Light slag separator

Abstract

The utility model relates to the technical field of slurry treatment equipment, in particular to a light slag separator which comprises a separator shell, a rotor mechanism and a permanent magnet driving mechanism, a power shaft of the permanent magnet driving mechanism is connected with a rotor of a permanent magnet motor, and the permanent magnet driving mechanism is directly connected with the rotor mechanism through the power shaft and drives the rotor mechanism to rotate. Compared with the prior art, a belt and related transmission parts are omitted, the power transmission effect is good, the size and cost of the device are reduced, a machine sealing mechanism is arranged in the separator shell, slurry can be prevented from seeping to the permanent magnet driving mechanism in the using process of the device, and therefore the service life of the device is prolonged; the anti-rotation pin is arranged between the rotor body and the rotor seat of the rotor mechanism, so that the anti-shearing force of each rotor body is improved, and the strength of the rotor mechanism is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pulp processing equipment technical field, concretely relates to a light slag separator. BACKGROUND

[0002] The transmission structure of the existing light slag separator usually needs belt and belt pulley to link the motor and the light slag separator transmission main shaft, and the transmission main shaft also needs bearing and bearing chamber positioning structure, and the design needs two sets of bearing and bearing chamber positioning structure, and adjustable motor base is needed to be designed to ensure the belt torque and facilitate the belt tensioning. UTILITARY MODEL CONTENTS

[0003] The utility model solves the technical problem to provide a light slag separation equipment that compact structure, small and low in manufacturing cost.

[0004] In order to solve the above technical problem, the technical scheme that the utility model adopts is as follows: a light slag separator, including separator casing, rotor mechanism and permanent magnet driving mechanism, the permanent magnet driving mechanism includes drive casing, permanent magnet motor stator, permanent magnet motor rotor and power shaft, the inside of drive casing is arranged with a plurality of permanent magnet motor stators along the circumference, the permanent magnet motor rotor is arranged between each permanent magnet motor stator in drive casing, the output connecting hole is arranged on the permanent magnet motor rotor, the power shaft passes through the output connecting hole and is connected with the permanent magnet motor rotor, the bottom of the separator casing is provided with the first let hole, the drive casing is installed at the bottom of the separator casing, and the power shaft passes through the first let hole and extends into the separator casing, the rotor mechanism is arranged in the separator casing, and the rotor mechanism is connected with the power shaft and is driven to rotate by the permanent magnet driving mechanism. The power shaft is directly connected with the permanent magnet motor rotor and the rotor mechanism, and the transmission parts such as belt are omitted, not only the power transmission effect is good, but also the equipment volume is reduced and the cost is reduced.

[0005] As a preferred scheme, the both ends of the drive casing are provided with bearing chambers, and the power shaft is connected with the bearings of the two bearing chambers.

[0006] As a preferred scheme, an inner partition cover cylinder is arranged on the bottom plate of the separator shell, a region in the separator shell defined by the inner wall of the inner partition cover cylinder and the bottom plate of the separator shell forms a transmission space, and a first accommodating hole is arranged on the bottom plate of the separator shell corresponding to the transmission space; an outer partition cover cylinder is further arranged on the bottom plate of the separator shell outside the inner partition cover cylinder, a region in the separator shell defined by the outer wall of the inner partition cover cylinder, the inner wall of the outer partition cover cylinder and the bottom plate of the separator shell forms a pulp discharge space, the pulp discharge space is provided with a sieve plate, the sieve plate is connected with the inner partition cover cylinder and the outer partition cover cylinder and blocks the top end of the pulp discharge space, a pulp outlet is arranged on the bottom plate of the separator shell corresponding to the pulp discharge space, and a tailing port is arranged on the separator shell corresponding to the outside of the pulp discharge space.

[0007] As a preferred scheme, a mechanical seal mechanism is arranged in the separator shell, the mechanical seal mechanism comprises a mechanical seal seat, a mechanical seal rotating cylinder and a mechanical seal wear-resistant strip, the mechanical seal seat is arranged on the top of the inner partition cover cylinder, a second accommodating hole is arranged on the mechanical seal seat, the mechanical seal rotating cylinder passes through the second accommodating hole and is sleeved on the power shaft, the mechanical seal wear-resistant strip comprises an upper wear-resistant strip and a lower wear-resistant strip, the upper wear-resistant strip is sleeved on the outside of the mechanical seal rotating cylinder and connected with the mechanical seal rotating cylinder, the lower wear-resistant strip is sleeved on the outside of the mechanical seal rotating cylinder and connected with the mechanical seal seat, and the bottom of the upper wear-resistant strip and the top of the lower wear-resistant strip are in contact and fit. A rotor seat is further arranged on the power shaft, the bottom of the rotor seat is provided with an upper mechanical seal groove, the top end of the mechanical seal rotating cylinder extends into the upper mechanical seal groove and is in contact and fit with the groove wall of the upper mechanical seal groove. The mechanical seal mechanism separates the light residue separation cavity from the transmission space, while meeting the driving of the rotor mechanism by the magnetic driving mechanism, effectively reduces the impurities entering the transmission space, reduces the water leakage probability, and prolongs the service life of the magnetic driving mechanism.

[0008] As a preferred scheme, a lower mechanical seal groove is arranged on the mechanical seal seat, the lower wear-resistant strip is arranged in the lower mechanical seal groove and in contact and fit with the groove wall of the lower mechanical seal groove, a mechanical seal spring is arranged in the lower mechanical seal groove, the mechanical seal spring is connected with the bottom of the lower wear-resistant strip and the groove bottom of the lower mechanical seal groove and drives the lower wear-resistant strip to be in contact and fit with the upper wear-resistant strip. The lower wear-resistant strip can always be in contact and fit with the upper wear-resistant strip under the action of each mechanical seal spring.

[0009] As a preferred scheme, a mounting hole is arranged on the rotor seat, the power shaft penetrates into the mounting hole, the top of the rotor seat is provided with a rotor seat adjusting mechanism, the rotor seat adjusting mechanism comprises a gland, a gasket and a shaft head bolt piece, the gland is arranged on the top end of the power shaft and connected with the rotor seat, the gland is connected with the top end of the power shaft through a shaft head connecting piece, and the gasket is arranged between the gland and the power shaft. The rotor seat adjusting mechanism can adjust the height of the rotor seat, which is beneficial to adjusting the position state of the rotor mechanism.

[0010] As a preferred scheme, the shaft head connecting piece is a shaft head bolt, the cover is provided with a bolt hole, the shaft head bolt passes through the bolt hole and is connected with the top end of the power shaft, and the shaft head bolt is provided with a bolt locking piece between the shaft head and the cover.

[0011] As a preferred scheme, the rotor seat is provided with rotor installation positions, each rotor installation position is provided with a rotor mechanism, and the rotor mechanism comprises a rotor body which is detachably connected with the rotor seat.

[0012] As a preferred scheme, the rotor installation position is further provided with an anti-rotation pin, and the two ends of the anti-rotation pin are connected with the rotor seat and the rotor body respectively. The anti-rotation pin arranged between the rotor body and the rotor seat can effectively improve the shear resistance of the rotor body.

[0013] As a preferred scheme, the separator shell comprises a lower shell and an upper shell, the inner partition cover and the outer partition cover are arranged on the lower shell, and the upper shell is buckled on the lower shell and detachably connected with the lower shell.

[0014] Compared with the prior art, the light slag separator has the beneficial effects that: 1. The light slag separator directly driven by the permanent magnet driving mechanism, the transmission components such as the belt and the belt tensioning wheel are omitted, the number of parts is reduced, and the assembly difficulty is reduced; 2. The machine seal mechanism can isolate the pulp water in the device from the permanent magnet driving mechanism, so that the pulp water seepage to the permanent magnet driving mechanism is avoided, and the service life of the permanent magnet driving mechanism is affected; 3. In addition to normal installation, the anti-rotation pin is further arranged between the rotor body and the rotor seat of the rotor mechanism to connect and reinforce, so that the shear resistance of the rotor body is further improved, and the service life and the operation stability of the device are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] Figure 1 It is a structure schematic view of the light slag separator;

[0017] Figure 2 It is a structure schematic view of the machine seal mechanism in the light slag separator;

[0018] In the figure: 1, the separation machine shell, 11, the inner partition cover cylinder, 12, the outer partition cover cylinder, 13, the sieve plate, 14, the good pulp outlet, 15, the tailings port, 16, the rotor base, 2, the rotor mechanism, 3, the permanent magnet driving mechanism, 31, the driving shell, 32, the permanent magnet motor stator, 33, the permanent magnet motor rotor, 34, the power shaft, 4, the mechanical seal mechanism, 41, the mechanical seal base, 42, the mechanical seal rotating cylinder, 43, the mechanical seal wear-resistant strip, 5, the rotor base adjusting mechanism, 51, the gland, 52, the gasket, 53, the shaft head bolt piece, 54, the bolt locking piece. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. EMBODIMENT

[0020] The embodiment provides a light residue separation machine, please refer to Figure 1 and Figure 2 The light residue separation machine comprises a separation machine shell 1, a rotor mechanism 2 and a permanent magnet driving mechanism 3. The permanent magnet driving mechanism 3 comprises a driving shell 31, a permanent magnet motor stator 32, a permanent magnet motor rotor 33 and a power shaft 34. The driving shell 31 is internally provided with a plurality of permanent magnet motor stators 32 in the circumferential direction. The permanent magnet motor rotor 33 is arranged between each permanent magnet motor stator 32 in the driving shell 31. The permanent magnet motor rotor 33 is provided with an output connecting hole. The power shaft 34 passes through the output connecting hole and is connected with the permanent magnet motor rotor 33. The bottom of the separation machine shell 1 is provided with a first clearance hole. The driving shell 31 is installed at the bottom of the separation machine shell 1, and the power shaft 34 extends into the separation machine shell 1 through the first clearance hole. The rotor mechanism 2 is arranged in the separation machine shell 1. The rotor mechanism 2 is connected with the power shaft 34 and is driven to rotate by the permanent magnet driving mechanism 3.

[0021] Specifically, the light residue separation machine comprises a separation machine shell 1, a rotor mechanism 2 and a permanent magnet driving mechanism 3. The inside of the separation machine shell 1 is provided with a light residue separation cavity. The rotor mechanism 2 is arranged in the light residue separation cavity and is driven to rotate by the permanent magnet driving mechanism 3 installed on the separation machine shell 1.

[0022] The permanent magnetic driving mechanism 3 is essentially a new type of permanent magnetic motor, which comprises a driving shell 31, permanent magnetic motor stators 32, a permanent magnetic motor rotor 33 and a power shaft 34. The inner wall of the driving shell 31 is uniformly provided with a plurality of permanent magnetic motor stators 32 in the circumferential direction. The driving motor rotor is arranged between each permanent magnetic motor stator 32 in the driving shell 31. The permanent magnetic motor rotor 33 is provided with an output connecting hole, the axis of the output connecting hole coincides with the arrangement center axis of each permanent magnetic motor stator 32, the power shaft 34 passes through the output connecting hole and is connected with the permanent magnetic motor rotor 33. After the permanent magnetic driving mechanism 3 is powered on, the permanent magnetic motor rotor 33 and the power shaft 34 rotate. The end of the power shaft 34 extends to the outside of the driving shell 31 so that the permanent magnetic driving mechanism 3 can directly drive the rotor mechanism 2. The driving shell 31 is installed at the bottom of the separator shell 1. The bottom of the separator shell 1 is provided with a first accommodation hole corresponding to the power shaft 34. The power shaft 34 passes into the separator shell 1 through the first accommodation hole. The power shaft 34 is connected with the rotor mechanism 2. The power of the permanent magnetic driving mechanism 3 is directly transmitted to the rotor mechanism 2 through the power shaft 34.

[0023] In the light slag separator of the embodiment, the power shaft 34 of the permanent magnetic driving mechanism 3 is directly inserted into the separator shell 1 and connected with the rotor mechanism 2. The permanent magnetic driving mechanism 3 directly drives the rotor mechanism 2. The required bearing, bearing chamber structure, belt pulley transmission structure, belt tensioning mechanism and the like of the original light slag separator are omitted. The normal work of the light slag separator is ensured, and the number of parts and the difficulty of equipment assembly are reduced.

[0024] Please refer to Figure 1 and Figure 2 In some embodiments, in order to improve the working stability of the permanent magnetic driving mechanism 3, the two ends of the driving shell 31 are provided with bearing chambers, and the power shaft 34 is connected with the bearings of the two bearing chambers.

[0025] Specifically, the two ends of the driving shell 31 are provided with bearing chambers, and the two bearing chambers are in communication with the inside of the driving shell 31. The power shaft 34 is connected with the bearings of the two bearing chambers. The shaft body of the power shaft 34 located in the driving shell 31 passes through the output connecting hole of the permanent magnetic motor rotor 33 and is connected with the permanent magnetic motor rotor 33. The installation of the power shaft 34 mainly depends on the two bearing chambers and does not affect the assembly of the permanent magnetic motor rotor 33, thereby ensuring that the permanent magnetic driving mechanism 3 can operate efficiently and stably.

[0026] Please refer to Figure 1In some embodiments, the bottom plate of the separator shell 1 is provided with an inner partition cover cylinder 11, the area in the separator shell 1 defined by the inner wall of the inner partition cover cylinder 11 and the bottom plate of the separator shell 1 forms a transmission space, and the bottom plate of the separator shell 1 is provided with a first accommodation hole corresponding to the transmission space; the bottom plate of the separator shell 1 is further provided with an outer partition cover cylinder 12 outside the inner partition cover cylinder 11, the area in the separator shell 1 defined by the outer wall of the inner partition cover cylinder 11, the inner wall of the outer partition cover cylinder 12 and the bottom plate of the separator shell 1 forms a pulp discharge space, the pulp discharge space is provided with a sieve plate 13, the sieve plate 13 is connected with the inner partition cover cylinder 11 and the outer partition cover cylinder 12 and blocks the top end of the pulp discharge space, the bottom plate of the separator shell 1 is provided with a pulp outlet 14 corresponding to the pulp discharge space, and the separator shell 1 is provided with a tailings outlet 15 outside the pulp discharge space.

[0027] Specifically, the inner partition cover cylinder 11 is located inside the separator shell 1 and connected with the bottom plate of the separator shell 1, the area in the separator shell 1 defined by the inner wall of the inner partition cover cylinder 11 and the bottom plate of the separator shell 1 is the transmission space, the first accommodation hole is provided on the bottom plate of the separator shell 1, and the first accommodation hole communicates the transmission hole and the outside of the separator shell 1. The permanent magnet driving mechanism 3 is arranged below the separator shell 1, the driving shell 31 is connected with the bottom of the separator shell 1, the power shaft 34 is vertically arranged, the top end of the power shaft 34 penetrates the first accommodation hole and the transmission space, and is connected with the rotor mechanism 2 located above the transmission space. The top of the inner cover cylinder is further provided with a mechanical seal mechanism 4 to isolate the transmission space from the light sludge separation cavity in the separator shell 1, so as to avoid the water in the light sludge separation cavity from contacting the permanent magnet driving mechanism 3.

[0028] The outer partition cover cylinder 12 is arranged inside the separator shell 1 and connected with the bottom plate of the separator shell 1, the inner partition cover cylinder 11 is located inside the outer partition cover cylinder 12, the area in the separator shell 1 defined by the outer wall of the inner partition cover cylinder 11, the inner wall of the outer partition cover cylinder 12 and the bottom plate of the separator shell 1 forms a pulp discharge space, the bottom plate of the separator shell 1 is provided with a pulp outlet 14 corresponding to the pulp discharge space, and the pulp water in the pulp discharge space can be discharged from the pulp outlet 14. The sieve plate 13 is arranged between the inner partition cover cylinder 11 and the outer partition cover cylinder 12 and blocks the top of the pulp discharge space, a plurality of sieve holes are arranged on the sieve plate 13, the pulp water in the light sludge separation cavity penetrates the sieve holes of the sieve plate 13 and is finally discharged from the pulp outlet 14, the light sludge in the light sludge separation cavity is discharged from the light sludge outlet arranged at the top of the separator shell 1, and the tailings are discharged from the tailings outlet 15 outside the pulp discharge space at the bottom of the separator shell 1.

[0029] Please refer to Figure 1 and Figure 2In order to separate the light slag separation cavity from the transmission space while the permanent magnet driving mechanism 3 drives the rotor mechanism 2, in some embodiments, a mechanical seal mechanism 4 is arranged in the machine shell, the mechanical seal mechanism 4 comprises a mechanical seal seat 41, a mechanical seal rotating cylinder 42 and a mechanical seal wear-resistant strip 43, the mechanical seal seat 41 is arranged at the top of the inner partition cover cylinder 11, the mechanical seal seat 41 is provided with a second accommodating hole, the mechanical seal rotating cylinder 42 passes through the second accommodating hole and is sleeved on the power shaft 34, the mechanical seal wear-resistant strip 43 comprises an upper wear-resistant strip and a lower wear-resistant strip, the upper wear-resistant strip is sleeved on the outside of the mechanical seal rotating cylinder 42 and connected with the mechanical seal rotating cylinder 42, the lower wear-resistant strip is sleeved on the outside of the mechanical seal rotating cylinder 42 and connected with the mechanical seal seat 41, the bottom of the upper wear-resistant strip and the top of the lower wear-resistant strip are in contact and fit; the power shaft 34 is also provided with a rotor seat 16, the bottom of the rotor seat 16 is provided with an upper mechanical seal groove, the top end of the mechanical seal rotating cylinder 42 extends into the upper mechanical seal groove and is in contact and fit with the groove wall of the upper mechanical seal groove.

[0030] Specifically, the mechanical seal mechanism 4 is arranged at the top position of the inner partition cover cylinder 11, the mechanical seal mechanism 4 separates the transmission space in the inner partition cover cylinder 11 from the light slag separation cavity, the mechanical seal mechanism 4 comprises a mechanical seal seat 41, a mechanical seal rotating cylinder 42 and a mechanical seal wear-resistant strip 43. The mechanical seal seat 41 is arranged at the top end of the inner partition cover cylinder 11, the mechanical seal seat 41 is connected with the top end of the inner partition cover cylinder 11, the transmission space is located below the mechanical seal seat 41, the mechanical seal seat 41 is provided with a second accommodating hole, the power shaft 34 passes through the second accommodating hole. The mechanical seal rotating cylinder 42 is sleeved on the power shaft 34, the mechanical seal rotating cylinder 42 is connected with the power shaft 34 and rotates with the power shaft 34, the mechanical seal rotating cylinder 42 also passes through the second accommodating hole. The upper wear-resistant strip and the lower wear-resistant strip are both circular rings, the upper wear-resistant strip is sleeved on the outside of the mechanical seal rotating cylinder 42 and connected with the mechanical seal rotating cylinder 42, the lower wear-resistant strip is sleeved on the outside of the mechanical seal rotating cylinder 42 and connected with the mechanical seal seat 41, the upper wear-resistant strip and the lower wear-resistant strip are both located above the mechanical seal seat 41, the upper wear-resistant strip is located above the lower wear-resistant strip, the bottom of the upper wear-resistant strip is in contact and fit with the top of the lower wear-resistant strip, the upper wear-resistant strip and the lower wear-resistant strip are always in contact and friction when the mechanical seal rotating cylinder 42 rotates with the power shaft 34. The power shaft 34 is also provided with a rotor seat 16, the bottom of the rotor seat 16 is provided with an upper mechanical seal groove, the power shaft 34 penetrates into the upper mechanical seal groove and is connected with the rotor seat 16, the top end of the mechanical seal rotating cylinder 42 extends into the upper mechanical seal groove, the outer wall of the mechanical seal rotating cylinder 42 is in contact and fit with the groove wall of the upper mechanical seal groove, preferably, a sealing ring is arranged at the outer wall of the mechanical seal rotating cylinder 42 and the outer wall of the mechanical seal rotating cylinder 42 is in contact and fit with the groove wall of the upper mechanical seal groove through the sealing ring.

[0031] Please refer to Figure 2The rotor seat 16 and the machine seal seat 41, the rotor seat 16 and the machine seal rotating cylinder 42, and the machine seal rotating cylinder 42 and the hole wall of the second allowance hole all have gaps. Only when the three gaps are connected to form a channel, the light slag separation cavity can be connected with the transmission space. The upper wear-resistant strip and the lower wear-resistant strip are always in contact to prevent the three gaps from being completely connected, thereby avoiding the connection between the light slag separation cavity and the transmission space, and avoiding the slurry in the light slag separation cavity from entering the transmission space and affecting the permanent magnet driving mechanism 3.

[0032] Please refer to Figure 2 As a further embodiment, the machine seal seat 41 is provided with a lower machine seal groove, and the lower wear-resistant strip is arranged in the lower machine seal groove and in contact with the groove wall of the lower machine seal groove. The lower machine seal groove is provided with a machine seal spring, and the machine seal spring is connected with the bottom of the lower wear-resistant strip and the groove bottom of the lower machine seal groove, and drives the lower wear-resistant strip to contact with the upper wear-resistant strip.

[0033] Specifically, the machine seal seat 41 is provided with a lower machine seal groove, and the second allowance hole is arranged in the lower machine seal groove and the power shaft 34 passes through the lower machine seal groove. The lower wear-resistant strip is arranged in the lower machine seal groove and in contact with the groove wall of the lower machine seal groove. Preferably, the outer wall of the lower wear-resistant strip is provided with a sealing ring, and the lower wear-resistant strip is in contact with the groove wall of the lower machine seal groove through the sealing ring. The lower machine seal groove is provided with a machine seal spring, and the machine seal spring is preferably 3 or more and is distributed circumferentially around the power shaft 34. The bottom end of each machine seal spring is connected with the groove bottom of the lower machine seal groove, and the top end of each machine seal spring is connected with the bottom of the lower wear-resistant strip. Each machine seal spring cooperates to push the lower wear-resistant strip to the upper wear-resistant strip, and the top of the lower wear-resistant strip is always in contact with the bottom of the upper wear-resistant strip.

[0034] In some embodiments, each machine seal spring corresponds to a guide rod or the like, and each machine seal spring can only vertically expand and contract. Optionally, the lower wear-resistant strip is also provided with a mounting base. The bottom of the mounting base extends into the lower machine seal groove and is in contact with the groove bottom of the lower wear-resistant groove through the machine seal spring. The outer wall of the mounting base is in contact with the groove wall of the lower machine seal groove. The lower wear-resistant strip is fixedly arranged at the top of the mounting base, and the lower wear-resistant strip is tightly connected with the mounting base.

[0035] Please refer to Figure 1 and Figure 2 As a further embodiment, the rotor seat 16 is provided with a mounting hole, and the power shaft 34 penetrates into the mounting hole. The top of the rotor seat 16 is provided with a rotor seat adjusting mechanism, which includes a gland 51, a gasket 52, and a shaft head bolt 53. The gland 51 is arranged at the top end of the power shaft 34 and connected with the rotor seat 16. The gland 51 is connected with the top end of the power shaft 34 through a shaft head connecting piece. The gland 51 and the power shaft 34 are provided with a gasket 52 therebetween.

[0036] Specifically, the rotor base 16 is provided with a mounting hole arranged in the upper machine seal groove, a power shaft 34 passing through the mounting hole also passes through the upper machine seal groove, the top of the rotor base 16 is provided with a rotor base adjusting mechanism, the rotor base 16 is connected with the power shaft 34 through the rotor base adjusting mechanism, and the rotor base adjusting mechanism can adjust the position of the rotor base 16 in the axial direction of the power shaft 34, so as to adjust the size of the gap between the rotor base 16 and the machine seal base 41.

[0037] The rotor base adjusting mechanism comprises a gland 51, a gasket 52 and a shaft head bolt 53, the gland 51 is arranged at the top end of the power shaft 34, the gland 51 is connected with the top of the rotor base 16, the gland 51 is connected with the top end of the power shaft 34 through a shaft head connecting piece, the gasket 52 is arranged between the gland 51 and the end of the power shaft 34, and the thickness of the gasket 52 can be adjusted to adjust the distance between the gland 51 and the end of the power shaft 34, so as to realize the adjustment of the rotor base 16 in the axial direction of the power shaft 34, and the gasket 52 can be a gasket, which is low in price and easy to disassemble and replace.

[0038] As a specific example, the shaft head connecting piece is a shaft head bolt, the gland 51 is provided with a bolt hole, the shaft head bolt passes through the bolt hole and is connected with the top end of the power shaft 34, the shaft head bolt is provided with a bolt locking piece 54 between the shaft head and the gland 51, and the gland 51 is provided with a positioning hole matched with the bolt locking piece 54.

[0039] Specifically, the gland 51 is provided with a bolt hole, the end of the power shaft 34 is provided with a threaded hole, the shaft head connecting piece is a shaft head bolt, the shaft head connecting piece passes through the bolt hole on the gland 51 and is threadedly connected with the threaded hole of the end of the power shaft 34 to connect the gland 51 with the power shaft 34, in order to enable the gland 51 and the rotor base 16 to stably rotate with the power shaft 34, the shaft head bolt is provided with a bolt locking piece 54 between the shaft head and the gland 51, the bolt locking piece 54 is a bolt locking structure externally provided with a plurality of fins in the circumferential direction, the gland 51 is provided with a positioning hole corresponding to the bolt locking piece 54, part of the fins of the bolt locking piece 54 is bent into the positioning hole of the gland 51 before the shaft head bolt is tightened, and another part of the fins is reversely bent and wraps the end of the shaft head bolt after the shaft head bolt is tightened, so that the shaft head bolt can be effectively prevented from loosening, and the rotor base 16 can be stably connected with the power shaft 34.

[0040] The rotor seat 16 is provided with a rotor installation position, each rotor installation position is provided with a rotor mechanism 2, the rotor mechanism 2 includes a rotor body, and the rotor body is detachably connected with the rotor seat 16.Each rotor installation position takes the axis of the installation hole as a central axis and is distributed in a circumferential direction, each rotor installation position is provided with the rotor mechanism 2, the rotor body of the rotor mechanism 2 is detachably connected with the rotor seat through bolts and the like, and the lower edge of each rotor body is located above the sieve plate 13.The permanent magnet driving mechanism 3 drives the rotor seat 16 to rotate and further drives each rotor mechanism 2 to rotate around the power shaft 34, and the rotor seat adjusting mechanism can adjust the distance between each rotor body and the sieve plate 13 by adjusting the height of the rotor seat 16 along the power shaft 34, so as to adjust the screening effect on the pulp water.

[0041] Since the power shaft 34 drives each rotor mechanism 2 to rotate through the rotor seat 16, the rotor body of each rotor mechanism 2 is generally connected with the rotor seat 16 by bolts, the shear resistance of the bolts is poor, and the required torque of the rotor body is large, in order to prevent the bolts from being broken, as a further embodiment, an anti-rotation pin is further arranged at the rotor installation position, the two ends of the anti-rotation pin are connected with the rotor seat 16 and the rotor body respectively, the anti-rotation pin is arranged along the tangential direction of the rotation of the rotor seat 16, and the breaking of the bolts connected with the rotor body is avoided.

[0042] Please refer to Figure 1 In some embodiments, the separator housing 1 includes a lower housing and an upper housing, the inner partition cover cylinder 11 and the outer partition cylinder are arranged on the lower housing, the first accommodation hole, the good pulp outlet 14 and the tailings outlet 15 are arranged on the lower housing, the upper housing is buckled on the lower housing and is detachably connected with the lower housing, and the top of the upper housing is provided with a light residue outlet.

[0043] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0044] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A light dreg separator characterized by: The application relates to a centrifugal separator, which comprises a centrifugal separator shell (1), a rotor mechanism (2) and a permanent magnet driving mechanism (3), wherein the permanent magnet driving mechanism (3) comprises a driving shell (31), permanent magnet motor stators (32), permanent magnet motor rotors (33) and a power shaft (34), the driving shell (31) is internally provided with a plurality of permanent magnet motor stators (32) in a circumferential direction, the driving shell (31) is internally provided with permanent magnet motor rotors (33) between the permanent magnet motor stators (32), the permanent magnet motor rotors (33) are provided with output connecting holes, the power shaft (34) penetrates the output connecting holes and is connected with the permanent magnet motor rotors (33), the centrifugal separator shell (1) is provided with a first accommodating hole at the bottom, the driving shell (31) is installed at the bottom of the centrifugal separator shell (1) and the power shaft (34) extends into the centrifugal separator shell (1) through the first accommodating hole, the rotor mechanism (2) is arranged in the centrifugal separator shell (1) and is connected with the power shaft (34) and driven to rotate by the permanent magnet driving mechanism (3).

2. A light-liquor separator according to claim 1, characterized in that: Both ends of the driving shell (31) are provided with bearing chambers, and the power shaft (34) is connected with the bearings of the two bearing chambers.

3. A light-liquor separator according to claim 1, characterized in that: The bottom plate of the centrifugal separator shell (1) is provided with an inner separation cover cylinder (11), a transmission space is formed in the centrifugal separator shell (1) by the inner wall of the inner separation cover cylinder (11) and the bottom plate of the centrifugal separator shell (1), and the centrifugal separator shell (1) is provided with a first accommodating hole at the bottom plate corresponding to the transmission space; the bottom plate of the centrifugal separator shell (1) is further provided with an outer separation cover cylinder (12) outside the inner separation cover cylinder (11), a pulp discharge space is formed in the centrifugal separator shell (1) by the outer wall of the inner separation cover cylinder (11), the inner wall of the outer separation cover cylinder (12) and the bottom plate of the centrifugal separator shell (1), the pulp discharge space is provided with a sieve plate (13), the sieve plate (13) is connected with the inner separation cover cylinder (11) and the outer separation cover cylinder (12) and blocks the top end of the pulp discharge space, the centrifugal separator shell (1) is provided with a pulp outlet (14) at the bottom plate corresponding to the pulp discharge space, and the centrifugal separator shell (1) is provided with a tailing outlet (15) outside the pulp discharge space.

4. A light-liquor separator according to claim 3, characterised in that: The centrifugal separator shell (1) is provided with a mechanical seal mechanism (4), the mechanical seal mechanism (4) comprises a mechanical seal seat (41), a mechanical seal rotating cylinder (42) and a mechanical seal wear-resistant strip (43), the mechanical seal seat (41) is arranged at the top of the inner separation cover cylinder (11), the mechanical seal seat (41) is provided with a second accommodating hole, the mechanical seal rotating cylinder (42) penetrates the second accommodating hole and is sleeved on the power shaft (34), the mechanical seal wear-resistant strip (43) comprises an upper wear-resistant strip and a lower wear-resistant strip, the upper wear-resistant strip is sleeved outside the mechanical seal rotating cylinder (42) and connected with the mechanical seal rotating cylinder (42), the lower wear-resistant strip is sleeved outside the mechanical seal rotating cylinder (42) and connected with the mechanical seal seat (41), the bottom of the upper wear-resistant strip and the top of the lower wear-resistant strip are in contact and cooperation; the power shaft (34) is further provided with a rotor seat (16), the bottom of the rotor seat (16) is provided with an upper mechanical seal groove, the top end of the mechanical seal rotating cylinder (42) extends into the upper mechanical seal groove and is in contact and cooperation with the groove wall of the upper mechanical seal groove.

5. A light-liquor separator according to claim 4, characterised in that: The lower machine seal groove is arranged on the machine seal seat (41), the lower wear-resistant strip is arranged in the lower machine seal groove and is in contact with the groove wall of the lower machine seal groove, the machine seal spring is arranged in the lower machine seal groove, and the bottom of the lower wear-resistant strip and the groove bottom of the lower machine seal groove are connected and the lower wear-resistant strip is driven to be in contact with the upper wear-resistant strip.

6. A light-liquor separator according to claim 4, characterized in that: The rotor seat (16) is provided with a mounting hole, the power shaft (34) penetrates into the mounting hole, the top of the rotor seat (16) is provided with a rotor seat adjusting mechanism (5), the rotor seat adjusting mechanism (5) comprises a gland (51), a gasket (52) and a shaft head bolt (53), the gland (51) is arranged at the top end of the power shaft (34) and is connected with the rotor seat (16), the gland (51) is connected with the top end of the power shaft (34) through the shaft head connecting piece, and the gasket (52) is arranged between the gland (51) and the power shaft (34).

7. A light-liquor separator according to claim 6, characterised in that: The shaft head connecting piece is a shaft head bolt, the gland (51) is provided with a bolt hole, the shaft head bolt penetrates through the bolt hole and is connected with the top end of the power shaft (34), the shaft head bolt is provided with a bolt locking piece (54) between the shaft head and the gland (51), and the gland (51) is provided with a positioning hole matched with the bolt locking piece (54).

8. A light-liquor separator according to claim 6, characterized in that: The rotor seat (16) is provided with a rotor mounting position, each rotor mounting position is provided with a rotor mechanism (2), and the rotor mechanism (2) comprises a rotor body and is detachably connected with the rotor seat (16).

9. A light-liquor separator according to claim 8, characterised in that: The rotor mounting position is also provided with an anti-rotation pin, and the two ends of the anti-rotation pin are connected with the rotor seat (16) and the rotor body respectively.

10. A light-liquor separator according to claim 8, characterized in that: The separator shell body (1) comprises a lower shell and an upper shell, the inner partition cover cylinder (11) and the outer partition cylinder are arranged on the lower shell, and the upper shell is buckled on the lower shell and is detachably connected with the lower shell.

Images