CN220834267U - Periodic flushing type sand sedimentation tank structure - Google Patents

Periodic flushing type sand sedimentation tank structure Download PDF

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Publication number
CN220834267U
CN220834267U CN202322704953.3U CN202322704953U CN220834267U CN 220834267 U CN220834267 U CN 220834267U CN 202322704953 U CN202322704953 U CN 202322704953U CN 220834267 U CN220834267 U CN 220834267U
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China
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sand
space
channel
sedimentation tank
sand settling
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CN202322704953.3U
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Chinese (zh)
Inventor
宗义
屈玉竹
罗志文
孙若尧
陈渴鑫
母文婷
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PowerChina Kunming Engineering Corp Ltd
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PowerChina Kunming Engineering Corp Ltd
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Abstract

The utility model discloses a periodic flushing type sand sedimentation tank structure, which relates to the technical field of sand sedimentation tanks and comprises a sand sedimentation tank and a dredging component; a circulating space and a sand settling space which are communicated with each other are arranged in the sand settling tank, and a water inlet channel and a water outlet channel are arranged on the sand settling tank; the dredging component comprises a first blocking piece and a second blocking piece, and the first blocking piece is used for blocking the water outlet channel; the second plugging piece is provided with a flushing channel and a valve plate, and is used for isolating the circulation space and the sand settling space, and water flow entering through the water inlet channel forms vortex at the sand settling space to enable the flow speed to be reduced, and sediment in the water flow is deposited in the sand settling space to avoid the blockage of the circulation space by the sediment; and under the action of the first blocking piece and the second blocking piece, the water storage channel, the separation circulation space and the sediment space are respectively blocked, so that water flow is collected in the circulation space, and along with the rising of the water level and the water pressure in the circulation space, the pressurized water flow flows out of the flushing channel after the valve plate is opened to flush the sludge in the sediment space.

Description

Periodic flushing type sand sedimentation tank structure
Technical Field
The utility model relates to the technical field of sand settling ponds, in particular to a periodic flushing type sand settling pond structure.
Background
The sewage is inevitably mixed with sediment during the migration, flow and collection processes. If sand in the sewage is not settled, separated and removed in advance, the operation of subsequent treatment equipment can be influenced. The most important is that the pump of the wearing machine blocks the pipe network, and interferes with or even damages the biochemical treatment process. The sediment tank is mainly used for removing sediment in sewage to protect facilities such as pipeline, valve from wearing and blocking, and sediment after subsidence is located the bottom of the sediment tank, and long-time accumulation easily causes sediment tank internal volume to reduce, and sediment accumulated after subsidence is discharged along with the rivers easily simultaneously, makes the function of sediment tank lack.
The utility model of patent number CN211215560U discloses a desilting pond convenient for desilting, which comprises a desilting unit and a desilting unit; the sand setting unit comprises a sand setting tank and a sediment baffle arranged in the sand setting tank, and a tank wall at one side of the lowest point of the bottom of the sand setting tank along the water flow direction is provided with a sand discharge port; the dredging unit comprises a sewage channel and a valve arranged at the outlet of the sewage channel, the sewage channel is arranged in the same direction with water flow in the sand settling unit, the sewage channel is horizontally arranged and is in through connection with the sand discharge port, a gate is arranged at the joint of the sewage channel and the sand discharge port, the gate is vertically opened and closed, when dredging is needed, the gate and the valve are opened, and under the action of water pressure and the inclined bottom of the pond, sand and silt are flushed towards the sewage channel together to be removed, so that the effect of convenient dredging is achieved; in this patent, drive grit and silt and wash the blowdown passageway through rivers and realize the desilting operation together, however, the bottom of desilting pond is equipped with silt baffle, and silt baffle shelters from grit and silt and subsides in the bottom of desilting pond, and grit and silt after the subsidence adsorb at the bottom of the pond of desilting pond, are difficult to by the bottom of the pond of stripping desilting pond under the circulation effect of rivers, after opening gate and valve, grit and silt of desilting pond bottom are difficult to get into blowdown passageway and discharge.
Disclosure of utility model
The utility model mainly aims to provide a regular flushing type sand sedimentation tank structure which is used for solving the problem that the existing sand sedimentation tank is difficult to clean sand and silt settled at the bottom of the sand sedimentation tank through water flow circulation.
In order to achieve the above object, the present utility model provides a periodically flushing type sand settling tank structure comprising:
A sand sedimentation tank; a circulating space and a sand settling space which are mutually communicated are arranged in the sand settling tank, and a water inlet channel and a water outlet channel which are communicated with the sand settling space are arranged on the sand settling tank; the sand settling space is arranged on one side of an axis extension line of the water inlet channel, the area of the cross section of the sand settling space is larger than that of the cross section of the water inlet channel, and the bottom end of the sand settling space is lower than the bottom of the sand settling tank;
The dredging assembly comprises a first blocking piece and a second blocking piece which are movably arranged on the sand sedimentation tank; the first blocking piece is positioned at the water outlet channel and is used for blocking the water outlet channel; a flushing channel is formed in the second blocking piece, and a valve plate positioned in the flushing channel is slidably arranged in the second blocking piece; a floating piece connected with the valve plate is arranged on the second plugging piece; the second blocking piece is used for isolating a circulation space and a sand settling space; the floating piece moves upwards under the buoyancy action of external water flow so as to enable the valve plate to move away from the flushing channel.
As a further improvement of the utility model, the bottom of the sand sedimentation tank is inclined towards the sand sedimentation space, and a guide channel is obliquely arranged between the bottom of the sand sedimentation tank and the sand sedimentation space; and a height difference exists between one end of the guide channel, which is close to the sand sedimentation tank, and the tank bottom of the sand sedimentation tank.
As a further improvement of the utility model, one end of the bottom of the sand sedimentation tank, which is close to the water outlet channel, is higher than one end of the bottom of the sand sedimentation tank, which is close to the water inlet channel; the outer edge of the sand settling space far away from the sand settling tank is provided with a sewage draining channel, and a valve is arranged in the sewage draining channel.
As a further improvement of the utility model, the bottom end of the sand settling space is inclined towards the sewage disposal channel.
As a further improvement of the utility model, the first blocking member includes a first shutter; the second blocking piece comprises a second gate; the top of the sand sedimentation tank is provided with a first chute and a second chute respectively; the first gate is slidably positioned in the first chute; the second gate is slidably positioned in the second chute.
As a further development of the utility model, the flushing channel is an elongated slot provided on the second gate; the center surface of the slot is inclined to the end surface of the second gate in the vertical direction, and one end of the slot, which is close to the circulation space, is higher than one end of the slot, which is close to the sand sediment space.
As a further improvement of the utility model, a through groove communicated with the slit is arranged in the second gate, and a vertical groove communicated with the through groove is arranged on the end surface of the second gate close to the circulation space; a lifting rod connected with the valve plate is arranged in the through groove; the lifting rod is sleeved with a rebound piece, and is connected with the floating piece; the rebound piece is respectively connected with the lifting rod and the inner wall of the through groove.
As a further improvement of the utility model, the bottom end of the valve plate is provided with a wedge-shaped plate; sealing elements are arranged on the side edges of the valve plate and the bottom end of the wedge-shaped plate.
The beneficial effects of the utility model are as follows:
the volume in the circulation space is increased by arranging the sand sediment space, so that the flow speed of water flow entering through the water inlet channel is slowed down, and vortex is formed at the sand sediment space, so that sediment in the water flow is conveniently deposited in the sand sediment space, and the phenomenon that the circulation space is blocked by the sediment is avoided; and under the action of the first blocking piece and the second blocking piece, the water storage channel, the separation circulation space and the sediment space are respectively blocked, so that water flow is collected in the circulation space, and along with the rising of the water level and the water pressure in the circulation space, the pressurized water flow flows out of the flushing channel after the valve plate is opened to flush the sludge in the sediment space.
Drawings
FIG. 1 is a schematic view of the overall structure of a periodically flushed grit chamber of the present utility model;
FIG. 2 is a schematic view showing the internal structure of a periodically flushing type sand sedimentation tank according to the present utility model;
FIG. 3 is a schematic view of a second closure member of a periodically flushed grit chamber of the present utility model;
FIG. 4 is a schematic view of a floating member and valve connection structure of a periodically flushing type sand sedimentation tank structure according to the present utility model;
reference numerals illustrate:
1. A sand sedimentation tank; 2. a circulation space; 3. sand settling space; 4. a water inlet channel; 5. a water outlet channel; 6. a first blocking member; 601. a first gate; 7. a second blocking member; 701. a second gate; 8. a flushing channel; 801. a slot; 9. a valve plate; 10. a floating member; 11. a guide channel; 12. a retaining wall; 13. a trapway; 14. a valve; 15. a first chute; 16. a second chute; 17. a through groove; 18. a vertical groove; 19. a lifting rod; 20. a rebound member; 21. wedge plate; 22. and a seal.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the described embodiments are merely some, but not all embodiments of the present utility model. Embodiments of the utility model and features of the embodiments may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In one embodiment, referring to fig. 1, a periodic flushing type sand sedimentation tank structure of the present utility model comprises a sand sedimentation tank 1 and a dredging assembly.
Wherein, referring to fig. 2, a circulating space 2 and a sand settling space 3 which are mutually communicated are arranged in the sand settling tank 1, and a water inlet channel 4 and a water outlet channel 5 which are communicated with the sand settling space 3 are arranged on the sand settling tank 1; the sand settling space 3 is arranged at one side of the axis extension line of the water inlet channel 4, the area of the cross section of the sand settling space 3 is larger than that of the cross section of the water inlet channel 4, and the bottom end of the sand settling space 3 is lower than the bottom of the sand settling tank 1; the water inlet channel 4 and the water outlet channel 5 are arranged in parallel; the dredging component comprises a first blocking piece 6 and a second blocking piece 7 which are movably arranged on the sand sedimentation tank 1, the first blocking piece 6 is positioned at the water outlet channel 5, and the first blocking piece 6 is used for blocking the water outlet channel 5; the second blocking piece 7 is provided with a flushing channel 8, a valve plate 9 positioned in the flushing channel 8 is arranged in the second blocking piece 7 in a sliding manner, the second blocking piece 7 is provided with a floating piece 10 connected with the valve plate 9, the second blocking piece 7 is used for isolating the circulation space 2 and the sand settling space 3, and the floating piece 10 moves upwards under the buoyancy of external water flow so that the valve plate 9 moves away from the flushing channel 8.
Specifically, referring to fig. 2, the bottom of the sand sedimentation tank 1 is inclined towards the sand sedimentation space 3, a guide channel 11 is obliquely arranged between the bottom of the sand sedimentation tank 1 and the sand sedimentation space 3, and a height difference exists between one end of the guide channel 11, which is close to the sand sedimentation tank 1, and the bottom of the sand sedimentation tank 1.
Preferably, the sand sedimentation tank 1 is a cuboid with hollow inside, one side of the sand sedimentation tank 1 is provided with a circular arc retaining wall 12, and the retaining wall 12 forms a sand sedimentation space 3 in the enclosed area between the sand sedimentation tanks 1.
Preferably, the cross section of the sand settling space 3 is in a semicircular structure.
Preferably, the axis of the water inlet channel 4 is directed towards the sediment space 3.
Further, referring to fig. 2, the end of the bottom of the sand sedimentation tank 1 adjacent to the water outlet channel 5 is higher than the end of the bottom of the sand sedimentation tank 1 adjacent to the water inlet channel 4; the outer edge of the sand settling space 3, which is far away from the sand settling tank 1, is provided with a blow-down channel 13, and a valve 14 is arranged in the blow-down channel 13.
Preferably, the trapway 13 is a square masonry structure with a hollow interior.
In the above-mentioned setting, sediment space 3 increases the volume of circulation space 2 department, and at sediment space 3 department rivers formation vortex, when the silt circulation that rivers carried to sediment space 3 departments, the rivers velocity of flow slows down to be convenient for sediment subsides in sediment space 3 departments, because sediment space 3's bottom is less than sediment tank 1's bottom of a pool, and sediment is at sediment space 3's bottom under the guide of guide channel 11, sediment tank 1's bottom of a pool inclines towards sediment space 3 simultaneously, also is convenient for with sediment guide to sediment space 3 in.
Further, referring to fig. 2, the bottom end of the sand settling space 3 is inclined toward the sewage drain 13.
Preferably, the bottom end of the sand settling space 3 is formed by cutting half of a funnel-shaped structure, and the small opening end of the bottom end of the sand settling space 3 is communicated with the sewage disposal channel 13.
Further, referring to fig. 2, the first blocking member 6 includes a first shutter 601, and the second blocking member 7 includes a second shutter 701; the top of the sand sedimentation tank 1 is respectively provided with a first chute 15 and a second chute 16, the first gate 601 is slidably positioned in the first chute 15, and the second gate 701 is slidably positioned in the second chute 16.
Preferably, two lifts are arranged on the top end of the sand sedimentation tank 1, and the two lifts are respectively connected with the first gate 601 and the second gate 701.
Further, referring to fig. 3, the flushing channel 8 is an elongated slit 801 provided in the second gate 701, the center surface of the slit 801 is inclined to the end surface of the second gate 701 in the vertical direction, and the end of the slit 801 adjacent to the flow space 2 is higher than the end of the slit 801 adjacent to the sand setting space 3.
Preferably, the slots 801 are arranged in multiple groups at intervals in the vertical direction.
Further, referring to fig. 3 and 4, a through groove 17 communicating with the slit 801 is formed in the second gate 701, and a vertical groove 18 communicating with the through groove 17 is formed on an end surface of the second gate 701 adjacent to the circulation space 2; a lifting rod 19 connected with the valve plate 9 is arranged in the through groove 17, a rebound piece 20 is sleeved on the lifting rod 19, and the lifting rod 19 is connected with the floating piece 10; the rebound member 20 is connected to the lift rod 19 and the inner wall of the through groove 17.
Preferably, the second gate 701 is located right above the junction of the bottom of the sand basin 1 and the guide channel 11.
Preferably, the floating member 10 adopts a hollow floating ball; the rebound member 20 adopts a spring, and two ends of the spring are fixedly connected with the outer wall of the lifting rod 19 and the inner wall of the through groove 17 respectively.
In the above-mentioned setting, when wasing silt, the silt in the sediment space 3, the lifting machine drives first gate 601, the second gate 701 moves down, first gate 601 seals the drain passage, the second gate 701 separates circulation space 2 and sediment space 3, rivers are stored in circulation space 2, along with the water level in circulation space 2 rises, the water pressure in circulation space 2 rises simultaneously, drive the floater after the water level rises, lift lever 19, valve plate 9 moves up along with it and opens slot 801, rivers flow out from slot 801 and wash the silt in the sediment space 3, because the rivers in circulation space 2 possess pressure, when rivers flow out from slot 801, the passageway that water supply flow in slot 801 department is comparatively narrow and small, therefore make the rivers flow through slot 801 possess pressure, thereby can wash the attached silt in sediment space 3 bottom, the slope setting simultaneously, one end that slot 801 kept away from circulation space 2 is towards sediment space 3, make the water flow out from slot 801 flow out to the silt in the sediment space 3, the silt in the bottom of the sediment space 3 is convenient for wash the sediment space 3.
Further, referring to fig. 4, a wedge plate 21 is provided at the bottom end of the valve plate 9, and sealing members 22 are provided on both sides of the valve plate 9 and the bottom end of the wedge plate 21.
Preferably, the beveled edge of wedge plate 21 is parallel to the bottom end of slot 801.
Preferably, the seal 22 is a sealing rubber gasket.
In the above arrangement, the bottom end of the wedge plate 21 can be tightly attached to the end face of the slot 801, and the slot 801 is sealed under the action of the sealing rubber gasket, so that water flow is prevented from flowing out of the slot 801 and gaps between the wedge plate 21 and the valve plate 9, and the pressure of the water flow flowing out of the slot 801 is reduced.
In the embodiment, the sediment space 3 increases the space at the circulation space 2, and when water flows into the circulation space 2, vortex is formed in the sediment space 3 to slow down the flow velocity of the water, so that sediment is convenient to deposit, and the sediment is guided into the sediment space 3 to avoid the sediment from blocking the circulation space 2; when dredging the sediment space 3, the first gate 601 and the second gate 701 are downwards moved by a lifting machine to respectively seal the water outlet channel 5, the separation circulation space 2 and the sediment space 3, so that water flows in the circulation space 2 to be collected, the water level in the circulation space 2 is increased along with the water level, the water level is increased, the floating piece is driven to upwards move after the water level is increased so that the valve plate 9 is opened, the rebound piece 20 is compressed, the water flows out of the slit 801 to wash the sludge in the sediment space 3, and the washed sludge is discharged from the sewage disposal channel 13; after the silt in the sand sediment space 3 is washed, the elevator drives the first gate 601 and the second gate 701 to move upwards, the water outlet channel 5 is opened again, the floating piece leaves the water surface, the rebound piece 20 is recovered, and the valve plate 9 moves downwards to seal the slit 801.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (8)

1. A periodically flushing type sand sedimentation tank structure, comprising:
A sand sedimentation tank (1); a circulating space (2) and a sand settling space (3) which are mutually communicated are arranged in the sand settling tank (1), and a water inlet channel (4) and a water outlet channel (5) which are communicated with the sand settling space (3) are arranged on the sand settling tank (1); the sand settling space (3) is arranged on one side of an axis extension line of the water inlet channel (4), the area of the cross section of the sand settling space (3) is larger than that of the cross section of the water inlet channel (4), and the bottom end of the sand settling space (3) is lower than the bottom of the sand settling tank (1);
The dredging component comprises a first blocking piece (6) and a second blocking piece (7) which are movably arranged on the sand sedimentation tank (1); the first blocking piece (6) is positioned at the water outlet channel (5), and the first blocking piece (6) is used for blocking the water outlet channel (5); a flushing channel (8) is formed in the second blocking piece (7), and a valve plate (9) positioned in the flushing channel (8) is arranged in the second blocking piece (7) in a sliding manner; a floating piece (10) connected with the valve plate (9) is arranged on the second blocking piece (7); the second blocking piece (7) is used for isolating the circulation space (2) and the sand settling space (3); the floating piece (10) moves upwards under the buoyancy of external water flow so as to enable the valve plate (9) to move away from the flushing channel (8).
2. A periodically flushing sand sedimentation tank structure as set forth in claim 1, wherein: the bottom of the sand sedimentation tank (1) inclines towards the sand sedimentation space (3), and a guide channel (11) is obliquely arranged between the bottom of the sand sedimentation tank (1) and the sand sedimentation space (3); the guide channel (11) has a height difference between one end close to the sand sedimentation tank (1) and the tank bottom of the sand sedimentation tank (1).
3. A periodically flushing sand sedimentation tank structure as claimed in claim 2, wherein: one end of the bottom of the sand sedimentation tank (1) close to the water outlet channel (5) is higher than one end of the bottom of the sand sedimentation tank (1) close to the water inlet channel (4); the outer edge of the sand settling space (3) far away from the sand settling tank (1) is provided with a sewage draining channel (13), and a valve (14) is arranged in the sewage draining channel (13).
4. A periodically flushing sand sedimentation tank structure as set forth in claim 3, wherein: the bottom end of the sand settling space (3) is inclined towards the sewage draining channel (13).
5. A periodically flushing sand settling tank structure as claimed in claim 4, wherein: the first blocking member (6) comprises a first gate (601); the second blocking piece (7) comprises a second gate (701); the top of the sand sedimentation tank (1) is provided with a first chute (15) and a second chute (16) respectively; the first gate (601) is slidably positioned in the first chute (15); the second gate (701) is slidably positioned in the second chute (16).
6. A periodically flushing sand settling tank structure as claimed in claim 5, wherein: the flushing channel (8) is an elongated slot (801) arranged on the second gate (701); the central surface of the slit (801) is inclined to the end surface of the second gate (701) in the vertical direction, and one end of the slit (801) close to the circulation space (2) is higher than one end of the slit (801) close to the sand setting space (3).
7. A periodically flushing sand settling tank structure as claimed in claim 6, wherein: a through groove (17) for communicating the slit (801) is formed in the second gate (701), and a vertical groove (18) for communicating the through groove (17) is formed in the end face, close to the circulation space (2), of the second gate (701); a lifting rod (19) connected with the valve plate (9) is arranged in the through groove (17); a rebound piece (20) is sleeved on the lifting rod (19), and the lifting rod (19) is connected with the floating piece (10); the rebound piece (20) is respectively connected with the lifting rod (19) and the inner wall of the through groove (17).
8. A periodically flushing sand settling tank structure as claimed in claim 6, wherein: a wedge-shaped plate (21) is arranged at the bottom end of the valve plate (9); and sealing elements (22) are arranged on the side edges of the valve plate (9) and the bottom end of the wedge-shaped plate (21).
CN202322704953.3U 2023-10-09 2023-10-09 Periodic flushing type sand sedimentation tank structure Active CN220834267U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322704953.3U CN220834267U (en) 2023-10-09 2023-10-09 Periodic flushing type sand sedimentation tank structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322704953.3U CN220834267U (en) 2023-10-09 2023-10-09 Periodic flushing type sand sedimentation tank structure

Publications (1)

Publication Number Publication Date
CN220834267U true CN220834267U (en) 2024-04-26

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ID=90772993

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322704953.3U Active CN220834267U (en) 2023-10-09 2023-10-09 Periodic flushing type sand sedimentation tank structure

Country Status (1)

Country Link
CN (1) CN220834267U (en)

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