CN201572640U

CN201572640U - Multipurpose chemical reactor

Info

Publication number: CN201572640U
Application number: CN2009202595251U
Authority: CN
Inventors: 刘跃军; 阙永生; 黄宇刚
Original assignee: Hunan University of Technology
Current assignee: Hunan University of Technology
Priority date: 2009-12-07
Filing date: 2009-12-07
Publication date: 2010-09-08
Anticipated expiration: 2019-12-07

Abstract

The utility model relates to a multipurpose chemical reactor comprising a stirring wheel, a reactor casing, a reactor cover, a transmission bar, a reaction chamber and a heat exchange chamber, wherein the U-shaped heat exchange chamber is arranged at the inner side of the reactor casing; the inner wall of the U-shaped heat exchange chamber and the reactor cover form the reaction chamber by encircling; the reaction chamber is divided into an upper funnel-shaped reaction chamber and a lower concave reaction chamber by a funnel-shaped cavity arranged in the middle; the upper part of the funnel-shaped cavity is provided with a dispersion groove; the transmission bar is arranged at the center of the reaction chamber; the stirring wheel is arranged at the bottom of the reaction chamber; and a dispersion wheel is arranged on the transmission bar between the dispersion groove and the reactor cover. The multipurpose chemical reactor has the advantages that: 1, the mixed reaction of the feed liquid can be carried out instantly; 2, the uniform and mixed reaction of a reaction system with larger specific gravity difference of the solid-liquid phases can be carried out; 3, nano particles and micro-nano particles can be prepared in large quantity; 4, the reactor has the functions of dispersing, stirring, heating and ventilating, therefore the application range is wide; and 5, the reactor has convenient operation and automatic and continuous mass production.

Description

A kind of multipurpose chemical reactor

Technical field

The utility model relates to a kind of multipurpose chemical reactor.This reactor is applicable to the laboratory research and the large-scale production of chemistry, chemical industry, food, biological medicine, cosmetics; be specially adapted to liquid-liquefaction sedimentation and prepare nanometer particle material; liquid-solid surface modification with the micro-nano inorganic particle; and the bigger reaction system of solid-liquid two-phase difference in specific gravity carries out even hybrid reaction, belongs to the chemical mechanical equipment manufacturing industry.

Background technology

The at present industrial powder body material that obtains by sedimentation reaction generally carries out in reactor, and the nucleation and growth of crystal often carries out synchronously, products therefrom particle diameter wider distribution, and granular size differs, and brings very big drawback to practical application.According to the feature of inorganic nano-particle nucleation and growth, nucleation time is short more good more, and will mix, and the nucleation and growth that this will crystal separately.Because the more little easy more reunion of nano particle diameter, the surface modification and the processing of the powder in later stage are made troubles, production cost is low as far as possible in addition, and production technology is succinct as far as possible, and this synthetic and surface modification that just requires particle is in one.

In industrialized chemical reaction, it is the mixed uniformly method of solid-liquid two-phase that one class is arranged, for the bigger reaction system of solid-liquid two-phase difference in specific gravity, the solid-liquid two-phase is difficult to the satisfactory of mixing, particularly along with the expansion of commercial plant, mix more obvious that uneven shortcoming exposes, this has just limited industrialized development.On the basis of the reactor (200820210914.0) of preparation inorganic nano-particle under a kind of normal temperature of utility model patent of scientific research group participation invention, further further investigate the nucleation and growth mechanism of inorganic nano-particle, the feature of solid-liquid reaction, and the pluses and minuses of domestic and international pre-existing reactors, original device is transformed, and a kind of novel reactor has been born.

Summary of the invention

The objective of the invention is to provide a kind of nucleation and growth of crystal that can make separately to carry out, can carry out in-situ-surface modifying, can make the bigger reaction system of solid-liquid two-phase difference in specific gravity carry out the reactor of even hybrid reaction particle.

The purpose of this utility model is to realize like this, the utility model contains stirring wheel, shell of reactor, chamber lid, drive link, reative cell and heat-exchanging chamber, wherein, the inboard of shell of reactor is provided with " U " type heat-exchanging chamber, and the sidepiece of " U " type heat-exchanging chamber is provided with the heat-exchanging chamber inlet and the heat-exchanging chamber outlet communicates with " U " type heat-exchanging chamber; The inwall and the chamber lid of " U " type heat-exchanging chamber surround a reative cell, reative cell is divided on the funnel reative cell under the reative cell and matrix by the funnel-form cavity that is provided with in the centre, the top of funnel-form cavity is provided with dispersion slot, dispersion slot is provided with the sidewall feed pipe, and the bottom of funnel-form cavity is provided with on the funnel-form outlet of reative cell lower end and communicates with reative cell under the matrix; Drive link is positioned at reative cell central authorities, vertically passes on the funnel-form reative cell under the reative cell and matrix, and the bottom of drive link is provided with stirring wheel, and the drive link between dispersion slot and the chamber lid is provided with dispersion wheel; The bottom of reative cell is provided with reative cell lower discharge port under air inlet pipe and the matrix under the matrix, and sidepiece is provided with reative cell top discharge mouth under the matrix, also is provided with feed pipe on the chamber lid.

The present invention has the following advantages: the one, and feed liquid can be mixed in moment, and realized the abundant hybrid reaction of moment, the nucleation and growth of crystal is effectively separated, and can carry out the original position coating modification, little, the narrowly distributing of the particle of gained, batch good stability.The 2nd, can make the bigger reaction system of solid-liquid two-phase difference in specific gravity carry out even hybrid reaction.The 3rd, can make nano particle, micro-and nano-particles in a large number, and can carry out surface modification in enormous quantities inorganic particle.The 4th, device has dispersion, stirring, heating, ventilatory function, so applied range, low cost of manufacture.The 5th, easy to operate, automatically continuously, large-scale production.

Description of drawings

Fig. 1 is a structural representation of the present utility model

Fig. 2 is the dispersion wheel structural representation

Fig. 3 is the dispersion slot structural representation

Fig. 4 is the stirring wheel structural representation

Wherein: air inlet pipe 1, stirring wheel 2, reative cell lower end outlet 3 on the funnel-form, dispersion slot 4, dispersion wheel 5, heat-exchanging chamber outlet 6, shell of reactor 7, chamber lid 8, drive link 9, feed pipe 10, reative cell 11 on the funnel-form, sidewall feed pipe 12, reative cell top discharge mouth 13 under the matrix, funnel-form cavity 14, reative cell 15 under the matrix, " U " type heat-exchanging chamber 16, heat-exchanging chamber inlet 17, reative cell lower discharge port 18 under the matrix, rectangle thin slice 19, disk 20, rib 21, right-angled trapezium shape thin slice 22, disk 23, annulus 24, disk 25, rectangle thin slice 26, hypotenuse 27, base 28.

The specific embodiment

Describe the specific embodiment of the present utility model in detail below in conjunction with accompanying drawing.

A kind of multipurpose chemical reactor, contain stirring wheel (2), shell of reactor (7), chamber lid (8), drive link (9), reative cell and heat-exchanging chamber, wherein: the inboard of shell of reactor (7) is provided with " U " type heat-exchanging chamber (16), and the sidepiece of " U " type heat-exchanging chamber (16) is provided with heat-exchanging chamber inlet (17) and heat-exchanging chamber outlet (6) communicates with " U " type heat-exchanging chamber (16).

The inwall of " U " type heat-exchanging chamber (16) and chamber lid (8) surround a reative cell, reative cell is divided reative cell (15) under reative cell on the funnel (11) and the matrix by the funnel-form cavity (14) that is provided with in the centre, reative cell on the funnel-form (11) can make the feed liquid of firm reaction and the feed liquid that flows out reative cell (15) under the matrix separate, can play crystal nucleation and growth separately, and the order and the adequacy of reaction.The top of funnel-form cavity (14) is provided with dispersion slot (4), and dispersion slot (4) is provided with sidewall feed pipe (12), and the bottom of funnel-form cavity (14) is provided with on the funnel-form reative cell lower end outlet (3) and communicates with reative cell (15) under the matrix.

Drive link (9) is positioned at reative cell central authorities, vertically pass reative cell (15) under reative cell on the funnel-form (11) and the matrix, the bottom of drive link (9) is provided with stirring wheel one or more stirring wheels (2), and the drive link (9) between dispersion slot (4) and the chamber lid (8) is provided with dispersion wheel (5); The bottom of reative cell under the matrix (15) is provided with reative cell lower discharge port (18) under air inlet pipe (1) and the matrix, and sidepiece is provided with reative cell top discharge mouth (13) under the matrix, also is provided with feed pipe (10) on the chamber lid (8).

Dispersion wheel (5) is made up of disk (20) and some perpendicular rectangle thin slices (19) that is inserted on the disk (20), and putting of rectangle thin slice (19) is homogeneous radiation shape or helical teeth shape, and the base of rectangle thin slice (19) is equal with disk (20).

Dispersion slot (4) is made up of disk (23) in annulus (24) and the groove and the perpendicular right-angled trapezium shape thin slice (22) that is inserted on the interior disk (23) of groove, the inwall of annulus (24) is provided with the rib (21) of projection, putting radially or the helical teeth shape of right-angled trapezium shape thin slice (22), hypotenuse (27) ecto-entad of right-angled trapezium shape thin slice (22) tilts, and the angle that hypotenuse (27) is become with base (28) is in 30-45 degree scope.Dispersion slot (4) can play particle is carried out surface modification, cleans dispersion wheel (5) the dispersion of feed liquid, promotes the effect that slurry glides fast.

Stirring wheel (2) is made up of disk (25) and some perpendicular rectangle thin slices (26) that is inserted on the disk (25), and putting of rectangle thin slice (26) is homogeneous radiation shape or helical teeth shape, and vertically passes disk (25).The variable-speed motor adjustable-speed is determined velocity of rotation according to reaction condition.

Before the reaction beginning reative cell lower discharge port (18) under the matrix is closed, feed heating or cooling medium and guarantee that reaction is temperature required, but according to the reaction needed also stuffiness of can ventilating, then the slurry that reactant liquor or solid particle are made from feed pipe (10) simultaneously and stream add; Surfactant or class surfactant or other solvent are added by sidewall feed pipe (12).The reaction feed liquid is smashed into fine droplet by plate washer and in utmost point hybrid reaction in the short time, under action of centrifugal force, be thrown on the funnel-form charging basket wall, coated rapidly by the surfactant that produces under dispersion slot (4) peptizaiton or the vaporific drop of class surfactant or other solvent simultaneously, and flow down along the charging basket wall, flow down along reative cell lower end outlet (3) on the funnel-form, falling stirring wheel (2) upward and by the perpendicular thin slice plate washer that inserts in the disk scatter rapidly, reative cell under matrix (15) reaction a period of time, at a high speed the slurry of rotation by funnel-form reative cell skew wall (14) reduction of speed after by reative cell top discharge mouth (13) discharging under the matrix.When reacted feed liquid no longer by matrix under reative cell top discharge mouth (13) when flowing out, can flow out by reative cell lower discharge port (18) under the matrix.

Claims

1. a multipurpose chemical reactor contains stirring wheel (2), shell of reactor (7), chamber lid (8), drive link (9), reative cell and heat-exchanging chamber, it is characterized in that:

A) inboard of described shell of reactor (7) is provided with " U " type heat-exchanging chamber (16), and the sidepiece of " U " type heat-exchanging chamber (16) is provided with heat-exchanging chamber inlet (17) and heat-exchanging chamber outlet (6) communicates with " U " type heat-exchanging chamber (16);

B) inwall of described " U " type heat-exchanging chamber (16) and chamber lid (8) surround a reative cell, reative cell is divided reative cell (15) under reative cell on the funnel (11) and the matrix by the funnel-form cavity (14) that is provided with in the centre, the top of funnel-form cavity (14) is provided with dispersion slot (4), dispersion slot (4) is provided with sidewall feed pipe (12), and the bottom of funnel-form cavity (14) is provided with on the funnel-form reative cell lower end outlet (3) and communicates with reative cell (15) under the matrix;

C) described drive link (9) is positioned at reative cell central authorities, vertically pass reative cell (15) under reative cell on the funnel-form (11) and the matrix, the bottom of drive link (9) is provided with stirring wheel (2), and the drive link (9) between dispersion slot (4) and the chamber lid (8) is provided with dispersion wheel (5);

D) bottom of reative cell (15) is provided with reative cell lower discharge port (18) under air inlet pipe (1) and the matrix under the described matrix, and sidepiece is provided with reative cell top discharge mouth (13) under the matrix, also is provided with feed pipe (10) on the chamber lid (8).

2. a kind of multipurpose chemical reactor according to claim 1, it is characterized in that described dispersion wheel (5) is made up of disk (20) and some perpendicular rectangle thin slices (19) that is inserted on the disk (20), putting of rectangle thin slice (19) is homogeneous radiation shape or helical teeth shape, and the base of rectangle thin slice (19) is equal with disk (20).

3. a kind of multipurpose chemical reactor according to claim 1, it is characterized in that described dispersion slot (4) is by disk (23) in annulus (24) and the groove and perpendicularly be inserted in the groove right-angled trapezium shape thin slice (22) on the disk (23) and form, the inwall of annulus (24) is provided with the rib (21) of projection, putting radially or the helical teeth shape of right-angled trapezium shape thin slice (22), hypotenuse (27) ecto-entad of right-angled trapezium shape thin slice (22) tilts, and the angle that hypotenuse (27) is become with base (28) is in 30-45 degree scope.

4. a kind of multipurpose chemical reactor according to claim 1, it is characterized in that described stirring wheel (2) is made up of disk (25) and some perpendicular rectangle thin slices (26) that is inserted on the disk (25), putting of rectangle thin slice (26) is homogeneous radiation shape or helical teeth shape, and vertically passes disk (25).