一种防砂型气液分离器橇
By designing a sand-resistant gas-liquid separator skid at the gas well site, and adopting sand-flushing spray pipes and an intelligent control system, the problem of sand and gravel blockage and erosion in gravity separators has been solved. Online sand flushing and efficient maintenance have been achieved, improving production efficiency and equipment lifespan, and ensuring the continuity and safety of gas production operations.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SICHUAN KEXIN MECHANICAL & ELECTRICAL EQUIPCO
- Filing Date
- 2025-08-13
- Publication Date
- 2026-07-17
AI Technical Summary
In the later stages of gas production and when operating at wellheads with high sand content, existing gravity separators at gas production sites are prone to blockage, erosion, and caking due to gravel, resulting in high equipment maintenance costs, long downtime, and impact on production efficiency and safety.
A sand-resistant gas-liquid separator skid was designed, which includes a sand-flushing spray pipe, a bypass sand-flushing pipe, multiple parallel sewage discharge branches, a basket filter with a quick-opening device, and an intelligent control system to achieve online sand flushing, intelligent sewage discharge, and efficient maintenance, reducing manual intervention and equipment damage.
This enables sand flushing operations to be performed without stopping the machine, reducing maintenance costs and time, improving the automation level and production efficiency of the equipment, extending the service life of the regulating valve, and ensuring the continuity and safety of gas extraction operations.
Smart Images

Figure CN224506516U_ABST
Abstract
Claims
1. A sand control gas-liquid separator skid, characterized by: include: The system includes a separator, a raw material gas pipe, and a sewage discharge pipe. The bottom of the separator is equipped with a sand-flushing spray pipe for cleaning the bottom of the separator. The raw material gas pipe is equipped with a bypass sand-flushing pipe, which is connected to the sand-flushing spray pipe. The sewage discharge pipe is connected to the bottom of the separator. A shut-off valve is installed at the rear end of the raw material gas pipe connected to the bypass sand-flushing pipe.
2. A sand control gas-liquid separator skid as defined in claim 1, wherein: The sand-washing spray pipe is evenly arranged with multiple high-pressure nozzles.
3. A sand control gas-liquid separator skid as defined in claim 1, wherein: The sand-washing spray pipe is equipped with a sand-washing interface.
4. A sand control gas-liquid separator skid as defined in claim 1, wherein: The bypass flushing pipe is equipped with a control valve.
5. A sand control gas-liquid separator skid as defined in claim 1, wherein: The sewage pipeline includes multiple parallel sewage branches, each of which is equipped with a gate valve and an emergency shut-off valve.
6. A sand control gas-liquid separator skid as defined in claim 5, wherein: The outermost branch bend of the multiple sewage branch roads is set as a tee, the tee branch road connects to the sewage branch road, and the main road is set as a flange blind plate.
7. A sand control gas-liquid separator skid as defined in claim 5, wherein: The sewage branch is equipped with a basket filter with a quick-opening device.
8. A sand control gas-liquid separator skid as defined in claim 5, wherein: The sewage branch is equipped with a flow-limiting orifice plate and a regulating valve, and a pressure sensor is installed behind the flow-limiting orifice plate.
9. A sand control gas-liquid separator skid as defined in claim 8, wherein: It includes a control system, which is electrically connected to a gate valve, a pressure sensor, an emergency shut-off valve, and a regulating valve.
10. A sand control gas-liquid separator skid as defined in claim 9, wherein: The separator is equipped with a liquid level sensor, which is electrically connected to the control system.