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Hebi Keda Instrument Co., Ltd Main products: calorimeter, sulfur detector, sulfur analyzer, coal analyzer series, colloid layer tester, muffle furnace, box type high temperature furnace series, calorific value, ash melting point series

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Current location: Baichuan.com > Instruments and Apparatuses > Analysis instrument > Sulfur determinator > Hebi Keda Instrument Co., Ltd > Product display > Sulfur measuring instrument > Automatic sulfur analyzer >Wdl-9a coal microcomputer sulfur analyzer in Coal Preparation Plant

Wdl-9a coal microcomputer sulfur analyzer in Coal Preparation Plant

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Brand name: $brandmodel.title (imported brand) model: Origin: Mainland China Release time: October 24, 2018 11:40:10 Update time: 2020 / 8 / 14 10:20:01

Product summary: Wdl-9a coal microcomputer sulfur determinator in coal preparation plant; it is controlled by microcomputer automatically, more convenient, windows operating system, high degree of automation; adopting integrated structure, automatically judging titration end point, shortening the experimental time; arc surface design, unique side sliding door technology; using unique data acquisition network and multi-level correction technology to ensure the accuracy of the determination results.

Product perfection: Number of visits: thirty-two

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Members of Baichuan intermediate Edition: four year

Industrial and commercial certification [certified]

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Enterprise type: Manufacturer [certified]

Registered capital: RMB 10000 [certified]

Number of products: three hundred and thirty-two

Number of visits: two hundred and eight thousand five hundred and twelve

Mobile website: http://m.caijubei.com/c54987/

Shop address: http://http://www.hebikeda.com

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Sulfur measuring instrument

Calorimeter

Details

Wdl-9a coal microcomputer sulfur analyzer in Coal Preparation Plant It is suitable for electric power, coal, metallurgy, petrochemical, environmental protection, cement, papermaking, geological investigation, scientific research institutions and other industrial departments to measure the total sulfur content in coal, coke and petroleum, which conforms to the national standard GB / t214-2007 "determination method of total sulfur in coal".
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Performance features:
1. Wdl-9a microcomputer sulfur determinator is controlled by microcomputer automatically, which is more convenient, windows operating system and high degree of automation
2. The end point of titration can be determined automatically by using the one-body structure, which can shorten the experimental time.
3. The unique data acquisition network and multi-stage correction technology are adopted to ensure the accuracy of the determination results.
4. Electronic switch is used in the sample sending mechanism, which has high reliability and no over electrolysis.
5. Serial communication technology, can use USB communication, good compatibility, has a wide range of applicability.
6. Free setting of sample delivery time and preset temperature.
7. Imported Hall element is used to control the position of sample delivery.
8. Unique design, curved door
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Wdl-9a coal microcomputer sulfur analyzer in Coal Preparation Plant Technical parameters:
Sulfur measurement range: 0-100%
Test temperature: 1150 ℃
Heating time: ≤ 25 minutes
Analysis time: about 3-10 minutes
Resolution: 0.001%
Sulfur measurement accuracy: in line with the national standard
Output power: ≤ 2.5kW
Working voltage: AC220 V, 50 Hz

Wdl-9a microcomputer sulfur analyzer is a kind of precise sulfur measuring equipment. The whole experiment process is controlled by computer. The instrument is designed in an integrated way. It can send samples automatically, judge titration end point automatically, and use USB communication. It has good compatibility and wide applicability. It is mainly used in the laboratory of coal washing plant, brick factory, coking plant, building materials, petroleum, coal, college and scientific research department. Before using, check all parts of the instrument carefully to ensure that the experiment can be completed accurately and quickly.
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Before the experiment, the examination steps were as follows:
1. Before starting the machine every time, be sure to check whether the various states of the instrument are normal, especially whether the sample sending mechanism is in place, whether there is porcelain boat and whether the position is correct.
2. Check whether the sample sending rod is deformed or bent. If it is deformed, it can be corrected by burning the sample stick in red (if it is calibrated at normal temperature, the sample bar is easy to break). Check whether there are foreign matters in the sample sending tank, and clean them if any. Then observe whether the sample sending rod is installed in the correct position.
3. During the operation of the instrument, it is necessary to check whether all parts work normally. The porcelain boat of the waste sample box should be moved to the side with tools (to prevent the porcelain boat from accumulating too much and jamming the sample sending rod). Check whether the instrument has abnormal sound. If there is any abnormality, turn off the power button immediately to eliminate the fault.
4. The instrument should be placed on the horizontal cement working table. During the working period, it is forbidden to move, collide, beat and other vibration actions.
5. Learn to use the porcelain boat tweezers when placing the porcelain boat at the sample delivery port. It is strictly forbidden to put it in by hand and lofting during continuous sample delivery.
Notice to users: any violation of the above provisions, abnormal work, it is very likely to cause a major failure of the machine and the loss of coal samples not yet made.

Common faults and troubleshooting
【1】 The air tightness of the air passage is decreased
The flow meter indication should be between 0.8 and 1.0. If the air tightness decreases, the following parts should be inspected: air pump, flowmeter, glass tube, rubber pipe and gas connection.
【2】 Electrolytic cell
1. The air leakage of electrolytic cell leads to the decrease of air tightness.
2. The four electrode plates in the electrolytic cell have dirt and should be cleaned
3. The four electrodes in the electrolytic cell should be connected with the controller reliably.
【3】 Agitator:
The magnetic force of the stirring rod is dissipated, which is the common reason for the phenomenon of mixing out of step, so it should be replaced.
【4】 Temperature control part
1. A. the temperature has been displayed at 1999 ℃, indicating that the thermocouple is not connected or its internal circuit is open.
B. The temperature does not increase all the time, but heating current indicates that the thermocouple is connected reversely.
C. If the temperature always shows room temperature, it indicates that the thermocouple wire is short circuited.
2. If the temperature value is less than the set furnace temperature, there should be heating furnace flow. If the furnace flow is 0.0A, it means that the fuse tube is broken, and the silicon carbon tube itself is open circuited or the wiring is not connected.
3. The constant temperature fluctuation is too large, which is generally the reason for the silicon carbon tube. The resistance value should be 7 ~ 8 Ω. It is recommended to purchase the original accessories of our company
【5】 Sample delivery mechanism
In order to cooperate with the fault diagnosis of the sample machine, the main board of the instrument is provided with four indicator lights. When the specific fault occurs, the fault position can be judged according to the indication of the indicator light.
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1: The indicator should be on when the motor is moving forward.
2: When the motor moves backward, the indicator should be on.
3: The indicator light should be on when the sample sending mechanism is at 500 ℃ or at 1100 ℃.
4: When the sample sending mechanism is in the original position, the indicator light should be on.
9、 Reagents and materials
1. Tungsten trioxide (hg10-1129)
2. Color changing silica gel: industrial product
3. Potassium iodide (GB / t1272)
4. Potassium bromide (GB / t649)
5. Glacial acetic acid (GB / t676)
6. Distilled water
Attachment:
1. On the preparation of electrolyte
Weigh 5 g potassium iodide and 5 g potassium bromide, dissolve them in 250 ml distilled water, and then add 10 ml glacial acetic acid. The electrolyte can be reused, and the time used depends on the number of times of reuse and the sulfur content of the sample. When the pH value of the electrolyte is 1-3, it can be used, but when the pH value is less than 1, the electrolyte should be prepared again.
2. On the preparation of coal sample
Before weighing the sample, the sample in the sample bottle should be mixed evenly as much as possible. Hold the top of the sample bottle with the cover by hand, and move the wrist from top to bottom in a circle. Do not shake the sample bottle up and down. Or open the bottle cap and stir the sample with a weighing spoon. The key to ensure the accuracy and accuracy of the results is the sufficient mixing of samples.
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