A kind of dispersal device of inside and outside cooling
Technical field
The present invention relates to pulp dispersing device, more particularly, relate to a kind of pulp dispersing device that is applicable to fields such as battery, coating, dyestuff, printing ink, pigment, cosmetics, emulsion, adhesive, medicine, oil, fine chemistry industry.
Background technology
Dispersion machine be widely used in battery, coating, dyestuff, printing ink, pigment, cosmetics, resin, adhesive, emulsion, medicine, oil, etc. the liquid and the liquid-powder phase slurry in field carry out stirring, dissolving and dispersion at a high speed; Its operation principle is: the high speed swiveling wheel of dispersion machine is rotation at a high speed in container; Powerful centrifugal force with slurry from the gap of radially getting rid of narrow precision between high speed swiveling wheel and the charging basket wall; Receive comprehensive function power such as centrifugal extruding, liquid layer friction, fluid power bump simultaneously, slurry is disperseed by preliminary.The swiveling wheel that dispersion machine rotates at a high speed produces the above linear velocity of 50m/s at least, and the molecular force of slurry molecule is sheared at strong fluid power, the liquid layer friction, tear effect such as collision down by fully dispersion.
High speed dispersor is in dispersion process, and the high speed swiveling wheel rotates at a high speed, produces a large amount of frictional heats, and the temperature of slurry is rapid rising.The rising of slurry temperature can produce adverse influence, even very little temperature rise will reduce the slurry viscosity significantly, makes the laminar flow trend become the turbulent flow trend, and the kinetic energy of this turbulent flow changes into heat energy again, further causes temperature rise, causes vicious circle.On the other hand, the rising of slurry temperature can cause the institutional framework of auxiliary agent to destroy, change performance even burnt sintering phenomenon occurs; The solubility of ionic dispersant in water can increase along with the rising of temperature, reduces its result of use; The emulsion paint of preparing under the high situation of slurry temperature be easy to generate swell, the lay up period particle returns disadvantages such as thick and workability difference.
Summary of the invention
The technical problem that the present invention will solve is; There is change and this defective of the burnt phenomenon of sintering that the slurry cooling effect is not good, heat dispersion is bad, institutional framework appears in slurry owing to temperature is too high to dispersion machine in the prior art; A kind of dispersal device of inside and outside cooling is provided, can fine solution dispersal device in the cooling problem of slurry.
The technical solution adopted for the present invention to solve the technical problems is: a kind of dispersal device of inside and outside cooling comprises charging basket, is arranged on the high speed swiveling wheel in the said charging basket; Said charging basket comprises charging basket inwall, charging basket outer wall, constitutes closed sandwich between said charging basket inwall and the charging basket outer wall; Be provided with the interlayer cooler in the said closed sandwich; Be provided with the cooling bag of cooling slurry in the said charging basket.
The dispersal device of a kind of inside and outside cooling of the present invention, preferred, circumferentially be provided with demixing plate along said charging basket in the said interlayer cooler; Said demixing plate is separated said interlayer cooler and is formed first cooling layer, second cooling layer, the 3rd cooling layer and the 4th cooling layer; Be provided with corresponding cooling water inlet and coolant outlet on said first cooling layer, second cooling layer, the 3rd cooling layer and the 4th cooling layer.
The dispersal device of a kind of inside and outside cooling of the present invention, preferred, the adjacent successively setting of said first cooling layer, second cooling layer, the 3rd cooling layer and the 4th cooling layer; The supporting coolant outlet in the cooling water inlet of said first cooling layer, second cooling layer, the 3rd cooling layer or the 4th cooling layer and said cooling water inlet is oppositely arranged on the both sides of said charging basket outer wall.
The dispersal device of a kind of inside and outside cooling of the present invention, preferred, the place, cooling water inlet of said first cooling layer, second cooling layer, the 3rd cooling layer and the 4th cooling layer is provided with and infeeds mouthful spreader of cooling water shunting.
The dispersal device of a kind of inside and outside cooling of the present invention, preferred, said spreader is a hollow cylindrical body; Be relatively set with the tap hole of perforation on the side of said hollow cylindrical body.
The dispersal device of a kind of inside and outside cooling of the present invention, preferred, in said first cooling layer and the 3rd cooling layer cooling water flow to identical; In said second cooling layer and the 4th cooling layer cooling water flow to identical; The flow direction of cooling water is opposite in said first cooling layer and second cooling layer.
The dispersal device of a kind of inside and outside cooling of the present invention, preferred, said cooling bag comprises that the cooling that is arranged on the said charging basket base plate wraps into water pipe, cooling contracts out water pipe and annular cooling line; Said cooling line is arranged on said charging basket inwall ringwise with interior and near said charging basket inwall.
The dispersal device of a kind of inside and outside cooling of the present invention, preferred, the setting height(from bottom) that said cooling contracts out the water pipe in the vertical direction is higher than the setting height(from bottom) that cooling wraps into water pipe.
The dispersal device of a kind of inside and outside cooling of the present invention, preferred, also be provided with the slurry inlet that runs through said charging basket base plate on the said charging basket base plate; Said slurry inlet wraps into water pipe and said cooling in said cooling and contracts out between the water pipe and extend to the cooling bag.
The dispersal device of a kind of inside and outside cooling of the present invention, preferred, said cooling is wrapped the gain that is communicated with said slurry inlet also is set.
The present invention can reach following beneficial effect: through in the closed sandwich that between the charging basket inwall of dispersal device and charging basket outer wall, constitutes the interlayer cooler being set, interlayer constitutes cooling-water duct, and the slurry in the charging basket is cooled off.Be provided with cooling bag in the charging basket, the slurry that disperses in cooling bag and the charging basket fully contacts, and in charging basket inside slurry is cooled off.This dispersal device is provided with interlayer cooler and cooling bag simultaneously, makes the cooling effect of slurry better obviously.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the structural representation of the dispersal device of a kind of inside and outside cooling of the present invention;
Fig. 2 is the elevational schematic view of the charging basket of a kind of inside and outside dispersal device that cools off of the present invention;
Fig. 3 is the front view sketch map of the charging basket of a kind of inside and outside dispersal device that cools off of the present invention;
Fig. 4 is the vertical view sketch map of the charging basket of a kind of inside and outside dispersal device that cools off of the present invention;
Fig. 5 is the A-A cross-sectional schematic of front view of charging basket of the dispersal device of a kind of inside and outside cooling of the present invention;
Fig. 6 is the B-B cross-sectional schematic of front view of charging basket of the dispersal device of a kind of inside and outside cooling of the present invention;
Fig. 7 is the elevational schematic view of the cooling bag of a kind of inside and outside dispersal device that cools off of the present invention;
Fig. 8 is that the master of the cooling bag of a kind of inside and outside dispersal device that cools off of the present invention looks sketch map;
Fig. 9 is the schematic top plan view of the cooling bag of a kind of inside and outside dispersal device that cools off of the present invention;
Figure 10 is the levoform sketch map of the cooling bag of a kind of inside and outside dispersal device that cools off of the present invention;
Figure 11 is that the master of the cooling bag of a kind of inside and outside dispersal device that cools off of the present invention looks cross-sectional schematic;
Figure 12 is that the master of the spreader of a kind of inside and outside dispersal device that cools off of the present invention looks sketch map;
Figure 13 is the schematic side view of the spreader of a kind of inside and outside dispersal device that cools off of the present invention;
Figure 14 is the A-A cutaway view of the spreader of a kind of inside and outside dispersal device that cools off of the present invention.
Among the figure
1, charging basket 11, charging basket first cooling layer
12, charging basket second cooling layer 13, charging basket the 3rd cooling layer
14, charging basket the 4th cooling layer 15, charging basket outer wall
16, charging basket inwall 17, first water inlet
18, the 3rd water inlet 19, first delivery port
120, the 3rd delivery port 121, second delivery port
122, the 4th delivery port 123, second water inlet
124, the 4th water inlet 125, charging basket base plate
126, cooling contracts out water pipe hole 127, cooling wraps into the water pipe hole
128, slurry inlet 2, high speed swiveling wheel
3, cooling bag 31, cooling wrap into water pipe
32, cooling contracts out water pipe 4, disperses main shaft
5, axle sleeve 6, motor
7, frame fixed head 8, slurry outlet
9, spreader 90, slurry inlet spreader
91, tap hole 92, tap hole
33 cooling bag cooling lines 34, gain
The specific embodiment
To understand in order technical characterictic of the present invention, purpose and effect being had more clearly, to contrast accompanying drawing at present and specify the specific embodiment of the present invention.
Shown in Fig. 1~6, be a preferred embodiment provided by the invention, a kind of dispersal device of inside and outside cooling comprises charging basket 1, the container that charging basket 1 takes place for the slurry dispersion process; Be arranged on the high speed swiveling wheel 2 in the charging basket 1, the external diameter of high speed swiveling wheel 2 is more smaller than the internal diameter of charging basket 1; High speed swiveling wheel 2 drives through disperseing main shaft 4, disperses the upper end of main shaft 4 to be connected with motor 6, and the lower end extends in the charging basket 1 and is fixedly connected on high speed swiveling wheel 2 middle parts; Disperse the outer periphery of main shaft 4 to be equipped with axle sleeve, axle sleeve is provided with slurry outlet 8; Drive and disperse the motor 6 of main shaft 4 to be arranged on the frame fixed head 7.
Charging basket 1 comprises the closed sandwich that constitutes between charging basket inwall 16, charging basket outer wall 15, charging basket base plate 125 and charging basket inwall 16 and the charging basket outer wall 15, forms the interlayer cooler.Charging basket 1 is provided with cooling water inlet and the coolant outlet that runs through charging basket outer wall 15, and recirculated cooling water flows into interlayer through the cooling water inlet, in the interlayer cooler with charging basket in slurry carry out heat exchange, with the cooling slurry, flow out from coolant outlet at last.
Circumferencial direction along charging basket 1 in the closed sandwich of charging basket 1 is provided with demixing plate, and charging basket 1 is divided into multilayer from above-below direction.Like Fig. 5 and shown in Figure 6, the closed sandwich of charging basket 1 is separated into first cooling layer 11, second cooling layer 12, the 3rd cooling layer 13 and the 4th cooling layer 14 by demixing plate.Four cooling layers independently cool off, and each cooling layer is provided with cooling water inlet and coolant outlet separately.Shown in Fig. 2~6, first water inlet 17 of first cooling layer 11 and first delivery port 19; Second water inlet 123 of second cooling layer 12 and second delivery port 121; The 3rd water inlet 18 of the 3rd cooling layer 13 and the 3rd delivery port 120; The 4th delivery port 122 of the 4th cooling layer 14 and the 4th water inlet 124.
The water inlet of four cooling layers and delivery port position distribution; First cooling layer 11, second cooling layer 12, the 3rd cooling layer 13 and the adjacent successively setting of the 4th cooling layer 14; The wherein water inlet of first cooling layer 11 and the 3rd cooling layer 13 and delivery port position consistency, the water inlet of second cooling layer 12 and the 4th cooling layer 14 and delivery port position consistency.
According to the tangible principle of heat exchange in the laminar flow countercurrent flow process; The water inlet of first cooling layer 11 and second cooling layer 12 is just opposite with the distributing position of delivery port; LAYER FLUID flows in flow process on the contrary; Each cooling layer also has heat exchange each other between the cooling layer when carrying out independent heat exchange with slurry.The flow direction of cooling water is different between the adjacent cooling layer, and the temperature that can guarantee cooling water in each cooling layer is all the time a relatively low temperature.The water inlet through cooling layer rationally is set and the distributing position of delivery port cool off slurry to greatest extent.
Further; The water inlet of four cooling layers of charging basket 1 and delivery port all are arranged on the both sides of charging basket 1 relatively; Just discharge from delivery port through the runner of half circumference from the cooling water flow that water inlet flows into, cooling water is shunted in the porch, and the place converges outflow at delivery port.The such water inlet and the position of delivery port are provided with and have guaranteed in the unit interval, and the cooling water inflow that carries out heat exchange with slurry increases greatly, have further guaranteed cooling effect.
Further, for the uniformity of the slurry temperature that guarantees to be cooled, cooling water must carry out the equivalent shunting in the same cooling layer in the porch.Cooling water after the equivalent shunting can guarantee to be evenly distributed with the slurry temperature of one deck in runner, has further guaranteed the slurry cooling effect.
In order to guarantee that cooling water can evenly be split into two fluid streams at water inlet, be provided with spreader at the water inlet place of each cooling layer, the installation site of spreader is in the inboard of oral siphon.Shown in Figure 12~14, spreader 9 is a hollow cylindrical body, is relatively set with the tap hole 91 and tap hole 92 of perforation on the circumference side of hollow cylindrical body, and cooling water flows into through hollow cylindrical body, shunts through tap hole 91 and tap hole 92.
Between charging basket 1 high speed swiveling wheel 2 and charging basket floor 125, be provided with slurry is carried out pre-cooled cooling bag 3.Shown in Fig. 7~11, charging basket base plate 125 is provided with cooling and wraps into water pipe hole 127, wraps into the 127 supporting coolings that are connected of water pipe hole with cooling and wrap into water pipe 31, cool off to contract out water pipe hole 126 and to contract out the 126 supporting coolings that are connected of water pipe hole with cooling and contract out water pipe 32.Cooling bag cooling line 33 is the annular pipeline, is arranged on charging basket 1 inwall with in the interior space.
Shown in Fig. 7~11; Cooling water in the cooling bag 3 wraps into water pipe 31 from cooling and gets into, and in the annular pipeline, is split into two fluid streams, and two fluid streams flow along cooling bag cooling line 33; Slurry in this process in cooling water and the charging basket carries out heat exchange; Constantly cool off slurry, two strands of cooling water fluids contract out water pipe 32 in cooling and go out to converge outflow, so circulation cooling.Be full of the annular pipeline that cooling is wrapped in order to guarantee that cooling water can be accomplished, the setting height(from bottom) that cooling contracts out water pipe 32 in the vertical directions wraps into water pipe 31 in setting height(from bottom) a little more than cooling.
Another embodiment of shunting in the cooling bag; Can wrap into water pipe 31 junctions in the cooling line of cooling bag 3 and cooling is provided with and infeeds mouthful spreader of cooling water shunting; Shown in Figure 12~14, spreader 9 is a hollow cylindrical body, is relatively set with the tap hole 91 and tap hole 92 of perforation on the circumference side of hollow cylindrical body; Cooling water flows into through hollow cylindrical body, shunts through tap hole 91 and tap hole 92.
Also be provided with slurry inlet 128 on the charging basket base plate 125 of charging basket 1, slurry inlet 128 extends in the cooling bag 3.Cooling is wrapped to be provided with and is run through the gain 34 that is communicated with slurry inlet 128, and gain is 2, is symmetrical set.Be provided with spreader 90 in the slurry inlet 128, two outlets of spreader 90 are communicated with two gains respectively.Slurry is transferred pump through slurry inlet 128, and the spreader 90 of flowing through flows out from gain 34, gets in the charging basket 1.The gap that has narrow precision between the charging basket inwall 16 of high speed swiveling wheel 2 and charging basket 1, the radical length of this gap is approximately 2~5mm.Slurry flows out from gain 24 in the back, receives the high speed rotation of high speed swiveling wheel 2, slurry be dispersed in high speed swiveling wheel 2 around.Under powerful centrifugal action, slurry sticks on the inwall of charging basket 1, and on the inwall of charging basket 1, forms very thin one deck hollow cylindrical film.The molecular force of slurry molecule in the friction of strong shearing force, liquid layer, tear effect such as collision down by fully dispersion.
Disperse main shaft 4 upper ends to be driven by motor 6, lower end and high speed swiveling wheel 2 middle parts are fixed, thereby rotary power are provided for high speed swiveling wheel 2, to drive the high speed rotation of high speed swiveling wheel 2.The high speed swiveling wheel 2 of dispersion machine requires have sufficiently high linear velocity to be rotated; Linear velocity generally greater than 50m/s; Could guarantee to produce powerful centrifugal force like this disperses the slurry molecule; The charging basket inwall 16 of slurry charging basket 1 in the centrifugal action lower edge is close to, form the hollow cylindrical form of film liquid layer.
Disperse main shaft 4 outer periphery to be equipped with axle sleeve 5, axle sleeve 5 is provided with slurry outlet 8, forms the slurry outlet passage between axle sleeve 5 and the charging basket.Slurry after disperseing in the charging basket gets into slurry outlet 8 through the slurry passage and discharges.
The operation principle of the dispersal device of a kind of inside and outside cooling of the present invention is: slurry is transferred pump and sends in the charging basket 1 through slurry inlet 128, and in the course of conveying and dispersion process of slurry, the slurry cooling water that wraps in 3 that constantly is cooled cools off.High speed swiveling wheel 2 is at a high speed rotation in charging basket 1, utilizes that centrifugal force accomplishes that solid-liquid disperses, moistening, depolymerization, stabilization process.Powerful centrifugal force from the gap of radially getting rid of narrow precision between high speed swiveling wheel 2 and the charging basket inwall 16, forms the liquid layer of hollow cylindrical form of film with slurry.The slurry liquid layer receives comprehensive function power such as centrifugal extruding, liquid layer friction, fluid power bump simultaneously, and the slurry molecule is disperseed by preliminary.The high speed swiveling wheel 2 of dispersion machine produces the above linear velocity of 50m/s at least, the molecular force of slurry molecule in strong shearing force, liquid layer friction, tear effect such as collision down by fully dispersion.Slurry constantly from the radially ejaculation at a high speed of charging basket 1, changes the flow direction in the dispersion machine under the resistance of slurry itself and chamber wall, and the slurry molecule penetrates in the aperture on the high speed swiveling wheel back and forth, through the several circulation, finally accomplishes dispersion process.In the dispersion process; Powerful centrifugal force makes slurry on the charging basket inwall, form the liquid layer of form of film, in first cooling layer 11, second cooling layer 12, the 3rd cooling layer 13 and the 4th cooling layer 14 recirculated cooling water in each cooling layer with charging basket 1 inwall on the liquid layer slurry cool off.The cooling water of each cooling layer splits into two strands of cooling fluids in the porch, converge discharge in the exit; The flow direction of the cooling water of adjacent cooling layer is opposite, with abundant assurance cooling effect.
Among the present invention the linear velocity of dispersal device generally greater than 50m/s, the high speed of high speed swiveling wheel 2 rotation can produce a large amount of frictional heats, these a large amount of frictional heats shift to slurry.Battery, coating, dyestuff, printing ink, pigment, cosmetics, resin, adhesive, emulsion, medicine, oil, etc. the temperature requirement of slurry in field the uniform temperature higher limit is arranged, tissue degeneratiaon will take place in case be higher than this temperature upper limit slurry.The present invention provides a kind of dispersal device of inside and outside cooling, fully cools off slurry, can guarantee that slurry temperature still is lower than the uniform temperature higher limit under the high rotating speed.
Combine accompanying drawing that embodiments of the invention are described above; But the present invention is not limited to the above-mentioned specific embodiment, and the above-mentioned specific embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.