CN115318509B

CN115318509B - Corrosion-resistant coating spraying device for heating surface of garbage incineration boiler

Info

Publication number: CN115318509B
Application number: CN202211048057.XA
Authority: CN
Inventors: 曲作鹏; 褚景春
Original assignee: Jiangsu Kehuan Innovative Material Co ltd; North China Electric Power University
Current assignee: Jiangsu Kehuan Innovative Material Co ltd; North China Electric Power University
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-07-07
Anticipated expiration: 2042-08-30
Also published as: CN115318509A

Abstract

The invention relates to the technical field of spraying devices, in particular to a corrosion-resistant coating spraying device for a heating surface of a waste incineration boiler, which comprises a supporting transverse frame, telescopic spraying pipes, positioning racks, supporting positioning blocks, nozzle convex rings and return springs, wherein the number of the telescopic spraying pipes is several groups, the telescopic spraying pipes are movably inserted through the supporting transverse frame, the positioning racks are fixedly arranged with the telescopic spraying pipes and are positioned below the telescopic spraying pipes, the supporting positioning blocks are fixedly arranged at the ends of the positioning racks, and the nozzle convex rings are fixedly arranged on the outer surfaces of the telescopic spraying pipes close to one end positions of the outer surfaces of the telescopic spraying pipes; according to the telescopic spraying pipe, the telescopic position can be conveniently adjusted according to the radian of the inner wall of the heating surface of the garbage incineration boiler, so that the distance between each telescopic spraying pipe and the inner wall surface of the heating surface can be kept equal when the telescopic spraying pipes are vertically moved for spraying, and the uniformity of spraying of the corrosion-resistant coating is ensured while the simultaneous operation of a plurality of telescopic spraying pipes is realized.

Description

Corrosion-resistant coating spraying device for heating surface of garbage incineration boiler

Technical Field

The invention relates to the technical field of spraying devices, in particular to a corrosion-resistant coating spraying device for a heating surface of a waste incineration boiler.

Background

The garbage incineration boiler is garbage incineration treatment equipment, the internal heating surface of the garbage incineration boiler is in contact with various garbage, so that corrosion problems are very easy to cause, corrosion-resistant paint needs to be sprayed on the garbage incineration boiler, the inner wall of the garbage incineration boiler is low in spraying efficiency through a single spraying pipe, the production speed is low, a plurality of spraying pipes are usually used for spraying side by side, the spraying speed is greatly increased, the inner wall of the garbage incineration boiler is in use, the spraying pipes close to the two ends are in a cylindrical arc surface, the distance between the inner wall of the garbage incineration boiler and the inner wall of the garbage incineration boiler is relatively short, the problem of uneven spraying exists, and when the spraying pipes are not in use, the corrosion-resistant paint remains in the spraying pipes, and the spraying pipes are easy to be blocked.

Disclosure of Invention

The invention aims to provide a heating surface corrosion-resistant paint spraying device for a waste incineration boiler, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a corrosion-resistant coating spraying device of heating surface that msw incineration boiler used, includes support crossbeams, flexible spraying pipe, location rack, pushes up and hold locating piece, nozzle bulge loop and reset spring, the quantity of flexible spraying pipe has a plurality of groups, and all moves about and alternate through the support crossbeams, location rack with flexible spraying pipe fixed mounting just is located the below of flexible spraying pipe, the tip fixed mounting of location rack has the top to hold the locating piece, the surface of flexible spraying pipe is close to its one end position fixed mounting and has the nozzle bulge loop, the outside of flexible spraying pipe is located the cover between nozzle bulge loop and the support crossbeams and establishes and install reset spring, the outside of support crossbeams is provided with fixed knot structure, fixed knot structure can cooperate with the location rack, with flexible spraying pipe fixed in optional position, the other fixed mounting of flexible spraying pipe has the buffering mixed structure, the buffering mixed structure has the extraction function.

The fixing structure comprises a positioning clamping groove, a rack clamping blade, a lower buckling clamping blade frame, a positioning plugboard, a plugboard sliding groove and a supporting elastic piece.

The positioning clamping groove is formed in the lower surface of the supporting transverse frame, the rack clamping blade is lifted and arranged in the positioning clamping groove, a tooth slot is formed in the lower surface of the positioning rack, the rack clamping blade can be matched with the tooth slot in a clamping position, the lifting movement of the lower buckling clamping blade frame is arranged outside the supporting transverse frame, and the two ends of the rack clamping blade are fixedly mounted with the lower buckling clamping blade frame.

The surface fixed mounting of supporting the crossbearer has the location picture peg, the picture peg spout has been seted up to the surface of buckling card sword frame down, the location picture peg alternates the inside that sets up at the picture peg spout, the upper surface fixed mounting of supporting the crossbearer has the support shell fragment, the perk end of support shell fragment contacts with the lower surface of buckling card sword frame down.

The buffering mixed structure comprises a buffering even box, a high-pressure feeding pipe, an upper limiting ring, a lower limiting ring, a supporting outer ring, a sealing rubber ring, a central ring table, a sealing plugging disc, a sealing rubber disc, a positioning inserting column, an upper pressure disc, a supporting pressure spring, a sealing sleeve, a backflow pressure column, a plugging pressure disc, a sealing ring, a fixed beating disc and a beating disc spring.

The upper portion of the buffering even box is fixedly communicated with the other end of the telescopic spraying pipe, the lower portion of the buffering even box is fixedly communicated with a high-pressure feeding pipe, an upper limiting ring and a lower limiting ring are fixedly arranged on the inner wall surface of the buffering even box, the upper limiting ring is located above the lower limiting ring, and a supporting outer ring is arranged between the upper limiting ring and the lower limiting ring.

The sealing device comprises a buffering uniform box, and is characterized in that a sealing rubber ring is sleeved on the outer surface of the supporting outer ring, the sealing rubber ring is in sealing contact with the inner wall surface of the buffering uniform box, a center ring table is fixedly installed in the supporting outer ring and is in a circular ring shape, a sealing disc is arranged above the center ring table in a lifting mode, a sealing rubber disc is fixedly attached to the lower surface of the sealing disc, a positioning inserting column is fixedly installed on the upper surface of the center ring table, and the positioning inserting column penetrates through the sealing disc.

The upper end surface position of the positioning plug is fixedly provided with an upper pressure plate, and a supporting pressure spring is sleeved and arranged between the sealing plug disc and the upper pressure plate outside the positioning plug.

The upper surface position fixed mounting of the even box of buffering has sealing sleeve, sealing sleeve's inside interlude is provided with the backward flow pressure post, the lower extreme surface position of backward flow pressure post is located the inside fixed mounting of the even box of buffering has the shutoff pressure disk, the upper surface fixed mounting of shutoff pressure disk has the sealing ring, the upper end surface position fixed mounting of backward flow pressure post has fixed clapping disc, the outside of backward flow pressure post is located the cover between fixed clapping disc and the sealing sleeve and establishes and install clapping disc spring.

The lower surface fixed mounting of supporting the crossbearer has the handheld frame, the rack constant head tank has been seted up to the lower surface of supporting the crossbearer, the location rack slides through the rack constant head tank.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the telescopic spraying pipes are arranged, so that the telescopic positions can be conveniently adjusted according to the radian of the inner wall of the heating surface of the garbage incineration boiler, and the distances between each telescopic spraying pipe and the inner wall surface of the heating surface can be kept equal when the telescopic spraying pipes vertically move for spraying, so that the simultaneous operation of a plurality of telescopic spraying pipes is realized, and the uniformity of spraying the corrosion-resistant paint is ensured;

the buffer mixing structure can lead the corrosion-resistant paint to be firstly gathered in the buffer even box before entering the telescopic spraying pipe to be sprayed, and the buffer even box is used for further mixing the corrosion-resistant paint by utilizing high-pressure gas of spraying, thereby avoiding the phenomenon of uneven spraying caused by direct spraying when the uniformity of the small-section paint changes;

after the spraying is finished, the buffer uniform box is utilized to generate suction force, the suction force only acts on the telescopic spraying pipe, residual paint inside the telescopic spraying pipe is sucked and flows back to the buffer uniform box to be stored for next use, and the problem of blockage caused by solidification of residual paint of the telescopic spraying pipe can be avoided while loss is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic partial semi-sectional view of the present invention;

FIG. 3 is an enlarged view of the invention at A in FIG. 2;

FIG. 4 is a partial semi-sectional side view of the present invention;

FIG. 5 is an enlarged view of the invention at B in FIG. 4;

FIG. 6 is an isometric view of the present invention;

fig. 7 is a side view of the present invention.

In the figure: 1. a supporting cross frame; 2. a telescopic spraying pipe; 3. positioning a rack; 4. holding a positioning block; 5. a nozzle collar; 6. a return spring; 101. positioning clamping grooves; 102. a rack clamping blade; 103. a lower buckling blade clamping frame; 104. positioning the plugboard; 105. a plugboard chute; 106. a supporting spring plate; 201. a buffer uniformity box; 202. a high pressure feed pipe; 203. an upper limit ring; 204. a lower stop collar; 205. supporting an outer ring; 206. sealing rubber rings; 207. a center ring table; 208. sealing the sealing disc; 209. a sealing glue tray; 210. positioning the inserted column; 211. an upper platen; 212. supporting a pressure spring; 213. sealing the sleeve; 214. reflux pressing column; 215. plugging the pressure plate; 216. a seal ring; 217. fixing the clapping plate; 218. a disc spring; 107. a hand-held rack; 108. and a rack positioning groove.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides a corrosion-resistant coating spraying device of heating surface that msw incineration boiler used, including supporting crossbearer 1, flexible spraying pipe 2, positioning rack 3, top is held locating piece 4, nozzle bulge loop 5 and reset spring 6, the quantity of flexible spraying pipe 2 has a plurality of groups, and all move about and alternate through supporting crossbearer 1, positioning rack 3 and flexible spraying pipe 2 fixed mounting, and be located the below of flexible spraying pipe 2, the tip fixed mounting of positioning rack 3 has top to hold locating piece 4, the surface of flexible spraying pipe 2 is close to its one end position fixed mounting has nozzle bulge loop 5, the outside of flexible spraying pipe 2 is located the cover between nozzle bulge loop 5 and the supporting crossbearer 1 and is established and install reset spring 6, the outside of supporting crossbearer 1 is provided with fixed knot constructs, fixed knot constructs can cooperate with positioning rack 3, fix flexible spraying pipe 2 in optional position, the other end fixed mounting of flexible spraying pipe 2 has the buffering mixed structure, the buffering mixed structure has the extraction function.

The fixing structure comprises a positioning clamping groove 101, a rack clamping blade 102, a lower buckling clamping blade frame 103, a positioning plugboard 104, a plugboard sliding groove 105 and a supporting elastic sheet 106.

The positioning clamping groove 101 is formed in the lower surface of the supporting transverse frame 1, the rack clamping blade 102 is arranged in the positioning clamping groove 101 in a lifting mode, tooth grooves are formed in the lower surface of the positioning rack 3, the rack clamping blade 102 can be matched with the tooth grooves in a clamping mode, the lower buckling clamping blade frame 103 is arranged outside the supporting transverse frame 1 in a lifting mode, and two ends of the rack clamping blade 102 are fixedly mounted with the lower buckling clamping blade frame 103.

The surface of the supporting transverse frame 1 is fixedly provided with a positioning plugboard 104, the surface of the lower buckling and clamping edge frame 103 is provided with a plugboard sliding groove 105, the positioning plugboard 104 is arranged in the plugboard sliding groove 105 in a penetrating mode, the upper surface of the supporting transverse frame 1 is fixedly provided with a supporting elastic sheet 106, and the tilting end of the supporting elastic sheet 106 is in contact with the lower surface of the lower buckling and clamping edge frame 103.

The buffering mixing structure comprises a buffering uniform box 201, a high-pressure feeding pipe 202, an upper limiting ring 203, a lower limiting ring 204, a supporting outer ring 205, a sealing rubber ring 206, a center ring table 207, a sealing plug disc 208, a sealing rubber disc 209, a positioning plug column 210, an upper pressure disc 211, a supporting pressure spring 212, a sealing sleeve 213, a backflow pressure column 214, a sealing pressure disc 215, a sealing ring 216, a fixed beating disc 217 and a beating disc spring 218.

The upper portion of the buffering even box 201 is fixedly communicated with the other end of the telescopic spraying pipe 2, a high-pressure feeding pipe 202 is fixedly communicated with the lower portion of the buffering even box 201, an upper limiting ring 203 and a lower limiting ring 204 are fixedly installed on the inner wall surface of the buffering even box 201, the upper limiting ring 203 is located above the lower limiting ring 204, and a supporting outer ring 205 is arranged between the upper limiting ring 203 and the lower limiting ring 204.

The outer surface of the support outer ring 205 is sleeved with a sealing rubber ring 206, the sealing rubber ring 206 is in sealing contact with the inner wall surface of the buffering uniform box 201, a center ring table 207 is fixedly installed inside the support outer ring 205, the center ring table 207 is in a circular ring shape, a sealing plug disc 208 is arranged above the center ring table 207 in a lifting mode, a sealing rubber disc 209 is fixedly attached to the lower surface of the sealing plug disc 208, a positioning plug column 210 is fixedly installed on the upper surface of the center ring table 207, and the positioning plug column 210 penetrates through the sealing plug disc 208.

An upper pressure plate 211 is fixedly arranged on the upper end surface of the positioning plunger 210, and a supporting pressure spring 212 is sleeved between the sealing disc 208 and the upper pressure plate 211 outside the positioning plunger 210.

The sealing sleeve 213 is fixedly arranged at the upper surface position of the buffering uniform box 201, the backflow pressing column 214 is inserted into the sealing sleeve 213, the backflow pressing column 214 and the sealing sleeve 213 are in sealing contact through precise fit, the sealing performance of the buffering uniform box 201 is further improved, the plugging pressure plate 215 is fixedly arranged at the lower end surface position of the backflow pressing column 214 and positioned at the inner part of the buffering uniform box 201, the sealing ring 216 is fixedly arranged on the upper surface of the plugging pressure plate 215, the fixed beating disc 217 is fixedly arranged at the upper end surface position of the backflow pressing column 214, the beating disc spring 218 is sleeved between the fixed beating disc 217 and the sealing sleeve 213, and the beating disc spring 218 can support and reset the fixed beating disc 217 after the fixed beating disc 217 is pressed, so that the sealing ring 216 and the inner upper surface of the buffering uniform box 201 are kept in sealing contact, and paint in the buffering uniform box 201 is prevented from overflowing.

The lower surface of the support cross frame 1 is fixedly provided with a handheld frame 107, the lower surface of the support cross frame 1 is provided with a rack positioning groove 108, and the positioning rack 3 slides through the rack positioning groove 108.

When the high-pressure spraying device is used, the high-pressure feeding pipe 202 is respectively connected with an external high-pressure corrosion-resistant coating source through a hose, before spraying, the positions of the telescopic spraying pipes 2 are adjusted and positioned, the lower buckling and clamping edge frame 103 is pressed down, so that the rack buckling and clamping edge 102 is downwards moved to be separated from the positioning rack 3, at the moment, the telescopic spraying pipes 2 and the positioning rack 3 are in an active state, the supporting positioning block 4 is supported on the inner wall surface of the garbage incineration boiler, the telescopic spraying pipes 2 automatically adjust the telescopic length according to the radian of the inner wall of the boiler, the lengths of the telescopic spraying pipes 2 from the inner wall surface of the boiler are the same, at the moment, the lower buckling and clamping edge frame 103 is released, the lower buckling and clamping edge frame 103 moves upwards under the elasticity of the supporting elastic sheet 106, so that the rack buckling and clamping edge 102 is clamped with the positioning rack 3 again, the positioning rack 3 is fixed, the telescopic spraying pipes 2 are simultaneously, the telescopic spraying pipes 107 can be simultaneously and efficiently sprayed on the inner wall surface of the garbage incineration boiler through a spraying device, the inner wall surface of the garbage incineration boiler in a multi-pipe, the spraying device is vertically moved in the spraying process, and the distance from the inner wall surface of the garbage incineration boiler of the telescopic spraying pipe 2 is equal, and the uniformity is guaranteed;

in the spraying process, the paint enters the buffer uniform box 201 through the high-pressure feed pipe 202, the sealing disc 208 is pushed upwards, the supporting pressure spring 212 is compressed, the paint can pass through the center ring table 207 and reach the telescopic spraying pipe 2, the paint flows in the buffer uniform box 201 at a very high speed due to high-pressure driving and is mixed with the paint stored in the buffer uniform box 201, and when the concentration of the paint small sections conveyed in by the high-pressure feed pipe 202 is uneven, the paint is mixed with the paint stored in the buffer uniform box 201, so that the uniformity is improved, and the spraying uniformity is more stable;

after the spraying is finished, the sealing plug disc 208 loses the upward pressure of the coating, and is contacted with the central ring table 207 under the elasticity of the supporting pressure spring 212, so that the central ring table 207 is closed up and down, the fixed beating disc 217 is pressed at the moment, the backflow pressing column 214 is pressed down, the upper surface of the sealing plug disc 208 is pressed down, the sealing plug disc 208 is further pressed tightly, the central ring table 207 is integrally moved down, the upper cavity of the buffering uniform box 201 is further enabled to generate negative pressure, and the telescopic spraying pipe 2 is communicated with the negative pressure, so that residual coating in the telescopic spraying pipe 2 can be sucked out by utilizing the negative pressure, and the residual coating is sucked into the inner part of the buffering uniform box 201 to be stored for mixed use in next spraying, so that loss is reduced, and meanwhile, the blocking of the telescopic spraying pipe 2 is avoided.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a corrosion-resistant coating spraying device of heating surface that msw incineration boiler used, includes support crossbearer (1), flexible spraying pipe (2), positioning rack (3), holds locating piece (4), nozzle bulge loop (5) and reset spring (6), its characterized in that: the quantity of flexible spraying pipe (2) has a plurality of groups, and all the activity interlude is through supporting crossbearer (1), location rack (3) with flexible spraying pipe (2) fixed mounting just is located the below of flexible spraying pipe (2), the tip fixed mounting of location rack (3) has top to hold locating piece (4), the surface of flexible spraying pipe (2) is close to its one end position fixed mounting and has nozzle bulge loop (5), the outside of flexible spraying pipe (2) is located between nozzle bulge loop (5) and supporting crossbearer (1) cover and establishes and install reset spring (6), the outside of supporting crossbearer (1) is provided with fixed knot structure, fixed knot constructs can cooperate with location rack (3), fixes flexible spraying pipe (2) in optional position, the other end fixed mounting of flexible spraying pipe (2) has buffering mixed structure, buffering mixed structure has the extraction function, buffering mixed structure includes buffering even box (201), high feeding pipe (202), upper portion spacing collar (203), lower spacing collar (205), support collar (208), sealing ring (210), sealing plug (212), sealing plug (209), sealing plug (212) and sealing plug (209) The utility model provides a backflow pressure post (214), shutoff pressure disk (215), sealing ring (216), fixed clapping disk (217) and clapping disk spring (218), the upper portion of buffering even box (201) and the other end fixed intercommunication of flexible spraying pipe (2), the fixed intercommunication in lower part of buffering even box (201) is provided with high-pressure feed pipe (202), the inner wall surface position fixed mounting of buffering even box (201) has upper portion spacing collar (203) and lower part spacing collar (204), upper portion spacing collar (203) are located the top of lower part spacing collar (204), be provided with between upper portion spacing collar (203) and lower part spacing collar (204) and support outer lane (205), the surface cover of support outer lane (205) is provided with sealing rubber ring (206), sealing rubber ring (206) with the inner wall surface sealing contact of buffering even box (201), the inside fixed mounting of support outer lane (205) has ring table (207), ring table (207) are the centre-to-centre ring, centre ring table (207) is the top of centre-to-centre spacing collar (208) is provided with sealing ring (208), sealing ring (210) are installed through fixed positioning post (210), the utility model discloses a sealing device for a sealing device of a vacuum pump, including location spliced pole (210), sealing sleeve (213) and sealing sleeve (213), location spliced pole (214) and sealing sleeve (213), location spliced pole (210)'s upper end surface position fixed mounting has upper portion pressure disk (211), the outside of location spliced pole (210) is located sealing plug dish (208) and upper portion pressure disk (211) between the cover establish and install support pressure spring (212), the upper surface position fixed mounting of buffering uniform box (201) has sealing sleeve (213), the inside interlude of sealing sleeve (213) is provided with backward flow spliced pole (214), the lower extreme surface position of backward flow spliced pole (214) is located the inside fixed mounting of buffering uniform box (201) and has shutoff pressure disk (215), the upper surface fixed mounting of shutoff pressure disk (215) has sealing ring (216), the outside of backward flow spliced pole (214) is located fixed clapping disk (217) and sealing sleeve (213) between the cover establish and install clapping disk spring (218), after the spraying, presses fixed clapping disk (217) for backward flow pole (214) pushes down, presses the upper surface of sealing plug dish (208) and further presses down, makes whole sealing plug dish (208) and further the cavity (207) to move down, and make the cavity (201) evenly moves down.

2. The corrosion-resistant paint spraying device for heating surfaces of waste incineration boilers according to claim 1, which is characterized in that: the utility model provides a fixed knot structure includes location draw-in groove (101), rack card sword (102), down detain card sword frame (103), location picture peg (104), picture peg spout (105) and support shell fragment (106), the lower surface position at support crossbearer (1) is seted up to location draw-in groove (101), rack card sword (102) go up and down to set up in the inside of location draw-in groove (101), the tooth's socket has been seted up to the lower surface of location rack (3), rack card sword (102) can cooperate with above-mentioned tooth's socket screens, down detain card sword frame (103) lift activity and set up in the outside of support crossbearer (1), the both ends and the lower knot card sword frame (103) fixed mounting of rack card sword frame (102), the surface fixed mounting of support crossbearer (1) has location picture peg (104), picture peg spout (105) are seted up on the surface of lower knot card sword frame (103), location picture peg (104) set up the inside of inserting in picture peg spout (105), the last surface fixed mounting of support crossbearer (1) can with the outside of buckling card sword frame (106), down detaining card sword (106) contact with lower shell fragment.

3. The corrosion-resistant paint spraying device for heating surfaces of waste incineration boilers according to claim 1, which is characterized in that: the lower surface of the support cross frame (1) is fixedly provided with a handheld frame (107), the lower surface of the support cross frame (1) is provided with a rack positioning groove (108), and the positioning rack (3) slides through the rack positioning groove (108).