Editorial Technical Reference

Insulated Storage Tank

This page explains how Insulated Storage Tank is classified within Non-Metallic Mineral Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A thermally insulated vessel designed to store asphalt at controlled temperatures within an asphalt storage and heating system.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Insulated Storage Tank

Definition
The insulated storage tank is a critical component of asphalt storage and heating systems, specifically engineered to maintain asphalt at optimal temperatures (typically 150-180°C) to prevent solidification and ensure proper viscosity for subsequent handling and processing. It serves as the primary containment unit where asphalt is stored before being transferred to heating zones or distribution points. The tank is constructed with a carbon steel shell (Q235B per GB/T 3274) and an inner tank of Q345R (GB/T 713), with optional stainless steel 304/316 for corrosion resistance. Insulation is provided by mineral wool or polyurethane foam, typically 100-200 mm thick, to minimize heat loss. The tank may incorporate internal heating elements (electric or thermal oil coils) or rely on external heating systems, with a heating power range of 30-120 kW. Temperature control is achieved via PID controllers with sensors, maintaining accuracy of ±2°C. Design pressure ranges from 1.0 to 1.6 MPa (GB 150), with optional full vacuum to 0.1 MPa. Storage capacity ranges from 20 to 100 m³, with custom sizes available. Operating temperature is typically 120-180°C, with a maximum of 200°C for short periods. Heat loss is ≤0.5 W/(m²·K) at 150°C and ambient 20°C. Overall dimensions vary from 3-6 m diameter and 6-12 m length, with empty weight between 5-20 t. This product is a component for industrial asphalt storage and heating systems, and all specifications must be verified with the manufacturer for specific models and applications.
Working Principle
The tank utilizes insulation materials (such as mineral wool or polyurethane foam) surrounding the storage chamber to minimize heat loss. It may incorporate internal heating elements (electric or thermal oil coils) or rely on external heating systems to maintain the required temperature. Temperature sensors and control systems regulate heating to keep asphalt within specified viscosity ranges.
Common Materials
Carbon steel, Stainless steel (for corrosion resistance), Mineral wool insulation, Polyurethane foam insulation
Technical Parameters
ParameterTypical rangeNotes & selection driver
Storage Capacity20–100 Custom sizes available upon request
Operating Temperature120–180 °CMax. 200°C for short periods
Design Pressure1.0–1.6 MPaFull vacuum to 0.1 MPa optionalGB 150
Heat Loss≤0.5 W/(m²·K)At 150°C, ambient 20°C
Insulation Thickness100–200 mmRock wool or polyurethane
Shell MaterialQ235BStainless steel 304/316 optionalGB/T 3274
Inner Tank MaterialQ345RCorrosion-resistant lining availableGB/T 713
Heating System Power30–120 kWElectric or thermal oil
Temperature Control Accuracy±2 °CPID controller with sensor
Empty Weight5–20 tDepends on capacity and insulation
Overall Dimensions3–6 × 6–12 mDiameter × length

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Tank Shell
    Primary containment structure for asphalt storage
    Material: Carbon steel
  • Insulation Layer Part
    Reduces heat loss to maintain temperature
    Material: Mineral wool
  • Heating Coils Part
    Provides heat input to maintain asphalt temperature
    Material: Stainless steel
  • Temperature Sensors
    Monitors internal temperature for control systems
    Material: Stainless steel with thermocouple

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Insulated Storage Tank.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 0.5 bar gauge (vented design)
other spec: Slurry concentration: Up to 70% solids by weight, Flow rate: 5-50 m³/hr transfer capability
temperature: 150°C to 200°C (maintains asphalt viscosity)
Media Compatibility
✓ Hot asphalt binder ✓ Modified asphalt polymers ✓ Asphalt emulsion storage
Unsuitable: Chlorinated solvents or strong oxidizing agents
Sizing Data Required
  • Required storage capacity (m³)
  • Maximum daily throughput (tons/day)
  • Required temperature maintenance duration (hours)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion Under Insulation (CUI)
Cause: Moisture ingress through damaged insulation or cladding leading to hidden corrosion of tank walls, accelerated by temperature cycling and chemical exposure.
Insulation Degradation and Loss of Thermal Efficiency
Cause: Water absorption, physical damage, or aging of insulation materials reducing thermal performance, leading to energy loss, condensation, and potential process issues.
Maintenance Indicators
  • Visible rust streaks, bulging, or wet spots on insulation cladding indicating moisture ingress and potential hidden corrosion.
  • Significant increase in energy consumption or inability to maintain temperature setpoints, suggesting insulation failure or thermal bridging.
Engineering Tips
  • Implement regular non-destructive testing (e.g., infrared thermography, ultrasonic thickness testing) to detect hidden corrosion and insulation voids before failures occur.
  • Ensure proper design and maintenance of vapor barriers, sealants, and cladding to prevent moisture ingress, and use corrosion-resistant coatings under insulation where applicable.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ASME Boiler and Pressure Vessel Code Section VIII Division 1 EN 14015:2004 - Specification for the design and manufacture of site built, vertical, cylindrical, flat-bottomed, above ground, welded, steel tanks for the storage of liquids at ambient temperature and above

Quoted from the published standard.

Manufacturing Precision
  • Wall Thickness: +/-5% of specified thickness
  • Circularity (Roundness): Maximum deviation of 0.5% of tank diameter
Quality Inspection
  • Vacuum Box Leak Test for all welds
  • Ultrasonic Thickness Testing for corrosion assessment

Manufacturers of Insulated Storage Tank

2 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Wenzhou Kinding Machinery Co., Ltd.
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Zhongneng Huajian Metal Structure
Shandong, CN
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
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Frequently Asked Questions

What is the typical operating temperature range for this insulated storage tank?

The typical operating temperature range is 120-180°C, with a maximum of 200°C for short periods. This range ensures asphalt remains fluid and prevents solidification.

What materials are used for the tank shell and insulation?

The shell is typically carbon steel Q235B (GB/T 3274) or stainless steel 304/316 for corrosion resistance. The inner tank is Q345R (GB/T 713). Insulation is mineral wool or polyurethane foam, 100-200 mm thick.

How is temperature controlled in the tank?

Temperature is controlled using PID controllers with sensors, providing accuracy of ±2°C. Heating is achieved via electric or thermal oil coils, with power ranging from 30-120 kW.

What design pressure does the tank support?

The design pressure ranges from 1.0 to 1.6 MPa, per GB 150. Optional full vacuum to 0.1 MPa is available. Always verify with the manufacturer for specific models.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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