CN205678698U - A kind of feeder with frequency conversion motor - Google Patents
A kind of feeder with frequency conversion motor Download PDFInfo
- Publication number
- CN205678698U CN205678698U CN201620623637.0U CN201620623637U CN205678698U CN 205678698 U CN205678698 U CN 205678698U CN 201620623637 U CN201620623637 U CN 201620623637U CN 205678698 U CN205678698 U CN 205678698U
- Authority
- CN
- China
- Prior art keywords
- feeder
- frequency conversion
- conversion motor
- reductor
- axial flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of feeder with frequency conversion motor, relates to thermal power plant Technical Development Area.The problem overheated in order to solve feeder.The other end of flange is fixed on the bearing of frequency conversion motor, and the air outlet of axial flow blower is fixed on frequency conversion motor；The feeder ear with axial flow blower of independent current source is connected；Thermal resistor is arranged on frequency conversion motor, and thermal resistor is connected with axial flow blower feeder ear, and thermal resistor is connected with independent current source；Described thermal resistor is negative temperature coefficient thermistor.Have the beneficial effect that and achieve the intelligent cooling to axial flow blower, it is to avoid the problem that feeder longtime running is overheated, it is ensured that the safe and stable operation of unit；Shorten the repair and maintenance cycle, improve the safety of labor productivity and the person.It is suitable for coal-fired boiler in thermal power plant coal supply.
Description
Technical field
This utility model relates to thermal power plant Technical Development Area.
Background technology
CJG type meterage in weighting feeder is the one mated with coal pulverizer in coal-fired boiler in thermal power plant pulverized coal preparation system
Advanced metering coal supply equipment, it by coal continuously, send in coal pulverizer equably can be used to regulate the coal supply of coal-burning boiler
Amount.The stable operation of feeder, can make equipment obtain preferable energy-saving effect and bigger economic interests.Its operation principle
It is that coal enters feeder from coal store by coal feed point coal gate, transportation rubber belt deliver to feeder coal outlet, through coal outlet
Coal gate enters in coal pulverizer, is adjusted the rotating speed of motor by converter, i.e. changes the speed of transportation rubber belt, make actual coal-supplying amount
Reach unanimity with the coal-supplying amount required, to meet the needs of combustion system.Owing to can produce when the feeder motor working time is long
Raw substantial amounts of heat, feeder electric motor fan can not effectively reduce the temperature of feeder motor, causes feeder motor overheating,
The service life of feeder reduces, thus shortens maintenance period, adds the series of problems such as maintenance cost.
Utility model content
The purpose of this utility model is the problem overheated in order to solve feeder, proposes a kind of coal supply with frequency conversion motor
Machine.
A kind of feeder with frequency conversion motor described in the utility model, it includes reductor foundation sole plate, reductor
Floor, feeder reductor, flange concentric reducer and flange；
Reductor foundation sole plate fixes on the ground, and reductor floor one end is fixed on reductor foundation sole plate, another
End is fixed on feeder reductor sidewall；The microcephaly of flange concentric reducer is fixed on the porch of feeder reductor, and flange is big
The major part of microcephaly is fixed on one end of flange；
It also includes frequency conversion motor, axial flow blower, temperature sensor and independent current source；
The other end of flange is fixed on the bearing of frequency conversion motor, and the air outlet of axial flow blower is fixed on frequency conversion motor；
One end of independent current source is connected with axial flow blower feeder ear；Thermal resistor is arranged on frequency conversion motor, and temperature-sensitive
One end of resistor is connected with another feeder ear of axial flow blower, the other end of thermal resistor and the other end of independent current source
It is connected；
Described thermal resistor is negative temperature coefficient thermistor.
The beneficial effects of the utility model be frequency conversion motor use can being actually needed according to coal-burning boiler, regulation become
Frequently the rotating speed of motor；The use of axial flow blower, increases the heat dissipation capacity of frequency conversion motor, thus avoids and occur that feeder is overheated；
The use of independent current source avoids the air output of axial flow blower to be affected by frequency conversion motor；Thermal resistor achieves axial flow wind
The intelligent cooling of machine.Meanwhile, this feeder reduces the probability that load down handling failure occurs, it is ensured that the safety and stability of unit
Run；Shorten the repair and maintenance cycle, improve the safety of labor productivity and the person.
This utility model is suitable for coal-fired boiler in thermal power plant coal supply.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of feeder with frequency conversion motor described in detailed description of the invention one.
Fig. 2 is the circuit connection diagram of independent current source, thermal resistor and axial flow blower in detailed description of the invention one.
Detailed description of the invention
Detailed description of the invention one: combining Fig. 1 and Fig. 2 and present embodiment is described, the one described in present embodiment is with change
Frequently the feeder of motor, it includes reductor foundation sole plate 1, reductor floor 2, feeder reductor 3, flange concentric reducer 4 and
Flange 5；
Reductor foundation sole plate 1 fixes on the ground, and reductor floor 2 one end is fixed on reductor foundation sole plate 1, separately
One end is fixed on feeder reductor 3 sidewall；The microcephaly of flange concentric reducer 4 is fixed on the porch of feeder reductor 3, method
The major part of blue concentric reducer 4 is fixed on one end of flange 5；
It also includes frequency conversion motor 6, axial flow blower 7, temperature sensor and independent current source；
The other end of flange 5 is fixed on the bearing of frequency conversion motor 6, and the air outlet of axial flow blower 7 is fixed on frequency conversion motor 6
On；One end of independent current source 8 is connected with a feeder ear of axial flow blower 7；Independent current source 8 is for powering for axial flow blower 7；Heat
Sensitive resistor 9 is arranged on frequency conversion motor 6, and another feeder ear phase of one end of thermal resistor 9 and axial flow blower 7
Even, the other end of thermal resistor 9 is connected with the other end of independent current source 8, thermal resistor 9 be used for controlling independent current source 8 be
The electric current of axial flow blower 7 power supply；
Described thermal resistor 9 is negative temperature coefficient thermistor, and the temperature of negative temperature coefficient thermistor is the highest
Resistance is the least.
In the present embodiment, the resistance of thermal resistor 9 is along with the variations in temperature of frequency conversion motor 6, and realizes passing through
The electric current of axial flow blower 7 is controlled, and when the temperature of frequency conversion motor 6 is higher, becomes big by the electric current of axial flow blower 7, and then
Increase the air output of axial flow blower 7, make the temperature of frequency conversion motor 6 decline, it is achieved the intelligent cooling to frequency conversion motor 6.
Detailed description of the invention two: present embodiment be to described in detailed description of the invention one a kind of with frequency conversion motor to
Coal machine limits further, and in the present embodiment, the model of feeder reductor 3 is BYVP-3322-87-5.5.
Detailed description of the invention three: present embodiment be to described in detailed description of the invention one a kind of with frequency conversion motor to
Coal machine limits further, and in the present embodiment, the rated power of frequency conversion motor 6 is 5.5KW.
Detailed description of the invention four: present embodiment be to described in detailed description of the invention one a kind of with frequency conversion motor to
Coal machine limits further, and in the present embodiment, the output voltage of independent current source is 380V.
Claims (4)
1., with a feeder for frequency conversion motor, it includes that reductor foundation sole plate (1), reductor floor (2), feeder subtract
Speed machine (3), flange concentric reducer (4) and flange (5)；
Reductor foundation sole plate (1) fixes on the ground, and reductor floor (2) one end is fixed on reductor foundation sole plate (1),
The other end is fixed on feeder reductor (3) sidewall；The microcephaly of flange concentric reducer (4) is fixed on feeder reductor (3)
Porch, the major part of flange concentric reducer (4) is fixed on one end of flange (5)；
It is characterized in that, it also includes frequency conversion motor (6), axial flow blower (7), thermal resistor (9) and independent current source (8)；
The other end of flange (5) is fixed on the bearing of frequency conversion motor (6), and the air outlet of axial flow blower (7) is fixed on variable-frequency electric
On machine (6)；One end of independent current source (8) is connected with a feeder ear of axial flow blower (7)；Thermal resistor (9) is arranged on change
Frequently on motor (6), and one end of thermal resistor (9) is connected with another feeder ear of axial flow blower (7), thermal resistor
(9) the other end is connected with the other end of independent current source (8)；
Described thermal resistor (9) is negative temperature coefficient thermistor.
A kind of feeder with frequency conversion motor the most according to claim 1, it is characterised in that feeder reductor (3)
Model be BYVP-3322-87-5.5.
A kind of feeder with frequency conversion motor the most according to claim 1, it is characterised in that the volume of frequency conversion motor (6)
Determining power is 5.5KW.
A kind of feeder with frequency conversion motor the most according to claim 1, it is characterised in that the output electricity of independent current source
Pressure is 380V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620623637.0U CN205678698U (en) | 2016-06-22 | 2016-06-22 | A kind of feeder with frequency conversion motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620623637.0U CN205678698U (en) | 2016-06-22 | 2016-06-22 | A kind of feeder with frequency conversion motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205678698U true CN205678698U (en) | 2016-11-09 |
Family
ID=57431571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620623637.0U Active CN205678698U (en) | 2016-06-22 | 2016-06-22 | A kind of feeder with frequency conversion motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205678698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631168A (en) * | 2018-06-21 | 2019-12-31 | 青岛海尔空调器有限总公司 | Control method for air conditioner and air conditioner |
-
2016
- 2016-06-22 CN CN201620623637.0U patent/CN205678698U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631168A (en) * | 2018-06-21 | 2019-12-31 | 青岛海尔空调器有限总公司 | Control method for air conditioner and air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203116079U (en) | High efficiency gas combustion heating water heater | |
| CN202995429U (en) | Frequency conversion air-cooling control device of transformer | |
| CN202392990U (en) | Frequency conversion electric heating fan with carbon heat stick | |
| CN104950946A (en) | Heat radiation control system of high-voltage frequency converter | |
| CN106765069A (en) | Coal electricity generation boiler control system | |
| CN205678698U (en) | A kind of feeder with frequency conversion motor | |
| CN203323318U (en) | Variable flow energy-saving system for central air conditioner | |
| CN203798002U (en) | Photovoltaic direct-drive compressor unit | |
| CN203321846U (en) | Novel carbon fiber spinning axial flow fan | |
| CN206320737U (en) | Coal electricity generation boiler air intake control system | |
| CN205066496U (en) | Energy saving cooling tower | |
| CN208885381U (en) | A kind of energy-saving cooling device for diesel generating set | |
| CN204289023U (en) | A kind of heat abstractor being applied to dry-type transformer | |
| CN204787470U (en) | Air conditioner refrigerated water economizer system | |
| CN206600785U (en) | Coal electricity generation boiler water inflow control system | |
| CN204231240U (en) | Energy-saving scaled bulb tubular hydraulic generator cooling control system | |
| CN202652142U (en) | Frequency conversion-power frequency combined drive system for large and medium-sized centrifugal fans | |
| CN207892861U (en) | Novel DC air blower | |
| CN207691665U (en) | A kind of axial traction deceleration device | |
| CN202006523U (en) | Control circuit of injection-molding drying machine | |
| CN201747650U (en) | Air blower frequency-conversion control device used in wheat flour production workshop | |
| CN204993016U (en) | Boiler fan permanent magnetism speed governing economizer system | |
| CN203940406U (en) | Coal-burning boiler energy-saving control system | |
| CN203552864U (en) | Auxiliary cooling system for heat radiation of electric reactor | |
| CN103280985A (en) | Frequency converter capable of adjusting fan delivery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |