Urban river channel desilting device for hydraulic engineering

By designing an urban river dredger combining sewage discharge, stirring and water spraying devices, the problems of the existing technology in dealing with high concentration and strong viscosity sludge are solved, and efficient and rapid sludge removal and river purification are achieved.

CN222822382UActive Publication Date: 2025-05-02SHENZHEN MEIBO TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421837021.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-05-02
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

The existing urban river silt method is difficult to effectively remove silt when dealing with high concentration and strong viscosity, and is prone to blocking equipment or causing secondary damage to the bottom of the river.

Method used

A urban river dredging device for water conservancy projects is designed, combining sewage discharge structure and stirring structure, and equipped with water spraying devices. The sludge is diluted by a water spray device, and the stirring structure is stirred and diluted to form a slurry, and the sewage discharge structure is sucked out and discharged from the slurry.

Benefits of technology

The efficient stirring and rapid discharge of sludge is achieved, and the water spray device enhances the dredging effect, improves the dredging speed and thoroughness, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222822382U_ABST
    Figure CN222822382U_ABST
Patent Text Reader

Abstract

The utility model discloses an urban river channel desilting device for hydraulic engineering, and belongs to the technical field of river channel desilting, the urban river channel desilting device comprises a pollution discharge structure and two stirring structures, the outer side of the pollution discharge structure is fixedly connected with a top fixing plate, and the two stirring structures are fixedly connected to the two sides of the pollution discharge structure through the top fixing plate; a side plate is fixedly connected to the bottom of one end of the top fixing plate, a bottom fixing plate is fixedly connected to the bottom of the side plate, the lower ends of the sewage discharging structure and the stirring structure are fixedly connected into the bottom fixing plate, and a water spraying device is fixedly connected to the side, close to the sewage discharging structure, of the side plate and comprises a high-pressure water tank, a water outlet pipe and a nozzle. The water outlet pipe is fixedly connected to the outer side of the high-pressure water tank, and the nozzle is fixedly connected to the bottom of the tail end of the water outlet pipe and fixedly arranged at the bottom of the bottom fixing plate. Sludge is diluted by rotating the stirring blades, and the water spraying device further scours and dilutes the sludge through high-pressure water flow, so that the dredging speed is increased, and the dredging thoroughness and quality are ensured.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present application relates to the technical field of river channel desilting, and in particular to an urban river channel desilting device for water conservancy projects. Background Art

[0002] With the acceleration of urbanization, urban rivers, as an important part of the urban water system, are receiving increasing attention for their maintenance and management. The accumulation of river silt not only affects the navigation capacity of the river, but also poses a potential threat to flood control and drainage, while deteriorating water quality, affecting the urban ecological environment and the quality of life of residents. Therefore, river dredging has become an indispensable part of urban water conservancy projects.

[0003] In urban river dredging operations, the dilution and effective discharge of silt are key links to improve dredging efficiency and effectiveness. However, many current dredging methods face significant challenges in dealing with high-concentration, highly viscous silt. These silts are often difficult to effectively remove directly through conventional mechanical means, and are prone to clogging equipment or causing secondary damage to the bottom of the river during the removal process. Therefore, this patent needs to be upgraded and modified based on the existing technology. Utility Model Content

[0004] In view of the shortcomings of the prior art, the present application provides a city river channel desilting device for water conservancy projects, which overcomes the shortcomings of the prior art and aims to solve the problem that the dilution and effective discharge of silt in the desilting operation of the city river channel is the key link to improve the desilting efficiency and effect. However, many current desilting methods face significant challenges in dealing with high-concentration and highly viscous silt. These silts are often difficult to be effectively removed directly by conventional mechanical means, and are prone to clogging equipment or causing secondary damage to the bottom of the river channel during the removal process.

[0005] To achieve the above-mentioned objectives, the present application provides the following technical solutions: a city river silt remover for water conservancy projects, comprising a sewage discharge structure and a stirring structure, wherein a top fixed plate is fixedly connected to the outside of the sewage discharge structure, and the stirring structure is provided with two groups of positions fixedly connected to both sides of the sewage discharge structure through the top fixed plate, a side plate is fixedly connected to the bottom position of one end of the top fixed plate, and a bottom fixed plate is fixedly connected to the bottom of the side plate, the sewage discharge structure and the stirring structure are fixedly connected at the lower ends inside the bottom fixed plate, and a water spraying device is fixedly connected to a side of the side plate close to the sewage discharge structure, the water spraying device comprises a high-pressure water tank, a water outlet pipe and a nozzle, the water outlet pipe is fixedly connected to the outside of the high-pressure water tank, the nozzle is fixedly connected to the bottom of the end of the water outlet pipe, and the nozzle is fixedly arranged at the bottom of the bottom fixed plate.

[0006] By adopting the above technical solution, four groups of water outlet pipes are provided, of which two groups of water outlet pipes extend along the bottom position of the high-pressure water tank to the top of the bottom fixed plate, and the remaining two groups of water outlet pipes extend outward along the outside of the high-pressure water tank and then extend vertically downward to the top of the bottom fixed plate. The water is controlled to enter the water outlet pipe from the high-pressure water tank through the water spraying device, and is discharged into the river silt through the water outlet pipe through the nozzle, and then the silt is stirred and diluted by the stirring structure to form silt slurry, and then the silt slurry is sucked out through the sewage discharge structure and discharged to the outside.

[0007] As a preferred technical solution of the present application, the sewage discharge structure includes a first motor and a sewage pump. A first extension pipe is fixedly arranged at the bottom of the first motor. After the driving end of the first motor passes through the first extension pipe, a sewage pump is fixedly connected to the bottom. A protective cover is provided at the water suction port at the bottom of the sewage pump.

[0008] By adopting the above technical solution, the provision of the protective cover can prevent hard debris in the sludge from entering the interior of the sewage pump and causing damage to the sewage pump.

[0009] As a preferred technical solution of the present application, a sewage outlet is provided at one end of the sewage pump, an extension pipe is fixedly connected to the top of the sewage outlet, and the upper end of the extension pipe is fixedly connected to the outer side of the top fixed plate.

[0010] By adopting the above technical solution, a connection can be provided at the top of the extension pipe to extend to an external drainage pipe so as to discharge the sludge to the outside.

[0011] As a preferred technical solution of the present application, the stirring structure includes a second motor and a rotating shaft. A second extension tube is provided at the bottom of the second motor, the driving end of the second motor is fixedly connected to the rotating shaft, and a stirring blade is fixedly connected to the outer side of the rotating shaft.

[0012] By adopting the above technical solution, the second motor drives the rotating shaft to rotate, thereby driving the stirring blade outside the rotating shaft to stir the sludge, thereby achieving the stirring work of the sludge, and at the same time, breaking the hard debris such as stones and metal fragments in the sludge to prevent clogging.

[0013] As a preferred technical solution of the present application, a fixing plate is provided at the bottom of the second extension tube, and the rotating shaft is rotatably connected inside the fixing plate.

[0014] By adopting the above technical solution, the second extension tube and the rotating shaft are fixed.

[0015] As a preferred technical solution of the present application, the side plate is fixedly connected with a connecting block away from the sewage discharge structure surface, and the connecting block is provided with two symmetrically arranged on the outer side of the side plate.

[0016] By adopting the above technical solution, the silt remover can be fixedly connected to the external control device through the setting of the connecting block, so as to carry out silt removal work.

[0017] Beneficial effects of this application:

[0018] 1. In the utility model, the silt remover realizes efficient stirring and rapid discharge of sludge through the close cooperation of the sewage discharge structure and the stirring structure. At the same time, the addition of the water spraying device further enhances the dredging effect. The high-pressure water flow is directly sprayed onto the sludge, which not only dilutes the sludge, but also washes away the stubborn dirt at the bottom of the river. This comprehensive dredging method not only improves the dredging speed, but also ensures the thoroughness and quality of dredging.

[0019] 2. In the utility model, the modular design and detachable connection between the components make the entire silt remover more convenient and quick to maintain, reducing maintenance costs and improving the use efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the top perspective structure of this application;

[0021] Figure 2 This is a schematic diagram of the front view structure of this application;

[0022] Figure 3 This is a schematic diagram of the back view structure of this application;

[0023] Figure 4 This is a schematic diagram of the front view of the sewage discharge structure in this application;

[0024] Figure 5 This is a schematic diagram of the front view structure of the stirring structure in this application;

[0025] Figure 6 This is a schematic diagram of the front view of the water spray device in the application.

[0026] In the figure: 1. sewage discharge structure; 101. first motor; 102. first extension pipe; 103. sewage pump; 104. protective cover; 105. sewage outlet; 106. extension pipe; 2. stirring structure; 201. second motor; 202. second extension pipe; 203. rotating shaft; 204. fixing plate; 205. stirring blade; 3. top fixing plate; 4. bottom fixing plate; 5. water spraying device; 501. high-pressure water tank; 502. water outlet pipe; 503. nozzle; 6. side panel; 7. connecting block. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0028] Reference Figure 1-6 A city river silt remover for water conservancy projects includes a sewage structure 1 and a stirring structure 2. A top fixing plate 3 is fixedly connected to the outside of the sewage structure 1. The stirring structure 2 is provided with two groups of positions fixedly connected to both sides of the sewage structure 1 through the top fixing plate 3. A side plate 6 is fixedly connected to the bottom position of one end of the top fixing plate 3. A bottom fixing plate 4 is fixedly connected to the bottom of the side plate 6. The sewage structure 1 and the stirring structure 2 are fixedly connected to the inside of the bottom fixing plate 4 at the lower ends. A water spraying device 5 is fixedly connected to the side of the side plate 6 near the sewage structure 1. The water spraying device 5 includes a high-pressure water tank 501, a water outlet pipe 502 and a nozzle 503. The water outlet pipe 502 is fixedly connected to the outside of the high-pressure water tank 501. The nozzle 503 is fixedly connected to the outside of the high-pressure water tank 501. The head 503 is fixedly connected to the bottom of the end of the water outlet pipe 502, the nozzle 503 is fixedly set at the bottom of the bottom fixed plate 4, and the water outlet pipe 502 is provided with four groups, of which two groups of water outlet pipes 502 extend along the bottom position of the high-pressure water tank 501 to the top of the bottom fixed plate 4, and the remaining two groups of water outlet pipes 502 extend outward along the outside of the high-pressure water tank 501 and then extend vertically downward to the top of the bottom fixed plate 4. The water is controlled by the water spraying device 5 to enter the water outlet pipe 502 from the high-pressure water tank 501, and is discharged into the river silt through the water outlet pipe 502 through the nozzle 503, and then the silt is stirred and diluted by the stirring structure 2 to form silt slurry, and then the silt slurry is sucked out and discharged to the outside through the sewage discharge structure 1.

[0029] In this embodiment, if Figure 1 - Figure 6 As shown, the sewage discharge structure 1 includes a first motor 101 and a sewage pump 103, a first extension pipe 102 is fixedly arranged at the bottom of the first motor 101, wherein the top fixing plate 3 is arranged in the middle position between the first motor 101 and the first extension pipe 102, the first motor 101 and the first extension pipe 102 are fixedly connected by bolts, and the driving end of the first motor 101 passes through the first extension pipe 102 and is fixedly connected to the bottom with the sewage pump 103, a protective cover 104 is provided at the water suction port position at the bottom of the sewage pump 103, wherein the bottom fixing plate 4 is arranged in the middle position between the sewage pump 103 and the protective cover 104, the sewage pump 103 and the protective cover 104 are fixedly connected by bolts, and the setting of the protective cover 104 can prevent hard debris in the sludge from entering the interior of the sewage pump 103 and causing damage to the sewage pump 103.

[0030] In this embodiment, if Figure 1 - Figure 6As shown, a sewage outlet 105 is provided at one end of the sewage pump 103, and an extension pipe 106 is fixedly connected to the top of the sewage outlet 105. The upper end of the extension pipe 106 is fixedly connected to the outside of the top fixed plate 3, wherein a connecting block is provided on the outside of the extension pipe 106, and the connecting block is fixed to the top fixed plate 3 by bolts. The top of the extension pipe 106 can be provided with a connection extending to an external drainage pipe so as to discharge the sludge to the outside.

[0031] In this embodiment, if Figure 1 - Figure 6 As shown, the stirring structure 2 includes a second motor 201 and a rotating shaft 203. A second extension tube 202 is provided at the bottom of the second motor 201, wherein the top fixed plate 3 is arranged in the middle position between the second motor 201 and the second extension tube 202. The second motor 201 and the second extension tube 202 are fixedly connected by bolts. The driving end of the second motor 201 is fixedly connected to the rotating shaft 203, and a stirring blade 205 is fixedly connected to the outer side of the rotating shaft 203. The rotating shaft 203 is driven to rotate by the second motor 201, thereby driving the stirring blade 205 on the outer side of the rotating shaft 203 to stir, thereby realizing the stirring of the sludge. At the same time, it can break the hard debris such as stones and metal fragments in the sludge to prevent clogging.

[0032] In this embodiment, if Figure 1 - Figure 6 As shown, a fixing plate 204 is provided at the bottom of the second extension tube 202, and the rotating shaft 203 is rotatably connected inside the fixing plate 204, wherein the bottom fixing plate 4 is arranged in the middle position between the second extension tube 202 and the fixing plate 204, and the second extension tube 202 and the fixing plate 204 are fixedly connected by bolts, thereby realizing the fixation of the second extension tube 202 and the rotating shaft 203.

[0033] In this embodiment, if Figure 1 - Figure 6 As shown, the side plate 6 is fixedly connected with a connecting block 7 away from the sewage discharge structure 1. The connecting block 7 has two symmetrically arranged outside the side plate 6. The dredging device can be fixedly connected to an external control device through the arrangement of the connecting block 7 to facilitate dredging work.

[0034] Working principle: start the water spray device 5, the high-pressure water flows into the nozzle 503 through the outlet pipe 502, and is sprayed to the river channel silt to dilute the silt. While spraying water to dilute, start the second motor 201 of the stirring structure 2 to drive the rotating shaft 203 to rotate. The stirring blade 205 stirs the silt with the rotation of the rotating shaft to make it fully mixed with water to form silt slurry. After the silt is fully stirred and forms silt slurry, start the sewage pump 103, which sucks the silt slurry through the water suction port and discharges it to the external drain pipe through the sewage outlet 105 and the extension pipe 106.

[0035] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. Although the present application is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A city river channel desilting device for water conservancy projects, comprising a sewage discharge structure (1) and a stirring structure (2), characterized in that: The sewage discharge structure (1) is fixedly connected to a top fixing plate (3) on the outside, and the stirring structure (2) is provided with two groups of positions fixedly connected to the sewage discharge structure (1) on both sides through the top fixing plate (3). The bottom position of one end of the top fixing plate (3) is fixedly connected to a side plate (6), and the bottom of the side plate (6) is fixedly connected to a bottom fixing plate (4). The sewage discharge structure (1) and the stirring structure (2) are fixedly connected at the lower ends inside the bottom fixing plate (4). The side plate (6) is fixedly connected to a water spraying device (5) at a position close to one side of the sewage discharge structure (1). The water spraying device (5) comprises a high-pressure water tank (501), a water outlet pipe (502) and a spray head (503). The water outlet pipe (502) is fixedly connected to the outside of the high-pressure water tank (501), and the spray head (503) is fixedly connected to the bottom of the end of the water outlet pipe (502). The spray head (503) is fixedly arranged at the bottom of the bottom fixing plate (4).

2. The urban river channel desilting device for water conservancy projects according to claim 1, characterized in that: The sewage discharge structure (1) comprises a first motor (101) and a sewage pump (103); a first extension pipe (102) is fixedly arranged at the bottom of the first motor (101); a driving end of the first motor (101) passes through the first extension pipe (102) and is then fixedly connected to the sewage pump (103) at the bottom; a protective cover (104) is provided at the water inlet position at the bottom of the sewage pump (103).

3. The urban river channel desilting device for water conservancy projects according to claim 2, characterized in that: A sewage outlet (105) is provided at one end of the sewage pump (103), and an extension pipe (106) is fixedly connected to the top of the sewage outlet (105), and the upper end of the extension pipe (106) is fixedly connected to the outside of the top fixing plate (3).

4. The urban river channel desilting device for water conservancy projects according to claim 1, characterized in that: The stirring structure (2) comprises a second motor (201) and a rotating shaft (203); a second extension tube (202) is provided at the bottom of the second motor (201); a driving end of the second motor (201) is fixedly connected to the rotating shaft (203); and a stirring blade (205) is fixedly connected to the outer side of the rotating shaft (203).

5. The urban river channel desilting device for water conservancy projects according to claim 4, characterized in that: A fixing plate (204) is provided at the bottom of the second extension tube (202), and the rotating shaft (203) is rotatably connected inside the fixing plate (204).

6. The urban river channel desilting device for water conservancy projects according to claim 1, characterized in that: The side plate (6) is fixedly connected to a connection block (7) at a surface away from the sewage discharge structure (1), and the connection block (7) is provided with two symmetrically arranged outside the side plate (6).