CN116660455B - Methylene blue MB value measuring device and MB value measuring method thereof - Google Patents
Methylene blue MB value measuring device and MB value measuring method thereof Download PDFInfo
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- CN116660455B CN116660455B CN202310948136.4A CN202310948136A CN116660455B CN 116660455 B CN116660455 B CN 116660455B CN 202310948136 A CN202310948136 A CN 202310948136A CN 116660455 B CN116660455 B CN 116660455B
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- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 229960000907 methylthioninium chloride Drugs 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000004576 sand Substances 0.000 claims abstract description 224
- 238000007598 dipping method Methods 0.000 claims abstract description 43
- 229940027990 methylene blue injection Drugs 0.000 claims abstract description 32
- 239000000243 solution Substances 0.000 claims description 45
- 238000007873 sieving Methods 0.000 claims description 35
- 238000003760 magnetic stirring Methods 0.000 claims description 20
- 229940090044 injection Drugs 0.000 claims description 17
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 238000005259 measurement Methods 0.000 claims description 16
- 239000000725 suspension Substances 0.000 claims description 15
- 239000012153 distilled water Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 claims description 9
- 125000001475 halogen functional group Chemical group 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 238000004448 titration Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- 239000013049 sediment Substances 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 description 22
- 238000000926 separation method Methods 0.000 description 15
- 238000002474 experimental method Methods 0.000 description 10
- 238000002955 isolation Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000007480 spreading Effects 0.000 description 4
- 238000003892 spreading Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
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- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
- G01G17/04—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes
- G01G17/06—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes having means for controlling the supply or discharge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
Abstract
The invention discloses a methylene blue MB value measuring device and a MB value measuring method thereof, wherein the methylene blue MB value measuring device comprises a base station, a rotary round table, a sand shaking device, an image recognition device, a methylene blue injection device and a dipping device which are arranged on the rotary round table; the invention can measure the MB value of the machine-made sand methylene blue by the base station, the rotary round table and various corresponding devices arranged on the rotary round table and the base station.
Description
Technical Field
The invention relates to the technical field of machine-made sand MB value measurement, in particular to a methylene blue MB value measurement device and a MB value measurement method thereof.
Background
Because of the shortage of natural sand resources, machine-made sand is increasingly favored by the market and is widely applied to concrete production. However, stone powder and mud powder contained in the machine-made sand can influence the workability, strength and durability of the concrete, especially the mud powder; in the actual production process of concrete, the concrete performance produced under the conditions of the same concrete mixing ratio and different raw materials can have great difference under the influence of the uncontrollable factor of large fluctuation of the quality attribute of the raw materials; therefore, in order to meet the target performance requirement of the concrete, aiming at the raw material of the sand, when the powder content of the sand changes, the dosage of the additive in the mixing proportion needs to be adjusted in time, so that the target performance requirement of the concrete can be met; the powder content of the machine-made sand is usually detected by measuring an MB value (methylene blue value) to judge whether the mud powder with the grain diameter smaller than 0.075mm in the machine-made sand accords with the corresponding index; in the conventional measurement of the MB value of the machine-made sand, the following problems exist:
(1) When the MB value of the traditional machine-made sand is measured, a screening machine is required to be adopted to screen the machine-made sand in advance;
(2) The traditional machine-made sand MB detection is usually carried out manually, for example, a step-by-step judging method needs to manually add methylene blue solution into the solution for many times, in the engineering, larger errors can be generated manually, meanwhile, whether the drip point halos titrated on the filter paper are qualified or not is judged manually, the judging means gives different results under different operators, and the experimental errors are further enlarged;
(3) The traditional machine-made sand MB value determination speed is fussy and slow, and the detection method is as follows: the quick determination method only takes MB value equal to 1.4 as an evaluation standard to determine whether the methylene blue test is qualified, the measurement range of the machine-made sand provided by the method is too large, and the method cannot meet the measurement precision of concrete mass adjustment by specific proportioning under the foundation construction scene of part of high standard requirements, so that a method capable of quickly determining and providing MB value interval range with enough precision is also needed.
Disclosure of Invention
The present invention aims to provide a methylene blue MB value measuring apparatus and a method for measuring MB value thereof, which solve the above problems.
The invention is realized by the following technical scheme:
generally, a methylene blue MB value measuring device comprises a base station, a rotary round table and a sand shaking device, an image recognition device, a methylene blue injection device and a dipping device which are arranged on the rotary round table, wherein the base station is provided with a chassis, a magnetic stirring table and a paper spreading table are arranged on the upper side plane of the chassis, a plurality of supporting feet are arranged on the circumference of the bottom of the chassis, a vertical first motor is fixed in the middle position of the bottom of the chassis, a rotating shaft of the vertical first motor penetrates through a round hole arranged in the middle of the chassis and vertically extends upwards, the upper part of the rotating shaft of the first motor is connected with the rotary round table, the center of the rotary round table is positioned on the axis of the rotating shaft, the sand shaking device, the image recognition device, the methylene blue injection device and the dipping device are circumferentially arranged on the rotary round table, the first motor can drive the rotary round table to rotate through the rotary shaft, and further drive the sand shaking device, the image recognition device, the methylene blue injection device and the dipping device to vertically face upwards relative position of the chassis; the magnetic stirring table and the paper laying table are further arranged on the base table, and the sand shaking device, the image recognition device, the methylene blue injection device and the dipping device which can be caused by rotating the rotary round table are arranged above the magnetic stirring table and the paper laying table.
Preferably, the sand vibrating device comprises a sand vibrating cavity, wherein the sand vibrating cavity is a cylindrical cavity, a plurality of sand sieving cylindrical holes are uniformly distributed on the circumference of the bottom of the sand vibrating cavity, and a second fine filter screen is arranged at the bottom of the sand sieving cylindrical holes; the middle part of the sand filtering device is provided with a cylindrical cavity, the cylindrical cavity and the sand shaking cavity are coaxial, a second motor which is vertically downward is arranged in the cylindrical cavity, the lower end of a rotating shaft of the second motor is connected with a sand isolation disc, the end head of the rotating shaft is connected with the circle center of the sand isolation disc, the circle center of the sand isolation disc is positioned at the axial position of the sand shaking cavity, the sand isolation disc is attached to the bottom of the sand shaking cavity, sand through holes which are the same in number with the plurality of sand sieving cylindrical holes are uniformly distributed on the circumference of the sand isolation disc, and the second motor can drive the sand isolation disc to rotate so as to change the relative positions of the sand sieving holes and the sand through holes in the vertical direction; the outer side of the upper edge of the shake sand cavity is also provided with a mounting pipe for mounting a shake motor, and the mounting pipe and the shake sand cavity face the same direction; the inside of the vibration cavity is also provided with a first coarse screen, the middle part of the first coarse screen is provided with a through hole of a cylindrical cavity, the first coarse screen is arranged above a plurality of sand sieving cylindrical holes, the edges of the first coarse screen are abutted against the inner wall of the sand sieving cavity, the sand sieving cavity is provided with the first coarse screen and a plurality of second fine screens for filtering two-stage machine-made sand, so that the sand sieving device can filter out machine-made sand particles with the particle size smaller than 2.36mm, the middle part of the sand sieving cavity is provided with the cylindrical cavity, the cylindrical cavity is internally provided with a second motor which is vertically downward, the end head of the second motor is provided with a separation disc, the separation disc is attached to the bottom of the sand sieving cavity, a plurality of sand sieving cylindrical holes distributed circumferentially are matched with the bottom of the sand sieving cavity are provided with sand passing holes distributed circumferentially, and the second motor can drive the separation disc to rotate to control whether the sand passing holes are communicated with the sand sieving cylindrical holes at the bottom of the sand sieving cavity, thereby controlling whether the machine-made sand particles with the particle size smaller than 2.36mm are sieved out; meanwhile, an installation pipe is arranged on the outer side of the sand vibrating cavity, a vibrating motor is arranged in the installation pipe, when the sand passing hole is communicated with the sand sieving cylindrical hole, the vibrating motor is started, machine sand is sieved through slight vibration of high frequency of the vibrating motor, and the machine sand is prevented from being blocked on the first coarse filter screen and the second fine filter screen.
Preferably, the methylene blue injection device is provided with a third motor which vertically faces downwards, the bottom of a rotating shaft of the third motor is fixedly provided with a first disc, the circle center of the first disc is positioned above the axis of the rotating shaft of the electric three motors, the upper side edge of the first disc is also provided with a conical bottle, the conical mouth of the conical bottle is vertically downwards, the conical mouth of the conical bottle is also communicated with an injection pipe which vertically faces downwards, the injection pipe vertically passes through the first disc, and the bottom of the injection pipe is also provided with an automatic valve; the first disc is connected through the third motor, so that the first motor can drive the first disc to rotate, and the conical flask arranged on the first disc can be driven to rotate when the first disc rotates, so that the injection pipe below the conical flask can inject methylene blue solution into a plurality of first cylinders arranged circumferentially, and the automatic valve at the bottom of the injection pipe can control the on-off of the injection pipe, so as to control the injection quantity of the methylene blue solution.
Preferably, the top of the vertical orientation of the dipping device is provided with an electric telescopic rod, the end head of a telescopic rod body of the electric telescopic rod is connected with a second disc, the center of the second disc is positioned above the axis of the telescopic rod body, and a plurality of vertical dipping rods are uniformly arranged on the circumference of the bottom of the second disc; through setting up electric telescopic handle in dipping the device, connect the second disc at electric telescopic handle's telescopic rod head to the stick of dipping of standing at the bottom circumference array of second disc, make electric telescopic handle can be through the stick up-and-down motion of the dipping of telescopic rod head control circumference array in vertical direction, and dip in the solution of the first barrel that circumference array set up through this design control dipping rod, and further, will dip in the solution titration to the filter paper top of spreading the paper platform.
Preferably, four groups of equal-diameter tubular installation parts are uniformly arranged on the circumference of the rotary round table in an array manner, and are respectively a sand shaking installation part for installing a sand shaking device, a dipping installation part for installing a dipping device, an image installation part for installing an image recognition device and a methylene blue installation part for installing a methylene blue injection device, wherein the sand shaking installation part, the dipping installation part and the top of the methylene blue installation part are connected with the bottom of the rotary round table, the sand shaking installation part and the methylene blue installation part are communicated with the upper side of the rotary round table through equal-diameter through holes correspondingly arranged on the rotary round table, a stand is arranged on the methylene blue installation part and is used for fixing a third motor to be communicated with the upper side of the rotary round table through telescopic rod holes correspondingly arranged on the rotary round table, the bottom of the image installation part is connected with the top of the rotary round table, and the image installation part is communicated with the lower side of the rotary round table through the equal-diameter through holes correspondingly arranged on the rotary round table; four groups of equal-diameter tubular installation parts are arranged on the rotary round table in a circumferential array mode, so that the rotary round table provides positions of a fixed sand shaking device, a dipping device, a methylene blue injection device and an image recognition device.
Preferably, the magnetic stirring table is provided with a fixed disc, a plurality of tubular bulges are circumferentially arranged in the fixed disc, pressure sensors are respectively arranged at the bottoms of the tubular bulges, a magnetic group disc box is arranged at the top of the pressure sensors, a plurality of electromagnetic windings are uniformly arranged circumferentially in the magnetic group disc box to form an array magnetic group, the magnetic group disc box is correspondingly provided with a sealing cover, and the upper end of the sealing cover is higher than the upper side of the chassis in the vertical direction; the magnetic stirring table is correspondingly provided with a plurality of first cylinders in a matched mode, and first rotors are respectively arranged in the first cylinders; through setting up a plurality of pressure sensor in the chassis bottom, the top of pressure sensor places magnetism group disk box and sets up array winding in magnetism group disk box, and the top of magnetism group disk box sets up magnetism group closing cap, during the test, sets up first barrel in the top again, makes pressure sensor can read first barrel weight variation in real time, and then calculates the change of inside different components, for example adds the weight variation difference of mechanism sand to distilled water and is the weight of mechanism sand.
Preferably, a method for measuring MB value is realized by using the methylene blue MB value measuring apparatus of the present invention, the method comprising the steps of:
step one, white filter paper is paved on a paper paving table, machine-made sand is contained in a sand shaking device, methylene blue solution with concentration of C and density of rho is contained in a methylene blue injection device, simultaneously, N first cylinders respectively containing distilled water with the same volume of V are respectively placed on an array magnetic group of a magnetic stirring table, at the moment, first quality data corresponding to the distilled water are respectively recorded through a pressure sensor under the array magnetic group, and the first cylinders are counted clockwise according to the beginning of one of the first cylinders until the mass of the last first cylinder is recorded as M1, M2, the.
Step two, rotating a rotary round table through a first motor to enable a sand shaking device to be positioned right above N first cylinders, and vibrating screen machine sand in the N first cylinders through the sand shaking device, wherein second mass data M11, M22, and Mnn are read again according to the counting sequence of the step one, the mass data of added machine sand are obtained by subtracting corresponding first mass data from the second mass data, namely third mass data of the machine sand corresponding to the counting sequence of the step one are (M11-M1), (M22-M2), and (Mnn-Mn), and array magnetic groups corresponding to the bottoms of the N first cylinders are started to enable the array magnetic groups to form rotating magnetic fields, the rotating magnetic fields drive first rotors of the first cylinders to rotate, and mixed liquid in each first cylinder is stirred for 5 minutes to form suspension solutions;
Dividing the measurement interval range of MB values according to the sensitivity of the MB values to the dosage of the additive into [ MB0, MB1], [ MB1, MB2], & gt, & lt MB (n-1), wherein MB value data thresholds of each group of test corresponding regulations are MB1, MB2, MB3, & lt MB, and MBn respectively, and calculating the mass of the added methylene blue solution according to the methylene blue measurement thresholds, namely, fourth mass data of the methylene blue solution corresponding to the counting sequence in the step one are rho [ MB1] (M11-M1)/C, rho [ MB2] (M22-M2)/C, & lt, & gt, rho [ MBn ] (Mnn-Mn)/C, and the fourth mass data are simplified as M111, M222, & lt, & gt, mnnn according to the corresponding arrangement sequence; rotating the rotary round table through the first motor to rotate the methylene blue injection device to the position right above the N first cylinders, enabling the methylene blue injection device to be located right above the paper spreading table through the calculated fourth quality data, enabling the third motor to be matched with the automatic valve to inject methylene blue solution with corresponding quality into the corresponding first cylinders according to the counting sequence of the corresponding first step, starting the array magnetic group of the magnetic stirring table again, stirring methylene blue mixed solution for 8 minutes, rotating the rotary round table through the first motor after stirring, enabling the dipping device to rotate to the position above the N first cylinders, dipping the solution of the first cylinders through the dipping rod, enabling the dipping device to be located right above the paper spreading table through the rotary round table of the first motor, and then enabling the dipping suspension solution to downwards extend out of the telescopic rod body through the electric telescopic rod to be titrated on filter paper, and marking titration points dripped on the filter paper as L1, L2, ln according to the counting sequence of the first step;
And fourthly, rotating the rotary round table by using a first motor to rotate the image recognition device to the upper part of the titration table, shooting filter paper by using a camera, positioning and recognizing the marked points of L1, L2, and Ln titrated on the filter paper by using an image recognition technology, cutting off the silt region at the middle position of the titrated point of the suspension solution by using an image processing technology to obtain the cut-off marked points of the marked points of L1, L2, and Ln, marking the cut-off marked points in one-to-one correspondence with the marked points of the suspension solution to form secondary marked points marked as L11, L22, and Lnn, sequentially recognizing whether the secondary marked points have color halos by using the image recognition technology according to the counting sequence of the first step, taking the marked points with stable color halos as MB values of the machine sand, determining a measuring section of the machine sand by using the MB value of the third MB value corresponding to the MB value of the machine sand as a specific measuring section of the machine sand by using a controller, and displaying the MB value section range of the machine sand by using a controller.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the invention, the sand shaking device is arranged, the sand shaking cavity is arranged in the sand shaking device, the circumference array sand sieving cylindrical holes are arranged at the bottom of the sand shaking cavity, the second fine filter screen is arranged in the sand sieving cylindrical holes, the first coarse filter screen is arranged above the second fine filter screen, waste residues and stones in machine-made sand are filtered by the first coarse filter screen, the third motor rotating separation disc is further arranged at the bottom of the sand shaking cavity, and the separation disc can control the on-off of the sand sieving cylindrical holes and the outside, so that whether the machine-made sand is sieved or not is controlled; in addition, by arranging the vibration motor outside the sand vibrating cavity, when the separation disc is communicated with the sand sieving cylindrical hole, the vibration motor can continuously and efficiently screen out machine-made sand from the sand vibrating cavity in a vibration mode, and a series of arrangement of the sand vibrating device enables operators not to need to additionally adopt equipment to screen the machine-made sand in advance, so that the complexity of experiments is reduced to a certain extent;
2. According to the invention, the methylene blue solution is injected through the methylene blue injection device, the on-off state of the methylene blue injection pipe is controlled through the automatic valve, meanwhile, the on-off state of the methylene blue injection solution is used for reading the added weight of the first cylinder in real time through the pressure sensor arranged on the stirring table to determine the mass of the injected methylene blue solution, and when the added mass of the first cylinder is equal to the corresponding mass of the methylene blue to be injected, the automatic valve is controlled to close the injection pipe, so that the methylene blue injection precision is ensured;
3. according to the invention, a plurality of first cylinders are arranged, a plurality of methylene blue measuring intervals are divided in advance according to requirements, and methylene blue MB value intervals corresponding to the measuring mechanism sand are measured at one time, so that the measuring speed of the method is not lower than that of a quick measuring method (the quick measuring method is also used for manually sieving sand and the like), a certain precision MB value interval is further obtained quickly, and for a use scene with high precision requirements (the situation is fewer, one interval measurement can meet most requirements), the method can further carry out interval segmentation on the measured MB value interval through repeated experiments, the measurement is carried out again, and the high-precision MB value interval range of the mechanism sand can be determined through two experiments to meet the requirements.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:
FIG. 1 is a schematic side view of the present application;
FIG. 2 is a schematic view of another side structure of the present application with respect to FIG. 1;
FIG. 3 is a schematic top view of the present application;
FIG. 4 is a schematic diagram of an oblique top view of the present application;
FIG. 5 is a magnetic stirring table of the present application;
FIG. 6 is a disassembled view of the sand shaking apparatus of the present application;
FIG. 7 is a diagram showing the sand shaking cavity cutting of the present application;
FIG. 8 is a schematic diagram of a detail A in FIG. 7;
FIG. 9 is a schematic diagram of a magnetic stirring table and sand shaking device disassembled;
FIG. 10 is a schematic view of detail B in FIG. 9;
FIG. 11 is a schematic view of an inclined top view of the sand shaking device;
FIG. 12 is a schematic view of an inclined top view of a sand shaking device;
FIG. 13 is a schematic view of a plurality of first rotors in an inclined downward configuration;
FIG. 14 is a schematic view of a tilting top view of the base and rotary table;
FIG. 15 is a schematic view of a base and rotary table in an inclined top view;
FIG. 16 is a schematic view of a tilting top view of the methylene blue injection apparatus;
FIG. 17 is a schematic diagram showing an oblique top view of the methylene blue injection apparatus;
FIG. 18 is a schematic view of an image recognition device in a tilted top view configuration;
FIG. 19 is a schematic view showing an oblique top view of the image recognition apparatus;
FIG. 20 is a schematic view of a dipping device.
The reference numerals are represented as follows: 1-dip device, 101-electric telescopic rod, 102-telescopic rod, 103-second disk, 104-dip rod, 2-sand shaking device, 201-sand shaking cavity, 202-sand separating disk, 203-cylindrical cavity, 204-mounting tube, 205-second motor, 206-second fine screen, 207-cylindrical cavity inner wall, 208-first coarse screen, 3-image recognition device, 301-controller, 302-lamp, 303-camera, 304-housing, 4-methylene blue injection device, 401-third motor, 402-conical flask, 403-automatic valve, 404-injection tube, 405-third motor spindle, 406-first disk, 5-magnetic stirring table, 501-fixed disk, 502-pressure sensor, 503-magnetic set disk box, 504-array magnetic set, 505-cover, 506-first cylinder, 507-first rotor, 508-first impeller, 6-base station, 601-paper laying station, 602-first motor, 7-rotation, 701-mount, 702-methylene mount, 702-704-mount, 705-mount, and dip mount, and mount.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
Examples:
as shown in fig. 1 to 20, this embodiment includes a base 6, the base 6 is correspondingly provided with a chassis, the circumference of the bottom of the chassis is provided with a plurality of supporting legs, the middle position of the bottom of the chassis is provided with a vertical first motor 602, the rotating shaft of the first motor 602 vertically passes through the chassis upwards, the center of the chassis is located on the axis of the rotating shaft of the first motor 602, a magnetic stirring table 5 and a paper laying table 601 are further arranged on the chassis, the end of the rotating shaft of the first motor 602 is fixed with a rotary round table 7, four tubular installation parts are respectively provided with a sand shaking installation part 704, an image installation part 702, a dipping installation part 705 and a methylene blue installation part 703, and the corresponding installation parts are respectively correspondingly provided with a sand shaking device 2, an image recognition device 3, a dipping device 1 and a methylene blue injection device 4.
Wherein the magnetic stirring table 5 is provided with a fixed disk 501, six tubular bulges are circumferentially arranged on the upper side of the fixed disk 501, openings of the tubular bulges face upwards, a pressure sensor 502 is arranged at the bottom of the tubular bulges, a magnetic group disk box 503 is arranged on the pressure sensor 502, the magnetic group disk box 503 is a circular box body, an array magnetic group 504 is also fixed in the magnetic group disk box 503, the array magnetic group 504 is composed of a plurality of electromagnetic windings, the magnetic group disk box 503 is also provided with a sealing cover 505, the sealing cover 505 correspondingly seals the magnetic group disk box 503, in the vertical direction, the upper end of the sealing cover 505 is higher than the upper end of the fixed disk 501, the controller 301 controls a switching power supply to control the electromagnetic switching-off and current-in directions of the electromagnetic windings in the array magnetic group 504, and further controls the magnetic field change of the array magnetic group 504, the embodiment adopts the six electromagnetic windings of the circumferential array to switch on and off, when the array magnetic group 504 needs to form a rotating magnetic field, the controller 301 controls three adjacent electromagnetic windings in six groups of electromagnetic windings to be one pole (for example, N pole), controls three other adjacent electromagnetic windings to be one pole (for example, S pole), then the controller 301 continuously controls the magnetic poles to deflect in more than one rotation direction (continuously switches the current direction corresponding to the electromagnetic windings), so that the array magnetic group 504 forms a rotating magnetic field, it is worth mentioning that the technical foundation is very mature by controlling the electromagnetic windings to form the rotating magnetic field to be widely applied to the motor field, the embodiment only briefly explains, the first cylinder 506 is further placed on the cover 505 of the embodiment, the first rotor 507 is further placed on the bottom of the first cylinder 506, the first rotor 507 is formed by a metal disc, and when the array magnetic group 504 generates the rotating magnetic field, the metal disc can be driven by the rotating magnetic field to rotate, the upper portion of the first rotor 507 is further provided with a first impeller 508, and the first impeller 508 can drive the suspension in the first cylinder 506 to rotate, so that the suspension in the first cylinder 506 is driven by magnetic force to be stirred.
The sand shaking device 2 is correspondingly provided with a sand shaking cavity 201, a mounting pipe 204 for mounting a vibration motor is arranged outside the upper side of the sand shaking cavity 201, the vibration motor is mounted in the mounting pipe 204 (for simplifying the drawing display, the drawing is not given, only text description is made, meanwhile, the vibration motor is used as a conventional technical means and is not in the distinguishing characteristic range of the embodiment), a cylindrical cavity 203 is arranged inside the sand shaking cavity 201, six sand sieving cylindrical holes are arranged on the bottom circumference array of the sand shaking cavity 201 and circumferentially distributed outside the circumference of the cylindrical cavity 203, the bottom of the sand sieving cylindrical holes is arranged on a second fine filter screen 206, a first coarse filter screen 208 is further arranged above the sand sieving cylindrical holes, the first coarse filter screen 208 is circular, a through hole for penetrating the cylindrical cavity 203 is arranged in the middle, the circumferential side of the first coarse filter screen 208 is abutted with the outer side of the sand shaking cavity 201, the inside of the cylindrical cavity 203 is provided with a second motor 205 which is vertically downward, the rotating shaft of the second motor 205 is vertically oriented, the end head of the rotating shaft of the second motor 205 is fixed with a separation disc, six sand through holes which are equal in diameter with the sand sieving cylindrical holes are distributed on the circumference of the separation disc, the circle center of the separation disc is positioned above the axis of the sand sieving cavity 201, meanwhile, the separation disc is attached to the bottom of the sand sieving cavity 201, the second motor 205 can drive the separation disc to rotate, and then the six sand through holes are controlled to be communicated with the six sand sieving cylindrical holes, when the sand through holes of the separation disc are communicated with the six sand sieving cylindrical holes or are partially communicated with the six sand sieving cylindrical holes, and an operator places machine-made sand in the sand sieving cavity 201, and starts a vibration motor, the machine-made sand can be downwards vibrated by high-frequency light micro vibration of the vibration motor, and obviously, in the process of the machine-made sand sieve, the rotation of the separation disc can be controlled by controlling the second motor 205, and further control the communication degree (for example, in the vertical direction, the sand through holes and the sand screening cylindrical holes are completely overlapped, namely, the sand through holes and the sand screening cylindrical holes are completely communicated, and only half of the sand through holes are overlapped, namely, half of the sand through holes are communicated) between the sand through holes of the separation disc and the sand screening cylindrical holes at the bottom of the sand shaking cavity 201, and further control the speed of the machine-made sand shaking screen of the sand shaking cavity 201 entering the first barrel 506 of the embodiment, and further control the dropping speed of the machine-made sand of the shaking screen to a certain extent.
The controller 301 is arranged on the upper side of the image recognition device 3, a chip with the model of STM32F103ZE is adopted as a control main brain by the controller 301, the controller 301 correspondingly comprises various electric control units such as electric control units of motors and magnetic stirring, image processing recognition units and the like in the embodiment, the embodiment is subjected to centralized electronic control, the bottom of the image recognition device 3 is provided with a camera 303 and a lamp 302 for illumination, so that the embodiment can work well under the condition of poor light, and it is worth mentioning that a plurality of electronic and electric technical means related to the controller 301 in the embodiment are widely applied to various fields such as motors, artificial intelligence (image recognition processing), power transmission and the like, the electronic and electric means of the image recognition device 3 are re-absorbed and operated by mature means, and meanwhile, the basic characteristics of the electronic and electric means are not in the distinguishing characteristic range of the embodiment, and the embodiment is only briefly mentioned.
The dipping device 1 is correspondingly provided with an electric telescopic rod 101, the electric telescopic rod 101 is vertically downwards arranged on the rotary round table 7, a telescopic rod body 102 of the electric telescopic rod 101 penetrates through the rotary round table 7 to be connected with a second circular disc 103 arranged below the rotary round table 7, the circle center of the second circular disc 103 is located on the axis of the telescopic rod body 102, the controller 301 controls the electric telescopic rod 101, and then controls the telescopic rod body 102 to drive the second circular disc 103 to move back and forth in the vertical direction, six vertical dipping rods 104 are arranged at the bottom of the second circular disc 103 in a circumferential array, and the dipping rods 104 are made of glass rods.
The methylene blue injection device 4 is provided with a first disc 406, the upper side of the center of the first disc 406 is connected with a rotating shaft of a third motor 401, the upper side of the circumference of the third motor 401 is also provided with a conical flask 402 which is in necking from top to bottom in the vertical direction, the necking of the conical flask 402 is provided with an injection pipe 404, the injection pipe 404 vertically passes through the first disc 406 downwards, the bottom of the injection pipe 404 is also provided with an automatic valve 403, the conical flask 402 is provided with methylene blue solution, the controller 301 can control the on-off of the injection pipe 404 through controlling the automatic valve 403, and then control whether the injection pipe 404 outputs methylene blue solution, and when methylene blue solution is sequentially added to the first cylinders 506 of the circumferential array, the third motor 401 drives the conical flask 402 arranged on the first disc 406 to rotate through rotating the first disc 406, and then adjusts and controls the relative positions of the conical flask 402 and the six first cylinders 506 in the embodiment, and then the methylene blue solution is added to the specific first cylinders 506 after alignment.
Examples experiments were performed by the following steps:
firstly, white filter paper is paved on a paper paving table 601, machine-made sand is contained in a sand shaking device 2, methylene blue solution with concentration of C and density of rho is contained in a methylene blue injection device 4, meanwhile, N first cylinders 506 respectively containing distilled water with the same volume of V are respectively arranged on an array magnetic group 504 of a magnetic stirring table 5, at the moment, first quality data corresponding to the distilled water are respectively recorded through pressure sensors 502 under the array magnetic group 504 (the quality of the distilled water in the embodiment can be the same, certain error can exist between the distilled water quality of each first cylinder 506, the embodiment can be used for reading the distilled water quality of each first cylinder 506 in real time through the pressure sensors 502 and further providing data for the next experiment, the influence accuracy of the error between the distilled water quality on the whole experiment is small (namely, the quantity of the methylene blue solution is added for calculation later), the design is good, the flexibility is provided for the experiment, the characteristics that the traditional machine-made sand value measurement does not have are recorded according to the first quality and second quality data, namely M.1 and M.M. of the first cylinders 506 are respectively; recording basic data of an experiment through pre-preparation before the experiment, and providing support for later data;
Step two, the rotary round table 7 is rotated by the first motor 602 to enable the sand shaking device 2 to be located right above each of the N first cylinders 506, the sand shaking device 2 shakes and spreads machine-made sand to the N first cylinders 506 in the step one, wherein second quality data M11, M22, and Mnn are read again according to the counting sequence of the step one, when the sand shaking device 2 adds machine-made sand to the six first cylinders 506, the machine-made sand has a certain error (relatively smaller error) to the quality among the first cylinders 506, the added quality of the machine-made sand corresponding to the first cylinders 506 is read in real time by the pressure sensor 502, data support is provided for adding methylene blue in the next step, the quality data of the added machine-made sand is obtained by subtracting the corresponding first quality data from the second quality data, namely third quality data of the machine-made sand corresponding to the counting sequence of the step one are (M11-M1), (M22-M2), and (Mnn-Mn), and the machine-made sand are opened, the first magnetic field array 506 is formed by opening the corresponding set of the bottom of the N first cylinders 506, and the first rotary magnetic field array 506 is driven by the rotary magnetic field array 506, and the rotary magnetic field 5 is formed by the rotary magnetic field array 506; it should be noted that the basic principle of performing the sand vibration machine by the sand vibration device 2 is that an operator sets the set mass of the machine-made sand of the first cylinder 506 by the whole sand vibration sieve, when the sand vibration device 2 shakes the machine-made sand into each first cylinder 506, the mass change of the machine-made sand in the first cylinder 506 (the existing mass of the first cylinder 506 is subtracted from the original mass in real time to obtain the mass of the machine-made sand), the mass of the machine-made sand added in each first cylinder 506 is added, the total mass added by the machine-made sand is calculated in real time, when the total mass is equal to the set mass set by the operator, the vibration motor corresponding to the sand vibration device 2 is closed, the separation disc is driven to rotate by the second motor 205, and then the sand sieving cylindrical hole of the sand vibration cavity 201 is closed, and after the closing is completed, the corresponding second mass data is read and recorded;
Dividing the measurement interval range of MB values according to the sensitivity of the MB values to the dosage of the additive into [ MB0, MB1], [ MB1, MB2], & gt, & lt MB (n-1), wherein MB value data thresholds of each group of test corresponding regulations are MB1, MB2, MB3, & lt MB, and MBn respectively, and calculating the mass of the added methylene blue solution according to the methylene blue measurement thresholds, namely, fourth mass data of the methylene blue solution corresponding to the counting sequence in the step one are rho [ MB1] (M11-M1)/C, rho [ MB2] (M22-M2)/C, & lt, & gt, rho [ MBn ] (Mnn-Mn)/C, and the fourth mass data are simplified as M111, M222, & lt, & gt, mnnn according to the corresponding arrangement sequence; rotating the rotary round table 7 through the first motor 602 to rotate the methylene blue injection device 4 to the position right above the N first cylinders 506, enabling the methylene blue injection device 4 to be located right above the paper laying table 601 through fourth quality data obtained through calculation, enabling the third motor 401 to be matched with the automatic valve 403 to inject methylene blue solution with corresponding quality into the corresponding first cylinders 506 according to the counting sequence of the corresponding step one, starting the array magnetic group 504 of the magnetic stirring table 5 again, stirring methylene blue mixed liquid for 8 minutes, rotating the rotary round table 7 through the first motor 602 after stirring is completed, rotating the dipping device 1 to the position above the N first cylinders 506, dipping the solution of the first cylinders 506 through the dipping rod 104, rotating the round table 7 through the first motor 602, enabling the dipping device 1 to be located right above the paper laying table 601, then downwards extending the telescopic rod body 102 through the electric telescopic rod 101 to titrate the dipped suspension onto the filter paper, and marking titration points dripped on the filter paper as L1, L2 and Ln according to the counting sequence of the step one; by adding the methylene blue solution, stirring and titrating to form suspension solution drop points and marking, and providing support for the subsequent image recognition processing, it is worth mentioning that after the controller 301 calculates the added mass of the methylene blue corresponding to each first cylinder 506, the controller 301 controls the automatic valve 403 of the methylene blue injection device 4 to add the mass to the corresponding first cylinder 506, the controller 301 reads the added mass of the methylene blue in real time (the initial mass is subtracted from the real-time total mass) through the pressure sensor 502, and when the added mass of the methylene blue is equal to the calculated added mass, the controller 301 closes the automatic valve 403 to stop adding the methylene blue into the first cylinder 506; meanwhile, the division of the methylene blue interval is formulated according to the actual requirement of a construction site, the formulation means of the methylene blue interval needs to be calculated and divided by an operator, and the methylene blue interval is not included in the working scope of the embodiment, and the embodiment is only briefly mentioned;
Step four, rotating the rotary round table 7 by using the first motor 602 to rotate the image recognition device 3 to the upper part of the titration table, photographing filter paper by using the camera 303, positioning and recognizing the marked points of L1, L2, and Ln titrated on the filter paper by using an image recognition technology, cutting off the silt region at the middle position of the titrated point of the turbid solution by using an image processing technology to obtain cut-off marked points of the marked points of L1, L2, and Ln, marking the cut-off marked points in a one-to-one correspondence manner according to the marked points of the turbid solution to form secondary marked points marked as L11, L22, and Lnn, sequentially recognizing whether the secondary marked points have halos or not by using the image recognition technology according to the counting sequence of step one, taking the marked points with stable halos appearing for the first time as MB values of machine-made sand, determining a step three MB value measuring section corresponding to the MB value of the machine-made sand by the controller 301 as a specific measuring section of the machine-made sand, and displaying the MB value section range of the machine-made sand by the controller 301; the method comprises the steps of forming secondary mark points by intercepting sediment areas at fixed points of suspension solution drops, carrying out image recognition analysis one by a technology corresponding to the first step of the secondary, and firstly generating stable color halo mark points (the first mark point in the arrangement sequence according to the first step is the first mark point instead of the time sequence, namely, the first mark point is analyzed firstly and then the L22 is analyzed sequentially one by one), determining a measurement section of the measured machine-made sand corresponding to the mark points in the first step, displaying the measurement section on a display board of the controller 301, and transmitting the methylene blue section information of the machine-made sand to an operator through the display board of the controller 301.
The first motor 602, the second motor 205, and the third motor 401 in the embodiment all adopt servo motors, the controller 301 controls the rotation angle and rotation of the servo motors according to preset parameters, it is worth mentioning that the whole experimental procedure of the embodiment is (adding machine-made sand in advance, laying filter paper, adding methylene blue solution, and setting distilled water for the first cylinder 506), using the shake-out device 2 to shake-screen machine-made sand for the first cylinder 506, stirring the first cylinder 506, adding methylene blue solution for the first cylinder 506, stirring the first cylinder 506, dipping the suspension solution again using the dipping device 1 and titrating it onto the filter paper, then shooting and processing the filter paper through the image recognition device to obtain a plurality of mark points corresponding to the MB value interval from the base value MB value interval to the high value MB value interval, and simultaneously recognizing and analyzing marks (recognizing sequence from the base value interval to the high value interval, the mark point corresponding to the machine-made sand when the stable color halo appears for the first time) through image processing and determining the numerical value interval of the sand.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The utility model provides a methylene blue MB value survey device, including base station (6), rotatory round platform (7) and set up shake sand device (2) on rotatory round platform (7), image recognition device (3), methylene blue injection device (4) and dip in and get device (1), a serial communication port, base station (6) are provided with the chassis, the upside plane of chassis is provided with magnetic stirring platform (5) and shop paper platform (601), the bottom circumference of chassis is provided with a plurality of stabilizer blades, the intermediate position of the bottom of chassis is fixed with upright first motor (602), the round hole that sets up in the middle part of chassis is passed in the pivot of upright first motor (602), and vertically upwards extend, the upper portion of the pivot of first motor (602) is connected with rotatory round platform (7), the centre of a circle of rotatory round platform (7) is in the axis of pivot, shake sand device (2), image recognition device (3), methylene blue injection device (4) and dip in and get device (1) circumference setting up on rotatory round platform (7), first motor (602) can drive rotatory (7) through the rotation, and then drive and set up in rotation of rotatory round platform (7), shake sand device (3), shake sand device (2), shake sand device (3) and change the upper portion of shaking sand device (3) The relative position of the methylene blue injection device (4) and the dipping device (1) in the vertical direction of the chassis;
The sand shaking device (2) comprises a sand shaking cavity (201), the sand shaking cavity (201) is a cylindrical cavity, a plurality of sand sieving cylindrical holes are uniformly distributed on the circumference of the bottom of the sand shaking cavity (201), and a second fine filter screen (206) is arranged at the bottom of the sand sieving cylindrical holes; the middle part of the sand filtering device is provided with a cylindrical cavity (203), the cylindrical cavity (203) and the sand shaking cavity (201) are coaxial, a second motor (205) which is vertically downward is arranged in the cylindrical cavity (203), the lower end of a rotating shaft of the second motor (205) is connected with a sand separating disc (202), the end head of the rotating shaft is connected with the circle center of the sand separating disc (202), the circle center of the sand separating disc (202) is positioned at the axial position of the sand shaking cavity (201), the sand separating disc (202) is attached to the bottom of the sand shaking cavity (201), sand through holes which are the same in number with the sand sieving cylindrical holes are uniformly distributed in circumference, and the second motor (205) can drive the sand separating disc (202) to rotate so as to change the relative positions of the sand sieving holes and the sand through holes in the vertical direction; the outer side of the upper edge of the shake sand cavity (201) is also provided with a mounting pipe (204) for mounting a shake motor, and the mounting pipe (204) and the shake sand cavity (201) face the same direction; the inside in vibrations chamber still is provided with first coarse screen (208), and first coarse screen (208) middle part is provided with the opening of cylindricality cavity (203), and first coarse screen (208) set up on a plurality of sand screen cylindricality holes, and the inner wall in sand screen chamber (201) is shaken in its edge butt.
2. The methylene blue MB measuring apparatus according to claim 1, wherein the methylene blue injection apparatus (4) is provided with a third motor (401) vertically downward, a first disc (406) is fixed at the bottom of the rotating shaft of the third motor (401), the center of the first disc (406) is located above the axis of the rotating shaft (405) of the third motor, the upper side edge of the first disc (406) is further provided with a conical flask, the conical mouth of the conical flask is vertically downward, the conical mouth of the conical flask is further communicated with an injection pipe (404) vertically downward, the injection pipe (404) vertically passes through the first disc (406), and an automatic valve (403) is further provided at the bottom of the injection pipe (404).
3. The methylene blue MB value measuring device according to claim 1, wherein the electric telescopic rod (101) is arranged at the top of the vertical orientation of the dipping device (1), the end of a telescopic rod body (102) of the electric telescopic rod (101) is connected with a second disc (103), the circle center of the second disc (103) is positioned on the axis of the telescopic rod body (102), and a plurality of vertical dipping rods (104) are uniformly arranged on the circumference of the bottom of the second disc (103).
4. A methylene blue MB measuring apparatus according to any one of claims 1 to 3, wherein four sets of equal diameter tubular mounting portions are provided in a uniform array on the circumference of the rotary circular table (7), respectively, a sand shaking mounting portion (704) for mounting the sand shaking apparatus (2), a dipping mounting portion (705) for mounting the dipping apparatus (1), an image mounting portion (702) for mounting the image recognition apparatus (3), and a methylene blue mounting portion (703) for mounting the methylene blue injection apparatus (4), wherein the sand shaking mounting portion (704), the dipping mounting portion (705), the top of the methylene blue mounting portion (703) are connected to the bottom of the rotary circular table (7), and the sand shaking mounting portion (704), the methylene blue mounting portion (703) are connected to the upper side of the rotary circular table (7) through an equal diameter through-port provided in correspondence with the rotary circular table (7), wherein a stand (701) is provided on the upper side of the methylene blue mounting portion (703), the stand (701) is used for fixing the image mounting portion (705) of the third motor (401) in correspondence with a telescopic shaft (7) provided in correspondence with the rotary circular table (702), the image mounting portion (702) is connected to the bottom of the rotary circular table (702) through a telescopic hole provided in correspondence with the rotary circular table (702), and the like.
5. The methylene blue MB value measuring device according to claim 1, wherein the magnetic stirring table (5) is provided with a fixed disc (501), a plurality of tubular bulges are circumferentially arranged in the fixed disc (501), pressure sensors (502) are respectively arranged at the bottoms of the tubular bulges, a magnetic group disc box (503) is arranged at the top of the pressure sensors (502), a plurality of electromagnetic windings are uniformly arranged circumferentially in the magnetic group disc box (503) to form an array magnetic group (504), the magnetic group disc box (503) is correspondingly provided with a sealing cover (505), and the upper end of the sealing cover (505) is higher than the upper side of the chassis (501) in the vertical direction; the magnetic stirring table (5) is correspondingly provided with a plurality of first cylinder bodies (506) in a matched mode, and first rotors (507) are arranged in the first cylinder bodies (506).
6. A method for determining MB values, the method being carried out using a methylene blue MB value determination apparatus as defined in any one of claims 1 to 5, the method comprising the steps of:
firstly, paving white filter paper on a paper paving table (601), filling machine-made sand into a sand shaking device (2), filling methylene blue solution with concentration of C and density of rho into a methylene blue injection device (4), respectively placing N first cylinders (506) respectively filled with distilled water with the same volume of V on an array magnetic group (504) of a magnetic stirring table (5), at the moment, respectively recording first quality data corresponding to the distilled water through a pressure sensor (502) below the array magnetic group (504), and starting counting clockwise according to one first cylinder (506) until the quality of the last first cylinder (506) is recorded as M1, M2, and Mn;
Step two, rotating a rotary round table (7) through a first motor (602) to enable a sand shaking device (2) to be positioned right above N first cylinders (506), vibrating and screening machine sand in the N first cylinders (506) in the step one through the sand shaking device (2), wherein second mass data M11, M22 and Mnn are read again according to the counting sequence of the step one, the mass data of added machine sand are obtained by subtracting corresponding first mass data from the second mass data, namely third mass data of the machine sand corresponding to the counting sequence of the step one are (M11-M1), (M22-M2), and (Mnn-Mn), and starting array magnetic groups (504) which are arranged at the bottoms of the N first cylinders (506), so that the array magnetic groups (504) form rotating magnetic fields, and the rotating magnetic fields drive first rotors (507) of the first cylinders (506) to rotate, and mixing liquid in the first cylinders (506) is stirred for 5 minutes to form suspension solutions;
dividing the measurement interval range of MB values according to the sensitivity of the MB values to the dosage of the additive into [ MB0, MB1], [ MB1, MB2], & gt, & lt MB (n-1), wherein MB value data thresholds of each group of test corresponding regulations are MB1, MB2, MB3, & lt MB, and MBn respectively, and calculating the mass of the added methylene blue solution according to the methylene blue measurement thresholds, namely, fourth mass data of the methylene blue solution corresponding to the counting sequence in the step one are rho [ MB1] (M11-M1)/C, rho [ MB2] (M22-M2)/C, & lt, & gt, rho [ MBn ] (Mnn-Mn)/C, and the fourth mass data are simplified as M111, M222, & lt, & gt, mnnn according to the corresponding arrangement sequence; rotating the rotary round table (7) through the first motor (602) to rotate the methylene blue injection device (4) to the position right above the N first cylinders (506), wherein the methylene blue injection device (4) is used for injecting methylene blue solution with corresponding mass into the corresponding first cylinders (506) according to the counting sequence of the corresponding first step through the third motor (401) in cooperation with the automatic valve (403), starting the array magnetic group (504) of the magnetic stirring table (5) again, stirring methylene blue mixed solution for 8 minutes, rotating the rotary round table (7) through the first motor (602) after stirring is completed, rotating the dipping device (1) to the position above the N first cylinders (506), dipping the solution of the first cylinders (506) through the dipping rod (104), rotating the round table (7) through the first motor (602), enabling the dipping device (1) to be positioned right above the titration paper laying table (601), and then enabling the dipping device to extend downwards to the titration rod body (102) according to the counting sequence of the filter paper L, and then marking the suspension points as the suspension points L, according to the counting sequence;
And fourthly, rotating a rotary round table (7) by using a first motor (602), rotating an image recognition device (3) to the upper part of a titration table, shooting filter paper by using a camera (303), positioning and recognizing the marked points of L1, L2, and Ln titrated on the filter paper by using an image recognition technology, cutting off the sediment area at the middle position of the titrated point of the suspension solution by using an image processing technology to obtain the cut-off marked points of the marked points of L1, L2, and Ln, marking the cut-off marked points according to the one-to-one correspondence of the marked points of the suspension solution, forming secondary marked points marked as L11, L22, and Lnn, sequentially recognizing whether the secondary marked points have halos or not according to the counting sequence of the first step by using the marked points with stable halos as MB values of the mechanism sand, determining the measured mechanism sand by using a step three MB value measuring section corresponding to the MB value of the mechanism sand by a controller (301), and displaying the MB value measuring section of the range of the mechanism sand by using the controller (301).
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