Committed water filtration system developing and producing since 2002
TEL：+86-731-84391122
Email：info@cncdfs.com
Customized product for customers
Single unit flow 19-2000m3/h
Filtration precision 20-4000 micron
Pressure lose 0.2-0.5bar
Backwash water consumption less than 0.5% filtering water
Customized product for customers
Filtration precision: 20/50/100/130/200/400 micron
Filter units backwash by time/differential/manual, supply water won’t stop when filtering
Customized product for customers
Fast/low filtration speed for choice
Pressure loss 0.2-0.5bar
Modular and compact design
“20/24/28/36/48/56” size filtering vessels
Customized product for customers
Solve spray irrigation, drip irrigation, seepage irrigation and other problems
Solve the problem of serious jam of irrigation conveyor belt
Enhance the service life of irrigation system to meet continuous water supply
Three main problems in industry water treatment
Impurities of more,Nozzle, dropper, easily blocked
High turbidity effects in heater/chiller efficiency
Impurities of too muchShort of recycling or emission standards
Customized solutions for industrial,irrigation and municipal water treatment.
Water source heat pump air conditioning system is a kind of high efficiency and energy saving air conditioning system that utilizes the underground shallow geothermal resources (including groundwater, soil or surface water, etc.) for both heating and cooling.
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Circulating water supply system of cooling tower: according to its ventilation mode, cooling tower can be divided into natural ventilation cooling tower and mechanical ventilation cooling tower.
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Air conditioning cooling towers are mainly used in large shopping malls and buildings where central air conditioning is needed. Most air conditioning cooling towers adopt mechanical ventilation to increase air flow in cooling towers.。
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Air conditioning cooling towers are mainly used in large shopping malls and buildings where central air conditioning is needed. Most air conditioning cooling towers adopt mechanical ventilation to increase air flow in cooling towers.
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Tyre rubber cooling water filtration, cooling pool -- filter side filter -- pump -- filter -- cooling rubber -- back to the pool;
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Oil recovery water injection filtration, oil recovery wastewater -- sand settling regulating tank -- oil tank removal -- deep treatment -- filtration -- recirculation;
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Enhance your citrus orchard's irrigation with our Sand Media and Disc Filters, complemented by auxiliary flow meters for precise water management. Click to learn about efficient irrigation solutions
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Sugarcane Plantations,Irrigation Filtration,Irrigation Filtration Solutions, sand filter irrigation,disc filter irrigation
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Agricultural irrigation head filtration system, groundwater -- pump -- centrifugal filter -- filter -- irrigation
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Agricultural irrigation head filtration system, groundwater -- pump -- centrifugal filter -- filter -- irrigation --
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Waste heat is filtered, containing hot wastewater (paper or steel) - pumps - filters - heat exchangers - and returned to the original system as cooling water.
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Marine press water reuse, seawater -- coarse filter -- pump -- filter -- ultraviolet -- cabin;
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Process: seawater -- lifting pump -- filter (1) -- filter (2) --UF-- primary RO-- secondary RO-- fresh water pool.
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High concentration wastewater treatment, wastewater to be treated -- pump -- filter --DORO membrane -- storage tank.
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CDFS filtration system includes centrifugal filters, self-cleaning filters, laminated filters and other filtration equipment that can filter water from rivers, canals, lakes, ditches, and Wells for use in any irrigation system, including sprinkler, drip, and micro-irrigation systems.
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Everyone knows that the cooling tower circulation pump inlet pipe should be installed filters, because the circulation of water circulation too much dirt, if not installed filters at the pump inlet, dirt is very bad for the pump. Filter should be installed before circulating pump to remove impurities in the water so as not to break the pump. This time, huaqiang chemical group wants to purchase CDFS self-cleaning filter for cooling tower circulating water filtration.
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CDFS provides DLD electric brush FL series self-cleaning filters and DLD electric brush FY series self-cleaning filters to solve impurities and suspended solids in the water system, providing the production system with water quality in line with the process requirements, and ensuring the normal operation of the water system.
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Shanxi tianji coal chemical industry group co. LTD is the leading enterprise of national coal mine. At the beginning of the year, tianji coal chemical purchasing personnel through the Internet preliminary understanding of our company's product characteristics, in order to further confirm the company's technical strength, came to our company in April inspection. During the investigation, through the communication with our technical personnel and in combination with the requirements of mineral safety, our company specially designed a plan, which was approved by the responsible person of the mine.
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CDFS although this cooperation with liaoning sanhe environmental engineering co., LTD., but anshan iron and steel is duoling's old customer, because of this, the cooperation reduced a lot of detailed understanding of customer demand time, improve work efficiency, duoling with the understanding of anshan iron and steel demand, quickly determined the technical requirements and arrange production.
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At the end of 2009, xinta steel purchased the self-cleaning filter from CDFS. through a tender for boiler water filtration. Iron ore mining, iron and steel smelting companies, generally complex water quality, water requirements, but according to the actual requirements of the site to produce all kinds of models, precision, diameter of self-cleaning filters.
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In the second sintering project of hualing xianggang group, polyling filtration self-cleaning filter is used in the circulating water system, which can well solve the impurities and solid suspended solids in the water system. It plays a very important role in providing the water quality in line with the process requirements for the production system and ensuring the normal operation of the water system.
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Guigang iron and steel needs to use self-cleaning filter to filter raw water and circulating water in the newly set circulating cooling water system of blast furnace. Due to the large flow rate and high complexity set in the pipeline of circulating cooling water system of blast furnace. Duoling offers the FL series of vertically mounted self-cleaning filters, as well as the FS series of high-flow self-cleaning filters.
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Zhengzhou nissan is equipped with the self-cleaning filter produced by duoling in the air compressor cooling system after the use of confirmation, the circulating water cooler without scale generation, sludge greatly reduced, and improved the cooling effect of the cooler, reduced the energy consumption and maintenance costs, a good protection of the normal operation of the air compressor.
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In NSK's industrial production, process water filtration requires high filtration precision, which is very important to ensure the normal operation of water system. NSK eventually chose more spirit self-cleaning filters, it can realize automatic online cleaning, automatic drainage, operating with the differential/time/manual three functions, high filtration precision, the time is short, less clean water, and the advantages of small pressure loss, more spirit self-cleaning filter for NSK water system provides a stable water quality guarantee.
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Anshan iron & steel co., LTD chooses duoling self-cleaning filter, duoling can provide filtering solutions that meet the requirements of production process according to the actual situation of the process, from coarse filter to fine filter, from automatic sewage filter to automatic self-cleaning filter, to ensure the normal operation of the water system, to achieve the purpose of saving water, saving energy, reducing consumption and environmental protection.
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More spirit to stand out from many competitors, successfully won the bid for China resources power lianyuan power plant circulating water cooling system of self-cleaning filter project, after a period of running, self-cleaning filter operation is stable, for CRC lianyuan power plant circulating water system of water quality provides a reliable guarantee, more product quality and brand spirit filtering again for approval. Your recognition is more than clever forward motivation. Duo ling is willing to share the world's new technological achievements with you.
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According to the situation of water quality on site and the filtration effect needed to achieve, the technical staff of CDFS filter chooses to use multiple duoling self-cleaning filters in parallel, and USES the motor to drive the cleaning brush in the filter screen of the self-cleaning filter to clean the impurities intercepted by the filter screen, and then goes through the principle of discharging the impurities through the sewage valve.
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The main function of disc filter system in air conditioning system is to prevent the blockage and pollution of heat exchanger, pipeline, nozzle and product, ensure the efficiency of heat exchange, save water and energy, and improve the concentration ratio of cooling water.
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As a large commercial plaza, it is particularly important to maintain the air conditioning system in the early stage. This time, csc5, which is responsible for the construction of kaide square, again found duoling environment in changsha to provide soft water quality, reduce hardness and automatic water replenishment for its air conditioning system to maintain the technical support of system pressure.
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CDFS products appear in the capital airport, through the fierce competition, our company's self-cleaning filter successfully won the bid for the capital airport expansion project terminal 3 project, domestic water treatment equipment shake hands with the international airport, which means that the foreign brand exclusive international airport water treatment equipment situation will be changed.
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As early as last year, through the construction of its construction group to find changsha CDFS environment, to understand the water quality situation on site, CDFS technical recommended a set of filtration solutions suitable for the system, the end of the net self-cleaning filter.
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CDFS electric brush filter won the underground well water filtration project of tumultingaobao zinc mine (a sino-mongolian joint venture) in Mongolia. Duoling products will shoulder the responsibility of filtering out clean water for everyone.
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At any time, the community is paying more and more attention to environmental protection, the application of self-cleaning filter in social production and life is also more and more widely, it is more and more important in the water system filtration, self-cleaning filter how reasonable installation and use.
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As the water filtration system supplier of China national nuclear corporation, CDFS filtration carries out many checks on product production and testing as usual. According to the specific situation of this project, we choose the stainless steel self-cleaning filter with mesh surface filtration, online intelligent cleaning, various cleaning forms and strong corrosion resistance to capture.
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Through the understanding of the situation water quality, the sewage reuse project prophase protection with much spirit of shallow medium filter to filter, is composed of four standard of the filter unit, water flow through the internal water distribution and collection of water, quartz sand medium do packing, to remove particles and reduce the effectiveness of turbidity, for the whole life sewage reuse project prophase protection filter effect, for the stability of the water system has run provide a reliable guarantee.
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self cleaning filter, automatic self cleaning filter, cooling tower, power plant water treatment
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sand media filter, multimedia filter, cooling tower water treatment, side filtration,
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Zhongshan yongfa paper co., LTD applies self-cleaning filter, paper mill water filtration accuracy requirements are high, the general filtration accuracy is: 100 -- 200 micron, the end of duiling filter for the company to choose a 120 micron wedge filter.
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Heng wei paper at the beginning of this year from multiple spirit into the same type of filter is applied to the water, for water liquid properties and composition, spirit in the filter design can improve the precision requirement, at present, this batch of filter has been applied to heng wei run, including the introduction of high-tech technology, cost savings, the economic benefits of, make constant wei and spirit have the further cooperation.
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Committed to water filtration system developing and producing since 2002. Customized water filtration solutions.
Over 20000 square area, capacity yearly 50000pcs
with competitive price.
Welcome to visit.
Each filter tested before delivery Insured ISO9001&CE certificate Serviced over 95 industrial and exported to 30 countries+
Solutions confirming: One to one communication
with experienced staff
Production beginning: Keep updated and welcome
to inspect.
Installing&Commissioning: One year warranty,
24 hours after-sales service
For 20 years, we only do one thing
Based in China, Hunan Dawning is water filter system company developing,producing and selling since 2002. The main products include automatic back washing filter, self cleaning filter,sand media filter, disc filter, valves and accessories,dosing system,etc. We could provide efficient,stable solutions for industrial,irrigation and municipal water treatment. They are widely used in construction, steel, electricity, petrochemical, metallurgical, pharmaceutical, paper, automotive, hotels,...
National Day mountain climbing activities
Years activities
Indowater 2019
Training to learn
2024-08-14To view
2023-03
2023-02
2021-04
2021-04
2019-12-10To view
2019-10
Media filter (also known as sand filter)-media type micron water filtration, which greatly reduces water turbidity at one time, truly achieves high filtration s...
2019-10
Disc Filters-Laminated high-efficiency deep backwash filters with continuous backwashing, continuous water discharge, and soft and fibrous impurities. Disk filt...
2021-02-26To view
2019-10
Compared with the traditional filtering equipment, the self-cleaning filter is a new type of filtering equipment. The self-cleaning filter is a separation filte...
2022-11
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2022-08
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