CN207936035U - Three backhaul hot air type shell boiler of fuel-firing gas-firing - Google Patents
Three backhaul hot air type shell boiler of fuel-firing gas-firing Download PDFInfo
- Publication number
- CN207936035U CN207936035U CN201721618949.3U CN201721618949U CN207936035U CN 207936035 U CN207936035 U CN 207936035U CN 201721618949 U CN201721618949 U CN 201721618949U CN 207936035 U CN207936035 U CN 207936035U
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- CN
- China
- Prior art keywords
- backhaul
- firing
- smoke pipe
- hot air
- fuel
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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 a kind of three backhaul hot air type shell boilers of fuel-firing gas-firing, the tail end of the boiler body is equipped with the useless cigarette input end of energy-saving appliance, energy-saving appliance is connected between the useless cigarette input end and useless cigarette outlet end, the useless outer flue arranged of cigarette outlet end connection, the import flue gas cover at the energy-saving appliance both ends, exiting flue gas cover respectively with useless cigarette input end, useless cigarette outlet end is affixed by flange plate bolt, it is equipped with the first backhaul smoke pipe inside the energy-saving appliance successively from left to right, second backhaul smoke pipe, air preheater, the first backhaul smoke pipe, corresponding water pipe header is respectively set on the outside of second backhaul smoke pipe, the air preheater respectively with hot air outlet cover, inlet of cold air cover is connected, and it is arranged in fan housing shell.Using the technical program, has the characteristics that safe and reliable, efficient, aesthetic in appearance, compact-sized, occupation of land province, simple installation, be used suitable for all trades and professions production, life.
Description
Technical field
The utility model is related to the technical field of three backhaul shell boilers, more particularly to a kind of three backhaul hot wind of fuel-firing gas-firing
Type shell boiler.
Background technology
Existing shell boiler is mainly coal-fired, combustion natural gas or oil burning boiler or oil-gas two-way type boiler, traditional pot
The high-temperature flue gas generated in shell boiler inner combustion chamber carries out cold water heat exchange through energy-saving appliance, provides hot water use, subsequent high temperature
Flue gas is discharged through chimney, and such high-temperature flue gas is low for energy-saving appliance cold water heat exchange utilization rate, and a large amount of high-temperature flue gas
It is discharged from chimney, when boiler works long hours, the pernicious gas in the flue gas being detained for a long time often will be to smoke pipe wall
Certain corrosion is caused, and causes boiler efficiency low, for this purpose, we design a kind of three backhaul hot air type shell pot of fuel-firing gas-firing
Stove.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of three backhaul hot air type shell boiler of fuel-firing gas-firing,
Air preheater is increased in the energy-saving appliance of boiler body back-end surfaces, then exhaust gas temperature is just lower, boiler efficiency is just more
It is high.
To achieve the above object, the utility model provides technical solution below：A kind of three backhaul hot air type of fuel-firing gas-firing
Shell boiler comprising boiler body, lower part is equipped with burner hearth in boiler body, and upper part is equipped with carbonated drink room；Burner hearth rear end is back
Fire room；Be equipped with one or more the first backhaul smoke pipe and the second backhaul smoke pipe in carbonated drink room, first backhaul smoke pipe one end with strile-back
Room is connected to, and the other end is connected with one end of the second backhaul smoke pipe, and the other end of the second backhaul smoke pipe is connected to by flue
Outside boiler body；Pyrotechnics when work passes through three burner hearth, the first backhaul smoke pipe and the second backhaul smoke pipe backhaul pathways successively.
Preferably, energy-saving appliance is installed on the flue.
Preferably, it is also equipped with air preheater on the flue；Air preheater is located at the flow of flue gas side of energy-saving appliance
To postorder position.
Preferably, further include cold water tube system, cold water tube system includes that carbonated drink room water inlet pipe is intake with energy-saving appliance
Pipe, carbonated drink room water inlet pipe are in parallel with energy-saving appliance water inlet pipe.
Preferably, the side of the boiler body is equipped with platform staircase, and being internally provided with described in combustor for boiler body is given up
The outer flue arranged of cigarette outlet end connection, the import flue gas cover at the energy-saving appliance both ends, exiting flue gas cover respectively with useless cigarette input end,
Useless cigarette outlet end is affixed by flange plate bolt, is respectively set on the outside of the first backhaul smoke pipe, the second backhaul smoke pipe opposite
The water pipe header answered, the air preheater are connected with hot air outlet cover, inlet of cold air cover respectively, and are arranged in fan housing
In shell.
Preferably, the first backhaul smoke pipe, the second backhaul smoke pipe inside be respectively equipped with multigroup wavy and be connected
Multigroup first finned tube group, the second finned tube group, the first finned tube group, the second finned tube group inlet and outlet nozzle end with
Corresponding water pipe header is connected.
Preferably, the adjacent fins pipe end between the first finned tube group, the second finned tube group is connected by U-shaped elbow
It connects.
Preferably, the first backhaul smoke pipe, the second backhaul smoke pipe are arranged in the first case.
Preferably, the water pipe header is arranged in the second case.
Preferably, the import flue gas cover, exiting flue gas cover are capitate closing in shape cover body.
Preferably, the energy-saving appliance bottom surface by braced frame support fix, and the bottom end of energy-saving appliance be connected setting it is U-shaped dredge
Water pipe.
It is using the advantageous effect of above technical scheme：
1, air preheater is increased in the energy-saving appliance of boiler body back-end surfaces, then exhaust gas temperature is just lower,
Boiler efficiency is with regard to higher.
2, have the characteristics that safe and reliable, efficient, aesthetic in appearance, compact-sized, occupation of land province, simple installation, be suitable for
All trades and professions production, life are used.
Description of the drawings
Fig. 1 is the structural schematic diagram of three backhaul hot air type shell boiler of the utility model fuel-firing gas-firing；
Fig. 2 is energy-saving appliance internal structure schematic diagram in three backhaul hot air type shell boiler of the utility model fuel-firing gas-firing；
Fig. 3 is the energy-saving appliance sectional view of three backhaul hot air type shell boiler of the utility model fuel-firing gas-firing；
Fig. 4 is the energy-saving appliance outboard front view of three backhaul hot air type shell boiler of the utility model fuel-firing gas-firing；
Fig. 5 is three backhaul hot air type shell boiler cooling water cold water tube system parallel-connection structure of the utility model fuel-firing gas-firing
Schematic diagram；
Fig. 6 is the cross-sectional view of the boiler body of the utility model；
Fig. 7 is the right view of Fig. 6.
Wherein, 1- boiler bodies；2- platform staircases；3- cold water tube systems；4- combustors；The useless cigarette input ends of 5-；6- is saved
It can device；7- gives up cigarette outlet end；8- flues；9- import flue gas covers；10- exiting flue gas covers；11- the first backhaul smoke pipes；12- second
Backhaul smoke pipe；13- air preheaters；14- elbows；The first cases of 15-；16- the first finned tube groups；17- the second finned tube groups；
18- fan housing shells；19- hot air outlet covers；20- inlet of cold air covers；21- water pipe headers；The second cases of 22-；23- support frames
Frame；24-U types drain pipe, 25-- furnace chambers, 26-- carbonated drinks room, 27-- return combustion chambers, 28-- carbonated drinks room water inlet pipe, 29-- energy-saving appliances into
Water pipe.
Specific implementation mode
The preferred embodiment that according to the present invention will be described in detail below with reference to the accompanying drawings.
As shown in Figs 1-4, specific embodiment of the present utility model：A kind of three backhaul hot air type shell pot of fuel-firing gas-firing
Stove comprising boiler body 1, lower part is equipped with burner hearth 25 in boiler body 1, and upper part is equipped with carbonated drink room 26；25 rear end of burner hearth is
Return combustion chamber 27；One or more the first backhaul smoke pipe 11 and the second backhaul smoke pipe 12, the first backhaul smoke pipe are equipped in carbonated drink room 26
11 one end are connected to return combustion chamber 27, and the other end is connected with one end of the second backhaul smoke pipe 12, the second backhaul smoke pipe 12 it is another
One end is connected to by flue 8 outside boiler body 1；Pyrotechnics when work passes through burner hearth 25, the first backhaul smoke pipe 11 and the successively
12 3 backhaul pathways of two return smoke pipe.
Energy-saving appliance 6 is installed on flue 8；Air preheater 13 is also equipped on the flue 8；13, air preheater
Postorder position in the flow of flue gas direction of energy-saving appliance 6.
Change and be additionally provided with cold water tube system 3 in boiler body 1, cold water tube system 3 includes carbonated drink room water inlet pipe 28 and section
Energy device water inlet pipe 29, carbonated drink room water inlet pipe 28 is in parallel with energy-saving appliance water inlet pipe 29；I.e. Loop Water supplies water to ontology simultaneously, also gives
Energy-saving appliance supplies water, i.e., independently supplies water, prevent relay pumping, behind water temperature it is high, cannot absorb heat, radiate instead.
The import flue gas cover 9 at 6 both ends of energy-saving appliance, exiting flue gas cover 10 are logical with useless cigarette input end 5, useless cigarette outlet end 7 respectively
It is affixed to cross flange plate bolt, import flue gas cover 9, exiting flue gas cover 10 be capitate closing in shape cover body, convenient for high-temperature flue gas into
Enter or be discharged, 6 bottom surface of energy-saving appliance is supported by braced frame 23 and fixed, and the bottom end of energy-saving appliance 6 is connected the U-shaped drain pipe of setting
24, drain pipe 24 is for being discharged the hot water after high-temperature flue gas exchanges heat.
First backhaul smoke pipe 11, the second backhaul smoke pipe 12 are arranged in the first case 15, the first backhaul smoke pipe 11, second
Corresponding water pipe header 21 is respectively set in the outside of backhaul smoke pipe 12, and water pipe header 21 is arranged in the second case 22, air
Preheater 13 is connected with hot air outlet cover 19, inlet of cold air cover 20 respectively, and is arranged in fan housing shell 18.
First backhaul smoke pipe 11, the second backhaul smoke pipe 12 inside be respectively equipped with it is multigroup wavy and be connected multigroup
One finned tube group 16, the second finned tube group 17, the first finned tube group 16, the second finned tube group 17 inlet and outlet nozzle end with phase
The water pipe header 21 answered is connected, and the adjacent fins pipe end between the first finned tube group 16, the second finned tube group 17 is by U-shaped elbow
14 are connected.
The utility model is implemented：4 fuel-firing gas-firing of combustor work in boiler body 1, tail end generates big
The high-temperature flue gas of amount, high-temperature flue gas are discharged into from expense input end 5 in energy-saving appliance 6, by the first backhaul smoke pipe 11, the second return smoke
Pipe 12, the first finned tube group 16, the second finned tube group 17 inside return duct are recycled out of water pipe header 21 is passed through cooling water,
Cooling water absorbs the heat of high-temperature flue gas, exchanges heat into hot water and is dispensed into U-shaped drain pipe 24, it is possible to provide and hot water uses,
And 6 tail end of energy-saving appliance adds economizer bank group 13, economizer bank group 13 is passed through cold air out of inlet of cold air cover 20, into
Hot-air after high-temperature flue gas heat exchange is discharged from hot air outlet cover, realizes that third return smoke pipeline exchanges heat to high-temperature flue gas
It is cooling so as to be finally discharged into low-temperature flue gas discharge out of flue 8 of useless cigarette outlet end 7.Using the technical program, in boiler body
Air preheater is increased in the energy-saving appliance of back-end surfaces, then exhaust gas temperature is just lower, boiler efficiency is with regard to higher；And have
Securely and reliably, the features such as efficient, aesthetic in appearance, compact-sized, occupation of land province, simple installation, it is suitable for all trades and professions production, life
Work is used.
The above are merely preferred embodiments of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the present invention, various modifications and improvements can be made, these belong to this
The protection domain of utility model.
Claims (10)
1. a kind of three backhaul hot air type shell boiler of fuel-firing gas-firing comprising boiler body (1), it is characterised in that：Boiler body
(1) interior lower part is equipped with burner hearth (25), and upper part is equipped with carbonated drink room (26)；Burner hearth (25) rear end is return combustion chamber (27)；Carbonated drink room
(26) be equipped with one or more the first backhaul smoke pipe (11) and the second backhaul smoke pipe (12) in, first backhaul smoke pipe (11) one end and
Return combustion chamber (27) is connected to, and the other end is connected with one end of the second backhaul smoke pipe (12), the second backhaul smoke pipe (12) it is another
End is connected to boiler body (1) outside by flue (8)；Pyrotechnics when work passes through burner hearth (25), the first backhaul smoke pipe successively
(11) and (12) three backhaul pathways of the second backhaul smoke pipe.
2. three backhaul hot air type shell boiler of fuel-firing gas-firing according to claim 1, it is characterised in that：The flue (8)
On energy-saving appliance (6) is installed.
3. three backhaul hot air type shell boiler of fuel-firing gas-firing according to claim 2, it is characterised in that：The flue (8)
On be also equipped with air preheater (13)；Air preheater (13) is located at the postorder position in the flow of flue gas direction of energy-saving appliance (6).
4. three backhaul hot air type shell boiler of fuel-firing gas-firing according to claim 1 or 2 or 3, it is characterised in that：It is also wrapped
Cold water tube system (3) is included, cold water tube system (3) includes carbonated drink room water inlet pipe (28) and energy-saving appliance water inlet pipe (29), carbonated drink
Room water inlet pipe (28) is in parallel with energy-saving appliance water inlet pipe (29).
5. three backhaul hot air type shell boiler of a kind of fuel-firing gas-firing according to claim 3, which is characterized in that the boiler
The side of ontology (1) is equipped with platform staircase (2), and boiler body (1) is internally provided with combustor (4), cigarette outlet end (7) connection of giving up
The flue (8) of outer row, the import flue gas cover (9) at energy-saving appliance (6) both ends, exiting flue gas cover (10) respectively with useless cigarette input end
(5), give up cigarette outlet end (7) it is affixed by flange plate bolt, the first backhaul smoke pipe (11), the second backhaul smoke pipe (12) it is outer
Side is respectively set corresponding water pipe header (21), the air preheater (13) respectively with hot air outlet cover (19), cold sky
Gas is connected into mask (20), and is arranged in fan housing shell (18).
6. three backhaul hot air type shell boiler of a kind of fuel-firing gas-firing according to claim 1, which is characterized in that described first
Backhaul smoke pipe (11), the second backhaul smoke pipe (12) inside be respectively equipped with multigroup first finned tube that is multigroup wavy and being connected
Group (16), the second finned tube group (17), the first finned tube group (16), the second finned tube group (17) inlet and outlet nozzle end with
Corresponding water pipe header (21) is connected；Adjacent fins between the first finned tube group (16), the second finned tube group (17)
Pipe end is connected by U-shaped elbow (14).
7. three backhaul hot air type shell boiler of a kind of fuel-firing gas-firing according to claim 1, which is characterized in that described first
Backhaul smoke pipe (11), the second backhaul smoke pipe (12) are arranged in the first case (15).
8. three backhaul hot air type shell boiler of a kind of fuel-firing gas-firing according to claim 5, which is characterized in that the water pipe
Header (21) setting is in the second case (22).
9. three backhaul hot air type shell boiler of a kind of fuel-firing gas-firing according to claim 5, which is characterized in that the import
Flue gas cover (9), exiting flue gas cover (10) are capitate closing in shape cover body.
10. three backhaul hot air type shell boiler of a kind of fuel-firing gas-firing according to claim 2, which is characterized in that the section
Can device (6) bottom surface supported and fix by braced frame (23), and the bottom end of energy-saving appliance (6) is connected the U-shaped drain pipe (24) of setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721618949.3U CN207936035U (en) | 2017-11-28 | 2017-11-28 | Three backhaul hot air type shell boiler of fuel-firing gas-firing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721618949.3U CN207936035U (en) | 2017-11-28 | 2017-11-28 | Three backhaul hot air type shell boiler of fuel-firing gas-firing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207936035U true CN207936035U (en) | 2018-10-02 |
Family
ID=63645766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721618949.3U Expired - Fee Related CN207936035U (en) | 2017-11-28 | 2017-11-28 | Three backhaul hot air type shell boiler of fuel-firing gas-firing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207936035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893984A (en) * | 2017-11-28 | 2018-04-10 | 湖南长宏南雁锅炉修理安装有限公司 | The backhaul hot air type shell boiler of fuel-firing gas-firing three |
-
2017
- 2017-11-28 CN CN201721618949.3U patent/CN207936035U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893984A (en) * | 2017-11-28 | 2018-04-10 | 湖南长宏南雁锅炉修理安装有限公司 | The backhaul hot air type shell boiler of fuel-firing gas-firing three |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 Termination date: 20191128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |