CN1101111A - Pressure self-adaption float - Google Patents
Pressure self-adaption float Download PDFInfo
- Publication number
- CN1101111A CN1101111A CN 93117962 CN93117962A CN1101111A CN 1101111 A CN1101111 A CN 1101111A CN 93117962 CN93117962 CN 93117962 CN 93117962 A CN93117962 A CN 93117962A CN 1101111 A CN1101111 A CN 1101111A
- Authority
- CN
- China
- Prior art keywords
- float
- float body
- liquid device
- siphunculus
- inner chamber
- 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.)
- Granted
Links
Images
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The present invention discloses a pressure self-adaptive float. It consists of float body, liquid-resisting device and through tube. The liquid-resisting device is a hollow cavity body, and positioned on its float body, and its lower portion has a hole, the trough tube and the float body are tightly coupled, and its lower end is positioned in the cavity of the float body, and its upper end is positioned in the cavity of liquid-resisting device and is over the above-said hole, and the inner cavity of the float body is connected with the gas-phase of container by means of through tube and said hole, so as to implement the automatic equilibration of internal and external pressures of the float. Said float has the advantages of small volume, light weight, low cost and unlimited pressure resistance, etc..
Description
The present invention relates to a kind of pressure self-adaption float, it can be applicable to float type level gauge that pressure medium uses, liquid-level switch as sensing part, and also can be used for the float is the valve of relying on oneself, STEAM TRAP etc. of sensing actuating member.
Existing float all is a sealed mode, and the measure that the voltage endurance capability of raising float is generally taked is: increase wall thickness; Segmentation is set up and is strengthened hoop; Adopt expensive high strength, low density material such as titanium material etc.; Also can take measures from the structure shape aspect, withstand voltage best as ball float, can adopt a plurality of ball floats to be associated in together and use as a float.In actual applications, often above-mentioned several measures are taken all factors into consideration.The float that adopts above-mentioned measure to make, it is big to have a volume, and structure is complicated, shortcomings such as cost height; Take all factors into consideration the relation of float volume and weight, when pressure was higher, the float that low-density medium uses was difficult for realizing, has promptly dwindled Media density Applicable scope; And the voltage endurance capability of taking above-mentioned measure to improve float also is limited.
In view of the shortcoming that exists in the above-mentioned prior art, the purpose of this invention is to provide a kind of pressure self-adaption float, its internal pressure can be along with the variation in pressure in the container respective change, make the internal and external pressure balance of float, fundamentally solve the problem of withstand voltage of float.
Technical solution of the present invention is: this pressure self-adaption float is by float body, and siphunculus and anti-liquid device are formed, and anti-liquid device is a hollow cavity, is positioned on the float body, and the bottom of anti-liquid device has the hole; Siphunculus and float body sealed attachment, its lower end is positioned at body cavity, and the upper end is positioned at anti-liquid device chamber and is higher than its underpart perforate, and the float body inner chamber communicates with anti-liquid device inner chamber by siphunculus, is communicated by the outer gas phase of perforate and float again.
During application, in the gas of tapping on the medium liquid level of the anti-liquid device bottom of float, the float body inner chamber communicates with the container gas phase by siphunculus, anti-liquid device inner chamber and the bottom perforate of anti-liquid device, realizes float external and internal pressure autobalance.
The principle because above-mentioned pressure self-adaption float is interlinked to the outside in having adopted, withstand voltage unlimited, fundamentally solved the problem of withstand voltage of float; Even as high pressure, ultrahigh pressure float, its wall thickness also can be thin as the float that atmospheric dielectric uses, thereby float is in light weight, and volume is little, and cost is low, can also be applicable to low-density medium.
Below in conjunction with accompanying drawing the present invention is elaborated.
Fig. 1 is first embodiment's of a pressure self-adaption float of the present invention sectional view.
Fig. 2 is another embodiment's of a pressure self-adaption float of the present invention sectional view.
In the sectional view shown in Figure 1, be provided with anti-liquid device (2) on the open column shape float body (1), both weld connection.Anti-liquid device (2) is actually a hollow cap, and its foot has hole (4), and hole (4) aperture is unsuitable too small, with swimmingly from the anti-interior discharge opeing degree of being of liquid device (2).The roof sealed attachment (welding) of siphunculus (3) and float body (1), the float body intracavity bottom is directed reach in its lower end, and the underpart is a slope mouth, and interior top of chamber of anti-liquid device (2) and slightly downward elbow are directed reach in the upper end.
Float vertically swims in the medium (5) during application, in normal state, float prevents that the perforate (4) of liquid device (2) bottom is exposed in the gas on medium (5) liquid level, float body (1) inner chamber communicates with the container gas phase by siphunculus (3) and anti-liquid device bottom perforate (4), float body (1) chamber pressure is changed with the variation of container inner pressure, realize float external and internal pressure autobalance.When the medium level fluctuation when big or abnormal condition such as medium canful, hole (4) is immersed in the medium, and a little medium can enter anti-liquid device (2) by hole (4), and the gas in anti-liquid device of compression and the float body, make it pressure and raise, stoped the continuation feed liquor.In the case, if container inner pressure raises, the fluid column that enters anti-liquid device (2) inner chamber when fluid column rises to the siphunculus upper end-hole, has reached the capacity limit that anti-liquid device (2) prevents feed liquor also with corresponding rising.If this moment, container pressure raise again, medium will enter float body (1) inner chamber.Therefore, though pressure self-adaption float is withstand voltage unlimited, float is operated in the designed anti-liquid capacity limit scope.Following surface analysis is Floater Structure parameter and each relationship between parameters of technology once.If medium submergence hole (4) the interior pressure of container constantly is P
1, temperature is T
1, the pressure when the anti-interior fluid column of liquid device (2) reaches siphunculus (3) upper end-hole (can think that medium is full of anti-liquid device (2) inner chamber) is P
2, temperature is T
2; Float body (1) volume is V
This, the anti-volume of liquid device (2) more than perforate (4) is V
Anti-, hole (4) are H to perpendicular distance between siphunculus (3) upper end-hole, the density of medium (5) is γ, can get according to equation of state of gas PV=ZnRT:
P
1(V
This+ V
Anti-)=Z
1NRT
1
(P
2-H γ) V
This=Z
2NRT
2
Then: (P
1(V
This+ V
Anti-))/(Z
1T
1)=((P
2-H
y) V
This)/(Z
2T
2) (1)
Formula (1) is exactly the structural parameter V of pressure self-adaption float
This, V
Anti-, the relation between H and technology and medium parameter.
In the formula (1), Z
1For gas phase gas in the container at P
1, T
1Compressibility factor under the state can be by P
1, T
1And the calculating of the critical parameter of gas is tabled look-up and can be got; Z
2Be P
2, T
2Compressibility factor under the state in like manner also can obtain.
Under the high-pressure situations, H
γRelative P
2Can ignore, then (1) formula can be reduced to: (P
1(V
This+ V
Anti-))/(Z
1T
1)=(P
2V
This)/(Z
2T
2) (2)
In actual applications can be according to Media density, gas phase component, process parameter (pressure, temperature), the process parameter that comprises abnormal condition, by each structural parameter of formula (1) and/or (2) calculating pressure self-adaption float, and reasonably design, can make pressure self-adaption float in each practical application, ensure not to float body (1) inner chamber feed liquor, to reach the purpose of pressure self-adaption float reliable operation reliably.
In a single day above-mentioned abnormal condition is eliminated, and promptly the medium liquid level drops under the hole (4), and the liquid in the anti-liquid device (2) can be by hole (4) discharge automatically.
With the passing of time float body (1) inner chamber may have lime set and accumulate, thereby will be inserted into the lower end mouth fluid-tight of the siphunculus (3) of its bottom, when the float pressure outside slightly descends, because the effect of float inside and outside differential pressure makes lime set discharge along siphunculus (3) and hole (4).
Also can design another embodiment of pressure self-adaption float according to same inventive concept.Fig. 2 is its sectional view, in Fig. 2, is provided with the anti-liquid device (2) of open column shape on the float body of hollow ball-shape (1 '), and both weld connection.Anti-liquid device (2) foot has hole (4), and hole (4) are unsuitable too small, with can be swimmingly from the anti-interior discharge opeing degree of being of liquid device (2).There is a guide rod sleeve pipe (6) to run through anti-liquid device (2) and float body (1 ') up and down, its upper end and anti-liquid device (2) roof sealed attachment, the diapire sealed attachment of lower end and float body (1 ').The guide rod sleeve pipe is with siphunculus (3 ') outward; Siphunculus (3 ') is coaxial with guide rod sleeve pipe (6), anti-liquid device (2) and float body (1 '), form circular cylindrical passage (7) like this between the outer wall of the inwall of siphunculus (3) and guide rod sleeve pipe (6), this passage (7) should be narrow as far as possible, but with the unimpeded degree of being of gas-liquid.Siphunculus (3 ') and float body (1 ') roof sealed attachment, siphunculus (3 ') is gone up and is supported anti-liquid device (2) top, support float body (1 ') bottom down, float body (1 ') inner chamber is communicated with anti-liquid device (2) inner chamber by annular pass (7), communicate by the outer gas phase of hole (4) and float again.Realize float external and internal pressure autobalance.
When this pressure self-adaption float is used, insert a guide rod (not shown) in its guide rod sleeve pipe (6), guide rod is perpendicular to the liquid level of medium (5), and float is along with the lifting of liquid level, and is upper and lower mobile along guide rod.In normal working, hole (4) are exposed in the gas on medium (5) liquid level, and float body (1 ') inner chamber communicates by annular pass (7) and hole (4) and the outer gas phase of float, realizes float external and internal pressure autobalance.
Present embodiment prevents that liquid device (2) prevents the principle of float body (1 ') inner chamber feed liquor, relation between Floater Structure parameter and medium, process parameter, and the discharge principle of the interior lime set of float body (1 ') is identical with the embodiment of Fig. 1, does not repeat them here.
Certainly the shape of float body (1) or (1 ') and anti-liquid device (2) is not limited to above-mentioned two embodiments' shape, also can be designed to other shapes.Among above-mentioned two embodiments, float body (1) or (1 ') all are directly to go up lower link (welding) with anti-liquid device (2), certainly both also can upper and lowerly keep at a certain distance away, and link indirectly by siphunculus (3) or (3 ') and/or other parts, during this kind situation, anti-liquid device (2) bottom perforate (4) can be opened in its bottom.
Among above-mentioned two embodiments, siphunculus (3) or (3 ') are injected its inner chamber by the top of body (1) or (1 ') and are reached the bottom, can certainly be designed to insert float body (1) or (1 ') inner chamber by bottom or other positions, what but no matter insert from position, siphunculus (3) or (3 ') and the necessary sealed attachment in the insertion position of float body (1) or (1 '), and the lower end of siphunculus is positioned at the intracavity bottom of float body (1) or (1 ').Among above-mentioned two embodiments, siphunculus (3) or (3 ') enter its inner chamber by the bottom of anti-liquid device (2), certainly also can enter its inner chamber by its top or other positions, this kind situation, siphunculus (3) and the necessary sealed attachment of the entry site of anti-liquid device (2), and the upper end is positioned at anti-liquid device (2) top of chamber.
Claims (3)
1, a kind of pressure self-adaption float is characterized in that: it is by float body, and siphunculus and anti-liquid device (2) are formed; Anti-liquid device (2) is a hollow cavity, is positioned on the float body, and the bottom of anti-liquid device has hole (4); Siphunculus and float body sealed attachment, its lower end is positioned at the float body chamber, the upper end is positioned at anti-liquid device (2) chamber and is higher than perforate (4), and the inner chamber of float body communicates with anti-liquid device (2) inner chamber by siphunculus, is communicated by the outer gas phase of perforate (4) and float again.
2, pressure self-adaption float according to claim 1 is characterized in that, said float body is open column shape float body (1), the intracavity bottom that float body (1) is directed reach in siphunculus (3) lower end, and the underpart is a slope mouth; The top of anti-liquid device inner chamber is directed reach in the upper end, and slightly downward elbow.
3, pressure self-adaption float according to claim 1, it is characterized in that, said float body is hollow ball-shape float body (1 '), there is a guide rod sleeve pipe (6) to run through anti-liquid device (2) and float body (1 ') up and down, its upper end and anti-liquid device (2) roof sealed attachment, the diapire sealed attachment of lower end and float body (1 '), the guide rod sleeve pipe is with siphunculus (3 ') outward, siphunculus (3 ') and guide rod sleeve pipe (6), anti-liquid device (2) and float body (1 ') are coaxial, form circular cylindrical passage (7) between the outer wall of the inwall of siphunculus (3 ') and guide rod sleeve pipe (6); Siphunculus (3 ') and float body (1 ') roof sealed attachment, siphunculus (3 ') are gone up and are supported anti-liquid device (2) top, support float body (1 ') bottom down; Float body (1 ') inner chamber communicates with anti-liquid device (2) inner chamber by annular pass (7), is communicated by the outer gas phase of hole (4) and float again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93117962A CN1038158C (en) | 1993-09-29 | 1993-09-29 | Pressure self-adaption float |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93117962A CN1038158C (en) | 1993-09-29 | 1993-09-29 | Pressure self-adaption float |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1101111A true CN1101111A (en) | 1995-04-05 |
| CN1038158C CN1038158C (en) | 1998-04-22 |
Family
ID=4992248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93117962A Expired - Fee Related CN1038158C (en) | 1993-09-29 | 1993-09-29 | Pressure self-adaption float |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1038158C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1110344C (en) * | 1995-06-30 | 2003-06-04 | 液体空气乔治洛德方法利用和研究的具有监督和管理委员会的有限公司 | Process and device for preparation of flow which is ubstantially purified with respect to at least one of impurities oxygen and carbon monoxide |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU417667A1 (en) * | 1971-10-05 | 1974-02-28 | ||
| CN2129854Y (en) * | 1992-06-20 | 1993-04-14 | 高和平 | Special floating ball for automatic drain hot water box |
-
1993
- 1993-09-29 CN CN93117962A patent/CN1038158C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1110344C (en) * | 1995-06-30 | 2003-06-04 | 液体空气乔治洛德方法利用和研究的具有监督和管理委员会的有限公司 | Process and device for preparation of flow which is ubstantially purified with respect to at least one of impurities oxygen and carbon monoxide |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1038158C (en) | 1998-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2165429Y (en) | Self-adaptive pressure float | |
| CN1038158C (en) | Pressure self-adaption float | |
| CN2170506Y (en) | Multi-parameter monitor for liquid tank | |
| CN2189254Y (en) | Pressure-resistant float | |
| CN215334510U (en) | Oil tank with floating ball stop oil supply device | |
| CN209839188U (en) | Split type hanging float valve of quick detach | |
| CN216320118U (en) | Oil-water separator of storage tank | |
| CN213988726U (en) | Admittance capacitor type level switch with compensation | |
| CN212432279U (en) | Differential pressure transmitter for measuring liquid level of underground sealed liquid storage tank | |
| CN2701843Y (en) | Gas-liquid mixed filling integrated valve | |
| CN208569413U (en) | The adjustable accurate measure and control device of tetrahydrofuran liquid level in container under alternation operating condition | |
| CN218582559U (en) | Valve port sealing connection structure | |
| CN208831221U (en) | A kind of cryogenic liquid pump device for detecting sealability | |
| CN220816535U (en) | Device for reducing sealing pressure | |
| CN2075275U (en) | Jet vacuum pump | |
| CN216046905U (en) | Oil level controller | |
| CN2645050Y (en) | High pressure magnetic bob level gauge | |
| CN221164246U (en) | Electronic grade chemicals send appearance jar | |
| CN217698036U (en) | Dynamic separation device for light component liquid | |
| CN2708068Y (en) | Weight type water sealed automatic exhaust steam valve | |
| CN220451861U (en) | Pressure balance type water holdup meter sensor | |
| CN220997783U (en) | Liquid storage tank with liquid level measurement and automatic feeding functions | |
| CN213371587U (en) | Food processing machine | |
| CN218913303U (en) | Piston type sanitary siphon | |
| CN221525710U (en) | Water level control valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |