JONSN Micro Gear Pump Petrochemical and Refining Auxiliary Solution
JONSN Micro Gear Pump Petrochemical and Refining Auxiliary Solution
Petrochemical and refining units operate under extreme conditions—temperatures ranging from ambient to 500°C, pressures from atmospheric to 20 MPa, and media spanning crude oil to concentrated sulfuric acid and sodium hydroxide. Auxiliary systems—online sampling, additive injection, desulfurization solvent circulation, acid-alkali neutralization, FCC catalyst replenishment, and overhead corrosion inhibitor injection—constitute the triple bottom line of unit safety, product quality, and environmental emissions.
Extreme Conditions
Ambient to 500°C, atmospheric to 20 MPa, crude oil to concentrated H2SO4 and NaOH — petrochemical auxiliary streams demand the most aggressive metallurgy.Triple Bottom Line
Online sampling, additive injection, desulfurization solvent circulation, acid-alkali neutralization, FCC catalyst replenishment, and overhead corrosion inhibitor injection — covering unit safety, product quality, and environmental emissions.Reliability Challenge
Alternating acid-alkali corrosion, ppm-level dosing accuracy, high-temperature high-pressure sealing, and 8,000+ hours/year continuous operation.Category Text
As an elite petrochemical refining gear pump supplier, JONSN powers Hastelloy magnetic drive pump skids, online sampling micro metering pump units, and zero leakage amine circulation pump systems.Five Core Industry Pain Points in Petrochemical Refining
Sampling representativeness distortion, additive injection dosing deviations, desulfurization amine corrosion/cavitation, FCC catalyst powder abrasive wear, and overhead inhibitor injection interruption — each eroding unit economics, batch quality, and refinery safety envelopes.
Six Detailed Petrochemical Auxiliary Processes
Six critical auxiliary process solutions — online sampling (MPG), additive injection (MPG/MRA), desulfurization solvent (DP), acid-alkali neutralization (MRA Hastelloy), FCC catalyst replenishment (DP), and overhead inhibitor injection (MPG High-Pressure) — each mapped to recommended JONSN pump series with technical parameters and key adaptations.
Product Selection Quick Reference for Petrochemical Processes
Engineering selection matrix covering every petrochemical auxiliary step — online sampling, additive injection, desulfurization solvent circulation, acid-alkali neutralization, FCC catalyst replenishment, and overhead corrosion inhibitor injection — with media & operating conditions, recommended JONSN series, flow / displacement, and key adaptations.
| Process Step | Medium / Condition | Recommended Series | Flow / Displacement | Key Adaptation |
|---|---|---|---|---|
| Online Sampling | Gasoline / Diesel / LPG, Ambient-400°C | MPG Series | 1–280 mL/min (40 μL/r) | Dead Volume<0.5 mL, Multi-Channel Valve |
| Additive Injection | Demulsifier / Antifoam / Inhibitor / Antioxidant | MPG / MRA Series | 1–2,000 mL/min × N independent channels | Positive Displacement, Viscosity Immunity, Hastelloy |
| Desulfurization Solvent | MDEA / DEA Amine, 40–60°C | DP High-Viscosity Series | 0.2–100 cc/r | Magnetic Seal Zero Leakage, 316L / Duplex Steel |
| Acid-Alkali Neutralization | Conc. H2SO4 / NaOH, pH 0–14 | MRA Series (Hastelloy) | 100–2,000 mL/min | Hastelloy C-276 Full Corrosion Resistant, Δ <±1% |
| FCC Catalyst Replenishment | FCC Catalyst Slurry, up to 260°C | DP Series (Hardened) | 0.2–100 cc/r | Nitrided Gears, 40%–60% Solids, Heated Jacket |
| Overhead Inhibitor Injection | Corrosion Inhibitor, 0.2–2.0 MPa | MPG High-Pressure Series | 1–280 mL/min (40 μL/r) | 5.0 MPa Rating, Dual-Pump Redundancy Switch<1s |
Safety, Explosion-Proof & Five Core Engineering Values
Combined safety/explosion-proof matrix and five core engineering values — full metallurgy options, magnetic zero-leakage, API 682 compliance, and 20,000h design life — turning JONSN into the single-source supplier for refining auxiliary loops across SINOPEC, CNOOC, and global petrochemical EPCs.
Full Magnetic API 682 Zero-Leakage:
Full-series magnetic drive eliminates dynamic seals, meeting API 682 zero-leakage requirements; ATEX/IECEx explosion-proof certification available for flammable media.Full Metallurgy Coverage:
316L, Hastelloy C-276, Duplex Stainless Steel, and Titanium options covering all corrosive refinery streams.Wide Temperature Envelope:
Operating temperature range -20°C to 260°C, covering tower overhead reflux condensation to FCC high-temperature replenishment.20,000h Lifespan:
Design life >20,000 hours, matching the 3–5 year turnaround overhaul cycle of modern refining units.Petrochemical & Refining Technical FAQ
How does a JONSN petrochemical refining gear pump maintain continuous injection against 2.0 MPa tower overhead backpressure?
Conventional metering pumps suffer serious flow decay under high backpressure, risking overhead condenser corrosion perforation. A JONSN petrochemical refining gear pump (MPG high-pressure series with 40 μL/r displacement) tolerates static backpressure up to 5.0 MPa, keeping flow decay<1% at 2.0 MPa. Paired with dual-pump redundancy that switches to backup in <1 second, it guarantees continuous 5–20 ppm trace injection over 8,000+ continuous hours.
What metallurgy and seal-less features make JONSN a premier Hastelloy magnetic drive pump for alternating acid-alkali alkylation?
In sulfuric acid alkylation, lines alternate between concentrated H2SO4 (pH < 0) and concentrated NaOH (pH > 14). The JONSN Hastelloy magnetic drive pump (MRA series) utilizes solid CNC-carved Hastelloy C-276 housings paired with virgin PEEK/ceramic gears and PTFE seals. Resisting full pH 0–14 corrosion, its hermetic magnetic coupling replaces mechanical seals, allowing a single pump to handle both acid and alkali without dual-pump switching leaks.
Why is JONSN online sampling micro metering pump technology superior for preventing sulfur analysis distortion?
Conventional sampling pumps have dead volumes > 50 mL, where residual dilution and light hydrocarbon vaporization cause > 5% volume deviations and gasoline sulfur test failures. A JONSN online sampling micro metering pump (MPG series) features an ultra-low dead volume<0.5 mL, achieving complete sample displacement with <2 mL flush volume and cross-contamination <0.1%. Positive displacement ensures sampling volume is immune to fluid vaporization.
How does a JONSN zero leakage amine circulation pump eliminate H2S poisoning risks in desulfurization units?
MDEA/DEA amine solutions carry toxic wet H2S that causes sulfide stress cracking and leaks in dynamic mechanical seals. A JONSN zero leakage amine circulation pump (DP series 0.2–100 cc/r) utilizes hermetic static O-ring containment shells with 316L or duplex stainless steel housings. Handling viscosities up to 50,000 MPa·s without foaming, it completely eliminates fugitive H2S emissions, fully meeting API 682 zero-leakage refinery standards.
