Urban sewage solid-liquid separation equipment

Abstract

The utility model discloses municipal sewage solid-liquid separation equipment, which relates to the technical field of sewage treatment and comprises a fixing frame, a top plate is arranged at the top of the fixing frame, a hydraulic cylinder is arranged at the bottom of the top plate, and a solid-liquid separation part is arranged on the inner wall of the top of the fixing frame; the solid-liquid separation part comprises an outer barrel, an inner barrel is arranged on the inner wall of the top of the outer barrel, a pressing plate is slidably connected to the inner wall of the inner barrel, a piston rod of the hydraulic cylinder is connected with the pressing plate, a plurality of overflow holes distributed at equal intervals are formed in the surface of the pressing plate, and a filter screen is arranged at the bottom of the pressing plate. And a sliding groove is formed in one side of the outer cylinder. According to the utility model, solid and liquid are separated under the action of pressure, the filter screen is not easy to block, and the solid-liquid separation efficiency of sewage is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to urban sewage solid-liquid separation equipment. Background Art

[0002] Urban sewage refers to domestic sewage, industrial wastewater and runoff sewage within the scope of urban areas. It is generally collected by urban pipes and should be discharged into water bodies after being treated in urban sewage treatment plants. In addition to containing a large amount of organic matter, bacteria and viruses, urban sewage also contains various types and degrees of toxic and harmful pollutants due to the rapid development of industry, the water volume and quality of industrial wastewater are becoming increasingly complex, and the pollution of runoff sewage is becoming increasingly serious. Urban sewage needs to be separated from solids and liquids, which requires the use of solid-liquid separation equipment.

[0003] After searching, the Chinese patent publication number is CN214763740U, which discloses a sewage solid-liquid separation device, including a box body, wherein several layers of inclined filter screens are arranged in the box body, an L-shaped groove is arranged on one side of the lower end of the filter screen, and a vertical push plate is arranged parallel to the top of the filter screen, and the outer side of the push plate is connected to the support frame outside the box body through a telescopic assembly.

[0004] The prior art is similar to the above-mentioned sewage solid-liquid separation device, which uses the gravity of objects to separate solids and liquids using a filter net. Over time, impurities are easily accumulated on the surface of the filter net and even clog the filter net, thereby affecting the subsequent filtration effect. Therefore, there is room for improvement. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and propose a solid-liquid separation device for urban sewage. Its advantages are that the solid and liquid are separated by pressure, the filter screen is not easy to be blocked, and the efficiency of solid-liquid separation of sewage is improved.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] The municipal sewage solid-liquid separation equipment comprises a fixed frame, a top plate is arranged on the top of the fixed frame, a hydraulic cylinder is arranged on the bottom of the top plate, and a solid-liquid separation component is arranged on the top inner wall of the fixed frame;

[0008] The solid-liquid separation component comprises an outer cylinder, an inner cylinder is arranged on the inner wall of the top of the outer cylinder, a pressure plate is slidably connected to the inner wall of the inner cylinder, a piston rod of the hydraulic cylinder is connected to the pressure plate, a plurality of overflow holes distributed at equal distances are provided on the surface of the pressure plate, a filter screen is provided at the bottom of the pressure plate, a sliding groove is provided on one side of the outer cylinder, a baffle is slidably connected to the inner wall of the sliding groove, a supporting bottom plate is hinged at the bottom of the inner walls on both sides of the outer cylinder, and the supporting bottom plate is flipped by a driving mechanism;

[0009] A water inlet hole is provided on one side of the inner cylinder, a water inlet pipe is inserted into the water inlet hole, a water outlet hole is provided on the other side of the inner cylinder, a blocking block is hinged on the inner wall of the water outlet hole, and the blocking block is hinged to the inner wall of the outer cylinder through an electric telescopic rod.

[0010] Through the above technical scheme: when in use, the sewage to be treated is added into the inner cylinder from the water inlet pipe, the piston rod of the hydraulic cylinder is controlled to extend, the hydraulic cylinder pushes the pressure plate to move downward, and the baffle moves downward along the sliding groove to block the water inlet hole. Under the action of pressure, the substance will be filtered by the filter net and remain at the bottom, and the water will pass through the filter net and enter the top of the pressure plate from the overflow hole. The piston rod of the electric telescopic rod is controlled to shorten, the blocking block is moved out of the water outlet, and the water is discharged from the water outlet. The driving mechanism is controlled to open the supporting bottom plate, so that impurities can be discharged, thereby realizing the solid-liquid separation of sewage. The solid and liquid are separated by the action of pressure, and the filter net is not easy to be blocked, thereby improving the efficiency of solid-liquid separation of sewage.

[0011] The utility model is further configured such that the cross section of the overflow hole is an isosceles trapezoidal structure, and the larger opening of the overflow hole faces the filter screen.

[0012] Through the above technical solution: the design of the isosceles trapezoidal structure in cross section can increase the diameter of the overflow hole and improve the separation efficiency of sewage and impurities.

[0013] The utility model is further configured that a guide block is arranged at the bottom of the pressure plate, and the guide block and the overflow hole are arranged alternately.

[0014] Through the above technical solution: the setting of the guide block can conveniently guide water into the overflow hole, thereby improving the efficiency of water flow.

[0015] The utility model is further configured that the driving mechanism includes a fixing block fixed at the corner of the inner wall of the bottom of the outer cylinder, an electric push rod is hinged on the surface of the fixing block, and a piston rod of the electric push rod is hinged to the supporting bottom plate.

[0016] Through the above technical solution: the piston rod of the electric push rod is controlled to shorten, the two supporting bottom plates will be in an eight-shape, and the impurities in the inner cylinder will fall down, thereby improving the convenience of impurity handling.

[0017] The utility model is further configured that rubber pads are arranged on opposite sides of the two supporting bottom plates.

[0018] Through the above technical solution: when the two supporting bottom plates are in a horizontal state, the two rubber pads will be squeezed to improve the sealing effect.

[0019] The utility model is further configured such that the cross section of the fixing block is a right-angled triangle structure.

[0020] Through the above technical solution: the design of the right-angled triangle structure in cross section can facilitate the impurities to be guided to the middle of the outer cylinder, so as to facilitate the discharge of the separated impurities.

[0021] The utility model is further configured that a water outlet pipe is arranged on the outer wall of the inner cylinder below the water outlet hole, a collecting box is arranged on one side of the fixing frame, and the water outlet pipe is communicated with the collecting box.

[0022] Through the above technical solution: after the liquid is discharged from the water outlet, it will enter the water outlet pipe and be guided to the collection box along the water outlet pipe, thereby improving the convenience of liquid collection.

[0023] The beneficial effects of the utility model are:

[0024] 1. When the urban sewage solid-liquid separation equipment is in use, the sewage to be treated is added into the inner cylinder from the water inlet pipe, the piston rod of the hydraulic cylinder is controlled to extend, the hydraulic cylinder pushes the pressure plate to move downward, and the baffle moves downward along the sliding groove to block the water inlet hole. Under the action of pressure, the substance will be filtered by the filter net and remain at the bottom, and the water will pass through the filter net and enter the top of the pressure plate from the overflow hole. The piston rod of the electric telescopic rod is controlled to shorten, and the blocking block is moved out from the water outlet hole, and the water is discharged from the water outlet hole. The driving mechanism is controlled to open the supporting bottom plate to discharge impurities, thereby realizing the solid-liquid separation of sewage. The solid and liquid are separated by pressure, and the filter net is not easy to be blocked, thereby improving the efficiency of solid-liquid separation of sewage.

[0025] 2. The urban sewage solid-liquid separation equipment controls the electric push rod piston rod to shorten, the two supporting bottom plates will be in an eight-shape, and the impurities in the inner cylinder will fall down, which improves the convenience of impurity handling; when the two supporting bottom plates are in a horizontal state, the two rubber pads will be squeezed to improve the sealing effect; the design of the right-angled triangle structure in cross section can facilitate the impurities to be dredged to the middle of the outer cylinder, and the separated impurities can be discharged from the slag discharge port at the bottom of the outer cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a three-dimensional structural diagram of the urban sewage solid-liquid separation equipment proposed by the utility model;

[0027] Figure 2 This is a schematic cross-sectional view of the structure of the municipal sewage solid-liquid separation device proposed by the utility model;

[0028] Figure 3 This is a schematic diagram of the structure of the solid-liquid separation components of the urban sewage solid-liquid separation equipment proposed by the utility model;

[0029] Figure 4 for Figure 3 Schematic diagram of the enlarged structure at point A in the middle.

[0030] In the figure: 1. top plate; 2. fixing frame; 3. water inlet pipe; 4. outer cylinder; 5. water outlet pipe; 6. collecting box; 7. hydraulic cylinder; 8. inner cylinder; 9. electric telescopic rod; 10. blocking block; 11. electric push rod; 12. rubber pad; 13. supporting bottom plate; 14. fixing block; 15. sliding groove; 16. baffle; 17. pressure plate; 18. overflow hole; 19. guide block; 20. filter screen. DETAILED DESCRIPTION

[0031] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0032] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0033] Reference Figure 1-4 , a solid-liquid separation device for urban sewage, comprising a fixed frame 2, a top plate 1 is arranged on the top of the fixed frame 2, a hydraulic cylinder 7 is arranged on the bottom of the top plate 1, and a solid-liquid separation component is arranged on the top inner wall of the fixed frame 2;

[0034] The solid-liquid separation component includes an outer cylinder 4, an inner cylinder 8 is arranged on the inner wall of the top of the outer cylinder 4, a pressure plate 17 is slidably connected to the inner wall of the inner cylinder 8, a piston rod of the hydraulic cylinder 7 is connected to the pressure plate 17, a plurality of overflow holes 18 are arranged on the surface of the pressure plate 17 and are distributed at equal distances, a filter screen 20 is arranged at the bottom of the pressure plate 17, a sliding groove 15 is arranged on one side of the outer cylinder 4, a baffle 16 is slidably connected to the inner wall of the sliding groove 15, and a supporting bottom plate 13 is hinged at the bottom of the inner wall on both sides of the outer cylinder 4, and the supporting bottom plate 13 is turned over by a driving mechanism;

[0035] A water inlet is provided on one side of the inner tube 8, and a water inlet pipe 3 is inserted into the inside of the water inlet hole. A water outlet is provided on the other side of the inner tube 8, and a blocking block 10 is hinged on the inner wall of the water outlet hole. The blocking block 10 is hinged to the inner wall of the outer tube 4 through an electric telescopic rod 9.

[0036] In this embodiment, the cross section of the overflow hole 18 is an isosceles trapezoidal structure, and the larger opening of the overflow hole 18 faces the filter screen 20. The design of the isosceles trapezoidal cross section can increase the diameter of the overflow hole 18 and improve the separation efficiency of sewage and impurities; the bottom of the pressure plate 17 is provided with a guide block 19, and the guide block 19 and the overflow hole 18 are arranged alternately. The setting of the guide block 19 can facilitate the water to be introduced into the overflow hole 18, thereby improving the efficiency of the water flow.

[0037] Furthermore, the driving mechanism includes a fixed block 14 fixed at the inner wall corner of the bottom of the outer cylinder 4, and the surface of the fixed block 14 is hinged with an electric push rod 11, and the piston rod of the electric push rod 11 is hinged with the supporting bottom plate 13. When the piston rod of the electric push rod 11 is controlled to shorten, the two supporting bottom plates 13 will be in an eight-shaped shape, and the impurities in the inner cylinder 8 will fall, which improves the convenience of impurity handling; rubber pads 12 are provided on the opposite sides of the two supporting bottom plates 13. When the two supporting bottom plates 13 are in a horizontal state, the two rubber pads 12 will be squeezed to improve the sealing effect; the cross-section of the fixed block 14 is a right-angled triangle structure. The design of the right-angled triangle structure in cross section can facilitate the impurities to be dredged to the middle of the outer cylinder 4, and facilitate the separated impurities to be discharged from the slag discharge port at the bottom of the outer cylinder 4.

[0038] It is worth mentioning that the outer wall of the inner tube 8 below the water outlet is provided with a water outlet pipe 5, and a collecting box 6 is provided on one side of the fixing frame 2, and the water outlet pipe 5 is connected with the collecting box 6. After the liquid is discharged from the water outlet, it will enter the water outlet pipe 5 and be guided to the collecting box 6 along the water outlet pipe 5, which improves the convenience of liquid collection.

[0039] Working principle: When in use, the sewage to be treated is added into the inner tube 8 from the water inlet pipe 3, the piston rod of the hydraulic cylinder 7 is controlled to extend, the hydraulic cylinder 7 pushes the pressure plate 17 to move downward, and the baffle 16 moves downward along the sliding groove 15 to block the water inlet hole. Under the action of pressure, the substance will be filtered by the filter screen 20 and remain at the bottom, and the water will pass through the filter screen 20 and enter the top of the pressure plate 17 from the overflow hole 18. The piston rod of the electric telescopic rod 9 is controlled to shorten, and the blocking block 10 is moved out from the water outlet, and the water is discharged from the water outlet. The driving mechanism is controlled to open the supporting bottom plate 13, so that impurities can be discharged, thereby realizing the solid-liquid separation of sewage. The solid and liquid are separated by pressure, and the filter screen 20 is not easy to be blocked, thereby improving the efficiency of solid-liquid separation of sewage.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A solid-liquid separation device for urban sewage, comprising a fixed frame (2), characterized in that: A top plate (1) is arranged on the top of the fixed frame (2), a hydraulic cylinder (7) is arranged on the bottom of the top plate (1), and a solid-liquid separation component is arranged on the top inner wall of the fixed frame (2); The solid-liquid separation component comprises an outer cylinder (4), an inner cylinder (8) is arranged on the inner wall of the top of the outer cylinder (4), a pressure plate (17) is slidably connected to the inner wall of the inner cylinder (8), a piston rod of the hydraulic cylinder (7) is connected to the pressure plate (17), a surface of the pressure plate (17) is provided with a plurality of overflow holes (18) distributed at equal distances, a filter screen (20) is arranged at the bottom of the pressure plate (17), a sliding groove (15) is arranged on one side of the outer cylinder (4), a baffle (16) is slidably connected to the inner wall of the sliding groove (15), and a supporting bottom plate (13) is hingedly connected to the bottom of the inner walls on both sides of the outer cylinder (4), and the supporting bottom plate (13) is flipped by a driving mechanism; A water inlet hole is provided on one side of the inner cylinder (8), a water inlet pipe (3) is inserted into the interior of the water inlet hole, a water outlet hole is provided on the other side of the inner cylinder (8), a blocking block (10) is hingedly connected to the inner wall of the water outlet hole, and the blocking block (10) is hingedly connected to the inner wall of the outer cylinder (4) via an electric telescopic rod (9).

2. The municipal sewage solid-liquid separation equipment according to claim 1, characterized in that: The cross section of the overflow hole (18) is in an isosceles trapezoidal structure, and the larger opening of the overflow hole (18) faces the filter screen (20).

3. The municipal sewage solid-liquid separation equipment according to claim 2, characterized in that: A guide block (19) is arranged at the bottom of the pressure plate (17), and the guide block (19) and the overflow hole (18) are arranged alternately.

4. The municipal sewage solid-liquid separation equipment according to claim 1, characterized in that: The driving mechanism comprises a fixing block (14) fixed at the inner wall corner of the bottom of the outer cylinder (4), an electric push rod (11) is hinged on the surface of the fixing block (14), and a piston rod of the electric push rod (11) is hinged to a supporting bottom plate (13).

5. The urban sewage solid-liquid separation equipment according to claim 4, characterized in that: Rubber pads (12) are provided on opposite sides of the two supporting bottom plates (13).

6. The municipal sewage solid-liquid separation equipment according to claim 5, characterized in that: The cross section of the fixing block (14) is a right-angled triangle structure.

7. The municipal sewage solid-liquid separation equipment according to any one of claims 1 to 6, characterized in that: A water outlet pipe (5) is provided on the outer wall of the inner cylinder (8) below the water outlet hole, a collecting box (6) is provided on one side of the fixing frame (2), and the water outlet pipe (5) is connected to the collecting box (6).

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