CN216170656U

CN216170656U - Mud-sand-water separation tank at position of box culvert connected along open channel in mountainous area

Info

Publication number: CN216170656U
Application number: CN202122739234.6U
Authority: CN
Inventors: 吕瑞卿; 王志进; 汪坤
Original assignee: Hefei Municipal Design And Research Institute Co ltd
Current assignee: Hefei Municipal Design And Research Institute Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-04-05
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses a silt-sand-water separation tank at a box culvert followed by an open channel in a mountainous area, which comprises a silt-sand-water separation tank main body and a steamer tray group formed by combining a plurality of steamers, wherein the silt-sand-water separation tank main body is buried underground, the top of the silt-sand-water separation tank main body is provided with a water retaining sill, a plugging connection block is arranged between the silt-sand-water separation tank main body and a protection slope, one side of the top of the silt-sand-water separation tank main body is provided with a detachable cover plate, and the other side of the top of the silt-sand-water separation tank main body is provided with the steamer tray group. The main body of the mud-sand-water separation tank can effectively intercept and separate mud and sand carried by water flow under the condition of no operation of a person, and avoids the bad condition that the mud and sand are difficult to clean after entering a box culvert. The filtering piece has no special requirements and is easy to use local materials, and the work of replacing the filtering piece and cleaning the silt can be independently finished by only one person. The potential safety hazard of manually entering the box culvert for clearing in the traditional mode is completely avoided at the same time of high speed and high efficiency.

Description

Mud-sand-water separation tank at position of box culvert connected along open channel in mountainous area

Technical Field

The utility model relates to the technical field of municipal roads, in particular to a sand-water separation tank at a box culvert which is connected along an open channel in a mountainous area.

Background

When the open channel or river channel in the mountainous area needs to be connected with the box culvert in the same direction, a large amount of silt is wrapped by water flow and enters the box culvert, and the elevation of the bottom of the box culvert is raised after deposition to cause more serious silting. The space is dark narrow and small, muddy wet and slippery and probably contain fatal toxic gas in the box culvert, and artifical clear transportation has a great deal of problems such as the freight volume is little again, safety is difficult to guarantee when machinery is difficult to get into.

The person skilled in the art is dedicated to solving the above technical drawbacks.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks of the prior art, a technical object of the present invention is to solve the problems mentioned in the above-mentioned background art.

In order to achieve the technical purpose, the utility model provides a sand-mud water separation tank at a box culvert connected with an open channel in a mountainous area, which comprises a sand-mud water separation tank main body and a drawer group formed by combining a plurality of drawers, wherein the sand-mud water separation tank main body is buried underground, a water retaining ridge is arranged at the top of the sand-mud water separation tank main body, a blocking connection block is arranged between the sand-mud water separation tank main body and a slope protection, a detachable cover plate is arranged on one side of the top of the sand-mud water separation tank main body, the drawer group is arranged on the other side of the top of the sand-mud water separation tank main body, an overflow weir is arranged inside the sand-mud water separation tank main body, and a mud basin is arranged inside the sand-mud water separation tank main body.

Preferably, the cover plate is a flange cover plate, and a water stop ring is arranged at the whole opening of the flange cover plate for fastening the flange.

Preferably, the inner side of the silt and water separation tank main body is provided with support legs for supporting the drawer set.

Preferably, the steamer tray comprises lateral wall and diapire, the top of steamer tray is provided with hangs the piece, the hole has been seted up to the diapire of steamer tray, one of them lateral wall of steamer tray passes through the fastener and can dismantle with adjacent lateral wall and be connected, the bottom of steamer tray is provided with and filters.

Preferably, the filter element consists of geotextile and gravel, and the geotextile is arranged at the bottom of the gravel.

Preferably, a drain pipe is arranged on the overflow weir.

The utility model has the beneficial effects that:

due to the structural design, the main body of the silt and water separating tank can effectively intercept silt carried by water flow and separate the silt from the water flow under the condition of no operation of a person, so that the problem that the silt is difficult to clean after entering a box culvert is avoided.

(2) The main body of the silt and water separation tank is arranged in a buried mode, and basically does not occupy a water passing section.

(3) The size of the mud-sand-water separation tank main body can be adjusted according to the width of the open channel of each river and the content of mud and sand, and the mud-sand-water separation tank main body is widely suitable for the open channels and the river channels in most mountainous areas.

(4) The filter material is replaced and the silt in the silt basin is cleaned up regularly only by once construction and installation, and the maximum continuous operation can be up to one hundred years.

(5) The filtering piece has no special requirements and is easy to use local materials, and the work of replacing the filtering piece and cleaning the silt can be independently finished by only one person. The potential safety hazard of manually entering the box culvert for clearing in the traditional mode is completely avoided at the same time of high speed and high efficiency.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic cross-sectional view taken at A in FIG. 1;

FIG. 4 is a schematic plan view of a single drawer according to the present invention;

FIG. 5 is a schematic cross-sectional view of a single drawer according to the present invention.

In the figure: 1 silt-sand water separation tank main part, 2 manger plate bank, 3 shutoff links up soon, 4 apron, 5 drawers, 51 hang piece, 52 fasteners, 53 filter piece, 6 supporting legs, 7 overflow weir, 8 mud basin, 9 water-drain pipes.

Detailed Description

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.

Example (b):

as shown in fig. 1-5, a sand-mud water separation tank at a box culvert connected with an open channel in a mountain area comprises a sand-mud water separation tank main body 1 and a plurality of drawer groups formed by combining a plurality of drawers 5, wherein the sand-mud water separation tank main body 1 is buried underground, the sand-mud water separation tank main body 1 is a long-strip reinforced concrete structure, the length of the sand-mud water separation tank main body is equal to the width of the bottom of the cross section of the open channel, the width of the sand-mud water separation tank main body can be adjusted according to the sand amount of the open channel, and the sand-mud water separation tank can be 1.0 m-2.0 m unequal; the top of the main body 1 of the mud-sand-water separation tank is provided with a water blocking sill 2, the water blocking sill and concrete of the main body 1 of the mud-sand-water separation tank are poured at the same time, the height of the sand blocking sill is 20 centimeters, the length of the sand blocking sill is equal to the length of the main body 1 of the mud-sand-water separation tank minus the length of the drawer group, the sand blocking sill is arranged on a plane at a 3-degree corner along the water flow direction, and the sand blocking sill has the functions of blocking mud and sand which are deposited at the bottom of an open channel and are forced to pass through the drawer group under the action of water flow; a plugging connecting block 3 is arranged between the main body 1 of the sand-mud water separation tank and the slope protection, is used for plugging irregular gaps, is poured by concrete for the second time, and is a triangular frustum after initial setting hydration; be provided with in the top one side of silt particle separating tank main part 1 and dismantle apron 4, set up steamer tray group at the top opposite side of silt particle separating tank main part 1, the inside of silt particle separating tank main part 1 is provided with overflow weir 7, and the inside of silt particle separating tank main part 1 is provided with mud basin 8, and the minute part silt particle that carries in the aquatic provides the place of deposiing for the steamer tray group filters.

Specifically, apron 4 is the flange apron, and the flange apron is provided with stagnant water rubber circle in the whole mouth of flange fastening, and its effect is the clear mud entrance to a cave of shutoff, treats that the workman can open when clearing up inside heavy mud.

Specifically, the inner side of the silt and water separating tank body 1 is provided with supporting legs 6 for supporting the drawer set.

Concretely, steamer tray 5 comprises lateral wall and diapire, the top of steamer tray 5 is provided with hangs 51, the hole has been seted up to the diapire of steamer tray 5, one of them lateral wall of steamer tray 5 passes through fastener 52 and can dismantle with adjacent lateral wall and be connected, the bottom of steamer tray 5 is provided with filters 53, it comprises geotechnological cloth and gravel to filter 53, geotechnological cloth sets up the bottom at gravel, the silt particle of deposit bottom the open channel receives gravity effect when flowing through steamer tray group top and loops through gravel and geotechnological cloth, most silt particle is stayed in the steamer tray after filtering, water and the minimum silt particle in the silt particle pass the hole below of steamer tray group and fall into mud pit 8 of below.

Specifically, a water drain pipe 9 is arranged on the overflow weir 7, the overflow weir 7 and the silt water separation tank body 1 are poured together by concrete, the height of the overflow weir 7 and the silt water separation tank body 1 can be correspondingly adjusted according to the height of the internal space of the silt water separation tank body 1, the overflow weir is used for intercepting a very small part of silt carried in water after being filtered by the drawer group, the silt is deposited at the bottom of the mud basin 8, and only upper clear water can flow away through a drain pipe in an overflow mode; the water drain pipe 9 can be embedded with a PVC pipe with the diameter of 20 when concrete of the silt-water separation tank body 1 is poured, and a reverse filtration measure is needed on the side close to water. The water flow of the mountain open channel or the river channel is obviously changed along with the seasons in an alternating way, and the residual water in the silt basin in the dry period or the dry period can be drained gradually through the water drain pipe 9, so that the silt in the silt basin can be conveniently cleared by people while the poisonous and harmful gas is prevented from being bred in the water stored for a long time.

The working principle and the using process of the utility model are as follows:

in the process that mud and sand deposited at the bottom of the open channel or the river channel flows down along with water, the mud and sand sequentially pass through the filter element 55 (gravel and geotextile) in the drawer 5 under the action of gravity, and the subsequent mud and water are further guided to continuously enter the drawer group by negative pressure generated when the mud and water flow. Most of the silt is filtered and then left in the drawer set, and water and minimum silt in the silt pass through the holes below the drawer set and fall into the lower silt basin 8. The silt is deposited at the bottom of the mud basin 8, and the upper clear water flows away through the drain pipe in an overflow mode. Residual water in the mud basin 8 in the dry period or the dry period can be drained gradually through the water drain pipe 9, so that the mud and sand in the mud basin can be conveniently cleared and transported by personnel while toxic and harmful gas is prevented from being bred in a long-term water storage mode.

The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a mountain area open channel is in same direction as connecing box culvert department silt particle water separating tank which characterized in that: drawer group including silt particle separating tank main part (1) and a plurality of drawers (5) combination formation, silt particle separating tank main part (1) is buried underground, the top of silt particle separating tank main part (1) is provided with manger plate bank (2), be provided with the shutoff between silt particle separating tank main part (1) and the bank protection and link up piece (3) top one side of silt particle separating tank main part (1) is provided with can dismantle apron (4) the top opposite side of silt particle separating tank main part (1) sets up the drawer group, the inside of silt particle separating tank main part (1) is provided with overflow weir (7), the inside of silt particle separating tank main part (1) is provided with sedimentation tank (8).

2. The mud-sand-water separation tank at the open channel direct-connection box culvert in the mountainous area according to claim 1, characterized in that: the cover plate (4) is a flange cover plate, and a water stop ring is arranged at the whole opening of the flange cover plate for fastening the flange.

3. The mud-sand-water separation tank at the open channel direct-connection box culvert in the mountainous area according to claim 1, characterized in that: and support legs (6) for supporting the drawer set are arranged on the inner side of the silt and water separation tank main body (1).

4. The mud-sand-water separation tank at the open channel direct-connection box culvert in the mountainous area according to claim 1, characterized in that: drawer (5) comprise lateral wall and diapire, the top of drawer (5) is provided with hangs piece (51), the hole has been seted up to the diapire of drawer (5), one of them lateral wall of drawer (5) passes through fastener (52) and can dismantle with adjacent lateral wall and be connected, the bottom of drawer (5) is provided with filters piece (53).

5. The mud-sand-water separation tank at the open channel direct-connection box culvert in the mountainous area according to claim 4, characterized in that: the filtering piece (53) consists of geotextile and gravel, and the geotextile is arranged at the bottom of the gravel.

6. The mud-sand-water separation tank at the mountain open channel direct-connection box culvert according to claim 4 or 5, characterized in that: and a drain pipe (9) is arranged on the overflow weir (7).