CN205067258U - Novel calibration device of particle concentration optical fiber probe - Google Patents
Novel calibration device of particle concentration optical fiber probe Download PDFInfo
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- CN205067258U CN205067258U CN201520778657.0U CN201520778657U CN205067258U CN 205067258 U CN205067258 U CN 205067258U CN 201520778657 U CN201520778657 U CN 201520778657U CN 205067258 U CN205067258 U CN 205067258U
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- optical fiber
- fiber probe
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- electromagnetic valve
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Abstract
The utility model discloses a novel calibration device of particle concentration optical fiber probe, including support, oscillating batch charger, conical hopper, calibration device and granule collection container, set up oscillating batch charger, conical hopper, calibration device and granule collection container from last down fixing in proper order on the support, conical hopper, calibration device and granule collection container are connected through six fens steel pipes, calibration device comprises direct action type solenoid valve A, direct action type solenoid valve B, internal thread three way connection A and 1.7mm optical fiber probe A, internal thread three way connection A from top to bottom respectively with six fens steel pipe thread connection, the third connect with 1.7mm optical fiber probe A threaded connection, the granule is collected the container lower part and is set up the piston. The utility model discloses simple structure, cost are lower, install small, easy operation, and it is effectual to measure material particle concentration, conveniently measure the granule content in the different zone, the demarcation of being applied to particle concentration optical fiber probe in the fluidized bed that can be fine.
Description
Technical field
The utility model relates to fluid bed granulate concentration calibration technical field, especially relates to the novel caliberating device of a kind of granule density optical fiber probe.
Background technology
Fluidization technology has been widely used in commercial production, and fluidized bed has become a kind of high efficiency reactor due to the strong contact between gas-solid.Because fluidized bed endoparticle concentration and the regularity of distribution thereof directly affect mixing between gas-solid two-phase, heat and quality transmission distribution, the residence time etc. of solid particle in bed, also affect the overall performance of fluidized-bed reactor simultaneously, therefore can provide more theoretical foundation for the research of fluidized bed hydrodynamic performance to the analysis of local particle concentration behavior.
Fibre-optical probe can be used for measuring the concentration of solid particle, and optical measuring system was having to pass through demarcation before measuring Granules in Fluidized Bed concentration.A kind of scaling method is with liquid-solid fluid bed, the height of bed method such as Qin is demarcated the fibre-optical probe of odd-even arrangement, result shows to there is linear relationship between granule density and output signal, the calibration result of Reh also demonstrate that this point, but accurately can not judge the position of bed boundary by the method under high porosity, cannot stated accuracy be ensured.At present some doubts are still existed to the scaling method of liquid-solid system, because the service condition of fibre-optical probe is all at gas-solid system, another kind of calibration system is gas-solid fluidized bed, the terminal velocity of particle is measured by particle free-falling in larger diameter pipe, draw the calibration curve of concentration and voltage, but this method only can be used for the rarer situation of concentration.
Utility model content
In order to overcome above-mentioned existing technological deficiency, the purpose of this utility model is the granule density optical fiber probe caliberating device providing a kind of accurate concentration and voltage to demarcate corresponding relation.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
The technical program is the novel caliberating device of a kind of granule density optical fiber probe, comprises support, oscillating batch charger, conical hopper, caliberating device and particle collection container; Described support is fixedly installed oscillating batch charger, conical hopper, caliberating device and particle collection container from top to bottom successively; Described conical hopper, caliberating device are connected by six points of steel pipes with particle collection container; Described caliberating device is made up of direct-acting electromagnetic valve A, direct-acting electromagnetic valve B, female branch tee joint A and 1.7mm optical fiber probe A; Described female branch tee joint A is connected with six points of steel tube screw threads up and down respectively, and the 3rd joint is threaded with 1.7mm optical fiber probe A; Described particle collection container bottom arranges piston.Particle being put into the oscillating batch charger on top, by regulating silicon controlled open angle on oscillating batch charger infinitely can regulate feeding coal easily, ensureing even feeding.Particle is sent in conical hopper by oscillating batch charger uniformly, and conical hopper can prevent particle from kicking down, thus ensures that particle can all enter in six points of steel pipes.When particles fall reaches uniform and stable state, close direct-acting electromagnetic valve solenoid valve A and direct-acting electromagnetic valve B simultaneously, the incident light that 1.7mm optical fiber probe A launches and the light be reflected back from particle, by connecting particle speed tester and computer, demonstrate the magnitude of voltage that now signal reflex obtains on computers.Open direct-acting electromagnetic valve B, record direct-acting electromagnetic valve solenoid valve A and direct-acting electromagnetic valve B interval endocorpuscular weight, thus count particles concentration by particle collection container, concentration and the voltage corresponding relation of particle can be drawn through many experiments.The piston that particle collection container bottom is arranged is convenient to be rotated, can shutoff and release particles.
As optimization, set up one group of caliberating device again, described caliberating device is made up of direct-acting electromagnetic valve C, female branch tee joint B and 1.7mm optical fiber probe B, set up one group of caliberating device more, the identical optical fiber probe of diameter is used to record reflected signal at differing heights and draw magnitude of voltage, observing gained magnitude of voltage has unchanged, draw best magnitude of voltage, then the weight of particle between adjacent two direct-acting electromagnetic valves is recorded from lower to upper respectively, concentration value can be obtained as calculated, many experiments, show that two in the concentration of funtcional relationship and voltage curve.
As optimization, one group of caliberating device is set between described direct-acting electromagnetic valve A and direct-acting electromagnetic valve C, caliberating device is by direct-acting electromagnetic valve D, female branch tee joint C, 4mm optical fiber probe forms, read the magnitude of voltage of corresponding display in the computer of different-diameter optical fiber probe position respectively, then the weight of particle between adjacent two direct-acting electromagnetic valves is recorded from the bottom up successively by particle collection container, the concentration value of count particles successively, many experiments, show that three in the concentration of funtcional relationship and magnitude of voltage, the optical fiber probe of comparative analysis different-diameter differing heights is on the impact of demarcating.
As optimization, described caliberating device bottom arranges insertion slot type granule distribution, can effectively reduce the impact of probe on particle flow homogeneity below.
As optimization, in described caliberating device, the 3rd joint of female branch tee joint is connected with optical fiber probe and passes through rubber stopper seal, the problem that the sealing that rubber plug effectively solves is bad, prevents light from being entered in six points of steel pipes by finedraw, thus improves and demarcate accuracy.
As optimization, it is taper that described particle collection container top is provided with scale bottom, can read the volume of particle intuitively, be convenient to release particles simultaneously.
As optimization, in described six points of steel pipes, use graphite blacking, eliminate steel pipe inner wall reflection ray to the impact of measuring, improve the intensity of reflected signal.
Compared with prior art, the beneficial effects of the utility model are: the utility model structure is simple, cost is lower, device volume is little, simple to operate, measure material particles concentration effect good, be convenient for measuring the granule content in zones of different, the demarcation of Granules in Fluidized Bed concentration optical fiber probe can well be applied to.
Accompanying drawing explanation
The utility model illustrates by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is main structure schematic diagram of the present utility model;
Fig. 2 is the partial structurtes schematic diagram in A portion in Fig. 1.
Mark in figure:, support 1, oscillating batch charger 2, conical hopper 3, particle collection container 4, six points of steel pipes 5, direct-acting electromagnetic valve A6, direct-acting electromagnetic valve B7, female branch tee joint A8,1.7mm optical fiber probe A9, direct-acting electromagnetic valve C10, female branch tee joint B11,1.7mm optical fiber probe B12, direct-acting electromagnetic valve D13, female branch tee joint C14,4mm optical fiber probe 15, insertion slot type granule distribution 16, rubber plug 17 and piston 18.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment 1, as shown in Figures 1 and 2, the utility model is the novel caliberating device of a kind of granule density optical fiber probe, comprises support 1, oscillating batch charger 2, conical hopper 3, caliberating device and particle collection container 4; Described support 1 is fixedly installed oscillating batch charger 2, conical hopper 3, caliberating device and particle collection container 4 from top to bottom successively; Described conical hopper 3, caliberating device are connected by six points of steel pipes 5 with particle collection container 4; Described caliberating device is made up of direct-acting electromagnetic valve A6, direct-acting electromagnetic valve B7, female branch tee joint A8 and 1.7mm optical fiber probe A9; Described female branch tee joint A8 is threaded with six points of steel pipes 5 up and down respectively, and the 3rd joint is threaded with 1.7mm optical fiber probe A9; Described particle collection container 4 bottom arranges piston 18.
Particle being put into the oscillating batch charger 2 on top, by regulating silicon controlled open angle on oscillating batch charger 2 infinitely can regulate feeding coal easily, ensureing even feeding.Particle is sent in conical hopper 3 by oscillating batch charger 2 uniformly, and conical hopper 3 can prevent particle from kicking down, thus ensures that particle can all enter in six points of steel pipes 5.When particles fall reaches uniform and stable state, close direct-acting electromagnetic valve solenoid valve A6 and direct-acting electromagnetic valve B7 simultaneously, the incident light that 1.7mm optical fiber probe A9 launches and the light be reflected back from particle, by connecting particle speed tester and computer, demonstrate the magnitude of voltage that now signal reflex obtains on computers.Open direct-acting electromagnetic valve B7, record direct-acting electromagnetic valve solenoid valve A6 and direct-acting electromagnetic valve B7 interval endocorpuscular weight, thus count particles concentration by particle collection container 4, concentration and the voltage corresponding relation of particle can be drawn through many experiments.The piston 18 that particle collection container 4 bottom is arranged is convenient to be rotated, can shutoff and release particles.Adopt direct-acting electromagnetic valve, himself structure is simple, and just connect computer, when needs open or close valve body, the response time of solenoid valve may be as little to several milliseconds, can realize the content of particle between rapid Controlling solenoid valve.
Embodiment 2, optimal design is carried out on the basis of embodiment 1, then sets up one group of caliberating device, and described caliberating device is made up of direct-acting electromagnetic valve C10, female branch tee joint B11 and 1.7mm optical fiber probe B12.Set up one group of caliberating device more, when particle continuous uniform enter particle collection container 4 time, instantaneous closedown direct-acting electromagnetic valve solenoid valve A6, direct-acting electromagnetic valve B7 and direct-acting electromagnetic valve C10, record reflected signal owing to using the identical optical fiber probe of diameter at differing heights and draw magnitude of voltage, observing gained magnitude of voltage has unchanged, draw best magnitude of voltage, then particle weight and the particle weight between direct-acting electromagnetic valve solenoid valve A6 and direct-acting electromagnetic valve C10 between direct-acting electromagnetic valve B7 and direct-acting electromagnetic valve C10 is recorded respectively by particle collection container 4, concentration value can be obtained as calculated, many experiments, show that two in the concentration of funtcional relationship and voltage curve.
Embodiment 3, optimal design is carried out on the basis of embodiment 1 or example 2, arrange one group of caliberating device between described direct-acting electromagnetic valve A6 and direct-acting electromagnetic valve C10, caliberating device is made up of direct-acting electromagnetic valve D13, female branch tee joint C14,4mm optical fiber probe 15.When particle continuous uniform enter cone shaped granule collection container 2 time, close direct-acting electromagnetic valve solenoid valve A6 instantaneously, direct-acting electromagnetic valve B7, direct-acting electromagnetic valve C10 and direct-acting electromagnetic valve D13, read the magnitude of voltage of corresponding display in the computer of different-diameter optical fiber probe position respectively, then particle weight between direct-acting electromagnetic valve B7 and direct-acting electromagnetic valve C10 is recorded respectively, record particle weight between direct-acting electromagnetic valve C10 and direct-acting electromagnetic valve D13, record the particle weight between direct-acting electromagnetic valve solenoid valve A6 and direct-acting electromagnetic valve D13, the concentration value of count particles successively, many experiments, show that three in the concentration of funtcional relationship and magnitude of voltage, the optical fiber probe of comparative analysis different-diameter differing heights is on the impact of demarcating.The functional relation that this group is tested is compared with embodiment 1 and embodiment 2, can obtain and the optical fiber probe of many group different-diameters be demarcated simultaneously, the error of only a group being demarcated can be reduced, draw better accurate concentration and voltage calibration function relation.
Embodiment 4, in embodiment 1 to example 3, optimal design is carried out on an arbitrary basis, described caliberating device bottom arranges insertion slot type granule distribution 16, can effectively reduce the impact of probe on particle flow homogeneity below.
Embodiment 5, on the basis of embodiment 1, the 3rd joint of internal threads three-way connection and the annexation of optical fiber probe are optimized design, in described caliberating device, the 3rd joint of female branch tee joint is connected with optical fiber probe and is sealed by rubber plug 17, the problem that the sealing that rubber plug 17 effectively solves is bad, prevent light from being entered in six points of steel pipes by finedraw, thus improve demarcation accuracy.
Embodiment 6, the basis of embodiment 1 is optimized design to the shape of particle collection container 4, and it is taper that described particle collection container 4 top is provided with scale bottom, can read the volume of particle intuitively, be convenient to release particles simultaneously.
Embodiment 7, the basis of embodiment 1 is optimized design to the inner structure of six points of steel pipes 5, uses graphite blacking in described six points of steel pipes 5, eliminates steel pipe inner wall reflection ray to the impact of measuring, improves the intensity of reflected signal.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. the novel caliberating device of granule density optical fiber probe, is characterized in that: comprise support (1), oscillating batch charger (2), conical hopper (3), caliberating device and particle collection container (4); Described support (1) is fixedly installed from top to bottom successively oscillating batch charger (2), conical hopper (3), caliberating device and particle collection container (4); Described conical hopper (3), caliberating device are connected by six points of steel pipes (5) with particle collection container (4); Described caliberating device is by direct-acting electromagnetic valve A(6), direct-acting electromagnetic valve B(7), female branch tee joint A(8) and 1.7mm optical fiber probe A(9) form; Described female branch tee joint A(8) be threaded with six points of steel pipes (5) respectively up and down, the 3rd joint and 1.7mm optical fiber probe A(9) be threaded; Described particle collection container (4) bottom arranges piston (18).
2. the novel caliberating device of a kind of granule density optical fiber probe according to claim 1, it is characterized in that: set up one group of caliberating device again, described caliberating device is by direct-acting electromagnetic valve C(10), female branch tee joint B(11) and 1.7mm optical fiber probe B(12) form.
3. the novel caliberating device of a kind of granule density optical fiber probe according to claim 1 and 2, it is characterized in that: described direct-acting electromagnetic valve A(6) and direct-acting electromagnetic valve C(10) between one group of caliberating device is set, caliberating device is by direct-acting electromagnetic valve D(13), female branch tee joint C(14), 4mm optical fiber probe (15) forms.
4. the novel caliberating device of a kind of granule density optical fiber probe according to claim 1 and 2, is characterized in that: described caliberating device bottom arranges insertion slot type granule distribution (16).
5. the novel caliberating device of a kind of granule density optical fiber probe according to claim 1, is characterized in that: in described caliberating device, the 3rd joint of female branch tee joint is connected with optical fiber probe and passes through rubber plug (17) and seals.
6. the novel caliberating device of a kind of granule density optical fiber probe according to claim 1, is characterized in that: it is taper that described particle collection container (4) top is provided with scale bottom.
7. the novel caliberating device of a kind of granule density optical fiber probe according to claim 1, is characterized in that: use graphite blacking in described six points of steel pipes (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520778657.0U CN205067258U (en) | 2015-10-09 | 2015-10-09 | Novel calibration device of particle concentration optical fiber probe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520778657.0U CN205067258U (en) | 2015-10-09 | 2015-10-09 | Novel calibration device of particle concentration optical fiber probe |
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| CN205067258U true CN205067258U (en) | 2016-03-02 |
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| CN201520778657.0U Expired - Fee Related CN205067258U (en) | 2015-10-09 | 2015-10-09 | Novel calibration device of particle concentration optical fiber probe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507915A (en) * | 2018-03-20 | 2018-09-07 | 重庆山楂树科技有限公司 | Dust concentration detection device |
| CN113029888A (en) * | 2021-03-31 | 2021-06-25 | 中国科学院过程工程研究所 | Device and method for calibrating particle concentration in gas-solid two-phase flow |
-
2015
- 2015-10-09 CN CN201520778657.0U patent/CN205067258U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507915A (en) * | 2018-03-20 | 2018-09-07 | 重庆山楂树科技有限公司 | Dust concentration detection device |
| CN108507915B (en) * | 2018-03-20 | 2020-06-16 | 重庆山楂树科技有限公司 | Dust concentration detection equipment |
| CN113029888A (en) * | 2021-03-31 | 2021-06-25 | 中国科学院过程工程研究所 | Device and method for calibrating particle concentration in gas-solid two-phase flow |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20191009 |