CN210796713U - Polymer melt spinning processing device - Google Patents

Abstract

The utility model belongs to the technical field of polymer chemical fiber. A polymer melt spinning processing device comprises a lower shell, an auxiliary box body, a main box body and an upper shell, wherein the auxiliary box body is provided with a first heating medium inlet and a first heating medium outlet, the bottom of the auxiliary box body is provided with a plurality of through holes side by side, and the side part of the auxiliary box body is provided with a through groove; the main tank body is provided with a second heating medium inlet and a second heating medium outlet, the top of the main tank body is further provided with a feeding pipe, the bottom of the main tank body is provided with a melt filter, the side part of the main tank body is provided with a metering pump assembly, a first conveying pipeline is arranged between the feeding pipe and the feeding port of each metering pump assembly, and a second conveying pipeline is arranged between the discharging port of each metering pump assembly and the corresponding melt filter. This application overall structure is simple, and the operation is safe, and temperature control is even, wholly can form multiple insulation construction automatically, has improved the thermal insulation performance and the heat utilization efficiency of whole product greatly.

Description

Polymer melt spinning processing device

Technical Field

The utility model belongs to the technical field of polymer chemical fibre, concretely relates to polymer melt spinning processingequipment.

Background

The spinning beam as the important equipment of polymer melt spinning can be divided into three parts according to the function: (1) the material conveying, metering, distributing, filtering and fiber forming system of the spinning box body consists of a melt distribution pipeline before the pump, a spinning pump connector, a melt distribution pipeline after the pump, a spinning assembly connector, a spinning assembly and the like; (2) a biphenyl steam heating medium chamber for providing heat energy; (3) is a heat preservation structure of the spinning manifold.

Because the traditional spinning manifold is an integral structure, the biphenyl steam heat medium chamber and the external heat medium steam supply pipeline are welded by inclined pipe joints, and the heat preservation of the spinning manifold adopts an integral coating design structure. Therefore, when the spinning box is cleaned, the heat-insulating layer of the box needs to be removed firstly, the biphenyl pipeline is cut off, the whole box is integrally disassembled, and moreover, the heat-insulating cotton bundle is often adopted for heat insulation of the spinning box, so that fire accidents are easily caused.

Chinese patent CN03220585.6 melt spinning spandex detachable spinning box discloses a detachable spinning box body, but because the volume of the upper and lower box bodies is the same, the heat-insulating material is uniformly covered on the upper and lower box bodies, and the upper and lower box bodies share a biphenyl pipeline, the workload is not reduced too much during detachment. In addition, as the upper box body and the lower box body adopt a buckle closure type structure, the upper box body and the lower box body can not be accurately positioned during installation.

Chinese patent CN96238259.0 "integral easy-to-detach spinning manifold" discloses a modular spinning manifold in which melt flows in a pore passage. The method makes the melt distribution system into an assembly structure of a plurality of metal blocks, so that the operation is complex and the technical requirement is high in the process of disassembly and assembly.

Disclosure of Invention

The utility model aims at the problem that above-mentioned exists with not enough, provide a polymer melt spinning processingequipment, its simple structure, the operation is safe, temperature control is even, wholly can form multiple insulation construction automatically, has improved the thermal insulation performance and the heat utilization efficiency of whole product greatly.

In order to achieve the purpose, the adopted technical scheme is as follows:

a polymer melt spinning process apparatus, comprising: a lower housing; the auxiliary box body is arranged in the lower shell and is provided with a first heating medium inlet and a first heating medium outlet, the auxiliary box body is L-shaped, a plurality of through holes are arranged at the bottom of the auxiliary box body side by side, and a plurality of through grooves are formed in the side part of the auxiliary box body; the main tank body is arranged at the upper part of the auxiliary tank body in a matching way, a second heating medium inlet and a second heating medium outlet are arranged on the main tank body, a feeding pipe is also arranged at the top of the main tank body, a melt filter corresponding to the through hole is arranged at the bottom of the main tank body, and a metering pump assembly corresponding to the through groove is arranged at the side part of the main tank body; the upper shell is arranged at the upper part of the main box body and is matched, buckled and sealed with the lower shell; first conveying pipelines are arranged between the feeding pipes and the feeding holes of the metering pump assemblies, second conveying pipelines are arranged between the discharging holes of the metering pump assemblies and the corresponding melt filters, and the first conveying pipelines and the second conveying pipelines are uniformly distributed in the main box body.

According to the utility model discloses polymer melt spinning processingequipment, preferably, the inlet pipe outside cover is equipped with the outer tube, the third heating medium export has been seted up on outer tube upper portion, the outer tube lower part be provided with the third heating medium entry, the second heating medium export with third heating medium entry intercommunication.

According to the utility model discloses polymer melt spinning processingequipment, preferably, be provided with first energy absorbing unit on the inlet pipe, first energy absorbing unit includes: the first heat-conducting sleeve is matched, attached and sleeved on the feeding pipe; the first fins are distributed on the first heat-conducting sleeve; first fin is helical fin, multichannel helical fin lays on first heat conduction sleeve's outer wall, adjacent two form the medium passageway between the helical fin.

According to the utility model discloses polymer melt spinning processingequipment, preferably, first conveying pipeline with all be provided with second energy-absorbing unit on the second conveying pipeline, second energy-absorbing unit includes: the second heat-conducting sleeve is matched, attached and sleeved on the corresponding conveying pipe; the second fins are distributed on the second heat-conducting sleeve; the energy-absorbing sleeve is sleeved outside the second fins in a matching mode, the first end of the energy-absorbing sleeve is fixedly arranged on the corresponding conveying pipe, the first end of the energy-absorbing sleeve is communicated with the second heating medium inlet, the second end of the energy-absorbing sleeve is open, and a medium channel is formed between every two adjacent second fins.

According to the utility model discloses polymer melt spinning processingequipment, preferably, first conveying pipeline with the second conveying pipeline is the sectional type structure, first conveying pipeline with the second conveying pipeline all includes one section straightway at least, second energy-absorbing unit sets up on the straightway the both ends of straightway are connected and are provided with the bend section.

According to the utility model discloses polymer melt spinning processingequipment, preferably, the bottom of inlet pipe is provided with the material collecting cavity, first conveying pipeline intercommunication sets up on the material collecting cavity, just energy-absorbing sheathed tube second end orientation on the first conveying pipeline the material collecting cavity.

According to the polymer melt spinning processing device of the present invention, preferably, the metering pump assembly comprises a base and a metering pump body fixed on the base, the base is provided with a first material port and a second material port, and a feed port of the metering pump body corresponds to the first material port and is communicated with the first material delivery pipe; and the discharge hole of the metering pump body corresponds to the second material port and is communicated with the second material conveying pipe.

According to the utility model discloses polymer melt spinning processingequipment, preferably, first conveying pipeline is two, two first conveying pipeline is the chevron shape setting, the second conveying pipeline is four the correspondence of main tank bottom is provided with four mounts, four the fuse-element filter is installed respectively on the mount pad, and respectively with the second conveying pipeline intercommunication.

According to the utility model discloses polymer melt spinning processingequipment, preferably, the filter medium in the fuse-element filter is metal sand, or is the mixture of metal sand and sea sand.

According to the utility model discloses polymer melt spinning processingequipment, preferably, go up the casing with the casing all includes the support body and sets up down heat preservation on the support body, the heat preservation is the heat preservation cotton, or the heat preservation is double-deck cavity pottery.

By adopting the technical scheme, the beneficial effects are as follows:

the utility model has reasonable design of the whole structure, strengthens the local heat exchange, improves the heating efficiency, realizes the multi-level heat preservation, ensures that the heated polymer can keep stable, and realizes the efficient heating, the balance of the polymer temperature and the conveying of the polymer in the limited space and the limited path; thereby meeting the effective implementation of the polymer chemical fiber process.

This application has carried out structural design to feeding district section and defeated material district section for heating structure is more meticulous, can realize deciding the district heating by more efficient, is convenient for to the control of polymer temperature, can reduce heating system's energy consumption simultaneously, optimizes heating system's heating efficiency and effect.

According to the heat exchange device, the first energy absorption unit and the second energy absorption unit are arranged, so that a certain positive pressure can be formed in the main box body, and the heat exchange effect is improved in the main box body; and the gas flow velocity is improved in the feeding pipe section, so that the waste heat can be more efficiently utilized. The utility model provides a main tank body, the structure of vice box can realize that the module is assembled to guarantee the heat preservation effect of measurement pump package spare and melt filter, avoid corresponding protrusion structure to influence the temperature of polymer, guarantee the equilibrium of holistic temperature unanimous.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.

Fig. 1 is a schematic structural diagram of a polymer melt spinning processing device according to an embodiment of the present invention.

Fig. 2 is a schematic view of the structure in the direction of a-a in fig. 1.

Fig. 3 is a schematic top view of the structure of fig. 1.

Fig. 4 is a schematic bottom view of fig. 1.

Fig. 5 is a schematic structural view of the lower case and the sub-tank.

Fig. 6 is a schematic top view of the structure of fig. 5.

Fig. 7 is a schematic structural view of the main case.

Fig. 8 is a schematic top view of the structure of fig. 7.

Fig. 9 is a side view of the structure of fig. 7.

Fig. 10 is a schematic view of the structure in the direction B-B in fig. 9.

FIG. 11 is a schematic view of the first feed delivery pipe.

FIG. 12 is a schematic view of a second energy-absorbing unit.

Number in the figure:

110 is a lower shell, 120 is an upper shell;

210 is an auxiliary box body, 211 is a first heating medium inlet, 212 is a first heating medium outlet, 213 is a through hole, 214 is a through groove, 220 is a main box body, 221 is a second heating medium inlet, 222 is a second heating medium outlet, 223 is a feeding pipe, 224 is a melt filter, 225 is a metering pump body, 226 is a first conveying pipe, 227 is a second conveying pipe, 228 is a base, 2281 is a first material port, 2282 is a second material port, 229 is a mounting seat, and 230 is a material collecting cavity;

301 is an outer sleeve, 302 is a third heating medium outlet, 303 is a third heating medium inlet, 304 is a first heat conducting sleeve, and 305 is a first fin;

a second heat-conducting sleeve 401, a second fin 402 and an energy-absorbing sleeve 403.

Detailed Description

In order to make the purpose, technical features and technical effects of the technical solution of the present invention clearer, the drawings of the embodiments of the present invention are combined together, and the example solution of the embodiments of the present invention is clearly and completely described.

Referring to fig. 1 to 12, the present invention relates to a polymer melt spinning apparatus, which comprises a lower housing 110, an auxiliary housing 210, a main housing 220 and an upper housing 120, wherein the auxiliary housing 210 is disposed in the lower housing 110, the auxiliary housing 210 is provided with a first heating medium inlet 211 and a first heating medium outlet 212, the auxiliary housing 210 is L-shaped, a plurality of through holes 213 are arranged at the bottom of the sub-tank 210 side by side, and a plurality of through grooves 214 are arranged at the side of the sub-tank 210, so that the components placed at the positions can be better insulated, thereby leading the temperature in the circulation process of the polymer to be balanced, leading the side walls of the through hole and the through groove to be made of metal materials with better heat conductivity, such as copper and the like, meanwhile, heat-conducting fins can be arranged on the inner sides of the side walls of the through holes and the through grooves, so that the heat-insulating performance of parts in the through holes and the through grooves is further improved; the main tank 220 is arranged at the upper part of the auxiliary tank 210 in a matching way, the main tank 220 is provided with a second heating medium inlet 221 and a second heating medium outlet 222, the top of the main tank 220 is also provided with a feeding pipe 223, the bottom of the main tank 220 is provided with a melt filter 224 corresponding to the through hole 213, the side part of the main tank 220 is provided with a metering pump assembly corresponding to the through groove 214, the metering pump assembly in the embodiment comprises a base 228 and a metering pump body 225 fixed on the base 228, the base and the main tank are of an integral structure, the base 228 is provided with a first material opening 2281 and a second material opening 2282, and the upper shell 120 is arranged at the upper part of the main tank 220 and is matched, buckled and sealed with the lower shell 110; a first material conveying pipe 226 is arranged between the feeding pipe 223 and the feeding port of each metering pump assembly, that is, the first material conveying pipe 226 is fixed to the base and is communicated with the corresponding first material port, a second material conveying pipe 227 is arranged between the discharging port of the metering pump assembly and the corresponding melt filter 224, and the first material conveying pipe 226 and the second material conveying pipe 227 are uniformly distributed in the main box 220. The metering pump body 225 is fixed on the base, and a feed inlet of the metering pump body is correspondingly communicated with the first feed opening 2281 and further communicated with the first feed delivery pipe 226; the discharge port of the metering pump body 225 corresponds to the second port 2282, and is communicated with the second feed delivery pipe 227.

The structure shown in the embodiment and the drawings is specifically as follows: two first material conveying pipes 226 are provided, the two first material conveying pipes 226 are arranged in a herringbone shape, four second material conveying pipes 226 are provided, four mounting seats 229 are correspondingly and integrally arranged at the bottom of the main box body 220, and four melt filters 224 are respectively mounted on the mounting seats 229 and are respectively communicated with the second material conveying pipes 226; the filtering material in the melt filter 224 in this embodiment is metal sand, or a mixture of metal sand and sea sand.

The arrangement of the first conveying pipe and the second conveying pipe not only completes feeding of the polymer, but also enables the polymer to realize flow distribution, and finally realizes a polymer chemical fiber process, so that the subsequent production requirements are met, and the structure design of the upper shell, the lower shell, the main box body and the auxiliary box body enables the whole equipment to be in a modular structure, so that the disassembly and assembly are more convenient; based on the consideration of heat preservation performance, the through holes and the through grooves can respectively meet the heat preservation requirements of the metering pump assembly and the melt filter, so that the polymer can always keep the temperature balance and consistency in the conveying process.

The vice box lateral part of this embodiment sets up first heating medium entry, can set up two to the mobility of guarantee air current in the cavity and the equilibrium of temperature, the export setting of first heating medium is at the lateral wall middle part of L type structure, because the more important effect of vice box is used for the heat preservation to fuse-element filter and measuring pump subassembly, consequently the design of this structure can fully ensure the fluidic flow in-process to the heating of each part, and need not more complicated inside water conservancy diversion structure.

The lateral part of the main box body in this embodiment is provided with the second heating medium inlet, and it sets up at the homonymy with the auxiliary box body, is convenient for carry out the distribution, also sets up to two on the main box body, because the effect of main box body is the heating to the polymer, need ensure heat utilization rate and to the heating effect of the polymer in the pipeline, consequently need carry out further design to its structure to realize better efficiency.

The present embodiment is divided into three stages, the first stage being the feed section; the second stage is the section between the feed pipe and the metering pump assembly; the third stage is the section between the metering pump assembly and the melt filter, ultimately achieving temperature equilibrium stable control of the polymer.

Specifically, in the first stage, an outer sleeve 301 is sleeved outside the feeding pipe 223, a third heating medium outlet 302 is formed in the upper portion of the outer sleeve 301, a third heating medium inlet 303 is formed in the lower portion of the outer sleeve 301, and the second heating medium outlet 222 is communicated with the third heating medium inlet 303. At this time, a heat medium flowing out of the main tank body can be introduced into the outer sleeve to heat the polymer in the feed pipe, and in order to further improve the heating effect in the first stage, a first energy absorption unit is further arranged on the feed pipe 223, the first energy absorption unit comprises a first heat conduction sleeve 304 and a first fin 305, and the first heat conduction sleeve 304 is matched, attached and sleeved on the feed pipe 223; the first fins 305 are arranged on the first heat-conducting sleeve 304; the first fins 305 are helical fins, a plurality of helical fins are arranged on the outer wall of the first heat conducting sleeve 304, a medium channel is formed between every two adjacent helical fins, and at the moment, after a heating medium enters between the outer sleeve and the feeding pipe, the heating medium is dispersed into a plurality of or dozens of air flows which flow through the medium channel, so that efficient heat exchange is realized. It can also realize the choked flow through helical fin's setting, the atmospheric pressure in the guarantee main tank to improve the air velocity in the overcoat pipe, improve the heat utilization efficiency of this district's section, help promoting the interior heating effect of main tank simultaneously, can also set up the pressure detection mouth on the main tank, and place pressure detection device and relief valve for the safety and stability of the internal pressure of guarantee main tank.

Aiming at the second stage and the third stage, a second energy absorption unit is arranged on the first conveying pipeline 226 and the second conveying pipeline 227, the second energy absorption unit comprises a second heat-conducting sleeve 401, a second fin 402 and an energy absorption sleeve 403, and the second heat-conducting sleeve 401 is matched, attached and sleeved on the corresponding conveying pipelines; the second fins 402 are arranged on the second heat conducting sleeve 401; the energy-absorbing sleeve 403 is sleeved outside the second fins 402 in a matching manner, the first end of the energy-absorbing sleeve 403 is fixedly arranged on the corresponding conveying pipe, the first end of the energy-absorbing sleeve 403 is communicated with the second heating medium inlet 221, the second end of the energy-absorbing sleeve 403 is open, a medium channel is formed between every two adjacent second fins 402, and the second fins can be helical fins, straight plate-shaped fins, saw-tooth fins or needle-shaped fins. The gas through the second heating medium inlet is directly heat-exchange energy-absorbing with the second fin, and the heating of polymer can be realized with higher efficiency, so the energy-absorbing sleeve of the application enables the space in the main box body to be further divided, namely, the energy-absorbing sleeve is internally provided with an efficient heating area, and the cavity outside the energy-absorbing sleeve provides a heat preservation effect.

The upper housing 120 and the lower housing 110 in this embodiment both include a frame body and a heat insulating layer disposed on the frame body, the heat insulating layer is heat insulating cotton, or the heat insulating layer is double-layer hollow ceramic, which forms an external protection and heat insulating structure.

Therefore, the heat preservation of the heat preservation box can be comprehensively divided into heat preservation of the main box body, heat preservation of the auxiliary box body, heat preservation of the upper shell and the lower shell and triple heat preservation structures, and a heat insulation effect of the side walls of each structure is combined to form a more multi-layer and multi-level heat preservation structure, so that the overall stability is better; even if the external temperature has taken place relatively great change, can not arouse the change of the heating effect of inside conveying pipeline yet, the design of multiple structure can effectually offset external disturbance, the guarantee heating effect.

Because the first material conveying pipe and the second material conveying pipe need to be turned to a certain degree, the first material conveying pipe 226 and the second material conveying pipe 227 in the embodiment are both of a sectional type structure, the first material conveying pipe 226 and the second material conveying pipe 227 at least comprise a straight line section, the second energy absorption unit is arranged on the straight line section, the two ends of the straight line section are connected and provided with bent pipe sections, joints can be adopted for connecting the bent pipe sections, welding can also be carried out after assembly is finished, or bending deformation forming is carried out, and communication of a feeding pipe, a metering pump assembly and a melt filter is achieved. In the structure, the external thread section is arranged on the straight line section, the internal thread end is arranged on the energy-absorbing sleeve, and then meshing fixation is realized, and the specific structure is shown in fig. 12.

Furthermore, a material collecting cavity 230 is arranged at the bottom of the feeding pipe, the first material conveying pipe 226 is communicated with and arranged on the material collecting cavity 230, the second end of the energy absorption sleeve 403 on the first material conveying pipe 226 faces the material collecting cavity 230, the arrangement of the structure can enable polymers in the feeding pipe to be secondarily mixed in the material collecting cavity, the stage balance of temperature is achieved, the second stage heating is achieved through the conveying of the first material conveying pipe, the stage balance of temperature is achieved through the action of the metering pump, and therefore the balance of the temperature of the polymers entering each melt filter is guaranteed all the time.

The above-mentioned structure of this application has not only fully ensured the heat utilization ratio in the heating, has also carried out further elimination to the unbalanced condition of material temperature in the same cross-section in the pipeline moreover to high-efficient, stable heating has been realized.

In the whole structure, the application focuses more on strengthening local heat exchange, improving heating efficiency and realizing multi-level heat preservation, so that the heated polymer can be kept stable, and efficient heating, polymer temperature balance and polymer conveying are realized in a limited space and a limited path; thereby meeting the effective implementation of the polymer chemical fiber process.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of this application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and changes may be made to the above specific embodiments without departing from the scope of the present invention, and various combinations of the technical features and structures of the present invention may be implemented without departing from the scope of the present invention, which is defined by the appended claims.

Claims (10)

1. A polymer melt spinning process apparatus, comprising:

a lower housing;

the auxiliary box body is arranged in the lower shell and is provided with a first heating medium inlet and a first heating medium outlet, the auxiliary box body is L-shaped, a plurality of through holes are arranged at the bottom of the auxiliary box body side by side, and a plurality of through grooves are formed in the side part of the auxiliary box body;

the main tank body is arranged at the upper part of the auxiliary tank body in a matching way, a second heating medium inlet and a second heating medium outlet are arranged on the main tank body, a feeding pipe is also arranged at the top of the main tank body, a melt filter corresponding to the through hole is arranged at the bottom of the main tank body, and a metering pump assembly corresponding to the through groove is arranged at the side part of the main tank body; and

the upper shell is arranged at the upper part of the main box body and is matched, buckled and sealed with the lower shell;

first conveying pipelines are arranged between the feeding pipes and the feeding holes of the metering pump assemblies, second conveying pipelines are arranged between the discharging holes of the metering pump assemblies and the corresponding melt filters, and the first conveying pipelines and the second conveying pipelines are uniformly distributed in the main box body.

2. The polymer melt spinning processing device according to claim 1, wherein an outer sleeve is sleeved outside the feeding pipe, a third heating medium outlet is formed in the upper portion of the outer sleeve, a third heating medium inlet is formed in the lower portion of the outer sleeve, and the second heating medium outlet is communicated with the third heating medium inlet.

3. The polymer melt spinning processing device of claim 2, wherein said feed tube has a first energy absorbing unit disposed thereon, said first energy absorbing unit comprising:

the first heat-conducting sleeve is matched, attached and sleeved on the feeding pipe; and

the first fins are distributed on the first heat-conducting sleeve;

first fin is helical fin, multichannel helical fin lays on first heat conduction sleeve's outer wall, adjacent two form the medium passageway between the helical fin.

4. The polymer melt spinning processing apparatus of claim 1, wherein said first feed conveyor pipe and said second feed conveyor pipe each have a second energy absorption unit disposed thereon, said second energy absorption unit comprising:

the second heat-conducting sleeve is matched, attached and sleeved on the corresponding conveying pipe;

the second fins are distributed on the second heat-conducting sleeve; and

the energy-absorbing sleeve is sleeved outside the second fins in a matching mode, the first end of the energy-absorbing sleeve is fixedly arranged on the corresponding conveying pipe, the first end of the energy-absorbing sleeve is communicated with the second heating medium inlet, the second end of the energy-absorbing sleeve is open, and a medium channel is formed between every two adjacent second fins.

5. The polymer melt spinning processing device according to claim 4, wherein said first delivery conduit and said second delivery conduit are both of a segmented structure, and each of said first delivery conduit and said second delivery conduit comprises at least one straight segment, and said second energy absorbing unit is disposed on said straight segment, and a bent segment is connected to both ends of said straight segment.

6. The polymer melt spinning processing device of claim 4, wherein a collection chamber is disposed at the bottom of said feed pipe, said first feed delivery pipe is connected to said collection chamber, and a second end of an energy absorbing sleeve on said first feed delivery pipe faces said collection chamber.

7. The polymer melt spinning processing device according to claim 1, wherein the metering pump assembly comprises a base and a metering pump body fixed on the base, the base is provided with a first material port and a second material port, and a material inlet of the metering pump body corresponds to the first material port and is communicated with the first material conveying pipe; and the discharge hole of the metering pump body corresponds to the second material port and is communicated with the second material conveying pipe.

8. The polymer melt spinning process apparatus as claimed in claim 1, wherein said first feed conduits are two, said two first feed conduits are arranged in a chevron shape, said second feed conduits are four, four mounting seats are correspondingly arranged on the bottom of said main housing, and four melt filters are respectively mounted on said mounting seats and respectively communicate with said second feed conduits.

9. The polymer melt spinning process apparatus of claim 1, wherein the filter material in said melt filter is metal sand.

10. The polymer melt spinning processing device according to claim 1, wherein the upper housing and the lower housing each comprise a frame body and an insulating layer arranged on the frame body, and the insulating layer is made of insulating cotton or is made of double-layer hollow ceramic.

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