CN105715211B - Steel grit jet impulse broken rock comprehensive experimental device - Google Patents
Steel grit jet impulse broken rock comprehensive experimental device Download PDFInfo
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- CN105715211B CN105715211B CN201610131264.XA CN201610131264A CN105715211B CN 105715211 B CN105715211 B CN 105715211B CN 201610131264 A CN201610131264 A CN 201610131264A CN 105715211 B CN105715211 B CN 105715211B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 140
- 239000010959 steel Substances 0.000 title claims abstract description 140
- 239000011435 rock Substances 0.000 title claims abstract description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000002245 particle Substances 0.000 claims abstract description 21
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000002474 experimental method Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 239000010438 granite Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 5
- -1 mixing flow quantity Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 241001511493 Matthiola fruticulosa Species 0.000 claims 1
- 230000003319 supportive effect Effects 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000003208 petroleum Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000004579 marble Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 102000016938 Catalase Human genes 0.000 description 1
- 108010053835 Catalase Proteins 0.000 description 1
- 238000000151 deposition Methods 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
- 238000009434 installation Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000008141 laxative Substances 0.000 description 1
- 230000002475 laxative effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- 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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- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- 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 field of oil drilling, more particularly to a kind of comprehensive experimental device of steel grit jet impulse broken rock, including water tank, high-pressure pump, high pressure line, pressure gauge, high pressure sphere tank, helix transporting device, high pressure valve, test stand, High-Voltage Experimentation pit shaft, rock, mortar pump, penetrate and inhale funnel, hydraulic workstation, hydraulic line, mass flowmenter, high-pressure shunting valve etc..Helix transporting device can control the particle concentration in High-Pressure Water.Mass flowmenter is measurable to be judged whether steel grit injects and finishes.Pressure regulation nozzle can adjust the confined pressure of steel grit jet broken rock.Two high pressure sphere tank alternations realize that steel grit is continual to be injected into high pressure line.Particle is carried using liquid by the way of conveying.System drive is completed by hydraulic motor.The device can carry out affecting laws experimental analysis of the various parameters such as waterpower, lithology, jet to efficiency of breaking rock, and the popularization and application for particle impact drilling technology provide theoretical direction and equipment supports.
Description
Technical field
The present invention relates to a kind of comprehensive experimental device of steel grit jet impulse broken rock, belong to field of oil drilling.
Background technology
With being continuously increased for petroleum resources demand, it is constantly exhausted that existing shallow-layer easily exploits petroleum resources, oil money
The exploration and development in source gradually turns to deep well hard formation and bad ground.In the drilling process on such stratum, bit grinding be present
Damage is serious, and the number that makes a trip is frequent, drill tool wear is serious, the problems such as hole deviation occurs, and has had a strong impact on the drilling well speed on such stratum
Degree, add the cost of petroleum resources exploitation.Particle impact drilling technology by adding a certain proportion of steel grit in drilling fluid,
Steel grit uniformly and reaches downhole drill bit under drilling fluid carrying, with drilling fluid mixed, and the mixture of steel grit and drilling fluid is from drill bit
Nozzle sprays, with the velocity shock fractured rock higher than 100m/s.The technology changes the broken rock mode of conventional bit, realizes
Steel grit impacts and the combined-breaking rock of drill bit machinery, by the impact kinetic energy of high-velocity particles, catalase interior energy is changed into, in high speed grain
The moment on sub- impact rock surface, great instant contact stress is produced in very short time, the stress greatly exceed rock
Strength degree, cause the large volume of rock to crush, rock produce large volume it is broken after intensity reduce rapidly, Cutter is very
Remaining rock is easily broken, effectively raises the rate of penetration of drilling well.Steel grit jet impulse broken rock be related to waterpower (confined pressure,
Concentration, time, discharge capacity, steel grit material, steel grit diameter, nozzle diameter etc.), lithology (griotte, sandstone, granite, igneous rock
Deng), jet (angle, spray away from, jet velocity, translational speed etc.) etc. various parameters, how to determine optimal broken rock parameter, most
Limits play jet energy and are particularly important.Steel grit jet efficiency of breaking rock is obtained with each waterpower, rock by laboratory experiment
Property, the changing rule of each parameter of jet, and then draw optimal broken rock parameter combination, be it is a kind of efficiently, the research method of science.
The parameter that steel grit jet broken rock is related to is more, and experiment of the parameters to efficiency of breaking rock how is realized on same experimental provision
The problem of analysis is urgent need to resolve.
The present invention proposes a kind of comprehensive experimental device of steel grit jet impulse broken rock, and realizing an experimental provision can enter
Row particle stream flow broken rock waterpower (confined pressure, concentration, time, discharge capacity, steel grit material, steel grit diameter, nozzle diameter etc.), lithology are (big
Manage rock, sandstone, granite, igneous rock etc.), jet (angle, spray away from, jet velocity, translational speed etc.) etc. various parameters to broken
The experimental analysis of the affecting laws of rock efficiency.
The content of the invention
The technical problem to be solved in the present invention is：There is provided one kind can realize that to carry out particle stream flow broken rock waterpower (confined pressure, dense
Degree, time, discharge capacity, steel grit material, steel grit diameter, nozzle diameter etc.), lithology (griotte, sandstone, granite, igneous rock etc.),
Jet (angle, spray away from, jet velocity, translational speed etc.) etc. various parameters special reality that the affecting laws of efficiency of breaking rock are tested
Experiment device.
Steel grit jet impulse broken rock comprehensive experimental device of the present invention is by water tank, low-pressure line, high-pressure pump, pressure
Table, high pressure sphere tank, high pressure line, high pressure valve, helix transporting device, hydraulic motor, mortar pump, penetrate inhale funnel, butterfly valve, experiment
Frame, High-Voltage Experimentation pit shaft, rock, pressure regulation nozzle, hydraulic workstation, hydraulic line, mass flowmenter, high-pressure shunting valve group into.
Water tank is cuboid storage tank, the water needed for storage experiment, and respectively outlet is mounted on filter to water tank.High-pressure pump and water storage
Tank is connected by low pressure hose, and high pressure pump inlet pipeline switch is controlled by butterfly valve.High-pressure pump is by motor, reductor, plunger pump three
Part is formed, and the power resources of water under high pressure are provided for experiment.High-pressure shunting valve is arranged on the outlet line of high-pressure pump, passes through tune
The size of high-pressure shunting valve is saved, the flow for the fluid for entering High-Voltage Experimentation pit shaft can be controlled, you can to adjust steel grit jet
The flow of broken rock.The water under high pressure that high-pressure pump pumps out is delivered to the helix transporting device of high pressure sphere tank bottom by high pressure line, high
Pressure pipeline is controlled by high pressure valve, and pressure is by gauge measurement.High pressure sphere tank cylinder is spherical, and high pressure sphere tank utilizes T-shaped supporting leg
Support.High pressure sphere tank lower part outlet connects helix transporting device, and helix transporting device is come from by five-pointed star fluid motor-driven, power
Hydraulic workstation.The screw rod of helix transporting device is rotated under the driving of five-pointed star hydraulic motor, and the particle in high pressure sphere tank is revolved
Transfer and be sent in high pressure line, the water under high pressure mixing in steel grit and high pressure line, form the mixed liquor of steel grit and water under high pressure, mix
Liquid stream is through mass flowmenter, and by that can draw the flow of the water under high pressure passed through and particle after calculating, and particle is in mixed liquor
Concentration.Mixed liquor continues through high pressure line conveying, is delivered in High-Voltage Experimentation pit shaft, High-Voltage Experimentation pit shaft is consolidated by experiment frame
It is fixed.Mixed liquor enters in High-Voltage Experimentation pit shaft, passes sequentially through Steel Tube Special, regulation joint, finally sprays, formed from high pressure nozzle
Steel grit jet, on steel grit jet impulse to rock, complete steel grit jet rock break-off process.Regulation joint can adjust high pressure nozzle
Angle, therefore the ejection angle of adjustable steel grit jet.Experiment pit shaft confined pressure is by the high pressure that is connected on High-Voltage Experimentation pit shaft outer barrel
Table measures.Rock type is marble, granite, sandstone etc., and rock bottom be adjusting gasket, the adjustable rock of adjusting gasket away from
With a distance from jet expansion, both can adjust the spray of steel grit jet broken rock away from.Adjusting gasket and transmission axis connection, power transmission shaft and five-pointed star liquid
Pressure motor is connected, and five-pointed star hydraulic motor power is provided by hydraulic workstation, and rock can be adjusted by the rotating speed for adjusting motor
Rotary speed, you can to adjust the translational speed of steel grit jet.The top connection pressure regulation nozzle of High-Voltage Experimentation pit shaft, passes through regulation
The internal diameter of pressure regulation nozzle, it can adjust the pressure in High-Voltage Experimentation pit shaft, you can to adjust the confined pressure of steel grit jet broken rock.Fluid from
After the outflow of pressure regulation nozzle, it is delivered to by low-pressure line in water tank.
High pressure sphere tank has three mouths, respectively upper feed inlet, top overfall and bottom discharging opening.Upper feed inlet leads to
Cross high pressure line, high pressure turns low pressure valve, low-pressure line connects with suction funnel is penetrated.Top overfall passes through high pressure line, high pressure
Turn low pressure valve, low-pressure line is connected with water tank.High pressure sphere tank has two, 1# high pressure sphere tanks and 2# high pressure sphere tanks.1# high pressures
When spherical tank works, steel grit is entered from bottom discharging opening in high pressure line and water under high pressure mixing, and now 2# high pressure sphere tanks carry out steel
The charging process of grain.After 1# high pressure sphere tank steel grit uses, 2# high pressure sphere tanks are started working, and steel grit is filled by helical feed
Put and be transported in high pressure line, now 1# high pressure sphere tanks proceed by the charging process of steel grit.Pass through the friendship of two high pressure sphere tanks
For feeding and injecting, realize that steel grit is continual to be injected into high pressure line.
The charging process of steel grit is：Mortar pump sucks water from water tank, after mortar pump pressurizes, behind mortar pump
Penetrate suction funnel, penetrate inhale funnel in fill particle, current after jet funnel, its lower portion formed negative pressure, due to negative pressure
In the presence of, after opening penetrates suction funnel butterfly valve, the current that particle constantly can fall and flow through in funnel mix, and steel grit is in current
By low-pressure line, high pressure line under carrying, entered by the upper feed inlet of high pressure sphere tank in high pressure sphere tank and stored, steel grit
Pot bottom is deposited 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, flow in water tank.
The beneficial effects of the invention are as follows：
High-pressure shunting valve is arranged on the outlet line of high-pressure pump, by adjusting the size of high-pressure shunting valve, can be controlled
Enter the flow of the fluid of High-Voltage Experimentation pit shaft, you can to adjust the flow of steel grit jet broken rock.The high pressure that high-pressure pump pumps out
Water is transported to the helix transporting device of high pressure sphere tank bottom, and the screw rod of helix transporting device is rotated with certain speed, it is ensured that
With design concentration, uniform and stable is added in water under high pressure steel grit, ensure that the uniform and stable property of steel grit concentration in steel grit jet,
The rotating speed of adjusting screw rod, you can the particle concentration in control High-Pressure Water.Screw rod by fluid motor-driven, hydraulic-driven it is controllable
Property it is strong, it is stable high.High-Voltage Experimentation pit shaft front end high pipeline quality of connection flowmeter, can obtain the flow by steel grit and water,
And the volumetric concentration of steel grit, and by calculating the steel grit amount having passed through, the residue of steel grit in high pressure sphere tank can be calculated
Amount, is finished so as to judge whether the steel grit in high pressure sphere tank injects.
High-Voltage Experimentation pit shaft can enter the steel grit jet broken rock experiment of horizontal high voltage.Regulation joint can adjust the angle of high pressure nozzle
Degree, therefore the ejection angle of adjustable steel grit jet.Experiment pit shaft confined pressure is by the high pressure gauge that is connected on High-Voltage Experimentation pit shaft outer barrel
Measurement.Rock type is marble, granite, sandstone etc., and rock bottom is adjusting gasket, and adjusting gasket can adjust rock distance
Jet expansion distance, both can adjust the spray of steel grit jet broken rock away from.Rotating speed by adjusting motor can adjust the rotation of rock
Speed, you can to adjust the translational speed of steel grit jet.The top connection pressure regulation nozzle of High-Voltage Experimentation pit shaft, by adjusting pressure regulation
The internal diameter of nozzle, it can adjust the pressure in High-Voltage Experimentation pit shaft, you can to adjust the confined pressure of steel grit jet broken rock.Power transmission shaft uses
K formula sealing structures, the dynamic sealing of system high pressure is realized by the superposition of multiple K formulas sealing rings.Between upper flange plate and Steel Tube Special
High pressure static seal use combination sealing coil structures, high pressure static seal is realized by seal box and multiple O-rings, effectively improves and is
Leakage efficiency of uniting and life-span.
High pressure sphere tank is spheroid, the good pressure-resistant performance of spherical high-pressure tank, under same volume, the pressure pan of spheroid form be easy to plus
Work, wall thickness is small, in light weight.Profile is spheroid, and steel grit can smoothly fall on high pressure sphere tank bottom after upper feed inlet entrance
Portion, also beneficial to the smooth discharge of steel grit.Alternate feeding and injection by two high pressure sphere tanks, realize the continual note of steel grit
Enter into high pressure line.During high pressure sphere tank is added to, steel grit and water occur to mix for the first time steel grit, and steel grit is from smash
In tank by helix transporting device after, current in steel grit and high pressure line occur second and mixed, can by mixing twice
To ensure mixing that steel grit and water can be good.By penetrating suction funnelling, current are after jet funnel, in its lower portion shape
Into negative pressure, in the presence of negative pressure, opening, which is penetrated, inhales funnel butterfly valve, particle and current mixing, smash is arrived under the carrying of current
Stored in tank, this liquid carries the mode of conveying, and conveying is stable, and transporting velocity is fast, efficiency high, can be in a short time
Safety conveys steel grit in high high pressure line.The helix transporting device of experimental system, the rotation of High-Voltage Experimentation pit shaft rock, it is logical
Hydraulic motor is crossed to drive, power is provided by hydraulic workstation, the mode of this liquid driven, and the dynamical stability of driving is controllable
Property is strong, has higher efficiency and security.
Brief description of the drawings
Fig. 1 is the operating diagram of the present invention.
In figure：1st, water tank 2,1# butterfly valves 3, high pressure pump inlet pipeline 4, high-pressure pump 5, high pressure line 6, high-voltage tube
Line pressure table 7,1# high pressure sphere tanks 8,2# high pressure sphere tanks 9,1# helix transporting devices 10,2# helix transporting devices 11,1# are high
Pressure valve 12,2# high pressure valves 13,3# high pressure valves 14,4# high pressure valves 15,5# high pressure valves 16,6# high pressure valves 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 valves 26, penetrate inhale funnel 27,
Mortar pump 28,1# high pressures turn low pressure valve 29,2# high pressures turn low pressure valve 30, normal pressure overflow line 31,3# high pressures turn low
Pressure valve 32,4# high pressures turn low pressure valve 33, hydraulic workstation 34, hydraulic line 35, mass flowmenter 36, supporting surface
37th, high-pressure shunting valve.
Fig. 2 is the diagrammatic cross-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, branch
Support leg.
Fig. 3 is the diagrammatic cross-section of High-Voltage Experimentation pit shaft of the present invention.
In figure：20-1, connecting tube 20-2, upper flange plate 20-3, high pressure pit shaft confined pressure pressure gauge 20-4, pressure gauge peace
Fill mouth 20-5, confined pressure outer barrel 20-6, adjusting gasket 20-7, lower flange 20-8, power transmission shaft 20-9, five-pointed star hydraulic motor
20-10, K formula sealing 20-11, high pressure nozzle 20-12, regulation joint 20-13, Steel Tube Special 20-14, the installation of pressure regulation nozzle
Mouth 20-15, combined seal ring.
Embodiment
The present invention is described further below in conjunction with the accompanying drawings：
As shown in figure 1, steel grit jet impulse broken rock comprehensive experimental device of the present invention, including water tank 1,1# butterfly valves
2nd, high pressure pump inlet pipeline 3, high-pressure pump 4, high pressure line 5, high pressure line pressure gauge 6,1# high pressure sphere tanks 7,2# high pressure sphere tanks 8,
1# helix transporting devices 9,2# helix transporting devices 10,1# high pressure valves 11,2# high pressure valves 12,3# high pressure valves 13,4# high pressure valves 14,
5# high pressure valves 15,6# high pressure valves 16, High-Voltage Experimentation pit shaft suction line 17, High-Voltage Experimentation pit shaft inlet pressure gauge 18, test stand
19th, 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 valves 25, penetrate inhale funnel 26, mortar pump 27,1# high pressures turn low pressure valve 28,2# high pressures turn low pressure valve 29, normal pressure overflow pipe
Line 30,3# high pressures turn low pressure valve 31,4# high pressures turn low pressure valve 32, hydraulic workstation 33, hydraulic line 34, mass flowmenter
35th, supporting surface 36, high-pressure shunting valve 37.Water tank 1 is cuboid storage tank, and respectively outlet is mounted on filter to water tank 1.It is high
Press pump 4 is connected by high pressure pump inlet pipeline 3 with water tank 1, and high pressure pump inlet pipeline 3 is provided with 1# butterfly valves 2, can control high pressure
Pump water inlet.High-pressure shunting valve 37 is arranged on high pressure pump outlet pipeline, by adjusting the valve size of high-pressure shunting valve 37, can be controlled
System enters the flow of the fluid of High-Voltage Experimentation pit shaft 20, you can the discharge capacity of control steel grit jet broken rock fluid.High-pressure pump 4 pumps out height
After pressing water, the 1# helix transporting devices 9 of the bottom of 1# high pressure sphere tanks 7 are delivered to by high pressure line 5, high pressure line 5 is by 1# high pressures
Valve 11,2# high pressure valves 12,3# high pressure valves 13,4# high pressure valves 14,5# high pressure valves 15,6# high pressure valves 16 control, the pressure of high pressure line 5
Measured by high pressure line pressure gauge 6.1# high pressure sphere tanks 7,2# high pressure sphere tanks 8 are spherical high-pressure tank, are supported by T-shaped supporting leg.1#
High pressure sphere tank 7, the bottom discharging opening of 2# high pressure sphere tanks 8 connect 1# helix transporting devices 9,2# helix transporting devices 10 respectively.1# spiral shells
Revolve conveying device 9,2# helix transporting devices 10 come from hydraulic workstation 33 by five-pointed star hydraulic motor 20-9 drivings, power.1# spiral shells
Rotation conveying device 9,2# helix transporting devices 10 screw rod five-pointed star hydraulic motor 20-9 driving under rotate, by 1# high pressure sphere tanks 7,
The particle of 2# high pressure sphere tanks 8 is rotated in high pressure line 5, the water mixing that steel grit and high-pressure pump 4 pump out, forms steel grit and water under high pressure
Mixed liquor, the flow of mixed liquor, the concentration of steel grit are measured by mass flowmenter 35.Mixed liquor continues through High-Voltage Experimentation well
Cylinder suction line 17, reaches in High-Voltage Experimentation pit shaft 20, High-Voltage Experimentation pit shaft 20 is fixed by test stand 19, High-Voltage Experimentation pit shaft 20
Inlet pressure measured by High-Voltage Experimentation pit shaft inlet pressure gauge 18.Mixed liquor enters in High-Voltage Experimentation pit shaft 20, passes sequentially through
Steel Tube Special 20-13, regulation joint 20-12, finally spray from high pressure nozzle 20-11, form steel grit jet, steel grit jet impulse
Onto rock 21, steel grit jet rock break-off process is completed.The top connection pressure regulation nozzle 22 of High-Voltage Experimentation pit shaft 20, is adjusted by adjusting
The internal diameter of nozzle 22 is pressed, the pressure in High-Voltage Experimentation pit shaft can be adjusted, you can with the confined pressure of regulating system.Fluid sprays from pressure regulation
After mouth 22 flows out, it is delivered to by High-Voltage Experimentation pit shaft outlet line 23 in water tank 1.
As shown in Fig. 2 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# by high pressure line, 1# high pressures
High pressure turns low pressure valve 29, low-pressure line and is connected with penetrating suction funnel 26.Top overfall 7-3 turns by high pressure line, 3# high pressures
Low pressure valve 31,4# high pressures turn 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 devices 10 connect.Spherical tank outer wall materials are Q345b steel alloys.The charging process of steel grit
For：Mortar pump 27 sucks water from water tank 1, after the pressurization of mortar pump 27, inhales funnel 26 into penetrating after pump, penetrates and inhale funnel 26
Steel grit is filled in funnel, current can form negative pressure after penetrating and inhaling funnel 26 in its lower portion, in the presence of negative pressure, in funnel
Particle and current mixing, by low-pressure line, high pressure line under the carrying of current, pass through 1# high pressure sphere tanks 7,2# high pressure sphere tanks
8 upper feed inlet 7-2 is entered in 1# high pressure sphere tanks 7,2# high pressure sphere tanks 8 and stored, and steel grit is not under gravity
The disconnected bottom for depositing to high pressure sphere tank, unnecessary fluid overflow from the top overfall 7-3 of high pressure sphere tank, and the fluid of spilling passes through
High pressure line, low-pressure line are flowed in water tank 1.Steel grit is to high pressure line adition process：1# high pressure sphere tanks work first, beat
1# high pressure valves 11,3# high pressure valves 13,5# high pressure valves 15 are opened, closes 2# high pressure valves 12,4# high pressure valves 14,6# high pressures
Valve 16.Steel grit is entered in 1# helix transporting devices 9 from the bottom discharging opening 7-4 of 1# high pressure sphere tanks, in the presence of screw rod
Steel grit constantly mixes with water under high pressure, enters in High-Voltage Experimentation pit shaft 20.After 1# high pressure sphere tank steel grit uses, 2# high pressures
Spherical tank is started working, and opens 2# high pressure valves 12,4# high pressure valves 14,6# high pressure valves 16, and it is high to close 1# high pressure valves 11,3#
Pressure valve 13,5# high pressure valves 15, steel grit enter 2# helix transporting devices 10 from the bottom discharging opening 7-4 of 2# high pressure sphere tanks
In, steel grit constantly mixes with water under high pressure in the presence of screw rod, 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 outer barrel 20-5, adjusting gasket 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, regulation joint 20-12, Steel Tube Special 20-13,
Pressure regulation 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, high
The mixture of water and steel grit is pressed by connecting tube 20-1, by bottom Steel Tube Special 20-13, into regulation joint 20-12, most
Sprayed afterwards from high pressure nozzle 20-11, form steel grit jet impulse fractured rock 21, after impact rock, on steel grit and water start
Return into confined pressure outer barrel 20-5, flow to pressure regulation nozzle 22, then water tank 1 is delivered to by High-Voltage Experimentation pit shaft outlet line 23
In, pressure regulation nozzle 22 is arranged on the pressure regulation nozzle installing port 20-14 on confined pressure outer barrel 20-5 tops.Upper flange plate 20-2 and laxative remedy
Blue disk 20-7 is threadedly attached in confined pressure outer barrel 20-5 respectively.High pressure pit shaft confined pressure pressure gauge 20-3 is arranged on confined pressure outer barrel
On the pressure gauge installing port 20-4 on 20-5 tops.Adjusting joint 20-12 can be with the ejection angle of pressure regulation nozzle.The bottom of rock 21 is
Adjusting gasket 20-6, the distance of the distance high-voltage nozzle 20-11 of rock 21 outlets can be adjusted by adjusting gasket 20-6, that is, is adjusted
Spray away from.Adjusting gasket 20-6 is connected with power transmission shaft 20-8, and power transmission shaft 20-8 is connected with five-pointed star hydraulic motor 20-9, five-pointed star hydraulic pressure horse
It is hydraulic workstation 33 up to 20-9 power resources, the rotating speed by adjusting five-pointed star hydraulic motor 20-9 can adjust the rotation of rock 21
Rotary speed, you can the translational speed of regulation steel grit jet.Power transmission shaft 20-8 sealings are passed through using K formulas sealing 20-10, the sealing of K formulas
The high pressure dynamic sealing of system is realized in multiple K formulas sealing ring superpositions.High pressure between upper flange plate 20-2 and Steel Tube Special 20-13 is quiet
Sealing uses combined seal ring 20-15 structures, and high pressure static seal is realized by seal box and multiple O-rings.
Claims (6)
- A kind of 1. comprehensive experimental device of steel grit jet impulse broken rock, it is characterised in that：Including water tank (1), 1# butterfly valves (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 tanks (7), 2# are high Pressure ball tank (8), 1# helix transporting devices (9), 2# helix transporting devices (10), 1# high pressure valves (11), 2# high pressure valves (12), 3# are high Pressure valve (13), 4# high pressure valves (14), 5# high pressure valves (15), 6# high pressure valves (16), High-Voltage Experimentation pit shaft suction line (17), high pressure Test pit shaft inlet pressure gauge (18), test stand (19), High-Voltage Experimentation pit shaft (20), rock (21), pressure regulation nozzle (22), high pressure Experiment pit shaft outlet line (23), mortar pump suction line (24), 2# butterfly valves (25), penetrate inhale funnel (26), mortar pump (27), 1# High pressure turns low pressure valve (28), 2# high pressures turn low pressure valve (29), normal pressure overflow line (30), 3# high pressures turn low pressure valve (31), 4# high pressures turn 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 respectively outlet is mounted on filter to water tank (1)；It is high Press pump (4) is connected by high pressure pump inlet pipeline (3) with water tank (1), and high pressure pump inlet pipeline (3) is provided with 1# butterfly valves (2), Controllable high pressure pump water inlet；After high-pressure pump (4) pumps out water under high pressure, 1# high pressure sphere tanks (7) bottom is delivered to by high pressure line (5) 1# helix transporting devices (9), high pressure line (5) is high by 1# high pressure valves (11), 2# high pressure valves (12), 3# high pressure valves (13), 4# Pressure valve (14), 5# high pressure valves (15), 6# high pressure valves (16) control, high pressure line (5) pressure are surveyed by high pressure line pressure gauge (6) Amount；1# high pressure sphere tanks (7), 2# high pressure sphere tanks (8) are spherical high-pressure tank, are supported by T-shaped supporting leg；1# high pressure sphere tanks (7), 2# are high Pressure ball tank (8) bottom discharging opening connects 1# helix transporting devices (9), 2# helix transporting devices (10) respectively；1# helical feeds fill Put (9), 2# helix transporting devices (10) come from hydraulic workstation (33) by five-pointed star hydraulic motor (20-9) driving, power；1# spiral shells Screw rod rotation under five-pointed star hydraulic motor (20-9) driving of conveying device (9), 2# helix transporting devices (10) is revolved, by 1# high pressures Spherical tank (7), the particle of 2# high pressure sphere tanks (8) are rotated in high pressure line (5), the water mixing that steel grit and high-pressure pump (4) pump out, shape Into steel grit and high pressure water mixed liquid, mixing flow quantity, steel grit concentration are measured by mass flowmenter (35)；Mixed liquor continues through High-Voltage Experimentation pit shaft suction line (17), reach in High-Voltage Experimentation pit shaft (20), High-Voltage Experimentation pit shaft (20) is by test stand (19) Fixed, the inlet pressure of High-Voltage Experimentation pit shaft (20) is measured by High-Voltage Experimentation pit shaft inlet pressure gauge (18)；Mixed liquor enters high Compacting is tested in pit shaft (20), Steel Tube Special (20-13), regulation joint (20-12) is passed sequentially through, finally from high pressure nozzle (20- 11) spray, formation steel grit jet, on steel grit jet impulse to rock (21), complete steel grit jet rock break-off process；High-Voltage Experimentation well The top connection pressure regulation nozzle (22) of cylinder (20), by adjusting the internal diameter of pressure regulation nozzle (22), can adjust High-Voltage Experimentation pit shaft Interior pressure, you can with the confined pressure of regulating system；Fluid passes through High-Voltage Experimentation pit shaft outlet after pressure regulation nozzle (22) outflow Line (23) is delivered in water tank (1), and mortar pump suction line (24) is connected with water tank (1) and 2# butterfly valves (25) respectively, sand Stock pump (27) is connected by pipeline with 2# butterfly valves (25), is penetrated suction funnel (26) and is connected by pipeline with mortar pump (27), mortar pump (27) liquid in water tank (1) can be delivered to penetrate and inhales funnel (26), it is high by pipeline and 1# that 1# high pressures turn low pressure valve (28) Pressure ball tank (7) connects, and 2# high pressures turn low pressure valve (29) and are connected by pipeline with 2# high pressure sphere tanks (8), normal pressure overflow line (30) turn low pressure valve (31) by 3# high pressures to be connected with 1# high pressure sphere tanks (7), normal pressure overflow line (30) is turned by 4# high pressures Low pressure valve (32) is connected with 2# high pressure sphere tanks (8), and normal pressure overflow line (30) can be by 1# high pressure sphere tanks (7) and 2# high pressure sphere tanks (8) liquid that overflow goes out is delivered to water tank (1), hydraulic line (34) respectively with 1# helix transporting devices (9), 2# helical feeds Device (10) and five-pointed star hydraulic motor (20-9) connection, hydraulic line (34) can delivery hydraulic pressure work station (33) output hydraulic pressure move Power liquid, supporting surface (36) are arranged on test stand (19) bottom, played a supportive role, and high-pressure shunting valve (37) connects with high pressure line (5) Connect, can control the flow of high pressure line (5) interior fluid.
- 2. the comprehensive experimental device of steel grit jet impulse broken rock according to claim 1, it is characterised in that：High-pressure shunting valve (37) it is arranged on high pressure pump outlet pipeline, by adjusting high-pressure shunting valve (37) valve size, can controls and enter high pressure Test the flow of pit shaft (20) fluid, you can the discharge capacity of control steel grit jet broken rock fluid；The 1# spiral shells of 1# high pressure sphere tanks (7) bottom Conveying device (9) is revolved, screw rod can ensure that steel grit is added in High-Pressure Water with certain rate uniform with given pace rotation, protect The uniform and stable property of steel grit concentration in high-pressure jet is demonstrate,proved, 1# helix transporting devices (9) are controlled by five-pointed star hydraulic motor, pass through tune The rotating speed for saving motor can be with the rotating speed of adjusting screw rod, you can control steel grit is added to the speed in water under high pressure, and then realizes high pressure The control of particle concentration in current；The front end quality of connection flowmeter (35) of High-Voltage Experimentation pit shaft (20), passes through mass flowmenter (35) flow by steel grit and water can be drawn, obtains the volumetric concentration of steel grit in High-Pressure Water, while smash can be calculated The surplus of steel grit in tank, and then judge whether the particle in high pressure sphere tank injects and finish；By adjusting high-pressure shunting valve (37) Valve size, the flow of the fluid for entering High-Voltage Experimentation pit shaft (20) can be controlled, you can to control high pressure nozzle (20- 11) flow；The helix transporting device of experimental system, the rotation of High-Voltage Experimentation pit shaft rock, are driven by hydraulic motor, moved Power is provided by hydraulic workstation, and the mode of this liquid driven, the dynamical stability of driving, controllability is strong, has higher efficiency And security；By current after penetrating and inhaling funnel (26), negative pressure is formed in its lower portion, in the presence of negative pressure, opening is penetrated Funnel butterfly valve, particle and current mixing are inhaled, stores into high pressure sphere tank under the carrying of current, can be put into not in funnel With diameter and the steel grit of material, the broken rock experiment of different-diameter and material steel grit is realized；This liquid carries the side of conveying simultaneously Formula, conveying is stable, and transporting velocity is fast, efficiency high, safe in a short time steel grit can be transported in high pressure sphere tank.
- 3. the comprehensive experimental device of steel grit jet impulse broken rock according to claim 1, it is characterised in that：High pressure sphere tank bag Include 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) is by high pressure line, 1# high pressures turn low pressure valve (28) and 2# high pressures turn low pressure valve (29), low-voltage tube Line connects with suction funnel (26) is penetrated；Top overfall (7-3) turns low pressure valve (31), 4# high pressures by high pressure line, 3# high pressures Turn low pressure valve (32), normal pressure overflow line (30) is connected with water tank (1)；Bottom discharging opening (7-4) fills with 1# helical feeds Put (9), 2# helix transporting devices (10) connection；Spherical tank outer wall materials are Q345b steel alloys；The charging process of steel grit is：Mortar Pump (27) sucks water from water tank (1), after mortar pump (27) pressurization, inhales funnel (26) into penetrating after pump, penetrates suction funnel (26) steel grit is filled in funnel, current can form negative pressure after penetrating and inhaling funnel (26) in its lower portion, in the presence of negative pressure, Particle and current mixing, by low-pressure line, high pressure line under the carrying of current, pass through 1# high pressure sphere tanks (7), 2# in funnel The upper feed inlet (7-2) of high pressure sphere tank (8) enters 1# high pressure sphere tanks (7), 2# high pressure sphere tanks store in (8), in weight Steel grit constantly deposits to the bottom of high pressure sphere tank, top overfall (7-3) of the unnecessary fluid from high pressure sphere tank in the presence of power Overflow, the fluid of spilling is flowed in water tank (1) by high pressure line, low-pressure line；Steel grit is to high pressure line adition process： 1# high pressure sphere tanks work first, open 1# high pressure valves (11), 3# high pressure valves (13), 5# high pressure valves (15), and it is high to close 2# Pressure valve (12), 4# high pressure valves (14), 6# high pressure valves (16)；Steel grit enters from the bottom discharging opening (7-4) of 1# high pressure sphere tanks Enter into 1# helix transporting devices (9), steel grit constantly mixes with water under high pressure in the presence of screw rod, enters High-Voltage Experimentation pit shaft (20) in；After 1# high pressure sphere tanks (7) steel grit use, 2# high pressure sphere tanks are started working, and open 2# high pressure valves (12), 4# High pressure valve (14), 6# high pressure valves (16), 1# high pressure valves (11), 3# high pressure valves (13), 5# high pressure valves (15) are closed, Steel grit is entered in 2# helix transporting devices (10) from the bottom discharging opening (7-4) of 2# high pressure sphere tanks, the steel in the presence of screw rod Grain constantly mixes with water under high pressure, enters in High-Voltage Experimentation pit shaft (20).
- 4. the comprehensive experimental device of steel grit jet impulse broken rock according to claim 1, it is characterised in that：High pressure sphere tank is Spheroid, the good pressure-resistant performance of spherical high-pressure tank, under same volume, the pressure pan of spheroid form is easy to process, and wall thickness is small, in light weight, And profile is spheroid, steel grit can smoothly fall on high pressure sphere tank bottom, also favorably after upper feed inlet (7-2) entrance In the timely discharge of steel grit；By 1# high pressure sphere tanks (7), the alternate feeding of 2# high pressure sphere tanks (8) and injection, steel grit is realized not Interruption is injected into high pressure line；During high pressure sphere tank is added to, steel grit and water occur to mix for the first time steel grit；Steel grit From high pressure sphere tank by helix transporting device after, current in steel grit and high pressure line occur second and mixed, by twice Mixing can ensure mixing that steel grit and water can be good.
- 5. the comprehensive experimental device of steel grit jet impulse broken rock according to claim 1, it is characterised in that：High-Voltage Experimentation well Cylinder 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 outer barrel (20-5), adjusting gasket (20-6), lower flange (20-7), power transmission shaft (20-8), five-pointed star hydraulic motor (20- 9), K formulas sealing (20-10), high pressure nozzle (20-11), regulation joint (20-12), Steel Tube Special (20-13), pressure regulation nozzle peace Fill mouth (20-14), combined seal ring (20-15)；Connecting tube (20-1) is connected with High-Voltage Experimentation pit shaft suction line (17), high pressure The mixture of water and steel grit is by connecting tube (20-1), by bottom Steel Tube Special (20-13), into regulation joint (20-12) In, finally spray from the high pressure nozzle (20-11), form steel grit jet impulse fractured rock (21), after impact rock, steel grit and Water is returned into confined pressure outer barrel (20-5) on starting, and flows to pressure regulation nozzle (22), then by High-Voltage Experimentation pit shaft outlet line (23) It is delivered in water tank (1), pressure regulation nozzle (22) is arranged on the pressure regulation nozzle installing port (20-14) on confined pressure outer barrel (20-5) top On；Upper flange plate (20-2) and lower flange (20-7) are threadedly attached in confined pressure outer barrel (20-5) respectively；High pressure pit shaft Confined pressure pressure gauge (20-3) is arranged on the pressure gauge installing port (20-4) on confined pressure outer barrel (20-5) top；Adjusting gasket (20-6) Connected with power transmission shaft (20-8), power transmission shaft (20-8) is connected with five-pointed star hydraulic motor (20-9), and five-pointed star hydraulic motor (20-9) is dynamic Power source is hydraulic workstation (33).
- 6. the comprehensive experimental device of steel grit jet impulse broken rock according to claim 5, it is characterised in that：High-Voltage Experimentation well Cylinder (20) material is high strength steel；Regulation joint (20-12) can adjust the ejection angle of nozzle；Rock (21) bottom is regulation Pad (20-6), the distance of rock (21) distance high-voltage nozzle (20-11) outlet can be adjusted by adjusting gasket (20-6), i.e., Regulation spray away from；Rotating speed by adjusting five-pointed star hydraulic motor (20-9) can adjust the rotary speed of rock (21), you can regulation The translational speed of steel grit jet；Rock (21) type is griotte, sandstone, granite, igneous rock, can be replaced；High-Voltage Experimentation The top connection pressure regulation nozzle (22) of pit shaft (20), by adjusting the internal diameter of pressure regulation nozzle (22), can adjust High-Voltage Experimentation well Pressure in cylinder, you can with the confined pressure of regulating system；Power transmission shaft (20-8) sealing is logical using K formulas sealing (20-10), the sealing of K formulas Cross the high pressure dynamic sealing that system is realized in multiple K formulas sealing ring superpositions；Between upper flange plate (20-2) and Steel Tube Special (20-13) High pressure static seal uses combined seal ring (20-15) structure, and high pressure static seal is realized by seal box and multiple O-rings.
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