CN201314836Y - Oil-water boundary instrument for electric dehydrator - Google Patents

Oil-water boundary instrument for electric dehydrator Download PDF

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Publication number
CN201314836Y
CN201314836Y CNU2008201246422U CN200820124642U CN201314836Y CN 201314836 Y CN201314836 Y CN 201314836Y CN U2008201246422 U CNU2008201246422 U CN U2008201246422U CN 200820124642 U CN200820124642 U CN 200820124642U CN 201314836 Y CN201314836 Y CN 201314836Y
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CN
China
Prior art keywords
measuring staff
electrical
water
pillar
jar
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 - Fee Related
Application number
CNU2008201246422U
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Chinese (zh)
Inventor
张洪亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING AEROSPACE JINTAI XINGCE TECHNOLOGY CO LTD
Original Assignee
BEIJING AEROSPACE JINTAI XINGCE TECHNOLOGY CO LTD
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BEIJING AEROSPACE JINTAI XINGCE TECHNOLOGY CO LTD filed Critical BEIJING AEROSPACE JINTAI XINGCE TECHNOLOGY CO LTD
Priority to CNU2008201246422U priority Critical patent/CN201314836Y/en
Application granted granted Critical
Publication of CN201314836Y publication Critical patent/CN201314836Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an oil-water boundary instrument for an electric dehydrator, which comprises an electric dehydration tank and the oil-water boundary instrument assembled on the electric dehydration tank to measure the oil-water boundary in the electric dehydration tan. The oil-water boundary instrument which is inversely assembled at the bottom opening of the electric dehydration tank further comprises a measuring staff-protecting tube, a boundary floater and a measuring staff, wherein the hollow measuring staff-protecting tube is fixed in the electric dehydration tank; one port of the measuring staff-protecting tube is positioned outside the bottom opening of the electric dehydration tank; the boundary floater in which a permanent magnet is assembled is freely assembled on the measuring staff-protecting tube and positioned in the electric dehydration tank; the measuring staff is a magnetostrictive liquid level sensor; the rod-shaped end of the measuring staff is inserted in the measuring staff-protecting tube through the port of the measuring staff-protecting tube positioned outside the opening of the electric dehydration tank; and the other end of the measuring staff is connected with an electric control part positioned outside the electric dehydration tank through a cable. When the oil-water boundary instrument of the utility model fails, production does not need to be stopped, and the oil-water boundary instrument can be directly and electrically repaired without being disassembled from the electric dehydration tank.

Description

Electrical dehydrator water-oil interface instrument
Technical field
The utility model relates to a kind of water-oil interface instrument that adopts magnetostrictive liquid level sensor to measure electrical dewatering jar water-oil interface position.
Background technology
At present, capacitance type sensor is adopted in the measurement of electrical dewatering jar water-oil interface position usually, it be utilize electric capacitance change to measure the position of water-oil interface (oily specific inductive capacity is 2, water is 80), in recent years, the water-oil interface instrument that continuous quantity occurred, can see the dynamic change of electrical dewatering jar water-oil interface in the pulpit, but because spy is opened in the oil field for many years, the crude oil underground storage is fewer and feweri, and water flood recovery (secondary recovery) is adopted for guaranteeing crude production rate in each oil field, the part oil field is in order to guarantee crude production rate, improve the crude content of extraction liquid, adopt chemical substance such as polymkeric substance to inject the underground displacement of reservoir oil (tertiary oil recovery), injecting underground chemical substance has conduction, insulation is also arranged, the crude oil of extraction had both contained conductive materials like this, also contained megohmite insulant, and this just makes the specific inductive capacity of pot liquid also change, thereby the position of using capacitive transducer to measure water-oil interface is forbidden, can't correctly show and control real water-oil interface position, the control that makes the mistake easily brings unnecessary loss.
Summary of the invention
Technical problem to be solved in the utility model is, a kind of electrical dehydrator water-oil interface instrument is provided, and to overcome existing capacitance type sensor when electrical dewatering pot liquid specific inductive capacity changes, can not accurately measure the deficiency of water-oil interface in the electrical dewatering jar.
For achieving the above object, electrical dehydrator water-oil interface instrument of the present utility model, comprise that an electrical dewatering jar and is installed in the water-oil interface instrument of measuring water-oil interface in this electrical dewatering jar on this electrical dewatering jar, it is characterized in that, the upside-down mounting of described water-oil interface instrument is at the bottom of this electrical dewatering jar jar mouth, and this water-oil interface instrument further comprises:
One measuring staff pillar is a hollow tubular, is fixedly mounted in this electrical dewatering jar, and wherein a port of this measuring staff pillar is placed on the bottom jar mouth of electrical dewatering jar;
One interface float is equipped with permanent magnet in it, freely be sheathed on this measuring staff pillar, is positioned at this electrical dewatering jar;
One measuring staff is a magnetostrictive liquid level sensor, and wherein the port of the measuring staff pillar of the shaft-like end of this measuring staff by being placed on electrical dewatering jar mouth is plugged in this measuring staff pillar, and the other end of this measuring staff connects the electrical control division that is placed on this electrical dewatering jar by cable.
Above-mentioned electrical dehydrator water-oil interface instrument is characterized in that, described water-oil interface instrument also comprises:
One stops the back-up ring that the interface float comes off, and this back-up ring is installed in the draw-in groove of described measuring staff pillar end.
Above-mentioned electrical dehydrator water-oil interface instrument is characterized in that the pillar root of described measuring staff pillar also welds one section reinforced pipe, forms double pipe structure with this measuring staff pillar.
Above-mentioned electrical dehydrator water-oil interface instrument, it is characterized in that, the bottom jar mouth of described electrical dewatering jar is equipped with one jar of mouth flange, also is fixed with a sensor mounting flange on this jar mouth flange, and described measuring staff pillar is fixedlyed connected with described electrical dewatering jar by this sensor mounting flange.
Above-mentioned electrical dehydrator water-oil interface instrument is characterized in that, described measuring staff pillar and described measuring staff are by being threaded, so that the shaft-like end of described measuring staff is set in this measuring staff pillar.
Above-mentioned electrical dehydrator water-oil interface instrument is characterized in that, described measuring staff pillar and described sensor mounting flange are by the fixed installation that is threaded.
Above-mentioned electrical dehydrator water-oil interface instrument is characterized in that, also is provided with a liquid-inlet and a liquid outlet on the described electrical dewatering jar, and this import is connected a pump respectively with outlet, and this pump connects described electrical control division by cable.
Above-mentioned electrical dehydrator water-oil interface instrument is characterized in that, is provided with O-ring seal between described measuring staff pillar and described sensor mounting flange; Between described measuring staff pillar and described measuring staff, be provided with O-ring seal.
Above-mentioned electrical dehydrator water-oil interface instrument is characterized in that an end of described measuring staff pillar is provided with a hollow web member, and this hollow web member cover is welded in the outside, an end of this measuring staff pillar.
Above-mentioned electrical dehydrator water-oil interface instrument is characterized in that, described measuring staff pillar is threaded with described measuring staff by the pipe internal thread of this hollow web member, and the pipe external thread by this hollow web member is threaded with described sensor mounting flange.
Compared with prior art, the beneficial effects of the utility model are:
The utility model provides the electrical dehydrator water-oil interface instrument of a kind of physical construction and electrical structure separate design, makes when liquid dielectric changes in the electrical dewatering jar, still can accurately measure the position of water-oil interface; After the utility model adopted electric wiring and physical construction separate design, in a single day product broke down, and need not pull down the water-oil interface instrument from the electrical dewatering jar and just can directly carry out electrical maintenance, and not influence the normal operation of electrical dewatering jar.Adopt magnetostrictive liquid level sensor to measure the liquid level interface instrument of liquid-level interface position in the electrical dewatering jar in addition, this liquid level interface instrument utilizes the ball float principle, measure the position of liquid surface by electrical dewatering pot liquid proportion difference, have precision height, good reproducibility, reliable and stable, non-contact measurement, characteristics such as the life-span is long, environmental suitability is strong.
Description of drawings
Fig. 1 is the scheme of installation of the utility model electrical dehydrator water-oil interface instrument;
Fig. 2 is the structural representation of the utility model electrical dehydrator water-oil interface instrument;
Fig. 3 is a measuring staff contour structures synoptic diagram in the utility model;
Fig. 4 is the structural representation of measuring staff pillar in the utility model;
Fig. 5 is the assembly structure cross-sectional schematic of measuring staff and measuring staff pillar in the utility model;
Fig. 6 is the structural representation of electrical dewatering jar in the utility model;
Fig. 7 is the assembling synoptic diagram of measuring staff pillar and electrical dewatering jar in the utility model;
Fig. 8 is the application synoptic diagram of the utility model electrical dehydrator water-oil interface instrument.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is explained in detail, with further understanding the purpose of this utility model, scheme and effect, but not as the restriction to the utility model claim protection domain.
With reference to figure 1 and Fig. 2, be structural representation of the present utility model, electrical dehydrator water-oil interface instrument of the present utility model comprises the liquid level interface instrument of an electrical dewatering jar 7 and upside-down mounting water-oil interface in this electrical dewatering pot bottom is measured this electrical dewatering jar, described liquid level interface instrument further comprises: a measuring staff 1, a measuring staff pillar 2, an interface float 3 and a back-up ring 4, wherein, measuring staff pillar 2 is a hollow tubular, be fixedly mounted in this electrical dewatering jar 7, wherein a port of this measuring staff pillar 2 is placed on the jar mouth of electrical dewatering pot bottom; In the interface float 3 permanent magnet is housed, it freely is sheathed on the measuring staff pillar 2, is positioned at this electrical dewatering jar 7; Measuring staff 1 is a magnetostrictive liquid level sensor, and the port of the measuring staff pillar of the shaft-like end of this measuring staff 1 by being placed on electrical dewatering jar mouth is plugged in this measuring staff pillar 2, and the other end of this measuring staff 1 connects the electrical control division that is placed on this electrical dewatering jar by cable.
With reference to figure 3, Fig. 4 and Fig. 5, be respectively the structural representation and the assembling synoptic diagram thereof of measuring staff and measuring staff pillar in the utility model, measuring staff pillar 2 is a hollow tubular, wherein stretch into sheathed interface float 3 on the end in the electrical dewatering jar 7, be provided with a draw-in groove 22 at this port, back-up ring 4 is installed in this draw-in groove 22, comes off from measuring staff pillar 2 to prevent interface float 3.The other end at measuring staff pillar 2 is provided with a hollow web member 21, these web member 21 1 end covers are welded in an end of measuring staff pillar, the other end of web member 21 is provided with internal thread 210, corresponding connecting portion is provided with the external thread 120 that matches on measuring staff 1, make measuring staff 1 and measuring staff pillar 2 by being threaded, when sensor breaks down, under electrical dewatering jar normal operation, can take off measuring staff easily and safeguard.The root of measuring staff pillar 2 also is provided with a reinforced pipe 23, the root of this reinforced pipe 23 can be set on the measuring staff pillar 2 by the root that is welded on above-mentioned web member 21, also be provided with O-ring seal 6 between measuring staff 1 and measuring staff pillar 2, sealing circle 6 is provided with between web member 21 and the measuring staff 1.
With reference to figure 6 and Fig. 7, be respectively the structural representation of electrical dewatering jar in the utility model and the assembling synoptic diagram of measuring staff pillar and electrical dewatering jar.Be equiped with one jar of mouth flange 8 at the bottom of electrical dewatering jar 7 jar mouth, be installed with a sensor mounting flange 9 on this jar mouth flange 8, this jar mouth flange 8 is connected with nut 11 by bolt 10 with sensor mounting flange 9 and is fixed on the bottom jar mouth of electrical dewatering jar.Outer end, bottom at the web member 21 of measuring staff pillar 2 also is provided with external thread, the mounting hole of respective sensor mounting flange 9 is provided with internal thread, measuring staff pillar 2 and sensor mounting flange 9 be by being threaded, and make the measuring staff pillar vertically fall to insert to be installed in the electrical dewatering jar 7.Please refer to Fig. 5 again, between described web member 21 and described sensor mounting flange 9, be provided with O-ring seal 5, make measuring staff pillar 2 be connected with the electrical dewatering Jar opening sealer.
With reference to figure 8, application synoptic diagram for the utility model electrical dehydrator water-oil interface instrument, also be provided with a liquid-inlet 71 and a liquid outlet 72 on the described electrical dewatering jar 7, this import 71 is connected a pump 710 respectively with outlet 72, and this pump connects electrical control division 110 by cable.
The utility model provides a kind of water-oil interface instrument that adopts magnetostrictive liquid level sensor to measure water-oil interface position in the electrical dewatering jar, this water-oil interface instrument utilizes the ball float principle, by the different positions of measuring water-oil interface of crude oil in the electrical dewatering jar with the proportion of water, adopt physical construction and electrical structure isolating construction, be not subjected to the influence of the change in dielectric constant of medium.Characteristics such as magnetostrictive liquid level sensor has precision height, good reproducibility, reliable and stable, non-contact measurement, the life-span is long, environmental suitability is strong.Its output signal is a real absolute position output, be not ratio or need the signal of processing and amplifying again, so there is not the situation of drift or variate, therefore needn't need periodic calibrating and maintenance as other liquid level sensor; Exactly because its output signal is an absolute figure,, more need not return to zero-bit again so can not receive the formation problem to data even power interruption recloses also.The electronic unit in magnetostrictive liquid level sensor electronics storehouse produces a current impulse when measuring the water-oil interface position, and this electric current produces a magnetic field simultaneously and moves downward along waveguide filament.The interface float moves with the change of liquid-level interface along measuring staff, owing in the float of interface a group permanent-magnet is arranged, so ball float produces a magnetic field simultaneously.When magnetic field and the ball float magnetic field addition formation helical magnetic field that electric current produces, produce instantaneous torsion, make the waveguide filament twisting and produce tension pulse, this pulse is passed back along waveguide filament with fixing speed, produce the induction current pulse at the coil two ends and promptly return pulse, by measuring the position of water-oil interface in initial pulse and the accurately definite electrical dewatering jar of mistiming that returns between the pulse.
Though the utility model discloses as above with preferred embodiment; right its is not in order to limit the utility model; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.

Claims (10)

1, a kind of electrical dehydrator water-oil interface instrument, comprise that an electrical dewatering jar and is installed in the water-oil interface instrument of measuring water-oil interface in this electrical dewatering jar on this electrical dewatering jar, it is characterized in that the upside-down mounting of described water-oil interface instrument is at the bottom of this electrical dewatering jar jar mouth, this water-oil interface instrument further comprises:
One measuring staff pillar is a hollow tubular, is fixedly mounted in this electrical dewatering jar, and wherein a port of this measuring staff pillar is placed on the bottom jar mouth of electrical dewatering jar;
One interface float is equipped with permanent magnet in it, freely be sheathed on this measuring staff pillar, is positioned at this electrical dewatering jar;
One measuring staff is a magnetostrictive liquid level sensor, and wherein the port of the measuring staff pillar of the shaft-like end of this measuring staff by being placed on electrical dewatering jar mouth is plugged in this measuring staff pillar, and the other end of this measuring staff connects the electrical control division that is placed on this electrical dewatering jar by cable.
2, electrical dehydrator water-oil interface instrument according to claim 1 is characterized in that, described water-oil interface instrument also comprises:
One stops the back-up ring that the interface float comes off, and this back-up ring is installed in the draw-in groove of described measuring staff pillar end.
3, electrical dehydrator water-oil interface instrument according to claim 1 is characterized in that, the pillar root of described measuring staff pillar also welds one section reinforced pipe, forms double pipe structure with this measuring staff pillar.
4, electrical dehydrator water-oil interface instrument according to claim 1, it is characterized in that, the bottom jar mouth of described electrical dewatering jar is equipped with one jar of mouth flange, also be fixed with a sensor mounting flange on this jar mouth flange, described measuring staff pillar is fixedlyed connected with described electrical dewatering jar by this sensor mounting flange.
5, electrical dehydrator water-oil interface instrument according to claim 1 is characterized in that, described measuring staff pillar and described measuring staff are by being threaded, so that the shaft-like end of described measuring staff is set in this measuring staff pillar.
6, electrical dehydrator water-oil interface instrument according to claim 4 is characterized in that, described measuring staff pillar and described sensor mounting flange are by the fixed installation that is threaded.
7, electrical dehydrator water-oil interface instrument according to claim 1 is characterized in that, also is provided with a liquid-inlet and a liquid outlet on the described electrical dewatering jar, and this import is connected a pump respectively with outlet, and this pump connects described electrical control division by cable.
8, electrical dewatering jar liquid level interface instrument according to claim 5 is characterized in that, is provided with O-ring seal between described measuring staff pillar and described sensor mounting flange; Between described measuring staff pillar and described measuring staff, be provided with O-ring seal.
9, electrical dehydrator water-oil interface instrument according to claim 1 is characterized in that, an end of described measuring staff pillar is provided with a hollow web member, and this hollow web member is sleeved on outside the end of this measuring staff pillar and surveys.
10, electrical dehydrator water-oil interface instrument according to claim 9, it is characterized in that, described measuring staff pillar is threaded with described measuring staff by the pipe internal thread of this hollow web member, and the pipe external thread by this hollow web member is threaded with described sensor mounting flange.
CNU2008201246422U 2008-12-15 2008-12-15 Oil-water boundary instrument for electric dehydrator Expired - Fee Related CN201314836Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201246422U CN201314836Y (en) 2008-12-15 2008-12-15 Oil-water boundary instrument for electric dehydrator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201246422U CN201314836Y (en) 2008-12-15 2008-12-15 Oil-water boundary instrument for electric dehydrator

Publications (1)

Publication Number Publication Date
CN201314836Y true CN201314836Y (en) 2009-09-23

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Application Number Title Priority Date Filing Date
CNU2008201246422U Expired - Fee Related CN201314836Y (en) 2008-12-15 2008-12-15 Oil-water boundary instrument for electric dehydrator

Country Status (1)

Country Link
CN (1) CN201314836Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109983310A (en) * 2016-10-25 2019-07-05 雅培实验室 The assessment and control of reagent in automatic glass carrier preparation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109983310A (en) * 2016-10-25 2019-07-05 雅培实验室 The assessment and control of reagent in automatic glass carrier preparation
CN109983310B (en) * 2016-10-25 2021-11-05 雅培实验室 Automated slide preparation reagent assessment and control

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Legal Events

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090923

Termination date: 20161215