Multi-medium composite filter

Abstract

The utility model provides a multi-medium composite filter which comprises a filter barrel, an activated carbon filter mechanism, a quartz sand filter mechanism, a water production electric valve and a backwashing electric valve, wherein the activated carbon filter mechanism and the quartz sand filter mechanism are arranged in the filter barrel side by side; water caps are arranged at the bottoms of the two filtering mechanisms; the water production electric valve and the backwashing electric valve are respectively connected with a filter barrel; a normal water inlet and a backwashing water inlet are formed in the filter barrel; according to the utility model, a traditional quartz sand filter and an active carbon filter are ingeniously combined together, so that the filter has a composite filtering function, the function of the quartz sand filter and the function of the active carbon filter are realized in one device, meanwhile, the number of steel and electric valves is reduced, and the cost is reduced. Therefore, the manufacturing cost and the occupied area of the equipment are reduced, the cost is saved, the economical efficiency is high, the structure is simple, installation is convenient, and popularization is easy.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter equipment technical field especially relates to a multi -media composite filter. BACKGROUND

[0002] The quartz sand filter adopts quartz sand as the filler, is favorable for removing the suspended matter in water, has obvious removal effect on the pollutants such as colloid, iron, organic matter, pesticide, manganese, bacteria and virus in water, and also has the advantages of small filtering resistance, large specific surface area, strong acid and alkali resistance, good anti-pollution, etc., and the filter material has strong self-adaptability to raw water concentration, operating conditions and pre-treatment process, that is, the filter bed automatically forms the loose and dense state during filtration, which is favorable for ensuring the water quality under various operating conditions, and the filter material is fully dispersed during backwashing, and the cleaning effect is good.

[0003] The active carbon filter is a commonly used water treatment equipment, can adsorb the residual chlorine that cannot be removed in the previous filter as the pre-treatment of the water treatment desalination system, effectively ensures the service life of the subsequent equipment, improves the water quality, and prevents pollution,

[0004] But the existing quartz sand filter and active carbon filter are single running filter equipment, and the process is complex, and the quartz sand and active carbon filtering functions cannot be used simultaneously, and the application range has limitations. UTILITY MODEL CONTENTS

[0005] The utility model aims at making up for the application limitation of the separate single running of the existing quartz sand and active carbon filter, and provides a filter device that can meet the quartz sand filtering function and the active carbon filtering function.

[0006] To achieve the above object, the utility model provides a multi -media composite filter, including filter filter bucket, active carbon filter mechanism, quartz sand filter mechanism, water production electric valve and backwashing electric valve:

[0007] The active carbon filter mechanism and the quartz sand filter mechanism are arranged side by side in the filter filter bucket;

[0008] The bottom of the active carbon filter mechanism and the quartz sand filter mechanism is equipped with a water cap;

[0009] The water production electric valve and the backwashing electric valve are connected with the filter filter bucket respectively;

[0010] The filter filter bucket is provided with a common water inlet and a backwashing water inlet.

[0011] Further, the material of the filter filter bucket is carbon steel, stainless steel or glass steel.

[0012] Further, the active carbon filtering mechanism comprises an active carbon filtering tank and active carbon, the active carbon is arranged in the active carbon filtering tank and above the water cap; an active carbon baffle is arranged at the upper opening of the active carbon filtering tank.

[0013] Further, the active carbon can be coal active carbon or coconut shell active carbon.

[0014] Further, the quartz sand filtering mechanism comprises a quartz sand filtering tank and quartz sand, a quartz sand baffle is arranged at the upper opening of the quartz sand filtering tank; the quartz sand is arranged in the quartz sand filtering tank and above the water cap; the quartz sand comprises first grade quartz sand, second grade quartz sand and third grade quartz sand, the first grade quartz sand is arranged above the second grade quartz sand, the second grade quartz sand is arranged above the third grade quartz sand, the particle size of the first grade quartz sand is smaller than that of the second grade quartz sand, and the particle size of the second grade quartz sand is smaller than that of the third grade quartz sand.

[0015] Further, the particle size of the first grade quartz sand ranges from 0.5 to 1 mm, the particle size of the second grade quartz sand ranges from 1 to 2 mm, and the particle size of the third grade quartz sand ranges from 2.0 to 5.0 mm.

[0016] Further, the active carbon baffle and the quartz sand baffle are one of a stainless steel baffle, a carbon steel baffle or a plastic baffle; a through hole is arranged in the active carbon baffle and the quartz sand baffle, the hole diameter of the through hole is 10 mm, the distance between adjacent concentric holes is 30 mm, and the radial hole distance is 30 mm.

[0017] Further, the active carbon baffle and the quartz sand baffle are arranged uniformly for water distribution, so as to prevent the impact of water flow on the filter material.

[0018] Further, the upper part of the active carbon filtering tank and the quartz sand filtering tank is provided with an upper maintenance opening, and the lower part is provided with a lower maintenance opening; the water production electric valve is connected with the filtered water discharge port of the active carbon filtering mechanism.

[0019] Further, the backwashing electric valve is arranged outside the filtering barrel, the backwashing electric valve comprises an A-grade backwashing electric valve and a B-grade backwashing electric valve, the A-grade backwashing electric valve is connected with the backwashing water discharge port of the active carbon filtering mechanism; and the B-grade electric valve is connected with the mixed backwashing water discharge port of the quartz sand filtering mechanism and the active carbon filtering mechanism.

[0020] Further, the water caps at the bottom of the active carbon filtering mechanism and the quartz sand filtering mechanism are connected.

[0021] The operation mechanism of the utility model is as follows:

[0022] When the device is normally filtered, the water production electric valve is opened, the A-grade backwashing electric valve and the B-grade backwashing electric valve are closed, waste water is connected into the normal water inlet through the water pump, thereby entering the quartz sand filtering mechanism, the water filtered through the quartz sand filtering mechanism enters the activated carbon filtering mechanism through the water cap, the water deeply purified through the activated carbon filtering mechanism is discharged through the water production electric valve by the activated carbon baffle, and the filtering is finished.

[0023] When the device is backwashed, the water production electric valve is closed, the A-grade backwashing electric valve and the B-grade backwashing electric valve are opened, clean water is connected into the backwashing water inlet through the backwashing water pump, and the activated carbon filtering mechanism and the quartz sand filtering mechanism arranged side by side are backwashed at the same time through the water cap, the sewage after backwashing is discharged through the backwashing electric valve A and the backwashing electric valve B, and the backwashing is finished.

[0024] Compared with the prior art, the utility model has the advantages that:

[0025] 1, the utility model discloses a traditional quartz sand filter and activated carbon filter are combined together cleverly, make it have composite filter function, realize in a device both satisfy the function of quartz sand filter and satisfy the function of activated carbon filter, simultaneously, reduce the complexity of original craft, improve the reliability of operation, expand the application range.

[0026] 2, the utility model discloses the filter that originally runs alone is combined into a composite filter, through the combination structure, effectively reduce the quantity of steel and electric valve, thereby reduce the equipment cost and the occupied area of equipment, save the cost, can be applicable to the place of smaller space, have stronger economy, simple structure, easy installation, easy to promote. ACCURACY OF DRAWINGS

[0027] Figure 1 It is the internal structure schematic view of the multi-medium composite filter of the utility model embodiment;

[0028] Figure 2 It is the external structure schematic view of the multi-medium composite filter of the utility model embodiment;

[0029] Figure 3 It is Figure 2 the top view;

[0030] Figure 4 It is the baffle structure schematic view in the multi-medium composite filter of the utility model embodiment;

[0031] Figure 5 It is the water flow direction schematic view when the multi-medium composite filter of the utility model embodiment is normally filtered;

[0032] Figure 6 It is the water flow direction schematic view when the multi-medium composite filter of the utility model embodiment is backwashed. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be further described below.

[0034] This embodiment proposes a multi-media composite filter, such as... Figure 1 and Figure 2 As shown, the filter includes a filter cartridge, an activated carbon filter mechanism, a quartz sand filter mechanism, a product water electric valve 6, and a backwash electric valve. The activated carbon filter mechanism and the quartz sand filter mechanism are arranged side-by-side inside the filter cartridge, and both have interconnected water caps 10 at their bottoms. The product water electric valve 6 and the backwash electric valve are connected to the filter cartridge. The filter cartridge has a normal water inlet 5 and a backwash water inlet 9.

[0035] like Figure 1 As shown, the left side of the filter canister contains an activated carbon filtration mechanism, and the right side contains a quartz sand filtration mechanism. The activated carbon filtration mechanism on the left includes an activated carbon filter tank and activated carbon 16. Activated carbon 16 is placed inside the activated carbon filter tank and positioned above the water cap 10. In this embodiment, the activated carbon 16 is coal-based activated carbon. An upper inspection port 1 is provided on the upper side of the activated carbon filter tank, and a lower inspection port 2 is provided on the lower side. An activated carbon baffle 11 is also provided at the upper opening of the activated carbon filter tank. This activated carbon baffle 11 is evenly distributed with water to prevent water flow from re-impacting the filter media. It has an internal perforated structure, such as... Figure 3 As shown, the diameter of the opening inside the baffle is 10mm, the distance between adjacent concentric holes is 30mm, and the distance between radial holes is 30mm.

[0036] Additionally, the quartz sand filtration mechanism on the right includes a quartz sand filter tank and quartz sand, such as... Figure 2 As shown, the upper side of the quartz sand filter tank is provided with an upper inspection port 3, and the lower side is provided with a lower inspection port 4. A quartz sand baffle 12 is also provided at the upper opening of the quartz sand filter tank. The quartz sand baffle 12 has the same structure as the activated carbon baffle 11, both of which are uniformly distributed water. It also has an open structure inside with a hole diameter of 10mm, a spacing of 30mm between adjacent concentric holes, and a radial hole spacing of 30mm. The quartz sand placed in the quartz sand filter tank includes primary quartz sand 13, secondary quartz sand 14, and tertiary quartz sand 15. The primary quartz sand 13 is located above the secondary quartz sand 14, and the secondary quartz sand 14 is located above the tertiary quartz sand 15. At the same time, the particle size of the primary quartz sand 13 is smaller than that of the secondary quartz sand 14, and the particle size of the secondary quartz sand 14 is smaller than that of the tertiary quartz sand 15.

[0037] In this embodiment, the particle size of the first quartz sand 13 is 0.5-1 mm, the particle size of the second quartz sand 14 is 1-2 mm, and the particle size of the third quartz sand 15 is 2.0-5.0 mm.

[0038] In this embodiment, the material of the filter barrel is one of carbon steel, stainless steel or glass steel, and the active carbon baffle 11 and the quartz sand baffle 12 are one of stainless steel baffle, carbon steel baffle or plastic baffle.

[0039] In this embodiment, the backwashing electric valve is arranged outside the filter barrel, as shown in FIG. 2 and FIG. 3, the backwashing electric valve comprises a first backwashing electric valve 7 and a second backwashing electric valve 8, wherein the first backwashing electric valve 7 is connected with the backwashing water discharge port of the active carbon filtering mechanism, and is used for discharging the backwashing water in the active carbon filter tank; the second backwashing electric valve 8 is connected with the mixed backwashing water discharge port of the quartz sand filtering mechanism and the active carbon filtering mechanism, and is used for discharging the mixed backwashing water in the quartz sand filter tank and the active carbon filter tank. Figure 2 Figure 3 As shown in FIG. 2 and FIG. 3, the backwashing electric valve comprises a first backwashing electric valve 7 and a second backwashing electric valve 8, wherein the first backwashing electric valve 7 is connected with the backwashing water discharge port of the active carbon filtering mechanism, and is used for discharging the backwashing water in the active carbon filter tank; the second backwashing electric valve 8 is connected with the mixed backwashing water discharge port of the quartz sand filtering mechanism and the active carbon filtering mechanism, and is used for discharging the mixed backwashing water in the quartz sand filter tank and the active carbon filter tank.

[0040] The specific working process of the multi-medium composite filter in this embodiment is as follows:

[0041] When the equipment is normally filtering, the water production electric valve 6 is opened, and the first backwashing electric valve 7 and the second backwashing electric valve 8 are closed, the waste water is connected with the normal water inlet 5 through the water pump, so as to enter the right quartz sand filtering mechanism in the filter barrel, the water filtered by the quartz sand filtering mechanism enters the left active carbon filtering mechanism through the water cap 10, the water purified by the active carbon filtering mechanism is discharged through the water production electric valve 6 via the active carbon baffle 11, and the filtering is finished, as shown in FIG. 2 and FIG. 3. Figure 1 Figure 5 When the equipment is normally filtering, the water flow direction in the quartz sand filter tank body on the right side in the filter barrel is from top to bottom, the water flows into the active carbon filter tank on the left side through the bottom water cap 10, and the water flow direction in the active carbon filter tank is from bottom to top.

[0042] When the equipment is backwashing, the water production electric valve 6 is closed, the first backwashing electric valve 7 and the second backwashing electric valve 8 are opened, the clean water is connected with the backwashing water inlet 9 through the backwashing water pump, and the active carbon filtering mechanism and the quartz sand filtering mechanism arranged side by side are backwashed simultaneously through the water cap 10, the backwashed sewage is discharged through the first backwashing electric valve 7 and the second backwashing electric valve 8, and the backwashing is finished, as shown in FIG. 4 and FIG. 5. Figure 6

[0043] ​​​The above are only preferred embodiments of the present application, and do not have any limiting effect on the present application. Any person skilled in the art, without departing from the technical scheme of the present application, makes any form of equivalent replacement or modification of the technical scheme and technical content disclosed by the present application, and the variation belongs to the content of the technical scheme of the present application, and still belongs to the protection scope of the present application.

Claims

1. A multi-media composite filter, characterized by, Includes filter cartridges, activated carbon filtration system, quartz sand filtration system, product water electric valve, and backwash electric valve: The activated carbon filtration mechanism and the quartz sand filtration mechanism are arranged side by side inside the filter barrel; Both the activated carbon filtration mechanism and the quartz sand filtration mechanism are equipped with water caps at their bottoms; The water production electric valve and the backwash electric valve are respectively connected to the filter cartridge; The filter cartridge is equipped with a regular water inlet and a backwash water inlet.

2. The multi-media composite filter of claim 1, wherein, The activated carbon filtration mechanism includes an activated carbon filter canister and activated carbon. The activated carbon is placed inside the activated carbon filter canister and located above the water cap. An activated carbon baffle is also provided at the upper opening of the activated carbon filter canister.

3. The multi-media composite filter of claim 2, wherein, The quartz sand filtration mechanism includes a quartz sand filter tank and quartz sand. A quartz sand baffle is provided at the upper opening of the quartz sand filter tank. The quartz sand is placed inside the quartz sand filter tank and located above the water cap. The quartz sand includes primary quartz sand, secondary quartz sand, and tertiary quartz sand. The primary quartz sand is located above the secondary quartz sand, and the secondary quartz sand is located above the tertiary quartz sand. The particle size of the primary quartz sand is smaller than that of the secondary quartz sand, and the particle size of the secondary quartz sand is smaller than that of the tertiary quartz sand.

4. The multi-media composite filter of claim 3, wherein, The particle size range of the first-grade quartz sand is 0.5-1 mm, the particle size of the second-grade quartz sand is 1-2 mm, and the particle size range of the third-grade quartz sand is 2.0-5.0 mm.

5. The multi-media composite filter of claim 3, wherein Both the activated carbon baffle and the quartz sand baffle are made of stainless steel, carbon steel, or plastic. Both the activated carbon baffle and the quartz sand baffle have through holes with a diameter of 10 mm.

6. The multi-media composite filter of claim 3, wherein, Both the activated carbon filter tank and the quartz sand filter tank are provided with an upper inspection port at the top and a lower inspection port at the bottom.

7. The multi-media composite filter of claim 1, wherein The electric valve for producing water is connected to the filtered water discharge port of the activated carbon filtration mechanism.

8. The multi-media composite filter of claim 1, wherein, The backwash electric valve includes an A-level backwash electric valve and a B-level backwash electric valve. The A-level backwash electric valve is connected to the backwash water discharge port of the activated carbon filter mechanism; the B-level electric valve is connected to the mixed backwash water discharge port of the quartz sand filter mechanism and the activated carbon filter mechanism.

9. The multi-media composite filter of claim 1, wherein, The activated carbon filtration mechanism and the quartz sand filtration mechanism are connected at their bottom water caps.

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