Precipitation device for wastewater heavy metal recovery

Abstract

The utility model discloses a precipitation device for wastewater heavy metal recovery, which relates to the technical field of wastewater heavy metal recovery, comprises an upper cylinder body and a lower cylinder body fixedly sleeved on the peripheral surface of the bottom end of the upper cylinder body, and is characterized by further comprising a filtering and discharging unit and a disturbance cleaning unit which are arranged on the upper cylinder body, the filtering and discharging unit comprises a filter screen, a discharging pipe, a plugging head and a drainage pipe, and the filter screen is in a round hopper shape and is fixedly arranged at the bottom end of the upper cylinder body; the disturbance cleaning unit comprises a rotating shaft, a driving motor, a supporting cross rod and a cleaning brush plate. According to the utility model, the drain pipe can be matched with treated water in the lower cylinder body to be directly discharged, after the plug is assembled on the peripheral surface of the bottom end of the discharge pipe in a threaded manner, sediments intercepted in the filter screen can be accumulated in the discharge pipe in a concentrated manner, and after the plug is rotated outside the lower cylinder body to be detached, the sediments in the filter screen and the discharge pipe can directly fall down and be discharged; and the equipment is simple and convenient to discharge and drain.

Description

Technical Field

[0001] This utility model relates to the field of wastewater heavy metal recovery technology, and in particular to a sedimentation device for wastewater heavy metal recovery. Background Technology

[0002] Heavy metal pollution in wastewater is a global environmental problem that not only poses a serious threat to human health but also has long-term negative impacts on aquatic life and the entire ecosystem. Existing sedimentation devices for heavy metal recovery in wastewater require the addition of certain chemical reagents, such as flocculants, to the wastewater during operation. After a certain period of time, the sediment settles to the bottom of the reaction tank, and the remaining water can be recycled. However, existing sedimentation devices often cannot remove the sediment at the bottom in a timely manner, resulting in a decrease in treatment efficiency.

[0003] Publication number CN221894800U discloses a sedimentation device for heavy metal recovery from wastewater. This invention solves the problem that sedimentation devices cannot promptly remove sediment from the bottom. The invention uses a motor A, a lead screw, and a cleaning brush. After wastewater and chemical agents are poured into the treatment container, the motor A drives a slider to move along the threaded direction of the lead screw. This causes the moving rod connected to the slider and the cleaning brush to move together. Because the sediment accumulates on the upper surface of the filter screen, and the bottom of the cleaning brush contacts the upper surface of the filter screen, the sediment can be swept and collected to one side of the movable door. After the wastewater has settled, the movable door is opened for unified cleaning, thereby improving wastewater treatment efficiency.

[0004] While the above solutions improve wastewater treatment efficiency, the discharge of sediment and treated water requires the cooperation of submersible pumps and motor-driven cleaning components, respectively. The equipment discharge operation is complex and troublesome, and the operating cost is high. Therefore, we propose a sedimentation device for heavy metal recovery from wastewater. Utility Model Content

[0005] The main purpose of this utility model is to provide a sedimentation device for the recovery of heavy metals from wastewater. By setting up a filtration and discharge unit and a disturbance and cleaning unit, it solves the problems of complicated and troublesome discharge operation and high operating cost of the equipment.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: a sedimentation device for heavy metal recovery in wastewater, comprising an upper cylinder and a lower cylinder fixedly sleeved on the outer circumferential surface of the bottom end of the upper cylinder, and further comprising: a filter discharge unit and a disturbance cleaning unit disposed on the upper cylinder;

[0007] The filter discharge unit includes a filter screen, a discharge pipe, a sealing head, and a drain pipe. The filter screen is in the shape of a bucket and is fixedly installed at the bottom of the upper cylinder. The discharge pipe is embedded in the center of the bottom surface of the lower cylinder, and the top of the discharge pipe is fixedly connected to the bottom of the filter screen. The sealing head is threaded onto the outer circumferential surface of the bottom of the discharge pipe. The drain pipe is fixedly installed at the edge of the bottom surface of the lower cylinder and is located below the filter screen.

[0008] The disturbance cleaning unit includes a rotating shaft, a drive motor, a support crossbar, and a cleaning brush. The rotating shaft is installed at the center of the top surface of the upper cylinder via a bearing. The drive motor is fixedly installed on the top surface of the upper cylinder, and its output end is connected to the top of the rotating shaft. The support crossbar is fixedly set on the outer circumference of the bottom end of the rotating shaft and located inside the filter screen. The cleaning brush is fixedly set at the end of the support crossbar and is inclined. Cleaning wires are laid on the side of the cleaning brush near the slope of the filter screen.

[0009] Preferably, a switch valve is fixedly installed on the outer circumferential surface of the drain pipe.

[0010] Preferably, the drain pipe and the discharge pipe are arranged parallel to each other.

[0011] Preferably, there are two support crossbars arranged symmetrically on the outer circumference of the bottom end of the rotating shaft, and the cleaning brush plate is arranged in a one-to-one correspondence with the support crossbars.

[0012] Preferably, a disturbance strip is fixedly provided on the outer circumferential surface of the rotating shaft, and the disturbance strip is located inside the upper cylinder.

[0013] Preferably, a water inlet pipe is fixedly installed on the outer circumferential surface of the top end of the upper cylinder.

[0014] Preferably, a support foot is fixedly provided at the corner of the bottom surface of the lower cylinder.

[0015] Compared with the prior art, the precipitation device for heavy metal recovery from wastewater of this utility model has the following beneficial effects:

[0016] 1. In this utility model, by setting up a filter discharge unit, the lower cylinder, which is fixedly sleeved on the outer circumferential surface of the bottom end of the upper cylinder, can wrap and cover the bottom end of the upper cylinder with a funnel-shaped filter screen. The treated water that has been settled can pass through the filter screen to reach the lower cylinder. The drain pipe can directly discharge the treated water in the lower cylinder. After the plug head is threaded onto the outer circumferential surface of the bottom end of the discharge pipe, the sediment trapped in the filter screen can be concentrated and accumulated in the discharge pipe. After the plug head is rotated and removed from the lower cylinder, the sediment in the filter screen and the discharge pipe can fall directly and be discharged. The equipment discharge and drainage operation is simple and convenient.

[0017] 2. In this utility model, by setting up a disturbance cleaning unit, the operation of the drive motor can control the rotating shaft to rotate inside the upper cylinder, filter screen and discharge pipe. The support crossbar is driven by the rotating shaft to help the cleaning brush plate to make a circular motion inside the filter screen. The flocculant and the treated water are disturbed and fitted. The filter holes on the curved surface of the filter screen can be swept and cleaned by the cleaning wire on the cleaning brush plate. While ensuring the water filtration effect of the filter screen, the disturbance of the water body also completes the unblocking operation. The equipment has flexible cleaning and disturbance operation and low operating cost. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of a sedimentation device for heavy metal recovery from wastewater according to this utility model;

[0020] Figure 2 This is a top view schematic diagram of a sedimentation device for heavy metal recovery from wastewater according to the present invention;

[0021] Figure 3 This utility model Figure 2 Schematic diagram of the cross-sectional structure at point AA;

[0022] Figure 4 This utility model Figure 2 Schematic diagram of the cross-sectional structure at point BB;

[0023] Figure 5 This is a front view structural diagram of a sedimentation device for heavy metal recovery from wastewater according to the present invention.

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 1. Upper cylinder;

[0026] 2. Lower cylinder;

[0027] 3. Filter discharge unit; 301. Filter screen; 302. Discharge pipe; 303. Sealing head; 304. Drain pipe;

[0028] 4. Disturbance cleaning unit; 401. Rotating shaft; 402. Drive motor; 403. Support crossbar; 404. Cleaning brush;

[0029] 5. Switch valves on and off;

[0030] 6. Disturbance strip;

[0031] 7. Water inlet pipe;

[0032] 8. Support legs. Detailed Implementation

[0033] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0034] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0035] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Example 1

[0036] like Figure 1 , Figure 2 , Figure 3 as well as Figure 4 As shown, a sedimentation device for heavy metal recovery from wastewater includes an upper cylinder 1 and a lower cylinder 2 fixedly sleeved on the outer circumferential surface of the bottom end of the upper cylinder 1. It also includes a filter discharge unit 3 and a disturbance cleaning unit 4 disposed on the upper cylinder 1.

[0037] The filter discharge unit 3 includes a filter screen 301, a discharge pipe 302, a plug head 303, and a drain pipe 304. The filter screen 301 is in the shape of a bucket and is fixedly installed at the bottom end of the upper cylinder 1. The discharge pipe 302 is embedded in the center of the bottom surface of the lower cylinder 2, and the top end of the discharge pipe 302 is fixedly connected to the bottom end of the filter screen 301. The plug head 303 is threaded onto the outer circumferential surface of the bottom end of the discharge pipe 302. The drain pipe 304 is fixedly installed at the edge of the bottom surface of the lower cylinder 2 and is located below the filter screen 301.

[0038] The disturbance cleaning unit 4 includes a rotating shaft 401, a drive motor 402, a support crossbar 403, and a cleaning brush 404. The rotating shaft 401 is installed at the center of the top surface of the upper cylinder 1 through a bearing. The drive motor 402 is fixedly installed on the top surface of the upper cylinder 1 and its output end is connected to the top of the rotating shaft 401. The support crossbar 403 is fixedly set on the outer circumferential surface of the bottom end of the rotating shaft 401 and is located inside the filter screen 301. The cleaning brush 404 is fixedly set at the end of the support crossbar 403 and is inclined. Cleaning wires are laid on the side of the cleaning brush 404 near the slope of the filter screen 301.

[0039] Furthermore, a switch valve 5 is fixedly installed on the outer circumference of the drain pipe 304.

[0040] Furthermore, the drain pipe 304 and the discharge pipe 302 are arranged in parallel to each other.

[0041] Furthermore, a water inlet pipe 7 is fixedly installed on the outer circumferential surface of the top end of the upper cylinder 1.

[0042] Furthermore, support legs 8 are fixedly installed at the bottom corners of the lower cylinder 2.

[0043] The filter discharge unit 3 makes the equipment's discharge and drainage operations simple and convenient. Example 2

[0044] like Figure 1 , Figure 2 , Figure 3 as well as Figure 5 As shown, a sedimentation device for heavy metal recovery from wastewater includes an upper cylinder 1 and a lower cylinder 2 fixedly sleeved on the outer circumferential surface of the bottom end of the upper cylinder 1. It also includes a filter discharge unit 3 and a disturbance cleaning unit 4 disposed on the upper cylinder 1.

[0045] The filter discharge unit 3 includes a filter screen 301, a discharge pipe 302, a plug head 303, and a drain pipe 304. The filter screen 301 is in the shape of a bucket and is fixedly installed at the bottom end of the upper cylinder 1. The discharge pipe 302 is embedded in the center of the bottom surface of the lower cylinder 2, and the top end of the discharge pipe 302 is fixedly connected to the bottom end of the filter screen 301. The plug head 303 is threaded onto the outer circumferential surface of the bottom end of the discharge pipe 302. The drain pipe 304 is fixedly installed at the edge of the bottom surface of the lower cylinder 2 and is located below the filter screen 301.

[0046] The disturbance cleaning unit 4 includes a rotating shaft 401, a drive motor 402, a support crossbar 403, and a cleaning brush 404. The rotating shaft 401 is installed at the center of the top surface of the upper cylinder 1 through a bearing. The drive motor 402 is fixedly installed on the top surface of the upper cylinder 1 and its output end is connected to the top of the rotating shaft 401. The support crossbar 403 is fixedly set on the outer circumferential surface of the bottom end of the rotating shaft 401 and is located inside the filter screen 301. The cleaning brush 404 is fixedly set at the end of the support crossbar 403 and is inclined. Cleaning wires are laid on the side of the cleaning brush 404 near the slope of the filter screen 301.

[0047] Furthermore, there are two support crossbars 403, which are symmetrically arranged on the outer circumference of the bottom end of the rotating shaft 401, and the cleaning brush plate 404 is arranged in a one-to-one correspondence with the support crossbars 403.

[0048] Furthermore, a disturbance strip 6 is fixedly provided on the outer circumferential surface of the rotating shaft 401, and the disturbance strip 6 is located inside the upper cylinder 1.

[0049] Furthermore, a water inlet pipe 7 is fixedly installed on the outer circumferential surface of the top end of the upper cylinder 1.

[0050] Furthermore, support legs 8 are fixedly installed at the bottom corners of the lower cylinder 2.

[0051] The disturbance removal unit 4 makes the equipment's disturbance removal operation flexible and has low operating costs.

[0052] The working principle of this utility model is as follows:

[0053] The lower cylinder 2, fixedly sleeved on the outer circumference of the bottom end of the upper cylinder 1, covers the bottom end of the upper cylinder 1 with a funnel-shaped filter screen 301. The treated water, after sedimentation, passes through the filter screen 301 and enters the lower cylinder 2. The drain pipe 304 directly discharges the treated water from the lower cylinder 2. After the sealing head 303 is threaded onto the outer circumference of the bottom end of the discharge pipe 302, the sediment trapped in the filter screen 301 accumulates in the discharge pipe 302. After the sealing head 303 is removed by rotating it outside the lower cylinder 2, the filter screen 301 and... The sediment in the discharge pipe 302 falls directly to the discharge. The drive motor 402 controls the rotating shaft 401 to rotate inside the upper cylinder 1, filter screen 301 and discharge pipe 302. The support crossbar 403 is driven by the rotating shaft 401 to help the cleaning brush 404 make a circular motion inside the filter screen 301. The flocculant and the treated water are disturbed and set up. The filter holes on the curved surface of the filter screen 301 are swept and cleaned by the cleaning wires on the cleaning brush 404. While ensuring the water filtration effect of the filter screen 301, the disturbance of the water body also completes the unblocking operation.

[0054] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A sedimentation device for heavy metal recovery from wastewater, comprising an upper cylinder (1) and a lower cylinder (2) fixedly sleeved on the outer circumferential surface of the bottom end of the upper cylinder (1), characterized in that, Also includes: A filter discharge unit (3) and a disturbance cleaning unit (4) are installed on the upper cylinder (1). The filter discharge unit (3) includes a filter screen (301), a discharge pipe (302), a sealing head (303), and a drain pipe (304). The filter screen (301) is in the shape of a bucket and is fixedly installed at the bottom of the upper cylinder (1). The discharge pipe (302) is embedded in the center of the bottom surface of the lower cylinder (2), and the top end of the discharge pipe (302) is fixedly connected to the bottom end of the filter screen (301). The sealing head (303) is threaded and assembled on the outer circumferential surface of the bottom end of the discharge pipe (302). The drain pipe (304) is fixedly installed at the edge of the bottom surface of the lower cylinder (2), and the drain pipe (304) is located below the filter screen (301). The disturbance cleaning unit (4) includes a rotating shaft (401), a drive motor (402), a support crossbar (403), and a cleaning brush plate (404). The rotating shaft (401) is installed at the center of the top surface of the upper cylinder (1) through a bearing. The drive motor (402) is fixedly installed on the top surface of the upper cylinder (1) and its output end is connected to the top of the rotating shaft (401). The support crossbar (403) is fixedly set on the outer circumferential surface of the bottom end of the rotating shaft (401) and located inside the filter screen (301). The cleaning brush plate (404) is fixedly set at the end of the support crossbar (403) and is inclined. Cleaning steel wire is laid on the side of the cleaning brush plate (404) near the slope of the filter screen (301).

2. The sedimentation device for heavy metal recovery from wastewater according to claim 1, characterized in that: A switch valve (5) is fixedly installed on the outer circumference of the drain pipe (304).

3. The sedimentation device for heavy metal recovery from wastewater according to claim 1, characterized in that: The drain pipe (304) and the discharge pipe (302) are arranged parallel to each other.

4. The sedimentation device for heavy metal recovery from wastewater according to claim 1, characterized in that: There are two support crossbars (403) and they are symmetrically arranged on the outer circumference of the bottom end of the rotating shaft (401). The cleaning brush plate (404) is arranged in a one-to-one correspondence with the support crossbars (403).

5. A sedimentation device for heavy metal recovery from wastewater according to claim 1, characterized in that: A disturbance strip (6) is fixedly provided on the outer circumferential surface of the rotating shaft (401), and the disturbance strip (6) is located inside the upper cylinder (1).

6. A sedimentation device for heavy metal recovery from wastewater according to claim 1, characterized in that: A water inlet pipe (7) is fixedly installed on the outer circumferential surface of the top of the upper cylinder (1).

7. A sedimentation device for heavy metal recovery from wastewater according to claim 1, characterized in that: The lower cylinder (2) is fixedly provided with support feet (8) at the bottom corners.

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