CN104444263B - Solid granule conveying test method - Google Patents
Solid granule conveying test method Download PDFInfo
- Publication number
- CN104444263B CN104444263B CN201410726868.XA CN201410726868A CN104444263B CN 104444263 B CN104444263 B CN 104444263B CN 201410726868 A CN201410726868 A CN 201410726868A CN 104444263 B CN104444263 B CN 104444263B
- Authority
- CN
- China
- Prior art keywords
- screw feeder
- hopper
- discharging opening
- test
- weighing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
A kind of solid granule conveying test method, it is provided with part flow arrangement below the discharging opening of test screw feeder, two hoppers of weighing it are provided with below part flow arrangement, weigh and be provided with circulation screw feeder below hopper, circulation screw feeder is again for test screw feeder feed, the present invention, by the method circulating static weighing, accurately records the weight of material that test screw feeder carries in a period of time, thus obtains the average discharge in this time period.Error is less than one thousandth.Such that it is able to conveyer device is optimized design according to experimental data, improve transportation performance.And may utilize this assay device, the transportation performance rating test before dispatching from the factory.
Description
Technical field
The present invention relates to conveying test device field, particularly a kind of solid granule conveying test method.
Background technology
In oil drilling and extracting equipment, screw conveyer is the significant components of pressure break fracturing blender truck, the screw conveyer i.e. screw feeder used in prior art, is mainly made up of hydraulic motor or motor, turnover hopper and these three parts of helix transporting device.Its groundwork index is for driving power, sediment transport amount, transfer efficiency.And the parameter affecting above-mentioned working index mainly has the parameters such as speed of screw shaft, helical blade diameter, pitch, helical axis diameter and auger conveyor angle of inclination, gap.The impact on working index of the structural parameters for studying screw conveyer and running parameter can be tested by assay device, find the internal relation of structural parameters and working index, thus provide practical basis for designing high efficiency energy-saving sand conveying device.
Not having in prior art can the parameter such as the slope coefficient of high inclination-angle conveying worm for reference, activity coefficient, frictional behavior；More not for the multifunctional circulation sediment transport assay device at varistructure parameter, running parameter and conveying inclination angle.
Chinese patent literature CN 102419257 A discloses a kind of pressure break fracturing blender truck sediment transport assay device, describe a kind of circulation sand conveying device, have employed solid flowmeter to measure instantaneous delivery and integrated flux, there is problems of, the precision of solid flowmeter is the lowest, error is relatively big, and total error reaches 5% ~ 10%, it is difficult to realize the purpose of test.
Summary of the invention
The technical problem to be solved is to provide a kind of solid granule conveying test method, the accurate measurement of instantaneous delivery and integrated flux can be realized, thus accurately measure single factor test and the Multifactor Combination impact that material is carried by rotating speed, helical blade diameter, helical axis diameter, pitch, gap and inclination angle.Can also be used to the conveying test before auger conveyor product export and Calibration, it is simple to by changing the rotating speed accurate control to material conveying capacity during onsite application.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is: a kind of solid granule conveying test method, it is provided with part flow arrangement below the discharging opening of test screw feeder, switchable first discharging opening and the second discharging opening it is provided with bottom part flow arrangement, it is provided with first below first discharging opening to weigh hopper, being provided with second below second discharging opening to weigh hopper, the first hopper of weighing is positioned at above the charging aperture of the first circulation screw feeder, and the second hopper of weighing is positioned at above the charging aperture of the second circulation screw feeder；
The discharging opening of the first circulation screw feeder and the second circulation screw feeder is positioned at the top of storage bin hopper, and storage bin hopper is positioned at above the charging aperture of test screw feeder；
Test comprises the following steps:
One, set the inclination angle of test screw feeder, part flow arrangement is switched to the first discharging opening, the first closing gate weighing hopper；
Two, storage bin hopper starts feeding, sets the time started to the charging aperture feed of test screw feeder, test screw feeder, and material is discharged to part flow arrangement from the discharging opening of test screw feeder, is drained into first through the first discharging opening and weighs in hopper, and LOAD CELLS starts to weigh；
Three, setting value is reached when the numerical value collecting LOAD CELLS, part flow arrangement is switched to the second discharging opening, first LOAD CELLS weighing hopper is weighed and is obtained maximum, and obtained being transported to the first time period weighing hopper, it is then turned on gate-and-dam discharge to the first circulation screw feeder, starts simultaneously at record and be transported to for the second time weighing hopper；
Four, after part flow arrangement switching puts in place, material is drained into second through the second discharging opening and weighs in hopper, and LOAD CELLS starts to weigh, when the numerical value collecting LOAD CELLS reaches setting value, and part flow arrangement is switched to the first discharging opening；
Five, the second LOAD CELLS weighing hopper is weighed and is obtained maximum, and obtains being transported to the second time period weighing hopper, is then turned on gate-and-dam discharge to the second circulation screw feeder；
So circulation, accurately records the weight of material that test screw feeder carries in a period of time, thus obtains the average discharge in this time period.
In step 3 and step 5, the first circulation screw feeder and the second circulation screw feeder conveying material give the charging aperture feed of test screw feeder to storage bin hopper, storage bin hopper, form circulation.
Test screw feeder is provided with frequency conversion motor, and the torque sensor of setting and angular-rate sensor form closed loop control with frequency conversion motor.
Described test screw feeder is provided with torque sensor and angular-rate sensor, torque sensor and angular-rate sensor and electrically connects with harvester.
Described first hopper and second hopper of weighing of weighing is bearing on support by multiple LOAD CELLSs respectively, and LOAD CELLS electrically connects with harvester, and first weighs hopper and the second bottom weighing hopper is respectively equipped with gate.
In described part flow arrangement, connecting portion at the first discharging opening and the second discharging opening is provided with rotating shaft, and rotating shaft is fixing with cutting plate to be connected, and the termination of rotating shaft is fixing with drivewheel to be connected, drivewheel is connected by flexible drive parts with driven pulley, drives cylinder to be connected with flexible drive parts.
The two ends in cylinder block are driven to be rod chamber.
The top of part flow arrangement is sub-material bucket, is provided with stock guide in the both sides of sub-material bucket and the first discharging opening and the second discharging opening connecting portion.
Charging aperture one end of test screw feeder is hinged with base plate or spacing by the limited block on base plate, and the middle part of test screw feeder is provided with liftable inclination-angle regulating device.
In described inclination-angle regulating device, seat board is hinged with base plate, and seat board is provided with the most axially displaceable rotatable worm gear and nut, the outer wall engagement of worm and wheel nut, and the inwall of worm gear and nut is connected with screw flight, and screw rod is hinged with the middle part of test screw feeder.
A kind of solid granule conveying test method that the present invention provides, by using above-mentioned apparatus and method, by the method circulating static weighing, it is possible to obtain high-precision material conveying instantaneous delivery and integrated flux, error is less than one thousandth.Such that it is able to conveyer device is optimized design according to experimental data, improve transportation performance.And may utilize this assay device, the transportation performance rating test before dispatching from the factory.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the main TV structure schematic diagram of the present invention.
Fig. 2 is the left view structural representation of the present invention.
Fig. 3 is the close-up schematic view of part flow arrangement in the present invention.
Fig. 4 is the structural representation of inclination-angle regulating device in the present invention.
Fig. 5 is the test method flow chart of the present invention.
Fig. 6 is the perspective view of the present invention.
Fig. 7 is the flow chart of weighing utilizing part flow arrangement in the present invention.
In figure: part flow arrangement 1, sub-material bucket 101, stock guide 102, cutting plate 103, drivewheel 104, driven pulley 105, drive cylinder 106, flexible drive parts 107, first discharging opening 108, second discharging opening 109, rotating shaft 110, first weighs hopper 2, LOAD CELLS 21, self-shooter 22, second weighs hopper 2', inclination-angle regulating device 3, inclination angle free bearing 31, nut seat free bearing 32, seat board 33, worm gear and nut 34, worm screw 35, handle 36, limited block 37, screw rod 38, test screw feeder 4, torque sensor 41, angular-rate sensor 42, discharging opening 43, charging aperture 44, spacing column 5, first circulation screw feeder 6, second circulation screw feeder 6', storage bin hopper 7, base plate 8, support 9.
Detailed description of the invention
Embodiment 1:
Such as Fig. 1 ~ 4, in 6, a kind of solid granule conveying test device, it is provided with part flow arrangement 1 below the discharging opening 43 of test screw feeder 4, switchable first discharging opening 108 and the second discharging opening 109 it is provided with bottom part flow arrangement 1, it is provided with first below first discharging opening 108 to weigh hopper 2, being provided with second below second discharging opening 109 to weigh hopper 2', the first hopper 2 of weighing is positioned at above the charging aperture of the first circulation screw feeder 6, and the second hopper 2' that weighs is positioned at above the charging aperture of the second circulation screw feeder 6'；Preferably, described first the hopper 2 and second hopper 2' that weighs that weighs is bearing on support 9 by multiple LOAD CELLSs 21 respectively, and LOAD CELLS 21 electrically connects with harvester, and first weighs hopper 2 and the second bottom weighing hopper 2' is respectively equipped with gate.This example uses by the self-shooter 22 of air cylinder driven.
The discharging opening of the first circulation screw feeder 6 and the second circulation screw feeder 6' is positioned at the top of storage bin hopper 7, and storage bin hopper 7 is positioned at above the charging aperture 44 of test screw feeder 4.Thus structure, material from test screw feeder 4 output, such as quartz sand is being weighed after accurately the measuring of hopper 2' through the first hopper 2 and second of weighing, it is delivered to storage bin hopper 7 again through the first circulation screw feeder 6 and the second circulation screw feeder 6', thus realize cyclic test, with within the longer time period, it is thus achieved that more accurate test data, or by the longer time, test each test parameters and test screw feeder 4 is carried the impact of material.
Described test screw feeder 4 is provided with torque sensor 41 and angular-rate sensor 42, torque sensor 41 and angular-rate sensor 42 and electrically connects with harvester.Thus structure, it is simple to realize automatically controlling by PLC or industrial computer, reduce the labor intensity in process of the test.Preferably, test screw feeder 4 is provided with frequency conversion motor, by the speed of change, thus the test screw feeder 4 under measuring different parameters, moment of torsion at various speeds, can feed back the error of actual speed and converter output speed by angular-rate sensor 42, to realize optimizing design.
Part flow arrangement 1 has more in the prior art, such as conventional material diversion device, the preferred scheme of this example is as shown in Figure 3, in described part flow arrangement 1, connecting portion at the first discharging opening 108 and the second discharging opening 109 is provided with rotating shaft 110, rotating shaft 110 is fixing with cutting plate 103 to be connected, it is indent arc that cutting plate 103 in this example preferably employs cross section, thus structure, in Flow of Goods and Materials, material concentrates on the axis of cutting plate 103, thus reduces the seal request between the housing of cutting plate 103 and part flow arrangement 1.
In this example, the termination of rotating shaft 110 stretches out that the housing of part flow arrangement 1 is fixing with drivewheel 104 to be connected, drivewheel 104 is connected by flexible drive parts 107 with driven pulley 105, flexible drive parts 107 in this example includes chain, toothed timing belt or V-belt etc., drives cylinder 106 to be connected with flexible drive parts 107.In this example, by chain-drive mechanism or belt gear, the linear motion driving cylinder 106 is converted to rotary motion, especially in transformation process, there is buffering and avoid damaging parts.In figure as left in Fig. 3, when the piston rod driving cylinder 106 stretches out, drive flexible drive parts 107 to left movement, thus drive drivewheel 104 to turn clockwise, rotating shaft 110 and cutting plate 103 turn clockwise accordingly, thus complete the switching of cutting plate 103, as shown in right in Figure 3.Material channel is switched to the second discharging opening 109.
Interchangeable, it is also possible to connecting rod is set in the termination of rotating shaft 110, drive cylinder 106 and rod hinge connection, by driving the stretching motion of cylinder 106, drive shaft 110 and cutting plate 103 rotate.But in the structure shown here, cutting plate 103 rotate to be variable motion, the impact of stream symmetry heavy burder bucket can be affected, thus affect weighing precision.And use driving cylinder 106 to drive the reciprocating mode of flexible drive parts 107, then it is uniform motion.
Further preferred, drive the two ends in cylinder 106 cylinder body to be rod chamber, i.e. drive the piston rod of cylinder 106 all to run through whole cylinder body, thus structure in running, guarantee that speed when cutting plate 103 switches to both sides is identical, thus improve weighing precision.
Preferably in scheme such as Fig. 3, the top of part flow arrangement 1 is sub-material bucket 101, it is provided with stock guide 102 in the both sides of sub-material bucket 101 and the first discharging opening 108 and the second discharging opening 109 connecting portion, thus structure, avoid the gap between cutting plate 103 and sub-material bucket 101 to cause material from leakage, thus weigh inaccurate.In the present invention, the advantage of part flow arrangement 1 is that switching control is convenient, without material leakage, thus is beneficial to measure accurately, requires low to parts size precision.
In Fig. 4, charging aperture 44 one end of test screw feeder 4 is hinged with base plate 8 or spacing by the limited block 37 on base plate 8, and the middle part of test screw feeder 4 is provided with liftable inclination-angle regulating device 3.
Preferably in scheme, in described inclination-angle regulating device 3, seat board 33 is hinged with base plate 8, rotatable the most axially displaceable worm gear and nut 34 is installed on seat board 33, as shown in Figure 4, worm gear and nut 34 is movably embedded in seat board 33 housing, and the two ends of worm gear and nut 34 arrange thrust bearing, so that worm gear and nut 34 can only rotate, it is impossible to axially displacement.Worm screw 35 engages with the outer wall of worm gear and nut 34, and to drive worm gear and nut 34 to rotate by worm screw 35, the inwall of worm gear and nut 34 is threadeded with screw rod 38, with the rotation by worm gear and nut 34, drives screw rod 38 to lift, and screw rod 38 is hinged with the middle part of test screw feeder 4.Thus structure, can be conveniently adjusted the inclination angle of test screw feeder 4, can electrodeless regulation between 35 degree to 55 degree.In this example, worm gear and nut are combined into a part, simplify structure, also allow for realizing inclination-angle regulating device self-locking.Figure have employed the scheme that handle 36 is adjusted, use motor or fluid motor-driven worm screw 35 to rotate and be adjusted also being feasible.In this example, spacing column 5 defines two side positions of test screw feeder 4, makes test screw feeder 4 be only capable of between spacing column 5 sliding.
Embodiment 2:
On the basis of embodiment 1, such as Fig. 5, shown in 7, a kind of method using above-mentioned assay device to carry out conveying test, comprise the following steps:
One, set the inclination angle of test screw feeder 4 by inclination-angle regulating device 3, part flow arrangement 1 is switched to the first discharging opening 108, now the first closing gate weighing hopper 2, as shown in the left figure in Fig. 3；
Two, charging aperture 44 feed of test screw feeder 4 given by storage bin hopper 7, preferably, the discharging opening of storage bin hopper 7 is positioned at below charging aperture 44 top of test screw feeder 4, in order to realize without controlling ground continuous feeding, frequency conversion motor or hydraulic motor on test screw feeder 4 start feeding, set time started t0, material is discharged to part flow arrangement 1 from the discharging opening 43 of test screw feeder 4, is drained into first through the first discharging opening 108 and weighs in hopper 2, and now the first LOAD CELLS 21 weighing hopper 2 starts to weigh；Preferably before LOAD CELLS 21 sets, it is set to zero by including whole first weight weighing hopper assembly, thus, it is simple to the later stage calculates, and the most again makes zero.
Three, setting value is reached when the numerical value collecting LOAD CELLS 21, such as material 10 fill whole first weigh hopper 2 85% time, part flow arrangement 1 starts to switch cutting plate the 103 to the second discharging opening 109, owing to the most still there being clout to input from cutting plate 103, LOAD CELLS 21 continues to weigh, until the first LOAD CELLS 21 weighing hopper 2 is weighed and is obtained maximum, and when weight is not further added by, obtaining being transported to the first time period weighing hopper 2, now cutting plate 103 has rotated through horizontal plane.Owing to have employed static accurate weighing, by the available accurately instantaneous delivery of time-sharing measurement, can accurately measure after speed change the impact on feed flow by speed change in this process.As shown in Figure 6, LOAD CELLS 21 the weight maximum obtained of weighing, divided by this time period, available accurate average discharge.It is then turned on first weigh self-shooter 22 discharge of hopper 2 to the first circulation screw feeder 6, while the first time period weighing hopper 2 obtained, starts to record being transported to for the second time weighing hopper 2'；
Four, after cutting plate 103 switching of part flow arrangement 1 puts in place, as shown in the right figure in Fig. 3, material 10 is drained into second through the second discharging opening 109 and weighs in hopper 2', LOAD CELLS 21 starts to weigh, when the numerical value collecting LOAD CELLS 21 reaches setting value, and part flow arrangement 1 again switches to the first discharging opening 108；
Five, the second LOAD CELLS 21 weighing hopper 2' is weighed and is obtained maximum, and obtains being transported to the second time period weighing hopper 2', is then turned on gate-and-dam discharge to the second circulation screw feeder 6'；
So circulation, accurately records the weight of material that test screw feeder 4 carries in a period of time, thus obtains the instantaneous delivery in this time period and average discharge.Through repeatedly circulating for a long time, it is possible to obtain the most accurate average discharge, or obtain the long-play impact on equipment parameters.
In step 3 and step 5, the first circulation screw feeder 6 and the second circulation screw feeder 6' conveying material are given charging aperture 44 feed of test screw feeder 4 to storage bin hopper 7, storage bin hopper 7, are formed circulation.
Preferably in scheme, test screw feeder 4 is provided with frequency conversion motor, and torque sensor 41 and the angular-rate sensor 42 of setting form closed loop control with frequency conversion motor by PLC or industrial computer.Such as fed back the output speed of frequency conversion motor by angular-rate sensor 42, to realize the closed loop control of permanent rotating speed, by setting torque value, it is achieved the closed loop control of permanent moment of torsion.
The above embodiments are only the preferred technical solution of the present invention; and it is not construed as the restriction for the present invention; the technical scheme that protection scope of the present invention should be recorded with claim, is protection domain including the equivalents of technical characteristic in the technical scheme that claim is recorded.Equivalent the most in this range is improved, also within protection scope of the present invention.
Claims (10)
1. a solid granule conveying test method, it is characterized in that: discharging opening (43) lower section of test screw feeder (4) is provided with part flow arrangement (1), part flow arrangement (1) bottom is provided with switchable first discharging opening (108) and the second discharging opening (109), first discharging opening (108) lower section is provided with first and weighs hopper (2), second discharging opening (109) lower section is provided with second and weighs hopper (2'), first hopper (2) of weighing is positioned at above the charging aperture of the first circulation screw feeder (6), and (2') the second hopper of weighing is positioned at above the second circulation screw feeder charging aperture (6')；
First circulation screw feeder (6) and the second circulation screw feeder discharging opening (6') are positioned at the top of storage bin hopper (7), and storage bin hopper (7) is positioned at charging aperture (44) top of test screw feeder (4)；
Test comprises the following steps:
One, set the inclination angle of test screw feeder (4), part flow arrangement (1) is switched to the first discharging opening (108), the first closing gate weighing hopper (2)；
Two, storage bin hopper (7) starts feeding to charging aperture (44) feed of test screw feeder (4), test screw feeder (4), sets time started (t0), material is discharged to part flow arrangement (1) from the discharging opening (43) of test screw feeder (4), is drained into first through the first discharging opening (108) and weighs in hopper (2), and LOAD CELLS (21) starts to weigh；
Three, setting value is reached when the numerical value collecting LOAD CELLS (21), part flow arrangement (1) is switched to the second discharging opening (109), first LOAD CELLS (21) weighing hopper (2) is weighed and is obtained maximum, and obtained being transported to the first time period weighing hopper (2), it is then turned on gate-and-dam discharge to the first circulation screw feeder (6), starts simultaneously at record and be transported to second and weigh the hopper time (2')；
Four, after part flow arrangement (1) switching puts in place, material through the second discharging opening (109) be drained into second weigh hopper (2') in, LOAD CELLS (21) starts to weigh, when the numerical value collecting LOAD CELLS (21) reaches setting value, and part flow arrangement (1) is switched to the first discharging opening (108)；
Five, the second hopper LOAD CELLS (21) (2') of weighing is weighed and is obtained maximum, and obtains being transported to second and weigh the hopper time period (2'), is then turned on gate-and-dam discharge to the second circulation screw feeder (6')；
So circulation, accurately records the weight of material that test screw feeder (4) carries in a period of time, thus obtains the average discharge in this time period.
A kind of solid granule conveying test method the most according to claim 1, it is characterized in that: in step 3 and step 5, first circulation screw feeder (6) and second circulates screw feeder and (6') carries material to storage bin hopper (7), charging aperture (44) feed of test screw feeder (4) given by storage bin hopper (7), forms circulation.
A kind of solid granule conveying test method the most according to claim 1, is characterized in that: test screw feeder (4) is provided with frequency conversion motor, the torque sensor (41) of setting and angular-rate sensor (42) form closed loop control with frequency conversion motor.
A kind of solid granule conveying test method the most according to claim 1, it is characterized in that: described test screw feeder (4) is provided with torque sensor (41) and angular-rate sensor (42), torque sensor (41) and angular-rate sensor (42) and electrically connects with harvester.
A kind of solid granule conveying test method the most according to claim 1, it is characterized in that: described first hopper (2) and second hopper of weighing of weighing is bearing on support (9) by multiple LOAD CELLSs (21) the most respectively, LOAD CELLS (21) electrically connects with harvester, and the first hopper (2) and second hopper bottom (2') of weighing of weighing is respectively equipped with gate.
A kind of solid granule conveying test method the most according to claim 1, it is characterized in that: in described part flow arrangement (1), connecting portion at the first discharging opening (108) and the second discharging opening (109) is provided with rotating shaft (110), rotating shaft (110) is fixing with cutting plate (103) to be connected, the termination of rotating shaft (110) is fixing with drivewheel (104) to be connected, drivewheel (104) is connected by flexible drive parts (107) with driven pulley (105), drives cylinder (106) to be connected with flexible drive parts (107).
A kind of solid granule conveying test method the most according to claim 6, is characterized in that: drive the two ends in cylinder (106) cylinder body to be rod chamber.
A kind of solid granule conveying test method the most according to claim 6, it is characterized in that: the top of part flow arrangement (1) is sub-material bucket (101), be provided with stock guide (102) in the both sides of sub-material bucket (101) with the first discharging opening (108) and the second discharging opening (109) connecting portion.
A kind of solid granule conveying test method the most according to claim 1, it is characterized in that: charging aperture (44) one end of test screw feeder (4) is hinged with base plate (8) or spacing by the limited block (37) on base plate (8), the middle part of test screw feeder (4) is provided with liftable inclination-angle regulating device (3).
A kind of solid granule conveying test method the most according to claim 9, it is characterized in that: in described inclination-angle regulating device (3), seat board (33) is hinged with base plate (8), rotatable the most axially displaceable worm gear and nut (34) is installed on seat board (33), worm screw (35) engages with the outer wall of worm gear and nut (34), the inwall of worm gear and nut (34) is threadeded with screw rod (38), and screw rod (38) is hinged with the middle part of test screw feeder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410726868.XA CN104444263B (en) | 2014-12-04 | 2014-12-04 | Solid granule conveying test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410726868.XA CN104444263B (en) | 2014-12-04 | 2014-12-04 | Solid granule conveying test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104444263A CN104444263A (en) | 2015-03-25 |
| CN104444263B true CN104444263B (en) | 2016-08-31 |
Family
ID=52891157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410726868.XA Active CN104444263B (en) | 2014-12-04 | 2014-12-04 | Solid granule conveying test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104444263B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258768B (en) * | 2015-11-05 | 2018-02-06 | 四川宏华石油设备有限公司 | A kind of auger caliberating device |
| CN110595747A (en) * | 2019-09-06 | 2019-12-20 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Sand loading calibration device for grinding wheel of sand mixing truck and use method of sand loading calibration device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001149909A (en) * | 1999-11-26 | 2001-06-05 | Yujiro Baba | Producing method of reclaimed sand using waste incineration residue as raw material |
| JP2005118666A (en) * | 2003-10-16 | 2005-05-12 | Nippon Jido Kiko Kk | Solid-liquid separating/recovering apparatus |
| CN202296217U (en) * | 2011-10-09 | 2012-07-04 | 中国石化集团江汉石油管理局第四机械厂 | Independently-lifting spiral sand conveying device |
| CN102419257A (en) * | 2011-12-16 | 2012-04-18 | 中国石化集团江汉石油管理局第四机械厂 | Sand conveying test device of sand fracturing and mixing vehicle |
| CN203412564U (en) * | 2013-07-16 | 2014-01-29 | 湖北龙脉宜和石油科技有限公司 | Sand hopper separation device of sand mixing truck |
-
2014
- 2014-12-04 CN CN201410726868.XA patent/CN104444263B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104444263A (en) | 2015-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104555356B (en) | The continuous carrying method of accurate weighing | |
| CN104477609B (en) | Elevator bucket conveyer experimental rig and method | |
| CN210592538U (en) | High-precision weighing and feeding mechanism | |
| CN102910302B (en) | Belt conveying feeding electronic ration package scale | |
| CN104229167B (en) | One is weighed blanking device | |
| CN104444263B (en) | Solid granule conveying test method | |
| CN204264939U (en) | Solid granule conveying test device | |
| CN104773476B (en) | Solid granule conveying test device | |
| CN104477629B (en) | Sand conveyor test device and method | |
| CN104444222B (en) | Accurate weighing continuous conveying device | |
| CN103196790B (en) | Cereal unit weight automatic measuring equipment and method | |
| CN204341939U (en) | Sediment transport machine experimental set-up | |
| CN201752228U (en) | Material blending auger device | |
| CN204264919U (en) | Elevator bucket conveyer experimental set-up | |
| CN108772682A (en) | One kind tearing chopsticks machine open automatically | |
| CN202379430U (en) | Screw discontinuous quantitative feeding system based on intelligent Agent | |
| CN201753444U (en) | Self-control belt conveying scraping-throwing type sand feeding machine | |
| CN202828121U (en) | Belt transport feeding type electric rationed packing scales | |
| CN216037483U (en) | Automatic batching device | |
| CN109941774A (en) | A kind of multi-channel metering machine | |
| RU2757491C1 (en) | Automatic device for aerobic solid-phase fermentation of cake with the help of microorganisms | |
| CN213005910U (en) | Mixing station | |
| CN204078099U (en) | One is weighed blanking device | |
| CN211013181U (en) | Quantitative metering equipment for asphalt mixture | |
| CN214732204U (en) | Multipurpose rice seedling tray conveyor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200424 Address after: 434020 No. 1 Longshan Temple Street, Jingzhou District, Jingzhou, Hubei Co-patentee after: Yangtze University Patentee after: SINOPEC SIJI PETROLEUM MACHINERY Co.,Ltd. Co-patentee after: SINOPEC OILFIELD EQUIPMENT Corp. Address before: 434023 Hubei province Jingzhou Jingzhou District West Gate Longshan Temple Co-patentee before: Yangtze University Patentee before: SJ PETROLEUM MACHINERY CO., LTD. SINOPEC |
|
| TR01 | Transfer of patent right |