CN211921752U

CN211921752U - High-temperature high-pressure valve type combined melt filter strip

Info

Publication number: CN211921752U
Application number: CN201921968038.2U
Authority: CN
Inventors: 卢嘉庆; 卢明; 孙晔; 陈华明
Original assignee: Zhangjiagang Mingzhenqing Environmental Protection Technology Co ltd
Current assignee: Zhangjiagang Mingzhenqing Environmental Protection Technology Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-11-13
Anticipated expiration: 2029-11-14

Abstract

The utility model relates to a granulation, spinning technical field just disclose high temperature high pressure valve formula combination fuse-element and filter strip, including thick wall filter core pipe, filter screen cover and lock nut, the outside of thick wall filter core pipe is located to the filter screen cover, and the both ends port department of filter screen cover all is equipped with sealing connecting piece, the right side of thick wall filter core pipe is connected with lock nut, the thick wall filter core pipe is connected with the right-hand member port of filter screen cover through the lock nut on right side, the left end of thick wall filter core pipe is outer all to be equipped with fuse-element valve structure along the left side junction with lock nut, thick wall filter core pipe and lock nut are connected with the sealing connecting piece at filter screen cover both ends through the fuse-element valve respectively, constitute and force seal structure. The high-temperature high-pressure valve type combined melt filter strip is in valve type sealing connection with the thick-wall filter core pipe through the filter screen sleeve, and the high-temperature high-pressure melt is forcibly sealed by adopting the valve type forcible sealing element, so that no leakage point is realized in the true sense.

Description

High-temperature high-pressure valve type combined melt filter strip

Technical Field

The utility model relates to a granulation, spinning technical field specifically are a high temperature high pressure valve formula combination fuse-element filter strip.

Background

The melt filter strip is a part of a melt filter, and the melt filter is important equipment for high-speed spinning and fine-denier yarn spinning, is used for continuously filtering high polymer melt and removing impurities and unmelted particles in the melt so as to improve the spinning performance of the melt and ensure the spinning quality.

The high-temperature and high-pressure melt filter strip on the existing market generally has the following defects:

the combined filter strip adopts the net sleeve to be hermetically connected with the end face of the core pipe, so that the leakage point is obvious, the spinning cycle of the spinning assembly is not more than 3 days, the inner core pipe (the wall thickness is less than 5mm) has large inner diameter, more nest materials, long high-temperature retention time of melt and serious viscosity degradation, and when the filter element is switched, more residues, large raw material waste, increased spinning defects, low product quality and low yield are generated;

fixed filter strip adopts screen cloth and core pipe welded seal fixed connection, can not decompose, because of calcining, wash the incomplete material not clean, influences spinning assembly spinning cycle when using again, shortens the cycle to 5 days in, and the inner core pipe (the wall thickness is less than 5mm), the internal diameter is big, and nest material is many, and fuse-element high temperature dwell time is long, and viscosity degradation is serious, and the residue is many when switching the filter core, and the raw materials is extravagant big, and many spinning defects product quality is low, the output decline.

Therefore, in order to solve the above problems, the utility model provides a high temperature high pressure valve formula combination solution filter strip structure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high temperature high pressure valve formula combination fuse-element filter strip possesses the advantage of no leak source, has solved the easy electric leakage of current filter strip, viscosity degradation is serious, the residue is many, the extravagant big scheduling problem of raw materials.

The utility model provides a following technical scheme: high temperature high pressure valve formula combination fuse-element filter strip, including thick wall filter core pipe, filter screen cover and lock nut, the outside of thick wall filter core pipe is located to the filter screen cover, and the both ends port department of filter screen cover all is equipped with sealing connection, the right side of thick wall filter core pipe is connected with lock nut, the lock nut that the thick wall filter core pipe passes through the right-hand member port on right side is connected with the filter screen cover, the left end of thick wall filter core pipe all is equipped with fuse-element valve structure along the left side junction with lock nut outward, thick wall filter core pipe and lock nut are connected with the sealing connection at filter screen cover both ends through the fuse-element valve respectively, constitute and force seal structure.

Preferably, the wall thickness of the thick-walled filter element tube is up to 6-12 mm.

Preferably, the inclination of the melt valve is 6 to 9 °.

Preferably, the outer side of the thick-wall filter element pipe is provided with an inflow hole, the inner part of the thick-wall filter element pipe is provided with a melt outflow channel, and the inflow hole are communicated with each other.

The utility model discloses possess following beneficial effect:

1. the high-temperature high-pressure valve type combined melt filter strip is in valve type sealing connection with the thick-wall filter core pipe through the filter screen sleeve, and the high-temperature high-pressure melt is forcibly sealed by adopting the valve type forcible sealing element, so that no leakage point is realized in the true sense.

2. The high-temperature high-pressure valve type combined melt filter strip is formed by combining a thick-wall filter core pipe and a filter screen sleeve which are locked by a forced sealing valve type nut; in the using process, the calcining, decomposing, cleaning and assembling are convenient and free, no dead angle exists in cleaning, the cleaning is more thorough, no residue exists, the recycling is as normal as before, no influence is caused, no leakage point exists, the cleaning is clean, the spinning cycle of the spinning assembly is prolonged to more than 15 days, the viscosity is protected and not degraded, the spinning cycle of the assembly is prolonged, the spinning defects are reduced, the strength is greatly improved, the product quality is obviously improved, and the yield is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the thick-walled filter core of the present invention;

fig. 3 is a schematic view of the structure of the filter screen sleeve of the present invention.

In the figure: 1. a thick-walled filter element tube; 2. a filter screen sleeve; 3. locking the nut; 4. and a melt valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the high-temperature and high-pressure valve type combined melt filter strip includes a thick-walled filter core tube 1, a filter screen sleeve 2 and a lock nut 3, the filter screen sleeve 2 is sleeved outside the thick-walled filter core tube 1, the wall thickness of the thick-walled filter core tube 1 is up to 6-12mm, the wall thickness is up to 6-12mm, the melt residue is less, the fluid speed is high, the melt viscosity is protected and is not degraded, an inflow hole is formed on the outside of the thick-walled filter core tube 1, a melt outflow channel is formed inside the thick-walled filter core tube 1 and is communicated with the inflow hole outflow channel, sealing connectors are respectively arranged at two end ports of the filter screen sleeve 2, the lock nut 3 is connected to the right side of the thick-walled filter core tube 1, the thick-walled filter core tube 1 is connected to the right end port of the filter screen sleeve 2 through the lock nut 3 on the right side, a melt valve 4 structure is arranged at a connection position of the, the thick-wall filter core pipe 1 and the locking nut 3 are respectively connected with sealing connecting pieces at two ends of the filter screen sleeve 2 through the melt valve 4 to form a forced sealing structure, the filter screen sleeve 2 is in valve type sealing connection with the thick-wall filter core pipe 1, the high-temperature and high-pressure melt is forcibly sealed by adopting a valve type forced sealing element, no leak point in the true sense is realized, the inclination of the melt valve 4 is 6-9 degrees, the melt valve is convenient and free to calcine, decompose, clean and assemble in the using process, the cleaning is free of dead angle, the cleaning is more thorough, no residue exists, the cycle use is normal as before, no influence exists at all, the cleaning is realized due to no leak point, the spinning period of the spinning assembly is prolonged to more than 15 days, the viscosity is protected and not degraded, the spinning period of the assembly is prolonged, the defects are reduced, the strength is greatly improved, the product quality is obviously improved.

In the spinning or granulating production, according to the filters with different sizes, several or more high-temperature high-pressure valve type melt filter strips are connected with a filter core plate, and when the filter strips are placed in a spinning or granulating filter and heated and kept warm to reach the production process conditions, the filter core plate starts to work, the spinning or granulating melt is pressed into a thick-wall filter core pipe 1 from the outside of the filter strips and flows to the core plate, and superior fibers or slices are produced by a series of spinning or granulating equipment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. High temperature high pressure valve formula combination fuse-element filter strip, including thick wall filter core pipe (1), filter screen cover (2) and lock nut (3), its characterized in that: the outside of thick wall filter core pipe (1) is located to filter screen cover (2) cover, and the both ends port department of filter screen cover (2) all is equipped with sealing connecting piece, the right side of thick wall filter core pipe (1) is connected with lock nut (3), thick wall filter core pipe (1) is connected with the right-hand member port of filter screen cover (2) through lock nut (3) on right side, the left end of thick wall filter core pipe (1) is outer all to be equipped with fuse-element valve (4) structure along the left side junction with lock nut (3), thick wall filter core pipe (1) and lock nut (3) are connected with the sealing connecting piece at filter screen cover (2) both ends through fuse-element valve (4) respectively, constitute and force seal structure.

2. A high temperature high pressure valve-type combination melt filter strip according to claim 1, wherein: the wall thickness of the thick-wall filter core pipe (1) is up to 6-12 mm.

3. A high temperature high pressure valve-type combination melt filter strip according to claim 1, wherein: the inclination of the melt valve (4) is 6-9 degrees.

4. A high temperature high pressure valve-type combination melt filter strip according to claim 1, wherein: the outer side of the thick-wall filter element pipe (1) is provided with an inflow hole, the inner part of the thick-wall filter element pipe (1) is provided with a melt outflow channel, and the inflow hole are communicated with each other.