Henghui Models specializes in digital model manufacturing. We customize all kinds of miniature models with advanced production techniques tailored to your project.

Chemical Plant Equipment Modeling Plant, Microfiche Equipment Modeling Plant

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Product Details


Case of modeling of chemical plant equipment

Chemical plant equipment model (2).jpg

Project background
A petrochemical enterprise will demonstrate the need for a new project by customizing a scale refining device process model that includes core equipment such as reactor, distillation tower, heat exchanger, etc. Models require a real reduction of industrial site layouts (over 90 per cent reduction) to demonstrate process processes while meeting long-term demonstration durability requirements.


Material selection and structural design

  1. Main Frame

  • 304 stainless steel tubes to build the overall support structure and laser-cut arc welding in critical bearing areas

  • Equipment platform poles are convoluted with brass rods, and lengths of bars are strictly reduced in accordance with safety norms

  1. Device shell

  • Tower-type equipment is processed using the Aklix pipe car, with wall thickness controlled at 1.2-1.5 mm

  • The reactor shell is formed using aluminum alloy voltage to preserve the physical equipment's closing feature

  • The catheter system is bent with a brass tube and the connection is welded to ensure strength.

  1. Details Part

  • Valves, flannels, etc., are made of zinc alloy, and surfaces are processed in fine machines.

  • A laser engraved the Aclik panel on the surface of the instrument, and the scale is clearly identifiable.

  • Stairsteps use stainless steel sheeting, and smooth-lined roads are actually restored.


Core production process

  1. Precision

  • 3D-printed resins in distillation towers with an error of 0.3 mm between pallets

  • Heat-replacement tube with 0.8 mm copper tube arrays, mouth extension treatment simulation real tubing process

  • The internal catalyst bed of the reactor is shaped by foam resin, with special texture paint sprayed on the surface

  1. Surface treatment

  • Full model electrolytic polishing, removing trace of processing.

  • High-temperature equipment area to oxidize and simulate metallic discoloration under actual conditions

  • Artificial welding texture at pipe interfaces to enhance industrial quality Sensor.

  1. Anti-distorting treatment

  • Large towers are equipped with carbon fibres.

  • Platform steel plate pre-formation, welding stress.

  • The key connectors leave 0.5 mm of thermal indentation gap.


III. Painting and process performance

  1. Basic coating

  • Underground paints use epoxy Zinc Yellow.

  • Equipment main color subdivision sprayed, film thickness controlled at 60-80 m

  • The insulated layer uses special fuzzy powder coating to present real insulation material. Sensor.

  1. Process performance

  • High-temperature tube lines are being processed for gradual oxidation, from silver white to deep blue natural transition.

  • Liquid media pipelines are used for transparent resin injections, internal suspension coloured micro-ball simulation media flow

  • Placing of fluorescent warning signs in hazardous areas and autonomous light at night

  1. Protection against corruption

  • Full model polysiloxane paint, chemical corrosive.

  • The top of the open-air equipment is equipped with ultraviolet masks.

  • Use of fluorinated lubricants in active components to ensure long-term smooth operation