CN107764107A - The method that outer circulation type fluid-bed heat exchanger solid particle fully circulates - Google Patents
The method that outer circulation type fluid-bed heat exchanger solid particle fully circulates Download PDFInfo
- Publication number
- CN107764107A CN107764107A CN201610708777.2A CN201610708777A CN107764107A CN 107764107 A CN107764107 A CN 107764107A CN 201610708777 A CN201610708777 A CN 201610708777A CN 107764107 A CN107764107 A CN 107764107A
- Authority
- CN
- China
- Prior art keywords
- valve
- solid particle
- heat exchanger
- triple valve
- state
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D13/00—Heat-exchange apparatus using a fluidised bed
Abstract
The present invention relates to a kind of method that fluid-bed heat exchanger solid particle fully circulates, and mainly solves the technical problem that fluid-bed heat exchanger solid particle can not be circulated fully in conventional art.The present invention is by using following steps：(a) solid particles add down-comer 15 and the intersection of horizontal tube 7, shutoff valve IV 21, switching three-way valve A16 to state 1, switching three-way valve B17 to state 3；(b) solid particles enter revolving cup 24 after horizontal tube 7, heat exchanger 8, liquid-solid separator 10；(c) switching three-ways valve A16 is to state 2, switching three-way valve B17 is to state 4, open valve IV 21, rotary-tray 3 rotates a lattice, down-comer 15 and the intersection of horizontal tube 7 are dropped down onto under solid particle, the technical scheme that completion solid particle fully circulates that repeats the above steps preferably solves above-mentioned technical problem, is fully circulated in circulating fluid bed heat exchanger outside available for solid particle is promoted.
Description
Technical field
The invention belongs to chemical field, specifically, belonging to chemical industry heat transmission equipment long-term operation field, it is related to a kind of fluidisation
The method that bed heat exchanger solid particle fully circulates, is widely used in solving traditional outer circulation type fluid-bed heat exchanger solid particle
The problem of can not fully circulating.
Background technology
Heat exchanger is widely used in industries such as oil, chemical industry, the energy.Increase however as usage time, in heat exchanger
Unavoidably dirt adhesion be present, so as to cause the reduction of heat exchanger heat exchange efficiency, resistance increase, influence heat exchanger and normally transport
OK.
Outer circulation type fluid-bed heat exchanger, to replace traditional heat exchangers, can be improved and changed as a kind of new type heat exchanger
Hot device heat transfer effect, effective extension fixture run time.
Pipe resistance is small all the way for traditional outer circulation type fluid-bed heat exchanger down-comer and liquid-solid separator, and solid particle is under
Held in drop pipe by upward liquid phase, form short circuit, cause solid particle not circulate fully, influence outer circulation type fluid bed and change
Hot device normal use.Can solid particle, which fully circulate to also tend to turn into, restricts outer circulation type fluid-bed heat exchanger large-scale application
Bottleneck.
Document US6350928 discloses a kind of outer circulation type fluid-bed heat exchanger, and document US5676201 discloses another kind
Outer circulation type fluid-bed heat exchanger.Above-mentioned fluid-bed heat exchanger solid particle circulating effect is bad, or even is not normally functioning.Text
Offer CN102921179 and disclose a kind of outer circulation type fluid-bed heat exchanger, the fluid-bed heat exchanger down-comer and horizontal tube it
Between install undergauge nozzle, using undergauge formed negative pressure promote solid particle to circulate, using this structural requirement nozzle design and
Institute's applying working condition tightly agrees with, and can not in most cases realize that solid particle fully circulates, even if in extremely limited behaviour
Solid particle can circulate in the range of work, and its circulating effect is also bad.
Fluid bed can effectively be solved by developing a kind of method that outer circulation type fluid-bed heat exchanger solid particle fully circulates
The bottleneck problem of heat exchanger normal use.
The present invention provides a kind of method that fluid-bed heat exchanger solid particle fully circulates, by introducing triple valve A16, three
Port valve B17 and feed pot 2, realize that solid particle fully follows using triple valve A16, triple valve B17 and valve IV 21 handover operation
Ring, targetedly solves above mentioned problem.
The content of the invention
The technical problems to be solved by the invention are that outer circulation type fluid-bed heat exchanger solid particle can not in the prior art
The problem of fully circulating, there is provided a kind of method that fluid-bed heat exchanger solid particle fully circulates.This method is used for outer circulation type
Fluid-bed heat exchanger, fluid-bed heat exchanger normal use can be made, have solids circulation big, circulate operation stabilization excellent
Point.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows：A kind of outer circulation type fluidized bed heat exchanger
The method that device solid particle fully circulates, is mainly included the following steps that：(a) solid particles are added to feed pot by charge door 1
In 2 on rotary-tray 3 in position A4 revolving cup 24；Position A4 washes in a pan bottom sky, and valve IV 21 is opened, and solid particle enters by position A4
Enter down-comer 15, be deposited on down-comer 15 and the intersection of horizontal tube 7, valve IV 21 is closed, and triple valve A16 switches to state 1, threeway
Valve B17 switches to state 3, and liquid phase walks main body pipeline 23 between triple valve A16 and triple valve B17, opens liquid circulation pump 13；
(b) solid particles under liquid phase promotion enter heat exchanger 8 by horizontal tube 7, by check valve 9 after being come out from the top of heat exchanger 8
Into liquid-solid separator 10, liquid phase enters liquid storage groove 12 after being overflowed above particulate filter plates 11, is returned by liquid circulation pump 13
To horizontal tube 7；(c) when is not measured, valve I 18, valve II 19 are closed, and valve III 20 is opened, and solid particle, which enters in feed pot 2, to be rotated
On pallet 3 in position C6 revolving cup 24, triple valve A16 switches to state 2, and triple valve B17 switches to state 4, in triple valve A16
The liquid phase by-passing 22 between triple valve B17, valve IV 21 are opened, and rotary-tray 3 rotates a lattice, position C6 is rotated in place A4
Place, position A4 are rotated in place at B5, and position B5 is rotated in place at C6, and the solid particle at the C6 of origin-location in revolving cup 24 turns
Fallen to position A4, down-comer 15 is entered by valve IV 21, be deposited on down-comer 15 and the intersection of horizontal tube 7, valve IV 21 closes
Close, triple valve A16 switches to state 1, and triple valve B17 switches to state 3, and liquid phase walks master between triple valve A16 and triple valve B17
Body pipeline 23, solid particle is recycled back to horizontal tube 7 under liquid phase promotion；(d) when is measured, valve I 18 is opened, valve II 19, valve III 20
Close, solid particle enters measuring tank 14, and valve I 18 is closed, and valve II 20 is opened, and solid particle is measured, valve after the completion of metering
III 19 open, and solid particle enters in feed pot 2 on rotary-tray 3 in position C6 revolving cup 24, and valve III 19 is closed, triple valve
A16 switches to state 2, and triple valve B17 switches to state 4, liquid phase by-passing 22, valve IV between triple valve A16 and triple valve B17
21 open, and rotary-tray 3 rotates a lattice, position C6 is rotated in place at A4, and position A4 is rotated in place at B5, position B5 rotations
Go at the C6 of position, the solid particle at the C6 of origin-location in revolving cup 24 goes to position A4 and fallen, under being entered by valve IV 21
Pipe 15 is dropped, is deposited on down-comer 15 and the intersection of horizontal tube 7, valve 21 is closed, and triple valve A16 switches to state 1, triple valve B17
State 3 is switched to, liquid phase walks main body pipeline 23 between triple valve A16 and triple valve B17, and solid particle circulates under liquid phase promotion
Return horizontal tube 7；(e) repeat steps b to step d, complete solid particle and fully circulate.
In above-mentioned technical proposal, flowed to along liquid phase, the triple valve A16 is arranged on after liquid circulation pump 13, is declined
Before pipe 15 and the intersection of horizontal tube 7；During the state 1, liquid phase walks main body pipeline 23, during the state 2, liquid phase by-passing
22。
In above-mentioned technical proposal, flowed to along liquid phase, the triple valve B17 is arranged on down-comer 15 and horizontal tube 7 crosses
After place, before the import of heat exchanger 8, or the triple valve B17 is arranged on after the lower section valve IV 20 of measuring tank 14 and valve III 19,
Before feed pot 2；During the state 3, liquid phase walks main body pipeline 23, during the state 4, liquid phase by-passing 22.
In above-mentioned technical proposal, the feed pot 2 is cylindrical tank, and mouth is circular conical surface under particle, conical taper scope
For 0.5~0.8.
In above-mentioned technical proposal, the rotary-tray 3 is arranged on column part in feed pot 2；Rotary-tray 3 is cylinder
Pallet, upper end open, bottom closing, only reserve the osculum with diameter with the revolving cup 24；The diameter of rotary-tray 3 is the same as feed pot 2
Cylindrical tube diameter, highly 0.4~0.6 times for the cylindrical tube height of feed pot 2.
In above-mentioned technical proposal, the revolving cup 24 is cylinder, and upper and lower side is open, first alignment rotation support of revolving cup 24
The open-bottom of disk 3 install, remaining revolving cup 24 in a manner of Central Symmetry be arranged on rotary-tray 3 on, the barrel diameter of revolving cup 24 according to
The diameter of rotary-tray 3 and the number of revolving cup 24 are arranged in a manner of each section of revolving cup 24 is mutually tangent according to Central Symmetry to be determined, is turned
For 24 height of cup with the height of rotary-tray 3, the number range of revolving cup 24 is 3~8.
In above-mentioned technical proposal, the measuring tank 14 is made up of transparent material, and the inwall of measuring tank 14 indicates quarter according to volume
Degree.
In above-mentioned technical proposal, the valve IV 21 is more than or equal to apart from the distance of down-comer 15 and the intersection of horizontal tube 7
100mm。
In above-mentioned technical proposal, the triple valve A16 switches to state 2, and triple valve B17 switches to state 4, IV 21 dozens, valve
Open, rotary-tray 3 rotates a lattice, and valve IV 21 is closed, and triple valve A16 switches to state 1, and triple valve B17 switches to state 3 as one
Secondary cyclic process；The time interval scope of each cyclic process is 5 seconds to 30 seconds.
In above-mentioned technical proposal, the solid particle is inert particle, refers specifically to heap density and is more than density of liquid phase, has one
Determine hardness and intensity, and the solid particle not reacted with medium in use occasion system, preferably zirconium silicate pearl, corundum ball,
Porcelain ball, alumina bead, bead, steel ball, engineering plastics, polyformaldehyde particle, polytetrafluoroethylgranule granule, handstone, the gold of chopping
Belong to the one or more in silk, glueballs, more preferably bead, alumina bead and zirconium silicate pearl.Solid particle average grain diameter is 2mm
~5mm, solid particle addition scope are 300 grams~1000 grams.
In above-mentioned technical proposal, the liquid phase fluid operated in flow rate scope is 1m/s~4m/s.
In above-mentioned technical proposal, table is come with mass of solid particles internal circulating load in measuring tank 14 in unit interval during stable operation
Levy solid particle circulating effect.Mass of solid particles internal circulating load calculation is in measuring tank 14：
Mass of solid particles internal circulating load=density of solid particles × measuring tank scale part cumulative volume × measuring tank scale is read
Number/the time.
Using technical scheme, a kind of method fully circulated by using fluid-bed heat exchanger solid particle,
Mainly include the following steps that：(a) solid particles add down-comer 15 and the intersection of horizontal tube 7, shutoff valve IV 21, switching three-way
Valve A16 is to state 1, switching three-way valve B17 to state 3；(b) solid particles are by horizontal tube 7, heat exchanger 8, liquid-solid separator
Enter revolving cup 24 after 10；(c) switching three-ways valve A16 switching three-way valve B17 to state 4, opens valve IV 21, rotation to state 2
Pallet 3 rotates a lattice, drops down onto down-comer 15 and the intersection of horizontal tube 7 under solid particle, repeats the above steps and complete solid particle
Fully circulation, achieve the preferable technique effect of the gram/minute of mass of solid particles internal circulating load 442.
Brief description of the drawings
Fig. 1 is the schematic flow sheet for the method that fluid-bed heat exchanger solid particle of the present invention fully circulates.
Fig. 2 is the triple valve state switching signal for the method that fluid-bed heat exchanger solid particle of the present invention fully circulates
Figure.
In Fig. 1,1 is charge door；2 be feed pot；3 be rotary-tray；4 be position A；5 be position B；6 be position C；7 are
Horizontal tube；8 be heat exchanger；9 be check valve；10 be liquid-solid separator；11 be particulate filter plates；12 be liquid storage groove；13 be liquid
Circulating pump；14 be measuring tank；15 be down-comer；16 be triple valve A；17 be triple valve B；18 be valve I；19 be valve II；20 be valve
Ⅲ；21 be valve IV；22 be bypass；23 be main body pipeline；24 be revolving cup.Revolving cup 24 on the link position A4 of charge door 1, feed pot
2 connection down-comers 15, down-comer 15 access horizontal tube 7, and horizontal tube 7 is connected with the lower end import of heat exchanger 8, and the outlet of heat exchanger 8 connects
Liquid-solid separator 10 is connect, liquid-solid separator 10 comes out two-way, and liquid phase enters liquid storage groove 12 after particulate filter plates 11 all the way, by
Liquid circulation pump 13 is recycled back to horizontal tube 7, and liquid phase drives solid particle to pass through triple valve A16 and triple valve B17 from main body pipeline
23 enter heat exchanger 8, or liquid phase enters heat exchanger 8 by triple valve A16 and triple valve B17 from bypass 22；Another way solid phase
Two-way is separated after into down-comer 15, enters measuring tank 14 through valve I 18 all the way, down-comer 15, another way warp are backed into through valve II 19
Valve III 20 is directly entered the revolving cup 24 on the C6 of in-position after down-comer 15.
In Fig. 2,16 be triple valve A；17 be triple valve B；22 be bypass.When triple valve B17 is arranged on down-comer and level
After pipe intersection, when before heat exchanger, A is that triple valve A16 switches to state 1 in Fig. 2, and triple valve B17 switches to state 3,
Liquid phase walks main body pipeline；B is that triple valve A16 switches to state 2 in Fig. 2, and triple valve B17 switches to state 4, liquid phase by-passing
22.After triple valve B17 is arranged on measuring tank, when before feed pot, C is that triple valve A16 switches to state 1, threeway in Fig. 2
Valve B17 switches to state 3, and liquid phase walks main body pipeline；D is that triple valve A16 switches to state 2 in Fig. 2, and triple valve B17 is switched to
State 4, liquid phase by-passing 22.
Below by embodiment and comparative example, the present invention is further elaborated, but the method for the present invention is not limited in
This.
Embodiment
With reference to embodiment, the method for further illustrating the present invention.
【Embodiment 1】
The method fully circulated using the fluid-bed heat exchanger solid particle shown in Fig. 1, fluidized applied to certain outer circulation type
Bed heat exchanger.123 heat exchanging pipes, every pipe range 1000mm are set in the fluid-bed heat exchanger, caliber is 22 × 1.5mm of Φ, pipe
Son is in equilateral triangle arrangement.Horizontal tube caliber 50mm, down-comer caliber 25mm.Triple valve B is arranged on down-comer and horizontal tube is handed over
After at remittance, before heat exchanger.Solid particle uses average grain diameter 2mm bead, and addition is 300 grams.Liquid phase is water, stream
Speed is 1m/s.Feed pot conical taper 0.5.Rotary-tray is highly 0.4 times of feed pot cylindrical tube height.In rotary-tray
Central Symmetry arrangement revolving cup 3.Valve 21 is 100mm apart from the distance of down-comer and horizontal tube intersection.Between each cyclic process
Every 5 seconds.Under the conditions of being somebody's turn to do, after stable operation, mass of solid particles internal circulating load is 357 gram/minutes.
【Embodiment 2~11】
The method fully circulated using the fluid-bed heat exchanger solid particle shown in Fig. 1, fluidized applied to certain outer circulation type
Bed heat exchanger.123 heat exchanging pipes, every pipe range 1000mm are set in the fluid-bed heat exchanger, caliber is 22 × 1.5mm of Φ, pipe
Son is in equilateral triangle arrangement.Horizontal tube caliber 50mm, down-comer caliber 25mm.Triple valve B is arranged on down-comer and horizontal tube is handed over
After at remittance, before heat exchanger.Liquid phase is water.Change solid particle type (PT), solid particle average grain diameter (PS), solid
Grain addition (PM), liquid phase flow rate (LV), feed pot conical taper (TD), rotary-tray height and feed pot cylindrical tube height
The ratio between (HR), the revolving cup number (CN) of Central Symmetry arrangement in rotary-tray, valve 21 apart from down-comer and horizontal tube intersection away from
From (H), each cyclic process time interval (TI).After stable operation, metering of solids granular mass internal circulating load (PMC).Its result
It is listed in table 1.
【Embodiment 12~22】
The method fully circulated using the fluid-bed heat exchanger solid particle shown in Fig. 1, fluidized applied to certain outer circulation type
Bed heat exchanger.123 heat exchanging pipes, every pipe range 1000mm are set in the fluid-bed heat exchanger, caliber is 22 × 1.5mm of Φ, pipe
Son is in equilateral triangle arrangement.Horizontal tube caliber 50mm, down-comer caliber 25mm.Triple valve B is arranged on the He of valve 20 below measuring tank
After valve 19, before feed pot.Liquid phase is water.Change solid particle type (PT), solid particle average grain diameter (PS), solid
Grain addition (PM), liquid phase flow rate (LV), feed pot conical taper (TD), rotary-tray height and feed pot cylindrical tube height
The ratio between (HR), the revolving cup number (CN) of Central Symmetry arrangement in rotary-tray, valve 21 apart from down-comer and horizontal tube intersection away from
From (H), each cyclic process time interval (TI).After stable operation, metering of solids granular mass internal circulating load (PMC).Its result
It is listed in table 1.
【Comparative example 1】
The method fully circulated using the fluid-bed heat exchanger solid particle shown in Fig. 1, fluidized applied to certain outer circulation type
Bed heat exchanger.123 heat exchanging pipes, every pipe range 1000mm are set in the fluid-bed heat exchanger, caliber is 22 × 1.5mm of Φ, pipe
Son is in equilateral triangle arrangement.Horizontal tube caliber 50mm, down-comer caliber 25mm.Triple valve B is arranged on down-comer and horizontal tube is handed over
After at remittance, before heat exchanger.Triple valve A is not installed, threeway is installed in former triple valve location A.Solid particle is using average grain
Footpath 2mm bead, addition are 300 grams.Liquid phase is water, flow velocity 1m/s.Feed pot conical taper 0.5.Rotary-tray is high
Spend for 0.4 times of feed pot cylindrical tube height.Central Symmetry arrangement revolving cup 3 in rotary-tray.Valve 21 apart from down-comer and
The distance of horizontal tube intersection is 100mm.Under the conditions of being somebody's turn to do, solid particle can not circulate.
【Comparative example 2】
The method fully circulated using the fluid-bed heat exchanger solid particle shown in Fig. 1, fluidized applied to certain outer circulation type
Bed heat exchanger.123 heat exchanging pipes, every pipe range 1000mm are set in the fluid-bed heat exchanger, caliber is 22 × 1.5mm of Φ, pipe
Son is in equilateral triangle arrangement.Horizontal tube caliber 50mm, down-comer caliber 25mm.Triple valve B is arranged on the He of valve 20 below measuring tank
After valve 19, before feed pot.Triple valve A is not installed, threeway is installed in former triple valve location A.Solid particle is using average grain
Footpath 2mm bead, addition are 300 grams.Liquid phase is water, flow velocity 1m/s.Feed pot conical taper 0.5.Rotary-tray is high
Spend for 0.4 times of feed pot cylindrical tube height.Central Symmetry arrangement revolving cup 3 in rotary-tray.Valve 21 apart from down-comer and
The distance of horizontal tube intersection is 100mm.Under the conditions of being somebody's turn to do, solid particle can not circulate.
【Comparative example 3】
The method fully circulated using the fluid-bed heat exchanger solid particle shown in Fig. 1, fluidized applied to certain outer circulation type
Bed heat exchanger.123 heat exchanging pipes, every pipe range 1000mm are set in the fluid-bed heat exchanger, caliber is 22 × 1.5mm of Φ, pipe
Son is in equilateral triangle arrangement.Horizontal tube caliber 50mm, down-comer caliber 25mm.Triple valve A is installed, triple valve B is not installed.Under
Threeway connection bypass is installed after drop pipe and horizontal tube intersection, before heat exchanger.Solid particle uses average grain diameter 2mm glass
Glass pearl, addition are 300 grams.Liquid phase is water, flow velocity 1m/s.Feed pot conical taper 0.5.Rotary-tray is highly feed pot
0.4 times of cylindrical tube height.Central Symmetry arrangement revolving cup 3 in rotary-tray.Valve 21 crosses apart from down-comer and horizontal tube
The distance at place is 100mm.Under the conditions of being somebody's turn to do, solid particle can not circulate.
【Comparative example 4】
The method fully circulated using the fluid-bed heat exchanger solid particle shown in Fig. 1, fluidized applied to certain outer circulation type
Bed heat exchanger.123 heat exchanging pipes, every pipe range 1000mm are set in the fluid-bed heat exchanger, caliber is 22 × 1.5mm of Φ, pipe
Son is in equilateral triangle arrangement.Horizontal tube caliber 50mm, down-comer caliber 25mm.Triple valve A is installed, triple valve B is not installed, counted
Threeway connection bypass is installed after measuring tank lower section valve 20 and valve 19, before feed pot.Solid particle uses average grain diameter 2mm glass
Glass pearl, addition are 300 grams.Liquid phase is water, flow velocity 1m/s.Feed pot conical taper 0.5.Rotary-tray is highly feed pot
0.4 times of cylindrical tube height.Central Symmetry arrangement revolving cup 3 in rotary-tray.Valve 21 crosses apart from down-comer and horizontal tube
The distance at place is 100mm.Under the conditions of being somebody's turn to do, solid particle can not circulate.
【Comparative example 5~10】
The method fully circulated using the fluid-bed heat exchanger solid particle shown in Fig. 1, fluidized applied to certain outer circulation type
Bed heat exchanger.123 heat exchanging pipes, every pipe range 1000mm are set in the fluid-bed heat exchanger, caliber is 22 × 1.5mm of Φ, pipe
Son is in equilateral triangle arrangement.Horizontal tube caliber 50mm, down-comer caliber 25mm.Triple valve A is not installed, triple valve B is not installed, no
Bypass is set.Nozzle of the installation along liquid phase flow direction undergauge between down-comer and horizontal tube.Change undergauge jet size bore
Than with undergauge nozzle mounting position.Solid particle uses average grain diameter 2mm bead, and addition is 300 grams.Liquid phase is water,
Flow velocity is 1m/s.Feed pot conical taper 0.5.Rotary-tray is highly 0.4 times of feed pot cylindrical tube height.Rotary-tray
Interior Central Symmetry arrangement revolving cup 3.Valve 21 is 100mm apart from the distance of down-comer and horizontal tube intersection.After stable operation, meter
Measure mass of solid particles internal circulating load.Its result is listed in table 2.
【Comparative example 11】
The method fully circulated using the fluid-bed heat exchanger solid particle shown in Fig. 1, fluidized applied to certain outer circulation type
Bed heat exchanger.123 heat exchanging pipes, every pipe range 1000mm are set in the fluid-bed heat exchanger, caliber is 22 × 1.5mm of Φ, pipe
Son is in equilateral triangle arrangement.Horizontal tube caliber 50mm, down-comer caliber 25mm.Triple valve A is not installed, triple valve B is not installed, no
Bypass is set.Solid particle uses average grain diameter 2mm bead, and addition is 300 grams.Liquid phase is water, flow velocity 1m/s.Add
Batch can conical taper 0.5.Rotary-tray is highly 0.4 times of feed pot cylindrical tube height.Central Symmetry is arranged in rotary-tray
Cloth revolving cup 3.Valve 21 is 100mm apart from the distance of down-comer and horizontal tube intersection.Under the conditions of being somebody's turn to do, solid particle can not follow
Ring.
Table 1
Table 2
Claims (10)
1. a kind of method that outer circulation type fluid-bed heat exchanger solid particle fully circulates, is mainly included the following steps that：
(a) solid particles are added to the revolving cup (24) of position A (4) on rotary-tray (3) in feed pot (2) by charge door (1)
In；Position A (4) washes in a pan bottom sky, and valve (21) is opened, and solid particle enters down-comer (15) by position A (4), is deposited on decline
(15) and horizontal tube (7) intersection is managed, valve IV (21) is closed, and triple valve A (16) switches to state 1, and triple valve B (17) is switched to
State 3, liquid phase walks main body pipeline (23) between triple valve A (16) and triple valve B (17), opens liquid circulation pump (13)；
(b) solid particles under liquid phase promotion enter heat exchanger (8) by horizontal tube (7), after being come out from heat exchanger (8) top
Entering liquid-solid separator (10) by check valve (9), liquid phase enters liquid storage groove (12) after being overflowed above particulate filter plates (11),
Horizontal tube (7) is returned to by liquid circulation pump (13)；
(c) when is not measured, valve I (18), valve II (19) are closed, and valve III (20) is opened, and solid particle, which enters in feed pot (2), to be revolved
Ask on disk (3) in position C (6) revolving cup (24), triple valve A (16) switches to state 2, and triple valve B (17) switches to state
4, the liquid phase by-passing (22) between triple valve A (16) and triple valve B (17), valve IV (21) is opened, rotary-tray (3) rotation one
Lattice, position C (6) is set to be rotated in place A (4) place, position A (4) is rotated in place B (5) place, and position B (5) is rotated in place C (6)
Locate, the solid particle in origin-location C (6) place's revolving cup (24) goes to position A (4) and fallen, and is entered by valve IV (21) and declined
To manage (15), be deposited on down-comer (15) and horizontal tube (7) intersection, valve IV (21) is closed, and triple valve A (16) switches to state 1,
Triple valve B (17) switches to state 3, and liquid phase walks main body pipeline (23) between triple valve A (16) and triple valve B (17), in liquid phase
Lower solid particle is promoted to be recycled back to horizontal tube (7)；
(d) when is measured, valve I (18) is opened, and valve II (19), valve III (20) are closed, and solid particle enters measuring tank (14), valve I
(18) close, valve III (20) is opened, and solid particle is measured, and valve II (19) is opened after the completion of metering, and solid particle, which enters, to be added
In batch can (2) on rotary-tray (3) in position C (6) revolving cup (24), valve II (19) is closed, and triple valve A (16) switches to state
2, triple valve B (17) switches to state 4, liquid phase by-passing (22), valve IV (21) between triple valve A (16) and triple valve B (17)
To open, rotary-tray (3) rotates a lattice, position C (6) is rotated in place A (4) place, and position A (4) is rotated in place B (5) place,
Position B (5) is rotated in place C (6) place, the solid particle in origin-location C (6) place's revolving cup (24) go to position A (4) and under
Falling, down-comer (15) is entered by valve IV (21), be deposited on down-comer (15) and horizontal tube (7) intersection, valve IV (21) is closed,
Triple valve A (16) switches to state 1, and triple valve B (17) switches to state 3, in triple valve A (16) and triple valve B (17) interstitial fluid
Main body pipeline (23) is mutually walked, solid particle is recycled back to horizontal tube (7) under liquid phase promotion；
(e) repeat steps b to step d, complete solid particle and fully circulate.
2. the method that outer circulation type fluid-bed heat exchanger solid particle according to claim 1 fully circulates, its feature exist
In, flowed to along liquid phase, the triple valve A (16) be arranged on liquid circulation pump (13) after, down-comer (15) and horizontal tube (7)
Before intersection；During the state 1, liquid phase walks main body pipeline (23), during the state 2, liquid phase by-passing (22).
3. the method that outer circulation type fluid-bed heat exchanger solid particle according to claim 1 fully circulates, its feature exist
In being flowed to along liquid phase, the triple valve B (17) is arranged on after down-comer (15) and horizontal tube (7) intersection, heat exchanger
(8) before import, or the triple valve B (17) is arranged on after measuring tank (14) lower section valve IV (20) and valve III (19), is added
Before batch can (2)；During the state 3, liquid phase walks main body pipeline (23), during the state 4, liquid phase by-passing (22).
4. the method that outer circulation type fluid-bed heat exchanger solid particle according to claim 1 fully circulates, its feature exist
It is cylindrical tank in, the feed pot (2), mouth is circular conical surface under particle, and conical taper scope is 0.5~0.8.
5. the method that outer circulation type fluid-bed heat exchanger solid particle according to claim 1 fully circulates, its feature exist
In the rotary-tray (3) is arranged on column part in feed pot (2)；Rotary-tray (3) is cylindrical pallet, upper end open,
Bottom closing, only reserves the osculum with diameter with the revolving cup (24)；Rotary-tray (3) diameter same feed pot (2) cylindrical tube
Diameter, highly 0.4~0.6 times for feed pot (2) cylindrical tube height.
6. the method that outer circulation type fluid-bed heat exchanger solid particle according to claim 1 fully circulates, its feature exist
In the revolving cup (24) is cylinder, and upper and lower side is open, first revolving cup (24) alignment rotary-tray (3) open-bottom peace
Dress, remaining revolving cup (24) are arranged on rotary-tray (3) in a manner of Central Symmetry, and revolving cup (24) barrel diameter is according to rotary-tray
(3) diameter and revolving cup (24) number are arranged in a manner of each revolving cup (24) section is mutually tangent according to Central Symmetry determines, revolving cup
(24) highly same rotary-tray (3) height, revolving cup (24) number range is 3~8.
7. the method that outer circulation type fluid-bed heat exchanger solid particle according to claim 1 fully circulates, its feature exist
In the measuring tank (14) is made up of transparent material, and measuring tank (14) inwall indicates scale according to volume；The valve IV (21) away from
From being more than or equal to 100mm with a distance from down-comer (15) and horizontal tube (7) intersection.
8. the method that outer circulation type fluid-bed heat exchanger solid particle according to claim 1 fully circulates, its feature exist
In the triple valve A (16) switches to state 2, and triple valve B (17) switches to state 4, and valve IV (21) is opened, rotary-tray (3)
A lattice are rotated, valve IV (21) is closed, and triple valve A (16) switches to state 1, and it is one cycle that triple valve B (17), which switches to state 3,
Process；The time interval scope of each cyclic process is 5 seconds to 30 seconds.
9. the method that outer circulation type fluid-bed heat exchanger solid particle according to claim 1 fully circulates, its feature exist
In the solid particle is that heap density is more than density of liquid phase, and the inertia not reacted with medium in use occasion system
Grain, solid particle average grain diameter are 2mm~5mm, and solid particle addition scope is 300 grams~1000 grams.
10. the method that outer circulation type fluid-bed heat exchanger solid particle according to claim 1 fully circulates, its feature exist
In the liquid phase fluid operated in flow rate scope is 1m/s~4m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610708777.2A CN107764107B (en) | 2016-08-23 | 2016-08-23 | The method that outer circulation type fluid-bed heat exchanger solid particle sufficiently recycles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610708777.2A CN107764107B (en) | 2016-08-23 | 2016-08-23 | The method that outer circulation type fluid-bed heat exchanger solid particle sufficiently recycles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107764107A true CN107764107A (en) | 2018-03-06 |
| CN107764107B CN107764107B (en) | 2019-05-14 |
Family
ID=61264232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610708777.2A Active CN107764107B (en) | 2016-08-23 | 2016-08-23 | The method that outer circulation type fluid-bed heat exchanger solid particle sufficiently recycles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107764107B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109748253A (en) * | 2018-12-19 | 2019-05-14 | 安徽节源环保科技有限公司 | A method of improving wet-process phosphoric acid concentration heat exchanger fouling |
| CN114485224A (en) * | 2020-10-23 | 2022-05-13 | 中国石油化工股份有限公司 | Continuous recycling method for particles of self-cleaning fluidized bed heat exchanger |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55123989A (en) * | 1979-03-19 | 1980-09-24 | Gadelius Kk | Rotary type fluidized-bed heat exchanger |
| CN86102930A (en) * | 1985-04-24 | 1986-10-22 | 法国煤矿 | Fluidised bed heat exchange apparatus |
| DE69400919T2 (en) * | 1993-04-20 | 1997-05-22 | Bronswerk Heat Transfer Bv | DEVICE FOR CARRYING OUT PHYSICAL AND / OR CHEMICAL PROCESSES, FOR EXAMPLE A HEAT EXCHANGER |
| CN101097123A (en) * | 2007-07-06 | 2008-01-02 | 大连理工大学 | Process for using DC water source cold-heat power supply |
| CN103322834A (en) * | 2013-06-26 | 2013-09-25 | 哈尔滨工业大学 | Multi-tube-bundle jet-fluidized anti-scale shell and tube heat exchanger using sewage and refrigerant |
-
2016
- 2016-08-23 CN CN201610708777.2A patent/CN107764107B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55123989A (en) * | 1979-03-19 | 1980-09-24 | Gadelius Kk | Rotary type fluidized-bed heat exchanger |
| CN86102930A (en) * | 1985-04-24 | 1986-10-22 | 法国煤矿 | Fluidised bed heat exchange apparatus |
| DE69400919T2 (en) * | 1993-04-20 | 1997-05-22 | Bronswerk Heat Transfer Bv | DEVICE FOR CARRYING OUT PHYSICAL AND / OR CHEMICAL PROCESSES, FOR EXAMPLE A HEAT EXCHANGER |
| CN101097123A (en) * | 2007-07-06 | 2008-01-02 | 大连理工大学 | Process for using DC water source cold-heat power supply |
| CN103322834A (en) * | 2013-06-26 | 2013-09-25 | 哈尔滨工业大学 | Multi-tube-bundle jet-fluidized anti-scale shell and tube heat exchanger using sewage and refrigerant |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109748253A (en) * | 2018-12-19 | 2019-05-14 | 安徽节源环保科技有限公司 | A method of improving wet-process phosphoric acid concentration heat exchanger fouling |
| CN114485224A (en) * | 2020-10-23 | 2022-05-13 | 中国石油化工股份有限公司 | Continuous recycling method for particles of self-cleaning fluidized bed heat exchanger |
| CN114485224B (en) * | 2020-10-23 | 2024-05-03 | 中国石油化工股份有限公司 | Self-cleaning fluidized bed heat exchanger particle continuous circulation recovery method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107764107B (en) | 2019-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20220009423A (en) | Filtration and concentration device and concentration method of small ternary precursor particles with stirring function | |
| CN107764110B (en) | The outer circulation type fluid-bed heat exchanger that solid particle sufficiently recycles | |
| CN106595351B (en) | Anti- scale removal fluid-bed heat exchanger | |
| CN107764109B (en) | Automatically cleaning fluid-bed heat exchanger | |
| CN107764107B (en) | The method that outer circulation type fluid-bed heat exchanger solid particle sufficiently recycles | |
| CN203577796U (en) | Circular reaction device of spherical cobalt hydroxide | |
| CN109621519A (en) | A kind of sewage filter | |
| CN104891707B (en) | A kind of processing means for dyeing fabric water | |
| CN201020320Y (en) | Filter with sedimentation pipe | |
| CN101734771B (en) | Settling separation device and method | |
| CN201036719Y (en) | Powder resin covering filter | |
| CN202569669U (en) | Depositing tank for 1, 3-dimedone solid-liquid separation | |
| CN102336849A (en) | Olefin polymerization reactor | |
| CN106595350B (en) | Solid Circulating Fluidized Bed Heat Exchanger | |
| CN207330478U (en) | A kind of system for fluidizing state subregion iron powder processing waste water | |
| CN106595349B (en) | Liquid phase heat exchange fluid-bed heat exchanger | |
| CN212396763U (en) | Resin ectopic regeneration system | |
| CN212370132U (en) | Reation kettle flow control system | |
| CN205042389U (en) | Glue production apparatus | |
| CN209276262U (en) | Energy saving microfiltration systems | |
| CN108002497A (en) | From the tower High-efficient Water processing equipment that flows back | |
| CN106268515B (en) | Separator and supercritical reaction system with the separator | |
| CN107764108B (en) | The fluid-bed heat exchanger of solid particle Efficient Cycle | |
| CN207981404U (en) | A kind of silicon carbide overflow tank | |
| CN202129140U (en) | Coal slime water classified concentration device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |