CN210287193U

CN210287193U - Low-melting-point PA6/66 continuous production device

Info

Publication number: CN210287193U
Application number: CN201920453353.5U
Authority: CN
Inventors: 马驰
Original assignee: Jiangsu Haiyang Polyamide New Material Co ltd
Current assignee: Haiyang Technology Co., Ltd; JIANGSU HAIYANG POLYAMIDE NEW MATERIAL Co.,Ltd.
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2020-04-10
Anticipated expiration: 2029-04-04

Abstract

The utility model discloses a low melting point PA6/66 serialization apparatus for producing, including the polymerizer jar body and three plunger pump, three plunger pump output end fixedly connected with branch pipeline, the branch pipeline keeps away from the one end fixedly connected with three-way valve of three plunger pump output end, three-way valve output end joint has the trunk line, the trunk line keeps away from the one end of three-way valve output end and extends to the polymerizer jar internal portion, polymerizer jar body top is through bolt fixed mounting with the air pump, the air pump gas outlet end fixed connection has the intake pipe; the utility model discloses a valve and pipeline to on the polymerizer jar body improve, can switch the use according to production PA6 or PA6/66, need not carry out large-scale device and build, and a large amount of the cost of having practiced thrift, through the air pump of installation, add pressure gas at the in-process to PA6 or PA6/66 heating, improve heating efficiency, reduce heat time to can improve PA6 or PA 6/66's polymerization effect.

Description

Low-melting-point PA6/66 continuous production device

Technical Field

The utility model relates to a polyamide fibre technical field specifically is a low melting point PA6/66 serialization apparatus for producing.

Background

PA6 has strong hygroscopicity and poor dimensional stability due to the characteristic of strong polarity, and the polyamide with a single component can not meet the application requirements. The random copolymerization can destroy the regularity of a PA6 molecular chain segment, reduce the hydrogen bond forming rate and the crystallinity of the material, cause great changes of the thermal property, the physical property and the mechanical property of the material, reduce the melting point and the crystallinity, have excellent toughness and impact resistance, and generally need to use a polymerizer in the production of PA 6/66.

However, no polymerizer specially used for producing PA6/66 is available on the market at present, the traditional polymerizers are single in functionality, generally, when the polymerizers are used, most polymerizers are connected with a triple plunger pump through a main pipe, then PA6 or PA6/66 is injected into the polymerizer for processing through the triple plunger pump, and the polymerizers cannot be switched to be used according to the production of PA6 or PA6/66, so that large-scale device construction is needed when PA6 or PA6/66 is produced, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a low melting point PA6/66 serialization apparatus for producing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low melting point PA6/66 serialization apparatus for producing, includes the polymerizer jar body and three plunger pump, three plunger pump output end fixedly connected with divides the pipeline, the one end fixedly connected with three plunger pump output end three-way valve is kept away from to the branch pipeline, three-way valve output end joint has the trunk line, the one end that three-way valve output end was kept away from to the trunk line extends to the polymerizer jar internal portion, there is the air pump on polymerizer jar body top through bolt fixed mounting, the air pump is given vent to anger fixedly connected with intake pipe, the one end that the air pump was kept away from in the intake pipe was given vent to anger the.

Preferably, a tubular heater is fixedly mounted on one side of the inner wall of the polymerizer tank body through a bolt, one end of the tubular heater is fixedly connected with a condensed water outlet and a steam inlet, and one ends, far away from the tubular heater, of the condensed water outlet and the steam inlet penetrate through the polymerizer tank body and extend to the outside of the polymerizer tank body.

Preferably, the input ends of the triple plunger pump can be respectively connected with PA6 or PA6/66, and the two groups of branch pipelines are communicated with the two groups of input ends of the three-way valve.

Preferably, the manometer is inlayed to polymerizer jar body upper end one side, polymerizer jar body one side is inlayed and is had automatic vent valve, polymerizer jar body bottom fixed mounting has the discharge gate.

Preferably, the polymerizer vessel is 3-5m in volume configuration, 0.8-1.5m in diameter design and 5-6m in height.

Preferably, the interior of the discharge port is fixedly connected with a pneumatic regulating valve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a valve and pipeline to the polymerizer jar body improve, when in actual use, the three plunger pump can be with PA6 or PA6/66 respectively through dividing in the pipeline injection three-way valve, then can switch PA6 or PA6/66 according to the valve on the three-way valve and flow into to the trunk line in, can flow into the polymerizer jar internal portion at last, then can switch over the use according to production PA6 or PA6/66, need not carry out large-scale device and build, a large amount of costs of having practiced thrift.

2. The utility model discloses an air pump of installation, when the in-service use, if pour into PA6 or PA6/66 into the internal back of polymerizer jar, can open the air pump, it is internal with gaseous injection polymerizer jar to rethread intake pipe, and the internal pressure of polymerizer jar is observed to the accessible manometer, when gas pressure is 317KPa, can close the air pump and stop gas transmission, make the internal material of polymerizer jar carry out polymerization, add pressure gas at the in-process to PA6 or PA6/66 heating, and the heating efficiency is improved, and the heating time is shortened, and the polymerization effect of PA6 or PA6/66 can be improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the tubular heater of the present invention;

fig. 4 is the schematic structural diagram of the three-way valve of the present invention.

In the figure: 1-a polymerizer pot; 2-triple plunger pump; 3-dividing the pipeline; 4-three-way valves; 5-a pressure gauge; 6, an air pump; 7-an air inlet pipe; 8-automatic exhaust valve; 9-pneumatic regulating valve; 10-a discharge hole; 11-a condensate outlet; 12-a steam inlet; 13-tube array heaters; 14-main conduit.

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. 1-4, the present invention provides a technical solution: a low-melting-point PA6/66 continuous production device comprises a polymerizer tank body 1 and a three-plunger pump 2, wherein the output end of the three-plunger pump 2 is fixedly connected with a branch pipeline 3, one end, far away from the output end of the three-plunger pump 2, of the branch pipeline 3 is fixedly connected with a three-way valve 4, the output end of the three-way valve 4 is clamped with a main pipeline 14, one end, far away from the output end of the three-way valve 4, of the main pipeline 14 extends into the polymerizer tank body 1, the top end of the polymerizer tank body 1 is fixedly provided with an air pump 6 through a bolt, the air outlet end of the air pump 6 is fixedly connected with an air inlet pipe 7, and one end, far; the input ends of two groups of three-plunger pumps 2 can be respectively communicated with PA6 or PA6/66, the three-plunger pumps can respectively inject PA6 or PA6/66 into a three-way valve 4 through a branch pipeline 3, then PA6 or PA6/66 can be switched to flow into a main pipeline 14 according to a valve on the three-way valve 4, finally the three-plunger pumps can flow into the polymerizer tank body 1, then a tube array heater 13 can be opened, steam is injected into the tube array heater 13 from a steam inlet 12, the polymerizer tank body 1 can be heated by using the heat of the steam, the generated condensed water is discharged from a condensed water outlet 11, an air pump 6 can be opened, air is injected into the polymerizer tank body 1 through an air inlet pipe 7, the pressure in the polymerizer tank body 1 can be observed through a pressure gauge 5, when the air pressure is 317KPa, the air pump 6 can be closed to stop air transmission, so that the materials in the polymerizer tank body 1 can be polymerized, if the gas pressure in the polymerizer tank 1 is too high, the buoy can fall down to drive the valve rod to move downwards, the valve port is opened, the gas is continuously discharged from the automatic exhaust valve 8, when the gas pressure is lower than the system pressure, the buoy rises to drive the valve rod to move upwards, the valve port of the automatic exhaust valve 8 is closed, the danger caused by the too high pressure in the polymerizer tank 1 can be avoided, the pressure gas is added in the process of heating PA6 or PA6/66, the polymerizer tank can be switched and used according to the production of PA6 or PA6/66, large-scale device construction is not needed, and the cost is greatly saved.

Wherein, the tubular heater 13 is fixedly installed on one side of the inner wall of the polymerizer tank body 1 through bolts, one end of the tubular heater 13 is fixedly connected with a condensed water outlet 11 and a steam inlet 12, and one ends of the condensed water outlet 11 and the steam inlet 12, which are far away from the tubular heater 13, all penetrate through the polymerizer tank body 1 and extend to the outside of the polymerizer tank body 1.

The input end of the triple plunger pump 2 can be respectively connected with PA6 or PA6/66, and the two groups of branch pipelines 3 are communicated with the two groups of input ends of the three-way valve 4.

Wherein, 1 upper end one side of the polymerizer tank body is inlayed and is had

manometer

5, 1 one side of the polymerizer tank body is inlayed and is had

automatic vent valve

8, 1 bottom fixed mounting of the polymerizer tank body has discharge gate 10.

Wherein, the volume of the polymerizer pot 1 is configured for 3-5m high-speed cultivation, the diameter is designed to be 0.8-1.5m, and the height is 5-6 m.

Wherein, the interior of the discharge hole 10 is fixedly connected with a pneumatic regulating valve 9; the discharging speed can be automatically controlled according to the front material gathering position.

The working principle is as follows: when in use, the input ends of the two groups of three-plunger pumps 2 can be respectively communicated with PA6 or PA6/66, the three-plunger pumps can respectively inject PA6 or PA6/66 into the three-way valve 4 through the branch pipeline 3, then the PA6 or PA6/66 can be switched to flow into the main pipeline 14 according to the valve on the three-way valve 4, finally the condensed water can flow into the polymerizer tank 1, then the tubular heater 13 can be opened, steam is injected into the tubular heater 13 from the steam inlet 12, the polymerizer tank 1 can be heated by the heat of the steam, the generated condensed water is discharged from the condensed water outlet 11, the air pump 6 can be opened, the air is injected into the polymerizer tank 1 through the air inlet pipe 7, the pressure in the polymerizer tank 1 can be observed through the pressure gauge 5, when the air pressure is 317KPa, the air pump 6 can be closed to stop air transmission, so that the materials in the polymerizer tank 1 can be polymerized, the pressure gas is added in the process of heating PA6 or PA6/66, so that the pressure gas can be switched to be used according to the production of PA6 or PA6/66, and after the polymerization reaction of PA6 or PA6/66 is finished, the pneumatic adjusting valve 9 can automatically control the discharging speed according to the previous polymerization position.

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. A low-melting-point PA6/66 continuous production device comprises a polymerizer tank body (1) and a triple-plunger pump (2), and is characterized in that: three plunger pump (2) output end fixedly connected with divides pipeline (3), one end fixedly connected with three-way valve (4) of three plunger pump (2) output are kept away from in branch pipeline (3), three-way valve (4) output joint has trunk line (14), the one end that three-way valve (4) output was kept away from in trunk line (14) extends to the polymerizer jar body (1) inside, polymerizer jar body (1) top has air pump (6) through bolt fixed mounting, air pump (6) the end fixedly connected with intake pipe (7) of giving vent to anger, the one end that air pump (6) were kept away from in intake pipe (7) were given vent to anger the end and are run through the polymerizer jar body (1) and extend to the polymerizer jar body.

2. The continuous low melting point PA6/66 production unit of claim 1, wherein: the polymerization ware jar body (1) inner wall one side has tube heater (13) through bolt fixed mounting, tube heater (13) one end fixedly connected with comdenstion water export (11) and steam inlet (12), the one end that tubulation heater (13) were kept away from in comdenstion water export (11) and steam inlet (12) all runs through the polymerization ware jar body (1) and extends to the polymerization ware jar body (1) outside.

3. The continuous low melting point PA6/66 production unit of claim 1, wherein: the input end of the triple plunger pump (2) can be respectively connected with PA6 or PA6/66, and the two groups of branch pipelines (3) are communicated with the two groups of input ends of the three-way valve (4).

4. The continuous low melting point PA6/66 production unit of claim 1, wherein: the automatic control polymerization device is characterized in that a pressure gauge (5) is embedded in one side of the upper end of the polymerizer tank body (1), an automatic exhaust valve (8) is embedded in one side of the polymerizer tank body (1), and a discharge hole (10) is fixedly arranged at the bottom end of the polymerizer tank body (1).

5. The continuous low melting point PA6/66 production unit of claim 1, wherein: the polymerizer pot (1) is subjected to 3-5m high-speed cultivation in volume, the diameter is designed to be 0.8-1.5m, and the height is 5-6 m.

6. The continuous low melting point PA6/66 production device as claimed in claim 4, wherein: and a pneumatic regulating valve (9) is fixedly connected inside the discharge hole (10).