CN109470592A - Online MOISTURE MEASUREMENT SYSTEM and its detection method - Google Patents
Online MOISTURE MEASUREMENT SYSTEM and its detection method Download PDFInfo
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- CN109470592A CN109470592A CN201710802026.1A CN201710802026A CN109470592A CN 109470592 A CN109470592 A CN 109470592A CN 201710802026 A CN201710802026 A CN 201710802026A CN 109470592 A CN109470592 A CN 109470592A
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- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 238000005259 measurement Methods 0.000 title claims abstract description 29
- 238000005303 weighing Methods 0.000 claims abstract description 126
- 239000000463 material Substances 0.000 claims abstract description 87
- 238000004458 analytical method Methods 0.000 claims abstract description 62
- 238000001035 drying Methods 0.000 claims abstract description 57
- 238000011000 absolute method Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000005070 sampling Methods 0.000 claims description 41
- 238000011068 loading method Methods 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 36
- 238000004064 recycling Methods 0.000 claims description 16
- 238000011084 recovery Methods 0.000 claims description 10
- 125000004122 cyclic group Chemical group 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 6
- 230000001737 promoting effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000005192 partition Methods 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 239000008188 pellet Substances 0.000 description 4
- 238000005453 pelletization Methods 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 238000005272 metallurgy Methods 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000643 oven drying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 240000005373 Panax quinquefolius Species 0.000 description 1
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
- G01N5/045—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder for determining moisture content
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of online MOISTURE MEASUREMENT SYSTEM of absolute method, it includes cabinet, the analysis for being located in the box body portion side and discharge device and the operating drying unit for being located in the box body the portion other side, wherein analysis and discharge device have handgrip and handgrip is rotatable along central axis in the horizontal direction, and also have at least two stations: awarding material position and weighing and discharge position；Operating drying unit has turntable, four chambers on turntable are set, top cover positioned at four chamber top, and the microwave generator on top cover is set, and also there are four stations for tool: the first station, second station, 3rd station and the 4th station, it operates drying unit and is also equipped with opening on the top of the corresponding disk edge of four chambers, be respectively equipped with fixed closed baffle on the top of second station, 3rd station and the corresponding disk edge of the 4th station.It can detect the true water content of mixed material in a short period of time using the present invention, realize the real-time online detection of mixed material moisture.
Description
Technical field
The present invention relates to the moisture content detection device of material and methods, and in particular to a kind of online water of the absolute method of mixed material
Sorting examining system (or detector) and its detection method belong to metallurgy sintered, pelletizing industry raw material preparation field.
Background technique
In metallurgy sintered, pelletizing field, certain moisture generally is needed during mixing system material, it is necessary viscous to provide
Knot property and adhesive force are used for the formation of material pelletizing.These moisture include the portion of water that mineral aggregate itself contains, and are being mixed
Also the addition that moisture is had in process, mixes various raw materials uniformly, facilitates the balling-up and granulation of material, is conducive to subsequent work
It can more fully be reacted in sequence.Water is too low, and the caking property of raw material reduces, and will affect balling-up and the granulating properties of raw material.But
Raw materials for sintering moisture is excessively high, if concentrate powder is easy agglomerating viscous mine slot, influences the accuracy of ingredient, influences the uniformity of mixture,
Tail cross section of sintering machine, which generates paint face, influences the quality of sintering mineral products, also the energy consumption of agglomerates of sintered pellets technique can be made to mention when water is excessively high
It is high.To reduce energy consumption and making pellet forming process closer to optimum moisture content, the water content detection of raw mineral materials is very necessary.
Traditional sinter mixture detection uses oven drying method, offline inspection, but analysis time is long, can not reflect moisture in real time
The case where, lack the meaning for instructing technique to produce.Existing water content detection mostly uses NEUTRON METHOD, infra-red method or microwave method, these
Although method solves the problems, such as that analysis time long, can reflect current data, but NEUTRON METHOD has ionising radiation, existing in production
Field application is less；When appearance color, chemical component of infra-red method material etc. change, detection data just will appear larger inclined
Difference.For this reason, needing to carry out the calibration of water content detection parameter before use for every kind of material.For what is conveyed on a belt
The uncertain situation of material is difficult to realize the automatic survey water of different material, and needs manually according to the variation of material on belt
Situation adjusts the detection parameters of Moisture Meter, when material kind frequently variation, is then difficult to realize the on-line checking of moisture；Microwave method is not yet
It can accurately detect the moisture content of substance core.
The above method detection device and theoretical scheme are complicated, it is sometimes desirable to which professional just can solve.
Summary of the invention
In view of the above-mentioned problems of the prior art, that the purpose of the present invention is to provide a kind of theoretical principles is simple, can be real
When on-line checking MOISTURE MEASUREMENT SYSTEM and its detection method.
The first embodiment provided according to the present invention provides a kind of online MOISTURE MEASUREMENT SYSTEM of absolute method and (or makees
Online moisture detector):
A kind of online MOISTURE MEASUREMENT SYSTEM of absolute method (or detector), it include cabinet, be located in the box body portion side (such as
Left side) analysis and discharge device and the operating drying unit for being located in the box body the portion other side (such as right side).Wherein analysis and
Discharge device has handgrip and handgrip is rotatable (such as rotating along rotating mechanism) along central axis in the horizontal direction, and
Also there are at least two stations: awarding material position and weighing and discharge position.Operating drying unit has turntable, is arranged in four on turntable
A chamber, the top cover positioned at four chamber top, and the multiple microwave generators being arranged on top cover, and also there are four works for tool
Position: close to analysis and the first station of discharge device, thus counterclockwise, second station, the 3rd station set gradually
And the 4th station.It operates drying unit and is also equipped with opening on the chamber top of the corresponding close disk edge of four chambers.?
The top of two stations, 3rd station and the corresponding disk edge of the 4th station is respectively equipped with fixed closed baffle.Wherein four chambers
Room cyclic switching between the position of four stations.
It is preferred that there are sides between adjacent side siding in four side sidings of the neighboring of turntable setting (or setting)
Wall opening, totally four sidewall openings.This four sidewall openings angularly or equidistantly distributed, are opened on the periphery of rotating cylinder with side wall
The position of mouth is corresponding, and four chambers are arranged on turntable, and chamber is surrounded by (arc) partition, (arc) partition of chamber
Distal end be connected on the siding of side in the two sides of sidewall opening.There are four station (thus counterclockwise) for turntable tool: the
One station, second station, 3rd station and the 4th station.Wherein in second station, 3rd station and the corresponding position of the 4th station
Sidewall opening when setting and resting on these stations with revolving drum is corresponding, is accordingly respectively equipped with fixed closed baffle, and four
Chamber cyclic switching between the position of four stations.
In the present invention, analysis and discharge device are located at equipped with one awards the top of material position and is installed in top of the box
The loading hopper of (or in top blind flange).
In the present invention, analysis and discharge device include sample container, measuring table, the first weighing device, handgrip, handgrip
Driver, rotating mechanism, vacuum tube, vacuum pump and drainage conduit.Wherein measuring table, which is located at, awards material position and weighing and discharge position
Lower section.Sample container is supported by measuring table.First weighing device is located at measuring table lower part and the first weighing device is located at
The lower section of weighing and discharge position.Handgrip driver is mounted on rotating mechanism top.Handgrip is mounted on handgrip driver kinematic axis
Stretch out front end.The front port of vacuum tube is located at the top of weighing and discharge position, and the rear port of vacuum tube is controlled to a vacuum pump, vacuum
The other end of pump is connect with drainage conduit.It is preferred that vacuum tube setting is at the top of the box body (or in top blind flange) and its front port
Positioned at the top of weighing and discharge position, the rear port that vacuum tube is located at outside cabinet is controlled to a vacuum pump.
Preferably, measuring table, the first weighing device and rotating mechanism are directly or indirectly fixed in cabinet respectively
Bottom.
In the present invention, operating drying unit includes turntable, and the motor of driving turntable rotation is arranged in four on turntable
Chamber, the top cover on four chambers, and the multiple microwave generators being arranged on top cover.Wherein motor is arranged in turntable
Bottom, multiple microwave generators are separately positioned on the top cover above second station, 3rd station and the 4th station and pass through
The top (or top blind flange) of cabinet.
Preferably, side siding is additionally provided on the top of disk edge.It is set at the corresponding side siding of four chambers
There are four openings.Fixed closed is respectively equipped on the top of second station, 3rd station and the corresponding disk edge of the 4th station
Baffle.Fixed closed baffle is connect with top cover.
It is preferred that motor is directly or indirectly fixed on the intracorporal bottom of case.
Preferably, the operating drying unit further includes being arranged in below 3rd station and being located at the second of turntable lower part
Weighing device.
Preferably, the second weighing device is directly or indirectly fixed on the intracorporal bottom of case.
Preferably, its first half can be retracted or be stretched out by the handgrip of the analysis and discharge device.That is, grabbing
Hand is extended when reaching different stations or retracts the first half of the handgrip.It is preferred that can promptly contain sample appearance by promoting handgrip
Device can unclamp sample container by declining handgrip.
Preferably, four chambers of the operating drying unit or four stations are using the axle center of turntable as the top of angle
Point has equal 90 ° of angle each other.
The above-mentioned online MOISTURE MEASUREMENT SYSTEM of absolute method in operation, can be inputted by manual sampling from loading hopper
Sample.
It is preferred that automatically entering sample from loading hopper using sampling system.It is preferable therefore that said detecting system further includes
Sampler or sampling system, sampling system are arranged in the top of cabinet and are located at the top of analysis and discharge device, sample train
System is that analysis and discharge device convey sample by loading hopper.More specifically, sampling system is analysis by loading hopper
And discharge device in award material position sample container conveying sample.
Preferably, sampling system includes feedboard, charging sheet drive and feeding baffle.Sheet drive setting is fed to exist
Above cabinet.Feedboard is mounted on the stretching front end of charging sheet drive kinematic axis.Feeding baffle be mounted on above cabinet and
Positioned at the top of the recovery position (or recycling terminal position) of feedboard.It is preferred that loading hopper installs (such as inlaying) in cabinet
Top blind flange on and be located at feedboard recovery position (or recycling terminal position) lower section.
At the edge of turntable, four side sidings are set, there are siding opening between adjacent side siding, totally four sidings
Opening.This four sidings opening on the periphery of turntable angularly or equidistantly distributed.It is corresponding with the position of siding opening,
Four chambers are set on turntable.Each of four chambers chamber is surrounded by (arc) partition being arranged on turntable into simultaneously
And the distal end of (arc) partition is connected on the siding of turntable side in the two sides that siding is open.Therefore, correspondingly, the distal side of chamber
Equally there is chamber opening.That is, siding opening is also the opening of chamber.Distal end or distal side described here refers to far from rotary disk
Central axis (i.e. axis of rotation) outside.Charged (or sample) sample container (such as utilizing mechanical gripper) via siding
Opening or chamber opening are sent into the first station.After the operation of four stations, the sample container of discharging (such as utilize mechanical gripping
Hand) it is taken out via siding opening or chamber opening from the first station.
Generally, fixed closed baffle is fixed on the lower surface of top blind flange.Closed guard for closed wall be open or
Chamber opening.That is, closed guard and (arc top) partition are encircled into an independent chamber.Therefore, fixed closed baffle
Also referred to as fixed closed guard.More specifically, have the chamber of opening with revolution made of being surrounded as (arc) partition
Spiral when going to corresponding station (i.e. second, third or the 4th station), opening is closed baffle and is closed, at this point, by partition,
Cavity bottom (a part for belonging to turntable), cover board and closed guard are encircled into closed chamber.Certainly, the lower surface of cover board with
It is had the gap between the top of partition, to allow turntable to rotate freely.
Second of the embodiment provided according to the present invention provides a kind of online moisture detecting method of absolute method:
A kind of online moisture detecting method of absolute method uses the online MOISTURE MEASUREMENT SYSTEM of above-mentioned absolute method (or detector)
The method for carrying out water content detection, method includes the following steps:
1) it is located at weight (the W for the sample container that weighing is weighed with the first weighing device below discharge position after discharge0)；
2) handgrip firmly grasps sample container by being promoted, and sample container is rotated from weighing and discharge position to awarding material position, handgrip
Sample container is unclamped by decline, sample container is placed on measuring table, feedboard is from the belt blanking of belt conveyor
Driven from charging sheet drive kinematic axis toward recycling after splicing, feeding baffle scrapes the material of feedboard, sample materials with into
Funnel flows into sample container or manual sampling inputs sample materials in sample container from loading hopper；
3) handgrip firmly grasps sample container and rotates sample container to weighing and discharge position from material position is awarded, and handgrip, which unclamps, contains sample appearance
Device, the first weighing device weigh the weight (W of the sample container to have charged1)；
4) after having weighed, handgrip rotates sample container to the first station from weighing and discharge position, and sample container is in turntable
Carrying and drive under successively carry out microwave drying by second station, 3rd station and the 4th station, after drying, contain sample
Container rotates back to the first station；
5) handgrip by sample container from the first station rotary to weighing and discharge position, contain after weighing drying by the first weighing device
Weight (the W of sample container2)；
6) according to formula (W1-W2)/(W1-W0) calculate the water content (%) of grabbed sample materials；
7) vacuum pump is opened, (such as being expelled on belt) is discharged by drainage conduit in the dried material in sample container.
Preferably, in step 4), when sample container is while 3rd station is dry, the second weighing device holds to sample is contained
Device is weighed, if weight does not have the variation of 0.05g, preferably 0.02g in 2~10 seconds, preferably 3~5 seconds, then it is assumed that sample object
Material has been dried completely.
Preferably, above-mentioned steps 1-7 is repeated as many times (such as 3-7 times), calculates average value by multiple water content data,
To which detection obtains the true water content of material.
The third embodiment provided according to the present invention provides a kind of online MOISTURE MEASUREMENT SYSTEM of absolute method or detection
Instrument:
A kind of online MOISTURE MEASUREMENT SYSTEM of absolute method or detector, it includes cabinet, to be located in the box body portion side (such as left
Side) analysis and discharge device, be located in the box body the operating drying unit of the portion other side (such as right side) and be located at analysis and row
Expect the sampling system above device.Wherein analysis and discharge device have handgrip and handgrip in the horizontal direction can along central axis
It rotates (such as being rotated along rotating mechanism), and also there are at least two stations: awarding material position and weighing and discharge position.Operating is dried
Equipment for drying has turntable, four chambers on turntable, the top cover positioned at four chamber top is arranged in, and be arranged on top cover
Multiple microwave generators, and also there are four stations for tool: close to analysis and the first station of discharge device, thus by side counterclockwise
To second station, 3rd station and the 4th station set gradually.Drying unit is operated also on the corresponding turntable side of four chambers
The top of edge is equipped with opening.It is respectively equipped on the top of second station, 3rd station and the corresponding disk edge of the 4th station solid
Determine closed guard.Wherein four chambers cyclic switching between the position of four stations.
In the present invention, analysis and discharge device are located at equipped with one awards the top of material position and is installed in top of the box
The loading hopper of (or in top blind flange).Sampling system is connected to by loading hopper with analysis and discharge device.
In the present invention, analysis and discharge device include sample container, measuring table, the first weighing device, handgrip, handgrip
Driver, rotating mechanism, vacuum tube, vacuum pump and drainage conduit.Wherein measuring table, which is located at, awards material position and weighing and discharge position
Lower section.Sample container is supported by measuring table.First weighing device is located at measuring table lower part and the first weighing device is located at
The lower section of weighing and discharge position.Handgrip driver is mounted on rotating mechanism top.Handgrip is mounted on handgrip driver kinematic axis
Stretch out front end.The front port of vacuum tube is located at the top of weighing and discharge position, and the rear port of vacuum tube is controlled to a vacuum pump, vacuum
The other end of pump is connect with drainage conduit.It is preferred that vacuum tube setting is at the top of the box body (or in top blind flange) and its front port
Positioned at the top of weighing and discharge position, the rear port that vacuum tube is located at outside cabinet is controlled to a vacuum pump.
Preferably, measuring table, the first weighing device and rotating mechanism are directly or indirectly fixed in cabinet respectively
Bottom.
In the present invention, operating drying unit includes turntable, and the motor of driving turntable rotation is arranged in four on turntable
Chamber, the top cover on four chambers, and the multiple microwave generators being arranged on top cover.Wherein motor is arranged in turntable
Bottom, multiple microwave generators are separately positioned on the top cover above second station, 3rd station and the 4th station and pass through
The top (or top blind flange) of cabinet.
Preferably, side siding is additionally provided on the top of disk edge.It is set at the corresponding side siding of four chambers
There are four openings.Fixed closed is respectively equipped on the top of second station, 3rd station and the corresponding disk edge of the 4th station
Baffle.Fixed closed baffle is connect with top cover.
It is preferred that motor is directly or indirectly fixed on the intracorporal bottom of case.
Preferably, the operating drying unit further includes being arranged in below 3rd station and being located at the second of turntable lower part
Weighing device.
Preferably, the second weighing device is directly or indirectly fixed on the intracorporal bottom of case.
Preferably, its first half can be retracted or be stretched out by the handgrip of the analysis and discharge device.That is, grabbing
Hand is extended when reaching different stations or retracts the first half of the handgrip.It is preferred that can promptly contain sample appearance by promoting handgrip
Device can unclamp sample container by declining handgrip.
Preferably, four chambers of the operating drying unit or four stations are using the axle center of turntable as the top of angle
Point has equal 90 ° of angle each other.
The above-mentioned online MOISTURE MEASUREMENT SYSTEM of absolute method in operation, can be inputted by manual sampling from loading hopper
Sample.
It is preferred that automatically entering sample from loading hopper using sampling system.The top of cabinet and position is arranged in sampling system
In analysis and the top of discharge device, sampling system is that analysis and discharge device convey sample by loading hopper.More specifically
Say, sampling system by loading hopper be analysis and discharge device in award material position sample container conveying sample.
Generally, sampling system includes feedboard, charging sheet drive and feeding baffle.Sheet drive is fed to be arranged in cabinet
Top.Feedboard is mounted on the stretching front end of charging sheet drive kinematic axis.Feeding baffle is mounted on above cabinet and is located at
The top of the recovery position (or recycling terminal position) of feedboard.It is preferred that loading hopper installs (such as inlaying) on the top of cabinet
The lower section of recovery position (or recycling terminal position) on portion's cover board and positioned at feedboard.
In the present invention, there are four stations: the first station, second station, 3rd station and the 4th for operating drying unit tool
Station.Meanwhile it operating and four chambers is also separated by (arc) partition on the turntable of drying unit.Four chambers are four
Cyclic switching between the position of a station refers to that the position of four stations is fixed and invariable, and four stations are with disk axes
The vertex of angle has equal 90 ° of angle each other, and the position of four chambers is the rotation with turntable and is changed
, but four chambers, using disk axes as the vertex of angle, angle each other is also 90 °, therefore, in chamber with turntable
During rotation, for a certain chamber then constantly with the location matches of each station (or coincidence), other three chambers are also such.
In addition, operating drying unit is additionally provided with side siding on the top of disk edge, in the corresponding side of four chambers
Opening there are four being set at siding.And microwave generator is respectively equipped at the top of second station, 3rd station and the 4th station, that is,
Second station, 3rd station and the 4th station are microwave drying position.Therefore, in second station, 3rd station and the 4th station pair
The top for the disk edge answered is equipped with fixed closed baffle.Due to the first station be sample container disengaging operating drying unit into
Station out, so being not provided with fixed closed baffle at the first station.Fixed closed baffle is connect with upper header, i.e., fixed envelope
It closes baffle not rotate with the rotation of turntable together with top cover, so that the setting of fixed closed baffle plays the work of sealing
With so that these three microwave drying stations are in closed working environment, blocking microwave reduces energy damage to external radiation
Consumption.
In the present invention, rotating mechanism drives handgrip rotation, and handgrip does circumferential movement along the axle center of rotating mechanism.Meanwhile
For handgrip under the drive of handgrip driver kinematic axis, handgrip does stretching motion along the axial direction of handgrip driver kinematic axis.In addition, logical
Sample container can be firmly grasped by crossing promotion handgrip, can unclamp sample container by declining handgrip.Handgrip can precisely be realized to Sheng as a result,
Sample container promptly and unclamp.
In the present invention, the first weighing device and the second weighing device are electronic sensor or electronic balance.First weighing
Device is able to carry out device with the second weighing device and moves up and down.That is, the first weighing device is needed to be implemented with the second weighing device
Mechanism realizes moving up and down or going up and down for weighing tray.In addition, as an alternative, the lower part of these weighing devices is equipped with
Jacking apparatus.That is, the first weighing device is jacked by jacking apparatus, so that sample container be allowed to be supported by the first weighing device
(i.e. sample container by jacking apparatus support and measuring table away from keyboard) to weigh, after weighing, under jacking apparatus
Drop, sample container are placed on measuring table (are measured platform) again；Or, second is weighed by jacking apparatus
Device jacking, so that sample container be allowed to be supported by the second weighing device, (i.e. sample container is away from keyboard by jacking apparatus support
Turntable) to weigh, after weighing, jacking apparatus decline, sample container is placed on turntable again (i.e. by turntable branch
Support).It for jacking apparatus, is not particularly limited, screw rod lifting device or hydraulic lift generally can be used.
Generally, setting of the turntable lower part in addition to driving motor and the second weighing device for operating drying unit, is additionally provided with branch
Platform is supportted, supporting table is fixed on the intracorporal bottom of case, is used to support turntable and is in horizontality.
In this application, sample container is not required particularly.It is preferred that sample container (as contained Yang Xia Portland) is by ceramics
Or glass (such as quartz glass) manufacture.Generally open.Preferably bowl-type or cupuliform or alms bowl shape.
It is preferred that at least four castor or idler wheel are housed in the bottom of box of the online MOISTURE MEASUREMENT SYSTEM of absolute method or detector,
Easy to remove or carrying.
In this application, the diameter of turntable is 0.5m-2.5m, preferably 0.7m-1.8m, more preferable 0.8m-1.5m.Turntable side
The height of portion's siding is 12cm-120cm, preferably 14cm-90cm, preferably 15cm-70cm.
Compared with prior art, the advantageous effect of present invention is that:
1, the moisture of traditional oven drying method measurement mixed material, the overlong time of detection and analysis can not reflect moisture in real time
The case where, Instructing manufacture cannot be played the role of in time；Existing NEUTRON METHOD have ionising radiation, production scene apply compared with
It is few；And the accuracy of infra-red method is low, measurement accuracy is inadequate；Since micro-wave drying has rapidity, selectivity, uniform
Property, inertialess the features such as, can be dry completely by mixed material in a short period of time, therefore existed using absolute method of the invention
Line MOISTURE MEASUREMENT SYSTEM or detector can detect the true water content of mixed material in a short period of time, even if material kind
When class frequently changes, it is also able to achieve real-time, on-line checking；
2, the online MOISTURE MEASUREMENT SYSTEM of absolute method of the invention or the size of detector are smaller, are readily transported and install, dimension
It repairs without large-scale haulage equipment.
3, driving power is small, low energy consumption.
For absolute method of the present invention in line MOISTURE MEASUREMENT SYSTEM after detecting the true water content of mixed material, it is mixed that you can get it
The mixing degree of material is closed, therefore detection system of the present invention is in combination with the vertical strengthened mixing of metallurgy industry pelletizing process feedstock processing
Machine realizes the intelligence of pellet feed blending system, runs so that blending system is under optimal parameter, be the weight of industry technology
Quantum jump；The energy consumption and material consumption of feedstock processing process can be significantly reduced simultaneously, improves pellet quality, reduce production cost, it is right
The technological progress of industry is of great significance.
Detailed description of the invention
Fig. 1 is the perspective view one of the online MOISTURE MEASUREMENT SYSTEM of absolute method of the present invention (or detector)；
Fig. 2 is the perspective view two of the online MOISTURE MEASUREMENT SYSTEM of absolute method of the present invention (or detector)；
Fig. 3 is the internal structure chart of present invention operating drying unit.
Appended drawing reference: 1: cabinet；2: analysis and discharge device；201: sample container；202: measuring table；Claim at 203: the first
Refitting is set；204: handgrip；205: handgrip driver；206: rotating mechanism；207: vacuum tube；208: vacuum pump；209: drainage conduit；
3: operating drying unit；301: turntable；302: motor；303: top cover；304: microwave generator；305: turntable side siding；
305a: chamber (arc) partition；306: fixed closed baffle；307: the second weighing devices；4: loading hopper；5: sampling system；
501: feedboard；502: charging sheet drive；503: feeding baffle；
A: material position is awarded；B: weighing and discharge position；C: the first station；D: second station；E: 3rd station；F: the four station.
Specific embodiment
The first embodiment provided according to the present invention provides a kind of online MOISTURE MEASUREMENT SYSTEM of absolute method and (or makees
Online moisture detector):
A kind of online MOISTURE MEASUREMENT SYSTEM of absolute method, it includes cabinet 1, is located at 1 interior side of cabinet (such as left side)
Analysis and discharge device 2 and the operating drying unit 3 for being located at the 1 inside other side of cabinet (such as right side).Wherein analysis and discharge
There is device 2 handgrip 204 and handgrip 204 (such as to revolve in the horizontal direction along rotating mechanism 206 along central axis is rotatable
Turn), and also there are at least two stations: award material position a and weighing and discharge position b.Operating drying unit 3 has turntable 301, if
Set four chambers on turntable 301, the top cover 303 positioned at four chamber top, and the multiple microwaves being arranged on top cover 303
Generator 304, and also there are four stations for tool: close to analysis and the first station c of discharge device 2, thus counterclockwise,
Second station d, 3rd station e and the 4th station f set gradually.Drying unit is operated also in the corresponding turntable of four chambers
The top at 301 edges is equipped with opening.On the top at second station d, 3rd station e and corresponding 301 edge of turntable the 4th station f
It is respectively equipped with fixed closed baffle 306.Wherein four chambers cyclic switching between the position of four stations.
In the present invention, analysis and discharge device 2 are located at equipped with one awards the top of material position a and is installed in cabinet 1
The loading hopper 4 at top (or in top blind flange).
In the present invention, analysis and discharge device 2 include sample container 201, measuring table 202, the first weighing device
203, handgrip 204, handgrip driver 205, rotating mechanism 206, vacuum tube 207, vacuum pump 208 and drainage conduit 209.Wherein measure
Platform 202 is located at the lower section for awarding material position a and weighing and discharge position b.Sample container 201 is supported by measuring table 202.First claims
Refitting sets 203 positioned at 202 lower part of measuring table and the first weighing device 203 is located at weighing and the lower section of discharge position b.Handgrip driving
Device 205 is mounted on 206 top of rotating mechanism.Handgrip 204 is mounted on the stretching front end of 205 kinematic axis of handgrip driver.Vacuum tube
207 front port is located at weighing and the top of discharge position b, the rear port of vacuum tube 207 are connect with vacuum pump 208, vacuum pump 208
The other end connect with drainage conduit 209.It is preferred that vacuum tube 207 be arranged in the top (or in top blind flange) of cabinet 1 and it before
Port is located at weighing and the top of discharge position b, the rear port that vacuum tube 207 is located at outside cabinet 1 are connect with vacuum pump 208.
Preferably, measuring table 202, the first weighing device 203 and rotating mechanism 206 are directly or indirectly fixed respectively
Bottom in cabinet 1.
In the present invention, operating drying unit 3 includes turntable 301, and the motor 302 of driving turntable rotation is arranged in turntable
Four chambers on 301, the top cover 303 on four chambers, and the multiple microwave generators being arranged on top cover 303
304.Wherein the bottom of turntable 301 is arranged in motor 302, and multiple microwave generators 304 are separately positioned on second station d, third
Top (or top blind flange) on top cover 303 above station e and the 4th station f and across cabinet 1.
Preferably, side siding 305 is additionally provided on the top at 301 edge of turntable.In the corresponding side wall of four chambers
Opening there are four being set at plate 305.In the upper part at second station d, 3rd station e and corresponding 301 edge of turntable the 4th station f
It She You not fixed closed baffle 306.Fixed closed baffle 306 is connect with top cover 303.
It is preferred that motor 302 is directly or indirectly fixed on the bottom in cabinet 1.
Preferably, the operating drying unit 3 further includes being arranged below 3rd station e and being located at 301 lower part of turntable
The second weighing device 307.
Preferably, the second weighing device 307 is directly or indirectly fixed on the bottom in cabinet 1.
Preferably, its first half can be retracted or be stretched out by the handgrip 204 of the analysis and discharge device 2.Namely
It says, handgrip is extended when reaching different stations or retracts the first half of the handgrip.It is preferred that can be grabbed by promoting handgrip 204
Tight sample container 201 can unclamp sample container 201 by declining handgrip 204.
Preferably, four chambers of the operating drying unit 3 or four stations are using the axle center of turntable 301 as angle
Vertex has equal 90 ° of angle each other.
The above-mentioned online MOISTURE MEASUREMENT SYSTEM of absolute method in operation, can be inputted by manual sampling from loading hopper 4
Sample.
It is preferred that automatically entering sample from loading hopper 4 using sampling system 5.It is preferable therefore that said detecting system is also wrapped
Include sampling system 5 (or sampler 5), sampling system 5 be arranged in the top of cabinet 1 and be located at analysis and discharge device 2 it is upper
Side, sampling system 5 are that analysis and discharge device 2 convey sample by loading hopper 4.More specifically, sampling system 5 by into
Funnel 4 be analysis and discharge device 2 in award material position a sample container 201 convey sample.
Preferably, sampling system 5 includes feedboard 501, charging sheet drive 502 and feeding baffle 503.Feedboard drives
Dynamic device 502 is arranged above cabinet 1.Feedboard 501 is mounted on the stretching front end of charging 502 kinematic axis of sheet drive.Feeding gear
Plate 503 is mounted on 1 top of cabinet and is located at the top of the recovery position (or recycling terminal position) of feedboard 501.It is preferred that into
Funnel 4 install (such as inlaying) in the top blind flange of cabinet 1 and be located at feedboard 501 recovery position (or recycling end
Position) lower section.
There are siding openings between four side sidings 305 of the edge of turntable 301 setting, adjacent side siding 305, altogether
Four siding openings.This four sidings opening on the periphery of turntable 301 angularly or equidistantly distributed.With the position of siding opening
Set corresponding, four chambers of setting on turntable.Each of four chambers chamber be (arc) by being arranged on turntable every
Plate 305a, which surrounds, to be formed and the distal end of (arc) partition 305a in the two sides that siding is open is connected to turntable side siding 305
On.Therefore, correspondingly, the distal side of chamber equally has chamber opening.That is, siding opening is also the opening of chamber.It is described here
Distal end or distal side refer to far from rotary disk central axis (i.e. axis of rotation) outside.Charged the sample container of (or sample)
201 (such as utilizing mechanical gripper) are open via siding or chamber opening is sent into the first station c.The operation of four stations terminates
Afterwards, the sample container 201 (such as utilizing mechanical gripper) of discharging is open via siding or chamber opening is taken out from the first station c.
Generally, fixed closed baffle 306 is fixed on the lower surface of top blind flange 303.Closed guard 306 is used for closure wall
Plate opening or chamber opening.That is, closed guard 306 and (arc top) partition 305a are encircled into an independent chamber.Cause
This, fixed closed baffle 306 is also referred to as fixed closed guard.More specifically, it is surrounded when by (arc) partition 305a
When there is the chamber of opening to rotate with rotary disk 301 to corresponding station (i.e. second, third or the 4th station), opening is sealed
It closes baffle 306 to be closed, at this point, by partition 305a, cavity bottom (a part for belonging to turntable), cover board 303 and closed guard
306 are encircled into closed chamber.Certainly, it is had the gap between the lower surface of cover board 303 and the top of partition 305a, to allow to turn
Disk 301 rotates freely.
The bottom of each chamber offers through-hole.For placing sample container 201 above through-hole.
Second of the embodiment provided according to the present invention provides a kind of online moisture detecting method of absolute method:
A kind of online moisture detecting method of absolute method uses the online MOISTURE MEASUREMENT SYSTEM of above-mentioned absolute method (or detector)
The method for carrying out water content detection, method includes the following steps:
1) it is located at the weight for the sample container 201 that weighing is weighed with the first weighing device 203 below the b of discharge position after discharge
(W0)；
2) handgrip 204 firmly grasps sample container 201 by being promoted, and sample container 201 is rotated from weighing and discharge position b to awarding
Material position a, handgrip 204 unclamp sample container 201 by decline, sample container 201 are placed on measuring table 202, feedboard 501
It is driven from 502 kinematic axis of charging sheet drive toward recycling after splicing from the belt blanking of belt conveyor, feeding baffle 503 will
The material of feedboard 501 scrapes, and sample materials flow into sample container 201 with loading hopper 4 or manual sampling is by sample materials
It is inputted in sample container 201 from loading hopper 4；
3) handgrip 204 firmly grasps sample container 201 and rotates sample container 201 to weighing and discharge position b from material position a is awarded, and grabs
Hand 204 unclamps sample container 201, and the first weighing device 203 weighs the weight (W of the sample container 201 to have charged1)；
4) after having weighed, handgrip 204 rotates sample container 201 to the first station c from weighing and discharge position b, contains sample and holds
Device 201 successively carries out microwave by second station d, 3rd station e and the 4th station f under the carrying and drive of turntable 301 and does
Dry, after drying, sample container 201 rotates back to the first station c；
5) handgrip 204 rotates sample container 201 to weighing and discharge position b, the first weighing device 203 from the first station c
Weight (the W of sample container 201 after weighing is dry2)；
6) according to formula (W1-W2)/(W1-W0) calculate the water content (%) of grabbed sample materials；
7) vacuum pump 208 is opened, the dried material in sample container 201 (such as is expelled to by the discharge of drainage conduit 209
On belt).
Preferably, in step 4), when sample container 201 is while 3rd station e is dry, the second weighing device 307
It weighs to sample container 201, if weight does not have the variation of 0.05g, preferably 0.02g in 2~10 seconds, preferably 3~5 seconds,
Then think that sample materials have been dried completely.
Preferably, above-mentioned steps 1-7 is repeated as many times (such as 3-7 times), calculates average value by multiple water content data,
To which detection obtains the true water content of material.
The third embodiment provided according to the present invention provides a kind of (or the detection of the online MOISTURE MEASUREMENT SYSTEM of absolute method
Instrument):
A kind of online MOISTURE MEASUREMENT SYSTEM of absolute method (or detector), it includes cabinet 1, is located at 1 interior side (example of cabinet
Such as left side) analysis and discharge device 2, be located at the operating drying unit 3 of the 1 inside other side of cabinet (such as right side) and be located at point
The sampling system 5 of 2 top of analysis and discharge device.Wherein analysis and discharge device 2 have handgrip 204 and handgrip 204 is in level side
It is rotatable (such as being rotated along rotating mechanism 206) along central axis upwards, and also there are at least two stations: award material position a
With weighing and discharge position b.Operating drying unit 3 has turntable 301, and four chambers on turntable 301 are arranged in, and is located at four chambers
The top cover 303 on room top, and the multiple microwave generators 304 being arranged on top cover 303, and also there are four stations for tool: it is close
First station c of analysis and discharge device 2, thus counterclockwise, the second station d, the 3rd station e that set gradually and the
Four station f.It operates drying unit and is also equipped with opening on the top at corresponding 301 edge of turntable of four chambers.Second station d,
The top at corresponding 301 edge of turntable 3rd station e and the 4th station f is respectively equipped with fixed closed baffle 306.Wherein four chambers
Room cyclic switching between the position of four stations.
In the present invention, analysis and discharge device 2 are located at equipped with one awards the top of material position a and is installed in cabinet 1
The loading hopper 4 at top (or in top blind flange).Sampling system 5 is connected to by loading hopper 4 with analysis and discharge device 2.
In the present invention, analysis and discharge device 2 include sample container 201, measuring table 202, the first weighing device
203, handgrip 204, handgrip driver 205, rotating mechanism 206, vacuum tube 207, vacuum pump 208 and drainage conduit 209.Wherein measure
Platform 202 is located at the lower section for awarding material position a and weighing and discharge position b.Sample container 201 is supported by measuring table 202.First claims
Refitting sets 203 positioned at 202 lower part of measuring table and the first weighing device 203 is located at weighing and the lower section of discharge position b.Handgrip driving
Device 205 is mounted on 206 top of rotating mechanism.Handgrip 204 is mounted on the stretching front end of 205 kinematic axis of handgrip driver.Vacuum tube
207 front port is located at weighing and the top of discharge position b, the rear port of vacuum tube 207 are connect with vacuum pump 208, vacuum pump 208
The other end connect with drainage conduit 209.It is preferred that vacuum tube 207 be arranged in the top (or in top blind flange) of cabinet 1 and it before
Port is located at weighing and the top of discharge position b, the rear port that vacuum tube 207 is located at outside cabinet 1 are connect with vacuum pump 208.
Preferably, measuring table 202, the first weighing device 203 and rotating mechanism 206 are directly or indirectly fixed respectively
Bottom in cabinet 1.
In the present invention, operating drying unit 3 includes turntable 301, and the motor 302 of driving turntable rotation is arranged in turntable
Four chambers on 301, the top cover 303 on four chambers, and the multiple microwave generators being arranged on top cover 303
304.Wherein the bottom of turntable 301 is arranged in motor 302, and multiple microwave generators 304 are separately positioned on second station d, third
Top (or top blind flange) on top cover 303 above station e and the 4th station f and across cabinet 1.
Preferably, side siding 305 is additionally provided on the top at 301 edge of turntable.In the corresponding side wall of four chambers
Opening there are four being set at plate 305.In the upper part at second station d, 3rd station e and corresponding 301 edge of turntable the 4th station f
It She You not fixed closed baffle 306.Fixed closed baffle 306 is connect with top cover 303.
It is preferred that motor 302 is directly or indirectly fixed on the bottom in cabinet 1.
Preferably, the operating drying unit 3 further includes being arranged below 3rd station e and being located at 301 lower part of turntable
The second weighing device 307.
Preferably, the second weighing device 307 is directly or indirectly fixed on the bottom in cabinet 1.
Preferably, its first half can be retracted or be stretched out by the handgrip 204 of the analysis and discharge device 2.Namely
It says, handgrip is extended when reaching different stations or retracts the first half of the handgrip.It is preferred that can be grabbed by promoting handgrip 204
Tight sample container 201 can unclamp sample container 201 by declining handgrip 204.
Preferably, four chambers of the operating drying unit 3 or four stations are using the axle center of turntable 301 as angle
Vertex has equal 90 ° of angle each other.
The above-mentioned online MOISTURE MEASUREMENT SYSTEM of absolute method in operation, can be inputted by manual sampling from loading hopper 4
Sample.
It is preferred that automatically entering sample from loading hopper 4 using sampling system 5.The top of cabinet 1 is arranged in sampling system 5
And it is located at the top of analysis and discharge device 2, sampling system 5 is that analysis and discharge device 2 convey sample by loading hopper 4.
More specifically, sampling system 5 be that analysis and being in for discharge device 2 award the sample container 201 of material position a by loading hopper 4
Convey sample.
Generally, sampling system 5 includes feedboard 501, charging sheet drive 502 and feeding baffle 503.Feed sheet drive
502 are arranged above cabinet 1.Feedboard 501 is mounted on the stretching front end of charging 502 kinematic axis of sheet drive.Feeding baffle 503
It is mounted on 1 top of cabinet and is located at the top of the recovery position (or recycling terminal position) of feedboard 501.It is preferred that charging leakage
Recovery position (or recycling terminal position) of 4 installation (such as inlaying) of bucket in the top blind flange of cabinet 1 and positioned at feedboard 501
Lower section.
Embodiment 1
Such as Fig. 1-3, a kind of online MOISTURE MEASUREMENT SYSTEM of absolute method, it includes cabinet 1, point positioned at 1 inside left of cabinet
Analysis and discharge device 2, the operating drying unit 3 positioned at 1 inner right side of cabinet and the sampling above analysis and discharge device 2
System 5.Wherein analysis and discharge device 2 have handgrip 204 and handgrip 204 can be revolved along rotating mechanism 206 in the horizontal direction
Turn, and also there are two stations for tool: awarding material position a and weighing and discharge position b.Operating drying unit 3 has turntable 301, and setting exists
Four chambers on turntable 301, the top cover 303 positioned at four chamber top, and 3 microwaves being arranged on top cover 303 occur
Device 304, and also there are four stations for tool: close to analysis and the first station c of discharge device 2, thus counterclockwise, successively
Second station d, 3rd station e and the 4th station f of setting.Drying unit is operated also on corresponding 301 side of turntable of four chambers
The top of edge is equipped with opening.Distinguish on the top at second station d, 3rd station e and corresponding 301 edge of turntable the 4th station f
Equipped with fixed closed baffle 306.Wherein four chambers cyclic switching between the position of four stations.
Analysis and discharge device 2 are located at the charging leakage awarded the top of material position a and be installed in 1 top of cabinet equipped with one
Bucket 4.Sampling system 5 is connected to by loading hopper 4 with analysis and discharge device 2.Sampling system 5 includes feedboard 501, feedboard
Driver 502 and feeding baffle 503.Sheet drive 502 is fed to be arranged above cabinet 1.Feedboard 501 is mounted on feedboard drive
The stretching front end of dynamic 502 kinematic axis of device.Feeding baffle 503 is mounted on 1 top of cabinet and is located at the recycling end of feedboard 501
The top of position.Loading hopper 4 is embedded in the top blind flange of cabinet 1 and is located under the recycling terminal position of feedboard 501
Side.
Analysis and discharge device 2 include sample container 201, measuring table 202, the first weighing device 203, handgrip 204, grab
Hand-drive device 205, rotating mechanism 206, vacuum tube 207, vacuum pump 208 and drainage conduit 209.Wherein measuring table 202 is located at and awards
The lower section of material position a and weighing and discharge position b.Sample container 201 is supported by measuring table 202.First weighing device 203 is located at
202 lower part of measuring table and the first weighing device 203 are located at weighing and the lower section of discharge position b.Handgrip driver 205 is mounted on rotation
206 top of rotation mechanism.Handgrip 204 is mounted on the stretching front end of 205 kinematic axis of handgrip driver.Vacuum tube 207 is arranged in cabinet 1
Top blind flange on and its front port be located at weighing and the top of discharge position b, vacuum tube 207 is located at the rear port outside cabinet 1
It is connect with vacuum pump 208, the other end of vacuum pump 208 is connect with drainage conduit 209.Measuring table 202, the first weighing device 203
The bottom in cabinet 1 is separately fixed at rotating mechanism 206.
Its first half can be retracted or be stretched out by the handgrip 204 of the analysis and discharge device 2.That is, handgrip arrives
First half that is extended or retracting handgrip when up to different stations.Sample container 201 can be firmly grasped by promoting handgrip 204,
Sample container 201 can be unclamped by declining handgrip 204.
Operating drying unit 3 includes turntable 301, and the motor 302 of driving turntable rotation is arranged in four on turntable 301
Chamber, the top cover 303 on four chambers, and the multiple microwave generators 304 being arranged on top cover 303.Wherein motor
302 are arranged in the bottom of turntable 301, and 3 microwave generators 304 are separately positioned on second station d, 3rd station e and the 4th work
On top cover 303 above the f of position and across the top blind flange of cabinet 1.
Side siding 305 is additionally provided on the top at 301 edge of turntable.It is set at the corresponding side siding 305 of four chambers
There are four openings.Fixed envelope is equipped on the top at second station d, 3rd station e and corresponding 301 edge of turntable the 4th station f
Close baffle 306.Fixed closed baffle 306 is connect with top cover 303.
Four chambers and four stations of the operating drying unit 3 are using the axle center of turntable 301 as the vertex of angle, each other
Between all have 90 ° of equal angle.
Embodiment 2
Embodiment 1 is repeated, only the operating drying unit 3 further includes being arranged below 3rd station e and being located at turntable
Second weighing device 307 of 301 lower parts.
Embodiment 3
A kind of online moisture detecting method of absolute method, using the MOISTURE MEASUREMENT SYSTEM in embodiment 1, this method includes following
Step:
1) it is located at the weight for the sample container 201 that weighing is weighed with the first weighing device 203 below the b of discharge position after discharge
(W0)；
2) handgrip 204 firmly grasps sample container 201 by being promoted, and sample container 201 is rotated from weighing and discharge position b to awarding
Material position a, handgrip 204 unclamp sample container 201 by decline, sample container 201 are placed on measuring table 202, feedboard 501
It is driven from 502 kinematic axis of charging sheet drive toward recycling after splicing from the belt blanking of belt conveyor, feeding baffle 503 will
The material of feedboard 501 scrapes, and sample materials flow into sample container 201 with loading hopper 4；
3) handgrip 204 firmly grasps sample container 201 and rotates sample container 201 to weighing and discharge position b from material position a is awarded, and grabs
Hand 204 unclamps sample container 201, and the first weighing device 203 weighs the weight (W of the sample container 201 to have charged1)；
4) after having weighed, handgrip 204 rotates sample container 201 to the first station c from weighing and discharge position b, contains sample and holds
Device 201 successively carries out microwave by second station d, 3rd station e and the 4th station f under the carrying and drive of turntable 301 and does
Dry, after drying, sample container 201 rotates back to the first station c；
5) handgrip 204 rotates sample container 201 to weighing and discharge position b, the first weighing device 203 from the first station c
Weight (the W of sample container 201 after weighing is dry2)；
6) according to formula (W1-W2)/(W1-W0) calculate the water content (%) of grabbed sample materials；
7) vacuum pump 208 is opened, the dried material in sample container 201 is discharged by drainage conduit 209；
8) above-mentioned steps 1-7 is repeated 3 times, and average value is calculated by 3 water content data, so that detection obtains the true of material
Real water content.
The detection of completion in 2 minutes.
Embodiment 4
A kind of online moisture detecting method of absolute method, method includes the following steps:
1) it is located at the weight for the sample container 201 that weighing is weighed with the first weighing device 203 below the b of discharge position after discharge
(W0)；
2) handgrip 204 firmly grasps sample container 201 by being promoted, and sample container 201 is rotated from weighing and discharge position b to awarding
Material position a, handgrip 204 unclamp sample container 201 by decline, sample container 201 are placed on measuring table 202, manual sampling
Sample materials are inputted in sample container 201 from loading hopper 4；
3) handgrip 204 firmly grasps sample container 201 and rotates sample container 201 to weighing and discharge position b from material position a is awarded, and grabs
Hand 204 unclamps sample container 201, and the first weighing device 203 weighs the weight (W of the sample container 201 to have charged1)；
4) after having weighed, handgrip 204 rotates sample container 201 to the first station c from weighing and discharge position b, contains sample and holds
Device 201 successively carries out microwave by second station d, 3rd station e and the 4th station f under the carrying and drive of turntable 301 and does
Dry, after drying, sample container 201 rotates back to the first station c；
5) handgrip 204 rotates sample container 201 to weighing and discharge position b, the first weighing device 203 from the first station c
Weight (the W of sample container 201 after weighing is dry2)；
6) according to formula (W1-W2)/(W1-W0) calculate the water content (%) of grabbed sample materials；
7) vacuum pump 208 is opened, the dried material in sample container 201 is discharged by drainage conduit 209；
8) above-mentioned steps 1-7 is repeated 3 times, and average value is calculated by 3 water content data, so that detection obtains the true of material
Real water content.
The detection of completion in 2.5 minutes.
Embodiment 5
Embodiment 3 is repeated, only in step 4), when sample container 201 is while 3rd station e is dry, second weighs
Device 307 weighs to sample container 201, if weight does not have the variation of 0.02g in 3 seconds, then it is assumed that sample materials are
It is dry complete.
Claims (10)
1. online MOISTURE MEASUREMENT SYSTEM, it includes cabinet (1), the analysis for being located at cabinet (1) interior side (such as left side) and row
Expect device (2) and be located at the operating drying unit (3) of cabinet (1) internal other side (such as right side), wherein analysis and discharge dress
(2) are set with handgrip (204) and handgrip (204) is rotatable (such as along rotating mechanism along central axis in the horizontal direction
(206) rotate), and also there are at least two stations: award material position (a) and weighing and discharge position (b)；It operates drying unit (3)
With turntable (301), four chambers being arranged on turntable (301), the top cover (303) positioned at four chamber top, and setting
Multiple microwave generators (304) on top cover (303), and also having there are four station: close to analysis and discharge device (2)
First station (c), thus counterclockwise, second station (d), 3rd station (e) and the 4th station (f) set gradually,
It operates drying unit and is also equipped with opening on the top at corresponding turntable (301) edge of four chambers, in second station (d), third
The top at station (e) and corresponding turntable (301) edge of the 4th station (f) is respectively equipped with fixed closed baffle (306), wherein four
A chamber cyclic switching between the position of four stations.
2. detection system according to claim 1, it is characterised in that: analysis and discharge device (2) equipped with one be located at award
The top of material position (a) and the loading hopper (4) for being installed in (or in top blind flange) at the top of cabinet (1).
3. detection system according to claim 1 or 2, it is characterised in that: analyze and discharge device (2) includes sample container
(201), measuring table (202), the first weighing device (203), handgrip (204), handgrip driver (205), rotating mechanism
(206), vacuum tube (207), vacuum pump (208) and drainage conduit (209), wherein measuring table (202), which is located at, awards material position (a) and claims
The lower section of weight and discharge position (b), sample container (201) are supported by measuring table (202), and the first weighing device (203) is located at
Measuring table (202) lower part and the first weighing device (203) are located at the lower section of weighing and discharge position (b), handgrip driver (205)
It is mounted on rotating mechanism (206) top, handgrip (204) is mounted on the stretching front end of handgrip driver (205) kinematic axis, vacuum tube
(207) front port is located at the top of weighing and discharge position (b), and the rear port of vacuum tube (207) is connect with vacuum pump (208),
The other end of vacuum pump (208) is connect with drainage conduit (209)；It is preferred that vacuum tube (207) setting cabinet (1) top (or top
On portion's cover board) and its front port be located at the top of weighing and discharge position (b), vacuum tube (207) is located at the rear end of cabinet (1) outside
Mouth is connect with vacuum pump (208)；
Preferably, measuring table (202), the first weighing device (203) and rotating mechanism (206) are directly or indirectly solid respectively
It is scheduled on the bottom in cabinet (1).
4. detection system according to any one of claim 1-3, it is characterised in that: operating drying unit (3) includes turning
Disk (301), the motor (302) of driving turntable rotation, four chambers being arranged on turntable (301), on four chambers
Top cover (303), and the multiple microwave generators (304) being arranged on top cover (303), wherein motor (302) is arranged in turntable
(301) bottom, multiple microwave generators (304) are separately positioned on second station (d), 3rd station (e) and the 4th station (f)
Top (or top blind flange) on the top cover (303) of top and across cabinet (1)；
Preferably, side siding (305) are additionally provided on the top at turntable (301) edge, in the corresponding side wall of four chambers
Opening there are four being set at plate (305)；On second station (d), 3rd station (e) and corresponding turntable (301) side of the 4th station (f)
The top of edge is respectively equipped with fixed closed baffle (306), and fixed closed baffle (306) is connect with top cover (303)；
It is preferred that motor (302) is directly or indirectly fixed on the bottom in cabinet (1).
5. detection system according to claim 4, it is characterised in that: the operating drying unit (3) further includes that setting exists
The second weighing device (307) below 3rd station (e) and positioned at turntable (301) lower part；
Preferably, the second weighing device (307) is directly or indirectly fixed on the bottom in cabinet (1).
6. detection system according to any one of claims 1-5, it is characterised in that: the analysis and discharge device (2)
Handgrip (204) can its first half be retracted or be stretched out；It is preferred that sample container can be firmly grasped by promoting handgrip (204)
(201), sample container (201) can be unclamped by declining handgrip (204)；And/or
Four chambers or four stations of operating drying unit (3) are using the axle center of turntable (301) as the vertex of angle, each other
Between have equal 90 ° of angle.
7. detection system according to claim 1 to 6, it is characterised in that: the detection system further includes sample train
It unites (5), sampling system (5) is arranged the top in cabinet (1) and is located at the top of analysis and discharge device (2), sampling system (5)
It is that analysis and discharge device (2) convey sample by loading hopper (4)；It is preferred that sampling system (5) is by loading hopper (4)
Analysis and discharge device (2) in award material position (a) sample container (201) conveying sample.
8. detection system according to claim 7, it is characterised in that: the sampling system (5) include feedboard (501),
Sheet drive (502) and feeding baffle (503) are fed, charging sheet drive (502) setting is above cabinet (1), feedboard
(501) it is mounted on the stretching front end of charging sheet drive (502) kinematic axis, feeding baffle (503) is mounted on above cabinet (1) simultaneously
And it is located at the top of the recovery position (or recycling terminal position) of feedboard (501)；It is preferred that loading hopper (4) installation (such as inlay
It is embedding) in the top blind flange of cabinet (1) and the lower section of the recovery position (or recycling terminal position) that is located at feedboard (501).
9. a kind of online moisture detecting method of absolute method uses the online moisture of absolute method of any of claims 1-8
The method that detection system carries out water content detection, method includes the following steps:
1) it is located at the weight for the sample container (201) that weighing is weighed with the first weighing device (203) below discharge position (b) after discharge
Measure (W0)；
2) handgrip (204) firmly grasps sample container (201) by being promoted, and sample container (201) is rotated from weighing and discharge position (b)
To material position (a) is awarded, handgrip (204) unclamps sample container (201) by decline, sample container (201) is placed in measuring table
(202) on, feedboard (501) is after splicing from the belt blanking of belt conveyor by charging sheet drive (502) kinematic axis band
It moves toward recycling, feeding baffle (503) scrapes the material of feedboard (501), and sample materials are flowed into loading hopper (4) contains sample appearance
In device (201) or manual sampling is interior from loading hopper (4) input sample container (201) by sample materials；
3) handgrip (204) firmly grasps sample container (201) for sample container (201) from material position (a) rotation is awarded to weighing and discharge position
(b), handgrip (204) unclamps sample container (201), and the first weighing device (203) weighs the weight of the sample container (201) to have charged
Measure (W1)；
4) after having weighed, handgrip (204) from weighing and discharge position (b) rotation to the first station (c), contains sample container (201)
Sample container (201) is under the carrying and drive of turntable (301) successively by second station (d), 3rd station (e) and the 4th station
(f) microwave drying is carried out, after drying, sample container (201) rotates back to the first station (c)；
5) handgrip (204) is by sample container (201) from the rotation of the first station (c) to weighing and discharge position (b), the first weighing device
(203) weight (W of sample container (201) after weighing is dry2)；
6) according to formula (W1-W2)/(W1-W0) calculate the water content (%) of grabbed sample materials；
7) vacuum pump (208) are opened, the dried material in sample container (201) is discharged by drainage conduit (209) (such as be discharged
To belt).
10. according to the method described in claim 9, it is characterized by: in step 4), when sample container (201) is in 3rd station
(e) while dry, the second weighing device (307) weighs to sample container (201), if weight was 2~10 seconds, preferably 3
There is not the variation of 0.05g, preferably 0.02g in~5 seconds, then it is assumed that sample materials have been dried completely；
Preferably, above-mentioned steps 1-7 is repeated as many times (such as 3-7 times), calculates average value by multiple water content data, thus
Detection obtains the true water content of material.
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Cited By (3)
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| CN110630267A (en) * | 2019-09-23 | 2019-12-31 | 辽宁大学 | Water injection formula for reducing impact tendency of coal seam water injection and detection device for coal seam water injection effect |
| CN111929194A (en) * | 2020-06-15 | 2020-11-13 | 中国人民解放军总医院第五医学中心 | Automatic on-line detection method and device for traditional Chinese medicine moisture |
| CN112986046A (en) * | 2021-04-22 | 2021-06-18 | 南京兴盛德水泥有限公司 | Real-time online detection system for water content of cement clinker |
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| CN110630267A (en) * | 2019-09-23 | 2019-12-31 | 辽宁大学 | Water injection formula for reducing impact tendency of coal seam water injection and detection device for coal seam water injection effect |
| CN110630267B (en) * | 2019-09-23 | 2021-08-24 | 辽宁大学 | Water injection formula for reducing impact tendency of coal seam water injection and detection device for coal seam water injection effect |
| CN111929194A (en) * | 2020-06-15 | 2020-11-13 | 中国人民解放军总医院第五医学中心 | Automatic on-line detection method and device for traditional Chinese medicine moisture |
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