CN211215560U - Desilting basin convenient to desilting - Google Patents

Abstract

The utility model relates to a soil and water conservation technical field discloses a desilting pond convenient to desilting, a serial communication port, include: the desilting unit comprises a desilting pool and a desilting unit, the desilting unit comprises a desilting pool and a silt baffle arranged in the desilting pool, the bottom of the desilting pool is of an inclined plane structure, a sand discharge opening is formed in the pool wall of the bottom of the desilting pool on one side of the lowest point in the water flow direction, and the silt baffle is detachably connected with the bottom of the desilting pool; the dredging unit comprises a sewage channel and a valve arranged at the opening of the sewage channel, the sewage channel and the water flow in the sand settling unit are arranged in the same direction, the sewage channel is horizontally arranged and is communicated with the sand discharge opening, and a gate is arranged at the connection part of the sewage channel and the sand discharge opening; the utility model discloses the global design makes the silt of desilting basin bottom discharge smoothly through sewage pipes, is convenient for clear up silt and grit.

Description

Desilting basin convenient to desilting

Technical Field

The utility model relates to a soil and water conservation technical field particularly, relates to a desilting pond convenient to desilting.

Background

In the face of the more and more severe contradiction between water supply and demand, how to fully and effectively utilize rainwater resources becomes one of the hot topics for water resource development in China. The high-speed urbanization and the inappropriate urban pattern construction concept enable the quantity and proportion of the impervious underlying surface (the surface of the earth directly contacting with the lower atmosphere layer) to be rapidly increased, the urban heat island effect is obvious and the like, so that the urban rainwater environment and the operation rule are changed, the surface runoff quantity is increased, the runoff coefficient is increased, the rainwater confluence time is shortened, the peak flow quantity is increased, and the inland inundation disaster is frequently caused. As a country with water shortage of resource, the urban flood disaster is increasingly dilemma due to serious water resource shortage, and the full and effective utilization of rainwater resources becomes one of effective ways to relieve the urban water shortage and improve the environment.

Due to the different textures of the underlying surface and the differences of rainfall characteristics and the like, in the rainwater collection and utilization process, rainwater often carries settleable and suspendable solid particles in the flowing and transferring processes, and if the rainwater is not filtered and settled, the operation and the use of next-stage recycling equipment can be influenced. Therefore, in order to make the most of the rainwater effectively used, it is necessary to filter and settle foreign particles in the rainwater. The existing rainwater treatment equipment has the problems of easy blockage and inconvenient dredging, and cannot obtain a good desilting effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a desilting pond convenient to desilting makes the silt of desilting bottom of the pool can discharge smoothly through sewage pipes through the global design, is convenient for clear up silt and grit.

The embodiment of the utility model is realized like this: a desilting basin convenient for dredging comprises: a sand settling unit and a dredging unit.

The sand settling unit comprises a sand settling tank and a sand baffle arranged in the sand settling tank, the bottom of the sand settling tank is of an inclined plane structure, a sand discharge port is formed in the bottom of the sand settling tank along the tank wall on one side of the lowest point of the water flow direction, and the sand baffle can be detachably connected with the bottom of the sand settling tank.

The dredging unit comprises a sewage channel and a valve arranged at the position of the sewage channel, the sewage channel and water flow in the sand settling unit are arranged in the same direction, the sewage channel is horizontally arranged and is communicated with the sand discharging port, and a gate is arranged at the connecting position of the sewage channel and the sand discharging port.

Furthermore, the width of the surface of the desilting pool is more than or equal to the width of the water surface at the inlet of the desilting pool.

Furthermore, the inclined height of one side of the bottom of the desilting basin, which is connected with the sewage discharge channel, does not exceed the radial width of the sewage discharge channel.

Further, the trapway has a circular or rectangular cross-section.

Furthermore, the silt baffle is arranged at the bottom of the desilting tank in a staggered manner.

Furthermore, the wide side of silt baffle is settled and is flowed to the homonymy in rivers.

Furthermore, the projection direction of the silt baffle in the flow direction of the water flow accounts for more than 65% of the cross-sectional area of the desilting tank.

The utility model has the advantages that: the utility model provides a desilting pond convenient to desilting: the silt baffle blocks the gravel and the silt with the flow velocity being reduced, so that the gravel and the silt are settled at the bottom of the desilting pool, when a certain amount of gravel and silt are collected, the sewage discharge channel is opened, and the gravel and the silt are flushed together towards the sewage discharge channel under the action of water pressure and the inclined pool bottom to be discharged, so that the effect of convenient desilting is achieved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a top view of a desilting basin convenient for dredging provided by embodiments 1-2 of the present invention;

fig. 2 is a side sectional view of a desilting basin convenient for desilting provided by the embodiment 1-2 of the present invention;

fig. 3 is a front sectional view of the desilting basin convenient for desilting provided by the embodiment 1-2 of the present invention;

fig. 4 is a sectional view of a sand discharge port provided in embodiment 1 of the present invention;

fig. 5 is a sectional view of a sand discharge port provided in embodiment 2 of the present invention;

in the figure: 100-a sand settling unit, 110-a sand settling tank, 120-a sediment baffle, 130-a sand discharge port, 140-a gate, 150-a sand gathering ditch, 200-a desilting unit, 210-a sewage discharge channel and 220-a valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "inside" and "outside" are used for indicating the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the utility model is usually placed when using, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention.

The first embodiment is as follows:

referring to fig. 1 to 4, a desilting basin 110 for facilitating desilting includes: a sand settling unit 100 and a dredging unit 200; the dredging unit 200 is located at one side of the sand settling unit 100.

The sand settling unit 100 comprises a sand settling tank 110 and a sand baffle 120 arranged in the sand settling tank 110, the bottom of the sand settling tank 110 is of an inclined plane structure, a sand discharge port 130 is formed in the tank wall of the bottom of the sand settling tank 110 on the side of the lowest point in the water flow direction, and specifically, the sand discharge port 130 is a whole; the inclined bottom is beneficial to sand deposition and collects gravel and sludge at the position of the sand discharge port 130, the sand baffle 120 is detachably connected with the bottom of the sand deposition pool 110, and the sand baffle 120 blocks the gravel and sludge with reduced flow rate to enable the gravel and sludge to be deposited at the bottom of the sand deposition pool 110. Specifically, in this embodiment, the surface width of the pool of the sand basin 110 is greater than or equal to the surface width of the water at the inlet of the sand basin 110, slow down the speed of the water flow after entering the sand basin 110, thereby slow down the movement speed of gravel and silt, and then be separated by the silt baffle 120 of the staggered arrangement, further make it deposit at the bottom of the pool, further, the silt baffle 120 adopts a cuboid, the wide one side of the silt baffle 120 faces the direction of the water flow direction, the largest contact area is ensured, and in the projection direction of the water flow direction, the total area of the silt baffle 120 accounts for more than 65% of the cross-sectional area of the sand basin 110, and the effective blocking area is ensured.

The dredging unit 200 comprises a sewage channel 210 and a valve 220 arranged at the outlet of the sewage channel 210, the sewage channel 210 and the water flow in the desilting unit 100 are arranged in the same direction, the sewage channel 210 is horizontally arranged and is communicated with the sand discharge port 130, specifically, in the embodiment, the sewage channel 210 is rectangular, the maximum vertical inclined height of one side of the desilting pool 110, which is connected with the sewage channel 210, does not exceed the vertical height of the sewage channel 210, and a gate 140 is arranged at the connection part of the sewage channel 210 and the sand discharge port 130; it should be noted that there are two inclination angles of the bottom of the desilting basin 110, which are α and β, wherein the α inclination angle uses the upper surface of the rectangular sewage drainage channel 210 as a reference plane, and the β inclination angle uses the cross section of the rectangular horizontal sewage drainage channel 210 as a reference plane, wherein the maximum vertical inclination height using the cross section of the rectangular horizontal sewage drainage channel 210 as the reference plane does not exceed the vertical height of the rectangular sewage drainage channel 210, so as to ensure that the sand outlet 130 can be completely communicated with the sewage drainage channel 210; the gate 140 is arranged at the connection part of the sewage channel 210 and the sand discharge port 130 to divide the sewage channel 210 and the sand basin 110, when dredging is needed, the gate 140 and the valve 220 are opened, and under the action of water pressure and inclined bottom of the basin, gravel and sludge are flushed to the sewage channel 210 together to be discharged, so that the function of convenient dredging is achieved.

Example two:

in this embodiment, the setup is basically the same as the first embodiment, except that: referring to fig. 5, the pool bottom is further provided with a sand collecting ditch 150, the sand discharging ports 130 are single openings and are arranged at the pool bottom of the desilting pool 110 at intervals, each sand discharging port 130 is in through connection with the desilting pool 110 at the sand collecting ditch 150, and each sand discharging port is independently provided with a gate; when dredging is needed, the gate and the valve 220 are opened one by one, and under the action of water pressure and the inclined pool bottom, the sand and the sludge are flushed to the sewage discharge channel 210 together to be discharged, so that the function of convenient dredging is achieved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a desilting pond convenient to desilting which characterized in that includes: a sand settling unit and a dredging unit;

the sand settling unit comprises a sand settling tank and a sand baffle arranged in the sand settling tank, the bottom of the sand settling tank is of an inclined plane structure, a sand discharge port is formed in the tank wall of the bottom of the sand settling tank on one side of the lowest point in the water flow direction, and the sand baffle is detachably connected with the bottom of the sand settling tank;

the desilting unit includes the trapway and locates the valve of trapway exit, the trapway with rivers syntropy setting in the desilting unit, the trapway level set up and with arrange husky mouthful through connection, the trapway with the junction of arranging husky mouthful is equipped with the gate, the gate is vertical opens and closes.

2. The desilting basin convenient to desilt of claim 1, wherein the width of the surface of the desilting basin is greater than or equal to the width of the water surface at the inlet of the desilting basin.

3. The desilting basin convenient for dredging as claimed in claim 1, wherein the inclined vertical height of the side of the bottom of the desilting basin connected with the sewage draining passage does not exceed the radial width of the sewage draining passage.

4. The desilting basin facilitating desilting of the claim 1, wherein the cross section of the sewage drain channel is circular or rectangular.

5. The desilting basin convenient to desilt of claim 1, characterized in that, the silt baffle sets up in the bottom of the desilting basin in a staggered way.

6. The desilting basin convenient to desilt of claim 1, characterized in that, the silt baffle is cuboid and the wide one face is towards the direction of rivers flow direction.

7. The desilting basin convenient to desilt of claim 1, characterized in that, the projection direction of the silt baffle in the water flow direction accounts for more than 65% of the cross-sectional area of the desilting basin.

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