Sludge sodium stannate production equipment

Abstract

The utility model is suitable for the technical field of sodium stannate production, and provides sludge sodium stannate production equipment which comprises a base, the supporting assembly is arranged at the top of the base; wherein the supporting assembly comprises a first supporting plate and a second supporting plate, the first supporting plate and the second supporting plate are fixed to the top of the base through bolts, and the first supporting plate is located on one side of the second supporting plate; the transverse plate is fixed between the first supporting plate and the second supporting plate through bolts; the rotating cylinder is fixed on the outer side wall of the first supporting plate through a bolt; sludge is easily pulped through high-speed rotation of the paddles so as to be fully mixed and reacted, the preparation efficiency is improved, solid-liquid centrifugal separation is achieved through high-speed rotation of the rotary drum, the separation effect is good, the efficiency is high, and the problem that the separation efficiency is low due to the fact that a precipitation method is used for traditional solid-liquid separation is solved; and the prepared sodium stannate can be conveniently discharged, and the discharging is rapid and sufficient.

Description

Technical Field

[0001] The utility model belongs to the technical field of sodium stannate production, in particular to sludge sodium stannate production equipment. Background Art

[0002] Printed circuit boards are basic components of the modern electronics and information industries. Tin stripping is one of the steps in the PCB manufacturing process. The tin stripping agent selectively dissolves the tin or tin-copper alloy on the copper cladding layer while ensuring that the copper substrate is not corroded. Waste nitric acid is generated during the tin stripping process of printed circuit boards. The tin in the above waste nitric acid exists in the form of hydrated tin dioxide (stannic acid) precipitation and colloid. Conventional solid-liquid separation such as centrifugation, suction filtration, and filter pressing is difficult and has a low recovery rate.

[0003] In the prior art, a Chinese patent with a reference number of CN 113832359 B discloses a method for preparing tin concentrate using tin-containing sludge, comprising: mixing the tin-containing sludge with water to prepare a tin-containing sludge slurry; adding a nitric acid solution to the tin-containing sludge slurry to obtain a mixed solution, stirring the mixed solution to obtain a first reaction solution, and performing solid-liquid separation on the first reaction solution to obtain a first precipitate. The utility model uses ammonia water to remove residual nitric acid in hydrated tin dioxide and uses water washing to increase the pH value of the precipitate to near neutrality, so that the prepared tin concentrate has a high tin content.

[0004] The comparative document provides a method for preparing tin concentrate using tin-containing sludge, but the above patent does not have corresponding equipment to realize the production of sodium stannate in the sludge, which is not convenient for rapid and efficient preparation.

[0005] Therefore, a sludge sodium stannate production equipment is proposed. Utility Model Content

[0006] The utility model provides sludge sodium stannate production equipment, aiming to solve the above problems.

[0007] The utility model is implemented as follows: sludge sodium stannate production equipment includes: a base; a support assembly arranged on the top of the base; wherein the support assembly includes: a first support plate and a second support plate fixed to the top of the base by bolts, the first support plate is located on one side of the second support plate; a cross plate fixed between the first support plate and the second support plate by bolts; a rotating cylinder fixed to the outer wall of the first support plate by bolts; a reaction barrel fixed to the output end of the rotating cylinder; a solid-liquid separation assembly arranged on the reaction barrel; wherein the solid-liquid separation assembly includes: a first motor fixed to the central position of the bottom of the reaction barrel by bolts; a rotating drum fixed to the output end of the first motor; a centrifugal filter hole opened on the outer wall of the rotating drum; a drain valve fixed to the bottom of the reaction barrel by bolts at a position close to one side of the first motor; and a beating assembly arranged above the reaction barrel.

[0008] The sludge sodium stannate production equipment, the pulping assembly includes: a first hydraulic cylinder fixed to the top of the horizontal plate by bolts; a barrel cover fixed to the output end of the first hydraulic cylinder; a second hydraulic cylinder fixed to the top of the barrel cover by bolts; a disc fixed to the output end of the second hydraulic cylinder; a second motor fixed to the center of the top of the disc by bolts; a paddle fixed to the output end of the second motor; a docking column welded to the bottom of the barrel cover; and a docking hole opened on the top of the reaction barrel.

[0009] Preferably, the reaction barrel and the second support plate are rotatably connected.

[0010] Preferably, the top of the rotating drum and the top of the reaction barrel are at the same height.

[0011] Preferably, the drain valve is communicated with the inner space of the reaction barrel.

[0012] Preferably, there are two of each of the first hydraulic cylinder and the second hydraulic cylinder, and the two first hydraulic cylinders and the two second hydraulic cylinders are symmetrically arranged on the top of the cross plate and the top of the barrel cover, respectively.

[0013] Preferably, the docking column and the docking hole are matched and docked.

[0014] Preferably, the paddle passes through the barrel cover.

[0015] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0016] The high-speed rotation of the paddle blades can realize the sludge and easy beating for sufficient mixing and reaction, thereby improving the preparation efficiency, and the high-speed rotation of the drum can realize solid-liquid centrifugal separation, with good separation effect and high efficiency, avoiding the problem of low separation efficiency caused by the traditional solid-liquid separation using the sedimentation method. The prepared sodium stannate can be conveniently discharged by lifting the barrel cover and flipping the reaction barrel, and the discharge is fast and sufficient, providing the equipment structure required for the preparation of sodium stannate in tin-containing sludge. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the reaction barrel guarantee of the utility model;

[0019] Figure 3 It is a schematic diagram of the barrel cover structure of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the support assembly of the utility model.

[0021] In the figure: 1. base; 2. support assembly; 21. first support plate; 22. second support plate; 23. cross plate; 3. rotating cylinder; 4. reaction barrel; 5. solid-liquid separation assembly; 51. first motor; 52. rotating drum; 53. centrifugal filter hole; 54. drain valve; 6. beating assembly; 61. first hydraulic cylinder; 62. barrel cover; 63. second hydraulic cylinder; 64. disc; 65. second motor; 66. paddle; 7. docking column; 8. docking hole. DETAILED DESCRIPTION

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0023] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0024] The utility model embodiment provides a sludge sodium stannate production device, such as Figure 1-4 As shown, it includes a base 1, the top of the base 1 is fixedly connected with a first support plate 21 and a second support plate 22 in a support assembly 2 by bolts, the first support plate 21 is located on one side of the second support plate 22, and a cross plate 23 is fixedly connected between the first support plate 21 and the second support plate 22 by bolts, a rotating cylinder 3 is fixedly connected to an outer wall of one side of the first support plate 21 by bolts, the rotating cylinder 3 is fixedly connected to a reaction barrel 4 through an output end on one side thereof, a first motor 51 in a solid-liquid separation assembly 5 is fixedly connected to the center of the bottom of the reaction barrel 4 by bolts, the first motor 51 is fixedly connected to a rotating drum 52 through an output end on one side thereof, a centrifugal filter hole 53 is provided on an outer wall of one side of the rotating drum 52, a drain valve 54 is fixedly connected to the bottom of the reaction barrel 4 at a position near the first motor 51 by bolts, and the drain valve 54 and the reaction barrel 4 is connected to the internal space of the reaction barrel 4, the top of the cross plate 23 is fixedly connected to the first hydraulic cylinder 61 in the beating assembly 6 by bolts, the first hydraulic cylinder 61 is fixedly connected to the barrel cover 62 through the output end on one side, the top of the barrel cover 62 is fixedly connected to the second hydraulic cylinder 63 by bolts, there are two first hydraulic cylinders 61 and two second hydraulic cylinders 63, and the two first hydraulic cylinders 61 and the two second hydraulic cylinders 63 are symmetrically arranged on the top of the cross plate 23 and the top of the barrel cover 62, respectively, the second hydraulic cylinder 63 is fixedly connected to the disk 64 through the output end on one side, the second motor 65 is fixedly connected to the paddle 66 through the output end on one side, the paddle 66 passes through the barrel cover 62, a docking column 7 is welded to the bottom of the barrel cover 62, and a docking hole 8 is opened on the top of the reaction barrel 4.

[0025] It should be noted that, since the existing tin-containing sludge for preparing tin concentrate lacks corresponding equipment to realize the production of sodium stannate in the sludge, it is not convenient to realize the preparation quickly and efficiently. The present embodiment realizes the sludge and easy pulping through the high-speed rotation of the blade 66 for sufficient mixing and reaction, thereby improving the preparation efficiency, and realizes solid-liquid centrifugal separation through the high-speed rotation of the drum 52, with good separation effect and high efficiency, avoiding the problem of low separation efficiency caused by the traditional solid-liquid separation using the sedimentation method. By lifting and lowering the barrel cover 62 and flipping the reaction barrel 4, the prepared sodium stannate can be conveniently discharged, and the discharge is fast and sufficient, providing the equipment structure required for the preparation of sodium stannate in tin-containing sludge.

[0026] Specifically, in this embodiment, the scheme mainly includes a support component 2, a solid-liquid separation component 5 and a pulping component 6. When in use, the tin-containing sludge is poured into the interior of the rotating drum 52, and water and nitric acid are poured into the interior of the rotating drum 52 together. The first hydraulic cylinder 61 drives the barrel cover 62 to move downward through the output end on one side thereof. During the downward movement of the barrel cover 62, the docking column 7 is inserted into the docking hole 8. The barrel cover 62 covers the top of the reaction barrel 4, and the paddle 66 is inserted into the interior of the rotating drum 52. At this time, the second motor 65 drives the paddle 66 to rotate through the output end on one side thereof. The paddle 66 pulps the tin-containing sludge, water and nitric acid. The tin-containing sludge and nitric acid form a reaction solution and a precipitate. The first motor 51 drives the rotating drum 52 to rotate at a high speed through the output end on one side thereof. The reaction solution and the precipitate in the drum 52 are separated into solid and liquid, and the reaction solution is discharged by centrifugation through the centrifugal filter hole 53 and finally discharged through the drain valve 54. After the preliminary solid-liquid separation is completed, the barrel cover 62 is opened, and ammonia water is injected into the drum 52 and the barrel cover 62 is closed. The precipitate and the ammonia water are neutralized and centrifuged for solid-liquid separation again. Subsequently, water is injected for precipitation and rinsing and then centrifuged to obtain sludge with high sodium stannate content. The first hydraulic cylinder 61 drives the barrel cover 62 to move upward through the output end on one side thereof, and the paddle 66 on the barrel cover 62 moves upward synchronously, and the paddle 66 is separated from the drum 52. The rotating cylinder 3 drives the reaction barrel 4 to rotate 180 degrees through the output end on one side thereof, and the open end of the reaction barrel 4 faces downward, and the sludge with high sodium stannate content is poured out of the drum 52.

[0027] In a further preferred embodiment of the present invention, Figure 1 As shown, the reaction barrel 4 and the second support plate 22 are rotatably connected, and the rotating drum 52 and the top of the reaction barrel 4 are at the same height.

[0028] In this embodiment, the bottom of the drum 52 can be made to fit the bottom of the barrel cover 62, thereby preventing the sludge and solution in the drum 52 from leaking out of the drum 52 during centrifugal motion.

[0029] In a further preferred embodiment of the present invention, Figure 1-3 As shown, the docking column 7 and the docking hole 8 match and dock.

[0030] In this embodiment, the reaction barrel 4 and the barrel cover 62 can be closely fitted together by docking the docking column 7 and the docking hole 8, thereby ensuring the stability and precision of the docking.

[0031] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0032] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0033] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0034] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. Sludge sodium stannate production equipment, characterized in that: include: Base (1); A support assembly (2) disposed on the top of the base (1); Wherein, the support assembly (2) comprises: A first support plate (21) and a second support plate (22) fixed to the top of the base (1) by bolts, wherein the first support plate (21) is located on one side of the second support plate (22); a transverse plate (23) fixed between the first support plate (21) and the second support plate (22) by bolts; A rotating cylinder (3) fixed to the outer wall of the first supporting plate (21) by means of bolts; A reaction barrel (4) fixed to the output end of the rotating cylinder (3); A solid-liquid separation component (5) disposed on the reaction barrel (4); Wherein, the solid-liquid separation component (5) comprises: A first motor (51) fixed at the center of the bottom of the reaction barrel (4) by means of bolts; A rotating drum (52) fixed to the output end of the first motor (51); A centrifugal filter hole (53) is provided on the outer wall of the rotating drum (52); A drain valve (54) fixed by bolts to a position on the bottom of the reaction barrel (4) near the first motor (51); A beating assembly (6) is arranged above the reaction barrel (4).

2. The sludge sodium stannate production equipment according to claim 1, characterized in that: The beating assembly (6) comprises: A first hydraulic cylinder (61) fixed to the top of the transverse plate (23) by bolts; a barrel cover (62) fixed to the output end of the first hydraulic cylinder (61); A second hydraulic cylinder (63) fixed to the top of the barrel cover (62) by bolts; a disc (64) fixed to the output end of the second hydraulic cylinder (63); A second motor (65) fixed at the center of the top of the disc (64) by bolts; a blade (66) fixed to the output end of the second motor (65); A docking post (7) welded to the bottom of the barrel cover (62); A docking hole (8) is provided on the top of the reaction barrel (4).

3. The sludge sodium stannate production equipment according to claim 1, characterized in that: The reaction barrel (4) and the second support plate (22) are rotatably connected.

4. The sludge sodium stannate production equipment according to claim 1, characterized in that: The top of the rotating drum (52) and the top of the reaction barrel (4) are at the same height.

5. The sludge sodium stannate production equipment according to claim 1, characterized in that: The drain valve (54) is in communication with the internal space of the reaction barrel (4).

6. The sludge sodium stannate production equipment according to claim 2, characterized in that: There are two first hydraulic cylinders (61) and two second hydraulic cylinders (63) in total, and the two first hydraulic cylinders (61) and the two second hydraulic cylinders (63) are symmetrically arranged on the top of the transverse plate (23) and the top of the barrel cover (62), respectively.

7. The sludge sodium stannate production equipment according to claim 2, characterized in that: The docking column (7) and the docking hole (8) are matched and docked.

8. The sludge sodium stannate production equipment according to claim 2, characterized in that: The paddle (66) passes through the barrel cover (62).

Images