Weighing Hopper
- The inner surface is treated with 320# mirror polishing, ensuring smooth powder discharge.
- The corner arc transition allows easy cleaning without dead ends, and the conical bottom design enables fast and thorough material discharge.
- It can be transported by forklift (with forklift ports on two or four sides), hoisted, or manually moved, facilitating operation.
- The tank body can bear a pressure of 0.02MPa (higher pressure can be customized).
- It can be cleaned with high pressure to keep the tank body clean.
- It has a service life of more than 10 years, featuring cost-effectiveness and environmental friendliness.
Overview
The weighing hopper (weighing silo) is composed of weighing sensors, junction boxes, batching instruments, and the hopper body. It is mainly used for weighing and proportioning multiple materials to meet the requirements of process formulas. It is usually used with various types of powder valves and feeders for precise metering in industrial applications.Weighing hoppers (weighing silos) are widely used in industries such as building materials, cement, coal, mining, ceramics, glass, metallurgy, grain, chemical fertilizers, feed, ports, electric power, coking, and environmental protection.
As a container for weighing and storing materials, the weighing hopper (weighing silo) is applied in industries including chemical engineering, rubber, pesticides, dyes, pharmaceuticals, and food. It is often used in automatic powder production lines. A raw material storage bin (at least one storage bin for each type of raw material) needs to be configured at the front end of the weighing hopper. The equipment is equipped with a weighing module and is used with a dedicated batching instrument. It performs weighing and metering through the increment method to complete the batching process, and the rear end is connected to the mixing and packaging processes to finally realize assembly line operations.
Working Principle of Weighing Hopper (Weighing Silo):
The weighing hopper (weighing silo) is a weighing device that uses the reduction rate of materials in the hopper to measure flow rate and cumulative quantity, so as to realize metering and batching control. During a complete operation cycle, when the material in the weighing hopper reaches the lower weighing limit (or the hopper is empty), the discharge port is activated, and the materials in the silo quickly flow into the weighing hopper. When the material reaches the set upper limit, the discharge port is closed, and the feeding port is activated. Feeding stops when the material reaches the upper weighing limit, so as to achieve the purpose of quantitative feeding. The weighing accuracy and control precision are improved by adjusting the blanking time and making up for the difference based on the blanking rate.
Technical Parameters
Technical Parameters
Volume: 50L-2000L series specifications, all customizable；
Hopper body material: 304 stainless steel or 316L stainless steel (thickness: customizable according to usage requirements)；
Inner surface treatment of the tank body: mirror polishing (or other treatments according to usage requirements)；
Outer surface treatment of the tank body: 2B original matte finish, frosted finish, mirror finish；
Components: manhole, feeding port, breathing port, discharge valve, etc.
Arch-breaking and flow-aiding vibrator: pneumatic vibrator, electric vibrator, etc. (selection depends on needs)；
Weighing hoppers (weighing silos) are designed and manufactured according to the characteristics of materials, usage conditions, and industry application priorities.
Your requirements are the basis for our development and a daily challenge to bring to fruition, please do not hesitate to inquiry us.
Stainless Steel Silo
- Stainless steel silo is generally made of 304 or 316L stainless steel. High-grade materials such as 2205, 254SMO and 1.4529 are also available as options.
- The outer shape is either a square silo with rounded corners and conical bottom or a circular silo. All corners adopt arc transitions, ensuring no dead ends, no material residue and an attractive appearance.
- Both inner and outer surfaces undergo high-level polishing treatment. The inner surface roughness can reach Ra≤0.4μm, and the outer surface roughness can reach Ra≤0.8μm.
- The customized hopper cover and butterfly valve are equipped with silicone sealing devices to ensure excellent sealing performance.
- All welding joints are processed with bevels. After double-sided argon arc welding, grinding and polishing treatments are conducted, and the welding quality meets flaw detection requirements.
- It is equipped with customized casters to protect the ground of clean areas from damage without leaving traces.
- The stainless steel silo has sufficient strength and no deformation will occur during use.
Powder Storage Silo
- The inner surface of the silo body is 320# mirror-polished, ensuring smooth powder discharge.
- The rounded corner transition allows easy cleaning, and the conical bottom design enables fast discharging.
- Fixed type, no foundation embedded parts required for installation (the silo can be placed on a solid ground). The foot plate is designed with an adjusting seat to adjust the horizontal and vertical position of the silo body.
- It can be cleaned with high pressure (or equipped with a built-in movable 360° rotating spray ball for cleaning) to keep the inside of the tank clean.
- The sealed structure keeps the powder moisture-proof and prevents dust dispersion and pollution.
- Vacuum feeding and vacuum discharging, featuring convenient, hygienic, and clean operation.
- Equipped with a level control switch to automatically control the powder filling height.
- Equipped with a stainless steel air blockage clearer (air cannon) to break arches, clear blockages, assist flow, and eliminate powder bridging.
- Equipped with a ladder for operators to go up and down the silo. It is solid and stable, with humanized design of step spacing and standing gear height for convenient use.
- Service life of more than 15 years, economical and environmentally friendly.
Dry Hopper
- During the drying process, the materials keep flowing continuously, so heat penetrates uniformly, resulting in short drying time and no easy caking. This feature of the dry hopper avoids material waste and ensures stable product quality for manufacturers.
- Double-layer barrel design (economic models adopt single-layer design); the inner layer that contacts materials is entirely made of stainless steel; special thermal insulation materials are installed in the middle interlayer, thus achieving safe and energy-saving effects. The energy-saving dry hopper helps enterprises reduce energy consumption and operating costs.
- Equipped with a custom high-frequency heater, it features fast heating and low power consumption. The high-efficiency heater of the dry hopper shortens preheating time and reduces electricity costs for production workshops.
- Specially designed double-pipe moisture discharge ports can effectively discharge moisture and collect dust, without polluting the working environment. This environmental-friendly dry hopper complies with workshop hygiene standards, suitable for chemical and food industries.
- The barrel is equipped with an access door, making color and material change and cleaning simple and fast. The easy-to-clean dry hopper saves time for production line changeovers and improves overall production efficiency.
- After special modification, this series of dry hopper models can also be used for the crystallization and drying of plastic granules, powder materials, and PET chips. This versatile dry hopper meets the diversified drying needs of plastic processing enterprises.
- Multiple models and large capacities are available; models with one-time loading capacities of 0.5 ton, 1 ton, 1.5 tons, 2 tons, 3 tons, etc., are always in stock for customers to choose from. Various capacity options of the dry hopper satisfy different production scale requirements of factories.
- Integrated drying and mixing functions: when drying is not needed, simply turn off the "heating switch" and "fan switch", and this series of dry hopper models can be used for plastic mixing and homogenization—realizing dual-purpose of one machine. This multi-functional dry hopper reduces equipment investment for enterprises.
Homogenizing Silo
- Low power consumption, small floor area, low price and high cost performance. This cost-effective homogenizing silo is a cost-saving choice for enterprises.
- The spiral circulation mixing makes the raw materials mix more uniformly and quickly. The spiral circulation homogenizing silo ensures high mixing quality.
- Suitable for mixing various plastic raw materials and color masterbatches, and the effect is better when mixing new materials, old materials and color masterbatches. The plastic material homogenizing silo meets the needs of plastic processing enterprises.
- The parts of the equipment that contact with raw materials are all made of stainless steel, which is easy to clean and avoids rust.
- Equipped with electric control safety protection device to ensure safe operation.
Granular Material Silo
- The silo wall is made of tensioned steel and treated with an electroplated coating, ensuring the granular material silo has a long service life and can adapt to harsh industrial environments.
- It is equipped with a movable silo cover, allowing operators to open, close, and lock the granular material silo on the ground, which improves operational safety and convenience for production line workers.
- It ensures the consistency of the properties and color of each batch of materials, which is crucial for maintaining product quality in industrial production and meeting the strict requirements of factory production lines.
- The granular material silo requires small investment, occupies little space, and saves labor costs—these advantages help enterprises reduce production costs and improve economic benefits.
- It can be connected with various machines, having a wide range of applications. The granular material silo is suitable for different industrial fields.
- The hopper of the granular material silo can be easily opened and disassembled, facilitating cleaning work. This reduces the workload of maintenance personnel and ensures the cleanliness of the granular material silo to avoid material contamination.
- The fan of the granular material silo has small power but fast feeding speed, which saves energy costs for enterprises. It is an energy-efficient equipment that helps reduce the overall operation costs of production lines.
- The size of the granular material silo can be customized into various capacity specifications according to customer requirements. It can meet the different material storage demands of factories of all sizes.
- The granular material silo is light in weight and can be moved anywhere according to production needs. This flexibility allows it to be flexibly arranged in different positions of the production line.
- The side ladder design of the granular material silo is not only safe but also convenient for observing, installing, and maintaining the silo tower. It improves the safety and efficiency of maintenance work for production line engineers and maintenance personnel.