CN112050237B

CN112050237B - Boiler outlet flue structure with ash cleaning holes

Info

Publication number: CN112050237B
Application number: CN202010938710.4A
Authority: CN
Inventors: 刘林; 邓臻璇; 曾晓荣
Original assignee: Hunan Hengxing Environmental Protection Technology Development Co ltd
Current assignee: Hunan Hengxing Environmental Protection Technology Development Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2022-09-20
Anticipated expiration: 2040-09-09
Also published as: CN112050237A

Abstract

The invention provides a boiler outlet flue structure with ash cleaning holes, and relates to the technical field of boiler structures. This boiler outlet flue structure with deashing hole, including the flue main part, the flue main part includes first pipeline, second pipeline, third pipeline, the end and the second pipeline of first pipeline are linked together, the third pipeline is located the below of first pipeline, and third pipeline and first pipeline are linked together, the interior top fixed mounting of first pipeline has water-cooling wall, the interior top of first pipeline and the left side fixed mounting who is located water-cooling wall have a high temperature reheater, the interior top of first pipeline and the right side fixed mounting who is located water-cooling wall have final superheater. Through the rational design to the flue structure for this flue can clear away the smoke and dust of accumulation when using, and can realize further carrying out the deashing to the flue inside through the cooperation that shields the cover and the air vent.

Description

Boiler outlet flue structure with ash cleaning holes

Technical Field

The invention relates to the technical field of boiler structures, in particular to a boiler outlet flue structure with ash cleaning holes.

Background

The boiler is a water container heated on fire, a furnace is a place where fuel is combusted, and the boiler comprises a boiler and a furnace. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator.

The flue structure of the boiler is one of important parts when in use, the high-efficiency operation of the boiler can be ensured through the reasonable design of the flue structure, and the traditional flue structure has certain defects at present, for example, the flue structure used in the past is easy to accumulate more dust through long-term use, and the cleaning is very time-consuming and labor-consuming, so that the development of work is inconvenient.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a boiler outlet flue structure with a dust cleaning hole, which solves the problems that more dust is easily accumulated in the flue structure used in the past after long-term use, and the cleaning is time-consuming and labor-consuming, so that the development of work is inconvenient.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a boiler outlet flue structure with deashing hole, includes the flue main part, the flue main part includes first pipeline, second pipeline, third pipeline, the end and the second pipeline of first pipeline are linked together, the third pipeline is located the below of first pipeline, and the third pipeline is linked together with first pipeline, the interior top fixed mounting of first pipeline has water-cooling wall, the interior top of first pipeline and the left side fixed mounting who is located water-cooling wall have a high temperature reheater, the interior top of first pipeline and the right side fixed mounting who is located water-cooling wall have final superheater, the inside of first pipeline is provided with low temperature reheater, junction between first pipeline and the second pipeline is provided with the interception board, a plurality of air vents have been seted up on the surface of second pipeline, the surface of second pipeline has just been close to the top and has been cup jointed the fender cover, the top of blocking cover is provided with the draught fan, first recess has been seted up to the inside of blocking cover, a plurality of second recesses have been seted up to the internal surface of blocking cover, the mounting groove has been seted up at the top of second pipeline, the inside fixedly connected with electric putter of mounting groove.

Preferably, the first groove is of an annular structure, and the first groove is communicated with the second groove.

Preferably, the movable end of the electric push rod is fixedly connected with a movable straight rod, and the top of the movable straight rod is fixedly connected with the inner top of the shielding cover.

Preferably, the side wall of the shielding cover is fixedly connected with an air inlet pipe, and the air inlet pipe is communicated with the first groove.

Preferably, the second grooves are uniformly distributed on the inner surface of the shielding cover, and the second grooves are matched with the vent holes.

Preferably, the position of the water-cooling wall corresponds to that of the third pipeline, the bottom of the water-cooling wall extends to the inside of the third pipeline, a drain outlet is formed in the bottom of the third pipeline, and a control valve is arranged on the surface of the drain outlet.

Preferably, an air inlet is formed in one end, far away from the second pipeline, of the first pipeline, and the air inlet is connected with an external boiler.

Preferably, an economizer is arranged inside the second pipeline, and the horizontal height of the economizer is located below the vent hole.

Preferably, the input fixedly connected with induction pipe of draught fan, the output fixedly connected with conveyer pipe of draught fan, the one end that the draught fan was kept away from to the conveyer pipe is linked together with the intake pipe.

The working principle is as follows: when the device is used, flue gas enters from the air inlet 5, flows through the high-temperature reheater 7, bypasses the water-cooled wall 6, bypasses the third pipeline 4, deposits in the third pipeline 4, flows through the final superheater 8, sequentially flows through the low-temperature reheater 9, the interception plate 10 and the economizer 11, finally flows out from the vent hole 12, after the device is used for a period of time, more smoke dust can be accumulated in the third pipeline 4, then the control valve 24 is opened, the smoke dust in the third pipeline 4 is discharged from the discharge port 23, meanwhile, the electric push rod 14 is started, the electric push rod 14 enables the shielding cover 16 to descend through the movable straight rod 15, the shielding cover 16 is blocked outside the vent hole 12, at the moment, the vent hole 12 is spliced with the second groove 18, then the induced draft fan 20 is started, and the induced draft fan 20 introduces outside air from the introduction pipe 21, then, the gas is conveyed from the gas inlet pipe 19 to the inside of the first groove 17 through the conveying pipe 22, then the gas entering the first groove 17 is introduced into the inside of the second pipeline 3 from the second groove 18 and the vent hole 12, and then the introduced gas flows from the second pipeline 3 to the first pipeline 2 and flows out from the drain opening 23 of the third pipeline 4, so that a small amount of smoke accumulated at the rest positions in the first pipeline 2 is removed.

(III) advantageous effects

The invention provides a boiler outlet flue structure with an ash cleaning hole. The method has the following beneficial effects:

1. through the rational design to the flue structure for this flue can clear away the accumulated smoke and dust when using, and can realize further carrying out the deashing to the flue inside through the cooperation that shields cover and air vent.

2. Through the design of third pipeline for this flue can increase when discharging fume and be heated long, and can reach the deposited effect of smoke and dust and reduce the difficult degree of later stage deashing, further reduce working strength, and the development smoothly of guarantee work.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a shield according to the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic view of the structure of the flue body of the present invention.

Wherein, 1, the flue main body; 2. a first conduit; 3. a second pipe; 4. a third pipeline; 5. an air inlet; 6. water-cooling the wall; 7. a high temperature reheater; 8. a finishing superheater; 9. a low temperature reheater; 10. a interception plate; 11. a coal economizer; 12. a vent hole; 13. mounting grooves; 14. an electric push rod; 15. a movable straight rod; 16. a shield cover; 17. a first groove; 18. a second groove; 19. an air inlet pipe; 20. an induced draft fan; 21. an inlet tube; 22. a delivery pipe; 23. a drain port; 24. and (4) controlling the valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in fig. 1-4, an embodiment of the present invention provides a boiler outlet flue structure with a soot cleaning hole, including a flue main body 1, where the flue main body 1 includes a first pipe 2, a second pipe 3, and a third pipe 4, where an end of the first pipe 2 is communicated with the second pipe 3, the third pipe 4 is located below the first pipe 2, and the third pipe 4 is communicated with the first pipe 2, so that smoke flows through the third pipe, and thus deposition of smoke is formed, a water-cooling wall 6 is fixedly installed at an inner top of the first pipe 2, when smoke is exhausted, a surface with a lower temperature is obtained, and small particles are condensed on a pipe wall to form dust accumulation, a high-temperature reheater 7 is fixedly installed at the inner top of the first pipe 2 and located at a left side of the water-cooling wall 6, a final superheater 8 is fixedly installed at an inner top of the first pipe 2 and located at a right side of the water-cooling wall 6, a low-temperature reheater 9 is installed inside the first pipe 2, a blocking plate 10 is arranged at the joint between the first pipeline 2 and the second pipeline 3, the net and the blocking escaping smoke and dust are prevented from entering the second pipeline 3 and being discharged to the outside, a plurality of vent holes 12 are arranged on the surface of the second pipeline 3, the gas is convenient to be discharged, and the smoke and dust can be used as a dust cleaning hole, a shielding cover 16 is sleeved on the outer surface of the second pipeline 3 and is close to the top, the shielding cover 16 can be in sliding connection with the outer surface of the second pipeline 3 through a slide rail, meanwhile, the shielding cover 16 is used for shielding the vent holes 12 when cleaning dust, a draught fan 20 is arranged at the top of the shielding cover 16, the gas is convenient to be introduced, a first groove 17 is arranged inside the shielding cover 16, the gas is convenient to be introduced into a second groove 18, a plurality of second grooves 18 are arranged on the inner surface of the shielding cover 16, a mounting groove 13 is arranged at the top of the second pipeline 3, an electric push rod 14 is fixedly connected inside the mounting groove 13, providing the motive force for movement of the mask 16.

The first groove 17 is of an annular structure, and the first groove 17 is communicated with the second groove 18, so that gas can conveniently circulate.

The movable end of the electric push rod 14 is fixedly connected with a movable straight rod 15, the top of the movable straight rod 15 is fixedly connected with the inner top of the shielding cover 16, the shielding cover 16 is controlled to move up and down, and the ash removal purpose is achieved.

The lateral wall fixedly connected with intake pipe 19 of shield cover 16, intake pipe 19 is linked together with first recess 17, and the draught fan 20 of being convenient for is bloied to the inside of flue.

The second grooves 18 are uniformly distributed on the inner surface of the shielding cover 16, and the second grooves 18 are matched with the vent holes 12, so that the gas can conveniently flow in during ash removal.

The position of the water-cooling wall 6 corresponds to that of the third pipeline 4, the bottom of the water-cooling wall 6 extends to the inside of the third pipeline 4, the bottom of the third pipeline 4 is provided with a drain outlet 23, the surface of the drain outlet 23 is provided with a control valve 24, the flowing of the inside of the third pipeline 4 is ensured, and meanwhile, the dust accumulation effect is conveniently realized.

An air inlet 5 is formed in one end, far away from the second pipeline 3, of the first pipeline 2, and the air inlet 5 is connected with an external boiler, so that smoke discharging of a flue is achieved.

The economizer 11 is arranged in the second pipeline 3, the horizontal height of the economizer 11 is located below the vent hole 12, and smoke is guaranteed to flow out of the vent hole 12 after passing through the economizer 11.

The input end fixedly connected with induction pipe 21 of draught fan 20, the output end fixedly connected with conveyer pipe 22 of draught fan 20, the one end that draught fan 20 was kept away from to conveyer pipe 22 is linked together with intake pipe 19, and draught fan 20 bloies to the inside of housing 16 when making things convenient for the deashing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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

1. The utility model provides a boiler outlet flue structure with deashing hole, includes flue main part (1), its characterized in that: the flue main body (1) comprises a first pipeline (2), a second pipeline (3) and a third pipeline (4), the tail end of the first pipeline (2) is communicated with the second pipeline (3), the third pipeline (4) is located below the first pipeline (2), the third pipeline (4) is communicated with the first pipeline (2), a water-cooling wall (6) is fixedly installed at the inner top of the first pipeline (2), a high-temperature reheater (7) is fixedly installed at the left side of the water-cooling wall (6) at the inner top of the first pipeline (2), a final superheater (8) is fixedly installed at the right side of the water-cooling wall (6) at the inner top of the first pipeline (2), a low-temperature reheater (9) is arranged inside the first pipeline (2), a blocking plate (10) is arranged at the joint between the first pipeline (2) and the second pipeline (3), a plurality of air vents (12) have been seted up on the surface of second pipeline (3), the surface of second pipeline (3) and be close to the top and cup jointed shield cover (16), the top of shield cover (16) is provided with draught fan (20), first recess (17) have been seted up to the inside of shield cover (16), a plurality of second recesses (18) have been seted up to the internal surface of shield cover (16), mounting groove (13) have been seted up at the top of second pipeline (3), the inside fixedly connected with electric putter (14) of mounting groove (13).

2. The boiler outlet flue structure with the ash cleaning holes as claimed in claim 1, wherein: the first groove (17) is of an annular structure, and the first groove (17) is communicated with the second groove (18).

3. The boiler outlet flue structure with the ash cleaning holes as claimed in claim 1, wherein: the movable end of the electric push rod (14) is fixedly connected with a movable straight rod (15), and the top of the movable straight rod (15) is fixedly connected with the inner top of the shielding cover (16).

4. The boiler outlet flue structure with the ash cleaning holes as claimed in claim 1, wherein: the side wall of the shielding cover (16) is fixedly connected with an air inlet pipe (19), and the air inlet pipe (19) is communicated with the first groove (17).

5. The boiler outlet flue structure with the ash cleaning holes as claimed in claim 1, wherein: the second grooves (18) are uniformly distributed on the inner surface of the shielding cover (16), and the second grooves (18) are matched with the vent holes (12).

6. The boiler outlet flue structure with the deashing hole of claim 1, wherein: the position of water-cooling wall (6) and third pipeline (4) is corresponding, the bottom of water-cooling wall (6) extends to the inside of third pipeline (4), escape orifice (23) have been seted up to the bottom of third pipeline (4), the surface of escape orifice (23) is provided with control valve (24).

7. The boiler outlet flue structure with the ash cleaning holes as claimed in claim 1, wherein: an air inlet (5) is formed in one end, far away from the second pipeline (3), of the first pipeline (2), and the air inlet (5) is connected with an external boiler.

8. The boiler outlet flue structure with the ash cleaning holes as claimed in claim 1, wherein: an economizer (11) is arranged inside the second pipeline (3), and the horizontal height of the economizer (11) is located below the vent hole (12).

9. The boiler outlet flue structure with the ash cleaning holes as claimed in claim 1, wherein: the input fixedly connected with induction pipe (21) of draught fan (20), the output fixedly connected with conveyer pipe (22) of draught fan (20), the one end that draught fan (20) were kept away from in conveyer pipe (22) is linked together with intake pipe (19).