Metallurgical Industry Solutions

Scheme Overview

Steelmaking encompasses numerous production processes, including ironmaking, steelmaking, and rolling. During these processes, combustible gases and inert gases are used as fuels or protective gases, while also generating large volumes of process gases. Accurately detecting and analyzing the concentrations of these gases plays a critically important role in optimizing production, ensuring safety, recovering energy, and promoting environmental protection and energy efficiency.

Ruiheng Measurement & Control’s gas analysis technology can accurately and reliably measure the concentrations of various industrial gases, providing comprehensive gas analysis solutions for the metallurgical industry. With high-quality products and services, we have consistently earned unanimous praise from our customers.

Product Features

Blast Furnace Process Points and System Selection Table

Serial number	Testing point	Use	Components and Range	Select probe	Select instruments	System name and model
A1	After the gravity dust collector	Process Optimization Control	CO: 0-30% CO2: 0-40% CH4: 0-1% 02: 0-3% H2: 0-5%	RHCK-TZ200 Straight-tube type	NR710L	Blast Furnace Gas Online Analysis System ST9600CN
A2	After the baghouse dust collector	Process Optimization Control	CO: 0-30% CO2: 0-40% CH4: 0-1% 02: 0-3% H2: 0-5%		NR710L	Blast Furnace Gas Online Analysis System ST9600CN
A3	Hot air furnace outlet	Combustion control	02: 0-21%		NR710L	Flue Gas Analysis of the Hot Blast Stove System ST9600CN

Blast Furnace Coal Injection Process Points and System Selection Table

Serial number	Testing point	Use	Components and Range	Select probe	Select instruments	System name and model
A4	Coal mill inlet	Security Monitoring	O: 0-21%	RHCK-TT-R Heating Type	NR710L	Blast Furnace Gas Online Analysis System ST9600CN
A5	Coal mill outlet		O₂: 0-21%
A6	Baghouse outlet		CO: 0-2000 ppm O₂: 0-21%
A7	Coal powder silo		CO: 0-2000 ppm

Dry Quenching Coke Process Points and System Selection Table

Serial number	Testing point	Use	Components and Range	Select probe	Select instruments	System name and model
A1	Circulation fan outlet	Process Control	02: 0-5% CO: 0-20% CO2: 0-30% H2: 0-10%	RHCK-TT-R Heating Type	NR710L	Coke quenching circulating gas Online analysis system ST9600CN

Process Points and System Selection Table for Gas, Power, Cold Rolling, Hot Rolling, and Continuous Casting Plants

Serial number	Testing point	Use	Components and Range	Select probe	Select instruments	System name and model
A1	Gas pipeline	High-calorie monitoring for coke and blast furnace. Mixture Ratio Control Combustion Optimization Control	02: 0-2% CO: 0-75% CO2: 0-25% CH4: 0-40% H2: 0-75% CnHm: 0-10%	RHCK-TZ200 Straight-tube type	NR710L	ST9600CN

Converter Process Points and System Selection Table

Serial number	Testing point	Use	Components and Range	Select probe	Select instruments	System name and model
A1	Before the induced draft fan (cold end)	Recycling Control	CO: 0-100% 02: 0-3%	RHCK-TT-R Heating type	NR710L	Converter gas online Analysis System ST9600CN
A2	After the induced draft fan (cold end)	Recycling Control	CO: 0-100% 02: 0-3%
A3	In front of the gas holder	Security Control	02: 0-3%
A4	Gas holder top		CO: 0-500 ppm		NR710L
A5	Behind the gas holder		02: 0-3%		NR710L
A6	Before the electrostatic precipitator		CO: 0-100% 02: 0-3%		NR710L
A7	One-wire tube front (hot end)	Process Control	CO: 0-100% 02: 0-3%		NR710L

Coke Oven and Lanthanum Carbon Furnace Process Points and System Selection Table

Serial number	Testing point	Use	Components and Range	Select probe	Select instruments	System name and model
A1	Electrostatic coke collector inlet	Security Monitoring	02: 0-2%	RHCK-TZ200 Straight-tube type	NR710L	ST9600CN
A2	Electrostatic coke collector outlet	Calorific Value Monitoring	02: 0-2% CO: 0-40% CO2: 0-25% CH4: 0-5% H2: 0-10%	RHCK-TZ200 Straight-tube type	NR710L	ST9600CN
A3	Exhaust gas outlet	Combustion control	02: 0-21% CO: 0-1% CO2: 0-25%	RHCK-TT-R Heating type	NR710L	ST9600CN

Monitoring Process Points and System Selection Table for Coal-to-Ammonia Production

Serial number	Testing point	Use	Components and Range	Select probe	Select instruments	System name and model
A1	Gas cabinet outlet	Process Control	O₂: 0-2% CO: 0-40% CO₂: 0-15% CH₄: 0-5% H₂: 0-50% CnHm: 0-5%	RHCK-TZ200 Straight-tube type	NR710L Multi-component	Raw Gas Online Analysis System ST9200CN
A2	China change export		CO: 0-5%			Online synthesis ammonia process gas Analysis System ST9200CN
A3	Low-temperature outlet		CO: 0-1%
A4	Decarbonization exports		CO₂: 0-2%
A5	Refined Qi exits the mouth.		CO: 0-100 ppm CO₂: 0-100 ppm
A6	Compressor pump outlet		H₂: 0-100%
A7	Circulation pump outlet		H₂: 0-80% CH₄: 0-5%
A8	Synthesis tower inlet		NH₃: 0-5%
A9	Synthesis tower outlet		NH₃: 0-25%

Carbon Black Process Points and System Selection Table

Serial number	Testing point	Use	Components and Range	Select probe	Select instruments	System name and model
A1	Bag dust collector outlet	Recycling Control and Security Monitoring	02: 0-10% CO: 0-30% CO2: 0-10% CnHm: 0-5% H2: 0-30%	RHCK-TZ200 straight-tube type	NR710L Intelligent Multi-Component Siemens ULTRAMAT23 Siemens CALOMAT6	Carbon Black Tail Gas Online Analysis System ST9400CN

Xi'an Ruiheng Measurement and Control Equipment Co., Ltd

Address: Fengze science & technology park, No. 170 West avenue, High-tech industrial zone, Xi'an city, China

Fax: +86029-88099030

Phone: +86029-88099030

Email: 2569966061@qq.com

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