Your Professional Liquid ring compressor manufacturer in China
The technical team at Boke Vacuum boasts over 20 years of R&D and design experience in liquid ring compressors, serving numerous enterprises both domestically and internationally.
Based on your actual working conditions and on-site environment, Boke Vacuum can assist you in selecting optimal sealing structures and construction materials. We also provide custom-built liquid ring compressor units, as well as tailor-made single liquid ring compressors engineered to match your specific gas flow and pressure requirements.
We currently supply Model Y and YE liquid ring compressors, ideal for compressing and conveying toxic, corrosive and explosive gases, alongside applications such as VCM recovery, tail gas treatment and chlorine gas handling. Our liquid ring compressors are widely adopted for flare gas recovery in the petrochemical industry.
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![Y Liquid Ring Compressor]()
Y Liquid Ring CompressorThe Y/YE series liquid ring compressors are characterized by high exhaust pressure, compact structure, stable operation, and isothermal compression. -
![YE Liquid Ring Compressor]()
YE Liquid Ring CompressorThe Y/YE series liquid ring compressors are characterized by high exhaust pressure, compact structure, stable operation, and isothermal compression.
Features of Boke Liquid Ring Compressors
Main Layout The front and rear suction & discharge plates as well as pump covers are fastened to both ends of the pump body through tie bolts. A bearing bracket is mounted outside the pump cover to support the rotating shaft and impeller, delivering a compact layout for easy disassembly and assembly.
Impeller & Shaft Assembly The impeller is fitted onto the shaft via interference fit. The linear speed of the impeller reaches no less than 38 m/s to guarantee high-pressure output in a single stage. Cylindrical roller bearings paired with double-row angular contact ball bearings are adopted at the shaft ends to resist axial play and ensure stable operation.
Full-Cladding Sealing System (Key Innovation) Equipped with cartridge mechanical seals and cladded shaft sleeves, the rotating shaft is completely isolated from corrosive media. Three-tier sealing structure: O-rings on the shaft sleeve (impeller spigot), inner bore sealing rings (between shaft and sleeve), and face sealing rings (pump cover spigot). The reliable sealing performance makes the unit suitable for flammable, explosive and corrosive working conditions.
Optimized Suction & Discharge Plates Integrated with flexibly adjustable discharge grooves and precision suction/discharge port profiles, these plates are integrally machined on vertical machining centers, which greatly improves compression efficiency and pressure stability.
Impeller Production (Alternative to Casting & Welding)
Select round steel according to working conditions
Forge into an integral blank
Rough turning
Wire cutting for hollow blade sections
Finish milling of profiles by vertical machining centers
Advantages: Zero material defects, high strength and rigidity, ultra-precise profiles. Effectively eliminate casting porosity, welding deformation and intergranular corrosion.
Suction & Discharge Plate Production Cut steel plates into blanks → Precision machine suction/discharge port profiles and flexible discharge grooves via vertical machining centers → Assemble with pump body and other components.
Single-stage High Pressure to Replace Two-stage Units A discharge pressure up to 0.8 MPa (G) can be achieved in a single stage, replacing conventional two-stage sets. This simplifies overall structure, reduces potential failure points and cuts maintenance costs.
Upgraded Impeller Manufacturing Forged blanks combined with CNC machining eliminate casting and welding defects, extending service life and boosting working efficiency.
Full-Cladding Sealing The shaft is fully separated from process media for outstanding reliability under harsh operating conditions.
High-efficiency Precision Machining All critical components are CNC integrally formed for simple assembly and consistent stable performance.
Ideal for compression and transportation of flammable, explosive and corrosive gases in petrochemical, chemical, pharmaceutical and other industries, delivering efficient, reliable and cost-effective operation under high-pressure conditions.
Application Cases of Boke Liquid Ring Compressors
Application Case: Tail Gas Boosting Liquid Ring Compressor Unit
Liquid ring compressor units independently designed and manufactured by Boke are widely adopted for tail gas boosting in petrochemical enterprises. Below is a typical case of our tail gas boosting unit.
The liquid ring compressor unit shown in the picture is custom-designed and fabricated by our company for a petrochemical enterprise, serving tail gas boosting in liquefied petroleum gas (LPG) mercaptan removal processes. The compressor model equipped on this unit is Y-D260.
The liquid ring compressor unit shown in the picture is custom designed and manufactured by our company for a petrochemical enterprise, used for tail gas circulation and boosting in the LPG desulfurization unit. This tail gas boosting unit is equipped with two sets of Model Y-D156 liquid ring compressors.
J2BE1-202 Liquid Ring Compressor Unit
J2BE1-305 Liquid Ring Compressor Unit
Honors & Certifications of Boke
FAQ
Q: 1. What are the differences between liquid ring compressors and air compressors?
A: Liquid ring compressors are special gas compression equipment featuring liquid sealing, nearly isothermal compression, oil-free clean gas delivery, corrosion resistance and explosion-proof performance, which are designed for complicated and harsh working conditions. Air compressors are general-purpose dry mechanical compression equipment with high efficiency and high pressure, mainly supplying clean compressed air for general industrial power sources. The core factor for model selection lies in the process gas medium and operating environment.
Q: 2. What are the differences between liquid ring compressors and liquid ring vacuum pumps?
A: Liquid ring vacuum pumps generate vacuum through a rotating liquid ring. Their core function is gas extraction and pressure reduction, removing gas from sealed containers to create negative pressure. Liquid ring compressors compress gas via a rotating liquid ring. Their core function is gas pressurization and transportation, boosting gas from low pressure to positive gauge pressure for delivery.
The pump casing, end covers and connecting ports of compressors feature higher pressure resistance grades. Their impellers adopt stronger materials and higher structural rigidity to suit high-pressure discharge conditions. By contrast, vacuum pumps prioritize sealing performance to guarantee vacuum degree without high-pressure bearing design.
Q: 3. How to select a suitable liquid ring compressor?
A: To pick a matching liquid ring compressor, you shall first confirm process parameters including inlet & outlet pressure, flow rate, medium composition and operation mode. Then check core indicators such as flow capacity, pressure resistance, power and energy efficiency against industrial standards. Select proper equipment materials, service liquid and sealing solutions based on medium corrosiveness and explosion-proof requirements.
It is recommended to equip the unit with closed circulation systems, anti-cavitation structures and safety interlock devices. We advise giving priority to energy efficiency and operational stability, and complete model selection by evaluating the full-life cycle operating cost comprehensively.
Q: 4. Can liquid enter the suction flange of a liquid ring compressor?
A: Yes. The compressor allows a certain amount of liquid to flow in through the suction flange, which usually serves as make-up sealing liquid or occurs under special working conditions.
Continuous supplementary service liquid flow shall not exceed 10% of the designed flow rate. Please consult our engineering team if extra service liquid supply is required.
Q: 5. Is full-liquid startup permitted for liquid ring compressors?
A: No, it is strictly forbidden! At least half of the internal cavity of the casing must remain empty before startup.
The startup torque under full-liquid conditions will increase by 30% to 50% compared with normal operation, which poses severe damage risks to the impeller blades.
Q: 6. Do you offer customized services?
A: Yes. We can customize compressor head components including impellers and plates according to your gas flow and discharge pressure requirements. In addition, complete unit customization is available based on your site conditions, such as adding automatic start-stop devices and other auxiliary configurations.
Send us your technical requirements and working conditions, and we will select a suitable liquid ring compressor for you! If you contact us via email, we will reply to your inquiries as soon as possible.
As one of the most professional liquid ring compressor manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to buy customized liquid ring compressor made in China here from our factory.
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