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Online gas calorific value analysis system

  • Brand: Sinzen
  • Model: TK-6000
  • Manufacturer: Shandong Xinze Instrument Co., Ltd.
  • Order number:
product manual

I. Detection of process points and measuring components

TK-6000 gas calorific value analysis system

Detection point: the gas main pipe after the pressurizer of the gas pressurizing station or the gas main pipe before the combustion point

Detection components: CO, CH 4 , H 2

Analysis purpose: To provide data guidance for combustion control and process requirements.

4-20MA ),可通过总控室参与联锁控制 Interlocking control: This system has automatic sampling, automatic purging, automatic drainage, automatic analysis output (signal output 4-20MA ), and can participate in interlocking control through the main control room

Choice of analytical instruments: electrochemical, magnetic oxygen, Siemens

与燃烧法的技术比较优势和 热值的计算 Second, the comparative advantage of the combustion method and the calculation of the heating value

The traditional calorific value analysis of coal gas uses the combustion method. Its basic principle is to take out the coal gas after pretreatment and send it to the gas chamber for combustion. The calorific value of the coal gas is detected by the temperature change. Because industrial gas is generally dirty and contains tar, dust, water vapor, benzene, naphthalene and other substances, the sampling pipeline and the combustion gas chamber are often blocked in actual use, which affects the normal operation of the equipment. At the same time, the change of gas temperature, pressure and flow will affect the accuracy of the analysis value.

This system uses the analysis method to analyze the calorific value of coal gas. The principle is to convert the calorific value of coal gas by analyzing the content of combustible gas in the coal gas. Our company uses multiple filtering technology to effectively solve the problem of easy clogging of sampling probes and sampling pipelines. The analysis system can measure the volume percentage concentration of each component in the gas through infrared and thermal conductivity gas analysis instruments. The entire working process of the system is automatically controlled by a programmable controller (PLC). The volume percentage content of each component The corresponding 4-20mA current signal is connected to the PLC analog input and output module. Since each component has a different concentration, according to the relationship between the volume percentage of the component and the concentration of the corresponding single component, by building a mathematical model, The analysis of the mixed gas can be obtained through mathematical formula calculation. The component calculation process is realized by programmable logic controller (PLC) software programming.

Third, the main technical parameters of the system

(1) Measuring range: (optional component) (optional range);

(2) Maximum allowable error: ± 0.1% FS;

(3) Resolution: 0.01%;

(4) Stability: zero drift ± 1% FS / 7d;

Range drift ± 1% FS / 7d;

(5) Repeatability: 0.1%;

(6) Preheating time: 10min;

(7) Sample gas flow: (0.3 ~ 0.5) L / min;

(8) Sample gas connection size: G1 / 2;

(9) Electrical interface size: 1 / 2NPT;

(10) Working power: AC220V ± 10%, 50HZ;

(11) Working environment: temperature -5 ℃ ~ + 45 ℃;

Humidity ≤90% RH;

(12) Explosion-proof grade: ExdIICT6;

(13) Analog output: 4-20mA;

(14) Sample gas pressure: 0.05MPa≤inlet pressure≤0.1Mpa.

Fourth, system characteristics

取样探头免维护,新泽公司创新设计,过滤原理创新,根本解决堵塞问题。 u The sampling probe is maintenance-free. The innovative design of Xinze Company and the innovative filtering principle solve the problem of clogging. Soot filtering capacity is less than 200g / NM3, and maintenance is small.

系统响应时间<10S,仪表响应时间<1.5S,抽气泵流量大(6L/min),系统响时间<10S是国内同类产品中最快的。 u System response time <10S, instrument response time <1.5S, large suction pump flow (6L / min), system response time <10S is the fastest of similar products in China. Effectively guide production safety.

系统过滤精度≤0.1μm uSystem filtering accuracy≤0.1μm

系统可靠性MTBF>3年 uSystem reliability MTBF > 3 years

产品性价比高,1套系统可实现多组份同时在线检测。 u The product is cost-effective, and one system can achieve simultaneous online detection of multiple components.

系统为全干法过滤,取样不失真,分析准确。 The u system is a completely dry filtering method, and the sampling is not distorted and the analysis is accurate.

真正完全无人管理的全自动化系统。 u Fully automated system that is truly completely unmanaged.

热值直观显示,时时观察热值变化。 u The heating value is displayed visually, and the heating value changes are observed from time to time.

实时监测,全自动化触摸屏控制,真正做到全天候24小时在线监测。 u Real-time monitoring, fully automatic touch screen control, truly real-time online monitoring 24 hours a day.

新泽仪器TK-6000型在线煤气热值分析系统


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