CN102125772A - Degasser - Google Patents

Degasser Download PDF

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Publication number
CN102125772A
CN102125772A CN2010106161831A CN201010616183A CN102125772A CN 102125772 A CN102125772 A CN 102125772A CN 2010106161831 A CN2010106161831 A CN 2010106161831A CN 201010616183 A CN201010616183 A CN 201010616183A CN 102125772 A CN102125772 A CN 102125772A
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CN
China
Prior art keywords
slurry
jar
mud
storage box
retaining
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CN2010106161831A
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Chinese (zh)
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CN102125772B (en
Inventor
李明利
李明春
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天津开发区利达科技发展有限公司
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Priority to CN2010106161831A priority Critical patent/CN102125772B/en
Publication of CN102125772A publication Critical patent/CN102125772A/en
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Publication of CN102125772B publication Critical patent/CN102125772B/en

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Abstract

The invention discloses a degasser, which belongs to the comprehensive logging and gas logging equipment and relates to a device for performing online degassing on the slurry extracted from oil exploration drilling. The degasser is provided with a tank body for containing the slurry and a stirring body, wherein the stirring body is used for extending into the tank body to stir the slurry; the tank body is provided with a slurry inlet and a slurry outlet; the inner cavity of the tank body is set as a level-by-level stirring cavity; the level-by-level stirring cavity is divided into classification chambers by a slurry blocking component in the tank body; the slurry blocking component comprises a first slurry blocking sheet and a second slurry blocking sheet; the first slurry blocking sheet is provided with an outer edge that can be closely combined with the inner wall of the tank body and a channel hole; the outer edge is combined with the tank body; and the channel hole is used for forming a channel of the leakage slurry. The tank body of the degasser is set as a drawer type chamber capable of stirring level by level; and by combining the reasonable configuration of the slurry blocking component, the degasser enables the slurry to be stirred more sufficiently in the stirring chamber of the level so as to realize level-by-level sufficient stirring and level-by-level sufficient degassing.

Description

Degasser
Technical field
The invention belongs to compound logging and mud logging equipment, relate to device the online disengaging gas of the mud that proposes in the oil exploration drilling.
Background technology
Degasser is compound logging and the mud logging pith in the equipment, and it is bearing the important task whether sample gas more can represent the true air content on stratum, directly affects the accuracy that oil gas field is estimated.
Industry is not halted all the time to its improvement research.
" 200410059804.5 1 kinds of systems that are used for sloughing the gas of mud and analyze contained gas in the mud " has been described to by the physicochemical analysis device of the mud that proposes in the oil exploration drilling at the gas of line drawing as disclosed Chinese patent, mentions degasser.
Industry be it is generally acknowledged, degasser has experienced first generation degasser substantially: be about to a square metal box and the bottom is processed into draws pipeline in the middle of the spill and be connected to asepwirator pump, this device is placed on the mud page and is floating, generally there is not power source, belong to a kind of float-type degasser, its degassing efficiency is lower.Second generation degasser, be the electrodynamic type degasser, the motor drives stirring rod stirs in degassing bucket, purpose is to smash mud the gas in the mud is spun off, through the sample air pump gas is extracted into well room again, its degassing efficiency increases, but the influence of reason mud ditch level change is bigger, mud slurry stream instability, and the stock inlet of degasser does not have good current limiting measures, makes mud be easy to be extracted into well room and causes device damage, often needs the draft by the lifting degasser for this reason, adjust, so influence operating efficiency.Third generation degasser: be the quantitative degasser of QGM, break away from the gas in the mud on the basis of relative quantification, operating efficiency effectively improves, and stabilization of equipment performance also increases than the former.
Disclosed Chinese patent " 200410019225.8 1 kinds of combined sensor devices ", wherein, density sensor, temperature sensor are connected with the detection container, and slush pump is carried liquid to be logged well by carrier pipe, and this carrier pipe is connecting quantitatively degasser.Wherein relate to quantitative degasser and belong to the third generation degasser technology that comparatively improves before this case.
Then there is Chinese patent to come out successively again, the continuous effort of industry in this area has been described as " 200520046902.5 1 kinds of degassers ", " 20082022773.3 engine degasser ", " 200820231573.5 semi-automatic balanced type engine degasser ".
But known technology reason structure reason, the degree of crushing of mud is relatively poor, and unstable, and mud is easy to form eddy current in stir chamber, directly influence degassing efficiency; Existing degasser reason structure reason perhaps is not suitable for gas and collects, and perhaps the gas collecting effect is not good enough.
The degasser of marginal period structure to be updated comes out, with the security performance of further raising degassing efficiency, raising degassing equipment.
Summary of the invention
This case problem to be solved is to overcome the above-mentioned defective that aforementioned techniques exists, and a kind of degasser of the degassing that can stir step by step is provided, and once in conjunction with concrete technical measures, selects and will illustrate structure effect characteristics.
Technical solution problem of the present invention takes following technical scheme to realize, according to a kind of degasser provided by the invention, has the jar body 1 and the stirring body 2 of ccontaining mud, and described stirring body is used to stretch into a jar body mud is stirred; Described jar body has mud entrance and mud outlet, and wherein, described jar of chamber body is set to stir chamber step by step, this step by step stir chamber be to separate into the classification chamber by being configured in a jar intrinsic retaining slurry assembly 3; Described retaining slurry assembly is made up of the first retaining lodicule 31 and the second retaining lodicule 32, the described first retaining lodicule have can with married outer rim 311 of jar inner body wall and access opening 312, this outer rim combines with a jar body, this access opening is used to form down the passage of spillage liquid.
Thus, a jar chamber body has formed " drawer formula " chamber that can stir step by step, separates by retaining slurry assembly between the adjacent stir chamber, and each stirring rod that is packed on the stirring body central shaft can be rotated stirring in stir chamber separately.
This case technical solution problem can also take following technical scheme further to realize.
Aforesaid degasser, wherein, the described first retaining lodicule nationality is installed at interval by jar inner body wall 11, forms the classification chamber; The described second retaining lodicule nationality is installed at interval by stirring body central shaft 21, and the second retaining lodicule and the first retaining lodicule are separated by and are left default spacing, form slurry collar extension 30.
Aforesaid degasser, wherein, described stirring body 2, this stirring body is made of stirring body central shaft 21 and several stirring rod 22, one end of described stirring body central shaft can be connected with power transmission shaft, the alternate predeterminable range of described stirring rod is packed on this stirring body central shaft, and adjacent stirring rod position at interval should be satisfied each stirring rod and can be occupied respectively in each stir chamber.
Because the second retaining lodicule formed the slurry collar extension mutually across a certain distance with the first retaining lodicule, slurries can not leak down very soon, thereby after can in stirring chamber at the corresponding levels, obtaining more sufficient stirring, flow to the next stage stirring chamber again and continue to stir, realize the purpose that fully stirs step by step, fully outgases.
Aforesaid degasser, wherein, described adjacent stirring rod is set to vertical mutually.
Aforesaid degasser, wherein, the access opening 312 of the described first retaining lodicule is made of access opening primary area portion 3121 and the auxilliary district of access opening portion 3122, and access opening primary area portion is formed by centre bore, and the auxilliary district of access opening portion constitutes by stretching the type hole that forms along access opening primary area portion diametric(al) side.
Aforementioned degasser, wherein, the access opening primary area portion sizableness of the described second retaining lodicule 32 and the first retaining lodicule, the type hole of this first retaining lodicule meets the orthographic projection shape of stirring rod, so that stirring rod can be passed through.
Corresponding with being provided with of stirring rod, the auxilliary district of the access opening portion 3122 in the first adjacent retaining lodicule access opening also becomes orthogonal position relation.Mud can more at this layer " staying " thus, fully stirred, pulverize, thereby can effectively improve degassing efficiency.
Aforementioned degasser, wherein, described jar of body installs by installing plate 4, and pedestal 5 is set on the installing plate, and this pedestal one end is provided with shaft coupling portion 51, so that the stirring body central shaft can be rotated by motor-driven; The other end is that the end that this pedestal is connected with installing plate is provided with air collecting chamber 52, and a side of this air collecting chamber has exhaust outlet 521.
Thus, on the installing plate motor can be installed, motor transmission shaft is given stirring body central shaft 21 by shaft coupling with power transmission, be pedestal 5 between shaft coupling 6 and the installing plate 4, a jar body itself need not be provided with exhaust structure, and is taken on by pedestal, pedestal form have shaft coupling portion and air collecting chamber, the structure of exhaust outlet, make pedestal can have shaft coupling and gas collection, the multiple function of exhaust concurrently, discharge by exhaust outlet again after the gas of deviating from can be taken in via air collecting chamber, guarantee that exhaust efficiency is stable through stirring; Also more optimized modular construction.
Thus, the type hole that the mistake that the second retaining lodicule and the first retaining lodicule form is starched collar extension and the auxilliary district of access opening portion has constituted the slurries/gas channel that satisfies default spillage flow or flow velocity jointly, deviate from gas along being advanced into air collecting chamber 52 on this slurries/gas channel, discharge by exhaust outlet 521, descending along this slurries/gas channel through the slurries that the degassing is handled, 11b discharges by the outlet of jar body mud.
Aforesaid degasser, wherein, described jar of chamber body 11 separates the top layer stir chamber that forms by retaining slurry assembly and claims first stir chamber 111 again, and overhead district portion 110 is left in this first stir chamber top, and this overhead district portion is provided with a jar body mud entrance 11a; The through hole that this overhead district portion communicates with pedestal air collecting chamber 52 is steam vent 11c, configuration top, the below retaining lodicule 321 of this steam vent, this top retaining lodicule installs by the stirring body central shaft, top retaining lodicule has the outer rim that can cover steam vent substantially, the steam vent of top retaining lodicule and overhead district portion is separated by and is left default spacing, forms the top and crosses compression ring mouth 300; The bottom stir chamber claims the 4th stir chamber 114 again, the bottom of the 4th stir chamber is provided with a jar body mud outlet 11b, configuration bottom, the top retaining lodicule 324 of this jar body mud outlet, this bottom retaining lodicule installs by the stirring body central shaft, the jar body mud outlet of bottom retaining lodicule and the 4th stir chamber bottom is separated by and is left default spacing, forms the bottom and crosses slurry collar extension 304.
So far, can form and have aforementioned circular passage mouth the jar body of (cross the slurry collar extension, the bottom is crossed the slurry collar extension, crossed the compression ring mouth), and the layout of the mud entrance of jar body, mud outlet safer, more optimize.
Thus, top retaining lodicule can not only be responsible for stoping and scurry the intrusion air collecting chamber on the slurries, and it also formed the compression ring mouth with steam vent, helped more stable exhaust.
Aforesaid degasser, wherein, the access opening primary area portion of the described first retaining lodicule is a center hole, the auxilliary district of the access opening portion of the first retaining lodicule conforms to the yi word pattern stirring rod is corresponding, can hold stirring rod just and pass through.
Not only the stirring body volume is little thus, and, because the first corresponding retaining lodicule type hole can be narrow, therefore can satisfy the slow needs of spillage liquid down, be beneficial to mud and obtain more abundant stirring in stir chamber.
Aforesaid degasser, wherein, stirring rod is positioned at stir chamber position placed in the middle up and down.
Aforesaid degasser, wherein, the aperture of the access opening primary area portion of the external profile diameter of the second retaining lodicule and the first retaining lodicule is suitable.
Aforementioned degasser, wherein, a jar body mud entrance position is not higher than the position that the compression ring mouth is crossed at the top.
Aforementioned degasser, wherein, described jar of body mud entrance is configured in a jar body sidewall.
Aforementioned degasser, wherein, the described second retaining lodicule is positioned on the first retaining lodicule.
Thus, a jar body mud entrance is configured in a jar body sidewall and not only is more conducive to the smooth and easy inflow of mud jar body, has also further optimized the member of equipment and has arranged, more convenient operation, saving space; The second retaining lodicule is positioned at and is more conducive to allow slurries past more descending after chamber at the corresponding levels obtains stirring on the first retaining lodicule as far as possible; Jar body mud entrance position is not higher than the position that the compression ring mouth is crossed at the top, can effectively avoid mud to invade the compression ring mouth.
Aforementioned degasser, wherein, the described jar of retaining slurry assembly that the chamber body arrangement is identical, promptly the first retaining slurry assembly, the second retaining slurry assembly, the 3rd keep off the slurry assembly, these three groups retaining slurry assemblies separate the jar chamber body and form first, second, third, fourth stir chamber, are four layers stir chamber step by step.
Or two groups of retaining slurries of configuration assembly separates and forms three layers stir chamber step by step in the jar body.
Or one group of retaining slurry of configuration assembly separates and forms two-layer stir chamber step by step in the described jar of body.
Aforementioned degasser, wherein, the described jar of 1/3-1/4 that intrinsic stir chamber height at different levels are the stir chamber internal diameter.
Aforementioned degasser, wherein, the stirring rod length on the stirring body is the 5/6-6/7 of stir chamber internal diameter.
Mud can stir in limited spatial dimension thus, not only can effectively avoid forming the mud eddy current, also can improve stirring efficiency, cuts down the consumption of energy.
Aforementioned degasser, wherein, described jar body has airtight construction, and this airtight construction is to seal structure 71 and mud entrance seals structure 72 and exhausting formula exhaust outlet 521 constitutes by the mud outlet; Described exhausting formula exhaust outlet is exactly to connect air extractor in described pedestal exhaust ports.
Thus, it is exhausting formula exhaust outlet that the outlet of jar body mud, inlet all become seal construction, pedestal exhaust outlet because the sample air pump during from the exhaust outlet intake-gas with certain negative pressure of vacuum, can make that gas is easier to spin off from mud, can effectively improve degassing efficiency.
Aforementioned degasser, wherein, it is in jar body mud exit first slurry storage box 710 to be set that structure 71 is sealed in described mud outlet, be provided with the first slurry storage box pilot trench 7101 in this first slurry storage box, jar body mud export department has the pulp conduit 71b that can stretch in the first slurry storage box pilot trench, and this first slurry storage box pilot trench planted agent has first and seals liquid level 710b.
Thus, the mud that flows out slowly along the pulp conduit can constantly fill the first slurry storage box pilot trench, keeps the jar body mud outlet in the operation by the liquid level shutoff all the time.
Aforementioned degasser, wherein, in described first slurry storage box 710 first demarcation strip 71011 is set, this slurry storage box inner chamber is separated formation mother-son groove two parts, the first slurry storage box pilot trench 7101 faces jar body mud and goes out interruption-forming storage slurry seal groove, the first demarcation strip upper edge 71011a should be lower than the first slurry storage box bead 710a and be higher than pulp conduit oral area 71b-0, the first demarcation strip upper edge is to satisfy the flooding point that storage slurry seal groove seals liquid level, pulp conduit oral area and first slurry storage box bottom 7103 are left and are held the spacing that slurries flow out, to form the fluid-tight structure, the female groove of first slurry storage box has discharge slurry outlet 7105.
Slurries are discharged from pulp conduit oral area thus, and full earlier the surplus slurries constantly overflow the first demarcation strip upper edge to the first slurry storage box pilot trench, enter the female groove 7102 of first slurry storage box.
Aforementioned degasser, wherein, it is at jar body mud entrance end second slurry storage box 720 to be set that described mud entrance seals structure 72, second demarcation strip 72011 is set in described second slurry storage box, this slurry storage box inner chamber is separated formation mother-son groove two parts, comprise that pilot trench occupy the situation in female groove, the second slurry storage box pilot trench 7201 has and jar second slurry storage box pilot trench slurries that the body mud entrance communicates an outlet 7201a, this second slurry storage box pilot trench has can hold the vallecular cavity that the mud liquid pushing tube stretches into, the described second demarcation strip upper edge 72011a should be lower than the second slurry storage box bead 720a and be higher than mud liquid pushing tube oral area formation storage slurry seal groove, the second demarcation strip upper edge is to satisfy the flooding point that storage slurry seal groove seals liquid level, spacing is left in mud liquid pushing tube oral area and slurry storage box bottom, forms the structure of fluid-tight; The described mud liquor charging mouth of pipe stretches into the second slurry storage box pilot trench straight down, and the second slurry storage box pilot trench has full slurries formation second and seals liquid level 720b.
The second slurry storage box seat is located on the installing plate 4; Be transported to the female groove of first slurry storage box from the slurries of the second slurry storage box pilot trench overflow by this logical slurry pipeline, discharge via the female groove discharge slurry outlet of first slurry storage box.
Female thus groove can not only be responsible for collecting from storage and starch the surplus slurry that overflows in the seal groove, can also collect from the slurries of mud entrance structure overflow, and the equipment integral layout of making is more optimized;
Not only can make thus to keep full mud to be sent in the second slurry storage box pilot trench, can also ensure that slurries send into stir chamber continually and handle.And can make mud can under the pressure of the certain liquid degree of depth, enter the second slurry storage box pilot trench.
By aforementioned arrangements, mud entrance seals structure and not only jar body mud entrance is formed fluid-tight, also has restriction mud entrance flow, quantitatively send the function of slurry.
Aforementioned degasser, wherein, the second slurry storage box pilot trench is installed the current limliting back-up ring 7203 that can limit mud speed rate with a jar body mud entrance junction; The volume of the described 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; The logical slurry of configuration pipeline 73, the first slurry storage box pilot trench bottom is provided with discharging valve port 7104 between female groove 7202 of second slurry storage box and the female groove 7102 of first slurry storage box.
Thus, pending slurries are constantly full to the second slurry storage box pilot trench via the mud liquid pushing tube, flow to into the processing that outgases of a jar body via jar body mud entrance quantitative limit; And the configuration of current limliting back-up ring can make the quantitative degassing become more simple, can be overflowed along the second demarcation strip upper edge by the surplus slurries of current limliting.
The present invention compared with prior art has significant advantage and beneficial effect.
By above technical scheme as can be known, the present invention has following advantage at least under the structure configuration of excellence:
To sum up, " drawer formula " chamber that the jar body in this case degasser is arranged to stir step by step in conjunction with the reasonable disposition that retaining is starched assembly, can make slurries stir more fully in stirring chamber at the corresponding levels, realizes the purpose that fully stirs step by step, fully outgases step by step.
" mace " structure that stirring rod cross in this case degasser is staggered and " drawer formula " chamber of jar body organically combine, and can effectively avoid the generation of eddy current, improve degassing efficiency.
Pedestal structure in this case degasser, make a jar body itself exhaust structure need be set, provide guarantee and be set to stablize exhaust, also optimized modular construction by the air collecting chamber that pedestal " all over the body many duties " has the usefulness, particularly pedestal of shaft coupling and gas collection, exhaust concurrently.
The circular passage mouth of jar body in this case degasser (slurry collar extension, bottom are crossed the slurry collar extension, crossed the compression ring mouth excessively) configuration cleverly can effectively improve device '.
It is the stirring efficiency of raising equipment all that this case degasser further is provided with or the like the spatial dimension of stir chamber in the jar body, cuts down the consumption of energy, and avoids forming the mud eddy current guarantee is provided.
The airtight construction setting of this case degasser can realize that mud all is in airtight condition in whole degasification process, the gas that the sample air pump is collected all is the gas that mud is deviate from stir process, the accuracy of collecting data for sample gas provides guarantee, for the true air content that can detect the stratum provides guarantee.
The reasonable setting of this case degasser airtight construction also makes equipment have the function of the quantitative degassing.
This case is compared with prior art simpler and more direct, safe, reliable, is easier to the operator and grasps, and can effectively improve operating efficiency.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the overall structure schematic diagram of this case degasser;
Fig. 1 a is the overall structure schematic diagram of different mud entrance examples of locations in this case degasser;
Fig. 2 is along the cross-sectional view of A-A line among Fig. 1;
Fig. 2 a is along the cross-sectional view of B-B line among Fig. 1;
Fig. 3 is the structural representation of stirring body in this case;
Fig. 3 a is along the cross-sectional view of C-C line among Fig. 3;
Fig. 4 is the first retaining lodicule structure schematic diagram in this case retaining slurry assembly;
Fig. 4 a is the structural representation of the first retaining lodicule half-twist position of Fig. 4;
Fig. 4 b is the second retaining lodicule structure schematic diagram in this case retaining slurry assembly;
Fig. 5 is this case top retaining lodicule structure schematic diagram;
Fig. 6 is along the face of the overlooking structural representation of E-E line section first slurry storage box among Fig. 1;
Fig. 6 a is the face of the overlooking structural representation of different instances first slurry storage box;
Fig. 7 is along the face of the overlooking structural representation of section second slurry storage box of D-D line among Fig. 1;
Fig. 7 a is the face of the overlooking structural representation of another example second slurry storage box;
Fig. 7 b is again the face of the overlooking structural representation of an example second slurry storage box.
The specific embodiment
Below in conjunction with preferred embodiment, to according to the specific embodiment provided by the invention, feature and effect thereof, describe in detail as after; For simple and purpose clearly, hereinafter appropriate omission the description of known technology, in order to avoid those unnecessary details influences are to the description of the technical program.
Shown in Fig. 1-7, a kind of degasser has the jar body 1 of ccontaining mud and can stretch into the stirring body 2 that this jar body is driven by power source M, and described power source includes but not limited to motor, and described stirring body is used to stretch into a jar body mud is stirred; Described jar of body has mud entrance and mud outlet, wherein,
Referring to Fig. 1, the jar body installs by installing plate 4, motor M is installed in the top of installing plate 4, motor transmission shaft is given stirring body central shaft 21 by shaft coupling 6 with power transmission, between shaft coupling 6 and the installing plate 4 pedestal 5 is set, the end that described pedestal docks with shaft coupling is provided with shaft coupling portion 51, and the structure of this shaft coupling portion can be known shaft coupling structure, so that the stirring body central shaft can be rotated by motor-driven, will not give unnecessary details; The end that this pedestal is connected with installing plate 4 is provided with air collecting chamber 52, and a side of this air collecting chamber has exhaust outlet 521.
A jar body itself need not be provided with exhaust structure thus, and take on by pedestal, pedestal form have shaft coupling portion and air collecting chamber, the structure of exhaust outlet, make pedestal can have shaft coupling and gas collection, the multiple function of exhaust concurrently, discharge by exhaust outlet again after the gas of deviating from can be taken in via air collecting chamber through stirring, guarantee that exhaust efficiency is stable; Also more optimized modular construction thus.
Described jar chamber body is set to " drawer formula " stir chamber step by step, and described " drawer formula " stir chamber step by step separates and form by being configured in a jar intrinsic retaining slurry assembly 3.
Specifically: described retaining slurry assembly is made up of the first retaining lodicule 31 and the second retaining lodicule 32, described first the retaining lodicule have can with married outer rim 311 of jar inner body wall and access opening 312, this outer rim combines with a jar body, and this access opening is used to form down the passage of spillage liquid.
The first retaining lodicule and a jar body secure bond, second retaining lodicule and the stirring body central shaft secure bond rotated with stirring body;
The access opening 312 of the described first retaining lodicule is made of access opening primary area portion 3121 and the auxilliary district of access opening portion 3122, access opening primary area portion 3121 is formed by centre bore, the size of this centre bore is suitable with the second retaining lodicule, promptly the second retaining lodicule, 32 big physical efficiencys cover this centre bore, and access opening primary area portion includes but not limited to the situation of center hole shown in Figure 4; The auxilliary district of access opening portion 3122 constitutes by stretching the type hole that forms along access opening primary area portion diametric(al) side, and this type hole serve as better with the projection of shape that meets stirring rod, so that stirring rod can be passed through; Be illustrated in figure 4 as the corresponding situation that conforms to the yi word pattern stirring rod of the auxilliary district portion of access opening of the first retaining lodicule, both can have held stirring rod just and pass through, the unlikely again excessive spillage of hole that makes is too fast, influences mixing effect.
The described first retaining lodicule nationality is installed at interval by jar inner body wall 11, forms the classification chamber as steamer pot drawer formula; The described second retaining lodicule nationality is installed at interval by stirring body central shaft 21, and the second retaining lodicule and the first retaining lodicule are separated by and are left default spacing h, form slurry collar extension 30.
The mistake that forms of the second retaining lodicule and the first retaining lodicule type hole of starching collar extension and the auxilliary district of access opening portion has constituted satisfied slurries/gas channel of presetting spillage flow or flow velocity jointly thus, deviate from gas along being advanced into air collecting chamber 52 on this slurries/gas channel, discharge by exhaust outlet 521, descending along this slurries/gas channel through the slurries that the degassing is handled, 11b discharges by the outlet of jar body mud;
Referring to stirring body 2 shown in Fig. 3, the 3a, this stirring body is made of stirring body central shaft 21 and several stirring rod 22, one end of described stirring body central shaft can be connected with power transmission shaft, the alternate predeterminable range of described stirring rod is packed on the stirring body central shaft, adjacent stirring rod position at interval should be satisfied each stirring rod and can be occupied respectively in each stir chamber, and as shown in Figure 1, measure preferably is that stirring rod is positioned at stir chamber position placed in the middle substantially up and down, be difficult for producing eddy current, to improve degassing efficiency; Adjacent stirring rod is set to vertical mutually, staggered just as cross " mace ", forms the stirring structure of this case stirring body thus;
The stirring structure of this stirring body is not only applicable to have " drawer formula " jar body of stir chamber step by step, does not get rid of the situation that is used for not stratified straight tube jar body yet;
Thus, the jar chamber body has formed " drawer formula " chamber that can stir step by step, separate by retaining slurry assembly between the adjacent stir chamber, each stirring rod that is packed on the stirring body central shaft can be rotated stirring in stir chamber separately, because the second retaining lodicule formed the slurry collar extension mutually across a certain distance with the first retaining lodicule, and mud is subjected to rotating the action of centrifugal force that stirs generation again, so slurries can not leak down very soon, but after can in stirring chamber, obtaining more sufficient stirring, flowing to the next stage stirring chamber again continues to stir, slurries can further obtain stirring step by step like this, through the slurries that constantly stir, the gas of constantly deviating from also rises along aforementioned slurry channels.
The stirring rod that reason is adjacent becomes orthogonal structure, corresponding with it, the auxilliary district of the access opening portion 3122 in the first adjacent retaining lodicule access opening also becomes orthogonal position relation, and mud can more at this layer " staying " thus, fully stirred, pulverized, thereby can effectively be improved degassing efficiency.
Further, described jar of chamber body 11 separates the top layer stir chamber that forms by retaining slurry assembly and claims first stir chamber 111 again, and overhead district portion 110 is left in this first stir chamber top, and this overhead district portion is provided with a jar body mud entrance 11a; The through hole that this overhead district portion 110 communicates with pedestal air collecting chamber 52 is steam vent 11c, configuration top, the below retaining lodicule 321 of this steam vent, this top retaining lodicule can install by the stirring body central shaft, top retaining lodicule has the outer rim that can cover steam vent substantially, the steam vent of top retaining lodicule and overhead district portion is separated by and is left default spacing, form the top and cross compression ring mouth 300, thus, top retaining lodicule can not only be responsible for stoping and scurry the intrusion air collecting chamber on the slurries, it also formed the compression ring mouth with steam vent, helped more stable exhaust.
Jar body mud entrance position is not higher than the position that the compression ring mouth is crossed at the top, invades air collecting chamber to avoid slurries;
Dispose a shaft coupling element by prior art between the stirring rod of the top shown in Figure 1 retaining lodicule and first stir chamber, top retaining lodicule also can be assembled by the shaft coupling element by the general means nationality, will not give unnecessary details.
The bottom stir chamber claims the 4th stir chamber 114 in conjunction with the accompanying drawings again, the bottom of the 4th stir chamber is provided with a jar body mud outlet 11b, configuration bottom, the top retaining lodicule 324 of this jar body mud outlet, this bottom retaining lodicule installs by the stirring body central shaft, the jar body mud outlet of bottom retaining lodicule and the 4th stir chamber bottom is separated by and is left default spacing, forms the bottom and crosses slurry collar extension 304;
Be preferably shown in Figure 1 jar of body mud entrance and be configured in a jar body sidewall, be more conducive to the smooth and easy inflow of mud jar body, element of installation is arranged also and is more optimized;
So far formed and had aforementioned circular passage mouth the jar body of (cross slurry collar extension 30, the bottom is crossed slurry collar extension 304, crossed compression ring mouth 300), and the layout of the mud entrance of jar body, mud outlet safer, more optimize;
It shown in Fig. 1 a the another example that jar body mud entrance is configured in jar bodies top.
The stirring rod that is positioned at the top layer stir chamber claims first stirring rod 221 again, and the stirring rod that is positioned at the bottom stir chamber claims the 4th stirring rod 22n in conjunction with the accompanying drawings again;
Further, the described jar of retaining slurry assembly that chamber body 11 configuration array structure is identical, promptly the first retaining slurry assembly, the second retaining slurry assembly, the 3rd keep off the slurry assembly, these three groups retaining slurry assemblies can separate the jar chamber body and form first, second, third, fourth stir chamber, i.e. four layers " drawer formula " stir chamber step by step, as shown in Figure 1.
Also can, two groups of retaining slurry assemblies of configuration can separate " drawer formula " stir chamber step by step that forms three layers in the jar body.Or one group of retaining slurry of configuration assembly can separate and form two-layer " drawer formula " stir chamber step by step in the described jar of body.
The second retaining lodicule is positioned on the first retaining lodicule, is more conducive to allow slurries past more descending after stirring; Certainly do not get rid of the second retaining lodicule yet and be positioned at first situation of keeping off under the lodicule, can form the collar extension passage equally;
Described jar of intrinsic stir chamber height f at different levels are the 1/3-1/4 of stir chamber internal diameter F, and the stirring rod length H on the stirring body is the 5/6-6/7 of stir chamber internal diameter; Mud can stir in narrow and small flat box-like chamber on a large scale thus, not only can effectively avoid forming the mud eddy current, also can improve stirring efficiency, cuts down the consumption of energy.
Be that the second retaining lodicule is circular better example as shown in Figure 2, the aperture of access opening primary area portion is equivalent to the external profile diameter of the second retaining lodicule 32;
Better as shown in Figure 2 example, the first retaining lodicule is circular, the inwall of the lucky and cylindric jar body of its outer rim suits mutually, just as steaming tray is placed in the steamer.
Be more conducive to the optimization of device manufacturing process thus.
Certain jar body includes but not limited to cylindrical, and the corresponding first retaining lodicule also is not limited to circle, all can form the classification chamber of drawer formula; The access opening primary area portion of certain first retaining lodicule includes but not limited to circle, and the corresponding second retaining lodicule 32 also is not limited to circle, and slightly distortion also can form the slurry collar extension;
Stirring body 22 is set to " one " font, and not only the stirring body volume is little, and the benefit that also has concurrently is: because the first corresponding retaining lodicule type hole can be narrow, therefore can satisfy the slow needs of spillage liquid down, be beneficial to mud and obtain more abundant stirring in stir chamber;
" be equivalent to " speech and be interpreted as the situation that is slightly larger than or is slightly less than or equal at this paper.
Mud at first enters first stir chamber via jar body mud entrance, stir broken at this layer, kept off the restriction of slurry assembly, mud can obtain the broken comparatively fully degassing at this layer chamber, mud after stirring fragmentation flows to down one deck stir chamber by retaining slurry assembly and stirs the broken degassing once more, by that analogy, mud is subjected to step by step stirring once more, fragmentation, the degassing.
Further, a jar body has airtight construction, and this airtight construction is to seal structure 71 and mud entrance seals structure 72 and exhausting formula exhaust outlet 521 constitutes by the mud outlet.
Described exhausting formula exhaust outlet is exactly to connect air extractor at described pedestal exhaust outlet 521 places, air extractor can be usual technology, as the sample air pump, pedestal exhaust outlet 521 has just become exhausting formula exhaust outlet like this, because the sample air pump with certain negative pressure of vacuum, can make that gas is easier to spin off during from the exhaust outlet intake-gas from mud.
It is in jar body mud exit first slurry storage box 710 to be set that structure 71 is sealed in described mud outlet, be provided with the first slurry storage box pilot trench 7101 in this first slurry storage box, jar body mud export department has the pulp conduit 71b that can stretch in the first slurry storage box pilot trench, this first slurry storage box pilot trench planted agent has first and seals liquid level 710b, thus, slowly the mud that flows out along the pulp conduit can constantly fill the first slurry storage box pilot trench, keeps the jar body mud outlet in the operation by the liquid level shutoff all the time;
Further, referring to Fig. 1 and Fig. 6, Fig. 6 a, in described first slurry storage box 710 first demarcation strip 71011 is set, this slurry storage box inner chamber is separated formation mother-son groove two parts, comprise that pilot trench occupy the situation in female groove, the first slurry storage box pilot trench 7101 faces jar body mud and goes out interruption-forming storage slurry seal groove, the first demarcation strip upper edge 71011a should be lower than the first slurry storage box bead 710a and be higher than pulp conduit oral area 71b-0, the first demarcation strip upper edge is to satisfy the flooding point that storage slurry seal groove seals liquid level, pulp conduit oral area and first slurry storage box bottom 7103 are left and are held the spacing that slurries flow out, to form the fluid-tight structure, slurries are discharged from pulp conduit oral area thus, full earlier to the first slurry storage box pilot trench, the surplus slurries constantly overflow the first demarcation strip upper edge, enter the female groove of female groove 7102, the first slurry storage box of first slurry storage box and have discharge slurry outlet 7105.
Referring to Fig. 1 and Fig. 7, Fig. 7 a, Fig. 7 b, it is at jar body mud entrance end second slurry storage box 720 to be set that described mud entrance seals structure 72, and the second slurry storage box seat is on installing plate 4 as shown in Figure 1.
Second demarcation strip 72011 is set in described second slurry storage box, this slurry storage box inner chamber is separated formation mother-son groove two parts, comprise that pilot trench occupy the situation in female groove, the second slurry storage box pilot trench 7201 has and jar second slurry storage box pilot trench slurries that the body mud entrance communicates an outlet 7201a, this second slurry storage box pilot trench has can hold the vallecular cavity that mud liquid pushing tube G stretches into, the described second demarcation strip upper edge 72011a should be lower than the second slurry storage box bead 720a and be higher than mud liquid pushing tube oral area G1 formation storage slurry seal groove, the second demarcation strip upper edge is to satisfy the flooding point that storage slurry seal groove seals liquid level, spacing is left in mud liquid pushing tube oral area and slurry storage box bottom, forms the structure of fluid-tight; The described mud liquor charging mouth of pipe stretches into the second slurry storage box pilot trench straight down, and the second slurry storage box pilot trench has full slurries formation second and seals liquid level 720b, so that mud can enter the second slurry storage box pilot trench under the pressure of the certain liquid degree of depth; The second slurry storage box pilot trench is installed current limliting back-up ring 7203 with a jar body mud entrance junction, the current limliting back-up ring can be a conventional means, will not give unnecessary details, and the current limliting back-up ring is to control flow velocity by the qualification of overcurrent bore, so that the quantitative inflow jar body of mud energy, to satisfy the processing of equipment to different mud;
The volume of the second slurry storage box pilot trench vallecular cavity should with the overcurrent bore of second slurry storage box pilot trench current limliting back-up ring coupling, 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 the stir chamber processing continually.Thus, mud entrance seals structure and not only jar body mud entrance is formed fluid-tight, also has restriction mud entrance flow, quantitatively send the function of slurry.
Thus, from the pending slurries of slush pump or mud ditch, blow slowly via jar body mud entrance to the second slurry storage box pilot trench via the mud liquid pushing tube is constantly full, quantitative limit flows to into a jar body again, and processing outgases; Because the configuration of current limliting back-up ring is arranged, can make the quantitative degassing become more simple, can be overflowed along the second demarcation strip upper edge by the surplus slurries of current limliting, the logical slurry of configuration pipeline 73 between female groove 7202 of second slurry storage box and the female groove 7102 of first slurry storage box, be transported to the female groove of first slurry storage box from the slurries of the second slurry storage box pilot trench overflow by this logical slurry pipeline, discharge via the female groove discharge slurry outlet of first slurry storage box.
Female thus groove can not only be responsible for collecting from storage and starch the surplus slurry that overflows in the seal groove, can also collect from the slurries of mud entrance structure overflow, and the equipment integral layout that is is more optimized;
Thus, the degasser of this case can realize that mud all is in airtight condition in whole degasification process, the gas that the sample air pump is collected all is the gas that mud is deviate from stir process, the accuracy of collecting data for sample gas provides guarantee, for the true air content that can detect the stratum provides guarantee.
Mud is discharged from described discharge slurry outlet can be recycling by the mud circulation pipeline.
First slurry storage box pilot trench bottom is provided with discharging valve port 7104, makes things convenient for mediation, the discharging of this slurry storage box pilot trench.
After the preferred embodiment that describes in detail, be familiar with this technology personage and can clearly understand, can carry out various variations and modification not breaking away under following claim and the spirit, and the present invention also is not subject to the embodiment of illustrated embodiment in the specification.

Claims (10)

1. degasser has the jar body (1) and the stirring body (2) of ccontaining mud, and described stirring body is used to stretch into a jar body mud is stirred; Described jar body has mud entrance and mud outlet, it is characterized in that, described jar of chamber body is set to stir chamber step by step, this step by step stir chamber be to separate into the classification chamber by being configured in a jar intrinsic retaining slurry assembly (3); Described retaining slurry assembly is made up of the first retaining lodicule (31) and the second retaining lodicule (32), described first the retaining lodicule have can with married outer rim of jar inner body wall (311) and access opening (312), this outer rim combines with a jar body, and this access opening is used to form down the passage of spillage liquid; The described first retaining lodicule nationality is installed at interval by jar inner body wall (11), forms the classification chamber; The described second retaining lodicule nationality is installed at interval by stirring body central shaft (21), and the second retaining lodicule and the first retaining lodicule are separated by and are left default spacing, form slurry collar extension (30); Described stirring body (2), this stirring body is made of stirring body central shaft (21) and several stirring rod (22), one end of described stirring body central shaft can be connected with power transmission shaft, the alternate predeterminable range of described stirring rod is packed on this stirring body central shaft, and adjacent stirring rod position at interval should be satisfied each stirring rod and can be occupied respectively in each stir chamber.
2. degasser as claimed in claim 1 is characterized in that, described adjacent stirring rod is set to vertical mutually; The access opening (312) of the described first retaining lodicule is made of access opening primary area portion (3121) and the auxilliary district portion (3122) of access opening, access opening primary area portion (3121) is formed by centre bore, and the auxilliary district portion (3122) of access opening constitutes by stretching the type hole that forms along access opening primary area portion diametric(al) side; The described second retaining lodicule (32) and first keeps off the access opening primary area portion sizableness of lodicule, and the type hole of this first retaining lodicule meets the orthographic projection shape of stirring rod, so that stirring rod can be passed through.
3. as the described degasser of one of claim 1-2, it is characterized in that described jar of body installs by installing plate (4), and pedestal (5) is set on the installing plate, this pedestal one end is provided with shaft coupling portion (51), so that the stirring body central shaft can be rotated by motor-driven; The other end is that the end that this pedestal is connected with installing plate is provided with air collecting chamber (52), and a side of this air collecting chamber has exhaust outlet (521).
4. as the described degasser of one of claim 1-3, it is characterized in that, described jar of chamber body (11) separates the top layer stir chamber that forms by retaining slurry assembly and claims first stir chamber (111) again, overhead district portion (110) is left in this first stir chamber top, and this overhead district portion is provided with a jar body mud entrance (11a); The through hole that this overhead district portion communicates with pedestal air collecting chamber (52) is steam vent (11c), configuration top, the below retaining lodicule (321) of this steam vent, this top retaining lodicule installs by the stirring body central shaft, top retaining lodicule has the outer rim that can cover steam vent substantially, the steam vent of top retaining lodicule and overhead district portion is separated by and is left default spacing, forms the top and crosses compression ring mouth (300); The bottom stir chamber claims the 4th stir chamber (114) again, the bottom of the 4th stir chamber is provided with a jar body mud outlet (11b), configuration bottom, the top retaining lodicule (324) of this jar body mud outlet, this bottom retaining lodicule installs by the stirring body central shaft, the jar body mud outlet of bottom retaining lodicule and the 4th stir chamber bottom is separated by and is left default spacing, forms the bottom and crosses slurry collar extension (304).
5. as the described degasser of one of claim 1-4, it is characterized in that the access opening primary area portion of the described first retaining lodicule is a center hole, stirring body is set to " one " font, the auxilliary district of the access opening portion and " one " font corresponding conforming to of stirring rod of the first retaining lodicule can hold stirring rod just and pass through; Stirring rod is positioned at stir chamber position placed in the middle up and down; The aperture of the access opening primary area portion of the external profile diameter of the second retaining lodicule and the first retaining lodicule is suitable; Described jar of body mud entrance position is not higher than the position that the compression ring mouth is crossed at the top; Described jar of body mud entrance is configured in a jar body sidewall; The described second retaining lodicule is positioned on the first retaining lodicule.
6. as the described degasser of one of claim 1-5, it is characterized in that, the described jar of retaining slurry assembly that the chamber body arrangement is identical, promptly the first retaining slurry assembly, the second retaining slurry assembly, the 3rd keep off the slurry assembly, these three groups retaining slurry assemblies separate the jar chamber body and form first, second, third, fourth stir chamber, are four layers stir chamber step by step; Or two groups of retaining slurries of configuration assembly separates and forms three layers stir chamber step by step in the jar body; Or one group of retaining slurry of configuration assembly separates and forms two-layer stir chamber step by step in the described jar of body; The described jar of 1/3-1/4 that intrinsic stir chamber height at different levels are the stir chamber internal diameter, the stirring rod length on the stirring body is the 5/6-6/7 of stir chamber internal diameter.
7. as the described degasser of one of claim 1-6, it is characterized in that described jar body has airtight construction, this airtight construction is to seal structure (71) and mud entrance seals structure (72) and exhausting formula exhaust outlet (521) formation by the mud outlet; Described exhausting formula exhaust outlet is exactly to connect air extractor in described pedestal exhaust ports.
8. as the described degasser of one of claim 1-7, it is characterized in that, it is in jar body mud exit first slurry storage box (710) to be set that structure (71) is sealed in described mud outlet, be provided with the first slurry storage box pilot trench (7101) in this first slurry storage box, jar body mud export department has the pulp conduit (71b) that can stretch in the first slurry storage box pilot trench, this first slurry storage box pilot trench planted agent has first and seals liquid level (710b), first demarcation strip (71011) is set in described first slurry storage box (710), this slurry storage box inner chamber is separated formation mother-son groove two parts, the first slurry storage box pilot trench (7101) faces jar body mud and goes out interruption-forming storage slurry seal groove, the first demarcation strip upper edge (71011a) should be lower than the first slurry storage box bead (710a) and be higher than pulp conduit oral area (71b-0), the first demarcation strip upper edge is to satisfy the flooding point that storage slurry seal groove seals liquid level, pulp conduit oral area and first slurry storage box bottom (7103) are left and are held the spacing that slurries flow out, to form the fluid-tight structure, the female groove of first slurry storage box has discharge slurry outlet (7105).
9. as the described degasser of one of claim 1-8, it is characterized in that, it is at jar body mud entrance end second slurry storage box (720) to be set that described mud entrance seals structure (72), second demarcation strip (72011) is set in described second slurry storage box, this slurry storage box inner chamber is separated formation mother-son groove two parts, the second slurry storage box pilot trench (7201) has and jar second slurry storage box pilot trench slurries that the body mud entrance communicates outlets (7201a), this second slurry storage box pilot trench has can hold the vallecular cavity that the mud liquid pushing tube stretches into, the described second demarcation strip upper edge (72011a) should be lower than the second slurry storage box bead (720a) and be higher than mud liquid pushing tube oral area formation storage slurry seal groove, the second demarcation strip upper edge is to satisfy the flooding point that storage slurry seal groove seals liquid level, spacing is left in mud liquid pushing tube oral area and slurry storage box bottom, forms the structure of fluid-tight; The described mud liquor charging mouth of pipe stretches into the second slurry storage box pilot trench straight down, and the second slurry storage box pilot trench has full slurries formation second and seals liquid level (720b).
10. as the described degasser of one of claim 1-9, it is characterized in that the second slurry storage box pilot trench is installed the current limliting back-up ring (7203) that can limit mud speed rate with a jar body mud entrance junction; The volume of the described 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; The logical slurry of configuration pipeline (73) between female groove (7202) of second slurry storage box and the female groove of first slurry storage box (7102), first slurry storage box pilot trench bottom is provided with discharging valve port (7104).
CN2010106161831A 2010-12-30 2010-12-30 Degasser CN102125772B (en)

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CN102580360A (en) * 2012-02-13 2012-07-18 天津港保税区鑫利达石油技术发展有限公司 Degassing equipment, fluid suction structure thereof and fluid suction head of fluid suction structure
CN102580359A (en) * 2012-02-13 2012-07-18 天津港保税区鑫利达石油技术发展有限公司 Degassing equipment
CN102680611A (en) * 2012-05-13 2012-09-19 江苏有能电力自动化有限公司 Novel fully-automatic vacuum mixing and degassing device
CN103969091A (en) * 2013-01-29 2014-08-06 中国科学院寒区旱区环境与工程研究所 A device for stirring mud and collecting gas in drilling
CN105396331A (en) * 2015-12-09 2016-03-16 江阴乐圩光电股份有限公司 A defoaming machine

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CN101496961A (en) * 2009-01-16 2009-08-05 西安恒旭科技发展有限公司 Hypergravity oil-gas separating device
CN201326416Y (en) * 2008-12-12 2009-10-14 中国石油集团长城钻探工程有限公司 Semi-automatic balanced electric degasser
CN201959595U (en) * 2010-12-30 2011-09-07 天津开发区利达科技发展有限公司 Degasser

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Publication number Priority date Publication date Assignee Title
CN2498321Y (en) * 2001-07-26 2002-07-03 仝昭松 Centrifugal vacuum gas remover
RU2271434C2 (en) * 2004-06-16 2006-03-10 Общество с ограниченной ответственностью "ШИББОЛЕТ" Degasser
CN201326416Y (en) * 2008-12-12 2009-10-14 中国石油集团长城钻探工程有限公司 Semi-automatic balanced electric degasser
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CN201959595U (en) * 2010-12-30 2011-09-07 天津开发区利达科技发展有限公司 Degasser

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102580360A (en) * 2012-02-13 2012-07-18 天津港保税区鑫利达石油技术发展有限公司 Degassing equipment, fluid suction structure thereof and fluid suction head of fluid suction structure
CN102580359A (en) * 2012-02-13 2012-07-18 天津港保税区鑫利达石油技术发展有限公司 Degassing equipment
CN102580360B (en) * 2012-02-13 2015-05-27 天津港保税区鑫利达石油技术发展有限公司 Degassing equipment, fluid suction structure thereof and fluid suction head of fluid suction structure
CN102680611A (en) * 2012-05-13 2012-09-19 江苏有能电力自动化有限公司 Novel fully-automatic vacuum mixing and degassing device
CN103969091A (en) * 2013-01-29 2014-08-06 中国科学院寒区旱区环境与工程研究所 A device for stirring mud and collecting gas in drilling
CN105396331A (en) * 2015-12-09 2016-03-16 江阴乐圩光电股份有限公司 A defoaming machine

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