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Anda Tianhong Dairy Machinery Manufacturing Co., Ltd. > Evaporation Crystallizer > Wastewater Desalting Evaporator > Desalting Evaporator

Evaporator

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  • Evaporator
  • Evaporator
  • Evaporator
  • Evaporator
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price Negotiable
  • 脱盐 Model desalination
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  • 生产商 Manufacturer nature
  • 绥化市 Location Suihua

Updated: 2020-01-01 11:51:10 Views: 1334

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The evaporation crystallizer uses a single-effect evaporator such as a falling film evaporator, a rising film evaporator, a natural circulation evaporator, and a forced circulation evaporator, or a combination of the above evaporators to form a multi-effect evaporator. Multi-effect evaporators are divided into double-effect, three-effect, four-effect, five-effect or six-effect evaporators. $ r $ n In industrial production, a large amount of water must be consumed to evaporate a large amount of water. In order to reduce the consumption of heating steam, a multi-effect evaporation operation can be used. Multi-effect evaporation requires that the after-effect operating pressure and solution boiling point are lower than those of the pre-effect. Therefore, the pre-effect secondary steam can be introduced as the post-effect heating medium, that is, the post-effect heating chamber becomes Condenser, only the first effect needs to consume raw steam. This is the operating principle of multi-effect evaporation. Generally, the last effect or last effects of multi-effect evaporation devices are always operated under vacuum. Since the secondary steam of each effect (except the last effect) is used as the heating steam of the next effect evaporator, the utilization rate of the raw steam is improved, that is, economical. The $ r $ n process has four forms: co-current (advection), counter-current, mixed-flow (cross-flow), and co-current. The evaporation speed is fast, the evaporation energy consumption is low, and the evaporation concentration is high, so that the viscous material liquid is easy to flow and evaporate, and it is not easy to scale. It is one of the most advanced evaporation equipment in the world that combines evaporation and crystallization. The $ r $ n multi-effect evaporation crystallizer can be designed and manufactured according to user requirements, and the crystallization output of the material can reach 500 to 100,000 kg / h.

Product introduction

Operating pressure stress reliever structure type Vertical
power 55kw
Material flow: balance tank → preheating coil → one-effect heater → one-effect separator → two-effect separator → two-effect heater (clear liquid infinite circulation) → three-effect crystal separator → three-effect heater (clear liquid Infinite circulation) → The solid-liquid mixture is discharged to the stirring tank → the centrifuge → the solid is taken out, and the mother liquor is returned to the mother liquor barrel → the mother liquor is returned to the three effects (the mother liquor is not returned when the accumulation of impurities affects evaporation and is handled by Party A separately).

Detailed introduction

Process description

物料流程:平衡罐 预热盘管 一效加热器 一效分离器 二效分离器 二效加热器(清液无限循环) 三效结晶离器 三效加热器(清液无限循环) 固液混合物排出到搅拌罐 离心机 固体取出,母液到母液桶 母液返回到三效(杂质累积影响蒸发时母液不返回由甲方单独处理)。 I. Material flow: balance tank preheating coil one-effect heater one-effect separator two-effect separator two-effect heater (clear liquid infinite circulation) three-effect crystal separator three-effect heater ( Infinite circulation of liquids ) → The solid-liquid mixture is discharged to the mixing tank centrifuge solids are taken out, the mother liquor is returned to the mother liquor barrel → the mother liquor is returned to the three effects (the mother liquor does not return when the accumulation of impurities affects evaporation and is handled separately by Party A).

热源流程:生蒸汽首先进入分汽缸、蒸汽调节阀进入一效加热器壳层加热料液,料液在一效分离器内产生的二次蒸汽进入二效加热器壳层加热料液,料液在二效分离器内产生的二次蒸汽,进入三效加热器壳层加热料液,料液在三效分离器内产生的二次蒸汽进入冷凝器冷凝成水并排出。 II . Heat source process: The raw steam first enters the sub-cylinder, the steam regulating valve enters the shell of the first-effect heater to heat the liquid material, and the secondary steam generated in the one-effect separator enters the shell of the second-effect heater to heat the liquid material. The secondary steam generated by the material liquid in the two-effect separator enters the shell of the three-effect heater to heat the material liquid. The secondary steam generated by the material liquid in the three-effect separator enters the condenser to condense into water and is discharged.

冷凝水流程:一效加热器单独排放或者返回锅炉房,二效加热器 三效加热器 冷凝器 排出。 III . Condensate flow: The first-effect heater is discharged separately or returned to the boiler room, and the second-effect heater three-effect heater condenser discharge.

不冷凝汽流程:二效加热器 三效加热器 冷凝器。 IV . Non-condensing steam process: two-effect heater three-effect heater condenser.

The device control system is equipped with a touch screen (15 inches). The graphics on the touch screen are beautiful and generous. The graphics can display the operating status of each device of the processing system and instrument data in real time, and collect system fault alarm information and setting parameters (each setting parameter). (Can be modified), using PLC for control, and can choose to transmit the data to the general control center. This control system will use German Siemens PLC and analog input module. All sensors (such as: vacuum sensor; liquid level sensor; electromagnetic flow rate) (Meters; mass flow meters; proportional control valves, etc.) all use well-known brands, which is more intuitive, simple, convenient and more user-friendly than traditional controls. Each device in the system is individually configured with circuit breakers, thermal relays, and circuit breakers. Each device is equipped with manual operation and automatic operation to facilitate the commissioning of individual equipment and the joint commissioning of some systems during the initial commissioning of the system. And easy maintenance when the equipment fails. In the automatic running state, it can be set manually. All control cabinet panel switches, indicators, and meters are provided with sign boards (white text on a black background), which are arranged beautifully and neatly. The air switch and contactor inside the control cabinet are marked with the corresponding equipment name, and the wiring is marked with a number tube. An external power socket is reserved in the electric control cabinet, and internal ventilation lighting facilities are provided. The control system strictly sets equipment fault alarms and liquid level alarms. Simultaneous sound and light alarms are used. The buzzer can be silenced manually, but the fault lights remain on before troubleshooting. The electrical components and cables must not be made of low-quality counterfeit products to ensure stable and reliable use .

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