CN209341284U - A kind of soot blower system for boiler smoke runner - Google Patents
A kind of soot blower system for boiler smoke runner Download PDFInfo
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- CN209341284U CN209341284U CN201920831356.8U CN201920831356U CN209341284U CN 209341284 U CN209341284 U CN 209341284U CN 201920831356 U CN201920831356 U CN 201920831356U CN 209341284 U CN209341284 U CN 209341284U
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- boiler smoke
- steam
- heating surface
- soot blower
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Abstract
The utility model relates to a kind of soot blower systems for boiler smoke runner, including being arranged in the multiple acoustic wave ash ejectors connected on boiler smoke runner inner layers heating surface by header, it further include the steam feed system being connect with header, the packet wall of boiler smoke runner is stretched out in one end of header, and it is connect with steam feed system, the other end stretches to central partition wall, wherein, the spacing being arranged between the acoustic wave ash ejector on the header of boiler smoke runner upper layer heating surface, from header on the direction of one end of nearby packet wall to one end of close central partition wall, and, it is by close on one end to the direction close to one end of rear packet wall of center partition wall to thin.The utility model is according to the practical ash deposition situation of flow of flue gas situation at heating surface and surface, arrangement soot blower on demand, the different arrangement of density is carried out to the acoustic wave ash ejector of upper layer heating surface, the more soot blowings of heating surface at dust stratification are easier to reach, lack soot blowing compared with heating surface at cleaning, improves soot blowing efficiency.
Description
Technical field
The utility model relates to field of boilers, and in particular to a kind of soot blower system for boiler smoke runner.
Background technique
Soot blower is applied in boiler smoke runner, for removing setting for each layer heating surface superficial dust of flue gas flow channel
Standby, the ash deposition on upper layer heating surface surface is often non-uniform, and in the pot for carrying out soot blowing using acoustic wave ash ejector at present
In kiln gas runner, arrangement of each layer acoustic wave ash ejector on header is all evenly arranged, and leads to heating surface two sides in this way
Soot blowing effect is uneven, and the serious place of fouling of heating surface may blow motionless, cause dust stratification serious, influences heating surface heat exchange, and is heated
Area ash gentlier locates then serious wear, leads to the waste of steam.
Utility model content
In view of the above technical problems, the utility model provides a kind of soot blower system for boiler smoke runner.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of soot blowing system for boiler smoke runner
System, including being arranged in the multiple sonic soot blowings connected on the boiler smoke runner inner layers heating surface by header
Device, further includes the steam feed system connecting with the header, and the packet of the boiler smoke runner is stretched out in one end of the header
Wall, and connect with the steam feed system, the other end stretches to central partition wall, wherein is arranged on the boiler smoke runner
The spacing between acoustic wave ash ejector on the header of layer heating surface, from header by one end of nearby packet wall to close to center every
On the direction of one end of wall, and, close to center partition wall one end to close to rear packet wall one end direction on for by it is close to
It dredges.
The beneficial effects of the utility model are: according to the practical ash deposition feelings of flow of flue gas situation at heating surface and surface
Condition arranges soot blower on demand, carries out the different arrangement of density to the acoustic wave ash ejector of upper layer heating surface, is easier to accumulate to reach
The more soot blowings of heating surface at ash lack soot blowing compared with heating surface at cleaning, improve soot blowing efficiency.
Based on the above technical solution, the utility model can also do following improvement.
Further, the header on boiler smoke runner upper layer is from one end by near wall to close to flue gas flow channel centre
One end direction on be divided into three parts, be connected to the value of the spacing between the acoustic wave ash ejector in the three parts of the header
Range is followed successively by 0.4~0.6m, 0.9~1.0m and 1.3~1.5m.
Further, it is connected between the acoustic wave ash ejector on the header of boiler smoke runner lower layer heating surface
Spacing is equal.
Further, it is connected to the value of the spacing between the acoustic wave ash ejector on the header of boiler smoke runner lower layer
Range is 0.4~0.6m.
It further, include N layers of heating surface inside the boiler smoke runner, the M layer of middle and upper part is upper layer, remaining N-M
Layer is lower layer, and the value of M isWhereinIt represents and is rounded downwards.
Further, the acoustic wave ash ejector is arranged in groups on the header.
Further, the steam feed system includes the total road of steam and multiple steam branches, and the one end the steam Zong Lu connects
Gas source is connect, the other end connects the multiple steam branch, and the multiple steam branch is separately connected each inside boiler smoke runner
Header on layer heating surface.
Further, the total road of the steam and each steam branch road are provided with steam-flow meter.
Further, each steam branch road is provided with throttle valve.
Further, the total road of the steam is also disposed with the first shut-off valve, vapor filter, the second shut-off valve, pressure
Power table, motor-driven valve, pressure reducing valve and thermometer；It further include electric device, the electric device connects first shut-off valve.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the soot blower system for boiler smoke runner provided by the embodiment of the utility model；
Fig. 2 is the soot blower arrangement of upper layer heating surface in flue on the left of central partition wall provided by the embodiment of the utility model
Figure；
Fig. 3 is the soot blower arrangement of upper layer heating surface in flue on the right side of central partition wall provided by the embodiment of the utility model
Figure；
Fig. 4 is the soot blower layout drawing of lower layer's heating surface provided by the embodiment of the utility model；
Fig. 5 is the working principle diagram of soot blower system provided by the embodiment of the utility model.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
Fig. 1 is a kind of schematic diagram of the soot blower system for boiler smoke runner provided by the embodiment of the utility model, such as
Shown in Fig. 1, which includes being arranged on the boiler smoke runner inner layers heating surface 101 to connect by header 102
The multiple acoustic wave ash ejectors 103 connect further include the steam feed system (not shown) connecting with the header 102, described
The packet wall of the boiler smoke runner is stretched out in one end of header 102, and connect with the steam feed system, during the other end stretches to
Entreat partition wall 104, wherein the acoustic wave ash ejector 103 being arranged on the header 102 of boiler smoke runner upper layer heating surface 101
Spacing each other, from header 102 on the direction of one end of nearby packet wall 105 to one end of close central partition wall 104, with
And close to one end of central partition wall 104 on the direction close to one end of rear packet wall 106 for by close to thin.
Specifically, as shown in Figure 1, flue is separated by central partition wall 104, the cigarette of two sides in the flue gas flow channel of boiler tail
Respectively there is the heating surface 101 of multilayer complications in road, the header 102 with multiple soot blowers, cigarette are arranged above each layer heating surface
Gas, can be in 101 surface of heating surface generation dust stratification, the present embodiment, in conjunction with heating surface during passing through each layer heating surface 101
Between working medium flowing and practical ash deposition situation, the arrangement of soot blower is optimized.It will practical five layers of soot blower structure letter
Three layers are turned to, can set includes N layers of heating surface inside boiler smoke runner, and the M layer of middle and upper part is upper layer, under remaining N-M layers is
Layer, the value of M areWhereinIt represents and is rounded downwards, then when N is 5, first two layers is upper layer, remaining 3 layers are lower layer,
During two layers of heating surface before flue gas flows through, air velocity is slow on the left of flue, and right side gas flows speed is fast, and dust stratification degree is from a left side
It is gradually aggravated to the right side, the arrangement of soot blower is optimized in the present embodiment, according to the space of flue gas on single-row header
The distribution situation of field of flow and space temperature field, at 104 liang of side flues of heating surface center partition wall entrance by nearby packet wall 105 with
And 103 comparatively dense of soot blower arranged on the right side of central partition wall 104, it is arranged close to central 104 left side of partition wall and rear packet wall 106
Acoustic wave ash ejector 103 it is sparse, on the whole, the spacing between acoustic wave ash ejector 103 is wrapped from header 102 by nearby
One end of wall 105 to one end close to central partition wall 104 direction, and, arrive close to one end of center partition wall 104 close to wrapping afterwards
It is to be easier at dust stratification to dredging to reach heating surface by close on the direction (i.e. positive direction of the x-axis in Fig. 2) of one end of wall 106
More soot blowings, heating surface improve soot blowing efficiency compared with soot blowing few at cleaning.
In the present embodiment, acoustic wave ash ejector is resonant cavity type acoustic wave ash ejector, and the operating pressure of each soot blower is
0.5Mpa uses outer diameter for 110mm, length 310mm, and the sound intensity is greater than 150dB in furnace, meets international standard, sootblowing dielectric is
Dry saturated steam of the temperature at 200~400 degrees Celsius, vapour source are derived from low-temperature reheater inlet header, quantity of steam 0.5~
Between 2.0kg/min, soot blowing axial range is 6~9m, and longitudinal extent is 4~8m, is resistant to 1200 degrees Celsius of high temperature.Header
Length is 10m, and multiple acoustic wave ash ejectors are arranged on single row header, and every two is one group, the sound of this arrangement in groups
Field is wide and uniform.Since sonic soot blowing sound wave efficiency is high, bandwidth, circulation way is spherical diffusion, and it makes use of propagation
In the process the characteristics of diffraction, reflection and refraction.At the same time, soot blowing all standing may be implemented, soot blowing is without dead angle and overall effect
Well, reach boiler operatiopn requirement, improve boiler thermal efficiency.Guarantee during putting into operation exhaust gas temperature in normal interval value,
Soot blower is worked normally, and uses low-down air consumption, not only ensure that smoke moisture not will increase, but also to each portion of flue
Position cleaning is all beneficial.
In the present embodiment, the header on boiler smoke runner upper layer can be divided into three parts, each section includes two groups of soot blowings
Device, Fig. 2 are the soot blower layout drawing on the left of central partition wall in flue, and X1 to X6 is respectively first to the 6th group of soot blower, X1 and
X2 is apart from the farther away soot blower in flue central area, and arrangement interval is between 0.4~0.6m；X3 and X4 is indicated apart from cigarette
The soot blower of road near central regions arranges spacing between 0.9~1.0m；X5 and X6 indicates blowing for flue central area
Grey device arranges spacing between 1.3~1.5m.Fig. 3 is the soot blower layout drawing on the right side of central partition wall in flue, in Fig. 3, X1
The soot blower of flue central area is indicated with X2；X3 and X4 is indicated in the soot blower apart from flue near central regions；X5 and
X6 is that the arrangement spacing between the farther away soot blower in flue central area, soot blower is same as above.
Optionally, in this embodiment, the sound wave being connected on the header of boiler smoke runner lower layer heating surface is blown
Spacing between grey device is equal.
Specifically, since lower layer's heating surface superficial dust situation is more uniform, the acoustic wave ash ejector on header can wait
Spacing arrangement, also, since back-end surfaces flue-gas temperature is low, flow velocity is slow, and Yi Fasheng fouling phenomenon, therefore, spacing can be appropriate
Encryption, spacing range is between 0.4~0.6m.
As shown in figure 4,8 groups of soot blower X1 to X8 of equidistant placement, the spacing of each group exist on the header of third layer heating surface
Between 0.4~0.6m.
Optionally, in this embodiment, the steam feed system includes the total road of steam and multiple steam branches, the steaming
The road Qi Zong one end connects gas source, and the other end connects the multiple steam branch, and the multiple steam branch is separately connected boiler smoke
Header on flow channel inner layers heating surface.
Specifically, steam is sent to each steam branch by the total road of steam by gas source, and eventually by each steam of connection
The header of branch is delivered to each acoustic wave ash ejector.
Optionally, in this embodiment, the total road of the steam and each steam branch road are provided with steam-flow meter, steam
Steam flow meter is used to monitor the steam flow and total steam flow in each header.
Optionally, in this embodiment, each steam branch road is provided with throttle valve, and throttle valve is steamed for controlling
Steam flow amount is kept in a certain range.
Optionally, in this embodiment, the total road of the steam be also disposed with the first shut-off valve, vapor filter,
Second shut-off valve, pressure gauge, motor-driven valve, pressure reducing valve and thermometer；It further include electric device, electric device connection described the
One shut-off valve.
Specifically, Fig. 5 is soot blower system figure, as shown in figure 5, the concrete technology flow process of the soot blower system are as follows: soot blower vapour
Source enters from 1, and vapour source enters 4 entrance of the first shut-off valve, and the first shut-off valve 4 is controlled by electric device 2, the outlet of the second shut-off valve 4
3 entrance of vapor filter is connect, for eliminating the impurity in medium, to protect the normal use of valve and equipment.Vapor filter 3
It is exported to 5 entrance of the second shut-off valve, the second shut-off valve 5 is connected with motor-driven valve 7, adds pressure gauge 6 between the two.Motor-driven valve 7 exports
8 entrance of pressure reducing valve is connect, and steam parameter is measured by thermometer 9.The outlet of pressure reducing valve 8 connects steam-flow meter 26, total for soot blowing
The monitoring of quantity of steam, the outlet of steam-flow meter 26 respectively with access each layer heating surface upper header steam pipework on the throttling that is arranged
Valve import is connected, i.e. throttle valve 10,11,12,17,19,21 and 23, throttle valve for controlling fluid flow, throttle valve 10,
11,12,17,19,21 and 23 are connected with corresponding steam-flow meter 13,14,15,16,18,20 and 22 imports respectively, steam
The outlet of flowmeter is connect with each header respectively, is sent to acoustic wave ash ejector by header and is carried out soot blowing, herein steam-flow meter
For monitoring the steam flow in each header.Boiler sootblowing steam outlet passes through pressure transmitter 24 and drain valve 25, pressure respectively
The signal of transmitter 24 is sent to DCS, checks data to collect control personnel, the pipeline of drain valve 25 leads to hydrophobic development unit, is used for
Recycle working medium.
The soot blower system by solenoid valve, shut-off valve, pressure gauge, thermometer, total steam flow meter, steam partial flowmeter,
The components such as throttle valve, pressure transmitter and drain valve linked together by jet chimney constitute it is a kind of completely new for boiler
The sound wave soot blowing system of soot blower.This system is directed to the deficiency in terms of traffic monitoring of existing sound wave soot blowing system, increases
The monitoring of overall quantity of steam and single layer acoustic wave ash ejector quantity of steam carries out intelligent ash blowing control for system and provides data
Source.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of soot blower system for boiler smoke runner, which is characterized in that including being arranged in the boiler smoke air-flow
The multiple acoustic wave ash ejectors connected on road inner layers heating surface by header further include the steam supply connecting with the header
System, the packet wall of the boiler smoke runner is stretched out in one end of the header, and connect with the steam feed system, the other end
Stretch to central partition wall, wherein be arranged in acoustic wave ash ejector on the header of boiler smoke runner upper layer heating surface each other it
Between spacing, from header by one end of nearby packet wall to the direction of one end close to central partition wall on, and, close to center partition wall
One end to the direction close to one end of rear packet wall on for by close to thin.
2. the soot blower system according to claim 1 for boiler smoke runner, which is characterized in that the boiler smoke air-flow
The header of unexposed layer heating surface is divided into three parts, is connected to the spacing between the acoustic wave ash ejector in the three parts of the header
Value range is followed successively by 0.4~0.6m, 0.9~1.0m and 1.3~1.5m.
3. the soot blower system according to claim 1 for boiler smoke runner, which is characterized in that be arranged in the boiler
The spacing between acoustic wave ash ejector on the header of flue gas flow channel lower layer heating surface is equal.
4. the soot blower system according to claim 3 for boiler smoke runner, which is characterized in that be arranged in the boiler
The value range of the spacing between acoustic wave ash ejector on the header of flue gas flow channel lower layer is 0.4~0.6m.
5. the soot blower system according to claim 1 for boiler smoke runner, which is characterized in that the boiler smoke air-flow
It include N layers of heating surface inside road, the M layer of middle and upper part is upper layer, remaining N-M layers is lower layer, and the value of M isWhereinIt represents and is rounded downwards.
6. the soot blower system according to any one of claims 1 to 5 for boiler smoke runner, which is characterized in that described
Acoustic wave ash ejector is arranged in groups on the header.
7. the soot blower system according to any one of claims 1 to 5 for boiler smoke runner, which is characterized in that described
Steam feed system includes the total road of steam and multiple steam branches, and the one end the steam Zong Lu connects gas source, and the other end connects institute
Multiple steam branches are stated, the multiple steam branch is separately connected the header on boiler smoke runner inner layers heating surface.
8. the soot blower system according to claim 7 for boiler smoke runner, which is characterized in that the total road of steam and
Each steam branch road is provided with steam-flow meter.
9. the soot blower system according to claim 7 for boiler smoke runner, which is characterized in that each steam branch
Road is provided with throttle valve.
10. the soot blower system according to claim 7 for boiler smoke runner, which is characterized in that the total road of steam
On be also disposed with the first shut-off valve, vapor filter, the second shut-off valve, pressure gauge, motor-driven valve, pressure reducing valve and thermometer；
It further include electric device, the electric device connects first shut-off valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920831356.8U CN209341284U (en) | 2019-06-03 | 2019-06-03 | A kind of soot blower system for boiler smoke runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920831356.8U CN209341284U (en) | 2019-06-03 | 2019-06-03 | A kind of soot blower system for boiler smoke runner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209341284U true CN209341284U (en) | 2019-09-03 |
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ID=67763470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920831356.8U Active CN209341284U (en) | 2019-06-03 | 2019-06-03 | A kind of soot blower system for boiler smoke runner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209341284U (en) |
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2019
- 2019-06-03 CN CN201920831356.8U patent/CN209341284U/en active Active
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