CN110056318B - Anti-blocking device for brine discharge pipe of salt cavern gas storage - Google Patents
Anti-blocking device for brine discharge pipe of salt cavern gas storage Download PDFInfo
- Publication number
- CN110056318B CN110056318B CN201910330332.9A CN201910330332A CN110056318B CN 110056318 B CN110056318 B CN 110056318B CN 201910330332 A CN201910330332 A CN 201910330332A CN 110056318 B CN110056318 B CN 110056318B
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- drilling tool
- discharge pipe
- control assembly
- hydraulic
- drill
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- 150000003839 salts Chemical class 0.000 title claims abstract description 45
- 239000012267 brine Substances 0.000 title abstract description 96
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 title abstract description 96
- 238000005553 drilling Methods 0.000 claims abstract description 109
- 229910052736 halogen Inorganic materials 0.000 claims description 48
- 150000002367 halogens Chemical class 0.000 claims description 47
- 239000010720 hydraulic oil Substances 0.000 claims description 38
- 238000001514 detection method Methods 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 abstract description 25
- 238000000034 method Methods 0.000 description 18
- 239000003921 oil Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 12
- 238000007599 discharging Methods 0.000 description 11
- 230000009471 action Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- 235000019994 cava Nutrition 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- 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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/04—Electric drives
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/16—Modification of mine passages or chambers for storage purposes, especially for liquids or gases
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention provides a salt cavern gas storage brine discharge pipe anti-blocking device, which comprises: drilling tool system, control assembly and wire, under control assembly's control, drilling tool system can be along arranging the steamed pipe motion to make drill bit subassembly motion to row the jam position of steamed pipe, through setting up supporting component and drill bit subassembly in the drilling tool case, first hydraulic push rod is under control assembly's control, promotes support piece and stretches out from the drilling tool case and support on row steamed pipe inner wall, can fix the drill bit subassembly in corresponding jam position, in order to dredge the work to the jam position. According to the anti-blocking device for the brine discharge pipe of the salt cavern gas storage, provided by the invention, after the brine discharge pipe is blocked, the drill bit assembly can be controlled to directly dredge the blocking object in the brine discharge pipe, so that the smooth proceeding of brine discharge work is ensured, and the cavity making efficiency is improved.
Description
Technical Field
The invention relates to the field of oil and gas field equipment, in particular to an anti-blocking device for a brine discharge pipe of a salt cavern gas storage.
Background
The salt dissolving and brine discharging is a key process before the salt cavern gas storage enters the operation stage, and is a technological method for converting salt in the underground salt cavern into brine by using fresh water and discharging the brine from a brine discharging pipe. In the process of cavity making by a salt dissolving and brine discharging method, salt in salt caves is dissolved in water to form a cavity, insoluble matters in the salt caves fall down and deposit, and part of insoluble matters sometimes enter a brine discharging pipe along with brine, so that the brine discharging pipe is easy to be blocked; in addition, the brine can be crystallized in the brine discharge pipe, and the brine discharge pipe is easy to be blocked, so that the brine discharge operation cannot be continued.
The existing device for preventing the halogen discharge pipe from being blocked is characterized in that a cross baffle plate and a plurality of sieve trays with gradually reduced diameters from bottom to top are arranged to prevent insoluble matters from entering the halogen discharge pipe.
However, the above-mentioned anti-blocking device is easy to stay insoluble matter between two sieve trays, and when the insoluble matter that remains is too much, or when the size of insoluble matter is close with the aperture of sieve mesh, it blocks up to block up the halogen discharge pipe easily to when brine takes place crystallization between two sieve trays, the crystalline solid can not pass through from the sieve mesh, also can block up the halogen discharge pipe, can not reach the purpose of preventing blocking up. That is, there is a lack of a device in the prior art that can effectively prevent clogging of the halogen discharge pipe.
Disclosure of Invention
The present invention has been made in view of the above problems, and it is an object of the present invention to provide an anti-clogging device for a brine discharge pipe of a salt cavern gas storage, which overcomes or at least partially solves the above problems.
In order to solve the problems, the invention discloses an anti-blocking device for a brine discharge pipe of a salt cavern gas storage, which is applied to the brine discharge pipe and comprises the following components: drilling tool system, control assembly and wire; wherein,
the drilling tool system is arranged at the top of the halogen discharge pipe, is connected with the control assembly through the lead, and is used for controlling the drilling tool system to move along the halogen discharge pipe;
the drilling system includes: the drilling tool box, the drill bit assembly and the supporting assembly are arranged in the drilling tool box, and the drilling tool box is connected with the control assembly through the lead;
the support assembly includes: the support piece and the first hydraulic push rod are respectively connected with the support piece and the control assembly, and the first hydraulic push rod pushes the support piece to extend out of the drilling tool box and support the support piece on the inner wall of the halogen discharge pipe under the control of the control assembly, or withdraws the support piece into the drilling tool box.
Optionally, the drill bit assembly comprises: the drill motor, the drill and the second hydraulic push rod; wherein,
the drill motor is respectively connected with the drill and the control assembly;
the second hydraulic push rod is respectively connected with the drill motor and the control assembly, and the second hydraulic push rod pushes the drill under the control of the control assembly or withdraws the drill.
Optionally, the control assembly includes: the current detection module is used for detecting the change of the current in the drill motor, and the control assembly is used for controlling the first hydraulic push rod to push the supporting piece or retract the supporting piece according to the change of the current in the drill motor.
Optionally, the apparatus further comprises: and the dust collection opening of the dust collector is close to the drill bit.
Optionally, the apparatus further comprises: a hydraulic oil supply cylinder and a steering valve; wherein,
the hydraulic oil supply cylinder is respectively connected with the first hydraulic push rod and the second hydraulic push rod through the steering valve, and the hydraulic oil supply cylinder and the steering valve are respectively connected with the control assembly.
Optionally, the first hydraulic push rod includes: a first hydraulic cylinder, a first piston, and a first spring; wherein,
the first hydraulic cylinder is connected with the hydraulic oil supply cylinder through the steering valve, the first piston and the first spring are arranged in the first hydraulic cylinder, the first end of the first spring is fixedly connected with the first hydraulic cylinder, the second end of the first spring is fixedly connected with the first piston, and the first piston is connected with the supporting piece.
Optionally, the second hydraulic push rod includes: the second hydraulic cylinder, the second piston and the second spring; wherein,
the second hydraulic cylinder is connected with the hydraulic oil supply cylinder through the steering valve, the second piston and the second spring are arranged in the second hydraulic cylinder, the first end of the second spring is fixedly connected with the second hydraulic cylinder, the second end of the second spring is fixedly connected with the second piston, and the second piston is connected with the drill motor.
Optionally, the support comprises: the telescopic rod, four connecting rods and two supporting pieces; wherein,
the four connecting rods are sequentially hinged to form a first hinge point, a second hinge point, a third hinge point and a fourth hinge point, the first hinge point is opposite to the second hinge point, the third hinge point is opposite to the fourth hinge point, the first hinge point is connected with the first piston, the second hinge point is fixed in the drilling tool box, one supporting sheet is arranged at the third hinge point, and the other supporting sheet is arranged at the fourth hinge point;
one end of the telescopic rod is connected with the first hinge point, and the other end of the telescopic rod is connected with the second hinge point.
Optionally, the drilling tool box is provided with two through holes for two supporting sheets to pass through, and the position of one through hole corresponds to the position of one supporting sheet.
Optionally, the apparatus further comprises: the wire rotating shaft is fixed at the top of the halogen discharge pipe, the wire is wound on the wire rotating shaft, the wire rotating shaft is electrically connected with the control assembly, and the control assembly controls the drilling tool system to move along the halogen discharge pipe by controlling the rotation of the wire rotating shaft.
The invention has the following advantages:
according to the salt cavern gas storage brine discharge pipe anti-blocking device provided by the embodiment of the invention, through the drilling tool system arranged at the top of the brine discharge pipe, under the control of the control component, the drilling tool system can move along the brine discharge pipe so as to enable the drill bit component to move to the blocking position of the brine discharge pipe, and through arranging the support component and the drill bit component in the drilling tool box, the first hydraulic push rod pushes the support component to extend out of the drilling tool box and support the support component on the inner wall of the brine discharge pipe under the control of the control component, so that the drill bit component can be fixed at the corresponding blocking position to dredge the blocking position; after dredging, the support piece can be retracted into the drilling tool box, and the drilling tool system is retracted to the top of the halogen discharging pipe. According to the anti-blocking device for the brine discharge pipe of the salt cavern gas storage, provided by the invention, after the brine discharge pipe is blocked, the drill bit component can be controlled to directly dredge the blocking object in the brine discharge pipe, and no matter whether the blocking object is insoluble or crystalline in the salt cavern, the blocking object can be cleaned, so that the smooth going of brine discharge work is ensured, and the cavity making efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of a brine discharge pipe anti-blocking device of a salt cavern gas storage;
fig. 2 is a schematic structural diagram of a drilling tool system in a brine discharge pipe anti-blocking device of a salt cavern gas storage according to an embodiment of the present invention.
Reference numerals illustrate:
10-halogen discharge pipe, 20-outer pipe, 30-drilling tool system, 301-drill bit assembly, 3011-drill bit motor, 3012-drill bit, 3013-second hydraulic ram, 30131-second hydraulic cylinder, 30132-second piston, 30133-second spring, 302-support assembly, 3021-support, 30211-telescopic rod, 30212-connecting rod, 30213-support sheet, 3022-first hydraulic ram, 30221-first hydraulic cylinder, 30222-first piston, 30223-first spring, 303-drilling tool box, 304-hydraulic cylinder, 305-steering valve, 40-wire, 50-camera, 60-dust collector, 70-gate valve.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
The embodiment of the invention provides an anti-blocking device for a brine discharge pipe of a salt cavern gas storage, which is applied to dredging after the brine discharge pipe is blocked, and comprises the following components: drilling tool system, control assembly and wire; the drilling tool system is arranged at the top of the halogen discharge pipe, is connected with the control assembly through the lead, and is used for controlling the drilling tool system to move along the halogen discharge pipe; the drilling system includes: the drilling tool box, the drill bit assembly and the supporting assembly are arranged in the drilling tool box, and the drilling tool box is connected with the control assembly through the lead; the support assembly includes: the support piece and the first hydraulic push rod are respectively connected with the support piece and the control assembly, and the first hydraulic push rod pushes the support piece to extend out of the drilling tool box and support the support piece on the inner wall of the halogen discharge pipe under the control of the control assembly, or withdraws the support piece into the drilling tool box.
According to the salt cavern gas storage brine discharge pipe anti-blocking device provided by the embodiment of the invention, through the drilling tool system arranged at the top of the brine discharge pipe, under the control of the control component, the drilling tool system can move along the brine discharge pipe so as to enable the drill bit component to move to the blocking position of the brine discharge pipe, and through arranging the support component and the drill bit component in the drilling tool box, the first hydraulic push rod pushes the support component to extend out of the drilling tool box and support the support component on the inner wall of the brine discharge pipe under the control of the control component, so that the drill bit component can be fixed at the corresponding blocking position to dredge the blocking position; after dredging, the support piece can be retracted into the drilling tool box, and the drilling tool system is retracted to the top of the halogen discharging pipe. According to the anti-blocking device for the brine discharge pipe of the salt cavern gas storage, provided by the invention, after the brine discharge pipe is blocked, the drill bit component can be controlled to directly dredge the blocking object in the brine discharge pipe, and no matter whether the blocking object is insoluble or crystalline in the salt cavern, the blocking object can be cleaned, so that the smooth going of brine discharge work is ensured, and the cavity making efficiency is improved.
Referring to fig. 1, a schematic structural diagram of a brine discharge pipe anti-blocking device of a salt cavern gas storage is shown, as shown in fig. 1, the brine discharge pipe anti-blocking device of the salt cavern gas storage is mainly applied to a brine discharge pipe 10, the brine discharge pipe 10 is a part for discharging brine in salt-dissolving brine discharge, a pipe column used in salt-dissolving brine discharge comprises the brine discharge pipe 10 and an outer pipe 20, the brine discharge pipe 10 is sleeved into the outer pipe 20, a gap is formed between the brine discharge pipe 10 and the outer pipe 20, the salt-dissolving brine discharge is to inject fresh water into a salt cavern cavity through the gap between the brine discharge pipe 10 and the outer pipe 20, salt in an underground salt cavern is changed into brine by the fresh water, and the brine is discharged from the brine discharge pipe 10.
The salt cavern gas storage brine discharge pipe anti-blocking device provided by the embodiment of the invention specifically comprises: the drilling tool system 30, the control assembly and the wire 40, the drilling tool system 30 is arranged on the top of the brine discharge pipe 10, the drilling tool system 30 is connected with the control assembly through the wire 40, and the control assembly is used for controlling the drilling tool system 30 to move along the brine discharge pipe 10.
In practical applications, the control assembly may control the drilling tool system 30 to move along the halogen discharging pipe 10 by controlling the retraction of the wire 40, where the control assembly may be disposed on the halogen discharging pipe 10 or may be disposed at other positions convenient for the operator to control, and the specific position of the control assembly is not limited in the embodiments of the present invention.
In an embodiment of the present invention, the drilling system 30 includes: the drilling tool box 303, the drilling bit assembly 301 and the supporting assembly 302, wherein the drilling bit assembly 301 and the supporting assembly 302 are arranged in the drilling tool box 303, and the drilling tool box 303 is mainly used for fixing the drilling bit assembly 301 and the supporting assembly 302 so as to ensure that the positions of the drilling bit assembly 301 and the supporting assembly 302 are relatively fixed, and therefore the drilling bit assembly 301 can be fixed at corresponding positions when the supporting assembly 302 is supported in the halogen discharge pipe 10.
Referring to fig. 2, a schematic structural diagram of a drilling tool system in a brine-draining pipe anti-blocking device of a salt cavern gas storage according to an embodiment of the present invention is shown, as shown in fig. 2, in order to implement a supporting function of a supporting component 302, in an embodiment of the present invention, the supporting component 302 includes: the support 3021 and the first hydraulic push rod 3022, the first hydraulic push rod 3022 is respectively connected with the support 3021 and the control assembly, and the first hydraulic push rod 3022 pushes the support 3021 to extend out of the drilling tool box 303 and support the support on the inner wall of the halogen discharge tube 10 under the control of the control assembly, or withdraws the support 3021 into the drilling tool box 303.
In practical application, according to the salt cavern gas storage brine discharge pipe anti-blocking device provided by the invention, under the control of the control component, the drilling tool system 30 can move along the brine discharge pipe 10, when the drilling tool system 30 moves to a blocking position, the control system controls the first hydraulic push rod 3022 in the support component 302 to push the support component 3021 to extend out of the drilling tool box 303 and support the support component on the inner wall of the brine discharge pipe 10, at this time, the drilling tool component 301 is also fixed at the blocking position along with the support component 302, and then the control component can control the drilling tool component 301 to unblock the blocking position so as to clear the blocking object; after the end of the pull, the control assembly controls the first hydraulic ram 3022 to retract the support 3021 into the tool housing 303 and controls the tool system back to the top of the halogen discharge tube 10. According to the anti-blocking device for the brine discharge pipe of the salt cavern gas storage, provided by the embodiment of the invention, after the brine discharge pipe 10 is blocked, the drill bit assembly 301 can be controlled to directly dredge the blocking matters in the brine discharge pipe 10, and no matter whether the blocking matters are insoluble matters or crystals in salt caverns, the blocking matters can be cleaned, so that the efficiency of dissolving salt brine discharge cavity making is improved.
In an embodiment of the present invention, as shown in fig. 2, a drill bit assembly 301 in a drilling system 30 may include: the drill motor 3011, the drill 3012 and the second hydraulic push rod 3013, wherein, the drill motor 3011 is connected with the drill 3012 and the control assembly respectively, and the drill motor 3011 drives the drill 3012 to rotate under the control of the control assembly so as to drill the blockage. The second hydraulic pushing rod 3013 is respectively connected with the drill motor 3011 and the control assembly, and the second hydraulic pushing rod 3013 pushes the drill 3012 to move downwards or withdraws the drill 3012 under the control of the control assembly.
As shown in fig. 2, the drill 3012 is disposed at the lower end of the drilling tool box 303, and the drill 3012 is driven by the drill motor 3011 to rotate, and meanwhile, the drill 3012 is pushed by the second hydraulic push rod 3013 to extend downwards, so as to drill more plugs, where the extendable length of the drill 3012 can be set according to practical situations. For example, the drill 3012 may extend downward 10 cm under the pushing of the second hydraulic ram 3013. The embodiment of the present invention is not limited to a specific extension length of the drill 3012.
In addition, after the drill bit 3012 is fully extended, if the halogen discharge pipe 10 is not dredged, the control assembly may control the second hydraulic push rod 3013 to retract the drill bit 3012, and simultaneously control the first hydraulic push rod 3022 to retract the support 3021 into the drilling tool box, and then the control assembly controls the drilling tool system 30 to continue to move downwards along the halogen discharge pipe 10, and the above process of supporting by the support assembly 302 and drilling by the drill bit assembly 301 is repeated until the halogen discharge pipe 10 is completely dredged.
In order to determine the position of the blockage and the dredging condition of the halogen tube 10, in the embodiment of the present invention, the control assembly includes: a current detection module for detecting a current of the drill motor 3011, and a control assembly for controlling the first hydraulic ram 3022 to push the support 3021 or retract the support 3021 according to a change in the current in the drill motor 3011.
Specifically, in the process of dredging the blockage in the halogen discharge pipe 10 by the drilling tool system 30, compressed air is firstly required to be injected into the halogen discharge pipe 10 to drain brine above the blockage position, then the control component controls the drilling tool system 30 to move downwards from the top of the halogen discharge pipe 10, and simultaneously, the control component drives the drill 3012 to rotate by controlling the drill motor 3011, at the moment, the drill 3012 is in a low-speed idle state, and the current in the drill motor 3011 is low; when the drilling system 30 moves downwards and the drill bit 3012 contacts the blockage, the drill bit 3012 starts to drill the blockage, at this time, the drill bit 3012 is in an operating state, the current in the drill bit motor 3011 increases, after the current detection module detects a signal of the current increase, the control component controls the first hydraulic push rod 3022 to push the support 3021 to extend out of the drilling tool box 303 and support the support on the inner wall of the halogen discharge pipe 10, so that the drilling tool box 303 is temporarily fixed in the halogen discharge pipe 10, and meanwhile, the control component controls the second hydraulic push rod 3013 to push the drill bit 3012 to move downwards so as to drill the blockage such as insoluble matters or crystals. When the plug is drilled, the drill bit 3012 is in an idle state, the current in the drill bit motor 3011 decreases, and after the current detection module detects a signal of the decrease in current, the control assembly starts to control the first hydraulic ram 3022 to retract the support 3021, and at the same time, controls the second hydraulic ram 3013 to retract the drill bit 3012. The control assembly then controls the drilling system 30 to continue moving downward and the drilling process above is repeated until the plugs within the halogen tubes 10 are completely drilled.
In order to detect the dredging condition of the brine discharge pipe 10, the brine discharge pipe anti-blocking device for the salt cavern gas storage provided by the embodiment of the invention further comprises: the camera 50, the camera 50 is close to the drill 3012 setting, and control assembly and camera 50 electric connection are used for judging whether the drill 3012 dredges the jam and finishes, if dredge finishes, control assembly can retrieve drilling tool system 30, if not dredge finishes, control assembly can control drilling tool system 30 continue to move downwards to dredge the brine discharge pipe 10 completely.
The salt cavern gas storage brine discharge pipe anti-blocking device provided by the embodiment of the invention further comprises: the vacuum cleaner 60, the suction opening of the vacuum cleaner 60 is disposed near the drill 3012, and after the plugs are drilled, the vacuum cleaner 60 can suck the drilled particles and powder to clean the halogen discharge tube 10. The cleaner 60 provided in this embodiment is disposed on top of the drilling tool box 303 to facilitate cleaning of the cleaner 60.
In practical applications, the specific structural forms of the first hydraulic push rod 3022, the second hydraulic push rod 3013, and the support 3021 may be set according to practical situations, as long as the corresponding functions can be implemented.
In order to provide driving force for the first hydraulic push rod 3022 and the second hydraulic push rod 3013, in the embodiment of the present invention, the anti-blocking device for the brine discharge pipe of the salt cavern gas storage further includes: the hydraulic power supply cylinder 304 and the steering valve 305, wherein the hydraulic power supply cylinder 304 is respectively connected with the first hydraulic push rod 3022 and the second hydraulic push rod 3013 through the steering valve 305, and the hydraulic power supply cylinder 304 and the steering valve 305 are respectively connected with the control assembly.
Optionally, in an embodiment of the present invention, as shown in fig. 2, a first hydraulic pushrod 3022 includes: the hydraulic control system comprises a first hydraulic cylinder 30221, a first piston 30222 and a first spring 30223, wherein the first hydraulic cylinder 30221 is connected with a hydraulic supply cylinder 304 through a steering valve 305, the first piston 30222 and the first spring 30223 are arranged in the first hydraulic cylinder 30221, a first end of the first spring 30223 is fixedly connected with the first hydraulic cylinder 30221, a second end of the first spring 30223 is fixedly connected with a first piston 30222, the first piston 30222 is connected with a supporting piece 3021, a pressure oil pump and an oil suction pump are arranged in the hydraulic supply cylinder 304 and are respectively connected with a control assembly, the pressure oil pump is used for introducing hydraulic oil into the first hydraulic cylinder 30221, and the oil suction pump is used for sucking the hydraulic oil in the first hydraulic cylinder 30221 into the hydraulic supply cylinder 304.
In practical application, when the drill 3012 contacts a blockage, the drill 3012 starts to drill the blockage, at this time, the drill 3012 is in a working state, the current in the drill motor 3011 increases, after the current detection module detects a signal of current increase, the control assembly controls the oil pump and the steering valve 305 in the hydraulic oil supply cylinder 304 to feed hydraulic oil into the first hydraulic cylinder 30221, at this time, the hydraulic oil pushes the first piston 30222 to move downwards, so as to push the supporting member 3021 to extend out of the drilling tool box 303 and support the supporting member on the inner wall of the halogen discharge pipe 10, and meanwhile, the first spring 30223 is compressed; when the support 3021 needs to be retracted, the control assembly controls the oil suction pump and the steering valve 305 to suck the hydraulic oil in the first hydraulic cylinder 30221 into the hydraulic oil supply cylinder 304, at this time, the first spring 30223 pushes the first piston 30222 to move upwards, and the first piston 30222 moves upwards to drive the support 3021 to retract into the drilling tool box 303, thereby completing the supporting and retracting process of the support 3021.
Optionally, in an embodiment of the present invention, as shown in fig. 2, the second hydraulic pushrod 3013 includes: the second hydraulic cylinder 30131, the second piston 30132 and the second spring 30133, wherein the second hydraulic cylinder 30131 is connected with the hydraulic oil supply cylinder 304 through the steering valve 305, the second piston 30132 and the second spring 30133 are arranged in the second hydraulic cylinder 30131, a first end of the second spring 30133 is fixedly connected with the second hydraulic cylinder 30131, a second end of the second spring 30133 is fixedly connected with the second piston 30132, and the second piston 30132 is connected with the drill motor 3011.
In practical application, after the first hydraulic push rod 3022 pushes the support 3021 to be supported on the inner wall of the halogen discharge pipe 10, the control assembly controls the oil pump and the steering valve 305 in the hydraulic oil supply cylinder 304 to feed hydraulic oil into the second hydraulic cylinder 30131, at this time, the hydraulic oil pushes the second piston 30132 to move downward and drives the drill motor 3011 to move downward, so that the drill 3012 gradually moves downward to drill into the blockage, and meanwhile, the second spring 30133 is compressed; when the blocking object is drilled, the drill bit 3012 is in an idle state, the current in the drill bit motor 3011 is reduced, and after the current detection module detects a signal of the current reduction, the control assembly starts to control the oil suction pump and the steering valve 305 to suck hydraulic oil in the second hydraulic cylinder 30131 into the hydraulic oil supply cylinder 304, at this time, the second spring 30133 pushes the second piston 30132 to move upwards, and the second piston 30132 moves upwards to drive the drill bit 3012 to retract.
Alternatively, in the embodiment of the present invention, as shown in fig. 2, the support 3021 includes: the telescopic rod 30211, four connecting rods 30212 and two supporting plates 30213, wherein four connecting rods 30212 are sequentially hinged to form a first hinge point, a second hinge point, a third hinge point and a fourth hinge point, the first hinge point is opposite to the second hinge point, the third hinge point is opposite to the fourth hinge point, the first hinge point is connected with the first piston 30224, the second hinge point is fixed in the drilling tool box 303, one supporting plate 30213 is arranged at the third hinge point, the other supporting plate 30213 is arranged at the fourth hinge point, one end of the telescopic rod 30211 is connected with the first hinge point, and the other end of the telescopic rod 30211 is connected with the second hinge point.
In practice, when the first piston 30222 moves downward, the first hinge point moves downward together, the first spring 30222 is compressed, and the telescopic rod 30211 is compressed because the second hinge point is fixed in the tool box 303, and at the same time, the third hinge point and the fourth hinge point extend toward the outside of the tool box 303 until the two support tabs 30213 are supported on the inner wall of the halogen discharge pipe 10. When the support 3021 needs to be retracted, the first piston 30222 is pushed by the first spring 30223 to move upwards, so as to drive the first hinge point to move upwards, the telescopic rod 30211 is stretched, and simultaneously, the third hinge point and the fourth hinge point drive the two support sheets 30213 to retract towards the inside of the drilling tool box 303.
In the embodiment of the present invention, two through holes for two supporting pieces 30123 to pass through are provided on the drilling tool box 303, the position of one through hole corresponds to the position of one supporting piece 30123, and the supporting piece 30123 can be supported on the inner wall of the halogen discharge pipe 10 after passing through the through hole, in practical application, the supporting piece 30123 may be a sheet rubber pad, and the specific shape and type of the supporting piece 30123 are not limited in this embodiment.
In practical applications, the device provided by the embodiment of the invention needs to use a hydraulic oil pipe and a plurality of conductive wires, the hydraulic oil pipe is arranged between the hydraulic oil supply cylinder 304 and the first hydraulic cylinder 30221 and the second hydraulic cylinder 30131, the conductive wires are used for realizing electrical connection, and in order to prevent brine from corroding the hydraulic oil pipe and the conductive wires, the embodiment of the invention also provides a protection pipe, and the hydraulic oil pipe and the conductive wires are arranged in the protection pipe.
In the embodiment of the invention, the anti-blocking device for the brine discharge pipe of the salt cavern gas storage further comprises: the wire pivot, the wire pivot is fixed at the top of arranging the halogen tube 10, and the winding has wire 40 in the wire pivot, and wire pivot and control assembly electric connection, control assembly is rotatory through control wire pivot to control drilling tool system 30 along arranging the halogen tube 10 motion, specifically, when wire pivot was rotatory, wire epaxial wire 40 of wire pivot can be received and released, and drilling tool system 30 who is connected with wire 40 can be along arranging the halogen tube 10 motion under the effect of self gravity, in order to clear up the jam in the halogen tube 10.
It can be appreciated that, in practical application, in order to prevent the wire 40 from breaking during the process of driving the drilling tool system 30 to move along the brine-draining pipe 10, the anti-blocking device for the brine-draining pipe of the salt cavern gas storage according to the embodiment of the present invention further includes: the wire rope, the wire rope and the wire 40 are wound together on the wire rotating shaft, and the wire rope and the wire 40 are connected with the drilling tool system 30 together to play a role of reinforcing the wire 40.
In practical application, in order to prevent brine from flushing the drilling tool system 30, as shown in fig. 1, in the embodiment of the invention, a gate valve 70 is arranged in the brine discharge pipe 10, the gate valve 70 is arranged between the wire rotating shaft and the outlet of the brine discharge pipe 10, the gate valve 70 is connected with a control component, when the brine discharge pipe 10 does not need to be dredged, the drilling tool system 30 is retracted above the gate valve 70, and the control component controls the gate valve 70 to be closed so as to prevent brine from flushing the drilling tool system 30 when brine is discharged; when it is desired to unblock the halogen tube 10, the control assembly controls the gate valve 70 to open and the control assembly controls the drilling system 30 to move downward to reach the blocked position.
In the salt cavern gas storage brine discharge pipe anti-blocking device provided by the embodiment of the invention, in the using process, firstly, a control component controls a gate valve 70 to be opened and controls a wire rotating shaft to rotate so as to release a steel wire rope and a wire 40 wound on the wire rotating shaft, at the moment, a drilling tool system 30 can move downwards along the brine discharge pipe 10 under the action of gravity, and meanwhile, the control component drives a drill 3012 to rotate by controlling a drill motor 3011, at the moment, the drill 3012 is in a low-speed idle state, and the current in the drill motor 3011 is lower; when the drilling system 30 moves downwards, the drill 3012 starts to drill into the blockage when the drill 3012 contacts the blockage, at this time, the drill 3012 is in an operating state, after the current detection module detects a signal of the current increase, the control component controls the oil pump and the steering valve 305 in the hydraulic oil supply cylinder 304 to feed hydraulic oil into the first hydraulic cylinder 30221, at this time, the hydraulic oil pushes the first piston 30222 to move downwards, so as to push the supporting piece 30213 to extend out of the drilling tool box 303 and support the supporting piece on the inner wall of the halogen discharge pipe 10, so that the drilling tool box 303 is temporarily fixed in the halogen discharge pipe 10, then, the control component controls the oil pump and the steering valve 305 in the hydraulic oil supply cylinder 304 to feed hydraulic oil into the second hydraulic cylinder 30131, at this time, the hydraulic oil pushes the second piston 30132 to move downwards, and drives the drill motor 3011 to move downwards, so as to drill the blockage such as to break up the insoluble matters or crystals, and the like, and at the same time, the control component controls the dust collector 60 to suck the broken blockage. When the blockage is drilled, the drill 3012 is in an idle state, the current in the drill motor 3011 is reduced, after the current detection module detects a signal of the current reduction, the control assembly starts to control the oil suction pump and the steering valve 305 to suck hydraulic oil in the second hydraulic cylinder 30131 into the hydraulic oil supply cylinder 304, at this time, the second spring 30133 pushes the second piston 30132 to move upwards, the second piston 30132 drives the drill 3012 to retract, then, the control assembly controls the oil suction pump and the steering valve 305 to suck hydraulic oil in the first hydraulic cylinder 30221 into the hydraulic oil supply cylinder 304, at this time, the first spring 30223 pushes the first piston 30222 to move upwards, and the first piston 30222 moves upwards to drive the support plate 30213 to retract into the drilling tool box 303. The control assembly then controls the drilling system 30 to continue moving downward and repeating the drilling process until the plugs within the brine pipe 10 are completely drilled; when the plugs in the brine pipe 10 are thoroughly cleaned, the control assembly controls the drilling tool system 30 to move upwards until the control assembly is retracted above the top gate valve 70 of the brine pipe 10, and the gate valve 70 is controlled to be closed by the control assembly.
The anti-blocking device for the brine discharge pipe of the salt cavern gas storage can be placed in the brine discharge pipe for a long time, and after the brine discharge pipe is blocked, the control component can control the drill bit component to directly dredge the blocking matters in the brine discharge pipe, and the blocking matters are insoluble matters or crystals in the salt caverns, so that the blocking matters can be cleaned, the smooth operation of brine discharge is ensured, and the cavity making efficiency is improved.
Finally, it is further noted that relational terms such as first and second, and the like are 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. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal 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 terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or terminal device comprising the element.
The invention has been described in detail with reference to the salt cavern gas storage brine discharge pipe anti-blocking device, and specific examples are applied to illustrate the principles and embodiments of the invention, and the above examples are only used to help understand the method and core idea of the invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
Claims (5)
1. The utility model provides a salt cavern gas storage arranges steamed pipe anti-blocking device, is applied to row steamed pipe, its characterized in that, the device includes: drilling tool system, control assembly and wire; wherein,
the drilling tool system is arranged at the top of the halogen discharge pipe, is connected with the control assembly through the lead, and is used for controlling the drilling tool system to move along the halogen discharge pipe;
the drilling system includes: the drilling tool box, the drill bit assembly and the supporting assembly are arranged in the drilling tool box, and the drilling tool box is connected with the control assembly through the lead;
the support assembly includes: the first hydraulic push rod is respectively connected with the support piece and the control assembly, and pushes the support piece to extend out of the drilling tool box and support the support piece on the inner wall of the halogen discharge pipe under the control of the control assembly, or withdraws the support piece into the drilling tool box;
wherein, the drill bit assembly includes: the drill motor, the drill and the second hydraulic push rod; wherein,
the drill motor is respectively connected with the drill and the control assembly;
the second hydraulic push rod is respectively connected with the drill motor and the control assembly, and pushes the drill or withdraws the drill under the control of the control assembly;
the control assembly includes: the current detection module is used for detecting the change of the current in the drill motor, and the control assembly is used for controlling the first hydraulic push rod to push the supporting piece or retract the supporting piece according to the change of the current in the drill motor;
the apparatus further comprises: a hydraulic oil supply cylinder and a steering valve; wherein,
the hydraulic oil supply cylinder is respectively connected with the first hydraulic push rod and the second hydraulic push rod through the steering valve, and the hydraulic oil supply cylinder and the steering valve are respectively connected with the control assembly;
the first hydraulic pushrod includes: a first hydraulic cylinder, a first piston, and a first spring; the first hydraulic cylinder is connected with the hydraulic oil supply cylinder through the steering valve, the first piston and the first spring are arranged in the first hydraulic cylinder, the first end of the first spring is fixedly connected with the first hydraulic cylinder, the second end of the first spring is fixedly connected with the first piston, and the first piston is connected with the supporting piece;
the second hydraulic pushrod includes: the second hydraulic cylinder, the second piston and the second spring; the second hydraulic cylinder is connected with the hydraulic oil supply cylinder through the steering valve, the second piston and the second spring are arranged in the second hydraulic cylinder, the first end of the second spring is fixedly connected with the second hydraulic cylinder, the second end of the second spring is fixedly connected with the second piston, and the second piston is connected with the drill motor.
2. The apparatus of claim 1, wherein the apparatus further comprises: and the dust collection opening of the dust collector is close to the drill bit.
3. The apparatus of claim 1, wherein the support comprises: the telescopic rod, four connecting rods and two supporting pieces; wherein,
the four connecting rods are sequentially hinged to form a first hinge point, a second hinge point, a third hinge point and a fourth hinge point, the first hinge point is opposite to the second hinge point, the third hinge point is opposite to the fourth hinge point, the first hinge point is connected with the first piston, the second hinge point is fixed in the drilling tool box, one supporting sheet is arranged at the third hinge point, and the other supporting sheet is arranged at the fourth hinge point;
one end of the telescopic rod is connected with the first hinge point, and the other end of the telescopic rod is connected with the second hinge point.
4. A device according to claim 3, wherein the drill box is provided with two through holes for two support plates to pass through, the position of one through hole corresponding to the position of one support plate.
5. The apparatus of claim 1, wherein the apparatus further comprises: the wire rotating shaft is fixed at the top of the halogen discharge pipe, the wire is wound on the wire rotating shaft, the wire rotating shaft is electrically connected with the control assembly, and the control assembly controls the drilling tool system to move along the halogen discharge pipe by controlling the rotation of the wire rotating shaft.
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| CN110566161B (en) * | 2019-09-30 | 2023-06-27 | 南华大学 | Mechanical descaling device and method for in-situ leaching production well |
| CN110566160B (en) * | 2019-09-30 | 2023-07-14 | 南华大学 | High-pressure water descaling device and descaling method for in-situ leaching production well |
| CN115142817B (en) * | 2021-03-30 | 2024-04-09 | 中国石油化工股份有限公司 | Crystallization-preventing gas injection and brine discharge tubular column structure, method and salt cavern gas storage |
| CN117722162A (en) * | 2023-11-24 | 2024-03-19 | 中能建数字科技集团有限公司 | Brine discharge device and brine discharge method for salt cavern gas storage |
| CN117552755B (en) * | 2024-01-11 | 2024-03-22 | 河北燃气有限公司 | Brine discharging device of salt cavern gas storage |
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