Centrifugal efficient rainfall filtering device

Abstract

The utility model provides a centrifugal high-efficiency rainfall filtering device which comprises a tank body, a fixing ring is arranged at the bottom in the tank body, the fixing ring is rigidly connected with a clamping cylinder, the clamping cylinder is connected with a filtering cylinder, the lower portion of the filtering cylinder is arranged outside the clamping cylinder in a sleeved mode, and the bottom of the filtering cylinder is in contact with the top face of the fixing ring. A pressing device is arranged at the top of the filter cartridge, and one side of the lower part of the tank body is connected with a blow-off pipe. The filtering device is large in discharge capacity and high in efficiency, the construction period can be greatly shortened, and cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of filtration, in particular to a centrifugal high-efficiency precipitation filtering device. Background Art

[0002] When excavating a foundation pit for construction projects, if the groundwater level is higher than the bottom of the excavation, groundwater will continue to seep into the pit. In order to ensure that the foundation pit can be constructed under dry conditions and prevent slope instability, foundation sand flow, pit bottom uplift, pit bottom pipe gushing and a decrease in foundation bearing capacity, precipitation work needs to be done before excavating the foundation pit.

[0003] Generally, precipitation is to pump out groundwater with a precipitation pump, but groundwater is often mixed with mud and dirt. If it is directly pumped out for a long time, it will affect the performance of the precipitation pump. Generally, it must be filtered first. The filtering equipment in the existing technology mostly uses a sheet filter screen, and the filtering efficiency is low. Utility Model Content

[0004] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0005] A centrifugal high-efficiency precipitation filtering device comprises a tank body, a fixing ring is provided at the bottom of the tank body, the fixing ring is rigidly connected to a cartridge, a filter cartridge is connected to the cartridge, the lower part of the filter cartridge is sleeved on the outside of the cartridge, the bottom of the filter cartridge contacts the top surface of the fixing ring, the filter cartridge is covered with filter holes, the top and outer wall of the filter cartridge are wrapped with a layer of filter cloth, a clamping device is provided on the top of the filter cartridge, the clamping device comprises a pressure plate, the pressure plate is pressed on the top of the filter cartridge, the diameter of the pressure plate is larger than the outer diameter of the filter cartridge, the pressure plate is connected to a cover plate through a plurality of connecting columns, and all the connecting columns Distributed in a circular array, the cover plate is in a circular ring shape, the cover plate is arranged on the top of the tank body, the outer wall of the cover plate is provided with a plurality of ears in a circular array, the ears include a slot, a locking device is provided at each ear corresponding to the top of the tank body, the locking device includes two ear plates, the ear plates are provided with connecting holes, a horizontal axis is connected between the two ear plates, both ends of the horizontal axis are rotatably arranged in a connecting hole, a screw is rigidly connected to the middle of the horizontal axis, the screw is threadedly connected to the locking nut, the screw is stuck in the slot when it is in a vertical state, and one side of the lower part of the tank body is connected to a sewage pipe.

[0006] As a preferred solution, the filter cloth is made of nylon.

[0007] As a preferred solution, the cover plate is connected to a water inlet pipe.

[0008] As a preferred solution, the bottom of the tank is connected to a water outlet pipe.

[0009] As a preferred solution, a plurality of supporting legs are connected to the bottom of the tank body.

[0010] As a preferred solution, the filter cartridge is made of metal.

[0011] Compared with the prior art, the beneficial effect of the utility model is that when the centrifugal high-efficiency precipitation filtering device is in use, sewage mixed with dirt such as mud and sand enters from the water inlet pipe, and the sewage is dispersed from the space between the cover plate and the pressure plate to the outside of the filter cartridge in the tank body. Pure water will enter the inside of the filter cartridge through the filter cloth and the filter cartridge wall, and flow out of the tank body through the cartridge, enter the water outlet pipe for discharge, and dirt such as mud and sand mixed in the sewage will remain on the outside of the filter cartridge and the filter cloth in the tank body. When a certain amount of dirt accumulates in the tank body, it will be discharged through the sewage discharge pipe. The filter device provided has a large displacement and high efficiency, which can greatly shorten the construction period and save costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments:

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the three-dimensional structure of the filter cartridge of the utility model;

[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of the connection between the filter cartridge and the filter cloth of the utility model;

[0016] Figure 4 It is a three-dimensional structural schematic diagram of the clamping device of the utility model;

[0017] Figure 5 It is a schematic diagram of the connection structure of the clamping device, filter cartridge, fixing ring and cartridge of the utility model;

[0018] Figure 6 It is a partially enlarged three-dimensional structural schematic diagram of the locking device of the utility model. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods:

[0020] A centrifugal high-efficiency precipitation filtering device comprises a tank body 1, wherein a fixing ring 2 is provided at the bottom of the tank body 1, wherein the fixing ring 2 is rigidly connected to a cartridge 3, wherein a filter cartridge 4 is connected to the cartridge 3, wherein the lower part of the filter cartridge 4 is sleeved outside the cartridge 3, wherein the bottom of the filter cartridge 4 contacts the top surface of the fixing ring 2, wherein the filter cartridge 4 is covered with filter holes 41, wherein the top and the outer wall of the filter cartridge 4 are wrapped with a layer of filter cloth 42, wherein a clamping device 5 is provided at the top of the filter cartridge 4, wherein the clamping device 5 comprises a pressure plate 51, wherein the pressure plate 51 is pressed on the top of the filter cartridge 4, wherein the diameter of the pressure plate 51 is larger than the outer diameter of the filter cartridge 4, wherein the pressure plate 51 is connected to a cover plate 53 via a plurality of connecting columns 52, wherein all the connecting columns 52 are arranged in a circular array Distribution, the cover plate 53 is in a circular ring shape, the cover plate 53 is arranged on the outer top of the tank body 1, the outer wall of the cover plate 53 is provided with a plurality of ears 54 in a circular array, the ears 54 include a slot 55, and a locking device 6 is provided at the top of the tank body 1 corresponding to each ear 54, the locking device 6 includes two ear plates 61, and the ear plates 61 are provided with a connecting hole 62, a horizontal axis 63 is connected between the two ear plates 61, and both ends of the horizontal axis 63 are rotatably arranged in a connecting hole 62, a screw rod 64 is rigidly connected to the middle part of the horizontal axis 63, and the screw rod 64 is threadedly connected to the locking nut 65, and the screw rod 64 is stuck in the slot 55 when it is in a vertical state, and one side of the lower part of the tank body 1 is connected to the sewage pipe 11.

[0021] Furthermore, the filter cloth 42 is made of nylon.

[0022] Furthermore, the cover plate 53 is connected to a water inlet pipe 7 .

[0023] Furthermore, the bottom of the tank body 1 is connected to a water outlet pipe 8 .

[0024] Furthermore, a plurality of supporting legs 9 are connected to the bottom of the tank body 1 .

[0025] Furthermore, the filter cartridge 4 is made of metal.

[0026] When the centrifugal high-efficiency precipitation filtering device is in use, sewage mixed with dirt such as mud and sand enters from the water inlet pipe 7, and the sewage is dispersed from the space between the cover plate 53 and the pressure plate 51 to the outside of the filter cartridge 4 in the tank body 1. Pure water will enter the inside of the filter cartridge 4 through the filter cloth 42 and the wall of the filter cartridge 4, and flow out of the tank body through the cartridge 3, enter the water outlet pipe 8 for discharge, and dirt such as mud and sand mixed in the sewage will remain outside the filter cartridge 4 and the filter cloth 42 in the tank body 1. When a certain amount of dirt accumulates in the tank body 1, it will be discharged through the sewage discharge pipe 11.

[0027] The filter device provided has high filtering efficiency and large drainage capacity.

[0028] The specific implementation of the utility model is described in detail above, but it is only used as an example. The utility model is not limited to the specific implementation cases described above, and equivalent modifications to the utility model are also within the protection scope of the utility model.

Claims

1. A centrifugal high-efficiency precipitation filter device, characterized in that: The invention comprises a tank body (1), wherein a fixing ring (2) is provided at the bottom of the tank body (1), wherein the fixing ring (2) is rigidly connected to a cartridge (3), wherein the cartridge (3) is connected to a filter cartridge (4), wherein the lower part of the filter cartridge (4) is sleeved outside the cartridge (3), wherein the bottom of the filter cartridge (4) contacts the top surface of the fixing ring (2), wherein the filter cartridge (4) is covered with filter holes (41), wherein the top and outer wall of the filter cartridge (4) are wrapped with a layer of filter cloth (42), wherein a clamping device (5) is provided at the top of the filter cartridge (4), wherein the clamping device (5) comprises a pressure plate (51), wherein the pressure plate (51) is pressed on the top of the filter cartridge (4), wherein the diameter of the pressure plate (51) is larger than the outer diameter of the filter cartridge (4), and wherein the pressure plate (51) is connected to a cover plate (53) via a plurality of connecting columns (52), wherein all the connecting columns (52) are in the form of The cover plate (53) is arranged in a circular array, the cover plate (53) is arranged on the outer top of the tank body (1), the outer wall of the cover plate (53) is provided with a plurality of ears (54) in a circular array, the ears (54) include a slot (55), a locking device (6) is provided at the top of the tank body (1) corresponding to each ear (54), the locking device (6) includes two ear plates (61), the ear plates (61) are provided with a connecting hole (62), a transverse axis (63) is connected between the two ear plates (61), both ends of the transverse axis (63) are rotatably arranged in a connecting hole (62), a screw rod (64) is rigidly connected to the middle of the transverse axis (63), the screw rod (64) is threadedly connected to a locking nut (65), and the screw rod (64) is stuck in the slot (55) when it is in a vertical state; One side of the lower portion of the tank body (1) is connected to a sewage discharge pipe (11).

2. The centrifugal high-efficiency precipitation filtering device according to claim 1 is characterized in that: The filter cloth (42) is made of nylon.

3. The centrifugal high-efficiency precipitation filtering device according to claim 1 is characterized in that: The cover plate (53) is connected to a water inlet pipe (7).

4. The centrifugal high-efficiency precipitation filtering device according to claim 1 is characterized in that: The bottom of the tank body (1) is connected to a water outlet pipe (8).

5. The centrifugal high-efficiency precipitation filtering device according to claim 1 is characterized in that: A plurality of supporting legs (9) are connected to the bottom of the tank body (1).

6. The centrifugal high-efficiency precipitation filtering device according to claim 1 is characterized in that: The filter cartridge (4) is made of metal.

Images