Self-Cleaning Evaporator

Self-Cleaning Evaporator | Fouling-Free Evaporation for Tough Effluents

Keep capacity steady and downtime near zero. Shachi’s self-cleaning evaporators use a fluidized bed of cleaning particles inside vertical shell-and-tube bodies to continuously scrub tube walls, stopping fouling before it starts and sustaining heat transfer over long campaigns.

What Shachi Offers

End-to-end engineered systems that integrate self-cleaning effects into MEE/TVR/MVR trains for high-solids, scaling, or sticky streams. You get a compact design (no over-dimensioning), higher uptime, and lower cleaning/maintenance costs, delivered with Shachi’s local execution and lifecycle support.

How the Self-Cleaning Works

The fouling liquid flows upward through specially designed tube inlets/outlets. A controlled circulation of solid cleaning media (fluidized by the liquid) provides gentle scouring that removes deposits as they form and disrupts the thermal boundary layer, preserving high heat-transfer coefficients.

Benefits We Promise

Key Features

Self-cleaning tube bundle with fluidized cleaning media and engineered headers
Compatible with MEE/TVR/MVR apply self-cleaning to select effects or the whole train
Stable heat transfer even on severe scalants (CaSO₄, organics, dyes, etc.)
Automation & safety: PLC/SCADA control for flow/level/temp and particle circulation; standard interlocks
Proven in the field with local references and service support

Not happy with scaling, high steam bills, or frequent cleaning?

We’ll audit effect loading, fouling indices, and cleaning cycles, then propose a hybrid train (self-cleaning + conventional bodies or MVR) tailored to your feed and utilities.

Applications We Serve

ETP/ZLD lines in textiles, dyes/intermediates, specialty chemicals, pharma waste, handles variable feeds and scalants

Process concentration where fouling has limited conventional forced-circulation or falling-film designs

Recent Project

Spray Dryer Manufacturer — Name: Spray Drying | Application: MCCP Application | Capacity: 1 TPH | Location: Cuddalore, India

Spray Dryer Supplier — Name: Spray Drying | Application: High Alumina Ceramic | Capacity: 102 kg/Hr Water Evaporation | Location: Bengaluru, India

Spray Dryer Application — Name: Spray Drying | Application: Water Evaporation | Capacity: 1480 kg/Hr Water Evaporation | Location: Nagpur, India

Benefits of Spray Dryer — Name: Spray Drying | Application: Multiple Applications, 45+ Spray Dryers Supplied | Capacity: | Location: Surat, India

Advantage of Spray Dryer — Name: Spray Drying | Application: Flavors & Fragrance | Capacity: 150 kg/Hr Water Evaporation | Location: Silvasa, India

Spray Dryer for nutraceutical — Name: Spray Drying | Application: Calcium Chloride (CaCl2) | Capacity: 3750 Kg/Hr. Water Evaporation

Recent Project

Name: ZLD Plant | Application: Process Effulents for API | Capacity: 100 KLD MEE Plant with KLAREN-Self-Cleaning technology | Location: Vizag, India

zero liquid discharge plant — Name: ZLD Plant | Application: RO Rejects from Steel Plants | Capacity: 20 KLD MVRE based with KLAREN-Self-Cleaning technology | Location: Sahibabad, India

MVR Plant — Name: ZLD Plant | Application: RO Rejects from Oleo Chemicals | Capacity: 52 KLD | Location: Krishnapatnam, India

ZLD Plant Manufacturer — Name: ZLD Plant | Application: Process Effulents for API | Capacity: 300 KLD MEE | Location: Vizag, India

Need help choosing the right configuration?

Share your feed analysis and targets; we’ll map the effect arrangement, body types, and energy scheme.

FAQs - Self-Cleaning Evaporators

What makes a self-cleaning evaporator different from a standard one?

A self-cleaning design circulates solid cleaning particles through the tube bundle so deposits are removed continuously, keeping tubes clean and U-values high. Standard units rely on periodic chemical/jet cleaning after fouling has already cut capacity.

Will the particles erode my tubes or contaminate product?

The particles are sized and material-matched to provide mild scouring (not abrasive milling). They remain in a controlled circuit within the effect and are kept out of the product/condensate streams by design.

Where in an MEE should I use self-cleaning, one effect or all?

Many plants equip the most fouling-prone effect(s) with self-cleaning and keep others conventional; others adopt self-cleaning throughout. The choice depends on fouling propensity, solids profile, and energy integration (TVR/MVR).

Can it pair with MVR to cut energy further?

Yes. MVR + self-cleaning sustains high transfer coefficients at low primary energy, improving stability and operating cost on difficult effluents.

What about very high-solids or scaling feeds (e.g., dyes/textile)?

This is a core use case: continuous scouring controls scale growth so you can hold capacity and extend run lengths between maintenance stops.

How does it impact CAPEX and footprint?

Because you don’t oversize to compensate for fouling, systems are more compact; lifecycle cost drops due to less cleaning infrastructure and downtime.

What data do you need to propose a system?

Complete feed analysis (salts/organics), viscosity vs. temperature, fouling history, inlet/target solids, temperature limits, desired energy scheme (MEE/TVR/MVR), utilities, and available space. With this, we size the effects, tube bundle, and particle circuit.