CN210293723U - Vacuum sampling device for chemical synthesis reaction - Google Patents
Vacuum sampling device for chemical synthesis reaction Download PDFInfo
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- CN210293723U CN210293723U CN201920752667.5U CN201920752667U CN210293723U CN 210293723 U CN210293723 U CN 210293723U CN 201920752667 U CN201920752667 U CN 201920752667U CN 210293723 U CN210293723 U CN 210293723U
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Abstract
The utility model relates to the technical field of chemical synthesis, in particular to a vacuum sampling device for chemical synthesis reaction, which comprises a vacuum tube and a sampling tube, wherein one end of the vacuum tube extends into the bottom of a reaction kettle, the other end of the vacuum tube is communicated with a vacuum pump, a sight glass is arranged on a tube body of the vacuum tube close to one end of the vacuum pump, a first valve is arranged on the tube body of the vacuum tube above the sight glass, and a second valve is arranged on the tube body of the vacuum tube below the sight glass; the sampling tube is provided with a third valve and is communicated with the vacuum tube body between the sight glass and the second valve; a receiving disc is arranged below the sampling tube, and a plurality of quantitative sampling bottles are arranged on the receiving disc. The device is convenient to operate during sampling, and materials can not be dripped and splashed during sampling, and can be accurately quantified.
Description
Technical Field
The utility model relates to a chemical synthesis technical field especially relates to a sampling device for chemical synthesis reaction.
Background
All need sample test in the chemical production process, the valve is opened on the cauldron to the reation kettle sample at present, hangs the sampling bottle with the rope, sends into the cauldron and takes out the sample. The sampling mode has many defects, (1) the operation is inconvenient; (2) materials can be dripped and splashed in the sampling process, people can be hurt by carelessness, peculiar smell can be emitted, and the influence on the surrounding environment is caused; (3) the material taken out cannot be accurately quantified.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: to prior art's not enough, provide a vacuum sampling device for chemical synthesis reaction, convenient operation when utilizing the device sample, the material can not appear dripping when taking a sample moreover and spatters, can also accurate ration.
In order to solve the technical problem, the technical scheme of the utility model is that:
a vacuum sampling device for chemical synthesis reaction comprises a vacuum tube and a sampling tube, wherein one end of the vacuum tube extends into the bottom of a reaction kettle, the other end of the vacuum tube is communicated with a vacuum pump, a sight glass is arranged on a tube body of the vacuum tube close to one end of the vacuum pump, a first valve is arranged on the tube body of the vacuum tube above the sight glass, and a second valve is arranged on the tube body of the vacuum tube below the sight glass; the sampling tube is provided with a third valve, and the sampling tube is communicated with a vacuum tube body between the sight glass and the second valve; a receiving disc is arranged below the sampling tube, and a plurality of quantitative sampling bottles are arranged on the receiving disc.
As an improved technical scheme, the vacuum sampling device further comprises a material return pipe, a fourth valve is arranged on the material return pipe, one end of the material return pipe is communicated with the discharge hole at the bottom of the material receiving disc, and the other end of the material return pipe is communicated with a vacuum pipe body below the second valve.
As an improved technical scheme, the material receiving disc comprises a disc body, a supporting plate is arranged on the material receiving disc, a plurality of grooves are formed in the supporting plate, and through holes are formed in the bottoms of the grooves.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
the vacuum sampling device for the chemical synthesis reaction comprises a vacuum tube and a sampling tube, wherein one end of the vacuum tube extends into the bottom of the reaction kettle, the other end of the vacuum tube is communicated with the vacuum pump, a sight glass is arranged on a tube body of the vacuum tube close to one end of the vacuum pump, a first valve is arranged on the tube body of the vacuum tube above the sight glass, and a second valve is arranged on the tube body of the vacuum tube below the sight glass; the sampling tube is provided with a third valve and is communicated with the vacuum tube body between the sight glass and the second valve; a receiving disc is arranged below the sampling tube, and a plurality of quantitative sampling bottles are arranged on the receiving disc. In the chemical synthesis reaction, when needs carry out the sample detection to the inside product of reation kettle, the staff opens the vacuum pump, the inside product that awaits measuring of reation kettle gets into the vacuum tube, observe through the sight glass and close first valve and second valve when the product that awaits measuring rises to the sight glass about half, open the bottle lid of sampling bottle, place the sampling bottle on the take-up (stock) pan, open the third valve, volume according to needs connects from the sampling pipe and gets the sample, the back is accomplished in the sample, open first valve, return remaining product that awaits measuring to the reaction kettle in, then close first valve. Through above-mentioned device, convenient operation during the sample can not appear the phenomenon that the sample that awaits measuring splashes and falls moreover, but also can the ration sample.
Because the vacuum sampling device also comprises a material return pipe, the material return pipe is provided with a fourth valve, one end of the material return pipe is communicated with the discharge hole at the bottom of the material receiving disc, and one end of the material return pipe is communicated with the vacuum pipe body below the second valve. The design of feed back pipe prevents when the sample that awaits measuring in the sample tube from dropping to the take-up (stock) dish when the damaged sample that awaits measuring of quantitative sampling bottle flows out or when taking a sample, can be convenient for through the feed back pipe that awaits measuring the sample returns to in the reation kettle.
Because the take-up pan includes the disk body, is equipped with the backup pad on the take-up pan, is equipped with a plurality of recesses in the backup pad, and the bottom of recess is equipped with the through-hole. When a plurality of bottles of samples to be tested need to be collected, a plurality of quantitative sampling bottles are directly arranged in the groove, the quantitative sampling bottles can be fixed by the design of the groove, and when redundant samples to be tested fall onto the material receiving disc, the samples to be tested can penetrate through the through holes to enter the material return pipe along the discharge hole in the bottom of the material receiving disc by the design of the through holes, and the samples return to the inside of the reaction kettle through the material return pipe.
Drawings
FIG. 1 is a schematic structural view of a vacuum sampling device for chemical synthesis reaction according to the present invention;
FIG. 2 is a schematic structural diagram of the take-up reel of FIG. 1;
the device comprises a vacuum tube 1, a first valve 10, a second valve 11, a sampling tube 2, a reaction kettle 3, a vacuum pump 4, a viewing mirror 5, a receiving tray 6, a supporting plate 60, a groove 601, a through hole 6010, a quantitative sampling bottle 7, a material return tube 8 and a fourth valve 80.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A vacuum sampling device for chemical synthesis reaction is shown in figure 1 and comprises a vacuum tube 1, a sampling tube 2 and a material return tube 8, wherein one end of the vacuum tube 1 extends into the bottom of a reaction kettle 3, the other end of the vacuum tube 1 is communicated with a vacuum pump 4, a sight glass 5 is arranged on a tube body of the vacuum tube 1 close to one end of the vacuum pump 4, a first valve 10 is arranged on the tube body of the vacuum tube above the sight glass 5, and a second valve 11 is arranged on the tube body of the vacuum tube below the sight glass 5; the sampling tube 2 is provided with a third valve 20, and the sampling tube 2 is communicated with the vacuum tube body between the sight glass 5 and the second valve 11; a receiving disc 6 is arranged below the sampling tube 2 (a discharge port at the bottom of the receiving disc is connected with a material return tube through a flange), and a plurality of quantitative sampling bottles 7 are arranged on the receiving disc 6; a fourth valve 80 is arranged on the material return pipe 8, one end of the material return pipe 8 is communicated with the discharge hole at the bottom of the material receiving disc 6, and one end of the material return pipe 8 is communicated with the vacuum pipe body below the second valve 11.
In the chemical synthesis reaction, when the inside product of reation kettle need carry out the sample detection time measuring, the staff opens the vacuum pump, the inside product that awaits measuring of reation kettle gets into the vacuum tube, observe through the sight glass and close first valve and second valve when the product that awaits measuring rises to the sight glass about half, open the bottle lid of sampling bottle, place the sampling bottle on the take-up (stock) pan, open the third valve, volume according to needs connects the sample from the sampling pipe, after the sample is accomplished, open first valve and fourth valve, return the surplus product that awaits measuring in the reation kettle, then close valve first valve and fourth valve. Through above-mentioned device, convenient operation during the sample can not appear the phenomenon that the sample that awaits measuring splashes and falls moreover, but also can the ration sample.
As shown in fig. 2, the receiving tray 6 includes a tray body, a supporting plate 60 is disposed on the receiving tray 6, a plurality of grooves 601 are disposed in the supporting plate 60, and a through hole 6010 is disposed at the bottom of each groove 601. When a plurality of bottles of samples to be detected need to be collected, a plurality of quantitative sampling bottles are directly placed in the grooves, and the bottle caps of the sampling bottles are opened; when redundant samples to be detected fall onto the material receiving disc, the samples to be detected pass through the through holes and enter the material return pipe along the discharge hole in the bottom of the material receiving disc, and the samples return to the inside of the reaction kettle through the material return pipe.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. A vacuum sampling device for chemical synthesis reaction is characterized by comprising a vacuum tube and a sampling tube, wherein one end of the vacuum tube extends into the bottom of a reaction kettle, the other end of the vacuum tube is communicated with a vacuum pump, a sight glass is arranged on a tube body of the vacuum tube close to one end of the vacuum pump, a first valve is arranged on the tube body of the vacuum tube above the sight glass, and a second valve is arranged on the tube body of the vacuum tube below the sight glass; the sampling tube is provided with a third valve, and the sampling tube is communicated with a vacuum tube body between the sight glass and the second valve; a receiving disc is arranged below the sampling tube, and a plurality of quantitative sampling bottles are arranged on the receiving disc.
2. The vacuum sampling device for the chemical synthesis reaction according to claim 1, further comprising a material return pipe, wherein a fourth valve is arranged on the material return pipe, one end of the material return pipe is communicated with the material outlet at the bottom of the material receiving disc, and the other end of the material return pipe is communicated with a vacuum pipe body below the second valve.
3. The vacuum sampling device for chemical synthesis reaction of claim 1, wherein the receiving tray comprises a tray body, a supporting plate is arranged on the receiving tray, a plurality of grooves are arranged on the supporting plate, and through holes are arranged at the bottoms of the grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920752667.5U CN210293723U (en) | 2019-05-24 | 2019-05-24 | Vacuum sampling device for chemical synthesis reaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920752667.5U CN210293723U (en) | 2019-05-24 | 2019-05-24 | Vacuum sampling device for chemical synthesis reaction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210293723U true CN210293723U (en) | 2020-04-10 |
Family
ID=70070563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920752667.5U Active CN210293723U (en) | 2019-05-24 | 2019-05-24 | Vacuum sampling device for chemical synthesis reaction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210293723U (en) |
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2019
- 2019-05-24 CN CN201920752667.5U patent/CN210293723U/en active Active
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