1. Company Overview

Established in 2007, TYWH has grown into an integrated manufacturer and supplier of calcium carbide and related application products. We have become a leading supplier of calcium carbide within the industry.

Our factory is strategically located in Wuhai City, Inner Mongolia, China, close to the core production area of calcium carbide raw materials, which allows us to efficiently obtain high-quality raw materials.

Equipped with advanced production lines and a team of experienced staff, we ensure large-scale production capabilities and stable quality of calcium carbide.



2. Production Technology and Equipment

We utilize cutting-edge crushing and processing technologies internationally recognized to ensure the high quality and particle size qualification rate of our calcium carbide products.

Our modern equipment, such as automated crushers, high-precision screening equipment, automatic filling machines, and automatic capping machines, enhances production efficiency and product consistency.



3.Calcium Carbide Products and Quality Control

We offer a variety of calcium carbide products in different specifications to meet the diverse and personalized needs of customers worldwide.

We adhere to strict quality control processes and standards to ensure that each batch of products meets customer requirements.

4. Environmental Protection and Safe Production

We implement various environmental protection measures, such as reducing dust emissions and properly handling waste to minimize environmental impact.

We have established safety production systems and management measures, regularly conducting safety training and emergency drills for employees to ensure production safety.



5. Supply Chain Management

We possess a stable raw material supply chain, ensuring the quality and continuity of raw material supply.We also have a comprehensive logistics and distribution system to ensure the safe and timely delivery of products to our customers.



6. Market and Customers

We serve over 200 countries and regions worldwide and have established cooperation with more than 300+ customers.



7. Services and Support

Customized Services: We adjust product specifications, packaging customization, and loading solutions according to customer needs.

Market Analysis: We regularly provide calcium carbide market analysis to help customers understand the price trends of calcium carbide in real-time, reducing procurement costs.

Order Tracking: Dedicated personnel are responsible for following up on the order status, updating it in a timely manner, and synchronizing it with customers.

We provide comprehensive after-sales service, including technical support and customer consultation.

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Introduction



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Calcium carbide, with the chemical formula CaC2, is a compound widely used in the chemical industry. Its primary application is the production of acetylene gas when it reacts with water, while it also serves as a desulfurizer and deoxidizer in the steel industry. These properties make it a vital material in industrial production.





CAS No.:75-20-7 Un No:1402
EINECS:200-848-3 Grade Standard:Industrial Grade







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1.Definition and Chemical Properties of Calcium Carbide




Calcium carbide (CaC₂) is an inorganic compound. In its pure form, it appears as a white powder or colorless crystals. Industrial-grade calcium carbide typically exists as a gray-black or brownish solid, with freshly broken surfaces showing purple or gray. It has a pungent, sharp odor.
Calcium carbide is highly reactive and can undergo reactions with various gases and solutions, especially when it comes into contact with water. This reaction results in the decomposition of calcium carbide, producing acetylene gas and calcium hydroxide, and releasing significant heat.


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2. Calcium Carbide Production Process




Calcium carbide is produced using an electric arc furnace method, where limestone and coke are mixed in a specific ratio and reacted at a high temperature (about 2,200°C) to produce calcium carbide.



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3. Main Applications of Calcium Carbide




Calcium carbide has a wide range of applications, with its most significant use being in the production of acetylene gas. Acetylene is widely used in welding, cutting, and in the synthesis of various chemical products such as PVC (polyvinyl chloride) and vinyl acetate. Below are some major application areas:


- Acetylene Generation: When calcium carbide reacts with water, it produces acetylene gas. Acetylene is valued for its high combustion temperature and low cost in fields like welding and cutting.

- Steel Industry: In the steel industry, calcium carbide serves as a desulfurizer, helping to remove sulfur impurities from molten steel, thereby improving the quality of the steel.

- Agricultural Use: Calcium carbide is also used as a soil amendment, particularly in the improvement of acidic soils.


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4. Current Status And Trends In The Calcium Carbide Industry





Calcium carbide has a significant production capacity and demand worldwide, particularly in China. Currently, China is the leading global producer of calcium carbide, with a vast market size and production capacity. In recent years, China’s output and demand for calcium carbide have been steadily increasing, driven by the demand for acetylene-based chemicals and PVC production.



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5. Safety And Environmental Impact Of Calcium Carbide





The production and use of calcium carbide require strict safety measures. It must be kept dry during storage and transportation since its reaction with water generates acetylene gas and considerable heat, making acetylene a highly flammable gas.
Calcium carbide production can generate dust; however, through technological innovations, dust can be collected and treated to minimize environmental impact.




Conclusion





As a fundamental chemical raw material, calcium carbide plays a critical role in modern industry. With technological advancements and increasing environmental awareness, the calcium carbide industry is evolving towards more efficient and eco-friendly production methods. In the future, the application scope of calcium carbide is expected to expand, contributing more innovation and value to the chemical industry.

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Introduction



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At TYWH, every step of the calcium carbide (CaC₂) processing workflow adheres to the highest standards to ensure product quality, safety, and production efficiency. Below is a detailed overview of our process, from raw material inspection to final storage.








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1. Raw Material Inspection




Each batch of calcium carbide undergoes strict quality testing upon arrival to ensure that only high-quality materials enter the production process. Key inspection criteria include:
Acetylene Gas Yield: We verify that the calcium carbide produces sufficient acetylene gas when reacting with water, meeting industry demands.
PH₃ and H₂S Content: The levels of these toxic gases are carefully controlled to ensure safe operation and maintain product quality.
Impurity Levels: We measure the amount of non-calcium carbide materials to minimize impurities.
This thorough testing process ensures that only the highest-quality raw materials proceed to the production stages.


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2. Crushing




Our state-of-the-art jaw crushers efficiently crush the raw calcium carbide to meet size requirements. The crushing process is divided into multiple stages to ensure that every piece of calcium carbide reaches the desired size.
Each production area is equipped with acetylene concentration alarms, which monitor the concentration of acetylene gas in the environment, ensuring the safety of both workers and the facility.


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3. Screening




We utilize advanced vibration screening equipment with multiple mesh layers for precision particle sizing. This high-precision technology ensures that over 90% of the calcium carbide particles meet size specifications, providing consistency and reliability in particle size distribution.



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4. Impurity Removal





To enhance product purity, we implement multiple impurity removal techniques:
High-Powered Electromagnets: These effectively remove iron-based impurities from the calcium carbide.
Manual Sorting: Non-magnetic impurities, such as ferro-silicon, are manually screened out, further improving product purity.
This process significantly reduces impurity levels, leading to a higher-quality product with superior performance.


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5. Packaging





Our fully automated packaging line ensures efficient, precise, and safe packaging. Key steps in the process include:
Automated Filling: Minimizes human interference, reducing the risk of contamination.
Electronic Weighing: Ensures that each package meets precise weight requirements, preventing underweight issues.
Automated Sealing: Increases the airtightness of packaging, preventing moisture and air from entering.
This automated process optimizes production efficiency while ensuring consistent and reliable final products.


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6. Dust Control





To protect the health of our employees and minimize environmental impact, we employ a fully enclosed dust control system throughout the production stages (crushing, screening, and packaging). This system captures dust generated during production, maintaining a clean working environment and reducing emissions.



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7. Final Inspection





We conduct random sampling of 15 kg from every 10 tons of finished product for detailed testing. Tests include:
Particle Size Compliance: Ensures that the particle size meets customer specifications.
Acetylene Gas Yield: Confirms that the gas output from the calcium carbide meets industry standards.
Phosphine (PH₃) and Hydrogen Sulfide (H₂S) Content: Ensures that the levels of these toxic impurities remain within safe limits.
Impurity Levels: Verifies that non-active substances are within acceptable levels.
Any non-conforming products are immediately discarded to ensure that only high-quality calcium carbide reaches the market.


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8.Nitrogen filling





After sealing, we inject nitrogen gas into the calcium carbide drums, displacing residual air and flammable gases. This step prevents the carbide from weathering, maintaining product stability over time. It also enhances the safety of storage and transportation.



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9. Storage





We adhere to strict safety storage standards to ensure the safe handling of calcium carbide. Key measures include:
Fire and Water Protection: Prevents potential damage from fire or water incidents.
Temperature and Humidity Control: Calcium carbide is stored in optimal conditions to avoid degradation due to environmental factors.
These precautions ensure that the calcium carbide remains safe and of high quality during storage, ready for global distribution.




Conclusion





TYWH’s production process not only ensures the highest quality and safety of calcium carbide but also complies with industry best practices and environmental standards. We are committed to delivering premium-grade calcium carbide to acetylene manufacturers and steelmakers worldwide.

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Introduction




Selecting the right calcium carbide supplier is crucial for ensuring consistent production quality, safety, and efficiency in industries such as acetylene gas production and steelmaking. TYWH stands out as a reliable and high-performing supplier of calcium carbide, committed to meeting customer demands and maintaining the highest standards of production. Here's why TYWH should be your preferred partner:




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Read More






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1. Automated Production Line for Maximum Efficiency




TYWH utilizes fully automated production lines, enhancing both the efficiency and precision of the manufacturing process. From raw material handling to final packaging, every step is controlled through automated systems, reducing human error and ensuring consistency. Our automated sorting and weighing systems guarantee calcium carbide is produced to exact specifications, with precise weight control. This level of automation ensures we meet large-scale production needs while maintaining exceptional quality.



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2. Strong Production Capacity




With an annual production capacity of 120,000 tons, TYWH consistently meets high-volume demands. This robust production capacity ensures that even in times of peak demand, we can provide a stable and uninterrupted supply of calcium carbide to our global clients. Our ability to scale production without compromising quality makes us a reliable long-term partner.



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3. Reliable Product Quality




Consistency in calcium carbide quality is essential for maintaining efficient and safe operations, particularly in industries that rely on acetylene gas production. TYWH focuses on delivering stable gas-yield calcium carbide, ensuring smooth, disruption-free operations. Our rigorous quality control processes guarantee that every batch meets stringent standards, supporting high productivity and operational efficiency.



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4. Safety First





Safety is a top priority at TYWH. From production to transportation, we follow strict safety protocols throughout the supply chain. Our manufacturing facilities are equipped with advanced monitoring systems, including acetylene gas sensors, ensuring a safe working environment. Additionally, we take every precaution to ensure the safe handling, packaging, and shipping of calcium carbide, minimizing risks to personnel and the environment.



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5. Fast Delivery and Reliable Logistics





TYWH understands the importance of timely delivery. With a well-stocked inventory and efficient logistics, we deliver calcium carbide quickly and safely to your location. Our streamlined transportation processes ensure your order arrives on time, minimizing any potential downtime for your production line. Whether you need a small or large shipment, we are committed to meeting your deadlines.



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6. Compliance with International Standards





TYWH takes pride in adhering to the highest standards of production and environmental compliance. Our production facilities are certified by multiple international bodies, ensuring we meet or exceed the industry's strictest regulatory requirements. By choosing TYWH, you are partnering with a supplier that follows globally recognized best practices, ensuring not only product quality but also environmental responsibility.





Conclusion





When choosing a calcium carbide supplier, you need a partner that offers high-quality products, reliable delivery, and stringent safety standards. TYWH delivers on all fronts: automated production for precision and efficiency, strong production capacity, stable product quality, and rigorous safety and compliance standards. Partner with TYWH to ensure a stable, reliable supply of calcium carbide that supports your business needs while maintaining the highest industry standards.

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Introduction



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Calcium carbide (CaC₂) is a vital chemical raw material, commonly used in acetylene production and steelmaking. However, due to its flammable and explosive properties, the transportation and storage of calcium carbide carry inherent safety risks. Understanding and adhering to safety precautions is critical to ensuring the safety of personnel, equipment, and stable production processes.





CAS No.:75-20-7 Un No:1402
EINECS:200-848-3 Grade Standard:Industrial Grade







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1. Properties and Safety Risks of Calcium Carbide




Calcium carbide reacts violently with water, producing acetylene gas (C₂H₂) and calcium hydroxide. This reaction releases large amounts of heat along with the flammable gas, creating potential fire or explosion risks if mishandled. Therefore, during transport and storage, calcium carbide must be kept away from moisture and high-humidity environments.


Key risks associated with calcium carbide:
Flammability: Calcium carbide releases acetylene gas when exposed to water or humid air, which is highly flammable and can ignite easily in the presence of a spark or flame.
Corrosiveness: The acetylene gas generated can also be corrosive, requiring careful handling to prevent equipment damage.
Understanding the basic properties and hazards of calcium carbide is essential for ensuring safe transport and storage.


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2. Safety Considerations for Transporting Calcium Carbide




Packaging Standards and Sealing:
Calcium carbide is typically packed in well-sealed steel or plastic drums to prevent contact with moisture in the air. During transport, it is essential to ensure the packaging is intact, with no damage that could allow external moisture to enter. Packaging must comply with international transport regulations such as the International Maritime Dangerous Goods (IMDG) Code and include proper classification and labeling based on the hazardous nature of calcium carbide.


Transport in Dry Conditions:
Calcium carbide must be transported in a dry environment. Specialized waterproof transport containers and vehicles should be used to prevent exposure to rain, humidity, or water sources during transit. In long-distance or marine transport, vehicles or vessels should have proper moisture protection systems.


Separation from Other Hazardous Materials:
Calcium carbide should be transported separately from other chemicals or hazardous materials, particularly liquids and flammable substances. According to international transport regulations, strict segregation rules apply when transporting calcium carbide with other classes of dangerous goods.


Preventing Shock and Vibration:
During transport, calcium carbide must be protected from strong shocks or excessive vibrations. Specialized fixtures and securing mechanisms should be used to stabilize the packaging and prevent shifting or damage during movement.


Trained Drivers and Transport Equipment:
Vehicles transporting calcium carbide must have appropriate hazardous materials transport licenses. Drivers and transport personnel must be trained in handling dangerous goods and capable of responding to emergencies. Additionally, vehicles should be equipped with fire extinguishers and emergency spill handling equipment.




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3. Safety Considerations for Storing Calcium Carbide




Storage Environment:
Calcium carbide should be stored in dry, well-ventilated areas, away from water sources. The warehouse environment should be strictly controlled for humidity to prevent moisture ingress. Ideally, calcium carbide should be stored indoors rather than outdoors, to avoid exposure to the elements.


Fire Prevention Measures:
Since acetylene gas generated from calcium carbide can ignite easily, proper fire safety systems must be in place in storage areas. This includes fire alarms, extinguishers, and explosion-proof lighting. Open flames and high-heat activities should be prohibited in storage zones.


Storage Segregation and Labeling:
Calcium carbide should be stored in separate areas according to different granule sizes and hazard levels. Clear labeling is essential, providing information on product name, hazards, and emergency procedures to ensure staff can handle materials correctly. Labels should include warnings of potential dangers and first-response measures in case of accidents.


Moisture Control:
Humidity control equipment, such as dehumidifiers and sealed windows and doors, should be installed to maintain a stable warehouse environment. Before handling calcium carbide, it is essential to inspect the packaging for integrity and ensure it is properly resealed after use.


Emergency Preparedness:
Detailed emergency response plans should be established for scenarios such as moisture ingress or fires. All personnel involved in handling calcium carbide must undergo regular emergency response training and be familiar with evacuation routes and safety procedures.


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4. Safe Handling and Management of Calcium Carbide





In addition to transport and storage, the safe handling of calcium carbide during production is also critical. Operators should wear appropriate personal protective equipment (PPE), such as gloves, goggles, and dust masks, to protect against exposure to carbide dust and acetylene gas.


Regular inspections of calcium carbide packaging and storage facilities should be conducted to ensure they remain in good condition. Personnel should closely monitor temperature and humidity levels in storage areas to ensure calcium carbide is kept in ideal conditions.


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5. Choosing a Reliable Calcium Carbide Supplier





Selecting the right supplier is crucial to ensuring the safe transport and storage of calcium carbide. A qualified supplier should not only provide high-quality calcium carbide but also adhere to safety standards throughout production, transportation, and storage. Choosing a supplier with international certifications and extensive transportation experience can help reduce the risks associated with calcium carbide.


As a global leader in calcium carbide supply, TYWH strictly adheres to international safety standards in the production, transport, and storage of calcium carbide. We are committed to providing our clients with safe, stable, and reliable products.


Strict Quality Control:
TYWH offers high-purity, multiple-granule calcium carbide products that meet international and Chinese quality standards. Our advanced production technologies and testing equipment ensure consistent product quality, minimizing risks during use.


Professional Transport and Storage Services:
TYWH has extensive experience in transporting calcium carbide, with all transport vehicles and personnel undergoing rigorous hazardous materials handling training. We ensure safe transport throughout the process. We also provide professional storage advice and technical support to help customers optimize their storage environments.


Comprehensive After-Sales Service and Technical Support:
TYWH offers full after-sales service and technical support to assist customers with any issues that may arise during transport or storage. Our team is available to provide expert solutions at any stage of the process.




Conclusion





As an important industrial raw material, calcium carbide requires strict safety measures during transport and storage. By choosing the right packaging, controlling the transport environment, and implementing proper fire and moisture prevention measures, the risks associated with calcium carbide can be minimized. Selecting a supplier with extensive experience and a commitment to safety can further reduce potential hazards in the procurement, transport, and storage of calcium carbide.


If you are looking for a reliable calcium carbide supplier, TYWH is your ideal choice. We not only provide high-quality products but also offer comprehensive support for safe transport, storage, and management, ensuring a smooth and safe production process.