CN219038518U

CN219038518U - Closed quantitative sampling equipment

Info

Publication number: CN219038518U
Application number: CN202223540378.XU
Authority: CN
Inventors: 杜明镜; 周陈锋; 颜林江; 廖守亚; 雷兴洋; 蔡鹭
Original assignee: Jiangsu Jiuyang Biological Pharmaceutical Co ltd
Current assignee: Jiangsu Jiuyang Biological Pharmaceutical Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-16
Anticipated expiration: 2032-12-29

Abstract

The closed quantitative sampling equipment belongs to the technical field of feed liquid sampling and comprises a sampling device, a metering assembly and a sampling pipeline, wherein the sampling pipeline comprises a sampling input end, a sampling output end and a sampling extraction end, and the sampling output end is connected with the sampling device; the metering assembly comprises a thrust rod, a quantitative piston and a quantitative cylinder, wherein the thrust rod is connected with the quantitative piston, the quantitative piston is connected with the quantitative cylinder, and the quantitative cylinder is connected with a sampling end. This application is through the feed liquid in the direct extraction retort of metering component, need not to operate at the retort sample connection, avoids the injury of harmful volatile matter to the operating personnel health in the retort.

Description

Closed quantitative sampling equipment

Technical Field

The utility model belongs to the technical field of feed liquid sampling, and particularly relates to airtight quantitative sampling equipment.

Background

At present, most industries such as chemical industry, medicine and the like need to sample and analyze a reaction solution in a reaction process so as to accurately judge a reaction state. In the past, open sampling is adopted in the reaction tank, and the main mode is open keg sampling or liquid outlet barreled sampling and the like. In the open sampling process, a sampling bottle is generally hung into the reaction tank for sampling through a sampling rope, but when the operation is performed, a worker is required to operate at a sampling port of the reaction tank, and if the tank contains volatile matters harmful to human bodies, the volatile matters are easy to damage the bodies of the operators.

There is a need to develop a closed quantitative sampling device to solve the problems of the prior art.

Disclosure of Invention

The utility model aims to provide airtight quantitative sampling equipment so as to solve the technical problem that harmful volatile matters in a reaction tank are easy to cause harm to the body of an operator when the operator samples at a sampling port of the reaction tank.

In order to solve the technical problems, the specific technical scheme of the utility model is as follows:

the closed quantitative sampling equipment comprises a sampling device, a metering assembly and a sampling pipeline, wherein the sampling pipeline comprises a sampling input end, a sampling output end and a sampling extraction end, and the sampling output end is connected with the sampling device; the metering assembly comprises a thrust rod, a quantitative piston and a quantitative cylinder, wherein the thrust rod is connected with the quantitative piston, the quantitative piston is connected with the quantitative cylinder, and the quantitative cylinder is connected with the sampling end in a sealing manner.

Further, the sampling input end and the sampling output end are both provided with sampling valves.

Further, the dosing cylinder is connected with a first exhaust pipeline.

Further, the first exhaust pipeline is connected with the quantitative cylinder through a sampling pipeline, and the first exhaust pipeline is arranged between the two sampling valves.

Further, the metering assembly further comprises a driving motor, and the driving motor is in transmission connection with the thrust rod.

Further, sampling device includes sample bottle and bottle plug, the sample bottle with bottle plug sealing connection, the bottle plug with sample pipeline and exhaust pipeline are two connected.

Further, the bottle rubber plug is connected with the sampling output end, and the sampling output end is also connected with a sampling needle.

Further, the reaction tank is further included, and the sampling input end is connected with the reaction tank in a sealing mode. The airtight connection can prevent water vapor in the air from entering the tank body and damage the anhydrous environment in the tank; can also avoid the harmful substances in the tank and some materials with pungent odor from being emitted into the air, thereby affecting the environment and causing huge environmental protection pressure for production.

Further, the sampling input end is provided with a plurality of sampling holes, and the sampling holes are arranged at the same or different heights of the sampling input end. Sampling holes with different heights can enable sampling to be more uniform, actual conditions can be accurately reflected, and production progress is prevented from being misled.

Further, the reaction tank is further connected with a nitrogen component, the nitrogen component comprises a nitrogen pipeline, and a nitrogen valve is arranged on the nitrogen pipeline.

The utility model has the following advantages: according to the utility model, the quantitative cylinder is in a vacuum state by pulling the thrust rod to move down the quantitative piston, so that the feed liquid flows into the quantitative cylinder from the reaction tank due to pressure difference, so that a worker can directly extract the liquid in the reaction tank through the metering assembly, the operation at a sampling port of the reaction tank is not needed, and the harm of harmful volatile matters in the reaction tank to the body of the operator is avoided.

Other features and advantages of the present utility model will be disclosed in the following detailed description of the utility model and the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

the figure indicates: 11. sampling bottle; 12. bottle rubber plug; 13. an exhaust pipeline II; 21. a quantitative cylinder; 22. a dosing piston; 23. a thrust rod; 24. a driving motor; 31. a sampling input; 32. a sampling output end; 33. a sampling extraction end; 34. an exhaust pipeline I; 41. a reaction tank; 42. and (5) a nitrogen component.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The closed powder material charging equipment comprises a sampling device, a metering assembly and a sampling pipeline, wherein the sampling pipeline comprises a sampling input end 31, a sampling output end 32 and a sampling extraction end 33, the sampling extraction end 33 is communicated with the sampling input end 31, and the sampling extraction end 33 is communicated with the sampling output end 32.

The sampling input end 31 is used for extracting feed liquid from the reaction tank, the sampling output end 32 is connected with the sampling device, the sampling extraction end 33 is connected with the metering assembly, the metering assembly comprises a thrust rod 23, a quantitative piston 22 and a quantitative cylinder 21, the thrust rod 23 is connected with the quantitative piston 22, the quantitative piston 22 is connected with the quantitative cylinder 21, and the quantitative cylinder 21 is connected with the sampling extraction end 33.

Optionally, the sampling pipeline be stainless steel material, the pipe diameter is less than 1cm, can effectively reduce the loss of material.

The metering assembly further comprises a driving motor 24, the driving motor 24 is in transmission connection with the thrust rod 23, and the driving motor 24 can provide power for the metering assembly. The quantifying cylinder 21 may be made of glass, and the cylinder wall is carved with metering graduation marks, so that the volume of the feed liquid in the quantifying cylinder 21 can be accurately read through the graduation marks.

The driving motor 24 is matched with the thrust rod 23, the driving motor 24 is in transmission connection with the thrust rod 23 through a motor gear, threads on the thrust rod 23 are meshed with the motor gear, and the thrust rod 23 can be moved up and down through rotation of the driving motor 24.

The quantitative cylinder 21 is in airtight connection with the sampling device through a sampling pipeline, the quantitative cylinder 21 is also in airtight connection with the reaction tank through a sampling pipeline, and sampling valves are arranged on the sampling input end 31 and the sampling output end 32.

Optionally, the first exhaust pipe 34 is connected to the dosing cylinder 21, and the first exhaust pipe 34 is disposed at an upper end of the dosing cylinder 21, and preferably, the first exhaust pipe 34 is connected to the dosing cylinder 21 through a sampling pipe. Optionally, the first exhaust pipe 34 is connected to a sampling pipe between two sampling valves, and the first exhaust pipe 34 is disposed at the sampling output end 32 or the sampling input end 31, so as to facilitate exhaust.

The sampling device comprises a sampling bottle 11 and a bottle rubber plug 12, and the sampling bottle 11 is in airtight connection with the bottle rubber plug 12. The bottle rubber plug 12 is connected with a sampling output end 32 of the sampling pipeline and a second exhaust pipeline 13, the bottle rubber plug 12 is connected with the sampling output end 32, and a sampling needle is further connected to the sampling output end 32 and is preferably arranged in the sampling bottle 11. Preferably, the bottom surface of the sampling needle is higher than the bottom surface of the sampling output 32. The sampling bottle 11 is preferably a transparent glass sampling bottle 11, the bottle rubber plug 12 is preferably a rubber bottle plug, and the sampling bottle is disposable, so that pollution or cross pollution in the sampling process is avoided.

Still include the retort, sample input 31 and retort airtight connection of sample pipeline, be provided with the sample hole on the sample input 31 of sample pipeline, preferably, the sample hole sets up the end at sample input 31, in the retort feed liquid of being convenient for is taken out in the quantitative section of thick bamboo 21, sample input 31 is in depth in the retort.

The reaction tank is further connected with a nitrogen component 42, the nitrogen component 42 comprises a nitrogen pipeline, the nitrogen pipeline is connected with the upper end of the reaction tank, and a nitrogen valve is arranged on the nitrogen pipeline. After sampling, the reaction tank can be recovered to normal pressure by supplementing nitrogen through a nitrogen pipeline.

When the sampling of the material is to be performed, the sampling bottle 11 is hermetically connected with the bottle rubber plug 12, and the air discharging needle and the sampling needle are inserted into the rubber plug. The sampling valve of the sampling input end 31 is opened, the driving motor 24 drives the thrust rod 23 and the quantitative piston 22 to move downwards, the quantitative cylinder 21 is in a vacuum state, and the feed liquid flows into the quantitative cylinder 21 from the reaction tank through the sampling hole due to pressure difference, so that the feed liquid amount in the quantitative cylinder 21 is observed. After the sampling amount is met, the sampling valve is closed, the exhaust valve on the first exhaust pipeline 34 is opened, the driving motor 24 drives the thrust rod 23 and the quantitative piston 22 to move upwards, and redundant air and feed liquid in the quantitative cylinder 21 are discharged through the exhaust pipeline. When the quantitative sampling amount is reached, the exhaust valve on the first exhaust pipeline 34 is closed, the sampling valve of the sampling output end 32 and the exhaust valve on the second exhaust pipeline 13 are opened, and the feed liquid flows into the transparent glass sampling bottle 11. After the sampling is completed, the exhaust needle and the sampling needle are pulled out of the bottle rubber plug 12. The sampling bottle 11 is sent to detection, a nitrogen valve is opened, and the nitrogen valve is closed after the reaction tank returns to normal pressure, so that the sampling process is completed.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The closed quantitative sampling equipment is characterized by comprising a sampling device, a metering assembly and a sampling pipeline, wherein the sampling pipeline comprises a sampling input end, a sampling output end and a sampling extraction end, and the sampling output end is connected with the sampling device; the metering assembly comprises a thrust rod, a quantitative piston and a quantitative cylinder, wherein the thrust rod is connected with the quantitative piston, the quantitative piston is connected with the quantitative cylinder, and the quantitative cylinder is connected with a sampling end.

2. The closed quantitative sampling device of claim 1, wherein sampling valves are provided on both the sampling input and the sampling output.

3. The closed quantitative sampling device according to claim 2, wherein the quantitative cartridge is connected with a first exhaust line.

4. A closed quantitative sampling device according to claim 3, wherein the first exhaust line is connected to the quantitative cartridge via a sampling line, and the first exhaust line is provided between the two sampling valves.

5. A closed quantitative sampling device according to claim 3 wherein the metering assembly further comprises a drive motor drivingly connected to the thrust rod.

6. A closed quantitative sampling device according to claim 3, wherein the sampling means comprises a sampling bottle and a bottle plug, the sampling bottle being in closed connection with the bottle plug, the bottle plug being connected with the sampling line and the exhaust line two.

7. The sealed quantitative sampling device according to claim 6, wherein the bottle rubber plug is connected with the sampling output end, and a sampling needle is further connected to the sampling output end.

8. The closed quantitative sampling device according to any one of claims 1 to 7, further comprising a reaction tank, wherein the sampling input is in closed connection with the reaction tank.

9. The closed quantitative sampling device of claim 8, wherein the sampling input is provided with a sampling aperture.

10. The closed quantitative sampling device according to claim 8, wherein the reaction tank is further connected with a nitrogen component, the nitrogen component comprises a nitrogen pipeline, and a nitrogen valve is arranged on the nitrogen pipeline.