Electroplating sewage treatment device

Abstract

The utility model relates to the technical field of sewage treatment, and provides an electroplating sewage treatment device, which comprises a treatment pool, a sewage discharge tank, a sewage discharge tank, a sewage discharge tank and a sewage discharge tank, the scraping plate is arranged at the bottom of the treatment pond, the bottom edge of the scraping plate abuts against the bottom of the treatment pond, a driving assembly is arranged on the treatment pond, and the driving end of the driving assembly is connected with the scraping plate, so that the scraping plate can linearly reciprocate between the two pollution discharge boxes. The electroplating sewage treatment device can improve the electroplating sewage treatment efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to an electroplating sewage treatment device. Background Art

[0002] In the industrial production process, electroplating technology is often used to optimize the surface of products to meet the requirements of product aesthetics, durability, etc. The applicant is engaged in the production of wind instruments. Common instruments such as trombones, trumpets and saxophones all require surface electroplating treatment. Therefore, a large amount of electroplating wastewater is also generated, which requires effective harmless treatment. The current method of treating electroplating wastewater is mainly to add alkali to the sewage pool for neutralization reaction, so that heavy metals generate water-insoluble hydroxide precipitation, which is then separated and treated. Due to its simple operation and large treatment capacity, it is a relatively common method of treating electroplating wastewater.

[0003] However, since heavy metals are deposited at the bottom of the pool, conventional manual cleaning is inefficient and very laborious, so there is an urgent need for an electroplating wastewater treatment device to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide an electroplating wastewater treatment device to solve the problems existing in the above-mentioned prior art and to improve the electroplating wastewater treatment efficiency.

[0005] To achieve the above objectives, the present invention provides the following solutions: The present invention provides an electroplating wastewater treatment device, comprising:

[0006] The treatment tank is used to neutralize and treat electroplating wastewater, and has symmetrically connected sewage tanks at both ends of the bottom;

[0007] The scraper is arranged at the bottom of the treatment tank. The bottom edge of the scraper is against the bottom of the treatment tank and is arranged along the width direction of the treatment tank. A driving assembly is provided on the treatment tank. The driving end of the driving assembly is connected to the scraper so that the scraper can move back and forth in a straight line between the two sewage boxes.

[0008] Preferably, the drive assembly includes:

[0009] A pair of screw rods are respectively mounted on both sides of the top of the treatment tank and parallel to the axis direction between the two sewage tanks, and the screw rods are connected to the treatment tank;

[0010] A driving motor is fixedly connected to the outer wall of the treatment tank, and an output shaft of the driving motor is fixedly connected to one end of the screw;

[0011] The driving block is threadably sleeved on the screw rod and elastically connected to the scraper.

[0012] Preferably, it also includes:

[0013] The scraper is connected to the driving block via the elastic member. When the scraper moves, the scraper always has an elastic tendency toward the bottom of the treatment pool.

[0014] Preferably, the elastic member includes:

[0015] A first support rod is arranged vertically, one end of which is fixedly connected to the driving block, the other end of which is coaxially slidably connected to a second support rod, and the end of the second support rod away from the first support rod is fixedly connected to the scraper;

[0016] The spring is sleeved on the second support rod, and two ends of the spring are respectively against the scraper and the first support rod.

[0017] Preferably, it also includes:

[0018] The support is arranged at the bottom of the treatment tank in a direction perpendicular to the axis of the screw. A slot is provided in the support. The scraper is fixed in the slot. The two second support rods are respectively fixed to the two ends of the support.

[0019] Preferably, it also includes:

[0020] A plurality of dosing tanks are fixed on one side of the treatment pool. The drug outlet ends of the dosing tanks are connected through a connecting pipe. The connecting pipe is connected to one end of a drug delivery pipe, and the other end of the drug delivery pipe is connected to the inside of the treatment pool.

[0021] Preferably, a sewage pipe is connected to the side wall of the sewage box.

[0022] Preferably, a water inlet pipe and a water outlet pipe are respectively connected to two opposite side walls of the top of the treatment pool.

[0023] Preferably, it also includes:

[0024] A bracket, both ends of which are fixedly connected to the top of the side wall of the treatment tank, and the bracket is horizontally arranged in the middle of the treatment tank;

[0025] A servo motor is fixedly connected to the bracket, and an output shaft of the servo motor is fixedly connected to one end of a stirring shaft. The stirring shaft is vertically arranged in the treatment tank, and the stirring shaft does not contact the scraper.

[0026] The utility model discloses the following technical effects:

[0027] The utility model utilizes a driving component to drive a scraper to move between two sewage tanks to scrape off the precipitate produced after the neutralization reaction, effectively reducing human labor consumption and improving the treatment efficiency of electroplating wastewater. In addition, by connecting sewage tanks on both sides of the treatment tank and arranging the sewage tanks outside the bottom of the treatment tank, when the scraper moves between the two sewage tanks, the precipitate can be directly passed into the sewage tanks no matter in which direction it moves, thereby further improving the treatment efficiency.

[0028] In this technical solution, an elastic member is also provided between the drive assembly and the scraper, which is used to elastically support the scraper to ensure that the scraper maintains an elastic tendency to the bottom of the treatment pool during movement, so that the scraper can efficiently scrape off sediment. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0030] Figure 1 This is a three-dimensional structural diagram of the electroplating wastewater treatment device of the utility model;

[0031] Figure 2 This is a positional relationship diagram of the dosing tank and the treatment tank in the utility model;

[0032] Figure 3 This is a schematic diagram of the positions of the first support rod and the driving block in the present invention;

[0033] Figure 4 This is a three-dimensional structural diagram of the scraper and the support in the utility model;

[0034] Among them, 1. treatment tank; 2. sewage tank; 3. scraper; 4. screw; 5. drive motor; 6. drive block; 7. first support rod; 8. second support rod; 9. spring; 10. stirring shaft; 11. supply pump; 12. support; 13. dosing tank; 14. connecting pipe; 15. drug delivery pipe; 16. sewage pipe; 17. water inlet pipe; 18. water outlet pipe; 19. bracket; 20. servo motor. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0037] Reference Figures 1-4 The utility model provides an electroplating wastewater treatment device, comprising:

[0038] Treatment tank 1 is used for neutralizing and treating electroplating wastewater, and has sewage tanks 2 connected to each other symmetrically at both ends of its bottom;

[0039] The scraper 3 is arranged at the bottom of the treatment tank 1. The bottom edge of the scraper 3 is against the bottom of the treatment tank 1 and is arranged along the width direction of the treatment tank. A driving assembly is provided on the treatment tank 1. The driving end of the driving assembly is connected to the scraper 3 so that the scraper 3 can move back and forth in a straight line between the two rows of sewage boxes 2.

[0040] The utility model utilizes a driving component to drive the scraper 3 to move between the two sewage tanks 2, and the scraper 3 can be against the bottom of the treatment tank 1, so as to scrape off the precipitate produced after the neutralization reaction, effectively reducing human labor consumption and improving the treatment efficiency of electroplating wastewater. In addition, by connecting the sewage tanks 2 on both sides of the treatment tank 1 and arranging the sewage tanks 2 outside the bottom of the treatment tank 1, when the scraper 3 moves between the two sewage tanks 2, no matter in which direction it moves, the precipitate can be directly passed into the sewage tank 2, further improving the treatment efficiency, and at the same time reducing the secondary pollution caused by the retention of precipitates in the treatment tank 1, thereby improving the treatment effect.

[0041] Reference Figure 3 Specifically, the drive components include:

[0042] A pair of screw rods 4 are respectively mounted on both sides of the top of the treatment tank 1 and parallel to the axis direction between the two sewage tanks 2. The screw rods 4 are connected to the treatment tank 1;

[0043] The driving motor 5 is fixedly connected to the outer wall of the treatment tank 1, and the output shaft of the driving motor 5 is fixedly connected to one end of the screw 4;

[0044] The driving block 6 is threadedly sleeved on the screw rod 4 and elastically connected to the scraper 3.

[0045] Two drive motors 5 are used to drive a pair of screws 4 to rotate. The drive block 6 is connected to the scraper 3, and the drive block 6 is threadedly sleeved on the screw 4, so as to realize the drive control of the scraper 3. By arranging the screw 4 parallel to the axis direction of the two rows of sewage tanks 2, the scraper 3 can move between the two rows of sewage tanks 2.

[0046] Specifically, it also includes an elastic member, and the scraper 3 is connected to the driving assembly through the elastic member. When the scraper 3 moves, the scraper 3 always has an elastic tendency toward the bottom of the treatment tank 1.

[0047] Reference Figure 1 In addition, in this technical solution, an elastic member is provided between the driving assembly and the scraper 3, and the elastic member is used to elastically support the scraper 3 to ensure that the scraper 3 maintains an elastic tendency to the bottom of the treatment tank 1 during movement, so that the scraper 3 can efficiently scrape off the sediment.

[0048] Reference Figure 4 Specifically, the elastic member includes:

[0049] The first support rod 7 is arranged vertically, one end of which is fixedly connected to the driving block 6, and the other end of the first support rod 7 is coaxially slidably connected to the second support rod 8, and the end of the second support rod 8 away from the first support rod 7 is fixedly connected to the scraper 3; the spring 9 is wound on the second support rod 8, and the two ends of the spring 9 are respectively against the scraper 3 and the first support rod 7.

[0050] By coaxially sliding the first support rod 7 and the second support rod 8, a common telescopic connecting rod structure is formed. Combined with the spring 9 wound around the second support rod 8, the two ends of the spring 9 are respectively against the first support rod 7 and the scraper 3, thereby meeting the elastic support for the scraper 3.

[0051] Specifically, it also includes:

[0052] The support 12 is arranged at the bottom of the treatment tank 1 in a direction perpendicular to the axis of the screw 4 . A slot is provided in the support 12 , and the scraper 3 is fixed in the slot. The two second support rods 8 are fixed to both ends of the support 12 respectively.

[0053] By setting up the support 12, the supporting stiffness of the scraper 3 is improved, the scraper 3 is fixed to the support 12 by using the slot, and the second support rod 8 is fixed to the support 12 at the same time. It can be understood that the end of the spring 9 away from the first support rod 7 is against the support 12, and a pair of screws 4 are used to connect and fix a pair of second support rods 8 and the first support rod 7 to the two ends of the support 12 respectively, thereby improving the supporting stability of the support 12 together with the scraper 3.

[0054] Reference Figure 2 , specifically, also includes:

[0055] The dosing tank 13 is fixed on one side of the treatment pool 1 and is provided in a plurality of them. The drug outlet ends of the plurality of dosing tanks 13 are connected through a connecting pipe 14. The connecting pipe 14 is connected to one end of a drug delivery pipe 15, and the other end of the drug delivery pipe 15 is connected to the inside of the treatment pool 1.

[0056] In this technical solution, the dosing tank 13 is used to contain alkali solution, and the delivery of the solution is completed by the supply pump 22 installed on the drug delivery pipe 15. In addition, one end of the drug delivery pipe 15 extends into the interior of the treatment tank 1, adaptively giving way to the screw 4 to avoid obstruction to the movement of the scraper 3.

[0057] Specifically, a sewage pipe 16 is connected to the side wall of the sewage box 2 .

[0058] Specifically, a submersible sewage pump is installed in the sewage tank 2 , and the outlet end of the submersible sewage pump is connected to the sewage pipe 16 . After the scraper 3 sends the sediment into the sewage tank 2 , the sediment is discharged through the sewage pipe 16 .

[0059] Specifically, a water inlet pipe 17 and a water outlet pipe 18 are respectively connected to two opposite side walls of the top of the treatment pool 1.

[0060] It can be understood that one-way valves (not shown in the figure) are installed in the water inlet pipe 17 and the water outlet pipe 18 to meet the treatment process of electroplating wastewater.

[0061] Specifically, it also includes:

[0062] The bracket 19 has both ends fixedly connected to the top of the treatment tank 1 , and the bracket 19 is horizontally arranged in the middle of the treatment tank 1 .

[0063] The servo motor 20 is fixedly connected to the bracket 19 . The output shaft of the servo motor 20 is fixedly connected to one end of the stirring shaft 21 . The stirring shaft 21 is vertically arranged in the treatment tank 1 , and the stirring shaft 21 does not contact the scraper 3 .

[0064] The working mode of the electroplating wastewater treatment device provided by the utility model is as follows:

[0065] The electroplating wastewater to be treated is introduced into the treatment tank 1 through the water inlet pipe 17, and the neutralization alkali solution is transported to the treatment tank 1 through the drug delivery pipe 15. The servo motor 20 is started to drive the stirring shaft 21 to rotate to improve the mixing efficiency of the electroplating wastewater and the alkali solution. After standing for a period of time until the precipitate is precipitated and settled to the bottom of the tank, the drive motor 5 is started to drive the screw 4 to rotate to realize the driving of the drive block 6. A pair of first support rods 7 and second support rods 8 relatively arranged under the cooperation of a pair of drive blocks 6 drive the support 12 to move the scraper 3. The scraper 3 is elastically supported by the spring 9 so that the scraper 3 is against the bottom of the treatment tank 1. When the scraper 3 moves, the precipitate is directly scraped off and passed into the sewage box 2, and the impurities are removed by the sewage pipe 16 to improve the treatment efficiency of the electroplating wastewater.

[0066] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

[0067] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements to the technical solutions of the present invention made by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. An electroplating wastewater treatment device, characterized in that: include: A treatment tank (1) is used for neutralizing and treating electroplating wastewater, and has sewage tanks (2) connected and symmetrically arranged at both ends of its bottom; A scraper (3) is arranged at the bottom of the treatment tank (1), the bottom edge of the scraper (3) abuts against the bottom of the treatment tank (1) and is arranged along the width direction of the treatment tank (1), and a driving component is provided on the treatment tank (1), and the driving end of the driving component is connected to the scraper (3) so that the scraper (3) can move back and forth in a straight line between the two sewage boxes (2).

2. The electroplating wastewater treatment device according to claim 1, characterized in that: The drive assembly includes: A pair of screw rods (4) are respectively mounted on both sides of the top of the treatment tank (1) and are parallel to the axial direction between the two sewage tanks (2), and the screw rods (4) are connected to the treatment tank (1); A drive motor (5) is fixedly connected to the outer wall of the treatment tank (1), and an output shaft of the drive motor (5) is fixedly connected to one end of the screw (4); The driving block (6) is threadably sleeved on the screw rod (4) and elastically connected to the scraper (3).

3. The electroplating wastewater treatment device according to claim 2, characterized in that: Also includes: An elastic member, the scraper (3) is connected to the driving block (6) via the elastic member, and when the scraper (3) moves, the scraper (3) always has an elastic tendency toward the bottom of the treatment pool (1).

4. The electroplating wastewater treatment device according to claim 3, characterized in that: The elastic member comprises: A first support rod (7) is arranged vertically, one end of which is fixedly connected to the driving block (6); the other end of the first support rod (7) is coaxially slidably connected to a second support rod (8); and the end of the second support rod (8) away from the first support rod (7) is fixedly connected to the scraper (3); The spring (9) is sleeved on the second support rod (8), and the two ends of the spring (9) are respectively against the scraper (3) and the first support rod (7).

5. The electroplating wastewater treatment device according to claim 4, characterized in that: Also includes: The support (12) is arranged at the bottom of the treatment tank (1) in a direction perpendicular to the axis of the screw (4), and a slot is provided in the support (12). The scraper (3) is fixed in the slot, and the two second support rods (8) are respectively fixed to the two ends of the support (12).

6. The electroplating wastewater treatment device according to claim 1, characterized in that: Also includes: A plurality of dosing tanks (13) are fixed on one side of the treatment pool (1), and the drug outlet ends of the plurality of dosing tanks (13) are connected via a connecting pipe (14). The connecting pipe (14) is connected to one end of a drug delivery pipe (15), and the other end of the drug delivery pipe (15) is connected to the interior of the treatment pool (1).

7. The electroplating wastewater treatment device according to claim 1, characterized in that: A sewage pipe (16) is provided on the side wall of the sewage box (2).

8. The electroplating wastewater treatment device according to claim 1, characterized in that: A water inlet pipe (17) and a water outlet pipe (18) are respectively connected and arranged on two opposite side walls of the top of the treatment pool (1).

9. The electroplating wastewater treatment device according to claim 1, characterized in that: Also includes: A bracket (19), both ends of which are fixedly connected to the top of the side wall of the treatment tank (1), and the bracket (19) is horizontally arranged in the middle of the treatment tank (1); A servo motor (20) is fixedly connected to the bracket (19), and an output shaft of the servo motor (20) is fixedly connected to one end of a stirring shaft (21). The stirring shaft (21) is vertically arranged in the treatment tank (1), and the stirring shaft (21) does not contact the scraper (3).

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