Mechanical filter tank for sewage treatment

Abstract

The utility model relates to the field of sewage treatment equipment, in particular to a mechanical filter tank for sewage treatment, which comprises a water tank, a water inlet pipe arranged at the upper end of the water tank, a bracket rotationally arranged below the water inlet pipe, three mounting rings uniformly arranged on the bracket, and filter cartridges with openings at the upper ends clamped in the mounting rings, the water tank is provided with a limiting mechanism connected with the support, a supporting net is arranged in the water tank below the filter cartridge, filter cloth is arranged on the supporting net, a water suction pump is arranged at the upper end of the water tank and provided with a water suction pipe inserted into the bottom end of the water tank, and the water suction pipe extends to the position below the filter cloth. The filter has the advantages of being convenient to clean, not easy to block and good in filtering effect.

Description

Technical Field

[0001] The utility model relates to the field of sewage treatment equipment, in particular to a mechanical filter tank for sewage treatment. Background Art

[0002] Sewage is an inevitable product in life and industrial production. Such sewage cannot be directly discharged into natural water areas to avoid polluting the natural environment. In sewage treatment, the first thing to be treated is the solid impurities in the sewage, and the treatment method is to filter them mechanically, that is, to use a filter screen or filter cloth to filter the impurities in the sewage. Existing filtering equipment is prone to clogging. After clogging, it needs to be cleaned, and the filtering needs to be stopped during the cleaning process, resulting in low efficiency. Therefore, it is particularly necessary to develop a mechanical filter tank for sewage treatment that is easy to clean and not prone to clogging. Summary of the Invention

[0003] The purpose of the utility model is to provide a mechanical filter tank for sewage treatment, which has the advantages of being easy to clean and not prone to clogging.

[0004] The adopted technical solution is as follows:

[0005] A mechanical filter tank for sewage treatment includes a water tank. An inlet pipe is arranged at the upper end of the water tank. A bracket is rotatably arranged below the inlet pipe. Three mounting rings are evenly arranged on the bracket. Filter cylinders with open upper ends are clamped in the mounting rings. A limiting mechanism connected to the bracket is arranged in the water tank. A support net is arranged in the water tank below the filter cylinder. A filter cloth is arranged on the support net. A water pump is arranged at the upper end of the water tank. The water pump is provided with a water suction pipe inserted to the bottom end of the water tank, and the water suction pipe extends below the filter cloth.

[0006] Preferably, the limiting mechanism includes a first telescopic mechanism extending vertically, and three limiting holes corresponding to the first telescopic mechanism are arranged on the bracket.

[0007] Preferably, a lifting mechanism is arranged inside the water tank. The lifting mechanism includes a second telescopic mechanism extending vertically. A supporting plate is arranged at the lower end of the second telescopic mechanism, and the supporting plate corresponds to the filter cylinder.

[0008] Preferably, a sealing rubber ring is arranged on the side surface of the support net, and support legs are arranged at the lower end of the support net.

[0009] Preferably, a plurality of hoisting mechanisms all connected to the support net are arranged at the upper end of the water tank.

[0010] Preferably, the lower end of the water suction pipe is closed, and a plurality of branch pipes are horizontally arranged on the side wall of the water suction pipe, and the branch pipes are all arranged below the filter cloth.

[0011] Compared with the prior art, the beneficial effects are as follows:

[0012] 1. The utility model controls the rotation of the support to alternately use and clean three filter cartridges, avoiding the stop of the filtration process due to the cleaning of the filter cartridges. After the sewage is filtered once by the filter cartridges, the sewage enters the water tank and passes through the filter cloth for the second filtration. After the second filtration, it is then pumped to the outside of the water tank by a water pump. After two filtrations, the filtration effect is good. The three filter cartridges are used alternately, avoiding the stop of the filtration process due to the cleaning of the filter cartridges, and the filtration efficiency is relatively high. Moreover, since most of the impurities have been filtered out after the first filtration by the filter cartridges, the filter cloth, which is difficult to move and clean due to the large amount of impurities, filters less impurities and is not easily blocked.

[0013] 2. The utility model uses the supporting plate in the lifting mechanism to lift the filter cartridge to be cleaned, facilitating the removal of the filter cartridge from the mounting ring.

[0014] 3. In the utility model, the lower end of the water suction pipe is closed, and a plurality of branch pipes are horizontally arranged on the side wall of the water suction pipe, reducing the water suction pipe from sucking away the sediment at the bottom of the water tank. Description of the Drawings

[0015] Figure 1 is a three-dimensional structural schematic diagram of a mechanical filter tank for sewage treatment of the utility model,

[0016] Figure 2 is Figure 1 the structural schematic diagram at position A in

[0017] Figure 3 is an internal structural schematic diagram of a mechanical filter tank for sewage treatment of the utility model,

[0018] In the figure: 1, water tank; 2, water inlet pipe; 3, support; 4, mounting ring; 5, filter cartridge; 6, first telescopic mechanism; 7, second telescopic mechanism; 8, supporting plate; 9, support net; 10, filter cloth; 11, support leg; 12, hoisting mechanism; 13, water pump; 14, water suction pipe; 15, branch pipe. Detailed Embodiment

[0019] The following further describes the utility model in conjunction with specific embodiments, as Figures 1 to 3 shown:

[0020] Embodiment 1: A mechanical filter tank for sewage treatment, comprising a water tank 1. A water inlet pipe 2 is arranged at the upper end of the water tank 1. Sewage enters the water tank 1 from the water inlet pipe 2. A support 3 is rotatably arranged below the water inlet pipe 2. Three mounting rings 4 are evenly arranged on the support 3. Filter cartridges 5 with upper openings are respectively clamped in the mounting rings 4. The mounting rings 4 and the filter cartridges 5 rotate with the rotation of the mounting rings 4, so that the filter cartridges 5 correspond to the water inlet pipe 2.

[0021] The water tank 1 is provided with a limiting mechanism connected to the support 3. The limiting mechanism fixes the position of the support 3, so that one of the filter cartridges 5 corresponds to the water inlet pipe 2, and the sewage flowing out of the water inlet pipe 2 flows into the filter cartridge 5. The filter cartridge 5 is used to filter the solid impurities in the sewage. A support net 9 is arranged in the water tank 1 below the filter cartridge 5, and a filter cloth 10 is arranged on the support net 9. The support net 9 extends horizontally to support the filter cloth 10. The water flowing down from the filter cartridge 5 is filtered by the filter cloth 10 and then flows to the lower part of the filter cloth 10, thus realizing the secondary filtration of the sewage.

[0022] A water pump 13 is arranged at the upper end of the water tank 1. The water pump 13 is provided with a water suction pipe 14 inserted into the bottom end of the water tank 1. The water suction pipe 14 extends to the lower part of the filter cloth 10. After the secondary filtration, it is then conveyed to the outside of the water tank 1 by the water pump 13. After two filtrations, the filtration effect is good.

[0023] Embodiment 2: A mechanical filter for sewage treatment, including a water tank 1. A water inlet pipe 2 is arranged at the upper end of the water tank 1. Sewage enters the water tank 1 from the water inlet pipe 2. A support 3 is rotatably arranged below the water inlet pipe 2. Three mounting rings 4 are evenly arranged on the support 3. Filter cartridges 5 with open upper ends are clamped in the mounting rings 4. The mounting rings 4 and the filter cartridges 5 rotate with the rotation of the mounting rings 4, so that the filter cartridges 5 correspond to the water inlet pipe 2.

[0024] The water tank 1 is provided with a limiting mechanism connected to the support 3. The limiting mechanism includes a first telescopic mechanism 6 extending vertically. Three limiting holes corresponding to the first telescopic mechanism 6 are arranged on the support 3. The first telescopic mechanism 6 extends and inserts into the limiting holes to fix the position of the support 3, so that one of the filter cartridges 5 corresponds to the water inlet pipe 2, and the sewage flowing out of the water inlet pipe 2 flows into the filter cartridge 5. The filter cartridge 5 is used to filter the solid impurities in the sewage.

[0025] A lifting mechanism is arranged inside the water tank 1. The lifting mechanism includes a second telescopic mechanism 7 extending vertically. A supporting plate 8 is arranged at the lower end of the second telescopic mechanism 7. The supporting plate 8 corresponds to the filter cartridge 5. The supporting plate 8 in the lifting mechanism is used to lift the filter cartridge 5 that needs to be cleaned, which is convenient for removing the filter cartridge 5 from the mounting ring 4.

[0026] A support net 9 is arranged in the water tank 1 below the filter cartridge 5, and a filter cloth 10 is arranged on the support net 9. A sealing rubber ring is arranged on the side of the support net 9. The sealing rubber ring improves the sealing performance between the support net 9 and the inner wall of the water tank 1. Support legs 11 are arranged at the lower end of the support net 9. The support legs 11 are used to support the support net 9. The support net 9 extends horizontally to support the filter cloth 10. The water flowing down from the filter cartridge 5 is filtered by the filter cloth 10 and then flows to the lower part of the filter cloth 10, thus realizing the secondary filtration of the sewage. A plurality of hoisting mechanisms 12 are arranged at the upper end of the water tank 1, and all of them are connected to the support net 9. The plurality of hoisting mechanisms 12 act simultaneously to lift the support net 9 and the filter cloth 10 at the same time.

[0027] A water pump 13 is provided at the upper end of the water tank 1. The water pump 13 is provided with a water suction pipe 14 inserted into the bottom end of the water tank 1. The water suction pipe 14 extends below the filter cloth 10 and is then conveyed to the outside of the water tank 1 by the water pump 13 after the second filtration. After two filtrations, the filtration effect is good. The lower end of the water suction pipe 14 is closed, and a plurality of branch pipes 15 are horizontally arranged on the side wall of the water suction pipe 14. The branch pipes 15 are all arranged below the filter cloth 10, reducing the water suction pipe 14 from sucking away the sediment at the bottom end of the water tank 1.

[0028] The specific working process is as follows: The bracket 3 is limited by the limiting mechanism so that one of the filter cylinders 5 is vertically aligned with the water inlet pipe 2. Sewage enters the filter cylinder 5 from the water inlet pipe 2 for the first filtration. The sewage flowing down from the filter cylinder 5 enters the lower part of the filter cloth 10 after the second filtration through the filter cloth 10. After the filter cylinder 5 is used for a period of time, more impurities accumulate inside. The limiting mechanism is disengaged from the bracket 3, and the bracket 3 is controlled to rotate so that another filter cylinder 5 is aligned with the water inlet pipe 2 and the used filter cylinder 5 is aligned with the support plate 8. The lifting mechanism is used to lift the filter cylinder 5 to facilitate the removal of the filter cylinder 5 from the mounting ring 4. The three filter cylinders 5 are used alternately to avoid the stop of the filtration process due to the cleaning of the filter cylinder 5. The sewage enters the water tank 1 and is filtered twice by the filter cylinder 5 and the filter cloth 10, and the filtration effect is good. Since most of the impurities have been filtered out after the first filtration by the filter cylinder 5, the filter cloth 10 filters less impurities and is not easily blocked.

[0029] The above embodiments are only the preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and substitutions made by those skilled in the art based on the present invention belong to the scope of protection required by the present invention.

Claims

1. A mechanical filter for sewage treatment, characterized in that: It includes a water pool. An inlet pipe is arranged at the upper end of the water pool. A bracket is rotatably arranged below the inlet pipe. Three mounting rings are evenly arranged on the bracket. Filter cartridges with open upper ends are respectively clamped in the mounting rings. The water pool is provided with a limiting mechanism connected to the bracket. A support net is arranged in the water pool below the filter cartridges. A filter cloth is arranged on the support net. A water pump is arranged at the upper end of the water pool. The water pump is provided with a water extraction pipe inserted to the bottom end of the water pool, and the water extraction pipe extends below the filter cloth.

2. The mechanical filter tank for sewage treatment according to claim 1, characterized in that: The limiting mechanism includes a first telescopic mechanism extending vertically. Three limiting holes corresponding to the first telescopic mechanism are arranged on the bracket.

3. The mechanical filter tank for sewage treatment according to claim 1, characterized in that: A lifting mechanism is arranged inside the water pool. The lifting mechanism includes a second telescopic mechanism extending vertically. A supporting plate is arranged at the lower end of the second telescopic mechanism, and the supporting plate corresponds to the filter cartridge.

4. The mechanical filtration tank for sewage treatment according to claim 1, characterized in that: A sealing rubber ring is arranged on the side of the support net, and supporting legs are arranged at the lower end of the support net.

5. A mechanical filtration tank for sewage treatment according to claim 1, characterized in that: A plurality of hoisting mechanisms all connected to the support net are arranged at the upper end of the water pool.

6. The mechanical filter tank for sewage treatment according to claim 1, characterized in that: The lower end of the water extraction pipe is closed. A plurality of branch pipes are horizontally arranged on the side wall of the water extraction pipe, and the branch pipes are all arranged below the filter cloth.

Images