32results about How to "Increase the filtration speed" patented technology

The invention discloses an electric-bag composite dust collector. The electric-bag composite dust collector comprises a composite dust collecting region in a housing, wherein the composite dust collecting region comprises an electric bag dust collecting region and a first electric field dust collecting region; the electric bag dust collecting region comprises a filter bag region and a second electric field dust collecting region; a filter bag dust collecting device is arranged in the filter bag region, and located on the upper end of the electric bag dust collecting region; an electric field dust collecting device is arranged in the second electric field dust collecting region, which is communicated with the filter bag region and located on the lower end of the electric bag dust collecting region; and an electric field dust collecting device is arranged in the first electric field dust collecting region, which is communicated with the electric bag dust collecting region and located onthe front end of the electric bag dust collecting region. In the electric-bag composite dust collector provided by the invention, the second electric field dust collecting region is arranged on the lower end of the electric bag dust collecting region, so that the dust can be recharged when a portion of smoke flows from the first electric field dust collecting region to the second electric field dust collecting region, thereby enhancing the dust charging strength. Additionally, the second electric field dust collecting region can effectively collect dust dropping from the filter bag region when the dust is removed, thereby reducing secondary dust emission, prolonging dust removal period, prolonging the service life of the filter bag, reducing the whole dust removing resistance, and improving the overall performance of the dust collector.

The invention discloses a compound filter material, a method and application thereof, and relates to a filter material. The invention provides a compound filter material which has good folding endurance, corrosion resistance and wear resistance and can be used as a high-temperature environment filter material, a method and application thereof. The compound filter material comprises the following components in percentage by mass: 1 to 99 percent of basalt fiber and 1 to 99 percent of polytetrafluoroethylene fiber. The preparation method comprises the following steps of: mixing the basalt fiberand the polytetrafluoroethylene fiber to obtain a mixed fiber; and adding an antistatic agent to the mixed fiber for mixing to obtain the compound filter material. According to the mass percentage, the adding amount of the antistatic agent is 0.1 to 20 percent of the mixed fiber. The compound filter material can be used for directly preparing composite filter cloth with single-layer structure or multi-layer structure, and the prepared composite filter cloth with single-layer structure or multi-layer structure can be used for producing a filter device.

The invention relates to dust removing equipment, and discloses internal filtering dust filtering equipment, which comprises a box body, an air inlet, an air outlet, a filtering fixed seat, a filter, a blowing system and an ash storage box, wherein the filter is fixed on the filtering fixed seat; the blowing system is arranged above the filter; and the ash storage box is arranged below the box body. The internal filtering dust filtering equipment is characterized in that: the blowing system comprises an air source device and a blowing pipeline; and an air source is blown from the air source device to the opening of the filter from top to bottom through the blowing pipeline. The internal filtering dust filtering equipment has the advantages of simple structure, saving in cost, high filtering air speed, good ash cleaning effect, high purifying efficiency, large treatment air volume, long filter service life, running safety and reliability and high automatic degree.