CN207230919U - A kind of chain grate hot-water boiler with boiler tail afterheat energy-saving environmental protecting device - Google Patents
A kind of chain grate hot-water boiler with boiler tail afterheat energy-saving environmental protecting device Download PDFInfo
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- CN207230919U CN207230919U CN201721289039.5U CN201721289039U CN207230919U CN 207230919 U CN207230919 U CN 207230919U CN 201721289039 U CN201721289039 U CN 201721289039U CN 207230919 U CN207230919 U CN 207230919U
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- boiler
- waste heat
- tube socket
- convection bank
- air preheater
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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
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Abstract
A kind of chain grate hot-water boiler with boiler tail afterheat energy-saving environmental protecting device.The traveling-grate stoker is arranged on the lower part of boiler body, waste heat boiler, air preheater and dust-removal and desulfurizing expansion chamber are arranged at the rear side of boiler body, air preheater is arranged on the top of dust-removal and desulfurizing expansion chamber, waste heat boiler is arranged on the top of air preheater, and flue is connected between waste heat boiler and boiler body.Beneficial effect：Economize on coal：Waste heat boiler energy saver is added, economizes on coal 15~20% on year-on-year basis.Hot wind for combustion supporting：Flue gas is exchanged heat by air preheater, improves fire grate hot blast temperature.Dust-removal and desulfurizing：Since lower part is settled equipped with the solid particulate matter such as dust-removal and desulfurizing expansion chamber, flue dust under the effect of gravity, launch lump lime in expansion chamber and carry out desulfurization with sulfur dioxide in flue gas reaction, reach dust-removal and desulfurizing purpose.Since resistance is small, power consumption is low, reduces operating cost.The waste heat nest of boiler tube uses convection type structure, is not easy to plug, and service life length, reduces maintenance cost.
Description
Technical field
A kind of chain grate hot-water boiler with boiler tail afterheat energy-saving environmental protecting device is the utility model is related to, is belonged to
Chain grate hot-water boiler technical field.
Background technology
Existing chain grate hot-water boiler tail flue gas waste heat recovery is usually all to save coal using cast iron gilled tube economizer or steel pipe
Device, cast iron gilled tube economizer influence boiler thermal efficiency, and 2~3 years need to change once with being easily to block the shortcomings that steel tube economizer
Economizer, adds the maintenance cost of boiler.Since the flue gas resistance of cast iron gilled tube economizer and steel tube economizer is big, cause power consumption
It is higher, add operating cost.
The content of the invention
The purpose of this utility model is to solve the above-mentioned problems of the prior art, i.e. cast iron gilled tube economizer is saved with steel pipe
The shortcomings that coal device is easily to block, and influences boiler thermal efficiency, and needs to change within 2~3 years an economizer, adds the dimension of boiler
Protect cost.Since the flue gas resistance of cast iron gilled tube economizer and steel tube economizer is big, causes power consumption higher, add operating cost.
And then provide a kind of chain grate hot-water boiler with boiler tail afterheat energy-saving environmental protecting device.
The purpose of this utility model is achieved through the following technical solutions：
A kind of chain grate hot-water boiler with boiler tail afterheat energy-saving environmental protecting device, including：Boiler body, chain
Fire grate, waste heat boiler, flue, air preheater and dust-removal and desulfurizing expansion chamber, the traveling-grate stoker are arranged in boiler body
Lower part, waste heat boiler, air preheater and dust-removal and desulfurizing expansion chamber are arranged on the rear side of boiler body, and air preheater is arranged on
The top of dust-removal and desulfurizing expansion chamber, waste heat boiler are arranged on the top of air preheater, connect between waste heat boiler and boiler body
It is connected to flue.
The air preheater includes upper perforated plate, preheater tubes and lower perforated plate, the upper end of preheater tubes and upper perforated plate
It is connected, the lower end of preheater tubes is connected with lower perforated plate, and the preheater tubes are divided into the first pipe and the second pipe, the
One pipe and the second pipe set up the both sides in air preheater separately.
The waste heat boiler includes upper shell, convection bank, lower shell, saddle, furnace wall, deflected current wall, baffle plate, water inlet
Pipe, blowdown tube socket, pressure gauge tube socket, water outlet tube socket, safety valve tube socket, air bleeding valve tube socket, hanging ring, thermometer tube socket and smoke evacuation
Mouthful, the upper end of the convection bank is connected with upper shell, and the lower end of convection bank is connected with lower shell, and saddle is arranged on
On tube sheet, lower shell is arranged on saddle, and convection bank is divided into the first convection bank, the second convection bank and the 3rd convection tube
Beam, deflected current wall are arranged between the first convection bank and the second convection bank, and baffle plate is arranged on the second convection bank and the 3rd
Between convection bank, the upper end of upper shell is provided with pressure gauge tube socket, water outlet tube socket, safety valve tube socket, air bleeding valve tube socket, hanging ring
With thermometer tube socket, one end of lower shell is provided with water inlet pipe, and the downside of lower shell is equipped with blowdown tube socket, the outside of waste heat boiler
Equipped with furnace wall, the top on the outside of furnace wall is equipped with smoke outlet.
The beneficial effects of the utility model：
1) economize on coal：Add waste heat boiler energy saver, heating surface area increase, water capacity is big, economizes on coal 15~20% on year-on-year basis.
2) hot wind for combustion supporting：After flue gas is exchanged heat by air preheater pipe, it can improve into hot blast temperature in stove, Jin Erti
Blast furnace bore temperature.
3) Environmental-protecting dust-removing desulfurizing function：Since lower part is equipped with the solid particulate matter such as dust-removal and desulfurizing expansion chamber, flue dust in gravity
It can be settled under effect, lump lime is added in expansion chamber and is reacted with sulfur dioxide in flue gas, desulfurization is carried out, reaches dust-removal and desulfurizing ring
The purpose of guarantor.
4) operating cost is reduced：Since resistance is small, power consumption is low, and service life length, does not need to change.
5) since waste heat boiler convection bank uses convection type structure, it is not easy to plug, reduces maintenance cost.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the chain grate hot-water boiler with boiler tail afterheat energy-saving environmental protecting device.
Fig. 2 is the A direction views of Fig. 1.
Fig. 3 is the partial enlarged view of Fig. 1.
Fig. 4 is the B direction views of Fig. 1.
Reference numeral in figure, 1 is boiler body, and 2 be traveling-grate stoker, and 3 be waste heat boiler, and 4 be upper shell, and 5 be convection current
Tube bank, 6 be lower shell, and 7 be saddle, and 8 be furnace wall, and 9 be deflected current wall, and 10 be baffle plate, and 11 be water inlet pipe, and 12 be blowdown tube socket,
13 be pressure gauge tube socket, and 14 be water outlet tube socket, and 15 be safety valve tube socket, and 16 be air bleeding valve tube socket, and 17 be hanging ring, and 18 be thermometer
Tube socket, 19 be flue, and 20 be smoke outlet, and 21 be upper perforated plate, and 22 be air preheater, and 23 be preheater tubes, and 24 be lower perforated plate,
25 be dust-removal and desulfurizing expansion chamber, and 26 be air outlet, and 27 be air inlet, and 51 be the first convection bank, and 52 be the second convection bank, 53
It is the second pipe for the 3rd convection bank, 231,232 be the first pipe.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing：The present embodiment is with the utility model skill
Implemented under premised on art scheme, give detailed embodiment, but the scope of protection of the utility model be not limited to it is following
Embodiment.
As shown in Figure 1 to 4, a kind of chain with boiler tail afterheat energy-saving environmental protecting device involved by the present embodiment
Fire grate hot-water boiler, including：Boiler body 1, traveling-grate stoker 2, waste heat boiler 3, flue 19, air preheater 22 and dust-removal and desulfurizing
Expansion chamber 25, the traveling-grate stoker 2 are arranged on the lower part of boiler body 1, waste heat boiler 3, air preheater 22 and dust-removal and desulfurizing
Expansion chamber 25 is arranged on the rear side of boiler body 1, and air preheater 22 is arranged on the top of dust-removal and desulfurizing expansion chamber 25, waste heat pot
Stove 3 is arranged on the top of air preheater 22, and flue 19 is connected between waste heat boiler 3 and boiler body 1.
The air preheater 22 includes upper perforated plate 21, preheater tubes 23 and lower perforated plate 24, preheater tubes 23 it is upper
End is connected with upper perforated plate 21, and the lower end of preheater tubes 23 is connected with lower perforated plate 24, and the preheater tubes 23 divide for the
One pipe 232 and the second pipe 231, the first pipe 232 and the second pipe 231 set up the both sides in air preheater 22 separately.
The waste heat boiler 3 includes upper shell 4, convection bank 5, lower shell 6, saddle 7, furnace wall 8, deflected current wall 9, baffle plate
10th, water inlet pipe 11, blowdown tube socket 12, pressure gauge tube socket 13, water outlet tube socket 14, safety valve tube socket 15, air bleeding valve tube socket 16, hanging ring
17th, thermometer tube socket 18 and smoke outlet 20, the upper end of the convection bank 5 are connected with upper shell 4, the lower end of convection bank 5
It is connected with lower shell 6, saddle 7 is arranged on upper perforated plate 21, and lower shell 6 is arranged on saddle 7, and convection bank 5 divides for first
Convection bank 51, the second convection bank 52 and the 3rd convection bank 53, deflected current wall 9 are arranged on the first convection bank 51 and second pair
Between flowing bundle 52, baffle plate 10 is arranged between the second convection bank 52 and the 3rd convection bank 53, and the upper end of upper shell 4 is set
Pressure gauge tube socket 13, water outlet tube socket 14, safety valve tube socket 15, air bleeding valve tube socket 16, hanging ring 17 and thermometer tube socket 18 are equipped with, under
One end of cylinder 6 is provided with water inlet pipe 11, and the downside of lower shell 6 is equipped with blowdown tube socket 12, and the outside of waste heat boiler 3 is equipped with furnace wall
8, the top in the outside of furnace wall 8 is equipped with smoke outlet 20.
Operation principle
Flue gas after coal burns in stove enters waste heat boiler 3 via flue 19, washes away the first convection bank 51, through baffling
Wall 9 acts on flue gas downlink and washes away the second convection bank 52 and the first pipe of air preheater 232, and flue gas exists under air-introduced machine effect
The rear side of baffle plate 10, which rises, washes away air preheater the second pipe 231 and the 3rd convection bank 53, and the flue gas after heat exchange utilizes leads to
Smoke outlet 20 is crossed to discharge out of the furnace.Fraction solids particulate matter is settled, dust-removal and desulfurizing expansion chamber 25 carries out under the effect of weight power
Gather dust processing.Lump lime is added in expansion chamber to react with sulfur dioxide in flue gas, carries out desulfurization, reaches dust-removal and desulfurizing environmental protection
Purpose.
One net backwater (or two net backwater) enters lower drum 6 through water inlet pipe 11, and upper shell 4 is risen to by convection bank 5.
After sweep of gases tube bank heat exchange, return water temperature can be improved 3~5 DEG C.Hot water after exchanging heat in upper shell 4 is by outlet pipe 14
Connection enters boiler body.Air preheater pipe 23 is arranged using vertical structure, is not easy dust stratification, and flue gas is walked in pipe, and pipe is outer to be
Air.After the cold air of air inlet 27 is exchanged heat by air preheater pipe 23, connect after air outlet 26 with fire grate inlet air bellows
It is logical, into stove.
The above, is only the preferable embodiment of the utility model, these embodiments are all based on this
Different implementations under utility model general idea, and the scope of protection of the utility model is not limited thereto, it is any ripe
Those skilled in the art are known in the technical scope that the utility model discloses, the change or replacement that can be readily occurred in, all
It should cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with claims
Subject to protection domain.
Claims (3)
1. a kind of chain grate hot-water boiler with boiler tail afterheat energy-saving environmental protecting device, including：Boiler body (1), chain
Bar fire grate (2), waste heat boiler (3), flue (19), air preheater (22) and dust-removal and desulfurizing expansion chamber (25), the chain furnace
Row (2) is arranged on the lower part in boiler body (1), it is characterised in that waste heat boiler (3), air preheater (22) and dedusting take off
Sulfur deposition room (25) is arranged on the rear side of boiler body (1), and air preheater (22) is arranged on dust-removal and desulfurizing expansion chamber (25)
Top, waste heat boiler (3) are arranged on the top of air preheater (22), are connected between waste heat boiler (3) and boiler body (1)
Flue (19).
2. the chain grate hot-water boiler according to claim 1 with boiler tail afterheat energy-saving environmental protecting device, it is special
Sign is that the air preheater (22) includes upper perforated plate (21), preheater tubes (23) and lower perforated plate (24), preheater tubes
(23) upper end is connected with upper perforated plate (21), and the lower end of preheater tubes (23) is connected with lower perforated plate (24), the preheating
Device pipe (23) is divided into the first pipe (232) and the second pipe (231), and the first pipe (232) and the second pipe (231) set up separately
Both sides in air preheater (22).
3. the chain grate hot-water boiler according to claim 2 with boiler tail afterheat energy-saving environmental protecting device, it is special
Sign is that the waste heat boiler (3) includes upper shell (4), convection bank (5), lower shell (6), saddle (7), furnace wall (8), folding
Flow wall (9), baffle plate (10), water inlet pipe (11), blowdown tube socket (12), pressure gauge tube socket (13), water outlet tube socket (14), safety valve
Tube socket (15), air bleeding valve tube socket (16), hanging ring (17), thermometer tube socket (18) and smoke outlet (20), the convection bank (5)
Upper end is connected with upper shell (4), and the lower end of convection bank (5) is connected with lower shell (6), and saddle (7) is arranged on upper perforated plate
(21) on, lower shell (6) is arranged on saddle (7), and convection bank (5) is divided into the first convection bank (51), the second convection bank
(52) it is arranged on the 3rd convection bank (53), deflected current wall (9) between the first convection bank (51) and the second convection bank (52),
Baffle plate (10) is arranged between the second convection bank (52) and the 3rd convection bank (53), and the upper end of upper shell (4) is provided with
Pressure gauge tube socket (13), water outlet tube socket (14), safety valve tube socket (15), air bleeding valve tube socket (16), hanging ring (17) and temperature gauge pipe
Seat (18), one end of lower shell (6) are provided with water inlet pipe (11), and the downside of lower shell (6) is equipped with blowdown tube socket (12), waste heat pot
The outside of stove (3) is equipped with furnace wall (8), and the top on the outside of furnace wall (8) is equipped with smoke outlet (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721289039.5U CN207230919U (en) | 2017-09-30 | 2017-09-30 | A kind of chain grate hot-water boiler with boiler tail afterheat energy-saving environmental protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721289039.5U CN207230919U (en) | 2017-09-30 | 2017-09-30 | A kind of chain grate hot-water boiler with boiler tail afterheat energy-saving environmental protecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207230919U true CN207230919U (en) | 2018-04-13 |
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ID=61851058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721289039.5U Active CN207230919U (en) | 2017-09-30 | 2017-09-30 | A kind of chain grate hot-water boiler with boiler tail afterheat energy-saving environmental protecting device |
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| Country | Link |
|---|---|
| CN (1) | CN207230919U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765635A (en) * | 2020-07-29 | 2020-10-13 | 青岛法罗力暖通温控技术设备制造有限公司 | Energy-saving environment-friendly heat conduction oil boiler |
| CN112066777A (en) * | 2020-08-27 | 2020-12-11 | 合肥宽信机电有限公司 | Fin type coal economizer directly contacting with flame |
| CN113532095A (en) * | 2021-05-24 | 2021-10-22 | 广东省现代农业装备研究所 | Liquid heat recovery and impurity removal integrated method |
-
2017
- 2017-09-30 CN CN201721289039.5U patent/CN207230919U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765635A (en) * | 2020-07-29 | 2020-10-13 | 青岛法罗力暖通温控技术设备制造有限公司 | Energy-saving environment-friendly heat conduction oil boiler |
| CN112066777A (en) * | 2020-08-27 | 2020-12-11 | 合肥宽信机电有限公司 | Fin type coal economizer directly contacting with flame |
| CN113532095A (en) * | 2021-05-24 | 2021-10-22 | 广东省现代农业装备研究所 | Liquid heat recovery and impurity removal integrated method |
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