Solid-liquid separation device in wet magnesium desulfurization

Abstract

The utility model discloses a solid-liquid separation device in wet magnesium desulfurization, and relates to the technical field of solid-liquid separation devices. The solid-liquid separation device in wet magnesium desulfurization comprises a separation tank, a filter element, a sewage discharge unit and a stirring element. The solid-liquid separation device in wet magnesium desulfurization is provided with the separation tank, the separation tank is made of corrosion-resistant stainless steel, the separation plates are arranged in the tank body, a plurality of mutually communicated cavities are formed, a roundabout flow channel is formed, the retention time of slurry in the tank body is prolonged, and the separation path of the slurry in the tank body is increased; the settling area is arranged in the tank body, and the flow velocity of slurry entering the settling area is obviously reduced through a speed reducer and a special flow channel design, so that favorable conditions are provided for settling of solid particles; metal filter screens and microporous filter membranes with different pore diameters are respectively mounted in different chambers, and the filter pore diameters of the filter elements are sequentially reduced from a feed port to a clear liquid outlet, so that the subsequent microporous filter membranes and runners are prevented from being blocked.

Description

Technical Field

[0001] This utility model relates to the technical field of solid-liquid separation devices, specifically a solid-liquid separation device for wet magnesium desulfurization. Background Technology

[0002] In the existing wet magnesium desulfurization process, the desulfurization slurry produced after the reaction contains a large number of solid particles and unreacted magnesium hydroxide. The effective separation of these solid-liquid mixtures is a key step in improving desulfurization efficiency, reducing operating costs, and reducing secondary pollution.

[0003] Traditional solid-liquid separation equipment suffers from slow settling or filtration rates of solid particles when processing slurry from wet magnesium desulfurization. In some cases, solid particles can easily clog the filter media during the separation process. When the composition, temperature, viscosity, and other parameters of the desulfurization slurry change, the performance of many traditional solid-liquid separation devices will significantly decrease. Some devices that use high-speed centrifugation require a large amount of electrical energy to drive the centrifuge at high speed. Ultrafiltration membrane separation devices have a relatively complex operation process and require professional personnel for operation and maintenance.

[0004] Traditional solid-liquid separation equipment suffers from slow settling or filtration rates of solid particles, easy clogging of filters, and low efficiency. When the composition, temperature, viscosity, and other parameters of the desulfurization slurry change, the performance of the separation equipment will drop significantly, resulting in poor adaptability. It also requires a large amount of electrical energy to drive the centrifuge at high speed, leading to high energy consumption. Some advanced solid-liquid separation equipment is complex to operate and requires professional personnel for operation and maintenance. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a solid-liquid separation device for wet magnesium desulfurization. It solves the problems of traditional solid-liquid separation equipment, such as slow sedimentation or filtration speed of solid particles, easy filter clogging, and low efficiency; poor adaptability due to significant performance degradation when the composition, temperature, viscosity, and other parameters of the desulfurization slurry change; high energy consumption due to the need for large amounts of electricity to drive the centrifuge at high speed; and the complexity of operation and maintenance required by some advanced solid-liquid separation equipment.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a solid-liquid separation device for wet magnesium desulfurization, comprising a separation tank, a filter element, a sludge discharge unit, and a stirring element. The filter element and the stirring element are located inside the separation tank, and the sludge discharge unit is located at the bottom of the separation tank. The separation tank includes:

[0007] The tank body has a partition plate on its inner side, a flow port on the partition plate, and a rail on the partition plate.

[0008] The settling area is located between the partitions and below the flow outlet. A slag discharge port is provided at the bottom of the settling area.

[0009] Preferably, the top of the tank is provided with a feed inlet, and the top of the tank is provided with an insertion interface, which is located between the partition plates and corresponds to the insertion rail.

[0010] Preferably, a clear liquid outlet is provided at the right end of the tank, a sight glass is provided at the front of the tank, and a sealing tube is provided at the rear of the tank.

[0011] Preferably, a sensor is installed inside the tank, and the sensor is located below the clear liquid outlet.

[0012] Preferably, the filter element is provided with a fixing frame, the top of the fixing frame is connected to a handle, a filter screen is fixedly disposed inside the fixing frame, and the fixing frame is inserted into the inside of the insertion interface and tightly clamped by the insertion rail.

[0013] Preferably, the sewage discharge unit is provided with a slag discharge pipe and a connecting pipe, the connecting pipe being connected to the outside of the slag discharge port and connected to the slag discharge pipe, and a valve being provided on the connecting pipe.

[0014] Preferably, the stirring element is provided with a transmission rod and a stirring paddle, the transmission rod being inserted into the inside of the sealing tube, and the stirring paddle being sleeved inside the transmission rod.

[0015] This utility model discloses a solid-liquid separation device for wet magnesium desulfurization, which has the following beneficial effects:

[0016] The system includes a separation tank made of corrosion-resistant stainless steel. The tank's interior is equipped with partitions, forming multiple interconnected chambers that create a meandering flow path, increasing the slurry's residence time and separation path within the tank. A settling zone is also included; through a deceleration device and a special flow path design, the slurry's velocity is significantly reduced upon entering this zone, providing favorable conditions for solid particle settling. Filter elements are also installed: metal filter screens and microporous membranes with different pore sizes are installed in different chambers. From the feed inlet to the clear liquid outlet, the filter elements progressively reduce their pore size to prevent clogging of subsequent microporous membranes and flow channels. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art 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.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the separation tank of this utility model;

[0020] Figure 3 This is a schematic diagram of the rear structure of the separator tank of this utility model;

[0021] Figure 4 This is a cross-sectional structural diagram of the separation tank of this utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the filter element of this utility model;

[0023] Figure 6 This is a schematic diagram of the structure of the stirring element of this utility model.

[0024] In the diagram: 1. Separation tank; 11. Tank body; 111. Feed inlet; 112. Insertion port; 113. Clear liquid outlet; 114. Sight glass; 115. Sealing tube; 116. Divider plate; 1161. Flow port; 1162. Insertion rail; 117. Sensor; 12. Settling area; 121. Slag discharge port; 2. Filter element; 21. Fixing frame; 22. Handle; 23. Filter screen; 3. Sludge discharge unit; 31. Slag discharge pipe; 32. Connecting pipe; 321. Valve; 4. Stirring element; 41. Drive rod; 42. Stirring paddle. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0026] This application provides a solid-liquid separation device for wet magnesium desulfurization, which solves the problems of traditional solid-liquid separation equipment, such as slow sedimentation or filtration speed of solid particles, easy clogging of filters, and low efficiency; the performance of the separation equipment will drop significantly when the composition, temperature, viscosity and other parameters of the desulfurization slurry change, resulting in poor adaptability; the need to consume a lot of electrical energy to drive the centrifuge to rotate at high speed, resulting in high energy consumption; and the complexity of operation of some advanced solid-liquid separation equipment, requiring professional personnel for operation and maintenance. The goal is to improve the separation effect, enhance adaptability, reduce energy consumption, simplify operation and reduce maintenance costs.

[0027] This utility model discloses a solid-liquid separation device for wet magnesium desulfurization.

[0028] Example 1

[0029] According to the appendix Figure 1-6 As shown, the separation tank includes a separation tank 1, a filter element 2, a sludge discharge unit 3, and a stirring element 4. The filter element 2 and the stirring element 4 are located inside the separation tank 1, and the sludge discharge unit 3 is located at the bottom of the separation tank 1. The separation tank 1 includes:

[0030] Tank body 11, with a partition plate 116 provided on the inner side of the tank body 11, a flow port 1161 provided on the partition plate 116, and a rail 1162 provided on the partition plate 116;

[0031] Settling area 12 is located between partition plates 116 and is located below flow port 1161. Slag discharge port 121 is provided at the bottom of settling area 12.

[0032] The system includes a separation tank 1, made of corrosion-resistant stainless steel. Inside the tank 11, partition plates 116 form multiple interconnected chambers, creating a meandering flow channel that increases the residence time and separation path of the slurry within the tank 11. A settling zone 12 is located within the tank 11. Through a deceleration device and a special flow channel design, the slurry velocity is significantly reduced upon entering this zone, providing favorable conditions for the settling of solid particles. A filter element 2 is also included: metal filter screens and microporous membranes with different pore sizes are installed in different chambers. From the feed inlet 111 to the clear liquid outlet 113, the filter element 2 progressively reduces the pore size to prevent clogging of the subsequent microporous membrane and flow channel.

[0033] Furthermore, the top of the tank body 11 is provided with a feed inlet 111, and the top of the tank body 11 is provided with an insertion interface 112, which is located between the partition plates 116 and corresponds to the insertion rail 1162.

[0034] Furthermore, a clear liquid outlet 113 is provided at the right end of the tank body 11, a sight glass 114 is provided at the front of the tank body 11, and a sealing tube 115 is provided at the rear of the tank body 11.

[0035] Specifically disclosed, a sensor 117 is installed inside the tank 11, and the sensor 117 is located below the clear liquid outlet 113.

[0036] Specifically disclosed, the filter element 2 is provided with a fixing frame 21, the top of the fixing frame 21 is connected to a handle 22, a filter screen 23 is fixedly provided inside the fixing frame 21, and the fixing frame 21 is inserted into the inside of the insertion interface 112 and is tightly clamped by the insertion rail 1162.

[0037] It should be emphasized that the sewage discharge unit 3 is equipped with a slag discharge pipe 31 and a connecting pipe 32. The connecting pipe 32 is connected to the outside of the slag discharge port 121 and is connected to the slag discharge pipe 31. A valve 321 is installed on the connecting pipe 32.

[0038] Example 2

[0039] According to the appendix Figure 1-6 As shown, the separation tank includes a separation tank 1, a filter element 2, a sludge discharge unit 3, and a stirring element 4. The filter element 2 and the stirring element 4 are located inside the separation tank 1, and the sludge discharge unit 3 is located at the bottom of the separation tank 1. The separation tank 1 includes:

[0040] Tank body 11, with a partition plate 116 provided on the inner side of the tank body 11, a flow port 1161 provided on the partition plate 116, and a rail 1162 provided on the partition plate 116;

[0041] Settling area 12 is located between partition plates 116 and is located below flow port 1161. Slag discharge port 121 is provided at the bottom of settling area 12.

[0042] It should be emphasized that the stirring element 4 is equipped with a transmission rod 41 and a stirring paddle 42. The transmission rod 41 is inserted into the inside of the sealing tube 115, and the stirring paddle 42 is sleeved inside the transmission rod 41.

[0043] Working principle: A separation tank 1, made of corrosion-resistant stainless steel, is provided. Inside the tank body 11, a partition plate 116 is provided to form multiple interconnected chambers, forming a meandering flow channel, which increases the residence time and separation path of the slurry in the tank body 11. A settling zone 12 is provided inside the tank body 11. Through a deceleration device and a special flow channel design, the flow velocity of the slurry is significantly reduced after entering this zone, providing favorable conditions for the settling of solid particles. A filter element 2 is provided: metal filter screens and microporous filter membranes with different pore sizes are installed in different chambers. From the feed inlet 111 to the clear liquid outlet 113, the filter element 2 successively reduces the pore size to prevent it from clogging the subsequent microporous filter membrane and flow channel.

[0044] 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 solid-liquid separation device for wet magnesium desulfurization, comprising a separation tank (1), a filter element (2), a sludge discharge unit (3), and a stirring element (4), wherein the filter element (2) and the stirring element (4) are located inside the separation tank (1), and the sludge discharge unit (3) is located at the bottom of the separation tank (1), characterized in that, The separation tank (1) includes: Tank body (11), the inner side of the tank body (11) is provided with a partition plate (116), the partition plate (116) is provided with a flow port (1161), and the partition plate (116) is provided with a rail (1162); Settling area (12) is located between partition plates (116) and below flow port (1161). A slag discharge port (121) is provided at the bottom of the settling area (12).

2. The solid-liquid separation device for wet magnesium desulfurization according to claim 1, characterized in that, The tank body (11) is provided with a feed inlet (111) at the top and a plug-in interface (112) is provided at the top of the tank body (11). The plug-in interface (112) is located between the partition plates (116) and corresponds to the plug rail (1162).

3. The solid-liquid separation device for wet magnesium desulfurization according to claim 1, characterized in that, The tank (11) has a clear liquid outlet (113) at the right end, a sight glass (114) at the front side of the tank (11), and a sealing tube (115) at the rear side of the tank (11).

4. The solid-liquid separation device for wet magnesium desulfurization according to claim 1, characterized in that, A sensor (117) is provided inside the tank (11), and the sensor (117) is located below the clear liquid outlet (113).

5. The solid-liquid separation device for wet magnesium desulfurization according to claim 1, characterized in that, The filter element (2) is provided with a fixing frame (21), the top of the fixing frame (21) is connected to a handle (22), a filter screen (23) is fixedly provided inside the fixing frame (21), and the fixing frame (21) is inserted into the inside of the insertion interface (112) and tightly clamped by the insertion rail (1162).

6. The solid-liquid separation device for wet magnesium desulfurization according to claim 1, characterized in that, The sewage discharge unit (3) is provided with a slag discharge pipe (31) and a connecting pipe (32). The connecting pipe (32) is connected to the outside of the slag discharge port (121) and connected to the slag discharge pipe (31). A valve (321) is provided on the connecting pipe (32).

7. The solid-liquid separation device for wet magnesium desulfurization according to claim 1, characterized in that, The stirring element (4) is provided with a transmission rod (41) and a stirring paddle (42). The transmission rod (41) is inserted into the inside of the sealing tube (115), and the stirring paddle (42) is sleeved on the inside of the transmission rod (41).

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