CN1811336A - Automatic measurement device and method for colloid layer of bitumite - Google Patents
Automatic measurement device and method for colloid layer of bitumite Download PDFInfo
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- CN1811336A CN1811336A CNA2006100383841A CN200610038384A CN1811336A CN 1811336 A CN1811336 A CN 1811336A CN A2006100383841 A CNA2006100383841 A CN A2006100383841A CN 200610038384 A CN200610038384 A CN 200610038384A CN 1811336 A CN1811336 A CN 1811336A
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Abstract
The present invention is automatic measurement device and method for colloid layer of bitumite, and belongs to the field of bitumite colloid layer measuring technology. The measuring system includes a computer, an I/O data card, an automatic heating and temperature controlling unit, a bitumite volume measuring unit, a probe driving mechanism and an automatic pressure measuring unit. The measurement method includes: measuring the temperature of bitumite over 250 deg.c with a thermocouple, measuring the volume change, measuring the colloid layer of bitumite with the probe driving mechanism via combining the last measurement and current bitumite state, calculating the upper and the lower surface layer positions of the colloid layer based on the pulse sequence number of the linear step motor, fitting the upper and the lower surface layer change curve by means of least-square method and obtaining the maximum thickness of the colloid layer. The method has measurement error lower than 0.5 mm.
Description
Technical field
The present invention relates to a kind of bituminous coal gelatinous layer measurement mechanism, the present invention relates to device and measuring method thereof that a kind of automatic realization bituminous coal gelatinous layer is measured more precisely, realize the high-precision automatic measuring of bituminous coal gelatinous layer.Belong to coal colloidal layer measurement mechanism technical field.
Background technology
Plastometer indices is an important indicator of bituminous coal ature of coal.It has reflected that coal generates the quantity of plastic mass in being subjected to thermal process, characterized the process of industrial coking approx.The gelatinous layer assay method is the industrial coke oven condition of simulation, under constant voltage (top adds press fit) coal sample is carried out one-sided heating, makes coal sample form a series of isothermal surfaces of successively decreasing from bottom to top, distributes successively by semicoke, plastic mass, coal sample.Mensuration by plastic mass can the coking situation of tentative prediction coal in coke oven and the quality condition of generation coke.
Estimating Sa Baoshinikefu and the Wa Xilieweiqi that the bituminous coal ature of coal is a USSR (Union of Soviet Socialist Republics) with plastometer indices proposed in 1932.By at experimental determination bituminous coal maximum thickness of plastic layer (Y value), final contraction value (X value), indexs such as assay determination process metabituminous coal volume curve shape, characteristic of coke and the anti-crushing ability of coke button are judged the coking property of bituminous coal.In existing GB5751-86 " Chinese Coal Classification ", maximum thickness of plastic layer (Y value) is an important indicator as evaluation bituminous coal coking property.
At present, the mensuration of maximum thickness of plastic layer (Y) value mainly judges to have subjectivity by people's experience (or sensation).In addition, the bituminous coal gelatinous layer automatic detection device that has obtained china national practical new-type patent (92230782.2) does not have practical application, reason is that this patent does not have to measure automatically according to the requirement of standard GB 479-87 bituminous coal plastometer indices assay method fully, and the drive motor of this utility model patent is a direct current generator, this kind motor also needs to mix corresponding displacement measurement sensor, such as pot etc., the displacement measurement precision is far below the test oneself precision of displacement of stepper motor, also have the pressure transducer of patent to be mounted on the outer ring of the miniature bearing that links together with leading screw, like this, when leading screw rotates, in order to guarantee that pressure transducer does not rotate, then pressure transducer is bound to be subjected to torsional interaction, can influence pressure measurement accuracy like this.
Summary of the invention
The objective of the invention is provides a kind of device that can realize bituminous coal gelatinous layer high-acruracy survey automatically according to standard GB 479-87 bituminous coal plastometer indices assay method.
Another object of the present invention is to provide a kind of method of utilizing above-mentioned device to measure automatically.
The present invention takes following technical scheme to realize:
Bituminous coal gelatinous layer self-operated measuring unit, comprise heating furnace, depression bar, counterweight, the coal sample cup, coal sample is pressed valve, probe, the measurement mechanism base, computing machine, thermopair, Elema, bidirectional triode thyristor, it is characterized in that computing machine links the then displacement transducer of measurement volumes by inputoutput data, the LOAD CELLS of gaging pressure, limit switch, thermopair, silicon-controlled voltage regulation module and linear stepping motor, adopt bolt between probe driving mechanism extension board and the probe driving mechanism mounting seat and have two oblong aperture of certain angle to fix, the probe driving mechanism base is fixed on the measurement mechanism base by three fixed bars that are triangle arrangement, two pairs of limit switches have been installed in probe driving mechanism, linear stepping motor is installed on the flute profile driving arm, the push-pull effort of linear stepping motor passes to the slide block of rolling guide-rail pairs by leading screw and screw mandrel fixed mount, probe is fixed on the slide block by the LOAD CELLS on the pressure transducer fixed mount, and probe inserts in the coal sample by the conduit that is installed on the conduit geometrical clamp.
Aforesaid bituminous coal gelatinous layer self-operated measuring unit is characterized in that pressure transducer adopts the beam type LOAD CELLS of 0～1kg.
A kind of method of utilizing aforesaid bituminous coal gelatinous layer self-operated measuring unit to measure automatically, its step is as follows:
(1) computing machine detects heated bituminous coal temperature by thermopair, control the coal sample temperature by the break-make of silicon-controlled voltage regulation module controls bidirectional triode thyristor again, after temperature reaches 250 degree, utilize the long-pending variation of displacement sensor smoke coal body that is installed on the depression bar;
(2) utilize difference algorithm to judge the coal sample volume change,, open linear stepping motor push-and-pull slide block, make its at the uniform velocity (150～260mm/ minute) rectilinear motion, probe is inserted and the dial-out coal sample simultaneously in conjunction with last time Measuring Time and coal sample present situation;
(3) computing machine is gathered the pressure of LOAD CELLS in real time by the I/O data card, determine position, the top layer up and down moment corresponding of bituminous coal gelatinous layer according to the variation of pressure, utilize these two moment to inquire the pulse sequence number that is used to drive linear stepping motor, determine the position, top layer up and down of bituminous coal gelatinous layer by calculating;
(4) utilize the least square fitting smoke coal colloidal layer change curve on top layer up and down, utilize comparison algorithm to draw the ultimate range on top layer up and down again, obtain the maximum ga(u)ge value of bituminous coal gelatinous layer.
Principle of work of the present invention is: the LOAD CELLS that probe is installed is fixed on the slide block of high-accuracy rolling guideway; like this; probe is not subjected to any torsional interaction; compare with patent (92230782.2) and to have improved measuring accuracy; in addition; linear stepping motor can be realized the high-acruracy survey of probe location; measuring accuracy reaches 0.0079mm; and patent (92230782.2) is the position measurement circuit measuring probe position of being furnished with by direct current generator; the former will be higher than the latter far away at measuring accuracy; also have; adopt bolt between probe driving mechanism extension board and the probe driving mechanism mounting seat and have two oblong aperture of certain angle to fix; thereby can adjust the probe driving mechanism position; probe location just; make in smooth insertion of probe alignment probe catheter and the dial-out matchmaker sample; avoided because the error that the resistance that probe and conduit and the friction of coal sample paper hole cause brings to pressure survey; also have; the probe driving mechanism base is fixed on the measurement mechanism base by three probe driving mechanism mounting seat fixed bars that are triangle arrangement of certain altitude; can avoid the heat transferred of heating furnace come to influence the too much measuring accuracy of LOAD CELLS like this; and three fixed bars are triangle arrangement and make that superincumbent probe driving mechanism is installed is more firm; also have; two pairs of limit switches have been installed in the probe driving mechanism promptly can have been protected linear stepping motor; also can play positioning action; also have; can realize that by probe catheter probe accurately inserts in the paper hole of coal sample in the coal cup; have again; detect heated bituminous coal temperature by thermopair; after temperature reaches 250 degree; utilization is installed in the long-pending variation of displacement sensor smoke coal body on the depression bar; utilize the curve shape evaluation algorithm to draw coal sample volume change situation then; simultaneously in conjunction with last time Measuring Time and coal sample present situation; unlatching is installed in the linear stepping motor on the flute profile driving arm; the expulsive force of linear stepping motor passes to the slide block of rolling guide-rail pairs by leading screw and screw mandrel fixed mount; the high rolling guide-rail pairs slide block of the little precision of resistance is (150～260mm/ minute) rectilinear motion downwards at the uniform velocity; be installed in probe on the pressure transducer fixed mount also in company with slide block rectilinear motion together by LOAD CELLS; probe just at the uniform velocity penetrates in the bituminous coal along the conduit that is installed on the conduit geometrical clamp; simultaneous computer is gathered the pressure of LOAD CELLS in real time by the I/O data card; because different coal samples; plastic mass has different surface naturies with semicolloid; pressure difference when then probe touches each surface; like this; determine position, the top layer up and down moment corresponding of bituminous coal gelatinous layer according to the variation of pressure; utilize these two moment to inquire the pulse sequence number that is used to drive linear stepping motor then; determine the position, top layer up and down of bituminous coal gelatinous layer by calculating; utilize least square fitting to go out the change curve of position, top layer up and down again; utilize comparison algorithm to draw the ultimate range on top layer up and down at last, just can obtain the maximum ga(u)ge value of bituminous coal gelatinous layer.
The beneficial effect of patent of the present invention is to have solved the not high and big problem of pressure measurement errors of the Displacement Measurement precision that exists in the prior art, realize measuring automatically in strict accordance with standard GB 479-87 metabituminous coal plastometer indices assay method in addition, this self-operated measuring unit is applicable to the various bituminous coal in the national standard, measuring error is lower than 0.5mm, is lower than the error that allows in the national measurement standard.
Description of drawings
Below in conjunction with drawings and Examples patent of the present invention is further specified
The front view of Fig. 1 bituminous coal gelatinous layer self-operated measuring unit structural drawing
The vertical view of Fig. 2 bituminous coal gelatinous layer self-operated measuring unit structural drawing.
Fig. 3 probe driving mechanism front view
Fig. 4 probe driving mechanism side view.
Fig. 5 probe driving mechanism extension board
Fig. 6 probe driving mechanism mounting seat.
Embodiment
Bituminous coal gelatinous layer self-operated measuring unit of the present invention shown in Fig. 1-6, wherein: 1. measurement mechanism base, 2. displacement transducer, 3. depression bar, 4. counterweight, 5. probe driving mechanism, 6. LOAD CELLS, 7. pressing plate strut, 8. probe, 9. the mounting seat of probe driving mechanism, the 10. mounting seat fixed bar of probe driving mechanism, 11. conduit geometrical clamps, 12 conduits, 13. coal cups, 14. heating furnaces, 15. coal sample pressing plate, 16. the depression bar strut, 17. coal samples, 18. thermopairs, 19. Elema, 20. leading screw, 21. linear stepping motors, 22. limit switches, 23. flute profile driving arm, 24. rolling guide, 25. linear stepping motor leading screw fixed mounts, 26. slide blocks, 27. the pressure transducer fixed mount, 28. probe driving mechanism extension boards.
Detect heated coal sample (17) temperature by thermopair (19), computing machine utilizes the break-make of silicon-controlled voltage regulation module controls bidirectional triode thyristor to realize temperature control, after temperature reaches 250 degree, utilization is installed in the variation that the displacement transducer (2) on the depression bar (3) is measured the coal sample volume, utilize the curve shape evaluation algorithm to draw coal sample volume change situation then, simultaneously in conjunction with last time Measuring Time and coal sample present situation, unlatching is installed in the linear stepping motor (21) on the flute profile driving arm (23), the expulsive force of linear stepping motor (21) passes to the slide block (26) of rolling guide-rail pairs by leading screw (20) and screw mandrel fixed mount (25), the high rolling guide-rail pairs slide block (26) of the little precision of resistance is (150～260mm/ minute) rectilinear motion downwards at the uniform velocity, the probe (8) that is installed in the LOAD CELLS (6) on the pressure transducer fixed mount (27) also in company with slide block (26) together along rolling guide (24) rectilinear motion, probe (8) just at the uniform velocity the conduit (12) on being installed on conduit geometrical clamp (11) penetrate the coal sample (17), simultaneous computer is gathered the pressure of LOAD CELLS (6) in real time by the I/O data card, because coal sample, plastic mass has different surface naturies with semicolloid, difference is stressed when then probe (8) touches each surface, like this, determine coal sample gelatinous layer position, top layer moment corresponding up and down according to the variation of pressure, then, utilize these two moment to inquire the pulse sequence number that is used to drive linear stepping motor (21), determine the position, top layer up and down of coal sample gelatinous layer by calculating pulse number, utilize least square fitting to go out the change curve of position, top layer up and down again, at last, utilize comparison algorithm to draw the ultimate range on top layer up and down, just obtained the maximum ga(u)ge value of coal sample gelatinous layer.By the various bituminous coal check experiments in the national standard, the measuring error of this bituminous coal gelatinous layer self-operated measuring unit is less than 0.5mm, and measuring accuracy is higher than the measuring accuracy of patent (92230782.2), less than the error (1～2mm) that allows in the national standard.
In addition to the implementation, all employings are equal to the technical scheme that form obtained of replacement or equivalent transformation, all drop within protection scope of the present invention.
Claims (3)
1. bituminous coal gelatinous layer self-operated measuring unit, comprise heating furnace, depression bar, counterweight, the coal sample cup, coal sample is pressed valve, probe, the measurement mechanism base, computing machine, thermopair, Elema, bidirectional triode thyristor, it is characterized in that computing machine links the then displacement transducer of measurement volumes by inputoutput data, the LOAD CELLS of gaging pressure, limit switch, thermopair, silicon-controlled voltage regulation module and linear stepping motor, adopt bolt between probe driving mechanism extension board and the probe driving mechanism mounting seat and have two oblong aperture of certain angle to fix, the probe driving mechanism base is fixed on the measurement mechanism base by three probe driving mechanism mounting seat fixed bars that are triangle arrangement, two pairs of limit switches have been installed in probe driving mechanism, linear stepping motor is installed on the flute profile driving arm, the push-pull effort of linear stepping motor passes to the slide block of rolling guide-rail pairs by leading screw and screw mandrel fixed mount, probe is fixed on the slide block by the LOAD CELLS on the pressure transducer fixed mount, and probe inserts in the coal sample by the conduit that is installed on the conduit geometrical clamp.
2. bituminous coal gelatinous layer self-operated measuring unit according to claim 1 is characterized in that pressure transducer adopts the beam type LOAD CELLS of 0～1kg.
3. method of utilizing the described bituminous coal gelatinous layer of claim 1 self-operated measuring unit to measure automatically, its step is as follows:
(1) computing machine detects heated bituminous coal temperature by thermopair, control the coal sample temperature by the break-make of silicon-controlled voltage regulation module controls bidirectional triode thyristor again, after temperature reaches 250 degree, utilize the long-pending variation of displacement sensor smoke coal body that is installed on the depression bar;
(2) utilize the curve shape evaluation algorithm to draw coal sample volume change situation,, open linear stepping motor push-and-pull slide block, make its at the uniform velocity (150～260mm/ minute) rectilinear motion, probe is inserted and the dial-out coal sample simultaneously in conjunction with last time Measuring Time and coal sample present situation;
(3) computing machine is gathered the pressure of LOAD CELLS in real time by the I/O data card, determine position, the top layer up and down moment corresponding of bituminous coal gelatinous layer according to the variation of pressure, utilize these two moment to inquire the pulse sequence number that is used to drive linear stepping motor, determine the position, top layer up and down of bituminous coal gelatinous layer by calculating pulse number;
(4) utilize the least square fitting smoke coal colloidal layer change curve of position, top layer up and down, comparison algorithm draws the ultimate range on top layer up and down again, obtains the maximum ga(u)ge value of bituminous coal gelatinous layer.
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| CNB2006100383841A CN100334427C (en) | 2006-02-20 | 2006-02-20 | Automatic measurement device and method for colloid layer of bitumite |
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| CNB2006100383841A CN100334427C (en) | 2006-02-20 | 2006-02-20 | Automatic measurement device and method for colloid layer of bitumite |
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Cited By (11)
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| CN102506687A (en) * | 2011-10-08 | 2012-06-20 | 陕西科技大学 | High-accuracy thickness gauge |
| CN101334396B (en) * | 2007-06-25 | 2012-10-03 | 中冶京诚工程技术有限公司 | Full-automatic coal colloidal layer index measuring apparatus |
| CN103017712A (en) * | 2012-12-02 | 2013-04-03 | 淮北重科矿山机器有限公司 | Online detection device of clear water layer thickness of concentration tank |
| CN103217136A (en) * | 2013-03-22 | 2013-07-24 | 东莞新能源科技有限公司 | Measurement device of thickness of battery |
| CN104819992A (en) * | 2015-05-05 | 2015-08-05 | 辽宁科技大学 | Detection method of pyrolysis-coking behavior of coal and apparatus therewith |
| CN107515171A (en) * | 2017-09-28 | 2017-12-26 | 公安部四川消防研究所 | A kind of device and its characterizing method characterized for polymeric material burning molten drop behavior |
| CN108398022A (en) * | 2018-03-12 | 2018-08-14 | 辽宁科技大学 | For small-scale production coke and the Experiment Coke Oven and application method of gelatinous layer sample |
| CN109444373A (en) * | 2018-10-30 | 2019-03-08 | 辽宁科技大学 | A kind of detection method and device of carbonizing coking coal behavior relevance |
| CN113092333A (en) * | 2021-03-10 | 2021-07-09 | 苏州工业园区蒙纳士科学技术研究院 | Coal coking process experimental method for measuring permeability of colloidal layer in real time |
| CN113376205A (en) * | 2021-05-18 | 2021-09-10 | 鞍钢集团北京研究院有限公司 | Coal sample coking rate measuring device and method |
| CN114870737A (en) * | 2022-05-18 | 2022-08-09 | 深圳市中成环境科技有限公司 | Method for extracting medicament by metering any volume |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1315303A (en) * | 1969-06-13 | 1973-05-02 | Atomic Energy Authority Uk | Carbon content analysis |
| CN2144293Y (en) * | 1992-08-20 | 1993-10-20 | 马鞍山钢铁公司 | Automatic detector for gum layer of soft coal |
| JP2002148035A (en) * | 2000-11-09 | 2002-05-22 | Matsushita Electric Ind Co Ltd | Online film thickness measuring method and device thereof |
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2006
- 2006-02-20 CN CNB2006100383841A patent/CN100334427C/en not_active Expired - Fee Related
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| CN101334396B (en) * | 2007-06-25 | 2012-10-03 | 中冶京诚工程技术有限公司 | Full-automatic coal colloidal layer index measuring apparatus |
| CN102506687A (en) * | 2011-10-08 | 2012-06-20 | 陕西科技大学 | High-accuracy thickness gauge |
| CN103017712A (en) * | 2012-12-02 | 2013-04-03 | 淮北重科矿山机器有限公司 | Online detection device of clear water layer thickness of concentration tank |
| CN103217136A (en) * | 2013-03-22 | 2013-07-24 | 东莞新能源科技有限公司 | Measurement device of thickness of battery |
| CN104819992A (en) * | 2015-05-05 | 2015-08-05 | 辽宁科技大学 | Detection method of pyrolysis-coking behavior of coal and apparatus therewith |
| CN104819992B (en) * | 2015-05-05 | 2017-05-31 | 辽宁科技大学 | The detection method and its device of a kind of pyrolysis coking behavior of coal |
| CN107515171A (en) * | 2017-09-28 | 2017-12-26 | 公安部四川消防研究所 | A kind of device and its characterizing method characterized for polymeric material burning molten drop behavior |
| CN108398022A (en) * | 2018-03-12 | 2018-08-14 | 辽宁科技大学 | For small-scale production coke and the Experiment Coke Oven and application method of gelatinous layer sample |
| CN109444373A (en) * | 2018-10-30 | 2019-03-08 | 辽宁科技大学 | A kind of detection method and device of carbonizing coking coal behavior relevance |
| CN109444373B (en) * | 2018-10-30 | 2021-07-13 | 辽宁科技大学 | Method and device for detecting coking coal carbonization behavior relevance |
| CN113092333A (en) * | 2021-03-10 | 2021-07-09 | 苏州工业园区蒙纳士科学技术研究院 | Coal coking process experimental method for measuring permeability of colloidal layer in real time |
| CN113376205A (en) * | 2021-05-18 | 2021-09-10 | 鞍钢集团北京研究院有限公司 | Coal sample coking rate measuring device and method |
| CN113376205B (en) * | 2021-05-18 | 2023-01-20 | 鞍钢集团北京研究院有限公司 | Coal sample coking rate measuring device and method |
| CN114870737A (en) * | 2022-05-18 | 2022-08-09 | 深圳市中成环境科技有限公司 | Method for extracting medicament by metering any volume |
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| CN100334427C (en) | 2007-08-29 |
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Granted publication date: 20070829 |