CN2840029Y - Executive mechanism for power station boiler air preheater thermal point monitoring system - Google Patents
Executive mechanism for power station boiler air preheater thermal point monitoring system Download PDFInfo
- Publication number
- CN2840029Y CN2840029Y CNU2005200794676U CN200520079467U CN2840029Y CN 2840029 Y CN2840029 Y CN 2840029Y CN U2005200794676 U CNU2005200794676 U CN U2005200794676U CN 200520079467 U CN200520079467 U CN 200520079467U CN 2840029 Y CN2840029 Y CN 2840029Y
- Authority
- CN
- China
- Prior art keywords
- guide rail
- air preheater
- main box
- steel cable
- monitoring system
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model discloses an executing mechanism for a power station boiler air preheater thermal point monitoring system, which comprises a main box body, a crossbeam guide rail and a sliding car body moving on the crossbeam guide rail, wherein one end of the crossbeam guide rail is placed on the main box body, and the other end is fixedly connected with a supporting base in a preheater; one end of the crossbeam guide rail is provided with a wire cable reversing wheel, the supporting base for supporting the guide rail and a drag chain guide rail; the sliding car body is connected with a wire cable, an upper winding cable pulley, a lower winding cable pulley and a reductor set with an overload clutch through front haulage bolts, two infrared probes for measuring the temperature distribution in the air preheater are installed in the sliding car body, and the infrared probes proceeds the thermal point scanning in the preheater. The sliding car body is driven to make a straight reciprocating motion along the crossbeam guide rail through the input dynamic force of the reductor set, and the main box body is welded and connected with the air preheater through the inner wall of the preheater and the supporting base. Through the test of practice, the executing mechanism has high reliability under the operational environment of the air preheater and is suitable for being matched with air preheaters with various capacities.
Description
Technical field
The utility model relates to a kind of topworks of power station boiler air pre-heater hot spot monitoring system, is used to monitor air preheater inside and whether has disaster hidden-trouble, guarantees unit safety, economy, reliability service.
Background technology
A large amount of simulated experiments and scene of fire data show, the air preheater of most of station boilers is on fire usually to be appeared at behind cold start-up and the stand-by heat during starts, reason of fire is the burn incompletely of fuel oil, not clean-burning fuel oil condenses and accumulates on the parts of air preheater, when the flue-gas temperature that enters air preheater increased, the fuel oil dirt of deposition was toasted hardening, when reaching the uniform temperature condition, then can light these fuel greasy dirt sediments, cause fire to take place.
Technical solution for the problems referred to above is the air preheater swing arm topworks that U.S. CE company releases at present, but this swing arm topworks is because long-time running is very big to the wearing and tearing of water pipe, cable, the maintenance cost height, periodic replacement water pipe, cable be difficulty very; In addition also need perforate on the primary heater crossbeam, the primary heater overall mechanical strength constituted destroy, bring additional hidden danger for the safe operation of primary heater.
The operation characteristic of air preheater and complicated site environment have proposed higher requirement to monitoring, choose monitoring means and design, mount scheme rightly, make total system promptly satisfy request for utilization, have rational economic the input again, the demand truth that meets present stage power plant is the focus that the insider pays close attention to.
Summary of the invention
The purpose of this utility model is, a kind of topworks of power station boiler air pre-heater hot spot monitoring system is provided, this topworks adopts advanced infrared detection technique and mechanical portable mechanism, the monitoring track distributes rationally, reflect that to greatest extent the temperature field distributes, and install, safeguard very convenient.
In order to realize above-mentioned task, the technical solution that the utility model is taked is: a kind of topworks of power station boiler air pre-heater hot spot monitoring system, it is characterized in that, the coaster body that it comprises main box, beam guideway and moves on beam guideway, main box is welded to connect by primary heater inwall and bearing and air preheater; The one end load of beam guideway is on main box, and the bearing in the other end and the primary heater connects firmly.One end of beam guideway is equipped with the steel cable reverse wheel and is used for the bearing of supporting traverse guide rail; The coaster body links to each other with the deceleration unit that steel cable, last rope-winding wheel, following rope-winding wheel and are equipped with safety clutch by the front haulage bolt; Power drives the rope-winding wheel that is installed on the main box and rotates by the input of deceleration unit, and then does straight reciprocating motion by steel cable driving coaster along beam guideway.
Two infrared probes that are used to measure the air preheater interior temperature distribution are installed on the coaster body, and the coaster body is done straight reciprocating motion by wire rope traction along beam guideway, and infrared probe is to carrying out hot spot scanning in the primary heater.
The coaster body is made the speed of straight reciprocating motion between 0.01M/min～0.52M/min along beam guideway.
Topworks of the present utility model, it is light that general assembly (TW) is put wall type topworks, installs simply, is convenient to construction, avoids the problem that swing arm topworks need perforate on the primary heater crossbeam, and the primary heater bulk strength is not constituted destruction.Solved the more outstanding problem of water-changing tube, cable difficulty of swing type topworks, maintenance work is simple.Avoid the wear problem of swing type long-time running, reduce maintenance workload water pipe, cable.Adopt stainless steel cable pulling motion coaster, the functional reliability height.Steel cable winding mechanism simplicity of design is fit in the long-term non-maintaining environment that is operated in high temperature, high dust.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the partial top view of Fig. 1;
Fig. 3 is the A-A cut-open view of Fig. 1;
Fig. 4 is the electric control system structural drawing.
Be described in further detail below in conjunction with accompanying drawing and principle of the present utility model.
Embodiment
Referring to accompanying drawing 1～3, the coaster body 8 that power station boiler air pre-heater hot spot monitoring system of the present utility model topworks comprises a beam guideway 12 and moves on beam guideway 12, the one end load of beam guideway 12 is on main box 1, and the bearing 17 in the other end and the primary heater connects firmly; Main box 1 is welded to connect with air preheater by primary heater inwall 16 and bearing 17; One end of beam guideway 12 is equipped with steel cable reverse wheel 11 and is used for the bearing 17 and the drag chain guide rail 15 of supporting traverse guide rail 12; Coaster body 8 links to each other with the deceleration unit 2 that steel cable 7, last rope-winding wheel 5, following rope-winding wheel 6 and are equipped with safety clutch 3 by front haulage bolt 9; The steel cable 7 that following rope-winding wheel 6 twines is connected with wire rope traction device 10 by steel cable reverse wheel 11 commutation backs, and wire rope traction device 10 is connected with coaster body 8;
Principle of work of the present utility model is, by deceleration unit 2 input power, by safety clutch 3 driven wheels 4, upward rope-winding wheel 5, rope-winding wheel 6 rotations down, the steel cable that last rope-winding wheel 5 twines is connected with coaster body 8 by front haulage bolt 9, the steel cable 7 that following rope-winding wheel 6 twines is connected with wire rope traction device 10 by steel cable reverse wheel 11 commutation backs, above-mentioned connection can make by the power drive coaster body 8 of deceleration unit 2 inputs and do straight reciprocating motion along beam guideway 12, and translational speed is between 0.01M/min～0.52M/min.Two infrared probes 13 are installed on the coaster body 8, are used to measure the air preheater interior temperature distribution.
All signal cables on the coaster body 8, cooling water pipe etc. are all drawn by drag chain 14, and drag chain 14 is installed on the drag chain guide rail 15 that connects firmly with beam guideway 12.Whole topworks is welded to connect with air preheater by the inwall 16 and the bearing 17 of air preheater.
The steel cable 7 of present embodiment is stainless steel cable pulling motion coaster, and the functional reliability height operates steadily.Under the air preheater running status, can monitor the energy of its hot infrared radiation in real time accurately, thus the field distribution of monitoring air preheater temperature inside.When too high and infrared energy radiation of air preheater internal cause temperature exceeds normal range, send alerting signal, guarantee to take corresponding measure the initial stage caution operation staff that fire takes place.Through practice test, this topworks has possessed height reliability under air preheater running environment, is suitable for the supporting use of the air air preheater of various capacity most.
Claims (3)
1. the topworks of a power station boiler air pre-heater hot spot monitoring system, it is characterized in that, it comprises main box (1), beam guideway (12) and the coaster body (8) that upward moves at beam guideway (12), and main box (1) is welded to connect with air preheater by primary heater inwall (16) and bearing (17); The one end load of beam guideway (12) is on main box (1), and the bearing (17) in the other end and the primary heater connects firmly; One end of guide rail (12) is equipped with steel cable reverse wheel (11) and is used for the bearing (17) and the drag chain guide rail (15) of supporting guide (12); Coaster body (8) links to each other with the deceleration unit (2) that steel cable (7), last rope-winding wheel (5), following rope-winding wheel (6) and are equipped with safety clutch (3) by front haulage bolt (9); The steel cable (7) that following rope-winding wheel (6) twines is connected with wire rope traction device (10) by steel cable reverse wheel (11) commutation back;
Coaster body (8) initial position rests in the main box (1), two infrared probes (13) that are used to measure the air preheater interior temperature distribution are installed on the coaster body (8), coaster body (8) is done straight reciprocating motion by wire rope traction along beam guideway (12), and infrared probe is to carrying out hot spot scanning in the primary heater.
2. the topworks of power station boiler air pre-heater hot spot monitoring system as claimed in claim 1 is characterized in that, described coaster body (8) is made the speed of straight reciprocating motion between 0.01M/min～0.52M/min along beam guideway (12).
3. the topworks of power station boiler air pre-heater hot spot monitoring system as claimed in claim 1 is characterized in that, described steel cable (7) is stainless steel cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200794676U CN2840029Y (en) | 2005-09-30 | 2005-09-30 | Executive mechanism for power station boiler air preheater thermal point monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200794676U CN2840029Y (en) | 2005-09-30 | 2005-09-30 | Executive mechanism for power station boiler air preheater thermal point monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2840029Y true CN2840029Y (en) | 2006-11-22 |
Family
ID=37428010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200794676U Expired - Fee Related CN2840029Y (en) | 2005-09-30 | 2005-09-30 | Executive mechanism for power station boiler air preheater thermal point monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2840029Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104655673A (en) * | 2015-03-13 | 2015-05-27 | 东北电力大学 | Online diagnosis method for heat exchange performances of tri-sectional rotary type air preheater |
| CN104655672A (en) * | 2015-03-13 | 2015-05-27 | 东北电力大学 | On-line heat exchange performance diagnosis method for two-branch-bin rotary air preheater |
| CN110279969A (en) * | 2019-06-28 | 2019-09-27 | 中国汽车工程研究院股份有限公司 | A kind of environmental wind tunnel moves the method for arranging of heavy pressure fine spray |
-
2005
- 2005-09-30 CN CNU2005200794676U patent/CN2840029Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104655673A (en) * | 2015-03-13 | 2015-05-27 | 东北电力大学 | Online diagnosis method for heat exchange performances of tri-sectional rotary type air preheater |
| CN104655672A (en) * | 2015-03-13 | 2015-05-27 | 东北电力大学 | On-line heat exchange performance diagnosis method for two-branch-bin rotary air preheater |
| CN104655672B (en) * | 2015-03-13 | 2017-03-22 | 东北电力大学 | On-line heat exchange performance diagnosis method for two-branch-bin rotary air preheater |
| CN110279969A (en) * | 2019-06-28 | 2019-09-27 | 中国汽车工程研究院股份有限公司 | A kind of environmental wind tunnel moves the method for arranging of heavy pressure fine spray |
| CN110279969B (en) * | 2019-06-28 | 2020-07-14 | 中国汽车工程研究院股份有限公司 | Arrangement method of movable high-pressure water mist in environmental wind tunnel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061122 Termination date: 20100930 |