Grouting mixing device for temporary plugging fracturing and mixing method thereof

Abstract

The invention relates to the technical field of mine temporary plugging fracturing, in particular to a temporary plugging fracturing grouting mixing device and a mixing method thereof.The temporary plugging fracturing grouting mixing device comprises a stirring barrel and a supporting plate installed on the stirring barrel, a water storage box is arranged at the bottom of the stirring barrel, and a conveying pipe is arranged on the water storage box; the stirring mechanism is arranged on the stirring barrel and connected with the water storage box, stirring blades which are symmetrically arranged are connected to the stirring mechanism, a supporting assembly connected with the stirring blades is arranged on the stirring mechanism, and the stirring mechanism can drive the stirring blades to move through the supporting assembly; the conduction regulation and control mechanism is arranged on the stirring mechanism, and a plurality of guide pipes which are circumferentially distributed at equal intervals are connected to the conduction regulation and control mechanism; according to the stirring device, water can be automatically added into the stirring barrel according to the magnitude of resistance borne by the stirring blades during stirring, so that the optimal stirring effect is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of temporary plugging and fracturing of mines, in particular to a grouting mixing device and a mixing method for temporary plugging and fracturing. Background Art

[0002] During the fracturing operation in coal mines, temporary fracturing plugging agents can assist in controlling the direction and length of cracks, avoiding excessive crack expansion and crosstalk, thereby effectively improving the seepage capacity of gas or liquid in the reservoir. At the same time, by adopting temporary plugging agent technology and applying it to formations that need to increase production, it is possible to reduce the difficulty of fracturing construction, reduce the number of segmented tools used, and improve the efficiency of unit well section transformation. Temporary fracturing plugging agent is a material that can temporarily plug the wellbore. It is generally made of flexible material, can temporarily plug the wellbore under high pressure, and then can flow quickly without affecting subsequent work.

[0003] In coal mine fracturing operations, temporary plugging agents can act as a "barrier" to prevent fracturing fluid from invading areas outside the fractures. It allows the fracturing fluid to flow only into predetermined fractures, thereby protecting the reservoir and preventing the fracturing fluid from causing damage to the reservoir.

[0004] Therefore, when grouting for temporary plugging and fracturing, the grouting liquid needs to be mixed. However, considering that the existing mixing equipment can usually only provide a simple stirring force, it is impossible to adjust the amount of mixing water added according to the mixing state of the grouting liquid. This may cause too much or too little mixing water to be added, resulting in segregation and exudation of the grouting liquid or poor fluidity, which will ultimately affect the strength and durability of the grouting material. Summary of the invention

[0005] The object of the present invention is to provide a grouting mixing device and a mixing method for temporary plugging and fracturing, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions: A grouting mixing device for temporary plugging and fracturing, comprising: A mixing barrel and a support plate mounted on the mixing barrel, wherein a water storage box is provided at the bottom of the mixing barrel and a delivery pipe is provided on the water storage box; Also includes: A stirring mechanism is arranged on the stirring barrel and connected to the water storage box, the stirring mechanism is connected to stirring blades which are symmetrically arranged, the stirring mechanism is provided with a supporting assembly connected to the stirring blades, and the stirring mechanism can drive the stirring blades to move through the supporting assembly; A conduction regulating mechanism is arranged on the stirring mechanism, and a plurality of conduits are connected to the conduction regulating mechanism and are equidistantly distributed on a circumference, and the conduction regulating mechanism can be operated when the stirring mechanism moves to discharge the solution in the water storage box through the conduits; The booster pumping mechanism is arranged in the stirring barrel and connected to the stirring mechanism. The booster pumping mechanism can adjust the pressure in the conduit through the conduction regulating mechanism when the stirring mechanism moves.

[0007] As a further solution of the present invention: the stirring mechanism includes a motor installed on the support plate, a transmission rod that penetrates the stirring barrel and is connected to the motor output shaft is rotatably installed on the support plate, the transmission rod is connected to the water storage box, and a driven component is arranged on the transmission rod.

[0008] As a further solution of the present invention: the driven component includes a receiving plate installed on the transmission rod, a rotating rod is rotatably installed on the receiving plate, a rotating plate is provided on the rotating rod, and the rotating plate is slidably connected to the stirring blade.

[0009] As a further solution of the present invention: the support assembly includes a support sleeve installed in the rotating plate and symmetrically arranged, a movable rod is slidably installed in the support sleeve, a first spring is sleeved on the support sleeve and the movable rod, and two ends of the first spring are respectively in contact with the rotating plate and the stirring blade; It also includes a clamping groove opened on the supporting sleeve, and the movable rod is provided with a protrusion which is slidably connected with the clamping groove.

[0010] As a further solution of the present invention: the conduction and regulation mechanism includes a movable sleeve slidably mounted on the rotating rod, the rotating rod is sleeved with a second spring abutting against the movable sleeve, the side wall of the movable sleeve is provided with a connecting plate slidably connected to the transmission rod, and the rotating rod is provided with a lifting assembly connected to the movable sleeve.

[0011] As a further solution of the present invention: the lifting assembly includes a spiral groove provided on the rotating rod, the inner wall of the movable sleeve is provided with a first limit block which is slidably engaged with the spiral groove, and the connecting plate is provided with a discharge structure.

[0012] As a further solution of the present invention: the discharge structure includes a hollow box installed on the connecting plate and slidably connected to the transmission rod, the hollow box is fixedly connected to the conduit, the hollow box is provided with a limiting sleeve slidably and sealingly connected to the transmission rod, and the transmission rod is provided with a feeding trough that cooperates with the limiting sleeve.

[0013] As a further solution of the present invention: the booster pumping mechanism includes a piston cylinder installed on the support plate, the circumferential outer wall of the piston cylinder is provided with an intake pipe and an exhaust pipe, the exhaust pipe is connected to the hollow box, and a reciprocating component is arranged in the piston cylinder.

[0014] As a further solution of the present invention: the reciprocating assembly includes a guide column installed in the piston cylinder and symmetrically arranged, a piston disk is slidably installed in the guide column, an annular groove is opened on the circumferential outer wall of the transmission rod, and a second limit block is provided in the piston disk and slidably engaged with the annular groove.

[0015] A mixing method of a grouting mixing device for temporary plugging and fracturing, comprising the following steps: Step 1: Place the powder to be mixed in the mixing bucket, and add the required mixing water into the water storage box through the delivery pipe; Step 2: Under the action of the stirring mechanism, the stirring blade is driven by the support component to stir the material. The stirring blade will be resisted by the material, causing the stirring blade to deflect at a certain angle to drive the stirring mechanism to move; Step 3: The stirring mechanism also drives the conduction regulating mechanism to move, so that the water in the water storage box is transported to the conduit through the stirring mechanism and the conduction regulating mechanism, and then sprayed into the stirring barrel; Step 4: The stirring mechanism will also drive the booster pumping mechanism to move, and accelerate the pumping rate of the catheter through the conduction and control mechanism.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: when the stirring blade is working, the present application can automatically adjust the delivery amount of mixing water according to the resistance encountered by the stirring blade, so as to ensure the best mixing effect of the grouting liquid. When the stirring mechanism is working, the stirring blade is driven to stir the powder. Under the action of the resistance of the powder, the stirring blade is driven to deflect at a certain angle to drive the conduction and regulation mechanism to move, so that the stirring mechanism is turned on. At this time, the water in the water storage box can be transported to the mixing barrel through the conduction and regulation mechanism and the conduit. At the same time, the stirring mechanism will also drive the booster pumping mechanism to move, so that the water pressure in the conduit increases, thereby increasing the impact force of the water flow to enhance the mixing effect on the grouting liquid.

[0017] When the grouting liquid is mixed, the fluidity of the grouting liquid increases, the resistance to the stirring blade decreases, the second spring elasticity is released, and the movable sleeve is driven to move toward the initial position, so that the hollow box and the limiting sleeve move toward the initial position. Under the action of the limiting sleeve, the feed trough is sealed again, thereby achieving the effect of stopping adding water when the grouting liquid is mixed, so as to ensure the best mixing quality of the grouting liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1The present invention is a structural schematic diagram of an embodiment of a grouting mixing device for temporary plugging and fracturing.

[0019] Figure 2 This is a structural schematic diagram from another angle in an embodiment of a grouting mixing device for temporary plugging and fracturing.

[0020] Figure 3 It is a structural schematic diagram of the interior of a mixing barrel and part of a booster pumping mechanism in an embodiment of a grouting mixing device for temporary plugging and fracturing.

[0021] Figure 4 The present invention is a schematic diagram of the connection relationship between the interior of a mixing barrel, a water storage box, a delivery pipe, and a part of a pumping mechanism in an embodiment of a grouting mixing device for temporary plugging and fracturing.

[0022] Figure 5 It is a schematic diagram of a partially half-sectioned structure of an embodiment of a grouting mixing device for temporary plugging and fracturing.

[0023] Figure 6 for Figure 5 A schematic diagram of the enlarged structure at point A in the middle.

[0024] Figure 7 It is a structural schematic diagram of part of the stirring mechanism and part of the conduction regulating mechanism in an embodiment of a grouting mixing device for temporary plugging and fracturing.

[0025] Figure 8 The diagram is a schematic diagram of the explosion structure of a rotating rod and a partially conductive control mechanism in an embodiment of a grouting mixing device for temporary plugging and fracturing.

[0026] Fig. 9 The figure is a schematic diagram of the explosion structure of the support assembly in an embodiment of a grouting mixing device for temporary plugging and fracturing.

[0027] Fig.10 The diagram is a schematic diagram of the explosion structure of a partial conduction control mechanism in an embodiment of a grouting mixing device for temporary plugging and fracturing.

[0028] In the figure: 1, mixing barrel; 2, support plate; 3, water storage box; 4, delivery pipe; 5, motor; 6, transmission rod; 601, feed trough; 7, receiving plate; 8, rotating plate; 9, rotating rod; 10, mixing blade; 11, supporting sleeve; 1101, slot; 12, movable rod; 1201, protrusion; 13, first spring; 14, spiral groove; 15, movable sleeve; 16, first limit block; 17, second spring; 18, connecting plate; 19, hollow box; 20, conduit; 21, limit sleeve; 22, annular groove; 23, piston cylinder; 24, intake pipe; 25, exhaust pipe; 26, guide column; 27, piston disc; 28, second limit block. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In addition, when an element in the present invention is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only embodiment.

[0031] See also Figure 1 to Figure 10 In an embodiment of the present invention, a grouting mixing device for temporary plugging and fracturing includes: A mixing barrel 1, and a support plate 2 mounted on the mixing barrel 1, a water storage box 3 is arranged at the bottom of the mixing barrel 1, and a delivery pipe 4 is arranged on the water storage box 3; Also includes: See also Figure 1-Figure 5 , Figure 7 , a stirring mechanism is arranged on the stirring barrel 1 and connected to the water storage box 3, the stirring mechanism is connected with stirring blades 10 which are symmetrically arranged, the stirring mechanism includes a motor 5 installed on the support plate 2, a transmission rod 6 which penetrates the stirring barrel 1 and is connected to the output shaft of the motor 5 is rotatably installed on the support plate 2, the transmission rod 6 is connected to the water storage box 3, a driven component is arranged on the transmission rod 6, wherein the driven component includes a receiving plate 7 installed on the transmission rod 6, a rotating rod 9 is rotatably installed on the receiving plate 7, a rotating plate 8 is arranged on the rotating rod 9, and the rotating plate 8 is slidably connected with the stirring blades 10.

[0032] In detail, fracturing operation is a technology that uses a high-pressure pump to inject fracturing liquid (water, sand, additives, etc.) into the wellhead to expand rock cracks and thus increase reservoir permeability. When mixing the grouting liquid, it is necessary to first add the powder into the mixing barrel 1, and then add water to the mixing barrel 1 for stirring. The amount of mixing water needs to be added strictly according to the instructions to prevent the grouting liquid from separating, bleeding or poor fluidity due to excessive or insufficient water, which affects the strength and durability of the grouting material. Therefore, after the powder is added, the motor 5 can be started, and the transmission rod 6 can be driven to rotate, thereby driving the receiving plate 7 to move. The receiving plate 7 will drive the rotating plate 8 to move through the rotating rod 9, thereby driving the stirring blade 10 to rotate around the transmission rod 6. Under the action of the stirring blade 10 and the rotating plate 8, the powder is stirred.

[0033] Preferably, the delivery pipe 4 is used to pump mixing water, the transmission rod 6 is hollow and connected to the water storage box 3. Because the powder is subjected to greater resistance when the stirring blade 10 is stirring before water is added, the stirring blade 10 will drive the rotating rod 9 to rotate a certain angle. Under the action of the rotating rod 9, the conduction and regulation mechanism is controlled to move so that the transmission rod 6 is conductive. At this time, the water in the water storage box 3 will be transported to the conduction and regulation mechanism through the transmission rod 6, and sprayed into the mixing barrel 1 through the conduit 20. At this time, the stirring blade 10 fully mixes the powder and water, so that the resistance encountered by the stirring blade 10 is gradually reduced to adjust the conduction amount of the transmission rod 6, thereby achieving the effect of automatically adjusting the pumping rate and pumping amount of water according to the resistance encountered by the stirring blade 10.

[0034] See also Figure 5 , Fig. 9 The stirring mechanism is provided with a supporting assembly connected to the stirring blade 10, and the stirring mechanism can drive the stirring blade 10 to move through the supporting assembly. The supporting assembly includes a supporting sleeve 11 installed in the rotating plate 8 and symmetrically arranged, and a movable rod 12 is slidably installed in the supporting sleeve 11. A first spring 13 is sleeved on the supporting sleeve 11 and the movable rod 12, and the two ends of the first spring 13 are respectively abutted against the rotating plate 8 and the stirring blade 10; it also includes a slot 1101 opened on the supporting sleeve 11, and the movable rod 12 is provided with a protrusion 1201 slidably connected to the slot 1101.

[0035] It should be noted that in order to ensure the stirring effect of the stirring blade 10, it is necessary to always maintain the mixing area of ​​the powder and water when the stirring blade 10 is offset due to resistance. Therefore, in the initial state, under the action of the conduction control mechanism, the stirring blade 10 and the rotating plate 8 are controlled to be parallel through the rotating rod 9, and the stirring blade 10 is in contact with the inner wall of the stirring barrel 1. Under the action of the stirring blade 10, the movable rod 12 is located at the end of the stroke toward the support sleeve 11, so that the protrusion 1201 is located at the end of the stroke of the slot 1101 toward the receiving plate 7. At this time, the first spring 13 is in a compressed state. When the stirring blade 10 surrounds When rotating around the transmission rod 6, since the powder is difficult to stir, the resistance provided to the stirring blade 10 is relatively large. At this time, the stirring blade 10 will swing at a certain angle and drive the rotating rod 9 to rotate at a certain angle. At this time, the distance between the stirring blade 10 and the inner wall of the stirring barrel 1 increases, and the first spring 13 is elastically released, and drives the movable rod 12 to move in the direction away from the supporting sleeve 11, so that the protrusion 1201 moves along the length direction of the slot 1101, so that the stirring blade 10 moves a certain distance in the direction away from the rotating plate 8, thereby achieving that when the stirring blade 10 swings at a certain angle, it always maintains a larger stirring area for the powder.

[0036] See also Figure 3-Figure 8 , Fig.10 , a conduction regulating mechanism is arranged on the stirring mechanism, and a plurality of conduits 20 equidistantly distributed in a circumference are connected to the conduction regulating mechanism. The conduction regulating mechanism can be actuated when the stirring mechanism moves to discharge the solution in the water storage box 3 through the conduits 20. The conduction regulating mechanism includes a movable sleeve 15 slidably mounted on the rotating rod 9, and a second spring 17 abutting against the movable sleeve 15 is sleeved on the rotating rod 9. A connecting plate 18 slidably connected to the transmission rod 6 is arranged on the side wall of the movable sleeve 15, and a lifting plate 18 connected to the movable sleeve 15 is arranged on the rotating rod 9. A lowering assembly, wherein the lifting assembly includes a spiral groove 14 opened on the rotating rod 9, the inner wall of the movable sleeve 15 is provided with a first limit block 16 which is slidably engaged with the spiral groove 14, and the connecting plate 18 is provided with a discharge structure. The above-mentioned discharge structure includes a hollow box 19 which is installed on the connecting plate 18 and is slidably connected to the transmission rod 6, the hollow box 19 is fixedly connected to the conduit 20, and a limit sleeve 21 which is slidably and sealingly connected to the transmission rod 6 is provided on the hollow box 19, and a feed trough 601 which cooperates with the limit sleeve 21 is opened on the transmission rod 6.

[0037] Further, in the initial state, the second spring 17 is in a compressed state, so that the movable sleeve 15 is located at the end of the stroke in the direction of the connecting plate 18, so that the first limit block 16 is located at the end of the stroke on one side of the spiral groove 14. Under the action of the connecting plate 18, the limit sleeve 21 is controlled by the hollow box 19 to be located at the end of the stroke away from the motor 5, and under the action of the limit sleeve 21, the feed chute 601 is in a blocked state, so that the water in the water storage box 3 cannot enter the hollow box 19. When the stirring blade 10 stirs the powder, under the action of resistance, the stirring blade 10 drives the rotating rod 9 to rotate a certain distance. The movable sleeve 15 moves in a direction away from the rotating plate 8 under the action of the spiral groove 14 and the first limiting block 16, and the movable sleeve 15 also drives the connecting plate 18 to move, thereby driving the hollow box 19 to move, so that the limiting sleeve 21 moves. When the limiting sleeve 21 moves, the feed trough 601 will be misaligned with the limiting sleeve 21 and connected with the hollow box 19. At this time, the water in the water storage box 3 will be transported to the hollow box 19 through the transmission rod 6 and the feed trough 601, so as to transport the water to the mixing barrel 1 through the conduit 20.

[0038] Preferably, when the transmission rod 6 rotates, it will also drive the movable sleeve 15 to rotate around the transmission rod 6 through the rotating rod 9, thereby driving the hollow box 19 to rotate. Therefore, when the conduit 20 pumps water, the contact area between water and powder can be increased, thereby ensuring that the stirring blade 10 has a better stirring effect on the powder.

[0039] See also Figure 1-Figure 5 , Figure 7 , a booster pumping mechanism is arranged in the mixing barrel 1 and connected to the mixing mechanism. The booster pumping mechanism can adjust the pressure in the conduit 20 through the conduction and regulation mechanism when the mixing mechanism moves. The booster pumping mechanism includes a piston cylinder 23 installed on the support plate 2, and the circumferential outer wall of the piston cylinder 23 is provided with an intake pipe 24 and an exhaust pipe 25. The exhaust pipe 25 is connected to the hollow box 19. A reciprocating component is arranged in the piston cylinder 23, wherein the reciprocating component includes a guide column 26 installed in the piston cylinder 23 and symmetrically arranged, and a piston disk 27 is slidably installed in the guide column 26. An annular groove 22 is opened on the circumferential outer wall of the transmission rod 6, and a second limit block 28 slidably engaged with the annular groove 22 is arranged in the piston disk 27.

[0040] Furthermore, in order to ensure a better mixing effect of the grouting liquid, it is necessary to speed up the flow rate of the water pump so as to increase the contact range with the powder through the impact of the water flow. Two one-way valves are installed on the piston cylinder 23, one of which is connected to the air inlet pipe 24, and the other one-way valve is connected to the exhaust pipe 25. Under the action of the one-way valve, it can ensure that air can only enter the piston cylinder 23 through the air inlet pipe 24 and be transported to the hollow box 19 through the exhaust pipe 25. When the transmission rod 6 rotates, it drives the annular groove 22 to move. The annular groove 22 is composed of two spirally arranged grooves, and the number of spiral turns is half a turn. Under the action of the annular groove 22 and the second limit block 28, the piston disc 27 moves, and the piston disc 27 will move along the length direction of the guide column 26. Since the guide column 26 has a guide The effect of the piston disc 27 can ensure that the piston disc 27 moves along the length direction of the guide column 26 and will not rotate with the transmission rod 6. Under the action of the piston disc 27, the pressure in the piston cylinder 23 is reduced, so that the outside air is sucked into the piston cylinder 23 through the air inlet pipe 24. When the piston disc 27 moves to the end of the stroke toward the motor 5 side, the amount of gas in the piston cylinder 23 reaches a maximum. At this time, the transmission rod 6 continues to rotate, so that the piston disc 27 moves away from the motor 5 to push the gas in the piston cylinder 23 into the exhaust pipe 25 and transport it to the hollow box 19. The pressure in the hollow box 19 will increase, so that the water pressure in the hollow box 19 increases, thereby accelerating the rate at which the conduit 20 discharges water, and the impact force generated between the water flow and the powder increases, thereby enhancing the mixing effect on the grouting liquid.

[0041] Preferably, when the grouting liquid is mixed, the fluidity of the grouting liquid increases, the resistance to the stirring blade 10 decreases, the second spring 17 is elastically released, and drives the movable sleeve 15 to move toward the initial position, so that the hollow box 19 and the limiting sleeve 21 move toward the initial position. Under the action of the limiting sleeve 21, the feed trough 601 is blocked again, thereby achieving the effect of stopping adding water when the grouting liquid is mixed, so as to ensure the best mixing quality of the grouting liquid.

[0042] A mixing method of a grouting mixing device for temporary plugging and fracturing, comprising the following steps: Step 1: Place the powder to be mixed in the mixing barrel 1, and add the water to be mixed into the water storage box 3 through the delivery pipe 3; Step 2: Under the action of the stirring mechanism, the stirring blade 10 is driven by the support assembly to stir the material. The stirring blade 10 will be resisted by the material, causing the stirring blade 10 to deflect at a certain angle to drive the stirring mechanism to move; Step 3: The stirring mechanism also drives the conduction regulating mechanism to move, so that the water in the water storage box 3 is transported to the conduit 20 through the stirring mechanism and the conduction regulating mechanism, and then sprayed into the stirring barrel 1; Step 4: The stirring mechanism will also drive the booster pumping mechanism to move, and accelerate the pumping rate of the catheter 20 through the conduction and regulation mechanism.

[0043] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0044] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A grouting mixing device for temporary plugging and fracturing, comprising: A mixing barrel (1), and a support plate (2) mounted on the mixing barrel (1), wherein a water storage box (3) is arranged at the bottom of the mixing barrel (1), and a delivery pipe (4) is arranged on the water storage box (3); It is characterized by further comprising: a stirring mechanism, arranged on the stirring barrel (1) and connected to the water storage box (3), the stirring mechanism being connected to stirring blades (10) arranged symmetrically, the stirring mechanism being provided with a supporting assembly connected to the stirring blades (10), the stirring mechanism being capable of driving the stirring blades (10) to move via the supporting assembly; a conduction regulating mechanism, arranged on the stirring mechanism, the conduction regulating mechanism being connected to a plurality of ducts (20) equidistantly distributed in a circumference, the conduction regulating mechanism being capable of operating when the stirring mechanism moves, so as to discharge the solution in the water storage box (3) through the ducts (20); A booster pumping mechanism is arranged in the stirring barrel (1) and connected to the stirring mechanism, and the booster pumping mechanism is capable of adjusting the pressure in the conduit (20) through the conduction regulating mechanism when the stirring mechanism moves.

2. A grouting mixing device for temporary plugging and fracturing according to claim 1, characterized in that: The stirring mechanism comprises a motor (5) mounted on the support plate (2); a transmission rod (6) penetrating the stirring barrel (1) and connected to an output shaft of the motor (5) is rotatably mounted on the support plate (2); the transmission rod (6) is connected to the water storage box (3); and a driven component is arranged on the transmission rod (6).

3. A grouting mixing device for temporary plugging and fracturing according to claim 2, characterized in that: The driven assembly comprises a receiving plate (7) mounted on the transmission rod (6), a rotating rod (9) being rotatably mounted on the receiving plate (7), a rotating plate (8) being provided on the rotating rod (9), and the rotating plate (8) being slidably connected to the stirring blade (10).

4. A grouting mixing device for temporary plugging and fracturing according to claim 3, characterized in that: The support assembly comprises a support sleeve (11) which is symmetrically mounted in the rotating plate (8), a movable rod (12) being slidably mounted in the support sleeve (11), a first spring (13) being sleeved on the support sleeve (11) and the movable rod (12), and two ends of the first spring (13) respectively abutting against the rotating plate (8) and the stirring blade (10); It also includes a slot (1101) provided on the support sleeve (11), and the movable rod (12) is provided with a protrusion (1201) slidably connected to the slot (1101).

5. A grouting mixing device for temporary plugging and fracturing according to claim 3, characterized in that: The conduction regulating mechanism comprises a movable sleeve (15) slidably mounted on the rotating rod (9); a second spring (17) is sleeved on the rotating rod (9) and abuts against the movable sleeve (15); a connecting plate (18) is provided on the side wall of the movable sleeve (15) and is slidably connected to the transmission rod (6); and a lifting assembly connected to the movable sleeve (15) is provided on the rotating rod (9).

6. A grouting mixing device for temporary plugging and fracturing according to claim 5, characterized in that: The lifting assembly comprises a spiral groove (14) formed on the rotating rod (9), the inner wall of the movable sleeve (15) is provided with a first limit block (16) slidably engaged with the spiral groove (14), and the connecting plate (18) is provided with a discharge structure.

7. A grouting mixing device for temporary plugging and fracturing according to claim 6, characterized in that: The discharge structure comprises a hollow box (19) mounted on the connecting plate (18) and slidably connected to the transmission rod (6); the hollow box (19) is fixedly connected to the guide tube (20); a limiting sleeve (21) is provided on the hollow box (19) and is slidably and sealingly connected to the transmission rod (6); and a feeding trough (601) is provided on the transmission rod (6) and cooperates with the limiting sleeve (21).

8. A grouting mixing device for temporary plugging and fracturing according to claim 7, characterized in that: The booster pumping mechanism comprises a piston cylinder (23) mounted on the support plate (2), an air intake pipe (24) and an exhaust pipe (25) being arranged on the circumferential outer wall of the piston cylinder (23), the exhaust pipe (25) being connected to the hollow box (19), and a reciprocating assembly being arranged inside the piston cylinder (23).

9. A grouting mixing device for temporary plugging and fracturing according to claim 8, characterized in that: The reciprocating assembly comprises a guide column (26) installed in the piston cylinder (23) and arranged symmetrically, a piston disc (27) being slidably installed in the guide column (26), an annular groove (22) being provided on the circumferential outer wall of the transmission rod (6), and a second limit block (28) being slidably engaged with the annular groove (22) being provided in the piston disc (27).

10. A mixing method of a grouting mixing device for temporary plugging and fracturing, using the grouting mixing device for temporary plugging and fracturing as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: placing the powder to be mixed in the mixing barrel (1), and adding the water to be mixed into the water storage box (3) through the delivery pipe (3); Step 2: Under the action of the stirring mechanism, the stirring blade (10) is driven by the support component to stir the material. The stirring blade (10) will be subjected to resistance from the material, causing the stirring blade (10) to deflect at a certain angle, thereby driving the stirring mechanism to move; Step 3: The stirring mechanism also drives the conduction regulating mechanism to move, so that the water in the water storage box (3) is transported to the conduit (20) through the stirring mechanism and the conduction regulating mechanism, and then sprayed into the stirring barrel (1); Step 4: The stirring mechanism will also drive the booster pumping mechanism to move, and accelerate the pumping rate of the catheter (20) through the conduction and regulation mechanism.

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