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WOODWARD 8237-1600邏輯模擬量順序模塊

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WOODWARD 8237-1600邏輯模擬量順序模塊

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型號：WOODWARD 8237-1600
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主營DCS控制系統備件，PLC系統備件及機器人系統備件，
優(yōu)勢品牌：Allen Bradley、BentlyNevada、ABB、Emerson Ovation、Honeywell DCS、Rockwell ICS Triplex、FOXBORO、Schneider PLC、GE Fanuc、Motorola、HIMA、TRICONEX、Prosoft等各種進口工業(yè)零部件
WOODWARD 8237-1600邏輯模擬量順序模塊 WOODWARD 8237-1600邏輯模擬量順序模塊 WOODWARD 8237-1600邏輯模擬量順序模塊
WOODWARD 8237-1600邏輯模擬量順序模塊
電氣自停已逐步被光電自停替代，光電從二路自停向多路自停發(fā)展。采用光電與八路檢測雙保險，能保證斷條、缺條立即停車。
繞皮輥、涌頭、壓輥繞花、滿桶等均設計有自停裝置，罩殼設有安全連鎖機構，同時用相應的有色燈顯示，方便操作處置。
FA311F 型高速并條機綜合國內外同類型的優(yōu)點，主電機采用變頻調速器，該機采用先系統設計與設備選型
1. 系統流程：
2. 工作原理：
中水處理系統是將生活污水還原成中水的處理過程。應用過的生活污水被集中在調水池中，由充氧機進行充氧。充氧后的水由提升泵提至生化池，由充氧機進行兩級生化。在處理過程中還要對生化過的水進行加藥，消毒，攪拌等工序，使其能夠達到二次使用的可能。處理過的中水由加壓泵打到回用池中，由供水泵供給用戶在利用。（主要用為沖廁或綠化用水）
3. 系統要求：
a. 調節(jié)池曝氣機
* 2臺（一用一備）380V/1.6KW 要有手/自動切換
* 手動方式：手動控制兩臺曝氣機的切換及每臺曝氣機的起停。
* 自動方式：自動控制兩臺曝氣機的切換。
要求：當運行曝氣機出現熱保護時自動轉換為備用機。
曝氣為間歇方式，曝氣半小時，間歇15分鐘，以保證生物菌存活。
b. 生化池曝氣機
* 一級生化池 2臺 380V/2.9KW（一用一備）
二級生化池 2臺 380V/1.6KW ( 一用一備)
* 手動方式：手動控制曝氣機起停。
* 自動方式：自動控制兩臺曝氣機的切換。
要求：當運行曝氣機出現熱保護時自動轉換為備用機。
曝氣機白天12小時連續(xù)運行，夜間進入休眠狀態(tài)，每隔一小時曝氣10分鐘。
c. 提升泵
* 2臺（一用一備）380V/2.2KW 要有手/自動切換
* 手動方式：手動控制兩臺泵的切換及每臺泵的起停。
* 自動方式：自動控制兩臺泵的切換。
要求：當運行泵出現熱保護時自動轉換為備用機。
PLC
根據液位自動控制泵的起停（高起低停），泵的起停與調節(jié)池，生化池液位聯動，防止溢水。
d. 加壓泵
* 2臺 （一用一備）380V/1.6KW 要有手/自動切換
* 手動方式：手動控制兩臺泵的切換及每臺泵的起停。
* 自動方式：自動控制兩臺泵的切換。
要求：當加壓泵出現熱保護時自動轉換為備用機。
由PLC根據液位自動控制泵的起停（高起低停），泵的起停與提升泵，供水泵，回用池液位聯動，防止溢水。
e. 中水供水泵
* 2臺（一用一備）380V/3KW 要有手/自動切換
* 手動方式：手動控制兩臺泵的切換及每臺泵的起停。
* 變頻恒壓供水方式：系統管網壓力高于設定時水泵減速運轉；低于設定加速運轉，一臺泵無法滿足流量值時另一臺泵自動投入運轉保證系統壓力達到設計要求。由PLC根據液位自動控制泵的起停（高起低停）同時與其它泵聯動。系統有超高超低報警及變頻器故障自動切換到工頻的功能。Electric self stop has been gradually replaced by photoelectric self stop, and photoelectric self stop has developed from two circuit to multiple circuit. Photoelectric and eight way detection double fuses are used to ensure that the train will stop immediately if the train is broken or missing.
Self stop devices are designed for the wrapping roller, head, pressing roller and full barrel, and the housing is equipped with a safety interlock mechanism. At the same time, corresponding colored lights are used for display, which is convenient for operation and disposal.
FA311F high-speed drawing frame combines the advantages of the same type at home and abroad. The main motor adopts a frequency converter. The machine adopts the first system design and equipment selection
1. System process:
2. Working principle:
The reclaimed water treatment system is a treatment process to restore domestic sewage into reclaimed water. The applied domestic sewage is concentrated in the water transfer tank and oxygenated by the oxygenator. The oxygenated water is lifted to the biochemical tank by the lift pump, and the oxygenator conducts two-stage biochemistry. In the process of treatment, biochemical water shall be added, disinfected, stirred and other processes to make it possible for secondary use. The treated reclaimed water is pumped into the reuse pool by the booster pump and supplied to the user by the water supply pump for reuse. (mainly used for toilet flushing or greening)
3. System requirements:
a. Aerator of regulating tank
*2 sets (one for use and one for standby) 380V/1.6KW shall have manual/automatic switching
*Manual mode: manually control the switching of two aerators and the start and stop of each aerator.
*Automatic mode: automatically control the switching of two aerators.
Requirements: when thermal protection occurs to the operating aerator, it will automatically switch to the standby machine.
Aeration is conducted in an intermittent manner, with an interval of half an hour and 15 minutes to ensure the survival of biological bacteria.
b. Biological tank aerator
Two 380V/2.9KW primary biochemical tanks (one for use and one for standby)
Two 380V/1.6KW secondary biochemical tanks (one for use and one for standby)
*Manual mode: manually control the start and stop of the aerator.
*Automatic mode: automatically control the switching of two aerators.
Requirements: when thermal protection occurs to the operating aerator, it will automatically switch to the standby machine.
The aerator operates continuously for 12 hours during the day, and enters into dormant state at night. Aeration lasts for 10 minutes every hour.
c. Lifting pump
*2 sets (one for use and one for standby) 380V/2.2KW shall have manual/automatic switching
*Manual mode: manually control the switching of two pumps and the start and stop of each pump.
*Automatic mode: automatically control the switching of two pumps.
Requirements: when the running pump has thermal protection, it will automatically switch to the standby machine.
PLC According to the liquid level, automatically control the start and stop of the pump (high start and low stop), and the start and stop of the pump are linked with the liquid level of the regulating tank and biochemical tank to prevent overflow.
d. Booster pump
*2 sets (one for use and one for standby) 380V/1.6KW shall have manual/automatic switching
*Manual mode: manually control the switching of two pumps and the start and stop of each pump.
*Automatic mode: automatically control the switching of two pumps.
Requirements: when the booster pump has thermal protection, it will automatically switch to the standby machine.
The PLC automatically controls the start and stop of the pump according to the liquid level (high start and low stop). The start and stop of the pump are linked with the liquid level of the lift pump, water supply pump and recycling pool to prevent water overflow.
e. Reclaimed water supply pump

*2 sets (one for use and one for standby) 380V/3KW shall have manual/automatic switching

*Manual mode: manually control the switching of two pumps and the start and stop of each pump.

*Variable frequency constant pressure water supply mode: when the system pipe network pressure is higher than the set value, the water pump will slow down; If one pump fails to meet the flow value when accelerating operation is lower than the set value, the other pump will automatically put into operation to ensure that the system pressure meets the design requirements. The PLC automatically controls the start and stop of the pump according to the liquid level (high start and low stop) and is linked with other pumps at the same time. The system has the function of ultra-high and ultra-low alarm and automatic switching to power frequency in case of inverter failure.