CN201783232U - Concentration basin working condition monitoring system based on coal slime interface detection - Google Patents
Concentration basin working condition monitoring system based on coal slime interface detection Download PDFInfo
- Publication number
- CN201783232U CN201783232U CN2010202823299U CN201020282329U CN201783232U CN 201783232 U CN201783232 U CN 201783232U CN 2010202823299 U CN2010202823299 U CN 2010202823299U CN 201020282329 U CN201020282329 U CN 201020282329U CN 201783232 U CN201783232 U CN 201783232U
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- concentration basin
- interface instrument
- sonar
- working condition
- signal output
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Abstract
The utility model particularly relates to a concentration basin working condition monitoring system based on coal slime interface detection, which comprises a concentration basin and a concentrator. The concentration basin working condition monitoring system is characterized in that a harrow rack and a sonar interface instrument sensor probe are disposed in the concentration basin, a field PLC electric control cabinet, a wireless transmission module, a remote central control room, a sonar interface instrument transmitter and a main motor are arranged outside the concentration basin, the main motor drives the harrow rack to rotate, a signal output end of the sonar interface instrument sensor probe is connected with a signal input end of the sonar interface instrument transmitter, signal output ends of the main motor and the sonar interface instrument transmitter are connected with a signal input end of the field PLC electric control cabinet, a signal output end of the field PLC electric control cabinet is connected with a signal input end of the remote central control room, through the wireless transmission module and a signal output end of the remote central control room is connected with signal input ends of an underflow pump and a feeding system. The concentration basin working condition monitoring system has the advantages of stable performance, high automatic level and wide application.
Description
Technical field
The utility model is specifically related to a kind of concentration basin monitoring of working condition system that detects based on the coal slime interface.
Background technology
For the coal slime layer compacting zone of concentration basin, generally all be by manually surveying, the situation that the underflow pump is extracted clear water out can occur, being that the next link in the whole coal cleaning process in coal washery---centrifugal dehydration or press filtration have caused very big puzzlement with bar.
At present domestic have the single-chip microcomputer control technology of application concentration basin underflow pulp density is sampled and to regulate, and have by the electrical quantity data acquisition module coal washery concentration basin precipitation black water concentration is monitored, or the like.
These methods all are each parameter of measuring concentration basin indirectly operating modes of reflecting concentration basin, come from its operating mode characteristics.
For this process, should directly control it from its detection that precipitates characteristic, realize the purpose that its operating mode is monitored.
The utility model content
The purpose of this utility model provides a kind of on-line continuous monitoring, automatization level height, the widely used concentration basin monitoring of working condition system that detects based on the coal slime interface.
The utility model is achieved by the following technical solution:
It is a kind of concentration basin monitoring of working condition system that detects based on the coal slime interface, comprise concentration basin, thickener, thickener and feed pipe, medicine system connects, the bottom of concentration basin is provided with the underflow pump, the concentration basin outside is provided with on-the-spot PLC electrical control cubicles, wireless transport module, the remote control chamber, sonar interface instrument transmitter and main motor, described main driven by motor rake frame rotates, the signal output part of sonar interface instrument sensor probe is connected with the signal input part of sonar interface instrument transmitter, the signal output part of main motor and sonar interface instrument transmitter is connected with the signal input part of on-the-spot PLC electrical control cubicles, the signal output part of on-the-spot PLC electrical control cubicles is connected the signal output part of remote control chamber and underflow pump by the signal input part of wireless transport module with the remote control chamber, the signal input part of medicine system connects.
As an optimal way of the present utility model: sonar interface instrument sensor probe is positioned at apart from 2/3 place, concentration basin center.
As an optimal way of the present utility model: concentration basin also is provided with sonar interface instrument sensors clean structure outward, is used for sonar interface instrument sensor is carried out cleaning, guarantees the monitoring accuracy of sensor.
As an optimal way of the present utility model: main motor is provided with ZDB type intelligent protector for motor, the current signal in the time of can monitoring the motor operation in real time.When the situation that the rake frame pressed occurring, current of electric can increase suddenly, and this moment, intelligent protector for motor sent alarm signal and alert is handled.
The RS-232 communication interface is used for the signal of on-the-spot PLC electrical control cubicles is transferred to wireless transport module, with Wireless transmission mode on-site signal is transferred to the remote control chamber.
The signal that the utility model provides by system carries out FEEDFORWARD CONTROL and FEEDBACK CONTROL to the underflow pump action of concentration basin and the action of medicine system, thereby has really realized the closed-loop control of coal cleaning process.In addition, harrow the variation of the electric current (voltage and power) of frame, moment of torsion etc., reflect the concentration basin operating mode indirectly, detect checking mutually with the interface, and greatly reduce cost, improved the integrated level and the reliability of system by detecting concentration basin.
The utility model patent can be stabilized in optimum range with underflow according to the parameter of setting.According to the measured value of thickness and main current of electric, the moment of torsion etc. of detected clear water layer, mud bed, can control the addition of flocculant, determine the action of underflow pump.Monitor main motor operating current and judge the thickener load, guarantee not occur pressing the rake accident.
Use the utility model can be achieved as follows function:
1) guarantees flocbed at rational position, the optimization flocculant amount of feeding.
2) technological parameter and load have the function that high lower bound is reported to the police.
3) can show the tendency chart of observing and controlling parameter in real time, be convenient to engineering analysis judgement.
4) have historical record and statistical function, be convenient to overall manufacturing management and cost control.
5) can connect people's intranet, form factory automation system.
6) can reduce the coal washery production costs from the dosage of flocculant, the draining cost that reclaims the slag pool, minimizing four aspects such as slag volume, the water quality that improves recycle-water and the water yield from the slag thickener to the slag pool
The utlity model has stable performance, automatization level height, widely used advantage.The utility model has been realized the on-line continuous monitoring of coal slime parameter, and technology is simply effective, can effectively instruct production practices, has good popularizing application prospect.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a workflow block diagram of the present utility model.
As shown in FIG.: remote control chamber 1; 2 rake framves; 3 concentration basins; 4 overflow launders; 5 wireless transport modules; 6 intelligent protector for motor; 7 main motors; 8 sonar interface instrument cleaning mechanisms; 9 sonar interface instrument sensor probes; 10 on-the-spot PLC switch boards; 11 sonar interface instrument transmitters; 12 feeding pipes; 13 medicine systems; 14 underflow pumps.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further elaborated.
As shown in Figure 1: concentration basin 3 upper edges are provided with overflow launder 4; inside is provided with rake frame 2; main motor 7 is connected with rake frame 2 by conveyer belt; ZDB type intelligent protector for motor 6 is set on the main motor 7; the bottom of concentration basin 3 is provided with underflow pump 14; sonar interface instrument is divided into sonar interface instrument cleaning mechanism 8; sonar interface instrument sensor probe 9 and sonar interface instrument transmitter 11 3 parts; wherein sonar interface instrument sensor probe 9 is fixed on the stainless steel tube bottom of sonar interface instrument cleaning mechanism 8; sink to 100mm place under the liquid level then; sonar interface instrument cleaning mechanism 8 is fixed on the support that rotates with rake frame 2, requires sonar interface instrument sensor probe 9 to be positioned at apart from 2/3 place, concentration basin center.The signal output part of sonar interface instrument sensor probe 9 links to each other with the signal input part of sonar interface instrument transmitter 11 by the inner cabling of stainless steel tube, the signal output part of main motor 7 and sonar interface instrument transmitter 11 is connected with the signal input part of on-the-spot PLC electrical control cubicles 10, the signal output part of on-the-spot PLC electrical control cubicles 10 is connected with the signal input part of remote control chamber 1 by wireless transport module 5, and the signal output part of remote control chamber 1 is connected with the signal input part of underflow pump 14, medicine system 13.
When the utility model uses, can be achieved as follows several functions:
1) sinking speed of material monitoring
The precipitation concentration process of black water in concentration basin can be simplified to three districts.After the black water of need sedimentation was sent into concentration basin, the middle part was the free settling district, is the compressional zone below, is settling section on the free settling district, and primary water flows in the overflow launder 4, discharges as overflow (recirculated water).
Sonar interface instrument sensor probe 9 is transformed into the 4-20mA signal to mud position thickness and clear water thickness signal through sonar interface instrument transmitter 11 and is transferred in the PLC switch board 10.
Native system comes the operating mode of concentration basin 3 is monitored by the thickness of monitoring clear water layer and compression layer.By the variation of monitoring thickness of compressed layer, for control underflow pump 14 provides reference signal; By the varied in thickness of monitoring clear water layer, can learn the rate of settling in free settling district, thereby whether the dosage of judging medicine system this moment is suitable.
Under the normal condition, the free settling district is in a proper height.Narrow transition region shows an interface that solid-to-liquid ratio is clearly more demarcated, flocculant to add dose suitable; Broad transition region shows that sedimentation is bad, and the intermediate layer is in the sedimentation that slows down and hinder solid.Control the dose that adds that medicine system 13 is controlled flocculant by the thickness that detects the free settling district.
2) operating current of thickener and torque monitoring
Main motor 7 drives rake frame 2 and rotates, and changing appears along with the change of field working conditions in its operating current and moment of torsion.By 6 pairs of operating currents of intelligent protector for motor and torque monitoring; then situation about monitoring is transferred to on-the-spot PLC electrical control cubicles 10 inside with the form of 4-20mA signal; verify mutually by the on-the-spot PLC electrical control cubicles 10 and the sinking speed monitor signal of material, complement each other.
ZDB type intelligent protector for motor 6 is positioned at by the thickener master machine operation position; main motor 7 positions are divided into two kinds; a kind of top, thickener center that is positioned at directly drives the rake frame, and another kind is positioned at the operating room of concentration basin periphery by chain drive, the preferred second kind of scheme of the utility model.The operating position of intelligent protector for motor can specifically be selected according to on-site actual situations.
3) transmission of wireless signals
The wireless signal transmission techniques that adopted the utility model realizes the signal transmission between scene and the centralized control room.
The various signals of field instrument output are after PLC handles, be transferred in the wireless transport module 5 by RS-232, wireless transport module 5 transfers to remote control chamber 1 with Wireless transmission mode then, remote control chamber 1 can by wireless receiving module receive that signal that wireless transport module 5 sends transfers to host computer to signal by RS-232 then or behind converter output 4-20mA current signal transfer to the data acquisition end.
4) cleaning mechanism:
Sonar interface instrument cleaning mechanism 8 is positioned on the support of thickener rake frame, can set the working time to be spaced apart 5 minutes or 10 minutes.Each work period automated cleaning mechanism startup automatically drives stainless steel tube then and sonar interface instrument sensor probe 9 swings back and forth together, by swinging back and forth a dirt that is deposited on the sonar interface instrument sensor probe 9 is washed.Sonar interface instrument cleaning mechanism 8 can make sonar interface instrument sensor probe 9 operate as normal always, does not clean maintenance and maintenance etc. and do not need the user to take out sensor probe.
Claims (4)
1. concentration basin monitoring of working condition system that detects based on the coal slime interface, comprise concentration basin, thickener, thickener and feed pipe, medicine system connects, the bottom of concentration basin is provided with the underflow pump, it is characterized in that being provided with in the concentration basin rake frame and sonar interface instrument sensor probe, the concentration basin outside is provided with on-the-spot PLC electrical control cubicles, wireless transport module, the remote control chamber, sonar interface instrument transmitter and main motor, described main driven by motor rake frame rotates, the signal output part of sonar interface instrument sensor probe is connected with the signal input part of sonar interface instrument transmitter, the signal output part of main motor and sonar interface instrument transmitter is connected with the signal input part of on-the-spot PLC electrical control cubicles, the signal output part of on-the-spot PLC electrical control cubicles is connected the signal output part of remote control chamber and underflow pump by the signal input part of wireless transport module with the remote control chamber, the signal input part of medicine system connects.
2. the concentration basin monitoring of working condition system that detects based on the coal slime interface according to claim 1 is characterized in that sonar interface instrument sensor probe is positioned at apart from 2/3 place, concentration basin center.
3. the concentration basin monitoring of working condition system that detects based on the coal slime interface according to claim 1 is characterized in that also being provided with in the concentration basin sonar interface instrument sensors clean structure.
4. the concentration basin monitoring of working condition system that detects based on the coal slime interface according to claim 1 is characterized in that main motor is provided with ZDB type intelligent protector for motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202823299U CN201783232U (en) | 2010-08-04 | 2010-08-04 | Concentration basin working condition monitoring system based on coal slime interface detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202823299U CN201783232U (en) | 2010-08-04 | 2010-08-04 | Concentration basin working condition monitoring system based on coal slime interface detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201783232U true CN201783232U (en) | 2011-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202823299U Expired - Fee Related CN201783232U (en) | 2010-08-04 | 2010-08-04 | Concentration basin working condition monitoring system based on coal slime interface detection |
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| CN (1) | CN201783232U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506779A (en) * | 2011-11-11 | 2012-06-20 | 山西晋城无烟煤矿业集团有限责任公司 | Working condition real-time monitoring device of coal preparation thickening tank |
| CN103940710A (en) * | 2014-03-19 | 2014-07-23 | 中国神华能源股份有限公司 | Slime settling velocity measuring method |
| CN104991511A (en) * | 2015-07-31 | 2015-10-21 | 云南大红山管道有限公司 | Thickener signal wireless transmission system |
| CN107469415A (en) * | 2017-09-22 | 2017-12-15 | 中国恩菲工程技术有限公司 | For concentrator thickening pond and there is its concentrator |
| CN114602216A (en) * | 2022-03-07 | 2022-06-10 | 茌平信发华宇氧化铝有限公司 | Automatic monitoring system for red mud settling tank |
-
2010
- 2010-08-04 CN CN2010202823299U patent/CN201783232U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506779A (en) * | 2011-11-11 | 2012-06-20 | 山西晋城无烟煤矿业集团有限责任公司 | Working condition real-time monitoring device of coal preparation thickening tank |
| CN103940710A (en) * | 2014-03-19 | 2014-07-23 | 中国神华能源股份有限公司 | Slime settling velocity measuring method |
| CN104991511A (en) * | 2015-07-31 | 2015-10-21 | 云南大红山管道有限公司 | Thickener signal wireless transmission system |
| CN107469415A (en) * | 2017-09-22 | 2017-12-15 | 中国恩菲工程技术有限公司 | For concentrator thickening pond and there is its concentrator |
| CN107469415B (en) * | 2017-09-22 | 2023-09-19 | 中国恩菲工程技术有限公司 | Thickener tank for thickener and thickener with thickener tank |
| CN114602216A (en) * | 2022-03-07 | 2022-06-10 | 茌平信发华宇氧化铝有限公司 | Automatic monitoring system for red mud settling tank |
| CN114602216B (en) * | 2022-03-07 | 2023-10-20 | 茌平信发华宇氧化铝有限公司 | Automatic monitoring system for red mud settling tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 255086 Shandong province Zibo City Yumin Road hi tech Development Zone No. 169 Patentee after: Shandong Borun Process Industrial Technology Corp., Ltd. Address before: 255000 Shandong province Zibo City Yumin Road hi tech Development Zone No. 169 Patentee before: Shandong Borun Process Industrial Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20160804 |