41results about How to "Improve dust filtering effect" patented technology

The speed reducing centrifugal dusting unit of cleaner includes circular cylinder with wind outlet pipe and wind inlet pipe, conic cylinder with small upper part and large lower part, and dust collecting box connected successively from top to bottom. The conic cylinder has mushroom reflecting disc below the wind outlet pipe, and there is reflux hole in the center and ring dust-falling interval between the edge of the disc and the side wall. The unit has small pressure loss, high dust collecting effect, high dust filtering precision, low working noise and no secondary pollution; and is especially suitable for use as secondary filtering system in cleaner to separate fine dust.

The invention discloses a terylene cleanroom clothes fabric coating adhesive and a preparation method thereof. The terylene cleanroom clothes fabric coating adhesive is prepared by compounding 100 parts of acrylic acid modified polyurethane emulsion, 2 to 5 parts of a polyurethane flatting and rheological agent and 2 to 5 parts of an end-capped isocyanate cross-linking agent, wherein the acrylic acid modified polyurethane emulsion is prepared from the following raw materials in parts by weight: 50 to 70 parts of diphenylmethane diisocyanate, 10 to 15 parts of polyethylene glycol of which the average molecular weight is 1450, 15 to 20 parts of polyethylene glycol of which the average molecular weight is 1000, 50 to 60 parts of polybutadiene diol of which the average molecular weight is 2000, 10 to 20 parts of styrene, 10 to 20 parts of chloroprene rubber, 5 to 10 parts of methyl acrylyl ethyl trimethyl ammonium chloride, 150 to 200 parts of deionized water, and 1 to 2 parts of 2,2'-azobis(isobutylamidine dihydrochloride). Terylene conductive cloth finished by the coating adhesive has excellent antibacterial, anti-static, moisture permeable, air permeable and dust filtration performances, and excellent washing resistance.

The invention belongs to the technical field of textile machineries, and specifically discloses a novel cotton condensing device. The cotton condensing device comprises a cotton condenser housing, wherein a cotton gathering barrel is arranged in the cotton condenser housing; meshes are distributed on the cotton gathering barrel; an involute volute is arranged at the top end of the cotton condenser housing; an external air inlet channel is connected to an inlet of the volute, and the outlet of the volute faces downwards and is connected with the cotton gathering barrel; an air suction port and a dust discharge port of which the air volumes are adjustable are formed on the cotton condenser housing, and the dust discharge port is connected with an external dust filter part. Through an external cotton transportation blower to send air from distance, the original cotton forms spiral cyclone to fall off after passing through the volute, and is separated from impurities such as short fibers in the cotton gathering barrel; the high failure rate of a power transmission part in the cotton condenser of the prior art is conquered; the dust filtering effect of the cotton condensing device is improved; and an air volume adjusting plate is arranged at the air suction port, so that a moderate negative pressure environment is provided for the external dust filter part, and the dust filtering and purification effect is improved.

The invention belongs to the technical field of new energy vehicles, in particular to a dust removal device for cutting parts of new energy vehicles. Aiming at the problem that the dust removal range of the existing dust removal device is difficult to control, the following proposal is proposed, including the support base plate and the second support plate , the outer walls around the second support plate are connected with the first support plate through hinges, and the top outer walls of the four first support plates are all fixedly installed with water storage pipes, and the bottom outer walls of the water storage pipes are all fixedly installed with second As for the water guide pipe, a water inlet pipe is fixedly installed on the outer wall of the top side of the water storage pipe. In the present invention, the dust removal device for cutting new energy automobile spare parts can drive the first support plate to rotate by setting the second electric telescopic rod between the first support plate and the second support plate. , and then can conveniently change the degree of opening and closing of the four first support plates, thereby conveniently realizing dust removal in different ranges, and improving the convenience and functionality of the device.

The invention relates to the field of non-woven fabrics, and discloses an impregnated non-woven fabric and a manufacturing method thereof, wherein the first fibers include low-melting-point fibers and polyester fibers, and the second fibers include low-melting-point fibers, viscose staple fibers and Polyester fiber, the raw material mass percentage of the first fiber is: low melting point fiber accounts for 5% ~ 20% of the first fiber total amount, polyester fiber accounts for 80% ~ 95% of the first fiber total amount; the second fiber The mass percentage of raw materials is: low melting point fiber accounts for 5%~20% of the total amount of the second fiber, polyester fiber accounts for 80%~95% of the total amount of the second fiber, viscose staple fiber accounts for 5% of the total amount of the second fiber ~15%, the concentration percentage of the polyacrylate is divided into two types: 10% and 25%. In the present invention, the processes of fiber laying, puncturing up and down, heat drying, hot blanching, addition of polyacrylate, drying, and hot blanching are completed. The characteristics of large quantity.

The invention discloses a stir-frying and dust removing device for roasted food. The stir-frying and dust removing device for roasted food comprises a body, a stirring shaft extending to the outer bottom of the body is arranged in the inner middle of the body, a plurality of stirring blades are arranged in the body and located on the stirring shaft, second electric heating wires are arranged on the stirring blades, the lower end of the stirring shaft is further connected with an air inlet pipe through a rotating joint, a first electric heating wire is arranged in the air inlet pipe, a fan is further arranged at the end of the air inlet pipe, a lifter is arranged on the left side of the body, the top of the body is connected with a dust removing barrel through a communicating pipe, and an exhaust pipe is further arranged at the top of the dust removing barrel. The stir-frying and dust removing device for roasted food is good in roasted food processing effect and capable of effectively removing dust, and application and popularization are promoted.

The invention relates to and discloses a noise collection and utilization system for a blower of a bag filter. The noise collection and utilization system comprises three parts, namely a sound receiving area, a sound guiding area and a sound dividing area, wherein the sound receiving area comprises a sound receiving hood, a contraction section and a sound collection section; the sound guiding area consists of an elbow and a linear sound guiding tube; the sound dividing area consists of sound dividing tubes; the hood walls or tube walls of all the parts are all made of a metal material with a bright and clean surface and are 10-30 mm in thickness; a noise reduction layer is formed by wrapping of a 5-10 mm damping layer and a 20-50 mm soft material, arranged outside the metal housings and mainly used for preventing a small amount of noise of the blower from transmission. The noise collection and utilization system can fully collect and guide out the noise of the blower and reduces energy loss of noise as much as possible.

The invention belongs to the field of dust collectors, and in particular relates to a self-regulating dust collector, which includes a housing and a dust collecting hopper. An air intake pipe and an exhaust pipe are fixedly connected to the side wall of the housing. The housing is provided with: an annular groove, an annular The groove is arranged on the inner side wall of the housing; the dust filter plate is fixedly installed in the annular groove, and a plurality of dust filter holes are arranged in an array on the dust filter plate; the sealing plate, the edge of the sealing plate is slidably connected with the side wall of the dust filter plate; Liquid storage chamber, the liquid storage chamber is set on the upper part of the housing, and the liquid storage chamber is filled with detergent; the water absorption ring is fixedly connected to the inner bottom surface of the liquid storage chamber; a plurality of water absorption strips, the upper ends of the water absorption strips run through the housing and The water-absorbing ring is fixedly connected, and the lower end of the water-absorbing strip is fixedly connected with the upper end of the sealing plate; a deformation mechanism is arranged between the multiple water-absorbing strips, and the deformation mechanism includes. The present invention can realize the dynamic adjustment of the dust filter according to the intake air volume, can greatly improve the utilization rate of the dust filter and improve the adsorption effect on dust.

The invention discloses a novel high-efficiency polishing device for optical lens processing, which includes a box body, the left and right sides of the box body are respectively provided with a discharge port and a charge port, and the inside of the box body is provided with vertically arranged An upper positioning device and a lower positioning device, the upper positioning device includes two sets of first circulation mechanisms, the first circulation mechanism includes two first sprockets, and a first chain is connected between the two first sprockets , between the first chains on both sides is connected an upper positioning mechanism arranged at equal intervals along the first chain, the lower positioning device includes two sets of second circulation mechanisms, and the second circulation mechanism includes two second sprockets . The invention realizes grinding in the material conveying process, effectively improves processing efficiency, can effectively absorb flying debris generated in grinding, and can complete automatic cleaning of dust filter nets, saves time and labor and maintains good dust filtering performance.