CN111650910A - Calcium silicate board waste cement bag paper pulping DCS control system - Google Patents
Calcium silicate board waste cement bag paper pulping DCS control system Download PDFInfo
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- CN111650910A CN111650910A CN202010510056.7A CN202010510056A CN111650910A CN 111650910 A CN111650910 A CN 111650910A CN 202010510056 A CN202010510056 A CN 202010510056A CN 111650910 A CN111650910 A CN 111650910A
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- cabinet
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- module
- station
- calcium silicate
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- 238000004537 pulping Methods 0.000 title claims abstract description 20
- 229910052918 calcium silicate Inorganic materials 0.000 title claims abstract description 17
- 239000004568 cement Substances 0.000 title claims abstract description 17
- 239000002699 waste material Substances 0.000 title claims abstract description 17
- 239000000378 calcium silicate Substances 0.000 title claims abstract description 16
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 16
- 238000002955 isolation Methods 0.000 claims abstract description 4
- 230000006870 function Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 4
- 239000007858 starting material Substances 0.000 claims description 4
- 238000004092 self-diagnosis Methods 0.000 claims description 2
- 235000012241 calcium silicate Nutrition 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Classifications
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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
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
-
- 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
- G05B2219/30—Nc systems
- G05B2219/33—Director till display
- G05B2219/33273—DCS distributed, decentralised controlsystem, multiprocessor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Paper (AREA)
Abstract
The invention discloses a calcium silicate board waste cement bag paper pulping DCS control system which is characterized by comprising a field control station, an IO cabinet and a field cabinet, wherein the field control station is a large-scale I/O processing system; the field control station comprises a main control unit which is a central processing unit of the field control station; the IO cabinet comprises a mounting plate, an air switch, a relay, an isolation module and terminals, all external wiring is completed in the terminals in the cabinet, and the relay, the corresponding IO module and the terminals are all arranged in the IO cabinet; the field cabinet has an IP grade of 55 grades, and a main control unit, a power supply module and an I/O module are arranged in the field cabinet. The DCS control system is applied to the pulping treatment of the waste cement bag paper of the calcium silicate board, the technical reliability is high, the human-computer interface is friendly, and the operation is simple.
Description
Technical Field
The invention relates to a calcium silicate board manufacturing system, in particular to a DCS control system for pulping calcium silicate board waste cement bag paper.
Background
All the devices of the calcium orthosilicate board waste cement bag paper pulping system are manually and independently controlled, and the flow of the pulp and the pressure of the devices are manually adjusted by workers according to experience. Because the operating skill level of each worker is different, the work responsibility is different. Causing large quality fluctuation of the slurry and different production capacity of each shift. Therefore, the energy consumption of pulping is high, and the manual adjustment equipment is more, the arrangement workers are more, and the labor intensity is high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects of the prior art, the DCS control system for the pulp making of the calcium silicate board waste cement bag paper is provided.
The solution of the invention for solving the technical problem is as follows:
the DCS control system for the calcium silicate board waste cement bag paper pulping is characterized by comprising a field control station, an IO cabinet and a field cabinet, wherein the field control station is a large-scale I/O processing system; the field control station comprises a main control unit which is a central processing unit of the field control station; the IO cabinet comprises a mounting plate, an air switch, a relay, an isolation module and terminals, all external wiring is completed in the terminals in the cabinet, and the relay, the corresponding IO module and the terminals are all arranged in the IO cabinet; the field cabinet has an IP grade of 55 grades, and is internally provided with a main control unit, a power supply module and an I/O module.
A field control station: the large-scale I/O processing system for direct communication with the site is a site control device with the functions of signal acquisition, loop regulation, logic linkage, sequential control and local operation. The field control station consists of an operation station, a main control unit, an analog I/O module and a digital I/O module which are suitable for various signals, a communication module, a power supply module, a cabinet and the like.
An on-site cabinet: aiming at the field process condition of waste cement bag paper pulping, a cabinet of a field remote control station is specially designed for the severe environment of a factory, and the IP grade is 55 grade. The main control unit, the power supply module and the I/O module are all firmly installed inside, and a field instrument signal wire enters the cabinet through a channel at the bottom of the cabinet and is directly connected to a terminal of the I/O module.
The main control unit is a central processing unit of the field control station and is used for processing signals, controlling and calculating, communicating with a server and other units and the like of the station. In the technical scheme, the CPU adopts 315-2PN/DP, the CPU is communicated with an upper computer (an engineer station/an operator station) through the Ethernet, and the master station and the slave station are communicated through PROFIBUS DP.
CPU315-2 PN/DP: a CPU having a medium-capacity program memory and a program size; the method has higher processing capacity for binary and floating point number operations; use as a centralized controller on a production line with centralized and distributed I/O; PROFINET interface with dual port switch; PROFINET I-Device, an intelligent PROFINET Device for connecting to the CPU of a SIMATIC or third party PROFINET I/O controller; component-based automation via PROFINET; PROFINET agent for PROFIBUS DP smart devices in a Component Based Automation (CBA) system; an integrated MPI/PROFIBUS DP master/slave interface.
As one of the preferred embodiments, the field control station extends a small block I/O ET200S, ET200S is a multifunctional, highly modular I/O system that includes a power module, digital or analog input and output modules, technology modules, an IO-Link Master station and motor starters, frequency converters, and a start interface.
ET 200S: SIMATIC ET200S is a multi-functional, highly modular I/O system with a protection level of IP20 that can be precisely tailored to automation tasks. Interface modules with integrated CPU and PROFINET/PROFIBUS connections have been proposed-both standard and safety designs. The modular ET200S can provide a rich set of modules including a power supply module, a digital or analog input and output module, a technology module, an IO-Link master station, a motor starter, a frequency converter, and a start interface. ET200S can also be used under conditions of high mechanical pressure due to its robust structure. Under the condition of space shortage, a small block I/O ET200S COMPACT can be expanded. ET200S is also a version of SIPLUS, which has a larger applicable temperature range. ET200S advantages: wiring is greatly saved; the space requirement in the control cabinet is low; having a compact plate; modular design; the module series is complete; designing for integration safety; the specific channel diagnosis function is integrated; the configuration work is simplified by the assembly and disassembly of the optional parts; modules can be replaced on the fly (hot-swap).
In a preferred embodiment, the I/O processing system has software and hardware self-diagnostic functions, the template channel is isolated from field signals, and the terminals are separated from the module. The operation of different levels of personnel is limited by setting the password, and misoperation of field personnel is avoided. All I/O modules have software and hardware self-diagnosis functions, template channels are isolated from field signals, terminals are separated from the modules, field replacement and processing are facilitated, and system maintenance time is shortened. A fault limiting function: and when the system fails, the process output is kept unchanged, so that the influence of the system failure is limited to the minimum range. Enough margin is reserved in all links of the system to guarantee the operation safety.
The invention has the beneficial effects that:
compared with the original pulping treatment system, the DCS control system for the calcium silicate board waste cement bag paper has the following advantages:
1. the DCS control system is applied to the pulping treatment of the waste cement bag paper of the calcium silicate board, the technical reliability is high, the human-computer interface is friendly, and the operation is simple.
2. The product quality is improved: because the equipment operation and the process control adopt automatic control, the quality of the produced pulp is stable, and the retention rate of the fiber length is improved by 12 percent compared with that before the modification.
3. The yield is improved: after the DCS control system is adopted, the shutdown frequency caused by the fault of manual operation is reduced, and the pulping yield per shift is improved by 10 percent compared with the prior art.
4. Energy conservation: due to the improvement of the yield per shift, the unit power consumption of the auxiliary pulping equipment is reduced, and the power consumption per ton of pulp pulping is reduced by 7 percent compared with the prior art.
5. The number of workers is reduced: because the production operation is automatic, the labor intensity of workers is reduced, and the number of workers per shift is correspondingly reduced.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.
FIG. 1 is a schematic view of a part of control points of a concentration desander after the DCS control system is added in the invention.
FIG. 2 is a schematic view of a portion of a conventional wastewater sludge bag pulp control system desander of the present invention.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
Referring to fig. 1, a calcium silicate board waste cement bag paper pulping DCS control system is characterized by comprising a field control station, an IO cabinet and a field cabinet, wherein the field control station is a large-scale I/O processing system; the field control station comprises a main control unit which is a central processing unit of the field control station; the IO cabinet comprises a mounting plate, an air switch, a relay, an isolation module and terminals, all external wiring is completed in the terminals in the cabinet, and the relay, the corresponding IO module and the terminals are all arranged in the IO cabinet; the field cabinet has an IP grade of 55 grades, and is internally provided with a main control unit, a power supply module and an I/O module.
One of the preferable embodiments is characterized in that the master control unit is 315-2PN/DP, the master control unit communicates with the upper computer through Ethernet, and the master station and the slave station communicate with each other through PROFIBUS DP.
One of the preferred embodiments is characterized in that the field control station consists of an operation station, a main control unit, an analog I/O module and a digital I/O module which are suitable for various types of signals, a communication module, a power supply module and a cabinet.
As one of the preferred embodiments, the field control station extends a small block I/O ET200S, ET200S is a multifunctional, highly modular I/O system that includes a power module, digital or analog input and output modules, technology modules, an IO-Link Master station and motor starters, frequency converters, and a start interface.
In a preferred embodiment, the I/O processing system has software and hardware self-diagnostic functions, the template channel is isolated from field signals, and the terminals are separated from the module.
The DCS system control point statistics and the DCS system control point detailed functions and control names of the system are as follows:
while the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.
Claims (5)
1. The DCS control system for the pulping of the calcium silicate board waste cement bag paper is characterized by comprising a field control station, an IO cabinet and a field cabinet, wherein the field control station is a large-scale I/O processing system; the field control station comprises a main control unit which is a central processing unit of the field control station; the IO cabinet comprises a mounting plate, an air switch, a relay, an isolation module and terminals, all external wiring is completed in the terminals in the cabinet, and the relay, the corresponding IO module and the terminals are all arranged in the IO cabinet; the field cabinet has an IP grade of 55 grades, and a main control unit, a power supply module and an I/O module are arranged in the field cabinet.
2. The DCS control system for calcium silicate board waste cement bag paper pulping according to claim 1, wherein the main control unit is 315-2PN/DP, the main control unit and the upper computer communicate with each other through Ethernet, and the main station and the slave station communicate with each other through PROFIBUS DP.
3. The DCS control system for calcium silicate board waste cement bag paper pulping according to claim 1, wherein the field control station consists of an operation station, a main control unit, analog and digital I/O modules adapting to various types of signals, a communication module, a power supply module and a cabinet.
4. The DCS control system for calcium silicate board waste cement bag paper pulping according to claim 1, wherein the field control station expands a small block I/O ET200S, the ET200S is a multifunctional and highly modular I/O system, and the system comprises a power supply module, a digital or analog input and output module, a technical module, an IO-Link master station, a motor starter, a frequency converter and a starting interface.
5. The DCS control system for calcium silicate board waste cement bag paper pulping according to claim 1, wherein the I/O processing systems have software and hardware self-diagnosis functions, the template channel is isolated from field signals, and the terminal is separated from the module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010510056.7A CN111650910A (en) | 2020-06-08 | 2020-06-08 | Calcium silicate board waste cement bag paper pulping DCS control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010510056.7A CN111650910A (en) | 2020-06-08 | 2020-06-08 | Calcium silicate board waste cement bag paper pulping DCS control system |
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| CN111650910A true CN111650910A (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010510056.7A Pending CN111650910A (en) | 2020-06-08 | 2020-06-08 | Calcium silicate board waste cement bag paper pulping DCS control system |
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| CN (1) | CN111650910A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113311797A (en) * | 2021-06-04 | 2021-08-27 | 中材天山(云浮)水泥有限公司 | Raw material inlet and outlet DCS (distributed control system) of grinding station |
Citations (2)
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| CN202472389U (en) * | 2012-03-06 | 2012-10-03 | 广东理文造纸有限公司 | Central control system of papermaking workshop |
| CN106348526A (en) * | 2016-09-13 | 2017-01-25 | 赣州华劲纸业有限公司 | Full-automatic pulping and papermaking sewage treatment control system |
-
2020
- 2020-06-08 CN CN202010510056.7A patent/CN111650910A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202472389U (en) * | 2012-03-06 | 2012-10-03 | 广东理文造纸有限公司 | Central control system of papermaking workshop |
| CN106348526A (en) * | 2016-09-13 | 2017-01-25 | 赣州华劲纸业有限公司 | Full-automatic pulping and papermaking sewage treatment control system |
Non-Patent Citations (1)
| Title |
|---|
| 何瀚星等: "PCS7在废纸生产线的应用", 《纸和造纸》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113311797A (en) * | 2021-06-04 | 2021-08-27 | 中材天山(云浮)水泥有限公司 | Raw material inlet and outlet DCS (distributed control system) of grinding station |
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Application publication date: 20200911 |
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