CN114508330B - High-pressure internal circulation CO 2 Defreezing device for flooding extraction well - Google Patents
High-pressure internal circulation CO 2 Defreezing device for flooding extraction well Download PDFInfo
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- CN114508330B CN114508330B CN202210045561.8A CN202210045561A CN114508330B CN 114508330 B CN114508330 B CN 114508330B CN 202210045561 A CN202210045561 A CN 202210045561A CN 114508330 B CN114508330 B CN 114508330B
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- 238000000605 extraction Methods 0.000 title claims abstract description 14
- 238000010257 thawing Methods 0.000 claims abstract description 124
- 238000001125 extrusion Methods 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 132
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 66
- 239000001569 carbon dioxide Substances 0.000 claims description 61
- 239000007787 solid Substances 0.000 claims description 60
- 238000000034 method Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 19
- 244000309464 bull Species 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000008602 contraction Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 241001075561 Fioria Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/164—Injecting CO2 or carbonated water
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
- E21B43/086—Screens with preformed openings, e.g. slotted liners
-
- 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
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/70—Combining sequestration of CO2 and exploitation of hydrocarbons by injecting CO2 or carbonated water in oil wells
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Freezing, Cooling And Drying Of Foods (AREA)
Abstract
The invention discloses a high-pressure internal circulation CO 2 The defreezing device of the drive extraction well comprises a defreezing box, a folding pipe treatment box and a movable box cover, wherein a folding pipe is arranged at the top of the defreezing box; the top of the folding pipe is provided with a treatment box, and the top of the treatment box is provided with a movable box cover through a hinge; the inner wall of handling the case installs the filter, the vaulting pole that two sets of mirrors were arranged is installed to the bottom of filter, and two sets of vaulting poles all laminate with the diapire of handling the case, four sets of pneumatic cylinders that are square arrangement are installed at the top of activity case lid, and the bottom of pneumatic cylinder all extends into the inside of handling the case, and the stripper plate is installed to the bottom of four sets of pneumatic cylinders, the bottom of stripper plate is installed multiunit evenly arranged and is blocked the pole. CO can be treated in the invention 2 Extrusion crushing is carried out, meanwhile, the internal heat circulation can improve the thawing effect, blockage can be avoided when thawing, the support can be increased outside the device, and then the stability of the device is improved.
Description
Technical Field
The invention relates to the technical field of thawing devices, in particular to a high-pressure internal circulation CO 2 And a defreezing device for the flooding extraction well.
Background
When solid carbon dioxide sublimates, the defrosting device needs to be used, and a circulating heating mechanism needs to be arranged in the defrosting device to increase the sublimation efficiency of the solid carbon dioxide, and then the solid carbon dioxide is used in the petroleum field, so that the oil displacement effect can be achieved.
The existing thawing device has the following defects:
1. patent document CN109619374a discloses a thawing apparatus, "comprising a housing defining a thawing chamber, an apparatus door for opening and closing a taking and placing port of the thawing chamber, an ultrasonic generating module, and an ultrasonic vibrator electrically connected to the ultrasonic generating module. The ultrasonic vibrator is configured to generate corresponding ultrasonic waves in the thawing chamber according to the ultrasonic signals generated by the ultrasonic generating module, and thaw the object to be treated. The thawing device also comprises a metal thawing tray for containing objects to be treated, and a thawing chamber is arranged in the thawing tray. The defrosting tray for containing the to-be-processed objects is made of metal materials, so that the energy loss of ultrasonic waves at the defrosting tray is reduced, the rate of defrosting the to-be-processed objects is improved, and the time required for defrosting is shortened. However, the device can not divide the larger mass into a plurality of groups of smaller mass blocks, so that the contact area between the mass body and heat is smaller, and the thawing efficiency is affected; 2017-10-09
2. Patent document CN103798914a discloses a thawing apparatus, "thawing apparatus 10 includes: the refrigerator includes a case 11 having a thawing chamber 12 therein, a vapor generation mechanism 20 for generating vapor supplied to the thawing chamber 12 to thaw an object to be thawed, and an exhaust mechanism 40 for exhausting the vapor supplied to the thawing chamber 12 to the outside. The exhaust mechanism 40 includes: a cylindrical member 46 having one end communicating with the thawing chamber 12 and the other end communicating with the outside of the thawing chamber 12, and a spiral plate member 47 which is screwed to the inner surface of the cylindrical member 46 by the outer peripheral portion and is attached to the inside of the cylindrical member 46 so that the vapor flows in a spiral shape. However, the heat in the device cannot circulate in the device, and the heat is not distributed uniformly enough, so that the local thawing effect is affected;
3. patent document CN105124719a discloses a thawing device, "comprising a box for storing thawing liquid and a turbine protruding into the box, wherein an upward opening storage bag is fixedly arranged in the box, the thawing device further comprises a cover body, the cover body is provided with a first sealing part matched with the storage bag to seal the storage bag, and the thawing device is further provided with an air extracting device for extracting air in the storage bag. According to the thawing device, the air in the storage bag for placing food is pumped out, so that the storage bag is tightly attached to the food, the turbine is arranged to drive thawing liquid to flow around the storage bag rapidly, heat exchange between the food and the thawing liquid is improved, the effect of rapidly thawing the food is achieved, and the thawing device is simple in structure, convenient to use, high in thawing efficiency, good in thawing effect and free of food nutrition loss. However, in the device, when the thawing substances drop downwards, the pipeline is easy to be blocked;
4. patent document CN113068787a discloses a thawing apparatus and a refrigerator, "comprising: a housing; a processing chamber located within the housing; a first partition wall defining a portion of a boundary of the process chamber; a radio frequency antenna disposed along the first partition adapted to apply radio frequency energy to the process chamber; and an antenna cover disposed along the first partition, the antenna cover and the first partition defining an at least partially enclosed accommodation space in which the radio frequency antenna is located. Compared with the prior art, in the technical scheme provided by the embodiment of the application, the radio frequency antenna can be at least partially sealed by the antenna cover and the first partition wall, so that the contact probability/frequency of the radio frequency antenna and high humidity air can be reduced, the possibility of condensation/icing of the radio frequency antenna can be reduced, the stability of the defrosting performance of the defrosting device can be kept, and the service life of the defrosting device can be prolonged. However, the device is easy to fall down when being collided in actual use.
Disclosure of Invention
The invention aims to provide a high-pressure internal circulation CO 2 The thawing device for the flooding extraction well solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: high-pressure internal circulation CO 2 The defreezing device of the drive extraction well comprises a defreezing box, a folding pipe treatment box and a movable box cover, wherein a folding pipe is arranged at the top of the defreezing box;
the top of the folding pipe is provided with a treatment box, and the top of the treatment box is provided with a movable box cover through a hinge;
the inner wall of handling the case installs the filter, the vaulting pole that two sets of mirrors were arranged is installed to the bottom of filter, and two sets of vaulting poles all laminate with the diapire of handling the case, four sets of pneumatic cylinders that are square arrangement are installed at the top of activity case lid, and the bottom of pneumatic cylinder all extends into the inside of handling the case, and the stripper plate is installed to the bottom of four sets of pneumatic cylinders, the bottom of stripper plate is installed multiunit evenly arranged and is blocked the pole.
Preferably, heating wire pipe and protection frame are all installed to the both sides inner wall of case that unfreezes, and the heating wire pipe is located the inside of protection frame, servo motor is installed to the bottom of the case that unfreezes, the bull stick is installed through the axle to servo motor's output, and the top of bull stick extends into the inside of the case that unfreezes, the surface mounting of bull stick has the multiunit fan blade board of evenly arranging, adjacent two sets of install the connecting rod between the fan blade board.
Preferably, the top of bull stick is installed and is linked up the post, the adapter sleeve is installed to the surface of linking post, electric telescopic handle is installed at the top of adapter sleeve, movable pointed rod is installed at electric telescopic handle's top.
Preferably, the both sides outer wall and the back of case that unfreezes all install two sets of loose axles of evenly arranging, the surface mounting of loose axle has the movable lantern ring, electric putter is installed to the bottom of movable lantern ring, the screw thread dish is installed to electric putter's bottom, the externally mounted of screw thread dish has the equipment sleeve, the inclined plane is installed to the telescopic bottom of equipment, the U template is installed to the one side outer wall that the case was unfreezed is kept away from to the loose axle.
Preferably, an air compression pump is installed at the top of the movable box cover, a connecting pipe is installed at the temperature input end of the air compression pump, and the tail end of the connecting pipe penetrates through the inside of the movable box cover.
Preferably, the bottom of the processing box is provided with two groups of balance plates arranged by images, the bottoms of the two groups of balance plates are provided with a plurality of groups of telescopic springs and telescopic tubes which are arranged front and back, and the telescopic springs encircle the outer sides of the telescopic tubes.
Preferably, the sealing collar is installed to the diapire of case that unfreezes, and the inner wall of sealing collar and the laminating of the outer wall of bull stick, the diapire of case that unfreezes is installed and is put the thing frame, and put the diapire of thing frame and servo motor's diapire laminating.
Preferably, four groups of evenly arranged bearing columns are arranged at the bottom of the thawing box, a discharge pipe is arranged on the outer wall of one side of the thawing box, a control valve is arranged at the top of the discharge pipe, an observation window is arranged on the front surface of the thawing box, heat preservation layers are arranged on the inner walls of the thawing box and the treatment box, and a controller main body is arranged on the front surface of the treatment box.
Preferably, the CO 2 The working steps of the defreezing device of the drive extraction well are as follows:
s1, when the device is placed, a plurality of groups of electric push rods installed on the two sides and the back of the thawing box are required to be applied with rotating force away from the position of the thawing box, then the movable sleeve ring is driven to rotate on the outer surface of the movable shaft until the outer wall of one side of the movable sleeve ring is attached to the inner wall of the concave part of the U-shaped plate, at the moment, the bottom surface of the inclined plate is changed from an inclined state to a horizontal placing state, then the electric push rods are started to drive the inclined plate to extend downwards, the extending process can generate downward driving force on the inclined plate, the inclined plate is driven to move towards the position of the ground until the bottom of the inclined plate is tightly attached to the ground, and then the operation of the electric push rods is stopped;
s2, a worker opens the movable box cover, solid carbon dioxide to be thawed is placed above the filter plate, and then the movable box cover is closed;
s3, sequentially starting all electric components in the device through the controller main body, wherein the air compression pump is started, so that the movement speed of gas molecules in the treatment box and the thawing box can be improved, the kinetic energy of the gas molecules is converted into the pressure energy of the gas, the pressure of compressed air is improved, and the internal air pressures of the two groups of boxes are pressurized to 60-70 atm;
s4, starting a hydraulic cylinder which needs to perform downward extension operation to drive the extrusion plate to move downwards towards the position where the filter plate is located, directly poking a plurality of groups of poking rods arranged at the bottom of the extrusion plate to solid carbon dioxide to split the solid carbon dioxide, performing upward contraction operation by the hydraulic cylinder, and repeatedly performing up-and-down expansion operation for a set number of times according to a set frequency;
s5, solid carbon dioxide with reduced blocks directly falls down from the filter plate and then falls into the defrosting box through the folding pipe, at the moment, the heating wire pipe and the servo motor synchronously run, wherein the heating wire pipe can dissipate heat after being connected with a power supply, the heat is then dissipated into the defrosting box and the treatment box through the protection frame, meanwhile, a rotating rod arranged at the output end of the servo motor drives a plurality of groups of fan blades to rotate towards the set direction according to the set speed, and then the fan blades generate wind power in the defrosting box, so that the heat circulates in the defrosting box to increase the uniformity of heat distribution, and at the same time, the solid carbon dioxide is easily touched by the fan blades in a rotating state in the process of falling into the defrosting box, so that the solid carbon dioxide is further decomposed, and the contact area between the solid carbon dioxide and hot air is improved;
s6, opening a control valve on the discharge pipe, and discharging the solid carbon dioxide which is inside the thawing box and has been thawed outwards from the discharge pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. in the method, a hydraulic cylinder is started to enable the hydraulic cylinder to repeatedly perform up-down expansion operation, when the hydraulic cylinder performs downward extension operation, an extruding plate can be driven to move downwards towards the position where a filter plate is located, then a plurality of groups of stamping rods arranged at the bottom of the extruding plate directly stamp solid carbon dioxide to split the solid carbon dioxide, the solid carbon dioxide with larger mass can be divided into a plurality of groups of smaller mass blocks, and when the extruding plate applies downward pushing force to the filter plate, the solid carbon dioxide with smaller mass above the solid carbon dioxide can pass through a plurality of groups of through grooves on the filter plate and then drop downwards into the thawing box;
2. in the method, heat generated by a heating wire tube is matched with a rotating rod arranged at the output end of a servo motor to drive a plurality of groups of fan blades to rotate towards a set direction at a set speed, and then the fan blades generate wind power in the thawing box, so that the heat circulates in the thawing box to increase uniformity of heat distribution, and meanwhile, solid carbon dioxide is easily touched by the fan blades in a rotating state in the process of falling into the thawing box, so that the solid carbon dioxide is further decomposed, the contact area between the solid carbon dioxide and hot air is increased, and the thawing efficiency of the solid carbon dioxide is increased;
3. in the application, after the electric telescopic rod operates, the electric telescopic rod performs up-down telescopic operation according to the set frequency so as to drive the movable sharp rod to move up and down along the inside of the folding pipe, and at the moment, the situation that the folding pipe is blocked can be effectively reduced;
4. in this application, the staff applys the turning force of keeping away from thawing box place to electric putter, can make movable lantern ring rotate at the surface of loose axle, one side outer wall and the concave part inner wall laminating of U template of movable lantern ring when the electric putter can change tilt state this moment, the bottom surface of hang plate can be changed into the level by tilt state simultaneously and place the state, then start electric putter and promote it to carry out downwardly extending operation, its process of extending can produce decurrent impetus to hang plate, impel it to remove towards ground place, until its bottom closely laminates with ground, can effectively increase the stability that whole device placed subaerial this moment, then increase its anticollision attribute to a certain extent.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of the present invention;
FIG. 3 is a schematic diagram of the installation structure of the hydraulic cylinder, the extrusion plate and the poking rod;
FIG. 4 is a schematic view of the structure of FIG. 2A according to the present invention;
FIG. 5 is a schematic view of the mounting structure of the rotating rod, fan blade plate and adapter post of the present invention;
FIG. 6 is a schematic view of the mounting structure of the connecting sleeve, the electric telescopic rod and the movable spike rod of the present invention;
FIG. 7 is a schematic view of the structure of the movable shaft, the movable collar and the electric putter of the present invention;
fig. 8 is a schematic view of the installation structure of the electric push rod, the threaded disc and the assembly sleeve.
In the figure: 1. a thawing box; 2. folding the tube; 3. a treatment box; 4. a movable box cover; 5. a filter plate; 6. A brace rod; 7. a hydraulic cylinder; 8. an extrusion plate; 9. a poking rod; 10. heating the wire tube; 11. a protective frame; 12. A servo motor; 13. a rotating rod; 14. fan blades; 15. a connecting rod; 16. a connecting column; 17. connecting sleeves; 18. an electric telescopic rod; 19. a movable sharp rod; 20. a movable shaft; 21. a movable collar; 22. an electric push rod; 23. a threaded disc; 24. assembling a sleeve; 25. an inclined plate; 26. a U-shaped plate; 27. an air compression pump; 28. a connecting pipe; 29. a balance plate; 30. a telescopic spring; 31. a telescopic tube; 32. a sealing collar; 33. a storage frame; 34. a bearing column; 35. a discharge pipe; 36. and a heat preservation layer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1, 2 and 3, a high pressure internal recycle CO 2 The defreezing device of the drive extraction well comprises a defreezing box 1, a folding pipe 2 treatment box 3 and a movable box cover 4, wherein the folding pipe 2 is arranged at the top of the defreezing box 1;
the top of the folding pipe 2 is provided with a treatment box 3, and the top of the treatment box 3 is provided with a movable box cover 4 through a hinge;
the filter 5 is installed to the inner wall of handling case 3, and two sets of mirrors are arranged's vaulting pole 6 are installed to the bottom of filter 5, and two sets of vaulting pole 6 all laminate with the diapire of handling case 3, and four sets of pneumatic cylinders 7 that are square arrangement are installed at the top of activity case lid 4, and the inside that all extends into handling case 3 of the bottom of pneumatic cylinder 7, and stripper plate 8 is installed to the bottom of four sets of pneumatic cylinders 7, and multiunit evenly arranged's mark pole 9 is installed to the bottom of stripper plate 8.
Specifically, the staff can open movable case lid 4, afterwards can place the solid carbon dioxide that needs to unfreeze with the inside filter 5 top of processing box 3, then start pneumatic cylinder 7, it needs to carry out downwardly extending operation, be used for driving stripper plate 8 downwardly towards filter 5 place removal, afterwards, stripper plate 8 bottom is installed the multiunit and is stamped solid carbon dioxide to the direct stamp of solid carbon dioxide, be used for splitting solid carbon dioxide, afterwards pneumatic cylinder 7 carries out the shrink operation that upwards, then carry out the flexible operation of upper and lower of setting up times according to the frequency repetition, can cut apart the solid carbon dioxide of bigger piece into multiunit less body piece, simultaneously stripper plate 8 is to filter 5 when exerting decurrent impetus, can pass through the multiunit logical groove of the solid carbon dioxide of its less body piece of top, then drop down to the inside of unfreezing case 1.
Example two
As shown in fig. 2, 4 and 5, the heating wire tube 10 and the protection frame 11 are installed on the inner walls of the two sides of the thawing box 1, the heating wire tube 10 is located inside the protection frame 11, the servo motor 12 is installed at the bottom of the thawing box 1, the rotating rod 13 is installed at the output end of the servo motor 12 through a shaft, the top of the rotating rod 13 extends into the thawing box 1, a plurality of groups of fan blade plates 14 which are uniformly arranged are installed on the outer surface of the rotating rod 13, and the connecting rod 15 is installed between two adjacent groups of fan blade plates 14.
Specifically, after the heating wire tube 10 starts, heat can be dissipated on the surface of the heating wire tube, then the heat is dissipated to the inside of the defrosting box 1 and the processing box 3 through the protection frame 11, meanwhile, the rotating rods 13 installed at the output end of the servo motor 12 drive the multiple groups of fan blades 14 to rotate towards the set direction according to the set speed, and then the fan blades 14 generate wind power in the inside of the defrosting box 1, so that the heat circulates in the inside of the defrosting box 1 to increase the uniformity of heat distribution, meanwhile, solid carbon dioxide is easily touched by the fan blades 14 in a rotating state in the process of falling into the defrosting box 1, then the solid carbon dioxide is further decomposed, the contact area between the solid carbon dioxide and hot air is increased, and meanwhile, the solid carbon dioxide which is thrown by the rotating fan blades 14 can be blocked by the protection frame 11, so that the damage to the heating wire tube 10 is effectively reduced.
Example III
As shown in fig. 2, 5 and 6, a connecting post 16 is mounted on the top of the rotating rod 13, a connecting sleeve 17 is mounted on the outer surface of the connecting post 16, an electric telescopic rod 18 is mounted on the top of the connecting sleeve 17, and a movable sharp rod 19 is mounted on the top of the electric telescopic rod 18.
Specifically, when this device operates, electric telescopic handle 18 synchronous operation, it carries out the flexible operation from top to bottom according to the settlement frequency for drive movable pointed rod 19 and follow the inside activity from top to bottom at folding pipe 2, can effectively reduce folding pipe 2 at this moment and appear the situation of jam, the screw thread that links up the screw thread that the post 16 surface set up and the internal thread that adapter sleeve 17 inner wall set up simultaneously can match each other, then be convenient for carry out the detachable linking between the two, make electric telescopic handle 18 be convenient for break away from the contact with bull stick 13.
Example IV
As shown in fig. 1, 2, 7 and 8, two groups of movable shafts 20 which are uniformly arranged are arranged on the outer walls and the back surfaces of the two sides of the thawing tank 1, a movable lantern ring 21 is arranged on the outer surface of the movable shaft 20, an electric push rod 22 is arranged at the bottom of the movable lantern ring 21, a threaded disc 23 is arranged at the bottom of the electric push rod 22, an assembly sleeve 24 is arranged on the outer surface of the threaded disc 23, an inclined plate 25 is arranged at the bottom of the assembly sleeve 24, and a U-shaped plate 26 is arranged on the outer wall of one side of the movable shaft 20, which is far away from the thawing tank 1.
Specifically, the movable shaft 20 and the movable sleeve ring 21 are in a non-fixed attaching state, when a worker applies a rotating force to the electric push rod 22 far away from the position where the thawing box 1 is located, then the rotating force is transmitted to the position where the movable sleeve ring 21 is located, the movable sleeve ring 21 can be promoted to rotate on the outer surface of the movable shaft 20 until one side outer wall of the movable sleeve ring 21 is attached to the inner wall of the concave part of the U-shaped plate 26, at the moment, the bottom surface of the inclined plate 25 is changed from an inclined state to a horizontal placing state, then the electric push rod 22 is started to promote the electric push rod 22 to conduct downward extension operation, the downward pushing force can be generated on the inclined plate 25 in the extending process, the inclined plate 25 is promoted to move towards the position where the ground until the bottom of the electric push rod is tightly attached to the ground, at the moment, the stability of the whole device placed on the ground can be effectively increased, then the anti-collision property of the whole device is increased to a certain extent, meanwhile, the assembling sleeve 24 and the threaded disc 23 are assembled by threaded embedding, and then the detachable assembling between the inclined plate 25 and the electric push rod 22 is facilitated.
An air compression pump 27 is arranged at the top of the movable box cover 4, a connecting pipe 28 is arranged at the temperature input end of the air compression pump 27, and the tail end of the connecting pipe 28 penetrates through the inside of the movable box cover 4.
The bottom of the treatment box 3 is provided with two groups of balance plates 29 which are arranged in an imaging way, the bottoms of the two groups of balance plates 29 are provided with a plurality of groups of telescopic springs 30 and telescopic tubes 31 which are arranged front and back, and the telescopic springs 30 encircle the outer sides of the telescopic tubes 31.
Specifically, the air compression pump 27 is started to increase the movement speed of the gas molecules in the treatment tank 3 and the thawing tank 1, so that the kinetic energy of the gas molecules is converted into the pressure energy of the gas, thereby increasing the pressure of the compressed air, pressurizing the gas pressure in the two groups of tanks to 60-70 atm, at this time, the solid carbon dioxide can be thawed easily to liquid, the balance plate 29 can convert the position of a part of the ground of the treatment tank 3 into a horizontal state from an inclined state, then a stable assembly platform is provided for the expansion spring 30 and the expansion pipe 31, the expansion spring 30 has a certain elastic deformation capacity and a certain resetting function, when the device is in use, the treatment tank 3 can generate a certain vibration, the vibration can be absorbed by the expansion spring 30 to partially, thereby effectively reducing the influence of the vibration on the thawing tank 1 below, and the expansion pipe 31 can effectively reduce the dislocation phenomenon when the expansion spring 30 expands and contracts.
The sealing collar 32 is installed to the diapire of thawing box 1, and the inner wall of sealing collar 32 and the outer wall laminating of bull stick 13, and the diapire of thawing box 1 is installed and is put thing frame 33, and put the diapire of thing frame 33 and the diapire laminating of servo motor 12.
Four groups of evenly arranged bearing columns 34 are arranged at the bottom of the defrosting box 1, a discharge pipe 35 is arranged on the outer wall of one side of the defrosting box 1, a control valve is arranged at the top of the discharge pipe 35, an observation window is arranged on the front face of the defrosting box 1, heat preservation layers 36 are arranged on the inner walls of the defrosting box 1 and the treatment box 3, and a controller main body is arranged on the front face of the treatment box 3.
Specifically, be in fixed assembled state between sealed lantern ring 32 and the diapire of case 1 that unfreezes, and then effectively avoid liquid carbon dioxide to leak outward from the junction between bull stick 13 and the case 1 that unfreezes, be in the unset laminating state between its and bull stick 13 simultaneously, do not influence the rotation of bull stick 13, the spandrel post 34 provides holding power for this device, discharge pipe 35 makes things convenient for the inside material discharge of case 1 that unfreezes, and heat dissipation of the inside heat of case 1 that unfreezes can effectively be reduced to heat preservation 36.
Specifically, the CO 2 The working steps of the defreezing device of the drive extraction well are as follows:
s1, when the device is placed, a plurality of groups of electric push rods 22 installed on the two sides and the back of the thawing box 1 are required to be applied with a rotating force far away from the position where the thawing box 1 is located, then the movable lantern ring 21 is driven to rotate on the outer surface of the movable lantern ring 20 until the outer wall of one side of the movable lantern ring 21 is attached to the inner wall of the concave part of the U-shaped plate 26, at the moment, the bottom surface of the inclined plate 25 is changed into a horizontal placing state from an inclined state, then the electric push rods 22 are started to drive the inclined plate 25 to extend downwards, the extending process can generate a downward pushing force on the inclined plate 25 to drive the inclined plate 25 to move towards the position where the ground is located, and the operation of the electric push rods 22 is stopped until the bottom of the electric push rods is tightly attached to the ground;
s2, a worker opens the movable box cover 4, then places solid carbon dioxide to be thawed above the filter plate 5, and then closes the movable box cover 4;
s3, sequentially starting all electric components in the device through a controller main body, wherein an air compression pump 27 is started, so that the movement speed of gas molecules in the treatment box 3 and the thawing box 1 can be improved, kinetic energy of the gas molecules is converted into pressure energy of gas, the pressure of compressed air is improved, and the internal air pressures of the two groups of boxes are pressurized to 60-70 atm;
s4, starting a hydraulic cylinder 7, which is required to perform downward extension operation, so as to drive an extrusion plate 8 to move downward towards the position where the filter plate 5 is located, directly poking solid carbon dioxide by a plurality of groups of poking rods 9 arranged at the bottom of the extrusion plate 8 so as to split the solid carbon dioxide, performing upward contraction operation by the hydraulic cylinder 7, and repeatedly performing up-and-down expansion operation for a set number of times according to a set frequency;
s5, solid carbon dioxide with reduced blocks directly falls down from the filter plate 5 and then falls into the defrosting box 1 through the folding pipe 2, at the moment, the heating wire pipe 10 and the servo motor 12 synchronously run, wherein the heating wire pipe 10 can dissipate heat after being powered on, then the heat is dissipated into the defrosting box 1 and the processing box 3 through the protective frame 11, meanwhile, a rotating rod 13 arranged at the output end of the servo motor 12 drives a plurality of groups of fan blades 14 to rotate towards a set direction according to a set speed, and then the fan blades 14 generate wind power in the defrosting box 1, so that heat circulates in the defrosting box 1 to increase the uniformity of heat distribution, and meanwhile, the solid carbon dioxide is easily touched by the fan blades 14 in a rotating state in the falling process of the solid carbon dioxide into the defrosting box 1, so that the solid carbon dioxide is further decomposed, and the contact area between the solid carbon dioxide and hot air is increased;
and S6, opening a control valve on the discharge pipe 35, and discharging the solid carbon dioxide which is inside the thawing box 1 and has been thawed outwards from the discharge pipe 35.
Working principle: the staff will need the solid carbon dioxide that unfreezes to place the top of filter 5, afterwards, close movable case lid 4, then start air compression pump 27, be used for pressurizing the internal atmospheric pressure of two sets of boxes to 60-70 atm, afterwards, other electrical components in the starting device, wherein make hydraulic cylinder 7 repeatedly carry out the flexible operation from top to bottom, when downwardly extending, can drive stripper plate 8 downwardly towards filter 5 place removal, afterwards, stripper plate 8 bottom is installed the multiunit and is stamped solid carbon dioxide directly to the solid carbon dioxide, be used for splitting solid carbon dioxide, and stripper plate 8 is when exerting decurrent thrust to filter 5 under the drive of pneumatic cylinder 7, can pass through the multiunit logical groove on the filter 5 with the solid carbon dioxide of its top less body piece, then drop down to the inside of defrosting case 1, the bull stick 13 that servo motor 12 output was installed at this moment drives multiunit leaf 14 according to the settlement speed and rotates towards the settlement direction, afterwards leaf 14 produces wind-force in the inside of defrosting case 1, thereby the heat that makes heating silk tube 10 produce circulates in defrosting case 1, in order to increase the homogeneity of heat distribution, simultaneously, in the inside defrosting case 1, the solid carbon dioxide that falls down, the solid carbon dioxide of the state is easy to be in the state, the contact with the solid carbon dioxide of fan leaf 14, then the thermal decomposition area is improved, further, the contact area between the solid carbon dioxide of the solid carbon dioxide that was more than the solid carbon dioxide, and the thermal decomposition is easy, and the solid carbon dioxide that is more in contact with the inside.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a high-pressure inner loop CO2 drives extraction well defrosting method, includes defrosting device, defrosting device includes defrosting case (1), folding pipe (2) treatment box (3) and activity case lid (4), its characterized in that: the top of the thawing box (1) is provided with a folding pipe (2);
the top of the folding pipe (2) is provided with a treatment box (3), and the top of the treatment box (3) is provided with a movable box cover (4) through a hinge;
the device comprises a processing box (3), wherein a filter plate (5) is arranged on the inner wall of the processing box (3), two groups of support rods (6) which are arranged in an imaging way are arranged at the bottom of the filter plate (5), the two groups of support rods (6) are attached to the bottom wall of the processing box (3), four groups of hydraulic cylinders (7) which are arranged in a square way are arranged at the top of a movable box cover (4), the bottoms of the hydraulic cylinders (7) all extend into the processing box (3), an extrusion plate (8) is arranged at the bottoms of the four groups of hydraulic cylinders (7), and a plurality of groups of stamping rods (9) which are uniformly arranged are arranged at the bottom of the extrusion plate (8);
heating wire pipes (10) and protective frames (11) are arranged on the inner walls of the two sides of the thawing box (1), the heating wire pipes (10) are located inside the protective frames (11), a servo motor (12) is arranged at the bottom of the thawing box (1), a rotating rod (13) is arranged at the output end of the servo motor (12) through a shaft, the top of the rotating rod (13) extends into the thawing box (1), a plurality of groups of fan blade plates (14) which are uniformly arranged are arranged on the outer surface of the rotating rod (13), and connecting rods (15) are arranged between two adjacent groups of fan blade plates (14);
two groups of movable shafts (20) which are uniformly arranged are arranged on the outer walls and the back of the two sides of the thawing box (1), a movable lantern ring (21) is arranged on the outer surface of the movable shaft (20), an electric push rod (22) is arranged at the bottom of the movable lantern ring (21), a threaded disc (23) is arranged at the bottom of the electric push rod (22), an assembly sleeve (24) is arranged on the outer surface of the threaded disc (23), an inclined plate (25) is arranged at the bottom of the assembly sleeve (24), and a U-shaped plate (26) is arranged on the outer wall of one side, far away from the thawing box (1), of the movable shaft (20);
an air compression pump (27) is arranged at the top of the movable box cover (4), a connecting pipe (28) is arranged at the temperature input end of the air compression pump (27), and the tail end of the connecting pipe (28) penetrates through the inside of the movable box cover (4);
four groups of bearing columns (34) which are uniformly arranged are arranged at the bottom of the defrosting box (1), a discharge pipe (35) is arranged on the outer wall of one side of the defrosting box (1), a control valve is arranged at the top of the discharge pipe (35), an observation window is arranged on the front surface of the defrosting box (1), heat preservation layers (36) are arranged on the inner walls of the defrosting box (1) and the treatment box (3), and a controller main body is arranged on the front surface of the treatment box (3);
the thawing method of the CO2 flooding extraction well comprises the following working steps:
s1, when the thawing device is placed, a plurality of groups of electric push rods (22) arranged on the two sides and the back of the thawing box (1) are required to be applied with a rotating force far away from the position where the thawing box (1) is located, then the movable sleeve ring (21) is driven to rotate on the outer surface of the movable shaft (20) until the outer wall of one side of the movable sleeve ring (21) is attached to the inner wall of the concave part of the U-shaped plate (26), at the moment, the bottom surface of the inclined plate (25) is changed into a horizontal placement state from an inclined state, then the electric push rods (22) are started to drive the inclined plate (25) to extend downwards, and the extending process can generate a downward pushing force to drive the inclined plate (25) to move towards the position where the ground is located until the bottom of the inclined plate is tightly attached to the ground, namely, the operation of the electric push rods (22) is stopped;
s2, a worker opens the movable box cover (4), then places solid carbon dioxide to be thawed above the filter plate (5), and then closes the movable box cover (4);
s3, sequentially starting all electric components in the thawing device through a controller main body, wherein an air compression pump (27) is started, so that the movement speed of gas molecules in the treatment box (3) and the thawing box (1) can be improved, kinetic energy of the gas molecules is converted into pressure energy of gas, the pressure of compressed air is improved, and the internal air pressures of the two groups of boxes are pressurized to 60-70 atm;
s4, starting a hydraulic cylinder (7) which needs to perform downward extension operation to drive the extrusion plate (8) to move downwards towards the position where the filter plate (5) is located, then directly poking a plurality of groups of poking rods (9) arranged at the bottom of the extrusion plate (8) to solid carbon dioxide for splitting the solid carbon dioxide, then performing upward contraction operation by the hydraulic cylinder (7), and then repeatedly performing up-and-down expansion operation for set times according to set frequency;
s5, solid carbon dioxide with reduced blocks directly falls down from the filter plate (5) and falls into the thawing box (1) through the folding pipe (2), at the moment, the heating wire pipe (10) and the servo motor (12) synchronously run, heat can be dissipated after the heating wire pipe (10) is powered on, the heat can be dissipated into the thawing box (1) and the processing box (3) through the protective frame (11), meanwhile, the rotating rod (13) arranged at the output end of the servo motor (12) drives the plurality of groups of fan blades (14) to rotate towards the set direction according to the set speed, and then the fan blades (14) generate wind force in the thawing box (1), so that heat circulates in the thawing box (1) to increase the uniformity of heat distribution, and meanwhile, the solid carbon dioxide is easily touched by the fan blades (14) in a rotating state in the thawing process of falling into the box (1), so that the solid carbon dioxide is further decomposed, and the contact area between the solid carbon dioxide and hot air is increased;
s6, opening a control valve on the discharge pipe (35), and discharging the solid carbon dioxide which is inside the thawing box (1) and has been thawed outwards from the discharge pipe (35).
2. The method for thawing the high-pressure internal-circulation CO2 flooding extraction well according to claim 1, wherein the method comprises the following steps: the top of bull stick (13) is installed and is linked up post (16), adapter sleeve (17) are installed to the surface of linking post (16), electric telescopic handle (18) are installed at the top of adapter sleeve (17), movable pointed rod (19) are installed at the top of electric telescopic handle (18).
3. The method for thawing the high-pressure internal-circulation CO2 flooding extraction well according to claim 1, wherein the method comprises the following steps: the bottom of the processing box (3) is provided with two groups of balance plates (29) arranged by images, the bottoms of the two groups of balance plates (29) are provided with a plurality of groups of telescopic springs (30) and telescopic tubes (31) which are arranged front and back, and the telescopic springs (30) encircle the outer sides of the telescopic tubes (31).
4. The method for thawing the high-pressure internal-circulation CO2 flooding extraction well according to claim 1, wherein the method comprises the following steps: the sealing collar (32) is installed to the diapire of case (1) that unfreezes, and the inner wall of sealing collar (32) is laminated with the outer wall of bull stick (13), put thing frame (33) is installed to the diapire of case (1) that unfreezes, and put the diapire of thing frame (33) and the diapire laminating of servo motor (12).
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| CN202210045561.8A CN114508330B (en) | 2022-01-15 | 2022-01-15 | High-pressure internal circulation CO 2 Defreezing device for flooding extraction well |
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| CN202210045561.8A CN114508330B (en) | 2022-01-15 | 2022-01-15 | High-pressure internal circulation CO 2 Defreezing device for flooding extraction well |
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| CN114508330B true CN114508330B (en) | 2024-01-23 |
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| CN114508330A (en) | 2022-05-17 |
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