WO2023123766A1 - Dispositif tête de pulvérisation - Google Patents

Dispositif tête de pulvérisation Download PDF

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Publication number
WO2023123766A1
WO2023123766A1 PCT/CN2022/088802 CN2022088802W WO2023123766A1 WO 2023123766 A1 WO2023123766 A1 WO 2023123766A1 CN 2022088802 W CN2022088802 W CN 2022088802W WO 2023123766 A1 WO2023123766 A1 WO 2023123766A1
Authority
WO
WIPO (PCT)
Prior art keywords
mixing chamber
spray head
nozzle
air pipe
rotating member
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2022/088802
Other languages
English (en)
Chinese (zh)
Inventor
郑洪标
刘志国
王军
吴凡华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Easy Sight Technology Co Ltd
Original Assignee
Wuhan Easy Sight Technology Co Ltd
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.)
Filing date
Publication date
Application filed by Wuhan Easy Sight Technology Co Ltd filed Critical Wuhan Easy Sight Technology Co Ltd
Publication of WO2023123766A1 publication Critical patent/WO2023123766A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0408—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing two or more liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
    • B05B13/0627—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
    • B05B13/0636—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies by means of rotatable spray heads or nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/128—Repairs of manhole shafts
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/06—Methods of, or installations for, laying sewer pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/18—Appliances for use in repairing pipes
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/06—Methods of, or installations for, laying sewer pipes
    • E03F2003/065—Refurbishing of sewer pipes, e.g. by coating, lining

Definitions

  • the present application relates to the technical field of repairing pipelines and inspection wells, in particular to a sprinkler device.
  • the non-excavation repair technology has become the mainstream technology for the renovation of underground water supply and drainage pipe network.
  • Winding method, necking lining method, folding lining method, CIPP in-situ point repair method, double expansion ring lining method and mortar spraying method, etc. the above repair methods have a long repair time, and work pits need to be excavated during repair.
  • the repaired pipe diameter has limitations and other defects.
  • Polyurea elastomer (SPUA for short), as a new type of waterproof and wear-resistant material, is a material A prepared by the reaction of isocyanate and oligomer diol or triol, composed of amino-terminated polyether, liquid amine chain extender, Pigments, fillers and additives make up material B.
  • the process of spraying or pouring polyurea elastomer for material A and material B through a spraying machine belongs to the rapid response spraying system.
  • the raw material system does not contain solvents, the curing speed is fast, and the process is simple.
  • Polyurea is a construction material with good comprehensive performance and full functions. It has the characteristics of waterproof and anti-corrosion, and has good construction performance.
  • the polyurea elastic material gels in 10 seconds, quickly solidifies in 30 seconds, and can pass water in 20 minutes. It has good wear resistance and has a designed service life of at least 30 years.
  • the mainstream polyurea spraying construction on the market still uses manual hand-held spray guns to spray and repair pipelines or inspection wells.
  • This spraying method not only has low work efficiency, but also requires a large amount of work space.
  • the construction work cannot be carried out.
  • the material has a pungent odor, and the long-term construction of the personnel holding the spray gun is very harmful to the health of the construction personnel.
  • the present application provides a spray head device, which is used to solve the problems of low spraying repair efficiency and low safety of inspection wells in the prior art.
  • the embodiment of the present application provides a sprinkler device for repairing pipelines and inspection wells, the sprinkler device includes:
  • the spray head mechanism is located on the mounting seat, the spray head mechanism has a housing and a nozzle arranged on the housing, the housing has a mixing chamber, and the nozzle communicates with the mixing chamber, so
  • the shell is also provided with a plurality of feeding ports communicating with the mixing chamber, the mixing chamber is used for mixing various materials; and,
  • the rotary spraying mechanism is arranged on the mounting base, the rotary spraying mechanism has a mixing chamber communicated with the nozzle, the rotary spraying mechanism is provided with a plurality of discharge ports communicated with the mixing chamber, the The rotary spraying mechanism has a movable stroke along its axial rotation, and is used for throwing the mixed materials out from each of the discharge ports during the rotation.
  • the rotary spraying mechanism includes a rotating member and a driving member, and the driving member drives and connects the rotating member so that the rotating member has a movable stroke along its axial rotation;
  • the rotating member includes a base and a side wall arranged along the circumference of the base, the side wall and the base surround to form the mixing chamber, and a plurality of holes communicated with the mixing chamber are opened on the side wall of the outlet.
  • each of the discharge ports is set through the side wall, so as to divide the side wall into a plurality of distribution blocks arranged at intervals, and the width of each of the distribution blocks is far from The direction of the mixing chamber is tapered toward the direction close to the mixing chamber.
  • a side of the base close to the mixing chamber protrudes toward the mixing chamber to form a tapered portion.
  • the driving member includes a driver and a transmission member arranged on the mounting seat, the transmission member includes a driving gear and a driven gear that are meshed and connected, and the driver is drivingly connected to the driving gear. gear, and the driven gear is connected to the rotating member through transmission, so that the rotating member has a movable travel along its axial rotation.
  • the installation seat has an installation cavity, and the spray head mechanism and the driving member are both arranged in the installation cavity;
  • the side of the mounting seat close to the rotating member is provided with an opening communicating with the installation cavity, and the rotating member also includes a fixing plate arranged on the side of the side wall away from the base, and the transmission gear The output shaft protrudes from the opening and is drivingly connected with the fixing plate.
  • the fixing plate is provided with an installation hole communicating with the mixing chamber, and the nozzle passes through the opening and the installation hole in turn, and extends into the mixing chamber .
  • a bearing is further provided at the opening, and the bearing is socketed with the output shaft of the transmission gear;
  • the rotating member also includes a flange disposed on the fixing plate, and the flange is connected with the bearing.
  • the spray head mechanism includes a first air pipe and a second air pipe arranged in the housing, both the first air pipe and the second air pipe communicate with the nozzle, the The first air pipe is provided with a pneumatic valve, the second air pipe is provided with a solenoid valve, the first air pipe is used for cleaning the nozzle, and the second air pipe is used for ejecting materials.
  • a transfer fixing block is provided on the side of the mounting seat away from the rotating member, and the transfer fixing block is provided with a gas path joint, a hydraulic joint and an electric wire joint. Both the first air pipe and the second air pipe are connected to the air path joint, the feed inlet is connected to the hydraulic joint through a feeding pipe, and the solenoid valve is connected to the wire joint.
  • two suspension rings are further provided on the side of the mounting seat away from the rotating member.
  • the nozzle device provided by this application realizes the primary mixing of various materials through the nozzle mechanism, and the mixed materials enter the mixing chamber through the nozzle. Under the high-speed rotation of the rotary nozzle mechanism, the materials realize secondary mixing. Throw it out and spray it evenly on the inner wall of the pipe.
  • the nozzle device provided by this application does not require manual control, is suitable for pipelines and tube wells of various diameters, and has a good effect on highly corrosive materials, greatly improving the efficiency and safety of pipeline repair.
  • Fig. 1 is a schematic diagram of the three-dimensional structure of an embodiment of the spray head device provided by the present application
  • Fig. 2 is a partial three-dimensional structural schematic diagram of Fig. 1;
  • Fig. 3 is a sectional view of Fig. 1;
  • Fig. 4 is a schematic diagram of a partial three-dimensional structure of the nozzle mechanism in Fig. 1;
  • Fig. 5 is a schematic diagram of the three-dimensional structure of the nozzle in Fig. 1;
  • FIG. 6 is a schematic perspective view of the three-dimensional structure of the rotating member in FIG. 1 .
  • Nozzle device 1: Nozzle device; 2: Mounting seat; 3: Nozzle mechanism;
  • connection and “connected” should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, Or integrated connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary.
  • connection should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, Or integrated connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary.
  • the first feature may be in direct contact with the first feature or the first feature and the second feature may pass through the middle of the second feature.
  • Media indirect contact Moreover, “above”, “above” and “above” the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • “Below”, “beneath” and “beneath” the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.
  • the shower head device 1 of the present application will be described below with reference to FIGS. 1-6 .
  • a spray head device 1 comprising: a mounting base 2; a spray head mechanism 3, located on the mounting base 2, the spray head mechanism 3 has a housing 9 and a nozzle 10 disposed on the housing 9, the housing 9 There is a mixing chamber 11 inside, and the nozzle 10 communicates with the mixing chamber 11 , and a plurality of feeding ports 12 communicating with the mixing chamber 11 are opened on the housing 9 .
  • polyurea elastomer is A material prepared by reacting isocyanate with oligomer diol or triol, and is composed of amino-terminated polyether, liquid amine chain extender, pigment, filler and auxiliary agent Composition B material, A material and B material enter into the mixing chamber 11 through different feeding ports 12, and carry out a mixing in the mixing chamber 11;
  • Spray head device 1 also comprises rotary spraying mechanism 4, and rotary spraying mechanism 4 is located on mounting seat 2, and rotary spraying mechanism 4 has the mixing chamber 14 that communicates with nozzle 10, and rotary spraying mechanism 4 is provided with the multiple chambers that communicate with mixing chamber 14.
  • the discharge port 15, the rotary spraying mechanism 4 has a movable stroke along its axial rotation.
  • the materials mixed once are mixed in the mixing chamber 14 for the second time.
  • the materials mixed after the second time will be thrown out from the outlets 15 and evenly coated on the parts to be repaired.
  • the nozzle device 1 provided by the present application realizes the primary mixing of various materials through the nozzle mechanism 3, and the mixed materials enter the mixing chamber 14 through the nozzle 10. Under the high-speed rotation of the rotary nozzle mechanism 3, the materials realize secondary mixing. It is thrown out from each discharge port 15 and can be evenly coated on the inner wall surface of the pipe or tube well.
  • the nozzle device 1 provided by the present application does not require manual control, is suitable for pipelines and pipe wells of various diameters, and has a good effect on highly corrosive materials, greatly improving the efficiency and safety of pipeline repair.
  • the rotary spraying mechanism 4 includes a rotating member 16 and a driving member 28 , and the driving member 28 drives and connects the rotating member 16 so that the rotating member 16 has a movable stroke along its axial rotation.
  • the rotary member 16 includes a base 17 and a side wall 18 arranged along the periphery of the base 17, the side wall 18 and the base 17 surround to form a mixing chamber 14, in this embodiment the base 17 and the side
  • the wall 18 is combined into a cylinder, and of course it can also be in other shapes, which is not limited in this application.
  • the side wall 18 is provided with a plurality of discharge openings 15 communicating with the mixing chamber 14.
  • the discharge openings 15 can be of any shape, such as strip shape, hole type, etc., and technicians can according to the coating density in the actual operation process and
  • the size of the pipe diameter is provided with a suitable discharge port 15. For example, if the density of the paint is high, the discharge port 15 will be larger, and if the pipe diameter is small, the discharge port 15 will be set smaller and so on.
  • each outlet 15 is set through the side wall 18 to divide the side wall 18 into a plurality of distributing blocks 19 arranged at intervals, please refer to Fig. 3 and Fig. 6 , each distributing block 19
  • the width of the width is tapered from far away from the mixing chamber 14 direction to the mixing chamber 14 direction, and the cross-section of each distribution block 19 shown in the figure is triangular (also can be trapezoidal, etc.), so set, the distribution block 19 is close to the mixing chamber
  • One end of 14 is pointed, which cuts and separates the paint, which is beneficial to the diversion of paint on the one hand; on the other hand, the diameter of the discharge port 15 is gradually increased from the direction close to the mixing chamber 14 to the direction away from the mixing chamber 14 , is also beneficial to increase the diffusion area of the paint, so that the paint can be evenly distributed on the side wall 18 of the pipeline to be repaired.
  • the side of the base 17 near the mixing chamber 14 protrudes toward the direction of the mixing chamber 14 to form a tapered portion 20, and the paint is reflected to each discharge through the tapered surface of the tapered portion 20. mouth 15 to divert the paint; on the other hand, the tip of the tapered portion 20 also cuts the paint to a certain extent, which is beneficial to the dispersion and diversion of the paint.
  • the driving member 28 includes a driver 24 and a transmission member arranged on the mounting base 2, which include a driving gear 25 and a driven gear 26 meshingly connected, the driver 24 drives and connects the driving gear 25, and the driven gear 26 drives and connects the rotating member 16, so that the rotary member 16 has a movable travel along its axial rotation.
  • the driver 24 is a motor, which may be an air motor or an electric motor, and the driving gear 25 and the driven gear 26 are helical gears, so that the transmission is stable and the noise is low.
  • the mounting seat 2 has a mounting cavity 5, and the spray head mechanism 3 and the driving member 28 are both arranged in the mounting cavity 5, which has a certain protective effect on the spray head mechanism 3 and the driving member 28;
  • One side is provided with an opening 6 communicating with the installation cavity 5
  • the rotating member 16 also includes a fixed plate 21 located on the side of the side wall 18 away from the base 17 , the output shaft of the transmission gear extends out of the opening 6 and is drivingly connected to the fixed plate 21 .
  • the mounting hole 22 communicated with the mixing chamber 14 is opened on the fixing plate 21 , the nozzle 10 passes through the opening 6 and the mounting hole 22 sequentially, and extends into the mixing chamber 14 to spray the mixed material into the mixing chamber 14 .
  • a bearing 23 is also provided at the opening 6, and the bearing 23 is socketed with the output shaft of the transmission gear; Bearing 23 is connected.
  • the spray head in the traditional technology uses a manual wrench to control the injection of materials.
  • the spray head mechanism 3 includes a first air pipe and a second air pipe arranged in the housing 9, and the first air pipe and the second air pipe are connected to each other.
  • the nozzles 10 are connected, the first air pipe is provided with a pneumatic valve, the second air pipe is provided with a solenoid valve 13, the first air pipe is used for cleaning the nozzle, and the second air pipe is used for ejecting materials.
  • the nozzle mechanism 4 there are three tubular ports at the upper end of the nozzle mechanism 3, and the two ports on both sides are respectively used as feed inlets 12 to communicate with the mixing chamber 11; the port in the middle is communicated with the first gas pipe (the first The air pipe and the second air pipe are not marked in the figure); when the nozzle device 1 is working, the first air pipe is in a long-pass state, and continuously delivers compressed air to the nozzle 10, which can play a role in cleaning the nozzle 10 and prevent
  • the second air pipe is controlled by the electromagnetic valve 13.
  • the electromagnetic valve 13 When the electromagnetic valve 13 is opened, the second air pipe is opened, and the material will be ejected from the nozzle 10.
  • the electromagnetic valve 13 When the electromagnetic valve 13 is closed, the second air pipe is closed, and there will be no material in the nozzle 10. Material ejected.
  • the solenoid valve 13 is used to control the spraying of materials, which frees both hands and can fully control the operation of the spray head device 1 .
  • a transfer fixing block 7 is provided with air circuit joints, hydraulic joints and wire joints, and the first air pipe and the second air pipe are connected to the air circuit.
  • the feed port 12 is connected with the hydraulic joint through the feeding pipe, and the electromagnetic valve 13 is connected with the electric wire joint.
  • two lifting rings 8 are provided on the side of the mounting base 2 away from the rotating member 16 .
  • the working principle of the nozzle device 1 provided by the application is roughly as follows (taking polyurea elastomer spraying as an example): the spraying device is provided with a suspension ring 8, and when it is necessary to repair and inspect pipelines or tube wells, the lifting steel wire rope is passed into the suspension ring 8 in advance, and the The entire device is fixed vertically (pipelines extend vertically), and the uniform speed up and down process of the nozzle device 1 is realized through the hoisting winch on the polyurea spraying vehicle; or the nozzle device 1 is fixed on the pipeline repair support, and then dragged by the hoist Drive it to move laterally in the pipeline (the pipeline extends vertically);
  • the driver 24 is first turned on to make it rotate at a high speed, thereby driving the rotary spraying mechanism 4 to rotate at a high speed; thereafter, the gas circuit joint is opened to allow the first air pipe to ventilate with the second air pipe, and the power supply of the solenoid valve 13 is turned on Then open the pneumatic valve so that the first air pipe is communicated with the nozzle 10 to realize the pneumatic gun cleaning process of the nozzle 10, then open the solenoid valve 13 to control the nozzle 10 to be in the open state; then, open the discharge switch through the hydraulic joint, at this time , material A and material B arrive in the mixing chamber 11 through the delivery pipe, and are sprayed onto the rotating member 16 rotating at high speed through the nozzle 10, and the mixed polyurea material is evenly sprayed on the surface to be repaired by the high-speed rotation of the rotating member 16 Due to the quick-drying characteristics of the polyurea material, the inspection well or the inner wall of the pipeline, the material gels in about 10 seconds, forming

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)

Abstract

Dispositif tête de pulvérisation, comprenant une base de montage (2) sur laquelle sont montés un mécanisme de tête de pulvérisation (3) et un mécanisme rotatif de revêtement par pulvérisation (4). Le mécanisme de tête de pulvérisation (3) comprend un boîtier (9) et une buse (10) disposée sur le boîtier (9). Une chambre de mélange de matières (11) et une pluralité d'orifices d'alimentation (12) sont disposés dans le boîtier (9). La chambre de mélange de matières (11) est en communication avec la buse (10) et avec les orifices d'alimentation (12). La chambre de mélange de matières (11) est conçue pour le mélange de multiples matières. Le mécanisme rotatif de revêtement par pulvérisation (4) comporte une chambre de mélange (14) et une pluralité d'orifices d'évacuation (15). La chambre de mélange (14) est en communication avec la buse (10) et avec les orifices d'évacuation (15). Le mécanisme rotatif de revêtement par pulvérisation (4) a un mouvement de rotation selon sa direction axiale et sert à projeter des matières mélangées hors des orifices d'évacuation pendant un processus de rotation. Le dispositif tête de pulvérisation permet le double mélange et la pulvérisation uniforme de multiples matières sur une face de paroi interne d'un tuyau et peut s'appliquer à des conduites et à des puits tubulaires de divers diamètres.
PCT/CN2022/088802 2021-12-31 2022-04-24 Dispositif tête de pulvérisation Ceased WO2023123766A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111667573.6 2021-12-31
CN202111667573.6A CN116408212B (zh) 2021-12-31 2021-12-31 喷头装置

Publications (1)

Publication Number Publication Date
WO2023123766A1 true WO2023123766A1 (fr) 2023-07-06

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PCT/CN2022/088802 Ceased WO2023123766A1 (fr) 2021-12-31 2022-04-24 Dispositif tête de pulvérisation

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CN (1) CN116408212B (fr)
WO (1) WO2023123766A1 (fr)

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