Baoji Fitow Metal Co., Ltd |
|
stainless steel Powder Sintering Filter
Stainless steel powder sintered porous filter material Plates
A: The main performance
Stainless steel powder sintered filter materials (including tube
and plate) is a 304.304L.316.316L powder as raw material,
sub-screen, molding, sintering micro filter element. High
filtration precision, good air permeability, high mechanical
strength, high utilization of materials suitable higher operating
temperatures and thermal shock. Widely used in pneumatic
components, chemicals, environmental protection and other fields.
Users can request the production of a variety of shapes,
structures, different grain size, porosity porous element, such as:
cover, cap, sheet, tube, rod filter element. Thus stainless steel
powder sintered filter material with its high-tech materials and
special molding process, it has a unique and excellent performance:
1. The high temperature at 500 degrees Celsius below normal.
2. Filter high precision, stable pores can effectively remove
suspended solids and particulates, excellent filtering accuracy,
good purification effect.
3. permeability, pressure loss is small. Porosity, pore size
uniformity, low initial resistance, easy cleaning, line
regeneration, easy to clean, regeneration ability, long service
life.
4. High mechanical strength, rigidity, good plasticity, without
additional protection framework support simple to install and use,
easy maintenance, assembly, and can be welded, bonded and
mechanical processing.
5. uniform porosity, is particularly suitable for fluid
distribution, the equalization process and other requirements of
high uniformity occasion.
6. Filter Accuracy: 1 ~ 50μm.
7. No particle shedding, not to dope the formation of secondary
pollution.
8. good mechanical properties, low differential pressure, flow,
pressure filtration can be filtration, easy to operate.
9. corrosion resistance, and can be stably used in the nitric acid,
sulfuric acid, acetic acid, oxalic acid, phosphoric acid, 5%
hydrochloric acid, molten sodium, liquid hydrogen, nitrogen,
hydrogen sulfide, acetylene, water vapor, hydrogen, carbon dioxide
and other environments.
10. The molding process is good, the overall length of up to 1200
mm without welding. Forming a stainless steel powder products,
without cutting, high raw material utilization efficiency, maximize
material savings, especially for large-volume, complex structure of
the element.
Second, the main parameters of stainless steel powder sintered
filter
Filtration accuracy
Porosity
Permeability
Compressive strength
Temperature resistance
Maximum operating pressure
0.5um-70um
20-50%
3-1300m3 / m3hkPa
3Mpa
500 ℃
0.6Mpa
Third, the specification model
Diameter: Ф20mm -Ф200mm
Length: L50-L1200 (available on demand)
Thickness: 2mm can be more than (other specifications can be
processed)
Filtration precision: 0.5um - 70um
Stainless steel powder sintered filter plate
Diameter: (mm) Ф5-Ф300
Thickness: 0.5-10mm
Filtration precision: 0.5un-70um
Fourth, the stainless steel powder sintered filter applications
Stainless steel powder sintered filter with its unique properties,
can be widely used in the pharmaceutical industry, water treatment
industry, food industry, biological engineering, chemical industry,
petrochemical industry, metallurgical industry and gas purification
is a broad development prospects of the new filter material.
Typical uses include:
1, chemical raw materials production process impurities filtered
off charcoal filter material and fine filter.
2, security ultrafiltration water treatment, RO, EDI system
filters.
3, food and beverage drinks, fruit juice, wine, beer, vegetable
oil, mineral water, soy sauce, vinegar clarification and
filtration.
4, the chemical industry liquid products, liquid raw materials, off
carbon filter and precision filter pharmaceutical intermediates,
superfine crystals, the catalyst was recovered by filtration,
precision filtration and adsorption systems after conducting oil
resin, cleaning materials, filtration, catalytic gas purification.
5, oil field and other areas of reverse osmosis water filter
security filter.
6, high temperature dye industry DECARBONISATION, off white persons
filtering.
7, the gas purification steam, compressed air, the catalyst was
filtered.
8, medium purification and flow restriction pneumatic components,
oil, fuel and hydraulic pneumatic systems, compressed air oil
purification, oil Desanding filtration, nitrogen hydrogen filter,
oxygen filter, bubble generator, floating Teng-bed gas distribution
Fives. Stainless steel powder sintered filter Caution
1, stainless steel powder sintered filter are consumables, although
durable than other filter elements, but in the process of cleaning
and dismantling should be careful not to scratch and touch, hit,
throw and so on, to prevent human injury. Forbidden to use tool for
urging the filter surface.
2, under normal circumstances filtrate filtered by the filter
outside to inside, do not advocate reverse filter.
3, filtered, and slowly pressurized to the desired working
pressure, non-instantaneous rapid pressurization valve open enough.
Maximum operating pressure ≤3MPa. When the filtration efficiency of
less than 50%, to promptly clean air or clean with liquid cleaning
backwash line.
5, stainless steel powder sintered filter backwash when performing
cleaning and general cleaning first with pure gas, blowback
pressure is 1.2-1.5 times the working pressure, each backflush time
3-5 seconds, repeat steps 4-6 After times with clean liquid
backwash, backwash 3-5 minutes, 2-3 operating times.
6. After cleaning the filter backwash line, the pressure loss is
still more serious, should be promptly removed for cleaning.
six. Stainless steel powder sintered filter cleaning method
Stainless steel powder sintered filter according to the chemical
nature of the pollution and contaminants in conjunction with
physical and chemical properties of stainless steel, respectively,
using physical and chemical methods for regeneration cleaning.
Physical methods used mainly:
Clean liquid recoil, clean gas cleaning and ultrasonic cleaning
methods. Mainly chemical methods: acid, alkali, oxidizing agent,
surfactant, detergent enzymes. All of the above methods may also be
used interchangeably.
According to several common application, cleaning methods are as
follows:
1, pharmaceutical and chemical industries charcoal filter off,
should always use cleaning backwash method works best in
conjunction with ultrasonic cleaning.
2, the system water industry, because the filter surface trapped
more non water-soluble salts and oxides, generally use 5% of nitric
acid immersion, without ultrasonic cleaning, the cleaning effect
can be achieved.
3, liquid filter, in conjunction with the chemical nature of the
contaminants were cleaned using the following method:
(1) caustic: 3-5% of analytically pure sodium hydroxide solution
soak for 30-60 minutes, the temperature about 40 degrees, the best
in ultrasonic cleaning machine. After soaking with filtered
deionized water or injection water rushed inside and outside to
neutral, measured conductivity. ≥0.4MPa pressure with pure air dry.
(2) Pickling: with 5% nitric acid solution soak for more than eight
hours, the temperature is about 40 degrees. Best in ultrasonic
cleaning machine. After soaking with filtered deionized water until
neutral, side conductivity water or water for injection inside and
outside. ≥0.4MPa pressure with pure air dry.
(3) organic pollution can be combined with a surfactant cleaning,
cell debris pollution system conjugating enzyme cleaning effect is
better (food and beverages can be high concentrations of citric
acid cleaning).
(4) Several methods can be used alone, it can also be used
interchangeably with each other. If the conditions, combined with
ultrasonic cleaning machine best.
Note: Always wash line cleaning (CIP with pure compressed air or
filtered liquid or clean water recoil), can reduce the number of
the above methods of cleaning.
3, food and beverage drinks, fruit juice, wine, beer, vegetable
oil, mineral water, soy sauce, vinegar clarification and
filtration.
4, the chemical industry liquid products, liquid raw materials, off
carbon filter and precision filter pharmaceutical intermediates,
superfine crystals, the catalyst was recovered by filtration,
precision filtration and adsorption systems after conducting oil
resin, cleaning materials, filtration, catalytic gas purification.
5, oil field and other areas of reverse osmosis water filter
security filter.
6, high temperature dye industry DECARBONISATION, off white persons
filtering.
7, the gas purification steam, compressed air, the catalyst was
filtered.
8, medium purification and flow restriction pneumatic components,
oil, fuel and hydraulic pneumatic systems, compressed air oil
purification, oil Desanding filtration, nitrogen hydrogen filter,
oxygen filter, bubble generator, floating Teng-bed gas distribution
Fives. Stainless steel powder sintered filter Caution
1, stainless steel powder sintered filter are consumables, although
durable than other filter elements, but in the process of cleaning
and dismantling should be careful not to scratch and touch, hit,
throw and so on, to prevent human injury. Forbidden to use tool for
urging the filter surface.
2, under normal circumstances filtrate filtered by the filter
outside to inside, do not advocate reverse filter.
3, filtered, and slowly pressurized to the desired working
pressure, non-instantaneous rapid pressurization valve open enough.
Maximum operating pressure ≤3MPa. When the filtration efficiency of
less than 50%, to promptly clean air or clean with liquid cleaning
backwash line.
5, stainless steel powder sintered filter backwash when performing
cleaning and general cleaning first with pure gas, blowback
pressure is 1.2-1.5 times the working pressure, each backflush time
3-5 seconds, repeat steps 4-6 After times with clean liquid
backwash, backwash 3-5 minutes, 2-3 operating times.
6. After cleaning the filter backwash line, the pressure loss is
still more serious, should be promptly removed for cleaning.
six. Stainless steel powder sintered filter cleaning method
Stainless steel powder sintered filter according to the chemical
nature of the pollution and contaminants in conjunction with
physical and chemical properties of stainless steel, respectively,
using physical and chemical methods for regeneration cleaning.
Physical methods used mainly:
Clean liquid recoil, clean gas cleaning and ultrasonic cleaning
methods. Mainly chemical methods: acid, alkali, oxidizing agent,
surfactant, detergent enzymes. All of the above methods may also be
used interchangeably.
According to several common application, cleaning methods are as
follows:
1, pharmaceutical and chemical industries charcoal filter off,
should always use cleaning backwash method works best in
conjunction with ultrasonic cleaning.
2, the system water industry, because the filter surface trapped
more non water-soluble salts and oxides, generally use 5% of nitric
acid immersion, without ultrasonic cleaning, the cleaning effect
can be achieved.
3, liquid filter, in conjunction with the chemical nature of the
contaminants were cleaned using the following method:
(1) caustic: 3-5% of analytically pure sodium hydroxide solution
soak for 30-60 minutes, the temperature about 40 degrees, the best
in ultrasonic cleaning machine. After soaking with filtered
deionized water or injection water rushed inside and outside to
neutral, measured conductivity. ≥0.4MPa pressure with pure air dry.
(2) Pickling: with 5% nitric acid solution soak for more than eight
hours, the temperature is about 40 degrees. Best in ultrasonic
cleaning machine. After soaking with filtered deionized water until
neutral, side conductivity water or water for injection inside and
outside. ≥0.4MPa pressure with pure air dry.
(3) organic pollution can be combined with a surfactant cleaning,
cell debris pollution system conjugating enzyme cleaning effect is
better (food and beverages can be high concentrations of citric
acid cleaning).
(4) Several methods can be used alone, it can also be used
interchangeably with each other. If the conditions, combined with
ultrasonic cleaning machine best.
Note: Always wash line cleaning (CIP with pure compressed air or
filtered liquid or clean water recoil), can reduce the number of
the above methods of cleaning.
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