Fixed bed clarifier

Abstract

The utility model discloses a fixed bed clarifier. The fixed bed clarifier comprises a containing assembly, a feeding assembly and a filtering assembly, the containing assembly comprises a containing cylinder and a first end cover, the containing cylinder is arranged in the axial direction in a penetrating mode, and the first end cover is detachably installed at one end of the containing cylinder. The feeding assembly comprises a first feeding cylinder, and the first feeding cylinder is arranged in the containing cylinder, communicates with the containing cylinder and is arranged in the axial direction in a penetrating mode. The filtering assembly comprises a filtering plate and an overflow pipe, the filtering plate is installed between the containing cylinder and the first feeding cylinder, and the overflow pipe is installed in the containing cylinder, communicates with the containing cylinder and is located on the side, opposite to the first end cover, of the filtering plate. Compared with the prior art that slurry is injected from the bottom of the tank body, the first feeding cylinder is arranged at the top of the containing cylinder, filtration can be achieved through the dead weight of the slurry, a driving pump is not needed, and therefore energy consumption can be greatly reduced. The flocculating agent is fed in advance to primarily filter the slurry injected into the containing cylinder, and the filtering plate is matched to secondarily filter the slurry, so that the purification effect is good.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of filtering equipment, in particular to a fixed bed clarifier. Background Art

[0002] In the fields of mining, metallurgy, chemical industry, and environmental protection, slurry containing ultrafine particles is a common material. When discharging the slurry, it is necessary to separate the solid particles from the liquid in the slurry through a filtering device so that the filtered liquid meets the discharge standards. In the related art, for example, a Chinese invention patent (application number: 200610113361.2) discloses a floating bed filter, in which the slurry is injected into the tank body from the bottom of the tank body through the water inlet pipe under the action of an external drive pump. As the amount of slurry injected increases, the liquid level of the slurry in the tank body gradually rises, and the slurry is discharged from the outlet pipe after being filtered by the filter plate. However, in actual application, as the amount of slurry filtered out by the filter plate increases, the solid particles on the side of the filter plate facing away from the outlet pipe also increase, and gradually clog the filter plate mesh, which easily leads to a poor purification effect of the filter. Therefore, in order to ensure the purification effect, it is necessary to increase the power of the external drive pump, which consumes a lot of energy. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the related technology and provide a fixed bed clarifier which can reduce energy consumption and has good purification effect.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A fixed bed clarifier, comprising:

[0006] A containing assembly, the containing assembly comprising a containing tube and a first end cover, the containing tube is axially through-arranged, and the first end cover is detachably mounted on one end of the containing tube;

[0007] A feeding assembly, the feeding assembly comprising a first feeding cylinder, the first feeding cylinder is arranged in the accommodating cylinder, is communicated with the accommodating cylinder, and is axially penetrated;

[0008] The filter assembly includes a filter plate and an overflow pipe. The filter plate is installed between the accommodating cylinder and the first feeding cylinder. The overflow pipe is installed in the accommodating cylinder and is connected to the accommodating cylinder and is located on the side of the filter plate facing away from the first end cover.

[0009] As a further improvement of the above technical solution:

[0010] Optionally, the fixed bed clarifier further comprises a water inlet pipe, wherein the water inlet pipe passes through the containing tube and is connected to the first feeding tube.

[0011] Optionally, at least a portion of the first feeding cylinder is exposed to the outside of the accommodating cylinder from an end of the accommodating cylinder away from the first end cover.

[0012] Optionally, the filter components are arranged in multiple groups, and the multiple groups of filter components are arranged at intervals along the axial direction, and a filter layer is provided between any two adjacent groups of filter components.

[0013] Optionally, the feeding assembly further includes a second feeding cylinder, which is disposed in the first feeding cylinder, is communicated with the first feeding cylinder, and is axially penetrated.

[0014] Optionally, the second feeding barrel includes an axial pipe and a plurality of radial pipes, the axial pipe is extended axially, the plurality of radial pipes are connected to the outer periphery of one end of the axial pipe close to the first end cover, are communicated with the axial pipe, and are spaced apart.

[0015] Optionally, a plurality of limit seats are installed on the outer wall of the first feeding barrel, and the plurality of limit seats are arranged at intervals around the axial direction; the outer wall of the second feeding barrel has a limit platform; the feeding assembly also includes a first bearing frame and a second bearing frame, the first bearing frame is mounted on the end of the accommodating barrel away from the first end cover, and is configured to be able to form a limit along the axial direction with the plurality of limit seats, and the second bearing frame is mounted on the end of the first feeding barrel away from the first end cover, and is configured to be able to form a limit along the axial direction with the limit platform.

[0016] Optionally, the accommodating cylinder includes a cylindrical cylinder and a conical cylinder, and the conical cylinder is connected to the cylindrical cylinder.

[0017] Optionally, the accommodating assembly further includes a plurality of discharge pipes, which are all installed on the accommodating cylinder, communicated with the accommodating cylinder, and arranged at intervals.

[0018] Optionally, the accommodating assembly further comprises an inspection port and a second end cover, wherein the inspection port is mounted on the accommodating tube and communicated with the accommodating tube, and the second end cover is detachably mounted on an end of the inspection port away from the accommodating tube.

[0019] Compared with the related art, the advantages of the present invention are:

[0020] Compared with the related art of injecting slurry from the bottom of the tank, the first feeding cylinder is arranged at the top of the receiving cylinder, and the slurry can be filtered by its own weight without using a driving pump, thus greatly reducing energy consumption. In addition, the slurry injected into the receiving cylinder is filtered for the first time by pre-injecting flocculants, and the slurry is filtered for the second time by using the filter plate, so the purification effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a stereoscopic diagram of a fixed bed clarifier provided in an embodiment of the present application;

[0022] Figure 2 is a cross-sectional view of a fixed bed clarifier provided in an embodiment of the present application;

[0023] Figure 3 yes Figure 1 A partial enlarged view of point A in the middle.

[0024] The symbols in the figure represent:

[0025] 1. Accommodating assembly; 11. Accommodating cylinder; 111. Cylindrical cylinder; 112. Conical cylinder; 12. First end cover; 13. Discharge pipe; 14. Inspection port; 15. Second end cover; 2. Feeding assembly; 21. First feeding cylinder; 22. Second feeding cylinder; 221. Axial pipeline; 222. Radial pipeline; 23. Limit seat; 24. Limit platform; 25. First supporting frame; 26. Second supporting frame; 3. Filter assembly; 31. Filter plate; 32. Overflow pipe; 4. Water inlet pipe. DETAILED DESCRIPTION

[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0027] Based on this, the utility model provides a fixed bed clarifier, which has low energy consumption and good purification effect.

[0028] like Figures 1 to 3 As shown, an embodiment of the present application provides a fixed bed clarifier, including a containing assembly 1, a feeding assembly 2 and a filtering assembly 3. The containing assembly 1 includes a containing cylinder 11 and a first end cover 12, the containing cylinder 11 is axially through-arranged, and the first end cover 12 is detachably mounted on one end of the containing cylinder 11. The feeding assembly 2 includes a first feeding cylinder 21, the first feeding cylinder 21 is disposed in the containing cylinder 11, and is connected to the containing cylinder 11, and is axially through-arranged. The filtering assembly 3 includes a filter plate 31 and an overflow pipe 32, the filter plate 31 is installed between the containing cylinder 11 and the first feeding cylinder 21, the overflow pipe 32 is installed in the containing cylinder 11, and is connected to the containing cylinder 11, and is located on the side of the filter plate facing away from the first end cover 12.

[0029] It should be noted that the axial direction above and below refers to the bidirectional direction of the central axis defined by the structure of the accommodating cylinder 11 itself. Figure 1 The X-axis shown in .

[0030] Specifically, before using the device, it is necessary to first add a flocculant into the receiving tube 11. When using the device, the slurry is injected into the receiving tube 11 through the first feeding tube 21. Under the action of the flocculant, some solid particles in the slurry condense into large flocs, and the large flocs settle to the bottom of the receiving tube 11 under the action of gravity, that is, the end of the receiving tube 11 close to the first end cover 12. As the slurry is continuously injected, the slurry continues to rise in the receiving tube 11 until the slurry passes through the filter plate 31. Under the action of the filter plate 31, the remaining solid particles and liquid in the slurry can be separated, and the solid particles are blocked on the side of the filter plate 31 facing the first end cover 12. As the slurry is continuously injected, the liquid continues to rise in the receiving tube 11 until the liquid rises to the position of the overflow pipe 32, and the liquid can be discharged from the receiving tube 11 through the overflow pipe 32. Open the first end cover 12, and the large flocs and the remaining fixed particles can be discharged from the receiving tube 11.

[0031] The fixed bed clarifier provided in the present application adopts the first feeding cylinder 21. Compared with the related art in which the slurry is injected from the bottom of the tank, the first feeding cylinder 21 is arranged at the top of the receiving cylinder 11, and the slurry can be filtered by its own weight without using a driving pump, thereby greatly reducing energy consumption. In addition, the slurry injected into the receiving cylinder 11 is initially filtered by pre-injecting a flocculant, and the slurry is filtered twice with the filter plate 31, so the purification effect is good.

[0032] Optionally, the fixed bed clarifier comprises a solids content detector.

[0033] With such an arrangement, the solid particle content in the discharged liquid can be detected by a fixed particle content meter, which makes it easy to judge whether the discharged liquid meets the emission standards, and helps to improve the convenience of use.

[0034] In one embodiment of the present application, see Figures 1 to 3 The fixed bed clarifier further includes a water inlet pipe 4 , which is disposed in the containing tube 11 and is connected to the first feeding tube 21 .

[0035] With such a configuration, the water inlet pipe 4 can inject clean water into the receiving tube 11, and the clean water can clean the receiving tube 11. After the first end cover 12 is opened and the receiving tube 11 is cleaned with clean water, the clean water can discharge the large flocculent particles and solid particles from the bottom of the receiving tube 11, which is convenient for cleaning and helps to improve the convenience of use.

[0036] Optionally, a switch valve is installed on the water inlet pipe 4, and the switch valve is used to control the on-off of the water inlet pipe 4.

[0037] In one embodiment of the present application, please refer to Figure 1At least a portion of the first feeding barrel 21 is exposed to the outside of the accommodating barrel 11 from one end of the accommodating barrel 11 away from the first end cover 12 .

[0038] With such arrangement, when the slurry is injected into the receiving tube 11 through the first feeding tube 21, as the amount of slurry filtered by the filter plate 31 increases, the liquid level of the slurry in the first feeding tube 21 is higher than the liquid level of the slurry in the receiving tube 11. Since at least part of the first feeding tube 21 is exposed to the outside of the receiving tube 11 from the end of the receiving tube 11 away from the first end cover 12, it is possible to prevent the slurry from overflowing from the end of the first feeding tube 21 away from the first end cover 12 into the receiving tube 11, causing the fixed bed clarifier to fail.

[0039] Optionally, the fixed bed clarifier further includes a heightening cylinder (not shown in the figure), which is installed at one end of the first feeding cylinder 21 away from the first end cover 12 .

[0040] With such arrangement, in actual application, as the slurry continues to rise in the first feeding barrel 21 , the installation of the heightening barrel can prevent the slurry from overflowing from the first feeding barrel 21 .

[0041] In one embodiment of the present application, see Figures 1 to 3 The filter components 3 are arranged in multiple groups, and the multiple groups of filter components 3 are arranged at intervals along the axial direction. A filter layer (not shown in the figure) is provided between any two adjacent groups of filter components 3.

[0042] It should be noted that in this embodiment, the number of filter components 3 is set to two groups for illustration. Of course, in other embodiments, according to actual application requirements, the filter components 3 can also be set to three groups, four groups, five groups... other numbers, which are not limited here. It should be noted that the mesh diameter of the filter plate 31 close to the first end cap 12 is greater than or equal to the mesh diameter of the filter plate 31 away from the first end cap 12.

[0043] Specifically, when the slurry needs to be filtered, the overflow pipe 32 near the first end cap 12 is closed first. The slurry continues to rise after being filtered by the filter plate 31 near the first end cap 12. As the slurry rises, the filter layer is suspended on the surface of the slurry and moves with the slurry until the filter layer contacts the filter plate 31 away from the first end cap 12. As the slurry continues to rise, the slurry passes through the filter layer and the filter plate 31 away from the first end cap 12 in sequence, and the liquid is finally discharged from the overflow pipe 32 away from the first end cap 12.

[0044] More specifically, when the fixed bed clarifier needs to be cleaned, all overflow pipes 32 are closed first, then the water inlet pipe 4 is opened, and clean water is injected into the receiving tube 11 through the water inlet pipe 4 until the clean water rises to the overflow pipe 32 away from the first end cover 12. The water inlet pipe 4 is closed, and the first end cover 12 is removed at the same time. Under the action of gravity, the clean water flows toward the end of the receiving tube 11 away from the first feeding tube 21. At the same time, the clean water drives the solid particles to be discharged from the end of the receiving tube 11 away from the first feeding tube 21, and the flushing is repeated many times.

[0045] In this way, the filter components 3 are arranged into multiple groups, which can increase the number of slurry filtration times compared to the related art, and help to further improve the purification effect of the device on the slurry.

[0046] Optionally, a switch valve is installed on the overflow pipe 32, and the switch valve is used to control the opening and closing of the overflow pipe 32.

[0047] Optionally, the filter layer is configured as a plurality of suspended filter balls.

[0048] In one embodiment of the present application, see Figures 1 to 3 The feeding assembly 2 further includes a second feeding cylinder 22, which is disposed in the first feeding cylinder 21, is communicated with the first feeding cylinder 21, and is axially penetrated.

[0049] It should be noted that when the slurry is injected into the receiving tube 11, some solid particles in the slurry are coagulated into large flocs by the flocculant. The large flocs settle to the bottom of the receiving tube 11 under the action of gravity. Since the first feeding tube 21 is axially through-set, when the slurry is injected into the receiving tube 11, the slurry easily impacts the precipitated large flocs, causing the large flocs to continuously shift in the receiving tube 11, making it inconvenient for the slurry to flow through the filter plate 31.

[0050] In this way, the second feeding cylinder 22 is used, and when the slurry is injected into the receiving cylinder 11, the slurry can be first injected into the first feeding cylinder 21. The end of the second feeding cylinder 22 close to the first end cover 12 is immersed below the liquid surface in the first feeding cylinder 21, which can prevent the slurry from directly impacting the large floccules at the bottom of the receiving cylinder 11, thereby preventing the large floccules from shifting in the receiving cylinder 11 as much as possible, making it easier for the slurry to flow through the filter plate 31, thereby helping to improve the purification efficiency.

[0051] In one embodiment of the present application, please refer to Figures 1 to 3 The second feeding barrel 22 includes an axial pipe 221 and a plurality of radial pipes 222. The axial pipe 221 is extended along the axial direction. The plurality of radial pipes 222 are all connected to the outer periphery of one end of the axial pipe 221 close to the first end cover 12, and are connected to the axial pipe 221 and are arranged at intervals.

[0052] In this arrangement, an axial pipe 221 and a plurality of radial pipes 222 are used, and the slurry is sequentially injected into the first feeding barrel 21 through the axial pipe 221 and the radial pipes 222. The radial pipe 222 is used to change the injection direction of the slurry, prevent the slurry from being injected into the first feeding barrel 21 along the axial direction, further reduce the impact of the slurry on the large floccules, and help to further improve the purification efficiency of the device.

[0053] In one embodiment of the present application, see Figures 1 to 3 The outer wall of the first feeding barrel 21 is equipped with a plurality of limit seats 23, and the plurality of limit seats 23 are arranged at intervals around the axial direction. The outer wall of the second feeding barrel 22 has a limit platform 24. The feeding assembly 2 also includes a first bearing frame 25 and a second bearing frame 26. The first bearing frame 25 is mounted on the end of the containing barrel 11 away from the first end cover 12, and is configured to form a limit with the plurality of limit seats 23 along the axial direction. The second bearing frame 26 is mounted on the end of the first feeding barrel 21 away from the first end cover 12, and is configured to form a limit with the limit platform 24 along the axial direction.

[0054] In this arrangement, since the first carrier 25 can be limited along the axial direction with the plurality of limit seats 23, the first carrier 25 can be used to carry the first feeding barrel 21 through the plurality of limit seats 23, and it is easy to disassemble and install. Since the second carrier 26 can be limited along the axial direction with the limit platform 24, the second carrier 26 can be used to carry the second feeding barrel 22 through the limit platform 24, and it is easy to disassemble and install, which helps to improve the convenience of use.

[0055] In one embodiment of the present application, see Figures 1 to 3 The containing cylinder 11 includes a cylindrical cylinder 111 and a conical cylinder 112 , and the conical cylinder 112 is connected to the cylindrical cylinder 111 .

[0056] With such a configuration, the conical tube 112 is used, so that when cleaning the receiving tube 11, clean water can drive impurities to be quickly discharged from the end of the conical tube 112 away from the cylindrical tube 111, which helps to improve the cleaning efficiency.

[0057] In one embodiment of the present application, please refer to Figures 1 to 3 The containing assembly 1 further includes a plurality of discharge pipes 13, which are all installed in the containing cylinder 11, are connected to the containing cylinder 11, and are arranged at intervals.

[0058] With such arrangement, the discharge pipe 13 can be used to regularly clean up the large floccules in the conical cylinder 112, and the cleaning is convenient. The discharge pipe 13 is arranged in a plurality, which helps to improve the cleaning efficiency.

[0059] Optionally, a switch valve is installed on the discharge pipe 13 , and the switch valve is used to control the on-off of the discharge pipe 13 .

[0060] In one embodiment of the present application, see Figures 1 to 3 The containing assembly 1 further includes an inspection port 14 and a second end cover 15 . The inspection port 14 is mounted on the containing tube 11 and communicates with the containing tube 11 . The second end cover 15 is detachably mounted on one end of the inspection port 14 away from the containing tube 11 .

[0061] With such arrangement, after the second end cover 15 is removed from the inspection opening 14 , the maintenance personnel can inspect the inside of the device through the inspection opening 14 , which helps to improve the convenience of use.

[0062] Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with the art can use the above disclosed technical content to make many possible changes and modifications to the technical solution of the present invention without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention should fall within the scope of protection of the technical solution of the present invention.

Claims

1. A fixed bed clarifier, characterized in that: include: A containing assembly (1), the containing assembly (1) comprising a containing cylinder (11) and a first end cover (12), the containing cylinder (11) being arranged to penetrate along the axial direction, and the first end cover (12) being detachably mounted on one end of the containing cylinder (11); A feeding assembly (2), the feeding assembly (2) comprising a first feeding cylinder (21), the first feeding cylinder (21) being arranged in the accommodating cylinder (11), being in communication with the accommodating cylinder (11), and being arranged to penetrate along the axial direction; A filter assembly (3), the filter assembly (3) comprising a filter plate (31) and an overflow pipe (32), the filter plate (31) being installed between the accommodating cylinder (11) and the first feeding cylinder (21), the overflow pipe (32) being installed in the accommodating cylinder (11) and being connected to the accommodating cylinder (11), and being located on the side of the filter plate facing away from the first end cover (12).

2. The fixed bed clarifier according to claim 1, characterized in that: The fixed bed clarifier further comprises a water inlet pipe (4), wherein the water inlet pipe (4) is passed through the containing cylinder (11) and is connected to the first feeding cylinder (21).

3. The fixed bed clarifier according to claim 1, characterized in that: At least a portion of the first feeding cylinder (21) is exposed to the outside of the accommodating cylinder (11) from an end of the accommodating cylinder (11) away from the first end cover (12).

4. The fixed bed clarifier according to claim 1, characterized in that: The filter components (3) are arranged in multiple groups, and the multiple groups of filter components (3) are arranged at intervals along the axial direction, and a filter layer is provided between any two adjacent groups of filter components (3).

5. The fixed bed clarifier according to claim 1, characterized in that: The feeding assembly (2) further comprises a second feeding cylinder (22), wherein the second feeding cylinder (22) is arranged inside the first feeding cylinder (21), is communicated with the first feeding cylinder (21), and is axially penetrated.

6. The fixed bed clarifier according to claim 5, characterized in that: The second feeding barrel (22) comprises an axial pipe (221) and a plurality of radial pipes (222); the axial pipe (221) is arranged to extend in the axial direction; the plurality of radial pipes (222) are all connected to the outer periphery of one end of the axial pipe (221) close to the first end cover (12), are communicated with the axial pipe (221), and are arranged at intervals.

7. The fixed bed clarifier according to claim 5, characterized in that: The outer wall of the first feeding barrel (21) is equipped with a plurality of limit seats (23), and the plurality of limit seats (23) are arranged at intervals around the axial direction; the outer wall of the second feeding barrel (22) has a limit platform (24); the feeding assembly (2) also includes a first bearing frame (25) and a second bearing frame (26), the first bearing frame (25) is mounted on the end of the accommodating barrel (11) away from the first end cover (12), and is configured to be able to form a limit with the plurality of limit seats (23) along the axial direction, and the second bearing frame (26) is mounted on the end of the first feeding barrel (21) away from the first end cover (12), and is configured to be able to form a limit with the limit platform (24) along the axial direction.

8. The fixed bed clarifier according to claim 1, characterized in that: The accommodating cylinder (11) comprises a cylindrical cylinder (111) and a conical cylinder (112), and the conical cylinder (112) is connected to the cylindrical cylinder (111).

9. The fixed bed clarifier according to claim 1, characterized in that: The containing assembly (1) further comprises a plurality of discharge pipes (13), wherein the plurality of discharge pipes (13) are all installed on the containing cylinder (11), are in communication with the containing cylinder (11), and are arranged at intervals.

10. The fixed bed clarifier according to claim 1, characterized in that: The containing assembly (1) further comprises an inspection port (14) and a second end cover (15); the inspection port (14) is mounted on the containing tube (11) and is in communication with the containing tube (11); the second end cover (15) is detachably mounted on an end of the inspection port (14) away from the containing tube (11).

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