CN108412757B - Double-screw dirty oil water recovery device - Google Patents
Double-screw dirty oil water recovery device Download PDFInfo
- Publication number
- CN108412757B CN108412757B CN201810352260.3A CN201810352260A CN108412757B CN 108412757 B CN108412757 B CN 108412757B CN 201810352260 A CN201810352260 A CN 201810352260A CN 108412757 B CN108412757 B CN 108412757B
- Authority
- CN
- China
- Prior art keywords
- rotor pump
- pump body
- double
- screw rotor
- stage
- 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.)
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 238000011084 recovery Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 16
- 239000010865 sewage Substances 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
- F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Abstract
The invention provides a double-spiral sump oil water recovery device. The motor is connected with a three-stage double-screw rotor pump body, a driving gear is arranged on an intermediate shaft of the three-stage double-screw rotor pump body and an intermediate shaft of the one-stage double-screw rotor pump body, the driving gear and a driven gear arranged on an input shaft of the two-stage double-screw rotor pump body form a pair of gear transmission pairs, the number of teeth of the driving gear and the driven gear and the gear parameters are the same, and an inlet and an outlet of each double-screw rotor pump body are combined for use. The structural design of the invention ensures that the inlet and outlet of the first-stage and third-stage double-screw rotor pump bodies are opposite to the second-stage double-screw rotor pump bodies, is beneficial to the installation of process pipelines and saves space, and meanwhile, the third-stage double-screw rotor pump bodies can use the same driving mode, and due to the characteristic of idle running of the double-screw rotor pump, the sources of the inlet and outlet of the three pumps can be randomly combined, can be respectively introduced and respectively pumped out, can also improve the outlet pressure after being connected in series, is suitable for various working conditions, and expands the application range.
Description
Technical field:
the invention relates to the technical field of oil field dirty oil recovery, in particular to a double-spiral dirty oil water recovery device.
The background technology is as follows:
in oilfield production, there are many occasions where oil stains generated by recovery operation and production are required, including well repair operation, well flushing operation, fracturing operation, tank cleaning operation, emergency operation and the like, cleaning sites and recovery conditions are different, some occasions where oil stains are required to be sucked in a preset trench or the ground, some occasions where oil stains are required to be sucked in from a tank body or negative pressure is required to be sucked in an inlet pipeline, the oil stain recovery equipment is required to be capable of simultaneously sucking, separating oil gas, storing, discharging, boosting and entering the system and the like, sucked liquid contains dirty oil, sewage, impurities, silt, bubbles and the like, and the complexity of working conditions and the difference of recovery modes are required to be very high for the oil stain recovery equipment.
The invention comprises the following steps:
in order to solve the problems, the invention provides a double-spiral sump oil water recovery device.
The technical scheme of the invention is as follows: the double-spiral dirty oil water recovery device comprises a motor, wherein an output shaft of the motor is coaxially connected with an input shaft of a three-stage double-spiral rotor pump body through a coupling in a transmission manner, the three-stage double-spiral rotor pump body and the one-stage double-spiral rotor pump body are coaxially transmitted through a middle shaft, a driving gear is arranged on the middle shaft, the driving gear and a driven gear arranged on the input shaft of the two-stage double-spiral rotor pump body form a pair of gear transmission pairs, and the number of teeth and the gear parameters of the driving gear and the driven gear are the same;
the inlet end of the primary double-screw rotor pump body is connected with an inlet pipeline, the outlet end of the primary double-screw rotor pump body is respectively connected with a low-pressure outlet pipeline, a buffer water tank and a secondary double-screw rotor pump body inlet end through a four-way pipe, valves are respectively and serially arranged between the low-pressure outlet pipeline, the buffer water tank and the secondary double-screw rotor pump body inlet end and the primary double-screw rotor pump body outlet end, the secondary double-screw rotor pump body inlet end is communicated with the primary double-screw rotor pump body outlet end, a buffer water tank is also communicated with the secondary double-screw rotor pump body, a valve is serially arranged on the pipeline between the secondary double-screw rotor pump body inlet end and the buffer water tank, the secondary double-screw rotor pump body outlet end is respectively connected with a three-stage double-screw rotor pump body inlet end and a medium-pressure outlet pipeline, the medium-pressure outlet pipeline is serially arranged with a valve, and the three-stage double-screw rotor pump body outlet end is connected with a high-pressure outlet pipeline.
The three-stage double-helical rotor pump body, the two-stage double-helical rotor pump body and the one-stage double-helical rotor pump body have the same structure and parameters as those of each stage of double-helical rotor pump body
All the devices are arranged in the skid-mounted equipment room.
The invention has the following beneficial effects: the structure design of the invention ensures that the inlet and outlet of the first-stage and third-stage double-screw rotor pump bodies are arranged on the same side, the side of the inlet and outlet of the second-stage double-screw rotor pump body 5 is opposite to that of the first-stage and second-stage double-screw rotor pump bodies, which is beneficial to the installation of process pipelines and the space saving, and simultaneously, the three-stage double-screw rotor pump bodies can use the same driving mode, such as a motor, which is equivalent to three pumps, because of the characteristic of idle rotation of the double-screw rotor pump bodies (namely, air can be pumped and negative pressure can be generated simultaneously), the sources of the inlet and outlet of the three pumps can be combined at will, and the outlet pressure can be respectively introduced and respectively pumped after the three pumps are connected in series, thereby being suitable for various working conditions, enlarging the application range.
Description of the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic diagram of the transmission mechanism of the present invention.
In the figure, a 1-skid-mounted equipment room, a 2-medium pressure outlet pipeline, a 3-valve, a 4-three-stage double-screw rotor pump body, a 5-two-stage double-screw rotor pump body, a 6-one-stage double-screw rotor pump body, a 7-inlet pipeline, an 8-high pressure outlet pipeline, a 9-buffer water tank, a 10-low pressure outlet pipeline, an 11-intermediate shaft, a 12-driving gear, a 13-driven gear and a 14-motor are arranged.
The specific embodiment is as follows:
the invention is further described below with reference to the accompanying drawings:
the double-spiral sump oil water recovery device is shown by combining with fig. 2, and comprises a motor 14, wherein an output shaft of the motor 14 is coaxially connected with an input shaft of a three-stage double-spiral rotor pump body 4 through a coupler, the three-stage double-spiral rotor pump body 4 and a one-stage double-spiral rotor pump body 6 are coaxially transmitted through an intermediate shaft 11, a driving gear 12 is arranged on the intermediate shaft 11, the driving gear 12 and a driven gear 13 arranged on the input shaft of a two-stage double-spiral rotor pump body 5 form a pair of gear transmission pairs, the number of teeth and gear parameters of the driving gear 12 and the driven gear 13 are the same, the rotation speeds of all three-stage double-spiral rotor pump bodies are the same, the structural design ensures that the inlet and outlet sides of the one-stage double-spiral rotor pump body 4 and the three-stage double-spiral rotor pump body 6 are opposite to those of the inlet and outlet sides of the one-stage double-spiral rotor pump body 4 and the two-stage double-spiral rotor pump body 6, thereby being beneficial to the installation and space saving of a process pipeline;
the inlet end of the primary double-screw rotor pump body 6 is connected with an inlet pipeline 7, the outlet end of the primary double-screw rotor pump body 6 is respectively connected with a low-pressure outlet pipeline 10, a buffer water tank 9 and the inlet end of the secondary double-screw rotor pump body 5 through a four-way pipe, valves 3 are respectively and serially arranged between the inlet ends of the low-pressure outlet pipeline 10, the buffer water tank 9 and the secondary double-screw rotor pump body 5 and the outlet end of the primary double-screw rotor pump body 6, the inlet end of the secondary double-screw rotor pump body 5 is communicated with the outlet end of the primary double-screw rotor pump body 6, a pipeline is further communicated with the buffer water tank 9, a valve 3 is serially arranged on the pipeline between the inlet end of the secondary double-screw rotor pump body 5 and the buffer water tank 9, the outlet end of the secondary double-screw rotor pump body 5 is respectively connected with the inlet end of the tertiary double-screw rotor pump body 4 and the medium-pressure outlet pipeline 2, the valve 3 is serially arranged on the medium-pressure outlet pipeline 2, the outlet end of the tertiary double-screw rotor pump body 4 is connected with a high-pressure outlet pipeline 8, and the valve 3 is serially arranged on the high-pressure outlet pipeline 8.
The three-stage double-screw rotor pump body 4, the two-stage double-screw rotor pump body 5 and the one-stage double-screw rotor pump body 6 have the same structure and parameters, and when the pump bodies are used in series, the working conditions of the pump bodies are consistent, the stress of the rotors is uniform, the service life is prolonged, and the system boosting is stable.
The double-screw rotor pump is suitable for conveying liquid medium with complex and viscous components and containing corrosive solid particles and fiber, and can realize gas, liquid and solid three-phase mixed conveying at the same time, thereby being suitable for the special requirements of oilfield operation.
All the devices are arranged in the skid-mounted equipment room 1, so that the mobile equipment is convenient to move and use.
In this embodiment, the inlet and outlet of each double-helical rotor pump body are combined to adapt to various different working conditions, and the following description is given one by one:
when the liquid is required to be directly discharged and the boosting of the primary double-helical rotor pump body is satisfactory, the valve 3 on the low-pressure outlet pipeline 10 is opened, the valve 3 on other pipelines is closed, the liquid is directly discharged, the other two-stage double-helical rotor pump bodies 4 and 5 are idle without load (same below), when the output pressure is insufficient, the liquid can be discharged after boosting through the other two-stage double-helical rotor pump bodies 4 and 5, when the sucked liquid contains air, such as during workover operation, the sucked liquid needs to be kept in a sucking state to prevent the underground liquid from overflowing to cause environmental pollution, at the moment, the valve 3 leading to the buffer water tank 9 is opened (the valve 3 on other pipelines is closed, the same below is closed), the liquid is sucked into the buffer water tank 9 in a mixing manner, the air is released, the liquid is stored in the buffer water tank, the valve 3 on the pipeline between the buffer water tank 9 and the secondary double-helical rotor pump body 5 is opened when needed, the liquid of the buffer released air is boosted through the secondary double-helical rotor pump body 5 and discharged through the medium-pressure outlet pipeline 2, and the liquid enters the three-stage double-helical rotor pump body 4 when the boosting pressure is not enough for long-distance transportation at this moment, and the liquid is continuously discharged through the high-pressure outlet pipeline 8.
Claims (1)
1. The utility model provides a duplex sewage water recovery unit, includes motor (14), its characterized in that: an output shaft of a motor (14) is coaxially connected with an input shaft of a three-stage double-helical rotor pump body (4) through a coupler, the three-stage double-helical rotor pump body (4) and a one-stage double-helical rotor pump body (6) are coaxially driven through an intermediate shaft (11), a driving gear (12) is arranged on the intermediate shaft (11), the driving gear (12) and a driven gear (13) arranged on the input shaft of a two-stage double-helical rotor pump body (5) form a pair of gear transmission pairs, and the number of teeth and the gear parameters of the driving gear (12) and the driven gear (13) are the same;
the inlet end of the primary double-screw rotor pump body (6) is connected with an inlet pipeline (7), the outlet end of the primary double-screw rotor pump body (6) is respectively connected with a low-pressure outlet pipeline (10), a buffer water tank (9) and the inlet end of the secondary double-screw rotor pump body (5) through a four-way pipe, the low-pressure outlet pipeline (10), the buffer water tank (9) and the inlet end of the secondary double-screw rotor pump body (5) are respectively connected with the inlet end of the primary double-screw rotor pump body (6) in series, a valve (3) is arranged on the middle-pressure outlet pipeline (2), the inlet end of the secondary double-screw rotor pump body (5) is communicated with the outlet end of the primary double-screw rotor pump body (6) in addition to the inlet end of the primary double-screw rotor pump body (6), a pipeline is also arranged on the pipeline which is communicated with the buffer water tank (9), a valve (3) is arranged on the pipeline which is arranged between the inlet end of the secondary double-screw rotor pump body (5) and the buffer water tank (9), the outlet end of the secondary double-screw rotor pump body (5) is respectively connected with the inlet end of the tertiary double-screw rotor pump body (4) and the middle-pressure outlet pipeline (2), the valve (3) is arranged on the middle-pressure outlet pipeline (2), and the valve (8) is arranged on the outlet pipeline in series;
the three-stage double-screw rotor pump body (4), the two-stage double-screw rotor pump body (5) and the one-stage double-screw rotor pump body (6) have the same structure and parameters; the inlet and outlet of the first-stage double-screw rotor pump body (6) and the third-stage double-screw rotor pump body (4) are arranged on the same side face, and the side face of the inlet and outlet of the second-stage double-screw rotor pump body (5) is opposite to the first-stage double-screw rotor pump body (6) and the third-stage double-screw rotor pump body (4);
when the sucked liquid contains air, a valve (3) leading to a buffer water tank (9) is opened, the valves (3) on other pipelines are closed, the liquid is sucked into the buffer water tank (9), and the air is released;
all the devices are arranged in the skid-mounted equipment room (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810352260.3A CN108412757B (en) | 2018-04-19 | 2018-04-19 | Double-screw dirty oil water recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810352260.3A CN108412757B (en) | 2018-04-19 | 2018-04-19 | Double-screw dirty oil water recovery device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108412757A CN108412757A (en) | 2018-08-17 |
| CN108412757B true CN108412757B (en) | 2024-03-22 |
Family
ID=63135831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810352260.3A Active CN108412757B (en) | 2018-04-19 | 2018-04-19 | Double-screw dirty oil water recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108412757B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB212253A (en) * | 1923-02-27 | 1924-05-08 | Erste Bruenner Maschinen Fab | Improvements in and relating to centrifugal compressors |
| US6135723A (en) * | 1999-01-19 | 2000-10-24 | Hatton; Gregory John | Efficient Multistage pump |
| CN103112967A (en) * | 2013-02-28 | 2013-05-22 | 孟兵川 | Oilfield sewage cyclone disturbance treatment method and device |
| CN208057397U (en) * | 2018-04-19 | 2018-11-06 | 大庆华帝石油科技有限公司 | Double helix sump oil water recovery device |
-
2018
- 2018-04-19 CN CN201810352260.3A patent/CN108412757B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB212253A (en) * | 1923-02-27 | 1924-05-08 | Erste Bruenner Maschinen Fab | Improvements in and relating to centrifugal compressors |
| US6135723A (en) * | 1999-01-19 | 2000-10-24 | Hatton; Gregory John | Efficient Multistage pump |
| CN103112967A (en) * | 2013-02-28 | 2013-05-22 | 孟兵川 | Oilfield sewage cyclone disturbance treatment method and device |
| CN208057397U (en) * | 2018-04-19 | 2018-11-06 | 大庆华帝石油科技有限公司 | Double helix sump oil water recovery device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108412757A (en) | 2018-08-17 |
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