CN206037793U - Central tube outer circulating fluidized bed heat exchanger - Google Patents
Central tube outer circulating fluidized bed heat exchanger Download PDFInfo
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- CN206037793U CN206037793U CN201620923885.7U CN201620923885U CN206037793U CN 206037793 U CN206037793 U CN 206037793U CN 201620923885 U CN201620923885 U CN 201620923885U CN 206037793 U CN206037793 U CN 206037793U
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- heat exchanger
- knockout drum
- reducer
- fluidized bed
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Abstract
The utility model relates to a central tube outer circulating fluidized bed heat exchanger mainly is used for solving in the conventional art fully endless technical problem of outer circulating fluidized bed heat exchanger solid particle. The utility model discloses a technical scheme who adopts a main central tube outer circulating fluidized bed heat exchanger including reinforced jar 1, knockout drum 3, knockout drum reducer 4, heat exchanger 5, filter screen 7, liquid storage tank 8, pump 9, center tube 11, center tube reducer 12, replenishing pipe 14 has solved above -mentioned technical problem betterly, can be used to replace traditional outer circulating fluidized bed heat exchanger.
Description
Technical field
This utility model belongs to chemical industry heat transmission equipment long-term operation field, is related to a kind of central tubular external circulation fluidized bed
Heat exchanger.It is widely used in solving the technical problem that traditional external circulation fluidized bed heat exchanger solid particle fully can not be circulated.
Background technology
Heat exchanger is widely used in industries such as oil, chemical industry, the energy.Increase however as use time, in heat exchanger
Unavoidably there is dirt adhesion, so as to cause heat exchanger heat exchange efficiency to reduce, resistance increases, affect heat exchanger normally to transport
OK.
External circulation fluidized bed heat exchanger as a kind of new type heat exchanger, with good effect of heat exchange, long operational time it is notable
Advantage.
Can solid particle be that can external circulation fluidized bed heat exchanger just in fully circulation in outer circulating fluidized bed heat exchanger
The bottleneck of the often precondition of operation, and restriction external circulation fluidized bed heat exchanger large-scale application.Traditional external circulation fluidized bed
In heat exchanger, pipe resistance is little all the way for down-comer and separator, and solid particle is often held by liquid phase upwards in down-comer,
Short circuit is formed, is caused solid particle fully cannot circulate, thus be have impact on the normal use of external circulation fluidized bed heat exchanger.
Document US6350928 discloses a kind of external circulation fluidized bed heat exchanger, and document US5676201 is disclosed outside another kind
Circulating fluidized bed heat exchanger.Above-mentioned fluid-bed heat exchanger is not provided with clear and definite solid particle circulating member, so as to cause effect
It is not good, or even be not normally functioning.
This utility model provides a kind of central tubular external circulation fluidized bed heat exchanger, targetedly solves above-mentioned asking
Topic.
The content of the invention
Technical problem to be solved in the utility model be prior art China and foreign countries circulating fluidized bed heat exchangers solid particle not
A kind of problem that fully can be circulated, there is provided central tubular external circulation fluidized bed heat exchanger.The central tubular external circulation fluidized bed is changed
Hot device can realize that solid particle is fully circulated.
For solving above-mentioned technical problem, the technical scheme adopted by this utility model is as follows：A kind of central tubular outer circulation
Fluid-bed heat exchanger, mainly include feed pot 1, charge door 2, knockout drum 3, knockout drum reducer 4, heat exchanger 5, check valve I 6,
Filter screen 7, liquid storage groove 8, pump 9, check valve II 10, central canal 11, central canal reducer 12, check valve III 13, supplementary pipe 14；Its
In, the connection knockout drum 3 of feed pot 1, the connection heat exchanger 5 of knockout drum reducer 4, heat exchanger 5 access knockout drum 3, and knockout drum 3 connects
Liquid storage groove 8, liquid storage groove 8 are divided into two-way after pump 9, connect central canal 11 all the way, and another road connection supplements pipe 14.
In above-mentioned technical proposal, 11 caliber of the central canal is 25mm～50mm, and depth and 4 big mouth of knockout drum reducer are put down
Together.
In above-mentioned technical proposal, described 12 big mouthfuls of diameters of central canal reducer with 11 caliber of central canal, during osculum is a diameter of
0.4～0.6 times of 11 caliber of heart pipe, is highly 30mm～50mm.
In above-mentioned technical proposal, 3～5 times of a diameter of 11 caliber of central canal of 4 big mouth of the knockout drum reducer, osculum is straight
0.5～0.7 times for knockout drum 4 big mouthfuls of diameters of reducer of footpath, it is highly identical with central canal reducer 12.
In above-mentioned technical proposal, 14 caliber of supplementary pipe be 6mm～8mm, supplement pipe 14 from the horizontal by acute angle
Angle is 30～60 °, and the length for inserting knockout drum 3 is more than or equal to 10mm, when central canal reducer 12 and knockout drum reducer 4 it
Between produce solid particle build bridge blocking when, open supplement pipe 14, using current dredge blockage.
In above-mentioned technical proposal, the filter screen 7 installed in from heat exchanger 5 introduce knockout drum 3 pipeline on, 7 hole of filter screen
Footpath is 0.1～1mm, 50～80mm at the top of distance separation tank 3.
In above-mentioned technical proposal, the heat exchanger 5 is vertical tube-type heat exchanger.
In above-mentioned technical proposal, the check valve I 6 is arranged on heat exchanger 5 on the pipeline of knockout drum 3, and flow direction is from changing
Hot device 5 arrives knockout drum 3.
In above-mentioned technical proposal, the check valve II 10 is arranged on pump 9 on the pipeline of central canal 11, and flow direction is from pump 9
To central canal 11.
In above-mentioned technical proposal, the check valve III 13 is arranged on pump 9 to the pipeline for supplementing pipe 14, and flow direction is from pump 9
To supplementary pipe 14.
In above-mentioned technical proposal, the pump 9 is liquid delivery pump, preferably centrifugal pump.
In above-mentioned technical proposal, in the knockout drum 3, buildup highly exceedes 4 height of knockout drum reducer.
Using the technical solution of the utility model, by using a kind of central tubular external circulation fluidized bed heat exchanger, obtaining
Solid particle continuous-stable circulates the preferable technique effect of more than 100 hours.
Description of the drawings
Fig. 1 is central tubular external circulation fluidized bed heat exchanger schematic diagram described in the utility model.
In Fig. 1,1 is feed pot；2 is charge door；3 is knockout drum；4 is knockout drum reducer；5 is heat exchanger；6 is unidirectional
Valve I；7 is filter screen；8 is liquid storage groove；9 is pump；10 is check valve II；Manage centered on 11；Pipe reducer centered on 12；13 is single
To valve III；14 manage for supplementing.
Feed pot 1 is connected with knockout drum 3, and knockout drum reducer 4 is connected with heat exchanger 5, and heat exchanger 5 accesses knockout drum 3, point
It is connected with liquid storage groove 8 from tank 3, liquid storage groove 8 is divided into two-way Jing after pump 9, connects central canal 11 all the way, another road connection is supplemented
Pipe 14.
Solid particle is added from feed pot 1, the buildup in the knockout drum 3, under the liquid phase in central canal 11 is promoted, solid
Grain completes circulation through heat exchanger 5 into knockout drum 3, and liquid phase out, into liquid storage groove 8, is divided into after pump 9 from filter screen 7
Two-way, completes circulation into central canal 11 all the way, and another road enters and supplements pipe 14.
This utility model is further elaborated below by embodiment and comparative example, but method of the present utility model is not
It is only limitted to this.
Specific embodiment
With reference to embodiment, method of the present utility model is further illustrated.
【Embodiment 1】
Using the heat exchanger of central tubular external circulation fluidized bed shown in Fig. 1.123 heat exchange row are set in the fluid-bed heat exchanger
Pipe, every pipe range 1000mm, caliber are 22 × 1.5mm of Φ, and pipe is in equilateral triangle arrangement.Central canal caliber 25mm, central canal
Reducer osculum diameter 10mm, height 30mm.The big mouth diameter 75mm of knockout drum reducer, osculum diameter 38mm, supplement pipe caliber
6mm, from the horizontal by 30 ° of angles, inserts knockout drum 10mm.Aperture of filter screen 0.1mm, distance separation tank top 50mm.Solid
Bead of the grain-by-grain seed selection with mean diameter 2mm, liquid phase is water, from centrifugal pump.Under the conditions of being somebody's turn to do, solid particle can be realized fully following
Ring, after continuous-stable is circulated 100 hours, solid particle circulatory condition does not change.
【Embodiment 2】
Using the heat exchanger of central tubular external circulation fluidized bed shown in Fig. 1.123 heat exchange row are set in the fluid-bed heat exchanger
Pipe, every pipe range 1000mm, caliber are 22 × 1.5mm of Φ, and pipe is in equilateral triangle arrangement.Central canal caliber 25mm, central canal
Reducer osculum diameter 10mm, height 30mm.The big mouth diameter 75mm of knockout drum reducer, osculum diameter 38mm, supplement pipe caliber
6mm, from the horizontal by 30 ° of angles, inserts knockout drum 10mm.Aperture of filter screen 0.1mm, distance separation tank top 80mm.Solid
Bead of the grain-by-grain seed selection with mean diameter 2mm, liquid phase is water, from centrifugal pump.Under the conditions of being somebody's turn to do, solid particle can be realized fully following
Ring, after continuous-stable is circulated 100 hours, solid particle circulatory condition does not change.
【Embodiment 3】
Using the heat exchanger of central tubular external circulation fluidized bed shown in Fig. 1.123 heat exchange row are set in the fluid-bed heat exchanger
Pipe, every pipe range 1000mm, caliber are 22 × 1.5mm of Φ, and pipe is in equilateral triangle arrangement.Central canal caliber 25mm, central canal
Reducer osculum diameter 10mm, height 30mm.The big mouth diameter 75mm of knockout drum reducer, osculum diameter 38mm, supplement pipe caliber
6mm, from the horizontal by 30 ° of angles, inserts knockout drum 20mm.Aperture of filter screen 0.1mm, distance separation tank top 50mm.Solid
Bead of the grain-by-grain seed selection with mean diameter 2mm, liquid phase is water, from centrifugal pump.Under the conditions of being somebody's turn to do, solid particle can be realized fully following
Ring, after continuous-stable is circulated 100 hours, solid particle circulatory condition does not change.
【Embodiment 4】
Using the heat exchanger of central tubular external circulation fluidized bed shown in Fig. 1.123 heat exchange row are set in the fluid-bed heat exchanger
Pipe, every pipe range 1000mm, caliber are 22 × 1.5mm of Φ, and pipe is in equilateral triangle arrangement.Central canal caliber 25mm, central canal
Reducer osculum diameter 10mm, height 50mm.The big mouth diameter 75mm of knockout drum reducer, osculum diameter 38mm, supplement pipe caliber
6mm, from the horizontal by 30 ° of angles, inserts knockout drum 10mm.Aperture of filter screen 0.1mm, distance separation tank top 50mm.Solid
Bead of the grain-by-grain seed selection with mean diameter 2mm, liquid phase is water, from centrifugal pump.Under the conditions of being somebody's turn to do, solid particle can be realized fully following
Ring, after continuous-stable is circulated 100 hours, solid particle circulatory condition does not change.
【Embodiment 5】
Using the heat exchanger of central tubular external circulation fluidized bed shown in Fig. 1.123 heat exchange row are set in the fluid-bed heat exchanger
Pipe, every pipe range 1000mm, caliber are 22 × 1.5mm of Φ, and pipe is in equilateral triangle arrangement.Central canal caliber 25mm, central canal
Reducer osculum diameter 10mm, height 30mm.The big mouth diameter 75mm of knockout drum reducer, osculum diameter 38mm, supplement pipe caliber
6mm, from the horizontal by 30 ° of angles, inserts knockout drum 10mm.Aperture of filter screen 1mm, distance separation tank top 50mm.Solid particle
From the bead of mean diameter 2mm, liquid phase is water, from centrifugal pump.Under the conditions of being somebody's turn to do, solid particle can realize fully circulation,
After continuous-stable is circulated 100 hours, solid particle circulatory condition does not change.
【Embodiment 6】
Using the heat exchanger of central tubular external circulation fluidized bed shown in Fig. 1.123 heat exchange row are set in the fluid-bed heat exchanger
Pipe, every pipe range 1000mm, caliber are 22 × 1.5mm of Φ, and pipe is in equilateral triangle arrangement.Central canal caliber 25mm, central canal
Reducer osculum diameter 10mm, height 30mm.The big mouth diameter 75mm of knockout drum reducer, osculum diameter 38mm, supplement pipe caliber
6mm, from the horizontal by 60 ° of angles, inserts knockout drum 10mm.Aperture of filter screen 0.1mm, distance separation tank top 50mm.Solid
Bead of the grain-by-grain seed selection with mean diameter 2mm, liquid phase is water, from centrifugal pump.Under the conditions of being somebody's turn to do, solid particle can be realized fully following
Ring, after continuous-stable is circulated 100 hours, solid particle circulatory condition does not change.
【Embodiment 7】
Using the heat exchanger of central tubular external circulation fluidized bed shown in Fig. 1.123 heat exchange row are set in the fluid-bed heat exchanger
Pipe, every pipe range 1000mm, caliber are 22 × 1.5mm of Φ, and pipe is in equilateral triangle arrangement.Central canal caliber 25mm, central canal
Reducer osculum diameter 10mm, height 30mm.The big mouth diameter 75mm of knockout drum reducer, osculum diameter 38mm, supplement pipe caliber
8mm, from the horizontal by 30 ° of angles, inserts knockout drum 10mm.Aperture of filter screen 0.1mm, distance separation tank top 50mm.Solid
Bead of the grain-by-grain seed selection with mean diameter 2mm, liquid phase is water, from centrifugal pump.Under the conditions of being somebody's turn to do, solid particle can be realized fully following
Ring, after continuous-stable is circulated 100 hours, solid particle circulatory condition does not change.
【Embodiment 8】
Using the heat exchanger of central tubular external circulation fluidized bed shown in Fig. 1.123 heat exchange row are set in the fluid-bed heat exchanger
Pipe, every pipe range 1000mm, caliber are 22 × 1.5mm of Φ, and pipe is in equilateral triangle arrangement.Central canal caliber 25mm, central canal
Reducer osculum diameter 10mm, height 30mm.The big mouth diameter 75mm of knockout drum reducer, osculum diameter 52mm, supplement pipe caliber
6mm, from the horizontal by 30 ° of angles, inserts knockout drum 10mm.Aperture of filter screen 0.1mm, distance separation tank top 50mm.Solid
Bead of the grain-by-grain seed selection with mean diameter 2mm, liquid phase is water, from centrifugal pump.Under the conditions of being somebody's turn to do, solid particle can be realized fully following
Ring, after continuous-stable is circulated 100 hours, solid particle circulatory condition does not change.
【Embodiment 9】
Using the heat exchanger of central tubular external circulation fluidized bed shown in Fig. 1.123 heat exchange row are set in the fluid-bed heat exchanger
Pipe, every pipe range 1000mm, caliber are 22 × 1.5mm of Φ, and pipe is in equilateral triangle arrangement.Central canal caliber 25mm, central canal
Reducer osculum diameter 10mm, height 30mm.The big mouth diameter 125mm of knockout drum reducer, osculum diameter 63mm, supplement pipe caliber
6mm, from the horizontal by 30 ° of angles, inserts knockout drum 10mm.Aperture of filter screen 0.1mm, distance separation tank top 50mm.Solid
Bead of the grain-by-grain seed selection with mean diameter 2mm, liquid phase is water, from centrifugal pump.Under the conditions of being somebody's turn to do, solid particle can be realized fully following
Ring, after continuous-stable is circulated 100 hours, solid particle circulatory condition does not change.
【Embodiment 10】
Using the heat exchanger of central tubular external circulation fluidized bed shown in Fig. 1.123 heat exchange row are set in the fluid-bed heat exchanger
Pipe, every pipe range 1000mm, caliber are 22 × 1.5mm of Φ, and pipe is in equilateral triangle arrangement.Central canal caliber 25mm, central canal
Reducer osculum diameter 15mm, height 30mm.The big mouth diameter 75mm of knockout drum reducer, osculum diameter 38mm, supplement pipe caliber
6mm, from the horizontal by 30 ° of angles, inserts knockout drum 10mm.Aperture of filter screen 0.1mm, distance separation tank top 50mm.Solid
Bead of the grain-by-grain seed selection with mean diameter 2mm, liquid phase is water, from centrifugal pump.Under the conditions of being somebody's turn to do, solid particle can be realized fully following
Ring, after continuous-stable is circulated 100 hours, solid particle circulatory condition does not change.
【Embodiment 11】
Using the heat exchanger of central tubular external circulation fluidized bed shown in Fig. 1.123 heat exchange row are set in the fluid-bed heat exchanger
Pipe, every pipe range 1000mm, caliber are 22 × 1.5mm of Φ, and pipe is in equilateral triangle arrangement.Central canal caliber 50mm, central canal
Reducer osculum diameter 20mm, height 30mm.The big mouth diameter 150mm of knockout drum reducer, osculum diameter 75mm, supplement pipe caliber
6mm, from the horizontal by 30 ° of angles, inserts knockout drum 10mm.Aperture of filter screen 0.1mm, distance separation tank top 50mm.Solid
Bead of the grain-by-grain seed selection with mean diameter 2mm, liquid phase is water, from centrifugal pump.Under the conditions of being somebody's turn to do, solid particle can be realized fully following
Ring, after continuous-stable is circulated 100 hours, solid particle circulatory condition does not change.
【Comparative example】
Using traditional external circulation fluidized bed heat exchanger.123 heat exchanging pipes, every pipe range is set in the fluid-bed heat exchanger
1000mm, caliber are 22 × 1.5mm of Φ, and pipe is in equilateral triangle arrangement.Bead of the solid particle from mean diameter 2mm,
Liquid phase is water, from centrifugal pump.Under the conditions of being somebody's turn to do, solid particle cannot realize circulation.
Claims (10)
1. a kind of central tubular external circulation fluidized bed heat exchanger, mainly including feed pot (1), charge door (2), knockout drum (3), point
From tank reducer (4), heat exchanger (5), check valve I (6), filter screen (7), liquid storage groove (8), pump (9), check valve II (10), in
Heart pipe (11), central canal reducer (12), check valve III (13), supplementary pipe (14)；Wherein, feed pot (1) connection knockout drum
(3), knockout drum reducer (4) connection heat exchanger (5), heat exchanger (5) access knockout drum (3), knockout drum (3) connection liquid storage groove
(8), liquid storage groove (8) is divided into two-way after pump (9), connects central canal (11) all the way, and another road connection supplements pipe (14).
2. central tubular external circulation fluidized bed heat exchanger according to claim 1, it is characterised in that central canal (11) caliber
For 25mm～50mm；Central canal (11) depth is concordant with the big mouth of knockout drum reducer (4).
3. central tubular external circulation fluidized bed heat exchanger according to claim 1, it is characterised in that central canal reducer
(12) big mouth diameter same central canal (11) caliber；The 0.4 of central canal reducer (12) osculum a diameter of central canal (11) caliber～
0.6 times；Central canal reducer (12) is highly 30mm～50mm.
4. central tubular external circulation fluidized bed heat exchanger according to claim 1, it is characterised in that knockout drum reducer
(4) 3～5 times of big mouth a diameter of central canal (11) caliber；Knockout drum reducer (4) osculum is a diameter of knockout drum reducer (4)
0.5～0.7 times of big mouth diameter；Knockout drum reducer (4) is highly identical with central canal reducer (12).
5. central tubular external circulation fluidized bed heat exchanger according to claim 1, it is characterised in that supplement pipe (14) caliber
For 6mm～8mm；Supplement pipe (14) from the horizontal by sharp angle be 30～60 °；Supplement pipe (14) insertion knockout drum (3)
Length be more than or equal to 10mm.
6. central tubular external circulation fluidized bed heat exchanger according to claim 1, it is characterised in that filter screen (7) is arranged on
From on the pipeline that heat exchanger (5) introduces knockout drum (3)；Filter screen (7) aperture is 0.1～1mm；Filter screen (7) distance separation tank (3)
50～80mm of top.
7. central tubular external circulation fluidized bed heat exchanger according to claim 1, it is characterised in that heat exchanger (5) is vertical
Formula tubular heat exchanger.
8. central tubular external circulation fluidized bed heat exchanger according to claim 1, it is characterised in that check valve I (6) is installed
On the pipeline of heat exchanger (5) to knockout drum (3), flow direction is from heat exchanger (5) to knockout drum (3)；Check valve II (10) is installed
On the pipeline of pump (9) to central canal (11), flow direction is from pump (9) to central canal (11)；Check valve III (13) is arranged on pump (9)
To on the pipeline for supplementing pipe (14), flow direction is from pump (9) to supplementary pipe (14).
9. central tubular external circulation fluidized bed heat exchanger according to claim 1, it is characterised in that pump (9) is that liquid is defeated
Send pump.
10. central tubular external circulation fluidized bed heat exchanger according to claim 1, it is characterised in that product in knockout drum (3)
Material height exceedes knockout drum reducer (4) height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620923885.7U CN206037793U (en) | 2016-08-23 | 2016-08-23 | Central tube outer circulating fluidized bed heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620923885.7U CN206037793U (en) | 2016-08-23 | 2016-08-23 | Central tube outer circulating fluidized bed heat exchanger |
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| Publication Number | Publication Date |
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| CN206037793U true CN206037793U (en) | 2017-03-22 |
Family
ID=58302822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201620923885.7U Active CN206037793U (en) | 2016-08-23 | 2016-08-23 | Central tube outer circulating fluidized bed heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406328A (en) * | 2017-08-17 | 2019-03-01 | 中国石油化工股份有限公司 | Suspension method measures the device of fluid-bed heat exchanger tubulation endoparticle distribution |
-
2016
- 2016-08-23 CN CN201620923885.7U patent/CN206037793U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406328A (en) * | 2017-08-17 | 2019-03-01 | 中国石油化工股份有限公司 | Suspension method measures the device of fluid-bed heat exchanger tubulation endoparticle distribution |
| CN109406328B (en) * | 2017-08-17 | 2021-03-30 | 中国石油化工股份有限公司 | Device for determining particle distribution in tube of fluidized bed heat exchanger by suspension method |
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