MVR tubular falling film + forced circulation evaporation complete set device

Evaporation capacity: 20 tons per hour

Evaporation process: MVR falling film +MVR forced circulation

Material: Ammonium sulfate solution

Concentration: Crystallization discharge

Main material: 316L

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Working principle
Product Overview
FAQ

Working principle

1. MVR falling film evaporation (high-speed pre-concentration)
Ammonium sulfate solution flows in a thin film along the tube wall inside the falling film evaporator. It features a fast evaporation rate and a high heat transfer coefficient, making it highly suitable for dehydration in the early stage with large evaporation volumes.

2. MVR Forced circulation Evaporation (Crystallization Section)
The pre-concentrated high-salt solution enters the forced circulation section of the MVR and is driven by the circulation pump to flow at high speed, maintaining stable heat exchange efficiency while preventing the deposition of ammonium sulfate crystals and pipeline blockage.

3. Crystallization and discharge
The material gradually thickens in the system and is automatically and stably discharged after reaching the crystallization point. It can be seamlessly connected with centrifuges, filters or crystallizers.

The dual MVR process maximizes the utilization of latent heat of secondary steam, achieving extremely low energy consumption operation.

Product Overview

The MVR falling film + MVR forced circulation evaporation system is a highly efficient and energy-saving evaporation device specially designed for the crystallization treatment of ammonium sulfate solution. With an evaporation capacity of 20 tons per hour, it is suitable for the large-flow continuous concentration and crystallization conditions of ammonium sulfate solution.

The system adopts a "dual MVR structure" :

MVR falling film section → Achieve rapid and high-flow dehydration

MVR forced circulation section → Stabilize the crystallization condition and reduce the risk of scaling

All parts in contact with materials are made of 316L stainless steel, which is corrosion-resistant and has a long service life. It is suitable for the long-term operation requirements of the fertilizer, fine chemical and salt resource utilization industries.

Key Features & Benefits

1.Ultra-high energy efficiency (dual MVR

2. The best combination of falling film and forced circulation

3. Made of 316L material, it has strong corrosion resistance

4. Continuous crystallization, suitable for large industrial production capacity

5. Highly automated operation

FAQ

What materials is this system applicable to?
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It is specifically designed for the evaporation, concentration and crystallization discharge of ammonium sulfate solution, and is also applicable to the working conditions of other easily crystallized/high-salt inorganic salt solutions.
What is the standard evaporation capacity? Can it be customized?
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The standard evaporation capacity is 20 tons per hour, and it can be customized according to the feed concentration, target output, crystallization method and on-site public utility conditions.
Why adopt "MVR falling film + MVR forced circulation"?
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The falling film section is responsible for high-flow rapid evaporation with high efficiency. The forced circulation section is specifically designed for high-concentration crystallization conditions, featuring anti-scaling and anti-clogging properties. The two-stage combination is more suitable for the continuous crystallization production of ammonium sulfate.
Can crystallization and discharge be achieved? Is it running stably?
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Sure. Forced circulation maintains a high flow rate and stable heat exchange, effectively reducing the risk of crystal deposition. It is suitable for 24/7 long-term continuous operation and crystal discharge conditions.
How about the energy consumption? Is there a high demand for external steam supply?
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Low energy consumption. MVR recovers the latent heat of secondary steam, significantly reducing the demand for external steam supply. The overall operating cost can be notably lower compared to traditional evaporation systems (subject to specific calculation based on working conditions).

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