CN209672895U - Annular lime kiln air heat exchanger - Google Patents
Annular lime kiln air heat exchanger Download PDFInfo
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- CN209672895U CN209672895U CN201822131526.XU CN201822131526U CN209672895U CN 209672895 U CN209672895 U CN 209672895U CN 201822131526 U CN201822131526 U CN 201822131526U CN 209672895 U CN209672895 U CN 209672895U
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- heat exchanger
- perforated plate
- lime kiln
- steel ball
- flexblejoint
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Abstract
The utility model belongs to technical field of heat exchangers, more particularly to annular lime kiln air heat exchanger, including heat exchanger body, heat exchanger body top is equipped with gas inlet II, upper perforated plate and lower perforated plate are equipped in heat exchanger body, it is equipped with heat exchanger tube between upper perforated plate and lower perforated plate, is equipped with impacting type gas-solid separator at gas inlet II；It is connected between heat exchanger tube and lower perforated plate by detachable structure.Separation can efficiently be intercepted to annular lime kiln heat exchanger tamper using the utility model, and facilitate the replacement of heat exchanger tube, strengthen shell side heat convection under conditions of heat exchange area is constant.
Description
Technical field
The utility model belongs to technical field of heat exchangers, and in particular to annular lime kiln air heat exchanger.
Background technique
Annular lime kiln air heat exchanger is not only a kind of waste-heat recovery device, and is to realize its cocurrent calcine technology
Key equipment.Most annular lime kiln air heat exchangers are easily bonded in heat transfer tube wall there are the stickum in flue gas and cause to change
The problem of heat pipe blocks.In response to this problem application No. is 201110269849.5 utility model patent, application No. is
201120441636.1 utility model patent and application No. is the solutions that 201220429750.7 utility model patent provides
Scheme be inherently before heat exchanger tube be arranged blocking apparatus capture flue gas in part stickum to delay heat exchanger tube to be blocked
The time of plug.But it is not easily to fall off on blocking apparatus that problem is that intercepted stickum is sticked to, it is still desirable to which periodically stop production replacement
With cleaning blocking apparatus；
Due to the influence of high temperature corrosion, there is about 1/3 heat exchanger tube easily to perforate, the service life is heat exchanger other parts
1/6~1/5.The cost of this part heat exchanger tube is insufficient, and whole heat exchanger system pacifies the 5% of expense, but not because of the steel pipe of perforation
It is convenient for changing and often leads to scrapping for whole heat exchanger；
Annular lime kiln air heat exchanger generallys use single segmental baffle at present, and heat exchanger shell pass is made to there is heat exchange dead zone
Cause heat exchange efficiency not high.
Summary of the invention
In response to the above problems, the present invention proposes a kind of annular lime kiln air heat exchangers, using the utility model
Separation can efficiently be intercepted to annular lime kiln heat exchanger tamper, and facilitate the replacement of heat exchanger tube, it is constant in heat exchange area
Under conditions of strengthen shell side heat convection.
The utility model uses following technical scheme: annular lime kiln air heat exchanger, including heat exchanger body, heat exchanger
Body upper part is equipped with gas inlet II, is equipped with upper perforated plate and lower perforated plate in heat exchanger body, is equipped between upper perforated plate and lower perforated plate
Heat exchanger tube is equipped with impacting type gas-solid separator at gas inlet II；It is connected between heat exchanger tube and lower perforated plate by detachable structure.
Flue gas first passes around impacting type gas-solid separator, intercepts to solid granulates therein, then enters back into heat exchange
Device ontology exchanges heat.
The impacting type gas-solid separator includes shell, insulating layer and block piece, and block piece is vertically mounted on by shell
In the space limited with insulating layer, the gas inlet I of impacting type gas-solid separator is higher than its exhanst gas outlet I, exhanst gas outlet I with
Gas inlet II connection.
The impacting type gas-solid separator position gas inlet I is higher than the position exhanst gas outlet I, makes flue gas in gas solid separation
The angle between flow direction and vertically arranged block piece in device is preferably smaller than equal to 65 ° less than 90 °.With the prior art
The gas-solid separator of middle use is compared, which has the advantages that dust in the 1) separator of the prior art and stop
Part frontal impact, springback capacity is big, is easy to produce reentrainment.The flow direction of the impacting type gas-solid separator flue gas and hang down
The angle between block piece directly installed is acute angle, and springback capacity is small, is not likely to produce reentrainment；2) in the separator of the prior art
Ash bucket is fallen by gravity after dust is intercepted, speed is slower, and residence time is longer in reentrainment area.The impacting type
Gas-solid separator dust and block piece have a downward velocity component when hitting, and can quickly leave reentrainment area, reduce
Reentrainment.The above two o'clock makes the impacting type gas-solid separator that can reduce blocking in the case where obtaining same interception rate
The number of plies of part alleviates the contradiction improved between interception rate and reduction smoke flow resistance.Intercepted dust passes through under block piece
The dust outlet discharge of side.The block piece is made of heating resisting metal, and the shell is steel shell.
The structure of the block piece of the impacting type gas-solid separator of the prior art all can be used, including U-lag steel, finned
The structures such as U-lag steel, extended surface tube, flute profile semi-circular tube.
Detachable structure described in the utility model includes sealing buckle, FlexbleJoint and the steel with lower perforated plate welding
Ball；The sealing buckle is that side wall is provided on the inside of through slot and through slot end the short tube for having boss, fluted, through slot between boss
It is along short tube spiral, the through slot and steel ball are adapted, and under normal circumstances, through slot width is slightly larger than steel ball size, are protected
Card steel ball can pass through；The FlexbleJoint include from top to bottom be sequentially connected FlexbleJoint assembly it is short
Pipe, bellows and the non-assembly short tube of FlexbleJoint.The FlexbleJoint assembly short tube outer wall on the FlexbleJoint top is opened
There is the counterbore being adapted with steel ball.Further, sealing ring is equipped between the sealing buckle and FlexbleJoint.Sealing ring
For nonmetallic sealing ring.
The counterbore quantity is equal with sealing buckle through slot quantity.
When installation, steel ball is embedded in counterbore and through slot simultaneously, rotates FlexbleJoint, steel ball is along through slot helicoid by wave
Line compensator short tube pushes sealing ring to until compressing, last steel ball drops into the groove between the boss of through slot end, to prevent wave
The reversion of line compensator.Heat exchanger tube upper end and upper perforated plate weld, and lower end and the non-assembly short tube of FlexbleJoint weld.Remove heat exchanger tube
Or the program of FlexbleJoint is opposite with installation procedure.Steel ball is along boss edge uplink when disassembly, and then drives bellows upward
Nonmetallic sealing ring is squeezed, nonmetallic sealed ring deformation is made, reaches dismounting purpose at this time.It can for the ease of steel ball when disassembly
It is relatively easy to from groove and comes out, depth of groove is steel ball size 1/4-1/3, and steel ball radius is sealing buckle pipe thickness
80%-90%.
In use process, heat exchanger tube and FlexbleJoint service life are similar, both usual components must be replaced simultaneously, and
It is also easily damaged FlexbleJoint when removing heat exchanger tube, therefore, the utility model realizes FlexbleJoint and heat exchanger tube simultaneously
Replacement.
It further include rod baffle, baffling circle in heat exchanger body described in the utility model.Rod baffle is welded on baffling in parallel
On circle, heat exchanger tube is passed through from the gap of the rod baffle of one group of interlaced arrangement, and heat exchanger tube is positive triangle inside heat exchanger body
Shape arrangement, space utilization rate are high.
Solid particulate matter in simultaneously separating flue is intercepted using annular lime kiln air heat exchanger described in the utility model
Method, feature are that the impacting type gas-solid separator is arranged in pipeline close to kiln body end, intercept and separation process is in flue gas temperature
The region that degree is higher than the phase transition temperature that stickum changes from gaseous state to liquid carries out.It intercepts and separation process is in flue-gas temperature height
It is carried out in the region for the phase transition temperature that stickum changes from gaseous state to liquid, and flow direction of the flue gas in gas-solid separator
Angle between vertically arranged block piece is preferably smaller than equal to 65 ° less than 90 °.
Due to the needs of technology arrangement, being sent to the flue gas of heat exchanger, be brought out after kiln body will also could be by a segment pipe
Enter heat exchanger.Because on the way heat dissipation of pipeline, leak out or even artificially mix the reasons such as cold wind, certain stickums are complete in this segment pipe
At from gaseous state to the phase transition process of liquid.The blocking apparatus of the prior art is typically located at the close heat exchanger end of pipeline, institute
The particulate matter of interception is easily bonded on block piece.Impacting type gas-solid separator described in the utility model is arranged in pipeline close to kiln
Body end is it is possible to prevente effectively from block piece fouling.
In conclusion the utility model has the following beneficial effects:
1, using the impacting type gas-solid separator of specific structure, the heat exchanger blocking period is extended, the working of a furnace is kept to stablize；
2, it is connected between heat exchanger tube and lower perforated plate by detachable structure, improves heat exchanger maintenanceability, extend heat exchange
The device service life；
3, in the utility model, impacting type blocker intercepts most of dust, can delay to block, and reduces thermal resistance；Using folding
Flow post heat exchanger eliminates heat exchange dead zone, improves mean temperature difference；Meanwhile the utility model heat exchanger tube uses triangular arrangement,
Biggish heat exchange area is remained in a limited space, improves heat exchange total amount, and then the utility model can be improved heat exchange
Device performance reduces heat-energy losses.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is detachable structure structural schematic diagram described in the utility model；
Fig. 3 is that sealing described in the utility model buckles side wall through slot expanded schematic diagram；
Fig. 4 is the A-A of Fig. 1 to structural schematic diagram
In figure: 1 heat exchanger body, 1-1 gas inlet II, 1-2 upper perforated plate, 1-3 lower perforated plate, 1-4 heat exchanger tube；2 impacting types
Gas-solid separator, 2-1 shell, 2-2 insulating layer, 2-3 block piece, 2-4 gas inlet I, 2-5 exhanst gas outlet I；3 detachable structures,
3-1 sealing buckle, 3-2 FlexbleJoint, 3-3 steel ball, 3-4 through slot, 3-5 FlexbleJoint assemble short tube, 3-6 counterbore, 3-7
Sealing ring, the non-assembly short tube of 3-8 FlexbleJoint, 3-9 boss, 3-10 groove；4 kiln bodies.
Specific embodiment
Embodiment 1
Annular lime kiln air heat exchanger, including heat exchanger body 1,1 top of heat exchanger body are equipped with gas inlet II1-
1, heat exchanger body 1 is interior to be equipped with upper perforated plate 1-2 and lower perforated plate 1-3, and heat exchanger tube 1- is equipped between upper perforated plate 1-2 and lower perforated plate 1-3
Impacting type gas-solid separator 2 is equipped at 4, gas inlet II1-1；Pass through detachable structure between heat exchanger tube 1-4 and lower perforated plate 1-3
3 connections.
The impacting type gas-solid separator 2 includes shell 2-1, insulating layer 2-2 and block piece 2-3, and block piece 2-3 is vertical
It is mounted in the space limited by shell 2-1 and insulating layer 2-2, the gas inlet I2-4 of impacting type gas-solid separator 2 is higher than
Its exhanst gas outlet I2-5, exhanst gas outlet I2-5 are connected to gas inlet II1-1.
The detachable structure 3 includes sealing buckle 3-1, FlexbleJoint 3-2 and the steel ball with lower perforated plate 1-3 welding
3-3；The sealing buckle 3-1 is that side wall is provided on the inside of through slot 3-4 and through slot end the short tube for having boss 3-9, boss 3-9 it
Between fluted 3-10, the through slot 3-4 and steel ball 3-3 be adapted；The FlexbleJoint on the top the FlexbleJoint 3-2 fills
The counterbore 3-6 being adapted with steel ball 3-3 is provided with short tube 3-5 outer wall.
The groove 3-10 depth is the 1/4 of steel ball 3-3 diameter, and steel ball 3-3 radius is sealing buckle 3-1 pipe thickness
80%.
Embodiment 2
Annular lime kiln air heat exchanger, including heat exchanger body 1,1 top of heat exchanger body are equipped with gas inlet II1-
1, heat exchanger body 1 is interior to be equipped with upper perforated plate 1-2 and lower perforated plate 1-3, and heat exchanger tube 1- is equipped between upper perforated plate 1-2 and lower perforated plate 1-3
Impacting type gas-solid separator 2 is equipped at 4, gas inlet II1-1；Pass through detachable structure between heat exchanger tube 1-4 and lower perforated plate 1-3
3 connections.
The impacting type gas-solid separator 2 includes shell 2-1, insulating layer 2-2 and block piece 2-3, and block piece 2-3 is vertical
It is mounted in the space limited by shell 2-1 and insulating layer 2-2, the gas inlet I2-4 of impacting type gas-solid separator 2 is higher than
Its exhanst gas outlet I2-5, exhanst gas outlet I2-5 are connected to gas inlet II1-1.
The detachable structure 3 includes sealing buckle 3-1, FlexbleJoint 3-2 and the steel ball with lower perforated plate 1-3 welding
3-3；The sealing buckle 3-1 is that side wall is provided on the inside of through slot 3-4 and through slot end the short tube for having boss 3-9, boss 3-9 it
Between fluted 3-10, the through slot 3-4 and steel ball 3-3 be adapted；The FlexbleJoint on the top the FlexbleJoint 3-2 fills
The counterbore 3-6 being adapted with steel ball 3-3 is provided with short tube 3-5 outer wall.
The groove 3-10 depth is the 1/3 of steel ball 3-3 diameter, and steel ball 3-3 radius is sealing buckle 3-1 pipe thickness
90%.
Sealing ring 3-7 is equipped between the sealing buckle 3-1 and FlexbleJoint 3-2.
The counterbore 3-6 quantity is equal with the sealing buckle through slot 3-4 quantity of 3-1.
The heat exchanger tube 1-4 is positive triangular arrangement inside heat exchanger body 1.
Claims (6)
1. annular lime kiln air heat exchanger, including heat exchanger body (1), heat exchanger body (1) top is equipped with gas inlet II
(1-1), is equipped with upper perforated plate (1-2) and lower perforated plate (1-3) in heat exchanger body (1), upper perforated plate (1-2) and lower perforated plate (1-3) it
Between be equipped with heat exchanger tube (1-4), which is characterized in that at gas inlet II (1-1) be equipped with impacting type gas-solid separator (2)；Heat exchanger tube
It is connect between (1-4) and lower perforated plate (1-3) by detachable structure (3)；
The impacting type gas-solid separator (2) includes shell (2-1), insulating layer (2-2) and block piece (2-3), block piece (2-
3) it is vertically mounted in the space limited by shell (2-1) and insulating layer (2-2), the flue gas of impacting type gas-solid separator (2)
Import I (2-4) is higher than its exhanst gas outlet I (2-5), and exhanst gas outlet I (2-5) is connected to gas inlet II (1-1).
2. annular lime kiln air heat exchanger according to claim 1, which is characterized in that the detachable structure (3)
Including sealing buckle (3-1), FlexbleJoint (3-2) and the steel ball (3-3) welded with lower perforated plate (1-3)；The sealing buckle
(3-1) is that side wall is provided on the inside of through slot (3-4) and through slot end the short tube for having boss (3-9), fluted between boss (3-9)
(3-10)；The through slot (3-4) and steel ball (3-3) are adapted；The FlexbleJoint on FlexbleJoint (3-2) top assembles
Short tube (3-5) outer wall is provided with and steel ball (3-3) adaptable counterbore (3-6).
3. annular lime kiln air heat exchanger according to claim 2, which is characterized in that groove (3-10) depth is
The 1/4-1/3 of steel ball (3-3) diameter, steel ball (3-3) radius are the 80%-90% of sealing buckle (3-1) pipe thickness.
4. annular lime kiln air heat exchanger according to claim 2, which is characterized in that the sealing buckles (3-1)
Sealing ring (3-7) is equipped between FlexbleJoint (3-2).
5. annular lime kiln air heat exchanger according to claim 2, which is characterized in that counterbore (3-6) quantity with
Through slot (3-4) quantity of sealing buckle (3-1) is equal.
6. annular lime kiln air heat exchanger according to claim 1, which is characterized in that the heat exchanger tube (1-4) is being changed
Be positive triangular arrangement inside hot device ontology (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822131526.XU CN209672895U (en) | 2018-12-19 | 2018-12-19 | Annular lime kiln air heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822131526.XU CN209672895U (en) | 2018-12-19 | 2018-12-19 | Annular lime kiln air heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN209672895U true CN209672895U (en) | 2019-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822131526.XU Active CN209672895U (en) | 2018-12-19 | 2018-12-19 | Annular lime kiln air heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443054A (en) * | 2018-12-19 | 2019-03-08 | 济南鲍德炉料有限公司日照市分公司 | Annular lime kiln air heat exchanger |
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2018
- 2018-12-19 CN CN201822131526.XU patent/CN209672895U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443054A (en) * | 2018-12-19 | 2019-03-08 | 济南鲍德炉料有限公司日照市分公司 | Annular lime kiln air heat exchanger |
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