CN212595571U - Reation kettle convenient to evacuation - Google Patents
Reation kettle convenient to evacuation Download PDFInfo
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- CN212595571U CN212595571U CN202020766821.7U CN202020766821U CN212595571U CN 212595571 U CN212595571 U CN 212595571U CN 202020766821 U CN202020766821 U CN 202020766821U CN 212595571 U CN212595571 U CN 212595571U
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Abstract
The utility model discloses a reaction kettle convenient for vacuumizing, which comprises a kettle body and a kettle cover, wherein a lower flange is arranged above the kettle body, the lower flange is fixedly connected with the kettle body, the kettle cover is provided with 3 sealing threaded holes, the sealing threaded holes are connected with a pipeline through threads, the other end of the pipeline at the left side is detachably connected with a negative pressure meter, a first valve is fixedly connected between the pipeline and the negative pressure meter, a vacuum joint is fixedly connected on the pipeline, a second valve is fixedly connected between the pipeline and the vacuum joint, a vacuum meter is detachably connected on the pipeline at the right side, a third valve is fixedly connected between the positive pressure meter and the pipeline, an annular boss is arranged on the lower flange, a groove matched with the boss is arranged on the kettle cover, the vacuum joint can be directly connected with a vacuum pump to complete vacuumizing operation during use, so that the kettle body is simple and convenient to vacuumize.
Description
Technical Field
The utility model relates to a reation kettle technical field specifically is a reation kettle convenient to evacuation.
Background
With the development of national science and technology, the demand for reaction kettles in chemical laboratories and chemical research institutes of colleges and universities is increasing, and the reaction kettle for the laboratory as a small-sized chemical reaction vessel needs to have certain strength and corrosion resistance at high temperature and high pressure.
In some chemical experiments, the reaction can be started only when a certain vacuum degree is reached in the kettle, the positive pressure gauge on the reaction kettle in the prior art cannot measure the vacuum degree in the kettle, even the vacuum degree reaches a certain value, the positive pressure gauge can be damaged, and after the reaction occurs, the common negative pressure gauge cannot normally work along with the rise of the pressure. Therefore, the kettle can not be quickly vacuumized at the beginning of the experiment, and the chemical reaction can not be immediately carried out after the vacuumizing, so that the experiment efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reation kettle convenient to evacuation to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a reaction kettle convenient for vacuumizing comprises a kettle body and a kettle cover, wherein the kettle body is a long cylinder with a closed bottom, a lower flange is arranged above the kettle body, the lower flange is fixedly connected with the kettle body, a plurality of threaded holes are uniformly and equidistantly arranged on the lower flange along the circumferential direction, bolts are connected in the threaded holes, the kettle cover is arranged above the lower flange, an upper flange matched with the lower flange is arranged on the outer side of the kettle cover, through holes are formed in the position, corresponding to the threaded holes, of the upper flange, the kettle body and the kettle cover are fixed through threaded connection between nuts and the bolts, 3 sealing threaded holes are formed in the kettle cover, the sealing threaded holes are connected with pipelines through threads, the other end of the left pipeline is detachably connected with a negative pressure meter, and a first valve is fixedly connected between the pipelines and the negative pressure meter, the middle fixedly connected with vacuum joint on the pipeline fixedly connected with second valve, right side can dismantle on the pipeline and be connected with positive manometer between positive manometer and the pipeline fixedly connected with third valve, be provided with annular boss on the lower flange be provided with on the kettle cover with boss matched with recess seal gasket is installed in the recess.
As a further aspect of the present invention: the sealing gasket is a graphite sealing gasket embedded with 316L sheets.
As a further aspect of the present invention: the first valve, the second valve and the third valve are needle valves made of 316L materials.
As a further aspect of the present invention: the kettle body and the kettle cover are made of 316L.
As a further aspect of the present invention: the sealing threaded hole is 1/8NPT thread.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses can be when needs carry out the evacuation to the cauldron in, will first valve and second valve are opened, and will the third valve is closed, through vacuum joint realizes with the sealing connection between the vacuum pump to accomplish the evacuation operation, can pass through this moment the negative pressure table reads out vacuum, and can with when the reaction takes place first valve and second valve are closed, open the third valve, then can pass through the positive pressure table reads out the cauldron internal pressure. The utility model discloses can directly during the use will vacuum joint links to each other with the vacuum pump and accomplishes the operation of evacuation to the process of evacuation has been simplified, makes the cauldron body evacuation become simple and convenient.
Drawings
FIG. 1 is a cross-sectional view of a reactor vessel for facilitating evacuation.
In the figure: 11. a kettle body; 12. a lower flange; 13. an upper flange; 14. a bolt; 15. a nut; 16. sealing the threaded hole; 17. A first valve; 18. a negative pressure gauge; 19. a pipeline; 20. a second valve; 21. a vacuum joint; 22. a third valve; 23. A positive pressure gauge; 24. sealing gaskets; 25. a boss; 26. and (5) a kettle cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, other embodiments obtained by a person of ordinary skill in the art without creative work all belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the term "center". The directional or positional relationships "length," "width," "height," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "side," and the like are indicative of the directional or positional relationships illustrated in fig. 1, merely to facilitate description and to simplify description, and are not indicative or implied that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention.
Example 1
Referring to fig. 1, a reaction kettle convenient for vacuum pumping comprises a kettle body 11 and a kettle cover 26, wherein the kettle body 11 is a long cylinder with a closed bottom, a lower flange 12 is arranged above the kettle body 11, the lower flange 12 is fixedly connected with the kettle body 11, a plurality of threaded holes are uniformly and equidistantly arranged on the lower flange 12 along the circumferential direction, bolts 14 are connected in the threaded holes, the kettle cover 26 is arranged above the lower flange 12, an upper flange 13 matched with the lower flange 12 is arranged on the outer side of the kettle cover 26, through holes are arranged on the upper flange 13 corresponding to the threaded holes, the kettle body 11 and the kettle cover 26 are fixed by threaded connection between a nut 15 and the bolt 14, 3 sealed threaded holes 16 are arranged on the kettle cover 26, the sealed threaded holes 16 are connected with a pipeline 19 by threads, further, a material belt can be wound on the threads of the pipeline 19 to improve the sealing effect, the other end of left side pipeline 19 can be dismantled and be connected with negative pressure gauge 18 the first valve 17 of fixedly connected with between pipeline 19 and the negative pressure gauge 18, middle fixedly connected with vacuum joint 21 on the pipeline 19 fixedly connected with second valve 20 between pipeline 19 and the vacuum joint 21, the right side can be dismantled and be connected with positive pressure gauge on the pipeline 19 fixedly connected with third valve 22 between positive pressure gauge 23 and the pipeline 19, be provided with annular boss 25 on the lower flange 12 be provided with on the kettle cover 26 with boss 25 matched with recess install seal gasket 24 in the recess.
Example 2
This embodiment is further defined and improved on the basis of embodiment 1, and a reaction kettle convenient for vacuum pumping comprises all the technical features of embodiment 1, and in addition,
as a further aspect of this embodiment: the sealing gasket 24 is a graphite sealing gasket with 316L sheets embedded therein.
As a further aspect of this embodiment: the first valve 17, the second valve 20 and the third valve 22 are needle valves made of 316L materials.
As a further aspect of this embodiment: the kettle body 11 and the kettle cover 26 are made of 316L.
As a further aspect of this embodiment: the sealed threaded hole 16 is an 1/8NPT thread.
The utility model discloses a theory of operation:
the utility model discloses when using, as the operation of taking out a vacuum in the cauldron of needs, the experimenter will first valve 17 and second valve 20 are opened, and will third valve 22 closes, through vacuum joint 21 realizes with the sealing connection between the vacuum pump to accomplish evacuation operation, can pass through this moment negative pressure table 18 reads out the vacuum, and can with when the reaction takes place first valve 17 and second valve 20 close, open third valve 22, then can pass through positive pressure table 23 reads out the cauldron internal pressure. The utility model discloses simplify the operation of evacuation, improved experimental efficiency.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. The reaction kettle convenient for vacuumizing comprises a kettle body (11) and a kettle cover (26), and is characterized in that the kettle body (11) is a long cylinder with a closed bottom, a lower flange (12) is arranged above the kettle body (11), the lower flange (12) is fixedly connected with the kettle body (11), a plurality of threaded holes are uniformly and equidistantly arranged on the lower flange (12) along the circumferential direction, bolts (14) are connected in the threaded holes, the kettle cover (26) is arranged above the lower flange (12), an upper flange (13) matched with the lower flange (12) is arranged on the outer side of the kettle cover (26), through holes are arranged on the upper flange (13) corresponding to the threaded holes, the kettle body (11) and the kettle cover (26) are fixed through threaded connection between a nut (15) and the bolt (14), and 3 sealing threaded holes (16) are arranged on the kettle cover (26), sealed screw hole (16) are connected through the screw thread realization between with pipeline (19), and the other end of left side pipeline (19) can be dismantled and be connected with negative pressure table (18) between pipeline (19) and negative pressure table (18) first valve of fixedly connected with (17), middle fixedly connected with vacuum connector (21) is gone up in pipeline (19) fixedly connected with second valve (20), right side between pipeline (19) and vacuum connector (21) can be dismantled and be connected with positive pressure table on pipeline (19) fixedly connected with third valve (22) between positive pressure table (23) and pipeline (19), be provided with annular boss (25) on lower flange (12) be provided with on kettle cover (26) with boss (25) matched with recess seal gasket (24) are installed to the recess.
2. The reactor of claim 1, wherein the gasket (24) is a graphite gasket with 316L flakes embedded therein.
3. The reaction kettle convenient for vacuum pumping according to claim 1 or 2, wherein the first valve (17), the second valve (20) and the third valve (22) are needle valves made of 316L material.
4. The reaction kettle convenient for vacuum pumping according to claim 3, wherein the kettle body (11) and the kettle cover (26) are made of 316L.
5. The vacuum facilitated reactor of claim 4 wherein said threaded seal hole (16) is an 1/8NPT thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020766821.7U CN212595571U (en) | 2020-05-11 | 2020-05-11 | Reation kettle convenient to evacuation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020766821.7U CN212595571U (en) | 2020-05-11 | 2020-05-11 | Reation kettle convenient to evacuation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212595571U true CN212595571U (en) | 2021-02-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020766821.7U Active CN212595571U (en) | 2020-05-11 | 2020-05-11 | Reation kettle convenient to evacuation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212595571U (en) |
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2020
- 2020-05-11 CN CN202020766821.7U patent/CN212595571U/en active Active
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