CN204149333U - A kind of gypsum board manufacture batching control system - Google Patents
A kind of gypsum board manufacture batching control system Download PDFInfo
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- CN204149333U CN204149333U CN201420530204.1U CN201420530204U CN204149333U CN 204149333 U CN204149333 U CN 204149333U CN 201420530204 U CN201420530204 U CN 201420530204U CN 204149333 U CN204149333 U CN 204149333U
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Abstract
A kind of gypsum board manufacture batching control system, described control system at least comprises control device and multiple control point, and described control device connects multiple control point respectively, and described multiple control point comprises: mixer control point; Siccative feed system control point; Liquid material feed system control point; Foam generating system control point; Discharge system control point.Not only complete the control of feed proportioning system, and by the belt that former drying and cutting system control, the control point of roller-way is also attributed to batching control system to control, eliminate the control system cut off with drying system, control is counted and is redistributed, and optimizes system, also saves cost.
Description
Technical field
Relate to industrial automation, especially a kind of gypsum board manufacture batching control system.
Background technology
It is reasonable not that existing gypsum board manufacture feed proportioning system is arranged, and production efficiency is not high, and control point design is unreasonable.
The technical process of gypsum board manufacture is:
Get the raw materials ready:
Modified starch, slow setting machine, paper pulp, water reducer, water are put into hydrabrusher and are stirred into raw material slurry after measuring fixed amount, are then transported to slip conservation tank for subsequent use;
Blowing agent and water drop into blowing agent preparation tank in proportion and stir, and are transported to blowing agent conservation tank (band heater, keeps more than 35 DEG C) for subsequent use;
Thistle board needs bubble in process of production, makes fermentation Thistle board, can reduce the weight of unit are plasterboard, improves heat-insulating property, saves land plaster and other various auxiliary materials.
Existing plasterboard foaming unit comprises storage tank, foam device, liquid blowing agent is housed in storage tank, is transported in foam device, delivers into the gas and vapor permeation of foam device with outside, foaming.After producing bubble, bubble outputs to outside mixer.
Existing annual output 3000 ten thousand square meter gypsum sheet material line production system is mainly divided into batching with formation system according to production technology characteristic and production-line arrangement situation, cuts off and drying system etc.Set up separately dry and cutting-off controlling system, waste cost.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of gypsum board manufacture batching control system,
Described control system 5 at least comprises control device 5000 and multiple control point, and control device 5000 is connected respectively with between multiple control point; Described multiple control point comprises:
Mixer control point 50;
Siccative feed system control point 51;
Liquid material feed system control point 52;
Foam generating system control point 53;
Discharge system control point 54.
Not only complete the control of feed proportioning system, and by the belt that former drying and cutting system control, roller-way, control point be also attributed to batching control system and control, eliminate and cut off and back tender action control system, control to count and redistributes, optimize system, also save cost.
Alternatively, described mixer control point 50 comprises the frequency converter 503 driving stirring motor 502.
Alternatively, described siccative feed system 1 comprises the first belt conveyer 11 of conveying land plaster, for carrying the second belt conveyer 12 of coagulant;
Described siccative feed system control point 51 comprises the first frequency converter 511 of driving first motor 510, and the second frequency converter 513 of driving second motor 512, and described first motor 510 is for driving the first belt conveyer 11; , described second motor 512 is for driving the second belt conveyer 12.
Alternatively, described liquid material feed system 2 comprises slip storage device 20, drops into the water pump 21 of water in slip storage device 20; And slip is transported to the slip motor 22 of mixer from slip storage device 20;
The control point 52 of described liquid material feed system comprises the 3rd frequency converter 520 driving described water pump 21, and the 4th frequency converter 521 of driving and slip motor 22.
Alternatively, described foam generating system 3 comprises
Foam-making apparatus 30, injects the air compressor 31 of air in foam-making apparatus, and in foam-making apparatus, inject the measuring pump 32 of blowing agent;
Described foam generating system control point 53 comprises, and drives the 5th frequency converter 530 of described air compressor 31 and drives the 6th frequency converter 531 of described measuring pump 32.
Alternatively, described discharge system 4 exports with described mixer 501 and is connected, described discharge system 4 comprises belt 40, forming machine 41, roller-way 42, the outlet of described mixer 501 is connected by described belt 40 with the entrance of described forming machine 41, slip on described belt 40 enters after described forming machine 41 becomes plasterboard, export from described forming machine 41 and export, through roller-way 42, enter into outside drying system;
Described discharge system control point 54 comprises the 7th frequency converter 541 of driving the 4th motor 540; 4th motor 540 moves for driving described belt 40;
Drive the 8th frequency converter 543 of the 5th motor 542; 5th motor 542 rotates for driving described roller-way 42;
For measuring the velocity sensor 546 of described belt speed.
Alternatively, described stirring motor 502 and the frequency converter 503 driving stirring motor 502, described first frequency converter 511 and the first motor 510, second frequency converter 513 and the second motor 512, 3rd frequency converter 520 and water pump 21, 4th frequency converter 521 and slip motor 22, air compressor 31 and the 5th frequency converter 530, measuring pump and the 6th frequency converter, 4th motor 540 and the 7th frequency converter 541, the connection main circuit of the 5th motor 542 and the 8th frequency converter 543 is also respectively arranged with fuse, isolating switch, breaker, contactor, input reactance device, input filter, out put reactor, output filter, electrothermal relay.
Accompanying drawing explanation
Fig. 1 is the simplified diagram of feed proportioning system;
Fig. 2 is the structure chart of feed proportioning system;
Fig. 3 is the schematic diagram be connected with each control point by control device by bus.
Detailed description of the invention
Below in conjunction with drawings and Examples, the technical solution of the utility model is described in detail.
Fig. 1 is the simplified diagram of feed proportioning system.
Described control system 5 at least comprises control device 5000 and multiple control point, and connected by bus 500 or cable between control device 5000 and multiple control point, described multiple control point comprises:
Mixer control point 50;
Siccative feed system control point 51;
Liquid material feed system control point 52;
Foam generating system control point 53;
Discharge system control point 54.
Not only complete the control of feed proportioning system, and by the belt that former drying and cutting system control, the control point of roller-way is also attributed to feed proportioning system, eliminates and cut off and back tender action control system, controlling counts redistributes, and optimizes system, also saves cost.
Ingredient station simplified summary is three parts, a part is in mixer by the slurry pipeline transport in slip conservation tank, two is that the foam foamed in conservation tank is transported in mixer, three is by siccative, namely gesso and coagulant are transported in mixer, for the conveying of siccative, be generally carried by belt conveyer scale.
Fig. 2 is the structure chart of feed proportioning system;
Alternatively, described mixer control point 50 comprises the frequency converter 503 driving stirring motor 502, and described stirring motor 502 rotates (not indicating 502 and 503 in Fig. 2) for driving mixer 501.
Alternatively, described siccative feed system 1 comprises the first belt conveyer 11 of conveying land plaster, for carrying the second belt conveyer 12 of coagulant;
Described siccative feed system control point 51 comprises the first frequency converter 511 of driving first motor 510 and drives the second frequency converter 513 of the second motor 512, and described first motor 510 is for driving the first belt conveyer 11; Described second motor 512 is for driving the second belt conveyer 12.
Siccative feed system 1 provides solid-state dried feed to described mixer 501.
Alternatively, described liquid material feed system 2 comprises slip storage device 20, drops into the water pump 21 of water in slip storage device 20, and slip is transported to the slip motor 22 of mixer from slip storage device 20;
The control point 52 of described liquid material feed system comprises the 3rd frequency converter 522 driving described water pump 21; And the 4th frequency converter 521 driving described slip motor 22 to be connected.
Described liquid material feed system 2 provides liquid material to mixer 501.
For the conveying of slip, the application adopts measuring pump to control flow and flow velocity, is called slip measuring pump, also weighing slurry motor 22, and it controls rotating speed by frequency converter 521.
Alternatively, described foam generating system 3 comprises:
Foam-making apparatus 30, injects the air compressor 31 of air in foam-making apparatus, and injects the measuring pump 32 of blowing agent in foam-making apparatus 30;
Described foam generating system control point 53 comprises, and drives the 5th frequency converter 530 of air compressor 31, drives the 6th frequency converter 531 of measuring pump 32.
Air compressor machine 31 and the 5th frequency converter 530 can substitute with adopting the frequency conversion type air compressor machine of integral type.
Air compressor machine 32 and the 5th frequency converter 530 can be combined as a whole by integral type frequency conversion air compressor, can save cost.Its specific works principle is the application do not repeat.
Foam generating system provides foam to mixer 501.
For the control of foam, the application controls to enter the flow of the liquid blowing agent of foam-making apparatus 30 and the flow of gas; Namely control the flow of liquid blowing agent with measuring pump 32, with air compressor, be called for short the flow that air compressor machine 31 controls gas.
Measuring pump a kind ofly can meet various strict technological process needs, flow can within the scope of 0-100% step-less adjustment, be used for carrying liquid (particularly corrosive liquids) a kind of special displacement pump.Measuring pump also claims constant displacement pump or proportioning pump.Measuring pump belongs to reciprocating displacement pump, for accurate measurement, usually require the steady state accuracy of measuring pump be no more than ± 1%.Along with modernization industry is towards the development of automation mechanized operation, this situation of far distance automatic controlling, the matching of measuring pump is strong, adapt to medium (liquid) widely advantage particularly seem outstanding.
Flow-rate adjustment, can manual adjustments, also can variable frequency adjustment.
The Flow-rate adjustment of pump is by rotating adjusting handle, drives adjusting screw(rod) to rotate, thus changes the spacing between arcuate connecting rod, change the size that plunger (piston) shift motion in pump chamber decides flow.The scale of adjusting handle determines ram travel, and accurate rate is 95%.
Alternatively, described discharge system 4 exports with mixer 501 and is connected, described discharge system 4 comprises belt 40, forming machine 41, roller-way 42, the outlet of described mixer 501 is connected by described belt 40 with the entrance of described forming machine 41, slip on described belt 40 enters after described forming machine 41 becomes plasterboard and exports output from described forming machine 41, through roller-way 42, (be illustrated by the broken lines in Fig. 3 " annexation " of forming machine and roller-way, because forming machine is not directly associated with roller-way, just plasterboard exports out afterwards through roller-way from forming machine, so represented by dashed line) finally enter into the drying system of feed proportioning system outside,
Described discharge system control point 54 comprises: drive the 7th frequency converter the 541, four motor 540 of the 4th motor 540 to move for driving described belt 40,
Drive the 8th frequency converter 543 of the 5th motor 542; 5th motor 542 rotates for driving roller-way 42;
For measuring the velocity sensor 546 of described belt speed.
Velocity sensor 546, for detecting the speed of belt, being converted to the signal of telecommunication and flowing to described control device by rate signal.
The measurement of belt speed has multiple way, generally with velocity sensor, velocity sensor 546 is connected directly between on follower rollers or major diameter cylinder, guarantees so reliably to contact with belt, eliminate the harmful effect that the factors such as belt creep produce velocity sensor.Velocity sensor 546 can be non-carbon brush type alternating-current pulse generator, and it sends a series of pulse, and each pulse represents a unit of belt stroke, and pulse frequency and belt speed are directly proportional.Be connected on special speed measuring drum, the velocity error that belt creep produces can be eliminated.Adopt cast aluminium shell, there is good shielding, closure, be applicable to outdoor installation.
Alternatively, described stirring motor 502 and the frequency converter 503 driving stirring motor 502, first frequency converter 511 and the first motor 510, second frequency converter 513 and the second motor 512,3rd frequency converter 520 and water pump 21,4th frequency converter 521 and slip motor 22, air compressor 31 and the 5th frequency converter 530, measuring pump 32 and the 6th frequency converter 531; 4th motor 540 and the 7th frequency converter 541; The connection main circuit of the 5th motor 542 and the 8th frequency converter 543 is also respectively arranged with fuse, isolating switch, breaker, contactor, input reactance device, input filter, out put reactor, output filter, electrothermal relay.
Between frequency converter and electrical network, comprise the transformer be connected successively, fuse, isolating switch, breaker, contactor, input reactance device, input filter, about transformer, is not the transformer that each frequency converter arranges separately a power supply, such cost is too high, a workshop can arrange the transformer of a power supply, or arranges several transformers, and concrete condition depends on the circumstances.
On main circuit between frequency converter and motor or air compressor machine or measuring pump, following element can be set gradually:
Out put reactor, output filter, electrothermal relay.
Direction between frequency converter and grid side transformer from electrical network to frequency converter, generally sets gradually
Fuse, isolating switch, breaker, contactor,
Fuse, also known as fuse, fuse; a kind of disposable elements be connected in order to protection circuit on circuit, when circuit power on flow through large time, make metal wire wherein or sheet produce high temperature and fuse; cause opening a way and interruptive current, avoid coming to harm with protection circuit.The fuse manually more renewed is needed to resume operation to make circuit after old blown fuse.Fuse is a kind of overcurrent protective device.
Isolating switch is that structure is simple, widely used manual electrical equipment, for infrequently connecting in low-voltage circuit or segment circuit or the isolation for circuit and power supply.For guaranteeing the safety of maintenance or maintenance personnel.For the selection of this kind of switch, can according to the voltage in circuit, the environment for use of rated current and frequency converter considers.
Breaker is condition according to the rules, and to power distribution circuit, motor or other electrical equipments are carried out make-break operation and occurred overload at circuit, can the device for switching of automatic segmentation electric circuit protection equipment when short circuit or the fault such as under-voltage.
Breaker is by contact system, and arc-control device, various electrical apparatus release and operating mechanism form.
Contactor is a kind of automatic switchover electrical equipment for remote frequently connection and disjunction alternating current-direct current main circuit and Large Copacity control circuit.Contactor control capability is large, is applicable to frequent operation and far distance controlled.It is one of critical elements in automatic control system.The contactor of more than 20 amperes is added with arc-extinguish chamber, and the electromagnetic force produced when utilizing circuit to disconnect, breaks electric arc fast, protection contact.Contact utensil can high frequencies of operation, can reach 1200 times per hour as ﹐ the highest operating frequency when electric power starting and cutting-off controlling.The service life of contactor is very high, is generally millions of mechanical life to 10,000,000 times, and electric life is then generally hundreds thousand of times to millions of times.
Electrothermal relay is a kind of for motor or other electric equipments, the protective device of the overload protection of electric wiring.Flow into the current generates heat of thermal element.Make the bimetal leaf generation deformation with the different coefficient of expansion, when deformation reaches certain distance, just promote connecting rod action, be that control circuit disconnects, thus make contactor dead electricity.Main circuit disconnects, and realizes the overload protection of motor, open-phase protection, current imbalance running protection etc.
Out put reactor, is also frequency converter out put reactor, the voltage build-up rate on the capacitive charging current and motor winding of limiting motor stube cable.Also for passivation frequency converter output voltage steepness.
Input reactance device, is also frequency converter input reactance device, for limiting the voltage drop of grid side, harmonic inhabitation.The rush of current that the operation of restriction grid side produces.
Frequency converter input filter is the one of frequency converter special filter, and its effect mainly comprises the following aspects: the higher hamonic wave suppressing frequency converter to produce, prevents frequency converter disturbed, improves system power factor, alleviates three-phase imbalance.
Inverter output filters is the one of frequency converter special filter, is arranged between the outlet side of frequency converter and motor, for reducing the higher hamonic wave layer in output current of frequency converter, suppresses the surge voltage of the outlet side of frequency converter.
The model of frequency converter is many; between frequency converter from motor, the length of stube cable is different; varying in size of the output frequency of frequency converter; therefore when arranging the components and parts of protection circuit; selectively can arrange according to actual conditions; not necessarily arrange, some peripheral circuit can omit need not comprehensively.
Connecting line between frequency converter and motor, length does not generally exceed 100 meters, otherwise, the peak current that the excessive inductance capacitance that cable produces is formed, easily cause the power output switching device of frequency converter to disconnect and produce excessive peak current instantaneously, frequency converter internal components may be damaged.Compensate if install reactor at the outlet side of frequency converter, line can be solved long and cause the problem of peak current.
Described first frequency converter 511, second frequency converter 513, the 3rd frequency converter 520, the 4th frequency converter 521, the 5th frequency converter 530, the 6th frequency converter 531, the 7th frequency converter 541, the 8th frequency converter 543,5 signal input parts and described control device 500 are by wire or control cable and be connected, and control cable does not herein comprise bus.
Described control cable is that twisted-pair feeder adds shielding line structure.The twisted-pair feeder of shielding line, is also Shielded Twisted Pair, and line has net metal screen layer to outside, can be better anti-interference.
The cross-sectional area scope of described control cable is 0.3 ~ 0.75 square millimeter.
Described control line is from described main circuit more than 100 meters.
Fig. 3 is the schematic diagram be connected with each control point by control device 5000 by bus 500.
Control point comprises described first frequency converter 511, is connected with the first motor 510;
Second frequency converter 513, is connected with the second motor 512;
3rd frequency converter 520, is connected with water pump 21;
4th frequency converter 521, is connected with slip motor 22;
5th frequency converter 530, is connected with air compressor 31;
6th frequency converter 531, is connected with measuring pump 32;
7th frequency converter 541, is connected with the 4th motor 540;
8th frequency converter 543, is connected with the 5th motor 542;
Drive the frequency converter 503 of stirring motor 502;
Also speed sensor 546.
Each control point is connected in bus 500, is connected with control device 5000 by bus 500.
Bus 500 can adopt DeviceNET fieldbus.
DeviceNET fieldbus is as a kind of opening, the Networking Solutions & provisioned of low cost, by control device, temperature sensor, frequency converter on each node, couple together Deng field apparatus, decrease I/O interface and wiring quantity, achieve networking and the telemanagement of industrial equipment, compared with other fieldbus, it also has high reliability, flexibility and real-time
Its network maximumly can reach 64 node address, the I/O of each node support does not limit, each node device can unify distribution by network, holding wire and power line are all in main line, (be generally 5 lines in cable, two power lines, voltage difference is 24V, two holding wires, a shielding line); Support gating, poll, circulation, the data transfer mode of state change and applications trigger; Support point-to-point, many main or master-slave communication mechanisms; Etc..
Certainly, can also host computer be set, by fieldbus Device NET connection control device 5000.
Can also touch-screen be set, carries out communication by bus Device NET and control device 5000.
The control device 5000 of feed proportioning system can also pass through the host computer of DeviceNET bus and central control room, or make supervisory control comuter carry out communication, real-time condition is reported to host computer, in addition, batching section can also arrange touch-screen, by DeviceNET bus and control device communication, Central Control Room also can arrange display screen, or touch-screen, communication is carried out by bus DeviceNET and host computer, the key parameter of display batching section, such as Main Line Speed, the rotating speed etc. of material drive motors.
At Central Control Room touch-screen or ingredient station touch-screen, configuration software can also be installed, make whole technical process more visual in image.
Configuration software can be carried in general touch-screen.
Certainly; the utility model also can have other various embodiments; when not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the utility model, but these change accordingly and are out of shape the protection domain that all should belong to claim of the present utility model.
Claims (7)
1. a gypsum board manufacture batching control system, is characterized in that, described control system at least comprises control device and multiple control point, and described control device connects multiple control point respectively, and described multiple control point comprises:
Mixer control point;
Siccative feed system control point;
Liquid material feed system control point;
Foam generating system control point;
Discharge system control point.
2. the system as claimed in claim 1, is characterized in that, described mixer control point comprises the frequency converter driving stirring motor.
3. the system as claimed in claim 1, is characterized in that, described siccative feed system comprises the first belt conveyer of conveying land plaster, for carrying the second belt conveyer of coagulant;
Described siccative feed system control point comprises the first frequency converter of driving first motor and drives the second frequency converter of the second motor, and described first motor is for driving the first belt conveyer, and described second motor is for driving the second belt conveyer.
4. the system as claimed in claim 1, is characterized in that, described liquid material feed system comprises slip storage device, drops into the water pump of water in slip storage device, and slip is transported to the slip motor of mixer from slip storage device;
The control point of described liquid material feed system comprises the 3rd frequency converter driving described water pump, and drives the 4th frequency converter of described slip motor.
5. the system as claimed in claim 1, is characterized in that, described foam generating system comprises foam-making apparatus, in foam-making apparatus, injects the air compressor of air, and in foam-making apparatus, inject the measuring pump of blowing agent; Described foam generating system control point comprises: drive the 5th frequency converter of described air compressor and drive the 6th frequency converter of described measuring pump.
6. the system as claimed in claim 1, it is characterized in that, described discharge system exports with mixer and is connected, comprise belt, forming machine and roller-way, the outlet of described mixer is connected by described belt with the entrance of described forming machine, and the slip on described belt enters after described forming machine becomes plasterboard and exports from described forming machine outlet, after roller-way transmits, enter into the drying system of described feed proportioning system outside;
Described discharge system control point comprises:
Drive the 7th frequency converter of the 4th motor, described 4th motor is for driving described belt movement;
Drive the 8th frequency converter of the 5th motor, described 5th motor rotates for driving described roller-way; And
For measuring the velocity sensor of described belt speed.
7. the system as described in as arbitrary in claim 3 to 6, it is characterized in that, described stirring motor and the frequency converter driving stirring motor, first frequency converter and the first motor, second frequency converter and the second motor, 3rd frequency converter and water pump, 4th frequency converter and slip motor, air compressor and the 5th frequency converter, measuring pump and the 6th frequency converter, 4th motor and the 7th frequency converter, the connection main circuit of the 5th motor and the 8th frequency converter is also respectively arranged with fuse, isolating switch, breaker, contactor, input reactance device, input filter, out put reactor, output filter, electrothermal relay.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420530204.1U CN204149333U (en) | 2014-09-15 | 2014-09-15 | A kind of gypsum board manufacture batching control system |
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| CN201420530204.1U CN204149333U (en) | 2014-09-15 | 2014-09-15 | A kind of gypsum board manufacture batching control system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774135A (en) * | 2017-01-16 | 2017-05-31 | 北新集团建材股份有限公司 | A kind of control method of plasterboard automatic blending |
| CN107132871A (en) * | 2017-05-31 | 2017-09-05 | 重庆金山医疗器械有限公司 | Circuit control system for capsule attitude controller |
| WO2018196165A1 (en) * | 2017-04-24 | 2018-11-01 | 北新集团建材股份有限公司 | Control method of gypsum board shaping system |
| CN108726147A (en) * | 2017-04-24 | 2018-11-02 | 北新集团建材股份有限公司 | A kind of desulfurated plaster uniformly adds feeding system and method |
| WO2020155586A1 (en) * | 2019-01-30 | 2020-08-06 | 北新集团建材股份有限公司 | Gypsum slurry foaming processing method and device |
| CN114625049A (en) * | 2022-03-18 | 2022-06-14 | 重庆市机电设计研究院有限公司 | Nail shooting and balling work control circuit and work method thereof |
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2014
- 2014-09-15 CN CN201420530204.1U patent/CN204149333U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774135A (en) * | 2017-01-16 | 2017-05-31 | 北新集团建材股份有限公司 | A kind of control method of plasterboard automatic blending |
| WO2018196165A1 (en) * | 2017-04-24 | 2018-11-01 | 北新集团建材股份有限公司 | Control method of gypsum board shaping system |
| CN108726147A (en) * | 2017-04-24 | 2018-11-02 | 北新集团建材股份有限公司 | A kind of desulfurated plaster uniformly adds feeding system and method |
| CN108726147B (en) * | 2017-04-24 | 2019-10-01 | 北新集团建材股份有限公司 | A kind of desulfurized gypsum uniformly adds feeding system and method |
| CN107132871A (en) * | 2017-05-31 | 2017-09-05 | 重庆金山医疗器械有限公司 | Circuit control system for capsule attitude controller |
| WO2020155586A1 (en) * | 2019-01-30 | 2020-08-06 | 北新集团建材股份有限公司 | Gypsum slurry foaming processing method and device |
| CN114625049A (en) * | 2022-03-18 | 2022-06-14 | 重庆市机电设计研究院有限公司 | Nail shooting and balling work control circuit and work method thereof |
| CN114625049B (en) * | 2022-03-18 | 2023-06-06 | 重庆市机电设计研究院有限公司 | Nail shooting drug balling work control circuit and working method thereof |
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