Beijing Luolun Filter Equipment Technology Co., Ltd. has strong filtering ability and large flow rate: at present, the large-flow "straight-through" filter widely used in coal mines has a maximum flow rate of only 380L/min, and the filter can reach more than 800L/min. Full-automatic filter, filter, full-process integrated water processor, electronic descaler backwash filter has high filtration accuracy: full-automatic self-cleaning filter backwash filter has two or more groups of filter elements, with large flow area and small original pressure loss, which can realize large flow and high-precision filtration (25 m, 40 m), which is difficult for traditional filters to achieve. The backwashing filter quantifies the pollution degree: the filter can be equipped with pressure gauges K 1 and K2 at the Pi port at the inflow end and the Po port at the outflow end of the liquid, with p = K 1-K2, which quantitatively reflects the pollution degree of the filter and is convenient for cleaning at any time. Traditional filters have no auxiliary function. Backwashing filter online backwashing filter screen: the filter realizes online backwashing filter screen (instant cleaning for 2-3 seconds, and a very small amount of liquid is discharged from the system), full-automatic filter, filter, full-process integrated water processor and electronic scale remover, which fundamentally solve the disadvantages of using traditional "tubular" filter, greatly shorten the maintenance time, thus prolonging the service life of equipment and improving production efficiency.
Overview of automatic self-cleaning filter products HJ backwashing sewage filter is suitable for all kinds of water supply systems, process water systems and industrial cooling water systems, especially for 24-hour continuous operation non-stop systems, which can filter out all kinds of mechanical impurities in water and ensure the safe and reliable operation of system equipment. Product characteristics of backwashing sewage filter
1. High filtration accuracy: wide filtration accuracy range, d = 0.5 ~1.2mm;
2. Long service life: composed of stainless steel wedge filter and high-quality carbon steel cylinder;
3. Low comprehensive cost: Beijing Luolun Filter Equipment Technology Co., Ltd. does not need to disassemble and replace the filter screen, and its service life is as long as 20 years;
4. Simple operation, high efficiency: there is no need to connect bypass and disassemble the machine for cleaning, and the automatic self-cleaning filter has good filtration backwashing effect. Working principle of fully automatic filter, filter, full-process integrated water processor and electronic descaler backwash filter HJ backwash sewage filter is usually composed of high-quality carbon steel cylinder, stainless steel wedge filter with special structure, water flow guide valve and sewage discharge device. If users have special requirements, it can also adopt all-stainless steel structure. When the filter works, the water flow guide valve is in the open state, and the water flow enters the filter from the inlet and passes through the filter screen to the outlet. When the filter needs to drain water, the water flow guide valve is closed and the drain valve is opened, so that water flows into the inner side through the filter screen, a part of water flows into the system through the water outlet, and the remaining water flows into the inner side from the outer side of the rear half of the filter screen, and is discharged through the sewage outlet, thus playing the role of reverse automatic flushing of the filter screen. In this way, the whole flushing process system can run normally without stopping.
Practice has proved that although the one-time investment of backwashing filter is higher than that of "tubular" filter, the operation is simple and easy, the filter element does not need to be replaced after pollution, and the filter screen of a support can be cleaned within 15 seconds. When the bracket without backwashing filter is blocked, the automatic filter, filter, full-process integrated water processor and electronic scale remover can only replace the filter element, each of which takes 15~30 minutes, and it is easy to be polluted again. Long-term economic benefits, the latter is much higher than the former. Therefore, it is necessary to choose a backwash filter with filtering, self-cleaning and cutting-off functions and high degree of automation.
Features of automatic self-cleaning filter:
An automatic self-cleaning filter adopts a plurality of filter cartridges to filter, so that the effective filtering area is large and the pressure loss is small. The designed filtration area is 3 ~ 5 times of the import and export area.
B the full-automatic self-cleaning filter is easy to maintain: it is equipped with an inspection manhole, which is convenient for loading and unloading the filter cartridge and backwashing filter.
C. The automatic self-cleaning filter adopts the structure of filtering with multiple filter elements and cleaning one by one, with uninterrupted water supply during cleaning.
D automatic self-cleaning filter program control: various parameters of the system can be set according to the actual situation of users.
E advanced control system of automatic self-cleaning filter: the control system has high precision, and the working mode and running state can be adjusted according to different water quality to improve the adaptability to water quality.
F. Convenient control mode of automatic self-cleaning filter: pressure difference/time can be controlled simultaneously or independently, and it can be selected arbitrarily according to actual working conditions and requirements, and it can run automatically; At the same time, manual/automatic transfer switch is set, which can preset control mode and pneumatic interlock.
G. The backwashing filter is equipped with local control, and a remote control switch can be set when necessary to realize local operation and remote control operation.
H the backwash filter has the functions of running status output and fault alarm output. Ensure that the equipment is used under safe and reliable conditions.
Function of automatic self-cleaning filter
The invention is mainly used for purifying water, especially in the field of microfiltration with high requirements on water quality. Automatic backwashing filter can remove impurities such as silt, clay, rust, suspended matter, algae, biological slime, corrosion products, macromolecular bacteria, organic matter and other tiny particles in water, so as to achieve the purpose of purifying water quality.
Technical characteristics of automatic self-cleaning filter
A, the automatic self-cleaning filter has high filtration accuracy and stable effluent quality.
2. Automatic backwashing can be realized through its own retrieval and emergency functions, and unstable water quality fluctuation can be dealt with without manual operation.
C. The automatic self-cleaning filter control system is sensitive in response and accurate in operation, and can be adjusted according to different water sources and filtration accuracy. 4. The cleaning is efficient and thorough, and the system is highly recoverable. The filter can be used for life without replacement.
5, automatic self-cleaning filter backwashing does not interrupt normal water production, continuous operation, stability and reliability.
D, the backwashing time is short, and the backwashing water consumption is only 0.00 1 ~ 0.002% of the normal water production, saving water, electricity and energy.
7. The invention has compact and reasonable structural design, small occupied area and flexible and convenient installation and movement.
E, few wearing parts of the equipment, no consumables, low operation and maintenance costs and simple operation and management.
9. The automatic self-cleaning filter has a wide range of applications and can be applied to different raw water quality and water requirements.
Technical innovation of automatic self-cleaning filter
1 self-cleaning filter adopts 3 16L stainless steel sintered filter screen for the first time, which has high strength, high precision and corrosion resistance.
2. The automatic self-cleaning filter of Beijing Luolun Filter Equipment Technology Co., Ltd. adopts the patented internal mechanical structure and realizes the real high-pressure backwashing function. The combination of external high-pressure backwashing of the filter screen and internal self-suction sewage discharge can easily and thoroughly remove impurities intercepted by the filter screen, with no dead angle, no flux attenuation, ensuring filtration efficiency and long service life.
3. The differential pressure signal of automatic self-cleaning filter cleaning is transmitted by differential pressure transmitter, which overcomes the shortcoming of large error of differential pressure switch.
The transmission device is built-in, sealed, isolated from the overcurrent parts, and designed with tripping protection function to prevent the motor or body parts.
5. The sewage outlet of the automatic self-cleaning filter depends on hydraulic seal, which is simple and practical, and does not need electromagnetic valves or other fragile seals.
6. The inlet and outlet flanges are designed as movable structure, and the direction of screw holes can be adjusted at will, which is convenient for on-site installation.
The automatic self-cleaning filter adopts special non-toxic and anti-corrosive materials, which has good weather resistance, acid and alkali resistance and salt resistance.
8. The electrical system of automatic self-cleaning filter adopts integrated control mode, which can realize remote control.
Main characteristics of automatic self-cleaning filter
1, the original integrated processing technology of filter shell for automatic self-cleaning filter, to avoid all kinds of dripping caused by welding of steel filter shell; High-strength ductile iron material has excellent corrosion resistance, which prolongs the service life of products;
2. Full-automatic self-cleaning filter core exclusive filter core design and manufacturing technology, high-precision filter core will never wear;
3. The automatic self-cleaning filter is reliably and intelligently controlled, and the filtration, cleaning and sewage discharge are automatically operated to realize unattended operation.
4. The automatic self-cleaning filter dominates the design of product structure and function, with compact structure, large filtering area, high pollution capacity and low cost.
5. Optimal control mode design of automatic self-cleaning filter, short backwashing time, less water consumption for sewage discharge, and saving water resources;
6. The product line of automatic self-cleaning filter covers all flow and precision ranges, and has various structural forms to adapt to the complex working conditions of users;
7. The parameters of the automatic self-cleaning filter can be adjusted according to the actual working conditions. Beijing luolun filtration equipment technology co., ltd has the advantages of simple operation, maintenance-free and long service life.
Working principle of automatic self-cleaning filter cleaning;
1, automatic self-cleaning filter cleans and backwashs sewage regularly.
Regular cleaning and sewage discharge can be set for 2-24 hours. Beijing luolun filtration equipment technology co., ltd, the time is up. The electric actuator opens the drain valve and the filter discharges sewage for 30-60 seconds. Then the electric actuator rotates the steering butterfly valve by 90 degrees to block the position of the filter cartridge, change the water flow path, and backwash the sewage for 30-60 seconds. Reset the steering butterfly valve, continue to discharge sewage for 3-5 seconds, and then close the sewage outlet.
2, differential pressure control sewage
The action value of the differential pressure controller can be set to 0.03-0.07MPa. When the differential pressure before and after the filter reaches the set value of the differential pressure controller, the differential pressure controller will act. Beijing Luolun Filter Equipment Technology Co., Ltd. will open the filter drain valve, which will end after 30-60 seconds, reset the steering butterfly valve, continue to drain for 3-5 seconds, and close the drain valve.
3. Manual control Through the buttons on the control box, cleaning and sewage discharge can be directly controlled.
Characteristics of pipeline filter:
The pipeline filter is filtered by multiple filter cartridges, with large effective filtering area and small pressure loss. The designed filtration area is 3 ~ 5 times of the import and export area.
B Convenient maintenance of pipeline filter: manhole is set to facilitate loading and unloading of filter cartridge and backwashing of filter.
C the pipeline filter adopts the structure of filtering with multiple filter cartridges and cleaning one by one, with uninterrupted water supply during cleaning.
D. Program control of pipeline filter: various parameters of the system can be set according to the actual situation of users.
E. Advanced control system of pipeline filter: The control system has high precision, and the working mode and running state can be adjusted according to different water quality to improve the adaptability to water quality.
F. Convenient control mode of pipeline filter: pressure difference/time can be controlled simultaneously or independently, and can be selected arbitrarily according to actual working conditions and requirements, and automatically operated; At the same time, manual/automatic transfer switch is set, which can preset control mode and pneumatic interlock.
G. The pipeline filter is equipped with local control, and a remote control changeover switch can be set when necessary to realize local operation and remote control operation.
H the pipeline filter has the functions of running status output and fault alarm output, so as to ensure that the equipment can be used under safe and reliable conditions.
Function of pipeline filter