CN107654996A - The cooling device of fluidized bed furnace boiling bed - Google Patents
The cooling device of fluidized bed furnace boiling bed Download PDFInfo
- Publication number
- CN107654996A CN107654996A CN201710907387.2A CN201710907387A CN107654996A CN 107654996 A CN107654996 A CN 107654996A CN 201710907387 A CN201710907387 A CN 201710907387A CN 107654996 A CN107654996 A CN 107654996A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- exchanger tube
- collector
- fluidized bed
- water inlet
- 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
Links
- 238000009835 boiling Methods 0.000 title claims abstract description 41
- 238000001816 cooling Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 244000309464 bull Species 0.000 claims description 2
- 238000005406 washing Methods 0.000 abstract description 4
- 230000003685 thermal hair damage Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004939 coking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2206/00—Fluidised bed combustion
- F23C2206/10—Circulating fluidised bed
- F23C2206/103—Cooling recirculating particles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of cooling device of fluidized bed furnace boiling bed, including：Some heat exchanger tubes being arranged in boiling bed, every heat exchanger tube enters, water side is respectively connected with water inlet collector and water outlet collector, water inlet collector and water outlet collector are arranged at outside fluidized bed furnace, and water inlet collector and water outlet collector are the body of heater bend pipe circumferentially around fluidized bed furnace, water inlet collector is located at the inner side of water outlet collector, some wearing rings are arranged at intervals with every heat exchanger tube in boiling bed, each wearing ring includes a pair of abrasionproof catch, a pair of abrasionproof catch are weldingly fixed on the tube wall of heat exchanger tube, expansion clearance is formed respectively between the end of a pair of abrasionproof catch.The advantage of the invention is that：First, the surface slagging of heat exchanger tube is prevented, so as to avoid heat exchanger tube from crossing cause thermal damage；2nd, washing away for boiling bed endoparticle thing exchange thermotube wall is greatly reduced, so as to greatly prolong the service life of heat exchanger tube.
Description
Technical field
The present invention relates to fluidized bed furnace technical field, and in particular to the cooling device for the bed that seethes with excitement.
Background technology
Fluidized bed furnace is a kind of new combustion apparatus, and its theory of combustion is：The fuel particle wind of small particle will be broken into
Blow afloat to certain altitude after-combustion.The body of heater of fluidized bed furnace from top to bottom mainly includes upper furnace, boiling bed, air chamber.Temperature
It is an important factor for determining burning quality in fluidized bed furnace, temperature is too low easily to cause fuel particle imperfect combustion, and temperature is too high
Then easily cause fuel particle coking, viscous corruption.Therefore cooling device is provided with boiling bed, cooling device removes boiling bed
Unnecessary heat energy, and heat energy is used.Cooling device mainly includes some heat exchanger tubes being arranged in boiling bed.
Find that current cooling device has following defect during fluidized bed furnace use：First, the tube wall temperature of heat exchanger tube
Relatively low, the particulate matter of the condition of high temperature is easily bonded on the tube wall of heat exchanger tube and slagging in fluidized bed furnace, so as to easily cause pipe
Overheat and damage.2nd, under driving in air-flow fuel particle constantly exchange heat pipe tube wall formed wash away, make the tube wall of heat exchanger tube
Abrasion, so as to greatly shorten the service life of heat exchanger tube.
The content of the invention
The technical problem to be solved in the invention is：Offer one kind can greatly reduce transducer wall's abrasion and can effective release pipe
The cooling device of the fluidized bed furnace boiling bed of wall slagging.
To solve the above problems, the technical solution adopted by the present invention is：The cooling device of fluidized bed furnace boiling bed, including：
Some heat exchanger tubes being arranged in boiling bed, every heat exchanger tube into and out of water end (W.E.) respectively with water inlet collector and water outlet collector
It is connected, water inlet collector and water outlet collector are arranged at outside fluidized bed furnace, and water inlet collector and water outlet collector are around fluidized bed furnace
Body of heater bend pipe circumferentially, water inlet collector is located at the inner side of water outlet collector, on every heat exchanger tube in boiling bed
Some wearing rings are arranged at intervals with, each wearing ring includes a pair of abrasionproof catch, and a pair of abrasionproof catch are weldingly fixed on
On the tube wall of heat exchanger tube, two expansion clearances are formed between the end of a pair of abrasionproof catch.
Further, the cooling device of foregoing fluidized bed furnace boiling bed, wherein, every heat exchanger tube is U-shaped bend pipe.
Further, the cooling device of foregoing fluidized bed furnace boiling bed, wherein, heat exchanger tube is in water inlet collector and water outlet
It is arranged in groups in boiling bed on the inside of collector, every group of heat exchanger tube is from top to bottom sequentially arranged, and two adjacent groups heat exchanger tube is around boiling
The circumferentially-spaced arrangement of bed.
Further, the cooling device of foregoing fluidized bed furnace boiling bed, wherein, the adjacent pair on every heat exchanger tube is prevented
Spacing between bull ring is 30~50mm.
Further, the cooling device of foregoing fluidized bed furnace boiling bed, wherein, the expansion clearance of two neighboring wearing ring
It is staggeredly arranged in the circumference of heat exchanger tube.
Further, the cooling device of foregoing fluidized bed furnace boiling bed, wherein, water inlet collector and water outlet collector difference
It is connected by distribution pipe with heat exchanger tube into and out of water end (W.E.).
It is an advantage of the invention that：Wearing ring is all provided with every heat exchanger tube, so can effectively prevent from seething with excitement in bed
The particulate matter of the condition of high temperature is bonded in the surface of heat exchanger tube and slagging, so as to effectively avoid heat exchanger tube from crossing cause thermal damage；Simultaneously can also
Greatly reduce washing away for boiling bed endoparticle thing exchange thermotube wall, so as to greatly prolong the service life of heat exchanger tube；In addition
The heat exchange area of heat exchanger tube can also be greatly improved, so as to greatly improve heat transfer effect.
Brief description of the drawings
Fig. 1 is the arrangement schematic diagram of the cooling device of described fluidized bed furnace boiling bed.
Fig. 2 is the structural representation of the cooling device of the fluidized bed furnace boiling bed shown in C-C section view directions in Fig. 1.
Fig. 3 is the structural representation of heat exchanger tube in Fig. 2.
Fig. 4 is the structural representation shown in A-A section view directions in Fig. 3.
Fig. 5 is the structural representation shown in B-B section view directions in Fig. 3.
Embodiment
The present invention is described in further detail with preferred embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, the cooling device of fluidized bed furnace boiling bed, including：It is arranged on some in boiling bed 11
Heat exchanger tube 2, every heat exchanger tube 2 are connected with water inlet collector 3 and water outlet collector 4 respectively into and out of water end (W.E.).In the present embodiment, enter
Water collector 3 and water outlet collector 4 are arranged at outside the body of heater of fluidized bed furnace 1, and water inlet collector 3 and water outlet collector 4 are around boiling
The bend pipe of the body of heater of stove 1 circumferentially, water inlet collector 3 are located at the inner side of water outlet collector 4.Water inlet collector 3 and water outlet collector 4 are distinguished
It is connected by distribution pipe 6 with the water inlet end of heat exchanger tube 2 and water side.
As shown in Figure 2 and Figure 3, the every heat exchanger tube 2 in the present embodiment in ebullated bed layer 11 is U-shaped bend pipe.Every
Pipe 21 of the heat exchanger tube 2 in " U-shaped curved " both sides can also carry out curved according to actual conditions such as the installation environments in boiling bed 11
Song, as shown in Figure 3.Heat exchanger tube 2 is using the purpose of U-shaped bend pipe：The rigidity of heat exchanger tube 2 is effectively improved, so as to resist boiling
Rise washing away for the endoparticle thing of bed 11.Heat exchanger tube 2 is set in groups in the boiling bed 11 of water inlet collector 3 and the inner side of water outlet collector 4
Put, every group of heat exchanger tube 2 is from top to bottom sequentially arranged, circumferentially-spaced arrangement of the two adjacent groups heat exchanger tube 2 around boiling bed 11.
As shown in Fig. 3, Fig. 4, Fig. 5, in the present embodiment, some wearing rings 5 are arranged at intervals with every heat exchanger tube 2, often
Individual wearing ring 5 includes a pair of abrasionproof catch 51, and a pair of abrasionproof catch 51 are weldingly fixed on the tube wall of heat exchanger tube 2, a pair
Expansion clearance 52 is formed between the end of abrasionproof catch 51 respectively.Setting the effect of expansion clearance 52 is：Left for heat exchanger tube 2 swollen
Swollen surplus.The expansion clearance 52 of two neighboring wearing ring 5 is staggeredly arranged in the circumference of heat exchanger tube 2 on every heat exchanger tube 2,
So the advantages of, is：Heat exchanger tube 2 is allowed preferably to be expanded.For the ease of installation, the expansion clearance of two neighboring wearing ring 5
52 stagger 90 degree in the circumferential.The spacing between adjacent pair wearing ring 51 in the present embodiment on every heat exchanger tube 2 is 30
~50mm.All be provided with wearing ring 5 on every heat exchanger tube 2, it is such the advantages of be：First, can effectively prevent from seething with excitement in bed 11
The particulate matter of the condition of high temperature be bonded in the surface slagging of heat exchanger tube 2, so as to effectively prevent heat exchanger tube 2 from crossing cause thermal damage.2nd, significantly
Washing away for the boiling bed 11 endoparticle thing exchange tube wall of heat pipe 2 is reduced, so as to greatly prolong the service life of heat exchanger tube 2.3rd, energy
The heat exchange area of heat exchanger tube 2 is greatly improved, so as to greatly improve heat transfer effect.
Claims (6)
- The cooling device of bed 1. fluidized bed furnace seethes with excitement, including：Some heat exchanger tubes being arranged in boiling bed, every heat exchanger tube Respectively it is connected into and out of water end (W.E.) with water inlet collector and water outlet collector, it is characterised in that：Water inlet collector and water outlet collector are respectively provided with Outside fluidized bed furnace, and water inlet collector and water outlet collector are the body of heater bend pipe circumferentially around fluidized bed furnace, water inlet collector position In the inner side of water outlet collector, some wearing rings, each abrasionproof are arranged at intervals with every heat exchanger tube in boiling bed Ring includes a pair of abrasionproof catch, and a pair of abrasionproof catch are weldingly fixed on the tube wall of heat exchanger tube, the end of a pair of abrasionproof catch Two expansion clearances are formed between portion.
- 2. the cooling device of fluidized bed furnace boiling bed according to claim 1, it is characterised in that：Every heat exchanger tube is U Type bend pipe.
- 3. the cooling device of fluidized bed furnace boiling bed according to claim 2, it is characterised in that：Heat exchanger tube is in water inlet collector It is arranged in groups with the boiling bed on the inside of water outlet collector, every group of heat exchanger tube is from top to bottom sequentially arranged, two adjacent groups heat exchanger tube Around the circumferentially-spaced arrangement of boiling bed.
- 4. the cooling device of the fluidized bed furnace boiling bed according to claim 1 or 2 or 3, it is characterised in that：Every heat exchanger tube On adjacent pair wearing ring between spacing be 30~50mm.
- 5. the cooling device of the fluidized bed furnace boiling bed according to claim 1 or 2 or 3, it is characterised in that：It is two neighboring anti- The expansion clearance of bull ring is staggeredly arranged in the circumference of heat exchanger tube.
- 6. the cooling device of fluidized bed furnace boiling bed according to claim 2, it is characterised in that：Water inlet collector and water outlet collection Pipe is connected by distribution pipe with heat exchanger tube into and out of water end (W.E.) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710907387.2A CN107654996A (en) | 2017-09-29 | 2017-09-29 | The cooling device of fluidized bed furnace boiling bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710907387.2A CN107654996A (en) | 2017-09-29 | 2017-09-29 | The cooling device of fluidized bed furnace boiling bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107654996A true CN107654996A (en) | 2018-02-02 |
Family
ID=61116631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710907387.2A Pending CN107654996A (en) | 2017-09-29 | 2017-09-29 | The cooling device of fluidized bed furnace boiling bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107654996A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54109647A (en) * | 1978-02-17 | 1979-08-28 | Babcock Hitachi Kk | Wear preventive device for heat exchanging pipe |
| JPH0244103A (en) * | 1988-08-05 | 1990-02-14 | Fujiki Kosan Kk | Boiler for refuse incinerator |
| JP2000065488A (en) * | 1998-08-18 | 2000-03-03 | Ishikawajima Harima Heavy Ind Co Ltd | Hardwearing structure of heat transfer tube for fluidized bed boiler |
| CN1991291A (en) * | 2005-12-28 | 2007-07-04 | 同和控股（集团）有限公司 | Heat exchanger tube, method of manufacturing heat exchanger tube, and fluidized-bed furnace |
| CN201191147Y (en) * | 2008-03-14 | 2009-02-04 | 西安思安新能源有限公司 | Interior heat collecting device of furnace in fluid bed for production of sulfuric acid |
| CN201487942U (en) * | 2008-11-11 | 2010-05-26 | 呼伦贝尔鼎盛锅炉制造有限公司 | Anti-wear buried pipe of fluidized bed combustion boiler |
| CN103759255A (en) * | 2014-01-20 | 2014-04-30 | 苏州新区特氟龙塑料制品厂 | Teflon fluidized bed furnace |
| CN207316907U (en) * | 2017-09-29 | 2018-05-04 | 苏州海陆重工股份有限公司 | The cooling device of fluidized bed furnace boiling bed |
-
2017
- 2017-09-29 CN CN201710907387.2A patent/CN107654996A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54109647A (en) * | 1978-02-17 | 1979-08-28 | Babcock Hitachi Kk | Wear preventive device for heat exchanging pipe |
| JPH0244103A (en) * | 1988-08-05 | 1990-02-14 | Fujiki Kosan Kk | Boiler for refuse incinerator |
| JP2000065488A (en) * | 1998-08-18 | 2000-03-03 | Ishikawajima Harima Heavy Ind Co Ltd | Hardwearing structure of heat transfer tube for fluidized bed boiler |
| CN1991291A (en) * | 2005-12-28 | 2007-07-04 | 同和控股（集团）有限公司 | Heat exchanger tube, method of manufacturing heat exchanger tube, and fluidized-bed furnace |
| CN201191147Y (en) * | 2008-03-14 | 2009-02-04 | 西安思安新能源有限公司 | Interior heat collecting device of furnace in fluid bed for production of sulfuric acid |
| CN201487942U (en) * | 2008-11-11 | 2010-05-26 | 呼伦贝尔鼎盛锅炉制造有限公司 | Anti-wear buried pipe of fluidized bed combustion boiler |
| CN103759255A (en) * | 2014-01-20 | 2014-04-30 | 苏州新区特氟龙塑料制品厂 | Teflon fluidized bed furnace |
| CN207316907U (en) * | 2017-09-29 | 2018-05-04 | 苏州海陆重工股份有限公司 | The cooling device of fluidized bed furnace boiling bed |
Non-Patent Citations (1)
| Title |
|---|
| 刘积贤主编: "《工业锅炉安全技术》", 化学工业出版社, pages: 188 - 189 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180202 |