CN204420970U - The novel economizer of boiler controller system denitrating system - Google Patents
The novel economizer of boiler controller system denitrating system Download PDFInfo
- Publication number
- CN204420970U CN204420970U CN201520049905.8U CN201520049905U CN204420970U CN 204420970 U CN204420970 U CN 204420970U CN 201520049905 U CN201520049905 U CN 201520049905U CN 204420970 U CN204420970 U CN 204420970U
- Authority
- CN
- China
- Prior art keywords
- economizer
- subordinate
- boiler controller
- novel
- controller 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.)
- Active
Links
Landscapes
- Chimneys And Flues (AREA)
Abstract
The novel economizer of a kind of boiler controller system denitrating system, comprise higher level's economizer and subordinate's economizer, subordinate's economizer comprises left and right side subordinate economizer; Left and right side subordinate economizer is arranged respectively by suspension gear lifting; The two ends of the outlet header of Liang Ge subordinate economizer are arranged on boiler structure beam respectively; Their entrance header is fixedly mounted on flue structure.This economizer, Stability Analysis of Structures, subordinate's economizer does not directly contact with boiler body, even if make under coal unit low load condition, the flue-gas temperature entering Benitration reactor also can meet the requirement of denitration reaction, thus guarantees that denitrating flue gas is complete; The pipe row of subordinate's economizer is arranged and sus-pension, is convenient to dismounting and the maintenance of staff, increases work efficiency and work quality.
Description
Technical field
The utility model relates to a kind of economizer, specifically the novel economizer of a kind of boiler controller system denitrating system.
Background technology
The economizer that the denitrating system of coal-burning boiler uses, then its exiting flue gas enters air preheater after being first introduced into and carrying out denitration in SCR denitration reactor.Economizer is generally arranged on the back-end ductwork place of boiler body, because on boiler body, economizer heat exchange area is large, heat exchange is abundant, make unit comparatively running on the lower load time, SCR denitration reactor inlet flue-gas temperature is on the low side, cause SCR cisco unity malfunction, have a strong impact on normally carrying out, to environment of production.
Although there has been the structure of stagewise economizer to occur, the installation site of subordinate's economizer and installation accuracy close relation the working effect of economizer.At present, also not proposing effective scheme for the layout of pipe row in classification economizer and the mounting structure of classification economizer, is a large shortcoming of this area.
Utility model content
The utility model is the technological deficiency for mentioning in background technology, provides the novel economizer of boiler controller system denitrating system that a kind of structure is simple, hoisting structure is stable.
Realizing the technical scheme that above-mentioned purpose adopts is: the novel economizer of a kind of boiler controller system denitrating system, comprises the higher level's economizer and subordinate's economizer that are cascaded, and subordinate's economizer comprises the left and right side subordinate economizer point be located on the downside of two reactors; Left and right side subordinate economizer is arranged respectively by suspension gear lifting; Described Liang Ge subordinate economizer, the two ends of their outlet header are arranged on boiler structure beam respectively; Their entrance header is fixedly mounted on flue structure.
Suspension gear comprises suspention beam, hanging board and elevator plate, and hanging board is fixedly connected with the lower side wing of suspention beam, and elevator plate is connected with hanging board by suspension rod, and elevator plate is rectangle orifice plate, and the pipe socket of subordinate's economizer is contained in the through hole on elevator plate.
Elevator plate with between suspension rod for being threaded, the position of elevator plate on suspension rod adjusts according to the actual arrangement situation of subordinate's economizer hand.
After elevator plate and boom location are determined, the nut on suspension rod and between elevator plate spot welding fix.
The outlet of left and right side subordinate economizer is all provided with a thermocouple temperature sensor.
The downside of left and right side subordinate economizer and upside are separately installed with a furnace tube leakage warning Sonar Probe.
Subordinate's economizer adopts H type heat exchange mechanisms, is provided with abrasionproof orifice plate with holes above the bend part at pipe row two ends.
Be provided with four road suspention beams in left and right side subordinate economizer, the supporting surface of suspention beam and subordinate's economizer exit header installs asbestos insulation plate additional.
This economizer disclosed in the utility model, is transform the classification of existing economizer, former economizer dust is cut off pipeloop, while the use of saving pipeloop, reducing weight, reduces the heat exchange area of higher level's economizer; Subordinate's economizer is divided into two groups of symmetrical structures, pipe row lifting in subordinate's economizer is arranged, Stability Analysis of Structures, subordinate's economizer does not directly contact with boiler body, even if make under coal unit low load condition, the flue-gas temperature entering Benitration reactor also can meet the requirement of denitration reaction, thus guarantees that denitrating flue gas is complete; The pipe row of subordinate's economizer is arranged and sus-pension, is convenient to dismounting and the maintenance of staff, increases work efficiency and work quality.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the A-A direction view in Fig. 1.
Fig. 4 is the utility model suspension gear structural representation.
In figure: left side subordinate economizer entrance header 1, right side subordinate economizer entrance header 2, left side subordinate economizer exit header 3, right side subordinate economizer exit header 4, subordinate's economizer hand 5, suspention beam 6, abrasionproof orifice plate 7, structural beams 8, lower side wing 9, hanging board 10, suspension rod 11, elevator plate 12, flue structure 13.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described further.
See accompanying drawing 1-4, the novel economizer of this boiler controller system denitrating system disclosed in the utility model, comprises the higher level's economizer and subordinate's economizer that are cascaded.Boiler body is linked together by flue and Benitration reactor, higher level's economizer is arranged in the back-end ductwork on boiler body, subordinate's economizer is arranged on Benitration reactor exit position, and higher level's economizer is connected with feed pipe, and subordinate's economizer is connected with outlet pipe; The center line both sides of boiler body are separately installed with a Benitration reactor.
Higher level's economizer forms by reducing heat exchange area to original-pack economizer laminated cutting method.Suspending way is constant, refrigerant flow rate and flue gas flow rate identical with former design.But the flow resistance of working medium side and fume side all reduces, need from newly calculating check.Hanging structure reduces due to the economizer gross weight after changing, and does not need to carry out metal strength calculating.
Pipeloop in higher level's economizer comprises long tube and short tube, and short tubular portions is formed by staggered the cutting off of long tube.The method of cutting off is: 6 finned tubes are cut off in Bao Qiang side before snakelike for traditional economizer lower floor pipeloop boiler, retains 12 finned tubes; 6 finned tubes are cut off in rear Bao Qiang side, retain 12 finned tubes; Several 1-6 pipes from bottom to top on front side of pipe cutting position, rear side from bottom to top several 1-3 pipes all cuts off, rear side from bottom to top several 4 pipes arranges 3166mm pipe cutting (groove position is at 3156.5mm place) by front side enclosure wall tube center line to pipe, rear side from bottom to top several 5 pipes arranges 3400mm pipe cutting (groove position is at 3389mm place) by front side enclosure wall tube center line to pipe, and rear side from bottom to top several 6 pipes arranges 3786mm pipe cutting (groove position is at 3776.4mm place) by front side enclosure wall tube center line to pipe.Often row cuts off about 50 meters, former economizer tube, and whole economizer cuts off about 6900 mitrons.Ф 42 × 5.5 tubing nearly weighs 5kg/M, and H type fin 40/M nearly weighs 15kg, and two pipes are worn H type fin and nearly weighed 25kg/M, and about 86 tons, former economizer tube is removed in this time transformation.Economizer influent header tube connector is wound around to front side, and economizer hand is by rear side to economizer exit header, and coal is economized device upper header and is arranged in apart from bag center line of wall 3135mm place, stokehold, and lower collecting box is at 2850mm place.Higher level's economizer exit flue gas enters SCR reactor, enters subordinate's economizer after denitrating flue gas.Upper and lower level economizer is connected in series, and namely the entrance of subordinate's economizer is the feedwater that height adds.Flue gas enters air preheater after subordinate's economizer.
The recirculation pipe mounting structure of higher level's economizer porch remains unchanged.Non-return flap is changed on the feedwater piping of subordinate's economizer entrance side.
Subordinate's economizer mainly comprises left side subordinate economizer entrance header 1, right side subordinate economizer entrance header 2, left side subordinate economizer exit header 3, right side subordinate economizer exit header 4, subordinate's economizer hand 5, suspention beam 6, lower side wing 9, hanging board 10, suspension rod 11, elevator plate 12.
Left and right side subordinate economizer divides the downside being located at two reactors.Left and right side subordinate economizer is arranged respectively by suspension gear lifting, does not directly contact with boiler body.Liang Ge subordinate economizer, the two ends of their outlet header are arranged on boiler structure beam 8 respectively; Their entrance header is fixedly mounted on flue structure 13.The outlet of left and right side subordinate economizer is all provided with a thermocouple temperature sensor.The downside of left and right side subordinate economizer and upside are separately installed with a furnace tube leakage warning Sonar Probe.Subordinate's economizer adopts H type heat exchange mechanisms, is provided with abrasionproof orifice plate 7 with holes above the bend part at pipe row two ends.Be provided with four road suspention beams in left and right side subordinate economizer, the supporting surface of suspention beam and subordinate's economizer exit header installs asbestos insulation plate additional.The distribution of subordinate's economizer and header all adopt Φ 273x38 steel pipe, material 20G.Arrangement form Z-type.Point to give, water outlet caliber Φ 273x25,20G.
Suspension gear comprises suspention beam, hanging board and elevator plate, and hanging board is fixedly connected with the lower side wing of suspention beam, and elevator plate is connected with hanging board by suspension rod, and elevator plate is rectangle orifice plate, and the pipe row of subordinate's economizer is evenly inserted in the through hole on elevator plate.The material of suspention beam 12Cr1MoV is welded, elevator plate with between suspension rod for being threaded, the position of elevator plate on suspension rod adjusts according to the actual arrangement situation of subordinate's economizer hand.After elevator plate and boom location are determined, the nut (1Cr18Ni9Ti) at suspension rod two ends installs rear and suspension rod (12Cr1MoV) spot welding, prevents nut loosening.
The two ends of the outlet header of subordinate's economizer are supported in original structural beams, and entrance header is supported by flue structure; Header installs expansion joint through during flue, and one end of header is fixed, other end free wxpansion.
4 road suspention beams installed by Mei Zu subordinate economizer.Suspention beam and the supporting surface of outlet header add asbestos insulation plate and steel construction heat insulation.Brace summer 10 millimeters thick thermal insulation board, outlet header 5 millimeters thick.For making the load-bearing of beam even, pipe row need be flushed by the nut adjustment of suspension rod during installation.
Claims (8)
1. the novel economizer of boiler controller system denitrating system, comprises the higher level's economizer and subordinate's economizer that are cascaded, it is characterized in that,
Subordinate's economizer comprises the left and right side subordinate economizer point be located on the downside of two reactors; Left and right side subordinate economizer is arranged respectively by suspension gear lifting; Described Liang Ge subordinate economizer, the two ends of their outlet header are arranged on boiler structure beam respectively; Their entrance header is fixedly mounted on flue structure.
2. the novel economizer of boiler controller system denitrating system according to claim 1, it is characterized in that, described suspension gear comprises suspention beam, hanging board and elevator plate, hanging board is fixedly connected with the lower side wing of suspention beam, elevator plate is connected with hanging board by suspension rod, elevator plate is rectangle orifice plate, and the pipe socket of subordinate's economizer is contained in the through hole on elevator plate.
3. the novel economizer of boiler controller system denitrating system according to claim 2, is characterized in that, elevator plate with between suspension rod for being threaded, the position of elevator plate on suspension rod adjusts according to the actual arrangement situation of subordinate's economizer hand.
4. the novel economizer of boiler controller system denitrating system according to claim 3, is characterized in that, after elevator plate and boom location are determined, the nut on suspension rod and between elevator plate spot welding fix.
5. the novel economizer of boiler controller system denitrating system according to claim 1, is characterized in that, the outlet of left and right side subordinate economizer is all provided with a thermocouple temperature sensor.
6. the novel economizer of boiler controller system denitrating system according to claim 1, is characterized in that, the downside of left and right side subordinate economizer and upside are separately installed with a furnace tube leakage warning Sonar Probe.
7. the novel economizer of boiler controller system denitrating system according to claim 1, is characterized in that, subordinate's economizer adopts H type heat exchange mechanisms, is provided with abrasionproof orifice plate with holes above the bend part at pipe row two ends.
8. the novel economizer of boiler controller system denitrating system according to claim 1, is characterized in that, is provided with four road suspention beams, the supporting surface of suspention beam and subordinate's economizer exit header installs asbestos insulation plate additional in left and right side subordinate economizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520049905.8U CN204420970U (en) | 2015-01-26 | 2015-01-26 | The novel economizer of boiler controller system denitrating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520049905.8U CN204420970U (en) | 2015-01-26 | 2015-01-26 | The novel economizer of boiler controller system denitrating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204420970U true CN204420970U (en) | 2015-06-24 |
Family
ID=53471337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520049905.8U Active CN204420970U (en) | 2015-01-26 | 2015-01-26 | The novel economizer of boiler controller system denitrating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204420970U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534451A (en) * | 2015-01-26 | 2015-04-22 | 河北大唐国际丰润热电有限责任公司 | Novel coal economizer for denitrification system of boiler unit |
| CN106287683A (en) * | 2016-08-31 | 2017-01-04 | 江苏汇能锅炉有限公司 | Circulating fluid-bed coal-burning boiler coal economizer energy-conserving reconstruction method |
-
2015
- 2015-01-26 CN CN201520049905.8U patent/CN204420970U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534451A (en) * | 2015-01-26 | 2015-04-22 | 河北大唐国际丰润热电有限责任公司 | Novel coal economizer for denitrification system of boiler unit |
| CN104534451B (en) * | 2015-01-26 | 2016-03-23 | 河北大唐国际丰润热电有限责任公司 | Boiler controller system denitrating system economizer |
| CN106287683A (en) * | 2016-08-31 | 2017-01-04 | 江苏汇能锅炉有限公司 | Circulating fluid-bed coal-burning boiler coal economizer energy-conserving reconstruction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101788140B (en) | Suspension structure of pendent tube used for S-shaped tube panel | |
| CN201599786U (en) | Modular structure of heating surface of exhaust-heat boiler in convection segment of heating furnace | |
| CN104534451B (en) | Boiler controller system denitrating system economizer | |
| CN103471072B (en) | The vertical type module of waste heat boiler | |
| CN204420970U (en) | The novel economizer of boiler controller system denitrating system | |
| CN107860022B (en) | Variable flue section tubular air preheater | |
| CN105737182A (en) | Smoke in-depth cooler | |
| CN202109462U (en) | Fuel economizer | |
| CN202432493U (en) | Modular afterheat boiler | |
| CN105222121B (en) | Boiler coal economizer | |
| CN112325307B (en) | Rapid cooler of sintering flue gas incinerator | |
| CN205102102U (en) | Coal saving device of boiler | |
| CN106642063A (en) | Novel superheater hoisting installation | |
| CN107062956A (en) | A kind of spiral finned tube heat-exchanger rig utilized for Large Copacity fume afterheat | |
| CN205299949U (en) | A residual heat from flue gas device for fuel gas boiler | |
| CN212902768U (en) | Heat transfer device for chemical production | |
| CN2800065Y (en) | Waste heat boiler for sulfuric acid production by pyrite | |
| CN201582775U (en) | Afterheat boiler evaporator | |
| CN209166185U (en) | A kind of horizontal double-tube plate form teflon heat exchanger | |
| CN209801458U (en) | flue gas baffle structure between tube panels of economizer of horizontal garbage waste heat boiler | |
| CN205537164U (en) | Flue gas waste heat recovery device for sintering machine | |
| CN206803134U (en) | CFBB superheater support structure | |
| CN2361970Y (en) | Natural circulation sulphur acid-producing waste heat boiler with horizontal water-tube membrane wall | |
| CN217685086U (en) | Boiler connecting flue maintenance channel | |
| CN210103738U (en) | Device for recovering heat energy of smoke discharged by glass kiln by using water pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |