CN210906071U - Device for adding magnesium metal in flammable and explosive environment of Grignard reaction kettle - Google Patents
Device for adding magnesium metal in flammable and explosive environment of Grignard reaction kettle Download PDFInfo
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- CN210906071U CN210906071U CN201921444482.4U CN201921444482U CN210906071U CN 210906071 U CN210906071 U CN 210906071U CN 201921444482 U CN201921444482 U CN 201921444482U CN 210906071 U CN210906071 U CN 210906071U
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Abstract
The utility model discloses a device for adding metal magnesium in a flammable and explosive environment of a Grignard reaction kettle, wherein the positions of the two side parts of the bottom of a holding chamber are both provided with guide chutes, a first feeding through groove is formed in the middle end of the bottom of the inner side of the accommodating chamber, a magnesium scrap storage box is embedded and mounted in the accommodating box, the magnesium chip storage box is connected with the guide sliding chute in a guide sliding way through the guide sliding blocks on the two sides of the bottom of the magnesium chip storage box, the magnesium chip is conveniently stored in the magnesium chip storage box through the holding box, the sealing cover plate, the holding chamber, the guide sliding chute, the first feeding through groove, the magnesium chip storage box, the pull groove and the guide sliding block, meanwhile, the magnesium chip storage box is convenient to be matched and connected with the containing box, and the magnesium chip storage box is further conveniently and rapidly stored, make the magnesium bits can not with air direct contact when adding the reation kettle body, and then avoid magnesium bits surface to form the oxide layer and cause the influence to the preparation quality of reagent.
Description
Technical Field
The utility model relates to a Grignard reaction kettle technical field specifically is a metal magnesium device is thrown to flammable and explosive environment of Grignard reaction kettle.
Background
At present, in the chemical production process in China, Grignard reagents used in alkylation synthesis production need to be prepared on site, the Grignard reagents are generally prepared by a Grignard reaction kettle, and the Grignard reagents are organic halogen compounds and metal magnesium which react in absolute anhydrous ether to form organic magnesium reagents, so that in the preparation process, the metal magnesium needs to be added into the Grignard reaction kettle through a feeding device;
traditional feeding device is owing to lack the function of carrying out isolated shielding to magnesium metal at the in-process that adds magnesium metal, and then leads to magnesium metal easy and air contact and make its surface form the oxide layer, and then causes the influence to the preparation of grignard reagent.
SUMMERY OF THE UTILITY MODEL
The utility model provides a metal magnesium device is thrown to flammable explosive environment of grignard reaction cauldron can effectively solve and propose traditional feeding device in the above-mentioned background art because lack the function that carries out isolated shielding to metal magnesium at the in-process that adds metal magnesium, and then lead to metal magnesium to contact with the air easily and make its surface form the oxide layer, and then cause the problem of influence to the preparation of grignard reagent.
In order to achieve the above object, the utility model provides a following technical scheme: a device for adding metal magnesium into a flammable and explosive environment of a Grignard reaction kettle comprises a reaction kettle body, wherein a support is fixedly arranged at the bottom of the reaction kettle body, a mechanical shaft seal is fixedly arranged at the middle part of the top end of the reaction kettle body, a speed reduction motor is arranged at the top of the mechanical shaft seal, a feeding pipe is fixedly connected to one side end of the reaction kettle body, a screening box is arranged at the top of the feeding pipe, an accommodating box is fixedly arranged at the top of the screening box, a sealing cover plate is hinged to the top end of the edge part of the accommodating box, an accommodating cavity is arranged in the accommodating box, guide chutes are respectively arranged at the two side edge parts at the bottom of the accommodating cavity, a first feeding through groove is arranged at the middle end of the bottom of the inner side of the accommodating cavity, a magnesium scrap storage box is embedded in the accommodating box and is provided with a pull groove, and, the input end of the speed reducing motor is electrically connected with the output end of an external power supply;
sealed slot has been seted up to magnesium bits storage box bottom inboard, the inside embedding of sealed slot is fit for being connected with the regulation picture peg, the reinforced logical groove of second has been seted up with first reinforced logical groove corresponding position department in magnesium bits storage box bottom middle part.
Preferably, the inner diameter of the accommodating chamber is equal to the outer diameter of the accommodating box, and the inner diameter of the guide chute is equal to the outer diameter of the guide sliding block.
Preferably, a box cover is installed at the top of the magnesium scrap storage box, and magnesium scraps are filled in the magnesium scrap storage box.
Preferably, a sealing rubber sheet is fixedly bonded at the joint of the inside of the sealing slot and the adjusting inserting plate.
The screening incasement portion has seted up fastening slot with sealed apron homonymy department, the inside embedding plug-in connection of fastening slot has the installation layer board, the inside embedding fixed mounting of installation layer board has the screening grid, the installation layer board both sides limit end is located fastening slot internal position department and has all bonded the sealing rubber cutting, the reinforced logical groove of third has been seted up with the reinforced logical groove corresponding position department of second at the inboard top of screening incasement portion, and the reinforced logical groove of third is corresponding with the feeding pipe.
Preferably, a temporary storage groove is formed in the mounting support plate, and the screening grid mesh is mounted at the bottom of the inner side of the temporary storage groove.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:
1. through the holding case, sealed apron, the holding chamber, the direction spout, first reinforced logical groove, the magnesium bits storage box, kerve and direction slider are convenient for deposit the magnesium bits in the magnesium bits storage box, the magnesium bits storage box of being convenient for simultaneously agrees with between and is connected with the holding case, further deposit through carrying out the portable to the magnesium bits storage box, make the magnesium bits can not be with air direct contact when adding the reation kettle body, and then avoid magnesium bits surface formation oxide layer to cause the influence to the preparation quality of reagent.
2. Through sealed slot, regulation picture peg and the reinforced logical groove of second be convenient for control opening and closing of magnesium bits storage box bottom, and then be convenient for the magnesium bits and discharge from the magnesium bits storage box, should adjust simultaneously and be convenient for control the throughput of magnesium bits, the simple operation.
3. Through screening case, fastening slot, installation layer board, screening grid, sealing rubber cutting and the reinforced logical groove of third, can filter the magnesium bits before the magnesium bits get into the feeding pipe, and then make the inside magnesium bits that enter into reation kettle body can guarantee that granular fineness is even, and then improve the reaction effect between magnesium bits and the reactant.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the internal structure of the accommodating box of the present invention;
FIG. 3 is a schematic structural diagram of the magnesium dust storage box of the present invention;
FIG. 4 is a schematic view of the installation structure of the screening grid of the present invention;
reference numbers in the figures: 1. a reaction kettle body; 2. a support; 3. a mechanical shaft seal; 4. a reduction motor; 5. a feeding pipe; 6. a screening box; 7. an accommodating box; 8. sealing the cover plate; 9. an accommodating chamber; 10. a guide chute; 11. a first feeding through groove; 12. a magnesium chip storage box; 13. groove drawing; 14. A guide slider; 15. sealing the slot; 16. adjusting the inserting plate; 17. a second feeding through groove; 18. Fastening the slot; 19. mounting a supporting plate; 20. screening a grid mesh; 21. sealing the rubber cutting; 22. And a third feeding through groove.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in figures 1-4, the utility model provides a technical scheme, a device for adding metal magnesium in a flammable and explosive environment of a Grignard reaction kettle, which comprises a reaction kettle body 1, a support 2 is fixedly arranged at the bottom of the reaction kettle body 1, a mechanical shaft seal 3 is fixedly arranged at the middle part of the top end of the reaction kettle body 1, a speed reduction motor 4 is arranged at the top part of the mechanical shaft seal 3, a feeding pipe 5 is fixedly connected with one side end of the reaction kettle body 1, a screening box 6 is arranged at the top part of the feeding pipe 5, an accommodating box 7 is fixedly arranged at the top part of the screening box 6, a sealing cover plate 8 is hinged at the top end of the edge part of the accommodating box 7, an accommodating chamber 9 is arranged in the accommodating box 7, guide chutes 10 are arranged at the two side edge parts at the bottom part of the accommodating chamber 9, a first feeding through groove 11 is arranged at the, the magnesium chip storage box 12 is filled with magnesium chips, the magnesium chips are conveniently stored in the magnesium chip storage box 12, the edge parts of two sides of the magnesium chip storage box 12 are respectively provided with a pull groove 13, the magnesium chip storage box 12 is connected with a guide sliding groove 10 in a guide sliding mode through guide sliding blocks 14 on two sides of the bottom of the magnesium chip storage box 12, the inner diameter of the containing cavity 9 is equal to the outer diameter of the containing box 7, the inner diameter of the guide sliding groove 10 is equal to the outer diameter of the guide sliding block 14, the containing box 7 is conveniently in fit connection with the containing cavity 9, meanwhile, the guide sliding block 14 and the guide sliding groove 10 are not deviated in the guide sliding process, and the input end of the speed reducing motor 4 is electrically connected with the output end of an;
Inside 8 homonymy departments of sealed apron have seted up fastening slot 18 with the screening case, the inside embedding plug-in connection of fastening slot 18 has installation layer board 19, the inside embedding fixed mounting of installation layer board 19 has screening grid 20, the groove of keeping in has been seted up inside the installation layer board 19, and screening grid 20 installs in the inboard bottom of the groove of keeping in, be convenient for keep in the magnesium bits that screening grid 20 screened in installation layer board 19, 19 both sides limit of installation layer board is located fastening slot 18 internal position department and all bonds and have sealed rubber cutting 21, the reinforced logical groove 17 corresponding position department of logical groove 17 of the inboard top of screening case and second has seted up the reinforced logical groove 22 of third, and the reinforced logical groove 22 of third is corresponding with dog-house 5.
The utility model discloses a theory of operation and use flow: in the practical application process of the device for adding metal magnesium into the flammable and explosive environment of the Grignard reaction kettle, firstly, a reaction kettle body 1 is fixedly supported through a support 2 at the bottom of the reaction kettle body, then a sealing cover plate 8 is opened, a magnesium chip storage box 12 filled with magnesium chips is inserted into an accommodating cavity 9 inside an accommodating box 7, and when the magnesium chip storage box 12 is inserted into the accommodating cavity 9, the magnesium chip storage box 12 can be accurately and stably pushed into the accommodating box 7 through the guiding sliding between a guiding sliding block 14 and a guiding sliding groove 10, so that the magnesium chips can accurately fall into a first feeding through groove 11 when being added;
the sealing cover plate 8 is closed, the adjusting inserting plate 16 is slowly pulled out of the sealing slot 15, so that the first feeding through groove 11 at the bottom of the containing box 7 is gradually opened, the mode is convenient for controlling the opening and closing of the first feeding through groove 11 and controlling the throughput of magnesium chips, the phenomenon that the magnesium chips are added too much in a single time is avoided, when the adjusting inserting plate 16 is gradually moved out of the sealing slot 15, the magnesium chips in the magnesium chip storing box 12 enter the first feeding through groove 11, and the second feeding through groove 17 at the bottom of the inner side of the containing box 7 is combined to facilitate the continuous conveying of the magnesium chips;
after the magnesium chips pass through the second feeding through groove 17, the magnesium chips can directly enter the screening box 6, and after the magnesium chips enter the screening box 6, the entering magnesium chips can be screened through the screening grid 20 in the screening box 6, so that the large-volume magnesium chips can be reserved on the mounting support plate 19, the magnesium chips passing through the screening grid 20 can be ensured to be consistent in size and fineness, the reaction effect between the subsequent magnesium chips and reactants is further improved, in addition, the mounting support plate 19 is pulled out from the fastening slot 18, and therefore the magnesium chips screened in the mounting support plate 19 can be easily cleaned by people, the operation is convenient, and the cleaning difficulty is low;
after the magnesium chips are screened by the screening grid 20, the magnesium chips directly enter the third feeding through groove 22, the screened magnesium chips are further conveyed to the feeding pipe 5 by the third feeding through groove 22, and finally the magnesium chips are conveyed to the reaction kettle body 1 through the feeding pipe 5 to complete feeding.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a metal magnesium device is thrown to flammable explosive environment of grignard reaction cauldron, includes reation kettle body (1), reation kettle body (1) bottom fixed mounting has support (2), reation kettle body (1) top middle part fixed mounting has mechanical bearing seal (3), gear motor (4), its characterized in that are installed at mechanical bearing seal (3) top: the reaction kettle comprises a reaction kettle body (1), wherein a feeding pipe (5) is fixedly connected to one side end of the reaction kettle body (1), a screening box (6) is installed at the top of the feeding pipe (5), an accommodating box (7) is fixedly installed at the top of the screening box (6), a sealing cover plate (8) is hinged to the top end of the edge of the accommodating box (7), an accommodating cavity (9) is formed in the accommodating box (7), guide sliding chutes (10) are formed in the positions of the edges of the two sides of the bottom of the accommodating cavity (9), a first feeding through groove (11) is formed in the middle end of the bottom of the inner side of the accommodating cavity (9), a magnesium chip storage box (12) is embedded in the accommodating box (7), pull grooves (13) are formed in the edges of the two sides of the magnesium chip storage box (12), and the magnesium chip storage box (12) is connected, the input end of the speed reducing motor (4) is electrically connected with the output end of an external power supply;
sealed slot (15) have been seted up to magnesium bits storage box (12) bottom inboard, sealed slot (15) inside embedding agrees with to be connected with regulation picture peg (16), the reinforced logical groove (17) of second have been seted up with first reinforced logical groove (11) corresponding position department in magnesium bits storage box (12) bottom middle part.
2. The device for adding the metal magnesium into the flammable and combustible environment of the Grignard reaction kettle according to claim 1, is characterized in that: the inner diameter of the accommodating chamber (9) is equal to the outer diameter of the accommodating box (7), and the inner diameter of the guide chute (10) is equal to the outer diameter of the guide sliding block (14).
3. The device for adding the metal magnesium into the flammable and combustible environment of the Grignard reaction kettle according to claim 1, is characterized in that: a box cover is installed at the top of the magnesium chip storage box (12), and magnesium chips are filled in the magnesium chip storage box (12).
4. The device for adding the metal magnesium into the flammable and combustible environment of the Grignard reaction kettle according to claim 1, is characterized in that: and a sealing rubber sheet is fixedly bonded at the joint of the inside of the sealing slot (15) and the adjusting inserting plate (16).
5. The device for adding the metal magnesium into the flammable and combustible environment of the Grignard reaction kettle according to claim 1, is characterized in that: screening case (6) inside and sealed apron (8) homonymy department seted up fastening slot (18), fastening slot (18) inside embedding plug-in connection has installation layer board (19), the inside embedding fixed mounting of installation layer board (19) has screening bars net (20), installation layer board (19) both sides limit end is located fastening slot (18) internal position department and all bonds and has sealed rubber cutting (21), screening case (6) inboard top and the reinforced logical groove of second (17) correspond the position department and seted up the reinforced logical groove of third (22), and the reinforced logical groove of third (22) is corresponding with material pipe (5) of throwing.
6. The device for adding the metal magnesium into the flammable and combustible environment of the Grignard reaction kettle according to claim 5, is characterized in that: a temporary storage groove is formed in the mounting support plate (19), and the screening grid mesh (20) is mounted at the bottom of the inner side of the temporary storage groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921444482.4U CN210906071U (en) | 2019-09-02 | 2019-09-02 | Device for adding magnesium metal in flammable and explosive environment of Grignard reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921444482.4U CN210906071U (en) | 2019-09-02 | 2019-09-02 | Device for adding magnesium metal in flammable and explosive environment of Grignard reaction kettle |
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| Publication Number | Publication Date |
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| CN210906071U true CN210906071U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921444482.4U Active CN210906071U (en) | 2019-09-02 | 2019-09-02 | Device for adding magnesium metal in flammable and explosive environment of Grignard reaction kettle |
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| CN (1) | CN210906071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112973169A (en) * | 2021-02-23 | 2021-06-18 | 陆鹤霄 | Combined type methanol evaporator |
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2019
- 2019-09-02 CN CN201921444482.4U patent/CN210906071U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112973169A (en) * | 2021-02-23 | 2021-06-18 | 陆鹤霄 | Combined type methanol evaporator |
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