CN112121695A - Novel mixing driving system of steel sintering drum mixer - Google Patents
Novel mixing driving system of steel sintering drum mixer Download PDFInfo
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- CN112121695A CN112121695A CN202011068841.8A CN202011068841A CN112121695A CN 112121695 A CN112121695 A CN 112121695A CN 202011068841 A CN202011068841 A CN 202011068841A CN 112121695 A CN112121695 A CN 112121695A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/60—Mixers with rotating receptacles rotating about a horizontal or inclined axis, e.g. drum mixers
- B01F29/64—Mixers with rotating receptacles rotating about a horizontal or inclined axis, e.g. drum mixers with stirring devices moving in relation to the receptacle, e.g. rotating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention discloses a novel mixing driving system of a steel sintering cylinder mixer, which consists of an annular motor rotor assembly, a mixer cylinder, an annular motor stator assembly, a sealing cover shell, a driving base and a fastener, wherein the annular motor rotor assembly comprises a permanent magnet, a rotating shaft, a permanent magnet fixing frame and a cylinder connecting support; the annular motor stator assembly comprises a motor coil, a stator core and a motor shell support, the motor coil is uniformly and symmetrically embedded on the stator core in a winding mode, and the annular motor stator assembly, the annular motor rotor assembly and the mixer barrel are concentrically arranged and keep a fixed gap. The invention has the advantages of simple structure, energy saving, high efficiency, maintenance free and easy installation by designing a new transmission form.
Description
Technical Field
The invention relates to the technical field of mixing machines, in particular to a driving system of a cylindrical mixing machine in a steel sintering system.
Background
At present, along with the gradual depletion of energy and the gradual worsening of environmental pollution, the problems of high efficiency, energy conservation and environmental protection are more and more emphasized by the public. Energy conservation and emission reduction become one of the important contents of governments in China and even all the countries in the world. The drum mixes the machine and is the essential equipment of steel sintering system, plays important role in the iron-smelting, and its main function is with material mixing and moist, mixes the rotation that the machine passes through the barrel, and the material is the heliciform motion in the barrel, makes the mixture form "roll and fall" form at the in-process of motion to accomplish the mixture, the mixing of material. The cylinder mixer works in a heavy mode, the annual working time is more than 330 days, the power consumption of equipment is generally 300KWH-1800KWH according to the specification and the size of the mixer, and the cylinder mixer belongs to high-energy-consumption equipment.
At present, a driving system of a cylinder mixer mainly comprises three transmission modes, namely a rubber wheel transmission mode, a gear transmission mode and a hydraulic motor transmission mode. Yanshan university has applied for patent "hydraulic motor rubber tyer supporting cylinder mixes machine" (CN2010201145804), and the barrel of cylinder mixes machine is driven by the rubber tyer drive group that is located its one side or both sides radial symmetry position setting respectively, and the driving spindle is installed in the axle hole of the self-aligning bearing of first bearing frame and support, and the driving spindle installs 1 ~ 3 first group rubber tyer, and the output shaft of first hydraulic motor passes through the shaft coupling and is linked with the driving spindle. But the rubber wheel transmission form is applied to a small mixer with the diameter not more than 3.2m, and the rubber wheel transmission efficiency is unstable, the yield is low, and the rubber wheel transmission form is gradually eliminated from a sintering system.
Chinese patent "a driving device of a drum mixer and a drum mixer having the same" (CN2012200559500), the driving device includes a driving mechanism, a pinion, a large gear installed on a drum body which is not tilted in the drum mixer, and a catch wheel for balancing a sliding force of the drum body, and the large gear and the pinion are helical gears which are engaged with each other. Chinese patent 'transmission device containing gear box for mixing machine' (CN2009100100846), the bull gear and pinion gear of drum mixer mesh, the pinion gear and gear box output shaft are connected, assemble the hydraulic cylinder servo system in the gear box side, the bull gear, the pinion gear that the drum mixer driven are installed in the closed box. At present, the gear transmission form is the most widely used driving form, adopts the structural mode of a main motor, a coupler, a main gear box, a coupler, a large gear, a small gear and a roller, and is provided with an auxiliary motor and an auxiliary gear box simultaneously, so that the transmission is stable and the output is uniform. But the defects are also obvious, and the defects of complex structure, high requirement on ground foundation, high energy consumption, more fault points, inconvenient maintenance, oil pollution and the like exist. The hydraulic motor transmission form simplifies the gear transmission form, adopts the form of the hydraulic motor, the big and small open gears and the roller, but does not basically use the scheme in domestic steel works because of high manufacturing cost and high maintenance cost in later period.
From the above analysis, it can be seen that although the mixer driving systems have many forms, they have disadvantages, such as low capacity, unstable performance, high failure rate during the use of the mixer, and inability to meet the heavy-duty production requirements. How to develop and design a driving system which can be used in the steel sintering environment and has stable and reliable service performance, simple maintenance and cost saving is a problem which is urgently needed to be solved at present.
Disclosure of Invention
The invention is a brand new driving system designed for solving the problems, and aims to adopt a new driving mode and a new structural form, well solve the problems of driving stability and maintenance of a mixing machine, greatly simplify a complex transmission chain, effectively reduce fault points, improve the reliability of the system, save the space and the field of users and other basic constructions, and reduce the later-period maintenance cost of the users.
A novel mixing driving system of a steel sintering cylinder mixer is characterized by comprising an annular motor rotor assembly, a mixer cylinder, an annular motor stator assembly, a sealing housing, a driving base and fasteners, wherein the annular motor rotor assembly comprises a permanent magnet, a rotating shaft, a permanent magnet fixing frame and a cylinder connecting support; the annular motor stator assembly comprises a motor coil, a stator core and a motor shell support, the motor coil is uniformly and symmetrically embedded on the stator core in a winding form, and the annular motor stator assembly, the annular motor rotor assembly and the mixer barrel are concentrically arranged and mutually keep a fixed gap; the annular motor stator assembly, the annular motor rotor assembly and the cylinder connecting support combined with the mixer cylinder are all arranged in the sealing housing, and triangular fixed driving bases are symmetrically arranged on the left and right of the outer portion of the sealing housing.
Furthermore, the fixed clearance between the annular motor stator assembly and the annular motor rotor assembly and between the annular motor stator assembly and the mixer cylinder is 3-8 mm. The annular motor stator assembly generates a rotating magnetic field, the annular motor rotor assembly is driven to rotate through the rotating shaft, is cut by magnetic lines of force in the rotating magnetic field to generate or output current, and pushes the mixing machine barrel to rotate through the barrel connecting support, so that the mixing machine barrel is directly driven to operate under the condition that torque is transmitted without any physical contact.
Further, the fasteners are high-strength bolts, high-strength nuts and washers.
Furthermore, one end of the mixer cylinder is provided with a feed hopper, the other end of the mixer cylinder is provided with a discharge hopper and a water spraying device, at least one group of propeller-blade-shaped stirring and mixing mechanism is arranged inside the mixer cylinder, and a plurality of guide chutes are arranged on the front section inclined plane of each propeller blade and the side wall of the cylinder in an enclosing manner.
Furthermore, the annular motor rotor assembly and the annular motor stator assembly are controlled, adjusted and opened and closed through an intelligent controller, and the rotating speed of the mixer barrel is intelligently adjusted according to factors such as heavy load, temperature, humidity and uniformity of material mixing. The intelligent controller is composed of a power supply, a signal detection circuit, a heavy load detection circuit, a power detection circuit, a temperature control protection circuit, a phase-lack protection circuit, an accelerator and a relay, and is used for converting an electric field into a magnetic field by electrifying the annular motor stator assembly and pushing the mixing machine barrel to rotate under the magnetic interaction with the permanent magnet of the annular motor rotor assembly.
Furthermore, the novel mixing driving system can move up and down according to the jumping of the cylinder body of the cylinder mixer, and self-adjustment is achieved.
The invention adopts a new driving device structure form of 'annular motor + cylinder body', utilizes the low-speed and high-torque characteristics of the permanent magnet motor, and the annular permanent magnet motor integrated by the whole machine directly drives the cylinder body of the cylinder mixer to operate, so that the torque transmission has no physical contact, no friction loss and basically zero abrasion. Meanwhile, the structure is compact, the installation is convenient, the zero maintenance is basically realized in the later operation, and the working efficiency is extremely high. The hydraulic motor transmission type hydraulic oil pump effectively overcomes the defects of complex structure, high requirement on ground foundation, high energy consumption, multiple fault points, inconvenient maintenance, oil pollution and the like of a gear transmission type, and simultaneously does not need very high engineering cost and maintenance cost as a hydraulic motor transmission type. In addition, the invention also adopts an intelligent controller to control, regulate and open and close the annular motor rotor assembly and the annular motor stator assembly, thereby realizing the automation and the intellectualization of the cylinder mixer in the steel sintering process. The novel mixing driving system can move up and down according to the bouncing of the cylinder body to realize self adjustment, and the supporting form of the novel mixing driving system is different from the forms of a traditional ball mill and the like which are fixed by two head and tail bearing bushes.
In conclusion, the beneficial effects of the invention are as follows: firstly, a new transmission form is designed, the structure of a driving device is simplified, the manufacturing cost is reduced, and the cost performance of products is improved; secondly, energy is saved, efficiency is high, the permanent magnet synchronous motor can keep extremely high efficiency and power in the whole speed regulation range, and the energy saving rate is more than 20%; and thirdly, the device is low in vibration and noise, maintenance-free and easy to install, adopts permanent magnet annular direct drive, does not have a gear, a reduction gearbox and a coupling running part, does not need to replace gear lubricating oil regularly, and really realizes maintenance-free of the device.
Drawings
FIG. 1 is a front view of the novel blend drive system of the drum mixer of the present invention.
FIG. 2 is a left side view of the novel blending drive system of the drum mixer of the present invention.
FIG. 3 is a front view of the novel blending drive system of the drum mixer of the present invention.
FIG. 4 is a schematic diagram of a conventional rubber-tyred drum mixer drive system.
FIG. 5 is a schematic diagram of the structure of a conventional geared drum mixer drive system.
In the drawings, 1, a ring-shaped motor rotor assembly; 2. a mixer barrel; 3. an annular motor stator assembly; 4. sealing the housing; 5. a drive base; 6. a fastener; 7. a blending drive system; 8. supporting the carrier roller device; 9. a feed hopper; 10. a discharge hopper; 11. a water spraying device; 12. a supporting rubber wheel device; 13. a rubber wheel drive motor; 14. a coupling; 15. a speed reducer; 16. a gear drive motor; 17. a coupler; 18. large and small gear pairs.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples, which are intended to illustrate rather than to limit the invention, and various changes, modifications and decorations can be made to the invention by those skilled in the art without departing from the spirit of the invention as defined by the appended claims.
Example 1
As shown in fig. 1, 2 and 3, a novel mixing driving system of a steel sintering cylinder mixer is composed of an annular motor rotor assembly (1), a mixer cylinder (2), an annular motor stator assembly (3), a sealing housing (4), a driving base (5) and a fastener (6), wherein the annular motor rotor assembly (1) comprises a permanent magnet, a rotating shaft, a permanent magnet fixing frame and a cylinder connecting support, the rotating shaft is radially and annularly and uniformly provided with groove-shaped permanent magnet fixing frames which are not connected with each other in a circumferential direction, a plurality of intermediate magnetic poles are arranged in the permanent magnet fixing frames and simultaneously point to or deviate from the permanent magnet of the stator, and the cylinder connecting support is directly combined with the mixer cylinder (2) and is connected with the mixer cylinder (2) through the fastener (6) in the same way; the annular motor stator assembly (3) is internally provided with a motor coil, a stator core and a motor shell support, the motor coil is uniformly and symmetrically embedded on the stator core in a winding form, and the annular motor stator assembly (3), the annular motor rotor assembly (1) and the mixer barrel (2) are concentrically arranged and mutually keep a fixed gap; the annular motor stator assembly (3), the annular motor rotor assembly (1) and a cylinder connecting support combined with the mixer cylinder (2) are arranged in the sealing housing (4), and the triangular fixed driving bases (5) are symmetrically arranged on the left and right of the outer part of the sealing housing (4).
The fixed gaps among the annular motor stator assembly (3), the annular motor rotor assembly (1) and the mixer barrel (2) are 3 mm. The annular motor stator assembly (3) generates a rotating magnetic field, the annular motor rotor assembly (1) is driven to rotate through the rotating shaft, is cut by magnetic lines in the rotating magnetic field to generate or output current, and pushes the mixer barrel (2) to rotate through the barrel connecting support, so that the mixer barrel (2) is directly driven to operate under the condition of no physical contact in torque transmission. The fastener (6) is a high-strength bolt, a high-strength nut and a gasket.
One end of the mixer cylinder (2) is provided with a feed hopper (9), the other end of the mixer cylinder is provided with a discharge hopper (10) and a water spraying device (11), the mixer cylinder (2) is internally provided with at least one group of propeller-shaped stirring and mixing mechanism, and a plurality of guide chutes are arranged on the front section inclined planes of the propeller blades and the side wall of the cylinder in an enclosing manner.
As shown in fig. 4 and 5, the novel blending driving system of the steel sintering cylinder mixer in the embodiment of the present invention is different from the driving systems of the traditional rubber wheel transmission cylinder mixer and the traditional rubber wheel transmission cylinder mixer, and has no rubber wheel and rubber wheel supporting device (12), and also has no rubber wheel driving motor (13) or gear driving motor (16), coupler (14), speed reducer (15), coupler (17), large gear pair and small gear pair (18), so that the structure form is more compact, and the maintenance is simple.
Example 2
As shown in fig. 1, 2 and 3, a novel mixing driving system of a steel sintering cylinder mixer is composed of an annular motor rotor assembly (1), a mixer cylinder (2), an annular motor stator assembly (3), a sealing housing (4), a driving base (5) and a fastener (6), wherein the annular motor rotor assembly (1) comprises a permanent magnet, a rotating shaft, a permanent magnet fixing frame and a cylinder connecting support, the rotating shaft is radially and annularly and uniformly provided with groove-shaped permanent magnet fixing frames which are not connected with each other in a circumferential direction, a plurality of intermediate magnetic poles are arranged in the permanent magnet fixing frames and simultaneously point to or deviate from the permanent magnet of the stator, and the cylinder connecting support is directly combined with the mixer cylinder (2) and is connected with the mixer cylinder (2) through the fastener (6) in the same way; the annular motor stator assembly (3) is internally provided with a motor coil, a stator core and a motor shell support, the motor coil is uniformly and symmetrically embedded on the stator core in a winding form, and the annular motor stator assembly (3), the annular motor rotor assembly (1) and the mixer barrel (2) are concentrically arranged and mutually keep a fixed gap; the annular motor stator assembly (3), the annular motor rotor assembly (1) and a cylinder connecting support combined with the mixer cylinder (2) are arranged in the sealing housing (4), and the triangular fixed driving bases (5) are symmetrically arranged on the left and right of the outer part of the sealing housing (4).
The fixed gaps among the annular motor stator assembly (3), the annular motor rotor assembly (1) and the mixer barrel (2) are 8 mm. The annular motor stator assembly (3) generates a rotating magnetic field, the annular motor rotor assembly (1) is driven to rotate through the rotating shaft, is cut by magnetic lines in the rotating magnetic field to generate or output current, and pushes the mixer barrel (2) to rotate through the barrel connecting support, so that the mixer barrel (2) is directly driven to operate under the condition of no physical contact in torque transmission. The fastener (6) is a high-strength bolt, a high-strength nut and a gasket.
One end of the mixer cylinder (2) is provided with a feed hopper (9), the other end of the mixer cylinder is provided with a discharge hopper (10) and a water spraying device (11), the mixer cylinder (2) is internally provided with at least one group of propeller-shaped stirring and mixing mechanism, and a plurality of guide chutes are arranged on the front section inclined planes of the propeller blades and the side wall of the cylinder in an enclosing manner.
Furthermore, the annular motor rotor assembly (1) and the annular motor stator assembly (3) are controlled, adjusted and opened and closed through an intelligent controller, and then the rotating speed of the mixer barrel (2) is intelligently adjusted according to factors such as heavy load, temperature, humidity and uniformity of material mixing. The intelligent controller is composed of a power supply, a signal detection circuit, a heavy load detection circuit, a power detection circuit, a temperature control protection circuit, a phase-lack protection circuit, an accelerator and a relay, and is used for converting an electric field into a magnetic field by electrifying the annular motor stator assembly (3) and pushing the mixer cylinder (2) to rotate under the magnetic interaction with the permanent magnet of the annular motor rotor assembly (1).
In embodiments 1 and 2 of the present invention, since the annular permanent magnet motor is used to drive the mixer, the operation efficiency of the cylindrical mixer is almost equal to that of the annular permanent magnet motor, which is more than 96%, and the energy saving rate of more than 20% can be achieved without maintenance for life, so that all problems of maintenance of the cylindrical mixer are solved thoroughly, and the present invention brings revolutionary application to the cylindrical mixer in the steel sintering system.
Economic index comparison analysis table (comparing with 800 KWH)
Claims (8)
1. A novel mixing driving system of a steel sintering cylinder mixer is characterized by comprising an annular motor rotor assembly, a mixer cylinder, an annular motor stator assembly, a sealing housing, a driving base and fasteners, wherein the annular motor rotor assembly comprises a permanent magnet, a rotating shaft, a permanent magnet fixing frame and a cylinder connecting support; the annular motor stator assembly comprises a motor coil, a stator core and a motor shell support, the motor coil is uniformly and symmetrically embedded on the stator core in a winding form, and the annular motor stator assembly, the annular motor rotor assembly and the mixer barrel are concentrically arranged and mutually keep a fixed gap; the annular motor stator assembly, the annular motor rotor assembly and the cylinder connecting support combined with the mixer cylinder are all arranged in the sealing housing, and triangular fixed driving bases are symmetrically arranged on the left and right of the outer portion of the sealing housing.
2. The mixing drive system of claim 1, wherein the gap between the stator assembly of the ring motor and the rotor assembly of the ring motor is 3-8 mm.
3. The mixing driving system of claim 1, wherein the stator assembly of the ring motor generates a rotating magnetic field, the rotor assembly of the ring motor rotates by the rotation of the shaft, and is cut by the magnetic force lines in the rotating magnetic field to generate or output current, and the barrel of the mixing machine is pushed to rotate by the barrel connecting bracket, so that the barrel of the mixing machine is directly driven to operate without any physical contact during torque transmission.
4. The new blending drive system of steel sintering cylinder mixer of claim 1, characterized by that, the fasteners are high strength bolts, high strength nuts and washers.
5. The mixing driving system of claim 1, wherein a feed hopper is provided at one end of the mixer cylinder, a discharge hopper and a water injector are provided at the other end of the mixer cylinder, at least one set of propeller-blade mixing mechanism is provided inside the mixer cylinder, and a plurality of material guiding chutes are provided around the front inclined surface of the propeller blade and the side wall of the cylinder.
6. The mixing drive system of claim 1, wherein the ring motor rotor assembly and the ring motor stator assembly are controlled, adjusted, opened and closed by an intelligent controller, so as to intelligently adjust the rotation speed of the mixer barrel according to the factors of heavy load, temperature, humidity, uniformity and the like of material mixing.
7. The system of claim 6, wherein the intelligent controller comprises a power supply, a signal detection circuit, a heavy load detection circuit, a power detection circuit, a temperature control protection circuit, a phase loss protection circuit, an accelerator and a relay, and when the stator assembly of the ring motor is energized, the electric field is converted into a magnetic field, which interacts with the permanent magnet of the rotor assembly of the ring motor to drive the rotation of the cylinder of the mixer.
8. The new blending drive system of steel sintering drum mixer of claim 1, characterized by that, the new blending drive system can move up and down according to the bounce of drum mixer, realizing self-regulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011068841.8A CN112121695A (en) | 2020-10-01 | 2020-10-01 | Novel mixing driving system of steel sintering drum mixer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011068841.8A CN112121695A (en) | 2020-10-01 | 2020-10-01 | Novel mixing driving system of steel sintering drum mixer |
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| CN112121695A true CN112121695A (en) | 2020-12-25 |
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| CN202011068841.8A Pending CN112121695A (en) | 2020-10-01 | 2020-10-01 | Novel mixing driving system of steel sintering drum mixer |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090303832A1 (en) * | 2005-03-17 | 2009-12-10 | Sulzer Pumpen Ag | Agitator |
| CN106216033A (en) * | 2016-08-08 | 2016-12-14 | 成都茂源科技有限公司 | A kind of permagnetic synchronous motor direct-drive type energy-saving ball mill |
| CN206211690U (en) * | 2016-11-30 | 2017-05-31 | 成都茂源科技有限公司 | A kind of High-efficiency stable permanent magnet direct-drive ball mill |
| CN206404857U (en) * | 2016-11-30 | 2017-08-15 | 成都茂源科技有限公司 | A kind of high-power multi-phase permanent direct current generator direct-drive type ball mill |
| CN206838229U (en) * | 2016-11-30 | 2018-01-05 | 成都茂源科技有限公司 | A kind of electric excitation synchronous motor direct-drive type energy-saving ball mill |
| CN209317791U (en) * | 2018-12-21 | 2019-08-30 | 鞠崇文 | A kind of power transmitting flange is located at the ball mill of the non-discharge end end of cylinder |
| CN210074894U (en) * | 2019-06-13 | 2020-02-14 | 青岛恩能电机有限公司 | Special full-packaging combined type permanent magnet direct-drive annular motor for ball mill |
-
2020
- 2020-10-01 CN CN202011068841.8A patent/CN112121695A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090303832A1 (en) * | 2005-03-17 | 2009-12-10 | Sulzer Pumpen Ag | Agitator |
| CN106216033A (en) * | 2016-08-08 | 2016-12-14 | 成都茂源科技有限公司 | A kind of permagnetic synchronous motor direct-drive type energy-saving ball mill |
| CN206211690U (en) * | 2016-11-30 | 2017-05-31 | 成都茂源科技有限公司 | A kind of High-efficiency stable permanent magnet direct-drive ball mill |
| CN206404857U (en) * | 2016-11-30 | 2017-08-15 | 成都茂源科技有限公司 | A kind of high-power multi-phase permanent direct current generator direct-drive type ball mill |
| CN206838229U (en) * | 2016-11-30 | 2018-01-05 | 成都茂源科技有限公司 | A kind of electric excitation synchronous motor direct-drive type energy-saving ball mill |
| CN209317791U (en) * | 2018-12-21 | 2019-08-30 | 鞠崇文 | A kind of power transmitting flange is located at the ball mill of the non-discharge end end of cylinder |
| CN210074894U (en) * | 2019-06-13 | 2020-02-14 | 青岛恩能电机有限公司 | Special full-packaging combined type permanent magnet direct-drive annular motor for ball mill |
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Application publication date: 20201225 |
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