CN109761463A - Digester mixing plant static frequency converter - Google Patents
Digester mixing plant static frequency converter Download PDFInfo
- Publication number
- CN109761463A CN109761463A CN201711100863.6A CN201711100863A CN109761463A CN 109761463 A CN109761463 A CN 109761463A CN 201711100863 A CN201711100863 A CN 201711100863A CN 109761463 A CN109761463 A CN 109761463A
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- Prior art keywords
- frequency
- variable
- motor
- sets
- frequency converter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a kind of digester mixing plant static frequency converters, including digester, variable-frequency motor, control cabinet, variable-frequency motor is set on digester, variable-frequency motor connects agitating paddle downward, variable-frequency motor is connect with the frequency converter in control cabinet, variable-frequency motor is controlled self-test before positive and negative dress and delayed startup by two contactors and a delayer, two cooling fans are set on control cabinet, the frequency curve conversion time for starting to normal operation is previously set in frequency converter, when mixing plant starts, self-test after frequency converter is powered, by setting delay time order frequency converter by setting initiation culture operating variable-frequency motor at a slow speed large torque drive agitating paddle rotation, curve rises to rated frequency work within the set time.The present invention uses the control function of frequency converter, can not only adjust motor speed in a big way, can also improve the mechanical performance of motor, plays a significant role to reducing blender energy consumption, improving stirring efficiency.
Description
Technical field
The present invention relates to a kind of device for fixing running tracks of radiant type mud scraper, especially digester mixing plant variable frequency starting
Device.
Background technique
Blender is widely used in the homogenizing of sludge in digester, dispersing technology process in Treatment of Sludge, and blender is most
Belonging to high-power electric appliance equipment, cyclical intermission operation, driving motor needs frequent starting, in motor start-up procedure, due to
Sludge has viscosity and inertia, and slurry is by the static time for needing the several seconds to stable motion, in this unsteady state, sludge
The resistance for acting on paddle is very big, and motor can generate heavy overload in short-term, to influence the service life of motor.Meanwhile mistake in short-term
It is very big to carry electric current, almost four times or more, electric energy loss is big and electric efficiency is extremely low, easily causes power supply line aging, transformer
Overload burning so causing certain energy loss, or even has and overloads hidden danger on fire.In addition, existing blender does not have generally
There is speed change gear, when the variation of raw material physical parameter needs different mixing speeds, it is difficult to reach optimal stirring efficiency.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, digester mixing plant variable frequency starting dress is provided
It sets, stirring motor configures variable-frequency motor, is operated by Frequency Converter Control variable-frequency motor, frequency converter, which is previously set, starts to normal operation
Frequency curve conversion time, when mixing plant starts, self-test after frequency converter is powered, after delay time, variable-frequency motor is by becoming
The initiation culture of frequency device setting starts operating, and the drive agitating paddle of variable-frequency motor low-rotate speed large torque rotates, within the set time
After curve rises to rated frequency work, variable-frequency motor runs well, and mixing cycle and running speed can be set as needed,
Motor speed can be not only adjusted in a big way, can also improve the mechanical performance of motor, to reduction blender energy consumption, mentioned
High stirring efficiency plays a significant role.
In order to achieve the above objectives, the technical scheme is that digester mixing plant static frequency converter, including digestion
Pond, variable-frequency motor, control cabinet, the digestion bottom of pond portion set cover board, and upper left sets mud inlet, and bottom right sets mud mouth, and top is set
Cover board sets connecting plate on the upper cover plate, variable-frequency motor is set on the connecting plate, the variable-frequency motor axle stretch end directed downwardly sets biography
Moving axis sets blade on the transmission shaft, and variable-frequency motor is connect with control cabinet with power supply line, and the control cabinet includes cover and cabinet
Body sets control transformer in the cabinet body, sets connecting terminal one on the left of the control transformer, top sets connecting terminal two, institute
It states two top of connecting terminal and sets contactor one, contactor two, delayer, the contactor one, contactor two, delay from the left side right side
Device upper end sets connecting terminal three, and frequency converter is set above the connecting terminal three, and the cover upper end sets observation window, and lower end or so is each
If cooling window one and cooling window two, fan one is set in the cooling window one, sets fan two, told one top of fan in cooling window two
If battery main switch, the battery main switch upper end sets power supply indicator, and right side sets motor and rotates forward start button, and the motor is just
Turn start button upper end and set rotating forward indicator light, right motor inverts start button, and motor reversal start button upper end is set instead
Turn indicator light, right side sets stop button, and the stop button upper end sets stopping indicator light, and right side sets emergency stop switch, the emergency stop
Switch upper end sets emergency stop indicator light, and the connecting terminal one connects electric power incoming line, the input of the connecting terminal three and frequency converter
The output termination power supply output line of end connection, the frequency converter is connected to variable-frequency motor, and each control uses power supply wiring between electric appliance
Setting connection.
Further it is arranged, sets power wire pipe outside the power supply output line that the frequency converter is connected to variable-frequency motor.
The beneficial effects of the present invention are: stirring motor is variable-frequency motor, is operated, be conducive to by Frequency Converter Control variable-frequency motor
Frequency converter sets the frequency curve conversion time for starting to normal operation, and when mixing plant starts, self-test after frequency converter is powered is prolonged
When the time after, variable-frequency motor by frequency converter setting initiation culture start operating, the drive of variable-frequency motor low-rotate speed large torque
Agitating paddle rotation, after curve rises to rated frequency work within the set time, variable-frequency motor runs well, and can be as needed
Mixing cycle and running speed are set, variable-frequency motor revolving speed can be not only adjusted in a big way, variable-frequency electric can also be improved
The mechanical performance of machine reduces blender entirety energy consumption, improves stirring efficiency.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the schematic diagram of control cabinet in Fig. 1.
In figure: digester 1, upper cover plate 101, lower cover plate 102, transmission shaft 103, blade 104, mud inlet 105, mud mouth
106, variable-frequency motor 2, connecting plate 201, control cabinet 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 and refers to
Show lamp 309, rotates forward indicator light 310, reversion indicator light 311, stops indicator light 312, emergency stop indicator light 313, cover 314, frequency conversion
Device 315, fan 1, fan 2 318, contactor 1, contactor 2 320, delayer 321, connects control transformer 316
Line terminals 1, connecting terminal 2 323, connecting terminal 3 324, electric power incoming line 325, power supply output line 326, power supply wiring
307, cabinet body 308, power supply line pipeline 4.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
As shown in FIG. 1 to FIG. 2, digester mixing plant static frequency converter, including digester 1, variable-frequency motor 2, control
Cover board 102 is set in cabinet 3,1 bottom of digester, and upper left sets mud inlet 105, and bottom right sets mud mouth 106, and top sets upper cover plate
101, connecting plate 201 is set on the upper cover plate 101, variable-frequency motor 2 is set on the connecting plate 201, the variable-frequency motor 2 is downward
Axle stretch end set transmission shaft 103, blade 104 is set on the transmission shaft 103, variable-frequency motor 2 is connected with control cabinet 3 with power supply line
It connects, the control cabinet 3 includes cover 314 and cabinet body 308, and control transformer 316, the control transformation are set in the cabinet body 308
Connecting terminal 1 is set on the left of device 316, top sets connecting terminal 2 323, and 2 323 top of connecting terminal is set from the left side right side
Contactor 1, contactor 2 320, delayer 321, the contactor 1, contactor 2 320,321 upper end of delayer are set
Connecting terminal 3 324,3 324 top of connecting terminal set frequency converter 315, and 314 upper end of cover sets observation window 301, under
End left and right respectively sets cooling window 1 and cooling window 2 303, and fan 1, cooling window 2 303 are set in the cooling window 1
Fan 2 318 is inside set, told one 317 top of fan sets battery main switch 308, and 308 upper end of battery main switch sets power supply and refers to
Show lamp 309, right side sets motor and rotates forward start button 305, and the motor rotates forward 305 upper end of start button and sets rotating forward indicator light
310, right motor inverts start button 306, and 306 upper end of motor reversal start button sets reversion indicator light 311, and right side is set
Stop button 307,307 upper end of stop button, which is set, stops indicator light 312, and right side sets emergency stop switch 304, the emergency stop switch
304 upper ends set emergency stop indicator light 313, and the connecting terminal 1 connects electric power incoming line 325, the connecting terminal 3 324 with
The input terminal of frequency converter 315 is connected to, and the output termination power supply output line 326 of the frequency converter 315 is connected to variable-frequency motor 2, respectively
It controls with the setting connection of power supply wiring 327 between electric appliance, the present invention, which matches, is set as variable-frequency motor 2, controls variable-frequency electric by frequency converter 315
Machine 2 operates, and is conducive to frequency converter 315 and sets the frequency curve conversion time for starting to normal operation, when mixing plant starts, becomes
It works after self-test after frequency device 315 is powered, variable-frequency motor 2 starts operating, variable-frequency motor 2 by the initiation culture that frequency converter 315 is set
The blade 104 of low-rotate speed large torque driven on transmission shaft 103 rotates, and smoothly rises to rated frequency work within the set time
Afterwards, variable-frequency motor 2 is operated by rated speed, and mixing cycle and running speed can be set as needed, not only can be larger
2 revolving speed of variable-frequency motor is adjusted in range, can improve the mechanical performance of variable-frequency motor 2, is reduced blender entirety energy consumption, is improved and stir
Mix efficiency.
Power wire pipe 4 is set outside the power supply output line 326 that the frequency converter 315 is connected to variable-frequency motor 2.
Basic principles and main features and advantages of the present invention of the invention have been shown and described above.The industry
Technical staff is also aware that the present invention is not limited by above-mentioned case study on implementation, described in above-mentioned case study on implementation and specification only
Illustrating the principle of the present invention, under the premise of not departing from present invention design scope, various changes and improvements may be made to the invention, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (2)
1. digester mixing plant static frequency converter, it is characterised in that: including digester (1), variable-frequency motor (2), control cabinet
(3), digester (1) bottom is set cover board (102), and upper left is set mud inlet (105), and bottom right sets mud mouth (106), and top is set
Upper cover plate (101) sets connecting plate (201) on the upper cover plate (101), sets variable-frequency motor (2), institute on the connecting plate (201)
It states variable-frequency motor (2) axle stretch end directed downwardly to set transmission shaft (103), sets blade (104), variable-frequency motor on the transmission shaft (103)
(2) connect with control cabinet (3) with power supply line, the control cabinet (3) include cover (314) and cabinet body (308), the cabinet body
(308) control transformer (316) is set in, sets connecting terminal one (322) on the left of the control transformer (316), top sets wiring
Terminal two (323), connecting terminal two (323) top set contactor one (319), contactor two (320), delay from the left side right side
Device (321), the contactor one (319), contactor two (320), delayer (321) upper end set connecting terminal three (324), described
It is set frequency converter (315) above connecting terminal three (324), cover (314) upper end sets observation window (301), and lower end or so is respectively set
It is cooling window one (302) and cooling window two (303), fan one (317) is set in the cooling window one (302), in cooling window two (303)
If fan two (318), told fan one (317) top is set battery main switch (308), and battery main switch (308) upper end is set
Power supply indicator (309), right side set motor and rotate forward start button (305), and the motor rotates forward start button (305) upper end and sets just
Turn indicator light (310), right motor inverts start button, and (306, motor reversal start button (306) upper end sets reversion and refers to
Show lamp (311), right side is set stop button (307), and stop button (307) upper end, which is set, stops indicator light (312), and right side sets urgency
Guard's valve (304), emergency stop switch (304) upper end are set emergency stop indicator light (313), connecting terminal one (322) the connection electricity
Source inlet wire (325), the connecting terminal three (324) are connected to the input terminal of frequency converter (315), the frequency converter (315) it is defeated
Termination power supply output line (326) is connected to variable-frequency motor (2) out, each to control between electric appliance with power supply wiring (327) setting connection.
2. digester mixing plant static frequency converter as described in claim 1, it is characterised in that: the frequency converter (315) with
Power wire pipe (4) are set outside the power supply output line (326) of variable-frequency motor (2) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711100863.6A CN109761463A (en) | 2017-11-09 | 2017-11-09 | Digester mixing plant static frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711100863.6A CN109761463A (en) | 2017-11-09 | 2017-11-09 | Digester mixing plant static frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109761463A true CN109761463A (en) | 2019-05-17 |
Family
ID=66448982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711100863.6A Pending CN109761463A (en) | 2017-11-09 | 2017-11-09 | Digester mixing plant static frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109761463A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116688840A (en) * | 2023-08-01 | 2023-09-05 | 浙江汉信科技有限公司 | Stirring device control method based on torque feedback and stirring device |
-
2017
- 2017-11-09 CN CN201711100863.6A patent/CN109761463A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116688840A (en) * | 2023-08-01 | 2023-09-05 | 浙江汉信科技有限公司 | Stirring device control method based on torque feedback and stirring device |
| CN116688840B (en) * | 2023-08-01 | 2023-10-20 | 浙江汉信科技有限公司 | Stirring device control method based on torque feedback and stirring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190517 |
|
| WD01 | Invention patent application deemed withdrawn after publication |