CN110015736B - Modular likepowder flocculation medicament ration is added and dispersion hybrid system - Google Patents
Modular likepowder flocculation medicament ration is added and dispersion hybrid system Download PDFInfo
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- CN110015736B CN110015736B CN201910367942.6A CN201910367942A CN110015736B CN 110015736 B CN110015736 B CN 110015736B CN 201910367942 A CN201910367942 A CN 201910367942A CN 110015736 B CN110015736 B CN 110015736B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
- B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
- B01F33/8212—Combinations of dissimilar mixers with consecutive receptacles with moving and non-moving stirring devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
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Abstract
The invention relates to the field of flocculating agent addition in a coal slime water treatment process, in particular to a combined type quantitative adding and dispersing and mixing system for a powdery flocculating agent. The invention at least comprises a mixing and stirring barrel, and also comprises a jet flow mixing device, a stirring and dispersing device, a medicament storage system, a medicament quantitative conveying and adding system and a PLC intelligent control system. The jet mixing device and the stirring dispersion device are core devices of the invention, wherein the jet mixing device is arranged at the upper position of the center of the mixing and stirring barrel and consists of a screw pump for feeding, a pressure water pipe, an injection air pipe, a mixing chamber, a nozzle and a diffusion pipe; the stirrers of the stirring dispersion device are divided into two groups, and each stirrer consists of a stirring shaft and impellers, the rotating directions of the impellers of the two groups of stirrers are opposite, confluence in the same moving direction is formed in the middle of the mixing and stirring barrel, and the transverse turbulence of the liquid at the outlet position of the jet flow mixing device is increased; the system can realize accurate and quantitative addition of the powdery medicament and simultaneously ensure the powdery medicament to be efficiently dispersed and dissolved in the aqueous solution.
Description
Technical Field
The invention relates to the field of flocculating agent addition in a coal slime water treatment process, in particular to a combined type quantitative adding and dispersing and mixing system for a powdery flocculating agent.
Background
Most coal preparation plants in China adopt wet coal preparation, coal slime water treatment is an important link in the wet coal preparation process flow, and the coal slime water is required to be deeply clarified and the washing water is required to be circulated in a closed loop from the aspects of economy and environmental protection. Coal preparation plants usually adopt a coagulation method to treat coal slurry, wherein the coagulation method is to add a coagulant into a coal slurry system so that particles in the coal slurry system are agglomerated and then settle by gravity. The coagulant is usually an organic polymeric flocculant such as polyacrylamide, and the organic polymeric flocculant has the characteristics of large molecular weight, long side chain length and the like, so the coagulant has the defects of long dissolving time, insufficient dissolving and the like, and if the coagulant is not properly prepared, the phenomena of low medicament concentration, medicament waste and the like can be caused, and the treatment effect of the slime water can be directly influenced under serious conditions. The traditional flocculant preparation method of the coal preparation plant is to directly add the powdery flocculant into a mixing and stirring barrel for direct stirring by manpower, but the problems of reagent agglomeration, insufficient dissolution and the like are often caused by uneven feeding and insufficient mixing, and a special post driver is required to be arranged to observe the liquid level and add the powdery flocculant on time, so that certain hysteresis exists and the dosing amount has artificial deviation. Although utility model 201721157662.5 provides an adopt screw feeder feed to solve the inhomogeneous problem of feed, invention patent 201410260122.4 proposes to adopt medicament dispersion sieve to reach the purpose of medicament homodisperse in the feed process, nevertheless can't solve mix insufficient, stirring process agglomeration and storage silo agglomeration caking scheduling problem, therefore need the automatic device that adds of a likepowder flocculation medicament to solve the medicament and mix insufficient, dissolve process "swelling" agglomeration and lead to likepowder medicament to dissolve insufficient problem. (swelling means that if several powdery particles of the polymeric flocculant are gathered together and then fall into water, the surface layer of one particle expands to wrap other particles, so that the particles cannot be separated, and incomplete dissolution is caused.)
Disclosure of Invention
The invention aims to overcome the defects of the prior art and designs a combined quantitative adding and dispersing mixing system for powdery flocculating agent, which comprises a jet flow mixing device, a stirring and dispersing device, a medicament storage device, a medicament quantitative conveying and adding device and a PLC intelligent control device, ensures that the powdery medicament is added according to the required amount, the invention integrates storage, quantitative spiral feeding, automatic injection dosing, jet mixing, stirring and dispersion, has the advantages of reasonable device structure, high automation degree and the like, can avoid deviation caused by human factors in the storage, conveying and adding processes, meanwhile, the powdery medicament is ensured to be efficiently dispersed in the aqueous solution, and good flocculation medicament conditions are provided for the subsequent coal slime water treatment work.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a modular likepowder flocculation medicament ration is added and dispersion hybrid system, includes at least that the mixing agitator still includes following component parts:
the bottom of the mixing and stirring barrel is provided with a false bottom to prevent the medicament aqueous solution from directly 'mixing' from a discharge port, the barrel wall of the mixing and stirring barrel is provided with a plurality of baffles to eliminate a 'cylindrical rotating area' in the barrel and improve the stirring performance of the stirrer; the stirrers are divided into two groups, each stirrer consists of a stirring shaft and impellers, the impellers are designed in an arc shape, the stirring shafts drive the impellers to rotate, the rotating directions of the impellers of the two groups of stirrers are opposite, confluence in the same moving direction is formed in the middle of the mixing and stirring barrel, and the transverse turbulence degree of liquid at the outlet position of the jet mixing device in the middle of the barrel is increased; the jet flow mixing device is arranged at the upper part of the center of the mixing and stirring barrel and consists of a feed screw pump, a pressure water pipe, an injection air pipe, a mixing chamber, a nozzle and a diffusion pipe, wherein the injection air pipe is connected with a pneumatic conveying pipeline of a medicament quantitative conveying and adding system, a powdery medicament enters the mixing chamber of the jet flow mixing device in a dispersed state through the pneumatic conveying pipeline, preliminary dispersion of the medicament in water is realized under the jet flow impact and cutting action of the nozzle, in addition, an umbrella-shaped disperser is arranged at the outlet of the diffusion pipe, the uniform dispersion and mixing of the medicament in an aqueous solution can be further enhanced, and a liquid level measuring device is further designed above the barrel wall of the mixing and stirring barrel; the liquid level measuring device mainly comprises an ultrasonic probe and a floating ball, the floating ball is installed in a floating ball channel on the outer edge of the baffle, the floating ball vertically moves up and down along with the height of the liquid level, the influence of liquid level fluctuation caused by stirring action on a measuring result is eliminated, the liquid level measuring device transmits measured liquid level data to the PLC intelligent control system, the PLC intelligent control system conducts data analysis, if the liquid level is found to be lower than the lower limit of a set value, a screw pump for feeding the jet mixing device is started, if the liquid level is higher than the upper limit of the set value, the screw pump for feeding the jet mixing device is stopped to operate, in the process, the stirring mechanism continuously operates, and finally efficient dissolution of a medicament is achieved.
The powder medicament sucked by an injection air pipe of the jet flow mixing device comes from a screw feeder, and the screw feeder is connected with a medicament storage device; the medicament storage device comprises a storage bin, an electromagnetic vibration exciter and a star-shaped discharge valve which are sequentially connected; the upper part of the storage bin is cylindrical, the lower part of the storage bin is inverted cone-shaped, the top of the storage bin is an open type feed inlet, the bottom of the storage bin is provided with a discharge outlet, and two sides of the inverted cone at the lower part of the storage bin are provided with electromagnetic vibration exciters; the electromagnetic vibration exciter can uniformly vibrate the powdery flocculating agent in the storage bin to prevent the occurrence of arching phenomenon in the bin, and the vibrated materials are discharged from a discharge hole at the bottom of the storage bin; the discharge gate of storage silo bottom is connected the star type tripper, can guarantee that likepowder flocculation medicament unloads evenly, prevents to unload the in-process and takes place to block up, the phenomenon of conglomeration, the external screw feeder of star type tripper export, screw feeder's screw rod rotates with likepowder flocculation medicament propelling movement to pneumatic conveying pipeline, pneumatic conveying pipeline connects power supply unit-air-blower, the air-blower blast air blows in likepowder flocculation medicament in the pneumatic conveying pipeline to the injection trachea of fluidic mixing device.
The liquid level measuring device, the jet flow mixing device, the electromagnetic vibration exciter, the star-shaped discharger, the screw feeder and the air blower are intelligently associated by a PLC intelligent control system and are started or stopped simultaneously.
The invention has the beneficial effects that:
1) the jet mixing device, the stirring and dispersing device, the medicament storage device, the medicament quantitative conveying and adding device and the PLC intelligent control device are matched together to form the powdery flocculating medicament quantitative automatic adding device, the automation degree of the adding method matched with the device is greatly improved, the investment of manpower and material resources is greatly reduced, meanwhile, the medicament addition amount deviation caused by human factors is avoided, the medicaments are more uniformly dispersed and mixed in the aqueous solution, the medicament dissolving speed is higher, the medicaments are more completely dissolved, and the medicament consumption is further reduced.
2) The top of the storage bin of the medicament storage device is designed into an open type feed inlet, so that powdery materials can be poured conveniently and the situation of the material bin position can be observed conveniently, and workers can participate in other post patrol only after filling the storage bin; automatic control is realized in the storage silo unloading, and storage silo lower part back taper both sides are equipped with the electromagnetic vibration exciter and can evenly shake likepowder flocculation medicament and fall, prevent the emergence of the interior arch phenomenon of storehouse, and the star type tripper is connected to the discharge gate of storage silo bottom, can guarantee that likepowder flocculation medicament unloads evenly, prevents to unload the in-process and takes place to block up, the agglomeration phenomenon.
3) The quantitative medicament conveying and adding device mainly comprises a screw feeder, an air blower and a pneumatic conveying pipeline, wherein the screw feeder comprises a screw feeding chute, a screw push rod and a variable-frequency driving motor, the screw push rod is connected with the variable-frequency driving motor, the cross section area S of the screw feeding chute is constant, the medicament quantity M stored in unit area is constant, the feeding quantity of the screw feeder in unit time depends on the rotating speed of the screw push rod, the medicament feeding quantity Q in unit time is S multiplied by M multiplied by upsilon, and the purpose of quantitatively controlling the adding quantity of the powdery flocculating medicament is achieved by controlling the rotating speed of the screw push rod; the discharge port of the screw feeder is connected with a pneumatic conveying pipeline, the power source device of the pneumatic conveying is an air blower, and the air blower blows the powdery flocculating agent conveyed by the screw feeder into a jet flow mixing device in the agent dispersing device through the air blower.
4) The medicament dispersion operation of the invention is mainly completed by a jet flow mixing device and a stirring dispersion device together, wherein the jet flow mixing device is arranged at the upper position of the center of a mixing and stirring barrel and consists of a screw pump for feeding materials, a pressure water pipe, an injection air pipe, a nozzle, a mixing chamber, the nozzle and a diffusion pipe; the bottom of the mixing and stirring barrel is provided with a false bottom to prevent the medicament aqueous solution from directly 'mixing' from a discharge port, the barrel wall of the mixing and stirring barrel is provided with a plurality of baffles to eliminate a 'cylindrical rotating area' in the barrel and improve the stirring performance of the stirrer; the stirrers are divided into two groups, each stirrer consists of a stirring shaft and impellers, the impellers are designed in an arc shape, the stirring shafts drive the impellers to rotate, the rotating directions of the impellers of the two groups of stirrers are opposite, confluence in the same moving direction is formed in the middle of the mixing and stirring barrel, and the transverse turbulence of liquid at the outlet position of the jet mixing device in the middle of the barrel is increased; a liquid level measuring device is further designed above the barrel wall of the mixing and stirring barrel and mainly comprises an ultrasonic probe and a floating ball, the floating ball is mounted in a floating ball channel at the outer edge of the baffle plate, the floating ball vertically moves up and down along with the height of the liquid level, the influence of liquid level fluctuation caused by stirring action on a measuring result is eliminated, and the liquid level data measured by the liquid level measuring device is transmitted to the PLC intelligent control system.
5) The PLC intelligent control device can realize the linkage operation of the electromagnetic vibration exciter, the star-shaped discharger, the screw feeder, the air blower and the jet flow mixing device, and realize accurate quantitative dosing and uniform dispersion of the medicament; the liquid level measuring device transmits liquid level data of a mixing and stirring barrel to the PLC intelligent control device, the intelligent control device analyzes data, if the liquid level is lower than the lower limit of a set value, a feeding pump of the jet mixing device is started to supplement liquid water to the mixing and stirring barrel, an electromagnetic vibration exciter is started simultaneously, a star-shaped discharger and a screw feeder and an air blower blow quantitative powdery flocculating agent corresponding to the flow of the liquid water into an injection pipe of the jet mixing device, the uniform dispersion of the powdery flocculating agent in the liquid water is realized, the liquid level is higher than the upper limit of the set value, the electromagnetic vibration exciter is stopped simultaneously, the star-shaped discharger, the screw feeder, the air blower and the feeding pump of the jet mixing device operate, a stirring impeller continuously operates in the process, and the efficient dissolution of the medicament is finally realized.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a logical relationship diagram of the systems of the present invention;
FIG. 3 is a schematic front view of the jet mixing device of the configuration of FIG. 1;
FIG. 4 is a schematic top view of an umbrella-shaped disperser below the jet mixing apparatus in the configuration of FIG. 3;
the correspondence between the illustrated structures and the names of the components of the present invention is as follows:
a-medicament storage system B-medicament quantitative delivery and addition system C-medicament efficient dispersion system
D-PLC intelligent control system 1-bin cover 2-storage bin 3-electromagnetic vibration exciter 4-star-shaped discharger
5-variable frequency driving motor 6-screw feeder 6A-screw push rod 6B-screw feeding chute
7-blower 8-pneumatic conveying pipeline 9-jet flow mixing device 10-stirring dispersing device
11-stirrer 11A-stirring shaft 11B-impeller 12-liquid level measuring device
12A-ultrasonic probe 12B-floating ball 12C-floating ball channel 13-false bottom 14-discharge hole
15-pressure water pipe 16-screw pump 17-mixing stirring barrel 17A-baffle 18-pressure water pipe
19-injection air pipe 20-nozzle 21-mixing chamber 22-diffusion pipe 23-umbrella-shaped disperser
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention is applied to a powdery flocculating agent adding system in the slime water treatment process
As shown in fig. 1-3, a combined quantitative adding and dispersing mixing system for powdery flocculating agent comprises the following components:
the medicament storage device (A) comprises a storage bin (2), an electromagnetic vibration exciter (3) and a star-shaped discharge valve (4) which are sequentially connected; the upper part of the storage bin is in a barrel shape, the lower part of the storage bin is in an inverted cone shape, the top of the storage bin is an open-type feed inlet, the bottom of the storage bin is provided with a discharge outlet, electromagnetic vibration exciters (3) are arranged on two sides of the inverted cone body on the lower part of the storage bin (2), the electromagnetic vibration exciters (3) can uniformly vibrate the powdery flocculating agent in the storage bin (2) to prevent the occurrence of arching phenomenon in the bin, the vibrated material is discharged from the discharge outlet on the bottom of the storage bin, the discharge outlet on the bottom of the storage bin is connected with a star-shaped discharger (4), the powdery flocculating agent can be ensured to be uniformly discharged, the blockage and the agglomeration phenomenon in the discharging process can be prevented, and the outlet of the star-shaped discharger is externally connected with a screw feeder (6);
the quantitative medicament conveying and adding device (B) mainly comprises a screw feeder (6), a blower (7) and a pneumatic conveying pipeline (8); the screw feeder comprises a screw feeding chute (6B), a screw push rod (6A) and a variable frequency driving motor (5), the screw push rod (6A) is connected with the variable frequency driving motor (5), the star-shaped discharger (4) discharges the powdery flocculating agent into the screw feeding chute (6B), moves towards the discharge hole of the screw feeder under the pushing action of the screw push rod (6A), the rotating speed of the screw push rod (6A) is adjustable, the discharge port of the screw feeder is connected with a pneumatic conveying pipeline (8), the pneumatic conveying pipeline (8) is respectively connected with a power source device for pneumatic conveying, namely an air blower (7) and a high-efficiency medicament dispersing device, and the powdery flocculating medicament quantitatively fed by the screw feeder (6) is pneumatically conveyed to the medicament dispersing device through the air blowing operation of the air blower (7);
the efficient medicament dispersing device (C) mainly comprises a jet mixing device (9), a stirring dispersing device (10) and a liquid level measuring device (12); the jet mixing device mainly comprises a pressure water pipe (18), an injection air pipe (19), a nozzle (20), a mixing chamber (21) and a diffusion pipe (22), wherein an umbrella-shaped disperser (23) is arranged at the outlet of the diffusion pipe, so that the uniform dispersion and mixing of the medicament in the water solution can be further enhanced, and a liquid level measuring device (12) is arranged on the wall of the mixing and stirring barrel (17); the main component of the liquid level measuring device is an ultrasonic probe (12A), the ultrasonic probe (12A) is arranged perpendicular to the liquid level, and the acquired liquid level information is transmitted to the PLC intelligent control device; the stirring dispersion device (10) mainly comprises a mixing and stirring barrel (17) and two stirrers (11) which rotate reversely, a false bottom (13) is designed at the bottom of the mixing and stirring barrel to prevent the direct 'mixing' of the medicament aqueous solution from a discharge port (14), a plurality of baffles (17A) are arranged on the barrel wall of the mixing and stirring barrel to eliminate the 'cylindrical rotating area' phenomenon generated by the movement of the fluid in the barrel along the barrel wall, increase the axial turbulence degree of the liquid in the barrel and improve the stirring performance of the stirrers (11), the stirrers (11) are composed of stirring shafts (11A) and impellers (11B), the impellers (11B) are designed in an arc shape, the stirring shafts (11A) drive the impellers (11B) to rotate, the rotation directions of the impellers of the two groups of stirrers are opposite, confluence in the same movement direction is formed in the middle of the mixing and stirring barrel, and the transverse turbulence degree of the liquid at the outlet position of the middle jet flow mixing device in the barrel is increased, the continuous dispersion and mixing of the medicament in the aqueous solution are realized, and finally the efficient dissolution of the medicament is realized.
PLC intelligent control device (D), liquid level measurement device (12) give PLC intelligent control device with the liquid level data transmission of mixing agitator, intelligent control device passes through data analysis, if the liquid level is less than the lower limit of setting value, then open electromagnetic vibration exciter (3) simultaneously, star type tripper (4), screw feeder (6), pan feeding screw pump (16) of air-blower (7) and efflux mixing arrangement (9), treat that the liquid level is higher than the upper limit of setting value, stop electromagnetic vibration exciter (3) simultaneously, star type tripper (4), screw feeder (6), pan feeding screw pump (16) operation of air-blower (7) and efflux mixing arrangement (9).
In conclusion, the combined quantitative adding and dispersing and mixing system for the powdery flocculating agent fully considers the adding and dissolving characteristics of the flocculating agent in the coal slime water, has the advantages of reasonable device structure, high automation degree and the like, can avoid deviation caused by human factors in the storing, conveying and adding processes, achieves accurate quantitative adding, simultaneously ensures efficient dispersing and dissolving of the powdery flocculating agent in the water solution, provides good flocculating agent conditions for subsequent coal slime water treatment work, and obviously reduces the agent consumption cost.
Claims (2)
1. The utility model provides a modular likepowder flocculation medicament ration is added and dispersion hybrid system, includes mixing agitator (17) at least, its characterized in that still includes following component parts: the bottom of the mixing and stirring barrel (17) is provided with a false bottom (13) to prevent the direct 'mixing' of the medicament aqueous solution from the discharge port, the barrel wall of the mixing and stirring barrel (17) is provided with a plurality of baffles (17A), a 'cylindrical rotary area' in the barrel is eliminated, and the stirring performance of the stirrer (11) is improved; the stirrers (11) are divided into two groups and respectively composed of a stirring shaft (11A) and impellers (11B), the impellers (11B) are designed in an arc shape, the stirring shaft (11A) drives the impellers (11B) to rotate, the rotating directions of the impellers (11B) of the two groups of stirrers (11) are opposite, confluence in the same moving direction is formed in the middle of the mixing and stirring barrel (17), and the transverse turbulence degree of liquid at the outlet position of the middle jet mixing device (9) in the barrel is increased; the jet mixing device (9) is arranged at the upper part of the center of the mixing and stirring barrel (17) and consists of a feed screw pump (16), a pressure water pipe (15), an injection air pipe (19), a nozzle (20), a mixing chamber (21) and a diffusion pipe (22), wherein the injection air pipe (19) is connected with a pneumatic conveying pipeline (8) of the medicament quantitative conveying and adding system (B), the powdery medicament enters a mixing chamber (21) of the incident flow mixing device (9) in a dispersed state through the pneumatic conveying pipeline (8), under the jet impact and cutting action of the nozzle (20), the primary dispersion of the medicament in water is realized, in addition, an umbrella-shaped disperser (23) is arranged at the outlet of the diffusion pipe (22) to further enhance the uniform dispersion and mixing of the medicament in the aqueous solution, a liquid level measuring device (12) is arranged above the barrel wall of the mixing and stirring barrel (17); the liquid level measuring device (12) mainly comprises an ultrasonic probe (12A) and a floating ball (12B), the floating ball (12B) is installed in a floating ball channel (12C) on the outer edge of the baffle, the floating ball (12B) vertically moves up and down along with the height of the liquid level, the liquid level measuring device transmits measured liquid level data to a PLC intelligent control system (D), the PLC intelligent control system (D) starts a screw pump (16) for feeding the jet mixing device (9) through data analysis if the liquid level is lower than the lower limit of a set value, and stops the screw pump (16) for feeding the jet mixing device (9) to operate when the liquid level is higher than the upper limit of the set value, and the stirrer (11) continuously operates in the process to finally realize efficient dissolution of the medicament;
the powder medicament sucked by an injection air pipe (19) of the jet mixing device (9) comes from the screw feeder (6), and the screw feeder (6) is connected with a medicament storage system (A); the medicament storage system (A) comprises a storage bin (2), an electromagnetic vibration exciter (3) and a star-shaped discharger (4) which are sequentially connected; the upper part of the storage bin (2) is cylindrical, the lower part of the storage bin is inverted cone-shaped, the top of the storage bin (2) is an open type feed inlet, the bottom of the storage bin is provided with a discharge outlet, and two sides of the inverted cone at the lower part of the storage bin (2) are provided with electromagnetic vibration exciters (3); the electromagnetic vibration exciter (3) can uniformly vibrate the powdery flocculating agent in the storage bin (2) to prevent the occurrence of arching phenomenon in the bin, and the vibrated material is discharged from a discharge hole at the bottom of the storage bin (2); star type tripper (4) is connected to the discharge gate of storage silo (2) bottom, it is even to guarantee that likepowder flocculation medicament unloads, prevent to unload the in-process and take place to block up, the phenomenon of agglomerating, external screw feeder (6) of star type tripper (4) export, screw rod (6A) of screw feeder (6) rotate with likepowder flocculation medicament propelling movement to pneumatic conveyor pipe way (8), power supply device-air-blower (7) are connected in pneumatic conveyor pipe way (8), air-blower (7) operation blows in likepowder flocculation medicament in with pneumatic conveyor pipe way and penetrates trachea (19) to what efflux mixing arrangement (9).
2. The combined quantitative adding and dispersing mixing system for powdery flocculating agent according to claim 1, characterized in that: the liquid level measuring device (12), the jet flow mixing device (9), the electromagnetic vibration exciter (3), the star-shaped discharger (4), the screw feeder (6) and the air blower (7) are intelligently associated by a PLC intelligent control system (D) and are started or stopped to act simultaneously.
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