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Acetylene Generation
Acetylene Production
Acetylene Overview

Acetylene (C2H2) is a crucial industrial gas known for its high-temperature combustion properties and versatility as a chemical feedstock. It plays a vital role in various industries including chemical manufacturing, energy, food and beverage, electronics, healthcare, manufacturing, metals, and mining.

Principle of calcium carbide method
Calcium carbide (CaC2) reacts with water to produce acetylene gas (C2H2) and calcium hydroxide (Ca(OH)2). This reaction is exothermic, requiring strict control of reaction conditions to ensure safety and production efficiency.
Chemical Equation: CaC2 + 2H2O → C2H2 + Ca(OH)2
The Process of  Generation of Acetylene Gas

In industrial acetylene production, the calcium carbide process has become the mainstream technology due to its maturity and broad applicability. The reaction between calcium carbide and water generates acetylene, which takes place in an acetylene generator. This can be done using either a dry or wet process. In the wet process, calcium carbide is added to water, while in the dry process, water is sprayed onto the calcium carbide.


The produced acetylene gas must pass through a purification tower to remove impurities such as hydrogen sulfide and phosphine, improving its purity. Following this, the acetylene gas is pressurized using a compressor and further purified and dehydrated in an oil-water separator and a dryer. Finally, the purified acetylene gas is filled into steel cylinders containing acetone to form dissolved acetylene, ensuring safe storage and transportation.
TYWH Solutions
01
impurity content affects acetylene purity
Except H2S and PH3 content meet Chinese standard. We also use a 5000W powerful electromagnet to remove iron impurities, and manually inspect to remove visible impurities such as ferrosilicon and carbon rods. Through this series of quality control measures, we ensure to provide customers with high-quality calcium carbide with lower impurity content.
02
Slow settling of calcium carbide mud affects production efficiency and safety
We suggest using flocculants to promote the aggregation of calcium carbide mud particles, or alternatively, employing physical or chemical methods for the separation of calcium carbide mud.
03
Improper storage of calcium carbide poses safety risks
In order to deal with safety risks caused by improper storage of calcium carbide, we inject nitrogen into every drum of calcium carbide to eliminate residual air and flammable gases. Effectively inhibits the weathering of calcium carbide and greatly improves safety during storage and transportation. We also provide MSDS certificates and provide regular safety training to customers to ensure they are familiar with safe operating practices for calcium carbide storage and handling. The training content includes emergency procedures, equipment usage and safety protection measures to further reduce safety risks.
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Common Challenges in Acetylene Production
Acetylene Quality
The quality of calcium carbide directly affects the purity of acetylene. If calcium carbide contains excessive impurities, such as oxygen, nitrogen, and sulfides, it can lead to higher levels of impurities in the acetylene gas, thereby affecting its purity and safety for use.
Production Safety
Acetylene is a highly flammable gas, requiring strict control of temperature, pressure, and leak prevention during the production process to prevent incidents such as fires or explosions. Additionally, the exothermic nature of the reaction between calcium carbide and water to produce acetylene necessitates ensuring the reactor's cooling system is properly designed and operates stably. This is crucial to prevent the temperature of the reaction from becoming too high, which could lead to loss of control over the reaction and potential safety hazards.
Production Efficiency
The production yield of acetylene is directly influenced by the gas yield of calcium carbide. Calcium carbide with lower gas yield may contain more inert substances, reducing the effective calcium carbide content and lowering the efficiency and yield of acetylene production. Consequently, this increases the production costs for enterprises.
Environmental Impact
During the acetylene production process using the calcium carbide method, by-products such as carbide sludge require compliant handling and disposal to prevent negative environmental impacts. Additionally, wastewater and emissions generated during production must be effectively treated to meet stringent environmental regulations, minimizing impact on the surrounding environment.
TYWH EMPOWERING CAPACITY LEAP
Partnering for Safety and Efficiency
In the journey of acetylene manufacturing, we are more than just a raw material supplier; we are your trusted partner. Let' s work together to create a new chapter in the industry with innovative solutions. Contact us now to explore more pathways to enhancement.
TIps：Based on customer confidentiality agreements, the company name mentioned is pseudonyms.
Background
A Saudi acetylene manufacturer encountered unstable gas production and discontinuous supply of calcium carbide, which seriously affected their production efficiency and market competitiveness.
Solution and Results
We customized a 25-50mm calcium carbide with a gas generation capacity of 300L/Kg for this acetylene manufacturer to ensure that the quality of the calcium carbide meets its production needs. Relying on stable supply chain management, we can ensure timely and continuous supply of calcium carbide. Through our solution, the customer's acetylene production efficiency increased by 20%. The improvement in production efficiency not only helped the customer reduce production costs, but also helped him effectively expand the market.
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Customer Case
A Saudi acetylene manufacturer encountered unstable gas production and discontinuous supply of calcium carbide, which seriously affected their production efficiency and market competitiveness.
We offered the customer 25-50mm calcium carbide with  gas yield of 300L/Kg and ensure monthly supply at least 195 tons .Through our solution, the customer's acetylene production efficiency has increased by 20%.
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aDDRESS
Head Office: Room 438, No. 58 Wanxiang Road, Gulin Street, Binhai New Area, Tianjin,China
Factory: Laoshidan Project Area of Hainan Industrial Park, Hainan District, Wuhai City, Inner Mongolia, China
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