Page 7 _ Industry News _ Shandong Juheng Environmental Protection Technology Co., Ltd

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稀相气力输送和浓相气力输送如何选择

How to choose between dilute phase pneumatic conveying and dense phase pneumatic conveying

Pneumatic conveying can be divided into dilute phase pneumatic conveying and dense phase pneumatic conveying based on the concentration of the conveyed material and air. The selection method can be chosen according to the conveyed material and site. The following is an introduction to dense phase pneumatic conveying and dilute phase pneumatic conveying. The dilute phase pneumatic conveying system adopts low-pressure conveying method, which is called dilute phase pneumatic conveying system. These systems utilize the inlet air pressure and use positive or negative pressure to push or

气力输送的料气分离

Material gas separation in pneumatic conveying

The separation and dust collection device is generally installed at the end of the pneumatic conveying pipeline to separate the conveyed material from the conveying airflow. Through a cyclone dust collector, the material gas separation is carried out. After passing through a gas-solid separator, most of the material is separated and collected, and a very small amount of fine powder dust is carried out from the outlet of the separator with the air; In order to prevent a small amount of fine dust from polluting the environment, pneumatic conveying production lines can use cyclone dust collectors and pulse dust collectors for

气力输送选择气源时考虑的几个方面

Several aspects to consider when selecting gas sources for pneumatic conveying

In pneumatic conveying, the gas source serves as the core equipment of the entire system, providing power to the entire system and ensuring the effectiveness and reliability of pneumatic conveying. Due to the different methods, usage locations, and conveying distances of pneumatic conveying, the characteristics of the conveyed materials are different, so the power and principles of pneumatic conveying are also different. Common air source equipment includes air compressors, Roots blowers, Roots vacuum pumps, centrifugal fans, etc. No matter which type of equipment is chosen for the system

滤袋除尘器滤布材料及特点

Filter bag dust collector filter cloth material and characteristics

The filter material (filter bag) is the core of the bag filter; The filter material should adapt to the conditions of high temperature in the flue gas, high content of SO2, NOx, O2 in the flue gas, and high dust concentration in the flue gas. Therefore, when using filter media in bag filters, the actual situation of the boiler should be considered and filter media should be selected in a targeted manner. There are many types of filter media, which can be divided into natural fibers, inorganic fibers, and synthetic fibers according to their materials. The commonly used filter cloth materials in the power plant boiler industry are 1. PPS+P84 and PPS needle punched felt

滤袋除尘器对布袋的要求

Requirements for bag filters in filter bag dust collectors

There are two understandings of dust collector bag: broad and narrow. Broadly speaking, it can be understood as a bag filter, which includes a circular bag filter and a flat bag filter; Narrowly understand the bag of the dust collector. We have written a lot about bag filters, and Shandong Juheng Environmental Protection Equipment Co., Ltd. has sorted out the dust collector bags used in the boiler industry. The bag of the dust collector refers to the filter material, which is an important material for the bag of the dust collector; The performance of bag filters is very

气力输送堵管的因素

Factors causing blockage in pneumatic conveying pipes

There are many factors that can cause blockages in pneumatic conveying, such as improper operation or humidity. It is also possible that pneumatic conveying managers, who do not have enough understanding of the pneumatic conveying system, replace the equipment parameters and operating procedures, which can lead to blockages in pneumatic conveying. one When using a high-pressure conveying system for pneumatic ash conveying, the conveying is barely carried out under the specified gas source pressure; During pulse pneumatic conveying, if the pressure of the air knife is too low or if it shrinks arbitrarily

气力输送管道设计原则

Design principles for pneumatic conveying pipelines

Material utilization pipeline transportation is an indispensable component of modern logistics technology and system equipment. Pneumatic conveying pipeline uses pressurized gas as a carrier to transport bulk materials in a closed pipeline. It belongs to gas-solid two-phase flow conveying technology and has the characteristics of high conveying efficiency, small footprint, and no pollution. Pneumatic conveying pipeline technology belongs to gas-solid two-phase flow. After long-term research, problems such as high energy consumption, material breakage, pipeline component wear, and pipeline blockage are prone to occur

罗茨风机配件及各部件名称

Roots blower accessories and component names

Roots blower is widely used as a gas power source for a system or a local system; It is a positive displacement blower with forced gas delivery characteristics, almost unchanged with pressure, and has the advantages of simple structure, few vulnerable parts, and easy operation. No matter how durable the equipment is, damage is inevitable. What are the accessories for Roots blowers? We list the components of Roots blower from the structure: Roots blower components are named as: casing, gasket, flat key, active rotor, passive

什么是稀相气力输送

What is dilute phase pneumatic conveying

What is dilute phase pneumatic conveying? When the airflow velocity in the pipeline is high enough and particles are transported in a suspended state in the airflow, it is called dilute phase transport. In pneumatic conveying, the commonly used mixing ratio or conveying concentration or solid gas ratio R represents the solid concentration in the airflow. According to the ratio of materials and airflow in the pipeline and the characteristics of two-phase flow, pneumatic conveying systems are divided into three types: dilute phase conveying (suspension flow conveying), dense phase conveying, and plug flow conveying. The mixing ratio is usually R=1-5, and the maximum value can reach 15

煤粉气力输送系统气力消耗的因素

Factors affecting pneumatic consumption in coal powder pneumatic conveying system

The advantages of coal powder pneumatic conveying system are that the conveying process is completely carried out in a closed pipeline, with few equipment, easy layout, simple system, less or no effective space occupation, and good workshop environment; The disadvantage is that it consumes a lot of power, which is related to production and operating costs. We will maximize its advantages and minimize its disadvantages. The problem of high power consumption, especially in pneumatic conveying powered by compressed air, is mainly affected by the following factors: 1 Losing

气力输送系统中影响性能的因素

Factors affecting performance in pneumatic conveying systems

The pneumatic conveying system uses compressed air as power, and materials are conveyed in sealed pipelines under the action of airflow. With the rapid development of the economy, this dust-free conveying method is also constantly evolving, and pneumatic conveying technology is constantly improving. The materials conveyed are becoming more and more extensive, and after years of exploration by pneumatic conveying manufacturers, the factors that affect the performance of pneumatic conveying are summarized as follows: 1. Erosion and loss. Hard gravel like materials can quickly wear down

气力输送设备(喂料器)

Pneumatic conveying equipment (feeder)

The feeder, also known as the rotary feeder commonly used in pneumatic conveying systems, is referred to differently in different regions; It is used as a feeder in medium and low pressure pneumatic conveying systems, and in the system separation and dust collection section, it is commonly used to discharge materials and dust and prevent external air from entering the pneumatic conveying system during the discharge process. In addition to being used for feeding and unloading, the feeder can also be used for metering and batching; Its purpose depends on the process location of the pneumatic conveying system placed

膨润土气力输送系统的选择

Selection of Bentonite Pneumatic Conveying System

When choosing bentonite pneumatic conveying, the first thing to understand is the characteristics of the material. Bentonite has strong moisture absorption and expansion properties, and can adsorb 8-15 times its own volume of water. The volume expansion can reach several times to 30 times; Has strong cation exchange capacity; Has a certain adsorption capacity for various gases, liquids, and organic substances, with a maximum adsorption capacity of up to 5 times its own weight; Acidic bleaching soil with surface activity (active bleaching soil, natural bleaching soil acidic bleaching soil) can adsorb

为什么原来越多的企业选择气力输送

Why are more and more companies choosing pneumatic conveying

Pneumatic conveying devices can be divided into inclined groove pneumatic conveying devices and pipeline pneumatic conveying devices. The application characteristics of pneumatic conveying devices are mainly used to convey bulk materials such as powder, granules, or small pieces. The conveying distance is 50-100m, and the maximum can reach 200m. The conveying capacity is 15-250t/h, and the maximum can reach 800t/h. The vertical conveying height can reach 300-400m. The conveying material particle size can reach 50-80mm. Its advantages are: 1) good sealing, which can ensure the quality and environmental hygiene of the conveyed material

仓泵的串联和并联使用

Series and parallel use of warehouse pumps

In dense phase pneumatic conveying, the bin pump is one of the indispensable equipment in pneumatic conveying. It is a sealed pressure vessel. The material and compressed gas are fully mixed and fluidized in the bin pump, and then transported to the discharge point through the clinker pipe. The system using the bin pump as the pneumatic conveying equipment can be used for continuous conveying or intermittent conveying. For intermittent conveying, a single bin pump can be selected. If higher conveying efficiency is required, the bin pump can be connected in series or parallel to achieve continuous conveying. The bin pump is suitable for

浓相气力输送设备(仓泵)

Concentrated phase pneumatic conveying equipment (silo pump)

To achieve efficient conveying, we generally use dense phase pneumatic conveying systems, which have the advantages of low conveying speed, high solid to gas ratio, and minimal material wear. By using airflow to push materials from one end of the pipeline to the other, the positive pressure dense phase pneumatic conveying system of the bin pump officially utilizes fluidization and gas-solid two-phase flow and conveying, using compressed air dynamic pressure energy and static pressure energy to jointly transport high concentration ash removal system. The positive pressure ash removal system of Shandong Juheng Environmental Protection Equipment Co., Ltd

气力输送粉体设备

Pneumatic powder conveying equipment

Generally speaking, pneumatic powder conveying equipment is a device that uses airflow to transport powder from front to back in pipelines; Narrowly defined, it refers to the equipment in the powder conveying pipeline section. Pneumatic powder conveying equipment is one of the fluid pneumatic conveying methods, which uses airflow to transport powder particles in pipelines, also known as pipeline pneumatic conveying. Due to its high conveying efficiency, simple equipment structure, convenient maintenance and management, easy implementation of automation, and environmental protection advantages; Especially for factories

气力输送系统故障分析

Fault analysis of pneumatic conveying system

The pneumatic conveying system has obvious advantages in conveying powdered materials and is one of the effective ways to transport bulk powdered materials. The reasons for the failure of the pneumatic conveying system can be summarized as follows: firstly, insufficient understanding of the characteristics of the conveyed material, leading to unreasonable selection of conveying methods; Secondly, there are issues with the design parameters and equipment manufacturing technology, which pose a risk of malfunctions; Thirdly, there is a lack of correct operation and scientific understanding of pneumatic conveying systems and equipment

脉冲除尘器的选择

Selection of pulse dust collector

Pulse dust collectors are suitable for placement at the top of various powder storage warehouses to collect various small dry dust, making them an efficient purification device; It adopts pulse cleaning technology, has the advantages of high gas processing capacity, good purification effect, simple structure, and reliable operation, and is an indispensable component of pneumatic conveying systems. Pulse dust collectors have many uses and handle different types of dust, so the filter bag materials used are also different. How to choose a pulse dust collector? A high

什么是叶轮式供料器

What is a impeller feeder

The impeller feeder is one of the pneumatic conveying feeding equipment, which consists of a casing body, impeller, transmission device, sealing ring, etc. The upper end of the casing is the feeding port connected to the hopper, and the lower end is the discharging port. The rotating impeller is the main working component, which separates the inlet and outlet ports, allowing materials to smoothly enter the conveying pipe under positive pressure without overflowing. When the rotary feeder is working, the material is discharged from the hopper above and falls between two blades. With the rotation of the blades

粉体的输送方式有那些

What are the transportation methods for powders

How to choose powder conveying and which method is most suitable for powder conveying, which requires moving consistent materials and meeting production requirements at the same speed. This requires a technology that maximizes production while maintaining a safe working environment. The key factors to consider in the selection process include: the properties of the material to be moved, the intended use of the conveyor belt, environmental factors that may affect the conveyor design, and powder vacuum conveyors