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Chemical catalyst screw

PRODUCT PARAMETERS

  • Application: Chemical Catalyst Extruder
  • Origin: China
  • Brand Name: JED
  • Specifications: Φ60mm~Φ250mm
  • Material: 38CrMoAlA
  • Nitriding Hardness: HV900-HV1000
  • Nitriding Surface Depth: 0.45-0.8mm
  • Nitriding Brittleness: Below Level 2
  • Surface Roughness: Ra 0.8
  • Screw Straightness: R0.015mm
  • Length-to-Diameter Ratio: 1:(8-25)
  • Bimetallic: Alloy layer 2-2.5
  • Hard Chrome Plating: Thickness 0.03-0.05
Description
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Description

The catalyst screw, often referred to as a chemical extruder screw, is a key component used in chemical equipment for catalyst molding. It is primarily used in equipment such as extruders and pelletizers. Its design and operating principle directly impact the catalyst molding effect and production efficiency. The following is a summary of relevant information about chemical extruder screws:

I. Equipment Types and Functions

1.Single-Screw Extruder

  • It utilizes a three-stage chemical extruder screw design (conveying, compacting, and extrusion sections). The variable-pitch helical structure generates high pressure, enabling continuous extrusion of powder materials.
  • Experimental equipment (such as the CN-JTJ02) supports small-batch production (1-5 kg/h) and features an adjustable orifice diameter (1.5-4 mm), making it suitable for laboratory research.

2.Twin-Screw Extruder

  • The twin-screw structure enhances mixing with its unique chemical extruder screw system and is suitable for materials with high moisture contents (35%-40%). Capacities can reach 500-3000 kg/h.
  • Industrial-grade equipment (such as the SET series) is equipped with a cooling water jacket and variable frequency control to ensure continuous and stable operation.

II. Technical Parameters and Configuration

  • Screw Material: Typically made of SUS304 stainless steel, corrosion-resistant and hygienic.
  • Power Range: 180W-380V for experimental models34, 11kW-18.5kW for industrial models57.
  • Forming Capacity: Particle size 2-10mm, supports custom templates for porous and clover-shaped shapes36.

III. Application Scenarios

  • Chemical Industry: Used for forming strips or granules of catalysts such as activated carbon and molecular sieves.
  • Laboratory Research: The micro-device can process small amounts of material (a few grams), facilitating catalyst formulation testing.

FAQs

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We can quickly reach any country and region through sea freight, air freight, international express delivery, and other transportation methods. We have stock of standard sized screws and barrels, and once confirmed by the customer, they can be delivered within 5-7 days.

We have many experienced engineers who can quickly customize various types and types of screw barrel according to customer requirements. Before produce, technical will check every detail with salesman according with clients’ request. Under produce, every step will be inspected before next process. And every salesman will follow some time to make sure 100% correct and reduce communication error and work undelay. We put quality at a high level and the price is middle level.

Our sales team is familiar with the production and export processes and has nearly 10 years of customer service experience. Every salesperson can ensure that the customer’s requirements and our screw barrel are 100% accurate in production details. We will solve any cargo issues until the customer is satisfied.

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