Wastewater sampling device for environmental monitoring

Abstract

The utility model discloses a waste water sampling device for environmental monitoring, a collecting bottle is composed of a collecting cylinder and a sealing cover, the sealing cover is in threaded connection with the collecting cylinder, and the top of the sealing cover is in threaded connection with a gas delivery pipe, so that the gas delivery pipe controls the gas pressure in an inner cavity of the collecting bottle. A gas conveying pipe is arranged on a sealing cover in threaded connection with the top of a collecting bottle on a wastewater sampling device, and a valve is mounted on the gas conveying pipe, so that after wastewater enters the collecting bottle, the valve on the gas conveying pipe is opened, and the wastewater pushes a floating plate movably mounted in a connecting cylinder fixedly connected with the bottom of a collecting cylinder to move upwards along a floating groove; a valve on a gas conveying pipe is closed after collection, so that a floating plate on a floating mechanism moves downwards under the pushing of water liquid in a collection bottle, the floating plate seals the liquid inlet, and then the waste water is collected through a plurality of liquid discharging holes which are connected with the floating groove. The wastewater collection efficiency and the collection quality of the wastewater sampling device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental monitoring sampling, in particular to a wastewater sampling device for environmental monitoring. Background Art

[0002] The water environment refers to the space where water is formed, distributed and transformed in nature. The water environment is one of the basic elements of the environment. It is an important place for human society to survive and develop, and it is also the area most disturbed and damaged by humans. In order to protect the water environment, sampling and testing are often required, which requires the use of wastewater sampling devices for environmental monitoring.

[0003] The existing wastewater sampling device (a wastewater sampling device for environmental monitoring with application number 202222965604.2) controls the opening and closing of the collection bottle through a float, and the wastewater to be sampled enters a sealed glass bottle. The gas pressure in the glass bottle makes it difficult for the wastewater sample to enter the glass bottle, affecting the efficiency of environmental monitoring wastewater sampling, and no floating mechanism is set on the collection bottle to enable the floating mechanism to control the opening and closing of the collection bottle, thereby improving the wastewater collection efficiency and collection quality. Utility Model Content

[0004] In view of the above-mentioned defects or shortcomings in the prior art, it is expected to provide a wastewater sampling device for environmental monitoring, which is used to solve the technical problems of the existing wastewater sampling device, in which the opening and closing of the collecting bottle is controlled by a float, and the wastewater to be sampled enters a sealed glass bottle. The gas pressure in the glass bottle makes it difficult for the wastewater sample to enter the glass bottle, affecting the efficiency of environmental monitoring wastewater sampling, and no floating mechanism is provided on the collecting bottle to enable the floating mechanism to control the opening and closing of the collecting bottle, thereby improving the wastewater collection efficiency and collection quality.

[0005] According to the technical solution provided in the embodiment of the present application, the wastewater sampling device for environmental monitoring includes a collection bottle, which is composed of a collection tube and a sealing cover, the sealing cover is threadedly connected to the collection tube, and a gas pipe is threadedly connected to the top of the sealing cover, so that the gas pipe controls the gas pressure in the inner cavity of the collection bottle;

[0006] The floating mechanism includes a floating plate, an elastic member and a plurality of positioning rods. A connecting tube is fixedly installed at the bottom of the collection tube, a floating groove is provided on the connecting tube, the floating plate is movably installed in the floating groove, and a plurality of positioning rods are also fixedly installed in parallel and at intervals in the floating groove. The plurality of positioning rods pass through the movable holes on the floating plate, and the top of the floating plate abuts against the elastic member, so that the floating mechanism controls the collection bottle to open and close when the collection bottle collects wastewater.

[0007] Furthermore, a valve is fixedly installed on the gas pipe, and the valve controls the opening and closing of the gas pipe so that the gas pipe can discharge the gas in the collection bottle.

[0008] Furthermore, a connecting rod is rotatably mounted on the sealing cover, and a cable is fixedly mounted on the connecting rod so that the cable is used to move the collection bottle downward.

[0009] Furthermore, a liquid inlet is provided at the bottom of the connecting tube for inputting wastewater, and a through hole is provided at the top of the connecting tube so that the liquid in the collecting bottle enters the floating tank from the through hole for downward movement of the floating plate.

[0010] Furthermore, the connecting tube is also provided with a plurality of drainage holes so that the collected waste water can enter the collection bottle from the drainage holes.

[0011] To summarize, the beneficial effects of the present application are as follows: an air pipe is arranged through a sealing cover screwed on the top of the collection bottle on the wastewater sampling device, and a valve is installed on the air pipe, so that after the collection bottle enters the wastewater, the valve on the air pipe opens, so that the wastewater pushes the movably installed floating plate in the connecting tube fixedly connected to the bottom of the collection tube to move upward along the floating groove, so that the wastewater enters the floating groove from the liquid inlet, and enters the collection tube from several drainage holes connected to the floating groove for collection. After the collection is completed, the valve on the air pipe is closed, so that the floating plate on the floating mechanism moves downward under the push of the water in the collection bottle, so that the floating plate seals the liquid inlet, thereby improving the wastewater collection efficiency and collection quality of the wastewater sampling device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the exploded structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the floating mechanism of the utility model.

[0017] Numbers in the figure: collecting bottle - 100, collecting tube - 110, connecting tube - 111, liquid inlet - 1111, through hole - 1112, liquid discharge hole - 1113, sealing cover - 120, air pipe - 130, valve - 131, connecting rod - 140, cable - 150, floating mechanism - 200, floating plate - 210, elastic member - 220, positioning rod - 230. DETAILED DESCRIPTION

[0018] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0019] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0020] Wastewater sampling device for environmental monitoring, its structure is as follows Figure 1-Figure 4 As shown, it includes a collection bottle 100, which is composed of a collection tube 110 and a sealing cover 120. The sealing cover 120 is screwed to the collection tube 110, and a gas pipe 130 is screwed to the top of the sealing cover 120, so that the gas pipe 130 controls the gas pressure in the inner cavity of the collection bottle 100; a floating mechanism 200, which includes a floating plate 210, an elastic member 220 and a plurality of positioning rods 230. A connecting tube 111 is fixedly installed at the bottom of the collection tube 110, and a floating groove is provided on the connecting tube 111. The floating plate 210 is movably installed in the floating groove. A plurality of positioning rods 230 are also fixedly installed in the floating groove in parallel and at intervals. The plurality of positioning rods 230 pass through the moving holes on the floating plate 210, and the top of the floating plate 210 abuts against the elastic member 220, so that the floating mechanism 200 controls the collection bottle 100 to open and close when the collection bottle 100 collects wastewater.

[0021] When in use, the collection bottle 100 on the wastewater sampling device is placed inside the wastewater to be tested through the cable 150, so that the collection bottle 100 sinks to the bottom of the wastewater, and the sealing cover 120 screwed on the top of the collection bottle 100 is provided with an air supply pipe 130, and a valve 131 is installed on the air supply pipe 130. The valve 131 is opened to make the pressure difference between the inside and outside of the sealed collection bottle 100 so that the wastewater enters the floating tank from the liquid inlet 1111 at the bottom of the collection bottle 100, so that the wastewater pushes the floating plate 210 to move up along the floating tank, thereby The metal spring of the elastic member 220 is compressed so that the wastewater enters the collecting tube 110 from the plurality of drainage holes 113 on the connecting tube 111 for collection. After the collection is completed, the valve 131 on the air pipe 130 is closed so that the liquid in the collecting bottle 100 is pushed by gravity, so that the floating plate 210 on the floating mechanism 200 moves downward under the push of the water in the collecting bottle 100, so that the floating plate 210 seals the liquid inlet, thereby completing the collection of the collecting bottle 100 and improving the wastewater collection efficiency and collection quality of the wastewater sampling device.

[0022] As a preferred embodiment, please refer to Figure 1 A valve 131 is also fixedly installed on the gas pipe 130. The valve 131 controls the opening and closing of the gas pipe 130 so that the gas pipe 130 discharges the gas in the collection bottle 100. During the sampling process, the pressure in the collection bottle 100 is consistent with the pressure in the wastewater, so that the wastewater enters the collection bottle 100.

[0023] As a preferred embodiment, please refer to Figure 1 and Figure 2 A connecting rod 140 is rotatably mounted on the sealing cover 120, and a cable 150 is fixedly mounted on the connecting rod 140 so that the cable 150 can be used to raise and lower the collection bottle 100 in a reeling and winding mode.

[0024] As a preferred embodiment, please refer to Figure 3 and Figure 4 A liquid inlet 1111 is provided at the bottom of the connecting tube 111 for inputting wastewater, and a through hole 1112 is provided at the top of the connecting tube 111, so that the liquid collected in the collection bottle 100 pushes the floating plate 210 down along the floating groove under the action of gravity, so that the floating plate 210 seals the liquid inlet to complete the wastewater collection.

[0025] As a preferred embodiment, please refer to Figure 3 and Figure 4 A plurality of drainage holes 1113 are also provided on the connecting tube 111 so that the pressure difference between the inside and outside of the collecting bottle 100 can squeeze the waste water into the floating tank, so that the waste water can enter the collecting bottle 100 from the drainage holes 1113 .

[0026] The working principle of the utility model is:

[0027] When in use, the collection bottle 100 on the wastewater sampling device is placed inside the wastewater to be tested through the cable 150, so that the collection bottle 100 sinks to the bottom of the wastewater, and the sealing cover 120 screwed on the top of the collection bottle 100 is provided with an air supply pipe 130, and a valve 131 is installed on the air supply pipe 130. The valve 131 is opened to make the pressure difference between the inside and outside of the sealed collection bottle 100 so that the wastewater enters the floating tank from the liquid inlet 111 at the bottom of the collection bottle 100, so that the wastewater pushes the floating plate 210 to move up along the floating tank, thereby the metal elastic member 220 The spring is compressed to allow wastewater to enter the collecting tube 110 from the plurality of drainage holes 1113 on the connecting tube 111 for collection. After the collection is completed, the valve 131 on the air pipe 130 is closed to allow the liquid in the collecting bottle 100 to move downward under the push of gravity, so that the floating plate 210 on the floating mechanism 200 is pushed down by the water in the collecting bottle 100, and the metal spring of the elastic member 220 is restored to allow the floating plate 210 to seal the liquid inlet 1111, thereby completing the collection of the collecting bottle 100 and improving the wastewater collection efficiency and collection quality of the wastewater sampling device.

[0028] The above description is only an explanation of the preferred embodiments of the present application and the technical principles and other schemes used. At the same time, the scope of the utility model involved in the present application is not limited to the technical scheme formed by a specific combination of the above technical features, but also includes other technical schemes formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) to form a technical scheme.

Claims

1. A wastewater sampling device for environmental monitoring, characterized by: The invention comprises a collection bottle (100), which is composed of a collection tube (110) and a sealing cover (120), wherein the sealing cover (120) is threadedly connected to the collection tube (110), and a gas pipe (130) is threadedly connected to the top of the sealing cover (120), so that the gas pipe (130) controls the gas pressure in the inner cavity of the collection bottle (100); The floating mechanism (200) comprises a floating plate (210), an elastic member (220) and a plurality of positioning rods (230). A connecting tube (111) is fixedly mounted at the bottom of the collecting tube (110). A floating groove is arranged on the connecting tube (111). The floating plate (210) is movably mounted in the floating groove. A plurality of positioning rods (230) are also fixedly mounted in parallel and at intervals in the floating groove. The plurality of positioning rods (230) pass through movable holes on the floating plate (210). The top of the floating plate (210) abuts against the elastic member (220), so that the floating mechanism (200) controls the collecting bottle (100) to open and close when the collecting bottle (100) collects wastewater.

2. The wastewater sampling device for environmental monitoring according to claim 1 is characterized in that: A valve (131) is also fixedly mounted on the gas delivery pipe (130), and the valve (131) controls the opening and closing of the gas delivery pipe (130), so that the gas delivery pipe (130) discharges the gas in the collection bottle (100).

3. The wastewater sampling device for environmental monitoring according to claim 1 is characterized in that: A connecting rod (140) is also rotatably mounted on the sealing cover (120), and a cable (150) is fixedly mounted on the connecting rod (140), so that the cable (150) is used to move the collection bottle (100) downward.

4. The wastewater sampling device for environmental monitoring according to claim 1 is characterized in that: The bottom of the connecting tube (111) is provided with a liquid inlet (1111) for inputting waste water, and the top of the connecting tube (111) is provided with a through hole (1112) so that the liquid in the collecting bottle (100) can enter the floating tank through the through hole (1112) for downward movement of the floating plate (210).

5. The wastewater sampling device for environmental monitoring according to claim 1 is characterized in that: The connecting tube (111) is also provided with a plurality of drainage holes (1113) so that the collected waste water can enter the collection bottle (100) through the drainage holes (1113).

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