CN202033074U - Silo level measuring device - Google Patents
Silo level measuring device Download PDFInfo
- Publication number
- CN202033074U CN202033074U CN2011200893361U CN201120089336U CN202033074U CN 202033074 U CN202033074 U CN 202033074U CN 2011200893361 U CN2011200893361 U CN 2011200893361U CN 201120089336 U CN201120089336 U CN 201120089336U CN 202033074 U CN202033074 U CN 202033074U
- Authority
- CN
- China
- Prior art keywords
- level
- measuring
- radiation source
- ray receiver
- nuclear radiation
- 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.)
- Expired - Lifetime
Links
- 241001438449 Silo Species 0.000 title abstract 7
- 238000005259 measurement Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 21
- 239000011521 glass Substances 0.000 claims description 17
- 238000004804 winding Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000000875 corresponding Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 239000003245 coal Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002817 coal dust Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000630 rising Effects 0.000 description 2
- 230000001360 synchronised Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002588 toxic Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
Abstract
The utility model relates to a silo level measuring device, which belongs to the technical field of a detection device and is used for synchronously monitoring a level of a silo. In the technical scheme, the silo level measuring device comprises a level measuring part, a level measuring and moving part and a measurement signal transmission and control part, the level measuring part comprises two measuring tubes, a nuclear radiation source and a ray receiver, the two measuring tubes are arranged in parallel, the nuclear radiation source and the ray receiver are respectively arranged in the two measuring tubes, the measuring tubes are arranged in the silo, the position of the nuclear radiation source corresponds to the position of the ray receiver, the nuclear radiation source and the ray receiver are connected with the measurement signal transmission and control part outside the silo respectively through a cable, the measuring tubes are connected with the level measuring and moving part arranged on the upper part of the silo, and the level measuring and moving part is connected with the measurement signal transmission and control part. The device is suitable for complex environments on the industrial production site. The utility model has the advantages that the device is convenient to use and maintain and has a low cost, high accuracy and high efficiency.
Description
Technical field
The utility model relates to a kind of device that material level in the feed bin is measured, and belongs to the checkout equipment technical field.
Background technology
Feed bin is industrial important component part, and bin-level directly provides operating basis for commercial production.The instrument of the detection bin-level that uses comprises that radar levelmeter, ultrasonic material level detection unit, throw-in type weight dropper charge level indicator, capacitance material level meter etc. are multiple at present.But in actual production, find, owing to abominable production environment and probing medium be easy to reason such as damage, make that these conventional instruments often can't operate as normal, cause bin-level normally not monitor, thereby influenced the normal operation of producing.As in actual production, Pulverized Coal Bin is the raw material storage of bf coal injection system, and the Pulverized Coal Bin material level is the important parameter that directly restricts the coal powder injection operation, and can it measure order of accuarcy and determining pulverized coal preparation system normally move or maintenance according to plan.3200 meter 3 high 25m in blast-furnace coal powder storehouse of the iron-smelter of certain iron and steel enterprise, diameter 8m, coal dust is imported on Pulverized Coal Bin top at any time, the bottom is exported coal dust at any time, sometimes to charge into also that nitrogen carries out back powder from the bottom in case the coal dust caking, storehouse inner suspension coal dust is a lot, interface is unintelligible, since going into operation, several level-sensing devices---weight dropper charge level indicator, capacitance material level meter, ultrasonic material level detection unit, radar level gauge have successively been adopted, but these several level-sensing devices all fail to satisfy the requirement of measurement and coal powder injection operation, have influenced production.Therefore design that a kind of to be suitable for industrial new apparatus for measuring charge level be very necessary.
The utility model content
Technical problem to be solved in the utility model provides a kind ofly can adapt to complicated industrial production environment, overcome rugged surroundings influence, the brand-new bin-level measurement mechanism that reliable assurance is provided smoothly for producing.
The technical scheme that solves the problems of the technologies described above is:
A kind of bin-level measurement mechanism, it is by the level gauging part, the level gauging movable part, measuring-signal transmission and control section are formed, level gauging partly comprises measures tube, nuclear radiation source, ray receiver, measuring tube is two, be arranged in parallel, nuclear radiation source and ray receiver are installed in two respectively and measure in the tube, measuring tube is placed in the feed bin, the ray occurrence positions of nuclear radiation source is corresponding with the ray receiving position of ray receiver, nuclear radiation source is connected with control section with the measuring-signal transmission of feed bin outside by cable respectively with ray receiver, measure tube and be connected with the level gauging movable part that is installed in the feed bin top, the level gauging movable part is connected with control section with the measuring-signal transmission.
Above-mentioned bin-level measurement mechanism, described level gauging movable part is made up of glass pulley, reducing motor, limit switch, postive stop baffle, potentiometer, the cable of nuclear radiation source and ray receiver is connected on the glass pulley, reducing motor is connected by chain with the winding wheel shaft of glass pulley, on the winding wheel shaft of glass pulley postive stop baffle is installed, postive stop baffle is between two limit switches, potentiometer is fixedlyed connected with the reducing motor axle, and the signal end of potentiometer is connected with control section with the measuring-signal transmission.
The number of teeth of the chain pitch wheel on the above-mentioned bin-level measurement mechanism, the chain pitch wheel on the described reducing motor axle and winding displacement wheel shaft is identical, and modulus is also identical, potentiometer and reducing motor axle concentric, same revolution.
Above-mentioned bin-level measurement mechanism, described measuring-signal transmission and control section are made up of electronic converter unit, PLC controller, reversing unit, material level converting unit, display unit, the signal output part of the ray receiver of level gauging part is connected to electronic converter unit, electronic converter unit is connected with the PLC controller, the signal end of the limit switch that level gauging moves connects reversing unit, reversing unit is connected with the PLC controller, the material level converting unit is connected with display unit with potentiometer respectively, and display unit is connected with the PLC controller.
The conduction of the utility model by the reducing motor gear, control glass pulley up or move down guaranteed that nuclear radiation source surveys the synchronism and the accuracy of material level; Simultaneously because the potentiometer and the concentric of reducing motor, same revolution, potentiometer links to each other with the material level converting unit, and the rising of material level or decline obtain synchronous reaction, have guaranteed the synchronism and the accuracy of material-height exploring.Because the singularity and the measurement of species of nuclear radiation source are contactless, have avoided the influence of bad working environment such as high temperature, dust.This device combines automatic technology and nuclear radiation instrument first completely, can be accurately and stably finish the level gauging of complicated feed bin.To enclosure-type or non-tight formula batch can, feed bin, harsh environmental conditions such as high temperature, high pressure, corrosivity, toxic all extensively are suitable for the place that is particularly useful for major diameter, big heavy wall feed bin and requires to reduce environmental radiation.The utlity model has easy to use, be easy to maintenance, high precision, high efficiency advantage, obtained good economic benefit, be a kind of bin-level measurement mechanism of special use of function admirable, have good social prospect and economic outlook.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Mark is as follows among the figure: measure tube 1, nuclear radiation source 2, ray receiver 3, balancing weight 4, glass pulley 5, reducing motor 6, limit switch 7, postive stop baffle 8, potentiometer 9, material level converting unit 10, PLC controller 11, electronic converter unit 12, display unit 13, reversing unit 14.
Embodiment
Show among the figure that the utility model is made up of level gauging part, level gauging movable part, measuring-signal transmission and control section.
Level gauging partly comprises measures tube 1, nuclear radiation source 2, ray receiver 3.The level gauging movable part comprises glass pulley 5, reducing motor 6, limit switch 7, postive stop baffle 8, potentiometer 9.Measuring-signal transmission and control section comprise electronic converter unit 12, PLC controller 11, reversing unit 14, material level converting unit 10, display unit 13.
Feed bin temperature height shows among the figure that the measurement tube 1 of level gauging part is two, is arranged in parallel, vertically inserts in feed bin, if then can be put in feed bin outer wall place with measuring tube 1.Nuclear radiation source 2 and ray receiver 3 are placed on two respectively and measure in the tube 1, nuclear radiation source 2 is connected by the glass pulley 5 of cable with the level gauging movable part of measuring tube 1 top respectively with ray receiver 3, the level gauging movable part drives nuclear radiation source 2 and ray receiver 3 moves up and down synchronously, and the material level of feed bin is measured.
Show among the figure that the level gauging movable part is made up of glass pulley 5, reducing motor 6, limit switch 7, postive stop baffle 8, potentiometer 9.Glass pulley 5 has two, and they lay respectively at two tops of measuring tube 1, nuclear radiation source 2 and ray receiver 3 respectively by cable on glass pulley 5, cable one side that connects at ray receiver 3 also is connected with balancing weight 4.Reducing motor 6 is connected by chain with the winding wheel shaft of glass pulley 5, and the number of teeth of the chain pitch wheel on the chain pitch wheel on the reducing motor axle and the winding displacement wheel shaft is identical, and modulus is also identical.Postive stop baffle 8 is installed on the winding wheel shaft of glass pulley 5, and postive stop baffle 8 is between two limit switches 7, and move left and right contacts with limit switch 7 with the rotation of winding wheel shaft for postive stop baffle 8, thus the control bound.Potentiometer 9 is fixedlyed connected with the reducing motor axle, potentiometer 9 and reducing motor axle concentric, same revolution.
Show among the figure that measuring-signal transmission of the present utility model and control section comprise electronic converter unit 12, PLC controller 11, reversing unit 14, material level converting unit 10, display unit 13.
The signal output part of ray receiver 3 is connected to electronic converter unit 12, and electronic converter unit 12 is connected with PLC controller 11, sends the signal of ray receiver 3 to PLC controller 11.The signal output part of the limit switch 7 of level gauging movable part is connected with PLC controller 11, and reversing unit 14 is connected with PLC controller 11, and the output terminal of reversing unit 14 is connected with the control end of reducing motor 6.During work, reversing unit 14 sends the instruction of PLC controller 11 to reducing motor 6, the rotating speed of control reducing motor 6.When limit switch 7 did not play position-limiting action, PLC controller 11 may command reversing units 14 moved motor up and down, can only be descending as upper limit action motor, and can only be up as lower limit action motor.Material level converting unit 10 is connected with PLC controller 11 with the potentiometer 9 of level gauging movable part respectively, and potentiometer 9 links to each other with material level converting unit 10, and the rising of material level or decline obtain synchronous reaction, has guaranteed the synchronism and the accuracy of material-height exploring.Display unit 13 is connected with PLC controller 11, and the material level state is shown.
Claims (4)
1. bin-level measurement mechanism, it is characterized in that: it is by the level gauging part, the level gauging movable part, measuring-signal transmission and control section are formed, level gauging partly comprises measures tube [1], nuclear radiation source [2], ray receiver [3], measuring tube [1] is two, be arranged in parallel, nuclear radiation source [2] and ray receiver [3] are installed in two respectively and measure in the tube [1], measuring tube [1] is placed in the feed bin, the ray occurrence positions of nuclear radiation source [2] is corresponding with the ray receiving position of ray receiver [3], nuclear radiation source [2] is connected with control section with the measuring-signal transmission of feed bin outside by cable respectively with ray receiver [3], measure tube [1] and be connected with the level gauging movable part that is installed in the feed bin top, the level gauging movable part is connected with control section with the measuring-signal transmission.
2. bin-level measurement mechanism according to claim 1, it is characterized in that: described level gauging movable part is by glass pulley [5], reducing motor [6], limit switch [7], postive stop baffle [8], potentiometer [9] is formed, the cable of nuclear radiation source [2] and ray receiver [3] is connected on the glass pulley [5], reducing motor [6] is connected by chain with the winding wheel shaft of glass pulley [5], postive stop baffle [8] is installed on the winding wheel shaft of glass pulley [5], postive stop baffle [8] is positioned between two limit switches [7], potentiometer [9] is fixedlyed connected with the reducing motor axle, and the signal end of potentiometer [9] is connected with control section with the measuring-signal transmission.
3. bin-level measurement mechanism according to claim 2 is characterized in that: the number of teeth of the chain pitch wheel on the chain pitch wheel on the described reducing motor axle and the winding displacement wheel shaft is identical, and modulus is also identical, and potentiometer [9] is concentric with the reducing motor axle.
4. bin-level measurement mechanism according to claim 3, it is characterized in that: described measuring-signal transmission and control section are by electronic converter unit [12], PLC controller [11], reversing unit [14], material level converting unit [10], display unit [13] is formed, the signal output part of the ray receiver [3] of level gauging part is connected to electronic converter unit [12], electronic converter unit [12] is connected with PLC controller [11], the signal end of the limit switch of level gauging movable part [7] connects reversing unit [14], reversing unit [14] is connected with PLC controller [11], material level converting unit [10] is connected with display unit [13] with potentiometer [9] respectively, and display unit [13] is connected with PLC controller [11].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200893361U CN202033074U (en) | 2011-03-30 | 2011-03-30 | Silo level measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200893361U CN202033074U (en) | 2011-03-30 | 2011-03-30 | Silo level measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202033074U true CN202033074U (en) | 2011-11-09 |
Family
ID=44895368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200893361U Expired - Lifetime CN202033074U (en) | 2011-03-30 | 2011-03-30 | Silo level measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202033074U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226707A (en) * | 2011-03-30 | 2011-10-26 | 唐山钢铁集团微尔自动化有限公司 | Material level measuring device of material bin |
| WO2013189125A1 (en) * | 2012-06-19 | 2013-12-27 | Guo Yunchang | Method related to determining switching point of a switch-type passive nucleonic level gauge |
-
2011
- 2011-03-30 CN CN2011200893361U patent/CN202033074U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226707A (en) * | 2011-03-30 | 2011-10-26 | 唐山钢铁集团微尔自动化有限公司 | Material level measuring device of material bin |
| CN102226707B (en) * | 2011-03-30 | 2013-03-27 | 唐山钢铁集团微尔自动化有限公司 | Material level measuring device of material bin |
| WO2013189125A1 (en) * | 2012-06-19 | 2013-12-27 | Guo Yunchang | Method related to determining switching point of a switch-type passive nucleonic level gauge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111109 Effective date of abandoning: 20130327 |
|
| RGAV | Abandon patent right to avoid regrant |