Solid-liquid separation structure for wastewater treatment

Abstract

The utility model discloses a solid-liquid separation structure for wastewater treatment, which comprises a box body, a wastewater inlet is arranged on one side of the top end of the box body, a separation bin is arranged on the inner side of the box body, a settling separation tank is arranged on the inner side of the separation bin, and a separation tank bevel edge is arranged on the surface of the top end of the settling separation tank. A filter screen is mounted on the surface of the bevel edge of the separation tank, a filter residue grating is arranged at the upper part of the bevel edge of the separation tank and is positioned at the lower part of the wastewater inlet, a mounting block is arranged on the inner wall of the top end of the box body, and a cross rod is arranged on the inner side of the bottom end of the box body; through matching arrangement of a mounting block, a residue filtering grid, a filtering net, a residue discharging bin, a spiral turbine rod and a residue inlet, waste residues and large solid impurities in waste water are effectively separated and removed, and the separated waste residues and large solid impurities are treated in a centralized mode through rotation of the spiral turbine rod; and through matched arrangement of the desilting bin and the spiral turbine rod, dust impurities and sludge settled on the inner side of the desilting bin can be conveniently removed.

Description

Technical Field

[0001] The utility model relates to the technical field of solid-liquid separation, in particular to a solid-liquid separation structure for wastewater treatment. Background Art

[0002] Wastewater treatment is to treat wastewater using physical, chemical and biological methods to purify wastewater, reduce pollution, and even recycle and reuse wastewater to make full use of water resources. Domestic sewage refers to wastewater discharged by people in their daily life activities. This wastewater is mainly polluted by domestic waste and human excrement. The amount, composition and concentration of pollutants are related to people's living habits and water consumption. Domestic sewage generally does not contain toxic substances, but it has conditions suitable for the reproduction of microorganisms and contains a large number of bacteria and pathogens. From a hygienic point of view, it has certain hazards.

[0003] For example, the invention with the authorization announcement number CN116688621A discloses a solid-liquid separation device for wastewater treatment that can prevent clogging. It is connected to the outside of the motor through a connecting frame, and the solid and liquid are discharged into the separation cylinder. At the same time, the spiral blade is driven by a rotating rod to rotate spirally, so that the solid and liquid produce spiral rotation, and the liquid is thrown out into the separation cylinder for separation. This prior art also has the following problems when used: the wastewater contains a large amount of solid impurities and dust, and long-term sedimentation and accumulation can easily lead to poor sewage discharge. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a solid-liquid separation structure for wastewater treatment, which effectively separates and removes waste residue and larger solid impurities in wastewater through the arrangement of a mounting block, a filter grid, a filter screen, a slag discharge bin, a spiral turbine rod, and a slag inlet, and centrally processes the separated waste residue and larger solid impurities through the rotation of the spiral turbine rod; and facilitates the removal of dust impurities and sludge settled inside the silt removal bin through the arrangement of a silt removal bin and a spiral turbine rod.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a solid-liquid separation structure for wastewater treatment, comprising a box body, a wastewater inlet is arranged on one side of the top of the box body, a separation bin is arranged on the inside of the box body, a sedimentation separation tank is arranged on the inside of the separation bin, a separation tank bevel is arranged on the top surface of the sedimentation separation tank, a filter screen is installed on the surface of the bevel of the separation tank, a filter residue grid is arranged on the upper part of the bevel of the separation tank, the filter residue grid is located at the lower part of the wastewater inlet, a mounting block is arranged on the inner wall of the top of the box body, a cross bar is arranged on the inner side of the bottom of the box body, and two ends of the filter residue grid are respectively arranged There is a mounting plate, and the two mounting plates are respectively fixed to the mounting block and the surface of one side of the cross bar by bolts. An arc-shaped baffle is arranged on the inner side of the sedimentation separation tank, and a backwash high-pressure nozzle is installed on the inner side of the baffle. A liquid accumulation bin is arranged at the bottom end of the baffle, and a dredging bin is arranged on one side of the liquid accumulation bin. A slag discharge bin is arranged on one side of the sedimentation separation tank, and a slag discharge port is arranged on the surface of the box body on one side of the slag discharge bin. A slag inlet is opened at the top of the slag discharge bin, and the slag inlet is located on the bottom side of the filter residue grid. Spiral turbine rods are arranged on the inner sides of the dredging bin and the slag discharge bin, and a filter drainage port is arranged at the connection between the liquid accumulation bin and the dredging bin.

[0006] As an optimal technical solution of the utility model, there are two spiral turbine rods, which are respectively located inside the dredging bin and the slag discharge bin. A first auxiliary transmission wheel is fixedly provided at one end of one of the spiral turbine rods, and a second auxiliary transmission wheel is fixedly provided at one end of the other spiral turbine rod. A motor is provided inside the box body, and a main transmission wheel is fixedly provided on the surface of the driving shaft of the motor. Limiting grooves are provided on the surfaces of the main transmission wheel, the first auxiliary transmission wheel and the second auxiliary transmission wheel, and a transmission belt is sleeved inside the groove.

[0007] As an optimal technical solution of the utility model, the bottom end of the backwash high-pressure nozzle is connected to a branch water pipe, the branch water pipe is connected to a water pipe, one end of the water pipe is connected to a high-pressure water pump, and the high-pressure water pump is located inside the box.

[0008] As a preferred technical solution of the utility model, a protective door is arranged on one side surface of the box body, and handles are symmetrically arranged on the surface of the protective door.

[0009] As a preferred technical solution of the utility model, a liquid drainage outlet is arranged on one side of the bottom end of the liquid storage bin, and a water valve is arranged on the surface of the liquid drainage outlet.

[0010] As a preferred technical solution of the utility model, a silt discharge port is provided on the surface of the connection between the silt removal bin and the slag discharge bin.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. Through the combination of mounting blocks, filter screens, filter screens, slag bins, spiral turbine rods, and slag inlets, the waste slag and larger solid impurities in the wastewater can be effectively separated and removed, and the separated waste slag and larger solid impurities can be centrally processed through the rotation of the spiral turbine rods; through the combination of dredging bins and spiral turbine rods, the dust impurities and sludge settled inside the dredging bins can be easily removed.

[0013] 2. Through the matching arrangement of the main drive wheel, the first auxiliary drive wheel, the second auxiliary drive wheel, the motor and the transmission belt, the motor can rotate and drive the two spiral turbine rods to remove slag and silt at the same time; through the matching arrangement of the backwash high-pressure nozzle, the branch water pipe, the water pipe and the high-pressure water pump, the water sprayed by the backwash high-pressure nozzle can backwash the filter net, effectively reducing the clogging of the filter net during long-term use and affecting the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall side cross-sectional structure of the utility model.

[0015] Figure 2 It is a rear view partial cross-sectional structural schematic diagram of the utility model.

[0016] Figure 3 It is a schematic diagram of the top view structure of the filter residue grid of the utility model.

[0017] Figure 4 It is a schematic diagram of the side structure of the transmission belt transmission wheel of the utility model.

[0018] Among them: 1. Box body; 2. Wastewater inlet; 3. Separation chamber; 4. Mounting block; 5. Filter residue grid; 6. Sedimentation separation tank; 7. Separation tank bevel; 8. Filter screen; 9. Backwash high-pressure nozzle; 10. Liquid accumulation chamber; 11. Filter drain outlet; 12. Liquid accumulation drain outlet; 13. Desilting chamber; 14. Slag discharge chamber; 15. Spiral turbine rod; 16. Slag inlet; 17. Cross bar; 18. Protective door; 19. Slag discharge outlet; 20. Main drive wheel; 21. First auxiliary drive wheel; 22. Second auxiliary drive wheel; 23. High-pressure water pump; 24. Motor; 25. Mounting plate; 26. Drive belt. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0020] For example, please refer to Figure 1 , Figure 2, Figure 3 As shown, the utility model provides a solid-liquid separation structure for wastewater treatment, including a box body 1, a wastewater inlet 2 is arranged on one side of the top of the box body 1, a separation bin 3 is arranged on the inner side of the box body 1, a sedimentation separation tank 6 is arranged on the inner side of the separation bin 3, a separation tank bevel 7 is arranged on the top surface of the sedimentation separation tank 6, a filter screen 8 is installed on the surface of the separation tank bevel 7, a filter residue grid 5 is arranged on the upper part of the separation tank bevel 7, the filter residue grid 5 is located under the wastewater inlet 2, a mounting block 4 is arranged on the inner wall of the top of the box body 1, a cross bar 17 is arranged on the inner side of the bottom end of the box body 1, mounting plates 25 are respectively arranged at both ends of the filter residue grid 5, and the two mounting plates 25 are respectively fixed to the mounting block 4 and the surface of one side of the cross bar 17 by bolts, an arc-shaped baffle is arranged on the inner side of the sedimentation separation tank 6, a backwash high-pressure nozzle 9 is installed on the inner side of the baffle, and a liquid accumulation bin 10 is arranged at the bottom end of the baffle. A dredging bin 13 is provided on one side of the bin 10, a slag discharge bin 14 is provided on one side of the sedimentation separation tank 6, a slag discharge port 19 is provided on the surface of the box body 1 on one side of the slag discharge bin 14, a slag inlet 16 is provided at the top of the slag discharge bin 14, and the slag inlet 16 is located on the bottom side of the filter residue grid 5. A spiral turbine rod 15 is provided inside the dredging bin 13 and the slag discharge bin 14, and a filter drain port 11 is provided at the connection between the liquid accumulation bin 10 and the dredging bin 13; through the matching arrangement of the mounting block 4, the filter residue grid 5, the filter screen 8, the slag discharge bin 14, the spiral turbine rod 15, and the slag inlet 16, the waste residue and larger solid impurities in the wastewater are effectively separated and removed, and the separated waste residue and larger solid impurities are concentratedly processed by the rotation of the spiral turbine rod 15; through the matching arrangement of the dredging bin 13 and the spiral turbine rod 15, the dust impurities and sludge settled inside the dredging bin 13 are easily removed.

[0021] like Figure 2 , Figure 4 As shown, there are two spiral turbine rods 15, which are respectively located inside the silt removal bin 13 and the slag removal bin 14. A first auxiliary transmission wheel 21 is fixedly provided at one end of one of the spiral turbine rods 15, and a second auxiliary transmission wheel 22 is fixedly provided at one end of the other spiral turbine rod 15. A motor 24 is provided inside the box body 1, and a main transmission wheel 20 is fixedly provided on the driving shaft surface of the motor 24. Limiting grooves are provided on the surfaces of the main transmission wheel 20, the first auxiliary transmission wheel 21, and the second auxiliary transmission wheel 22, and a transmission belt 26 is sleeved inside the groove; through the matching arrangement of the main transmission wheel 20, the first auxiliary transmission wheel 21, the second auxiliary transmission wheel 22, the motor 24, and the transmission belt 26, it is convenient for the motor 24 to rotate and drive the two spiral turbine rods 15 to perform slag removal and silt removal processing at the same time.

[0022] like Figure 1 , Figure 2As shown, the bottom end of the backwash high-pressure nozzle 9 is connected to a branch water pipe, the branch water pipe is connected to a water pipe, one end of the water pipe is connected to a high-pressure water pump 23, and the high-pressure water pump 23 is located on the inner side of the box body 1; through the matching arrangement of the backwash high-pressure nozzle 9, the branch water pipe, the water pipe and the high-pressure water pump 23, the water sprayed by the backwash high-pressure nozzle 9 backwashes the filter screen 8, effectively reducing the clogging of the filter screen 8 during long-term use and affecting the filtering effect.

[0023] like Figure 1 , Figure 2 As shown, a protective door 18 is provided on one side surface of the box body 1, and a handle is symmetrically provided on the surface of the protective door 18; through the matching arrangement of the protective door 18 and the handle, it is convenient for personnel to open the protective door 18 to check the internal slag discharge situation.

[0024] like Figure 1 As shown, a liquid drain outlet 12 is provided on one side of the bottom end of the liquid storage bin 10, and a water valve is provided on the surface of the liquid drain outlet 12; by matching the liquid drain outlet 12 with the water valve, the liquid after sedimentation and separation can be easily discharged from the liquid storage bin 10.

[0025] like Figure 1 As shown, a silt discharge port is opened on the surface of the connection between the silt removal bin 13 and the slag discharge bin 14. By opening the silt discharge port on the surface of the connection between the silt removal bin 13 and the slag discharge bin 14, the silt inside the silt removal bin 13 can be squeezed into the silt discharge port through the rotation of the spiral turbine rod 15 for silt discharge treatment.

[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A solid-liquid separation structure for wastewater treatment, comprising a housing (1), characterized in that: A wastewater inlet (2) is provided at one side of the top of the box body (1), a separation bin (3) is provided inside the box body (1), a sedimentation separation tank (6) is provided inside the separation bin (3), a separation tank bevel (7) is provided on the top surface of the sedimentation separation tank (6), a filter screen (8) is installed on the surface of the separation tank bevel (7), a filter residue grid (5) is provided on the upper part of the separation tank bevel (7), the filter residue grid (5) is located below the wastewater inlet (2), a mounting block (4) is provided on the inner wall of the top of the box body (1), a cross bar (17) is provided on the inner side of the bottom of the box body (1), mounting plates (25) are provided at both ends of the filter residue grid (5), and the two mounting plates (25) are respectively fixed to the mounting block (4) by bolts. On one side surface of the cross bar (17), an arc-shaped baffle is arranged inside the sedimentation separation tank (6), a backwash high-pressure nozzle (9) is installed inside the baffle, a liquid storage bin (10) is arranged at the bottom end of the baffle, a silt removal bin (13) is arranged on one side of the liquid storage bin (10), a slag discharge bin (14) is arranged on one side of the sedimentation separation tank (6), a slag discharge port (19) is arranged on the surface of the box body (1) on one side of the slag discharge bin (14), a slag inlet (16) is opened at the top of the slag discharge bin (14), and the slag inlet (16) is located on one side of the bottom end of the filter residue grid (5), a spiral turbine rod (15) is arranged inside the silt removal bin (13) and the slag discharge bin (14), and a filter drainage port (11) is arranged at the connection between the liquid storage bin (10) and the silt removal bin (13).

2. A solid-liquid separation structure for wastewater treatment according to claim 1, characterized in that: The number of the spiral turbine rods (15) is two, and the two spiral turbine rods (15) are respectively located inside the silt removal bin (13) and the slag discharge bin (14). A first auxiliary transmission wheel (21) is fixedly arranged at one end of one of the spiral turbine rods (15), and a second auxiliary transmission wheel (22) is fixedly arranged at one end of the other spiral turbine rod (15). A motor (24) is arranged inside the housing (1), and a main transmission wheel (20) is fixedly arranged on the surface of the driving shaft of the motor (24). Limiting grooves are provided on the surfaces of the main transmission wheel (20), the first auxiliary transmission wheel (21), and the second auxiliary transmission wheel (22), and a transmission belt (26) is sleeved inside the grooves.

3. A solid-liquid separation structure for wastewater treatment according to claim 1, characterized in that: The bottom end of the backwash high-pressure nozzle (9) is connected to a branch water pipe, the branch water pipe is connected to a water delivery pipe, one end of the water delivery pipe is connected to a high-pressure water pump (23), and the high-pressure water pump (23) is located inside the box (1).

4. A solid-liquid separation structure for wastewater treatment according to claim 1, characterized in that: A protective door (18) is provided on one side surface of the box body (1), and handles are symmetrically provided on the surface of the protective door (18).

5. A solid-liquid separation structure for wastewater treatment according to claim 1, characterized in that: A liquid accumulation drain outlet (12) is provided at one side of the bottom end of the liquid accumulation bin (10), and a water valve is provided on the surface of the liquid accumulation drain outlet (12).

6. A solid-liquid separation structure for wastewater treatment according to claim 1, characterized in that: A silt discharge port is provided on the surface of the connection between the silt removal bin (13) and the slag discharge bin (14).

Images