CN203258663U - Wing wall anti-coking device of W-shaped flame boiler - Google Patents

Wing wall anti-coking device of W-shaped flame boiler Download PDF

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Publication number
CN203258663U
CN203258663U CN 201320232786 CN201320232786U CN203258663U CN 203258663 U CN203258663 U CN 203258663U CN 201320232786 CN201320232786 CN 201320232786 CN 201320232786 U CN201320232786 U CN 201320232786U CN 203258663 U CN203258663 U CN 203258663U
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CN
China
Prior art keywords
wall
aileron
side wall
air
coking
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Expired - Fee Related
Application number
CN 201320232786
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Chinese (zh)
Inventor
武旭升
张文龙
南波
焦传宝
杨建军
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Datang Yangchen Power Generation LLC
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Datang Yangchen Power Generation LLC
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Priority to CN 201320232786 priority Critical patent/CN203258663U/en
Application granted granted Critical
Publication of CN203258663U publication Critical patent/CN203258663U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a wing wall anti-coking device of a W-shaped flame boiler. The wing wall anti-coking device of the W-shaped flame boiler comprises a boiler body which is composed of a front wall, a rear wall, a side wall, wing walls and a furnace arch. A secondary air baffle is arranged in the boiler body. The front wall and the rear wall are connected through one wing wall. The rear wall and the side wall are connected through the other wing wall. Water wall tubes and fins are fixedly connected in the front wall, the rear wall, the side wall, the wing walls and the furnace arch respectively. A main air box is mounted on the outer side of the front wall. Another main air box is mounted on the outer side of the rear wall. The main air boxes are connected to a secondary air duct. A small air box is arranged in each main air box. A wall adherence air box is arranged outside the side wall and connected to a wall adherence air duct. The side wall and the wing walls are respectively provided with a wall adherence tuyere. The wing walls are provided with exhaust outlets, and are provided with anti-coking tuyeres in the height direction. The wing wall anti-coking device of the W-shaped flame boiler has the advantages of being simple in structure, convenient to use and install, simple to operate, safe and reliable, and saving effort; besides, the boiler is not pone to coking or coke collapse and is large in regional space.

Description

A kind of W type flame boiler aileron coking device
Technical field
The utility model relates to the power industry technical field, refers to especially a kind of W type flame boiler aileron coking device.
Background technology
W type flame boiler is higher owing to the lower hearth temperature, very easily coking, and particularly in boiler aileron zone, because herein near the burner hearth corner burner, and this regional space is narrow and small, and temperature is higher, and the probability of flame impingement is large, very easily coking.Original design is to leave overfiren air port in the aileron bottom, prevents aileron bottom coking.
Because former design only is provided with overfiren air port in the aileron bottom, can not prevent effectively that the aileron knot is large burnt, can not stop the aileron coking to the extension of side wall, this all brings loss to the user.
The utility model content
The technical problems to be solved in the utility model provides a kind of W type flame boiler aileron coking device, compare with existing device, difference is to take into full account the coking problem that solves whole aileron zone and side wall zone, preferably resolves boiler coke, burnt problem collapses.
For solving the problems of the technologies described above, embodiment of the present utility model provides a kind of W type flame boiler aileron coking device, comprise body of heater, described body of heater is by front wall, rear wall, side wall, aileron and chimney arch form, be provided with secondary air damper in the described body of heater, all be connected by aileron between described front wall and the side wall and between rear wall and the side wall, described front wall, rear wall, side wall, all be connected with water screen tube and fin in aileron and the chimney arch, described front wall and the rear wall outside all are equipped with the main air case, described main air case is connected with secondary air duct, be provided with little bellows in the described main air case, described side wall is provided with adherent wind bellows outward, described adherent wind bellows are connected with adherent wind air channel, described adherent wind bellows are provided with air inlet, be equipped with adherent air port on described side wall and the aileron, described aileron is provided with exhaust outlet, and described aileron is provided with anti-scorch air port along short transverse.
Wherein, described adherent wind air channel is provided with air door, and described adherent wind is provided with velometer in the air channel.
Wherein, described secondary air damper is provided with four.
Wherein, described body of heater is provided with the smoke components on-line sampler,
Wherein, described body of heater lower end is provided with feet.
The beneficial effect of technique scheme of the present utility model is as follows:
In the such scheme, 1. simple in structure, use, easy for installation, simple to operate, laborsaving, safe and reliable; Boiler be difficult for coking, Jiao that collapses, regional space is large.
Description of drawings
Fig. 1 is the structural representation of the utility model W type flame boiler aileron coking device;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the partial enlarged drawing of A section among Fig. 2;
[ main element symbol description ]
1, body of heater;
2, front wall;
3, Hou Qiang;
4, side wall;
5, aileron;
6, chimney arch;
7, windshield plate;
8, water screen tube;
9, fin;
10, main air case;
11, secondary air duct;
12, little bellows;
13, adherent wind bellows;
14, adherent wind air channel;
15, adherent air port;
16, exhaust outlet;
17, anti-scorch air port;
18, air door;
19, velometer;
20, smoke components on-line sampler;
21, air inlet;
22, feet.
The specific embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model provides a kind of W type flame boiler aileron coking device for the problem of the easy coking of existing equipment.
As shown in Figure 1 to Figure 3, embodiment of the present utility model provides a kind of W type flame boiler aileron coking device, comprise body of heater 1, described body of heater 1 is by front wall 2, rear wall 3, side wall 4, aileron 5 and chimney arch 6 form, be provided with secondary air damper 7 in the described body of heater 1, all be connected by aileron 5 between described front wall 2 and the side wall 3 and between rear wall 3 and the side wall 4, described front wall 2, rear wall 3, side wall 4, aileron 5 and chimney arch 6 interior water screen tube 8 and the fins 9 of all being connected with, described front wall 2 and rear wall 3 outsides all are equipped with main air case 10, described main air case 10 is connected with secondary air duct 11, be provided with little bellows 12 in the described main air case 10, be provided with adherent wind bellows 13 outside the described side wall 4, described adherent wind bellows 13 are connected with adherent wind air channel 14, described adherent wind bellows 13 are provided with air inlet 21, be equipped with adherent air port 15 on described side wall 4 and the aileron 5, described aileron 5 is provided with exhaust outlet 16, and described aileron 5 is provided with anti-scorch air port 17 along short transverse.
Described adherent wind air channel 14 is provided with air door 18, is provided with velometer 19 in the described adherent wind air channel 14.
Described secondary air damper 7 is provided with four.
Described body of heater 1 is provided with smoke components on-line sampler 20,
Described body of heater 1 lower end is provided with feet 22.
Operation principle of the present utility model: in order to prevent aileron zone coking, main means: the one, reduce this regional temperature levels, prevent that the soot particle of molten condition is deposited on the aileron water-cooling wall.The 2nd, avoid flame to paste wall, wash away the aileron water-cooling wall.By installing overfiren air port additional at aileron and adjacent area, can realize above purpose.
Further, aileron water-cooling wall middle part increases anti-scorch air port along whole aileron short transverse, and the Secondary Air in its outlet style and main burner zone is basic identical, be intended to by air curtain that long and narrow air port forms, the coking that stops the thermic load upper zone to form is extended to the side wall direction.Position of opening and size are: absolute altitude is by the position perforate of the lower E of arch, F baffle plate, and the perforate mode is for pulling out 146.05mm with the 13rd pipe of aileron outward toward stove.
Further, three differing heights directions at the aileron water-cooling wall increase by three exhaust outlets, outlet style and border wind are basic identical, be intended to by suitably highly increasing an amount of anti-scorch wind, be used for extension and the development of the coking of blocking-up water-cooling wall, avoid the generation of large-area coking phenomenon, stop dropping of bulk coke button and the security incident that causes.Adopt and remove the formation of four angle blade wall part pipe way band steels, though do not need the water-cooling wall pipe to change.Position of opening and size are: absolute altitude 25000,23600,22200, perforate highly are 130mm.
Further, increase by four little bellows in four jiaos of former large bellows of burner hearth, the upper end is air inlet, and the vertical water wall sealing plate in little bellows scope is opened a square hole, removes simultaneously counterpart pipe way band steel.
Further, above anti-coking wind air quantity adopts baffle controls, and four jiaos in burner hearth respectively installs a secondary air damper additional.
The beneficial effects of the utility model have: 1. and simple in structure, use, easy for installation, simple to operate, laborsaving, safe and reliable; Boiler be difficult for coking, Jiao that collapses, regional space is large.
The above is preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (5)

1. W type flame boiler aileron coking device, comprise body of heater, it is characterized in that, described body of heater is by front wall, rear wall, side wall, aileron and chimney arch form, be provided with secondary air damper in the described body of heater, all be connected by aileron between described front wall and the side wall and between rear wall and the side wall, described front wall, rear wall, side wall, all be connected with water screen tube and fin in aileron and the chimney arch, described front wall and the rear wall outside all are equipped with the main air case, described main air case is connected with secondary air duct, be provided with little bellows in the described main air case, described side wall is provided with adherent wind bellows outward, and described adherent wind bellows are connected with adherent wind air channel, described adherent wind bellows are provided with air inlet, be equipped with adherent air port on described side wall and the aileron, described aileron is provided with exhaust outlet, and described aileron is provided with anti-scorch air port along short transverse.
2. W type flame boiler aileron coking device according to claim 1 is characterized in that described adherent wind air channel is provided with air door, and described adherent wind is provided with velometer in the air channel.
3. W type flame boiler aileron coking device according to claim 1 is characterized in that described secondary air damper is provided with four.
4. W type flame boiler aileron coking device according to claim 1 is characterized in that described body of heater is provided with the smoke components on-line sampler,
5. W type flame boiler aileron coking device according to claim 1 is characterized in that described body of heater lower end is provided with feet.
CN 201320232786 2013-04-30 2013-04-30 Wing wall anti-coking device of W-shaped flame boiler Expired - Fee Related CN203258663U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320232786 CN203258663U (en) 2013-04-30 2013-04-30 Wing wall anti-coking device of W-shaped flame boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320232786 CN203258663U (en) 2013-04-30 2013-04-30 Wing wall anti-coking device of W-shaped flame boiler

Publications (1)

Publication Number Publication Date
CN203258663U true CN203258663U (en) 2013-10-30

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107327837A (en) * 2017-07-24 2017-11-07 无锡华光锅炉股份有限公司 The easy coking area of main burner solves coking structure
CN107355811A (en) * 2016-06-02 2017-11-17 中国大唐集团科学技术研究院有限公司 Boiler combustion optimization method of adjustment
CN110360542A (en) * 2019-07-30 2019-10-22 华中科技大学 A kind of boiler system for alleviating water-cooling wall coking and slagging and high temperature corrosion

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107355811A (en) * 2016-06-02 2017-11-17 中国大唐集团科学技术研究院有限公司 Boiler combustion optimization method of adjustment
CN107355811B (en) * 2016-06-02 2019-08-06 中国大唐集团科学技术研究院有限公司 Boiler combustion optimization method of adjustment
CN107327837A (en) * 2017-07-24 2017-11-07 无锡华光锅炉股份有限公司 The easy coking area of main burner solves coking structure
CN110360542A (en) * 2019-07-30 2019-10-22 华中科技大学 A kind of boiler system for alleviating water-cooling wall coking and slagging and high temperature corrosion

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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: 20131030

Termination date: 20150430

EXPY Termination of patent right or utility model