CN103885435A - Organic amine method desulfuration acid-manufacturing technology distributed control system - Google Patents

Organic amine method desulfuration acid-manufacturing technology distributed control system Download PDF

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CN103885435A
CN103885435A CN 201410142989 CN201410142989A CN103885435A CN 103885435 A CN103885435 A CN 103885435A CN 201410142989 CN201410142989 CN 201410142989 CN 201410142989 A CN201410142989 A CN 201410142989A CN 103885435 A CN103885435 A CN 103885435A
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system
control
device
method
technology
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夏炜
李敬东
张启玖
马汉军
张敬涛
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北京国电龙源环保工程有限公司
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
    • Y02P90/14Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS] characterised by fault tolerance, reliability of production system
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
    • Y02P90/18Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS] characterised by the network communication

Abstract

The invention discloses an organic amine method desulfuration acid-manufacturing technology distributed control system which comprises a signal collecting device, a controller, a main machine set and a power supply device. The controller is connected with the signal collecting device through an I/O module. The main machine set is connected with the controller. The power supply device provides power for the control system. The control system is of a multi-net-segment structure, each net segment of multiple segments corresponds to a domain address, and the domain addresses are independent. The organic amine method desulfuration acid-manufacturing technology distributed control system is used for controlling a desulfuration acid-manufacturing technology, a control method is simple, operation is efficient, cost is low, system expansion capability is high, subsystem working is independent, maintaining is convenient, and the fact that the system operates safely, reliably and continuously can be well guaranteed.

Description

有机胺法脱硫制酸工艺集散控制系统 Organic amine acid desulfurization process Distributed Control System

技术领域 FIELD

[0001] 本发明涉及一种控制系统,特别涉及一种火电厂脱硫控制系统,尤其是涉及一种有机胺脱硫制酸工艺集散控制系统。 [0001] The present invention relates to a control system, and particularly relates to a control system for a thermal power plant desulfurization, and more particularly to an organic acid amine desulfurization process distributed control system.

背景技术 Background technique

[0002] 在传统的高硫煤矿制酸工艺中,通常采用石灰石湿法脱硫工艺,以石灰石浆液作为吸收剂来吸收烟气中的二氧化硫,脱硫副产品石膏基本采取抛弃法处理,但使用该方法运行费用巨大、运输压力负担重。 [0002] In the conventional process, high-sulfur coal acid, usually limestone wet desulfurization process, the flue gas to absorb sulfur dioxide to a slurry of limestone as the absorbent, taken substantially abandoned product gypsum desulfurization process method, but using the operation method huge costs, transport pressure burden. 相比之下,有机胺脱硫工艺运行费用低,运输强度低,并且产生副产物的销路也比较好,可有效地将二氧化硫回收,变废为宝。 In contrast, an organic amine desulfurization process low running cost, low traffic intensity, and generates sales-products is relatively good, the sulfur dioxide can be effectively recovered, recycling Po. 有机胺法脱硫项目的经济效益、环境效益以及社会效益都是非常显著,所以在高硫煤地区,有机胺脱硫工艺比常规湿法脱硫工艺更加适合。 Economic benefits of organic amine sweetening projects, environmental benefits and social benefits are very significant, so high-sulfur coal in the region, organic amine desulfurization process is more suitable than conventional wet desulfurization process. 但目前常规使用的有机胺法脱硫由于存在I/o规模庞大、硬件种类和数量多、结构复杂、控制逻辑复杂等特点,采用传统配置方式的控制系统已不能满足对有机胺脱硫工艺的有效控制。 However, the organic amine sweetening currently conventionally used due to I / o a large scale, multiple hardware type and quantity of complex control structures and complex characteristics, the traditional configuration of the control system can not meet the effective control of the organic amine desulfurization .

发明内容 SUMMARY

[0003] 针对现有技术存在的不足之处,本发明要解决的技术问题是提供一种有机胺脱硫制酸工艺集散控制系统,采用本发明的有机胺脱硫制酸工艺集散控制系统可以解决有机胺脱硫制酸工艺系统庞大、结构复杂,控制复杂等问题。 [0003] for the shortcomings of the prior art, the present invention is to solve the technical problem of providing an organic amine acid desulfurization process distributed control system, the present invention is an organic acid amine desulfurization process can solve the organic DCS amine acid desulfurization process system is large, complex, complex control problems. 使用本发明的一种有机胺脱硫制酸工艺集散控制系统对脱硫制酸工艺进行控制,控制方法简单、运行高效、成本低廉、系统扩展能力强、子系统工作独立、维护方便,可以有力地保证系统能安全、可靠地连续运行。 An organic amine acid desulfurization process using the distributed control system according to the present invention on acid desulfurization process control, the control method is simple, efficient, low cost, high scalability systems, subsystems work independently, easy maintenance, can effectively guarantee system safe and reliable continuous operation.

[0004]为了解决上述技术问题,本发明的一种有机胺脱硫制酸工艺集散控制系统包括信号采集装置、通过I/o模件与信号采集装置连接的控制器,与控制器连接的主机组,为控制系统提供动力的电源装置。 [0004] To solve the above technical problem, the present invention is an organic acid amine desulfurization process comprises a distributed control system a signal acquisition device, the group controller is connected via a host I / o module and the signal acquisition device, connected to the controller providing power to the control system of the power supply device. 该控制系统采用多网段结构,多网段的每一个网段对应一个域地址,域地址之间相互独立,可对脱硫、制硫等工艺进行独立操作,整个系统运行更加高效。 The control system uses a multi-segment structure, each corresponding to a segment of a multi-domain network addresses, domain addresses are independent, can operate independently of the desulfurization, sulfur process system, the system runs more efficiently.

[0005] 在本发明的系统内,大量的数据交换被控制在各自网段内进行,不同网段之间只交换少量数据,从而保证各段数据通讯负荷即使在最繁忙的情况下也能满足规范要求并具有系统扩展能力,即使连接到数据通讯系统上的任一系统或设备发生故障,也不会导致通讯系统瘫痪或影响其它联网系统和设备的工作。 [0005] In the system of the present invention, a large amount of data exchange is controlled for each network segment, only a small amount of data exchange between different network segments, each segment of data can correspond to ensure even load in the busiest situation can meet specifications and have the ability to expand the system, even if the fault is connected to either a system or device occurs on data communication system, the communication system does not result in paralysis or affect other networked devices and systems.

[0006] 本发明的硫酸生产和输送网段中I/O模件为两路冗余I/O模件。 Sulfuric acid production and distribution segment I / O module [0006] according to the present invention is a two-way redundant I / O module. 就地测量信号不再是直接接入标准I/o模件,而是先接入冗余调理板,调理板对接收的每一路测量信号,调理输出为两组(路)冗余输出信号,再分别接至两块标准I/o模块,构成了冗余输入,冗余输出的原理与此类同。 Situ measurement signal is no longer a direct access to the standard I / o module, but the first access redundancy conditioning board, signal conditioning board measurement for each channel received, conditioned output sets (passage) redundant output signal, then respectively connected to two standard I / o module, constituting a redundant input, with such principle with redundant outputs. 冗余I/o模件的配置和组态完全达到了制酸化工工艺的监控要求,使在电力生产系统中引入化工工艺流程成为现实,为电力与化工两者间监控功能的相互融合奠定了基础。 Redundant I / o module and configuration arranged to fully meet the requirements of monitoring acid chemical process, so that the introduction of chemical processes in the power production system becomes a reality, each laid as a fusion between the two power monitoring function and Chemicals basis.

[0007] 上述多个网段的数量为三个,分别是脱硫主流程网段、水处理网段以及硫酸生产和输送网段。 Quantity [0007] The plurality of segments is three, namely the desulfurization main flow segment, and the production of sulfuric acid and water transport network segment. 三个网段即为三个域,分配给不同的域地址,从而使各域之间相互独立,一个域出现问题不会影响另一个域的工作。 Three segments is the three domains, the domain address assigned to different, independent of each other so that the domain, a domain problem without affecting the operation of another domain.

[0008] 脱硫主流程网段、水处理网段以及硫酸生产和输送网段分别包括多个独立的组,每一个独立的组内各配备一套独立的信号采集装置、I/o模件、控制器、通讯线路、电源以及控制机柜。 [0008] The desulfurization process of the main segment, and the production of sulfuric acid and water delivery network segments each comprising a plurality of separate groups, each with a separate set of signal acquisition device, I / o modules in each separate group, controllers, communication lines, power and control cabinet. 组与组之间工作相互独立进行,使得操控和维护更加方便、易行。 Group work independently from each other and between groups, making handling and maintenance more convenient and easy.

[0009] 每一个网段内配备一个工程师站。 [0009] Each network segment with an engineering station. 每一个工程师站各司其职,更加增强了不同网段工作的独立性。 Each station engineer carry out their duties, further strengthened the independence of the different segments of the work.

[0010] 集散控制系统所控制的有机胺脱硫制酸工艺包括制氧臭氧工艺,对制氧臭氧工艺的控制纳入集散控制系统,使整套脱硫系统能采用统一的硬件、软件和组态方法,大大减少了备品备件的种类从而有效降低日后运行维护成本,同时也减少了运行维护工作量,培训工作也变得简单,运行员能够很快上岗操控。 Organic amine acid desulfurization process [0010] The distributed control system comprises a controlled oxygen ozone process, the process of controlling the oxygen into ozone distributed control system, so that the entire system can be employed desulfurization unified hardware, software, and configuration method, greatly reduce the variety of spare parts in order to reduce the future operation and maintenance costs, but also reduce the maintenance workload, training becomes simple, operations officer posts will soon be able to control.

[0011] 制氧臭氧工艺控制的扫描频率为100ms。 [0011] Ozone Oxygen scanning frequency control process is 100ms. 在制氧臭氧子系统中有些阀门切换动作非常频繁,对控制器扫描周期要求高,在DCS配置中为该子系统设独立的DPU并将其扫描周期提高到100ms,其它DPU仍采用正常扫描周期。 Ozone in oxygen subsystem some very frequent switching operation of the valve, the controller scan cycle of high requirements, a separate subsystem is provided in the DCS configuration for the DPU and increase its scanning cycle to 100ms, other DPU still use the normal scan cycle . 采用相同的控制方法,针对不同的子系统采取不同的扫描频率可进一步简化控制方案,提高效率,节约成本。 Using the same control method adopted for the different subsystems of different scanning frequencies can be further simplified control scheme, to improve the efficiency and cost savings.

[0012] 采用本发明的一种有机胺脱硫制酸工艺集散控制系统控制方法简单、运行高效、成本低廉、系统扩展能力强、子系统工作独立、维护方便,可以有力地保证系统能安全、可靠地连续运行。 [0012] An organic amine acid desulfurization process DCS control method of the present invention is simple, efficient, low cost, high scalability systems, subsystems work independently, easy maintenance, can effectively ensure the system safe and reliable continuous operation.

附图说明 BRIEF DESCRIPTION

[0013] 图1是本发明的一个具体实施例的系统图; [0013] FIG. 1 is a system diagram of a particular embodiment of the present invention;

图2发明的一个具体实施例的两路冗余I/O模件示意图。 Two redundant I a particular embodiment of the invention. FIG. 2 / O module schematic diagram.

具体实施方式 detailed description

[0014] 下面将结合附图对本发明的一种有机胺脱硫制酸工艺集散控制系统进行详细地说明。 [0014] below with reference to the drawings of an organic amine acid desulfurization process DCS present invention will be described in detail.

[0015] 参见图1,本发明的一种有机胺脱硫制酸工艺集散控制系统I包括信号采集装置10、通过I/O模件9与信号采集装置10连接的控制器8,与控制器8连接的主机组,为控制系统I提供动力的电源装置7。 [0015] Referring to Figure 1, the present invention is one kind of organic acid amine desulfurization process comprises a distributed control system I signal acquisition device 10, via I / O module 9 with the controller 10 is connected to the signal acquisition device 8, and the controller 8 host group connected to the control system provides power supply apparatus 7 I. 该控制系统I采用多网段结构,多网段的每一个网段对应一个域地址,域地址之间相互独立,可对脱硫、制硫等工艺进行独立操作,整个系统运行更加闻效。 The control system uses a multi-segment structure I, each corresponding to a segment of a multi-domain network addresses, domain addresses are independent, can operate independently of the desulfurization, sulfur process system, the system runs more audible effect.

[0016] 优选地,根据工艺系统流程先划分为三个过程控制网段(域):脱硫主流程网段2、水处理网段3、硫酸生产及输送网段4。 [0016] Preferably, the process according to system flow control process is divided into three segments (domains): the main flow desulfurization segment 2, segment 3 water, sulfuric acid production and transport segments 4. 三个网段即为三个域,分配给不同的域地址,从而使各域之间相互独立。 Three segments is the three domains, the domain address assigned to different, independent of each other so that the domain. 然后再在各独立域内进一步分组,例如在脱硫主流程网段(域)内再按公用系统又分为独立的三组,每一个独立组5内各配备一套独立的信号采集装置10、1/0模件9、控制器8、通讯线路、电源7以及控制机柜,各域及各组之间在控制上能做到互不干扰。 Then further within each individual packets, such as in the main flow desulfurization segment (domain) and then the public system is divided into three separate groups, each independently of each group 5 is provided with an independent signal acquisition device 10,1 / 0 module 9, the controller 8 between the communication lines, power supply 7 and a control cabinet, and all the domains in the control group can be done without disturbing each other.

[0017] 在本发明的系统I内,大量的数据交换被控制在各自网段内进行,不同网段之间只交换少量数据,从而保证各段数据通讯负荷即使在最繁忙的情况下也能满足规范要求并具有系统扩展能力,即使连接到数据通讯系统上的任一系统或设备发生故障,也不会导致通讯系统瘫痪或影响其它联网系统和设备的工作。 [0017] In the system of the invention I, a large amount of data exchange is controlled for each network segment, only a small amount of data exchange between different network segments, each segment of data can correspond to ensure even load in the busiest situation can meet regulatory requirements and have the ability to expand the system, even if the fault is connected to either a system or device occurs on data communication system, the communication system does not result in paralysis or affect other networked devices and systems.

[0018] 参照图2,作为本发明的一个实施例,本发明的硫酸生产和输送网段4中I/O模件9为两路冗余I/O模件。 [0018] Referring to FIG. 2, as an embodiment of the present invention, sulfuric acid production and distribution segment 4 of the present invention, I / O module 9 into two redundant I / O module. 就地测量信号不再是直接接入标准I/O模件,而是先接入冗余调理板11,冗余调理板11对接收的每一路测量信号,调理输出为两组(路)冗余输出信号,再分别接至两块标准I/O模块12,构成了冗余输入,冗余输出的原理与此类同。 Situ measurement signal is no longer a direct access to the standard I / O modules, redundant access but first conditioning board 11, redundant conditioning board 11 measures the received signal for each channel, two output conditioning (passage) redundant I output signal, and then respectively connected to the two standard I / O module 12, constitutes a redundant input, with such principle with redundant outputs. 对尚未开发应用的冗余RTD信号,采用先转换再接入的方法解决,即先将RTD信号转为标准Al信号后再接入冗余Al模件,从而达到化工的全部冗余配置要求。 RTD redundant signal has not developed applications, then the access method to the conversion solution, i.e. RTD signals into first signal after the standard Al Al redundant access module, so as to achieve a redundant configuration requires all chemical.

[0019] 冗余I/O模件的配置和组态完全达到了制酸化工工艺的监控要求,使在电力生产系统中引入化工工艺流程成为现实,为电力与化工两者间监控功能的相互融合奠定了基础。 [0019] The redundant I / O module configuration and configuration monitoring fully meet the requirements of acid chemical process, so that the introduction of chemical processes in the power production system becomes a reality, both for the electric power between each other and the chemical monitoring integration of the foundation.

[0020] 作为本发明的又一个实施例,在每一个独立网段内配备一个工程师站6。 [0020] As still another embodiment of the present invention, an engineer with a separate station 6 at each network segment. 每一个工程师站6各司其职,更加增强了不同网段工作的独立性。 Each engineer station 6 carry out their duties, further strengthened the independence of the different segments of the work. 常规脱硫设一台工程师站6,并与操作员站并列连接在网络中,一旦通讯系统故障则工程师站将不能执行其功能。 Conventional desulfurization provided an engineering station 6, and connected in parallel with the network operator station, once the engineering station communications system failure will not perform its function. 本发明中,每个网段各设一台工程师站6,并在网络连接上改为下放到过程控制层,即直接与过程控制层连接,这样即使监控层发生故障,工程师站仍然能正常地完成其系统功能。 In the present invention, each segment each with an engineering station 6, and to the process control layer placed on the network connection, i.e., is directly connected with the process control layer, so that even if the monitoring layer fails, the station can still be properly engineer complete its system functions.

[0021] 作为本发明的再一个实施例,集散控制系统I所控制的有机胺脱硫制酸工艺包括制氧臭氧工艺,对制氧臭氧工艺的控制纳入集散控制系统I。 [0021] As a further embodiment of the present invention, the organic amine DCS acid desulfurization process I comprising oxygen ozone controlled process control system into the distributed control Ozone Oxygen Process I. 常规电厂脱硫水处理部分仅为废水处理系统,本发明又新增胺液过滤、APU和除盐水子系统,废水处理子除常规工艺又新增了制氧臭氧子系统。 Water treatment plant was only partially desulfurized conventional wastewater treatment systems, the present invention has added the amine was filtered, demineralized water and the APU subsystem, in addition to conventional waste water treatment sub-process ozone and oxygen added subsystem. 这些新增子系统以往习惯于采用PLC系统监控,本项目将各子系统均统一纳入DCS监控,取消PLC,使整套脱硫系统能采用统一的硬件、软件和组态方法,大大减少了备品备件的种类从而有效降低日后运行维护成本,同时也减少了运行维护工作量,培训工作也变得简单,运行员能够很快上岗操控。 These new subsystems are accustomed to using conventional PLC system monitoring, the project will each subsystem are unified into DCS, PLC canceled, so that the entire desulfurization system to adopt a unified hardware, software and configuration method, greatly reducing the spare parts thus effectively reducing the kind of future operation and maintenance costs, but also reduce the maintenance workload, training becomes simple, operations officer posts will soon be able to control.

[0022] 在本发明中,制氧臭氧子系统中有些阀门切换动作非常频繁,对控制器8扫描周期要求高,以往一直采用PLC实现监控。 [0022] In the present invention, some oxygen ozone subsystem very frequent switching operation of the valve, high scan cycle controller of claim 8, has been conventionally implemented by PLC control. DCS控制器(DPU)的正常扫描周期是500ms,本发明取消PLC后,在DCS配置中为该子系统设独立的DPU并将其扫描周期提高到100ms,其它DPU仍采用正常扫描周期。 DCS controller (DPU) of the normal scan cycle is 500ms, the present invention eliminates the PLC, located in DCS configuration subsystem and for the DPU independent of the scan cycle is improved to 100ms, other DPU still use the normal scan cycle. 投运后各DPU间未产生冲突,运行稳定,实现了设备厂的控制要求。 After put into operation did not produce a conflict between the various DPU, stable operation, to achieve the control requirements of the plant. 本发明采用相同的控制方法,针对不同的子系统采取不同的扫描频率可进一步简化控制方案,提高效率,节约成本。 The present invention is a control method of the same, take different scanning frequencies for different subsystems may be further simplified control scheme, to improve the efficiency and cost savings.

[0023] 本发明的有机胺脱硫制酸工艺集散控制系统I按工艺流程将网络结构先分独立网段再分独立的组、对外围车间采用远程控制站的配置方法,使任一网段故障均不会影响其它网段正常工作,使任一台炉脱硫故障时不影响另一台炉脱硫的正常运行,任一列制酸故障不影响另一列制酸的生产。 [0023] The organic amine acid desulfurization process of the present invention, the distributed control system I according to the process network structure of the first sub-network independent separate groups subdivided, workshop using peripheral configuration of the remote control station, so that a failure of any segment It will not affect the normal work of other segments, so as not to affect the other desulphurization during normal operation to any failure of a desulphurization, an antacid any failure does not affect the other row acid production. 有力地保证系统能安全、可靠地连续运行。 Effectively ensure the system safe and reliable continuous operation.

[0024] 在每个网段各配置一台工程师站6,对I/O规模如此庞大的脱硫DCS来讲,突出在调试过程的方便、快捷、有效及互不干扰方面,同时也非常便于日后工艺系统或DCS系统的调整和维护工作。 [0024] each configuration on each segment of a station engineer 6, I / O such large-scale desulfurization DCS is concerned, highlighting convenient debugging process, efficient, effective and non-interfering aspects, but also very easy in the future adjustment and maintenance of process systems or DCS system.

[0025] 对水处理系统也统一采用DCS控制不用PLC,使整套脱硫系统能采用统一的硬件、软件和组态方法,大大减少了备品备件的种类从而有效降低日后运行维护成本,同时也减少了运行维护工作量,培训工作也变得简单,运行员能够很快上岗操控。 [0025] water treatment systems are also unified by DCS control without PLC, so that the entire desulfurization system to adopt a unified hardware, software and configuration method, greatly reducing the types of spare parts in order to reduce the future operation and maintenance costs, while also reducing the operation and maintenance workload, training becomes simple, operations officer posts will soon be able to control. 采用本发明的一种有机胺脱硫制酸工艺集散控制系统I控制方法简单、运行高效、成本低廉、系统扩展能力强、子系统工作独立、维护方便,可以有力地保证系统能安全、可靠地连续运行。 The present invention is an organic acid amine desulfurization process I DCS control method is simple, efficient, low cost, high scalability systems, subsystems work independently, easy maintenance, the system can effectively ensure safe, reliable continuous run.

[0026] 本发明并不限于上述实施方式,凡是采用与本发明上述实施例相同或近似的系统,而得到的其他的有机胺脱硫制酸工艺集散控制系统,均在本发明的保护范围之内。 [0026] The present invention is not limited to the above embodiments, all using the above-described embodiments of the invention with the same or similar system, while the other acid organic amine desulfurization process DCS obtained are within the scope of the present invention .

Claims (7)

  1. 1.一种有机胺脱硫制酸工艺集散控制系统,包括信号采集装置、通过I/o模件与所述信号采集装置连接的控制器,与所述控制器连接的主机组,为所述控制系统提供动力的电源装置,其特征在于,所述控制系统采用多网段结构,所述多网段的每一个网段对应一个域地址,所述域地址相互独立。 An organic amine acid desulfurization distributed process control system comprising a signal acquisition device, via the controller I / o module and connected to the signal acquisition device, a host controller connected with the group, said control the system provides power supply apparatus, wherein the control system uses a multi-segment structure, each of said multisegment network address corresponding to a domain, the domain address independently.
  2. 2.一种如权利要求1所述的有机胺脱硫制酸工艺集散控制系统,其特征在于,硫酸生产和输送网段的I/O模件为两路冗余I/O模件。 An organic amine acid desulfurization process of the distributed control system as claimed in claim 1, characterized in that the sulfuric acid production and distribution segment I / O module for the two-way redundant I / O module.
  3. 3.—种如权利要求1所述的有机胺脱硫制酸工艺集散控制系统,其特征在于,所述多个网段的数量为三个,分别是脱硫主流程网段、水处理网段以及硫酸生产和输送网段。 Organic amine acid desulfurization process according to a distributed control system as claimed in claim 3.- kind, wherein the number of said plurality of segments is three, namely the desulfurization main flow segment, and the segment water sulfuric acid production and transport segments.
  4. 4.一种如权利要求3所述的有机胺脱硫制酸工艺集散控制系统,其特征在于,所述脱硫主流程网段、水处理网段以及硫酸生产和输送网段分别包括多个独立的组,所述每一个独立的组内各配备一套独立的信号采集装置、I/O模件、控制器、通讯线路、电源以及控制机柜。 An organic amine acid of claim 3 desulfurization process as claimed in claim distributed control system, wherein the primary desulfurization process segment, and the production of sulfuric acid and water transport network include a plurality of independent segments group, each with a separate set of signal acquisition device, I / O module, the controller, communication lines, power supply in each individual group and a control cabinet.
  5. 5.一种如权利要求1至4任意一项所述的有机胺脱硫制酸工艺集散控制系统,其特征在于,所述每一个网段内配备一个工程师站。 An organic amine acid desulfurization process of the distributed control system according to any one of claims 1 to 4, wherein each of said engineering station is equipped with a network segment.
  6. 6.一种如权利要求1所述的有机胺脱硫制酸工艺集散控制系统,其特征在于,所述集散控制系统所控制的有机胺脱硫制酸工艺包括制氧臭氧工艺,对所述制氧臭氧工艺的控制纳入集散控制系统。 An organic amine acid desulfurization process of the distributed control system as claimed in claim 1, wherein said organic amine distributed process control system desulfurization acid controlled ozone process comprises oxygen, the oxygen process control of ozone into distributed control system.
  7. 7.—种如权利要求6所述的有机胺脱硫制酸工艺集散控制系统,其特征在于,所述制氧臭氧工艺控制的扫描频率为100ms。 Organic amine acid desulfurization process of the distributed control system as claimed in claim 6 7.- species, wherein said oxygen ozone process control scanning frequency of 100ms.
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