CN207605880U - A kind of flotation cell mineral pulp level continuously measures and regulating device - Google Patents
A kind of flotation cell mineral pulp level continuously measures and regulating device Download PDFInfo
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- CN207605880U CN207605880U CN201721358928.2U CN201721358928U CN207605880U CN 207605880 U CN207605880 U CN 207605880U CN 201721358928 U CN201721358928 U CN 201721358928U CN 207605880 U CN207605880 U CN 207605880U
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- flotation cell
- level
- regulating device
- mineral pulp
- flotation
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Abstract
The utility model discloses a kind of flotation cell mineral pulp level continuously measure and regulating device, belong to technical field of beneficiation, with solve in flotation cell there are when froth bed and severe instrument running environment to the real-time and accurate measurement of mineral pulp level.Device includes measuring device, executive device and control device, and measuring device includes ultrasonic level gage, plane reflection disk and floating ball；Executive device includes executing agency, cylinder and cone valve；Control device is PID controller.The principle of the utility model application ultrasonic level gage echoranging measures flotation cell pulp slurry place value, cone valve folding control mineral slurry flux is adjusted by actual liquid level value and the gap of setting level value, it is not influenced by the disturbing factors such as ore pulp superposed layer and mineralized froth, temperature environment, measurement accuracy reaches ± 1%FS, can easily be installed, measured and be overhauled in ore dressing flotation operation face range.
Description
Technical field
The utility model belongs to technical field of beneficiation, and in particular to a kind of flotation cell mineral pulp level is continuous to be measured and adjust
Regulating device.
Background technology
Flotation of ore pulp process mainly realizes iron ore concentrate by parameters such as regulating agent amount, aeration quantity and flotation cell mineral pulp levels
Effective control of flotation grade, wherein flotation cell mineral pulp level are to influence the important parameter of iron ore concentrate floatation process production target,
Liquid level is relatively low will to make valuable mineral be unable to fully detach, and the rate of recovery is caused to decline, higher, easy to produce again and emit slot, reduce essence
Therefore mine grade accurately carries out effective monitoring and controlling of iron ore concentrate flotation cell mineral pulp level to improving the iron ore deposit rate of recovery
It is of great significance.
The difficulty that flotation cell mineral pulp level measures is：Ore pulp superposed layer is a kind of special with mineralized froth inside flotation device
Two phase flow form, the multiple performances such as mechanics, calorifics, optics have very big difference with single phase gas or liquid, due to foam
Formation mechenism it is various, change of properties is complicated, there is no perfect research theory system so far, prior art China and foreign countries are to flotation cell mine
It starches level gauging to detect frequently with capacitance level gauge, blowing type liquid level meter or float type level gauge type, but under the prior art
Condenser type and blowing type liquid level meter can not overcome the influence of ore pulp caking property, and ore proportion, pulp density etc. become frequent occurrence
Change, therefore cause mineral pulp level detection inaccurate, stability is poor, and float type level gauge switchs to angular displacement in float up and down motion
When, bring the non-linear caused error of tangent function into, when mineral pulp level fluctuation is bigger, caused error is bigger, and
And angular displacement sensor is in lasting rotation, easy to wear, service life is affected, it is difficult to realize stable, reliable measurements；Closely
Applying ultrasonic lever meter to measure technology is developed both at home and abroad over year, but since ore dressing flotation cell measuring condition is poor, instrument operation
Bad environments, while influence of the ore pulp froth bed to ultrasonic level gage is also very big, the foam on tested ore pulp surface can make to beat
Ultrasonic wave above, which is absorbed, to be reflected, and ultrasonic wave is to receive this process using transmitting-reflection-to calculate measurement, is not had
The problem of back wave or back wave are too faint, can not normally measure naturally, and ore pulp superposed layer influences to measure with mineralized froth is difficult
To overcome, ore dressing flotation cell mineral pulp level on-line continuous is measured and lacks complete, reliable total solution.
Utility model content
It is floating to solve the purpose of this utility model is to provide a kind of continuous measurement of flotation cell mineral pulp level and regulating device
Select in slot there are when froth bed and severe instrument running environment to the real-time and accurate measurement of mineral pulp level.
In order to solve problem above, technical solutions of the utility model are：
A kind of flotation cell mineral pulp level continuously measurement and regulating device, including measuring device, executive device and control device,
Measuring device includes ultrasonic level gage, plane reflection disk and floating ball；Plane reflection disk is connected with floating ball by ball lever, plane
Reflecting disc is mounted on the lower section of ultrasonic level gage；Executive device includes executing agency, cylinder and cone valve, the connection of cylinder top
Executing agency, cylinder end connect cone valve, and cone valve is located at flotation cell slurry outlet；Control device is PID controller；It is super
The input terminal of the output end connection PID controller of sonic liquid-level meter, the output end of PID controller are connected by electric appliance valve positioner
The input terminal of executing agency.
Further, PID controller is connected with electric operator.
Further, plane reflection disk and floating ball periphery are equipped with orientation measurement cylinder, and orientation measurement cylinder upper and lower opening is simultaneously installed
On flotation platform.
Further, orientation measurement cylinder lower part is reverse frustoconic.
Further, flotation platform is equipped with holder, and ultrasonic level gage is rack-mount.
Further, flush pipe is equipped with above floating ball.
Further, flush pipe is mounted on flotation platform.
Further, protective housing, protective housing are equipped with outside PID controller and electric operator（16）Mounted on flotation platform
On.
The beneficial effects of the utility model are as follows：The principle of the utility model application ultrasonic level gage echoranging is come
Flotation cell pulp slurry place value is measured, cone valve folding control flow of slurry is adjusted by actual liquid level value and the gap of setting level value
Amount；It is spare that electric operator is set, mineral slurry flux is uncontrolled when preventing PID controller failure；It is flat that orientation measurement cylinder stabilization is set
Face reflecting disc and floating ball；Flush pipe is set above floating ball, is ensured that floating ball 6 and orientation measurement cylinder 13 clean, is accurately indicated liquid level；PID
Controller and electric operator peripheral hardware protective housing ensure that equipment is not interfered by environmental factor；The utility model is not outstanding by ore pulp
The influence of the disturbing factors such as floating layer and mineralized froth, temperature environment, measurement accuracy reach ± 1%FS, can be in ore dressing flotation operation
Face range is easily installed, measured and is overhauled.
Description of the drawings
Fig. 1 is a kind of flotation cell mineral pulp level continuously structural schematic diagram of measurement and regulating device.
Reference numeral is as follows：1, flotation platform；2, liquid level；3, PID controller；4, ultrasonic level gage；5, plane reflection
Disk；6, floating ball；7, ball lever；8, executing agency；9, cylinder；10, cone valve；11, electric appliance valve positioner；12, electric operator；
13, orientation measurement cylinder；14, holder；15, flush pipe；16, protective housing.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
In the utility model, ultrasonic level gage selects the two wires SITRANSprobeLU of SIEMENS companies of Germany production
Integral ultrasonic liquid level gauge processed；PID controller model XMA5660F inputs 4-20mA.DC, exports 4-20mA.DC, power supply
220VAC；It interrogates Instrument Corporation and produces MIB-10C in electric operator model Shenzhen ten thousand；Electrical valve positioner selects Germany
The SITRANSPS26DR5020-0EG01-OAA0 of SIEMENS companies production.
As shown in Figure 1, a kind of flotation cell mineral pulp level continuously measures and regulating device, including measuring device, executive device
And control device, measuring device include ultrasonic level gage 4, plane reflection disk 5 and floating ball 6；Plane reflection disk 5 and floating ball 6 are logical
The connection of ball lever 7 is crossed, plane reflection disk 5 and 6 periphery of floating ball are equipped with orientation measurement cylinder 13, and 13 upper and lower opening of orientation measurement cylinder is simultaneously pacified
On flotation platform 1,13 lower part of orientation measurement cylinder is reverse frustoconic, and 6 top of floating ball is equipped with flush pipe 15, and flush pipe 15 is installed
On flotation platform 1, flotation platform 1 is equipped with holder 14, and ultrasonic level gage 4 is installed on the support 14, and plane reflection disk 5 is pacified
Mounted in the lower section of ultrasonic level gage 4；Executive device includes executing agency 8, cylinder 9 and cone valve 10, and the connection of 9 top of cylinder is held
Row mechanism 8,9 bottom end of cylinder connect cone valve 10, and cone valve 10 is located at flotation cell slurry outlet；Control device is PID control
Device 3；The input terminal of the output end connection PID controller 3 of ultrasonic level gage 4, the output end of PID controller 3 pass through electric appliance valve
Locator 11 connects the input terminal of executing agency 8, and PID controller 3 is connected with electric operator 12, PID controller 3 and electronic behaviour
Make 12 outside of device and be equipped with protective housing 16, protective housing 16 is mounted on flotation platform 1.
When operation, the probe vertical for the ultrasonic level gage 4 installed on holder 14 sends out high frequency to plane reflection disk 5 downwards
Ultrasonic pulse is reflected by plane reflection disk 5 and is turned back, and reflection fold-back ultrasonic wave is received and turned by the probe of ultrasonic level gage 4
It is changed to electric signal, electric signal is transferred to PID controller 3 from ultrasonic level gage 4, and PID controller 3 shows level value, by this
The level value shown is compared with the level value of setting, according to the direction of deviation and size, PID controller between two values
3 export corresponding control signal to electric appliance valve positioner 11, after electropneumatic valve positioner 11 receives signal, send out respective handling letter
Number, the action by controlling journey executing agency 8 adjusts 10 opening degree of cone valve to adjust the air pressure signal in cylinder 9 to reach
Purpose, to make mineral syrup liquid 2 maintain setting value.
It, can be with electric operator 12 come manual control signal if PID controller 3 breaks down in operation process
Output；If floating ball 6 and orientation measurement cylinder 13 are adhered to too much by ore pulp foam, can be passed through pressure into flush pipe 15 is
0.1MPa, flow 3m3The flushing water of/h rinses floating ball 6 and orientation measurement cylinder 13, to ensure that the utility model works normally.
After operation, when need to check and clean plane reflection disk 5 and floating ball 6, can unclamp fixing bolt will be fixed on flotation
Orientation measurement cylinder 13 on platform 1 is carried to safety inspection position, is resetted after maintenance.
Claims (8)
1. a kind of flotation cell mineral pulp level continuously measures and regulating device, it is characterised in that：Including measuring device, executive device and
Control device, the measuring device include ultrasonic level gage（4）, plane reflection disk（5）And floating ball（6）；The plane reflection
Disk（5）And floating ball（6）Pass through ball lever（7）Connection, the plane reflection disk（5）Mounted on ultrasonic level gage（4）Lower section；
The executive device includes executing agency（8）, cylinder（9）And cone valve（10）, the cylinder（9）Top connects executing agency
（8）, the cylinder（9）Bottom end connects cone valve（10）, the cone valve（10）At flotation cell slurry outlet；The control
Device is PID controller（3）；The ultrasonic level gage（4）Output end connect PID controller（3）Input terminal, it is described
PID controller（3）Output end pass through electric appliance valve positioner（11）Connect executing agency（8）Input terminal.
2. a kind of flotation cell mineral pulp level as described in claim 1 continuously measures and regulating device, it is characterised in that：It is described
PID controller（3）It is connected with electric operator（12）.
3. a kind of flotation cell mineral pulp level as claimed in claim 1 or 2 continuously measures and regulating device, it is characterised in that：Institute
State plane reflection disk（5）And floating ball（6）Periphery is equipped with orientation measurement cylinder（13）, the orientation measurement cylinder（13）Upper and lower opening is simultaneously pacified
Mounted in flotation platform（1）On.
4. a kind of flotation cell mineral pulp level as claimed in claim 3 continuously measures and regulating device, it is characterised in that：It is described to lead
To measuring cylinder（13）Lower part is reverse frustoconic.
5. a kind of flotation cell mineral pulp level as claimed in claim 4 continuously measures and regulating device, it is characterised in that：It is described floating
Select platform（1）It is equipped with holder（14）, the ultrasonic level gage（4）Mounted on holder（14）On.
6. a kind of flotation cell mineral pulp level as claimed in claim 5 continuously measures and regulating device, it is characterised in that：It is described floating
Ball（6）Top is equipped with flush pipe（15）.
7. a kind of flotation cell mineral pulp level as claimed in claim 6 continuously measures and regulating device, it is characterised in that：The punching
Wash pipe（15）Mounted on flotation platform（1）On.
8. a kind of flotation cell mineral pulp level as claimed in claim 7 continuously measures and regulating device, it is characterised in that：It is described
PID controller（3）And electric operator（12）Outside is equipped with protective housing（16）, the protective housing（16）Mounted on flotation platform
（1）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721358928.2U CN207605880U (en) | 2017-10-20 | 2017-10-20 | A kind of flotation cell mineral pulp level continuously measures and regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721358928.2U CN207605880U (en) | 2017-10-20 | 2017-10-20 | A kind of flotation cell mineral pulp level continuously measures and regulating device |
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| Publication Number | Publication Date |
|---|---|
| CN207605880U true CN207605880U (en) | 2018-07-13 |
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| CN201721358928.2U Expired - Fee Related CN207605880U (en) | 2017-10-20 | 2017-10-20 | A kind of flotation cell mineral pulp level continuously measures and regulating device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107626457A (en) * | 2017-10-20 | 2018-01-26 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of flotation cell mineral pulp level continuous regulating mechanism and its adjusting method |
| CN109092568A (en) * | 2018-08-10 | 2018-12-28 | 湖南柿竹园有色金属有限责任公司 | A kind of flotation column automatic control system |
| CN109382215A (en) * | 2018-09-29 | 2019-02-26 | 四川西冶检测科技有限公司 | Automatic addition milk of lime system |
| CN109724678A (en) * | 2019-03-05 | 2019-05-07 | 华北电力科学研究院有限责任公司 | Consider the absorbing tower liquid-level height measuring device and method of slurries foam falseness liquid level |
| CN110270438A (en) * | 2019-07-24 | 2019-09-24 | 天地（唐山）矿业科技有限公司 | A kind of adjusting method of coal flotation device mineral pulp level and depth of foam |
-
2017
- 2017-10-20 CN CN201721358928.2U patent/CN207605880U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107626457A (en) * | 2017-10-20 | 2018-01-26 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of flotation cell mineral pulp level continuous regulating mechanism and its adjusting method |
| CN109092568A (en) * | 2018-08-10 | 2018-12-28 | 湖南柿竹园有色金属有限责任公司 | A kind of flotation column automatic control system |
| CN109382215A (en) * | 2018-09-29 | 2019-02-26 | 四川西冶检测科技有限公司 | Automatic addition milk of lime system |
| CN109724678A (en) * | 2019-03-05 | 2019-05-07 | 华北电力科学研究院有限责任公司 | Consider the absorbing tower liquid-level height measuring device and method of slurries foam falseness liquid level |
| CN109724678B (en) * | 2019-03-05 | 2024-03-22 | 华北电力科学研究院有限责任公司 | Absorption tower liquid level height measuring device and method considering false liquid level of slurry foam |
| CN110270438A (en) * | 2019-07-24 | 2019-09-24 | 天地（唐山）矿业科技有限公司 | A kind of adjusting method of coal flotation device mineral pulp level and depth of foam |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180713 Termination date: 20181020 |
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| CF01 | Termination of patent right due to non-payment of annual fee |