CN208357044U - A kind of flotation device air supply device - Google Patents
A kind of flotation device air supply device Download PDFInfo
- Publication number
- CN208357044U CN208357044U CN201820779932.4U CN201820779932U CN208357044U CN 208357044 U CN208357044 U CN 208357044U CN 201820779932 U CN201820779932 U CN 201820779932U CN 208357044 U CN208357044 U CN 208357044U
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- amplifier
- connect
- blower
- output end
- flotation
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Abstract
The utility model provides a kind of flotation device air supply device, including the air duct being connected to flotation device, air duct is connected to blower, the bearing of blower is connect by shaft coupling with driving motor bearing, temperature measurer is respectively provided on fan bearing and driving motor bearing, temperature measurer is connect with controller, controller is connect with alarm, volume damper and check valve are set in air duct, check valve is arranged between volume damper and flotation device, pressure sensor for monitoring air feed overpressure is set between volume damper and blower, controller respectively with pressure sensor, volume damper connection.The device can timely obtain flotation blower temperature, and measured temperature signal is shown in digital form, real-time monitoring to flotation fan bearing temperature can be realized using this programme, blower is stopping working when the temperature is excessively high, is ensureing the operational safety of flotation blower.
Description
Technical field
The utility model relates to a kind of for carrying out the device of air feed to flotation device.
Background technique
In the prior art, to be industrial and mining enterprises carry out choosing point processing to various metals using flotation device to well known technology, and
Pressure wind be flotation device choosing be allocated as industry must use material.Currently on the market there are no flotation fan bearing temperature detection and protect
Dedicated unit, therefore flotation fan bearing there are problems that often being burnt without temperature protection.For the generation for avoiding the phenomenon
The technical issues of being current urgent need to resolve, this is existing deficiencies in the technology.
Summary of the invention
The purpose of this utility model aiming at deficiency of the prior art, and provides a kind of flotation device air feed dress
It sets, which can timely obtain flotation blower temperature, and measured temperature signal is shown in digital form, adopt
The real-time monitoring to flotation fan bearing temperature can be realized with this programme, blower is stopping working when the temperature is excessively high, ensured
The operational safety of flotation blower.
This programme is achieved by the following technical measures: a kind of flotation device air supply device, including is connected to flotation device
Air duct, air duct is connected to blower, and the bearing of blower is connect by shaft coupling with driving motor bearing, fan bearing with
Temperature measurer is respectively provided on driving motor bearing, temperature measurer is connect with controller, and controller is connect with alarm, is set in air duct
Set volume damper and check valve, check valve is arranged between volume damper and flotation device, volume damper and blower it
Between pressure sensor for monitoring air feed overpressure is set, controller is connect with pressure sensor, volume damper respectively.
The bearing of blower is connect by shaft coupling with driving motor bearing, and such driving motor can drive blower to rotate, and is flotation
Machine air feed；There is temperature measurer, can timely monitor the temperature of fan bearing and driving motor bearing, when the temperature increases, control
Device control alarm is alarmed, and staff is reminded to check that avoid the occurrence of accident, controller can use known common control
Device processed.There is volume damper in air duct, can be needed to control air quantity in this way according to flotation；There is check valve, can hinder in this way
Liquid in gear flotation cell enters air duct and blower, avoids occurring negative pressure in air duct, and liquid enters air duct and blower
Situation；There is pressure sensor in this way and can timely monitor the pressure condition in the air duct between volume damper and blower,
If hypertonia and too low, alarm is alarmed.The temperature measurer is patch type temperature measurer, is easily installed in this way.
Thermistor is set on driving motor bearing, one end ground connection of thermistor, the other end of thermistor and the
The non-inverting input terminal of one amplifier D1 connects, and the non-inverting input terminal of the first amplifier D1 is connect by first resistor R1 with+VCC,
The reverse input end of first amplifier D1 is connect with the output end of the first amplifier D1, and the output end of the first amplifier D1 passes through the
Two resistance R2 are connect with the inverting input terminal of the second amplifier D2, and the reverse input end of the second amplifier D2 passes through 3rd resistor R3
It is connect with the output end of the second amplifier D2, the sliding of the in-phase output end of the second amplifier D2 and the first slide rheostat RB1
End connection, one end ground connection of the first slide rheostat RB1, the other end of the first slide rheostat RB1 by the 4th resistance R4 with
The anode connection of voltage-stabiliser tube VS, the cathode ground connection of voltage-stabiliser tube VS, the anode of voltage-stabiliser tube VS are connect by the 5th resistance R5 with+VCC,
The output end of second amplifier D2 is connect by the 6th resistance R6 with the inverting input terminal of third amplifier D3, and voltage-stabiliser tube VS is just
Pole is connect with the non-inverting input terminal of the 4th amplifier D4, the inverting input terminal of the 4th amplifier D4 and the output of the 4th amplifier D4
The output end of end connection, the 4th amplifier D4 is grounded by the second slide rheostat RB2, third slide rheostat RB3, and third is put
The non-inverting input terminal of big device D3 is connect by the 7th resistance R7 with the output end of third amplifier D3, and third amplifier D3 is the same as mutually defeated
Access port is connect by the 8th resistance R8, the second slide rheostat RB2 with the output end of the 4th amplifier D4, third amplifier D3
Output end connect with the base stage of triode VT1 by the 9th resistance R9, the grounded collector of triode VT1, triode VT1's
Emitter is connect by relay with+VCC, and relay K is in parallel with first diode VD1, the normally-closed contact K-1 of relay K
It connects with driving motor, such thermistor can timely sense the temperature of driving motor bearing, when the temperature is excessively high, three
Pole pipe VT1 conducting, relay K obtain electric, and the normally-closed contact K-1 of relay K is disconnected, and driving motor is powered down, stops working, in this way
Avoid alarm issue alarm when, staff has little time to handle, fan bearing temperature continue increase when the case where, in this way may be used
To avoid the generation of accident.
The height of flotation device is higher than the height of blower.The blower is centrifugal fan.It can guarantee gas supply in this way
It is unimpeded, guarantee that the combing of flotation carries out.The top of blower is arranged in fan air inlet, since flotation site situation is complicated, if
Air inlet is arranged in bottom, it is easy to suck the nugget on ground, influence the progress for emerging work.
It can be seen that the utility model compared with prior art, has substantive features and progress, the beneficial effect implemented
Fruit is also obvious.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of specific embodiment of the present invention.
Fig. 2 is temperature controlled circuit diagram.
In figure, 1 is flotation device, and 2 be flotation cell, and 3 be volume damper, and 4 be air duct, and 5 be alarm, and 6 be controller,
7 be fan bearing, and 8 be temperature measurer, and 9 be driving motor bearing, and 10 be driving motor, and 11 be blower, and 12 be shaft coupling, 13 for into
Port, 14 be check valve, and 15 be pressure sensor, and 16 be thermistor.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by a specific embodiment, and its attached drawing is combined, it is right
This programme is illustrated.
By attached drawing as can be seen that the flotation device air supply device of this programme is floated including the air duct 4 being connected to flotation device 1
Machine 1 is selected to be arranged in flotation cell 2, air duct 4 is connected to blower 11, and fan bearing 7 passes through shaft coupling 12 and driving motor bearing 9
Connection, is respectively provided with temperature measurer 8 on fan bearing 7 and driving motor bearing 9, and temperature measurer 8 is patch type temperature measurer, temperature measurer 8
It is connect with controller 6, controller 6 is connect with alarm 5, volume damper 3 and check valve 14 is arranged in air duct 4, unidirectionally
Valve 14 is arranged between volume damper 3 and flotation device 1, is arranged between volume damper 3 and blower 11 for monitoring air feed
The pressure sensor 15 of pressure in pipe 4, controller 6 are connect with pressure sensor 15, volume damper 3 respectively.
Thermistor 16 is set on driving motor bearing 9, and in circuit diagram, thermistor is identified with RT, thermistor
One end of RT is grounded, and the other end of thermistor RT is connect with the non-inverting input terminal of the first amplifier D1, the first amplifier D1's
Non-inverting input terminal is connect by first resistor R1 with+VCC, and the reverse input end of the first amplifier D1 is defeated with the first amplifier D1's
The output end of outlet connection, the first amplifier D1 is connect by second resistance R2 with the inverting input terminal of the second amplifier D2, the
The reverse input end of two amplifier D2 is connect by 3rd resistor R3 with the output end of the second amplifier D2, the second amplifier D2's
In-phase output end is connect with the sliding end of the first slide rheostat RB1, and one end ground connection of the first slide rheostat RB1, first is sliding
The other end of dynamic rheostat RB1 is connect by the 4th resistance R4 with the anode of voltage-stabiliser tube VS, the cathode ground connection of voltage-stabiliser tube VS, pressure stabilizing
The anode of pipe VS is connect by the 5th resistance R5 with+VCC, and the output end of the second amplifier D2 is put by the 6th resistance R6 with third
The inverting input terminal connection of big device D3, the anode of voltage-stabiliser tube VS are connect with the non-inverting input terminal of the 4th amplifier D4, the 4th amplification
The inverting input terminal of device D4 is connect with the output end of the 4th amplifier D4, and the output end of the 4th amplifier D4 is become by the second sliding
Device RB2, third slide rheostat RB3 ground connection are hindered, the non-inverting input terminal of third amplifier D3 is put by the 7th resistance R7 with third
The output end connection of big device D3, third amplifier D3 with phase import and export end by the 8th resistance R8, the second slide rheostat RB2 with
The output end of 4th amplifier D4 connects, and the output end of third amplifier D3 passes through the base stage of the 9th resistance R9 and triode VT1
Connection, the grounded collector of triode VT1, the emitter of triode VT1 are connect by relay with+VCC, relay K and the
One diode VD1 is in parallel, and the normally-closed contact K-1 of relay K connects with driving motor 10.
The height of flotation device 1 is higher than the height of blower 11.Blower 11 is centrifugal fan, and the air inlet 13 of blower 11 is arranged
On the top of blower 11.
Claims (6)
1. a kind of flotation device air supply device, including the air duct (4) being connected to flotation device (1), it is characterized in that: air duct (4) with
Blower (11) connection, fan bearing (7) are connect by shaft coupling (12) with driving motor bearing (9), in fan bearing (7) and are driven
It is respectively provided with temperature measurer (8) on dynamic motor bearings (9), temperature measurer (8) is connect with controller (6), controller (6) and alarm (5)
Connection, is arranged volume damper (3) and check valve (14) on air duct (4), and check valve (14) is arranged in volume damper (3)
Between flotation device (1), the pressure for monitoring air feed overpressure is set between volume damper (3) and blower (11) and is passed
Sensor (15), controller (6) are connect with pressure sensor (15), volume damper (3) respectively.
2. flotation device air supply device according to claim 1, it is characterized in that: the temperature measurer (8) is patch type thermometric
Instrument.
3. flotation device air supply device according to claim 1, it is characterized in that: temperature-sensitive is arranged on driving motor bearing (9)
Resistance (16), one end ground connection of thermistor, the other end of thermistor are connect with the non-inverting input terminal of the first amplifier D1, the
The non-inverting input terminal of one amplifier D1 is connect by first resistor R1 with+VCC, the reverse input end and first of the first amplifier D1
The output end of amplifier D1 connects, and the output end of the first amplifier D1 is defeated by second resistance R2 and the reverse phase of the second amplifier D2
Entering end connection, the reverse input end of the second amplifier D2 is connect by 3rd resistor R3 with the output end of the second amplifier D2, the
The in-phase output end of two amplifier D2 is connect with the sliding end of the first slide rheostat RB1, one end of the first slide rheostat RB1
The other end of ground connection, the first slide rheostat RB1 is connect by the 4th resistance R4 with the anode of voltage-stabiliser tube VS, and voltage-stabiliser tube VS's is negative
The anode of pole ground connection, voltage-stabiliser tube VS is connect by the 5th resistance R5 with+VCC, and the output end of the second amplifier D2 passes through the 6th electricity
Resistance R6 is connect with the inverting input terminal of third amplifier D3, and the anode of voltage-stabiliser tube VS connects with the non-inverting input terminal of the 4th amplifier D4
It connects, the inverting input terminal of the 4th amplifier D4 is connect with the output end of the 4th amplifier D4, and the output end of the 4th amplifier D4 is logical
The second slide rheostat RB2, third slide rheostat RB3 ground connection are crossed, the non-inverting input terminal of third amplifier D3 passes through the 7th electricity
Resistance R7 is connect with the output end of third amplifier D3, and third amplifier D3 is slided with phase import and export end by the 8th resistance R8, second
Dynamic rheostat RB2 is connect with the output end of the 4th amplifier D4, and the output end of third amplifier D3 passes through the 9th resistance R9 and three
The base stage of pole pipe VT1 connects, the grounded collector of triode VT1, and the emitter of triode VT1 is connected by relay and+VCC
It connects, relay K is in parallel with first diode VD1, and the normally-closed contact K-1 of relay K connects with driving motor (10).
4. flotation device air supply device according to claim 1, it is characterized in that: the height of flotation device (1) is higher than blower (11)
Height.
5. flotation device air supply device according to claim 1 or 4, it is characterized in that: the blower (11) is centrifugal wind
Machine.
6. flotation device air supply device according to claim 5, it is characterized in that: the air inlet (13) of blower (11) is arranged in wind
The top of machine (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820779932.4U CN208357044U (en) | 2018-05-24 | 2018-05-24 | A kind of flotation device air supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820779932.4U CN208357044U (en) | 2018-05-24 | 2018-05-24 | A kind of flotation device air supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208357044U true CN208357044U (en) | 2019-01-11 |
Family
ID=64929905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820779932.4U Active CN208357044U (en) | 2018-05-24 | 2018-05-24 | A kind of flotation device air supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208357044U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113546766A (en) * | 2021-07-28 | 2021-10-26 | 太原钢铁(集团)有限公司 | Anti-reverse-suction control method for oversized flotation machine |
-
2018
- 2018-05-24 CN CN201820779932.4U patent/CN208357044U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113546766A (en) * | 2021-07-28 | 2021-10-26 | 太原钢铁(集团)有限公司 | Anti-reverse-suction control method for oversized flotation machine |
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