CN113577900A - Oil exploitation drilling cuttings drying machine and drilling cuttings drying method thereof - Google Patents
Oil exploitation drilling cuttings drying machine and drilling cuttings drying method thereof Download PDFInfo
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- CN113577900A CN113577900A CN202110876200.3A CN202110876200A CN113577900A CN 113577900 A CN113577900 A CN 113577900A CN 202110876200 A CN202110876200 A CN 202110876200A CN 113577900 A CN113577900 A CN 113577900A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 63
- 238000005553 drilling Methods 0.000 title claims abstract description 53
- 238000001035 drying Methods 0.000 title claims abstract description 27
- 238000001914 filtration Methods 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 230000000694 effects Effects 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 77
- 238000000926 separation method Methods 0.000 claims description 39
- 239000002002 slurry Substances 0.000 claims description 27
- 239000010802 sludge Substances 0.000 claims description 22
- 239000002699 waste material Substances 0.000 claims description 20
- 239000012530 fluid Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 14
- 239000002893 slag Substances 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 6
- 238000005411 Van der Waals force Methods 0.000 claims description 3
- 239000003129 oil well Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 239000003818 cinder Substances 0.000 claims 4
- 238000005452 bending Methods 0.000 claims 2
- 230000006978 adaptation Effects 0.000 claims 1
- 238000007711 solidification Methods 0.000 abstract description 7
- 230000008023 solidification Effects 0.000 abstract description 7
- 238000005119 centrifugation Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/08—Rotary bowls
- B04B7/10—Bowls for shaping solids
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/127—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention relates to the technical field of drilling cutting spin-drying machines, and discloses an oil exploitation drilling cutting spin-drying machine which comprises an outer shell, wherein an inner shell is fixedly connected to the middle of the bottom side of an inner cavity of the outer shell, a feed hopper is arranged at the top of the outer shell, a vertical shaft is movably sleeved in the middle of the inner cavity of the inner shell, an isosceles trapezoid centrifugal block is fixedly connected to the top of the vertical shaft, and the top of the isosceles trapezoid centrifugal block sequentially penetrates through the inner shell and the outer shell and extends to the top of the outer shell. According to the oil exploitation drilling chip drying machine and the drilling chip drying method thereof, through the matching among the filtering barrel, the isosceles trapezoid centrifugal block and the filter screen cleaning device, when drilling chips drop from the filtering holes of the filtering barrel, oil can be conveniently separated from the filtering barrel, meanwhile, the drilling chips drop onto the isosceles trapezoid centrifugal block and the inclined plate to drive the drilling chips with higher water content to perform centrifugal motion again, so that the water in mud can be conveniently separated, and the solidification effect of the drilling chips in the oil exploitation drilling chip drying machine is improved.
Description
Technical Field
The invention relates to the technical field of drilling cutting spin-drying machines, in particular to a petroleum exploitation drilling cutting spin-drying machine and a drilling cutting spin-drying method thereof.
Background
The drilling cutting spin dryer is one of important devices for treating drilling waste in an oil field and preventing slurry from falling to the ground, is favorable for timely and effectively treating the generated waste slurry in the oil exploitation process, and is mainly used for separating drilling cuttings to achieve the effect of solidification and transportation.
When the existing drill chip drying machine carries out centrifugal separation on waste treatment slurry, because the water content in the waste treatment slurry is high, when the waste treatment slurry is rotated, in the process of separating moisture and sludge in a sludge layer on one side close to a rotary table, the sludge layer on one side far away from the rotary table is influenced by water drops separated by an inner-layer sludge layer, then, the slurry on the outer side is easily adhered to a filter, and the slurry is adhered to a filter plate, so that the separation of oil is influenced, the oil-liquid separation effect in the slurry is reduced, the filter plate is not cleaned, and meanwhile, because the water content of separated drill chips is high, the solidification effect of the drill chips is not improved; in addition, in the existing drilling cuttings spin dryer, when the existing drilling cuttings spin dryer is used for separating mud in drilling waste of an oil field, the mud in drilling fluid of the oil field needs to be separated into oil-based mud and water-based mud according to the proportion of oil and water contained in the mud, and the oil-based mud and the water-based mud are respectively spin-dried.
Disclosure of Invention
The invention provides an oil exploitation drilling cutting spin dryer and a drilling cutting spin drying method thereof, which have the advantages of facilitating the separation of water in sludge, improving the solidification effect of drilling cutting in the oil exploitation drilling cutting spin dryer, separating oil from water in the drilling cutting, and facilitating the recycling of the drilling cutting in the later period, and solve the problem that when the existing drilling cutting spin dryer is used for centrifugally separating waste treatment slurry, because the water content in the waste treatment slurry is higher, when the waste treatment slurry is rotated, the slurry layer on one side close to a turntable is influenced by water drops separated from an inner layer slurry layer in the process of separating water in the slurry layer from the sludge, and then the slurry on the outer side is easily adhered to a filter plate, so that the separation of oil is influenced, the effect of oil separation in the slurry is reduced, and the filter plate is not cleaned easily, meanwhile, the water content of the separated drill cuttings is high, so that the solidification effect of the drill cuttings is not improved; the existing drilling cutting drying machine is used for separating mud in oil field drilling waste, the mud in the oil field drilling fluid needs to be separated into oil-based mud and water-based mud according to the proportion of oil and water contained in the mud for drying respectively, the operation process is complex, the oil field drilling fluid mud contains oil and water solution, and the oil and water cannot be separated effectively.
In order to achieve the above purpose, the invention provides the following technical scheme to realize: a spin dryer for drilling cuttings in oil exploitation comprises an outer shell, wherein an inner shell is fixedly connected to the middle of the bottom side of an inner cavity of the outer shell, a feed hopper is arranged at the top of the outer shell, a vertical shaft is movably sleeved at the middle of the inner cavity of the inner shell, an isosceles trapezoid centrifugal block is fixedly connected to the top of the vertical shaft, the top of the isosceles trapezoid centrifugal block sequentially penetrates through the inner shell and the outer shell and extends to the top of the outer shell, the side surface of the feed hopper is fixedly connected with the left side and the right side of the top of the outer shell through a support, the bottom of the feed hopper penetrates through the outer shell and extends to the inside of the outer shell, a filtering barrel is fixedly connected to the bottom of the outer surface of the feed hopper, filter screen cleaning devices are arranged on the left side and the right side of the isosceles trapezoid centrifugal block, the two filter screen cleaning devices are mutually symmetrical by taking the central line of the isosceles trapezoid centrifugal block in the vertical direction as a symmetrical shaft, filter screen cleaning device is including hang plate, joint ring, baffle, elastic expansion part and last flange, the top of shell body inner chamber and the surface of filtering the barrel form the liquid separation chamber, the right side fixed connection play liquid section of thick bamboo at shell body top, the bottom of going out the liquid section of thick bamboo runs through the shell body and extends to the inside of shell body, the inside fixedly connected with fluid separator of a liquid section of thick bamboo.
Optionally, the top of the inclined plate is movably sleeved with the bottom of the clamping ring, the top of the clamping ring is fixedly connected with the right side of the isosceles trapezoid centrifugal block, the top of the inclined plate is in contact with the bottom of the baffle, and the top of the baffle is movably sleeved with the right side of the isosceles trapezoid centrifugal block.
Optionally, a supporting block is fixedly connected to the middle of the left side of the outer shell, a servo motor is arranged at the top of the supporting block, the left side and the right side of the side face of the servo motor are fixedly connected with the top of the supporting block through fixing rods, a transverse groove is formed in the supporting block, an output shaft of the servo motor penetrates through the supporting block and extends into the transverse groove, the outer surface of the driving wheel is in transmission connection with the outer surface of a vertical shaft through a driving belt, the inner portion of the transverse groove of the supporting block is movably sleeved with the outer surface of the driving belt, the driving belt sequentially penetrates through the transverse groove, the outer shell and the inner shell in the supporting block and extends into the inner shell, the outer surface of the driving belt is respectively in movable connection with the inner portions of the outer shell and the inner shell, a deslagging pipe is arranged in the inner shell, and an annular groove plate is fixedly connected to the top of the inner shell, the outer wall board of arc recess board and the surface of isosceles trapezoid centrifugation piece bottom contact, and the outer wall board of arc recess board contacts with the internal surface that filters the barrel bottom, the top of scum pipe and the right side fixed connection of annular recess inboard bottom, the right-hand member of scum pipe runs through interior casing and shell body in proper order and extends to the right side of shell body, the surface of scum pipe and the inside fixed connection of shell body and interior casing.
Optionally, the right side of isosceles trapezoid centrifugal block and the left side fixed connection of elastic telescopic part, the left side of elastic telescopic part is located the bottom of joint ring, the right side of elastic telescopic part and the left middle part fixed connection of hang plate.
Optionally, the middle lower part of the right side of the inclined plate is fixedly connected with the left side of the upper convex plate, and the right side of the upper convex plate is in contact with the left side of the annular convex block.
Optionally, the bottom of the liquid outlet cylinder is fixedly connected with a drainage device, the right end of the drainage device penetrates through the outer shell and extends to the right side of the outer shell, the outer surface of the drainage device is fixedly connected with the inside of the outer shell, the right side of the liquid outlet cylinder is fixedly connected with an oil discharge pipe, the right side of the oil discharge pipe penetrates through the outer shell and extends to the right side of the outer shell, the outer surface of the oil discharge pipe is fixedly connected with the inside of the outer shell, a slag discharge rod is movably sleeved inside the outer shell, the left end of the slag discharge rod penetrates through the outer shell and extends to the inside of the outer shell, the drainage device comprises an inflow pipe, a moisture outflow pipe and a waste residue discharge pipe, the top end of the inflow pipe is fixedly connected with the bottom of the liquid outlet cylinder, the right end of the inflow pipe is fixedly connected with the left side of the waste residue discharge pipe, and the top end of the moisture outflow pipe is fixedly connected with the bottom of the inflow pipe, the utility model discloses a drainage device, including inflow pipe, moisture outflow pipe, arc filter screen, water inlet pipe, water outlet pipe.
Optionally, the oil-liquid separation device comprises a convex block, the right side of the convex block is fixedly connected with the right side wall of the inner cavity of the liquid outlet cylinder, the left side of the convex block is fixedly connected with an isolation plate, the left side of the isolation plate is fixedly connected with the left side of the inner cavity of the liquid outlet cylinder, the right side of the inner cavity of the isolation plate is fixedly connected with the left side of the inner cavity of the liquid outlet cylinder through a filter plate, and the convex block is formed by overlapping three fiber filter materials, namely a thick fiber filter material, a thin fiber filter material and a superfine fiber filter material from top to bottom in sequence.
Optionally, the outside of filtering the barrel and the inboard fixed connection of shell body, the bottom of filtering the barrel runs through the shell body and extends to the inside of shell body, the bottom of filtering the barrel and the top of interior casing to lining up, the outside of filtering the barrel bottom and the outside sealing connection at interior casing top, isosceles trapezoid centrifugation piece is located the inboard of filtering the barrel.
Optionally, the operation steps are as follows:
the method comprises the following steps: firstly, placing an oil exploitation drilling cutting spin dryer at a proper position, and then clamping a liquid outlet pipe in the feed hopper, so that the flow of the waste suspension-shaped slurry in the corresponding oil well can conveniently flow into the isosceles trapezoid centrifugal block through the feed hopper;
step two: the method comprises the following steps that a servo motor is started to drive a driving wheel fixedly connected to an output shaft of the servo motor to rotate, the driving wheel is in transmission connection with a vertical shaft through a transmission belt, an isosceles trapezoid centrifugal block is fixedly connected to the top of the vertical shaft and then drives the isosceles trapezoid centrifugal block to rotate, so that slurry suspended mud on the isosceles trapezoid centrifugal block is driven to rotate, liquid in the slurry suspended mud is separated from the surface of the slurry suspended mud, the filter cylinder is periodically knocked by utilizing the restoring force of an elastic telescopic part and the pushing force of an annular convex block in the opposite direction, mud adhered to filter holes of the filter cylinder is driven to shake, and therefore the mud is convenient to escape from the filter holes of the filter cylinder;
step three: when the drill chip drops from filtering barrel filter hole, be convenient for make fluid separate away from filtering barrel, the drill chip drops to and drives the higher drill chip of water content once more on isosceles trapezoid centrifugation piece and the hang plate and carries out centrifugal motion simultaneously, be convenient for make the liquid in the mud break away from, go out the fluid cylinder through fluid separation chamber bottom fixed connection with fluid separation chamber in with fluid separation chamber separation flow into to going out the fluid cylinder, after fluid passes through the convex block, because inertia collision and intermolecular van der waals' force between the oil molecule, the adhesion is in the bottom of convex block, water in the fluid passes the convex block and flows through drainage device, then effectual oil and water separation.
The invention provides a drilling cutting spin-drying machine for oil exploitation and a drilling cutting spin-drying method thereof, which have the following beneficial effects:
1. the oil exploitation drilling cuttings spin-drying machine and the drilling cuttings spin-drying method thereof are characterized in that when a servo motor is started through the matching among a filtering barrel, an isosceles trapezoid centrifugal block and a filter screen cleaning device, a driving wheel fixedly connected with an output shaft of the servo motor drives a vertical shaft to rotate through a driving belt, then the isosceles trapezoid centrifugal block centrifugally rotates materials, so that a tilting plate is utilized to be subjected to the restoring force of an elastic telescopic part and the pushing force of annular convex blocks in opposite directions to periodically beat the filtering barrel, then sludge adhered to filtering holes of the filtering barrel is driven to shake, the sludge is facilitated to leak from the filtering holes of the filtering barrel, the solid-liquid separation effect of the oil exploitation drilling cuttings spin-drying machine is improved, when drilling cuttings fall from the filtering holes of the filtering barrel, oil is facilitated to be separated from the filtering barrel, and simultaneously, the drilling cuttings fall onto the isosceles trapezoid centrifugal block and the tilting plate to drive the drilling cuttings with higher water content to centrifugally move again, the water quantity in the sludge is convenient to separate, and the solidification effect of drill cuttings in the oil exploitation drill cuttings drying machine is improved.
2. The oil liquid separated in the liquid separation cavity flows into the liquid outlet barrel through the liquid outlet barrel fixedly connected with the bottom of the liquid separation cavity, and is adhered to the bottom of the convex block due to inertial collision and intermolecular van der Waals force after the oil liquid passes through the convex block, water in the oil liquid passes through the convex block and flows out through the drainage device, so that the oil and the water are effectively separated, the oil-water separation effect of the oil-water separation machine in the drilling cuttings is improved, and the oil-water separation machine is convenient for later recycling.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged schematic view of the screen cleaning apparatus of the present invention;
FIG. 3 is an enlarged view of the structure at A in the present invention;
FIG. 4 is a schematic top view of the oil-liquid separator of FIG. 3;
fig. 5 is an enlarged schematic view of B in fig. 2.
In the figure: 1. an outer housing; 2. a feed hopper; 3. a vertical axis; 4. an isosceles trapezoid centrifugal block; 5. a liquid outlet cylinder; 6. a drive wheel; 7. an oil-liquid separation device; 71. a convex block; 72. a filter plate; 73. a separator plate; 8. an inner housing; 9. a filter screen cleaning device; 91. an inclined plate; 92. a snap ring; 93. a baffle plate; 94. an elastic expansion member; 95. an upper convex plate; 10. a filter cylinder; 11. an annular projection; 12. a slag discharge pipe; 13. an oil discharge pipe; 14. a drainage device; 141. an inflow pipe; 142. a moisture outflow pipe; 143. a waste residue discharge pipe; 15. a slag discharging rod; 16. a liquid separation chamber; 17. a transmission belt; 18. a servo motor; 19. and (7) a supporting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an oil extraction drilling cutting spin dryer comprises an outer shell 1, an inner shell 8 is fixedly connected to the middle of the bottom side of an inner cavity of the outer shell 1, a feed hopper 2 is arranged at the top of the outer shell 1, a vertical shaft 3 is movably sleeved at the middle of the inner cavity of the inner shell 8, an isosceles trapezoid centrifugal block 4 is fixedly connected to the top of the vertical shaft 3, the top of the isosceles trapezoid centrifugal block 4 sequentially penetrates through the inner shell 8 and the outer shell 1 and extends to the top of the outer shell 1, the side surface of the feed hopper 2 is fixedly connected to the left side and the right side of the top of the outer shell 1 through a bracket, the bottom of the feed hopper 2 penetrates through the outer shell 1 and extends to the inside of the outer shell 1, a filter cylinder 10 is fixedly connected to the bottom of the outer surface of the feed hopper 2, and filter screen cleaning devices 9 are arranged on the left side and the right side of the isosceles trapezoid centrifugal block 4, the two filter screen cleaning devices 9 are mutually symmetrical by taking the central line of the vertical direction of the isosceles trapezoid centrifugal block 4 as a symmetrical axis, each filter screen cleaning device 9 comprises a slant plate 91, a clamping ring 92, a baffle 93, an elastic telescopic component 94 and an upper convex plate 95, the top of the inner cavity of the outer shell 1 and the outer surface of the filtering cylinder 10 form a liquid separation cavity 16, the right side of the top of the outer shell 1 is fixedly connected with a liquid outlet cylinder 5, the bottom end of the liquid outlet cylinder 5 penetrates through the outer shell 1 and extends into the outer shell 1, the inside of the liquid outlet cylinder 5 is fixedly connected with an oil liquid separation device 7, when drilling cuttings fall from the filtering holes of the filtering cylinder 10, oil liquid is conveniently separated from the filtering cylinder 10, and meanwhile, the drilling cuttings fall onto the isosceles trapezoid centrifugal block 4 and the slant plate 91 to drive the drilling cuttings with higher water content to perform centrifugal motion again, so as to facilitate the separation of water content in sludge, the solidification effect of the drill cuttings in the oil exploitation drill cuttings drying machine is improved.
Wherein, the top of hang plate 91 and the bottom activity of joint ring 92 are cup jointed, the top of joint ring 92 and the right side fixed connection of isosceles trapezoid centrifugation piece 4, the top of hang plate 91 and the bottom of baffle 93 contact mutually, the top of baffle 93 and the right side activity of isosceles trapezoid centrifugation piece 4 are cup jointed, and the bottom of baffle 93 contacts with the top of hang plate 91, avoids the mud landing between isosceles trapezoid centrifugation piece 4 and the filter cylinder body 10 to the joint ring 92 in, avoids causing the hindrance to the rotation of hang plate 91.
Wherein, the left middle part of outer casing 1 is fixedly connected with supporting block 19, the top of supporting block 19 is provided with servo motor 18, the left and right sides of the side of servo motor 18 are all fixedly connected with the top of supporting block 19 through a fixing rod, the inside of supporting block 19 is provided with a transverse groove, the output shaft of servo motor 18 runs through supporting block 19 and extends to the inside of the transverse groove, the outer surface of driving wheel 6 is connected with the outer surface transmission of vertical shaft 3 through driving belt 17, the inside of the transverse groove of supporting block 19 is movably sleeved with the outer surface of driving belt 17, driving belt 17 runs through supporting block 19 transverse groove, outer casing 1 and inner casing 8 in turn and extends to the inside of inner casing 8, the outer surface of driving belt 17 is respectively movably connected with the inside of outer casing 1 and inner casing 8, the inside of inner casing 8 is provided with slag discharge pipe 12, the top of the inner shell 8 is fixedly connected with an annular groove plate, an inner wall plate of the arc-shaped groove plate is contacted with the outer surface of the bottom of the isosceles trapezoid centrifugal block 4, an outer wall plate of the arc-shaped groove plate is contacted with the inner surface of the bottom of the filtering cylinder 10, the top end of the deslagging pipe 12 is fixedly connected with the right side of the bottom of the annular groove plate, the right end of the deslagging pipe 12 sequentially penetrates through the inner shell 8 and the outer shell 1 and extends to the right side of the outer shell 1, the outer surface of the deslagging pipe 12 is fixedly connected with the inner parts of the outer shell 1 and the inner shell 8, when the servo motor 18 is started, a driving wheel 6 fixedly connected with an output shaft of the servo motor 18 drives a vertical shaft 3 to rotate through a driving belt 17, then the materials are centrifugally rotated through the isosceles trapezoid centrifugal block 4, and accordingly the inclined plate 91 is subjected to restoring force of the elastic telescopic component 94 and opposite extrusion force of the annular convex block 11, the filtering cylinder 10 is periodically beaten, and then sludge adhered to the filtering holes of the filtering cylinder 10 is driven to shake, so that the sludge is conveniently leaked from the filtering holes of the filtering cylinder 10, and the solid-liquid separation effect of the oil exploitation drilling cuttings drying machine is improved.
Wherein, the right side of isosceles trapezoid centrifugal block 4 and the left side fixed connection of elastic telescopic part 94, the left side of elastic telescopic part 94 is located the bottom of joint ring 92, the right side of elastic telescopic part 94 and the left middle part fixed connection of hang plate 91 utilize elastic telescopic part 94's recoverability, are convenient for drive hang plate 91 and rock with the piece of annular lug 11, are convenient for rock the filtration barrel 10 of being connected on annular lug 11 right side, are convenient for make its inside remaining mud sediment drop.
Wherein, well below on hang plate 91 right side and upper convex plate 95's left side fixed connection, the right side of upper convex plate 95 contacts with the left side of annular lug 11, works as the thrust and the annular lug 11 to hang plate 91 right side reverse thrust to hang plate 91 left through elastic telescopic parts 94, and the vibrations of being convenient for are filtered barrel 10 and are made the mud sediment of its inside jam drop, are convenient for make fluid pass filter barrel 10 then separate with the mud sediment, play the effect of mediation to filter barrel 10.
Wherein, the bottom of the liquid outlet cylinder 5 is fixedly connected with a drainage device 14, the right end of the drainage device 14 penetrates through the outer shell 1 and extends to the right side of the outer shell 1, the outer surface of the drainage device 14 is fixedly connected with the inside of the outer shell 1, the right side of the liquid outlet cylinder 5 is fixedly connected with an oil discharge pipe 13, the right side of the oil discharge pipe 13 penetrates through the outer shell 1 and extends to the right side of the outer shell 1, the outer surface of the oil discharge pipe 13 is fixedly connected with the inside of the outer shell 1, the inside of the outer shell 1 is movably sleeved with a slag discharge rod 15, the left end of the slag discharge rod 15 penetrates through the outer shell 1 and extends to the inside of the outer shell 1, the drainage device 14 is composed of an inflow pipe 141, a water outflow pipe 142 and a waste residue discharge pipe 143, the top end of the inflow pipe 141 is fixedly connected with the bottom of the liquid outlet cylinder 5, and the right end of the inflow pipe 141 is fixedly connected with the left side of the waste residue discharge pipe 143, the top end of the water outflow pipe 142 is fixedly connected to the bottom of the inflow pipe 141, the inflow pipe 141 is U-shaped, the top end of the water outflow pipe 142 is fixedly connected to an arc-shaped filter screen adapted to the bottom of the inflow pipe 141, the arc center of the bottom curved portion of the inflow pipe 141 coincides with the arc center of the arc-shaped filter screen, the arc length of the bottom curved portion of the inflow pipe 141 is equal to the arc length of the arc-shaped filter screen, the bottom of the water outflow pipe 142 is fixedly connected to the top of the slag discharge pipe 12, when part of the remaining debris and sludge is not filtered, the remaining debris and sludge and water are mixed and flow into the inflow pipe 141, wherein the debris and sludge flow into the slag discharge pipe 143 along the arc length of the curved portion of the inflow pipe 141, and water centrifugally move when reaching the lowest position along the arc length of the curved portion of the inflow pipe 141 and flow out downwards along the water outflow pipe 142 through the arc-shaped filter screen on the water outflow pipe 142, the residue discharge rod 15 is used for shaking the sludge possibly remained on the arc-shaped filter screen on the water outflow pipe 142 and dredging the arc-shaped filter screen.
Wherein, the oil-liquid separating device 7 comprises a convex block 71, the right side of the convex block 71 is fixedly connected with the right side wall of the inner cavity of the liquid outlet cylinder 5, the left side of the convex block 71 is fixedly connected with a separation plate 73, the left side of the separation plate 73 is fixedly connected with the left side of the inner cavity of the liquid outlet cylinder 5, the right side of the inner cavity of the separation plate 73 is fixedly connected with the left side of the inner cavity of the liquid outlet cylinder 5 through a filter plate 72, the convex block 71 is formed by overlapping thick, thin and superfine fiber filter materials from top to bottom in sequence, the oil liquid separated in the liquid separating cavity 16 flows into the liquid outlet cylinder 5 through the liquid outlet cylinder 5 fixedly connected with the bottom of the liquid separating cavity 16, a through hole is arranged on one side of the separation plate 73, which is contacted with the middle upper part on the left side of the convex block 71, the oil flows into the inner side of the convex block 71 through the through hole on the separation plate 73 after being filtered by the filter plate 72, after the oil liquid passes through the convex block 71, because inertia collision and intermolecular van der waals' force between the oil molecule, make the oil molecule in the fluid form the surface of oil dust adhesion at convex block 71, when the protruding upside fluid of convex block 71 when not cutting off, the oil dust on its surface constantly increases, then flow out through oil extraction pipe 13, the water in the fluid passes convex block 71 and flows out through drainage device 14, then effectual oil and water separation, improve the effect of oil development drill chip drier to the inside water oil separation of drill chip, be convenient for later stage to its recycle.
Wherein, the outside of filtering barrel 10 and the inboard fixed connection of shell body 1, the inside that shell body 1 and extension to shell body 1 are run through to the bottom of filtering barrel 10, the bottom of filtering barrel 10 and the top of interior casing 8 are to lining up, the outside of filtering barrel 10 bottom and the outside sealing connection at interior casing 8 top, isosceles trapezoid centrifugation piece 4 is located the inboard of filtering barrel 10.
The method comprises the following operation steps:
the method comprises the following steps: firstly, placing an oil exploitation drilling cutting spin dryer at a proper position, then clamping a liquid outlet pipe in the feed hopper 2, and then facilitating the flow of the waste suspension-shaped slurry in the corresponding oil well to flow into the isosceles trapezoid centrifugal block 4 through the feed hopper 2;
step two: the servo motor 18 is started to drive the driving wheel 6 fixedly connected to the output shaft of the servo motor 18 to rotate, then the driving wheel 6 is in transmission connection with the vertical shaft 3 through the transmission belt 17, the top of the vertical shaft 3 is fixedly connected with the isosceles trapezoid centrifugal block 4, then the isosceles trapezoid centrifugal block 4 is driven to rotate, so that slurry in the isosceles trapezoid centrifugal block 4 is driven to rotate, liquid in the slurry in the suspension state is separated from the surface of the slurry, the filter cylinder 10 is periodically knocked by utilizing the restoring force of the elastic telescopic part 94 and the pushing force of the annular convex block 11 opposite to each other, then sludge adhered to the filter holes of the filter cylinder 10 is driven to shake, the sludge is facilitated to be leaked from the filter holes of the filter cylinder 10, and the solid-liquid separation effect of the oil exploitation drilling chip drying machine is improved;
step three: when the drill cuttings fall from the filtering holes of the filtering cylinder 10, oil is convenient to separate from the filtering cylinder 10, the drill cuttings fall onto the isosceles trapezoid centrifugal block 4 and the inclined plate 91 to drive the drill cuttings with high water content to perform centrifugal motion again, liquid in sludge is convenient to separate, the oil separated in the liquid separation cavity 16 flows into the liquid outlet cylinder 5 through the liquid outlet cylinder 5 fixedly connected with the bottom of the liquid separation cavity 16, after the oil passes through the convex block 71, due to inertial collision between oil molecules and intermolecular van der waals force, the oil adheres to the bottom of the convex block 71, water in the oil passes through the convex block 71 and flows out through the drainage device 14, oil and water are effectively separated, and the oil-water separation effect of the oil exploitation drill cuttings spin dryer on the inner part of the drill cuttings is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an oil development drill chip drier, includes shell body (1), its characterized in that: the middle part of the bottom side of the inner cavity of the outer shell (1) is fixedly connected with an inner shell (8), the top of the outer shell (1) is provided with a feed hopper (2), the middle part of the inner cavity of the inner shell (8) is movably sleeved with a vertical shaft (3), the top of the vertical shaft (3) is fixedly connected with an isosceles trapezoid centrifugal block (4), the top of the isosceles trapezoid centrifugal block (4) sequentially penetrates through the inner shell (8) and the outer shell (1) and extends to the top of the outer shell (1), the side surface of the feed hopper (2) is fixedly connected with the left side and the right side of the top of the outer shell (1) through a support, the bottom of the feed hopper (2) penetrates through the outer shell (1) and extends to the inside of the outer shell (1), the bottom of the outer surface of the feed hopper (2) is fixedly connected with a filtering barrel (10), and the left side and the right side of the isosceles trapezoid centrifugal block (4) are both provided with a filter screen cleaning device (9), two filter screen cleaning device (9) use the central line of isosceles trapezoid centrifugal piece (4) vertical direction as the symmetry axis mutual symmetry, filter screen cleaning device (9) are including hang plate (91), joint ring (92), baffle (93), elastic expansion part (94) and upper cam (95), the top of shell body (1) inner chamber and the surface of filtering barrel (10) form liquid separation chamber (16), the right side fixed connection of shell body (1) top goes out liquid section of thick bamboo (5), the bottom that goes out liquid section of thick bamboo (5) runs through shell body (1) and extends to the inside of shell body (1), the inside fixedly connected with fluid separator (7) of going out liquid section of thick bamboo (5).
2. The oil extraction drill cuttings dryer of claim 1, wherein: the top of the inclined plate (91) is movably sleeved with the bottom of the clamping ring (92), the top of the clamping ring (92) is fixedly connected with the right side of the isosceles trapezoid centrifugal block (4), the top of the inclined plate (91) is in contact with the bottom of the baffle plate (93), and the top of the baffle plate (93) is movably sleeved with the right side of the isosceles trapezoid centrifugal block (4).
3. The oil extraction drill cuttings dryer of claim 1, wherein: the utility model discloses a hydraulic drive mechanism, including shell body (1), left middle part fixedly connected with supporting shoe (19) of shell body (1), the top of supporting shoe (19) is provided with servo motor (18), the left and right sides of servo motor (18) side all is through the top fixed connection of dead lever with supporting shoe (19), the transverse groove has been seted up to the inside of supporting shoe (19), the output shaft of servo motor (18) runs through supporting shoe (19) and extends to the inside of transverse groove, the surface of drive wheel (6) passes through the surface transmission of drive belt (17) and vertical axis (3) and is connected, the inside of supporting shoe (19) transverse groove cup joints with the surface activity of drive belt (17), drive belt (17) run through the transverse groove of supporting shoe (19) inside, shell body (1) and interior casing (8) and extend to the inside of interior casing (8) in proper order, the surface of drive belt (17) respectively with the inside swing joint of shell body (1) and interior casing (8), the inside of interior casing (8) is provided with row cinder pipe (12), the top fixedly connected with annular groove board of interior casing (8), the interior wallboard of arc recess board contacts with the surface of isosceles trapezoid centrifugal block (4) bottom, and the wallboard of arc recess board contacts with the internal surface of filtering barrel (10) bottom, the top of row cinder pipe (12) and the right side fixed connection of annular groove board bottom, the right-hand member of row cinder pipe (12) runs through interior casing (8) and shell body (1) in proper order and extends to the right side of shell body (1), the inside fixed connection of the surface of row cinder pipe (12) and shell body (1) and interior casing (8).
4. The oil extraction drill cuttings dryer of claim 1, wherein: the right side of isosceles trapezoid centrifugal block (4) and the left side fixed connection of elastic telescopic part (94), the left side of elastic telescopic part (94) is located the bottom of joint ring (92), the right side and the left middle part fixed connection of hang plate (91) of elastic telescopic part (94).
5. The oil extraction drill cuttings dryer of claim 1, wherein: the middle lower part of the right side of the inclined plate (91) is fixedly connected with the left side of the upper convex plate (95), and the right side of the upper convex plate (95) is in contact with the left side of the annular convex block (11).
6. The oil extraction drill cuttings dryer of claim 1, wherein: the bottom of the liquid outlet cylinder (5) is fixedly connected with a drainage device (14), the right end of the drainage device (14) penetrates through the outer shell (1) and extends to the right side of the outer shell (1), the outer surface of the drainage device (14) is fixedly connected with the inside of the outer shell (1), the right side of the liquid outlet cylinder (5) is fixedly connected with an oil discharge pipe (13), the right side of the oil discharge pipe (13) penetrates through the outer shell (1) and extends to the right side of the outer shell (1), the outer surface of the oil discharge pipe (13) is fixedly connected with the inside of the outer shell (1), a slag discharge rod (15) is movably sleeved in the inside of the outer shell (1), the left end of the slag discharge rod (15) penetrates through the outer shell (1) and extends to the inside of the outer shell (1), and the drainage device (14) is composed of an inflow pipe (141), a water split-flow outlet pipe (142) and a waste slag discharge pipe (143), the top of inflow pipe (141) and the bottom fixed connection of a play liquid section of thick bamboo (5), the right-hand member of inflow pipe (141) and the left side fixed connection of waste residue discharge pipe (143), the top of moisture outflow pipe (142) and the bottom fixed connection of inflow pipe (141), inflow pipe (141) are the U-shaped form, the top fixed connection of moisture outflow pipe (142) has the arc filter screen with the bottom looks adaptation of inflow pipe (141), the arc heart of inflow pipe (141) bottom bending part coincides with the arc center of arc filter screen, the arc length of inflow pipe (141) bottom bending part equals with the arc length of arc filter screen, the bottom of moisture outflow pipe (142) and the top fixed connection of scum pipe (12).
7. The oil extraction drill cuttings dryer of claim 1, wherein: oil separator (7) are including convex block (71), the right side of convex block (71) and the right side wall fixed connection who goes out the liquid section of thick bamboo (5) inner chamber, the left side fixedly connected with division board (73) of convex block (71), the left side of division board (73) and the left side fixed connection who goes out the liquid section of thick bamboo (5) inner chamber, filter (72) fixed connection is passed through on the right side of division board (73) inner chamber and the left side of going out the liquid section of thick bamboo (5) inner chamber, convex block (71) are from last to forming by thick, thin, three kind superfine fiber filter material coincide down in proper order.
8. The oil extraction drill cuttings dryer of claim 1, wherein: the outside of filtering barrel (10) and the inboard fixed connection of shell body (1), the inside that shell body (1) and extension to shell body (1) are run through to the bottom of filtering barrel (10), the bottom of filtering barrel (10) and the top of interior casing (8) are to lining up, the outside of filtering barrel (10) bottom and the outside sealing connection at interior casing (8) top, isosceles trapezoid centrifugal block (4) are located the inboard of filtering barrel (10).
9. The drill cuttings spin-drying method of the petroleum exploitation drill cuttings spin-drying machine according to any one of claims 1 to 8, wherein the method comprises the following steps: the operation steps are as follows:
the method comprises the following steps: firstly, placing an oil exploitation drilling cutting spin dryer at a proper position, and then clamping a liquid outlet pipe in the feed hopper (2), so that the flow of the waste suspension-shaped slurry in the corresponding oil well can conveniently flow into the isosceles trapezoid centrifugal block (4) through the feed hopper (2);
step two: the servo motor (18) is started to drive the driving wheel (6) fixedly connected with the output shaft of the servo motor (18) to rotate, then the driving wheel (6) is in transmission connection with the vertical shaft (3) through a transmission belt (17), the top of the vertical shaft (3) is fixedly connected with the isosceles trapezoid centrifugal block (4), and then the isosceles trapezoid centrifugal block (4) is driven to rotate, thereby driving the mud suspension-shaped mud fluid on the isosceles trapezoid centrifugal block (4) to rotate, so that the liquid in the slurry suspension state is separated from the surface of the slurry, and the inclined plate (91) is utilized to receive the restoring force of the elastic telescopic component (94) and the pushing force of the annular convex block (11) in opposite directions, the filtering cylinder (10) is periodically beaten, and then sludge adhered to the filtering holes of the filtering cylinder (10) is driven to shake, so that the sludge is facilitated to leak from the filtering holes of the filtering cylinder (10);
step three: when the drill cuttings fall from the filtering holes of the filtering cylinder body (10), oil liquid is conveniently separated from the filtering cylinder body (10), meanwhile, the drill cuttings fall onto the isosceles trapezoid centrifugal block (4) and the inclined plate (91) to drive the drill cuttings with higher water content to perform centrifugal motion again, so that liquid in sludge is conveniently separated, the oil liquid separated in the liquid separation cavity (16) flows into the liquid outlet cylinder (5) through the liquid outlet cylinder (5) fixedly connected with the bottom of the liquid separation cavity (16), after the oil liquid passes through the convex block (71), due to inertial collision among oil molecules and intermolecular van der Waals force, the oil liquid is adhered to the bottom of the convex block (71), and water in the oil liquid passes through the convex block (71) and flows out through the drainage device (14), so that the oil and the water are effectively separated.
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| CN117339275A (en) * | 2023-12-05 | 2024-01-05 | 德州高通机械有限公司 | Mud and sand separator for hydraulic engineering |
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