Multi-stage sedimentation device for silver powder wastewater

Abstract

The utility model relates to the technical field of silver powder wastewater treatment, in particular to a multi-stage sedimentation device for silver powder wastewater, which is used for solving the problem that most of the existing multi-stage sedimentation device for silver powder wastewater settles and recycles the silver powder wastewater in a natural standing or one-time filtering manner. The silver powder waste water settling device comprises a settling box, supporting legs are arranged at the corners of the bottom of the settling box, a discharging port is formed in the middle of the bottom end of the settling box, and a discharging control valve is arranged on the discharging port. A liquid inlet groove is formed in the outer wall of one end, away from the discharge hole, of the settling box; the silver powder waste water treatment device has the beneficial effects that solid substances in silver powder waste water can be thoroughly separated from water, silver powder is extracted from the solid substances through subsequent treatment, and the treatment effect of sedimentation treatment on the waste water is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of silver powder wastewater treatment, in particular to a multi-stage sedimentation device for silver powder wastewater. Background Art

[0002] Silver powder is an important precious metal powder material. Due to its excellent electrical and thermal conductivity, it is widely used in photovoltaics, electronic circuits, 5G communications and other fields. At present, the liquid phase chemical reduction method is a commonly used silver powder production method in the industry due to its low investment in process equipment, low production cost, easy control of process conditions, and convenience for large-scale production. The liquid phase reduction method will produce a large amount of wastewater in the process of producing silver powder.

[0003] Most of the existing multi-stage sedimentation devices for silver powder wastewater use natural standing or one-time filtration to settle and recover the silver powder wastewater, which makes it difficult to completely separate the solid matter and water in the silver powder wastewater, thereby reducing the treatment effect of the sedimentation treatment of the wastewater; at the same time, the existing multi-stage sedimentation devices for silver powder wastewater cannot clean the surface of the filter screen when filtering the silver powder wastewater, and the filter screen is easily clogged, thereby reducing the treatment efficiency of the sedimentation treatment of the wastewater. Utility Model Content

[0004] The utility model aims to provide a multi-stage sedimentation device for silver powder wastewater, which is used to solve the technical problem that most of the existing multi-stage sedimentation devices for silver powder wastewater carry out sedimentation and recovery treatment of silver powder wastewater by natural standing or one-time filtration, and it is difficult to completely separate the solid matter and water in the silver powder wastewater, thereby reducing the treatment effect of the sedimentation treatment of the wastewater; at the same time, when filtering the silver powder wastewater, the existing multi-stage sedimentation device for silver powder wastewater cannot clean the surface of the filter screen, the filter screen is easily blocked, and the treatment efficiency of the sedimentation treatment of the wastewater is reduced.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A multi-stage sedimentation device for silver powder wastewater comprises a sedimentation box, support legs are provided at the bottom corners of the sedimentation box, a discharge port is provided in the middle of the bottom end of the sedimentation box, a discharge control valve is provided on the discharge port, a liquid inlet tank is provided on the outer wall of the end of the top of the sedimentation box away from the discharge port, a liquid outlet connected to the sedimentation box is provided at one end of the liquid inlet tank, a liquid inlet is provided on the top of the liquid inlet tank, a partition plate is provided on the inner wall of the end of the top of the sedimentation box close to the liquid inlet tank, an opening is provided at the bottom of the partition plate, an EPA filter is installed in the opening, mounting seats are symmetrically provided on the inner walls at both ends of the middle part of the sedimentation box, a filter screen plate is provided between the two mounting seats, and knocking components are symmetrically provided on the outer walls at both ends of the bottom of the sedimentation box.

[0007] As a further improvement scheme of the utility model: a movable plate is slidably connected to the inner wall of one end of the top of the sedimentation box close to the liquid inlet tank, a first telescopic rod installed on the inner wall of the sedimentation box is provided in the middle of the bottom end of the movable plate, a telescopic spring sleeved on the outside of the first telescopic rod is provided in the middle of the bottom end of the movable plate, and the end of the telescopic spring away from the movable plate is connected to the inner wall of the sedimentation box, an L-shaped baffle plate slidably connected to the partition plate is fixedly connected to the end of the movable plate away from the liquid inlet tank, and a cleaning brush in contact with the surface of the EPA filter is provided on the inner wall in the middle of the L-shaped baffle plate.

[0008] As a further improvement scheme of the utility model: a placement plate is provided on the outer wall of one side of the middle part of the sedimentation box close to the liquid inlet tank, an electric push rod is provided on the top of the placement plate, a sliding rod is installed on the inner wall of the middle part of the sedimentation box, and the sliding rod is located above the filter screen plate, a sliding block is sleeved on the sliding rod, a connecting block is provided on the top of the sliding block, the output end of the electric push rod is connected to the connecting block, second telescopic rods are symmetrically provided at both ends of the bottom of the sliding block, a cleaning brush plate in contact with the filter screen plate is provided at the bottom of the second telescopic rod, a tension spring is sleeved between the cleaning brush plate and the second telescopic rod, a discharge port located between the mounting seat and the sliding rod is provided at one end of the middle part of the sedimentation box away from the electric push rod, and a discharge control valve is provided on the discharge port.

[0009] As a further improvement scheme of the utility model: the knocking assembly includes a fixed plate installed on the outer wall of the sedimentation box, a fixed frame is fixedly installed on the bottom of the fixed plate, a rotating motor is provided on the outer wall of the bottom end of the fixed frame, a rotating threaded rod is provided on the output end of the rotating motor, a movable sleeve is provided on the rotating threaded rod and is slidably connected to the inner wall of the fixed frame, grooves are symmetrically provided at both ends of the bottom of the sedimentation box, and a supporting bottom plate is provided on the outer wall of one end of the movable sleeve, which penetrates the groove and extends to the inside of the sedimentation box.

[0010] As a further improvement scheme of the utility model: blocking plates are symmetrically provided on the inner walls at both ends of the bottom of the sedimentation box, and the top of the blocking plates is connected to the mounting seat. A moving connecting rod is provided at the end of the top of the supporting bottom plate away from the moving sleeve, and a moving block slidingly connected to the inner wall of the sedimentation box is fixedly connected to the top of the moving connecting rod. A compression spring is provided on the top of the moving block, and a resistance block connected to the mounting seat is provided on the top of the compression spring.

[0011] The utility model has the following beneficial effects:

[0012] 1. The larger solid debris in the silver powder wastewater is filtered through the EPA filter, and the larger solid debris in the silver powder wastewater is settled on the left side of the partition plate. The rotating motor, the rotating threaded rod, the moving sleeve, the supporting bottom plate and the moving block are used in coordination to drive the resistance block to knock the filter screen plate, so that the filter screen plate can fully filter the silver powder wastewater thereon, and the smaller solid debris in the silver powder wastewater is filtered through the filter screen plate, and the smaller solid debris in the silver powder wastewater is left on the filter screen plate. The above treatment can completely separate the solid matter from the water in the silver powder wastewater, and the silver powder is extracted from the solid matter through subsequent treatment, thereby improving the treatment effect of the sedimentation treatment of the wastewater;

[0013] 2. Through the coordinated use of the moving plate, the cleaning brush and the telescopic spring, the cleaning brush is driven to move down to reciprocate and clean the surface of the EPA filter. Through the coordinated use of the electric push rod and the sliding block, the cleaning brush plate is driven to reciprocate and clean the surface of the filter plate. Through the above treatment, when filtering the silver powder wastewater, the surface of the filter can be well cleaned to avoid clogging of the filter and improve the treatment efficiency of the sedimentation treatment of the wastewater. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the internal structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the settlement box and the supporting legs in the utility model;

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the movable plate, the L-shaped baffle plate and the cleaning brush in the utility model;

[0018] Figure 4 For this utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0019] Figure 5 It is a three-dimensional structural schematic diagram of the striking component in the utility model.

[0020] Figure numerals: 1. sedimentation box; 2. support leg; 3. knocking assembly; 4. filter screen; 5. electric push rod; 6. first telescopic rod; 7. telescopic spring; 8. liquid inlet tank; 9. moving plate; 10. L-shaped baffle; 11. partition plate; 12. EPA filter; 13. sliding rod; 14. cleaning brush; 15. sliding block; 16. second telescopic rod; 17. cleaning brush plate; 18. compression spring; 19. tension spring; 20. mounting seat; 21. moving block; 22. rotating motor; 23. moving sleeve; 24. fixed frame; 25. supporting bottom plate; 26. rotating threaded rod; 27. fixed plate. DETAILED DESCRIPTION

[0021] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1:

[0023] Most of the existing multi-stage sedimentation devices for silver powder wastewater use natural standing or one-time filtration to settle and recycle the silver powder wastewater. It is difficult to completely separate the solid matter and water in the silver powder wastewater, which reduces the treatment effect of the sedimentation treatment of the wastewater. In order to solve this problem, the following technical solutions are proposed:

[0024] like Figure 1-5 As shown, this embodiment provides a multi-stage sedimentation device for silver powder wastewater, including a sedimentation box 1, a supporting leg 2 is provided at the bottom corner of the sedimentation box 1, a discharge port is provided in the middle of the bottom end of the sedimentation box 1, a discharge control valve is provided on the discharge port, a liquid inlet trough 8 is provided on the outer wall of the end of the top of the sedimentation box 1 away from the discharge port, a liquid outlet connected to the sedimentation box 1 is provided at one end of the liquid inlet trough 8, a liquid inlet is provided on the top of the liquid inlet trough 8, a partition plate 11 is provided on the inner wall of the end of the top of the sedimentation box 1 close to the liquid inlet trough 8, and an opening is provided at the bottom of the partition plate 11. An EPA filter 12 is installed inside, and mounting seats 20 are symmetrically arranged on the inner walls at both ends of the middle part of the sedimentation box 1. A filter screen plate 4 is arranged between the two mounting seats 20. The larger solid impurities in the silver powder wastewater are filtered through the EPA filter screen 12, and the larger solid impurities in the silver powder wastewater are settled on the left side of the partition plate 11. The smaller solid impurities in the silver powder wastewater are filtered through the filter screen plate 4, and the smaller solid impurities in the silver powder wastewater are left on the filter screen plate 4. A knocking assembly 3 is symmetrically arranged on the outer walls at both ends of the bottom of the sedimentation box 1;

[0025] The knocking assembly 3 includes a fixed plate 27 installed on the outer wall of the sedimentation box 1, a fixed frame 24 is fixedly installed at the bottom of the fixed plate 27, a rotating motor 22 is provided on the outer wall of the bottom end of the fixed frame 24, a rotating threaded rod 26 is provided on the output end of the rotating motor 22, and a movable sleeve 23 is sleeved on the rotating threaded rod 26 and slidably connected to the inner wall of the fixed frame 24. Grooves are symmetrically provided at both ends of the bottom of the sedimentation box 1, and a supporting bottom plate 25 that penetrates the groove and extends to the inside of the sedimentation box 1 is provided on the outer wall of one end of the movable sleeve 23. The rotating threaded rod 26 is driven to rotate by the operation of the rotating motor 22, driving the movable sleeve 23 and the supporting bottom plate 25 move, driving the moving block 21 to move, driving the resistance block to knock the filter screen plate 4, so that the filter screen plate 4 can fully filter the silver powder wastewater thereon, and barrier plates are symmetrically arranged on the inner walls at both ends of the bottom of the sedimentation box 1, and the top of the barrier plates is connected to the mounting seat 20, and a moving connecting rod is arranged at the end of the top of the supporting bottom plate 25 away from the moving sleeve 23, and a moving block 21 slidably connected to the inner wall of the sedimentation box 1 is fixedly connected to the top of the moving connecting rod, and a compression spring 18 is arranged on the top of the moving block 21, and a resistance block connected to the mounting seat 20 is arranged on the top of the compression spring 18;

[0026] Through the above treatment, the solid matter in the silver powder wastewater can be completely separated from the water, and the silver powder can be extracted from the solid matter through subsequent treatment, thereby improving the treatment effect of sedimentation treatment of the wastewater.

[0027] Embodiment 2:

[0028] The existing multi-stage sedimentation device for silver powder wastewater cannot clean the surface of the filter screen when filtering the silver powder wastewater. The filter screen is easily blocked, which reduces the treatment efficiency of the sedimentation treatment of the wastewater. In order to solve this problem, the following technical solution is proposed:

[0029] like Figure 1 , Figure 3 and Figure 4 As shown, a movable plate 9 is slidably connected to the inner wall of one end of the top of the sedimentation box 1 close to the liquid inlet tank 8, a first telescopic rod 6 installed on the inner wall of the sedimentation box 1 is provided in the middle of the bottom end of the movable plate 9, a telescopic spring 7 sleeved on the outside of the first telescopic rod 6 is provided in the middle of the bottom end of the movable plate 9, and the end of the telescopic spring 7 away from the movable plate 9 is connected to the inner wall of the sedimentation box 1, and the end of the movable plate 9 away from the liquid inlet tank 8 is fixedly connected to an L-shaped baffle 10 slidably connected to the partition plate 11, and the silver powder wastewater enters the sedimentation box 1 from the liquid inlet tank 8. With the increase of the amount of silver powder wastewater entering, the silver powder wastewater rises and drives the movable plate 9 to pull the telescopic spring 7 upward, and the upward movement of the movable plate 9 drives the L-shaped baffle 10 to move upward, and the silver powder wastewater below passes through the EPA filter 12 and flows downward to fall on the filter plate 4, and a cleaning brush 14 in contact with the surface of the EPA filter 12 is provided on the inner wall of the middle part of the L-shaped baffle 10;

[0030] A placement plate is provided on the outer wall of one side of the middle part of the sedimentation box 1 near the liquid inlet tank 8, an electric push rod 5 is provided on the top of the placement plate, a sliding rod 13 is installed on the inner wall of the middle part of the sedimentation box 1, and the sliding rod 13 is located above the filter screen plate 4, a sliding block 15 is sleeved on the sliding rod 13, a connecting block is provided on the top of the sliding block 15, the output end of the electric push rod 5 is connected to the connecting block, and second telescopic rods 16 are symmetrically provided at both ends of the bottom of the sliding block 15, a cleaning brush plate 17 in contact with the filter screen plate 4 is provided at the bottom of the second telescopic rod 16, and a tension spring 1 is sleeved between the cleaning brush plate 17 and the second telescopic rod 16 9, the cleaning brush 14 is driven to move upward by the moving plate 9 to clean the surface of the EPA filter 12. When no more silver powder wastewater is added, the moving plate 9 moves downward under the elastic force of the telescopic spring 7, driving the cleaning brush 14 to move downward to clean the surface of the EPA filter 12 by reciprocating movement. The sliding block 15 is driven to move by the electric push rod 5, driving the cleaning brush plate 17 to move back and forth to clean the surface of the filter plate 4. A discharge port is provided at one end of the middle part of the sedimentation box 1 away from the electric push rod 5, and a discharge control valve is provided on the discharge port;

[0031] Through the above treatment, when filtering the silver powder wastewater, the surface of the filter screen can be well cleaned to avoid clogging of the filter screen and improve the treatment efficiency of the sedimentation treatment of the wastewater.

[0032] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A multi-stage sedimentation device for silver powder wastewater, comprising a sedimentation tank (1), characterized in that: The bottom corner of the sedimentation box (1) is provided with a supporting leg (2), the middle of the bottom end of the sedimentation box (1) is provided with a discharge port, and the discharge port is provided with a discharge control valve. The outer wall of the top of the sedimentation box (1) away from the discharge port is provided with a liquid inlet groove (8), one end of the liquid inlet groove (8) is provided with a liquid outlet connected to the sedimentation box (1), the top of the liquid inlet groove (8) is provided with a liquid inlet, and the inner wall of the top end of the sedimentation box (1) close to the liquid inlet groove (8) is provided with a partition plate (11), the bottom of the partition plate (11) is provided with an opening, and an EPA filter (12) is installed in the opening, mounting seats (20) are symmetrically provided on the inner walls at both ends of the middle part of the sedimentation box (1), and a filter screen plate (4) is provided between the two mounting seats (20), and knocking components (3) are symmetrically provided on the outer walls at both ends of the bottom of the sedimentation box (1).

2. A multi-stage sedimentation device for silver powder wastewater according to claim 1, characterized in that: A movable plate (9) is slidably connected to the inner wall of one end of the top of the sedimentation box (1) close to the liquid inlet groove (8); a first telescopic rod (6) mounted on the inner wall of the sedimentation box (1) is provided in the middle of the bottom end of the movable plate (9); a telescopic spring (7) sleeved on the outside of the first telescopic rod (6) is provided in the middle of the bottom end of the movable plate (9); and the end of the telescopic spring (7) away from the movable plate (9) is connected to the inner wall of the sedimentation box (1); an L-shaped baffle (10) slidably connected to the partition plate (11) is fixedly connected to the end of the movable plate (9) away from the liquid inlet groove (8); and a cleaning brush (14) in contact with the surface of the EPA filter (12) is provided on the inner wall in the middle of the L-shaped baffle (10).

3. A multi-stage sedimentation device for silver powder wastewater according to claim 1, characterized in that: A placement plate is provided on the outer wall of one side of the middle part of the sedimentation box (1) close to the liquid inlet tank (8), and an electric push rod (5) is provided on the top of the placement plate. A sliding rod (13) is installed on the inner wall of the middle part of the sedimentation box (1), and the sliding rod (13) is located above the filter screen plate (4). A sliding block (15) is sleeved on the sliding rod (13), and a connecting block is provided on the top of the sliding block (15). The output end of the electric push rod (5) is connected to the connecting block. Second telescopic rods (16) are symmetrically provided at both ends of the bottom of the sliding block (15), and a cleaning brush plate (17) in contact with the filter screen plate (4) is provided at the bottom of the second telescopic rod (16). A tension spring (19) is sleeved between the cleaning brush plate (17) and the second telescopic rod (16). A discharge port located between the mounting seat (20) and the sliding rod (13) is provided at one end of the middle part of the sedimentation box (1) away from the electric push rod (5), and a discharge control valve is provided on the discharge port.

4. A multi-stage sedimentation device for silver powder wastewater according to claim 1, characterized in that: The knocking assembly (3) comprises a fixed plate (27) mounted on the outer wall of the sedimentation box (1); a fixed frame (24) is fixedly mounted on the bottom of the fixed plate (27); a rotating motor (22) is provided on the outer wall of the bottom end of the fixed frame (24); a rotating threaded rod (26) is provided on the output end of the rotating motor (22); a movable sleeve (23) is sleeved on the rotating threaded rod (26) and is slidably connected to the inner wall of the fixed frame (24); grooves are symmetrically provided at both ends of the bottom of the sedimentation box (1); and a supporting bottom plate (25) is provided on the outer wall of one end of the movable sleeve (23) and penetrates the groove and extends to the interior of the sedimentation box (1).

5. A multi-stage sedimentation device for silver powder wastewater according to claim 4, characterized in that: The inner walls at both ends of the bottom of the sedimentation box (1) are symmetrically provided with blocking plates, the top of the blocking plates is connected to the mounting seat (20), the top of the supporting bottom plate (25) is provided with a moving connecting rod at one end away from the moving sleeve (23), the top of the moving connecting rod is fixedly connected with a moving block (21) slidably connected to the inner wall of the sedimentation box (1), the top of the moving block (21) is provided with a compression spring (18), and the top of the compression spring (18) is provided with a resistance block that is connected to the mounting seat (20).

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