I. Safety Precautions

Attention

The equipment manufactured by our company, if used without due regard for safety, could pose significant risks of injury to individuals. Therefore, whenever and under any operating conditions you use our company's equipment, please strictly adhere to the operating guidelines and always prioritize personal safety.

Please read this manual carefully!

The copyright of this manual, as well as all illustrations and images used herein, is owned by our company. No individual or organization may reproduce, modify, quote, or redistribute any part of it without our company’s prior written authorization. Otherwise, our company will pursue legal action against the offender.

This manual may not describe certain device features; however, the company assumes no responsibility for these features during actual use, as they are provided solely for convenience.

During the review and editing process of this manual, we conducted a thorough audit; however, inconsistencies and inaccuracies may still exist. We will periodically check the content within the manual and reserve the right to make revisions without prior notice.

This manual explains the latest technology of our company's product series and summarizes the key technical features of each device. The product line features a variety of designs, including different sizes, distinct functional roles, diverse installation methods, and varying component configurations. If you need to determine the appropriate model for your equipment, please contact our company.

As an equipment manager, the following situations will result in the equipment being unavailable:

-- The equipment is not properly installed and secured;

-- The device is not properly connected to the power source;

-- The gas unit failed to secure a stable gas supply;

-- Safety devices of the equipment are not properly installed;

--The equipment is in the installation and construction phase;

-- After installation, the integrity of the equipment was not checked;

--The equipment includes various installation tools and lifting devices stored within the device itself;

-- Equipment status regarding inspection and maintenance;

-- The electrical components of the equipment were wetted by cleaning water;

Attention

Under normal usage, our company will fulfill the warranty obligations stipulated in the contract. However, if the user makes unauthorized modifications to the equipment, fails to follow the instructions outlined in this manual, or in any of the following situations, our company will suspend the warranty coverage:

-- Equipment improperly installed due to failure to follow the manual or lack of technical support from our company;

– Removing pre-installed safety devices on equipment or disabling equipment that shields safe operation features;

-- Equipment used in serious violation of operational guidelines, failing to follow the manual's requirements;

– Beyond the agreed warranty period;

-- Equipment whose components have been privately modified, with or without the company's approval, or where parts have been added or removed;

-- Unauthorized replacement of non-original parts without the company's permission or approval resulted in equipment malfunction;

– During warranty service, it is impossible to provide repair conditions that ensure personal safety;

-- Do not use the equipment in high-risk, hazardous, or outdoor environments without our company's approval;

If the device is transferred for sale, please pass this manual on to the new user. If this manual is lost, you may request a replacement directly from our company.

Attention

This manual outlines the product's various performance features and highlights essential safety guidelines and precautions for proper usage, ensuring both the operator's safety and the reliable operation of the equipment.

To better illustrate the device's structure, this manual includes several detailed illustrations of local components, as well as equipment diagrams that conceal certain parts. When using the device, please carefully inspect—especially its safety components—as well as the integrity of other key parts.

This manual uses text and images to inform users about the product's performance, installation, usage, maintenance, and troubleshooting.

This manual outlines the various configurations available for the current model of product. Please note that not all features may be included in the equipment you’ve purchased, as your device is custom-built according to specific requirements. Therefore, the information presented in this manual might differ slightly from the actual equipment you’ve acquired.

This manual reflects the latest technical standards at the time of product release. Although the company may subsequently introduce technical updates to the product, this manual will remain valid. Additionally, the company reserves the right to revise the manual as needed to align with new standards—without prior notice or requiring replacement of previously issued versions.

Our company will continuously optimize our products, and we would appreciate any feedback or suggestions aimed at improving either the product or this manual.

Attention

1. Sources of harm to avoid: The equipment has two primary sources of potential injury:

1.1、Mechanical Hazards

1. Mechanical hazards from the equipment originate from its various moving parts; we will specifically mark these areas in the manual.

2. Electric Motor Impeller Guard

From the equipment installation to the start of production, there is no need to remove the motor impeller guard. It may only be taken off temporarily during maintenance for adjustment purposes. Therefore, unauthorized or non-professional maintenance personnel are strictly prohibited from dismantling this guard. After maintenance is completed, the guard must be promptly reinstalled and reset—never operate the equipment with the guard removed.

1.2、Electrical Shock Injury

1. Electrical shock hazards from the equipment originate from the motor, control cabinet, cables, and cable connections.

2. A complete grounding system must be installed to prevent accidental leakage currents, short circuits, and potential electrostatic hazards that could harm individuals.

2. Basic Principles for Safe Operation

2.1、Absolutely no touching of moving transmission parts on the human body, and be cautious of hazardous behaviors such as accidental falls or collisions.

2.2 When performing maintenance or cleaning operations on the equipment, ensure that the main power supply is switched off and take precautions to prevent anyone else from turning the main power back on.

2.3、Electrical connection, wiring inspection, and maintenance of the control section must be performed by qualified electricians; unauthorized personnel are strictly prohibited from operating.

2.4. Do not remove the safety protection devices that come with the equipment itself, and perform safety checks according to the notes in this manual.

2.5. Avoid all heat source areas and strictly prohibit direct physical contact. Ensure that no person stands in the potential splash trajectories of any components.

2.6. For all moving parts, ensure that no pinching injuries occur during rotation.

2.7. Users should establish a post responsibility system and strengthen their awareness of safe production.

II. Basic Information on the Equipment

1. Scope of Application

The blending tank for uniform air and material distribution is widely used in the homogenization of plastic pellets.

Features:

1. The material homogenization tank meets the high standards for non-polluting and uniform material distribution.
2. The blending tank features high blending efficiency and causes minimal damage to the materials.
3. The structure is simple, with no mechanical rotating parts inside the hopper, eliminating the risk of components falling into the material and making cleaning convenient.

2. Working Principle

The material homogenization tank uses a reflux pipe to mix the bottom material with the freshly screened material, which is then collected into a negative-pressure suction hopper and transferred to the storage bin, thereby achieving uniform blending of the newly produced material with materials from previous batches.

3. Equipment Configuration

1) Air-Pressure Equalization Tanks: 5 m³, 6 m³, 7 m³, 8 m³
2) Negative-pressure suction machine: 7.5KW Roots blower
3) Negative-pressure suction hopper: 50L
4) Material transfer pipeline: ϕ76 x 2 SUS304
5) Negative-pressure pipe: ϕ89 × 1.5 SUS201
6) Homogenization Method: Reflux Homogenization
7) Weighing Module (Optional)

4. Special Notes

4.1、The specific model of equipment configuration may vary.

During the equipment configuration process, the following situations either exist or need to be configured. The equipment being configured will differ from conventional material storage devices and must be explicitly noted:

1) Automatic cleaning is required;
2) That needs to be integrated with other devices;
3) The silo body must be pressure-resistant;
4) Where the ambient minimum temperature exceeds -35°C;
5) Used at temperatures below 0°C;
6) The materials possess special properties such as exothermic reactions, steam generation, flammability, explosiveness, and tendency to stick or adhere.

4.2. The following factors highlight the differences among devices: device material, surface treatment, installation method, motor power, power supply characteristics, protective measures, and more.

III. Equipment Installation

1. Equipment Loading and Unloading

1) The pneumatic equalization tank is loaded and unloaded using forklifts, both operations must follow specific handling procedures and should be carried out by professionally trained personnel qualified to operate special equipment.

2) The forklift's attachment equipment should have its movable components removed to prevent them from falling off during fork-lift operations.

3) The equalization tank for air pressure is equipped with a dedicated fork-lift position. Use a forklift with appropriate capacity and compliant with safety regulations to load and unload the equipment, as shown in the diagram. Ensure the center of gravity remains stable during lifting, and after lifting, operate at a slow speed to maintain steady movement.

4) Personnel should work from a safe location and are prohibited from standing beneath the equipment.

2. Equipment Installation Foundation

1) The equalization tank, serving as an intermediate process unit, typically requires a supporting structure to lift and position the equipment at an appropriate height above the ground, ensuring it meets the process design requirements of the production flow.

2) The air homogenization tank is supported by four ear brackets and horizontally fixed to a steel-structure platform (or equipped with weighing modules mounted on the support lugs).

3) The platform's design capacity typically ranges from 2 to 3 times the weight of the equipment (including the equipment itself, the weight of stored materials, and any additional accessories attached to the device).

4) The installation of the large pneumatic equalization tank should take into account lifting challenges during overall plant construction, considering both the tank's diameter and height.

3. Precautions During Installation

1) During the installation process, the various pieces of equipment within the process should be arranged in a specific sequence according to their installation order.

2) When installing the equipment, pay attention to its orientation, ensuring that installation is carried out in a way that prioritizes safety while also facilitating production, maintenance, and cleaning.

3) The installation components used during installation must be provided by the user or prepared by the installation company.

4) If the equipment is not installed or used for an extended period, it must be stored in a dry, well-ventilated, and cool environment, ensuring proper anti-slip measures, balanced weight distribution, and stable operation.

4. Equipment Power Supply Installation

1) All operations related to the electrical circuit must be carried out by qualified personnel. Ensure strict adherence to standards by selecting high-quality electrical components and cables of appropriate capacity for circuit installation.

2) When installing the equipment's power supply, the power lines must be thoroughly inspected to avoid issues such as phase or voltage mismatches.

3) After installing the power supply, verify the functionality of all buttons and indicator lights on the electrical control box. If any component fails, address the issue promptly—do not proceed with direct equipment operation until it is fully functional.

4) The basic configuration of the electrical control box should include the following components: a three-phase power input indicator light, a start button, a start indicator light, a stop button, and a stop indicator light.

Attention

Your equipment, as per the contract agreement, may not include the electrical control box. Please proactively request the equipment control circuit diagram from our company, and ensure that only qualified companies or personnel carry out any customization work. Additionally, all components and the enclosure must comply with the relevant safety standards.

If the equipment is equipped with a variable-frequency dedicated motor, the motor fan should be powered independently and must not be connected in parallel with the main power line supplying the inverter and the variable-frequency motor. Otherwise, the motor is likely to overheat and burn out.

4. Equipment Debugging

1. Instructions Before Debugging

At the time of出厂, all equipment has undergone rigorous testing and meets quality inspection standards. After reviewing the manufacturing requirements, the equipment is then released for shipment.

After users have completed installing the equipment, they should carefully clean out any debris and dust remaining inside. If the equipment has been left unused for an extended period, or if more than 3 months have passed between the date of activation and the date of manufacture, it’s essential to thoroughly inspect and clean before powering on and operating the device.

Attention

During all types of debugging, please use the raw materials required for production for testing; do not substitute them with other materials.

After the equipment installation and debugging are completed, it is still necessary to clean the inside of the equipment.

During all types of commissioning, operators and on-site inspectors should not leave their posts until the commissioning is complete.

Various types of debugging cannot be performed out of sequence, nor can they span across time.

2. Prepare the assignment

Inspect the equipment interior for any potential debris or tools, and proceed to clean the inside of the device.

Check whether the equipment's power supply is normal, including the main motor power supply, safety device power supply, and more.

Check whether the device accessories are functioning properly.

Check whether each connecting pipe is sealed.

3. Functional Component Testing

After the equipment is powered on, you should first check whether the functional accessories are operating properly.

After the attachment check is completed, start the equipment and verify whether the motor rotation matches the markings on the motor. If not, make adjustments promptly.

4. Run and Debug

After the equipment completes preparation and functional debugging, it enters the operational commissioning phase.

Proceed step by step according to the following method:

1) Start the equipment for 5 minutes, monitoring at all times for any unusual noisy disturbances during operation. If such noises are detected, immediately stop the equipment and inspect all connecting pipes for material leaks. If leaks are found, halt the equipment immediately, reattach and reseal the connections. Also, check whether the operating current remains within normal limits; if not, promptly use the stop button or emergency stop button to cut off power.

2) During normal operation, after running continuously for 1 hour, inspect all parts of the equipment for material leakage, abnormal noises, or any other issues. If any problems are detected, take immediate action.

5. Post-debugging Inspection

1) During debugging and after the debugging period concludes, the following components must be inspected:

2) The temperature of the vibration motor should all be below 50 degrees Celsius;

3) No material leakage at pipe connections;

4) All connecting bolts and anchor bolts on the equipment show no signs of loosening.

V. Occupational Safety and Health

1. Safety Precautions in Production

1) When operating the equipment, pay attention to all the warning areas indicated on the device.

2) Equipment with removed safety devices must not be used.

3) When the equipment is running, do not use any tools to reach into the air inlet.

4) When cleaning or repairing equipment, be sure to disconnect the power supply and use warning signs or lockout/tagout procedures to prevent unauthorized personnel from turning the power back on.

2. Planning and Responsibility

1) Use equipment that has been properly debugged and qualified for production, and establish a series of pilot production plans to better coordinate and align the various stages of the manufacturing process.

2) Establish a job responsibility system and assign trained professionals to perform all equipment operations. Ensure rational division of tasks to guarantee the smooth completion of production activities.

3. Pre-production Preparation

1) Before powering on the electrical control system, check whether the equipment area is ready for production conditions, and clear away any obstructions or debris.

2) Turn on the electrical control box switch and check whether the supply voltage and phase count are normal.

3) Before connecting the compressed air supply, ensure the air source is clean and dry.

4) Inspect the equipment interior for any potential debris or tools, and thoroughly clean the inside of the device.

5) Check whether the equipment's power supply is normal, including the main motor power supply, safety device power supply, and others.

6) Check whether the device accessories are functioning properly.

7) Check whether the fan is rotating correctly.

4. Production Operations

Equipment Startup Operation

1) Check whether the warehouse has been cleaned thoroughly.

2) Turn on the power and air supply.

3) Start the equipment.

Equipment stops operation

1) Press the stop button.

2) Turn off the power and gas supply.

6. Maintenance and Care

1. The Basic Principles of Maintenance

1) Implementing a regular maintenance plan can effectively extend the equipment's lifespan and better ensure safe production.

2) When repairing or maintaining the equipment, use components that are consistent with the equipment itself. Each maintenance and upkeep plan should be assigned to a dedicated person in charge and carried out by trained personnel.

3) During normal equipment operation, necessary maintenance measures should be taken for the following items: keeping the exterior of the equipment clean, checking the tightness of all fastening bolts, and establishing a regular schedule.

4) When performing equipment maintenance and inspections, follow the safety operating procedures.

2. Equipment Cleaning

After continuous operation of the equipment, impurities generated during the production process will accumulate in the pipelines, inside the storage vessels, and in the activation hoppers. Therefore, the equipment needs to be cleaned after a certain period of production.

When cleaning, please note the following points:

1) Please do not leave any of the cleaning tools used inside the equipment; after cleaning, they should be collected and organized uniformly.

2) Use clean compressed air for cleaning and take appropriate protective measures to prevent eye injuries from particles blown up by the compressed air.

3) When cleaning the inside of the tank with water, be sure to wipe away any accumulated water after cleaning. Alternatively, you can use compressed air to dry the equipment thoroughly.

4) During machine clearing operations, the power should be physically disconnected.

5) When cleaning the equipment with water, pay attention to electrical safety and take appropriate isolation measures for the motor, control box, and solenoid valves.

6) When cleaning, ensure the equipment is not turned on and the electrical control box is powered off to prevent others from accidentally switching on the power. Appropriate warning measures should also be implemented.

7) Do not use cleaning agents that are corrosive to the material of the device itself.

8) Equipment requiring hygiene standards should be cleaned using appropriate cleaning methods that meet the necessary requirements.

9) Do not use blunt or sharp tools for cleaning operations, as this may easily damage the inner surface of the equipment.

10) After cleaning the equipment, the safety devices should be reset.

3. Equipment Maintenance Plan

4. Possible Equipment Failures and Troubleshooting