CN203687057U - Novel circulating fluidized bed boiler - Google Patents
Novel circulating fluidized bed boiler Download PDFInfo
- Publication number
- CN203687057U CN203687057U CN201420081001.9U CN201420081001U CN203687057U CN 203687057 U CN203687057 U CN 203687057U CN 201420081001 U CN201420081001 U CN 201420081001U CN 203687057 U CN203687057 U CN 203687057U
- Authority
- CN
- China
- Prior art keywords
- bed boiler
- burner hearth
- combustion chamber
- sludge
- fluidized bed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005243 fluidization Methods 0.000 claims description 16
- 239000012530 fluid Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 10
- 239000010802 sludge Substances 0.000 abstract description 9
- 238000001035 drying Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 244000052769 pathogen Species 0.000 description 3
- 230000001717 pathogenic effect Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Treatment Of Sludge (AREA)
Abstract
The utility model relates to industrial sludge burning equipment, in particular to a novel circulating fluidized bed boiler. In order to overcome the defect existing in sludge drying of an existing circulating fluidized bed boiler, a sludge feeding opening is heightened to one half of the total height of a combustion chamber, so that the sludge falls for a certain stroke time, the aim that the sludge is naturally dried in the combustion chamber is achieved, and no drying equipment needs to be additionally and independently arranged. According to the technical scheme, the novel circulating fluidized bed boiler comprises a fluidized combustion chamber, a high-temperature cyclone separator communicated with the fluidized combustion chamber, and a convection heat exchange area communicated with the high-temperature cyclone separator. The novel circulating fluidized bed boiler is characterized in that the sludge feeding opening is formed in the position, at the one half of the total height of the combustion chamber, of the wall face of the fluidized combustion chamber.
Description
Technical field
The utility model relates to industrial silt combustion apparatus, is specifically related to a kind of circulating fluid bed boiler.
Background technology
In industry, sanitary waste, have a large amount of mud to produce, several major ways of processing these mud have landfill, stacking, burning etc.Along with the enhancing of people's environmental consciousness, the landfill having greater environmental impacts and stacking mode have been subject to strong resistance, and the application prospect of burning process is more and more expected.
Burning is one of feasible method of lignin-sludge so far.The first, burning can reduce the volume of mud in a large number, and with respect to the mud of mechanical dehydration, final incineration ashes volume is only equivalent to 10% of initial product.The second, burn and also can kill a large amount of pathogen, all organic matters all can farthest be decomposed in combustion process, and pathogen and bacterium are no exception.By high-temperature process, in combustion residue, almost there is no pathogen.In addition, burning can also solve the stench problem of mud.The 3rd, the calorific value of the mud after dehydration is equivalent to the level of low-grade coal, therefore can burn by other fuel of fusion.Can alleviate to a certain extent like this expense of sludge incineration.
For mud incineration technology, the burning facility generally adopting is CFBB, utilizes the efficient burning of CFBB, consumes in a large number the mud producing in enterprise production process, in twice laid, effectively alleviate the pressure of enterprise to Treatment of Sludge.
In the process of burning mud, layout, the air-supply technology etc. of fire coal and mud mixed-fuel burning proportion, chamber structure, heating surface are all the factors that affects boiler thermal output.
Summary of the invention
The defect that the utility model exists for mud oven dry aspect mainly for existing CFBB, invent a kind of circulating fluid bed boiler, this boiler is increased to the charge door of mud at 1/2nd positions of burner hearth total height, make mud fall to having certain journey time, realize mud naturally drying in burner hearth, do not need to arrange separately in addition drying plant.
Above-mentioned technical problem of the present utility model is implemented by the following technical programs: a kind of CFBB, the high temperature cyclone separator that comprises fluidisation burner hearth, be communicated with fluidisation burner hearth, the heat convection district being communicated with high temperature cyclone separator, it is characterized in that, be provided with mud charge door in the wall of fluidisation burner hearth, 1/2nd positions of burner hearth total height.
As preferably, the bottom of described fluidisation burner hearth, side connect screw(-type) feeder.
As preferably, the lower end of described fluidisation burner hearth arranges air compartment.
As preferably, the lower end of described high temperature cyclone separator connects material returning device.
As preferably, the upper end in described heat convection district arranges upper drum, and the lower end in heat convection district arranges lower drum.
As preferably, the below of described heat convection district, lower drum is provided with economizer.
In sum, the utility model compared with prior art tool have the following advantages.
The utility model is increased to the charge door of mud at 1/2nd positions of burner hearth total height, make mud fall to having certain journey time, realize mud in burner hearth naturally dry, do not need to arrange drying plant, simplified structure, improve efficiency of combustion, reduce production costs.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Number in the figure is: 1, air compartment; 2, screw(-type) feeder; 3, fluidisation burner hearth; 4, mud charge door; 5, high temperature cyclone separator; 6, material returning device; 7, heat convection district; 8, upper drum; 9, lower drum; 10, economizer.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Embodiment 1:
As shown in Figure 1, a kind of circulating fluid bed boiler, the high temperature cyclone separator 5 that comprises fluidisation burner hearth 3, be communicated with fluidisation burner hearth 3, the heat convection district 7 being communicated with high temperature cyclone separator 5, be provided with mud charge door 4 in the wall of fluidisation burner hearth 3,1/2nd positions of burner hearth total height, improve the position of mud charge door 4, make mud fall to having certain journey time, realize mud naturally drying in burner hearth.
Bottom, the side of described fluidisation burner hearth 3 connect screw(-type) feeder 2.
The lower end of described fluidisation burner hearth 3 arranges air compartment 1.
The lower end of described high temperature cyclone separator 5 connects material returning device 6.
The upper end in described heat convection district 7 arranges upper drum 8, and the lower end in heat convection district 7 arranges lower drum 9.
The below of described heat convection district 7, lower drum 9 is provided with economizer 10.
Specific embodiment described in literary composition is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (6)
1. a circulating fluid bed boiler, the high temperature cyclone separator (5) that comprises fluidisation burner hearth (3), be communicated with fluidisation burner hearth, the heat convection district (7) being communicated with high temperature cyclone separator, it is characterized in that, be provided with mud charge door (4) in the wall of fluidisation burner hearth, 1/2nd positions of burner hearth total height.
2. circulating fluid bed boiler according to claim 1, is characterized in that, bottom, the side of described fluidisation burner hearth connect screw(-type) feeder (2).
3. circulating fluid bed boiler according to claim 1 and 2, is characterized in that, the lower end of described fluidisation burner hearth arranges air compartment (1).
4. circulating fluid bed boiler according to claim 1, is characterized in that, the lower end of described high temperature cyclone separator connects material returning device (6).
5. circulating fluid bed boiler according to claim 1, is characterized in that, the upper end in described heat convection district arranges upper drum (8), and the lower end in heat convection district arranges lower drum (9).
6. circulating fluid bed boiler according to claim 5, is characterized in that, the below of described heat convection district, lower drum is provided with economizer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081001.9U CN203687057U (en) | 2014-02-26 | 2014-02-26 | Novel circulating fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081001.9U CN203687057U (en) | 2014-02-26 | 2014-02-26 | Novel circulating fluidized bed boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203687057U true CN203687057U (en) | 2014-07-02 |
Family
ID=51008947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420081001.9U Expired - Lifetime CN203687057U (en) | 2014-02-26 | 2014-02-26 | Novel circulating fluidized bed boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203687057U (en) |
-
2014
- 2014-02-26 CN CN201420081001.9U patent/CN203687057U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |