一种用于BDO生产过程的高效氮气保护管路系统
By designing a high-efficiency nitrogen protection pipeline system, the problem of pressure and medium mismatch in nitrogen protection systems in chemical production was solved, achieving efficient distribution and safe use of nitrogen, reducing costs and improving the safety of production equipment and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 河南开祥精细化工有限公司
- Filing Date
- 2025-07-25
- Publication Date
- 2026-07-17
AI Technical Summary
In existing chemical production processes, nitrogen protection systems are unable to achieve precise protection under different pressures and media, resulting in low nitrogen utilization efficiency and potential pollution and safety hazards.
Design a high-efficiency nitrogen protection pipeline system, including a nitrogen compressor, a buffer tank and multiple nitrogen outlets, combined with valves and regulating devices to achieve automatic pressure regulation and gas-liquid separation, ensuring efficient distribution and safe use of nitrogen.
It enables the efficient use of nitrogen, meets the precise protection requirements of different process stages, reduces procurement and operating costs, and improves the safety of production equipment and product quality.
Smart Images

Figure CN224516519U_ABST
Abstract
Claims
1. A high efficiency nitrogen protection piping system for a BDO production process, characterized by: It includes a nitrogen compressor and a nitrogen buffer tank. A valve is installed at the inlet of the nitrogen compressor. A reflux regulating valve is installed between the inlet and outlet of the nitrogen compressor. The outlet of the nitrogen compressor is connected to the inlet of the nitrogen buffer tank. A valve is also installed at the inlet of the nitrogen buffer tank. Three nitrogen outlets are provided at the top of the nitrogen buffer tank. A side nitrogen outlet is provided on the side of the nitrogen buffer tank. A nitrogen replenishment pipeline is connected between the side nitrogen outlet and one of the nitrogen outlets at the top of the nitrogen buffer tank. A regulating valve is installed on the nitrogen replenishment pipeline.
2. A high efficiency nitrogen protection piping system for BDO production process as claimed in claim 1 wherein: The nitrogen compressor has two side outlets connected to its main outlet: one is a 0.25MPa nitrogen outlet, and the other is a 0.6MPa nitrogen outlet. The 0.25MPa nitrogen outlet is connected to the nitrogen buffer tank, and the 0.6MPa nitrogen outlet is connected to the BYD stripping tower.
3. A high efficiency nitrogen protection piping system for BDO production process as claimed in claim 1 wherein: A safety valve and a remote pressure monitoring device are also installed at the main outlet of the nitrogen compressor.
4. A high-efficiency nitrogen protection pipeline system for BDO production process according to claim 1, characterized in that: A safety pipe is provided at the top of the nitrogen buffer tank, and a second safety valve is installed on the safety pipe.
5. A high efficiency nitrogen protection piping system for BDO production process as claimed in claim 1 wherein: A draining device is provided at the bottom of the nitrogen buffer tank.
6. A high efficiency nitrogen blanket line system for BDO production process as claimed in claim 1, wherein: A regulating valve 2 is installed at the side nitrogen outlet.