CN103064306B - Control method of vertical stirring device of float glass factory - Google Patents
Control method of vertical stirring device of float glass factory Download PDFInfo
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- CN103064306B CN103064306B CN201210514232.XA CN201210514232A CN103064306B CN 103064306 B CN103064306 B CN 103064306B CN 201210514232 A CN201210514232 A CN 201210514232A CN 103064306 B CN103064306 B CN 103064306B
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Abstract
The invention relates to the field of electrical control technology, in particular to a control method of a vertical stirring device of a float glass factory. The control method is characterized in that a frequency changer is arranged on the vertical stirring device, and adjustment of stirring speed is achieved through changes of frequency of the frequency changer. A change-over switch is arranged in the control circuit of each stirring impeller, and the rotation direction of the stirring impellers is adjusted through changes of phase sequence of a three-phase power supply. A main starting and stopping button is arranged, a site emergency stopping button is independently arranged on every control circuit, a high-temperature resisting safe connecting device is arranged on a motor of each stirring impeller so as to facilitate power supply cutting off at the maintenance time of the stirring impellers. The control method fills the blank in the prior art, and each stirring impeller is provided with an independent control circuit and a change-over switch, and therefore the speed and the rotation direction of each impeller are independently controlled, and adjustment accuracy is high. To avoid secondary accidents, each stirring motor is provided with a high temperature resisting safe connecting device, and the safety coefficient is high.
Description
[technical field]
The present invention relates to mechanical electric control technology field, specifically a kind of control method of the vertical agitator for float glass factory.
[background technology]
At present, float glass factory major part still adopts common horizontal agitator, along with the scale of float glass factory is increasing, requires also more and more higher to product quality simultaneously, and common horizontal agitator can not meet the requirement of glass solution fusing homogeneity.
Therefore rectilinear glass liquid stirring device starts to be applied in float glass factory, vertical glass stirrer plays beating action in float glass process, improve a kind of equipment of glass solution fusing homogeneity, it is the specialized equipment carrying out forcing homogenizing to glass metal, by the paddle wheel of stirrer, the mechanical raking that stream produced by glass metal is eliminated or reduced the unvanquishable defect of natural homogenizing in glass melter, ensure the temperature homogeneity and the chemical uniformity that enter the glass metal of float glass tin bath, thus produce the float glass of optical property and excellent surface quality.
Because vertical agitator and common horizontal agitator are a kind of complete different physical construction, therefore control method also requires it is brand-new, and the stirring rate of vertical agitator can not be too slow specifically, and the homogenizing of too slow then glass metal is not obvious, does not have effect; The life-span of too fast then stirrer reduces greatly, and stirrer sense of rotation and precision have special requirement in technique simultaneously.
For above requirement, have devised a kind of vertical agitator control method, technological requirement can be met simple and reliable again.
[summary of the invention]
The object of the invention is to the blank filling up existing vertical agitator control technology, a kind of control method of the vertical agitator for float glass factory is provided.
For achieving the above object, design a kind of control method of the vertical agitator for float glass factory, comprise frequency converter, isolating switch, contactor, remote plug, heat temperature resistant safe connector, electrothermal relay, it is characterized in that:
A. in order to meet the anglec of rotation and speed adjustment requirement, vertical agitator is provided with a frequency converter, the principle utilizing branch road to change comes switch frequency converter and vertical agitator, drag whole paddle wheel work, meet paddle wheel to operate by the angle of initial setting up, make the anglec of rotation differ 90 degree, realized the adjustment of a whole set of stirrer stirring rate by the frequency changing frequency converter;
B. a switch is set in each paddle wheel control loop, first does not fill switch with last paddle wheel, the phase sequence of three-phase supply is changed by switch, thus the sense of rotation of adjustment paddle wheel, each stirring motor arranges a heat temperature resistant safe connector;
C. whole stirrer arranges a total start-stop button in controlling, each control loop arranges separately an on-the-spot emergency stop push button simultaneously, each paddle wheel motor arranges a heat temperature resistant safe connector, cut off the electricity supply when facilitating paddle wheel to overhaul, be provided with remote activation switch and remote activation signaling interface simultaneously, meet the function of Long-distance Control start and stop and governing speed.
Realize this control method and pass through following steps:
(1) check whole vertical agitator paddle wheel initial position and motor sense of rotation, make paddle wheel and motor sense of rotation correctly, meet technological requirement;
(2) when normally working, switch SF01 is switched to manual position, and manual operation main circuit breaker switch QL0 closes a floodgate, and manual operation button SF11 closes a floodgate, and main circuit of frequency converter is energized.
A. the speed provided according to technique arranges the corresponding frequency of frequency converter, and manual operation button SF0 closes a floodgate, and agitator motor starts, and proceeds to normal operation,
B., when needing change [2 ~ (n-1)] wherein number motor steering, the position of manually adjustment switch SA2 ~ SA (n-1), realizes motor antiport,
C. when one of them paddle wheel fault or when needing maintenance, manual operation stop button SSn makes corresponding paddle wheel stop,
D. when whole vertical agitator all will be stopped, manual operation stop button SS0 can complete parking;
(3) long-range start and stop stirrer: switch SF01 is switched to remote location, by remote signal module relay KA1, KA2 can realize the long-range on off control of whole vertical agitator, can realize remote adjustment by Central Control Room DCS remote analog amount signal to whole vertical agitator rotating speed.
The quantity of the Stirring motor controlled in this control method can be 4 ~ 10, i.e. n=(4 ~ 10).
In order to avoid when paddle wheel pulls out and the collision of other rotary blades, cause second accident, each stirring motor arranges a heat temperature resistant safe connector, all stirring motor control loops are connected with heat temperature resistant safe connector, when XS1-XSn wherein extract by any one connector, all stirring motors all stop.
The present invention has filled up the blank in prior art in vertical agitator control technology, vertical agitator can establish 2-5 to paddle wheel, each impeller has an independent control loop and switch, therefore the speed of each impeller and the control of sense of rotation are independent, utilize switch can change the phase sequence of three-phase supply in control loop, thus change turning to of impeller; Utilize the adjustment of frequency converter frequency, realize the impeller rotation velocity of adjustment stirrer, and the precision of adjustment is high; In order to avoid when certain impeller goes wrong, second accident is caused to other rotary blades, each stirring motor arranges a heat temperature resistant safe connector, all stirring motor control loops are connected with heat temperature resistant safe connector, when wherein any one connector is extracted, all stirring motors all can emergency stop, and avoid the generation of accident, safety coefficient is high.
[accompanying drawing explanation]
Fig. 1 is vertical agitator control principle drawing;
In figure
QL0 is major loop isolating switch; KM0 is major loop contactor; KM1-KMn is each branch road contactor;
UF is frequency converter; L is frequency converter reactor;
SF01 be long-range/manually boot switch; SA2-SA (n-1) is each branch road switch;
KH1-KHn is each branch protection electrothermal relay; XS1-XSn is each branch road heat temperature resistant safe connector;
SSn manual operation stop button; KA1, KA2 remote signal module relay;
1# ~ n# motor is vertical agitator stirring motor, and paddle wheel and stirring motor are fixed on same axle; Paddle wheel is identical with stirring motor sense of rotation.
[embodiment]
For making purpose of design of the present invention, control principle and method analysis clearer, existing by reference to the accompanying drawings and embodiment be further elaborated, its control method related to can realize for a person skilled in the art.
The vertical agitator be generally used in floatation glass production line has multiple paddle wheel, multiple paddle wheel speed of conventional agitator and to turn to be unified, be embodied in circuit aspect, namely multiple paddle wheel is controlled by a total control loop, its defect is that dirigibility is inadequate, cannot realize the superposition of multiple spinning movement; Therefore the present invention changes the circuit of traditional paddle wheel, be embodied in circuit aspect, as shown in Figure 1, namely each impeller has an independent control loop and switch, therefore the speed of each impeller and the control of sense of rotation are independent, utilize switch can change the phase sequence of three-phase supply in control loop, thus change turning to of impeller; Utilize the adjustment of frequency converter frequency, realize the impeller rotation velocity of adjustment stirrer.
Embodiment 1
The present embodiment comprises vertical agitator; 2-5 is equipped with to paddle wheel in the bottom of stirrer, and the top of paddle wheel is provided with bypass transmission motor, branch road heat temperature resistant safe connector, branch road switch, branch protection electrothermal relay, branch road contactor, starts the parts such as switch, frequency converter, frequency converter reactor, major loop contactor.
Its each component circuitry annexation as shown in Figure 1, quantity according to paddle wheel determines the quantity of controlling brancher, bypass transmission motor in every bar controlling brancher, branch road heat temperature resistant safe connector, branch road switch, branch protection electrothermal relay is cascaded structure, concrete example is said, one end of No. 2 driving motors connects No. 2 paddle wheels, the other end of No. 2 driving motors connects one end of branch road heat temperature resistant safe connector XS2, the other end of branch road heat temperature resistant safe connector XS2 connects the incoming end of branch road switch SA2, heat temperature resistant safe connector, cut off the electricity supply when facilitating paddle wheel to overhaul, the incoming end picking out end connection branch protection electrothermal relay KH2 of branch road switch SA2, the incoming end picking out end connection branch road contactor KM2 of branch protection electrothermal relay KH2, branch road contactor KM2 picks out the U that end connects the frequency converter UF in main circuit successively, V, W tri-input ends, be provided with between STF and the SD end of frequency converter UF and start switch SF01, the L1 of frequency converter UF, L2, L3 output terminal connects the input end of frequency converter reactor L successively, the output terminal of frequency converter reactor L connects major loop contactor KM0, the output terminal of major loop contactor KM0 connects major loop circuit breaker Q L0,
Each control loop all can an independent parking loop in parallel, and each parking loop is provided with an on-the-spot emergency stop push button as shown in Figure 1, is connected with a total start-stop button, stops in time when being convenient to be in an emergency in major loop.
Foregoing circuit is in practical operation, and step is:
1. debug.Before heating-up furnace, debugging is arranged to native system, check vertical agitator paddle wheel initial position and motor sense of rotation, make paddle wheel and motor sense of rotation correctly, meet technological requirement;
2. pre-preparation.Heating-up furnace terminate glass be melt into completely aqueous after, control system proceeds to duty, startup switch SF01 is switched to manual position, manual operation main circuit breaker switch QL0 closes a floodgate, manual operation button SF11 closes a floodgate, main circuit of frequency converter is energized, and checks whether whether correct, the on-the-spot high temperature safe connector in switch SA2-SAn position connects;
3. run well.
A. the speed provided according to technique arranges the corresponding frequency of frequency converter, and manual operation button SF0 closes a floodgate, and agitator motor starts, and proceeds to normal operation.
If when b. needing change [2 ~ (n-1)] wherein number motor steering, the position of manually adjustment switch SA2-SA (n-1), can realize motor antiport.
If c. one of them paddle wheel fault or need maintenance time, manual operation stop button SSn makes corresponding paddle wheel stop.
If d. whole vertical agitator all will be stopped, manual operation stop button SS0 can complete.
Embodiment 2
This control principle also can realize long-range start and stop stirrer, is namely also provided with remote activation switch and remote activation signaling interface in major loop, realizes the function of Long-distance Control start and stop and governing speed,
Concrete operation step is as follows:
1. debug.Before heating-up furnace, debugging is arranged to native system, check vertical agitator paddle wheel initial position and motor sense of rotation, make paddle wheel and motor sense of rotation correctly, meet technological requirement;
2. pre-preparation.Heating-up furnace terminate glass be melt into completely aqueous after, control system proceeds to duty, startup switch SF01 is switched to remote location, manual operation main circuit breaker switch QL0 closes a floodgate, manual operation button SF11 closes a floodgate, main circuit of frequency converter is energized, and checks whether whether correct, the on-the-spot high temperature safe connector in switch SA2-SAn position connects.
3. run well.
A. can realize the long-range on off control of whole vertical agitator by remote signal module relay KA1, KA2;
B. remote adjustment can be realized to whole vertical agitator rotating speed by Central Control Room DCS remote analog amount signal.
Be more than vertical agitator control method and the practical operation method of the present invention's design.
Claims (4)
1., for a control method for the vertical agitator of float glass factory, comprise frequency converter, isolating switch, contactor, remote plug, heat temperature resistant safe connector, electrothermal relay, it is characterized in that:
A. in order to meet the anglec of rotation and speed adjustment requirement, vertical agitator is provided with a frequency converter, whole paddle wheel work is dragged by switch frequency converter and vertical agitator, meet paddle wheel to operate by the angle of initial setting up, make the anglec of rotation differ 90 degree, realized the adjustment of a whole set of stirrer stirring rate by the frequency changing frequency converter;
B. a switch is set in each paddle wheel control loop, first does not fill switch with last paddle wheel, the phase sequence of three-phase supply is changed by switch, thus the sense of rotation of adjustment paddle wheel, each stirring motor arranges a heat temperature resistant safe connector;
C. whole stirrer arranges a total start-stop button in controlling, each control loop arranges separately an on-the-spot emergency stop push button simultaneously, each paddle wheel motor arranges a heat temperature resistant safe connector, cut off the electricity supply when facilitating paddle wheel to overhaul, be provided with remote activation switch and remote activation signaling interface simultaneously, meet the function of Long-distance Control start and stop and governing speed.
2. the control method of a kind of vertical agitator for float glass factory according to claim 1, is characterized in that this control method comprises the following steps:
(1) check whole vertical agitator paddle wheel initial position and motor sense of rotation, make paddle wheel and motor sense of rotation correctly, meet technological requirement;
(2) when normally working, switch SF01 is switched to manual position, and manual operation main circuit breaker switch QL0 closes a floodgate, and manual operation button SF11 closes a floodgate, and main circuit of frequency converter is energized,
A. the speed provided according to technique arranges the corresponding frequency of frequency converter, and manual operation button SF0 closes a floodgate, and agitator motor starts, and proceeds to normal operation,
B., when needing change [2 ~ (n-1)] wherein number motor steering, the position of manually adjustment switch SA2 ~ SA (n-1), realizes motor antiport,
C. when one of them paddle wheel fault or when needing maintenance, manual operation stop button SSn makes corresponding paddle wheel stop,
D. when whole vertical agitator all will be stopped, manual operation stop button SS0 can complete parking;
(3) long-range start and stop stirrer: switch SF01 is switched to remote location, by remote signal module relay KA1, KA2 can realize the long-range on off control of whole vertical agitator, can realize remote adjustment by Central Control Room DCS remote analog amount signal to whole vertical agitator rotating speed.
3. the control method of a kind of vertical agitator for float glass factory according to claim 1, is characterized in that the quantity of the Stirring motor that this control method comprises is 4 ~ 10, i.e. n=(4 ~ 10).
4. the control method of a kind of vertical agitator for float glass factory according to claim 1, it is characterized in that each stirring motor being arranged a heat temperature resistant safe connector, all stirring motor control loops are connected with heat temperature resistant safe connector, when XS1-XSn wherein extract by any one connector, all stirring motors all stop, when avoiding paddle wheel to pull out and the collision of other rotary blades, cause second accident.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210514232.XA CN103064306B (en) | 2012-12-04 | 2012-12-04 | Control method of vertical stirring device of float glass factory |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210514232.XA CN103064306B (en) | 2012-12-04 | 2012-12-04 | Control method of vertical stirring device of float glass factory |
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| CN103064306A CN103064306A (en) | 2013-04-24 |
| CN103064306B true CN103064306B (en) | 2015-02-25 |
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| CN201210514232.XA Active CN103064306B (en) | 2012-12-04 | 2012-12-04 | Control method of vertical stirring device of float glass factory |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407531A (en) | 2014-12-10 | 2015-03-11 | 中国建材国际工程集团有限公司 | Main transmission control method for glass factory |
| CN109550460B (en) * | 2019-01-25 | 2023-08-01 | 平湖旗滨玻璃有限公司 | Stirring system and control method thereof |
| CN110989536B (en) * | 2019-12-23 | 2021-08-27 | 苏州利华科技股份有限公司 | Remote intelligent start-stop control system and method for assembly line |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040208082A1 (en) * | 2002-12-23 | 2004-10-21 | Huang Joseph C. | Mixing device with variable speed drive and related control features |
| CN201878074U (en) * | 2010-12-23 | 2011-06-22 | 中国建材国际工程集团有限公司 | Variable frequency control device for float glass horizontal stirrer |
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- 2012-12-04 CN CN201210514232.XA patent/CN103064306B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040208082A1 (en) * | 2002-12-23 | 2004-10-21 | Huang Joseph C. | Mixing device with variable speed drive and related control features |
| CN201878074U (en) * | 2010-12-23 | 2011-06-22 | 中国建材国际工程集团有限公司 | Variable frequency control device for float glass horizontal stirrer |
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Denomination of invention: A control method of vertical agitator used in float glass plant Effective date of registration: 20220713 Granted publication date: 20150225 Pledgee: Putuo sub branch of Bank of Shanghai Co.,Ltd. Pledgor: China Triumph International Engineering Co.,Ltd. Registration number: Y2022310000123 |