CN217737255U - Corrosion-resistant anti-coking ceramic coating structure for boiler heating surface - Google Patents

Abstract

The utility model discloses a boiler receives hot side with corrosion-resistant anti-coking ceramic coating structure, the induction cooker comprises a cooker bod, be equipped with ceramic coating body in the inner wall of furnace body, the upper and lower both ends of furnace body are equipped with feed inlet and discharge gate respectively, fixed mounting has the shell on the outer wall of furnace body, the inside of shell is equipped with toroidal cavity, fixed mounting has annular baffle between toroidal cavity's the upper and lower wall, annular baffle will toroidal cavity separates into inner ring chamber and outer ring chamber, fixed mounting has the pipeline group frame on base and the inside wall of going up on the inside lower wall in outer ring chamber, install down the annular pipe on the base, install the last ring pipe that fits with a contraceptive ring of pipe of installing of pipeline group frame, the utility model relates to a boiler anti-coking technical field can avoid the inside high temperature material of furnace body and low temperature outer ring chamber to separate the furnace body wall and contact, avoids the temperature difference to lead to forming the coking on the furnace body too greatly.

Description

Corrosion-resistant anti-coking ceramic coating structure for boiler heating surface

Technical Field

The utility model relates to a boiler anti-coking technical field specifically is a boiler receives hot side with corrosion-resistant anti-coking ceramic coating structure.

Background

At boiler furnace center, burning flame central temperature is between 1500 to 1700 ℃, the ash in the fuel melts for liquid or is the softened state under such high temperature mostly, because the heat absorption of water-cooling wall, outwards from burning flame center, it is lower more to be close the water-cooling wall temperature, under normal condition, along with the reduction of temperature, the ash will become softened state and then become solid-state from liquid, if the ash still keeps when the softened state just runs into the hot side, owing to receive the cooling and bond on the hot side, form the coking, utility model patent that publication number is CN212537816U discloses a novel wear resistant structure of CFB boiler water-cooling wall, it includes: the water wall pipe and the abrasionproof pouring bed of material, water wall pipe is structure as an organic whole, it is including the straight section on the water wall pipe that from top to bottom connects gradually, straight section under changeover portion and the water wall pipe, in the actual life, the inside temperature of furnace body is higher, the temperature of water wall is lower, therefore the inside material temperature of furnace body descends from inside to outside temperature gradually, form the coking on the inner wall of furnace body, the coking falls down from upper portion because of gravity when melting into the bold, lead to pounding the cold ash bucket water wall, the low-load can arouse the burning unstability or even flame-out because of dropping the bold coke, if when causing the whole coking of water wall, only shut down the stove and carry out artifical coke cleaning, it is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art's not enough, the utility model provides a boiler receives hot side with corrosion-resistant anti coking ceramic coating structure has solved the problem that current device formed the coking easily.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a boiler receives hot side with corrosion-resistant anti-coking ceramic coating structure, includes the furnace body, be equipped with ceramic coating body in the inner wall of furnace body, the upper and lower both ends of furnace body are equipped with feed inlet and discharge gate respectively, fixed mounting has the shell on the outer wall of furnace body, the inside of shell is equipped with the toroidal cavity, fixed mounting has annular baffle between the upper and lower wall of toroidal cavity, the annular baffle will the toroidal cavity separates into inner ring chamber and outer ring chamber, fixed mounting has the pipeline group frame on fixed mounting has base and the inside wall on the inside lower wall in outer ring chamber, install down the toroidal tube on the base, install last annular tube of fitting with a contraceptive ring on the pipeline group frame, be equipped with circulation mechanism on the upper ring venturi tube, fixed mounting has the second base on the inside lower wall in inner ring chamber, fixed mounting has steam conduit on the second base, the top in inner ring chamber is installed the mechanism of giving vent to anger.

Preferably, the circulation mechanism comprises a plurality of upper connecting pipes which are fixedly arranged on the lower wall surface of the upper annular pipe and have the same structure, a plurality of lower connecting pipes which are arranged on the upper wall surface of the lower annular pipe and have the same structure are connected with a plurality of water cooling pipes between the upper connecting pipes which have the same structure and the lower connecting pipes which have the same structure respectively, a liquid inlet pipe and a liquid outlet pipe are fixedly arranged on the upper side and the lower side of the outer wall of the outer annular cavity respectively, one end of the liquid inlet pipe is connected with the upper annular pipe, and one end of the liquid outlet pipe is connected with the lower annular pipe.

Preferably, the air outlet mechanism comprises a plurality of openings with the same structure, which are arranged in the inner wall of the upper end of the inner ring cavity, a plurality of sealing rings are respectively and fixedly arranged in the openings with the same structure, air pipes are respectively and fixedly inserted in the sealing rings with the same structure, an annular bin is fixedly arranged at the upper end of the shell, an air guide pipe is fixedly arranged on the upper wall surface of the annular bin, the upper ends of the air pipes with the same structure are connected with the lower end of the annular bin, and a plurality of steam heads with the same structure are arranged on the upper wall surface of the steam pipeline.

Preferably, an air inlet pipe is fixedly inserted into the lower wall surface of the inner annular cavity, and the upper end of the air inlet pipe is fixedly connected with the lower wall surface of the steam pipeline.

Preferably, the feed inlet and the discharge outlet are positioned on a vertical central line of the furnace body.

Preferably, the number of the upper connecting pipes and the lower connecting pipes with the same structure is the same and the positions of the upper connecting pipes and the lower connecting pipes are corresponding.

Advantageous effects

The utility model provides a boiler receives hot face with corrosion-resistant anti-coking ceramic coating structure, the following beneficial effect is possessed, this device compact structure, be equipped with the inner ring chamber that can fill into hot steam between furnace body and water-cooled tube, fill into when the hot steam that can circulate to flow in the inner ring chamber, can avoid the high temperature material of furnace body inside to contact with low temperature outer ring chamber at the wall of the furnace body, avoid the too big coking that leads to forming on the furnace body of temperature difference, because the temperature of hot steam is less than the inside temperature of furnace body, therefore the effect of cooling also can be played in the hot steam circulation flow, the use of giving people has brought conveniently.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic top view of the steam pipeline and the upper annular pipe according to the present invention.

In the figure: 1. a furnace body; 2. a ceramic coating body; 3. a housing; 4. an annular partition plate; 5. a seal ring; 6. an air tube; 7. an annular bin; 8. a gas-guide tube; 9. a feed inlet; 10. a pipeline group frame; 11. an upper annular tube; 12. a liquid inlet pipe; 13. an upper connecting pipe; 14. a water-cooled tube; 15. a lower connecting pipe; 16. a lower annular tube; 17. a liquid outlet pipe; 18. a base; 19. a second base; 20. a steam head; 21. a steam pipe; 22. and (4) discharging a material outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a boiler receives heat surface with corrosion-resistant anti-coking ceramic coating structure, includes furnace body 1, be equipped with ceramic coating body 2 in the inner wall of furnace body 1, the upper and lower both ends of furnace body 1 are equipped with feed inlet 9 and discharge gate 22 respectively, fixed mounting has shell 3 on the outer wall of furnace body 1, the inside of shell 3 is equipped with the toroidal cavity, fixed mounting has annular baffle 4 between the upper and lower wall of toroidal cavity, annular baffle 4 will the toroidal cavity separates into inner ring chamber and outer ring chamber, fixed mounting has base 18 on the inside lower wall of outer ring chamber and fixed mounting has pipeline group frame 10 on the inside upper wall, install down ring pipe 16 on the base 18, install last ring pipe 11 on the pipeline group frame 10, be equipped with circulation mechanism on last ring pipe 11, fixed mounting has second base 19 on the inside lower wall of inner ring chamber, a steam pipeline 21 is fixedly mounted on the second base 19, a gas outlet mechanism is mounted above the inner ring cavity, the circulation mechanism comprises a plurality of upper connecting pipes 13 which are fixedly mounted on the lower wall surface of the upper ring pipe 11 and have the same structure, a plurality of lower connecting pipes 15 which are arranged on the upper wall surface of the lower ring pipe 16 and have the same structure, water-cooling pipes 14 are respectively connected between the plurality of upper connecting pipes 13 which have the same structure and the plurality of lower connecting pipes 15 which have the same structure, a liquid inlet pipe 12 and a liquid outlet pipe 17 are respectively and fixedly mounted on the upper side and the lower side of the outer ring cavity outer wall, one end of the liquid inlet pipe 12 is connected with the upper ring pipe 11, one end of the liquid outlet pipe 17 is connected with the lower ring pipe 16, the gas outlet mechanism comprises a plurality of openings which are opened in the inner wall of the upper end of the inner ring cavity and have the same structure, and sealing rings 5 are respectively and fixedly mounted in the plurality of the openings which have the same structure, a plurality of trachea 6 is fixed the cartridge respectively in the sealing ring 5 that the structure is the same, the upper end fixed mounting of shell 3 has annular storehouse 7, the last wall fixed mounting of annular storehouse 7 has air duct 8, and is a plurality of trachea 6 upper end that the structure is the same with the lower extreme of annular storehouse 7 is connected, be equipped with the steam head 20 that a plurality of structures are the same on the last wall of steam conduit 21, the lower wall face internal fixation cartridge of inner ring chamber has the intake pipe, the upper end of intake pipe with steam conduit 21's lower wall face fixed connection, feed inlet 9 and discharge gate 22 are located on the vertical center line of furnace body 1, a plurality of last connecting pipe 13 that the structure is the same with lower connecting pipe 15 the same and position is corresponding.

The following working principles, detailed connecting means thereof, and following main descriptions of the working principles and processes shall be referred to by those skilled in the art to connect the components in this case in sequence, and specific connecting and operating sequences thereof.

The embodiment is as follows: when the furnace body 1 needs to be cooled, firstly, hot steam is introduced into the steam pipeline 21 through the air inlet pipe, the steam pipeline 21 discharges the hot steam into the inner ring cavity through the steam head 20, then the hot steam enters the annular bin 7 from the air pipe 6, finally, the hot steam enters the equipment of the next stage from the air guide pipe 8 for centralized treatment, the hot steam is prevented from leaking, then cooling water is introduced into the upper annular pipe 11 from the liquid inlet pipe 12, the cooling water in the upper annular pipe 11 can flow into the water cooling pipe 14 below along the upper connecting pipe 13, the cooling water in the water cooling pipe 14 can enter the lower annular pipe 16 along the lower connecting pipe 15 after heat exchange is completed, and finally, the lower stage is discharged from the liquid outlet pipe 17, the device can prevent the high-temperature material inside the furnace body 1 from contacting with the cold wall to generate coking, and meanwhile, the ceramic coating body 2 can also play a coking prevention function, and is convenient to use.

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

Claims (6)

1. The utility model provides a boiler receives hot side with corrosion-resistant anti-coking ceramic coating structure, includes furnace body (1), its characterized in that, be equipped with ceramic coating body (2) in the inner wall of furnace body (1), the upper and lower both ends of furnace body (1) are equipped with feed inlet (9) and discharge gate (22) respectively, fixed mounting has shell (3) on the outer wall of furnace body (1), the inside of shell (3) is equipped with the toroidal cavity, fixed mounting has annular baffle (4) between the upper and lower wall of toroidal cavity, annular baffle (4) will annular cavity separates interior ring chamber and outer ring chamber, fixed mounting has on base (18) and the inside wall on fixed mounting has pipeline group frame (10) under the inner portion in outer ring chamber, install down ring pipe (16) on base (18), install on pipeline group frame (10) and go up ring pipe (11), be equipped with circulation mechanism on the last ring pipe (11), fixed mounting has second base (19) on the inner portion in inner ring chamber wall down, fixed mounting has steam conduit (21) on second base (19), install the top in the ring chamber.

2. The structure of claim 1, wherein the circulating mechanism comprises a plurality of upper connecting pipes (13) of the same structure fixedly mounted on the lower wall surface of the upper annular pipe (11), a plurality of lower connecting pipes (15) of the same structure are arranged on the upper wall surface of the lower annular pipe (16), a plurality of water-cooled pipes (14) are respectively connected between the upper connecting pipes (13) of the same structure and the lower connecting pipes (15) of the same structure, a liquid inlet pipe (12) and a liquid outlet pipe (17) are respectively fixedly mounted on the upper side and the lower side of the outer wall of the outer annular cavity, one end of the liquid inlet pipe (12) is connected with the upper annular pipe (11), and one end of the liquid outlet pipe (17) is connected with the lower annular pipe (16).

3. The boiler heating surface is with corrosion-resistant anti-coking ceramic coating structure of claim 1, characterized in that, the mechanism of giving vent to anger is including seting up a plurality of openings that the structure is the same in the inner wall of inner ring chamber upper end, and a plurality of fixed mounting has sealing ring (5) respectively in the opening that the structure is the same, and a plurality of fixed cartridge has trachea (6) respectively in the sealing ring (5) that the structure is the same, the upper end fixed mounting of shell (3) has annular storehouse (7), the last wall fixed mounting of annular storehouse (7) has air duct (8), and a plurality of trachea (6) upper end that the structure is the same is connected with the lower extreme of annular storehouse (7), be equipped with a plurality of steam heads (20) that the structure is the same on the last wall of steam conduit (21).

4. The structure of claim 1, wherein an air inlet pipe is fixedly inserted into the lower wall surface of the inner annular cavity, and the upper end of the air inlet pipe is fixedly connected with the lower wall surface of the steam pipeline (21).

5. The structure of corrosion-resistant and coking-resistant ceramic coating for boiler heating surfaces according to claim 1, characterized in that the feed inlet (9) and the discharge outlet (22) are located on the vertical center line of the furnace body (1).

6. The structure of corrosion-resistant and coking-resistant ceramic coating for boiler heating surfaces according to claim 2, characterized in that a plurality of said structurally identical upper connecting pipes (13) and lower connecting pipes (15) are in the same number and in corresponding positions.

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