Hydraulic Filter Press

What is Hydraulic Filter Press?

Hydraulic filter press, also called automatic hydraulic filter press, is a dewatering equipment that utilizes slurry pump pressure to make the liquid come out through the filter cloth, which is divided into chamber filter press and plate filter press.
Plate and frame filter can be widely used in pharmaceutical, chemical, standard parts, pharmaceutical, metallurgy, non-standard screws, dyestuff, food, brewing, ceramics, oil refining, sewage treatment and other environmental protection industries.

Hydraulic chamber filter press plastic steel filter plate precision casting molding, high temperature and high pressure resistance, durable; programmable control, automatic operation.

If you are a beginner and do not know about Hydraulic Filter Press, tell us your raw material characteristics, finished product requirements, site conditions, production budget, hourly production, and other requirements, we have professional engineers to equip you with a suitable model at a reasonable price. Next, let’s see the types of Hydraulic Filter Press we can supply.

What Is Hydraulic Filter Press Used For?

Hydraulic chamber filter press scope of use: applicable to concentrate filtration, tailings filtration dry discharge operations, product size up to -500 mesh. Scope of use of plate and frame filter press: (gold, silver, copper, iron, zinc) mine, rare earth and other powder ore dewatering, tailings dam treatment.

Automatic hydraulic filter press has good separation effect, easy to use, widely used in petroleum, chemical, dyestuff, metallurgy, pharmacy, food, papermaking, coal washing and sewage treatment and other fields.

For example: A foreign mineral processing plant has a large plant area, but the geographic location is relatively remote; the demand for processing capacity is large, but the power supply is insufficient, solid-liquid separation is often a problem. Chunlei combined with the actual situation for its automatic hydraulic chamber filter press to increase the frequency converter to stabilize the current, the solid-liquid separation effect is significantly improved, the processing capacity than the previous filter press also increased by 15%.

Hydraulic Filter Press ordered by Customer

Chunlei Machinery has been engaged in mining machinery manufacturing for more than 30 years, with a wealth of experience in building websites and customer cases, served customers all over the world!

Technical Parameters of Hydraulic Filter Press

Model	Filter area (M2)	Filter chamberquantity	Filter Plate Specification (MM)	Filter cake thickness (MM)	Filter chamber volume (M3)	Filter pressure (MPA)	Overall dimensions (MM)	Motor power (kW)	Weight(kg)
XM/AZ 20/800U	20	20	800×800×60	30	0.287	0.5~1.6	3500×1350×1160	2.2	2750
XM/AZ 30/800U	30	30			0.453		4110×1350×1160		3130
XM/AZ 40/800U	40	40			0.605		4720×1350×1160		3420
XM/AZ 50/800U	50	50			0.756		5330×1350×1160		3700
XM/AZ 60/800U	60	60			0.907		5940×1350×1160		4110
XM/AZ 70/800U	70	70			1.059		6550×1350×1160		4400
XM/AZ 80/800U	80	80			1.21		7160×1350×1160		4740
XM/AZ 40/900U	40	32	900×900×60	30	0.59	0.5~1.6	4230×1480×1280	2.2	4500
XM/AZ 50/900U	50	40			0.75		4720×1480×1280		4800
XM/AZ 60/900U	60	47			0.88		5150×1480×1280		5100
XM/AZ 70/900U	70	63			1.19		6120×1480×1280		5700
XM/AZ 60/1000U	60	38	1000×1000×60	30	0.9	0.5~1.6	5450×1560×1360	2.2	7080
XM/AZ 80/1000U	80	50			1.19		6180×1560×1360		7830
XM/AZ 100/1000U	100	62			1.48		6910×1560×1360		8680
XM/AZ 120/1000U	120	75			1.8		7710×1560×1360		9250
XM/AZ 125/1250U	120	46	1250×1250×65	32	1.9	0.5~1.6	6500×1770×1620	4	10900
XM/AZ 150/1250U	150	58			2.41		7290×1770×1620		11800
XM/AZ 180/1250U	180	69			2.88		8020×1770×1620		12700
XM/AZ 200/1250U	200	77			3.22		8550×1770×1620		13300
XM/AZ 220/1250U	220	84			3.51		9010×1770×1620		13900
XM/AZ 250/1250U	250	95			3.98		9740×1770×1620		14800
XM/AZ 300/1500U	300	77	1500×1500×70	32	4.76	0.5~1.6	10040×2400×1800	5.5	26500
XM/AZ 320/1500U	320	83			5.14		10460×2400×1800		27190
XM/AZ 340/1500U	340	88			5.45		10820×2400×1800		27880
XM/AZ 350/1500U	350	90			5.58		10960×2400×1800		28230
XM/AZ 380/1500U	380	98			6.08		11530×2400×1800		29260
XM/AZ 400/1500U	400	103			6.39		11880×2400×1800		29950
XM/AZ 450/1500U	450	116			7.21		12810×2400×1800		31670
XM/AZ 500/1500U	500	128			7.96		13660×2400×1800		33390
XM/AZ 560/2000U	560	80	2000×2000×83	40	11.16	0.5~1.6	10600×2900×2450	11	56500
XM/AZ 600/2000U	600	86			12.01		12110×2900×2450		58000
XM/AZ 630/2000U	630	90			12.58		12440×2900×2450		59000
XM/AZ 670/2000U	670	96			13.43		12950×2900×2450		60500
XM/AZ 710/2000U	710	101			14.13		13370×2900×2450		62000
XM/AZ 750/2000U	750	107			14.98		13870×2900×2450		63300
XM/AZ 800/2000U	800	114			15.97		14460×2900×2450		65200
XM/AZ 850/2000U	850	121			16.96		15050×2900×2450		67000
XM/AZ 900/2000U	900	128			17.95		15640×2900×2450		69000
XM/AZ 950/2000U	950	135			18.94		16220×2900×2450		70600
XM/AZ 1000/2000U	1000	142			19.92		16810×2900×2450		72300
XM/AZ 1060/2000U	1060	151			21.2		17570×2900×2450		74500
XM/AZ 1120/2000U	1120	159			22.33		18240×2900×2450		76800
XM/AZ 1180/2000U	1180	168			23.61		19000×2900×2450		79000

Working Principle of Hydraulic Filter Press

Hydraulic stage: when the hydraulic station of the filter press is working, the motor drives the oil pump to pump and press the hydraulic oil into the oil pipe connected with the oil cylinder. The high-pressure hydraulic oil enters the forward chamber of the cylinder, so that the oil in the forward chamber increases continuously, pushing the piston forward. As the piston is connected with the filter plate screw of the filter press, it pushes the filter plate to move, and presses the filter plate and filter medium (filter cloth) located between the compression plate and thrust plate.

Filtration stage: The liquid to be filtered is filtered through the filter cloth. Solid impurities are left on the filter cloth, while the clean liquid passes through the filter cloth into the filtrate chamber.

Pressing stage: The liquid pressure is transmitted to the filter plate through the hydraulic pump to further press the solid impurities on the filter cloth so that the liquid in the filtrate chamber is discharged.

Release the filter plate: After the filtration is completed, the hydraulic system reverses direction and the pressure oil enters the rod chamber of the cylinder, causing the piston to move in the reverse direction, pulling the filter plate back and at the same time pressurizing the oil in the forward chamber back to the oil station for recycling.

In specific operation, the piston in the cylinder body of the filter press will push the pressing plate to press the filter plate and filter medium (filter cloth) located between the pressing plate and the thrust plate, in order to ensure that the filtered material (slurry) with working pressure is pressurized and filtered in the filter chamber.

Advantageous features of Hydraulic Filter Press

• Efficient solid-liquid separation: Hydraulic filter presses are capable of delivering high pressures, up to 1 MPa for filtration and 2.5 MPa for pressing, which results in higher filtration efficiency and lower moisture content of the filter cake, which facilitates subsequent processing and transportation.
• High processing capacity: it can process a large amount of suspension, and can meet the demand for large-scale solid-liquid separation in industrial production.
• Flexibility and adaptability: it can work normally under the environment from – 5℃ to 120℃, which is suitable for various complex and harsh environments, increasing the applicability of the equipment to meet the needs of different working scenarios.
• Simple operation, automatic pressure maintaining: simple operation, usually only through the control of the pressure gauge can automatically control the opening and closing of the hydraulic oil, to achieve automatic pressure maintaining operation, to ensure a good start filtering filter press, so that the performance of the equipment is more stable, reduces the complexity of manual operation and uncertainty, you can complete the solid-liquid separation process.
• Convenient maintenance: the structure of hydraulic filter press is simple and easy to maintain, which can reduce the operation cost of the enterprise.

Hydraulic Filter Press FAQ

Q: How much does a hydraulic filter press cost?

A: The price typically ranges from $5,000 to $80,000 USD, depending on the plate size (400mm to 2000mm), number of chambers, and automation level (manual vs. automatic plate shifter). Contact us with your required processing capacity for an exact quote.

Q: How long does one filtration cycle take?

A: A full cycle usually takes 15 to 45 minutes – including closing, filling, pressing, and opening the plates. Cycle time depends on your slurry’s solids content and the cake thickness. Automatic hydraulic systems are much faster than manual ones.

Q: What final cake moisture can I expect?

A: With a standard hydraulic filter press, the filter cake moisture is typically 15% to 25%. For even drier results (as low as 8-12%), you can add a membrane squeeze plate or optional air blow and vacuum systems.

Q: How often do I need to replace the filter cloths?

A: With normal use and proper cleaning, filter cloths last 3 to 6 months. Washing them after every shift and using a cloth with the correct micron rating for your slurry will significantly extend their life. We also supply spare cloths.

Q: Can the hydraulic filter press run fully automatically?

A: Yes. We offer a fully automatic PLC control system with HMI touch screen. It handles plate closing, feeding, squeezing, air blow, plate opening, and cake discharge automatically – requiring only one operator to monitor.