CN105806446A - Combined level measuring device - Google Patents
Combined level measuring device Download PDFInfo
- Publication number
- CN105806446A CN105806446A CN201610282408.1A CN201610282408A CN105806446A CN 105806446 A CN105806446 A CN 105806446A CN 201610282408 A CN201610282408 A CN 201610282408A CN 105806446 A CN105806446 A CN 105806446A
- Authority
- CN
- China
- Prior art keywords
- flange
- limestone powder
- powder bin
- tuning
- feeding pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
Abstract
The invention discloses a combined level measuring device. The combined level measuring device comprises a radar level gauge and two tuning fork level switches. The radar level gauge is vertically inserted into the middle of a limestone powder bin from the top of the limestone powder bin. The two tuning fork level switches are inserted into the right sidewall of the limestone powder bin and arranged oppositely in parallel. The combined level measuring device has the advantages that by means of the combined form of the radar level gauge and the two tuning fork level switches, ceaseless monitoring of the level can be ensured, and once any measuring instrument breaks down, the other measuring instruments can continue to monitor the level. Meanwhile, after early warning through the tuning fork level switches, the level can be monitored in real time through the radar level gauge, and then the specific value of the level is obtained.
Description
Technical field
The present invention relates to technical field of desulfurization, in particular to a kind of knockdown apparatus for measuring charge level.
Background technology
In sulfur removal technology, wet desulfurization of flue gas by limestone-gypsum method is prevailing technology.In wet desulfurization of flue gas by limestone-gypsum method technique, the lime stone slurry in limestone slurry liquid preparing system adds absorption tower by slurry supply pump, by the gypsum slurries discharged in absorption tower by transport pump to dewatering system, carries out dehydration and generates Gypsum Fibrosum.The operation of whole desulphurization system, control are played vital effect by the material level parameter of limestone, it is therefore necessary to the material level of limestone powder bin is measured.But existing measurement apparatus easily by the impact of material properties, unstable properties, measures inaccuracy.
Summary of the invention
For solving the problems referred to above, it is an object of the invention to provide a kind of knockdown apparatus for measuring charge level, it is ensured that the accuracy of measurement and persistence, performance is more stable.
The invention provides a kind of knockdown apparatus for measuring charge level, including:
Radar level gauge, it includes gauge outfit, extension tube and radar probe, one end of described gauge outfit and described extension tube connects, described gauge outfit and described extension tube are respectively positioned on the center position above limestone powder bin, one end of described gauge outfit is fixed with flange, the top of described limestone powder bin is fixed with the first welded flange, described gauge outfit is fixed on the outer wall at described limestone powder bin top by described first flange and described first welded flange, the other end of described radar probe and described extension tube connects, described radar probe is inserted perpendicularly in described limestone powder bin and is positioned on described limestone powder bin material level；
First feeding pipeline, its entrance is arranged relative to the sidewall slope of described limestone powder bin, and with described limestone powder bin angled A in the horizontal direction, the outlet of described first feeding pipeline is fixed with the second welded flange；
First tuning-fork type level switch, it is arranged on described first feeding pipeline and fixes with described first feeding pipeline and is connected, the tuning fork of described first tuning-fork type level switch stretches into described first feeding pipeline, the axis of described first tuning-fork type level switch and the dead in line of described first feeding pipeline, described first tuning-fork type level switch is fixed with the second flange, described second flange and the fixing connection of described second welded flange, the distance between described second flange and the sidewall of described limestone powder bin is L1；
Second feeding pipeline, its entrance is arranged relative to the sidewall slope of described limestone powder bin, and with described limestone powder bin angled B in the horizontal direction, the outlet of described second feeding pipeline is fixed with the 3rd welded flange；
Second tuning-fork type level switch, it is arranged on described second feeding pipeline and fixes with described second feeding pipeline and is connected, the tuning fork of described second tuning-fork type level switch stretches into described second feeding pipeline, the axis of described second tuning-fork type level switch and the dead in line of described second feeding pipeline, described second tuning-fork type level switch is fixed with three-flange, described three-flange and the fixing connection of described 3rd welded flange, the distance between described three-flange and the sidewall of described limestone powder bin is L2；
Wherein, described angle A and described angle B are equal, and described distance L1 and described distance L2 is equal
Further improving as the present invention, described angle A is 15 °, and described angle B is 15 °.
Further improving as the present invention, described L1 is 100mm, and described L2 is 100mm.
Further improving as the present invention, described first flange and described first welded flange are bolted to connection.
Further improving as the present invention, described second flange and described second welded flange are bolted to connection.
Further improving as the present invention, described three-flange and described 3rd welded flange are bolted to connection.
Further improve as the present invention, between described first flange and described first welded flange, be provided with flange gasket.
Further improve as the present invention, between described second flange and described second welded flange, be provided with flange gasket.
Further improve as the present invention, between described three-flange and described 3rd welded flange, be provided with flange gasket.
Further improving as the present invention, also include heat-insulation layer, described heat-insulation layer is positioned on the outer wall of described limestone powder bin.
The invention have the benefit that
1, this measurement apparatus long service life, stable performance, safe and reliable；
2, being obliquely installed of feeding pipeline, effectively reduces agstone wall built-up so that measured value is more accurate；
3, unreliable, the weakness that detection real-time is not strong well solving that existing anthropic factor causes, has better ensured the stable operation of desulphurization system；
4, by the combining form of radar level gauge and two tuning-fork type level switchs, it is ensured that the monitoring of material level is uninterrupted, breaking down once wherein any one measurement instrument, other measurement instrument may continue to material level is monitored.Meanwhile, by after the early warning of tuning-fork type level switch, moreover it is possible in real time material level is monitored by radar level gauge, the occurrence of material level is obtained.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of knockdown apparatus for measuring charge level described in the embodiment of the present invention.
In figure,
1, limestone powder bin；2, gauge outfit；3, flange gasket；4, bolt；51, the first welded flange；52, the second welded flange；53, the 3rd welded flange；6, heat-insulation layer；7, extension tube；8, radar probe；91, the first tuning-fork type level switch；92, the second tuning-fork type level switch；101, the first flange；102, the second flange；103, three-flange.
Detailed description of the invention
Below by specific embodiment and in conjunction with accompanying drawing, the present invention is described in further detail.
As it is shown in figure 1, a kind of knockdown apparatus for measuring charge level includes the tuning-fork type level switch of a radar level gauge and two opposing parallel settings.Radar level gauge inserts in the middle part of limestone powder bin from the plan vertical of limestone powder bin, and two tuning-fork type level switchs insert the sidepiece of limestone powder bin.
Radar level gauge includes gauge outfit 2, extension tube 7 and radar probe 8, one end of gauge outfit 2 and extension tube 7 connects, gauge outfit 2 and extension tube 7 are respectively positioned on the center position above limestone powder bin 1, one end of gauge outfit 2 is fixed with flange 101, the top of limestone powder bin 1 is fixed with the first welded flange 51, gauge outfit 2 is fixed on the outer wall at limestone powder bin 1 top by the first flange 101 and the first welded flange 51, first flange 101 and the first welded flange 51 connect by bolt 4 is fixing, it is provided with flange gasket 3 between first flange 101 and the first welded flange 51, the other end of radar probe 8 and extension tube 7 connects, radar probe 8 is inserted perpendicularly in limestone powder bin 1 and is positioned on limestone powder bin 1 material level.In order to realize measuring accurately, the length of extension tube 7 is 90mm～215mm, and the length of radar probe 8 is 280mm.
The entrance of the first feeding pipeline is arranged relative to the sidewall slope of limestone powder bin 1, and with limestone powder bin 1 in the horizontal direction in 15 °, the outlet of the first feeding pipeline is fixed with the second welded flange 52.First tuning-fork type level switch 91 is arranged on the first feeding pipeline and fixes with the first feeding pipeline and is connected, the tuning fork of the first tuning-fork type level switch 91 stretches into the first feeding pipeline, the axis of the first tuning-fork type level switch 91 and the dead in line of the first feeding pipeline, first tuning-fork type level switch 91 is fixed with the second flange 102, second flange 102 and the second welded flange 52 connect by bolt 4 is fixing, being provided with flange gasket 3 between second flange 102 and the second welded flange 52, the distance between the second flange 102 and the sidewall of limestone powder bin 1 is 100mm.
The entrance of the second feeding pipeline is arranged relative to the sidewall slope of limestone powder bin 1, and with limestone powder bin 1 in the horizontal direction in 15 °, the outlet of the second feeding pipeline is fixed with the 3rd welded flange 53.Second tuning-fork type level switch 92, it is arranged on the second feeding pipeline and fixes with the second feeding pipeline and is connected, the tuning fork of the second tuning-fork type level switch 92 stretches into the second feeding pipeline, the axis of the second tuning-fork type level switch 92 and the dead in line of the second feeding pipeline, second tuning-fork type level switch 92 is fixed with three-flange 103, three-flange 103 and the 3rd welded flange 53 connect by bolt 4 is fixing, being provided with flange gasket 3 between three-flange 103 and the 3rd welded flange 53, the distance between the sidewall of three-flange 103 and limestone powder bin 1 is 100mm.
Further, also including heat-insulation layer 6, heat-insulation layer 6 is positioned on the outer wall of limestone powder bin 1.
Radar level gauge is for monitoring in real time the material level of limestone powder bin 1, and the ultimate principle of work is to launch-reflection-reception.The antenna of radar level gauge launches electromagnetic wave with the form of wave beam, and these electromagnetic waves are received by the antenna after being reflected by agstone again.
The relational expression that radar level gauge measures agstone material level is as follows:
H=H vt/2
In formula, h is material level；H is the height of limestone powder bin 1；V is radar wave speed；T is the interval time that radar electromagnetic wave is transmitted into reception.
When the tuning fork of tuning-fork type level switch contacts with agstone, the frequency of tuning fork and amplitude will change, these changes of tuning-fork type level switch are undertaken detecting by built-in smart circuit, process, are converted to a switching signal, are ultimately converted to the material level information of agstone.Second tuning-fork type level switch 92 is used for low material level (namely material level is less than or equal to the 1/3 of limestone powder bin height) is carried out early warning, and once detect that material level is less than or equal to the 1/3 of limestone powder bin height, the second tuning-fork type level switch 92 is reported to the police.First tuning-fork type level switch 91 is used for high charge level (namely material level is be more than or equal to the 2/3 of limestone powder bin height) is carried out early warning, once detect that material level is be more than or equal to the 2/3 of limestone powder bin height, the first tuning-fork type level switch 91 is reported to the police.
Combining form by radar level gauge and two tuning-fork type level switchs, it is ensured that the monitoring of material level is uninterrupted, breaks down once wherein any one measurement instrument, and other measurement instrument may continue to material level is monitored.Meanwhile, by after the early warning of tuning-fork type level switch, moreover it is possible in real time material level is monitored by radar level gauge, the occurrence of material level is obtained.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. a knockdown apparatus for measuring charge level, it is characterised in that including:
Radar level gauge, it includes gauge outfit (2), extension tube (7) and radar probe (8), one end of described gauge outfit (2) and described extension tube (7) connects, described gauge outfit (2) and described extension tube (7) are respectively positioned on the center position of limestone powder bin (1) top, one end of described gauge outfit (2) is fixed with flange (101), the top of described limestone powder bin (1) is fixed with the first welded flange (51), described gauge outfit (2) is fixed on the outer wall at described limestone powder bin (1) top by described first flange (101) and described first welded flange (51), the other end of described radar probe (8) and described extension tube (7) connects, described radar probe (8) is inserted perpendicularly in described limestone powder bin (1) and is positioned on described limestone powder bin (1) material level；
First feeding pipeline, its entrance is arranged relative to the sidewall slope of described limestone powder bin (1), and with described limestone powder bin (1) angled A in the horizontal direction, the outlet of described first feeding pipeline is fixed with the second welded flange (52)；
First tuning-fork type level switch (91), it is arranged on described first feeding pipeline and fixes with described first feeding pipeline and is connected, the tuning fork of described first tuning-fork type level switch (91) stretches into described first feeding pipeline, the axis of described first tuning-fork type level switch (91) and the dead in line of described first feeding pipeline, described first tuning-fork type level switch (91) is fixed with the second flange (102), described second flange (102) and the fixing connection of described second welded flange (52), distance between the sidewall of described second flange (102) and described limestone powder bin (1) is L1；
Second feeding pipeline, its entrance is arranged relative to the sidewall slope of described limestone powder bin (1), and with described limestone powder bin (1) angled B in the horizontal direction, the outlet of described second feeding pipeline is fixed with the 3rd welded flange (53)；
Second tuning-fork type level switch (92), it is arranged on described second feeding pipeline and fixes with described second feeding pipeline and is connected, the tuning fork of described second tuning-fork type level switch (92) stretches into described second feeding pipeline, the axis of described second tuning-fork type level switch (92) and the dead in line of described second feeding pipeline, described second tuning-fork type level switch (92) is fixed with three-flange (103), described three-flange (103) and the fixing connection of described 3rd welded flange (53), distance between the sidewall of described three-flange (103) and described limestone powder bin (1) is L2；
Wherein, described angle A and described angle B are equal, and described distance L1 and described distance L2 is equal.
2. apparatus for measuring charge level according to claim 1, it is characterised in that described angle A is 15 °, described angle B is 15 °.
3. apparatus for measuring charge level according to claim 1, it is characterised in that described L1 is 100mm, described L2 is 100mm.
4. apparatus for measuring charge level according to claim 1, it is characterised in that described first flange (101) and described first welded flange (51) connect by bolt (4) is fixing.
5. apparatus for measuring charge level according to claim 1, it is characterised in that described second flange (102) and described second welded flange (52) connect by bolt (4) is fixing.
6. apparatus for measuring charge level according to claim 1, it is characterised in that described three-flange (103) and described 3rd welded flange (53) connect by bolt (4) is fixing.
7. apparatus for measuring charge level according to claim 1, it is characterised in that be provided with flange gasket (3) between described first flange (101) and described first welded flange (51).
8. apparatus for measuring charge level according to claim 1, it is characterised in that be provided with flange gasket (3) between described second flange (102) and described second welded flange (52).
9. apparatus for measuring charge level according to claim 1, it is characterised in that be provided with flange gasket (3) between described three-flange (103) and described 3rd welded flange (53).
10. the apparatus for measuring charge level according to any one in claim 1-9, it is characterised in that also including heat-insulation layer (6), described heat-insulation layer (6) is positioned on the outer wall of described limestone powder bin (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610282408.1A CN105806446A (en) | 2016-04-29 | 2016-04-29 | Combined level measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610282408.1A CN105806446A (en) | 2016-04-29 | 2016-04-29 | Combined level measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105806446A true CN105806446A (en) | 2016-07-27 |
Family
ID=56457956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610282408.1A Pending CN105806446A (en) | 2016-04-29 | 2016-04-29 | Combined level measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105806446A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220236A (en) * | 2020-01-09 | 2020-06-02 | 中铁十四局集团大盾构工程有限公司 | Explosion-proof type liquid level detection device of air cushion bin of major diameter slurry shield machine |
| CN111982234A (en) * | 2020-08-05 | 2020-11-24 | 北京国电龙源环保工程有限公司 | Ash bucket material level measuring device and measuring method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0668488B1 (en) * | 1994-02-18 | 2007-07-11 | Endress + Hauser GmbH + Co. KG | Device for measuring the filling level of a container |
| CN201784972U (en) * | 2010-09-17 | 2011-04-06 | 天津海泰环保科技发展有限公司 | Rubber powder storage bin with level meter |
| CN102914345A (en) * | 2012-11-08 | 2013-02-06 | 中国神华能源股份有限公司 | Material level switch and method for monitoring material level of material cabin |
| CN202744478U (en) * | 2012-08-22 | 2013-02-20 | 浙江绍兴三锦石化有限公司 | Tuning fork material level switch nitrogen flushing device |
| CN103348222A (en) * | 2010-12-30 | 2013-10-09 | 恩德莱斯和豪瑟尔两合公司 | Method and apparatus for orienting measuring instrument |
| CN103502782A (en) * | 2011-04-14 | 2014-01-08 | 恩德莱斯和豪瑟尔两合公司 | Method for calibrating and/or monitoring FMCW radar filling level measuring device |
| CN205593603U (en) * | 2016-04-29 | 2016-09-21 | 大唐环境产业集团股份有限公司 | Modular material level measuring device |
-
2016
- 2016-04-29 CN CN201610282408.1A patent/CN105806446A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0668488B1 (en) * | 1994-02-18 | 2007-07-11 | Endress + Hauser GmbH + Co. KG | Device for measuring the filling level of a container |
| CN201784972U (en) * | 2010-09-17 | 2011-04-06 | 天津海泰环保科技发展有限公司 | Rubber powder storage bin with level meter |
| CN103348222A (en) * | 2010-12-30 | 2013-10-09 | 恩德莱斯和豪瑟尔两合公司 | Method and apparatus for orienting measuring instrument |
| CN103502782A (en) * | 2011-04-14 | 2014-01-08 | 恩德莱斯和豪瑟尔两合公司 | Method for calibrating and/or monitoring FMCW radar filling level measuring device |
| CN202744478U (en) * | 2012-08-22 | 2013-02-20 | 浙江绍兴三锦石化有限公司 | Tuning fork material level switch nitrogen flushing device |
| CN102914345A (en) * | 2012-11-08 | 2013-02-06 | 中国神华能源股份有限公司 | Material level switch and method for monitoring material level of material cabin |
| CN205593603U (en) * | 2016-04-29 | 2016-09-21 | 大唐环境产业集团股份有限公司 | Modular material level measuring device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220236A (en) * | 2020-01-09 | 2020-06-02 | 中铁十四局集团大盾构工程有限公司 | Explosion-proof type liquid level detection device of air cushion bin of major diameter slurry shield machine |
| CN111982234A (en) * | 2020-08-05 | 2020-11-24 | 北京国电龙源环保工程有限公司 | Ash bucket material level measuring device and measuring method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190187071A1 (en) | Measuring device for dielectric constant determination | |
| CN103344288B (en) | A kind of transit-time ultrasonic flow meter measuring method analyzed based on zero point | |
| CN102788626B (en) | Non-contact type electromagnetic wave switch for detecting material level in silo and detecting method of electromagnetic wave | |
| CN103630555B (en) | A kind of dangerous liquid material adopts the method for microwave multifrequency point vector detection in detecting | |
| CN205593603U (en) | Modular material level measuring device | |
| CN105806446A (en) | Combined level measuring device | |
| KR101576438B1 (en) | method of measuring level of liquid errorless and radar level gauge system using the same | |
| CN103884317A (en) | Real-time monitoring system for settlement of roadbed of high-speed rail | |
| CN107064179A (en) | A kind of sand material moisture content online automatic detection instrument | |
| US20140266863A1 (en) | Radar level gauge with signal division | |
| CN205642551U (en) | Prevent multi -stage combination formula material level measuring device that blocks up | |
| CN110749921A (en) | Portable detection device for blockage of exposed filling pipeline and dredging method | |
| US11366002B2 (en) | Method for detecting a fault state at an FMCW-based filling level measuring device | |
| CN101451871A (en) | Blanking stack height measuring device | |
| CN104155365A (en) | Detection method and device for tunnel lining concrete void | |
| CN205593609U (en) | Take compressed air to prevent desulfurized limestone powder storehouse material level measuring device who blocks up | |
| CN105928588A (en) | Multi-stage combined type anti-blocking material level measuring device | |
| CN205593607U (en) | Doublestage material level measuring device | |
| CN100557438C (en) | Multi-functional measurer for supersonic wave measures and measuring method thereof | |
| CN105571675A (en) | Safety monitoring system and monitoring method for gas pipeline | |
| CN203489945U (en) | External attaching type ultrasound liquid level meter | |
| JP4931353B2 (en) | Microwave transceiver and rangefinder | |
| CN105865579A (en) | Anti-blocking double-stage material level measurement device | |
| CN207515851U (en) | A kind of novel precession Vortex flow device suitable for variable grain concentration gases | |
| CN207908017U (en) | A kind of device measured for tank fill level |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160727 |
|
| RJ01 | Rejection of invention patent application after publication |