Constant sulphur appliance with airflow balancing device

Abstract

The invention discloses a sulfur determination instrument with an air flow balance device, which includes a furnace body fixed on the bottom plate, a control mechanism, an electrolytic cell, a drying device, a flow meter and a pump connected in sequence through pipelines, and the furnace body is equipped with The combustion tube and the electrolytic cell are connected to the tail end of the combustion tube through pipelines. The inlet end of the furnace body is provided with a sample delivery nozzle, which is connected to the sample delivery device. The pump inlet pipe of the pump is connected to the flow meter through the main air pipe. The pump intake pipe of the pump is connected with the air flow balance device, which includes one or more branch air intake pipes and the regulating valve installed on the branch air intake pipe, and the pump air intake pipe of the pump is connected with the branch air intake pipe . The invention can not only ensure the long-term stability of the gas flow within the range required by the experiment, reduce the load of the pump, prolong its service life, but also ensure the stability of the flow value at any time without instantaneous fluctuations, which is convenient for reading, detection and control. It provides a favorable guarantee for the automation of the whole machine and the improvement of measurement accuracy.

Description

technical field [0001] The invention mainly relates to the field of measuring equipment for sulfur content in combustible substances, in particular to a sulfur determination instrument with an air flow balancing device. Background technique [0002] Sulfur is the most important harmful component in coal samples. It mainly exists in coal in the form of elemental sulfur, sulfide and sulfate. The sulfide contained in coal will generate harmful SO after combustion. 2 and SO 3 Gas and fly ash are discharged into the atmosphere along with flue gas, causing air and environmental pollution. Therefore, the detection of sulfur content in coal samples is a very important task for coal production, sales, use, and environmental protection departments. In the prior art, in order to accurately and quickly measure the sulfur content in combustible substances, a sulfur meter is generally used as a common measuring device. In various measuring equipment, such as sulfur meter, etc., the coul...

AI Technical Summary

Problems solved by technology

Since the airflow is generally generated by the electromagnetic suction movement of the air bowl, and the AC power supply is often used to work continuously, the air flow in and out of the pump is unbalanced, resulting in unstable airflow, that is, instantaneous jumping and fatigue of the air bowl over time, resulting in Flow Gradually Decreases

When the air flow changes, the sulfur content is difficult to measure accurately, which affects the accuracy of the measurement, and the life of the pump is also shortened due to the unbalanced load

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