Wastewater treatment device and treatment process

Abstract

The present invention discloses a wastewater treatment device and treatment process, including a tank body, a partition plate is installed in the tank body, the partition plate divides the internal volume of the tank body into two cavities, the partition plate is provided with a trough body 1, the trough body 1 is slidably connected with a movable plate, the movable plate can move up and down, the partition plate is provided with a through hole, the through hole is located at the left end position of the top of the trough body 1, the upper end and the right end of the trough body 1 are open, the through hole is the water inlet end, the right end of the trough body 1 is the water outlet end, the wastewater passing through the through hole flows from left to right along the inner wall of the trough body 1 and the upper end surface of the movable plate, and the movable plate moves downward during the flow; and also includes a bracket, the bottom of the bracket is slidably connected with a slider, the slider can move left and right, the slider is located above the movable plate, when the movable plate moves to the upper end limit position, the slider can move from the right end of the movable plate to the left end, and when moving, the upper end surface of the movable plate abuts against the lower end surface of the slider. The present invention provides a wastewater treatment device and treatment process, which can quickly reduce the content of suspended matter in wastewater and greatly improve the treatment efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of wastewater treatment, and in particular to a wastewater treatment device and a treatment process. Background Art

[0002] With the rapid increase in the amount of industrial wastewater discharged, the treatment efficiency of wastewater treatment equipment is particularly important. Suspended solids in wastewater are generally removed by sedimentation. However, during sedimentation, wastewater needs to be placed in a static environment, and the wastewater is allowed to precipitate freely or add auxiliary agents to accelerate its precipitation. The removal efficiency of suspended solids in wastewater is relatively low, which is insufficient. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a wastewater treatment device and a treatment process to quickly reduce the content of suspended matter in wastewater and greatly improve the treatment efficiency.

[0004] The invention discloses a wastewater treatment device, comprising a tank body, a partition plate installed in the tank body, the partition plate divides the internal volume of the tank body into two cavities, the partition plate is provided with a trough body one, the trough body one is slidably connected with a movable plate, the movable plate can move up and down, the partition plate is provided with a through hole, the through hole is located at the left end position of the top of the trough body one, the upper end and the right end of the trough body one are open, the through hole is the water inlet end, the right end of the trough body one is the water outlet end, the wastewater flowing out of the through hole flows from left to right along the inner wall of the trough body one and the upper end surface of the movable plate, and the movable plate moves downward during the flow; the device also includes a bracket, the bottom of the bracket is slidably connected with a slider, the slider can move left and right, the slider is located above the movable plate, when the movable plate moves to the upper end limit position, the slider can move from the right end of the movable plate to the left end, and when moving, the upper end surface of the movable plate abuts against the lower end surface of the slider.

[0005] Furthermore, the flow rate of wastewater flowing out of the through hole is controlled at 100 ml / s-200 ml / s, and the liquid level height at the upper end of the movable plate (31) is controlled at 10 mm-15 mm.

[0006] Furthermore, the partition is installed with a valve, the valve outlet is connected to the through hole, and the valve inlet is connected to an external wastewater source through a pipeline.

[0007] Furthermore, convex strips are provided on both sides of the movable plate in the length direction, the side wall on which the two convex strips are far away from each other is a vertical surface, and the side on which the two convex strips are close to each other is an arc-shaped inner wall surface.

[0008] Furthermore, the slider includes an extension portion at the bottom and raised portions at both sides of the extension portion, the bottom surface of the extension portion can fit with the upper end surface of the movable plate, a groove body three is formed between the extension portion and the raised portion, and the convex strip can be inserted into the groove body three.

[0009] Furthermore, the tank body is equipped with a hopper, the hopper is provided with a silo, and the left end of the bracket is located above the silo.

[0010] Furthermore, the bracket is installed with a driving member 2, the output end of the driving member 2 is connected to a connecting plate 1, the connecting plate 1 is connected to a connecting plate 2, and the connecting plate 2 is connected to the slider.

[0011] Furthermore, the slider can be moved to the left end of the bracket.

[0012] The present invention also discloses a wastewater treatment process, using a wastewater treatment device, comprising the following process steps:

[0013] ①In the initial state, the valve is in a closed state, and the movable plate is at the upper limit position. As the movable plate moves downward, when the top position of the movable plate is lower than the bottom of the through hole, the valve opens, and the wastewater from the through hole flows from left to right along the inner wall of the tank body and the upper surface of the movable plate. At the same time, the movable plate moves downward slowly, and some suspended matter in the wastewater moves downward with the movable plate and is retained on the two side walls of the tank body. When the movable plate moves to the lower limit position, the valve closes;

[0014] ② The moving plate moves upward, and the vertical surface of the convex strip scrapes the wastewater suspended matter retained on one side wall of the tank;

[0015] ③ When the movable plate moves upward to the upper limit position, the slider moves to the left and enters above the movable plate. After entering, the bottom surface of the slider fits with the top surface of the movable plate. When the slider moves to the left end of the bracket, the wastewater suspended matter on the movable plate is scraped from right to left along the length direction of the movable plate to the silo.

[0016] Beneficial effects of the present invention:

[0017] A wastewater flow channel is formed by the movable plate and the tank body, and the wastewater flow rate is reduced. The liquid level height on the upper end of the movable plate is controlled at 10mm-15mm. When the wastewater flows, the movable plate moves downward at the same time, so that the suspended matter in the wastewater is easily retained on one side wall of the tank body, thereby quickly separating it from the wastewater and quickly reducing the suspended matter content in the wastewater. Compared with the traditional sedimentation method, its treatment efficiency is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 For the embodiment of the three-dimensional Figure 1 ;

[0019] Figure 2 is a cross-sectional view of an embodiment;

[0020] Figure 3 for Figure 2 Sectional view along the MM direction;

[0021] Figure 4 It is a cross-sectional view of the cooperation between the moving plate and the slider in the embodiment;

[0022] Figure 5 For the embodiment of the three-dimensional Figure 2 ;

[0023] Figure 6 for Figure 5 Enlarged view of point A in the middle.

[0024] Figure numerals: tank body 1, tank body main body 11, inlet 111, end cover 12, outlet 121, base 13, cavity 14, partition 2, trough body 21, through hole 22, valve 221, pipeline 222, drive member 1 3, movable plate 31, convex strip 311, fixed block 4, trough body 2 41, bracket 5, drive member 2 6, connecting plate 1 61, connecting plate 2 62, slider 63, extension part 631, protrusion 632, trough body 3 633, hopper 7, silo 71. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in this embodiment to clearly and completely describe the technical solution in this embodiment. Obviously, the described embodiment is only a part of the embodiment of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0026] like Figure 1 , Figure 2 As shown, a wastewater treatment device is used to quickly remove suspended matter in industrial wastewater and reduce the content of suspended matter in the wastewater. The wastewater treatment device includes a tank body 1, which includes a tank body main body 11. The tank body main body 11 is cylindrical, and end caps 12 are connected to both ends of the tank body main body 11 axially. The inside of the tank body 1 is hollow. A base 13 is installed at the bottom of the tank body 1 for fixing.

[0027] like Figure 2 As shown, an inlet 111 is provided at the upper left end of the tank body 11 for introducing wastewater, and an outlet 121 is provided at the end cover 12 on the right side for discharging the treated wastewater.

[0028] like Figure 2 As shown, a partition 2 is installed in the tank body 1, and the outer peripheral wall of the partition 2 is in contact with the inner peripheral wall of the tank body 11. The partition 2 divides the internal cavity of the tank body 1 into two left and right cavities 14.

[0029] like Figure 2 As shown, the partition 2 is provided with a through hole 22, and the two axial ends of the through hole 22 are respectively connected to the two cavities 14. The partition 2 is installed with a valve 221, the outlet of the valve 221 is connected to the through hole 22, and the inlet of the valve 221 is connected to the wastewater source through a pipe 222. The wastewater is controlled to flow from the through hole 22 into the cavity 14 on the right by controlling the opening and closing of the valve 221.

[0030] like Figure 5 , Figure 6 As shown, the partition 2 is provided with a groove 21. Figure 2 In the embodiment, the upper and right ends of the tank body 21 are open, the tank body 21 is slidably connected to a moving plate 31, the bottom of the moving plate 31 is connected to a driving member 3, the driving member 3 is a cylinder, the moving plate 31 can move up and down, the through hole 22 is located at the left end of the top of the tank body 21, the through hole 22 is the water inlet end, the right end of the tank body 21 is the water outlet end, the wastewater from the through hole 22 flows from left to right along the inner wall of the tank body 21 and the upper end surface of the moving plate 31, and the moving plate 31 moves downward during the flow. The flow rate of the wastewater from the through hole 22 is controlled at 100ml / s-200ml / s, and the liquid level height at the upper end of the moving plate 31 is controlled at 10mm-15mm, so that part of the suspended matter in the wastewater is retained on the two side walls of the tank body 21 perpendicular to the moving direction of the moving plate 31 as the moving plate 31 moves downward.

[0031] like Figure 3 , Figure 4 As shown, convex strips 311 are provided on both sides of the moving plate 31 in the length direction, and the side wall on which the two convex strips 311 are far from each other is a vertical surface, and the side on which the two convex strips 311 are close to each other is an arc-shaped inner wall surface. Figure 5 As shown, when the movable plate 31 moves upward, the wastewater flow at the through hole 22 is stopped, and the vertical surface of the convex strip 311 scrapes the wastewater suspended matter retained on the side wall of the tank body 21, and the suspended matter gathers toward the middle along the arc-shaped inner wall surface of the convex strip 311.

[0032] like Figure 1 As shown, the wastewater treatment device also includes a bracket 5, and a slider 63 is slidably connected to the bottom of the bracket 5 to Figure 2 In the position shown, the slider 63 is connected to the connecting plate 2 62, the connecting plate 2 62 is connected to the connecting plate 1 61, the connecting plate 1 61 is connected to the driving member 2 6, the driving member 2 6 is a cylinder, the driving member 2 6 is installed on the bracket 5, the slider 63 can move left and right, the slider 63 is located above the moving plate 31, the tank body 11 is installed with a hopper 7, the hopper 7 is provided with a silo 71, and the left end of the bracket 5 is located above the silo 71. When the moving plate 31 moves to the upper limit position, the slider 63 can move from the right end of the moving plate 31 to the left end, and when moving, the combination Figure 4 As shown, the upper end surface of the moving plate 31 abuts against the lower end surface of the slider 63. When the slider 63 moves to the left end of the bracket 5, the wastewater suspended matter on the moving plate 31 is scraped from right to left along the length direction of the moving plate 31 to the silo 71. After the slider 63 moves to the left end of the bracket 5, a driving plate that moves up and down can be set above the position of the slider 63 to push the wastewater suspended matter on the left end of the slider 63 downward.

[0033] like Figure 4As shown, the slider 63 includes an extension portion 631 located at the bottom and protrusions 632 located on both sides of the extension portion 631. The bottom surface of the extension portion 631 can be fitted with the upper end surface of the movable plate 31. A groove body 3 633 is formed between the extension portion 631 and the protrusion 632. The convex strip 311 can be inserted into the groove body 3 633, so that the bottom of the slider 63 can cover the upper end of the movable plate 31, so that the wastewater suspended matter on the movable plate 31 can be scraped off when the slider 63 moves.

[0034] like Figure 3 As shown, the tank body 11 is installed with a fixed block 4, and the fixed block 4 is provided with a second groove body 41, and the second groove body 41 is located above the first groove body 21, and the movable plate 31 can move upward and pass through the first groove body 21.

[0035] A wastewater treatment process, comprising the above wastewater treatment device, wherein the specific process steps are:

[0036] ① Figure 2 In the orientation shown, in the initial state, the valve 221 is in a closed state, the movable plate 31 is at the upper limit position, and the slider 63 is at the right limit position. As the movable plate 31 moves downward, when the top position of the movable plate 31 is lower than the bottom of the through hole 22, the valve 221 opens, and the wastewater from the through hole 22 flows from left to right along the inner wall of the tank body 21 and the upper end surface of the movable plate 31. At the same time, the movable plate 31 moves downward slowly, and part of the suspended matter in the wastewater is retained on the two side walls of the tank body 21 as the movable plate 31 moves downward. When the movable plate 31 moves to the lower limit position, the valve 221 is closed.

[0037] ② The movable plate 31 moves upward, and the vertical surface of the convex strip 311 scrapes the wastewater suspended matter retained on the side wall of the tank body 21, and the suspended matter gathers toward the middle along the arc-shaped inner wall surface of the convex strip 311.

[0038] ③ When the movable plate 31 moves upward to the upper limit position, the slider 63 moves to the left and enters above the movable plate 31. After entering, the bottom surface of the slider 63 fits with the top surface of the movable plate 31. When the slider 63 moves to the left end of the bracket 5, the wastewater suspended matter on the movable plate 31 is scraped from right to left along the length direction of the movable plate 31 to the silo 71.

[0039] By repeating the above steps, the suspended matter content in the wastewater can be quickly reduced, thereby improving the wastewater treatment efficiency.

[0040] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A wastewater treatment device, characterized in that: The invention comprises a tank body (1), wherein a partition (2) is installed in the tank body (1), wherein the partition (2) divides the internal volume of the tank body (1) into two chambers (14), wherein the partition (2) is provided with a trough body (21), wherein the trough body (21) is slidably connected with a movable plate (31), wherein the movable plate (31) can move up and down, wherein the partition (2) is provided with a through hole (22), wherein the through hole (22) is located at the left end of the top of the trough body (21), wherein the upper end and the right end of the trough body (21) are open, wherein the through hole (22) is a water inlet end, and the right end of the trough body (21) is a water outlet end, wherein the waste water discharged from the through hole (22) flows from the inner wall of the trough body (21) and the upper end surface of the movable plate (31) from left to right, and wherein the movable plate (31) moves downward during the flow; It also comprises a bracket (5), the bottom of the bracket (5) is slidably connected to a slider (63), the slider (63) can move left and right, the slider (63) is located above the movable plate (31), when the movable plate (31) moves to the upper limit position, the slider (63) can move from the right end to the left end of the movable plate (31), and when moving, the upper end surface of the movable plate (31) abuts against the lower end surface of the slider (63); The flow rate of wastewater flowing out of the through hole (22) is controlled at 100 ml / s-200 ml / s, and the liquid level at the upper end of the movable plate (31) is controlled at 10 mm-15 mm; The partition plate (2) is provided with a valve (221), the outlet of the valve (221) is connected to the through hole (22), and the inlet of the valve (221) is connected to an external wastewater source through a pipe (222); The movable plate (31) is provided with convex strips (311) on both sides in the length direction, the side wall on which the two convex strips (311) are far away from each other is a vertical surface, and the side on which the two convex strips (311) are close to each other is an arc-shaped inner wall surface; The tank body (1) is equipped with a hopper (7), the hopper (7) is provided with a silo (71), and the left end of the bracket (5) is located above the silo (71).

2. A wastewater treatment device according to claim 1, characterized in that: The slider (63) comprises an extension portion (631) located at the bottom and protrusions (632) located at both sides of the extension portion (631); the bottom surface of the extension portion (631) can be fitted with the upper end surface of the movable plate (31); a groove body (633) is formed between the extension portion (631) and the protrusion (632); and the convex strip (311) can be inserted into the groove body (633).

3. A wastewater treatment device according to claim 1, characterized in that: The bracket (5) is installed with a second driving member (6), the output end of the second driving member (6) is connected to a first connecting plate (61), the first connecting plate (61) is connected to a second connecting plate (62), and the second connecting plate (62) is connected to the slider (63).

4. A wastewater treatment device according to claim 1, characterized in that: The slider (63) can move to the left end of the bracket (5).

5. A wastewater treatment process, using the wastewater treatment device according to any one of claims 1 to 4, characterized in that: The process steps include: ① In the initial state, the valve (221) is in a closed state, and the movable plate (31) is located at the upper limit position. As the movable plate (31) moves downward, when the top position of the movable plate (31) is lower than the bottom of the through hole (22), the valve (221) opens, and the wastewater discharged from the through hole (22) flows from left to right along the inner wall of the tank body (21) and the upper end surface of the movable plate (31). At the same time, the movable plate (31) moves slowly downward, and part of the suspended matter in the wastewater moves downward with the movable plate (31) and is retained on the two side walls of the tank body (21). When the movable plate (31) moves to the lower limit position, the valve (221) is closed; ② The movable plate (31) moves upward, and the vertical surface of the convex strip (311) scrapes the wastewater suspended matter retained on the side wall of the tank body (21) upward; ③ When the movable plate (31) moves upward to the upper limit position, the slider (63) moves to the left side and enters above the movable plate (31). After entering, the bottom surface of the slider (63) fits with the top surface of the movable plate (31). When the slider (63) moves to the left end of the bracket (5), the wastewater suspended matter on the movable plate (31) is scraped from right to left along the length direction of the movable plate (31) to the silo (71).

Images