CN214224657U

CN214224657U - Silt sampling device

Info

Publication number: CN214224657U
Application number: CN202120309361.XU
Authority: CN
Inventors: 严坤; 刘勤; 徐佩; 王玉宽; 闫洋洋; 李勇
Original assignee: Institute of Mountain Hazards and Environment IMHE of CAS
Current assignee: Institute of Mountain Hazards and Environment IMHE of CAS
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-09-17
Anticipated expiration: 2031-02-03

Abstract

The utility model belongs to the technical field of soil erosion monitoring, in particular to a silt sampling device, which comprises a controller and a mounting rack, wherein the bottom end of the mounting rack is provided with a supporting rack, the mounting rack is provided with a turntable, the turntable is provided with a measuring barrel, the bottom of the measuring barrel is provided with a drain pipe, the drain pipe is provided with a first electromagnetic valve, the first electromagnetic valve is connected with the controller, the measuring barrel is provided with a base station, the base station is provided with a vacuum pump, the vacuum pump is communicated with the measuring barrel, the measuring barrel is provided with a sealing cover, the sealing cover is provided with a collecting component, the collecting component comprises a collecting barrel, a supporting column is fixedly connected between the collecting barrel and the sealing cover, the bottom end of the collecting barrel is provided with a communicating pipe, the communicating pipe is communicated with the measuring barrel, the communicating pipe is provided with a second electromagnetic valve, the second electromagnetic valve is connected with the controller, the first mounting rack is provided with a sampling pipe, be equipped with the flowmeter on the sampling tube for it is loaded down with trivial details to solve current silt collection, the problem of collection inefficiency.

Description

Silt sampling device

Technical Field

The utility model belongs to the technical field of soil erosion and water loss monitoring, concretely relates to silt sampling device.

Background

The estuary region is not only a main diffusion region for suspended sediment in the sea, but also a receiving region for bed sediment bed load at the upstream. Under the actions of river-sea crossing, tidal current mutual growth and elimination, salt and fresh water mixing, wind and wave sand lifting and the like, the sediment movement in the area of the gate sand is extremely active, and the exchange of bottom sand and suspended sand is frequent. The distribution, diffusion and sedimentation of the suspended sand affect ports, navigation channels, ecological environments and the like.

The movement of silt has important influence on the global environment and the circulation of water and nutrients, and silt treatment is the key of river and land treatment and also is important content of offshore marine environment treatment. The sediment treatment needs on-site measurement of sediment data, particularly the collection and analysis of the sediment of a low-sediment-bearing river, and a large number of sediment samples are needed to carry out the sediment transport process and the research on the transport of organic carbon and sediment nutrients, so that experimental samples are provided for the evaluation of the water and soil conservation function of the watershed of the low-sediment river in the mountainous area and the research on the geochemical cycle of the watershed of the mountainous area.

At present, when researching for collecting silt samples in river water, the river water needs to be salvaged and filtered to obtain the silt samples, the collection is more complicated, and the efficiency is lower.

SUMMERY OF THE UTILITY MODEL

Based on the problem mentioned in the above-mentioned background art, the utility model provides a silt sampling device for it is loaded down with trivial details, the problem of collection inefficiency to solve current silt collection.

The utility model adopts the technical scheme as follows:

a silt sampling device comprises a controller and a mounting rack, wherein a support frame is arranged at the bottom end of the mounting rack, a rotary table is arranged on the mounting rack, a measuring barrel is arranged on the rotary table, a drain pipe is arranged at the bottom of the measuring barrel, a first electromagnetic valve is arranged on the drain pipe and connected with the controller, a base station is arranged on the measuring barrel, a vacuum pump is arranged on the base station and communicated with the measuring barrel, a sealing cover is arranged on the measuring barrel, a collecting component is arranged on the sealing cover and comprises a collecting barrel, a supporting column is fixedly connected between the collecting barrel and the sealing cover, a communicating pipe is arranged at the bottom end of the collecting barrel and communicated with the measuring barrel, a second electromagnetic valve is arranged on the communicating pipe and connected with the controller, and a support is arranged on the first mounting rack, install the sampling tube on the support, be equipped with the flowmeter on the sampling tube.

On the basis of the technical scheme, the utility model discloses following improvement has still been made:

further, three collecting assemblies are mounted on the sealing cover. Can collect the sampling to the silt of different granularities through setting up a plurality of collection subassemblies.

Further, install the first filter plate and the second filter plate that the structure is the same in the collecting vessel, all be equipped with the slider on first filter plate and the second filter plate, the inner wall of collecting vessel is seted up with slider assorted first spout and second spout, the degree of depth of second spout is greater than the degree of depth of first spout. Filtering membranes with different filter diameters can be respectively arranged on the first filter plate and the second filter plate for filtering, so that sediment samples with different particle diameters can be obtained.

Furthermore, a hook groove is formed in the sliding block. The first filter plate and the second filter plate can be taken out more easily by arranging the hook groove.

Furthermore, the first filter plate and the second filter plate are respectively provided with a press ring, and the press rings, the first filter plate and the second filter plate are fixed in a magnetic attraction manner. Can fix filtration membrane when placing filtration membrane through setting up the clamping ring, avoid the filtration membrane to be washed away by rivers and lead to silt to flow out and can't obtain the silt sample.

Further, a liquid level sensor is installed on the inner wall of the measuring barrel and connected with the controller. The water quantity in the measuring barrel can be controlled by arranging the liquid level sensor, so that the water quantity in the measuring barrel is prevented from exceeding the standard.

The utility model has the advantages that:

1. river water is introduced into the collecting assembly through the sampling pipe, air in the measuring barrel is pumped out through the vacuum pump, negative pressure is generated in the measuring barrel, water in the measuring barrel is sucked into the measuring barrel, silt stays in the measuring barrel, the silt can be collected, the use is convenient, the silt suspended in the river water can be collected, and the collecting efficiency is high;

2. rough silt content in the river can be tentatively judged through comparing water content in the collecting vessel and silt content in the collecting vessel.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a schematic structural diagram of a silt sampling apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic view of a longitudinal section structure of a silt sampling apparatus according to an embodiment of the present invention;

fig. 3 is a schematic view of a longitudinal section of a collecting assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first filter plate in an embodiment of the present invention;

the main element symbols are as follows:

the device comprises a mounting frame 1, a support frame 11, a support 12, a sampling pipe 13, a flowmeter 14, a rotary table 2, a measuring barrel 3, a sealing cover 31, a base table 32, a first electromagnetic valve 33, a drain pipe 34, a collecting barrel 4, a first chute 411, a second chute 412, a first filter plate 42, a pressing ring 421, a second filter plate 43, a slide block 44, a hook groove 45, a supporting column 46, a communicating pipe 47, a second electromagnetic valve 48 and a vacuum pump 5.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1 to 4, a silt sampling device comprises a controller and a mounting rack 1, wherein a support frame 11 is arranged at the bottom end of the mounting rack 1, a turntable 2 is arranged on the mounting rack 1, a measuring barrel 3 is arranged on the turntable 2, a drain pipe 34 is arranged at the bottom of the measuring barrel 3, a first electromagnetic valve 33 is arranged on the drain pipe 34, the first electromagnetic valve 33 is connected with the controller, a base 32 is arranged on the measuring barrel 3, a vacuum pump 5 is arranged on the base 32, the vacuum pump 5 is communicated with the measuring barrel 3, a sealing cover 31 is arranged on the measuring barrel 3, a collecting component is arranged on the sealing cover 31, the collecting component comprises a collecting barrel 4, a support column 46 is fixedly connected between the collecting barrel 4 and the sealing cover 31, a communicating pipe 47 is arranged at the bottom end of the collecting barrel 4, the communicating pipe 47 is communicated with the measuring barrel 3, a second electromagnetic valve 48 is arranged on the communicating pipe 47, the second electromagnetic valve 48 is connected with the controller, a support 12 is arranged on the mounting rack 1, a sampling tube 13 is arranged on the bracket 12, and a flowmeter 14 is arranged on the sampling tube 13.

Specifically, the sealing cover 31 is mounted with three collecting members. Can collect the sampling to the silt of different granularities through setting up a plurality of collection subassemblies.

Specifically, a first filter plate 42 and a second filter plate 43 with the same structure are installed in the collection barrel 4, the first filter plate 42 and the second filter plate 43 are both provided with a slide block 44, the inner wall of the collection barrel 4 is provided with a first chute 411 and a second chute 412 which are matched with the slide block 44, and the depth of the second chute 412 is larger than that of the first chute 411. Filtering membranes with different filter diameters can be respectively arranged on the first filter plate 42 and the second filter plate 43 for filtering, so that sediment samples with different particle diameters can be obtained.

Specifically, the slider 44 is provided with a hook groove 45. The first filter plate 42 and the second filter plate 43 can be more easily removed by providing the hook grooves 45.

Specifically, the first filter plate 42 and the second filter plate 43 are both provided with a press ring 421, and the press ring 421 and the first filter plate 42 and the second filter plate 43 are both fixed by magnetic attraction. Can fix filter membrane when placing filter membrane through setting up clamping ring 421, avoid filter membrane rivers to wash away and lead to silt to flow out and can't obtain the silt sample.

Specifically, a liquid level sensor is installed on the inner wall of the measuring barrel 3, and the liquid level sensor is connected with the controller. The water quantity in the measuring barrel 3 can be controlled by arranging the liquid level sensor, so that the water quantity in the measuring barrel 3 is prevented from exceeding the standard.

When the measuring device is used, filtering membranes are firstly paved on a first filtering plate 42 and a second filtering plate 43, the filtering precision of the filtering membrane on the first filtering plate 42 is smaller than that of the filtering membrane on the second filtering plate 43, a water pump is used for pumping river water into a collecting barrel 4 through a sampling pipe 13, a vacuum pump 5 is started to pump air in the measuring barrel 3 to enable negative pressure to be generated in the measuring barrel 3 to suck water in the collecting barrel 4 into the measuring barrel 3, silt stays on the filtering membrane in the collecting barrel 4, when the water level in the measuring barrel 3 rises to a liquid level sensor, a controller opens a first electromagnetic valve 33 to discharge the water in the measuring barrel 3, meanwhile, a rotary table 2 is started to drive the measuring barrel 3 to rotate, and another collecting component is rotated to the outlet position of the sampling pipe 13 to be continuously used.

It is right above the utility model provides a pair of silt sampling device has carried out detailed introduction. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a silt sampling device, includes controller and mounting bracket (1), its characterized in that: the device is characterized in that a support frame (11) is arranged at the bottom end of the mounting frame (1), a rotary table (2) is installed on the mounting frame (1), a measuring barrel (3) is installed on the rotary table (2), a drain pipe (34) is installed at the bottom of the measuring barrel (3), a first electromagnetic valve (33) is installed on the drain pipe (34), the first electromagnetic valve (33) is connected with a controller, a base platform (32) is arranged on the measuring barrel (3), a vacuum pump (5) is installed on the base platform (32), the vacuum pump (5) is communicated with the measuring barrel (3), a sealing cover (31) is installed on the measuring barrel (3), a collecting component is installed on the sealing cover (31), the collecting component comprises a collecting barrel (4), a support column (46) is fixedly connected between the collecting barrel (4) and the sealing cover (31), and a communicating pipe (47) is installed at the bottom end of the collecting barrel (4), communicating pipe (47) and measuring bucket (3) intercommunication, install second solenoid valve (48) on communicating pipe (47), second solenoid valve (48) are connected with the controller, install support (12) on mounting bracket (1), install sampling tube (13) on support (12), be equipped with the flowmeter on sampling tube (13).

2. A silt sampling apparatus according to claim 1, wherein: three collecting components are arranged on the sealing cover (31).

3. A silt sampling apparatus according to claim 2, wherein: install the same first filter plate (42) of structure and second filter plate (43) in collecting vessel (4), all be equipped with slider (44) on first filter plate (42) and second filter plate (43), first spout (411) and second spout (412) with slider (44) assorted are seted up to the inner wall of collecting vessel (4), the degree of depth of second spout (412) is greater than the degree of depth of first spout (411).

4. A silt sampling apparatus according to claim 3, wherein: and a hook groove (45) is formed in the sliding block (44).

5. A silt sampling apparatus according to claim 4, wherein: the filter plate is characterized in that the first filter plate (42) and the second filter plate (43) are respectively provided with a pressing ring (421), and the pressing ring (421) is fixed with the first filter plate (42) and the second filter plate (43) in a magnetic attraction manner.

6. A silt sampling apparatus according to claim 5, wherein: and a liquid level sensor is arranged on the inner wall of the measuring barrel (3) and is connected with the controller.