Stainless steel automatic PLC control vertical pressure leaf filter in pharmaceutical industry

Description

The pressure leaf filter, also known as the  leaf filter, is a high-efficiency, energy-saving, closed-operation precision clarification and filtration equipment. The product has a unique design structure, high filtration efficiency, and good filtrate transparency and clarity. No filter paper, filter cloth or filter element is consumed, only a small amount of filter aid is consumed, the filtration cost is low, and the equipment is easy to operate and maintain. The equipment can be customized for manual slag discharge and automatic slag discharge, and the filtering area ranges from 2 square meters to 100 square meters. According to the process requirements of filtration, the airtight container has two materials of carbon steel and stainless steel for users to choose.

Details

Vibration slag removal device

Remove the slag by vibration to reduce the labor intensity of workers.

Specification

Model	Filter cake volume	Processing power			Workpressure	Filtering cylinder volume	I/O Connection	Discharging outlet	Filter spacing	Weight
		Grease	Resin	Drinks
YWBL-2	30L	0.4-0.6(t/h)	1-1.5(t/h)	1-2(t/h)	0.1-0.4(Mpa)	120L	DN25	DN100	50mm	150Kg
YWBL-4	60L	0.8-1.2(t/h)	2-3(t/h)	2-4(t/h)		250L	DN40	DN125	50mm	180Kg
YWBL-7	105L	1.4-2(t/h)	3-5(t/h)	4-8(t/h)		420L	DN40	DN150	50mm	326Kg
YWBL-10	150L	2-3(t/h)	5-8(t/h)	5-10(t/h)		890L	DN50	DN200	70mm	474Kg
YWBL-12	240L	2.4-3.6(t/h)	6-9(t/h)	6-12(t/h)		1190L	DN50	DN250	70mm	554Kg
YWBL-15	300L	3-5(t/h)	7-12(t/h)	8-16(t/h)		1580L	DN50	DN250	70mm	815Kg
YWBL-20	400L	4-6(t/h)	10-15(t/h)	10-20(t/h)		1770L	DN65	DN250	70mm	910Kg
YWBL-25	500L	5-7(t/h)	12-18(t/h)	12-24(t/h)		2200L	DN65	DN300	70mm	1024Kg
YWBL-30	600L	6-9(t/h)	14-22(t/h)	15-30(t/h)		2770L	DN65	DN300	70mm	1165Kg
YWBL-36	720L	7-10(t/h)	16-24(t/h)	18-36(t/h)		2870L	DN80	DN300	70mm	1202Kg
YWBL-40	800L	8-12(t/h)	20-30(t/h)	20-40(t/h)		3500L	DN80	DN350	70mm	1342Kg
YWBL-45	900L	9-13(t/h)	22-32(t/h)	22-44(t/h)		3630L	DN100	DN350	70mm	1422Kg
YWBL-52	1040L	10-15(t/h)	25-40(t/h)	26-52(t/h)		4380L	DN100	DN350	75mm	1900Kg
YWBL-60	1200L	12-18(t/h)	38-42(t/h)	30-60(t/h)		5100L	DN100	DN400	75mm	2114Kg
YWBL-70	1400L	14-20(t/h)	35-50(t/h)	35-70(t/h)		6940L	DN125	DN400	80mm	2662Kg
YWBL-80	1600L	16-24(t/h)	40-60(t/h)	40-80(t/h)		8300L	DN125	DN400	80mm	3882Kg

Features of pressure leaf filter

• Mechanical vibration for automatic slag removal, open the butterfly valve, start the vibration slag removal device, and remove the slag by vibration to reduce the labor intensity of workers.
• The specially customized filter plate does not need filter cloth and paper. The automatic slag removal filter uses a specially made stainless steel composite woven filter screen, which is corrosion resistant, easy to clean, has a long service life, can be used continuously for 3-5 years, and has low maintenance cost.
• Closed and environmentally friendly, in line with environmental protection standards, pipeline connection, fully closed filtration, products do not volatilize, do not throw away, and have good quality.
• High energy saving efficiency, filtering the residue or activated carbon (clay) in the liquid, or decolorization filtering, can replace the plate and frame filter.

Vertical Pressure Leaf Filter Working Principle

Structure of pressure leaf filter

The closed plate filter is mainly composed of a complete filtering system consisting of a filter host, a delivery pump, pipelines, valves and other auxiliary equipment. The filter host is composed of filter tank, filter screen, cover lifting mechanism, automatic slag removal device, etc.

Filtering principle of pressure leaf filter

• The filter pump inputs the materials into the tank and fills it. Under the effect of pressure, the solid impurities in the materials are trapped by the filter screen, forming a filter cake on the filter screen. The filtrate enters the outlet pipe through the filter screen and flows out of the tank, thus obtaining clear filtrate.
• With the increase of filtering time, more and more solid impurities are trapped on the filter screen, which makes the thickness of filter cake increase continuously, so that the filtering resistance increases and the pressure in the tank increases. When the pressure rises to a certain value, it is necessary to discharge the slag, stop the input of filtrate to the tank, blow compressed air into the tank through the overflow pipe, press the filtrate in the tank into other containers, and blow dry the filter cake. Close the compressed air, open the butterfly valve, start the vibrator to vibrate the filter blade, shake down the filter cake on the filter screen and discharge it through the slag discharge port below the tank.
• The liquid after preliminary solid-liquid separation is used to support and adsorb diatomite and other filter aids through stainless steel filter screen blades in the sealed enclosure of the filter tank. After the filter aid is mixed with the material in the mixing tank, it circulates through the delivery pump to form a stable filter cake layer on the filter screen, that is, diatomite pre-coating.
• After pre-coating, start filtering. Fine filter aid particles can provide countless fine channels to absorb suspended impurities in the liquid, so that the material can be filtered substantially through the filter cake layer to remove impurities, flow into the inner chamber of the filter blade, and then flow out of the clear liquid through the liquid outlet pipe. In addition, if decolorization is required during filtration, a certain proportion of activated carbon shall be added.

Application of Pressure Leaf Filter

• Oil industry: filtration of machine pressed crude oil, gel oil, hydrogenated oil, winterized oil, etc.
• Food industry: activated carbon decolorization and filtration of sugar liquor such as granulated sugar and glucose, and clarification and filtration of alcohol, fruit juice and cool drinks.
• Chemical industry: crystallization and separation in petrochemical industry, inorganic chemical industry and organic chemical industry, filtration and separation of various catalysts, decolorization and filtration of chemical products, etc.
• Environmental protection industry: for water intake from rivers, rivers and lakes, for insurance purification and filtration of supernatant from sewage treatment stations, and for purification and filtration of recycled water from swimming pools.

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