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CN-121972341-A - Spraying device for preventing uneven thickness of flue elastomer anticorrosive coating

CN121972341ACN 121972341 ACN121972341 ACN 121972341ACN-121972341-A

Abstract

The invention relates to a spraying device for preventing uneven thickness of an elastic body anticorrosive coating of a flue, which belongs to the technical field of anticorrosive spraying of flues and comprises a machine body, a storage cavity, a spraying assembly and a spraying assembly, wherein a side frame is fixedly arranged at one end of the machine body, self-propelled mechanisms are arranged on the side frame and the machine body, the storage cavity is arranged in the machine body, a discharging hole is formed in the middle position between the bottom of one end of the storage cavity and one end of the machine body far away from the side frame, a mounting hole is formed in one end of the discharging hole, a funnel-shaped discharging pipe is rotatably connected to the inner wall of the mounting hole through a sealing bearing, and the spraying assembly is arranged at one end of the discharging pipe. According to the invention, the discharging pipe can synchronously rotate along with spraying operation, the circumferentially uniform spraying of the inner wall of the flue is realized by matching with the annularly distributed spraying components, meanwhile, the paint is sprayed into the anti-splashing component, and is uniformly attached to the inner wall of the flue after diversion and centrifugation, so that the problem of uneven thickness of the paint caused by rebound splashing of the paint is fundamentally avoided.

Inventors

  • WANG TONG
  • JING XIAOJIE
  • WANG FANG
  • CHEN ZHOU
  • YU NINGNING

Assignees

  • 瑞通(山东)新材料科技有限公司

Dates

Publication Date
20260505
Application Date
20260408

Claims (10)

  1. 1. Spraying device for preventing uneven thickness of flue elastomer anticorrosive coating, which is characterized by comprising: The self-propelled machine comprises a machine body (1), wherein a side frame (3) is fixedly arranged at one end of the machine body (1), and self-propelled mechanisms (2) are arranged on the side frame (3) and the machine body (1); The storage device comprises a storage cavity (11), wherein the storage cavity (11) is formed in a machine body (1), a discharge hole (16) is formed in the middle of one end of the bottom of the storage cavity (11) and one end of the machine body (1) away from a side frame (3), a mounting hole (17) is formed in one end of the discharge hole (16), and a funnel-shaped discharge pipe (7) is rotatably connected to the inner wall of the mounting hole (17) through a sealing bearing; the spraying assembly (8) is arranged at one end of the discharging pipe (7), and an inlet of the spraying assembly (8) and an outlet of the discharging pipe (7) are fixedly provided with a switch valve (10); a splash prevention assembly (9), the splash prevention assembly (9) being disposed on the spray assembly (8); The self-cleaning assembly (6) is arranged on the splash-proof assembly (9) and the machine body (1); The utility model discloses a spiral pushing device of the material storage device, including organism (1), including frame (3), material storage cavity (11), drive shaft (12), biax motor (15) are installed in the other end of material storage cavity (11), mounting groove (18) has been seted up to the department in the middle of the one end of frame (3) near side of organism (1), and the inner wall fixed mounting of mounting groove (18) has biax motor (13), the other end of storage cavity (11) has been seted up with the communicating through-hole of mounting groove (18), and the inner wall of through-hole is connected with drive shaft (12) through sealed bearing rotation, the one end output shaft of biax motor (13) and the one end fixed connection of drive shaft (12), the other end of drive shaft (12) extends to in discharge hole (16), and the other end outer wall fixed mounting of drive shaft (12) has spiral pushing blade (15) of laminating at discharge hole (16) inner wall.
  2. 2. The spraying device for preventing uneven thickness of the elastomer anticorrosive coating of the flue according to claim 1, wherein the spraying assembly (8) comprises a multi-way pipe (81) fixedly installed at one end of the switch valve (10), an annular pipe (82) is fixed on the multi-way pipe (81), L-shaped spraying pipes (83) distributed in an annular mode at equal distances are fixed on the outer wall of the annular pipe (82), fan-shaped spraying heads (84) are fixedly installed at one ends of the L-shaped spraying pipes (83), and the spraying direction of the fan-shaped spraying heads (84) is in a horizontal spraying state relative to the inner wall of the flue.
  3. 3. The spraying device for preventing uneven thickness of the elastomer anticorrosive coating of the flue according to claim 2, wherein the anti-splashing component (9) comprises an arc-shaped air guide sleeve (91) fixedly installed on the annular pipe (82) at equal intervals, the arc-shaped air guide sleeve (91) is designed in a gradual-change radian mode, an arc-shaped splash guard (92) is fixedly installed on the top of the arc-shaped air guide sleeve (91) and the outer wall of the fan-shaped spray head (84), and the arc-shaped splash guard (92) covers the spraying position of the fan-shaped spray head (84).
  4. 4. The spraying device for preventing uneven thickness of the flue elastomer anticorrosive coating according to claim 3, wherein the self-cleaning assembly (6) comprises a connecting shaft (64) rotatably connected to the bottom of the arc-shaped guide cover (91), an air blast plate (65) which is distributed at equal intervals is fixedly arranged on one side of the outer wall of the connecting shaft (64), the air blast plate (65) is designed into an arc shape and is positioned in the arc-shaped guide cover (91), the length of the air blast plate (65) is matched with the width of the inner wall of the arc-shaped guide cover (91), a gear ring (61) is fixedly arranged at one end of the machine body (1) close to the discharging pipe (7), a fluted disc (63) meshed with the inner wall of the gear ring (61) is fixedly arranged at one end of the connecting shaft (64), a protective cover plate (62) which is covered on one side of the gear ring (61) is fixedly arranged at the outer wall of the discharging pipe (7), a through hole for the connecting shaft (64) to penetrate is formed in the protective cover plate (62), and a sealing sleeve which is fixedly attached to the outer wall of the connecting shaft (64).
  5. 5. The spraying device for preventing uneven thickness of the elastomer anticorrosive coating of the flue according to claim 4, wherein the outer wall of the driving shaft (12) is fixedly provided with stirring blades (14) which are equidistantly positioned in the storage cavity (11), the stirring blades (14) are designed into a horn shape, and a plurality of disturbing flow grooves are formed in the stirring blades (14).
  6. 6. The spraying device for preventing uneven thickness of an elastomer anticorrosive coating of a flue according to claim 5, wherein the self-propelled mechanism (2) comprises grooves (23) formed in the outer wall of the machine body (1) at equal intervals, a cross groove (25) is formed in one end of the side frame (3), an L-shaped plate (21) is movably arranged on the inner wall of the cross groove (25) and the inner wall of the groove (23), an unfolding mechanism for driving the L-shaped plate (21) to move is arranged on the side frame (3), a plurality of movable grooves are formed in the L-shaped plate (21), the inner walls of the movable grooves are all rotationally connected with wheel shafts (221), self-walking wheels (24) are fixedly arranged on the outer walls of the wheel shafts (221), and transmission components for driving the self-walking wheels (24) to rotate are arranged in the other end output shafts of the double-shaft motor (13) and the L-shaped plate (21).
  7. 7. The spraying device for preventing uneven thickness of the elastomer anticorrosive coating of the flue according to claim 6, wherein the unfolding mechanism comprises sliding grooves (211) formed in the inner wall of the cross groove (25) at equal intervals, one ends of the L-shaped plates (21) are fixedly provided with sliding blocks (210) which are arranged in the sliding grooves (211) in a sliding manner, a forward and reverse rotating motor (22) is fixedly arranged in the middle of the other ends of the side frames (3), an output shaft of the forward and reverse rotating motor (22) is fixedly provided with a rotary table (28) positioned in the side frames (3), one sides of the rotary table (28) are connected with push-pull rods (29) distributed at equal intervals through pin shafts in a rotating manner, and one ends of the push-pull rods (29) are connected with one ends of the sliding blocks (210) through pin shafts in a rotating manner.
  8. 8. The spraying device for preventing uneven thickness of a flue elastomer anticorrosive coating according to claim 7, wherein the transmission assembly comprises a mounting frame (26) fixedly mounted in the middle of the inner wall of the cross groove (25), a first connecting hole is formed in the middle of the periphery of the mounting frame (26), the inner wall of the first connecting hole is rotationally connected with a transmission cylinder (215) through a bearing, a first bevel gear (218) meshed with the output shaft of the other end of the double-shaft motor (13) is fixedly mounted at the bottom end of the transmission cylinder (215), a connecting cavity (27) is formed in the corner of the L-shaped plate (21), a second connecting hole is formed in the bottom of the connecting cavity (27), a transmission rod (217) inserted into the transmission cylinder (215) is rotationally connected with the inner wall of the transmission cylinder (215) through a bearing, a limit bar (220) inserted into the limit groove (219) is fixedly arranged at the bottom of the outer wall of the transmission rod (217), a transmission shaft (213) is rotationally connected with a transmission (213) on the L-shaped plate (21), one end of the transmission shaft (213) is fixedly connected with a worm gear (212) fixedly mounted at one end of the worm gear (213) and fixedly mounted at the top end of the worm (213), the worm wheel (212) is meshed with the worm (214).
  9. 9. The spraying device for preventing uneven thickness of the flue elastomer anticorrosive coating according to claim 8, wherein a heat dissipation groove (19) is formed between the mounting groove (18) and one of the grooves (23), a handle frame (4) is fixedly arranged at the other end of the side frame (3), a material injection hole is formed in one side of the top of the material storage cavity (11), a material injection pipe (5) is fixed on the inner wall of the material injection hole, and a sealing cover is arranged on the material injection pipe (5).
  10. 10. The spraying device for preventing uneven thickness of an elastomer anticorrosive coating of a flue according to claim 9, wherein the bottom two sides of the machine body (1) are provided with a device cavity (20), the inner wall of the device cavity (20) is fixedly provided with a controller (30) and a storage battery (40), the device cavity (20) is internally and fixedly provided with a remote control unit, the remote control unit is electrically connected with the controller (30), the remote control unit is provided with matched external remote control equipment, the remote control unit is used for receiving a control command sent by the external remote control equipment and transmitting the control command to the controller (30), the working states of the self-propelled mechanism (2), the switch valve (10) and the double-shaft motor (13) are respectively controlled by the controller (30), remote control after the device enters the flue is realized, and the storage battery (40) provides electric power support for the remote control unit, the controller (30) and all electric components of the device.

Description

Spraying device for preventing uneven thickness of flue elastomer anticorrosive coating Technical Field The invention relates to the technical field of corrosion prevention spraying of flues, in particular to a spraying device for preventing uneven thickness of an elastic corrosion-resistant layer of a flue. Background The flue is used as a core channel for industrial flue gas emission, and the inner wall of the flue is required to be provided with an anti-corrosion layer under the working conditions of high temperature, high humidity and strong corrosion flue gas for a long time so as to prolong the service life, wherein the elastomer anti-corrosion layer has excellent corrosion resistance, stretching resistance and sealing property, and is widely applied to the anti-corrosion construction of the inner wall of the flue. At present, the spraying mode is generally adopted for construction of the anti-corrosion layer of the flue elastomer, the existing spraying equipment is mainly fixed single-nozzle spraying or manual handheld spraying, a remarkable technical short plate exists in actual operation, the problems of spraying disorder and uneven thickness of the anti-corrosion layer caused by rebound splashing of the coating are particularly remarkable, and the problems become key bottlenecks for restricting construction quality: in the spraying process, after the paint is sprayed to the inner wall of the flue under a certain pressure, the paint is influenced by wall impact and air flow disturbance, reverse rebound and radial splashing are very easy to occur, on one hand, splashed paint particles are scattered randomly, local stacking and sagging are formed on the surface of the formed coating, so that the local thickness exceeds standard, on the other hand, the rebound material interferes with normal spraying track and material mist distribution, so that the circumferential and axial spraying covers of the flue are disordered, local leakage spraying, thin spraying, obvious joint mark and other phenomena occur, and a continuous, uniform and compact anti-corrosion coating is difficult to form, therefore, a spraying device for preventing the uneven thickness of the anti-corrosion layer of the flue elastomer is needed to be provided so as to solve the problems. Disclosure of Invention In order to solve the above problems, the present invention provides a spraying device for preventing uneven thickness of an elastomer anticorrosive layer of a flue, comprising: The machine body is characterized in that a side frame is fixedly arranged at one end of the machine body, and self-propelled mechanisms are arranged on the side frame and the machine body; The storage cavity is formed in the machine body, a discharge hole is formed in the middle of one end of the bottom of the storage cavity and one end of the machine body far away from the side frame, a mounting hole is formed in one end of the discharge hole, and a funnel-shaped discharge pipe is rotatably connected to the inner wall of the mounting hole through a sealing bearing; The spraying assembly is arranged at one end of the discharging pipe, and an inlet of the spraying assembly and an outlet of the discharging pipe are fixedly provided with a switch valve; the splash-proof assembly is arranged on the spraying assembly; The self-cleaning assembly is arranged on the splash-proof assembly and the machine body; the machine body is close to the middle of one end of the side frame, a mounting groove is formed in the middle of one end of the side frame, a double-shaft motor is fixedly mounted on the inner wall of the mounting groove, a through hole communicated with the mounting groove is formed in the other end of the storage cavity, the inner wall of the through hole is rotationally connected with a driving shaft through a sealing bearing, an output shaft of one end of the double-shaft motor is fixedly connected with one end of the driving shaft, the other end of the driving shaft extends into the discharging hole, and a spiral pushing blade attached to the inner wall of the discharging hole is fixedly mounted on the outer wall of the other end of the driving shaft. The spraying assembly further comprises a multi-way pipe fixedly arranged at one end of the switch valve, an annular pipe is fixedly arranged on the multi-way pipe, L-shaped spray pipes which are distributed in an annular mode at equal intervals are fixedly arranged on the outer wall of the annular pipe, fan-shaped spray heads are fixedly arranged at one ends of the L-shaped spray pipes, and the spraying direction of the fan-shaped spray heads is in a horizontal spraying state relative to the inner wall of the flue. The invention is further arranged that the splash-proof assembly comprises an arc-shaped guide cover which is fixedly arranged on the annular pipe at equal intervals, the arc-shaped guide cover adopts a gradual-change radian design, an arc-shaped splash guard is fixedly arranged on the top of th