Depth-keeping water sampling device and water sampling method of depth-keeping water sampling device

A water-collecting device and water-collecting technology, applied in the direction of sampling device, etc., can solve the problems of high price, difficult operation, complicated structure, etc., and achieve the effects of simple production, easy operation, and easy realization.

Inactive Publication Date: 2014-12-17
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing fixed-depth water harvesting devices are complex in structure, expensive and difficult to operate

Method used

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  • Depth-keeping water sampling device and water sampling method of depth-keeping water sampling device
  • Depth-keeping water sampling device and water sampling method of depth-keeping water sampling device
  • Depth-keeping water sampling device and water sampling method of depth-keeping water sampling device

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Embodiment Construction

[0031] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0032] Such as figure 1 As shown, the fixed-depth water harvesting device of the present invention includes a scale rope 3, a weight 4, a water collection cylinder 5 and a lead fish 6, wherein the scale rope 3 is connected to the on-board winch 2 parked on the water surface survey ship, and is connected sequentially from bottom to top Lead fish 6, water sampling tube 5 and ship-borne winch 2, weight 4 have central hole, pass on the scale rope 3 between water sampling tube 5 and ship-borne winch 2.

[0033] Such as figure 2 , image 3 and Figure 6 As shown, the water collection cylinder 5 includes an upper end cover 501, a lower end cover 515, a cylinder body 502, a scale rope fixing part, a water discharge part and an opening and closing mechanism for controlling the upper end cover 501 and the lower end cover 515 switch, and the scale rope fixing part i...

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Abstract

The invention relates to water sampling equipment and particularly relates to a depth-keeping water sampling device and a water sampling method of the depth-keeping water sampling device. The water sampling device comprises a scale rope, a heavy hammer, a water sampling barrel and a fish lead, wherein the water sampling barrel comprises an end cover, a barrel body, a scale rope fixing part, an opening / closing mechanism and a water draining part; the scale rope fixing part comprises an upper fixing block, a lower fixing block and a forcing screw; and the opening / closing mechanism comprises an elastic part, an end cover rope buckle, a rope buckle, a stick body, a U-shaped block, a limiting block, a straight column pin, a folding type pin and a spring. The method comprises the following steps: before water sampling, the scale rope is sequentially connected with the fish lead, the water sampling barrel and the heavy hammer and the end cover of the water sampling barrel is opened; in the water sampling, the water sampling barrel is put into a needed depth and the heavy hammer is manually released to tamp the opening / closing mechanism, so that the rope buckle is released and the water sampling barrel is closed; and finally, the water sampling barrel is lifted by an onboard winch on an investigation boat to finish the water sampling, and water is drained by the water draining part and a water sample is analyzed. The depth-keeping water sampling device and the water sampling method have the advantages that the water sampling is rapid, the manufacturing is easy, a plurality of layers of the water samples can be obtained and the like.

Description

technical field [0001] The invention relates to water harvesting equipment, in particular to a fixed depth water harvesting device and a water harvesting method thereof. Background technique [0002] Microbial analysis, suspended particulate matter capture and chemical composition identification in water bodies are important contents for human beings to understand and study rivers, lakes and oceans. The first condition for this analysis and research is to obtain their water body samples. Surface water is easy to obtain, but it is difficult to collect water samples at fixed depths. The existing fixed-depth water collection device has complicated structure, high price and difficult operation. Contents of the invention [0003] The object of the present invention is to provide a fixed-depth water mining device and a water mining method thereof. [0004] The purpose of the present invention is achieved through the following technical solutions: [0005] The fixed-depth wate...

Claims

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Application Information

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IPC IPC(8): G01N1/10
Inventor 陈永华倪佐涛徐永平姜静波李晓龙涂登志
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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