CN207872144U - A kind of reaction unit being used to prepare big proportion and bulky grain crystal - Google Patents
A kind of reaction unit being used to prepare big proportion and bulky grain crystal Download PDFInfo
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- CN207872144U CN207872144U CN201721637753.9U CN201721637753U CN207872144U CN 207872144 U CN207872144 U CN 207872144U CN 201721637753 U CN201721637753 U CN 201721637753U CN 207872144 U CN207872144 U CN 207872144U
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Abstract
The utility model discloses a kind of reaction units being used to prepare big proportion and bulky grain crystal comprising at least one feeding mechanism is arranged in the top of retort, feeding mechanism and rabbling mechanism, the retort, and the rabbling mechanism is arranged in retort；The cavity of the retort is from top to bottom divided into first area, second area and third region, the diameter in the third region is less than enrichment of the diameter of first area for accelerating crystal grain, in this way, the utility model passes through to retort special geometric space, the comprehensive design of feeding mechanism and rabbling mechanism, help speed up the enrichment of solid particle, with the enrichment of bottom solid particle, material concentration increases, make the section of the metastable region between its supersaturated region and saturation solubility curve that can become larger, be conducive to the growth of particle, to obtain big proportion, bulky grain crystal.
Description
Technical field
The utility model belongs to reaction kettle technical field, and in particular to a kind of big proportion and bulky grain crystal of being used to prepare
Reaction unit.
Background technology
Reactor is chemical industry, metallurgical commonly used equipment, is broadly divided into tubular type, autoclave, tower, fixed bed and fluidisation by structure
The types such as bed.
Existing Technical investment is at low cost, easy to operate, tradition stirring impregnating autoclave prototype foundation on, only by adjusting
Reaction kettle height and reaction kettle diameter ratio, to achieve the purpose that stablize or change stirring, the crystal grain obtained compared with
Uniformly, but the crystal grain of the big proportion of bulky grain cannot be obtained.
Utility model content
For overcome the deficiencies in the prior art, the purpose of the utility model is to provide one kind being used to prepare big proportion and big
The reaction unit of granule crystal.
What the technical solution of the utility model was realized in：
The utility model embodiment provides a kind of reaction unit being used to prepare big proportion and bulky grain crystal comprising anti-
Answer tank, feeding mechanism and rabbling mechanism, the top of the retort that at least one feeding mechanism, the rabbling mechanism setting are set
In retort；The cavity of the retort is from top to bottom divided into first area, second area and third region, the third area
The diameter in domain is less than enrichment of the diameter of first area for accelerating crystal grain.
Preferably, the diameter ratio in the first area and third region is 1:1~5:1, the height of the first area with
The ratio of the height sum in second area and third region is 1:1~5:1.
Preferably, the rabbling mechanism includes stirring motor, agitating shaft, agitating paddle component, guide shell and baffle, described to stir
It mixes motor to be arranged at the top of retort, the agitating paddle component is arranged in retort and passes through agitating shaft and stirring motor
Connection, the guide shell are arranged in retort and are located at third region, and the axial setting of top tank structure is reacted on the baffle edge,
The inner wall of retort is fixed in one end of the baffle, and the other end bends to horizontal direction and for connecting the guide shell.
Preferably, the agitating paddle component includes the first agitating paddle from top to bottom set gradually, the second agitating paddle and
Three agitating paddles, second agitating paddle and third agitating paddle are respectively positioned in guide shell.
Preferably, the diameter of first agitating paddle, the second agitating paddle and third agitating paddle is retort base diameter
30~70%, first agitating paddle, the second agitating paddle and third agitating paddle are four leaf agitating paddles of 45 ° of gradients, institute
Third agitating paddle is stated at a distance from retort bottom wall more than 0.5 times of the diameter of third agitating paddle.
Preferably, the height of the 40~80% of a diameter of retort base diameter of the guide shell, guide shell is bottom
1~6 times of the diameter of third agitating paddle 333.
Preferably, the quantity of the baffle is 1~6, and the ratio of the width of the baffle and the diameter of retort is 1:
10~1:50.
Preferably, at least one charging nozzle, thermometer with feeding mechanism cooperation is offered at the top of the retort
It places mouth, pressure gauge placement mouth and manhole, the bottom of the retort and offers discharge port, the outer layer of the retort is provided with
Circulatory mediator interlayer, the circulatory mediator interlayer are provided with circulatory mediator import and circulatory mediator outlet.
Preferably, the feeding mechanism includes stock chest and feed pipe, and the feed pipe is for connecting stock chest and charging
Nozzle is provided with valve, pump, flowmeter and pH meter on the feed pipe.
Preferably, further include temperature conditioning unit, the temperature conditioning unit includes water-bath cycling element, steam heating unit and temperature
Meter, the water-bath cycling element and steam heating unit are connected to by pipeline with circulatory mediator interlayer, and the pipeline is provided with
Valve；The thermometer is set to thermometer and places in mouth and link with water-bath cycling element and steam heating unit.
Compared with prior art, the utility model embodiment, which provides, a kind of being used to prepare the anti-of big proportion and bulky grain crystal
Answer device comprising at least one feeding mechanism is arranged in the top of retort, feeding mechanism and rabbling mechanism, the retort,
The rabbling mechanism is arranged in retort；The cavity of the retort is from top to bottom divided into first area, second area and
The diameter in three regions, the third region is less than enrichment of the diameter of first area for accelerating crystal grain, in this way, this practicality
The novel comprehensive design by retort special geometric space, feeding mechanism and rabbling mechanism, make crystal first area at
Core, enters second area after nucleation, it is to be grown to a certain extent after, the bottom of solid particles sediment to third region, due to the
The diameter in three regions is less than first area, the enrichment of solid particle is helped speed up, with the enrichment of bottom solid particle, substance
Concentration increases, and makes the section of the metastable region between its supersaturated region and saturation solubility curve that can become larger, is conducive to particle
Growth, to obtain big proportion, bulky grain crystal.
Description of the drawings
Fig. 1 is that a kind of structure for the reaction unit being used to prepare big proportion and bulky grain crystal of the utility model embodiment is shown
It is intended to schematic diagram；
Fig. 2 is that a kind of structure for the reaction unit being used to prepare big proportion and bulky grain crystal of the utility model embodiment is shown
It is intended to；
Fig. 3 is a kind of retort for the reaction unit being used to prepare big proportion and bulky grain crystal of the utility model embodiment
Structural schematic diagram；
Fig. 4 is a kind of charger for the reaction unit being used to prepare big proportion and bulky grain crystal of the utility model embodiment
The structural schematic diagram of structure；
Fig. 5 is a kind of blender for the reaction unit being used to prepare big proportion and bulky grain crystal of the utility model embodiment
The structural schematic diagram of structure；
Fig. 6 is a kind of temperature control list for the reaction unit being used to prepare big proportion and bulky grain crystal of the utility model embodiment
The structural schematic diagram of member.
Reference numeral is as follows：
1 --- --- --- second area, 13 --- third region, 14 --- feed pipe of first area, 12 of retort, 11
--- thermometer places mouth, 16, and --- pressure gauge places mouth, 17, and --- manhole, 18 --- discharge port, 19 --- cycle is situated between for mouth, 15
Matter interlayer, 191 --- circulatory mediator import, 192 --- circulatory mediator outlet, 2 --- feeding mechanism, 21 --- stock chests,
22 --- feed pipe, 23 --- valve, 24 --- pump, 25 --- flowmeter, 26 --- pH meter, 3 --- rabbling mechanism, 31 ---
Stirring motor, 32 --- agitating shaft, 33 --- agitating paddle component, 331 --- the first agitating paddle, 332 --- second agitating paddle,
333 --- third agitating paddle, 34 --- guide shell, 35 --- baffle, 4 --- temperature conditioning unit, 41 --- water-bath cycling element,
42 --- steam heating unit, 43 --- thermometers.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model embodiment provides a kind of reaction unit being used to prepare big proportion and bulky grain crystal, such as Fig. 1 and 2
It is shown comprising at least one feeding mechanism is arranged in the top of retort 1, feeding mechanism 2 and rabbling mechanism 3, the retort 1
2, the rabbling mechanism 3 is arranged in retort 1；The cavity of the retort 1 is from top to bottom divided into first area 11, the secondth area
The diameter in domain 12 and third region 13, the third region 13 is less than richness of the diameter of first area 11 for accelerating crystal grain
Collection.
The utility model makes crystalline substance by the comprehensive design to retort special geometric space, feeding mechanism and rabbling mechanism
Body is nucleated in first area, enters second area after nucleation, it is to be grown to a certain extent after, solid particles sediment to third region
Bottom, due to third region diameter be less than first area, the enrichment of solid particle is helped speed up, with bottom solid
The enrichment of grain, material concentration increase, and make the section of the metastable region between its supersaturated region and saturation solubility curve that can become larger,
The growth for being conducive to particle, to obtain big proportion, bulky grain crystal.
The material of retort 1 can be selected according to the difference of reaction system, and the material of common retort has：Borosilicate glass
Glass, stainless steel, quartz, alloy etc..
The diameter ratio in the first area 11 and third region 13 is 1:1~5:1, the height of the first area 11 and the
The ratio of the height sum in two regions 12 and third region 13 is 1:1~5:1.
The top of the retort 1 offers at least one charging nozzle 14 coordinated with feeding mechanism 2, thermometer is placed
Mouth 15, pressure gauge place mouth 16 and manhole 17, the bottom of the retort 1 offer discharge port 18, the outer layer of the retort 1
It is provided with circulatory mediator interlayer 19, the circulatory mediator interlayer 19 is provided with circulatory mediator import 191 and circulatory mediator outlet
192。
Retort 1 with special geometric space is the main equipment of the reaction unit, from the appearance, under upper width
Narrow, first area 11 is relatively large in diameter, and the nucleation of initial reaction stage crystal, the diameter in third region 13 is contributed to be significantly less than the firstth area
Domain 11, second area 12 is dimensional transitions area, in this way, being sufficiently stirred by 12 floating zone of second area, makes the crystal grain of nucleation
It is settled down to third region 13, since the diameter in third region 13 strongly reduces, accelerates the enrichment of the crystal grain of nucleation, the bottom of with
The enrichment of portion's solid particle, material concentration increase, and make the area of the metastable region between its supersaturated region and saturation solubility curve
Between can become larger, be conducive to nucleation crystal grain continued growth, to obtain big proportion, bulky grain crystal；Retort designs on 1 top
There are multiple charging nozzles 14, thermometer places mouth 15, pressure gauge places mouth 16 and manhole 17, convenient for anti-in monitoring retort 1
The state of system, charging nozzle 14 is answered so that the feed liquid with reaction is in stirring using the feeding manner backwards at 0~85 ° of oblique angle
The heart contributes to the mixing and reaction of feed liquid；Bottom is arranged discharge port 18, discharge port 18 can according to demand with filter press or dense
The equipment such as device are connected to；The outer layer of retort 1 is provided with circulatory mediator interlayer 19, for being connected with temperature conditioning unit 4, can pass through
Temperature conditioning unit 4 carries out steam heating, heating water bath or water-bath cooling to retort 1.
The feeding mechanism 2 include stock chest 21 and feed pipe 22, the feed pipe 22 for connect stock chest 21 and into
Expects pipe mouth 14 is provided with valve 23, pump 24, flowmeter 25 and pH meter 26 on the feed pipe 22.
Unlatching and closure of the setting of valve 23 and pump 24 for controlling feeding mechanism 2,22 flow meter of feed pipe, 25 He
The setting of pH meter 26, flow and flow velocity for monitoring feed liquid；21 material selection principle of stock chest is not polluted to raw material
And price is excellent honest and clean, is generally determined according to the property of feed liquid, common storage tank material has PP, fiberglass, stainless steel etc.；Valve 23
Type may be selected to be shut-off valve, ball valve, butterfly valve etc.；Threaded connection, flanged joint and welding end can be used in 23 end of valve
Connection；The selection of 23 main parts size material of valve need to consider the physical properties such as temperature, the pressure of working media and corrosivity etc.
Chemical property, while whether being also contemplated that in medium containing composite factors such as solid particles；Pump 24 is feed pump, the type of feed pump
Formula and performance need to meet the requirement of the technological parameters such as flow, lift, pressure, temperature, cavitation Flow, the suction of reaction unit, and one
As select centrifugal pump, when lift is very high, it is contemplated that positive displacement pump or express pump；Spinner flowmeter, vortex can be selected in flowmeter 25
Flowmeter, ultrasonic flowmeter etc.；PH meter 26 is online pH meter, need to consider the physics and chemical property of measured medium, electricity
Pole mounting means, electrode signal line length etc., common brand have plum Teller-support benefit, Lei Ci, three letter of Shanghai, Yokogawa etc..
The linkage of the equipment such as pump 24, flowmeter 25, pH meter 26 in feeding mechanism 2, can effectively be accurately controlled charging
Flow；The special designing of feed pipe installation site and feed pipe nozzle can effectively control the concentration of reactant in reactor；
The rabbling mechanism 3 includes stirring motor 31, agitating shaft 32, agitating paddle component 33, guide shell 34 and baffle 35, institute
It states stirring motor 31 to be arranged at the top of retort 1, the setting of agitating paddle component 33 is in retort 1 and passes through agitating shaft
32 connect with stirring motor 31, and the setting of the guide shell 34 is in retort 1 and is located at third region 13,35 edge of the baffle
The inner wall of retort 1 is fixed in the axial setting of 1 inner wall of retort, one end of the baffle 35, and the other end is curved to horizontal direction
It rolls over and for connecting the guide shell 34.
Rabbling mechanism 3 realizes the revolution of control agitating shaft 32 and agitating paddle component 33 by the frequency of stirring motor 31,
Reaction system is set to be thoroughly mixed.
The agitating paddle component 33 includes the first agitating paddle 331 from top to bottom set gradually, the second agitating paddle 332 and the
Three agitating paddles 333, second agitating paddle 332 and third agitating paddle 333 are respectively positioned in guide shell 34.
The diameter of first agitating paddle 331, the second agitating paddle 332 and third agitating paddle 333 is that 1 bottom of retort is straight
The 30~70% of diameter, first agitating paddle 331, the second agitating paddle 332 and third agitating paddle 333 are the four of 45 ° of gradients
Leaf agitating paddle, the third agitating paddle 333 is at a distance from 1 bottom wall of retort more than 0.5 times of the diameter of third agitating paddle 333.
The quantity of the agitating paddle of agitating paddle component 33 can be increased and decreased according to the volume of feed liquid in retort 1, work as reaction
When the height of 1 holding liquid of tank is more than 3 times of 333 diameter of third agitating paddle, need to increase by the second agitating paddle 332, when retort 1
The height of institute's holding liquid is that 6 times or more (including 6 times) of the diameter of third agitating paddle 333 need to increase the first agitating paddle 331, position
Height of the agitating paddle apart from liquid level in upper layer must not be less than 0.5 times of diameter of stirring paddle；It is described when according to three agitating paddles
First agitating paddle 331 is more than 5mm at a distance from charging nozzle 14.
Baffle 35 is along the axially mounted narrow long shaped plate of the inner wall of retort 1, quantity, width and the installation position of baffle 35
Angle can have an impact stirring operation, and turbulent extent is higher when fluid flows, and the power of agitator consumed is also bigger, and work as baffle 35
Geometric dimension and after quantity reaches certain numerical value, be further added by the width and quantity of baffle 35, power of agitator also no longer increases；Gear
The relationship of the ratio and energy consumption of the width of plate and the diameter of retort, as shown in the table：
The width design of baffle 35 depends on the viscosity of medium, the ratio and Jie of the width of baffle 35 and the diameter of retort
The relationship of matter viscosity, as shown in the table：The baffle number generally used is 1~6.
| Barrier width/retort diameter | Dielectric viscosity/cp |
| 1/12 | Water |
| 1/18 | 5000 |
| 1/24 | 10000 |
| 1/48 | 20000 |
The 40~80% of 1 base diameter of a diameter of retort of the guide shell 34.
Guide shell 34 is directly welded at the end of the baffle 35 of retort 1, and the height of guide shell 34 is bottom agitating paddle 17
1~6 times of diameter, the diameter of guide shell is the 40~80% of reactor bottom diameter.
The agitating paddle number of plies in rabbling mechanism 3 is designed according to the height of solution, the diameter of paddle board blade is according to reaction
The diameter of tank is designed, the height of guide shell is designed according to the height of agitating paddle, the diameter of guide shell is according to retort
Base diameter is designed, and can effectively control the mixability and incorporation time of reactant, is conducive to the nucleation speed for controlling crystal
Degree and growing environment.
Further include temperature conditioning unit 4, the temperature conditioning unit 4 includes water-bath cycling element 41, steam heating unit 42 and temperature
Meter 43, the water-bath cycling element 41 and steam heating unit 42 are connected to by pipeline with circulatory mediator interlayer 19, the pipe
Road is provided with valve；The thermometer 43 is set to thermometer and places in mouth 15 and heated with water-bath cycling element 41 and steam
Unit 42 links.
Water-bath cycling element 41 is for being heated or cooled the feed liquid in retort 1.
1 outer layer of retort has circulatory mediator interlayer 19, can be used for steam heating and heating water bath or cooling, thermometer 43 with
Water-bath cycling element 41 and steam heating unit 42 link, and accurately control the temperature of reaction system, temperature of reaction system is made to protect
Uniformity is held, effective nucleation and growth for solving local overcooling or overheat and influencing crystal；Thermometer 43 is single with cooling simultaneously
Member linkage, can be arranged temperature cooling rate, cooling rate can be made to match with crystal nucleation, the speed of growth, crystal growth is made to obtain
Uniformly.
The utility model embodiment provides a kind of reaction unit being used to prepare big proportion and bulky grain crystal comprising anti-
Answer tank, feeding mechanism and rabbling mechanism, the top of the retort that at least one feeding mechanism, the rabbling mechanism setting are set
In retort；The cavity of the retort is from top to bottom divided into first area, second area and third region, the third area
The diameter in domain is less than enrichment of the diameter of first area for accelerating crystal grain, in this way, the utility model is provided with accurately
The retort main equipment in the auxiliary bodies such as temperature conditioning unit, feeding mechanism, rabbling mechanism and special geometric space, shape knot
Structure is compact, beautiful, strong applicability；By the comprehensive design to retort special geometric space, feeding mechanism and rabbling mechanism, make
Crystal is nucleated in first area, enters second area after nucleation, it is to be grown to a certain extent after, solid particles sediment to third area
The bottom in domain helps speed up the enrichment of solid particle, with bottom solid since the diameter in third region is less than first area
The enrichment of particle, material concentration increase, and make the section of the metastable region between its supersaturated region and saturation solubility curve that can become
Greatly, the growth for being conducive to particle, to obtain big proportion, bulky grain crystal.
The utility model has the advantages that：
1, the setting of feeding mechanism makes it have and accurately controls feed rate ability, to control the concentration of reaction system；
2, the setting of temperature conditioning unit, the ability for making it have precise control of temperature make the temperature of reaction system keep equal
It is even consistent, to prevent local overcooling or overheat, influence nucleation and the growth of crystal；And have accurate suspension cooling circulation mechanism,
So that cooling rate is matched with crystal nucleation, the speed of growth, crystal growth is made to obtain uniformly；
3, the setting of the special construction and rabbling mechanism of retort, the ability for making it have control reaction speed reduce
Crystallization rate avoids many tiny nucleus of the crystal production of spontaneous nucleation to prevent the appearance of spontaneous nucleation, big to obtain
The crystal of the big proportion of particle.
The above, the only preferred embodiment of the utility model, are not intended to limit the protection of the utility model
Range.
Claims (10)
1. a kind of reaction unit being used to prepare big proportion and bulky grain crystal, which is characterized in that it includes retort, charger
At least one feeding mechanism is arranged in the top of structure and rabbling mechanism, the retort, and the rabbling mechanism is arranged in retort；
The cavity of the retort is from top to bottom divided into first area, second area and third region, and the diameter in the third region is small
Diameter in first area is used to accelerate the enrichment of crystal grain.
2. a kind of reaction unit being used to prepare big proportion and bulky grain crystal according to claim 1, which is characterized in that
The diameter ratio in the first area and third region is 1:1~5:1, height and second area and the third area of the first area
The ratio of the height sum in domain is 1:1~5:1.
3. a kind of reaction unit being used to prepare big proportion and bulky grain crystal according to claim 2, which is characterized in that
The rabbling mechanism includes stirring motor, agitating shaft, agitating paddle component, guide shell and baffle, and the stirring motor is arranged anti-
The top of tank, the agitating paddle component is answered to be arranged in retort and connect by agitating shaft with stirring motor, the water conservancy diversion
Cylinder setting is in retort and is located at third region, and the baffle is arranged along the axial of reaction top tank structure, and the one of the baffle
The inner wall of retort is fixed at end, and the other end bends to horizontal direction and for connecting the guide shell.
4. a kind of reaction unit being used to prepare big proportion and bulky grain crystal according to claim 3, which is characterized in that
The agitating paddle component includes the first agitating paddle, the second agitating paddle and third agitating paddle from top to bottom set gradually, and described
Two agitating paddles and third agitating paddle are respectively positioned in guide shell.
5. a kind of reaction unit being used to prepare big proportion and bulky grain crystal according to claim 4, which is characterized in that
The diameter of first agitating paddle, the second agitating paddle and third agitating paddle is the 30~70% of retort base diameter, described
First agitating paddle, the second agitating paddle and third agitating paddle are four leaf agitating paddles of 45 ° of gradients, the third agitating paddle with it is anti-
The distance of tank bottom wall is answered to be more than 0.5 times of diameter of third agitating paddle.
6. a kind of reaction unit being used to prepare big proportion and bulky grain crystal according to claim 5, which is characterized in that
The 40~80% of a diameter of retort base diameter of the guide shell, the height of guide shell are the diameter of bottom third agitating paddle
1~6 times.
7. a kind of reaction unit being used to prepare big proportion and bulky grain crystal according to claim 6, which is characterized in that
The quantity of the baffle is 1~6, and the ratio of the width of the baffle and the diameter of retort is 1:10~1:50.
8. a kind of reaction unit being used to prepare big proportion and bulky grain crystal according to claim 1-7 any one,
It is placed it is characterized in that, offering at least one charging nozzle, thermometer with feeding mechanism cooperation at the top of the retort
Mouth, pressure gauge place mouth and manhole, the bottom of the retort offer discharge port, and the outer layer of the retort is provided with cycle
Dielectric interlayer, the circulatory mediator interlayer are provided with circulatory mediator import and circulatory mediator outlet.
9. a kind of reaction unit being used to prepare big proportion and bulky grain crystal according to claim 8, which is characterized in that
The feeding mechanism includes stock chest and feed pipe, and the feed pipe is for connecting stock chest and charging nozzle, the feed pipe
On be provided with valve, pump, flowmeter and pH meter.
10. a kind of reaction unit being used to prepare big proportion and bulky grain crystal according to claim 9, feature exist
In further including temperature conditioning unit, the temperature conditioning unit includes water-bath cycling element, steam heating unit and thermometer, the water-bath
Cycling element and steam heating unit are connected to by pipeline with circulatory mediator interlayer, and the pipeline is provided with valve；The temperature
Degree meter is set to thermometer and places in mouth and link with water-bath cycling element and steam heating unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721637753.9U CN207872144U (en) | 2017-11-30 | 2017-11-30 | A kind of reaction unit being used to prepare big proportion and bulky grain crystal |
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|---|---|---|---|
| CN201721637753.9U CN207872144U (en) | 2017-11-30 | 2017-11-30 | A kind of reaction unit being used to prepare big proportion and bulky grain crystal |
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| CN207872144U true CN207872144U (en) | 2018-09-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109847677A (en) * | 2017-11-30 | 2019-06-07 | 格林美股份有限公司 | It is used to prepare the reaction unit of big specific gravity and bulky grain crystal |
-
2017
- 2017-11-30 CN CN201721637753.9U patent/CN207872144U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109847677A (en) * | 2017-11-30 | 2019-06-07 | 格林美股份有限公司 | It is used to prepare the reaction unit of big specific gravity and bulky grain crystal |
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