CN104056827A - Spherical pig receiving device - Google Patents
Spherical pig receiving device Download PDFInfo
- Publication number
- CN104056827A CN104056827A CN201310088432.8A CN201310088432A CN104056827A CN 104056827 A CN104056827 A CN 104056827A CN 201310088432 A CN201310088432 A CN 201310088432A CN 104056827 A CN104056827 A CN 104056827A
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- China
- Prior art keywords
- spherical pig
- pig receiving
- take
- spherical
- valve
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
- B08B9/057—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices being entrained discrete elements, e.g. balls, grinding elements, brushes
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipeline Systems (AREA)
Abstract
The invention discloses a spherical pig receiving device. The device comprises a spherical pig receiving drum and a plurality of branch pipelines, wherein an upper baffle and a lower baffle are arranged at two end ports of the spherical pig receiving drum respectively, and an included angle is formed by the lower baffle and the horizontal plane; the plurality of branch pipelines are communicated with the drum wall of the spherical pig receiving drum and arranged in the radial direction of the spherical pig receiving drum; pig receiving valves and system inlet valves are arranged in the branch pipelines, the pig receiving valves are used for controlling communication of the branch pipelines and the spherical pig receiving drum, and the system inlet valves are used for controlling communication of the branch pipelines and an oil gas treatment system. The spherical pig receiving device is compact in overall structure, is provided with standard flanges at two ends and can be connected with and dismounted from pipelines conveniently; compared with conventional pig receiving devices, the spherical pig receiving device has the advantages that the occupied mounting area is smaller, the mounting position of the spherical pig receiving drum can be adjusted according to actual conditions, and the device is more applicable to occasions with strict equipment occupied space requirements, such as offshore oil platforms and the like.
Description
Technical field
The present invention relates to a kind of spherical pig receiving system, can be applicable to draw together Offshore oil and gas processing platform and oil-gas gathering and transportation station.
Background technology
Oil and natural gas is delivered to treatment process systematic procedure by pipeline from well head extraction, because the component such as wax, asphalitine in oil can be deposited on tube wall under certain condition; On the other hand, along with the time increases, in pipeline, liquid phase increases gradually, has reduced the circulation area of pipeline, thereby has reduced effective conveying capacity of pipeline, increases pressure-drop in pipeline, even forms hydrate, blocking pipe when serious.Therefore, after pipeline performance a period of time, need to carry out pigging operation by deposit in pipeline or alveolar fluid clearance out, send out spherical pig from pipeline head, and receive spherical pig by the spherical pig receiving system that is located at pipeline terminal.
At present, in petroleum industry, conventional spherical pig receiving system has a variety of both at home and abroad, but be pooled to the situation of oil gas treatment system for many pipelines, as adopt conventional spherical pig receiving system, need to all configure a spherical pig receiving system for every pipeline, cause equipment investment to raise, the space taking increases, and causes great waste.Especially for offshore platform, its harsh space requirement forces and reduces the platform space that oil gas treatment system takies as far as possible.Therefore, be necessary to develop a kind of multiple-limb tubular type spherical pig receiving system, to reduce the spherical pig receiving system quantity of being installed when many pipelines are pooled to oil gas treatment system.
Summary of the invention
The object of this invention is to provide a kind of spherical pig receiving system, be specially a kind of multiple-limb tubular type spherical pig receiving system, it has reduced the spherical pig receiving system quantity of installing when many pipelines are pooled to oil gas treatment system, and its general principle is to utilize Action of Gravity Field that the spherical pig of different tube diameters pipeline is collected in same device; Spherical pig receiving system of the present invention can directly be connected with standard flange, has reduced floor space, and has simplified multiple-limb pipeline pigging flow process.
A kind of spherical pig receiving system provided by the present invention, it comprises spherical pig receiving barrel and several take-off lines;
The two-port place of described spherical pig receiving barrel is respectively equipped with overhead gage and lower baffle plate, and is provided with angle between described lower baffle plate and horizontal plane;
Described several take-off lines are all connected with the barrel of described spherical pig receiving barrel, and along the radial arrangement of described spherical pig receiving barrel;
In described take-off line, be provided with wiper receiving valve and system entry valve, described wiper receiving valve is for controlling being communicated with between described take-off line and described spherical pig receiving barrel; Described system entry valve is for controlling being communicated with between described take-off line and oil gas treatment system.
In above-mentioned spherical pig receiving system, not etc., and the internal diameter of maximum described take-off line is not more than the internal diameter of described wiper receiving valve to the internal diameter of described several take-off lines.
In above-mentioned spherical pig receiving system, from described overhead gage to the direction of described lower baffle plate, the internal diameter of described take-off line reduces successively, avoids occurring little spherical pig and enters the situation in Large Diameter Pipeline pipeline.
In above-mentioned spherical pig receiving system, the angle between described lower baffle plate and horizontal plane is less than 45 degree, in the situation that there is no limitation in height, makes this angle the smaller the better as far as possible, to make full use of gravity, spherical pig is tumbled to described lower baffle plate place.When use, between described lower baffle plate and ground, should note leaving sufficient space, take out spherical pig to open lower baffle plate.
In above-mentioned spherical pig receiving system, described several take-off lines are all connected with transfer pipeline by flange, can be connected with conveyance conduit fast and dismounting.
In above-mentioned spherical pig receiving system, be provided with a bypass line at the bottom place of described spherical pig receiving barrel, in described bypass line, be provided with by-passing valve.
In above-mentioned spherical pig receiving system, the internal diameter of described bypass line equates with the internal diameter of the described take-off line of internal diameter maximum, do not produce large pressure drop while ensureing the spherical pig of the take-off line that receives maximum inner diameter.
In above-mentioned spherical pig receiving system, on described spherical pig receiving barrel, be provided with pigging head signal probe in the bottom of the porch of each described take-off line, whether enter in described spherical pig receiving barrel to monitor spherical pig.
In above-mentioned spherical pig receiving system, on described spherical pig receiving barrel, be provided with gas atmospheric valve near described overhead gage place, be provided with liquid atmospheric valve near described lower baffle plate place.
Spherical pig receiving system of the present invention has following beneficial effect: compact overall structure of the present invention, and there is standard flange at two ends, are convenient to be connected, dismantle with pipeline; Relatively conventional wiper receiving system, the shared erection space of the present invention is less, and spherical pig receiving barrel installation site can adjust according to actual conditions, and oil platforms at sea preferably etc. require strict occasion to use to equipment occupation space.
Brief description of the drawings
Fig. 1 is the structural representation of spherical pig receiving system of the present invention.
In figure, each mark is as follows: 1 adpting flange, 2 pipeline I wiper receiving valves, 3 pipeline I system entry valves, 4 spherical pig receiving barrels, 5 pipeline II wiper receiving valves, 6 pipeline II system entry valves, 7 pigging head signal probes, 8 by-passing valves, 9 overhead gages, 10 gas atmospheric valves, 11 lower baffle plates, 12 liquid atmospheric valves.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described, but the present invention is not limited to following examples.
As shown in Figure 1, spherical pig receiving system provided by the invention comprises 4 and 2 take-off lines of spherical pig receiving barrel, be respectively pipeline I (not marking in figure) and pipeline II (not marking in figure), and the internal diameter of pipeline I is greater than the internal diameter of pipeline II, the internal diameter of pipeline I is less than the internal diameter of spherical pig receiving barrel 4; Pipeline I and pipeline II are all connected with the barrel of spherical pig receiving barrel 4, and along the radial arrangement of spherical pig receiving barrel 4, pipeline I is positioned at the top of pipeline II; Be respectively equipped with overhead gage 9 and lower baffle plate 11 at the two-port place of spherical pig receiving barrel 4, and between lower baffle plate 9 and horizontal plane, be provided with the angle that is less than 45 degree; In pipeline I, be provided with pipeline I wiper receiving valve 2 and pipeline I system entry valve 3, wherein pipeline I wiper receiving valve 2 is for controlling being communicated with between pipeline I and spherical pig receiving barrel 4, and pipeline I system entry valve 3 is for controlling being communicated with between pipeline I and oil gas treatment system; In pipeline II, be provided with pipeline II wiper receiving valve 5 and pipeline II system entry valve 6, wherein pipeline II wiper receiving valve 5 is for controlling being communicated with between pipeline II and spherical pig receiving barrel 4, and pipeline II system entry valve 6 is for controlling being communicated with between pipeline II and oil gas treatment system.Be provided with a bypass line (in figure not mark) at the bottom place of spherical pig receiving barrel 4, in this bypass line, be provided with by-passing valve 8, and the internal diameter of this bypass line equates with the internal diameter of pipeline I, can ensure to receive the spherical pig in pipeline I time, do not produce large pressure drop.In spherical pig receiving system of the present invention, pipeline I, pipeline II and bypass line are all connected with pipeline for clearance by adpting flange 1, can be connected with conveyance conduit fast and dismounting.On spherical pig receiving barrel 4, be equipped with in pigging head signal probe 7(figure and only illustrate 1 in the bottom of the porch of pipeline I and pipeline II), enter spherical pig receiving barrel 4 for monitoring spherical pig.On spherical pig receiving barrel 4, be provided with gas atmospheric valve 10 near overhead gage 9 places, be provided with liquid atmospheric valve 12 near lower baffle plate 11 places.
In above-mentioned spherical pig receiving system, the number of the take-off line of setting can be adjusted according to actual needs; Angle between lower baffle plate and horizontal plane can be adjusted in the scope of 0～45 degree.
While using spherical pig receiving system of the present invention, first carry out integral installation, this spherical pig receiving system is connected with corresponding uniform internal diameter conveyance conduit by adpting flange 1, can realize Fast Installation and dismounting.The lower baffle plate 11 of pig recenver 4 can be adjusted installation according to real space situation with the angle of horizontal level, but must be not more than 45 degree.In the time not carrying out pigging operation, pipeline I wiper receiving valve 2, pipeline II wiper receiving valve 5 and by-passing valve 8 are all closed, and pipeline I system inlet valve 3 and pipeline II system entry valve 6 are all opened.
Hypothesis branch pipeline I is carried out pigging operation, and the course of work of the present invention is:
1) before the wiper in pipeline I reaches, open pipeline I wiper receiving valve 2 and by-passing valve 8, close pipeline I system entry valve 3;
2) pigging head signal probe 7 shows when spherical pig enters spherical pig receiving barrel 4, opens pipeline I system entry valve 3;
3) close pipeline I wiper receiving valve 2 and by-passing valve 8;
4) if gas-liquid delivery pipeline should first be opened gas atmospheric valve 10, then open liquid atmospheric valve 12;
5) if there is no gas in pipeline, directly open liquid atmospheric valve 12;
6), after liquid emptying, open lower baffle plate 11 and take out spherical pig.
Carry out pigging operation as take-off line II, adopt step same as described above.
Claims (9)
1. a spherical pig receiving system, is characterized in that: described receiving system comprises spherical pig receiving barrel and several take-off lines;
The two-port place of described spherical pig receiving barrel is respectively equipped with overhead gage and lower baffle plate, and is provided with angle between described lower baffle plate and horizontal plane;
Described several take-off lines are all connected with the barrel of described spherical pig receiving barrel, and along the radial arrangement of described spherical pig receiving barrel;
In described take-off line, be provided with wiper receiving valve and system entry valve, described wiper receiving valve is for controlling being communicated with between described take-off line and described spherical pig receiving barrel; Described system entry valve is for controlling being communicated with between described take-off line and oil gas treatment system.
2. spherical pig receiving system according to claim 1, is characterized in that: not etc., and the internal diameter of maximum described take-off line is not more than the internal diameter of described wiper receiving valve to the internal diameter of described several take-off lines.
3. spherical pig receiving system according to claim 2, is characterized in that: from described overhead gage to the direction of described lower baffle plate, the internal diameter of described take-off line reduces successively.
According to claim 1 ?the spherical pig receiving system described in any one in 3, it is characterized in that: the angle between described lower baffle plate and horizontal plane is less than 45 degree.
According to claim 1 ?the spherical pig receiving system described in any one in 4, it is characterized in that: described several take-off lines are all connected with transfer pipeline by flange.
According to claim 1 ?the spherical pig receiving system described in any one in 5, it is characterized in that: be provided with a bypass line at the bottom place of described spherical pig receiving barrel, in described bypass line, be provided with by-passing valve.
7. spherical pig receiving system according to claim 6, is characterized in that: the internal diameter of described bypass line equates with the internal diameter of the described take-off line of internal diameter maximum.
According to claim 1 ?the spherical pig receiving system described in any one in 7, it is characterized in that: on described spherical pig receiving barrel, be provided with pigging head signal probe in the bottom of the porch of each described take-off line.
According to claim 1 ?the spherical pig receiving system described in any one in 8, it is characterized in that: on described spherical pig receiving barrel, be provided with gas atmospheric valve near described overhead gage place, be provided with liquid atmospheric valve near described lower baffle plate place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310088432.8A CN104056827A (en) | 2013-03-19 | 2013-03-19 | Spherical pig receiving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310088432.8A CN104056827A (en) | 2013-03-19 | 2013-03-19 | Spherical pig receiving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104056827A true CN104056827A (en) | 2014-09-24 |
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ID=51544924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310088432.8A Pending CN104056827A (en) | 2013-03-19 | 2013-03-19 | Spherical pig receiving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104056827A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676190A (en) * | 2013-11-28 | 2015-06-03 | 中国石油化工股份有限公司 | Leakage point blocking device for inner wall of pipeline |
| CN110397821A (en) * | 2018-04-24 | 2019-11-01 | 中国石油天然气集团有限公司 | Ball serving device |
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| KR100737731B1 (en) * | 2006-08-16 | 2007-07-10 | (주)동호플랜트 | Collecting pigs and purificating and discharging apparatus of polluted washing water |
| CN101972760A (en) * | 2010-09-26 | 2011-02-16 | 中国石油集团工程设计有限责任公司 | Centralized type spherical pig receiving device |
| CN202010686U (en) * | 2011-04-01 | 2011-10-19 | 西安长庆科技工程有限责任公司 | Novel multifunctional general mechanism |
| CN202207685U (en) * | 2011-09-24 | 2012-05-02 | 王庆普 | High-efficiency energy-saving oil-collecting ball receiving and dispatching integrated device |
| CN202366913U (en) * | 2011-12-24 | 2012-08-08 | 单振雨 | Oil-collecting and ball-collecting integrated device |
| CN102755979A (en) * | 2012-07-09 | 2012-10-31 | 中国海洋石油总公司 | Ball receiving and launching barrel for ocean platform |
| CN202779086U (en) * | 2012-09-24 | 2013-03-13 | 定边县热宝锅炉机械制造有限责任公司 | Ball-collecting drum used for oilfield production |
| CN203140385U (en) * | 2013-03-19 | 2013-08-21 | 中国海洋石油总公司 | Spherical pig receiving device |
-
2013
- 2013-03-19 CN CN201310088432.8A patent/CN104056827A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100737731B1 (en) * | 2006-08-16 | 2007-07-10 | (주)동호플랜트 | Collecting pigs and purificating and discharging apparatus of polluted washing water |
| CN101972760A (en) * | 2010-09-26 | 2011-02-16 | 中国石油集团工程设计有限责任公司 | Centralized type spherical pig receiving device |
| CN202010686U (en) * | 2011-04-01 | 2011-10-19 | 西安长庆科技工程有限责任公司 | Novel multifunctional general mechanism |
| CN202207685U (en) * | 2011-09-24 | 2012-05-02 | 王庆普 | High-efficiency energy-saving oil-collecting ball receiving and dispatching integrated device |
| CN202366913U (en) * | 2011-12-24 | 2012-08-08 | 单振雨 | Oil-collecting and ball-collecting integrated device |
| CN102755979A (en) * | 2012-07-09 | 2012-10-31 | 中国海洋石油总公司 | Ball receiving and launching barrel for ocean platform |
| CN202779086U (en) * | 2012-09-24 | 2013-03-13 | 定边县热宝锅炉机械制造有限责任公司 | Ball-collecting drum used for oilfield production |
| CN203140385U (en) * | 2013-03-19 | 2013-08-21 | 中国海洋石油总公司 | Spherical pig receiving device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676190A (en) * | 2013-11-28 | 2015-06-03 | 中国石油化工股份有限公司 | Leakage point blocking device for inner wall of pipeline |
| CN104676190B (en) * | 2013-11-28 | 2018-02-27 | 中国石油化工股份有限公司 | Inner-walls of duct leakage point plugging device |
| CN110397821A (en) * | 2018-04-24 | 2019-11-01 | 中国石油天然气集团有限公司 | Ball serving device |
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Application publication date: 20140924 |