Invention content
(1) technical problems to be solved
The technical problem to be solved in the present invention is to provide a kind of automatic samplings for X-fluorescence on-line testing to abandon sample dress
Set so that sample introduction of the xrf analysis equipment when analyzing sample and abandon sample process and participated in without artificial, realize automatic sampling and
Abandon sample process.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of automatic samplings for X-fluorescence on-line testing to abandon sample
Device, including be connected to vertically preanalysis storehouse, sample analysis storehouse and abandon sample mouth, the sample in the sample analysis storehouse is glimmering by X
Light measures analysis;It is equipped with the first valve between the preanalysis storehouse and sample analysis storehouse, the sample analysis storehouse and abandons sample
The second valve is equipped between mouthful;Breather valve is communicated in the preanalysis storehouse, the breather valve is for making in the preanalysis storehouse
Outer generation pressure difference, so that the sample in the preanalysis storehouse is automatically fallen by the first valve in sample analysis storehouse.
Further, analysis measurement window is installed, the X-fluorescence is logical at least one side wall in the sample analysis storehouse
It crosses analysis measurement window and analysis is measured to the sample in the sample analysis storehouse.
Further, the back of the analysis measurement window is equipped with vacuum valve, removable by the adsorptive pressure of vacuum valve
That unloads is installed on the side wall in the sample analysis storehouse.
Further, it is connected separately at least one sensor in the preanalysis storehouse and sample analysis storehouse, to feel respectively
Answer the sample stacking position in the preanalysis storehouse and sample analysis storehouse.
Further, the first height of specimen and the second height of specimen, first sample are preset in the preanalysis storehouse
It is connected separately at least one sensor at height and the second height of specimen, with the sample being respectively induced in the preanalysis storehouse
The default sample introduction capacity and default highest sample capacity of product.
Further, highest height of specimen is equipped in the sample analysis storehouse, be connected at the highest height of specimen to
A few sensor, to incude the highest sample capacity in the sample analysis storehouse.
Further, it is communicated with respectively in the preanalysis storehouse, at the first valve, in sample analysis storehouse and at the second valve
At least one purging air valve, with to being blown in the preanalysis storehouse, at the first valve, in sample analysis storehouse and at the second valve
It sweeps.
Further, multiple purging air valves, Duo Gesuo have been respectively communicated in the preanalysis storehouse and sample analysis storehouse
It states purging air valve to be respectively arranged on the side wall in the preanalysis storehouse and sample analysis storehouse, with from different perspectives respectively to described pre-
It is purged in analysis storehouse and in sample analysis storehouse.
Further, it is connected to by transmission channel between first valve and sample analysis storehouse, the transmission channel
Multiple purging air valves are communicated on side wall, multiple purging air valves are ranked sequentially along the side wall of the transmission channel.
Further, further include abandoning sample pipe, described one end for abandoning sample pipe is connected by abandoning sample tube inlet with the preanalysis storehouse
Logical, the other end is connected to by abandoning the outlet of sample pipe with the sample mouth of abandoning.
(3) advantageous effect
The above-mentioned technical proposal of the present invention has the advantages that:The present invention's is used for the automatic of X-fluorescence on-line testing
Sample introduction abandons sampling device and includes the preanalysis storehouse being connected to vertically, sample analysis storehouse and abandon sample mouth, and the sample in sample analysis storehouse passes through X
Fluorescence measures analysis;It is equipped with the first valve between preanalysis storehouse and sample analysis storehouse, sample analysis storehouse and abandons between sample mouth
Equipped with the second valve;Breather valve is communicated in preanalysis storehouse, breather valve is for making preanalysis storehouse is inside and outside to generate pressure difference, so that in advance
Sample in analysis storehouse is automatically fallen by the first valve in sample analysis storehouse, so that xrf analysis equipment is in analysis sample
Sample introduction when product is participated in sample process is abandoned without artificial, is realized automatic sampling and is abandoned sample process, enables devices to successively
Coal sampling, and then realize and the real-time online of coal quality detected using X fluorescence spectrum analysis method.
Specific implementation mode
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used for limiting the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.Term "upper",
The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the present invention.
As shown in Figure 1 to 4, the automatic sampling provided in this embodiment for X-fluorescence on-line testing abandons sampling device and includes
The preanalysis storehouse 1 that is connected to vertically, sample analysis storehouse 5 and sample mouth 21 is abandoned, the sample in sample analysis storehouse 5 is surveyed by X-fluorescence
Amount analysis, sample pass through xrf analysis according to the capacity and demand in sample analysis storehouse 5 automatically into sample analysis storehouse 5
After equipment is irradiated analysis to sample, sample analysis storehouse 5 is left automatically and abandons sample, to realize that automatic sampling abandons the mistake of sample
Journey.Since preanalysis storehouse 1 and sample analysis storehouse 5 are arranged vertically design, the gravity of sample itself can be made full use of so that
Sample can vertically be fallen into sample analysis storehouse 5 from preanalysis storehouse 1, to enable the sample distribution fallen into sample analysis storehouse 5 to have
There is good uniformity, the analysis to improve the device measures stability.
For the ease of the sample capacity in control preanalysis storehouse 1 and sample analysis storehouse 5, and convenient for abandoning sample prescription just, pre-
It analyzes and is equipped with the first valve 4 between storehouse 1 and sample analysis storehouse 5, the second valve is equipped in sample analysis storehouse 5 and between abandoning sample mouth 21
7, after the sample for having analyzed completion in sample analysis storehouse 5 abandons sample mouth 21 by the entrance of the second valve 7 abandons sample, close the second valve
Door 7 simultaneously opens the first valve 4 so that sample to be analyzed enters sample analysis storehouse 5 out of preanalysis storehouse 1 by the first valve 4
It is interior, to measure analysis to sample by X-fluorescence;Breather valve 2 is communicated in preanalysis storehouse 1, breather valve 2 is for making preanalysis
Storehouse 1 is inside and outside to generate pressure difference, so that the sample in preanalysis storehouse 1 can automatically fall into sample analysis by the first open valve 4
In storehouse 5, so that sample introduction of the xrf analysis equipment when analyzing sample is participated in sample process is abandoned without artificial, realize automatically
Change sample introduction and abandon sample process, enables devices to continuously coal sampling, and then realize and utilize X fluorescence spectrum analysis method
Real-time online detection to coal quality.
The sample in sample analysis storehouse 5 is carried out for the ease of xrf analysis equipment quickly to measure analysis, the present embodiment
Analysis measurement window 6 is installed, it is glimmering to be correspondingly arranged on X outside the analysis measurement window 6 at least one side wall in sample analysis storehouse 5
Light analyzer, the X-fluorescence that xrf analysis instrument is sent out can survey the sample in sample analysis storehouse 5 by analyzing measurement window 6
Amount analysis.Optimization Analysis measurement window 6 is rectangle, and further preferably long rectangle can to increase the analyzed area of sample
Weaken the influence that sample inhomogeneities is brought, to improve analysis stability and analysis precision.In order to ensure the analysis measurement window
Mouthfuls 6 planarization, in the present embodiment, the back of analysis measurement window 6 is equipped with vacuum valve 14, the suction generated by vacuum valve 14
Enclosure pressure so that analysis measurement window 6 keeps smooth state.
In the present embodiment, at least one sensor 10,11,16 is connected separately in preanalysis storehouse 1 and sample analysis storehouse 5,
To be respectively induced the sample stacking position in preanalysis storehouse 1 and sample analysis storehouse 5.
The first height of specimen and the second height of specimen are preset in preanalysis storehouse 1, the first height of specimen and the second sample are high
At least one sensor 10,11 is connected separately at degree, be respectively induced the sample in preanalysis storehouse 1 default sample introduction capacity and
Default highest sample capacity;Preferably, the first height of specimen may be configured as the sample feeding minimum altitude in preanalysis storehouse 1, the
Two height of specimen may be configured as the sample feeding maximum height in preanalysis storehouse 1, and the sensor 11 at the first height of specimen is felt
When should arrive sample less than the first height of specimen, then opening the injection port in preanalysis storehouse 1 makes sample enter waiting in preanalysis storehouse 1,
When the sensor 10 of the second height of specimen senses that height of specimen has reached second height of specimen, illustrate in preanalysis storehouse 1
Sample size run up to enough carry out one wheel analyze, then control system is notified stops sampling into preanalysis storehouse 1.
It is equipped with highest height of specimen in sample analysis storehouse 5, at least one sensor 16 is connected at highest height of specimen, with
Incude the highest sample capacity in sample analysis storehouse 5, the sensor 16 at highest height of specimen senses in sample analysis storehouse 5
Sample stacking height when having reached highest height of specimen, close the first valve 4, open xrf analysis instrument, utilize X-fluorescence pair
Sample in sample analysis storehouse 5 is irradiated at least once, with all samples accumulated in Synchronization Analysis sample analysis storehouse 5.
Sampling device is abandoned before use starts or after use or during use for the ease of the automatic sampling, is carried out
Inside cleans, be communicated with respectively preferably in the preanalysis storehouse 1, at the first valve 4, in sample analysis storehouse 5 and at the second valve 7 to
Few purging air valve 3,8,9,12,13,15,17,18, in preanalysis storehouse 1, at the first valve 4, in sample analysis storehouse 5
It is purged at the second valve 7, to ensure sample introduction efficiency and sample quality of the sample during sample introduction, to ensure that X is glimmering
The accuracy of light on-line testing.
In order to ensure the purging effect in preanalysis storehouse 1 and sample analysis storehouse 5, preferably in preanalysis storehouse 1 and sample analysis
Multiple purging air valves 3,13,15,17 are respectively communicated in storehouse 5, multiple purging air valves 3,13,15,17 are respectively arranged in preanalysis
On the side wall in storehouse 1 and sample analysis storehouse 5, with from different perspectives respectively to being blown in preanalysis storehouse 1 and sample analysis storehouse 5
It sweeps, reduces coal sample residual.
In the present embodiment, multiple purging air valves 3,13,15,17 preferably in preanalysis storehouse 1 and sample analysis storehouse 5 distinguish phase
To be inclined to different angle, the inflatable mouth of part purging air valve 3,13 is towards in preanalysis storehouse 1 and sample analysis storehouse 5
Portion, with the residual coal sample inside cleaning, another part purges the inflatable mouth of air valve 15,17 towards preanalysis storehouse 1 and sample analysis
The inner wall in storehouse 5, to clean the residual coal sample on inner wall.
In the present embodiment, 7 connect respectively (i.e. at the first valve 4) and at the second valve preferably at the door in preanalysis storehouse 1
Logical purging air valve 12,18, to clean the residual coal sample at the first valve 4 and at the second valve 7.
In order to ensure that the sample transfer between preanalysis storehouse 1 and sample analysis storehouse 5 is unobstructed, in the first valve 4 and sample point
Analysis is connected between storehouse 5 by transmission channel, and multiple purging air valves 8,9, multiple purging air valves are communicated on the side wall of transmission channel
8, it 9 is ranked sequentially along the side wall of transmission channel, in order to ensure the residual coal sample cleaning effect in transmission channel more preferably, is preferably passing
At least one purging air valve 8,9 is respectively set close to one end of the first valve 4 and close to the one end in sample analysis storehouse 5 in defeated channel,
So that the residual coal sample purged can be discharged quickly through transmission channel.
Transmission channel blocks in order to prevent, and it further includes abandoning sample pipe that the automatic sampling of the present embodiment, which abandons sampling device, abandons sample pipe
One end is connected to by abandoning sample tube inlet 19 with preanalysis storehouse 1, and the other end is connected to by abandoning sample pipe outlet 20 with sample mouth 21 is abandoned, preferably
It is transparent material to abandon sample pipe, and when transmission channel blocks, the sample in preanalysis storehouse 1 directly can abandon sample mouth by abandoning the arrival of sample pipe
21, be then discharged out outside device, so when abandon can intuitively see in sample pipe there is sample to pass through when, you can judge transmission channel immediately
Obstruction, so as to stop the sample introduction process tested automatically, in order to on-call maintenance transmission channel.
The automatic sampling of the present embodiment, which abandons sampling device, to be the sample introduction by automation and abandons sample to realize that real-time online detects
The situation of change of coal quality will be introduced briefly the sample introduction of automation and abandons sample flow below:
The coal sample of 13mm granule sizes is made to the coal sample of 0.2mm granule sizes, 0.2mm granule sizes by sample preparation module
Coal sample be transmitted in preanalysis sample bin 1 further through the mode of pneumatic transfer.
By the sample levels of accumulation in sensor 10,11 in real time monitoring preanalysis storehouse 1, if sensor 10,11 monitors
It runs up to the sample size in preanalysis storehouse 1 and is analyzed enough, then sensor 10,11 is notified that control system stopping is adopted
Sample.
After original sample analysis in sample analysis storehouse 5 is complete, and the sample in sample analysis storehouse 5 has been drained, that
System can close the second valve 7, then open the first valve 4, open breather valve 2 and ventilate, generate pressure difference, and then make pre- point
Sample in analysis storehouse 1 is fallen into sample analysis storehouse 5, is then turned on the purging ventilation purging preanalysis of air valve 3 storehouse, is opened purging air valve
At the door in 12 purging preanalysis storehouses (i.e. at the first valve), clean rear the first valve of closing 4 and purging air valve 2,3,12 are purged,
Start to acquire analysis sample next time.
After sample in preanalysis storehouse 1 falls completely within sample analysis storehouse 5, sensor 16 can monitor sample in sample analysis storehouse 5
Product amount number, when reaching sufficient amount, xrf analysis instrument just by analyze measurement window 6 in sample analysis storehouse 5
Sample is analyzed, and measurement window 6 is analyzed during analysis to keep smooth by the suction-operated of vacuum valve 14.
After sample in sample analysis storehouse 5 has been analyzed, system opens the second valve 7 by the sample in sample analysis storehouse 5
Product are discharged by abandoning sample mouth 21, and are opened purging air valve 8,9 and purged transmission channel, are opened purging air valve 13,15,17 and are purged sample
Storehouse 5 is analyzed, purging air valve 18 is opened and purges at the door in sample analysis storehouse and at the second valve, closes the after purging is clean respectively
Two valves 7 and purging air valve 8,9,13,15,17,18;
It repeats the above process, until sample whole automatic on-line is completed.
In the actual use process, the transmission channel occasional between preanalysis storehouse 1 and sample analysis storehouse 5 blocks
Phenomenon, the process flow blocked after occurring are as follows:
The coal sample of 0.2mm granule sizes, 0.2mm is made in sample preparation module by the coal sample of 13mm granule sizes Jing Guo the system
The coal sample of granule size is transmitted to further through the mode of pneumatic transfer in preanalysis storehouse 1;
Sensor 10,11 can monitor the sample levels of accumulation in preanalysis storehouse 1 in real time, if sensor 10,11 monitors
Sample size in preanalysis storehouse 1 is run up to be analyzed enough, then sensor 10,11 is notified that control system stopping is adopted
Sample.
After original sample analysis in sample analysis storehouse 5 is complete, and the sample in sample analysis storehouse 5 has been drained, that
System can close the second valve 7, then open the first valve 4, open breather valve 2 and ventilate, generate pressure difference, and then make pre- point
Sample in analysis storehouse 1 is fallen into sample analysis storehouse 5.
If the transmission channel between preanalysis storehouse 1 and sample analysis storehouse 5 is blocked, the coal sample in preanalysis storehouse 1
The transparent plastic pipeline (abandoning sample pipe) that then can be abandoned sample tube inlet 19 by connection and abandon between sample pipe outlet 20 discards.
If abandoning in sample pipe has coal sample, illustrate that the channel between preanalysis storehouse 1 and sample analysis storehouse 5 is blocked,
It needs to abandon sampling device to the automatic sampling and safeguard.
The automatic sampling of the present embodiment is abandoned sampling device and is had the advantages that:
1, the perpendicular arrangement design of preanalysis storehouse 1 and sample analysis storehouse 5 vertically, can take full advantage of sample itself
Gravity makes sample vertically be fallen into sample analysis storehouse 5 from preanalysis storehouse 1, to make the sample accumulated in sample analysis storehouse 5
With good uniformity, the analysis for improving device measures stability;
2, preanalysis storehouse 1 is mounted with two sensors 10,11 respectively, can monitor the collection of sample size in real time, reach enough
Amount after can stop the collection of sample;Sample analysis storehouse 5 is equipped with sensor 16, for whether testing and analyzing the coal sample amount in storehouse
Analysis primary enough;
3, purging air valve 3,8,9,12,13,15,17,18 setting may be implemented to whole device inside each region into
Row purging, to reduce the coal sample of device internal residual, to improve the accuracy for measuring analysis.
4, it is mounted with breather valve 2 at the top in preanalysis storehouse 1, sample after 1 hatch door of preanalysis storehouse is opened can be avoided the occurrence of
The case where not falling.
5, analysis measurement window 6 is a strip window, and which increase the cross-sectional areas that sample is analyzed, and then is improved
Analysis precision.
6, the back dress of analysis measurement window 6 makes analysis measurement window there are one vacuum valve 14 for generating adsorptive pressure
6 keep smooth state;
7, analysis measurement window 6 can be easy to disassemble, can easily realize and regularly replace analysis measurement window
6;
8, pass through a transparent plastic tube (abandoning sample pipe) between the preanalysis storehouse 1 and sample analysis storehouse 5 of the present embodiment
1 door lower end of preanalysis storehouse is connected to the door lower end in sample analysis storehouse 5, user can very easily pass through the transparent modeling
Situation in expects pipe judges whether blocked in transmission channel.
In conclusion it includes being connected to vertically that the automatic sampling for X-fluorescence on-line testing of the present embodiment, which abandons sampling device,
Preanalysis storehouse 1, sample analysis storehouse 5 and sample mouth 21 is abandoned, the sample in sample analysis storehouse 5 measures analysis by X-fluorescence;Pre- point
It analyses and is equipped with the first valve 4 between storehouse 1 and sample analysis storehouse 5, sample analysis storehouse 5 and abandon between sample mouth 21 and be equipped with the second valve 7;In advance
Breather valve 2 is communicated in analysis storehouse 1, breather valve 2 is for making preanalysis storehouse 1 is inside and outside to generate pressure difference, so that in preanalysis storehouse 1
Sample is automatically fallen by the first valve 4 in sample analysis storehouse 5 so that xrf analysis equipment when analyzing sample into
Sample is participated in sample process is abandoned without artificial, is realized automatic sampling and is abandoned sample process, enables devices to continuously analyze coal
Sample, and then realize and the real-time online of coal quality is detected using X fluorescence spectrum analysis method.
The embodiment of the present invention provides for the sake of example and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
It is and to make those skilled in the art to more preferably illustrate the principle of the present invention and practical application to select and describe embodiment
It will be appreciated that various embodiments with various modifications of the present invention to design suitable for special-purpose.