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No. 16 Hongqi Road, Gaocheng Town, Yixing City, Jiangsu Province
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Yixing Pengqi Environmental Protection Technology Co., Ltd
Dissolved shallow air flotation machine
NegotiableUpdate on 05/18
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Overview
The working principle and scope of application of our dissolved air shallow air flotation machine are basically the same as other air flotation machines, but there are significant structural reforms. Generally, air flotation systems consist of separate air flotation tanks, dosing equipment, dissolved air tanks, dissolved air pumps, air compressors, and sewage pumps, which result in long installation time, inconvenient management, and large footprint. Air flotation organically combines these separate devices together. Generally, sewage with pH value adjustment can be put into use immediately as long as the inlet and outlet pipes are connected.
Product Details
1、 Overview:
our companyDissolved shallow air flotation machineAlthough its working principle and scope of application are basically the same as other air flotation methods, it has undergone significant structural reforms and has the following advantages:
1. Equipment integration: Generally, air flotation systems consist of separate air flotation tanks, dosing equipment, dissolved air tanks, dissolved air pumps, air compressors, and sewage pumps, which result in long installation time, inconvenient management, and large footprint. YF air flotation combines these separate devices organically. Generally, sewage with pH value adjustment can be put into use immediately as long as the inlet and outlet pipes are connected.
2. Automated operation: Once the air flotation is debugged, it can operate normally and achieve an automated unmanned management state.
2、 Working principle
Dissolved shallow air flotation machineThe working method of this method belongs to pressurized dissolved air flotation. Its working principle is: under certain conditions, a large amount of air is dissolved in water to form dissolved air water, which serves as the working medium. By releasing sudden pressure reduction and rapid release, a large number of fine bubbles are generated, which adhere to the 'alum flowers' in the wastewater after coagulation reaction, causing the flocs to float up. The specialized slag scraping device scrapes off the floating slag and oil, achieving the purpose of solid-liquid separation.
IIIworking diagram
The pressurized dissolved air flotation process mainly consists of three parts, namely the pressurized dissolved air system, the dissolved air release system, and the air flotation separation system.
1. Wastewater tank 2, wastewater lifting 3, air flotation tank 4, reflux pump 5, dissolved air tank 6, air compressor 7, release device 8, scraper
4、 Application scope
Solid liquid separation: Solid particles in wastewater have very small particle sizes, and the density of the particles themselves and the flocs they form is close to or less than that of water, making it difficult to achieve solid-liquid separation in various types of wastewater using precipitation methods.
2. Liquid liquid separation: Separate and recover fine oil droplets of petroleum and organic solvents, surfactants, and various metal ions from wastewater.
3. In terms of water supply, it can be applied to purify high algae water sources, low temperature and low turbidity water sources, polluted water sources, and industrial raw materials.
4. Require higher hydraulic power than gravity sedimentation.
dosing device
The dosing device is an intelligent, fully automatic, continuous integrated flocculant dissolution and dosing device, with a solution preparation range of 0-4000 liters/hour and a concentration of 0.1% -0.5%.
This device consists of a water supply system, a dry powder feeding system, a dissolution and maturation system, a control system, a liquid feeding system, and a secondary dilution feeding system.
This device is a fully automatic continuous configuration and dosing system for powdered (or liquid) polymer flocculants. The dry powder flocculant enters the pre mixer from the screw propeller and is pre mixed with clean water. The moistened material enters the preparation tank for dilution and is prepared according to the required concentration; If it is a liquid flocculant, it is directly added to the preparation tank by a screw pump. During the preparation process, if there is a change in water volume, the flocculant dosing device will automatically follow the change in water flow rate to ensure that the concentration of the prepared solution remains unchanged throughout the entire working process.
The prepared solution enters the storage tank after passing through the maturation tank. When the liquid level in the storage tank is at a high level, the preparation process automatically stops. When the solution drops to a medium level, the batching process is automatically restarted. Both the preparation tank and the maturation tank are equipped with multi blade agitators to fully ensure the dilution and maturation of the flocculant. In addition, the liquid level signal under the storage tank can be used to control the start and stop of the secondary dilution and dosing process.
This device is a control system composed of basic units such as a PLC controller, a Chinese human-machine dialogue interface, and a microcontroller, which are integrated into a servo proportional controller. It has a high degree of automation, stable performance, reliable operation, intuitive Chinese human-machine interface, menu operation, and is simple and clear.
The automatic dissolution and dosing device for flocculants consists of the following parts:
water supply system
Dry powder dosing system
Liquid medication dosing system
Dry powder premix system
Integrated three slot combination box
mixing system
Automatic control and detection system
The characteristics are as follows:
High degree of automation, the system is controlled by PLC and adopts a Chinese human-machine dialogue interface. Operate and display the operating status of each unit on the interface, with an intuitive human-machine interface, simple and convenient to operate.
The system is stable and reliable. In the event of a malfunction, the relevant equipment will automatically stop as required and sound an audible and visual alarm.
The powder is fed using a double helix feeder with closed-loop speed control to ensure uniform, dispersed, and accurate feeding within 1%.
Under the specified production volume and continuous liquid feeding conditions, the maturation time of the prepared solution is guaranteed to be at least 1 hour. Its preparation concentration is 0.05% -0.5%.
Made of stainless steel material, it has good corrosion resistance and is aesthetically pleasing.
Adopting a three tank overflow solution operating system makes the equipment structure simple, small in size, and easy to install. Suitable for the process flow of dissolving and continuously adding chemicals.
The mixer adopts a specially designed multi-stage blade structure.
The premix accelerates the hydration of the powder, and the water flow state can be adjusted.
The amount of dry powder added automatically follows the changes in water flow rate to maintain a constant concentration.
Specifications
HYJY-500 solution preparation amount 500ml/hr
HYJY-1000 solution preparation amount 1000ml/hr
HYJY-2000 solution preparation volume 2000ml/hr
HYJY-3000 solution preparation volume 3000ml/hr
HYJY-4000 solution preparation amount 4000ml/hr
