CN101639373B - Method and device for measuring circulating flow rate of material of circulating fluidized bed - Google Patents
Method and device for measuring circulating flow rate of material of circulating fluidized bed Download PDFInfo
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- CN101639373B CN101639373B CN200810117401XA CN200810117401A CN101639373B CN 101639373 B CN101639373 B CN 101639373B CN 200810117401X A CN200810117401X A CN 200810117401XA CN 200810117401 A CN200810117401 A CN 200810117401A CN 101639373 B CN101639373 B CN 101639373B
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Abstract
The invention discloses a method and a device for measuring the circulating flow rate of a material of a circulating fluidized bed, which relates to fluidized bed technology. The method conveniently, quickly and accurately measures the circulating flow rate of the material of the circulating fluidized bed, remarkably reduces personal error, and improves the accuracy of the measurement of the circulating flow rate of the material. The device adopts components such as a flap valve, a timer gang switch, a timer, a material metering section, a dish valve, a buffer tank and the like which are all conventional components, has extremely low cost, is easy to popularize and use on occasions of the measurement of circulating flow rate and corresponding occasions, and can also be used for other occasions where the measurement of material flow allows to be shut down in short time.
Description
Technical field
The present invention relates to the fluidization field, is a kind of measuring circulating flow rate of material of circulating fluidized bed method and apparatus, particularly interlock clocking method wherein.
Background technology
For recirculating fluidized bed, circulation flow-rate is an important indicator that characterizes solid flow state in the bed, conventional measuring method has direct observational method (observing the gliding speed of wall in the particle standpipe), dish valve mensuration (standpipe is installed the dish valve, closes the ascending velocity that the dish valve reads material on the dish valve), flap valve method (material that standpipe is fallen switches to other branch road and weighs).Therefore, the measuring method of existing circulation flow-rate is all in close relations with the measurement of time, there is certain subjective factor simultaneously, when particularly internal circulating load is big, the corresponding time shortens, the error of time measurement is just fairly obvious to the influence of measurement result, and manually timing always has more human factor usually, influences the accuracy of measurement result.
Summary of the invention
The objective of the invention is to provide a kind of measuring circulating flow rate of material of circulating fluidized bed method and apparatus, by adopting flap valve, linked switch, timer, the material metering section, the dish valve, the measurement mechanism that parts such as surge tank are formed, overcome the shortcoming of above-mentioned existing measuring method, conveniently, in real time, accurately measure the material circulation flow-rate.
For achieving the above object, technical solution of the present invention is:
A kind of measuring circulating flow rate of material of circulating fluidized bed method, it comprises following step:
Step 1: the material separated from cyclone separator falls continuously by flap valve, vertically falls into surge tank through vertical tube;
Step 2: material metering pars infrasegmentalis dish valve cuts out, and when the turnover panel of flap valve was opened, the vertical drop passage of vertical tube was closed thereupon, and material imports the material metering section of take-off pipe through turnover panel;
Step 3: in the moment that turnover panel is opened, handle and connecting rod release timer linked switch button, the linked switch closure, timer begins time synchronisation;
Step 4: solid accumulation to 2/3 height in the material metering section, close turnover panel, handle and connecting rod compressing linked switch button disconnects synchronously, and timer stops timing synchronously;
Step 5: read the metering section controlling level, the timer time, according to the relation of height of materials and quality of material in the metering section of demarcating, the area of circulation fluidized bed is calculated circulation flow-rate;
Step 6: open the dish valve, allow the interior material of material metering section fall into surge tank, the timer zero clearing is prepared next time and is measured.
The measuring circulating flow rate of material of circulating fluidized bed device that a kind of described method is used comprises flap valve, linked switch, timer, surge tank; It is provided with a flap valve between cyclone separator and surge tank, the flap valve upper opening is connected with the outlet of separation vessel awl section, and lower openings is communicated with the surge tank connecting pipe, and the surge tank outlet is connected in material returning device top standpipe;
Flap valve is a combiner, comprises vertical tube, take-off pipe and turnover panel; Wherein, vertical tube and take-off pipe top are measure-alike tube bundle with square section, its cross section inside dimension is with tangent being as the criterion of circle in the pipe of four limits and the outlet of top cyclone separator awl section, the height of vertical tube guarantees that inner turnover panel has enough rotation spaces, the upper end of vertical tube is connected with the outlet of separation vessel awl section, and the lower end is connected with the surge tank connecting pipe with flange;
Take-off pipe top is connected with the vertical tube upper side is oblique, and its angle is 30 °～40 °;
Turnover panel is the rectangular flat with rotation axis, the length of side is adaptive in the width of turnover panel and the vertical tube, the length of turnover panel slanted channel angle with take-off pipe when turnover panel is opened is identical, there is a rotation axis turnover panel lower end, the rotation axis level is installed in the axle sleeve of take-off pipe and vertical tube junction lower edge, rotation axis one end has axle envelope, end cap seal, and the other end is stretched out by the axle envelope and is connected in handle and connecting rod, drives turnover panel in the valve moving axis that rotates and rotate when the outer handle connecting rod is stirred;
Linked switch is the normally closed contact switch, is fixed on the vertical tube outer wall, and linked switch is connected with timer by line, and the position of its button is for touching with the detachable pressure of connecting rod;
The take-off pipe lower end is connected with material metering section upper end with flange, and the material metering section is the pipe of oolemma scale, and material metering section lower end connects the dish valve with flange, and dish valve lower end is connected with the surge tank end face with flange.
Described measurement mechanism, the height of its described metering section guarantee under the largest loop amount condition, 5 second material piling height be no more than the height of material metering section; The diameter of metering section is identical with main system standpipe diameter; The latus rectum of dish valve is consistent with material metering section diameter.
Described measurement mechanism, the button position of its described linked switch are that connecting rod disconnects for pressed state makes switch it when flap valve cuts out, thereby make timer stop timing for touching with the detachable pressure of connecting rod; And stir when turnover panel is opened linked switch closure, the timing of triggering timing device fast when the turnover panel connecting rod.
Described measurement mechanism, its described surge tank is a tapered cylinder, when measuring circulating flow rate of material, makes the material level of system's standpipe relatively stable, operation to system does not exert an influence, and its diameter should satisfy vertical tube and the material metering section has suitable space to enter from top.
Described measurement mechanism, its described vertical tube, take-off pipe, turnover panel adopt plain carbon steel; Timer is an electric timer; The dish valve is a rubber lining dish valve.
Measuring method of the present invention is that this method is convenient, fast and accurate to be measured the Circulating Fluidized Bed circulation flow-rate, has significantly reduced personal error with the device advantage; This device is owing to the conventional components that adopts, and expense is extremely low, is easy to promote the use of in the measurement and the corresponding occasion of circulation flow-rate.
Description of drawings
Fig. 1 is a measuring circulating flow rate of material of circulating fluidized bed method and apparatus synoptic diagram of the present invention.
Embodiment
As shown in Figure 1, be measuring circulating flow rate of material of circulating fluidized bed apparatus structure of the present invention, wherein, flap valve 1, timer linked switch 2, timer 3, material metering section 4, dish valve 5, surge tank 6, material returning device top standpipe 7, separation vessel awl section outlet 8, surge tank connecting pipe 9, timer linked switch and timer line 10, flap valve vertical tube 11, flap valve take-off pipe 12, turnover panel 13, handle and connecting rod 14.
The measuring circulating flow rate of material of circulating fluidized bed device comprises flap valve 1, timer linked switch 2, timer 3, material metering section 4, dish valve 5, surge tank 6 parts such as grade.One flap valve 1 is set between cyclone separator and surge tank 6, and flap valve 1 upper opening is connected with separation vessel awl section outlet 8, and lower openings is communicated with surge tank connecting pipe 9.
Flap valve 1 is a combiner, is made up of vertical tube 11, take-off pipe 12, turnover panel 13 and handle and connecting rod 14 etc.Its vertical tube 11 and take-off pipe 12 tops are measure-alike tube bundle with square section, tangent being as the criterion of cyclone separator awl section outlet 8 circles that its sectional dimension is connected with the top with four limits, the width of vertical tube 11 guarantees that inner turnover panel 13 has enough rotation spaces, and the lower end of vertical tube 11 is connected with surge tank connecting pipe 9 with flange.
Take-off pipe 12 tops and oblique connection of vertical tube 11 upper side, its angle are 30 °～40 °.
Turnover panel 13 is for having the rectangular flat of rotation axis, the width of turnover panel 13 is consistent with the length of side in the vertical tube 11, the length of turnover panel 13 guarantees when turnover panel 13 is opened consistent with the slanted channel angle of take-off pipe 12, there is a rotation axis turnover panel 13 lower ends, the rotation axis level is installed in the axle sleeve of take-off pipe 12 and vertical tube 11 junction lower edges, rotation axis one end has axle envelope, end cap seal, the other end is stretched out by axle envelope and is connected in handle and connecting rod 14, drives turnover panel 13 in the valve moving axis that rotates and rotate when outer handle connecting rod 14 is stirred.
Take-off pipe 12 lower ends are connected with material metering section 4 upper ends with flange.Material metering section 4 is the pipe of oolemma scale, and the diameter of pipe is identical with main system standpipe diameter, and material metering section 4 lower ends connect dish valve 5 with flange.The latus rectum of dish valve 5 is consistent with material metering section 4 diameters, and dish valve 5 lower ends are connected with surge tank 6 end faces with flange.
The height of material metering section 4 will guarantee under the largest loop amount condition, 5 second material piling height be no more than the height of material metering section 4.
Linked switch 2 is the normally closed contact switch, be fixed on vertical tube 11 outer walls, linked switch 2 is connected with timer 3 by line 10, the position of its button is for touching with the detachable pressure of connecting rod 14, connecting rod 14 disconnected for pressed state makes switch it when assurance turnover panel 13 was closed, thereby made timer 3 stop timing; And stir when turnover panel 13 is opened linked switch 2 closures, 3 timing of triggering timing device fast when turnover panel connecting rod 14.
Timer 3 by with being connected of linked switch 2, realize the function of interlock timing by linked switch 2.
Surge tank 6 is a tapered cylinder, in the time of can guaranteeing measuring circulating flow rate of material, the material level of system's standpipe is relatively stable, operation to system does not exert an influence, its size is flexible, diameter will guarantee that vertical tube 11 and material metering section 4 have suitable space to advance to get final product from top, and surge tank 6 outlets are connected in material returning device top standpipe 7.
The measuring method of measuring circulating flow rate of material of circulating fluidized bed device of the present invention is as follows:
Step 1: the material separated from cyclone separator falls continuously by flap valve 1, vertically falls into surge tank 6 through vertical tube 11;
Step 2: material metering section 4 bottom dish valves 5 cut out, and when the turnover panel 13 of flap valve 1 was opened, the vertical drop passage of vertical tube 11 was closed thereupon, and material imports the material metering section 4 of take-off pipe 12 through turnover panel 13;
Step 3: in the moment that turnover panel 13 is opened, handle and connecting rod 14 release timer linked switch buttons, linked switch 2 closures, timer 3 beginning time synchronisations;
Step 4: solid accumulation to 2/3 height in material metering section 4, close turnover panel 13, handle and connecting rod 14 compressing linked switch buttons disconnect synchronously, and timer 3 stops timing synchronously;
Step 5: read metering section 4 controlling levels, 3 times of timer, according to the relation of height of materials and quality of material in the metering section of demarcating, the area of circulation fluidized bed is calculated circulation flow-rate;
Step 6: open dish valve 5, allow material metering section 4 interior materials fall into surge tank 6, timer 3 zero clearings are prepared next time and are measured.
The present invention is owing to the conventional components that adopts, and expense is extremely low, is easy to promote the use of in the measurement and the corresponding occasion of circulation flow-rate.
Claims (4)
1. a measuring circulating flow rate of material of circulating fluidized bed method is characterized in that, comprises following step:
Step 1: the material separated from cyclone separator falls continuously by flap valve, vertically falls into surge tank through vertical tube;
Step 2: material metering pars infrasegmentalis dish valve cuts out, and when the turnover panel of flap valve was opened, the vertical drop passage of vertical tube was closed thereupon, and material imports the material metering section of take-off pipe through turnover panel;
Step 3: in the moment that turnover panel is opened, handle and connecting rod release timer linked switch button, the linked switch closure, timer begins time synchronisation;
Step 4: solid accumulation to 2/3 height in the material metering section, close turnover panel, handle and connecting rod compressing linked switch button disconnects synchronously, and timer stops timing synchronously;
Step 5: read the metering section controlling level, the timer time, according to the relation of height of materials and quality of material in the metering section of demarcating, the area of circulation fluidized bed is calculated circulation flow-rate;
Step 6: open the dish valve, allow the interior material of material metering section fall into surge tank, the timer zero clearing is prepared next time and is measured.
2. the measuring circulating flow rate of material of circulating fluidized bed device that method according to claim 1 is used comprises flap valve, linked switch, timer, surge tank; It is characterized in that, a flap valve is set between cyclone separator and surge tank, the flap valve upper opening is connected with the outlet of separation vessel awl section, and lower openings is communicated with the surge tank connecting pipe, and the surge tank outlet is connected in material returning device top standpipe;
Flap valve is a combiner, comprises vertical tube, take-off pipe and turnover panel; Wherein, vertical tube and take-off pipe top are measure-alike tube bundle with square section, its cross section inside dimension is with tangent being as the criterion of circle in the pipe of four limits and the outlet of top cyclone separator awl section, the height of vertical tube guarantees that inner turnover panel has enough rotation spaces, the upper end of vertical tube is connected with the outlet of separation vessel awl section, and the lower end is connected with the surge tank connecting pipe with flange;
Take-off pipe top is connected with the vertical tube upper side is oblique, and its angle is 30 °～40 °;
Turnover panel is the rectangular flat with rotation axis, the length of side is adaptive in the width of turnover panel and the vertical tube, the length of turnover panel slanted channel angle with take-off pipe when turnover panel is opened is identical, there is a rotation axis turnover panel lower end, the rotation axis level is installed in the axle sleeve of take-off pipe and vertical tube junction lower edge, rotation axis one end has axle envelope, end cap seal, and the other end is stretched out by the axle envelope and is connected in handle and connecting rod, drives turnover panel in the valve moving axis that rotates and rotate when handle and connecting rod is stirred;
Linked switch is the normally closed contact switch, is fixed on the vertical tube outer wall, and linked switch is connected with timer by line, and the position of its button is for touching with the detachable pressure of handle and connecting rod;
The take-off pipe lower end is connected with material metering section upper end with flange, and the material metering section is the pipe of oolemma scale, and material metering section lower end connects the dish valve with flange, and dish valve lower end is connected with the surge tank end face with flange.
3. measurement mechanism as claimed in claim 2 is characterized in that, the button position of described linked switch is that handle and connecting rod disconnects for pressed state makes switch it when flap valve cuts out, thereby makes timer stop timing for touching with the detachable pressure of handle and connecting rod; And stir when turnover panel is opened linked switch closure, the timing of triggering timing device fast when handle and connecting rod.
4. measurement mechanism according to claim 2 is characterized in that, described vertical tube, take-off pipe, turnover panel adopt plain carbon steel; Timer is an electric timer; The dish valve is a rubber lining dish valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200810117401XA CN101639373B (en) | 2008-07-30 | 2008-07-30 | Method and device for measuring circulating flow rate of material of circulating fluidized bed |
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| CN200810117401XA CN101639373B (en) | 2008-07-30 | 2008-07-30 | Method and device for measuring circulating flow rate of material of circulating fluidized bed |
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| CN101639373A CN101639373A (en) | 2010-02-03 |
| CN101639373B true CN101639373B (en) | 2011-02-02 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759382B (en) * | 2011-04-25 | 2014-08-20 | 中国科学院工程热物理研究所 | Device and method for measuring solid circulation flow rate |
| WO2013097053A1 (en) * | 2011-12-29 | 2013-07-04 | 中国科学院过程工程研究所 | Method and system for measuring solids flux in circulating fluidized bed |
| CN102519528B (en) * | 2011-12-29 | 2014-02-26 | 中国科学院过程工程研究所 | Solid flow measurement method and system of recirculating fluidized bed |
| CN104236656A (en) * | 2014-09-01 | 2014-12-24 | 中国石油大学(北京) | Pressure pulse standard deviation method for measuring mass flow rate of solid particle in circulating fluidized bed lifting pipe |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1831494A (en) * | 2006-02-24 | 2006-09-13 | 中国石油化工股份有限公司 | Detection method for reactor of fluid-bed |
| CN100575783C (en) * | 2005-01-11 | 2009-12-30 | 石川岛播磨重工业株式会社 | The flow media internal circulating load measuring method and the device of circular flow burning device |
-
2008
- 2008-07-30 CN CN200810117401XA patent/CN101639373B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100575783C (en) * | 2005-01-11 | 2009-12-30 | 石川岛播磨重工业株式会社 | The flow media internal circulating load measuring method and the device of circular flow burning device |
| CN1831494A (en) * | 2006-02-24 | 2006-09-13 | 中国石油化工股份有限公司 | Detection method for reactor of fluid-bed |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2002-202232A 2002.07.19 |
| 刘景源等.循环流化床物料循环流率的测量.《化工冶金》.1995,第16卷(第3期),257-262. * |
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