WO2023043222A2 - Machine à laver à la vapeur à renouvellement d'air - Google Patents

Machine à laver à la vapeur à renouvellement d'air Download PDF

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Publication number
WO2023043222A2
WO2023043222A2 PCT/KR2022/013786 KR2022013786W WO2023043222A2 WO 2023043222 A2 WO2023043222 A2 WO 2023043222A2 KR 2022013786 W KR2022013786 W KR 2022013786W WO 2023043222 A2 WO2023043222 A2 WO 2023043222A2
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WO
WIPO (PCT)
Prior art keywords
steam
flow path
air
steam tank
tank
Prior art date
Application number
PCT/KR2022/013786
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English (en)
Korean (ko)
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WO2023043222A3 (fr
Inventor
최오종
Original Assignee
주식회사 아셀인더스
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 주식회사 아셀인더스 filed Critical 주식회사 아셀인더스
Publication of WO2023043222A2 publication Critical patent/WO2023043222A2/fr
Publication of WO2023043222A3 publication Critical patent/WO2023043222A3/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S3/00—Vehicle cleaning apparatus not integral with vehicles
    • B60S3/04—Vehicle cleaning apparatus not integral with vehicles for exteriors of land vehicles

Definitions

  • the present invention relates to a steam washing machine, and more particularly, to an air replenishing type steam washing machine capable of automatically replenishing air pressure when the internal pressure of a steam tank is lowered.
  • a device for washing a vehicle using steam is being developed. Since these devices inject steam at a low injection pressure or adopt a complex steam control method for use by ordinary people, an issue to solve this problem has emerged.
  • Korean Registered Patent Publication No. 10-1994804 (2019.06.25.), filed and registered by the present applicant, is disclosed.
  • the steam tank is manufactured by welding lids to the top and bottom of the cylinder in consideration of cost.
  • the steam tank is manufactured by welding lids to the top and bottom of the cylinder in consideration of cost.
  • cracks are generated at the above-mentioned welded portion, cracks are formed, and the entire lid is blown off, leading to a large-scale disaster in many cases, so improvement measures are also required.
  • a technical problem to be achieved by the present invention is to provide an air replenishing type steam cleaner capable of automatically replenishing air pressure when the internal pressure of a steam tank decreases.
  • a steam tank including a heater configured to heat a fluid for vehicle washing; a first flow path connected to the inside of the steam tank; a second flow path connected to the steam tank and used for dry steam; a third flow path connected to the first flow path and transferring the fluid flowing through the first flow path to a steam gun for vehicle washing; a fourth flow path connected to the steam tank and the third flow path; a fifth flow path provided to surround the steam tank, exchanging heat with heat discharged from the steam tank, and connected to the first flow path; and an air pressure replenishing unit connected to the first flow path and supplying air to the steam tank when the pressure of the steam tank decreases.
  • the air pressure replenishment unit may include a compressor generating compressed air; an air supply line having one side connected to the compressor and the other side connected to the first flow path to supply the compressed air to the first flow path; and an air opening/closing valve provided in the air supply line to open and close the air supply line.
  • the air opening/closing valve may be opened when the internal pressure of the steam tank falls below a set value.
  • a plurality of reinforcing pieces coupled to upper and lower welding regions of the steam tank may be further included.
  • a water drop prevention unit provided in the third extraction pipe to prevent water drop may be further included.
  • air pressure may be automatically replenished when the internal pressure of the steam tank is lowered by an air pressure replenisher connected to the steam tank.
  • the steam extraction pipe is provided with a first extraction pipe, a second extraction pipe bent at the bottom of the first extraction pipe and having a smaller diameter than the first extraction pipe, and provided at the lower end of the second extraction pipe and smaller than the second extraction pipe.
  • FIG. 1 is a view schematically showing a steam cleaner of an air replenishment method according to an embodiment of the present invention.
  • FIG. 2 is a view schematically showing that a plurality of reinforcing pieces are provided on the upper and lower parts of the steam tank shown in FIG. 1;
  • FIG. 3 is an enlarged view of the steam extraction pipe shown in FIG. 2 .
  • dry steam refers to a fluid in which the weight ratio of water to the total weight is about 5% or less, and refers to a fluid at room temperature at a distance of about 50 cm from a discharge port through which it is sprayed.
  • absorbed steam refers to a fluid in which the weight ratio of water to the total weight exceeds about 5%, and refers to a fluid at room temperature at a distance of about 70 cm to about 100 cm from a discharge port through which it is sprayed.
  • FIG. 1 is a view schematically showing a steam washer of an air replenishment method according to an embodiment of the present invention
  • FIG. 2 is a schematic view showing that a plurality of reinforcing pieces are provided on the upper and lower parts of the steam tank shown in FIG.
  • FIG. 3 is an enlarged view of the steam extraction pipe shown in FIG. 2 .
  • the steam washer 10 of the air replenishment method allows the user to selectively use dry steam and suction steam.
  • the air replenishing type steam cleaner 10 of this embodiment includes a steam tank 110, a first flow path 120, a second flow path 130, a third flow path 140, a fourth flow path 150, and a fifth flow path. 170, the second valve 200, and the air pressure replenishment unit 300 may be included.
  • the steam tank 110 may be provided inside the body (not shown), and the body includes a first flow path 120, a second flow path 130, a third flow path 140, a controller, and a fourth flow path. At least one of the flow path 150 and the fifth flow path 170 may be installed.
  • the body may have a substantially rectangular parallelepiped shape with a sharp top, but is not limited thereto.
  • the body may be movably provided by a plurality of wheels provided on the bottom portion, and for convenience of movement, a pair of wheels disposed at the rear may be larger than a pair of wheels disposed at the front.
  • a pair of wheels disposed at the rear may have a known stopper function.
  • the steam tank 110 stores fluid for vehicle washing.
  • the steam tank 110 may have a substantially cylindrical shape, but is not limited thereto.
  • a fluid for vehicle washing may include water.
  • the fluid stored in the steam tank 110 may exist in a liquid phase or a vapor phase.
  • the fluid stored in the steam tank 110 may exist in an appropriate combination of liquid and gaseous phases.
  • the steam tank 110 may be manufactured by welding lids to the top and bottom of the cylinder in consideration of cost. In this case, when overpressure acts on the steam tank 110, cracks are generated at the welded parts of the upper and lower lids and the tank body, cracks are generated, and the entire lid is blown away, leading to a large-scale disaster. .
  • a plurality of reinforcing pieces 110a may be provided on the upper and lower parts of the steam tank 110 to prevent this.
  • the plurality of reinforcing pieces 110a may have a L-shape, as shown in FIG. 2, and are welded to areas where the tank body and the upper lid and the tank body and the lower lid contact each other, so that the steam tank 110 ) can prevent the upper and lower lids from being blown away in the event of an explosion.
  • the steam tank 110 may include a heater 111.
  • the heater 111 is configured to heat the fluid stored in the steam tank 110.
  • the ratio between the liquid phase and the gas phase of the fluid may be determined according to the instantaneous maximum load, which is the capacity of the heater 111 .
  • the heater 111 may be installed at the bottom of the steam tank 110. This is for the convenience of scale work and maintenance of the heater 111 .
  • the heater 111 may include a plurality of heating elements.
  • a plurality of heating elements may be spaced apart from each other along the circumference of the steam tank 110 and arranged.
  • a plurality of heating elements may be arranged in a matrix form at the bottom of the steam tank 110 .
  • the steam tank 110 may include at least one electrode rod 112 .
  • the electrode rod 112 is configured to sense the level of the fluid stored in the steam tank 110, so that the heater 111 can be properly heated to protect the heater 111.
  • the electrode rod 112 may be installed at the top of the steam tank 110 and extend toward the bottom of the steam tank 110 .
  • the extension length of the electrode rod 112 may be determined in consideration of the normal amount of fluid stored in the steam tank 110 .
  • the steam tank 110 may include a plurality of electrode rods 112.
  • the plurality of electrode rods 112 may have different extension lengths. This is for sequentially detecting the level of the fluid stored in the steam tank 110, and the instantaneous maximum load of the heater 111 may be adjusted according to the level of the fluid by the controller.
  • the steam tank 110 may include a safety valve 113 and a steam valve 114 installed at a connection portion extending from the steam tank 110 to the second flow path 130 .
  • the safety valve 113 prevents the risk of an accident that may occur when the pressure of the steam tank 110 rises excessively.
  • the steam valve 114 is configured to open and close fluid communication between the steam tank 110 and the second flow path 130 .
  • the opening degree of the steam valve 114 may be controlled by the controller, and accordingly, the amount of gaseous fluid flowing through the second flow path 130 may be determined.
  • the steam valve 114 may block fluid communication between the steam tank 110 and the second flow path 130 .
  • the steam tank 110 may include a pressure regulator and a pressure gauge.
  • the pressure regulator is configured to regulate the internal pressure of the steam tank 110.
  • the pressure gauge is configured to measure the internal pressure of the steam tank 110.
  • the pressure regulator and pressure gauge may be integrally installed in the steam tank 110.
  • the pressure regulator and the pressure gauge may be installed in a portion of the steam tank 110 where only gaseous fluid exists.
  • the measured value of the internal pressure of the steam tank 110 measured by the pressure gauge may be transmitted to the controller.
  • the control unit may adjust the instantaneous maximum load of the heater 111 based on the internal pressure of the steam tank 110 .
  • the steam tank 110 may include a steam extraction pipe 117.
  • the steam extraction pipe 117 is connected to the second flow path 130 and is configured to extend from the top of the steam tank 110 toward the inside.
  • the structure of the steam extraction pipe 117 helps block the liquid fluid present on the inner wall of the steam tank 110 from moving along the inner wall to the second flow path 130 .
  • the steam extraction pipe 117 can help the fluid flowing through the second flow path 130 maintain conditions for dry steam.
  • the steam extraction pipe 117 is provided in the first extraction pipe 117a provided on the inner ceiling of the steam tank 110 and the lower portion of the first extraction pipe 117a.
  • a second extraction pipe 117b that is bent and has a smaller diameter than the first extraction pipe 117a, and a third extraction pipe that is provided at the lower end of the second extraction pipe 117b and has a smaller diameter than the second extraction pipe 117b.
  • (117c) and a water drop prevention unit (117d) provided in the third extraction pipe (117c) to prevent water from dripping.
  • the dry steam extractor is located on the upper wall of the steam tank, so that water flowing along the wall is discharged together, so even dry steam has a high moisture content.
  • the amount of water discharged is 300ml per minute, which is not suitable for sewing (steam ironing or finishing) or for use inside a car.
  • the steam extraction pipe 117 in order to extract pure dry steam, as shown in FIG. 2, can be placed in the center of the upper 70% of the inside of the steam tank 110 (indicated by an oval dotted line). .
  • the nozzle holes of the third extraction tube 117c, the second extraction tube 117b, and the first extraction tube 117a may be sequentially expanded to 4mm, 8mm, and 15mm in stages.
  • a saucer-shaped water drop prevention part 117d is provided in the third extraction pipe 117c so that even a drop of water is not mixed and discharged.
  • the steam tank 110 may include a water drain valve 118 .
  • the drain valve 118 is configured to discharge some or all of the liquid fluid stored in the steam tank 110 to the outside.
  • the first flow path 120 may be connected to the coil unit 174 to supply heated liquid into the steam tank 110 .
  • a first solenoid valve 121 may be installed in the first flow path 120 .
  • the first solenoid valve 121 is configured to adjust the opening of the first flow path 120 .
  • the first solenoid valve 121 electrically, magnetically, or electromagnetically by an inlet (not shown), an outlet (not shown), and a control unit allows fluid communication between the inlet and the outlet to be selectively made. It may include a valve element (not shown).
  • the degree of fluid communication and the reaction speed of opening and blocking are improved, thereby reducing the loss of fluid injection pressure. can be reduced
  • the second passage 130 is a passage through which fluid for dry steam flows.
  • the second flow path 130 may be connected to a portion of the steam tank 110 where gaseous fluid exists.
  • a second solenoid valve 131 may be installed in the second flow path 130 .
  • the second solenoid valve 131 is configured to adjust the opening of the second flow path 131 .
  • the second solenoid valve 131 electrically, magnetically or electromagnetically by means of an inlet (not shown), an outlet (not shown) and a control unit allows fluid communication between the inlet and the outlet to be selectively made. It may include a valve element (not shown).
  • a strainer configured to filter foreign substances included in the fluid flowing through the second flow path 130 may also be installed in the second flow path 130 .
  • the third flow path 140 is connected to the second flow path 130 and the fourth flow path 150 and is a passage through which a fluid for intake steam or a fluid for dry steam moves.
  • the fluid flowing through the third flow path 140 is sprayed to the outside through the steam gun 141 installed at the end of the third flow path 140 .
  • a strainer 142 configured to filter foreign substances included in the fluid may be installed in the third flow path 140 .
  • the fourth flow path 150 is connected to the steam tank 110 and the third flow path 140 and is a passage through which gaseous fluid in the steam tank 110 is transferred to the third flow path 140 . Accordingly, the ratio between the liquid phase and the gas phase of the fluid discharged from the third passage 140 can be set to a desired ratio starting from the connection portion where the line provided with the first valve 175 and the fourth passage 150 meet. .
  • the liquid phase fluid may be set more than the gas phase fluid.
  • a stop valve 151 may be installed in the fourth flow path 150 .
  • the stop valve 151 is configured to allow or block the flow of fluid flowing through the fourth flow path 150 .
  • the opening (opening and closing degree) of the stop valve 151 is adjusted, the amount of gaseous fluid delivered from the fourth flow passage 150 to the line provided with the first valve 175 may be adjusted.
  • the controller is configured to control driving of the first solenoid valve 121, the second solenoid valve 131, the first valve 400, and the second valve 200.
  • the control unit In the intake steam use mode, the control unit opens the first solenoid valve 121 to allow fluid to flow through the line provided with the first valve 175, while blocking the second solenoid valve 131 to flow through the second flow path. It is possible to block the movement of fluid through (130). In the dry steam use mode, the control unit blocks the movement of fluid by blocking the first solenoid valve 121 and opens the second solenoid valve 131 to allow movement of the fluid through the second passage 130. can This method of the control unit helps the user to selectively use intake steam and dry steam.
  • the control unit is configured to adjust the degree of opening, blocking or opening and closing of the stop valve 151. For example, when the control unit controls the stop valve 151 to increase the degree of opening and closing of the stop valve 151, the connection portion where the line provided with the first valve 175 and the fourth flow path 150 meet is the starting point. 1 The vapor phase ratio of the flowing fluid compared to the upstream portion of the line provided with the valve 175 may increase. On the other hand, when the control unit controls the stop valve 151 so that the degree of opening and closing of the stop valve 151 decreases, the first valve The vapor phase ratio of the flowing fluid to the upstream portion of the line provided with 175 may be reduced.
  • the controller may adjust the amount of water in the first flow path 120 by controlling the hot water amount control valve 115 provided in the branch flow path shown in FIG. 1 .
  • the controller may control opening and closing of the first valve 175 and the second valve 200 shown in FIG. 1 .
  • the second valve 200 is opened to supply the liquid heated through the fifth flow path 170 to the inside of the steam tank 110 through the first flow path 120.
  • the first solenoid valve 121 may be opened to supply heated liquid, that is, suction steam to the steam gun 141 .
  • thermal efficiency can be increased and power can be saved when steam is used by the coil unit 174 and the second valve 200 .
  • the outer wall of the steam tank 110 is wrapped in a coil form to receive heat transfer, and then is returned to the inside of the steam tank 110 by the second valve 200. Since it can be supplied, the power consumed to heat the liquid can be saved.
  • the fifth flow passage 170 is a passage connecting an external water supply unit (not shown) and the steam tank 110 .
  • a backflow prevention check valve 171 may be installed in the fifth flow passage 170 to prevent a backflow of liquid fluid from the steam tank 110 to the external water supply unit.
  • a third solenoid valve 172 may be installed in the fifth flow path 170 to open, block, or control the degree of opening and closing of liquid fluid.
  • a pump 173 may be installed in the fifth flow path 170 to smoothly supply fluid from an external water supply unit to the steam tank 110 .
  • a first valve 175 for opening and closing the line may be provided in a line branching from a line connecting the pump 173 and the third solenoid valve 172 and joining the fourth flow path 150 .
  • the air pressure replenishment unit 300 is connected to the first flow path 120 and flows into the steam tank 110 when the internal pressure of the steam tank 110 drops below a set value.
  • the internal pressure of the steam tank 110 may be compensated by supplying compressed air.
  • the air pressure replenishment unit 300 has a compressor 310 generating compressed air, one side is connected to the compressor 310 and the other side is connected to the first flow path 120 It includes an air supply line 320 connected to and supplying compressed air to the first flow passage 120, and an air opening/closing valve 330 provided in the air supply line 320 to open and close the air supply line 320.
  • This embodiment can be used by additionally connecting the air line of the compressor, which is essentially present in car washes or various automobile-related facilities, to the steam washer.
  • air pressure may be automatically replenished only when the discharge pressure of steam decreases (at 8 kg.f/cm2 or less).
  • the air opening/closing valve 330 may be automatically opened by the control unit, and may be closed by operation when the discharge pressure of steam returns to normal.
  • Air may be selectively supplied only when the pressure inside the steam tank 110 decreases, and may be set to be automatically closed in normal times.
  • the average working pressure range of the industrial air compressor is 7-9 kg.f/cm2, it is similar to the working pressure in this embodiment and can be supplemented if necessary.
  • the air pressure can be automatically supplemented when the internal pressure of the steam tank decreases by the air pressure replenisher connected to the steam tank.
  • the steam extraction pipe is provided with a first extraction pipe, a second extraction pipe bent at the bottom of the first extraction pipe and having a smaller diameter than the first extraction pipe, and provided at the lower end of the second extraction pipe and smaller than the second extraction pipe.
  • Air pressure can be automatically supplemented when the internal pressure of the steam tank is reduced by the air pressure replenishment part connected to the steam tank, and when the steam tank is welded to the top and bottom of the cylinder, the lid and the tank body are combined respectively. Even when overpressure acts on the steam tank by means of a plurality of reinforcing pieces, it is possible to prevent the occurrence of a large-scale disaster due to the entire lid being blown off, and the steam extraction pipe to the first extraction pipe and the lower part of the first extraction pipe.
  • a second extraction pipe that is bent and smaller in diameter than the first extraction pipe, and a third extraction pipe that is provided at the lower end of the second extraction pipe and has a smaller diameter than the second extraction pipe, the moisture content of dry steam can be significantly reduced. It has an industrially useful effect.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Abstract

Est divulguée ici une machine à laver à la vapeur à renouvellement d'air. La machine à laver à la vapeur à renouvellement d'air selon la présente invention comprend : un réservoir de vapeur comprenant un élément chauffant pour chauffer un fluide servant à un lavage de voiture ; un premier trajet d'écoulement raccordé à l'intérieur du réservoir de vapeur ; un deuxième trajet d'écoulement pour la vapeur sèche, raccordé au réservoir de vapeur ; un troisième trajet d'écoulement, qui est raccordé au premier trajet d'écoulement et transfère, à un pistolet à vapeur servant à un lavage de voiture, le fluide s'écoulant à travers le premier trajet d'écoulement ; un quatrième trajet d'écoulement raccordé au réservoir de vapeur et au troisième trajet d'écoulement ; un cinquième trajet d'écoulement, qui comprend le réservoir de vapeur de sorte à échanger de la chaleur avec la chaleur émise par le réservoir de vapeur, et qui est raccordé au premier trajet d'écoulement ; et une partie de renouvellement de pression d'air raccordée au premier trajet d'écoulement de sorte à fournir de l'air au réservoir de vapeur lorsque la pression du réservoir de vapeur chute.
PCT/KR2022/013786 2021-09-15 2022-09-15 Machine à laver à la vapeur à renouvellement d'air WO2023043222A2 (fr)

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Application Number Priority Date Filing Date Title
KR10-2021-0123205 2021-09-15
KR1020210123205A KR102404418B1 (ko) 2021-09-15 2021-09-15 에어 보충 방식의 스팀세척기

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WO2023043222A2 true WO2023043222A2 (fr) 2023-03-23
WO2023043222A3 WO2023043222A3 (fr) 2023-06-22

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KR102404418B1 (ko) * 2021-09-15 2022-06-02 주식회사 아셀인더스 에어 보충 방식의 스팀세척기

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KR101183360B1 (ko) * 2010-03-25 2012-09-14 조성채 스팀세차장치
KR101994804B1 (ko) 2019-02-07 2019-07-01 최오종 스팀 세차 장치
KR102166363B1 (ko) * 2019-11-11 2020-10-15 주식회사 아셀인더스 폐열을 활용한 스팀 세차 장치
KR102404418B1 (ko) * 2021-09-15 2022-06-02 주식회사 아셀인더스 에어 보충 방식의 스팀세척기

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WO2023043222A3 (fr) 2023-06-22

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