CN115306328B - Anti-blocking slurry cooling equipment - Google Patents
Anti-blocking slurry cooling equipment Download PDFInfo
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- CN115306328B CN115306328B CN202210929204.8A CN202210929204A CN115306328B CN 115306328 B CN115306328 B CN 115306328B CN 202210929204 A CN202210929204 A CN 202210929204A CN 115306328 B CN115306328 B CN 115306328B
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- pipe
- mud
- valve
- slurry
- blocking
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
- E21B21/106—Valve arrangements outside the borehole, e.g. kelly valves
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention relates to the technical field of drilling mud cooling and discloses anti-blocking mud cooling equipment, which comprises a cooling tower, wherein a cooling coil is arranged in the cooling tower, two ends of the cooling coil are respectively provided with a hot mud liquid inlet and a cold mud liquid outlet, the hot mud liquid inlet is connected with a main mud pipe, a first valve is arranged on the main mud pipe, one end of the main mud pipe, which is far away from the cooling tower, is connected with an anti-blocking pipe, one end of the anti-blocking pipe, which is far away from the main mud pipe, is connected with a mud inlet pipe, a second valve is arranged on the mud inlet pipe, the anti-blocking pipe comprises a transverse pipe and a vertical pipe, the transverse pipe and the vertical pipe are connected into a T shape, two ends of the transverse pipe are respectively connected with the main mud pipe and the mud inlet pipe, two crushing cutters are arranged in the transverse pipe and are connected into a cross shape, the crushing cutters are arranged at one end, which is close to the main mud pipe, and a baffle is rotationally arranged in the vertical pipe; the risk of cooling coil jam is effectively prevented, cooling coil can be guaranteed to last to cool down mud, guarantees that mud equipment lasts normal operating.
Description
Technical Field
The invention relates to the technical field of drilling mud cooling, in particular to anti-blocking mud cooling equipment.
Background
In the drilling process of oil, gas and water wells, the factors such as rock cutting by a drill bit, friction between a drilling tool and a hole wall, rising of the ground temperature at the bottom of the well and the like can improve the problem of underground mud. However, the coldness and effect of the slurry at high temperature are greatly reduced, for example, certain corrosion is caused to drilling tools and conveying equipment, and the service life of the drilling tools is shortened; affecting the exertion of mud components and mud action; affecting the proper operation of the downhole MWD/LWD tool instrument, resulting in errors in measurements, etc. In the Chongqing area, the vertical depth of the horizontal section is 4000-5000 m, the maximum horizontal section is 2000 m, the temperature of the bottom hole mud is close to or exceeds 140-150 ℃, and the measurement accuracy and the transmission stability of a rotary guiding instrument (including LWD/MWD) are seriously affected. Therefore, how simple and easy to implement utilizes the physical cooling means, carries out cooling treatment on the slurry when the slurry circulates to the ground link, and then enters the well for circulation, reduces the working temperature of a shaft bottom rotary guide instrument, becomes a necessary research project, the existing cooling equipment is mainly in three modes of cooling by a refrigerant, cooling by air and cooling by seawater, the cooling coil is arranged in the equipment, the slurry is led into the cooling coil for internal circulation, and the slurry is cooled indirectly by the air cooling or water cooling mode.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides anti-blocking slurry cooling equipment, which effectively prevents the risk of blockage of a cooling coil, ensures that the cooling coil can continuously cool slurry and ensures that the slurry equipment continuously and normally operates.
The aim of the invention is realized by the following technical scheme: the anti-blocking slurry cooling device comprises a cooling tower, wherein a cooling coil is arranged in the cooling tower, a hot slurry inlet and a cold slurry outlet are respectively arranged at two ends of the cooling coil, the hot slurry inlet is connected with a main slurry pipe, a first valve is arranged on the main slurry pipe, one end, far away from the cooling tower, of the main slurry pipe is connected with an anti-blocking pipe, one end, far away from the main slurry pipe, of the anti-blocking pipe is connected with a slurry inlet pipe, and a second valve is arranged on the slurry inlet pipe;
the anti-blocking pipe comprises a transverse pipe and a vertical pipe, wherein the transverse pipe and the vertical pipe are connected into a T shape, two ends of the transverse pipe are respectively connected with the main mud pipe and the mud inlet pipe, two crushing cutters are arranged in the transverse pipe and connected into a cross shape, the crushing cutters are arranged at one end of the vertical pipe, which is close to the main mud pipe, a baffle is arranged in the vertical pipe, and one end of the baffle is hinged to the inner wall of the vertical pipe;
the anti-blocking device comprises a main mud pipe, and is characterized by further comprising a standby pipe, wherein two ends of the standby pipe are respectively connected with the main mud pipe and the mud inlet pipe, a third valve is arranged on the standby pipe, the third valve is communicated when the anti-blocking pipe is blocked, one end of the standby pipe, which is close to the main mud pipe, is positioned between the first valve and the hot mud liquid inlet, and one end of the standby pipe, which is close to the mud inlet pipe, is positioned on one side, which is far away from the anti-blocking pipe, of the second valve.
Adopt above-mentioned technical scheme's effect does, drilling mud enters into through advancing mud pipe and prevents blocking up intraductally, smash the large rock bits through preventing blocking up intraductal crushing sword, guarantee to enter into the rock bits particle diameter in the main mud pipe less, thereby can not block up cooling coil when making mud get into cooling coil and cool off, guarantee cooling device's normal operating, but not kibbling large rock bits then be blocked by crushing sword, make large rock bits blocked on the baffle, the baffle rotates downwards and makes the standpipe open, in order to follow the discharge in the violently intraductal with large rock bits, guarantee that not kibbling large rock bits can not block up the violently pipe, guarantee to prevent blocking up the stable operation of pipe ability for a long time.
Further, the vertical pipe is rotationally connected with a main shaft, the axis of the main shaft is perpendicular to the axis of the vertical pipe, the baffle is fixedly sleeved on the main shaft, a motor is arranged on the outer wall of the vertical pipe, and an output shaft of the motor is in transmission connection with the main shaft.
Further, be provided with the detection pipe on advancing the mud pipe, be provided with elastic component in the detection pipe, elastic component includes a plurality of circular spring leaves, a plurality of circular spring leaves are followed the inseparable range setting of axial of detection pipe, the outer wall of circular spring leaf with the inner wall connection of detection pipe, the shape of circular spring leaf is middle part thickness thin, edge thickness is thick, elastic component keeps away from advance the middle part of mud pipe one end and be fixed with the metal pole, be equipped with the battery in the detection pipe, the third valve pass through the positive pole wire with the anodal of battery is connected, the third valve pass through the negative pole wire with the metal pole is connected, the negative pole of battery is located on the travel path of metal pole.
Further, the third valve comprises a valve seat, a belt Kong Faqiu and a valve rod, a valve cavity is arranged in the valve seat, the standby pipe is communicated with the valve cavity, the valve rod is rotatably arranged on the valve seat, the valve rod is connected with the valve rod, one end, far away from the valve rod, of the valve rod is connected with a servo motor, the positive electrode of the servo motor is connected with the positive electrode wire, and the negative electrode of the servo motor is connected with the negative electrode wire.
Further, a hand wheel disc is fixed on the valve rod and positioned on the outer side of the valve seat, and the hand wheel disc is positioned below the servo motor.
Further, one end of the detection tube, which is far away from the mud inlet tube, is provided with an alarm, the positive electrode of the alarm is connected with the positive electrode of the storage battery through a wire, and the negative electrode of the alarm is connected with the metal rod through a wire.
Further, the bottom of cooling tower sets up the cooling water cabinet, be provided with the shower in the cooling tower, the shower is located cooling coil's top, the shower pass through the inlet tube with the cooling water cabinet is connected, it has the spray pump to link into on the inlet tube.
Further, a heat radiation grille is arranged on the side wall of the cooling tower and is positioned below the cooling coil.
Further, a plurality of air coolers are arranged at the top of the cooling tower and are used for discharging hot air in the cooling tower.
Further, two ends of the anti-blocking pipe are respectively connected with the main mud pipe and the mud inlet pipe through flange plates, and a mud pump is connected to the main mud pipe.
The beneficial effects of the invention are as follows:
1. drilling mud enters into through advancing mud pipe and prevents blocking up intraductally, smash the cutting through preventing blocking up intraductal crushing sword with big rock fragment, guarantee to enter into the intraductal rock fragment particle diameter of main mud less, thereby can not block up cooling coil when making mud get into cooling coil and cool off, guarantee cooling device's normal operating, and the big rock fragment of non-crushing is then blocked by crushing sword, make big rock fragment blocked on the baffle, the baffle rotates downwards and makes the standpipe open, in order to follow the intraductal discharge of violently with big rock fragment, guarantee that the big rock fragment of non-crushing can not block up the violently pipe, guarantee to prevent blocking up the operation that the pipe can be stable for a long time.
2. The backup pipe is started when the anti-blocking pipe is blocked, after the backup pipe is started, the first valve and the second valve are closed, so that the anti-blocking pipe is disconnected from the loop, the anti-blocking pipe is convenient to detach and replace, slurry enters into the cooling tower through the backup pipe in the process of replacing the anti-blocking pipe, and therefore the anti-blocking pipe can be replaced without stopping, and the influence of stopping on the drilling process is prevented.
Drawings
FIG. 1 is a schematic view of the overall structure of an anti-clogging slurry cooling device of the present invention;
FIG. 2 is a schematic view of the internal structure of an anti-blocking pipe in an anti-blocking slurry cooling apparatus according to the present invention;
FIG. 3 is a schematic view showing the internal structure of a detection tube in an anti-blocking slurry cooling apparatus according to the present invention;
FIG. 4 is a schematic view showing the internal structure of a third valve in an anti-blocking slurry cooling apparatus according to the present invention;
in the figure, the cooling tower 1-cooling coil pipe, the cooling tower 3-hot slurry inlet, the cooling slurry outlet 4-main slurry pipe 5-main slurry pipe 6-first valve, the blocking prevention pipe 7-blocking prevention pipe 8-mud inlet pipe 9-second valve, the horizontal pipe 10-vertical pipe 11-vertical pipe 12-crushing cutter 13-baffle plate 14-standby pipe 15-third valve 16-main shaft 17-motor 18-detection pipe 19-round spring leaf 20-metal rod 21-storage battery 22-positive electrode lead 23-negative electrode lead 24-valve seat 25-belt Kong Faqiu, 26-valve rod 27-valve cavity 28-servo motor 29-hand wheel disc 30-alarm 31-cooling water tank 32-inlet pipe 33-spraying pump 34-heat radiation grille 35-air cooler 36-flange plate.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in fig. 1 to 4, an anti-blocking slurry cooling device comprises a cooling tower 1, wherein a cooling coil pipe 2 is arranged in the cooling tower 1, two ends of the cooling coil pipe 2 are respectively provided with a hot slurry inlet 3 and a cold slurry outlet 4, the hot slurry inlet 3 is connected with a main slurry pipe 5, a first valve 6 is arranged on the main slurry pipe 5, one end, far away from the cooling tower 1, of the main slurry pipe 5 is connected with an anti-blocking pipe 7, one end, far away from the main slurry pipe 5, of the anti-blocking pipe 7 is connected with a slurry inlet pipe 8, and a second valve 9 is arranged on the slurry inlet pipe 8; the anti-blocking pipe 7 comprises a transverse pipe 10 and a vertical pipe 11, the transverse pipe 10 and the vertical pipe 11 are connected into a T shape, two ends of the transverse pipe 10 are respectively connected with the main mud pipe 5 and the mud inlet pipe 8, two crushing cutters 12 are arranged in the transverse pipe 10, the two crushing cutters 12 are connected into a cross shape, a larger rock debris passing space is reserved between the two crushing cutters 12, the rock debris with the particle size smaller than that of the cooling coil pipe 2 can pass through the space, the passing rock debris is effectively screened, the rock debris entering the cooling coil pipe 2 is ensured to be smaller than the inner diameter of the cooling coil pipe 2, so that the cooling coil pipe 2 is prevented from being blocked, the crushing cutters 12 are arranged at one end, close to the main mud pipe 5, of the vertical pipe 11, a baffle 13 is arranged in the vertical pipe 11, and one end of the baffle 13 is hinged on the inner wall of the vertical pipe 11; drilling mud enters the anti-blocking pipe 7 through the mud inlet pipe 8, and large rock fragments are crushed through the crushing cutter 12 in the anti-blocking pipe 7, so that the particle size of the rock fragments entering the main mud pipe 5 is ensured to be smaller, the cooling coil pipe 2 is not blocked when the mud enters the cooling coil pipe 2 for cooling, the normal operation of cooling equipment is ensured, the large rock fragments which are not crushed are blocked by the crushing cutter 12, the large rock fragments are blocked on the baffle 13, the vertical pipe 11 is opened by downward rotation of the baffle 13, the large rock fragments are discharged from the transverse pipe 10, the transverse pipe 10 is not blocked by the large rock fragments which are not crushed, and the long-term stable operation of the anti-blocking pipe 7 is ensured; the system further comprises a standby pipe 14, two ends of the standby pipe 14 are respectively connected with the main mud pipe 5 and the mud inlet pipe 8, a third valve 15 is arranged on the standby pipe 14, the third valve 15 is communicated when the anti-blocking pipe 7 is blocked, one end of the standby pipe 14, which is close to the main mud pipe 5, is positioned between the first valve 6 and the hot mud inlet 3, one end of the standby pipe 14, which is close to the mud inlet pipe 8, is positioned at one side of the second valve 9, which is far away from the anti-blocking pipe 7, the standby pipe 14 is started when the anti-blocking pipe 7 is blocked, after the standby pipe 14 is started, the first valve 6 and the second valve 9 are closed, so that the anti-blocking pipe 7 is disconnected from a loop, the anti-blocking pipe 7 is convenient to be detached for replacement, and mud enters the cooling tower 1 through the standby pipe 14 in the process of replacement, so that the anti-blocking pipe 7 can be replaced without stopping the machine, and the drilling process is prevented from being influenced; the vertical pipe 11 is rotationally connected with a main shaft 16, the axis of the main shaft 16 is perpendicular to the axis of the vertical pipe 11, the baffle 13 is fixedly sleeved on the main shaft 16, a motor 17 is arranged on the outer wall of the vertical pipe 11, an output shaft of the motor 17 is in transmission connection with the main shaft 16, the motor 17 drives the main shaft 16 to rotate, the main shaft 16 drives the baffle 13 to deflect downwards, so that the vertical pipe 11 is opened to drain rock debris with larger particle size, the motor 17 is intermittently started, and the rock debris on the baffle 13 is discharged at regular time.
Further, as shown in FIG. 3, a detection tube 18 is arranged on the mud feeding tube 8, an elastic component is arranged in the detection tube 18, the elastic component comprises a plurality of round spring pieces 19, the round spring pieces 19 are tightly arranged along the axial direction of the detection tube 18, the outer wall of the round spring piece 19 is connected with the inner wall of the detection tube 18, the round spring piece 19 is thin in middle part and thick in edge, a metal rod 20 is fixed in the middle part of one end of the elastic component, far away from the mud feeding tube 8, a storage battery 21 is arranged in the detection tube 18, a third valve 15 is connected with the positive electrode of the storage battery 21 through a positive electrode lead 22, the third valve 15 is connected with the metal rod 20 through a negative electrode lead 23, the negative electrode of the storage battery 21 is positioned on the moving path of the metal rod 20, after the anti-blocking tube 7 is blocked, the pressure in the mud feeding tube 8 is gradually increased, so that the round spring piece 19 is subjected to extrusion deformation, because the shape of the round spring piece 19 is thin in middle part and thick in edge, the middle part of the round spring piece 19 is deformed and bent, the round spring piece 19 is deformed to drive the metal rod 20 to move close to the negative electrode of the storage battery 21, the metal rod 20 is driven by the negative electrode lead 23 to contact the negative electrode of the storage battery 21, and the third valve 15 is opened in a closing way, at the moment, mud is discharged into the cooling coil pipe 2 through the standby pipe 14, so that the normal operation of mud equipment is not influenced under the condition that the anti-blocking pipe 7 is blocked, the alarm 30 is arranged at one end of the detection pipe 18, which is far away from the mud inlet pipe 8, the positive electrode of the alarm 30 is connected with the positive electrode of the storage battery 21 through the lead, the negative electrode of the alarm 30 is connected with the metal rod 20 through the lead, when the standby pipe 14 is started, the alarm 30 is closed to give an alarm, a worker is informed to replace the anti-blocking pipe 7, and when the anti-blocking pipe 7 is replaced, the first valve 6 and the second valve 9 are closed, thereby disconnect anti-blocking pipe 7 from the return circuit, be convenient for dismantle anti-blocking pipe 7 and change, anti-blocking pipe 7 finishes the back of changing, open first valve 6 and second valve 9, close third valve 15, continue to carry the mud through anti-blocking pipe 7, make stand-by pipe 14 continue to be in standby state, avoid stand-by pipe 14 long-time operation to be stopped up, maintain anti-blocking pipe 7 that the exchange was got off, be convenient for use next time, during concrete implementation, the internal diameter of stand-by pipe 14 is less than or equal to cooling coil 3's internal diameter, make stand-by pipe 14 leading-in mud can not cause cooling coil 2's jam.
Further, as shown in fig. 4, the third valve 15 includes a valve seat 24, a valve ball 25 with holes and a valve rod 26, a valve cavity 27 is provided in the valve seat 24, the standby pipe 14 is communicated with the valve cavity 27, the belt Kong Faqiu is rotatably provided in the valve cavity 27, the valve rod 26 is rotatably provided on the valve seat 24, the valve rod 26 is connected with the valve ball 25 with holes, one end of the valve rod 26, which is far away from the valve ball 25 with holes, is connected with a servo motor 28, the positive pole of the servo motor 28 is connected with a positive pole lead 22, the negative pole of the servo motor 28 is connected with a negative pole lead 23, when the metal rod 20 is in contact with the negative pole of the storage battery 21, the servo motor 28 is connected, the servo motor 28 drives the valve rod 26 to rotate, the valve rod 26 drives the belt Kong Faqiu to rotate, so that the valve ball 25 with holes is communicated with the standby pipe 14, and thus the standby pipe 14 is started for slurry transportation; a hand wheel disc 29 is fixed on the valve rod 26, the hand wheel disc 29 is positioned on the outer side of the valve seat 24, the hand wheel disc 29 is positioned below the servo motor 28, and when the anti-blocking pipe 7 is replaced, the hand wheel disc 29 is manually rotated to drive the belt Kong Faqiu to rotate, so that the valve ball 25 with holes blocks the standby pipe 14.
Further, as shown in fig. 1, a cooling water tank 31 is arranged at the bottom of the cooling tower 1, a spray pipe is arranged in the cooling tower 1 and is positioned above the cooling coil pipe 2, the spray pipe is connected with the cooling water tank 31 through a water inlet pipe 32, a spray pump 33 is connected to the water inlet pipe 32, the cooling water in the cooling water tank 31 is pumped into the spray pipe through the spray pump 33, a plurality of water outlet holes are formed in the bottom of the spray pipe along the axis of the spray pipe, so that cooling water is sprayed on the cooling coil pipe 2, mud in the cooling coil pipe 2 is cooled in a water cooling mode, a heat radiation grille 34 is arranged on the side wall of the cooling tower 1, the heat radiation grille 34 is positioned below the cooling coil pipe 2, a plurality of air coolers 35 are arranged at the top of the cooling tower 1, the air coolers 35 are used for discharging hot air in the cooling tower 1, external cold air enters the cooling tower 1 through the heat radiation grille 34, and the external cold air is discharged by the air coolers 35 after heat exchange with the cooling coil pipe 2, and thus the circulation of the cold air is realized; in conclusion, the slurry in the cooling coil pipe 2 is cooled through the combination of water cooling and air cooling, the cooling effect is greatly improved, and the cooled slurry is discharged from a cold slurry liquid outlet and is injected into a water tank on a drilling rig to participate in underground operation.
Further, both ends of the anti-blocking pipe 7 are respectively connected with the main mud pipe 5 and the mud inlet pipe 8 through flange plates 36, so that the anti-blocking pipe 7 is convenient to disassemble, and a mud pump is connected to the main mud pipe 5, so that mud in a well is convenient to pump into the cooling coil pipe 2.
In the description of the present invention, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in 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 orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention; and those of ordinary skill in the art will appreciate that the benefits achieved by the present invention are merely better than those achieved by the current embodiments of the prior art in certain circumstances and are not intended to be the most excellent uses directly in the industry.
The foregoing is merely a preferred embodiment of the invention, and it is to be understood that the invention is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (8)
1. The anti-blocking slurry cooling device comprises a cooling tower (1), and is characterized in that a cooling coil (2) is arranged in the cooling tower (1), a hot slurry inlet (3) and a cold slurry outlet (4) are respectively arranged at two ends of the cooling coil (2), the hot slurry inlet (3) is connected with a main slurry pipe (5), a first valve (6) is arranged on the main slurry pipe (5), one end, far away from the cooling tower (1), of the main slurry pipe (5) is connected with an anti-blocking pipe (7), one end, far away from the main slurry pipe (5), of the anti-blocking pipe (7) is connected with a slurry inlet pipe (8), and a second valve (9) is arranged on the slurry inlet pipe (8);
the anti-blocking pipe (7) comprises a transverse pipe (10) and a vertical pipe (11), wherein the transverse pipe (10) is connected with the vertical pipe (11) to form a T shape, two ends of the transverse pipe (10) are respectively connected with the main mud pipe (5) and the mud inlet pipe (8), two crushing cutters (12) are arranged in the transverse pipe (10), the two crushing cutters (12) are connected to form a cross shape, the crushing cutters (12) are arranged at one end, close to the main mud pipe (5), of the vertical pipe (11), a baffle (13) is arranged in the vertical pipe (11), and one end of the baffle (13) is hinged to the inner wall of the vertical pipe (11);
the anti-blocking device comprises a main mud pipe (5) and a hot mud inlet (3), and is characterized by further comprising a standby pipe (14), wherein two ends of the standby pipe (14) are respectively connected with the main mud pipe (5) and the mud inlet pipe (8), a third valve (15) is arranged on the standby pipe (14), the third valve (15) is communicated when the anti-blocking pipe (7) is blocked, one end of the standby pipe (14) close to the main mud pipe (5) is positioned between the first valve (6) and the hot mud inlet (3), and one end of the standby pipe (14) close to the mud inlet pipe (8) is positioned at one side of the second valve (9) away from the anti-blocking pipe (7);
the mud feeding pipe (8) is provided with a detection pipe (18), an elastic component is arranged in the detection pipe (18), the elastic component comprises a plurality of round spring pieces (19), the round spring pieces (19) are arranged in a tight mode along the axial direction of the detection pipe (18), the outer wall of each round spring piece (19) is connected with the inner wall of the corresponding detection pipe (18), the round spring piece (19) is thin in middle part and thick in edge, a metal rod (20) is fixed in the middle part of one end of the elastic component, far away from the mud feeding pipe (8), a storage battery (21) is arranged in the detection pipe (18), the third valve (15) is connected with the positive electrode of the storage battery (21) through a positive electrode lead (22), the third valve (15) is connected with the metal rod (20) through a negative electrode lead (23), and the negative electrode of the storage battery (21) is located on the moving path of the metal rod (20);
third valve (15) are including disk seat (24), area Kong Faqiu (25) and valve rod (26), be equipped with valve pocket (27) in disk seat (24), reserve pipe (14) with valve pocket (27) intercommunication, area Kong Faqiu (25) rotate and set up in valve pocket (27), valve rod (26) rotate and set up on disk seat (24), valve rod (26) with area Kong Faqiu (25) are connected, one end that area Kong Faqiu (25) was kept away from to valve rod (26) is connected with servo motor (28), positive pole connection of servo motor (28) positive pole wire (22), the negative pole connection of servo motor (28) negative pole wire (23).
2. The anti-blocking slurry cooling device according to claim 1, wherein a main shaft (16) is rotatably connected to the vertical pipe (11), an axis of the main shaft (16) is perpendicular to an axis of the vertical pipe (11), the baffle (13) is fixedly sleeved on the main shaft (16), a motor (17) is arranged on the outer wall of the vertical pipe (11), and an output shaft of the motor (17) is in transmission connection with the main shaft (16).
3. An anti-clogging slurry cooling device according to claim 1, wherein a handwheel disc (29) is fixed to the valve stem (26), the handwheel disc (29) being located outside the valve seat (24), the handwheel disc (29) being located below the servo motor (28).
4. A mud cooling apparatus according to claim 3, wherein an alarm (30) is provided at an end of the detection pipe (18) remote from the mud inlet pipe (8), the positive electrode of the alarm (30) is connected to the positive electrode of the battery (21) via a wire, and the negative electrode of the alarm (30) is connected to the metal rod (20) via a wire.
5. The anti-blocking slurry cooling device according to claim 1, wherein a cooling water tank (31) is arranged at the bottom of the cooling tower (1), a spray pipe is arranged in the cooling tower (1) and is positioned above the cooling coil (2), the spray pipe is connected with the cooling water tank (31) through a water inlet pipe (32), and a spray pump (33) is connected to the water inlet pipe (32).
6. An anti-clogging slurry cooling device according to claim 5, characterized in that the side wall of the cooling tower (1) is provided with a heat radiation grille (34), said heat radiation grille (34) being located below the cooling coil (2).
7. An anti-clogging slurry cooling device according to claim 6, characterized in that the top of the cooling tower (1) is provided with a plurality of air coolers (35), said air coolers (35) being adapted to discharge hot air in the cooling tower (1).
8. The anti-blocking slurry cooling device according to claim 1, wherein two ends of the anti-blocking pipe (7) are respectively connected with the main slurry pipe (5) and the slurry inlet pipe (8) through flange plates (36), and a slurry pump is connected to the main slurry pipe (5).
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| CN115306328A (en) | 2022-11-08 |
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