KR101366224B1 - Manufacturing apparatus for hollow fiber membrane - Google Patents

Abstract

The hollow fiber membrane manufacturing apparatus of the present invention removes contaminants present in the water by passing only water through many micropores, and produces a hollow fiber membrane (10) having a structure with a hole in the center thereof. In the desert manufacturing apparatus, Reactor frame 110; A polymer solution storage unit T1 fixedly installed at the reactor frame 110 and containing a polymer solution therein; A polymer solution supply unit 120 for constantly supplying a polymer solution contained in the polymer solution storage unit T1; A coagulation solution storage unit T2 fixedly installed at the reactor frame 110 and containing a coagulation solution therein; A coagulation solution supply unit 130 for supplying a coagulation solution contained in the coagulation solution storage unit T2 constantly; A nozzle 140 which receives the coagulation solution into the polymer solution to shape and discharge the hollow fiber membrane 10; A spinneret (T3) containing a phase transfer liquid therein to solidify the hollow fiber membrane 10; A first tension roller (R1) installed in the spinneret tank T3 to pass through the phase transfer liquid; A plurality of second tension rollers (R2) (R3) for supporting the hollow fiber membrane (10) by maintaining a predetermined distance from the first tension roller (R1); A first tension roller height adjusting unit (H) for adjusting a height of the first tension roller (R1); A coagulation tank (T4) installed adjacent to the spinneret (T3); A plurality of solidification rollers (R4) (R5) installed in the coagulation tank (T4) for winding the hollow fiber membrane (10);
A solidification roller driver M1 for driving the solidification rollers R4 and R5; A solidification roller guide (G1) slidably installed along the guide rail (L1) installed at the side of the coagulation tank (T4) to guide the hollow fiber membrane (10); Stretching roller (R6) is installed in the coagulation tank (T4) for stretching the hollow fiber membrane (10); An extension roller driving unit M2 for driving the extension roller R6; Stretching roller guide (G2) is installed to slide along the guide rail (L2) installed on the coagulation tank (T4) side to guide the hollow fiber membrane (10); And a winding unit 150 for winding the hollow fiber membrane 10 that has passed through the stretching roller R6.
The present invention by installing a heater in all the lines (pipes) to be emitted to the nozzle to maintain the polymer solution at a constant temperature, it is possible to easily manufacture the spinning speed and the desired product.
In addition, the present invention can freely adjust the height of the first tension roller installed in the spinneret tank using a cylinder, smoothly guides the hollow fiber membranes using a solidification roller guide, the stretching roller is a hollow fiber membrane It is possible to manufacture the hollow fiber membrane with excellent quality by stretching uniformly.
In addition, the present invention can reduce the amount of the cleaning solution, the heater capacity can be reduced because the height of the solution storage tank of the winding unit can be freely adjusted by the storage tank height adjusting unit, the winding roller by using the traverse There is an effect that can prevent the winding to only one side.

Description

Hollow fiber membrane manufacturing apparatus {Manufacturing apparatus for hollow fiber membrane}

The present invention relates to a hollow fiber membrane manufacturing apparatus, and more particularly, by installing a heater in all the lines (pipes) radiated by the nozzle to maintain the polymer solution at a constant temperature, the spinning speed and the desired product can be easily manufactured. The hollow fiber guide is used to smoothly guide the hollow fiber, and the stretching roller uniformly stretches the hollow fiber to produce high quality hollow fiber, and the cleaning solution storage tank is freely raised and lowered by the storage tank height adjusting part. The present invention relates to a hollow fiber membrane manufacturing apparatus capable of reducing the amount of cleaning solution (waste).

     In general, the hollow fiber membrane is a porous filter having pores ranging from tens of nanometers to several micrometers, and removes contaminants in the water by passing only water through a myriad of micropores distributed on the membrane surface.

     Hollow yarn means that the filter thread which is shaped like a hole with a hole in the middle is gathered together, and the hollow fiber membrane contains countless fine pores mentioned above, so that not only domestic water purifier but also industrial wastewater treatment and ultrapure water manufacturing process And it has been applied to a variety of purposes ranging from medical artificial kidneys.

     Membrane technology is one of the separation technologies using the material-selective permeation properties of polymer materials. The use of membranes in water treatment and sewage / wastewater treatment has been increasing dramatically since the beginning of the 1960s. A very useful device for separating liquids, liquids and liquids, gases and gases, and liquids and gases. Except in special cases, it does not involve phase changes, which saves energy and the process is simple. There is an advantage.

    Membranes are widely used throughout the industry, including wastewater treatment, water treatment, including water production, concentration in the food and pharmaceutical sectors, separation of oxygen and nitrogen from the air and recovery of ammonia. Separation membranes can be classified into various types according to their shape and separation performance. First, they are classified into flat membranes, tubular membranes, and hollow fiber membranes according to their types. Can be. As described above, the use of the separation membrane to separate the mixture by selectively passing a specific component has been widely used in various forms. Among them, the hollow fiber membrane is in the form of a hollow tube, which has a large surface area than other types of membranes, and thus yields a large yield.

The conventional hollow fiber manufacturing apparatus for membranes disclosed in Korean Utility Model Publication No. 20-0397302 is a structure in which the height of the roller cannot be freely adjusted, and since it is not provided with a drawing roller, the hollow fiber is not uniformly stretched, so the quality is not excellent. , Since the height of the cleaning solution storage tank cannot be adjusted, the amount of the cleaning solution cannot be reduced and the heater capacity can not be reduced.

    The present invention is to solve the above problems, by installing a heater in all the lines (pipes) radiated by the nozzle to maintain the polymer solution at a constant temperature, the hollow fiber membrane manufacturing apparatus that can easily manufacture the spinning speed and the desired product The purpose is to provide.

    In addition, another object of the present invention can freely adjust the height of the first tension roller installed in the spinneret tank using a cylinder, smoothly guides the hollow fiber membranes using a coagulation roller guide, stretching roller An object of the present invention is to provide a hollow fiber membrane manufacturing apparatus capable of uniformly stretching a hollow fiber membrane to produce a hollow fiber membrane having excellent quality.

In addition, another object of the present invention is that the solution storage tank of the winding unit can be freely adjusted by the height of the storage tank height adjustment portion can reduce the amount of cleaning solution (waste solution), and also reduce the heater capacity, It is to provide a hollow fiber membrane manufacturing apparatus that can prevent the winding roller to be wound on only one side by using a traverse.

    In order to achieve the above object, the hollow fiber membrane manufacturing apparatus according to the present invention removes contaminants present in the water by passing only water through many micropores, and removes the hollow fiber membrane having a structure having a hole in the center thereof. An apparatus for manufacturing a hollow fiber membrane, comprising: a reactor frame; A polymer solution storage tank fixed to the reactor frame and containing a polymer solution therein; A polymer solution supply unit for constantly supplying a polymer solution contained in the polymer solution storage tank; A solidification liquid storage tank fixed to the reactor frame and containing a solidification liquid therein; A coagulation solution supply unit for supplying a coagulation solution contained in the coagulation solution storage tank at a constant; A nozzle for receiving the coagulation solution into the polymer solution to form and discharge the hollow fiber membrane; A spinneret tank in which a phase transfer liquid is contained to solidify the hollow fiber membrane; A first tension roller installed in the spinneret tank to pass through the phase transfer liquid; A plurality of second tension rollers which support the hollow fiber membrane by maintaining a predetermined distance from the first tension roller; A first tension roller height adjusting unit for adjusting a height of the first tension roller; A coagulation tank installed adjacent to the spinneret tank; A plurality of coagulation rollers installed in the coagulation tank to wind the hollow fiber membranes; A solidification roller driver for driving the solidification roller; A solidification roller guide installed to slide along a guide rail installed at a side of the coagulation tank to guide the hollow fiber membrane; An extension roller installed in the coagulation tank for stretching the hollow fiber membrane; A stretching roller driving unit for driving the stretching roller; An extension roller guide installed to slide along a guide rail installed at a side of the coagulation tank to guide the hollow fiber membrane; And a winding unit for winding the hollow fiber membrane that has passed through the stretching roller.

    The first tension roller height adjusting unit may be a hydraulic or pneumatic cylinder.

    The nozzle, the first inlet is formed on the side of the nozzle body, the second inlet is formed in the upper portion of the nozzle body, the outlet port communicating with the first inlet and the second inlet in the lower portion of the nozzle body Is formed, the polymer solution is supplied to the first inlet, and a coagulation solution is supplied to the second inlet, and the hollow fiber membrane is discharged through the outlet.

    The winding unit includes a solution storage tank containing a cleaning solution; Winding roller to which hollow fiber membrane is wound; A winding roller driver for driving the winding roller; And a storage tank height adjusting unit for adjusting the height of the solution storage tank.

     As described above, in the present invention, by installing a heater in all lines (pipes) radiated by the nozzle to maintain the polymer solution at a constant temperature, the spinning speed and the desired product can be easily manufactured.

      In addition, the present invention can freely adjust the height of the first tension roller installed in the spinneret tank using a cylinder, smoothly guides the hollow fiber membranes using a solidification roller guide, the stretching roller is hollow fiber By stretching the membrane uniformly, it is possible to produce a hollow fiber membrane of excellent quality.

In addition, the present invention can reduce the amount of the cleaning solution (waste solution), the heater capacity can be reduced, because the height of the solution storage tank of the winding unit can be freely adjusted by the storage tank height adjusting unit, by using a traverse There is an effect that the winding roller can be prevented from being wound on only one side.

1 is a front view showing the overall configuration of a hollow fiber manufacturing apparatus for a separator according to a preferred embodiment of the present invention
Fig. 2 is a plan view of Fig. 1
Figure 3 is an enlarged view of the main portion excerpt of Figure 1
5 is a rear view of FIG. 3.
7 is a cross-sectional view showing the internal structure of the nozzle
8 is a view for explaining the operation of the guide
9 is a front view of the winding unit;
10 is a left side view of the winding unit
11 is a right side view of the winding unit

     Hereinafter, a hollow fiber membrane manufacturing apparatus according to a preferred embodiment of the present invention with reference to the accompanying drawings will be described in detail.

    1 is a front view showing the overall configuration of the hollow fiber membrane manufacturing apparatus according to a preferred embodiment of the present invention, Figure 2 is a plan view of Figure 1, Figure 3 is an enlarged view of the main portion of Figure 1, Figure 5 is a rear view of Figure 3, 7 is a cross-sectional view showing the internal structure of the nozzle, Figure 8 is a view for explaining the operation of the guide, Figure 9 is a front view of the winding unit, Figure 10 is a left side view of the winding unit, Figure 11 is a right side view of the winding unit. .

     In the hollow fiber membrane manufacturing apparatus 100 according to the preferred embodiment of the present invention, the polymer solution storage part T1 is fixed to the reactor frame 110.

     The polymer solution storage part T1 contains a polymer solution therein, and the polymer solution supply part 120 is configured to uniformly supply the polymer solution toward the nozzle 140.

     The polymer solution supply unit 120 serves as a pump, and the heater 2 is installed in all lines (pipes) radiated from the reactor to the nozzle 140 via the polymer solution supply unit 120 to supply the polymer solution to a predetermined temperature. It is desirable to keep the spin rate and to make the desired product. A1 is a coagulation solution piping, and A2 is a polymer solution piping.

     A coagulating solution storage part T2 containing a coagulating solution therein is installed in the reactor frame 110. The coagulating liquid supply unit 130 is configured to supply the coagulating liquid to the nozzle 140 constantly.

    The nozzle 140 has a first inlet 141 formed on the side of the nozzle body 140 ', a second inlet 142 is formed on the nozzle body 140', the nozzle A discharge port 143 is formed at the lower portion of the body 140 'to communicate with the first inlet 141 and the second inlet 142. A polymer solution is injected into the first inlet 141. The coagulating solution is injected into the second inlet 142 to discharge the hollow fiber membrane 10 through the outlet 143.

    Below the nozzle 140 is installed a spinneret tank T3 containing a phase transfer liquid therein to solidify the hollow fiber membrane 10.

In the spinneret tank T3, a first tension roller R1 is installed to pass through the phase transfer liquid.

   A plurality of second tension rollers R2 and R3 are installed to maintain a predetermined distance from the first tension roller R1 to support the hollow fiber membrane 10.

    A first tension roller height adjusting part H is installed at a side of the spinneret T3 to freely adjust the height of the first tension roller R1. Here, the first tension roller height adjusting unit H may be configured as a hydraulic cylinder.

  Coagulation tank (T4) is installed in the position adjacent to the spinneret (T3).

   The spinneret tank T3 and the coagulation tank T4 are always filled with a coagulation solution to a height at which the coagulation rollers R4 and R5 and the stretching roller R6 are locked. have.

   The coagulation tank (T4) is provided with a plurality of coagulation roller (R4) (R5) for winding the hollow fiber membrane (10). The solidification roller (stabilizing roller) (R4) (R5) serves to allow the hollow fiber membrane 10 to stay in the coagulation solution for a long time.

   A solidification roller driving unit M1 for driving the solidification rollers R4 and R5 is connected to the solidification rollers R4 and R5.

   The solidification roller (R4) (R5) is locked in the coagulation solution of the coagulation tank (T4) can be rotated by winding the hollow fiber membrane 10 several times to solidify the hollow fiber membrane for a predetermined time.

  Since the hollow fiber membranes 10 are overlapped with each other when the winding rollers R4 and R5 are wound several times, the hollow fiber membranes are damaged, so as to prevent them from dropping between the hollow fiber membranes 10 and the hollow fiber membranes 10 so as not to stick to each other. Should be. To this end, a comb-shaped solidification roller guide G1 having a plurality of protrusions formed at equal intervals between the pair of solidification rollers R4 and R5 is mounted. The solidification roller guide G1 is installed to be slidably moved along the guide rail L1 on the side of the coagulation tank T4 (see FIGS. 1 and 8).

  In the coagulation tank T4, a stretching roller R6 for stretching the hollow fiber membrane 10 is installed. The stretching roller R6 serves to uniformly stretch the hollow fiber membrane 10.

  The stretching roller driving unit M2 for driving the stretching roller R6 is connected to the stretching roller R6.

  When the winding roller (R6) is wound several times, the hollow fiber membranes 10 are overlapped with each other, so that the hollow fiber membranes are damaged, so that the hollow fiber membranes 10 and the hollow fiber membranes 10 are dropped so as not to stick to each other. To this end, a comb-shaped stretching roller guide G2 having a plurality of protrusions formed at equal intervals is mounted on the coagulation tank T4 side. The stretching roller guide G2 is installed to be slidable along the guide rail L2 (see FIGS. 1 and 8).

  A winding unit 150 is provided to wind the hollow fiber membrane 10 that has passed through the stretching roller R6. The winding unit 150 includes a solution storage tank 151 containing a cleaning solution, a winding roller 152, a winding roller driving unit 153, and a storage tank height adjusting unit 154. V1 shows the connecting belt of the winding roller drive unit.

   In the winding unit 150, it is preferable to eliminate the winding of the winding roller 152 to only one side by using the traverse T. In this case, the minimum maximum range of the traverse is proportional to the size of the winding roller 152, and can be adjusted by using a sensor and time.

   The solution storage tank 151 may be height-adjusted by the storage tank height adjusting part 154, for example, the rotational force of the motor 154a is applied to the pulley P of the storage tank height adjusting part 154. The belt V, which is transmitted and connected to the pulley P, is configured to rotate the conveying screw 154b, and the conveying screw 154b is provided with a helical slider 154c, and the slider 154c is a solution. It is fixed to the storage tank 151. In such a structure, when the transfer screw 154b is rotated by the motor 154a, the slider 154c moves up and down to adjust the height of the solution storage tank 151, so that the cleaning solution (waste) It is desirable to reduce the amount of heat and to reduce the heater capacity. In addition, although not shown in the figure, the height of the solution storage tank 151 may be adjusted by a hydraulic cylinder or a pneumatic cylinder.

   Referring to the operation of the hollow fiber membrane manufacturing apparatus 100 according to a preferred embodiment of the present invention configured as described above are as follows.

   First, the polymer solution supply unit 120 injects the polymer solution of the polymer solution storage tank T1 into the first inlet 141 of the nozzle 140, and the coagulation solution supply unit 130 is a coagulation solution storage tank ( The coagulating liquid of T2) is injected into the second inlet 142 and discharged through the outlet 143 to form the hollow fiber membrane 10.

   The first tension roller R1 solidifies the hollow fiber membrane 10 discharged through the nozzle 140 by passing through a spinneret T3, and the second tension roller R2 and R3. The first tension roller R1 maintains a predetermined distance and serves to support the hollow fiber membrane 10.

    Here, the height of the first tension roller R1 may be appropriately adjusted by using the first tension roller height adjusting part H such as a cylinder.

    The solidification roller (R4) (R5) is installed in the coagulation tank (Tag) serves to increase the solidification time of the hollow fiber membrane 10, the solidification roller (R4) (R5) It is driven by the cooling roller drive part M1.

    The solidification roller guide G1 slides along the guide rail L1 installed on the side of the coagulation tank T4 and guides the hollow fiber membrane 10 to be wound several times. ) Plays a role of overlapping each other.

    The stretching roller R6 serves to uniformly stretch the hollow fiber membrane 10, and the stretching roller R6 is driven by the stretching roller driving unit M2.

    The stretching roller guide G2 slides along the guide rail L2 installed at the side of the coagulation tank T4 and guides the hollow fiber membrane 10 to be wound several times. ) Plays a role of overlapping each other.

    The winding unit 150 serves to wind the hollow fiber membrane 10 that has passed through the stretching roller R6, and eliminates winding of the winding roller 152 to one side by using a traverse T. It is desirable to. In this case, the minimum maximum range of the traverse is proportional to the size of the winding roller 152 and can be adjusted using a sensor and time.

   The solution storage tank 151 rotates the transfer screw 154b by the storage tank height adjusting unit 154, specifically, the motor 154a, and a slider 154c is installed on the transfer screw 154b for helical coupling. The slider 154c is fixed to the solution storage tank 151. When the feed screw 154b is rotated by the motor 154a, the slider 154c moves up and down the slider 154c to raise and lower the height of the solution storage tank 151. By appropriately adjusting, the amount of cleaning solution (waste) can be adjusted.

    As described above, in the present invention, by installing a heater in all lines (pipes) radiated by the nozzle to maintain the polymer solution at a constant temperature, the spinning speed and the desired product can be easily manufactured.

    In addition, the present invention can freely adjust the height of the first tension roller installed in the spinneret tank using a cylinder, smoothly guides the hollow fiber membranes using a solidification roller guide, the stretching roller is a hollow fiber membrane It is possible to manufacture the hollow fiber membrane with excellent quality by stretching uniformly.

    In addition, the present invention can reduce the amount of the cleaning solution, the heater capacity can be reduced because the height of the solution storage tank of the winding unit can be freely adjusted by the storage tank height adjusting unit, the winding roller by using the traverse It is effective to eliminate the winding of only one side.

2: heater
10: hollow fiber membrane
100: hollow fiber membrane manufacturing apparatus
110: reactor frame
T1: polymer solution storage unit
120: polymer solution supply unit
T2: coagulation liquid storage
130: coagulation liquid supply part
140: nozzle
140 ': Nozzle body
141: first inlet
142: second inlet
143: outlet
150: winding unit
151: solution storage tank
152: winding roller
153: winding roller driving unit
154: height of the storage tank
T3: Spinneret tank
R1: first tension roller
R2, R3: second tension roller
H: first tension roller height adjustment unit
T4: Coagulation tank
R4, R5: solidification roller
M1: solidification roller drive unit
L1: guide rail
G1: solidification roller guide
R6: stretching roller
M2: drawing roller drive unit
L2: guide rail
G2: Drawing Roller Guide

Claims (4)

In the hollow fiber membrane manufacturing apparatus for removing the contaminants present in the water by passing only water through many micropores, and manufacturing the hollow fiber membrane (10) having a structure with a hole in the center,
Reactor frame 110;
A polymer solution storage unit T1 fixedly installed at the reactor frame 110 and containing a polymer solution therein;
A polymer solution supply unit 120 for constantly supplying a polymer solution contained in the polymer solution storage unit T1;
A coagulation solution storage unit T2 fixedly installed at the reactor frame 110 and containing a coagulation solution therein;
A coagulation solution supply unit 130 for supplying a coagulation solution contained in the coagulation solution storage unit T2 constantly;
A nozzle 140 which receives the coagulation solution into the polymer solution to shape and discharge the hollow fiber membrane 10;
A spinneret (T3) containing a phase transfer liquid therein to solidify the hollow fiber membrane 10;
A first tension roller (R1) installed in the spinneret tank T3 to pass through the phase transfer liquid;
A plurality of second tension rollers (R2) (R3) for supporting the hollow fiber membrane (10) by maintaining a predetermined distance from the first tension roller (R1);
A first tension roller height adjusting unit (H) for adjusting a height of the first tension roller (R1);
A coagulation tank (T4) installed adjacent to the spinneret (T3);
A plurality of solidification rollers (R4) (R5) installed in the coagulation tank (T4) for winding the hollow fiber membrane (10);
A solidification roller driver M1 for driving the solidification rollers R4 and R5;
A solidification roller guide (G1) slidably installed along the guide rail (L1) installed at the side of the coagulation tank (T4) to guide the hollow fiber membrane (10);
Stretching roller (R6) is installed in the coagulation tank (T4) for stretching the hollow fiber membrane (10);
An extension roller driving unit M2 for driving the extension roller R6;
Stretching roller guide (G2) is installed to slide along the guide rail (L2) installed on the coagulation tank (T4) side to guide the hollow fiber membrane (10); And
And a winding unit (150) for winding the hollow fiber membrane (10) through the stretching roller (R6). The method of claim 1,
The first tension roller height adjustment unit (H) is a hollow fiber membrane manufacturing apparatus, characterized in that the hydraulic or pneumatic cylinder. The method of claim 1,
The nozzle 140 is
The first inlet 141 is formed on the side of the nozzle body 140 ', the second inlet 142 is formed on the nozzle body 140', the lower part of the nozzle body 140 ' An outlet 143 is formed in communication with the first inlet 141 and the second inlet 142,
The polymer solution is supplied to the first inlet 141 and a coagulation solution is supplied to the second inlet 142, and the hollow fiber membrane 10 is discharged through the outlet 143. Hollow fiber membrane manufacturing apparatus. The method of claim 1,
The winding unit 150 is
A solution storage tank 151 containing a cleaning solution;
A winding roller 152 to which the hollow fiber membrane is wound;
A winding roller driver 153 for driving the winding roller 152; And
And a storage tank height adjusting unit (154) for adjusting the height of the solution storage tank (151).

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