Dense Phase Conveying Tank
- The dense phase conveying tank has a more compact overall dimension.
- More energy-efficient, with air consumption about 70% of that of traditional conveying tanks.
- High solid-gas ratio brings high conveying efficiency.
- It uses high-pressure gas for conveying, with low air consumption and low operating cost.
- The conveying distance can range from several meters to several kilometers.
- The low air flow speed reduces pipeline wear and can also avoid the breakage of brittle particles caused by violent collision with the pipeline wall.
- There are no moving parts in the system, resulting in fewer failures and low maintenance costs.
- For materials with unstable chemical properties, specific gases can be used for conveying.
- The closed conveying pipeline is not affected by climate and surrounding conditions, preventing materials from being damped, contaminated, or mixed with foreign matters.
- Multiple conveying tanks can be used in combination to meet different conveying requirements of users.
Overview
Dense phase conveying tank, also known as dense phase pump, conveying bin, etc., is often used in dense phase pneumatic conveying systems for the centralized conveying of bulk materials. It adopts a single conveying tank, uses gravity for feeding, and conveys materials through a single pipe after feeding.The dense phase conveying tank is composed of a pressure vessel (conveying tank), an electronic control system, and a conveying pipeline. It is widely used in industries such as food, chemical engineering, rubber and plastic, and new materials.The dense phase conveying tank can convey high-temperature, humid, powder or bulk materials in a mixed or batch manner. It is suitable for pneumatic conveying systems of high-temperature, abrasive or humid materials.
The dense phase conveying tank is widely used in industrial fields such as metallurgy, electric power, building materials, and chemical engineering.The dense phase conveying tank conveys materials at a relatively low speed, and the materials are conveyed in a plug-like form in the pipeline without the need for material-gas mixing.It greatly reduces pipeline wear and energy consumption costs.The dense phase conveying tank has a variety of specifications and manufacturing materials to choose from, which can meet the conveying needs of almost all bulk materials.The quarter-circle rotation of the valve core inside the dome valve, its core component, is the only movement of the system. Its performance in continuously conveying abrasive materials and reliably maintaining pressure difference is better than that of all other valves.Therefore, this device has extremely low operating energy consumption and maintenance costs, and high reliability.
Working Principle:
The dense phase conveying tank adopts an advanced dome valve for discharging. After the conveying tank is 100% filled, the dome valve ball passes through the material to close and seal;Compressed air enters the dense phase pump through the control valve, and the materials enter the conveying pipeline at a low speed in accordance with specific system requirements.The conveying process requires little compressed air, achieving a high material-air ratio, which ensures low energy consumption and very little system wear.
Product Applications:
- Spodumene/Coke/Fly Ash: Spodumene roasted material, acid clinker, dust and fly ash, screened materials, charcoal ash, dust collection ash.
- Food Raw Materials: Unprocessed and roasted peanuts, apricot kernels, granular baking powder, loose tea leaves, corn, sugar, raisins, fructose, salt.
- Foundry Sand: Resin-coated sand, wet sand, mixed new sand and recycled sand, pre-mixed sand.
- Chemical/Plastic Powder/Minerals: Titanium dioxide, polyvinyl chloride (PVC), CPVC resin lumps and fragments, phenolic resin powder, lime blocks, limestone, lithium carbonate, lithium hydroxide, lithium chloride, etc.
- Alternative Fuels: Sludge from wastewater treatment, waste paper and pulp, incineration ash.
Working Process:
- Feeding Stage: The feeding valve is opened, and materials fall freely into the conveyor. When the rising materials in the conveyor touch the level gauge, the level gauge sends a material-full signal, and the feeding valve closes automatically to complete the feeding process.
- Fluidization and Pressurization Stage: The air inlet valve opens automatically, and compressed air enters the bottom of the conveyor. After diffusion, it passes through the fluidized bed. While the materials are fully fluidized, the air pressure in the conveyor rises.
- Conveying Stage: When the pressure in the conveyor reaches a certain value, the pressure sensor sends a signal, and the discharge valve opens automatically. The fluidization of materials on the fluidized bed is enhanced, and conveying starts. The materials in the conveyor gradually decrease. During this process, the materials on the fluidized bed are always in a state of being fluidized while being conveyed.
- Purging Stage: When the material conveying in the conveyor is completed and the pressure drops to the pipeline resistance, the indicator light sends a signal. Ventilation continues for a certain period of time, and compressed air cleans the pipeline. Then the air inlet valve closes. After a certain interval, the discharge valve is closed and the feeding valve is opened to complete a conveying cycle.
Technical Parameters
Technical Parameters
| Model | Tank Body Inner Diameter (mm) | Volume(m³) | Matched Pipe Diameter | perating Temperature (℃) | Maximum Conveying Distance(m) | Maximum Design Pressure (mpa) | Conveying Capacity (m³/h) |
| L-0.6 | 800 | 0.35 | DN50 | ≤120 | >500-1500 | 0.78 | 3 |
| L-1.2 | 1200 | 1.32 | DN100 | ≤120 | >500-1500 | 0.78 | 8 |
| L-1.4 | 1400 | 2.15 | DN100 | ≤120 | >500-1500 | 0.78 | 15 |
| L-1.6 | 1600 | 3 | DN100 | ≤120 | >500-1500 | 0.78 | 20 |
| L-1.8 | 1800 | 4.12 | DN100 | ≤120 | >500-1500 | 0.78 | 25 |
| L-2.0 | 2000 | 5 | DN125 | ≤120 | >500-1500 | 0.78 | 30 |
| L-2.2 | 2200 | 7.5 | DN150-DN175 | ≤120 | >500-1500 | 0.78 | 36 |
| L-2.4 | 2400 | 9.25 | DN150-DN175 | ≤120 | >500-1500 | 0.78 | 42 |
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Pneumatic Conveying Pump
- High Energy Efficiency: Due to the reasonable fluidization structure, the material fluidization state is good, and the air consumption is significantly lower than that of similar products. After years of production and research, our company has improved the fluidization structure for many times, which greatly improves production efficiency and reduces energy consumption, helping users save operating costs.
- High Material-Gas Ratio: With good fluidization effect and low air consumption, the material-gas ratio is naturally high. Through laboratory tests, when the equivalent distance is within 500 meters, the material-gas ratio can reach more than 30Kg (ash)/Kg (gas), ensuring efficient material conveying.
- Low Material Flow Rate: The material flow rate during conveying is low, which results in small wear of the equipment's valves and pipelines and long service life of vulnerable parts, reducing the frequency of equipment maintenance and replacement.
- Strong Adjustment Function: It has various adjustment methods such as primary and secondary air intake adjustment, which can make the system operate under the optimal air consumption ratio and excellent fluidization state, adapting to different material conveying conditions.
- Unique Blockage Removal Method: It adopts a back-suction blockage removal method, which is simple, easy to implement and reasonable in operation. It only needs to lead the material-gas mixture to the silo or flue inlet through the blockage removal valve and pipeline, ensuring smooth operation of the conveying system.
- Easy Solution for Supporting Facilities: Due to low air consumption and low speed, the silo material-gas separation and filtration equipment can be smaller than that equipped with general bin-type pumps, and the air pollution caused is also small, meeting environmental protection requirements.
- Small Energy Consumption Coefficient: The energy consumption coefficient of the bin-type pump conveying system is below 65KW.h/t.m, which is more energy-saving compared with similar conveying systems.
- High Degree of Automation: It adopts a programmable (PLC) control system, and the entire working process can be fully automated. The system can be set to automatic or manual operation mode. The main control cabinet is installed in the system control room, reducing manual operation intensity and improving operation accuracy.
High-Power Vacuum Loader
- High-Power Vacuum Loader is a model specially developed for scenarios with large material consumption, catering to the high-volume material needs of industrial production.
- The motor power, feeding pipe diameter and hopper capacity all adopt enlarged configurations to meet the material handling requirements of large-scale industrial operations.
- Equipped with microcomputer control, it provides material shortage and overload alarms, ensuring safe and reliable operation of the material conveying system.
- It has a small size, occupies little space and features flexible operation, making it easy to integrate into different industrial production line layouts.
- Customizable one-machine multi-hopper type vacuum loaders are available to meet the diverse material conveying needs of different industrial production lines.
Electric Vacuum Feeder
- The power source of the whole set of equipment is compressed air, and no power supply is used;
- The equipment is easy and simple to disassemble and clean;
- The equipment operates with very low noise and does not generate heat or oil pollution;
- The powder conveying process is carried out in a closed environment, without dust leakage.
Split-Type Vacuum Loader
- The split-type vacuum loader is equipped with a stainless steel hopper, which ensures that raw materials are not contaminated during the conveying process.
- It adopts microcomputer control, featuring easy operation and precise control. Additionally, it is equipped with multiple alarm indicator lights to promptly remind operators of equipment status.
- The motor protection device of the split-type vacuum loader can extend its service life. The material shortage alarm can proactively notify customers to resolve the issue in a timely manner.
- It is equipped with an independent filter device for easy removal of accumulated dust; the filter inspection window allows customers to check the usage status of the filter and perform regular cleaning, ensuring the equipment's stable operation.
- The vacuum hopper (YMH) of the split-type vacuum loader can be directly installed on the hopper of the molding machine; the electric eye hopper (YVH) can be directly installed at the feed inlet of the molding machine, facilitating integration with production lines.
- A cyclone dust collector can be optionally configured for the split-type vacuum loader, which reduces the frequency of filter cleaning and is suitable for crushed material conveying.
- The YPV-U European-style two-material proportional valve (including an optional control box) can be optionally configured for the split-type vacuum loader, which is used for mixed use of new materials and crushed materials or immediate recycling of crushed materials.
- When crushed materials account for more than 30% of the conveyed raw materials, it is recommended to select a 14-mesh stainless steel filter screen for the split-type vacuum loader to ensure smooth conveying.