CN220751697U - Safe sulfuric acid sampling device - Google Patents
Safe sulfuric acid sampling device Download PDFInfo
- Publication number
- CN220751697U CN220751697U CN202322274091.5U CN202322274091U CN220751697U CN 220751697 U CN220751697 U CN 220751697U CN 202322274091 U CN202322274091 U CN 202322274091U CN 220751697 U CN220751697 U CN 220751697U
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- China
- Prior art keywords
- sulfuric acid
- sampling
- outer barrel
- pipe
- overflow pipe
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 177
- 238000005070 sampling Methods 0.000 title claims abstract description 75
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000006477 desulfuration reaction Methods 0.000 abstract description 4
- 230000023556 desulfurization Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a safe sulfuric acid sampling device, which comprises an outer barrel, an overflow pipe, a sampling spoon and a sulfuric acid sampling pipe, wherein an upper cover is arranged at the top of the outer barrel, the upper cover is fixedly connected with the outer barrel through at least one bolt, a sulfuric acid inlet is arranged at the side part of the outer barrel, the sulfuric acid sampling pipe is fixedly connected with the sulfuric acid inlet, the top end of the overflow pipe extends into the outer barrel from the bottom of the outer barrel, and the bottom end of the overflow pipe is communicated with an emptying underground groove; the sampling spoon comprises a holding container and a handle, wherein the holding container is fixedly connected with the handle. The advantages are that: the structure is simple, sulfuric acid enters the outer cylinder through the sulfuric acid sampling pipe, temporary storage and pressure relief are realized in the outer cylinder, and then the sulfuric acid is led out through the overflow pipe, and at the moment, sampling is performed through the sampling spoon, so that the operation is safe and reliable, and the safety risk of sulfuric acid splashing caused by sulfuric acid sampling under pressure is eliminated; the sulfuric acid sampling operation is simple after the device is adopted, and reliable guarantee is provided for taking three-point sulfuric acid samples every shift of the desulfurization waste liquid acid preparation.
Description
Technical Field
The utility model belongs to the field of acid production from desulfurization waste liquid, and particularly relates to a safe sulfuric acid sampling device.
Background
In the process of producing concentrated sulfuric acid by using a desulfurization waste liquid acid production process, in order to better guide the acid production, the sulfuric acid at three points of a drying tower, a first absorption tower and a second absorption tower is required to be sampled every class, on one hand, the concentration of the sulfuric acid is tested by sampling, on the other hand, an online analyzer is corrected, and on the other hand, the color of the sulfuric acid is observed to judge whether the incineration is sufficient or not. If the sulfuric acid is not sampled in place, the sulfuric acid concentration fluctuates, so that the resistance of the absorption tower is increased; if the color difference of the sulfuric acid has impurities, insufficient incineration can cause ash deposition of an incinerator or a boiler, and when the two conditions are serious, the acid production can be stopped.
In the past, a sampling valve and a sampling tube are added on a sulfuric acid pump outlet, and a sampling bottle is aligned with a sampling port for each time to slowly open a valve belt pressure sample, so that the safety risk of sulfuric acid scalding exists due to the fact that the pump outlet pressure is large, the valve is improperly operated or the sampling bottle is improperly placed, and the sampling under pressure can cause sulfuric acid splashing.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a safe sulfuric acid sampling device, which eliminates the safety risk of sulfuric acid splash caused by sulfuric acid sampling under pressure, and ensures that the sulfuric acid sampling operation is simple, safe and reliable.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme:
the safe sulfuric acid sampling device comprises an outer barrel, an overflow pipe, a sampling spoon and a sulfuric acid sampling pipe, wherein an upper cover is arranged at the top of the outer barrel, the upper cover is fixedly connected with the outer barrel through at least one bolt, a sulfuric acid inlet is arranged on the side part of the outer barrel, the sulfuric acid sampling pipe is fixedly connected with the sulfuric acid inlet, the top end of the overflow pipe extends into the outer barrel from the bottom of the outer barrel, and the bottom end of the overflow pipe is communicated with an emptying underground groove; the sampling spoon comprises a holding container and a handle, wherein the holding container is fixedly connected with the handle.
The upper end surface of the overflow pipe is higher than the upper edge of the sulfuric acid inlet.
The upper cover is fixedly connected with a handle.
The outer cylinder and the sampling spoon are both made of stainless steel plates; the sulfuric acid sampling tube and the overflow tube are all made of stainless steel tubes.
The container is of a barrel-shaped structure.
The sulfuric acid sampling tube is connected with a valve.
The bottom end of the overflow pipe is communicated with the emptying underground tank through a sulfuric acid emptying pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. the safe sulfuric acid sampling device has a simple structure, sulfuric acid enters the outer barrel through the sulfuric acid sampling pipe, temporary storage and pressure relief are realized in the outer barrel, and then the sulfuric acid is led out through the overflow pipe, and at the moment, sampling is performed through the sampling spoon, so that the operation is safe and reliable, and the safety risk of sulfuric acid splashing caused by sulfuric acid sampling under pressure is eliminated; the sulfuric acid sampling operation is simple after the device is adopted, and reliable guarantee is provided for taking three-point sulfuric acid samples every shift of the desulfurization waste liquid acid preparation.
2. The safe sulfuric acid sampling device has the advantages of simple structure, easy manufacture, low manufacturing cost and convenient field transformation.
3. The upper end face of the overflow pipe is higher than the upper edge of the sulfuric acid inlet, and sulfuric acid in the outer barrel has a certain depth, so that the sulfuric acid is not influenced by pressure change after entering the outer barrel, the sulfuric acid entering the outer barrel flows under the liquid level, the splashing phenomenon can not occur, and the safety sampling of the sulfuric acid is not influenced.
4. The sampling spoon is provided with the handle, so that the distance between an operator and sulfuric acid is increased in the sampling process, and the sampling is safer and more reliable.
Drawings
Fig. 1 is a schematic structural view of an original sulfuric acid sampling device.
Fig. 2 is a schematic structural view of the present utility model.
FIG. 3 is a schematic view of the structure of the sampling spoon,
Fig. 4 is a schematic diagram of the structure of the sampling state.
In the figure: 1-sulfuric acid pump 2-sampling valve 3-sampling tube 4-urceolus 5-overflow pipe 6-sampling spoon 7-sulfuric acid sampling tube 8-upper cover 9-sulfuric acid entry 10-splendid attire container 11-handle 12-handle 13-valve 14-sulfuric acid blow-down pipe 15-empty underground tank.
Description of the embodiments
The present utility model will be described in detail below with reference to the drawings of the specification, but it should be noted that the practice of the present utility model is not limited to the following embodiments.
Examples
Referring to fig. 2 and 3, a safe sulfuric acid sampling device comprises an outer barrel 4, an overflow pipe 5, a sampling spoon 6 and a sulfuric acid sampling pipe 7, wherein an upper cover 8 is arranged at the top of the outer barrel 4 and used for sealing the outer barrel 4, the upper cover 8 is fixedly connected with the outer barrel 4 through at least one bolt, a sulfuric acid inlet 9 is arranged at the side part of the outer barrel 4, the sulfuric acid sampling pipe 7 is fixedly connected with the sulfuric acid inlet 9, the top end of the overflow pipe 5 extends into the outer barrel 4 from the bottom of the outer barrel 4, and the bottom end of the overflow pipe 5 is communicated with an emptying underground tank 15; the sampling spoon 6 comprises a container 10 and a handle 11, wherein the container 10 is fixedly connected with the handle 11, and the container 10 is of a barrel-shaped structure. The handle 11 can be made of stainless steel strips with hooks at the ends, and is convenient to hold. The sulfuric acid sampling tube 7 is connected with a valve 13.
The outer cylinder 4 and the sampling spoon 6 are both made of stainless steel plates; the sulfuric acid sampling tube 7 and the overflow tube 5 are both made of stainless steel tubes, and 304 stainless steel can be selected to prevent sulfuric acid from corroding the device.
Examples
On the basis of embodiment 1, the upper end face of the overflow pipe 5 is higher than the upper edge of the sulfuric acid inlet 9, sulfuric acid is conveyed into the outer barrel 4 by the sulfuric acid sampling pipe 7, and the sulfuric acid in the outer barrel 4 has a certain depth, so that the sulfuric acid is not influenced by pressure change after entering the outer barrel 4, the sulfuric acid entering the outer barrel 4 flows under the liquid level, no splashing phenomenon occurs, and the safety sampling of the sulfuric acid is not influenced. The upper cover 8 is fixedly connected with a handle 12, which is convenient for moving the upper cover 8. The bottom end of the overflow pipe 5 is communicated with an emptying underground tank 15 through a sulfuric acid emptying pipe 14.
In actual installation, a branch pipe is directly taken at an on-line concentration automatic monitoring instrument to be used as a sulfuric acid sampling pipe 7, a valve 13 is added on the branch pipe to be connected to a sulfuric acid inlet 9 of the outer barrel 4.
During sampling, the opening of the valve 13 is regulated, the valve 13 is opened to a state that a small amount of overflow exists at the top end of the overflow pipe 5, the valve 13 is kept unchanged, and overflowed sulfuric acid directly enters the emptying underground tank 15 through the sulfuric acid emptying pipe 14; the bolt of the upper cover 8 is loosened, a bolt can be reserved, the upper cover 8 is rotated around the bolt, and the sampling spoon 6 is used for scooping out the current sample in the outer cylinder 4, so that the accuracy of the sample is ensured. The upper cover 8 is rotated, the fished sulfuric acid sample is slowly poured into the sampling bottle, and the sampling process is simple and safe. The mounting bolts then close the upper cover 8, preventing entry of impurities.
Claims (7)
1. The safe sulfuric acid sampling device is characterized by comprising an outer barrel, an overflow pipe, a sampling spoon and a sulfuric acid sampling pipe, wherein an upper cover is arranged at the top of the outer barrel, the upper cover is fixedly connected with the outer barrel through at least one bolt, a sulfuric acid inlet is arranged on the side part of the outer barrel, the sulfuric acid sampling pipe is fixedly connected with the sulfuric acid inlet, the top end of the overflow pipe extends into the outer barrel from the bottom of the outer barrel, and the bottom end of the overflow pipe is communicated with an emptying underground groove; the sampling spoon comprises a holding container and a handle, wherein the holding container is fixedly connected with the handle.
2. A safety sulfuric acid sampling device according to claim 1, wherein the upper end surface of the overflow pipe is higher than the upper edge of the sulfuric acid inlet.
3. The device of claim 1, wherein the upper cover is fixedly connected to the handle.
4. The safe sulfuric acid sampling device according to claim 1, wherein the outer cylinder and the sampling spoon are made of stainless steel plates; the sulfuric acid sampling tube and the overflow tube are all made of stainless steel tubes.
5. A safety sulfuric acid sampling device according to claim 1, wherein said holding container is of barrel configuration.
6. The device of claim 1, wherein the sulfuric acid sampling tube is connected with a valve.
7. The device of claim 1, wherein the bottom end of the overflow pipe is connected to the emptying tank via a sulfuric acid emptying pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322274091.5U CN220751697U (en) | 2023-08-23 | 2023-08-23 | Safe sulfuric acid sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322274091.5U CN220751697U (en) | 2023-08-23 | 2023-08-23 | Safe sulfuric acid sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220751697U true CN220751697U (en) | 2024-04-09 |
Family
ID=90558840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322274091.5U Active CN220751697U (en) | 2023-08-23 | 2023-08-23 | Safe sulfuric acid sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220751697U (en) |
-
2023
- 2023-08-23 CN CN202322274091.5U patent/CN220751697U/en active Active
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