JPH0610765U - Fluorocarbon recovery / reproduction device monitoring device - Google Patents

Abstract

(57) [Summary] [Purpose] When collecting recovered CFCs in a CFC container (recycler) and regenerating it with a regenerator, recovering and regenerating CFCs that can measure the water content immediately after sucking liquefied CFC from the cylinder. Obtain a monitoring device for the device. [Structure] In a regeneration flow path in which a liquefied chlorofluorocarbon is sucked and circulated by a liquid pump 2 from a chlorofluorocarbon container 1 containing recovered chlorofluorocarbon, a filter dryer 5 is arranged downstream of a moisture meter 1 A water content monitoring device for a CFC recovery / regeneration device that can immediately measure the water content of the raised CFC liquid.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a monitoring device for a chlorofluorocarbon recovery / regeneration device, and more specifically, it is a mobile chlorofluorocarbon recovery device for recovering the chlorofluorocarbon used as a refrigerant from various air conditioners and coolers such as refrigerators / refrigerators. The present invention relates to a monitoring device for a CFC recovery / regeneration device that monitors the water content, which is a measure of the degree of regeneration.

[0002]

[Prior art]

 Conventionally, there are some recovery / regeneration devices of used CFCs used as refrigerants for coolers that monitor the regeneration condition, especially the removal condition of water. It measures the amount of water in it. However, due to the construction of the equipment, a water content meter is generally arranged downstream of a regeneration treatment equipment such as a filter dryer.

That is, FIG. 2 is a schematic configuration diagram mainly showing the flow path system of the monitoring device of the conventional CFC recovery / regeneration device as described above. In the figure, a CFC container 1 is a cylinder for accommodating a CFC to be regenerated or to be regenerated, and a CFC to be regenerated is connected to an upper portion of the CFC container 1 from a recovery device 10 through a check valve 9. A predetermined amount is directly stored in the CFC container 1 by the transfer channel. Here, in the recovery device 10, for example, deteriorated fluorine having a large water content, which is recovered from various coolers of Ichii, is stored.

On the other hand, the CFC to be regenerated in the CFC container 1 is sucked by the operation of the liquid pump 2 from the regeneration flow path end taken out from the liquid phase CFC inside, and only the water in the CFC is absorbed by the filter dryer 5. Freon to be discharged and removed is regenerated. The water content of the fluorocarbon from which water has been removed as described above is indicated by a water content meter (which also serves as an indicator) 3 for measuring the water content. It is connected to the return point A and circulated by the CFC regeneration flow path reaching the upper part of the CFC container 1 and returned to the CFC container 1 for storage.

The regeneration cycle by the above-described regeneration process is repeated, and the regeneration process is stopped when the water content indicated by the water content meter 3 has dropped sufficiently below a predetermined value. As a result, the chlorofluorocarbon container 1 is almost completely regenerated and reusable chlorofluorocarbon is prepared, and the chlorofluorocarbon regeneration is completed. The safety valve 8 is a safety device that opens when the pressure of gas-phase CFCs in the upper part of the CFC container 1 reaches or exceeds a predetermined value to release CFC gas and reduce the pressure to a predetermined value.

The following is a summary of the above description. The conventional monitoring device of the CFC recovery / regeneration device circulates the regeneration line by the liquid pump 2 through the filter dryer 5 that sucks the liquefied CFC from the CFC container 1 and separates and removes the water, and the downstream side of the filter dryer 5. A method of returning to the Freon container 1 while monitoring the amount of water by the provided water content meter 3 has been adopted.

[0007]

[Problems to be solved by the device]

 In the conventional monitoring device for CFC recovery / regeneration devices as described above, the water content meter is located downstream of the filter dryer in the regeneration line, so the amount of water in the liquefied CFCs with the minimum amount of water is present. However, it is impossible to measure the pure water content including the CFC container (cylinder) at the time of shipping. Therefore, there was a problem that the amount of water in the Freon container of liquefied Freon could not be accurately evaluated in the state during the regeneration process and could not be clearly understood.

The present invention has been made in order to solve the above-mentioned problems, and at the time of starting the actual use of liquefied CFCs by optimizing the location of the filter dryer (regeneration processing device) in the regeneration flow path. It is an object of the present invention to provide a monitoring device for a fluorocarbon recovery / regeneration device having a configuration capable of grasping the amount of water in the above.

[0009]

A monitoring device for a CFC recovery / regeneration device according to the present invention is a CFC transfer passage that connects a CFC recovery device and a CFC container for storing the CFC recovery processing. It also has a CFC regeneration channel that draws out CFCs from the CFC container and circulates them through a return point located in the middle of the CFC transfer channel while removing water. The treatment device is such that a water content measuring device for monitoring the regeneration state is arranged at a predetermined position in the Freon regeneration channel.

[0010]

[Action]

 In the present invention, since the device configuration is as described above, a water content measuring device (water content meter) for monitoring is arranged in the CFC regeneration flow path in front of, ie, upstream of, the regeneration treatment device (filter dryer). Since it is configured to regenerate the CFCs, the amount of water in the CFCs can be measured immediately after the liquefied CFCs are sucked up from the CFC container (cylinder). Therefore, the water content in the line including the Freon container can be monitored even in the regenerated state, and the amount of water in the Freon when the cylinder is actually used after the regeneration is completed can be grasped.

[0011]

【Example】

 Hereinafter, the present invention will be described with reference to the drawings. FIG. 1 is a schematic structural explanatory view showing an embodiment of a monitoring device for a fluorocarbon recovery / regeneration device according to the present invention. In the figure, reference numerals 1 to 10 except 6,7 indicate the same or corresponding portions as the same reference numerals used in the description of the conventional example of FIG.

In FIG. 1, the CFC transfer passage is a one-way system that is connected to the upper part of the CFC container 1 from the recovery device 10 through the check valve 9, the filter dryer 5, and the check valve 6. In addition, the CFC regeneration channel is the middle of the CFC transfer channel from the channel end immersed in the liquid CFC in the CFC container 1 through the liquid pump 2, the moisture meter 3 and the check valve 4. It is a one-way circulation system that reaches the upper part of the Freon container 1 through the filter drier 5 and the check valve 6 via the return point A installed at. It should be noted that, for example, in the initial work, the filter dryer 5 is allowed to pass through in a normal state even in the work process of simply transferring the recovered fluorocarbon from the recovery device 10 to the fluorocarbon container 1 and filling it.

As described above, the feature of the configuration according to the present invention is that the filter dryer 5 for performing the regeneration process is disposed between the return point A and the check valve 6, and the water content is provided between the liquid pump 2 and the check valve 4. This is the installation of quantity meter 3. The reason why the pressure gauge 7 is installed near the safety valve 8 is to control the optimization of the liquid delivery amount by the liquid pump 2 while observing the CFC gas pressure at the vent portion with the pressure gauge 7.

In the above structure, first, a predetermined amount of the recovered CFC is stored in the CFC container (cylinder) 1 from the recovery device 10 via the CFC transfer system path. Next, the liquid pump 2 is driven to operate the filter dryer 5 while circulating the liquefied chlorofluorocarbon, whereby the regeneration treatment for removing the water content in the chlorofluorocarbon is performed.

In such a regeneration process, the water content meter 3 directly measures the water content in the liquefied chlorofluorocarbon that is sucked out of the chlorofluorocarbon container 1 and circulates in the fluorocarbon regeneration channel. The amount of water in the regeneration line including the inside of the container 1 can be monitored. Also, if the Freon container 1 is removed from the regenerator after the regeneration process is completed when the indicated value of the water content meter 3 is less than the specified value, it can be used as if it was new. The amount of water can be accurately grasped.

[0016]

[Effect of device]

 As described above, according to the present invention, in the Freon regeneration line, the regeneration treatment apparatus is provided on the downstream side of the moisture measurement apparatus so that the moisture content in the Freon can be measured immediately after sucking the liquefied Freon from the Freon container. Since it was installed, it became possible to monitor the water content in the regeneration line including the inside of the Freon container. In addition, the completion of the regeneration process has the effect that the amount of water in the CFC can be grasped accurately when the cylinder is actually used, as when the CFC container was removed from the recycling device.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram showing an embodiment of the present invention.

FIG. 2 is a schematic configuration diagram illustrating a conventional monitoring device for a fluorocarbon recovery / regeneration device.

[Explanation of symbols]

 1 CFC container 2 Liquid pump 3 Moisture meter 4, 6, 9 Check valve 5 Filter dryer 10 Recovery device

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tomio Nagato 2-16-46 Minami-Kamata, Ota-ku, Tokyo Within Tokimec Co., Ltd. (72) Inventor Kensho Itami 2- 16-46 Minami Kamata, Ota-ku, Tokyo Stock Company Tokimec

Claims (1)

[Scope of utility model registration request] 1. A CFC transfer flow path connecting between a recovery device for recovering and storing used CFCs and a CFC container for accommodating the CFCs taken out from the recovery device and to be regenerated, and the CFC transfer channel. Fluorocarbon in the container is drawn out by a pump, and has a chlorofluorocarbon regeneration flow path for removing water in the chlorofluorocarbon while circulating it through a feedback point located in the middle of the chlorofluorocarbon transfer flow path, and the feedback point and the fluorocarbon container. Monitoring of the CFC recovery / regeneration device, characterized in that the regeneration treatment device is disposed in the CFC transfer channel between the CFC recovery channel and the CFC recovery channel, and a water content measuring device for monitoring a regeneration condition is disposed in the CFC regeneration channel. apparatus.