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0.75kw daf pump micro bubble pump ozone mixing pump for dissolved air flotation waste water treatment
As a thesis published by Futyu Laboratory shows that the application of micro bubbles can greatly improve the growth of aquacultures like oysters, scallops and other marine products.
Dissolved Air Flotation
Dissolved air flotation (DAF), which is mainly used in wastewater treatment system, is a reliable and proven process for purification. DAF is used for the easy separation of suspended matters in liquids. The DAF system works by saturating the process water with air under high pressure which is then released to normal pressure and piped into the wastewater tank. The micro bubbles generated during pressure release work to attract suspended particles in the liquid and float them to the surface where they are then skimmed away.
The micro bubble generator's ideal fields of application includes the treatment of oil-water emulsions, fat separations, phosphate precipitations and heavy metal precipitations as well as final sedimentation at bio-treatment plants. Multistage flotation plants are a solution to the treatment of special waste.
When using the Micro Bubble Generator, the gas is fed directly into the inflow pipe. This way can considerably reduce the components compared to the traditional DAF system. The compressor, pressure tank, pumps, control, and numerous valves can be removed.
During pressure generated in the DAF system, Micro Bubble Generator achieve a thorough homogeneous mixing of liquid and gas. The gas saturation can be further increased by adding additional downstream solution lines.
The Micro Bubble Generator can produce bubbles whose diameter is between 30-50 microns depending on the waste water and the saturation pressure dispersions.
Advantage
According to the customers report, considerable energy has been saved after using Micro Bubble Generator besides improved effluent values and a reduced input of chemicals. Micro Bubble Generators do convince stable conveying features and low wear operation compared to side channel pumps.
Product Display(Closed Couple Type)
Product Display(Coupling Type)
Model Selection Table
Further Applications
Fuel Production
In the processing of regenerative energy carriers like biofuel, wood, waste fraction with high heat value, or animal meal to synthetic gas, the carbon dioxide has to be removed. The gas is forwarded by a compressor to an absorption cell, where it flows up through a support medium aggregate. This aggregate is being sprayed from above with water that is conveyed by a Micro Bubble Generator. During this process, the water is enriched with CO2 out of the synthesis gas. Afterwards the water is led into a desorption tank, in which most of the CO2 will out gas.
Treatment of Cooling Lubricants
For the treatment of nonpolluting cleaned cooling lubricants for example out of the milling process for steel profiles the water-oil mixture does flow through a collecting basin with a sludge trap towards an abstraction tank and from there it is transported into a sedimentation tank. Micro Bubble Generator recycle the medium being primed with corresponding chemicals in the flotation system.
Mineral Processing
Most copper mining factories need crude ore that is cracked, grinded in rock crushers and subsequently supplied towards the flotation. Fine air bubbles transport the small mineral particles to the water surface and keep them flotating. By means of water-air mixture and adding of flotation additives as the same time the copper ore is separated from other ores. The ore concentrate subsequently is smelt in the following process.
Cleansing Agent Treatment
After the machining of mechanical parts as motor casings and gear boxes the parts are cleaned and oil residues accumulate. The cleansing agents transported in a closed circuit carry the oil residues and are cleaned subsequently in a flotation process.
Ammonia Stripping Plant
A stripping system is installed and serves for reducing the ammonia nitrogen content and also the chemical oxygen demand(COD)in the process waste water to the standard values downstream the fertilizer production process.
Initially the waste water is fed into the tank near ground level. From there it is conducted into a Micro Bubble Generator where air is mixed along with the water and brought into solution under pressure. After pressure released, the generated water-air mixture is delivered back into the tank through nozzles from above. Due to this sparkling, the ammonia releases gaseously from the waste water. It can be conveyed by a gas pipe to the fertilizer production process again.
Elimination of Lime
In the paper industry limy deposits out of the circulation water in pipes, cooling systems, heat exchangers etc. are being eliminated by the utilization of lime traps. This considerably reduces the fresh water consumption and secures a sustainable improvement of the process reliability. Also the cost foe maintenance and service of the systems are reduced significantly. By means of Micro Bubble Generator it has been managed to reduce the energy costs of traditional systems by more than 65%. Moreover cost- and maintenance intensive components like pressure reactors do not occur.
Outgassing during LPG pumping
Due to the partial gas handling capability of the Micro Bubble Generator, outgassing is reliably managed. This applies especially for the transport of liquid gas.
Cooling water treatment by Ozone
The innovative conception of the Micro Bubble Generator did lead to participation at seventh frame programming of the EC for research and technological development. Marine bio-fouling is major problem for material in constant contact with seawater. Accumulation of marine organisms has impact on the proper functioning of engines and further appliances on board that need constant and proper cooling, and on the safety of the vessels.
The project comprises the development of a system for avoiding bio-fouling, by means of improving the quality of the seawater for cooling the ship's engines and by this avoiding considerable maintenance costs and at the same time assuring a reliable operation of the seagoing vessels.
Please contact for testing video to see the effect of the machine in the video
Edon is a manufacturer of Micro Bubble Generator and related products. We can provide our customers all the before and after sales services. We sincerely welcome your inquiry for more information about our products. Please find all the contact information below.
Installation
Micro Bubble Generator are operated with clean liquid. Pre-cleaned water in the recycle -flow process. Also during starting phase attention must be paid to the water cleanness.
Realize inflow conditions at pump inlet side. Make sure liquid is filled with pump body.
Select throttle valve and pressure release valve with good dosing features
Install gas supply line above highest liquid level to keep liquid away from entering the air flow measuring device.
Select air flow measuring device with suitable metering range and with needle valve for optimal adjustment of the air flow.
Design inflow-pipe from air inlet to pump inlet flange in a short and horizontal way in order to ensure that always a constant water-air proportion arrives at the pump.
As solution line for dissolved air flotation a pipe line with larger nominal width will be suitable in order to achieve a retention period of approx. 1 minutes until pressure release.
If required, surplus air can be led away by means of a bubble separation at highest position before pressure release(pipe line with very small nominal width).
Initial Starting
Initially pump is started according to the known operating instruction for pure water supply. Check the maximum pump pressure as per characteristic curve point by short-time closing of the pressure release valve while the bubble separation pipe is closed.
Open the pressure release valve until the required operation pressure for pure water supply has been reached. At the same time, it has to be considered that the flow rate for pure water supply has to be approx. 10 to 20% higher than for the supply of water-gas mixtures.
Reduce the rate of flow slightly at the inlet side by means of the throttle valve till a pressure (vacuum) between -0.2 and -0.3 bar is achieved at the suction side manometer. Open the air supply at the throttle valve and adjust the required air flow gradually at the needle valve. The operating pressure at the pressure side manometer decreases slightly. If necessary, re-adjust the vacuum at the pump inlet side in case that the required air flow will not be sucked in from the atmospheric air. In case of delivery stops the air flow has to be reduced accordingly.
In order to avoid large bubbles the gas contents must not exceed the physically possible solubility.
Other gases also can be charged considering the solubility. Differing methods also will be possible after consulting.
Our company has committed to researching, developing and producing Micro Bubble Generator and related products. We have an experienced research team to explore new technologies in this filed and design the productions accordingly and a professional sales team for the customers service. Our product has A-grade quality and achieved a good reputation worldwide. We currently have customers from Thailand, Indonesia, South Korea, Panama, Czech Republic, India and The United Arab Emirates etc.
The exhibition is mainly about all kinds of equipment that is used for environment protection.
1. Are you a trading company or manufacture?
Edon is the manufacture of all models of the micro bubble generator listed above and its related products. Our factory is in Shanghai City. We welcome our customers from all over the world to visit our factory.
2. How is gas-liquid mixing effect?
The percentage of dissolved gas in the liquid is between 10% - 15%.
3. What is the MOQ?
One piece.
4. Can you provide special requirements from customers?
Yes. We can provide specific solution to your actual requirements. For instance, if you want to use the products to cultivate aquacultures in the sea water and you need special anti-corrosive material to protect the machine, we can customize the machine with SUS 316 or dual-phase steel. Also please name your special requirements about the voltage and electricity frequency. A kind remind here, motors manufactured in China normally is 50Hz.
5. How long is the lead time?
We can deliver the products as soon as we confirmed your payment. This usually takes 2-5 working days for the bank to verify the payment.
6. Can I get discount from bulk import?
Yes off course. The products' price benefits from mass production. Please contact for more information about this.
7. Where are your customers from?
Our customers mainly from Southeast Asia, Europe and Latin America. We currently have customers from Thailand, Indonesia, South Korea, Czech Republic, Panama and etc.
8. Agent wanted.
Please send email to inform us if you want to be an agent of our product in your region. We welcome agents from all over the world and we can discuss more about this if you're interested.
9. More questions?
Please feel free to contact me any time you like via below contact information for more questions.
Edon has been working hard since its inception to provide our customers with satisfactory service and quality products. We are committed to providing long-term cooperation with our customers and providing you with confident, satisfying, and the best professional and technical services. The company's operating philosophy is "integrity first, quality first, service first."
The main products produced by our company are Micro Bubble Generator (gas-liquid mixing pumps), circulation pumps, flexible pumps, and various micro-bubble processing systems. They are mainly used for air flotation, ozone water production, oxygen-enriched water production, and aeration. Washing machine, boiler feed water, circulating fluid delivery, hot oil circulation, agriculture, engineering support, etc. And in the vortex pump industry has broken through a variety of technical problems, greatly improving the efficiency of the vortex pump. The flexible pump is based on domestic and foreign flexible pumps and improves the material of the flexible pump impeller to make it last longer. In addition, we are also developing various special pumps for different special industries and special systems for special pumps to meet the special needs of different customers.
The "vortex pump" has the characteristics of simple structure, low noise, no metal friction, stirring and mixing capability, self-priming function, etc. It is the first choice for gas-liquid mixing and liquid-liquid mixing processes. The pump is divided into EDS series (used for special industry stainless steel vortex pump), EDQS series (used in common industry stainless steel vortex pump), can be matched with explosion-proof motor or single-phase motor to meet the needs of different customers.
Our company can also design and customize all kinds of special pumps according to the needs of customers, as well as various special small systems, such as ozone water disinfection machine, micro-nano bubble cleaning machine, small bubble removal vacuum system, mini-metering system, etc. to meet the special needs of customers.
The company's products are sold all over the country, but also a large number of foreign customers. The purpose of the company is "Quality First, Integrity First". With the spirit of excellence, we will push our products and enterprises to one new level, and better serve the new and old customers!
All the products are shipped with standard package.
Kindly contact us if you need more information about the product. We are looking forward to your inquiry.
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