KR20020009689A

KR20020009689A - Coolant reproduction apparatus for cleaning of heat exchanger

Info

Publication number: KR20020009689A
Application number: KR1020000043031A
Authority: KR
Inventors: 장부백
Original assignee: 황한규; 만도공조 주식회사
Priority date: 2000-07-26
Filing date: 2000-07-26
Publication date: 2002-02-02

Abstract

PURPOSE: A cleaning refrigerant recycling apparatus of a heat exchanger is provided to prevent environmental pollution by separating refrigerant from washing fluid in cleaning the heat exchanger, and to reduce waste of refrigerant by reusing refrigerant and recycling refrigerant promptly. CONSTITUTION: A washing fluid drain valve(101) and a heater(2) are installed in a recovery tub(1) recovering washing fluid after cleaning a heat exchanger. A cooler(3) is mounted in the recovery tub to cool refrigerant gas, and a blower(5) discharging air to an outdoor unit(4) is connected to a refrigerant reservoir(6). Remaining refrigerant, washing fluid and oil are supplied to the recovery tub in washing the heat exchanger, and refrigerant is evaporated with heating refrigerant and washing fluid mixture. The evaporated refrigerant is supplied to the cooler, and remaining washing fluid and oil are discharged through the discharge valve. The evaporated refrigerant is liquefied with the cooler and the blower, and air is discharged through the outdoor unit. Liquefied refrigerant is stored in the refrigerant reservoir, and the refrigerant separated from washing fluid and oil is reused. Environmental pollution and waste of refrigerant are prevented with recycling refrigerant by separating from washing fluid and oil.

Description

Refrigerant regeneration device for cleaning heat exchanger {COOLANT REPRODUCTION APPARATUS FOR CLEANING OF HEAT EXCHANGER}

본 발명은 차량이나 냉각기 등의 냉방 및 냉각을 위하여 구비되는 열교환기의 냉매회로에 냉매를 충전시키고 이를 순환시키도록 하며 상기 열교환기에서 사용된 냉매를 회수하고 새로운 냉매를 보충함에 있어서, 상기 냉매를 회수한 상기 열교환기의 냉매회로를 세정시킬 때 발생된 세정수와 세정된 냉매를 수거하여 물과 냉매 및 오일을 분리시키도록 하고 상기 세정시의 냉매를 재생하여 이를 재사용할 수 있도록 한 열교환기의 세정용 냉매 재생장치에 관한 것이다.The present invention charges and circulates a refrigerant in a refrigerant circuit of a heat exchanger provided for cooling and cooling a vehicle or a cooler, and recovers the refrigerant used in the heat exchanger and replenishes a new refrigerant. Collecting the washing water and the washed refrigerant generated when cleaning the refrigerant circuit of the recovered heat exchanger to separate the water and the refrigerant and oil, and to recycle and reuse the refrigerant at the time of the heat exchanger A cleaning refrigerant regeneration device.

일반적으로 차량의 실내 냉,난방을 하거나, 냉각기 등을 이용하여 냉각작용을 도모하기 위하여 열교환기를 구비하고 있으며, 상기 열교환기는 냉매를 압축시키는 압축기와 이 압축기로부터 압축된 냉매를 공급받아 응축작용을 하는 응축기 및 응축기에서 응축된 냉매를 증발시켜 열교환작용을 하는 증발기로 구성되어 있으며, 상기 열교환기의 각 압축기, 응축기, 증발기등은 냉매관을 통하여 연결되어 있고, 상기 각 부품들과 냉매관에는 냉매를 충전시켜 구성되어 있었다.In general, a heat exchanger is provided for cooling or heating a vehicle, or for cooling by using a cooler. The heat exchanger is configured to condense by receiving a compressor that compresses a refrigerant and a refrigerant supplied from the compressor. Condenser and an evaporator that performs heat exchange by evaporating the refrigerant condensed in the condenser, each compressor, condenser, evaporator of the heat exchanger is connected through a refrigerant pipe, each of the components and the refrigerant pipe is a refrigerant It was comprised by charging.

상기와 같이 구성된 열교환기는 상기 냉매가 순환되면서 냉각작용을 함에 있어서, 상기 냉매의 수명이나 각 부품들의 내부 세정을 위하여 상기 냉매를 보충하거나 새로운 냉매로 교체해야하는 데, 상기 냉매의 교체시에는 상기 열교환기의 냉매회로를 물등으로 세정하게 되며 상기 세정시에는 열교환기에서 회수한 냉매와 더불어 세정작용을 하는 세정액과 함께 열교환기내에 잔존하는 냉매가 함께 회수되도록 되어 있었다.In the heat exchanger configured as described above, the refrigerant is circulated to perform a cooling function, and thus, the refrigerant must be replenished or replaced with a new refrigerant for the life of the refrigerant or internal cleaning of the respective parts. The refrigerant circuit was cleaned with water, and at the time of the cleaning, the refrigerant remaining in the heat exchanger was recovered together with the cleaning liquid which performs the cleaning action together with the refrigerant recovered in the heat exchanger.

그러나, 상기와 같이 회수된 냉매에는 상기 세정작업에 따른 세정액과 함께 오일이 혼합되어 있었으며, 종래에는 상기 세정액과 오일이 혼합된 상태로 회수된 냉매를 재사용할 수 없었기 때문에 상기 회수된 냉매를 대기중에 그대로 폐기시키고 있었고, 냉매를 대기중에 배출시키면서 냉매중에 혼합되어 있던 세정액과 오일을 그대로 폐기처리하고 있었으며, 이에 따라 상기 회수된 냉매와 세정액 등의 폐기에따른 환경오염을 유발시키게 되고, 상기 냉매의 낭비를 초래하게 되는 점 등의 문제점이 있었다.However, the refrigerant recovered as described above was mixed with the cleaning liquid according to the cleaning operation, and in the past, the recovered refrigerant was stored in the air because the refrigerant recovered in the state in which the cleaning liquid and the oil were mixed cannot be reused. It was disposed of as it is, and while the refrigerant was discharged into the atmosphere, the washing liquid and oil mixed in the refrigerant were disposed of as it is, thereby causing environmental pollution due to the disposal of the recovered refrigerant and the washing liquid, etc. There was a problem such as that will result.

본 발명은 상기와 같은 종래의 제반 문제점을 감안하여 안출한 것으로, 본 발명은 차량이나 냉각기 등의 냉방 및 냉각을 위하여 구비되는 열교환기의 냉매회로에 냉매를 충전시키고 이를 순환시키도록 하며 상기 열교환기에서 사용된 냉매를 회수하고 새로운 냉매를 보충함에 있어서, 상기 냉매를 회수한 상기 열교환기의 냉매회로를 세정시킬 때 발생된 세정수와 세정된 냉매를 수거하여 물과 냉매 및 오일을 분리시키도록 하고 상기 세정시의 냉매를 재생하여 이를 재사용할 수 있도록 한 열교환기의 세정용 냉매 재생장치를 제공하려는 것인바, 이를 이하에서 첨부한 도면에 의거하여 상세히 설명하면 다음과 같다.The present invention has been made in view of the above-described conventional problems, the present invention is to charge and circulate the refrigerant in the refrigerant circuit of the heat exchanger provided for cooling and cooling of a vehicle or a cooler and the like In recovering the refrigerant used in the replenishment and replenishing the new refrigerant, the washing water and the washed refrigerant generated when the refrigerant circuit of the heat exchanger recovering the refrigerant are collected are collected to separate water, refrigerant and oil. The present invention is to provide a refrigerant regeneration device for cleaning a heat exchanger to regenerate and reuse the refrigerant at the time of cleaning, which will be described below in detail with reference to the accompanying drawings.

도 1은 본 발명 실시예의 구성을 나타내는 구성도1 is a block diagram showing a configuration of an embodiment of the present invention

<도면의주요부분에대한부호의설명>Explanation of symbols on the main parts of the drawing

1 : 회수조1: recovery tank

101 : 세정액 배출변101: cleaning liquid discharge valve

2 : 가열기2: burner

3 : 냉각기3: chiller

4 : 실외기4: outdoor unit

5 : 블로어5: blower

6 : 냉매저장조6: refrigerant storage tank

열교환기를 세정한 후 발생된 세정액을 회수하는 회수조(1)에 세정액 배출변(101)과 가열기(2)를 설치하고, 상기 회수조(1)에는 가열되어 기화된 냉매를 공급받아 냉각시키는 냉각기(3)를 설치하며, 상기 냉각기(3)에는 상기 냉각작용에 따른 공기를 실외기(4)로 배출하는 블로어(5)와 상기 냉각된 냉매를 저장하는 냉매저장조(6)를 각각 연결설치하여 구성된 것이다.The washing liquid discharge valve 101 and the heater 2 are installed in a recovery tank 1 for recovering the cleaning liquid generated after washing the heat exchanger, and the recovery tank 1 is cooled by receiving and cooling a heated and vaporized refrigerant. (3) is installed, and the cooler (3) is connected to each of the blower (5) for discharging the air according to the cooling action to the outdoor unit (4) and the refrigerant storage tank (6) for storing the cooled refrigerant will be.

이상과 같이 구성된 본 발명은 상기 열교환기를 세정한 후 세정에 따른 잔존 냉매와 세정액 및 오일이 발생되면 이들을 회수하여 회수조(1)로 공급하고, 상기 회수조(1)에 공급된 냉매가 혼합된 세정액을 가열기(2)로 가열시켜 상기 냉매를 기화시킨다.According to the present invention configured as described above, after the heat exchanger is cleaned, the remaining refrigerant, the cleaning liquid and the oil generated by the washing are recovered and supplied to the recovery tank 1, and the refrigerant supplied to the recovery tank 1 is mixed. The washing liquid is heated by the heater 2 to vaporize the refrigerant.

상기와 같이 회수조(1)에서 가열기(2)에 의한 가열에 따라 기화된 냉매는 상기 냉각기(3)로 공급하게 되고 상기 회수조(1)에 남아 있는 세정액과 오일은 상기 회수조(1)에 설치된 세정액 배출변(101)을 통해 배출시키며, 상기 냉각기(3)로 공급된 기화냉매는 상기 냉각기의 냉각작용과 블로어(5)의 작용에 따라 액냉매 상태로 액화되고 냉각작용을 위한 블로어(5)의 공기는 실외기(4)를 통해 실외측으로 배출된다.As described above, the refrigerant vaporized by heating by the heater 2 in the recovery tank 1 is supplied to the cooler 3, and the washing liquid and oil remaining in the recovery tank 1 are collected in the recovery tank 1. The vaporized refrigerant supplied to the cooler 3 is liquefied into a liquid refrigerant state according to the cooling action of the cooler and the action of the blower 5 and blower for cooling action. The air of 5) is discharged to the outdoor side through the outdoor unit 4.

상기와 같이 냉각기(3)에서 액화된 냉매는 냉매저장조(6)로 공급되어 저장되며, 상기 냉매저장조(6)에 저장되는 냉매는 상기 세정액과 오일이 제거된 순수한 냉매만이 저장되고 이 냉매를 재사용할 수 있게 되는 것이다.The coolant liquefied in the cooler 3 is supplied to and stored in the coolant storage tank 6, and the coolant stored in the coolant storage tank 6 stores only the pure coolant from which the cleaning liquid and the oil are removed. It can be reused.

이상과 같은 본 발명은 상기와 같이 열교환기를 세정하고 세정에 따라 발생된 잔존냉매와 세정액 및 오일에서 상기 냉매만을 분리시키도록 하며 상기 세정액과 분리된 냉매를 재사용할 수 있도록 하므로써 상기 냉매의 배출에 따른 환경오염을 방지할 수 있게 되고, 이와 더불어 상기 세정후의 회수된 냉매를 재사용할 수 있게 됨에 냉매의 낭비를 방지할 수 있게 된다.As described above, the present invention cleans the heat exchanger as described above, and separates only the refrigerant from the residual refrigerant, the cleaning liquid and the oil generated by the cleaning, and reuses the refrigerant separated from the cleaning liquid. The environmental pollution can be prevented, and the waste of the refrigerant can be prevented because the refrigerant recovered after the cleaning can be reused.

또, 상기 냉매를 재생처리하는 장치가 간단하면서도 상기 재생효율을 크게 향상시킬 수 있고 냉매의 재생처리가 원활하면서 신속하게 이루어지는 점 등의 특징을 지닌 것이다.In addition, the apparatus for regenerating the refrigerant is characterized in that the regeneration efficiency can be greatly improved while the regeneration process of the refrigerant is smoothly and quickly performed.

Claims

The washing liquid discharge valve 101 and the heater 2 are installed in a recovery tank 1 for recovering the cleaning liquid generated after washing the heat exchanger, and the recovery tank 1 is cooled by receiving and cooling a heated and vaporized refrigerant. (3) is installed, and the cooler (3) is configured by connecting and installing a blower (5) for discharging the air according to the cooling action to the outdoor unit (4) and a refrigerant storage tank (6) for storing the cooled refrigerant, respectively. Refrigerant regeneration device for cleaning the heat exchanger characterized in that.