CN205840826U - A kind of secondary separation device in oil/gas drilling liquid recovery system - Google Patents
A kind of secondary separation device in oil/gas drilling liquid recovery system Download PDFInfo
- Publication number
- CN205840826U CN205840826U CN201620578015.0U CN201620578015U CN205840826U CN 205840826 U CN205840826 U CN 205840826U CN 201620578015 U CN201620578015 U CN 201620578015U CN 205840826 U CN205840826 U CN 205840826U
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- China
- Prior art keywords
- moving stop
- drilling fluid
- screen frame
- fixed dam
- screen cloth
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Abstract
The utility model discloses the secondary separation device in a kind of oil/gas drilling liquid recovery system, including screen frame and screen cloth, screen frame is provided with some fixed dams, fixed dam is perpendicular to the spring of fixed dam towards being provided with on the side of screen cloth entrance, spring connects cushion pad, also include moving stop, moving stop is parallel to fixed dam, the part that moving stop is positioned on screen frame is provided with the rotating shaft being parallel to screen frame normal direction, described rotating shaft is provided with screw thread on the side of bottom, rotating shaft bottom is run through moving stop and is inserted on screen frame in the screw arranged, the side of moving stop and cushion contact.This device makes the liquid phase in drilling fluid separate further with solid phase; strengthen screening effect; the liquid phase avoided in drilling fluid in screening process also has not enough time to separate with solid phase at just along with solid phase movement to screened outlet; cause the loss of liquid phase capable of circulation; not only reduce the use cost of drilling fluid, also protect environment.
Description
Technical field
This utility model relates to drilling fluid reclamation field, and the secondary being specifically related in a kind of oil/gas drilling liquid recovery system divides
From device.
Background technology
Drilling fluid is the general name of the various circulation of fluids used in drilling process, and drilling fluid is also referred to as drilling mud.?
In drilling process, drilling fluid can effectively cool down and lubricate drill bit, additionally it is possible to balancing layer pressure, it is to avoid blowout and well occur
Gushing, in addition, drilling fluid can also transmit power and coring sampling.Different according to disperse medium, drilling fluid is broadly divided into water
Base drilling fluid, oil base drilling fluid gentle base drilling fluid three major types.
In drilling process, drilling fluid enters to bottom by drilling rod, after completing its effect with drilling well in produce useless
Slag is discharged together, owing to drilling fluid not only price is high but also understands welding, so should reclaim drilling fluid, solid controlling
System is for reclaiming drilling fluid.Solid controlling system is also called drilling-fluid circulation system and drilling fluid cleaning system.Solid controlling system
System mainly includes the solid control equipments such as drilling fluid vibrating sieve, vacuum degasser, desander, desilter, horizontal spiral centrifuge.These
Solid control equipment, just as a series of sizes, sieve that function is different, realizes the purification to drilling fluid and recycling by filtering layer by layer.
Drilling fluid vibrating sieve is for circulation of drilling fluid, the one-level solid control equipment of cleaning system, has oscillation intensity height, sieve
Facet amasss the features such as big.Drilling fluid vibrating sieve is mainly used in removing bore meal particles bigger in drilling fluid, safeguards the property of drilling fluid
Can the treatment effect of solid control equipment after ensureing and service life, be equipment most important in solid controlling system.
The screening process of drilling fluid vibrating sieve includes liquid phase and crosses screen cloth and enter from screen cloth on screen cloth with solid phase in screen box
The mobile outlet to screen cloth of mouth.When drilling fluid is positioned on screen box the screen cloth arranged, biphase the beginning to of solid-liquid separates.Solid-liquid two
Will not be immediately disconnected mutually, the screening mechanism of tradition drilling fluid vibrating sieve is likely to occur solid phase particles with liquid phase also in screening process
It is not able to do in time the most just to have left screen cloth, causes the drilling fluid liquid phase loss that can reclaim, not only pollute environment and also add brill
Well cost.
Utility model content
Technical problem to be solved in the utility model is the shortcoming for tradition drilling fluid vibrating sieve screening mechanism, purpose
It is to provide the secondary separation device in a kind of oil/gas drilling liquid recovery system, solves traditional drilling fluid vibrating sieve and be sieving through
Journey occurring, solid phase particles and liquid phase are not able to do in time the most just to have left screen cloth, causes recyclable liquid phase loss in drilling fluid
Problem.
This utility model is achieved through the following technical solutions: the secondary separation dress in a kind of oil/gas drilling liquid recovery system
Put, including screen frame, in screen frame, be provided with screen cloth, along the entrance of screen cloth to Way out, spaced set on screen frame
Having some fixed dams, fixed dam to be perpendicular to screen frame with the longer sides of the contact surface of screen frame, the height of fixed dam is parallel
In the normal direction of screen frame, fixed dam is perpendicular to the spring of fixed dam, bullet towards being provided with on the side of screen cloth entrance
Spring connects cushion pad, also includes moving stop, and moving stop is between fixed dam and screen cloth entrance, and moving stop is parallel
In fixed dam, the top of the part that moving stop is positioned on screen frame is provided with the rotating shaft being parallel to screen frame normal direction,
Rotating shaft is provided with screw thread on the side of bottom, and rotating shaft bottom is run through moving stop and is inserted on screen frame the screw arranged
In, the side of moving stop and cushion contact.In prior art, the screen box of drilling fluid vibrating sieve and the equal slant setting of screen cloth,
The height of drilling fluid porch, more than the height in exit, when drilling fluid enters screen cloth from drilling fluid vibrating sieve entrance, bores
Solid phase in well liquid is positioned at above screen cloth, moves the exit to screen cloth from the porch of screen cloth, and the liquid phase in drilling fluid is solid
During screened outlet moves in opposite directions, gradually separated with solid phase by effect of vibration, and enter to below screen cloth through screen cloth
Screen box in, finally carry out further in screen box exit is collected the liquid phase of drilling fluid and is transferred to the solid control equipment of next stage
Separation.But, the screening mechanism of traditional drilling fluid vibrating sieve uniquely relies on screen cloth and sieves, and screen cloth is arranged on screen frame
In, screen frame is the edge at screen box top, in screening process part tape-supported adhesive have the solid particle of drilling fluid liquid phase the most not with
Just have moved to exit when liquid phase separation is opened be collected, cause the liquid phase loss that can be recycled in drilling fluid.Due to
Drilling fluid liquid phase not only comprises disperse medium such as water, further comprises the chemical substances such as inorganic agent, be not only not easy to process, also can
Pollute environment, and, add the use cost of drilling fluid.In order to solve the problems referred to above, the utility model proposes a kind of use
Secondary separation device in drilling fluid vibrating sieve.This device includes moving stop and fixed dam, and moving stop is parallel to solid
Determine baffle plate and between fixed dam and screen cloth entrance, the screen cloth entrance i.e. charging aperture of drilling fluid vibrating sieve.Moving stop and
A part for fixed dam is respectively positioned on screen frame, and another part is positioned on screen cloth, and wherein, fixed dam is fixed on screen frame
On, the top, one end that moving stop is positioned on screen frame is provided with rotating shaft, and the activity of rotating shaft lower end runs through bottom moving stop and inserts
Entering to screen frame in the screw arranged, moving stop can be around rotating shaft System of Rotating about Fixed Axis.Rotating shaft is provided with near the side of bottom
The screw thread matched with the screw hole dimensions on screen frame, is threaded connection, and can carry out more by the parts such as countershaft, moving stop
Change.Being provided with spring between moving stop and fixed dam, spring is vertically mounted on the side of fixed dam, spring and mobile gear
On one end of plate contact, cushion pad is installed.When drilling fluid flows into from screen cloth entrance, drilling fluid is same effect vibrated
In time, impinge upon on moving stop, and drilling fluid produces impulse force to moving stop, and moving stop produces counteracting force to drilling fluid, counter makees
After firmly acting on drilling fluid, owing in drilling fluid, liquid phase is different from the bounce-back dynamics of solid phase, the distance of solid phase bounce-back is relatively
The distance of liquid phase bounce-back is remote, separates the solid phase in drilling fluid and liquid phase the most further, it is to avoid liquid phase also has not enough time to and solid phase
Separate just along with solid phase movement to screened outlet, cause drilling fluid liquid phase capable of circulation to lose；It addition, a part of liquid phase also can be glued
Be attached on moving stop, along with effect of vibration slowly from moving stop landing to entering screen box on screen cloth and eventually through sieve aperture
In, this Partial Liquid Phase not only achieves and separates with solid phase, moreover it is possible to plays the shock alleviating drilling fluid to moving stop, plays guarantor
Protect the effect of moving stop.Moving stop, after by the shock of drilling fluid, can do System of Rotating about Fixed Axis around rotating shaft, but, away from
One end of rotating shaft can be integrated by the supporting role of spring in rotary course, and moving stop, can court after being clashed into
Fixed dam moves a segment distance, is rebounded by the support of spring afterwards, is so possible not only to shed a part of impulse force, will punching
Power is transferred on cushion pad and spring, it is to avoid moving stop damages in frequently clashing into, and increases movement also by spring simultaneously
The baffle plate bounce-back dynamics to drilling fluid, further such that the liquid phase in drilling fluid separates with solid phase, it addition, moving stop is by rotation
Transfer to the side avoiding part drilling fluid and being deposited in moving stop.This device makes the liquid phase in drilling fluid enter one with solid phase
Step separates, and strengthens screening effect, it is to avoid in screening process, the when that especially the influx of drilling fluid increasing suddenly, bores
Liquid phase in well liquid also has not enough time to separate with solid phase at just along with solid phase movement to screened outlet, causes the stream of liquid phase capable of circulation
Lose, not only reduce the use cost of drilling fluid, also protect environment.
Further, 1.5 to 2 times of a length of fixed dam length of moving stop.In this device, moving stop plays
Separate solid phase and the effect of liquid phase in drilling fluid further, fixed dam is installed spring moving stop is played resilient support
Effect.Find through practice, if the length of moving stop is less than 1.5 times of fixed dam length, moving stop and drilling fluid
Contact area the least, inferior separating effect, part drilling fluid also can be deposited in the side of fixed dam；If the length of moving stop
Degree is more than 2 times of fixed dam length, owing to moving stop is located proximate to rotating shaft by spring supporting effect so that mobile gear
The rotational steps of plate is excessive, cannot return to original position in time and stop drilling fluid after shedding part impulse force, and blocking effect is poor.
Further, moving stop surface scribbles synthetic enamel.Synthetic enamel is mainly used in the protection of metal surface, due to
Moving stop can be frequently by the shock in drilling fluid, and the solid phase of drilling fluid can produce scraping to its surface, reduce moving stop
Life-span, the surface of moving stop can be played a protective role, extend its service life by synthetic enamel.In practice, mainly make
With the antirust enamel paint of C53-31, this enamel paint has good adhesive force and pliability, it is possible to play good to moving stop surface
Protected effect.
Further, one end that spring is positioned on screen cloth near fixed dam.Spring is arranged on fixed dam and is positioned at screen cloth
On one end it can be avoided that the anglec of rotation of moving stop is excessive, cause blocking effect to reduce.
Further, cushion pad is made up of nitrile rubber.Nitrile rubber not only has cushioning effect, can shed moving stop
On part impulse force, also there is certain intensity and frictional behaviour so that spring is support during moving stop will not be by
Occur relative movement to cause support effect to be deteriorated between moving stop, make moving stop cannot return to original position.
This utility model compared with prior art, has such advantages as and beneficial effect:
1, this utility model is on the basis of the effect of vibration of tradition screen of vibration screen for well drill liquid, by increasing moving stop,
Liquid phase in drilling fluid is separated further with solid phase, strengthens screening effect, it is to avoid in screening process, especially drilling well
The when that the influx of liquid increasing suddenly, the liquid phase in drilling fluid also has not enough time to separate with solid phase just along with solid phase movement is to sieve
Net exit, causes the loss of liquid phase capable of circulation, not only reduces the use cost of drilling fluid, also protect environment；
2, this utility model is provided with fixed dam, spring and cushion pad so that moving stop, can court after being clashed into
Fixed dam moves a segment distance, is rebounded by the support of spring afterwards, is so possible not only to shed a part of impulse force, will punching
Power is transferred on cushion pad and spring, it is to avoid moving stop damages in frequently clashing into, and increases movement also by spring simultaneously
The baffle plate bounce-back dynamics to drilling fluid, further such that the liquid phase in drilling fluid separates with solid phase, it addition, moving stop is by rotation
Transfer to the side avoiding part drilling fluid and being deposited in moving stop；
3, this utility model passes through practical application, finds to work as 1.5 to 2 times of a length of fixed dam length of moving stop
Time, the screening effect of moving stop is best, if the length of moving stop is less than 1.5 times of fixed dam length, and moving stop
The least with the contact area of drilling fluid, inferior separating effect, part drilling fluid also can be deposited in the side of fixed dam；If it is mobile
The length of baffle plate, more than 2 times of fixed dam length, owing to moving stop is located proximate to rotating shaft by spring supporting effect, makes
The rotational steps obtaining moving stop is excessive, cannot return to original position in time and stop drilling fluid, stop after shedding part impulse force
Weak effect；
4, this utility model scribbles the antirust enamel paint of C53-31 on moving stop surface, owing to moving stop can frequently be bored
Shock in well liquid, the solid phase of drilling fluid can produce scraping to its surface, reduce the life-span of moving stop, the antirust enamel paint of C53-31
The surface of moving stop can be played a protective role, extend its service life.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by this utility model embodiment, constitutes the one of the application
Part, is not intended that the restriction to this utility model embodiment.In the accompanying drawings:
Fig. 1 is this utility model structural representation.
The parts title of labelling and correspondence in accompanying drawing:
1-screen frame, 2-screen cloth, 3-rotating shaft, 4-fixed dam, 5-cushion pad, 6-spring, 7-moving stop.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and explanation thereof are only used for explaining this
Utility model, is not intended as restriction of the present utility model.
Embodiment
As it is shown in figure 1, this utility model is the secondary separation device in a kind of oil/gas drilling liquid recovery system, including screen cloth
Frame 1, is provided with screen cloth 2 in screen frame 1, along the entrance of screen cloth 2 to Way out, be equidistantly provided with some on screen frame 1
Fixed dam 4, fixed dam 4 is perpendicular to screen frame 1 with the longer sides of the contact surface of screen frame 1, and the height of fixed dam 4 is parallel to
The normal direction of screen frame 1, fixed dam 4 is perpendicular to the spring 6 of fixed dam 4 towards being provided with on the side of screen cloth 2 entrance,
Spring 6 connects cushion pad 5, also includes moving stop 7, and moving stop 7 is between fixed dam 4 and screen cloth 2 entrance, mobile
Baffle plate 7 is parallel to fixed dam 4, and the top that mobile gear 7 is positioned at the part on screen frame 1 is provided with and is parallel to screen frame 1 normal
The rotating shaft 3 in direction, rotating shaft 3 is provided with screw thread on the side of bottom, and rotating shaft 3 bottom is run through moving stop 7 and is inserted into screen cloth
In the screw arranged on frame 1, the side of moving stop 7 contacts with cushion pad 5.The a length of fixed dam 4 of moving stop 7 is long
1.5 to 2 times of degree.Moving stop 7 surface scribbles synthetic enamel.Spring 6 is positioned at the one end on screen cloth 2 near fixed dam 4.Slow
Die head 5 is made up of nitrile rubber.When drilling fluid flows into from screen cloth 2 entrance, drilling fluid clashes into while effect vibrated
On moving stop 7, moving stop 7 by the counteracting force of drilling fluid being separated further the solid phase in drilling fluid and liquid phase,
Avoid liquid phase also to have not enough time to solid phase and separate just along with solid phase movement to screened outlet, cause drilling fluid liquid phase capable of circulation to damage
Lose；Moving stop 7, after being clashed into, can move a segment distance towards fixed dam, be rebounded by the support of spring 6 afterwards,
So it is possible not only to shed a part of impulse force, impulse force is transferred on cushion pad 5 and spring 6, it is to avoid moving stop 7 is frequently hitting
Hit damage, increase the moving stop 7 bounce-back dynamics to drilling fluid also by spring 6 simultaneously, further such that in drilling fluid
Liquid phase separate with solid phase, it addition, moving stop 7 avoids part drilling fluid by turning effort is deposited in moving stop 7
Side.This device makes the liquid phase in drilling fluid separate further with solid phase, strengthens screening effect, it is to avoid at screening process
In, the when that especially the influx of drilling fluid increasing suddenly, the liquid phase in drilling fluid also have not enough time to separate with solid phase just with
Solid phase movement to screen cloth 2 exit, cause the loss of liquid phase capable of circulation, not only reduce the use cost of drilling fluid, also protect
Protect environment.
Above-described detailed description of the invention, is entered the purpose of this utility model, technical scheme and beneficial effect
One step describes in detail, be it should be understood that and the foregoing is only detailed description of the invention of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all within spirit of the present utility model and principle, any amendment, the equivalent made are replaced
Change, improvement etc., within should be included in protection domain of the present utility model.
Claims (5)
1. the secondary separation device in oil/gas drilling liquid recovery system, including screen frame (1), described screen frame sets in (1)
Be equipped with screen cloth (2), it is characterised in that along the entrance of screen cloth (2) to Way out, at screen frame (1) if on be equidistantly provided with
Dry fixed dam (4), described fixed dam (4) is perpendicular to screen frame (1) with the longer sides of the contact surface of screen frame (1), fixing
The height of baffle plate (4) is parallel to the normal direction of screen frame (1), and fixed dam (4) is provided with on the side of screen cloth (2) entrance
Being perpendicular to the spring (6) of fixed dam (4), described spring (6) connects cushion pad (5), also includes moving stop (7), described
Moving stop (7) is positioned between fixed dam (4) and screen cloth (2) entrance, and moving stop (7) is parallel to fixed dam (4), mobile
Baffle plate (7) is positioned at the top of the part on screen frame (1) and is provided with the rotating shaft (3) being parallel to screen frame (1) normal direction, described
Rotating shaft (3) is provided with screw thread on the side of bottom, and rotating shaft (3) bottom is run through moving stop (7) and is inserted on screen frame (1)
In the screw arranged, the side of moving stop (7) contacts with cushion pad (5).
Secondary separation device in a kind of oil/gas drilling liquid recovery system the most according to claim 1, it is characterised in that institute
State 1.5 to 2 times of a length of fixed dam (4) length of moving stop (7).
Secondary separation device in a kind of oil/gas drilling liquid recovery system the most according to claim 1, it is characterised in that institute
State moving stop (7) surface and scribble synthetic enamel.
Secondary separation device in a kind of oil/gas drilling liquid recovery system the most according to claim 1, it is characterised in that institute
State spring (6) and be positioned at the one end on screen cloth (2) near fixed dam (4).
Secondary separation device in a kind of oil/gas drilling liquid recovery system the most according to claim 1, it is characterised in that institute
State cushion pad (5) to be made up of nitrile rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620578015.0U CN205840826U (en) | 2016-06-15 | 2016-06-15 | A kind of secondary separation device in oil/gas drilling liquid recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620578015.0U CN205840826U (en) | 2016-06-15 | 2016-06-15 | A kind of secondary separation device in oil/gas drilling liquid recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205840826U true CN205840826U (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620578015.0U Expired - Fee Related CN205840826U (en) | 2016-06-15 | 2016-06-15 | A kind of secondary separation device in oil/gas drilling liquid recovery system |
Country Status (1)
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| CN (1) | CN205840826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106075977A (en) * | 2016-06-15 | 2016-11-09 | 成都来宝石油设备有限公司 | Secondary separation plate in oil/gas drilling fluid circulation |
-
2016
- 2016-06-15 CN CN201620578015.0U patent/CN205840826U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106075977A (en) * | 2016-06-15 | 2016-11-09 | 成都来宝石油设备有限公司 | Secondary separation plate in oil/gas drilling fluid circulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20161228 Termination date: 20170615 |