Triple-effect evaporator

Product Overview

The three-effect evaporator utilizes simultaneous three-effect evaporation, with the secondary steam undergoing repeated action. This not only reduces the investment in boilers but also saves energy consumption, cutting energy usage by 70% compared to single-effect concentrators. Users can recoup the full investment in the concentrator within less than a year from energy savings. The three-effect evaporator employs external heating, natural circulation, and vacuum evaporation methods, offering fast evaporation rates and high concentration ratios up to 1.2-1.3. It is suitable for concentrating solutions in traditional Chinese medicine, Western medicine, starch, monosodium glutamate, dairy products, chemicals, and more, especially for low-temperature vacuum concentration of heat-sensitive materials. Users can select from the technical specifications of the series of concentrators according to their actual needs.

Product Features

This equipment utilizes a tube bundle type circulation external heating principle, resulting in short heating time for materials, rapid evaporation, high concentration ratio, and effective retention of the original efficacy of the materials.

Energy-saving effect is excellent, saving about 70% of evaporation compared to single-effect evaporators. Material is evaporated and concentrated in a closed system, ensuring a clean and comfortable environment; the unique defoaming device of this system prevents material leakage.

All contact parts are made of imported stainless steel and polished for excellent corrosion resistance, easy cleaning, and compliance with food hygiene regulations. Available with a microcomputer control system for simple operation and stable performance.

Application Scope

Wastewaters that are not suitable for treatment by biological, chemical, or membrane processes, such as high-salt wastewater, electroplating wastewater, dyeing wastewater, etc.; and the evaporation and crystallization of sodium chloride, potassium chloride, sodium sulfate, sodium sulfite, copper sulfate, magnesium chloride, ferric chloride, ammonium chloride, barium chloride, copper chloride, calcium chloride, nickel sulfate, sodium hydroxide, potassium salicylate, sodium carbonate, zinc sulfate, potassium fluoroaluminate, fumaric acid, manganese sulfate, and ammonium fluoride.

High-value-added manufacturers' wastewater contains recyclable resources, such as those in the electronics industry, printed circuit boards, precious metal recovery, and film duplicating.

During the production process, liquid concentration, such as: electroplating liquid concentration, process concentration, high-concentration liquid incineration pretreatment concentration, and chemical process concentration, etc.

Machining industry cutting oil.

Working Principle

The three-effect evaporator crystallizer takes a conical shape under the action of the conduit筒, with the cross-sectional area gradually increasing from bottom to top, thus the flow velocity decreases as it flows through the crystallization chamber. According to the sedimentation principle, crystals, being heavier, settle faster. The bottom of the evaporation chamber has a conical bottom to facilitate material sedimentation and discharge. Additionally, there's a conduit in the middle of the evaporation chamber for easy solid-liquid separation. Crystals settle to the bottom in the conduit and into the bottom of the ceramic precipitation leg. The mother liquor at the edge of the evaporation chamber is connected to the circulation pipeline and pump. The circulation pump sends the material to the heater, where it is heated and then enters the evaporation and separation chamber tangentially, continuously circulating; the crystallized particles are then transferred into the slurry pump for discharge.

Maintenance Instructions

1) Replace the lubricating oil twice within the first month of use, then replace it once every 3-4 months thereafter.

2) After opening the low head, loosen the bolt at the bottom of the rotor U-slot, and check and replace the scraper every four months.

3) Every two months, open the bottom bearing, inspect the wear condition of the bottom bearing, and replace it if necessary.

4) Regularly soak and clean the inner cylinder with warm water or solvent, based on the material properties.

5) Add sealant fluid to the mechanical seal chamber once a month, using 20# mechanical oil.

Technical Specifications