CN107654990A - A kind of vertical corner tube type bubbling bed boiler - Google Patents
A kind of vertical corner tube type bubbling bed boiler Download PDFInfo
- Publication number
- CN107654990A CN107654990A CN201710933644.XA CN201710933644A CN107654990A CN 107654990 A CN107654990 A CN 107654990A CN 201710933644 A CN201710933644 A CN 201710933644A CN 107654990 A CN107654990 A CN 107654990A
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- China
- Prior art keywords
- boiler
- drum
- boiler body
- panel casing
- fin panel
- 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.)
- Pending
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- 230000005587 bubbling Effects 0.000 title claims abstract description 15
- 238000005192 partition Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 19
- 235000019504 cigarettes Nutrition 0.000 claims description 10
- 239000000779 smoke Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 241000609240 Ambelania acida Species 0.000 description 21
- 239000010905 bagasse Substances 0.000 description 21
- 239000007789 gas Substances 0.000 description 9
- 238000011084 recovery Methods 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 239000012528 membrane Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 240000000111 Saccharum officinarum Species 0.000 description 3
- 235000007201 Saccharum officinarum Nutrition 0.000 description 3
- 238000009923 sugaring Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000011449 brick Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/22—Drums; Headers; Accessories therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/02—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of bagasse, megasse or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
Abstract
The invention discloses a kind of vertical corner tube type bubbling bed boiler, including the boiler bottom bearing formed by some lower headers and intermediate connection tube, the boiler body surrounded by fin panel casing is placed with boiler bottom bearing, drum is provided with above boiler body, drum is supported by being located at the down-comer outside boiler body, down-comer upper end is communicated with drum, lower end is connected with lower header, and lower header is communicated by fin panel casing with upper collecting chamber, and upper collecting chamber communicates with drum；Partition wall is set in boiler body, the fin panel casing of front chamber is provided with charging aperture, the fin panel casing of front chamber bottom is provided with some fresh air inlets, superheater and evaporator are provided with rear chamber, superheater communicates with drum, evaporator communicates with the fin panel casing on rear side of rear chamber, and the fin panel casing of rear chamber is provided with the outlet flue communicated with the economizer outside boiler body, and economizer communicates with drum.The present invention has the advantages of high combustion efficiency and small floor space.
Description
Technical field
The present invention relates to sugaring energy recovery technical field, and in particular to a kind of vertical corner tube type bubbling bed boiler.
Background technology
With the continuous improvement of the candy output of sugaring industry, bagasse total amount is huge caused by sugaring industry, due to sugarcane
Slag do not allow it is easy to store, be all at present calory burning is burnt and absorbed to bagasse by chain grate boiler and produce can profit
Saturated vapor.The structure of chain grate boiler is used at present：Including the boiler body being built into by refractory brick, in pot
Furnace body is internally provided with partition wall, and the lower end of partition wall and the rear wall of boiler body are tightly connected, the upper end of partition wall and boiler body
Top between left cigarette channel, partition wall will be separated into inside boiler body only by cross front chamber that cigarette channel is connected with
Rear chamber, the charging aperture for entering front chamber for fuel is provided with the boiler body front wall of front chamber, below charging aperture
Be provided with front chamber can convey fuel and as burning platform traveling-grate stoker, drum is provided with above boiler body,
Drum is supported by being installed on the steelframe outside boiler body, and snakelike heat exchange tube is additionally provided with front chamber, snakelike heat exchange tube
Both ends are connected with drum, and outlet flue is provided with wall after the boiler body of rear chamber.Traveling-grate stoker used at present
Boiler has the following disadvantages：（1）Chain fire-gate presence causes chain grate boiler entirety floor space in chain grate boiler
Greatly；（2）When bagasse burns in chain grate boiler, burning velocity is slow, and efficiency of combustion is low；（3）The vapour of chain grate boiler
Bag is fixed by steelframe, and steel consumption amount is big, and enterprise's use cost is high；（4）The heat recovery efficiency of chain grate boiler is poor,
And caused saturated vapor can not be applied to steam turbine and use.
It is an advantage of the invention that：
（1）Chain-grate type structure is eliminated, greatly reduces the overall floor space of boiler；（2）Bagasse is poured on as pot
After on the fin panel casing of furnace body furnace bottom, combustion is blown into boiler body 2 by some fresh air inlets on furnace bottom fin panel casing
Gas is burnt, burning gases can blow afloat the bagasse on furnace bottom fin panel casing, bagasse is burnt in boiling-like, so as to significantly
Improve the burning velocity and efficiency of combustion of bagasse；（3）Boiler arranges that down-comer is both water-circulating pipe using vertical corner tube type
Road, while be also not required to separately set steelframe to install drum, not only reduce steel consumption amount, reducing enterprise makes to support drum
With cost, and make boiler overall structure compacter, further reduce the overall floor space of boiler；（4）Whole boiler
Body surrounds by fin panel casing, and heat exchange area is big, and heat recovery efficiency is high, and boiler service life is grown, and passes through
Hot device and evaporator, which can be formed, meets the superheated steam that steam turbine uses；（5）Set in the bottom of the lower header of boiler bottom bearing
Slide plate is equipped with, can effectively solve the thermal expansion problem of boiler body, further extends the service life of boiler；（6）Increase
Economizer as external module, not only mounting arrangements are more convenient, and can further improve heat recovery efficiency.
The content of the invention
It is an object of the invention to provide a kind of high combustion efficiency and the small vertical corner tube type bubbling bed boiler of floor space.
To achieve the above object, present invention employs following technical scheme：A kind of described vertical corner tube type bubbling bed pot
Stove, including the boiler bottom bearing formed by some lower headers and intermediate connection tube, are placed with by film on boiler bottom bearing
The boiler body for the closing that formula water-cooling wall surrounds, the middle upper part of boiler body is provided with drum, drum is located at boiler by enclosing
Body exterior and some down-comers support being installed on boiler bottom bearing, the upper end of all down-comers is connected with drum
Logical, the lower end of all down-comers is connected with lower header, and lower header is by fin panel casing with being located above boiler body
Upper collecting chamber is connected, and upper collecting chamber is connected with the drum above it；The boiler body is internally provided with partition wall, under partition wall
End is connected with the sealed bottom of boiler body, leaves cigarette channel between the upper end of partition wall and the top of boiler body, it is described every
Wall will be separated into the front chamber and rear chamber being only connected by crossing cigarette channel, the membrane type on front side of front chamber inside boiler body
Charging aperture is provided with water-cooling wall, some fresh air inlets are provided with the fin panel casing of front chamber bottom, in rear chamber certainly
On be disposed with superheater and evaporator downwards, the inlet end of the superheater is connected with drum, and the evaporator enters
Water end (W.E.) and water side are connected with the fin panel casing on rear side of rear chamber, are also set up on the fin panel casing on rear side of rear chamber
There are the outlet flue below evaporator, the air inlet phase that outlet flue passes through pipe and the economizer outside boiler body
Connection, the delivery port of economizer are connected with drum.
Further, foregoing a kind of vertical corner tube type bubbling bed boiler, wherein：Partition wall is film-type water-cooling wall type partition wall,
The upper end of film-type water-cooling wall type partition wall is connected with drum, the lower end of film-type water-cooling wall type partition wall and the membrane type of boiler body bottom
Water-cooling wall is connected.
Further, foregoing a kind of vertical corner tube type bubbling bed boiler, wherein：Superheater suspends pipe pendant in midair by water cooling
In the rear chamber of boiler body, the both ends of the water cooling column pipe are connected with drum.
Further, foregoing a kind of vertical corner tube type bubbling bed boiler, wherein：In each lower header of boiler bottom bearing
Bottom be welded with slide plate.
The implementation of Pass through above-mentioned technical proposal, the beneficial effects of the invention are as follows：（1）Chain-grate type structure is eliminated, greatly
It is big to reduce the overall floor space of boiler；（2）After bagasse is poured on the fin panel casing as boiler body furnace bottom, pass through
Some fresh air inlets on furnace bottom fin panel casing blow burning gases into boiler body 2, and burning gases can be by furnace bottom film-type water-cooling
Bagasse on wall is blown afloat, and bagasse is burnt in boiling-like, so as to substantially increase the burning velocity of bagasse and burning effect
Rate；（3）Boiler arranges that down-comer is both water circulation pipe, while also is not required to separately set to support drum using vertical corner tube type
Steelframe installs drum, not only reduces steel consumption amount, reduces enterprise's use cost, and the boiler overall structure is more stepped up
Gather, further reduce the overall floor space of boiler；（4）Whole boiler body surrounds by fin panel casing, heat exchange area
Greatly, heat recovery efficiency is high, and boiler service life is grown, and can be formed by superheater and evaporator and meet steam turbine use
Superheated steam；（5）The bottom of the lower header of boiler bottom bearing is provided with slide plate, can effectively solve the heat of boiler body
Expansion issues, further extend the service life of boiler；（6）The economizer as external module is added, cloth is not only installed
Put more convenient, and can further improve heat recovery efficiency.
Brief description of the drawings
Fig. 1 is a kind of structural representation of vertical corner tube type bubbling bed boiler of the present invention.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of described vertical corner tube type bubbling bed boiler, including be connected by some lower headers 1 with centre
The boiler bottom bearing that pipe is formed, the boiler body 2 of the closing surrounded by fin panel casing is placed with boiler bottom bearing,
The middle upper part of boiler body 2 is provided with drum 3, drum 3 is located at the outside of boiler body 2 and is installed on boiler bottom branch by enclosing
Some down-comers 4 on seat support, and the upper end of all down-comers 4 is connected with drum 3, and the lower end of all down-comers 4 is equal
It is connected with lower header 1, lower header 1 is connected by fin panel casing with the upper collecting chamber 5 positioned at the top of boiler body 2, upper collection
Case 5 is connected with the drum 3 above it；The boiler body 2 is internally provided with partition wall 6, the lower end of partition wall 6 and boiler body
2 sealed bottom connection, left cigarette channel 7 between the upper end of partition wall 6 and the top of boiler body 2, the partition wall 6 is by boiler
The front chamber 8 and rear chamber 9 being only connected by crossing cigarette channel 7, the membrane type water in the front side of front chamber 8 are separated into inside body 2
Charging aperture 10 is provided with cold wall, some fresh air inlets are provided with the fin panel casing of the bottom of front chamber 8, in rear chamber 9
Superheater 11 and evaporator 12 are disposed with from up to down, and the inlet end of the superheater 11 is connected with drum 3, the steaming
The water inlet end and water side for sending out device 12 are connected with the fin panel casing on rear side of rear chamber 9, in the membrane type water of the rear side of rear chamber 9
The outlet flue 13 positioned at the lower section of evaporator 12 is additionally provided with cold wall, outlet flue 13 is by pipe 14 and is located at boiler body 2
The air inlet of outside economizer 15 is connected, and the delivery port of economizer 15 is connected with drum 3；In the present embodiment, partition wall 6
For film-type water-cooling wall type partition wall, the upper end of film-type water-cooling wall type partition wall is connected with drum 3, the lower end of film-type water-cooling wall type partition wall
It is connected with the fin panel casing of the bottom of boiler body 2, can so improves to high temperature cigarette caused by sugarcane burning in boiler
Gas carries out heat exchange, further increases heat exchange efficiency；In the present embodiment, superheater 11 is hung on by water cooling column pipe 16
In the rear chamber 9 of boiler body 2, the both ends of the water cooling column pipe 16 are connected with drum 3, so not only facilitate and install
Hot device, and can further improve and heat exchange is carried out to high-temperature flue gas caused by sugarcane burning in boiler, further improve
Heat exchange efficiency；In the present embodiment, slide plate 17 is welded with the bottom of each lower header 1 of boiler bottom bearing, can so had
Effect solves the thermal expansion problem of boiler；
The operation principle of the present invention is as follows：
Bagasse is first poured into the front chamber 8 of boiler body 2 from charging aperture 10, then passes through the bottom fin panel casing of front chamber 8
On some fresh air inlets burning gases are blown into the front chamber 8 of boiler body 2, burning gases can be by the furnace bottom membrane type water of front chamber 8
Bagasse in cold wall is blown afloat, and bagasse is burnt in boiling-like, so as to substantially increase the burning velocity of bagasse and burning
Efficiency；Caused high-temperature flue gas enters rear chamber 9 by cigarette channel 7 after bagasse burning, then successively through the overheat in rear chamber 9
Pipe 14 is discharged into from outlet flue 13 after device 11 and the heat exchange of evaporator 12, then enters from pipe 14 after economizer 15 exchanges heat and becomes
180 DEG C or so of low-temperature flue gas is discharged into air；
During flow of flue gas, cooling water constantly can be passed through economizer 15 from the water inlet of economizer 15, and cold water is by saving
During coal device 15, drum 3 can be entered with becoming hot water after being exchanged heat into the high-temperature flue gas of economizer 15, into drum
3 hot water is assigned to each lower header 1 through each down-comer 4 again, then the fin panel casing of boiler body 2 is assigned to through each lower header 1
And evaporator 12, hot water can be with height caused by bagasse burning in boiler body 2 when by fin panel casing and evaporator 12
Warm flue gas is exchanged heat and forms steam water interface, and steam water interface can enter upper collecting chamber 5, simultaneously along the heating surface of fin panel casing
Pre-separation is into saturated vapor and water in upper collecting chamber 5, and the saturated vapor in upper collecting chamber 5 enters drum 3, into the saturation of drum 3
Steam enters back into superheater 11 and is overheated into the use of superheated steam steam supply turbine.
The beneficial effects of the invention are as follows：（1）Chain-grate type structure is eliminated, greatly reduces the overall occupation of land face of boiler
Product；（2）After bagasse is poured on the fin panel casing as boiler body furnace bottom, by furnace bottom fin panel casing it is some enter
Air holes blows burning gases into boiler body 2, and burning gases can blow afloat the bagasse on furnace bottom fin panel casing, make bagasse
Burnt in boiling-like, so as to substantially increase the burning velocity of bagasse and efficiency of combustion；（3）Boiler uses vertical corner tube type cloth
Put, down-comer is both water circulation pipe, while also supporting drum, is not required to separately set steelframe, to install drum, to not only reduce
Steel consumption amount, enterprise's use cost is reduced, and make boiler overall structure compacter, further reduce boiler entirety
Floor space；（4）Whole boiler body surrounds by fin panel casing, and heat exchange area is big, and heat recovery efficiency is high, and boiler makes
With long lifespan, and the superheated steam for meeting steam turbine and using can be formed by superheater and evaporator；（5）In boiler bottom branch
The bottom of the lower header of seat is provided with slide plate, can effectively solve the thermal expansion problem of boiler body, further extend boiler
Service life；（6）The economizer as external module is added, not only mounting arrangements are more convenient, and can further be carried
High heat recovery efficiency.
Claims (4)
- A kind of 1. vertical corner tube type bubbling bed boiler, it is characterised in that：Including what is formed by some lower headers and intermediate connection tube Boiler bottom bearing, the boiler body of the closing surrounded by fin panel casing is placed with boiler bottom bearing, in boiler sheet The middle upper part of body is provided with drum, and drum is located at outside boiler body by enclosing and is installed on some on boiler bottom bearing Down-comer supports, and the upper end of all down-comers is connected with drum, and the lower end of all down-comers is connected with lower header, under Header is connected by fin panel casing with the upper collecting chamber above boiler body, and upper collecting chamber is connected with the drum above it It is logical；The boiler body is internally provided with partition wall, and the lower end of partition wall and the sealed bottom of boiler body connect, the upper end of partition wall Cigarette channel was left between the top of boiler body, the partition wall will be separated into only inside boiler body by crossing cigarette channel phase The front chamber and rear chamber of connection, charging aperture is provided with the fin panel casing on front side of front chamber, the film in front chamber bottom Some fresh air inlets are provided with formula water-cooling wall, are disposed with superheater and evaporator, the mistake from up to down in rear chamber The inlet end of hot device is connected with drum, the water inlet end of the evaporator and water side with the fin panel casing on rear side of rear chamber It is connected, the outlet flue being additionally provided with the fin panel casing on rear side of rear chamber below evaporator, outlet flue is by going out Smoke pipe is connected with the air inlet of the economizer outside boiler body, and the delivery port of economizer is connected with drum.
- A kind of 2. vertical corner tube type bubbling bed boiler according to claim 1, it is characterised in that：Partition wall is fin panel casing Formula partition wall, the upper end of film-type water-cooling wall type partition wall are connected with drum, lower end and the boiler body bottom of film-type water-cooling wall type partition wall The fin panel casing in portion is connected.
- A kind of 3. vertical corner tube type bubbling bed boiler according to claim 1, it is characterised in that：Superheater is hanged by water cooling Swing pipe is hung in the rear chamber of boiler body, and the both ends of the water cooling column pipe are connected with drum.
- A kind of 4. vertical corner tube type bubbling bed boiler according to claim 1, it is characterised in that：In boiler bottom bearing The bottom of each lower header is welded with slide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710933644.XA CN107654990A (en) | 2017-10-10 | 2017-10-10 | A kind of vertical corner tube type bubbling bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710933644.XA CN107654990A (en) | 2017-10-10 | 2017-10-10 | A kind of vertical corner tube type bubbling bed boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107654990A true CN107654990A (en) | 2018-02-02 |
Family
ID=61117711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710933644.XA Pending CN107654990A (en) | 2017-10-10 | 2017-10-10 | A kind of vertical corner tube type bubbling bed boiler |
Country Status (1)
| Country | Link |
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| CN (1) | CN107654990A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110822402A (en) * | 2019-11-22 | 2020-02-21 | 四川川锅锅炉有限责任公司 | Horizontal gas corner tube boiler |
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2017
- 2017-10-10 CN CN201710933644.XA patent/CN107654990A/en active Pending
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180202 |
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| RJ01 | Rejection of invention patent application after publication |