CN206724129U - Single fire Coke-oven Gas Boiler - Google Patents
Single fire Coke-oven Gas Boiler Download PDFInfo
- Publication number
- CN206724129U CN206724129U CN201720585566.4U CN201720585566U CN206724129U CN 206724129 U CN206724129 U CN 206724129U CN 201720585566 U CN201720585566 U CN 201720585566U CN 206724129 U CN206724129 U CN 206724129U
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- CN
- China
- Prior art keywords
- gas
- coke
- economizer
- stabilizer
- oven gas
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- Expired - Fee Related
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Abstract
It the utility model is related to a kind of single fire Coke-oven Gas Boiler.Including burner hearth, gas-fired stabilizer is provided with below the burner hearth, high temperature superheater is provided with the flue on the right side of the burner hearth, low temperature superheater, economizer is provided with the flue of the low temperature superheater bottom, it is characterized in that, the periphery of the gas-fired stabilizer is provided with coke oven gas burner, two layers of periphery for being arranged on gas-fired stabilizer of the coke oven gas burner point, medium temperature overheater is additionally provided with the flue on the right side of the burner hearth, the economizer includes the high-temperature economizer set gradually from the top down, low-level (stack-gas) economizer and last position economizer.The utility model is by providing a kind of single fire Coke-oven Gas Boiler, the effective technical problem for solving coke-stove gas relative surplus in steel plant's CCPP systems, meanwhile, utilize each equipment of mutual cooperation, the utilization rate of the fuel of boiler is reached optimal, improve the service efficiency of boiler.
Description
Technical field
The utility model belongs to Industrial Boiler field, more particularly to a kind of single fire Coke-oven Gas Boiler.
Background technology
In order to avoid energy waste, the loss of the energy is reduced, at present, the characteristic that steel plant produce according to it, largely to put
The coal gas of scattered low heat value is used to generate electricity as main fuel, a large amount of emission coal gas of steel plant is recycled, effectively
The waste for avoiding coal gas, this generation mode is also referred to as gas combustion-gas vapor combined cycle CCPP systems.
However, boiler used in steel plant is all to use various gas mixed combustion at present, this also causes steel plant
The coke-stove gas relative surplus of gas combustion-gas vapor combined cycle CCPP systems.CCPP electricity generation systems lack effective coke-stove gas
Balancing measures, when coke-stove gas relative surplus, can only be solved by increasing combustion engine, cause combustion engine single unit load to drop
Low, the thermal efficiency reduces；In the aging of generating system, device, owe to repair seriously, in the case that failure is multiple, meanwhile, increase combustion engine and add
Overhaul of the equipments pressure, unit reserve ability decline, security, reliability, the economy of system operation be not high, economic loss compared with
Greatly.
Utility model content
The utility model is all that burning plurality of gas mixtures causes CCPP system coke-stove gas relative for above-mentioned boiler
Superfluous technical problem, propose that one kind is reasonable in design, simple in construction, cost is cheap and single fire coke-stove gas, and then solve CCPP
The technical problem of coke-stove gas relative surplus in system.
In order to achieve the above object, the technical solution adopted in the utility model is that it is burnt that the utility model provides a kind of single fire
Producer gas boiler, including burner hearth, are provided with gas-fired stabilizer below the burner hearth, in the flue on the right side of the burner hearth
High temperature superheater, low temperature superheater are provided with, economizer, the coal gas combustion are provided with the flue of the low temperature superheater bottom
The periphery for burning stabilizer is provided with coke oven gas burner, and the coke oven gas burner, which divides two layers, is arranged on gas-fired stabilization
The periphery of device, medium temperature overheater is additionally provided with the flue on the right side of the burner hearth, and the economizer is included from the top down successively
High-temperature economizer, low-level (stack-gas) economizer and the last position economizer of setting.
Preferably, the periphery of the gas-fired stabilizer is provided with 8 coke oven gas burners, the coke-oven coal altogether
Air burner is evenly distributed in the periphery of gas-fired stabilizer.
Preferably, the material of the medium temperature overheater is 12Cr1MoVG alloy pipes.
Compared with prior art, it is the advantages of the utility model with good effect,
1st, the utility model is effectively solved in steel plant's CCPP systems by providing a kind of single fire Coke-oven Gas Boiler
The technical problem of coke-stove gas relative surplus, meanwhile, using each equipment of mutual cooperation, reach the utilization rate of the fuel of boiler
Most preferably, the service efficiency of boiler is improved, in addition, the utility model is simple in construction, easy to process while can be in traditional boiler
On transformed, and then reduce production cost.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
The accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are some embodiments of the utility model,
For those of ordinary skill in the art, without having to pay creative labor, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation for the single fire Coke-oven Gas Boiler that embodiment 1 provides；
More than in each figure, 1, burner hearth；2nd, gas-fired stabilizer；3rd, coke oven gas burner；4th, high temperature superheater；5th, it is low
Warm superheater；6th, medium temperature overheater；7th, high-temperature economizer；8th, low-level (stack-gas) economizer；9th, last position economizer.
Embodiment
It is below in conjunction with the accompanying drawings and real in order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage
Example is applied to be described further the utility model.It should be noted that in the case where not conflicting, embodiments herein and reality
Applying the feature in example can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
New to implement using different from other modes described here, therefore, the utility model is not limited to be described below
The limitation of the specific embodiment of specification.
Embodiment 1, as shown in figure 1, the present embodiment provides a kind of single fire Coke-oven Gas Boiler, the list that the present embodiment is provided
Burning Coke-oven Gas Boiler, which can re-work manufacture, to be modified obtained, this reality in traditional high coking coal gas boiler of multifuel combustion
Applying the single fire Coke-oven Gas Boiler that example is provided includes burner hearth 1, the lower section of burner hearth 1 is provided with gas-fired stabilizer 2, in stove
High temperature superheater 4, low temperature superheater 5 are provided with the flue on the right side of thorax 1, is set in the flue of the bottom of low temperature superheater 5
There is economizer, described above is the common structure of existing boiler, therefore is not added with being described in the present embodiment, certainly, boiler
Also other equipment, such as the equipment such as roof tube, gas preheater, because it is not the improved part of the present embodiment emphasis, its
Position relationship is not added with detailed description such as tradition, therefore in the present embodiment, and the improved place of the present embodiment emphasis exists
In being provided with coke oven gas burner 3 in the periphery of gas-fired stabilizer 2, coke oven gas burner 3, which divides two layers, is arranged on coal
The periphery of gas combustion stabilizer 2, specifically, 8 coke oven gas burners is provided with altogether in the periphery of gas-fired stabilizer 2
3, coke oven gas burner 3 is evenly distributed in the periphery of gas-fired stabilizer 2, so, every layer of coke oven gas burner 3
Just it is arranged at four angles of burner hearth 1, in the present embodiment, the height of coke oven gas burner 3 is 7700mm, 8900mm, is burnt
Device flame kernel circle is Φ 600, and compared to traditional high coke gas boiler height 4700mm of multifuel combustion height, the present embodiment is carried
The coke oven gas burner height of confession can make the utilization rate of coke-stove gas be further improved.
It is less in view of coke-stove gas generation exhaust gas volumn, in order to improve the utilization rate of boiler, in the present embodiment, in burner hearth
Medium temperature overheater 6 is additionally provided with the flue on 1 right side, medium temperature overheater 6 is arranged on the lower section of low temperature superheater 5, so full
With steam through low temperature superheater 5, after being heated subsequently into medium temperature overheater 6, steam imports feedwater spray desuperheating by steam guiding tube again
Device, steam enter the molecular high temperature superheater 4 of pipe by 67 Φ 42mm after desuperheat, and superheated steam is through four Φ 133 of original
Pipe introduce collection vapour header, in order to further reduce flue gas loss, improve boiler thermal output, in the present embodiment, medium temperature
The material of superheater 6 is 12Cr1MoVG alloy pipes.
In order to ensure boiler thermal output and avoid low-temperature corrosion, the economizer that the present embodiment is provided include from the top down according to
High-temperature economizer 7, low-level (stack-gas) economizer 8 and the last position economizer 9 of secondary setting, compared to traditional boiler high temperature economizer 7, low
Warm economizer 8 and air preheater are equipped with, and in the present embodiment, last position economizer is added after low-level (stack-gas) economizer 8
9, air preheater is eliminated, is mainly in view of boiler when coke-stove gas is burnt, its feed temperature is changed to 105 DEG C,
In order to increase economizer caloric receptivity, while ensure exhaust gas temperature control below 160 DEG C, therefore be provided with last position economizer.
It is described above, only it is preferred embodiment of the present utility model, is not that other forms are made to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of change is applied to other fields, but every without departing from the content of the technical scheme of the utility model, according to this reality
Any simple modification, equivalent variations and the remodeling made with new technical spirit to above example, it is new to still fall within this practicality
The protection domain of type technical scheme.
Claims (3)
1. a kind of single fire Coke-oven Gas Boiler, including burner hearth, gas-fired stabilizer, the stove are provided with below the burner hearth
High temperature superheater, low temperature superheater are provided with the flue on the right side of thorax, is provided with the flue of the low temperature superheater bottom
Economizer, it is characterised in that the periphery of the gas-fired stabilizer is provided with coke oven gas burner, the coke-stove gas combustion
Burner divides two layers of periphery for being arranged on gas-fired stabilizer, and medium temperature overheat is additionally provided with the flue on the right side of the burner hearth
Device, the economizer include high-temperature economizer, low-level (stack-gas) economizer and the last position economizer set gradually from the top down.
2. single fire Coke-oven Gas Boiler according to claim 1, it is characterised in that the periphery of the gas-fired stabilizer
8 coke oven gas burners are provided with altogether, and the coke oven gas burner is evenly distributed in the periphery of gas-fired stabilizer.
3. single fire Coke-oven Gas Boiler according to claim 2, it is characterised in that the material of the medium temperature overheater is
12Cr1MoVG alloy pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720585566.4U CN206724129U (en) | 2017-05-24 | 2017-05-24 | Single fire Coke-oven Gas Boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720585566.4U CN206724129U (en) | 2017-05-24 | 2017-05-24 | Single fire Coke-oven Gas Boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206724129U true CN206724129U (en) | 2017-12-08 |
Family
ID=60511175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720585566.4U Expired - Fee Related CN206724129U (en) | 2017-05-24 | 2017-05-24 | Single fire Coke-oven Gas Boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206724129U (en) |
-
2017
- 2017-05-24 CN CN201720585566.4U patent/CN206724129U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 Termination date: 20190524 |