Dispersion machine for removing impurities from fiber
09551108 ยท 2017-01-24
Inventors
Cpc classification
D21D1/004
TEXTILES; PAPER
International classification
Abstract
A dispersion machine for removing impurities from a fiber which includes a housing, a feed port and a discharge port arranged on the housing, and several processing components arranged in the housing wherein the processing component includes a connection portion and a scraping portion. When the processing component moves, the scraping portion is adapted to contact the fiber and moves relative to a surface of the fiber so as to remove impurities from the fiber surface. A feed screw rod and a discharge screw rod for processing material are also arranged in the housing to repeatedly feed material, discharge material and remove impurities form the fiber surface. The dispersion machine can be used to remove impurities from fiber in the papermaking field, textile field and the like, so as to obtain a raw material with a low impurity content.
Claims
1. A dispersion machine for removing impurities from fiber, comprising a housing, having a feed port at one end and a discharge port at the other end; a plurality of cutting blades rotatably and axially disposed between the feed port and the discharge port, and at least one of feed screw rods and/or discharge screw rods is coaxially disposed with the plurality of cutting blades in the housing between the feed port and the cutting blade and/or between the discharge port and the cutting blades, respectively, wherein each of the cutting blades comprises a connecting portion and a scraping portion, the scraping portion being adapted for contacting the fiber and providing a motion relative to a surface of the fiber so as to remove impurities thereon, and wherein the minimum dimension of the scraping portion is smaller than or equal to 5 mm; and the speed of motion of the scraping portion relative to the surface of the fiber is higher than or equal to 3 m/s.
2. The dispersion machine of claim 1, wherein, the minimum dimension of the cutting blade is 0.005-3 mm.
3. The dispersion machine of claim 1, wherein, the speed of the relative motion is 20-300 m/s.
4. The dispersion machine of claim 1, wherein, the scraping portion is the cutting edges of the blades.
5. The dispersion machine of claim 1, wherein, the cutting blades are wire rods and the scraping portions are the ends of the wire rods.
6. The dispersion machine of claim 1, wherein, the cutting blades are disposed on a rotating shaft provided with a gearing system arranged in the housing, and a plurality of the cutting blades are arranged on the rotating shaft by the connecting portions and rotate with the rotating shaft.
7. The dispersion machine of claim 5, wherein, the plurality of cutting blades are arranged spirally along the rotating shaft.
8. The dispersion machine of claim 1, wherein, the plurality of cutting blades are fixedly arranged in the housing by the connecting portion, and the scraping portion is adapted for scraping the surface of the fiber as the fiber moves in the housing.
9. The dispersion machine of claim 1, wherein, the scraping portions of the cutting blades are densely arranged in parallel along the direction of feed.
10. The dispersion machine of claim 1, wherein, each of the cutting blades is streamlined.
11. The dispersion machine of claim 1, wherein, the concentration of the fiber pulp in the housing is 0.5-20 v %.
12. The dispersion of claim 11, wherein, the concentration of the fiber pulp in the housing is 2-10 v %.
13. The dispersion machine of claim 1, wherein the minimum dimension of the scraping portion is 0.005-3 mm and the speed of the relative motion is 20-300 m/s.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
(1) To make an easier understanding of the invention, the invention is further described in the following examples with reference to the drawings:
(2) FIG.1 is a structural schematic diagram of the dispersion machine for removing impurities from fiber;
(3) FIG.2 is a structural schematic diagram of the dispersion machine for removing impurities from fibers with a feed screw rod;
(4) FIG.3 is a structural schematic diagram of the dispersion machine for removing impurities from fibers with a discharge screw rod;
(5) FIG.4 is a structural schematic diagram of the dispersion machine for removing impurities from fibers with a feed screw rod and a discharge screw rod arranged horizontally;
(6) FIG.5 is a structural schematic diagram of the dispersion machine for removing impurities from fibers with feed screw rod with processing components arranged fixedly, and
(7) The appended drawing reference signs show: 1housing, 2feed port, 3discharge port, 4processing components, 5rotating shaft, 6motor, 7baffle board, 8feed screw rod, 9discharge screw rod, and 10gearing system.
DETAILED DESCRIPTION OF THE INVENTION
Example 1
(8) The dispersion machine for removing impurities from fibers in the invention shown as FIG.1, comprises a cylindrical housing 1 having a feed port 2 arranged on the lower part thereof, a discharge port 3 arranged on the upper part thereof, a rotating shaft provided with a gearing system 10 arranged in the center thereof with a motor 6 arranged on an upper side of the housing and a baffle board 7 arranged at a lower part of an inner wall of the housing and around the rotating shaft, the upper center of the housing also has a baffle board 7 arranged therein.
(9) Processing components 4 are blades, five hundred blades are divided into several groups along the axial direction of the rotating shaft, wherein, the blades of each group are distributed horizontally along the circumferential direction of the rotating shaft and perpendicular to the rotating shaft; except the blade back connecting with the rotating shaft 5 as a connection portion, the thickness of the cutting edges of the blades is 0.005 mm; as a scraping portion, the linear speed of rotation of the cutting blades is 3-10 m/s.
(10) When the apparatus is running, the fibers pulp of which the concentration is 0.5 v % enters the housing 1 through the feed port 2 arranged on the lower part of the housing 1. A plurality of blades are driven to rotate by the rotating shaft 5, the cutting blades contact with the surface of the fibers in the pulp and generate high speed motion relative to the fibers so as to scrap the impurities thereon, as a result, the impurities on most of the fibers in the pulp can be removed effectively.
Example 2
(11) The dispersion machine for removing impurities from fibers in the invention shown as
(12) The processing components 4 are blades, five thousand of blades are divided into several groups along the axial direction of the rotating shaft, wherein, the blades of each group are distributed horizontally along the circumferential direction of the rotating shaft and perpendicular to the rotating shaft; except the blade back connecting with the rotating shaft 5 as a connection portion, the thickness of the cutting edges of the blades is 5 mm; as a scraping portion, the rotating speed of the cutting blades is 200-300 m/s.
(13) When the apparatus is running, the feed screw rod is used to push down the pulp by choosing the continuous operation mode or the intermittent operation mode. Adopting the continuous operation, the fibers pulp whose concentration is 20 v % enters the housing 1 continually through the feed port 2 arranged on the upper part of the housing 1 and is pushed to the blades by the feed screw rod 8, the blades are driven by the rotating shaft 5 to rotate at high speed relative to fibers and contact with the surfaces of fibers so as to scrape the impurities on the surface of the fiber, then the processed fibers is discharged and collected from the discharge port on the lower part of the housing 1. Adopting the intermittent operation, the fibers pulp whose concentration is 20 v % enters the housing 1 continually through the feed port 2 arranged on the upper part of the housing 1 and is pushed to the blades by the feed screw rod 8, the blades are driven by the rotating shaft 5 to rotate at high speed relative to fibers and contact with the surfaces of fibers so as to scrape the impurities on the surface of the fiber, then part of the processed fibers is risen to the upper part of the housing 1 driven by the pulp, at the moment the feed screw rod 8 having the ability of pushing pulp returns this part of pulp to the blades to get reprocessing so that the effective of impurity removal from fibers can be improved. The fibers with low impurity content is discharged from the discharging port 3 then the fibers pulp to be processed inputted from the feeding port 2 repeats the above progress.
Example 3
(14) The dispersion machine for removing impurities from fibers in the invention shown as
(15) The processing components 4 are blades, fifty thousand blades are divided into several groups along the axial direction of the rotating shaft, wherein, the blades of each group are distributed horizontally along the circumferential direction of the rotating shaft and perpendicular to the rotating shaft 5; except the blade back connecting with the rotating shaft 5 as a connection portion, the thickness of the cutting edges of the blades is 3 mm; as a scraping portion, the rotating speed of the cutting blades is 50-100 m/s.
(16) When the apparatus is running, the discharge screw rod 9 is used to push down the pulp, the fibers pulp whose concentration is 10 v % enters the housing 1 continually through the feed port 2 arranged on the upper part of the housing 1. A plurality of blades are driven by the rotating shaft 5 to rotate at high speed relative to fibers and contact with the surfaces of fibers so as to scrape the impurities on the surface of the fiber, and then the processed fibers pushed by the discharge screw rod 9 is discharged from the discharge port 3 on the lower part of the housing 1.
Example 4
(17) The dispersion machine for removing impurities from fibers in the invention shown as
(18) The processing components 4 are blades, one hundred thousand blades are divided into several groups along the axial direction of the rotating shaft, wherein, the blades of each group are distributed vertically along the circumferential direction of the rotating shaft and perpendicular to the rotating shaft 5; except the blade back connecting with the rotating shaft 5 as a connection portion, the thickness of the cutting edges of the blades is 1 mm; as a scraping portion, the rotating speed of the cutting blades is 50-100 m/s.
(19) When the apparatus is running, the feed screw rod 8 and the discharge screw rod 9 are both used to push the pulp to right, the fibers pulp whose concentration is 9 v % enters into the housing 1 continually through the feed port 2 and is pushed to the blades by the feed screw rod 8; A plurality of blades are driven by the rotating shaft 5 to rotate at high speed relative to fibers and contact with the surfaces of fibers so as to scrape the impurities on the surface of the fiber, and then the processed fibers pushed by the discharge screw rod 9 is discharged from the discharge port 3.
(20) In the examples 1-4, a plurality of processing components can be arranged spirally along the rotating shaft 5 so as to push the flow of pulp in the housing 1. The processing components can be replaced with wire rods, plastic plates, nylon wires, etc, and the scraping portions of the processing components could be ends of wire rods, edges of the plastic plates or the ends of the nylon wires. Wherein, the arrangement of wire rods or nylon wires is that a plurality of wire rods or nylon wires are divided into several groups along the axial direction of the rotating shaft and the wire rods or nylon wires of each group are arranged vertically along the circumferential direction of the rotating shaft 5; the arrangement of plastic plates is that a plurality of plastic plates are divided into several groups along the axial direction of the rotating shaft 5 and the plastic plates of each group are arranged vertically along the circumferential direction of the rotating shaft 5.
(21) The dispersion machine for removing impurities from fibers in the invention shown as
(22) The processing components 4 are blades, two hundred thousand blades are divided into several groups along the axial direction of the rotating shaft, the blades of each group are distributed vertically along the circumferential direction of the rotating shaft and perpendicular to the rotating shaft 5; except the blade back connecting with the inner wall of the housing 1 as a connection portion, the thickness of the cutting edges of the blades is 0.1 mm;
(23) When the apparatus is running, the fibers pulp whose concentration is 2 v % enters into the housing 1 continually with the speed of 20 m/s through the feed port 2 arranged on one end of the housing 1. The fixed cutting blades rotate at high speed relative to fibers and contact with the surfaces of fibers so as to scrape most of the impurities on the surface of the fiber, and then the processed fibers pulp is discharged from the discharge port 3 arranged on the other end of the housing 1.
(24) In the example, the processing components 4 can be replaced with wire rods, plastic plates, nylon wires, etc, and the scraping portions of the processing components could be ends of wire rods, edges of the plastic plates or the ends of the nylon wires. Wherein, the arrangement of wire rods or nylon wires is that a plurality of wire rods or nylon wires are divided into several groups along the axial direction of the housing 1 and the wire rods or nylon wires of each group are distributed along the inner circumferential direction of the housing land perpendicular to the inner wall; the arrangement of plastic plates is that a plurality of plastic plates are divided into several groups along the axial direction of the housing 1 and the plastic plates of each group are arranged vertically along the circumferential direction of the inner wall of the housing 1.
(25) Preferably, each of the processing components is streamlined so as to reduce the resistance with the fibers pulp; the streamlined processing component means that the surface thereof is smooth, the line thereof is fluent and is not undulate greatly. The major performance of the fluid on the processing components is laminar flow so as to reduce the resistance from the fluid.
(26) The processing components 4 in the above examples can be replaced with others types of processing components, and the quantity, shape and arrangement can be selected randomly based on the actual situation within the limits of the invention. The scraping portion of the processing components should adopt the materials with hardness and no plastic deformation occurred; the motor 6 can be displaced with other gearing.
(27) The dispersion machine for removing impurities from fibers can be used to process the fibers pulp with not only middle and low concentration but also high concentration.
(28) Even the invention has been described in detail by the examples described above, for persons having ordinary skill in the art, different kinds of changes in any form or detail could be made based on the teachings provided and not exceeding the claims of right are still in the protection scope of this invention.