Chemical online sampling device
By designing an online chemical sampling device that employs pure water rinsing and an overflow tank structure, the safety hazards and purity issues of existing equipment have been resolved, enabling safe and efficient sampling operations and ensuring sample purity and production quality.
Patent Information
- Application Number
- CN202520064784.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Existing online chemical sampling equipment has safety hazards, consumes a lot of physical labor, and leaves residues that affect sample purity, making it difficult to meet high purity requirements.
An online chemical sampling device was designed, comprising a sampling operation area, a sampling area, and a waste liquid collection area. It adopts a pure water rinsing and overflow tank structure to ensure the purity of the sample and avoid human contact with harmful chemicals.
It enables safe and efficient chemical sampling, reduces the risk of human contact, ensures sample purity, and improves production quality.
Smart Images
Figure CN223783948U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chemical sampling technical field, specifically, relate to an on-line sampling device for chemicals. BACKGROUND
[0002] In the chemical production process, sampling detection is a key link, it can obtain the component information of chemicals, helps the operator real-time monitoring chemical state, and adjusts production operation in time according to the need, to improve the quality of finished products.
[0003] At present, on-line sampling of chemicals mainly relies on manual use of sampling bottles, but many chemicals have toxicity, volatility or corrosivity, which leads to great safety hazards in manual operation, in addition, frequent sampling work also causes great consumption of physical strength of the operator.
[0004] In addition, with the improvement of the purity requirement of chemical sampling, the existing sampling equipment may leave residues after each sampling, which will affect the component analysis of the next sampling sample, thereby further affecting the production quality.
[0005] Therefore, it is urgent to develop safer, more efficient and accurate sampling equipment to meet the continuously improving industry standards and safety requirements. UTILITY MODEL CONTENTS
[0006] The utility model provides an on-line sampling device for chemicals, which can overcome some or some defects of the prior art.
[0007] According to the on-line sampling device for chemicals of the utility model, the device body is formed in the working cavity, the sampling operation area, the sampling area and the waste liquid collection area are sequentially arranged in the working cavity along the height direction from top to bottom, a plurality of sampling valve groups are arranged in the sampling operation area along the width direction, the first two-way valve and the second two-way valve are sequentially arranged in the sampling valve group along the height direction from top to bottom, the three-way pipeline is arranged between the first two-way valve and the second two-way valve, the three-way pipeline is connected with the first two-way valve and the second two-way valve, the three-way pipeline is further connected with the feed pipe, the feed valve is arranged at the feed pipe, the first two-way valve is provided with the overflow pipe in U shape away from the second two-way valve, one end of the overflow pipe is connected with the first two-way valve, the other end is connected with the cleaning overflow tank, the water supply pipe is arranged on the side wall of the cleaning overflow tank, the water supply pipe is used for inputting pure water, the third two-way valve is arranged at the water supply pipe, the first waste liquid collection pipeline is arranged on the side of the cleaning overflow tank away from the overflow pipe, the fourth two-way valve is arranged at the first waste liquid collection pipeline, the sampling bottle is arranged at the sampling area, the sampling tube is arranged in the sampling bottle, one end of the sampling tube is connected with the second two-way valve, and the other end extends to the bottom of the sampling bottle, the second waste liquid collection pipeline is arranged at the bottom of the waste liquid collection area, and the fifth two-way valve is connected with the second waste liquid collection pipeline.
[0008] As preferred, at least one first waste liquid collecting barrel is arranged at one side of the device body, and the first waste liquid collecting barrel is connected with the fourth two-way valve.
[0009] As preferred, a mesh plate is arranged below the sampling bottle and communicates with a waste liquid collecting area, the bottom of the waste liquid collecting area is funnel-shaped, the second waste liquid collecting pipeline is arranged at the lowest position of the waste liquid collecting area, a second waste liquid collecting barrel is arranged at one side of the device body, and the second waste liquid collecting barrel is connected with the fifth two-way valve.
[0010] As preferred, an exhaust pipeline is arranged at the side wall of the sampling area, and an exhaust valve is arranged at the exhaust pipeline and is arranged at a position higher than the top of the sampling area.
[0011] As preferred, leveling bolts are arranged at the corners of the bottom of the device body.
[0012] As preferred, a plurality of first operation doors corresponding to the sampling valve groups and a plurality of second operation doors corresponding to the sampling bottles are arranged at the side of the device body away from the water supply pipeline.
[0013] Beneficial effects:
[0014] The overflow tank and the sampling bottle are flushed by pure water, so that the residues of the last sampling or some external impurities can be preferably removed, and the purity of the sampling can be ensured.
[0015] Further, by arranging the overflow tank, the operation of overflowing the chemical and then sampling can be ensured, so that no other impurities such as pure water are mixed into the sample of the last sampling. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a front view schematic diagram of the chemical online sampling device;
[0017] Figure 2 It is a left view schematic diagram of the chemical online sampling device;
[0018] Figure 3 It is Figure 2 It is a A-A sectional view schematic diagram of the chemical online sampling device;
[0019] Figure 4 It is a back view schematic diagram of the chemical online sampling device;
[0020] Figure 5 It is a top view schematic diagram of the chemical online sampling device. DETAILED DESCRIPTION
[0021] In order to further understand the content of the present application, the present application is described in detail in combination with the embodiments. It should be understood that the embodiments are only used to explain the present application but not to limit the present application.
[0022] It is found that Figures 1-5The embodiment provides a chemical sampling device, which comprises a device body 1, a working cavity is formed in the device body 1, the working cavity is sequentially provided with a sampling operation area 201, a sampling area 202 and a waste liquid collecting area 203 from top to bottom along a height direction, the sampling operation area 201 is provided with a plurality of sampling valve groups along a width direction, each sampling valve group comprises a first two-way valve 301 and a second two-way valve 304 which are sequentially arranged from top to bottom along a height direction, a three-way pipeline 302 is arranged between the first two-way valve 301 and the second two-way valve 304, the three-way pipeline 302 is connected with the first two-way valve 301 and the second two-way valve 304, the three-way pipeline 302 is further connected with a feeding pipeline 303, the feeding pipeline 303 is provided with a feeding valve, the first two-way valve 301 is provided with a U-shaped overflow pipe 305 which is away from the second two-way valve 304, one end of the overflow pipe 305 is connected with the first two-way valve 301, and the other end of the overflow pipe 305 is connected with a cleaning overflow tank 101, a water supply pipeline 102 is arranged on a side wall of the cleaning overflow tank 101, the water supply pipeline 102 is used for inputting pure water, the water supply pipeline 102 is provided with a third two-way valve 103, a first waste liquid collecting pipeline 104 is arranged on a side of the cleaning overflow tank 101 which is away from the overflow pipe 305, the first waste liquid collecting pipeline 104 is provided with a fourth two-way valve 105, the sampling area 202 is provided with a sampling bottle 4, the sampling bottle 4 is provided with a sampling pipe, one end of the sampling pipe is connected with the second two-way valve 304, and the other end of the sampling pipe extends to a bottom of the sampling bottle 4, and the waste liquid collecting area 203 is provided with a second waste liquid collecting pipeline 601, and the second waste liquid collecting pipeline 601 is connected with a fifth two-way valve 602.
[0023] According to the scheme provided by the embodiment, the water supply pipeline 102 can input pure water, so that the cleaning overflow tank 101, the overflow pipe 305 and the sampling bottle 4 can be flushed, so that the purity of the environment of the sampling bottle 4 is ensured, and it can be understood that the liquid chemical suitable for the embodiment is insoluble with pure water, and the density of the liquid chemical is greater than the density of the pure water, so that when the liquid chemical is injected into the sampling bottle 4, the pure water in the sampling bottle 4 can be preferably discharged, so that the chemical sample is obtained.
[0024] The device body 1 is further provided with at least one first waste liquid collecting barrel 701 on one side, the first waste liquid collecting barrel 701 is connected with the fourth two-way valve 105, so that the pure water and other impurities in the cleaning overflow tank 101 can be collected into the first waste liquid collecting barrel 701 for collection.
[0025] Further, the sampling bottle 4 is provided below with a mesh plate 204 which is in communication with the waste liquid collecting area 203, the bottom of the waste liquid collecting area 203 is funnel-shaped, the second waste liquid collecting pipeline 601 is arranged at the lowest position of the waste liquid collecting area 203 in height, and the device body 1 is provided on one side with a second waste liquid collecting barrel 702 which is connected with the fifth two-way valve 602.
[0026] The mesh plate 204 under the sampling bottle 4 is used to flow the pure water or liquid chemical overflowing the sampling bottle 4 into the waste liquid collecting area 203. When the sampling is completed, the fifth two-way valve 602 is opened, and the waste liquid in the waste liquid collecting area 203 enters the fifth two-way valve 602.
[0027] In addition, the sampling area 202 is provided with an exhaust pipeline 801, and the exhaust pipeline 801 is provided with an exhaust valve 802. The height of the exhaust valve 802 is higher than the top of the sampling area 202. The exhaust valve 802 can exhaust the gas in the waste liquid collecting area 203, so as to prevent the pressure in the waste liquid collecting area 203 from being too high.
[0028] In the embodiment, the leveling bolts 106 are arranged at the corners of the bottom of the device body 1.
[0029] Further, the device body 1 is provided with a plurality of first operation doors 107 corresponding to the sampling valve groups and a second operation door 108 corresponding to the sampling bottle 4 on the side away from the water supply pipeline 102.
[0030] Working principle:
[0031] That is, when the liquid chemical is input into the sampling bottle 4, the overflow tank 101, the overflow pipe 305 and the sampling bottle 4 are filled with pure water at this time. At this time, the second two-way valve 304 is closed, and the feeding valve and the fourth two-way valve 105 are opened. When the pure water flows out of the cleaning overflow tank 101, the liquid chemical is sucked into the cleaning overflow tank 101 to replace the position of the original pure water, so as to discharge the pure water in the cleaning overflow tank 101. When the liquid chemical fills the cleaning overflow tank 101, the fourth two-way valve 105 is closed, and then the second two-way valve 304 is opened, so that the liquid chemical enters the sampling bottle 4 to replace the pure water in the sampling bottle 4, so as to preferably realize the online sampling of the liquid chemical without contacting the air.
[0032] The pure water between the first two-way valve 301 and the three-way valve is discharged by filling the cleaning overflow tank 101 with the liquid chemical, so as to ensure the purity of the liquid chemical input into the sampling bottle 4.
[0033] It is easy to understand that the person skilled in the art can combine, split, recombine and the like on the basis of one or more embodiments provided in the present application to obtain other embodiments, and these embodiments do not exceed the protection scope of the present application.
[0034] The above describes the utility model and its embodiments in a schematic manner, and the description is not restrictive, and the embodiments shown are only part of the embodiments of the utility model, and the actual structure is not limited thereto. Therefore, if a person of ordinary skill in the art is inspired thereby, without departing from the spirit of the utility model, similar structural modes and embodiments are designed without creativity, and all should belong to the protection scope of the utility model.
Claims
1. An on-line chemical sampling device, characterized by The device body is internally formed with a working cavity, which is sequentially provided with a sampling operation area, a sampling area and a waste liquid collecting area from top to bottom along the height direction. The sampling operation area is provided with a plurality of sampling valve groups along the width direction. Each sampling valve group is sequentially provided with a first two-way valve and a second two-way valve along the height direction from top to bottom. A three-way pipeline is arranged between the first two-way valve and the second two-way valve, and the three-way pipeline is connected with the first two-way valve and the second two-way valve. The three-way pipeline is further connected with a feeding pipeline, and the feeding pipeline is provided with a feeding valve. The first two-way valve is provided with a U-shaped overflow pipe away from the second two-way valve. One end of the overflow pipe is connected with the first two-way valve, and the other end of the overflow pipe is connected with a cleaning overflow tank. A water supply pipeline is arranged on the side wall of the cleaning overflow tank, and the water supply pipeline is used for inputting pure water. The water supply pipeline is provided with a third two-way valve. The cleaning overflow tank is provided with a first waste liquid collecting pipeline away from the overflow pipe. The first waste liquid collecting pipeline is provided with a fourth two-way valve. The sampling area is provided with a sampling bottle, and the sampling bottle is internally provided with a sampling pipe. One end of the sampling pipe is connected with the second two-way valve, and the other end of the sampling pipe extends to the bottom of the sampling bottle. The waste liquid collecting area is provided with a second waste liquid collecting pipeline at the bottom. The second waste liquid collecting pipeline is connected with a fifth two-way valve.
2. The on-line chemical sampling apparatus of claim 1, wherein At least one first waste liquid collecting barrel is arranged on one side of the device body, and the first waste liquid collecting barrel is connected with the fourth two-way valve.
3. The on-line chemical sampling apparatus of claim 1, wherein A mesh plate is arranged below the sampling bottle and communicates with the waste liquid collecting area. The bottom of the waste liquid collecting area is funnel-shaped. The second waste liquid collecting pipeline is arranged at the lowest position of the waste liquid collecting area. A second waste liquid collecting barrel is arranged on one side of the device body, and the second waste liquid collecting barrel is connected with the fifth two-way valve.
4. The on-line chemical sampling apparatus of claim 1, wherein An exhaust pipeline is arranged on the side wall of the sampling area, and the exhaust pipeline is provided with an exhaust valve. The exhaust valve is arranged at a position higher than the top of the sampling area.
5. The on-line chemical sampling apparatus of claim 1, wherein Leveling bolts are arranged at the corners of the bottom of the device body.
6. The on-line chemical sampling apparatus of claim 1, wherein A plurality of first operation doors corresponding to the sampling valve groups and a plurality of second operation doors corresponding to the sampling bottles are arranged on the side of the device body away from the water supply pipeline.