CN102191031A - Production method for manufacturing quartz fracturing sand special for oil field - Google Patents
Production method for manufacturing quartz fracturing sand special for oil field Download PDFInfo
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- CN102191031A CN102191031A CN2010101389095A CN201010138909A CN102191031A CN 102191031 A CN102191031 A CN 102191031A CN 2010101389095 A CN2010101389095 A CN 2010101389095A CN 201010138909 A CN201010138909 A CN 201010138909A CN 102191031 A CN102191031 A CN 102191031A
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 247
- 239000004576 sand Substances 0.000 title claims abstract description 135
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 44
- 239000010453 quartz Substances 0.000 title abstract description 10
- 239000006004 Quartz sand Substances 0.000 claims abstract description 103
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000005406 washing Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 6
- 238000005108 dry cleaning Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 230000018044 dehydration Effects 0.000 claims description 41
- 238000006297 dehydration reaction Methods 0.000 claims description 41
- 206010016256 fatigue Diseases 0.000 claims description 25
- 230000008569 process Effects 0.000 claims description 13
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000012216 screening Methods 0.000 abstract description 6
- 238000009776 industrial production Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000001035 drying Methods 0.000 abstract description 3
- 230000001932 seasonal effect Effects 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 206010011469 Crying Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011044 quartzite Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The invention relates to a production method for manufacturing quartz fracturing sand special for an oil field; raw material quartz sand flows into a spiral sand washer through a sand tank to be roughly washed; sending the mixture to a cylindrical sand washing screening machine for secondary washing until the turbidity standard is less than or equal to 100 FTU; stirring by a dewatering spiral sand washer to destroy a water vapor layer coated on the surface of sand grains, and carrying out dry cleaning and dewatering; conveying the mixture into dewatering equipment for standing and dewatering to reduce the water content of the mixture to below 20 percent for 20-30 minutes; conveying the quartz sand to a rotary cylindrical quartz sand drying furnace, heating at 90-120 ℃ for 25-30 minutes, and drying; screening the dried quartz sand by using a cylinder screening machine, wherein the quartz fracturing sand with the particle size of 0.425-0.85 mm is special quartz fracturing sand; the method improves production efficiency, ensures product quality, is not influenced by weather, environment and seasonal changes, and realizes industrial production.
Description
Technical field
The present invention relates to a kind of production method of making the special-purpose quartzy fracturing sand in oil field.
Background technology
Along with the development and the progress of science and technology of petroleum industry, hydraulic fracturing technology technology becomes important measures of land low permeability oil field volume increase, and in hydraulic fracturing technology technology, the selection of propping agent is most important, and propping agent commonly used is quartzy fracturing sand.Quartzy fracturing sand is with its cheap price, good use properties, and at home and abroad the consumption in the field produces ranks first, and obtains the oil field and will pass through a lot of operations with quartzy fracturing sand and be prepared from from exploiting to.At present, domestic many quartzy fracturing sand producing apparatus complex structures, constant, the production technique of operation fall behind immature.Natural siliceous sand screens from the sand seedbed, remove and be mixed in intermediary stone and part earth, also need raw materials for production quartz sand is transported to manufacturer, after the clean dehydration of washing, when making its water content reach 10-20%, dry again, the processing of operation such as screening, do not cause the production cycle long owing to have the working method and the production unit of specialty, industrial production efficiency is low, dehydration procedure poor effect especially, and human and material resources drop into high, and dehydration is subjected to weather effect, cause secondary pollution easily, influence quality product, can not satisfy the service requirements in oil field.
A kind of " the novel propping agent that uses during the injection well pressure break " patent application was disclosed on April 30th, 1 in State Intellectual Property Office, publication number: CN1414213, the novel propping agent that uses when it relates to a kind of oil field injection well pressure break in order to the support formation fracture.Its composition comprises quartz sand, sneaks into nut-shell in quartz sand, and the volume ratio of nut-shell and quartz sand is 0.8～1.2: 0.8～1.2, and the particle diameter of selected nut-shell is 1.0～3.0mm.It makes fracturing sand can not enter inside, crack, and the crack mouth can be not closed too early because of lacking propping agent, improves the injection well fracturing effect.
On August 14th, 2002, bulletin was authorized a kind of " pellet quartz sand specially for oil production production method ", Granted publication number: CN1089076, it is with natural quartz rock or blout, the treated coarse sand of making drops in the comprehensive shredder, under the condition that adds abrasive, ground 2-3 hour, material after will grinding again cleans and dries, and when making its water content reach 8-12%, changes drying, screening and iron removal step again over to and handles; Then select for use polishing machine to add rumbling compound and carry out polished finish, the material after the polishing sieves, packs.
Summary of the invention
The purpose of this invention is to provide a kind of production method of making the special-purpose quartzy fracturing sand in oil field, its suite of equipment is simple in structure, easy to operate, technological process of production advanced person can realize large-scale industrial production, and realizes the quartzy fracturing sand production method of the oil field special use of automated operation.
The production method of the special-purpose quartzy fracturing sand in manufacturing of the present invention oil field:
(1) raw material quartz sand is slightly washed by sand jar inflow screw sand washer by lift;
(2) be transported in the cylinder washed-out sand sifting machine through the quartz sand of slightly washing and carry out secondary water washing, reach turbidity standard≤100FTU;
(3) the washing quartz sand of wash clean stirs by the dehydration screw sand washer, destroys the steam layer that coats sand grain surface, dry-cleans and dewaters;
(4) quartz sand after the dehydration is transported to main body rotation and level and is in the dehydration equipment of 20-40 degree and leaves standstill dehydration, make its water content drop to≤20%, 20～30 minutes time;
(5) quartz sand after the dehydration is transported in the rotary type cylinder quartz sand stoving oven by rotary conveyor I, and body of heater is heated to 90～120 ℃, and quartz sand is dried through 25～30 minutes heating in rotary type cylinder quartz sand stoving oven;
(5) Hong Gan quartz sand is that dry quartz sand directly enters in the dry sand jar by the dry sand lift, with the cylinder sifting machine dry quartz sand is screened, the quartz sand of particle diameter in 0.425-0.85 millimeter scope is quartzy fracturing sand, enters the quartzy fracturing sand jar of finished product by rotary conveyor II.
The equipment of the production method of the special-purpose quartzy fracturing sand in described manufacturing oil field successively by lift, sand jar, screw sand washer, cylinder washed-out sand sifting machine, dehydration screw sand washer, dehydration equipment, rotary conveyor I, process furnace, advance stove feeding unit, rotary type cylinder quartz sand stoving oven, dry sand lift, dry sand jar, cylinder sifting machine, rotary conveyor II, quartzy fracturing sand jar and gauger and constitute.
Described its structure of cylinder washed-out sand sifting machine is made up of motor, step-down gear, trommel screen and supporting base, making trommel screen main body rotation and horizontal plane angle by the supporting base support is 2～5 degree, by the driven by motor step-down gear, make trommel screen with certain rotating speed rotation, cooperate the flushing of the effusive water column of water pipe, quartz sand in the cylinder washed-out sand sifting machine is rubbed by the phase mutual friction, and the silt of removing attaching surface obtains cleaning clean washing quartz sand.Cylinder washed-out sand screening top is connected with water pipe, and blow tank inserts in the trommel screen.
The dehydration screw sand washer is identical with the screw sand washer structure, model is: LX-750, it is procuring equipment, structure is: motor is connected with speed reduction unit by the wire belt, speed reduction unit is connected with turning axle, impeller after motor slows down by wire belt, speed reduction unit on the driven rotary axle slowly rotation cleans or dewaters, and the frame support leg tilts the screw sand washer main body, and rotation and horizontal plane angle are 5～15 degree.Water receiving pipe is not used to wash clean quartz sand by stirring dry-cleaning and dehydration.
Described gauger 16 is tubular measuring containers of a charging and discharging interlocking, and gauger 16 is by being bolted to quartzy fracturing sand jar 15 lower ends, is welded with the going out below the sandpipe 15.1 of shrouding 15.2; Gauger tank body 16.2 lower ends are welded with down end-plate 16.4, feed plate 16.1, reclaiming plate 16.5 and following end-plate 16.4 are all concentric, be distributed with above and put sand through hole and centre hole, feed plate 16.1 and reclaiming plate 16.5 pass by connecting rod 16.3 and fixed by nut together and in following end-plate 16.4 centre holes, form the relatively-stationary integral body in a feed plate 16.1 and reclaiming plate 16.5 positions, can on gauger tank body 16.2, rotate, isolating shrouding 16.4 and gauger tank body 16.2 are the separate components that are fixed together, handle 16.6 is welded on the reclaiming plate 16.5, and spacer pin 16.7 is welded on the gauger tank body 16.2.
Beneficial effect of the present invention and advantage:
1, be that the speed of shaking out is fast, the special-purpose quartzy fracturing sand in the oil field of warehouse-in was less than 1.5 hours from raw material quartz sand to packing.Per hour produce 7～9 tons of quartzy fracturing sands.Current production devices is taked open-air dehydration through the clean quartz sand of washing, generally need the time, and dehydration has impurity and enters in the quartz sand, causes secondary pollution, influences quality product, and is subjected to weather effect easily.The present invention adopts dehydration equipment, has solved dehydration problem, and the dehydration of production limit, limit only needed 25～30 minutes to finish dehydration, had improved industrial production efficiency, and had guaranteed final product quality.
2, therefore the present invention can not be subjected to the influence of weather, environment and seasonal variation with a whole set of factory building that moves into of production unit, thereby has improved usage ratio of equipment greatly and guaranteed the quality of product, can realize suitability for industrialized production.
Description of drawings:
The production unit synoptic diagram of the quartzy fracturing sand of Fig. 1.
Fig. 2 cylinder washed-out sand sifting machine structural representation.
The structural representation of Fig. 3 pressure break quartz sand jar 15 and gauger 16.
Among the figure: 1. lift; 2. sand jar; 3. screw sand washer, 3.1 blow tanks; 4. cylinder washed-out sand sifting machine, 4.1 motors, 4.2 step-down gears, 4.3 water pipes; 5. dehydration screw sand washer; 6. dehydration equipment; 7. rotary conveyor I; 8. process furnace; 9. advance the stove feeding unit; 10. rotary type cylinder quartz sand stoving oven; 11. dry sand lift; 12. dry sand jar; 13. cylinder sifting machine; 14. rotary conveyor II; 15. quartzy fracturing sand jar, 15.1 go out sandpipe, 15.2 shroudings; 16. gauger, 16.1 gauger feed plates, 16.2 gauger tank bodies, 16.3 connecting rods, 16.4 times end-plates, 16.5 reclaiming plates, 16.6 spacing handles, 16.7 spacer pins.
Embodiment:
Understand in order to make the easier quilt of content of the present invention, some notions at first are described: the quartz sand that the present invention relates to is a kind of quartzite of natural formation, its particle is little, be similar to and be spherical, be mingled with some finger stones and part earth in the middle of when underground mining comes out, need sieve finger stone and earth with sieve, become the raw material of processing, be " raw material quartz sand ", wash the wet quartz sand removed behind the earth that the raw material quartz sand surface adheres in the device fabrication process with water " washing quartz sand ", crying after the oven dry " dry quartz sand ", at this moment quartz sand endoparticle size is uneven, need sieve big little with particle of degranulation with sieve, remaining is exactly standard compliant quartz sand, is called " quartzy fracturing sand "." quartz sand " generally said is general reference, also is so usually to call in word in real work, but " quartz sand " said this moment, those presents know that its quartz sand must point to or residing state.
Below according to a particular embodiment of the invention and in conjunction with the accompanying drawings, the present invention is described in further detail.
Referring to Fig. 1 is the specific embodiments of the invention synoptic diagram, the equipment of the production method of the special-purpose quartzy fracturing sand in described manufacturing oil field successively by lift 1, sand jar 2, screw sand washer 3, cylinder washed-out sand sifting machine 4, dehydration screw sand washer 5, dehydration equipment 6, rotary conveyor I 7, process furnace 8, advance stove feeding unit 9, rotary type cylinder quartz sand stoving oven 10, dry sand lift 11, dry sand jar 12, cylinder sifting machine 13, rotary conveyor II 14, quartzy fracturing sand jar 15 and gauger 16 and constitute.
Described cylinder washed-out sand sifting machine 4 its structures are connected with step-down gear by motor 4.1, step-down gear is connected with cylinder by turning axle, the drive cylinder rotates, cylinder washed-out sand sifting machine top is connected with water pipe, blow tank 3.1 inserts in the cylinder, the cylinder of cylinder washed-out sand sifting machine tilts by the supporting base of below, and rotation and horizontal plane angle are 2～5 degree.
Spiral washed-out sand 5 machines that dewater are identical with screw sand washer 3 structures, and water receiving pipe is not used to wash clean quartz sand by stirring dry-cleaning and dehydration, is slowly rotated by wire belt, step-down gear deceleration back impeller by motor.
Described gauger 16 is tubular measuring containers of a charging and discharging interlocking, and gauger 16 is by being bolted to quartzy fracturing sand jar 15 lower ends, is welded with the going out below the sandpipe 15.1 of hole shrouding 15.2; Gauger tank body 16.2 lower ends are welded with down end-plate 16.4, feed plate 16.1, reclaiming plate 16.5 and following end-plate 16.4 are all concentric, be distributed with above and put sand through hole and centre hole, feed plate 16.1 and reclaiming plate 16.5 pass by connecting rod 16.3 and fixed by nut together and in following end-plate 16.4 centre holes, form the relatively-stationary integral body in a feed plate 16.1 and reclaiming plate 16.5 positions, can on gauger tank body 16.2, rotate, isolating shrouding 16.4 and gauger tank body 16.2 are the separate components that are fixed together, handle 16.6 is welded on the reclaiming plate 16.5, and spacer pin 16.7 is welded on the gauger tank body 16.2.
The present invention at first chooses raw material quartz sand, qualified raw material quartz sand is mentioned in the sand jar 2 by equipment lifting machine 1, putting sand by sand jar 2 discharge ports slightly washes in screw sand washer 3, dust and silt by clear water flush away quartz sand surface, because the silt on surface is more, be difficult to fully clean, necessary secondary water washing, raw material quartz sand after once washing is transported in the cylinder washed-out sand sifting machine 4 by the blow tank 3.1 of screw sand washer 3, simultaneously referring to Fig. 2, cylinder washed-out sand sifting machine 4 can thoroughly be washed the silt of quartz sand surface off by self rotation and high pressure flushing with clean water, (FTU is a FTU with pressure break quartz sand turbidity standard≤100FTU to reach the oil field, implication is the propping agent that adds certain mass in the distilled water of prescribed volume, through shake and place certain hour after the muddy degree of liquid.), the quartz sand turbidity after this invention is cleaned can reach 30～50FTU, and this moment, the quartz sand of wash clean was that " washing quartz sand " stirs by dehydration screw sand washer 5, destroyed the steam layer that coats sand grain surface, dewatered; Being transported to main body rotation and level again is in the dehydration equipment 6 of 20-40 degree and leaves standstill dehydration in 10～20 minutes, its water content is dropped to below 20%, then by rotary conveyor I 7, advancing stove feeding unit 9 is transported in the rotary type cylinder quartz sand stoving oven 10 that is installed on the process furnace 8, process furnace 8 mainly is that rotary type cylinder quartz sand stoving oven 10 is heated, 10 pairs of quartz sands of rotary type cylinder quartz sand stoving oven through 25～30 minutes oven dry after, quartz sand after oven dry this moment is called " dry quartz sand ", dry quartz sand flows out from rotary type cylinder quartz sand stoving oven 10 discharge ports, enter in dry sand lift 11 opening for feeds, directly enter in the dry sand jar 12 by promoting, because the quartzy fracturing sand of the finished product that the oil field is used directly has strict demand to sand grains, in 0.425-0.85 millimeter scope, so need screen to dry quartz sand, allow dry sand jar 12 interior quartz sands flow out from discharge port, screen by 13 pairs of dry quartz sands of cylinder sifting machine, satisfactory quartz sand enters by rotary conveyor II 14 and is called " quartzy fracturing sand " in the quartzy fracturing sand jar 15, the quartz sand that falls short of specifications screens out, quartzy fracturing sand carries out the packing warehouse-in by gauger 16, and whole process of production is finished.
Screw sand washer 3 water receiving pipes among the present invention just can carry out the function of washed-out sand, if water receiving pipe is not just finished the function of dehydration screw sand washer 5.During screw sand washer work, impeller was slowly rotated after motor slowed down by wire belt, step-down gear, and sandstone is entered in the washing trough by feeding trough, under the drive of impeller, roll, and grind mutually, remove the impurity that covers the sandstone surface, destroy the steam layer that coats sand grains simultaneously, be beneficial to dehydration; Add water simultaneously, form powerful current, in time impurity and the little foreign matter of proportion are taken away, and discharge, finish cleanup action from the spillway washing trough.Clean sandstone is taken away by blade, and last sandstone is poured blow tank into from the impeller of rotation, finishes the cleanup action of sandstone.3 deslimings that are used for quartz sand among the present invention, 5 are used for dehydration.
In production unit, washing quartz sand needs 20～30 minutes by dehydration screw sand washer 5 and dehydration equipment 6, and through the acting in conjunction of stirring and dehydration equipment, water content drops to below 20%, has reached good dehydrating effect.After entering cylinder quartz sand stoving oven 9, can be dried fully after about 20～30 minutes, expected that from former quartzy fracturing sand production process only is 1.5 hours.Full production was calculated by 8 hours, can manufacture a finished product 50～70 tons of quartz sands of per tour.
The present invention makes the production method and the automation degree of equipment height thereof of the special-purpose quartzy fracturing sand in oil field; can be equipped with two electrical control cabinets; electrical control cabinet is to consumer: lift 1; screw sand washer 3; cylinder washed-out sand sifting machine 4; dehydration screw sand washer 5; 7 of rotary conveyor I controls; No. two electrical control cabinets are to consumer: process furnace 8; rotary type cylinder quartz sand stoving oven 10; dry sand lift 11; cylinder sifting machine 13; 14 of rotary conveyor II controls; respectively two housings are operated by two people; and institute's operating device patrolled and examined, find that fault in time shuts down.One people controls the flame of cylinder quartz sand stoving oven 10, and the control bake out temperature guarantees the quartz sand oven dry.Three people can operate this complete equipment fully, finish the production of pressure break quartz sand.
Quartz sand after the dehydration recited above is by rotary conveyor 7 and advance the stove feeding unit, be transported in the rotary type cylinder quartz sand stoving oven 10, wherein advance stove feeding unit 9 and rotary type cylinder quartz sand stoving oven 10 all is installed on the process furnace 8, process furnace 8 is that rotary type cylinder quartz sand stoving oven 10 is heated.
Referring to Fig. 2, be screw sand washer 3 outlet and cylinder washed-out sand sifting machine 4 syndeton synoptic diagram of the present invention.The blow tank 3.1 of screw sand washer 3 inserts and connects cylinder washed-out sand sifting machine 4 upper end opening for feeds, its cylinder washed-out sand sifting machine 4 tilts main body by supporting base, axis on the supporting base is 5～15 degree as main body rotation and horizontal plane angle, rotating axis upper end connects motor 4.1 by step-down gear 4.2, driving step-down gear 4.2 by motor 4.1 rotates, make fixed trommel screen on the axis with certain rotating speed rotation, cooperate the flushing of water pipe 4.3 effusive water columns, quartz sand in the cylinder washed-out sand sifting machine 4 is rubbed by the phase mutual friction, and the silt of removing attaching surface obtains cleaning clean washing quartz sand.There is discharge port cylinder washed-out sand sifting machine 4 lower ends.
Described gauger 16 is a measuring container, and charging and discharging interlocking by the blocking-up charging, are opened discharging, the quartz sand of quality such as emits in the measuring container and realizes the metering packing.
As shown in Figure 3, be the syndeton synoptic diagram of pressure break quartz sand jar 15 of the present invention and gauger 16.Gauger 16 is tubular measuring containers of a charging and discharging interlocking, with gauger 16 by bolting to pressure break quartz sand jar 15 lower ends, promptly be fixed on and be welded with the going out below the sandpipe 15.1 of hole shrouding 15.2; The welding of gauger tank body 16.2 lower ends is end-plate 16.4 down, feed plate 16.1, reclaiming plate 16.5 and following end-plate 16.4 are all concentric, be distributed with above and put sand through hole and centre hole, feed plate 16.1 and reclaiming plate 16.5 pass by connecting rod 16.3 and fixed by nut together and in following end-plate 16.4 centre holes, form the relatively-stationary integral body in a feed plate 16.1 and reclaiming plate 16.5 positions, simultaneously can on gauger tank body 16.2, rotate rotating in other words integral body, but isolating shrouding 16.4 and gauger tank body 16.2 are the separate components that are fixed together.Handle 16.6 is welded on the reclaiming plate 16.5, helps driving handle 16.6 and makes reclaiming plate 16.5 whole rotations, and spacer pin 16.7 is welded on the gauger tank body 16.2, is used to control the position of reclaiming plate 16.5 rotations.
Concrete principle of work: in gauger 16, when pulling gauger handle 16.6 and arriving spacing an of spacer pin 16.7, through hole on the gauger feed plate 16.1 is communicated with through hole on the shrouding 15.2, but through hole on the gauger tank body 16.2 lower end fixed shroudings 16.4 and the lead to the hole site on the reclaiming plate 16.5 stagger, can not shake out, quartz sand enters gauger from pressure break quartz sand jar 15.When pulling gauger handle 16.6 again to 16.7 spacing of another spacer pins, stagger in hole on the gauger 16 upper end feed plates 16.1 and the hole site on the shrouding 15.2, can not advance sand, but the hole on 16.2 times end-plates 16.4 of gauger tank body is communicated with the hole on the reclaiming plate 16.5, quartz sand is emitted in gauger tank body 16.2, has put to be to calculate the weight.In like manner, when pulling gauger handle 16.6 once more and getting back to spacer pin 16.7, quartz sand enters gauger tank body 16.2 again, and circulation so repeatedly realizes the metering packing of quartz sands by pulling handle 16.6.By the blocking-up charging, open discharging, the quartz sand of quality such as emit in the measuring container and realize the metering packing.
Claims (5)
1. production method of making the special-purpose quartzy fracturing sand in oil field is characterized in that:
(1) raw material quartz sand is slightly washed by sand jar inflow screw sand washer by lift;
(2) be transported in the cylinder washed-out sand sifting machine through the quartz sand of slightly washing and carry out secondary water washing, reach turbidity standard≤100FTU;
(3) the washing quartz sand of wash clean stirs by the dehydration screw sand washer again, destroys the steam layer that coats sand grain surface, dry-cleans and dewaters;
(4) be transported to level and main body rotation again and be in the dehydration equipment of 20-40 degree and leave standstill dehydration, its water content is dropped to below 20%, 20～30 minutes time;
(5) quartz sand after the dehydration is transported in the rotary type cylinder quartz sand stoving oven by rotary conveyor I, and body of heater is heated to 90～120 ℃, and quartz sand is dried through 25～30 minutes heating in rotary type cylinder quartz sand stoving oven;
(5) Hong Gan quartz sand is that dry quartz sand directly enters in the dry sand jar by the dry sand lift, with the cylinder sifting machine dry quartz sand is screened again, the quartz sand of particle diameter in 0.425-0.85 millimeter scope is that quartzy fracturing sand enters the quartzy fracturing sand jar of finished product by rotary conveyor II, and the quartzy fracturing sand of finished product carries out the packing warehouse-in by gauger.
2. the production method of the special-purpose quartzy fracturing sand in manufacturing according to claim 1 oil field is characterized in that:
Described screw sand washer (3) and dehydration screw sand washer (5) are the equipment of same structure, its structure is motor and slowly rotates by wire belt, step-down gear deceleration back impeller, difference is to be connected with water receiving pipe (4.3) on the former screw sand washer (3) to be mainly used in the desliming of raw material quartz sand and slightly to wash, the latter dewater screw sand washer (5) not water receiving pipe be mainly used in the clean quartz sand of secondary water washing again by stirring dry-cleaning and dehydration.
3. the production method of the special-purpose quartzy fracturing sand in manufacturing according to claim 1 oil field, it is characterized in that: the blow tank (3.1) of described screw sand washer (3) inserts in cylinder washed-out sand sifting machine (4) cylinder, the supporting base that cylinder washed-out sand sifting machine (4) connects by the below tilts its main body, rotation and horizontal plane angle are 2～5 degree, connect step-down gear (4.2) by motor (4.1) output, step-down gear (4.2) output connects cylinder washed-out sand sifting machine (4) and rotates, but the quartz sand that the phase mutual friction is rubbed passes through the flushing of the effusive pressure water column of water pipe (4.3) simultaneously, and the silt of removing attaching surface obtains cleaning clean washing quartz sand.
4. the production method of the special-purpose quartzy fracturing sand in manufacturing according to claim 1 oil field, it is characterized in that: the quartz sand after the described dehydration is by rotary conveyor (7) and advance stove feeding unit (9) and be transported in the rotary type cylinder quartz sand stoving oven (10), wherein advance stove feeding unit (9) and rotary type cylinder quartz sand stoving oven (10) and all be installed on the process furnace (8), process furnace (8) is that rotary type cylinder quartz sand stoving oven (10) is heated.
5. the production method of the special-purpose quartzy fracturing sand in manufacturing according to claim 1 oil field, it is characterized in that: described gauger (16) is the tubular measuring container of a charging and discharging interlocking, with gauger (16) by bolting to pressure break quartz sand jar (15) lower end, promptly be fixed on and be welded with the going out below the sandpipe (15.1) of hole shrouding (15.2); The welding of gauger tank body (16.2) lower end is end-plate (16.4) down, feed plate (16.1), reclaiming plate (16.5) and following end-plate (16.4) are all concentric, be distributed with above and put sand through hole and centre hole, feed plate (16.1) and reclaiming plate (16.5) pass by connecting rod (16.3) and fixed by nut together and in following end-plate (16.4) centre hole, form the relatively-stationary integral body in a feed plate (16.1) and reclaiming plate (16.5) position, can go up the rotating in other words integral body of rotation at gauger tank body (16.2) simultaneously, but isolating shrouding (16.4) and gauger tank body (16.2) are the separate components that is fixed together.Handle (16.6) is welded on the reclaiming plate (16.5), helps driving handle (16.6) and makes the whole rotation of reclaiming plate (16.5), and spacer pin (16.7) is welded on the gauger tank body (16.2), is used to control the position of reclaiming plate (16.5) rotation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010138909 CN102191031B (en) | 2010-03-19 | 2010-03-19 | Production method for manufacturing quartz fracturing sand special for oil field |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010138909 CN102191031B (en) | 2010-03-19 | 2010-03-19 | Production method for manufacturing quartz fracturing sand special for oil field |
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| CN102191031A true CN102191031A (en) | 2011-09-21 |
| CN102191031B CN102191031B (en) | 2013-04-24 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103736687A (en) * | 2014-01-17 | 2014-04-23 | 安徽科技学院 | Quartz sand cleaning device |
| CN106566524A (en) * | 2016-11-03 | 2017-04-19 | 重庆长江造型材料（集团）股份有限公司 | Preparation process for quartz sand fracturing proppant |
| CN106753317A (en) * | 2016-11-21 | 2017-05-31 | 四川南联环资科技股份有限公司 | A kind of method that utilization quartz tail sand produces oil well proppant |
| CN107325807A (en) * | 2017-08-04 | 2017-11-07 | 广汉川亿石油科技有限公司 | A kind of production equipment for manufacturing quartz fracturing sand special for oil field |
| CN109593520A (en) * | 2019-01-30 | 2019-04-09 | 刘红英 | A kind of fracturing propping agents quartz sand and its preparation method and application |
| CN110449253A (en) * | 2019-08-29 | 2019-11-15 | 重庆长江造型材料（集团）股份有限公司 | The processing technology of quartz sand fracturing propping agents |
| CN110510616A (en) * | 2019-09-24 | 2019-11-29 | 河南银旺实业有限公司 | A kind of production technology of pressure break quartz sand |
| CN111927419A (en) * | 2020-08-07 | 2020-11-13 | 江苏火焰山干燥技术有限公司 | Fracturing sand deep processing technology |
| CN112980423A (en) * | 2021-02-23 | 2021-06-18 | 洲际海峡能源科技有限公司 | Quartz sand proppant production method and system |
| CN115216287A (en) * | 2022-08-08 | 2022-10-21 | 陕西化工研究院有限公司 | Process for reducing turbidity of petroleum fracturing propping agent |
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| US4522731A (en) * | 1982-10-28 | 1985-06-11 | Dresser Industries, Inc. | Hydraulic fracturing propping agent |
| JPS61286278A (en) * | 1985-06-12 | 1986-12-16 | ミネソタ マイニング アンド マニュファクチュアリング コンパニ− | Low density ceramic rotary ellipsoid and manufacture |
| US4921821A (en) * | 1988-08-02 | 1990-05-01 | Norton-Alcoa Proppants | Lightweight oil and gas well proppants and methods for making and using same |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103736687B (en) * | 2014-01-17 | 2015-09-16 | 安徽科技学院 | A kind of cleaning device for quartz sand |
| CN103736687A (en) * | 2014-01-17 | 2014-04-23 | 安徽科技学院 | Quartz sand cleaning device |
| CN106566524A (en) * | 2016-11-03 | 2017-04-19 | 重庆长江造型材料（集团）股份有限公司 | Preparation process for quartz sand fracturing proppant |
| CN106753317A (en) * | 2016-11-21 | 2017-05-31 | 四川南联环资科技股份有限公司 | A kind of method that utilization quartz tail sand produces oil well proppant |
| CN107325807A (en) * | 2017-08-04 | 2017-11-07 | 广汉川亿石油科技有限公司 | A kind of production equipment for manufacturing quartz fracturing sand special for oil field |
| CN109593520B (en) * | 2019-01-30 | 2021-08-03 | 刘红英 | Quartz sand for fracturing propping agent and preparation method and application thereof |
| CN109593520A (en) * | 2019-01-30 | 2019-04-09 | 刘红英 | A kind of fracturing propping agents quartz sand and its preparation method and application |
| CN110449253A (en) * | 2019-08-29 | 2019-11-15 | 重庆长江造型材料（集团）股份有限公司 | The processing technology of quartz sand fracturing propping agents |
| CN110449253B (en) * | 2019-08-29 | 2021-12-03 | 重庆长江造型材料（集团）股份有限公司 | Processing technology of quartz sand fracturing propping agent |
| CN110510616A (en) * | 2019-09-24 | 2019-11-29 | 河南银旺实业有限公司 | A kind of production technology of pressure break quartz sand |
| CN111927419A (en) * | 2020-08-07 | 2020-11-13 | 江苏火焰山干燥技术有限公司 | Fracturing sand deep processing technology |
| CN112980423A (en) * | 2021-02-23 | 2021-06-18 | 洲际海峡能源科技有限公司 | Quartz sand proppant production method and system |
| CN115216287A (en) * | 2022-08-08 | 2022-10-21 | 陕西化工研究院有限公司 | Process for reducing turbidity of petroleum fracturing propping agent |
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