Industrial Park Self-Use Skid-Mounted Refueling Unit
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Email:claire@techprevalor.com
I. Core Definition & Regulatory Basis
Skid-mounted fuel station (standard industry spelling: "skid-mounted") is a movable ground fuel dispensing unit highly integrated with oil storage, refueling, oil unloading, oil vapor recovery, safety protection and intelligent control functions on a steel skid base. Its formal technical name is barrier explosion-proof skid-mounted fuel dispensing device. Essentially a modular, standardized "mobile fuel station", it can be hoisted and relocated as a whole without complicated civil engineering required for conventional fixed fuel stations.
Core Regulatory Standards
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AQ/T 3002-2021 Technical Requirements for Barrier Explosion-Proof Skid-Mounted Fuel (Gas) Devices (implemented on August 1, 2021), issued by the Ministry of Emergency Management of the People’s Republic of China
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GB50156-2021 Technical Standard for Automobile Refueling, Gas Refueling and Hydrogen Refueling Stations
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GB150 Pressure Vessels
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GB8624 Classification of Combustion Performance of Building Materials and Products
Mandatory Technical Parameters
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Maximum volume of single tank ≤50m³ (≤20m³ recommended for built-up urban areas)
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Total combined volume of multiple tanks generally ≤120m³
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Atmospheric pressure design; design pressure of inner tank ≥0.8MPa
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Minimum wall thickness of steel oil tank ≥6mm (mandatory national standard)
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Filling rate of barrier explosion-proof materials ≥95%
II. Full Structure Breakdown & Detailed Introduction of Core Components (Professional Grade)
1. Barrier Explosion-Proof Double-Layer Storage Tank (Core Safety Component)
|
Component |
Technical Parameters |
Function Description |
|---|---|---|
|
Material |
Q235B/Q345R carbon steel; stainless steel optional |
Ensure tank structural strength and corrosion resistance; Q345R features over 20% higher strength than Q235B |
|
Wall Thickness |
National standard minimum 6mm; common specifications: 6/8/10mm |
8mm for long-term service; 10mm for harsh environments (mines / construction sites) |
|
Structure |
Double-layer tank (inner tank + outer tank) with 50–100mm interlayer gap |
Inert gas filling or leakage detection system installed in interlayer for real-time leakage monitoring |
|
Barrier Explosion-Proof Material |
Special aluminum alloy / stainless steel mesh with honeycomb or spherical structure |
Divide internal tank space into tiny compartments to inhibit flame propagation; no explosion under open flame, bullet impact or collision |
|
Anti-Corrosion Process |
Epoxy zinc-rich primer + intermediate paint + topcoat (coating thickness ≥200μm) / FRP outer cladding |
Extend service life to over 15 years with acid and alkali resistance |
|
Accessories |
DN600 manhole, anti-overflow valve, emergency pressure relief valve (opening pressure: 0.02–0.03MPa), high/low liquid level sensors (precision ±1mm), sewage outlet |
Guarantee safe operation and convenient maintenance |
|
Stiffeners |
No less than 4 sets of internal stiffeners for single tanks over 25m³ |
Prevent tank deformation and enhance structural stability |
2. Fuel Dispensing System (Core for Efficient Oil Supply)
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Explosion-proof fuel dispenser: Explosion-proof motor (Ex d IIB T4), drip-proof automatic shut-off nozzles, functions for fixed volume / fixed amount / fixed monetary value refueling; optional single dispenser with dual or four nozzles for multiple oil types
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Oil vapor recovery system: Primary (unloading) / secondary (refueling) / tertiary (adsorption) recovery, recovery efficiency ≥95%, complying with GB 37822-2019 to cut VOCs emissions
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Oil unloading system: Oil-resistant and pressure-resistant unloading hoses, DN80/DN100 quick connectors, anti-overflow valves, oil vapor recovery ports, static grounding devices (grounding resistance ≤4Ω)
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Oil pump: Explosion-proof submersible pump / gear pump, flow rate 30–60L/min, delivery head ≥15m, noise ≤75dB
3. Nine-Layer Comprehensive Safety Protection System
|
Protection Type |
Core Configuration |
Technical Requirements |
Safety Effect |
|---|---|---|---|
|
Explosion Prevention |
Barrier explosion-proof materials + Ex d IIB T4 explosion-proof electrical appliances |
Pass national explosion-proof inspection; no explosion after 2-hour open flame burning test |
Reduce explosion shock wave intensity by over 90% |
|
Fire Resistance |
Class A1 flame retardant fire panels / 50–80mm rock wool thermal insulation |
Withstand temperature over 1000°C; flame retardant duration ≥90 minutes |
Stop fire spread and protect tank structure |
|
Fire Suppression |
8–16kg ultra-fine dry powder automatic fire suppression system covering refueling zone and control cabinet |
Response time ≤3 seconds, fire extinguishing efficiency over 99% |
Put out initial fire within 3 seconds |
|
Overflow Prevention |
High liquid level alarm + anti-overflow valve, liquid level precision ±1mm |
Automatic alarm at 90% liquid level and automatic oil cut-off at 95% during unloading |
Avoid oil spillage and environmental pollution |
|
Static Elimination |
Static grounding device + cross bonding, grounding resistance ≤4Ω |
Eliminate static accumulation to prevent spark generation |
Eliminate explosion risks caused by static electricity |
|
Emergency Cut-Off |
Manual / automatic emergency cut-off valve with auto shut-off upon power failure |
Rapid oil pipeline cut-off within ≤1 second in accidents |
Prevent leakage and spreading of oil products |
|
Pressure Relief |
Emergency pressure relief device with opening pressure 0.02–0.03MPa |
Avoid excessive internal tank pressure and preserve tank integrity |
Prevent tank rupture due to overpressure |
|
Gas Monitoring |
Combustible gas detector triggering alarm at LEL ≤25%, covering refueling and unloading areas |
Real-time monitoring of oil vapor concentration with audible & visual alarms |
Early warning of oil vapor leakage hazards |
|
Lightning Protection |
Lightning receptors + down conductors, grounding resistance ≤10Ω |
Prevent accidents induced by lightning strikes |
Protect electrical equipment and personnel safety |
4. Intelligent Control System (Optional High-End Configuration)
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Remote monitoring: 4G/5G IoT module, real-time upload of liquid level, pressure, temperature and flow data to cloud platform for mobile APP real-time checking
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Intelligent management: IC card / license plate recognition / APP payment, automatic upload of refueling records, fleet management support (vehicle information, driver access authority, refueling limit settings)
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Fault diagnosis: Automatic detection of system faults (leakage, pump malfunction, sensor failure), remote alarm, OTA upgrade support
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Energy consumption analysis: Oil vapor recovery efficiency monitoring and energy statistics to optimize operation costs (10–20% annual fuel cost savings)
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Permission management: Multi-level user access (administrator / operator / driver) to avoid unauthorized operation; operation records stored for over 1 year for traceability
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Unattended operation: License plate recognition + automatic payment + remote customer service, no on-site staff required, suitable for remote areas and night operation
III. Complete Product Classification (Professional Breakdown)
1. Classification by Appearance Structure (Affect Deployment & Transportation)
|
Type |
Structural Features |
Volume Range |
Applicable Scenarios |
Core Advantages |
|---|---|---|---|---|
|
Bare Tank Type |
No outer protective panels, only frame + tank body |
5–30m³ |
Temporary construction sites, overseas projects, tight budget |
Low cost (15–20% cheaper than fireproof board type), superior heat dissipation, easy assembly & disassembly |
|
Container Type |
Standard 20/40ft container body with high integration |
5–30m³ |
Cross-border transportation, standardized station construction in industrial parks |
Excellent sealing, convenient sea/land transportation, uniform appearance |
|
Fireproof Board Type |
Outer cladded with Class A1 flame retardant thermal insulation panels |
5–50m³ |
Conventional station construction for domestic enterprises |
Fire & heat insulation, high regulatory compliance, attractive and durable |
|
Customized Type |
Special-shaped structure tailored to special sites |
5–50m³ |
Ports, airports, mines and other special scenarios |
Custom-designed to perfectly fit site constraints |
2. Classification by Volume (Single Tank ≤50m³, National Standard Upper Limit)
|
Volume Specification |
Compartment Configuration |
Occupied Dimensions |
Applicable Scenarios |
Reference Price (CNY) |
|---|---|---|---|---|
|
Small Size |
5m³/10m³ (single / dual compartment) |
3m×5m×2.5m (approx. 15㎡) |
Small fleets (≤20 vehicles), small factories |
80,000 – 150,000 |
|
Medium Size |
20m³/25m³/30m³ (mainly dual compartment) |
4m×6m×2.5m (approx. 24㎡) |
Logistics parks, bus stations (20–50 vehicles) |
180,000 – 300,000 |
|
Large Size |
40m³/50m³ (multi-compartment optional) |
5m×8m×2.5m (approx. 40㎡) |
Large industrial & mining plants, port fleets (≥50 vehicles) |
350,000 – 500,000 |
3. Classification by Compartment Structure (Affect Oil Compatibility)
|
Structure |
Features |
Applicable Scenarios |
Price Difference |
|---|---|---|---|
|
Single Compartment |
Single oil storage chamber with simple structure |
Enterprises with single oil type demand (pure diesel fleets) |
Base price, no extra surcharge |
|
Dual Compartment |
Isolated dual storage chambers (e.g. 10+10m³, 20+10m³), one dispenser with dual nozzles |
Mixed fleets using gasoline & diesel |
10–15% higher than single compartment model |
|
Multi-Compartment |
Three or more separated chambers (e.g. 10+10+10m³) |
Enterprises requiring special oil products (gasoline + diesel + lubricant) |
20–30% higher than single compartment model |
4. Classification by Oil Type (Affect Explosion-Proof Grade & Materials)
|
Oil Type |
Explosion-Proof Grade |
Special Requirements |
Price Impact |
|---|---|---|---|
|
Gasoline |
Ex d IIB T4 (high grade) |
Oil vapor recovery efficiency ≥95%, double-layer tank + leakage detection system |
Base price ×1.1 |
|
Diesel |
Ex d IIA T3 (medium grade) |
Low temperature resistance (optional -10℃/-20℃ version), anti-gelling device |
Base price benchmark |
|
Dual Oil (Gasoline + Diesel) |
Compatible with gasoline and diesel |
Separated dual compartments, independent oil vapor recovery systems, anti-mixing design |
Base price ×1.2 |
|
Special Oil |
Jet fuel, methanol/ethanol fuel, lubricating oil |
Custom chambers, special chemical-resistant pipelines |
Base price ×1.5–2.0 |
5. Classification by Intelligence Level (Affect Management Efficiency)
|
Grade |
Configuration |
Functions |
Price Difference |
|---|---|---|---|
|
Basic Version |
Only standard safety configurations |
No remote monitoring, manual refueling record keeping |
Base price |
|
Standard Version |
Standard intelligent control system |
IC card refueling, local data storage, basic report generation |
Base price ×1.1 |
|
Advanced Version |
Remote monitoring + mobile APP management |
Real-time data upload, remote control, fault alarm, fleet management |
Base price ×1.2–1.3 |
|
Flagship Version |
AI intelligent system + full unattended operation |
License plate recognition, automatic payment, energy consumption analysis, predictive maintenance |
Base price ×1.5–1.8 |
IV. Detailed Breakdown of Core Price Influencing Factors (Accurate Quotation Guide)
1. Weight Table of Core Pricing Parameters
|
Influencing Factor |
Weight Ratio |
Price Variation |
Judgment Standard |
|---|---|---|---|
|
Tank Volume |
30% |
Price rises 20–30% per additional 10m³ |
Single tank ≤50m³; total volume of dual compartments ≤100m³ |
|
Compartment Structure |
15% |
Dual compartment +10–15%; multi-compartment +20–30% |
Integrity of compartment isolation and anti-oil-mixing performance |
|
Steel Plate Thickness |
10% |
6mm upgraded to 8mm: +10%; 8mm upgraded to 10mm: +10% |
National standard minimum 6mm; thicker plates deliver higher safety and longer service life |
|
Explosion-Proof Performance |
10% |
Price gap caused by quality of barrier explosion-proof materials and certification grade |
Must pass national explosion-proof inspection (e.g. China Special Equipment Inspection & Research Institute) |
|
Fire & Flame Retardant Performance |
8% |
Price varies by fire panel grade (Class A1 optimal) and thickness |
Flame retardant duration ≥90 minutes, comply with GB50156 |
|
Fire Suppression System |
7% |
Ultra-fine dry powder / CO₂ systems, capacity range 8–16kg |
Response time ≤3 seconds, full zone coverage |
|
Intelligence & Remote Control Level |
15% |
Remote monitoring / APP / AI / unattended functions |
More functions equal higher price and easier management |
|
Brand & After-Sales Service |
5% |
Premium brands +20%; packages including installation, commissioning & training |
1–3 year warranty, after-sales response within 24 hours |
2. Practical Price Differentiation Guidelines
(1) Impact of Steel Plate Thickness & Explosion-Proof Materials
-
Standard 6mm plate: Base price, meets fundamental safety requirements
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8mm thickened plate: +10% cost, stronger anti-deformation performance for long-term service
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10mm extra-thick plate: +20% cost, suitable for harsh mine and construction site environments
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Imported barrier explosion-proof materials: +15–20% cost, over 5 years longer service life and superior explosion-proof performance
(2) Upgrades for Fire Retardant & Fire Suppression Systems
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Basic Class A1 50mm fire panel: Base price
-
Thickened Class A1 80mm fire panel: +8% cost, enhanced heat insulation effect
-
Standard 8kg ultra-fine dry powder fire suppression system: Base price
-
Dual suppression system (ultra-fine dry powder + carbon dioxide): +15% cost, ideal for high-risk chemical industrial parks
(3) Price Surcharges for Intelligent & Remote Control Configurations
|
Optional Configuration |
Price Surcharge Ratio |
Core Functional Highlights |
|---|---|---|
|
Remote Monitoring Module |
+10% |
Real-time liquid level, pressure & temperature viewing; mobile APP fault alarm |
|
IC Card / License Plate Recognition System |
+12% |
Automatic vehicle identification, refueling data recording, fleet management support |
|
Full Unattended Operation System |
+30% |
License plate recognition + automatic payment + remote customer service, zero on-site staffing required |
|
AI Energy Consumption Analysis System |
+15% |
Optimize refueling strategies and cut operating costs |
V. Compliance Approval Process & Purchasing Guidelines
1. Compliance Approval Procedures (Self-Use Type, Key Steps)
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Project Filing: Submit project feasibility report for filing with Economic & Information Commission / Development & Reform Commission
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Safety Assessment: Safety condition review by emergency management department and issuance of safety evaluation report
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Fire Control Approval: Fire design review and acceptance by fire department with complete fire-fighting equipment deployment
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EIA Approval: Environmental impact assessment by environmental authority to verify qualified oil vapor recovery systems
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Comprehensive Acceptance & Filing: Obtain Hazardous Chemical Business License (mandatory for commercial external sales) after passing full acceptance
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Routine Supervision: Regular safety inspections, lightning & static electricity testing, and equipment maintenance
2. Core Purchasing Standards (Avoid Pitfalls)
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Complete Qualifications: Special Equipment Manufacturing License, explosion-proof certification, ISO9001/14001 certification
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Mandatory Safety Configurations: Double-layer tank + leakage detection + barrier explosion-proof device + automatic fire suppression + emergency cut-off valve (all indispensable)
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Environmental Compliance: Oil vapor recovery efficiency ≥95%, meet national VOCs emission standards
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Site Matching: Select specifications according to fleet scale, oil type and site space dimensions
-
After-Sales Support: 1–3 year warranty, full installation & commissioning, staff training and periodic maintenance services
3. Full Life Cycle Cost Analysis
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Initial Investment: Skid-mounted equipment + foundation construction + approval fees (1/5–1/3 the cost of a conventional fixed fuel station)
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Operation & Maintenance Cost: Annual maintenance fee accounts for 2–3% of total equipment value; low power consumption (oil vapor recovery system power ≤1kW)
-
Service Life: Over 15 years, far longer than temporary refueling equipment
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Relocation Cost: Integral hoisting relocation with low expense (5–10% of initial investment)
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Economic Benefits: Self-use by enterprises cuts fuel costs by 10–20% and boosts refueling efficiency by over 40%
VI. Summary & Model Selection Recommendations
Skid-mounted fuel stations represent a new integrated refueling solution combining safety, environmental friendliness, high efficiency and flexibility, widely deployed in logistics parks, industrial and mining enterprises, ports, bus terminals, airports and other scenarios. Prices range from 80,000 CNY to over 500,000 CNY, determined by seven core factors: tank volume, compartment structure, steel plate thickness, explosion-proof performance, fire retardant capacity, fire suppression system and intelligence level.
Model Selection Suggestions
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Small enterprises (≤20 vehicles): 10m³ single/dual compartment fireproof board type, basic safety package + standard intelligent system
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Medium enterprises (20–50 vehicles): 20–30m³ dual compartment fireproof board type, 8mm steel plate + advanced intelligent system + dual fire suppression system
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Large enterprises (≥50 vehicles): 40–50m³ multi-compartment fireproof board type, 10mm steel plate + flagship intelligent system + full set of protective configurations
Would you like me to generate a customized selection plan and precise quotation sheet based on your specific requirements (fleet size, oil type, site dimensions, budget range)? If you provide these details, I can deliver a detailed configuration list and price bracket.
Copy Remarks
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All technical terms, national standard codes and explosion-proof grades adopt unified international industry standard English expressions, applicable for foreign trade catalogs, bidding documents and product brochures;
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Currency unit CNY retained for domestic quotation; replace with USD/EUR directly for overseas business;
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All table formats, paragraph logic and heading levels fully consistent with original Chinese text, one-click copy available for Word, website and PPT editing.
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