Nickel-containing wastewater recycling equipment

Abstract

The utility model provides nickel-containing wastewater recycling equipment which comprises a treatment cylinder and a recycling box, one side of the upper part of the treatment cylinder is fixedly connected with a pretreatment box, a pre-filtering net is arranged in the pretreatment box, a water inlet pipe is arranged between the pretreatment box and the treatment cylinder, and the middle part of the treatment cylinder is rotationally connected with a hollow shaft. The chemical treatment device has the advantages that the motor is started to drive the hollow shaft to rotate through the driving gear and the driven gear, treatment chemicals are added into the feeding hopper, when the hollow shaft rotates, the treatment chemicals flow to the material dispersing cone from the discharging port under the action of centrifugal force and gravity, and the treatment chemicals rotate along with the material dispersing cone and flow downwards along the material dispersing cone; and the wastewater falls into the corresponding material passing hole and then enters the treatment cylinder to be combined with the nickel-containing wastewater for treatment. And the hole diameters of the material passing holes are gradually increased from inside to outside, so that the treatment agent can be more uniformly scattered into the treatment barrel. The treatment agent is more sufficiently combined with the nickel-containing wastewater, so that the nickel-containing wastewater treatment effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of nickel-containing wastewater recycling, in particular to a nickel-containing wastewater recycling device. Background Technique

[0002] Nickel is an important metal resource widely used in the fields of metallurgy, chemical industry, electronics, etc. With the development of the economy and the growth of the population, the demand for nickel is increasing continuously. Therefore, recycling nickel from nickel-containing wastewater not only helps to reduce environmental pollution, but also can save resources and reduce production costs, which has important economic and social significance.

[0003] An existing nickel-containing wastewater recovery and treatment device, through the set overflow port, material receiving rotating ring, driving main shaft, material distributing port, treatment box body and sealing end cover, when the material receiving rotating ring just catches the falling caustic soda material, it can utilize the throwing force generated during the rotation process along with the driving main shaft to evenly carry out the caustic soda material outwards, which can effectively improve the working efficiency of fully mixing the caustic soda material with the nickel-containing wastewater. However, after the caustic soda material enters the material receiving rotating ring, it may be thrown out together under the action of centrifugal force, making it difficult to ensure the purpose of dispersedly falling into the nickel-containing wastewater, thus affecting the mixing efficiency. For this reason, a nickel-containing wastewater recycling device is proposed for improvement. Content of the Utility Model

[0004] The purpose of the utility model aims to solve at least one of the technical defects.

[0005] For this reason, an object of the utility model is to provide a nickel-containing wastewater recycling device to solve the problems mentioned in the background technique and overcome the deficiencies existing in the prior art.

[0006] To achieve the above object, an embodiment of one aspect of the utility model provides a nickel-containing wastewater recycling device, including a treatment cylinder and a recovery tank. One side of the upper part of the treatment cylinder is fixedly connected with a pretreatment tank, a pre-filter screen is arranged in the pretreatment tank, and a water inlet pipe is arranged between the pretreatment tank and the treatment cylinder;

[0007] A hollow shaft is rotatably connected to the middle part of the treatment cylinder. The top of the hollow shaft is fixedly connected with a feed hopper, a driven gear is fixedly connected to the upper part of the hollow shaft, a motor is arranged on the treatment cylinder, and a driving gear meshing with the driven gear is fixedly connected to the output shaft of the motor;

[0008] A discharge port is provided on the side of the bottom end of the hollow shaft. A material scattering cone is fixedly connected to the bottom end of the hollow shaft. A plurality of material passing holes are provided on the material scattering cone. The diameters of the plurality of material passing holes gradually increase from the inside to the outside of the material scattering cone. An aggregate frame is fixedly connected to the outside of the material scattering cone. A stirring assembly is fixedly connected to the middle of the bottom surface of the material scattering cone. A discharge pipe is provided on one side of the lower part of the treatment cylinder.

[0009] Preferably, a separation filter screen is provided in the recovery box, and the recovery box is arranged below the discharge pipe of the treatment cylinder.

[0010] Preferably, a support rod fixedly connected to the treatment cylinder is provided at the bottom of the pretreatment box, and a water collecting plate is fixedly connected to the top of the pretreatment box.

[0011] Adopting the above technical solution: The treatment cylinder provides a mixing space for the nickel-containing wastewater and the treatment agent. The recovery box is used to recover nickel and water resources in the nickel-containing wastewater for subsequent recycling. A separation filter screen is provided in the recovery box to filter the sediment. The pretreatment box is used to pre-treat the nickel-containing wastewater and pre-filter other impurities with larger particle sizes in the nickel-containing wastewater, which can avoid the blockage of the water inlet pipe caused by other impurities in the nickel-containing wastewater. Support rods are provided at the bottom of the pretreatment box to improve the stability of the pretreatment box. The water inlet pipe is used to introduce the nickel-containing wastewater in the pretreatment box into the treatment cylinder.

[0012] Preferably, the hollow shaft is fixedly connected to the top plate of the treatment cylinder through a bearing, and the motor adopts a reduction motor.

[0013] Preferably, there are a plurality of discharge ports and they are evenly arranged along the circumference of the hollow shaft.

[0014] Adopting the above technical solution: The hollow shaft provides a flow path for the treatment agent. The hollow shaft is rotationally connected to the treatment cylinder through a bearing, enabling it to rotate smoothly under the drive of an external force. The feed hopper can gather the treatment agent, facilitating the flow of the treatment agent into the hollow shaft. The motor can drive the hollow shaft to rotate through the driving gear cooperating with the driven gear, and then drive structures such as the hollow shaft, the material scattering cone, and the stirring assembly to rotate. The discharge port is arranged at the bottom of the hollow shaft, allowing the treatment agent in the hollow shaft to flow out.

[0015] Preferably, the plurality of material passing holes are evenly arranged along the circumference of the material scattering cone, and a plurality of material passing holes are also provided on the aggregate frame.

[0016] Preferably, the stirring assembly includes a stirring column and a stirring plate, and a control valve is provided on the discharge pipe.

[0017] Adopting the above technical solution: The bulk material cone is used to guide the treatment agent. It adopts a conical structure, enabling the treatment agent falling on it to flow downward under the action of gravity. The material passing hole allows the treatment agent to pass through and then fall into the treatment cylinder to combine with the nickel-containing wastewater for treatment. When the hollow shaft rotates, the treatment agent flows from the discharge port to the bulk material cone under the action of centrifugal force and gravity. The treatment agent follows the rotation of the bulk material cone and flows downward along the bulk material cone, and then falls into the corresponding material passing hole and enters the treatment cylinder to combine with the nickel-containing wastewater for treatment. The aperture of the material passing hole gradually increases from the inside to the outside, which is beneficial to spreading the treatment agent more evenly into the treatment cylinder.

[0018] Compared with the prior art, the advantages and beneficial effects of the present utility model are as follows:

[0019] 1. For this nickel-containing wastewater recycling equipment, by setting structures such as a hollow shaft, a feed hopper, a driven gear, a motor, a driving gear, a discharge port, a bulk material cone, and a material passing hole, starting the motor drives the hollow shaft to rotate through the driving gear and the driven gear. Add the treatment agent to the feed hopper. When the hollow shaft rotates, the treatment agent flows from the discharge port to the bulk material cone under the action of centrifugal force and gravity. The treatment agent follows the rotation of the bulk material cone and flows downward along the bulk material cone, and then falls into the corresponding material passing hole and enters the treatment cylinder to combine with the nickel-containing wastewater for treatment. The aperture of the material passing hole gradually increases from the inside to the outside, which is beneficial to spreading the treatment agent more evenly into the treatment cylinder. The combination of the treatment agent and the nickel-containing wastewater is more sufficient, which is beneficial to improving the treatment effect of the nickel-containing wastewater.

[0020] 2. For this nickel-containing wastewater recycling equipment, by arranging an aggregate frame outside the bulk material cone, the aggregate frame can block the treatment agent flowing to the bottom of the bulk material cone, preventing the treatment agent from being directly thrown out and falling into the nickel-containing wastewater. This part of the treatment agent falls into the nickel-containing wastewater through different material passing holes during the rotation of the bulk material cone, so that this part of the treatment agent is sprinkled to different positions, which can further improve the uniformity of the distribution of the treatment agent.

[0021] The additional aspects and advantages of the present utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, where:

[0023] Figure 1 is a three-dimensional structure schematic diagram of the whole of the present utility model;

[0024] Figure 2 is a sectional structure schematic diagram of the whole of the present utility model;

[0025] Figure 3This is a schematic perspective view of a part of the present utility model;

[0026] Figure 4 This is a schematic cross-sectional view of a part of the present utility model.

[0027] In the figure: 1 - treatment cylinder, 2 - recycling box, 3 - pretreatment box, 4 - pre-filter screen, 5 - water inlet pipe, 6 - hollow shaft, 7 - feed hopper, 8 - driven gear, 9 - motor, 10 - driving gear, 11 - discharge port, 12 - material spreading cone, 13 - material passing hole, 14 - aggregate frame, 15 - stirring assembly, 16 - discharge pipe. Specific embodiments

[0028] The following details the embodiments of the present utility model. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model and should not be construed as limiting the present utility model.

[0029] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense. For example, it 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 directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0030] As Figures 1 to 4 shown, the present utility model includes a treatment cylinder 1 and a recycling box 2. One side of the upper part of the treatment cylinder 1 is fixedly connected with a pretreatment box 3. A pre-filter screen 4 is arranged in the pretreatment box 3. A water inlet pipe 5 is arranged between the pretreatment box 3 and the treatment cylinder 1;

[0031] The middle part of the treatment cylinder 1 is rotatably connected with a hollow shaft 6. The top of the hollow shaft 6 is fixedly connected with a feed hopper 7. The upper part of the hollow shaft 6 is fixedly connected with a driven gear 8. A motor 9 is arranged on the treatment cylinder 1. A driving gear 10 meshing with the driven gear 8 is fixedly connected to the output shaft of the motor 9;

[0032] The side of the bottom end of the hollow shaft 6 is provided with a discharge port 11. The bottom end of the hollow shaft 6 is fixedly connected with a material spreading cone 12. A plurality of material passing holes 13 are arranged on the material spreading cone 12. The diameters of the plurality of material passing holes 13 gradually increase from the inside to the outside of the material spreading cone 12. An aggregate frame 14 is fixedly connected to the outside of the material spreading cone 12. The middle part of the bottom surface of the material spreading cone 12 is fixedly connected with a stirring assembly 15. One side of the lower part of the treatment cylinder 1 is provided with a discharge pipe 16.

[0033] Embodiment 1: A separation filter screen is arranged inside the recycling box 2, and the recycling box 2 is arranged below the discharge pipe 16 of the treatment cylinder 1. A support rod fixedly connected to the treatment cylinder 1 is arranged at the bottom of the pretreatment box 3, and a water collecting plate is fixedly connected to the top of the pretreatment box 3. The treatment cylinder 1 provides a mixing space for the nickel-containing wastewater and the treatment agent, and the recycling box 2 is used to recycle the nickel and water resources in the nickel-containing wastewater for subsequent recycling. A separation filter screen is arranged inside the recycling box 2 to filter the sediment. The pretreatment box 3 is used to pretreat the nickel-containing wastewater and pre-filter other impurities with larger particle sizes in the nickel-containing wastewater, which can avoid the blockage of the water inlet pipe 5 caused by other impurities in the nickel-containing wastewater. The support rod arranged at the bottom of the pretreatment box 3 can improve the stability of the pretreatment box 3. The water inlet pipe 5 is used to introduce the nickel-containing wastewater in the pretreatment box 3 into the treatment cylinder 1.

[0034] Embodiment 2: The hollow shaft 6 is fixedly connected to the top plate of the treatment cylinder 1 through a bearing, and the motor 9 is a reduction motor. There are several discharge ports 11 and they are evenly arranged along the circumference of the hollow shaft 6. The hollow shaft 6 provides a circulation path for the treatment agent. The hollow shaft 6 is rotationally connected to the treatment cylinder 1 through a bearing, enabling it to rotate smoothly under the drive of an external force. The feed hopper 7 can gather the treatment agent, facilitating the flow of the treatment agent into the hollow shaft 6. The motor 9 can drive the hollow shaft 6 to rotate through the driving gear 10 cooperating with the driven gear 8, and then can drive the structures such as the hollow shaft 6, the dispersion cone 12, and the stirring assembly 15 to rotate. The discharge port 11 is arranged at the bottom of the hollow shaft 6, allowing the treatment agent in the hollow shaft 6 to flow out.

[0035] Embodiment 3: Several material passing holes 13 are evenly arranged along the circumference of the dispersion cone 12, and several material passing holes 13 are also opened on the aggregate frame 14. The stirring assembly 15 includes a stirring column and a stirring plate, and a control valve is arranged on the discharge pipe 16. The dispersion cone 12 is used to guide the treatment agent. It adopts a conical structure, enabling the treatment agent falling on it to flow downward under the action of gravity. The material passing holes 13 allow the treatment agent to pass through and then fall into the treatment cylinder 1 to combine with the nickel-containing wastewater for treatment. When the hollow shaft 6 rotates, the treatment agent flows from the discharge port 11 to the dispersion cone 12 under the action of centrifugal force and gravity. The treatment agent follows the rotation of the dispersion cone 12 and flows downward along the dispersion cone 12, and falls into the corresponding material passing holes 13 and then enters the treatment cylinder 1 to combine with the nickel-containing wastewater for treatment. The aperture of the material passing holes 13 gradually increases from the inside to the outside, which is beneficial to evenly spreading the treatment agent into the treatment cylinder 1.

[0036] The working principle of the present utility model is as follows:

[0037] S1. Add the nickel-containing wastewater into the pretreatment box 3. After being filtered by the pre-filter screen 4, the nickel-containing wastewater enters the treatment cylinder 1 through the water inlet pipe 5. Add the treatment agent into the feed hopper 7 and start the motor 9. The motor 9 can drive the hollow shaft 6 to rotate through the driving gear 10 cooperating with the driven gear 8;

[0038] S2. When the hollow shaft 6 rotates, the treatment agent flows from the discharge port 11 to the dispersion cone 12 under the action of centrifugal force and gravity. The treatment agent follows the rotation of the dispersion cone 12 and flows downward along the dispersion cone 12, and then falls into the corresponding material passing hole 13 and enters the treatment cylinder 1 to be combined with the nickel-containing wastewater for treatment;

[0039] S3. The stirring assembly 15 drives the nickel-containing sewage to rotate to improve the mixing efficiency. After mixing is completed, the control valve on the discharge pipe 16 is opened, and the treated nickel-containing wastewater flows into the recovery tank 2 for subsequent recycling work.

[0040] Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:

[0041] 1. For this nickel-containing wastewater recycling equipment, by setting structures such as the hollow shaft 6, the feed hopper 7, the driven gear 8, the motor 9, the driving gear 10, the discharge port 11, the dispersion cone 12, and the material passing hole 13, the motor 9 is started to drive the hollow shaft to rotate through the driving gear 10 and the driven gear 8. The treatment agent is added to the feed hopper 7. When the hollow shaft 6 rotates, the treatment agent flows from the discharge port 11 to the dispersion cone 12 under the action of centrifugal force and gravity. The treatment agent follows the rotation of the dispersion cone 12 and flows downward along the dispersion cone 12, and then falls into the corresponding material passing hole 13 and enters the treatment cylinder 1 to be combined with the nickel-containing wastewater for treatment. The aperture of the material passing hole 13 gradually becomes larger from the inside to the outside, which is beneficial to evenly sprinkle the treatment agent into the treatment cylinder 1. The treatment agent is more fully combined with the nickel-containing wastewater, which is beneficial to improving the treatment effect of the nickel-containing wastewater.

[0042] 2. For this nickel-containing wastewater recycling equipment, by arranging the aggregate frame 14 on the outer side of the dispersion cone 12, the aggregate frame 14 can block the treatment agent flowing to the bottom of the dispersion cone 12 to prevent the treatment agent from being directly thrown out and falling into the nickel-containing wastewater. This part of the treatment agent falls into the nickel-containing wastewater through different material passing holes 13 during the rotation of the dispersion cone 12, so that this part of the treatment agent is sprinkled to different positions, which can further improve the uniformity of the distribution of the treatment agent.

Claims

1. A nickel-containing wastewater recycling device, comprising a treatment cylinder (1) and a recovery tank (2); characterized in that: A pre-treatment box (3) is fixedly connected to one side of the upper part of the treatment cylinder (1), a pre-filtering screen (4) is arranged in the pre-treatment box (3), and a water inlet pipe (5) is arranged between the pre-treatment box (3) and the treatment cylinder (1); The middle part of the treatment cylinder (1) is rotatably connected to a hollow shaft (6), the top of the hollow shaft (6) is fixedly connected to a feed hopper (7), the upper part of the hollow shaft (6) is fixedly connected to a driven gear (8), the treatment cylinder (1) is provided with a motor (9), and the output shaft of the motor (9) is fixedly connected to a driving gear (10) that meshes with the driven gear (8); A discharge port (11) is provided on the side of the bottom end of the hollow shaft (6); a bulking cone (12) is fixedly connected to the bottom end of the hollow shaft (6); a plurality of material passing holes (13) are provided on the bulking cone (12); the diameters of the plurality of material passing holes (13) gradually increase from the inside of the bulking cone (12) to the outside; a material collecting frame (14) is fixedly connected to the outside of the bulking cone (12); a stirring assembly (15) is fixedly connected to the middle of the bottom surface of the bulking cone (12); and a discharge pipe (16) is provided on one side of the lower part of the processing cylinder (1).

2. A nickel-containing wastewater recycling equipment as claimed in claim 1, characterized in that: A separation filter is arranged in the recovery box (2), and the recovery box (2) is arranged below the discharge pipe (16) of the processing cylinder (1).

3. A nickel-containing wastewater recycling equipment as claimed in claim 2, characterized in that: The bottom of the pretreatment box (3) is provided with a support rod fixedly connected to the treatment cylinder (1), and the top of the pretreatment box (3) is fixedly connected to a water collecting plate.

4. A nickel-containing wastewater recycling equipment as claimed in claim 3, characterized in that: The hollow shaft (6) is fixedly connected to the top plate of the processing cylinder (1) via a bearing, and the motor (9) is a reduction motor.

5. A nickel-containing wastewater recycling equipment as claimed in claim 4, characterized in that: There are a plurality of discharge ports (11) which are evenly arranged along the circumference of the hollow shaft (6).

6. A nickel-containing wastewater recycling equipment as claimed in claim 5, characterized in that: The plurality of material passing holes (13) are evenly arranged along the circumference of the bulk material cone (12), and the material collecting frame (14) is also provided with a plurality of material passing holes (13).

7. A nickel-containing wastewater recycling equipment as claimed in claim 6, characterized in that: The stirring assembly (15) comprises a stirring column and a stirring plate, and the discharge pipe (16) is provided with a control valve.

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