CN117531641A - Thermal spraying device and method for wear-resistant coating of flame tube of gas turbine - Google Patents
Thermal spraying device and method for wear-resistant coating of flame tube of gas turbine Download PDFInfo
- Publication number
- CN117531641A CN117531641A CN202410036046.2A CN202410036046A CN117531641A CN 117531641 A CN117531641 A CN 117531641A CN 202410036046 A CN202410036046 A CN 202410036046A CN 117531641 A CN117531641 A CN 117531641A
- Authority
- CN
- China
- Prior art keywords
- fixed
- flame tube
- shaped
- gas turbine
- plate
- 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.)
- Granted
Links
- 239000011248 coating agent Substances 0.000 title claims abstract description 111
- 238000000576 coating method Methods 0.000 title claims abstract description 111
- 238000007751 thermal spraying Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 238000005507 spraying Methods 0.000 claims abstract description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- 230000001877 deodorizing effect Effects 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 5
- 238000007781 pre-processing Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract description 7
- 238000007790 scraping Methods 0.000 description 41
- 239000012535 impurity Substances 0.000 description 12
- 238000005299 abrasion Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
-
- 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
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
-
- 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
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/0228—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the movement of the objects being rotative
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
Landscapes
- Spray Control Apparatus (AREA)
Abstract
The invention discloses a thermal spraying device and a thermal spraying method for a wear-resistant coating of a flame tube of a gas turbine, and relates to the technical field of spraying devices. The device comprises a device main body, wherein a protective cover is fixed at the top of the device main body, a coating liquid tank is fixed at the top of the protective cover, a conveying pipe is fixed on the side surface of the coating liquid tank, an annular nozzle pipe is fixed at one end of the conveying pipe far away from the coating liquid tank, and the device further comprises a uniform device, wherein the uniform device comprises a screw rod, a groove plate, a sliding plate, a cylinder and a thread block, and the groove plate is fixed at the inner wall of the device main body. The invention makes the mode of conveying and spraying the wear-resistant coating on the flame tube of the gas turbine by the sliding plate and the cylinder through the arrangement of the uniform device, and is different from the traditional mode of conveying the flame tube of the gas turbine by the conveying belt, thereby avoiding the problem of uneven coating caused by the change of the distance between the surface of the flame tube and the spraying nozzle in the process of conveying the flame tube by the conveying belt.
Description
Technical Field
The invention relates to the technical field of spraying devices, in particular to a thermal spraying device and a thermal spraying method for a wear-resistant coating of a flame tube of a gas turbine.
Background
The gas turbine flame tube comprises a flame tube inner wall, a flame tube outer wall sleeved on the periphery of the flame tube inner wall, and a plurality of gas turbine flame tube heads circumferentially arranged between the front ends of the flame tube inner wall and the flame tube outer wall, wherein in the processing process of the gas turbine flame tube, the surface of the gas turbine flame tube is required to be sprayed with a wear-resistant coating.
The patent publication No. CN214115687U discloses a plasma thermal spraying device for an anti-sticking and wear-resistant coating, relates to the technical field of plasma spraying, and aims to solve the problems that the structure is complex and the operation is inconvenient when the conventional plasma thermal spraying device for the anti-sticking and wear-resistant coating is used. A plasma thermal spraying device working box is arranged at the middle position above the stable base, a conveying device is arranged in the plasma thermal spraying device working box, an anti-sticking wear-resistant coating box is arranged on one side above the plasma thermal spraying device working box, an air compressor is arranged on the other side above the plasma thermal spraying device working box, the spraying box is installed in the intermediate position department of plasma thermal spraying device work box top, first motor is installed to the top of spraying box, the gas-supply pipe is installed to one side of spraying box, the conveying pipeline is installed to the below of spraying box one side rear end, the agitator is installed to the top of spraying box inside.
However, the following problems exist in the current thermal spraying apparatus: when the thermal spraying device sprays the wear-resistant coating on the surface of the flame tube of the gas turbine, the wear-resistant coating is sprayed on the flame tube of the gas turbine in a conveying belt mode, and the conveying belt can cause the change of the distance between the surface of the flame tube and a spraying nozzle in the process of conveying the flame tube, so that the coating is uneven.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a thermal spraying device and a thermal spraying method for a wear-resistant coating of a flame tube of a gas turbine, which solve the problem that when the thermal spraying device is used for spraying the wear-resistant coating on the surface of the flame tube of the gas turbine, the wear-resistant coating is sprayed on the flame tube of the gas turbine in a conveying belt mode, and the conveying belt can cause the change of the distance between the surface of the flame tube and a spraying nozzle in the process of conveying the flame tube, so that the coating is uneven.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the gas turbine flame tube wear-resistant coating thermal spraying device comprises a device main body, wherein a protective cover is fixed at the top of the device main body, a coating liquid box is fixed at the top of the protective cover, a conveying pipe is fixed on the side surface of the coating liquid box, an annular nozzle pipe is fixed at one end of the conveying pipe, which is far away from the coating liquid box, and the device further comprises a homogenizing device, a pretreatment device and a deodorizing device;
wherein, even device includes screw rod, strip frid, slide, drum, screw thread piece, the inner wall department at the device main part is fixed to the strip frid, the screw rod passes through the inner wall bottom at the device main part through the frame plate to be fixed, the screw rod passes through motor drive, and the outer wall department at the device main part is fixed to the motor, screw thread piece threaded connection is in the outer wall department of screw rod, and screw thread piece drives the screw thread piece and remove to the right, slide slidable mounting is at the top of strip frid, and the top at the screw thread piece is fixed to the slide, and the screw thread piece drives the slide and removes to the right along the top of strip frid, the drum rotates the top of installing at the slide, and the slide drives the drum and moves in step, when the drum drives gas turbine flame tube and remove annular nozzle pipe below, starts coating liquid case, and the wear-resisting coating liquid among them is carried to annular nozzle pipe blowout through the conveyer pipe to make the wear-resisting coating liquid spray carry out spraying operation at gas turbine flame tube, carry out the mode of conveying wear-resisting coating to gas turbine flame tube through slide and drum, is different from traditional conveyer belt to convey gas turbine flame tube, thereby has avoided the conveyer belt to arouse the uneven problem of flame tube surface to change of flame tube spraying in the transport, and can cause the uneven flame surface to take place.
According to the technical scheme, even device still includes ring gear, U-shaped ratch, the outer wall department at the drum is fixed to the ring gear, and simultaneously when the drum rotates, the drum drives the ring gear synchronous motion, U-shaped ratch is fixed at the top back of strip frid, and ring gear and U-shaped ratch meshing, and U-shaped ratch promotes the ring gear and takes place to rotate, and the ring gear drives the drum and rotates, and the drum drives the flame tube and rotate to make spun wear-resisting coating liquid evenly spray on gas turbine flame tube surface.
According to the technical scheme, the pretreatment device comprises a protruding rod ring, a Z-shaped groove rod, a telescopic scraping plate and a U-shaped column, wherein the protruding rod ring is sleeved outside the cylinder, the protruding rod is fixed on the front surface of the protruding rod ring, the protruding rod of the protruding rod ring is slidably mounted on the inner wall of the device main body, the Z-shaped groove rod is fixed on the front surface of the top of the groove plate, the Z-shaped groove is fixed on the top of the Z-shaped groove rod, the U-shaped column is slidably mounted inside the Z-shaped groove of the Z-shaped groove rod, the protruding rod of the protruding rod ring penetrates through the inside of the U-shaped column, the telescopic scraping plate is fixed on the top of the U-shaped column, the telescopic scraping plate is fixed on the back surface of the telescopic scraping plate under the elastic force of the telescopic scraping plate, and when the cylinder drives the flame tube to rotate, and impurities adhered on the surface of the flame tube are scraped, so that the impurities on the surface of the flame tube can prevent adhesion between a coating and the flame tube from being adhered to each other, and the problem of the coating is avoided; simultaneously when the slide drives the drum and removes, the drum drives the synchronous removal of protruding pole ring, and protruding pole ring promotes the U-shaped post and removes along the inside Z-shaped groove of Z-shaped groove pole, and the U-shaped post drives the telescopic link and removes to the direction of device main part inner wall, and the telescopic link drives flexible scraper blade and keep away from the flame tube outer wall to avoided flexible scraper blade when the flame tube carries out spraying operation, flexible scraper blade still contacts with the flame tube outer wall, leads to flexible scraper blade to destroy the problem of flame tube surface coating.
According to the technical scheme, preprocessing device still includes the protruding ball ring, protruding ball ring is fixed at the top of drum, protruding ball ring's top edge is fixed with a plurality of protruding ball piece, scrapes the in-process to the flame tube surface at flexible scraper blade simultaneously, and the drum drives protruding ball ring synchronous rotation, flexible end bottom of flexible scraper blade is half arcuation setting, the flexible end half arcuation part of flexible scraper blade is located protruding ball piece motion track of protruding ball ring, and protruding ball piece of protruding ball ring promotes the flexible end of flexible scraper blade and stretches the flexible end that the flexible end of flexible pole is driven, when the protruding ball piece of protruding ball ring does not promote the flexible end of flexible scraper blade half arcuation part, under the elasticity effect of flexible pole, the flexible scraper blade of flexible pole drive resets and moves down, so reciprocal to make the flexible pole drive flexible scraper blade and dynamically scrape the foreign matter impurity on the flame tube surface, thereby improved the efficiency of scraping the foreign matter impurity on the flame tube surface.
According to the technical scheme, the deodorizing device comprises a U-shaped shell, a fixed cylinder, an active carbon plate and a negative pressure fan, wherein the U-shaped shell is fixed on the right side of the top of the device main body, the fixed cylinder is fixed on the top of the U-shaped shell, the active carbon plate is fixed above the inner wall of the fixed cylinder, the negative pressure fan is arranged below the inner wall of the fixed cylinder, the negative pressure fan attracts the peculiar smell of the flame tube in the coating liquid spraying process to the direction of the active carbon plate, and the active carbon plate adsorbs the peculiar smell of the coating liquid, so that the problem that the peculiar smell of the coating liquid is scattered in the working environment of workers and inhaled by the workers to influence the physical health of the workers is avoided.
According to the technical scheme, the deodorizing device further comprises a U-shaped groove plate, a Z-shaped rod, two connecting rods and a plurality of fanning plates, wherein the U-shaped groove plate is slidably arranged at the top of the inner wall of the U-shaped shell, one end of the Z-shaped rod is fixed at the bottom of a rotating shaft of the negative pressure fan, meanwhile, when the negative pressure fan rotates, the rotating shaft of the negative pressure fan drives the Z-shaped rod to rotate, the other end of the Z-shaped rod is slidably arranged in the U-shaped groove plate, the Z-shaped rod slides along the inside of the U-shaped groove plate and pushes the U-shaped groove plate to reciprocate left and right along the top of the inner wall of the U-shaped shell, the two connecting rods are respectively fixed at the front face and the back of the U-shaped groove plate, the fanning plates are uniformly and equidistantly arranged on one side, which the two connecting rods are far away from each other, the U-shaped groove plate drives the fanning plates to reciprocate left and right through the connecting rods, and the fanning plates can fann the surface of a flame tube coated with a coating, so that the odor is diffused on the surface of the flame tube, and the negative pressure fan can attract the coating to the direction of the active carbon plate.
A spraying method of a thermal spraying device for a wear-resistant coating of a flame tube of a gas turbine comprises the following steps:
s1, placing a flame tube of a gas turbine on a cylinder;
s2, driving a screw rod to rotate through a motor, wherein the screw rod drives a threaded block to move rightwards, and the threaded block drives a sliding plate to move rightwards along the top of the slot plate;
s3, the sliding plate drives the cylinder to synchronously move, and when the cylinder drives the flame tube of the gas turbine to move below the annular nozzle tube;
s4, starting a coating liquid box, wherein the coating liquid box controls the abrasion-resistant coating liquid in the coating liquid box to be conveyed to the annular nozzle pipe through the conveying pipe to be sprayed out, so that the sprayed abrasion-resistant coating liquid is sprayed on the flame tube of the gas turbine for spraying operation.
The invention provides a thermal spraying device and a thermal spraying method for a wear-resistant coating of a flame tube of a gas turbine. The beneficial effects are as follows:
(1) According to the invention, through the arrangement of the uniform device, the screw 21 drives the threaded block 25 to move rightwards, the threaded block 25 drives the sliding plate 23 to move rightwards along the top of the grooved plate 22, the sliding plate 23 drives the cylinder 24 to move synchronously, when the cylinder 24 drives the gas turbine flame tube to move below the annular nozzle pipe 14, the coating liquid tank 13 is started, the coating liquid tank 13 controls the wear-resistant coating liquid in the coating liquid tank to be conveyed to the annular nozzle pipe 14 through the conveying pipe 12 for spraying, so that the sprayed wear-resistant coating liquid is sprayed on the gas turbine flame tube for spraying, and the mode of conveying the wear-resistant coating to the gas turbine flame tube through the sliding plate 23 and the cylinder 24 is different from the traditional conveying belt for conveying the gas turbine flame tube, so that the problem that the distance between the flame tube surface and a spraying nozzle is changed in the process of conveying belt for conveying the flame tube, and the coating is uneven is avoided; simultaneously, when the cylinder 24 rotates, the cylinder 24 drives the toothed ring 26 to synchronously move, the U-shaped toothed bar 27 pushes the toothed ring 26 to rotate, the toothed ring 26 drives the cylinder 24 to rotate, and the cylinder 24 drives the flame tube to rotate, so that the sprayed wear-resistant coating liquid can be uniformly sprayed on the surface of the flame tube of the gas turbine.
(2) According to the invention, through the arrangement of the pretreatment device, under the elastic force of the telescopic scraping plate 34, the telescopic scraping plate 34 is tightly attached to the outer wall of the flame tube, when the cylinder 24 drives the flame tube to rotate, the telescopic scraping plate 34 scrapes the surface of the flame tube, and the telescopic scraping plate 34 scrapes foreign matter impurities adhered to the surface of the flame tube, so that the problems that the foreign matter impurities on the surface of the flame tube can prevent adhesion between a coating and the flame tube and the adhesive force of the coating is reduced are avoided; meanwhile, when the sliding plate 23 drives the cylinder 24 to move, the cylinder 24 drives the convex rod ring 31 to synchronously move, the convex rod ring 31 pushes the U-shaped column 36 to move along the inner part of the Z-shaped groove rod 32, the U-shaped column 36 drives the telescopic rod 33 to move towards the inner wall of the device main body 1, and the telescopic rod 33 drives the telescopic scraper 34 to be far away from the outer wall of the flame tube, so that the problem that the telescopic scraper 34 damages the surface coating of the flame tube due to the fact that the telescopic scraper 34 is in contact with the outer wall of the flame tube when the flame tube is subjected to spraying operation is avoided; meanwhile, in the scraping process of the telescopic scraping plate 34 on the surface of the flame tube, the cylinder 24 drives the convex ball ring 35 to synchronously rotate, the convex ball block of the convex ball ring 35 pushes the semi-arc-shaped part of the telescopic end of the telescopic scraping plate 34 to drive the telescopic end of the telescopic rod 33 to stretch, and when the convex ball block of the convex ball ring 35 does not push the semi-arc-shaped part of the telescopic end of the telescopic scraping plate 34, the telescopic rod 33 drives the telescopic scraping plate 34 to reset and move downwards under the elastic force of the telescopic rod 33, so that the telescopic rod 33 reciprocates, and accordingly the telescopic scraping plate 34 is driven to dynamically scrape foreign impurities on the surface of the flame tube, and accordingly the scraping efficiency of the foreign impurities on the surface of the flame tube is improved.
(3) According to the invention, through the arrangement of the deodorizing device, the negative pressure fan 44 attracts the peculiar smell of the flame tube in the coating liquid spraying process to the direction of the activated carbon plate 43, and the activated carbon plate 43 can absorb the peculiar smell of the coating liquid, so that the problems that the peculiar smell of the coating liquid drifts in the working environment of workers and is inhaled by the workers to influence the health of the workers are avoided; meanwhile, when the negative pressure fan 44 rotates, the rotating shaft of the negative pressure fan 44 drives the Z-shaped rod 46 to rotate, the Z-shaped rod 46 slides along the inside of the U-shaped groove plate 45 and pushes the U-shaped groove plate 45 to reciprocate left and right along the top of the inner wall of the U-shaped shell 41, the U-shaped groove plate 45 drives the fanning plate 48 to reciprocate left and right through the connecting rod 47, and the fanning plate 48 can fann the surface of the flame tube coated with the coating, so that the emission of the coating peculiar smell on the surface of the flame tube is promoted, and the efficiency of the negative pressure fan 44 for sucking the coating peculiar smell to the direction of the activated carbon plate 43 is indirectly improved.
Drawings
FIG. 1 is a schematic diagram of the overall invention;
FIG. 2 is a schematic view in partial cross-section of the entirety of the present invention;
FIG. 3 is a schematic partial cross-sectional view of a uniformity apparatus in accordance with the present invention;
FIG. 4 is a schematic diagram of a pretreatment device according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4A according to the present invention;
FIG. 6 is a schematic view of a deodorizing device according to the present invention;
fig. 7 is an enlarged schematic view of the structure at B of fig. 6 according to the present invention.
In the figure: 1. a device body; 11. a protective cover; 12. a delivery tube; 13. a coating liquid tank; 14. an annular nozzle tube; 2. a homogenizing device; 21. a screw; 22. a grooved plate; 23. a slide plate; 24. a cylinder; 25. a screw block; 26. a toothed ring; 27. u-shaped toothed bars; 3. a pretreatment device; 31. a cam ring; 32. a Z-shaped groove bar; 33. a telescopic rod; 34. a retractable scraper; 35. a convex ball ring; 36. a U-shaped column; 4. a deodorizing device; 41. a U-shaped shell; 42. a fixed cylinder; 43. an activated carbon plate; 44. a negative pressure fan; 45. u-shaped groove plates; 46. a Z-shaped rod; 47. a connecting rod; 48. a fanning plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-7, one embodiment of the present invention is: the gas turbine flame tube wear-resistant coating thermal spraying device comprises a device main body 1, wherein a protective cover 11 is fixed at the top of the device main body 1, a coating liquid tank 13 is fixed at the top of the protective cover 11, a conveying pipe 12 is fixed on the side surface of the coating liquid tank 13, an annular nozzle pipe 14 is fixed at one end of the conveying pipe 12 far away from the coating liquid tank 13, and the device further comprises a uniformity device 2, a pretreatment device 3 and a deodorizing device 4;
the even device 2 comprises a screw 21, a groove plate 22, a sliding plate 23, a cylinder 24 and a thread block 25, the groove plate 22 is fixed at the inner wall of the device body 1, the screw 21 is fixed at the bottom of the inner wall of the device body 1 through a frame plate, the screw 21 is driven by a motor, the motor is fixed at the outer wall of the device body 1, the thread block 25 is connected with the outer wall of the screw 21 in a threaded manner, the screw 21 drives the thread block 25 to move rightwards, the sliding plate 23 is slidably mounted at the top of the groove plate 22, the sliding plate 23 is fixed at the top of the thread block 25, the sliding plate 25 drives the sliding plate 23 to move rightwards along the top of the groove plate 22, the cylinder 24 is rotatably mounted at the top of the sliding plate 23, the sliding plate 23 drives the cylinder 24 to move synchronously, when the cylinder 24 drives the gas turbine flame tube to move below the annular nozzle tube 14, the coating liquid tank 13 is started, and the coating liquid tank 13 controls the wear-resistant coating liquid therein to be sprayed to the annular nozzle tube 14 through the conveying tube 12, so that the sprayed wear-resistant coating liquid is sprayed on the gas turbine flame tube, the flame tube is sprayed on the gas turbine flame tube, the sliding plate 23 and the sliding plate is mounted on the top of the groove plate 22, and the sliding plate is fixed on the top of the sliding plate, and the sliding plate is different from the top of the sliding plate, and the sliding plate.
The homogenizing device 2 further comprises a toothed ring 26 and a U-shaped toothed bar 27, wherein the toothed ring 26 is fixed at the outer wall of the cylinder 24, meanwhile, when the cylinder 24 rotates, the cylinder 24 drives the toothed ring 26 to synchronously move, the U-shaped toothed bar 27 is fixed at the back surface of the top of the strip groove plate 22, the toothed ring 26 is meshed with the U-shaped toothed bar 27, the U-shaped toothed bar 27 pushes the toothed ring 26 to rotate, the toothed ring 26 drives the cylinder 24 to rotate, and the cylinder 24 drives the flame tube to rotate, so that the sprayed abrasion-resistant coating liquid can be uniformly sprayed on the surface of the flame tube of the gas turbine.
The pretreatment device 3 comprises a protruding rod ring 31, a Z-shaped groove rod 32, a telescopic rod 33, a telescopic scraping plate 34 and a U-shaped column 36, wherein the protruding rod ring 31 is sleeved outside the cylinder 24, the protruding rod is fixed on the front surface of the protruding rod ring 31, the protruding rod of the protruding rod ring 31 is slidably arranged at the inner wall of the device main body 1, the Z-shaped groove rod 32 is fixed on the front surface of the top of the groove plate 22, the Z-shaped groove is fixed on the top of the Z-shaped groove rod 32, the U-shaped column 36 is slidably arranged inside the Z-shaped groove of the Z-shaped groove rod 32, the protruding rod of the protruding rod ring 31 penetrates through the inside of the U-shaped column 36, the telescopic scraping plate 33 is fixed on the top of the U-shaped column 36, the telescopic scraping plate 34 is fixed on the back surface of the telescopic scraping plate 33 under the elastic force of the telescopic scraping plate 34, and when the cylinder 24 drives the flame tube to rotate, the telescopic scraping plate 34 scrapes foreign matters adhered on the surface of the flame tube, and the foreign matters adhered on the flame tube are prevented from being adhered to the flame tube, and the problem of adhesion between the coating and the flame tube is avoided; meanwhile, when the sliding plate 23 drives the cylinder 24 to move, the cylinder 24 drives the convex rod ring 31 to synchronously move, the convex rod ring 31 pushes the U-shaped column 36 to move along the inner part of the Z-shaped groove rod 32, the U-shaped column 36 drives the telescopic rod 33 to move towards the inner wall of the device main body 1, and the telescopic rod 33 drives the telescopic scraper 34 to be far away from the outer wall of the flame tube, so that the problem that the telescopic scraper 34 damages the surface coating of the flame tube due to the fact that the telescopic scraper 34 is in contact with the outer wall of the flame tube when the flame tube is subjected to spraying operation is avoided.
The pretreatment device 3 further comprises a convex ball ring 35, the convex ball ring 35 is fixed at the top of the cylinder 24, a plurality of convex ball blocks are fixed at the top edge of the convex ball ring 35, meanwhile, in the scraping process of the telescopic scraping plate 34 on the surface of the flame tube, the cylinder 24 drives the convex ball ring 35 to synchronously rotate, the bottom of the telescopic end of the telescopic scraping plate 34 is arranged in a semi-arc shape, the semi-arc-shaped part of the telescopic end of the telescopic scraping plate 34 is positioned on the convex ball block motion track of the convex ball ring 35, the convex ball blocks of the convex ball ring 35 push the semi-arc-shaped part of the telescopic end of the telescopic scraping plate 34 to drive the telescopic end of the telescopic rod 33 to stretch, and when the convex ball blocks of the convex ball ring 35 do not push the semi-arc-shaped part of the telescopic end of the telescopic scraping plate 34, the telescopic rod 33 is driven to reset and move downwards under the elastic force of the telescopic rod 33, so that the telescopic rod 33 drives the telescopic scraping plate 34 to dynamically scrape foreign matters on the surface of the flame tube, so that the foreign matters on the surface of the flame tube are scraped.
The deodorizing device 4 comprises a U-shaped shell 41, a fixed cylinder 42, an active carbon plate 43 and a negative pressure fan 44, wherein the U-shaped shell 41 is fixed on the right side of the top of the device main body 1, the fixed cylinder 42 is fixed on the top of the U-shaped shell 41, the active carbon plate 43 is fixed above the inner wall of the fixed cylinder 42, the negative pressure fan 44 is arranged below the inner wall of the fixed cylinder 42, the negative pressure fan 44 attracts peculiar smell of the flame tube in the coating liquid spraying process to the direction of the active carbon plate 43, and the active carbon plate 43 adsorbs the peculiar smell of the coating liquid, so that the problem that the peculiar smell of the coating liquid is scattered in the working environment of workers and inhaled by the workers to influence the physical health of the workers is avoided.
The deodorizing device 4 further comprises a U-shaped groove plate 45, a Z-shaped rod 46, two connecting rods 47 and a plurality of fanning plates 48, wherein the U-shaped groove plate 45 is slidably arranged at the top of the inner wall of the U-shaped shell 41, one end of the Z-shaped rod 46 is fixed at the bottom of a rotating shaft of the negative pressure fan 44, meanwhile, when the negative pressure fan 44 rotates, the rotating shaft of the negative pressure fan 44 drives the Z-shaped rod 46 to rotate, the other end of the Z-shaped rod 46 is slidably arranged in the U-shaped groove plate 45, the Z-shaped rod 46 slides along the inside of the U-shaped groove plate 45 and pushes the U-shaped groove plate 45 to reciprocate left and right along the top of the inner wall of the U-shaped shell 41, the two connecting rods 47 are respectively fixed at the front face and the back of the U-shaped groove plate 45, the fanning plates 48 are uniformly and equidistantly fixed at one side, which is far away from each other, the U-shaped groove plate 45 drives the fanning plates 48 to reciprocate left and right through the connecting rods 47, and the fanning plates 48 can perform fanning on the surface of a flame tube coated with a coating, so that the fanning plate is promoted, the fanning plate 44 can fanning out the coating on the surface of the flame tube, thereby indirectly improving the efficiency of the fanning of the coating on the negative pressure fan 44 in the direction of the active carbon plate 43.
When the gas turbine flame tube is used, the gas turbine flame tube is placed on the cylinder 24, the screw 21 is driven to rotate by the motor, the screw 21 drives the thread blocks 25 to move rightwards, the thread blocks 25 drive the sliding plates 23 to move rightwards along the tops of the grooved plates 22, the sliding plates 23 drive the cylinder 24 to move synchronously, when the cylinder 24 drives the gas turbine flame tube to move below the annular nozzle tube 14, the coating liquid tank 13 is started, the coating liquid tank 13 controls the wear-resistant coating liquid in the coating liquid tank to be conveyed to the annular nozzle tube 14 through the conveying tube 12 for spraying, so that the sprayed wear-resistant coating liquid is sprayed on the gas turbine flame tube for spraying operation, and the mode of conveying the wear-resistant coating to the gas turbine flame tube through the sliding plates 23 and the cylinder 24 is different from the traditional conveying belt for conveying the gas turbine flame tube, so that the problem that the distance between the surface of the flame tube and a spraying nozzle is changed in the process of conveying the flame tube is avoided, and the coating is uneven; simultaneously, when the cylinder 24 rotates, the cylinder 24 drives the toothed ring 26 to synchronously move, the U-shaped toothed bar 27 pushes the toothed ring 26 to rotate, the toothed ring 26 drives the cylinder 24 to rotate, and the cylinder 24 drives the flame tube to rotate, so that the sprayed wear-resistant coating liquid can be uniformly sprayed on the surface of the flame tube of the gas turbine.
Simultaneously, under the elastic force of the telescopic scraping plate 34, the telescopic scraping plate 34 is tightly attached to the outer wall of the flame tube, when the cylinder 24 drives the flame tube to rotate, the telescopic scraping plate 34 scrapes the surface of the flame tube, and foreign matter impurities adhered to the surface of the flame tube are scraped by the telescopic scraping plate 34, so that the problems that the foreign matter impurities on the surface of the flame tube can prevent adhesion between a coating and the flame tube, and the adhesive force of the coating is reduced are avoided; meanwhile, when the sliding plate 23 drives the cylinder 24 to move, the cylinder 24 drives the convex rod ring 31 to synchronously move, the convex rod ring 31 pushes the U-shaped column 36 to move along the inner part of the Z-shaped groove rod 32, the U-shaped column 36 drives the telescopic rod 33 to move towards the inner wall of the device main body 1, and the telescopic rod 33 drives the telescopic scraper 34 to be far away from the outer wall of the flame tube, so that the problem that the telescopic scraper 34 damages the surface coating of the flame tube due to the fact that the telescopic scraper 34 is in contact with the outer wall of the flame tube when the flame tube is subjected to spraying operation is avoided; meanwhile, in the scraping process of the telescopic scraping plate 34 on the surface of the flame tube, the cylinder 24 drives the convex ball ring 35 to synchronously rotate, the convex ball block of the convex ball ring 35 pushes the semi-arc-shaped part of the telescopic end of the telescopic scraping plate 34 to drive the telescopic end of the telescopic rod 33 to stretch, and when the convex ball block of the convex ball ring 35 does not push the semi-arc-shaped part of the telescopic end of the telescopic scraping plate 34, the telescopic rod 33 drives the telescopic scraping plate 34 to reset and move downwards under the elastic force of the telescopic rod 33, so that the telescopic rod 33 reciprocates, and accordingly the telescopic scraping plate 34 is driven to dynamically scrape foreign impurities on the surface of the flame tube, and accordingly the scraping efficiency of the foreign impurities on the surface of the flame tube is improved.
Simultaneously, the negative pressure fan 44 is started, the negative pressure fan 44 attracts the peculiar smell of the flame tube in the coating liquid spraying process to the direction of the activated carbon plate 43, and the activated carbon plate 43 can absorb the peculiar smell of the coating liquid, so that the problem that the peculiar smell of the coating liquid is scattered in the working environment of workers and inhaled by the workers to influence the health of the workers is avoided; meanwhile, when the negative pressure fan 44 rotates, the rotating shaft of the negative pressure fan 44 drives the Z-shaped rod 46 to rotate, the Z-shaped rod 46 slides along the inside of the U-shaped groove plate 45 and pushes the U-shaped groove plate 45 to reciprocate left and right along the top of the inner wall of the U-shaped shell 41, the U-shaped groove plate 45 drives the fanning plate 48 to reciprocate left and right through the connecting rod 47, and the fanning plate 48 can fann the surface of the flame tube coated with the coating, so that the emission of the coating peculiar smell on the surface of the flame tube is promoted, and the efficiency of the negative pressure fan 44 for sucking the coating peculiar smell to the direction of the activated carbon plate 43 is indirectly improved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a gas turbine flame tube wear-resisting coating thermal spraying device, includes device main part (1), the top of device main part (1) is fixed with protection casing (11), the top of protection casing (11) is fixed with coating liquid case (13), the side of coating liquid case (13) is fixed with conveyer pipe (12), the one end that coating liquid case (13) was kept away from to conveyer pipe (12) is fixed with annular nozzle pipe (14), its characterized in that: the device also comprises a homogenizing device (2), a pretreatment device (3) and a deodorizing device (4);
wherein, even device (2) include screw rod (21), strip frid (22), slide (23), drum (24), screw thread piece (25), the inner wall department at device main part (1) is fixed to strip frid (22), screw rod (21) are fixed in the inner wall bottom of device main part (1) through the frame plate, screw rod (21) are through motor drive, and the outer wall department at device main part (1) is fixed to the motor, screw thread piece (25) threaded connection is in the outer wall department of screw rod (21), slide (23) slidable mounting is at the top of strip frid (22), and slide (23) are fixed at the top of screw thread piece (25), drum (24) rotate the top of installing at slide (23).
2. The gas turbine combustor basket wear-resistant coating thermal spraying device of claim 1, wherein: the homogenizing device (2) further comprises a toothed ring (26) and a U-shaped toothed bar (27), wherein the toothed ring (26) is fixed at the outer wall of the cylinder (24), the U-shaped toothed bar (27) is fixed on the back surface of the top of the strip groove plate (22), and the toothed ring (26) is meshed with the U-shaped toothed bar (27).
3. The gas turbine combustor basket wear-resistant coating thermal spraying device of claim 2, wherein: preprocessing device (3) are including protruding pole ring (31), Z-shaped groove pole (32), telescopic link (33), flexible scraper blade (34), U-shaped post (36), the outside at drum (24) is cup jointed to protruding pole ring (31), the front of protruding pole ring (31) is fixed with protruding pole, and protruding pole slidable mounting of protruding pole ring (31) is in the inner wall department of device main part (1), the top front at strip fluted plate (22) is fixed to Z-shaped groove pole (32), and the top of Z-shaped groove pole (32) is fixed with the Z-shaped groove, the inside at the Z-shaped groove of Z-shaped groove pole (32) is installed in U-shaped post (36) is slided to the protruding pole of protruding pole ring (31), the top at U-shaped post (36) is fixed to flexible scraper blade (34), the back at telescopic link (33) is fixed.
4. A gas turbine combustor basket wear-resistant coating thermal spray apparatus as set forth in claim 3, wherein: the pretreatment device (3) further comprises a convex spherical ring (35), and the convex spherical ring (35) is fixed at the top of the cylinder (24).
5. The gas turbine combustor basket wear-resistant coating thermal spraying device according to claim 4, wherein: the top edge of the convex ball ring (35) is fixedly provided with a plurality of convex ball blocks, the bottom of the telescopic end of the telescopic scraper (34) is arranged in a semi-arc shape, and the semi-arc-shaped part of the telescopic end of the telescopic scraper (34) is positioned on the convex ball block movement track of the convex ball ring (35).
6. The gas turbine combustor basket wear-resistant coating thermal spraying device according to claim 5, wherein: the deodorizing device (4) comprises a U-shaped shell (41), a fixing cylinder (42), an active carbon plate (43) and a negative pressure fan (44), wherein the U-shaped shell (41) is fixed on the right side of the top of the device main body (1), the fixing cylinder (42) is fixed on the top of the U-shaped shell (41), the active carbon plate (43) is fixed on the upper portion of the inner wall of the fixing cylinder (42), and the negative pressure fan (44) is arranged below the inner wall of the fixing cylinder (42).
7. The gas turbine combustor basket wear-resistant coating thermal spraying device of claim 6, wherein: the deodorizing device (4) further comprises a U-shaped groove plate (45), a Z-shaped rod (46), two connecting rods (47) and a plurality of fanning plates (48), wherein the U-shaped groove plate (45) is slidably mounted on the top of the inner wall of the U-shaped shell (41), one end of the Z-shaped rod (46) is fixed at the bottom of a rotating shaft of the negative pressure fan (44), the other end of the Z-shaped rod (46) is slidably mounted in the U-shaped groove plate (45), the two connecting rods (47) are respectively fixed on the front face and the back face of the U-shaped groove plate (45), and the fanning plates (48) are uniformly and equidistantly fixed on one side, away from each other, of the two connecting rods (47).
8. A method of spraying a gas turbine combustor basket wear-resistant coating thermal spray device according to any one of claims 1 to 7, wherein: the method comprises the following steps:
s1, placing a flame tube of a gas turbine on a cylinder (24);
s2, driving a screw rod (21) to rotate through a motor, wherein the screw rod (21) drives a threaded block (25) to move rightwards, and the threaded block (25) drives a sliding plate (23) to move rightwards along the top of a grooved plate (22);
s3, driving the cylinder (24) to synchronously move by the sliding plate (23), and when the cylinder (24) drives the flame tube of the gas turbine to move below the annular nozzle tube (14);
s4, starting a coating liquid tank (13), and controlling the wear-resistant coating liquid in the coating liquid tank (13) to be conveyed to an annular nozzle pipe (14) through a conveying pipe (12) to be sprayed, so that the sprayed wear-resistant coating liquid is sprayed on a flame tube of the gas turbine for spraying operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410036046.2A CN117531641B (en) | 2024-01-10 | 2024-01-10 | Thermal spraying device and method for wear-resistant coating of flame tube of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410036046.2A CN117531641B (en) | 2024-01-10 | 2024-01-10 | Thermal spraying device and method for wear-resistant coating of flame tube of gas turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117531641A true CN117531641A (en) | 2024-02-09 |
| CN117531641B CN117531641B (en) | 2024-03-15 |
Family
ID=89788501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410036046.2A Active CN117531641B (en) | 2024-01-10 | 2024-01-10 | Thermal spraying device and method for wear-resistant coating of flame tube of gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117531641B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB223984A (en) * | 1923-07-31 | 1924-10-31 | Hardinge Brothers Inc | Improvements in and relating to oil burners |
| GB395394A (en) * | 1932-01-12 | 1933-07-12 | Daniel Richards | Improvements relating to oil or gas burners |
| GB409392A (en) * | 1932-10-03 | 1934-05-03 | G N Haden & Sons Ltd | Control apparatus for liquid fuel burners |
| RU2406027C1 (en) * | 2009-08-05 | 2010-12-10 | Олег Наилевич Абдразяков | Adjustable heat-protective gas burner |
| CN113915643A (en) * | 2021-11-05 | 2022-01-11 | 西安鑫垚陶瓷复合材料有限公司 | Ceramic matrix composite flame tube and preparation process and tool for inner wall environment barrier coating of ceramic matrix composite flame tube |
| CN117282954A (en) * | 2023-07-11 | 2023-12-26 | 贵州电网有限责任公司 | Thermal spraying powder, preparation method and shearing strength testing device |
-
2024
- 2024-01-10 CN CN202410036046.2A patent/CN117531641B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB223984A (en) * | 1923-07-31 | 1924-10-31 | Hardinge Brothers Inc | Improvements in and relating to oil burners |
| GB395394A (en) * | 1932-01-12 | 1933-07-12 | Daniel Richards | Improvements relating to oil or gas burners |
| GB409392A (en) * | 1932-10-03 | 1934-05-03 | G N Haden & Sons Ltd | Control apparatus for liquid fuel burners |
| RU2406027C1 (en) * | 2009-08-05 | 2010-12-10 | Олег Наилевич Абдразяков | Adjustable heat-protective gas burner |
| CN113915643A (en) * | 2021-11-05 | 2022-01-11 | 西安鑫垚陶瓷复合材料有限公司 | Ceramic matrix composite flame tube and preparation process and tool for inner wall environment barrier coating of ceramic matrix composite flame tube |
| CN117282954A (en) * | 2023-07-11 | 2023-12-26 | 贵州电网有限责任公司 | Thermal spraying powder, preparation method and shearing strength testing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117531641B (en) | 2024-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107052011B (en) | A kind of stepping type escalator glass protecting plate advertisement automation cleaning equipment | |
| CN209793477U (en) | A clearance mechanism for glass edging machine | |
| CN117531641B (en) | Thermal spraying device and method for wear-resistant coating of flame tube of gas turbine | |
| CN210497016U (en) | A painting device for timber apron | |
| CN208839886U (en) | Glue stations is used in a kind of processing of pencil | |
| CN209518029U (en) | Multifunctional sprinkling machine | |
| CN112427210A (en) | Environment-friendly connecting rod processing is with antirust oil application device | |
| CN209406910U (en) | A kind of substrate dust removal machine | |
| CN208178134U (en) | A kind of sheet metal apparatus for correcting | |
| CN209663847U (en) | A kind of cleaning device for metal works | |
| CN215354984U (en) | Plated item washs drying device | |
| CN116536802A (en) | Cleaning device for cleaning card clothing hairbrush | |
| CN207680290U (en) | Unpowered rotation stirring-type putty scrubbing tower | |
| CN215962737U (en) | Environmental treatment device is used in production of brown corundum sand | |
| CN211938329U (en) | Cleaning device for chemical equipment | |
| CN209006277U (en) | A kind of cleaning device of circular screen printer | |
| CN219688278U (en) | Automatic unloading structure of going up of dull and stereotyped UV | |
| CN111041504A (en) | Mechanical cleaning drying device | |
| CN220736599U (en) | Grille cleaning device | |
| CN211337738U (en) | Feeding and conveying device convenient for cleaning belt | |
| CN219555220U (en) | Multi-dimensional linkage cabinet type X-ray machine | |
| CN219805126U (en) | Soil remediation device | |
| CN220746052U (en) | Sand coating device for PVD pretreatment | |
| CN207494136U (en) | A kind of cleaning device of spare parts processing machinery | |
| CN216857537U (en) | Through type cleaning machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |