WO2002055225A1 - Procede et dispositif de nettoyage de conduites - Google Patents
Procede et dispositif de nettoyage de conduites Download PDFInfo
- Publication number
- WO2002055225A1 WO2002055225A1 PCT/JP2001/008682 JP0108682W WO02055225A1 WO 2002055225 A1 WO2002055225 A1 WO 2002055225A1 JP 0108682 W JP0108682 W JP 0108682W WO 02055225 A1 WO02055225 A1 WO 02055225A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pipe
- water
- carbon dioxide
- cleaning
- dioxide gas
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000005406 washing Methods 0.000 title claims abstract description 26
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 156
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 126
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 78
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 78
- 238000005187 foaming Methods 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 96
- 238000004140 cleaning Methods 0.000 claims description 89
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 239000000654 additive Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 10
- 230000000996 additive effect Effects 0.000 claims description 8
- 239000004088 foaming agent Substances 0.000 claims description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000000460 chlorine Substances 0.000 claims description 6
- 229910052801 chlorine Inorganic materials 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical group [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims description 2
- 239000003223 protective agent Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 4
- 239000004604 Blowing Agent Substances 0.000 description 13
- 235000020681 well water Nutrition 0.000 description 8
- 239000002349 well water Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000000630 rising effect Effects 0.000 description 6
- 230000005587 bubbling Effects 0.000 description 5
- 239000013049 sediment Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 235000020188 drinking water Nutrition 0.000 description 3
- 239000003651 drinking water Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000249 desinfective effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted theretoÂ
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0323—Arrangements specially designed for simultaneous and parallel cleaning of a plurality of conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted theretoÂ
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0325—Control mechanisms therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted theretoÂ
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/0433—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided exclusively with fluid jets as cleaning tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted theretoÂ
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/047—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted theretoÂ
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/049—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
- B08B9/0495—Nozzles propelled by fluid jets
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/06—Methods or apparatus for cleaning boreholes or wells using chemical means for preventing or limiting, e.g. eliminating, the deposition of paraffins or like substances
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/08—Methods or apparatus for cleaning boreholes or wells cleaning in situ of down-hole filters, screens, e.g. casing perforations, or gravel packs
Definitions
- the present invention relates to a method and an apparatus for cleaning a pipe, and in particular, to efficiently clean the inside of a pipe (such as a water supply pipe) in a building or a factory, and to easily investigate the state of water leakage in the pipe.
- the present invention relates to a method and an apparatus for cleaning a pipe.
- the present invention also relates to a well pipe cleaning method and apparatus capable of efficiently and quickly cleaning the inside of a well pipe for pumping groundwater.
- pipes such as water supply pipes
- Such pipes include steel pipes, galvanized steel pipes, lead pipes, copper pipes, asbestos cement pipes, and rigid polyvinyl chloride pipes. Since these pipes become unsanitary due to water scale, scale, â , etc. adhering to the inner wall surface over a long period of use, it has been conventionally used to wash the inside of the pipes by pouring a cleaning liquid from a permanent plug of a building or the like. Meanwhile, a method has been adopted in which high-pressure water compressed by a compressor is injected into a pipe, and water pressure removes scale and the like adhering to the pipe. Another method has been to insert a wire with a brush at the tip into the pipe, and remove water scale etc. while rubbing the inner wall of the pipe with the brush.
- a typical well pipe is composed of a cylindrical casing and a screen part having a plurality of small holes, and groundwater that permeates from the screen part and accumulates inside the well pipe is pumped as needed. Pumped at
- an object of the present invention is to solve the above-mentioned problems and to reliably and extremely hygienically in a short time without cleaning large-scale facilities or working processes when cleaning pipes in houses and buildings.
- An object of the present invention is to provide a method and an apparatus for cleaning a pipe, which can clean an inner wall surface of the pipe, and at the same time, check for water leaks from the pipe.
- Another object of the present invention is to provide a well pipe cleaning method and apparatus capable of easily and efficiently cleaning the inside of a well pipe in a short time with a reduced amount.
- a method for cleaning a pipe comprises the steps of: intermittently or continuously driving carbon dioxide gas into a pipe; and bubbling action of the carbon dioxide gas present in water in the pipe. It is characterized by washing.
- the dissolved carbon dioxide gas can be easily vaporized, and by the action of the vaporized carbon dioxide, water scale, scale, â , etc. adhering to the inner wall of the pipe can be reliably removed in a short time. To remove and clean the inside of the tube.
- a pipe cleaning device includes a gas cylinder filled with carbon dioxide gas, a disperser for intermittently or continuously discharging carbon dioxide gas sent from the gas cylinder, and a pipe to be cleaned with the disperser. And a connection hose for communicating with the connection hose. This eliminates the need for large-scale equipment such as compressors and large water tanks, and can reduce capital investment costs and work processes.
- a pressure valve is provided between the disperser and the connection hose to discharge gas and water in the pipe to the outside when the pressure in the pipe reaches a certain level or more. Therefore, it is possible to prevent the pipe from being ruptured due to the pressure of the injected carbon dioxide gas.
- a foaming agent introducing device for introducing a powdery foaming agent is connected between the dispersing machine and the surrounding hose.
- the blowing agent is injected into the pipe through the connection hose by the blowing agent injector, and the synergistic effect of the foaming power of the carbon dioxide gas sent from the gas cylinder and the foaming action of the powder blowing agent is obtained. It is possible to more efficiently remove scale, scale, â , and the like attached to the inner wall of the pipe. In addition, even when the amount of carbon dioxide in the gas cylinder is lacking, the inside of the pipe can be foam-cleaned by the foaming agent.
- a supply device for charging an additive is connected to the disperser.
- the additives to be supplied by such a supply device are converted into water, particularly hot water, nitrogen, ionized water, chlorine, ozone water, a protective agent and the like.
- oxygen and oxygen especially silver ion water, it promotes the bubbling of carbon dioxide gas to improve the detergency of the inside of the tube, and at the same time disinfects and sterilizes the tube. Can be obtained, and the occurrence of â etc. can be prevented beforehand.
- the pipe cleaning apparatus of the present invention can be suitably used by being mounted on a vehicle, and can be quickly and easily moved to a cleaning site such as a water supply pipe.
- a method for cleaning a well pipe according to the present invention is characterized in that compressed air is intermittently or continuously injected into the well pipe, and simultaneously, high-pressure water is sprayed into the well pipe. It is characterized by washing. As a result, the inner wall of the well pipe is washed by the air shock wave of the compressed air that has been injected, and the compressed air that is being injected one after another expands while rising in the well water to form a large bubble portion. By spraying the water, high-pressure water can directly remove and wash scales and the like adhered to the inner wall of the pipe.
- carbon dioxide gas is used instead of compressed air, and the inside of the well pipe is suitably cleaned by the action of carbon dioxide dissolved in water in the well pipe and high-pressure water. be able to.
- the injected carbon dioxide gas dissolves in the well water, and then evaporates and foams while rising inside the well pipe. Strongly exfoliates and removes scale, scale, â , etc. adhered to the surface in a short time.
- the well pipe cleaning apparatus of the present invention includes a disperser that discharges compressed air or carbon dioxide gas intermittently or continuously, and distributes the compressed air or carbon dioxide gas discharged from the disperser into the well pipe to be cleaned. And a high-pressure water cleaning device for injecting high-pressure water into a well pipe to be cleaned. As a result, it is possible to simultaneously wash scales adhering to the inside of the well pipe and discharge the separated scales and sediments in a single operation, thereby improving workability and reducing costs.
- the high-pressure water cleaning device produces high-pressure water.
- a high-pressure water production machine a high-pressure hose for flowing high-pressure water discharged from the high-pressure water production machine into a well tube to be cleaned, and an attached direction to the tip of the high-pressure hose, which can adjust a jetting direction of the high-pressure water. It is preferable to provide a cleaning nozzle. Also, by connecting a carbon dioxide gas supply device for feeding carbon dioxide gas to the disperser, carbon dioxide gas can be injected into the well tube.
- the well water cleaning apparatus of the present invention by providing a nozzle holder for holding the position of the cleaning nozzle at a substantially central portion in the well pipe, the discharge of compressed air or carbon dioxide gas and the injection of high-pressure water are kept constant. And the inside of the well tube can be washed uniformly.
- FIG. 1 is an overall schematic diagram showing an example of a tube cleaning device of the present invention.
- FIG. 2 is a cross-sectional view of a tube showing a state where the tube is being cleaned by the method and apparatus for cleaning a tube of the present invention.
- FIG. 3 is a schematic diagram showing a state in which a pipe in an apartment is cleaned using the pipe cleaning apparatus of the present invention.
- FIG. 4 is a schematic diagram showing a state where a pipe in a large building such as a factory is cleaned using the pipe cleaning apparatus of the present invention.
- FIG. 5 is a schematic diagram showing a state in which the pipe cleaning device of the present invention is mounted on a vehicle.
- FIG. 6 is a perspective view showing a distal end portion of a well tube cleaning apparatus according to a preferred embodiment of the present invention, which is inserted into the well tube.
- FIG. 7 is a cross-sectional view showing a state of use of the cleaning device shown in FIG.
- FIG. 8 is an overall schematic diagram showing a state in which a well tube is cleaned using the cleaning device shown in FIG.
- FIG. 9 is a schematic view showing an example of a conventional well tube cleaning method.
- FIG. 10 is a schematic view showing another example of a conventional method for cleaning a well pipe.
- FIG. 1 is an overall schematic diagram showing an example of a pipe cleaning apparatus of the present invention.
- the illustrated pipe washing apparatus 1 includes a gas cylinder 10 filled with compressed carbon dioxide gas a, and a disperser 20 capable of continuously or intermittently discharging carbon dioxide gas sent from the gas cylinder 10. And a connecting and surrounding hose 30 for allowing the dispersing machine 20 to communicate with the pipe 2 to be connected.
- a plurality of gas cylinders 10 are connected by a gas pipe 11 and connected to a gas hose 13 via an on-off valve 12. The other end of the gas hose 13 is connected to the disperser 20. The carbon dioxide gas a in the gas cylinder 10 is sent to the disperser 20 â through the gas hose 13 .
- the disperser 20 discharges the carbon dioxide a sent from the gas cylinder 10 into the pipe 2 intermittently or continuously at appropriate intervals, and controls the discharge time and intermittent time of the carbon dioxide a.
- a timer 21 for adjusting, an air flow meter 22 for adjusting the amount of gas to be discharged, a wind pressure gauge 23 for adjusting the gas pressure of the carbon dioxide gas a, and a switch 24 for starting or stopping those instruments. Have.
- the disperser 20 and the connecting hose 30 are connected by a connecting pipe 25, and the handle 27 of the opening / closing valve 26 provided on the connecting pipe 25 is operated as appropriate.
- the carbon dioxide gas a discharged from the disperser 20 can be sent into the pipe 2 via the surrounding hose 30.
- the connecting hose 30, for example, can be wound around a hose reel 31 as shown in the figure, and the opposite end is connected to the pipe 2 through a connecting tool 32. . '
- the carbon dioxide gas a and the water in the pipe 2 are supplied. It is preferable to provide a pressure valve 29 for discharging from the discharge port 28 to the outside. By providing the pressure valve 29, the pipe 2 can be prevented from being ruptured by the pressure of the carbon dioxide gas a.
- the cleaning device 1 preferably includes a blowing agent charging device 40 for charging a powdery blowing agent
- the blowing device charging device 40 includes a dispersing machine 20 and a connection hose 3. Between 0 and 0, it can be connected to the connecting pipe 25 in the example shown.
- Blowing agent injector 40 is mainly composed of a container 41 for accommodating a powdered foaming agent, and an air-compressor 42 for feeding the foam â in the container 41 into the connecting pipe 25 through the input pipe 43. It is composed of A pressure valve 4-4 for intermittently feeding the blowing agent sent from the blowing agent injector 40 into the connecting tube 25 is provided at a connecting portion between the input pipe 43 and the connecting pipe 25. is set up.
- the cleaning device 1 preferably includes a supply device 50 for introducing an additive such as a liquid, a gas, or a powder into the disperser 20.
- the supply device 50 communicates with the disperser 20 by a supply pipe 51, and feeds the additive contained in the supply device 50 into the disperser 20 by an injector (not shown).
- the additive fed from the supply device 50 is mixed with the carbon dioxide gas a in the disperser 20 and discharged into the pipe 2.
- Such additives include, for example, water, especially hot water, nitrogen, ionized water, especially silver ionized water, chlorine, ozone water, fire protection and oxygen.
- water especially hot water, nitrogen, ionized water, especially silver ionized water, chlorine, ozone water, fire protection and oxygen.
- the water molecules flowing in the tube 2 are reduced in size, and the detergency of carbon dioxide gas a can be improved. It is particularly preferable because it can also have a sterilizing and disinfecting effect and has no toxicity.
- the purifying and cleaning power in the pipe 2 can be increased due to the oxidation, bleaching, and disinfecting properties of chlorine, and when ozone water is used, carbon dioxide gas a Foam Depending on the power and the properties of the ozone water, it is possible to simultaneously clean, sterilize and disinfect the tube 2 â .
- the use of water barrier can reduce the generation of water on the inner wall of the pipe 2, and the use of oxygen can increase the bubbling power of the carbon dioxide gas a to increase the purity of the pipe 2. Can be promoted.
- the cleaning device 1 of the present invention can be mounted on the bed of the vehicle 5 and quickly and easily moved to a cleaning site such as a water supply pipe.
- a cleaning site such as a water supply pipe.
- FIG. 3 shows the situation when cleaning the water supply pipes of apartments and condominiums.
- the washing device 1 is installed on the water supply pipe 6 connected to the water receiving tank 7 to remove scales and the like attached to the wall inside the water supply pipe 6, and then the faucet 8 is opened to drain the washing water.
- FIG. 4 shows a state in which the water supply pipe 9 of a large building such as a factory is washed.
- the washing device 1 is installed in the water receiving tank 7 to wash the inside of the water supply pipe 9.
- the stop valve in the meter 3 is closed, and then the connecting member 32 of the surrounding hose 30 is connected to the cleaning pipe 2.
- the timer 21 of the dispersing machine 20, the air flow meter 22 and the wind pressure gauge 23 are adjusted.
- the intermittent time of carbon dioxide a discharge is 1 to 3 seconds, preferably 1 to 2 seconds
- the pause is 2 to 4 seconds, preferably 2 to 3 seconds
- the operation is repeated about 20 minutes before and after Preferably.
- the wind pressure is preferably set to 0.4 to 1.0 atm, particularly preferably 0.8 to 1.0 atm.
- the on-off valve 12 is opened to communicate the gas pipe 11 with the gas hose 3, the disperser 20 is started by the switch 24, and the connection is made by operating the handle 27 of the on-off valve 26.
- the carbon dioxide gas a is discharged into the pipe 2 via the hose 30.
- the carbon dioxide gas a discharged into the pipe 2 is dissolved in the water in the pipe â , and thereafter, as shown in FIG. 2, the carbon dioxide gas a is vaporized by the flowing water action in the pipe 2 and its foaming action
- scales, scales, etc. adhered to the inner wall of the pipe 2 are strongly peeled and removed in a short time.
- the sound of the blowout can detect a crack in the pipe 2, and the water leak can be controlled simultaneously with the washing of the pipe 2. After discharging the carbon dioxide gas a, the water is circulated to remove the exfoliated scale.
- the pressure valve 29 opens and the carbon dioxide a and And water are discharged from the outlet 28 to the outside. This can prevent the pipe 2 from being ruptured by the pressure of the carbon dioxide gas a. It is preferable that the setting of the pressure of the pressure valve 29 be appropriately adjusted according to the thickness and length of the water supply pipe.
- the blowing agent charging device 40 is operated to charge the blowing agent into the connecting pipe 25 according to the situation.
- the blowing force of the carbon dioxide gas a sent from the gas cylinder 10 and The foaming action of the foaming agent of the powder is synergized with that of the above, so that water scale, scale, â , and the like attached to the inner wall of the pipe 2 can be more efficiently removed.
- water particularly hot water, nitrogen, ionized water, particularly silver ionized water, chlorine, ozone water, a fire retardant, oxygen, etc.
- water is supplied from the supply device 50 to the disperser It is possible to promote the bubbling of the carbon dioxide gas a by sending it to 0, sterilize and disinfect the inside of the pipe 2, and also improve the detergency.
- FIG. 8 shows an overall view of a well tube cleaning apparatus 101 according to an embodiment of the present invention.
- the washing device 101 is provided with a disperser 1 1 () that discharges the compressed air b intermittently or continuously at appropriate intervals into the well tube 102 via the hose 1] 1.
- a high-pressure water washing device for injecting high-pressure water c into the well tube 102 1.
- the hose 111 that is in contact with the dispersing machine 110 is connected to a high-pressure hose 121 of a high-pressure water washing device, which will be described later, via a connector 105.
- the disperser 110 includes an air conditioner for adjusting the discharge time and intermittent time of the compressed air b, an air flow meter for adjusting the amount of air to be discharged, and a wind pressure meter for adjusting the air pressure. Each has it.
- the high-pressure water cleaning device includes a high-pressure water producing machine 120 for producing high-pressure water c and high-pressure water c discharged from the high-pressure water producing machine 120 in a well tube 102.
- the high-pressure hose 1 2 1 to be distributed and the cleaning nozzle attached to the tip of the high-pressure hose 1 2 1 Chisel 1 2 2.
- Fig. 6 is an enlarged view of the tip inserted into the well tube of the cleaning device shown in Fig. 8.
- the cleaning nozzle 122 is formed in a cylindrical shape, and is provided with a discharge port 123 for adjusting the jetting direction of the high-pressure water c sent from the high-pressure hose 122.
- the high-pressure water c can be vigorously jetted obliquely downward onto the inner wall surface of the well pipe 102, that is, obliquely upward from the washing nozzle 22. It has become.
- the washing nozzle 122 may discharge the high-pressure water c while rotating the main body portion at an appropriate speed, whereby the washing efficiency of the well tube 102 can be increased.
- a carbon dioxide gas supply apparatus 112 is connected to the disperser 110.
- a plurality of gas cylinders filled with carbon dioxide gas are accommodated inside the carbon dioxide gas supply device 112, and these gas cylinders are connected to the disperser 110 via gas pipes.
- carbon dioxide gas can be supplied from the disperser 110.
- the carbon dioxide gas supplied from the carbon dioxide gas supply device 112 is injected into the well tube 102 from the end of the hose 111 as in the case of the compressed air, and the discharged carbon dioxide gas is well water.
- the carbon dioxide gas evaporates while rising in the well pipe 102, and the bubbles expand, and the foaming action and the action of the high-pressure water c described above are combined.
- the scale, complex, and the like attached to the inner wall of the car can be peeled off and removed strongly in a short time.
- a nozzle holder 130 above the cleaning nozzle 122.
- the pressure of the high-pressure water makes the cleaning nozzle 122 easily swing in the well pipe 102, but the nozzle is retained.
- the nozzle holder 130 includes a shaft body 131 fitted externally to the high-pressure hose 122, and a frame body protruding from the outer peripheral surface of the shaft body 131. 3 2 and can be composed.
- the frame 1 32 is, for example, a shaft Three arms can be formed to extend radially at equal intervals in the circumferential direction with the center at 13 1.
- the diameter of the circle formed by the three frame bodies 13 2 is determined by the well tube 10 2
- the nozzle 122 can be favorably held at the center of the well pipe 102 â . Therefore, it is preferable that the nozzle holder 130 can be replaced according to the inner diameter of the well tube 102.
- a nozzle holder 130 having a diameter corresponding to the inner diameter of the well pipe to be cleaned was attached to the high-pressure hose 122 and the cleaning nozzle 122 connected to the high-pressure water producing machine 120. Then, the hose 111 surrounded by the dispersing machine 110 is integrally fixed using the coupling tool 105. As shown in FIG. 8, the tip portion of the washing device is lowered into the well tube 102 via a pulley 106 or the like. After the washing nozzle 122 reaches the bottom of the well tube 102, the switches of the disperser 110 and the high-pressure water producing machine 120 are turned on.
- the disperser 110 sends the compressed air b intermittently at appropriate intervals ('preferably driving for about 1 second and stopping for about 2 seconds') or continuously into the hose 111, thereby
- the compressed air b is driven into the well water w from the end of the hose 1 1 1.
- the driven compressed air b expands while rising in the well water w as shown in Fig. 7 and Fig. 8. Then, by the action of the expanded air bubbles, scales, scales, etc. adhered to the inner wall of the well tube 102 can be peeled and removed.
- high-pressure water c of about 100 to 200 m â / s is sent into the high-pressure hose 122 from the high-pressure water producing machine 120.
- the jet is blown obliquely upward from the discharge port 123 of the cleaning nozzle 122. Therefore, the high-pressure water c is directly blown to the wall surface of the well tube 102 through the large bubble portion cl formed in the well tube 102 by the expansion of the compressed air b, It is possible to more reliably and efficiently remove scales, rust, and the like adhering to the water.
- the cleaning nozzle 122 be moved up and down while discharging the compressed air b and the high-pressure water c to perform the cleaning operation inside the well tube 102.
- the exfoliated scale and sediment are reliably and efficiently surfaced by the rising action of the compressed air b in the well water w and the pressure of the high-pressure water c discharged diagonally upward, and the well pipe is removed. It will be discharged outside of 102.
- the carbon dioxide gas supply device 1-2 be operated according to the degree of contamination of the well pipe 102, and carbon dioxide gas be driven into the pipe from the end of the hose 111.
- the carbon dioxide gas sent from the carbon dioxide gas supply device 112 is intermittently or continuously driven from the hose 111 at appropriate intervals by the disperser 110 to be dissolved in the well water w.
- the gas is vaporized while rising in the well pipe 102, and the foaming action can strongly remove water scale, scale, â , etc. attached to the inner wall of the well pipe 102.
- the synergistic effect of compressed air, particularly carbon dioxide gas, and high-pressure water reduces work time and steps, and is easy and efficient in a short time.
- the inside of the well tube can be cleaned.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Cleaning In General (AREA)
Description
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101806203A (zh) * | 2010-03-31 | 2010-08-18 | éåºå€§åŠ | é«åæ°Žåæèœ¬è§£å µè£ çœ® |
JP2010223525A (ja) * | 2009-03-25 | 2010-10-07 | Osaka Gas Co Ltd | ç±äº€æåšã®é 管å ã«ä»çããã¹ã±ãŒã«ã®é€å»æ¹æ³ããã³é€å»è£ 眮 |
NL1037811C2 (nl) * | 2010-03-17 | 2011-09-20 | Vitens N V | Werkwijze en inrichting voor het reinigen en spuien van leidingen. |
CN102287152A (zh) * | 2011-07-15 | 2011-12-21 | äžåœç³æ²¹å€©ç¶æ°è¡ä»œæéå ¬åž | äžç§æ蜬å·å°æž ç æ¹æ³ |
JP2012055830A (ja) * | 2010-09-09 | 2012-03-22 | Toshimi Honda | é 管ã®æŽæµæ¹æ³åã³ãã®æŽæµè£ 眮 |
JP2013022578A (ja) * | 2011-07-26 | 2013-02-04 | Earth Trust Engineering Kk | ãšã¢ãŒãžã§ããã£ã³ã°è£ 眮åã³å·¥æ³ |
JP2013154288A (ja) * | 2012-01-30 | 2013-08-15 | Yoshika Engineering Kk | 管路æŽæµæ¹æ³åã³ç®¡è·¯æŽæµè£ 眮 |
JP2014141802A (ja) * | 2013-01-23 | 2014-08-07 | Nakajima Kogyo:Kk | è¶ åŸ®çŽ°æ°æ³¡ãçšããäºæžæ¹ä¿®æ¹æ³ããã³ãã®è£ 眮 |
CN113588183A (zh) * | 2021-06-30 | 2021-11-02 | æ±èæ°çéå·¥æéå ¬åž | äžç§åºçšäºäœæž©æ°ç¶ç产线çæ°®æ°åŸªç¯è£ 眮 |
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JP5562773B2 (ja) * | 2010-09-10 | 2014-07-30 | èåå·¥æ¥æŽæµæ ªåŒäŒç€Ÿ | æ°Žéæ°Žé 管ã®æŽæµæ¹æ³ããã³è£ 眮 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH032432A (ja) * | 1989-05-29 | 1991-01-08 | Saniida:Kk | æ·±äºæžã®æŽæµæŽçæ¹æ³ |
JP2558590B2 (ja) * | 1993-01-26 | 1996-11-27 | 鹿島建èšæ ªåŒäŒç€Ÿ | ææ°Žç³»æµè·¯å ã®æµåæ¹æ³åã³ãã®è£ 眮 |
-
2001
- 2001-10-02 WO PCT/JP2001/008682 patent/WO2002055225A1/ja active Search and Examination
- 2001-10-02 JP JP2002555947A patent/JP3501795B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH032432A (ja) * | 1989-05-29 | 1991-01-08 | Saniida:Kk | æ·±äºæžã®æŽæµæŽçæ¹æ³ |
JP2558590B2 (ja) * | 1993-01-26 | 1996-11-27 | 鹿島建èšæ ªåŒäŒç€Ÿ | ææ°Žç³»æµè·¯å ã®æµåæ¹æ³åã³ãã®è£ 眮 |
Cited By (10)
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JP2010223525A (ja) * | 2009-03-25 | 2010-10-07 | Osaka Gas Co Ltd | ç±äº€æåšã®é 管å ã«ä»çããã¹ã±ãŒã«ã®é€å»æ¹æ³ããã³é€å»è£ 眮 |
NL1037811C2 (nl) * | 2010-03-17 | 2011-09-20 | Vitens N V | Werkwijze en inrichting voor het reinigen en spuien van leidingen. |
CN101806203A (zh) * | 2010-03-31 | 2010-08-18 | éåºå€§åŠ | é«åæ°Žåæèœ¬è§£å µè£ çœ® |
JP2012055830A (ja) * | 2010-09-09 | 2012-03-22 | Toshimi Honda | é 管ã®æŽæµæ¹æ³åã³ãã®æŽæµè£ 眮 |
CN102287152A (zh) * | 2011-07-15 | 2011-12-21 | äžåœç³æ²¹å€©ç¶æ°è¡ä»œæéå ¬åž | äžç§æ蜬å·å°æž ç æ¹æ³ |
JP2013022578A (ja) * | 2011-07-26 | 2013-02-04 | Earth Trust Engineering Kk | ãšã¢ãŒãžã§ããã£ã³ã°è£ 眮åã³å·¥æ³ |
JP2013154288A (ja) * | 2012-01-30 | 2013-08-15 | Yoshika Engineering Kk | 管路æŽæµæ¹æ³åã³ç®¡è·¯æŽæµè£ 眮 |
JP2014141802A (ja) * | 2013-01-23 | 2014-08-07 | Nakajima Kogyo:Kk | è¶ åŸ®çŽ°æ°æ³¡ãçšããäºæžæ¹ä¿®æ¹æ³ããã³ãã®è£ 眮 |
CN113588183A (zh) * | 2021-06-30 | 2021-11-02 | æ±èæ°çéå·¥æéå ¬åž | äžç§åºçšäºäœæž©æ°ç¶ç产线çæ°®æ°åŸªç¯è£ 眮 |
CN113588183B (zh) * | 2021-06-30 | 2023-06-02 | æ±èæ°çéå·¥æéå ¬åž | äžç§åºçšäºäœæž©æ°ç¶ç产线çæ°®æ°åŸªç¯è£ 眮 |
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JPWO2002055225A1 (ja) | 2004-05-13 |
JP3501795B2 (ja) | 2004-03-02 |
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