Product Overview
The chain‑free inclined‑base paper band filter adopts inclined perforated base plate without submerged chain‑mesh. Solid‑liquid separation relies on gravity static pressure. When filter cake blocks the non‑woven filter paper, liquid level rises and triggers automatic paper advance. Dirty filter paper is discharged while fresh paper is laid for next filtration cycle. The inclined outlet section drains residual cutting fluid back to tank, saving both coolant and filter paper, avoiding liquid spillage in workshop.
Unit can work standalone or combine with magnetic separator, oil skimmer, chiller for complete coolant treatment system. Custom dimensions and configurations are available.
Key Advantages
✅ Chain‑Free Design: No submerged chain mesh. Eliminate rust, chain jam, metal debris secondary contamination. Less failure rate & easy maintenance.
✅ Inclined Perforated Base & Static‑Pressure Filtration: Deeper liquid pool improves filtration performance. Support high‑density filter media for finer filtration. Inclined outlet drains dirty paper to recover cutting fluid, cut consumable cost.
✅ Full‑Automatic Unattended Operation: Liquid‑level sensor triggers auto paper feeding. Stop automatically after paper replacement. Overflow protection prevents liquid overflow even if level switch fails.
✅ Compact Footprint: Smaller space occupation vs conventional chain‑type paper band filter. Modular design, can be embedded into customer‑owned tank or supplied with integrated tank.
✅ Corrosion‑Resistant Construction: Carbon steel coating or SS304 stainless steel for emulsion coolant, cutting oil, weak corrosive washing fluid. Low‑power geared motor, less paper‑feed frequency.
✅ Rich Optional Modules: Oil‑water skimmer, filter‑paper end alarm, dirty & clean liquid pump set, waste paper collecting box.
Working Principle
Contaminated coolant from machine tools flows onto non‑woven filter paper.
Metal chips are trapped to form filter cake; clean fluid passes through perforated base into clean‑liquid chamber.
Filter cake thickens, flow capacity drops and dirty‑liquid level rises.
Level sensor activates geared motor; dirty paper is discharged and new filter paper is laid.
Liquid level drops, motor stops, filtration cycle restarts.
Inclined outlet drains residual coolant back to tank to reduce waste.
Technical Specifications
Item | Parameter |
|---|
Filtration Principle | Gravity static‑pressure filtration |
Flow Rate | 25‑200 L/min (customizable) |
Filtration Accuracy | 20‑60 μm (depends on filter paper 30‑110g/㎡) |
Filter Paper Width | 300‑720 mm custom |
Material | Carbon steel painting / SS304 stainless steel |
Control | Auto liquid‑level control + manual mode |
Drive | Geared reduction motor |
Applicable Fluid | Emulsion coolant, cutting oil, grinding washing liquid, weak corrosive industrial fluid |
Installation | Stand‑alone unit / Embedded into customer tank |
Application
‑ Surface grinder, cylindrical grinder, internal grinder, honing machine, grinding equipment
‑ Coolant purification for precision machining workshops
‑ Washing‑liquid filtration for parts washing machines
‑ Hardware, auto‑parts, bearing precision grinding production lines
Optional Accessories
▪ Magnetic separator for iron chip pre‑separation
▪ Oil‑water skimmer unit
▪ Filter‑paper end alarm
▪ Dirty & clean liquid pump package
▪ Waste filter‑paper collecting bin
▪ Integrated liquid tank
▪ CE certified electric control box
FAQ
Q: What is the main difference vs traditional chain‑driven paper band filter?
A: No submerged chain mesh. Avoid rust, chain jamming and secondary metal contamination. Inclined draining base reduces filter‑paper consumption and maintenance work.
Q: Is it suitable for cutting oil?
A: Yes, select oil‑resistant non‑woven paper and stainless steel version is recommended.
Q: Can you customize flow rate and dimension?
A: Yes, OEM & custom service available according to your flow demand and installation space.
Q: What consumables are needed?
A: Industrial non‑woven filter paper roll, weight 30‑110g/㎡ optional. We can supply filter paper together.
We provide drawing confirmation, technical selection, real‑machine video and factory visit. OEM customization available, welcome to request quotation.
