TWI588321B - Reservoir siltation system - Google Patents

Description

Reservoir drainage system

The invention relates to a drainage system, in particular to a reservoir drainage system capable of removing sludge.

In Taiwan under the new tectonic active movement, the geological and topographical conditions are dynamic environments that are constantly changing. Therefore, earthquakes, heavy rains, or human factors damage the environment (such as developing roads, deforestation, changing plants, and increasing Land construction, etc., there will be disasters such as hill collapses and earth-rock flows, causing silt to accumulate in the reservoir in a large amount of time, seriously affecting the reservoir's water storage capacity and service life. Taking the current reservoirs in Taiwan as an example, the main reason is to use mechanical excavation or power extraction to remove the silt in the reservoir. Not only must the mechanical power be additionally used, but the effect of removing the mud still has room for improvement.

Accordingly, it is an object of the present invention to provide a mechanically ventilated reservoir drainage system.

Thus, the reservoir comprises a dam constructed in a riverway, the dam being located at a low point of the river channel, and the drainage system of the present invention comprises at least one sand dam and at least one row of mud tracks. The sand bar is constructed at a high point of the river and is located upstream of the dam, and forms a reservoir with the dam, and has at least one row of sand ports adjacent to the lower end and at least one drain port adjacent to the upper end. The mud discharging track is connected to the sand discharging port of the sand blocking dam and extends toward the downstream of the dam, and the sludge and water leading to the upstream of the river channel pass through the drainage channel through the drainage channel to the downstream of the river channel. emission.

The invention has the beneficial effects of utilizing the natural topography of the river with high and low drop, and achieving the purpose of removing sludge under the condition of no mechanical power.

The above and other technical features, features, and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments.

Referring to Figures 1, 2, 3, and 4, a first preferred embodiment of the drainage system of the present invention is for a reservoir. The reservoir contains a dam 2 built on a river course 1. The dam 2 is located at a low point of the river channel 1. The drainage system comprises a sand dam 3, a row of mud tracks 4, a number of supports 5, and a mud storage tank 6.

The sand bar 3 is located at a height of the river 1 and is located upstream of the dam 2, and forms a reservoir 30 with the dam 2, and has a dam body 31, runs through the dam body 31 and is adjacent to the dam. a row of sand ports 32 at the lower end of the body 31, a drain port 33 extending through the dam body 31 and adjacent to an upper end of the dam body 31, and two support portions 34 formed on a top surface of the dam body 31 and extending in the horizontal direction, a water gate 35 that can openly close the drain port 33, a sand door 36 that can openly close the sand discharge port 32, and two screws that are respectively threaded through the support portions 34 in the vertical direction and connected to the water gate 35 and the sand door 36. 37, and two motors 38 disposed on the dam 31 and driving the screw 37 to move up and down, respectively.

The mud discharge track 4 is connected to the sand discharge port 32 of the sand intercepting dam 3, and the slope of the river channel 1 extends from the low to the downstream of the dam 2 to the mud pool 6 and has a U shape. a rail wall 41 and an opening 42 formed in a top surface of the rail wall 41.

The brackets 5 are arranged in accordance with the channel 1 and support the mud track 4 to follow the slope of the channel 1 extending from high to low.

The mud storage tank 6 is located downstream of the dam 2 and has a surrounding wall 61 defining a sludge storage tank 60, an inlet 62 connecting the mud discharge rail 4, a plurality of mesh openings connecting the river channel 1 and blocking the sediment and releasing water. 63. A plurality of partitions 64 formed in the surrounding wall 61 and staggered, and defined between the partitions 64 to form a return passage 65 extending from the inlet 62 to the screen openings 63.

When the manager controls the motor 38 to drive the screw 37 to interlock the water outlet 35 to open the drain port 33 of the dam body 31, the water upstream of the river channel 1 is smoothly discharged from the drain port 33 to the sand blocking dam 3 and the Within the reservoir 30 of the dam 2. It is worth mentioning that, because most of the sediment will settle in the riverbed at the bottom of the river channel 1, the drainage port 33 at the upper end of the dam body 31 can drain the upper layer of the river channel 1 and contain less clean water. To the reservoir 30.

When the manager controls the motor 38 to drive the screw 37 to interlock the sand door 36 to open the sand discharge port 32 of the dam body 31, the sediment water upstream of the river channel 1 and located in the lower layer of the river channel 1 enters the row from the sand discharge port 32. The mud track 4, whereby the mud track 4 is used to follow the natural topography of the slope of the river 1 from high to low, so that the sediment is driven by the water, and the mud track 4 is passed through the reservoir 30, Finally, enter the mud pool 6 downstream of the river 1.

The aforementioned sediment water entering the mud storage tank 6 will follow the winding path 65. At this time, the heavier sediment will fall during the traveling and is blocked by the sieve holes 63, and deposited in the sludge tank. Within 60, the water continues to flow and is returned to the channel 1 by the screen openings 63. Therefore, it is only necessary to periodically clean the inside of the mud pool 6 Sedimented sediment can achieve the effect of removing silt, which is different from the traditional reservoir to remove sludge from the large area of the bottom. Compared with the present invention, the small area of the mud pool 6 can be cleaned regularly, and the dredging can be completed quickly. Practical value.

Referring to FIG. 5, a second preferred embodiment of the present invention is substantially the same as the first preferred embodiment, except that the mud reservoir 6 has two, whereby the mud pool 6 is not only It can accommodate more sludge, and since these mud storage tanks 6 are located beside the river channel 1, it is convenient for the engineering vehicle to enter, and to clean and carry.

Referring to FIG. 6, a third preferred embodiment of the present invention is substantially the same as the first preferred embodiment. The difference is that the sand discharge port 32 and the sand gate 36 of the sand blocking dam 3 respectively have two. Thereby, more sediment water can be discharged for the channel 1 having a larger width.

Referring to FIG. 7, a fourth preferred embodiment of the present invention is substantially the same as the first preferred embodiment, except that the dam body 31 of the sand blocking dam 3 has a V shape and is formed thereon. The dam body 31 is opposite to one side of the dam 2 and is recessed toward the dam 2 to be biased toward a recessed portion 311 on the side of the river channel 1. The sand discharge port 32 and the drain port 33 are formed on both sides of the recessed portion 311 of the dam body 31, respectively. In practice, the dam (not shown) may have an N-shape or a W-shape or other suitable shape as desired to have at least one recess (not shown).

Thereby, the recessed portion 311 can form a confluence port for collecting sediment, thereby increasing the discharge amount of the sediment.

Referring to FIG. 8, a fifth preferred embodiment of the present invention is compared with the fourth The preferred embodiment is substantially the same, except that the recessed portion 311 of the sand trap 3 is biased toward the other side of the channel 1, and the position of the sludge pool 6 also matching the recessed portion 311 is located on the other side of the channel 1.

Referring to FIG. 9, a sixth preferred embodiment of the present invention is substantially the same as the fourth and fifth preferred embodiments, except that the drainage system further includes a manifold valve 7. There are two bars in the sand bar 3, and there are three in the mud track 4.

The combiner valve 7 has two inlet ports 71 and an outlet port 72. Two of the mud discharge rails 4 are respectively connected to the sand discharge ports 32 of the sand blocking dams 3 and the inlets 71 of the flow regulating valve 7. Another outlet 72 connects the outlet 72 of the manifold 7 to the inlet 62 of the reservoir 6

Thereby, the sediment can also be driven by the water, follow the silt rails 4 to traverse the reservoir 30 and the confluence valve 7, and finally, enter the mud pool 6 downstream of the channel 1, and set through the passage stage. The three layers of sand barriers block the sediment, so that the effect of removing the mud is optimal.

Referring to FIG. 10, a seventh preferred embodiment of the present invention is substantially the same as the sixth preferred embodiment, except that the sand blocking dams 3 are respectively constructed on the river channel 1 having the main stream 11 and the tributary 12. .

Referring to Figure 11, there is shown a eighth preferred embodiment of the present invention which is substantially identical to the first preferred embodiment except that the sump removal system omits the bracket 5. And the mud trajectory 4 has a ring wall 44 defining a passage 43, and the slope of the terrain of the channel 1 extends from high to low and passes through the dam 2.

In this way, the sediment can also be driven by the water and follow the drainage track. The track 4 passes through the reservoir 30 and the confluence valve 7, and finally, enters the mud reservoir 6 (shown at the end) downstream of the channel 1.

According to the above description, the reservoir drainage system of the present invention has the following advantages and effects:

1. The invention utilizes the natural topography of the river 1 with high and low drop, and achieves the purpose of removing sludge under the condition of no mechanical power, not only can save energy, but also can improve the removal effect, and make the current sludge removal project more competitive. .

2. The invention not only has a simple structure, but can be easily installed without affecting the structure of the dam 2, and can set more than one set of silt removal system according to the size or actual use of the river channel 1 to lift and remove the sludge. The effect of the invention makes the invention more practical.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

1‧‧‧ River

11‧‧‧ Mainstream

12‧‧‧tributors

2‧‧‧dam

3‧‧‧Blocking dam

30‧‧‧ reservoir

31‧‧‧ dam body

311‧‧‧Depression

32‧‧‧Drainage

33‧‧‧Drainage

34‧‧‧Support

35‧‧‧Watergate

36‧‧‧Salmon

37‧‧‧ screw

38‧‧‧Motor

4‧‧‧ mud track

41‧‧‧ rails

42‧‧‧ openings

43‧‧‧ passage

44‧‧‧Circle

5‧‧‧ bracket

6‧‧‧ mud pool

60‧‧‧ mud storage tank

61‧‧‧ Around the wall

62‧‧‧ entrance

63‧‧‧ mesh

64‧‧‧Baffle

65‧‧‧迂回回道

7‧‧‧Confluence valve

71‧‧‧ access port

72‧‧‧Export

1 is a front view showing a first preferred embodiment of a reservoir drainage system of the present invention; FIG. 2 is a top view of the first preferred embodiment; FIG. 3 is a first preferred embodiment. A front view of a sand dam; FIG. 4 is a front view of a mud track in the first preferred embodiment; and FIG. 5 is a top view showing a second preferred embodiment of a reservoir drainage system of the present invention. Two mud pools in the embodiment; Figure 6 is a front elevational view showing a sand dam in a third preferred embodiment of a reservoir drainage system of the present invention; and Figure 7 is a top view showing a fourth comparison of a reservoir drainage system of the present invention 8 is a top view showing a fifth preferred embodiment of a reservoir drainage system of the present invention; and FIG. 9 is a top view showing a sixth preferred embodiment of a reservoir drainage system of the present invention. 10 is a top view showing a seventh preferred embodiment of a reservoir drainage system of the present invention; and FIG. 11 is a front elevational view showing an eighth preferred embodiment of a reservoir drainage system of the present invention. .

1‧‧‧ River

2‧‧‧dam

3‧‧‧Blocking dam

30‧‧‧ reservoir

31‧‧‧ dam body

32‧‧‧Drainage

33‧‧‧Drainage

4‧‧‧ mud track

5‧‧‧ bracket

Claims (10)

A reservoir drainage system, the reservoir comprising a dam built on a river channel, the dam is located at a low point of the river channel, the drainage system comprises: at least one sand dam, which is located at a height of the river channel An dam upstream of the dam and forming a reservoir between the dam and having a dam body, a depression formed on a side of the dam opposite to the dam and recessed toward the dam, formed in the dam and adjacent to the dam At least one row of sand ports at the end, and at least one drain port formed on the dam body adjacent to an upper end, the sand discharge port and the drain port are respectively formed on two sides of the recessed portion of the dam body; and at least one mud track A sand discharge port connecting the sand bar and extending downstream of the dam, and the sludge and water leading to the upstream of the river channel are discharged from the bottom of the river channel through the discharge port to the downstream of the river channel. According to the reservoir drainage system described in claim 1, the bracket further comprises a plurality of brackets, and the brackets are arranged according to the river channel and support the mud track to extend from high to low according to the slope of the river channel. The reservoir drainage system according to claim 1, wherein the mud discharge rail has a U-shaped rail wall and an opening formed on a top surface of the rail wall. The reservoir drainage system according to claim 1, wherein the sludge track extends from high to low according to the slope of the river and has a ring wall defining a passage. The reservoir drainage system according to claim 1, wherein the depression is formed in the dam body in a manner of being biased toward one side of the river and located in the middle of the river. The reservoir drainage system according to item 1 of the patent application scope further includes a mud storage tank located downstream of the dam and communicating with the mud discharge track. The reservoir drainage system according to claim 6, wherein the mud storage tank has an inlet connecting the mud discharge track, and a plurality of mesh holes connecting the river channels and blocking the sediment and releasing water. The reservoir drainage system according to claim 7, wherein the mud reservoir further has a surrounding wall defining a mud storage tank, a plurality of partitions formed in the surrounding wall and staggered, and defined in A plurality of loops are formed between the partitions and extending back toward the screen openings. The reservoir drainage system according to claim 7 further includes a flow valve having a plurality of inlets and an outlet, and the barrier dam has more than two, and the number of the mud trajectories is plural. And respectively connecting the sand discharge port of the sand bar and the inlet of the flow valve, and the connection port connecting the flow valve and the inlet of the mud pool. The reservoir drainage system according to claim 1, wherein the sand barrier has a dam body, at least one support portion formed on a top surface of the dam body and extending in a horizontal direction, and is openably closed a water gate of the drain opening, a sand door that can openly close the sand discharge port, two screws that are respectively threaded through the support portions and connected to the water gate and the sand door, and are disposed on the dam body and respectively drive the screw Two motors for lifting and lowering.