CN204334387U - Digester mixing plant static frequency converter - Google Patents
Digester mixing plant static frequency converter Download PDFInfo
- Publication number
- CN204334387U CN204334387U CN201420799721.9U CN201420799721U CN204334387U CN 204334387 U CN204334387 U CN 204334387U CN 201420799721 U CN201420799721 U CN 201420799721U CN 204334387 U CN204334387 U CN 204334387U
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- frequency converter
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Abstract
The utility model discloses a kind of digester mixing plant static frequency converter, comprise digester, variable-frequency motor, control cubicle, digester establishes variable-frequency motor, variable-frequency motor connects paddle down, variable-frequency motor is connected with the frequency converter in control cubicle, variable-frequency motor controls self-inspection before rotating and delayed startup by two contactors and a delayer, control cubicle is established two fans dispelled the heat, frequency converter sets the frequency curve conversion time starting to normal operation in advance, when mixing plant starts, self-inspection after frequency converter energising, operate by the initiation culture of setting by the delay time order frequency converter of setting, variable-frequency motor at a slow speed high pulling torque drive paddle rotate, rated frequency work is risen at setting-up time inner curve.The utility model uses the controlling functions of frequency converter, not only can regulate motor speed in a big way, can also improve the mechanical performance of motor, has important function to reduction mixer energy consumption, raising stirring efficiency.
Description
Technical field
The utility model relates to a kind of device for fixing running tracks of radiant type mud scraper, especially digester mixing plant static frequency converter.
Background technology
In Treatment of Sludge, mixer is widely used in homogenizing, the dispersing technology process of mud in digester, mixer majority belongs to high-power electric appliance equipment, cyclical intermission operates, and drive motors needs frequent starting, in motor start-up procedure, because mud has viscosity and inertia, slip is by the static time needing the several seconds to stable motion, and in this unsteady state, the resistance that mud acts on paddle is very large, motor can produce heavy overload in short-term, thus affects the life-span of motor.Meanwhile, overload current is in short-term very large, is almost more than four times, and electric energy loss is large and electric efficiency is extremely low, and very easily cause power line aging, transformer overload burns, so cause certain energy loss, even has the hidden danger that overload is on fire.In addition, existing mixer does not generally have speed change gear, when the change of raw material physical parameter needs different mixing speeds, is difficult to reach best stirring efficiency.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, digester mixing plant static frequency converter is provided, stirring motor configuration variable-frequency motor, operated by Frequency Converter Control variable-frequency motor, frequency converter sets the frequency curve conversion time starting to normal operation in advance, when mixing plant starts, self-inspection after frequency converter energising, after delay time, the initiation culture that variable-frequency motor presses frequency converter setting starts running, the drive paddle of variable-frequency motor low-rotate speed high pulling torque rotates, after setting-up time inner curve rises to rated frequency work, variable-frequency motor runs well, and mixing cycle and running speed can be set as required, not only can regulate motor speed in a big way, the mechanical performance of motor can also be improved, to reduction mixer energy consumption, improve stirring efficiency and there is important function.
For achieving the above object, the technical solution of the utility model is: digester mixing plant static frequency converter, comprise digester, variable-frequency motor, control cubicle, cover plate is set bottom described digester, mud inlet is established in upper left, mud mouth is established in bottom right, upper cover plate is established on top, connecting plate established by described upper cover plate, described connecting plate establishes variable-frequency motor, described variable-frequency motor axle stretch end down establishes power transmission shaft, described power transmission shaft establishes blade, variable-frequency motor is connected with control cubicle power line, described control cubicle comprises cover and cabinet, control transformer is established in described cabinet, binding post one is established on the left of described control transformer, binding post two is established in top, contactor one is established from the left right side above described binding post two, contactor two, delayer, described contactor one, contactor two, binding post three is established in delayer upper end, frequency converter is established above described binding post three, observation window is established in described cover upper end, cooling window one and cooling window two is respectively established about lower end, fan one is established in described cooling window one, fan two is established in cooling window two, battery main switch is established on fan of telling top, power supply indicator is established in described battery main switch upper end, right side establishes motor to rotate forward start button, described motor rotates forward start button upper end and establishes rotating forward indicator light, motor reversal start button is established on right side, reversion indicator light is established in described motor reversal start button upper end, stop button is established on right side, stopping indicator light being established in described stop button upper end, emergency stop switch is established on right side, described emergency stop switch upper end is established and is suddenly stopped indicator light, described binding post one connects electric power incoming line, described binding post three is communicated with the input of frequency converter, the output termination power supply output line of described frequency converter is communicated with variable-frequency motor, between each control apparatus, connection is set with power supply wiring.
Further setting, power wire pipe is established in the power supply output line outside that described frequency converter is communicated with variable-frequency motor.
The beneficial effects of the utility model are: stirring motor is variable-frequency motor, operated by Frequency Converter Control variable-frequency motor, be conducive to the frequency curve conversion time that frequency converter setting starts to normal operation, when mixing plant starts, self-inspection after frequency converter energising, after delay time, the initiation culture that variable-frequency motor presses frequency converter setting starts running, the drive paddle of variable-frequency motor low-rotate speed high pulling torque rotates, after setting-up time inner curve rises to rated frequency work, variable-frequency motor runs well, and mixing cycle and running speed can be set as required, not only can regulate variable-frequency motor rotating speed in a big way, the mechanical performance of variable-frequency motor can also be improved, reduce the overall energy consumption of mixer, improve stirring efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram of control cubicle in Fig. 1.
In figure: digester 1, upper cover plate 101, lower cover 102, power transmission shaft 103, blade 104, mud inlet 105, mud mouth 106, variable-frequency motor 2, connecting plate 201, control cubicle 3, observation window 301, cooling window 1, cooling window 2 303, emergency stop switch 304, motor rotates forward start button 305, motor reversal start button 306, stop button 307, battery main switch 308, power supply indicator 309, rotate forward indicator light 310, reversion indicator light 311, stop indicator light 312, suddenly stop indicator light 313, cover 314, frequency converter 315, control transformer 316, fan 1, fan 2 318, contactor 1, contactor 2 320, delayer 321, binding post 1, binding post 2 323, binding post 3 324, electric power incoming line 325, power supply output line 326, power supply wiring 307, cabinet 308, power line pipeline 4.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
As shown in Fig. 1 ~ Fig. 2, digester mixing plant static frequency converter, comprise digester 1, variable-frequency motor 2, control cubicle 3, cover plate 102 is set bottom described digester 1, mud inlet 105 is established in upper left, mud mouth 106 is established in bottom right, upper cover plate 101 is established on top, connecting plate 201 established by described upper cover plate 101, described connecting plate 201 establishes variable-frequency motor 2, described variable-frequency motor 2 axle stretch end down establishes power transmission shaft 103, described power transmission shaft 103 establishes blade 104, variable-frequency motor 2 is connected with power line with control cubicle 3, described control cubicle 3 comprises cover 314 and cabinet 308, control transformer 316 is established in described cabinet 308, binding post 1 is established on the left of described control transformer 316, binding post 2 323 is established in top, contactor 1 is established from the left right side above described binding post 2 323, contactor 2 320, delayer 321, described contactor 1, contactor 2 320, binding post 3 324 is established in delayer 321 upper end, frequency converter 315 is established above described binding post 3 324, observation window 301 is established in described cover 314 upper end, cooling window 1 and cooling window 2 303 is respectively established about lower end, fan 1 is established in described cooling window 1, fan 2 318 is established in cooling window 2 303, battery main switch 308 is established on fan of telling 1 top, power supply indicator 309 is established in described battery main switch 308 upper end, right side establishes motor to rotate forward start button 305, described motor rotates forward start button 305 upper end and establishes rotating forward indicator light 310, motor reversal start button 306 is established on right side, reversion indicator light 311 is established in described motor reversal start button 306 upper end, stop button 307 is established on right side, described stop button 307 upper end is established and is stopped indicator light 312, emergency stop switch 304 is established on right side, described emergency stop switch 304 upper end is established and is suddenly stopped indicator light 313, described binding post 1 connects electric power incoming line 325, described binding post 3 324 is communicated with the input of frequency converter 315, the output termination power supply output line 326 of described frequency converter 315 is communicated with variable-frequency motor 2, between each control apparatus, connection is set with power supply wiring 327, the utility model arranges as variable-frequency motor 2, control variable-frequency motor 2 by frequency converter 315 to operate, be conducive to the frequency curve conversion time that frequency converter 315 setting starts to normal operation, when mixing plant starts, work after self-inspection after frequency converter 315 is energized, variable-frequency motor 2 presses the initiation culture startup running that frequency converter 315 sets, blade 104 on the drive power transmission shaft 103 of variable-frequency motor 2 low-rotate speed high pulling torque rotates, smoothly rise to rated frequency work in setting-up time after, variable-frequency motor 2 is by rated speed running, and mixing cycle and running speed can be set as required, not only can regulate variable-frequency motor 2 rotating speed in a big way, the mechanical performance of variable-frequency motor 2 can be improved, reduce the overall energy consumption of mixer, improve stirring efficiency.
Power wire pipe 4 is established in power supply output line 326 outside that described frequency converter 315 is communicated with variable-frequency motor 2.
More than show and describe general principle of the present utility model and principal character, and advantage of the present utility model.The technical staff of the industry also understands; the utility model is not by the restriction of above-mentioned case study on implementation; what describe in above-mentioned case study on implementation and specification just illustrates principle of the present utility model; do not departing under the utility model design category prerequisite; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appended claims and equivalent thereof.
Claims (2)
1. digester mixing plant static frequency converter, it is characterized in that: comprise digester (1), variable-frequency motor (2), control cubicle (3), cover plate (102) is set in described digester (1) bottom, mud inlet (105) is established in upper left, mud mouth (106) is established in bottom right, upper cover plate (101) is established on top, described upper cover plate (101) is established connecting plate (201), described connecting plate (201) is established variable-frequency motor (2), described variable-frequency motor (2) axle stretch end down establishes power transmission shaft (103), described power transmission shaft (103) is established blade (104), variable-frequency motor (2) is connected with power line with control cubicle (3), described control cubicle (3) comprises cover (314) and cabinet (308), control transformer (316) is established in described cabinet (308), binding post one (322) is established in described control transformer (316) left side, binding post two (323) is established in top, contactor one (319) is established from the left right side in described binding post two (323) top, contactor two (320), delayer (321), described contactor one (319), contactor two (320), binding post three (324) is established in delayer (321) upper end, frequency converter (315) is established in described binding post three (324) top, observation window (301) is established in described cover (314) upper end, cooling window one (302) and cooling window two (303) is respectively established about lower end, fan one (317) is established in described cooling window one (302), fan two (318) is established in cooling window two (303), battery main switch (308) is established on fan of telling (317) top, power supply indicator (309) is established in described battery main switch (308) upper end, right side establishes motor to rotate forward start button (305), described motor rotates forward start button (305) upper end and establishes rotating forward indicator light (310), motor reversal start button (306) is established on right side, reversion indicator light (311) is established in described motor reversal start button (306) upper end, stop button (307) is established on right side, described stop button (307) upper end is established and is stopped indicator light (312), emergency stop switch (304) is established on right side, described emergency stop switch (304) upper end is established and is suddenly stopped indicator light (313), described binding post one (322) connects electric power incoming line (325), described binding post three (324) is communicated with the input of frequency converter (315), the output termination power supply output line (326) of described frequency converter (315) is communicated with variable-frequency motor (2), between each control apparatus, connection is set with power supply wiring (327).
2. digester mixing plant static frequency converter as claimed in claim 1, is characterized in that: power wire pipe (4) is established in power supply output line (326) outside that described frequency converter (315) is communicated with variable-frequency motor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420799721.9U CN204334387U (en) | 2014-12-17 | 2014-12-17 | Digester mixing plant static frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420799721.9U CN204334387U (en) | 2014-12-17 | 2014-12-17 | Digester mixing plant static frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204334387U true CN204334387U (en) | 2015-05-13 |
Family
ID=53170695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420799721.9U Expired - Fee Related CN204334387U (en) | 2014-12-17 | 2014-12-17 | Digester mixing plant static frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204334387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553382A (en) * | 2015-12-31 | 2016-05-04 | 魏乾坤 | Variable frequency starting device for mixing equipment of digestion tank |
-
2014
- 2014-12-17 CN CN201420799721.9U patent/CN204334387U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553382A (en) * | 2015-12-31 | 2016-05-04 | 魏乾坤 | Variable frequency starting device for mixing equipment of digestion tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20151217 |
|
| EXPY | Termination of patent right or utility model |