Novel siphon assembly of pretreatment water purifier

Abstract

The utility model discloses a novel siphon assembly of a pretreatment water purifier, which relates to the technical field of sewage treatment and comprises a filter system, a sewage discharge system and a disturbance system. A filtering area and a clear water area are arranged in the filtering system, and a filtering layer is arranged between the filtering area and the clear water area; the sewage discharge system comprises a sewage discharge pipe, a sewage suction part and a negative pressure part, and an electromagnetic valve is arranged in the sewage discharge pipe; the dirt suction part extends into the filtering area and is adjacent to the filtering layer; a negative pressure channel is formed between the negative pressure piece and the blow-off pipe; the disturbance system comprises a disturbance pipe arranged in the blow-off pipe and a nozzle arranged at the end of the sewage suction part, the disturbance pipe is externally connected with a pressurization generator, and the disturbance pipe is communicated with the nozzle; the sewage discharge pipe and the sewage suction part are arranged, the sewage suction part is close to the filter layer, in the sewage discharge process, impurities separated from the filter layer after backwashing can be directly discharged, the backwashing sewage discharge amount is reduced, meanwhile, the impurities on the filter layer are washed away from the filter layer through the arranged disturbance pipe and the nozzle, the backwashing efficiency is improved, and the sewage discharge duration is shortened.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically to a novel pretreatment water purifier siphon tube assembly. Background Technology

[0002] The pretreatment system uses surface water from a river well as the pretreatment water source. The treatment process includes "disinfection, flocculation and chemical dosing + HZA type fully automatic water purifier + disinfection + reuse in production". The main purpose is to remove turbidity, suspended solids, color, etc. from the raw water to ensure that the treated effluent meets the water quality requirements for production. In the water treatment system, after filtering for a period of time, the resistance of the filter layer will gradually increase due to the accumulation of impurities such as suspended solids and silt. When the water level rises to a certain height, automatic backwashing begins. The water in the filtration zone is rapidly accelerated by the static pressure of the upper clear water layer for backwashing. The clear water in the clear water zone returns in the opposite direction according to the normal operating path. When the clear water passes through the filtration zone, it begins to backwash the filter layer. The backwashing lasts for 3 to 5 minutes. When the water level in the clear water zone drops to a certain level (air is sucked in through the break pipe), the backwashing automatically stops. The backwash wastewater is discharged into the sewage tank and then led to the backwash water collection pool through the sewage pipe.

[0003] Backwash wastewater, containing a large amount of suspended solids, silt and other impurities, is discharged through a siphon pipe. During the discharge process, the water in the filtration zone needs to fill the siphon pipe and enter to expel the gas inside the siphon pipe before the wastewater can be discharged. The venting process is long, and some water overflows with the air for a long time, which increases the amount of wastewater discharged. During the siphon process, the water in the clean water tank is drained to a low level, which causes the pipe to draw in air. The siphon automatically stops backwashing, and some clean water is discharged, which increases the amount of wastewater discharged. Utility Model Content

[0004] The main purpose of this utility model is to provide a new type of siphon tube assembly for a pretreatment water purifier, which solves the problem that the long siphon tube venting time during the existing backwashing process leads to a significant increase in the amount of sewage discharged.

[0005] To achieve the above objectives, this utility model provides a novel pretreatment water purifier siphon tube assembly, including a filtration system, which comprises a filtration zone and a clear water zone; a filtration layer is provided between the filtration zone and the clear water zone; and further includes:

[0006] The sewage discharge system includes a sewage discharge pipe connected to the filtration zone, a suction device installed on the sewage discharge pipe, and a negative pressure device installed on the sewage discharge pipe; a solenoid valve is installed inside the sewage discharge pipe; the suction device extends into the filtration zone and is adjacent to the filter layer; a negative pressure channel is formed between the negative pressure device and the sewage discharge pipe;

[0007] The disturbance system includes a disturbance pipe installed inside the sewage pipe and a nozzle installed at the end of the suction device; a pressure generator is connected to the outside of the disturbance pipe, and the disturbance pipe is connected to the nozzle.

[0008] As a further improvement of this utility model, the sewage pipe includes a horizontally arranged horizontal section, a first vertical section and a second vertical section arranged at both ends of the horizontal section; the first vertical section is located within the filtration zone and is connected to the suction device; the second vertical section is located outside the clean water zone and is connected to the acceleration device.

[0009] As a further improvement of this utility model, the suction device includes a suction pipe; multiple sets of suction pipes are arranged circumferentially along the first vertical section.

[0010] As a further improvement of this utility model, the negative pressure component includes a water storage cylinder disposed on the horizontal section; a transition pipe is provided between the water storage cylinder and the horizontal section; an electromagnetic exhaust valve is provided on the horizontal section; the electromagnetic valve is respectively disposed in the horizontal section adjacent to the first vertical section, the transition pipe, and the second vertical section.

[0011] As a further improvement of this utility model, the pressurization generator includes a high-pressure water pump; a high-pressure water pipe is provided between the high-pressure water pump and the disturbance pipe; and the nozzle is inclinedly arranged on the suction pipe.

[0012] As a further improvement of this utility model, the end of the nozzle away from the suction pipe is a flat nozzle; the width of the nozzle increases progressively.

[0013] The beneficial effects of this utility model are reflected in:

[0014] By installing a drain pipe and a suction device, which is close to the filter layer, the impurities that have been removed from the filter layer after backwashing can be directly discharged during the draining process, reducing the amount of backwashing wastewater discharged. At the same time, the installed agitation pipe and nozzles wash the impurities off the filter layer, improving backwashing efficiency and shortening the draining time. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a novel pretreatment water purifier siphon tube assembly connected to a filtration system for filtering wastewater according to this utility model;

[0016] Figure 2 This is a schematic diagram of the backwashing structure of a novel pretreatment water purifier siphon tube assembly according to the present invention.

[0017] Figure 3 This is a schematic diagram of the sewage discharge system and disturbance system of a novel pretreatment water purifier siphon tube assembly according to the present invention;

[0018] Explanation of reference numerals in the attached figures:

[0019] 1. Filtration system; 2. Filtration zone; 3. Clear water zone; 4. Filtration layer; 5. Sewage pipe; 501. Horizontal section; 502. First vertical section; 503. Second vertical section; 6. Sewage suction device; 601. Sewage suction pipe; 7. Negative pressure device; 701. Water storage tank; 8. Solenoid valve; 9. Negative pressure channel; 10. Disturbance pipe; 11. Nozzle; 12. Pressurization generator; 1201. High-pressure water pump; 13. Branch pipe; 14. Sewage suction hole; 15. Transition pipe; 16. Solenoid exhaust valve; 17. Water injection pipe; 18. High-pressure water pipe; 19. Nozzle. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the described embodiments are merely some, not all, of the embodiments of this utility model. Unless otherwise specified, the embodiments and features described in this application can be combined with each other. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0021] In one embodiment, see Figure 1 , 2 The present invention relates to a novel pretreatment water purifier siphon tube assembly, comprising a filtration system 1, a sewage discharge system, and a disturbance system.

[0022] The filtration system 1 includes a filtration zone 2 and a clean water zone 3, with a filter layer 4 between the filtration zone 2 and the clean water zone 3. The sewage discharge system includes a sewage discharge pipe 5 connected to the filtration zone 2, a suction device 6 installed on the sewage discharge pipe 5, and a negative pressure device 7 installed on the sewage discharge pipe 5. A solenoid valve 8 is installed inside the sewage discharge pipe 5. The suction device 6 extends into the filtration zone 2 and is adjacent to the filter layer 4. A negative pressure channel 9 is formed between the negative pressure device 7 and the sewage discharge pipe 5. The disturbance system includes a disturbance pipe 10 installed inside the sewage discharge pipe 5 and a nozzle 11 installed at the end of the suction device 6. A pressure generator 12 is connected to the outside of the disturbance pipe 10, and the disturbance pipe 10 is connected to the nozzle 11.

[0023] Further, see Figure 3 The drain pipe 5 includes a horizontal section 501, a first vertical section 502 and a second vertical section 503 located at both ends of the horizontal section 501. The first vertical section 502 is located inside the filtration zone 2 and is connected to the suction component 6; the second vertical section 503 is located outside the clean water zone 3 and is connected to the acceleration component.

[0024] Preferably, the sewage pipe 5 has an overall "U" shaped structure.

[0025] Further, see Figure 3The suction device 6 includes a suction pipe 601, and multiple sets of suction pipes 601 are arranged circumferentially along the first vertical section 502.

[0026] Preferably, the suction pipe 601 is provided in four sets, and the ends of the suction pipe 601 away from the first vertical section 502 are also provided with branch pipes 13, and the branch pipes 13 are provided with suction holes 14.

[0027] In the above configuration, when a negative pressure is generated in the drain pipe 5, the sewage in the filtration zone 2 is sucked into the suction pipe 601 and flows out through the drain pipe 5. The suction pipe 601 and branch pipe 13 arranged circumferentially along the first vertical section 502 increase the coverage area in the filtration zone 2. Sewage washed from the filter layer 4 can be sucked in from different positions in the filtration zone 2 and discharged, thereby reducing the discharge of newly entering sewage in the filtration zone 2, improving drainage efficiency, and reducing the amount of sewage to be treated subsequently.

[0028] Further, see Figure 2 , 3 The negative pressure component 7 includes a water storage cylinder 701 installed on the horizontal section 501, a transition pipe 15 between the water storage cylinder 701 and the horizontal section 501, and an electromagnetic exhaust valve 16 installed on the horizontal section 501; electromagnetic valves 8 are respectively installed in the horizontal section 501 near the first vertical section 502, the transition pipe 15, and the second vertical section 503.

[0029] Preferably, the volume of the water storage cylinder 701 is greater than the sum of the volumes of the horizontal section 501 and the second vertical section 503, and the water storage cylinder 701 is provided with a water injection pipe 17.

[0030] Preferably, after the water in the water storage cylinder 701 enters the horizontal section 501 and the second vertical section 503 and is discharged, the horizontal section 501 and the second vertical section 503 form a negative pressure channel 9.

[0031] In the above setup, water is injected into the water storage tank 701 through the water injection pipe 17. During the backwashing process, the solenoid valve 8 and the solenoid vent valve 16 on the transition section are opened, and the water in the water storage tank 701 enters the horizontal section 501 and the second vertical section 503. The solenoid valve 8 and the solenoid vent valve 16 on the transition section are closed, and the solenoid valve 8 on the first vertical section 502 and the second vertical section 503 is opened. At this time, only some air exists in the first vertical section 502 in the drain pipe 5. After the water in the second vertical section 503 is discharged, a negative pressure is generated to expel the air in the first vertical section 502. The sewage containing a large number of impurities that has been separated from the filter layer 4 through the suction pipe 601 is sucked into the drain pipe 5 and discharged. There is no need to wait for the filter zone 2 to be filled with sewage and for the air to be expelled from the siphon pipe before the sewage is discharged, which reduces the waiting time. At the same time, the sewage containing a large number of impurities in the adjacent filter layer 4 is discharged in a targeted manner, which improves the sewage discharge efficiency.

[0032] Further, see Figure 3The pressurization generator 12 includes a high-pressure water pump 1201, and a high-pressure water pipe 18 is provided between the high-pressure water pump 1201 and the disturbance pipe 10; the nozzle 11 is inclinedly arranged on the suction pipe 601.

[0033] Preferably, the included angle α between the nozzle 11 and the suction pipe 601 is in the range of 120°-150°, so that the included angle between the nozzle 11 and the filter layer 4 is in the range of 120°-150°.

[0034] Further, see Figure 3 The end of the nozzle 11 away from the suction pipe 601 is a flat nozzle 19, and the width of the nozzle 19 increases progressively.

[0035] Preferably, the nozzle 11 is a flat funnel shape and is connected to the disturbance tube 10.

[0036] In the above setup, during the backwashing process, the high-pressure water pump 1201 pressurizes clean water and sprays it out from the nozzle 11 through the high-pressure water pipe 18 and the disturbance pipe 10. Under the action of the high-pressure water flow, the impurities attached to the filter layer 4 are washed by high pressure, which improves the washing effect of the filter layer 4. There is an angle between the nozzle 11 and the filter layer 4 and the width of the nozzle 19 increases, which can expand the washing area of ​​the filter layer 4.

[0037] In this embodiment, when backwashing the impurities attached to the filter layer 4, the water is pressurized by the high-pressure water pump 1201 and sprayed out from the nozzle 11. The impurities on the filter layer 4 are washed off by high pressure and mixed with the sewage. The water in the water storage tank 701 enters the drain pipe 5 and flows out after the first vertical section 502 and the second vertical section 503 are opened. The negative pressure is generated and the sewage and mixed impurities are sucked out into the backwash water collection tank through the suction holes 14 on the drain pipe 5, suction pipe 601 and branch pipe 13, thereby improving the backwashing efficiency and reducing the backwash discharge volume.

[0038] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A novel pretreatment water purifier siphon tube assembly, comprising a filtration system (1), wherein the filtration system (1) is provided with a filtration zone (2) and a clear water zone (3); a filtration layer (4) is provided between the filtration zone (2) and the clear water zone (3); characterized in that, Also includes: The sewage system includes a sewage pipe (5) connected to the filter zone (2), a suction device (6) installed on the sewage pipe (5), and a negative pressure device (7) installed on the sewage pipe (5); a solenoid valve (8) is installed inside the sewage pipe (5); the suction device (6) extends into the filter zone (2) and is adjacent to the filter layer (4); a negative pressure channel (9) is formed between the negative pressure device (7) and the sewage pipe (5); The disturbance system includes a disturbance pipe (10) installed in the drain pipe (5) and a nozzle (11) installed at the end of the suction device (6); a pressure generator (12) is connected to the outside of the disturbance pipe (10), and the disturbance pipe (10) is connected to the nozzle (11).

2. The novel pretreatment water purifier siphon tube assembly according to claim 1, characterized in that: The sewage pipe (5) includes a horizontal section (501) set horizontally, a first vertical section (502) and a second vertical section (503) set at both ends of the horizontal section (501); the first vertical section (502) is located in the filtration zone (2) and is connected to the suction device (6); the second vertical section (503) is located outside the clean water zone (3) and is connected to the acceleration device.

3. The novel pretreatment water purifier siphon tube assembly according to claim 2, characterized in that: The suction device (6) includes a suction pipe (601); multiple sets of suction pipes (601) are arranged circumferentially along the first vertical section (502).

4. The novel pretreatment water purifier siphon tube assembly according to claim 3, characterized in that: The negative pressure component (7) includes a water storage cylinder (701) disposed on the horizontal section (501); a transition pipe (15) is provided between the water storage cylinder (701) and the horizontal section (501); an electromagnetic exhaust valve (16) is provided on the horizontal section (501); and electromagnetic valves (8) are respectively disposed in the horizontal section (501) near the first vertical section (502), the transition pipe (15), and the second vertical section (503).

5. A novel pretreatment water purifier siphon tube assembly according to claim 4, characterized in that: The pressurization generator (12) includes a high-pressure water pump (1201); a high-pressure water pipe (18) is provided between the high-pressure water pump (1201) and the disturbance pipe (10); the nozzle (11) is inclinedly arranged on the suction pipe (601).

6. A novel pretreatment water purifier siphon tube assembly according to claim 5, characterized in that: The end of the nozzle (11) away from the suction pipe (601) is a flat nozzle (19); the width of the nozzle (19) increases progressively.

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