CN209280607U - A kind of online xrf analysis device of automatic sampling type cement slurry - Google Patents
A kind of online xrf analysis device of automatic sampling type cement slurry Download PDFInfo
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- Sampling And Sample Adjustment (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The utility model discloses a kind of online xrf analysis devices of automatic sampling type cement slurry, the down feather filling mechanism including the sampling mechanism for microsampling, for the material receiving mechanism of quantitative sampling, for the X-fluorescence measuring mechanism of elemental analysis and for cleaning ash discharge.The utility model utilizes the at the uniform velocity microsampling from raw material skewed slot of Mini-type spiral reamer；Sampling amount is controlled using the material receiving mechanism with two-stage level sensor and two-stage flashboard, is realized quantitative to X-fluorescence measuring mechanism to sample；Clout and sample are flow back to again in raw material skewed slot using air conveyor；The continuous circular flow of package unit ensure that the sample doses stabilization and sample timeliness and representativeness for online X-fluorescence measuring mechanism are strong.
Description
Technical field
The utility model relates to industrial material ingredient on-line checking fields more particularly to a kind of for cement slurry
Online xrf analysis device.
Background technique
Cement slurry is the important source link of manufacture of cement, and in cement production process, cement slurry is largely
On determine the product quality of clinker, influence the economic benefit of enterprise.The production of cement slurry is by mining, raw material
Pre-homogenization yard, raw grinding, four process procedure compositions of raw material homogenizing silo, the raw material such as lime stone, clay pass through raw mill
The raw material that loose fines end shape is formed after machine grinding make raw material in suspension using the air conveyer flume that fan airflow drives
State, along pipeline to raw material homogenizing silo, reenters kiln and calcines to form clinker with air-flow, in order to produce High Quality Clinker, ensure
Cement quality, it is most important to raw meal quality and stability efficiently control.
It is logical that X-ray fluorescence spectra analysis (X-ray fluorescence analysis, XRF), which is referred to as xrf analysis,
The characteristic X-ray radiated after measurement sample element is excited is crossed, according to the energy of characteristic X-ray and intensity to element in sample
Qualitatively and quantitatively analyzed.Xrf analysis equipment cost is low, without radioactive source, can satisfy optimal radiation safety
It is required that and be widely used in cement industry, be mature, especially cement production enterprise is to going out in mill raw meal quality control to generally use
Sampler+xrf analysis instrument+artificial ingredient quality control system.With the development need of intelligent industrial, online measuring technique
Quality-monitoring big data can be improved for industrial process with increasingly by the attention of cement industry, therefore by xrf analysis skill
The on-line checking that art is applied to cement slurry will have a good application prospect.
But the xrf analysis instrument of cement industry is participated in dependent on artificial, and traditional xrf analysis equipment is caused to be difficult to
Be directly used in live on-line analysis, be first usually require manually from sample tap sampling, division, grinding, pressure-like, again carry out
Xrf analysis at least needs 30min, time and effort consuming, testing result lag, additionally due to raw material sample tap to result is analyzed
Sampling process be accumulative collection sample in a period of time, rather than real-time sampling, therefore along with the accumulative time-consuming of sampling, control
Period is generally 1 hour or so, lags feedback control system when such a typical long, control effect is poor, followed by tries
Sample is representative poor, and the representativeness of sampling and division process is difficult to ensure, so if xrf analysis system is applied to cement slurry
On-line analysis is firstly the need of the real-time sampling for solving the problems, such as automation.
Secondly, having strict requirements to sample size or thickness of sample when xrf analysis is to Powder analysis, it is desirable that sample
Amount is appropriate and doses is stablized, and the thickness of sample that doses waveguide is formed is different, and caused matrix effect degree is different and then leads
The fluctuation for causing X-fluorescence intensity, influences the stability and accuracy of online xrf analysis result, usually manually oblique from cement slurry
Laboratory is taken back in the sample tap sampling of slot, needs to weigh fixed amount again and is put into measurement material cup, then again by manually putting material cup
Enter and tested in xrf analysis equipment, again by manually removing material cup after the completion of test.Therefore, if by xrf analysis system
It needs to solve the problems, such as quantitatively to sample and automatic final proof simultaneously applied to cement slurry on-line analysis.
Utility model content
The utility model provides a kind of online xrf analysis device of automatic sampling type cement slurry, can canbe used on line to water
The automatic sampling of mud raw material is quantified to sample, X-fluorescence measurement and final proof, solves conventional cement laboratory xrf analysis process pair
The problem of artificial dependence and timeliness lag.
The utility model uses following technical scheme:
A kind of online xrf analysis device of automatic sampling type cement slurry, including sampling mechanism, material receiving mechanism, X-fluorescence are surveyed
Measuring mechanism and down feather filling mechanism；The sampling mechanism is at the uniform velocity micro from the air conveyer flume of cement slurry grinding machine rear end
Acquire raw material sample；The material receiving mechanism is for carrying out the judgement of sample doses, quantitative sampling and sending to X-fluorescence measuring mechanism
Sample；The X-fluorescence measuring mechanism is analyzed for cement slurry elemental composition；The down feather filling mechanism is used for will be in material receiving mechanism
Clout and material cup in the sample measured be expelled back into air conveyer flume again；Wherein sampling mechanism is intermittent continuously adopts
Sample is simultaneously run simultaneously with X-fluorescence measuring mechanism, and material receiving mechanism is for quantitative sampling and gives X-fluorescence measuring mechanism sample presentation, ensures and uses
In X-fluorescence measuring mechanism sample doses all-the-time stable, down feather filling mechanism is by the measurement in material extra in material receiving mechanism and material cup
Sample be expelled back into air conveyer flume and ensured in device completely without clout again, realize online point to cement slurry
Analysis；The sampling mechanism includes the spiral reamer sampler (2) of decelerating motor (1) and its driving, is mounted on after raw mill
Upstream section air conveyer flume (25) side, with a small amount of multiple endless form continuous sampling.
The online xrf analysis device of the automatic sampling type cement slurry, decelerating motor (1) can positive and negative rotation work, just
Turn sampling, invert stock layout, is driven forward spiral reamer sampler (2) and at the uniform velocity takes the raw material sample in air conveyer flume (25) out of
Product, the rotating forward time is fixed every time, and number is rotated forward in a sampling period and is equipped with the upper limit, the reverse drive spiral of decelerating motor (1)
The material in reamer screw thread is discharged in reamer sampler (2).
The output shaft of the online xrf analysis device of the automatic sampling type cement slurry, the decelerating motor (1) turns
Speed is not more than 25r/min；Spiral reamer sampler (2) is made of screw rod and outer tube, outer tube rear end and decelerating motor (1) method
Orchid is fixed and is outputing material mouth close to flange position, and discharge port vertically downward, enables raw material vertical along blanking pipeline (4)
It falls.
The online xrf analysis device of the automatic sampling type cement slurry, screw rod are deep into from side middle and lower part level
The internal length of air conveyer flume (25) is not more than 300mm, and screw flight depth is not less than 5mm；Between outer tube and screw rod
Gap is not more than 2mm, and outer tube front end is provided with charging slot length and is no less than 100mm width not less than 15mm.
The online xrf analysis device of the automatic sampling type cement slurry, the material receiving mechanism include that splicing is electronic
Ball valve (3), blanking pipeline (4), upper glass tube (5), upper breather valve (6), lower glass tube (7), upper flexible flashboard (8), upper material position
Sensor (9), lower flexible flashboard (10), lower level sensor (11), lower breather valve (13), material cup (14) and measurement window
(15)；Splicing electrical ball valve (3) is normally off, is mounted between spiral reamer sampler (2) and blanking pipeline (4)；It is described
Blanking pipeline (4) in the middle part of with down feather filling mechanism sealing be connected, blanking pipeline (4) bottom and upper glass tube (5) sealed connection；Upper glass
Glass pipe (5), upper flexible flashboard (8), lower glass tube (7), lower flexible flashboard (10), material cup (14) and measurement window (15) are from upper past
Under be successively tightly connected.
The online xrf analysis device of the automatic sampling type cement slurry, the upper flexible flashboard (8) and lower flexible
Flashboard (10) structure is identical, the stainless steel substrates and sealing shell with circular hole including telescopic cylinder driving, wherein upper flexible flashboard
(8) it is in normally open, lower flexible flashboard (10) is in normally off；Down flexible flashboard (10) include top cover labyrinth plate (26),
Lower sealing cover plate (27), O-ring (28), stainless steel substrates (29), connection structure (30), telescopic cylinder (31) and flexible flashboard bracket
(32)；Wherein top cover labyrinth plate (26) and lower sealing cover plate (27) the mounting groove with O-ring and hole is opened at center, leads to
Deep gouge is reserved in hole periphery, for connecting with the transition tube socket of lower glass tube (7) bottom end；Stainless steel substrates (29) are surface mirror finish
304 stainless steel substrates and be provided with a material-dropping hole (33), stainless steel substrates (29) pass through connection structure (30) and telescopic cylinder (31)
It is fixed, driven by the movement in telescopic cylinder (31) stroke the back-and-forth motion of the stainless steel substrates (29) with material-dropping hole to
Control blanking switch, telescopic cylinder (31) is mini stainless steel telescopic cylinder, connect compressed air, be fixed on flexible flashboard branch
On frame (32).
The online xrf analysis device of the automatic sampling type cement slurry, the upper level sensor (9) and blanking
Level sensor (11) is scattered reflection type or correlation type photoelectric sensor switch；Upper level sensor (9) is mounted on glass tube
(5) bottom；Lower level sensor (11) is mounted on the bottom of lower glass tube (7).
The online xrf analysis device of the automatic sampling type cement slurry, the upper glass tube (5) and lower glass tube
It (7) is transparent glass tube, wherein upper glass tube (5) are used for and upper level sensor (9) and upper flexible flashboard (8) phase interworking
It closes to monitor material position, the caliber and height of lower glass tube (7) are fixed for accommodating the sample of fixed amount.
The online xrf analysis device of the automatic sampling type cement slurry, upper glass tube (5) bottom have gas
Mouth, gas nozzle be up inclined tubule structures and by three-port structure respectively with upper breather valve (6) and air-operated solenoid valve group
(18) it is connected to, upper breather valve (6) is normally open, so that executing the inside of material receiving mechanism and ambient atmosphere phase in sampling process
It is logical.
The online xrf analysis device of the automatic sampling type cement slurry, the down feather filling mechanism include that clout is electronic
Ball valve (16), clout air conveyor (17), air-powered electromagnetic valve group (18), compressed air source (19), final proof electrical ball valve (20),
Final proof air conveyor (21) and removing ash pipeline (24)；The raw material of removing ash pipeline (24) access air conveyer flume (25)
In machine for zipper, clout electrical ball valve (16), clout air conveyor (17), final proof electrical ball valve (20) and final proof air conveyor
(21) it is disposed in series on removing ash pipeline (24), clout electrical ball valve (16) and final proof electrical ball valve (20) are normally off, are used
The influence of air-flow in air-isolation conveying skewed slot (25).
The utility model has the following beneficial effects:
The utility model is a kind of online xrf analysis device of automatic sampling type cement slurry, is realized raw to mill cement is gone out
It is the on-line automatic sampling of material, quantitative to sample, elemental composition measurement and automatic final proof, solve to traditional laboratory it is artificial rely on
And the problem of result lag and sample representation difference；
The utility model using decelerating motor driving Mini-type spiral reamer out of cement slurry air conveyer flume into
The micro multiple continuously and smoothly's sampling of row, has ensured that blanking speed is controllable, the timeliness and representativeness of sampling are strong.
The utility model, which is utilized, controls sample presentation using the glass tube, two-stage level sensor and two-stage flashboard of fixed volume
Amount reduces influence of the doses fluctuation to X-fluorescence intensity, improves X-fluorescence detection accuracy；
The utility model is compact-sized by the way of splicing in sealing pipeline and sample preparation, and installation and removal are simple, and match
The down feather filling mechanism for using air removal is closed, so that clean in material receiving mechanism；
The utility model uses the window film of high mechanical strength and high X-ray transparent rate, ensures X-ray high transmittance,
And clear material blowing mechanism is combined, keep window and surrounding to clean；
The utility model is using wherein X-fluorescence measuring machine, using the surface of material that the bottom of upper illuminated measurement material cup is smooth,
Reduce error caused by material out-of-flatness；
It is real to be conducive to joint feed proportioning system convenient for docking with cement plant master control system for the communication mode that the utility model uses
Now instruct the automatic blending of raw ingredients.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the online xrf analysis device of the utility model automatic sampling type cement slurry；
Fig. 2 is that the operation of the online xrf analysis device of automatic sampling type cement slurry in the utility model embodiment is patrolled
Collect figure；
Fig. 3 is the main view of the flexible flashboard structure in the utility model embodiment；
Fig. 4 is the top view of the flexible flashboard structure in the utility model embodiment；
Fig. 5 is the upper glass tube structural schematic diagram in the utility model embodiment；
Fig. 6 is the material cup structural schematic diagram in the utility model embodiment；
Fig. 7 is that the raw ingredients X-fluorescence in the utility model embodiment measures energy spectrum diagram.
1: decelerating motor；2: spiral reamer sampler；3: splicing electrical ball valve；4: blanking pipeline；5: upper glass tube；6: on
Breather valve；7: lower glass tube；8: above stretch flashboard；9: upper level sensor；10: lower flexible flashboard；11: lower level sensor；
12: vibrator；13: lower breather valve；14: material cup；15: measurement window；16: clout electrical ball valve；17: clout air conveyor；
18: air-powered electromagnetic valve group；19: compressed air source；20: final proof electrical ball valve；21: final proof air conveyor；22:PLC system；
23:X fluorescence measurement mechanism；24: removing ash pipeline；25: air conveyer flume；26: top cover labyrinth plate；27: lower sealing cover plate；28:O
Type circle；29: stainless steel substrates；30: connection structure；31: telescopic cylinder；32: flexible flashboard bracket；33: material-dropping hole；34: material cup is solid
Determine structure；35: gas nozzle in material cup；36: material cup final proof mouth；37: material cup purges gas nozzle；38: window film fixed ring；39: window film.
Specific embodiment
Below in conjunction with specific embodiment, the utility model is described in detail.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, " X is glimmering for term
The characteristic X-ray that light " can be understood as based on the analysis method of x-ray fluorescence as the case may be and element is inspired is glimmering
Light can understand above-mentioned term in the present invention as the case may be for the ordinary skill in the art
Concrete meaning；"upper", " in ", the location expression that is done of the object modes of emplacement that is based in attached drawing of "lower" and "front", "rear"；
" upstream " and " downstream " using conveying direction of the cement slurry in skewed slot as reference.
As shown in Figure 1, the utility model discloses a kind of online xrf analysis device of automatic sampling type cement slurry, including
Sampling mechanism, material receiving mechanism, X-fluorescence measuring mechanism and down feather filling mechanism.Sampling mechanism, receiver in the utility model embodiment
Structure and X-fluorescence measuring mechanism are sequentially arranged from top to bottom；The sampling mechanism intermittence continuous sampling and with X fluorescence measurement
Mechanism synchronous operation ensure that the sample timeliness for online X-fluorescence measuring mechanism is good, representative strong；Material receiving mechanism is used for
Quantitative sampling and give X-fluorescence measuring mechanism sample presentation, ensure X-fluorescence measuring mechanism sample doses all-the-time stable so that reduce matrix effect
It should influence, improve measurement stability；Down feather filling mechanism by the sample measured in material extra in material receiving mechanism and material cup again
It is expelled back into air conveyer flume and has ensured in device completely without clout.
The sampling mechanism includes the spiral reamer sampler 2 of decelerating motor 1 and connection 1 main shaft of decelerating motor, is slowed down
Motor 1 is the miniature cycloid needle-like decelerating motor of WB85-LD-59-250 type, reduction ratio 1:59, torque 60Nm, output shaft revolving speed
23r/min；Spiral reamer sampler 2 includes outer tube and screw rod, and screw diameter 30mm, screw rod and 1 main shaft of decelerating motor are connected,
Flight pitch 6.5mm, screw thread groove depth 5mm, housing pipe diameter 42mm length 400, outer tube and screw clearance 1mm, before outer tube
End is provided with the feed inlet of length 120mm width 18mm, the supplied materials direction of feed inlet face air conveyer flume 25, outer tube rear end
It is fixed with 1 flange of decelerating motor and is outputing material mouth close to flange position, discharge port vertically downward, passes through sanitation-grade stainless steel tube
The material receiving mechanism of road docking lower section.
The sampling mechanism is mounted on the side of the air conveyer flume 25 of the Upstream section after raw mill, with a small amount of
Multiple endless form continuous sampling is being driven forward the screw rod of spiral reamer sampler 2 at the uniform velocity just by the main shaft of decelerating motor 1
Turn, after entering the raw material band to outer tube in 2 outer tube front end feed inlet of spiral reamer sampler in air conveyer flume 25
There are discharge port vertically downward in end, outer tube rear end, and raw material fall into the material receiving mechanism of lower section by discharge port；
Air conveyer flume 25 is located at raw mill rear end, and a height of 300mm of width 500mm, tilt angle is 7 ° of left sides down
The hole diameter 50mm and welded flange are opened in the center side of air conveyer flume 25 position 70mm on the lower side in the right side, sampling mechanism by
The flange arrangement is mounted on skewed slot side, and it is 250mm that spiral reamer sampler 2, which gos deep into the length in air conveyer flume 25,；Subtract
Speed motor 1 is driven forward spiral reamer sampler 2 and at the uniform velocity takes the raw material sample in air conveyer flume 25 out of, and sampling mechanism is with few
It measures multiple mode to sample, multiple repairing weld in the single sampling period, rotating forward the upper limit is 5 times, is spaced (delay) 2s, and single rotates forward
Time 30s then feeds back material more than upper limit number and does not take full and terminate device operation, and decelerating motor 1 is driven reverse after sampling is full
Spiral reamer sampler 2 inverts so that the material in reamer thread pitch flows back to air delivery by the feed inlet of outer tube front end
In skewed slot 25, waits and enter next sampling period.
The material receiving mechanism includes splicing electrical ball valve 3, blanking pipeline 4, upper glass tube 5, upper breather valve 6, lower glass
Pipe 7, upper flexible flashboard 8, upper level sensor 9, lower flexible flashboard 10, lower level sensor 11, vibrator 12, lower breather valve
13, material cup 14 and measurement window 15；The splicing electrical ball valve 3 is that the sanitation-grade stainless steel of KLD200-DN32 type leads directly to band
The electrical ball valve of feedback signal is in normally off, is mounted on the outer tube discharge port and blanking pipeline of spiral reamer sampler 2
Between 4；The blanking pipeline 4 is sanitation-grade stainless steel tube, by 4 smooth variable diameters of sanitation-grade chuck concentric reducer, front end
Pipe outside diameter be Φ 32mm, middle part is Φ 25 and Φ 19mm, and bottom is Φ 15mm, and the sanitation-grade stainless steel tube of bottom is opened by interior
Transition understructure and upper glass tube 5 of the slot with O-ring are tightly connected, and the Φ 25mm pipeline at 4 middle part of blanking pipeline passes through fast
Three-port structure is connect successively to be connected to removing ash pipeline 24, clout air conveyor 17 and clout electrical ball valve 16.
The material receiving mechanism for quantitative sampling and give X-fluorescence measuring mechanism sample presentation, into material receiving mechanism raw material according to
It is secondary to be fallen into lower glass tube 7 along blanking pipeline 4, upper glass tube 5, upper flexible flashboard 8, it is connect by lower 7 bottom of glass tube
Flexible flashboard 10 is normally closed down, and raw material are then constantly accumulated in lower glass tube 7, when the height of accumulation has been more than upper flexible flashboard 8
And when reaching the position of level sensor 9 on the flashboard 8 that stretches close so that the raw material of fixed volume are encapsulated in lower glass tube 7
It is interior, the extra raw material of upper flexible 8 or more flashboard then by the clout air conveyor 17 of down feather filling mechanism by it along removing ash pipeline 24
It is expelled back into air conveyer flume 25, the sample of fixed amount then falls into material cup after lower flexible flashboard 10 is opened in lower glass tube 7
In 14；
The X-fluorescence measuring mechanism 23 is used to carry out elemental composition measurement to the cement slurry entered in material cup 14, surveys
After the completion of amount, the raw material sample in material cup 14 is expelled back into sky along removing ash pipeline 24 by the final proof air conveyor 21 of down feather filling mechanism
Gas conveys in skewed slot 25；
The down feather filling mechanism includes clout electrical ball valve 16, clout air conveyor 17, air-powered electromagnetic valve group 18, compression
Air-source 19, final proof electrical ball valve 20, final proof air conveyor 21 and removing ash pipeline 24；The removing ash pipeline 24 accesses sky
Gas conveys the top of skewed slot 25 and is in the downstream position far from sampling mechanism or accesses in nearest raw material machine for zipper；Clout
16 clout air conveyor 17 of electrical ball valve, final proof electrical ball valve 20 and final proof air conveyor 21 are disposed in series in ash releasing tube
On road 24, the PVC wired hose that removing ash pipeline 24 is caliber 60mm is linked into 25 top of air conveyer flume and in sampling mechanism
Downstream, compressed air source 19 is to draw from the compressed air cylinder at manufacture of cement scene and add drainage and decompressor.
Clout electrical ball valve 16 and clout air conveyor 17 in the down feather filling mechanism is for executing in glass tube 5
Clout discharging operation, the sample cleaning of the clear material electrical ball valve 20 and final proof air conveyor 21 in material cup 14 is dynamic
To make, both " clout discharge " movement and " sample cleaning " movement in the down feather filling mechanism interlocking cannot be run simultaneously, wherein
" sample cleaning " movement is priority.
Clout air conveyor 17 described in the utility model embodiment and final proof air conveyor 21 are XFXFJ-
100V type air conveyor, using 0.4Mpa compressed air, the clout electrical ball valve 16 and final proof electrical ball valve 20 are
KLD200-DN25 sanitation-grade stainless steel leads directly to the electrical ball valve with feedback signal, is normally off, the two interlocking can not be simultaneously
It opens, since electrical ball valve needs the regular hour from being closed into fully open, by taking clout cleaning process as an example, when program is held
When row clout is cleared up, clout electrical ball valve 16 first carries out opening, and clout air conveyor is opened after 5s, when clout clearance time is held
After having gone, clout electrical ball valve 16 first carries out closing, and clout air conveyor 17 is closed after 3s.
X-fluorescence measuring mechanism 23 and 15 distance 5mm of measurement window described in the utility model embodiment, due to
Normal production status down-sampling mechanism is fixed from starting to sample " splicing is full " time about 80s in the utility model embodiment
The measurement period for determining X-fluorescence measuring mechanism 23 is 120s, measurement object Al, Si, S, K, Ca and Fe element, the X-fluorescence of raw material
It is as shown in Figure 7 to measure power spectrum.
Blanking pipeline 4 described in the utility model embodiment, upper glass tube 5, upper flexible flashboard 8, lower glass tube 7, under
Flexible flashboard 10, material cup 14 and measurement window 15 are successively tightly connected from top to bottom, wherein upper glass tube 5 and lower glass tube 7
Caliber is identical and both ends are connect with the internal transition tube socket with outside rubber ring with O-ring deep gouge respectively.
Upper flexible flashboard 8 described in the utility model embodiment is identical with lower flexible 10 structure of flashboard, includes flexible
The stainless steel substrates and sealing shell with circular hole of cylinder driving, wherein upper flexible flashboard (8) are in normally open, lower flexible flashboard
(10) it is in normally off.
It as shown in Figure 3 and Figure 4, is the structure main view of the lower flexible flashboard 10 under normally off in the utility model embodiment
Figure and side view, lower flexible flashboard 10 include top cover labyrinth plate 26, lower sealing cover plate 27, O-ring 28, stainless steel substrates 29, connection
Structure 30, telescopic cylinder 31 and flexible flashboard bracket 32；Wherein top cover labyrinth plate 26 and lower sealing cover plate 27 have O-ring
Φ 12mm through-hole is opened at mounting groove and center, and the deep gouge of Φ 30mm depth 3mm is reserved in through-hole periphery, is used for and lower 7 bottom of glass tube
The transition tube socket at end connects；Stainless steel substrates 29 are 304 stainless steel substrates thickness 1.5mm of surface mirror finish and are provided with an aperture
The material-dropping hole 33 of 12mm, stainless steel substrates 29 are fixed by connection structure 30 and telescopic cylinder 31, by 31 stroke of telescopic cylinder
It moves to drive the back-and-forth motion of the stainless steel substrates 29 with material-dropping hole to which come the blanking switch that controls splicing process, stretch gas
Cylinder 31 is mini stainless steel telescopic cylinder, connects 0.4Mpa compressed air, is fixed on flexible flashboard bracket 32；O-ring 28 is
4mm Abrasion-proof fluorine rubber circle has installation in upper and lower seal cover board, so that stainless steel substrates 29 are sealed between upper and lower lids, makes
The flashboard that stretches above and below execute switch motion and in upper 5 gas nozzle purge of glass tube without raw material sample from flexible flashboard
In run out of.
The upper glass tube (5) and lower glass tube (7) is the transparent glass tube that internal diameter is not less than 10mm；Such as Fig. 5 institute
Show, be the structure chart of upper glass tube 5 described in the utility model embodiment, is quartz glass tube, internal diameter 12mm, outer diameter
18mm, long 60mm, away from 1 gas nozzle for having internal diameter 3mm outer diameter 6mm long 25mm at upper 5 bottom 20mm of glass tube, gas nozzle and master
45 ° of pipe clamp angle, the gas nozzle connect upper breather valve 6, and normally open is communicated with atmosphere, and when executing clout cleaning, upper breather valve 6 is cut
The compressed air of the 0.2Mpa from compressed air source 19 is led in changing-over, up 5 bottom blowing of glass tube, dispels material, more than cooperation
The high-speed flow that material air conveyor 17 generates takes the clout of upper flexible 8 or more flashboard and along blanking pipeline 4 and ash discharge out of
Clout is discharged in air conveyer flume 25 by pipeline 24.
Upper level sensor 9 described in the utility model embodiment and lower level sensor 11 are that structure is identical to penetrating
Type optoelectronic switch includes 2 correlation type optoelectronic switches, 1 transmitting terminal, 1 receiving end, installation for the above level sensor 8
In the two sides of upper 5 bottom of glass tube, the light touching to penetrating is covered when the material position in upper glass tube 5 reaches the position of sensor 9
Hair " expects full signal ", and lower level sensor 11 is mounted on the two sides of lower 7 bottom of glass tube, after the flashboard 10 that stretches instantly is opened, if
It detects in lower glass tube and then triggers " material spacing wave " without material.
It as shown in Figure 6, is 14 structural schematic diagram of material cup in the utility model embodiment, the generally cyclic annular stone of material cup 14
English glass tubular structure, the material cup 14 are the hydrophobic tubular structure of inner wall, and internal diameter is 2 to 4 times of lower glass tube 7, high
Degree is 40mm internal diameter 30mm, and top is connected by O-ring 28 with material cup fixed structure 34, material cup fixed structure 34 and lower flexible lock
Plate 10 is fixed, and 14 top of material cup has gas nozzle 35 in 1 material cup, and gas nozzle 35 is connect with lower breather valve 13 in material cup, is normally opened shape
State is communicated with atmosphere, and when executing final proof, breather valve 13 is closed at present；A final proof mouth 36, bore 15mm are had in the middle part of material cup 14
It is connected to down feather filling mechanism, middle part is close to side to fix an electronic vibrator 12；Equally distributed 4 material are arranged at 14 lower part of material cup
Cup purging gas nozzle 37, the pneumatic one-in-and-one-out solenoid valve of 4 be separately connected in air-powered electromagnetic valve group 18, is normally off, when
When executing final proof movement, the bottom that this 4 solenoid valves open simultaneously compressed air toward material cup 14 that access air pressure is 0.1Mpa is blown
Gas dispels the sample in material cup and purges the inner wall of material cup 14；The bottom of material cup 14 connects with measurement window 15, the measurement window
15 are made of the window film fixed ring 38 of oil surface silicone grease and the window film 39 of macromolecule polymer material of polypropylene material.
Device in the utility model embodiment is controlled by PLC system 22, logic chart as shown in Fig. 2, specific steps such as
Under:
1) start；
2) splicing electrical ball valve 3 is opened, and subsequent sampling mechanism enters the sampling period, and decelerating motor 1 rotates forward sampling, individually adopts
Multiple repairing weld in the sample period, single rotate forward time 30s, and rotating forward the upper limit is 5 times, is spaced (delay) 2s, and raw material are adopted out of skewed slot
Material receiving mechanism is fallen into along blanking pipeline 4 out, is constantly accumulated in lower glass tube 7, if material position accumulation reaches feeding level sensor 9
Position " expecting full signal " is triggered, then decelerating motor 1, which terminates, rotates forward sampling, otherwise continues to sample, if the rotating forward time of decelerating motor 1
Number is more than that upper limit number is still not up to expected completely, then system feedback " material does not take full ", while terminating to run；
3) when upper level sensor 9 triggering " expect full signal ", splicing electrical ball valve 3 is closed, upper breather valve (6) is closed, on
Flexible flashboard 8 is closed at, the decelerating motor 1 of sampling mechanism executes reversion final proof after slightly stopping 2s, so that in reamer thread pitch
Material flow back in air conveyer flume 25 by the feed inlet of outer tube front end；
4) execute clout discharging operation: clout electrical ball valve 16 is opened, in air-powered electromagnetic valve group 18 with clout pneumatic conveying
The solenoid valve that device 17 connects opens the compressed air source 19 from compressed air cylinder and enters generation high speed gas in clout conveyer 17
The air-operated solenoid valve being connected in stream, air-powered electromagnetic valve group 18 with upper 5 bottom gas nozzle of glass tube is opened, so that coming from compressed air source
19 compressed air dispels material to upper 5 bottom blowing of glass tube, and above-mentioned movement keeps restoring state after executing 20s, so that
The clout of upper flexible 8 or more flashboard is taken out of by the high-speed flow that clout air conveyor 17 generates and along blanking pipeline 4 and row
Grey pipeline 24 is discharged in air conveyer flume 25；
5) breather valve (6) is opened on, upper flexible flashboard 8 is opened；
6) flashboard 10 that stretches under is opened, so that the raw material sample of fixed amount drops into the material cup 14 of lower section in lower glass tube 7
In, it is closed after keeping 5s and records opening 1 time, vibrator 12 is synchronous with lower flexible flashboard 10 to be opened and closed；
If 7) lower level sensor 11 triggering " material spacing wave ", under flexible flashboard 10 close, into next step (8),
Otherwise flexible flashboard 10 repeats the movement of step (6) under, if it is more than lower material position when presetting 3 times that lower flexible flashboard 10, which opens number,
Sensor 11 does not still trigger " material spacing wave ", then feeds back " blanking is abnormal " prompt, and device terminates to run；
8) breather valve 13 is closed under；
9) elemental composition that X-fluorescence measuring mechanism executes sample in material mixing cup 14 measures, while routine executing step (2),
(3),(4)；
10) execute sample cleanup action: after being measured, final proof electrical ball valve 20 is opened, in air-powered electromagnetic valve group 18 with
The solenoid valve that final proof air conveyor 21 connects is opened, and the compressed air source 19 from compressed air cylinder enters final proof conveyer 21
The solenoid valve being connected in middle generation high-speed flow, air-powered electromagnetic valve group 18 with the material cup of 14 bottom of material cup purging gas nozzle 37 is beaten simultaneously
It opens, so that the compressed air from compressed air source 19,14 bottom blowing of material mixing cup, dispel sample materials, above-mentioned movement is kept
It restPoses after executing 20s, so that the high-speed flow that the raw material sample in material cup 14 is generated by final proof air conveyor 21
It takes out of and is expelled back into air conveyer flume 25 along removing ash pipeline 24；
11) breather valve 13 is opened under；It jumps and enters step (5), circulation executes.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations all should belong to the protection scope of the appended claims for the utility model.
Claims (10)
1. a kind of online xrf analysis device of automatic sampling type cement slurry, which is characterized in that including sampling mechanism, receiver
Structure, X-fluorescence measuring mechanism and down feather filling mechanism；The sampling mechanism is used for defeated from the air of cement slurry grinding machine rear end Upstream section
Send at the uniform velocity micro acquisition raw material sample in skewed slot；The material receiving mechanism is for carrying out the judgement of sample doses, quantitative sampling and to X
Fluorescence measurement mechanism sample presentation；The X-fluorescence measuring mechanism is analyzed for cement slurry elemental composition；The down feather filling mechanism is used
It is expelled back into air conveyer flume again in by the sample measured in the clout and material cup in material receiving mechanism；Wherein Sampling Machine
The continuous sampling of structure intermittence is simultaneously run simultaneously with X-fluorescence measuring mechanism, and material receiving mechanism is for quantitative sampling and gives X-fluorescence measuring machine
Structure sample presentation ensures and is used for X-fluorescence measuring mechanism sample doses all-the-time stable, down feather filling mechanism is by material extra in material receiving mechanism and material
The sample measured in cup, which is expelled back into again in air conveyer flume, have been ensured in device completely without clout, is realized raw to cement
The on-line analysis of material；The sampling mechanism includes the spiral reamer sampler (2) of decelerating motor (1) and its driving, is mounted on life
The side of the air conveyer flume (25) of the Upstream section after grinding machine is expected, with a small amount of multiple endless form continuous sampling.
2. the online xrf analysis device of automatic sampling type cement slurry according to claim 1, which is characterized in that slow down
Motor (1) can positive and negative rotation work, rotate forward sampling, invert stock layout, being driven forward spiral reamer sampler (2), at the uniform velocity to take air out of defeated
The raw material sample in skewed slot (25) is sent, the rotating forward time is fixed every time, and number is rotated forward in a sampling period and is equipped with the upper limit, slows down electric
Material in reverse drive spiral reamer sampler (2) the discharge reamer screw thread of machine (1).
3. the online xrf analysis device of automatic sampling type cement slurry according to claim 2, which is characterized in that described
Decelerating motor (1) output shaft revolving speed be not more than 25r/min；Spiral reamer sampler (2) is made of screw rod and outer tube, outside
Casing rear end and decelerating motor (1) flange are fixed and are outputing material mouth close to flange position, discharge port vertically downward so that raw material
It can vertically be fallen along blanking pipeline (4).
4. the online xrf analysis device of automatic sampling type cement slurry according to claim 3, which is characterized in that screw rod
From side middle and lower part, level is deep into the internal length of air conveyer flume (25) no more than 300mm, and screw flight depth is not
Less than 5mm；Outer tube and screw clearance are not more than 2mm, and outer tube front end is provided with charging slot length, and to be no less than 100mm width not small
In 15mm.
5. the online xrf analysis device of automatic sampling type cement slurry according to claim 1, which is characterized in that described
Material receiving mechanism include splicing electrical ball valve (3), blanking pipeline (4), upper glass tube (5), upper breather valve (6), lower glass tube
(7), upper flexible flashboard (8), upper level sensor (9), lower flexible flashboard (10), lower level sensor (11), lower breather valve
(13), material cup (14) and measurement window (15)；Splicing electrical ball valve (3) is normally off, is mounted on spiral reamer sampler (2)
Between blanking pipeline (4)；Seal and be connected with down feather filling mechanism in the middle part of the blanking pipeline (4), blanking pipeline (4) bottom with it is upper
Glass tube (5) is tightly connected；The upper flexible flashboard (8) is identical with lower flexible flashboard (10) structure, including telescopic cylinder drives
The dynamic stainless steel substrates and sealing shell with circular hole, wherein upper flexible flashboard (8) are in normally open, at lower flexible flashboard (10)
In normally off.
6. the online xrf analysis device of automatic sampling type cement slurry according to claim 5, which is characterized in that described
Lower flexible flashboard (10) include top cover labyrinth plate (26), lower sealing cover plate (27), O-ring (28), stainless steel substrates (29), connection
Structure (30), telescopic cylinder (31) and flexible flashboard bracket (32)；Wherein top cover labyrinth plate (26) and lower sealing cover plate (27) are equal
Mounting groove and center with O-ring open hole, and deep gouge is reserved in through-hole periphery, for the mistake with lower glass tube (7) bottom end
Cross tube socket connection；Stainless steel substrates (29) are 304 stainless steel substrates of surface mirror finish and are provided with a material-dropping hole (33), stainless steel
Piece (29) is fixed by connection structure (30) and telescopic cylinder (31), is had by the movement in telescopic cylinder (31) stroke to drive
The back-and-forth motion of the stainless steel substrates (29) of material-dropping hole is so as to control blanking switch, telescopic cylinder (31) is that mini stainless steel is stretched
Contracting cylinder, connects compressed air, is fixed on flexible flashboard bracket (32).
7. the online xrf analysis device of automatic sampling type cement slurry according to claim 5, which is characterized in that described
Upper level sensor (9) and lower level sensor (11) be scattered reflection type or correlation type photoelectric sensor switch；Upper material position
Sensor (9) is mounted on the bottom of glass tube (5)；Lower level sensor (11) is mounted on the bottom of lower glass tube (7).
8. the online xrf analysis device of automatic sampling type cement slurry according to claim 5, which is characterized in that described
Upper glass tube (5) and lower glass tube (7) be transparent glass tube, wherein upper glass tube (5) are used for and upper level sensor (9)
Monitoring material position is cooperated to upper flexible flashboard (8), the caliber and height of lower glass tube (7) are fixed for accommodating fixed amount
Sample.
9. the online xrf analysis device of automatic sampling type cement slurry according to claim 5, which is characterized in that upper glass
Glass pipe (5) bottom have gas nozzle, gas nozzle be up inclined tubule structures and by three-port structure respectively with upper breather valve (6)
It is connected to air-operated solenoid valve group (18), upper breather valve (6) is normally open, so that executing the inside of material receiving mechanism in sampling process
It is communicated with ambient atmosphere.
10. the online xrf analysis device of automatic sampling type cement slurry according to claim 1, which is characterized in that described
Down feather filling mechanism include clout electrical ball valve (16), clout air conveyor (17), air-powered electromagnetic valve group (18), compressed air source
(19), final proof electrical ball valve (20), final proof air conveyor (21) and removing ash pipeline (24)；Removing ash pipeline (24) access
In the raw material machine for zipper of air conveyer flume (25), clout electrical ball valve (16), clout air conveyor (17), final proof electric ball
Valve (20) and final proof air conveyor (21) are disposed in series on removing ash pipeline (24), and clout electrical ball valve (16) and final proof are electronic
Ball valve (20) is normally off, the influence for the air-flow in air-isolation conveying skewed slot (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822056662.7U CN209280607U (en) | 2018-12-07 | 2018-12-07 | A kind of online xrf analysis device of automatic sampling type cement slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822056662.7U CN209280607U (en) | 2018-12-07 | 2018-12-07 | A kind of online xrf analysis device of automatic sampling type cement slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209280607U true CN209280607U (en) | 2019-08-20 |
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|---|---|---|---|
| CN201822056662.7U Active CN209280607U (en) | 2018-12-07 | 2018-12-07 | A kind of online xrf analysis device of automatic sampling type cement slurry |
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| Country | Link |
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| CN (1) | CN209280607U (en) |
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2018
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