CN217277068U

CN217277068U - Solid phase sampling device for deep water area

Info

Publication number: CN217277068U
Application number: CN202220417623.9U
Authority: CN
Inventors: 张珊
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-23
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a solid phase sampling device in a deep water area, which comprises a sampling part and a traction part, wherein the sampling part comprises a sampling cylinder, a heat preservation cylinder, a heat exchange pipe, a sampling balancing weight and a plugging head; the heat-preserving cylinder is sleeved on the sampling cylinder, the upper end of the sampling cylinder is coaxially and detachably connected with the cylinder bottom at the upper end of the heat-preserving cylinder, and the cylinder bottom at the upper end of the heat-preserving cylinder is detachably connected with the traction hose; the lower end of the refrigerant conveying hose sequentially penetrates through the traction hose, an assembly hole in the bottom of the upper end of the heat-insulating cylinder and an installation hole in the sampling cylinder to be in fluid conduction connection with a heat exchange tube arranged in an annular cavity between the heat-insulating cylinder and the sampling cylinder; the sampling balancing weight is sleeved on the sampling cylinder and blocks the annular cavity; the lower end of the traction rope sequentially pulls the hose and the assembling hole to be detachably connected with the plugging head. The utility model discloses turn into solid-state or part by liquid whole the water sample and turn into solid-state, then take out it from the deep water district again, reduced the probability that shallow water sneakes into deep water layer water sample, guaranteed deep water layer water quality testing's accuracy.

Description

Solid phase sampling device for deep water area

Technical Field

The utility model relates to a water sample collection field, in particular to deep water district solid phase sampling device.

Background

In order to know the water quality condition of a certain water area, besides direct observation, sampling detection is generally required. When sampling different water areas, the water stability of the water area should be considered. For example, a stream, a river or a shallow water area with good fluidity can be directly sampled by a sampling bottle, a water area with slow fluidity and deep water can be directly sampled and the sampling bottle is sunk below the water surface, and a water area with poor fluidity or little fluidity and deep water (such as a lake or a reservoir) can be directly sampled and the sampling bottle is sunk below the water surface. From the water quality analysis result, the analysis result of the water sample in the water area with good fluidity is almost unchanged, the analysis result of the water sample in the water area with poor fluidity has larger difference, and substances or microorganisms of the shallow water sample often appear in the deep water sample in the water area with poor fluidity. After taking a sample many times and changing the sampling mode, the discovery often has a small amount of shallow water to mix in the deep water sample when carrying out deep water sample collection to the relatively poor waters of mobility.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims to provide a deep water district solid phase sampling device turns into solid-state or partial solid-state of turning into by liquid whole with the water sample, then takes out it from the deep water district again, has reduced the probability that shallow water sneaked into deep water layer water sample, has guaranteed deep water layer water quality testing's accuracy.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

the deep water area solid phase sampling device comprises a sampling part and a traction part, wherein the sampling part comprises a sampling cylinder, a heat preservation cylinder, a heat exchange tube, a sampling balancing weight and a plugging head; the traction part comprises a traction hose, a refrigerant conveying hose and a traction rope; the heat-insulating cylinder is sleeved on the sampling cylinder, the upper end of the sampling cylinder is coaxially and detachably connected with the cylinder bottom at the upper end of the heat-insulating cylinder, and the cylinder bottom at the upper end of the heat-insulating cylinder is detachably connected with the traction hose; the lower end of the refrigerant conveying hose sequentially penetrates through the traction hose, an assembling hole in the bottom of the upper end of the heat-insulating cylinder and a mounting hole in the sampling cylinder to be in fluid conduction connection with the heat exchange pipe arranged in an annular cavity between the heat-insulating cylinder and the sampling cylinder; the sampling balancing weight is sleeved on the sampling cylinder and blocks the annular cavity; the lower end of the traction rope is detachably connected with the plugging head through the traction hose and the assembling hole in sequence, and the plugging head is used for plugging a barrel opening at the lower end of the sampling barrel; the upper end of the refrigerant conveying hose is in fluid conduction connection with the refrigerant storage container, and the refrigerant stored in the refrigerant storage container is liquid carbon dioxide or liquid air.

Above-mentioned deep water district solid phase sampling device, be equipped with level sensor on the sampling tube inner wall, level sensor passes through data cable and digital display appearance communication connection.

Above-mentioned deep water district solid phase sampling device, be equipped with the shutoff balancing weight on the shutoff head.

Above-mentioned deep water district solid phase sampling device, shutoff balancing weight upper end with shutoff head lower extreme is connected.

Above-mentioned deep water district solid phase sampling device, the heat exchange tube with be equipped with the clearance between the heat preservation section of thick bamboo inner wall.

The utility model has the advantages as follows:

1. the utility model discloses utilize the water sample of low temperature refrigerant (low temperature carbon dioxide or other temperature gas that the dry ice evaporation formed) in with the sampling tube to turn into solid-state, then take out solid-state water sample from the aquatic, unfreeze the water sample again and can carry out water quality testing.

2. The utility model discloses can carry out the accuracy collection to the water sample of the different degree of depth under level sensor's supplementary.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the solid phase sampling device in the deep water area of the present invention.

In the figure, 1-the pulling hose; 2-a sampling tube; 3, a heat preservation cylinder; 4-sampling balancing weight; 5-blocking head; 6-heat exchange tube; 7-refrigerant conveying hose; 8-a hauling rope; 9-a liquid level sensor; 10-a data cable; 11-plugging a balancing weight.

Detailed Description

In order to explain the present invention more clearly, the present invention will be further described with reference to the preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.

As shown in fig. 1, the solid phase sampling device in the deep water area comprises a sampling part and a traction part, wherein the sampling part comprises a sampling cylinder 2, a heat preservation cylinder 3, a heat exchange tube 6, a sampling balancing weight 4 and a plugging head 5; the traction part comprises a traction hose 1, a refrigerant conveying hose 7 and a traction rope 8; the heat-preserving cylinder 3 is sleeved on the sampling cylinder 2, the upper end of the sampling cylinder 2 is coaxially and detachably connected with the cylinder bottom at the upper end of the heat-preserving cylinder 3, and the cylinder bottom at the upper end of the heat-preserving cylinder 3 is detachably connected with the traction hose 1; the lower end of the refrigerant conveying hose 7 sequentially penetrates through the traction hose 1, an assembly hole in the bottom of the upper end of the heat-insulating cylinder 3 and a mounting hole in the sampling cylinder 2 to be in fluid conduction connection with the heat exchange tube 6 arranged in an annular cavity between the heat-insulating cylinder 3 and the sampling cylinder 2, and a gap is formed between the heat exchange tube 6 and the inner wall of the heat-insulating cylinder 3; the sampling balancing weight block 4 is sleeved on the sampling cylinder 2 and blocks the annular cavity; the lower end of the traction rope 8 is detachably connected with the plugging head 5 through the traction hose 1 and the assembling hole in sequence, and the plugging head 5 is used for plugging a barrel opening at the lower end of the sampling barrel 2; the upper end of the refrigerant conveying hose 7 is in fluid conduction connection with a refrigerant storage container, and the refrigerant stored in the refrigerant storage container is liquid carbon dioxide.

In this embodiment, be equipped with level sensor 9 on the inner wall of sampling tube 2, level sensor 9 passes through data cable 10 and digital display appearance communication connection. The setting of level sensor 9 is convenient for the sampling personnel in time to know water sample liquid level height in the sampling tube 2.

In order to facilitate the sinking of the plugging head 5 and the opening of the lower end of the sampling tube 2, a plugging balancing weight 11 is arranged on the plugging head 5, and the upper end of the plugging balancing weight 11 is connected with the lower end of the plugging head 5.

When the utility model is used, the traction rope 8 is tensioned, so that the plugging head 5 seals the lower end opening of the sampling tube 2, then the sampling part is put into the water body through the traction hose 1, the sampling part gradually sinks below the water surface under the self gravity, after the sampling part reaches the preset position, the traction rope 8 is loosened, the plugging head 5 sinks under the assistance of the plugging balancing weight 11, the lower end opening of the sampling tube 2 is opened, the water sample enters the sampling tube 2, when the liquid level height in the sampling tube 2 is close to the preset sampling height, the traction rope 8 is tensioned, the lower end opening of the sampling tube 2 is plugged by the plugging head 5, then the low-temperature carbon dioxide is introduced into the heat exchange tube 6 through the refrigerant conveying hose 7, and the carbon dioxide gas can absorb the heat of the water sample in the sampling tube 2 and convert the heat into the carbon dioxide with higher temperature, thereby make water sample temperature reduce and form the solid, work as level sensor 9 is in monitor again after the end opening is blocked off under the sampling tube 2 the liquid level is showing and rising and after stable in the sampling tube 2, can with the sample division is taken out from the aquatic, then will freeze into in the water sample storage container of ice.

Because the water sample is ice before being taken out from the water, the ice seals the connection part of the sealing head 5 and the lower end opening of the sampling tube 2, shallow water hardly enters the sampling tube 2, and when a solid water sample is transferred to the water sample storage container, the ice close to the sealing head 5 is removed, and residual ice is remained, so that the water sample pollution caused by the fact that the shallow water adhered to the outer wall of the sampling part drips into the water sample storage container in the water sample transfer process can be avoided.

Utilize the utility model discloses gather the deep water sample in deep water district, can guarantee the purity of water sample, avoid the pollution of the water of other degree of depth to the water sample.

The above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and for those skilled in the art, other variations or changes in different forms can be made on the basis of the above descriptions, and all embodiments cannot be exhausted here, and all the obvious variations or changes introduced by the technical solution of the present invention are still in the scope of protection of the present invention.

Claims

1. The deep water area solid phase sampling device is characterized by comprising a sampling part and a traction part, wherein the sampling part comprises a sampling cylinder (2), a heat preservation cylinder (3), a heat exchange tube (6), a sampling balancing weight (4) and a plugging head (5); the traction part comprises a traction hose (1), a refrigerant conveying hose (7) and a traction rope (8); the heat-preserving cylinder (3) is sleeved on the sampling cylinder (2), the upper end of the sampling cylinder (2) is coaxially detachably connected with the cylinder bottom at the upper end of the heat-preserving cylinder (3), and the cylinder bottom at the upper end of the heat-preserving cylinder (3) is detachably connected with the traction hose (1); the lower end of the refrigerant conveying hose (7) sequentially penetrates through the traction hose (1), an assembling hole in the bottom of the upper end of the heat-insulating cylinder (3) and a mounting hole in the sampling cylinder (2) and is in fluid conduction connection with the heat exchange tube (6) arranged in an annular cavity between the heat-insulating cylinder (3) and the sampling cylinder (2); the sampling balancing weight (4) is sleeved on the sampling cylinder (2) and seals the annular cavity; the lower end of the traction rope (8) is sequentially detachably connected with the sealing head (5) through the traction hose (1) and the assembling hole, and the sealing head (5) is used for sealing a barrel opening at the lower end of the sampling barrel (2); the upper end of the refrigerant conveying hose (7) is in fluid conduction connection with a refrigerant storage container, and the refrigerant stored in the refrigerant storage container is liquid carbon dioxide or liquid air.

2. The deepwater zone solid phase sampling device of claim 1, wherein a liquid level sensor (9) is arranged on the inner wall of the sampling cylinder (2), and the liquid level sensor (9) is in communication connection with a digital display through a data cable (10).

3. The deep water area solid phase sampling device of claim 2, wherein the plugging head (5) is provided with a plugging balancing weight (11).

4. The deep water area solid phase sampling device of claim 3, wherein the upper end of the plugging balancing weight (11) is connected with the lower end of the plugging head (5).

5. The deep water area solid phase sampling device according to any one of claims 1 to 4, wherein a gap is formed between the heat exchange tube (6) and the inner wall of the heat preservation cylinder (3).