7, also be provided with sealing cover seal ring 8 between lid 6 and the sealing cover 7, a plurality of passages 71 on the sealing cover 7 are communicated with outlet 61 by space 60; This valve rod 9 is a hollow tube, and the closed end of valve rod 9 is connected with float 2 by hinge member 5, has the sidewall through hole 91 of 8 rectangles on the top sidewall of valve rod 9; Sealing forms an inner cover bucket chamber 110 between inner cover bucket 11 and the sealing cover 7, sealing forms interlayer chamber 100 between the outer wall of the inwall of outer cover bucket 10 and inner cover bucket 11, sealing forms and isolates bucket chamber 112 between outer cover barrel soleplate 101 and the inner cover barrel soleplate 111, isolating bucket chamber 112 communicates with interlayer chamber 100 by the rectangular opening 112a on its sidewall, outer cover barrel soleplate 101 is provided with axis hole 101a, inner cover barrel soleplate 111 is provided with coaxial aperture 111a, this valve rod 9 passes axis hole 101a and coaxial aperture 111a advances in section isolation bucket chamber 112 and the inner cover bucket chamber 110, and the sidewall through hole 91 on this valve rod 9 moves to make to isolate between bucket chamber 112 and the inner cover bucket chamber 110 with valve rod 9 realizes conducting/partition; Outer cover bucket 10 is provided with 4 closed channel 110a with inner cover bucket 11 and is communicated with inner cover bucket chamber 110.
In order to improve sealing, on the axis hole 101a of outer cover barrel soleplate 101, offer a pair of annular groove 101b and place O-ring seals or rectangular seal, on the coaxial aperture 111a of inner cover barrel soleplate 111, also can offer annular groove placement O-ring seals certainly sealing further is provided.In addition, the closed end outer side wall of valve rod 9 is provided with the spacing pad 12 of O shape.When the sidewall through hole 91 of valve rod 9 moves to inner cover bucket chamber 110 on fully, this inner cover bucket chamber 110 and isolation bucket chamber 112 are isolated (gas that enters inner cover bucket chamber 110 by closed channel 110a can't enter isolation barrel chamber 112 and interlayer chamber 100 by the sidewall through hole 91 of valve rod 9), and this spacing pad 12 moves with valve rod 9 and props up outer cover barrel soleplate 101.
In addition, on valve rod 9 middle part outer side walls, have the annular groove that seal ring 92 is set.
This hinge member 5 comprises hinging shaft 51 and hinge base 14 again, have chute 141 on the hinge base 14, hinging shaft 51 is arranged on the liquid level difference just to guarantee that valve rod 9 moves in vertical direction, also can remedy automatically simultaneously to cause because of the liquid level slight fluctuations in the chute 141.
In Fig. 5, disclosed another embodiment of the present utility model, it is a kind of gas-liquid separator that adopts two float type fluid level control valves, this gas-liquid separator comprises that tank body 1 and nothing press dry and relates to the float type fluid level control valve, this nothing press dry and relates to the float type fluid level control valve is two float type fluid level control valves, wherein, each fluid level control valve structure and float type fluid level control valve structure shown in Figure 1 are basic identical, difference only is also to be provided with a connecting rod 4 between hinge member 5 and float 2, one end of connecting rod 4 is hinged on the fixing rod 13 by hinging shaft 131, the other end of connecting rod 4 is connected to an end of float 2 by CRJ fast connecting joint 3, and the other end of this float 2 also is installed on the fixed guide 25 by slide block 22.Fixing rod 13 and fixed guide 25 are separately fixed on the tank body 1.On tank body 1, install motion that the guide rail 25 of float 2 can control float 2 additional at above-below direction, and can float 2 is fixing in the transportation process, reduce vibrations and collides with.Owing to adopt CRJ fast connecting joint 3 between float 2 and the connecting rod 4, can carry out the dismounting combination fast.
As can be seen from Figure 5, the fluid level control valve that the top is provided with is used for divided gas flow, and the fluid level control valve that the below is provided with is used for separating liquid.But because valve rod 9 unrestricted motion under the drive of float 2 and connecting rod 4, between the coaxial aperture 111a of the axis hole 101a of valve rod 9 and outer cover barrel soleplate 101 and inner cover barrel soleplate 111, often keep certain interval for this reason.For guaranteeing that liquid road or gas circuit close fully, adopted two O RunddichtringO sealing structures to live in to state the gap.Like this, gas circuit or liquid road runner can only be the hollow cavities that enters valve rod 9 through inner cover bucket chamber 110, rectangular side wall through hole 91 through valve rod 9 sidewalls enters an isolation bucket chamber 112, enters the interlayer chamber 100 of outer cover bucket 10 and inner cover bucket 11, flows out through gas circuit or liquid way outlet again.Even gas is carried a spot of drop secretly, this flow passage structure can reduce the possibility that liquid enters the gas circuit outlet.
When carrying out operation, float 2 is because action of gravity is in its extreme lower position, at this moment, below the hydraulic fluid side, the rectangular side wall through hole 91 of valve rod 9 is in fully isolates in the bucket chamber 112, isolate with inner cover bucket chamber 110, and with inner cover bucket 11 and outer cover bucket 10 between the interlayer chamber 100 that forms can't be communicated with, the outlet 61 on liquid road is closed.At this moment, in gas one side, the rectangular side wall through hole 91 on the valve rod 9 is in fully isolates in the bucket chamber 112, is communicated with the cavity runner in interlayer chamber 100, and the outlet 61 of gas circuit is opened.Gas-liquid mixture enters into by import 30 in the tank body 1 of gas-liquid separator, and gas is discharged from gas outlet 61, and liquid accumulates in tank body 1, and this gas-liquid separator is in an operating mode of not discharge opeing of exhaust.
Cause liquid level to raise along with liquid accumulates to increase, float 2 relies on the buoyancy function come-up, in liquid one side, the part of the sidewall through hole 91 of valve rod 9 is in the inner cover bucket chamber 110, a part is in isolates in the bucket chamber 112, promptly is communicated with interlayer chamber 100 parts, and the outlet 61 on liquid road partially opens.Meanwhile, in gas one side, sidewall through hole 91 parts of valve rod 9 are in isolates in the bucket chamber 112, and part is in the inner cover bucket chamber 110, promptly is communicated with interlayer chamber 100 parts, and the outlet 61 of gas circuit partially opens.At this moment, gas is discharged from the outlet 61 of gas, and liquid is discharged from the outlet 61 on liquid road, and this gas-liquid separator is in the operating mode of not only exhaust but also discharge opeing.
After liquid level was elevated to the precalculated position, the through hole 91 of the valve rod 9 of liquid one side was in when isolating in the bucket chamber 112 fully, and the runner that is communicated with interlayer chamber 100 is communicated with, and the outlet 61 on liquid road is opened; The sidewall through hole 91 of the valve rod 9 of gas one side is in the inner cover bucket chamber 110 fully, isolates with isolation bucket chamber 112, and the cavity runner in interlayer chamber 100 can't be communicated with, and the outlet 61 of gas circuit is closed.At this moment, liquid can only be discharged from the outlet 61 on liquid road, and this gas-liquid separator is in the operating mode of a not exhaust discharge opeing.
In addition, relative suction port is set the tank body 1 of this gas-liquid separator and liquid entering hole is provided with the gas oral region on top and the liquid-inlet district of bottom, and be respectively equipped with erosion control water conservancy diversion stream plate washer 31 at air inlet liquid mouth.Float ventilation mouth 21 is installed on float 2.
This gas-liquid separator separates effect is obvious, does not have to press dry to relate to the float type fluid level control valve and can carry out the recloser action safely and reliably, has realized automatic control of liquid level very effectively, has particularly solved the pressure vessel automatic control of liquid level.
In addition, this control valve is the influence of receptor inside and outside differential pressure not, the float bar linkage structure, and quality and buoyancy with coupling, float rely on the difference of buoyancy and gravity to move valve rod, open and close the liquid way outlet and control liquid level automatically.Owing to designed flow passage structure dexterously, can realize a not discharge opeing of exhaust, not only exhaust but also discharge opeing, three kinds of operating modes of a not exhaust discharge opeing again; Between movement parts and static element, adopt reliable seal with O ring, realize reliable, mechanical motive sealing.The dismounting combination also is convenient in its modular design.
Claims (14)
1, a kind of float type fluid level control valve is characterized in that, comprising: float, valve rod, sealing cover, outer cover bucket, inner cover bucket, an isolation bucket chamber; Described valve rod is a hollow tube, and the closed end of described valve rod is connected with described float, has the sidewall through hole on the top sidewall of described valve rod; Described inner cover bucket and described sealing cover form inner cover bucket chamber, form the interlayer chamber between the outer wall of the inwall of described outer cover bucket and described inner cover bucket, form between the base plate of the base plate of described outer cover bucket and described inner cover bucket and isolate the bucket chamber, described isolation bucket chamber communicates with described interlayer chamber, the base plate of described outer cover bucket and inner cover bucket is provided with coaxial aperture, described valve rod passes described coaxial aperture and is arranged in described isolation bucket chamber and the inner cover bucket chamber, and described sidewall through hole moves with described valve rod and realizes described conducting/partition of isolating between bucket chamber and the inner cover bucket chamber; Described interlayer chamber links to each other with outlet by the passage on the described sealing cover, and described outer cover bucket is provided with closed channel with described inner cover bucket and forms the inlet that is communicated with described inner cover bucket chamber.
2, float type fluid level control valve according to claim 1 is characterized in that, at the axis hole of described outer cover barrel soleplate or/and also offer the annular groove of placing seal ring on the coaxial aperture of described inner cover barrel soleplate; Have the annular groove that seal ring is set on the outer side wall of described valve rod middle part.
3, float type fluid level control valve according to claim 1 and 2 is characterized in that, described valve rod is connected with described float by hinging par; Perhaps described valve rod is connected with described float with connecting rod by hinging par successively.
4, float type fluid level control valve according to claim 1 and 2 is characterized in that, also comprises a spacing pad, and described spacing pad is arranged on the described valve rod closed end outer side wall.
5, float type fluid level control valve according to claim 4, it is characterized in that, described hinging par is arranged on the centre of described connecting rod, one end of described connecting rod is hinged on the fixing rod, the other end of described connecting rod connects an end of described float, and the other end of described float is installed on the fixed guide.
6, float type fluid level control valve according to claim 4 is characterized in that, described connecting rod is connected with described float by the CRJ fast connecting joint.
7, according to claim 1,2,5 or 6 described float type fluid level control valves, it is characterized in that, the described sealing cover outside also is equipped with a lid, form a space between described lid and the described sealing cover, in the middle of the described lid described outlet is set, the passage on the described sealing cover is communicated with described outlet by described space.
8, according to claim 1,2,5 or 6 described float type fluid level control valves, it is characterized in that the passage on described sidewall through hole or the described sealing cover is a plurality of.
9, float type fluid level control valve according to claim 8 is characterized in that, described isolation bucket chamber is communicated with described interlayer chamber by a plurality of through holes.
10, a kind of gas-liquid separator comprises tank body that has import and outlet and the fluid level control valve that is installed in the outlet port, it is characterized in that described fluid level control valve comprises again: float, valve rod, sealing cover, outer cover bucket, inner cover bucket, isolation bucket; Described valve rod is a hollow tube, and the closed end of described valve rod is connected with described float, has the sidewall through hole on the sidewall of the opening end of described valve rod; Described inner cover bucket and described sealing cover form inner cover bucket chamber, form the interlayer chamber between the outer wall of the inwall of described outer cover bucket and described inner cover bucket, form between the base plate of the base plate of described outer cover bucket and described inner cover bucket and isolate the bucket chamber, described isolation bucket chamber communicates with described interlayer chamber, the base plate of described outer cover bucket and inner cover bucket is provided with coaxial aperture, described valve rod passes described coaxial aperture and is arranged in described isolation bucket chamber and the inner cover bucket chamber, and described sidewall through hole moves with described valve rod and realizes described conducting/partition of isolating between bucket chamber and the inner cover bucket chamber; Described interlayer chamber links to each other with outlet by the passage on the described sealing cover, and described outer cover bucket is provided with closed channel with described inner cover bucket and forms the inlet that is communicated with described inner cover bucket chamber.
11, according to the described gas-liquid separator of claim 10, it is characterized in that, at the axis hole of described outer cover barrel soleplate or/and also offer the annular groove of placing O-ring seals on the coaxial aperture of described inner cover barrel soleplate; Have the annular groove that seal ring is set on the outer side wall of described valve rod middle part.
According to the described gas-liquid separator of claim 10, it is characterized in that 12, described fluid level control valve is in two two outlets that are separately positioned on described tank body.
13, according to the described gas-liquid separator of claim 12, it is characterized in that, described valve rod is connected with described float by hinging par successively, described hinging par is arranged on the centre of described connecting rod, one end of described connecting rod is hinged on the fixing rod, the other end of described connecting rod connects an end of described float, and the other end of described float is installed on the fixed guide, and described fixing rod and fixed guide are installed on the described inner tank wall.
14, according to the described gas-liquid separator of claim 10, it is characterized in that, also comprise a spacing pad, described spacing pad is arranged on the described valve rod closed end outer side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420003931 CN2687444Y (en) | 2004-03-11 | 2004-03-11 | Float liquid level control valve and gas-liquid separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420003931 CN2687444Y (en) | 2004-03-11 | 2004-03-11 | Float liquid level control valve and gas-liquid separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2687444Y true CN2687444Y (en) | 2005-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420003931 Expired - Fee Related CN2687444Y (en) | 2004-03-11 | 2004-03-11 | Float liquid level control valve and gas-liquid separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2687444Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996892A (en) * | 2012-12-11 | 2013-03-27 | 施建刚 | Time delaying valve |
| CN107178358A (en) * | 2017-07-03 | 2017-09-19 | 新疆熙泰石油装备有限公司 | Liquid-level pressure adjusting means and the gs-oil separator of external liquid-level pressure regulation |
| CN110119164A (en) * | 2019-05-15 | 2019-08-13 | 北京科瑞乐航空油料设备有限公司 | A kind of self-check type magnetic controlled liquid level valve |
| CN111616664A (en) * | 2019-02-28 | 2020-09-04 | 三花亚威科电器设备（芜湖）有限公司 | Breathing and distributing integrated device |
| CN112178463A (en) * | 2020-09-09 | 2021-01-05 | 杭州勃扬能源设备有限公司 | Liquid separating device for petroleum associated gas conveying |
| CN112797220A (en) * | 2020-12-30 | 2021-05-14 | 森诺技术有限公司 | Double-acting float link mechanism for controlling liquid level of split equipment |
-
2004
- 2004-03-11 CN CN 200420003931 patent/CN2687444Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996892A (en) * | 2012-12-11 | 2013-03-27 | 施建刚 | Time delaying valve |
| CN107178358A (en) * | 2017-07-03 | 2017-09-19 | 新疆熙泰石油装备有限公司 | Liquid-level pressure adjusting means and the gs-oil separator of external liquid-level pressure regulation |
| CN111616664A (en) * | 2019-02-28 | 2020-09-04 | 三花亚威科电器设备（芜湖）有限公司 | Breathing and distributing integrated device |
| CN111616664B (en) * | 2019-02-28 | 2023-08-11 | 三花亚威科电器设备（芜湖）有限公司 | Breath distribution integrated device |
| CN110119164A (en) * | 2019-05-15 | 2019-08-13 | 北京科瑞乐航空油料设备有限公司 | A kind of self-check type magnetic controlled liquid level valve |
| CN112178463A (en) * | 2020-09-09 | 2021-01-05 | 杭州勃扬能源设备有限公司 | Liquid separating device for petroleum associated gas conveying |
| CN112797220A (en) * | 2020-12-30 | 2021-05-14 | 森诺技术有限公司 | Double-acting float link mechanism for controlling liquid level of split equipment |
| CN112797220B (en) * | 2020-12-30 | 2022-11-22 | 森诺技术有限公司 | Double-acting float link mechanism for controlling liquid level of split equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050323 Termination date: 20130311 |