CN101648195B - Ball taking and casting device, paraffin removal ball casting machine for oil transmission pipeline and ball casting method - Google Patents
Ball taking and casting device, paraffin removal ball casting machine for oil transmission pipeline and ball casting method Download PDFInfo
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- CN101648195B CN101648195B CN2009100921956A CN200910092195A CN101648195B CN 101648195 B CN101648195 B CN 101648195B CN 2009100921956 A CN2009100921956 A CN 2009100921956A CN 200910092195 A CN200910092195 A CN 200910092195A CN 101648195 B CN101648195 B CN 101648195B
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Abstract
The invention relates to a ball taking and casting device, a paraffin removal ball casting machine for an oil transmission pipeline and a ball casting method. The ball taking and casting device is communicated with the oil transmission pipeline and comprises a ball storage barrel, a ball taking and casting rotor shell and a ball taking and casting rotor which rotates in the ball taking and casting rotor shell, wherein the top end of the ball storage barrel is sealed and the bottom end is fixedly connected and communicated with the upper end of the ball taking and casting rotor shell; the ball storage barrel has a pushing force structure for pushing a paraffin removal ball to the bottom end; the lower end of the ball taking and casting rotor shell is fixedly connected and communicated with the oil transmission pipeline; the ball taking and casting rotor comprises a rotor main body, a ball taking and casting chamber, a pressure balance hole and a rotor rotating shaft; the ball taking and casting chamber has a space for containing the paraffin removal ball, the diameter of a space opening is slightly larger than that of the paraffin removal ball, and the pressure balance hole penetrates through the rotor main body from the back of the ball taking and casting chamber and is communicated with the ball taking and casting chamber. The ball taking and casting device automatically casts the ball with pressure without pressuring out or depending on other valves and bypasses and has the advantages of simple structure and easy operation.
Description
Technical field
The present invention relates in a kind of oil pipeline Crude Oil Transportation process to throw in the technology of wax ball clearing, particularly a kind of the getting ball-throwing apparatus and adopt this to get the oil pipeline paraffin removal pitching machine and the pitching method of ball-throwing apparatus of automatic ball-throwing can be with compression set the time.
Background technology
Contain a large amount of paraffin in the underground crude oil that exploitation is come out; In some oil field shaft mouths of China or well site normal temperature oil transportation process, because the temperature and the surface temperature of crude oil have than big-difference, crude oil can be separated out on the inwall of paraffin attached to oil pipeline; Through accumulation after a while; The paraffin of separating out can make the Crude Oil Transportation ability of oil pipeline reduce greatly, even the situation of oil pipeline takes place to stop up, and influences oily flow velocity degree and normal oil transportation.For solving the problem of oil pipeline wax deposition; Usually adopt the mode of regularly throwing in wax ball clearing in the oil pipeline that the paraffin on the oil pipeline inwall is carried out physical removal, need the artificial pitching of delivery outlet end outside every day at least once, because the pressure in the oil pipeline is big; Pitching complex operation manually; And must set up bypass, it is untimely or owe phenomenon such as throwing pitching usually to occur, needs also that production management department adopts according to different well sites, same date is not numbered to wax ball clearing; Irregular selective examination pitching situation such as writes down at management method when receiving ball.
Because the pressure in the oil pipeline is big, more existing paraffin removal pitching devices often can not drop into oil pipeline with wax ball clearing smoothly, the problems such as pressure, sliding tackle of when pitching, spraining easily; And the annex of device is many, volume is big, cost is high; Like application number is " 200810232328.0 ", and denomination of invention discloses a kind of device and method to the timing automatic input wax ball clearing of oil pipeline for the one Chinese patent application of " timing automatic ball-throwing apparatus and method ", and this device is placed on ball valve core in the oil pipeline; And ball valve core opened a belt hole on the original 90 degree directions that flow to; Realize the pitching wax removal through roating sphere valve core 90 degree, the problem that this device exists is, before ball valve core turns to identical preparation pitching with the oil pipeline direction; Easily oil pipeline is stopped up, produce the phenomenon of spraining and pressing.
Summary of the invention
The present invention is directed in the prior art pitching complex operation manually, and must set up bypass, and existing paraffin removal pitching device stops up oil pipeline easily; The problem that normal generation is sprained and pressed provides a kind of novel getting ball-throwing apparatus and adopt this to get the oil pipeline paraffin removal pitching machine of ball-throwing apparatus, can realize the pitching of band pressure; The pressure of can not spraining during work does not rely on other valve and bypass, the simplified operation program yet; Reduce labour intensity; And having simple in structurely, easy-operating advantage the invention still further relates to a kind of oil pipeline paraffin removal pitching method.
Technical scheme of the present invention is following:
A kind of ball-throwing apparatus of getting; Be connected with oil pipeline; It is characterized in that; Comprise ball storage tube, get the pitching rotor case and in getting the pitching rotor case, rotate get the pitching rotor; The end sealing of said ball storage tube, its bottom is fixedly connected and is communicated with getting pitching rotor case upper end, and said ball storage tube has the thrust structure of wax ball clearing being pushed to the bottom; Getting pitching rotor case lower end and oil pipeline is fixedly connected and is communicated with; The diameter of upper end connected entrance and lower end connected entrance of getting the pitching rotor case is all more than or equal to the diameter of wax ball clearing, and the diameter of said ball storage tube is more than or equal to the diameter of a wax ball clearing and less than the diameter of two wax ball clearings, said get the pitching rotor comprise rotor body and be arranged in the rotor body, uncovered get pitching storehouse and pressure compensation opening with run through get the pitching rotor case, link to each other with rotor body, drive get the pitching storehouse opening respectively towards the rotor shaft of ball storage tube and oil pipeline; Said pitching storehouse opening this opening when ball storage tube of getting matches with the upper end connected entrance of getting the pitching rotor case; Said pitching storehouse opening this opening when oil pipeline of getting matches with the lower end connected entrance of getting the pitching rotor case, and the said pitching storehouse of getting has the space that holds a wax ball clearing and open-mouth somewhat larger in diameter in the diameter of wax ball clearing, and said lower end connected entrance and the rotor body of getting the pitching rotor case fits tightly; Said pressure compensation opening runs through rotor body and communicates with the said pitching storehouse of getting from the said back, pitching storehouse of getting; The diameter of said pressure compensation opening is less than the diameter of wax ball clearing, and the said pitching storehouse opening of getting is towards oil pipeline and when getting pitching rotor case lower end connected entrance and match, and pressure compensation opening communicates with ball storage tube.
The top of said ball storage tube seals through plug, and said ball storage tube vertically is provided with formation and pushes wax ball clearing the thrust structure of bottom to, and said upper end connected entrance and the lower end connected entrance of getting the pitching rotor case all is positioned on the longitudinal axis of ball storage tube.
The top of said ball storage tube seals through plug, said thrust structure comprise pass plug get into pull bar in the said ball storage tube, and said pull bar be positioned on the bar head of part of ball storage tube the slide fastener and the balancing weight of connection successively.
Said pull bar stretches out the outer part of plug one handle is set, and the inner pull bar of plug is provided with the pull bar hook, is provided with the groove that draws with pull bar hook coupling in the plug.
The top of said ball storage tube seals through plug, and said thrust structure is for being positioned at the compression spring that the termination of ball storage tube is connected with said plug.
Be connected with on the said rotor shaft and realize that the opening of getting the pitching storehouse is positioned to get the upper end connected entrance of pitching rotor case and the positioner of lower end connected entrance respectively.
Adopt the above-mentioned oil pipeline paraffin removal pitching machine of getting ball-throwing apparatus, it is characterized in that, comprise the pressure-equalizing pipe and the said ball-throwing apparatus of getting that are provided with in order and communicate with oil pipeline respectively along the oil transportation direction; Said pressure-equalizing pipe one end is connected with oil pipeline, the other end with get ball-throwing apparatus and be connected, said pressure-equalizing pipe with get the position that ball-throwing apparatus is connected and be positioned on the cylindrical shell of ball storage tube.
Said pressure-equalizing pipe is provided with stop valve, and said ball storage tube is drawn an emptying pipe, and said emptying pipe is provided with exhaust-valve, is provided with ball valve at said pressure-equalizing pipe with getting the position that ball-throwing apparatus is connected and get between the pitching rotor case upper end.
The said rotor shaft of getting the pitching rotor is connected with drive unit; Be connected with on the said rotor shaft and realize that the opening of getting the pitching storehouse is positioned to get the upper end connected entrance of pitching rotor case and the positioner of lower end connected entrance respectively; Said positioner is symmetrically arranged two limit switches in the outside of the drive unit output that touches at the terminal cam that is provided with of drive unit output and at cam, and said two limit switches all connect drive unit.
Said drive unit comprises interconnected decelerator, motor and controller, and said drive unit output is the decelerator output, and said two limit switches all connect controller.
A kind of oil pipeline paraffin removal pitching method; It is characterized in that; Be provided with one all be fixedly connected with oil pipeline with ball storage tube and be communicated with successively get the pitching rotor case; And rotate around self rotor shaft and realize respectively getting ball to getting the pitching storehouse and from getting the pitching storehouse to the oil pipeline pitching from ball storage tube through in getting the pitching rotor case, rotating, have the uncovered column rotor of getting the pitching storehouse; And with high pressure crude oil through one be positioned at position, the relative upper reaches of oil pipeline pressure-equalizing pipe be directed to the ball storage tube that is positioned at dirty relatively position, push wax ball clearing to the ball storage tube bottom through the thrust structure in the ball storage tube, turn to when ball storage tube is got the position of ball when getting the pitching storehouse; Wax ball clearing gets into gets the pitching storehouse; When getting the pitching storehouse when turning to the position towards the oil pipeline pitching, communicate with ball storage tube from the pressure compensation opening of getting pitching storehouse back break-through column rotor through one, wax ball clearing gets into oil pipeline under the impetus of oil pipeline Central Plains flow of oil pressure.
The top of ball storage tube is sealed through plug, and ball storage tube is arranged so that vertically wax ball clearing leans on the gravity effect to move to the ball storage tube bottom.
The top of ball storage tube is sealed through plug, be provided with pass plug get into pull bar in the ball storage tube, and said pull bar be positioned on the bar head of part of ball storage tube and connect slide fastener and balancing weight successively, balancing weight is pushed wax ball clearing to the ball storage tube bottom.
The fixing and mention of the handle forward and reverse rotation realization of pull bar through stretching out the outer part setting of plug and ball storage tube.
The top of ball storage tube is sealed through plug, be provided with said plug and be positioned at the compression spring that the termination of ball storage tube is connected, push wax ball clearing to the ball storage tube bottom through the elastic force that compresses spring.
Pressure-equalizing pipe is provided with stop valve, and said ball storage tube is drawn an emptying pipe, and said emptying pipe is provided with exhaust-valve, at position that said pressure-equalizing pipe is connected with ball storage tube with get between the pitching rotor case upper end and be provided with ball valve; When getting pitching, open stop valve and ball valve, exhaust-valve is closed; When loading wax ball clearing, close stop valve earlier, balancing weight is proposed ball valve, close ball valve, open exhaust-valve, carry out the release discharge opeing; Wax ball clearing is closed exhaust-valve after loading and finishing, and opens ball valve and stop valve.
Rotor shaft through the column rotor connects drive unit and realizes online automatic ball-throwing, drive unit output end be provided with cam and limit switch as positioner realization get the location of ball and pitching.
Technique effect of the present invention is following:
The ball-throwing apparatus of getting provided by the invention; Since be provided with in the ball storage tube bottom be fixedly connected with oil pipeline and be communicated with get the pitching rotor case; The rotating pitching rotor of getting is set in getting the pitching rotor case; Ball storage tube is not directly to be connected with oil pipeline like this, neither single-pass crosses valve control wax ball clearing in it and directly gets in the oil pipeline, but push wax ball clearing to the ball storage tube bottom through thrust mechanism; When communicating with the opening of getting the pitching storehouse wax ball clearing sent into to get and only hold the getting in the pitching storehouse an of wax ball clearing in the pitching rotor, will get pitching storehouse opening and aim at oil pipeline the wax ball clearing input by getting the pitching rotor rotation in the ball storage tube bottom.This gets ball-throwing apparatus and pressure equaliser cooperating; Not be used in like this valve control pitching is set in the oil pipeline; No matter getting ball still is that pitching is not all carried out in oil pipeline; Therefore the high pressure of oil pipeline to ball storage tube get ball, pitching does not influence; Owing to the oil pipeline that causes before the pitching stops up the pressure phenomenon of spraining that produces, like this, do not realized the function that prior art could realize through numerous valves, by-pass line in the time of ball storage tube can not take place directly linking to each other through simple structure with oil pipeline.
The top of ball storage tube seals through plug, and the thrust structure of wax ball clearing being pushed to the ball storage tube bottom can be that ball storage tube vertically is provided with, and this spline structure is the simplest, need not to be provided with other push mechanism; Thrust mechanism can be pull bar, slide fastener and balancing weight, thereby the wax ball clearing bottom that can under the effect of the gravity of balancing weight, get into ball storage tube successively gets into and gets the pitching storehouse like this, the slide fastener balancing weight that follows up synchronously, and it is more convenient fast to guarantee to get ball; When thrust mechanism is the compression spring, also can progressively push wax ball clearing to the ball storage tube bottom through the elastic force of compression spring.
Oil pipeline paraffin removal pitching machine provided by the invention; Can be under the effect of getting the pitching rotor; Make that getting the pitching storehouse communicates with ball storage tube, the pressure balance that this moment, pressure-equalizing pipe and pressure compensation opening were set up ball storage tube and oil pipeline, the wax ball clearing in the ball storage tube is fallen into from ball storage tube and is got the pitching storehouse; Get the pitching rotor rotation then; Make that getting the pitching storehouse communicates with oil pipeline, wax ball clearing enters into oil pipeline under the impetus of self gravitation and oil pipeline Central Plains flow of oil pressure, accomplish throwing motion.Oil pipeline paraffin removal pitching machine compact conformation of the present invention, volume are little, rely on getting the pitching rotor and getting this structure in pitching storehouse and can accomplish pitching simple and fast, accurate of rotation; Getting ball, throwing motion only needs the present invention's one covering device not rely on other numerous valves and bypass, can simplify procedures, and reduces labour intensity.
Pressure-equalizing pipe is provided with stop valve; Ball storage tube is drawn an emptying pipe; Emptying pipe is provided with exhaust-valve, and pressure-equalizing pipe is provided with ball valve with getting the position that ball-throwing apparatus is connected and get between the pitching rotor case upper end, when needing to load wax ball clearing in the ball storage tube; Can play the effect of release discharge opeing through the open and close of exhaust-valve, ball valve and stop valve, the security performance when strengthening operation.
The rotor shaft of getting the pitching rotor is connected with drive unit, a cam and two limit switches is set as positioner at the end of drive unit output, and each limit switch all connects drive unit, thereby realizes the on-line automatic pitching of getting.
Description of drawings
Fig. 1 is the structural representation of the preferred embodiment of oil pipeline paraffin removal pitching machine of the present invention;
Fig. 2 is the structural representation of the pitching state of oil pipeline paraffin removal pitching machine shown in Figure 1;
Fig. 3 is the structural representation of adorning spherical attitude of oil pipeline paraffin removal pitching machine shown in Figure 1;
Fig. 4 gets the structural representation that the pitching rotor is connected with drive unit;
Fig. 5 is the structural representation of another preferred embodiment of oil pipeline paraffin removal pitching machine of the present invention;
Fig. 6 is the flow chart of the preferred embodiment of oil pipeline paraffin removal pitching method of the present invention.
Each label is listed as follows among the figure:
The 1-oil pipeline; 2-gets the pitching rotor; 3-gets the pitching storehouse; 4-gets the pitching rotor case; The 5-ball valve; The 6-ball storage tube; The 7-plug; The 8-pull bar; The 9-pocket for the punch head; 10-pull bar hook; The 11-handle; The 12-sealing ring; The 13-spacing ring; The 14-slide fastener; The 15-balancing weight; The 16-wax ball clearing; The 17-pressure-equalizing pipe; The 18-pressure compensation opening; The 19-stop valve; The 20-exhaust-valve; The 21-flange; The 22-rotor shaft; The 23-shaft joint; The 24-decelerator; The 25-motor; The 26-bearing pin; The 27-cam; The 28-limit switch; The 29-controller; 30-compresses spring; The 31-rotor body.
The specific embodiment
The present invention will be described below in conjunction with accompanying drawing.Fig. 1 is the structural representation of the preferred embodiment of oil pipeline paraffin removal pitching machine of the present invention; This oil pipeline paraffin removal pitching machine; Comprise along the oil transportation direction be provided with in order and the pressure-equalizing pipe that communicates with oil pipeline 1 respectively 17 with get ball-throwing apparatus; Get ball-throwing apparatus comprise ball storage tube 6, get pitching rotor case 4 and in getting pitching rotor case 4, rotate get pitching rotor 2; The top of ball storage tube 6 seals through plug 7; The bottom of ball storage tube 6 with get pitching rotor case 4 upper ends and be fixedly connected and be communicated with; Get pitching rotor case 4 lower ends and oil pipeline 1 and be fixedly connected and be communicated with, the diameter of upper end connected entrance and lower end connected entrance of getting pitching rotor case 4 is all more than or equal to the diameter of wax ball clearing 16, and ball storage tube 6 is used to deposit wax ball clearing 16; The diameter of this ball storage tube 6 is more than or equal to the diameter of a wax ball clearing and less than the diameter 16 of two wax ball clearings; Be preferably and be slightly larger than the wax ball clearing diameter, get pitching rotor 2 and comprise rotor body 31, uncovered pitching storehouse 3, pressure compensation opening 18 and the rotor shaft 22 (visible shown in Figure 4 get the structural representation that the pitching rotor is connected with drive unit) got, wherein; Rotor body 31 fits tightly with the lower end connected entrance of getting pitching rotor case 4; Get pitching storehouse 3 and all be arranged in the rotor body 31 with pressure compensation opening 18, get pitching storehouse 3 and have the space that holds a wax ball clearing 16 and open-mouth somewhat larger in diameter in the diameter of wax ball clearing 16, the rear end of getting pitching storehouse 3 is processed with the pressure compensation opening 18 of diameter less than the diameter of wax ball clearing; Pressure compensation opening 18 runs through rotor body 31 and gets pitching storehouse 3 and communicate from getting 3 backs, pitching storehouse; Rotor shaft 22 runs through to be got pitching rotor case 4, links to each other with rotor body 31, gets rotor shaft 22 rotations of pitching rotor 2 around self, and rotor shaft 22 drives the opening of getting pitching storehouse 3 and matches towards ball storage tube 6 and with the upper end connected entrance of getting pitching rotor case 4 respectively and match towards oil pipeline 1 and with the lower end connected entrance of getting pitching rotor case 4; When getting pitching storehouse 3 openings and match towards oil pipeline 1 and with the lower end connected entrance of getting pitching rotor case 4, pressure compensation opening 18 communicates with ball storage tube 6.Pressure-equalizing pipe 17 1 ends are connected with oil pipeline 1, and the other end is connected with the cylindrical shell of ball storage tube 6.
Pressure-equalizing pipe 17 is provided with stop valve 19; Ball storage tube 6 is drawn an emptying pipe; Present embodiment is on the stop valve outlet connecting pipe, to draw an emptying pipe; Emptying pipe is provided with exhaust-valve 20, at position that pressure-equalizing pipe 17 is connected with the cylindrical shell of ball storage tube 6 with get between pitching rotor case 4 upper ends and be provided with ball valve 5.Get to be connected with on the rotor shaft 22 of pitching rotor 2 and realize that the opening of getting pitching storehouse 3 is positioned to get the upper end connected entrance of pitching rotor case 4 and the positioner of lower end connected entrance respectively; This positioner can be on rotor shaft and at symmetrically arranged two marks of getting beyond the pitching rotor case of part; When these two marks are all vertical; Get the pitching rotor and stop operating, get the operation of pitching; Also can these two marks be replaced with two holes in addition, promptly carry out mark through reach through hole on rotor shaft; Can also realize online automatic ball-throwing; As shown in Figure 4 get the structural representation that the pitching rotor is connected with drive unit; Drive unit among Fig. 4 comprises interconnected decelerator 24, motor 25 and controller 29, vertically is provided with to ball storage tube, and getting pitching rotor 2 and be one can 180 ° of rotating cylindrical rotor; The rotor shaft 22 of getting pitching rotor 2 is connected with the output of decelerator 24 through shaft joint 23; And the output of rotor shaft 22 and decelerator 24 is fixing with bearing pin 26 in shaft joint 23 respectively, and positioner all connects controller 29 for the outside of decelerator 24 outputs that a cam 27 are set and touch at cam 27 is symmetrical set 28, two limit switches of two limit switches on the end of the rotating shaft of decelerator 24 outputs; Motor in the drive unit of present embodiment is a fire-proof motor; Controller 29 can be selected programmable logic controller (PLC) PLC, and positioner is as the electrical equipment executive component, through the cam shake-up limit switch of rotation; Limit switch sends instruction and gives PLC; PLC control motor stops, and stops operating so get the pitching rotor, provides once more after it's the scheduled time pasts PLC to get pitching instruction and the rotation of control motor; Recover to rotate so get the pitching rotor, thereby thereby under the effect of positioner, can realize ball storage tube, get pitching storehouse, pressure compensation opening and oil pipeline and connect successively and realize getting the location of ball and realize ball storage tube, pressure compensation opening, get the location that pitching storehouse and oil pipeline connect the realization pitching successively.
The course of work below in conjunction with Fig. 1-3 pair of oil pipeline paraffin removal pitching machine of the present invention is described.
The oil pipeline paraffin removal pitching machine inserts on-the-spot oil pipeline 1 through flange 21; Ball storage tube 6 vertically is provided with; Thereby the plug 7 of screwing, handle 11 is rotated 90 ° pull bar hook 10 hung in the pocket for the punch head 9, close exhaust-valve 20, open ball valve 5 and stop valve 19; Ball storage tube 6, get pitching storehouse 3, pressure compensation opening 18, oil pipeline 1 and pressure-equalizing pipe 17 and connect successively, pressure-equalizing pipe 17 has been set up the pressure balance of ball storage tube 6 with oil pipeline 1 with pressure compensation opening 18.
As shown in Figure 1 when getting ball; Drive unit according to the preset time provide get the ball instruction after, drive and get pitching rotor 2 and in getting pitching rotor case 4, turn round 180 °, get pitching storehouse 3 from getting back to over against the direction of ball storage tube 6 over against the direction of oil pipeline 1; Owing to get pitching storehouse 3 over against ball storage tube 6; Under the gravity effect of the gravity effect of balancing weight 15 and wax ball clearing 16 self, a wax ball clearing 16 gets into from ball storage tube 6 to be got in the pitching storehouse 3, at this moment slide fastener 14 follow-up balancing weights 15 synchronously.Certainly; Pull bar among this embodiment, spacing ring, slide fastener and balancing weight also can replace with being positioned at the compression spring that the termination of ball storage tube 6 is connected with plug 7; Handle, pull bar hook and pocket for the punch head all can be cancelled at this moment; The structural representation of another preferred embodiment of oil pipeline paraffin removal pitching machine of the present invention as shown in Figure 5, the elastic force that compresses through compression spring 30 among this embodiment presses downward to wax ball clearing the bottom of ball storage tube 6.
In the structural representation of the pitching state of oil pipeline paraffin removal pitching machine shown in Figure 2; The oil pipeline paraffin removal pitching machine is identical with operating mode among Fig. 1; Drive unit provides the pitching instruction according to the preset time after getting the chou bundle; Get pitching rotor 2 and in getting pitching rotor case 4, turn round 180 ° once more, get pitching storehouse 3 from getting back to over against the direction of oil pipeline 1, and carried a wax ball clearing 16 over against the direction of ball storage tube 6; Get the pressure balance that wax ball clearing 16 in the vertical directions in the pitching storehouse receive this moment; Because of getting space and open-mouth somewhat larger in diameter that the pitching storehouse just holds a wax ball clearing 16 in the diameter of wax ball clearing 16; So wax ball clearing 16 is understood some and is exposed from getting pitching storehouse opening part; Wax ball clearing 16 gets into oil pipeline 1 under the impetus of self gravitation and oil pipeline 1 Central Plains flow of oil pressure, accomplish throwing motion, and instruction is next time waited in the motor outage.
Fig. 3 is the structural representation of adorning spherical attitude of this oil pipeline paraffin removal pitching machine, is the structural representation when in ball storage tube 6, loading wax ball clearing 16, when the oil pipeline paraffin removal pitching machine need be loaded wax ball clearing 16; Close stop valve 19 successively, handle 11 is reversed 90 °, pull bar hook 10 and pocket for the punch head 9 are broken away from, upspring automatically under the effect of rushing to summit of the pressure of pull bar 8 in ball storage tube 6; Take balancing weight 15 out of ball valve 5; Because the effect of sealing ring 12 and spacing ring 13 does not have fluid and reveals, pull bar 8 can not scurried out yet, and balancing weight 15 maximums can reach the position of spacing ring 13; Close ball valve 5; Open exhaust-valve 20, after the release discharge opeing is confirmed, turn on plug 7 dress balls; Tighten plug 7 successively behind the dress chou bundle, handle 11 counter-rotatings are hung up pull bar hook 10 for 90 °, close exhaust-valve 20, open ball valve 5 and stop valve 19.Get pitching rotor 2 and drive,, realize online automatic ball-throwing, can realize remote monitoring with upper machine communication with Programmable Logic Controller and the control of electric executive component by motor and decelerator.
When ball storage tube vertically is provided with, gets the pitching rotor and utilize 180 ° of revolutions to get ball and pitching respectively; When ball storage tube is obliquely installed, gets other angle of pitching rotor revolution and realize getting pitching respectively.Oil pipeline paraffin removal pitching machine compact conformation of the present invention, volume are little, rely on rotatingly to get the pitching rotor and get this structure in pitching storehouse and can accomplish pitching simple and fast, accurate; Throwing motion only needs the present invention's one covering device not rely on other valve and bypass, and also not existing sprains presses or clogging, can simplify procedures, and reduces labour intensity; Be used with drive unit and the control of electric executive component, realize local automatic ball-throwing and remote monitoring, greatly improve the managerial skills of oil field pitching wax removal work.
Oil pipeline paraffin removal pitching method of the present invention; Be provided with one all be fixedly connected with oil pipeline with ball storage tube and be communicated with successively get the pitching rotor case; And rotate around self rotor shaft and realize respectively getting ball to getting the pitching storehouse and from getting the pitching storehouse to the oil pipeline pitching from ball storage tube through in getting the pitching rotor case, rotating, have the uncovered column rotor of getting the pitching storehouse; And with high pressure crude oil through one be positioned at position, the relative upper reaches of oil pipeline pressure-equalizing pipe be directed to the ball storage tube that is positioned at dirty relatively position; Thrust structure through in the ball storage tube is pushed wax ball clearing to the ball storage tube bottom; Turn to when ball storage tube is got the position of ball when getting the pitching storehouse; Wax ball clearing gets into gets the pitching storehouse, when getting the pitching storehouse when turning to the position towards the oil pipeline pitching, communicates with ball storage tube from the pressure compensation opening of getting pitching storehouse back break-through column rotor through one; Make and get the pressure balance that the wax ball clearing in the vertical direction in the pitching storehouse receives; Wax ball clearing gets into oil pipeline under the impetus of oil pipeline Central Plains flow of oil pressure, set up the pressure balance on ball storage tube and the oil pipeline through a pressure-equalizing pipe and at the column internal rotor with getting the pressure compensation opening that back, pitching storehouse is communicated with, and Fig. 6 is the flow chart of the preferred embodiment of oil pipeline paraffin removal pitching method of the present invention:
The top of the ball storage tube that wax ball clearing is housed is sealed through plug; And ball storage tube vertically is provided with, when ball storage tube is got ball, close the exhaust-valve above the emptying pipe of drawing on the ball storage tube; Stop valve on the opening pressure balance pipe; And the position that is connected with ball storage tube of opening pressure balance pipe and get the ball valve that is provided with between the pitching rotor case upper end, 180 ° of column rotor revolutions make and get the pitching storehouse over against ball storage tube; The balancing weight that is provided with in the ball storage tube is exerted pressure to wax ball clearing; Make wax ball clearing get into and get the pitching storehouse, accomplish and get ball, thereby the mode that also can replace balancing weight through the mode of compression spring is pushed wax ball clearing to the ball storage tube bottom and got into and get the pitching storehouse from ball storage tube; When the oil pipeline pitching, the column rotor turns round 180 ° once more, makes to get the pitching storehouse over against oil pipeline, and wax ball clearing is from getting the pitching storehouse to the oil pipeline pitching; When loading wax ball clearing, close stop valve earlier, balancing weight is proposed ball valve, close ball valve, open exhaust-valve, carry out the release discharge opeing; Wax ball clearing is closed exhaust-valve after loading and finishing, and opens ball valve and stop valve.
Wherein, Balancing weight connects a pull bar through slide fastener in ball storage tube; Also be provided with spacing ring between pull bar and the slide fastener, spacing ring is controlled balancing weight through slide fastener, and pull bar can also and be mentioned through the fixing of forward and reverse half-twist realization of the handle that stretches out the outer part setting of plug and ball storage tube; The rotor shaft of column rotor is connected with drive unit through shaft joint; A cam and two limit switches are set as positioner at the end of drive unit output, each limit switch all connects drive unit, thereby realizes the on-line automatic pitching of getting.
Should be pointed out that the above specific embodiment can make those skilled in the art more fully understand the invention, but do not limit the present invention in any way creation.Therefore; Although this specification has carried out detailed explanation with reference to accompanying drawing and embodiment to the invention,, those skilled in the art are to be understood that; Still can make amendment or be equal to replacement the invention; In a word, all do not break away from the technical scheme and the improvement thereof of the spirit and the scope of the invention, and it all should be encompassed in the middle of the protection domain of the invention patent.
Claims (25)
1. get ball-throwing apparatus for one kind; Be connected with oil pipeline; It is characterized in that; Comprise ball storage tube, get the pitching rotor case and in getting the pitching rotor case, rotate get the pitching rotor; The end sealing of said ball storage tube, its bottom is fixedly connected and is communicated with getting pitching rotor case upper end, and said ball storage tube has the thrust structure of wax ball clearing being pushed to the bottom; Getting pitching rotor case lower end and oil pipeline is fixedly connected and is communicated with; The diameter of upper end connected entrance and lower end connected entrance of getting the pitching rotor case is all more than or equal to the diameter of wax ball clearing, and the diameter of said ball storage tube is more than or equal to the diameter of a wax ball clearing and less than the diameter of two wax ball clearings, said get the pitching rotor comprise rotor body and be arranged in the rotor body, uncovered get pitching storehouse and pressure compensation opening with run through get the pitching rotor case, link to each other with rotor body, drive get the pitching storehouse opening respectively towards the rotor shaft of ball storage tube and oil pipeline; Said pitching storehouse opening this opening when ball storage tube of getting matches with the upper end connected entrance of getting the pitching rotor case; Said pitching storehouse opening this opening when oil pipeline of getting matches with the lower end connected entrance of getting the pitching rotor case, and the said pitching storehouse of getting has the space that holds a wax ball clearing and open-mouth somewhat larger in diameter in the diameter of wax ball clearing, and said lower end connected entrance and the rotor body of getting the pitching rotor case fits tightly; Said pressure compensation opening runs through rotor body and communicates with the said pitching storehouse of getting from the said back, pitching storehouse of getting; The diameter of said pressure compensation opening is less than the diameter of wax ball clearing, and the said pitching storehouse opening of getting is towards oil pipeline and when getting pitching rotor case lower end connected entrance and match, and pressure compensation opening communicates with ball storage tube.
2. the ball-throwing apparatus of getting according to claim 1; It is characterized in that; The top of said ball storage tube seals through plug; Said ball storage tube vertically is provided with formation and pushes wax ball clearing the thrust structure of bottom to, and said upper end connected entrance and the lower end connected entrance of getting the pitching rotor case all is positioned on the longitudinal axis of ball storage tube.
3. the ball-throwing apparatus of getting according to claim 1; It is characterized in that; The top of said ball storage tube seals through plug, said thrust structure comprise pass plug get into pull bar in the said ball storage tube, and said pull bar be positioned on the bar head of part of ball storage tube the slide fastener and the balancing weight of connection successively.
4. the ball-throwing apparatus of getting according to claim 2 is characterized in that, said thrust structure comprise pass plug get into pull bar in the said ball storage tube, and said pull bar be positioned on the bar head of part of ball storage tube the slide fastener and the balancing weight of connection successively.
5. according to claim 3 or the 4 described ball-throwing apparatus of getting, it is characterized in that said pull bar stretches out the outer part of plug one handle is set, the inner pull bar of plug is provided with the pull bar hook, is provided with the groove that draws with pull bar hook coupling in the plug.
6. the ball-throwing apparatus of getting according to claim 1 is characterized in that the top of said ball storage tube seals through plug, and said thrust structure is for being positioned at the compression spring that the termination of ball storage tube is connected with said plug.
7. the ball-throwing apparatus of getting according to claim 1 is characterized in that, is connected with on the said rotor shaft to realize that the opening of getting the pitching storehouse is positioned to get the upper end connected entrance of pitching rotor case and the positioner of lower end connected entrance respectively.
8. adopt one of claim 1 to the 6 said oil pipeline paraffin removal pitching machine of getting ball-throwing apparatus, it is characterized in that, comprise the pressure-equalizing pipe and the said ball-throwing apparatus of getting that are provided with in order and communicate with oil pipeline respectively along the oil transportation direction; Said pressure-equalizing pipe one end is connected with oil pipeline, the other end with get ball-throwing apparatus and be connected, said pressure-equalizing pipe with get the position that ball-throwing apparatus is connected and be positioned on the cylindrical shell of ball storage tube.
9. adopt the said oil pipeline paraffin removal pitching machine of getting ball-throwing apparatus of claim 7, it is characterized in that, comprise the pressure-equalizing pipe and the said ball-throwing apparatus of getting that are provided with in order and communicate with oil pipeline respectively along the oil transportation direction; Said pressure-equalizing pipe one end is connected with oil pipeline, the other end with get ball-throwing apparatus and be connected, said pressure-equalizing pipe with get the position that ball-throwing apparatus is connected and be positioned on the cylindrical shell of ball storage tube.
10. oil pipeline paraffin removal pitching machine according to claim 8; It is characterized in that; Said pressure-equalizing pipe is provided with stop valve; Said ball storage tube is drawn an emptying pipe, and said emptying pipe is provided with exhaust-valve, is provided with ball valve at said pressure-equalizing pipe with getting the position that ball-throwing apparatus is connected and get between the pitching rotor case upper end.
11. oil pipeline paraffin removal pitching machine according to claim 9; It is characterized in that; Said pressure-equalizing pipe is provided with stop valve; Said ball storage tube is drawn an emptying pipe, and said emptying pipe is provided with exhaust-valve, is provided with ball valve at said pressure-equalizing pipe with getting the position that ball-throwing apparatus is connected and get between the pitching rotor case upper end.
12. according to Claim 8 or 10 described oil pipeline paraffin removal pitching machines; It is characterized in that; The said rotor shaft of getting the pitching rotor is connected with drive unit; Be connected with on the said rotor shaft and realize that the opening of getting the pitching storehouse is positioned to get the upper end connected entrance of pitching rotor case and the positioner of lower end connected entrance respectively; Said positioner is symmetrically arranged two limit switches in the outside of the drive unit output that touches at the terminal cam that is provided with of drive unit output and at cam, and said two limit switches all connect drive unit.
13. according to claim 9 or 11 described oil pipeline paraffin removal pitching machines; It is characterized in that; The said rotor shaft of getting the pitching rotor is connected with drive unit; Said positioner is symmetrically arranged two limit switches in the outside of the drive unit output that touches at the terminal cam that is provided with of drive unit output and at cam, and said two limit switches all connect drive unit.
14. oil pipeline paraffin removal pitching machine according to claim 12; It is characterized in that; Said drive unit comprises interconnected decelerator, motor and controller, and said drive unit output is the decelerator output, and said two limit switches all connect controller.
15. oil pipeline paraffin removal pitching machine according to claim 13; It is characterized in that; Said drive unit comprises interconnected decelerator, motor and controller, and said drive unit output is the decelerator output, and said two limit switches all connect controller.
16. oil pipeline paraffin removal pitching method; It is characterized in that; Be provided with one all be fixedly connected with oil pipeline with ball storage tube and be communicated with successively get the pitching rotor case; And rotate around self rotor shaft and realize respectively getting ball to getting the pitching storehouse and from getting the pitching storehouse to the oil pipeline pitching from ball storage tube through in getting the pitching rotor case, rotating, have the uncovered column rotor of getting the pitching storehouse; And with high pressure crude oil through one be positioned at position, the relative upper reaches of oil pipeline pressure-equalizing pipe be directed to the ball storage tube that is positioned at dirty relatively position, push wax ball clearing to the ball storage tube bottom through the thrust structure in the ball storage tube, turn to when ball storage tube is got the position of ball when getting the pitching storehouse; Wax ball clearing gets into gets the pitching storehouse; When getting the pitching storehouse when turning to the position towards the oil pipeline pitching, communicate with ball storage tube from the pressure compensation opening of getting pitching storehouse back break-through column rotor through one, wax ball clearing gets into oil pipeline under the impetus of oil pipeline Central Plains flow of oil pressure.
17. oil pipeline paraffin removal pitching method according to claim 16 is characterized in that, the top of ball storage tube is sealed through plug, ball storage tube is arranged so that vertically wax ball clearing leans on the gravity effect to move to the ball storage tube bottom.
18. oil pipeline paraffin removal pitching method according to claim 16; It is characterized in that; The top of ball storage tube is sealed through plug; Setting pass plug get into pull bar in the ball storage tube, and said pull bar be positioned on the bar head of part of ball storage tube and connect slide fastener and balancing weight successively, balancing weight is pushed wax ball clearing to the ball storage tube bottom.
19. oil pipeline paraffin removal pitching method according to claim 17; It is characterized in that; Setting pass plug get into pull bar in the ball storage tube, and said pull bar be positioned on the bar head of part of ball storage tube and connect slide fastener and balancing weight successively, balancing weight is pushed wax ball clearing to the ball storage tube bottom.
20., it is characterized in that the fixing and mention of the handle forward and reverse rotation realization of pull bar through stretching out the outer part setting of plug and ball storage tube according to claim 18 or 19 described oil pipeline paraffin removal pitching methods.
21. oil pipeline paraffin removal pitching method according to claim 16; It is characterized in that; The top of ball storage tube is sealed through plug, be provided with said plug and be positioned at the compression spring that the termination of ball storage tube is connected, push wax ball clearing to the ball storage tube bottom through the elastic force that compresses spring.
22. according to claim 18 or 19 described oil pipeline paraffin removal pitching methods; It is characterized in that; Pressure-equalizing pipe is provided with stop valve; Said ball storage tube is drawn an emptying pipe, and said emptying pipe is provided with exhaust-valve, at position that said pressure-equalizing pipe is connected with ball storage tube with get between the pitching rotor case upper end and be provided with ball valve; When getting pitching, open stop valve and ball valve, exhaust-valve is closed; When loading wax ball clearing, close stop valve earlier, balancing weight is proposed ball valve, close ball valve, open exhaust-valve, carry out the release discharge opeing; Wax ball clearing is closed exhaust-valve after loading and finishing, and opens ball valve and stop valve.
23. according to claim 16 or 17 or 18 or 19 or 21 described oil pipeline paraffin removal pitching methods; It is characterized in that; Rotor shaft through the column rotor connects drive unit and realizes online automatic ball-throwing, drive unit output end be provided with cam and limit switch as positioner realization get the location of ball and pitching.
24. oil pipeline paraffin removal pitching method according to claim 20; It is characterized in that; Rotor shaft through the column rotor connects drive unit and realizes online automatic ball-throwing, drive unit output end be provided with cam and limit switch as positioner realization get the location of ball and pitching.
25. oil pipeline paraffin removal pitching method according to claim 22; It is characterized in that; Rotor shaft through the column rotor connects drive unit and realizes online automatic ball-throwing, drive unit output end be provided with cam and limit switch as positioner realization get the location of ball and pitching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100921956A CN101648195B (en) | 2009-09-04 | 2009-09-04 | Ball taking and casting device, paraffin removal ball casting machine for oil transmission pipeline and ball casting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100921956A CN101648195B (en) | 2009-09-04 | 2009-09-04 | Ball taking and casting device, paraffin removal ball casting machine for oil transmission pipeline and ball casting method |
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| Publication Number | Publication Date |
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| CN101648195A CN101648195A (en) | 2010-02-17 |
| CN101648195B true CN101648195B (en) | 2012-05-09 |
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| CN2009100921956A Active CN101648195B (en) | 2009-09-04 | 2009-09-04 | Ball taking and casting device, paraffin removal ball casting machine for oil transmission pipeline and ball casting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102383775B (en) * | 2011-07-21 | 2014-04-30 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Double-cock ball throwing device and ball throwing method |
| CN102921686A (en) * | 2012-11-09 | 2013-02-13 | 西安冠林智能科技有限公司 | Novel radio frequency identification automatic ball injector |
| CN104607425B (en) * | 2015-01-09 | 2017-01-18 | 宁波科尼管洁净科技有限公司 | Automatic cleaning device for pipe inner wall |
| CN104790932B (en) * | 2015-04-21 | 2017-07-25 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of continuous stratification pressure break ball injector and its control method |
| CN105064966B (en) * | 2015-08-10 | 2017-11-21 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of pressing crack construction skid ball-throwing apparatus |
| CN106499911B (en) * | 2016-10-11 | 2018-04-03 | 西南石油大学 | A kind of buried oil gas pipeline wiper magnetic anomaly normal open ball monitoring and blocking localization method |
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