CN109213060B - Method and system for controlling plate discharge of roller drying kiln - Google Patents
Method and system for controlling plate discharge of roller drying kiln Download PDFInfo
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- CN109213060B CN109213060B CN201710522290.XA CN201710522290A CN109213060B CN 109213060 B CN109213060 B CN 109213060B CN 201710522290 A CN201710522290 A CN 201710522290A CN 109213060 B CN109213060 B CN 109213060B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1103—Special, intelligent I-O processor, also plc can only access via processor
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- Drying Of Solid Materials (AREA)
Abstract
The paper discloses a roller path drying kiln plate discharging control method and a system, and the method comprises the following steps: step a, detecting whether a plate is conveyed at the outlet end of a conveying roller way of a drying kiln or not, and generating a detection signal; b, judging the plate conveying state at the outlet end of the conveying roller way according to the detection signal; c, executing the cyclic scanning operation of the conveying roller way, and controlling the conveying roller way to execute plate discharging operation by combining the plate conveying state; the system comprises a detection unit, a control unit and an execution unit; the detection unit is arranged at the outlet end of the drying kiln conveying roller way and is used for detecting the plate state and transmitting a detection signal to the control unit; the method can be applied to the technical field of roller way drying kilns, can effectively overcome the defects in the prior art, and can realize convenient control of plate discharging operation; furthermore, the plate discharging operation efficiency can be effectively improved.
Description
Technical Field
The application relates to the technical field of roller drying kilns, in particular to a method and a system for controlling plate discharge of a roller drying kiln.
Background
The drying kiln is a large drying device in industrial production, and is widely applied to the production of cement industry, metallurgical industry, gypsum board drying, wood drying and the like; wherein, the roller drying kiln is important process equipment for drying the plate.
If the output speed of the plate after the drying is finished is low, the phenomenon of blocking the kiln outlet is easily caused, and the production efficiency is seriously influenced; if the output speed of panel is very fast, the equipment of next process carries the load big, causes equipment rhythm confusion easily, carries indiscriminate board, has influenced the qualification rate of product. The working efficiency is low under the above conditions, and a large amount of manpower and material resources are wasted for processing.
Therefore, it is very necessary to design a reliable and stable plate discharging control system of the roller way drying kiln.
Disclosure of Invention
The technical problem to be solved by the application is to provide a roller path drying kiln plate discharging control method and system, which can effectively overcome the defects in the prior art and can realize convenient control of plate discharging operation; furthermore, the plate discharging operation efficiency can be effectively improved.
In order to solve the technical problem, the application provides a roller way drying kiln plate discharge control method, which comprises the following steps:
step a, detecting whether a plate is conveyed at the outlet end of a conveying roller way of a drying kiln or not, and generating a detection signal;
b, judging the plate conveying state at the outlet end of the conveying roller way according to the detection signal;
and c, executing the circulating scanning operation of the conveying roller way, and controlling the conveying roller way to execute the plate discharging operation by combining the plate conveying state.
The control method for discharging the roller way drying kiln also has the following characteristics,
judging the plate conveying state of the outlet end of the conveying roller way according to the detection signal, and setting as follows:
detecting plate conveying on one side of the outlet end of the conveying roller way, and judging that the conveying state of the single plate is a single plate conveying state if plate conveying is not detected on the other side within a first preset time period;
one side of the outlet end of the conveying roller way detects plate conveying, the other side of the outlet end of the conveying roller way detects plate conveying in a first preset time period, the other side of the outlet end of the conveying roller way continuously detects plate conveying in a second preset time period, and a double-plate conveying state is judged.
The control method for discharging the roller way drying kiln also has the following characteristics,
the plate conveying state is combined to control the conveying roller way to execute plate discharging operation, and the method is as follows:
when the current rollgang is executed with scanning operation, and the plate conveying state of the current rollgang is a single plate conveying state or a double plate conveying state, corresponding plate discharging operation is executed.
The control method for discharging the roller way drying kiln also has the following characteristics,
the executing of the corresponding board discharging operation is set as:
conveying a control signal to a driving mechanism arranged at the outlet end of the conveying roller way, and driving a stopping mechanism to be switched from a stopping state to a releasing state; and conveying a control signal to a motor of the conveying roller way to drive the conveying roller way to operate according to a preset rotating speed.
In order to solve the technical problem, the application also provides a control system applying the roller way drying kiln plate discharging control method, which comprises a detection unit, a control unit and an execution unit; wherein the content of the first and second substances,
the detection unit is arranged at the outlet end of the drying kiln conveying roller way and is used for detecting the plate state and transmitting a detection signal to the control unit; the control unit is used for generating a corresponding control signal according to the detection signal and transmitting the control signal to the execution unit; the execution unit is arranged at the outlet end of the drying kiln and is used for acting according to the control signal.
The control system may also have the following features,
the detection unit comprises a plurality of sensor groups;
the plurality of sensor groups are arranged in one-to-one correspondence with the multi-layer conveying roller way of the drying kiln; the sensor group comprises a first sensor and a second sensor, the first sensor is arranged on one side of the outlet end of the conveying roller way, and the second sensor is arranged on the other side of the outlet end of the conveying roller way.
The control system may also have the following features,
the control unit comprises a controller, a timer and a comparator;
the timer is used for calculating the time length of the plate detection signal of the first sensor and the second sensor, the comparator is used for comparing the time length of the plate detection signal with the preset time length and transmitting the comparison result signal to the control unit, and the control unit is used for judging the plate conveying state according to the comparison result signal and outputting a corresponding control signal according to the plate conveying state.
The control system may also have the following features,
the execution unit comprises a stop mechanism, a driving mechanism for driving the stop mechanism to act and a motor for driving the conveying roller way to run;
the stopping mechanism is arranged at the outlet end of the conveying roller way and has a stopping state and a releasing state; the driving mechanism is connected with the stopping mechanism and is used for acting according to a control signal of the control unit so as to drive the stopping mechanism to realize the switching between a stopping state and a releasing state;
the output shaft of the motor is connected with the end part of the conveying roller way, and the motor is used for acting according to the control signal of the control unit so as to drive the conveying roller way to operate according to the preset rotating speed.
The above technical scheme of this application has following beneficial effect:
compared with the prior art, the roller bed drying kiln can effectively control the plate of each layer of the roller bed drying kiln to be sequentially conveyed to the next procedure, can avoid the phenomenon that the plate at the outlet of the drying kiln is output slowly and is easy to generate kiln outlet blocking after the drying is finished, can improve the production work efficiency, can pack equipment of the next procedure to operate orderly, works at the best load level, has compact conveying rhythm, can improve the equipment utilization rate, and saves the power consumption.
Furthermore, the invention can realize the accurate judgment of the plate conveying state of the conveying roller by the preferred detection method, can effectively eliminate the detection error caused by the dislocation conveying of the plates at two sides, and can effectively ensure that the plates can be simultaneously placed when the double plates are conveyed; through the cyclic scanning operation, the conveying roller way can perform corresponding plate placing operation according to a preset sequence, and the plate disorder phenomenon can be effectively avoided.
Furthermore, the invention can effectively ensure the smooth execution of the plate discharging operation through the preferable plate discharging control operation, and can drive the current stopping mechanism to be switched to the release state through the corresponding control signal transmitted to the driving mechanism, so that the plate discharging operation of the current roller way layer can be smoothly completed.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the invention. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the claimed subject matter and are incorporated in and constitute a part of this specification, illustrate embodiments of the subject matter and together with the description serve to explain the principles of the subject matter and not to limit the subject matter.
FIG. 1 is a schematic flow chart of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Illustration of the drawings:
1-detection unit, 2-control unit, 3-execution unit.
Detailed Description
Hereinafter, embodiments of the present application will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The first embodiment is as follows:
referring to fig. 1, a first embodiment of the present invention provides a method for controlling board discharge of a roller drying kiln, including the following steps:
step a, detecting whether a plate is conveyed at the outlet end of a conveying roller way of a drying kiln or not, and generating a detection signal;
b, judging the plate conveying state at the outlet end of the conveying roller way according to the detection signal;
and c, executing the circulating scanning operation of the conveying roller way, and controlling the conveying roller way to execute the plate discharging operation by combining the plate conveying state.
Preferably, in this embodiment, the plate conveying state at the outlet end of the roller conveyor is determined according to the detection signal, plate conveying is detected at one side of the outlet end of the roller conveyor, plate conveying is not detected at the other side within a first preset time period, and the single plate conveying state is determined; one side of the outlet end of the conveying roller way detects plate conveying, the other side of the outlet end of the conveying roller way detects plate conveying in a first preset time period, the other side of the outlet end of the conveying roller way continuously detects plate conveying in a second preset time period, and a double-plate conveying state is judged.
In the specific operation, the accurate judgment of the plate conveying state of the conveying roller way can be realized through the preferable detection method, the detection error caused by the dislocation conveying of the plates on the two sides can be effectively eliminated, and the plate placing operation of the plates can be simultaneously completed when the double-plate conveying is effectively ensured.
In this embodiment, the first preset time period t1 is 13s, and the second preset time period t2 is 3 s; when the roller drying kiln is used, single-plate conveying can be carried out on the conveying roller ways of each layer, namely, a row of plates are conveyed in sequence; double plate conveying can also be carried out, namely two rows of plates are conveyed simultaneously. However, during the transport process, during the transport of the two plates, the plates advancing in parallel may be misaligned, wherein one plate is transported to the stop mechanism of the output end, while the other plate is not yet transported.
Based on this, when the sensor on one side detects that the board is currently conveyed, in order to eliminate the misjudgment caused by dislocation, the detection signal needs to be continued for 13s, namely if the sensor on the other side does not detect the board signal all the time within 13s, the current conveying is judged to be the single board conveying operation; and if the sensor on the other side detects that the board exists within 13s, switching to a second preset time length calculation operation. If the sensor on the other side continuously detects that the plate is conveyed within 3s, judging that the plate is in a double-plate conveying state at present; the second preset time length can effectively eliminate the misjudgment of the sensor and effectively improve the final judgment accuracy; furthermore, the subsequent production line can carry out corresponding parameter adjustment operation according to the single board conveying state or the double board conveying state so as to meet the production requirements of different states.
Preferably, in this embodiment, the plate discharging operation performed by the rollgang in combination with the plate conveying state is set as follows: when the current rollgang is executed with scanning operation, and the plate conveying state of the current rollgang is a single plate conveying state or a double plate conveying state, corresponding plate discharging operation is executed.
In the specific operation, the circular scanning operation can be adopted, so that the conveying roller way can execute corresponding plate placing operation according to a preset sequence, and the plate disorder phenomenon can be effectively avoided.
In the embodiment, the polling operation controls the plate discharging sequence of each layer, and by taking 12 layers of conveying roller tables as an example, rapid cyclic scanning can be performed according to the sequence of 1-3-5-7-9-11-12-10-8-6-4-2-1; when the first layer is scanned in a circulating manner and the plate conveying state of the first layer is a single plate conveying state or a double plate conveying state, corresponding plate discharging operation can be executed; and when the plate conveying state of the first layer is a plate-free conveying state, not executing corresponding plate discharging operation. The plate discharging operation needs to satisfy the two conditions at the same time, and the smooth plate discharging operation can be effectively ensured.
Preferably, in this embodiment, the executing of the corresponding board discharging operation is configured to: conveying a control signal to a driving mechanism arranged at the outlet end of the conveying roller way, and driving a stopping mechanism to be switched from a stopping state to a releasing state; and transmitting a signal to a motor of the conveying roller way to drive the conveying roller way to operate according to a preset rotating speed.
In the specific operation, the plate discharging operation can be effectively ensured to be smoothly executed through the preferable plate discharging control operation, and the current stopping mechanism can be driven to be switched to the release state through the corresponding control signal transmitted to the driving mechanism, so that the plate discharging operation of the current roller way layer can be smoothly finished.
In this embodiment, the stopping mechanism may include a baffle, and the driving mechanism may include an air cylinder and an electromagnetic valve connected to the air cylinder; when the plate discharging operation needs to be executed, the electromagnetic valve receives a corresponding signal, controls the cylinder to act, and pushes the baffle plate to be opened so as to release the conveying plate at the outlet end; meanwhile, a motor for driving the conveying roller way to move is controlled to operate at a preset rotating speed, so that the plate can be smoothly output; the specific value of the preset rotating speed can be selected by a person skilled in the art according to actual conditions, so that the plate can be smoothly discharged.
Preferably, in order to optimize the above plate-out operation; in this embodiment, the plate-out interval time of the plate material is set to T, where T is T1-T2-t。
In the formula: t is the plate-out interval time in units of s;
T1the unit is the longest time of the operation period of single equipment in the next procedure;
T2the plate discharging time is the time required by the length of the plate conveyed by the roller way, and is unit s;
t is a time delay rise time after the tail of the outlet baffle plate of the dryer is disengaged, and is a unit of s, and in the embodiment, t is preferably 0.45 s.
Further, T2 ═ 60 (L/V).
Wherein L is the length of the conveyed plate and has a unit m;
v is the preset rotating speed of the conveying roller way, and in the embodiment, the V is preferably 42 m/min.
In the specific operation, after the plate discharging operation of one layer of plate is finished, the execution unit of the current layer executes the reset operation; further, after the plate discharging interval time T, performing plate discharging operation of the next layer; the above preferred arrangement aims to ensure the smooth proceeding of the subsequent operation, can effectively avoid the disordered plate operation of the subsequent operation caused by too short intervals, and can effectively avoid the problem of low conveying efficiency caused by too long intervals and the plate blocking phenomenon at the outlet of the drying kiln.
According to the control method provided by the embodiment, in the production and manufacturing of the gypsum board, the production speed of 2.4 meters of board main lines and 2 meters of board main lines can be increased by a single set of saw edges at 60m/min and 56m/min, so that the production efficiency and the automation level of the short board are greatly improved, and the control method has obvious beneficial technical effects.
Example two:
referring to fig. 2, a second embodiment of the present invention provides a roller drying kiln discharging control system, which includes a detection unit 1, a control unit 2, and an execution unit 3; the detection unit 1 is arranged at the outlet end of the conveying roller way of the drying kiln, and the detection unit 1 is used for detecting the plate state and transmitting a detection signal to the control unit 2; the control unit 2 is used for generating a corresponding control signal according to the detection signal and transmitting the control signal to the execution unit 3; the execution unit 3 is arranged at the outlet end of the drying kiln, and the execution unit 3 is used for acting according to the control signal.
In this embodiment, the detection unit 1 includes a plurality of sensor groups, and the plurality of sensor groups are arranged in one-to-one correspondence with the multi-layer conveying roller ways of the drying kiln; the sensor group comprises a first sensor and a second sensor, the first sensor is arranged on one side of the outlet end of the conveying roller way, and the second sensor is arranged on the other side of the outlet end of the conveying roller way.
In a specific operation, the detection unit 1 preferably comprises 12 sensor groups, each sensor group comprising two sensors, namely the first sensor and the second sensor, the first sensor and the second sensor being preferably configured as photoelectric switches; that is, the detection unit 1 includes 24 photoelectric switches; in the detection process, the photoelectric switch outputs a corresponding switching value digital signal to the control unit 2, wherein 0 indicates that no plate is detected, and 1 indicates that the plate is detected.
In this embodiment, the control unit 2 includes a controller, a timer, and a comparator; the timer is used for calculating the time length of the plate detection signal of the first sensor and the second sensor, the comparator is used for comparing the time length of the plate detection signal with the preset time length and transmitting the comparison result signal to the control unit 2, and the control unit 2 is used for judging the plate conveying state according to the comparison result signal and outputting a corresponding control signal according to the plate conveying state.
In specific operation, the controller can adopt a Programmable Logic Controller (PLC), and the PLC can realize corresponding convenient control operation; wherein, above-mentioned preferred setting can assist the accurate judgement of the panel transport state who realizes the rollgang, can effectively eliminate because of the detection error that both sides panel dislocation was carried and is caused, when can effectively guaranteeing that two boards are carried, panel can accomplish simultaneously and put the board operation.
In this embodiment, the execution unit 3 includes a stopping mechanism, a driving mechanism for driving the stopping mechanism to act, and a motor for driving the roller conveyor to operate; the stopping mechanism is arranged at the outlet end of the conveying roller way and has a stopping state and a releasing state; the driving mechanism is connected with the stopping mechanism and is used for acting according to a control signal of the control unit 2 so as to drive the stopping mechanism to realize the switching between the stopping state and the releasing state; the output shaft of the motor is connected with the end part of the conveying roller way, and the motor is used for acting according to the control signal of the control unit 2 so as to drive the conveying roller way to operate according to the preset rotating speed.
In a specific operation, the stop mechanism may include a baffle, and the driving mechanism may include a cylinder and a solenoid valve connected to the cylinder; for the specific operation configuration of the cylinder, please refer to the description in the first embodiment, and the detailed description is omitted here.
According to the first embodiment and the second embodiment, the roller bed drying kiln can effectively control the plate at each layer of the roller bed drying kiln to be sequentially conveyed to the next procedure, the phenomenon that the plate at the outlet of the drying kiln is output slowly and easily blocked at the outlet of the kiln after drying is finished can be avoided, the production work efficiency can be improved, equipment for packaging the next procedure runs orderly, works at the optimal load level, the conveying rhythm is compact, the utilization rate of the equipment can be improved, and the power consumption is saved.
Furthermore, the invention can realize the accurate judgment of the plate conveying state of the conveying roller by the preferred detection method, can effectively eliminate the detection error caused by the dislocation conveying of the plates at two sides, and can effectively ensure that the plates can be simultaneously placed when the double plates are conveyed; through the cyclic scanning operation, the conveying roller way can perform corresponding plate placing operation according to a preset sequence, and the plate disorder phenomenon can be effectively avoided.
Furthermore, the invention can effectively ensure the smooth execution of the plate discharging operation through the preferable plate discharging control operation, and can drive the current stopping mechanism to be switched to the release state through the corresponding control signal transmitted to the driving mechanism, so that the plate discharging operation of the current roller way layer can be smoothly completed.
In the description of the present application, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
It should be understood by those skilled in the art that the embodiments of the present invention are described above, but the descriptions are only for the purpose of facilitating understanding of the embodiments of the present invention, and are not intended to limit the embodiments of the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the embodiments of the invention as defined by the appended claims.
Claims (7)
1. A roller drying kiln plate discharge control method comprises the following steps:
step a, detecting whether a plate is conveyed at the outlet end of a conveying roller way of a drying kiln, and if so, generating a detection signal;
b, judging the plate conveying state at the outlet end of the conveying roller way according to the detection signal, wherein the plate conveying state comprises a single plate conveying state and a double plate conveying state;
c, performing cyclic scanning operation of the conveying roller way, and performing plate discharging operation on the plate conveying roller way in a polling control mode according to plate discharging interval time T by combining the plate conveying state;
wherein T ═ T1-T2-t；
In the formula: t is the plate-out interval time; t is1The longest operation period of single equipment in the next procedure is obtained; t is2Is the time to come out of the plate; and t is the delayed lifting time after the plate tail of the outlet baffle of the dryer is separated.
2. The plate discharging control method of the roller way drying kiln according to claim 1,
judging the plate conveying state of the outlet end of the conveying roller way according to the detection signal, and setting as follows:
detecting plate conveying on one side of the outlet end of the conveying roller way, and judging that the conveying state of the single plate is a single plate conveying state if plate conveying is not detected on the other side within a first preset time period;
one side of the outlet end of the conveying roller way detects plate conveying, the other side of the outlet end of the conveying roller way detects plate conveying in a first preset time period, the other side of the outlet end of the conveying roller way continuously detects plate conveying in a second preset time period, and a double-plate conveying state is judged.
3. The plate discharging control method of the roller way drying kiln according to claim 1,
the executing board discharging operation is set as follows:
conveying a control signal to a driving mechanism arranged at the outlet end of the conveying roller way, and driving a stopping mechanism to be switched from a stopping state to a releasing state; and conveying a control signal to a motor of the conveying roller way to drive the conveying roller way to operate according to a preset rotating speed.
4. A control system applying the plate discharging control method of the roller way drying kiln according to any one of claims 1 to 3, which is characterized by comprising a detection unit, a control unit and an execution unit; wherein the content of the first and second substances,
the detection unit is arranged at the outlet end of the drying kiln conveying roller way and is used for detecting the plate state to generate a detection signal and transmitting the detection signal to the control unit; the execution unit is arranged at the outlet end of the drying kiln; and the control unit is used for circularly scanning the conveying roller way, generating a corresponding control signal according to the detection signal, transmitting the control signal to a corresponding execution unit, and performing polling control on the execution unit to move out of the plate.
5. The control system of claim 4,
the detection unit comprises a plurality of sensor groups;
the plurality of sensor groups are arranged in one-to-one correspondence with the multi-layer conveying roller way of the drying kiln; the sensor group comprises a first sensor and a second sensor, the first sensor is arranged on one side of the outlet end of the conveying roller way, and the second sensor is arranged on the other side of the outlet end of the conveying roller way.
6. The control system of claim 5,
the control unit comprises a controller, a timer and a comparator;
the timer is used for calculating the time length of the plate detection signal of the first sensor and the second sensor, the comparator is used for comparing the time length of the plate detection signal with the preset time length and transmitting the comparison result signal to the control unit, and the control unit is used for judging the plate conveying state according to the comparison result signal and outputting a corresponding control signal according to the plate conveying state.
7. The control system of claim 6,
the execution unit comprises a stop mechanism, a driving mechanism for driving the stop mechanism to act and a motor for driving the conveying roller way to run;
the stopping mechanism is arranged at the outlet end of the conveying roller way and has a stopping state and a releasing state; the driving mechanism is connected with the stopping mechanism and is used for acting according to a control signal of the control unit so as to drive the stopping mechanism to realize the switching between a stopping state and a releasing state;
the output shaft of the motor is connected with the end part of the conveying roller way, and the motor is used for acting according to the control signal of the control unit so as to drive the conveying roller way to operate according to the preset rotating speed.
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| CN201710522290.XA CN109213060B (en) | 2017-06-30 | 2017-06-30 | Method and system for controlling plate discharge of roller drying kiln |
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| JPS6422758A (en) * | 1987-07-16 | 1989-01-25 | Meinan Machinery Works | Distributed transport device for board |
| FR2863259B1 (en) * | 2003-12-05 | 2007-04-13 | Lafarge Platres | CONVEYING UNIT AND DRYER COMPRISING A PLATE DEVIATION DETECTION CIRCUIT |
| NO327191B1 (en) * | 2006-12-05 | 2009-05-04 | Hunton Fiber As | wedge detector for a fiberboard or plasterboard dryer |
| WO2011008245A1 (en) * | 2009-07-14 | 2011-01-20 | Ima Life North America Inc. | Enhanced freeze dryer shelf manufacturability through the use of open shape or line contact spacers |
| CN203112066U (en) * | 2013-02-02 | 2013-08-07 | 汕头超声印制板公司 | Board-putting machine capable of preventing board blockage |
| CN204373372U (en) * | 2014-09-28 | 2015-06-03 | 苏州北新矿棉板有限公司 | A kind of ejecting plate monitoring system of drying kiln |
| CN104668496B (en) * | 2015-02-15 | 2017-05-17 | 江苏联峰能源装备有限公司 | Automatic finishing line for continuous casting blank end surface node cutting |
| CN204700978U (en) * | 2015-05-21 | 2015-10-14 | 新乡北新建材有限公司 | A kind of control system of gypsum lath product line |
| CN205471345U (en) * | 2016-03-25 | 2016-08-17 | 北新集团建材股份有限公司 | Automatic board control system of putting of desiccator |
| CN205892055U (en) * | 2016-07-05 | 2017-01-18 | 镇江北新建材有限公司 | Desiccator export panel alignment device and desiccator |
| CN206634718U (en) * | 2017-02-27 | 2017-11-14 | 镇江北新建材有限公司 | A kind of drying machine control system |
| CN110332795B (en) * | 2019-06-25 | 2020-12-22 | 北新集团建材股份有限公司 | Three-control timing board-out control system |
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