JP2015178080A - Device and method for removing oil content - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an oil content removing device and an oil content removing method which effectively remove an oil content adhering to a surface of a device.SOLUTION: An oil content removal device is provided with: a particle generation device 11 which freezes a volatile organic solvent to generate particles 103; and a jet device 12 which jets the particles 103 of the volatile organic solvent, which are generated by the particle generation device 11, toward an oil content 102 of a device 101. The oil content removal device jets the particles 103 of the volatile organic solvent to the oil content 102 which adheres to the device 101 to remove the oil content 102 in a peeling manner. Further, the particles 103 of the volatile organic solvent adhere to the oil content 102 to melt and remove the oil content 102.

Description

  The present invention relates to an oil removal apparatus and method for removing oil attached to various devices.

  When removing oil adhering to various devices, generally, the surface of the device is directly wiped with a cloth soaked in a cleaning liquid or the like by an operator. However, the work of removing oil by an operator is not easy because it takes time. In addition, when the equipment to which oil is attached is placed in a hazardous area such as a radiation area or a high temperature area, the burden on the worker is large. Therefore, a method of removing oil from equipment by remote control can be considered. For example, the cleaning liquid is sprayed onto the surface of the device to remove the oil, or the granular material is sprayed onto the surface of the device by shot blasting to remove the oil.

  In addition, as a wet blasting apparatus, there exists a thing described in the following patent document 1, for example.

JP-A-60-006350

  In the conventional method of removing oil by spraying the cleaning liquid on the surface of the equipment, it takes a long time to remove the oil adhered firmly to the surface of the equipment, and a final wiping work is required. , Work efficiency is not good. In addition, in the method of removing oil by spraying the granular material onto the surface of the equipment by shot blasting, for example, when using an iron ball or ceramic as the granular material, it is necessary to collect the granular material. For example, when dry ice or water ice is used as an object, it becomes difficult to remove the water-insoluble oil.

  This invention solves the subject mentioned above, and it aims at providing the oil removal apparatus and method which can remove effectively the oil which adhered to the surface of an apparatus.

  In order to achieve the above object, an oil removing apparatus according to the present invention includes a particle generator that generates particles by freezing a volatile organic solvent, and jets particles of the volatile organic solvent generated by the particle generator. And an injection device.

  Accordingly, the particle generation device freezes the volatile organic solvent to generate particles, and the injection device injects the generated volatile organic solvent particles toward the oil adhesion portion. Then, the particles of the volatile organic solvent peel and remove the oil, and the particles of the volatile organic solvent adhere to the oil and dissolve and remove. Therefore, the oil component adhering to the surface of the device can be effectively removed.

  The oil removing device of the present invention is characterized in that a recovery device is provided for recovering the volatile organic solvent jetted from the jetting device and the removed oil.

  Therefore, since the recovery device recovers the volatile organic solvent injected from the injection device and the removed oil component, the oil component can be prevented from scattering to the surroundings.

  In the oil removal device of the present invention, the recovery device has a volatile component recovery device that recovers the volatilized volatile organic solvent and the oil that has been dissolved and volatilized by adhering particles of the volatile organic solvent. Yes.

  Therefore, since the volatile component recovery device recovers the oil component that has been dissolved and volatilized by adhering the particles of the volatile organic solvent and the volatile organic solvent that has been volatilized, the reattachment of the oil component can be suppressed.

  In the oil removing device of the present invention, the collecting device includes a solid component collecting device that collects the oil separated by the volatile organic solvent particles and the volatile organic solvent particles.

  Therefore, since the solid component recovery device recovers the oil and the volatile organic solvent particles separated by the volatile organic solvent particles, the reattachment of the oil components can be suppressed.

  The oil removing device of the present invention is characterized in that a solvent reprocessing device is provided for separating oil from the volatile organic solvent recovered by the recovery device and returning it to the particle generating device.

  Therefore, since the oil is separated from the volatile organic solvent recovered by the solvent reprocessing apparatus and returned to the particle generating apparatus, the volatile organic solvent can be reused.

  The oil removal method of the present invention includes a step of freezing a volatile organic solvent to produce particles and a step of injecting particles of the volatile organic solvent toward the oil adhesion portion. Is.

  Accordingly, the volatile organic solvent particles peel off and remove the oil, and the volatile organic solvent particles adhere to the oil and dissolve and remove, so that the oil adhering to the surface of the device can be effectively removed.

  According to the oil removing device and method of the present invention, a particle generating device that freezes a volatile organic solvent to generate particles, and an injection device that injects particles of the volatile organic solvent generated by the particle generating device are provided. Therefore, the oil component adhering to the surface of the device can be effectively removed.

FIG. 1 is a schematic diagram illustrating an oil removing device according to the first embodiment. FIG. 2 is a schematic diagram illustrating an oil removing device according to the second embodiment.

  Exemplary embodiments of an oil removing apparatus and method according to the present invention will be described below in detail with reference to the accompanying drawings. In addition, this invention is not limited by this embodiment, and when there are two or more embodiments, what comprises combining each embodiment is also included.

[First Embodiment]
FIG. 1 is a schematic diagram illustrating an oil removing device according to the first embodiment.

  In the first embodiment, as shown in FIG. 1, the oil removal device 10 includes a particle generation device 11 and an injection device 12, and remotely removes the oil (oil attachment portion) 102 attached to the surface of the device 101. Is.

  The particle generator 11 generates particles by freezing a volatile organic solvent. In the particle generation device 11, a storage tank 22 that stores a volatile organic solvent is connected by a supply passage 21, and a supply pump 23 is provided in the supply passage 21. The injection device 12 injects particles (particles) 103 of the volatile organic solvent generated by the particle generation device 11, and the particle generation device 11 and the injection device 12 are connected by a connection hose 24. The injection device 12 can be operated by remote operation, and can inject a large number of particles 103 from the nozzle portion 25. Moreover, although not shown in figure, the injection apparatus 12 is supported by the movement apparatus so that movement is possible, and can move to a predetermined position via a movement apparatus by remote control.

  The volatile organic solvent is a substance that volatilizes at normal temperature to become a gas and dissolves oil. Specifically, for example, methanol (boiling point: 64.7 ° C, melting point: -97.8 ° C). ), Ethanol (boiling point: 78 ° C., melting point: −117 ° C.), acetone (boiling point: 86.5 ° C., melting point: −94 ° C.), diethyl ether (boiling point: 35.7 ° C., melting point: −116 ° C.), chloride Methylene (boiling point: 40 ° C., melting point: −96.7 ° C.) or the like is applied, but is not limited thereto.

  The oil removing method of the first embodiment includes a step of freezing a volatile organic solvent to generate particles and a step of injecting particles of the volatile organic solvent toward the oil adhesion portion.

  More specifically, the supply pump 23 operates, and the volatile organic solvent stored in the storage tank 22 is supplied to the particle generating device 11 through the supply passage 21. The particle generation device 11 generates particles by freezing the supplied volatile organic solvent, and supplies the particles to the injection device 12. Then, the injection device 12 injects the volatile organic solvent particles 103 toward the oil component 102 adhering to the device 101.

  Then, the ejected volatile organic solvent particles 103 physically remove the oil component 102 from the device 101 and remove it. In this case, since the oil component 102 peeled from the device 101 has a high possibility that the volatile organic solvent is dissolved and attached, the oil component 102 is chemically dissolved and volatilized by the volatile organic solvent. Further, the particles 103 of the volatile organic solvent adhere to the oil component 102 and are removed by being chemically dissolved and volatilized. In addition, if the uneven | corrugated | grooved part is formed in the outer peripheral surface at the time of processing, the particle | grains 103 of a volatile organic solvent will become easy to adhere to the oil component 102 since the surface of the oil component 102 is also uneven | corrugated shape.

  As described above, in the oil removing device according to the first embodiment, the particle generator 11 that generates the particles 103 by freezing the volatile organic solvent, and the particles 103 of the volatile organic solvent that are generated by the particle generator 11. Is injected toward the oil component 102 of the device 101.

  Accordingly, the particle generator 11 freezes the volatile organic solvent to generate particles 103, and the injection device 12 injects the generated volatile organic solvent particles 103 toward the oil component 102. The particles 103 peel and remove the oil component 102, and the volatile organic solvent particles 103 adhere to the oil component 102 and dissolve and remove. Therefore, the oil component 102 adhering to the surface of the device 101 can be effectively removed. Further, since the oil removing device 10 is operated by remote control, it is possible to cope with the equipment 101 arranged in a dangerous area such as a radiation area or a high temperature area, thereby reducing the burden on the worker. be able to.

  The oil removing method of the first embodiment includes a step of freezing the volatile organic solvent to generate particles and a step of injecting the particles 103 of the volatile organic solvent toward the oil 102. Accordingly, the volatile organic solvent particles 103 peel off and remove the oil component 102, and the volatile organic solvent particles 103 adhere to the oil component 102 and dissolve and remove. Therefore, the oil component 102 adhering to the surface of the device 101 is effectively removed. Can be removed.

[Second Embodiment]
FIG. 2 is a schematic diagram illustrating an oil removing device according to the second embodiment. In addition, the same code | symbol is attached | subjected to the member which has the same function as embodiment mentioned above, and detailed description is abbreviate | omitted.

  In the second embodiment, as shown in FIG. 2, the oil removal device 30 includes a particle generation device 11 and an injection device 12, and removes oil 102 attached to the surface of the device 101 remotely.

  The particle generator 11 generates particles by freezing a volatile organic solvent, and includes a supply passage 21, a storage tank 22, and a supply pump 23. The injection device 12 can inject the particles (particles) 103 of the volatile organic solvent generated by the particle generation device 11 from the nozzle unit 25.

  The oil removing device 30 is provided with a collecting device 31 that collects the volatile organic solvent particles 103 ejected from the ejecting device 12 and the removed oil 102. The recovery device 31 includes a volatile component recovery device 32 and a solid component recovery device 33.

  The volatile component recovery device 32 recovers the oil component that has been dissolved and volatilized by adhering particles of the volatile organic solvent and the volatile organic solvent that has been volatilized. The volatile component recovery device 32 has an upper suction port 41 and a suction hose 42 disposed above the device 101, and the suction hose 42 is connected to a suction device 43. The solid component recovery device 33 recovers the oil separated by the volatile organic solvent particles 103 and the volatile organic solvent particles 103. The solid component recovery device 33 has a lower suction port 44 and a suction hose 45 disposed below the device 101, and the suction hose 45 is connected to the suction device 43.

  Although not shown, the suction device 43 has a suction pump and an on-off valve, and when the on-off valve is opened by operating the suction pump, the volatile oil and volatile organic solvent can be recovered. Solid oil and volatile organic solvent particles can be recovered.

  The oil removal device 30 is provided with a solvent reprocessing device 34 that separates the oil from the volatile organic solvent recovered by the recovery device 31 and returns it to the particle generation device 11. The solvent reprocessing device 34 is connected to the suction device 43 by the recovery passage 51 and separates the oil component 102 from the recovered volatile organic solvent, and the volatile organic solvent is returned to the particle generating device 11 by the reprocessing passage 52 and separated. The oil 102 thus discharged is discharged to the disposal container 54 through the disposal passage 53. Further, the volatile component recovery device 32 (suction device 43) can discharge the recovered oil and volatile organic solvent to the disposal container 56 through the disposal passage 55 as necessary.

  Here, the oil removal method of 2nd Embodiment is demonstrated concretely.

  First, the supply pump 23 is operated, and the volatile organic solvent stored in the storage tank 22 is supplied to the particle generating device 11 through the supply passage 21. The particle generation device 11 generates particles by freezing the supplied volatile organic solvent, and supplies the particles to the injection device 12. Then, the injection device 12 injects the volatile organic solvent particles 103 toward the oil component 102 adhering to the device 101.

  Then, the volatile organic solvent particles 103 physically remove the oil component 102 from the device 101 and remove it. At this time, the solid component recovery device 33 recovers the oil component 102 and the volatile organic solvent particles 103 separated by the volatile organic solvent particles 103. That is, when the suction device 43 is operated, a suction force is applied to the lower suction port 44 via the suction hose 45, and the oil 102 and the volatile organic solvent particles 103 peeled from the device 101 are sucked into the lower suction port. The air is sucked into the port 44 and collected by the suction device 43 through the suction hose 45.

  Further, the particles 103 of the volatile organic solvent adhere to the oil component 102 and are removed by being chemically dissolved and volatilized. At this time, the volatile component recovery device 32 recovers the oil 102 that has been dissolved and volatilized by the attachment of the particles 103 of the volatile organic solvent and the volatile organic solvent that has volatilized. That is, when the suction device 43 is operated, a suction force acts on the upper suction port 41 via the suction hose 42, and the oil 102 dissolved and volatilized from the device 101 and the volatile organic solvent that has volatilized are removed from the upper suction port 41. It is sucked into the suction port 41 and collected by the suction device 43 through the suction hose 42.

  The oil component 102 and the volatile organic solvent recovered by the suction device 43 are sent to the solvent reprocessing device 34 through the recovery passage 51, and the solvent reprocessing device 34 separates the oil component 102 from the volatile organic solvent, and the volatile organic solvent. While the solvent is returned to the particle generator 11, the oil 102 is discharged to the waste container 54 through the waste passage 53.

  As described above, in the oil removing device according to the second embodiment, the particle generator 11 that generates the particles 103 by freezing the volatile organic solvent, and the particles 103 of the volatile organic solvent that are generated by the particle generator 11. Are sprayed toward the oil component 102 of the device 101, and a recovery device 31 that collects the volatile organic solvent sprayed from the spray device 12 and the removed oil component 102 is provided.

  Therefore, since the particle generator 11 freezes the volatile organic solvent to generate particles, and the injection device 12 injects the generated volatile organic solvent particles 103 toward the oil 102, the volatile organic solvent particles 103 peels and removes the oil component 102, and particles 103 of the volatile organic solvent adhere to the oil component 102 and dissolve away. Therefore, the oil component 102 adhering to the surface of the device 101 can be effectively removed. Moreover, since the collection | recovery apparatus 31 collect | recovers the volatile organic solvent injected from the injection apparatus 12, and the removed oil component 102, scattering of the oil component to the circumference | surroundings can be prevented.

  In the oil removing device of the second embodiment, the collecting device 31 includes a volatile component collecting device 32 that collects the oil 102 that has been dissolved and volatilized by the attachment of the volatile organic solvent particles 103 and the volatile organic solvent that has volatilized. Have. Therefore, since the volatilized oil and the volatilized volatile organic solvent are recovered, the reattachment of the oil to the peripheral portion can be suppressed.

  In the oil removing device of the second embodiment, the collecting device 31 has a solid component collecting device 33 that collects the oil 102 and the volatile organic solvent particles 103 separated by the volatile organic solvent particles 103. Therefore, since the peeled oil component 102 and the volatile organic solvent particles 103 are collected, the reattachment of the oil component to the peripheral portion can be suppressed.

  In the oil removal device of the second embodiment, a solvent reprocessing device 34 is provided that separates the oil 102 from the volatile organic solvent recovered by the recovery device 31 and returns it to the particle generator 11. Therefore, since the oil component 102 is separated from the volatile organic solvent recovered by the solvent reprocessing apparatus 34 and returned to the particle generating apparatus 11, the volatile organic solvent can be reused, and the cost can be reduced. It can be.

  In the above-described embodiment, the particle generating device 11 and the injection device 12 are connected by the connecting hose 24, but may be configured integrally and movable.

DESCRIPTION OF SYMBOLS 10,30 Oil content removal apparatus 11 Particle production apparatus 12 Injection apparatus 31 Recovery apparatus 32 Volatile component collection apparatus 33 Solid component collection apparatus 34 Solvent reprocessing apparatus 101 Equipment 102 Oil content 103 Volatile organic solvent particle (particle)

Claims (6)

A particle generator for freezing volatile organic solvents to generate particles;
An injection device for injecting particles of the volatile organic solvent generated by the particle generation device;
An oil removing device characterized by comprising:   The oil removing device according to claim 1, further comprising a recovery device that recovers the volatile organic solvent injected from the injection device and the removed oil.   3. The oil component according to claim 2, wherein the recovery device includes a volatile component recovery device that recovers an oil component that has been dissolved and volatilized by adhering particles of a volatile organic solvent and a volatile organic solvent that has been volatilized. Removal device.   3. The oil removal device according to claim 2, wherein the recovery device has a solid component recovery device that recovers the oil separated by the volatile organic solvent particles and the particles of the volatile organic solvent.   The oil component according to any one of claims 2 to 4, further comprising a solvent reprocessing device that separates the oil component from the volatile organic solvent recovered by the recovery device and returns the oil component to the particle generation device. Removal device. Freezing the volatile organic solvent to produce particles,
A step of injecting volatile organic solvent particles toward the oil adhesion part;
An oil removing method characterized by comprising:

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