Filtration Technologies / Applications - 安泰環境工程技術有限公司 - 中國鋼研科技集團

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High-Speed Gas Continuous Filtration with Pulse-Jet Cleaning

High-strength and super reliability sintered metal micropore filter cartridges and patent high speed flow nozzle with special structure as well as zoned and grouped pulse back blowing structure are used for the purification of high temperature and corrosive gases at high air flow directly。

with the designed dedusting efficiency of more than 99.00%, ensuring excellent filter cartridges cleaning and regeneration performances.? Timing or differential pressure PLC or DCS operation enable system to work continuously by automatic switching.

ADVANTAGES

The continuous gas filtration system is made with high strength and super reliabe sintered metal micropore filter cartridges, featuring high temperature resistance, high filtration precision, online back blowing and continuous high temperature, which could be able to work stably under high air flow. The patent high air flow nozzle and connector with special structures could ensure the dedusting rate of more than 99.9%.

WORKING PRINCIPLE

The process liquid will pass through the filter cartridges from outside to inside. When the fluid is passing through filtration elements, the solid particles will be retained on the outer surface of the filter cartridges to form filtration cakes, increasing the differential pressure before and after the filtration. When the differential pressure reaches preset value, the program controller will be activated to conduct automatic back blowing in the following way:
In case of zoned arrangement inside the filter, grouped back blowing and regenera-tion could be conducted under the condition of continuous filtration.
If the filter is not zoned internally, the inlet and outlet valves of the filter shall be closed to back blow the internal components of the filter cartridges and put the filter back into operation after the back blowing.

APPLICATION CONDITIONS

Purification of industrial gases with high and low temperatures and fume dedusting;

Filtration and recycling of solid particles in gas phase;
Protective filtration of pneumatic units such as compressors.

SCHEMATIC DIAGRAM OF THE FILTRATION SYSTEM

APPLICATIONS

+ Filter cartridges used in S Zorb of gasoline desulfurization device
+ Coal gasification plant filter
+ HDPE high temperature activated furnace filter
+ High temperature and pressure fly ash filter
+ Dust collector

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Combined Liquid Back Washing Technology Aided by High Pressure Gas

The high performance integrated stainless steel or anti-corrosion rigid filter cartridg-es as well as the patent combined liquid back washing technology aided by high pressure gas and the surface filtration mechanism of blocking filtration cakes with micropores are used for purification and recovery of liquid materials and high temperature and corrosive medias.

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Tube-Type Automatic Back Washing Filter

Tube-Type Automatic Back Washing Filter has employed mechanical separation principle, using the stainless steel wedge screen filter cartridges (Johnson Screen) at the inlet to separate the impurities from crude oils.

The whole filter is composed of several filtration units in parallel. The filtered liquid is used for back washing and regeneration. When conducting back washing on one filtration unit, the other units shall be used for normal filtration.?

APPLICATION CONDITIONS

The filter could be used to purify liquid medias such as gasoline, heavy-load coked gasoline, diesel, residual oil, sewage and other medias.

ADVANTAGES

Stainless steel wedge filter cartridges are used in the filter, which feature good mechanical rigid, resistance to differential pressure, excellent regeneration perfor-mance and easy washing. The whole equipment has such features as small space occupation, convenient installation and operation, low construction cost, small waste oil discharge and high automation.

WORKING PRINCIPLE

Tube-Type Automatic Back Washing Filter is composed of more than 3 filtration units in parallel.
When the fluid is passing through filter cartridges, the solid particles will be retained on the outer surface of the filter cartridges to form filtration cakes, increasing the differential pressure before and after the filtration. When the differential pressure reaches preset value, the program controller will be activated to conduct automatic back washing in the following way:
The whole facility could use the filtered clean liquid for back washing to remove the filtration cakes deposited on the outer surfaces of filter cartridges. During back washing, the control program will control the feeding valve and discharge valve of one group of filters to cut off the feeding line and open the discharge line of the filter group to rapidly remove the filtration cakes under the pressure from cleaning liquid and discharge the waste oil into the sewage and recovery channel. Then the discharge valve will be closed and inlet valve will be opened to start the normal filtration operation.
The program controller will wash the filters group by group in specified order. During the back washing of one group, the other groups will be still used for normal filtration operation.

SCHEMATIC DIAGRAM

APPLICATIONS

+ Filtration of raw oil in diesel hydrogenation treatment facility
+ Filtration of raw oil gasoline hydrogenation treatment facility
+ Filtration of jet fuel
+ Filtration of raw oil in coked gas oil treatment facility

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Coalescence and Separation Technologies

Any water or oil in the process materials will influence the operation safety of consequent devices and the product quality.

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Continuous Filtration Technology with Combined Gas/Liquid Pressurized Back Washing and Low Cost Releasing

The high performance integrated stainless steel or anti-corrosion rigid filter cartridges components as well as continuous filtration technology with combined gas/liquid pressurized back washing and low cost releasing and the filter internal wall micropore filtration mechanism are used for purification and recovery of liquid materials.

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Ultra Purification System with Metal or Composite Membrane

High efficiency aerosol filtration elements and components are the important parts for the small chemical industry test sampling and analysis and the qualified exhaust of gases of nuclear power plants.

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Cross-Flow Filtration

The asymmetric filter cartridges made with the sintered metal powder material with the independent intellectual property of aeet are used as the filtration elements of the cross-flow filtration device which could return the filtration slurry to the reactor during the filtration operation.

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