CN217490004U - Backwashing water treatment equipment and water treatment system - Google Patents

Abstract

The utility model is suitable for the field of water treatment and provides a back-flushing water treatment device and a water treatment system, wherein the back-flushing water treatment device comprises a container, a filter element, a liquid inlet pipe, a sewage discharge mechanism, a liquid pump and a container; the filter element is arranged in the container, and the surface of the filter element is provided with a plurality of filter holes; the liquid inlet pipe is used for guiding water to be treated into the container, and a liquid inlet valve is arranged on a liquid supply pipeline of the liquid inlet pipe; the sewage discharge mechanism is used for discharging the treated waste materials out of the container; the liquid pump is used for pumping the treated water in the container, the liquid pump is connected with the water pumping pipe, and the lower end of the water pumping pipe is positioned in the filter element; the device is characterized by also comprising a backwashing device for impacting the filter holes through fluid, wherein the backwashing device comprises a pressurizing device, a backwashing pipeline and a spray head, and the pressurizing device is connected with a fluid inlet end of the backwashing pipeline; the fluid ejection end of the backwashing pipeline is positioned in the filter element, and the fluid ejection end is connected with the spray head; the device has high automation degree, high water treatment efficiency and excellent self-cleaning capability.

Description

Backwashing water treatment equipment and water treatment system

Technical Field

The utility model relates to a water treatment field, concretely relates to backwash type water treatment facilities and water treatment system.

Background

The existing water treatment equipment and system generally adopt one-stage or multi-stage sedimentation tanks and have the following defects:

(1) the occupied area is large;

the sedimentation tank requires a large area and a large engineering quantity;

(2) the process is extensive and the efficiency is low;

manual management is adopted, and the problems of water inlet, chemical dosing, water drainage, waste discharge and the like are specifically managed, so that the operation is complex, extensive management is adopted, and sewage or purified water treatment cannot be finely performed;

(3) high cost

The equipment cost is high, and the cost of labor is high, and the investment is big, inconvenient removal, the flexibility is relatively poor.

(4) High failure rate

The filter element which plays a major role in cleaning lacks sufficient self-cleaning ability, and dirt easily blocks the filter pores on the surface of the filter element in the water treatment process, resulting in equipment failure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a backwash type water treatment equipment and water treatment system, this backwash type water treatment equipment degree of automation is high, and water treatment efficiency is high, has outstanding automatically cleaning ability.

In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:

a back-flushing type water treatment device comprises a container, a filter element, a liquid inlet pipe, a sewage discharging mechanism and a liquid pump;

the container is used for containing sewage;

the filter element is arranged in the container, and the surface of the filter element is provided with a plurality of filter holes;

the liquid inlet pipe is used for guiding water to be treated into the container, and a liquid inlet valve is arranged on a liquid supply pipeline of the liquid inlet pipe;

the blowdown mechanism is used for discharging the treated waste materials out of the container, and comprises a discharge pipe connected with the bottom of the container, and a blowdown valve is arranged on the discharge pipe;

the liquid pump is used for pumping the treated water in the container, the liquid pump is connected with a water pumping pipe, and the lower end of the water pumping pipe is positioned at the bottom in the filter element;

the backwashing device comprises a pressurizing device, a backwashing pipeline and a spray head, wherein the pressurizing device is connected with a fluid inlet end of the backwashing pipeline; the fluid ejection end of the backwashing pipeline is positioned in the filter element and is connected with the spray head; the fluid can be liquid or gas, and the shower nozzle blowout fluid strikes the inner wall of filter core, makes the impurity of blockking up the filtration pore blown away to clean the filter core.

Further, the water treatment device comprises a dosing mechanism, wherein the dosing mechanism is used for throwing the water treatment medicament into the container; because the medicament is thrown into water to generate floccules which easily block the filter holes, the water treatment equipment provided with the dosing mechanism needs to be provided with a back flushing device to prevent the filter holes from being blocked.

Furthermore, the filter element is a rotary filter element with a rotating shaft, a supporting platform is arranged above the opening of the container, a bearing is arranged on the supporting platform, and the rotating shaft is inserted in the bearing and is in transmission connection with a rotating shaft of the motor; the motor is used for driving the filter element to rotate.

Furthermore, the filter also comprises an electric control lifting driving mechanism for driving the filter element to lift; the electric control lifting driving mechanism is connected with the supporting platform and drives the supporting platform to lift; the movement direction of the electric control lifting driving mechanism is the same as the axial direction of the filter element; the dosing mechanism needs to be arranged in a container with an electric control lifting driving mechanism, and because the medicament can generate flocculation reaction after being put into water, the filter element is preferably lifted above the container temporarily to prevent floccules from entering the filter element, and the filter element is lowered after the medicament completely reacts, so the electric control lifting driving mechanism needs to drive the filter element to lift.

Further, one section of the backwashing pipeline is fixedly arranged below the supporting platform; along with the lifting of the supporting platform, the back flushing pipeline drives the spray head and the filter element to lift synchronously; the backwashing pipeline comprises a section of hose and a section of hard pipe, a hose part is arranged between the pressurizing device and the supporting platform, and a hard pipe part is arranged between the supporting platform and the spray head.

Furthermore, the spray head is a rocker arm type spray head which can lead the spray nozzle to swing up and down; the nozzle luffing motion is in order to assault the filtration pore homoenergetic of filter core upper and lower side, and actuating mechanism drives the filter core rotation simultaneously, and double-phase cooperation makes the shower nozzle can wash all positions of filter core inner wall.

Further, the boosting device is a gas-liquid type booster pump or an air type booster pump; when the fluid is water, the pressurising means is connected to a tank for providing flushing liquid through a flushing pipe.

Furthermore, the number of the spray heads is at least two, and the plurality of spray heads are arranged around the outer side of the filter element in a circumferential equal distribution mode.

Furthermore, the rotating shaft is a hollow rotating shaft, and the water pumping pipe is located in a through hole of the rotating shaft.

A water treatment system comprising:

the preceding stage water treatment equipment is used for carrying out primary treatment on sewage;

a back-washing water treatment facility as a subsequent stage, which is the above-described back-washing water treatment facility;

and a drainage pump for pumping out the water treated in the preceding water treatment facility and guiding the water into a container of the back-flushing water treatment facility.

The utility model has the advantages that:

1. a rotary filter element is adopted, and a back washing device is arranged, so that the filter element has a self-cleaning function;

by utilizing the centrifugal force when the filter element rotates and the impact force of the jet fluid on the blocked part of the filter hole, the impurities blocking the filter hole are blown away on the premise of not hindering the rotation of the filter element, and the self-cleaning effect is achieved.

2. Can wash the interior of the filter element in all aspects without dead angles

The spray head is a rocker arm type spray head which can lead the spray nozzle to swing up and down; the nozzle luffing motion is in order to assault the filtration pore homoenergetic of filter core upper and lower side, and actuating mechanism drives the filter core rotation simultaneously, and double-phase cooperation makes the shower nozzle can wash all positions of filter core inner wall.

3. The modular structure is easy to cascade;

4. the structure is compact and the structure is integrated; the movement is convenient;

when the container is a barrel body, the bottom of the container can be provided with support legs so as to be convenient to move.

5. The ground surface space is not occupied, and the manufacturing and installation cost is low;

the container is arranged as a sedimentation tank, and the device is integrally buried underground at the moment, so that the purposes of attractiveness and no occupation of ground surface space are achieved; on one hand, the cost for manufacturing the outer barrel again is saved; on the other hand, the transportation cost and the installation cost of the device are reduced.

6. The sealing performance can be good, and secondary pollution is avoided;

by adopting the device, the waste water can not be exposed outside, and the secondary pollution is avoided.

In conclusion, the backwashing water treatment equipment has the advantages of high automation degree, capability of realizing fine treatment of wastewater or water to be purified, easiness in implementation, compact structure and convenience in flexible movement and combination, is a great improvement on the conventional water treatment equipment, and has huge social benefit and economic benefit.

Drawings

FIG. 1 is a schematic view (front view) of a backwash water treatment apparatus with a filter element at the lowermost end;

FIG. 2 is a schematic view (side view) of a backwash water treatment apparatus with the filter element at the lowermost end;

FIG. 3 is a schematic view of a portion of the backwash assembly;

FIG. 4 is a schematic view (front view) of a back-flushing water treatment apparatus with the cartridge uppermost;

FIG. 5 is a schematic illustration (front view) of the administration mechanism;

fig. 6 is a schematic structural view (side view) of the administration mechanism;

fig. 7 is a sectional view taken along line a-a in fig. 6.

Description of reference numerals: 1. a flow sensor; 2. a liquid pump; 3. a water pumping pipe; 4. a liquid level sensor; 5. a liquid inlet pipe; 6. a rotating shaft; 7. a filter element; 8. a container; 9. a magnetic levitation reverse water collector; 10. a support leg; 11. a blowoff valve; 12. a discharge pipe; 13. a motor; 14. a driving gear; 15. a driven gear; 16. a bearing; 17. an electric control lifting driving mechanism; 18. a support platform; 19. a support;

30. a backwashing device; 31. back flushing the pipeline; 32. a hose; 33. a hard tube; 34. a spray head;

252. a liquid medicine pump; 256. a liquid medicine barrel; 265. an oblique feeding channel; 267. a hopper; 269. a recessed portion; 276. a blanking roller; 277. a roller rotating shaft; 281. a blanking driving motor; 283. a support frame; 284. a support leg; 285. a liquid medicine stirring motor; 286. roller mounting panel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention.

Back flushing type water treatment equipment

As shown in fig. 1 to 4, a back-flushing water treatment apparatus includes a container 8; a rotary filter element 7 with a rotating shaft 6 is arranged in the container 8, and a plurality of filter holes are formed in the surface of the filter element 7;

a supporting platform 18 is arranged on the container 8, a bearing 16 is arranged on the supporting platform 18, and the rotating shaft 6 is inserted in the bearing 16 and connected with a driving mechanism; the driving mechanism is used for driving the filter element 7 to rotate;

the device also comprises a liquid inlet pipe 5 for leading water to be treated into the container 8, and a liquid inlet valve is arranged on a liquid supply pipeline of the liquid inlet pipe 5;

the waste treatment device also comprises a sewage discharging mechanism for discharging the treated waste out of the container 8, wherein the sewage discharging mechanism comprises a discharging pipe connected with the bottom of the container, and a sewage discharging valve is arranged on the discharging pipe;

the device also comprises a liquid pump 2 for pumping the treated water in a container 8, wherein the liquid pump 2 is connected with a water pumping pipe 3, and the lower end of the water pumping pipe 3 is positioned at the bottom in the filter element 7;

the device also comprises a backwashing device 30 for blocking the filter holes through fluid impact, wherein the backwashing device 30 comprises a pressurizing device (not shown in the figure), and the pressurizing device is connected with a backwashing pipeline 31; the lower end of the back washing pipeline 31 is positioned in the filter element 7 and is provided with a spray head 34; the fluid may be liquid or gas, and the spray head 34 blows away impurities blocking the filter holes through fluid impact to clean the filter element.

Further, the water treatment device further comprises a dosing mechanism for dosing the water treatment agent into the container 8; the water treatment agent is at least one of a flocculating agent or a coagulant; because the medicament is thrown into water to generate floccules which easily block the filter holes, the water treatment equipment provided with the dosing mechanism needs to be provided with a back washing device 30 to prevent the filter holes from being blocked.

Further, the filter further comprises an electric control lifting driving mechanism 17 for driving the filter element to lift; the electric control lifting driving mechanism 17 is connected with the supporting platform 18 and drives the supporting platform 18 to lift; the movement direction of the electric control lifting driving mechanism 17 is the same as the axial direction of the filter element; the dosing mechanism is required to be disposed in a container having an electrically controlled elevating driving mechanism 17, and since the medicament is put into water and then flocculation reaction occurs, the filter element is preferably temporarily raised above the container to prevent floccules from entering the filter element, and then the filter element is lowered after the medicament is completely reacted, so that the electrically controlled elevating driving mechanism 17 is required to drive the filter element to elevate.

Further, a section of the back-flushing pipeline 31 is fixedly arranged below the supporting platform 18; as the support platform 18 is lifted, the backwashing pipeline 31 drives the spray head 34 to lift synchronously with the filter element; the back flushing pipeline comprises a section of hose 32 and a section of hard pipe 33, a hose 32 part is arranged between the pressurizing device and the supporting platform 18, and a hard pipe 33 part is arranged between the supporting platform 18 and the spray head 34.

Further, the head 34 is a swing arm type head capable of swinging a nozzle up and down; the nozzle luffing motion is in order to assault the filtration pore homoenergetic of filter core upper and lower side, and actuating mechanism drives the filter core rotation simultaneously, and double-phase cooperation makes the shower nozzle can wash all positions of filter core inner wall.

Further, the boosting device is a gas-liquid type booster pump or an air type booster pump; when the fluid is water, the pressurising means is connected to a tank for providing flushing liquid through a flushing pipe.

In some embodiments, the container is a sedimentation tank 21; when the container is a sedimentation tank 21, the device is buried underground, so that the purposes of attractive appearance and no occupation of ground surface space are achieved; on one hand, the cost for manufacturing the outer barrel again is saved; on the other hand, the transportation cost and the installation cost of the device are reduced.

In some embodiments, the container is an outer tub; the container is mounted on a stand 19, which stand 19 comprises a frame and a plurality of legs 10 supporting the frame.

Further, the rotating shaft 6 is a hollow rotating shaft, and the water pumping pipe 3 is located in a through hole of the rotating shaft 6.

The water treatment equipment also comprises a control module, and the control module is used for controlling the actions of the electric control lifting driving mechanism, the liquid inlet valve, the liquid pump 2 and the discharge valve; the control module can be a relay control module or a control module based on an MCU (microprogrammed control Unit), wherein the MCU is a singlechip, a PLC (programmable logic controller), an ARM (advanced RISC machine) processor or a DSP (digital signal processor).

The number of the electric control lifting driving mechanisms is at least 2; the static part of the electric control lifting driving mechanism is fixed on the container or the external bracket. The structure is compact, the whole equipment forms integrated equipment, and the electric control lifting driving mechanism comprises a static part and a moving part; when the device is operated, the static part does not operate, and the moving part extends and retracts.

The liquid inlet pipe 5 is an annular liquid inlet pipe, the pipe wall of the liquid inlet pipe 5 is provided with a plurality of water outlet holes 52, and the annular liquid inlet pipe is positioned at the opening of the container and is fixed on the inner wall of the container; the diameter of the annular liquid inlet pipe is larger than the outer diameter of the filter element.

The liquid inlet pipe is fixed on the container; the diameter of the inner ring of the annular pipe is larger than the outer diameter of the filter element; the filter element can be ensured to be lifted on the annular pipe, so that the water outlet of the annular pipe can clean the outer wall of the filter element;

the inner wall of the container is provided with a liquid level detection module; the liquid level detection module can directly adopt level sensor 4, or adopt other sensors conversion to the liquid level, if adopt the flowmeter of inlet tube department, through the cross-sectional area of flow and container, convert to the liquid level, also can convert to the liquid level through the hydraulic data that pressure sensor gathered, because the pressure of liquid bottom is directly proportional with the liquid level, level sensor 4 is preferred to the liquid level detection module, and level sensor 4 links to each other with the controller. The number of the liquid level sensors is preferably 2, one liquid level sensor is arranged at the higher end of the container and used for detecting the highest water level, and the other liquid level sensor is arranged at the lower end of the container and used for detecting the lowest water level;

the water outlet pipe is provided with a flow sensor 1 which is connected with a controller.

The bottom of filter core is equipped with anti-water collector 9 of magnetic suspension, and the anti-water collector 9 of magnetic suspension is located the outside of filter core. When water exists, the magnetic levitation reverse water collector 9 closes the pipeline of the magnetic levitation reverse water collector under the action of buoyancy, and when no water exists, the channel is opened, and impurities are discharged from the pipe opening.

(II) an intelligent water treatment system

A water treatment system comprising:

the preceding stage water treatment equipment is used for carrying out primary treatment on sewage;

a back-washing water treatment facility as a subsequent stage, which is the above-described back-washing water treatment facility;

and a drainage pump for pumping out the water treated in the preceding stage water treatment equipment and guiding the water into a container of the back flushing type water treatment equipment.

(III) dosing mechanism

As shown in fig. 5-7, the drug administration mechanism is a rotary roller type quantitative drug administration device, which comprises a rotary roller type quantitative drug administration device and a drug solution barrel 256; the rotary roller type quantitative dosing device is positioned above the liquid medicine barrel 256, and a discharge port of the rotary roller type quantitative dosing device is in butt joint with a feed port on the liquid medicine barrel 256; the liquid medicine barrel is provided with a liquid medicine stirring mechanism for stirring liquid medicine; the liquid medicine mechanism comprises a stirring shaft and a stirring blade in the liquid medicine barrel and a liquid medicine stirring motor 285 arranged on the liquid medicine barrel; the lower end of the stirring shaft is connected with a stirring blade, and the stirring shaft is connected with a rotating shaft of a liquid medicine stirring motor; the stirring shaft is vertically arranged, which is the prior art; the rotary roller type quantitative dosing device comprises a hopper 267, a blanking roller 276, a support frame 283 and a blanking channel; the blanking roller is driven by a blanking driving motor 281; the blanking roller is arranged below the feed opening of the hopper, and the roller surface of the blanking roller is in contact with the feed opening; the blanking roller is arranged on a roller mounting plate 286 extending out of the lower part of the hopper, or the blanking roller is arranged on the support frame; the roller surface of the blanking roller is provided with at least one concave part 269; when the blanking roller does not rotate, the blanking roller can seal a blanking port at the lower end of the hopper to prevent the material in the hopper from leaking; when the blanking roller rotates, the concave part 269 can prevent the materials in the hopper from being taken out, and the materials are output to the container through the feeding channel, and the outlet of the feeding channel is the discharge hole; the lower end of the support frame is provided with 4 legs 284; the liquid medicine barrel is arranged in a space surrounded by the plurality of supporting legs; a liquid medicine pump 252 is arranged on the supporting frame, and a liquid inlet pipe of the liquid medicine pump is inserted into the liquid medicine barrel; the feeding channel is an inclined feeding channel 265, and the inclined feeding channel enables the materials to smoothly enter, namely slides into the liquid medicine barrel; the plurality of concave parts 269 are arranged at equal intervals along the circumferential direction of the blanking roller; the blanking driving motor is driven by a frequency converter, the speed can be adjusted, the adjustment of the dosing amount in unit time is realized, and the frequency can be manually adjusted by the frequency converter or controlled by an MCU (microprogrammed control Unit); the frequency converter is controlled by the MCU; the blanking driving motor is controlled by the MCU, and a position detection sensor is arranged on the blanking roller; the position detection sensor is a Hall sensor, a coded disc or a photoelectric switch, the liquid medicine pump is controlled by an MCU (microprogrammed control unit), and the MCU is connected with a communication module, so that remote monitoring is facilitated; the liquid outlet pipe container of the liquid medicine pump is internally connected, so that the solution in the liquid medicine barrel is pumped into the container.

The rotary roller type quantitative feeding device is arranged in the water treatment system and is used as a part of the water treatment system and used for feeding a water treatment agent into the container.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims (10)

1. A back-flushing type water treatment device comprises a container (8), a filter element (7), a liquid inlet pipe (5), a sewage discharging mechanism and a liquid pump (2);

the container (8) is used for containing sewage;

the filter element (7) is positioned in the container, and the surface of the filter element is provided with a plurality of filter holes;

the liquid inlet pipe (5) is used for guiding water to be treated into the container (8), and a liquid inlet valve is arranged on a liquid supply pipeline of the liquid inlet pipe (5);

the sewage discharge mechanism is used for discharging the treated waste materials out of the container (8);

the liquid pump (2) is used for pumping the treated water in the container (8), the liquid pump (2) is connected with a water pumping pipe (3), and the lower end of the water pumping pipe (3) is positioned in the filter element (7);

the device is characterized by also comprising a back washing device (30) for impacting the filter holes through fluid, wherein the back washing device (30) comprises a pressurizing device, a back washing pipeline and a spray head, and the pressurizing device is connected with a fluid inlet end of the back washing pipeline (31); and the fluid ejection end of the backwashing pipeline (31) is positioned in the filter element, and is connected with the spray head (34).

2. A backwash type water treatment apparatus as claimed in claim 1 further comprising an administration mechanism for administering a water treatment agent into the vessel.

3. A backwash type water treatment device according to claim 1, wherein the filter element is a rotary filter element (7) with a rotary shaft (6), a support platform (18) is arranged above the opening of the container (8), a bearing (16) is arranged on the support platform (18), and the rotary shaft (6) is inserted in the bearing (16) and is in transmission connection with the rotary shaft of the motor.

4. A backwash type water treatment apparatus as claimed in claim 3, further comprising an electrically controlled elevating drive mechanism (17) for driving the filter element (7) to elevate; the electric control lifting driving mechanism (17) is connected with the supporting platform (18) and drives the supporting platform (18) to lift; the movement direction of the electric control lifting driving mechanism (17) is the same as the axial direction of the filter element (7).

5. A backwash water treatment apparatus as claimed in claim 3, wherein a section of the backwash conduit (31) is fixedly mounted below the support platform (18).

6. A backwash water treatment apparatus as claimed in claim 1 wherein the spray head (34) is a rocker arm spray head.

7. A backwash water treatment apparatus as claimed in claim 1 wherein the pressure boosting means is a gas-liquid type booster pump or an air type booster pump.

8. A backwash type water treatment apparatus as claimed in claim 1 wherein there are at least two of said nozzles and a plurality of said nozzles are equally spaced circumferentially around the outside of the filter element.

9. A backwash type water treatment apparatus as claimed in claim 3, wherein said shaft (6) is a hollow shaft and the suction tube (3) is located in a through hole of the shaft.

10. A water treatment system, comprising:

the preceding stage water treatment equipment is used for carrying out primary treatment on sewage;

a back-flush water treatment apparatus as a subsequent stage, which is the back-flush water treatment apparatus according to any one of claims 1 to 9;

and a drainage pump for pumping out the water treated in the preceding stage water treatment equipment and guiding the water into a container of the back flushing type water treatment equipment.

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