Shandong Zhongjie Special Equipment Co., Ltd. (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Development Zone, Heze City, with a registered capital of 50 million yuan and total assets of 500 million yuan. The company has 7 business centers: boilers, deep-freeze containers, pressure vessels, central air conditioning, engineering installation, international trade, and the Internet of Things. It has three factory sites on Jinnan Road, East Changjiang Road, and Bohai Road, covering a total area of 200,000 square meters, with the main workshop spanning 83,000 square meters. It currently employs 710 people, including 247 engineering technicians and 82 middle-level technicians. In December 2016, it was recognized as a "High-tech Enterprise" by the Science and Technology Department. In June 2021, it was identified as a "Specialized and New Enterprise in Shandong Province" by the Industry and Information Technology Department. In June 2022, it was recognized as a "Gazelle Enterprise in Shandong Province" and in August 2022, it was identified as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
When selecting a carbon dioxide storage tank support, consider the following factors: Load Capacity: The design and selection of the support should be capable of bearing the weight and pressure of the tank. The load-bearing capacity of the support should be determined based on the tank's size, weight, and working conditions. Stability: The support should have sufficient stability to prevent tilting or collapse during use. The design of the support should take into account the center of gravity location and changes of the tank to provide stable support. Corrosion Resistance: As carbon dioxide has some corrosive properties, the material selection of the support should have good corrosion resistance to prevent corrosion and damage. Installation and Maintenance Ease: The design of the support should consider ease of installation and maintenance for convenient tank installation, adjustment, and maintenance. Compliance with Standards and Regulations: The design and selection of the support should comply with relevant standards and regulations, such as Standard GB150 "Steel Pressure Vessels." Additionally, other related factors can be considered, such as cost, reliability, and durability. When selecting a support, consult engineers or consulting companies for advice and guidance.
CO2 flooding is a commonly used enhanced oil recovery technique to improve the recovery rate of oil fields. It works by injecting CO2 gas into the reservoir to alter its physical and chemical properties, thereby promoting flow and increasing recovery rates. The working principle of CO2 flooding is as follows:
- Solubility Principle: CO2 has a high solubility in oil. When CO2 gas is injected into the reservoir, it dissolves within the oil, reducing viscosity and surface tension, making it easier to flow.
- Expansion Drive Principle: After CO2 gas is injected into the reservoir, it expands to form a gas phase, increasing the internal pressure of the reservoir and pushing the oil towards the wellbore. Additionally, CO2's high permeability can also improve the reservoir's permeability, enhancing flowability.
- Chemical Reaction Principle: CO2 reacts with certain components in the oil, producing soluble substances that further reduce viscosity and improve flowability.
CO2 flooding technology offers certain advantages in oilfield development, such as:
- Environmental Friendliness: CO2 is a clean, non-toxic, and renewable gas. Using CO2 flooding can reduce environmental pollution.
- Economic Efficiency: CO2 flooding can increase the recovery rate of oil fields, boost production, and thus enhance economic benefits.
- Sustainability: CO2 can be separated from air or captured and stored from industrial flue gases, enabling the recycling of CO2 and offering sustainability.
It is important to note that the application of CO2 flooding technology requires consideration of reservoir characteristics, geological conditions, and economic feasibility factors. Before implementing CO2 flooding, sufficient reservoir evaluation and engineering design must be conducted to ensure the effectiveness and safety of the technology.
For the maintenance and care of low-temperature liquid storage tanks, here are some tips and precautions:
- Regular Inspections: Periodically check the tank's exterior, internal lining, valves, and pipeline connections for corrosion, cracks, and oil leaks.
- Cleaning and Draining: Regularly clean the tank interior to remove accumulated debris and sediment. Also, regularly drain the tank to remove liquid and gas impurities.
- Corrosion Protection: The tank's shell and lining should be treated with corrosion protection. Regularly inspect and maintain the protective coating or paint to ensure its integrity and effectiveness.
- Temperature and Pressure Control: Maintain the tank's temperature and pressure within the design limits to prevent damage from extreme temperatures or pressures.
- Safety Equipment Inspection: Check the tank's safety equipment, such as safety valves, pressure sensors, and temperature sensors, to ensure they are functioning properly and their set parameters meet requirements.
- Maintenance of Level Measurement System: Regularly inspect and calibrate the level measurement system to ensure accuracy and reliability. Clean or replace level sensors as needed.
- Fire Protection Measures: Fire protection is crucial for low-temperature liquid storage tanks. Ensure that fire protection equipment around the tank is in good condition and conduct fire drills regularly.
- Regular Assessments and Monitoring: Regularly assess and monitor the tank for structural integrity, corrosion, and safety. Take appropriate maintenance and repair actions based on assessment results.
- Operator Training: Operators should receive training on the characteristics, operational requirements, and safety measures of low-temperature liquid storage tanks. Training should include safe operation, leak handling, and emergency procedures.
When using CO2 storage tanks, the following safety protocols must be adhered to ensure safety:
- Tank Operator Training: All operators must receive training to understand the characteristics, operational requirements, and safety measures of CO2 storage tanks. Training should include safe operation, leak handling, emergency procedures, etc.
- Safety Operating Procedures: Establish and adhere to relevant safety operating procedures, including tank start-up, shutdown, inspection, and maintenance. Operators should operate according to the procedures to ensure safe tank operation.
- Leak Handling: Establish a leak handling program including leak alarms, emergency shutdown, and source isolation measures. Operators should be familiar with the leak handling program and able to respond quickly and correctly to leak incidents.
- Fire Prevention Measures: CO2 is flammable, so fire prevention measures must be observed when in use. Smoking, open flames, or flammable materials are prohibited near the tank. Ensure that fire protection equipment is in good condition around the tank and that fire drills are conducted regularly.
- Exhaust Emission: Properly discharge exhaust gases generated when using CO2 storage tanks to avoid CO2 accumulation in enclosed spaces, which could lead to asphyxiation and safety risks. Ensure the exhaust emission system is unobstructed and functioning properly.
- Regular Inspection and Maintenance: Regularly inspect the tank's appearance, seals, valves, and pipeline connections. Repair or replace promptly if any abnormalities or damage are found. Also, regularly inspect and maintain accessories such as safety valves and pressure sensors.
- Emergency Response Plan: Develop and implement an emergency response plan including handling leak incidents, evacuation procedures, and first aid measures. Operators should be familiar with the emergency response plan and conduct drills regularly.
- Monitoring and Alarm System: Install and maintain the tank's monitoring and alarm system.
Our company attaches great importance to technological innovation and research and development, with one municipal-level enterprise technology center in Heze City. We have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We are equipped with over 600 instruments and equipment, including CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property test machines, chemical analyzers, spectrometers, tensile testing machines, plasma welding machines, and more. The key products and technologies we have developed, such as welding of temperature-pressure vessels, reduction of biomass boiler emissions, and waste heat recovery, have successively been included in multiple Shandong Province Ministry of Industry and Information Technology innovation projects, Shandong Province key projects, and Heze City innovative and excellent projects. We have accumulated a total of 27 authorized utility model patents, 16 authorized invention patents, participated in drafting 2 standards, 2 industrial standards, and registered 15 trademarks. Our technical team, in collaboration with Professor Yijiang Li from Shandong University, has jointly developed deep-chill container processing technology using the international plasma arc + wire-in-tube tungsten inert gas (PAW-GTAW) welding technology. After being evaluated as a provincial-level scientific and technological achievement, our technology level has reached international standards in the field of deep-chill container manufacturing. Choose Zhongjieteqiang, let's work together to create brilliance!




































