Farmland drainage station water conservancy construction method

Abstract

The invention relates to the technical field of water conservancy projects, in particular to a farmland drainage station water conservancy construction method which comprises the following steps: planning farmland positions along a river bank line, reserving a space between two farmlands to establish a pit slot for collecting sludge, setting the corner of the farmland close to the pit slot and the river bank line as the lowest-lying place, and setting the lowest-lying place as the lowest-lying place. Concrete is poured at the position to install a first water suction pump, and a pipeline on one side of the first water suction pump extends into the pit slot; a water tank for irrigation is arranged on one side of the first water pump, the first water pump is connected with the top end of the water tank through a three-way valve, and the other end of the three-way valve extends towards the bank line; a slope surface is built at a river bank line, a rail is arranged on the slope surface, a sliding assembly is installed along the rail, a pump room is built on the sliding assembly, a partition plate is arranged in the pump room, a drainage pump and a second water suction pump are fixedly arranged on the two sides of the partition plate respectively, and an extension pipeline is further arranged in the pump room. Drainage and irrigation of the farmland can be combined, and the flood control and drainage functions of low-lying places such as the farmland are improved.

Description

Technical Field

[0001] The invention relates to the technical field of water conservancy projects, and in particular to a water conservancy construction method for a farmland drainage station. Background Art

[0002] Farmland is usually planned to be close to rivers for water conservancy construction, and the cultivation of farmland usually forms low-lying areas. When it comes to the rainy season, flood control and drainage are the main problems encountered by farmland. In most existing areas, drainage usually relies on building pipes to allow water to flow to low places and then lead to nearby rivers. Some will consider the low-lying areas of farmland and build drainage pumping stations to overcome the problems such as insufficient drainage power caused by elevation differences. However, since farmland usually carries a large amount of silt when it needs flood control and drainage, it is easy to cause pipe blockage, affecting the normal operation of the drainage system. In severe cases, it will flood farmland and cause crop losses. Although the existing drainage pumping station can provide a certain drainage power, the construction location is more particular and needs to be built at a high place, because it has no corresponding response measures for the possible tidal phenomenon of the river, which also increases the head and burden of the pumping pump. In addition, in drought, farmland also usually needs to draw river water for irrigation. The existing method is usually to connect pipes when needed to pump water to water plants or water tanks, etc., and often needs to carry equipment such as pumping pumps to work. Summary of the invention

[0003] In order to solve the problems existing in the above-mentioned prior art, the present invention aims to provide a water conservancy construction method for a farmland drainage station. The present invention can combine the drainage and irrigation of farmland, improve the flood control and drainage function of low-lying areas such as farmland in the rainy season, and extract river water for storage and farmland irrigation in drought.

[0004] The water conservancy construction method of a farmland drainage station described in the present invention comprises the following steps:

[0005] Planning the location of farmland along the river bank, leaving space between two farmlands to build a pit for collecting silt, setting the corner of the farmland close to the pit and the river bank as the lowest point, pouring concrete there to install a first pump, and extending a pipe on one side of the first pump into the pit;

[0006] A water tank for irrigation is arranged on one side of the first water pump, the first water pump and the top of the water tank are connected via a three-way valve, and the other end of the three-way valve extends toward the river bank line;

[0007] A slope is built at the river bank, and a track is set up on the slope. A sliding component is installed along the track and a pump room is built on the sliding component. A partition is set in the pump room, and a drainage pump and a second water pump are fixed on both sides of the partition respectively. An extension pipeline is also provided in the pump room.

[0008] In one embodiment, a filter screen is provided between the first water pump and the three-way valve, the first water pump is connected to the pit through a delivery pipe, and the delivery pipe is connected below the filter screen, and a spiral pump is provided in the delivery pipe.

[0009] In one embodiment, the sliding assembly includes a rotating wheel adapted to the track, the rotating shaft of the rotating wheel extends into the pump room and is wrapped with a pull rope, and a take-up wheel is provided at the top of the track, and the take-up wheel is linked to the rotating wheel through the pull rope, so as to adjust the position of the pump room relative to the track.

[0010] In one embodiment, the track is two symmetrically arranged racks and are located on both sides of the pump room respectively, and the rotating wheels are two gears and are respectively meshed with the racks.

[0011] In one embodiment, the two take-up wheels are synchronously driven by a motor, and a ratchet is provided on the driving shaft of the motor.

[0012] In one of the embodiments, guardrails are arranged around the pump room, and rollers are arranged at the bottom of the pump room, and the rollers are in contact with the slope.

[0013] In one embodiment, the bottom of the pump room is open on one side close to the river bank, and the water inlet pipe of the second water pump is bent and extended downward from the opening, and a water level gauge is provided on the water inlet pipe.

[0014] In one of the embodiments, a waterproof layer is provided in the pit.

[0015] Compared with the prior art, the technical solution of the present invention has the following beneficial effects:

[0016] The present invention can be combined with the drainage and irrigation of farmland to improve the flood control and drainage function of low-lying areas such as farmland during the rainy season. The first water pump is used to provide drainage power to pump excess accumulated water in the low-lying areas of the farmland to a higher position, and at the same time, the sucked sludge is filtered into the pit, and a large amount of water is sent to the pump house on the river bank along a certain slope. The drainage pump in the pump house will further provide drainage power to lead water into the river to avoid flooding of farmland; and in drought, river water can be pumped for storage and farmland irrigation. At this time, the second water pump in the pump house is mainly used for work. People can adjust the position of the pump house according to the river situation, let the second water pump pump river water, and lead it to the water tank or corresponding equipment through the three-way valve, and then the water tank is connected to the irrigation system to distribute the water. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of a flow chart of a water conservancy construction method for a farmland drainage station of the present invention;

[0018] Figure 2 It is a top view of the overall structure of the present invention;

[0019] Figure 3 is a schematic structural diagram of a first water pump of the present invention;

[0020] Figure 4 It is a structural schematic diagram of the pump room of the present invention;

[0021] Figure 5 It is a schematic structural diagram of the second water pump of the present invention.

[0022] Explanation of the reference numerals: 1-pit, 2-first water pump, 21-filter, 22-delivery pipe, 3-water tank, 4-three-way valve, 5-track, 6-sliding assembly, 61-rotating wheel, 62-pull rope, 63-reeling wheel, 7-pump room, 71-guardrail, 72-roller, 73-water level gauge, 8-drainage pump, 9-second water pump, 10-extension pipe. DETAILED DESCRIPTION

[0023] The drawings are only used for illustrative purposes and should not be construed as limitations on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. It can be said that the internal connection of two components is connected. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The technical solution of the present invention is further explained below in conjunction with the accompanying drawings and embodiments.

[0025] like Figure 1-Figure 5 As shown, a water conservancy construction method for a farmland drainage station of the present invention comprises the following steps:

[0026] The farmland is planned along the river bank, and a pit 1 for collecting silt is established by leaving space between two farmlands. The corner of the farmland close to the pit 1 and the river bank is set as the lowest point, and concrete is poured here to install the first pump 2. The pipeline on one side of the first pump 2 extends into the pit 1.

[0027] A water tank 3 for irrigation is arranged on one side of the first water pump 2. The top ends of the first water pump 2 and the water tank 3 are connected via a three-way valve 4. The other end of the three-way valve 4 extends toward the river bank.

[0028] A slope is built at the river bank, and a track 5 is set up on the slope. A sliding assembly 6 is installed along the track 5 and a pump room 7 is built on the sliding assembly 6. A partition is set in the pump room 7, and a drainage pump 8 and a second water pump 9 are fixed on both sides of the partition. An extension pipe 10 is also provided in the pump room 7.

[0029] The present invention can be combined with the drainage and irrigation of farmland to improve the flood control and drainage function of low-lying areas such as farmland during the rainy season. The first pumping pump 2 is used to provide drainage power to pump excess accumulated water in the low-lying areas of the farmland to a higher position, and at the same time, the sucked silt is filtered into the pit 1. The pit 1 is slightly higher than the farmland and has a waterproof layer inside and on the top to prevent water from flowing back into the farmland and to prevent rainwater from directly flooding the pit 1. To avoid silt accumulation in the pit 1, the silt can be cleaned along the pit 1 in time when necessary, or the silt can be refilled on the other side of the farmland to form a high place, ensuring that the position of the first pumping pump 2 is the lowest depression, and a large amount of water is connected to the drainage pump 8 in the pump room 7 through the opening of the three-way valve 4, and can be sent to the river bank along a certain slope. The pump room 7 on the side, the drainage pump 8 in the pump room 7 will further provide drainage power to divert water to the river to avoid flooding of farmland. The pump room 7 can adjust its position by sliding the sliding component 6 on the track 5 according to the river conditions, and try to keep the pump room 7 above the river surface. The connection between the three-way valve 4 and the drainage pump 8 can be spliced ​​with an extension pipe 10 according to the situation; in drought, river water can be pumped for storage and farmland irrigation. At this time, it is mainly worked by the second pumping pump 9 in the pump room 7. The position of the pump room 7 can also be adjusted according to the river conditions, so that the second pumping pump 9 can pump river water, and connect the three-way valve 4 through the extension pipe 10 to open the other side channel to divert water to the water tank 3 or corresponding equipment, and then the water tank 3 is connected to the irrigation system to distribute the water.

[0030] In one embodiment, a filter screen 21 is provided between the first water pump 2 and the three-way valve 4, the first water pump 2 is connected to the pit 1 through a delivery pipe 22, and the delivery pipe 22 is connected to the bottom of the filter screen 21, and a spiral pump is provided in the delivery pipe 22. The filter screen 21 is covered in the pipeline connected to the first water pump 2 and the three-way valve 4. Due to the drainage pressure of the first water pump 2, a large amount of water mixed with sand and silt will be sent to the drainage pump 8 of the pump room 7 through the connection of the three-way valve 4, and through the isolation of the filter screen 21, combined with the drainage power provided by the drainage pump 8, the water flow is not easily blocked by the silt in the pipeline, and a delivery pipe 22 is provided below the filter screen 21, and the delivery pipe 22 is mainly provided with an Archimedes screw, so that the silt isolated by the filter screen 21 can be transported to the pit 1 for centralized treatment through stable rotation, effectively avoiding the problem of silt blocking at the filter screen 21.

[0031] In one embodiment, the sliding assembly 6 includes a rotating wheel 61 adapted to the track 5, the rotating shaft of the rotating wheel 61 extends into the pump room 7 and is wound with a pull rope 62, which can be made of a relatively tough rope such as a wire rope, and a wire take-up wheel 63 is provided at the top of the track 5, and the wire take-up wheel 63 is linked with the rotating wheel 61 through the pull rope 62, so as to adjust the position of the pump room 7 relative to the track 5. The sliding assembly 6 mainly provides power for the movement of the pump room 7, and the rotating wheel 61 arranged parallel to the track 5 is used as a power source. When the tide is high, the take-up wheel 63 starts to retract the pull rope 62. Due to the winding of the other end of the pull rope 62, its friction will cause the rotating wheel 61 to rotate, so that the pump room 7 can climb along the track 5; when the water level drops, in order to enable the second water pump 9 to absorb river water, the take-up wheel 63 can be reversed or released to allow the pump room 7 to slide down by gravity, and at the same time, the pull rope 62 is tightly wound around the rotating shaft of the rotating wheel 61 until it is in the appropriate position, and then the take-up wheel 63 is tightened to stop the movement of the pump room 7.

[0032] Furthermore, in order to stabilize the movement of the pump room 7, the track 5 can be set as two symmetrically arranged racks and located on both sides of the pump room 7, and the rotating wheel 61 is two gears and meshes with the racks respectively. The meshing of the gears and the racks can make the up and down sliding of the pump room 7 more stable and easy to control, and will not accelerate too fast due to gravity acceleration, causing adverse effects such as the breakage of the pull rope 62. At the same time, the corresponding two take-up wheels 63 are synchronously driven by a motor, and a ratchet is provided on the driving shaft of the motor so that the take-up wheel 63 can be prevented from reversing by the ratchet when pulling the pump room 7 upwards. When the pump room 7 needs to be lowered, the motor with the ratchet needs to be disengaged from the take-up wheel 63.

[0033] In addition, guardrails 71 are provided around the pump room 7 to protect the safety of maintenance personnel when repairing the pump body. Rollers 72 are also provided at the bottom of the pump room 7. The rollers 72 are in contact with the slope to facilitate the pump room 7 to slide up and down along the slope to avoid silt washed away during the rainy season from increasing the friction between the pump room 7 and the slope.

[0034] In one embodiment, if Figure 5 As shown, the bottom of the pump room 7 is open on one side close to the river bank, and the water inlet pipe of the second water pump 9 is bent downward and extended from the opening, and a water level gauge 73 is provided at the water inlet pipe. When the pump room 7 is slid up and down to adjust the position, the water inlet pipe of the second water pump 9 needs to be used as a reference, and the opening of the pump room 7 should be made above the river surface as much as possible, and the water inlet pipe can extend into the river water to avoid absorbing the silt on the river bank. A water level gauge 73 is also provided to detect the water level, and the motor of the take-up wheel 63 can be connected through the control system, etc., to pull up the pump room 7 in time to avoid the internal pump body or other equipment being directly submerged by the river water.

[0035] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application.

[0036] In the figure, the description of the positional relationship is only for illustrative purposes and should not be understood as a limitation on this patent; obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. A method for water conservancy construction of a farmland drainage station, characterized in that: The following steps are involved: The location of farmland is planned along the river bank, and a pit (1) for collecting silt is established by leaving space between two farmlands, and the corner of the farmland close to the pit (1) and the river bank is set as the lowest point, and concrete is poured there to install a first pump (2), and a pipeline on one side of the first pump (2) extends into the pit (1); A water tank (3) for irrigation is arranged on one side of the first water pump (2); the first water pump (2) and the top end of the water tank (3) are connected via a three-way valve (4); the other end of the three-way valve (4) extends toward the river bank; A slope is established at the river bank, and a track (5) is set up on the slope. A sliding assembly (6) is installed along the track (5) and a pump room (7) is established on the sliding assembly (6). A partition is arranged in the pump room (7), and a drainage pump (8) and a second water pump (9) are fixed on both sides of the partition respectively. An extension pipeline (10) is also arranged in the pump room (7).

2. A method for water conservancy construction of a farmland drainage station according to claim 1, characterized in that: A filter screen (21) is provided between the first water pump (2) and the three-way valve (4); the first water pump (2) is connected to the pit (1) via a delivery pipe (22); the delivery pipe (22) is connected below the filter screen (21); and a screw pump is provided inside the delivery pipe (22).

3. A method for water conservancy construction of a farmland drainage station according to claim 1, characterized in that: The sliding assembly (6) comprises a rotating wheel (61) adapted to the track (5), the rotating shaft of the rotating wheel (61) extending into the pump room (7) and wound with a pull rope (62), a wire take-up wheel (63) being provided at the top of the track (5), the wire take-up wheel (63) being linked to the rotating wheel (61) via the pull rope (62), thereby adjusting the position of the pump room (7) relative to the track (5).

4. A method for water conservancy construction of a farmland drainage station according to claim 3, characterized in that: The track (5) is two symmetrically arranged racks and is located on both sides of the pump room (7) respectively, and the rotating wheel (61) is two gears and is respectively meshed with the racks.

5. A method for water conservancy construction of a farmland drainage station according to claim 4, characterized in that: The two take-up wheels (63) are synchronously driven by a motor, and a ratchet is arranged on the driving shaft of the motor.

6. A method for water conservancy construction of a farmland drainage station according to claim 5, characterized in that: Guardrails (71) are arranged around the pump room (7), and rollers (72) are arranged at the bottom of the pump room (7), and the rollers (72) are in contact with the slope surface.

7. A method for water conservancy construction of a farmland drainage station according to claim 6, characterized in that: The bottom of the pump house (7) is open on one side close to the river bank, and the water inlet pipe of the second water pump (9) bends downward and extends from the opening, and a water level gauge (73) is provided on the water inlet pipe.

8. A method for constructing a farmland drainage station according to any one of claims 1 to 7, characterized in that: A waterproof layer is provided in the pit (1).

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