Solid-liquid separation device for nickel sulfate

Abstract

The utility model discloses a nickel sulfate solid-liquid separation device, and relates to the technical field of non-ferrous metallurgy auxiliary devices, in particular to a nickel sulfate solid-liquid separation device which comprises a supporting frame, a separation device body is movably installed in the supporting frame, and the separation device body is locked and fixed to the supporting frame through a support locking pin. Supporting plates are fixed to the four corners in the separating device body respectively, a grating grate is fixed to the supporting plates in the separating device body, acid-resistant filter cloth is placed on the grating grate, and a vacuum connecting pipe which is located below the grating grate and communicated with the interior of the grating grate is fixed to the side face of the separating device body. And the other end of the vacuum connecting pipe is connected with a water jet vacuum device. According to the nickel sulfate solid-liquid separation device, the water jet vacuum device is used for generating negative pressure, and the grid grate and the blow-down valve are matched, so that solid-liquid separation of nickel sulfate can be facilitated, and loading and unloading are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of nonferrous metal metallurgy auxiliary devices, in particular to a nickel sulfate solid-liquid separation device. Background Art

[0002] Nonferrous metallurgy refers to the production activities of refining common metals from nonferrous metal raw materials such as nonferrous metal ores and scrap metal materials by smelting, refining, electrolysis or other methods. Specifically, in the process of copper electrolysis, in order to reduce the nickel content in the electrolyte, nickel removal treatment is required to reduce the nickel content in the electrolyte. The specific process is to produce a nickel sulfate suspension after vacuum heating in the reactor. Taking advantage of the property that nickel is insoluble in concentrated sulfuric acid, the nickel sulfate suspension is placed in a precipitation tank for cooling and precipitation. The nickel sulfate settles to the bottom of the cooling tank, and then the surface sulfuric acid is sucked out, and then solid-liquid separation is performed twice. The current traditional method is to perform solid-liquid separation through a centrifuge. However, although a centrifuge can be used, it is troublesome to load and unload during use, and the loading quantity is greatly limited. The quantity separated each time is limited, the working efficiency is low, and it is difficult to adapt to the large amount of nickel sulfate suspension generated in the process of copper electrolysis. For this reason, we propose a nickel sulfate solid-liquid separation device. Utility Model Content

[0003] The utility model provides a nickel sulfate solid-liquid separation device, which solves the problems raised by the above background technology.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a nickel sulfate solid-liquid separation device, including a support frame, a separation device body is movably installed inside the support frame, and the separation device body is locked and fixed to the support frame by a bracket locking pin, support plates are fixed to the four corners of the separation device body, and a grid grate is fixed on the support plate inside the separation device body, an acid-resistant filter cloth is placed on the grid grate, a vacuum connecting pipe located below the grid grate and connected to the interior of the separation device body is fixed to the side of the separation device body, the other end of the vacuum connecting pipe is connected to a water jet vacuum device, the water jet vacuum device can provide negative pressure to the interior of the separation device body, and a drain valve that can discharge into an acid collection tank is connected to the bottom of one side of the separation device body.

[0005] As a further feature of the nickel sulfate solid-liquid separation device of the present application, the grid grate is divided into an upper and lower side, the upper layer is the nickel sulfate material, and the lower layer is the separated liquid.

[0006] As a further feature of the nickel sulfate solid-liquid separation device of the present application, the gas port at which the vacuum connecting pipe contacts the interior of the separation device body is isolated from the acid liquid by an isolation cover.

[0007] As a further feature of the nickel sulfate solid-liquid separation device of the present application, the separation device body is an acid nickel box, the acid nickel box is made of acid-proof material, and the acid-resistant filter cloth filters particles at 300 mesh.

[0008] As a further feature of the nickel sulfate solid-liquid separation device of the present application, a sealing cover is provided on the top of the separation device body, and a sealing ring is provided on the contact portion between the sealing cover and the separation device body to seal it.

[0009] The utility model has the following beneficial effects:

[0010] The nickel sulfate solid-liquid separation device uses a water jet vacuum device to generate negative pressure, and cooperates with a grid grate and a drain valve to easily separate the nickel sulfate into solid and liquid, making loading and unloading convenient, and saving 50% of time compared with centrifuge operations; using vacuum negative pressure for solid-liquid separation replaces high-speed centrifuge operations, reduces operational hazards, and ensures safe operations; the operating efficiency of a single device in the same operating site is increased by 2 times; the equipment is simple and suitable for increasing the speed and efficiency of traditional non-fully automated electrolytic purification processes. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0013] Figure 3 It is a front structural schematic diagram of the utility model.

[0014] In the figure: 1. support frame; 2. separation device body; 3. grille; 4. vacuum connecting pipe; 5. water jet vacuum device; 6. drain valve. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] See also Figures 1 to 3The utility model provides a technical solution: a nickel sulfate solid-liquid separation device, comprising a support frame 1, a separation device body 2 is movably installed inside the support frame 1, and the separation device body 2 is locked and fixed on the support frame 1 by a support locking pin, and the support locking pin is used to fix the separation device body 2, and the material can be turned over and poured after the separation is completed. Specifically, the support frame 1 and the separation device body 2 can be connected through an axis, and they are relatively movable to ensure that they can rotate to pour out the material. Support plates are fixed to the four corners of the separation device body 2, and the support plates inside the separation device body 2 A grid grate 3 is fixed on it, and an acid-resistant filter cloth is placed on the grid grate 3 to ensure the isolation and precipitation of nickel sulfate. A vacuum connecting pipe 4 is fixed on the side of the separation device body 2 and is located below the grid grate 3 and connected with the interior thereof. The other end of the vacuum connecting pipe 4 is connected to a water jet vacuum device 5, which can provide negative pressure to the interior of the separation device body 2. The water jet vacuum device 5 is used as a supporting facility of the separation device body 2 to provide a negative pressure of 0.08Mpa to facilitate the flow of liquid. The bottom of one side of the separation device body 2 is connected to a drain valve 6 that can be discharged into the acid collection tank.

[0017] The grid grate 3 is divided into upper and lower sides, the upper layer is nickel sulfate material, and the lower layer is separated liquid, which are arranged to be isolated to avoid them from intersecting.

[0018] The air port of the vacuum connecting pipe 4 in contact with the interior of the separation device body 2 is isolated from the acid liquid by an isolation cover, thereby extending the service life of the water jet vacuum device 5.

[0019] The separation device body 2 is an acid nickel box, which is made of acid-proof material. The acid-resistant filter cloth filters particles at 300 meshes to ensure that nickel sulfate does not enter the acid solution.

[0020] A sealing cover is disposed on the top of the separation device body 2, and a sealing ring is disposed on the contact portion between the sealing cover and the separation device body 2 to seal the sealing cover and ensure the normal operation of the device.

[0021] To sum up, when the nickel sulfate solid-liquid separation device is used, the precipitated nickel sulfate is first poured into the interior of the separation device body 2. After the material is filled, the nickel sulfate is spread evenly on the upper layer of the device, and then the sealing cover is covered, and the water jet vacuum device 5 is started, so that the water jet vacuum device 5 generates negative pressure to adsorb it and let the acid fall down. When the adsorption is completed, the drain valve 6 is opened to discharge it into the acid collection tank, and then the bracket locking pin is pulled out to release the fixed constraint on the separation device body 2, and it is directly reversed to carry out the unloading operation.

[0022] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not expressly listed, or also includes elements inherent to such process, method, article, or apparatus.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A nickel sulfate solid-liquid separation device, comprising a support frame (1), characterized in that: A separation device body (2) is movably mounted inside the support frame (1), and the separation device body (2) is locked and fixed to the support frame (1) by a bracket locking pin. Support plates are fixed to the four corners of the separation device body (2), and a grille (3) is fixed on the support plate inside the separation device body (2). An acid-resistant filter cloth is placed on the grille (3). A vacuum connecting pipe (4) located below the grille (3) and connected to the inside of the separation device body (2) is fixed on the side of the separation device body (2). The other end of the vacuum connecting pipe (4) is connected to a water jet vacuum device (5). The water jet vacuum device (5) can provide negative pressure to the inside of the separation device body (2). A sewage valve (6) that can discharge into an acid collection tank is connected to the bottom of one side of the separation device body (2).

2. A nickel sulfate solid-liquid separation device according to claim 1, characterized in that: The grid grate (3) is divided into upper and lower sides, the upper layer is nickel sulfate material, and the lower layer is separated liquid.

3. A nickel sulfate solid-liquid separation device according to claim 1, characterized in that: The gas port of the vacuum connecting pipe (4) in contact with the interior of the separation device body (2) is isolated from the acid liquid by an isolation cover.

4. A nickel sulfate solid-liquid separation device according to claim 1, characterized in that: The separation device body (2) is an acid nickel box, which is made of acid-resistant material, and the acid-resistant filter cloth filters particles at 300 meshes.

5. A nickel sulfate solid-liquid separation device according to claim 1, characterized in that: A sealing cover is arranged on the top of the separation device body (2), and a sealing ring is arranged at the contact portion between the sealing cover and the separation device body (2) to seal it.

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