CN105239100A - Quantitative buffer type feeding device of aluminum electrolysis cell - Google Patents
Quantitative buffer type feeding device of aluminum electrolysis cell Download PDFInfo
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- CN105239100A CN105239100A CN201510788626.8A CN201510788626A CN105239100A CN 105239100 A CN105239100 A CN 105239100A CN 201510788626 A CN201510788626 A CN 201510788626A CN 105239100 A CN105239100 A CN 105239100A
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Abstract
The invention discloses a quantitative buffer type feeding device of an aluminum electrolysis cell. The quantitative buffer type feeding device of the aluminum electrolysis cell comprises a discharging device arranged over an electrolysis cell hopper of the aluminum electrolysis cell, a conveying transmission device above the discharging device, and a power source connected with the discharging device and the conveying transmission device. The discharging device comprises a discharging hopper, a rotary weighing cone arranged at the bottom of the discharging hopper, and a discharging motor arranged on the outer side of the discharging hopper and connected with the rotary weighing cone and the power source; an accumulating preventing cone is arranged on the discharging hopper; a voltage-sensitive delay control circuit is arranged between the power source and the discharging motor. A compound buffer circuit is arranged at the output end of the power source. The quantitative buffer type feeding device of the aluminum electrolysis cell can well ensure accurate feeding of each time, greatly reduce material consumption and output of pollutants, well protect production equipment and prolong the service life of the equipment.
Description
Technical field
The invention belongs to aluminium cell and produce reinforced field, specifically referring to a kind of quantitative buffer-type feeding device of aluminium cell used when producing aluminium.
Background technology
At present, the developmental level in domestic Aluminium Electrolysis field lags far behind international average level, the maximum problem wherein existed is that production is seriously polluted, production equipment is short for work-ing life, energy consumption in production process and production means consumption seriously, so just greatly limit the development of China's electrolysis of aluminum industry.And cause as above problem very crucial reason to be exactly because the electrolysis of aluminum feeding device of China is comparatively simple and crude, its reinforced precision is lower, and be easy to produce a large amount of smoke pollutions when proportioning of preparing burden is improper, increase the weight of the cost of business processes flue gas, and a large amount of precipitations also can be produced when overcharge, not only the consumption of the resources of production adds, and also makes the output of solid pollutant become many, also can produce production unit simultaneously and corrode, greatly reduce the work-ing life of production unit.
Summary of the invention
The object of the invention is to overcome the problems referred to above; there is provided a kind of aluminium cell quantitative buffer-type feeding device, can be good at ensureing that each feeding in raw material can both be accurate, greatly reduce the consumption of material, the output of pollutent; well can also protect production unit, improve the work-ing life of equipment.
Object of the present invention is achieved through the following technical solutions:
The quantitative buffer-type feeding device of aluminium cell, comprises the blanking device directly over the electrolyzer hopper being arranged on aluminium cell, is arranged on the feeding transmitting device above blanking device, and the power supply be simultaneously connected with blanking device and feeding transmitting device; Described blanking device comprises hopper, the rotation be arranged on bottom hopper is weighed cone, to be arranged on outside hopper and the blanking motor of boring and being connected with power supply of weighing with rotation respectively, hopper is also provided with anti-accumulation cone, between power supply and blanking motor, is also provided with pressure-sensitive delay control circuit; The output terminal of power supply is also provided with composite buffering circuit.
Further, above-mentioned pressure-sensitive delay control circuit is by triode VT1, triode VT2, triode VT3, triode VT4, triode VT5, time-base integrated circuit IC1, relay K, electric motor M1, one end is connected with the pin 8 of time-base integrated circuit IC1 after voltage dependent resistor RT1, the other end is connected with the pin one of time-base integrated circuit IC1 after resistance R1, the slide rheostat RP1 that sliding end is connected with the base stage of triode VT1, positive pole is connected with the pin 5 of time-base integrated circuit IC1, the electric capacity C1 that negative pole is connected with the emtting electrode of triode VT2 after resistance R2, one end is connected with the collector electrode of triode VT2, the resistance R3 that the other end is connected with the pin 8 of time-base integrated circuit IC1, N pole is connected with the pin 8 of time-base integrated circuit IC1, the diode D1 that P pole is connected with the collector electrode of triode VT3, P pole is connected with the base stage of triode VT3, the diode D2 that N pole is connected with the negative pole of electric capacity C1, the resistance R4 be arranged in parallel with diode D2, negative pole is connected with the negative pole of electric capacity C1, the electric capacity C3 that positive pole is connected with the emtting electrode of triode VT5 after the normally opened contact K-1 of relay K, one end is connected with the base stage of triode VT4, the resistance R5 that the other end is connected with the positive pole of electric capacity C3, one end is connected with the base stage of triode VT4, the resistance R6 that the other end is connected with the negative pole of electric capacity C3, and positive pole is connected with the base stage of triode VT4, the electric capacity C4 that negative pole is connected with the collector electrode of triode VT5 forms, wherein, the emtting electrode of triode VT1 is connected with the base stage of triode VT2, the collector electrode of triode VT1 is connected with pin 6 with the pin two of time-base integrated circuit IC1 simultaneously, the pin 8 of time-base integrated circuit IC1 is connected with pin 4, the pin one of time-base integrated circuit IC1 is connected with the negative pole of electric capacity C1, the pin 3 of time-base integrated circuit IC1 is connected with the base stage of triode VT3, relay K is in parallel with diode D1, the emtting electrode of triode VT3 is connected with the negative pole of electric capacity C1, the collector electrode of triode VT4 is connected with the base stage of triode VT5, the emtting electrode of triode VT5 is connected with the N pole of diode D1, electric motor M1 is arranged between the emtting electrode of triode VT4 and the collector electrode of triode VT5, the input terminus of the N pole of diode D1 and the negative pole built-up circuit of electric capacity C1.
As preferably, described electric motor M1 is blanking motor, and voltage dependent resistor RT1 is arranged on rotation and weighs on cone, and the model of time-base integrated circuit IC1 is NE555, and another normally closed contact of relay K is arranged between composite buffering circuit and feeding transmitting device.
Further, above-mentioned composite buffering circuit is by operational amplifier P1, operational amplifier P2, operational amplifier P3, positive pole is connected with the positive input terminal of operational amplifier P1, the electric capacity C5 that negative pole is connected with the output terminal of operational amplifier P1, N pole is connected with the negative input end of operational amplifier P1, the diode D3 that P pole is connected with the output terminal of operational amplifier P1, P pole is connected with the N pole of diode D3, the diode D4 that N pole is connected with the positive input terminal of operational amplifier P3, positive pole is connected with the output terminal of operational amplifier P2 after resistance R8, the electric capacity C6 that negative pole is connected with the P pole of diode D4 after resistance R7, and one end is connected with the output terminal of operational amplifier P3, the resistance R9 that the other end is connected with the positive pole of electric capacity C6 forms, wherein, the output terminal of operational amplifier P1 is connected with the positive input terminal of operational amplifier P2, the negative input end of operational amplifier P2 is connected with the output terminal of this operational amplifier P2, the negative input end of operational amplifier P3 is connected with the output terminal of this operational amplifier P3, the positive input terminal of operational amplifier P1 forms the input terminus of this circuit with the N pole of diode D3 and is connected with the output terminal of power supply, and positive pole and the negative pole of electric capacity C6 form the output terminal of this circuit and be connected with the input terminus of pressure-sensitive delay control circuit and feeding transmitting device simultaneously.
As preferably, described triode VT1, triode VT2, triode VT3 and triode VT4 are NPN type triode, and triode VT5 is PNP type triode.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) blanking device that the present invention is arranged can carry out Quantitative dosing, substantially increase the accuracy of blanking, more meet the Production requirement of aluminium cell, better reduce the amount of pollutent in production process, avoid aluminium cell and be subject to too much erosion in process of production, improve the work-ing life of equipment.
(2) the present invention is provided with pressure-sensitive delay control circuit, can better hold the weight entering material in blanking device, and the stopping of the operation and feeding conveying belt that completing blanking motor according to weight of material controls, substantially increase the accuracy that product runs.
(3) the present invention is provided with composite buffering circuit, can be good at reducing power supply impact to the electric motor of blanking motor and feeding transmitting device when powering, and better protects the normal operation of equipment, further increases the work-ing life of equipment.
Accompanying drawing explanation
Fig. 1 is structure iron of the present invention.
Fig. 2 is the schematic circuit of the pressure-sensitive delay control circuit of the present invention.
Fig. 3 is the schematic circuit of composite buffering circuit of the present invention.
Accompanying drawing illustrates: 1, aluminium cell; 2, electrolyzer hopper; 3, blanking motor; 4, anti-accumulation cone; 5, blanking device; 6, cone of weighing is rotated; 7, feeding transmitting device; 8, power supply; 9, pressure-sensitive delay control circuit; 10, composite buffering circuit.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, the quantitative buffer-type feeding device of aluminium cell, comprise the blanking device 5 directly over the electrolyzer hopper 2 being arranged on aluminium cell 1, be arranged on the feeding transmitting device 7 above blanking device 5, and the power supply 8 be simultaneously connected with blanking device 5 and feeding transmitting device 7; Described blanking device 5 comprises hopper, the rotation be arranged on bottom hopper is weighed cone 6, to be arranged on outside hopper and respectively with the blanking motor 3 rotating cone 6 of weighing and be connected with power supply 8, hopper is also provided with anti-accumulation cone 4, between power supply 8 and blanking motor 3, is also provided with pressure-sensitive delay control circuit 9; The output terminal of power supply is also provided with composite buffering circuit 10.Wherein, feeding transmitting device 7 is travelling belt, and this travelling belt is driven by the motor be connected with power supply.
During work, material is sent in blanking device by feeding transmitting device, in order to prevent solid accumulation at the oral area of blanking device, the anti-accumulation cone of a taper is set at the oral area of blanking device, after material falls into blanking device, compressing rotation to be weighed cone, after pressure reaches set(ting)value, feeding transmitting device is out of service, and blanking electric machine control rotates cone Unscrew of weighing and falls into electrolyzer hopper by the material in blanking device, completes reinforced process.
As shown in Figure 2, pressure-sensitive delay control circuit by triode VT1, triode VT2, triode VT3, triode VT4, triode VT5, time-base integrated circuit IC1, relay K, electric motor M1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, voltage dependent resistor RT1, slide rheostat RP1, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, diode D1, and diode D2 forms.
During connection, one end of slide rheostat RP1 is connected with the pin 8 of time-base integrated circuit IC1 after voltage dependent resistor RT1, the other end is connected with the pin one of time-base integrated circuit IC1 after resistance R1, sliding end is connected with the base stage of triode VT1, the positive pole of electric capacity C1 is connected with the pin 5 of time-base integrated circuit IC1, negative pole is connected with the emtting electrode of triode VT2 after resistance R2, one end of resistance R3 is connected with the collector electrode of triode VT2, the other end is connected with the pin 8 of time-base integrated circuit IC1, the N pole of diode D1 is connected with the pin 8 of time-base integrated circuit IC1, P pole is connected with the collector electrode of triode VT3, the P pole of diode D2 is connected with the base stage of triode VT3, N pole is connected with the negative pole of electric capacity C1, resistance R4 and diode D2 is arranged in parallel, the negative pole of electric capacity C3 is connected with the negative pole of electric capacity C1, positive pole is connected with the emtting electrode of triode VT5 after the normally opened contact K-1 of relay K, one end of resistance R5 is connected with the base stage of triode VT4, the other end is connected with the positive pole of electric capacity C3, one end of resistance R6 is connected with the base stage of triode VT4, the other end is connected with the negative pole of electric capacity C3, the positive pole of electric capacity C4 is connected with the base stage of triode VT4, negative pole is connected with the collector electrode of triode VT5, wherein, the emtting electrode of triode VT1 is connected with the base stage of triode VT2, the collector electrode of triode VT1 is connected with pin 6 with the pin two of time-base integrated circuit IC1 simultaneously, the pin 8 of time-base integrated circuit IC1 is connected with pin 4, the pin one of time-base integrated circuit IC1 is connected with the negative pole of electric capacity C1, the pin 3 of time-base integrated circuit IC1 is connected with the base stage of triode VT3, relay K is in parallel with diode D1, the emtting electrode of triode VT3 is connected with the negative pole of electric capacity C1, the collector electrode of triode VT4 is connected with the base stage of triode VT5, the emtting electrode of triode VT5 is connected with the N pole of diode D1, electric motor M1 is arranged between the emtting electrode of triode VT4 and the collector electrode of triode VT5, the input terminus of the N pole of diode D1 and the negative pole built-up circuit of electric capacity C1.Described electric motor M1 is that blanking motor 3, voltage dependent resistor RT1 is arranged on rotation and weighs on cone 6, and the model of time-base integrated circuit IC1 is NE555, and another normally closed contact of relay K is arranged between composite buffering circuit 10 and feeding transmitting device 7.
During work, voltage dependent resistor changes self resistance along with the change of pressure, when pressure reaches set(ting)value, the composite amplifier saturation conduction be made up of triode VT1 and triode VT2, and then make the current potential decline of collector electrode of triode VT2 and the level of the pin two lower than time-base integrated circuit IC1, thus make the output terminal pin 3 of time-base integrated circuit IC1 in high level and turn-on transistor VT3, relay K obtains electric, the normally opened contact conducting of rly. and its normally closed contact disconnect, and then complete the operation of electric motor M1 and the power-off stoppage in transit process of feeding output band, when relay K obtains electric, its normally opened contact K-1 closes, electric capacity C3 charges, activate the complementary self-maintained circuit be made up of electric capacity C4, resistance R5, resistance R6, triode VT4 and triode VT5, thus electric motor M1 is run, and when K-1 disconnects again, by carrying out continued power to this complementary self-maintained circuit, the electricity in electric capacity C3 knows that the electricity in electric capacity C3 exhausts just stopping, thus well reach the object of delays time to control.
As shown in Figure 3, composite buffering circuit is by operational amplifier P1, and operational amplifier P2, operational amplifier P3, electric capacity C5, electric capacity C6, diode D3, diode D4, resistance R7, resistance R8, resistance R9 form.
During connection, the positive pole of electric capacity C5 is connected with the positive input terminal of operational amplifier P1, negative pole is connected with the output terminal of operational amplifier P1, the N pole of diode D3 is connected with the negative input end of operational amplifier P1, P pole is connected with the output terminal of operational amplifier P1, the P pole of diode D4 is connected with the N pole of diode D3, N pole is connected with the positive input terminal of operational amplifier P3, the positive pole of electric capacity C6 is connected with the output terminal of operational amplifier P2 after resistance R8, negative pole is connected with the P pole of diode D4 after resistance R7, one end of resistance R9 is connected with the output terminal of operational amplifier P3, the other end is connected with the positive pole of electric capacity C6, wherein, the output terminal of operational amplifier P1 is connected with the positive input terminal of operational amplifier P2, the negative input end of operational amplifier P2 is connected with the output terminal of this operational amplifier P2, the negative input end of operational amplifier P3 is connected with the output terminal of this operational amplifier P3, the positive input terminal of operational amplifier P1 forms the input terminus of this circuit with the N pole of diode D3 and is connected with the output terminal of power supply, and positive pole and the negative pole of electric capacity C6 form the output terminal of this circuit and be connected with the input terminus of pressure-sensitive delay control circuit 9 and feeding transmitting device 7 simultaneously.
Described triode VT1, triode VT2, triode VT3 and triode VT4 are NPN type triode, and triode VT5 is PNP type triode.
As mentioned above, just well the present invention can be realized.
Claims (5)
1. the quantitative buffer-type feeding device of aluminium cell, it is characterized in that: comprise the blanking device (5) directly over the electrolyzer hopper (2) being arranged on aluminium cell (1), be arranged on the feeding transmitting device (7) of blanking device (5) top, and the power supply (8) be simultaneously connected with blanking device (5) and feeding transmitting device (7); Described blanking device (5) comprises hopper, the rotation be arranged on bottom hopper is weighed cone (6), and to be arranged on outside hopper and to weigh with rotation respectively and bore the blanking motor (3) that (6) be connected with power supply (8); Hopper is also provided with anti-accumulation cone (4), between power supply (8) and blanking motor (3), be also provided with pressure-sensitive delay control circuit (9), and be also provided with composite buffering circuit (10) on the output terminal of power supply (8).
2. the quantitative buffer-type feeding device of aluminium cell according to claim 1, it is characterized in that: described composite buffering circuit (10) is by operational amplifier P1, operational amplifier P2, operational amplifier P3, positive pole is connected with the positive input terminal of operational amplifier P1, the electric capacity C5 that negative pole is connected with the output terminal of operational amplifier P1, N pole is connected with the negative input end of operational amplifier P1, the diode D3 that P pole is connected with the output terminal of operational amplifier P1, P pole is connected with the N pole of diode D3, the diode D4 that N pole is connected with the positive input terminal of operational amplifier P3, positive pole is connected with the output terminal of operational amplifier P2 after resistance R8, the electric capacity C6 that negative pole is connected with the P pole of diode D4 after resistance R7, and one end is connected with the output terminal of operational amplifier P3, the resistance R9 that the other end is connected with the positive pole of electric capacity C6 forms, wherein, the output terminal of operational amplifier P1 is connected with the positive input terminal of operational amplifier P2, the negative input end of operational amplifier P2 is connected with the output terminal of this operational amplifier P2, the negative input end of operational amplifier P3 is connected with the output terminal of this operational amplifier P3, the positive input terminal of operational amplifier P1 forms the input terminus of this circuit with the N pole of diode D3 and is connected with the output terminal of power supply, positive pole and the negative pole of electric capacity C6 form the output terminal of this circuit and are connected with the input terminus of pressure-sensitive delay control circuit (9) and feeding transmitting device (7) simultaneously.
3. the quantitative buffer-type feeding device of aluminium cell according to claim 2, it is characterized in that: described pressure-sensitive delay control circuit 9 is by triode VT1, triode VT2, triode VT3, triode VT4, triode VT5, time-base integrated circuit IC1, relay K, electric motor M1, one end is connected with the pin 8 of time-base integrated circuit IC1 after voltage dependent resistor RT1, the other end is connected with the pin one of time-base integrated circuit IC1 after resistance R1, the slide rheostat RP1 that sliding end is connected with the base stage of triode VT1, positive pole is connected with the pin 5 of time-base integrated circuit IC1, the electric capacity C1 that negative pole is connected with the emtting electrode of triode VT2 after resistance R2, one end is connected with the collector electrode of triode VT2, the resistance R3 that the other end is connected with the pin 8 of time-base integrated circuit IC1, N pole is connected with the pin 8 of time-base integrated circuit IC1, the diode D1 that P pole is connected with the collector electrode of triode VT3, P pole is connected with the base stage of triode VT3, the diode D2 that N pole is connected with the negative pole of electric capacity C1, the resistance R4 be arranged in parallel with diode D2, negative pole is connected with the negative pole of electric capacity C1, the electric capacity C3 that positive pole is connected with the emtting electrode of triode VT5 after the normally opened contact K-1 of relay K, one end is connected with the base stage of triode VT4, the resistance R5 that the other end is connected with the positive pole of electric capacity C3, one end is connected with the base stage of triode VT4, the resistance R6 that the other end is connected with the negative pole of electric capacity C3, and positive pole is connected with the base stage of triode VT4, the electric capacity C4 that negative pole is connected with the collector electrode of triode VT5 forms, wherein, the emtting electrode of triode VT1 is connected with the base stage of triode VT2, the collector electrode of triode VT1 is connected with pin 6 with the pin two of time-base integrated circuit IC1 simultaneously, the pin 8 of time-base integrated circuit IC1 is connected with pin 4, the pin one of time-base integrated circuit IC1 is connected with the negative pole of electric capacity C1, the pin 3 of time-base integrated circuit IC1 is connected with the base stage of triode VT3, relay K is in parallel with diode D1, the emtting electrode of triode VT3 is connected with the negative pole of electric capacity C1, the collector electrode of triode VT4 is connected with the base stage of triode VT5, the emtting electrode of triode VT5 is connected with the N pole of diode D1, electric motor M1 is arranged between the emtting electrode of triode VT4 and the collector electrode of triode VT5, the input terminus of the N pole of diode D1 and the negative pole built-up circuit of electric capacity C1.
4. the quantitative buffer-type feeding device of aluminium cell according to claim 3, it is characterized in that: described electric motor M1 is blanking motor (3), voltage dependent resistor RT1 is arranged on rotation and weighs on cone (6), the model of time-base integrated circuit IC1 is NE555, and another normally closed contact of relay K is arranged between composite buffering circuit (10) and feeding transmitting device (7).
5. the quantitative buffer-type feeding device of aluminium cell according to claim 4, it is characterized in that: described triode VT1, triode VT2, triode VT3 and triode VT4 are NPN type triode, triode VT5 is PNP type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510788626.8A CN105239100A (en) | 2015-11-17 | 2015-11-17 | Quantitative buffer type feeding device of aluminum electrolysis cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510788626.8A CN105239100A (en) | 2015-11-17 | 2015-11-17 | Quantitative buffer type feeding device of aluminum electrolysis cell |
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| Publication Number | Publication Date |
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| CN105239100A true CN105239100A (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510788626.8A Withdrawn CN105239100A (en) | 2015-11-17 | 2015-11-17 | Quantitative buffer type feeding device of aluminum electrolysis cell |
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| Country | Link |
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| CN (1) | CN105239100A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200967840Y (en) * | 2006-11-03 | 2007-10-31 | 云南铝业股份有限公司 | On-line metering device for aluminum oxide transportation |
| WO2009026784A1 (en) * | 2007-08-23 | 2009-03-05 | China Aluminum International Engineering Corporation Limited | Material fluidizing feed apparatus |
| CN101968660A (en) * | 2010-09-14 | 2011-02-09 | 北京宏泰华尊测控技术有限公司 | Aluminum oxide metering control processing system |
-
2015
- 2015-11-17 CN CN201510788626.8A patent/CN105239100A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200967840Y (en) * | 2006-11-03 | 2007-10-31 | 云南铝业股份有限公司 | On-line metering device for aluminum oxide transportation |
| WO2009026784A1 (en) * | 2007-08-23 | 2009-03-05 | China Aluminum International Engineering Corporation Limited | Material fluidizing feed apparatus |
| CN101968660A (en) * | 2010-09-14 | 2011-02-09 | 北京宏泰华尊测控技术有限公司 | Aluminum oxide metering control processing system |
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Application publication date: 20160113 |
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