CN220758111U - Backflushing device of float valve filter tank - Google Patents

Abstract

The utility model discloses a floating valve filter backflushing device which comprises a filter body, wherein a filter layer for filtering water is arranged in the filter body, a water filtering outlet is formed in the bottom of the filter body in a penetrating manner, a drainage pipeline is communicated with the filter body, a driving mechanism is arranged on the filter body, an air flushing mechanism is arranged on the driving mechanism, a water backflushing mechanism is arranged in the filter body, a water inlet pipe is communicated with the filter body, and a floating valve is arranged on the water inlet pipe, so that the purposes of saving water, saving energy and saving manpower are achieved, the filter layer is convenient to clean thoroughly, easy to control and convenient to maintain.

Description

Backflushing device of float valve filter tank

Technical Field

The utility model belongs to the technical field of filter backwashing, and relates to a floating valve filter backwashing device.

Background

After the filter is used for a certain period, the filter layer is subjected to periodic back flushing, and impurities and dirt in the filter layer are discharged by water, so that the filter layer is cleaned.

There are many types of float valves, including round valves, and also bar-shaped angle valves. The circular valve is mainly used in China, and the floating valve is fixed on the wall of the container at a required height and is connected with the supply pipeline. When the liquid level rises, the float rises and closes the valve by the lever arm. When the liquid level descends, the supply pipeline is opened, the medium flows in until reaching the respective liquid level height again, the liquid level height is automatically controlled, and the overflow of the liquid level out of the container is avoided.

The utility model patent of China with the application number of 202220726313.5 discloses an automatic back flushing device for a filter tank, which comprises a filter tank body, wherein the upper end of the filter tank body is penetrated and connected with a water inlet mechanism, the filter tank is integrally formed by a water drainage mechanism and a back flushing mechanism, the water drainage mechanism, the back flushing mechanism, the water inlet mechanism and the air inlet mechanism are all communicated with an electric cabinet through cables, when the filtering capacity of a filter layer in the filter tank body is reduced, along with the rising of the running water level in the filter tank body, a liquid level control floating ball outside a floating ball valve can be driven to stably move upwards, and when the liquid level floating ball rises to the uppermost end of the running liquid level, a circuit signal can be stably conducted and transmitted to the electric cabinet, at the moment, the signal of the water inlet mechanism and the back flushing mechanism is transmitted through the electric cabinet, the water inlet mechanism can be controlled to be stably closed and the back flushing mechanism is stably opened, so that the device can form automatic back flushing according to the internal filtering capacity and water quality change conditions of the filter tank body. However, the device only carries out gas backflushing and water backflushing on the filter layer from the bottom upwards, and the phenomenon of mud ball and caking on the filter material is difficult to completely eliminate by simple flushing.

Disclosure of Invention

Aiming at the problems, in order to overcome the defects of the prior art, the utility model provides a floating valve filter backflushing device, and the utility model aims at: the purposes of saving water, saving energy and saving manpower are achieved, the filter layer is convenient to clean thoroughly, the control is easy, and the maintenance is convenient.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the filter comprises a filter body, wherein a filter layer for filtering water is arranged in the filter body, a water filtering outlet is formed in the bottom of the filter body in a penetrating manner, a drainage pipeline is communicated with the filter body, a driving mechanism is arranged on the filter body, an air flushing mechanism is arranged on the driving mechanism, a water backflushing mechanism is arranged in the filter body, a water inlet pipe is communicated with the filter body, and a floating valve is arranged on the water inlet pipe.

Preferably, the driving mechanism comprises a traveling crane, a pneumatic cylinder is fixedly installed on the traveling crane, a supporting plate is fixed at the output end of the pneumatic cylinder, and the air flushing mechanism is installed on the supporting plate.

Preferably, the air flushing mechanism comprises an air flushing pipe frame, an air inlet pipe is fixed on the air flushing pipe frame, a plurality of air distribution pipes are fixed on the air flushing pipe frame, and each air distribution pipe is fixedly provided with a first pressure nozzle.

Preferably, the end part of the gas distribution pipe is in a truncated cone shape.

Preferably, the air flushing pipe frame is rotationally connected with two limiting blocks, and the air flushing pipe frame is arranged on the supporting plate through the limiting blocks.

Preferably, the water backflushing mechanism comprises a water pipe frame, a plurality of second pressure spray heads are communicated with the water pipe frame, and a water pipe penetrating through the filter body is fixed on the water pipe frame.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model can clean the filter layer more thoroughly through the mutual matching of the air flushing mechanism and the water recoil mechanism, and the driving mechanism drives the air flushing mechanism to move back and forth and up and down, thereby being more convenient for the disturbance of the air flushing mechanism on the filter layer and the shearing force formed by mutual collision and friction of filter materials, and peeling the sludge and sundries attached on the surface of the filter materials.

Drawings

Fig. 1 is a schematic front view of the structure of the present utility model.

Reference numerals: 1-filter body, 2-inlet tube, 3-float valve, 4-driving, 5-pneumatic cylinder, 6-backup pad, 7-air-flushing pipe support, 8-intake pipe, 9-gas-dividing pipe, 10-first pressure nozzle, 11-stopper, 12-pipe support, 13-water pipe, 14-second pressure nozzle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The following describes the embodiment of the present utility model in further detail with reference to fig. 1.

The filter comprises a filter body 1, wherein a filter layer for filtering water is arranged in the filter body 1, a water filtering outlet is formed in the bottom of the filter body 1 in a penetrating manner, a drainage pipeline is communicated with the filter body 1, a driving mechanism is arranged on the filter body 1 and positioned above the filter body 1, an air flushing mechanism is arranged on the driving mechanism, a water recoil mechanism is arranged in the filter body 1, a water inlet pipe 2 is communicated with the filter body 1, a float valve 3 is arranged on the water inlet pipe 2, the filtering speed of the water filtering layer on water is reduced, the water level in the filter body 1 rises, and a floating ball in the float valve 3 rises and closes the valve through a lever arm. When the liquid level descends, the supply pipeline is opened, the medium flows in until reaching the respective liquid level height again, the liquid level height is automatically controlled, the phenomenon that the liquid level is too high and overflows out of the container is avoided, the air flushing mechanism is inserted into the filter layer to perform air flushing and stir the filter layer to enable filter materials in the filter layer to collide and rub each other, the air outlet pressure of the air flushing mechanism is smaller than the air outlet pressure of the conventional filter layer adopting a simple air flushing mode, the problem of collision between filter stones in the filter layer caused by overlarge pressure can be avoided, sludge and sundries on the filter materials are enabled to fall off, the water flushing mechanism is used for flushing out the sludge and sundries in the filter layer, and the driving mechanism is used for driving the air flushing mechanism to move, so that the filter layer can be conveniently circularly stirred and air flushed, and the filter layer is cleaner to clean.

In this embodiment, as shown in fig. 1, the driving mechanism includes a driving unit 4, a pneumatic cylinder 5 is fixedly installed on the driving unit 4, a support plate 6 is fixed at an output end of the pneumatic cylinder 5, the pneumatic mechanism is installed on the support plate 6, the pneumatic mechanism is driven by the driving unit 4 to move back and forth, the pneumatic mechanism is driven by the pneumatic cylinder 5 to move up and down, and both the driving unit 4 and the pneumatic cylinder 5 are connected with the industrial personal computer through lines.

In this embodiment, as shown in fig. 1, the air-flushing mechanism includes an air-flushing pipe frame 7, an air inlet pipe 8 is fixed on the air-flushing pipe frame 7, a plurality of air distribution pipes 9 are fixed on the air-flushing pipe frame 7, each air distribution pipe 9 is fixed with a first pressure nozzle 10, the air inlet pipe 8 is connected with an air compressor, and the air compressor is connected with an industrial personal computer through a line.

In this embodiment, as shown in fig. 1, the end of the gas-distributing pipe 9 is in a truncated cone shape, the lower the radius of the end of the gas-distributing pipe 9 is, the smaller the radius is, so that the gas-distributing pipe 9 is convenient to be inserted into the filter layer, the length of the gas-distributing pipe 9 is similar to that of the filter layer, and the gas-distributing pipe 9 is inserted into a sufficient depth so that the first pressure nozzle 10 can blow to the bottom of the filter layer.

In this embodiment, as shown in fig. 1, two limiting blocks 11 are rotatably connected to the air flushing pipe frame 7, the air flushing pipe frame 7 is mounted on the supporting plate 6 through the limiting blocks 11, the limiting blocks 11 are placed on the supporting plate 6 through rotating the limiting blocks 11, then the limiting blocks 11 are fixed on the supporting plate 6 through bolts, at this time, the air flushing mechanism is fixed, and when the traveling crane 4 drives the air cylinder 5 to move, the air cylinder 5 drives the supporting plate 6 to drive the air flushing mechanism to move.

In this embodiment, as shown in fig. 1, the water backflushing mechanism includes a water pipe rack 12, a plurality of second pressure spray heads 14 are communicated with the water pipe rack 12, a water pipe 13 penetrating through the filter body 1 is fixed on the water pipe rack 12, the water pipe 13 is connected with an external water inlet pump and a water source, water supply is guaranteed, and the water pump is connected with an industrial personal computer through a circuit.

When the filter is used, the air cylinder 5, the traveling crane 4, the air compressor and the water inlet pump are controlled by the industrial personal computer, when the filter body 1 needs back flushing, the traveling crane 4 drives the air cylinder 5 and the air flushing mechanism to move to the forefront of the filter body 1, then the industrial personal computer controls the air cylinder 5 to drive the air flushing mechanism to be inserted into the filter layer, the air compressor is controlled to operate, the first pressure nozzle 10 sprays gas to blow sundries in the filter layer, then the traveling crane 4 drives the air flushing mechanism to reciprocate, the air distribution pipe 9 stirs the filter layer, the filter material in the filter layer is stirred, the filter material rubs to enable sludge and sundries to fall off, then the water inlet pump is enabled to operate, water enters the water pipe frame 12 through the water inlet pipe 2, then is sprayed out from the second pressure nozzle 14, the fallen sludge and sundries are washed out, the water level is gradually increased to drive the sludge and sundries to flow out from the drainage pipeline, and the valve of the drainage pipeline is closed according to the water quality check cleaning condition in the filter body 1.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The utility model provides a floating valve filtering pond recoil device, includes the filtering pond body, filtering pond body internally mounted has the filter layer that is used for water filtration, filtering water outlet has been seted up in the bottom of the filtering pond body, the intercommunication has drainage pipe on the filtering pond body, its characterized in that: the filter tank body is provided with a driving mechanism, the driving mechanism is provided with an air flushing mechanism, the filter tank body is internally provided with a water recoil mechanism, the filter tank body is communicated with a water inlet pipe, and the water inlet pipe is provided with a float valve;

the driving mechanism comprises a travelling crane, a pneumatic cylinder is fixedly installed on the travelling crane, a supporting plate is fixed at the output end of the pneumatic cylinder, and the air flushing mechanism is installed on the supporting plate.

2. A float valve filter backflushing apparatus according to claim 1 wherein: the air flushing mechanism comprises an air flushing pipe frame, an air inlet pipe is fixed on the air flushing pipe frame, a plurality of air distribution pipes are fixed on the air flushing pipe frame, and each air distribution pipe is fixedly provided with a first pressure spray head.

3. A float valve filter backflushing apparatus according to claim 2 wherein: the end part of the gas distribution pipe is in a truncated cone shape.

4. A float valve filter backflushing apparatus according to claim 2 wherein: the air flushing pipe frame is rotationally connected with two limiting blocks, and the air flushing pipe frame is arranged on the supporting plate through the limiting blocks.

5. A float valve filter backflushing apparatus according to claim 1 wherein: the water backflushing mechanism comprises a water pipe frame, a plurality of second pressure spray heads are communicated with the water pipe frame, and a water pipe penetrating through the filter body is fixed on the water pipe frame.