KR200270591Y1

KR200270591Y1 - Manufactoring system of polyethylene-powder

Info

Publication number: KR200270591Y1
Application number: KR2020020000032U
Authority: KR
Inventors: 김일도
Original assignee: 김일도
Priority date: 2002-01-02
Filing date: 2002-01-02
Publication date: 2002-04-12

Abstract

본 고안은 폴리에틸렌분말의 제조장치에 관한 것으로, 고온의 자이렌 용제에 의한 용해 및 분라작용에 의하여 폴리에틸렌분말을 미립화하고, 상기 폴리에틸렌액으로부터 진공상태에서 상분리에 의하여 자이렌 용제를 분리하여 폴리에틸렌분말을 얻을 수 있도록 한 것이다.The present invention relates to an apparatus for producing polyethylene powder, wherein the polyethylene powder is atomized by dissolving and separating by high temperature xylene solvent, and the polyethylene powder is separated from the polyethylene liquid by phase separation in vacuum state. To get it.

즉, 본 고안은 폴리에틸렌알갱이를 가열한 용제에 의하여 미립화시키는 미립화반응부(10)와, 상기 미립화반응부(10)에서 미립화된 액상폴리에틸렌으로부터 자이렌용제를 상분리하여 폴리에틸렌분말을 건조분리하는 분말건조분리부(20)와, 상기 분말건조분리부(20)에서 증발회수된 자이렌기체를 냉각시켜서 액화회수하는 용제회수부(30)로 이루어진 것이다.That is, the present invention is a powder drying to separate the polyethylene powder by the phase separation of the atomization reaction unit 10 to atomize the polyethylene granules by the heated solvent and the liquid polyethylene atomized in the atomization reaction unit 10 by phase separation The separation unit 20 and the solvent recovery unit 30 for liquefying and recovering the styrene gas evaporated and recovered in the powder dry separation unit 20.

따라서, 본 고안은 자이렌용제에 의하여 용해 및 분리작용에 의하여 폴리에틸렌분말을 미립화하고, 상기 폴리에틸렌액으로부터 진공상태에서 상분리에 의하여 자이렌 용제를 분리하여 폴리에틸렌분말을 얻을 수 있도록 하므로서, 폴리에틸렌분말의 미립화와 제조공정의 안정성을 확보하고 용제로 인한 환경오염을 방지할 수 있는 집진설비로 구성되어 있다.Therefore, the present invention is to atomize the polyethylene powder by dissolving and separating by a xylene solvent, and to obtain a polyethylene powder by separating the xylene solvent by phase separation in a vacuum state from the polyethylene liquid, thereby atomizing the polyethylene powder And dust collecting equipment that can secure the stability of the manufacturing process and prevent environmental pollution caused by solvents.

Description

Manufacturing apparatus of polyethylene powder {Manufactoring system of polyethylene-powder}

본 고안은 폴리에틸렌분말의 제조장치에 관한 것으로, 고온의 자이렌 용제에 의한 용해 및 분리작용에 의하여 폴리에틸렌분말을 미립화하고, 상기 폴리에틸렌액으로부터 진공상태에서 상분리에 의하여 자이렌 용제를 분리하여 폴리에틸렌분말을 얻을 수 있도록 하여 폴리에틸렌분말의 미립화와 제조공정의 안정성을 확보하고 용제로 인한 환경오염을 방지할 수 있도록 함을 목적으로 한 것이다.The present invention relates to an apparatus for producing polyethylene powder, wherein the polyethylene powder is atomized by dissolving and separating by a high temperature xylene solvent, and the polyethylene powder is separated from the polyethylene liquid by phase separation in a vacuum state. The purpose of the present invention is to ensure the atomization of polyethylene powder and to ensure the stability of the manufacturing process and to prevent environmental pollution due to solvents.

일반적으로, 프라스틱수지의 품질향상 및 페인팅 등과 같은 각종 재료로 사용되는 폴리에틸렌분말은 피복면의 미려성의 확보를 위하여 미립화하여 사용하고 있다.In general, polyethylene powders, which are used as various materials such as quality improvement and painting of plastic resins, are used after being atomized to secure the beauty of the coated surface.

이상과 같이 미립화된 폴리에틸렌분말의 통상적인 제조방법은 메탄올에 의한 추출후 메탄올을 제거하고 얻어진 폴리에틸렌분말을 수세건조하여 제조하거나 폴리에틸렌알갱이 넣고 칼날로 이루어진 분쇄기를 회전시켜 분쇄된 폴리에틸렌분말을 제조하였다.The conventional method for preparing the finely divided polyethylene powder is prepared by removing methanol after extraction with methanol, and washing the obtained polyethylene powder with water or drying the granulated polyethylene powder.

그러나, 상기한 바와 같이 메탄올 용제에 넣고 추출후 메탄올을 제거후 제조하는 제조방법은 얻어진 폴리에틸렌분말의 세수과정에 있어 환경폐수가 발생하며, 용제인 메탄올이 휘발성이 높아 제조과정에 폭발등과 같은 안전사고의 위험성이 있었다.However, as described above, the manufacturing method of manufacturing methanol after extraction in methanol solvent after extraction is generated, and environmental wastewater is generated in the washing process of the obtained polyethylene powder, and methanol, which is a solvent, has high volatility. There was a risk of an accident.

한편, 폴리에틸렌알갱이를 급속 냉각시킨 후 이를 갈아 제조하는 방법도 있으나 이 또한 폴리에틸렌분말의 미립도가 한정되고 생산제조원가 많이 소요되는 등의 문제점이 있었다.On the other hand, there is also a method of rapidly cooling the polyethylene grains and then grinding them, but this also has a problem such that the fineness of the polyethylene powder is limited and the production and production costs are high.

이에, 본 고안은 상술한 문제점을 해결하기 위하여 안출한 것으로, 안정성이 높은 자이렌 용제의 용해 및 분리작용에 의하여 폴리에틸렌알갱이를 미립화하고, 용제인 자이렌을 상분리 회수할 수 있도록 한 것이다.Accordingly, the present invention has been made in order to solve the above-described problems, it is intended to atomize the polyethylene grains by dissolving and separating the highly stable xylene solvent, and to recover the phase separation of the solvent, xylene.

도 1 은 본 고안에 따른 제조방법을 보인 공정도.1 is a process chart showing a manufacturing method according to the present invention.

도 2 는 본 고안에 따른 제조 장치의 일 실시예를 보인 주요 장치 구성도.Figure 2 is a block diagram of the main device showing an embodiment of the manufacturing apparatus according to the present invention.

도 3 은 본 고안에 따른 제조 장치의 다른 실시예를 보인 주요 장치 구성도.Figure 3 is a schematic view of the main device showing another embodiment of the manufacturing apparatus according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

10 : 미립화반응부10: atomization reaction part

11 : 반응조 12 : 순환펌프 13 : 가열기11 Reactor 12 Circulating Pump 13 Heater

20 : 분말건조분리부20 powder drying separator

21 : 입도분리기 22 : 송풍기21: particle size separator 22: blower

23 : 싸이클론 23': 진공교반베셀23 cyclone 23 ': vacuum stirring vessel

24 : 분말회수통24: powder recovery container

30 : 용제회수부30: Solvent Collection

31 : 용제응축기 32 : 용제회수통 33 : 진공펌프31: solvent condenser 32: solvent recovery container 33: vacuum pump

110 : 재료혼합과정110: material mixing process

120 : 미립화반응과정120: atomization process

130 : 건조분리과정130: dry separation process

141 : 포장과정 142 : 용제회수과정141: packaging process 142: solvent recovery process

이하, 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, described in detail by the accompanying drawings as follows.

본 고안은 폴리에틸렌분말을 제조함에 있어 이를 더욱 미립화하면 폐수와 같은 오염물질을 발생시키지 않으며 제조할 수 있도록 한 것으로, 반응조(11)에 폴리에틸렌알갱이와 자이렌 용제를 5 : 5 의 비율로 투입하여 혼합하는 재료혼합과정(110)과, 상기 반응조(11)의 자이렌을 순환가열시켜서 반응조의 온도를 150~180℃까지 가열하여 용해 및 분리작용에 의하여 폴리에틸렌알갱이가 미립화되게 하는 미립화반응과정(120)과, 상기 미립화반응과정(120)을 통해 얻어진 용액을 건조분리하여 회수하는 건조분리과장(130)과 상기 건조분리과정(130)에서 분리된 폴리에틸렌분말을 포장장치에 의하여 각각 포대 담아 포장하는 포장과정(141)과, 상기 미립화반응과정(120)을 통하여 미립화된 반응액을 진공상태에서 열에의한 상분리를 통해 진공펌프(33)를 통한 5~13℃ 온도로 유지되게 냉각수가 순환되는 용제응축기(31)로 이송되어 증기상태의 자이렌용제를 응축회수하는 용제회수과정(142)으로 이루어진 것이다.The present invention is to make a fine powder in the production of polyethylene powder without the generation of contaminants such as waste water, so that it can be produced, the mixture of polyethylene grains and xylene solvent in the ratio of 5: 5 to the reaction tank (11). Atomization reaction process (120) and the atomization reaction process (120) for circulating heating the xylene of the reaction tank 11 to heat the temperature of the reaction tank to 150 ~ 180 ℃ to atomize the polyethylene grains by dissolution and separation action And, a packaging process for packaging and packing the polyethylene powder separated in the dry separation process 130 and the polyethylene powder separated in the dry separation process 130, respectively, by drying and recovering the solution obtained through the atomization reaction process 120. 141 and the temperature of 5 ~ 13 ℃ through the vacuum pump 33 through the phase separation of the atomized reaction liquid through the atomization reaction process 120 in a vacuum state The cooling water is transferred to the solvent condenser 31 circulated so that the solvent recovery process 142 for condensing and recovering the vaporized xylene solvent.

한편, 상기한 바와 같은 과정으로 이루어진 폴리에틸렌분말 제조장치는On the other hand, the polyethylene powder production apparatus consisting of the above process

폴리에틸렌알갱이를 가열한 용제에 의하여 미립화시키는 미립화반응부(10)와, 상기 미립화반응부(10)에서 미립화된 액상폴리에틸렌으로부터 자이렌용제를 상분리하여 폴리에틸렌분말을 건조분리하는 분말건조분리부(20)와, 상기 분말건조분리부(20)에서 증발회수된 자이렌기체를 냉각시켜서 액화회수하는 용제회수부(30)로 이루어진 것이다.Atomization reaction unit (10) for atomizing polyethylene granules by a heated solvent, and powder-drying separation unit (20) for separating and separating polyethylene powders by phase-separating a styrene solvent from the liquid polyethylene atomized in the atomization reaction unit (10). And, it is made of a solvent recovery unit 30 for cooling the styrene gas evaporated and recovered in the powder drying separator 20 to liquefy the recovery.

여기서, 상기 미립화반응부(10)는 폴리에틸렌알갱이와 자이렌용제를 담아 폴리에틸렌알갱이를 미립화할 수 있도록 일정한 체적을 형성하며 용제순환관로를 구비하고 하부에 배출관을 구비한 반응조(11)와, 상기 반응조(11)의 용제순환관로와 연결되어 자이렌용제를 150~180℃로 가열하는 가열기(13)과, 상기 반응조(11)의 용제순환관로상에 구비되어 가열기(13)에 의하여 가열된 열매체유를 반응조로 순환공급하는 순환펌프(12)로 이루어진 것이다.Here, the atomization reaction unit 10 contains a polyethylene grain and a xylene solvent to form a constant volume so as to atomize the polyethylene grain, the reaction tank 11 having a solvent circulating pipe and a discharge pipe at the bottom, and the reaction tank Heater 13 connected to the solvent circulation pipe of (11) to heat the xylene solvent to 150 ~ 180 ℃, and heating medium oil provided on the solvent circulation pipe of the reactor 11 and heated by the heater (13) It consists of a circulation pump 12 for circulating supply to the reaction tank.

그리고, 상기 분말건조분리부(20)는 반응조(11)에서 미립화 반응된 반응액을 입도조절공급하는 입도분리기(21)와, 상기 입도분리기(21)에서 반응액이 입도분리될 수 있게 6~7Kgf/㎠ 압력으로 유지하며, 상기 입도분리기(21)에서 분리된 반응액체로부터 폴리에틸렌분말을 분리회수하는 진공교반베셀(23`)과, 상기 진공교반베셀(23`)에서 회수된 분말을 담아 저장할 수 있게한 분말회수통(24)으로 이루어진 것이다.In addition, the powder drying separator 20 has a particle size separator 21 for controlling the particle size of the atomized reaction solution in the reaction tank 11 and a particle size separator for supplying the reaction solution in the particle size separator 21. Maintained at 7Kgf / ㎠ pressure, containing the vacuum stirred vessel 23` for separating and recovering the polyethylene powder from the reaction liquid separated in the particle size separator 21 and the powder recovered in the vacuum stirred vessel 23` It is made of a powder recovery container (24).

한편, 상기 분말건조분리부(20)의 다른 실시예로는 반응조(11)에서 미립화 반응된 반응액을 송풍공기(불활성 질소)에 희석할 수 있도록 입도 조절분사하는 입도분리기(21)와 상기 입도분리기(21)에서 반응액이 무화될 수 있게 압축공기를 공급하는 송풍기(22)와, 상기 입도분리기(21)에서 무화된 반응기체로부터 관성이동에 의하여 폴리에틸렌분말을 분리회수하는 싸이클론(23)과, 상기 싸이클론(23)에서 회수된 분말을 담아 저장할 수 있게한 분말회수통(24)으로 구성하여 실시할 수 있는 것이다.On the other hand, another embodiment of the powder dry separator 20 is a particle size separator 21 and the particle size control spraying so as to dilute the atomized reaction solution in the reaction tank 11 in blowing air (inert nitrogen) A blower 22 for supplying compressed air to atomize the reaction liquid in the separator 21, and a cyclone 23 for separating and recovering the polyethylene powder by inertial movement from the atomized reactor in the particle size separator 21. And, it can be carried out by configuring the powder recovery container 24 to store and store the powder recovered from the cyclone (23).

또한, 상기 용제회수부(30)는 분말건조분리부(20)에서 기화된 자이렌 기체가 통과하는 관로를 형성하고 통과되는 자이렌기체의 냉각을 위한 냉각수로가 형성된 용제응축기(31)와, 상기 분말건조분리부(23)의 자이렌 기체가 용체응축기(31)로유입될 수 있게 관로상에 부압을 형성시키는 진공펌프(33)와 상기 용제응축기(31)에서 응축된 자이렌용제를 집수하는 용제회수통(32)으로 이루진 것이다.In addition, the solvent recovery unit 30 forms a conduit through which the xylene gas vaporized in the powder dry separation unit 20 passes, and a solvent condenser 31 having a cooling water path for cooling the xylene gas passing therethrough; Collecting the vacuum pump 33 to form a negative pressure on the conduit so that the xylene gas of the powder drying separator 23 can be introduced into the solution condenser 31 and the xylene solvent condensed in the solvent condenser 31 is collected. It is made of a solvent recovery tank (32).

이하, 본 고안의 작동과정에 대하여 설명하면 다음과 같다.Hereinafter, the operation of the present invention will be described.

상기한 바와 같이 미립화반응부(10)와 분말건조분리부(20) 및 용제회수주(30)로 구성된 본 고안은 재료혼합과정(110)을 통하여 반응조(11)에 폴리에틸렌알겡이와 자이렌 용제를 5 : 5 의 비율로 투입하고, 미립화반응과정(120)을 통하여 반응조(11)의 자이렌을 가열기(13)에 의하여 가열하여 상기 반응조(11)의 온도가 150~180℃까지 이르게 가열하여서 용해 및 분리작용에 의하여 폴리에틸렌알갱이가 미립화되게 한다.As described above, the present invention consisting of the atomization reaction unit 10, the powder dry separation unit 20, and the solvent recovery column 30 is a polyethylene aluminum and styrene solvent in the reaction tank 11 through a material mixing process 110. Is added at a ratio of 5: 5, and the xylene of the reaction tank 11 is heated by the heater 13 through the atomization reaction process 120 to heat the temperature of the reaction tank 11 to 150 to 180 ° C. By dissolution and separation, the polyethylene grains are atomized.

상기한 바와 같은 미립화반응과정(120)을 통하여 폴리에틸렌알갱이가 미립화되게 되면 건조분리과정(130)을 통하여 미립화된 반응조(11)의 반응액을 입도분리기(21)에 의하여 분리시켜 진공교반베셀(23)로 공급한다.When the polyethylene grains are atomized through the atomization reaction process 120 as described above, the reaction solution of the atomized reactor 11 is separated by the particle size separator 21 through the dry separation process 130 and the vacuum stirring vessel 23 is used. ).

이때, 공급된 반응액체는 미립화된 폴리에틸렌분말과 자이렌기체로 분리되게되는데, 분리된 폴리에틸렌분말은 진공교반베셀(23`)의 하부로 배출되어 분말회수통(24)으로 회수되고 증발된 자이렌용제는 진공교반베셀(23)의 중앙에 구비된 배출통로를 통하여 진공펌프(33)의 부압에 의해서 배출되게 되는 것이다.At this time, the supplied reaction liquid is separated into finely divided polyethylene powder and xylene gas, and the separated polyethylene powder is discharged to the lower part of the vacuum stirring vessel 23`, recovered to the powder recovery container 24, and evaporated styrene The solvent is to be discharged by the negative pressure of the vacuum pump 33 through the discharge passage provided in the center of the vacuum stirring vessel (23).

한편, 상기 분말건조분리부(20)의 주요구성이 싸이클론(23)으로 이루어진 경우에는 송풍기(22)의 압축공기에 의하여 입도분리기(21)에서 무화공급된 반응 기체는 미립화된 폴리에틸렌분말과 자이렌기체로 분리되게되는데, 분리된 폴리에틸렌분말은 관성이동에 의하여 싸이클론(23)의 하부로 배출되어 분말회수통(24)으로 회수되고 증발된 자이렌용제는 싸이클론(23)의 중앙에 구비된 배출통로를 통하여 배출되게 되는 것이다.On the other hand, when the main composition of the powder drying separator 20 is made of cyclone 23, the reaction gas atomized from the particle size separator 21 by the compressed air of the blower 22 is atomized polyethylene powder and gyro The separated polyethylene powder is discharged to the lower portion of the cyclone (23) by inertial movement, recovered to the powder recovery container (24), and the evaporated xylene solvent is provided at the center of the cyclone (23). It will be discharged through the discharge passage.

그리고, 상기 건조분리과정(130)에서 진공교반베셀(23) 하부를 통하여 분리배출된 폴리에틸렌분말은 포장설비를 통하여 포대상으로 포장되게 되며, 자이렌기체는 용제회수과정을 통하여 5~13℃ 온도로 유지되게 냉각수가 순환되는 용제응축기(31)에서 응축되어서 용제회수통(32)으로 회수되게 되는 것이다.In addition, the polyethylene powder separated and discharged through the vacuum stirring vessel 23 in the drying separation process 130 is packaged into a target object through a packaging facility, and the zylene gas is heated at a temperature of 5 to 13 ° C. through a solvent recovery process. It is condensed in the solvent condenser 31 in which the coolant is circulated so as to be maintained as it is to be recovered to the solvent recovery tank (32).

따라서, 본 고안은 자이렌용제에 의하여 용해 및 분리작용에 의하여 폴리에틸렌분말을 미립화하고, 상기 폴리에틸렌액으로부터 진공상태에서 상분리에 의하여 자이렌 용제를 분리하여 폴리에틸렌분말을 얻을 수 있도록 하므로서, 폴리에틸렌분말의 미립화와 제조공정의 안정성을 확보하고 저온 용제회수공정을 통한 용제로 부터의 환경오염을 방지할 수 있는 것이다.Therefore, the present invention is to atomize the polyethylene powder by dissolving and separating by a xylene solvent, and to obtain a polyethylene powder by separating the xylene solvent by phase separation in a vacuum state from the polyethylene liquid, thereby atomizing the polyethylene powder And to ensure the stability of the manufacturing process and to prevent environmental pollution from solvents through the low temperature solvent recovery process.

그리고, 미립화방법이 분쇄가공에 의한 것이 아니어서 초미립자의 분말을 균일하고 고르게 미립화시키는 것이다.In addition, the atomization method is not by pulverization, so that the ultrafine particles are uniformly and evenly atomized.

또한, 용제인 자이렌을 회수할 수 있어 회수에 의한 원가절감과 환경오염을 최소화 할 수 있는 매우 유용한 것이다.In addition, since it is possible to recover the solvent xylene, it is very useful to reduce the cost and environmental pollution by recovery.

Claims

Atomization reaction unit 10 for atomizing polyethylene granules by a heated solvent, and powder-drying separation unit for dry separation of polyethylene powder by phase separation of a styrene solvent from the liquid polyethylene atomized in the atomization reaction unit 10 in a vacuum state. (20), and the solvent recovery unit 30 for liquefying and recovering the styrene gas evaporated and recovered in the powder dry separation unit 20,

The atomization reaction unit 10 contains polyethylene granules and a xylene solvent to form a predetermined volume to atomize polyethylene granules, and includes a reaction tank 11 having a solvent circulation pipe and a discharge pipe at the bottom thereof, and the reaction tank 11. Heater 13, which is connected to the solvent circulation tube of the heating unit and heats the xylene solvent at 150 to 180 ° C, and the heating medium oil which is provided on the solvent circulation tube of the reactor 11 and heated by the heater 13, Apparatus for producing polyethylene powder, characterized in that consisting of a circulation pump (12) for circulating supply.

The method of claim 1;

In addition, the powder drying separator 20 has a particle size separator 21 for controlling the particle size of the atomized reaction solution in the reaction tank 11 and a particle size separator for supplying the reaction solution in the particle size separator 21. Maintained at 7Kgf / ㎠ pressure, containing a vacuum stirring vessel (2`3) for separating and recovering the polyethylene powder from the reaction liquid separated in the particle size separator 21, and the powder recovered in the vacuum stirring vessel (23`) Apparatus for producing a polyethylene powder, characterized in that consisting of a powder recovery container (24) capable of storing.

The method of claim 1;

In another embodiment of the powder drying separator 20, the particle size separator 21 for supplying the particle size control of the atomized reaction solution in the reaction tank 11 and the particle size separator 21 are compressed so that the reaction solution can be atomized. A blower 22 for supplying air, a cyclone 23 for separating and recovering the polyethylene powder by inertial movement from the atomized reactor in the particle size separator 21, and the powder recovered in the cyclone 23 Apparatus for producing polyethylene powder, characterized in that consisting of a powder recovery container (24) capable of storing.

The method of claim 1;

The solvent recovery unit 30 forms a conduit through which the xylene gas vaporized in the powder dry separation unit 20 passes, and a solvent condenser 31 having a cooling water passage for cooling the xylene gas passing therethrough, and the powder A solvent for collecting the xylene solvent condensed in the solvent condenser 31 and the vacuum pump 33 to form a negative pressure on the conduit so that the xylene gas of the dry separation unit 23 can flow into the solution condenser 31 Apparatus for producing polyethylene powder, characterized in that consisting of a collecting container (32).