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CN-224208488-U - Lignin production raw material screening plant

CN224208488UCN 224208488 UCN224208488 UCN 224208488UCN-224208488-U

Abstract

The utility model provides a lignin production raw material screening device which comprises an assembly bracket, a feeding hopper, a material homogenizing part, a vibrating part, a screening part and a blanking part, wherein the feeding hopper is fixed at the top of the assembly bracket, the material homogenizing part is arranged at the bottom of the feeding hopper, the vibrating part is arranged on the assembly bracket, the screening part is rotatably arranged in the vibrating part through a rotating shaft, the inner wall of the screening part is fixedly connected with a material distributing frame corresponding to the material homogenizing part, the blanking part is arranged on the vibrating part and the screening part and is used for supporting and pushing the screening part, and the lignin production raw material screening device can be used for uniformly throwing a small amount of raw materials into the screening part for a plurality of times through the arranged material homogenizing part, so that lignin fibers are prevented from accumulating on a screening surface, the possibility of interweaving the fibers into a block is reduced, the screening efficiency is effectively improved, and impurities after screening are conveniently and rapidly discharged from the screening part under the cooperation of the blanking part.

Inventors

  • ZHAO XINHUA
  • HUANG YANFEN

Assignees

  • 图们市华威友邦化工有限公司

Dates

Publication Date
20260508
Application Date
20250410

Claims (7)

  1. 1. A lignin production feedstock screening apparatus comprising: The feeding hopper (29) is fixed on the top of the assembly bracket (1); The material homogenizing part (2), wherein the material homogenizing part (2) is arranged at the bottom of the feed hopper (29); A vibration part (3), wherein the vibration part (3) is arranged on the assembly bracket (1); The screening part (4) is rotatably arranged in the vibrating part (3) through a rotating shaft (7), and a material separating frame (30) corresponding to the material homogenizing part (2) is fixedly connected to the inner wall of the screening part (4); A blanking part (5), wherein the blanking part (5) is assembled on the vibrating part (3) and the screening part (4) and is used for supporting and pushing the screening part (4); A guide part (6), wherein the guide part (6) is arranged on the vibrating part (3) and the assembly bracket (1), the guide part (6) is used for penetrating and stabilizing the vibrating part (3), and the vibration part (3) is fixed by the guide part Driving the vibrating part (3), and under the limit of the guide part (6), the sieving part (4) vertically moves in the assembly bracket (1); The material homogenizing part (2) is used for uniformly conveying raw materials in the feed hopper (29) into the screening part (4) and contacting the material distributing frame (30); The blanking part (5) is used for pushing the sieving part (4) to rotate in the vibrating part (3) so as to discharge raw material impurities in the sieving part (4).
  2. 2. A lignin production feedstock screening apparatus according to claim 1 wherein, Screening portion (4) are including setting up screening jar (8) in vibrating portion (3), can dismantle the assembly screening jar (8) top lid (9), intercommunication are in discharging pipe (10) of screening jar (8) bottom, offer feed inlet (11) on lid (9), and can dismantle the assembly screening jar (8) inside filter screen (12).
  3. 3. A lignin production feedstock screening apparatus according to claim 2 wherein, The utility model provides a screening machine, including feed hopper (29), feed hopper (29) are linked together, the other end pass feed inlet (11), and arrange in equalizing pipe (13) in screening jar (8), install equalizing pipe (13) outside driving motor (14), rotate install in equalizing pipe (13), and with driving motor (14) output fixed connection's control lever (15), annular fixed connection is in on control lever (15) outer wall, and with a plurality of feed divider (16) of equalizing pipe (13) inner wall looks adaptation, and fix equalizing pipe (13) bottom water conservancy diversion frame (17).
  4. 4. A lignin production feedstock screening apparatus according to claim 3 wherein, The vibration part (3) comprises a plurality of buffer springs (18) which are fixed in the assembly bracket (1) in a ring-shaped array, a control frame (19) which is fixed at the other ends of the buffer springs (18), and two vibration motors (20) which are symmetrically arranged on the control frame (19).
  5. 5. A lignin production feedstock screening apparatus according to claim 4 wherein, The blanking part (5) comprises two hydraulic rods (21) symmetrically hinged on the control frame (19), a discharging pipe (22) communicated with the screening tank (8), an electric push rod (23) fixed on the outer wall of the screening tank (8), and a baffle plate (24) fixed at the output end of the electric push rod (23) and slidingly assembled in the discharging pipe (22); The baffle (24) is used for sealing the discharge pipe (22); The output ends of the two hydraulic rods (21) are hinged with the screening tank (8).
  6. 6. A lignin production feedstock screening apparatus according to claim 4 wherein, The guide part (6) comprises two guide brackets (25) fixed on the control frame (19), a plurality of guide rails (26) symmetrically fixed on the assembly bracket (1), and a plurality of guide wheels (27) symmetrically fixed on the two guide brackets (25) and respectively connected with the guide rails (26) in a sliding way.
  7. 7. A lignin production feedstock screening apparatus according to claim 3 wherein, The bottom of the cover body (9) is fixedly connected with a rubber shielding ring (28) for shielding a gap between the feeding hole (11) and the equalizing pipe (13).

Description

Lignin production raw material screening plant Technical Field The utility model relates to the technical field of lignin production, in particular to a lignin production raw material screening device. Background The lignin fiber is an organic fiber obtained by taking bamboo or natural wood as a raw material and carrying out chemical treatment, is generally in a cotton-like shape, has white or off-white color, is very stable in chemistry, can be kept stable at the temperature of up to 250 ℃, is not easy to corrode by common solvents and acid and alkali, and has the characteristics of no toxicity, no smell, no pollution and no radioactivity, so that the lignin fiber has wide application in a plurality of fields of asphalt, roads, concrete, mortar, gypsum products, wood pulp, sponge and the like, and impurities in the raw material need to be screened out by a screening device during lignin production. However, the screening plates inside the existing screening device are arranged in the machine body, so that the screening device is inconvenient to assemble, disassemble and clean, impurities after screening are easy to leave on the screening screen, and are inconvenient to clean, and meanwhile, lignin raw materials are stacked and flow in when flowing into the screening plates, and are easy to be stacked and agglomerated on the screening plates, so that the screening effect is affected. Disclosure of utility model The utility model aims to provide a lignin production raw material screening device which aims to solve the problems. In order to achieve the aim, the embodiment of the utility model provides a lignin production raw material screening device, which comprises an assembly bracket and a feeding hopper, wherein the feeding hopper is fixed at the top of the assembly bracket; the material homogenizing part is arranged at the bottom of the feeding hopper; a vibrating portion mounted on the mounting bracket; The screening part is rotatably arranged in the vibrating part through a rotating shaft, and the inner wall of the screening part is fixedly connected with a material separating frame corresponding to the material homogenizing part; the blanking part is assembled on the vibrating part and the sieving part and is used for supporting and pushing the sieving part; The guide part is arranged on the vibrating part and the assembly bracket and is used for penetrating and stabilizing the vibrating part, wherein Driving the vibrating part, wherein the screening part vertically moves in the assembly bracket under the limit of the guide part; the material homogenizing part is used for uniformly conveying the raw materials in the feed hopper into the screening pipe and contacting the material distributing frame; The blanking part is used for pushing the screening part to rotate in the vibrating part so as to discharge raw material impurities in the screening part. Further, the screening portion is including setting up screening jar in the vibrating portion, can dismantle the assembly the lid at screening jar top, the intercommunication is in the discharging pipe of screening jar bottom, offer the feed inlet on the lid, and can dismantle the assembly the inside filter sieve of screening jar. Further, the material homogenizing part comprises a material homogenizing pipe, a driving motor, a control rod, a plurality of distributing plates and a flow guiding frame, wherein one end of the control rod is communicated with the material feeding hopper, the other end of the control rod penetrates through the material feeding port and is arranged in the screening tank, the driving motor is arranged outside the material homogenizing pipe, the control rod is rotatably arranged in the material homogenizing pipe and fixedly connected with the output end of the driving motor, the annular control rod is fixedly connected to the outer wall of the control rod, the distributing plates are matched with the inner wall of the material homogenizing pipe, and the flow guiding frame is fixed at the bottom of the material homogenizing pipe. Further, the vibration part comprises a plurality of buffer springs fixed in the assembly bracket in a ring-shaped array, a control bracket fixed at the other ends of the buffer springs, and two vibration motors symmetrically arranged on the control bracket. Further, the blanking part comprises two hydraulic rods symmetrically hinged on the control frame, a discharging pipe communicated with the screening tank, an electric push rod fixed on the outer wall of the screening tank, a baffle fixed at the output end of the electric push rod and slidingly assembled in the discharging pipe; The baffle is used for sealing the discharge pipe; The output ends of the two hydraulic rods are hinged with the screening tank. Further, the guiding part comprises two guiding brackets fixed on the control frame, a plurality of guide rails symmetrically fixed on the assembling bracket, and a plurality of guiding wheels symmet