CN113915618A - Method and system for cooperatively treating oil-based drilling cuttings by using cement pit - Google Patents
Method and system for cooperatively treating oil-based drilling cuttings by using cement pit Download PDFInfo
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- CN113915618A CN113915618A CN202111281099.3A CN202111281099A CN113915618A CN 113915618 A CN113915618 A CN 113915618A CN 202111281099 A CN202111281099 A CN 202111281099A CN 113915618 A CN113915618 A CN 113915618A
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- 239000004568 cement Substances 0.000 title claims abstract description 42
- 238000005520 cutting process Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000005553 drilling Methods 0.000 title claims abstract description 13
- 239000002699 waste material Substances 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims description 93
- 239000007790 solid phase Substances 0.000 claims description 43
- 238000007789 sealing Methods 0.000 claims description 32
- 238000003756 stirring Methods 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 7
- 239000002912 waste gas Substances 0.000 claims description 5
- 238000000354 decomposition reaction Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 2
- 239000002910 solid waste Substances 0.000 description 18
- 239000007787 solid Substances 0.000 description 14
- 239000011435 rock Substances 0.000 description 12
- 238000012544 monitoring process Methods 0.000 description 5
- 230000032258 transport Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the technical field of waste treatment, in particular to a method and a system for cooperatively treating oil-based drilling cuttings by a cement pit.
Description
Technical Field
The invention relates to the technical field of waste treatment, in particular to a method and a system for cooperatively treating oil-based drilling cuttings by a cement pit.
Background
With the rapid development of the Chinese social economy, a large amount of solid wastes generated in the life and production process cannot be effectively and timely disposed, so that the serious environmental pollution and economic loss are caused, and the physical health of residents is harmed. In recent years, China encourages a novel dry cement kiln to cooperatively treat solid wastes, and the concrete links include stirring, separation, compatibility, conveying and kiln burning, wherein a metering bin is an important device for proportioning solid rock debris in the compatibility link;
the existing metering bin consists of a shell, a metering scale and a valve, wherein the valve opens a discharge port of the shell, solid rock debris flows out of the discharge port, a metering assembly monitors the weight of the solid rock debris in the shell in the process of flowing out of the solid rock debris until the flowing out of the solid rock debris reaches a preset value, and the valve is closed;
however, the solid rock debris flows out from the discharge hole at an excessively high speed, so that the monitoring effect of the metering assembly on the weight of the solid rock debris in the shell is influenced, and the solid rock debris is excessively discharged from the discharge hole.
Disclosure of Invention
The invention aims to provide a method and a system for cooperatively treating oil-based drill cuttings by a cement pit, and aims to solve the problem that the monitoring effect of a metering assembly on the weight of solid cuttings in a shell is influenced due to the fact that the solid cuttings flow out of a discharge hole at an excessively high speed.
In order to achieve the above object, in a first aspect, the present invention provides a system for cooperatively disposing oil-based drill cuttings in a cement silo, comprising a stirring mechanism, a separating mechanism, a mixing mechanism, a conveying mechanism, a decomposing furnace and a cement kiln, wherein the mixing mechanism comprises a metering bin and a wet bin, the separating mechanism is fixedly connected with the stirring mechanism and is located at one side of the stirring mechanism, the metering bin is fixedly connected with the separating mechanism and is located at one side far from the stirring mechanism, the wet bin is fixedly connected with the separating mechanism and is located at one side close to the metering bin, the conveying mechanism is fixedly connected with the metering bin and is located at one side far from the separating mechanism, the decomposing furnace is fixedly connected with the conveying mechanism and is located at one side far from the metering bin, and the cement kiln is fixedly connected with the conveying mechanism, the wet material bin is positioned at one side close to the decomposing furnace and is fixedly connected with the cement kiln;
the measuring bin comprises a shell, four mounting legs, a measuring component, a collecting hopper, two rotating shafts, two mounting rings, two baffles, two expansion plates, two fixed plates, two air cylinders, two piston rods and two balls, wherein the four mounting legs are respectively fixedly connected with the shell and are positioned on one side of the shell, the measuring component is fixedly connected with the shell and is positioned on the inner side wall of the shell, the shell is provided with a feeding hole and a discharging hole, a separating mechanism is fixedly connected with the shell and is positioned at the feeding hole, the collecting hopper is fixedly connected with the shell and is positioned at the discharging hole, a conveying mechanism is fixedly connected with the collecting hopper and is positioned on one side far away from the shell, the two rotating shafts are respectively fixedly connected with the collecting hopper and are positioned on the inner side wall of the collecting hopper, and the two mounting rings are respectively rotatably connected with the two rotating shafts, all be located the pivot lateral wall, two the baffle respectively with two mount ring fixed connection all is located in the aggregate bin, two the expansion plate respectively with two mount ring fixed connection all is located the mount ring lateral wall, two the fixed plate respectively with two expansion plate fixed connection all is located keep away from one side of mount ring, two the cylinder respectively with shell fixed connection all is located and is close to one side of aggregate bin, two the piston rod respectively with two cylinder output fixed connection, two one side of ball respectively with two piston rod fixed connection, two the opposite side of ball respectively with two the fixed plate rotates to be connected, all is located the piston rod with between the fixed plate.
The cylinder drive the piston rod drives the fixed plate is to being close to the shell direction removes, makes the fixed plate with the expansion plate drive of mutually supporting on the collar the baffle is in slope in the collecting hopper, will the discharge end of collecting hopper exposes, makes solid phase waste in the shell follow the collecting hopper flows extremely conveying mechanism, the fixed plate is close to the shell more, the discharge end of collecting hopper shows more, and solid phase waste follows the shell the speed that the discharge gate flows is faster.
The metering bin further comprises a plurality of buffer springs, and the buffer springs are fixedly connected with the expansion plate respectively and are located in the expansion plate.
The buffer spring can absorb the vibration generated when the solid waste falls onto the baffle.
The metering bin further comprises two sealing gaskets, wherein the two sealing gaskets are fixedly connected with the baffle and are located on the outer side wall of the baffle.
The sealing gasket can increase the sealing performance of the baffle plate when the discharge end of the aggregate bin is sealed.
Wherein, the measurement subassembly includes urceolus, weigher, inner tube and fly leaf, the urceolus with shell fixed connection, and be located the shell inside wall, the weigher with urceolus fixed connection, and be located inside the urceolus, the inner tube with urceolus sliding connection, and run through the urceolus, the fly leaf with inner tube fixed connection, and be located keep away from one side of urceolus, the fly leaf with shell sliding connection.
The movable plate on the inner barrel is used for receiving solid-phase waste, and the weighing scale is pressed to detect the weight of the solid-phase waste on the movable plate due to the fact that the weight of the solid-phase waste on the movable plate slides and presses the weighing scale on the outer barrel.
The metering bin further comprises a first sealing ring, and the first sealing ring is fixedly connected with the shell and located at the feed inlet.
The first sealing ring is filled in the gap between the separating mechanism and the feed inlet connecting end of the shell, so that solid-phase waste is prevented from overflowing from the gap.
The metering bin further comprises a second sealing ring, and the second sealing ring is fixedly connected with the aggregate bin and is positioned close to one side of the conveying mechanism.
The second sealing ring between the material collecting hopper and the conveying mechanism fills a gap between the material collecting hopper and the connecting end of the conveying mechanism, and the sealing performance of the conveying mechanism is improved.
In a second aspect, the invention provides a method for cement pit cooperative disposal of oil-based drill cuttings, comprising the following steps:
the stirring mechanism is used for stirring the oil-based drilling cuttings until the oil-based drilling cuttings are uniformly mixed to obtain a mixture;
the separation mechanism separates the mixture into solid-phase waste and semi-solid-phase waste;
the metering bin is used for metering and proportioning the solid-phase waste, and the wet bin is used for metering and proportioning the semi-solid-phase waste and then conveying the semi-solid-phase waste into the cement kiln for incineration;
the conveying mechanism conveys the solid-phase waste proportioned by the metering bin to the decomposing furnace for decomposition, and conveys the waste gas generated in the conveying process to the cement kiln for incineration.
According to the system for cooperatively treating the oil-based drilling cuttings by the cement pit, the piston rod is driven by the air cylinder to drive the fixed plate to move towards the direction close to the shell, the fixed plate and the expansion plate are matched with each other to drive the baffle plate on the mounting ring to incline in the collecting hopper, the discharge end of the collecting hopper is exposed, so that the solid-phase waste in the shell flows out from the collecting hopper to the conveying mechanism, the more the fixed plate is close to the shell, the more the discharge end of the collecting hopper is exposed, the higher the speed of the solid-phase waste flowing out from the discharge port of the shell is, and the problem that the monitoring effect of the metering assembly on the weight of the solid-phase debris in the shell is influenced due to the fact that the solid-phase debris flows out from the discharge port is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a cement pit co-disposal oil-based drill cuttings system provided by the present invention;
FIG. 2 is a schematic structural diagram of a metering bin;
FIG. 3 is a front view of a metering bin;
FIG. 4 is a cross-sectional view taken along plane A-A of FIG. 3;
FIG. 5 is a bottom view of the metering bin;
FIG. 6 is a flow chart of a method for disposing oil-based drill cuttings in cooperation with a cement pit.
1-stirring mechanism, 2-separating mechanism, 3-compatibility mechanism, 4-conveying mechanism, 5-decomposing furnace, 6-cement kiln, 7-metering bin, 8-wet bin, 9-shell, 10-mounting leg, 11-metering component, 12-feeding hole, 13-discharging hole, 14-aggregate bin, 15-rotating shaft and 16-mounting ring, 17-baffle, 18-expansion plate, 19-fixed plate, 20-cylinder, 21-piston rod, 22-ball, 23-buffer spring, 24-sealing gasket, 25-outer cylinder, 26-scale, 27-inner cylinder, 28-movable plate, 29-first sealing ring, 30-second sealing ring, 31-guide plate and 32-stabilizing plate.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, in a first aspect, the invention provides a cement silo cooperative processing oil-based drilling cutting system, which includes a stirring mechanism 1, a separating mechanism 2, a compatibility mechanism 3, a conveying mechanism 4, a decomposing furnace 5 and a cement kiln 6, wherein the compatibility mechanism 3 includes a metering bin 7 and a wet bin 8, the separating mechanism 2 is fixedly connected with the stirring mechanism 1 and is located at one side of the stirring mechanism 1, the metering bin 7 is fixedly connected with the separating mechanism 2 and is located at one side far from the stirring mechanism 1, the wet bin 8 is fixedly connected with the separating mechanism 2 and is located at one side close to the metering bin 7, the conveying mechanism 4 is fixedly connected with the metering bin 7 and is located at one side far from the separating mechanism 2, the decomposing furnace 5 is fixedly connected with the conveying mechanism 4 and is located at one side far from the metering bin 7, the cement kiln 6 is fixedly connected with the conveying mechanism 4 and is positioned at one side close to the decomposing furnace 5, and the wet stock bin 8 is fixedly connected with the cement kiln 6;
the metering bin 7 comprises a shell 9, four mounting legs 10, a metering component 11, a collecting hopper 14, two rotating shafts 15, two mounting rings 16, two baffle plates 17, two expansion plates 18, two fixing plates 19, two cylinders 20, two piston rods 21 and two balls 22, wherein the four mounting legs 10 are fixedly connected with the shell 9 respectively and are positioned on one side of the shell 9, the metering component 11 is fixedly connected with the shell 9 and is positioned on the inner side wall of the shell 9, the shell 9 is provided with a feed inlet 12 and a discharge outlet 13, the separating mechanism 2 is fixedly connected with the shell 9 and is positioned at the feed inlet 12, the collecting hopper 14 is fixedly connected with the shell 9 and is positioned at the discharge outlet 13, the conveying mechanism 4 is fixedly connected with the collecting hopper 14 and is positioned on one side far away from the shell 9, the two rotating shafts 15 are fixedly connected with the collecting hopper 14 respectively, the two mounting rings 16 are respectively and rotatably connected with the two rotating shafts 15 and are respectively positioned on the outer side wall of the rotating shaft 15, the two baffle plates 17 are respectively and fixedly connected with the two mounting rings 16 and are respectively positioned in the collecting hopper 14, the two expansion plates 18 are respectively and fixedly connected with the two mounting rings 16 and are respectively positioned on the outer side wall of the mounting ring 16, the two fixing plates 19 are respectively and fixedly connected with the two expansion plates 18 and are respectively positioned on one side far away from the mounting rings 16, the two cylinders 20 are respectively and fixedly connected with the shell 9 and are respectively positioned on one side close to the collecting hopper 14, the two piston rods 21 are respectively and fixedly connected with the output ends of the two cylinders 20, one sides of the two balls 22 are respectively and fixedly connected with the two piston rods 21, and the other sides of the two balls 22 are respectively and rotatably connected with the two fixing plates 19, are located between the piston rod 21 and the fixed plate 19.
In this embodiment, the stirring mechanism 1 stirs the oil-based drill cuttings to uniform mixing to obtain a mixture, the separation mechanism 2 separates the mixture into solid-phase waste and semi-solid-phase waste, the metering bin 7 of the compatibility mechanism 3 measures and matches the solid-phase waste, the wet bin 8 measures and matches the semi-solid-phase waste and then transports the semi-solid-phase waste to the cement kiln 6 for incineration, the transport mechanism 4 transports the solid-phase waste matched with the metering bin 7 to the decomposing furnace 5 for decomposition, and transports the waste gas generated in the transport process to the cement kiln 6 for incineration, when the metering bin 7 matches the solid-phase waste, the housing 9 of the metering bin 7 is used for storing the solid-phase waste separated by the separation mechanism 2, the cylinder 20 on the housing 9 drives the piston rod 21 to drive the fixing plate 19 to move towards the direction close to the housing 9, the fixed plate 19 and the retractable plate 18 cooperate with each other to drive the baffle 17 on the mounting ring 16 to tilt in the collecting hopper 14, so as to expose the discharging end of the collecting hopper 14, so that the solid waste in the housing 9 flows out from the collecting hopper 14 to the conveying mechanism 4 through the discharging port 13, the closer the fixed plate 19 is to the housing 9, the more the discharging end of the collecting hopper 14 is exposed, the faster the solid waste flows out from the discharging port 13 of the housing 9, the size of the discharging end of the collecting hopper 14 can be adjusted by the retractable condition of the piston rod 21 driven by the cylinder 20 to adapt to the monitoring speed of the metering assembly 11, and when the metering assembly 11 monitors that the solid waste flowing out reaches a preset value, the cylinder 20 drives the piston rod 21 to drive the fixed plate 19 to move away from the housing 9, the baffle 17 is made to seal the discharge end of the aggregate bin 14, the expansion plate 18 is used for adjusting the piston rod 21 to drive the mounting ring 16 to rotate around the rotating shaft 15, the distance generated in the rotating process is poor, the shell 9 is placed and fixed through the mounting legs 10, and the problem that the solid rock debris flows out from the discharge hole 13 at an excessively high speed to influence the monitoring effect of the metering component 11 on the weight of the solid rock debris in the shell 9 is solved.
Further, the metering bin 7 further comprises a plurality of buffer springs 23, and the plurality of buffer springs 23 are respectively and fixedly connected with the expansion plate 18 and are all positioned in the expansion plate 18; the metering bin 7 further comprises two sealing gaskets 24, and the two sealing gaskets 24 are respectively fixedly connected with the two baffle plates 17 and are positioned on the outer side walls of the baffle plates 17; the metering assembly 11 comprises an outer cylinder 25, a metering scale 26, an inner cylinder 27 and a movable plate 28, the outer cylinder 25 is fixedly connected with the outer shell 9 and is positioned on the inner side wall of the outer shell 9, the metering scale 26 is fixedly connected with the outer cylinder 25 and is positioned inside the outer cylinder 25, the inner cylinder 27 is slidably connected with the outer cylinder 25 and penetrates through the outer cylinder 25, the movable plate 28 is fixedly connected with the inner cylinder 27 and is positioned on one side far away from the outer cylinder 25, and the movable plate 28 is slidably connected with the outer shell 9; the metering bin 7 further comprises a first sealing ring 29, and the first sealing ring 29 is fixedly connected with the outer shell 9 and is positioned at the feed port 12; the metering bin 7 further comprises a second sealing ring 30, and the second sealing ring 30 is fixedly connected with the aggregate bin 14 and is positioned at one side close to the conveying mechanism 4.
In the present embodiment, the buffer spring 23 can absorb the vibration generated when the solid waste falls onto the baffle 17, the sealing gasket 24 can increase the sealing performance of the baffle 17 when sealing the discharge end of the collecting hopper 14, the movable plate 28 on the inner cylinder 27 is used for receiving solid-phase waste, and the weigher 26 is pressed by the weight of the solid waste on the movable plate 28 sliding on the outer tub 25, such that the weigher 26 is pressed to detect the weight of the solid waste on the movable plate 28, the first sealing ring 29 fills the gap between the separating mechanism 2 and the inlet 12 of the housing 9, so as to prevent solid waste from overflowing from the gap, the second seal ring 30 between the collection hopper 14 and the conveying mechanism 4 fills a gap at the connecting end of the collection hopper 14 and the conveying mechanism 4, and increases the sealing performance of the conveying mechanism 4.
Further, the metering bin 7 further comprises a guide plate 31, and the guide plate 31 is fixedly connected with the movable plate 28 and is located on the inner side wall of the movable plate 28.
In the present embodiment, the guide plate 31 can guide the solid waste on the movable plate 28 to the discharge port 13, so as to prevent the solid waste from flowing to the gap between the inner cylinder 27 and the outer cylinder 25 along the movable plate 28 and the outer sidewall of the inner cylinder 27, thereby affecting the sliding state of the inner cylinder 27 on the outer cylinder 25.
Further, the metering bin 7 further comprises a stabilizing plate 32, one side of the stabilizing plate 32 is fixedly connected with the guide plate 31, and the other side of the stabilizing plate 32 is slidably connected with the outer cylinder 25 and is located between the guide plate 31 and the outer cylinder 25.
In the present embodiment, the stabilizing plate 32 increases the stability of the guiding plate 31 on the movable plate 28, and follows the sliding of the movable plate 28 on the outer cylinder 25 through the inner cylinder 27, and makes corresponding sliding on the outer side wall of the outer cylinder 25.
Referring to fig. 6, in a second aspect, the present invention provides a method for disposing oil-based drill cuttings in cooperation with a cement pit, comprising:
s101, stirring the oil-based drilling cuttings by a stirring mechanism 1 until the oil-based drilling cuttings are uniformly mixed to obtain a mixture;
rabbling mechanism 1 includes casing, hydraulic pressure agitating unit, balladeur train, hydraulic pressure spiral and first plunger pump, pours the oil base drill chip that the segregation appears in the transportation into in the casing of rabbling mechanism 1, hydraulic pressure agitating unit and the balladeur train in the casing are with oil base drill chip stirring, obtain the mixture, adopt hydraulic pressure spiral to carry the oil base drill chip of stirring to first plunger pump, carry the mixture extremely through first plunger pump separating mechanism 2.
S102, separating the mixture into solid-phase waste and semi-solid-phase waste by a separation mechanism 2;
the separation mechanism 2 comprises a horizontal centrifuge and a screen, can separate large-particle rock debris or impurities and can separate a mixture into solid-phase waste (solid rock debris) with a liquid content of less than 6% and semi-solid-phase waste (semi-solid slurry with excellent fluidity) with a liquid content of more than 60%, wherein the solid-phase waste is conveyed into the metering bin 7, and the semi-solid-phase waste is conveyed into the wet bin 8.
S103, carrying out metering proportioning on the solid-phase waste by the metering bin 7, and conveying the semi-solid-phase waste to the cement kiln 6 for incineration after carrying out metering proportioning on the semi-solid-phase waste by the wet bin 8;
the metering component 11 of the metering bin 7 monitors the weight of the solid waste in the housing 9, the air cylinder 20 drives the piston rod 21 to drive the fixing plate 19 to move towards the direction close to the housing 9, so that the fixing plate 19 and the expansion plate 18 cooperate with each other to drive the baffle 17 on the mounting ring 16 to incline in the collecting hopper 14, and the discharge end of the collecting hopper 14 is exposed, so that the solid waste in the housing 9 flows out from the collecting hopper 14 to the conveying mechanism 4, until the metering component 11 monitors that the flowing solid waste reaches a preset value, the air cylinder 20 drives the piston rod 21 to drive the fixing plate 19 to move towards the direction far away from the housing 9, so that the baffle 17 seals the discharge end of the collecting hopper 14, the wet bin 8 is composed of a box body, a second stirring device and a second plunger pump, the hourly dosage of the semi-solid waste is controlled by adjusting the flow of the second plunger pump, and the semi-solid waste in the second stirring device stirring box increases the flowability of the semi-solid waste.
S104, conveying the solid-phase waste proportioned by the metering bin 7 to a decomposing furnace 5 by the conveying mechanism 4 for decomposition, and conveying the waste gas generated in the conveying process to a cement kiln 6 for incineration.
Conveying mechanism 4 adopts the full-sealed transport, aggregate bin 14 with between conveying mechanism 4 second sealing washer 30 fills aggregate bin 14 with the gap of conveying mechanism 4 link has increased conveying mechanism 4's leakproofness, conveying mechanism 4 with solid phase waste carry to decompose in the dore furnace 5, be provided with negative pressure waste gas suction device in the conveying mechanism 4, carry the abandonment that solid phase waste produced at the transportation process extremely burn in the cement kiln 6.
While the above description discloses only one preferred embodiment of the method and system for the simultaneous disposal of oil-based drill cuttings in a cement pit, it is not intended to limit the scope of the invention, and one skilled in the art will understand that all or a portion of the above description may be implemented and equivalents thereof may be made without departing from the scope of the invention as defined in the appended claims.
Claims (8)
1. The system for cooperatively treating the oil-based drilling cuttings by the cement silo is characterized by comprising a stirring mechanism (1), a separating mechanism (2), a compatibility mechanism (3), a conveying mechanism (4), a decomposing furnace (5) and a cement kiln (6), wherein the compatibility mechanism (3) comprises a metering bin (7) and a wet bin (8), the separating mechanism (2) is fixedly connected with the stirring mechanism (1) and is positioned on one side of the stirring mechanism (1), the metering bin (7) is fixedly connected with the separating mechanism (2) and is positioned on one side far away from the stirring mechanism (1), the wet bin (8) is fixedly connected with the separating mechanism (2) and is positioned on one side near the metering bin (7), the conveying mechanism (4) is fixedly connected with the metering bin (7) and is positioned on one side far away from the separating mechanism (2), decomposing furnace (5) with conveying mechanism (4) fixed connection to be located and keep away from one side of measurement feed bin (7), cement kiln (6) with conveying mechanism (4) fixed connection, and be located and be close to one side of decomposing furnace (5), wet feed bin (8) with cement kiln (6) fixed connection.
2. The cement pit co-disposal oil-based drill cuttings system of claim 1, wherein: the measuring bin (7) comprises a shell (9), four mounting legs (10), a measuring component (11), a collecting hopper (14), two rotating shafts (15), two mounting rings (16), two baffle plates (17), two expansion plates (18), two fixing plates (19), two air cylinders (20), two piston rods (21) and two balls (22), wherein the four mounting legs (10) are fixedly connected with the shell (9) respectively and are positioned on one side of the shell (9), the measuring component (11) is fixedly connected with the shell (9) and is positioned on the inner side wall of the shell (9), the shell (9) is provided with a feeding hole (12) and a discharging hole (13), the separating mechanism (2) is fixedly connected with the shell (9) and is positioned at the feeding hole (12), the collecting hopper (14) is fixedly connected with the shell (9), and is located the discharge gate (13), conveying mechanism (4) with aggregate bin (14) fixed connection, and be located keep away from one side of shell (9), two pivot (15) respectively with aggregate bin (14) fixed connection, all are located aggregate bin (14) inside wall, two collar (16) respectively with two pivot (15) rotation connection, all are located pivot (15) lateral wall, two baffle (17) respectively with two collar (16) fixed connection, all are located aggregate bin (14), two expansion plate (18) respectively with two collar (16) fixed connection, all are located collar (16) lateral wall, two fixed plate (19) respectively with two expansion plate (18) fixed connection, all are located keep away from one side of collar (16), two cylinder (20) respectively with shell (9) fixed connection all is located and is close to one side of collecting hopper (14), two piston rod (21) respectively with two cylinder (20) output end fixed connection, two one side of ball (22) respectively with two piston rod (21) fixed connection, two the opposite side of ball (22) respectively with two fixed plate (19) rotate and are connected, all are located piston rod (21) with between fixed plate (19).
3. The cement pit co-disposal oil-based drill cuttings system of claim 2,
the metering bin (7) further comprises a plurality of buffer springs (23), and the buffer springs (23) are fixedly connected with the expansion plate (18) respectively and are all located in the expansion plate (18).
4. The cement pit co-disposal oil-based drill cuttings system of claim 3,
the metering bin (7) further comprises two sealing gaskets (24), wherein the sealing gaskets (24) are respectively fixedly connected with the baffle (17) and are positioned on the outer side wall of the baffle (17).
5. The cement pit co-disposal oil-based drill cuttings system of claim 4,
metering components (11) include urceolus (25), weigher (26), inner tube (27) and fly leaf (28), urceolus (25) with shell (9) fixed connection, and be located shell (9) inside wall, weigher (26) with urceolus (25) fixed connection, and be located urceolus (25) are inside, inner tube (27) with urceolus (25) sliding connection, and run through urceolus (25), fly leaf (28) with inner tube (27) fixed connection, and be located keep away from one side of urceolus (25), fly leaf (28) with shell (9) sliding connection.
6. The cement pit co-disposal oil-based drill cuttings system of claim 5,
the metering bin (7) further comprises a first sealing ring (29), and the first sealing ring (29) is fixedly connected with the shell (9) and is positioned at the feeding hole (12).
7. The cement pit co-disposal oil-based drill cuttings system of claim 6,
the metering bin (7) further comprises a second sealing ring (30), and the second sealing ring (30) is fixedly connected with the aggregate bin (14) and is positioned at one side close to the conveying mechanism (4).
8. A method for jointly disposing oil-based drill cuttings by using a cement pit, which is applied to the system for jointly disposing oil-based drill cuttings by using the cement pit as claimed in any one of claims 1 to 7, and is characterized by comprising the following steps:
the stirring mechanism (1) is used for stirring the oil-based drilling cuttings until the oil-based drilling cuttings are uniformly mixed to obtain a mixture;
the separation mechanism (2) separates the mixture into solid-phase waste and semi-solid-phase waste;
the metering bin (7) is used for metering and proportioning the solid-phase waste, and the wet bin (8) is used for metering and proportioning the semi-solid-phase waste and then conveying the semi-solid-phase waste into the cement kiln (6) for incineration;
the conveying mechanism (4) conveys the solid-phase waste proportioned by the metering bin (7) to the decomposing furnace (5) for decomposition, and conveys the waste gas generated in the conveying process to the cement kiln (6) for incineration.
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