CN104607131A - Continuous flow rotating shaft reactor and application thereof - Google Patents

Continuous flow rotating shaft reactor and application thereof Download PDF

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Publication number
CN104607131A
CN104607131A CN201310542394.9A CN201310542394A CN104607131A CN 104607131 A CN104607131 A CN 104607131A CN 201310542394 A CN201310542394 A CN 201310542394A CN 104607131 A CN104607131 A CN 104607131A
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China
Prior art keywords
rotating shaft
reactor
continuous flow
chuck
liquid
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Application number
CN201310542394.9A
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Chinese (zh)
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CN104607131B (en
Inventor
陈建峰
桑乐
初广文
罗勇
邹海魁
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Beijing University of Chemical Technology
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Beijing University of Chemical Technology
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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
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
    • 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
    • B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
    • 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
    • B01J14/00—Chemical processes in general for reacting liquids with liquids; Apparatus specially adapted therefor
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
    • B01J8/10—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles moved by stirrers or by rotary drums or rotary receptacles or endless belts
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00796—Details of the reactor or of the particulate material
    • B01J2208/00823—Mixing elements
    • B01J2208/00858—Moving elements
    • B01J2208/00867—Moving elements inside the bed, e.g. rotary mixer
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18—Details relating to the spatial orientation of the reactor
    • B01J2219/182—Details relating to the spatial orientation of the reactor horizontal

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The invention discloses a continuous flow rotating shaft reactor, which comprises a power apparatus and a reactor body; the reactor body comprises a casing, a jacket and a rotating shaft, the jacket is arranged in the casing, the jacket is capable of encircling the rotating shaft, a chamber between the rotating shaft and the jacket is a reaction space; at least two material inlets and at least a products outlet which are communicated to the reaction space are arranged on the casing; at least a thermal medium inlet and at least a thermal medium outlet which are communicated to the jacket are arranged on the casing; and the rotating shaft is connected to the output shaft of the power apparatus. The continuous flow rotating shaft reactor can realize accurate control of temperature, full mixing and stirring of materials; and has the advantages of uniform mixing, high product purity, large yield, strong versatility, and simple structure and operation, and is especially suitable for a multiphase flow (gas-liquid, liquid-liquid, and gas-liquid-solid)reaction system of materials with characteristics of large ratio, large viscosity, easy precipitation and long standing time.

Description

A kind of Continuous Flow rotating shaft reactor and application thereof
Technical field
The present invention relates to a kind of Continuous Flow rotating shaft reactor and application thereof, especially relate to a kind of can accurate temperature controlling and fully mixing and the rotating shaft reactor stirred and the application in multiphase flow reaction (gas-liquid, liquid liquid, gas-liquid-solid) system thereof.Be particularly suitable for than great, viscosity precipitates greatly, easily, need to react compared with the multiphase flow of long residence time, belongs to supergravity technical field.
Background technology
High-gravity technology is than terrestrial gravitation acceleration (9.8m/s 2) a kind of high and new technology technology of producing under much bigger environment.RPB (i.e. hypergravity machine, RPB) is the nucleus equipment realizing high-gravity technology, is also novel strengthening interphase mass transfer and the equipment of heterogeneous mixing.As far back as nineteen eighty-three, RPB is successfully applied on distillation operation by Empire Chemical Engineering Industrial Co., Ltd of Britain.Have passed through the development of 30 years, high-gravity technology expands to numerous areas, and its progress is at home and abroad rapid, has been successfully applied to the processes such as oil-field flooding deoxidation, boiler water deoxidation, nano-powder preparation, flue gas desulfurization, biooxidation reactions and dedusting.
In hypergravity equipment, the gas-liquid of material, liquid liquid or gas solid transfer carry out several decupling in the super gravity field of gravity, its material infinitesimal is under super gravity field, be torn into micron or nanoscale, greatly strengthen mass transfer and mixed process, make its mass transfer ability be at least three times of tank reactor, mixed is at least seven times of tank reactor.
In modern chemical industry is produced, be blended in the process of chemical products and play an important role, mixing apparatus also emerges in an endless stream, but usually can be classified as two large classes: 1, complete mixing by the mechanical part moved, and such as mechanical stirring kettle, rotor stir; 2, the mixing completed by stationary mechanism part, such as static mixer, injection, bubbling bed, tower tray.Wherein stirred-tank reactor remains the most general and mixing apparatus easily of chemical plant application, and stirred-tank reactor is applicable to the course of reaction of various physical property (as viscosity, density) and various operating condition (as temperature, pressure).The stirred-tank reactor of industrial application has hundreds and thousands of kinds.The selective dependency of agitator model and size, rotating speed and method of operating operates the result that will produce in often kind.The agitator of major diameter, low speed is preferably selected in such as some operation; And another operation will run minor diameter, fast oar, cause the agitator needing to change different model when producing different product like this, cause complex operation, poor universality.In the process of some food or medicine, usually need to add some in mother liquor to add materials, then agitating heating is carried out, in whole technical process, reinforced, to stir and temperature has strict controling parameters, it is high to there is cost in existing equipment, controls the problems such as complicated, be not suitable for small processing enterprise to use, the enterprise that particularly operationlocation is limited uses.In addition, form in product temperature-fall period and also can change, may impact the purity of product, granular size and distribution etc. like this.Most stirred tank can not be even by the material stirring greatly, easily precipitated than great, viscosity, can not make the abundant hybrid reaction of material, thus not reach production requirement.
Summary of the invention
First technical problem that the present invention will solve is to provide a kind of Continuous Flow rotating shaft reactor.This reactor can be even by the material stirring greatly, easily precipitated than great, viscosity, can make the abundant hybrid reaction of material, thus reach production requirement.
Second technical problem that the present invention will solve is to provide the application of a kind of above-mentioned Continuous Flow rotating shaft reactor in multiphase flow course of reaction.
For solving above-mentioned first technical problem, a kind of Continuous Flow rotating shaft of the present invention reactor, comprises power set and reactor body;
Described reactor body comprises housing, chuck and rotating shaft, establishes chuck in described housing, and this chuck surrounds rotating shaft, and the cavity between this rotating shaft and chuck is reaction compartment;
Described housing is provided with at least two material inlets and at least one product exit that lead to reaction compartment; Described housing is also provided with at least one thermal medium inlet and at least one thermal medium outlet of leading to chuck;
Described rotating shaft is connected with the output shaft of power set.
Preferably, described rotating shaft is horizontal installation.
Preferably, described rotating shaft axle smooth surface.
Preferably, described rotating shaft axle surface is provided with water conservancy diversion screw thread, and described chuck madial wall is provided with static water conservancy diversion screw thread; The reaction contributed between material mixes, also the convenient control time etc. of material in reaction compartment.
Preferably, the length of described rotating shaft is 5:1 ~ 40:1 with cross sectional radius than L:D scope, and preferable range is 5:1 ~ 20:1.
Preferably, between described rotating shaft and housing, be provided with sealing, prevent the leakage of material.
Preferably, the cross section tilt angle ranges of described screw thread is 1-30 °; More preferably, the cross section tilt angle ranges of described screw thread is 1-15 °, and the reaction contributed between material mixes.
Preferably, the upper and lower symmetry in one end near power set on described housing is respectively equipped with a material inlet, and the top, one end away from power set is provided with a product exit.
Preferably, described product exit connects separating-purifying equipment; Described separating-purifying equipment is centrifuge or drier.
For solving above-mentioned second technical problem, the application of a kind of Continuous Flow rotating shaft of the present invention reactor in multiphase flow course of reaction, comprises the steps:
1) by first liquid feedstock transportation to Continuous Flow rotating shaft reactor, enter from the first material inlet of housing upper, be transported in reaction compartment;
2) in chuck, conveying thermal medium is heated to Continuous Flow rotating shaft reactor;
3) by the second feedstock transportation to Continuous Flow rotating shaft reactor, enter from the second material inlet of lower housing portion, be transported in reaction compartment;
4) start Continuous Flow rotating shaft reactor, first liquid raw material and the second raw material fully react and mix in reactor; Final material is discharged from product exit.
Preferably, the second raw material to comprise in gas, liquid or solid one or both.
Preferably, described rotary shaft rotating speed is 10 ~ 2000rpm, and heat medium temperature is-50 ~ 500 DEG C; More preferably, described rotary shaft rotating speed 20 ~ 1200rpm, heat medium temperature preferably-40 ~ 350 DEG C.
The present invention has following beneficial effect:
The invention provides a kind of rotating shaft reactor assembly, by arranging chuck, and under the effect of the powerful centrifugal force of axle, can realize that temperature controls accurately, material fully mixes and stirs, mix, product purity high yield is large, highly versatile, structure and simple operation and other advantages, be specially adapted to multiphase flow (gas-liquid, liquid liquid, the gas-liquid-solid) reaction system than great, that viscosity precipitates greatly, easily, the time of staying is long material.
Accompanying drawing explanation
Fig. 1 is rotating shaft reactor assembly structural representation of the present invention;
Fig. 2 is that rotating shaft reactor of the present invention is for multiphase flow reaction process schematic diagram;
Wherein:
1-housing, 2-power set, 3-first material inlet, 4-thermal medium outlet, 5-rotating shaft,
51-water conservancy diversion screw thread, 6-chuck, the static water conservancy diversion screw thread of 61-, 7-product exit, 8-thermal medium inlet,
9-second material inlet, 10-seals, 11-pump, 12-head tank, 13-gas-liquid separator,
14-storage tank, 15-bearing.
Detailed description of the invention
Below in conjunction with drawings and Examples, embodiment of the present invention are described further.But the invention is not restricted to listed embodiment.
Embodiment 1
A kind of Continuous Flow rotating shaft reactor, comprises power set 2 and reactor body;
Power set 2 are motor;
Described reactor body comprises housing 1, chuck 6 and rotating shaft 5, establishes chuck 6 in described housing 1, and this chuck 6 surrounds rotating shaft 5, and the cavity between this rotating shaft 5 and chuck 6 is reaction compartment 50;
Top, one end near power set 2 on described housing 1 is provided with the first material inlet 3, and symmetrical bottom is provided with the second material inlet 9, and housing 1 is provided with a product exit 7 away from the top, one end of power set 2;
Described rotating shaft 5 is connected with the output shaft of power set 2; Described rotating shaft 5 is horizontal installation; And described reactor and power set are all arranged on bearing 15;
Described rotating shaft 5 axle smooth surface;
Be provided with sealing 10 between described rotating shaft 5 and housing 1, prevent the leakage of material;
The length of described rotating shaft is 5:1 ~ 40:1 with cross sectional radius than L:D scope, and preferable range is 5:1 ~ 20:1;
The first material inlet 3 infusion fluid raw material on described housing 1 top, the second material inlet 9 of lower housing portion to input in gas, liquid or solid one or both;
Described product exit 7 connects centrifuge or drier;
Shown in Figure 1, the embodiment improved further, described rotating shaft 5 axle surface is provided with water conservancy diversion screw thread 51, and described chuck madial wall is provided with static water conservancy diversion screw thread 61; The reaction contributed between material mixes, also the convenient control time etc. of material in reaction compartment; The cross section tilt angle ranges of described screw thread is 1-30 ° (angle between Ye Ji thread center line and the rotating shaft longitudinal axis); The embodiment further improved, the cross section tilt angle ranges of described screw thread is 1-15 °, and this reaction contributed between material mixes.
Embodiment 2
Shown in Figure 2, the application of a kind of Continuous Flow rotating shaft of the present invention reactor in multiphase flow course of reaction, with gas liquid reaction LiOH and CO 2li is produced in reaction 2cO 3for example:
Test shaft length used with cross sectional radius than being 10:1, cavity volume is the rotating shaft reactor of 50L, LiOH solution is placed in head tank 12, by the effect of pump 11, solution will pump in rotating shaft reactor cavity that volume is 50L with 20L/h, regulate pH value to be 9, simultaneously with the flow of 25L/h by CO 2gas passes in rotating shaft reactor cavity, regulates rotating shaft speed to be 500rpm.Gas-liquid fully contacts under the effect of rotating shaft water conservancy diversion screw thread, mixed precipitation liquid is passed into centrifuge and carry out dehydration washing, then pass into drying chamber adjustment temperature 160 DEG C of dry 2h, finally obtain Li 2cO 3purity be 99.00%.
Embodiment 3
Shown in Figure 2, the application of a kind of Continuous Flow rotating shaft of the present invention reactor in multiphase flow course of reaction, with gas liquid reaction LiOH and CO 2li is produced in reaction 2cO 3for example
Test shaft length used with cross sectional radius than being 10:1, cavity volume is the rotating shaft reactor of 50L, LiOH solution is placed in head tank, by the effect of pump, solution will pump in rotating shaft reactor cavity that volume is 50L with 12L/h, regulate pH value to be 10, simultaneously with the flow of 15L/h by CO 2gas passes in rotating shaft reactor cavity, and adjustment spindle speed is 400rpm.Gas-liquid fully contacts under the effect of rotating shaft water conservancy diversion screw thread, mixed precipitation liquid is passed into centrifuge and carry out dehydration washing, then pass into drying chamber adjustment temperature 160 DEG C of dry 2h, finally obtain Li 2cO 3purity be 99.20%.
Embodiment 4
Shown in Figure 2, the application of a kind of Continuous Flow rotating shaft of the present invention reactor in multiphase flow course of reaction, with reactive liquid solution LiCl and Na 2cO 3reaction generates Li 2cO 3for example.
Test shaft length used with cross sectional radius than being 10:1, cavity volume is the rotating shaft reactor of 50L, LiCl solution is placed in head tank, pumps in 50L rotating shaft reactor cavity by LiCl with 20L/h, pumps into concentration for 5mol/L Na with 20L/h simultaneously 2cO 3, regulate pH value to be 9.5, adjusting rotary speed 650rpm reacts, and mixed precipitation liquid is passed into filter, finally obtains Li 2cO 3purity be 98.5%.
Embodiment 5
Shown in Figure 2, the application of a kind of Continuous Flow rotating shaft of the present invention reactor in multiphase flow course of reaction, with liquid-solid reaction LiOH and NH 4hCO 3generate Li 2cO 3for example.
Test shaft length used with cross sectional radius than being 10:1, cavity volume is the rotating shaft reactor of 50L, and LiOH solution is placed in head tank, is pumped into by 20L LiOH solution in 50L rotating shaft reactor cavity, 60 DEG C of water are pumped into in chuck by pump, then by 10Kg NH 4hCO 3join in rotating shaft, adjusting rotary speed 700rpm, mixed precipitation liquid is passed into drying chamber, regulate temperature 150 DEG C of dry 2h, the Li of gained 2cO 3purity is 99.10%.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here cannot give exhaustive to all embodiments.Every belong to technical scheme of the present invention the apparent change of extending out or variation be still in the row of protection scope of the present invention.

Claims (10)

1. a Continuous Flow rotating shaft reactor, comprises power set and reactor body, it is characterized in that:
Described reactor body comprises housing, chuck and rotating shaft, establishes chuck in described housing, and this chuck surrounds rotating shaft, and the cavity between this rotating shaft and chuck is reaction compartment;
Described housing is provided with at least two material inlets and at least one product exit that lead to reaction compartment; Described housing is also provided with at least one thermal medium inlet and at least one thermal medium outlet of leading to chuck;
Described rotating shaft is connected with the output shaft of power set.
2. Continuous Flow rotating shaft reactor according to claim 1, is characterized in that: preferably, and described rotating shaft is horizontal installation.
3. Continuous Flow rotating shaft reactor according to claim 1, is characterized in that: preferably, described rotating shaft axle smooth surface.
4. Continuous Flow rotating shaft reactor according to claim 1, is characterized in that: preferably, and described rotating shaft axle surface is provided with water conservancy diversion screw thread, and described chuck madial wall is provided with static water conservancy diversion screw thread.
5. Continuous Flow rotating shaft reactor according to claim 4, is characterized in that: preferably, and the cross section tilt angle ranges of described water conservancy diversion screw thread and static water conservancy diversion screw thread is 1-30 °; More preferably, described cross section tilt angle ranges is 1-15 °.
6. according to described Continuous Flow rotating shaft reactor arbitrary in claim 3 or 4, it is characterized in that: preferably, the length of described rotating shaft is 5:1 ~ 40:1 with cross sectional radius than L:D scope, and preferable range is 5:1 ~ 20:1.
7. Continuous Flow rotating shaft reactor according to claim 1, is characterized in that:
Preferably, sealing is provided with between described rotating shaft and housing;
Preferably, the upper and lower symmetry in one end near power set on described housing is respectively equipped with a material inlet, and the top, one end away from power set is provided with a product exit;
Preferably, described product exit connects separating-purifying equipment; Described separating-purifying equipment is centrifuge or drier.
8. the application of Continuous Flow rotating shaft reactor in multiphase flow course of reaction, is characterized in that, comprise the steps:
1) by first liquid feedstock transportation to Continuous Flow rotating shaft reactor, enter from the first material inlet of housing upper, be transported in reaction compartment;
2) in chuck, conveying thermal medium is heated to Continuous Flow rotating shaft reactor;
3) by the second feedstock transportation to Continuous Flow rotating shaft reactor, enter from the second material inlet of lower housing portion, be transported in reaction compartment;
4) start Continuous Flow rotating shaft reactor, first liquid raw material and the second raw material fully react and mix in reactor; Final material is discharged from product exit.
9. application according to claim 8, is characterized in that: preferably, the second raw material be in gas, liquid or solid one or both.
10. application according to claim 8, is characterized in that: preferably, and described rotary shaft rotating speed is 10 ~ 2000rpm, and heat medium temperature is-50 ~ 500 DEG C; More preferably, described rotary shaft rotating speed 20 ~ 1200rpm, heat medium temperature preferably-40 ~ 350 DEG C.
CN201310542394.9A 2013-11-05 2013-11-05 A kind of continuous stream rotary shaft reactor and its application Active CN104607131B (en)

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Application Number Priority Date Filing Date Title
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CN104607131A true CN104607131A (en) 2015-05-13
CN104607131B CN104607131B (en) 2017-12-12

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201760279U (en) * 2010-06-28 2011-03-16 杭州原正化学工程技术装备有限公司 Horizontal reactor
CN202133246U (en) * 2011-05-06 2012-02-01 竹山县鑫源皂素有限责任公司 Hydrolysate drying machine
JP2012214729A (en) * 2011-03-31 2012-11-08 Mitsubishi Chemicals Corp Method for producing polycarbonate resin
CN202964905U (en) * 2012-12-27 2013-06-05 嘉兴市博宏新型建材有限公司 Horizontal mortar mixer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201760279U (en) * 2010-06-28 2011-03-16 杭州原正化学工程技术装备有限公司 Horizontal reactor
JP2012214729A (en) * 2011-03-31 2012-11-08 Mitsubishi Chemicals Corp Method for producing polycarbonate resin
CN202133246U (en) * 2011-05-06 2012-02-01 竹山县鑫源皂素有限责任公司 Hydrolysate drying machine
CN202964905U (en) * 2012-12-27 2013-06-05 嘉兴市博宏新型建材有限公司 Horizontal mortar mixer

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