Solutions

Solutions: Coal Coking & Coal Chemical Industry

1. Industry Overview

The coal coking and coal chemical industry involves complex chemical processes that convert coal into valuable fuels, synthetic gases, and chemical products. The production environments are inherently challenging, characterized by extreme temperatures, high pressures, and highly corrosive media. Reliable, high-performance measurement and control instruments, as well as heavy-duty control valves, are critical for ensuring continuous, safe, and efficient plant operations.

2. Instrument & Valve Performance Requirements

To survive the demanding and hazardous conditions of coal chemical plants, instrumentation and control valves must offer unparalleled durability, safety, and precision:

• Superior Corrosion Resistance: In highly corrosive coal chemical processes, our specialized wetted parts and instrument materials are engineered to resist harsh corrosion from seawater, various chlorides, hypochlorites, oxidizing acids (including fuming nitric acid), organic acids, and alkalis. (Note: They are not designed for relatively pure reducing acids).

• Extreme High-Temperature & Pressure Stability: Capable of maintaining tight shut-off, precise regulation, and accurate data output under the extreme thermal cycles and severe pressures found in gasification and carbonization loops.

• Maximum Safety & Explosion Protection: Strict compliance with international explosion-proof standards (intrinsically safe and flameproof) to handle highly hazardous and flammable gases like hydrogen and carbon monoxide safely.

• Long-Cycle Reliability: Built to support extended uninterrupted plant operations, significantly minimizing maintenance frequency and preventing catastrophic unplanned downtime.

3. Commonly Used Products

JIECHUANG provides a comprehensive range of rugged control valves and high-precision measurement instruments tailored for the complex industrial loops of the coal chemical sector:

• High-Performance Control Valve Series: Top-guide single-seated control valves, Top-guide type sleeve control valves, Top-guide type porous-cage control valves, and High-temperature grease injection seal control valves.

• Pneumatic & Electric Valve Series: Pneumatic fluorine-lined control butterfly valves, Pneumatic/Electric O-type cut-off ball valves, Pneumatic fluorine-lined O-type cut-off ball valves, and Electric bellows/diaphragm seal control valves.

• Self-Actuated Control Valve Series: Self-operated micro-pressure/nitrogen seal control valves, Self-operated electronic temperature control valves.

• Measurement Instruments: Heavy-duty thermocouples, platinum thermal resistances (RTDs), temperature/pressure/differential pressure transmitters, bimetal thermometers, digital pressure gauges, radar/ultrasonic level meters, magnetic flap level gauges, and orifice/V-cone/vortex flowmeters.

• Calibration Systems: Handheld multi-function process calibrators and comprehensive RTD/thermocouple calibration equipment.

4. Our Track Record

JIECHUANG has built strong, long-term partnerships within the coal chemical and coking sector by delivering robust equipment for major technical upgrades, engineering constructions, and critical overhaul maintenance. Below is our verified project track record in this sector:

Note: Due to space constraints and confidential agreements, many of our long-term partnerships and projects with other esteemed global and domestic enterprises are not listed here.

Partner with JIECHUANG

Committed to our core philosophy of "Outstanding Quality, Creating the Future", JIECHUANG continues to empower global industrial automation with exceptionally rugged instrumentation and premium control valve technologies. Whether you need custom-engineered top-guide control valves for aggressive media or high-precision process measurement suites, our engineering expertise ensures maximum process optimization and sustainable operational safety. Contact our specialist team today to tailor a high-performance solution for your facility.

Solutions: Steel & Metallurgy Industry

1. Industry Overview

The steel and metallurgy industry serves as the foundational backbone of modern manufacturing and infrastructure. From raw material processing and sintering to ironmaking, steelmaking, and continuous casting, the entire production cycle is characterized by extremely harsh operating environments. High energy consumption, intense heat, heavy dust, and continuous mechanical vibration mean that every step of the metallurgical process requires robust, precise, and highly dependable control systems to ensure operational safety, optimize fuel efficiency, and maintain rigorous product quality.

2. Instrument Performance Requirements

To thrive in the unforgiving conditions of steel mills and metallurgical plants, measurement and control instrumentation must meet exceptional durability standards:

• Extreme High-Temperature Resistance: Sensors and probes must accurately measure critical parameters in the intense heat generated by blast furnaces, hot strip mills, and casting operations without degrading.

• Superior Anti-Interference & Shock Tolerance: Instruments must maintain structural integrity and signal stability amidst the heavy vibrations of rolling mills and the electromagnetic interference of heavy machinery.

• Robust Wear & Abrasion Resistance: Wetted parts and sensor housings must withstand severe abrasion from iron ore dust, slag, and solid particulate matter inherent in sintering and smelting.

• High Reliability for Continuous Operations: Designed for long lifecycles to minimize maintenance interventions, prevent unplanned shutdowns, and integrate seamlessly with plant-wide DCS for real-time process optimization.

3. Commonly Used Products

JIECHUANG provides a comprehensive and rugged suite of measurement and control instruments engineered specifically for the demanding applications of the steel industry:

• Temperature Measurement: Thermocouples, thermal resistances (RTDs), temperature instruments, and integrated temperature transmitters.

• Pressure Measurement: Precision digital pressure gauges, pressure transmitters, differential pressure transmitters, and standard pressure gauges.

• Flow Measurement: Orifice flowmeters, V-cone flowmeters, vortex flowmeters, electromagnetic flowmeters, and pitobar flowmeters.

• Level Measurement: Level gauges, level meters, radar level meters, and level transmitters.

• Control Systems & Equipment: Electrical instrument panels and cabinets, control cabinets, complete sets of instruments, and control valves.

4. Our Track Record

JIECHUANG has a proven history of empowering major steel corporations with highly reliable instrumentation. We have successfully delivered solutions for new construction projects, massive technical upgrades, and critical daily maintenance across numerous renowned metallurgical plants. Below is a detailed selection of our collaborative projects in this sector:

Note: Due to space constraints, many of our long-term partnerships with other esteemed enterprises are not listed here.

Partner with JIECHUANG

JIECHUANG is committed to driving efficiency and safety in industrial automation. By combining our robust, high-performance instruments with deep industry expertise, we empower our clients to optimize their processes, reduce unplanned downtime, and achieve sustainable operational excellence. We continuously strive to deliver "Outstanding Quality, Creating the Future." Contact our expert team today to discuss how we can tailor a precise measurement and control solution for your specific facility.

Solutions: Chemical Industry

1. Industry Overview

The chemical and petrochemical industries are characterized by highly complex, diverse, and often hazardous production processes. Facilities routinely handle aggressive media, toxic gases, and volatile fluids under rigorous process conditions. Ensuring absolute safety, preventing environmental contamination, and maintaining strict product quality control requires a highly sophisticated, closed-loop measurement and control system that can withstand the most punishing industrial environments without fail.

2. Instrument & Valve Performance Requirements

To guarantee the safe, stable, and efficient continuous operation of chemical production lines, on-site instrumentation must meet exceptionally strict performance criteria:

• Broad-Spectrum Corrosion Resistance: Our specialized instrument materials are engineered to resist corrosion from seawater, various chlorides, and hypochlorites. They are also capable of withstanding oxidizing acids (including fuming nitric acid), organic acids, and alkalis.

• Application Limitation: Please note that these specific highly corrosion-resistant materials are not resistant to relatively pure reducing acids.

• Leak-Proof & Fugitive Emission Control: Stringent sealing technologies are required to handle toxic or flammable chemical fluids safely, ensuring compliance with environmental and worker safety regulations.

• Explosion-Proof Reliability: Instruments deployed in hazardous zones must hold certified explosion-proof ratings to safely operate amidst volatile chemical fumes and gases.

3. Commonly Used Products

JIECHUANG provides a versatile and exceptionally durable suite of control valves and process instruments tailored for the complex demands of the chemical industry:

• High-Performance Control Valves: Top-guide single-seated control valves, sleeve control valves, and specialized high-temperature control valves.

• Pneumatic & Electric Shut-Off/Control Series: Pneumatic fluorine-lined control butterfly valves, O-type cut-off ball valves, and electric bellows seal control valves.

• Measurement Instruments: Precision digital pressure gauges, differential pressure transmitters, thermocouples, thermal resistances (RTDs), radar level meters, and various flowmeters (orifice, V-cone, electromagnetic, vortex).

4. Our Track Record

JIECHUANG leverages extensive engineering expertise to provide comprehensive measurement and control solutions for diverse chemical and petrochemical facilities. Below is a selection of our collaborative engineering and maintenance projects in this sector:

Note: Due to space constraints and confidentiality, many of our long-term partnerships with other esteemed chemical enterprises are not listed here.

Partner with JIECHUANG

JIECHUANG is committed to driving efficiency and safety in industrial automation. By combining our robust, highly specialized control valves with deep industry expertise, we empower chemical facilities to optimize their processes, safely handle aggressive media, and achieve sustainable operational excellence. We continuously strive to deliver "Outstanding Quality, Creating the Future." Contact our expert engineering team today to tailor a precise measurement and control solution for your chemical plant.

Solutions: Power Generation Industry

1. Industry Overview

The power generation industry—encompassing heavy-duty thermal plants, clean energy facilities, and distribution systems—demands unwavering operational continuity. Power generation loops operate under intense mechanical stress, extreme temperatures, and high fluid pressures. Precise real-time monitoring and rugged flow regulation are vital to maximize thermal conversion efficiency, secure boiler/turbine safety, and maintain uninterrupted grid supply.

2. Instrument & Valve Performance Requirements

To guarantee long-cycle continuous runtime and protect critical assets in power utility facilities, field equipment must deliver top-tier performance:

• Extreme Thermal & High-Pressure Endurance: Main steam loops, boiler lines, and superheaters require premium sensors capable of handling intense temperature cycles without signal drift.

• Anti-Vibration & High Stability: Structural design must withstand severe mechanical shocks from heavy turbines, rolling machinery, and high-velocity steam flows.

• Precision Under Severe Pressure Drops: Control valves and regulators must actively suppress cavitation, flashing, and aerodynamic noise to prevent erosion of the pressure-containing shell.

• DCS/SIS System Integration: Seamless communication output via advanced protocols ensures responsive, automated emergency cut-off and control loop adjustments.

3. Commonly Used Products

JIECHUANG delivers a robust line of field instrumentation and heavy-duty control devices built for aggressive utility processes:

• Measurement Instruments: Premium thermocouples, platinum resistance thermometers (RTDs), temperature indicators, integrated temperature transmitters, differential pressure transmitters, smart digital displays, and stainless steel gauges.

• Flow & Level Control: High-precision orifice plates, vortex flowmeters, bimetal level switches, ultrasonic level meters, and radar level transmitters.

• Control Cabinets & Actuators: Complete sets of electrical instrument panels and cabinets, pneumatic/electric regulation valves, and high-pressure cut-off valves.

4. Our Track Record

JIECHUANG is a trusted partner across national energy grids, serving major power groups and industrial captive power facilities. Below is a detailed record of our verified projects from our field instrument track record table (image_ac7685.jpg):

Note: Due to space constraints and non-disclosure agreements, many of our extensive long-term partnerships with other global utilities and power plants are not listed here.

Partner with JIECHUANG

Guided by our core principles of "Outstanding Quality, Creating the Future," JIECHUANG delivers robust field instrumentation and control systems engineered for optimal thermal safety and load reliability. From heavy thermal boilers to modern wind farms, our deep engineering knowledge minimizes operational risk and eliminates costly downtime. Contact our technical team today to build a custom automation package for your power facility.

Solutions: PetroChina & Sinopec Industry (Oil & Gas & Petrochemicals)

1. Industry Overview

For many years, we have been a Tier-1 cooperative supplier for Sinopec and PetroChina. The upstream oil and gas extraction and downstream petrochemical refining industries are the lifeblood of global energy. From remote oilfields and high-pressure pipeline transport to complex refinery cracking units, the operating environments are notoriously harsh. Facilities must manage highly flammable, explosive, and toxic media under extreme pressures and temperatures. Uncompromising safety, zero-leakage control, and precise process measurement are mandatory to prevent catastrophic failures, ensure environmental compliance, and maximize production yields.

2. Instrument & Valve Performance Requirements

To meet the stringent standards of national oil corporations like PetroChina and Sinopec, field instrumentation must deliver exceptional reliability:

• Maximum Explosion-Proof Safety: All field devices must possess top-tier explosion-proof or intrinsically safe certifications to operate securely in zones prone to combustible hydrocarbon gases.

• Extreme Weather & Environmental Resilience: Instruments deployed in open-air oilfields (such as Daqing and Changqing) must feature robust enclosures to withstand freezing temperatures, sandstorms, and severe weather fluctuations.

• High-Precision Custody Transfer & Monitoring: Accurate and stable flow, level, and pressure measurements are critical for pipeline integrity monitoring, custody transfer, and safe reactor control.

• Long-Term Stability & Durability: Designed for extended maintenance cycles to support continuous oilfield operations and minimize costly turnaround times in mega-refineries.

3. Commonly Used Products

Based on our extensive supply history to major oil and gas facilities, JIECHUANG provides a proven portfolio of measurement and control instruments:

• Temperature Measurement: Heavy-duty thermocouples, platinum thermal resistances (RTDs), bimetal thermometers, and integrated temperature transmitters.

• Pressure Measurement: Precision digital pressure gauges, differential pressure transmitters, and high-stability pressure transmitters.

• Flow Measurement: Ultrasonic flowmeters, vortex flowmeters, and orifice flowmeters for pipeline and process flow.

• Level Measurement: Ultrasonic level meters, radar level meters, and liquid level transmitters for storage tanks and separators.

• Control & Display: Smart digital indicators, electrical instrument panels, and control cabinets.

4. Our Track Record

JIECHUANG has firmly established itself as a trusted supplier and framework agreement partner for China's largest state-owned energy giants. Below is a detailed selection of our verified projects from the PetroChina and Sinopec industry sector:

Note: Due to space constraints and confidentiality, many of our extensive long-term framework agreements with other major oilfields and petrochemical plants are not listed here.

Partner with JIECHUANG

Guided by our core philosophy of "Outstanding Quality, Creating the Future", JIECHUANG delivers rugged, highly accurate field instrumentation engineered specifically for the extreme demands of the oil and gas sector. From upstream extraction to downstream refining, our proven technology minimizes operational risk, ensures regulatory compliance, and maximizes your plant's efficiency. Contact our technical engineering team today to develop a robust automation and measurement solution for your energy facility.

Solutions: Cement & Building Materials Industry

1. Industry Overview

The cement and building materials industry is defined by heavy-duty, continuous production processes that involve raw material crushing, high-temperature calcination in rotary kilns, and extensive material grinding. The operating environments are exceptionally severe, characterized by dense abrasive dust, extreme heat, heavy mechanical vibration, and continuous material impact. To maintain process efficiency, lower energy consumption, and ensure environmental compliance, plants require rugged, highly specialized measurement and control instrumentation capable of surviving these punishing conditions.

2. Instrument Performance Requirements

To ensure the stable and uninterrupted operation of cement plants and building material facilities, field instruments must deliver outstanding durability:

• Superior Wear and Abrasion Resistance: Sensors, particularly temperature probes, must be shielded against severe abrasion from high-velocity clinker dust, limestone, and coal powder in grinding mills and kilns.

• Extreme High-Temperature Endurance: Instruments deployed near rotary kilns and preheaters must accurately measure thermal dynamics without structural degradation or signal drift.

• Anti-Clogging & Dust Immunity: Level measurement devices in silos and hoppers must utilize technologies (like RF admittance or guided wave radar) that remain unaffected by heavy airborne dust, material buildup, or varying dielectric constants.

• Heavy Vibration Tolerance: Equipment must maintain structural integrity and precision despite the constant mechanical shocks generated by heavy crushers and ball mills.

3. Commonly Used Products

JIECHUANG provides a comprehensive suite of rugged measurement and control instruments engineered specifically for the demanding applications of the cement and building materials sector:

• Temperature Measurement: Specially designed wear-resistant thermocouples, armored thermocouples, platinum RTDs, and temperature transmitters.

• Level Measurement: RF admittance level meters, guided wave radar level meters, magnetic flap level gauges, and heavy-duty silo level indicators.

• Flow Measurement: Electromagnetic flowmeters, orifice flowmeters, and vortex flowmeters for cooling water and gas loops.

• Pressure & Display: Smart pressure transmitters, diaphragm pressure gauges, precision digital pressure gauges, remote transmission detectors, and digital indicators.

4. Our Track Record

JIECHUANG has a proven history of empowering major cement groups and building material engineering institutes with highly reliable instrumentation. We have successfully delivered solutions for massive technical upgrades, waste heat power generation projects, and critical daily maintenance. Below is a detailed selection of our collaborative projects in this sector:

Note: Due to space constraints, many of our extensive long-term partnerships with other major cement and building materials enterprises are not listed here.

Partner with JIECHUANG

Guided by our core philosophy of "Outstanding Quality, Creating the Future", JIECHUANG delivers rugged, highly accurate field instrumentation engineered specifically for the extreme demands of the cement and building materials sector. From abrasive clinker grinding to high-temperature kiln control, our proven technology minimizes operational risk, extends equipment lifespan, and maximizes your plant's efficiency. Contact our technical engineering team today to develop a robust automation and measurement solution for your facility.

Solutions: Pharmaceutical & Biopharmaceutical Industry

1. Industry Overview

The pharmaceutical and biopharmaceutical industry requires some of the most rigorous and highly regulated manufacturing environments in the world. From the synthesis of active pharmaceutical ingredients (APIs) and fermentation processes to final formulation and sterile packaging, precise environmental and process control is non-negotiable. Facilities must adhere to strict GMP (Good Manufacturing Practice) standards to ensure absolute product purity, batch-to-batch consistency, and consumer safety. This demands highly specialized, hygienic measurement and control instrumentation.

2. Instrument Performance Requirements

To guarantee regulatory compliance and the highest levels of product quality, field instruments in pharmaceutical facilities must deliver specialized performance:

• Ultimate Hygiene and Sanitary Design: Instruments must feature sanitary connections (like Tri-Clamps), crevice-free wetted parts, and ultra-smooth surface finishes (typically 316L stainless steel) to prevent bacterial growth and cross-contamination.

• CIP and SIP Compatibility: Sensors and seals must be capable of withstanding the aggressive chemicals and extreme thermal shocks associated with Clean-In-Place (CIP) and Sterilization-In-Place (SIP) procedures without degradation.

• High Precision and Traceability: Stringent batch control requires highly accurate, drift-free measurement of critical process parameters (temperature, pressure, flow) combined with fully traceable calibration data.

• Robustness in Utilities: Beyond cleanrooms, rugged instrumentation is also required to support critical facility utilities, including captive power plants, purified water (PW) systems, and Water for Injection (WFI) loops.

3. Commonly Used Products

JIECHUANG provides a comprehensive suite of precision measurement and control instruments designed for both sterile pharmaceutical processes and heavy-duty utility support:

• Temperature Measurement: Sanitary RTDs, platinum resistance thermometers, bimetal thermometers, and temperature transmitters.

• Pressure & Level Measurement: Sanitary pressure transmitters, precision digital pressure gauges, radar level meters, and magnetic flap level gauges.

• Flow Measurement: V-cone flowmeters, electromagnetic flowmeters, vortex flowmeters, and ultrasonic flowmeters.

• Control & Accessories: Process control cabinets, electrical instrument boxes, digital indicators, standard calibration devices, and sanitary valves/fittings.

4. Our Track Record

JIECHUANG has an extensive and proven history of empowering renowned pharmaceutical enterprises. We supply critical measurement solutions for routine daily maintenance, technical upgrades, and major engineering projects. Below is a detailed selection of our collaborative projects in this sector:

Partner with JIECHUANG

Guided by our core philosophy of "Outstanding Quality, Creating the Future", JIECHUANG delivers highly accurate, compliant, and durable field instrumentation engineered for the strict requirements of the pharmaceutical industry. From delicate sanitary lines to heavy-duty power utilities, our comprehensive solutions reduce contamination risks, ensure batch consistency, and maximize your production efficiency. Contact our expert engineering team today to develop a precise automation solution tailored for your plant.

Solutions: Pulp & Papermaking Industry

1. Industry Overview

The pulp and papermaking industry is a highly water- and energy-intensive sector that involves continuous, large-scale processes such as pulping, chemical recovery, bleaching, pressing, and high-temperature drying. Throughout the production cycle, facilities must safely handle fibrous slurries, corrosive chemicals (like black liquor and bleaching agents), and high-pressure steam. To ensure consistent paper quality, optimize chemical dosing, and reduce energy and water consumption, robust and precise field instrumentation is absolutely critical.

2. Instrument Performance Requirements

To thrive in the demanding environments of paper mills, measurement and control instrumentation must deliver specialized performance:

• Anti-Clogging & Abrasion Resistance: Flow and level instruments measuring pulp slurry must feature unobstructed, smooth-bore designs (such as electromagnetic flowmeters) to prevent fiber buildup, clogging, and mechanical wear.

• High Corrosion Resistance: Wetted parts and sensors must be able to withstand highly aggressive media, including acids, alkalis, bleaching chemicals, and corrosive black liquor during the chemical recovery process.

• Excellent Moisture & Humidity Tolerance: Instruments deployed in the "wet end" of paper machines require high IP ratings and robust sealing to maintain electrical integrity in extremely humid and splash-prone environments.

• High-Precision Steam Management: Accurate temperature and pressure control in the drying section is vital for product quality, requiring highly responsive and stable thermal sensors and steam flowmeters.

3. Commonly Used Products

Based on the specific process demands of pulp and paper manufacturing, JIECHUANG provides a reliable suite of measurement and control instruments:

• Flow Measurement: Electromagnetic flowmeters (ideal for fibrous pulp), steam flowmeters, and rotameters.

• Pressure Measurement: Precision digital pressure gauges, smart pressure transmitters, and standard pressure gauges.

• Temperature Measurement: Bimetal thermometers, thermal resistances (RTDs), thermocouples, integrated temperature transmitters, and temperature instruments.

• Level Measurement: Magnetic flap level gauges, single-flange level transmitters, and standard level gauges.

• Control Systems: Digital display regulators, valves, and pipe fittings.

4. Our Track Record

JIECHUANG has a proven history of empowering major papermaking enterprises, including industry leaders like Nine Dragons Paper and Chenming Paper. We provide highly dependable field instruments for daily maintenance and critical technical upgrade projects. Below is our verified project track record in this sector:

Partner with JIECHUANG

Guided by our core philosophy of "Outstanding Quality, Creating the Future," JIECHUANG delivers rugged, anti-clogging, and highly accurate field instrumentation engineered specifically for the harsh conditions of pulp and paper mills. From aggressive chemical recovery loops to high-pressure steam drying, our proven technology minimizes maintenance costs, prevents unexpected shutdowns, and maximizes your production efficiency. Contact our technical engineering team today to develop a robust automation solution for your facility.