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E-mail
1832549464@qq.com
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Phone
18352321309
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Address
No. 188, Jinhu County Industrial Park, Huai'an City, Jiangsu Province
Jiangsu Jianheng Instrument Co., Ltd
1832549464@qq.com
18352321309
No. 188, Jinhu County Industrial Park, Huai'an City, Jiangsu Province
1、 Overview and Application of Heavy Hammer Level Gauge for Coal Powder Level GaugePrice of coal powder level gauge
The coal powder level gauge is installed at the top of the silo, and the detection process of the level gauge sensor is controlled by the signal sent by the control display. The mechanical transmission part of the heavy hammer level gauge consists of a reversible motor, screw, gear shaft, winding drum, sensitive lever, etc.
When the level gauge sensor receives a detection command, the motor rotates forward to drive the gear shaft and winding drum to rotate, causing the heavy hammer to descend from the top of the warehouse below the steel wire rope. When the heavy hammer drops to the material level, it is lifted up by the material level and loses weight. The steel wire rope relaxes, and the sensitive lever action makes the micro switch contact. The control display immediately sends a motor reverse command when it receives this signal. The heavy hammer rises and returns until the winding drum touches the top switch, the motor stops, and the heavy hammer returns to its original position at the top of the warehouse, completing a detection process.
During this process, the control display calculates the distance between the heavy hammer and the material level surface by detecting the number of revolutions of the winding drum, displays it digitally on the panel, and outputs a 4-20mA current on the rear panel terminal.
Scope of applicationPrice of coal powder level gauge
TG coal powder level gauge, measuring coal powder level gauge, a professional coal powder level gauge manufacturer in China; It is particularly suitable for measuring solid powders such as cement, fly ash, lime powder, coal powder, polystyrene, flour, melamine, etc. It can also be used to measure solid powders such as coal, ore, corn, wheat, glass, straw, garbage, steel plates, wooden boards, human bodies, automobiles, ships, plastic particles, etc. It is applied in metallurgy, mining, power plants, cement plants, grain processing, warehousing, security, water conservancy and hydrology industries. It can also be used for large-scale liquid measurement, such as measuring water surface on reservoirs, dams, bridges, and drilling platforms. ***It can reach up to 80 meters.
2、 Product features of coal powder level gauge:
*Structure and transmission mode
The steel wire rope is durable and has a lifespan twice that of other domestic brands of steel wire rope
Anti freeze, anti crash, intelligent protection circuit, intelligent alarm
Automatic and manual can be switched freely
Reliable operation, easy detection, low maintenance, and wide application range
The specific environment has minimal impact on the equipment and can adapt to harsh on-site environments
3、 Technical parameters of coal powder level gauge:
1. Mechanical transmission part of coal powder level gauge
Measurement range: 0-10/20/40 meters
Measurement accuracy: ± 1%
Repeatability: ± 1%
Resolution: ± 2cm
Detection speed: 0.14m/s
Measurement strip: stainless steel wire rope
Heavy hammer weight: 1.5Kg (0-20m), 2Kg (0-40m)
Power consumption: 90W
Environmental temperature: -10 ℃ -+60 ℃
Weight: 10 meters, 50 kilograms, 20 meters, 60 kilograms, 40 meters, 75 kilograms
Flange standard: JB81-59 outer diameter 195mm, aperture 18mm, hole center distance 160mm (PN1.0, DN80)
Outlet: M20 × 1.5
2. Coal powder level gauge control display

Power supply voltage: 220VAC ± 10% 50/60Hz
Power consumption: 15W at rest, 105W during motion
Environmental temperature: -30 ℃ -+60 ℃
Digital display: 4-digit LED displays the position of the material surface
Current output: 4-20mA DC
Timed running time: 30 minutes
Weight: 2Kg
4、 Measurement advantages of coal powder level gauge:
The low temperature resistance of the electronic bin of the coal powder level gauge can reach -40 ℃. The optical sensor isolation and sealing fundamentally avoid dust pollution. The optical measurement system of the heavy hammer level gauge, excellent drive motor, and heavy-duty steel cable can provide strong tensile resistance. The winding device ensures that there will be no issues with tangled wires or jumper wires.
5、 Comparison between coal powder level gauge and other measuring devices:
The coal powder level gauge is particularly suitable for level measurement in heavy dust environments. It can avoid the important defect of ultrasonic level gauges being unable to penetrate heavy dust and the accumulation of dust at the antenna base of radar level gauges. It is the best choice for measuring levels in heavy dust environments. The heavy hammer level gauge is widely used in harsh environments such as PVC powder silos, cement silos, and power plant ash silos, and has achieved success, receiving high praise from users.
6、 Application Guide for Coal Powder Level Gauge:
The coal powder level gauge can measure feed, chemicals, plastic particles, cement, stones, PVC powder, aggregates, liquids, coal, limestone, ground plastics, sand, powder, grains, oil, etc. Heavy hammer level gauges are commonly used in power plant ash silos, coal bunkers, slag silos, mud pits, etc.
7、 Specific advantages of coal powder level gauge:
1. Mechanical measurement, simple and reliable, strong dust resistance *
The range of the coal powder level gauge can reach up to 45.7 meters
3. The coal powder level gauge has multiple dust-proof designs (dust-proof brush, air inlet, measurement room isolation)
4. Not affected by the humidity and viscosity of the medium
5. The coal powder level gauge is not affected by the dielectric constant, conductivity, and thermal conductivity of the medium
6. Coal powder level gauge can also be used to measure special liquids such as mud, slurry, asphalt (high temperature), etc
8、 Precautions for coal powder level gauge:
1. The coal powder level gauge is mainly applied to solids with small particle size, and is not suitable for large-sized ores
2. The installation position is generally selected at around 1/6 of the diameter of the silo
3. When installing a heavy hammer level timer, try to avoid interference factors such as feeding ports, obstacles, and mixing blades as much as possible
9、 Debugging method of coal powder level gauge:
1. Range setting:
Press the "SET" button, the LED display and manual indicator light will turn red. Press the "" button to select the data bit to be modified (the selected data bit will flash). Press the "△" key to modify the data value of the selected bit (within the range of 0, 1, 2... 9). After completing the setting, press the "SET" button to confirm the modified parameter values, memorize and transfer to the measurement interval time setting. At this point, the indicator light is off.
2. Measurement interval time E setting:
After entering the interval time "E." setting, the monitor displays E. and the time value. Press the "" key to select the time data bit to be modified (the selected data bit flashes), and press the "△" key to modify the data value of the selected bit (within the range of 0, 1, 2... 9). Press the "SET" button to confirm the modified parameter value, memorize and transfer to the upper limit setting. If the upper and lower limit parameter values are not required to be set on site, the controller will return to the real-time level state and output a 4-20mA analog signal for setting the upper and lower limits on the secondary meter or computer in the control room.
3. Upper limit setting;
After entering the upper limit setting, the LED display flashes and the automatic indicator light displays in red. Press the "" key to select the data bit to be modified (the selected data bit flashes), press the "△" key to modify the data value of the selected bit (modification range 0, 1, 2... 9). Press the "SET" button to confirm the modified parameter values, memorize and switch to the lower limit setting. At this time, the display light is off.
4. Lower limit setting
After entering the lower limit setting, the LED display flashes and the overtravel indicator light displays in red. Press the "△" key to select the data bit to be modified (the selected data bit flashes), and then press the "△" key to modify the data value of the selected bit (within the range of 0, 1, 2... 9). Press the "SET" key to confirm the modified parameter value, remember and return the real-time level status.
5. Status setting:
In the state where the "work" indicator light is off, press the "manual/automatic" button continuously for 6 seconds, and the manual/automatic light will flip and switch to the corresponding state.
6. Working status:
Press the "Work" button, the work indicator light will turn on, and measurement will begin at the same time. After the measurement is completed, the display will show the height of the object level, and the probe will be suspended above to wait for the next measurement. The countdown of the measurement interval time ends in automatic mode, the work indicator light lights up to start automatic measurement, the measurement end display shows the height of the object level, and the probe is suspended above to wait for the next measurement.
7. Remote control status
In the state where the work indicator light is off, press the "remote control" button to turn on the work indicator light and remote indicator light, and start measuring at the same time. After the measurement is completed, the display will show the height of the object level, and the probe will be suspended above to wait for the next measurement. At this time, the work indicator light and remote indicator light are off.
10、 Measurement principle
The MLRD60 series radar level gauge transmits and receives extremely short microwave pulses with low emission energy through an antenna system. Radar waves travel at the speed of light. The running time can be converted into level signals through electronic components. A special time extension method can ensure stable and accurate measurements in a very short period of time. Even in complex working conditions with false echoes, the MLRD60 series radar level gauge can accurately analyze the echoes of the level using new microprocessor technology and debugging software.

input
The antenna receives reflected microwave pulses and transmits them to the electronic circuit. The microprocessor processes this signal and identifies the echoes generated by the micro pulses on the surface of the material. The correct recognition of echo signals is completed by intelligent software, with an accuracy of up to millimeter level. The distance D from the surface of the material is proportional to the time travel T of the pulse:
D=C×T/2
Where C is the speed of light
Since the distance E of the empty tank is known, the level L is:
L=E-D
output
By inputting the empty tank height E (=zero), full tank height F (=full range), and some application parameters to set, the application parameters will automatically adapt the instrument to the measurement environment. Corresponding to 4-20mA output.
Application medium:
The MLRD60 series radar level gauge is suitable for non-contact continuous measurement of the level of liquids, slurries, and particulate materials, and is suitable for large temperature and pressure changes; In situations where inert gases and volatiles are present.
The measurement method adopts microwave pulses and can operate normally within the industrial frequency range. The beam energy is low and can be installed in various metal and non-metal containers or pipelines, without causing harm to the human body and the environment.
Product Introduction:
MLRD600 series intelligent radar level instrument |
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Category |
MLRD604 |
MLRD604 |
MLRD605 |
Application |
Simple process conditions, corrosive liquids, slurries, and solids |
Corrosive liquids, slurries, and solids stored or processed in containers |
Adapt to various storage containers or process metering environments, including liquids, slurries, and solids |
Measurement range |
20 meters |
20 meters |
35 meters |
Process Connection |
thread |
flange |
flange |
Process temperature |
-40-130℃ |
-40-150℃ |
-40-250℃ |
Process pressure |
-1.0-3bar |
-1.0-20bar |
-1.0-40bar |
Repeatability |
± 3mm |
± 3mm |
± 3mm |
Accuracy |
< 0.1% |
< 0.1% |
< 0.1% |
Frequency range |
6.8GHz |
6.8GHz |
6.8GHz |
Explosion proof/protection level |
EXiaIICT6/IP68 |
EXiaIICT6/IP68 |
EXiaIICT6/IP68 |
Signal output |
4... 20mA/HART (two-wire) |
4... 20mA/HART two-wire) |
4... 20mA/HART (two-wire) |