Product Introduction

The Fully Automatic Gas Adsorption Constant Determination Instrument (hereinafter referred to as the instrument) is primarily used to determine the adsorption constants (a and b values) of coal for gas during the measurement of coal mine gas content. Based on these values and the actual gas pressure measured underground, the gas content per ton of coal seam can be calculated.

Usage Environment and Performance Features

1. Usage Environment

(1) Operating temperature: 0–40°C;

(2) Relative humidity: ≤95%;

(3) Atmospheric pressure: 80 kPa–106 kPa;

(4) Mechanical environment: Suitable for environments without significant vibration or impact; the laboratory should be free from strong magnetic field interference.

2. Performance Features

The device is designed with an integrated concept, incorporating the main systems of vacuum degassing and high-pressure adsorption internally. This replaces the traditional decentralized operation mode, improving testing efficiency and accuracy;

The device features a high degree of intelligent operation, with automated and intelligent experimental processes integrated into the system control software. It is easy to operate, provides scientifically accurate data, and reduces human error;

The entire measurement process is automatically controlled without the need for manual operation; the constant temperature water bath automatically drains and includes a water level indicator function;

Data charts are collected under computer control, and experimental reports and charts can be customized and printed;

The high-pressure adsorption process is controlled by solenoid valves, automatically adjusting different pressure points and capturing real-time data;

The data analysis software features a user-friendly interface, is simple to operate, automatically outputs data results, and automatically fits the adsorption isotherm curve.

II. Technical Parameters

Sensor measurement range: 0–10 MPa;

Accuracy: 0.001 MPa

Measurement parameters: a and b values;

Weighing system: Measurement range 0–200 g

Accuracy: 0.1 mg

Experiment time: 48 h;

Degassing time: 4 h;

Air tightness: ≤10 Pa;

Power supply: 220 V;

Methane concentration: 99.99%