CN212141752U

CN212141752U - Novel desilting basin

Info

Publication number: CN212141752U
Application number: CN202020686176.8U
Authority: CN
Inventors: 黄锐兴; 杨斌元
Original assignee: Jinhua Water Conservancy And Hydropower Survey And Design Institute Co ltd
Current assignee: Jinhua Water Conservancy And Hydropower Survey And Design Institute Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-15
Anticipated expiration: 2030-04-29

Abstract

The utility model relates to a desilting pond technical field specifically is a novel desilting pond, the equal fixedly connected with arc flow distribution plate in the inner wall left and right sides of water inlet, the splitter box has been seted up to the inside of arc flow distribution plate, the desilting pond body includes that upper portion erodees district, middle part transition district and lower part deposit district, the inside from the top down of desilting pond body has set gradually upper portion and has erodeed district, middle part transition district and lower part deposit district, the circular pressure plate that divides of inside lower extreme fixedly connected with of desilting pond body, upper portion erodees the district and includes pressure-reducing plate, filter, pivot, guiding gutter and guiding hole, the inner wall fixedly connected with pressure-reducing plate in district is erodeed on upper portion. When sinking sand, rivers strike the filter downwards, make the pivot drive the filter and rotate, have set up guiding gutter and water conservancy diversion hole simultaneously inside it, can slow down the speed of rivers, increase the time of sinking sand, for later the sediment has brought beneficial effect, the sediment effect is comparatively ideal.

Description

Novel desilting basin

Technical Field

The utility model relates to a desilting pond technical field specifically is a novel desilting pond.

Background

Along with the development of industrialization, water conservancy, hydropower and water supply engineering are more and more widely distributed, the engineering takes a natural river as a water source area to ensure the water demand and simultaneously needs to treat silt in guide water, at present, a water intake taking the natural river as the water source area mostly adopts still water desilting in a desilting pool, the whole desilting pool is of a rectangular section and has unidirectional longitudinal slope descending along the water flow direction, a guide canal, the desilting pool, a water supply channel, a sand discharge channel and a control gate are jointly used to take clear water and discharge the turbid water, and the settled silt with the designed particle size or more is discharged into a river channel again or is cleared out periodically.

In the sediment setting process, when water flow is great, the silt-carrying water flows through at a great speed, the flow velocity is great, the detention time in the sediment basin is short, the sediment setting capacity is relatively low, and the sediment setting effect is not ideal, so that the technical personnel in the field provide a novel sediment setting basin to solve the problems proposed in the background technology.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a novel desilting basin is reached by following specific technological means:

a novel sand basin comprises a water inlet and a sand basin body, wherein the left side and the right side of the inner wall of the water inlet are fixedly connected with arc-shaped splitter plates, splitter grooves are formed in the arc-shaped splitter plates, the sand basin body comprises an upper scouring area, a middle transition area and a lower deposition area, the inner part of the sand basin body is sequentially provided with the upper scouring area, the middle transition area and the lower deposition area from top to bottom, the lower end of the inner part of the sand basin body is fixedly connected with a circular splitter plate, the upper scouring area comprises a pressure reducing plate, a filter plate, a rotating shaft, a diversion groove and diversion holes, the inner wall of the upper scouring area is fixedly connected with a pressure reducing plate, the lower side of the pressure reducing plate is far away from and is fixedly provided with a rotating shaft on the inner wall of the upper scouring area, the opposite surface of the rotating shaft is fixedly connected with the filter plate, the diversion grooves are formed, middle part transition district includes arch post, buffering spring, support column, water conservancy diversion chamber, first current-limiting plate, current-limiting groove and second current-limiting plate, the inner wall fixedly connected with support column in middle part transition district, the inside fixed mounting of support column has the buffering spring, the inboard fixedly connected with arch post of buffering spring, the water conservancy diversion chamber has been seted up to the inside of arch post, the current-limiting groove is seted up to the inner wall of arch post, the inner wall of arch post from left to right in proper order fixed mounting have first current-limiting plate and second current-limiting plate, lower part deposit area is including taking out husky pipe and taking out husky pump, the equal fixedly connected with pump in the left and right sides in lower part deposit area, the inboard fixedly connected with of pump take out husky pipe.

As optimization, the adjacent arc-shaped splitter plates are arranged in equal proportion, the front ends of the arc-shaped splitter plates are arc-shaped, and the voltage dividing effect is more remarkable.

Preferably, the length of the pressure reducing plate is smaller than that of the water inlet, and the pressure reducing plate is better in pressure reduction.

Preferably, the second flow restriction plate is trapezoidal, and the height of the second flow restriction plate is greater than that of the first flow restriction plate, so that the flowing time of water is prolonged.

The utility model discloses possess following beneficial effect:

1. this novel desilting pond, the mouth of a river has set up the arc flow distribution plate, can separate water and husky in the rivers by the first step, simultaneously in order to avoid arc flow distribution plate can save some flowing sand down for a long time, its inside splitter box that has set up, better reposition of redundant personnel effect has been played, upper portion erodees the district and has set up the pressure reducing plate, can do certain wall effect to rivers like this, later rivers impact the filter downwards, it rotates to make the pivot drive the filter, diverter box and water conservancy diversion hole have been set up inside it simultaneously, can slow down the speed of rivers, increase the time of desilting, useful effect has been brought for later desilting, the desilting effect is comparatively ideal.

2. This novel sediment basin, under the effect of vaulted column and buffering spring, according to the hydraulics effect, under the buffering of vaulted column, the rivers of process are more steady, and rivers pass through the water conservancy diversion chamber, the effectual rivers flow time and the length of flow that has improved, thereby the deposition efficiency of silt has been improved, later under the effect of first current-limiting plate and second current-limiting plate, slow silt can deposit lower part deposit area, can obtain more pure water, set up simultaneously in lower part deposit area that circular minute clamp plate can be better carry out the deposit to silt, later start the pump of taking out sand, extract the silt of bottom through taking out the sand pipe, it is efficient to sink sand.

Drawings

Fig. 1 is a front view structure diagram of the present invention.

Fig. 2 is an enlarged view at P in fig. 1.

Fig. 3 is an enlarged view at O in fig. 1.

Fig. 4 is a schematic view of the cross-sectional structure a-a of the present invention.

Fig. 5 is a schematic view of the cross-sectional structure of B-B of the present invention.

In the figure: 1. a water inlet; 11. an arc-shaped splitter plate; 111. a shunt slot; 2. a desilting basin body; 3. an upper flushing zone; 31. a decompression plate; 32. a filter plate; 33. a rotating shaft; 34. a diversion trench; 35. a flow guide hole; 4. a middle transition zone; 41. an arched column; 42. a buffer spring; 43. a support pillar; 44. a flow guide cavity; 45. a first restrictor plate; 46. a flow limiting groove; 47. a second restrictor plate; 5. a circular pressure-dividing plate; 6. a lower deposition zone; 61. a sand pumping pipe; 62. and a sand pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a novel sand basin comprises a water inlet 1 and a sand basin body 2, wherein the left and right sides of the inner wall of the water inlet 1 are fixedly connected with arc-shaped splitter plates 11, the adjacent arc-shaped splitter plates 11 are arranged in equal proportion, the front ends of the arc-shaped splitter plates 11 are arc-shaped, splitter grooves 111 are arranged in the arc-shaped splitter plates 11, the sand basin body 2 comprises an upper scouring area 3, a middle transition area 4 and a lower deposition area 6, the inner part of the sand basin body 2 is sequentially provided with the upper scouring area 3, the middle transition area 4 and the lower deposition area 6 from top to bottom, the lower end of the inner part of the sand basin body 2 is fixedly connected with a circular splitter plate 5, the upper scouring area 3 comprises a pressure reducing plate 31, a filter plate 32, a rotating shaft 33, a diversion groove 34 and a diversion hole 35, the inner wall of the upper scouring area 3 is fixedly connected with the pressure reducing plate 31, and the length of, keep away from the downside of pressure reducing plate 31 and have pivot 33 at the inner wall fixed mounting in upper flushing area 3, the opposite face fixedly connected with filter 32 of pivot 33, guiding gutter 34 has been seted up to the inside of filter 32, water conservancy diversion hole 35 has been seted up to the inside of

pivot

33, 3 has set up pressure reducing plate 31 in upper flushing area, can do certain partition effect to rivers like this, later rivers impact filter 32 downwards, make pivot 33 drive filter 32 rotate, at its inside guiding gutter 34 and water conservancy diversion hole 35 of having set up simultaneously, can slow down the speed of rivers, increase the time of heavy sand, the beneficial effect has been brought for heavy sand afterwards.

In fig. 1, 3 and 5: the middle transition area 4 comprises an arched column 41, a buffer spring 42, a support column 43, a flow guide cavity 44, a first flow restriction plate 45, a flow restriction groove 46 and a second flow restriction plate 47, the second flow restriction plate 47 is trapezoidal, the height of the second flow restriction plate 47 is greater than that of the first flow restriction plate 45, the inner wall of the middle transition area 4 is fixedly connected with the support column 43, the buffer spring 42 is fixedly installed inside the support column 43, the arched column 41 is fixedly connected with the inner side of the buffer spring 42, the flow guide cavity 44 is arranged inside the arched column 41, the flow restriction groove 46 is arranged on the inner wall of the arched column 41, the first flow restriction plate 45 and the second flow restriction plate 47 are fixedly installed on the inner wall of the arched column 41 from left to right in sequence, the lower deposition area 6 comprises a sand pumping pipe 61 and a sand pumping pump 62, the sand pumping pumps 62 are fixedly connected on the left side and the right side of the lower deposition area 6, the sand pumping pump 62 is fixedly connected with, the rivers of process are more steady, and rivers pass through water conservancy diversion chamber 44, the effectual rivers flow time and the length of flow that has improved to the deposition efficiency of silt has been improved, later under the effect of first current board 45 and second current board 47, lower part sedimentation area 6 can be deposited to slow silt, can obtain more pure water.

When the sand settling tank is used, firstly, water flow needing sand settling is introduced into the sand settling tank body 2 from the water inlet 1, the arc-shaped splitter plate 11 is arranged at the water inlet 1, water and sand in the water flow can be separated in the first step, and meanwhile, in order to avoid that part of flowing sand can be accumulated by the arc-shaped splitter plate 11 for a long time, the splitter groove 111 is arranged in the water flow, so that a good splitting effect is achieved; when water flow enters the desilting basin body 2, because water has certain water force, in order to avoid floating of sand sediment at the bottom of the desilting basin body 2 due to impact, the pressure reducing plate 31 is arranged in the upper flushing area 3, so that the water flow can be separated to a certain extent, then the water flow impacts the filter plate 32 downwards, the rotating shaft 33 drives the filter plate 32 to rotate, meanwhile, the guide grooves 34 and the guide holes 35 are arranged in the upper flushing area 3, the speed of the water flow can be reduced, the sand sediment time can be increased, beneficial effects are brought to later sand sediment, meanwhile, the water flow continuously passes through the middle transition area downwards, under the action of the arched columns 41 and the buffer springs 42, according to the hydraulic effect, the passing water flow is more stable under the buffer of the arched columns 41, and the water flow passes through the guide cavity 44, the flow time and the flow length of the water flow are effectively improved, and thus the sediment deposition efficiency is improved, later under the effect of first current limiting plate 45 and second current limiting plate 47, lower part sedimentation area 6 can be deposited to slow silt, can obtain more pure water, has set up simultaneously in lower part sedimentation area 6 that circular minute clamp plate 5 can be better carries out the deposit to silt, later starts sand pump 62, extracts the silt of bottom through taking out husky pipe 61, and the desilting is efficient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel desilting basin, includes water inlet (1) and desilting basin body (2), its characterized in that: the inner wall left and right sides of the water inlet (1) are fixedly connected with arc-shaped splitter plates (11), splitter boxes (111) are arranged in the arc-shaped splitter plates (11), the sand settling tank body (2) comprises an upper scouring area (3), a middle transition area (4) and a lower deposition area (6), the inner part of the sand settling tank body (2) is sequentially provided with the upper scouring area (3), the middle transition area (4) and the lower deposition area (6) from top to bottom, the lower end of the inner part of the sand settling tank body (2) is fixedly connected with a circular splitter plate (5), the upper scouring area (3) comprises a pressure reducing plate (31), a filter plate (32), a rotating shaft (33), a diversion trench (34) and a diversion hole (35), the inner wall of the upper scouring area (3) is fixedly connected with the pressure reducing plate (31), the lower side of the pressure reducing plate (31) is far away from, and the rotating shaft (33) is fixedly installed on the inner wall of the upper, the opposite face fixedly connected with filter (32) of pivot (33), guiding gutter (34) have been seted up to the inside of filter (32), guiding hole (35) have been seted up to the inside of pivot (33), middle part transition zone (4) include arch post (41), buffering spring (42), support column (43), water conservancy diversion chamber (44), first current limiting plate (45), current limiting groove (46) and second current limiting plate (47), the inner wall fixedly connected with support column (43) of middle part transition zone (4), the inside fixed mounting of support column (43) has buffering spring (42), the inboard fixedly connected with arch post (41) of buffering spring (42), current guiding chamber (44) have been seted up to the inside of arch post (41), limited (46) have been seted up to the inner wall of arch post chute (41), the inner wall of arch post (41) from left to right in proper order fixed mounting have first current limiting plate (45) and second current limiting plate (47), the lower deposition area (6) comprises a sand pumping pipe (61) and a sand pumping pump (62), the left side and the right side of the lower deposition area (6) are fixedly connected with the sand pumping pump (62), and the inner side of the sand pumping pump (62) is fixedly connected with the sand pumping pipe (61).

2. The novel desilting basin according to claim 1, characterized in that: the adjacent arc-shaped splitter plates (11) are arranged in equal proportion, and the front ends of the arc-shaped splitter plates (11) are arc-shaped.

3. The novel desilting basin according to claim 1, characterized in that: the length of the pressure reducing plate (31) is smaller than that of the water inlet (1).

4. The novel desilting basin according to claim 1, characterized in that: the second throttling plate (47) is trapezoidal in shape, and the height of the second throttling plate (47) is larger than that of the first throttling plate (45).