CN215137213U

CN215137213U - Multi-media filter capable of prolonging filter material replacement period

Info

Publication number: CN215137213U
Application number: CN202121068729.4U
Authority: CN
Inventors: 王志新
Original assignee: Jiangsu Nobei Container Manufacturing Co ltd
Current assignee: Jiangsu Nobei Container Manufacturing Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-12-14
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses a can prolong multi-media filter of filter material change cycle, including casing and the support of setting in the casing bottom, the utility model relates to a multi-media filter technical field. According to the multi-media filter capable of prolonging the filter material replacement period, the second electromagnetic control valve and the filtering electromagnetic control valve are closed, the first electromagnetic control valve and the backwashing electromagnetic control valve are opened, so that impurities in the filter material are washed out by water in the second backwashing branch pipe through the water cap, then the second electromagnetic control valve and the filtering electromagnetic control valve are opened, the first electromagnetic control valve and the backwashing electromagnetic control valve are closed, and the filter material is washed for the second time by water in the third backwashing branch pipe through the water spray head, so that the impurities which are not washed out in the filter material are washed out.

Description

Multi-media filter capable of prolonging filter material replacement period

Technical Field

The utility model relates to a many medium filter technical field specifically is a many medium filter that can prolong filter material replacement cycle.

Background

The multi-medium filter is a process for clarifying water by passing high-turbidity water through granular or non-granular material under a certain pressure by using one or more filter media, and the commonly used filter media include quartz sand, anthracite, manganese sand, etc. and are mainly used for removing turbidity, softening water, pre-treatment of pure water, etc. the multi-medium filter not only uses more than two media as filter layers, but also is used for removing impurities, adsorbed oil, etc. in an industrial circulating water treatment system to make the water quality meet the requirement of recycling, and the function of filtering is mainly to remove suspended or colloidal impurities in water, especially to effectively remove micro-particles and bacteria, etc. which can not be removed by precipitation technology.

The existing multi-media filter mostly uses clear water to clean media, so that the replacement period of filter materials is prolonged, most of the filter materials are directly washed by water from the upper part and then cleaned by the media, and part of the filter materials are washed by water from the lower part, but the cleaning effect on the media in the middle layer is general, so that the service life of the filter materials is influenced, and the replacement period of the filter materials is prolonged.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a can prolong filter material change cycle's many medium filter has solved the general problem of intermediate level medium cleaning effect.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a multi-media filter capable of prolonging the replacement period of filter materials comprises a shell and a support arranged at the bottom of the shell, wherein a first filter layer is arranged in an inner cavity of the shell, a second filter layer is arranged below the first filter layer in the inner cavity of the shell, a third filter layer is arranged below the second filter layer in the inner cavity of the shell, a cobble layer is arranged above the first filter layer in the inner cavity of the shell, a backwashing main pipe is fixedly connected to one side of the shell, the outer surface of the backwashing main pipe is communicated with first backwashing branch pipes, the number of the first backwashing branch pipes is four, the outer surfaces of two first backwashing branch pipes are communicated with second backwashing branch pipes, one end of each second backwashing branch pipe penetrates through the shell and extends into the shell, and one end of one second backwashing branch pipe penetrates through the first filter layer and extends into the first filter layer, one end of the other second backwashing branch pipe penetrates through the third filtering layer and extends to the inside of the third filtering layer, the outer surfaces of the two remaining first backwashing branch pipes are communicated with the third backwashing branch pipes, one end of each third backwashing branch pipe penetrates through the shell and extends to the inside of the shell, one end of each third backwashing branch pipe penetrates through the cobble layer and extends to the inside of the cobble layer, and one end of the other third backwashing branch pipe penetrates through the second filtering layer and extends to the inside of the second filtering layer.

Preferably, the surface of the second backwashing branch pipe is provided with a first electromagnetic control valve for controlling the circulation of the second backwashing branch pipe, and the surface of the third backwashing branch pipe is provided with a second electromagnetic control valve for controlling the circulation of the third backwashing branch pipe.

Preferably, the bottom of the shell is communicated with a filtering water outlet pipe, and the surface of the filtering water outlet pipe is provided with a filtering electromagnetic control valve for controlling the circulation of the filtering water outlet pipe.

Preferably, the outer surface of the shell and the position above the cobble layer are communicated with a backwashing water outlet pipe, and the surface of the backwashing water outlet pipe is provided with a backwashing electromagnetic control valve for controlling the circulation of the backwashing water outlet pipe.

Preferably, the top of casing intercommunication has the inlet tube, the top of casing inner chamber just is located the inlet tube and passes through mount fixedly connected with water dispersion board under, the through-hole has been seted up at water dispersion board's top.

Preferably, the top of the outer surface of the second backwashing branch pipe is communicated with a water cap, and the bottom of the outer surface of the third backwashing branch pipe is communicated with a water spray head.

Advantageous effects

The utility model provides a can prolong multi-media filter of filter material change cycle. Compared with the prior art, the method has the following beneficial effects:

(1) the multi-media filter capable of prolonging the replacement period of the filter material is matched with the arrangement of a shell, a bracket, a first filter layer, a second filter layer, a third filter layer, a cobble layer, a backwashing main pipe, a first backwashing branch pipe, a second backwashing branch pipe and a third backwashing branch pipe, a second electromagnetic control valve and a filtering electromagnetic control valve are closed, the first electromagnetic control valve and the backwashing electromagnetic control valve are opened, water in the second backwashing branch pipe washes impurities in the filter material through a water cap, so that sewage flows out of a backwashing water outlet pipe, then the second electromagnetic control valve and the filtering electromagnetic control valve are opened, the first electromagnetic control valve and the backwashing electromagnetic control valve are closed, water in the third backwashing branch pipe washes the filter material for the second time through a water spray head, so that the impurities which are not washed out in the filter material are washed out, and the middle layer is more thoroughly washed because the middle layer is provided with a washing water pipe, and then increased the cleaning performance of device, and then increased the life of filter material, and then reduced the change cycle of filter material.

(2) This can prolong multi-media filter of filter material change cycle, there is the inlet tube through the top intercommunication at the casing, the top of casing inner chamber just is located the inlet tube and passes through mount fixedly connected with water dispersing plate under, the top intercommunication of second backwash branch pipe surface has the water cap, the bottom intercommunication of third backwash branch pipe surface has the sprinkler bead, the setting of cooperation water cap, thereby prevent to get into the filter material in the second backwash branch pipe, thereby guarantee device's normal operating, the setting of cooperation water dispersing plate, make in the more even entering filter material of sewage, and then increase device's filter effect.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a housing; 2. a support; 3. a first filter layer; 4. a second filter layer; 5. a third filter layer; 6. a cobble layer; 7. a backwashing main pipe; 8. a first backwash leg; 9. a second backwash leg; 10. a third backwash leg; 11. a first solenoid control valve; 12. a second solenoid control valve; 13. a water outlet pipe is filtered; 14. a filtering solenoid control valve; 15. backwashing the water outlet pipe; 16. backwashing the electromagnetic control valve; 17. a water inlet pipe; 18. a water-dispersing plate; 19. a water cap; 20. a sprinkler head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a multi-media filter capable of prolonging the filter material replacement period comprises a shell 1 and a support 2 arranged at the bottom of the shell 1, wherein a first filter layer 3 is arranged in an inner cavity of the shell 1, a second filter layer 4 is arranged in the inner cavity of the shell 1 and below the first filter layer 3, a third filter layer 5 is arranged in the inner cavity of the shell 1 and below the second filter layer 4, a cobble layer 6 is arranged in the inner cavity of the shell 1 and above the first filter layer 3, a backwashing main pipe 7 is fixedly connected to one side of the shell 1, the outer surface of the backwashing main pipe 7 is communicated with first backwashing branch pipes 8, the number of the first backwashing branch pipes 8 is four, the outer surfaces of two first backwashing branch pipes 8 are communicated with second backwashing branch pipes 9, one end of each second backwashing branch pipe 9 penetrates through the shell 1 and extends to the inside of the shell 1, one end of each second backwashing branch pipe 9 penetrates through the first filter layer 3 and extends to the inside of the first filter layer 3, one end of the other second backwashing branch pipe 9 penetrates through the third filter layer 5 and extends to the inside of the third filter layer 5, the outer surfaces of the remaining two first backwashing branch pipes 8 are communicated with the third backwashing branch pipe 10, one end of the third backwashing branch pipe 10 penetrates through the shell 1 and extends to the inside of the shell 1, one end of one third backwashing branch pipe 10 penetrates through the cobble layer 6 and extends to the inside of the cobble layer 6, one end of the other third backwashing branch pipe 10 penetrates through the second filter layer 4 and extends to the inside of the second filter layer 4, the second electromagnetic control valve 12 and the filtering electromagnetic control valve 14 are closed, the first electromagnetic control valve 11 and the backwashing electromagnetic control valve 16 are opened, water in the second backwashing branch pipe 9 washes out impurities in the filter material through the water cap 19, so that sewage flows out from the backwashing water outlet pipe 15, then the second electromagnetic control valve 12 and the filtering electromagnetic control valve 14 are opened, the first electromagnetic control valve 11 and the backwashing electromagnetic control valve 16 are closed, so that water in the third backwashing branch pipe 10 carries out secondary cleaning on the filter material through the water spraying head 20, and impurities which are not cleaned out in the filter material are cleaned out.

Furthermore, a first electromagnetic control valve 11 for controlling the circulation of the second backwashing branch pipe 9 is arranged on the surface of the second backwashing branch pipe 9, the first electromagnetic control valve 11 is electrically connected with an external power supply and is controlled by a control switch, a second electromagnetic control valve 12 for controlling the circulation of the third backwashing branch pipe 10 is arranged on the surface of the third backwashing branch pipe 10, and the second electromagnetic control valve 12 is electrically connected with the external power supply and is controlled by the control switch.

Furthermore, the bottom of the shell 1 is communicated with a filtering water outlet pipe 13, the surface of the filtering water outlet pipe 13 is provided with a filtering electromagnetic control valve 14 for controlling the circulation of the filtering water outlet pipe 13, and the filtering electromagnetic control valve 14 is electrically connected with an external power supply and is controlled by a control switch.

Furthermore, a backwashing water outlet pipe 15 is communicated with the outer surface of the shell 1 and positioned above the cobble layer 6, a backwashing electromagnetic control valve 16 for controlling the circulation of the backwashing water outlet pipe 15 is arranged on the surface of the backwashing water outlet pipe 15, and the backwashing electromagnetic control valve 16 is electrically connected with an external power supply and is controlled by a control switch.

Furthermore, the top of the shell 1 is communicated with a water inlet pipe 17, and the top of the inner cavity of the shell 1 is positioned under the water inlet pipe 17 and is fixedly connected with a water dispersing plate 18 through a fixing frame.

Furthermore, the top of the outer surface of the second backwashing branch pipe 9 is communicated with a water cap 19, the water cap 19 is a common part on the market, the bottom of the outer surface of the third backwashing branch pipe 10 is communicated with a water spraying head 20, and the water spraying head 20 has the effect of increasing the water outlet area.

And those not described in detail in this specification are well within the skill of those in the art.

When in use, the second electromagnetic control valve 12 and the filtering electromagnetic control valve 14 are closed, the first electromagnetic control valve 11 and the backwashing electromagnetic control valve 16 are opened, clean water is introduced into the backwashing main pipe 7, water in the second backwashing branch pipe 9 in the third filtering layer 5 washes impurities in the third filtering layer 5 out through the water cap 19, when the impurities in the third filtering layer 5 reach the first filtering layer 3, the second backwashing branch pipe 9 above continuously washes the impurities out to enable the impurities to flow out from the backwashing water outlet pipe 15, then the second electromagnetic control valve 12 and the filtering electromagnetic control valve 14 are opened, the first electromagnetic control valve 11 and the backwashing electromagnetic control valve 16 are closed, water in the third backwashing branch pipe 10 is enabled to carry out secondary cleaning on the filtering material through the water spray head 20, so that the impurities which are not washed out in the filtering material are washed out, after the cleaning is finished, the first electromagnetic control valve 11, the second electromagnetic control valve 12 and the backwashing electromagnetic control valve 16 are closed, the filtering electromagnetic control valve 14 is opened, and then the sewage is introduced from the water inlet pipe 17 for filtering.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but multi-media filter of extension filter material replacement cycle, includes casing (1) and sets up support (2) in casing (1) bottom, its characterized in that: the inner cavity of the shell (1) is provided with a first filtering layer (3), the inner cavity of the shell (1) is provided with a second filtering layer (4) below the first filtering layer (3), the inner cavity of the shell (1) is provided with a third filtering layer (5) below the second filtering layer (4), the inner cavity of the shell (1) is provided with a cobble layer (6) above the first filtering layer (3), one side of the shell (1) is fixedly connected with a backwashing main pipe (7), the outer surface of the backwashing main pipe (7) is communicated with first backwashing branch pipes (8), the number of the first backwashing branch pipes (8) is four, the outer surfaces of two first backwashing branch pipes (8) are communicated with a second backwashing branch pipe (9), one end of the second backwashing branch pipe (9) penetrates through the shell (1) and extends to the inside of the shell (1), one end of each second backwashing branch pipe (9) penetrates through the first filtering layer (3) and extends to the inside of the first filtering layer (3), one end of each second backwashing branch pipe (9) penetrates through the third filtering layer (5) and extends to the inside of the third filtering layer (5), the outer surfaces of the two remaining first backwashing branch pipes (8) are communicated with the third backwashing branch pipes (10), one end of each third backwashing branch pipe (10) penetrates through the shell (1) and extends to the inside of the shell (1), one end of each third backwashing branch pipe (10) penetrates through the cobble layer (6) and extends to the inside of the cobble layer (6), and one end of each third backwashing branch pipe (10) penetrates through the second filtering layer (4) and extends to the inside of the second filtering layer (4).

2. The multi-media filter capable of extending the filter material exchange period of claim 1, wherein: the surface of the second backwashing branch pipe (9) is provided with a first electromagnetic control valve (11) for controlling the circulation of the second backwashing branch pipe (9), and the surface of the third backwashing branch pipe (10) is provided with a second electromagnetic control valve (12) for controlling the circulation of the third backwashing branch pipe (10).

3. The multi-media filter capable of extending the filter material exchange period of claim 1, wherein: the bottom of the shell (1) is communicated with a filtering water outlet pipe (13), and the surface of the filtering water outlet pipe (13) is provided with a filtering electromagnetic control valve (14) for controlling the circulation of the filtering water outlet pipe (13).

4. The multi-media filter capable of extending the filter material exchange period of claim 1, wherein: and a backwashing water outlet pipe (15) is communicated with the outer surface of the shell (1) and positioned above the cobble layer (6), and a backwashing electromagnetic control valve (16) for controlling the circulation of the backwashing water outlet pipe (15) is arranged on the surface of the backwashing water outlet pipe (15).

5. The multi-media filter capable of extending the filter material exchange period of claim 1, wherein: the top intercommunication of casing (1) has inlet tube (17), the top of casing (1) inner chamber just is located inlet tube (17) under and passes through mount fixedly connected with water dispersion board (18).

6. The multi-media filter capable of extending the filter material exchange period of claim 1, wherein: the top of the outer surface of the second backwashing branch pipe (9) is communicated with a water cap (19), and the bottom of the outer surface of the third backwashing branch pipe (10) is communicated with a water spraying head (20).