Sewage treatment device and sewage treatment system utilizing residual pressure of municipal pipeline

Abstract

The utility model discloses a sewage treatment device and a sewage treatment system utilizing residual pressure of municipal pipelines. The sewage treatment device comprises a filter cavity, a piston plate is slidably arranged at the right end of the filter cavity, a piston rod is fixedly arranged on the right side of the piston plate, a filter plate is fixedly arranged at the left end of the filter cavity, and a water inlet pipe and an emptying pipe are arranged between the piston plate and the filter plate and communicate with the filter cavity. The water outlet pipe is arranged between the filtering plate and the left end wall of the filtering cavity, a waterproof covering plate is rotationally arranged on the left side of the filtering plate, and a one-way valve is arranged at a port of the water inlet pipe. The device can be directly butted with a municipal water supply pipeline for use, and is small in occupied area and convenient to maintain and control; power equipment does not need to be additionally arranged, the surplus water head of the excess pressure of the municipal pipeline is directly used as power to drive the sewage treatment device for cleaning, the sewage treatment cost is effectively reduced, the excess pressure of the water supply pipeline can be directly converted into mechanical energy, and the energy conversion efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely relates to a sewage treatment device and sewage treatment system using municipal pipeline residual pressure. BACKGROUND

[0002] The common sewage treatment method at present includes physical treatment and chemical treatment, the physical treatment includes filtration method and sedimentation method, and the chemical treatment is to eliminate impurities in sewage or to remove impurities by filtering again by using chemical reagent.

[0003] The common domestic grey water or rainwater and other slightly polluted water in daily life has the characteristics of slight pollution degree and large water volume, and the slightly polluted water can be reused by slightly treating, such as being used for greening irrigation, ground washing, toilet flushing and the like.

[0004] Although the existing domestic sewage treatment equipment can clean by multiple procedures, the domestic sewage or rainwater needs to be transported to a specific sewage treatment plant for centralized treatment by using a drainage pipeline after leaving a drainage area, the pipeline distance is long, the treatment and use of the slightly polluted water are inconvenient, resources are wasted, a special power device needs to be arranged to drive the operation of the sewage treatment equipment, and the treatment cost of the slightly polluted water is high.

[0005] The municipal water supply pipeline generally operates with pressure and stable flow, and often has a certain surplus water head, therefore, how to effectively utilize the surplus water head of the municipal water supply pipeline, and urgently need a sewage treatment device and sewage treatment system for slightly polluted water such as domestic grey water or rainwater, which has low treatment cost, is convenient to use, is convenient to maintain and has simple control. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a sewage treatment device and sewage treatment system using municipal pipeline residual pressure to solve the technical problems in the background art.

[0007] In order to alleviate or partially alleviate the above technical problems, the solution of the utility model is as follows:

[0008] A sewage treatment device using municipal pipeline residual pressure, comprising a filter cavity, a piston plate, a piston rod, a filter plate, a waterproof cover plate, a one-way valve, a water inlet pipe, a water outlet pipe and an emptying pipe;

[0009] The piston plate is arranged at the right end of the filter cavity, and the piston plate can reciprocate in the filter cavity;

[0010] The piston rod is fixedly arranged on one side of the piston plate close to the right end wall of the filter cavity;

[0011] The filter plate is fixedly arranged at the left end of the filter cavity;

[0012] The water inlet pipe and the emptying pipe are arranged in communication with the filter cavity, and both of them are arranged between the filter plate and the piston plate;

[0013] The water outlet pipe is arranged in communication with the filter cavity, and is arranged between the filter plate and the left end wall of the filter cavity;

[0014] The waterproof cover plate is arranged on the side of the filter plate away from the piston plate, and one end of the waterproof cover plate can rotate relative to the filter plate;

[0015] The one-way valve is arranged on the water inlet pipe.

[0016] Further, a stop valve I is arranged on the water outlet pipe.

[0017] Further, a stop valve II is arranged on the emptying pipe.

[0018] Further, a filter membrane is arranged on the side of the filter plate close to the piston plate.

[0019] Further, the piston plate is arranged in sliding connection with the filter cavity.

[0020] Further, an exhaust hole is arranged on the top of the right end of the filter cavity.

[0021] In addition, the utility model also provides a sewage treatment system using municipal pipeline residual pressure, including hydraulic runner, speed reducer, crankshaft and above-mentioned sewage treatment device.

[0022] The hydraulic runner is arranged in the municipal water supply pipeline.

[0023] The output end of the hydraulic runner is fixedly connected with the crankshaft through the speed reducer.

[0024] The crankshaft is rotatably arranged in the filter cavity, and the crankshaft is rotatably connected with the piston rod.

[0025] Further, the water inlet pipe is connected with the sewage storage tank, and the water outlet pipe is connected with the clean water storage tank.

[0026] Further, the hydraulic runner is a turbine.

[0027] The technical scheme of the utility model has one or more of the following beneficial technical effects:

[0028] (1) the sewage treatment device using municipal pipeline residual pressure of the utility model can be directly connected with the municipal water supply pipeline for use, has small floor area, is convenient for maintenance and control, and has backwashing self-cleaning function;

[0029] (2) The sewage treatment device using municipal pipeline residual pressure of the utility model does not need to set power equipment additionally, directly uses the surplus water head of municipal pipeline residual pressure as power to drive the sewage treatment device to clean, effectively reduces the cost of sewage treatment;

[0030] (3) The utility model can directly convert the residual pressure of municipal water supply pipeline into mechanical energy to supply sewage treatment system, and the energy conversion efficiency is high.

[0031] In addition, other beneficial effects of the utility model will be mentioned in specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is a structure schematic view of a sewage treatment device using municipal pipeline residual pressure of the utility model;

[0033] Figure 2 It is a structure schematic view of a sewage treatment system using municipal pipeline residual pressure of the utility model.

[0034] Wherein: 1, filter cavity, 2, piston plate, 3, piston rod, 4, crankshaft, 5, filter plate, 6, waterproof cover plate, 7, water inlet pipe, 8, water outlet pipe, 9, emptying pipe, 10, check valve, 11, stop valve I, 12, stop valve II, 13, speed reducer, 14, hydraulic turbine, 15, municipal water supply pipeline, 16, exhaust hole. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme in the utility model will be described clearly and completely below by combining with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0036] In order to facilitate clear description of the technical scheme of the utility model embodiments, the same items or similar items with basically same functions and roles are distinguished by using "first", "second" and the like in the embodiments of the utility model. The skilled in the art can understand that "first", "second" and the like do not limit the quantity and execution order.

[0037] Figure 1 It is a structure schematic view of a sewage treatment device using municipal pipeline residual pressure of the utility model; Figure 2 It is a structure schematic view of a sewage treatment system using municipal pipeline residual pressure of the utility model.

[0038] REFERENCE Figure 1The utility model discloses a sewage treatment device utilizing municipal pipeline residual pressure, which comprises: a filter cavity 1, a piston plate 2, a piston rod 3, a filter plate 5, a waterproof cover plate 6, a water inlet pipe 7, a water outlet pipe 8, a emptying pipe 9 and a one-way valve 10.

[0039] The piston plate 2 is arranged at the right end of the filter cavity 1, and the piston plate 2 can reciprocate in the filter cavity 1.

[0040] The piston rod 3 is fixedly arranged on the side of the right end wall of the filter cavity 1 and close to the piston plate 2; the piston rod 3 can drive the piston plate 2 to move back and forth in the filter cavity 1 under the action of external force or the rotation of the crankshaft.

[0041] The filter plate 5 is fixedly arranged at the left end of the filter cavity 1.

[0042] The water inlet pipe 7 and the emptying pipe 9 are respectively arranged in communication with the filter cavity 1, and the water inlet pipe 7 and the emptying pipe 9 are arranged between the filter plate 5 and the piston plate 2.

[0043] The water inlet pipe 7 is in fluid communication with a sewage storage tank storing sewage, and when the piston plate 2 moves to the right in the filter cavity 1, the sewage in the sewage storage tank flows into the filter cavity 1 through the water inlet pipe 7.

[0044] The water outlet pipe 8 is arranged in communication with the filter cavity 1, and the water outlet pipe 8 is arranged between the filter plate 5 and the left end wall of the filter cavity 1.

[0045] The other end of the water outlet pipe 8 is in fluid communication with a clean water storage tank, and when the piston plate 2 moves to the left in the filter cavity 1, the clean water after filtration through the filter plate 5 flows into the clean water storage tank through the water outlet pipe 8 to be stored.

[0046] The waterproof cover plate 6 is arranged on the side of the filter plate 5 away from the piston plate 2, one end of the waterproof cover plate 6 is rotatably arranged relative to the filter plate 5, preferably, one end of the waterproof cover plate 6 is rotatably connected to the filter plate 5 through a hinge, and the activity of the waterproof cover plate 6 can be adjusted by adjusting the tension screw.

[0047] When the piston plate 2 moves to the right in the filter cavity 1, the waterproof cover plate 6 is tightly pressed on the filter plate 5 under the action of negative pressure in the filter cavity 1, so as to prevent the backflow of clean water; when the piston plate 2 moves to the left in the filter cavity 1, the free end of the waterproof cover plate 6 rotates away from the filter plate 5, so that the sewage in the filter cavity 1 is filtered through the filter plate 5 to remove impurities and form clean water after filtration.

[0048] The waterproof cover plate 6 is provided with an adjusting screw, and the opening degree of the waterproof cover plate 6 relative to the filter plate 5 can be adjusted by rotating the adjusting screw.

[0049] When the filter plate 5 needs to be cleaned because more impurities are accumulated on the side of the filter plate 5 close to the piston plate 2, the waterproof cover plate 6 is moved away from the filter plate 5 and kept at a certain opening degree by adjusting the tightness of the tension spring, and when the piston plate 2 moves to the right, the filtered clean water flows back and passes through the filter plate 5 to perform backwashing on the filter plate 5, so that the self-cleaning effect is achieved.

[0050] The one-way valve 10 is arranged on the water inlet pipe 7, and when the piston plate 2 moves to the right in the filter cavity 1, the one-way valve 10 is opened to allow sewage to flow into the filter cavity 1, and when the piston plate 2 moves to the left in the filter cavity 1, the one-way valve 10 is closed to prevent sewage from flowing back to the water inlet pipe 7.

[0051] Further, the water outlet pipe 8 is provided with a stop valve I 11.

[0052] Further, the emptying pipe 9 is provided with a stop valve II 12, and the emptying pipe 9 is used for discharging concentrated water and filter material backwashing water.

[0053] Further, the side of the filter plate 5 close to the piston plate 2 can be provided with a filter membrane, and the filter membrane can be provided with multiple layers to obtain different filtering effects.

[0054] Further, the piston plate 2 and the filter cavity 1 are slidably arranged.

[0055] Further, an air vent 16 is arranged at the top of the right end of the filter cavity 1, and is used for stabilizing the pressure change caused by the volume change of the right end of the filter cavity 1.

[0056] In addition, the utility model also provides a sewage treatment system using municipal pipeline residual pressure, including hydraulic runner 14, speed reducer 13, crankshaft 4 and above-mentioned sewage treatment device.

[0057] The hydraulic runner 14 is arranged in the municipal water supply pipeline 15, and the water under pressure in the municipal water supply pipeline 15 drives the hydraulic runner 14 to rotate.

[0058] The output end of the hydraulic runner 14 is rotationally connected with the crankshaft 4 through the speed reducer 13.

[0059] The crankshaft 4 is rotationally arranged in the filter cavity 1, and the crankshaft 4 is fixedly connected with the piston rod 3.

[0060] The water turbine 14 drives the crankshaft 4 to rotate through the speed reducer 13, so as to drive the piston rod 3 fixedly connected with the crankshaft 4 to reciprocate, and the piston rod 3 drives the piston plate 2 to reciprocate in the filter cavity 1.

[0061] Further, the water inlet pipe 7 is fluidly connected with the sewage storage tank, and the water outlet pipe 8 is fluidly connected with the clean water storage tank.

[0062] Further, the water turbine 14 is preferably a turbine.

[0063] The working principle of the utility model is as follows: the flowing water in the municipal water supply pipeline 15 impacts the water turbine 14 to make it rotate, and the piston plate 2 is driven to reciprocate in the filter cavity 1 through the speed reducer 13, the crank and the piston rod 3; in the process that the piston plate 2 moves to the right side, the one-way valve 10 at the end of the water inlet pipe 7 is opened, the waterproof cover plate 6 at the left side of the filter plate 5 is adsorbed and closely attached to the outer surface of the filter plate 5, so that the negative pressure is formed in the filter cavity 1, and the sewage in the sewage storage tank thus enters the filter cavity 1; in the process that the piston plate 2 moves to the left side, the one-way valve 10 at the end of the water inlet pipe 7 is closed, and the waterproof cover plate 6 at the left side of the filter plate 5 is separated from the filter plate 5 due to the impact and pressure of the filtered clean water, so that the filtered clean water is discharged into the clean water storage tank.

[0064] The technical scheme of the utility model has one or more of the following beneficial technical effects:

[0065] (1) The sewage treatment device using municipal pipeline residual pressure of the utility model can be directly connected with the municipal water supply pipeline 15 for use, has small land occupation, is convenient to maintain and control, and has a backwashing self-cleaning function;

[0066] (2) The sewage treatment device using municipal pipeline residual pressure of the utility model does not need to use additional power equipment, directly uses the surplus water head of the municipal pipeline residual pressure as power to drive the sewage treatment device to clean, and effectively reduces the cost of sewage treatment;

[0067] (3) The utility model directly uses the residual pressure of the water supply pipeline to convert into mechanical energy for supply system use, and has high energy conversion efficiency.

[0068] In order to better illustrate the utility model, numerous specific details are given in the foregoing specific embodiments. Those skilled in the art should understand that the utility model can also be implemented without some specific details. In some examples, methods, means, elements and circuits familiar to those skilled in the art are not described in detail, so as to highlight the main idea of the utility model.

[0069] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A sewage treatment device utilizing residual pressure in municipal pipelines, characterized in that, The filter cavity, the piston plate, the piston rod, the filter plate, the waterproof cover plate, the one-way valve, the water inlet pipe, the water outlet pipe and the emptying pipe are included. The piston plate is arranged at the right end of the filter cavity and can reciprocate in the filter cavity. The piston rod is fixedly arranged on one side of the piston plate close to the right end wall of the filter cavity. The filter plate is fixedly arranged at the left end of the filter cavity. The water inlet pipe and the emptying pipe are respectively arranged in communication with the filter cavity, and both are arranged between the filter plate and the piston plate. The water outlet pipe is arranged in communication with the filter cavity and between the filter plate and the left end wall of the filter cavity. The waterproof cover plate is arranged on the side of the filter plate away from the piston plate, and one end of the waterproof cover plate can rotate relative to the filter plate. The one-way valve is arranged on the water inlet pipe.

2. The sewage treatment device according to claim 1, characterized in that, A stop valve I is arranged on the water outlet pipe.

3. The sewage treatment device according to claim 1, characterized by A stop valve II is arranged on the emptying pipe.

4. The sewage treatment device according to claim 1, characterized by A filter membrane is fixedly arranged on the side of the filter plate close to the piston plate.

5. The sewage treatment device of claim 1, wherein The piston plate and the filter cavity are slidingly sealed.

6. A sewage treatment system utilizing the excess pressure of a municipal pipeline, characterized by, The sewage treatment device, the hydraulic runner, the speed reducer, the crankshaft and the filter cavity are included. The hydraulic runner is arranged inside the municipal water supply pipeline. The output end of the hydraulic runner is fixedly connected with the crankshaft through the speed reducer. The crankshaft is rotatably arranged inside the filter cavity and is rotatably connected with the piston rod.

7. The sewage treatment system of claim 6, wherein, The water inlet pipe is fluidly connected with the sewage storage tank, and the water outlet pipe is fluidly connected with the clean water storage tank.

8. The sewage treatment system of claim 6, wherein, The hydraulic runner is a turbine.

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