CN107628638B - Post-treatment system for production and preparation of tetrabasic lead sulfate - Google Patents
Post-treatment system for production and preparation of tetrabasic lead sulfate Download PDFInfo
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- CN107628638B CN107628638B CN201710917325.XA CN201710917325A CN107628638B CN 107628638 B CN107628638 B CN 107628638B CN 201710917325 A CN201710917325 A CN 201710917325A CN 107628638 B CN107628638 B CN 107628638B
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Abstract
The invention relates to the field of lead-acid battery material preparation, in particular to a tetrabasic lead sulfate production and preparation post-treatment system, which comprises a premixing treatment part, a preparation treatment part, a filter pressing treatment part, a drying ball milling part and a material collecting part; further comprises: the vacuum dehumidifying part comprises a vacuum pump and a sealing cover; the waste gas purifying treatment part is communicated with the vacuum pump, and is used for purifying waste gas generated by the dry ball milling part in a deionized water solution absorption and purification mode; and the waste water recycling part comprises a waste water conveying pipeline and a water suction pump which is communicated with the waste water conveying pipeline, wherein two ends of the waste water conveying pipeline are respectively communicated with the waste gas purifying treatment part and the premixing treatment part, so that the technical problems of large and uneven particles of a preparation reaction product caused by long preparation reaction time and high temperature in the prior art are solved.
Description
Technical Field
The invention relates to the field of lead-acid battery material preparation, in particular to a post-treatment system for tetrabasic lead sulfate production and preparation.
Background
In the prior art, in the production of lead-acid storage batteries, in order to prolong the cycle life of the batteries, one of the most effective measures is to use lead plaster with high content of tetrabasic lead sulfate, and tetrabasic lead sulfate is abbreviated as 4BS, the addition of 4BS serving as a crystal nucleus can control the quantity and grain size of the formed 4BS, the problem of formation of high-content large-grain 4BS polar plates is solved, and the discharge performance of the batteries is excellent.
Chinese patent No. CN106587141a discloses a process for producing tetrabasic lead sulfate, which comprises a preparation treatment part, feeding the lead material after pre-mixed reaction into a reaction kettle through a shear pump, adding sulfuric acid solution into the reaction kettle while internal circulation stirring, simultaneously introducing part of compressed air into the reaction kettle, starting the shear pump after the sulfuric acid solution is added, heating the reaction kettle, stopping heating after internal and external circulation stirring is uniform, closing the shear pump, keeping the internal circulation stirring of the reaction kettle continuous, and simultaneously introducing compressed air into the reaction kettle to cool lead mud; and the ball milling treatment part is used for conveying the lead slime into a drying ball mill, and synchronously carrying out heating drying and ball milling reaction to obtain a tetrabasic lead sulfate product. The invention also comprises production equipment of tetrabasic lead sulfate, the preparation reaction time is short, the formed 4BS has small granularity and is uniform and controllable, and the average grain diameter of the obtained tetrabasic lead sulfate is less than 2 mu m.
However, according to the applicant reaction, in the practical use process, because the feeding end of the roller is always communicated with the filter pressing equipment, the roller is not in a sealing state during the drying ball milling treatment, and the continuous dehumidifying effect is realized only by arranging a fan at the discharge port, so that the temperature in the roller can not be accurately controlled during the ball milling treatment, the heat loss is fast, the heating temperature of the heating element to the roller is higher than 100 ℃, the energy consumption is high, the 4BS grows faster, the particle size is large, the drying ball milling time is relatively longer, and finally the tetrabasic lead sulfate has larger and uneven particle size.
In addition, it should be noted that deionized water is required to be continuously added in the preparation process to prevent the sulfate radical from reacting with water first to release heat when the tetrabasic lead sulfate is prepared in the subsequent process, and meanwhile, the waste gas treatment generated after the ball milling is completed can cause unnecessary pollution, so how to save energy sources, reduce cost and use waste gas treatment is a vital new research topic.
Disclosure of Invention
The invention aims to provide a post-treatment system for production and preparation of tetrabasic lead sulfate, which realizes orderly combination of a previous procedure, a subsequent procedure and a pre-mixing procedure of a 4BS preparation process through the structural arrangement characteristics of a feed end and a discharge end of drying ball milling equipment, thereby solving the technical problems of waste gas and waste water treatment after production and preparation of tetrabasic lead sulfate.
In order to achieve the above purpose, the invention provides the following technical scheme:
a post-treatment system for production and preparation of tetrabasic lead sulfate comprises a premixing treatment part, a preparation treatment part, a filter pressing treatment part, a drying ball milling part and a material collecting part which are sequentially arranged according to the sequence of the preparation procedure of tetrabasic lead sulfate; further comprises: the vacuum dehumidifying part comprises a vacuum pump communicated with the dry ball milling part and a sealing cover which is detachably arranged at a feed inlet of the dry ball milling part and used for controlling the opening and the closing of the feed inlet;
the sealing cover can be arranged at one side of the feed inlet of the feed channel;
the waste gas purifying treatment part is communicated with the vacuum pump, and the waste gas generated by the dry ball milling part is purified by a deionized water solution absorption purification mode;
and the waste water recycling part comprises a waste water conveying pipeline and a water suction pump which is communicated with the waste water conveying pipeline, and two ends of the waste water conveying pipeline are respectively communicated with the waste gas purifying treatment part and the premixing treatment part.
As an improvement, the dry ball milling part comprises a ball milling assembly, two ends of the ball milling assembly are respectively extended outwards to form a feeding channel and a discharging channel which are communicated with the inside of the ball milling assembly, and the feeding channel is connected with the filter pressing treatment part in a switchable matching way.
It is worth mentioning that the dry ball milling part comprises a ball milling assembly comprising a frame, a ball milling roller which is arranged on the frame and is used for containing tetrabasic lead sulfate, and a first driving device which drives the ball milling roller to rotate around the axis of the ball milling roller.
As an improvement, the filter pressing treatment part comprises a sliding track arranged between the preparation treatment part and the drying ball milling part and filter pressing equipment which is installed on the sliding track in a sliding fit manner, wherein the feeding end of the filter pressing equipment is communicated with the preparation treatment part, and the discharging end of the filter pressing equipment is connected with the feeding channel of the ball milling assembly in a movable switching fit manner along the axial direction of the ball milling assembly.
As an improvement, the dry ball milling part further comprises a control device for controlling the communication or blocking of the discharge port of the discharge channel and the material collecting part, the control device is communicated with the discharge channel in a sealing way, and the vacuum pump is positioned above the discharge channel and communicated with the control device in a sealing way.
As an improvement, the control device comprises a conveying pipe vertically communicated with the discharging channel and an electric ball valve arranged on the end part of the conveying pipe, an outlet of the electric ball valve is communicated with the material collecting part, and a vacuum pump is vertically communicated with the conveying pipe through an exhaust pipe.
As an improvement, one side of the feeding channel is also provided with a blowing component, the blowing component comprises a support frame fixedly installed on the ball milling component, an air inlet, an air supply pipe fitting hermetically connected with an external blower, and a switching guide mechanism installed on the support frame and used for rapidly butting the air supply pipe fitting with the feeding inlet of the feeding channel, and the switching guide mechanism comprises a transverse guide component fixedly installed on the support frame and a longitudinal guide component slidably arranged above the transverse guide component.
As an improvement, the waste gas purifying treatment part comprises a solution absorbing device a containing deionized water and a waste gas conveying pipeline a, wherein the air inlet end a of the waste gas conveying pipeline a is communicated with the vacuum pump, and the air outlet end of the waste gas conveying pipeline a extends into the deionized water in the solution absorbing device a.
As an improvement, the waste gas purifying treatment part further comprises a solution absorbing device b containing deionized water and a waste gas conveying pipeline b, wherein the air inlet end b of the waste gas conveying pipeline b is communicated with the air outlet of the solution absorbing device a, and the air outlet of the waste gas conveying pipeline b extends into the deionized water in the solution absorbing device b.
As an improvement, the air inlet end b of the exhaust gas conveying pipeline b is respectively communicated with the solution absorbing device a and the solution absorbing device b, the air outlet of the exhaust gas conveying pipeline b is communicated with the premixing treatment part, and the air extracting pump is arranged on the exhaust gas conveying pipeline b.
As a further improvement, the material collecting part comprises a powder collecting device, and an exhaust port of the powder collecting device is communicated with the solution absorbing device a through a gas pipeline.
The invention has the beneficial effects that:
(1) On the basis of a traditional tetrabasic lead sulfate preparation system, the invention combines the feeding channel of a ball milling roller to be respectively connected with filter pressing equipment, a sealing cover and a blowing component in a matching way, can realize automatic switching according to different stages of ball milling reaction, and is matched with a vacuum dehumidifying device and an electric ball valve to ensure automatic continuous production of 4BS preparation, and then a waste gas purification treatment part and a waste water recycling part are communicated with a vacuum pump in a subsequent procedure to realize orderly combination with a premixing procedure of the 4BS preparation process, thereby being beneficial to automatic and continuous production of 4BS post-treatment production;
(2) Compared with the traditional preparation system of tetrabasic lead sulfate, the invention carries out two-stage purification treatment on the waste gas and water led out from the vacuum dehumidifying device, realizes harmless emission of the waste gas, and simultaneously utilizes the deionized water absorption purification mode to ensure that the solution after waste gas purification can be recycled to the premixing procedure of the 4BS preparation process, realizes recycling recovery of waste water, thoroughly solves the problem of direct emission of the waste water, and realizes energy conservation and emission reduction;
(3) Compared with the traditional preparation system of tetrabasic lead sulfate, the invention realizes the automatic output of materials into the powder collecting device by adopting a blowing mode by matching the blowing component with the electric ball valve, accelerates the discharging efficiency, shortens the residence time of 4BS in the ball milling roller after the ball milling reaction is finished, and further improves the uniformity of the grain diameter of the 4BS crystal;
(4) Compared with the traditional tetrabasic lead sulfate preparation system, the tetrabasic lead sulfate preparation system has the advantages that the vacuum pump is additionally arranged on the discharging channel of the ball milling assembly, so that the tetrabasic lead sulfate is combined with the ball milling effect and the characteristic that the ball milling roller keeps a negative pressure state in the drying ball milling process, continuous rapid dehumidification is realized, the rapid discharge of water in the ball milling roller is accelerated, the heating temperature of the ball milling roller is reduced, the drying ball milling time is shortened, the growth of 4BS is effectively inhibited, the uniform particle size of 4BS crystals is ensured, and the product preparation quality is improved;
in conclusion, the invention has the advantages of high automation degree, stable operation, high production efficiency, energy conservation, environmental protection, low cost and the like.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings described below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic front view of a tetrabasic lead sulphate production and preparation aftertreatment system;
FIG. 2 is a schematic front view of a press treatment section, a dry ball milling section, and a material collection section;
FIG. 3 is a schematic top view of a portion of a tetrabasic lead sulfate production preparation aftertreatment system;
fig. 4 is a schematic front view of the exhaust gas purifying treatment portion;
FIG. 5 is a schematic diagram of the structure of the press filtration treatment section, the dry ball milling section, and the material collection section;
FIG. 6 is a schematic diagram of the structure of a dry ball milling section;
FIG. 7 is a schematic diagram of a control device;
FIG. 8 is a schematic diagram of a switching guide mechanism;
fig. 9 is a schematic structural view of a blower assembly;
FIG. 10 is a schematic partial cross-sectional view of a feed channel;
FIG. 11 is a schematic partial cross-sectional view of a tapping channel.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings.
Fig. 1 is a schematic front view of a post-processing system for production and preparation of tetrabasic lead sulfate, fig. 2 is a schematic front view of a filter pressing treatment part, a dry ball milling part and a material collecting part, fig. 3 is a schematic top view of a portion of a post-processing system for production and preparation of tetrabasic lead sulfate, fig. 4 is a schematic front view of an exhaust gas purifying treatment part, fig. 5 is a schematic structure of a filter pressing treatment part, a dry ball milling part and a material collecting part, fig. 6 is a schematic structure of a dry ball milling part, fig. 7 is a schematic structure of a control device, fig. 8 is a schematic structure of a switching guide mechanism, fig. 9 is a schematic structure of a blowing component, fig. 10 is a schematic partial cross-sectional view of a feed channel, and fig. 11 is a partial cross-sectional view of a discharge channel.
Example 1
Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate the invention and should not be construed as limiting the invention.
Referring to fig. 1, the invention provides a post-treatment system for production and preparation of tetrabasic lead sulfate, which comprises a premixing treatment part 10, a preparation treatment part 20, a filter pressing treatment part 30, a drying ball milling part 40 and a material collecting part 50 which are sequentially arranged according to the sequence of the preparation procedure of tetrabasic lead sulfate; further comprises:
the vacuum dehumidifying part 1 comprises a vacuum pump 11 which is communicated with the dry ball milling part 40 and a sealing cover 13 which is detachably arranged at a feed inlet 12 of the dry ball milling part 40 and is used for controlling the opening and closing of the feed inlet 12;
the waste gas purifying treatment part 2 is communicated with the vacuum pump 11, and waste gas generated by the dry ball milling part is purified by a deionized water solution absorption purification mode;
and a waste water recycling part 3, wherein the waste water recycling part 3 comprises a waste water conveying pipeline 37 and a water suction pump 38 which is communicated with the waste water conveying pipeline 37, and two ends of the waste water conveying pipeline 37 are respectively communicated with the waste gas purifying treatment part 2 and the premixing treatment part 10.
Further, as shown in fig. 3 and 4, the dry ball milling section 40 includes a ball milling assembly 41, and both ends of the ball milling assembly 41 are outwardly extended with a feed channel 42 and a discharge channel 43 communicating with the inside thereof, respectively, and the feed channel 42 is switchably coupled with the press filtration treatment section 30.
Further, as shown in fig. 6 and 7, a control device 45 for opening or closing the discharge port 44 of the discharge channel 43 is provided, the control device 45 is in airtight communication with the discharge channel 43, and the vacuum pump 11 is located above the discharge channel 43 and is in airtight communication with the control device 45.
The vacuum pump 11 is arranged at the upper end of the discharging channel 43, the vacuum pump 11 pumps the water vapor in the ball milling roller, and the water vapor is discharged into the vacuum pump 11, so that the ball milling roller is kept in a vacuum state, ball milling treatment in the ball milling roller is quickened, in addition, as the heat in the ball milling roller is not easy to dissipate in a closed state, the temperature in the ball milling roller is constant, the drying work can be finished when the heating temperature of the heating element reaches about 60 ℃, the energy is saved, and the operability and the working efficiency of equipment work are improved; the traditional two processes of drying and ball milling are completed in one process in a ball milling roller, the whole ball milling time is controlled to be about 1 hour, and the heating temperature is controlled by using a heating element, so that the influence of the excessive high or low temperature on the size of 4BS crystal grains on 4BS crystal is prevented; meanwhile, a sealing cover 13 which is detachably connected is arranged at the feed inlet, and two working states of ball milling and air supply are achieved by manually disassembling the sealing cover 13; in addition, three-station multidirectional cutting is performed by arranging a switching guide mechanism 465, after ball milling is finished, the electric ball valve 452 is utilized to release pressure, and air is supplied into the air supply pipe fitting 464 by matching with a blower, so that 4BS after the ball milling is finished is blown out.
Further, the control device 45 includes a material delivery pipe 451 vertically connected to the material outlet channel 43, and an electric ball valve 452 mounted on an end of the material delivery pipe 451.
Further, the vacuum pump 11 is mounted at one end portion thereof on an air suction pipe 454, and is disposed in vertical communication with the feed pipe 451 via the air suction pipe 454.
Example two
As shown in fig. 3 and 4, the same or corresponding parts as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and only the differences from the first embodiment will be described below for the sake of brevity. The second embodiment is different from the first embodiment in that:
further, the exhaust gas purifying treatment section 2 includes a solution absorbing device a21 containing deionized water therein, and an exhaust gas delivery pipe a22, an air inlet end a23 of the exhaust gas delivery pipe a22 being in communication with the vacuum pump 11, and an air outlet end 24 thereof being extended into the deionized water in the solution absorbing device a 21.
Further, as shown in fig. 4, the exhaust gas purifying treatment portion 2 further includes a solution absorbing device b25 containing deionized water therein, and an exhaust gas delivery pipe b26, an air inlet end b27 of the exhaust gas delivery pipe b26 being communicated with an air outlet 28 of the solution absorbing device a21, and the air outlet 28 thereof extending into the deionized water in the solution absorbing device b 25.
The technical proposal is that the waste gas conveying pipeline b26 is extended into deionized water in the solution absorbing device b25 to purify the waste gas; meanwhile, the powder collecting device 51 is communicated with the solution absorbing device a21, so that the waste gas is transmitted to the solution absorbing device a21 for purification treatment and then is discharged, and the waste gas is further purified and treated efficiently.
Further, as shown in fig. 1 and 4, the air inlet end b27 of the exhaust gas delivery pipe b26 is respectively connected to the solution absorbing device a21 and the solution absorbing device b25, the air outlet 28 is connected to the deionized water channel 100 of the pre-mixing treatment portion 10, and an air pump is mounted on the exhaust gas delivery pipe b.
Still further, as shown in fig. 3, the material collecting section 50 includes a powder collecting device 51, and an exhaust port 52 of the powder collecting device 51 communicates with the solution absorbing device a21 through a gas pipe 53.
According to the technical scheme, the waste water recycling part 3 is arranged at the rear end of the ball milling part, one end of the waste gas conveying pipeline b26 used for connecting the solution absorbing device a21 and the solution absorbing device b25 is inserted below the liquid level of the waste gas conveying pipeline b26, the heat of the waste gas conveying pipeline b26 enables the solution in the solution absorbing device to form distilled water, the purity of the distilled water is higher than that of deionized water, the distilled water with high purity is led to a deionized water channel to replace the traditional deionized water, lead powder and the distilled water are fully mixed to form a liquid phase dispersion system, the subsequent preparation reaction is faster, the preparation products are more uniform, the reaction efficiency is improved to a great extent, the preparation time is shortened, the energy is saved, and the zero emission advantage can be achieved.
Example III
As shown in fig. 6 to 8, wherein the same or corresponding parts as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, only the differences from the first embodiment will be described below for the sake of brevity. The third embodiment is different from the first embodiment in that:
further, as shown in fig. 6, a blowing component 46 is further disposed on one side of the feeding channel 42, and the blowing component 46 includes a supporting frame 461 fixedly mounted on the ball milling component 41, a blowing pipe 464 hermetically connected to the air inlet 462 and the external blower 463, and a switching guide mechanism 465 mounted on the supporting frame 461 for fast butt-jointing the blowing pipe 464 and the feeding inlet of the feeding channel 42.
According to the technical scheme, the air blowing component 46 is matched with the electric ball valve 452, the automatic output of materials to the powder collecting device 51 is realized in an air blowing mode, the discharging efficiency is accelerated, the residence time of 4BS in the ball milling roller after ball milling reaction is finished is shortened, and the uniformity of the grain size of the 4BS crystals is further improved.
Further, as shown in fig. 8, the switching guide mechanism 465 includes a lateral guide member 4651 fixedly mounted on the support frame 461 and a longitudinal guide member 4652 slidably disposed above the lateral guide member 4651, and a stopper a4653 and a stopper b4654 are respectively disposed on outer ends of the lateral guide member 4651 and the longitudinal guide member 4651.
Further, as shown in fig. 5, the transverse guide assembly 4654 includes a transverse guide assembly 4651 fixed on the support frame 461 and a second driving device 4655 for driving the longitudinal guide assembly 4652 to slide reciprocally along a direction perpendicular to the axis of the ball mill assembly 41; the longitudinal guide assembly 4652 includes a longitudinal guide assembly 4652 slidably disposed on the transverse guide assembly 4651 and a third driving device 4656 for driving the air supply pipe 46 to reciprocally slide relative to the feed inlet of the feed channel 42.
Further, the air supply pipe 46 is slidably mounted on the longitudinal rail assembly 4652 through a fixing seat 4657, and a blocking cylinder 4658 is further disposed on a side of the fixing seat 4657 opposite to the limiting block b4654.
Example IV
As shown in fig. 10 and 11, the same or corresponding parts as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and only the differences from the first embodiment will be described below for the sake of brevity. The fourth embodiment is different from the first embodiment in that: the ball milling assembly 41, the feeding channel 42 and the discharging channel 43 are coaxially arranged, the inner walls of the feeding channel 42 and the discharging channel 43 are respectively provided with a spiral conveying assembly 6, and the conveying direction of the spiral conveying assemblies 6 to tetrabasic lead sulfate is opposite to the rotating direction of the ball milling assembly 41.
As shown in fig. 6, the screw conveyor assembly 6 includes auger blades 61 uniformly disposed along the axial direction of the assembly 41, and a chain 62 disposed between adjacent two of the auger blades 61.
By arranging auger blades and arranging chains 62 between two adjacent auger blades 61 respectively, 4BS crystals roll into the ball milling roller again by utilizing the rotation direction of the auger blades 61 to be opposite to the rotation direction of the ball milling roller, so that the ball milling uniformity of 4BS is ensured; and the inner walls of the feeding channel 42 and the discharging channel 43 are knocked by chains and are knocked off and converged into the ball milling roller, so that the 4BS full ball milling effect is further achieved.
Example five
As shown in fig. 1 to 5, wherein the same or corresponding parts as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, only the differences from the first embodiment will be described below for the sake of brevity. The second embodiment is different from the first embodiment in that:
as shown in fig. 2, in this embodiment, the press filtration treatment section 30 includes a sliding rail 31 disposed between the preparation treatment section 20 and the dry ball milling section 40, and a press filtration device 32 slidably mounted on the sliding rail, wherein a feed end 33 of the press filtration device 32 is disposed in communication with the preparation treatment section 20, and a discharge end thereof is in movable switching fit connection with a feed passage 42 of the ball milling assembly 41 along an axial direction of the ball milling assembly 41.
In the technical scheme, the feeding channel 42 of the ball milling assembly 41 is respectively matched and connected with the filter pressing equipment 32, the sealing cover 13 and the blowing assembly 46, automatic switching can be realized according to different stages of ball milling reaction, and automatic continuous production of 4BS preparation is ensured under the matching action of the ball milling assembly and the vacuum pump 11 and the electric ball valve 452.
The working process is as follows:
automatically and quantitatively adding lead powder raw materials and distilled water into a premixing stirring barrel, starting a shearing pump to uniformly stir the lead powder raw materials and distilled water in an internal and external mode, conveying lead mud in the premixing stirring barrel into a reaction kettle through a feeding pipeline by the shearing pump, stirring the lead mud in the internal and external mode while adding sulfuric acid solution in the internal mode, starting an external shearing pump after adding sulfuric acid solution, synchronously stirring the lead powder raw materials and distilled water in the internal and external modes, starting an internal heating system to heat the reaction kettle and preserving heat, continuously keeping the internal and external modes of the reaction kettle to uniformly stir and shear the lead powder raw materials in the internal and external modes, closing the heating system and the shearing pump, keeping the internal stirring continuously, introducing compressed air into the reaction kettle to cool the lead mud, completing quick mixing reaction of tetrabasic lead sulfate, putting the tetrabasic lead sulfate into a filter press to carry out filter pressing, opening a sealing cover 13 after the tetrabasic lead sulfate is filter-pressed into a filter cake, conveying the filter cake to a ball mill through a stranding cage conveying device, and closing the sealing cover by workers;
simultaneously starting a first driving device, starting a ball milling roller to rotate around the axis of the ball milling roller, starting a vacuum pump 11, performing vacuum dehumidification on the ball milling roller by the vacuum pump 11, stopping vacuum dehumidification when a vacuum detector arranged on the vacuum pump 11 monitors a certain value in real time, continuously rolling and ball milling the ball milling roller, conveying tetrabasic lead sulfate on the inner walls of a rolling-in feeding channel 42 and a discharging channel 43 into the ball milling roller by auger blades in the ball milling process, starting an electric ball valve to perform pressure relief after a worker observes that tetrabasic lead sulfate of the ball milling roller is finished through a transparent window, pulling a cover by the worker to perform blowing work when the ball milling roller is in a positive pressure state, conveying air into the ball milling roller through an air inlet 462 of a switching guide mechanism 465, collecting the tetrabasic lead sulfate powder after ball milling is finished and blown out into a powder collecting device 51, and conveying waste gas generated by the powder collecting device 51 through a gas pipeline 53 solution absorbing device a21 to perform purification treatment; the two ends of the waste gas conveying pipeline b26 used for connecting the solution absorbing device a21 and the solution absorbing device b25 are inserted below the liquid level in the two solution absorbing devices, and the distillation circulation is pulled to the deionized water to be added into the premixing treatment part 10, so that the tetrabasic lead sulfate treatment work is completed.
In the description of the invention, it should be understood that the terms "center," "upper," "lower," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the invention will be understood by those skilled in the art according to the specific circumstances.
In the invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
The foregoing description of the disclosed embodiments will so enable those skilled in the art to make various modifications and equivalent changes to those described and illustrated without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. A post-treatment system for production and preparation of tetrabasic lead sulfate comprises a premixing treatment part (10), a preparation treatment part (20), a filter pressing treatment part (30), a drying ball milling part (40) and a material collecting part (50) which are sequentially arranged according to the sequence of the preparation procedure of tetrabasic lead sulfate; characterized by further comprising:
the vacuum dehumidifying part (1), the vacuum dehumidifying part (1) comprises a vacuum pump (11) which is communicated with the dry ball milling part (40), a feed inlet (12) which is detachably arranged on the dry ball milling part (40) and a sealing cover (13) which is used for controlling the feed inlet (12) to open and close;
the waste gas purifying treatment part (2), the waste gas purifying treatment part (2) is communicated with the vacuum pump (11), and waste gas generated by the dry ball milling part (40) is purified by a deionized water solution absorption purification mode; and
the waste water recycling part (3), the waste water recycling part (3) comprises a waste water conveying pipeline (37) and a water suction pump (38) which is communicated with the waste water conveying pipeline (37), and two ends of the waste water conveying pipeline (37) are respectively communicated with the waste gas purifying treatment part (2) and the premixing treatment part (10);
the drying ball milling part (40) comprises a ball milling assembly (41), two ends of the ball milling assembly (41) are respectively and outwards extended with a feeding channel (42) and a discharging channel (43) which are communicated with the inside of the ball milling assembly, and the feeding channel (42) is in switchable fit connection with the filter pressing treatment part (30);
the waste gas purifying treatment part (2) comprises a solution absorbing device a (21) containing deionized water and a waste gas conveying pipeline a (22), wherein an air inlet end a (23) of the waste gas conveying pipeline a (22) is communicated with the vacuum pump (11), and an air outlet end (24) of the waste gas conveying pipeline a extends into the deionized water in the solution absorbing device a (21).
2. The post-production and post-treatment system for tetrabasic lead sulfate production according to claim 1, wherein said press filtration treatment section (30) comprises a sliding rail (31) provided between said production treatment section (20) and a dry ball milling section (40), and a press filtration device (32) mounted on the sliding rail in a sliding fit, and a feed end (33) of said press filtration device (32) is provided in communication with said production treatment section (20) and a discharge end thereof is connected with a feed passage (42) of a ball milling assembly (41) in a movable switching fit along the axial direction of the ball milling assembly (41).
3. A tetrabasic lead sulphate production preparation aftertreatment system according to claim 1, wherein the dry ball milling section (40) further comprises control means (45) for controlling the communication or blocking of the discharge port (44) of the discharge channel (43) with the material collection section (50), the control means (45) being in closed communication with the discharge channel (43), and the vacuum pump (11) being located above the discharge channel (43) and in closed communication with the control means (45).
4. A tetrabasic lead sulphate production preparation aftertreatment system according to claim 3, characterised in that the control means (45) comprises a feed conduit (451) arranged in vertical communication with the discharge channel (43) and an electric ball valve (452) mounted on the end of the feed conduit (451), the outlet (453) of the electric ball valve (452) being arranged in communication with the material collection portion (50), and the vacuum pump (11) being arranged in vertical communication with the feed conduit (451) by means of an air extraction tube (454).
5. A tetrabasic lead sulphate production preparation aftertreatment system according to claim 1 wherein one side of the feed channel (42) is further provided with a blower assembly (46), the blower assembly (46) comprising a support frame (461) fixedly mounted on the ball mill assembly (41), a supply duct (464) having an air inlet (462) in close connection with an external blower (463), and a switching guide mechanism (465) mounted on the support frame (461) for fast docking the supply duct (464) with the feed inlet of the feed channel (42), the switching guide mechanism (465) comprising a transverse guide assembly (4651) fixedly mounted on the support frame (461) and a longitudinal guide assembly (4652) slidably disposed over the transverse guide assembly (4651).
6. A tetrabasic lead sulphate production post-treatment system according to claim 5, wherein the waste gas purification treatment section (2) further comprises a solution absorbing means b (25) containing deionized water therein and a waste gas delivery conduit b (26), the inlet end b (27) of the waste gas delivery conduit b (26) being in communication with the outlet end (24) of the solution absorbing means a (21), the outlet (28) of the waste gas delivery conduit b (26) extending into the deionized water in the solution absorbing means b (25).
7. A tetrabasic lead sulphate production post-treatment system according to claim 6, wherein the inlet end b (27) of the exhaust gas delivery conduit b (26) is provided in communication with the solution absorbing means a (21) and the solution absorbing means b (25), respectively, and the outlet (28) thereof is provided in communication with the pre-mixing treatment section (10), and an air pump is mounted on the exhaust gas delivery conduit b (26).
8. A tetrabasic lead sulphate production post-treatment system according to claim 1, wherein the material collection portion (50) includes a dust collection means (51), the exhaust port (52) of the dust collection means (51) being in communication with the solution absorbing means a (21) via a gas conduit (53).
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| CN109264772B (en) * | 2018-10-09 | 2021-03-02 | 刘欣源 | Preparation tetrabasic lead sulfate fast reaction device |
| CN109012911A (en) * | 2018-10-12 | 2018-12-18 | 景德镇陶瓷大学 | A kind of efficient bendable continuous ball mill |
| CN112426796A (en) * | 2020-11-16 | 2021-03-02 | 张克军 | System for purifying and recycling complexing liquid for recycling lead oxide |
| CN114768686A (en) * | 2022-05-19 | 2022-07-22 | 济宁长兴塑料助剂有限公司 | Closed feeding system for DOTP synthesis |
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