CN207316907U - The cooling device of fluidized bed furnace boiling bed - Google Patents
The cooling device of fluidized bed furnace boiling bed Download PDFInfo
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- CN207316907U CN207316907U CN201721266805.6U CN201721266805U CN207316907U CN 207316907 U CN207316907 U CN 207316907U CN 201721266805 U CN201721266805 U CN 201721266805U CN 207316907 U CN207316907 U CN 207316907U
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- heat exchanger
- exchanger tube
- collector
- fluidized bed
- water outlet
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Abstract
The utility model 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 into, water outlet 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 furnace body 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 of abrasionproof catch, a pair of of abrasionproof catch is weldingly fixed on the tube wall of heat exchanger tube, expansion clearance is formed respectively between the end of a pair of of abrasionproof catch.The utility model has the advantage of：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
It the utility model is related 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, its theory of combustion is：The fuel particle wind of small particle will be broken into
Blow afloat to certain altitude after-combustion.The furnace body of fluidized bed furnace from top to bottom mainly includes upper furnace, boiling bed, gas chamber.Temperature
It is that temperature is too low to be easy to cause fuel particle imperfect combustion, and temperature is excessive an important factor for determining burning quality in fluidized bed furnace
Then easily so that fuel particle coking, viscous corruption.Therefore cooling device is provided with boiling bed, cooling device removes boiling bed
Unnecessary thermal energy, and thermal energy is used.Cooling device mainly includes some heat exchanger tubes being arranged in boiling bed.
Current cooling device is found during fluidized bed furnace use, and there are following defect：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 that easily so that 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.
Utility model content
The utility model technical issues that need to address are：Transducer wall's abrasion can be greatly reduced and can effectively delay by providing one kind
Solve the cooling device of the fluidized bed furnace boiling bed of tube wall slagging.
To solve the above problems, the technical solution adopted in the utility model is：The cooling device of fluidized bed furnace boiling bed, bag
Include：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 collection
Pipe is connected, and water inlet collector and water outlet collector are arranged at outside fluidized bed furnace, and water inlet collector and water outlet collector are around boiling
The bend pipe of the furnace body of stove circumferentially, water inlet collector are located at the inner side of water outlet collector, the every heat exchanger tube in boiling bed
On be arranged at intervals with some wearing rings, each wearing ring includes a pair of of abrasionproof catch, and a pair of of abrasionproof catch is welded and fixed
On the tube wall of heat exchanger tube, two expansion clearances are formed between the end of a pair of 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 circumferential direction 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.).
The utility model has the advantages that：Wearing ring is all provided with every heat exchanger tube, so can effectively prevent boiling bed
The particulate matter of the interior 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；At the same time
Washing away for boiling bed endoparticle thing exchange thermotube wall can also be greatly reduced, 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 the fluidized bed furnace boiling bed.
Fig. 2 is the structure diagram 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 structure diagram of heat exchanger tube in Fig. 2.
Fig. 4 is the structure diagram shown in A-A section view directions in Fig. 3.
Fig. 5 is the structure diagram shown in B-B section view directions in Fig. 3.
Embodiment
The utility model 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, into
Water collector 3 and water outlet collector 4 are arranged at outside the furnace body of fluidized bed furnace 1, and water inlet collector 3 and water outlet collector 4 are around boiling
The bend pipe of the furnace body 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 outlet.
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 11 endoparticle thing of bed.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
A wearing ring 5 includes a pair of of abrasionproof catch 51, and a pair of of abrasionproof catch 51 is weldingly fixed on the tube wall of heat exchanger tube 2, a pair of
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 circumferential direction 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 in boiling 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 boiling bed 11 endoparticle thing exchange 2 tube wall of heat pipe 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 furnace body 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 of abrasionproof catch, and a pair of of abrasionproof catch is weldingly fixed on the tube wall of heat exchanger tube, the end of a pair of 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 circumferential direction 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 |
|---|---|---|---|
| CN201721266805.6U CN207316907U (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 |
|---|---|---|---|
| CN201721266805.6U CN207316907U (en) | 2017-09-29 | 2017-09-29 | The cooling device of fluidized bed furnace boiling bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207316907U true CN207316907U (en) | 2018-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721266805.6U Active CN207316907U (en) | 2017-09-29 | 2017-09-29 | The cooling device of fluidized bed furnace boiling bed |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654996A (en) * | 2017-09-29 | 2018-02-02 | 苏州海陆重工股份有限公司 | The cooling device of fluidized bed furnace boiling bed |
| CN109529730A (en) * | 2018-12-04 | 2019-03-29 | 淮阴工学院 | Impact resistance heat exchanger tube and fluidized-bed reactor comprising the heat exchanger tube |
| CN110285409A (en) * | 2019-06-14 | 2019-09-27 | 龙口矿业集团有限公司 | A kind of fluidized-bed combustion boiler staggeredly blocks abrasionproof method |
-
2017
- 2017-09-29 CN CN201721266805.6U patent/CN207316907U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654996A (en) * | 2017-09-29 | 2018-02-02 | 苏州海陆重工股份有限公司 | The cooling device of fluidized bed furnace boiling bed |
| CN109529730A (en) * | 2018-12-04 | 2019-03-29 | 淮阴工学院 | Impact resistance heat exchanger tube and fluidized-bed reactor comprising the heat exchanger tube |
| CN109529730B (en) * | 2018-12-04 | 2021-03-16 | 淮阴工学院 | Impact-resistant heat exchange tube |
| CN110285409A (en) * | 2019-06-14 | 2019-09-27 | 龙口矿业集团有限公司 | A kind of fluidized-bed combustion boiler staggeredly blocks abrasionproof method |
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