CN213835487U - Desulfurization mixer - Google Patents
Desulfurization mixer Download PDFInfo
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- CN213835487U CN213835487U CN202023057396.3U CN202023057396U CN213835487U CN 213835487 U CN213835487 U CN 213835487U CN 202023057396 U CN202023057396 U CN 202023057396U CN 213835487 U CN213835487 U CN 213835487U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model relates to the technical field of waste lead-acid storage battery recovery, and discloses a desulfurization mixer, which comprises a tank body, a feeding pipe and a discharging pipe, wherein the feeding pipe and the discharging pipe are respectively communicated with the top and the bottom of the tank body; the three pipe openings of the three-way pipe are respectively communicated with a second circulating pipe, a third circulating pipe and a discharge pipe, the end part of the second circulating pipe, far away from the three-way pipe, is communicated with the driving pump, the end part of the third circulating pipe, far away from the three-way pipe, is communicated with the feeding pipe, the third circulating pipe is provided with a first control valve, and the discharge pipe is provided with a second control valve; the gas inlet pipe is communicated with the top of the tank body, and the part of the gas inlet pipe communicated with the tank body is opposite to the part of the feed pipe communicated with the tank body; and the exhaust pipe is communicated with the top of the tank body. The utility model discloses a cost is lower.
Description
Technical Field
The utility model relates to a lead acid battery's desulfurization technical field, in particular to desulfurization blender.
Background
A lead-acid battery (VRLA) is a battery whose electrodes are made mainly of lead and its oxides and whose electrolyte is a sulfuric acid solution. In the discharge state of the lead-acid battery, the main component of the positive electrode is lead dioxide, and the main component of the negative electrode is lead; in a charged state, the main components of the positive electrode and the negative electrode are lead sulfate.
The waste lead-acid battery is required to be recovered or treated after the service life of the waste lead-acid battery is up, and the lead plaster is required to be subjected to desulfurization treatment in the recovery process of the waste lead-acid battery; the common desulfurization method at present mainly comprises sodium desulfurization and ammonium desulfurization, namely firstly, pre-desulfurization is carried out on lead plaster by adopting a desulfurization transforming agent, and then the desulfurized lead plaster is smelted by a pyrogenic process to produce secondary lead; wherein the main desulfurization transforming agent Na2CO3、NH4HCO3、(NH4)2CO3And the like, the high capital investment is required for purchase, so the desulfurization cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a desulfurization blender aims at solving with high costs problem.
The above technical purpose of the present invention can be achieved by the following technical solutions: a desulfurization mixer, which comprises a tank body, a feeding pipe and a discharging pipe which are respectively communicated with the top and the bottom of the tank body, and also comprises a desulfurization tower,
a first circulating pipe is arranged between the driving pump and the discharge pipe;
the three pipe openings of the three-way pipe are respectively communicated with a second circulating pipe, a third circulating pipe and a discharge pipe, the end part of the second circulating pipe, far away from the three-way pipe, is communicated with the driving pump, the end part of the third circulating pipe, far away from the three-way pipe, is communicated with the feeding pipe, the third circulating pipe is provided with a first control valve, and the discharge pipe is provided with a second control valve;
the gas inlet pipe is communicated with the top of the tank body, and the part of the gas inlet pipe communicated with the tank body is opposite to the part of the feed pipe communicated with the tank body;
and the exhaust pipe is communicated with the top of the tank body.
The utility model discloses a further set up to: still including the dispersion casing, the top of dispersion casing with the third circulating pipe communicates with each other, the bottom with the top of inlet pipe communicates with each other, it is provided with a plurality of dispersion board all to incline on the relative both sides inner wall of dispersion casing, the top of dispersion board all with the interior wall connection of dispersion casing is located the dispersion casing both sides the dispersion board is the crisscross distribution of interval form, is located both sides the projection of dispersion board in vertical side has the overlap, the intake pipe with the dispersion casing communicates with each other.
The utility model discloses a further set up to: the dispersion pipe is characterized in that a plurality of dispersion pipes communicated with the air inlet pipe are uniformly arranged on the air inlet pipe, the end part of the dispersion pipe, far away from the air inlet pipe, is communicated with the dispersion shell, and the communication part of the dispersion pipes and the dispersion shell is vertically and uniformly distributed on the outer wall of the dispersion shell.
The utility model discloses a further set up to: the dispersion pipe is inclined, the top of the dispersion pipe is communicated with the air inlet pipe, and the bottom of the dispersion pipe is communicated with the dispersion shell.
The utility model discloses a further set up to: the bottom end of the third circulation pipe is directed to the dispersion plate located at the top.
The utility model discloses a further set up to: the cross section of the inner cavity of the dispersing shell is circular, the top of the dispersing plate is arc-shaped and matched with the inner wall of the dispersing shell, and the bottom of the dispersing plate is linear.
The utility model discloses a further set up to: and a third control valve is arranged on the first circulating pipe.
The utility model discloses a further set up to: pass the top of the jar body and with jar body rotates to be connected and is provided with the puddler, be provided with the stirring rake on the puddler, the top of the jar body is provided with and is used for the drive puddler pivoted driving motor.
The utility model discloses a further set up to: the bottom of the tank body is provided with a convex part which protrudes upwards, the bottom of the convex part is as high as the bottom of the tank body, and the discharge pipe is communicated with the bottom of the tank body.
The utility model discloses a further set up to: the recovery chamber is communicated with the exhaust pipe.
The utility model has the advantages that: during desulfurization, firstly mixing lead plaster with ammonium water (the concentration of ammonia water and the amount of lead plaster can be selected according to actual conditions), introducing the mixture into a tank body (for example, a pipe is arranged at the top of the tank body and is specially used for introducing mixed liquid, and a valve is closed after introduction), wherein the first control valve is in an open state, and the second control valve is in a closed state; the driving pump starts, through the inlet pipe, a jar body, the discharging pipe, first circulating pipe, the driving pump, the second circulating pipe, the circulation flow of this liquid is realized to three-way pipe and third circulating pipe, let in excessive carbon dioxide in the intake pipe simultaneously, when carbon dioxide enters into a jar body, with take effect and take place the reaction between the liquid, carbon dioxide dissolves in the aquatic after react with the aqueous ammonia, generate ammonium carbonate or ammonium bicarbonate, just so can react with the lead sulfate in the lead plaster this moment, and generate lead carbonate, and then can realize the desulfurization.
The carbon dioxide is excessively input for multiple times and continuously reacts, and the driving pump is also used for circularly driving the liquid to flow, so that the desulfurization can be repeatedly carried out before reaching a proper index, the first control valve is closed and the second control valve is opened after reaching the proper index, and the desulfurized liquid is discharged to the outside through the driving pump, the discharge pipe, the first circulating pipe, the second circulating pipe, the three-way pipe and the discharge pipe.
Moreover, because the production cost of the carbon dioxide and the ammonia gas is lower, the lead plaster is directly treated by the carbon dioxide and the ammonia gas, and the input cost can be saved from the source. Furthermore, since carbon dioxide can be introduced in excess in this reaction, the first reaction to occur is:
NH3+H2O+C02＝NH4HCO3
then lead plaster and NH4HCO3The reactions that occur are:
PbSO4+2NH4HCO3＝PbCO3+(NH4)2SO4+CO2+H2O
the overall reaction formula is therefore:
2NH3+2H2O+2CO2+PbSO4＝PbCO3+(NH4)2SO4+CO2+H2O
can see through above reaction formula, the reaction all has many carbon dioxide at every turn, but because the carbon dioxide in the structure of this application can recycle the back and reuse, the aqueous ammonia can circulate and react, consequently still fully guaranteed the utilization ratio of carbon dioxide and ammonia, further reduction the desulfurization cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of an embodiment of a desulfurization mixer of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of an embodiment of a dispersion plate in a desulfurization mixer according to the present invention.
In the figure, 1, a tank body; 2. a feed pipe; 3. a discharge pipe; 4. driving the pump; 5. a first circulation pipe; 6. a three-way pipe; 7. a second circulation pipe; 8. a third circulation pipe; 9. a discharge pipe; 10. an air inlet pipe; 11. an exhaust pipe; 12. a dispersion housing; 13. a dispersion plate; 14. a dispersion pipe; 15. a third control valve; 16. a stirring rod; 17. a stirring paddle; 18. a raised portion.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings and specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
A desulfurization mixer, as shown in figures 1 to 3, comprising a tank body 1, a feeding pipe 2 and a discharging pipe 3 which are respectively communicated with the top and the bottom of the tank body 1, and further comprising,
a driving pump 4, wherein a first circulating pipe 5 is arranged between the driving pump 4 and the discharge pipe 3;
the three pipe openings of the three-way pipe 6 are respectively communicated with a second circulating pipe 7, a third circulating pipe 8 and a discharge pipe 9, the end part, far away from the three-way pipe 6, of the second circulating pipe 7 is communicated with the driving pump 4, the end part, far away from the three-way pipe 6, of the third circulating pipe 8 is communicated with the feeding pipe 2, a first control valve is arranged on the third circulating pipe 8, and a second control valve is arranged on the discharge pipe 9;
the gas inlet pipe 10 is communicated with the top of the tank body 1, and the part of the gas inlet pipe 10 communicated with the tank body 1 is opposite to the part of the feed pipe 2 communicated with the tank body 1;
and the exhaust pipe 11 is communicated with the top of the tank body 1.
Still including dispersion casing 12, dispersion casing 12's top with third circulating pipe 8 communicates with each other, the bottom with inlet pipe 2's top communicates with each other, it is provided with a plurality of dispersion board 13 all to incline on the relative both sides inner wall of dispersion casing 12, dispersion board 13's top all with dispersion casing 12's interior wall connection is located dispersion casing 12 both sides dispersion board 13 is the crisscross distribution of interval form, is located both sides dispersion board 13 has the overlap in the projection of vertical side, intake pipe 10 with dispersion casing 12 communicates with each other.
The air inlet pipe 10 is uniformly provided with a plurality of dispersion pipes 14 communicated with the air inlet pipe 10, the end part of each dispersion pipe 14 far away from the air inlet pipe 10 is communicated with the dispersion shell 12, and the communication positions of the dispersion pipes 14 and the dispersion shell 12 are vertically and uniformly distributed on the outer wall of the dispersion shell 12. The dispersion pipe 14 is inclined, and the top of the dispersion pipe 14 is communicated with the air inlet pipe 10, and the bottom is communicated with the dispersion shell 12. The bottom end of the third circulation pipe 8 is directed to the dispersion plate 13 located at the top. The cross section of the inner cavity of the dispersing shell 12 is circular, the top of the dispersing plate 13 is arc-shaped and matched with the inner wall of the dispersing shell 12, and the bottom of the dispersing plate is linear.
A third control valve 15 is provided on the first circulation pipe 5. Pass the top of the jar body 1 and with jar body 1 rotates to be connected and is provided with puddler 16, be provided with stirring rake 17 on the puddler 16, the top of the jar body 1 is provided with and is used for the drive puddler 16 pivoted driving motor. The bottom of the tank body 1 is provided with a convex part 18 which protrudes upwards, the bottom of the convex part 18 is equal to the bottom of the tank body 1 in height, and the discharge pipe 3 is communicated with the bottom of the tank body 1.
The device also comprises a recovery chamber, and the recovery chamber is communicated with the exhaust pipe 11.
The utility model provides a pair of desulfurization blender, when the desulfurization, at first mix lead plaster and ammonium water (can select the concentration of aqueous ammonia and the volume of lead plaster according to actual conditions), guide into jar body 1 after mixing (for example have a pipe specially used for leading-in mixed liquid at the top of jar body 1, it can to close the valve after leading-in), and first control valve is open state this moment, and the second control valve is closed state; the driving pump 4 starts, through inlet pipe 2, jar body 1, discharging pipe 3, first circulating pipe 5, the driving pump 4, the second circulating pipe 7, the circulation flow of this liquid is realized to three-way pipe 6 and third circulating pipe 8, let in excessive carbon dioxide in to intake pipe 10 simultaneously, carbon dioxide is when entering into jar body 1, and produce the effect and react between the liquid, carbon dioxide dissolves in the aquatic after-reaction with the aqueous ammonia, generate ammonium carbonate or ammonium bicarbonate, just can react with the lead sulfate in the lead plaster this moment, and generate lead carbonate, and then can realize the desulfurization. Because carbon dioxide and ammonia (or ammonia) are low-cost products, the desulfurization cost is low.
Carbon dioxide is excessively input for multiple times and continuously reacts, the driving pump 4 is also used for circularly driving liquid to flow, so that the desulfurization can be repeatedly carried out before reaching a proper index, the first control valve is closed and the second control valve is opened after reaching the proper index, and the liquid after the desulfurization is discharged to the outside through the driving pump 4, the discharge pipe 3, the first circulating pipe 5, the second circulating pipe 7, the three-way pipe 6 and the discharge pipe 9.
Wherein, still have cavity form to disperse the body 12 between feed pipe 2 and third circulating pipe 8, so the liquid that the circulating pump drive circulates enters into dispersing the body 12 at first, enter the feed pipe 2 again, then enter the tank body 1, and in this process, because there are a plurality of dispersion plates 13 set up alternately on the inboard wall of the tank body 1, so the liquid has received the dispersing action of the dispersion plate 13 at the same time, namely after the liquid impacts or flows down on the dispersion plate 13, the dispersion plate 13 makes the liquid burst or overflow, carbon dioxide is injected into dispersing the body 12 through the dispersion pipe 14 at the same time, so carbon dioxide and liquid can be well dispersed, thus the total area contacted between carbon dioxide gas and liquid of very good increase, accelerate reaction efficiency; meanwhile, as can be seen from fig. 1 and 2, each dispersing pipe 14 directly faces one of the dispersing plates 13 or the bottom of the dispersing shell 12, so that the excessive carbon dioxide can directly impact the flowing-down liquid, which not only can further disperse the liquid, but also can make the carbon dioxide directly act with the liquid and then dissolve in the liquid, thereby further accelerating the reaction. Meanwhile, since each dispersion pipe 14 is inclined downward, liquid can be prevented from entering the dispersion pipe 14 and the air inlet pipe 10.
Wherein, the diameter of the feeding pipe 2 is 1/2-1/5 of the diameter of the discharging pipe 3, so that the speed of liquid entering the dispersion shell 12 can be increased, and the liquid can impact the dispersion plate 13 more quickly; and in the desulfurization process, the impact action can crush the lead carbonate product layer wrapped on the outer surface of the lead sulfate particles, so that carbon dioxide can be more uniformly mixed and reacted with ammonia water and lead plaster (lead sulfate). Wherein the infusion pressure of carbon dioxide is 0.1-0.8kg/cm2, the lift of the driving pump 4 is 26-80m, preferably more than 50 m; after desulfurization, the sulfur content of the lead plaster is less than 0.5 percent through detection.
Wherein the bottom end of the third circulation pipe 8 is opposite to the dispersion plate 13 at the top, so when the liquid enters the dispersion shell 12 from the third circulation pipe 8, the liquid can directly impact on the dispersion plate 13, and the dispersion degree of the liquid can be greatly improved at the beginning; meanwhile, the bottom of the dispersion plate 13 is linear, so when the liquid flows down, the liquid has larger flow area and length, the dispersion degree of the liquid is also increased, and the contact area between the concentrated liquid and carbon dioxide is prevented from being smaller.
When liquid is injected into the tank body 1 for the first time, the third control valve 15 can be closed first, so that liquid which is not processed can be prevented from flowing into or out of the discharge pipe 9 after passing through the discharge pipe 3, the first circulating pipe 5, the driving pump 4, the second circulating pipe 7 and the three-way pipe 6, the third control valve 15 is opened before desulfurization, and at the moment, as the second control valve is closed and the discharge pipe 9 is arranged higher than the three-way pipe 6, liquid which is not reacted or is less reacted can be well prevented from entering the discharge pipe 9 during reaction.
During the reaction, a driving motor (not shown in the figure) drives the stirring rod 16 and the stirring paddle 17 to rotate, so that the liquid dissolved with the carbon dioxide can fully react; wherein, a sealing ring or a sealing bearing is arranged between the stirring rod 16 and the tank body 1, which can prevent the carbon dioxide from leaking out from the space between the stirring rod 16 and the tank body 1 and then being wasted. The redundant carbon dioxide is discharged through the exhaust pipe 11 and then recycled to the recycling chamber (not shown in the figure) for subsequent continuous use, so that the cost is saved.
In a further embodiment, a second three-way valve (not shown) is further included, and three ends of the second three-way valve are respectively communicated with the discharging pipe 3, the first circulating pipe 5 and the cleaning pipeline (not shown), wherein a third control valve 15 is positioned on the cleaning pipeline; when the materials after the reaction are discharged finally, the cleaning pipeline is lower than all the tank body 1, the discharge pipe 3, the first circulating pipe 5 and the circulating pump, so that the materials can flow out to the outside through the cleaning pipeline under the action of gravity to the maximum extent, and when the desulfurization is carried out at ordinary times, the third control valve 15 is in a closed state, and the normal operation of the desulfurization is not influenced. At the same time, the bulge 18 causes less liquid to be left in the middle of the tank 1, so that the liquid can be discharged to a greater extent.
It should be noted that, in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.
Claims (10)
1. A devulcanizing mixer, comprising: comprises a tank body (1), a feeding pipe (2) and a discharging pipe (3) which are respectively communicated with the top and the bottom of the tank body (1), and also comprises a discharge pipe,
a driving pump (4), wherein a first circulating pipe (5) is arranged between the driving pump (4) and the discharge pipe (3);
the three pipe openings of the three-way pipe (6) are respectively communicated with a second circulating pipe (7), a third circulating pipe (8) and a discharge pipe (9), the end part, far away from the three-way pipe (6), of the second circulating pipe (7) is communicated with the driving pump (4), the end part, far away from the three-way pipe (6), of the third circulating pipe (8) is communicated with the feed pipe (2), a first control valve is arranged on the third circulating pipe (8), and a second control valve is arranged on the discharge pipe (9);
the gas inlet pipe (10), the gas inlet pipe (10) is communicated with the top of the tank body (1), and the part of the gas inlet pipe (10) communicated with the tank body (1) is right opposite to the part of the feed pipe (2) communicated with the tank body (1);
the exhaust pipe (11), the exhaust pipe (11) with the top of the jar body (1) communicates with each other.
2. A desulfurization mixer in accordance with claim 1, wherein: still including dispersion casing (12), the top of dispersion casing (12) with third circulating pipe (8) communicate with each other, the bottom with the top of inlet pipe (2) communicates with each other, all incline on the both sides inner wall that dispersion casing (12) are relative and be provided with a plurality of dispersion board (13), the top of dispersion board (13) all with the interior wall connection of dispersion casing (12) is located dispersion casing (12) both sides dispersion board (13) are the crisscross distribution of interval form, are located both sides dispersion board (13) have the overlap in the ascending projection of vertical side, intake pipe (10) with dispersion casing (12) communicate with each other.
3. A desulfurization mixer in accordance with claim 2, wherein: the air inlet pipe (10) is evenly provided with a plurality of dispersion pipes (14) which are communicated with the air inlet pipe (10), the end parts of the dispersion pipes (14) far away from the air inlet pipe (10) are communicated with the dispersion shell (12), and the communication parts of the dispersion pipes (14) and the dispersion shell (12) are evenly distributed on the outer wall of the dispersion shell (12) in a vertical shape.
4. A desulfurization mixer in accordance with claim 3, wherein: the dispersion pipe (14) is inclined, the top of the dispersion pipe (14) is communicated with the air inlet pipe (10), and the bottom of the dispersion pipe is communicated with the dispersion shell (12).
5. A desulfurization mixer in accordance with claim 2, wherein: the bottom end of the third circulation pipe (8) is directed to the dispersion plate (13) located at the top.
6. A desulfurization mixer in accordance with claim 2, wherein: the cross section of the inner cavity of the dispersing shell (12) is circular, the top of the dispersing plate (13) is arc-shaped and matched with the inner wall of the dispersing shell (12), and the bottom of the dispersing plate is linear.
7. A desulfurization mixer in accordance with claim 1, wherein: and a third control valve (15) is arranged on the first circulating pipe (5).
8. A desulfurization mixer in accordance with claim 1, wherein: pass the top of the jar body (1) and with jar body (1) rotates to be connected and is provided with puddler (16), be provided with stirring rake (17) on puddler (16), the top of the jar body (1) is provided with and is used for the drive puddler (16) pivoted driving motor.
9. A desulfurization mixer in accordance with claim 1, wherein: the bottom of the tank body (1) is provided with a convex part (18) which protrudes upwards, the bottom of the convex part (18) is as high as the bottom of the tank body (1), and the discharge pipe (3) is communicated with the bottom of the tank body (1).
10. A desulfurization mixer in accordance with claim 1, wherein: the device also comprises a recovery chamber, and the recovery chamber is communicated with the exhaust pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023057396.3U CN213835487U (en) | 2020-12-17 | 2020-12-17 | Desulfurization mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023057396.3U CN213835487U (en) | 2020-12-17 | 2020-12-17 | Desulfurization mixer |
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| Publication Number | Publication Date |
|---|---|
| CN213835487U true CN213835487U (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023057396.3U Active CN213835487U (en) | 2020-12-17 | 2020-12-17 | Desulfurization mixer |
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| Country | Link |
|---|---|
| CN (1) | CN213835487U (en) |
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2020
- 2020-12-17 CN CN202023057396.3U patent/CN213835487U/en active Active
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