Sewage hoisting well
By installing a bar screen filtration system in the sewage lift-up well and incorporating a design that facilitates maintenance, the problem of submersible pumps being damaged by debris has been solved, thus achieving convenient protection and maintenance of the equipment.
Patent Information
- Application Number
- CN202422909040.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-27
AI Technical Summary
In existing sewage lift wells, submersible pumps are prone to damage from solid particles and suspended solids, leading to equipment failure and maintenance difficulties.
Two screens, a coarse screen and a fine screen, are installed in the sewage lifting well to filter debris of different sizes. The screens are fixed with U-shaped channel steel and hooks to prevent debris from entering the submersible pump. Anti-fall nets and ladders are provided for easy maintenance.
It effectively prevents solid particles and suspended matter from entering the submersible pump, protects the equipment, simplifies the maintenance process, and improves the reliability and maintenance efficiency of the equipment.
Smart Images
Figure CN223510436U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sewage treatment technical field especially relates to a sewage lifting well. BACKGROUND
[0002] The lifting well is the facility that sewage at low liquid level is lifted to the high liquid level treatment equipment, and the sewage of farmer's toilet flows into the buried septic tank through the pipeline, and after the sewage is deposited and treated in the septic tank, the supernatant liquid is discharged into the collecting well or the nearby inspection well with the sewage that is discharged from the kitchen of the farmer after oil removal and residue removal and the sewage of bathing and washing, and enters the sewage collection pipe network.The domestic sewage collected through the pipe network is collected by the sewage main, and flows to the sewage lifting well by gravity, the underground sewage is lifted to a certain height in the lifting well, and then flows into the sewage treatment plant, but there are large solid particles and suspended matters in the sewage, when these sundries enter the lifting well and are sucked by the submersible pump in the well, the submersible pump is damaged. CONTENT
[0003] The utility model aims at providing a sewage lifting well, which has the advantages.
[0004] The above technical purpose of the utility model is realized by the following technical scheme.
[0005] A sewage lifting well, including well body one, the bottom of well body one is placed with submersible pump, the opening part of well body one is integrally formed with cover plate, the cover plate is provided with two well mouths, the well mouth is covered with well lid, the other side wall of well body one is provided with water outlet, and the water outlet is provided with water outlet pipe, and the water outlet pipe is communicated with submersible pump through hose, the side of well body one is integrally formed with well body two, well body one and well body two share a side wall, the side wall shared by the two well bodies is provided with connecting port, the distance from water outlet to the bottom of well body one is greater than the distance from connecting port to the bottom of well body one, the inside of well body two is provided with two gratings, the two gratings are connected with the two side walls of well body two through connecting piece, the other side wall of well body two adjacent to the side wall where connecting port is located is provided with water inlet, and the two gratings are located between water inlet and connecting port.
[0006] By the above technical scheme, the sewage flows into the inside of well body two from the water inlet of well body two, and the large solid particles and suspended matters in the sewage are blocked by the gratings and remain in well body two, so that the sundries are prevented from flowing into well body one with the sewage and being sucked by the submersible pump in well body one, and the submersible pump is prevented from being damaged, in well body one, the submersible pump lifts the sewage to the water outlet pipe at the water outlet, and then the sewage flows to the sewage treatment facility from the water outlet pipe.
[0007] Preferably, the two grids are a coarse grid and a fine grid, the gap of the coarse grid is larger than that of the fine grid, the coarse grid is close to the water inlet of the well body two, and the fine grid is close to the connecting port.
[0008] According to the technical scheme, when the sewage enters the well body two, the large impurities in the water are filtered by the coarse grid first, and then the small impurities are filtered by the fine grid, and finally the sewage flows into the well body one from the connecting pipe.
[0009] Preferably, the connecting piece comprises a U-shaped channel steel, the two sides of each grid are respectively provided with a U-shaped channel steel, the two sides of the U-shaped channel steel close to the two ends are respectively fixedly connected with connecting pieces, the back surface of the U-shaped channel steel slot and the connecting pieces are in contact with the side wall of the well body two, the connecting pieces are fixedly connected with the side wall of the well body two through expansion screws and nuts, and the two side walls of the grid are respectively embedded in the slots of the two U-shaped channel steels, and the grid is in sliding connection with the U-shaped channel steel.
[0010] According to the technical scheme, the grid can be pulled out upward, so that the grid is separated from the U-shaped channel steel.
[0011] Preferably, a fall-preventing net is installed in the well body two through hooks close to the well mouth of the well body two, the hooks are arranged on the inner wall of the well body two, the hooks are steel expansion screw hooks, the steel expansion screws of the hooks are screwed into the inner wall of the well body two, so that the hooks are fixed on the inner wall of the well body two, and the hooks hook the meshes of the fall-preventing net.
[0012] According to the technical scheme, the safety is improved.
[0013] Preferably, a ladder is fixedly connected to the inner side wall of the well body one, and the ladder is located below one of the well mouths of the well body one.
[0014] According to the technical scheme, the inside of the well body one can be entered through the ladder for maintenance.
[0015] Preferably, a flow meter and a valve are arranged on the side wall outside the well body one, and a well body three is further arranged, the well body three is located on the side of the well body one, and the flow meter and the valve are arranged in the well body three.
[0016] According to the technical scheme, the flow of the sewage in the water outlet pipe can be measured, and the flow can be adjusted through the valve. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a top view of an embodiment;
[0018] Figure 2 It is a top view of an internal structure of an embodiment;
[0019] Figure 3 It is an A-A sectional view;
[0020] Figure 4 is a B-B sectional view;
[0021] Figure 5 is a C-C sectional view;
[0022] Figure 6 is a plan view of the well body two.
[0023] Reference signs: 1, well body one; 2, submersible pump; 3, well lid; 4, water outlet pipe; 5, hose; 6, grating; 7, water inlet; 8, connecting port; 9, U-shaped channel steel; 10, connecting plate; 11, anti-falling net; 12, hook; 13, ladder; 14, flow meter; 15, valve; 16, well body three. DETAILED DESCRIPTION
[0024] The following description is only a preferred embodiment of the present application, and the protection scope is not limited to the embodiment only, and any technical solution falling within the concept of the present application should fall within the protection scope of the present application. It should be pointed out that, for ordinary skilled in the art, some improvements and refinements without departing from the principle of the present application should also be considered as falling within the protection scope of the present application.
[0025] See Figures 1 to 6 A sewage lifting well comprises a well body one 1, a cover plate integrally formed at an opening of the well body one 1, two well mouths formed in the cover plate, a step formed on an inner wall of the well mouth, a well lid 3 placed on the step, a ladder 13 fixedly connected to an inner wall of the well body one 1, the ladder 13 located below one of the well mouths of the well body one 1, a submersible pump 2 placed at a bottom of the well body one 1, a well body two integrally formed at a side of the well body one 1, a common side wall of the well body one 1 and the well body two, a connecting port 8 formed in the common side wall of the two well bodies, a step formed on an inner wall around an upper well mouth of the well body two, two well lids 3 placed on the step of the well body two, an anti-falling net 11 installed on the inner wall of the well body two through hooks 12, the hooks 12 being multiple and located around the inner wall of the well body two, the hooks 12 being steel expansion hooks 12, the steel expansion hooks 12 being screwed into the inner wall of the well body two to fix the hooks 12 on the inner wall of the well body two, the hooks 12 hooking mesh of the anti-falling net 11. Another side wall of the well body two adjacent to the side wall where the connecting port 8 is located is provided with a water inlet 7, another side wall of the well body one 1 is provided with a water outlet, a distance from the water outlet to the bottom of the well body one 1 is greater than a distance from the connecting port 8 to the bottom of the well body one 1, the water outlet is provided with a water outlet pipe 4, the water outlet pipe 4 is communicated with the submersible pump 2 through a hose 5, and the well body three 16 is further provided, the well body three 16 is located at a side of the well body one 1, the water outlet pipe 4 penetrates out of the water outlet of the well body one 1 and enters the well body three 16, the flow meter 14 and the valve 15 are installed on a side wall of the water outlet pipe 4, and the flow meter 14 and the valve 15 are located in the well body three 16.
[0026] See Figures 3 to 4 , the well body two inside is provided with two grating 6, two grating 6 is located between the water inlet 7 and the connecting port 8, and two grating 6 is respectively coarse grating 6 and fine grating 6, the gap of coarse grating 6 is greater than the gap of fine grating 6, coarse grating 6 is close to well body two water inlet 7, fine grating 6 is close to connecting port 8, the side wall of each grating 6 is fixedly connected with U type channel steel 9, U type channel steel 9 is close to the both sides of its two ends respectively welded with connecting piece 10, connecting piece 10 is provided with screw hole, the back of U type channel steel 9 slot and connecting piece 10 contact with the side wall of well body two, the screw hole of connecting piece 10 is worn with expansion screw, and expansion screw is hit into the side wall of well body two, expansion screw is set with nut, connecting piece 10 is located between the side wall of well body two and nut, connecting piece 10 is pressed on the side wall of well body two by screwing nut, so that connecting piece 10, U type channel steel 9 and the side wall of well body two are fixed, the side wall of grating 6 is respectively embedded in the slot of its both sides U type channel steel 9, grating 6 can be pulled out from the both sides of U type channel steel 9.
[0027] Working principle: sewage from the water inlet 7 of well body two, flows into its inside, first passes through coarse grating 6 to filter out slightly larger sundries in water, then passes through fine grating 6 to filter out slightly smaller sundries, then flows to the connecting port 8 of well body two, and then flows into well body one 1 from connecting port 8, the larger solid particles and suspended solids filtered out are left in well body two to prevent them from flowing into well body one 1 with sewage, in well body one 1, the sewage is lifted to the outlet pipe 4 at the water outlet by submersible pump 2, and then flows to sewage treatment facility from outlet pipe 4, when well body one 1 and well body two are overhauled, the well lid 3 of well body two can be opened, the anti-falling net 11 is removed, the grating 6 is pulled out from the both sides of U type channel, the sundries intercepted on grating 6 are cleaned to prevent sundries from accumulating and affecting subsequent interception; the well lid 3 above the ladder 13 of well body one 1 is opened, the ladder 13 is used to enter well body one 1, and the submersible pump 2 and the pipeline are overhauled, or the well lid 3 of the other well mouth of well body one 1 is opened, and the deposited silt and small and medium-sized sundries in well body one 1 are sucked out from the well mouth by using excrement suction vehicle or other special suction tools.
Claims
1. A sewage lifting well, comprising a well body (1), wherein a submersible pump (2) is placed at the bottom of the well body (1), a cover plate is integrally formed at the upper opening of the well body, the cover plate has two well openings covered with well covers (3), a water outlet is provided on the side wall of the well body (1), the water outlet is connected to a water outlet pipe (4), and a flexible hose (5) connects the water outlet pipe (4) and the submersible pump (2), characterized in that, Well body one (1) is integrally formed with well body two on the side. Well body one (1) and well body two share a side wall. The side wall shared by the two well bodies is provided with a connection port (8). The distance from the outlet to the bottom of well body one (1) is greater than the distance from the connection port (8) to the bottom of well body one (1). Two grids (6) are provided inside well body two. The two sides of the grids (6) are connected to the two side walls of well body two through connectors. The other side wall of well body two adjacent to the side wall where the connection port (8) is located is provided with a water inlet (7). The two grids (6) are located between the water inlet (7) and the connection port (8).
2. A sewage lifting well according to claim 1, characterized in that, The two screens (6) are a coarse screen (6) and a fine screen (6), respectively. The gap of the coarse screen (6) is larger than that of the fine screen (6). The coarse screen (6) is close to the second water inlet (7) of the well body, and the fine screen (6) is close to the connection port (8).
3. A sewage lifting well according to claim 1, characterized in that, The connector includes a U-shaped channel steel (9). Each grid (6) has a U-shaped channel steel (9) on both sides. A connecting piece (10) is fixedly connected to the two sides of the U-shaped channel steel (9) near its two ends. The back of the groove of the U-shaped channel steel (9) and the connecting piece (10) are in contact with the two side walls of the well body. The connecting piece (10) is fixedly connected to the two side walls of the well body by expansion bolts and nuts. The two side walls of the grid (6) are respectively embedded in the groove of the U-shaped channel steel (9) on both sides. The grid (6) and the U-shaped channel steel (9) are slidably connected.
4. A sewage lifting well according to claim 1, characterized in that, Inside the well body two, near its opening, a fall protection net (11) is installed via hooks (12). There are multiple hooks (12), which are located around the inner wall of the well body two. The hooks (12) are steel expansion screw hooks (12). The steel expansion screws of the hooks (12) are driven into the inner wall of the well body two, thereby fixing the hooks (12) to the inner wall of the well body two. The hooks (12) hook the mesh of the fall protection net (11).
5. A sewage lifting well according to claim 1, characterized in that, A ladder (13) is fixedly connected to the inner side wall of the well body (1), and the ladder (13) is located below one of the well openings of the well body (1).
6. A sewage lifting well according to claim 1, characterized in that, The outlet pipe (4) is equipped with a flow meter (14) and a valve (15) on the side wall outside the well body. A well body three (16) is also provided. The well body three (16) is located on the side of the well body one (1), and the flow meter (14) and the valve (15) are located in the well body three (16).