CN209147057U - A kind of corner tube type steam boiler - Google Patents
A kind of corner tube type steam boiler Download PDFInfo
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- CN209147057U CN209147057U CN201821654680.9U CN201821654680U CN209147057U CN 209147057 U CN209147057 U CN 209147057U CN 201821654680 U CN201821654680 U CN 201821654680U CN 209147057 U CN209147057 U CN 209147057U
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- fire grate
- economizer
- type steam
- tube type
- temperature economizer
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Abstract
The utility model discloses a kind of corner tube type steam boilers, including boiler body, drum is provided with above the boiler body, the side of the boiler body is provided with fire grate, and fuel inlet is provided with above fire grate, combuster is arranged in the side of the fire grate, and the side of combustion chamber is provided with membrane wall heating surface, flue tube is provided in the combustion chamber, and the outlet of flue tube is connected with high-temperature economizer, one end of the high-temperature economizer is connected with low-level (stack-gas) economizer, and one end of low-level (stack-gas) economizer is connected with air preheater, one end of the air preheater is provided with exhanst gas outlet, the fire grate is stepping fire grate, and fire grate is connect with hydraulic push rod, cooling water pipe is provided with below the fire grate, the cooling water pipe is connect with header tank.The utility model is improved by designing fire grate, can greatly improve the efficiency of combustion of solid fuel and the service life of fire grate, have the advantages that high combustion efficiency, long service life, disposal of pollutants are low.
Description
Technical field
The utility model belongs to boiler technology field, and in particular to a kind of corner tube type steam boiler.
Background technique
Boiler is a kind of energy conversion, and the energy inputted to boiler has chemical energy, electric energy in fuel, boiler output
Steam, high-temperature water or organic heat carrier with certain thermal energy.The original meaning of pot refers to that the water container heated on fire, furnace refer to burning
The place of fuel, boiler include pot and furnace two large divisions.The hot water or steam generated in boiler can directly be industrial production and people
The people's livelihood is living to provide required thermal energy, mechanical energy can also be converted to by Steam Power Equipment, or again turn mechanical energy by generator
It is changed to electric energy.The boiler for providing hot water is known as hot-water boiler, is mainly used for living, also there is a small amount of application in industrial production.It generates
The boiler of steam is known as steam boiler, is often simply called boiler, is chiefly used in thermal power station, ship, locomotive and industrial and mining enterprises.
Existing corner tube boiler is commonly equipped with flake type, cross beam type fire grate, and solid is imperfect combustion, and heat loss is larger, and
In order to guarantee burning sufficiently in actual motion, actual excess air ratio is larger, and the initial ejection concentration of oxynitrides is higher,
It is unable to satisfy actual use demand.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of corner tube type steam boiler
Technical problem.
In order to solve the above technical problems, the utility model provides the following technical solutions: a kind of corner tube type steam boiler, including
Boiler body is provided with drum above the boiler body, and the side of the boiler body is provided with fire grate, and fire grate is upper
Side is provided with fuel inlet, and combuster is arranged in the side of the fire grate, and the side of combustion chamber is provided with membrane wall heating surface,
Flue tube is provided in the combustion chamber, and the outlet of flue tube is connected with high-temperature economizer, one end of the high-temperature economizer
It is connected with low-level (stack-gas) economizer, and one end of low-level (stack-gas) economizer is connected with air preheater, one end setting of the air preheater
There is exhanst gas outlet, the fire grate is stepping fire grate, and fire grate is connect with hydraulic push rod, is provided with cooling water below the fire grate
Pipe, the cooling water pipe are connect with header tank.
As further improvement to above-mentioned technical proposal, the high-temperature economizer, low-level (stack-gas) economizer, air preheater
Lower section is provided with ash bucket.
As further improvement to above-mentioned technical proposal, the high-temperature economizer, low-level (stack-gas) economizer, air preheater
Lower section is provided with support frame.
As further improvement to above-mentioned technical proposal, slag pushing rod, and slag pushing rod and liquid are provided in the combustion chamber
Pressure device connection.
As further improvement to above-mentioned technical proposal, slag notch is provided with below the boiler body.
As further improvement to above-mentioned technical proposal, the fire grate is provided with two groups, and about boiler body center
It is symmetrical arranged.
Compared with prior art, the utility model has the beneficial effects that the utility model is scientific and reasonable for structure, pass through setting
There is step-by-step movement fire grate, drives step-by-step movement fire grate mobile by hydraulic push rod, the more abundant of solid fuel ignition can be made, reduce heat
Amount loss, reduces the discharge of oxynitrides, while being provided with cooling water pipe below stepping fire grate, by connecting with header tank
It connects, forms a water cooling cycle, fire grate is constantly cooled down, the service life of fire grate is improved, small with thermal loss,
The low advantage of high combustion efficiency, disposal of pollutants.
Detailed description of the invention
Fig. 1 is the left view of boiler body.
Fig. 2 is the main view of boiler body.
In figure: 1- fire grate;2- fuel inlet;The combustion chamber 3-;4- membrane wall heating surface;5- drum;6- slag pushing rod;7- slags tap
Mouthful;8- exhanst gas outlet;9- air preheater;10- low-level (stack-gas) economizer;11- high-temperature economizer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides following examples: a kind of corner tube type steam boiler, including boiler body referring to FIG. 1-2,
Drum 5 is provided with above the boiler body, the side of the boiler body is provided with fire grate 1, and the top setting of fire grate 1
There is fuel inlet 2, fuel enters on fire grate 1 burning in the combustion chamber 3 for entering 1 side of fire grate by fuel inlet 2,
And the side of combustion chamber 3 is provided with membrane wall heating surface 4, and the heat of flue gas, the burning can be absorbed by membrane wall heating surface 4
It is provided with slag pushing rod 6 in room 3, and slag pushing rod 6 is connect with hydraulic device, it is residual 3 fuel of combustion chamber can be cleared up by slag pushing rod 6
Slag is provided with flue tube in the combustion chamber 3, and the outlet of flue tube is connected with high-temperature economizer 11, the high-temperature economizer
11 one end is connected with low-level (stack-gas) economizer 10, and one end of low-level (stack-gas) economizer 10 is connected with air preheater 9, the air preheat
One end of device 9 is provided with exhanst gas outlet 8, and the flue gas in combustion chamber 3 enters corner tube boiler two sides by flue tube, and passes through cigarette
Deferent outlet sequentially enters high-temperature economizer 11, low-level (stack-gas) economizer 10, air preheater 9, finally gives off from exhanst gas outlet 8
Go, the high-temperature economizer 11, low-level (stack-gas) economizer 10, air preheater 9 lower section be provided with ash bucket and support frame.
In the above-described embodiments, specifically, the fire grate 1 is stepping fire grate, and fire grate 1 is connect with hydraulic push rod, is passed through
The promotion and then drive stepping fire grate movement of hydraulic push rod, can be improved the efficiency of combustion of solid fuel, and then reduce nitrogen oxidation and close
The discharge of object, the lower section of the fire grate 1 are provided with cooling water pipe, and the cooling water pipe is connect with header tank, cooling water pipe and collection
Water tank forms a cooling water recirculation system, after cooling water pipe absorbs the heat on fire grate 1, returns to cooling in header tank, then
It is again introduced into cooling water pipe to the cooling of fire grate 1, can have good cooling effect, improve the service life of fire grate 1.
Further, it is provided with slag notch 7 below the boiler body, it is residual to exclude the solid combustion in boiler
Slag.
Further, the fire grate 1 is provided with two groups, and about boiler body center symmetric setting, can be from boiler sheet
Body two sides are burnt simultaneously, improve boiler efficiency.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of corner tube type steam boiler, including boiler body, drum (5), the pot are provided with above the boiler body
The side of furnace body is provided with fire grate (1), and fuel inlet (2) are provided with above fire grate (1), the side of the fire grate (1)
It is arranged combuster (3), and the side of combustion chamber (3) is provided with membrane wall heating surface (4), is provided in the combustion chamber (3)
Flue tube, and the outlet of flue tube is connected with high-temperature economizer (11), one end of the high-temperature economizer (11) is connected with low temperature
Economizer (10), and one end of low-level (stack-gas) economizer (10) is connected with air preheater (9), one end of the air preheater (9)
It is provided with exhanst gas outlet (8), it is characterised in that: the fire grate (1) is stepping fire grate, and fire grate (1) is connect with hydraulic push rod, institute
It states and is provided with cooling water pipe below fire grate (1), the cooling water pipe is connect with header tank.
2. a kind of corner tube type steam boiler according to claim 1, it is characterised in that: the high-temperature economizer (11), low temperature
Economizer (10), air preheater are provided with ash bucket below (9).
3. a kind of corner tube type steam boiler according to claim 2, it is characterised in that: the high-temperature economizer (11), low temperature
Economizer (10), air preheater are provided with support frame below (9).
4. a kind of corner tube type steam boiler according to claim 1, it is characterised in that: be provided with and push away in the combustion chamber (3)
Slag bar (6), and slag pushing rod (6) is connect with hydraulic device.
5. a kind of corner tube type steam boiler according to claim 1, it is characterised in that: be provided with below the boiler body
Slag notch (7).
6. a kind of corner tube type steam boiler according to claim 1, it is characterised in that: the fire grate (1) is provided with two groups, and
About boiler body center symmetric setting.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821654680.9U CN209147057U (en) | 2018-10-12 | 2018-10-12 | A kind of corner tube type steam boiler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821654680.9U CN209147057U (en) | 2018-10-12 | 2018-10-12 | A kind of corner tube type steam boiler |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209147057U true CN209147057U (en) | 2019-07-23 |
Family
ID=67269117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821654680.9U Active CN209147057U (en) | 2018-10-12 | 2018-10-12 | A kind of corner tube type steam boiler |
Country Status (1)
Country | Link |
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CN (1) | CN209147057U (en) |
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2018
- 2018-10-12 CN CN201821654680.9U patent/CN209147057U/en active Active
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