CN212031236U - Laser particle size analysis device - Google Patents
Laser particle size analysis device Download PDFInfo
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- CN212031236U CN212031236U CN202020375481.5U CN202020375481U CN212031236U CN 212031236 U CN212031236 U CN 212031236U CN 202020375481 U CN202020375481 U CN 202020375481U CN 212031236 U CN212031236 U CN 212031236U
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- particle size
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- size analyzer
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Abstract
The utility model provides a laser particle size analyzer, which comprises a laser particle size analyzer and a circular sample feeding machine; the circulating sample feeder comprises a sample cup, a stirrer extending into the sample cup, a liquid inlet pipeline and a return pipeline; one end of the liquid inlet pipeline is connected with the sample cup, the other end of the liquid inlet pipeline is connected with an inlet of the laser particle size analyzer, and the liquid inlet pipeline is provided with a liquid conveying pump; the circulating sample feeder also comprises a spray head, a clear water conveying pipeline, a liquid discharge pipeline and a four-way reversing valve, wherein the spray head is arranged above the sample cup and sprays water downwards; one end of the return pipeline is connected with an outlet of the laser particle size analyzer, the other end of the return pipeline, the clean water conveying pipeline, the liquid discharge pipeline and the spray head are respectively connected with four connectors of the four-way reversing valve, and the clean water conveying pipeline is communicated with an external water supply system; the device can automatically clean waste liquid and clean pipelines, and is convenient to use.
Description
Technical Field
The utility model relates to an optical measurement instrument field especially relates to a laser particle size analysis device.
Background
The existing laser particle size analyzer comprises a laser particle size analyzer and a circulating sample feeder for conveying sample liquid to the laser particle size analyzer, wherein the circulating sample feeder usually comprises a sample cup, a stirrer, a liquid inlet pipeline and a return pipeline.
After a sample liquid is tested, the pipeline needs to be dismantled, and the waste liquid is poured and the pipeline, the sample cup and other parts are cleaned manually, which is very troublesome.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a laser particle size analyzer, which can automatically clean waste liquid and clean pipelines.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a laser particle size analysis device comprises a laser particle size analyzer and a circular sample feeder; the circulating sample feeder comprises a sample cup, a stirrer extending into the sample cup, a liquid inlet pipeline and a return pipeline; one end of the liquid inlet pipeline is connected with the sample cup, the other end of the liquid inlet pipeline is connected with an inlet of the laser particle size analyzer, and the liquid inlet pipeline is provided with a liquid conveying pump;
the circulating sample feeder also comprises a spray head, a clear water conveying pipeline, a liquid discharge pipeline and a four-way reversing valve, wherein the spray head is arranged above the sample cup and sprays water downwards; one end of the return pipeline is connected with an outlet of the laser particle size analyzer, the other end of the return pipeline, the clean water conveying pipeline, the liquid discharge pipeline and the spray head are respectively connected with four connectors of the four-way reversing valve, and the clean water conveying pipeline is communicated with an external water supply system.
In the laser particle size analysis device, a plurality of spray heads are uniformly arranged along the circumferential direction of the stirrer, and all the spray heads are communicated to the same connector of the four-way reversing valve through pipelines.
In the laser particle size analyzer, the lower end of the nozzle is directed to the stirring part of the stirrer in an inward inclined manner.
In the laser particle size analysis device, a pressure pump is arranged on the clear water conveying pipeline.
In the laser particle size analysis device, a filter is arranged on the clear water conveying pipeline.
In the laser particle size analysis device, a first electromagnetic valve is arranged on the clear water conveying pipeline.
In the laser particle size analysis device, a second electromagnetic valve is arranged on the liquid discharge pipeline.
In the laser particle size analysis device, the liquid discharge pipeline is communicated to a waste liquid collecting tank.
In the laser particle size analysis device, the cup bottom of the sample cup is funnel-shaped, and the liquid inlet pipeline is connected with the lowest part of the cup bottom.
Has the advantages that:
the utility model provides a pair of laser particle size analysis device, when carrying out sample test, four-way reversing valve intercommunication return line and shower nozzle, sample liquid is defeated from the feed liquor pipeline toward laser particle size analyzer, flow back shower nozzle department from the return line again and spout into the sample cup down and realize the circulation and supply appearance, the back is accomplished in the test, four-way reversing valve switching-over makes return line and fluid-discharge tube way intercommunication, clear water pipeline and shower nozzle intercommunication, carry out the water spray to wash the waste liquid after the fluid-discharge tube way is discharged, the sparge water is equally through the fluid-discharge tube way discharge, thereby realize sample cup and pipeline abluent self-cleaning.
Drawings
Fig. 1 is a schematic structural diagram of the laser particle size analyzer provided by the present invention.
Fig. 2 is a perspective view of the laser particle size analyzer provided by the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The following disclosure provides embodiments or examples for implementing different configurations of the present invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Referring to fig. 1 and 2, the present invention provides a laser particle size analyzer, which includes a laser particle size analyzer 1 and a circular sample feeder 2; the circulating sample feeder 2 comprises a sample cup 3, a stirrer 4 extending into the sample cup, a liquid inlet pipeline 5 and a return pipeline 6; one end of the liquid inlet pipeline 5 is connected with the sample cup 3, the other end of the liquid inlet pipeline is connected with an inlet of the laser particle size analyzer 1, and the liquid inlet pipeline is provided with a liquid conveying pump 7;
the circular sample feeder 2 also comprises a spray head 8 which is arranged above the sample cup 3 and sprays water downwards, a clear water conveying pipeline 9, a liquid discharge pipeline 10 and a four-way reversing valve 11; one end of the return pipeline 6 is connected with an outlet of the laser particle size analyzer 1, the other end of the return pipeline, the clean water conveying pipeline 9, the liquid discharge pipeline 10 and the spray head 8 are respectively connected with four connectors of the four-way reversing valve 11, and the clean water conveying pipeline 9 is communicated with an external water supply system (such as a tap water system).
When a sample is tested, the four-way reversing valve 11 is communicated with the return pipeline 6 and the spray head 8, under the driving of the infusion pump 7, sample liquid is conveyed to the laser particle size analyzer 1 from the liquid inlet pipeline 5, and then is returned to the spray head 8 from the return pipeline 6 and sprayed downwards into the sample cup 3 to realize circular sample supply; after the test is finished, the four-way reversing valve 11 is reversed to enable the return pipeline 6 to be communicated with the liquid discharge pipeline 10, the clear water conveying pipeline 9 is communicated with the spray head 8, waste liquid passes through the liquid inlet pipeline 5, the laser particle size analyzer 1 and the return pipeline 6 in sequence under the driving of the liquid delivery pump 7 and is finally discharged from the liquid discharge pipeline 10, then the clear water conveying pipeline 9 supplies water to carry out water spraying washing, and the washing water is discharged through the liquid discharge pipeline 10, so that the automatic cleaning of the sample cup and the pipeline is realized. The waste liquid is not required to be manually cleaned and the pipeline is not required to be cleaned, and the use is convenient. In addition, the stirrer 4 continuously works in the working process to uniformly disperse particles in the sample liquid, and in the circulating sample supply process, the sample liquid is sprayed out from the spray head 8 to further uniformly disperse the particles, so that the uniformity of the particles is greatly improved, the analysis precision is favorably improved, and in the cleaning process, clear water is sprayed out from the spray head 8 to impact the sample cup 3, so that the sample cup is more cleanly washed.
The laser particle size analyzer 1 is the prior art, and the structure thereof is not described in detail here; the stirrer 4 includes a rotating shaft, a stirring part (in this embodiment, the stirring part is a stirring blade) connected to a lower end of the rotating shaft, and a motor for driving the rotating shaft to rotate, as shown in fig. 1.
In some embodiments, the spray heads 8 are uniformly arranged in a plurality along the circumferential direction of the stirrer 4, and all the spray heads 8 are communicated to the same connecting port of the four-way reversing valve 11 through a pipeline. The arrangement of the plurality of spray heads can increase the coverage area of the sprayed water flow and improve the washing efficiency.
Preferably, the lower end of the spray head 8 is directed obliquely inwards towards the stirring part of the stirrer 4, see fig. 1. The sprayed water flow can directly wash the stirring part, and the cleanness of the stirring part is ensured.
Further, a pressure pump 12 is arranged on the clean water conveying pipeline 9. The water supply pressure of the clean water can be improved through the pressurizing pump, so that the spraying speed of the clean water is higher, and the washing efficiency is higher.
In some embodiments, a filter 13 is disposed on the clean water conveying pipeline 9 to filter impurities in the clean water and prevent the impurities from entering the internal pipeline.
Further, a first electromagnetic valve 14 is arranged on the clean water conveying pipeline 9. When water supply is not needed, the first electromagnetic valve 14 is closed, and the situation that clean water is continuously sent to the liquid discharge pipeline 10 due to the fact that the four-way reversing valve 11 is communicated with the clean water conveying pipeline 9 and the liquid discharge pipeline 10 in the testing process is avoided.
Further, the drain line 10 is provided with a second solenoid valve 15 to shut off the drain line 10 when drainage is not required.
In some embodiments, drain line 10 communicates to a waste collection tank 16. So as to collect and treat the waste liquid.
In some preferred embodiments, see fig. 1, the bottom of the sample cup 3 is funnel-shaped, and the liquid inlet pipe is connected to the lowest part of the bottom. So that the waste liquid and the washing water can be completely discharged without remaining during the washing process.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-mentioned preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and the embodiments are substantially the same as the present invention.
Claims (9)
1. A laser particle size analysis device comprises a laser particle size analyzer and a circular sample feeder; the circulating sample feeder comprises a sample cup, a stirrer extending into the sample cup, a liquid inlet pipeline and a return pipeline; one end of the liquid inlet pipeline is connected with the sample cup, the other end of the liquid inlet pipeline is connected with an inlet of the laser particle size analyzer, and the liquid inlet pipeline is provided with a liquid conveying pump; it is characterized in that the preparation method is characterized in that,
the circulating sample feeder also comprises a spray head, a clear water conveying pipeline, a liquid discharge pipeline and a four-way reversing valve, wherein the spray head is arranged above the sample cup and sprays water downwards; one end of the return pipeline is connected with an outlet of the laser particle size analyzer, the other end of the return pipeline, the clean water conveying pipeline, the liquid discharge pipeline and the spray head are respectively connected with four connectors of the four-way reversing valve, and the clean water conveying pipeline is communicated with an external water supply system.
2. The laser particle size analyzer as claimed in claim 1, wherein a plurality of nozzles are uniformly arranged along the circumference of the agitator, and all the nozzles are connected to the same connection port of the four-way selector valve through a pipeline.
3. The laser particle size analyzer of claim 2, wherein the lower end of the nozzle tip is directed obliquely inward toward the stirring portion of the stirrer.
4. The laser particle size analyzer of claim 1, wherein the clear water delivery line is provided with a pressure pump.
5. The laser particle size analyzer of claim 1, wherein a filter is disposed on the clean water delivery pipeline.
6. The laser particle size analyzer of claim 1, wherein the clear water delivery pipeline is provided with a first solenoid valve.
7. The laser particle size analyzer of claim 1, wherein a second solenoid valve is disposed on the drain line.
8. The laser particle size analyzer of claim 1, wherein the drainage line is connected to a waste collection tank.
9. The laser particle size analyzer of claim 1, wherein the bottom of the sample cup is funnel-shaped, and the liquid inlet pipe is connected to the lowest portion of the bottom of the sample cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020375481.5U CN212031236U (en) | 2020-03-23 | 2020-03-23 | Laser particle size analysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020375481.5U CN212031236U (en) | 2020-03-23 | 2020-03-23 | Laser particle size analysis device |
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| CN212031236U true CN212031236U (en) | 2020-11-27 |
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| CN202020375481.5U Active CN212031236U (en) | 2020-03-23 | 2020-03-23 | Laser particle size analysis device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115096765A (en) * | 2022-06-27 | 2022-09-23 | 重庆化工职业学院 | Online analyzer for particle size of raw material |
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2020
- 2020-03-23 CN CN202020375481.5U patent/CN212031236U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115096765A (en) * | 2022-06-27 | 2022-09-23 | 重庆化工职业学院 | Online analyzer for particle size of raw material |
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