CN114605048A - Sludge treatment system for drilling engineering mud circulation - Google Patents

Abstract

The invention discloses a sludge treatment system for drilling engineering mud circulation, which comprises a vibrating screen and a sedimentation tank, wherein an obliquely arranged converging pipe and a vertically arranged comprehensive mixing pipe are sequentially arranged between a sludge outlet of the vibrating screen and the sedimentation tank; join the pipe and combine the muddy pipe through the setting to set up sprinkler, when carrying mud to the sedimentation tank, can spray in step and add the medicament, and further set up mixing mechanism, also make mud and medicament further misce bene under mixing mechanism's mixture, compare with the present direct agitating unit that installs additional in the sedimentation tank, reduced the equipment volume, practiced thrift the equipment consumptive material, and mix no dead angle, improved mixed effect, reached environmental protection and green investigation purpose.

Description

Sludge treatment system for drilling engineering mud circulation

Technical Field

The invention belongs to the technical field of sludge treatment, and particularly relates to a sludge treatment system for drilling engineering mud circulation.

Background

In drilling projects such as geological mineral drilling projects, mud circulation is an essential and important part of the drilling projects. In the process of slurry circulation, certain waste slurry and sludge are generated, and the sludge contains many substances harmful to the environment, such as oil, chemical additives, heavy metals (such as mercury, copper, chromium, lead and the like), high molecular organic compounds, alkaline substances and the like, and if the sludge is not treated, the sludge is discharged again or is left in a sedimentation tank, secondary pollution is caused, and the ecological environment is seriously harmed.

Along with the enhancement of environmental protection consciousness and green investigation job requirement, more and more building sites, can add the medicament to the mud in the sedimentation tank, with can neutralize or get rid of the harmful substance in the mud, but at present, when adding the medicament, generally directly spray the medicine to the mud of sedimentation tank, and directly install agitating unit additional in the sedimentation tank, but because the volume of sedimentation tank is great, consequently need install a plurality of agitated vessel additional, and every agitated vessel's volume is also great, not only caused certain consumptive material extravagant, and there are more mixed dead angle, the processing that leads to mud does not reach ideal effect.

Disclosure of Invention

In view of the defects and shortcomings in the prior art, the invention aims to provide a sludge treatment system for drilling engineering mud circulation, which solves the problems that when sludge which is discarded in mud circulation is treated at present, a sedimentation tank is sprayed with chemicals, a plurality of stirring devices need to be additionally arranged in the sedimentation tank for well mixing the sludge and the chemicals, and each stirring device is large in size, so that not only is certain consumable materials wasted, but also more mixing dead corners exist, and the sludge treatment cannot achieve ideal effects.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a sludge treatment system for drilling engineering mud endless, including shale shaker and sedimentation tank, set gradually between the mud export of shale shaker and the sedimentation tank converge the pipe that sets up and the mixing tube is combined of a vertical setting, it can carry out the mixing mechanism of homogeneous mixing to mud and medicament to one can spray the sprinkler of medicament and one to the mud of synthesizing the mixing tube to combine to be equipped with one on the mixing tube, sprinkler and mixing mechanism can be according to whether have mud to fall down and open automatically or the opening of closing opens the on-off control jointly through one.

As a further improvement of the invention, the blending mechanism comprises a conical dispersion body arranged at a spraying point, a collecting tank which is in a spherical bottom shape and has the same axis with the dispersion body is arranged below the dispersion body, a plurality of round holes are arranged on the collecting tank, the bottom of the dispersion body is rotationally connected with a plurality of stirring rods with stirring blades along the circumferential direction of the dispersion body, the collecting tank and the stirring rods are jointly connected with a driving mechanism arranged on the blending cylinder, the driving mechanism is used for driving the collecting tank to rotate forwards and reversely at intervals, the dispersion body is driven to rotate in the direction opposite to the rotating direction of the collecting tank, the dispersion body is driven to move upwards or downwards, and the stirring rods are driven to rotate around the axes of the dispersion body.

In addition, by arranging the collecting tank, firstly, the sludge which is dispersedly flowed from the dispersoid can be concentrated, and the sludge is prevented from flowing downwards along the inner wall of the comprehensive mixing pipe, and secondly, a balanced flowing mixing bin can be formed, namely, the sludge is preliminarily mixed in the collecting tank and then flows downwards into the sedimentation tank, and part of the sludge in the collecting tank is mixed under the drive of the stirring blades and the stirring rod;

the driving mechanism can drive the collecting groove to rotate, drives the dispersion to rotate in the direction opposite to the rotation direction of the collecting groove and simultaneously drives the dispersion to move upwards or downwards, and drives the stirring rod to rotate around the axis of the stirring rod; that is, the stirring rod can revolve along the axis of the dispersion, while moving upward or downward along with the dispersion, and at the same time, the stirring rod rotates around the self axis, and the collecting tank and the dispersoid rotate reversely, so that the relative rotating speed of the stirring rod and the collecting tank can be increased, the stirring effect is improved, namely, the stirring rod can rotate and revolve (and has the opposite direction to the gathering tank) and can move up and down, thereby stirring the sludge in a plurality of directions, exerting the stirring and mixing effects to the utmost extent, avoiding the sludge from caking, the mixing effect of the sludge and the medicament is greatly improved, in addition, the double-thread cylinder can drive the stirring rod to move up and down, promote mud in upper and lower direction, outside improving the stirring effect, drive the dispersion simultaneously and can reciprocate and rotate, the dispersion reciprocates and rotates in the middle of sprinkler, can make the mud of each position of dispersion can obtain more even spraying.

As a further improvement of the invention, the driving mechanism comprises a vertical rotating shaft which is rotationally connected with a connecting piece arranged on the combined mixing cylinder and a driving part which drives the vertical rotating shaft to rotate, the vertical rotating shaft is fixed with the collecting groove, the top end of the vertical rotating shaft penetrates through the collecting groove and is coaxially connected with the external thread shaft, the double-thread sleeve is sleeved on the external thread shaft in a threaded fit manner, the upper end of the double-thread sleeve is connected with the dispersing body through a connecting shaft, an internal thread sleeve in a threaded fit manner is sleeved on the outer side of the double-thread sleeve, the internal thread sleeve is fixed on the combined mixing cylinder through a fixing piece, a large external gear is sleeved and fixed on the connecting shaft, and each stirring rod is in meshed connection with the large external gear through a small external gear sleeved on the stirring rod.

As a further improvement of the invention, the driving part comprises a servo motor, a horizontal rotating shaft and two bevel gears which are meshed with each other, wherein one bevel gear is sleeved and fixed at the bottom end of the vertical rotating shaft and is meshed and connected with the other bevel gear which is sleeved and fixed at one end of the horizontal rotating shaft, the other end of the horizontal rotating shaft is connected with the servo motor which is fixed on the outer wall of the comprehensive mixing barrel, and the middle part of the horizontal rotating shaft is connected with the comprehensive mixing barrel or a connecting piece through a connecting plate which is rotationally connected with the horizontal rotating shaft.

As a further improvement of the invention, a protective shell is arranged outside the bevel gear and is connected with the connecting piece.

As a further improvement of the invention, an outer gear ring with external gear teeth is arranged at the outer edge of the collecting groove along the circumferential direction, and an inner gear ring capable of being meshed with the outer gear ring is fixed on the inner wall of the heald mixing cylinder.

As a further improvement of the invention, the number of the stirring rods is four, the stirring blades on each stirring rod comprise horizontal blades and vertical blades which are arranged in a staggered mode, and a plurality of arc-shaped blades which are concave downwards are arranged at the bottom of each stirring rod.

As a further improvement of the invention, a plurality of static blades are arranged on the outer circumference of the internal thread cylinder.

As a further improvement of the invention, the start-stop switch comprises a rotating plate and a detection plate, the rotating plate penetrates through the comprehensive mixing pipe, the middle part of the rotating plate can be vertically and rotatably hinged on the comprehensive mixing pipe, the rotating plate is connected with the comprehensive mixing pipe through a spring outside the comprehensive mixing pipe, the detection plate is arranged on the outer wall of the comprehensive mixing pipe and is positioned at the upper part of the rotating plate, the bottom of the detection plate is provided with a proximity sensor capable of detecting the approach of the rotating plate, and the proximity sensor is in signal connection with the spraying device and the mixing mechanism.

As a further improvement of the invention, the spraying device comprises a plurality of spray heads, a liquid pump and a medicine box, wherein the spray heads are positioned below the rotating plate and are uniformly distributed in the circumferential direction of the comprehensive mixing pipe, and the spray heads are connected with the medicine box through the liquid pump together.

The invention has the following beneficial effects:

1. through setting up the confluence pipe and synthesizing the mixing pipe between shale shaker and sedimentation tank, and set up sprinkler and mixing mechanism in synthesizing the mixing pipe, thus when carrying mud to the sedimentation tank, can spray to mud and add the medicament, greatly improve the convenience that the medicament adds, improve the mixing efficiency, in addition, the medicament sprays and adds in the whole course that the source of the mud flows, make the total area of spraying on the mud very big, namely equal to each small part mud all has certain medicament to spray, make the medicament relatively even wrap up and hold in the mud, in addition because after spraying, mud flows downwards, the flow characteristic of mud, mud and medicament that also make are abundant mixed, and through further setting up mixing mechanism, also make mud and medicament further mix evenly under mixing mechanism's mixing, compare with directly adding the agitating unit in the sedimentation tank at present, reduced the equipment volume, the equipment consumptive material has been practiced thrift, and mix no dead angle, the mixed effect has been improved, in a word, cooperation through above-mentioned each mechanism, make the mixed effect of mud and medicament promote greatly, and because accomplish to the sedimentation tank in-process at mud, production efficiency has also been improved greatly, the uneven problem of present mud and medicament mixture has been solved, open the stop switch through setting up, when mud passes through, mixing mechanism and sprinkler automatic start work, when not having mud, mixing mechanism and sprinkler self-closing again, the degree of automation of equipment has been improved greatly, and the manual work has been practiced thrift.

2. The blending mechanism is arranged into the dispersion body and the collecting tank, and the stirring rod with the stirring blades and the driving mechanism are arranged at the bottom of the dispersion body, so that the blending mechanism has the following advantages and can disperse the dispersion body; can make mud when falling from converging the pipe, with the mud that flows along conical dispersion, avoid mud downflow's in-process, concentrate into one strand, when leading to spraying, can only spray the problem of the circumference surface of one strand mud, thereby the area greatly increased that sprays of mud after the dispersion, improve the mixing effect, when mud strikes the dispersion in addition, can change the flow direction of each part of mud, change the relative quiescent state when mud and medicament operation, promote mud and medicament to adhere to, promote the reaction mixture of mud and medicament.

By arranging the driving mechanism as a vertical rotating shaft and a driving part, the vertical rotating shaft is coaxially connected with the external thread shaft, the external part of the external thread shaft is sleeved with the double-thread sleeve, the external side of the double-thread sleeve is sleeved with the internal thread sleeve, the upper end of the double-thread sleeve is connected with the dispersion body through the connecting shaft, and a large external gear and a small external gear which are meshed with each other are arranged between the connecting shaft and the stirring rod, during work, when the vertical rotating shaft rotates clockwise, the external thread shaft can be synchronously driven to synchronously rotate clockwise, and the rotation of the external thread shaft can drive the double-thread sleeve to reversely rotate anticlockwise while moving upwards (downwards), namely anticlockwise spirally upwards (downwards), meanwhile, the connecting shaft, the dispersion body and the stirring rod move upwards (downwards) along with the double-thread sleeve in an anticlockwise spiral manner around the axis of the dispersion body, and when the double-thread sleeve rotates anticlockwise, the stirring rod is driven to rotate clockwise along the axis of the stirring rod by the large outer gear and the small outer gear; when the double-thread sleeve moves upwards (downwards) to a certain distance (without separating from the external thread shaft and the internal thread sleeve), the driving part changes the driving direction and then drives the vertical rotating shaft to rotate reversely, and other parts move along with the vertical rotating shaft in a direction opposite to the previous direction, so that the reciprocating motion is realized; above-mentioned actuating mechanism structure is ingenious, and is compact, and a drive division can coordinate a plurality of parts of cooperation promptly and move along respective orbit, and each part links up the cooperation for to the stirring of mud, go on in each direction, improve the stirring effect to mud greatly, and set up the drive division and drive vertical pivot rotation for horizontal rotating shaft and two bevel gears, a motor drives a plurality of parts motion work, and design benefit is simple, and is practical.

4. Through setting up protective housing, can prevent that mud from entering into the bevel gear inside to avoid causing bevel gear blocking latch, influence the normal operating of bevel gear.

5. Through setting up outer ring gear and interior ring gear in the outward flange department of gathering the groove to can increase the stability of gathering the groove for gathering the groove and provide certain support, avoid gathering the groove and drop or deflect.

6. Through set up horizontal blade, vertical blade and arc blade on the puddler, can improve the stirring effect to mud all directions.

7. Through opening the structure that stops switch setting for rotor plate and pick-up plate to when having mud to carry, the rotor plate moves down at the pressure of mud, is in to combine the partial downwardly rotating in the mixing tube, is in to combine the partial upwardly rotating outside the mixing tube, and promptly and proximity sensor on the pick-up plate can detect the rotor plate and be close to it, thereby signals, control sprinkler and mixing mechanism work.

8. Through be equipped with a plurality of stationary blades on the outer circumference of interior thread section of thick bamboo to when gathering the groove and rotating, stationary blade and gathering the groove and form certain relative rotation relation, thereby stir mud, improve stirring effect.

Drawings

The invention is further described with reference to the accompanying drawings:

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

FIG. 4 is an enlarged view of FIG. 2 at C;

FIG. 5 is a cross-sectional view taken along line D-D of FIG. 2;

FIG. 6 is an enlarged view of FIG. 5 at E;

FIG. 7 is a schematic view of the mating structure of the large external gear and the small external gear;

in the figure: 1. a junction pipe; 2. a comprehensive mixing pipe; 3. a spraying device; 31. a spray head; 32. a liquid pump; 33. a medicine chest; 4. a blending mechanism; 41. a dispersion; 42. a collecting groove; 43. a stirring rod; 44. stirring blades; 441. a horizontal blade; 442. a vertical blade; 443. an arc-shaped blade; 45. a drive mechanism; 450. a connecting member; 451. a vertical rotating shaft; 452. a drive section; 4521. a servo motor; 4522. a horizontal rotating shaft; 4523. a bevel gear; 4524. a connecting plate; 453. an externally threaded shaft; 454. a double threaded sleeve; 455. an internally threaded sleeve; 456. a fixing member; 457. a connecting shaft; 458. an external large gear; 459. a small external gear; 46. a protective housing; 47. an outer ring gear; 48. an inner gear ring; 49. a stationary blade; 5. a start-stop switch; 51. a rotating plate; 52. detecting a plate; 53. a spring; 54. proximity sensing; 6. a sedimentation tank; 7. and (5) vibrating the screen.

Detailed Description

The invention is described in further detail below with reference to figures 1-7.

The embodiment of the invention discloses a sludge treatment system for drilling engineering mud circulation. Referring to fig. 1, a sludge treatment system for drilling engineering mud circulation, including shale shaker 7 and sedimentation tank 6, shale shaker 7 is mud circulation system's equipment, abandonment mud is discharged from shale shaker 7, set gradually an incline setting between the mud export of shale shaker 7 and the sedimentation tank 6 and join the pipe 2 that mixes with a vertical setting, join pipe 1 and combine the pipe 2 and set up on ground or other support steel structure (the drawing is not shown) through the support, sedimentation tank 6 is in and combines under the pipe 2 export, it is equipped with one on the pipe 2 and can spray the sprinkler 3 of medicament to the mud that combines pipe 2 and one can carry out the mixing mechanism 4 that the homogeneous mixing is carried out to mud and medicament, sprinkler 3 and mixing mechanism 4 are jointly through one can be according to whether have mud to fall and open the start-stop switch 5 control that opens or close automatically.

On the whole, through setting up converging pipe 1 and synthesizing the mixing pipe 2 between shale shaker 7 and sedimentation tank 6, and set up sprinkler 3 and mixing mechanism 4 in synthesizing the mixing pipe 2, thus while conveying mud to sedimentation tank 6, can spray and add medicament to mud, greatly improve the convenience that the medicament adds, raise the mixing efficiency, in addition, the medicament sprays and adds in the whole course that the source of the mud flows, make the total spray area on the mud very big, namely equal to each small part mud has certain medicament to spray, make medicament relatively even wrap up and hold in the mud, because spray the back again, mud flows downwards, the flow characteristic of mud, mud and medicament abundant mixing also make, and through further setting up mixing mechanism 4, also make mud and medicament further mix under mixing of mixing mechanism 4 and mixing well further, compare with at present direct additional installation agitating unit in sedimentation tank 6, the equipment volume has been reduced, the equipment consumptive material has been practiced thrift, and mix no dead angle, the mixed effect has been improved, in a word, cooperation through above-mentioned each mechanism, make the mixed effect of mud and medicament promote greatly, and because accomplish to 6 in-process of carrying of sedimentation tank at mud, the production efficiency has also been improved greatly, the uneven problem of present mud and medicament mixture has been solved, open and stop switch 5 through setting up, when mud passes through, mixing mechanism 4 and 3 automatic start works of sprinkler, when not having mud, mixing mechanism 4 and sprinkler 3 self-closing again, the degree of automation of equipment has been improved greatly, the manual work has been practiced thrift.

As shown in fig. 2 and fig. 4, specifically to this embodiment, the blending mechanism 4 includes a conical dispersion body 41 disposed at the spraying point, a collecting tank 42 having a spherical bottom shape and the same axis as the dispersion body 41 is disposed below the dispersion body 41, the collecting tank 42 is downward concave, a plurality of circular holes are opened on the collecting tank 42, the bottom of the dispersion body 41 is connected with a plurality of stirring rods 43 with stirring blades 44 in a rotating manner along the circumferential direction, and the dispersion body 41, the collecting tank 42 and the stirring rods 43 are connected with a driving mechanism 45 disposed on the mixing drum; in the present embodiment, as shown in fig. 5 and 6, four stirring rods 43 are provided, each stirring blade 44 on each stirring rod 43 includes horizontal blades 441 and vertical blades 442 arranged alternately, and the bottom of the stirring rod 43 is provided with a plurality of arc-shaped downward-concave blades 443, where the horizontal blades 441 refer to blades whose plate surfaces face upward and downward, i.e. arranged horizontally, and can stir the sludge in the up-down direction, the vertical blades 442 refer to blades whose plate surfaces are vertical, i.e. perpendicular to the horizontal plane, and can stir the sludge in the circular axis direction when the stirring rod 43 rotates, and the horizontal blades 441 and the vertical blades 442 are arranged alternately, as shown in fig. 6, in the mirror image direction of the stirring rod 43, the vertical blades 442 and the horizontal blades 441 are staggered in the circumferential direction of the stirring rod 43, and other staggered manners can be adopted, of course, by providing the horizontal blades 441 on the stirring rod 43, The vertical blade 442 and the arc-shaped blade 443 can improve the stirring effect on the sludge in all directions.

As shown in fig. 2 and 4, the driving mechanism 45 specifically includes a servo motor 4521, a horizontal rotating shaft 4522, two bevel gears 4523 engaged with each other, a vertical rotating shaft 451, an external threaded shaft 453, a double threaded sleeve 454 and an internal threaded sleeve, wherein the vertical rotating shaft 451 is fixed to the collecting groove 42, and the top end thereof passes through the collecting groove 42 and is coaxially connected to the external threaded shaft 453, one of the bevel gears 4523 is sleeved at the bottom end of the vertical rotating shaft 451 and engaged with the other bevel gear 4523 sleeved at one end of the horizontal rotating shaft 4522, the other end of the horizontal rotating shaft 4522 is connected with the servo motor 4521 fixed on the outer wall of the heald mixing cylinder, a closed protective housing 46 may be provided outside the two bevel gears 4523, the protective housing 46 is connected with the connecting member 450, can prevent sludge from entering the interior of the bevel gear 4523 to prevent the bevel gear 4523 from blocking the teeth and affecting the normal operation of the bevel gear 4523; the double-threaded sleeve 454 is sleeved on the external threaded shaft 453 in a threaded fit manner, the upper end of the double-threaded sleeve is connected with the dispersion body 41 through the connecting shaft 457, the external side of the double-threaded sleeve 454 is sleeved with an internal threaded sleeve 455 in a threaded fit manner, the internal threaded sleeve is fixed on the fully-mixing cylinder through a fixing piece 456, and when the fixing piece 456 is arranged, attention should be paid to avoid interference with the stirring rod 43 and not influence the rotation of the stirring rod 43, that is, the stirring rod 43 cannot be blocked from rotating around the axis of the double-threaded sleeve 454; the middle part of the horizontal rotating shaft 4522 is connected with the mixing drum or the connecting piece 450 through a connecting plate 4524 which is rotatably connected with the horizontal rotating shaft 4522, as shown in fig. 7, a large external gear 458 is sleeved and fixed on the connecting shaft 457, and each stirring rod 43 is engaged and connected with the large external gear 458 through a small external gear 459 which is sleeved on the stirring rod. The double-threaded sleeve 454 is a cylinder, the inner wall of the double-threaded sleeve is provided with internal threads and is in threaded fit with the external threaded shaft 453, the outer wall of the double-threaded sleeve is provided with external threads and is in threaded fit with the internal threaded sleeve 455, and the screwing-in direction and the thread pitch of the internal threads and the external threads of the double-threaded sleeve 454 are the same, so that when the internal threaded sleeve is fixed, the internal and external threaded shafts 453 are rotated, the double-threaded sleeve can reversely and spirally advance along the internal threaded sleeve, namely reversely ascend or reversely descend, the length of the internal threaded sleeve 455 and the external threaded shaft 453 is the same, and the internal threaded sleeve 455 is just positioned outside the external threaded shaft 453, in addition, in order to prevent sludge slurry and the like from entering the inside along the gap between the internal threaded sleeve 455 and the bottom of the collecting groove 42 from the outside of the internal threaded sleeve 455, the motion fit between the double-threaded sleeve 454 and the external threaded shaft 453 and the internal threaded sleeve 455 is influenced, and the bottom gap between the collecting groove 42 can be reduced as much as possible, or a rubber gasket sealed in the slit (not shown), the double threaded sleeve 454 is shown in fig. 4 at its lowermost end and then may be spirally moved upward. In the working process, the servo motor 4521 changes the rotation direction at intervals, that is, after rotating forward for a certain time, the servo motor 4521 rotates backward for a certain time, so that the double-thread sleeve 454 moves spirally upward and then spirally downward, and accordingly reciprocates, the time interval of the forward rotation or the backward rotation can be calculated according to the rotation speed of the servo motor 4521, the thread pitch of the double-thread sleeve, and the screwing distance (upward or downward linear movement distance). On the basis of the arrangement, the outer circumference of the internal thread cylinder can be provided with a plurality of static blades 49, so that when the collecting groove 42 rotates, the static blades 49 and the collecting groove 42 form a certain relative rotation relation, and therefore the sludge is stirred, and the stirring effect is improved.

The driving mechanism 45 is used for driving the collecting groove 42 to rotate in the forward direction and the reverse direction at intervals (i.e. after the forward rotation is carried out for a certain time, the dispersion body 41 rotates in the reverse direction again), and the dispersion body 41 moves upwards or downwards (related to the screwing direction of the double-threaded sleeve 454, only the double-threaded sleeve 454 needs to be screwed upwards or downwards on the external threaded shaft 453, for example, when the external threaded shaft 453 rotates forwards, the double-threaded sleeve 454 screws upwards, when the external threaded shaft 453 rotates backwards, the double-threaded sleeve 454 screws downwards, otherwise, when the external threaded shaft 453 rotates forwards, the double-threaded sleeve 454 screws downwards, when the external threaded shaft 453 rotates backwards, the double-threaded sleeve 454 screws upwards), and can drive the stirring rod 43 to rotate around the axis thereof, it should be noted that the above-mentioned forward rotation and reverse rotation only refer to relative rotation relationship.

The arrangement of above-mentioned each part all has certain advantage and design purpose, if: the conical dispersion body 41 can disperse flowing sludge along the conical dispersion body 41 when the sludge falls from the confluence pipe 1, so that the problem that the sludge can only be sprayed to the circumferential outer surface of a strand of sludge when being sprayed due to concentration of the sludge into one strand in the downward flowing process is avoided, the spraying area of the sludge is greatly increased, the mixing effect is improved, in addition, when the sludge impacts on the dispersion body 41, the flowing direction of each part of the sludge can be changed, the relatively static state of the sludge and the medicament during operation is changed, the sludge and the medicament are promoted to be adhered, and the reaction and mixing of the sludge and the medicament are promoted;

Such as collection tank 42; firstly, sludge which flows dispersedly from the dispersion body 41 can be concentrated, the sludge is prevented from flowing downwards along the inner wall of the comprehensive mixing pipe 2, and secondly, a flowing mixing bin can be formed (the sludge which falls downwards in the collecting tank 42 and the sludge which enters from the upper part are preferably kept balanced basically, and the upstream sludge discharging speed can be adjusted during adjustment), namely, the sludge flows downwards into the sedimentation tank 6 after being preliminarily mixed in the collecting tank 42, and part of the sludge in the collecting tank 42 is mixed under the driving of the stirring blades 44 and the stirring rods 43; the sludge is formed into a transient mixing transition after falling from the dispersion 41 into the collecting tank 42, and then falls into the sedimentation tank 6 through the circular hole.

Here, the driving mechanism 45 has a unique design and can drive the collecting tank 42 to rotate, and drive the dispersion body 41 to rotate in the direction opposite to the rotation direction of the collecting tank 42 and simultaneously drive the dispersion body 41 to move upwards or downwards, namely, to move spirally upwards or downwards in the direction opposite to the rotation direction of the collecting tank 42, so as to drive the stirring rod 43 to rotate around the axis of the stirring rod; that is, the stirring rod 43 can revolve around the axis of the dispersion body 41, and at the same time, can move upwards or downwards (spirally advance) along with the dispersion body 41, and at the same time, the stirring rod 43 rotates around its own axis, and the collecting tank 42 rotates in the opposite direction to the dispersion body 41, so that the relative rotation speed of the stirring rod 43 and the collecting tank 42 can be increased, and the stirring effect is improved, that is, the stirring rod 43 can rotate, revolve (and is opposite to the collecting tank 42) and can move up and down, so that the sludge can be stirred in multiple directions, the comprehensive effect of stirring and mixing is better, the mixing effect of the sludge and the medicament is greatly improved, in addition, the stirring rod 43 can be driven by the double-thread cylinder to move up and down, the sludge is pushed up and down in the up and down direction, the stirring effect is improved, and the dispersion body 41 can be driven to move up and down and rotate (spiral motion), so that the stirring rod can relatively move up and down and rotate relative to the spraying point of the spraying device 3, the sprayed agent can be sprayed more uniformly onto the sludge at various positions of the dispersion 41.

By setting the driving mechanism 45 to be the structure of the vertical rotating shaft 451 and the driving part 452, the vertical rotating shaft 451 is coaxially connected with the external threaded shaft 453, the external part of the external threaded shaft 453 is sleeved with the double-threaded sleeve 454, the external side of the double-threaded sleeve 454 is sleeved with the internal threaded sleeve 455, the upper end of the double-threaded sleeve 454 is connected with the dispersion body 41 through the connecting shaft 457, and the large external gear 458 and the small external gear 459 which are meshed with each other are arranged between the connecting shaft 457 and the stirring rod 43, in operation, when the vertical rotating shaft 451 rotates clockwise, the external threaded shaft 453 can be synchronously driven to synchronously rotate clockwise, and the rotation of the external threaded shaft 453 can drive the double-threaded sleeve 454 to reversely, i.e. rotate counterclockwise, and move upward, meanwhile, when the connecting shaft 457, the dispersion body 41 and the stirring rod 43 rotate counterclockwise along the axis of the dispersion body 41 along with the double-threaded sleeve 454, the stirring rod 43 is driven to rotate clockwise along the axis of the stirring rod 43 by the large external gear 458 and the small external gear 459; when the double-threaded sleeve 454 moves upwards (or downwards) to a certain distance (without separating from the external threaded shaft 453 and the internal threaded sleeve 455), the driving part 452 drives the vertical rotating shaft 451 to rotate reversely, and other parts move reversely to the previous direction, so as to reciprocate cyclically; above-mentioned actuating mechanism 45 structure is ingenious, and is compact, and a drive division 452 can coordinate a plurality of parts of cooperation promptly and move along respective orbit, and each part links up the cooperation for to the stirring of mud, go on each direction, improve the stirring effect to mud greatly, and set up drive division 452 and drive vertical pivot 451 rotation for horizontal rotating shaft 4522 and two bevel gears 4523, and a motor drives a plurality of part motion work, and design benefit is simple, and is practical.

In addition, an outer gear ring 47 with external gear teeth is arranged at the outer edge of the collecting groove 42 along the circumferential direction, and an inner gear ring 48 capable of being meshed with the outer gear ring 47 is fixed on the inner wall of the comprehensive mixing barrel. Thereby providing some support for the collection tank 42 and increasing the stability of the collection tank 42 to prevent the collection tank 42 from falling or deflecting.

As shown in fig. 3, in this embodiment, the specific structure of the start-stop switch 5 with another structure is as follows: the comprehensive mixing device comprises a rotating plate 51 and a detection plate 52, wherein the rotating plate 51 penetrates through the comprehensive mixing pipe 2, the middle part of the rotating plate is hinged to the comprehensive mixing pipe 2 in a vertical rotating mode, the rotating plate 51 is connected with the comprehensive mixing pipe 2 through a spring 53 outside the comprehensive mixing pipe 2, the rotating plate 51 is in a horizontal state in a balanced state without external force, the detection plate 52 is arranged on the outer wall of the comprehensive mixing pipe 2 and is positioned on the upper part of the rotating plate 51, a proximity sensor 54 capable of detecting the approach of the rotating plate 51 is arranged at the bottom of the detection plate 52, the proximity sensor 54 is in signal connection with the spraying device 3 and the mixing mechanism 4, namely when the proximity sensor 54 detects that sludge falls, signals are sent to the spraying device 3 and the mixing mechanism 4, the spraying device 3 and the mixing mechanism 4 are controlled to start to work, and when no sludge falls, the spraying device 3 and the mixing mechanism 4 are controlled to stop.

Through setting up start-stop switch 5 to the structure of rotor plate 51 and pick-up plate 52 to when having mud to carry, rotor plate 51 is under the pressure of mud and moves, and the part that is in combining the pipe 2 is rotatory downwards, is in combining the part of the pipe 2 outside and upwards rotates, and the sensor 54 ware that is close to on the pick-up plate 52 can detect rotor plate 51 and be close to it, thereby signals, control sprinkler 3 and mixing mechanism 4 work.

The spraying device 3 is the prior art, and includes a plurality of shower nozzles 31, liquid pump 32 and medical kit 33, and when choosing, can select ordinary spraying device 3, and during the installation, a plurality of shower nozzles 31 are in the below of rotor plate 51 to the setting of equipartition in the circumferencial direction of synthesizing the hybrid tube 2, a plurality of shower nozzles 31 are connected with medical kit 33 through liquid pump 32 jointly.

In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g., as being fixed or detachable or integral; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention, since other embodiments will become apparent to those skilled in the art upon consideration of the following detailed description of the invention.

Claims (10)

1. A sludge treatment system for drilling engineering mud circulation, includes shale shaker and sedimentation tank, its characterized in that: set gradually converging of an slope setting between the mud export of shale shaker and the sedimentation tank and manage with the mixing of synthesizing of a vertical setting, combine to be equipped with one on the mixing pipe and can spray the sprinkler of medicament and one can carry out the mixing mechanism of homogeneous mixing to mud and medicament to the mud of synthesizing the mixing pipe, sprinkler and mixing mechanism open the on-off control that stops that whether can fall and open or close automatically according to whether have mud jointly through one.

2. A sludge treatment system for drilling engineering mud circulation according to claim 1, characterized in that: mixing mechanism include a setting and at the conical dispersion of the point of spraying department, the below of dispersion is equipped with a ball end shape and with the same collection groove of dispersion axis, it has a plurality of round holes to open on the collection groove, the bottom of dispersion is along a plurality of puddlers that have the stirring leaf of its circumferencial direction pivoted connection, dispersion, collection groove and puddler connect a drive mechanism who sets up on the drum of mixing jointly, drive mechanism is used for alternate drive collection groove forward rotation and antiport, drive dispersion to the direction rotation opposite with collection groove direction of rotation, drive dispersion upwards or move down, the drive puddler rotates around its self axis.

3. A sludge handling system for circulation of drilling engineering mud as claimed in claim 2 wherein: the actuating mechanism include with set up the connecting piece rotation on the mixing drum vertical rotating shaft of being connected and drive vertical rotating shaft pivoted drive division, vertical rotating shaft with gather the groove and fix, and its top is passed and is gathered groove and external screw thread axle coaxial coupling, double thread sleeve screw-thread fit's cover is established on the external screw thread axle, and the upper end is connected with the dispersion through the connecting axle, double thread telescopic outside cover is equipped with one rather than screw-thread fit's internal thread sleeve, the internal thread sleeve passes through the mounting to be fixed on the mixing drum, the cover is established a fixed big external gear on the connecting axle, and all establish little external gear and big external gear meshing on it through a cover on every puddler and be connected.

4. A sludge treatment system for drilling engineering mud circulation according to claim 3, characterized in that: the driving part comprises a servo motor, a horizontal rotating shaft and two bevel gears which are meshed with each other, one bevel gear is sleeved and fixed at the bottom end of the vertical rotating shaft and meshed with the bevel gear fixed at one end of the horizontal rotating shaft, the other end of the horizontal rotating shaft is connected with the servo motor fixed on the outer wall of the comprehensive mixing barrel, and the middle part of the horizontal rotating shaft is connected with the comprehensive mixing barrel or a connecting piece through a connecting plate which is rotatably connected with the horizontal rotating shaft.

5. A sludge handling system for circulation of drilling engineering mud according to claim 4 wherein: the outer side of the bevel gear is provided with a protective shell, and the protective shell is connected with the connecting piece.

6. A sludge handling system for circulation of drilling engineering mud according to claim 5 wherein: the outer edge of the gathering groove is provided with an outer gear ring with outer gear teeth along the circumferential direction, and the inner wall of the heald mixing cylinder is fixed with an inner gear ring which can be meshed with the outer gear ring.

7. A sludge treatment system for drilling engineering mud circulation according to claim 2, characterized in that: the puddler have four, the stirring leaf on every puddler all includes crisscross horizontal blade and the vertical blade who sets up to the puddler bottom is equipped with a plurality of arc blades that downwards recess.

8. A sludge treatment system for drilling engineering mud circulation according to claim 3, characterized in that: and a plurality of static blades are arranged on the outer circumference of the internal thread cylinder.

9. A sludge treatment system for drilling engineering mud circulation according to any of the claims 1-8, characterized in that: the start-stop switch comprises a rotating plate and a detection plate, the rotating plate penetrates through the comprehensive mixing pipe, the middle part of the rotating plate can rotate up and down and is hinged to the comprehensive mixing pipe, the rotating plate is connected with the comprehensive mixing pipe through a spring outside the comprehensive mixing pipe, the detection plate is arranged on the outer wall of the comprehensive mixing pipe and is located on the upper part of the rotating plate, a proximity sensor capable of detecting that the rotating plate is close to is arranged at the bottom of the detection plate, and the proximity sensor is in signal connection with a spraying device and a mixing mechanism.

10. A sludge treatment system for drilling work mud circulation in accordance with any one of claims 1 to 8 wherein: the spraying device comprises a plurality of spray heads, a liquid pump and a medicine box, wherein the spray heads are positioned below the rotating plate and uniformly distributed on the circumferential direction of the comprehensive mixing pipe, and the spray heads are connected with the medicine box through the liquid pump.

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