CN102580360B - Degassing equipment, fluid suction structure thereof and fluid suction head of fluid suction structure - Google Patents

Degassing equipment, fluid suction structure thereof and fluid suction head of fluid suction structure Download PDF

Info

Publication number
CN102580360B
CN102580360B CN201210030250.0A CN201210030250A CN102580360B CN 102580360 B CN102580360 B CN 102580360B CN 201210030250 A CN201210030250 A CN 201210030250A CN 102580360 B CN102580360 B CN 102580360B
Authority
CN
China
Prior art keywords
fluid suction
suction head
feed liquor
storage box
mud
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.)
Active
Application number
CN201210030250.0A
Other languages
Chinese (zh)
Other versions
CN102580360A (en
Inventor
李明利
李明春
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.)
XINLIDA PETROLEUM TECHNOLOGY DEVELOPMENT Co Ltd TIANJIN PORT BONDED AREA
Original Assignee
XINLIDA PETROLEUM TECHNOLOGY DEVELOPMENT Co Ltd TIANJIN PORT BONDED AREA
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 XINLIDA PETROLEUM TECHNOLOGY DEVELOPMENT Co Ltd TIANJIN PORT BONDED AREA filed Critical XINLIDA PETROLEUM TECHNOLOGY DEVELOPMENT Co Ltd TIANJIN PORT BONDED AREA
Priority to CN201210030250.0A priority Critical patent/CN102580360B/en
Publication of CN102580360A publication Critical patent/CN102580360A/en
Application granted granted Critical
Publication of CN102580360B publication Critical patent/CN102580360B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Degasification And Air Bubble Elimination (AREA)

Abstract

Degassing equipment, a fluid suction structure thereof and a fluid suction head of the fluid suction structure relate to an on-line degassing device for mud sucked in petroleum exploration drillings. A fluid suction head is provided with a fluid suction head body, and a fluid suction pipe portion is arranged on the fluid suction head body and is communicated with a fluid outlet of the fluid suction head body to suck mud; the fluid suction pipe portion is connected with a fluid inlet of the hose pump to feed the mud into the hose pump; and the fluid suction head body is provided with a fluid feed filter end plate for filtering the mud. The degassing equipment is provided with the fluid suction structure, the fluid suction structure is provided with the fluid suction head, and the fluid suction head is provided with a block clearing structure. According to the reasonable matching between the fluid suction structure and a sealing structure of a degasser, purposes of on-line degassing, constant current degassing and quantification degassing are achieved, and further, degassing efficiency is improved.

Description

Degassing equipment and imbibition structure thereof and fluid suction head thereof
Technical field
The invention belongs to compound logging and mud logging equipment, relate to the device mud proposed in oil exploration drilling being departed from online to gas, particularly draw imbibition structure and the fluid suction head thereof of slurry liquid.
Background technology
Degassing equipment is the pith in compound logging and mud logging equipment, and it bears the important task whether sample gas more can represent the true air content on stratum, directly affects the accuracy evaluated oil gas field.
The linguistic term of industry to it is not halted all the time.
In oil exploration drilling, propose mud, and depart from gas online, for this kind of degassing equipment, equipment how can be allowed in degassed operation better to realize " constant current ", " quantitatively ", is that industry is constantly sought all the time.
The intention thinking of this case is reasonable disposition peristaltic pump on degasser, and in the liquid feeding end reasonable disposition fluid suction head of degasser, better realizes the object that online " constant current ", " quantitatively " are degassed thus.
Existing peristaltic pump, as the satisfactory peristaltic pump that published Chinese patent application 200410008362.1 planetary gear drives, belong to a kind of mechanical pump, can be used for object beyond the fluid needs that are transferred and pipeline completely isolated with the occasion of the safety ensureing its pure or its surrounding environment, as: analytical instrument, medical treatment, pharmacy, diet, chemical industry, nuclear energy, space flight, environmental protection and the field such as control automatically.It is detoured more than 360 ° by silicone tube to pass in the cannelure of the pump housing again, is equipped with unique drive wheel mechanism that can automatically load and discharge, and allows three of symmetric arrays pressure rollers with the continuous roll extrusion and working on sebific duct of the mode of planetary gear.Because working track is satisfactory, the radial pressure suffered by driving mechanism can be cancelled out each other, and therefore driving moment is minimum, noise is extremely low.Various all drawbacks of taking turns pressure type peristaltic pump and producing because the working trajectory of pinch roller is not full circle before overcoming.
And for example published Chinese patent application 201,010,272,106 1 kinds of peristaltic pumps, it comprises pump case, the end cap that pump case side is arranged and the flexible pipe arranged along the inner circumferential wall of pump case, flexible pipe two ends stretch outside and fixing to pump case, rotor and the main shaft for drive rotor that arrange concentric on rotor is also provided with in pump case, rotor outer periphery is provided with pressure roller, pressure roller and the inner circumferential wall of pump case form to extrude the batch (-type) of flexible pipe and coordinate, the periphery of rotor is also provided with sheave, sheave is fixed by shaft support, rotating shaft two ends are installed on rotor, rotating shaft, rotor is parallel with the centre of gyration of pressure roller, on sheave, the cross section of groove is in " U " shape, the bottom camber line of " U " shape groove of sheave and the cambered surface of flexible pipe outer wall are coincide, the width of rebate of sheave and hose outside diameter are coincide.
For another example published Chinese patent 201,020,174,488 1 kinds of peristaltic pumps, comprise: pump case, be arranged on the flexible pipe in pump case, be arranged on the material extrusion circle rotor on pump case, the pump interface be connected with flexible pipe, be arranged on the pump chamber in pump case, flexible pipe is connected with pump chamber, and material extrusion circle to be pressed on flexible pipe and to be connected with material extrusion circle rotor; At least one deck anti-tensile explosion-proof net is provided with in flexible pipe.
Existing comparatively progressive degasser, as published Chinese patent 201020691996.2 1 kinds of degassers, belongs to compound logging and mud logging equipment, relates to the device mud proposed in oil exploration drilling being departed from online to gas.It has tank body and the stirring body of accommodating mud, and stirring body is used for stretching into tank body and stirs mud; Tank body has mud entrance and slurry outlet, and wherein, tank chamber body is set to stir chamber step by step, this step by step stir chamber be separate into classification chamber by being configured in the intrinsic block pulp assembly of tank; Described block pulp assembly is made up of first gear lodicule and second gear lodicule, first gear lodicule have can with the married outer rim of tank inner body wall and access opening, this outer rim is combined with tank body, and this access opening is for the formation of the passage of lower spillage liquid.Tank body in this case degasser is arranged to " drawer formula " chamber that can stir step by step, in conjunction with the reasonable disposition of block pulp assembly, slurries can be made to stir more fully in stirring chamber at the corresponding levels, realizes step by step fully stirring, object fully degassed step by step.This is the formerly invention of applicant in this case.
And for example published Chinese patent 201120047777.5 1 kinds of passive degassers and tank body thereof and mud conditioning body thereof.Wherein, the loose slurry unit in mud conditioning body is made up of upper loose slurry element and lower loose slurry element.Tank body upper part arranges assembling end cap, and this assembling end cap is made up of the airtight seam of end cap and assembled end.Mud conditioning body is by slurry unit one in tandem of faling apart, and mud conditioning body is fixedly mounted in tank body by assembling end cap, and the unsettled assembling mode in lower end is fixed in the upper end of formation.This case is that the accuracy of sample gas collection data provides guarantee, for detecting that the true air content on stratum provides guarantee.This is also the formerly invention of applicant in this case.
Industry urgently by further improvement to prior art, such that degassing equipment can realize online, constant current, quantitatively degassed object.
Summary of the invention
This case problem to be solved is the above-mentioned defect overcoming aforementioned techniques existence, and a kind of constant current imbibition structure and fluid suction head thereof of degassing equipment are provided, and there is the degassing equipment of aforementioned imbibition structure and fluid suction head thereof, below in conjunction with concrete technical measures, select and will illustrate structure effect feature.
Technical solution problem of the present invention is taked following technical scheme to realize, according to a kind of fluid suction head for degassing equipment provided by the invention, wherein, described fluid suction head has fluid suction head body, described fluid suction head body has liquid collecting cavity, and this liquid collecting cavity is for holding the mud be inhaled into; Described fluid suction head body is arranged body fluid port, this body fluid port is the passage that the mud holding liquid collecting cavity flows out; Pipette portion is arranged in fluid suction head body and with the body fluid port of described fluid suction head and is communicated with, and draws mud; This pipette portion is connected with the inlet of peristaltic pump again, is responsible for mud to send into peristaltic pump; Described fluid suction head body has feed liquor and filters end plate, for filtering mud.
This case technical solution problem can also take following technical scheme to realize further:
The aforementioned fluid suction head for degassing equipment, wherein, described fluid suction head is arranged and hinders structure clearly, this clearly resistance structure be scraper plate with can hard to bear drive shaft and can filter with feed liquor the feed liquor that end plate is arranged on fluid suction head for form that horizontal basal plane rotates and filter on end plate.
The aforementioned fluid suction head for degassing equipment, wherein, the liquid collecting cavity of described fluid suction head body filters end plate and this driveshaft end and the feed liquor liquid collecting cavity sidewall filtered between end plate by driveshaft end and feed liquor and jointly forms the shape chamber holding mud.
The aforementioned fluid suction head for degassing equipment, wherein, the feed liquor of described fluid suction head body filters the feed liquor end that end plate is arranged on fluid suction head body, this feed liquor filters end plate for blocking the feed liquor port of liquid collecting cavity, install driveshaft end in the other end of fluid suction head body, this driveshaft end is connected by fluid suction head shaft joint with driving shaft.
The aforementioned fluid suction head for degassing equipment, wherein, described feed liquor filtration end plate distributes feed liquor sieve aperture, and described feed liquor sieve aperture has default aperture, and the feed liquor sieve aperture be distributed on feed liquor filtration end plate forms the sieve aperture feed pathway can filtering mud jointly.
The aforementioned fluid suction head for degassing equipment, wherein, described clear resistance structure installation is that scraper plate is arranged on the feed liquor filter end plate level end face of fluid suction head by fluid suction head connecting shaft element and securing member, this fluid suction head connecting shaft element is combined with driving shaft by fluid suction head shaft joint, forms driving shaft and can drive scraper plate and the structure rotated for horizontal basal plane with feed liquor filtration end plate.
The aforementioned fluid suction head for degassing equipment, wherein, described clear resistance structure installation is that scraper plate is arranged on the feed liquor filter end plate level end face of fluid suction head by fluid suction head connecting shaft element and securing member, this fluid suction head connecting shaft element is combined with driving shaft by fluid suction head shaft joint, forms driving shaft and can drive scraper plate and the structure rotated for horizontal basal plane with feed liquor filtration end plate; Further, in the liquid collecting cavity of fluid suction head body, by the secondary scraper plate of fluid suction head connecting shaft arrangements of components, filter the one side towards liquid collecting cavity of end plate for clearing up feed liquor.
The aforementioned fluid suction head for degassing equipment, wherein, described scraper plate is by an erection of frames scraping blade.
The aforementioned fluid suction head for degassing equipment, wherein, the length of scraper plate should be suitable with the maximum caliber of feed liquor port.
The aforementioned fluid suction head for degassing equipment, wherein, the length of described scraper plate is suitable with point cloth cover maximum gauge of feed liquor sieve aperture.
Thus, the driveshaft end of fluid suction head is combined with fluid suction head body and scraper plate, form fluid suction head liquid collecting cavity on the one hand, form the structure that can drive scraper plate or rotate for horizontal basal plane with feed liquor filtration end plate with secondary scraper plate on the other hand, block to avoid the grains of sand larger in mud the feed liquor sieve aperture that feed liquor filters end plate.
The aforementioned fluid suction head for degassing equipment, wherein, the pipette internal diameter diameter in described pipette portion is more than or equal to or is not less than the bore of the body fluid port of fluid suction head body.
The aforementioned fluid suction head for degassing equipment, wherein, the inlet opening of described pipette liquid storage box is suitable with the body fluid port bore of this fluid suction head body.
The aforementioned fluid suction head for degassing equipment, wherein, the aperture of described feed liquor sieve aperture is set to diameter and is less than 2 millimeters.
The aforementioned fluid suction head for degassing equipment, wherein, the aperture of described feed liquor sieve aperture is set to diameter and is not more than 2 millimeters.
The aforementioned fluid suction head for degassing equipment, wherein, described feed liquor sieve aperture is set to the Sieve texture of the summary tapering that exit orifice is little, endoporus is large, aperture one end of tapering feed liquor sieve aperture is exit orifice, it filters on the horizontal end face of end plate at feed liquor, and the hole diameter of described tapering feed liquor sieve aperture is set to be less than 2 millimeters.
The aforementioned fluid suction head for degassing equipment, wherein, the hole diameter of described tapering feed liquor sieve aperture is set to be not more than 2 millimeters.
The aforementioned fluid suction head for degassing equipment, wherein, described pipette portion is made up of pipette and pipette liquid storage box, and the liquid storage cylinder volume of described pipette liquid storage box is less than the liquid collecting cavity volume of fluid suction head body.
The aforementioned fluid suction head for degassing equipment, wherein, point cloth cover of described feed liquor sieve aperture is consistent with the aperture area of liquid collecting cavity feed liquor port.
Thus, this pipette liquid storage box is connected with pipette on the one hand, is responsible for the mud will sucked from liquid collecting cavity, closes in chamber, in order to the needs of the continuous imbibition of pipette; On the other hand, this pipette liquid storage box is connected by the body fluid port of inlet opening and fluid suction head body, and pipette liquid storage box is responsible in the mud suction chamber by liquid collecting cavity, takes this to define the another chamber having liquid outlet and inlet, can be communicated with liquid collecting cavity.
The aforementioned fluid suction head for degassing equipment, wherein, the body fluid port of described fluid suction head body is arranged on liquid collecting cavity sidewall, and the outer surface by this liquid collecting cavity sidewall arranges pipette portion installation base surface, and this pipette portion installation base surface is for installing the pipette liquid storage box in pipette portion.
Arrange liquid storage box thus and be assemblied in fluid suction head body sidewall by securing member, not only fluid suction head is rational in infrastructure, and integraty is strong, easy to use, and liquid collecting cavity and liquid storage cylinder adjoin the cutout problem can effectively avoided in imbibition process.The concrete structure of driveshaft end is, one end of described driveshaft end is the horizontal end face of driveshaft end, and it is responsible for the one end blocking liquid collecting cavity, jointly forms the liquid collecting cavity of fluid suction head thus in conjunction with feed liquor filter end plate and liquid collecting cavity sidewall; The other end of driveshaft end is shaft joint end, for configuring fluid suction head shaft joint.
The aforementioned fluid suction head for degassing equipment, wherein, described fluid suction head shaft joint is set to moment of torsion shaft joint, and for when flexible axle moment of torsion is excessive, moment of torsion shaft joint automatic clutch, allows flexible axle suspend and rotate.
Technical solution problem of the present invention is taked following technical scheme to realize, according to a kind of imbibition structure with the degassing equipment of aforementioned arbitrary fluid suction head provided by the invention, comprise peristaltic pump, fluid suction head, wherein, the liquid feeding end of described peristaltic pump installs fluid suction head, described fluid suction head is used for drawing mud from drilling well, the outlet end of peristaltic pump and the mud entrance of degasser seal to construct and combine, wherein, described peristaltic pump has the rotating disk and flexible pipe that can rotate with pressure roller, rotating disk distributes the pressure roller arranged, and described pressure roller is uniform, and to be arranged on rotating disk circumferentially concentrically ringed; Described mud entrance sealing structure refers to that the tank body mud entrance of degasser is all the time by the structure of liquid level shutoff.
This case technical solution problem can also take following technical scheme to realize further:
The imbibition structure of aforementioned degassing equipment, wherein, the radius that the flexible pipe of described peristaltic pump is set to flexible pipe pipe thickness and flexible pipe endoporus is suitable.
The imbibition structure of aforementioned degassing equipment, wherein, when this flexible pipe is not extruded by pressure roller, when being in release conditions, the diameter of flexible pipe endoporus is equivalent to flexible pipe pipe thickness and flexible pipe internal bore radius sum.
The imbibition structure of aforementioned degassing equipment, wherein, when this flexible pipe is extruded by pressure roller, when flexible pipe is in closure state, the tube wall gross thickness of flexible pipe is equivalent to 2 times of pipe thicknesses.
The imbibition structure of aforementioned degassing equipment, wherein, when the flexible pipe of described peristaltic pump is in release conditions, hose diameter size accounts for 2/3 or 5/7 of the length of pressure roller.
The imbibition structure of aforementioned degassing equipment, wherein, when flexible pipe is in closure state, the flexible pipe pipe thickness of 2 times is suitable with the radius size of pressure roller.
The imbibition structure of aforementioned degassing equipment, wherein, the flexible pipe width dimensions of closure state is suitable with the length of pressure roller.
The imbibition structure of aforementioned degassing equipment, wherein, the width dimensions of flexible pipe is slightly less than the length of pressure roller.
The imbibition structure of aforementioned degassing equipment, wherein, the uniform setting of pressure roller of described peristaltic pump, hexagonal angle of being separated by between adjacent pressure roller.
The imbibition structure of aforementioned degassing equipment, wherein, the diameter of the flexible pipe endoporus of described peristaltic pump is greater than the pipette interior diameter in pipette portion.
The imbibition structure of aforementioned degassing equipment, wherein, the diameter of flexible pipe endoporus is more than or equal to the mouth diameter of peristaltic pump inlet.
The imbibition structure of aforementioned degassing equipment, wherein, each pressure roller is equal to the distance in the rotating disk center of circle, and each pressure roller lays respectively at circumferentially same.
Technical solution problem of the present invention is taked following technical scheme to realize, according to a kind of degassing equipment with aforementioned arbitrary fluid suction head or aforementioned arbitrary degassing equipment imbibition structure provided by the invention, comprise degasser, peristaltic pump, fluid suction head, wherein, described driving shaft is flexible axle; Described fluid suction head shaft joint is set to moment of torsion shaft joint; Described degasser has airtight construction, and this airtight construction seals structure and mud entrance sealing structure and air-draft-type exhaust outlet by slurry outlet to form.
This case technical solution problem can also take following technical scheme to realize further:
Aforesaid degassing equipment, wherein, the exhaust outlet of described degasser is set to the exhaust outlet that can form suction by negative pressure of vacuum, has both been air-draft-type exhaust outlet.
Aforesaid degassing equipment, wherein, described tank body sludge outlet has slurry outlet sealing structure, and this slurry outlet sealing structure refers to that tank body slurry outlet is all the time by the structure of liquid level shutoff.
Aforesaid degassing equipment, wherein, described slurry outlet sealing structure arranges the first slurry storage box at tank body sludge outlet, the first slurry storage box pilot trench is provided with in this first slurry storage box, tank body slurry outlet portion has the pulp conduit that can stretch in the first slurry storage box pilot trench, and this first slurry storage box pilot trench planted agent has the first sealing liquid level; The first demarcation strip is formed between the female groove of described first slurry storage box and pilot trench.
Aforesaid degassing equipment, wherein, the first slurry storage box pilot trench faces tank body slurry outlet and forms storage slurry seal groove.
Aforesaid degassing equipment, wherein, the first demarcation strip upper edge hole should lower than the first slurry storage box bead higher than pulp conduit oral area.
Aforesaid degassing equipment, wherein, along being the flooding point meeting storage slurry seal groove sealing liquid level on the first demarcation strip, leaves the spacing held slurries and flow out bottom pulp conduit oral area and the first slurry storage box.
Aforesaid degassing equipment, wherein, described mud entrance sealing structure arranges the second slurry storage box at tank body mud entrance end, also known as the female groove of the second slurry storage box, be provided with the second slurry storage box pilot trench in this second slurry storage box, between the female groove of the second slurry storage box and pilot trench, form the second demarcation strip.
Aforesaid degassing equipment, wherein, the second slurry storage box pilot trench has the second slurry storage box pilot trench serum outlet communicated with tank body mud entrance, and this second slurry storage box pilot trench has the vallecular cavity that can hold mud liquid pushing tube and stretch into;
Aforesaid degassing equipment, wherein, described second demarcation strip upper edge hole lower than the second slurry storage box bead, and higher than mud liquid pushing tube oral area, should form storage slurry seal groove.
Aforesaid degassing equipment, wherein, the second demarcation strip upper edge hole is the flooding point meeting storage slurry seal groove sealing liquid level, leaves spacing bottom mud liquid pushing tube oral area and slurry storage box.
Aforesaid degassing equipment, wherein, the described mud liquor charging mouth of pipe stretches into the second slurry storage box pilot trench, and the second slurry storage box pilot trench has full slurries and forms the second sealing liquid level.
Aforesaid degassing equipment, wherein, current limliting back-up ring is installed in the second slurry storage box pilot trench and tank body mud entrance junction.
Form this case degassing equipment thus and there is imbibition structure; In imbibition structure, there is fluid suction head; Fluid suction head has and hinders structure clearly.The reasonable coordination of the airtight construction of imbibition structure and degasser, can realize constant current, quantitatively degassed online object, thus improve degassing efficiency further.
Technical solution problem of the present invention is taked following technical scheme to realize, according to a kind of degassing equipment provided by the invention, comprise Power output portion, degasser, peristaltic pump, fluid suction head, described peristaltic pump installs fluid suction head, and described fluid suction head is used for drawing mud from drilling well, and peristaltic pump is connected with degasser, wherein, described peristaltic pump has the rotating disk and flexible pipe that can rotate with pressure roller, and rotating disk distributes the pressure roller arranged, and described pressure roller is uniform, and to be arranged on rotating disk circumferentially concentrically ringed.
Aforementioned degassing equipment, wherein, described degasser has the tank body of accommodating mud, and described tank body has mud entrance and slurry outlet; Described tank body mud entrance place has mud entrance sealing structure, and this mud entrance sealing structure refers to that tank body mud entrance is all the time by the structure of liquid level shutoff.
Aforementioned degassing equipment, wherein, described fluid suction head has fluid suction head body, described fluid suction head body has liquid collecting cavity, for holding the mud be inhaled into; Described fluid suction head body is arranged body fluid port, this body fluid port is the passage that the mud holding liquid collecting cavity flows out; Pipette portion is arranged in fluid suction head body and with the body fluid port of described fluid suction head and is communicated with, and draws mud; This pipette portion is connected with the inlet of peristaltic pump again, is responsible for mud to send into peristaltic pump; Described fluid suction head body has feed liquor and filters end plate, for filtering mud.
The mud entrance sealing structure of degassing equipment by peristaltic pump, degasser and the imbibition structure of fluid suction head formation degassing equipment thus, both: the slurry outlet sealing structure by degasser makes the outlet end of peristaltic pump by fluid-tight, the inlet of peristaltic pump draws by the pipette portion of fluid suction head the mud filtered through fluid suction head, forms better imbibition ability with this.
This case technical solution problem can also take following technical scheme to realize further:
Aforementioned degassing equipment, wherein, the liquid collecting cavity of described fluid suction head body filters end plate and this driveshaft end and the feed liquor liquid collecting cavity sidewall filtered between end plate by driveshaft end and feed liquor and jointly forms the shape chamber holding mud.
Aforementioned degassing equipment, wherein, the feed liquor of described fluid suction head body filters the feed liquor end that end plate is arranged on fluid suction head body, this feed liquor filters end plate for blocking the feed liquor port of liquid collecting cavity, install driveshaft end in the other end of fluid suction head body, this driveshaft end is connected by fluid suction head shaft joint with driving shaft.
Aforementioned degassing equipment, wherein, described feed liquor filtration end plate distributes feed liquor sieve aperture, and described feed liquor sieve aperture has default aperture, and the feed liquor sieve aperture be distributed on feed liquor filtration end plate forms the sieve aperture feed pathway can filtering mud jointly.
Aforementioned degassing equipment, wherein, described fluid suction head is arranged and hinders structure clearly, and described clear resistance structure is scraper plate with can hard to bear drive shaft and can filter with feed liquor the feed liquor that end plate is arranged on fluid suction head for form that horizontal basal plane rotates and filter on end plate.
The imbibition structure of degassing equipment further defines the structure that fluid suction head can be filtered and can be hindered clearly thus, and it can effectively be avoided, and the grains of sand larger in mud are stifled, resistance feed liquor sieve aperture, make fluid suction head feed liquor filter end plate and cleared up in time, guarantee that feed liquor is unobstructed.
Aforementioned degassing equipment, wherein, the radius that the flexible pipe of described peristaltic pump is set to flexible pipe pipe thickness and flexible pipe endoporus is suitable.
Aforementioned degassing equipment, wherein, when this flexible pipe is not extruded by pressure roller, when being in release conditions, the diameter of flexible pipe endoporus is equivalent to flexible pipe pipe thickness and flexible pipe internal bore radius sum.
Aforementioned degassing equipment, wherein, when this flexible pipe is extruded by pressure roller, when flexible pipe is in closure state, the tube wall gross thickness of flexible pipe is equivalent to 2 times of pipe thicknesses, both: the tube wall gross thickness of flexible pipe is equivalent to 2h.
The structure installation of hose of hose pump can further improve the imbibition ability of equipment thus, makes it the needs being more suitable for drawing mud.
Aforementioned degassing equipment, wherein, when the flexible pipe of described peristaltic pump is in release conditions, hose diameter size accounts for 2/3 or 5/7 of the length of pressure roller.
Aforementioned degassing equipment, wherein, when this flexible pipe is in closure state, the flexible pipe width dimensions of closure state is suitable with the length dimension of pressure roller.
Aforementioned degassing equipment, wherein, the width dimensions of flexible pipe is slightly less than the length of pressure roller.
Aforementioned degassing equipment, wherein, the flexible pipe pipe thickness of 2 times and the radius size of pressure roller are suitable, and both two flexible pipe pipe thicknesses were equivalent to the radius of pressure roller.
The reasonable disposition of flexible pipe and pressure roller thus, flexible pipe in the pump housing can not be crushed easily, and after being subject to pressure roller extruding, original state can be returned to rapidly, thus improve the suction of peristaltic pump, thus peristaltic pump is made to have satisfactory stronger self-suction and more high-lift.
Aforementioned degassing equipment, wherein, the diameter of flexible pipe endoporus is greater than the pipette interior diameter in pipette portion.
Aforementioned degassing equipment, wherein, the diameter of flexible pipe endoporus is more than or equal to the mouth diameter of peristaltic pump inlet.
Aforementioned degassing equipment, wherein, the pipette internal diameter diameter in described pipette portion is more than or equal to or is not less than the bore of the body fluid port of fluid suction head body.
Aforementioned degassing equipment, wherein, the inlet opening of described pipette liquid storage box is suitable with the body fluid port bore of this fluid suction head body.
Aforementioned degassing equipment, wherein, the aperture of described feed liquor sieve aperture is set to be less than 2 millimeters, or the aperture of described feed liquor sieve aperture is set to be not more than 2 millimeters.
The structure installation of peristaltic pump and the setting in pipette portion and the structure installation of fluid suction head body thus, and the Proper Match between them, effectively can improve the suction capactity of fluid suction head further, the larger grains of sand can be made to foreclose.
Aforementioned degassing equipment, wherein, described feed liquor sieve aperture is set to the Sieve texture of the summary tapering that exit orifice is little, endoporus is large, and aperture one end of tapering feed liquor sieve aperture is exit orifice, it filters on the horizontal end face of end plate at feed liquor, and the hole diameter of described tapering feed liquor sieve aperture is set to be less than 2 millimeters.
Aforementioned degassing equipment, wherein, the hole diameter of described tapering feed liquor sieve aperture is set to be not more than 2 millimeters; Accordingly, macropore one end of tapering feed liquor sieve aperture is endoporus, facing to liquid collecting cavity.
The larger mud grains of sand that the exit orifice of tapering feed liquor sieve aperture is responsible for not conforming with size thus foreclose, and conform with size, profile irregular mud sand grains can enter liquid collecting cavity along gradually bigbore passage is smooth and easy.
Aforementioned degassing equipment, wherein, described degasser has airtight construction, and this airtight construction seals structure and mud entrance sealing structure and air-draft-type exhaust outlet by slurry outlet to form.
Aforementioned degassing equipment, wherein, the exhaust outlet of described degasser is set to the exhaust outlet that can form suction by negative pressure of vacuum, has both been air-draft-type exhaust outlet.
Aforementioned degassing equipment, wherein, described tank body sludge outlet has slurry outlet sealing structure, and this slurry outlet sealing structure refers to that tank body slurry outlet is all the time by the structure of liquid level shutoff.
Thus, slurry outlet sealing structure by degasser makes the outlet end of peristaltic pump by fluid-tight, described slurry outlet sealing structure forms the degasser with airtight construction in conjunction with described mud entrance sealing structure and air-draft-type exhaust outlet, thus mud can be realized in whole degasification process, be all in airtight condition, the gas that sample air pump is collected is all the gas that mud is deviate from stir process, not only effectively can improve the accuracy of sample gas Data Collection, and described imbibition structure is formed with the airtight construction of degasser and coordinates, constant current can be realized, quantitatively degassed online object, thus improve degassing efficiency further.
Aforementioned degassing equipment, wherein, described slurry outlet sealing structure arranges the first slurry storage box at tank body sludge outlet, also known as the female groove of the first slurry storage box, the first slurry storage box pilot trench is provided with in this first slurry storage box, tank body slurry outlet portion has the pulp conduit that can stretch in the first slurry storage box pilot trench, and this first slurry storage box pilot trench planted agent has the first sealing liquid level.
Aforementioned degassing equipment, wherein, forms the first demarcation strip between the female groove of described first slurry storage box and pilot trench.
Aforementioned degassing equipment, wherein, described first slurry storage box pilot trench faces tank body slurry outlet and forms storage slurry seal groove.
Aforementioned degassing equipment, wherein, the first demarcation strip upper edge hole should lower than the first slurry storage box bead higher than pulp conduit oral area, and on the first demarcation strip, edge is the flooding point meeting storage slurry seal groove sealing liquid level.
Aforementioned degassing equipment, wherein, leaves the spacing held slurries and flow out bottom pulp conduit oral area and the first slurry storage box.
Aforementioned degassing equipment, wherein, the female groove of the first slurry storage box has discharge slurry outlet; First slurry storage box pilot trench has tapping regulating part.
Aforementioned degassing equipment, wherein, described mud entrance sealing structure arranges the second slurry storage box at tank body mud entrance end, also known as the female groove of the second slurry storage box, be provided with the second slurry storage box pilot trench in this second slurry storage box, between the female groove of the second slurry storage box and pilot trench, form the second demarcation strip.
Aforementioned degassing equipment, wherein, the second slurry storage box pilot trench has the second slurry storage box pilot trench serum outlet communicated with tank body mud entrance, and this second slurry storage box pilot trench has the vallecular cavity that can hold mud liquid pushing tube and stretch into; This mud liquid pushing tube is for transporting the mud from peristaltic pump.
Aforementioned degassing equipment, wherein, described second demarcation strip upper edge hole should lower than the second slurry storage box bead, and higher than mud liquid pushing tube oral area, form storage slurry seal groove, second demarcation strip upper edge hole is the flooding point meeting storage slurry seal groove sealing liquid level, leaves spacing, form the structure of fluid-tight bottom mud liquid pushing tube oral area and slurry storage box.
Aforementioned degassing equipment, wherein, the described mud liquor charging mouth of pipe stretches into the second slurry storage box pilot trench, and the second slurry storage box pilot trench has full slurries and forms the second sealing liquid level, can enter the second slurry storage box pilot trench to make mud under the pressure of the certain liquid degree of depth.
Aforementioned degassing equipment, wherein, current limliting back-up ring is installed in the second slurry storage box pilot trench and tank body mud entrance junction.
Aforementioned degassing equipment, wherein, the volume of the second slurry storage box pilot trench vallecular cavity should mate with the overcurrent bore of the second slurry storage box pilot trench current limliting back-up ring and arranges.
The fluid-tight structure formed thus can make slurries discharge from slurry conduit oral area, and first fill slurry storage box pilot trench, surplus slurries constantly overflow edge on demarcation strip, enters the female groove of slurry storage box.
Current limliting back-up ring be arranged so that mud entrance sealing structure not only forms fluid-tight to tank body mud entrance, also there is restriction mud entrance flow, quantitatively send the function of slurry.
Thus, carry out the pending slurries of flexible pipe stock pump, constantly fill slurry storage box pilot trench via mud liquid pushing tube, more slowly via tank body mud entrance, quantitative limit flows to into tank body, carries out degassed process; This case can make quantitatively degassedly to become more simple; Female groove can not only be responsible for collecting to overflow from storage slurry seal groove more than slurry, the slurries from the overflow of mud entrance structure can also be collected, Whole Equipment layout is more optimized; Degassing equipment complete machine can realize mud and all be in airtight condition in whole degasification process, the gas that sample air pump is collected is all the gas that mud is deviate from stir process, the accuracy of collecting data for sample gas provides guarantee, for detecting that the true air content on stratum provides guarantee.Mud is discharged from described discharge slurry outlet and is recycled by mud circulation pipeline.Bottom described first slurry storage box pilot trench, discharge valve port is set, facilitates the dredging of this slurry storage box pilot trench, discharge.
Aforementioned degassing equipment, wherein, described clear resistance structure installation is that scraper plate is arranged on the feed liquor filter end plate level end face of fluid suction head by fluid suction head connecting shaft element and securing member, this fluid suction head connecting shaft element is combined with driving shaft by fluid suction head shaft joint, forms driving shaft and can drive scraper plate and the structure rotated for horizontal basal plane with feed liquor filtration end plate.
Aforementioned degassing equipment, wherein, described clear resistance structure installation is that scraper plate is arranged on the feed liquor filter end plate level end face of fluid suction head by fluid suction head connecting shaft element and securing member, this fluid suction head connecting shaft element is combined with driving shaft by fluid suction head shaft joint, forms driving shaft and can drive scraper plate and the structure rotated for horizontal basal plane with feed liquor filtration end plate; Also having in the liquid collecting cavity of fluid suction head body, by the secondary scraper plate of fluid suction head connecting shaft arrangements of components, filtering the one side towards liquid collecting cavity of end plate for clearing up feed liquor.
Aforementioned degassing equipment, wherein, described scraper plate is by an erection of frames scraping blade.
Aforementioned degassing equipment, wherein, the length of described scraper plate should be suitable with the maximum caliber of feed liquor port.
Aforementioned degassing equipment, wherein, the length of described scraper plate is suitable with point cloth cover maximum gauge of feed liquor sieve aperture.
The feed liquor forming fluid suction head thus filters outside end plate face or inside and outside two sides can synchronously be swept, the clear resistance of clearing up constructs.The horizontal end face that feed liquor filters end plate is used for being combined to be formed with scraper plate hindering structure clearly, and this hinders clearly the problem being configured to the grains of sand larger in removing mud and blocking feed liquor sieve aperture, and to make, satisfactory mud is smooth and easy to be entered.
Can meet thus when scraper plate rotates and can sweep all feed liquor sieve apertures.
Aforementioned degassing equipment, wherein, the uniform setting of pressure roller of peristaltic pump, hexagonal angle of being separated by between adjacent pressure roller, each pressure roller is equal to the distance in the rotating disk center of circle, and each pressure roller lays respectively at circumferentially same.
Aforementioned degassing equipment, wherein, described driving shaft is flexible axle.
Aforementioned degassing equipment, wherein, described fluid suction head shaft joint is set to moment of torsion shaft joint.
Thus, the configuration of flexible axle can make fluid suction head visit more easily and reach the more suitable Working pasition of mud logging operation, such as, allows fluid suction head spy reach drilling fluid and is easy to flow and certain position etc. not having the place of sand setting.
Flexible pipe in peristaltic pump is by the extruding of the pressure roller of reasonable layout on rotating disk, thus the vacuum producing moment carrys out absorbent slurry, presses to Way out, continues constantly with this simultaneously, reach the object of slurry conveyed, arrange thus and be more suitable for the so complicated liquid matter of pump drilling mud.
The configuration of moment of torsion shaft joint can, when the moment of torsion of flexible axle is excessive, make flexible axle no longer rotate, and protection power source is not fragile.
The present invention compared with prior art has significant advantage and beneficial effect.
From above technical scheme, the present invention, under the structural allocation of excellence, has following advantage at least:
To sum up, the airtight construction of this case degasser arranges and degassing equipment can be made to realize mud in whole degasification process, be all in airtight condition, the gas that sample air pump is collected is all the gas that mud is deviate from stir process, the accuracy of collecting data for sample gas provides guarantee, for detecting that the true air content on stratum provides guarantee.The reasonable disposition of this case degasser airtight construction and fluid suction head and peristaltic pump makes degassing equipment have constant current, quantitatively degassed function.The structure of this case fluid suction head forms imbibition structure in conjunction with the mud entrance sealing formation of structure of peristaltic pump and degasser, makes degassing equipment be provided with better imbibition ability.
The structure of this case fluid suction head in conjunction with the reasonable disposition of flexible axle make degassing equipment not only convenient, adaptation condition condition ability is strong, also can hinder clearly in time fluid suction head, for degassing equipment can online, constant current, quantitatively degassedly to provide safeguard.This case is compared with prior art simpler and more direct, safe, reliable, is easier to operator and grasps, effectively can improve operating efficiency.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of this case degassing equipment;
Fig. 2 is the instance constructs schematic diagram that this case degassing equipment is configured on Rack Body;
Fig. 3 is the side-looking face structural representation of Fig. 2;
Fig. 4 is the side-looking face structural representation of the another example of this case degassing equipment;
Fig. 5 is peristaltic pump central section structural representation in this case;
Fig. 6 is the overall structure schematic diagram of this case fluid suction head;
Fig. 7 is the assembling decomposition texture schematic diagram of this case fluid suction head;
Fig. 8 is the tapering feed liquor sieve aperture partial enlargement structural representation of this case fluid suction head;
Fig. 9 is the organigram of one of this case degasser example (active degasser);
Figure 10 is the organigram of the another example of this case degasser (passive degasser).
Detailed description of the invention
Below in conjunction with preferred embodiment, to according to detailed description of the invention provided by the invention, feature and effect thereof, be described in detail as follows; In order to simple and clearly object, the hereafter appropriate description eliminating known technology, in order to avoid the description of those unnecessary details impact to the technical program.
Shown in Fig. 1-10, a kind of degassing equipment and imbibition structure thereof and fluid suction head thereof.
See Fig. 1-4, described degassing equipment has Power output portion, degasser 6 (also claiming degasser), peristaltic pump 2, fluid suction head 1, peristaltic pump 2 is installed fluid suction head 1, described fluid suction head is the device for drawing mud from drilling well, peristaltic pump is connected with degasser, degasser is sent into by peristaltic pump degassed by the mud that fluid suction head is drawn, sent into lower sequence by the gas deviate from via blast pipe 7 and carry out well logging analysis, wherein, the imbibition structure of degasser is formed between degasser, peristaltic pump, fluid suction head; Described imbibition structure is formed with the airtight construction of degasser and coordinates, and can realize constant current, quantitatively degassed online object, thus improve degassing efficiency further; Described fluid suction head has and hinders structure clearly.
See Fig. 6,7, described fluid suction head 1 has fluid suction head body 10, and described fluid suction head body has liquid collecting cavity 100, for holding the mud be inhaled into; Described liquid collecting cavity filters end plate 102 and this driveshaft end 103 and the feed liquor liquid collecting cavity sidewall 104 filtered between end plate 102 by driveshaft end 103 and feed liquor and jointly forms the shape chamber holding mud.
Described fluid suction head body is arranged body fluid port 1010, this body fluid port is the passage that the mud holding liquid collecting cavity flows out; Pipette portion 11 is arranged in fluid suction head body and with the body fluid port 1010 of described fluid suction head and is communicated with, and draws mud; This pipette portion 11 is connected with the inlet (sign) of peristaltic pump again, is responsible for mud to send into peristaltic pump.
The feed liquor of fluid suction head body filters end plate 102 is fixedly mounted on fluid suction head body end by securing member 1024, it is responsible for the feed liquor port 101 blocking liquid collecting cavity, described feed liquor filters end plate and has feed liquor filter end plate level end face 1020, the horizontal end face of this feed liquor filtration end plate distributes several feed liquor sieve aperture, described feed liquor sieve aperture 10210 has default aperture, several feed liquor sieve aperture be distributed on feed liquor filtration end plate forms the sieve aperture feed pathway 1021 can filtering mud jointly, and point cloth cover of described feed liquor sieve aperture is consistent with the aperture area of liquid collecting cavity feed liquor port; The horizontal end face that this feed liquor filters end plate is used for being combined to be formed with scraper plate 105 hindering structure clearly, and this hinders clearly and is configured to solve the problem removed the grains of sand larger in mud and block feed liquor sieve aperture, and to make, satisfactory mud is smooth and easy to be entered.
The aperture a of described feed liquor sieve aperture is set to be less than 2 millimeters, or the aperture a of described feed liquor sieve aperture is set to be not more than 2 millimeters;
The appearance and size of general known mud sand grains is irregular, and therefore scene is easy to occur jam phenomenon, in order to allow the further measure of the smooth and easy suction of mud is:
The Sieve texture that feed liquor sieve aperture is the summary tapering that exit orifice is little, endoporus is large is set, aperture one end of tapering feed liquor sieve aperture is exit orifice, it filters on the horizontal end face of end plate at feed liquor, the hole diameter a of described tapering feed liquor sieve aperture is set to be less than 2 millimeters, or the hole diameter a of described tapering feed liquor sieve aperture is set to be not more than 2 millimeters; Accordingly, macropore one end of tapering feed liquor sieve aperture is endoporus, and what endoporus was bigger arranged can make that mud is more smooth and easy enters liquid collecting cavity.
The exit orifice of tapering feed liquor sieve aperture is responsible for the larger mud grains of sand to foreclose thus, " No Admittance "; And can along the gradually smooth and easy liquid collecting cavity that enters of bigbore passage for satisfactory mud sand grains;
Described scraper plate 105 is arranged on the feed liquor filter end plate level end face of fluid suction head by fluid suction head connecting shaft element 1035 and securing member 10351, this fluid suction head connecting shaft element is combined with flexible axle by fluid suction head shaft joint, forms the scraper plate hard to bear driven by quill shaft of energy and the structure rotated for horizontal basal plane with feed liquor filtration end plate; The clear resistance structure formed thus can effectively avoid the grains of sand larger in mud to block up, resistance feed liquor sieve aperture, makes fluid suction head feed liquor filter end plate and is cleared up in time, guarantee that feed liquor is unobstructed.
Described scraper plate 105 can be install scraping blade 1052 by a support body 1051 to form, and the length of scraper plate should be suitable with the maximum caliber of feed liquor port; Or the length of scraper plate is suitable with point cloth cover maximum gauge of feed liquor sieve aperture; Can meet thus when scraper plate rotates and can sweep all feed liquor sieve apertures.
Described clear resistance structure can also be: in the liquid collecting cavity of fluid suction head body, secondary scraper plate (sign) is configured by fluid suction head connecting shaft element 1035, this secondary scraper plate is responsible for clearing up the one side towards liquid collecting cavity that feed liquor filters end plate, described secondary scraper plate can adopt the design of aforementioned scraper plate, also can be the configuration of other general technology, it will not go into details, the structure that the feed liquor filtration innner and outer sides, end plate face forming fluid suction head thus can synchronously be swept, clear up, and forms the another example of clear resistance structure.
At the other end of fluid suction head body fixed installation driveshaft end 103, driveshaft end is combined with fluid suction head body and scraper plate, form liquid collecting cavity on the one hand, form the structure that can drive scraper plate or rotate for horizontal basal plane with feed liquor filtration end plate with secondary scraper plate on the other hand, block to avoid the grains of sand larger in mud the feed liquor sieve aperture that feed liquor filters end plate.
The concrete structure of driveshaft end is, one end of described driveshaft end is the horizontal end face 1030 of driveshaft end, and it is responsible for the other end blocking liquid collecting cavity, jointly forms the liquid collecting cavity of fluid suction head thus in conjunction with feed liquor filter end plate 102 and liquid collecting cavity sidewall 104; The other end of driveshaft end is shaft joint end, and for configuring fluid suction head shaft joint 1034, this fluid suction head shaft joint can be prior art, and it will not go into details,
Described fluid suction head shaft joint is set to moment of torsion shaft joint, and for when flexible axle moment of torsion is excessive, moment of torsion shaft joint automatic clutch, allows flexible axle suspend and rotate.
Described moment of torsion shaft joint can be commercially available prod.Mud out from drilling well, impurity is many, and when the rotary scraping in fluid suction head runs into hardness larger sand grains, stall of may being obstructed, can damage equipment thus.The configuration of moment of torsion shaft joint can effectively avoid such rough sledding to occur, because when the moment of torsion of flexible axle is excessive, moment of torsion shaft joint can skid automatically; also flexible axle is just made no longer to rotate; utilize this feature of moment of torsion shaft joint, power source can be protected not fragile, as motor, reductor.
Shown in Fig. 6,7, flexible axle 4 is connected by fluid suction head shaft joint 1034 with the driveshaft end 103 of fluid suction head, this fluid suction head connecting shaft element is combined with flexible axle by fluid suction head shaft joint, forms the structure that flexible axle can drive scraper plate or rotate for horizontal basal plane with secondary scraper plate and with feed liquor filtration end plate; Thus, scraper plate can be realized and can remove the object that the grains of sand larger in mud block up, hinder feed liquor sieve aperture.
Described pipette portion is made up of pipette 111 and pipette liquid storage box 110, and the liquid storage cylinder volume of described pipette liquid storage box is less than the liquid collecting cavity volume of fluid suction head body; Described pipette portion is arranged in fluid suction head body by securing member 114, and this pipette liquid storage box is connected with pipette on the one hand, is responsible for the mud will sucked from liquid collecting cavity, closes in chamber, in order to the needs of the continuous imbibition of pipette; On the other hand, this pipette liquid storage box is connected by the body fluid port 1010 of inlet opening 1100 with fluid suction head body, pipette liquid storage box is responsible in the mud suction chamber by liquid collecting cavity, thus form the another chamber having liquid outlet and inlet, can be communicated with liquid collecting cavity.
The body fluid port 1010 of described fluid suction head body is arranged on liquid collecting cavity sidewall 104, thus, can arrange pipette portion installation base surface 1041 by the outer surface of liquid collecting cavity sidewall, this pipette portion installation base surface is for installing the pipette liquid storage box 110 in pipette portion; Arrange liquid storage box thus and be assemblied in fluid suction head body sidewall by securing member 114, not only fluid suction head is rational in infrastructure, and integraty is strong, easy to use, and liquid collecting cavity and liquid storage cylinder adjoin the cutout problem can effectively avoided in imbibition process.
It is generally cylindrical structure that the profile geometric shape structure of described fluid suction head body includes, but are not limited to illustrate the fluid suction head body provided, and the geometric shape structure of described liquid collecting cavity is also include, but are not limited to illustrate the structure that the liquid collecting cavity provided is cylinder die cavity.
Described peristaltic pump 2 has the rotating disk 20 and flexible pipe 22 that can rotate with pressure roller, and rotating disk distributes the pressure roller 21 arranged, and described pressure roller is uniform, and to be arranged on rotating disk circumferentially concentrically ringed, and each pressure roller comprises to the distance in the rotating disk center of circle but do not limit equal situation; Described pressure roller 21 includes but not limited to uniformly arrange three, for 3 pressure rollers, to be separated by between adjacent pressure roller hexagonal angle, 3 pressure rollers are equal to the distance in the rotating disk center of circle, 3 pressure rollers lay respectively at circumferentially same, thus, flexible pipe in described peristaltic pump is by the extruding of the pressure roller of reasonable layout on rotating disk, thus the vacuum producing moment carrys out absorbent slurry, press to Way out simultaneously, continue constantly with this, reach the object of slurry conveyed, arrange thus and be more suitable for the so complicated liquid matter of pump drilling mud.
The flexible pipe of described peristaltic pump 2 further arranges and is:
The pipe thickness h of described flexible pipe is suitable with the radius b of flexible pipe endoporus;
When flexible pipe is not extruded by pressure roller, when being in release conditions, the diameter 2b of flexible pipe endoporus is equivalent to flexible pipe pipe thickness h and flexible pipe internal bore radius b sum;
When flexible pipe is extruded by pressure roller, when flexible pipe is in closure state, the tube wall gross thickness of flexible pipe is equivalent to 2 times of pipe thicknesses, both: the tube wall gross thickness of flexible pipe is equivalent to 2h;
When described flexible pipe is in release conditions, hose diameter size B accounts for 2/3 or 5/7 of the length F of pressure roller;
When flexible pipe is in closure state, the flexible pipe width dimensions f of closure state is suitable with the length F of pressure roller; Or the width dimensions f of flexible pipe is slightly less than the length F of pressure roller; The flexible pipe pipe thickness 2h of 2 times and the Radius A size of pressure roller are suitable, and both two flexible pipe pipe thickness 2h were equivalent to the Radius A of pressure roller.
The reasonable disposition of flexible pipe and pressure roller thus, flexible pipe in the pump housing can not be crushed easily, and after being subject to pressure roller extruding, original state can be returned to rapidly, thus improve the suction of peristaltic pump, thus peristaltic pump is made to have satisfactory stronger self-suction and more high-lift.
Described peristaltic pump, wherein, the diameter of flexible pipe endoporus is greater than the pipette internal diameter of pipette 111; Or the diameter of flexible pipe endoporus is more than or equal to the bore of peristaltic pump inlet (sign);
The Proper Match of peristaltic pump and fluid suction head effectively can improve the suction capactity of fluid suction head thus.
The pipette internal diameter diameter in described pipette portion 11 is more than or equal to or is not less than the bore of the body fluid port 1010 of fluid suction head body.
The inlet opening 1100 of described pipette liquid storage box is suitable with body fluid port 1010 bore of this fluid suction head body; The Proper Match of pipette portion and fluid suction head body effectively can improve the suction capactity of fluid suction head further thus.
Degasser 6 can be installed by the body installing plate 91 of Rack Body 9, mounted motor M above degasser, power is spread out of by three-phase power output shaft via reductor 3 by this motor, both one of Power output portion example, here can adopt existing known technology, it will not go into details.
See Fig. 2, above relative degasser is the 3rd power output shaft 33, is responsible for the stirring body 63 of transmission degasser; One dypass is the second power output shaft 32, and this second power output shaft is connected with flexible axle 4 by the first shaft coupling (not shown), and existing torsion coupling can be adopted here to be connected with flexible axle, and by soft axle transmission fluid suction head 1; Another dypass is the first power output shaft 31, and this first power output shaft is connected with peristaltic pump 2 by the second shaft coupling 311, transmission peristaltic pump.
Described flexible axle 4 refers in software outer tube the rotary inner core power transmission shaft of root, and transmit power by this, flexible axle is existing known technology, and it will not go into details.The configuration of flexible axle can make fluid suction head visit more easily and reach the more suitable Working pasition of mud logging operation, such as, allows fluid suction head spy reach drilling fluid and is easy to flow and certain position etc. not having the place of sand setting.
Described degasser can be the structure as aforementioned published Chinese patent " 201020691996.2 1 kinds of degassers ", it has the tank body 61 of accommodating mud and can stretch into the stirring body of this tank body by power source driving, described power source includes but not limited to motor, motor via reducer is connected with stirring body, and described stirring body is used for stretching into tank body and stirs mud; Described tank body has mud entrance 65 and slurry outlet 66.
The another example in described Power output portion is, the situation that degasser drives without the need to power source, the output configuration of power source can be that two-phase exports, and power is spread out of by two-phase power output shaft via reductor 3 by motor M, here can adopt existing known technology, it will not go into details.
See Fig. 4, reductor 3, dypass above relative degasser is the second power output shaft 32, and this second power output shaft is connected with flexible axle by torsion coupling (not shown), and by soft axle transmission fluid suction head 1; Another dypass is the first power output shaft 31, and this first power output shaft is connected with peristaltic pump 2 by shaft coupling 311, transmission peristaltic pump.
The described degasser driven without the need to power source can be that described tank body also has mud entrance and slurry outlet as aforementioned published Chinese patent " a kind of passive degasser and tank body and mud conditioning body 201120047777.5 " thereof thereof.
Air extractor (not shown) can be connected by blast pipe 7 in the exhaust ports of degasser, air extractor can be usual technology, as sample air pump, the exhaust outlet of such degasser has just become air-draft-type exhaust outlet, because sample air pump from during exhaust outlet intake-gas with certain negative pressure of vacuum, can make that gas is easier to spin off from mud, well logging sample air pump is analyzed being sent into chromatograph by the gas deviate from.
Further, degasser has airtight construction, and this airtight construction seals structure 601 and mud entrance sealing structure 602 and air-draft-type exhaust outlet by slurry outlet to form.
Described air-draft-type exhaust outlet is exactly connect air extractor at described degasser exhaust outlet 7 place, air extractor can be usual technology, as sample air pump, such pedestal exhaust outlet has just become air-draft-type exhaust outlet, because sample air pump from during exhaust outlet intake-gas with certain negative pressure of vacuum, can make that gas is easier to spin off from mud.
Described slurry outlet sealing structure 601 arranges the first slurry storage box 601-0 at tank body sludge outlet, also known as the female groove of the first slurry storage box, the first slurry storage box pilot trench 601-1 is provided with in this first slurry storage box, tank body slurry outlet portion 66 has the pulp conduit 661 that can stretch in the first slurry storage box pilot trench, this the first slurry storage box pilot trench planted agent has the first sealing liquid level 601-1c, thus, slowly the mud flowed out along pulp conduit can constantly fill the first slurry storage box pilot trench, keeps the tank body slurry outlet in operation to be close off by liquid level all the time;
Further, the first demarcation strip 601-1a is formed between the female groove of first slurry storage box and pilot trench, first slurry storage box pilot trench 601-1 faces tank body slurry outlet and forms storage slurry seal groove, first demarcation strip upper edge hole 601-1b should lower than the first slurry storage box bead 601-0a higher than pulp conduit oral area 661-0, along being the flooding point meeting storage slurry seal groove sealing liquid level on first demarcation strip, bottom pulp conduit oral area and the first slurry storage box, 601-11 leaves the spacing held slurries and flow out, to form fluid-tight structure, slurries are discharged from pulp conduit oral area thus, first fill the first slurry storage box pilot trench, surplus slurries constantly overflow edge on the first demarcation strip, enter the female groove of the first slurry storage box, the female groove of first slurry storage box has discharge slurry outlet 601-6, first slurry storage box pilot trench has tapping regulating part 601-7.
Described mud entrance sealing structure 602 arranges the second slurry storage box 602-0 at tank body mud entrance end, also known as the female groove of the second slurry storage box, be provided with the second slurry storage box pilot trench 602-1 in this second slurry storage box, between the female groove of the second slurry storage box and pilot trench, form the second demarcation strip 602-1a.
Second slurry storage box pilot trench 602-1 has the second slurry storage box pilot trench serum outlet communicated with tank body mud entrance 65, and this second slurry storage box pilot trench has the vallecular cavity that can hold mud liquid pushing tube G and stretch into, and this mud liquid pushing tube is for transporting the mud from peristaltic pump 2.
Described second demarcation strip upper edge hole 602-1b should lower than the second slurry storage box bead 602-0a, and higher than mud liquid pushing tube oral area G1, form storage slurry seal groove, second demarcation strip upper edge hole is the flooding point meeting storage slurry seal groove sealing liquid level, leave spacing bottom mud liquid pushing tube oral area and slurry storage box, form the structure of fluid-tight; The described mud liquor charging mouth of pipe stretches into the second slurry storage box pilot trench, and the second slurry storage box pilot trench has full slurries and forms the second sealing liquid level 602-1c, can enter the second slurry storage box pilot trench to make mud under the pressure of the certain liquid degree of depth; Current limliting back-up ring is installed in second slurry storage box pilot trench and tank body mud entrance junction, current limliting back-up ring can be conventional means, and it will not go into details, and current limliting back-up ring carrys out coutroi velocity by the restriction of overcurrent bore, with the inflow tank body making mud energy quantitative, to meet the process of equipment to different mud;
The volume of the second slurry storage box pilot trench vallecular cavity should mate with the overcurrent bore of the second slurry storage box pilot trench current limliting back-up ring, so not only can make to keep full mud to be sent in the second slurry storage box pilot trench, can also ensure that slurries send into stir chamber process continually.Thus, mud entrance sealing structure not only forms fluid-tight to tank body mud entrance, also has restriction mud entrance flow, quantitatively send the function of slurry.
Thus, carry out the pending slurry liquid of peristaltic pump, constantly fill the second slurry storage box pilot trench via mud liquid pushing tube, more slowly via tank body mud entrance, quantitative limit flows to into tank body, carries out degassed process; Due to the configuration of current limiting back-up ring, can make quantitatively degassedly to become more simple, can be overflowed along edge on the second demarcation strip by the surplus slurries of current limliting, slurry through pipe road 67 is configured between the female groove of second slurry storage box and the female groove of the first slurry storage box, be transported to the female groove of the first slurry storage box from the slurries of the second slurry storage box pilot trench overflow by this slurry through pipe road, discharge via the female groove discharge slurry outlet of the first slurry storage box.
Thus female groove can not only be responsible for collect from storage slurry seal groove overflow more than slurry, can also collect from mud entrance structure overflow slurries, the Whole Equipment layout being more is optimized;
Thus, the degasser of this case can realize mud and all be in airtight condition in whole degasification process, the gas that sample air pump is collected is all the gas that mud is deviate from stir process, the accuracy of collecting data for sample gas provides guarantee, for detecting that the true air content on stratum provides guarantee.
Mud is discharged from described discharge slurry outlet and is recycled by mud circulation pipeline.
Bottom described first slurry storage box pilot trench, discharge valve port is set, facilitates the dredging of this slurry storage box pilot trench, discharge.
" be equivalent to " situation that a word is interpreted as herein slightly larger than or is slightly less than or equals.
This case be rationally arranged so that the mud after degassed can also turn back in mud ditch again, after mud sucks from fluid suction head thus, all the time process can be accepted under relatively airtight condition, can extraneous factor be effectively avoided to disturb, thus constant current, quantitatively degassed object can be realized, effectively can improve degassing efficiency.
After the preferred embodiment described in detail, being familiar with this technology personage can clearly understand, and do not departing under following claim and spirit and can carry out various change and amendment, and the present invention is not also limited to the embodiment of illustrated embodiment in description.

Claims (11)

1. the imbibition structure of a degassing equipment, comprise peristaltic pump (2), fluid suction head (1), it is characterized in that, the liquid feeding end of described peristaltic pump installs fluid suction head, described fluid suction head is used for drawing mud from drilling well, the outlet end of peristaltic pump and the mud entrance of degasser seal to construct and combine, wherein, described peristaltic pump (2) has the rotating disk (20) and flexible pipe (22) that can rotate with pressure roller, rotating disk distributes the pressure roller (21) arranged, and described pressure roller is uniform, and to be arranged on rotating disk circumferentially concentrically ringed; Described mud entrance sealing structure refers to that tank body mud entrance is all the time by the structure of liquid level shutoff;
The radius that the flexible pipe (22) of described peristaltic pump is set to flexible pipe pipe thickness and flexible pipe endoporus is suitable;
When this flexible pipe is not extruded by pressure roller, when being in release conditions, the diameter of flexible pipe endoporus is equivalent to flexible pipe pipe thickness and flexible pipe internal bore radius sum;
When this flexible pipe is extruded by pressure roller, when flexible pipe is in closure state, the tube wall gross thickness of flexible pipe is equivalent to 2 times of pipe thicknesses;
Described fluid suction head (1) has fluid suction head body (10), and described fluid suction head body has liquid collecting cavity (100), and this liquid collecting cavity is for holding the mud be inhaled into; Described fluid suction head body is arranged body fluid port (1010), this body fluid port is the passage that the mud holding liquid collecting cavity flows out; Pipette portion (11) is arranged in fluid suction head body and with the body fluid port of described fluid suction head and is communicated with, and draws mud; This pipette portion is connected with the inlet of peristaltic pump again, is responsible for mud to send into peristaltic pump; Described fluid suction head body has feed liquor and filters end plate (102), for filtering mud;
Mud entrance sealing structure (602) of described degasser arranges the second slurry storage box (602-0) at the tank body mud entrance end of this degasser, also known as the female groove of the second slurry storage box, be provided with the second slurry storage box pilot trench (602-1) in this second slurry storage box, between the female groove of the second slurry storage box and pilot trench, form the second demarcation strip (602-1a);
Second slurry storage box pilot trench (602-1) has the second slurry storage box pilot trench serum outlet communicated with tank body mud entrance (65), and this second slurry storage box pilot trench has the vallecular cavity that can hold mud liquid pushing tube and stretch into;
Described second demarcation strip upper edge hole (602-1b) should lower than the second slurry storage box bead (602-0a), and higher than mud liquid pushing tube oral area, form storage slurry seal groove, second demarcation strip upper edge hole is the flooding point meeting storage slurry seal groove sealing liquid level, leaves spacing bottom mud liquid pushing tube oral area and slurry storage box; The described mud liquor charging mouth of pipe stretches into the second slurry storage box pilot trench, and the second slurry storage box pilot trench has full slurries and forms the second sealing liquid level (602-1c); Current limliting back-up ring is installed in second slurry storage box pilot trench and tank body mud entrance junction.
2. the imbibition of degassing equipment constructs as claimed in claim 1, and it is characterized in that, when the flexible pipe of described peristaltic pump is in release conditions, hose diameter size accounts for 2/3 or 5/7 of the length of pressure roller;
When flexible pipe is in closure state, the flexible pipe pipe thickness of 2 times is suitable with the radius size of pressure roller; The flexible pipe width dimensions of closure state is suitable with the length of pressure roller; Or the width dimensions of flexible pipe is slightly less than the length of pressure roller;
Be separated by between adjacent pressure roller hexagonal angle, the diameter of the flexible pipe endoporus of described peristaltic pump is greater than the pipette interior diameter in pipette portion (11); Or the diameter of flexible pipe endoporus is more than or equal to the mouth diameter of peristaltic pump inlet.
3. the imbibition structure of degassing equipment as claimed in claim 2, is characterized in that, described slurry outlet sealing structure installation is at the tank body sludge outlet of degasser, and this slurry outlet sealing structure refers to that tank body slurry outlet is all the time by the structure of liquid level shutoff; Described slurry outlet sealing structure (601) arranges the first slurry storage box (601-0) at tank body sludge outlet, the first slurry storage box pilot trench (601-1) is provided with in this first slurry storage box, tank body slurry outlet portion (66) has the pulp conduit (661) that can stretch in the first slurry storage box pilot trench, and this first slurry storage box pilot trench planted agent has the first sealing liquid level (601-1c); The first demarcation strip (601-1a) is formed between the female groove of described first slurry storage box and pilot trench, first slurry storage box pilot trench (601-1) faces tank body slurry outlet and forms storage slurry seal groove, first demarcation strip upper edge hole (601-1b) should lower than the first slurry storage box bead (601 1 0a) higher than pulp conduit oral area (661-0), along being the flooding point meeting storage slurry seal groove sealing liquid level on first demarcation strip, bottom pulp conduit oral area and the first slurry storage box, (601-11) leaves the spacing held slurries and flow out.
4. the imbibition structure of degassing equipment as claimed in claim 3, it is characterized in that, described fluid suction head is arranged and hinders structure clearly, this hinders clearly structure is scraper plate (105) with can hard to bear drive shaft and can filter with feed liquor the feed liquor that end plate is arranged on fluid suction head for form that horizontal basal plane rotates and filter on end plate; The liquid collecting cavity of described fluid suction head body filters by driveshaft end (103) and feed liquor the shape chamber that end plate (102) and this driveshaft end and the feed liquor liquid collecting cavity sidewall (104) filtered between end plate forms accommodation mud jointly; The feed liquor of described fluid suction head body filters the feed liquor end that end plate (102) is arranged on fluid suction head body, this feed liquor filters end plate for blocking the feed liquor port (101) of liquid collecting cavity, install driveshaft end in the other end of fluid suction head body, this driveshaft end is connected by fluid suction head shaft joint (1034) with driving shaft; Described feed liquor filtration end plate distributes feed liquor sieve aperture, and described feed liquor sieve aperture has default aperture, and the feed liquor sieve aperture be distributed on feed liquor filtration end plate forms the sieve aperture feed pathway (1021) can filtering mud jointly.
5. the imbibition structure of degassing equipment as claimed in claim 4, it is characterized in that, described clear resistance structure installation is that scraper plate (105) is arranged on the feed liquor filter end plate level end face of fluid suction head by fluid suction head connecting shaft element (1035) and securing member (10351), this fluid suction head connecting shaft element is combined with driving shaft by fluid suction head shaft joint, forms driving shaft and can drive scraper plate and the structure rotated for horizontal basal plane with feed liquor filtration end plate.
6. the imbibition structure of degassing equipment as claimed in claim 5, it is characterized in that, described clear resistance structure installation is that scraper plate (105) is arranged on the feed liquor filter end plate level end face of fluid suction head by fluid suction head connecting shaft element (1035) and securing member (10351), this fluid suction head connecting shaft element is combined with driving shaft by fluid suction head shaft joint, forms driving shaft and can drive scraper plate and the structure rotated for horizontal basal plane with feed liquor filtration end plate.
7. the imbibition structure of degassing equipment as claimed in claim 6, is characterized in that also having, and in the liquid collecting cavity of fluid suction head body, by the secondary scraper plate of fluid suction head connecting shaft arrangements of components, filters the one side towards liquid collecting cavity of end plate for clearing up feed liquor; The length of described scraper plate should be suitable with the maximum caliber of feed liquor port.
8. the imbibition structure of degassing equipment as claimed in claim 7, is characterized in that, the length of described scraper plate is suitable with point cloth cover maximum gauge of feed liquor sieve aperture.
9. the imbibition structure of degassing equipment as claimed in claim 8, it is characterized in that, the pipette internal diameter diameter in described pipette portion is more than or equal to or is not less than the bore of the body fluid port (1010) of fluid suction head body; The inlet opening (1100) of described pipette liquid storage box is suitable with the body fluid port bore of this fluid suction head body; The aperture of described feed liquor sieve aperture is set to diameter and is less than 2 millimeters; Or the aperture of described feed liquor sieve aperture is set to diameter and is not more than 2 millimeters; Or described feed liquor sieve aperture is set to the Sieve texture of the summary tapering that exit orifice is little, endoporus is large, aperture one end of tapering feed liquor sieve aperture is exit orifice, and it filters on the horizontal end face of end plate at feed liquor, and the hole diameter of described tapering feed liquor sieve aperture is set to be less than 2 millimeters; Or the hole diameter of described tapering feed liquor sieve aperture is set to be not more than 2 millimeters.
10. the imbibition structure of degassing equipment as claimed in claim 9, it is characterized in that, described pipette portion is made up of pipette (111) and pipette liquid storage box (110), and the liquid storage cylinder volume of described pipette liquid storage box is less than the liquid collecting cavity volume of fluid suction head body; Point cloth cover of described feed liquor sieve aperture is consistent with the aperture area of liquid collecting cavity feed liquor port; The body fluid port (1010) of described fluid suction head body is arranged on liquid collecting cavity sidewall (104), the outer surface of liquid collecting cavity sidewall arranges pipette portion installation base surface (1041), and this pipette portion installation base surface is for installing the pipette liquid storage box (110) in pipette portion.
11. 1 kinds of degassing equipments that there is the described imbibition of one of aforementioned claim 1-10 and construct, comprise degasser (6), it is characterized in that, the driving shaft of degassing equipment is flexible axle; Described fluid suction head shaft joint is set to moment of torsion shaft joint; Described degasser has airtight construction, and this airtight construction seals structure (601) and mud entrance sealing structure (602) and air-draft-type exhaust outlet by slurry outlet to form; The exhaust outlet (7) of described degasser is set to the exhaust outlet that can form suction by negative pressure of vacuum, has both been air-draft-type exhaust outlet.
CN201210030250.0A 2012-02-13 2012-02-13 Degassing equipment, fluid suction structure thereof and fluid suction head of fluid suction structure Active CN102580360B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210030250.0A CN102580360B (en) 2012-02-13 2012-02-13 Degassing equipment, fluid suction structure thereof and fluid suction head of fluid suction structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210030250.0A CN102580360B (en) 2012-02-13 2012-02-13 Degassing equipment, fluid suction structure thereof and fluid suction head of fluid suction structure

Publications (2)

Publication Number Publication Date
CN102580360A CN102580360A (en) 2012-07-18
CN102580360B true CN102580360B (en) 2015-05-27

Family

ID=46469927

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210030250.0A Active CN102580360B (en) 2012-02-13 2012-02-13 Degassing equipment, fluid suction structure thereof and fluid suction head of fluid suction structure

Country Status (1)

Country Link
CN (1) CN102580360B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2230857A (en) * 1989-04-26 1990-10-31 Geoservices Method and apparatus for sampling the gaseous content of liquid
US6033462A (en) * 1998-06-30 2000-03-07 Dekker Vacuum Technologies, Inc. Multi-chambered air/oil separator
CN2838720Y (en) * 2005-11-25 2006-11-22 上海神开科技工程有限公司 Device for degasification
CN102125772A (en) * 2010-12-30 2011-07-20 天津开发区利达科技发展有限公司 Degasser

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2230857A (en) * 1989-04-26 1990-10-31 Geoservices Method and apparatus for sampling the gaseous content of liquid
US6033462A (en) * 1998-06-30 2000-03-07 Dekker Vacuum Technologies, Inc. Multi-chambered air/oil separator
CN2838720Y (en) * 2005-11-25 2006-11-22 上海神开科技工程有限公司 Device for degasification
CN102125772A (en) * 2010-12-30 2011-07-20 天津开发区利达科技发展有限公司 Degasser

Also Published As

Publication number Publication date
CN102580360A (en) 2012-07-18

Similar Documents

Publication Publication Date Title
CN102667051B (en) For well cleaning or for making the downhole tool of fluid movement in the wellbore
CN104334885B (en) Foam pump and method
CN202460203U (en) Degassing device
CN202460202U (en) Degassing equipment, as well as imbibition structure and imbibition head of degassing equipment
CN102580360B (en) Degassing equipment, fluid suction structure thereof and fluid suction head of fluid suction structure
CN205055497U (en) Dewatering device and use device's absolute oil machine
CN110672381B (en) Multilayer filters soil pore water collection system
CN102580359A (en) Degassing equipment
CN110694323B (en) Automatic blowdown apparatus is used in construction of clearance type underground works
CN205714153U (en) Nonpetroleum oil purifier
CN105214345B (en) A kind of oil water separator
CN207056102U (en) One kind machining waste liquid grease separation and advanced treatment apparatus
JP3221955U (en) Oil separator
CN113857933B (en) Cutting fluid filter equipment for digit control machine tool
CN202140285U (en) Shallow layer water suction machine
CN206103475U (en) Be applied to sewage treatment container that rural environment was administered
CN212417125U (en) Filter pressing device for sodium silicate production
CN111537383B (en) Granular impurity separable detection device and method for sewage detection
CN207673299U (en) A kind of well logging degasser
CN218980564U (en) Sludge scraping and sucking machine with sludge-water separation function
CN220504974U (en) Mud collection device with stirring function
CN104399605A (en) Deoiling device for standard part production
CN108329993A (en) A kind of fat separator device for the extraction of animals died of illness grease
CN217080381U (en) A device that is used for high temperature oil base drilling fluid ground to cool down and handles
CN218709868U (en) Drilling mud treatment device capable of recycling sewage

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant