DL-5C Disc Vacuum Filter

Short Description:

one. Use

This machine is a kind of intermittent or continuous filtration laboratory type of the latest filtration equipment, suitable for mineral processing, metallurgy, geology, chemical industry, building materials, petroleum, paper, artificial crystals and other departments of the laboratory and small factories for product dehydration, solid-liquid separation used.
The equipment has the advantages of simple structure, easy operation, easy maintenance, reliable operation, stable performance, high filtration efficiency, multi-purpose, etc. The effect is particularly significant for difficult to filter minerals and low concentration pulp.

Two, the main technical parameters
1, filter disc diameter: large plate Φ260mm, small plate Φ200mm
2, filter disc capacity: large plate capacity 4.2 liters, small plate capacity 2.5 liters
3. Pulp concentration: about 10%-30%
4, pulp size: 0-0.8mm
5, filter sample weight: large plate into biscuits weight does not exceed 600 grams, small plate into biscuits weight does not exceed 150 grams.
6, filtration time: general material 5-10 minutes
7, filter cake moisture: 10-25%
8, limit vacuum: 4000p
9. Power supply: 380V
10, the whole machine power consumption: 1.5KW
11. Pumping rate: 30m³/h
12. Total weight: about 110kg

Three. Brief introduction of structure and working principle
The equipment is composed of a chassis, a large and small filter disc, a pumping pipe, a water supply pipe, an electrical appliance, a vacuum pump, a vacuum tank, etc.
The equipment uses the negative pressure generated by the operation of the water ring vacuum pump to filter the pulp, and can continuously pump and discharge the filtered liquid. The vacuum pump is directly driven by a 1.5 kW motor, and can produce 560-650 gonads of negative pressure when it is running (when the altitude is 0). The filter system consists of large and small filter disks, drainage pipes, vacuum tanks and vacuum gauges.
Fourth, installation, use and maintenance
After the equipment is unpacked, clean the packaging grease and check the fasteners

Five, the vacuum pump may fail

malfunction	Cause of the fault	elimination methods
Vacuum drop	· 1、false air	1、 Reinstall the pipe vacuum system。 2、 Repair the air leak in the weld。
	2、Air leakage at pump connection	1、Replace the O-seal and gasket Reassemble and press tightly。
	3、Air leak in mechanical seal	1、Repair or replace mechanical seals。 2、Adjusting spring pressure。
	4、The two ends of the impeller wear and the side clearance increases 。	1、Readjust the side clearance。 2、Replace or repair the impeller and other wear parts, restore the original backlash (inside: 0.07-0.10mm, outside: 0.12-0.16mm)
	5、The water temperature is too high and the water is not enough 。	1、Reduce inlet water temperature。 2、Eliminate friction heating of parts in the pump。 3、Adjusted intake。
underpumping	Same five reasons as vacuum drops	Same as 11 exclusion methods for vacuum drop
The current of the motor suddenly rises	1、The axial movement between the impeller and the motor rotor causes friction between the impeller and the end face。	The axial force of the wave type spring washer at the side end of the outer ring of the motor bearing is adjusted to eliminate the phenomenon of axial movement。
	2、During operation, foreign bodies enter the pump cavity, causing friction or jamming between the rotor and other parts。	1、Prevent foreign body entry。 2、Remove the pump to remove foreign matter and repair the friction and wear surface。
	3、There is a foreign body in the exhaust pipe and the exhaust is blocked。	Remove foreign matter, make exhaust smooth 。
The motor load is high during operation	1、Excess intake。	Adjusted intake
	2、Exhaust valve disc fails。	Repair or replace the exhaust valve disc
	3、The axial force of the two bearings of the motor is large	Disassemble the two covers of the motor and readjust the pressure of the spring washers at the two bearing ends。
Reduce hard starting	1、After a long shutdown, rust inside the pump。	Remove the motor fan cover and turn the motor fan by hand so that it can rotate flexibly before starting。
Reduce hard starting	2、The exhaust pipe is severely blocked	Remove foreign matter, smooth exhaust。
Abnormal sound	1、Too much or too little water intake	Regulating water intake
	2、blade crusher	Impeller replacement
	3、Debris in pump	Shut down to remove debris

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Product Parameters

Item	Unit	XTLZ260/200	DL-5C
Disc diameter	mm	big disc:260mm,small disc:200mm	big disc:240mm,small disc:120mm
Disc volume	L	big disc:4.2L,small disc:2.5L	big disc:3.6L,small disc:0.64L
Vacuum pressure	KPA	less than 91.2	less than 91.2
Pulp density	%	10-30	10-30
Feeder size	mm	less than 0.5	less than 0.5
Dry material	g	big disc less than 600g, small disc lees than 150g	big disc less than 500g, small disc lees than 100g
Filtration time	min	5-10	5-10
Water discharge time	s	30	30
Power	kw	1.5	1.5
Dimension size	mm		1080x530x930
Weight	kg	160	160