CN107906533A - Fluidisation charging gear for fluidized-bed combustion boiler - Google Patents
Fluidisation charging gear for fluidized-bed combustion boiler Download PDFInfo
- Publication number
- CN107906533A CN107906533A CN201711402241.9A CN201711402241A CN107906533A CN 107906533 A CN107906533 A CN 107906533A CN 201711402241 A CN201711402241 A CN 201711402241A CN 107906533 A CN107906533 A CN 107906533A
- Authority
- CN
- China
- Prior art keywords
- feed
- chamber
- bellows
- fluidized
- feed chamber
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/30—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a fluidised bed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2205/00—Waste feed arrangements
- F23G2205/20—Waste feed arrangements using airblast or pneumatic feeding
Abstract
The invention belongs to garbage burning boiler field, more particularly to a kind of fluidisation charging gear for fluidized-bed combustion boiler, including expansion joint, feed link slot, feed chamber and fluidizer, expansion joint one end is connected with material blanking tube, and fluidizer includes some feed bellows, and feed bellows are stepped to be sequentially fixed at feed chamber lower end, feed chamber is externally provided with fin panel casing, feed inlet and discharge port are provided with feed chamber, feed inlet is connected with feed link slot lower end, and discharge port is connected with boiler；Some wind caps are provided with feed chamber, wind cap is stepped to be sequentially fixed on feed chamber lower end inner wall, and wind cap lower end is connected with feed bellows.Scientific structure of the present invention, the garbage fuel of input can be made to keep fluidized state, fully receive the hyperthermia radiation heat in burner hearth, so as to reduce the moisture of garbage fuel, at the same time be equipped with multiple cooling installations, can anti-locking apparatus produced because of overheat dilatancy, crack.
Description
Technical field
The invention belongs to garbage burning boiler field, and in particular to a kind of fluidisation charging gear for fluidized-bed combustion boiler.
Background technology
Existing fluidized bed garbage combustion boiler front feeding device is due to higher, the generally existing rubbish that enters stove refuse moisture content
The problem of rubbish blocks, feed is not smooth, once putty occurs in charging gear, feed will be unable to be carried out continuously, and seriously affect boiler
Or even safe and stable, the continuous operation of whole waste incineration and generating electricity unit, it is serious or even blowing out accident can be caused.It is in addition, existing
There is fluidized bed garbage combustion boiler feeding device generally to use heat insulating construction, there is no effective cooling provision for feeding lines, give
Due to persistently receiving the influence of the anti-factor such as leap up of high-temperature flue gas in burner hearth hyperthermia radiation and burner hearth inside pipe material, occur violent
Dilatancy, causes the phenomenon of Local Cracking to produce, thus the sealing performance of feeding lines can not be effectively ensured, cause to
Material position leaks out, leaks flue gas or happen occasionally the problems such as leaking ash and be difficult to prevent, and causes boiler operatiopn bad environments and drops
The low economy of boiler operatiopn.In addition, enter moisture in stove house refuse in addition to it can reduce the economy of boiler operatiopn, it is right
The generation of the pollutants such as fluidized bed garbage combustion boiler CO can also produce very detrimental effect.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, so that providing one kind is used for fluid bed pot
The fluidisation charging gear of stove.
The technical solution adopted by the present invention to solve the technical problems is：
For the fluidisation charging gear of fluidized-bed combustion boiler, including expansion joint, expansion joint one end is connected with material blanking tube, its feature exists
In：Further include feed link slot, feed chamber and fluidizer that upper end is connected with the expansion joint other end, the fluidizer
Including some feed bellows, feed bellows are stepped to be sequentially fixed at feed chamber lower end；Feed chamber is externally provided with membrane type water
Cold wall, is fed on chamber and is provided with feed inlet and discharge port, and feed inlet is connected with feed link slot lower end, and discharge port connects with boiler
Connect；Some wind caps are provided with feed chamber, wind cap is stepped to be sequentially fixed on feed chamber lower end inner wall,
Wind cap lower end is connected with feed bellows.
Further, the wind cap is equipped with air outlet, and the direction of air outlet is towards boiler.
Further, the feed bellows have three, and feed bellows side is equipped with air inlet, and feed bellows bottom is provided with
Lower end cleaning door.Air inlet is connected with hot air duct, and the source of hot air duct inner air-distributing is a hot wind of boiler, is recycled
Hot wind, saves the energy.
Further, the area of the discharge port is more than the area of feed inlet.The discharge port of bigger makes to form feed chamber
Connector between boiler enables the indoor garbage fuel of feed chamber to receive completely in burner hearth closer to unenclosed construction
Hyperthermia radiation heat, effectively reduces the moisture into stove garbage fuel, improves the efficiency of garbage fuel desiccation.
Further, feed link slot and the feed chamber inner wall is coated with castable refractory.Feed link slot and
Coating refractory castable on chamber inner wall is fed, feed link slot is improved and is fed the heat resistance of chamber, extend feed link slot
With the service life of feed chamber.
Compared to the prior art the present invention, has the following advantages and effect：Scientific structure, is fed fluidisation set on chamber
Device by the recycling to a hot wind make garbage fuel keep fluidized state, avoid boiler because feed block, it is not smooth；It is spacious
Open type connection structure can make the garbage fuel of fluidized state fully receive in burner hearth hyperthermia radiation heat so that effectively reduce into
The moisture of stove garbage fuel, not only increases the economy of boiler operatiopn, moreover it is possible to effectively reduces fluidized bed garbage combustion pot
The generation of the pollutant such as CO in stove fuel combustion process；The fin panel casing that is externally provided with of feed chamber can prevent feed chamber because
Overheat and produce dilatancy, cracking.
Brief description of the drawings
Fig. 1 is the structure diagram of the embodiment of the present invention.
Fig. 2 is the side view of embodiment.
Attached drawing described herein is used for providing further understanding of the present application, forms the part of the application, this Shen
Schematic description and description please is used to explain the application, does not form the improper restriction to the application.
Embodiment
It is understandable in order to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings to this hair
Bright embodiment is described in detail.
Embodiment.
As shown in Figs. 1-2, the present embodiment includes expansion joint 1, feed link slot 2, feed chamber 3 and fluidizer, its
Middle feed link slot 2 and feed 3 inner wall of chamber is coated with castable refractory.Applied on feed link slot 2 and feed 3 inner wall of chamber
Cover castable refractory, it is possible to increase feed link slot 2 and the heat resistance for being fed chamber 3, extend feed link slot 2 and feed chamber
3 service life.
1 upper end of expansion joint is connected with material blanking tube, and lower end is connected with 2 upper end of feed link slot.It is fed in link slot 2 and is equipped with admittedly
Due to the dnockout rod on inner wall, can help to break up the garbage fuel fallen.Feed inlet 31 and discharge port are provided with feed chamber 3
32, feed inlet 31 is connected with 2 lower end of feed link slot, and discharge port 32 is connected with boiler 5.Garbage fuel is entered by material blanking tube to be given
Expect in device, sequentially pass through expansion joint 1, feed link slot 2, feed chamber 3, be sent at discharge port 32 in 5 furnace chamber of boiler.Its
In, the area of discharge port 32 is more than the area of feed inlet 31, and the discharge port 32 of bigger makes the company between feed chamber 3 and boiler 5
Binding structure enables the garbage fuel in feed chamber 3 to receive the hyperthermia radiation heat in burner hearth completely closer to unenclosed construction,
The moisture into stove garbage fuel is effectively reduced, improves the efficiency of garbage fuel desiccation.
Feed chamber 3 is externally provided with fin panel casing, set fin panel casing be exactly many extended surface tubes edges longitudinally according to
Secondary welds, and forms the water wall surface of a monoblock.In the present embodiment, for by be fed chamber 3 both sides and on
End is closely surrounded by water-cooling wall diaphragm.Feed chamber 3 is directly connected to 5 furnace chamber of boiler, for a long time in high temperature shape
Under state, even if internal coat has castable refractory, also easily go wrong.And fin panel casing can play prevent feed chamber
The effect that 3 produce dilatancy because of overheat, cracking phenomena occurs.
Set fluidizer includes three feed bellows 41, and bellows 41 are stepped is sequentially fixed at feed chamber for feed
3 lower ends.41 side of feed bellows is equipped with air inlet 42, and 41 bottom of feed bellows is provided with lower end cleaning door 43, set cleaning door
43 are used as the dust that export feed bellows 41 add up after working long hours.Some wind caps 44 are provided with feed chamber 3,
Stepped be arranged in order of wind cap 44 is fixed on feed 3 lower end inner wall of chamber, 44 lower end of wind cap and feed bellows
41 connections.Wind cap 44 is equipped with air outlet 45, and the direction of air outlet 45 is towards boiler 5.Air inlet 42 connects with hot air duct
Connect, the source of hot air duct inner air-distributing is a hot wind of boiler 5, and hot air duct is exported by 5 First air air preheater of boiler
Hot-flow flue is exported, connection is sent to the air inlet 42 to each feed bellows 41, and a hot wind is out of feed bellows 41
It is sent into by connected wind cap 44 through air outlet 45 in feed chamber 3.Set fluidizer can pass through cloth wind
The fluidization of garbage fuel in feed chamber 3 is kept, it is anti-blocking so as to fulfill being fed, it is ensured that boiler 5 is fed unobstructed.In addition, use
Hot wind of boiler 5 recycles as wind regime, saves the energy.
Feed link slot 2 and feed 3 inner wall of chamber are coated with castable refractory.Feed link slot 2 and feed chamber 3 are grown
Time works at high temperature, also occurs that inner flue gas of the stove is counter sometimes and leaps up, deformed damaged easily occurs.In feed link slot 2 and give
Expect coating refractory castable in chamber 3, can be prevented while feed link slot 2 and feed 3 heat resistance of chamber is improved in stove
Flue gas is counter to burn out equipment when leaping up, and effectively extends feed link slot 2 and is fed the service life of chamber 3.
Scientific structure of the present invention, be fed fluidizer set on chamber 3 makes rubbish by the recycling to a hot wind
Rubbish fuel keep fluidized state, avoid boiler 5 because feed block, it is not smooth.Open type connection structure can make the rubbish of fluidized state
Rubbish fuel fully receives the hyperthermia radiation heat in burner hearth, so as to effectively reduce the moisture into stove garbage fuel, not only improves
The economy that boiler 5 is run, moreover it is possible to effectively reduce the pollutant such as CO in 5 fuel combustion process of fluidized bed garbage combustion boiler
Generation.The fin panel casing that feed chamber 3 is externally provided with can prevent feed chamber 3 from producing dilatancy, cracking because of overheat.
Above content described in this specification is only illustration made for the present invention.Technology belonging to the present invention
The technical staff in field can do described specific embodiment various modifications or additions or in a similar way
Substitute, content without departing from description of the invention or surmount scope defined in the claims, this should all be belonged to
The protection domain of invention.
Claims (5)
1. a kind of fluidisation charging gear for fluidized-bed combustion boiler, including expansion joint, expansion joint one end are connected with material blanking tube, it is special
Sign is：Further include feed link slot, feed chamber and fluidizer that upper end is connected with the expansion joint other end, the fluidisation
Device includes some feed bellows, and feed bellows are stepped to be sequentially fixed at feed chamber lower end；
Feed chamber is externally provided with fin panel casing, is fed on chamber and is provided with feed inlet and discharge port, feed inlet and feed link slot
Lower end connects, and discharge port is connected with boiler；Some wind caps are provided with feed chamber, wind cap is stepped solid successively
It is scheduled on feed chamber lower end inner wall, wind cap lower end is connected with feed bellows.
2. it is used for the fluidisation charging gear of fluidized-bed combustion boiler according to claim 1, it is characterised in that：On the wind cap
Equipped with air outlet, the direction of air outlet is towards boiler.
3. it is used for the fluidisation charging gear of fluidized-bed combustion boiler according to claim 1, it is characterised in that：The feed bellows
There are three, feed bellows side is equipped with air inlet, and feed bellows bottom is provided with lower end cleaning door.
4. it is used for the fluidisation charging gear of fluidized-bed combustion boiler according to claim 1, it is characterised in that：The face of the discharge port
Area of the product more than feed inlet.
5. it is used for the fluidisation charging gear of fluidized-bed combustion boiler according to claim 1-4 any one, it is characterised in that：It is described
Feed link slot and feed chamber inner wall are coated with castable refractory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711402241.9A CN107906533A (en) | 2017-12-22 | 2017-12-22 | Fluidisation charging gear for fluidized-bed combustion boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711402241.9A CN107906533A (en) | 2017-12-22 | 2017-12-22 | Fluidisation charging gear for fluidized-bed combustion boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107906533A true CN107906533A (en) | 2018-04-13 |
Family
ID=61869733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711402241.9A Pending CN107906533A (en) | 2017-12-22 | 2017-12-22 | Fluidisation charging gear for fluidized-bed combustion boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107906533A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877330A (en) * | 2019-03-20 | 2019-06-14 | 北京科技大学 | A kind of device and application method producing 3D printing spherical metal powder |
| CN111637485A (en) * | 2020-05-07 | 2020-09-08 | 广西壮族自治区特种设备检验研究院 | Premixing bagasse boiler feeder |
| CN112325280A (en) * | 2020-10-29 | 2021-02-05 | 中国石油化工集团有限公司 | CFB boiler feed inlet anti-coking device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3056202U (en) * | 1993-12-23 | 1999-02-12 | コンバッション エンヂニアリング インコーポレイテッド | Internal circulation fluidized bed combustion system |
| CN2639725Y (en) * | 2003-06-27 | 2004-09-08 | 清华紫光环保有限公司 | Fluidized bed boiler for burning high water content living garbage |
| CN101532668A (en) * | 2009-04-02 | 2009-09-16 | 杭州能达华威设备有限公司 | Turbulent and boiling combined-circulation fluidized bed refuse incinerator |
| CN203036645U (en) * | 2012-11-12 | 2013-07-03 | 绿能（杭州）企业管理有限公司 | Feeding device of waste incinerator of circulating fluidized bed |
| CN103939916A (en) * | 2014-05-14 | 2014-07-23 | 重庆三峰卡万塔环境产业有限公司 | Garbage incinerator feeding device having water-cooling and fire-fighting functions |
| CN106152146A (en) * | 2016-06-30 | 2016-11-23 | 潍坊金丝达新能源科技有限公司 | Multifunctional garbage high-temperature gasification spray combustion electricity generation boiler |
-
2017
- 2017-12-22 CN CN201711402241.9A patent/CN107906533A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3056202U (en) * | 1993-12-23 | 1999-02-12 | コンバッション エンヂニアリング インコーポレイテッド | Internal circulation fluidized bed combustion system |
| CN2639725Y (en) * | 2003-06-27 | 2004-09-08 | 清华紫光环保有限公司 | Fluidized bed boiler for burning high water content living garbage |
| CN101532668A (en) * | 2009-04-02 | 2009-09-16 | 杭州能达华威设备有限公司 | Turbulent and boiling combined-circulation fluidized bed refuse incinerator |
| CN203036645U (en) * | 2012-11-12 | 2013-07-03 | 绿能（杭州）企业管理有限公司 | Feeding device of waste incinerator of circulating fluidized bed |
| CN103939916A (en) * | 2014-05-14 | 2014-07-23 | 重庆三峰卡万塔环境产业有限公司 | Garbage incinerator feeding device having water-cooling and fire-fighting functions |
| CN106152146A (en) * | 2016-06-30 | 2016-11-23 | 潍坊金丝达新能源科技有限公司 | Multifunctional garbage high-temperature gasification spray combustion electricity generation boiler |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877330A (en) * | 2019-03-20 | 2019-06-14 | 北京科技大学 | A kind of device and application method producing 3D printing spherical metal powder |
| CN109877330B (en) * | 2019-03-20 | 2023-09-05 | 北京科技大学 | Device for producing spherical metal powder for 3D printing and use method |
| CN111637485A (en) * | 2020-05-07 | 2020-09-08 | 广西壮族自治区特种设备检验研究院 | Premixing bagasse boiler feeder |
| CN112325280A (en) * | 2020-10-29 | 2021-02-05 | 中国石油化工集团有限公司 | CFB boiler feed inlet anti-coking device |
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