WO2019142436A1 - ノズルユニット - Google Patents
ノズルユニット Download PDFInfo
- Publication number
- WO2019142436A1 WO2019142436A1 PCT/JP2018/040284 JP2018040284W WO2019142436A1 WO 2019142436 A1 WO2019142436 A1 WO 2019142436A1 JP 2018040284 W JP2018040284 W JP 2018040284W WO 2019142436 A1 WO2019142436 A1 WO 2019142436A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nozzle unit
- base
- liquid nitrogen
- tube
- tube portion
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
- B05B1/06—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in annular, tubular or hollow conical form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/63—Handgrips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/005—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour the liquid or other fluent material being a fluid close to a change of phase
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/003—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods using material which dissolves or changes phase after the treatment, e.g. ice, CO2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
- B24C5/04—Nozzles therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/004—Severing by means other than cutting; Apparatus therefor by means of a fluid jet
Definitions
- the present disclosure relates to a nozzle unit.
- Priority is claimed on Japanese Patent Application No. 2018-006624, filed January 18, 2018, the content of which is incorporated herein by reference.
- Patent Document 1 discloses a method of processing and cleaning an object by injecting liquid nitrogen instead of water.
- liquid nitrogen since cuttings or the like and dirt get mixed with water, it is necessary to consider the treatment of the water itself, and a large amount of secondary waste may be generated.
- liquid nitrogen that is vaporized after the injection, since the liquid nitrogen is separated and vaporized from cutting pieces and dirt, processing and cleaning can be performed without generating secondary waste.
- Patent Document 1 liquid nitrogen is injected from a straight tubular nozzle unit. For this reason, when the drilling of the concrete structure is advanced and the nozzle unit is advanced to the inside of the concrete structure, the nozzle unit can not be tilted and liquid nitrogen can only be jetted to the front of the nozzle unit. For this reason, it is difficult to expand the diameter of the hole, and only a hole corresponding to the diameter of the nozzle unit can be formed. Furthermore, if the inclusion is hit during the perforation, the inclusion can not be avoided and the nozzle unit can not be advanced. That is, the nozzle unit disclosed in Patent Document 1 does not have a shape suitable for processing a porous structure including inclusions such as reinforcing bars.
- the present disclosure has been made in view of the above-described problems, and in a nozzle unit that ejects a liquefied fluid that vaporizes after injection, processing of a porous structure including inclusions such as reinforcing bars and piping can be easily implemented.
- the purpose is to
- the nozzle unit is a nozzle unit that ejects a liquefied fluid that vaporizes after injection, and includes a base, and a tip having an injection opening and connected to the base in a bent or curved manner. It has a tubed part which has a channel which has the flow path which has the above-mentioned tip part and the above-mentioned base and which guides the above-mentioned liquefied fluid.
- the base may be formed in a straight tubular shape, and the tip may be configured to spray the liquefied fluid in a direction inclined with respect to the axial center of the base. .
- the injection opening of the tip may be opened to the side opposite to the base.
- the nozzle unit according to the above aspect may further include a heat insulating portion fixed to the tubular portion and surrounding the flow path from the radially outer side.
- the heat insulating portion may cover the tube portion from the outer side in the radial direction and may be divisible with respect to the extending direction of the tube portion.
- the nozzle unit according to the above aspect may further include a grip portion attached to the tube portion and protruding radially outward from the tube portion.
- a plurality of the holding portions may be provided apart from each other in the extending direction of the flow path with respect to the base.
- the plurality of grips may project in different directions around the pipe portion.
- the grip portion may be attached so as to be movable in the extending direction of the tubular portion.
- the tubular portion includes a tip that is bent or curvedly connected to the base, and the tip has a spray opening. Therefore, by rotating the base, the injection opening can be moved in the circumferential direction as seen from the base side, and the inner wall surface of the hole can be scraped without inclining the tube portion, and the hole can be easily expanded. It can be diameter.
- the tube body portion can be tilted by expanding the diameter of the hole, the inclusion body can be easily avoided by tilting the tube body portion even if the tip end portion of the tube body portion hits the inclusions. it can. Therefore, according to the present disclosure, it is possible to easily process a porous structure including inclusions such as reinforcing bars and pipes in a nozzle unit that jets a liquefied fluid that is vaporized after jetting.
- FIG. 1 is a schematic view showing a schematic configuration of a liquid nitrogen injection system 1 provided with a nozzle unit of the present embodiment.
- the liquid nitrogen injection system 1 includes a storage tank 2, a liquid nitrogen booster 3, a chiller 4, a flexible hose 5, and a nozzle unit 6.
- the storage tank 2 is a pressure tank for storing liquid nitrogen X, and is connected to the liquid nitrogen booster 3 and the chiller 4.
- the liquid nitrogen injection system 1 may be configured to receive supply of liquid nitrogen X from the outside without the storage tank 2.
- the liquid nitrogen booster 3 boosts the liquid nitrogen X supplied from the storage tank 2 to a constant injection pressure.
- the liquid nitrogen booster 3 includes a boost pump for pressure-feeding the liquid nitrogen X, a pre-pump for primary boosting the liquid nitrogen X sent from the boost pump, and an injection pressure 2 for the primary boosted liquid nitrogen X It has an intensifier pump etc. that boosts next.
- the liquid nitrogen booster 3 is connected to the chiller 4.
- the chiller 4 heats up the liquid nitrogen X heated by being pressurized by the liquid nitrogen booster 3 with the liquid nitrogen X supplied from the storage tank 2 so that the pressurized liquid nitrogen X reaches the injection temperature It is a heat exchanger that cools.
- One end of the flexible hose 5 is connected to the chiller 4.
- the liquid nitrogen booster 3 and the chiller 4 are unitized and disposed on one moving carriage.
- the liquid nitrogen injection system 1 can be easily moved by arranging the liquid nitrogen booster 3 and the chiller 4 unitized in the movable carriage and the storage tank 2 as needed.
- the liquid nitrogen booster 3 and the chiller 4 need not necessarily be unitized.
- the liquid nitrogen booster 3 and the chiller 4 may be disposed separately from each other, and the chiller 4 may be disposed near the nozzle unit 6.
- the flexible hose 5 is a flexible hose having one end connected to the chiller 4 and the other end connected to the nozzle unit 6.
- the flexible hose 5 guides the pressurized liquid nitrogen X from the chiller 4 to the nozzle unit 6.
- the flexible hose 5 has pressure resistance and heat insulation, and guides the liquid nitrogen X supplied from the chiller 4 to the nozzle unit 6 while minimizing the decrease in pressure and temperature.
- FIG. 2 is an enlarged perspective view showing a schematic configuration of the nozzle unit 6.
- the nozzle unit 6 includes a connection portion 6 a and a tube portion 6 b.
- the flexible hose 5 is connected to the connection portion 6a.
- a flow path (not shown) is formed inside the connection portion 6a.
- the tube portion 6b includes a cylindrical body portion 6c in which a flow passage R is formed, and an orifice portion 6d fixed to the tip end portion of the body portion 6c.
- the body portion 6c is, for example, a long pipe-like portion thermally insulated, and guides liquid nitrogen X from the connection portion 6a to the orifice portion 6d through a flow path R formed along the longitudinal direction.
- the body 6c is gripped by the worker when injecting liquid nitrogen X onto the object.
- the orifice 6d is fixed to the tip of the body 6c, and includes an injection opening 6d1 for injecting liquid nitrogen X forward.
- the injection opening 6d1 is connected to the flow passage R of the body 6c, and liquid nitrogen X flowing in the flow passage R is injected from the injection opening 6d1 toward the outside of the tubular portion 6b.
- the tube portion 6b has a straight tubular base portion 61 and a tip portion 62 including an orifice portion 6d.
- the base portion 61 is a portion on the root side (connecting portion 6 a side) of the trunk portion 6 c, and extends linearly along the linear axis L.
- the tip portion 62 includes a jet opening 6d1 by having the orifice portion 6d, and jets liquid nitrogen X. As shown in FIG. 2, in the tip portion 62, the injection opening 6 d 1 is opened toward the opposite side to the base 61, and the injection direction of liquid nitrogen X is inclined with respect to the axial center L of the base 61. Curved and connected to.
- the portion on the base 61 side of the tip 62 is curved with a constant radius of curvature, and the portion on the injection opening 6d1 of the tip 62 is straight, and the axis of the tip 62 on the injection opening 6d1 side
- the portion on the base 61 side of the tip end portion 62 and the portion on the injection opening 6d1 side are integrated such that L1 forms an angle ⁇ smaller than 90 ° (about 45 ° in this embodiment) with respect to the axial center L of the base 61 Connected.
- the tip portion 62 having the injection opening 6d1 is curved and connected to the base 61, and the tube portion 6b has a flow path R for guiding liquid nitrogen X to the base 61 and the tip portion 62.
- the tube portion 6 b has a base portion 61 shaped and shaped like a straight pipe, and a tip portion 62 for injecting liquid nitrogen X in a direction inclined with respect to the axial center L of the base portion 61.
- liquid nitrogen X is supplied from the storage tank 2 to the liquid nitrogen booster 3.
- the liquid nitrogen X is pressurized to the injection pressure by the liquid nitrogen booster 3 and then supplied to the chiller 4.
- the liquid nitrogen X supplied from the liquid nitrogen booster 3 to the chiller 4 is cooled by heat exchange with the liquid nitrogen X supplied from the storage tank 2 to the chiller 4 through another route.
- the liquid nitrogen X cooled by the chiller 4 is supplied to the nozzle unit 6 via the flexible hose 5.
- the liquid nitrogen X supplied to the nozzle unit 6 flows through the flow path R inside the tube portion 6 b and is jetted from the jet opening 6 d 1 to the outside.
- the tube portion 6b includes the tip portion 62 which is curved and connected to the base portion 61, and the tip portion 62 has the injection opening 6d1. Therefore, for example, by rotating the base 61 around the axis L, the injection opening 6d1 can be moved in the circumferential direction when viewed from the base 61 side, and the inner wall surface of the hole is not inclined. Can be scraped off and the hole can be easily expanded.
- the tube portion 6b can be tilted by expanding the diameter of the hole, the tip portion of the tube portion 6b can easily be tilted by tilting the tube portion 6b even if it strikes inclusions such as reinforcing bars and piping. Inclusions can be avoided.
- a porous structure for example, a concrete structure
- inclusions such as reinforcing bars and piping
- the tube portion 6 b is a straight portion shaped base portion 61 and a tip portion for injecting liquid nitrogen X in a direction inclined with respect to the axial center L of the base portion 61 And 62. Therefore, the direction of injection of liquid nitrogen X can be easily changed in the circumferential direction by rotating the straight tubular base 61 around the axis L, and the direction of injection of liquid nitrogen X can be performed with the minimum necessary operation. It is possible to make changes.
- the injection opening 6 d 1 of the tip end portion 62 is opened to the side opposite to the base portion 61.
- FIG. 3 is an enlarged perspective view showing a schematic configuration of the nozzle unit 6A of the present embodiment.
- the nozzle unit 6A of the present embodiment includes a gripping portion 6e in addition to the configuration of the nozzle unit 6 of the first embodiment.
- the grip portion 6e is attached to the tube portion 6b, and protrudes outward in the radial direction of the tube portion 6b from the tube portion 6b. As shown in FIG. 3, the gripping portion 6 e is attached to a base portion 61 (a linear portion) of the tube portion 6 b. A plurality of (two in the present embodiment) gripping portions 6 e are provided separately in the extending direction of the base 61 (the extending direction of the flow path R in the base 61).
- FIG. 4 is an enlarged perspective view showing a schematic configuration of the grip 6e.
- the grip 6 e includes a main body 6 e 1 and a lock 6 e 2.
- the main body 6e1 is a substantially C-shaped portion, and a through hole 6e3 concentric with each end is formed.
- the through hole 6e3 has a diameter slightly larger than the outer diameter of the base portion 61 of the tube portion 6b, and the base portion 61 is inserted.
- the screw hole by which the lock part 6e2 is screwed together is formed in each edge part of the main-body part 6e1.
- Each of these screw holes is connected to the through hole 6e3 from the outside in the radial direction of the through hole 6e3. As a result, the tip end of the lock portion 6e2 screwed into the screw hole can be brought into contact with the tube portion 6b inserted into the through hole 6e3.
- the lock portion 6e2 is a screw portion screwed into the above-mentioned screw hole provided in the main body portion 6e1, and is rotated along the axial center in a direction along the axial center (a base 61 of the tube portion 6b Move in the radial direction).
- the lock portion 6e2 is rotated in the tightening direction (direction moving inward in the radial direction of the base portion 61 of the tube portion 6b), whereby the tip end portion of the lock portion 6e2 abuts on the base portion 61 of the tube portion 6b.
- the force regulates the movement of the main body 6e1 relative to the base 61.
- the grip portion 6e is movable along the extension direction (longitudinal direction) of the base portion 61 of the tube portion 6b by loosening the lock portion 6e2. Moreover, the holding part 6e is fixed with respect to the tube part 6b by tightening the lock part 6e2.
- the gripping portion 6e disposed on the distal end side of the tubular portion 6b and the gripping portion 6e disposed on the connecting portion 6a side are directed in different directions with the tubular portion 6b as the center. It is preferable to fix so that it protrudes. As a result, for example, the grip portion 6e disposed on the distal end side of the tube portion 6b can be protruded to the left hand side of the worker, and the grip portion 6e disposed on the connection portion 6a side can be protruded to the right hand side.
- the nozzle unit 6A of the present embodiment is provided with a grip portion 6e attached to the tube portion 6b and protruding outward in the radial direction from the tube portion 6b. Therefore, the operator can operate the nozzle unit 6A by holding the grip portion 6e, and the handleability of the nozzle unit 6A can be improved.
- a plurality of gripping portions 6e are provided separately from the base portion 61 of the tube portion 6b in the extending direction of the flow path R. Therefore, the operator can stably hold the nozzle unit 6A with both hands, and the workability can be improved.
- the two grips 6e project in different directions with the tube 6b as the center. For this reason, for example, the operator can hold the nozzle unit 6A with both left and right hands from both sides, and the workability can be further improved.
- the grip portion 6e is attached so as to be movable in the extending direction of the tube portion 6b. Therefore, the position of the grip 6e can be adjusted according to the working position and the physical constitution of the worker, and the workability can be further improved.
- the main body 6f2 may be provided with a rotatable grip 6f instead of the grip 6e.
- the grip 6f shown in FIGS. 5 and 6 includes a support 6f1, a main body 6f2, and a lock 6f3.
- the support portion 6f1 has a through hole 6f4 having a diameter slightly larger than the outer diameter of the base portion 61 of the tubular portion 6b, and the base portion 61 is inserted through the through hole 6f4.
- the support 6f1 rotatably supports the main body 6f2, as shown in FIGS. Further, in the support portion 6f1, a screw hole into which the lock portion 6f3 is screwed is formed. These screw holes are connected to the through hole 6 f 4 from the radial outside of the through hole 6 f 4. Thus, the tip end of the lock portion 6f3 screwed into the screw hole can be brought into contact with the tube portion 6b inserted into the through hole 6f4.
- the main body 6f2 is a substantially triangular annular portion, and one of the apexes is rotatably connected to the support 6f1.
- the main body 6f2 is rotatable around a rotation axis that is orthogonal to the axis L (see FIG. 2) of the base 61 of the tube 6b.
- the lock portion 6f3 is a screw portion screwed into the above-mentioned screw hole provided in the support portion 6f1, and is rotated along the axial center in a direction along the axial center (a base 61 of the tube portion 6b Move in the radial direction).
- the lock portion 6f3 is rotated in the tightening direction (direction moving inward in the radial direction of the base portion 61 of the tube portion 6b), so that the tip end portion of the lock portion 6f3 abuts on the base portion 61 of the tube portion 6b.
- the force regulates the movement of the main body 6f2 relative to the base 61.
- the grip portion 6f is movable along the extension direction (longitudinal direction) of the base portion 61 of the tube portion 6b by loosening the lock portion 6f3. In addition, the grip 6f is fixed to the tube 6b by tightening the lock 6f3.
- the operator can adjust the rotational angle of the main body portion 6f2 relative to the support portion 6f1 arbitrarily, and the handling property is improved. Be improved.
- FIG. 7 it may change to the holding part 6e, and may be provided with the holding part 6g provided with the rod-shaped main-body part 6g1 and the lock part 6g2.
- a concentric through hole 6g3 is formed at one end of the main body 6g1.
- the through hole 6g3 has a diameter slightly larger than the outer diameter of the base portion 61 of the tube portion 6b, and the base portion 61 is inserted.
- a screw hole in which the lock portion 6g2 is screwed is formed at an end portion of the main body portion 6g1. These screw holes are connected to the through hole 6g3 from the radial outside of the through hole 6g3. As a result, the tip end of the lock portion 6g2 screwed into the screw hole can be brought into contact with the tube portion 6b inserted into the through hole 6g3.
- the lock portion 6g2 is a screw portion screwed into the above-mentioned screw hole provided in the main body portion 6g1, and is rotated along the axial center in a direction along the axial center (a base 61 of the tube portion 6b Move in the radial direction).
- the lock portion 6g2 is rotated in the tightening direction (the direction moving inward in the radial direction of the base portion 61 of the tube portion 6b), so that the tip of the lock portion 6g2 abuts on the base portion 61 of the tube portion 6b.
- the force regulates movement of the main body 6g1 relative to the base 61.
- the grip portion 6g is movable along the extending direction (longitudinal direction) of the base portion 61 of the tube portion 6b by loosening the lock portion 6g2. In addition, the grip 6g is fixed to the tube 6b by tightening the lock 6g2.
- FIG. 8 is an enlarged perspective view showing a schematic configuration of a nozzle unit 6B of the present embodiment.
- the nozzle unit 6B of the present embodiment includes a heat insulating portion 6h.
- the heat insulating portion 6 h is fixed to the tube portion 6 b so as to cover the periphery of the base portion 61 of the tube portion 6 b. That is, the nozzle unit 6B of the present embodiment includes the heat insulating portion 6h which is fixed to the tubular portion 6b and covers the flow path R from the outer side in the radial direction.
- the heat insulating portion 6h is for preventing cold heat of liquid nitrogen flowing in the flow path R of the tubular portion 6b from reaching the worker, and is made of, for example, a foamed plastic material.
- FIG. 9 is a partially enlarged perspective view showing a schematic configuration of a heat insulating portion 6h provided in a nozzle unit 6B of the present embodiment.
- the heat insulation part 6h is comprised by the several heat insulation block 6i arranged in multiple numbers continuously in the extending
- Each heat insulation block 6i has an annular shape having a central opening through which the tube portion 6b is inserted, and has a slit 6j extending from the outer peripheral surface to the central opening.
- the slit 6 j is a portion through which the tube portion 6 b passes when the heat insulation block 6 i is attached to and detached from the tube portion 6 b.
- the slits 6j can be expanded by elastically deforming the heat insulating block 6i, and can pass through the tube portion 6b in the expanded state.
- the range in which the heat insulating portion 6h covers the tube portion 6b can be changed. That is, according to the nozzle unit 6B of the present embodiment, the heat insulating portion 6h can be divided in the extending direction of the tube portion 6b. For this reason, for example, when drilling a concrete structure by the nozzle unit 6B, the shape of the heat insulating portion 6h can be changed so that the concrete structure and the heat insulating block 6i do not interfere with each other.
- etc. For processing of a concrete structure containing reinforcing bars and piping (it is a balance and perforation) was demonstrated.
- the present disclosure is not limited to this.
- liquid nitrogen is jetted from a nozzle unit 6 or the like to a part of the lining material to form a hole, and liquid nitrogen is jetted from this hole by the nozzle unit 6 or the like between the lining material and the base material.
- the injected liquid nitrogen is vaporized and expanded, and the lining material and the base material can be separated by this expansion force.
- liquid nitrogen as liquefied fluid
- present disclosure is not limited to this.
- liquid carbon dioxide or liquid helium may be used as the liquefied fluid.
- tip part 62 of the tube part 6b curved and connected with respect to the base 61 was demonstrated.
- the present disclosure is not limited to this, and the tip 62 may be bent and connected to the base 61 in the tube 6 b.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Nozzles (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
Description
本願は、2018年1月18日に日本に出願された特願2018-006624号に基づき優先権を主張し、その内容をここに援用する。
図1は、本実施形態のノズルユニットを備える液体窒素噴射システム1の概略構成を示す模式図である。図1に示すように、液体窒素噴射システム1は、貯蔵タンク2と、液体窒素昇圧装置3と、チラー4と、フレキシブルホース5と、ノズルユニット6とを備えている。
次に、本開示の第2実施形態について説明する。なお、本第2実施形態において、上記第1実施形態と同様の部分については、その説明を省略あるいは簡略化する。
次に、本開示の第3実施形態について説明する。なお、本第3実施形態において、上記第1実施形態と同様の部分については、その説明を省略あるいは簡略化する。
2……貯蔵タンク
3……液体窒素昇圧装置
4……チラー
5……フレキシブルホース
6……ノズルユニット
6a……接続部
6A……ノズルユニット
6b……管体部
6B……ノズルユニット
6c……胴部
6d……オリフィス部
6d1……噴射開口
6e……把持部
6e1……本体部
6e2……ロック部
6e3……貫通孔
6f……把持部
6f1……支持部
6f2……本体部
6f3……ロック部
6f4……貫通孔
6g……把持部
6g1……本体部
6g2……ロック部
6g3……貫通孔
6h……断熱部
6i……断熱ブロック
6j……スリット
61……基部
62……先端部
L……軸芯
L1……軸芯
R……流路
X……液体窒素(液化流体)
Claims (9)
- 噴射後に気化する液化流体を噴射するノズルユニットであって、
基部と、噴射開口を有すると共に前記基部に対して屈曲あるいは湾曲して接続される先端部とを有し、前記先端部及び前記基部を含む部位に前記液化流体を案内する流路が形成された管体部を備えるノズルユニット。 - 前記基部は、直管状に形成されており、
前記先端部は、前記基部の軸芯に対して傾斜した方向に前記液化流体を噴射するよう構成される、
請求項1記載のノズルユニット。 - 前記先端部の噴射開口は、前記基部と反対側に向けて開口されている請求項2記載のノズルユニット。
- 前記管体部に固定されると共に前記流路を径方向外側から囲う断熱部をさらに備える請求項1~3いずれか一項に記載のノズルユニット。
- 前記断熱部は、前記管体部を径方向外側から被覆しかつ前記管体部の延伸方向に対して分割可能とされている請求項4記載のノズルユニット。
- 前記管体部に取り付けられていると共に前記管体部から径方向外側に突出する把持部をさらに備える請求項1~5いずれか一項に記載のノズルユニット。
- 前記把持部は、前記基部に対して、前記流路の延伸方向に離間して複数設けられている請求項6記載のノズルユニット。
- 複数の前記把持部は、前記管体部を中心として異なる方向に向けて突出している請求項7記載のノズルユニット。
- 前記把持部は、前記管体部の延伸方向に対して移動可能に取り付けられている請求項6~8いずれか一項に記載のノズルユニット。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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JP2019565723A JP6838664B2 (ja) | 2018-01-18 | 2018-10-30 | ノズルユニット |
EP18901375.8A EP3741465A4 (en) | 2018-01-18 | 2018-10-30 | NOZZLE UNIT |
CN201880086899.XA CN111629837A (zh) | 2018-01-18 | 2018-10-30 | 喷嘴单元 |
KR1020207014353A KR102518405B1 (ko) | 2018-01-18 | 2018-10-30 | 노즐 유니트 |
CA3088716A CA3088716C (en) | 2018-01-18 | 2018-10-30 | Nozzle unit for injecting liquified fluid which evaporates after injection |
US16/930,023 US20200346226A1 (en) | 2018-01-18 | 2020-07-15 | Nozzle unit |
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JP2018006624 | 2018-01-18 | ||
JP2018-006624 | 2018-01-18 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/930,023 Continuation US20200346226A1 (en) | 2018-01-18 | 2020-07-15 | Nozzle unit |
Publications (1)
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WO2019142436A1 true WO2019142436A1 (ja) | 2019-07-25 |
Family
ID=67302068
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PCT/JP2018/040284 WO2019142436A1 (ja) | 2018-01-18 | 2018-10-30 | ノズルユニット |
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US (1) | US20200346226A1 (ja) |
EP (1) | EP3741465A4 (ja) |
JP (1) | JP6838664B2 (ja) |
KR (1) | KR102518405B1 (ja) |
CN (1) | CN111629837A (ja) |
CA (1) | CA3088716C (ja) |
TW (1) | TWI693971B (ja) |
WO (1) | WO2019142436A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021093978A1 (en) * | 2019-11-15 | 2021-05-20 | Silencer As | Support device for pressure hose, and system comprising pressure hose and support device |
Families Citing this family (1)
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KR102595304B1 (ko) * | 2021-08-24 | 2023-10-30 | 인하대학교 산학협력단 | 출구가 굽은 유체 진동기 및 에어포일 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5013576B1 (ja) * | 1969-09-09 | 1975-05-21 | ||
JPS5610956U (ja) * | 1979-06-30 | 1981-01-30 | ||
JPS5935000U (ja) * | 1983-06-24 | 1984-03-05 | 株式会社 スギノマシン | 高圧流体による船体切断装置 |
JPH03169976A (ja) * | 1989-11-29 | 1991-07-23 | R D Kosan Kk | 鉄筋コンクリート斫用偏角回転ウォータジェットガン |
US7310955B2 (en) | 2004-09-03 | 2007-12-25 | Nitrocision Llc | System and method for delivering cryogenic fluid |
JP2012533422A (ja) * | 2009-07-21 | 2012-12-27 | レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | 回転ジョイントなしで流体ジェットを分配するための装置 |
JP2018006624A (ja) | 2016-07-05 | 2018-01-11 | 東京エレクトロン株式会社 | 基板処理装置、基板処理方法および記憶媒体 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5610956A (en) * | 1979-07-09 | 1981-02-03 | Mitsubishi Electric Corp | Semiconductor integrated circuit |
US4982896A (en) * | 1988-10-17 | 1991-01-08 | Lee Crow | Spray wand |
JP3169976B2 (ja) | 1991-04-30 | 2001-05-28 | 株式会社日立製作所 | 配電線地絡保護システム |
JPH0513576A (ja) * | 1991-07-08 | 1993-01-22 | Nec Corp | 半導体集積回路の配線処理方法 |
US6045064A (en) * | 1998-06-26 | 2000-04-04 | Abraham; Michael A. | Under-vehicle spray device |
US6233949B1 (en) * | 1999-11-09 | 2001-05-22 | Kane K. Baker | Portable device for wearing by a user and removing deposits from a surface |
US6280072B1 (en) * | 2000-04-12 | 2001-08-28 | Carl Bennett Poston | Hand held cemetitious mixing tool |
EP1407183B2 (fr) * | 2001-07-17 | 2013-05-01 | Saint-Gobain Isover | Coquille de calorifugeage compressee |
DE202004019949U1 (de) * | 2004-12-07 | 2005-03-03 | Suttner Gmbh & Co. Kg | Schulterstütze für eine Sprühlanze einer Hochdruckreinigungsvorrichtung |
CN1934929B (zh) * | 2005-09-23 | 2011-06-29 | 苏州宝时得电动工具有限公司 | 手持式工具 |
JP5013576B2 (ja) | 2005-12-12 | 2012-08-29 | パーカーエンジニアリング株式会社 | 塗装ブース用空調装置 |
CN101489693B (zh) * | 2006-05-01 | 2010-09-22 | 特蕾西·波科尔曼 | 用于杆装式压力冲洗喷枪的可变反作用力装置 |
TW200849401A (en) * | 2007-03-29 | 2008-12-16 | Dainippon Screen Mfg | Thermal processing apparatus for substrate and nozzle component thereof |
US7993131B2 (en) * | 2007-08-28 | 2011-08-09 | Conocophillips Company | Burner nozzle |
FR2960873B1 (fr) * | 2010-06-03 | 2012-07-13 | Air Liquide | Procede de decapage ou d'ecroutage d'une surface en beton |
DE202010010660U1 (de) * | 2010-06-17 | 2011-09-23 | Itsdl Gmbh | Düse |
JP5610956B2 (ja) | 2010-09-27 | 2014-10-22 | 三菱重工業株式会社 | 排ガス浄化装置の制御方法および制御装置 |
JP2015020095A (ja) * | 2013-07-17 | 2015-02-02 | 株式会社Ihi | 液化ガス噴射装置及び液化ガス洗浄装置 |
CN203777553U (zh) * | 2013-12-30 | 2014-08-20 | 上虞市兴力消防器材有限公司 | 一种可拼接形成加长喷管的灭火器 |
KR101795903B1 (ko) * | 2016-01-22 | 2017-12-01 | 황일영 | 무화 장치 |
CN206463386U (zh) * | 2016-12-14 | 2017-09-05 | 吴均 | 一种新型灭火器 |
-
2018
- 2018-10-25 TW TW107137758A patent/TWI693971B/zh active
- 2018-10-30 JP JP2019565723A patent/JP6838664B2/ja active Active
- 2018-10-30 CN CN201880086899.XA patent/CN111629837A/zh active Pending
- 2018-10-30 EP EP18901375.8A patent/EP3741465A4/en active Pending
- 2018-10-30 CA CA3088716A patent/CA3088716C/en active Active
- 2018-10-30 WO PCT/JP2018/040284 patent/WO2019142436A1/ja unknown
- 2018-10-30 KR KR1020207014353A patent/KR102518405B1/ko active IP Right Grant
-
2020
- 2020-07-15 US US16/930,023 patent/US20200346226A1/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5013576B1 (ja) * | 1969-09-09 | 1975-05-21 | ||
JPS5610956U (ja) * | 1979-06-30 | 1981-01-30 | ||
JPS5935000U (ja) * | 1983-06-24 | 1984-03-05 | 株式会社 スギノマシン | 高圧流体による船体切断装置 |
JPH03169976A (ja) * | 1989-11-29 | 1991-07-23 | R D Kosan Kk | 鉄筋コンクリート斫用偏角回転ウォータジェットガン |
US7310955B2 (en) | 2004-09-03 | 2007-12-25 | Nitrocision Llc | System and method for delivering cryogenic fluid |
JP2012533422A (ja) * | 2009-07-21 | 2012-12-27 | レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | 回転ジョイントなしで流体ジェットを分配するための装置 |
JP2018006624A (ja) | 2016-07-05 | 2018-01-11 | 東京エレクトロン株式会社 | 基板処理装置、基板処理方法および記憶媒体 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3741465A4 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021093978A1 (en) * | 2019-11-15 | 2021-05-20 | Silencer As | Support device for pressure hose, and system comprising pressure hose and support device |
Also Published As
Publication number | Publication date |
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TW201932194A (zh) | 2019-08-16 |
US20200346226A1 (en) | 2020-11-05 |
KR102518405B1 (ko) | 2023-04-04 |
TWI693971B (zh) | 2020-05-21 |
KR20200072532A (ko) | 2020-06-22 |
CA3088716A1 (en) | 2019-07-25 |
EP3741465A1 (en) | 2020-11-25 |
CN111629837A (zh) | 2020-09-04 |
CA3088716C (en) | 2023-02-14 |
EP3741465A4 (en) | 2021-10-13 |
JPWO2019142436A1 (ja) | 2020-09-03 |
JP6838664B2 (ja) | 2021-03-03 |
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