CN209652121U - A kind of dewaterer that rimless low-speed big permanent magnet synchronous motor directly drives - Google Patents

Abstract

The utility model discloses a kind of dewaterer that rimless low-speed big permanent magnet synchronous motor directly drives, including main body, material feeding box and feed box, the main body is equipped with concentrating part and de-watering section, the main body axis is equipped with a rotary shaft, folded sea whelk is installed in the rotary shaft, the screw pitch of the folded sea whelk gradually becomes smaller from concentrating part to de-watering section, the end of the rotary shaft is equipped with rimless low-speed big permanent magnet synchronous motor and the rotary shaft and folded sea whelk rotate about the axis, motor includes rotor assembly and stator module, the rotor assembly includes mover and permanent magnet, the mover is set in the rotary shaft；Stator module is oppositely arranged with rotor assembly, and the stator module includes stator core and stator winding；The stator core is integrated the circular column or annular disk of machine-shaping, and the utility model is by the direct driven at low speed dewaterer of the motor, to achieve the purpose that transmission efficiency height, low noise, torque are big, easy to maintain.

Description

A kind of dewaterer that rimless low-speed big permanent magnet synchronous motor directly drives

Technical field

The utility model relates to dewaterer technical fields, and in particular to arrive a kind of rimless low-speed big permanent magnet synchronous motor The sludge dewatering equipment directly driven.

Background technique

In the industries such as municipal works, chemical industry, pharmacy, sludge can be generated during the manufacturing, without fine place After the sludge of reason disposition enters environment, it will secondary pollution is brought directly to water body, soil and atmosphere, to ecological environment and the mankind Activity constitute serious threat, therefore, sludge is very important in processing.A kind of folded spiral shell formula sludge dewatering is commonly used at present Machine handles sludge, and Stacked sludge dewatering machine belongs to spiral pressing dehydrator, it is possible to reduce sedimentation basin and sludge condensation Sewage plant construction cost is saved in pond.Stacked sludge dewatering machine cleans filtering technique instead of tradition with multiple ring plate automatically Screen filtering, itself cleaning filtering technique ensure the mud-water separation effect of dewaterer continuous-stable, pass through screw diameter and screw pitch Change the micro gap between the powerful extruding force generated, and travelling ring and fixed ring, realizes and extrusion dehydration is carried out to sludge.

Such as Chinese (CN201520104686.9) discloses a kind of integral type spiral sludge dewatering machine, including inside is divided into The cabinet of upper storehouse and lower storehouse, top of the box are equipped with hybrid electric motor, and hybrid system and chemical feed pipe are provided in the upper storehouse, described Folded breechblock and filtrate receiver are provided in lower storehouse, the folded breechblock is mounted on filtrate receiver, and the upper storehouse passes through enters mud pipe and folded spiral shell The input terminal of body is connected, and the folded breechblock folds breechblock output end and stretch out cabinet setting, driven by motor in the tilted setting in lower storehouse Fold breechblock realizes the dehydration to sludge.Though the dewaterer structure is simplifying to a certain degree, its transmission device further includes more A motor and attachment device, electronic, transmission device construct more, installation complexity, influence transmission efficiency, reduction dehydration efficiency.

In addition in the prior art, driving power source mainly uses the main driving of double-speed motor and hydraulic motor Assisted Combinatorial Driving method or variable-frequency motor driving method, the main driving of the double-speed motor and the driving method of hydraulic motor Assisted Combinatorial have Following disadvantage: 1, it is unable to that large torque cannot be provided when continuous speed adjustment, low speed operation；2, structure is complicated, place bad adaptability；3, it passes Efficiency of movement is low, and high failure rate influences dewatering speed；4, the problems such as hydraulic motor and motor cannot drive simultaneously；5, response speed Slowly, energy consumption is high.

Summary of the invention

The purpose of this utility model is in view of the problems of the existing technology, it is same to provide a kind of rimless low-speed big permanent magnetism Walk the sludge dewatering equipment of electric-machine directly-driven.

In order to achieve the above purposes, the technical solution adopted by the utility model is:

A kind of dewaterer that rimless low-speed big permanent magnet synchronous motor directly drives, including main body, the main body both ends into Hopper and feed box, the main body are equipped with concentrating part close to material feeding box one end, and the main body is equipped with dehydration close to feed box one end Portion, the main body axis are equipped with a rotary shaft and through the main body and the material feeding box and feed box, the rotary shafts On folded sea whelk is installed, the screw pitch of the folded sea whelk gradually becomes smaller from concentrating part to de-watering section, and the end of the rotary shaft is equipped with Rimless low-speed big permanent magnet synchronous motor, the rimless low-speed big permanent magnet synchronous motor drive the rotary shaft and folded spiral shell Piece rotates about the axis, and the rimless low-speed big permanent magnet synchronous motor includes rotor assembly and stator module, the rotor set The permanent magnet that part includes mover and is evenly arranged on mover around the axis, the mover are set in the rotary shaft； The stator module is oppositely arranged with the rotor assembly, and the stator module includes stator core and is wrapped in the stator Stator winding on iron core；The stator core is integrated the circular column or annular disk of machine-shaping.When permanent magnet synchronous motor is logical After electricity, the magnetic force rotated around axis direction can be generated, can be rotated with driven at low speed rotor assembly, is mentioned for the folded sea whelk in rotary shaft For biggish torque, extruding concentration is carried out to sludge in concentrating part, de-watering section is further dehydrated sludge.Stator core is integrated Machine-shaping, the installation and maintenance for motor of being more convenient for further decrease the assembly difficulty of equipment.

Further, the rotor assembly is arranged at the material feeding box front or feed box rear portion.

Specifically, the stator module further includes having stator base；The stator core is fixedly installed in the stator base On seat；The permanent magnet is distributed in lateral wall and/or the end face of the mover；The stator base is set in the rotor assembly Outside；The stator core is placed in the inner sidewall of the stator base, setting corresponding with the permanent magnet.By stator winding and The cooperation of permanent magnet radially and/or axially provides biggish turning moment to the cylinder in rotary shaft, drives rotary shaft and fold Sea whelk rotation, so that dewaterer be driven to work.

Specifically, being equipped with fixed ring and travelling ring, the fixed ring and the trip between the folded sea whelk and the main body Rotating ring is layered on top of each other and is looped around the folded sea whelk and rotary shaft periphery；The filter formed between the fixed ring and the travelling ring Seam gradually becomes smaller from concentrating part to de-watering section.The travelling ring diameter is greater than the fixed ring diameter, and the rotary shaft rotation is driven The travelling ring is moved in fixed interannular wander up and down.After electrical power, the rotation for folding sea whelk drives travelling ring wander up and down, clearly The sludge in gap is managed out, to reach self-cleaning purpose.

Further, it is equipped with back pressure plate close to the one side of de-watering section in the feed box, back pressure plate provides pressure to sludge It is dehydrated, there are mud extraction gaps between the back pressure plate and the rotary shaft and discharging tank wall.

Further, expansion sleeve is provided between the rotary shaft and the mover.

Further, the main body is cylindrical shape, uniformly offers several rectangular windows on the surface of the main body； The top of the material feeding box is equipped with feed inlet, and the lower part of the feed box is equipped with discharge port.

Compared with prior art, the utility model has the beneficial effects that 1, using rimless low-speed big permanent magnet synchronous electric The dewaterer that machine directly drives can flexibly adjust motor speed, be dehydrated with providing low-speed big to sludge；2, using forever Magnetic-synchro motor direct-drive dewaterer, it is possible to reduce existing equipment gear, reduction gearbox, friction pulley etc. drive intermediate link, letter Change driving method and structure, improves drive efficiency, realize the quick response of dewaterer；3, rimless low-speed big permanent magnet synchronous electric Both ends are arranged outside rotary shaft in machine, and space occupied is small, and easy for installation, easy to repair, result of ventilating heat dissipation is good；4, using nothing The dewaterer failure of frame low-speed big permanent magnet synchronous motor is few, noise is small, can not shut down dehydration continuously；5, what is be rationally arranged consolidates Determine ring and travelling ring, filter seam blocking can be prevented, has the function of that self is cleaned.

Detailed description of the invention

Fig. 1 is that a kind of structure for the dewaterer that Frameless low-speed big permanent magnet synchronous motor directly drives of the utility model is shown It is intended to；

Fig. 2 is enlarged diagram at A in Fig. 1；

Fig. 3 is a kind of structural schematic diagram of the utility model stator core；

Fig. 4 is another structural schematic diagram of the utility model stator core；

Fig. 5 is the structure for the dewaterer that the utility model another kind Frameless low-speed big permanent magnet synchronous motor directly drives Schematic diagram；

In figure: 1- main body, 2- material feeding box, 3- feed box, 4- concentrating part, 5- de-watering section, 6- rotary shaft, 7- fold sea whelk, 8- Motor, 9- fixed ring, 10- travelling ring, 11- rotor assembly, 1101- mover, 1102- permanent magnet, 12- stator module, 1201- Stator core, 1202- stator base, 13- back pressure plate, 14- expansion sleeve, 15- feed inlet, 16- discharge port.

Specific embodiment

Below in conjunction with the attached drawing in the utility model, the technical solution of the utility model is clearly and completely retouched It states, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on this Embodiment in utility model, those of ordinary skill in the art under the conditions of not making creative work it is obtained it is all its Its embodiment, fall within the protection scope of the utility model.

As shown, a kind of dewaterer that rimless low-speed big permanent magnet synchronous motor directly drives, including main body 1, the master The material feeding box 2 and feed box 3 at 1 both ends of body, the main body 1 are equipped with concentrating part 4 close to 2 one end of material feeding box, and the main body 1 is close to out 3 one end of hopper is equipped with de-watering section 5, and 1 axis of main body is equipped with a rotary shaft 6 and runs through the main body 1 and the charging Case 2 and feed box 3, are equipped with folded sea whelk 7 in the rotary shaft 6, the screw pitch of the folded sea whelk 7 from concentrating part 4 to de-watering section 5 by Gradual change is small, and the end of the rotary shaft 6 is equipped with rimless low-speed big permanent magnet synchronous motor 8, and the rimless low-speed big is forever Magnetic-synchro motor 8 drives the rotary shaft 6 and folded sea whelk 7 to rotate about the axis, the rimless low-speed big permanent magnet synchronous motor 8 Including rotor assembly 11 and stator module 12, the rotor assembly 11 includes mover 1101 and is evenly arranged around the axis Permanent magnet 1102 on mover, the mover 1101 are set in the rotary shaft 6；The stator module 12 and the rotor Component 11 is oppositely arranged, and the stator module 12 includes that stator core 1201 and being wrapped on the stator core 1201 is determined Sub- winding；The stator core 1201 is integrated the circular column or annular disk of machine-shaping.

Preferably, it is connected between the rotary shaft 6 and the mover 1101 by expansion sleeve；It is close in the feed box 3 The one side of de-watering section 5 is equipped with back pressure plate 13, and there are mud extractions between 3 tank wall of the back pressure plate 13 and the rotary shaft 6 and feed box Gap.

Further, the main body 1 is cylindrical shape, uniformly offers several rectangle windows on the surface of the main body 1 Mouthful；The top of the material feeding box 2 is equipped with feed inlet 15, and the lower part of the feed box 3 is equipped with discharge port 16

Further, the rotor assembly 11 is arranged at 2 front of material feeding box or 3 rear portion of feed box.

Further, lateral surface and/or the end face of the rotor assembly 11 is arranged in the stator module 12.

It in the actual production process, can be by the rimless low-speed big permanent magnet synchronous motor according to the requirement in place The main body of the dewaterer directly driven is arranged to horizontal or inclined.Using horizontally disposed dewaterer as specifically in the utility model Embodiment, is specifically described the arrangement of stator module 12 and rotor assembly 11 and motor 8 below, when use can be used with Under the permanent magnet synchronous motors of several arrangements directly to drive centrifugal ore separator.

Embodiment one

As shown in Figure 1-Figure 3, the rotation at 3 rear portion of feed box is arranged in the rimless low-speed big permanent magnet synchronous motor 8 On axis 6, the stator module 12 further includes having stator base 1202；The stator core 1201 is fixedly installed in the stator On pedestal 1202, it is corresponding be mounted on the 3 rear portion tank wall of feed box in stator base one end of 1101 lateral surface of mover, The corresponding stator base on 1101 end face of mover is bolted in the other end；Structure is simultaneously in a ring for the mover 1101 It is set in the rotary shaft 6；The permanent magnet 1102 is distributed on the lateral wall and end face of the mover 11-1；The stator Pedestal 1202 rod structure and is set on the lateral surface and end face of the rotor assembly 11 in a ring；

The stator core 1201 is placed in the inner sidewall of the stator base 1202, and the stator core 1201 is integrated into The circular column of type is oppositely arranged with the permanent magnet 1102.

After permanent magnet synchronous motor is powered, the magnetic force rotated around axis direction can be generated, it can direct driven at low speed rotor Component 11 rotates, and provides biggish torque for the folded sea whelk 7 in rotary shaft 6, carries out extruding concentration, In to sludge in concentrating part 4 De-watering section 5 is further dehydrated sludge.

Embodiment two

As shown in Figure 1, Figure 2 and Figure 4,3 rear portion of feed box is arranged in the rimless low-speed big permanent magnet synchronous motor 8 In rotary shaft 6, the stator module 12 further includes having stator base 1202；It is described fixed that the stator core 1201 is fixedly installed in It is corresponding to be mounted on the 3 rear portion tank wall of feed box in stator base one end of 1101 lateral surface of mover in sub-base 1202 The corresponding stator base on 1101 end face of mover is bolted in the upper, other end；The mover 1101 is tied in a ring Structure is simultaneously set in the rotary shaft 6；The permanent magnet 1102 is distributed on the lateral wall and end face of the mover 11-1；It is described Stator base 1202 rod structure and is set on the lateral surface and end face of the rotor assembly 11 in a ring；

The stator core 1201 is placed in the inner sidewall of the stator base 1202, and the stator core 1201 is integrated into The annular disk of type is oppositely arranged with the permanent magnet 1102.

After permanent magnet synchronous motor is powered, the mover 1101 provides for the stator core 1201 to be rotated in an axial direction Magnetic field, promoting the stator module 12 and rotor assembly 11 is that the rotary shaft 6 and folded sea whelk 7 are provided around the rotary shaft 6 The torque of axial line rotation directly drives sludge dewatering equipment and carries out dewatering work

Embodiment three

As shown in figure 5, the rotary shaft 6 of 2 front of material feeding box is arranged in the rimless low-speed big permanent magnet synchronous motor 8 On, the stator module 12 further includes having stator base 1202；The stator core 1201 is fixedly installed in the stator base It is corresponding to be mounted on the 2 front tank wall of material feeding box in stator base one end of 1101 lateral surface of mover, is another on 1202 The corresponding stator base on 1101 end face of mover is bolted in end；The mover 1101 rod structure in a ring；Institute Permanent magnet 1102 is stated to be distributed on the lateral wall and end face of the mover 11-1；Rod structure is simultaneously in a ring for the stator base 1202 It is set on the lateral surface and end face of the rotor assembly 11；

The stator core 1201 is placed in the inner sidewall of the stator base 1202, and the stator core 1201 is integrated into The circular column of type is oppositely arranged with the permanent magnet 1102.

After permanent magnet synchronous motor is powered, the magnetic force rotated around axis direction can be generated, it can direct driven at low speed rotor Component 11 rotates, and provides biggish torque for the folded sea whelk 7 in rotary shaft 6, carries out extruding concentration, In to sludge in concentrating part 4 De-watering section 5 is further dehydrated sludge.

Example IV

According to the actual needs, the stator base only can be set on 1101 lateral surface of mover；Or only in institute It states and the stator base is set on the end face of mover 1101；Other settings are consistent with example one or two or three.

Embodiment five

In the present embodiment, the rotor assembly 11 of the rimless low-speed big permanent magnet synchronous motor and the cloth of stator module 12 Set and with it is consistent in embodiment one or two or three, the difference is that, be equipped with and fix between the folded sea whelk 7 and the main body 1 Ring 9 and travelling ring 10, the fixed ring 9 and the travelling ring 10 are layered on top of each other and are looped around outside the folded sea whelk 7 and rotary shaft 6 It encloses；The filter seam formed between the fixed ring 9 and the travelling ring 10 gradually becomes smaller from concentrating part 4 to de-watering section 5.The travelling The diameter of ring 10 is greater than the diameter of the fixed ring 9, the rotary shaft 6 rotation drive the travelling ring 10 between fixed ring 9 on Lower travelling.After electrical power, the rotation of rotary shaft 6 and folded sea whelk 7 drives travelling 10 wander up and down of ring, cleans out in gap Sludge, to reach self-cleaning purpose.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (9)

1. a kind of dewaterer that rimless low-speed big permanent magnet synchronous motor directly drives, the charging including main body, the main body both ends Case and feed box, which is characterized in that the main body is equipped with concentrating part close to material feeding box one end, and the main body is close to feed box one end Equipped with de-watering section, the main body axis is equipped with a rotary shaft and through the main body and the material feeding box and feed box, institute It states and folded sea whelk is installed in rotary shaft, the screw pitch of the folded sea whelk gradually becomes smaller from concentrating part to de-watering section, the rotary shaft End is equipped with rimless low-speed big permanent magnet synchronous motor, and the rimless low-speed big permanent magnet synchronous motor drives the rotation Axis and folded sea whelk rotate about the axis, and the rimless low-speed big permanent magnet synchronous motor includes rotor assembly and stator module, institute The permanent magnet that rotor assembly includes mover and is evenly arranged on mover around the axis is stated, the mover is set in the rotation In shaft；The stator module is oppositely arranged with the rotor assembly, and the stator module includes stator core and is wrapped in Stator winding on the stator core；The stator core is integrated the circular column or annular disk of machine-shaping.

2. the dewaterer that rimless low-speed big permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that institute Rotor assembly is stated to be arranged at the material feeding box front or feed box rear portion.

3. the dewaterer that rimless low-speed big permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that institute Stating stator module further includes having stator base；The stator core is fixedly installed in the stator base；The permanent magnet is equal It is distributed in lateral wall and/or the end face of the mover；The stator base is set in outside the rotor assembly；The stator core is set In the inner sidewall of the stator base, setting corresponding with the permanent magnet.

4. the dewaterer that rimless low-speed big permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that institute It states and is equipped with fixed ring and travelling ring between folded sea whelk and the main body, the fixed ring and the travelling ring are layered on top of each other and surround In the folded sea whelk and rotary shaft periphery；The filter formed between the fixed ring and the travelling ring is stitched from concentrating part to de-watering section It gradually becomes smaller.

5. the dewaterer that rimless low-speed big permanent magnet synchronous motor according to claim 4 directly drives, which is characterized in that institute It states travelling ring diameter and is greater than the fixed ring diameter, the rotary shaft rotation drives the travelling ring in fixed interannular upstream and downstream It is dynamic.

6. the dewaterer that rimless low-speed big permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that institute State in feed box close to de-watering section one side be equipped with back pressure plate, the back pressure plate and the rotary shaft and discharging tank wall between there are Mud extraction gap.

7. the dewaterer that rimless low-speed big permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that institute It states and is provided with expansion sleeve between rotary shaft and the mover.

8. the dewaterer that rimless low-speed big permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that institute Main body is stated as cylindrical shape, uniformly offers several rectangular windows on the surface of the main body.

9. the dewaterer that rimless low-speed big permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that institute The top for stating material feeding box is equipped with feed inlet, and the lower part of the feed box is equipped with discharge port.