SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic back flush filter of water intaking system, it casing sets up the drain under the filter, evacuation mouth and outlet, can separate impurity and water, the blowdown is convenient, and the filter element who adopts is six cartridge filters, the filter action of every cartridge filter of make full use of, make the filter effect better, and casing installation manometer and differential pressure sensor on the filter, through detecting pressure, control water pump's water supply, make the water pump produce suction to the blowoff hole, make to produce the recoil flowing water in the filter, wash the impurity in the cartridge filter, then get into the dirt collecting cylinder through the blowoff hole frame, avoid the cartridge filter to block up, need not to dismantle the clearance, be favorable to the operation of equipment.
In order to achieve the above object, an embodiment of the present invention provides an automatic back-flushing filter of a water intake system, comprising a lower filter housing, wherein a water outlet is provided at the left side of the lower filter housing, a dirt holding cylinder is provided at the lower end of the lower filter housing, a dirt discharge hole rack is provided at the bottom of the lower filter housing, a circular groove is provided in the dirt discharge hole rack, a filter cartridge is inserted in the circular groove, an upper filter housing is mounted at the upper end of the lower filter housing through a bolt, an upper maintenance opening is provided at the outer side of the upper filter housing, a water inlet is provided at the outer side of the upper filter housing, a motor rack is mounted at the upper end of the upper filter housing through a bolt, a motor is mounted at the upper end of the motor rack through a bolt, a rotating shaft is provided at the, and the upper end of the lower shell of the filter is provided with a filter cartridge mounting disc through a bolt. It sets up the drain under the filter casing, evacuation mouth and outlet, can separate impurity and water, the blowdown is convenient, and the filter element who adopts is six cartridge filters, the filter action of make full use of every cartridge filter, make the filter effect better, and casing installation manometer and differential pressure sensor on the filter, through detecting pressure, the water supply of control water pump, make the water pump produce suction to the blowoff hole, make produce the recoil flowing water in the filter, wash the impurity in the cartridge filter, then get into the dirt receiving cylinder through the blowoff pore frame, avoid the cartridge filter to block up, need not to dismantle the clearance, be favorable to the operation of equipment.
Further, the right side of a sewage holding cylinder is provided with a drain outlet, the drain outlet is connected with a water pump, the lower end of the sewage holding cylinder is provided with an evacuation port, the drain outlet is used for online sewage discharge, the evacuation port is used for thoroughly removing impurities, and the operation of equipment needs to be interrupted.
Further, the circular groove is arranged on the sewage hole frame in an annular array mode, the sewage groove is arranged in the sewage hole frame and communicated with the circular groove, solid-phase impurities filtered by the filter cartridge can be left in the circular groove and then enter the sewage hole through the sewage groove and the through groove, and the impurities are discharged into the sewage containing cylinder.
Further, the outside of casing is provided with from arranging and floats the mouth on the filter, install the manometer in the filter upper casing, the manometer passes through the pipe connection pressure difference controller, and the manometer is arranged in detecting the pressure in the casing on the filter, and when pressure exceeded the settlement pressure of pressure difference controller, the connection water pump of pressure difference controller control drain, with the impurity suction in the dirt intake section of thick bamboo, the defeated water master pump of simultaneous control interrupt water delivery for the internal backwash liquid that produces under the filter casing, down the impurity of cartridge filter inner wall, avoid impurity attached to the internal surface of cartridge filter.
Further, the cartridge filter is porous hollow out construction, and is made by stainless steel material, the outside of casing is provided with down the maintenance mouth under the filter, and the cartridge filter can filter solid phase impurity, and the maintenance mouth can be opened down and overhauls the internal part of casing under the filter.
Further, the bottom of pivot is provided with the blowoff hole, the side of blowoff hole is provided with logical groove, the left side intercommunication that leads to the groove has the blowdown groove, and the solid phase impurity after the cartridge filter filters can stay in the circular recess, then gets into the blowoff hole through blowdown groove and logical groove, discharges impurity into in the soil accommodating cylinder.
Further, the cartridge filter mounting disc is provided with a cartridge filter through a bolt, the center of the cartridge filter mounting disc is rotatably sleeved with a rotating shaft, and the rotating shaft can rotate in the middle of the mounting disc.
To sum up, the utility model has the advantages of it is following:
1. this scheme casing sets up the drain under the filter, evacuation mouth and outlet, can separate impurity and water, the blowdown is convenient, and the filter element who adopts is six cartridge filters, the filter action of every cartridge filter of make full use of, make the filter effect better, and casing installation manometer and differential pressure sensor on the filter, through detecting pressure, the water supply of control water pump, make the water pump produce suction to the blowhole, make produce the recoil flowing water in the filter, wash the impurity in the cartridge filter, then get into the dirt receiving cylinder through the blowhole frame, avoid the cartridge filter to block up, need not to dismantle the clearance, be favorable to the operation of equipment.
2. The right side of a sewage holding cylinder is provided with a sewage draining port, the sewage draining port is connected with a water pump, the lower end of the sewage holding cylinder is provided with an emptying port, the sewage draining port is used for online sewage draining, the emptying port is used for thoroughly removing impurities, and the operation of equipment needs to be interrupted.
3. The circular groove is the annular array and arranges on the blowdown hole frame, is provided with the blowdown groove in the blowdown hole frame, and the blowdown groove communicates with the circular groove, and the solid phase impurity after the cartridge filter filters can stay in the circular groove, then gets into the blowdown hole through blowdown groove and logical groove, discharges impurity into in the soil holding cylinder.
4. The outside of casing is provided with from arranging and floats the mouth on the filter, install the manometer in the filter upper casing, the manometer passes through pipe connection pressure difference controller, the manometer is arranged in detecting the pressure in the casing on the filter, when pressure surpassed the settlement pressure of pressure difference controller, the connection water pump of pressure difference controller control drain, impurity suction in the pollutant receiving cylinder, the water delivery is interrupted to the simultaneous control water delivery master pump, make the internal backwash liquid that produces under the filter casing, wash down the impurity of cartridge filter inner wall, avoid impurity attached to the internal surface of cartridge filter.
5. The cartridge filter is porous hollow out construction, and is made by stainless steel material, and the outside of casing is provided with down the maintenance mouth under the filter, and the cartridge filter can filter solid phase impurity, and the maintenance mouth can be opened down and overhaul the internal part of casing under the filter.
6. The bottom of pivot is provided with the blowoff hole, and the side of blowoff hole is provided with logical groove, and the left side intercommunication that leads to the groove has the blowoff groove, and the solid phase impurity after the cartridge filter filters can stay in the circular recess, then gets into the blowoff hole through the blowoff groove with leading to the groove, with impurity discharge in holding a dirty section of thick bamboo.
7. The cartridge filter mounting disc is provided with a cartridge filter through a bolt, the center of the cartridge filter mounting disc is rotatably sleeved with a rotating shaft, and the rotating shaft can rotate in the middle of the mounting disc.
Example 1:
referring to fig. 1-5, an automatic backwashing filter of a water taking system comprises a lower filter shell 1, referring to fig. 1-5, a water outlet 2 is arranged at the left side of the lower filter shell 1, a dirt holding cylinder 3 is arranged at the lower end of the lower filter shell 1, a dirt discharge hole frame 6 is arranged at the bottom of the lower filter shell 1, a circular groove 61 is arranged in the dirt discharge hole frame 6, a filter cartridge 63 is inserted in the circular groove 61, an upper filter shell 8 is arranged at the upper end of the lower filter shell 1 through bolts, an upper maintenance opening 9 is arranged at the outer side of the upper filter shell 8, the upper maintenance opening 9 is opened, the components in the upper filter shell 8 can be overhauled, a water inlet 10 is arranged at the outer side of the upper filter shell 8, water to be filtered is input into the upper filter shell 8 through the water inlet 10, a motor frame 14, the motor 15 is installed through the bolt in the upper end of motor frame 14, and the model of motor 15 is YE2, and motor 15 passes through the wire to be connected with differential pressure controller 13, and the lower extreme of motor 15 is provided with pivot 16, and pivot 16 rotates with blowdown hole frame 6 and cup joints, and the cartridge filter mounting disc 19 is installed through the bolt in the upper end of casing 1 under the filter.
Referring to fig. 1 and 5, a sewage draining port 4 is arranged on the right side of the sewage containing cylinder 3, the sewage draining port 4 is connected with a water pump, a drain opening 5 is arranged at the lower end of the sewage containing cylinder 3, the sewage draining port 4 is used for online sewage draining, and the drain opening 5 is used for thoroughly removing impurities and performing operation after the operation of equipment needs to be interrupted. Circular recess 61 is the annular array on blowdown hole frame 6 and arranges, is provided with blowdown groove 62 in the blowdown hole frame 6, blowdown groove 62 and circular recess 61 intercommunication, and the solid phase impurity after the cartridge filter 63 filters can be stayed in circular recess 61, then gets into blowdown hole 17 through blowdown groove 62 and logical groove 18, emits into with impurity in the soil receiving barrel 3.
Referring to fig. 1, a self-draining float opening 11 is arranged on the outer side of an upper shell 8 of the filter, a pressure gauge 12 is installed in the upper shell 8 of the filter, the pressure gauge 12 is connected with a pressure difference controller 13 through a pipeline, the pressure gauge 12 is used for detecting the pressure in the upper shell 8 of the filter, when the pressure exceeds the set pressure of the pressure difference controller 13, the pressure difference controller 13 controls a connection water pump of a drain outlet 4 to suck out impurities in a sewage containing cylinder 3 and simultaneously controls a water delivery master pump to interrupt water delivery, so that backwash liquid is generated in a lower shell 1 of the filter, the impurities on the inner wall of a filter cylinder 63 are flushed down, and the impurities are prevented from being attached to the inner surface. The cartridge filter 63 is porous hollow out construction, and is made by stainless steel material, and the outside of casing 1 is provided with maintenance mouth 7 down under the filter, and cartridge filter 63 can filter solid phase impurity, and maintenance mouth 7 can be opened and overhaul the part in the casing 1 under the filter.
Referring to fig. 3-4, a sewage discharge hole 17 is formed at the bottom of the rotating shaft 16, a through groove 18 is formed at the side surface of the sewage discharge hole 17, a sewage discharge groove 62 is communicated with the left side of the through groove 18, solid-phase impurities filtered by the filter cartridge 63 can be left in the circular groove 61, and then enter the sewage discharge hole 17 through the sewage discharge groove 62 and the through groove 18, so that the impurities are discharged into the sewage receiving cylinder 3. The filter cartridge mounting disc 19 is provided with a filter cartridge 63 through a bolt, the center of the filter cartridge mounting disc 19 is rotatably sleeved with the rotating shaft 16, and the rotating shaft 16 can rotate in the middle of the mounting disc 19.
When the equipment works, water flow is input into the upper shell 8 of the filter from the water inlet 10, then the water flow enters the six filter cartridges 63, the six filter cartridges 63 filter the water, so that solid-phase impurities are left in the filter cartridges 63, then the filtered water passes through the filter cartridges 63, enters the lower shell 1 of the filter, and is discharged through the water outlet 2, a sewage discharge pump is connected at the sewage discharge port 4 of the filter, in the process that the filter cartridges 63 filter the water, the impurities can be attached to the inner wall of the filter cartridges 63 to cause blockage, so that the pressure in the upper shell 8 of the filter is increased, the pressure gauge 12 detects the pressure, a signal is transmitted to the pressure difference controller 13, the pressure difference controller 13 controls the master pump to stop supplying water, the water pumps at the motor 15 and the sewage discharge port 4 are started at the same time, the water pump discharges the impurities in the sewage containing cylinder 3, negative pressure is generated in the sewage containing cylinder 3, and simultaneously the motor 15 drives, when leading to groove 18 and blowdown groove 62 intercommunication in the blowdown hole frame 6, under the negative pressure, water and impurity in the cartridge filter 63 are through circular recess 61, blowdown groove 62, lead to groove 18 and blowdown hole 17 and discharge into in the soil containing cylinder 3, then discharge through drain 4, can realize online blowdown, and because the negative pressure in the soil containing cylinder 3, produce the backwash liquid under the filter in the casing 1, water in the casing 1 carries out the backwash to the cartridge filter 63 under the filter, the impurity that will adhere to at the cartridge filter 63 inner wall is washed down, avoid impurity to block up the cartridge filter 63, edulcoration convenient and fast, need not to shut down and dismantle equipment and carry out the edulcoration, be favorable to the operation of equipment.
While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be considered as limited to the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.