classification of industrial dust vacuum using pulse jet cleaning technology, cleaning capacity is good, dust removal rate is good, low emission concentration, small air leakage rate, less energy consumption, less steel consumption, covers an area, stable operation, good economic benefits. Applicable to metallurgy, building materials, machinery, chemical, electric power, light industry flue gas dust removal. Box adopts air tightness design, good sealing, inspection door with excellent sealing materials, the production process with kerosene leak detection, air leakage rate is very low; The use of separate chamber air pulse jet cleaning, cleaning period is long, low consumption, can double the life of the filter bag and valve disc; The upper pumping bag is used to replace the operation of the bag.

The following, a detailed classification of industrial dust vacuum components selection principles:

1. Filter material: It should be considered according to the temperature of dusty gas, water content, acid and alkali properties, dust viscosity, concentration and grinding properties. Generally, polyester needled felt of 500 ~ 550g/m2 is commonly used at room temperature or ≤130℃ when the water content is small and there is no acidity. Arylon Nomex needled felt or 800g/m2 glass fiber needled felt or 800g/m2 double glass fiber fabric or Flumis [FMS] high temperature filter material (fluorine gas can not use glass fiber material). When the water content is large and the dust concentration is large, it is appropriate to choose water, oil filter material (or anti-condensation filter material) or coated filter material (the base cloth should be needled felt after water treatment).

Two, the controller: The control of industrial dust vacuum using PLC microcomputer program controller, divided pressure (automatic), timing (automatic), manual three kinds of control. Constant pressure control: according to the set pressure difference control, dust collector pressure difference over the set value, each room automatically clean again. Timing control: according to the set time, every other cleaning cycle, each room in turn cleaning again. Manual control: On the site operating cabinet can manually control the automatic cleaning of each room in turn, but also for each room single cleaning. The control mode is selected by the user. If the user has no requirements, the supply is controlled according to timing.

Three, classification of industrial dust vacuum filtration speed selection: Filtration speed is the key factor of classification of industrial dust vacuum selection, should be based on the nature of dust or dust, application occasions, dust size, viscosity, gas temperature, water content, dust concentration and different filter media and other factors. When the dust particle size is fine, the temperature and humidity are good, the concentration is large, and the viscosity should be low. Such as ≤1m/min; On the contrary, the optional high value is generally not more than 1.5m/min. For large dust size, normal temperature, dry, non-viscous, and concentration, 1.5 ~ 2m/min can be selected. When the filtration speed is selected, it should be calculated that the net filtration wind speed should not exceed the above value when reducing the filtration area of one room (when cleaning).

Four, in the selection of filter bag, according to the type of dust collector and according to the nature of the flue gas, select the suitable filter material. Usually in the selection of filter bag, once in the use of dust collector dust, if the temperature of the flue gas is lower than 120℃, in the selection of dust bag, the filter material is required to have a long time, and not afraid of acid such conditions, in this case, the selection of filter bag need to choose polyester needle felt, Or choose polyester flannelette filter bag can filter bag long time and not afraid of acid such conditions.

classification of industrial dust vacuum because the filter material fold into the use of cylinder, the filter material layout density is large, so the dust removal mechanism is compact, small volume; Filter cylinder height is small, easy to install, use and maintenance workload is small; The filter area of the same volume dust collector is relatively large, the filter wind speed is small, and the sniper is not big. Filter material folding requires strict sealing at both ends and no air leakage, otherwise it will affect the dust removal effect. When the dust vacuum works normally, the dust gas enters the ash bucket by the air inlet. Due to the expansion of the gas volume, some coarse dust particles fall into the ash bucket by inertia or natural settlement and other reasons. Most of the rest dust particles rise into the bag room with the air flow and are filtered by the filter bag. The dust particles are retained on the outside of the filter bag, and the purified gas enters the upper cabinet through the filter bag, and then drains into the valve plate hole and the exhaust outlet, so as to achieve the purpose of dust removal.

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