CN113976007A - Mixing method of additive and auxiliary materials for paste mixing - Google Patents
Mixing method of additive and auxiliary materials for paste mixing Download PDFInfo
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- CN113976007A CN113976007A CN202111116405.8A CN202111116405A CN113976007A CN 113976007 A CN113976007 A CN 113976007A CN 202111116405 A CN202111116405 A CN 202111116405A CN 113976007 A CN113976007 A CN 113976007A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/14—Electrodes for lead-acid accumulators
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Abstract
The invention discloses a mixing method of additive and auxiliary materials for a paste mixture, which comprises the following steps: adding the additive auxiliary materials for paste mixing, pure water and dilute sulfuric acid into a stirring dispersion kettle, and uniformly stirring and mixing to form a dilute material; gradually adding lead powder into the stirring dispersion kettle, and uniformly stirring the lead powder and the thinner to form a mixture; opening an electromagnetic valve on an output pipeline at the bottom of the stirring dispersion kettle, enabling the mixture to flow into the weighing tank through the output pipeline to reach a set weight, and then closing the electromagnetic valve on the output pipeline; in the process that the mixture flows into the weighing tank through the output pipeline, compressed air is input into the weighing tank through the high-pressure air pipe, and the mixture in the weighing tank is turned and mixed up and down through the compressed air; and (5) sending the mixture in the weighing tank into a paste mixing machine by using a diaphragm pump, and performing paste mixing production. The invention can obviously improve the production efficiency of paste mixing and ensure that lead powder and additive auxiliary materials are uniformly mixed during paste mixing.
Description
Technical Field
The invention relates to the technical field of lead-acid storage battery manufacturing, in particular to a method for mixing additives and auxiliary materials for paste mixing.
Background
It is known that in the production process of lead-acid storage batteries, the production of lead paste is a very important link which directly affects the quality of the storage batteries, and the so-called paste mixing is that the processed lead powder, additive auxiliary materials, pure water and dilute sulfuric acid are uniformly stirred in a paste mixing machine to form pasty lead paste. And coating the lead plaster on the surface of the base material of the polar plate, drying, and punching into a required size to form the polar plate.
At present, the paste mixing production process of the paste mixing machine is roughly as follows: adding lead powder and then additive auxiliary materials into a paste mixing machine, then premixing and stirring the paste mixing machine to uniformly mix the lead powder and the powdery additive auxiliary materials, adding pure water and dilute sulfuric acid, and mixing and stirring to form the lead paste.
However, the existing lead paste production mode has the following technical defects: firstly, because the production mode of the paste mixing machine is one-time staged production, the lead powder and the additive auxiliary materials are uniformly mixed, and the mixing and stirring after the pure water and the dilute sulfuric acid are added can not be carried out simultaneously, the paste mixing efficiency can be greatly influenced, and particularly, the amount of the lead powder, the additive auxiliary materials and the pure water and the dilute sulfuric acid need to be accurately weighed again in each paste mixing process of the paste mixing machine so as to realize the accurate proportioning of the components of the lead paste. In addition, because the amount of the additive auxiliary materials is less relative to the lead powder, the additive auxiliary materials are mixed fully and uniformly. That is, the uniformity of each component is not easy to be guaranteed when the paste is combined, and generally, people can only solve the problem by prolonging the stirring and mixing time, which gives priority to the efficiency of the paste combination.
Disclosure of Invention
The invention aims to provide a method for mixing additive auxiliary materials for paste mixing, which can obviously improve the production efficiency of paste mixing and ensure that lead powder and the additive auxiliary materials are uniformly mixed during paste mixing.
In order to achieve the purpose, the invention adopts the following technical scheme:
a mixing method of additive and auxiliary materials for paste mixing comprises the following steps:
a. adding the additive auxiliary materials for paste mixing, pure water and dilute sulfuric acid into a stirring dispersion kettle, and uniformly stirring and mixing to form a dilute material;
b. gradually adding lead powder into the stirring dispersion kettle, and uniformly stirring the lead powder and the thinner to form a mixture;
c. opening an electromagnetic valve on an output pipeline at the bottom of the stirring dispersion kettle, enabling the mixture to flow into the weighing tank through the output pipeline to reach a set weight, and then closing the electromagnetic valve on the output pipeline;
d. in the process that the mixture flows into the weighing tank through the output pipeline, compressed air is input into the weighing tank through the high-pressure air pipe, and the mixture in the weighing tank is turned and mixed up and down through the compressed air;
e. and (5) sending the mixture in the weighing tank into a paste mixing machine by using a diaphragm pump, and performing paste mixing production.
The lead powder, the additive auxiliary materials, the pure water, the dilute sulfuric acid and the like are put into the stirring dispersion kettle to be stirred and mixed firstly, and the paste mixing production can be simultaneously carried out in the paste mixing machine at the moment, namely, the stirring and the paste mixing can be realized, so that the efficiency of the paste mixing production can be effectively improved.
Particularly, the amount of the additive auxiliary materials is small compared to the lead powder, and therefore, the difficulty is high when the dry powder lead powder and the additive auxiliary materials are uniformly stirred, and accordingly, much time is required. The invention creatively adds a small amount of additive auxiliary materials, pure water and dilute sulfuric acid into a stirring dispersion kettle to be stirred and mixed into a dilute material. It can be understood that the additive auxiliary materials can be easily and uniformly diffused and even dissolved in the liquid formed by pure water and dilute sulfuric acid, so that the uniformly mixed dilute material can be formed, and the uniformly mixed dilute material and the lead powder are stirred and mixed to form a uniform mixed material.
In addition, when the mixture enters the weighing tank for weighing and metering, compressed air is input into the weighing tank through the high-pressure air pipe, and the mixture in the weighing tank can be turned over up and down through the compressed air, so that the uniformity of the mixture is further improved. It will be appreciated that the compressed air has little adverse effect on the weighing of the weighing tank. That is to say, this scheme both can ensure the accurate of weighing jar and weigh, can promote the mixture degree of consistency of mixture again.
Preferably, the high-pressure gas pipe comprises a gas injection coil pipe positioned at the lower part of the weighing tank, one end of the gas injection coil pipe is communicated with a gas inlet pipe arranged at the upper part of the weighing tank, the other end of the gas injection coil pipe is closed, the gas inlet pipe is connected with a compressed gas source, n circles of gas injection holes are arranged on the gas injection coil pipe at equal intervals, the axis of each gas injection hole and the radial direction of the gas injection coil pipe form an included angle of 60-75 degrees, the gas injection holes of each circle are uniformly arranged in the circumferential direction, a dislocation angle alpha is formed between every two adjacent circles of gas injection holes from one end to the other end of the gas injection coil pipe in the circumferential direction, and alpha x n =360 degrees x b, wherein b is a positive integer.
When compressed gas is input into the high-pressure gas pipe, the compressed gas can be sprayed outwards along the tangential direction from each gas orifice on the gas-spraying coil pipe, so that the mixture in the weighing tank is driven to turn over up and down, and the mixing uniformity is further improved. It can be understood that on the one hand, the plurality of gas injection holes are arranged, the flow and the flow velocity of each gas injection hole can be reduced, the weighing precision of the mixture is prevented from being influenced due to the fact that the mixture is locally and violently turned over, and on the other hand, the mixture can be uniformly stirred by compressed gas which is sprayed from all positions of the gas injection coil pipes immersed in the mixture.
Especially, the compressed gas ejected by each gas ejecting hole is along the tangential direction, so that spiral compressed air flow can be formed around the gas ejecting coil, the mixture is favorably turned over to be uniformly mixed, and the weighing precision of the mixture is effectively prevented from being influenced by local severe turnover.
In addition, the scheme enables an offset angle alpha to be formed between every two adjacent circles of the air injection holes in the circumferential direction, and the angle alpha x n =360 degrees x b (wherein b is a positive integer), that is, the sum of the offset angles of the air injection holes of the circles on the air injection coil pipe is just an integer circle, and the air injection holes of each integer circle form one air injection hole group, so that a plurality of air injection hole groups are formed on the air injection coil pipe. Like this, on the one hand be favorable to gas injection coil pipe more evenly spout compressed gas in order to stir the mixture, and on the other hand, gas injection coil pipe spun compressed gas is even in circumference, both can avoid the mixture to appear locally "violently turning over" phenomenon effectively, can ensure again that gas injection coil pipe can receive even mixture reaction when jet-propelled, avoids gas injection coil pipe to appear the vibration phenomenon.
Preferably, the air injection coil is vertically arranged in a spiral shape, the air inlet pipe is connected to the lower end of the air injection coil, and the height of the air injection coil in the weighing tank is 1/2-2/3 when the mixed materials reach the set weight.
Since the air inlet pipe is connected to the lower end of the air injection coil pipe, that is, the compressed air flows from bottom to top in the air injection coil pipe, it can be understood that the pressure of the compressed air injected from the air injection port of the air injection coil pipe from bottom to top is gradually reduced, and accordingly, the resistance of the injected compressed air to stirring the mixture is gradually reduced from bottom to top, so that the pressure of the compressed air, the change energy of the stirring force and the resistance of the mixture form a positive correlation relationship.
In addition, by reasonably setting the ratio of the height of the air injection coil pipe in the weighing tank to the height of the mixture reaching the set weight, the compressed air can fully play a role in stirring the mixture, and the phenomenon that the mixture is locally and violently overturned due to the compressed air sprayed from the air injection holes on the upper layer can be avoided.
When the height of the air injection coil in the weighing tank is less than 1/2, the stirring effect of the compressed air on the mixed materials can be influenced.
When the height of the air injection coil pipe in the weighing tank is larger than 2/3 when the mixed material reaches the set weight, the compressed air injected from the air injection holes on the upper layer easily causes the phenomenon of local violent overturning of the mixed material on the upper layer, and leads to unnecessary waste of the compressed air.
Preferably, a dispersing machine, an emulsifying machine and a frame type stirrer are arranged in the stirring and dispersing kettle, the frame type stirrer comprises a vertical rectangular frame, a vertical driving shaft is arranged in the middle of the rectangular frame, and a driving motor in transmission connection with the driving shaft is arranged on the outer side of the top of the stirring and dispersing kettle.
The dispersion machine and the emulsifying machine can effectively disperse and emulsify various materials in the dispersion kettle, thereby being beneficial to improving the uniformity of mixing. And the frame type stirrer with the vertical rectangular frame is favorable for uniformly stirring various materials in the large-capacity stirring dispersion kettle.
Preferably, the vertical edge of the rectangular frame is provided with a plurality of turbines, each turbine comprises a turbine shaft and an impeller, the turbine shaft is horizontally arranged, the impeller is connected to one end of the turbine shaft, the other end of the turbine shaft is connected to the vertical edge, the turbine shaft is located in the tangential direction corresponding to the rotating direction of the vertical edge, and when the driving motor drives the vertical rectangular frame to rotate through the driving shaft, the turbines arranged on the vertical edge rotate relative to thin materials or mixed materials, so that the thin materials or the mixed materials in the stirring dispersion kettle are stirred and dispersed.
In this scheme, when driving motor drive rectangle frame rotated in order to stir the material, the turbine on the vertical limit formed relative motion with the material, and the material at this moment can make the turbine produce the rotation, and pivoted turbine then plays the dispersion effect of stirring to thin material or mixture.
Particularly, a plurality of turbines are respectively arranged on two vertical edges of the rectangular frame, namely, the outer diameter of each turbine is smaller, so that the resistance of the turbines during rotation for stirring the mixed materials can be reduced, and the phenomenon of local severe turnover of the materials is avoided.
Preferably, a spherical cavity is arranged on the vertical edge, a circular through hole and a rectangular hole extending along the tangential direction of the rotation direction of the vertical edge are formed in the front side of the rotation direction of the vertical edge, the circular through hole penetrates through the rear side of the vertical edge, the rectangular hole extends to two width side edges and is tangent to the spherical cavity, the spherical center of the spherical cavity is located on the axis of the circular through hole, a rotation circular ring is arranged in the spherical cavity and comprises two mutually parallel end surfaces and an annular surface connected between the two end surfaces, the annular surface is a spherical surface matched with the spherical cavity, the turbine shaft penetrates through the circular through hole in the rear side of the vertical edge and is connected to an inner hole of the rotation circular ring, and the width of the rectangular hole is not smaller than the thickness of the rotation circular ring.
In the scheme, a turbine shaft on the turbine is connected in an inner hole of a rotating circular ring, and the rotating circular ring is in ball joint with a spherical cavity on a vertical side. That is, the turbine can rotate 360 ° about the spherical center of the spherical cavity by the turbine shaft.
When the rectangular frame rotates to stir materials, the turbine positioned at the rear side of the vertical edge is upwards rotated by the resistance of the materials until the turbine shaft is approximately in a horizontal state, and the turbine at the moment can drive the rotating circular ring to rotate in the spherical cavity through the turbine shaft.
Particularly, when the turbine is required to be installed on the vertical edge, the rotating ring can be rotated by 90 degrees, so that the rotating ring enters the rectangular hole from the front side of the vertical edge according to the thickness; when the spherical center of the annular surface of the rotating circular ring is coincident with the spherical center of the spherical cavity, the rotating circular ring is rotated by 90 degrees, so that the axis of the rotating circular ring is basically coincident with the axis of the circular through hole, and at the moment, the turbine shaft can penetrate through the circular through hole at the rear side of the vertical edge and is connected in the inner hole of the rotating circular ring. On the one hand, the rotating ring can rotate 360 degrees in the spherical cavity, on the other hand, the rotating ring can be effectively prevented from being separated from the spherical cavity, and the assembly connection of the turbine and the vertical edge is facilitated.
Preferably, in step a, pure water and dilute sulfuric acid are fed into the stirring dispersion tank through a flow meter to accurately meter the feed amounts of the pure water and the dilute sulfuric acid.
The flowmeter can monitor the amount of pure water and dilute sulfuric acid entering the stirring dispersion kettle in real time, not only is convenient for accurate proportioning of each component, but also cannot influence the mixing and stirring efficiency.
Therefore, the invention has the following beneficial effects: the production efficiency of the paste mixing can be remarkably improved, and the lead powder and the additive auxiliary materials are uniformly mixed during the paste mixing.
Drawings
Fig. 1 is a schematic structural diagram of an additive and auxiliary material mixing device for paste mixing according to the invention.
Fig. 2 is a schematic diagram of a weighing tank.
FIG. 3 is a schematic diagram of one configuration of the jet coil.
FIG. 4 is a schematic cross-sectional view of an aeration coil.
FIG. 5 is a schematic view of a structure of a frame stirrer.
FIG. 6 is a schematic view of the connection of the turbine to the vertical side.
In the figure: 1. the stirring and dispersing kettle 11, the discharge valve 2, the flowmeter 3, the weighing tank 4, the high-pressure gas pipe 41, the gas injection coil pipe 411, the gas injection hole 42, the gas inlet pipe 5, the paste mixing machine 6, the frame type stirrer 61, the rectangular frame 611, the vertical edge 612, the spherical cavity 613, the circular through hole 614, the rectangular hole 62, the driving shaft 63, the driving motor 7, the turbine 71, the turbine shaft 72, the impeller 8, the rotating ring 9 and the diaphragm pump.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
A mixing method of additive auxiliary materials for paste mixing is suitable for uniformly mixing lead powder, additive auxiliary materials, pure water, dilute sulfuric acid and other materials during paste mixing production so as to enable a paste mixing machine to efficiently mix paste, and the mixing device of the additive auxiliary materials for paste mixing shown in figure 1 is adopted, and specifically comprises the following steps:
a. and adding the additive auxiliary materials for paste mixing, pure water and dilute sulfuric acid into a stirring dispersion kettle 1 according to a set proportion, and stirring and mixing uniformly to form a dilute material. The pure water and the dilute sulfuric acid can be input into the stirring dispersion tank through a flow meter 2, so that the input amount of the pure water and the dilute sulfuric acid can be accurately measured. The powdery additive auxiliary materials can be weighed and then injected into the stirring dispersion kettle. That is, a flow meter is provided on the transfer line for transferring pure water, and similarly, a flow meter is provided on the transfer line for transferring dilute sulfuric acid, and the transfer line is connected to the upper portion of the agitation dispersion tank. The flow meter can monitor the amount of pure water and dilute sulfuric acid entering the stirring dispersion kettle in real time, so that the accurate proportioning of each component is facilitated, and the mixing and stirring efficiency is not influenced;
b. gradually adding the weighed lead powder into a stirring dispersion kettle, and uniformly stirring the lead powder and the thinner to form a mixture;
c. and opening an electric control discharge valve 11 on an output pipeline at the bottom of the stirring dispersion kettle, enabling the mixture to flow into the weighing tank 3 to a set weight through the output pipeline, and then closing the discharge valve on the output pipeline. It should be noted that the discharge valve may preferably adopt an electromagnetic valve to facilitate opening and closing control;
d. in the process that the mixture flows into the weighing tank through the output pipeline, compressed air is input into the weighing tank through the high-pressure air pipe 4, and the mixture in the weighing tank is turned and mixed up and down through the compressed air. That is, the high-pressure air pipe is connected with a compressed air source;
e. and (3) sending the mixture in the weighing tank into a paste mixing machine 5 by using a diaphragm pump (not shown in the figure), and performing paste mixing production. It can be understood that the diaphragm pump can effectively avoid the corrosion of the mixture to the pump body, and is beneficial to prolonging the service life. In addition, a diaphragm pump 9 can be arranged on an output pipeline connecting the stirring dispersion kettle and the weighing tank so as to convey the mixture into the weighing tank by the diaphragm pump.
The lead powder, the additive auxiliary materials, the pure water and the dilute sulfuric acid are stirred and mixed in the stirring dispersion kettle, and the paste mixing production can be simultaneously carried out in the paste mixing machine, so that the stirring and the paste mixing are realized, and the efficiency of the paste mixing production is effectively improved.
Because the amount of the additive auxiliary materials is less, the invention firstly adds a small amount of additive auxiliary materials, pure water and dilute sulphuric acid into a stirring dispersion kettle to be stirred and mixed into a dilute material. It can be understood that the additive auxiliary materials can be easily and uniformly diffused and even dissolved in the liquid formed by pure water and dilute sulfuric acid, so that a uniformly mixed thin material can be formed, and when the thin material and lead powder are stirred and mixed to form a mixed material, the rapid dispersion and uniform stirring of all components are facilitated.
Particularly, when the mixture enters the weighing tank for weighing and metering, compressed air is input into the weighing tank through the high-pressure air pipe, and the mixture in the weighing tank can be bubbled through the compressed air, so that the mixture in the weighing tank is turned over up and down, and the uniformity of the mixture is further improved. Because the compressed air can hardly cause adverse effect to the weighing and metering of the weighing tank, the mixing uniformity of the mixture can be further improved on the premise of ensuring the accurate weighing of the weighing tank.
As a preferable scheme, as shown in fig. 2, 3 and 4, the high-pressure gas pipe comprises an air injection coil 41 positioned at the lower part of the weighing tank, one end of the air injection coil is communicated with an air inlet pipe 42 arranged at the upper part of the weighing tank, the other end of the air injection coil is closed, the air inlet pipe is connected with a compressed gas source, n circles of air injection holes 411 arranged at equal intervals in the length direction are arranged on the air injection coil, in the cross section of the air injection coil, the axial line of the air injection holes forms an included angle of 60 degrees to 75 degrees with the radial direction of the air injection coil, the air injection holes of each circle are uniformly arranged in the circumferential direction, an offset angle alpha is formed between the air injection holes of two adjacent circles from one end to the other end of the air injection coil in the circumferential direction, and alpha x n =360 degrees x b, wherein b is a positive integer.
When compressed gas is input into the high-pressure gas pipe, the compressed gas can be sprayed out from each gas orifice on the gas-spraying coil pipe along the tangential direction, so that the mixture in the weighing tank is driven to turn up and down, and the mixing uniformity is further improved. It can be understood that on the one hand, set up a plurality of fumaroles, can reduce the flow and the velocity of flow of every fumarole, avoid the mixture to influence the precision of weighing because of local "violent churning" appears, on the other hand, the compressed gas that each fumarole of fumarole coil pipe that is favorable to submerging in the mixture can stir the mixture uniformly.
In particular, we can make an offset angle α between the gas injection holes of two adjacent circles in the circumferential direction, and α × n =360 ° × b, that is, the sum of the offset angles of the gas injection holes of the circles on the gas injection coil is just an integer number of circles. Like this, on the one hand be favorable to gas injection coil pipe more evenly spout compressed gas in order to stir the mixture, and on the other hand, gas injection coil pipe spun compressed gas is even in circumference, both can avoid the mixture to appear locally "violently turning over" phenomenon effectively, can ensure again that gas injection coil pipe can receive even mixture reaction when jet-propelled, avoids gas injection coil pipe to appear the vibration phenomenon.
Further, the gas spraying coil pipe is in a vertically arranged spiral shape, the gas inlet pipe is connected to the lower end of the gas spraying coil pipe, that is, compressed gas flows from bottom to top in the gas spraying coil pipe, it can be understood that the pressure of the compressed gas sprayed from a gas spraying port of the gas spraying coil pipe from bottom to top is gradually reduced, and accordingly, the resistance of the sprayed compressed gas for stirring the mixture is gradually reduced from bottom to top, so that the pressure of the compressed gas, the change energy of the stirring force and the resistance of the mixture form a positive correlation relationship.
In addition, the height of the air jet coil in the weighing tank is 1/2-2/3 of the height of the mixed material reaching the set weight, so that compressed air can fully stir the mixed material, and the phenomenon that the mixed material is locally turned over violently due to the compressed air jetted from the air jet holes in the upper layer can be avoided.
In order to fully and uniformly stir the materials in the stirring dispersion kettle, a dispersion machine, an emulsifying machine and a frame type stirrer 6 are arranged in the stirring dispersion kettle, so that various materials in the dispersion kettle are effectively dispersed and emulsified, and the uniformity of material mixing is promoted. Specifically, as shown in fig. 1 and 5, the frame stirrer comprises a vertical rectangular frame 61, a vertical driving shaft 62 is arranged in the middle of the rectangular frame, and a driving motor 63 in transmission connection with the driving shaft is arranged on the outer side of the top of the stirring dispersion tank. The frame type stirrer with the vertical rectangular frame is beneficial to uniformly stirring various materials in the large-capacity stirring dispersion kettle.
Preferably, the capacity of the stirring dispersion kettle is 3000 liters, so that the mixture stirred uniformly at one time can meet the requirement of continuous paste mixing production of a paste mixing machine for one day.
Further, as shown in fig. 6, a plurality of turbines 7 can be arranged on the vertical side 611 of the rectangular frame at intervals, wherein each turbine comprises a turbine shaft 71 arranged horizontally and an impeller 72 connected to one end of the turbine shaft, the other end of the turbine shaft is connected to the vertical side, and the turbine shaft is located in the tangential direction corresponding to the rotation direction of the vertical side. When the driving motor drives the vertical rectangular frame to rotate through the driving shaft, the turbine on the vertical edge and the material form relative motion, and the material at the moment can enable the turbine to rotate, so that the thin materials or the mixed materials in the stirring dispersion kettle are stirred and dispersed.
Of course, the outer diameter of the turbine can be properly controlled to reduce the resistance of the turbine when rotating to stir the material and avoid the phenomenon of local 'violent tumbling' of the material.
It should be noted that the turbine should be arranged on the rear side of the vertical side in the rotation direction, that is, the turbines on the two vertical sides are arranged in a central symmetry, not in a symmetry.
Furthermore, a spherical cavity 612 is arranged on the vertical edge, a circular through hole 613 and a rectangular hole 614 which extend along the tangential direction of the rotation direction of the vertical edge are arranged on the front side of the vertical edge in the rotation direction, the circular through hole penetrates through the rear side of the vertical edge, and the rectangular hole extends to two width side edges and is tangent to the spherical cavity. That is, the depth of the rectangular hole is the same as the position of the spherical center of the spherical cavity. In addition, the axis of circular through-hole and the coincidence of the central line of rectangular hole, the centre of sphere of spherical cavity is located on the axis of circular through-hole, be equipped with in spherical cavity and rotate ring 8, it includes two terminal surfaces that are parallel to each other, connects the toroidal between two terminal surfaces to rotate the toroidal, the toroidal is the sphere with spherical cavity adaptation, the turbine shaft passes the circular through-hole of vertical limit rear side, and connect in the hole that rotates the toroidal, the width of rectangular hole is not less than the thickness that rotates the toroidal.
It should be noted that, in this embodiment, the side of the frame stirrer facing the material with the vertical edge is referred to as the front side, and the other side of the frame stirrer facing away from the material is referred to as the rear side. And the turbine shaft may be threaded onto the rotating ring.
The turbine shaft on the turbine is connected in the inner hole of the rotating circular ring, and the rotating circular ring is in ball joint with the spherical cavity on the vertical side. Thus, the turbine wheel can rotate 360 ° about the spherical center of the spherical cavity by the turbine shaft.
It will be appreciated that the turbine will naturally droop under its own weight when the rectangular frame is not rotated. When the rectangular frame rotates to stir materials, the turbine positioned on the rear side of the vertical edge is upwards rotated by the resistance of the materials until the turbine shaft is close to a horizontal state, and the turbine at the moment can drive the rotating circular ring to rotate in the spherical cavity through the turbine shaft.
When the turbine needs to be installed on the vertical edge, the rotating ring can be rotated by 90 degrees, so that the rotating ring enters the rectangular hole from the front side of the vertical edge according to the thickness; when the spherical center of the annular surface of the rotating circular ring is coincident with the spherical center of the spherical cavity, the rotating circular ring is rotated by 90 degrees, so that the axis of the rotating circular ring is basically coincident with the axis of the circular through hole, and at the moment, the turbine shaft can penetrate through the circular through hole at the rear side of the vertical edge and is connected in the inner hole of the rotating circular ring. On the one hand, the rotating ring can rotate 360 degrees in the spherical cavity, on the other hand, the rotating ring can be effectively prevented from being separated from the spherical cavity, and the assembly connection of the turbine and the vertical edge is facilitated.
Claims (7)
1. A mixing method of additive and auxiliary materials for paste mixing is characterized by comprising the following steps:
a. adding the additive auxiliary materials for paste mixing, pure water and dilute sulfuric acid into a stirring dispersion kettle, and uniformly stirring and mixing to form a dilute material;
b. gradually adding lead powder into the stirring dispersion kettle, and uniformly stirring the lead powder and the thinner to form a mixture;
c. opening an electromagnetic valve on an output pipeline at the bottom of the stirring dispersion kettle, enabling the mixture to flow into the weighing tank through the output pipeline to reach a set weight, and then closing the electromagnetic valve on the output pipeline;
d. in the process that the mixture flows into the weighing tank through the output pipeline, compressed air is input into the weighing tank through the high-pressure air pipe, and the mixture in the weighing tank is turned and mixed up and down through the compressed air;
e. and (5) sending the mixture in the weighing tank into a paste mixing machine by using a diaphragm pump, and performing paste mixing production.
2. The method for mixing the additive and the auxiliary material for paste mixing according to claim 1, wherein the high-pressure gas pipe comprises an air injection coil pipe positioned at the lower part of the weighing tank, one end of the air injection coil pipe is communicated with a gas inlet pipe arranged at the upper part of the weighing tank, the other end of the air injection coil pipe is closed, the gas inlet pipe is connected with a compressed gas source, n circles of air injection holes which are arranged at equal intervals are arranged on the air injection coil pipe, the axis of each air injection hole and the radial direction of the air injection coil pipe form an included angle of 60-75 degrees, each circle of air injection holes are uniformly arranged in the circumferential direction, an offset angle alpha is formed between every two adjacent circles of air injection holes from one end of the air injection coil pipe to the other end of the air injection coil pipe in the circumferential direction, and alpha x n =360 degrees x b, wherein b is a positive integer.
3. The method for mixing the additive and the auxiliary material for the cream mixing as claimed in claim 2, wherein the air-jet coil is vertically arranged in a spiral shape, the air inlet pipe is connected to the lower end of the air-jet coil, and the height of the air-jet coil in the weighing tank is 1/2-2/3 when the mixed material reaches the set weight.
4. The method for mixing additive and auxiliary materials for paste mixing according to claim 3, wherein the stirring and dispersing kettle is provided with a dispersing machine, an emulsifying machine and a frame type stirrer, the frame type stirrer comprises a vertical rectangular frame, a vertical driving shaft is arranged in the middle of the rectangular frame, and a driving motor in transmission connection with the driving shaft is arranged on the outer side of the top of the stirring and dispersing kettle.
5. The method for mixing the additive and the auxiliary material for the co-paste as claimed in claim 4, wherein a plurality of turbines are arranged on the vertical side of the rectangular frame, each turbine comprises a turbine shaft and an impeller, the turbine shaft is horizontally arranged, the impeller is connected to one end of the turbine shaft, the other end of the turbine shaft is connected to the vertical side, the turbine shaft is located in the tangential direction corresponding to the rotating direction of the vertical side, and when the driving motor drives the vertical rectangular frame to rotate through the driving shaft, the turbines arranged on the vertical side rotate relative to the thin material or the mixed material, so that the thin material or the mixed material is dispersed.
6. The method as claimed in claim 1, wherein the vertical side has a spherical cavity, the front side of the vertical edge in the rotating direction is provided with a circular through hole and a rectangular hole which extend along the tangential direction of the rotating direction of the vertical edge, the circular through hole penetrates through the rear side of the vertical edge, the rectangular hole extends to two width side edges to be tangent with the spherical cavity, the spherical center of the spherical cavity is positioned on the axis of the circular through hole, a rotary circular ring is arranged in the spherical cavity and comprises two end surfaces which are parallel to each other and a circular surface connected between the two end surfaces, the annular surface is a spherical surface matched with the spherical cavity, the turbine shaft penetrates through the circular through hole at the rear side of the vertical edge, and the rectangular hole is connected in an inner hole of the rotating circular ring, and the width of the rectangular hole is not less than the thickness of the rotating circular ring.
7. The method as claimed in claim 1, wherein in the step a, pure water and dilute sulfuric acid are supplied into the mixing and dispersing tank through a flow meter to accurately measure the supply amount of the pure water and the dilute sulfuric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111116405.8A CN113976007A (en) | 2021-09-23 | 2021-09-23 | Mixing method of additive and auxiliary materials for paste mixing |
Applications Claiming Priority (1)
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| CN114733421A (en) * | 2022-03-28 | 2022-07-12 | 超威电源集团有限公司 | Vacuum paste additive auxiliary material adding and mixing process and mixing system |
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