KR101296430B1 - Vertical type sublimation purifying apparatus and method of the same - Google Patents

Abstract

Vertical sublimation purification apparatus and methods are disclosed. After sublimation of the mixture of impurities and sublimable organics in a sublimation unit to sublimate the organics from the mixture, the sublimed organics are deposited on an organic matter collection member detachably disposed in a collection unit connected to the sublimation unit. By separating the organic matter collecting member from the collecting unit and then separating the purified organic matter from the organic matter collecting member, it is possible to shorten the time taken to separate and collect the organic matter from the collecting unit, and the purified organic matter is separated during the separation of the organic matter from the collecting unit. It is possible to prevent some contamination.

Sublimation, Purification, Collection, Sublimation Unit, Collection Unit

Description

VERTICAL TYPE SUBLIMATION PURIFYING APPARATUS AND METHOD OF THE SAME

1 is a cross-sectional view showing a sublimation purification apparatus according to an embodiment of the present invention.

FIG. 2 is a sectional view of the collecting body shown in FIG. 1. FIG.

3 is a perspective view illustrating the organic material collecting member illustrated in FIG. 2.

4 is a flowchart showing a sublimation purification method according to an embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

10: sublimation unit 20: collection unit

30: temperature control unit 40: vacuum pump

The present invention relates to a vertical sublimation purification apparatus and method. More specifically, the present invention relates to a vertical sublimation purification apparatus and method that not only makes it possible to purify organics from a mixture of impurities and sublimable organics, but also makes it easier to collect purified organics.

Recently, thanks to the technology development of information processing apparatuses, it is possible to process a large amount of data in a short time, and a display apparatus for displaying the result data processed by the information processing apparatuses as images according to the technology development of various information processing apparatuses. Technology development is also progressing rapidly.

Representative display devices include a liquid crystal display (LCD), an organic light emitting device (OLED), and a plasma display panel (PDP). Briefly, the liquid crystal display displays an image using the electrical and optical characteristics of the liquid crystal, the organic light emitting device displays the image using an organic light emitting material that emits light, and the plasma display panel uses an plasma to display the image. Is displayed.

Among them, the driving voltage is very low, the color is excellent, and can be manufactured in a low temperature process, the development of the technology of the organic light generating device that can be formed on a flexible material with a low melting temperature, such as plastic is progressing rapidly.

The organic light emitting device includes a pair of opposite electrodes and an organic light emitting layer interposed between the electrodes. As forward current is applied to the organic light emitting layer by the electrodes, light is generated by a light emitting mechanism inherent to the organic light emitting device as is known in the organic light emitting layer.

Such characteristics of the organic light emitting device are closely related to the purity of the organic material forming the organic light emitting layer. When the purity of the organic material is low, it is difficult to generate light of a desired color, and the display quality of the image is greatly reduced. The method for increasing the purity of organic matter has been disclosed in Korean Patent Laid-Open No. 2002-0082490 "Sublimation Purification Method and Apparatus". In the sublimation purification method and apparatus, the organic substance sublimed in the sublimation unit horizontally is guided to the collection unit by suction of a vacuum pump and collected in the collection unit. At this time, the sublimed organic material guided to the collection unit is deposited on the inner wall of the collection unit. In addition, at least two collection units are connected in parallel via a flange to the sublimation purification method and apparatus.

However, the above-described sublimation purification method and apparatus scrapes and collects the purified organic matter deposited on the collection unit, which is integrally connected with the sublimation unit, making it difficult to scrape and collect the purified organic matter from the collection unit, and The foreign matter may contaminate the purified organic matter again.

In particular, a plurality of collection units can be connected in parallel to one sublimation unit to increase the amount of purified organic matter, but in this case it is more difficult to collect the purified organic matter and more easily purified organic matter can be contaminated by foreign foreign matter. I have a problem.

In addition, the above-described sublimation purification method and apparatus are required to transfer the sublimated organic substance in a horizontal batch to the collection unit when the suction power of the vacuum pump is low or high, which is to be transferred from the sublimation unit to the collection unit using the suction or inert gas of the vacuum pump. There is also a problem that the amount of purified organic matter collected varies greatly.

Accordingly, the present invention has been made in view of the above-described problems, and one object of the present invention is to provide a sublimation refining apparatus which makes it easier to collect purified organic matter.

Another object of the present invention is to provide a sublimation purification method by the sublimation purification apparatus described above.

Sublimation refining apparatus for implementing one object of the present invention is a sublimation unit comprising a body for receiving a mixture of sublimable organic matter and impurities and a heater for heating the mixture, on the upper side of the sublimation unit in the opposite direction of gravity A sublimation unit and a sublimation unit including a collection body which is connected to the organic material sublimated from the mixture in a direction opposite to gravity, and an organic material collection member detachably disposed on an inner wall of the collection body and on which the sublimed organic material is deposited to form a purified organic material. And a temperature regulating unit for regulating the temperature of the unit and the collecting unit, respectively.

A sublimation purification method for implementing another object of the present invention is to heat a mixture of sublimable organics and impurities inside a sublimation unit, and collect the sublimed organics from the mixture placed on top of the sublimation unit in a direction opposite to gravity. Guide to the body. Attaching the sublimed organic material to the surface of the organic material collecting member which is detachably disposed inside the collecting body to form purified organic material, separating the organic material collecting member from the collecting body, and separating and collecting the purified organic material from the organic material collecting member Steps.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the sublimation purification method and apparatus according to embodiments of the present invention, the present invention is not limited to the following embodiments, having a general knowledge in the art It will be apparent to those skilled in the art that the present invention may be embodied in various other forms without departing from the spirit of the invention. In the accompanying drawings, the dimensions of the sublimation unit, the collection unit, the temperature control unit and other structures are shown in larger scale than actual for clarity of the invention. In the present invention, a sublimation unit, a collection unit, a temperature control unit, and the like when the sublimation unit, the collection unit, the temperature control unit and other structures are referred to as being formed "on", "upper" or "lower". Meaning that the structures are formed directly above or below the sublimation unit, collection unit, temperature control unit and other structures, or other sublimation unit, collection unit, temperature control unit and other structures may be further formed on the substrate. .

Sublimation tablet device

1 is a cross-sectional view showing a sublimation purification apparatus according to an embodiment of the present invention.

Referring to FIG. 1, the sublimation purification apparatus 100 includes a sublimation unit 10, a collection unit 20, and a temperature control unit 30. Optionally, the sublimation purification apparatus 100 may further include a vacuum pump 40.

The sublimation unit 10 has a sublimation chamber 1. In the present embodiment, the sublimation chamber 1 is made of, for example, quartz and has a pipe shape. The sublimation chamber 1 has an opening, and the opening of the sublimation chamber 1 faces in a direction parallel to the direction of gravity.

The sublimable material to be purified, for example, a mixed material in solid form in which impurities and sublimable organic matter are mixed, is continuously introduced into the sublimation chamber 1 by a conveyor belt or the like. The same container can be continuously introduced into the sublimation chamber 1.

The collection unit 20 is connected with the sublimation unit 10. The collection unit 20 captures the sublimed organics in the sublimation unit 10.

FIG. 2 is a sectional view of the collecting body shown in FIG. 1. FIG.

Referring to FIG. 2, the collection unit 20 is disposed above the sublimation unit 10, and the collection unit 20 includes a collection body 22 and an organic matter collecting member 24.

The collecting body 22 of the collecting unit 20 has a pipe 22a having open ends, and flanges 22b and 22e are formed at both openings of the pipe 22a. In this embodiment, the pipes 22a and the flanges 22b and 22e of the collection unit 20 may be made of quartz material, respectively.

On the other hand, a plurality of fixing portions 22c are formed on the inner side surface of the pipe 22a in which both ends are opened. For example, the fixing portion 22c may be a recess formed to a predetermined depth from the inner surface of the tube 22a. The fixing part 22c may have various shapes, such as circular shape, square shape, and polygonal shape, when looking toward the inner surface of the pipe 22a, and the fixing part 22c is along the inner surface of the pipe 22a. A plurality is arranged regularly.

The organic matter collecting member 24 is detachably disposed inside the collecting body 22. Specifically, the organic matter collecting member 24 is detachably coupled to the fixing portion 22c formed on the inner side surface of the tube 22a of the collecting body 22. In the present embodiment, the organic material collecting member 24 may be made of, for example, quartz and have a rod shape. The organic matter collecting member 24 is coupled to each fixing portion 22c arranged along the inner surface of the tube 22a.

On the other hand, in order to place a larger number of organic collecting members 24 inside the collecting body 22 having a limited volume, the organic collecting member 24 is disposed on the inner side of the tube 22a of the collecting body 22. It is preferable to be disposed at an acute angle toward the sublimation direction or the sublimation opposite direction. Preferably, the organic matter collecting member 24 is preferably installed at an angle of 45 ° to 60 ° with respect to the inner surface of the tube 22a of the collecting body 22.

Meanwhile, an exhaust pipe 26 may be connected to the flange 22e disposed at the upper portion of the collecting body 22, and a vacuum pump 40 and a trap 45 may be connected to the exhaust pipe 26.

The sublimation unit 10 and the collection body 22 described above are disposed in a direction parallel to the direction of gravity, and the sublimation unit 10 and the collection body 22 are formed in the sublimation unit 10 and the collection body 22, respectively. They are joined together by flanges.

3 is a perspective view illustrating the organic material collecting member illustrated in FIG. 2.

Referring to FIG. 3, the sublimed organic material in the sublimation unit 10 moves in the opposite direction of gravity to guide the inside of the collecting body 22, and of the organic material collecting member 24 disposed inside the collecting body 22. Deposited on the surface. Organic matter deposited on the surface of the organic matter collecting member 24 has high purity.

Referring again to FIG. 2, in order to easily remove the purified organic matter deposited on the organic material collecting member 24 disposed inside the collecting body 22, the tube 22a of the collecting body 22 may include an organic material collecting member ( A door 22d may be included to remove the 24 from the fixing part 22c or to couple the organic material collecting member 24 to the fixing part 22c.

The operator or robot first opens the door 22d to load the organic matter collection member 24 into the collection body 22 or to unload the organic matter collection member 24 from the interior of the collection body 22. Afterwards, the organic matter collecting member 24 may be easily loaded into the collection body 22, or the organic matter collecting member 24 may be easily unloaded from the interior of the collecting body 22.

As such, when the detachable organic matter collecting member 24 is disposed inside the collecting body 22, the time required for collecting the organic matter from the collecting body 22 is greatly reduced, and the organic matter is collected from the collecting body 22. During the organic matter has an advantage that can be prevented from being contaminated by the foreign again.

Referring back to FIG. 1, the sublimation unit 10 and the collection unit 20 have a temperature control unit 30 in order to capture the sublimated material in the sublimation unit 10 and the organic material sublimed in the sublimation and collection unit 20. Is placed.

The temperature control unit 30 includes a first temperature control unit 32 disposed in the sublimation unit 10 and a second temperature control unit 34 disposed in the collection unit 20.

The first temperature regulating unit 32 includes a first induction coil 32a, a first alternating current source 32b, a first temperature controller 32c and a first thermocouple 32d.

The first induction coil 32a generates heat by a high frequency current and is disposed on the outer surface of the sublimation chamber 1. The first induction coil 32a is electrically connected to the first alternating current source 32b, the first alternating current source 32a is connected to the first temperature controller 32c, and the first temperature controller 32c is connected to the first alternating current 32c. The current source 32a is controlled to change the current into a high frequency current and provide the current to the first induction coil 32a.

The internal temperature of the sublimation chamber 1 is precisely controlled by the first temperature controller 32c. In order for the first temperature controller 32c to precisely control the temperature inside the sublimation chamber 1, the first thermocouple 32d is disposed inside the sublimation chamber 1. Based on the signal generated from the first thermocouple 32d, the first temperature controller 32c precisely controls the temperature inside the sublimation chamber 1.

The second temperature regulating unit 34 includes a second induction coil 34a, a second alternating current source 34b, a second temperature controller 34c and a second thermocouple 34d.

The second induction coil 34a generates heat by a high frequency current and is disposed on the outer surface of the pipe 22a of the collection unit 20. The second induction coil 34a is electrically connected with the second alternating current source 34b, the second alternating current source 34a is connected with the second temperature controller 34c, and the second temperature controller 34c is the second alternating current. The current source 34a is controlled to change the current into a high frequency current to provide to the second induction coil 34a.

The internal temperature of the collecting unit 20 is precisely controlled by the second temperature controller 34c. In order for the second temperature controller 34c to precisely control the temperature inside the collection unit 20, the second thermocouple 34d is disposed inside the collection unit 20. Based on the signal generated from the second thermocouple 34d, the second temperature controller 34c precisely controls the temperature inside the collection unit 20.

In the present embodiment, the first temperature control unit 32 controls the internal temperature of the sublimation unit 10 so that the sublimable material has a temperature suitable for sublimation in the sublimation unit 10, and the second temperature control unit ( 34 controls the temperature of the organic matter collecting member 24 such that the sublimed organic material has a temperature that is better deposited on the organic matter collecting member 24 of the collecting unit 20.

Sublimation purification method

4 is a flowchart showing a sublimation purification method according to an embodiment of the present invention.

1 and 4, in order to purify the organic substance from the mixture of impurities and sublimable organic substances, in step S10, the organic substance is sublimed inside the sublimation unit 10 using the temperature control unit 30. Suitable temperature conditions are formed below.

Subsequently, a mixture of sublimable organics is provided into the sublimation unit 10 using a conveyor belt or a container to heat the mixture of sublimable organics inside the sublimation unit 10.

Subsequently, in step S20, the sublimed organics from the heated mixture is led to the collection unit 20 disposed above the sublimation unit 10. At this time, the sublimed organic material is moved from the sublimation unit 10 in the direction opposite to gravity to guide the collection unit 20.

Subsequently, in step S30, the sublimed organic material is deposited on the surface of the rod-shaped organic material collecting member 24 detachably disposed in the collection unit 20 to deposit the purified organic material formed in a solid shape on the surface of the organic material collecting member. Form.

Thereafter, in step S40, the doors formed in the collection unit 20 are opened to separate the organic matter collection members 24 disposed inside the collection unit 20, one by one, from the collection unit 20, and then the separated organic matter. The collecting member 24 is collected into a storage container (not shown) prepared in advance.

Then, in step S50, the purified organic matter attached to the surface of the organic matter collecting member 24 collected in the storage container is removed from the surface of the organic matter collecting member 24 to collect the purified organic matter.

Thereafter, the organic matter collecting member 24 from which the purified organic matter is removed is cleaned and then mounted again inside the collection unit 20.

As described in detail above, after the sublimation unit is sublimed, the organic matter is mixed with the sublimation unit by sublimation in the sublimation unit to separate the organic matter from the mixture, and then the sublimated organic matter is detachably disposed on the collection unit connected to the sublimation unit. By depositing the organic matter collection member and then separating the organic matter collection member from the collection unit and then separating the purified organic matter from the organic matter collection member, it is possible to shorten the time required to separate and collect the organic matter from the collection unit, the organic matter from the collection unit It is effective to prevent the purified organic matter from being somewhat contaminated during the separation.

Although the detailed description of the present invention has been described with reference to the embodiments of the present invention, those skilled in the art or those skilled in the art will have the spirit and scope of the present invention as set forth in the claims below. It will be appreciated that various modifications and variations can be made in the present invention without departing from the scope of the art.

Claims (8)

A sublimation unit including a body for receiving a mixture of sublimable organic matter and impurities and a heater for heating the mixture; It is connected to the upper side of the sublimation unit in the direction opposite to gravity, the submerged organic material is derived from the mixture in the opposite direction of gravity and arranged in a separable rod shape on the inner wall of the collection body and the sublimed organic material is deposited A collecting unit including an organic material collecting member in which a purified organic material is formed; And A temperature regulating unit for adjusting the temperature of the sublimation unit and the collection unit, respectively, The sublimation unit and the collection unit is formed in a tubular shape opened in a direction parallel to the gravity direction, A fixing part including a fixing groove for fixing the organic material collecting member is formed on an inner wall of the collecting body, so that only the rod-shaped organic material collecting member is easily detachable from the inner wall. The organic material collecting member is disposed at an angle of 45 ° to 60 ° toward the sublimation direction with respect to the inner wall of the collecting body, And said collection body comprises a door for separating said organic material collection member from said collection body. delete delete delete The vertical sublimation refining apparatus according to claim 1, wherein the organic material collecting member is made of quartz. The sublimation refining apparatus according to claim 1, wherein the organic material collecting member is disposed at an acute angle toward the sublimation direction with respect to the inner wall of the collecting body. delete Heating a mixture of sublimable organic matter and impurities inside a tubular sublimation unit opened in a direction parallel to the direction of gravity; Directing the sublimed organics from the mixture into a collecting body disposed above the sublimation unit in a direction opposite to gravity; Attaching the sublimed organic material to a surface of an organic material collecting member disposed in a rod shape in a separable shape within the collection body to form a purified organic material; Separating only the rod-shaped organic material collecting member fixed by the fixing part including a fixing groove formed in the inner wall of the collection body from the collection body through a door formed in the collection body; And And separating and collecting the purified organic material from the organic material collecting member. And the organic material collecting member is disposed at an angle of 45 ° to 60 ° toward the sublimation direction with respect to the inner wall of the collection body.

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