CN109225115A - A kind of impact flow reactor of adjustable nozzle spacing - Google Patents
A kind of impact flow reactor of adjustable nozzle spacing Download PDFInfo
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- CN109225115A CN109225115A CN201811081666.9A CN201811081666A CN109225115A CN 109225115 A CN109225115 A CN 109225115A CN 201811081666 A CN201811081666 A CN 201811081666A CN 109225115 A CN109225115 A CN 109225115A
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- 239000012530 fluid Substances 0.000 claims abstract description 20
- 230000001936 parietal effect Effects 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 3
- 238000012905 input function Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 15
- 239000000126 substance Substances 0.000 abstract description 3
- 238000009527 percussion Methods 0.000 description 9
- 239000012071 phase Substances 0.000 description 9
- 230000010355 oscillation Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/26—Nozzle-type reactors, i.e. the distribution of the initial reactants within the reactor is effected by their introduction or injection through nozzles
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
A kind of impact flow reactor of adjustable nozzle spacing, is related to a kind of chemical reactor, and reactor includes upper end ellipsoidal head (14), chamber (13), lower end conical head (10) and console (11).Chamber sidewall is equipped with screw thread slideway (2) and small-sized variable-frequency motor (7).Accelerating tube (4) is passed through slideway (2) inside and is connected with thread forms and sealed, and accelerating tube (4) one end device nozzle is placed in chamber (13) inside, and the other end is connect by hose (12) with fluid reservoir (9).Variable-frequency motor (7) is placed in below spiral slide (2), variable-frequency motor (7) front end connection gear 1(3) and engaged with accelerating tube (1) parietal tooth wheel.Variable-frequency motor (7) is controlled by console (11).The present apparatus realizes the direct setting of the axial distance of nozzle, continuously adjusts and controls two accelerating tubes and move axially to form spurious pulse with certain frequency.Reach best mixed effect, meanwhile, adjustable parameter is more, and function more comprehensively, while reducing cost.
Description
Technical field
The present invention relates to a kind of chemical reactors, more particularly to a kind of impact flow reactor of adjustable nozzle spacing.
Background technique
Percussion flow (Impinging Stream) is a kind of important mixed intensified technology of fluid, to the chemical industry of diffusion control
Process is particularly effective.Percussion flow is more efficient than traditional method, energy consumption is lower, by years development, the continuous phase of percussion flow
Liquid phase is extended to by gas phase, thus the microcosmic mixed advantage of liquid phase is strengthened in more prominent percussion flow.Percussion flow in recent years is dry
It is quickly got in the units operations such as dry, gasification, burning, catalysis reaction, absorption, extraction and nanoparticle preparation and industrial process
Successful application, shows huge potentiality and application prospect.
Percussion flow is to realize a kind of important method quickly mixed, and impact flow reactor is exactly to flow through for realizing shock
The device of journey.Reaction process in impact flow reactor is to flow, hit in opposite directions after two strands of jet streams leave nozzle, in the reactor
Between formed a high turbulence impingement region, axial velocity goes to zero, and switchs to Radial Flow.Due to generating one after impinging jet
A high turbulence impingement region can be effectively reduced the external drag in transmittance process, strengthen Mass and heat transfer, promote mixing.
However, existing impact flow reactor is mostly by disassembly replacement nozzle to change injector spacing to reach more preferable
Mixed effect, however most of nozzles are mostly made with certain size, and quantity is big, and Dimension Types are few, and precision is low, for high viscosity flow
Body mixes or prepares nano particle as microreactor, and since the jet stream Reynolds number of fluid is lower, the mixed effect of fluid is very poor,
It chemically reacts very slow, it is also desirable to which a kind of reliable device further promotes the facilitation for mixing and chemically reacting for fluid.
Chinese patent CN103611487A mentions a kind of impact flow reactor.This impact flow reactor passes through two ratios of control
The flow being fed to two nozzles is adjusted to be fluctuated according to predetermined waveform respectively by example valve, causes the period of the striking face of percussion flow
Oscillation, to improve the facilitation that impact flow reactor mixes fluid and chemically reacts.But structure is complex, increases
Cost, while adjustable parameter is single, function is not comprehensive enough.Such as: impact flow reactor jet size type is few, no continuous variable
Axial spacing, precision scale is low, and production number of components is big and high viscosity fluid mixes and the facilitation of chemical reaction is inadequate
Obviously, it is difficult to obtain ideal mixed effect etc.；For example, for microreactor, since the flow velocity of fluid is lower, viscosity compared with
Greatly, chemical reaction is very slow, causes the mixed effect of fluid very poor, meanwhile, axial distance cannot continuously change, caused nozzle system
It is big to make quantity, dimensional accuracy is low and high viscosity, low flow velocity mixing effect of fluid are not ideal enough.
Percussion flow, which has proved to be, strengthens one of alternate Mass and heat transfer most efficient method, but is unlikely to be a kind of omnipotent
Tool, because it also has the limitation of itself.Occurrence condition requires height, and the subtle change of condition may cause shock and stay
The offset of point.
Summary of the invention
The purpose of the present invention is to provide a kind of impact flow reactor of adjustable nozzle spacing, the present invention is driven by motor
Transmission mechanism makes nozzle by the waveform or frequency movement of setting, so as to cause the rectilinear oscillation of striking face, while reaching adjusting spray
The purpose of mouth spacing, to reach best mixed effect.Compared with prior art, adjustable parameter is more, function more comprehensively, together
When reduce cost.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of impact flow reactor of adjustable nozzle spacing, the reactor include upper end ellipsoidal head, chamber, lower end toper
End socket and console；Chamber sidewall is equipped with screw thread slideway and small-sized variable-frequency motor；Accelerating tube passes through inside slideway and with spiral shell
The connection sealing of line form, accelerating tube one end installing nozzle are placed in chamber interior, and the other end is connect by hose with fluid reservoir；Frequency conversion
Motor is placed in below spiral slide, and variable-frequency motor front end connection gear is simultaneously engaged with accelerating tube parietal tooth wheel；Variable-frequency motor circuit
Connect console；Chamber sidewall is equipped with screw thread slideway, and accelerating tube is passed through inside slideway and connected with thread forms and sealed；Accelerating tube
Screw thread and gear are provided on tube wall；Chamber sidewall is installed with small-sized variable-frequency motor, and small-sized variable-frequency motor and console connect
It connects, input function waveform or frequency, forms spurious pulse；It is recommended to use sine wave, the shape or frequency of application are identical, are phase
Difference is π and phase difference is not the integral multiple of 2 π；This reactor be suitable for it is low, in, the impinging stream reaction of high reynolds number, specification according to
Need production.
A kind of impact flow reactor of adjustable nozzle spacing, the reach of the screw thread slideway are 7cm, screw pitch
For 1mm.
The diameter of a kind of impact flow reactor of adjustable nozzle spacing, the gear is 10cm, and modulus is
0.1, with a thickness of 1cm.
A kind of impact flow reactor of adjustable nozzle spacing, the small-sized variable-frequency motor fore device have gear simultaneously
It is engaged with tube wall gear is accelerated with 1:10 ratio.
A kind of impact flow reactor of the adjustable nozzle spacing, the tube wall gear diameter be 1cm, modulus 0.1,
Gear length is 7cm.
A kind of impact flow reactor of adjustable nozzle spacing, the adjustable length range of injector spacing are 0-
5cm；Continuously adjustable can also directly be set to occurrence.
The advantages and effects of the present invention are:
1. being equipped with degree of mixing in impact flow reactor chamber of the present invention detects original part, real-time monitoring, and will test result and feed back to
Console, console is shown as a result, artificial adjust or continuously adjust nozzle to variable-frequency motor input frequency control variable-frequency motor
Axial distance.
2. the present invention controls accelerating tube formation spurious pulse by inputting frequency in variable-frequency motor to reach best mixing effect
Fruit.Input frequency is identical or has phase difference, has periodically.
3. apparatus of the present invention are because of the high transmission ratio of gear and the adjustment flexible modulation accelerating tube axis to variable-frequency motor revolving speed
To elongation or the distance shortened, it is precisely controlled, it is easy to operate, it continuously adjusts, is convenient for measuring and striking face stationary point under momentum is waited to exist
Stability and oscillating characteristic under different spray nozzles spacing.Reach better mixed effect.It avoids making a large amount of nozzle and tune
The time is saved, is used manpower and material resources sparingly.
4. maximum feature of the invention is exactly that the direct setting of the axial distance of nozzle may be implemented, continuously adjusts and control
Two accelerating tubes are made to move axially to form spurious pulse with certain frequency.Solving axial distance and cannot continuously changing causes
Nozzle production quantity it is big, dimensional accuracy is low and high viscosity, the dissatisfactory defect of low flow velocity mixing effect of fluid.
Detailed description of the invention
Fig. 1 is impact flow reactor structural schematic diagram；
Fig. 2 is impact flow reactor accelerating tube and nozzle arrangements schematic diagram.
In figure: 1- nozzle, 2- spiral slide, 3- gear, 4- accelerating tube, 5- electromagnetic flowmeter, 6- gear 2,7- frequency conversion
Motor, 8- detecting element, 9- fluid reservoir, 10- conical head, 11- console, 12- hose, 13- chamber, 14- ellipsoidal head,
15- screw thread.
Specific embodiment
The present invention is described in detail for illustrated embodiment with reference to the accompanying drawing.
A kind of impact flow reactor of the present invention, including upper end ellipsoidal head, chamber, lower end conical head and control
Platform, chamber sidewall are equipped with screw thread slideway and small-sized variable-frequency motor.Accelerating tube is passed through inside slideway and is connected with thread forms close
Envelope, accelerating tube one end device nozzle are placed in chamber interior, and the other end is connect by hose with fluid reservoir.Variable-frequency motor is placed in spiral
Below slideway, variable-frequency motor front end connection gear is simultaneously engaged with accelerating tube parietal tooth wheel.Variable-frequency motor is controlled by console.Accelerating tube
And variable-frequency motor, the axial spacing size of adjustable nozzle and mobile according to certain period frequency.Accelerating tube is adjustable
The distance range of section is 1-5cm.Continuously adjustable can also directly be set to occurrence.Variable-frequency motor is equipped with below spiral slide,
Accelerating tube can be driven to adjust the axial spacing of nozzle.Accelerating tube is placed in spiral slide, is connected with thread forms, is guaranteed close
Envelope.Percussion flow under given conditions can accidental striking face offset oscillator, while degree of oscillation is weaker is also unable to control.The present invention
Impact flow reactor changes the axial week of accelerating tube by variable-frequency motor according to function waveform or the frequency operation of some cycles
Phase movement forms spurious pulse, and the speed that fluid reaches center can change, and striking face is made to have periodic offset oscillator,
It is equivalent to control the speed that two fluids reaches center, and the fluctuation of the speed of material jet stream will cause two nozzles
Striking face and the fluctuating change for hitting stationary point.The striking face of two strands of jet streams can generate stronger period migration oscillation.And
And since the rectilinear oscillation of striking face is generated by the fluctuation of material speed, by adjusting the letter inputted to variable-frequency motor
Number certain control is carried out come the offset oscillator to striking face.
Waveform of various shapes is applicable in the present invention, it is recommended to use sine wave.The function that two variable-frequency motors apply
Waveform or frequency are identical, can also be that phase difference is π and phase difference is not the integral multiple of 2 π.
In the identical situation of other conditions, the shock face movement speed that phase difference generates under conditions of being π is maximum, and efficiency is most
It is high.
The frequency for adjusting variable-frequency motor input can generate big in the case where low-frequency oscillation in the oscillation of striking face
Vortex is conducive to strengthen micromixing effect, can produce small scale vortex in the case where the higher-order of oscillation, be conducive to strengthen microcosmic
Mixed effect.
Embodiment 1
As shown in Figure 1, a kind of impact flow reactor, including upper end ellipsoidal head 14, chamber 13, lower end conical head 10 and
Console 11.Chamber sidewall is equipped with screw thread slideway 2 and small-sized variable-frequency motor 7.Accelerating tube 4 passes through 2 inside of slideway and with screw thread
Form connection sealing, 4 one end device nozzle of accelerating tube are placed in inside chamber 13, and the other end is connect by hose 12 with fluid reservoir 9.
Variable-frequency motor 7 is placed in 2 lower section of spiral slide, and 7 front end of variable-frequency motor connection gear 3 is simultaneously engaged with 1 parietal tooth wheel of accelerating tube.Frequency conversion
Motor 7 is controlled by console 11.
When work, two fluids from fluid reservoir 9 via hose 12 in 13 inner impact of chamber, detecting element 8 believes degree of mixing
It number is sent to console 11, console 11 can deliver a signal to variable-frequency motor 7 according to result, and variable-frequency motor 7 passes through 3 He of gear
Gear 6 can adjust between nozzle 1 spacing either automatically or manually to reach best mixing effect.For high viscosity, low flow velocity
Liquid can be formed by inputting certain function or frequency (recommending sine wave) control accelerating tube movement to variable-frequency motor 7
Spurious pulse causes the offset of striking face to shake and promotes microcosmic mixed effect.
Claims (6)
1. a kind of impact flow reactor of adjustable nozzle spacing, which is characterized in that the reactor includes upper end ellipsoidal head
(14), chamber (13), lower end conical head (10) and console (11)；Chamber sidewall is equipped with screw thread slideway (2) and small-sized
Variable-frequency motor (7)；Accelerating tube (4) is passed through slideway (2) inside and is connected with thread forms and sealed, the installing spray of accelerating tube (4) one end
Mouth is placed in chamber (13) inside, and the other end is connect by hose (12) with fluid reservoir (9)；Variable-frequency motor (7) is placed in spiral slide
(2) lower section, variable-frequency motor (7) front end connection gear (3) are simultaneously engaged with accelerating tube (1) parietal tooth wheel；Variable-frequency motor (7) circuit connects
Connect console (11)；Chamber sidewall is equipped with screw thread slideway (2), and accelerating tube (4) is passed through inside slideway and connected with thread forms close
Envelope；Screw thread and gear (3) are provided on accelerating tube (4) tube wall；Chamber (13) side wall is installed with small-sized variable-frequency motor (7),
Small-sized variable-frequency motor (7) is connect with console (11), input function waveform or frequency, forms spurious pulse；It is recommended to use sine
Wave, the shape or frequency of application are identical, are that phase difference is π and phase difference is not the integral multiple of 2 π；This reactor be suitable for it is low, in,
The impinging stream reaction of high reynolds number, specification make as needed.
2. a kind of impact flow reactor of adjustable nozzle spacing according to claim 1, which is characterized in that the screw thread is sliding
The reach in road (2) is 7cm, screw pitch 1mm.
3. a kind of impact flow reactor of adjustable nozzle spacing according to claim 1, which is characterized in that the gear
(3) diameter is 10cm, modulus 0.1, with a thickness of 1cm.
4. a kind of impact flow reactor of adjustable nozzle spacing according to claim 1, which is characterized in that the small-sized change
Frequency motor (7) fore device is had gear (6) and is engaged with accelerating tube (4) tube wall gear with 1:10 ratio.
5. a kind of impact flow reactor of adjustable nozzle spacing according to claim 4, which is characterized in that the tube wall tooth
Wheel diameter is 1cm, and modulus 0.1, gear length is 7cm.
6. a kind of impact flow reactor of adjustable nozzle spacing according to claim 1, which is characterized in that between the nozzle
It is 0-5cm away from adjustable length range；Continuously adjustable can also directly be set to occurrence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811081666.9A CN109225115B (en) | 2018-09-17 | 2018-09-17 | Impinging stream reactor with adjustable nozzle spacing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811081666.9A CN109225115B (en) | 2018-09-17 | 2018-09-17 | Impinging stream reactor with adjustable nozzle spacing |
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| CN109225115A true CN109225115A (en) | 2019-01-18 |
| CN109225115B CN109225115B (en) | 2024-04-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109224512A (en) * | 2018-09-17 | 2019-01-18 | 沈阳化工大学 | A kind of shock extraction equipment and its extracting process |
| CN110542490A (en) * | 2019-09-18 | 2019-12-06 | 昆明理工大学 | non-isothermal micro-impinging stream reactor testing method and device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109224512A (en) * | 2018-09-17 | 2019-01-18 | 沈阳化工大学 | A kind of shock extraction equipment and its extracting process |
| CN109224512B (en) * | 2018-09-17 | 2024-03-22 | 沈阳化工大学 | Impact extraction device and extraction method thereof |
| CN110542490A (en) * | 2019-09-18 | 2019-12-06 | 昆明理工大学 | non-isothermal micro-impinging stream reactor testing method and device |
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| CN109225115B (en) | 2024-04-16 |
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