Evaporation crystallizer is a kind of crystallizer; it is widely used in water treatment industry, pharmaceutical industry, food industry and chemical industry etc.
Global evaporation crystallizer market was valued at 3865 Million US$ in 2018 and is projected to reach 5592 Million US$ by 2024, at a CAGR of 6.35% during the forecast period
Evaporation crystallizer can be divided into three types: forced circulation crystallizer, oslo type crystallizer and DTB Crystallizer. 
The most common type is the forced circulation crystallizer. A pumping device (a pump or an axial flow mixer) keeps the crystal slurry in homogeneous suspension throughout the tank, including the exchange surfaces; by controlling pump flow, control of the contact time of the crystal mass with the supersaturated solution is achieved, together with reasonable velocities at the exchange surfaces. The particle size produced by forced circulation crystallizer is 0.2 – 0.8 mm. So the forced circulation crystallizer is usually used in water treatment, organic solvent solution etc.
Oslo Type Crystallizer is a refining of the evaporative forced circulation crystallizer, now equipped with a large crystal settling zone to increase the retention time (usually low in the FC) and to roughly separate heavy slurry zones from clear liquid. Evaporative crystallizers tend to yield larger average crystal size and narrow the crystal size distribution curve. The particle size produced by oslo type crystallizer is 1.5 – 5.0 mm. So the oslo type crystallizer is usually used in pharmaceutical industry and chemical industry.
DTB crystallizer is a kind of slurry circulating crystallizer. DTB crystallizers are for superior control over crystal size and characteristics. The DTB crystallizer is built in both the adiabatic cooling and evaporative types and consists of a body in which growing crystals are circulated from the lower portion to the boiling surface by means of a large, slow-moving propeller circulator. This type of crystallizer is used primarily in the production of a variety of large-size crystalline materials such as ammonium sulfate, potassium chloride and ammonium phosphate for the fertilizer industry.
As people pay more attention to environment, the market for forced circulation crystallizer will be bigger and bigger.
Key players in global evaporation crystallizer market include: Saltworks Technologies, Veolia Water Technologies, Swenson Technology, Thermal Kinetics, ALAQUA, Buflovak, LEC Industries, Katsuragi Industry, Tsukishima Kikai, Kimura Chemical Plants, Cologne Petrochemical, Beinuo Machinery, Myande Group, Dea chemical