CN217351634U

CN217351634U - Para-aramid spinning box filtering device

Info

Publication number: CN217351634U
Application number: CN202221324004.1U
Authority: CN
Inventors: 武强强; 韩郡丰
Original assignee: Afchina Corp Co ltd
Current assignee: Afchina Corp Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-02
Anticipated expiration: 2032-05-30

Abstract

The utility model relates to a technical field of counterpoint aramid fiber spinning specifically is a counterpoint aramid fiber spinning box filter equipment, including spinning solution tank, branch pipe and filter assembly, spinning solution tank's bottom is equipped with a plurality of minutes pipes, and the bottom of branch pipe sets up first flange, and the bottom of branch pipe is connected with filter assembly, and filter assembly includes heating cylinder, filter unit and spouts a spinning pack, filter unit with spout a spinning pack and install inside the heating cylinder, spout a spinning pack and install the below at filter unit. The utility model discloses can filter the impurity that exists in the spinning solution, avoid impurity in the spinning solution to lead to the spinneret to block up and arouse follow-up destruction, the fracture of spouting the silk, and the break plate can be with spinning solution evenly distributed to the spinneret on, do benefit to spinneret dispersion pressure, slow down the velocity of flow of spinning solution in centre department, guarantee the expansion ratio uniformity of the spinning solution spinneret orifice that erupts, be favorable to spinning out the even counterpoint aramid fiber silk of thickness.

Description

Para-aramid spinning box filter device

Technical Field

The utility model relates to a technical field of counterpoint aramid fiber spinning specifically is a counterpoint aramid fiber spinning box filter equipment.

Background

The para-aramid fiber is a high-performance fiber, has excellent performances of high strength, high modulus, high temperature resistance, acid and alkali resistance, light weight and the like, has the specific strength of 5-6 times that of a steel wire, the specific modulus of 2-3 times that of the steel wire or glass fiber, the toughness of 2 times that of the steel wire and the weight of only about 20 percent of that of the steel wire, and therefore, has wide application in the civil and national defense fields.

At present, a dry-jet wet spinning method is adopted for para-aramid spinning, and the dry-jet wet spinning method is a spinning method more suitable for a liquid crystal solution, and the main process is as follows: the method comprises the steps of adopting high-temperature (80-90 ℃) and high-concentration (16-20%) PPTA/concentrated sulfuric acid liquid crystal slurry, spraying the liquid crystal slurry at a high speed in a dry spraying mode under the action of relatively high shearing force, enabling the liquid flow to pass through a section of thin gas layer, then entering a low-temperature solidification bath, enabling the liquid flow to pass through a spinning pipe, enabling the solidification liquid to flow downwards along the spinning pipe under the action of gravity, solidifying the liquid flow into filaments under the action of tension, and obtaining fibers through washing, drying and subsequent heat treatment.

However, in the prior art, after a spinning solution is extruded from a spinning tube to a spinneret plate, the spinning solution directly enters a coagulating bath after passing through a gas layer, so that impurities in the spinning solution can cause the blockage of the spinneret plate, the shape of a liquid stream flowing out of a spinneret hole is changed, the defects of a strand silk are increased, early damage and breakage occur during stretching, and the spinning solution is gathered on the spinneret plate under the action of jet pressure, so that the spinneret plate is deformed, and the manufacturing cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a counterpoint aramid fiber spinning box filter equipment, specific embodiment is as follows:

a para-aramid spinning box body filtering device, which comprises a spinning solution box, a branch pipe and a filtering component,

the method is characterized in that: the spinning solution tank is characterized in that a plurality of branch pipes are arranged at the bottom of the spinning solution tank, a first flange is arranged at the bottom of each branch pipe, the bottom of each branch pipe is connected with a filtering assembly, each filtering assembly comprises a heating cylinder, a filtering component and a spinning component, the filtering component and the spinning component are arranged inside the heating cylinder, and the spinning component is arranged below the filtering component.

Further, the cartridge heater includes first barrel and second barrel, forms the heating chamber between first barrel and the second barrel, the upper and lower both ends of first barrel are equipped with respectively with the admission line and the outlet duct of heating chamber intercommunication, and cartridge heater top and bottom are equipped with first through-hole and second through-hole, first through-hole department is equipped with the second recess, and the heating cavity can let in heated gas, makes filter assembly's temperature control at 20 degrees centigrade, prevents that spinning solution from crossing the phenomenon that appears bonding because of the temperature is low.

Further, the heating cylinder further comprises a sleeving seat, the sleeving seat is respectively provided with a third through hole, a first groove and a sleeving hole along the radial direction, the first groove is clamped with the first flange, and the sleeving hole is in threaded connection with the upper end of the first cylinder body and is connected with the branch pipe and the heating cylinder.

Furthermore, the filtering component comprises a blind pipe, a filter cloth and a clamping ring, the blind pipe is a cylinder with an open top, a plurality of uniformly distributed filtering holes are formed in the cylinder body of the blind pipe, a second flange is arranged at the top of the blind pipe and clamped with a second groove, the filter cloth is sleeved on the blind pipe and fixed through the clamping ring at the upper end and the lower end, the spinning solution flows out of the filtering holes, and impurities in the spinning solution are removed through the filter cloth.

Furthermore, the clamping ring comprises a first clamping ring and a second clamping ring, the first clamping ring and the second clamping ring are oppositely arranged and fixedly connected through bolts, the filter cloth is convenient to disassemble due to the design, and the phenomenon that the spinning solution cannot be filtered due to excessive impurities on the filter cloth is prevented.

Furthermore, the spinning part comprises a distribution plate, the distribution plate is arranged at the bottom of the heating cylinder, a plurality of oval distribution holes are formed in the distribution plate, a fourth through hole is formed in the middle of the distribution plate and connected with the bottom of the blind pipe, an overflow port is formed below the distribution plate, the distribution plate can evenly distribute spinning solution to the spinneret plate, and the phenomenon that the spinneret plate bulges due to over-concentrated pressure and deforms the spinneret plate is avoided.

Furthermore, the spinning part also comprises a spinneret plate, the spinneret plate is a cylinder with an opening at the upper end, a third flange is outwards arranged at the top of the spinneret plate, and a plurality of spinneret holes are formed in the bottom of the spinneret plate, so that the spinning solution can be uniformly sprayed out.

Furthermore, the spinning component further comprises a blocking ring and a sleeving ring, the blocking ring is a hollow cylinder, the top of the blocking ring is connected with the bottom of the third flange, the sleeving ring is a cylinder with an upper end and a lower end being open, the top opening is in bolted connection with the bottom of the heating cylinder, the diameter of the bottom opening of the sleeving ring is slightly smaller than that of the blocking ring, the spinneret plate is fixed at the bottom of the heating cylinder by the blocking ring and the sleeving ring, the sleeving ring is sleeved at the bottom of the heating cylinder and is connected with the heating cylinder in a threaded fit mode, and therefore quality of the spinneret plate can be conveniently checked and the spinneret plate can be conveniently replaced.

Owing to adopted above technical scheme, the beneficial technological effect of the utility model is that:

1. the utility model can filter the impurities in the spinning solution, and avoid the impurities in the spinning solution from causing the blockage of the spinneret plate and the damage and the fracture of the subsequent spinning;

2. the utility model discloses the distribution hole that sets up can be with spinning solution evenly distributed to the spinneret on, does benefit to spinneret dispersion pressure to the concentrated pressure that the balanced spinning solution velocity of flow of distribution board resistance appears slows down the velocity of flow of spinning solution department in the middle, guarantees the inflation ratio uniformity of the spinning solution spinneret orifice that erupts, is favorable to spinning out the even counterpoint aramid fiber silk of thickness.

Drawings

FIG. 1 is a schematic structural view of a para-aramid spinning box filtering device of the present invention;

FIG. 2 is a schematic view of a part of the structure of a para-aramid spinning box filtering device of the present invention;

FIG. 3 is a cross-sectional view of a filter assembly according to the present invention;

FIG. 4 is a cross-sectional view of a portion of the filter assembly of the present invention;

fig. 5 is an exploded view of the filter assembly of the present invention;

FIG. 6 is a schematic structural view of a filter element according to the present invention;

FIG. 7 is a cross-sectional view of the middle connection seat of the present invention;

fig. 8 is an exploded view of the middle ferrule, baffle ring, and spinneret plate of the present invention.

Description of reference numerals:

1. a spinning solution box 2, a branch pipe 3 and a filtering component,

21. a first flange which is provided on the outer surface of the body,

31. a heating cylinder 32, a filtering component 33, a spinning component,

311. the device comprises a first barrel body 312, a second barrel body 313, a heating cavity 314, a first through hole 315, a second through hole 316, a socket joint seat 321, a blind pipe 322, filter cloth 323, a clamping ring 331, a distributing plate 332, a spinneret plate 333, a baffle ring 334, a socket joint ring,

3111. inlet channel, 3112, outlet channel, 3141, second recess, 3161, third through-hole, 3162, first recess, 3163, cup joint the hole, 3211, filter the hole, 3212, second flange, 3231, first clamp ring, 3232, second clamp ring, 3311, distribution hole, 3312, fourth through-hole, 3313, overflow gate, 3321, third flange, 3322, spinneret orifice.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:

it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that the present invention can achieve.

Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

The utility model provides a counterpoint aramid fiber spinning box filter equipment, includes spinning solution case 1, divides pipe 2 and filter assembly 3, and spinning solution case 1's bottom is equipped with a plurality of branch pipes 2, divides the bottom of pipe 2 to set up first flange 21, divides the bottom and the filter assembly 3 of pipe 2 to be connected, and filter assembly 3 includes heating cylinder 31, filter house 32 and spouts a spinning pack 33, filter house 32 and spout a spinning pack 33 and install inside heating cylinder 31, spout a spinning pack 33 and install the below at filter house 32.

The heating cylinder 31 comprises a first cylinder 311 and a second cylinder 312, a heating cavity 313 is formed between the first cylinder 311 and the second cylinder 312, an air inlet pipeline 3111 and an air outlet pipeline 3112 which are communicated with the heating cavity 313 are respectively arranged at the upper end and the lower end of the first cylinder 311, a first through hole 314 and a second through hole 315 are arranged at the top and the bottom of the heating cylinder 31, and a second groove 3141 is arranged at the first through hole 314.

The heating cylinder 31 further comprises a socket 316, the socket 316 is respectively provided with a third through hole 3161, a first groove 3162 and a socket 3163 along the radial direction, the first groove 3162 is clamped with the first flange 21, and the socket 3163 is in threaded connection with the upper end of the first cylinder 311.

The filtering component 32 comprises a blind pipe 321, a filter cloth 322 and a clamping ring 323, the blind pipe 321 is a cylinder with an opening at the top, a plurality of filtering holes 3211 are uniformly distributed on the cylinder body of the blind pipe 321, a second flange 3212 is arranged at the top of the blind pipe 321, the second flange 3212 is clamped with a second groove 3141, and the filter cloth 322 is sleeved on the blind pipe 321 and fixed by the clamping ring 323 at the upper end and the lower end.

The clamping ring 323 comprises a first clamping ring 3231 and a second clamping ring 3232, wherein the first clamping ring 3231 and the second clamping ring 3232 are arranged oppositely and fixedly connected through a bolt.

The spinning part 33 includes a distribution plate 331, the distribution plate 331 is disposed at the bottom of the heating cylinder 31, the distribution plate 331 has a plurality of oval distribution holes 3311, a fourth through hole 3312 is disposed at the middle of the distribution plate 331, the fourth through hole 3312 is connected to the bottom of the blind pipe 321, and an overflow port 3313 is disposed below the distribution plate 331.

The spinning member 33 further includes a spinneret plate 332, which is a cylinder with an open upper end, the top of the spinneret plate 332 is provided with a third flange 3321, and the bottom thereof is provided with a plurality of spinning holes 3322.

The spinning component 33 further comprises a baffle ring 333 and a sleeve ring 334, the baffle ring 333 is a hollow cylinder, the top of the baffle ring 333 is connected with the bottom of the third flange 3322, the sleeve ring 334 is a cylinder with openings at the upper and lower ends, the top opening is connected with the bottom of the heating cylinder 31 through a bolt, and the diameter of the bottom opening of the sleeve ring 334 is slightly smaller than that of the baffle ring 333.

Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.

Claims

1. A para-aramid spinning box body filtering device comprises a spinning solution box (1), a branch pipe (2) and a filtering component (3),

the method is characterized in that: the spinning solution tank is characterized in that a plurality of branch pipes (2) are arranged at the bottom of the spinning solution tank (1), first flanges (21) are arranged at the bottoms of the branch pipes (2), the bottoms of the branch pipes (2) are connected with the filtering component (3), the filtering component (3) comprises a heating cylinder (31), a filtering component (32) and a spinning component (33), the filtering component (32) and the spinning component (33) are arranged inside the heating cylinder (31), and the spinning component (33) is arranged below the filtering component (32).

2. The para-aramid spinning beam filtering device of claim 1, characterized in that: the heating cylinder (31) comprises a first cylinder body (311) and a second cylinder body (312), a heating cavity (313) is formed between the first cylinder body (311) and the second cylinder body (312), an air inlet pipeline (3111) and an air outlet pipeline (3112) communicated with the heating cavity (313) are respectively arranged at the upper end and the lower end of the first cylinder body (311), a first through hole (314) and a second through hole (315) are arranged at the top and the bottom of the heating cylinder (31), and a second groove (3141) is arranged at the position of the first through hole (314).

3. The para-aramid spinning beam filtering device of claim 2, characterized in that: the heating cylinder (31) further comprises a sleeving seat (316), the sleeving seat (316) is respectively provided with a third through hole (3161), a first groove (3162) and a sleeving hole (3163) along the radial direction, the first groove (3162) is clamped with the first flange (21), and the sleeving hole (3163) is in threaded connection with the upper end of the first cylinder (311).

4. The para-aramid spinning manifold filtering device according to claim 2, characterized in that: the filtering part (32) comprises a blind pipe (321), filter cloth (322) and a clamping ring (323), the blind pipe (321) is a cylinder with an open top, a plurality of uniformly distributed filtering holes (3211) are formed in the cylinder body of the blind pipe (321), a second flange (3212) is arranged at the top of the blind pipe (321), the second flange (3212) is clamped with a second groove (3141), and the filter cloth (322) is sleeved on the blind pipe (321) and fixed through the clamping ring (323) at the upper end and the lower end.

5. The para-aramid spinning beam filtering device of claim 4, characterized in that: the clamping ring (323) comprises a first clamping ring (3231) and a second clamping ring (3232), wherein the first clamping ring (3231) and the second clamping ring (3232) are oppositely arranged and fixedly connected through a bolt.

6. The para-aramid spinning beam filtering device of claim 5, characterized in that: the spinning component (33) comprises a distribution plate (331), the distribution plate (331) is arranged at the bottom of the heating cylinder (31), a plurality of oval distribution holes (3311) are formed in the distribution plate (331), a fourth through hole (3312) is formed in the middle of the distribution plate (331), the fourth through hole (3312) is connected with the bottom of the blind pipe (321), and an overflow port (3313) is arranged below the distribution plate (331).

7. The para-aramid spinning beam filtering device of claim 6, characterized in that: the spinning part (33) further comprises a spinneret plate (332), the spinneret plate (332) is a cylinder with an opening at the upper end, a third flange (3321) is outwards arranged at the top of the spinneret plate (332), and a plurality of spinning holes (3322) are formed in the bottom of the spinneret plate (332).

8. The para-aramid spinning beam filtering device of claim 7, characterized in that: the spinning component (33) further comprises a baffle ring (333) and a sleeve ring (334), the baffle ring (333) is a hollow cylinder, the top of the baffle ring (333) is connected with the bottom of the third flange (3321), the sleeve ring (334) is a cylinder with an upper end and a lower end which are open, the top opening is connected with the bottom of the heating cylinder (31) through a bolt, and the diameter of the bottom opening of the sleeve ring (334) is slightly smaller than that of the baffle ring (333).