CN210014832U - Quantitative feeding rotor scale - Google Patents
Quantitative feeding rotor scale Download PDFInfo
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- CN210014832U CN210014832U CN201920553902.6U CN201920553902U CN210014832U CN 210014832 U CN210014832 U CN 210014832U CN 201920553902 U CN201920553902 U CN 201920553902U CN 210014832 U CN210014832 U CN 210014832U
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Abstract
The utility model discloses a quantitative feeding rotor scale, which comprises a scale body, wherein the scale body is arranged above a frame, a feed inlet is arranged above the scale body, a pneumatic valve is arranged on the feed inlet, knife edge components are arranged on two sides of the scale body, the interior of the scale body is provided with a weighing unit and a rotor blade, the upper end of the rotor blade is connected with a speed reducing motor through a connecting block, the speed reduction motor is provided with a speed measurement unit, one end of the upper part of the scale body far away from the feed inlet is provided with a flow-assisting air interface, the flow-assisting air interface is communicated with the inside of the scale body, the bottom of the scale body is provided with a discharge hole, one side of the machine frame is provided with a control unit, the scale body is provided with a dust collecting interface which is positioned between the feed port and the gear motor, the weighing unit comprises a weighing bracket and a weighing sensor, and the weighing bracket is vertically arranged in the horizontal direction. The utility model has the advantages that: the equipment configuration is reasonable, the feeding is uniform, the metering is accurate, and the operation is stable and reliable.
Description
Technical Field
The utility model relates to kiln tail raw meal quantitative feed technical field specifically indicates a quantitative feed rotor scale.
Background
The prior rotary kiln raw material feeding process comprises the following steps: a weighing bin is arranged below the raw material homogenizing bin, and raw materials in the weighing bin are conveyed and lifted into the kiln after being controlled by a flow regulating valve and metered by a metering device. The flow regulating valve is a regulating mechanism for controlling the real-time feeding amount of raw materials, and the metering device meters the raw materials entering the kiln.
The feeding of the punching plate flowmeter has the following problems: the opening degree and the flow nonlinearity of a large valve are influenced by the changes of the material level, the gas-material ratio and the like of a weighing bin; and secondly, the metering device and the flow regulating valve form closed-loop control, regulation lag exists, the measured flow deviation is always sent to a flow, and the valve is always in a passive regulation state to cause fluctuation and influence on the service life of the valve. The two defects comprehensively affect the feeding stability of the raw materials entering the kiln, the instability of the raw material feeding causes the instability of the thermal regulation of a rotary kiln system, the output and the quality of clinker are affected, the coal consumption is high, the service life of a kiln lining is short, and the emission concentration of nitrogen oxides is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a quantitative feeding rotor scale, which aims to solve the technical defects.
In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a quantitative feed rotor scale, includes the balance body, the balance body set up in the frame top, balance body top one side be equipped with the feed inlet, the feed inlet on be equipped with the pneumatic valve, balance body both sides be equipped with edge of a knife subassembly, the internal portion of balance be equipped with weighing unit and rotor blade, rotor blade upper end pass through the connecting block and connect gear motor, gear motor on be equipped with the unit that tests the speed, balance body top the one end of keeping away from the feed inlet be equipped with and flow the wind interface, flow the wind interface intercommunication balance internal portion of flowing, balance body bottom be equipped with the discharge gate, frame one side be equipped with the control unit, control unit electric connection pneumatic valve, gear motor, the unit that tests the speed and the weighing unit.
As an improvement, the scale body is provided with a dust collection interface which is positioned between the feeding hole and the speed reducing motor and is used for effectively collecting raised dust generated in the feeding and weighing processes.
As an improvement, the weighing unit comprises a weighing support and a weighing sensor, the weighing support is vertically arranged in the horizontal direction, and the weighing sensor is arranged in a hanging mode and keeps vertical naturally.
As an improvement, the control unit is composed of a PLC (programmable logic controller), a touch panel, a frequency converter and the like, RS485 bus communication is adopted, the anti-interference capability is high, the data accuracy is high, a simple and visual operation interface and trend display are realized, the operability of a human-computer interface is high, the remote operation detection, fault diagnosis and maintenance functions are realized, and high-quality service is provided for users in a shorter time at the fastest speed.
Compared with the prior art, the utility model the advantage lie in: in the device provided by the utility model, the large-flow powder is accurately metered and controlled and is not influenced by the change of system parameters; the metering and control are integrated, the device is reliable and durable, and the maintenance is simple and convenient; the sealing structure is processed at high precision, so that material punching is effectively prevented; the quasi-linear adjusting mechanism can adjust quickly. The change of the set quantity or the disturbance, the flow tracking is rapid, no lag or oscillation exists, and the real-time control deviation is less than or equal to +/-0.5%; the method has the characteristics of simple calibration and accurate measurement. The metering error after calibration is less than or equal to +/-0.5 percent; RS485 bus communication is adopted among the equipment control units, so that the anti-interference capability is strong, and the data precision is high; the method has the advantages of simple and visual operation interface and trend display, and strong operability of a human-computer interface; the system has the functions of remote operation detection, fault diagnosis and maintenance, and provides high-quality service for users at the highest speed in a shorter time; the control system can be embedded into the temperature control of the decomposing furnace, detect the temperature of the outlet of the decomposing furnace and automatically adjust the set flow of the pulverized coal scale so as to ensure that the pulverized coal scale is stabilized within the set temperature range.
Drawings
Fig. 1 is a schematic structural view of the quantitative feeding rotor scale of the present invention.
As shown in the figure: 1. the device comprises a scale body, a pneumatic valve, a feeding port, a speed reducing motor, a speed measuring unit, a knife edge assembly, a rack, a discharging port, a weighing unit, a rotor blade, a dust collecting interface, a flow assisting air interface and a control unit, wherein the scale body comprises a scale body 2, a pneumatic valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a quantitative feed rotor scale, includes the balance body 1, the balance body 1 set up in frame 7 top, 1 top one side of the balance body be equipped with feed inlet 3, feed inlet 3 on be equipped with pneumatic valve 2, 1 both sides of the balance body be equipped with edge of a knife subassembly 6, 1 inside weighing unit 9 and the rotor blade 10 of being equipped with of the balance body, rotor blade 10 upper end pass through the connecting block and connect gear motor 4, gear motor 4 on be equipped with speed measuring unit 5, 1 top of the balance body keep away from the one end of feed inlet 3 and be equipped with flow aiding wind interface 12, flow aiding wind interface 12 communicate 1 inside the balance body, 1 bottom of the balance body be equipped with discharge gate 8, 7 one side of frame be equipped with the control unit 13, control unit 13 electric connection pneumatic valve 2, gear motor 4, speed aiding wind interface 5 and weighing unit 9.
The scale body 1 is provided with a dust collecting interface 11, and the dust collecting interface 11 is positioned between the feed port 3 and the speed reducing motor 4.
The weighing unit 9 comprises a weighing support and a weighing sensor, the weighing support is vertically arranged in the horizontal direction, and the weighing sensor is arranged in a hanging mode and keeps vertical naturally.
The control unit 13 is composed of a PLC controller, a touch panel, a frequency converter and the like and is communicated by an RS485 bus.
The utility model discloses a theory of operation: installing a frame 7, paying attention to ensure the bearing capacity and the stable design of the frame 7, and the installation levelness of a platform plane, hoisting a scale body, powder is fed into the scale body 1 by a pneumatic valve 2, the powder is rotated by a rotor blade 10, the powder is brought to a discharge port 8 from a feed port 3, and fed into subordinate equipment, when the scale is removed, a control unit 13 records the tare weight, when the belt material runs, the powder is pneumatic, the scale body 2 is opened, so that the material in the scale body 1 is uniformly filled, a weighing unit 9 measures the weight of the material in the scale body, a speed measuring unit 5 detects the rotation speed of a rotor shaft, a control unit 13 calculates the instantaneous flow and the accumulated amount, and calculates the required speed according to the set flow and the current material weight, the rotation speed of the rotor blade 10 is adjusted by fast and accurate control output, and continuous and high.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (4)
1. The utility model provides a ration feed rotor scale, includes balance body (1), its characterized in that: balance body (1) set up in frame (7) top, balance body (1) top one side be equipped with feed inlet (3), feed inlet (3) on be equipped with pneumatic valve (2), balance body (1) both sides be equipped with edge of a knife subassembly (6), balance body (1) inside be equipped with weighing unit (9) and rotor blade (10), rotor blade (10) upper end connect gear motor (4) through the connecting block, gear motor (4) on be equipped with unit (5) that tests the speed, balance body (1) top one end of keeping away from feed inlet (3) be equipped with flow-assistant wind interface (12), flow-assistant wind interface (12) communicate balance body (1) inside, balance body (1) bottom be equipped with discharge gate (8), frame (7) one side be equipped with control unit (13), control unit (13) electric connection pneumatic valve (2), The device comprises a speed reducing motor (4), a speed measuring unit (5) and a weighing unit (9).
2. A dosed feed rotor scale according to claim 1, wherein: the scale body (1) on be equipped with dust collection interface (11), dust collection interface (11) be located between feed inlet (3) and gear motor (4).
3. A dosed feed rotor scale according to claim 1, wherein: the weighing unit (9) comprises a weighing support and a weighing sensor, the weighing support is vertically installed in the horizontal direction, and the weighing sensor is installed in a hanging mode and keeps vertical naturally.
4. A dosed feed rotor scale according to claim 1, wherein: and the control unit (13) is composed of a PLC (programmable logic controller), a touch panel, a frequency converter and the like and is communicated by an RS485 bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920553902.6U CN210014832U (en) | 2019-04-23 | 2019-04-23 | Quantitative feeding rotor scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920553902.6U CN210014832U (en) | 2019-04-23 | 2019-04-23 | Quantitative feeding rotor scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210014832U true CN210014832U (en) | 2020-02-04 |
Family
ID=69315537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920553902.6U Active CN210014832U (en) | 2019-04-23 | 2019-04-23 | Quantitative feeding rotor scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210014832U (en) |
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2019
- 2019-04-23 CN CN201920553902.6U patent/CN210014832U/en active Active
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