Deepwater automatic sampling device

Abstract

The utility model relates to the technical field of sampling equipment, and provides a deepwater automatic sampling device which comprises a sampling barrel, a sample storage box, an air compressor and a vacuum pump, the air compressor is communicated with the compressed air injection pipeline, and the compressed air injection pipeline is communicated with the top of the sampling barrel; the vacuum pump is communicated with a vacuumizing pipeline, and the vacuumizing pipeline is converged into a compressed air injection pipeline; the sample storage box is communicated with the sampling pipeline, and the sampling pipeline is communicated with the lower part of the sampling barrel; a water inlet is formed in the bottom of the sampling barrel. According to the deep water sampling device, sampling liquid is sucked in through vacuumizing, compressed air is injected for lifting, and the sampling liquid is conveyed into the sample storage box, so that deep water sampling work is realized, and the deep water sampling efficiency and the operation convenience are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sampling equipment technical field especially relates to a deep water automatic sampling device. BACKGROUND

[0002] The ocean, lake, river, breeding farm, port and other areas need to sample deep water, and detect the sample liquid. However, the sampling port of deep water sampling is generally very narrow, and large diving equipment can only be installed at the ground, so it cannot be installed in deep water. Since the sampling point is very deep, and the total amount of sample liquid required for sampling is small, the equipment installed on the ground cannot extract the sample liquid with a depth of more than 10 meters by self-suction, resulting in difficulty in deep water sampling. SUMMARY

[0003] The utility model mainly solves the technical problem that the prior art relies on the equipment installed on the ground to sample by self-suction, the sampling point is very deep, the total amount of sample liquid required for sampling is small, and the sample liquid with a depth of more than 10 meters cannot be extracted, resulting in difficulty in deep water sampling. A deep water automatic sampling device is provided, which sucks in the sample liquid by vacuumizing, injects compressed air to lift and transport the sample liquid to the sample storage box, to realize deep water sampling work and improve the deep water sampling efficiency and operation convenience.

[0004] The utility model provides a kind of deep water automatic sampling device, comprising: sampling bucket, sample storage box, air compressor and vacuum pump;

[0005] The air compressor is communicated with the injection compressed air pipeline, and the injection compressed air pipeline is communicated with the top of the sampling bucket;

[0006] The vacuum pump is communicated with the vacuum pipeline, and the vacuum pipeline is merged into the injection compressed air pipeline;

[0007] The sample storage box is communicated with the sampling pipeline, and the sampling pipeline is communicated with the lower part of the sampling bucket;

[0008] The bottom of the sampling bucket is provided with a water inlet.

[0009] Preferably, the water inlet of the sampling bucket is provided with a check valve.

[0010] Preferably, a first control valve is arranged on the vacuum pipeline.

[0011] A second control valve is arranged on the injection compressed air pipeline.

[0012] A third control valve is arranged on the sampling pipeline.

[0013] Preferably, a vacuum pressure gauge is arranged on the merging pipeline of the vacuum pipeline and the injection compressed air pipeline.

[0014] Preferably, the sample storage box, air compressor and vacuum pump are integrated together, and a shell is externally arranged.

[0015] The deep water automatic sampling device has the following advantages compared with the prior art.

[0016] 1. The sampling liquid is sucked by vacuumizing and is injected with compressed air to be lifted and transported into the sample storage box, so that deep water sampling work is realized, and the deep water sampling efficiency and operation convenience are improved.

[0017] 2. The deep water automatic sampling device integrates the functions of vacuumizing, injecting compressed air, and sealing sampling into one, is convenient and practical, and can realize deep well sampling, sample transportation and sample preservation.

[0018] 3. The sampling liquid is transported into the sample storage box through the sampling pipeline. The sampling bucket is small in size and can be installed into narrow pipelines. The sampling bucket, the sample storage box, the air compressor and the vacuum pump are connected through the pipeline and can be installed into very deep underground pipelines for use. The sampling process is completely sealed, the operator does not need to contact the sampling liquid, even if the sampling liquid is dangerous, the safety of the operator is not threatened, and the applicability is good.

[0019] 4. The deep water automatic sampling device can be applied to deep water sampling in marine, lake, river, breeding farm, port and the like, and is also applicable to radioactive liquid sampling and chemical toxic and harmful substance sampling. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of the deep water automatic sampling device.

[0021] The drawing comprises: 1, an injection compressed air pipeline; 2, a first control valve; 3, a vacuumizing pipeline; 4, an air compressor; 5, a vacuum pressure gauge; 6, a sampling pipeline; 7, a sample storage box; 8, a vacuum pump; 9, a check valve; 10, a sampling bucket; 11, a second control valve; 12, a third control valve; 13, a shell. DETAILED DESCRIPTION

[0022] In order to make the technical problems solved by the utility model, the technical scheme adopted and the technical effects reached more clear, the utility model will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that, in order to facilitate the description, only the parts related to the utility model are shown in the drawings, not all contents.

[0023] As shown in Figure 1 The deep water automatic sampling device provided by the utility model embodiment comprises a sampling bucket 10, a sample storage box 7, an air compressor 4 and a vacuum pump 8.

[0024] The air compressor 4 is communicated with the injection compressed air pipeline 1, the injection compressed air pipeline 1 is communicated with the top of the sampling barrel 10; the second control valve 11 is arranged on the injection compressed air pipeline 1; the air compressor 4 and the injection compressed air pipeline 1 are used for injecting compressed air into the sampling barrel 10.

[0025] The vacuum pump 8 is communicated with the vacuum pipeline 3, the vacuum pipeline 3 is merged into the injection compressed air pipeline 1; the first control valve 2 is arranged on the vacuum pipeline 3; the vacuum pump 8 and the vacuum pipeline 3 are used for vacuumizing the sampling barrel 10.

[0026] The sampling tank 7 is communicated with the sampling pipeline 6, the sampling pipeline 6 is communicated with the lower part of the sampling barrel 10; the third control valve 12 is arranged on the sampling pipeline 6. The sampling tank 7 and the sampling pipeline 6 are used for sampling liquid.

[0027] The bottom of the sampling barrel 10 is provided with a water inlet. The water inlet of the sampling barrel 10 is provided with a check valve 9.

[0028] In the embodiment, the vacuum pressure gauge 5 is arranged on the merging pipeline of the vacuum pipeline 3 and the injection compressed air pipeline 1. The sampling tank 7, the air compressor 4 and the vacuum pump 8 are integrated together, and the shell 13 is arranged outside.

[0029] The working process of the deep water automatic sampling device is as follows:

[0030] I. The vacuum pipeline 3 is merged into the injection compressed air pipeline 1, and the injection compressed air pipeline 1 and the sampling pipeline 6 are connected to the sampling barrel 10;

[0031] II. The sampling barrel 10 is lowered to the bottom sampling liquid along the tunnel pipeline of the sampling position;

[0032] III. The third control valve 12 on the sampling pipeline 6 is closed, the second control valve 11 on the injection compressed air pipeline 1 is closed, and the first control valve 2 on the vacuum pipeline 3 is opened;

[0033] IV. The vacuum pump 8 is started, and the sampling barrel 10 is extracted, so that part of the sampling liquid enters the sampling barrel 10 from the water inlet of the sampling barrel 10 due to the pressure difference;

[0034] V. The value of the vacuum pressure gauge 5 is observed, and when the specified value is reached, the first control valve 2 on the vacuum pipeline 3 is closed, and the check valve 9 in the sampling barrel 10 is automatically closed;

[0035] VI. The second control valve 11 on the injection compressed air pipeline 1 is opened, and the third control valve 12 on the sampling pipeline 6 is opened;

[0036] Seven, start the air compressor 4, inject compressed air into the sampling barrel 10;

[0037] Eight, with the injection of compressed air, the sampling liquid in the sampling barrel 10 is pressed into the sampling pipeline 6 by pressure, and finally into the sample storage box 7;

[0038] Nine, when a sufficient amount of sampling liquid is obtained, the third control valve 12 on the sampling pipeline 6 is closed;

[0039] Ten, turn off the air compressor 4, and turn off the second control valve 11 on the compressed air injection pipeline 1;

[0040] Eleven, lift the sampling barrel 10 to the ground, and remove the compressed air injection pipeline 1, the vacuum pipeline 3 and the sampling pipeline 6.

[0041] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: modifying the technical solutions recorded in the foregoing embodiments, or equivalently replacing part or all of the technical features, does not make the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A deep water autosampler apparatus, characterized by, Comprise: a sampling bucket (10), a sample storage box (7), an air compressor (4) and a vacuum pump (8); the air compressor (4) is communicated with an injection compressed air pipeline (1), the injection compressed air pipeline (1) is communicated with the top of the sampling bucket (10); the vacuum pump (8) is communicated with a vacuum pipeline (3), the vacuum pipeline (3) is merged into the injection compressed air pipeline (1); the sample storage box (7) is communicated with a sampling pipeline (6), the sampling pipeline (6) is communicated with the lower part of the sampling bucket (10); the bottom of the sampling bucket (10) is provided with a water inlet.

2. The deep water autosampler of claim 1, wherein, The water inlet of the sampling bucket (10) is provided with a check valve (9).

3. The deep water autosampler of claim 1, wherein, A first control valve (2) is arranged on the vacuum pipeline (3); A second control valve (11) is arranged on the injection compressed air pipeline (1); A third control valve (12) is arranged on the sampling pipeline (6).

4. The deep water autosampler of claim 3, wherein, A vacuum pressure gauge (5) is arranged on the merging pipeline of the vacuum pipeline (3) and the injection compressed air pipeline (1).

5. The deep water autosampler of claim 1, wherein, The sample storage box (7), the air compressor (4) and the vacuum pump (8) are integrated together, and an outer shell (13) is arranged.

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