CN110374866A - A kind of screw pump automatic liquid supply skid mounted equipment - Google Patents
A kind of screw pump automatic liquid supply skid mounted equipment Download PDFInfo
- Publication number
- CN110374866A CN110374866A CN201910486114.4A CN201910486114A CN110374866A CN 110374866 A CN110374866 A CN 110374866A CN 201910486114 A CN201910486114 A CN 201910486114A CN 110374866 A CN110374866 A CN 110374866A
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- CN
- China
- Prior art keywords
- gas
- surge tank
- liquid
- screw pump
- outlet
- 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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Classifications
-
- 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
- F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
- F04C13/001—Pumps for particular liquids
-
- 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
- F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
- F04C13/007—Venting; Gas and vapour separation during pumping
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The present invention relates to a kind of screw pump automatic liquid supply skid mounted equipments, including screw pump and PLC controller, the outlet of screw pump is connected to the entrance of catch pot, catch pot is connected to by overhead line and bottom line with surge tank, overhead line is equipped with pressure transmitter one, surge tank upper end outlet is connected to oil and gas multiphase flow header, the outlet of surge tank middle-end is connected with separation controller for gas and liquid, separation controller for gas and liquid outlet is connected to oil and gas multiphase flow header, the outlet of surge tank lower end is connected to screw rod pump intake, PLC controller respectively with pressure transmitter one, pressure transmitter two, gas flowmeter, fluid flowmeter, regulating valve electrical connection.The present invention solves the problems, such as that screw pump can not smooth long term running when encountering excessive tolerance or slug flow.
Description
Technical field
The present invention relates to oilfields to mix defeated device field, it particularly relates to which a kind of screw pump automatic liquid supply skid is set
It is standby.
Background technique
Currently, most of oil field carries out oil and gas multiphase flow pressure-increasing unit in oil-gas mixing conveying system, using screw pump.But in oil
In gas production process, come liquid measure, tolerance fluctuation it is very big.Sometimes tolerance is very big, liquid measure is seldom, and liquid measure is very big sometimes, tolerance is seldom,
Sometimes even there is slug flow.When come liquid measure cutout when, screw pump will appear it is dry turn phenomenon, cause pump body temperature sharply to increase,
Seriously affect the service life of pump.Some present oil fields are by the way of increasing sealant supplement cylinder, outside the source some need of fluid infusion
Access, but reconstruction flow is complicated, and investment is big；Although some fluid infusion are by itself carrying out liquid, amount infused is limited, can not solve at all.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For above-mentioned technical problem in the related technology, the present invention proposes a kind of screw pump automatic liquid supply skid mounted equipment, solution
Determined screw pump when encountering excessive tolerance or slug flow can not smooth long term running the problem of.
To realize the above-mentioned technical purpose, the technical scheme of the present invention is realized as follows:
The screw rod pump discharge of a kind of screw pump automatic liquid supply skid mounted equipment, including screw pump and PLC controller, the screw pump is logical
Piping is connected to the catch pot entrance of catch pot, and the catch pot passes through overhead line and bottom line
It is connected to surge tank, the overhead line is equipped with pressure transmitter one, and the surge tank is from top to bottom respectively equipped with surge tank
Upper end outlet, the outlet of surge tank middle-end, the outlet of surge tank lower end, the surge tank upper end outlet is by being equipped with gas flowmeter
Pipeline is connected to oil and gas multiphase flow header, and the surge tank middle-end outlet is connected with separation controller for gas and liquid, the gas-liquid separation control
Device processed is exported equipped with separation controller for gas and liquid, and the separation controller for gas and liquid outlet passes through pipeline and oil equipped with fluid flowmeter
Gas mixes defeated header connection, and the surge tank lower end outlet is connected to by return pipe with screw rod pump intake, and the return pipe is close
Surge tank lower end exit is equipped with regulating valve, and the return pipe is being equipped with pressure transmitter two close to screw pump inlet, described
PLC controller is electrically connected with pressure transmitter one, pressure transmitter two, gas flowmeter, fluid flowmeter, regulating valve respectively.
Preferably, the catch pot isolates gas and liquid by the method for cyclonic separation, and the gas enters
Overhead line, the liquid enter bottom line.
Preferably, the PLC controller is also electrically connected with liquid crystal display.
Preferably, safety valve is equipped at the top of the surge tank.
Beneficial effects of the present invention:
1, present invention process process is simple, small in size, light-weight；
2, strong guarantee is provided for screw pump smooth long term running；
3, suitable for the multiphase measurement requirement of the various field working conditions in oil field；
4, due to no movable part, the plant failure rate is extremely low；It is easy to operate, high degree of automation.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of screw pump automatic liquid supply skid mounted equipment structure schematic diagram described according to embodiments of the present invention.
Fig. 2 is a kind of screw pump automatic liquid supply skid mounted equipment electrical diagram described according to embodiments of the present invention.
In figure: 1, screw pump；2, catch pot；3, surge tank；4, separation controller for gas and liquid；5, gas flowmeter；6,
Fluid flowmeter；7, regulating valve；8, safety valve；9, pressure transmitter one；10, screw rod pump discharge；11, screw rod pump intake；12, oily
Gas knockout drum entrance；13, overhead line；14, bottom line；15, surge tank middle-end exports；16, surge tank upper end outlet；17,
Separation controller for gas and liquid outlet；18, oil and gas multiphase flow header；19, return pipe；20, pressure transmitter two；21, it is brought out under surge tank
Mouthful.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
As shown in Figs. 1-2, a kind of screw pump automatic liquid supply skid mounted equipment according to embodiments of the present invention, including screw rod
Pump 1 and PLC controller, the screw rod pump discharge 10 of the screw pump 1 pass through the catch pot entrance of pipeline and catch pot 2
12 connections, the catch pot 2 are connected to by overhead line 13 and bottom line 14 with surge tank 3, the overhead line
13 are equipped with pressure transmitter 1, and the surge tank 3 is from top to bottom respectively equipped with surge tank upper end outlet 16, surge tank middle-end
Outlet 15, surge tank lower end outlet 21, the surge tank upper end outlet 16 are mixed by the pipeline and oil gas for being equipped with gas flowmeter 5
Defeated header 18 is connected to, and the surge tank middle-end outlet 15 is connected with separation controller for gas and liquid 4, and the separation controller for gas and liquid 4 is set
There is separation controller for gas and liquid to export 17, the separation controller for gas and liquid outlet 17 passes through pipeline and oil equipped with fluid flowmeter 6
Gas mixes defeated header 18 and is connected to, and the surge tank lower end outlet 21 is connected to by return pipe 19 with screw rod pump intake 11, the reflux
Pipe 19 is exported close to surge tank lower end equipped with regulating valve 7 at 21, and the return pipe 19 is equipped at screw rod pump intake 11
Pressure transmitter 2 20.
In the preferred embodiment, the PLC controller respectively with pressure transmitter 1, pressure transmitter 2 20, gas
Flowmeter 5, fluid flowmeter 6, regulating valve 7 are electrically connected, and the main control for completing 1 liquid inlet volume of screw pump, tolerance, liquid measure are adopted
Collection, fault alarm.
In the preferred embodiment, the PLC controller is also electrically connected with liquid crystal display, convenient for users to observing and controlling
System.
In the preferred embodiment, it is equipped with safety valve 8 at the top of the surge tank 3, prevents 3 hypertonia of surge tank.
In the preferred embodiment, the catch pot 2 isolates gas and liquid by the method for cyclonic separation, institute
It states gas and enters overhead line 13, the liquid enters bottom line 14.
In order to facilitate above-mentioned technical proposal of the invention is understood, below by way of right in specifically used mode and working principle
Above-mentioned technical proposal of the invention is described in detail.
When specifically used, fluid passes through the screw rod pump discharge 10 of screw pump 1, enters the oil gas point of catch pot 2
It is separated from tank entrance 12, and in catch pot 2.The gas isolated is discharged from overhead line 13, and liquid is from lower tube
Line 14 is discharged.A part of liquid enters return pipe 19 by surge tank lower end outlet 21 in surge tank 3, then passes through return pipe 19
Screw rod pump intake 11 is entered, by the control to regulating valve 7, pressure transmitter 2 20, realizes that screw pump oil and gas multiphase flow is long-term
The purpose of even running.
Gas in surge tank 3 from surge tank upper end outlet 16, enter oil and gas multiphase flow header 18, liquid passes through surge tank
Middle-end outlet 15 enters separation controller for gas and liquid 4, and the liquid isolated enters oil gas from separation controller for gas and liquid outlet 17 and mixes
Defeated header 18.
Catch pot 2 is liquids and gases two-phase to be isolated by the method for cyclonic separation, and pass through top and bottom end
Outlet gas and liquid are discharged respectively.
Surge tank 3 is first is that be used to slow down the fluctuation of gas-liquid two-phase, second is that certain liquid measure is stored, by liquid measure and pressure
Control, meet screw pump 1 it is minimum liquid inlet volume requirement.
Separation controller for gas and liquid 4 carries out gas-liquid separation by pressure and liquid level.
Screw pump oil and gas multiphase flow auxiliary system and gas-liquid two-phase metering device use PLC(programmable logic controller (PLC)) control
System, liquid crystal display are shown, mainly complete control, tolerance, the acquisition of liquid measure, the fault alarm etc. of screw pump liquid inlet volume.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of screw pump automatic liquid supply skid mounted equipment, including screw pump (1) and PLC controller, which is characterized in that the screw rod
The screw rod pump discharge (10) of pump (1) is connected to by pipeline with the catch pot entrance (12) of catch pot (2), the oil gas
Knockout drum (2) is connected to by overhead line (13) and bottom line (14) with surge tank (3), is set on the overhead line (13)
There is pressure transmitter one (9), the surge tank (3) is from top to bottom respectively equipped with surge tank upper end outlet (16), surge tank middle-end
(15), surge tank lower end outlet (21) are exported, the surge tank upper end outlet (16) passes through the pipeline equipped with gas flowmeter (5)
It is connected to oil and gas multiphase flow header (18), the surge tank middle-end outlet (15) is connected with separation controller for gas and liquid (4), the gas-liquid
Separation control (4) is equipped with separation controller for gas and liquid outlet (17), and the separation controller for gas and liquid outlet (17) is by being equipped with liquid
The pipeline of flowmeter body (6) is connected to oil and gas multiphase flow header (18), and the surge tank lower end outlet (21) passes through return pipe (19)
It is connected to screw rod pump intake (11), the return pipe (19) is being equipped with regulating valve (7) at surge tank lower end outlet (21), institute
It states return pipe (19) and is being equipped with pressure transmitter two (20) at screw rod pump intake (11), the PLC controller is respectively and pressure
Power transmitter one (9), pressure transmitter two (20), gas flowmeter (5), fluid flowmeter (6), regulating valve (7) electrical connection.
2. a kind of screw pump automatic liquid supply skid mounted equipment according to claim 1, which is characterized in that the catch pot
(2) gas and liquid are isolated by the method for cyclonic separation, the gas enters overhead line (13), and the liquid enters bottom
Portion's pipeline (14).
3. a kind of screw pump automatic liquid supply skid mounted equipment according to claim 1, which is characterized in that the PLC controller
Also it is electrically connected with liquid crystal display.
4. a kind of screw pump automatic liquid supply skid mounted equipment according to claim 1, which is characterized in that the surge tank (3)
Top is equipped with safety valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910486114.4A CN110374866A (en) | 2019-06-05 | 2019-06-05 | A kind of screw pump automatic liquid supply skid mounted equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910486114.4A CN110374866A (en) | 2019-06-05 | 2019-06-05 | A kind of screw pump automatic liquid supply skid mounted equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110374866A true CN110374866A (en) | 2019-10-25 |
Family
ID=68249790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910486114.4A Pending CN110374866A (en) | 2019-06-05 | 2019-06-05 | A kind of screw pump automatic liquid supply skid mounted equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110374866A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117028242A (en) * | 2023-10-09 | 2023-11-10 | 山东鼎点环保科技有限公司 | Screw energy-saving pump |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5004407A (en) * | 1989-09-26 | 1991-04-02 | Sundstrand Corporation | Method of scavenging air and oil and gear pump therefor |
| FR2794181A1 (en) * | 1999-02-19 | 2000-12-01 | Turbosol Produzione Spa | Equipment for delivering construction material, such as mortar, to site comprises motor, speed switch, progressive starting equipment, reducer, agitator and helicoidal screw type output pump |
| CN205064262U (en) * | 2015-07-21 | 2016-03-02 | 北京奥嘉仪高新技术有限公司 | Screw pump oil gas is defeated auxiliary system thoughtlessly |
| CN105526162A (en) * | 2016-01-31 | 2016-04-27 | 太仓液压元件有限公司 | Screw pump for pitch conveying |
-
2019
- 2019-06-05 CN CN201910486114.4A patent/CN110374866A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5004407A (en) * | 1989-09-26 | 1991-04-02 | Sundstrand Corporation | Method of scavenging air and oil and gear pump therefor |
| FR2794181A1 (en) * | 1999-02-19 | 2000-12-01 | Turbosol Produzione Spa | Equipment for delivering construction material, such as mortar, to site comprises motor, speed switch, progressive starting equipment, reducer, agitator and helicoidal screw type output pump |
| CN205064262U (en) * | 2015-07-21 | 2016-03-02 | 北京奥嘉仪高新技术有限公司 | Screw pump oil gas is defeated auxiliary system thoughtlessly |
| CN105526162A (en) * | 2016-01-31 | 2016-04-27 | 太仓液压元件有限公司 | Screw pump for pitch conveying |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117028242A (en) * | 2023-10-09 | 2023-11-10 | 山东鼎点环保科技有限公司 | Screw energy-saving pump |
| CN117028242B (en) * | 2023-10-09 | 2023-12-08 | 山东鼎点环保科技有限公司 | Screw energy-saving pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191025 |
|
| RJ01 | Rejection of invention patent application after publication |