JP2002177937A - Apparatus and process for treating pcb in pcb container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform withdrawal of a PCB(polychlorinated biphenyl) liquid from a PCB container the constituent members of which are immersed in the PCB liquid contained in an outer shell vessel, washing of the inside of which, can be carried out with minimum working equipment, minimum required working tools and minimum working man-hours and to prevent the PCB liquid from being scattered to the outside when a hole for withdrawing the PCB liquid is perforated in the container thereby improving safety of the workers. SOLUTION: In withdrawing a PCB liquid from a PCB container whose constituent members are immersed in the PCB liquid received in the outer shell vessel and washing the inside of the PCB container, a drilling washing nozzle device provided with a cylindrical drill and a cylindrical nozzle section placed coaxially with the cylindrical drill is used to drill the PCB container, withdraw the PCB liquid and wash the inside of the PCB container while sealing off the inside of the nozzle section from the outside.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
Extraction of a PCB liquid from a PCB container by immersing an internal component housed in an outer shell container in a PCB (polychlorinated biphenyl) liquid, and cleaning of the PCB container by PC
The present invention relates to a PCB processing apparatus and a processing method for a PCB container, in which B processing is performed, and in particular, a single device can continuously perform extraction of a PCB liquid and cleaning of the PCB container.

[Prior art]

[0002] In a PCB container, such as a condenser or a transformer, in which internal components such as a coil and an insulator are immersed in a PCB liquid contained in an outer shell container, the PCB container is transported, and the PCB container is transported. PCB oil from the container (PCB liquid)
When extracting the PCB container or cleaning the PCB container, and further disassembling the PCB container, it is necessary to completely remove harmful PCB oil without leaking to the outside and adhering to the components of the PCB container. Is desired.

[0003] In such a PCB container, for example, a condenser, the PCB oil contained in the inside is taken out to disassemble the constituent members and to wash the PCB container. Hole for PC, and use the hole to make PC inside the capacitor.
Insert the B extraction pipe, operate the liquid removal pump to extract the PCB oil in the condenser into the PCB oil tank, and then insert the cleaning liquid pipe into the condenser using the hole,
The cleaning pump is operated to circulate the cleaning liquid in the condenser to clean the inside of the condenser, and then the components of the condenser are disassembled.

[0004]

SUMMARY OF THE INVENTION PCB such as a capacitor
In the case of extracting the PCB oil contained in the PCB container, cleaning the inside of the PCB container, and disassembling the components of the PCB container to make the PCB container harmless, conventionally, as described above, the PCB is used. Drill a hole for extracting PCB oil in the outer shell container of the container, and use the hole to make PCB
Inserting a PCB extraction tube into the container and operating the liquid removal pump to remove the PCB oil, inserting a cleaning liquid tube into the PCB container using the hole and operating the cleaning pump into the PCB container. The cleaning operation of the inside of the PCB container by circulating the cleaning liquid and the disassembly of the components of the PCB container are performed by independent operations using separate devices and tools, respectively, and the PCB oil is removed from the PCB container to make it harmless. ing.

[0005] For this reason, in the prior art, P
As described above, the extraction of the CB oil, the cleaning of the inside of the PCB container, and the disassembly of the components of the PCB container are performed by independent operations using separate devices and tools as described above.
The PCB processing of the B container requires many man-hours, and also requires various types of working equipment and working tools.

[0006] In the prior art, a PCB
In extracting the PCB oil from the container, a hole was drilled in the outer shell container, and a PCB extraction tube was inserted using the hole. However, in a PCB container such as a condenser, the inside was slightly pressurized. Since the PCB oil is sealed in the state, the problem that the PCB oil inside scatters outside from the hole when the outer shell container is pierced easily occurs, which impairs the safety. have.

The present invention has been made in view of the problems of the prior art, and has been developed in a PCB container such as a capacitor constructed by immersing a component member in a PCB liquid contained in an outer container.
It is possible to remove the PCB liquid from the container and clean the inside of the PCB container with the minimum work equipment and work tools and with a small number of man-hours.
An object of the present invention is to provide a PCB processing apparatus and a processing method for a PCB container, which can prevent the PCB liquid from scattering to the outside at the time of piercing the hole for extracting the CB liquid and improve the safety.

[0008]

In order to solve the above-mentioned problems, the present invention is directed to an invention as set forth in claim 1, wherein an internal component member, such as a capacitor, housed in an outer shell container is made of a PCB.
A PCB processing apparatus for extracting a PCB solution from a PCB container immersed in a (polychlorinated biphenyl) solution and performing a PCB process such as cleaning of the PCB container, wherein the drill pierces a passage hole in the outer shell container. Drill driving means for rotating the drill, and supplying and discharging the PCB liquid or the inside of the outer shell container from the inside of the outer shell container so as to be provided coaxially with the drill and connectable to the passage hole. A cylindrical nozzle portion through which the washing liquid flows, and an end portion of a case portion accommodating internal members such as the drill, the drill driving means, and the nozzle portion, which are brought into contact with the outer surface of the outer shell container. A perforating / washing nozzle device having a sealing member such as a packing for sealing between the passage hole and the outside by pressing the perforating / washing nozzle device against the outer surface of the outer shell container. Suggest PCB processing apparatus PCB containers, characterized in that to allow a cleaning liquid supply and discharge of the serial extraction of PCB liquid from PCB container and the PCB vessel.

The invention according to claims 2 to 4 relates to a specific configuration of the perforation / washing nozzle device. The invention according to claim 2 is characterized in that the drill driving means of the perforation / washing nozzle device is an additional device. It is characterized by comprising an impeller in which rotating impellers rotationally driven by pressurized air are fixedly mounted, wherein the drill is connected to a shaft end of the impeller. Claim 3
The drilling and cleaning nozzle device according to claim 1, wherein the drill is formed in a cylindrical shape having a blade portion at a tip, and the tubular nozzle portion is inserted into an inner peripheral side of the drill. It is characterized by being formed in a heavy cylindrical shape. According to a fourth aspect of the present invention, in the first aspect, the perforating / washing nozzle device includes a spring mechanism that is biased between the case and the seal member so as to press the seal member against the outer surface of the outer shell container. It is characterized by becoming.

According to a fifth aspect of the present invention, in the first aspect, the perforating / washing nozzle device is mounted at two places of the PCB container, and the perforating / washing nozzle device is connected to one side of the PCB via a three-way switching valve. A discharge pipe for the PCB liquid and a supply pipe for the cleaning liquid are connected, and a discharge pipe for the cleaning liquid is connected to the perforation / cleaning nozzle device on the other side.

[0011] The invention according to claim 6 is the invention according to claims 1 to 5.
According to the invention of the method using the apparatus according to the invention of the present invention, extracting the PCB liquid from the PCB container by immersing the internal components such as a condenser housed in the outer shell container in the PCB liquid, In a PCB processing method for performing a PCB processing such as cleaning of a container, a perforating / cleaning nozzle device having a cylindrical drill and a circular nozzle provided coaxially with the drill is provided in the nozzle. And the outside is sealed and pressed against the outer surface of the outer shell container, a passage hole is pierced in the outer shell container, the nozzle portion communicates with the passage hole, and the PCB liquid discharge path is further connected to the piercing / washing nozzle device. And the supply / discharge path of the cleaning liquid are selectively connected via a switching means, and the PC is connected via the perforation / cleaning nozzle device.
It is characterized in that the PCB liquid is extracted from the B container and the inside of the PCB container is washed.

According to this invention, as in claim 2,
A cylindrical drill that is connected to drill driving means including an impeller having rotating blades that are driven to rotate by pressurized air and that drills a passage hole in an outer shell container of a PCB container, and is provided coaxially with the drill. With a circular nozzle part,
As in claim 3, a double-cylindrical perforating / washing nozzle device in which a cylindrical nozzle portion is inserted into the inner peripheral side of the drill is brought into contact with the outer surface of the outer shell container, and a case is provided. A sealing member such as a packing provided at an end of the portion for sealing between the passage hole and the nozzle portion and the outside, thereby forming a passage hole for extracting the PCB liquid and cleaning the inside of the PCB container; 6. A method of extracting a PCB liquid from a container and cleaning the inside of a PCB container by flowing a cleaning liquid by switching a flow path by a three-way switching valve according to claim 5, wherein one apparatus, that is, a perforation is performed without replacing an apparatus or a necessary tool. -Can be performed continuously using a cleaning nozzle device.

[0013] Thus, the extraction of the PCB liquid from the PCB container and the cleaning of the PCB container can be performed with less work man-hours than in the prior art and with a minimum of working equipment and working tools, that is, a perforation / cleaning nozzle. It can be performed only by the device.

Further, when the PCB container is pierced by the drill of the piercing / cleaning nozzle device, the inside of the PCB container is sealed because the nozzle portion side and the outside are sealed by a seal member provided outside the drill. Even if it is slightly pressurized, it is possible to prevent the PCB liquid in the PCB container from being scattered outside due to the perforation of the passage hole.

Therefore, according to the invention, the PCB processing time including the removal of the PCB liquid from the PCB container and the cleaning of the inside of the PCB container is shortened, the work efficiency is improved, and the PCB at the time of extracting the PCB liquid is improved. Spattering and leakage of the liquid to the outside can be prevented, and the safety of PCB treatment can be improved.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to an embodiment shown in the drawings. However, unless otherwise specified, the dimensions, materials, shapes, relative arrangements, and the like of the components described in this embodiment are not intended to limit the scope of the present invention thereto, but are merely illustrative examples. It's just

FIG. 1 is a sectional view of a perforating / washing nozzle device according to an embodiment of the present invention. FIG. 2 is a system diagram of a system for extracting and cleaning PCB oil from a PCB container using the perforating / washing nozzle device, FIG. 3 is a flowchart of a PCB treatment system for the PCB container, and FIG. 4 is a block diagram showing a configuration of a hydrothermal decomposition apparatus. FIG.

Referring to FIG. 3 showing the PCB processing system for a PCB container according to the present invention, first, a passage hole 110b for connecting to a perforating / washing nozzle device is formed in a side plate 110a which is an outer container of the condenser 110. (Step (1)). Next, the PCB oil is extracted from the inside of the condenser 110 and sent to the hydrothermal decomposition apparatus 40 described later (step (2)). Then the capacitor 1
The inside of the capacitor 10 and the internal components are cleaned with a cleaning liquid before decomposition to remove the PCB adhering to the inside of the capacitor 110 and the internal components (step (3)). Next, the capacitor 110 is manually disassembled to separate metals and resins from organic substances such as paper, wood, rubber, and the like. Metals and resins are sent to finish cleaning means, and organic substances are sent to pulverizing means (step ( 4)).

Next, organic matter such as paper and wood is pulverized into fine powder by a pulverizing means (step (5)), and then slurried by an ultrafine mill and sent to the hydrothermal decomposition apparatus 40 (step (6)). . On the other hand, in the finish cleaning means, the metal, resin and the like are washed to completely remove the PCB, and then recycled or discarded as a PCB removed body (step (7)).

Further, the above-mentioned slurried organic substance, PCB
The liquid and the washing waste liquid are subjected to the following operations in the hydrothermal decomposition apparatus 40.
Decomposes into water and exhaust gas (PCB removal body) by harmless
(Step (8)). That is, in FIG.
In the primary reactor 41 of the hydrothermal cracker 40, the PCB
Liquid, slurry of said organic matter containing PCB, said washing
A purified liquid or the like is introduced and heated in the primary reactor 41.
While reacting with alkali (NaOH), pure water, and oxygen
The molecular bond of the PCB is broken. The primary reactor 41
The gas-liquid mixture from which the molecular bonds have been separated is
After the temperature is lowered at 42 and the pressure is reduced at the pressure reducing valve 43,
Exhaust (CO ₂) And drainage (H₂O and N
aCl) and are rendered harmless and discharged to the outside.
It is.

Next, the perforating / washing nozzle device 100 shown in FIG. 1 performs the perforation of the passage hole (step (1)), the extraction of the PCB oil (step (2)) in the flowchart of FIG.
And equipment used for cleaning (steps (3) and (7)). In FIG. 1, reference numeral 110 denotes a condenser, which is obtained by immersing internal components housed in an outer shell container (side plate 110a or the like) in PCB oil, and keeping the inside thereof in a slightly pressurized state.

Reference numeral 100 denotes the perforating / washing nozzle device, which is configured as follows. 1 is a drill for drilling a passage hole 110b in a side plate 110a or the like of the condenser 110;
It is formed in a cylindrical shape having a blade portion 1a at the tip. Reference numeral 3 denotes an impeller constituting a drill driving means for driving the drill 1, and the shaft 1 is connected to the drill 1. Reference numeral 4 denotes rotating blades fixed to the impeller 3, and a plurality of rotating blades are fixed to the outer periphery of the impeller 3 at equal intervals in the circumferential direction over two stages.
5 is a case, the impeller 3 is a pair of bearings 1
The case 5 is rotatably supported by the case 1 and 11. 13 is an air inlet perforated in the case 5, 14 is an air outlet, and pressurized air is introduced into the air inlet,
The pressurized air is jetted toward the rotating blades 4 to drive the impeller 3 to rotate, and is discharged from the air outlet 14 to the outside.

Numeral 2 is a nozzle formed in a cylindrical shape, which is provided coaxially with the drill 1 on the inner peripheral side of the drill 1 and is formed in a double cylindrical shape together with the drill 1. The inside of the nozzle portion 2 is a flow path 2a through which the PCB oil or the cleaning liquid flows. The tip 2b of the nozzle 2 is slightly behind the blade 1a of the drill 1 (the
Side). A front cover 7 has a plurality of bolts 18 on the front side (condenser 110 side) of the case 5.
And is fixed together with the support plate 19 by tightening. Reference numeral 9 denotes a rear cover, which is located on the rear side of the case 5 (anti-condenser 110).
Side) is fixed by a plurality of bolts 17.

Numeral 8 denotes a cylindrical packing constituting a seal member, which is attached to the front end of the front cover 7 via a retainer 16 so as to cover the outer periphery of the drill 1. Reference numeral 6 denotes a spring provided inside the front cover 7, which is provided between the retainer 16 and the support plate 19 so as to press the packing 8 against the side plate 110 a of the capacitor 110 via the retainer 16. Being energized. Reference numeral 15 denotes a retainer fixed to the inner periphery of both ends of the case 5, and reference numeral 21 denotes a seal ring supported by the inner periphery of each retainer 15 to seal between the air chamber 013 in which the rotary blade 4 is stored and the outside. .

In the system for extracting and cleaning a PCB oil from a condenser (PCB container) using the perforating / cleaning nozzle device shown in FIG.
The perforating / washing nozzle device 100 is attached to the lower and upper plates 110c of the side plate 110a, respectively, and a passage hole 110b is formed by the drill 1 in a manner described later. The nozzle unit 2 of the perforating / washing nozzle device 100 attached to the lower side plate 110a is connected to the first port of the three-way switching valve 101 via the liquid supply / discharge pipe 106. A second port of the three-way switching valve 101 is connected to a PCB oil discharge pipe 1 having a PCB extraction pump 102.
08, and the third port is a cleaning liquid supply pump 10
Cleaning liquid tank 1 through cleaning liquid supply pipe 107 provided with
05. The upper plate 1 located on the upper side
The nozzle unit 2 of the perforation / cleaning nozzle device 100 attached to 10 c is connected to a cleaning liquid tank 105 via a cleaning liquid discharge pipe 109 provided with a cleaning liquid discharge pump 104.

As shown in FIG. 2, in the condenser PCB device having the above-described structure, the perforating / cleaning nozzle device 100 is connected to the side plate 110 of the condenser 110.
aAttached to the lower and upper plates 110c, respectively. At the time of mounting the perforating / washing nozzle device 100, as shown in FIG. 1, the packing 8 of the perforating / cleaning nozzle device 100 is applied to the surface of the side plate 110a and the upper plate 110c of the capacitor 110, and is pressed by pressing means (not shown). The entire perforation / cleaning nozzle device 100 is pressed against the condenser 110 side. Then, pressurized air is introduced from the air inlet 13 into the air chamber 013 to act on the rotating blades 4, and
To rotate the drill 1 to rotate the condenser 11
0 side plate 110a and passage plate 110b in upper plate 110c.
Perforate. At this time, the inside of the condenser 110 is slightly pressurized, but since the packing hole 8 provided outside the drill 1 seals the passage hole 110b side and the outside, the passage hole 110b is pierced. Even if this is done, the PCB oil in the condenser 110 will not scatter outside.

Next, the three-way switching valve 101 is switched to the connection between the first port on the nozzle part 2 side and the second port on the PCB oil discharge pipe 108 side, and the PCB discharge pump 10
Drive 2 Thereby, the PC in the capacitor 110
The B oil passes through the flow passage 2a of the nozzle unit 2 of the perforation / washing nozzle device 100 and passes through the PCB oil discharge pipe 108 to the PC.
It is discharged to a B tank (not shown). When cleaning the inside of the condenser 110, the three-way switching valve 1
01 is switched to the connection between the first port on the nozzle section 2 side and the third port on the cleaning liquid tank 105 side, and the cleaning liquid supply pump 103 and the cleaning liquid discharge pump 104 are operated. Thereby, the cleaning liquid supply pipe 107 from the cleaning liquid tank 105, the three-way switching valve 101, the perforation / cleaning nozzle apparatus 100 on the side plate 110a side, the inside of the condenser 110, the perforation / cleaning nozzle apparatus 100 on the upper plate 110c side, and the cleaning liquid discharge pipe 109 Then, a circulation path of the cleaning liquid reaching the cleaning liquid tank 105 is formed.

Therefore, the cleaning liquid sent from the cleaning liquid tank 105 to the cleaning liquid supply pipe 107 by the cleaning liquid supply pump 103 is caused to flow into the liquid supply / discharge pipe 106 by the three-way switching valve 101, and the side plate 110a of the perforation / cleaning nozzle apparatus 100 is provided. The perforating / washing nozzle device 100 enters the nozzle unit 2 of the condenser 110. Then, the cleaning liquid enters the condenser 110 from the nozzle portion 2 through the passage hole 110b formed in the side plate 110a of the condenser 110, and cleans the inside including the internal structure of the condenser 110. The cleaning liquid discharge pipe 104 flows out of the perforation / cleaning nozzle device 100 and is discharged by the cleaning liquid discharge pump 104.
09 is returned to the cleaning liquid tank 105.

According to this embodiment, the capacitor 110
A cylindrical drill 1 for drilling a passage hole 110b in an outer shell container such as a side plate 110a and an upper plate 110c;
A perforating / washing nozzle device 100 having a cylindrical nozzle portion 2 provided coaxially with the inside of the container is brought into contact with the outer surface of the outer shell container, and a case portion (front cover 7)
The gasket 8 provided at the end of the
b, by sealing between the nozzle portion 2 and the outside, to pierce the passage hole 110b for extracting the PCB oil and cleaning the inside of the condenser 110, extracting the PCB oil from the inside of the condenser 110, and flowing the cleaning liquid. Cleaning of the condenser 110 by the three-way switching valve 101
The switching of the flow path according to the above allows continuous operation using one device, that is, the perforating / washing nozzle device 100, without replacing the device or the necessary tool. As a result, the extraction of the PCB oil from the condenser 110 and the condenser 11
The cleaning within 0 can be performed with a minimum number of work steps and a minimum number of work equipments and tools, that is, the perforating / washing nozzle apparatus 100 as compared with the related art.

When drilling the condenser 110 with the drill 1 of the drilling / washing nozzle device 100,
Since the gasket 8 provided outside the drill 1 seals the nozzle portion 2 side and the outside, the PCB oil in the condenser 110, which is slightly pressurized, flows through the passage hole 11.
The perforation of 0b prevents scattering to the outside. Therefore, according to this embodiment, the PCB processing time including the removal of the PCB oil from the capacitor 110 and the cleaning of the inside of the capacitor 110 is shortened, the work efficiency is improved, and the outside of the PCB oil during the extraction of the PCB oil is removed. Spattering and leakage are prevented, and the safety of PCB processing is improved.

[0031]

As described above, according to the present invention, according to the present invention, a cylindrical drill which is connected to a drill driving means and drills a passage hole in an outer shell container of a PCB container, and a circle provided coaxially with the drill. By using a perforating / washing nozzle device provided with a tubular nozzle portion and sealing the passage hole and the nozzle portion with the outside with a sealing member provided at the end of the case portion, the PCB liquid is removed. Of the passage hole for taking out and cleaning the inside of the PCB container, PC from the PCB container
The extraction of the B liquid and the cleaning of the inside of the PCB container can be continuously performed by using one device, that is, the perforating / washing nozzle device, without replacing the devices and the necessary components. Extraction and cleaning of the PCB container can be performed with less work man-hours than in the prior art and with only a minimum of work equipment and work tools, ie, a perforation / cleaning nozzle device. Also,
Since the nozzle portion side and the outside are sealed by a seal member provided outside the drill, even if the inside of the PCB container is slightly pressurized, the PCB liquid in the PCB container is not filled when the passage hole is drilled. Spattering to the outside can be prevented.

Therefore, according to the present invention, the PCB processing time including the removal of the PCB liquid from the PCB container and the cleaning of the inside of the PCB container is shortened, the working efficiency is improved, and the PCB at the time of extracting the PCB liquid is improved. Spattering and leakage of the liquid to the outside can be prevented, and the safety of PCB processing can be improved.

[Brief description of the drawings]

FIG. 1 is a sectional view of a perforating / washing nozzle device according to an embodiment of the present invention.

FIG. 2 is a system diagram of a system for extracting and cleaning PCB oil from a PCB container using the perforation / cleaning nozzle device.

FIG. 3 is a flowchart of a PCB processing system for a PCB container.

FIG. 4 is a block diagram illustrating a configuration of a hydrothermal decomposition apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Drill 1a Blade part 2 Nozzle part 2a Flow path 2b Tip 3 Impeller 4 Rotating blade 5 Case 6 Spring 7 Front cover 8 Packing 9 Rear cover 13 Air inlet 13 Air chamber 14 Air outlet 16 Retainer 40 Hydrothermal decomposition apparatus 100 Perforation / washing Nozzle device 101 Three-way switching valve 102 PCB extraction pump 103 Cleaning liquid supply pump 104 Cleaning liquid discharge pump 105 Cleaning liquid tank 106 Liquid supply / discharge pipe 107 Cleaning liquid supply pipe 108 PCB oil discharge pipe 109 Cleaning liquid discharge pipe 110 Capacitor 110a Side plate 110b Passage hole 110c Upper plate

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takashi Tsutsuba 1-1, Akunouracho, Nagasaki City Inside Mitsubishi Heavy Industries, Ltd. Nagasaki Shipyard (72) Inventor Koji Ohura 1-1-1, Akunouracho, Nagasaki City Mitsubishi Heavy Industries, Ltd. Nagasaki In shipyard F-term (reference) 3B116 AA21 BB11 BB22 CD22 CD31 3B201 AA21 BB13 BB22 BB92 CB01 CD22 CD31 4D004 AA22 AB02 AB06 CA02 CA04 CA08 CA12 CA39 CA40 CB04 CB12 CB13 CC20 4G068 AA01 AA07 AD15 AF14

Claims (6)

[Claims] An internal component, such as a capacitor, housed inside an outer shell container is made of PCB (polychlorinated biphenyl).
In a PCB processing apparatus for extracting a PCB liquid from a PCB container immersed in a liquid and performing a PCB process such as cleaning of the PCB container, a drill for drilling a passage hole in the outer shell container, and a rotary drive of the drill Drill driving means, which is provided coaxially with the drill and is connectable to the passage hole, through which the PCB liquid from the inside of the outer shell container or the cleaning liquid supplied to and discharged from the outer shell container flows. A tubular nozzle portion, the drill, the drill driving means, the passage hole and the outside provided by being provided at an end of a case portion for housing an internal member such as a nozzle portion and contacting the outer surface of the outer shell container. A perforating / washing nozzle device having a seal member such as a packing for sealing between the PCs, and pressing the perforating / washing nozzle device against the outer surface of the outer shell container.
A PCB capable of extracting a PCB liquid from the B container and supplying / discharging the cleaning liquid into the PCB container.
PCB processing equipment for containers. 2. The drill driving means of the perforating / washing nozzle device comprises an impeller on which rotating blades driven by pressurized air are fixed, and the drill is connected to a shaft end of the impeller. The PCB processing apparatus for a PCB container according to claim 1, wherein: 3. The double-drilling / washing nozzle device according to claim 1, wherein the drill is formed in a cylindrical shape having a cutting edge at a tip, and the cylindrical nozzle portion is inserted into an inner peripheral side of the drill. The PC according to claim 1, wherein the PC is configured as follows.
PCB processing equipment for B container. 4. The perforating / washing nozzle device includes a spring mechanism between the case and the seal member, which is biased to press the seal member against the outer surface of the outer shell container. The PCB processing apparatus for a PCB container according to claim 1. 5. The method according to claim 5, wherein the perforating / washing nozzle device is connected to the PCB.
Attach to two places of the container, connect the discharge pipe of the PCB liquid and the supply pipe of the cleaning liquid to the perforation and cleaning nozzle device on one side via a three-way switching valve, and connect to the perforation and cleaning nozzle device on the other side. 2. The PCB processing apparatus for a PCB container according to claim 1, wherein the discharge pipe for the cleaning liquid is connected. 6. A PCB obtained by immersing an internal component, such as a capacitor, housed inside an outer shell container in a PCB liquid.
A PCB processing method for extracting a PCB liquid from a container and performing a PCB process such as cleaning of the PCB container, comprising a cylindrical drill, and a circular nozzle provided coaxially with the inside of the drill. Drilling and cleaning nozzle device,
The inside and the outside of the nozzle portion are sealed and pressed against the outer surface of the outer shell container, a passage hole is pierced in the outer shell container, the nozzle portion communicates with the passage hole, and the PCB liquid is passed through the piercing / washing nozzle device. Selectively connecting the discharge path of the cleaning liquid and the supply and discharge path of the cleaning liquid through switching means, and extracting the PCB liquid from the PCB container and cleaning the inside of the PCB container through the perforation and cleaning nozzle device. A PCB processing method for a PCB container, which is characterized by the following.