A styrene storage tank sampling device

Abstract

This utility model relates to the field of sampling device technology. To address the problems in existing technologies where sampling is performed directly through a sampling tube connected to the storage tank, which is unsuitable for the sampling of volatile solvents and easily leads to solvent evaporation and environmental pollution, this utility model provides a styrene storage tank sampling device, including an inlet pipe, a sampling component, and a vacuum component. The sampling component includes an operating chamber and an open box. The open box is located at the top of the operating chamber, and a evaporation port is provided at the top of the open box. The vacuum component penetrates from the top of the operating chamber and extends towards the evaporation port. The inlet pipe penetrates from the side of the operating chamber and communicates with the open box. This utility model performs sampling inside the operating chamber, facilitating vacuum extraction to prevent styrene from drifting into the external environment and causing environmental pollution. Furthermore, it avoids direct harm to workers during the sampling process.

Description

Technical Field

[0001] This utility model relates to the field of sampling device technology, and more specifically, to a styrene storage tank sampling device. Background Technology

[0002] During the transportation and storage of liquid raw materials, it is necessary to regularly test the quality of the raw materials. Currently, the sampling ports for stored raw materials are all connected to a sampling pipeline by the tank body, and sampling is carried out by setting a sampling port on the sampling pipeline. For example, the storage device disclosed in the patent with announcement number CN218318533U has a sampling tube connected to the top of the tank body, and the sampling tube is opened by opening and closing the sealing cover. However, for volatile solvents such as styrene, this sampling method is very likely to cause solvent evaporation, pollute the environment and even affect the health of workers. Based on the above description, there is an urgent need for a sampling device suitable for the sampling inspection of volatile solvents such as styrene. Utility Model Content

[0003] The purpose of this invention is to provide a styrene storage tank sampling device, which aims to solve the technical problems in the prior art, such as the inability to directly sample using a sampling tube connected to the storage tank, which is not suitable for the sampling and inspection of volatile solvents and is prone to causing environmental pollution due to solvent evaporation.

[0004] The embodiments of this utility model are achieved through the following technical solutions: A styrene storage tank sampling device includes an inlet pipe, a sampling assembly, and an extraction assembly; the sampling assembly includes an operating box and an open box; the open box is disposed on the top of the operating box; the top of the open box has an evaporation port; the extraction assembly enters from the top of the operating box and extends towards the evaporation port; the inlet pipe enters from the side of the operating box and communicates with the open box.

[0005] Preferably, the bottom wall of the open box is arc-shaped; the bottom of the open box is connected to a liquid outlet tube.

[0006] Preferably, the top of the opening box is provided with a flow guide section; the flow guide section slopes from high to low towards the end away from the liquid inlet pipe.

[0007] Preferably, the bottom of the operating box is connected to a drainage assembly.

[0008] Preferably, the drain assembly includes a drain pipe, a first pipe valve, and a mounting clamp; one end of the drain pipe is connected to the bottom of the operating box; the other end of the drain pipe is sleeved on the outer wall of the feed pipe through the mounting clamp; the drain pipe is connected to the feed pipe; and the first pipe valve is located between the drain pipe and the mounting clamp.

[0009] Preferably, the operating box is equipped with a shelf.

[0010] Preferably, a flow meter and a second valve are provided at one end of the inlet pipe that extends out of the operating box.

[0011] The technical solution of this utility model embodiment has at least the following advantages and beneficial effects: This invention allows for sampling inside the operating chamber, facilitating air extraction via a vacuum assembly. This prevents styrene from escaping into the external environment during sampling, thus avoiding environmental pollution and direct harm to workers. Furthermore, the use of an open box to buffer styrene also prevents liquid splashing during inlet pipe entry, further facilitating safe sampling. Attached Figure Description

[0012] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 for Figure 1 A sectional view; Figure 3 This is a three-dimensional structural diagram of the open box body in this utility model.

[0014] Icons: 1-Inlet pipe, 2-Sampling assembly, 21-Operating box, 211-Box door, 22-Open box, 221-Flow guide section, 3-Air extraction assembly, 4-Outlet capillary tube, 5-Drainage assembly, 51-Drainage pipe, 52-First valve, 53-Mounting fixture, 6-Placement platform, 7-Flow meter, 8-Second valve. Detailed Implementation

[0015] Example 1 Please see Figures 1 to 3 The present invention provides the following technical solution: a styrene storage tank sampling device, which is suitable for the safety sampling inspection of volatile styrene.

[0016] Specifically, such as Figure 1 and Figure 2As shown, a styrene storage tank sampling device includes an inlet pipe 1, a sampling component 2, and an air extraction component 3. The sampling component 2 includes an operating box 21 and an open box 22. The open box 22 is located inside the top of the operating box 21. An evaporation port is provided at the top of the open box 22. The air extraction component 3 is inserted from the top of the operating box 21 and extends towards the evaporation port. The inlet pipe 1 is inserted from the side of the operating box 21 and communicates with the open box 22.

[0017] The specific implementation process is as follows: the styrene liquid stored in the storage tank is introduced into the open box 22 inside the operating box 21 through the liquid inlet pipe 1. Then, after the staff opens the box door 211 of the operating box 21, the styrene liquid is collected by a container at the bottom drain port of the open box 22. During sampling, the air extraction component 3 is activated to promptly extract the volatilized styrene to the waste gas treatment workshop in the factory area for waste gas treatment.

[0018] In this embodiment, sampling is performed inside the operating chamber 21 to facilitate extraction using the extraction assembly 3, thus preventing styrene from drifting into the external environment and causing environmental pollution during sampling. Furthermore, it avoids direct harm to personnel during the sampling process. The extraction assembly 3 includes an exhaust pipe connected to the waste gas treatment workshop, an extraction pipe, and a negative pressure extraction pump. The extraction pipe passes through the operating chamber 21 and is located above the evaporation port of the open box 22, enabling timely extraction of the evaporated styrene. By using the open box 22 to buffer the styrene, solvent splashing is also prevented when the liquid inlet pipe 1 is inlet, further facilitating safe sampling.

[0019] In this embodiment, the door 211 is a hinged door commonly used in the prior art. It has a sealing ring on its inner side, one end of which is connected to the box body 21 by a hinge, and the other end is provided with a buckle.

[0020] Specifically, such as Figure 2 and Figure 3 As shown, the bottom wall of the open box 22 is arc-shaped; the bottom of the open box 22 is connected to the liquid outlet tube 4. The top of the open box 22 is provided with a flow guide section 221; the flow guide section 221 slopes from high to low towards the end away from the liquid inlet tube 1.

[0021] In this embodiment, the liquid outlet capillary 4 can also be a dropper with a valve for accurate sampling. In addition, the open box 22 with a rounded bottom wall can not only guide the flow and prevent liquid from flowing out, but also reduce the discharge speed of the liquid outlet capillary 4, further facilitating the accurate collection of small amounts of sample liquid.

[0022] Specifically, such as Figure 1 and Figure 2As shown, the bottom of the operating box 21 is connected to a drain assembly 5. The drain assembly 5 includes a drain pipe 51, a first pipe valve 52, and a mounting clamp 53; one end of the drain pipe 51 is connected to the bottom of the operating box 21; the other end of the drain pipe 51 is sleeved on the outer wall of the feed pipe through the mounting clamp 53; the drain pipe 51 is connected to the feed pipe; the first pipe valve 52 is located between the drain pipe 51 and the mounting clamp 53.

[0023] In this embodiment, the mounting clamp 53 is a clamp sleeve to facilitate the disassembly and assembly of the drain pipe 51. The residual styrene liquid after sampling is fed into the feed pipe of the storage tank through the drain pipe 51. It is then fed back into the storage tank along with the newly fed styrene liquid through the feed pipe. The volatile styrene is then extracted through the vacuum assembly 3. In addition, the first pipe valve 52 can be a ball valve or other pipe valves.

[0024] Specifically, such as Figure 1 As shown, the operating box 21 is equipped with a shelf 6; by setting the shelf 6, multiple receiving containers can be temporarily placed, and a groove with holes is further provided to limit the position of the receiving containers and prevent them from tipping over.

[0025] Specifically, such as Figure 1 and Figure 2 As shown, a flow meter 7 and a second pipe valve 8 are provided at one end of the inlet pipe 1 that extends out of the operating box 21.

[0026] In this embodiment, the flow meter 7 facilitates the observation of the flow rate of styrene inside the inlet pipe 1 when liquid is introduced, thereby facilitating the adjustment of the opening of the second pipe valve 8 and avoiding excessively fast or forceful liquid introduction. The second pipe valve 8 is a ball valve or other pipe valves commonly used in the art.

[0027] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A styrene storage tank sampling device, comprising an inlet pipe (1), characterized in that: It also includes a sampling component (2) and an air extraction component (3); the sampling component (2) includes an operating box (21) and an open box (22); the open box (22) is located inside the top of the operating box (21); the top of the open box (22) is provided with an evaporation port; the air extraction component (3) passes through the top of the operating box (21) and extends to the evaporation port; the liquid inlet pipe (1) passes through the side of the operating box (21) and communicates with the open box (22).

2. The styrene storage tank sampling device according to claim 1, characterized in that: The bottom wall of the open box (22) is arc-shaped; the bottom of the open box (22) is connected to the liquid outlet tube (4).

3. The styrene storage tank sampling device according to claim 1, characterized in that: The top of the open box (22) is provided with a flow guide section (221); the flow guide section (221) is inclined from high to low towards the end away from the liquid inlet pipe (1).

4. The styrene storage tank sampling device according to any one of claims 1 to 3, characterized in that: The bottom of the operating box (21) is connected to a drain assembly (5).

5. The styrene storage tank sampling device according to claim 4, characterized in that: The drain assembly (5) includes a drain pipe (51), a first pipe valve (52), and an installation clamp (53); one end of the drain pipe (51) is connected to the bottom of the operating box (21); the other end of the drain pipe (51) is sleeved on the outer wall of the feed pipe through the installation clamp (53); the drain pipe (51) is connected to the feed pipe; the first pipe valve (52) is located between the drain pipe (51) and the installation clamp (53).

6. The styrene storage tank sampling device according to any one of claims 1 to 3, characterized in that: The operating box (21) is equipped with a shelf (6).

7. The styrene storage tank sampling device according to any one of claims 1 to 3, characterized in that: The inlet pipe (1) is equipped with a flow meter (7) and a second pipe valve (8) at one end that extends out of the operating box (21).

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