Thickener

Abstract

The utility model provides a thickener. The thickener comprises a thickener body, the thickener body comprises a bridge, a shell and a discharging pipe connected with the shell, the shell is provided with a containing cavity and an opening communicated with the containing cavity, the discharging pipe is located on the side, away from the opening, of the shell and communicated with the containing cavity, and the bridge is erected at the opening of the shell; the stirring assembly is arranged on the bridge frame, and the stirring assembly extends into the containing cavity and stirs the materials in the containing cavity; the defoaming assembly comprises a liquid conveying pipeline and a plurality of spray heads communicated with the liquid conveying pipeline, the spray heads are arranged in an array mode in the radial direction and the circumferential direction of the shell, outlets of the spray heads face the opening of the shell, and the liquid conveying pipeline is arranged in the shell and configured to be capable of being communicated with the liquid supply part. According to the technical scheme provided by the utility model, the problem of low efficiency of the thickener in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of thickeners, and more specifically, to a thickener. Background Art

[0002] Mineral separation technology is an important link in mining engineering, which effectively separates useful minerals and gangue ores in ores to improve the utilization rate of resources. At present, wet beneficiation is widely used in mineral separation, and thickeners are required. A thickener is a continuous working concentration and clarification device, mainly used for dewatering concentrated and tailing slurries in wet beneficiation operations. It separates materials based on the principle of gravitational settlement of particles. A thickener is usually a cylindrical shallow tank with a conical bottom made of concrete, wood or metal welded plates. It can concentrate a slurry with a solid content of 10% - 20% into an underflow slurry with a solid content of 45% - 55% by gravitational settlement, and with the help of a slowly rotating rake installed inside the thickener, the thickened underflow slurry flows out from the underflow outlet at the bottom of the thickener.

[0003] In the prior art, during the use of a thickener, a large amount of foam appears on the liquid surface. Since solid particles adhere to the bubbles, the sedimentation speed of the particles becomes slower, greatly reducing the efficiency of the thickener. Summary of the Utility Model

[0004] The main purpose of the utility model is to provide a thickener to solve the problem of low efficiency of the thickener in the prior art.

[0005] To achieve the above purpose, the utility model provides a thickener, including: a thickener main body, including a bridge frame, a housing and a discharge pipe connected to the housing. The housing has a receiving cavity and an opening communicating with the receiving cavity. The discharge pipe is located on the side of the housing away from the opening and communicates with the receiving cavity. The bridge frame is erected at the opening of the housing; a stirring assembly, arranged on the bridge frame, the stirring assembly extends into the receiving cavity and stirs the materials in the receiving cavity; an anti-foaming assembly, including a liquid delivery pipeline and a plurality of spray heads communicated with the liquid delivery pipeline. The plurality of spray heads are arranged in a radial and circumferential array along the housing. The outlet of each spray head faces the opening of the housing. The liquid delivery pipeline is arranged on the housing and is configured to be able to communicate with a liquid supply part.

[0006] Further, the liquid delivery pipeline includes: an annular pipe, located at the opening, the annular pipe is connected to the inner wall of the receiving cavity; a plurality of shunt pipes, communicated with the annular pipe, along the circumference of the annular pipe, the plurality of shunt pipes are arranged at intervals. Each shunt pipe extends in the direction of the axis of the annular pipe along the radial direction of the annular pipe, and along the radial direction of the annular pipe, at least two spray heads are arranged on each shunt pipe.

[0007] Further, the liquid delivery pipeline further includes: a pump body disposed on a side of the bridge frame away from the housing; a connecting pipe communicating with the inlet of the pump body; a water inlet pipe passing through the bridge frame, and the water inlet pipe is used to communicate the outlet of the pump body and the annular pipe.

[0008] Further, the stirring assembly includes: a driving member disposed on the bridge frame; a first rotating shaft rotatably disposed relative to the housing, one end of the first rotating shaft is drivingly connected to the driving member, and the other end of the first rotating shaft extends into the accommodating cavity; a plurality of stirring frames disposed on the outer periphery of the first rotating shaft, the plurality of stirring frames are spaced along the circumferential direction of the first rotating shaft, and each stirring frame extends along the radial direction of the first rotating shaft.

[0009] Further, the stirring assembly further includes a plurality of reinforcing ribs, the plurality of reinforcing ribs are correspondingly disposed with the plurality of stirring frames, one end of the reinforcing rib is connected to the first rotating shaft, and the other end of the reinforcing rib is connected to the stirring frame.

[0010] Further, the stirring assembly further includes a conveying blade connected to the outer periphery of the first rotating shaft, the conveying blade is located above the stirring frame, the conveying blade is spirally arranged around the first rotating shaft, and the conveying blade is used to convey the material in the accommodating cavity to the side where the opening is located.

[0011] Further, the stirring assembly further includes a spiral blade connected to the outer periphery of the first rotating shaft, the spiral blade is located at the bottom of the accommodating cavity, and the spiral blade is correspondingly disposed with the discharge pipe.

[0012] Further, the first rotating shaft passes through the bridge frame and is rotatably connected to the bridge frame. The driving member includes: a motor disposed on the bridge frame; a driving gear connected to the output shaft of the motor, the driving gear is rotatably disposed relative to the bridge frame; a driven gear connected to the first rotating shaft, the driven gear is rotatably disposed relative to the bridge frame, and the driven gear and the driving gear are meshed.

[0013] Further, the driving member further includes a protective cover disposed on the bridge frame, and the protective cover covers the outer peripheries of the motor, the driving gear and the driven gear.

[0014] Further, the thickener further includes: a feeding cylinder located below the bridge frame, the feeding cylinder has a feeding through hole, and the feeding through hole communicates with the accommodating cavity; two support plates spaced along the radial direction of the accommodating cavity, one end of each support plate is connected to the bridge frame, and the other end of each support plate is connected to the feeding cylinder.

[0015] Applying the technical solution of the present utility model, the material enters the accommodating cavity through the opening, and the stirring assembly can stir the material in the accommodating cavity to improve the fluidity of the material. Among them, the solid particles in the material settle to the bottom of the thickener under the action of gravity and are discharged from the thickener through the discharge pipe. During the use of the thickener, a large number of bubbles will be generated on the surface of the material. By setting the defoaming assembly, the liquid flows from the liquid supply part into the liquid delivery pipeline, and then flows through the liquid delivery pipeline into a plurality of nozzles. The liquid is sprayed from the outlets of the plurality of nozzles to the opening of the housing. In this way, the sprayed liquid can come into contact with the bubbles floating on the surface of the material to achieve the effect of eliminating bubbles. In this way, the solid particles in the material are difficult to adhere to the bubbles and settle to the bottom of the thickener under the action of gravity, thereby improving the sedimentation rate of the material and further improving the use effect of the thickener. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings forming a part of this application are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation of the present utility model. In the drawings:

[0017] Figure 1 shows a schematic structural diagram of an embodiment of the thickener of the present utility model;

[0018] Figure 2 shows Figure 1 a schematic structural diagram of one perspective of the thickener;

[0019] Figure 3 shows Figure 1 a schematic structural diagram of the stirring assembly of the thickener;

[0020] Figure 4 shows Figure 1 a schematic structural diagram of the driving component of the thickener;

[0021] Figure 5 shows Figure 1 a schematic structural diagram of the defoaming assembly of the thickener.

[0022] Among them, the above-mentioned accompanying drawings include the following reference numerals:

[0023] 1. Housing; 2. Outer edge frame; 3. Bridge frame; 31. First bridge section; 32. Second bridge section; 33. Third bridge section; 4. Stirring assembly; 5. Support plate; 6. Feeding cylinder; 7. Defoaming assembly; 8. Support; 9. Discharge pipe; 40. Driving component; 41. First rotating shaft; 42. Conveyor blade; 43. Stirring frame; 431. First connecting rod; 432. Second connecting rod; 433. Third connecting rod; 44. Reinforcing rib; 45. Helical blade; 46. Driven gear; 47. Driving gear; 48. Motor; 49. Protective cover; 50. Second rotating shaft; 51. First bearing; 52. Second bearing; 61. Feed through hole; 70. Liquid delivery pipeline; 71. Annular pipe; 72. Diverging pipe; 73. Nozzle; 74. Water inlet pipe; 75. Pump body; 76. Connecting pipe. Detailed implementation mode

[0024] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0025] As Figure 1 、 Figure 2 and Figure 5 shown, the embodiment of the present utility model provides a thickener. The thickener includes: a thickener main body, including a bridge frame 3, a housing 1 and a discharge pipe 9 connected to the housing 1. The housing 1 has a receiving cavity and an opening communicating with the receiving cavity. The discharge pipe 9 is located on the side of the housing 1 away from the opening and communicates with the receiving cavity. The bridge frame 3 is erected at the opening of the housing 1; a stirring assembly 4, arranged on the bridge frame 3, and the stirring assembly 4 extends into the receiving cavity and stirs the materials in the receiving cavity; a defoaming assembly 7, including a liquid delivery pipeline 70 and a plurality of nozzles 73 communicated with the liquid delivery pipeline. The plurality of nozzles 73 are arranged in a radial and circumferential array along the housing 1, and the outlet of each nozzle 73 faces the opening of the housing 1. The liquid delivery pipeline is arranged on the housing 1, and the liquid delivery pipeline 70 is configured to be able to communicate with a liquid supply part.

[0026] In the above technical solution, the material enters the accommodating cavity through the opening, and the stirring assembly 4 can stir the material in the accommodating cavity to improve the fluidity of the material. Among them, the solid particles in the material settle to the bottom of the thickener under the action of gravity and are discharged from the thickener through the discharge pipe 9. During the use of the thickener, a large number of bubbles will be generated on the surface of the material. By setting the defoaming assembly 7, the liquid flows from the liquid supply part into the liquid delivery pipeline 70, and then flows from the liquid delivery pipeline 70 into a plurality of nozzles 73. The liquid is sprayed from the outlets of the plurality of nozzles 73 to the opening of the housing 1. In this way, the sprayed liquid can contact the bubbles floating on the surface of the material to achieve the effect of eliminating bubbles. In this way, the solid particles in the material are difficult to adhere to the bubbles and settle to the bottom of the thickener under the action of gravity, thereby improving the sedimentation rate of the material and further improving the use effect of the thickener.

[0027] It should be noted that in the embodiment of the present invention, the material in the accommodating cavity is pulp.

[0028] It should be noted that in the embodiment of the present invention, the liquid provided by the liquid supply part is water.

[0029] Preferably, in the embodiment of the present invention, the nozzle 73 adopts a high-pressure nozzle, and the high-pressure nozzle is composed of a high-pressure pump, an internal channel, a nozzle, etc. The liquid is pressurized by the high-pressure pump, and the pressurized liquid enters the nozzle through the internal channel. There are many small holes inside the nozzle, and the flow rate of water can be adjusted by controlling the number and opening degree of the small holes. The specific structure of the high-pressure nozzle can refer to the prior art and will not be elaborated here.

[0030] Specifically, in the embodiment of the present invention, as Figure 2 shown, an outer edge frame 2 is fixedly sleeved on the outer periphery of the housing 1, and both ends of the bridge frame 3 are respectively fixed on the outer edge frame 2.

[0031] Specifically, in the embodiment of the present invention, as Figure 1 shown, the bridge frame 3 includes a first bridge section 31, a second bridge section 32 and a third bridge section 33. Among them, the first bridge section 31 and the second bridge section 32 are arranged at an angle, the second bridge section 32 and the third bridge section 33 are arranged at an angle, the first bridge section 31 is connected to the outer edge frame 2, the third bridge section 33 is connected to the outer edge frame 2, and the second bridge section 32 is erected on the opening.

[0032] As Figure 5As shown, in the embodiment of the present utility model, the liquid delivery pipeline 70 includes: an annular pipe 71, located at the opening, and the annular pipe 71 is connected to the inner wall of the accommodating cavity; a plurality of shunt pipes 72, communicating with the annular pipe 71, along the circumferential direction of the annular pipe 71, the plurality of shunt pipes 72 are arranged at intervals, each shunt pipe 72 extends in the direction of the axis of the annular pipe 71 along the radial direction of the annular pipe 71, and along the radial direction of the annular pipe 71, at least two spray heads 73 are provided on each shunt pipe 72.

[0033] In the above technical solution, by providing the annular pipe 71 and a plurality of shunt pipes 72, and at least two spray heads 73 are provided on each shunt pipe 72, the plurality of spray heads 73 can be arranged along the radial and circumferential directions of the accommodating cavity. In this way, the liquid flows from the annular pipe 71 into the plurality of shunt pipes 72, and then flows through the plurality of shunt pipes 72 into the plurality of spray heads 73 arranged in an array. The spray heads 73 spray the liquid into the accommodating cavity, so that the water flow contacts the bubbles on the surface of the pulp, thereby eliminating the bubbles on the surface of the pulp, improving the area of foam elimination, and further enhancing the rate of foam elimination.

[0034] Specifically, in the embodiment of the present utility model, the annular pipe 71 is located at the opening and is connected to the inner wall of the accommodating cavity. In this way, the bubbles generated on the surface of the pulp can be blocked to prevent the bubbles from overflowing from the opening.

[0035] Specifically, in the embodiment of the present utility model, the plurality of shunt pipes 72 are equidistantly distributed along the circumferential direction of the annular pipe 71. In this way, the plurality of spray heads 73 can be evenly distributed along the circumferential direction of the annular pipe 71, so as to eliminate the bubbles more evenly.

[0036] As Figure 1 and Figure 5 shown, in the embodiment of the present utility model, the liquid delivery pipeline 70 further includes: a pump body 75, arranged on the side of the bridge 3 away from the housing 1; a connecting pipe 76, communicating with the inlet of the pump body 75; a water inlet pipe 74, passing through the bridge 3, and the water inlet pipe 74 is used to connect the outlet of the pump body 75 and the annular pipe 71.

[0037] In the above technical solution, the pump body 75 can be used to transport water from the connecting pipe 76 to the inlet of the pump body 75, and the water flows into the water inlet pipe 74 through the outlet of the pump body 75. The water flows from the water inlet pipe 74 into the annular pipe 71, so that the water can enter the plurality of spray heads 73 and be sprayed out through the plurality of spray heads 73. In this way, the bubbles on the surface of the pulp can be eliminated.

[0038] Specifically, in the embodiment of the present utility model, the connecting pipe 76 is communicated with the liquid supply part. In this way, the water in the liquid supply part can flow into the connecting pipe 76. Among them, the liquid supply part can be a water tank.

[0039] Specifically, in the embodiment of the present utility model, asFigure 5 As shown, a connecting pipe 76 communicating with the inlet of the pump body 75 is installed at the left end of the pump body 75.

[0040] As Figure 1 , Figure 3 and Figure 4 shown, in an embodiment of the present utility model, the stirring assembly 4 includes: a driving member 40 disposed on the bridge 3; a first rotating shaft 41 rotatably disposed relative to the housing 1, one end of the first rotating shaft 41 being drivingly connected to the driving member 40, and the other end of the first rotating shaft 41 extending into the accommodating cavity; a plurality of stirring frames 43 disposed on the outer periphery of the first rotating shaft 41, the plurality of stirring frames 43 being spaced apart along the circumferential direction of the first rotating shaft 41, and each stirring frame 43 extending in the radial direction of the first rotating shaft 41.

[0041] In the above technical solution, the driving member 40 can drive the first rotating shaft 41 to rotate, thereby driving the plurality of stirring frames 43 to rotate. In this way, the plurality of stirring frames 43 can fully stir the material to improve the fluidity of the pulp.

[0042] Specifically, in an embodiment of the present utility model, the plurality of stirring frames 43 can fully stir the material to improve the fluidity of the pulp, thereby improving the working efficiency of the thickener.

[0043] Specifically, in an embodiment of the present utility model, the stirring frame 43 includes a first connecting rod 431, a second connecting rod 432, and a plurality of third connecting rods 433. The first connecting rod 431 and the second connecting rod 432 are spaced apart along the axis of the first rotating shaft 41, and the plurality of third connecting rods 433 are located between the first connecting rod 431 and the second connecting rod 432 and are used to connect the first connecting rod 431 and the second connecting rod 432. In this way, the stirring range of the stirring frame 43 can be increased.

[0044] Specifically, in an embodiment of the present utility model, one stirring frame 43 includes 4 third connecting rods 433.

[0045] As Figure 1 , Figure 3 and Figure 4 shown, in an embodiment of the present utility model, the stirring assembly 4 further includes a plurality of reinforcing ribs 44. The plurality of reinforcing ribs 44 are correspondingly disposed with the plurality of stirring frames 43. One end of the reinforcing rib 44 is connected to the first rotating shaft 41, and the other end of the reinforcing rib 44 is connected to the stirring frame 43.

[0046] In the above technical solution, by providing the plurality of reinforcing ribs 44, on the one hand, the structural stability of the plurality of stirring frames 43 can be improved; on the other hand, the first rotating shaft 41 can drive the plurality of reinforcing ribs 44 to rotate, thereby further improving the stirring effect.

[0047] Specifically, in the embodiments of the present utility model, a plurality of reinforcing ribs 44 are arranged corresponding to a plurality of second connecting rods 432, and the plurality of reinforcing ribs 44 and the plurality of second connecting rods 432 are fixedly installed.

[0048] As Figure 1 , Figure 3 and Figure 4 shown, in the embodiments of the present utility model, the stirring assembly 4 further includes a conveying blade 42 connected to the outer periphery of the first rotating shaft 41. The conveying blade 42 is located above the stirring frame 43. The conveying blade 42 is spirally arranged around the first rotating shaft 41, and the conveying blade 42 is used to convey the materials in the accommodating cavity towards the side where the opening is located.

[0049] In the above technical solution, the rotation of the first rotating shaft 41 can drive the rotation of the conveying blade 42. The conveying blade 42 can convey the materials towards the direction close to the opening, and during the process of conveying the materials, the pulp can be tumbled, so that the bubbles existing in the pulp can float on the surface, thus facilitating the elimination of the bubbles on the surface of the pulp.

[0050] Specifically, in the embodiments of the present utility model, the conveying blade 42 adopts a unidirectional spiral blade, that is, a spiral blade with only one rotation direction, so that the unidirectional conveying of the materials can be realized, and the materials are prevented from being conveyed in the opposite direction.

[0051] Specifically, in the embodiments of the present utility model, the conveying blade 42 adopts a belt-type spiral surface shape, and its spiral pitch is the same as the diameter of the spiral blade.

[0052] As Figures 1 to 3 shown, in the embodiments of the present utility model, the stirring assembly 4 further includes a spiral blade 45 connected to the outer periphery of the first rotating shaft 41. The spiral blade 45 is located at the bottom of the accommodating cavity, and the spiral blade 45 is arranged corresponding to the discharge pipe 9.

[0053] In the above technical solution, the rotation of the first rotating shaft 41 can drive the rotation of the spiral blade 45, so as to stir the pulp at the bottom of the accommodating cavity through the spiral blade 45, so that the pulp in the discharge pipe 9 can flow sufficiently, thereby reducing the probability that the pulp at the bottom of the thickener is blocked in the discharge pipe 9, so that the pulp can be discharged from the discharge pipe 9 more smoothly. In this way, the practicability of the thickener can be improved.

[0054] Preferably, in the embodiments of the present utility model, the spiral blade 45 is located inside the discharge pipe 9, so that the inside of the discharge pipe 9 can be stirred.

[0055] As Figure 1 , Figure 3 , Figure 4As shown, in the embodiment of the present utility model, the first rotating shaft 41 penetrates through the bridge 3 and is rotatably connected to the bridge 3. The driving component 40 includes: a motor 48 disposed on the bridge 3; a transmission gear 47 connected to the output shaft of the motor 48, and the transmission gear 47 is rotatably disposed relative to the bridge 3; a driven gear 46 connected to the first rotating shaft 41, and the driven gear 46 is rotatably disposed relative to the bridge 3, and the driven gear 46 and the transmission gear 47 are meshed.

[0056] In the above technical solution, the output shaft of the motor 48 can drive the transmission gear 47 to rotate, so as to drive the driven gear 46 to rotate through the transmission gear 47, and further drive the first rotating shaft 41 to rotate through the driven gear 46. In this way, multiple stirring frames 43 can be rotated to stir the pulp in the accommodating cavity.

[0057] Specifically, in the embodiment of the present utility model, the driving component 40 further includes a second rotating shaft 50 and a first bearing 51. One end of the second rotating shaft 50 is connected to the output shaft of the motor 48, and the other end of the second rotating shaft 50 is connected to the inner ring of the first bearing 51. The transmission gear 47 is connected to the outer circumference of the second rotating shaft 50 and is located between the two ends of the second rotating shaft 50. An installation through hole is provided on the bridge 3, and the outer ring of the first bearing 51 is connected to the inner wall of the installation through hole. The specific structure of the bearing can refer to the prior art and will not be elaborated here.

[0058] Specifically, in the embodiment of the present utility model, the driving component 40 further includes a second bearing 52. The inner ring of the second bearing 52 is connected to the first rotating shaft 41. An installation through hole is provided on the bridge 3, and the outer ring of the second bearing 52 is connected to the inner wall of the installation through hole. The specific structure of the bearing can refer to the prior art and will not be elaborated here.

[0059] As Figure 1 、 Figure 4 and Figure 5 shown, in the embodiment of the present utility model, the driving component 40 further includes a protective cover 49 disposed on the bridge 3, and the protective cover 49 covers the outer circumferences of the motor 48, the transmission gear 47, and the driven gear 46.

[0060] Through the above settings, on the one hand, it can not only prevent the motor 48, the driven gear 46, and the transmission gear 47 from being exposed to the air, thus avoiding corrosion of the motor 48, the driven gear 46, and the transmission gear 47 by the pulp; on the other hand, it can also reduce the noise generated by the motor 48 during operation; furthermore, the protective cover 49 can also protect the motor 48, the driven gear 46, and the transmission gear 47 from being damaged.

[0061] As Figure 1 and Figure 5As shown in the figure, in the embodiment of the present utility model, the thickener further includes: a feed cylinder 6 located below the bridge 3. The feed cylinder 6 has a feed through hole 61, and the feed through hole 61 communicates with the accommodating cavity; two support plates 5 are arranged at intervals along the radial direction of the accommodating cavity. One end of each support plate 5 is connected to the bridge 3, and the other end of each support plate 5 is connected to the feed cylinder 6.

[0062] In the above technical solution, on the one hand, the pulp enters the accommodating cavity through the feed through hole 61. On the other hand, the two support plates 5 can support the feed cylinder 6 to install the feed cylinder 6 on the bridge 3.

[0063] Specifically, in the embodiment of the present utility model, the feed cylinder 6 includes a cylinder body and a top plate provided on the cylinder body. The top plate is provided with a feed port, and the feed port communicates with the inside of the cylinder body to form a feed through hole. One end of the cylinder body away from the top plate communicates with the accommodating cavity, and the pulp enters the accommodating cavity through the feed through hole to facilitate stirring of the pulp.

[0064] Specifically, in the embodiment of the present utility model, the two support plates 5 are symmetrically arranged with respect to the axis of the feed cylinder 6, and the two support plates 5 are fixedly connected to the feed cylinder 6.

[0065] Specifically, in the embodiment of the present utility model, as Figure 1 shown, a bracket 8 is fixedly connected to the lower end of the housing 1. The brackets 8 are arranged at intervals along the circumferential direction of the housing 1. In this way, the brackets 8 can support the housing 1.

[0066] From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: The material enters the accommodating cavity through the opening, and the stirring assembly can stir the material in the accommodating cavity to improve the fluidity of the material. Among them, the solid particles in the material settle to the bottom of the thickener under the action of gravity and are discharged from the thickener through the discharge pipe. During the use of the thickener, a large number of bubbles will be generated on the surface of the material. By setting the defoaming assembly, the liquid flows from the liquid supply part into the liquid delivery pipeline, and then flows from the liquid delivery pipeline into the plurality of nozzles. The liquid is sprayed from the outlets of the plurality of nozzles to the opening of the housing. In this way, the sprayed liquid can contact the bubbles floating on the surface of the material to achieve the effect of eliminating bubbles. In this way, the solid particles in the material are difficult to adhere to the bubbles and settle to the bottom of the thickener under the action of gravity, thereby improving the sedimentation rate of the material and further improving the use effect of the thickener.

[0067] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. For those skilled in the art, the present utility model can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A thickener, characterized in that, include: A thickener body comprises a bridge frame (3), a shell (1) and a discharge pipe (9) connected to the shell (1), the shell (1) having a receiving cavity and an opening communicating with the receiving cavity, the discharge pipe (9) being located on a side of the shell (1) away from the opening and communicating with the receiving cavity, and the bridge frame (3) being erected at the opening of the shell (1); A stirring component (4) is arranged on the bridge frame (3), and the stirring component (4) extends into the accommodating cavity and stirs the material in the accommodating cavity; The defoaming component (7) comprises a liquid delivery pipeline (70) and a plurality of nozzles (73) connected to the liquid delivery pipeline (70), wherein the plurality of nozzles (73) are arranged in a radial and circumferential array along the shell (1), and an outlet of each nozzle (73) is arranged toward an opening of the shell (1); the liquid delivery pipeline (70) is arranged in the shell (1), and the liquid delivery pipeline (70) is configured to be able to communicate with a liquid supply portion.

2. The thickener according to claim 1, wherein, The liquid delivery pipeline (70) comprises: an annular tube (71), located at the opening, the annular tube (71) being connected to the inner wall of the accommodating cavity; A plurality of shunt pipes (72) are connected to the annular pipe (71). The plurality of shunt pipes (72) are arranged at intervals along the circumference of the annular pipe (71). Each of the shunt pipes (72) extends along the radial direction of the annular pipe (71) toward the direction of the axis of the annular pipe (71). At least two of the nozzles (73) are provided on each of the shunt pipes (72) along the radial direction of the annular pipe (71).

3. The thickener according to claim 2, characterized in that, The liquid delivery pipeline (70) further comprises: A pump body (75) is arranged on a side of the bridge (3) facing away from the housing (1); A connecting pipe (76) connected to the inlet of the pump body (75); A water inlet pipe (74) is passed through the bridge frame (3), and the water inlet pipe (74) is used to connect the outlet of the pump body (75) and the annular pipe (71).

4. The thickener according to any one of claims 1 to 3, characterized in that The stirring assembly (4) comprises: A driving component (40) is arranged on the bridge frame (3); A first rotating shaft (41) is rotatably arranged relative to the housing (1), one end of the first rotating shaft (41) is drivingly connected to the driving component (40), and the other end of the first rotating shaft (41) extends into the accommodating cavity; A plurality of stirring racks (43) are arranged on the outer periphery of the first rotating shaft (41); the plurality of stirring racks (43) are arranged at intervals along the circumference of the first rotating shaft (41); and each stirring rack (43) extends in the radial direction of the first rotating shaft (41).

5. The thickener according to claim 4, characterized in that, The stirring assembly (4) further comprises a plurality of reinforcing ribs (44), wherein the plurality of reinforcing ribs (44) are arranged corresponding to the plurality of stirring frames (43), one end of the reinforcing rib (44) is connected to the first rotating shaft (41), and the other end of the reinforcing rib (44) is connected to the stirring frame (43).

6. The thickener according to claim 4, characterized in that, The stirring assembly (4) further includes a conveying blade (42) connected to the outer periphery of the first rotating shaft (41). The conveying blade (42) is located above the stirring frame (43). The conveying blade (42) is spirally arranged around the first rotating shaft (41) and is used for conveying the materials in the accommodating cavity towards the side where the opening is located.

7. The thickener according to claim 4, characterized in that, The stirring assembly (4) further includes a spiral blade (45) connected to the outer periphery of the first rotating shaft (41). The spiral blade (45) is located at the bottom of the accommodating cavity and is arranged corresponding to the discharge pipe (9).

8. The thickener according to claim 4, characterized in that, The first rotating shaft (41) passes through the bridge frame (3) and is rotatably connected to the bridge frame (3). The driving component (40) includes: a motor (48) arranged on the bridge frame (3); a transmission gear (47) connected to the output shaft of the motor (48). The transmission gear (47) is rotatably arranged relative to the bridge frame (3); a driven gear (46) connected to the first rotating shaft (41). The driven gear (46) is rotatably arranged relative to the bridge frame (3). The driven gear (46) and the transmission gear (47) are meshed.

9. The thickener according to claim 8, characterized in that, The driving component (40) further includes a protective cover (49) arranged on the bridge frame (3). The protective cover (49) covers the outer peripheries of the motor (48), the transmission gear (47), and the driven gear (46).

10. The thickener according to any one of claims 1 to 3, characterized in that, The thickener further includes: a feeding cylinder (6) located below the bridge frame (3). The feeding cylinder (6) has a feeding through hole (61), and the feeding through hole (61) is communicated with the accommodating cavity; two support plates (5) spaced apart along the radial direction of the accommodating cavity. One end of each support plate (5) is connected to the bridge frame (3), and the other end of each support plate (5) is connected to the feeding cylinder (6).

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