CN2170393Y - Prepressed air exhausting capsule for three-cylinder single-action reciprocating pump - Google Patents
Prepressed air exhausting capsule for three-cylinder single-action reciprocating pump Download PDFInfo
- Publication number
- CN2170393Y CN2170393Y CN 92211474 CN92211474U CN2170393Y CN 2170393 Y CN2170393 Y CN 2170393Y CN 92211474 CN92211474 CN 92211474 CN 92211474 U CN92211474 U CN 92211474U CN 2170393 Y CN2170393 Y CN 2170393Y
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- CN
- China
- Prior art keywords
- capsule
- air
- pump
- air bag
- air tank
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a pre-pressed air exhausting capsule for a three-cylinder single-action reciprocating pump, which is formed by the combination of an air-charging connector, an air bag case, a full rubber type integral capsule, a choke block, etc. The length of the curve of the inner surface of the air bag case is equal to the length of the curve of the outer surface of the full rubber type integral capsule, and the total volume is 25 to 451. The utility model is characterized in that the exhausting flow rate of the drilling pump is leveled off by the compressed and expanded function of the air in the air bag capsule. When the output flow rate of the pump is higher than the average flow rate, the air in the air bag is compressed, and the superfluous liquid enters the air bag; whereas, the liquid in the air bag is exhausted into the pipeline, which is carried out back and forth following the working speed of the pump, and the flow rate of the pump is relatively stable.
Description
The utility model belongs to the improvement that three cylinder single-acting reciprocating pumps are discharged the precompressed air pack arrangement.
At present the discharge precompressed air bag installed of reciprocating drilling pump adopts the inner chamber of 75 liter capacities, and shell is a forge piece, and its inner chamber has spherical and two kinds on ellipsoid.Mainly contain compositions such as shell, top cover, capsule assembly, gas-charging connection, flange in the bottom.The capsule assembly is made up of leather bag, iron core, offset plate, pressing plate, bolt etc.The shortcoming of this air tank is: (1) volume is big, weight is big, is difficult for processing, waste raw material, uses installation inconvenient; (2) combined-type capsule, the installation and processing inconvenience; (3) sealing area is big, causes to be difficult for sealing, and it is too fast to cause capsule to damage.Air tank capsule a bite well as present use will be changed once at least, will change sometimes for several times, influences drilling well production.
The purpose of this utility model is the above-mentioned shortcoming at existing air tank, changes air tank volume and internal structure, reduces component, and working life and economic benefit design in order to improve.
The utility model is according to the work characteristics of three cylinder single-acting reciprocating pumps and new air tank volume calculations theory.The utility model is achieved in that the total measurement (volume) that reduces air tank is 25～45L, the whole capsule (3) of a whooe-rubber type is equipped with in air tank shell (2) inside, its outer surface curve length equates with the internal surface length of curve of air tank shell (2), thereby the minimizing fatigue damage improves working life.A perforated orifice plate (4) is installed in flange in the bottom (5) upper end, and it is 5～10mm that diameter is arranged on it, hole area and be 1500～4000mm
2
Figure of description: three cylinder single-acting reciprocating pumps are discharged precompressed air inclusion composition.
Description of drawings:
(1) gas-charging connection, (2) air tank shell, the whole capsule of (3) whooe-rubber type, (4) Rectifier plate, (5) flange in the bottom, (6) top cover.
In conjunction with Figure of description model utility is further described now: the gas that at first fills certain pressure by gas-charging connection (1).When drilling pump was worked, when its head pressure surpassed pressure in the air tank, the whole capsule of whooe-rubber type (3) just began to move up, and a part of liquid is entered in the air tank by Rectifier plate (4), reduces the interior pressure of pump, makes it near middle pressure; When the head pressure of pump reduced, full glue integrated type capsule (3) just expanded, and a part of liquid in the air tank is discharged in the pipeline by Rectifier plate (4) goes, and improves the pump internal pressure, makes it near middle pressure.Back and forth carry out this process, the pressure surge that makes pump be sinusoidal rule variation originally becomes more steady, satisfies the requirement that drilling well is produced.
The utility model volume is little, in light weight, simple in structure, be convenient to processing, easy to install.Because sealing area is little,, technical performance and economic benefit have been improved so sealing is reliable.The utility model is applicable to three cylinder single-acting reciprocating pumps.
Claims (3)
1, a kind of three cylinder single-acting reciprocating pumps are discharged the precompressed air bag, are made up of parts such as inflator, air tank shell, flange in the bottom.It is characterized in that: the whole capsule (3) of a whooe-rubber type is installed in the air tank shell (2), and its outer surface curve length equates with air tank shell (2) internal surface length of curve.
2, air tank according to claim 1 is characterized in that: the total measurement (volume) of air tank is 25～45L.
3, air tank according to claim 1 and 2 is characterized in that a perforated orifice plate (4) is equipped with in the upper end of air tank flange in the bottom (5), and it is the hole of 5～10mm that diameter is arranged on the Rectifier plate (4), hole area and be 1500～4000mm
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92211474 CN2170393Y (en) | 1992-03-31 | 1992-03-31 | Prepressed air exhausting capsule for three-cylinder single-action reciprocating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92211474 CN2170393Y (en) | 1992-03-31 | 1992-03-31 | Prepressed air exhausting capsule for three-cylinder single-action reciprocating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2170393Y true CN2170393Y (en) | 1994-06-29 |
Family
ID=33763164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92211474 Expired - Lifetime CN2170393Y (en) | 1992-03-31 | 1992-03-31 | Prepressed air exhausting capsule for three-cylinder single-action reciprocating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2170393Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031684A (en) * | 2019-06-03 | 2020-12-04 | 中国石油天然气集团有限公司 | Controlled pressure drilling back pressure compensation system |
-
1992
- 1992-03-31 CN CN 92211474 patent/CN2170393Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031684A (en) * | 2019-06-03 | 2020-12-04 | 中国石油天然气集团有限公司 | Controlled pressure drilling back pressure compensation system |
| CN112031684B (en) * | 2019-06-03 | 2023-02-10 | 中国石油天然气集团有限公司 | Controlled pressure drilling back pressure compensation system |
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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 | ||
| CX01 | Expiry of patent term |