CN211854060U - Rotary drum type soot blower - Google Patents
Rotary drum type soot blower Download PDFInfo
- Publication number
- CN211854060U CN211854060U CN202020411200.7U CN202020411200U CN211854060U CN 211854060 U CN211854060 U CN 211854060U CN 202020411200 U CN202020411200 U CN 202020411200U CN 211854060 U CN211854060 U CN 211854060U
- Authority
- CN
- China
- Prior art keywords
- rotary drum
- nozzle
- drum
- branch pipeline
- soot blower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Nozzles (AREA)
Abstract
The utility model discloses a revolve drum-type soot blower, including the branch pipeline, be provided with the manometer on the branch pipeline, the one end of branch pipeline is provided with the solenoid valve, the opposite side of solenoid valve is provided with the ball valve, the top of branch pipeline is provided with revolves the drum nozzle, the spout has been seted up to the bottom of the surface of revolving the drum nozzle, the bottom of revolving the drum nozzle is provided with the base. The utility model relates to a soot blower technical field. The rotary drum type soot blower is a suspended drum soot blower for blowing soot by using a high-pressure medium through distributed rotary drum nozzles, and is arranged at a horizontal flue part of a boiler for blowing soot; the suspended drum soot blower is arranged on a cladding pipe at the bottom of the horizontal flue; the suspended-drum soot blower sweeps the accumulated ash, coking and slagging accumulated on the horizontal flue through high-speed airflow sprayed by the nozzle, so that the swept and suspended ash is taken away with the flue gas, and the problems of accumulated ash, coking and slagging in the horizontal flue area are solved.
Description
Technical Field
The utility model relates to a soot blower technical field specifically is a rotary drum formula soot blower.
Background
The deposition and coking of the power plant boiler are one of the main reasons for influencing the heat transfer efficiency of the heating surface and causing the reduction of the boiler efficiency. Also seriously, when the ash deposition and coking reach a certain degree, the corrosion and unexpected shutdown of the furnace body can be caused, and great economic loss is caused.
The existing boiler soot blowing modes mainly comprise steam soot blowing, sound wave soot blowing, pulse soot blowing and the like, and the steam soot blowing has the problems of small soot blowing radius, small coverage, dead corners of soot blowing due to the problem of arrangement mode, and has the defects of large steam impact attenuation, undesirable soot blowing effect and incomplete soot blowing at the tail end of steam flow; the sound wave soot blower has poor effect of removing coking and slagging of the boiler due to the power limitation of the sound wave soot blower; the medium of the pulse type soot blower is combustible gas and is a combustible and explosive substance, and the boiler is a highly explosion-proof area, so that the pulse soot blower has great personal safety hidden danger to operators. When the pulse soot blower is in operation, the proportion of combustible gas is insufficient, so that the heat exchange tube bundle of the boiler is easily damaged, and the tube explosion is caused. The air flow formed by the pulse soot blower influences the normal flue gas flow of the boiler and generates disturbance on the flue gas flow of the boiler. The pulse soot blower cannot continuously do work, so that soot blowing is not timely and thorough. The shock wave generated by the pulse soot blower is linear wave, which has dead angle and poor soot blowing effect.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a rotary drum formula soot blower has solved and has blown the ash untimely, not thorough, has the dead angle, blows the poor problem of ash effect.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a rotary drum type soot blower comprises a branch pipeline, wherein a pressure gauge is arranged on the branch pipeline, an electromagnetic valve is arranged at one end of the branch pipeline, a ball valve is arranged at the other side of the electromagnetic valve, a rotary drum nozzle is arranged at the top of the branch pipeline, a nozzle is arranged at the bottom of the outer surface of the rotary drum nozzle, a base is arranged at the bottom of the rotary drum nozzle, the top of the base is communicated with the inside of the rotary drum nozzle, the base is arranged on the outer surface of the branch pipeline, and the bottom of the base is communicated with the inside of the branch pipeline;
a suspended-drum soot blower for blowing soot by using a high-pressure medium through distributed rotary-drum nozzles is arranged at the horizontal flue part of the boiler for blowing soot; the suspended drum soot blower is arranged on a cladding pipe at the bottom of the horizontal flue; the suspended-drum soot blower blows off the soot on the bottom cladding pipe of the horizontal flue through a high-speed and high-pressure medium sprayed by the nozzle so as to take away the soot with the flue gas, and sweeps the soot, coking and slagging accumulated on the horizontal flue so as to take away the swept and suspended soot with the flue gas. Solves the problems of dust deposition, coking and slag bonding in the horizontal flue area.
Further, the rotating drum nozzle is in a cylindrical drum shape.
Further, the number of the nozzles is six, the nozzles are arranged in an inclined mode, and the inclined angle is 15 degrees.
Furthermore, the material of the rotary drum nozzle and the branch pipeline is high-temperature-resistant alloy steel, the material of the branch pipeline is 310S, and the material of the rotary drum nozzle is ZGCr25Ni 20.
Further, the both sides of the surface of base all are provided with the chucking soon.
Furthermore, inserting grooves are formed in two sides of the bottom of the rotary drum nozzle, a limiting ring groove is formed in the bottom of the rotary drum nozzle and located at the top of the inserting grooves, and the top of the inserting grooves is communicated with the inside of the limiting ring groove.
Compared with the prior art, the beneficial effects of the utility model are that:
the rotary drum type soot blower enters the inside of a branch pipeline through a sweeping medium with certain pressure, enters a rotary drum nozzle through the branch pipeline, forms an included angle with the bottom of a horizontal flue through the direction of the medium sprayed out from a nozzle on the outer surface of the rotary drum nozzle, forms high-speed airflow through the nozzle on the outer surface of the sweeping medium rotary drum nozzle, enters the bottom of the horizontal flue, and is arranged at the horizontal flue of a boiler for soot blowing by using a suspended drum soot blowing device for performing soot blowing through distributed rotary drum nozzles by using a high-pressure medium; the suspended drum soot blower is arranged on a cladding pipe at the bottom of the horizontal flue; the suspended-drum soot blower sweeps the accumulated ash, coking and slagging accumulated on the horizontal flue through high-speed airflow sprayed by the nozzle, so that the swept and suspended ash is taken away with the flue gas, and the problems of accumulated ash, coking and slagging in the horizontal flue area are solved.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the rotary drum nozzle of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of the spout of FIG. 2 according to the present invention;
fig. 4 is a schematic structural diagram of a second embodiment of the present invention;
fig. 5 is a bottom view of the structure of the rotary drum nozzle of fig. 4 according to the present invention.
In the figure: 1-branch pipeline, 2-pressure gauge, 3-electromagnetic valve, 4-ball valve, 5-rotary drum nozzle, 51-nozzle, 52-base, 6-clamping block, 7-insertion groove and 8-limit ring groove.
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.
First embodiment
Referring to fig. 1-3, the present invention provides a technical solution: a rotary drum type soot blower comprises a branch pipeline 1, wherein a pressure gauge 2 is arranged on the branch pipeline 1, an electromagnetic valve 3 is arranged at one end of the branch pipeline 1, a ball valve 4 is arranged at the other side of the electromagnetic valve 3, a rotary drum nozzle 5 is arranged at the top of the branch pipeline 1, a nozzle 51 is arranged at the bottom of the outer surface of the rotary drum nozzle 5, a base 52 is arranged at the bottom of the rotary drum nozzle 5, the top of the base 52 is communicated with the inside of the rotary drum nozzle 5, the base 52 is arranged on the outer surface of the branch pipeline 1, and the bottom of the base 52 is communicated with the inside of the branch pipeline 1;
a suspended-drum soot blower for blowing soot by using a high-pressure medium through distributed rotary-drum nozzles 5 is arranged at the horizontal flue part of the boiler for blowing soot; the suspended drum soot blower is arranged on a cladding pipe at the bottom of the horizontal flue; the suspended-drum soot blower sweeps the accumulated ash, coking and slagging accumulated on the horizontal flue through high-speed airflow sprayed by the nozzle 51, so that the swept and suspended ash is taken away with the flue gas, and the problems of accumulated ash, coking and slagging in the horizontal flue area are solved;
the arrangement direction of the rotary drum nozzle 5 is vertical to the bottom surface of the horizontal flue, a sweeping medium with certain pressure enters the rotary drum nozzle 5 through the branch pipeline 1, the direction of the medium sprayed out from the nozzle 51 of the rotary drum nozzle 5 and the bottom of the horizontal flue form an included angle of 15 degrees, the sweeping medium forms high-speed airflow through small holes arranged on the rotary drum nozzle 5 and enters the bottom of the horizontal flue, the high-speed sweeping medium sweeps accumulated dust, the accumulated dust is stirred and lifted and then taken away by flowing flue gas, and the branch pipeline 1 is provided with an electromagnetic valve 3 for controlling the start and stop of a soot blower;
the rotary drum soot blower is characterized in that a plurality of rotary drum nozzles 5 are fixed on a branch pipeline 1.
The rotary drum nozzle 5 is in a cylindrical drum shape;
the rotary drum nozzle 5 consists of two parts: the rotary drum and the base 52, the base 52 at the bottom of the rotary drum nozzle 5 is welded with the branch pipeline 1, and the rotary drum is seated on the base 52.
The number of the nozzles 51 is six, and the nozzles 51 are arranged in an inclined mode, and the inclined angle is 15 degrees;
in order to sweep the accumulated dust at the position of the horizontal flue completely, 6 openings are arranged on the nozzle, and the openings form an included angle of 15 degrees with the horizontal direction.
The material of the rotary drum nozzle 5 and the branch pipeline 1 is high-temperature-resistant alloy steel, the material of the branch pipeline 1 is 310S, and the material of the rotary drum nozzle 5 is ZGCr25Ni 20;
the branch pipeline 1 and the rotary drum nozzle 5 are made of high-chromium and high-nickel materials, have good oxidation resistance, corrosion resistance and high temperature resistance, have good high-temperature wear resistance, and are suitable for being used at the horizontal flue part.
During operation, the medium that sweeps through having certain pressure enters into the inside of branch pipeline 1, get into through branch pipeline 1 and revolve drum nozzle 5, the medium direction of spout 51 spun through revolving drum nozzle 5 surface also forms 15 degrees contained angles with horizontal flue bottom, the spout 51 of sweeping medium revolving drum nozzle 5 surface forms high-speed air current and gets into horizontal flue bottom, the medium that sweeps at a high speed sweeps the deposition, make it be taken away by the flue gas that flows after being stirred and kicked up, be equipped with opening of solenoid valve 3 control soot blower on branch pipeline 1 and stop.
Second embodiment
Referring to fig. 4-5 in combination, a second embodiment of the present application proposes another rotary drum type soot blower based on the rotary drum type soot blower provided by the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the rotary drum type soot blower provided by the second embodiment of the present application is different in that clamping blocks 6 are respectively arranged on two sides of the outer surface of the base 52;
the clamping block 6 is arranged to enter the inner part of the guide limit ring groove 8 through the insertion groove 7, so that the rotary drum nozzle 5 is connected with the base 52.
Inserting grooves 7 are formed in two sides of the bottom of the rotary drum nozzle 5, a limiting ring groove 8 is formed in the bottom of the rotary drum nozzle 5, the limiting ring groove 8 is located at the top of the inserting grooves 7, and the top of the inserting grooves 7 is communicated with the inside of the limiting ring groove 8;
the setting of insertion groove 7, the insertion of the chucking piece 6 of being convenient for, make the chucking piece enter into the inside of spacing annular 8, rotate ninety degrees again, chucking piece 6 will form cross arrangement with insertion groove 7, thereby the installation of revolving drum nozzle 5 and base 52 has been accomplished, and it is all very convenient to dismantle the installation, when being convenient for revolve drum nozzle 5 and block up the trouble, can in time obtain clearance or change, and can be provided with the sealing washer by the surface of base 52, guarantee its leakproofness, the sealing washer is located chucking piece 6's below.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A rotary drum soot blower comprises a branch pipe (1), and is characterized in that: be provided with manometer (2) on the branch pipeline (1), the one end of branch pipeline (1) is provided with solenoid valve (3), the opposite side of solenoid valve (3) is provided with ball valve (4), the top of branch pipeline (1) is provided with revolves drum nozzle (5), spout (51) have been seted up to the bottom of the surface of revolving drum nozzle (5), the bottom of revolving drum nozzle (5) is provided with base (52), the top of base (52) with the inside intercommunication of revolving drum nozzle (5), base (52) set up in the surface of branch pipeline (1), and the bottom of base (52) in the inside intercommunication of branch pipeline (1).
2. A rotary drum sootblower as claimed in claim 1, wherein: the rotary drum nozzle (5) is in a cylindrical drum shape.
3. A rotary drum sootblower as claimed in claim 1, wherein: the number of the spray openings (51) is six, and the spray openings (51) are arranged in an inclined mode, and the inclined angle is 15 degrees.
4. A rotary drum sootblower as claimed in claim 1, wherein: the material of the rotary drum nozzle (5) and the branch pipeline (1) is high-temperature-resistant alloy steel, the material of the branch pipeline (1) is 310S, and the material of the rotary drum nozzle (5) is ZGCr25Ni 20.
5. A rotary drum sootblower as claimed in claim 1, wherein: and clamping blocks (6) are arranged on two sides of the outer surface of the base (52).
6. A rotary drum sootblower as claimed in claim 1, wherein: inserting grooves (7) are formed in two sides of the bottom of the rotary drum nozzle (5), limiting ring grooves (8) are formed in the bottom of the rotary drum nozzle (5), the limiting ring grooves (8) are located at the top of the inserting grooves (7), and the top of the inserting grooves (7) is communicated with the inside of the limiting ring grooves (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020411200.7U CN211854060U (en) | 2020-03-27 | 2020-03-27 | Rotary drum type soot blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020411200.7U CN211854060U (en) | 2020-03-27 | 2020-03-27 | Rotary drum type soot blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211854060U true CN211854060U (en) | 2020-11-03 |
Family
ID=73137916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020411200.7U Expired - Fee Related CN211854060U (en) | 2020-03-27 | 2020-03-27 | Rotary drum type soot blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211854060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114440244A (en) * | 2022-02-09 | 2022-05-06 | 浙江大唐乌沙山发电有限责任公司 | Soot blower for horizontal flue of boiler |
-
2020
- 2020-03-27 CN CN202020411200.7U patent/CN211854060U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114440244A (en) * | 2022-02-09 | 2022-05-06 | 浙江大唐乌沙山发电有限责任公司 | Soot blower for horizontal flue of boiler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201154264Y (en) | Chambered orientation blowback bag type collector | |
| CN110486743B (en) | Soot blower for horizontal flue of boiler | |
| US4256511A (en) | High energy wash of ljungstrom air preheater | |
| CN211854060U (en) | Rotary drum type soot blower | |
| CN108393310B (en) | System for cleaning rotary air preheater by using dry ice particles and using method thereof | |
| CN203771443U (en) | Air preheater | |
| CN107676802B (en) | Rotary hood for soot blowing of smoke duct and working method thereof | |
| CN204739615U (en) | Regenerative air preheater prevents stifled ash sealing system in coordination | |
| CN107300185B (en) | Spray head and soot blower | |
| CN212441661U (en) | Planar purging type nozzle of pneumatic soot blowing system of coal-fired boiler | |
| CN212441662U (en) | Conical nozzle of pneumatic soot blowing system of coal-fired boiler | |
| CN212441660U (en) | Cyclone nozzle of pneumatic soot blowing system of coal-fired boiler | |
| CN113483596A (en) | Dry ice cleaning method and dry ice cleaning machine for furnace tube | |
| CN206660858U (en) | A kind of producing gas blower chimney cyclon dust collector device | |
| CN208579649U (en) | Dust pelletizing system applied to furnace cupola | |
| CN201652407U (en) | Air preheater | |
| CN110513713A (en) | A kind of rotary regenerative air preheater and its method for cleaning with clearing function | |
| CN206419978U (en) | A kind of accumulatingdust air preheater for waste incinerator | |
| CN213300118U (en) | Coal fired boiler strength soot blowing system takes circular lower spray pipe formula nozzle | |
| CN216409910U (en) | Swing arm type soot blower | |
| CN203549856U (en) | Pulse self-rotating type ash blower | |
| CN220169476U (en) | Soot blower with turning plate type control structure | |
| CN213930993U (en) | Soot blowing gun barrel of telescopic steam soot blower | |
| CN216203420U (en) | Novel furnace air soot blower of perception | |
| CN218914976U (en) | Dust deposit purging device of air preheater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |