CN218248853U - A double filter backwash pipeline device - Google Patents

Abstract

The utility model relates to the technical field of duplex filters, and discloses a backwash pipeline device for duplex filters. The first filter and the second filter are vertically and fixedly installed at the top center of a support base at the same level. On both sides of the position, the support base is located at the bottom of the first filter and the second filter, and the upper part of the center of the inner surface of the first filter is connected with the first catheter in the same horizontal direction. The center of the lower part of the backboard is communicated with the first circulation pipe, and the lower part of the inner side of the second filter is connected with the second liquid guide pipe in the same horizontal direction. The double filter backwash pipeline device introduces the rinsed cleaning liquid into the inside of the filter box through the first circulation pipe added on the back of the first filter, and removes the impurities contained in the cleaning liquid when passing through the internal filter plate. Filtration, the cleaning liquid enters the interior of the liquid storage tank through the second circulation pipe, and this method facilitates the recycling of the cleaning liquid.

Description

A double filter backwash pipeline device

technical field

The utility model relates to the technical field of duplex filters, in particular to a backwash pipeline device for duplex filters.

Background technique

Duplex filter, also known as parallel double switching filter (hereinafter referred to as duplex filter), is composed of two single-cylinder filters and a full-bore three-way ball valve. It has a simple structure and is easy to use. The structure of the duplex filter is novel and reasonable. , good sealing, strong flow capacity, small chance of side leakage of the filter element, can accurately ensure the filtration accuracy, and can quickly replace the filter element, the double filter cartridge is equipped with a stainless steel filter mesh and a filter mesh support basket, and the top is equipped with a vent valve , to vent the air inside the filter.

The double filter backwash pipeline device uses the internal filter element to filter the passing liquid, and the filter element needs to be cleaned because the impurities in the liquid will block the filter element after long-term use. The traditional way to clean the duplex filter element is to put it into boiling water to dissolve the impurities in the pores of the filter element. The operation is simple but the impurity removal effect is poor. It is not easy to remove the stubborn impurities adhered to the surface of the device, and the cleaning solution is rinsed and discharged directly. , the utilization efficiency is low, and the stripped impurities are scattered everywhere, which is inconvenient to collect and process. Therefore, a double filter backwash pipeline device is proposed.

Utility model content

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the utility model provides a double filter backwash pipeline device to solve the above technical problems.

(2) Technical solution

In order to achieve the above purpose, the utility model provides the following technical solutions: a double filter backwash pipeline device, including a first filter and a second filter, the first filter and the second filter are the same The high-level vertical fixed installation is on both sides of the top center of the support base. The support base is located at the bottom of the first filter and the second filter. A catheter, the center of the lower part of the back plate of the first filter is connected with a first circulation pipe, and the lower part of the inner surface of the second filter is connected with a second catheter in the same horizontal direction. A first liquid inlet pipe is horizontally connected to the upper center of the outer surface, and support legs are fixedly installed around the bottom of the support base in the longitudinal direction.

Preferably, both sides of the inner walls of the first filter and the second filter are longitudinally equipped with filter element support baskets, and filter elements are installed on the top of the filter element support baskets, and the first filter and the second filter The tops of the tops are movably connected with conical cover plates, and the central positions of the tops of the conical cover plates are longitudinally connected with air release valves.

Preferably, a booster pump is fixedly installed horizontally at the top center of the support base, and the liquid outlet end at the top center of the booster pump is connected to the liquid inlet end of the first catheter in the same way. The liquid inlet end at the central position on one side communicates with the liquid outlet end with the second catheter tube.

Preferably, the liquid outlet end of the first circulation pipe is also connected to a filter box, and the center of the inner cavity of the filter box and both sides of the filter box are longitudinally movably inserted with a filter plate, and the top center of the filter plate is fixed and installed With pull handle.

Preferably, the liquid inlet end of the first liquid inlet pipe is also connected to a water pump, and the water pump is located at the lower part of one side of the support base, and the liquid inlet end at the center of one side of the water pump is connected with a second liquid inlet pipe. The liquid inlet end of the second liquid inlet pipe is also connected to a liquid storage tank, and the liquid storage tank is located at one side of the water pump.

Preferably, the liquid inlet end of the lower part of the back plate of the liquid storage tank is connected with a second circulation pipe, and the liquid inlet end of the second circulation pipe is connected with the liquid outlet end of the filter box, and the filter box is located at the back of the liquid storage tank. board bottom.

(3) Beneficial effects

Compared with the prior art, the utility model provides a double filter backwash pipeline device, which has the following beneficial effects:

1. The double filter backwash pipeline device, through the water pump, the second liquid inlet pipe and the first liquid inlet pipe, draws out the cleaning liquid inside the liquid storage tank and transports it into the inside of the second filter to flush the filter element. The booster pump sends the cleaning liquid into the inside of the first filter through the second liquid inlet pipe and the first liquid inlet pipe to flush the filter element, and then discharges it through the first circulation pipe. During the process, the impurities in the pore diameter of the filter element can be effectively washed away. On the other hand, it is avoided that the impact force of the cleaning liquid decreases after the second filter is rinsed, resulting in a decrease in the flushing effect of the first filter. occur;

2. The double filter backwashing pipeline device, the first circulation pipe added on the back of the first filter guides the rinsed cleaning solution into the filter box, and the impurities contained in the cleaning solution are removed when passing through the internal filter plate. filter, and the cleaning liquid enters the interior of the liquid storage tank through the second circulation pipe. In this way, on the one hand, it is convenient for the cleaning liquid to be recycled; on the other hand, after the impurities in the cleaning liquid are adsorbed on the filter plate, the The filter plate is drawn out to collect and post-process the impurities.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a schematic diagram of the rear view structure of the device of the present utility model;

Fig. 3 is a schematic diagram of the internal structure of the filter box of the utility model in section.

In the figure: 1, the first filter; 2, the second filter; 3, the support base; 4, the first catheter; 5, the first circulation tube; 6, the second catheter; 7, the first inlet Liquid pipe; 8. Tapered cover plate; 9. Air release valve; 10. Booster pump; 11. Filter box; 12. Filter plate; 13. Pull handle; 14. Water pump; 15. Second liquid inlet pipe; 16. Liquid storage tank; 17. Second circulation pipe.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The utility model provides a technical solution, a double filter backwash pipeline device, including a first filter 1, a second filter 2, a support base 3, a first fluid guide tube 4, and a first circulation tube 5 , the second liquid guide tube 6, the first liquid inlet pipe 7, the tapered cover plate 8, the air release valve 9, the booster pump 10, the filter box 11, the filter plate 12, the pull handle 13, the water pump 14, the second inlet The liquid pipe 15, the liquid storage tank 16 and the second circulation pipe 17, please refer to Fig. 1, the first filter 1 and the second filter 2 are vertically and fixedly installed on both sides of the top center of the support base 3 at the same level, supporting The base 3 is located at the bottom of the first filter 1 and the second filter 2, and both sides of the inner walls of the first filter 1 and the second filter 2 are longitudinally installed with filter element support baskets, and the top of the filter element support baskets are equipped with filter elements The tops of the first filter 1 and the second filter 2 are movably connected with a conical cover plate 8, and the top center of the conical cover plate 8 is vertically connected with an air release valve 9, which is convenient for discharging the inside when filtering. Gas, the upper part of the center of the inner surface of the first filter 1 is connected with the first liquid guide pipe 4 in the same horizontal direction, and the cleaning liquid is introduced, and the center of the lower part of the back plate of the first filter 1 is connected with the first circulation pipe 5, which will be used After the cleaning solution is discharged, please refer to Figure 2. The outlet end of the first circulation pipe 5 is also connected with a filter box 11, please refer to Figure 3, the center of the inner cavity of the filter box 11 and both sides are longitudinally movable and inserted with filter boxes. plate 12, and the top center of the filter plate 12 is fixedly equipped with a lifting handle 13 to filter the used cleaning solution and recycle it. Please refer to Figure 1. The lower part of the inner surface of the second filter 2 is connected in the same horizontal direction There is a second catheter 6 to discharge the cleaning liquid. A booster pump 10 is fixed horizontally at the top center of the support base 3. The liquid outlet end at the top center of the booster pump 10 is connected to the liquid inlet of the first catheter 4 The ends are connected in the same way, the liquid inlet end at the center of one side of the booster pump 10 communicates with the liquid outlet end with the second catheter 6, and the cleaning liquid is introduced from the inside of the second filter 2 into the inside of the first filter 1, To increase the flow rate of the cleaning liquid, the first liquid inlet pipe 7 is horizontally connected to the upper center of the outer surface of the second filter 2, so that the cleaning liquid enters the interior, please refer to Figure 2, the liquid inlet end of the first liquid inlet pipe 7 is connected in the same way There is a water pump 14, and the water pump 14 is located at the lower part of one side of the support base 3, and the liquid inlet end at the center of one side of the water pump 14 is connected with a second liquid inlet pipe 15, and the liquid inlet end of the second liquid inlet pipe 15 is also connected with a liquid storage tank 16, and the liquid storage tank 16 is located on one side of the water pump 14, and the cleaning liquid inside the liquid storage tank 16 is drawn out and introduced into the inside of the second filter 2. circulation pipe 17, and the liquid inlet end of the second circulation pipe 17 is communicated with the liquid outlet end of the filter box 11, please refer to Fig. The inside of the liquid tank 16 circulates, and the bottom of the support base 3 is longitudinally fixed with support legs around it.

The working principle of this device: the cleaning liquid inside the liquid storage tank 16 is pumped out through the water pump 14, the second liquid inlet pipe 15 and the first liquid inlet pipe 7 and sent into the inside of the second filter 2 to flush the filter element and pressurize The pump 10 transports the cleaning liquid into the inside of the first filter 1 through the second liquid inlet pipe 15 and the first liquid inlet pipe 7 to flush the filter element, then discharges it through the first circulation pipe 5, and then passes through the first circulation pipe 5 The rinsed cleaning liquid is introduced into the filter box 11 , and the impurities contained in the cleaning liquid are filtered when passing through the internal filter plate 12 , and the cleaning liquid enters the inside of the liquid storage tank 16 through the second circulation pipe 17 .

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a pair filter back flush pipeline device, includes first filter (1) and second filter (2), its characterized in that: the filter is characterized in that the first filter (1) and the second filter (2) are arranged on two sides of the center of the top of the supporting base (3) in the same height in a longitudinally fixed mode, the supporting base (3) is located at the bottom of the first filter (1) and the bottom of the second filter (2), the upper portion of the center of the inner side of the first filter (1) is transversely and identically connected with a first liquid guide pipe (4), the center of the lower portion of the back plate of the first filter (1) is communicated with a first circulating pipe (5), the lower portion of the inner side of the second filter (2) is transversely and identically connected with a second liquid guide pipe (6), the center of the upper portion of the outer side of the second filter (2) is transversely communicated with a first liquid inlet pipe (7), and supporting legs are fixedly arranged on the periphery of the bottom of the supporting base (3) in a longitudinally fixed mode.

2. The dual-filter backwashing pipeline assembly of claim 1, wherein: the filter core that all vertically installs in the inner wall both sides of first filter (1) and second filter (2) supports the basket, the filter core is all installed at the top that the filter core supported the basket and is filtered the filter core, the equal swing joint in top of first filter (1) and second filter (2) has toper apron (8), the top central point of toper apron (8) puts all vertically the intercommunication and has bleed valve (9).

3. The duplex filter backwash pipeline apparatus according to claim 1, wherein: the liquid inlet device is characterized in that a booster pump (10) is transversely and fixedly mounted at the center of the top of the supporting base (3), a liquid outlet end at the center of the top of the booster pump (10) is connected with a liquid inlet end of the first liquid guide pipe (4), and a liquid inlet end at the center of one side of the booster pump (10) is communicated with a liquid outlet end with the second liquid guide pipe (6).

4. The dual-filter backwashing pipeline assembly of claim 1, wherein: the liquid outlet end of the first circulating pipe (5) is connected with a filter box (11) in the same way, the center position and two sides of the inner cavity of the filter box (11) are longitudinally movably inserted with a filter plate (12), and the center position of the top of the filter plate (12) is fixedly provided with a lifting handle (13).

5. The duplex filter backwash pipeline apparatus according to claim 1, wherein: the feed liquor end looks isoplanatic of first feed liquor pipe (7) is connected with water pump (14), and water pump (14) are located the one side lower part that supports base (3), one side central point of water pump (14) puts feed liquor end intercommunication and has second feed liquor pipe (15), the feed liquor end looks isoplanatic of second feed liquor pipe (15) is connected with liquid reserve tank (16), and liquid reserve tank (16) are located one side of water pump (14).

6. The duplex filter backwash piping arrangement as claimed in claim 5, wherein: the liquid inlet end of the lower portion of the back plate of the liquid storage tank (16) is communicated with a second circulating pipe (17), the liquid inlet end of the second circulating pipe (17) is communicated with the liquid outlet end of the filter tank (11), and the filter tank (11) is located at the bottom of the back plate of the liquid storage tank (16).

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