CN215951466U

CN215951466U - Smoke soot blower for low-temperature economizer

Info

Publication number: CN215951466U
Application number: CN202121836649.9U
Authority: CN
Inventors: 刘福军
Original assignee: Hebei Zhongbenxin Environmental Protection Technology Co ltd
Current assignee: Hebei Zhongbenxin Environmental Protection Technology Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-03-04
Anticipated expiration: 2031-08-09

Abstract

The utility model provides a flue gas soot blower for a low-temperature economizer, which belongs to the technical field of soot blowing of economizers and comprises an annular pipe main body, wherein one side of the top of the annular pipe main body is fixedly connected with an injection pipe, the top of the injection pipe is provided with a valve, the top of the annular pipe main body is provided with an upward soot blowing pipe, and the inner side wall of the annular pipe main body is fixedly connected with an inclined soot blowing pipe. This a flue gas soot blower for low temperature economizer, through the setting of upwards blowing pipe, make the direction of blowing upwards, can blow the ash to the economizer inner wall, can clear up the ash to the economizer inner wall by force, can clear up to hug closely the lime-ash of economizer inner wall and fall, through the setting of slope blowing pipe, make the gas direction in the ring pipe main part slope upwards blow, make the dust in the economizer upwards blow off by the bottom, the more thorough discharge economizer of dust of processing.

Description

Smoke soot blower for low-temperature economizer

Technical Field

The utility model belongs to the technical field of soot blowing, and particularly relates to a flue gas soot blowing device for a low-temperature economizer.

Background

The Economizer (Economizer) is a device which is arranged at the lower part of a flue at the tail part of a boiler and is used for recovering the waste heat of exhausted smoke, water fed by the boiler is heated into a heating surface of saturated water under the pressure of a steam drum, and the Economizer is called as the Economizer because the Economizer absorbs the heat of high-temperature smoke, reduces the exhaust temperature of the smoke, saves energy and improves the efficiency.

The soot is generally generated on the heating surface in the economizer, so that the smoke resistance is increased, the smoke exhaust temperature is increased, and the normal operation of the economizer is seriously influenced. For dust cleaning of an economizer, a shock wave pulse ash blowing pipe is used, the shock wave pulse ash blowing pipe is an ash removing technology and is a product of an ash removing system of the economizer, a steam ash blowing technology which is commonly used at home and abroad is not suitable for removing accumulated ash of the economizer under many conditions, and the ash removing effect is not ideal, mainly because the ash blowing pipe can cause incomplete ash blowing, the accumulated ash and the blockage are more easily caused, sometimes, the corrosion is aggravated, and the method is especially suitable for ash with high calcium content or sulfur content.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flue gas soot blower for a low-temperature economizer, and aims to solve the problems that the prior art is not suitable for cleaning accumulated soot and incomplete soot blowing of the economizer.

In order to achieve the purpose, the utility model provides the following technical scheme: a flue gas soot blower for low temperature economizer, including the annular tube main part, one side fixedly connected with filling tube at annular tube main part top, the valve is installed at the top of filling tube, the top of annular tube main part is provided with the soot blower that makes progress, the inside wall fixedly connected with slope soot blower of annular tube main part, the solid fixed ring of outward flange fixedly connected with of annular tube main part, the fixed orifices has been seted up to solid fixed ring's inside.

Furthermore, the bottom end of the injection pipe is fixedly connected to the top of the annular pipe main body through a first fixing pad.

Furthermore, the top of the valve is provided with a screw handle.

Furthermore, the bottom end of the upward blowing pipe is fixedly connected to the top of the annular pipe main body through a second fixing pad.

Furthermore, the number of the upward blowing pipes is a plurality, and the upward blowing pipes are fixedly connected to the top of the annular pipe main body in an annular array mode.

Furthermore, the caliber of the inclined lance tube is larger than that of the upward lance tube.

Furthermore, the bottom fixedly connected with support column of annular pipe main part, the bottom fixedly connected with supporting pad of support column.

Furthermore, the top end of the injection pipe is bent by 90 degrees, and a threaded connection end is fixedly installed at the top end of the injection pipe.

Compared with the prior art, the utility model has the beneficial effects that:

according to the flue gas soot blowing device for the low-temperature economizer, in the using process, the valve on the injection pipe can control the speed of gas inflow, the blowing force of the flue gas soot blowing device for the low-temperature economizer is effectively controlled, boiler slag in the economizer can be effectively cleaned, the blowing direction is upward through the arrangement of the upward soot blowing pipe, soot blowing can be carried out on the inner wall of the economizer, soot blowing can be forcibly carried out on the inner wall of the economizer, ash slag attached to the inner wall of the economizer can be cleaned, the gas direction in the annular pipe body is obliquely blown upwards through the arrangement of the oblique soot blowing pipe, dust in the economizer is blown upwards from the bottom, and the processed dust is more thoroughly discharged out of the economizer; and then make this a flue gas soot blower for low temperature economizer not only convenient to use, the more thorough lime-ash of clearance moreover makes the soot blowing more even to soot blowing efficiency has been improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a second schematic perspective view of the present invention;

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

FIG. 4 is a schematic top view of the present invention;

fig. 5 is a schematic view of the split structure in fig. 2 according to the present invention.

In the figure: 1. an annular tube body; 2. an injection pipe; 3. a valve; 4. an upward lance tube; 5. inclining the soot blowing pipe; 6. a fixing ring; 7. a fixing hole; 8. a first fixing pad; 9. screwing a hand; 10. a second fixing pad; 11. a support pillar; 12. a support pad; 13. a threaded connection end.

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.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a flue gas soot blower for low temperature economizer, including annular pipe main part 1, one side fixedly connected with injection pipe 2 at 1 top of annular pipe main part, valve 3 is installed at the top of injection pipe 2, and the top of annular pipe main part 1 is provided with upwards blowing pipe 4, and the inside wall fixedly connected with slope blowing pipe 5 of annular pipe main part 1, the solid fixed ring 6 of outward flange fixedly connected with of annular pipe main part 1, fixed ring 6's inside has seted up fixed orifices 7.

In the specific embodiment of the utility model, in the using process of the flue gas soot blower for the low-temperature economizer, the valve 3 on the injection pipe 2 can control the gas inflow speed and effectively control the blowing force of the flue gas soot blower for the low-temperature economizer, the boiler slag in the economizer can be effectively cleaned, the blowing direction is upward through the arrangement of the upward blowing pipe 4, can perform soot blowing on the inner wall of the economizer, can forcibly clean and blow soot on the inner wall of the economizer, can clean ash clinging to the inner wall of the economizer, the gas in the annular tube body 1 is blown upwards in an inclined way through the arrangement of the inclined soot blowing tube 5, and the dust in the coal economizer is blown out from the bottom upwards, the processed dust is discharged out of the coal economizer more thoroughly, through the arrangement of the fixing ring 6 and the fixing hole 7, the flue gas soot blower for the low-temperature economizer can be firmly fixed on the inner wall of the economizer.

Specifically, the bottom end of the injection pipe 2 is fixedly connected to the top of the ring pipe body 1 through a first fixing pad 8.

In this embodiment: the first fixing pad 8 can firmly fix the injection pipe 2 by the arrangement of the first fixing pad 8.

In particular, the top of the valve 3 is provided with a screw handle 9.

In this embodiment: the valve 3 can be controlled by the screwing handle 9, so that the gas entering speed is controlled, and the use is convenient.

Specifically, the bottom end of the upward lance tube 4 is fixedly attached to the top of the ring tube main body 1 by a second fixing pad 10.

In this embodiment: the second fixing pad 10 can firmly fix the updraft pipe 4 by the arrangement of the second fixing pad 10.

Specifically, the number of the upward blowing pipes 4 is several, and the several upward blowing pipes 4 are fixedly connected to the top of the annular pipe body 1 in an annular array.

In this embodiment: the upward soot blowing pipes 4 can blow gas upwards from the annular pipe main body 1, and have a good soot blowing effect on the inner wall of the economizer.

Specifically, the caliber of the inclined lance tube 5 is larger than that of the upward lance tube 4.

In this embodiment: through the arrangement of the inclined soot blowing pipe 5 and the upward soot blowing pipe 4, the flue gas soot blowing device for the low-temperature economizer can be reasonably utilized in structure.

Specifically, the bottom of the annular tube main body 1 is fixedly connected with a support column 11, and the bottom end of the support column 11 is fixedly connected with a support pad 12.

In this embodiment: the flue gas soot blower for the low-temperature economizer plays a supporting role through the arrangement of the supporting columns 11 and the supporting pads 12.

Specifically, the top end of the injection pipe 2 is bent by 90 degrees, and the threaded connection end 13 is fixedly installed at the top end of the injection pipe 2.

In this embodiment: the threaded connection end 13 can be connected with an external air source, so that the flue gas soot blower for the low-temperature economizer can provide gas for use.

The working principle and the using process of the utility model are as follows: in the using process of the flue gas soot blower for the low-temperature economizer, the valve 3 on the injection pipe 2 can control the speed of gas inflow and effectively control the blowing force of the flue gas soot blower for the low-temperature economizer to effectively clean boiler slag in the economizer, the blowing direction is upward through the arrangement of the upward soot blowing pipe 4, soot can be blown to the inner wall of the economizer and forcibly cleaned and blown to the inner wall of the economizer, the ash slag tightly attached to the inner wall of the economizer can be cleaned, the gas direction in the annular pipe main body 1 is obliquely blown upward through the arrangement of the oblique soot blowing pipe 5, dust in the economizer is blown upward from the bottom, the processed dust is more thoroughly discharged out of the economizer, and the flue gas soot blower for the low-temperature economizer is convenient to use and more thorough in cleaning, the soot blowing is more uniform, and the soot blowing efficiency is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A flue gas soot blower for low temperature economizer, including annular pipe main part (1), its characterized in that: one side fixedly connected with filling tube (2) at annular tube main part (1) top, valve (3) are installed at the top of filling tube (2), the top of annular tube main part (1) is provided with upwards blowing pipe (4), inside wall fixedly connected with slope blowing pipe (5) of annular tube main part (1), the solid fixed ring of outward flange fixedly connected with (6) of annular tube main part (1), fixed orifices (7) have been seted up to the inside of solid fixed ring (6).

2. The flue gas soot blower for a low-temperature economizer of claim 1, wherein: the bottom end of the injection pipe (2) is fixedly connected to the top of the annular pipe main body (1) through a first fixing pad (8).

3. The flue gas soot blower for a low-temperature economizer of claim 1, wherein: the top of the valve (3) is provided with a screw handle (9).

4. The flue gas soot blower for a low-temperature economizer of claim 1, wherein: the bottom end of the upward blowing pipe (4) is fixedly connected to the top of the annular pipe main body (1) through a second fixing pad (10).

5. The flue gas soot blower for a low-temperature economizer of claim 1, wherein: the number of the upward blowing pipes (4) is a plurality, and the upward blowing pipes (4) are fixedly connected to the top of the annular pipe main body (1) in an annular array mode.

6. The flue gas soot blower for a low-temperature economizer of claim 1, wherein: the caliber of the inclined soot blowing pipe (5) is larger than that of the upward soot blowing pipe (4).

7. The flue gas soot blower for a low-temperature economizer of claim 1, wherein: the bottom fixedly connected with support column (11) of annular pipe main part (1), the bottom fixedly connected with supporting pad (12) of support column (11).

8. The flue gas soot blower for a low-temperature economizer of claim 1, wherein: the top end of the injection pipe (2) is bent by 90 degrees, and a threaded connection end (13) is fixedly installed at the top end of the injection pipe (2).