Fully Automatic Ultrafiltration Equipment for Industrial Water Treatment

Fully Automatic Ultrafiltration Equipment for Industrial Water Treatment

Fully automatic ultrafiltration equipment has become the mainstream automated water filtration solution for modern factories to realize unattended water purification, sewage reuse and circulating water treatment projects around the world. As a seasoned manufacturer providing integrated industrial liquid filter solutions with independent R&D and whole-process production capabilities, Xinxiang Lifeierte Filter Corp., Ltd supplies diversified automated UF products including standard Professional Ultrafiltration Purification Equipment, combined Ultrafiltration and Reverse Osmosis System, high-flux Roll Type Ultrafiltration Membrane Equipment, and large-capacity Large Scale Ultrafiltration Water Purification Equipment to satisfy automatic operation demands of small workshops, medium processing plants and large industrial parks. This paper comprehensively elaborates the structural composition, automatic operation logic, detailed technical indicators, strict factory inspection standards and multi-industry application value of fully automatic ultrafiltration equipment, helping global industrial buyers select matched automatic UF devices to cut manual management costs, stabilize long-term effluent quality and lower overall water treatment operating expenditure.

1. Product Introduction of Fully Automatic Ultrafiltration Equipment

Fully automatic ultrafiltration equipment takes modified PVDF hollow fiber ultrafiltration membrane as the core filtering medium, and is equipped with PLC touch screen control cabinet, automatic backwash assembly, automatic chemical dosing cleaning device, online pressure & flow real-time monitoring module, booster pump group and stainless steel integrated frame to realize full-process automatic operation without manual intervention. Different from traditional manual-controlled ultrafiltration devices, this automatic model can independently complete water production, regular backwashing, timing CIP chemical cleaning, differential pressure pollution early warning and fault automatic alarm according to preset program parameters.

For conventional industrial raw water purification and workshop wastewater primary filtration, customers can choose our mature Professional Ultrafiltration Purification Equipment, which is equipped with basic automatic operation programs and is cost-effective for most common water treatment working conditions. When the production line needs ultrafiltration pretreatment matched with reverse osmosis desalination system, the integrated automatic Ultrafiltration and Reverse Osmosis System adopts unified PLC linkage control, synchronizing the running rhythm of UF and RO units to avoid system mismatching caused by separate manual operation. For high-pollution wastewater, high-flow circulating water treatment scenarios, our Roll Type Ultrafiltration Membrane Equipment with automatic pollution discharge and cleaning program greatly improves anti-fouling ability during long-time continuous operation. For large industrial parks, municipal reclaimed water stations and centralized factory water supply projects, the customized Large Scale Ultrafiltration Water Purification Equipment supports multi-membrane module group centralized automatic control and remote data transmission, convenient for enterprise centralized management of multiple sets of water treatment equipment.

All automatic control programs are independently compiled by our technical team, supporting parameter modification according to local water quality characteristics. Standard frame and pipeline materials adopt food-grade 304 stainless steel; 316L stainless steel and anti-corrosion lining materials are optional for chemical, electroplating and other corrosive wastewater environments. The whole equipment is skid-mounted integrated design, realizing plug-and-play after on-site water and electricity connection, greatly shortening the installation and debugging cycle for overseas customers.

2. Working Principle of Fully Automatic Ultrafiltration Equipment

The operation of fully automatic ultrafiltration equipment is divided into four automatic cyclic stages: automatic water production, automatic cross-flow flushing, automatic backwashing and automatic chemical cleaning, all executed automatically by the built-in PLC program.

Stage 1: Automatic Normal Water Production

After the system is started with one button, the PLC automatically starts the raw water booster pump. Raw water enters the hollow fiber membrane component under stable pressure of 1.0–3.6 bar. Through the physical interception of 0.01~0.1μm membrane micropores, water molecules pass through the membrane to form qualified produced water for industrial use, while suspended solids, colloids, bacteria and macromolecular organic pollutants are intercepted on the membrane surface. The system keeps low-speed cross-flow concentrated water discharge to reduce pollutant accumulation.

Stage 2: Automatic Timed Cross-flow Scouring

According to the preset interval parameter, the PLC automatically opens the concentrated water drain valve to increase the flow velocity of membrane surface fluid, scouring loose dirt attached to the membrane surface outward to slow down membrane fouling speed.

Stage 3: Programmed Automatic Backwashing

When the running time reaches the set value or the system detects that the transmembrane pressure difference exceeds the threshold, the equipment automatically switches the pipeline direction, uses clean produced water for reverse backwashing to peel off the pollutants deposited inside the membrane pores, and discharges sewage automatically without manual valve operation.

Stage 4: Regular Automatic CIP Chemical Cleaning

After weeks or months of continuous operation, the system will automatically start the dosing pump to add matched acid and alkali cleaning agents into the membrane system for circulating cleaning, decompose organic dirt and biological slime, restore the original water flux of the membrane module, and automatically discharge waste liquid after cleaning is completed.

Meanwhile, the real-time monitoring module uploads pressure, flow and equipment operating status data to the touch screen, and triggers an automatic alarm once abnormal parameters occur to protect the safe operation of the whole set of equipment.

3. Universal Technical Parameters of Fully Automatic Ultrafiltration Equipment 

1. Membrane material: Modified anti-fouling PVDF hollow fiber membrane

2. Pore size: 0.01 μm ~ 0.1 μm; Molecular weight cutoff: 50 kDa / 100 kDa optional

3. Permissible working temperature: 5℃ ~ 45℃; Applicable pH: Operation 2–11, cleaning 1–13

4. Design flux range: 20 ~ 70 LMH (adjusted automatically by program according to water quality)

5. Automatic System Operating Indicators

6. Stable working pressure: 1.2 bar ~ 3.3 bar; System water recovery rate: 78% ~ 90%

7. Effluent turbidity ≤ 0.1 NTU; Interception rate of bacteria and microorganisms ≥ 99.99%

8. Automatic backwash period: freely settable from 10 min to 60 min

9. Automatic chemical cleaning cycle: adjustable from 1 month to 6 months

10. Automatic Control & Hardware Configuration

11. Control system: Color touch screen + PLC automatic control, supports remote monitoring communication interface

12. Single equipment handling capacity: customizable range 0.2 t/h ~ 300 t/h

13. Frame & pipeline: Standard 304 stainless steel, customized 316L stainless steel for special working conditions

4. Quality Control System for Fully Automatic Ultrafiltration Equipment

Our factory strictly implements ISO9001 quality management system and CE certification standards in the whole production process of fully automatic ultrafiltration equipment.

Raw material incoming inspection: Membrane filaments, stainless steel materials, pumps, valves, PLC controllers and sensors are sampled and tested before warehousing to block unqualified raw materials at the source.

Production process inspection: Welding, membrane assembly, pipeline connection and automatic circuit debugging are inspected by dedicated quality inspectors with complete traceable records for each process.

Whole machine factory test: Every finished automatic ultrafiltration equipment must pass hydraulic pressure test, 72-hour simulated automatic cyclic operation test and control program function debugging before delivery to avoid operation faults after arriving at the customer site.

Export packaging: Moisture-proof, shock-proof and rust-proof export-grade packaging is adopted to adapt to long-distance ocean transportation for overseas orders.

With standardized operation and maintenance, the service life of PVDF ultrafiltration membrane reaches 5–8 years. We provide global spare parts supply and lifelong free remote technical guidance for all customers purchasing our automatic ultrafiltration equipment.

5. Main Application Fields of Fully Automatic Ultrafiltration Equipment

Industrial pure water RO pretreatment: Automatically stabilize RO inlet water quality index, reduce manual detection and maintenance work of reverse osmosis system

Factory production wastewater reuse: Realize automatic treatment of biochemical tail water for cooling water and workshop washing water reuse to save freshwater costs

Food, beverage and dairy production water purification: Meet hygienic water standards with automatic disinfection and cleaning program to ensure production safety

Pharmaceutical purified water preparation: Unattended graded filtration guarantees stable microbial indicators in pharmaceutical process water

Municipal reclaimed water advanced treatment: Automatic operation for large-scale urban miscellaneous water production for greening and road cleaning

Electroplating, printing and dyeing wastewater filtration: Automatic pollutant discharge and cleaning reduce the failure rate of wastewater treatment equipment

FAQ 

Q1: Can fully automatic ultrafiltration equipment run 24 hours a day without manual duty?

A: Yes. The complete PLC closed-loop program can realize 24-hour continuous automatic water production, flushing and cleaning, only needing regular simple routine inspection by staff.

Q2: Can the automatic program parameters be modified according to local raw water quality conditions?

A: All running parameters including backwash time, cleaning cycle and alarm threshold can be modified freely on the touch screen, and our engineers can provide remote parameter debugging guidance for overseas users.

Q3: What is the service life of the core membrane component of automatic ultrafiltration equipment?

A: Under normal automatic cleaning and maintenance, the service life of PVDF hollow fiber ultrafiltration membrane is 5–8 years; control components and stainless steel structures can be used stably for more than 10 years.

Q4: Will English operation manuals and program instructions be provided for exported equipment?

A: Each exported equipment is equipped with complete English operation manual, electrical schematic diagram, program description document and operation video tutorial to support customers’ operation and management.

Q5: What is the after-sales warranty policy for fully automatic ultrafiltration equipment?

A: The whole machine frame, pump valves and automatic control system enjoy a 1-year free warranty; membrane elements are consumables not covered by warranty, and we provide cost-price membrane replacement service permanently.

Q6: Is fully automatic ultrafiltration equipment suitable for high-temperature and strong corrosive wastewater treatment?

A: Standard automatic equipment is applicable to conventional normal temperature water quality; we can configure anti-corrosion pipelines and high-temperature resistant membrane materials to customize automatic ultrafiltration devices for harsh working conditions.

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