CN216878212U - Novel sewage pump inlet filtering device - Google Patents

Abstract

The utility model relates to a sewage pump inlet filtering device in a water treatment system, in particular to a novel sewage pump inlet filtering device which solves the problem that a sewage pump is frequently blocked and blocked or even a matched motor of the sewage pump is burnt in an overload manner to seriously restrict production in the subsequent treatment process of the conventional sewage treatment system by using extremely low energy consumption. The scheme of the utility model is as follows: the inlet main pipe of the sewage pump extends out of the sewage pool by a certain height, and a filter mantle with a microporous filter screen at the bottom end is arranged outside to form a siphon channel; the filter mantle sets up low rotational speed revolving frame outward, and the frame bottom sets up nylon brush silk structure at the position of filter mantle micropore filter screen and rotates along with revolving frame synchronous revolution, and nylon brush silk brushes except holding back the debris in the filter mantle outside constantly. The utility model realizes the removal of large-particle-size sundries carried by the sewage at the inlet of the pump in a low energy consumption mode, ensures the stable operation of the sewage pump and avoids the condition that the production of the sewage pump is restricted due to frequent failure caused by inlet blockage.

Description

Novel sewage pump inlet filtering device

Technical Field

The utility model relates to a sewage pump inlet filtering device in the sewage treatment industry, in particular to a novel sewage pump inlet filtering device.

Background

The environmental protection industry for protecting water resources and reducing water pollution is emerging, various novel processes and various novel technologies emerge endlessly, any process technology related to sewage treatment can be applied to centrifugal sewage pump equipment, and sewage is usually pretreated to remove impurities with large particle size before entering a sewage pump. At present, mechanical equipment such as a rake-tooth type coarse and fine grid sewage removing machine, an inner diameter flow sewage removing machine, a rotary filter screen sewage removing machine and the like are usually adopted in a sewage pretreatment stage to remove large-particle-size impurities in sewage, so that normal operation of subsequent treatment facilities is protected, however, actual operation conditions are not ideal, a sewage pump in a subsequent treatment process is blocked frequently, even a motor matched with the sewage pump is burnt in an overload mode, and stable operation of the whole process is seriously influenced.

Therefore, aiming at the current situation, it is necessary and urgent to design a novel sewage pump inlet anti-blocking filtering device with low energy consumption.

Disclosure of Invention

The utility model solves the problem that the sewage pump is easy to block and rotate, even the matched motor is burnt in an overload way to restrict and influence the production in the sewage treatment process, and provides a novel sewage pump inlet filtering device with extremely low energy consumption.

The utility model is realized by the following technical scheme: a novel sewage pump inlet filtering device comprises a sewage pump inlet main pipe and a filter cover, wherein the sewage pump inlet main pipe is pre-embedded in the ground, one pipe end of the sewage pump inlet main pipe vertically rises out of the bottom surface of a sewage pool to a certain height in the sewage pool, an inner threaded hole connecting pipe is arranged inside the raised pipe end, and the other pipe end of the sewage pump inlet main pipe extends out of the ground and is connected with a sewage pump outside the sewage pool; the outer part of a sewage pump inlet main pipe which is lifted out of the bottom surface of the sewage pool in the pool is provided with a filter mantle, the filter mantle covers the sewage pump inlet main pipe in the sewage pool, the bottom end of the filter mantle is attached to the bottom surface of the sewage pool, the top end of the filter mantle is closed and is connected with a bolt for a screw hole connecting pipe in the top end of the sewage pump inlet main pipe, the periphery of the lower part of the filter mantle is provided with filter holes, and a microporous filter belt is formed at the lower part of the filter mantle. The sewage pump inlet main pipe which rises out of the bottom surface of the sewage pool to a certain height forms a siphon channel with the filter cover, and sewage enters the sewage pump inlet main pipe from the filter hole at the lower part of the filter cover and then enters the sewage pump.

According to the novel sewage pump inlet filtering device, the rotary frame device is arranged outside the filter hood and comprises the rotary frame and the nylon brush wire device, the nylon brush wire device comprises a nylon brush wire annular fixing device, the nylon brush wire annular fixing device is sleeved outside the rotary frame and is vertically arranged on the rotary frame in a sliding manner, nylon brush wire clamping plates are symmetrically fixed on the nylon brush wire annular fixing device, and nylon brush wires are further fixed on the nylon brush wire clamping plates; the rotating frame is suspended in the sewage tank, the upper end of the rotating frame extends out of the sewage tank and is connected with the rotating driving mechanism, the rotating driving mechanism drives the rotating frame to rotate, and the rotating frame covers the filter cover. When the nylon brush wire device works, the nylon brush wire device is positioned at the bottom of the rotating frame, the nylon brush wire fixed on the nylon brush wire clamping plate is just stuck to a filter hole of the filter cover, the nylon brush wire device and the rotating frame synchronously rotate together, and the nylon brush wire brushes sundries intercepted on the filter hole belt constantly.

Foretell novel sewage pump import filter equipment is provided with vertical guide rail on the revolving frame, and nylon brush silk ring is to last symmetrical configuration two groups ceramic ball rolling bearing group of fixing device, and nylon brush silk ring is to fixing device and passes through ceramic ball rolling bearing group and slide the setting on the guide rail.

Foretell a novel sewage pump import filter equipment is provided with the lug on the nylon brush silk hoop fixing device, can hoist the split at any time and overhaul.

The utility model has the following advantages: 1. the problem that the production is seriously restricted due to frequent blockage of the inlet of the sewage pump is really solved; 2. a nylon rotary brush rotary cleaning mechanism is utilized to ensure that the filter holes are always in a non-blocking state; 3. by utilizing the siphon principle, sewage in the sewage tank can be pumped thoroughly; 4. the nylon brush wire annular fixing device main body is a narrow ring, is light in weight and can be hoisted and disassembled at any time for maintenance; 5. the working efficiency of the sewage pump is greatly improved; 6. the energy consumption of the filtering device is extremely low, and the power of a matched motor is less than 0.5 Kw; 7. reasonable structure and convenient and fast operation.

Drawings

FIG. 1 is a schematic view of the inlet main pipe of the sewage pump.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic view of a filter cover structure.

Fig. 4 is an assembly schematic diagram of a water inlet pipe and a filter cover of the sewage pump, wherein arrows indicate the flow direction of sewage, and the sewage firstly enters a gap between a sewage pump inlet main pipe and the filter cover through a microporous filter belt, then enters the sewage pump inlet main pipe, and finally enters the sewage pump.

Fig. 5 is a schematic structural view of the rotating frame device.

Fig. 6 is a top view of fig. 5.

Fig. 7 is a schematic view of the assembly of the inlet filtering structure of the novel sewage pump.

In the figure: 1-a sewage pump inlet main pipe, 2-a filter cover, 3-a sewage pool bottom surface, 4-an internal screw hole connecting pipe, 5-a microporous filter belt, 6-a rotating frame, 7-a nylon brush wire circumferential fixing device, 8-a nylon brush wire clamping plate, 9-a nylon brush wire and 10-a rotating driving mechanism.

Detailed Description

A novel sewage pump inlet filtering device comprises a sewage pump inlet main pipe 1, a filter cover 2 and a rotating frame device.

The sewage pump inlet main pipe 1 is pre-buried in the ground, one pipe end of the sewage pump inlet main pipe 1 vertically rises out of the bottom surface 3 of the sewage pool to a certain height in the sewage pool, an internal screw hole connecting pipe 4 is arranged inside the rising pipe end, and the other pipe end of the sewage pump inlet main pipe 1 extends out of the ground and is connected with a sewage pump outside the sewage pool; a filter mantle 2 with a certain diameter is arranged outside a sewage pump inlet main pipe 1 which is lifted out of the bottom surface 3 of the sewage pool in the pool, the filter mantle 2 covers the sewage pump inlet main pipe 1 in the sewage pool, the bottom end of the filter mantle 2 is attached to the bottom surface 3 of the sewage pool, the top end of the filter mantle is closed and is connected with a screw hole connecting pipe in the top end of the sewage pump inlet main pipe through a bolt, and filter holes with a certain diameter are arranged at the proper position of the lower part of the filter mantle 2 around the periphery to form a microporous filter belt 5; a rotary frame device rotating for several revolutions per minute is arranged on the periphery of the filter cover.

The rotary frame device comprises a rotary frame 6 and a nylon brush wire device, the nylon brush wire device comprises a nylon brush wire annular fixing device 7, the main body of the nylon brush wire annular fixing device 7 is a narrow ring, two groups of ceramic ball rolling bearing groups are symmetrically arranged on the narrow ring, the nylon brush wire annular fixing device can slide up and down along a guide rail (channel steel) of the rotary frame 6 and synchronously rotate along with the rotary frame, a lifting lug is arranged on the narrow ring, the nylon brush wire clamping plate 8 is divided into four groups, the nylon brush wire clamping plates are symmetrically fixed on the narrow ring, and nylon brush wires 9 are further fixed on the nylon brush wire clamping plate 8; the rotary frame 6 is suspended in the sewage tank, the upper end of the rotary frame extends out of the sewage tank and is connected with a common cycloid pin gear speed reducing mechanism, the cycloid pin gear speed reducing mechanism drives the rotary frame to rotate, the rotary frame 6 covers the filter cover, a vertical guide rail is arranged on the rotary frame 6, the nylon brush wire device is arranged on the guide rail in a sliding mode through the ceramic ball rolling bearing group, the nylon brush wire device is located at the bottom of the guide rail during operation, and the nylon brush wires 9 fixed on the nylon brush wire clamping plate are just attached to filter holes of the filter cover.

The sewage pump inlet main pipe 1 which is lifted out of the bottom plate of the sewage pool by a certain height and the filter mantle 2 form a siphon channel, and sewage enters the sewage pump inlet main pipe from the filter hole at the lower part of the filter mantle; the nylon brush wires brush out impurities blocked on the filter holes under the driving of the rotating frame 6, so that the inlet of the pump is ensured to be free from blockage, and the problem of blockage of the inlet of the existing sewage pump frequently is solved.

The nylon brush wire device is provided with a lifting lug and can be lifted at any time for maintenance; the nylon brush wire device synchronously rotates along with the rotating frame through the bearing sliding group, and the nylon brush wire brushes sundries intercepted on the filter hole belt at any time; the inlet main pipe 1 of the sewage pump is connected with the top of the external filter cover 2 by bolts, so that the filter cover can be firmly pressed and is not influenced by buoyancy; the rotating frame 6 is driven by a cycloidal pinwheel speed reducer, the running speed is several revolutions per minute, the rotating swing amplitude of the rotating frame 6 is small to negligible, and the brushing efficiency of the nylon brush wires is ensured.

Claims (4)

1. The utility model provides a novel sewage pump import filter equipment which characterized in that: the sewage pump inlet main pipe (1) is embedded in the ground, one pipe end of the sewage pump inlet main pipe vertically rises out of the bottom surface (3) of the sewage pool to a certain height in the sewage pool, an inner threaded hole connecting pipe (4) is arranged inside the raised pipe end, and the other pipe end of the sewage pump inlet main pipe extends out of the ground and is connected with a sewage pump outside the sewage pool; a sewage pump inlet main pipe (1) which is lifted out of a sewage tank bottom surface (3) in the tank is externally provided with a filter cover (2), the filter cover (2) covers the sewage pump inlet main pipe (1) in the sewage tank, the bottom end of the filter cover (2) is attached to the sewage tank bottom surface (3), the top end of the filter cover is closed and is connected with a screw hole connecting pipe (4) in the top end of the sewage pump inlet main pipe through a bolt, filter holes are formed in the periphery of the lower part of the filter cover, and a microporous filter belt (5) is formed in the lower part of the filter cover.

2. The novel sump pump inlet filter assembly of claim 1, further comprising: a rotating frame device is arranged outside the filter hood (2), the rotating frame device comprises a rotating frame (6) and a nylon brush wire device, the nylon brush wire device comprises a nylon brush wire annular fixing device (7), the nylon brush wire annular fixing device (7) is vertically arranged on the rotating frame (6) in a sliding mode, nylon brush wire clamping plates (8) are symmetrically fixed on the nylon brush wire annular fixing device (7), and nylon brush wires (9) are further fixed on the nylon brush wire clamping plates (8); the rotating frame (6) is suspended in the sewage tank, the upper end of the rotating frame extends out of the sewage tank and is connected with the rotating driving mechanism, the rotating driving mechanism drives the rotating frame to rotate, and the rotating frame (6) covers the filter cover (2).

3. The novel sump pump inlet filter assembly of claim 2, further comprising: a vertical guide rail is arranged on the rotating frame (6), two groups of ceramic ball rolling bearing groups are symmetrically arranged on the nylon brush wire annular fixing device (7), and the nylon brush wire annular fixing device (7) is arranged on the guide rail in a sliding mode through the ceramic ball rolling bearing groups.

4. The novel sewage pump inlet filter apparatus of claim 2 or 3, wherein: the nylon brush wire annular fixing device (7) is provided with a lifting lug which can be lifted, disassembled and maintained at any time.

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