CN214952409U - Automatic accurate quantitative sampling device suitable for contain solid liquid - Google Patents
Automatic accurate quantitative sampling device suitable for contain solid liquid Download PDFInfo
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- CN214952409U CN214952409U CN202121384046.XU CN202121384046U CN214952409U CN 214952409 U CN214952409 U CN 214952409U CN 202121384046 U CN202121384046 U CN 202121384046U CN 214952409 U CN214952409 U CN 214952409U
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Abstract
The utility model discloses an automatic accurate quantitative sampling device suitable for solid-containing liquid, which comprises a liquid extraction pipe, a liquid extraction peristaltic pump, a liquid discharge pipe, a liquid sampling chamber and an electronic balance; the end part of the liquid extraction pipe is inserted into the liquid sampling chamber, and a liquid extraction peristaltic pump is arranged on the liquid extraction pipe; the end of the liquid discharge pipe is inserted into the liquid sampling chamber, the liquid discharge peristaltic pump is arranged on the liquid discharge pipe, the liquid sampling chamber is positioned on the electronic balance, and the device is high in stability and can be stably used for a long time.
Description
Technical Field
The utility model belongs to the technical field of sampling device, a automatic accurate quantitative sampling device suitable for contain solid liquid is related to.
Background
Some industrial processes involve the determination of technical indicators in the solids-containing liquid, such as the measurement of sulfite concentration in the wet-desulfurization slurry, and require quantitative sampling in the determination, with the values determined for the sample replacing the technical indicators in the production process.
At present, the content of sulfite in the wet desulphurization slurry at home and abroad is determined by periodically sampling from the slurry of the absorption tower and then analyzing and testing in a laboratory. Because the laboratory analysis and test work has certain hysteresis effect, and the sulfite is extremely unstable, and is easy to change after meeting air, the test deviation is caused. If the content of sulfite in the slurry needs to be accurately measured in real time, the slurry needs to be automatically and accurately sampled quantitatively.
The traditional automatic accurate quantitative liquid sampling adopts an industrial injection pump or an electromagnetic valve and a photoelectric sensor, but the solid content in slurry is large, so that the abrasion to the industrial injection pump, the electromagnetic valve and the like is large, the stability of equipment is poor, and the equipment cannot be stably used for a long time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide an automatic accurate ration sampling device suitable for contain solid liquid, the device's stability is higher, can use for a long time stably.
In order to achieve the above purpose, the automatic accurate quantitative sampling device for solid-containing liquid of the present invention comprises a liquid extraction tube, a liquid extraction peristaltic pump, a liquid discharge tube, a liquid sampling chamber and an electronic balance;
the end part of the liquid extraction pipe is inserted into the liquid sampling chamber, and a liquid extraction peristaltic pump is arranged on the liquid extraction pipe; the end of the liquid discharge pipe is inserted into the liquid sampling chamber, a liquid discharge peristaltic pump is arranged on the liquid discharge pipe, and the liquid sampling chamber is positioned on the electronic balance.
Still include liquid sampler support, liquid sampling chamber installs on liquid sampler support, and liquid sampler support is located electronic balance.
The device also comprises a liquid discharge pipe; the liquid discharge pipe is communicated with the bottom outlet of the liquid sampling chamber.
The liquid discharge pipe is provided with a liquid discharge pinch valve.
The flow rate of the liquid discharge peristaltic pump is greater than that of the liquid extraction peristaltic pump.
The outer wall of the liquid sampling chamber is provided with scale marks.
The depth of insertion of the liquid extraction tube into the liquid sampling chamber is greater than the depth of insertion of the liquid discharge tube into the liquid sampling chamber.
And when sampling, simultaneously starting the liquid extraction peristaltic pump and the liquid discharge peristaltic pump, and after sampling is finished, firstly closing the liquid extraction peristaltic pump and then closing the liquid discharge peristaltic pump.
The utility model discloses following beneficial effect has:
accurate quantitative sampling device in automation suitable for contain solid liquid when concrete operation, adopt liquid extraction peristaltic pump and liquid discharge peristaltic pump to carry out the extraction and the discharge of liquid, wherein, the peristaltic pump is insensitive to containing solid fluid, and the pipe diameter of peristaltic pump is great to avoid blockking up the problem of wearing and tearing, in addition, the peristaltic pump is changed simple and conveniently, the periodic replacement pump line, in order to guarantee the long-term reliable operation of equipment, simultaneously when the in-service use, insert the degree of depth in the liquid sample room through adjusting the liquid discharge pipe, in order to control the sample volume, high durability and convenient operation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a liquid extraction pipe, 2 is a liquid extraction peristaltic pump, 3 is a liquid discharge peristaltic pump, 4 is a liquid discharge pipe, 5 is a liquid sampling chamber, 6 is a liquid discharge pinch valve, 7 is a liquid discharge pipe, 8 is a liquid sampler bracket, and 9 is an electronic balance.
Detailed Description
In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments, and do not limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
A schematic structural diagram according to an embodiment of the present disclosure is shown in the drawings. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Referring to fig. 1, the automatic accurate quantitative sampling device for solid-containing liquid according to the present invention includes a liquid extraction tube 1, a liquid extraction peristaltic pump 2, a liquid discharge peristaltic pump 3, a liquid discharge tube 4, a liquid sampling chamber 5, a liquid discharge pinch valve 6, a liquid discharge tube 7, a liquid sampler support 8, and an electronic balance 9;
the end part of the liquid extraction pipe 1 is inserted into the liquid sampling chamber 5, and the liquid extraction peristaltic pump 2 is arranged on the liquid extraction pipe 1; the end of the liquid discharge pipe 4 is inserted into the liquid sampling chamber 5, and the liquid discharge pipe 4 is provided with a liquid discharge peristaltic pump 3; the liquid discharge pipe 7 is communicated with an outlet at the bottom of the liquid sampling chamber 5, the liquid discharge pipe 7 is provided with a liquid discharge pinch valve 6, the liquid sampling chamber 5 is arranged on a liquid sampler support 8, and the liquid sampler support 8 is positioned on an electronic balance 9.
The utility model discloses rely on adjustment liquid extraction tube 1 and liquid discharge pipe 4 to stretch into the degree of depth in liquid sampling chamber 5 on the volume ration of liquid and realize, avoid electronic equipment to contain trouble and the error that solid liquid easily produced handling, through demarcating the back, can guarantee accurate volume sample.
When the peristaltic pump is selected and parameters are set, the flow of the liquid discharged from the peristaltic pump 3 needs to be ensured to be larger than the flow of the liquid extracted from the peristaltic pump 2. During sampling, the liquid extraction peristaltic pump 2 and the liquid discharge peristaltic pump 3 are simultaneously started, after sampling is finished, the liquid extraction peristaltic pump 2 is firstly closed, then the liquid discharge peristaltic pump 3 is closed, and the extraction time is calculated according to the volume of liquid to be extracted and the flow of the liquid extraction peristaltic pump 2.
The utility model discloses adopt the peristaltic pump when taking a sample, its reason lies in, the peristaltic pump pipe is insensitive to containing solid fluid, and the pipe diameter of peristaltic pump is great, avoids blockking up the problem of wearing and tearing, and in addition, the peristaltic pump pipe is changed simple and conveniently, and the pump pipe is changed regularly to guarantee the long-term reliable operation of equipment, the weight difference that electronic balance 9 was got to the while is according to the sample around calculates the quality of liquid in the liquid sampling chamber.
The utility model discloses a concrete use does:
and (3) completely discharging the original liquid in the liquid sampling chamber 5, closing the liquid discharge pinch valve 6, simultaneously opening the liquid extraction peristaltic pump 2 and the liquid discharge peristaltic pump 3, closing the liquid extraction peristaltic pump 2 after the set time is reached, closing the liquid discharge peristaltic pump 3 after the liquid discharge peristaltic pump 3 cannot extract the liquid, weighing the mass of the system before and after sampling, and calculating the mass of the sampled liquid.
In practical application, the outer wall of the liquid sampling chamber 5 is provided with scale marks, and the depth of the end part of the liquid discharge pipe 4 inserted into the liquid sampling chamber 5 is adjusted according to the sampling volume, so that the end part of the liquid discharge pipe 4 is flush with the scale marks on the outer wall of the liquid sampling chamber 5 corresponding to the volume to be sampled.
Claims (8)
1. An automatic accurate quantitative sampling device suitable for solid-containing liquid is characterized by comprising a liquid extraction pipe (1), a liquid extraction peristaltic pump (2), a liquid discharge peristaltic pump (3), a liquid discharge pipe (4), a liquid sampling chamber (5) and an electronic balance (9);
the end part of the liquid extraction pipe (1) is inserted into the liquid sampling chamber (5), and the liquid extraction peristaltic pump (2) is arranged on the liquid extraction pipe (1); the end of the liquid discharge pipe (4) is inserted into the liquid sampling chamber (5), the liquid discharge peristaltic pump (3) is arranged on the liquid discharge pipe (4), and the liquid sampling chamber (5) is positioned on the electronic balance (9).
2. The device for automatic and accurate quantitative sampling of solid-containing liquids according to claim 1, further comprising a liquid sampler holder (8), wherein the liquid sampling chamber (5) is mounted on the liquid sampler holder (8), and the liquid sampler holder (8) is located on an electronic balance (9).
3. The device for automatic and accurate quantitative sampling of solid-containing liquid according to claim 1, further comprising a drain (7); the liquid discharge pipe (7) is communicated with the bottom outlet of the liquid sampling chamber (5).
4. The automatic precise quantitative sampling device for solid-containing liquid according to claim 3, characterized in that the liquid discharge pipe (7) is provided with a liquid discharge pinch valve (6).
5. The automatic precise quantitative sampling device for solid-containing liquid according to claim 1, characterized in that the liquid discharge peristaltic pump (3) has a flow rate greater than that of the liquid extraction peristaltic pump (2).
6. The automatic precise quantitative sampling device for solid-containing liquid according to claim 1, wherein the outer wall of the liquid sampling chamber (5) is provided with scale marks.
7. The automatic precise quantitative sampling device for solid-containing liquid according to claim 1, wherein the depth of the liquid extraction tube (1) inserted into the liquid sampling chamber (5) is greater than the depth of the liquid discharge tube (4) inserted into the liquid sampling chamber (5).
8. The automatic accurate quantitative sampling device for solid-containing liquid according to claim 1, wherein the peristaltic pump for liquid extraction (2) and the peristaltic pump for liquid discharge (3) are simultaneously turned on during sampling, and after sampling is finished, the peristaltic pump for liquid extraction (2) is turned off, and then the peristaltic pump for liquid discharge (3) is turned off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121384046.XU CN214952409U (en) | 2021-06-21 | 2021-06-21 | Automatic accurate quantitative sampling device suitable for contain solid liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121384046.XU CN214952409U (en) | 2021-06-21 | 2021-06-21 | Automatic accurate quantitative sampling device suitable for contain solid liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214952409U true CN214952409U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121384046.XU Active CN214952409U (en) | 2021-06-21 | 2021-06-21 | Automatic accurate quantitative sampling device suitable for contain solid liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214952409U (en) |
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2021
- 2021-06-21 CN CN202121384046.XU patent/CN214952409U/en active Active
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