CN209726237U - A kind of steam soot-blower of rotary regenerative air preheater - Google Patents

A kind of steam soot-blower of rotary regenerative air preheater Download PDF

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Publication number
CN209726237U
CN209726237U CN201920314383.8U CN201920314383U CN209726237U CN 209726237 U CN209726237 U CN 209726237U CN 201920314383 U CN201920314383 U CN 201920314383U CN 209726237 U CN209726237 U CN 209726237U
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CN
China
Prior art keywords
nozzle
branch pipe
air preheater
steam
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
Application number
CN201920314383.8U
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Chinese (zh)
Inventor
孙正睿
王树楼
刘新伟
吴小明
焦裕龙
韩永建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WEIFANG POWER GENERATION CO Ltd OF CHINA HUADIAN Corp
Huadian Weifang Power Generation Co Ltd
Original Assignee
WEIFANG POWER GENERATION CO Ltd OF CHINA HUADIAN Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WEIFANG POWER GENERATION CO Ltd OF CHINA HUADIAN Corp filed Critical WEIFANG POWER GENERATION CO Ltd OF CHINA HUADIAN Corp
Priority to CN201920314383.8U priority Critical patent/CN209726237U/en
Application granted granted Critical
Publication of CN209726237U publication Critical patent/CN209726237U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of steam soot-blowers of rotary regenerative air preheater, comprising: ash gun connects several branch pipes of the ash gun, and several nozzles being arranged on the ash gun and the branch pipe;Inner tube is socketed inside one end of the ash gun, said inner tube free end connects steam sootblower front end, the nozzle includes at least outer nozzle, intermediate noxzzle, interior side nozzle, outside branch pipe nozzle, medial leg nozzle, the branch pipe includes at least outside branch pipe, medial leg, the outside branch pipe, which is located at outer nozzle, is connected to the ash gun, and the medial leg, which is located at intermediate noxzzle, is connected to the ash gun;The utility model can be purged uniformly, and the resistance of heat accumulating element is effectively reduced, and improve heat exchange efficiency.

Description

A kind of steam soot-blower of rotary regenerative air preheater
Technical field
The utility model relates to a kind of equipment applied to air preheater rotor cleaning more particularly to a kind of rotary skies The steam soot-blower of air preheater.
Background technique
Arrange that heat accumulating element, heat accumulating element are rotated synchronously with rotor around central axis on rotary regenerative air preheater rotor, Heat accumulating element absorbs heat, in fume side in First air side and the heat release of Secondary Air side.Steam sootblower is periodically on air preheater rotor Heat accumulating element is purged, and the dust stratification of heat accumulating element is removed, and reduces heat accumulating element resistance, improves heat exchange efficiency.
Steam sootblower is heat power plant boiler and other industry boilers, it is necessary to mating removing boiler heating surface dust stratification, It is one kind of boiler sootblower to improve the energy-saving equipment of boiler thermal efficiency.Air preheater rotor is in central axis rotation, rotor Heat accumulating element linear velocity is different from inside to outside, i.e., the linear velocity at outer side nozzle, intermediate noxzzle, interior side nozzle is different;When When steam passes through outer nozzle, intermediate noxzzle, interior side nozzle purging simultaneously, outside, medial side, inside heat accumulating element are blown by steam The length of time swept is different, outside is most short, it is intermediate take second place, inside longest, cause outside heat accumulating element that cannot sufficiently purge and lead Cause, which blocks, inside heat accumulating element excessively purges causes to damage, and increases heat accumulating element resistance, and heat exchange efficiency reduces.
Summary of the invention
The utility model overcomes the deficiencies in the prior art, provides a kind of steam soot blowing dress of rotary regenerative air preheater It sets.
In order to achieve the above objectives, a kind of the technical solution adopted in the utility model are as follows: steam of rotary regenerative air preheater Soot blower, comprising: ash gun connects several branch pipes of the ash gun, and is arranged in the ash gun and the branch Several nozzles on pipe, which is characterized in that inner tube is socketed inside one end of the ash gun, the connection of said inner tube free end is steamed Vapour soot blower front end, the nozzle include at least outer nozzle, intermediate noxzzle, interior side nozzle, outside branch pipe nozzle, medial leg Nozzle, the branch pipe include at least outside branch pipe, medial leg, and the outside branch pipe, which is located at outer nozzle, is connected to the soot blowing Rifle, the medial leg, which is located at intermediate noxzzle, is connected to the ash gun.
In one preferred embodiment of the utility model, the outside branch pipe is connected to few outside branch pipe nozzle.
In one preferred embodiment of the utility model, the medial leg connects at least one medial leg nozzle.
In one preferred embodiment of the utility model, the ash gun is that inner hollow can pass through the accommodating chamber of steam Body.
In one preferred embodiment of the utility model, the outside branch pipe is the arcuate structure of inner hollow receiving cavity.
In one preferred embodiment of the utility model, the medial leg is the arcuate structure of inner hollow receiving cavity.
In one preferred embodiment of the utility model, outside branch pipe nozzle throat area is the inside nozzle throat area Half.
In one preferred embodiment of the utility model, the medial leg nozzle throat area is the inside nozzle throat area Half.
In one preferred embodiment of the utility model, the free end of the ash gun is arranged in the interior side nozzle.
In one preferred embodiment of the utility model, the steam sootblower front end connects steam unit.
In one preferred embodiment of the utility model, heat accumulating element, accumulation of heat member are arranged on rotary regenerative air preheater rotor Part is rotated synchronously with rotor around central axis, and heat accumulating element absorbs heat, in fume side in First air side and the heat release of Secondary Air side.
In one preferred embodiment of the utility model, the ash gun of steam sootblower is periodically to the accumulation of heat on air preheater rotor Element is purged, and the dust stratification of heat accumulating element is removed, and reduces heat accumulating element resistance, improves heat exchange efficiency.
The utility model solves defect present in background technique, the utility model have it is following the utility model has the advantages that
(1) the steam soot blowing rifle of the utility model rotary regenerative air preheater can make each of same angular velocity on rotor Point is synchronous by steam blowing, it is ensured that on rotor all heat accumulating elements by the purging of same time period, solve it is outer, in, it is interior Purge time section different problems suffered by the heat accumulating element of side, avoiding outside heat accumulating element that from cannot sufficiently purging causes to block, is interior Side heat accumulating element, which excessively purges, to be caused to damage, and can effectively reduce the resistance of heat accumulating element, improves heat exchange efficiency.
(2) the utility model China and foreign countries side branch and medial leg are arcuate structure, can be more in line with the rotational line of rotor, Soot blowing effect is more preferable, and heat dissipation degree is high.
(3) outside branch pipe, medial leg are installed additional by improving in the utility model, calculate arrangement outside branch pipe nozzle, in Between branch pipe nozzle, when steam blowing, each point of same angular velocity is synchronous by steam blowing on rotor, it is ensured that all storages on rotor Thermal element by the purging of same time period, solve it is outer, in, purge time section different problems suffered by the heat accumulating element of inside.
(4) the utility model China and foreign countries side branch nozzle throat area and medial leg nozzle throat area are that the interior side nozzle is horizontal The half in section, can be while not interfering the jet effect of inside nozzle, and better dispersion steam reaches comprehensive Soot blowing effect.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples;
Fig. 1 is the structural schematic diagram of the preferred embodiment of the utility model;
Fig. 2 is the three-dimensional structure diagram of the preferred embodiment of the utility model;
In figure: steam sootblower front end 1;Inner tube 2;Ash gun 3;Outer nozzle 4;Intermediate noxzzle 5;Interior side nozzle 6;Air Preheater rotor 7;Outside branch pipe 8;Outside branch pipe nozzle 9;Medial leg 10;Medial leg nozzle 11;Rotor center axis 12.
Specific embodiment
The utility model is described in further detail presently in connection with drawings and examples, these attached drawings are simplified Schematic diagram only illustrates the basic structure of the utility model in a schematic way, therefore it only shows structure related with the utility model At.
As shown in Figs. 1-2, a kind of steam soot-blower of rotary regenerative air preheater, comprising: ash gun 3 connects soot blowing Several branch pipes of rifle 3, and several nozzles being arranged on ash gun 3 and branch pipe, which is characterized in that the one of ash gun 3 End is internal to be socketed inner tube 2, and 2 free end of inner tube connects steam sootblower front end 1, and nozzle includes at least outer nozzle 4, intermediate noxzzle 5, interior side nozzle 6, outside branch pipe nozzle 9, medial leg nozzle 11, branch pipe include at least outside branch pipe 8, medial leg 10, outside Side branch 8 is located at connection ash gun 3 at outer nozzle 4, and medial leg is located at connection ash gun 3 at intermediate noxzzle 5.
When the utility model is used, outside branch pipe 8 connects at least one outside branch pipe nozzle 9.
When the utility model is used, medial leg 10 connects at least one medial leg nozzle 11.
When the utility model is used, ash gun 3 is that inner hollow can pass through the receiving cavity of steam.
When the utility model is used, outside branch pipe 8 is the arcuate structure of inner hollow receiving cavity.
When the utility model is used, medial leg 10 is the arcuate structure of inner hollow receiving cavity.
When the utility model is used, 9 cross section of outside branch pipe nozzle is the half of interior 6 cross section of side nozzle.
When the utility model is used, 11 cross section of medial leg nozzle is the half of interior 6 cross section of side nozzle.
When the utility model is used, the free end of ash gun 3 is arranged in interior side nozzle 6.
When the utility model is used, steam sootblower front end 1 connects steam unit.
When the utility model is used, arrange that heat accumulating element, heat accumulating element are enclosed with rotor on rotary regenerative air preheater rotor 7 It is rotated synchronously around central axis, heat accumulating element absorbs heat, in fume side in First air side and the heat release of Secondary Air side.
When the utility model is used, the ash gun 3 of steam sootblower periodically carries out the heat accumulating element on air preheater rotor Purging removes the dust stratification of heat accumulating element, reduces heat accumulating element resistance, improves heat exchange efficiency.
It is above enlightenment according to the desirable embodiment of the utility model, through the above description, related personnel is complete Various changes and amendments can be carried out in the range of without departing from this item utility model technical idea.This item utility model Technical scope be not limited to the contents of the specification, it is necessary to determine the technical scope according to the scope of the claims.

Claims (10)

1. a kind of steam soot-blower of rotary regenerative air preheater, comprising: ash gun connects several branch of the ash gun Pipe, and several nozzles being arranged on the ash gun and the branch pipe, which is characterized in that in one end of the ash gun Portion is socketed inner tube, and said inner tube free end connects steam sootblower front end, and the nozzle includes at least outer nozzle, intermediate spray Mouth, interior side nozzle, outside branch pipe nozzle, medial leg nozzle, the branch pipe includes at least outside branch pipe, medial leg, described Outside branch pipe, which is located at outer nozzle, is connected to the ash gun, and the medial leg, which is located at intermediate noxzzle, is connected to the soot blowing Rifle.
2. a kind of steam soot-blower of rotary regenerative air preheater according to claim 1, it is characterised in that: described outer Side branch connects at least one outside branch pipe nozzle.
3. a kind of steam soot-blower of rotary regenerative air preheater according to claim 1, it is characterised in that: in described Between branch pipe connect at least one medial leg nozzle.
4. a kind of steam soot-blower of rotary regenerative air preheater according to claim 1, it is characterised in that: described to blow Grey rifle is that inner hollow can pass through the receiving cavity of steam.
5. a kind of steam soot-blower of rotary regenerative air preheater according to claim 1, it is characterised in that: described outer Side branch is the arcuate structure of inner hollow receiving cavity.
6. a kind of steam soot-blower of rotary regenerative air preheater according to claim 1, it is characterised in that: in described Between branch pipe be inner hollow receiving cavity arcuate structure.
7. a kind of steam soot-blower of rotary regenerative air preheater according to claim 1, it is characterised in that: described outer Side branch nozzle throat area is the half of the inside nozzle throat area.
8. a kind of steam soot-blower of rotary regenerative air preheater according to claim 1, it is characterised in that: in described Between branch pipe nozzle throat area be the inside nozzle throat area half.
9. a kind of steam soot-blower of rotary regenerative air preheater according to claim 1, it is characterised in that: in described The free end of the ash gun is arranged in side nozzle.
10. a kind of steam soot-blower of rotary regenerative air preheater according to claim 1, it is characterised in that: described Steam sootblower front end connects steam unit.
CN201920314383.8U 2019-03-13 2019-03-13 A kind of steam soot-blower of rotary regenerative air preheater Expired - Fee Related CN209726237U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920314383.8U CN209726237U (en) 2019-03-13 2019-03-13 A kind of steam soot-blower of rotary regenerative air preheater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920314383.8U CN209726237U (en) 2019-03-13 2019-03-13 A kind of steam soot-blower of rotary regenerative air preheater

Publications (1)

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CN209726237U true CN209726237U (en) 2019-12-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112032748A (en) * 2020-07-29 2020-12-04 华电电力科学研究院有限公司 Circular lower spray pipe type nozzle of coal-fired boiler pneumatic soot blowing system and soot blowing method
CN112664966A (en) * 2020-12-29 2021-04-16 苏州西热节能环保技术有限公司 Steam jet parameter design method of steam soot blower

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112032748A (en) * 2020-07-29 2020-12-04 华电电力科学研究院有限公司 Circular lower spray pipe type nozzle of coal-fired boiler pneumatic soot blowing system and soot blowing method
CN112664966A (en) * 2020-12-29 2021-04-16 苏州西热节能环保技术有限公司 Steam jet parameter design method of steam soot blower
CN112664966B (en) * 2020-12-29 2022-05-20 苏州西热节能环保技术有限公司 Steam jet parameter design method of steam soot blower

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191203

Termination date: 20210313

CF01 Termination of patent right due to non-payment of annual fee