Solid-liquid separation device

Abstract

The utility model discloses a solid-liquid separation device, and aims to provide a solid-liquid separation device which is high in reliability, small in occupied area, good in separation effect and capable of running without power. The separator comprises a separator body and a clear liquid collection pipe, a liquid inlet cavity, a separation cavity and a collection cavity are sequentially communicated in the separator body from top to bottom, one end of the clear liquid collection pipe extends into the separation cavity from top to bottom, a swirler is arranged in the liquid inlet cavity and located at a communication port between the liquid inlet cavity and the separation cavity, and the collection cavity is communicated with the separation cavity. The swirler comprises a swirler body, a swirling guide wall and a plurality of swirling blades are arranged on the outer side of the swirler body, the swirling blades are located on the outer side of the swirling guide wall, a first interval is formed between every two adjacent swirling blades, swirling channels are formed between the swirling blades and the swirling guide wall, one end of each first interval is communicated with the liquid inlet cavity, and the other end of each first interval is communicated with the liquid outlet cavity. The other end of the first interval is communicated with the rotational flow channel, and the lower end of the rotational flow channel is communicated with the upper end of the separation cavity. The cyclone separator is applied to the technical field of cyclone separators.

Description

Technical Field

[0001] The utility model relates to the technical field of cyclone separators, in particular to a solid-liquid separation device. Background Art

[0002] The cyclone separator is a widely used solid-liquid separation device in industry. During solid-liquid separation, the liquid mixture flows into the device tangentially from the inlet and generates high-speed rotation. Due to the different densities of the light and heavy components in the mixture, the heavy component will move toward the rotating wall of the cyclone under the action of centrifugal force and concentrate near the wall. During the rotation process, it will gradually move toward the bottom outlet and finally be discharged from the cyclone. At the same time, the light component will move toward the central axis of the cyclone and move toward the inlet along the central tube located at the central axis of the cyclone, and finally be discharged from the overflow outlet to achieve the separation of light and heavy components.

[0003] At present, most cyclone separators only rely on the tangential design of the inlet end to construct the cyclone power. The centrifugal force is weak and the centrifugal effect is general. They cannot separate relatively small particles well. Since photovoltaic slicing wastewater contains a large amount of silicon powder and the particles are small, photovoltaic slicing wastewater cannot have a good solid-liquid separation effect; in addition, there is a phenomenon that the separated particles in the bottom collection area are returned to the upper area under the impact of the water flow, which finally leads to unsatisfactory solid-liquid separation effect. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a solid-liquid separation device which has high reliability, small footprint, good separation effect and unpowered operation.

[0005] The technical solution adopted by the utility model is as follows: the utility model comprises a separator body and a clear liquid collecting tube, wherein the separator body is sequentially connected with a liquid inlet chamber, a separation chamber and a collecting chamber from top to bottom, one end of the clear liquid collecting tube extends into the separation chamber from top to bottom, a cyclone is arranged in the liquid inlet chamber, the cyclone is located at the communicating port between the liquid inlet chamber and the separation chamber, the cyclone comprises a cyclone body, a swirl guide wall and a plurality of swirl blades are arranged on the outer side of the swirl guide wall, a first interval is provided between adjacent swirl blades, a swirl channel is provided between the plurality of swirl blades and the swirl guide wall, one end of the first interval is connected with the liquid inlet chamber, the other end of the first interval is connected with the swirl channel, and the lower end of the swirl channel is connected with the upper end of the separation chamber.

[0006] Furthermore, a guide baffle is provided in the collecting chamber, and the guide baffle is located at the connecting port between the separation chamber and the collecting chamber, and a second interval is formed between the outer side of the guide baffle and the inner wall of the separation chamber.

[0007] Furthermore, the cross-sectional area of ​​the separation chamber is smaller than the cross-sectional area of ​​the collection chamber.

[0008] Furthermore, a side wall at a connection between the separation chamber and the collection chamber has a first rounded corner.

[0009] Furthermore, the collecting chamber is connected with a discharge pipe.

[0010] Furthermore, the periphery of the top of the guide baffle has a second rounded corner.

[0011] Furthermore, the cross-sectional area of ​​the liquid inlet cavity is larger than the cross-sectional area of ​​the separation cavity; the separator body is provided with a liquid inlet pipe connected to the side end of the liquid inlet cavity, and the liquid inlet pipe is tangent to the inner wall of the liquid inlet cavity.

[0012] Furthermore, one end of the clear liquid collecting pipe is located in the separation chamber after passing through the cyclone from top to bottom, and is located at the center line of the separation chamber.

[0013] Furthermore, the cyclone also includes a top plate and a bottom plate, the top plate and the bottom plate are respectively arranged at the upper end and the lower end of the cyclone body, and the multiple swirl blades are located between the top plate and the bottom plate; the multiple swirl blades have a third fillet at one end close to the inner wall of the liquid inlet chamber.

[0014] Furthermore, the liquid inlet chamber, the separation chamber and the collection chamber are all cylindrical chambers.

[0015] The beneficial effects of the utility model are:

[0016] With respect to the deficiencies of the prior art, in the present invention, the cyclone is used to accelerate the cyclonic motion of the fluid in the liquid inlet chamber to increase the cyclonic force, so that the wastewater has a strong cyclonic power when entering the separation chamber from the liquid inlet chamber, and the centrifugal force is strong and the centrifugal effect is good, which can well separate relatively small particulate matter to have a good solid-liquid separation effect; in addition, the overall structure of the solid-liquid separation device of the present invention is compact and occupies a small area, and does not require a power component to drive the cyclone to operate, has no wearing parts, and can reduce costs, so that the present invention has the advantages of high reliability, small footprint, good solid-liquid separation effect and unpowered operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0020] Figure 3 yes Figure 2 A partial enlarged schematic diagram of part A;

[0021] Figure 4 The three-dimensional structure diagram of the cyclone of the utility model Figure 1 ;

[0022] Figure 5 The three-dimensional structure diagram of the cyclone of the utility model Figure 2 ;

[0023] Figure 6 This is a schematic diagram of the planar structure of the cyclone of the utility model. Figure 1 ;

[0024] Figure 7 This is a schematic diagram of the planar structure of the cyclone of the utility model. Figure 2 .

[0025] The reference numerals are as follows:

[0026] 1. Separator body; 2. Clear liquid collecting pipe; 3. Liquid inlet chamber; 4. Cyclone guide wall; 5. Separation chamber; 6. Collecting chamber; 7. Support frame; 8. Cyclone; 9. Cyclone body; 10. Cyclone blades; 11. First interval; 12. Cyclone channel; 13. Guide baffle; 15. Second interval; 16. First fillet; 17. Discharge pipe; 18. Second fillet; 19. Liquid inlet pipe; 20. Top plate; 21. Bottom plate; 22. Third fillet.

[0027] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0028] 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 of 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.

[0029] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, clockwise, counterclockwise, etc., are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0030] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0031] like Figures 1 to 7 As shown, in this embodiment, the utility model includes a separator body 1 and a clear liquid collecting pipe 2, wherein the separator body 1 is connected with a liquid inlet chamber 3, a separation chamber 5 and a collection chamber 6 in sequence from top to bottom, one end of the clear liquid collecting pipe 2 extends into the separation chamber 5 from top to bottom, a cyclone 8 is arranged in the liquid inlet chamber 3, and the cyclone 8 is located at the connecting port between the liquid inlet chamber 3 and the separation chamber 5, the cyclone 8 includes a cyclone body 9, a swirl guide wall 4 and a plurality of swirl blades 10 are arranged on the outside of the swirl guide wall 4, a first interval 11 is provided between adjacent swirl blades 10, a swirl channel 12 is provided between the plurality of swirl blades 10 and the swirl guide wall 4, one end of the first interval 11 is connected with the liquid inlet chamber 3, the other end of the first interval 11 is connected with the swirl channel 12, and the lower end of the swirl channel 12 is connected with the upper end of the separation chamber 5. The separator body 1 may be made of stainless steel, carbon steel, PE or PP, and a support frame 7 is provided at the bottom of the separator body 1; a plurality of swirl blades 10 may guide and accelerate the fluid to perform swirl motion, and the swirl blades 10 may be made of PE or PP.

[0032] During solid-liquid separation, the photovoltaic slicing wastewater is pumped into the liquid inlet chamber 3 for swirling motion, and the wastewater further flows to the cyclone 8. Under the action of multiple swirl blades 10, the wastewater enters the swirl channel 12 from the first interval 11, and accelerates downward along the swirl guide wall 4 to make a right swirling motion. The wastewater further enters the separation chamber 5 from the swirl channel 12. In this process, particulate matter with greater centrifugal force in the wastewater is thrown to the inner wall of the separation chamber 5 and separated from the clear liquid. Then the material with greater specific gravity continues to move downward along the inner wall of the separation chamber 5 for a right swirling motion, and then enters the collection chamber 6 to realize the collection of high-solid-liquid by the collection chamber 6, and then discharges the high-solid-liquid; in this process, under the action of the downward swirling force, a slight negative pressure is generated in the central area of ​​the separation chamber 5, and the separated clear liquid with small centrifugal force can enter the clear liquid collection pipe 2 and be discharged into the next unit, finally realizing the efficient separation of particulate matter in the slicing wastewater.

[0033] It is worth mentioning that in the process of wastewater entering the swirl channel 12 from the first interval 11, the multiple swirl blades 10 guide and accelerate the fluid to perform swirl motion, so that the wastewater can accelerate downward along the swirl guide wall 4 to perform right swirl motion, so that the wastewater has a strong swirl power when entering the separation chamber 5 from the liquid inlet chamber 3, and the centrifugal force is strong and the centrifugal effect is good.

[0034] With respect to the deficiencies of the prior art, in the present invention, the cyclone 8 is used to accelerate the cyclone motion of the fluid in the liquid inlet chamber 3 to increase the cyclone force, so that the wastewater has a strong cyclone power when entering the separation chamber 5 from the liquid inlet chamber 3, and the centrifugal force is strong and the centrifugal effect is good, which can well separate relatively small particulate matter to have a good solid-liquid separation effect; in addition, the overall structure of the solid-liquid separation device of the present invention is compact and occupies a small area, and does not require a power component to drive the cyclone 8 to operate, has no wearing parts, can reduce costs, and makes the present invention have the advantages of high reliability, small footprint, good solid-liquid separation effect and unpowered operation.

[0035] like Figure 2 As shown, in some embodiments, a guide baffle 13 is provided in the collection chamber 6, and the guide baffle 13 is located at the connecting port between the separation chamber 5 and the collection chamber 6, and the outer side of the guide baffle 13 and the inner wall of the separation chamber 5 have a second gap 15. Among them, when the high-solid-content liquid performs a swirling motion on the inner wall of the separation chamber 5, it can enter the collection chamber 6 through the second gap 15 without being blocked by the guide baffle 13. Specifically, by setting the guide baffle 13, part of the clear liquid can be prevented from being brought into the collection chamber 6 by the downward swirling force, and at the same time, it can also reduce or avoid the high-solid-content liquid in the collection chamber 6 from being brought into the upper separation chamber 5, which can further improve the solid-liquid separation effect.

[0036] like Figure 2 As shown, in some embodiments, the cross-sectional area of ​​the separation chamber 5 is smaller than the cross-sectional area of ​​the collection chamber 6. In some embodiments, the side wall of the connection between the separation chamber 5 and the collection chamber 6 has a first fillet 16. Specifically, since the cross-sectional area of ​​the separation chamber 5 is smaller than the cross-sectional area of ​​the collection chamber 6, the flow rate of the fluid can be reduced when it enters the collection chamber 6 from the separation chamber 5, thereby avoiding impact on the high-solid-content liquid that has been separated from the solid and liquid in the collection chamber 6; in addition, by setting the first fillet 16, the resistance of the high-solid-content liquid when it enters the collection chamber 6 from the separation chamber 5 can be reduced. Therefore, since the cross-sectional area of ​​the separation chamber 5 is smaller than the cross-sectional area of ​​the collection chamber 6 and the first fillet 16 is set, the high-solid-content liquid that performs a downward swirling motion can slowly enter the collection chamber 6.

[0037] like Figure 2 As shown, in some embodiments, the collecting chamber 6 is connected with a discharge pipe 17. Specifically, the high solid content liquid in the collecting chamber 6 can be discharged through the discharge pipe 17.

[0038] like Figure 2 As shown, in some embodiments, the periphery of the top of the guide baffle 13 has a second rounded corner 18. Specifically, by setting the second rounded corner 18, the resistance when the high-solid-content liquid enters the collection chamber 6 from the separation chamber 5 can be reduced, and the solid-liquid separated fluid in the collection chamber 6 can also be reduced or prevented from returning to the separation chamber 5.

[0039] like Figure 2 As shown, in some embodiments, the cross-sectional area of ​​the liquid inlet chamber 3 is greater than the cross-sectional area of ​​the separation chamber 5; the separator body 1 is provided with a liquid inlet pipe 19 connected to the side end of the liquid inlet chamber 3, and the liquid inlet pipe 19 is tangent to the inner wall of the liquid inlet chamber 3. Specifically, the liquid inlet pipe 19 is tangent to the inner wall of the liquid inlet chamber 3, so that the wastewater has a swirling force when it flows into the liquid inlet chamber 3 through the pump, so as to perform a swirling motion.

[0040] like Figure 2 As shown, in some embodiments, one end of the clear liquid collecting pipe 2 passes through the cyclone 8 from top to bottom and is located in the separation chamber 5, and is located at the center line position of the separation chamber 5. Specifically, under the action of the downward swirling force, a slight negative pressure is generated in the central area of ​​the separation chamber 5, and the separated clear liquid with small centrifugal force can enter from one end of the clear liquid collecting pipe 2 and be discharged into the next unit along the inner wall of the clear liquid collecting pipe 2.

[0041] like Figures 4 to 7As shown, in some embodiments, the cyclone 8 further includes a top plate 20 and a bottom plate 21, the top plate 20 and the bottom plate 21 are respectively arranged at the upper end and the lower end of the cyclone body 9, and the plurality of swirl blades 10 are located between the top plate 20 and the bottom plate 21; and the plurality of swirl blades 10 have a third fillet 22 at one end close to the inner wall of the liquid inlet chamber 3. Specifically, by providing the third fillet 22 on the swirl blade 10, the resistance of the fluid when entering the first interval 11 from the liquid inlet chamber 3 can be reduced.

[0042] like Figure 2 As shown, in some embodiments, the liquid inlet chamber 3, the separation chamber 5 and the collection chamber 6 are all cylindrical chambers.

[0043] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A solid-liquid separation device, characterized in that: The invention comprises a separator body (1) and a clear liquid collecting pipe (2); the separator body (1) is connected with a liquid inlet chamber (3), a separation chamber (5) and a collecting chamber (6) in sequence from top to bottom; one end of the clear liquid collecting pipe (2) extends from top to bottom into the separation chamber (5); a cyclone (8) is arranged in the liquid inlet chamber (3); the cyclone (8) is located at the connecting port between the liquid inlet chamber (3) and the separation chamber (5); the cyclone (8) comprises a cyclone body (9); a cyclone guide wall is arranged on the outer side of the cyclone body (9); (4) and a plurality of swirl blades (10), the plurality of swirl blades (10) being located on the outside of the swirl guide wall (4), a first interval (11) being provided between adjacent swirl blades (10), a swirl channel (12) being provided between the plurality of swirl blades (10) and the swirl guide wall (4), one end of the first interval (11) being connected to the liquid inlet chamber (3), the other end of the first interval (11) being connected to the swirl channel (12), and the lower end of the swirl channel (12) being connected to the upper end of the separation chamber (5).

2. A solid-liquid separation device according to claim 1, characterized in that: A guide baffle (13) is provided in the collecting chamber (6); the guide baffle (13) is located at the connecting port between the separation chamber (5) and the collecting chamber (6); and a second gap (15) is formed between the outer side of the guide baffle (13) and the inner wall of the separation chamber (5).

3. A solid-liquid separation device according to claim 2, characterized in that: The cross-sectional area of ​​the separation chamber (5) is smaller than the cross-sectional area of ​​the collection chamber (6).

4. A solid-liquid separation device according to claim 3, characterized in that: The side wall at the connection between the separation chamber (5) and the collection chamber (6) has a first rounded corner (16).

5. A solid-liquid separation device according to claim 2, characterized in that: The collecting chamber (6) is connected to a discharge pipe (17).

6. A solid-liquid separation device according to claim 2, characterized in that: The periphery of the top of the guide baffle (13) has a second rounded corner (18).

7. The solid-liquid separation device according to claim 1, characterized in that: The cross-sectional area of ​​the liquid inlet chamber (3) is greater than the cross-sectional area of ​​the separation chamber (5); the separator body (1) is provided with a liquid inlet pipe (19) which is connected to the side end of the liquid inlet chamber (3), and the liquid inlet pipe (19) is tangent to the inner wall of the liquid inlet chamber (3).

8. The solid-liquid separation device according to claim 1, characterized in that: One end of the clear liquid collecting pipe (2) passes through the cyclone (8) from top to bottom and is located in the separation chamber (5), and is located at the center line position of the separation chamber (5).

9. The solid-liquid separation device according to claim 1, characterized in that: The cyclone (8) further comprises a top plate (20) and a bottom plate (21), wherein the top plate (20) and the bottom plate (21) are respectively arranged at the upper end and the lower end of the cyclone body (9), and the plurality of swirl blades (10) are located between the top plate (20) and the bottom plate (21); and the plurality of swirl blades (10) have a third fillet (22) at one end close to the inner wall of the liquid inlet chamber (3).

10. A solid-liquid separation device according to any one of claims 1 to 9, characterized in that: The liquid inlet chamber (3), the separation chamber (5) and the collection chamber (6) are all cylindrical chambers.

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