CN217745805U - Box-type chaotic mixing and clarifying extraction tank - Google Patents
Box-type chaotic mixing and clarifying extraction tank Download PDFInfo
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- CN217745805U CN217745805U CN202220168123.6U CN202220168123U CN217745805U CN 217745805 U CN217745805 U CN 217745805U CN 202220168123 U CN202220168123 U CN 202220168123U CN 217745805 U CN217745805 U CN 217745805U
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- 238000002156 mixing Methods 0.000 title claims abstract description 129
- 238000000605 extraction Methods 0.000 title claims abstract description 68
- 230000000739 chaotic effect Effects 0.000 title claims abstract description 62
- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 239000000725 suspension Substances 0.000 claims abstract description 17
- 238000005352 clarification Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 88
- 238000002386 leaching Methods 0.000 claims description 59
- 239000012074 organic phase Substances 0.000 claims description 56
- 239000002253 acid Substances 0.000 claims description 55
- 238000003756 stirring Methods 0.000 claims description 31
- 230000009467 reduction Effects 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 5
- 235000021110 pickles Nutrition 0.000 claims 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 6
- 238000004945 emulsification Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910052725 zinc Inorganic materials 0.000 description 6
- 239000011701 zinc Substances 0.000 description 6
- 239000007791 liquid phase Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000570 Cupronickel Inorganic materials 0.000 description 3
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 229910052738 indium Inorganic materials 0.000 description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 3
- 239000003350 kerosene Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 150000004965 peroxy acids Chemical class 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000009856 non-ferrous metallurgy Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model relates to a chaos clarification extraction tank of mixing of box belongs to extraction agitating unit field. This chaotic mixing chamber of extraction tank and clarification chamber, chaotic mixing chamber passes through overflow mouth and clarification chamber intercommunication, the extraction tank still includes PLC control system and PC monitoring system, PLC control system links to each other through data transmission line with PC monitoring system, PLC control system includes motor speed detection device, chaotic time delay feedback control device, current controller, PI regulator, PWM converter and DC power supply, the lateral wall of chaotic mixing chamber all is equipped with suspension type H type baffle, vertically be equipped with the bar type in the clarification chamber and keep off the flow board. The utility model discloses improve mixing efficiency and extraction rate effectively, practiced thrift the energy consumption, improved economic benefits to the controllability is strong.
Description
Technical Field
The utility model relates to a chaos clarification extraction tank that mixes of box belongs to the nonferrous metallurgy equipment technical field of wet process and the solid useless processing technique field of bulk industry.
Background
Extraction is a key step of wet nonferrous metallurgy, and relates to a plurality of fields of metallurgy, chemical industry and the like. The existing organic solvent extraction equipment is mainly formed by connecting a plurality of unit box type mixing and clarifying extraction tanks in series, is the most widely used extraction equipment at present, and has a plurality of problems in practical industrial application: firstly, aiming at the problem of poor extraction effect of a mixing and clarifying extraction tank, the existing solution is to increase the number of tanks connected in series, which leads to the increase of the occupied area of equipment, the overstaffed production line and the increase of retention amount of acid leaching reducing solution; secondly, aiming at the problem of low mixing efficiency in a mixing chamber, the existing solution is to increase the stirring rotating speed of the mixing chamber, so that the phenomena of overlarge power consumption and obvious over-mixing emulsification of the acid leaching reducing solution are caused; thirdly, an in-situ production monitoring system is lacked, and the monitoring of the production working condition depends on manual experience.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a box-type chaotic mixing and clarifying extraction tank aiming at the defects in the prior art, wherein a suspension type H-shaped baffle and a grid-shaped baffle are added to block flow of a mixed material, the material is fully contacted by utilizing fluid collision in the flow blocking process, and an optimization scheme for reducing the series quantity of the extraction tanks is provided; and the stirring device is controlled by the chaotic rotating speed, so that the stirring device runs at the chaotic low rotating speed, and the problem of easy emulsification in the traditional extraction process is effectively solved.
In order to solve the technical problem, the utility model provides a chaos of box mixes clarification extraction tank, including chaos mixing chamber 1 and clarification chamber 3, chaos mixing chamber 1 is through overflow mouth and 3 intercommunications of clarification chamber, the extraction tank still includes PLC control system 4 and PC monitoring system 5, and PLC control system 4 passes through data transmission line with PC monitoring system 5 and links to each other, and speed sensor 17 and 4 electric connection of PLC control system, chaos mixing chamber 1's lateral wall all are equipped with suspension type H type baffle 2, and suspension type H type baffle 2 can effectively reduce the mixed organic phase and the tendency that the acid soaks the reduction liquid centrifugation in the mixing process, further promotes to mix.
The chaotic mixing chamber 1 is internally provided with a stirring device 7, the output end of a motor 6 is connected with the stirring device 7, the input end of the motor is connected with a rotating speed sensor 17, a suspension type H-shaped baffle 2 consists of a left baffle 2-1, a right upper baffle 2-3 and a right lower baffle 2-4, the left baffle 2-1 is respectively connected with the right upper baffle 2-3 and the right lower baffle 2-4 through a connecting column 2-2, and a gap is reserved between the right upper baffle 2-3 and the right lower baffle 2-4. The blades of the stirring device 7 run in the gaps between the right upper baffle 2-3 and the right lower baffle 2-4, and the matching of the stirring device 7 and the suspension type H-shaped baffle 2 effectively promotes the mixing of liquid phases and effectively solves the problem of easy emulsification. A grid type flow baffle plate 12 is longitudinally arranged in the clarification chamber 3, the grid type flow baffle plate 12 is used for blocking the mixed materials overflowed into the clarification chamber, the materials are fully contacted by utilizing the fluid collision in the flow blocking process, and an extraction effect optimization scheme of non-increased equipment is provided. The PLC control system 4 is composed of a chaotic delay feedback control device 4-1, a current controller 4-2, a PI regulator 4-3 and a PWM inverter 4-4, the chaotic delay feedback control device 4-1, the current controller 4-2, the PI regulator 4-3 and the PWM inverter 4-4 are sequentially connected, and the PWM inverter 4-4 is connected with a direct current power supply 4-5.
The bottom of the chaotic mixing chamber 1 is provided with a mixed organic phase inlet 8 and an acid leaching reducing liquid inlet 9, the upper part of the side wall of the clarifying chamber 3 is provided with a mixed organic phase outlet 15, the lower part of the side wall of the clarifying chamber 3 is provided with an acid leaching reducing liquid outlet 16, the bottom of the chaotic mixing chamber 1 is connected with the clarifying chamber 3 through an acid leaching reducing liquid return pipe 11, a mixed organic phase return pipe 13 is arranged in the clarifying chamber 3, one end of the mixed organic phase return pipe 13 is positioned at the upper liquid position, and the other end of the mixed organic phase return pipe is connected with the bottom of the chaotic mixing chamber 1.
The gap between the right upper baffle 2-3 and the right lower baffle 2-4 is 0.5-2cm, and a blade of the stirring device runs in the gap.
The grid-type flow baffle 12 is provided with a flow blocking piece, so that mixed liquid can be further blocked, and the liquid can be fully mixed again.
The difference between the length of the left baffle 2-1 and the height of the chaotic mixing chamber 1 is 2-10 cm, and the distance between the left baffle 2-1 and the chamber wall is 1-5 cm. The length of the right upper baffle 2-3 is less than 5-10cm of the distance from the top surface of the blade of the stirring device 7 to the top of the inner wall of the mixing chamber, and the length of the right lower baffle 2-4 is less than 5-10cm of the distance from the bottom surface of the blade of the stirring device 7 to the bottom of the inner wall of the mixing chamber.
The acid leaching reducing liquid return pipe 11 is provided with an acid leaching reducing liquid return pipe piston 10, and the mixed organic phase return pipe 13 is provided with a mixed organic phase return pipe piston 14.
Flow meters are arranged at the mixed organic phase inlet 8 and the acid leaching reducing liquid inlet 9, and the feeding flow rate can be set and monitored through the PC monitoring system 5.
The acid leaching reducing liquid return pipe 11 and the mixed organic phase return pipe 13 are respectively connected with an electric pump.
The torque calculation formula of the chaotic delay feedback control device 4-1 is as follows:
wherein the content of the first and second substances,
in order to calculate the obtained reference torque, mu is a torque parameter, B is a viscosity coefficient of the motor, B is determined by the motor parameter, xi is a speed parameter, tau is a time delay parameter, t is time, xi and tau are set according to the target rotating speed, and omega is the operating rotating speed of the motor. The motor can be selected according to different working conditions, and the requirement can be met.
The selection ranges of the torque coefficient mu, the speed coefficient xi, the delay coefficient tau and the motor running speed omega in the torque calculation formula are respectively 3-60, 20-60, 5-15 s and 20-320rpm.
The rotating speed range of the stirring device 7 is 20-320rpm, so that the liquid can be fully stirred and fused, and the emulsification problem can be solved.
The utility model discloses during the use, concrete step is:
(1) Selecting a torque coefficient mu, a speed coefficient xi, a delay coefficient tau and motor operation according to actual use requirementsRotation speed omega, calculating reference torque
Relevant parameters are input into the PLC monitoring system, a motor chaotic rotating speed signal is output through the PLC control system, and the stirring device is driven to operate at a chaotic low rotating speed.
(2) The acid leaching reducing liquid and the mixed organic phase are conveyed into the mixing chamber 1 through the acid leaching reducing liquid inlet 9 and the mixed organic phase inlet 8, materials fully collide with the suspension type H-shaped baffle 2 in the liquid phase mixing process, the complex manifold caused by collision can effectively damage the mixing isolation region to promote mixing, and the liquid phase is fully mixed through the matching of the stirring device 7 and the suspension type H-shaped baffle 2.
(3) The mixed liquid in the mixing chamber 1 overflows into the clarifying chamber 3 through an overflow port, the liquid after standing in the clarifying chamber 3 is divided into two layers, and the mixed organic phase is arranged above and the acid leaching reducing liquid is arranged below.
(4) And opening the acid leaching reducing liquid return pipe piston and the mixed organic phase return pipe piston, sucking one part of layered liquid back to the mixing chamber through the return pipe, and sucking the other part of layered liquid from the mixed organic phase outlet and the acid leaching reducing liquid outlet to flow to the next-stage chaotic mixing and clarifying extraction tank through the hose. Repeating the steps until the extraction is finished.
The utility model discloses the demand of box chaos mixed clarification extraction tank according to actual demand or technology, but monopole operation, also multistage series connection of multislot realizes multistage continuous extraction, and it can to satisfy the actual demand.
The utility model discloses rational in infrastructure, utilize suspension type H type baffle and bars form to keep off and flow the board and carry out the choked flow to the misce bene, utilize the fluid collision of choked flow process to make the material fully contact, agitating unit is with chaos low rotational speed operation, effectively solves the problem of traditional extraction in-process easy emulsification. The utility model discloses mixing efficiency and extraction rate have been improved effectively to practice thrift the energy consumption, improved economic benefits.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic side view of the present invention.
Fig. 4 is a schematic structural view of the suspension type H-shaped baffle of the present invention.
Fig. 5 is a schematic structural view of the grid-type baffle plate of the present invention.
FIG. 6 is a schematic structural view of an 8-blade straight-blade turbine blade in the example.
FIG. 7 is a schematic top view of an 8-blade straight-blade turbine blade in the embodiment.
In the figure, 1-chaotic mixing chamber, 2-suspension type H-shaped baffle plate, 2-1-left baffle plate, 2-2-connecting column, 2-3-right upper baffle plate, 2-4-right lower baffle plate, 3-clarification chamber, 4-PLC control system, 4-1-chaotic time-delay feedback control device, 4-2-current controller, 4-3-PI regulator, 4-4-PWM converter, 4-5-DC power supply, 5-PC monitoring system, 6-motor, 7-stirring device, 8-mixed organic phase inlet, 9-acid leaching reducing liquid inlet, 10-acid leaching reducing liquid return pipe piston, 11-acid leaching reducing liquid return pipe, 12-grid baffle plate, 13-mixed organic phase return pipe, 14-mixed organic phase return pipe piston, 15-mixed organic phase outlet, 16-acid leaching reducing liquid outlet, 17-rotation speed sensor.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided in conjunction with the accompanying drawings, and the technology or products not mentioned in the embodiments are all conventional technologies or conventional products available through purchase. The structural features which are not described can be realized by adopting the conventional structure.
Example 1: as shown in fig. 1-7, the box-type chaotic mixing and clarifying extraction tank comprises a chaotic mixing chamber 1 and a clarifying chamber 3, wherein the chaotic mixing chamber 1 is communicated with the clarifying chamber 3 through an overflow port, the extraction tank further comprises a PLC (programmable logic controller) control system 4 and a PC (personal computer) monitoring system 5, the PLC control system 4 is connected with the PC monitoring system 5 through a data transmission line, the side walls of the chaotic mixing chamber 1, which are electrically connected with the PLC control system 4, of a rotating speed sensor 17 are respectively provided with a suspension type H-shaped baffle 2, the suspension type H-shaped baffle 2 collides with a liquid phase in a mixing process, and the isolated region is effectively destroyed by the manifold caused by collision, so that the mixing is further promoted.
The chaotic mixing chamber 1 is internally provided with 8-blade straight-blade turbine blades, the output end of the motor 6 is connected with the 8-blade straight-blade turbine blades, and the input end of the motor is connected with the rotating speed sensor 17. The suspension type H-shaped baffle 2 is composed of a left baffle 2-1, a right upper baffle 2-3 and a right lower baffle 2-4, the left baffle 2-1 is respectively connected with the right upper baffle 2-3 and the right lower baffle 2-4 through connecting columns 2-2, a gap between the right upper baffle 2-3 and the right lower baffle 2-4 is 2cm, the length of the right upper baffle 2-3 is smaller than 10cm of the distance from the top surface of a blade of an 8-blade straight-blade turbine paddle to the top of the inner wall of the mixing chamber, the length of the right lower baffle 2-4 is smaller than 10m of the distance from the bottom surface of the blade of the 8-blade straight-blade turbine paddle to the bottom of the inner wall of the mixing chamber, the difference between the length of the left baffle 2-1 and the height of the chaotic mixing chamber 1 is 10cm, and the interval between the left baffle 2-1 and the inner wall of the mixing chamber 1 is 1cm.
The blades of the 8-blade straight-blade turbine impeller operate in a chaotic low-rotating-speed mode at 70-80 rpm change in a gap between the upper right baffle 2-3 and the lower right baffle 2-4, and the 8-blade straight-blade turbine impeller and the suspension type H-shaped baffle 2 are matched to effectively promote the mixing of a liquid phase and effectively solve the problem of easiness in emulsification. A grid-type flow baffle plate 12 is longitudinally arranged in the clarification chamber 3, and a flow choking part is arranged on the grid-type flow baffle plate 12, so that mixed liquid can be further choked, and the liquid is fully mixed again.
The PLC control system 4 is composed of a chaotic delay feedback control device 4-1, a current controller 4-2, a PI regulator 4-3 and a PWM inverter 4-4, the chaotic delay feedback control device 4-1, the current controller 4-2, the PI regulator 4-3 and the PWM inverter 4-4 are sequentially connected, and the PWM inverter 4-4 is connected with a direct current power supply 4-5.
The bottom of the chaotic mixing chamber 1 is provided with a mixed organic phase inlet 8 and an acid leaching reducing liquid inlet 9, flow meters are arranged at the mixed organic phase inlet 8 and the acid leaching reducing liquid inlet 9, and the feeding flow rate can be set and monitored through a PC monitoring system 5.
The upper part of the side wall of the clarifying chamber 3 is provided with a mixed organic phase outlet 15, the lower part of the side wall of the clarifying chamber 3 is provided with an acid leaching reducing liquid outlet 16, the bottom of the chaotic mixing chamber 1 is connected with the clarifying chamber 3 through an acid leaching reducing liquid return pipe 11, a mixed organic phase return pipe 13 is arranged in the clarifying chamber 3, one end of the mixed organic phase return pipe 13 is positioned at the upper liquid position, and the other end of the mixed organic phase return pipe is connected with the bottom of the chaotic mixing chamber 1. The acid leaching reducing liquid return pipe 11 is provided with an acid leaching reducing liquid return pipe piston 10, and the mixed organic phase return pipe 13 is provided with a mixed organic phase return pipe piston 14. The acid leaching reducing liquid return pipe 11 and the mixed organic phase return pipe 13 are respectively connected with an electric pump.
The torque calculation formula of the chaotic delay feedback control device 4-1 is as follows:
wherein the content of the first and second substances,
in order to calculate the obtained reference torque, mu is a torque parameter, B is a viscosity coefficient of the motor, B is determined by the motor parameter, xi is a speed parameter, tau is a time delay parameter, t is time, xi and tau are set according to the target rotating speed, and omega is the operating rotating speed of the motor.
The device is used for extracting metal indium under the unipolar operation, firstly, a PC monitoring system of a computer sets control parameters, a torque coefficient mu is set to be 3, a speed coefficient xi is set to be 60, a delay coefficient tau is set to be 15S, a motor running rotating speed omega is 80rpm, an extractant P204 and kerosene mixture enters a mixing chamber through a mixed organic phase inlet 8, and acid leaching reducing liquid of zinc enters the mixing chamber through an acid leaching reducing liquid inlet 9. The PLC control device outputs a motor rotating speed signal to drive the stirring paddle to run at a chaotic low rotating speed changed at 70rpm, the extractant P204 and the acid leaching reducing liquid of zinc are fully mixed under the action of the self-suction 8-blade stirring paddle, the rotating speed sensor receives the motor rotating speed signal and transmits the motor rotating speed signal back to the PC monitoring system 5, and an operator can observe the real-time rotating speed of the motor on a computer. The mixed liquid in the mixing chamber enters the clarifying chamber through an overflow port and fully collides with the grid-type flow baffle plate 12, the liquid after standing in the clarifying chamber is divided into two layers, the mixed organic phase is above and below the acid leaching reducing liquid, and the raffinate is recovered through a mixed organic phase outlet 15 and a peracid leaching reducing liquid outlet 16. Opening the return pipe piston, pumping part of the layered liquid back to the mixing chamber via the return pipe and further mixing and extracting.
Example 2: as shown in the figures 1-7, in the case-type chaotic mixing and clarifying extraction tank, the gap between the right upper baffle 2-3 and the right lower baffle 2-4 is 1cm, the length of the right upper baffle 2-3 is less than 8cm of the distance from the top surface of the blade of the 8-blade straight-blade turbine impeller to the top of the inner wall of the mixing chamber, the length of the right lower baffle 2-4 is less than 8m of the distance from the bottom surface of the blade of the 8-blade straight-blade turbine impeller to the bottom of the inner wall of the mixing chamber, the difference between the length of the left baffle 2-1 and the height of the chaotic mixing chamber 1 is 8cm, and the interval between the left baffle 2-1 and the inner wall of the mixing chamber 1 is 3cm. The rest of the structure is the same as in example 1.
The device is used for extracting metal indium under monopolar operation, firstly, a PC monitoring system of a computer is used for setting control parameters, a torque coefficient mu is set to be 60, a speed coefficient xi is set to be 20, a delay coefficient tau is set to be 5S, a motor running rotating speed omega is 50rpm, an extractant P204 and kerosene mixture enters a mixing chamber through a mixed organic phase inlet 8, and acid leaching reducing liquid of zinc enters the mixing chamber through an acid leaching reducing liquid inlet 9. The PLC control device outputs a motor rotating speed signal to drive the stirring paddle to run at a chaotic low rotating speed changed by 20rpm, the extractant P204 and the acid leaching reducing liquid of zinc are fully mixed under the action of the self-suction 8-blade stirring paddle, the rotating speed sensor 4-1 receives the motor rotating speed signal and transmits the motor rotating speed signal back to the PC monitoring system 5, and an operator can observe the real-time rotating speed of the motor on a computer. The mixed liquid in the mixing chamber enters the clarifying chamber through an overflow port and fully collides with the grid flow baffle plate 12, the liquid after standing in the clarifying chamber is divided into two layers, the mixed organic phase is arranged above and below the acid leaching reducing liquid, and the raffinate is recovered through a mixed organic phase outlet 15 and a peracid leaching reducing liquid outlet 16. Opening the return pipe piston, pumping part of the layered liquid back to the mixing chamber via the return pipe, and continuing to mix and extract.
Example 3: as shown in the figures 1-7, in the case-type chaotic mixing and clarifying extraction tank, the gap between the right upper baffle 2-3 and the right lower baffle 2-4 is 0.5cm, the length of the right upper baffle 2-3 is less than 5cm of the distance from the top surface of the blade of the 8-blade straight-blade turbine impeller to the top of the inner wall of the mixing chamber, the length of the right lower baffle 2-4 is less than 5m of the distance from the bottom surface of the blade of the 8-blade straight-blade turbine impeller to the bottom of the inner wall of the mixing chamber, the difference between the length of the left baffle 2-1 and the height of the chaotic mixing chamber 1 is 2cm, and the interval between the left baffle 2-1 and the inner wall of the mixing chamber 1 is 5cm. The rest of the structure is the same as in example 1.
The device is used for realizing two-stage continuous extraction of metal indium under the two-stage series connection of two tanks. Firstly, a PC monitoring system of a computer sets control parameters of two motors, a torque coefficient mu is set to be 60, a speed coefficient xi is set to be 20, a delay coefficient tau is set to be 5S, and a motor running rotating speed omega is 200rpm. The extractant P204 and the kerosene mixture enter a mixing chamber of a first-stage mixing and clarifying extraction tank through a mixed organic phase inlet 8, and the acid leaching reducing solution of zinc enters the mixing chamber of the first-stage mixing and clarifying extraction tank through an acid leaching reducing solution inlet 9. The PLC control device outputs motor rotating speed signals to drive the stirring paddles of the two mixing and clarifying extraction tanks to run at chaotic low rotating speed changed by 100rpm, an extractant P204 and the acid leaching reducing liquid of zinc are fully mixed in a mixing chamber of the primary mixing and clarifying extraction tank under the action of the self-suction 8-straight-blade stirring paddle, a rotating speed sensor receives the rotating speed signals of the two motors and transmits the rotating speed signals back to the PC monitoring system 5, and an operator can observe the real-time rotating speeds of the two motors on a computer. The mixed liquid in the mixing chamber of the first-stage mixing and clarifying extraction tank enters the clarifying chamber through an overflow port, fully collides with the grid-shaped flow baffle plate 12, and the raffinate is recovered in the clarifying chamber 15 of the first-stage mixing and clarifying extraction tank and the acid leaching reduction liquid outlet 16. The return tube piston is opened and a portion of the stratified liquid is drawn back into the mixing chamber through the return tube. The extract liquid from the mixed organic phase outlet 15 of the first-stage mixed clarifying extraction tank and the raffinate from the acid leaching reducing liquid outlet 16 respectively enter a mixing chamber through a rubber pipe and a mixed organic phase inlet 8 and an acid leaching reducing liquid inlet 9 of the second-stage mixed clarifying extraction tank, are mixed under the action of an 8-blade straight-blade stirring paddle of the second-stage mixed clarifying extraction tank, then overflow into a clarifying chamber of the second-stage mixed clarifying extraction tank, fully collide with a grid-type baffle plate 12, the liquid after standing in the clarifying chamber of the first-stage mixed clarifying extraction tank is divided into two layers, the mixed organic phase is under the upper acid leaching reducing liquid, the extract liquid is recovered through the mixed organic phase outlet 15, and the raffinate is recovered through the acid leaching reducing liquid outlet 16. The return tube piston is opened and a portion of the stratified liquid is drawn back into the mixing chamber through the return tube.
Example 4: as shown in figures 1-7, in the chaotic mixing and clarifying extraction tank, a gap between a right upper baffle plate 2-3 and a right lower baffle plate 2-4 is 2cm, the length of the right upper baffle plate 2-3 is less than 10cm of the distance from the top surface of a blade of an 8-blade straight-blade turbine paddle to the top of the inner wall of a mixing chamber, the length of the right lower baffle plate 2-4 is less than 10m of the distance from the bottom surface of the blade of the 8-blade straight-blade turbine paddle to the bottom of the inner wall of the mixing chamber, the difference between the length of a left baffle plate 2-1 and the height of a chaotic mixing chamber 1 is 8cm, and the interval between the left baffle plate 2-1 and the inner wall of the mixing chamber 1 is 2cm. The rest of the structure is the same as in example 1.
The device is used for extracting iron from a neutral extractant under the condition of monopolar operation, firstly, control parameters are set in a PC monitoring system of a computer, a torque coefficient mu is set to be 50, a speed coefficient xi is set to be 30, a delay coefficient tau is set to be 10S, the motor running speed omega is 320rpm, the extractant 4-TBP-Solvesso 100 enters a mixing chamber through a mixed organic phase inlet 8, and hydrochloric acid leachate of copper nickel matte enters the mixing chamber through an acid leaching reducing liquid inlet 9. The PLC control device outputs a motor rotating speed signal to drive the stirring paddle to run at a chaotic low rotating speed changed at 180rpm, the extracting agent 4 percent of TBP-Solvesso100 and the hydrochloric acid leaching solution of copper nickel matte are fully mixed under the action of the self-suction 8-blade stirring paddle, the rotating speed sensor receives the motor rotating speed signal and transmits the motor rotating speed signal back to the PC monitoring system 5, and an operator can observe the real-time rotating speed of the motor on a computer. The mixed liquid in the mixing chamber enters the clarifying chamber through an overflow port and fully collides with the grid flow baffle plate 12, the liquid after standing in the clarifying chamber is divided into two layers, the mixed organic phase is arranged above and below the acid leaching reducing liquid, and the raffinate is recovered through a mixed organic phase outlet 15 and a peracid leaching reducing liquid outlet 16. Opening the return pipe piston, pumping part of the layered liquid back to the mixing chamber via the return pipe, and continuing to mix and extract.
Example 5: as shown in figures 1-7, in the chaotic mixing and clarifying extraction tank, a gap between a right upper baffle plate 2-3 and a right lower baffle plate 2-4 is 0.5cm, the length of the right upper baffle plate 2-3 is less than 5cm of the distance from the top surface of a blade of an 8-blade straight-blade turbine impeller to the top of the inner wall of a mixing chamber, the length of the right lower baffle plate 2-4 is less than 5m of the distance from the bottom surface of the blade of the 8-blade straight-blade turbine impeller to the bottom of the inner wall of the mixing chamber, the difference between the length of a left baffle plate 2-1 and the height of the chaotic mixing chamber 1 is 2cm, and the interval between the left baffle plate 2-1 and the inner wall of the mixing chamber 1 is 5cm. The rest of the structure is the same as in example 1.
The device is used for realizing two-stage continuous extraction of neutral extractant iron in two-stage series connection of two tanks. Firstly, the control parameters of two motors are set in a PC monitoring system of a computer, a torque coefficient mu is set to be 40, a speed coefficient xi is set to be 30, a delay coefficient tau is set to be 10S, and the motor running speed omega is 20rpm. The extractant 4 percent of TBP-Solvesso100 enters a mixing chamber of a first-stage mixing and clarifying extraction tank through a mixed organic phase inlet 8, and the hydrochloric acid leaching solution of copper-nickel-matte enters the mixing chamber of the first-stage mixing and clarifying extraction tank through an acid leaching reduction solution inlet 9. The PLC control device outputs motor rotating speed signals to drive the stirring paddles of the two mixing clarification extraction tanks to operate at chaotic low rotating speed changed by 320rpm, the extracting agent 4 TBP-Solvesso100 and hydrochloric acid leachate of copper nickel matte are fully mixed in a mixing chamber of the primary mixing clarification extraction tank under the action of the self-suction 8-straight-blade stirring paddle, a rotating speed sensor receives the rotating speed signals of the two motors and transmits the rotating speed signals back to the PC monitoring system 5, and an operator can observe the real-time rotating speeds of the two motors on a computer. The mixed liquid in the mixing chamber of the first-stage mixing and clarifying extraction tank enters the clarifying chamber through an overflow port, fully collides with the grid-shaped flow baffle plate 12, and the raffinate is recovered in the clarifying chamber 15 of the first-stage mixing and clarifying extraction tank and the acid leaching reduction liquid outlet 16. The return tube piston is opened and a portion of the stratified liquid is drawn back into the mixing chamber through the return tube. The extraction liquid from the mixed organic phase outlet 15 of the first-stage mixed clarifying extraction tank and the raffinate from the acid leaching reduction liquid outlet 16 respectively enter a mixing chamber through a rubber tube and a mixed organic phase inlet 8 and an acid leaching reduction liquid inlet 9 of the second-stage mixed clarifying extraction tank, are mixed under the action of an 8-blade straight-blade stirring paddle of the second-stage mixed clarifying extraction tank, then overflow into a clarifying chamber of the second-stage mixed clarifying extraction tank and fully collide with a grid-type baffle plate 12, the liquid after standing in the clarifying chamber of the first-stage mixed clarifying extraction tank is divided into two layers, the mixed organic phase is at the upper acid leaching reduction liquid, the extraction liquid is recovered through the mixed organic phase outlet 15, and the raffinate is recovered through the acid leaching reduction liquid outlet 16. The return tube piston is opened and a portion of the stratified liquid is drawn back into the mixing chamber through the return tube.
The technical contents of the present invention have been described above with reference to the accompanying drawings, but the protection scope of the present invention is not limited to the contents, and within the knowledge scope possessed by the ordinary skilled in the art, various changes can be made to the technical contents of the present invention without departing from the spirit of the present invention, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides a case type chaos mixing and clarifying extraction tank, includes chaos mixing chamber (1) and clarifying chamber (3), and chaos mixing chamber (1) is through overflow mouth and clarifying chamber (3) intercommunication, its characterized in that: the extraction tank also comprises a PLC control system (4) and a PC monitoring system (5), the PLC control system (4) is connected with the PC monitoring system (5) through a data transmission line, a rotating speed sensor (17) is electrically connected with the PLC control system (4), the side walls of the chaotic mixing chamber (1) are respectively provided with a suspension type H-shaped baffle (2), a stirring device (7) is arranged in the chaotic mixing chamber (1), the output end of a motor (6) is connected with the stirring device (7), the input end of the motor is connected with the rotating speed sensor (17), the suspension type H-shaped baffle (2) consists of a left baffle (2-1), a right upper baffle (2-3) and a right lower baffle (2-4), the left baffle (2-1) is respectively connected with the right upper baffle (2-3) and the right lower baffle (2-4) through a connecting column (2-2), a gap is reserved between the right upper baffle (2-3) and the right lower baffle (2-4), a grid type baffle plate (12) is longitudinally arranged in the clarification chamber (3), the PLC control system (4) is composed of a chaos delay feedback control device (4-1), a current controller (4-2), a PI regulator (4-3) and a PWM inverter (4-4), the chaos delay feedback control device (4-1), the current controller (4-2) and the PWM inverter are arranged in sequence, and the chaos delay feedback control device (4-1), the current controller (4-2) and the PWM inverter are arranged in sequence, the PI regulator (4-3) and the PWM inverter (4-4) are sequentially connected, and the PWM inverter (4-4) is connected with the direct current power supply (4-5); the bottom of the chaotic mixing chamber (1) is provided with a mixed organic phase inlet (8) and an acid leaching reducing liquid inlet (9), the upper part of the side wall of the clarifying chamber (3) is provided with a mixed organic phase outlet (15), the lower part of the side wall of the clarifying chamber is provided with an acid leaching reducing liquid outlet (16), the bottom of the chaotic mixing chamber (1) is connected with the clarifying chamber (3) through an acid leaching reducing liquid return pipe (11), a mixed organic phase return pipe (13) is arranged in the clarifying chamber (3), one end of the mixed organic phase return pipe (13) is positioned at the upper liquid position, and the other end of the mixed organic phase return pipe is connected with the bottom of the chaotic mixing chamber (1).
2. The chaotic mixing and clarifying extraction tank of claim 1, further comprising: the gap between the right upper baffle (2-3) and the right lower baffle (2-4) is 0.5-2cm.
3. The case-type chaotic mixing and clarifying extraction tank of claim 1, wherein: and a flow blocking piece is arranged on the grid type flow blocking plate (12).
4. The chaotic mixing and clarifying extraction tank of claim 1, further comprising: the difference between the length of the left baffle (2-1) and the height of the chaotic mixing chamber (1) is 2-10cm, the length of the right upper baffle (2-3) is smaller than 5-10cm of the distance from the top surface of a blade of the stirring device (7) to the top of the inner wall of the mixing chamber, and the length of the right lower baffle (2-4) is smaller than 5-10cm of the distance from the bottom surface of the blade of the stirring device (7) to the bottom of the inner wall of the mixing chamber.
5. The chaotic mixing and clarifying extraction tank of claim 1, further comprising: and a pickle reducing liquid return pipe piston (10) is arranged on the pickle reducing liquid return pipe (11), and a mixed organic phase return pipe piston (14) is arranged on the mixed organic phase return pipe (13).
6. The case-type chaotic mixing and clarifying extraction tank of claim 1, wherein: flow meters are arranged at the mixed organic phase inlet (8) and the acid leaching reduction liquid inlet (9), and the feeding flow rate is set and monitored through a PC monitoring system (5).
7. The case-type chaotic mixing and clarifying extraction tank of claim 1, wherein: the acid leaching reducing liquid return pipe (11) and the mixed organic phase return pipe (13) are respectively connected with an electric pump.
8. The case-type chaotic mixing and clarifying extraction tank of claim 1, wherein: the torque calculation formula of the chaotic delay feedback control device (4-1) is as follows:
，
wherein, the first and the second end of the pipe are connected with each other,
in order to calculate the resulting reference torque,
as a parameter of the torque, the torque is,
is the viscosity coefficient of the motor and is,
as a parameter of the speed, the speed of the vehicle,
in order to be a delay parameter of the time,
the motor running speed is shown, and t is the moment.
9. The case-type chaotic mixing and clarifying extraction tank of claim 8, wherein: torque coefficient in the torque calculation formula
Coefficient of velocity
Time delay coefficient
And motor running speed
The selection ranges of the (1) and (2) are respectively 3 to 60, 20 to 60,5 to 15s and 20 to 320rpm.
10. The case-type chaotic mixing and clarifying extraction tank of claim 1, wherein: the rotating speed range of the stirring device (7) is 20-320rpm.
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| CN202220168123.6U CN217745805U (en) | 2022-01-21 | 2022-01-21 | Box-type chaotic mixing and clarifying extraction tank |
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