CN105715211A - Comprehensive experimental facility for breaking rocks with steel particle jet impact - Google Patents
Comprehensive experimental facility for breaking rocks with steel particle jet impact Download PDFInfo
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- CN105715211A CN105715211A CN201610131264.XA CN201610131264A CN105715211A CN 105715211 A CN105715211 A CN 105715211A CN 201610131264 A CN201610131264 A CN 201610131264A CN 105715211 A CN105715211 A CN 105715211A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 138
- 239000010959 steel Substances 0.000 title claims abstract description 138
- 239000011435 rock Substances 0.000 title claims abstract description 75
- 239000002245 particle Substances 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 230000001105 regulatory effect Effects 0.000 claims abstract description 26
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000012360 testing method Methods 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 238000002474 experimental method Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000010438 granite Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 2
- 230000003116 impacting effect Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 abstract description 3
- 239000003208 petroleum Substances 0.000 description 4
- 241000339215 Cicerbita azurea Species 0.000 description 2
- 239000004579 marble Substances 0.000 description 2
- -1 sandstone etc. Substances 0.000 description 2
- 102000016938 Catalase Human genes 0.000 description 1
- 108010053835 Catalase Proteins 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 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
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
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- Mining & Mineral Resources (AREA)
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- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Physics & Mathematics (AREA)
- Earth Drilling (AREA)
Abstract
The invention belongs to the field of oil drilling, and in particular relates to a comprehensive experimental facility for breaking rocks with steel particle jet impact. The comprehensive experimental facility comprises a water storage tank, a high-pressure pump, a high-pressure pipeline, a pressure gauge, high-pressure sphere tanks, an auger conveying device, a high-pressure valve, a test stand, a high-pressure experimental wellbore, rocks, a mortar pump, an injection type funnel, a hydraulic power unit, a hydraulic pipeline, a mass flow meter and a high-pressure diverting valve etc., wherein the auger conveying device can control the particle concentration of high-pressure water flow, the mass flow meter can be used for measuring and judging whether injection of steel particles is completed or not, the confining pressure of steel particle jet rock breaking can be regulated by a pressure regulating nozzle, and the two high-pressure sphere tanks work alternatively so that steel particles can be injected uninterruptedly into the high-pressure pipeline. The particles are delivered along with liquid, and the system drive is achieved by a hydraulic motor. The comprehensive experimental facility can be used for carrying out experimental analysis of the effect law of various parameters such as hydraulic power, lithological characters and jet on rock breaking efficiency, which provides theoretical guidance and equipment support for popularization and application of the technology of particle impact drilling.
Description
Technical field
The present invention relates to the comprehensive experimental device of the broken rock of a kind of steel grit jet impulse, belong to field of oil drilling.
Background technology
Along with being continuously increased of petroleum resources demand, it is constantly exhausted that existing shallow-layer easily exploits petroleum resources, the exploration and development of petroleum resources gradually turn to deep well hard formation and bad ground.In the drilling process on such stratum, there is bit wear serious, the number of times that makes a trip is frequent, drill tool wear serious, the problems such as hole deviation occur, and has had a strong impact on the bit speed on such stratum, adds the cost of petroleum resources exploitation.Particle impact drilling technology by adding a certain proportion of steel grit in drilling fluid, steel grit is under drilling fluid carries, uniformly with drilling fluid mixed and arrive the mixture of downhole drill bit, steel grit and drilling fluid and spray from bit nozzle, with the velocity shock fractured rock higher than 100m/s.This technology changes the broken rock mode of conventional bit, achieve the combined-breaking rock that steel grit impacts and drill bit is mechanical, by the impact kinetic energy of high-velocity particles, changing into can in catalase, the moment of rock surface is impacted at high-velocity particles, great instant contact stress is produced in very short time, this stress greatly exceed the strength degree of rock, the large volume causing rock crushes, rock produces the broken rear intensity of large volume to be reduced rapidly, Cutter is easy to broken residue rock, effectively raises the rate of penetration of drilling well.The broken rock of steel grit jet impulse relates to the various parameters such as waterpower (confined pressure, concentration, time, discharge capacity, steel grit material, steel grit diameter, nozzle diameter etc.), lithology (griotte, sandstone, granite, igneous rock etc.), jet (angle, spray base, jet velocity, translational speed etc.), how to determine the broken Cicerbita azurea (Ledeb.) Beavuerd number of optimum, play jet energy to greatest extent and be particularly important.By laboratory experiment obtain steel grit jet efficiency of breaking rock with each waterpower, lithology, each parameter of jet Changing Pattern, and then show that the broken Cicerbita azurea (Ledeb.) Beavuerd array of optimum is closed, be a kind of efficiently, the research method of science.The parameter that the broken rock of steel grit jet relates to is more, how to realize the parameters experimental analysis to efficiency of breaking rock on same experimental provision, is the problem needing solution badly.
The present invention proposes the comprehensive experimental device of the broken rock of a kind of steel grit jet impulse, it is achieved that an experimental provision can carry out the various parameters experimental analysiss to the affecting laws of efficiency of breaking rock such as particle stream flow broken rock waterpower (confined pressure, concentration, time, discharge capacity, steel grit material, steel grit diameter, nozzle diameter etc.), lithology (griotte, sandstone, granite, igneous rock etc.), jet (angle, spray base, jet velocity, translational speed etc.).
Summary of the invention
The technical problem to be solved in the present invention is: provide one to be capable of carrying out the Special experimental apparatus that the affecting laws of efficiency of breaking rock is tested by the various parameters such as particle stream flow broken rock waterpower (confined pressure, concentration, time, discharge capacity, steel grit material, steel grit diameter, nozzle diameter etc.), lithology (griotte, sandstone, granite, igneous rock etc.), jet (angle, spray base, jet velocity, translational speed etc.).
The broken rock comprehensive experimental device of steel grit jet impulse of the present invention by water tank, low-pressure line, high-pressure pump, Pressure gauge, high pressure sphere tank, high pressure line, high pressure valve, helix transporting device, hydraulic motor, mortar pump, penetrate suction funnel, butterfly valve, test stand, High-Voltage Experimentation pit shaft, rock, adjustment nozzle, hydraulic workstation, hydraulic line, mass flowmenter, high-pressure shunting valve form.Water tank is cuboid storage tank, and the water that storage experiment is required, water tank respectively exports and is mounted on defecator.High-pressure pump and water tank are connected by low pressure hose, and high pressure pump inlet pipeline switch is by butterfly valve control.High-pressure pump is made up of motor, reductor, plunger displacement pump three part, provides the power resources of water under high pressure for experiment.High-pressure shunting valve is arranged on the outlet line of high-pressure pump, by regulating the size of high-pressure shunting valve, it is possible to control to enter into the flow of the fluid of High-Voltage Experimentation pit shaft, namely can regulate the flow of the broken rock of steel grit jet.The water under high pressure that high-pressure pump pumps is delivered to the helix transporting device bottom high pressure sphere tank by high pressure line, and high pressure line is by high pressure valve control, and pressure is by gauge measurement.High pressure sphere tank cylinder is spherical, and high pressure sphere tank utilizes T-shaped supporting leg to support.High pressure sphere tank lower part outlet connects helix transporting device, and helix transporting device is by five-pointed star fluid motor-driven, and power is from hydraulic workstation.The screw rod of helix transporting device rotates under the driving of five-pointed star hydraulic motor, being rotated by particle in high pressure sphere tank is transported in high pressure line, water under high pressure mixing in steel grit and high pressure line, form the mixed liquor of steel grit and water under high pressure, mixed liquor flows through mass flowmenter, by the flow of water under high pressure and the particle passed through can be drawn after calculating, and the concentration that particle is in mixed liquor.Mixed liquor continues through high pressure line conveying, is delivered in High-Voltage Experimentation pit shaft, and High-Voltage Experimentation pit shaft is fixed by experiment frame.Mixed liquor enters in High-Voltage Experimentation pit shaft, passes sequentially through Steel Tube Special, regulates joint, finally spray from high pressure nozzle, forms steel grit jet, and steel grit jet impulse, to rock, completes steel grit jet rock break-off process.Regulate joint and can regulate the angle of high pressure nozzle, the therefore ejection angle of scalable steel grit jet.Experiment pit shaft confined pressure is measured by the high pressure gauge received on High-Voltage Experimentation pit shaft urceolus.Rock type is marble, granite, sandstone etc., and rock bottom, for regulating pad, regulates pad scalable rock distance jet expansion distance, both the spray base of the broken rock of scalable steel grit jet.Regulating pad and power transmission shaft connects, power transmission shaft is connected with five-pointed star hydraulic motor, and five-pointed star hydraulic motor power is provided by hydraulic workstation, can be regulated the rotary speed of rock by the rotating speed of governor motor, namely can regulate the translational speed of steel grit jet.The top of High-Voltage Experimentation pit shaft connects pressure regulation nozzle, by regulating the internal diameter of pressure regulation nozzle, the pressure in scalable High-Voltage Experimentation pit shaft, namely can regulate the confined pressure of the broken rock of steel grit jet.Fluid is delivered in water tank by low-pressure line after flowing out from adjustment nozzle.
High pressure sphere tank has three mouths, respectively upper feed inlet, top overfall and bottom discharging opening.Upper feed inlet turns low pressure valve, low-pressure line by high pressure line, high pressure and penetrates suction funnel connection.Top overfall turns low pressure valve by high pressure line, high pressure, low-pressure line is connected with water tank.High pressure sphere tank has two, 1# high pressure sphere tank and 2# high pressure sphere tank.When high pressure sphere tank 1 works, steel grit enters into high pressure line from bottom discharging opening and water under high pressure mixing, and now 2# high pressure sphere tank carries out the reinforced process of steel grit.After 1# high pressure sphere tank steel grit uses, 2# high pressure sphere tank is started working, and steel grit is transported in high pressure line by helix transporting device, and now 1# high pressure sphere tank proceeds by the reinforced process of steel grit.By the alternate feeding of two high pressure sphere tanks and injection, it is achieved that steel grit is continual to be injected in high pressure line.
The reinforced process of steel grit is: mortar pump sucks water from water tank, after mortar pump pressurizes, suction funnel is penetrated after mortar pump, penetrate in suction funnel and fill particle, current are after jet funnel, negative pressure is formed at its lower portion, due under the effect of negative pressure, open after penetrating suction funnel butterfly valve, the current mixing that in funnel, particle can constantly fall and flow through, steel grit through low-pressure line, high pressure line, is entered in high pressure sphere tank by the upper feed inlet of high pressure sphere tank and stores under the carrying of current, and steel grit deposits to pot bottom under gravity.Excess fluid overflows from the top overfall of high pressure sphere tank, and the fluid of spilling passes through high pressure line, low-pressure line, stream in water tank.
The invention has the beneficial effects as follows:
High-pressure shunting valve is arranged on the outlet line of high-pressure pump, by regulating the size of high-pressure shunting valve, it is possible to control to enter into the flow of the fluid of High-Voltage Experimentation pit shaft, namely can regulate the flow of the broken rock of steel grit jet.The water under high pressure that high-pressure pump pumps is transported to the helix transporting device bottom high pressure sphere tank, the screw rod of helix transporting device rotates with certain speed, can ensure that steel grit is with design concentration, uniform and stable joins in water under high pressure, ensure that the uniform and stable property of steel grit concentration in steel grit jet, the rotating speed of adjusting screw rod, can control the particle concentration in High-Pressure Water.Screw rod is by fluid motor-driven, and hydraulically powered controllability is strong, stable height.High-Voltage Experimentation pit shaft front end high pipeline quality of connection effusion meter, the flow of steel grit and water and the volumetric concentration of steel grit can be obtained through, and by calculating the steel grit amount having passed through, the surplus of steel grit in high pressure sphere tank can be calculated, thus whether the steel grit judged in high pressure sphere tank injects complete.
High-Voltage Experimentation pit shaft can carry out the broken rock experiment of steel grit jet of high pressure.Regulate joint and can regulate the angle of high pressure nozzle, the therefore ejection angle of scalable steel grit jet.Experiment pit shaft confined pressure is measured by the high pressure gauge received on High-Voltage Experimentation pit shaft urceolus.Rock type is marble, granite, sandstone etc., and rock bottom, for regulating pad, regulates pad scalable rock distance jet expansion distance, both the spray base of the broken rock of scalable steel grit jet.The rotary speed of rock can be regulated by the rotating speed of governor motor, namely can regulate the translational speed of steel grit jet.The top of High-Voltage Experimentation pit shaft connects pressure regulation nozzle, by regulating the internal diameter of pressure regulation nozzle, the pressure in scalable High-Voltage Experimentation pit shaft, namely can regulate the confined pressure of the broken rock of steel grit jet.Power transmission shaft adopts K formula to seal structure, is realized the movable sealing of system high pressure by multiple K formula sealing ring superpositions.High pressure static seal between upper flange plate and Steel Tube Special adopts combination sealing coil structures, realizes high pressure static seal by seal box and multiple O, is effectively improved system sealing efficiency and life-span.
High pressure sphere tank is spheroid, the good pressure-resistant performance of spherical high-pressure tank, and under same volume, the pressure pan of spheroid form is prone to processing, and wall thickness is little, lightweight.Profile is spheroid, after steel grit enters from upper feed inlet, it is possible to fall smoothly bottom high pressure sphere tank, is also beneficial to the smooth discharge of steel grit.By the alternate feeding of two high pressure sphere tanks and injection, it is achieved that steel grit is continual to be injected in high pressure line.Steel grit join high pressure sphere tank excessively in, there is first time mixing in steel grit and water, steel grit is by after helix transporting device from high pressure sphere tank, and second time mixing occurs for steel grit and the current in high pressure line, can ensure that, by the mixing of twice, the mixing that steel grit and water can be good.By penetrating suction funnelling, current, after jet funnel, form negative pressure at its lower portion, under the effect of negative pressure, open and penetrate suction funnel butterfly valve, particle and current mixing, stored under the carrying of current in high pressure sphere tank, and this liquid carries the mode of conveying, conveying is stable, transporting velocity is fast, and efficiency is high, it is possible to being carried in high high pressure line by steel grit of safety at short notice.The helix transporting device of experimental system, High-Voltage Experimentation pit shaft rock rotate, and drive each through hydraulic motor, and power is provided by hydraulic workstation, the mode of this liquid driven, the dynamical stability of driving, and controllability is strong, has higher efficiency and safety.
Accompanying drawing explanation
Fig. 1 is the operating diagram of the present invention.
In figure: 1, water tank 2, 1# butterfly valve 3, high pressure pump inlet pipeline 4, high-pressure pump 5, high pressure line 6, high pressure line Pressure gauge 7, 1# high pressure sphere tank 8, 2# high pressure sphere tank 9, 1# helix transporting device 10, 2# helix transporting device 11, 1# high pressure valve 12, 2# high pressure valve 13, 3# high pressure valve 14, 4# high pressure valve 15, 5# high pressure valve 16, 6# high pressure valve 17, High-Voltage Experimentation pit shaft suction line 18, High-Voltage Experimentation pit shaft inlet pressure gauge 19, test stand 20, High-Voltage Experimentation pit shaft 21, rock 22, pressure regulation nozzle 23, High-Voltage Experimentation pit shaft outlet line 24, mortar pump suction line 25, 2# butterfly valve 26, penetrate suction funnel 27, mortar pump 28, 1# high pressure turns low pressure valve 29, 2# high pressure turns low pressure valve 30, overflow line 31, 3# high pressure turns low pressure valve 32, 4# high pressure turns low pressure valve 33, hydraulic workstation 34, hydraulic line 35, mass flowmenter 36, supporting surface 37, high-pressure shunting valve.
Fig. 2 is the generalized section of the high pressure sphere tank of the present invention.
In figure: 7-1, spherical tank outer wall 7-2, upper feed inlet 7-3, top overfall 7-4, bottom discharging opening 7-5, supporting leg.
Fig. 3 is the generalized section of High-Voltage Experimentation pit shaft of the present invention.
In figure: 20-1, connecting tube 20-2, upper flange plate 20-3, confined pressure Pressure gauge 20-4, Pressure gauge installing port 20-5, confined pressure urceolus 20-6, adjustment pad 20-7, lower flange 20-8, power transmission shaft 20-9, five-pointed star hydraulic motor 20-10, K formula seal 20-11, high pressure nozzle 20-12, regulate joint 20-13, Steel Tube Special 20-14, pressure regulation nozzle installing port 20-15, combined seal ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further:
As shown in Figure 1, steel grit jet impulse of the present invention breaks rock comprehensive experimental device, including water tank 1, 1# butterfly valve 2, high pressure pump inlet pipeline 3, high-pressure pump 4, high pressure line 5, high pressure line Pressure gauge 6, 1# high pressure sphere tank 7, 2# high pressure sphere tank 8, 1# helix transporting device 9, 2# helix transporting device 10, 1# high pressure valve 11, 2# high pressure valve 12, 3# high pressure valve 13, 4# high pressure valve 14, 5# high pressure valve 15, 6# high pressure valve 16, High-Voltage Experimentation pit shaft suction line 17, High-Voltage Experimentation pit shaft inlet pressure gauge 18, test stand 19, High-Voltage Experimentation pit shaft 20, rock 21, pressure regulation nozzle 22, High-Voltage Experimentation pit shaft outlet line 23, mortar pump suction line 24, 2# butterfly valve 25, penetrate suction funnel 26, mortar pump 27, 1# high pressure turns low pressure valve 28, 2# high pressure turns low pressure valve 29, normal pressure overflow line 30, 3# high pressure turns low pressure valve 31, 4# high pressure turns low pressure valve 32, hydraulic workstation 33, hydraulic line 34, mass flowmenter 35, supporting surface 36, high-pressure shunting valve 37.Water tank 1 is cuboid storage tank, and water tank 1 respectively exports and is mounted on defecator.High-pressure pump 4 is connected with water tank 1 by high pressure pump inlet pipeline 3, and high pressure pump inlet pipeline 3 is provided with 1# butterfly valve 2, can control high-pressure pump water inlet.High-pressure shunting valve 37 is arranged on high pressure pump outlet pipeline, by regulating high-pressure shunting valve 37 valve size, it is possible to control to enter into the flow of High-Voltage Experimentation pit shaft 20 fluid, can control the discharge capacity of the broken rock flow body of steel grit jet.After high-pressure pump 4 pumps water under high pressure, it is delivered to the 1# helix transporting device 9 bottom 1# high pressure sphere tank 7 by high pressure line 5, high pressure line 5 is controlled by 1# high pressure valve 11,2# high pressure valve 12,3# high pressure valve 13,4# high pressure valve 14,5# high pressure valve 15,6# high pressure valve 16, and high pressure line 5 pressure is measured by high pressure line Pressure gauge 6.1# high pressure sphere tank 7,2# high pressure sphere tank 8 are spherical high-pressure tank, T-shaped supporting leg support.1# high pressure sphere tank 7,2# high pressure sphere tank 8 bottom discharging opening connect 1# helix transporting device 9,2# helix transporting device 10 respectively.1# helix transporting device 9,2# helix transporting device 10 are driven by five-pointed star hydraulic motor 20-9, and power is from hydraulic workstation 33.1# helix transporting device 9,2# helix transporting device 10 screw rod five-pointed star hydraulic motor 20-9 drive under rotate, the particle of 1# high pressure sphere tank 7,2# high pressure sphere tank 8 is rotated in high pressure line 5, the water mixing that steel grit and high-pressure pump 4 pump, form the mixed liquor of steel grit and water under high pressure, the flow of mixed liquor, steel grit concentration measured by mass flowmenter 35.Mixed liquor continues through High-Voltage Experimentation pit shaft suction line 17, reaches in High-Voltage Experimentation pit shaft 20, and High-Voltage Experimentation pit shaft 20 is fixed by experiment frame 19, and the inlet pressure of High-Voltage Experimentation pit shaft 20 is measured by High-Voltage Experimentation wellbore pressure table 18.Mixed liquor enters in High-Voltage Experimentation pit shaft 20, passes sequentially through Steel Tube Special 20-13, regulates joint 20-12, finally spray from high pressure nozzle 20-11, forms steel grit jet, and steel grit jet impulse, to rock 21, completes steel grit jet rock break-off process.The top of High-Voltage Experimentation pit shaft 20 connects pressure regulation nozzle 22, by regulating the internal diameter of pressure regulation nozzle 22, it is possible to regulate the pressure in High-Voltage Experimentation pit shaft, namely can regulate the confined pressure of system.Fluid is delivered in water tank 1 by High-Voltage Experimentation pit shaft outlet line 23 after flowing out from pressure regulation nozzle 22.
As in figure 2 it is shown, the internal structure of high pressure sphere tank, including spherical tank outer wall 7-1, upper feed inlet 7-2, top overfall 7-3, bottom discharging opening 7-4, supporting leg 7-5.Upper feed inlet 7-2 turns low pressure valve 28 and 2# high pressure turns low pressure valve 29, low-pressure line and penetrates suction funnel 26 and be connected through high pressure line, 1# high pressure.Top overfall 7-3 through high pressure line, 3# high pressure turns low pressure valve 31,4# high pressure turns low pressure valve 32, normal pressure overflow line 30 is connected with water tank 1.Bottom discharging opening 7-4 and 1# helix transporting device 9,2# helix transporting device 10 are connected.Spherical tank outer wall materials is Q345b steel alloy.The reinforced process of steel grit is: mortar pump 27 sucks water from water tank 1, after mortar pump 27 pressurizes, enter penetrating after pump and inhale funnel 26, penetrate in suction funnel 26 funnel and fill steel grit, current can form negative pressure at its lower portion after penetrating suction funnel 26, under the effect of negative pressure, particle and current mixing in funnel, through low-pressure line under the carrying of current, high pressure line, by 1# high pressure sphere tank 7, the upper feed inlet 7-2 of 2# high pressure sphere tank 8 enters into 1# high pressure sphere tank 7, 2# high pressure sphere tank 8 stores, steel grit constantly deposits to the bottom of high pressure sphere tank under gravity, unnecessary fluid overflows from the top overfall 7-3 of high pressure sphere tank, the fluid overflowed is through high pressure line, low-pressure line stream is in water tank 1.Steel grit to high pressure line adition process is: first 1# high pressure sphere tank work, opens 1# high pressure valve 11,3# high pressure valve 13,5# high pressure valve 15, closes 2# high pressure valve 12,4# high pressure valve 14,6# high pressure valve 16.Steel grit enters into 1# helix transporting device 9 from the bottom discharging opening 7-4 of 1# high pressure sphere tank, and under the effect of screw rod, steel grit constantly mixes with water under high pressure, enters in High-Voltage Experimentation pit shaft 20.After high pressure sphere tank 1 steel grit uses, 2# high pressure sphere tank is started working, open 2# high pressure valve 12,4# high pressure valve 14,6# high pressure valve 16, close 1# high pressure valve 11,3# high pressure valve 13,5# high pressure valve 15, steel grit enters into 2# helix transporting device 10 from the bottom discharging opening 7-4 of 2# high pressure sphere tank, under the effect of screw rod, steel grit constantly mixes with water under high pressure, enters in High-Voltage Experimentation pit shaft 20.
As shown in Figure 3, the internal structure of High-Voltage Experimentation pit shaft, including connecting tube 20-1, upper flange plate 20-2, high pressure pit shaft confined pressure Pressure gauge 20-3, Pressure gauge installing port 20-4, confined pressure urceolus 20-5, regulates pad 20-6, lower flange 20-7, power transmission shaft 20-8, five-pointed star hydraulic motor 20-9, K formula sealing 20-10, high pressure nozzle 20-11, adjustment joint 20-12, Steel Tube Special 20-13, adjustment nozzle installing port 20-14, combined seal ring 20-15.Connecting tube 20-1 is connected with High-Voltage Experimentation pit shaft suction line 17, the mixture of water under high pressure and steel grit passes through connecting tube 20-1, through bottom Steel Tube Special 20-13, enter and regulate in joint 20-12, last ejection from high pressure nozzle 20-11, form steel grit jet impulse fractured rock 21, after impacting rock, steel grit and water return in confined pressure urceolus 20-5 on starting, stream arrives pressure regulation nozzle 22, being delivered in water tank 1 through High-Voltage Experimentation pit shaft outlet line 23, pressure regulation nozzle 22 is arranged on the adjustment nozzle installing port 20-14 on confined pressure pit shaft 20-5 top.Upper flange plate 20-2 and lower flange 20-7 is respectively through being threadedly coupled in confined pressure urceolus 20-5.High pressure pit shaft confined pressure Pressure gauge 20-3 is arranged on the Pressure gauge installing port 20-4 on confined pressure pit shaft 20-5 top.Regulate joint 20-12 and can regulate the ejection angle of nozzle.Rock 21 bottom, for regulating pad 20-6, can regulate the distance of rock 21 distance high-voltage nozzle 20-11 outlet, both regulate spray base by regulating pad 20-6.Regulate pad 20-6 and power transmission shaft 20-8 to connect, power transmission shaft 20-8 is connected with five-pointed star hydraulic motor 20-9, five-pointed star hydraulic motor 20-9 power resources are hydraulic workstation 33, the rotary speed of rock 21, the i.e. translational speed of scalable steel grit jet can be regulated by regulating the rotating speed of five-pointed star hydraulic motor 20-9.Power transmission shaft 20-8 is sealed and adopts K formula sealing 20-10, K formula to seal the high pressure dynamic sealing being realized system by multiple K formula sealing ring superpositions.High pressure static seal between upper flange plate 20-2 and Steel Tube Special 20-13 adopts combined seal ring 20-15 structure, realizes high pressure static seal by seal box and multiple O.
Claims (6)
1. a comprehensive experimental device for the broken rock of steel grit jet impulse, including water tank (1), 1# butterfly valve (2), high pressure pump inlet pipeline (3), high-pressure pump (4), high pressure line (5), high pressure line Pressure gauge (6), 1# high pressure sphere tank (7), 2# high pressure sphere tank (8), 1# helix transporting device (9), 2# helix transporting device (10), 1# high pressure valve (11), 2# high pressure valve (12), 3# high pressure valve (13), 4# high pressure valve (14), 5# high pressure valve (15), 6# high pressure valve (16), High-Voltage Experimentation pit shaft suction line (17), High-Voltage Experimentation wellbore pressure table (18), test stand (19), High-Voltage Experimentation pit shaft (20), rock (21), pressure regulation nozzle (22), High-Voltage Experimentation pit shaft outlet line (23), mortar pump suction line (24), 2# normal pressure butterfly valve (25), penetrate suction funnel (26), mortar pump (27), 1# high pressure turns low pressure valve (28), 2# high pressure turns low pressure valve (29), normal pressure overflow line (30), 3# high pressure turns low pressure valve (31), 4# high pressure turns low pressure valve (32), hydraulic workstation (33), hydraulic line (34), mass flowmenter (35), supporting surface (36), high-pressure shunting valve (37)；Water tank 1 is cuboid storage tank, and water tank 1 respectively exports and is mounted on defecator；High-pressure pump 4 is connected with water tank 1 by high pressure pump inlet pipeline 3, and high pressure pump inlet pipeline 3 is provided with 1# butterfly valve 2, can control high-pressure pump water inlet；After high-pressure pump 4 pumps water under high pressure, it is delivered to the 1# helix transporting device 9 bottom 1# high pressure sphere tank 7 by high pressure line 5, high pressure line 5 is controlled by 1# high pressure valve 11,2# high pressure valve 12,3# high pressure valve 13,4# high pressure valve 14,5# high pressure valve 15,6# high pressure valve 16, and high pressure line 5 pressure is measured by high pressure line Pressure gauge 6；1# high pressure sphere tank 7,2# high pressure sphere tank 8 are spherical high-pressure tank, T-shaped supporting leg support；1# high pressure sphere tank 7,2# high pressure sphere tank 8 bottom discharging opening connect 1# helix transporting device 9,2# helix transporting device 10 respectively；1# helix transporting device 9,2# helix transporting device 10 are driven by five-pointed star hydraulic motor 20-9, and power is from hydraulic workstation 33；1# helix transporting device 9,2# helix transporting device 10 screw rod five-pointed star hydraulic motor 20-9 drive under rotate, the particle of 1# high pressure sphere tank 7,2# high pressure sphere tank 8 is rotated in high pressure line 5, the water mixing that steel grit and high-pressure pump 4 pump, form the mixed liquor of steel grit and water under high pressure, the flow of mixed liquor, steel grit concentration measured by mass flowmenter 35；Mixed liquor continues through High-Voltage Experimentation pit shaft suction line 17, reaches in High-Voltage Experimentation pit shaft 20, and High-Voltage Experimentation pit shaft 20 is fixed by experiment frame 19, and the inlet pressure of High-Voltage Experimentation pit shaft 20 is measured by High-Voltage Experimentation wellbore pressure table 18；Mixed liquor enters in High-Voltage Experimentation pit shaft 20, passes sequentially through Steel Tube Special 20-13, regulates joint 20-12, finally spray from high pressure nozzle 20-11, forms steel grit jet, and steel grit jet impulse, to rock 21, completes steel grit jet rock break-off process；The top of High-Voltage Experimentation pit shaft 20 connects pressure regulation nozzle 22, by regulating the internal diameter of pressure regulation nozzle 22, it is possible to regulate the pressure in High-Voltage Experimentation pit shaft, namely can regulate the confined pressure of system；Fluid is delivered in water tank 1 by High-Voltage Experimentation pit shaft outlet line 23 after flowing out from pressure regulation nozzle 22.
2. the comprehensive experimental device of the broken rock of steel grit jet impulse according to claim 1, it is characterized in that: high-pressure shunting valve 37 is arranged on high pressure pump outlet pipeline, by regulating high-pressure shunting valve 37 valve size, can control to enter into the flow of High-Voltage Experimentation pit shaft 20 fluid, the discharge capacity of the broken rock flow body of steel grit jet can be controlled；1# helix transporting device 9 bottom 1# high pressure sphere tank 7, screw rod rotates with given pace can ensure that steel grit joins in High-Pressure Water with certain rate uniform, ensure that the uniform and stable property of steel grit concentration in high-pressure spray, 1# helix transporting device 9 is controlled by five-pointed star hydraulic motor, can the rotating speed of adjusting screw rod by the rotating speed of governor motor, the speed that steel grit joins in water under high pressure can be controlled, and then realize the control of particle concentration in High-Pressure Water；The front end quality of connection effusion meter 35 of High-Voltage Experimentation pit shaft 20, the flow by steel grit and water can be drawn by mass flowmenter 35, obtain the volumetric concentration of steel grit in High-Pressure Water, the surplus of steel grit in high pressure sphere tank can be calculated simultaneously, and then it is complete to judge whether the particle in high pressure sphere tank injects；By regulating the valve size of high-pressure shunting valve 37, it is possible to control to enter into the flow of the fluid of High-Voltage Experimentation pit shaft 20, namely can control the flow of high pressure nozzle 20-11；The helix transporting device of experimental system, High-Voltage Experimentation pit shaft rock rotate, and drive each through hydraulic motor, and power is provided by hydraulic workstation, the mode of this liquid driven, the dynamical stability of driving, and controllability is strong, has higher efficiency and safety；By current after jet funnel 26, negative pressure is formed at its lower portion, under the effect of negative pressure, open and penetrate suction funnel butterfly valve, particle and current mixing, stored in high pressure sphere tank under the carrying of current, the steel grit of different-diameter and material in funnel, can be put into, it is achieved the broken rock experiment of different-diameter and material steel grit；This liquid carries the mode of conveying simultaneously, and conveying is stable, and transporting velocity is fast, and efficiency is high, it is possible to being transported in high pressure sphere tank by steel grit of safety at short notice.
3. the comprehensive experimental device of the broken rock of steel grit jet impulse according to claim 1, it is characterised in that: high pressure sphere tank includes spherical tank outer wall (7-1), upper feed inlet (7-2), top overfall (7-3), bottom discharging opening (7-4), supporting leg (7-5)；Upper feed inlet 7-2 turns low pressure valve 28 and 2# high pressure turns low pressure valve 29, low-pressure line and penetrates suction funnel 26 and connect through high pressure line, 1# high pressure；Top overfall 7-3 through high pressure line, 3# high pressure turns low pressure valve 31,4# high pressure turns low pressure valve 32, normal pressure overflow line 30 is connected with water tank 1；Bottom discharging opening 7-4 and 1# helix transporting device 9,2# helix transporting device 10 are connected；Spherical tank outer wall materials is Q345b steel alloy；The reinforced process of steel grit is: mortar pump 27 sucks water from water tank 1, after mortar pump 27 pressurizes, enter penetrating after pump and inhale funnel 26, penetrate in suction funnel 26 funnel and fill steel grit, current can form negative pressure at its lower portion after penetrating suction funnel 26, under the effect of negative pressure, particle and current mixing in funnel, through low-pressure line under the carrying of current, high pressure line, by 1# high pressure sphere tank 7, the upper feed inlet 7-2 of 2# high pressure sphere tank 8 enters into 1# high pressure sphere tank 7, 2# high pressure sphere tank 8 stores, steel grit constantly deposits to the bottom of high pressure sphere tank under gravity, unnecessary fluid overflows from the top overfall 7-3 of high pressure sphere tank, the fluid overflowed is through high pressure line, low-pressure line stream is in water tank 1；Steel grit to high pressure line adition process is: first 1# high pressure sphere tank work, opens 1# high pressure valve 11,3# high pressure valve 13,5# high pressure valve 15, closes 2# high pressure valve 12,4# high pressure valve 14,6# high pressure valve 16；Steel grit enters into 1# helix transporting device 9 from the bottom discharging opening 7-4 of 1# high pressure sphere tank, and under the effect of screw rod, steel grit constantly mixes with water under high pressure, enters in High-Voltage Experimentation pit shaft 20；After high pressure sphere tank 1 steel grit uses, 2# high pressure sphere tank is started working, open 2# high pressure valve 12,4# high pressure valve 14,6# high pressure valve 16, close 1# high pressure valve 11,3# high pressure valve 13,5# high pressure valve 15, steel grit enters into 2# helix transporting device 10 from the bottom discharging opening 7-4 of 2# high pressure sphere tank, under the effect of screw rod, steel grit constantly mixes with water under high pressure, enters in High-Voltage Experimentation pit shaft 20.
4. high pressure sphere tank according to claim 3, it is characterized in that: high pressure sphere tank 4 is spheroid, the good pressure-resistant performance of spherical high-pressure tank, under same volume, the pressure pan of spheroid form is prone to processing, wall thickness is little, lightweight, and profile is spheroid, after steel grit enters from upper feed inlet 7-2, can fall smoothly bottom high pressure sphere tank 4, be also beneficial to the timely discharge of steel grit；By 11# high pressure sphere tank 7, the alternate feeding of 2# high pressure sphere tank 8 and injection, it is achieved that steel grit is continual to be injected in high pressure line；Steel grit join high pressure sphere tank excessively in, there is first time mixing in steel grit and water；Steel grit is by after helix transporting device from high pressure sphere tank, and second time mixing occurs for steel grit and the current in high pressure line, can ensure that, by the mixing of twice, the mixing that steel grit and water can be good.
5. the comprehensive experimental device of the broken rock of steel grit jet impulse according to claim 1, it is characterized in that: High-Voltage Experimentation pit shaft includes connecting tube (20-1), upper flange plate (20-2), high pressure pit shaft confined pressure Pressure gauge (20-3), Pressure gauge installing port (20-4), confined pressure urceolus (20-5), regulate pad (20-6), lower flange (20-7), power transmission shaft (20-8), five-pointed star hydraulic motor (20-9), K formula seals (20-10), high pressure nozzle (20-11), regulate joint (20-12), Steel Tube Special (20-13), regulate nozzle installing port (20-14), combined seal ring (20-15)；Connecting tube 20-1 is connected with High-Voltage Experimentation pit shaft suction line 17, the mixture of water under high pressure and steel grit passes through connecting tube 20-1, through bottom Steel Tube Special 20-13, enter and regulate in joint 20-12, last ejection from high pressure nozzle 20-11, form steel grit jet impulse fractured rock 21, after impacting rock, steel grit and water return in confined pressure urceolus 20-5 on starting, stream arrives pressure regulation nozzle 22, being delivered in water tank 1 through High-Voltage Experimentation pit shaft outlet line 23, pressure regulation nozzle 22 is arranged on the adjustment nozzle installing port 20-14 on confined pressure pit shaft 20-5 top；Upper flange plate 20-2 and lower flange 20-7 is respectively through being threadedly coupled in confined pressure urceolus 20-5；High pressure pit shaft confined pressure Pressure gauge 20-3 is arranged on the Pressure gauge installing port 20-4 on confined pressure pit shaft 20-5 top；Regulating pad 20-6 and power transmission shaft 20-8 to connect, power transmission shaft 20-8 is connected with five-pointed star hydraulic motor 20-9, and five-pointed star hydraulic motor 20-9 power resources are hydraulic workstation 33.
6. pit shaft is tested in compacting according to claim 5, it is characterised in that: High-Voltage Experimentation pit shaft 20 material is high strength steel；Regulate joint 20-12 and can regulate the ejection angle of nozzle；Rock 21 bottom, for regulating pad 20-6, can regulate the distance of rock 21 distance high-voltage nozzle 20-11 outlet, both regulate spray base by regulating pad 20-6；The rotary speed of rock 21, the i.e. translational speed of scalable steel grit jet can be regulated by regulating the rotating speed of five-pointed star hydraulic motor 20-9；Rock 21 type is griotte, sandstone, granite, igneous rock etc., it is possible to replace；The top of High-Voltage Experimentation pit shaft 20 connects pressure regulation nozzle 22, by regulating the internal diameter of pressure regulation nozzle 22, it is possible to regulate the pressure in High-Voltage Experimentation pit shaft, namely can regulate the confined pressure of system；Power transmission shaft 20-8 is sealed and adopts K formula sealing 20-10, K formula to seal the high pressure dynamic sealing being realized system by multiple K formula sealing ring superpositions；High pressure static seal between upper flange plate 20-2 and Steel Tube Special 20-13 adopts combined seal ring 20-15 structure, realizes high pressure static seal by seal box and multiple O.
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