CN203116021U - Burner swing device - Google Patents
Burner swing device Download PDFInfo
- Publication number
- CN203116021U CN203116021U CN 201320052685 CN201320052685U CN203116021U CN 203116021 U CN203116021 U CN 203116021U CN 201320052685 CN201320052685 CN 201320052685 CN 201320052685 U CN201320052685 U CN 201320052685U CN 203116021 U CN203116021 U CN 203116021U
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- connecting rod
- burner
- swing
- inside connecting
- nozzle
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Abstract
The utility model discloses a burner swing device which is composed of an external swing mechanism and an interior swing mechanism. The external swing mechanism and the interior swing mechanism are arranged inside a burner wind chamber. The external swing mechanism comprises a swing connecting rod, a driving connecting rod, an inner vertical connecting rod, an inner horizontal connecting rod, a crank and a shaft. The interior swing device comprises a swing arm and an outer connecting rod, one end of the driving connecting rod is connected with the swing connecting rod through a safe pin, the other end of the driving connecting rod is driven by a driving air cylinder, the front end of the inner horizontal connecting rod is connected with a nozzle of the wind chamber, the back end of the inner horizontal connecting rod and one end of the inner vertical connecting rod are simultaneously connected with the crank, and the other end of the inner vertical connecting rod is connected with the swing arm. The burner swing device has the advantages that a primary air burner is fixed in a mechanical mode, the shaft is connected with the swing connecting rod in a non-circular mode, meanwhile, the length of the inner horizontal connecting rod is adjustable, swing failure of the burner is effectively solved, normal operation of the burner is guaranteed, and the burner swing device has the advantages of being reasonable in structure and convenient to use.
Description
Technical field
The utility model relates to a kind of burner pendulous device, belongs to technical field of burner.
Background technology
At present, what the 300MW of home-made imported type, 600MW boiler had put into operation has hundreds of, and wherein there is the swing fault in the considerable part burner.Boiler put into operation after a period of time, can't accomplish that all nozzles all can swing, and inconsistent with layer nozzle oscillation angle, the phenomenon that has a down dip appears in portion nozzle, causes blowing out when serious.Connecting rod and safety pin in the swing mechanism frequently rupture, part spout and connecting rod bite, pneumatic actuator gas leakage.Be forced at last burner nozzle is fixed, reheated steam temperature regulating measure changes water spray into by tilting burner.The vapor absorption that produces to reheater water spray flue gas heat but have neither part nor lot in the steam turbine high-pressure cylinder work done, only in the work done of mesolow cylinder, cause entropy to increase, whole circulation efficient is reduced.To 300MW hot unit again, boiler reheater will make efficiency of thermal cycle reduce about 0.5% with watering temperature adjustment, the efficient of considering whole thermodynamic cycle only about 40%, the ineffective enormous economic loss that causes of temperature adjustment means.
Cause the Furnace Aerodynamic Field disorder with the asynchronous meeting of swing between layer burner or each the angle burner, make the water-cooling wall coking, influence furnace heat transfer, influence fuel fire or make unburned carbon in flue dust become big, reduce boiler efficiency.
Cause the swing cause faults to have: 1. wind combustor is subjected to the external force effect and move, make swing mechanism be out of shape, stuck; 2. connect with two keys between axle and the swing connecting bar, very high to accuracy of manufacture requirement, general manufactory is difficult to reach, and singly-bound is stressed often in actual the use, has also just been lost efficacy in case key cuts off swing mechanism, and the burner temperature distortion makes between axle and the bearing stuck; 3. the vertical length of connecting rod in the burner is unadjustable, is difficult to adapt to foozle; 4. the bearing that bears hyperthermia radiation is unlubricated.
The utility model content
The purpose of this utility model is to provide a kind of burner pendulous device, can solve the swing fault of burner, guarantees the burner operate as normal.
The purpose of this utility model is achieved through the following technical solutions: a kind of burner pendulous device, it is made up of the exterior oscillations mechanism and the internal pendulum actuation mechanism that are arranged in the burner air compartment, the burner air compartment distributes along short transverse along burner, be provided with a plurality of air compartments in the burner, air compartment is divided into air compartment and secondary air chamber, a wind nozzle is installed in the air compartment, secondary air chamber is installed overfire air jet, in wind nozzle and the overfire air jet bearing is installed, exterior oscillations mechanism comprises swing connecting bar, drive link, vertical inside connecting rod, horizontal inside connecting rod, crank and axle, the internal pendulum actuation mechanism comprises swing arm and outside connecting rod, swing connecting bar and drive link are installed in an end of axle, crank is installed in the other end of axle, one end of drive link links to each other with swing connecting bar by safety pin, the other end of drive link is by driving air cylinder driven, the front end of horizontal inside connecting rod links to each other with the nozzle of air compartment, the rear end of horizontal inside connecting rod is with vertically the end while of inside connecting rod links to each other with crank, vertically the other end of inside connecting rod links to each other with swing arm, and the other end of swing arm links to each other with outside connecting rod.
On the described axle dial is installed also.
Described vertical inside connecting rod links to each other with crank by square head shaft.
Described overfire air jet directly is fixed on two channel-section steels of burner front portion.
A described wind nozzle comprises nozzle body and nozzle head, nozzle body is circle side's transition shape, one end of nozzle body side links to each other with nozzle head by the movable sealing box of a fit with nozzle head swing, and nozzle head is installed on the nozzle body, and nozzle body is installed on the support of burner.
Adopt non-round mode to connect between described swing connecting bar and the axle.
Described bearing is high temperature self-lubricating bearing.
Described horizontal inside connecting rod and vertical inside connecting rod are the length adjustable connecting rod.
The surface that described horizontal inside connecting rod contacts with bearing is curved surface, and the surface that horizontal inside connecting rod contacts with bearing is provided with anti oxidation layer.
The beneficial effects of the utility model are: adopt wind combustor of mechanical fixation, adopt non-round mode to connect between axle and the swing connecting bar, horizontal inside connecting rod adjustable length of while, efficiently solve the swing fault of burner, guarantee the operate as normal of burner, and had characteristics rational in infrastructure, easy to use.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the exploded view of the utility model exterior oscillations mechanism;
Fig. 3 is a wind structure of nozzle of the utility model schematic diagram;
Fig. 4 is the structural representation of the horizontal inside connecting rod of the utility model;
Fig. 5 is the partial schematic diagram of the horizontal inside connecting rod of the utility model.
Wherein, 1-swing connecting bar, 2-drive link, the vertical inside connecting rod of 3-, the horizontal inside connecting rod of 4-, 5-crank, the 6-swing arm, 7-outside connecting rod, 8-axle, 9-safety pin, 10-square head shaft, 11-nozzle body, the 12-nozzle head, 13-movable sealing box, 14-anti oxidation layer, 15-support, 16-dial, 17-tunable arrangement.
The specific embodiment
Further describe the technical solution of the utility model below in conjunction with accompanying drawing, but that claimed scope is not limited to is described.
As Fig. 1, a kind of burner pendulous device, it is made up of the exterior oscillations mechanism and the internal pendulum actuation mechanism that are arranged in the burner air compartment, the burner air compartment distributes along short transverse along burner, be provided with a plurality of air compartments in the burner, air compartment is divided into air compartment and secondary air chamber, a wind nozzle is installed in the air compartment, secondary air chamber is installed overfire air jet, in wind nozzle and the overfire air jet bearing is installed, as Fig. 2, exterior oscillations mechanism comprises swing connecting bar 1, drive link 2, vertical inside connecting rod 3, horizontal inside connecting rod 4, crank 5 and axle 8, the internal pendulum actuation mechanism comprises swing arm 6 and outside connecting rod 7, swing connecting bar 1 and drive link 2 are installed in an end of axle 8, crank 5 is installed in the other end of axle 8, one end of drive link 2 links to each other with swing connecting bar 1 by safety pin 9, the other end of drive link 2 is by driving air cylinder driven, the front end of horizontal inside connecting rod 4 links to each other with the nozzle of air compartment, the rear end of horizontal inside connecting rod 4 is with vertically the end while of inside connecting rod 3 links to each other with crank 5, vertically the other end of inside connecting rod 3 links to each other with swing arm 6, and the other end of swing arm 6 links to each other with outside connecting rod 7.
On the described axle 8 dial 16 is installed also, the pendulum angle of indication swing connecting bar 1.
Described vertical inside connecting rod 3 links to each other with crank 5 by square head shaft 10.
Described overfire air jet directly is fixed on two channel-section steels of burner front portion.
As Fig. 3, a described wind nozzle comprises nozzle body 11 and nozzle head 12, nozzle body 11 is circle side's transition shape, nozzle body 11 sides' a end links to each other with nozzle head 12 by the movable sealing box 13 of a fit with nozzle 12 swing, nozzle head 12 is installed on the nozzle body 11, nozzle body 11 is installed on the support 15 of burner, adopts wind combustor of mechanical fixation, eliminates the power that it imposes on swing mechanism.
Adopt non-round mode to connect power transmission reliably between described swing connecting bar 1 and the axle 8.
Described bearing is high temperature self-lubricating bearing.
As Fig. 4, described horizontal inside connecting rod 4 and vertical inside connecting rod 3 are the length adjustable connecting rod, are provided with the tunable arrangement 17 of two-stage on the horizontal inside connecting rod 4 at least, to adapt to the foozle of miscellaneous part.
The surface that horizontal inside connecting rod 4 as described in Figure 5 contacts with bearing is curved surface, the surface that horizontal inside connecting rod 4 contacts with bearing is provided with anti oxidation layer 14 to prevent bite, forms anti oxidation layer 14 hot to prevent " burning to death " at the axle plating hard chromium on surface that contacts with bearing.
Operation principle of the present utility model is as follows: be arranged in four burners of four jiaos in burner burner hearth according to the instruction of coordinated control system, swung by air cylinder driven, the moment that driving cylinder provides is passed to swing connecting bar 1 by drive link 2, swing connecting bar 1 drives axle 8, thereby the other end of axle 8 drives crank 5 by key, power and displacement are by crank 5, square head shaft 10 and bearing pin pass to horizontal inside connecting rod 4 and vertical inside connecting rod 3, the front end of horizontal inside connecting rod 4 links to each other with the nozzle of this air compartment, vertically inside connecting rod 3 connects the interior swing mechanism of other air compartments in this group swing mechanism, vertically inside connecting rod 3 and horizontal inside connecting rod 4 reach nozzle with moment of torsion, swing up and down thereby order about it.
The above specific embodiment only is used for explanation the utility model, but not is used for limiting the utility model, and the equivalent variations that those skilled in the art carry out above-described embodiment, replacement are all within the claim protection domain.
Claims (9)
1. burner pendulous device, it is made up of the exterior oscillations mechanism and the internal pendulum actuation mechanism that are arranged in the burner air compartment, the burner air compartment distributes along short transverse along burner, be provided with a plurality of air compartments in the burner, air compartment is divided into air compartment and secondary air chamber, a wind nozzle is installed in the air compartment, secondary air chamber is installed overfire air jet, in wind nozzle and the overfire air jet bearing is installed, exterior oscillations mechanism comprises swing connecting bar (1), drive link (2), vertical inside connecting rod (3), horizontal inside connecting rod (4), crank (5) and axle (8), the internal pendulum actuation mechanism comprises swing arm (6) and outside connecting rod (7), it is characterized in that: swing connecting bar (1) and drive link (2) are installed in an end of axle (8), crank (5) is installed in the other end of axle (8), one end of drive link (2) links to each other with swing connecting bar (1) by safety pin (9), the other end of drive link (2) is by driving air cylinder driven, the front end of horizontal inside connecting rod (4) links to each other with the nozzle of air compartment, the rear end of horizontal inside connecting rod (4) is with vertically the end while of inside connecting rod (3) links to each other with crank (5), vertically the other end of inside connecting rod (3) links to each other with swing arm (6), and the other end of swing arm (6) links to each other with outside connecting rod (7).
2. burner pendulous device as claimed in claim 1 is characterized in that: on the described axle (8) dial (16) is installed also.
3. burner pendulous device as claimed in claim 1 is characterized in that: described vertical inside connecting rod (3) links to each other with crank (5) by square head shaft (10).
4. burner pendulous device as claimed in claim 1, it is characterized in that: described overfire air jet directly is fixed on two channel-section steels of burner front portion.
5. burner pendulous device as claimed in claim 1, it is characterized in that: a described wind nozzle comprises nozzle body (11) and nozzle head (12), nozzle body (11) is circle side's transition shape, one end of nozzle body (11) side links to each other by the same nozzle head of movable sealing box (13) (12) of a fit with nozzle head (12) swing, nozzle head (12) is installed on the nozzle body (11), and nozzle body (11) is installed on the support (15) of burner.
6. burner pendulous device as claimed in claim 1 is characterized in that: adopt non-round mode to connect between described swing connecting bar (1) and the axle (8).
7. burner pendulous device as claimed in claim 1, it is characterized in that: described bearing is high temperature self-lubricating bearing.
8. burner pendulous device as claimed in claim 1 is characterized in that: described horizontal inside connecting rod (4) and vertically inside connecting rod (3) be the length adjustable connecting rod.
9. burner pendulous device as claimed in claim 1, it is characterized in that: the surface that described horizontal inside connecting rod (4) contacts with bearing is curved surface, and the surface that horizontal inside connecting rod (4) contacts with bearing is provided with anti oxidation layer (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320052685 CN203116021U (en) | 2013-01-31 | 2013-01-31 | Burner swing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320052685 CN203116021U (en) | 2013-01-31 | 2013-01-31 | Burner swing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203116021U true CN203116021U (en) | 2013-08-07 |
Family
ID=48896359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320052685 Expired - Fee Related CN203116021U (en) | 2013-01-31 | 2013-01-31 | Burner swing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203116021U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654281A (en) * | 2014-08-19 | 2015-05-27 | 北京科电瑞通科技股份有限公司 | Swing mechanism of W flame boiler flame-out wind combustor |
| CN107355808A (en) * | 2016-06-02 | 2017-11-17 | 中国大唐集团科学技术研究院有限公司 | W type boilers jet optimizes system |
| CN108343963A (en) * | 2018-04-13 | 2018-07-31 | 岳阳鑫特铝业科技设备有限公司 | A kind of controllable mixing disperse formula heat storage burner |
| CN109520294A (en) * | 2018-11-23 | 2019-03-26 | 禹州市华盛钧窑有限公司 | A kind of regulating mechanism of ceramics calcination device |
| CN110296418A (en) * | 2019-06-21 | 2019-10-01 | 安徽中持环境科技有限公司 | Comprehensive pollutant process purification device |
-
2013
- 2013-01-31 CN CN 201320052685 patent/CN203116021U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654281A (en) * | 2014-08-19 | 2015-05-27 | 北京科电瑞通科技股份有限公司 | Swing mechanism of W flame boiler flame-out wind combustor |
| CN107355808A (en) * | 2016-06-02 | 2017-11-17 | 中国大唐集团科学技术研究院有限公司 | W type boilers jet optimizes system |
| CN107355808B (en) * | 2016-06-02 | 2020-02-07 | 中国大唐集团科学技术研究院有限公司 | W-shaped boiler jet flow optimization system |
| CN108343963A (en) * | 2018-04-13 | 2018-07-31 | 岳阳鑫特铝业科技设备有限公司 | A kind of controllable mixing disperse formula heat storage burner |
| CN109520294A (en) * | 2018-11-23 | 2019-03-26 | 禹州市华盛钧窑有限公司 | A kind of regulating mechanism of ceramics calcination device |
| CN110296418A (en) * | 2019-06-21 | 2019-10-01 | 安徽中持环境科技有限公司 | Comprehensive pollutant process purification device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20160131 |
|
| EXPY | Termination of patent right or utility model |