CN202647715U - Compartment wall for outlet flue of ultra supercritical boiler economizer - Google Patents
Compartment wall for outlet flue of ultra supercritical boiler economizer Download PDFInfo
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- CN202647715U CN202647715U CN 201220319335 CN201220319335U CN202647715U CN 202647715 U CN202647715 U CN 202647715U CN 201220319335 CN201220319335 CN 201220319335 CN 201220319335 U CN201220319335 U CN 201220319335U CN 202647715 U CN202647715 U CN 202647715U
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Abstract
The utility model discloses a compartment wall for an outlet flue of an ultra supercritical boiler economizer. In the process of installing a unit, because a construction organization is influenced by a construction environment and a construction capacity, the problems of uncertain quality in processes of on-site slotting manufacturing and welding of a compartment wall protection plate and larger potential safety hazards during the operation of the original compartment wall are caused. The compartment wall comprises an economizer inlet header (2) provided with a pipe joint (1), and a tail flue inlet header (3), wherein the tail flue inlet header is connected with a splint (4), the splint is connected with a bent hanging plate (6) through a bolt (5), the bent hanging plate is connected with a reinforced rib plate (7), side sealing plates (8) are mounted on two ends of the bent hanging plate and the reinforced rib plate, a bent spile is inserted into the bent hanging plate, and the other end of the bent spile is connected with the economizer inlet header. The compartment wall is used for the outlet flue of the ultra supercritical boiler economizer.
Description
Technical field:
The utility model relates to a kind of for ultra-supercritical boiler economizer exit flue dividing wall.
Background technology:
Economizer exit flue dividing wall structure contacts with economizer entrance header upper tube joint, when cutting dividing wall backplate and pipe joint are equipped in the field-mounted process, dredge shape plate fluting inhomogeneous, and even at this regional non-homogeneous expansion of boiler startup initial stage, dividing wall backplate and pipe joint form the flue gas corridor in the boiler operatiopn, the heavy wear pipe joint, this situation causes very large loss in case appearance must be keeped in repair in blowing out to production.
In the unit installation process, because unit in charge of construction is subjected to the impact of construction environment and construction ability, the quality uncertainty in the process that the on-the-spot fluting of dividing wall backplate is made and welded, the larger potential safety hazard of former dividing wall form existence in service.
The utility model content:
What the purpose of this utility model provided a kind of long-term, stable, safe operation that can guarantee boiler is used for ultra-supercritical boiler economizer exit flue dividing wall.
Above-mentioned purpose realizes by following technical scheme:
A kind of for ultra-supercritical boiler economizer exit flue dividing wall, its composition comprises: with economizer entrance header, the back-end ductwork entrance header of pipe joint, described back-end ductwork entrance header connecting cleat, described clamping plate are bolted the bending boatswain chair, described bending boatswain chair connection reinforcement floor, at described bending boatswain chair and described deep floor two ends the side seal plate is housed, insert described bending boatswain chair in the bending plate, the described bending plate other end connects described economizer entrance header.
Described for ultra-supercritical boiler economizer exit flue dividing wall, the global facility that is formed by described bending boatswain chair, described deep floor, described side seal plate, described bending plate distribute uniformly be connected on described economizer entrance header and the described back-end ductwork entrance header and and described pipe joint between have the gap.
Described for ultra-supercritical boiler economizer exit flue dividing wall, described bending boatswain chair comprises vertical short slab part, oblique plate portion and vertical plate part, angle a between described oblique plate portion and the described vertical plate part is 90 ~ 168, described bending plate comprises the vertical part of short slab, the oblique part of plate, angle b between described vertical plate part and the oblique part of described plate is 165 °, the oblique part of described plate is 15 ° with the angle c of described economizer entrance header vertical direction, distance h between described back-end ductwork entrance header center and the described economizer entrance header center is 800-1000mm, and between described pipe joint horizontal segment center and the described economizer entrance header center is 365-565mm apart from f.
Described for ultra-supercritical boiler economizer exit flue dividing wall, described bending boatswain chair comprises vertical short slab part, oblique plate portion and vertical plate part, angle a between described oblique plate portion and the described vertical plate part is 122 °, described bending plate comprises the vertical part of short slab, the oblique part of plate, angle b between described vertical plate part and the oblique part of described plate is 165 °, the oblique part of described plate is 15 ° with the angle c of described economizer entrance header vertical direction, distance h between described back-end ductwork entrance header center and the described economizer entrance header center is 900mm, and between described pipe joint horizontal segment center and the described economizer entrance header center is 465mm apart from f.
Beneficial effect:
1. the bending boatswain chair of the curved shape that adopts of the utility model has been avoided the pipe joint on contact economizer entrance header top, and with bending plate fitted seal, bending boatswain chair and bending plate weld to guarantee structural strength with the deep floor that is evenly arranged respectively.
Dividing wall structure of the present utility model both sides are seal welding side seal plate respectively, the fully separation of reheater flue and superheater flue when having guaranteed boiler operatiopn, avoided former dividing wall structure to contact with economizer entrance header upper tube joint, on-site cutting dividing wall backplate is inhomogeneous, form the flue gas corridor, the situation of attrition tube joint, and can absorb expansion difference in the lower header running.
The new structure of economizer exit flue dividing wall of the present utility model can avoid economizer entrance header upper tube joint to be subject to sweep of gases, can guarantee long-term, stable, the safe operation of boiler.
Angle between oblique plate portion of the present utility model and the vertical plate part is 122 °, and this angle can at utmost be avoided partition wall and pipe joint collision; Farthest reduced installation difficulty.
Description of drawings:
Accompanying drawing 1 is the structural representation of this product.
Accompanying drawing 2 is structural representations with size and angle of accompanying drawing 1.
The specific embodiment:
Embodiment 1:
A kind of for ultra-supercritical boiler economizer exit flue dividing wall, its composition comprises: with economizer entrance header 2, the back-end ductwork entrance header 3 of pipe joint 1, described back-end ductwork entrance header connecting cleat 4, described clamping plate connect bending boatswain chair 6 with bolt 5, described bending boatswain chair connection reinforcement floor 7, at described bending boatswain chair and described deep floor two ends side seal plate 8 is housed, insert described bending boatswain chair in the bending plate, the described bending plate other end connects described economizer entrance header
Embodiment 2:
[0017] described for ultra-supercritical boiler economizer exit flue dividing wall, described bending boatswain chair comprises vertical short connection reinforcement floor 7, at described bending boatswain chair and described deep floor two ends side seal plate 8 is housed, insert described bending boatswain chair in the bending plate, the described bending plate other end connects described economizer entrance header.
Embodiment 3:
Described for ultra-supercritical boiler economizer exit flue dividing wall, by described bending boatswain chair, described deep floor, described side seal plate, the global facility that described bending plate forms distribute uniformly be connected on described economizer entrance header and the described back-end ductwork entrance header and and described pipe joint between have a plate portion, oblique plate portion and vertical plate part, angle a between described oblique plate portion and the described vertical plate part is 90 ~ 168, described bending plate comprises the vertical part of short slab, the oblique part of plate, angle b between described vertical plate part and the oblique part of described plate is 165 °, the oblique part of described plate is 15 ° with the angle c of described economizer entrance header vertical direction, distance h between described back-end ductwork entrance header center and the described economizer entrance header center is 800-1000mm, and between described pipe joint horizontal segment center and the described economizer entrance header center is 365-565mm apart from f.
Embodiment 4:
The above-mentioned ultra-supercritical boiler economizer exit flue dividing wall that is used for, its composition comprises: with economizer entrance header, the back-end ductwork entrance header of pipe joint, described back-end ductwork entrance header connecting cleat, described clamping plate connect the bending boatswain chair with bolt, described bending boatswain chair connection reinforcement floor, at described bending boatswain chair and described deep floor two ends the side seal plate is housed, insert described bending boatswain chair in the bending plate, the described bending plate other end connects described economizer entrance header.
Described for ultra-supercritical boiler economizer exit flue dividing wall, the global facility that is comprised of described bending boatswain chair, described deep floor, described side seal plate, described bending plate distributes uniformly to be connected on described economizer entrance header and the described back-end ductwork entrance header and with described pipe joint and does not mutually contact.
Described bending boatswain chair comprises vertical short slab part, oblique plate portion and vertical plate part, angle a between described oblique plate portion and the described vertical plate part is 122 °, described bending plate comprises the vertical part of short slab, the oblique part of plate, angle b between described vertical plate part and the oblique part of described plate is 165 °, the oblique part of described plate is 15 ° with the angle c of described economizer entrance header vertical direction, distance h between described back-end ductwork entrance header center and the described economizer entrance header center is 900mm, and between described pipe joint horizontal segment center and the described economizer entrance header center is 465mm apart from f.
Embodiment 5:
The above-mentioned ultra-supercritical boiler economizer exit flue dividing wall that is used for, its composition comprises: with economizer entrance header, the back-end ductwork entrance header of pipe joint, described back-end ductwork entrance header connecting cleat, described clamping plate connect the bending boatswain chair with bolt, described bending boatswain chair connection reinforcement floor, at described bending boatswain chair and described deep floor two ends the side seal plate is housed, insert described bending boatswain chair in the bending plate, the described bending plate other end connects described economizer entrance header.
Described for ultra-supercritical boiler economizer exit flue dividing wall, the global facility that is comprised of described bending boatswain chair, described deep floor, described side seal plate, described bending plate distributes uniformly to be connected on described economizer entrance header and the described back-end ductwork entrance header and with described pipe joint and does not mutually contact.
Described for ultra-supercritical boiler economizer exit flue dividing wall, described bending boatswain chair comprises vertical short slab part, oblique plate portion and vertical plate part, angle a between described oblique plate portion and the described vertical plate part is 90 °, described bending plate comprises the vertical part of short slab, the oblique part of plate, angle b between described vertical plate part and the oblique part of described plate is 165 °, the oblique part of described plate is 15 ° with the angle c of described economizer entrance header vertical direction, distance h between described back-end ductwork entrance header center and the described economizer entrance header center is 800mm, and between described pipe joint horizontal segment center and the described economizer entrance header center is 365mm apart from f.
Embodiment 6:
The above-mentioned ultra-supercritical boiler economizer exit flue dividing wall that is used for, its composition comprises: with economizer entrance header, the back-end ductwork entrance header of pipe joint, described back-end ductwork entrance header connecting cleat, described clamping plate connect the bending boatswain chair with bolt, described bending boatswain chair connection reinforcement floor, at described bending boatswain chair and described deep floor two ends the side seal plate is housed, insert described bending boatswain chair in the bending plate, the described bending plate other end connects described economizer entrance header.
Described for ultra-supercritical boiler economizer exit flue dividing wall, the global facility that is comprised of described bending boatswain chair, described deep floor, described side seal plate, described bending plate distributes uniformly to be connected on described economizer entrance header and the described back-end ductwork entrance header and with described pipe joint and does not mutually contact.
Described for ultra-supercritical boiler economizer exit flue dividing wall, described bending boatswain chair comprises vertical short slab part, oblique plate portion and vertical plate part, angle a between described oblique plate portion and the described vertical plate part is 168 °, described bending plate comprises the vertical part of short slab, the oblique part of plate, angle b between described vertical plate part and the oblique part of described plate is 165 °, the oblique part of described plate is 15 ° with the angle c of described economizer entrance header vertical direction, distance h between described back-end ductwork entrance header center and the described economizer entrance header center is 1000mm, and between described pipe joint horizontal segment center and the described economizer entrance header center is 565mm apart from f.
Embodiment 7:
Above-mentioned ultra-supercritical boiler economizer exit flue dividing wall, bending boatswain chair, bending plate, two blocks of side seal plates, the deep floor that is evenly arranged of being used for.
The curved shape design of bending boatswain chair avoids contacting economizer entrance header upper tube joint, and with bending plate fitted seal, weld to guarantee structural strength with the deep floor that is evenly arranged respectively with bending boatswain chair and bending plate, dividing wall structure both sides are seal welding side seal plate respectively, the fully separation of reheater flue and superheater flue when guaranteeing boiler operatiopn, avoid former dividing wall structure to contact with economizer entrance header upper tube joint, on-site cutting dividing wall backplate is inhomogeneous, form the flue gas corridor, the situation of attrition tube joint, and can absorb expansion difference in the lower header running.
Embodiment 8:
Above-described embodiment is described for ultra-supercritical boiler economizer exit flue dividing wall, header spacing in top and the bottom is that h is 900mm in the 660WM ultra-supercritical boiler, and the bending boatswain chair vertical section length range that is connected with back-end ductwork entrance header is 60mm～280mm.Be of a size of 300 ~ 80 with bending plate mating part straight section, bending boatswain chair bending angle a is 90 ~ 168, and recommending angle is 122, and Wuhu, Jingjiang engineering are by 122 designs at present.This angle can at utmost be avoided partition wall and pipe joint collision.At utmost reduce installation difficulty.The bending boatswain chair is connected and fixed by bolt and the clamping plate that are welded on back-end ductwork entrance header bottom.It is 15 fixed angles that the bending plate becomes c with economizer entrance header vertical center line, does not interfere other angle pipe joint when not colliding the vertical direction pipe joint.Bending plate self bending angle is that fixed angle b is 165 bending plates and header clip seal welding.
Claims (4)
1. one kind is used for ultra-supercritical boiler economizer exit flue dividing wall, its composition comprises: with economizer entrance header, the back-end ductwork entrance header of pipe joint, it is characterized in that: described back-end ductwork entrance header connecting cleat, described clamping plate are bolted the bending boatswain chair, described bending boatswain chair connection reinforcement floor, at described bending boatswain chair and described deep floor two ends the side seal plate is housed, insert described bending boatswain chair in the bending plate, the described bending plate other end connects described economizer entrance header.
2. according to claim 1 for ultra-supercritical boiler economizer exit flue dividing wall, it is characterized in that: the global facility that is formed by described bending boatswain chair, described deep floor, described side seal plate, described bending plate distribute uniformly be connected on described economizer entrance header and the described back-end ductwork entrance header and and described pipe joint between have the gap.
3. according to claim 1 and 2 for ultra-supercritical boiler economizer exit flue dividing wall, it is characterized in that: described bending boatswain chair comprises vertical short slab part, oblique plate portion and vertical plate part, angle a between described oblique plate portion and the described vertical plate part is 90 ~ 168, described bending plate comprises the vertical part of short slab, the oblique part of plate, angle b between described vertical plate part and the oblique part of described plate is 165 °, the oblique part of described plate is 15 ° with the angle c of described economizer entrance header vertical direction, distance h between described back-end ductwork entrance header center and the described economizer entrance header center is 800-1000mm, and between described pipe joint horizontal segment center and the described economizer entrance header center is 365-565mm apart from f.
4. according to claim 3 for ultra-supercritical boiler economizer exit flue dividing wall, it is characterized in that: described bending boatswain chair comprises vertical short slab part, oblique plate portion and vertical plate part, angle a between described oblique plate portion and the described vertical plate part is 122 °, described bending plate comprises the vertical part of short slab, the oblique part of plate, angle b between described vertical plate part and the oblique part of described plate is 165 °, the oblique part of described plate is 15 ° with the angle c of described economizer entrance header vertical direction, distance h between described back-end ductwork entrance header center and the described economizer entrance header center is 900mm, and between described pipe joint horizontal segment center and the described economizer entrance header center is 465mm apart from f.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220319335 CN202647715U (en) | 2012-07-04 | 2012-07-04 | Compartment wall for outlet flue of ultra supercritical boiler economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220319335 CN202647715U (en) | 2012-07-04 | 2012-07-04 | Compartment wall for outlet flue of ultra supercritical boiler economizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202647715U true CN202647715U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220319335 Withdrawn - After Issue CN202647715U (en) | 2012-07-04 | 2012-07-04 | Compartment wall for outlet flue of ultra supercritical boiler economizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202647715U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777885A (en) * | 2012-07-04 | 2012-11-14 | 哈尔滨锅炉厂有限责任公司 | Partition wall for ultra-supercritical boiler economizer outlet flue |
| CN110715312A (en) * | 2019-10-24 | 2020-01-21 | 哈尔滨锅炉厂有限责任公司 | Hanging sealing device for tail flue of gas boiler |
-
2012
- 2012-07-04 CN CN 201220319335 patent/CN202647715U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777885A (en) * | 2012-07-04 | 2012-11-14 | 哈尔滨锅炉厂有限责任公司 | Partition wall for ultra-supercritical boiler economizer outlet flue |
| CN102777885B (en) * | 2012-07-04 | 2015-08-19 | 哈尔滨锅炉厂有限责任公司 | For partition wall for ultra-supercritical boiler economizer outlet flue |
| CN110715312A (en) * | 2019-10-24 | 2020-01-21 | 哈尔滨锅炉厂有限责任公司 | Hanging sealing device for tail flue of gas boiler |
| CN110715312B (en) * | 2019-10-24 | 2021-10-01 | 哈尔滨锅炉厂有限责任公司 | Hanging sealing device for tail flue of gas boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130102 Effective date of abandoning: 20150819 |
|
| RGAV | Abandon patent right to avoid regrant |