CN214401958U

CN214401958U - Deepwater dredging pipeline system

Info

Publication number: CN214401958U
Application number: CN202120005557.XU
Authority: CN
Inventors: 吉成才; 关英杰; 郑皓; 程阳锐; 彭建平; 黎宙; 李小艳; 彭赛锋
Original assignee: Changsha Research Institute of Mining and Metallurgy Co Ltd
Current assignee: Changsha Research Institute of Mining and Metallurgy Co Ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-10-15
Anticipated expiration: 2031-01-04

Abstract

The utility model discloses a deep water desilting pipe-line system, including motor, hank suction head, mud pipeline and dredge pump, the drive end of motor is connected with the hank suction head through a rotation axis, the import of mud pipeline sets up in hank suction head department, is provided with the dredge pump on the mud pipeline, still includes the bath subassembly, the bath subassembly includes the wash pipe of putting through with the water source, the formula intercommunication can be turn-offed with the mud pipeline to the tip of wash pipe. The utility model discloses a deep water desilting pipe-line system has advantages such as simple and practical, reduce the jam probability and improve the operating efficiency.

Description

Deepwater dredging pipeline system

Technical Field

The utility model relates to a desilting equipment technical field especially relates to a deep water desilting pipe-line system.

Background

China is a country with a long coastline and a plurality of rivers and lakes, and due to the particularity of geographical environments, water and soil loss of rivers in China is serious. The water erosion causes a lot of water and soil loss areas, so that the silt content in part of water flow is high, silt is caused to accumulate, and the river beds in some areas are raised, thereby greatly reducing the transportation efficiency of the channel and the port. Moreover, the quantity of reservoirs in China is large, and because the flow velocity of water flow in a reservoir area is low, the sand conveying capacity of the water flow is low, sand is not easy to discharge to the downstream, and different degrees of siltation generally exist after decades of accumulation.

Aiming at the sedimentation problem existing in rivers, lakes, reservoirs and the like, the dredging equipment commonly used at present mainly comprises a dredger, an underwater dredging robot and other equipment which discharge sediment under the water bottom to the bank and further treat the sediment. The pipeline system in the equipment is a core part, however, the pipeline system is often blocked during the operation, which seriously affects the operation efficiency of the system and has great damage to the working performance of the pump body and the pipeline.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a deep water desilting pipe-line system simple and practical, that reduce the jam probability and improve the operating efficiency.

In order to solve the technical problem, the utility model provides a technical scheme does:

the deep water dredging pipeline system comprises a motor, a twisting suction head, a slurry pipeline and a mud pump, wherein the driving end of the motor is connected with the twisting suction head through a rotating shaft, an inlet of the slurry pipeline is arranged at the twisting suction head, the mud pump is arranged on the slurry pipeline, the deep water dredging pipeline system further comprises a water flushing component, the water flushing component comprises a water flushing pipe communicated with a water source, and the end part of the water flushing pipe is communicated with the slurry pipeline in a turn-off mode.

As a further improvement of the above technical solution:

the flushing component also comprises an electromagnetic valve which is arranged on the flushing pipe and controls the on-off of the flushing pipe and the slurry pipeline.

And the mud pipeline is also provided with a differential pressure gauge for monitoring the pressure change in the mud pipeline, and the differential pressure gauge controls the opening and closing of the electromagnetic valve according to the monitoring result.

The mud pipeline comprises a hard pipe and a hose, the hard pipe is connected between the winch suction head and an inlet of the hose, an outlet of the hose is connected to an inlet of the mud pump, and the end of the flushing pipe is connected to a pipe section of the hard pipe.

The mud pipeline also comprises a mud discharging pipe, the mud discharging pipe is connected between an outlet of the mud pump and a mud treatment device, and the mud discharging pipe is provided with a monitoring assembly.

The monitoring assembly comprises a flow sensor, a pressure sensor, a differential pressure sensor, a strain gauge, an acoustic system, meteorological monitoring equipment and hydrological monitoring equipment.

The mud treatment device comprises a shell and a filter screen, wherein the filter screen is arranged in the shell along a horizontal plane.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a deep water desilting pipe-line system, including motor, hank suction head, mud pipeline and dredge pump, the drive end of motor is connected with the hank suction head through a rotation axis, and drive hank suction head is rotatory in order to carry out the breakage to silt, makes silt and water intensive mixing. The inlet of the slurry pipeline is arranged at the position of the twisting suction head, the sludge crushed by the twisting suction head and water are sucked into the inlet together, and then the sludge pump provides power to enable the mixture of the sludge and the water to be conveyed along the slurry pipeline together. The utility model discloses still including the bath subassembly, the bath subassembly includes the wash pipe of putting through with the water source, the tip and the mud pipeline turn-offs formula intercommunication of wash pipe, when the siltation blocks up in the mud pipeline, can be in order to open the bath subassembly, make rivers along the wash pipe to the inside impact of mud pipeline, thereby reach the effect that the siltation was stopped up from the internalization, this kind of mode of setting can be in the very first time solution problem that the siltation appears, effectively improve the operating efficiency, reduce and block up and system collapse risk, the stability of assurance system operation.

Drawings

FIG. 1 is a schematic structural diagram of a deepwater dredging pipeline system of the present invention;

FIG. 2 is a schematic structural diagram of a twisting suction head in the deep water dredging pipeline system of the utility model;

fig. 3 is a schematic structural diagram of a slurry treatment device in a deepwater dredging pipeline system.

Illustration of the drawings: 1. a motor; 11. a rotating shaft; 2. twisting a suction head; 3. a slurry pipeline; 31. a differential pressure gauge; 32. a hard tube; 33. a hose; 34. a sludge discharge pipe; 341. a monitoring component; 4. a dredge pump; 5. a flush assembly; 51. a flush pipe; 52. an electromagnetic valve; 6. a slurry treatment device; 61. a housing; 62. and (5) filtering by using a filter screen.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the following specific embodiments.

Example (b):

as shown in fig. 1 and 2, the deepwater dredging pipeline system of the embodiment comprises a motor 1, a twisting suction head 2, a slurry pipeline 3 and a mud pump 4, wherein the driving end of the motor 1 is connected with the twisting suction head 2 through a rotating shaft 11, and the twisting suction head 2 is driven to rotate so as to crush sludge and fully mix the sludge with water. The inlet of the slurry pipeline 3 is arranged at the position of the twisting suction head 2, the sludge crushed by the twisting suction head 2 and water are sucked into the inlet, the slurry pipeline 3 is provided with a slurry pump 4, and the slurry pump 4 provides power to enable the mixture of the sludge and the water to be conveyed along the slurry pipeline 3. This embodiment still includes bath subassembly 5, bath subassembly 5 includes a wash pipe 51 with the water source switch-on, but the tip and the mud pipeline 3 shutoff formula intercommunication of wash pipe 51, when the siltation is blockked up in mud pipeline 3, can be with opening bath subassembly 5, make rivers along wash pipe 51 to 3 inside impact of mud pipeline, thereby reach the effect of removing the siltation and blocking from the internalization, this kind of mode of setting can be in the very first time solution problem of appearing the siltation, effectively improve the operating efficiency, reduce and block up and system collapse risk, the stability of assurance system operation.

In addition, before and after the system works, the inside of the system can be filled with liquid through the flushing assembly 5, so that the normal operation of the system before sludge conveying and the cleaning work after sludge conveying are ensured.

The twisting and sucking head 2 in this embodiment is a crown spiral type, as shown in fig. 2, and includes a knife arm, a knife tooth, a large ring and other structures. The motor 1 can be driven by selecting pneumatic, electric or hydraulic modes according to different working conditions, the driving energy is converted into mechanical energy, and the rotating speed of the rotating shaft 11 is changed by changing the driving energy. The mud pump 4 can be selected from arc blade type, logarithmic spiral blade type and involute blade type, and when the volume weight of the mud is higher (>1.24t/m³) The efficiency of the logarithmic spiral blade type is higher than that of the involute blade type.

In this embodiment, the flushing assembly 5 further includes an electromagnetic valve 52, and the electromagnetic valve 52 is disposed on the flushing pipe 51 and controls on/off of the flushing pipe 51 and the slurry pipeline 3. The solenoid valve 52 has a fast response speed and a good control effect, so that a good on-off control effect can be ensured.

In this embodiment, the slurry pipeline 3 is further provided with a differential pressure gauge 31 for monitoring the pressure change inside the slurry pipeline 3, and the differential pressure gauge 31 controls the opening and closing of the electromagnetic valve 52 according to the monitoring result. When the differential pressure gauge 31 detects that the pressure inside the slurry pipeline 3 rises suddenly, which indicates that siltation is present inside the slurry pipeline 3, the electromagnetic valve 52 can be controlled to operate to enable the flushing pipe 51 to be communicated with the slurry pipeline 3 for flushing, so that the siltation condition is dissolved. The differential pressure gauge 31 is provided with a throttling element, the flow rate of the slurry forms local contraction at the throttling element, so that the flow rate is increased, the static pressure is reduced, and the pressure difference which can be induced is generated before and after the throttling element.

In the embodiment, the slurry pipeline 3 comprises a hard pipe 32 and a soft pipe 33, the hard pipe 32 is connected between the twisting and sucking head 2 and an inlet of the soft pipe 33, and the rigidity of the inlet is ensured so as to ensure the suction effect; the outlet of the hose 33 is connected to the inlet of the dredge pump 4, so that the influence of the gravity of the pipeline on the whole system is reduced. The end of the flush tube 51 is connected to the section of the hard tube 32 which is prone to clogging, ensuring a stasis-resolving effect.

In this embodiment, the illustrated mud pipeline 3 further includes a mud pipe 34, the mud pipe 34 is connected between the outlet of the mud pump 4 and a mud treatment device 6, the mud pipe 34 is provided with a monitoring component 341, and after the mixture of mud and water passes through the mud pump 4 and the longer mud pipe 34 of promoting, a certain uniform stable state is reached, so that the monitoring component 341 is arranged at this position, and the data with higher accuracy and reliability can be obtained. The hard pipe 32, the flushing pipe 51 and the sludge discharge pipe 34 are made of light and corrosion-resistant AISI stainless steel, and most of the weight of the hard pipe can be offset by buoyancy in water.

In this embodiment, the monitoring component 341 includes flow characteristic monitoring devices such as a flow sensor, a pressure sensor, and a differential pressure sensor, which can acquire flow characteristic data in the system, and hydrodynamic characteristic monitoring devices such as a strain gauge, an acoustic system, a meteorological monitoring device, and a hydrological monitoring device, so as to acquire hydrodynamic characteristic data.

In this embodiment, as shown in FIG. 3, the mud treatment device 6 includes a housing 61 and a screen 62, the screen 62 being disposed within the housing 61 along a horizontal plane. The filter 62 can be used for simple physical separation of the slurry, the separated water is discharged to a designated area, and the high-concentration slurry is transported to the shore for further chemical treatment and air-dried for backfilling and the like.

The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention should be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a deep water desilting pipe-line system, includes motor (1), hank suction head (2), mud pipeline (3) and dredge pump (4), the drive end of motor (1) is connected with hank suction head (2) through a rotation axis (11), the import of mud pipeline (3) sets up in hank suction head (2) department, is provided with dredge pump (4), its characterized in that on mud pipeline (3): the automatic flushing device is characterized by further comprising a flushing assembly (5), wherein the flushing assembly (5) comprises a flushing pipe (51) communicated with a water source, and the end part of the flushing pipe (51) is communicated with the slurry pipeline (3) in a turn-off mode.

2. The deepwater dredging pipe system as claimed in claim 1, wherein: the flushing component (5) further comprises an electromagnetic valve (52), wherein the electromagnetic valve (52) is arranged on the flushing pipe (51) and controls the on-off of the flushing pipe (51) and the slurry pipeline (3).

3. The deepwater dredging pipe system as claimed in claim 2, wherein: the slurry pipeline (3) is also provided with a differential pressure gauge (31) for monitoring the pressure change in the slurry pipeline (3), and the differential pressure gauge (31) controls the opening and closing of the electromagnetic valve (52) according to the monitoring result.

4. The deepwater dredging pipe system as claimed in claim 1, wherein: the mud pipeline (3) comprises a hard pipe (32) and a hose (33), the hard pipe (32) is connected between the winch suction head (2) and an inlet of the hose (33), an outlet of the hose (33) is connected to an inlet of the mud pump (4), and the end part of the flushing pipe (51) is connected to a pipe section of the hard pipe (32).

5. The deepwater dredging pipe system of claim 4, wherein: the mud pipeline (3) further comprises a mud discharging pipe (34), the mud discharging pipe (34) is connected between an outlet of the mud pump (4) and the mud processing device (6), and the mud discharging pipe (34) is provided with a monitoring assembly (341).

6. The deepwater dredging pipe system of claim 5, wherein: the monitoring component (341) comprises a flow sensor, a pressure sensor, a differential pressure sensor, a strain gauge, an acoustic system, meteorological monitoring equipment and hydrological monitoring equipment.

7. The deepwater dredging pipe system of claim 5, wherein: the mud treatment device (6) comprises a shell (61) and a filter screen (62), wherein the filter screen (62) is arranged in the shell (61) along the horizontal plane.