WO2022061580A1 - 一种垃圾焚烧发电厂垃圾池控制柜保护系统 - Google Patents

一种垃圾焚烧发电厂垃圾池控制柜保护系统 Download PDF

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Publication number
WO2022061580A1
WO2022061580A1 PCT/CN2020/117113 CN2020117113W WO2022061580A1 WO 2022061580 A1 WO2022061580 A1 WO 2022061580A1 CN 2020117113 W CN2020117113 W CN 2020117113W WO 2022061580 A1 WO2022061580 A1 WO 2022061580A1
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WIPO (PCT)
Prior art keywords
control cabinet
control
cabinet
garbage
protection system
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PCT/CN2020/117113
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English (en)
French (fr)
Inventor
陈联宏
孟道祥
Original Assignee
深圳市深能环保东部有限公司
深圳市能源环保有限公司
深圳市深能环保城市环境服务有限公司
潮州深能环保有限公司
桂林市深能环保有限公司
武汉深能环保新沟垃圾发电有限公司
单县深能环保有限公司
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Application filed by 深圳市深能环保东部有限公司, 深圳市能源环保有限公司, 深圳市深能环保城市环境服务有限公司, 潮州深能环保有限公司, 桂林市深能环保有限公司, 武汉深能环保新沟垃圾发电有限公司, 单县深能环保有限公司 filed Critical 深圳市深能环保东部有限公司
Priority to PCT/CN2020/117113 priority Critical patent/WO2022061580A1/zh
Publication of WO2022061580A1 publication Critical patent/WO2022061580A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating

Definitions

  • the invention relates to the technical field of municipal solid waste incineration, in particular to a protection system for a control cabinet of a waste pool in a waste incineration power plant.
  • waste incineration power generation is the mainstream waste treatment technology in my country.
  • the garbage pond As the upstream of the whole process of waste incineration, the garbage pond is the key link to ensure the stability of waste incineration.
  • the garbage pond is an impermeable cement storage pit with a closed and slightly negative pressure.
  • Above the garbage pond there are garbage cranes and supporting vehicles that undertake the work of feeding, transporting, mixing, sorting and stacking garbage.
  • Modern garbage cranes have complex control functions, and a control cabinet responsible for the movement of garbage cranes is installed on the supporting vehicles of garbage cranes.
  • a control cabinet or an electrical cabinet is generally only provided with a panel heating device to protect the control system.
  • toxic and harmful gases such as hydrogen sulfide, ammonia, carbon monoxide, etc.
  • it has caused great safety hazards on the site; on the other hand, when the garbage is fermented in summer, especially It is because the humidity in the air of the garbage pool in the southern region is relatively high, which is not conducive to the continuous and stable operation of the automation equipment in the control cabinet.
  • the present invention proposes a protection system for the control cabinet of the garbage pool of a waste incineration power plant, which is composed of a power supply, a power distribution device, a control unit, and a dehumidifier.
  • the dehumidifier is arranged in the middle of the side wall of the box body.
  • the upper limit is controlled by the control unit to control the operation of the dehumidifier and drain the condensed water to the outside of the cabinet.
  • an electric heating unit, an internal circulation fan, a humidity detector and a toxic and harmful gas detection device By adding an electric heating unit, an internal circulation fan, a humidity detector and a toxic and harmful gas detection device, the heating unit, the inner circulation fan, the humidity detector, and the toxic and harmful gas detection device are connected to the control unit through a control circuit.
  • the signal of the unit transmits parameters such as temperature, humidity and concentration of toxic and harmful gases of the control cabinet to the control room of the garbage crane operation through the communication line. It can effectively carry out remote monitoring and safety protection for the control cabinet of
  • the present invention provides a protection system for a control cabinet of a waste pool in a waste incineration power plant, which is composed of a power supply, a power distribution device, a first humidity detector and a dehumidifier, and the dehumidifier is arranged in the box body In the middle of the side wall, by setting the upper limit of humidity, the first humidity detector controls the operation of the dehumidifier and discharges the condensed water to the outside of the cabinet. It is characterized in that an electric heating unit, an internal circulation fan, a humidity detector and a poisonous and harmful gas detector are also arranged.
  • the electric heating unit and the internal circulation fan are installed at the bottom of the control cabinet, the humidity detector is installed at the entrance of the drainage storage bottle outside the control cabinet, the poisonous and harmful detection device is installed on the upper part of the control cabinet, the heating unit, The internal circulation fan, the humidity detector, and the poisonous and harmful monitoring device are connected to the control unit through a control line, and the signal of the control unit is transmitted to the remote garbage crane operation control room through a communication line.
  • the power supply is a dual power supply line.
  • control unit and the garbage crane controller adopt a bus communication protocol to transmit parameters such as temperature, humidity and concentration of toxic and harmful gases of the control cabinet to the garbage crane operation control room.
  • the toxic and harmful detection device adopts an electrochemical device for detecting the concentration of hydrogen sulfide, ammonia, and carbon monoxide.
  • the protection system for the control cabinet of a waste incineration power plant in a waste incineration power plant proposed by the present invention by adding an electric heating unit, an internal circulation fan, a humidity detector and a poisonous and harmful gas detection device, the heating unit, the internal circulation
  • the fan, humidity detector, and toxic and harmful monitoring device are connected to the control unit through a control line, and the signal of the control unit transmits parameters such as temperature, humidity, and toxic and harmful gas concentration of the control cabinet to the garbage crane operation control room through a communication line. . It can effectively carry out remote monitoring and safety protection for the control cabinet of the garbage pool.
  • FIG. 1 is a schematic structural diagram of a control cabinet protection system for a waste pond in an existing waste incineration power plant.
  • FIG. 2 is a control principle diagram
  • FIG. 3 is a perspective perspective view of an internal structure
  • FIG. 4 is a top view.
  • FIG. 1 is a schematic structural diagram of a control cabinet protection system for a waste pond in an existing waste incineration power plant.
  • a protection system for a control cabinet of a waste pond in a waste incineration power plant includes a control cabinet 1, a first power supply 2 is arranged above the inside of the control cabinet 1, and the power supply is provided to the control system through a power distribution device 4. The electric energy required for the operation of the comprehensive protection system.
  • a first humidity detector 9 and a dehumidifier 10 are installed on the upper part of the left side panel of the control cabinet.
  • the operation of the dehumidifier 10 is controlled by the first humidity detector 9, and when the ambient humidity exceeds the set value, the dehumidifier 10 works to realize the dehumidification function.
  • the prior art does not consider the problems of air circulation and drainage blockage, nor does it consider the possible impact of the control cabinet environment on each control element in the control cabinet.
  • FIG. 2 is a control principle diagram
  • FIG. 3 is a perspective perspective view of an internal structure
  • FIG. 4 is a top view.
  • a protection system for the control cabinet of a waste incineration power plant is composed of a power supply, a power distribution device, a first humidity detector and a dehumidifier.
  • the dehumidifier is arranged in the middle of the side wall of the box body.
  • the first humidity detector controls the operation of the dehumidifier and discharges the condensed water to the outside of the cabinet.
  • An electric heating unit, an internal circulation fan, a humidity detector and a toxic and harmful gas detection device are also provided.
  • the electric heating unit and the inner circulation fan are installed in the control panel.
  • the humidity detector is arranged at the entrance of the drainage storage bottle outside the control cabinet, the toxic and harmful detection device is installed on the upper part of the control cabinet, and the heating unit, the internal circulation fan, the humidity detector, and the toxic and harmful monitoring device are controlled
  • the line is connected with the control unit, and the signal of the control unit is transmitted to the remote garbage crane operation control room through the communication line.
  • Figure 2 shows a protection system for the control cabinet of a waste incineration power plant, including a control cabinet 1.
  • a first power supply 2 and a second power supply 3 are arranged above the control cabinet 1 to form a dual-circuit power supply.
  • the dual-circuit power supply is passed through the power distribution device. 4 Provide high stability power to the system.
  • the first power supply 2 and the second power supply 3 are connected to the control unit 5 through the rail-type bridge.
  • the control unit 5 and the communication unit 6 of the integrated protection system are arranged in the middle of the control cabinet 1 .
  • the communication interface 17 of the communication unit 6 is connected with its components in the control cabinet through a communication cable.
  • the lower part of the control cabinet is provided with a heating unit 7, the bottom plate of the control cabinet is installed with an internal circulation fan 8, and the upper part of the left side panel of the control cabinet is equipped with a first humidity detector 9 and a dehumidifier 10, and the dehumidifier 10 uses the principle of heat exchange to condense condensation.
  • the water is drained into the garbage pool outside the cabinet, and a second humidity detector 12 is provided at the inlet 11 of the drainage storage bottle outside the cabinet.
  • the toxic and harmful gas monitoring device 13 is arranged on the top of the control cabinet.
  • the control unit 5 is provided with a full-color liquid crystal display screen 14 , a function key group 15 and a running indicator light 16 .
  • the function button group 15 includes several groups of buttons, wherein the power start button and the function configuration button are included in the function button group 15 .
  • the operation indicator light 16 includes several groups of indicator lights, including displaying the status of system operation, failure and the like.
  • the inner circulation fan 8 keeps running at the lowest wind speed.
  • the heating unit 7 starts, and when the preset stop threshold is reached, the heating unit 7 stops running after a delay, and the delay time can be set through the function configuration.
  • the dehumidifier 10 When the first humidity detector 9 detects that the humidity inside the control cabinet reaches the set startup threshold, the dehumidifier 10 starts to work, and the internal circulation fan 8 automatically adjusts the wind speed according to the humidity in the control cabinet.
  • the dehumidifier 10 stops running after a delay, and the delay time can be set through the function configuration.
  • the dehumidifier 10 is running, if the humidity change of the second humidity detector 12 at the inlet 11 of the drainage bottle outside the cabinet does not reach the preset threshold within the preset time, the system will generate an alarm for abnormal operation of the dehumidifier.
  • the internal circulation fan 8 keeps running at a high speed, and at the same time, the system will generate an alarm for toxic and harmful gases. It will also be transmitted to the garbage crane operation control room through the communication unit 6 to remind the staff to increase the number of air changes in the garbage pool.
  • the temperature and humidity, toxic and harmful gases, and system working status in the protection system can also be transmitted to the control room of the garbage crane, so that the operator in the control room can timely understand the operating environment inside the control cabinet from the remote end. , to ensure the normal operation of the control cabinet.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

一种垃圾焚烧发电厂垃圾池控制柜保护系统，通过增设电加热单元、内循环风扇、湿度检测仪及有毒有害气体检测装置，所述加热单元、内循环风扇、湿度检测仪、有毒有害监测装置通过控制线路与所述控制单元相连，所述控制单元的信号通过通讯线路将控制柜的温度、湿度及有毒有害气体浓度等参数传输到垃圾吊操作控制室。能够有效地对垃圾池控制柜进行远程监护并进行安全保护。能够实现柜内空气的循环，有利于柜内空气湿度的及时排除，能够判断排水系统是否堵塞；能够实时监测控制柜内有害气体浓度，提供控制室人员监控依据，能够及时调整垃圾池换气周期，避免控制柜内控制系统的损坏。

Description

一种垃圾焚烧发电厂垃圾池控制柜保护系统 技术领域
本发明涉及城市生活垃圾焚烧技术领域，特别是涉及一种垃圾焚烧发电厂垃圾池控制柜保护系统。
背景技术
随着城市化进程加快和物质消费的日趋现代化，城镇生活垃圾焚烧占清运量比例逐年增高。目前，垃圾焚烧发电是我国主流的垃圾处理技术。
近年来随着信息技术、计算机技术和控制技术的不断发展，如何保证垃圾焚烧电厂高效连续稳定运转是垃圾焚发电行业长期困扰的技术问题。垃圾池作为垃圾焚烧整个过程的上游，是保证垃圾焚烧稳定的关键环节。一般垃圾池是密闭且微负压的防渗水泥储坑。垃圾池上方设置有承担垃圾的投料、搬运、搅拌、整理和堆积工作的垃圾吊及配套行车。
现代化垃圾吊控制功能复杂，在垃圾吊配套行车上设置有负责垃圾吊运动的控制柜。现有技术中，控制柜或电气柜一般只设置盘柜加热装置用于保护控制系统。但是由于垃圾池内在垃圾存储发酵过程中，一方面存在较高浓度的硫化氢、氨气、一氧化碳等有毒有害气体，对现场造成很大的安全陷患；另一方面，夏季垃圾发酵时，特别是南方区域垃圾池空气中湿度较大，不利于控制柜内自动化设备连续稳定运行。部分技术提出设置排水型除湿设备，但是未考虑控制柜内空气循环特点，往往容易形成除湿死角，当盘柜环境较差时，也未考虑排水堵塞的情况。同时，现有技术没有考虑控制柜内保护装置与现有控制系统的通讯，无法实现控制柜环境状态的监控，不能联动垃圾池换气设备。
实用新型内容
为了解决现有技术问题，本发明提出一种垃圾焚烧发电厂垃圾池控制柜保护系统，由电源、配电装置、控制单元、除湿器组成，除湿器设置于箱体侧壁中部，通过设置湿度上限，由控制单元控制除湿器运行并将冷凝水排至柜外。通过增设电加热单元、内循环风扇、湿度检测仪及有毒有害气体检测装置，所述加热单元、内循环风扇、湿度检测仪、有毒有害监测装置通过控制线路与所述控制单元相连，所述控制单元的信号通过通讯线路将控制柜的温度、湿度及有毒有害气体浓度等参数传输到垃圾吊操作控制室。能够有效地对垃圾池控制柜进行远程监护并进行安全保护。
本发明解决技术问题采用的技术方案是，本发明提供一种垃圾焚烧发电厂垃圾池控制柜保护系统，由电源、配电装置、第一湿度检测器和除湿器组成，除湿器设置于箱体侧壁中部，通过设置湿度上限，由第一湿度检测器控制除湿器运行并将冷凝水排至柜外，其特征是，还设置电加热单元、内循环风扇、湿度检测仪及有毒有害气体检测装置，所述电加热单元及内循环风扇安装在控制柜底部，所述湿度检测仪设置在控制柜外排水储瓶入口处，所述有毒有害检测装置安装在控制柜上部，所述加热单元、内循环风扇、湿度检测仪、有毒有害监测装置通过控制线路与所述控制单元相连，所述控制单元的信号通过通讯线路输送到远端的垃圾吊操作控制室。
优选的，所述电源为双电源线路。
优选的，所述控制单元与垃圾吊控制器采用总线通讯协议，将控制柜的温度、湿度及有毒有害气体浓度等参数传输到垃圾吊操作控制室。
优选的，所述有毒有害检测装置采用电化学装置用于检测硫化氢、氨气、一氧化碳气体的浓度。
本发明的有益效果：本发明提出的一种垃圾焚烧发电厂垃圾池控制柜保护系统，通过增设电加热单元、内循环风扇、湿度检测仪及有毒有害气体检测装置，所述加热单元、内循环风扇、湿度检测仪、有毒有害监测装置通过控制线路与所述控制单元相连，所述控制单元的信号通过通讯线路将控制柜的温度、湿度及有毒有害气体浓度等参数传输到垃圾吊操作控制室。能够有效地对垃圾池控制柜进行远程监护并进行安全保护。能够实现柜内空气的循环，有利于柜内空气湿度的及时排除，能够判断排水系统是否堵塞；能够实时监测控制柜内有害气体浓度，提供控制室人员监控依据，能够及时调整垃圾池换气周期，避免控制柜内控制系统的损坏。
附图说明
图1为现有垃圾焚烧发电厂垃圾池控制柜保护系统的结构示意图。
图2-图4为本发明提出的第一个实施例的结构示意图，其中，图2为控制原理图，图3为内部结构立体透视图，图4为俯视图。
图中：
1.控制柜，
2.第一电源，
3.第二电源，
4.配电装置，
5.控制单元，
6.通讯单元，
7.加热单元，
8.内循环风扇，
9.第一湿度检测仪，
10.除湿器，
11.柜外排水储瓶入口，
12.第二湿度检测仪，
13.有毒有害气体监测装置，
14.全彩液晶显示屏，
15.功能按键组，
16.运行指示灯，
17.通讯接口。
具体实施方式
图1为现有垃圾焚烧发电厂垃圾池控制柜保护系统的结构示意图。图中显示，现有技术中，一种垃圾焚烧发电厂垃圾池控制柜保护系统，包括控制柜1，在控制柜1内部上方布置有第一电源2，电源经配电装置4向控制系统提供所述综合保护系统运行所需的电能。在控制柜的左侧侧板上部安装有第一湿度检测仪9和除湿器10。
现有系统运行时，通过第一湿度检测仪9控制除湿器10运行，当环境湿度超过设定值时，除湿器10工作，实现除湿功能。但现有技术没有考虑空气循环及排水堵塞问题，更没有考虑控制柜环境对控制柜内各控制元件可能造成的影响。
图2-图4为本发明提出的第一个实施例的结构示意图，其中，图2为控制原理图，图3为内部结构立体透视图，图4为俯视图。
本例中，一种垃圾焚烧发电厂垃圾池控制柜保护系统，由电源、配电装置、第一湿度检测器和除湿器组成，除湿器设置于箱体侧壁中部，通过设置湿度上限，由第一湿度检测器控制除湿器运行并将冷凝水排至柜外，还设置电加热单元、内循环风扇、湿度检测仪及有毒有害气体检测装置，所述电加热单元及内循环风扇安装在控制柜底部，所述湿度检测仪设置在控制柜外排水储瓶入口处，所述有毒有害检测装置安装在控制柜上部，所述加热单元、内循环风扇、湿度检测仪、有毒有害监测装置通过控制线路与所述控制单元相连，所述控制单元的信号通过通讯线路输送到远端的垃圾吊操作控制室。
图2显示，一种垃圾焚烧发电厂垃圾池控制柜保护系统，包括控制柜1，控制柜1内部上方布置有第一电源2和第二电源3形成双路供电，双路供电经配电装置4向系统提供高稳定性电源。第一电源2和第二电源3通过导轨式桥架接入到控制单元5。
在控制柜1内部中间设置所述综合保护系统的控制单元5和通讯单元6。通讯单元6的通讯接口17通过通讯电缆与控制柜中其元件连接。
所述控制柜下部设置有加热单元7，控制柜底板安装有内循环风扇8，控制柜左侧侧板上部装有第一湿度检测仪9和除湿器10，除湿器10通过热交换原理将冷凝水排至柜外垃圾池内，在柜外排水储瓶入口11设置有第二湿度检测仪12。有毒有害气体监测装置13布置在控制柜顶部。
控制单元5设置有全彩液晶显示屏14，功能按键组15和运行指示灯16。功能按键组15包括若干组按键，其中电源启动按键、功能组态按键均包含在功能按键组15中。运行指示灯16包含若干组指示灯，包括显示系统运行、故障等状态。
使用时，当控制柜温湿度、有毒有害气体浓度正常时，内循环风扇8保持最低风速运行。当控制柜内温度低于设定的启动阀值时，加热单元7启动，达到预设的停止阀值时，加热单元7延时停止运行，延迟 时间可以通过功能组态设置。
当第一湿度检测仪9检测到控制柜内部的湿度达到设定的启动阀值时，除湿器10开始工作，同时内循环风扇8根据控制柜内的时湿度大小自动调整风速。当控制柜内部的湿度达到设定的停止阀值时，除湿器10延时停止运行，延迟时间可以通过功能组态设置。当除湿器10运行时，柜外排水储瓶入口11处设置的第二湿度检测仪12在预设时间内湿度变化未达到预设的阀值，系统将产生除湿器工作异常报警。
当控制柜内硫化氢、氨气或一氧化碳等任何一种有毒有害气体的浓度达到预设的报警阀值时，内循环风扇8保持高转速运行，同时系统将产生有毒有害气体报警，所述报警还将通过通讯单元6传输至垃圾吊操作控制室，提醒工作人员加强垃圾池换气次数。
利用通讯单元6的预留通讯接口17，还可以将保护系统内温湿度、有毒有害气体、系统工作状态传输至垃圾吊控制室，便于控制室操作人员从远端及时了解控制柜内部的运行环境，保证控制柜的正常运行。

Claims (4)

  1. 一种垃圾焚烧发电厂垃圾池控制柜保护系统，由电源、配电装置、第一湿度检测器和除湿器组成，除湿器设置于箱体侧壁中部，通过设置湿度上限，由第一湿度检测器控制除湿器运行并将冷凝水排至柜外，其特征是，还设置电加热单元、内循环风扇、湿度检测仪及有毒有害气体检测装置，所述电加热单元及内循环风扇安装在控制柜底部，所述湿度检测仪设置在控制柜外排水储瓶入口处，所述有毒有害检测装置安装在控制柜上部，所述加热单元、内循环风扇、湿度检测仪、有毒有害监测装置通过控制线路与所述控制单元相连，所述控制单元的信号通过通讯线路输送到远端的垃圾吊操作控制室。
  2. 根据权利要求1所述的一种垃圾焚烧发电厂垃圾池控制柜保护系统，其特征是，所述电源为双电源线路。
  3. 根据权利要求1所述的一种垃圾焚烧发电厂垃圾池控制柜保护系统，其特征是，所述控制单元与垃圾吊控制器采用总线通讯协议，将控制柜的温度、湿度及有毒有害气体浓度等参数传输到垃圾吊操作控制室。
  4. 根据权利要求1所述的一种垃圾焚烧发电厂垃圾池控制柜保护系统，其特征是，所述有毒有害检测装置采用电化学装置用于检测硫化氢、氨气、一氧化碳气体的浓度。
PCT/CN2020/117113 2020-09-23 2020-09-23 一种垃圾焚烧发电厂垃圾池控制柜保护系统 WO2022061580A1 (zh)

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