Shearing assembly of magnetic flocculation integrated equipment

Abstract

The utility model discloses a shearing component of magnetic flocculation integrated equipment, which comprises a three-way pipe and a sealing cylinder communicated with one end of the three-way pipe, a rotating shaft used for driving a blade to rotate is arranged in the three-way pipe, and a transmission shaft used for driving the rotating shaft to rotate is arranged at one end, far away from the three-way pipe, of the sealing cylinder. A sealing ring sleeved with the transmission shaft is embedded in the sealing cylinder; a speed-increasing assembly is arranged in the sealing cylinder, and a speed-reducing motor for driving the transmission shaft to rotate is arranged at the outer end; the speed increasing assembly comprises a second transmission gear connected with the transmission shaft in a matched mode and a driven gear connected with the rotating shaft. The transmission shaft and the second transmission gear are synchronous in rotating speed, the second transmission gear and the driven gear are meshed, the gear ratio is n: 1, and n is larger than 1. Through the speed increasing assembly and the speed reducing motor, high-speed rotation of the blade can be ensured while low-speed rotation of the transmission shaft is ensured, the friction speed between the blade and the sealing ring is reduced, the service life of the sealing ring is ensured, and the replacement frequency of the sealing ring is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic flocculation, in particular to a shearing component of magnetic flocculation integrated equipment. Background Art

[0002] At present, a common sewage treatment technology is magnetic flocculation technology. In the ordinary coagulation and sedimentation process, an appropriate amount of recyclable magnetic seeds are added to the sewage simultaneously, so that the magnetic seeds are evenly dispersed in the water to form tiny crystal nuclei, and magnetic floccules are formed under the joint action of coagulants and flocculants, so as to enhance the coagulation and flocculation effects. Finally, the solid-liquid separation of sewage is achieved by relying on gravity and the inclined tube (plate) sedimentation principle, or through super magnetic separation technology, so as to achieve the purpose of eliminating most of the pollutants in the sewage. The shear component is more important in the magnetic flocculation equipment. It is used to crush and disperse the mixed sludge and magnetic seeds before recovering the magnetic seeds to improve the subsequent recovery rate of the magnetic seeds.

[0003] The existing shearing assembly is provided with several common parts including a driving device, a transmission shaft and a crushing blade. It is installed above the three-way pipe and extends the blade into the pipe. The mixture containing magnetic seeds and sludge in the pipe is crushed through the transmission of the motor and the transmission shaft. The existing shearing assembly is provided with a seal, such as a sealing ring, to seal the transmission shaft to prevent the sewage in the pipe from damaging the driving device above. However, the existing shearing assembly directly connects the motor and the blade through the transmission shaft, and sets a sealing ring on the transmission shaft. The high-speed rotation of the transmission shaft driven by the motor rubs against the sealing ring at high speed, which will cause the sealing ring to heat up seriously and accelerate aging and damage, thereby requiring frequent replacement, which is more troublesome. Utility Model Content

[0004] In view of the defect in the prior art that the transmission shaft directly connects the motor and the blade will rotate at high speed, resulting in excessive friction with the sealing ring, causing the sealing ring to be damaged quickly and requiring frequent replacement, the utility model provides a shearing component of a magnetic flocculation integrated device. It can solve the problem of excessive friction between the transmission shaft and the sealing ring causing the sealing ring to be damaged quickly while ensuring the high-speed rotation of the blade.

[0005] In order to solve the above technical problems, the utility model is solved by the following technical solutions:

[0006] The shearing assembly of the magnetic flocculation integrated equipment comprises a tee and a sealing cylinder connected to one end of the tee, a rotating shaft for driving the blade to rotate is arranged inside the tee, a transmission shaft for driving the rotating shaft to rotate is arranged at one end of the sealing cylinder away from the tee, and a sealing ring for sleeved on the transmission shaft is embedded in the sealing cylinder;

[0007] A speed increasing assembly is arranged inside the sealing cylinder, and a speed reducing motor for driving the transmission shaft to rotate is arranged at the outer end; the speed increasing assembly includes a second transmission gear connected with the transmission shaft, and a driven gear connected with the rotating shaft;

[0008] The transmission shaft rotates synchronously with the second transmission gear, and the second transmission gear meshes with the driven gear with a gear ratio of n:1, wherein n>1.

[0009] Through the speed increasing assembly and the speed reducing motor of the utility model, it is possible to ensure the high-speed rotation of the blade while ensuring the low-speed rotation of the transmission shaft, thereby reducing the friction speed between the blade and the sealing ring, ensuring the service life of the sealing ring and reducing the replacement frequency of the sealing ring.

[0010] The provision of the reduction motor reduces the speed of the transmission shaft compared with the prior art in which the blade is directly driven by the motor, thereby reducing the friction speed between the transmission shaft and the sealing ring to ensure the life of the sealing ring.

[0011] Among them, the setting of the speed increasing component enables the transmission shaft to drive the rotating shaft and the blade to rotate at a relatively high speed when rotating at a low speed, thereby ensuring that the blade can achieve a high-speed shearing effect on the magnetic seed sludge mixture in the three-way pipe.

[0012] Preferably, the speed increasing assembly also includes an expansion bin connected to one side of the second fixed cylinder, the internal bearing of the expansion bin is connected to a support shaft parallel to the rotating shaft, the second transmission gear is coaxially fixed to the support shaft, the support shaft is also fixed with a first transmission gear parallel to the second transmission gear, the first transmission gear is meshed with a driving gear coaxially fixed to the end of the transmission shaft, and the driving gear has the same number of teeth as the first transmission gear.

[0013] In the utility model, by setting the expansion chamber, the second transmission gear can be set larger, thereby increasing the gear ratio and increasing the rotation speed of the blade.

[0014] Preferably, the sealing cylinder comprises a first fixed cylinder and a second fixed cylinder, and both ends of the second fixed cylinder are coaxially fixed to the tee pipe and the first fixed cylinder through flanges respectively.

[0015] In the utility model, the sealing cylinder can be disassembled by providing the first fixing cylinder and the second fixing cylinder, thereby facilitating the disassembly of the components in the first fixing cylinder and the second fixing cylinder.

[0016] Preferably, a limiting plate is fixed on the inner surface of one end of the first fixed cylinder facing the second fixed cylinder, and the sealing ring is embedded in the first fixed cylinder, with its outer diameter matching the inner diameter of the first fixed cylinder, and its inner diameter matching the outer diameter of the transmission shaft, and is fixed to the limiting plate by bolts and nuts.

[0017] In the utility model, by setting the limiting plate, the sealing ring is limited by abutting against the limiting plate due to gravity, thereby fixing the position of the sealing ring.

[0018] Preferably, one end of the transmission shaft is transmission-connected to the output end of the reduction motor, and the other end passes through the sealing ring to the second fixed cylinder.

[0019] In the utility model, the transmission shaft can rotate at a low speed compared with ordinary motor drive by setting the reduction motor, thereby ensuring low-speed friction between the transmission shaft and the sealing ring.

[0020] Preferably, a partition is fixed on the inner surface of one end of the second fixed cylinder connected to the three-way pipe, the rotating shaft and the partition are connected through the bearing, one end extends to one side of the expansion bin and is coaxially fixed to the driven gear, and the other end extends into the three-way pipe and is connected to a connecting plate by screws, and a crushing shaft coaxial with the rotating shaft is fixed on the other side of the connecting plate, a number of blades are provided and arranged in a circular array on the periphery of the crushing shaft, and a number of cutter discs are also coaxially fixed to the crushing shaft.

[0021] In the utility model, the partition is arranged so that the amount of sewage in the three-way pipe entering the second fixed cylinder can be reduced, thereby ensuring the service life of the speed increasing component. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall three-dimensional structure in Example 1;

[0023] Figure 2 is a schematic diagram of the overall internal structure in Example 1;

[0024] Figure 3 is a schematic diagram of the speed increasing assembly in Example 1;

[0025] Figure 4 This is a schematic diagram of the blade connection structure in Example 1.

[0026] The parts indicated by the numbers in the accompanying drawings are as follows:

[0027] 100, three-way pipe; 110, sealing cylinder; 120, second fixed cylinder; 130, first fixed cylinder; 231, sealing ring; 232, limit plate; 140, reduction motor; 241, transmission shaft; 250, speed increasing assembly; 351, driving gear; 352, first transmission gear; 353, second transmission gear; 354, driven gear; 155, expansion chamber; 356, support shaft; 260, rotating shaft; 470, crushing shaft; 271, blade; 472, cutter head; 473, connecting plate; 280, partition. DETAILED DESCRIPTION

[0028] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments are only used to explain the utility model but not to limit it.

[0029] Example 1

[0030] like Figure 1-4 As shown, this embodiment provides a shearing assembly of a magnetic flocculation integrated device, which includes a tee pipe 100 and a sealing cylinder 110 connected to one end of the tee pipe 100, a rotating shaft 260 for driving a blade 271 to rotate is provided inside the tee pipe 100, and a transmission shaft 241 for driving the rotating shaft 260 to rotate is provided at one end of the sealing cylinder 110 away from the tee pipe 100, and a sealing ring 231 is embedded in the sealing cylinder 110 and sleeved with the transmission shaft 241;

[0031] The sealing cylinder 110 is provided with a speed increasing assembly 250 inside, and a speed reducing motor 140 for driving the transmission shaft 241 to rotate is provided at the outer end; the speed increasing assembly 250 includes a second transmission gear 353 connected to the transmission shaft 241, and a driven gear 354 connected to the rotating shaft 260;

[0032] The transmission shaft 241 rotates synchronously with the second transmission gear 353 . The second transmission gear 353 meshes with the driven gear 354 , and the gear ratio is n:1, wherein n>1.

[0033] Through the speed increasing component 250 and the reduction motor 140 in this embodiment, the high-speed rotation of the blade 271 can be ensured while the low-speed rotation of the transmission shaft 241 is ensured, thereby reducing the friction speed between the sealing ring 231, ensuring the service life of the sealing ring 231, and reducing the replacement frequency of the sealing ring 231. The rotation speed of the reduction motor 140 can be revolutions per minute, and the gear ratio of the second transmission gear 353 to the driven gear 354 can be 4:1, which is specifically set according to the size, space and expected rotation speed of the device.

[0034] In this embodiment, the speed increasing assembly 250 also includes an expansion bin 155 connected to one side of the second fixed cylinder 120. The internal bearing of the expansion bin 155 is connected to a support shaft 356 parallel to the rotating shaft 260. The second transmission gear 353 is coaxially fixed to the support shaft 356. The support shaft 356 is also fixed with a first transmission gear 352 parallel to the second transmission gear 353. The first transmission gear 352 is meshed with a driving gear 351 coaxially fixed to the end of the transmission shaft 241. The driving gear 351 has the same number of teeth as the first transmission gear 352.

[0035] By providing the expansion chamber 155 in this embodiment, the second transmission gear 353 can be set larger, thereby increasing the gear ratio and increasing the rotation speed of the blade 271.

[0036] In this embodiment, the sealing cylinder 110 includes a first fixed cylinder 130 and a second fixed cylinder 120 , and both ends of the second fixed cylinder 120 are coaxially fixed to the tee pipe 100 and the first fixed cylinder 130 through flanges, respectively.

[0037] By disposing the first fixing tube 130 and the second fixing tube 120 in this embodiment, the sealing tube 110 can be disassembled, thereby facilitating the disassembly of the components in the first fixing tube 130 and the second fixing tube 120 .

[0038] In this embodiment, a limiting plate 232 is fixed to the inner surface of the first fixed cylinder 130 at one end facing the second fixed cylinder 120, and the sealing ring 231 is embedded in the first fixed cylinder 130, and its outer diameter is consistent with the inner diameter of the first fixed cylinder 130, and its inner diameter is consistent with the outer diameter of the transmission shaft 241, and is fixed to the limiting plate 232 by bolts and nuts.

[0039] By disposing the limiting plate 232 in this embodiment, the sealing ring 231 can be limited by abutting against the limiting plate 232 due to gravity, thereby fixing the position of the sealing ring 231.

[0040] In this embodiment, one end of the transmission shaft 241 is transmission-connected to the output end of the reduction motor 140 , and the other end passes through the sealing ring 231 to the second fixed cylinder 120 .

[0041] By disposing the reduction motor 140 in this embodiment, the transmission shaft 241 can rotate at a lower speed compared to a common motor drive, thereby ensuring low-speed friction between the transmission shaft 241 and the sealing ring 231 .

[0042] In this embodiment, a partition plate 280 is fixed on the inner surface of one end of the second fixed cylinder 120 connected to the three-way pipe 100, the rotating shaft 260 is connected to the partition plate 280 through a bearing, one end extends to one side of the expansion bin 155 and is coaxially fixed to the driven gear 354, and the other end extends to the inside of the three-way pipe 100 and is connected to a connecting plate 473 by screws, and a crushing shaft 470 coaxial with the rotating shaft 260 is fixed on the other side of the connecting plate 473, and a plurality of blades 271 are provided and arranged in a circular array on the periphery of the crushing shaft 470, and a plurality of cutter discs 472 are also coaxially fixed to the crushing shaft 470.

[0043] By disposing the partition 280 in this embodiment, the amount of sewage in the three-way pipe 100 entering the second fixed cylinder 120 can be reduced, thereby ensuring the service life of the speed increasing assembly 250.

[0044] When the shearing assembly of the magnetic flocculation integrated device of this embodiment is used, the two horizontal ends of the three-way pipe 100 are installed at appropriate pipeline positions of the magnetic flocculation integrated device, located before the magnetic recovery assembly of the device. When the sewage with the magnetic seed sludge mixture enters the three-way pipe 100, the reduction motor 140 is started, and the reduction motor 140 drives the transmission shaft 241 to rotate at a low speed relative to the ordinary motor. The transmission shaft 241 drives the driving gear 351 to rotate, and the driving gear 351 drives the meshing first transmission gear 352 to rotate. The first transmission gear 352 drives the support shaft 356 and the second transmission gear 353 to rotate, and the second transmission gear 353 drives the meshing driven gear 354. Rotate, the driven gear 354 drives the rotating shaft 260, the crushing shaft 470, the plurality of blades 271 and the cutter disc 472 to rotate, so that the plurality of cutter discs 472 and the blades 271 crush and separate the magnetic seed sludge mixture in the three-way pipe 100, so as to facilitate the efficiency of subsequent magnetic recovery; since the tooth number ratio of the second transmission gear 353 and the driven gear 354 is: or even more, the transmission shaft 241 can rotate at a low speed while the rotating shaft 260 rotates at a relatively high speed compared to the prior art driven by an ordinary motor, thereby reducing the friction speed between the transmission shaft 241 and the sealing ring 231, reducing the heat generated by friction, and reducing the aging speed and replacement frequency of the sealing ring 231.

[0045] In short, the above is only a preferred embodiment of the present utility model, and all equivalent changes and modifications made according to the scope of the patent application of the present utility model should fall within the scope of the present utility model patent.

Claims

1. The shearing component of the magnetic flocculation integrated device is characterized by: The invention comprises a three-way pipe (100) and a sealing cylinder (110) which is connected to one end of the three-way pipe (100); a rotating shaft (260) for driving a blade (271) to rotate is provided inside the three-way pipe (100); a transmission shaft (241) for driving the rotating shaft (260) to rotate is provided at one end of the sealing cylinder (110) away from the three-way pipe (100); and a sealing ring (231) which is sleeved on the transmission shaft (241) is embedded in the sealing cylinder (110); A speed increasing assembly (250) is provided inside the sealing cylinder (110), and a speed reducing motor (140) is provided at the outer end thereof for driving the transmission shaft (241) to rotate; the speed increasing assembly (250) comprises a second transmission gear (353) cooperatively connected to the transmission shaft (241), and a driven gear (354) connected to the rotating shaft (260); The transmission shaft (241) and the second transmission gear (353) rotate synchronously, and the second transmission gear (353) meshes with the driven gear (354) with a gear ratio of n:1, wherein n>1.

2. The shearing assembly of the magnetic flocculation integrated device according to claim 1, characterized in that: The speed increasing assembly (250) further comprises an expansion chamber (155) connected to one side of the second fixed cylinder (120); an internal bearing of the expansion chamber (155) is connected to a support shaft (356) parallel to the rotating shaft (260); a second transmission gear (353) is coaxially fixed to the support shaft (356); a first transmission gear (352) parallel to the second transmission gear (353) is also fixed to the support shaft (356); the first transmission gear (352) is meshed with a driving gear (351) coaxially fixed to the end of the transmission shaft (241); the driving gear (351) and the first transmission gear (352) have the same number of teeth.

3. The shearing assembly of the magnetic flocculation integrated device according to claim 1, characterized in that: The sealing cylinder (110) comprises a first fixed cylinder (130) and a second fixed cylinder (120), and two ends of the second fixed cylinder (120) are coaxially fixed to the three-way pipe (100) and the first fixed cylinder (130) via flanges, respectively.

4. The shearing assembly of the magnetic flocculation integrated device according to claim 3, characterized in that: A limiting plate (232) is fixed to the inner surface of one end of the first fixed cylinder (130) facing the second fixed cylinder (120). The sealing ring (231) is embedded in the first fixed cylinder (130), has an outer diameter that matches the inner diameter of the first fixed cylinder (130), and has an inner diameter that matches the outer diameter of the transmission shaft (241), and is fixed to the limiting plate (232) by bolts and nuts.

5. The shearing assembly of the magnetic flocculation integrated device according to claim 1, characterized in that: One end of the transmission shaft (241) is transmission-connected to the output end of the reduction motor (140), and the other end passes through the sealing ring (231) to the inside of the second fixed cylinder (120).

6. The shearing assembly of the magnetic flocculation integrated device according to claim 3, characterized in that: A partition plate (280) is fixed on the inner surface of one end of the second fixed cylinder (120) connected to the three-way pipe (100); the rotating shaft (260) is connected to the partition plate (280) through a bearing; one end extends to one side of the expansion chamber (155) and is coaxially fixed to the driven gear (354); the other end extends into the three-way pipe (100) and is connected to a connecting plate (473) via screws; a crushing shaft (470) coaxial with the rotating shaft (260) is fixed on the other surface of the connecting plate (473); a plurality of blades (271) are provided and arranged in an annular array on the periphery of the crushing shaft (470); and a plurality of cutter discs (472) are coaxially fixed to the crushing shaft (470).

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