CN218589818U - Automatic back flush filter of multi-stage filtration - Google Patents

Abstract

The utility model discloses an automatic back flush filter of multiple stage filtration, the inside up end of washing filter body is equipped with the division board, the terminal surface is equipped with first water valve before the inlet tube, the terminal surface is equipped with the second water valve before the drain pipe, one-level filter layer right side is equipped with the second grade filter layer of connecting terminal surface under the division board, washing filter body left end face lower part is equipped with the vibrator, and lower terminal surface is connected with the keysets, the terminal surface is equipped with the third water valve before the keysets, it is equipped with the guard box to wash filter body right side, the inside miniature direct current water pump that is equipped with of guard box, the utility model has the advantages of: the time for cleaning the residual foreign matters by the backwashing filter is shortened, the work delay of the backwashing filter is avoided, the follow-up work of the backwashing filter is facilitated, the speed for cleaning the residual foreign matters is increased, and the water resource is saved to a certain extent.

Description

Automatic back flush filter of multi-stage filtration

Technical Field

The utility model relates to a filtration field specifically indicates an automatic back flush filter of multiple filtration.

Background

In general, a filter is often used in a water treatment process, and during filtering, water uniformly flows through a filter material layer through a water distributor, is collected by a water collecting cavity below the filter material layer, and then flows out of a water outlet to obtain purified water. In the using process, because the filter material layer continuously intercepts impurities in water, after the filter material layer operates for a period of time, the continuously increased impurities can block a filter channel in the filter material layer to cause the increase of the turbidity of outlet water or the rise of head loss, so the washing filter is generally provided with a back washing device, the filter material layer is timely back washed after the filter material layer operates for a period of time to keep the normal water purifying function of the washing filter, the back washing technology applied by the existing back washing filter only singly utilizes back washing to wash away the residual foreign matters on the filter screen, the waste of water in a single cleaning way is very large, and some residual foreign matters can be stuck on the filter screen due to the pressure of water flow to cause difficult cleaning, the time for back washing the residual foreign matters is increased, the work delay of the back washing filter is caused, and the subsequent work of the back washing filter is not facilitated.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an automatic back washing filter of multiple filtration to the above-mentioned problem.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides an automatic back flush filter of multiple filtration, includes the washing filter body, the inside up end of washing filter body is equipped with the division board, and left end face top is connected with the inlet tube, the terminal surface is equipped with first water valve before the inlet tube, washing filter body right-hand member face top is connected with the drain pipe, the terminal surface is equipped with the second water valve before the drain pipe, terminal surface fixedly connected with one-level filter layer under the inside division board of washing filter body, one-level filter layer right side is equipped with the second grade filter layer of connecting terminal surface under the division board, one-level filter layer and second grade filter layer lower extreme fixed connection are in washing filter body inside terminal surface down, washing filter body left end face lower part is equipped with the vibrator, and lower terminal surface is connected with the keysets, the terminal surface is equipped with the third water valve before the keysets, washing filter body right side is equipped with the protection case, protection incasement portion is equipped with miniature direct current pump.

As an improvement, the outer side ends of the water discharging pipe and the water inlet pipe are provided with butt joints.

As an improvement, the lower end of the switching tube is connected with a sand discharge tube.

As the improvement, be connected with the drinking-water pipe between miniature straight-flow water pump input end and the lower terminal surface switching pipe right side of washing filter body, miniature straight-flow water pump output end is connected with the outlet pipe, the outlet pipe delivery outlet penetrates washing filter body right-hand member face, and the output is connected with the sprinkler bead.

As the improvement, the fixed cover in the drain pipe outside has solid fixed ring, gu fixed ring terminal surface fixed connection is in the guard box up end down, the drinking-water pipe input port is equipped with the filter screen.

As an improvement, the upper end surface of the washing filter body is provided with a pressure gauge.

Compared with the prior art, the utility model the advantage lie in: the utility model provides an automatic back flush filter of multi-stage filtration, the filter washer adopts one-level filter layer and second grade filter layer to filter water, the purity of crossing the water has been increased, start the vibrator, start the water that miniature direct current water pump will filter and spout to one-level filter layer and second grade filter layer through the sprinkler bead, intermittent type nature switch third water valve makes the remaining foreign matter that is washed away discharge and provide the water supply by the sand discharge pipe, the time of the remaining foreign matter of back flush filter clearance has been reduced, the delay of back flush filter work has been avoided, be favorable to the follow-up work of back flush filter, and obtain promoting because of the speed of the remaining foreign matter of clearance, the water resource has been practiced thrift to a certain extent.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic view of the filter screen of the present invention.

Reference numerals: 1. the filter washing device comprises a filter washing body, 2, an isolation plate, 3, a water inlet pipe, 4, a first water valve, 5, a water outlet pipe, 6, a second water valve, 7, a first filtering layer, 8, a second filtering layer, 9, a vibrator, 10, an adapter pipe, 11, a third water valve, 12, a butt joint, 13, a sand discharge pipe, 14, a water pumping pipe, 15, a water outlet pipe, 16, a water spray head, 17, a fixing ring, 18, a filter screen, 19, a pressure gauge, 20, a protection box, 21 and a micro direct-current water pump.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the inside up end of wash filter body 1 is equipped with division board 2, the terminal surface is equipped with first water valve 4 before the inlet tube 3, the terminal surface is equipped with second water valve 6 before the drain pipe 5, 7 right sides of one-level filter layer are equipped with the second grade filter layer 8 of connecting terminal surface under division board 2, 1 left end lower part of wash filter body is equipped with vibrator 9, and the terminal surface is connected with the adaptor pipe 10 down, the terminal surface is equipped with third water valve 11 before the adaptor pipe 10, 1 right side of wash filter body is equipped with guard box 20, the inside miniature direct current pump 21 that is equipped with of guard box 20.

The utility model provides an automatic backwash filter of multiple filtration, 1 inside one-level filter layer 7 and the second grade filter layer 8 of adopting of wash filter body filters water, the purity of the drainage has been increased, when manometer 19 shows that the pressure value is great, it is more to show to remain the foreign matter on one-level filter layer 7 and the second grade filter layer 8, at this moment, close second water valve 6 and open first water valve 4 with third water valve 11, start vibrator 9, it spouts to one-level filter layer 7 and second grade filter layer 8 through sprinkler bead 16 to start up miniature direct current water pump 21 with the water after filtering, make and remain the foreign matter and drop, intermittent type nature switch third water valve 11 makes the remaining foreign matter that is washed away discharge and provide the water source by sand discharge pipe 13, the time of the remaining foreign matter of backwash filter clearance has been reduced, the delay of backwash filter work has been avoided, be favorable to follow-up work of backwash filter, and obtain promoting because of the speed of the remaining foreign matter of clearance, practiced thrift to a certain extent.

The present invention has been described in connection with the embodiments thereof, and the description is not intended to be limiting, and the embodiments shown in the drawings are only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, it should be understood that those skilled in the art should also understand the scope of the present invention without inventively designing the similar structure and embodiments of the present invention without departing from the spirit of the present invention.

Claims (6)

1. The utility model provides an automatic back flush filter of multiple filtration, includes wash filter body (1), its characterized in that, wash filter body (1) inside up end is equipped with division board (2), and the left end face top is connected with inlet tube (3), the terminal surface is equipped with first water valve (4) before inlet tube (3), wash filter body (1) right-hand member face top is connected with drain pipe (5), the terminal surface is equipped with second water valve (6) before drain pipe (5), terminal surface fixedly connected with one-level filter layer (7) under washing filter body (1) inside division board (2), one-level filter layer (7) right side is equipped with second grade filter layer (8) of connecting in division board (2) terminal surface down, terminal surface under one-level filter layer (7) and second grade filter layer (8) lower extreme fixed connection wash filter body (1) inside, wash filter body (1) left end face lower part is equipped with vibrator (9), and the terminal surface is connected with keysets (10) down, the terminal surface is equipped with third water valve (11) before keysets (10), wash filter body (1) right side is equipped with protection case (20), protection case (20) inside is equipped with miniature direct current water pump (21).

2. The automatic back flush filter with multi-stage filtration according to claim 1, characterized in that the external ends of the water outlet pipe (5) and the water inlet pipe (3) are provided with butt joints (12).

3. The automatic back-flushing filter with multi-stage filtration according to claim 1, characterized in that the lower end of the adapter tube (10) is connected with a sand discharge tube (13).

4. The automatic back flush filter with multi-stage filtration according to claim 1, characterized in that a water pumping pipe (14) is connected between the input end of the micro direct current pump (21) and the right side of the adapter pipe (10) on the lower end face of the filter body (1), the output end of the micro direct current pump (21) is connected with a water outlet pipe (15), the output port of the water outlet pipe (15) penetrates into the right end face of the filter body (1), and the output end of the water outlet pipe is connected with a water spray head (16).

5. The automatic back flush filter with multi-stage filtration according to claim 4, characterized in that a fixing ring (17) is fixedly sleeved outside the drain pipe (5), the lower end face of the fixing ring (17) is fixedly connected to the upper end face of the protection box (20), and a filter screen (18) is arranged at the input port of the water pumping pipe (14).

6. The automatic back flush filter with multi-stage filtration according to claim 1, characterized in that the upper end surface of the filter body (1) is provided with a pressure gauge (19).

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