CN216295257U - Purification crystallization kettle for preparing photoinitiator - Google Patents
Purification crystallization kettle for preparing photoinitiator Download PDFInfo
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- CN216295257U CN216295257U CN202122426588.5U CN202122426588U CN216295257U CN 216295257 U CN216295257 U CN 216295257U CN 202122426588 U CN202122426588 U CN 202122426588U CN 216295257 U CN216295257 U CN 216295257U
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- scraper
- crystallization kettle
- kettle
- stirring
- preparing
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- 238000002425 crystallisation Methods 0.000 title claims abstract description 52
- 230000008025 crystallization Effects 0.000 title claims abstract description 51
- 238000000746 purification Methods 0.000 title claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 58
- 238000007790 scraping Methods 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 230000007704 transition Effects 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000013078 crystal Substances 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses a purification crystallization kettle for preparing a photoinitiator, which comprises a crystallization kettle, wherein a stirring device is arranged in the crystallization kettle, a lifting scraper is arranged on the stirring device, the crystallization kettle comprises a kettle body, the top and the bottom of the kettle body are respectively provided with a feed inlet and a discharge outlet, a heating sleeve is sleeved on the kettle body, a plurality of annular concave grooves and a plurality of connecting chutes are arranged on the inner wall of the kettle body, and the adjacent annular concave grooves are communicated through the connecting chutes; the purification crystallization kettle for preparing the photoinitiator has a simple structure, is convenient and practical, can scrape crystals on the wall of the crystallization kettle through the scraping device, and can control the height of the lifting scraper through the hollow floating ball, so that the lifting scraper can scrape the crystals according to the height of the liquid level of the material, thereby achieving the purposes of reducing the volume of the scraper and ensuring the scraping effect and efficiency, and simultaneously reducing the strength requirement of the stirring shaft and reducing the energy consumption of the stirring motor.
Description
Technical Field
The utility model belongs to the field of crystallization kettles, and particularly relates to a purification crystallization kettle for preparing a photoinitiator.
Background
The photoinitiator 819 is also called a photosensitizer or a photocuring agent, and is a photoinitiator which can absorb energy with a certain wavelength in an ultraviolet region (250-420 nm), and initiator molecules are transited from a ground state to an excited singlet state and transited from a system to an excited triplet state after directly or indirectly absorbing light energy; after the excited singlet state or triplet state undergoes unimolecular or bimolecular chemical action, active fragments capable of initiating monomer polymerization are generated, and the active fragments can be free radicals, cations, anions and the like, so that the monomer polymerization is initiated, and the crosslinking and curing are carried out to form the polymer.
In order to improve the purity of the photoinitiator, a crystallization step is required in the manufacturing process of the photoinitiator, the crystallization of the photoinitiator is carried out in a special crystallization kettle, however, when the photoinitiator is crystallized in the existing crystallization kettle, the crystallized photoinitiator is easily attached to the inner wall of the crystallization kettle, and the crystallization efficiency is reduced; the general installation scraper blade on the (mixing) shaft of conventional equipment, strike off through the crystallization of scraper blade on to the crystallization kettle inner wall, the crystallization kettle of crystallization kettle inner wall for straight wall is mainly fit for to this kind of mode, and correspond and make the inside crystallization kettle that a plurality of radian makes the thermal efficiency increase, it is difficult to clear up the cauldron wall through the scraper blade, its inner wall radian levelness is difficult to control in the certain extent when mainly producing crystallization kettle, can appear the phenomenon of card pause when leading to inner wall radian and scraper blade contact, the frictional force that the whole inner wall scraper blade of scraper blade cover crystallization kettle produced simultaneously has hindered the (mixing) shaft rotation, make the intensity of (mixing) shaft need very big improvement, increase agitator motor's energy consumption simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a purification crystallization kettle for preparing a photoinitiator, which has a simple structure, is convenient and practical, scrapes the crystal on the wall of the crystallization kettle through a scraping device, controls the height of a lifting scraper through a hollow floating ball, ensures that the lifting scraper can scrape the crystal according to the height of the liquid level of the material, achieves the purposes of reducing the volume of a scraper and ensuring the scraping effect and efficiency, and simultaneously reduces the strength requirement of a stirring shaft and the energy consumption of a stirring motor.
A purification crystallization kettle for preparing a photoinitiator, which comprises a crystallization kettle, wherein a stirring device is arranged in the crystallization kettle, the stirring device is provided with a lifting scraper, the crystallization kettle comprises a kettle body, the top and the bottom of the kettle body are respectively provided with a feed inlet and a discharge outlet, the kettle body is sleeved with a heating sleeve, the inner wall of the kettle body is provided with a plurality of annular concave grooves and a plurality of connecting chutes, the adjacent annular concave grooves are communicated through a plurality of connecting chutes, the connecting chute is matched with the lifting scraper, the stirring device comprises a stirring motor and a stirring shaft arranged in the kettle body, one end of the stirring shaft is provided with a stirring blade, the other end of the stirring shaft penetrates through the top of the crystallization kettle and is connected with a stirring motor, the stirring motor is fixed on the kettle body, and a strip-shaped transition hole for the lifting scraper to pass through is formed in the stirring shaft; the lifting scraper comprises a connecting rod, the two ends of the connecting rod are both connected with scraping devices, and the connecting rod is arranged in a strip-shaped transition hole.
Preferably, the scraping device comprises a connecting scraping rod, one end of the connecting scraping rod is connected with the connecting rod, the other end of the connecting scraping rod is connected with a buffer, an arc-shaped scraping plate is connected onto the buffer, and a hollow floating ball is arranged on the connecting scraping rod.
Preferably, arc-shaped reinforcing plates are arranged on the stirring shafts on two sides of the strip-shaped transition hole.
Preferably, the connecting scraping rod is provided with a limiting block, and the limiting block is positioned between the two arc-shaped reinforcing plates.
Preferably, at least one avoidance groove is formed in the arc-shaped scraper, a telescopic buffer is arranged in the avoidance groove, and a middle arc-shaped scraper matched with the annular concave groove is connected to a power rod of the telescopic buffer.
Preferably, flexible buffer swing joint is in keeping away the position inslot, the cover is equipped with the torsional spring on the flexible buffer, torsional spring one end is connected on keeping away the position groove, the torsional spring other end is connected with flexible buffer.
Preferably, the limiting block is provided with a ball groove, the ball groove is internally provided with a rolling steel ball, and the side surface of the arc-shaped reinforcing plate, which is close to the strip-shaped transition hole, is provided with a ball sliding groove matched with the rolling steel ball.
Has the advantages that:
(1) the purification crystallization kettle for preparing the photoinitiator has a simple structure, is convenient and practical, can scrape crystals on the wall of the crystallization kettle through the scraping device, and can control the height of the lifting scraper through the hollow floating ball, so that the lifting scraper can scrape the crystals according to the height of the liquid level of the material, thereby achieving the purposes of reducing the volume of the scraper and ensuring the scraping effect and efficiency, and simultaneously reducing the strength requirement of the stirring shaft and reducing the energy consumption of the stirring motor.
(2) According to the purification crystallization kettle for preparing the photoinitiator, the arc-shaped scraper is pushed into the annular concave groove through the telescopic buffer to adjust the telescopic position of the arc-shaped scraper, so that crystals in the annular concave groove can be scraped by the arc-shaped scraper.
Drawings
FIG. 1 is a schematic structural view of a crystallization kettle;
FIG. 2 is a schematic diagram of the structure of the inner wall of a crystallization kettle;
FIG. 3 is a schematic structural view of a lifting scraper;
FIG. 4 is a schematic 3D structure diagram of the lifting scraper;
1-crystallization kettle, 11-kettle body, 12-heating jacket, 13-feeding port, 14-discharging port, 15-annular concave groove, 16-connecting chute, 2-stirring device, 21-stirring motor, 22-stirring shaft, 23-strip transition hole, 24-arc reinforcing plate, 25-stirring blade, 3-lifting scraper, 31-connecting rod, 32-scraping device, 33-limiting block, 34-hollow floating ball, 35-connecting scraper bar, 36-buffer, 37-arc scraper, 38-avoiding groove, 39-telescopic buffer and 310-middle arc scraper.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1; a purification crystallization kettle for preparing a photoinitiator comprises a crystallization kettle 1, wherein a stirring device 2 is arranged in the crystallization kettle 1, a lifting scraper 3 is arranged on the stirring device 2, the crystallization kettle 1 comprises a kettle body 11, the top and the bottom of the kettle body 11 are respectively provided with a feed inlet 13 and a discharge outlet 14, a heating sleeve 12 is sleeved on the kettle body 11, the inner wall of the kettle body 11 is provided with a plurality of annular concave grooves 15 and a plurality of connecting chutes 16, the adjacent annular concave grooves 15 are communicated through the connecting chutes 16, the connecting chutes 16 are mutually matched with the lifting scraper 3, the stirring device 2 comprises a stirring motor 21 and a stirring shaft 22 arranged in the kettle body 11, one end of the stirring shaft 22 is provided with a stirring blade 25, the other end of the stirring shaft 22 penetrates through the top of the crystallization kettle 1 to be connected with the stirring motor 21, the stirring motor 21 is fixed on the kettle body 11, the stirring shaft 22 is provided with a strip-shaped transition hole 23 for the lifting scraper 3 to pass through; the lifting scraper 3 comprises a connecting rod 31, both ends of the connecting rod 31 are connected with scraping devices 32, and the connecting rod 31 is arranged in the strip-shaped transition hole 23; the scraping device 32 comprises a connecting scraping rod 35, one end of the connecting scraping rod 35 is connected with the connecting rod 31, the other end of the connecting scraping rod 35 is connected with a buffer 36, an arc-shaped scraping plate 37 is connected onto the buffer 36, and a hollow floating ball 34 is arranged on the connecting scraping rod 35; arc-shaped reinforcing plates 24 are arranged on the stirring shafts 22 on the two sides of the strip-shaped transition hole 23; the connecting scraping rod 35 is provided with a limiting block 33, and the limiting block 33 is positioned between the two arc-shaped reinforcing plates 24; at least one avoidance groove 38 is formed in the arc-shaped scraper 37, a telescopic buffer 39 is arranged in the avoidance groove 38, and a middle arc-shaped scraper 310 matched with the annular concave groove 15 is connected to a power rod of the telescopic buffer 39; the telescopic buffer 39 is movably connected in the avoiding groove 38, a torsion spring is sleeved on the telescopic buffer 39, one end of the torsion spring is connected on the avoiding groove 38, and the other end of the torsion spring is connected with the telescopic buffer 39; the limiting block 33 is provided with a ball groove, a rolling steel ball is arranged in the ball groove, and the side surface of the arc-shaped reinforcing plate 24 close to the strip-shaped transition hole 23 is provided with a ball sliding groove matched with the rolling steel ball.
Materials are guided into and out of the kettle body 11 through the feeding hole 13 and the discharging hole 14, the stirring shaft 22 is driven to rotate by the stirring motor 21, the stirring shaft 22 drives the stirring blades 25 to stir the materials, the materials in the kettle body 11 are heated by the heating sleeve 12, and the heated area of the materials is increased by the annular concave groove 15 to accelerate the crystallization efficiency; the stirring shaft 22 can drive the lifting scraper to rotate for 3 degrees at the same time when rotating, the lifting scraper 3 scrapes the crystallisate on the kettle body 11, the stirring shaft 22 drives the connecting rod 31, the connecting rod 31 drives the scraper 32 at two ends to rotate around the stirring shaft 22, when the scraper 32 rotates around the stirring shaft 22, the hollow floating ball 34 connected with the scraper 35 ensures that the scraper 32 floats on the liquid level, the arc scraper 37 is contacted with the inner wall of the kettle body 11, the buffer 36 ensures that the arc scraper 37 is tightly attached to the inner wall of the kettle body 11, the crystal on the inner wall of the kettle body 11 is scraped when the arc scraper 37 rotates around the stirring shaft 22, the middle arc scraper 310 is pushed to be attached to the annular concave groove 15 through the telescopic buffer 39, the crystal in the annular concave groove 15 is removed, the middle arc scraper 310 is ensured to enter the annular concave groove 15 after the liquid level descends through the connecting chute 16, when the liquid level is between the two liquid annular concave grooves 15 and the distance between the two annular concave grooves 15 is larger, the arc-shaped scraper 310 can rotate and incline when moving downwards along the connecting chute 16, meanwhile, the arc-shaped scraper 310 enters the next annular concave groove 15 along the connecting chute 16, and the arc-shaped scraper 310 can be enabled to be restored to be vertical to the annular concave groove 15 and be attached to the annular concave groove 15 through a torsion spring; through set up the position of ball groove restriction rolling steel ball on restriction piece 33, guarantee through the rolling steel ball that it goes up and down to scrape glassware 3 and go up and down more smoothly and avoid appearing the card pause or hold out dead phenomenon, guarantee the rolling steel ball slip track through the ball spout, its restriction piece 33 all is provided with the ball groove with arc gusset plate 24 contact surface to guarantee that restriction piece 33 goes up and down more smoothly, increase (mixing) shaft 22's intensity through arc gusset plate 24, guarantee connecting rod 31 lift motion track through bar transition hole 23.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the above-described embodiments. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent alterations and modifications are intended to be included within the scope of the utility model, without departing from the spirit and scope of the utility model.
Claims (7)
1. A purification crystallization kettle for preparing a photoinitiator is characterized in that: comprises a crystallization kettle (1), wherein a stirring device (2) is arranged in the crystallization kettle (1), a lifting scraper (3) is arranged on the stirring device (2), the crystallization kettle (1) comprises a kettle body (11), a feed inlet (13) and a discharge outlet (14) are respectively arranged at the top and the bottom of the kettle body (11), a heating sleeve (12) is sleeved on the kettle body (11), a plurality of annular concave grooves (15) and a plurality of connecting chutes (16) are arranged on the inner wall of the kettle body (11), the adjacent annular concave grooves (15) are communicated through a plurality of connecting chutes (16), the connecting chutes (16) are mutually matched with the lifting scraper (3), the stirring device (2) comprises a stirring motor (21) and a stirring shaft (22) arranged in the kettle body (11), and one end of the stirring shaft (22) is provided with a stirring blade (25), the other end of the stirring shaft (22) penetrates through the top of the crystallization kettle (1) and is connected with a stirring motor (21), the stirring motor (21) is fixed on the kettle body (11), and a strip-shaped transition hole (23) for the lifting scraper (3) to pass through is formed in the stirring shaft (22); go up and down to scrape glassware (3) including connecting rod (31), connecting rod (31) both ends all are connected with scraper (32), connecting rod (31) set up in bar transition hole (23).
2. A purifying crystallization kettle for preparing a photoinitiator according to claim 1, wherein: the scraper device (32) comprises a connecting scraper rod (35), one end of the connecting scraper rod (35) is connected with a connecting rod (31), the other end of the connecting scraper rod (35) is connected with a buffer (36), an arc scraper (37) is connected onto the buffer (36), and a hollow floating ball (34) is arranged on the connecting scraper rod (35).
3. A purifying crystallization kettle for preparing a photoinitiator according to claim 2, wherein: arc-shaped reinforcing plates (24) are arranged on the stirring shafts (22) on the two sides of the strip-shaped transition hole (23).
4. A purifying crystallization kettle for preparing a photoinitiator according to claim 3, wherein: the connecting scraping rod (35) is provided with a limiting block (33), and the limiting block (33) is positioned between the two arc-shaped reinforcing plates (24).
5. A purifying crystallization kettle for preparing a photoinitiator according to claim 4, wherein: at least one avoidance groove (38) is formed in the arc-shaped scraper (37), a telescopic buffer (39) is arranged in the avoidance groove (38), and a middle arc-shaped scraper (310) matched with the annular concave groove (15) is connected to a power rod of the telescopic buffer (39).
6. A purifying crystallization kettle for preparing a photoinitiator according to claim 5, wherein: flexible buffer (39) swing joint is in keeping away a groove (38), the cover is equipped with the torsional spring on flexible buffer (39), torsional spring one end is connected on keeping away a groove (38), the torsional spring other end is connected with flexible buffer (39).
7. A purifying crystallizer for preparing photoinitiators as claimed in claim 6 wherein: the limiting block (33) is provided with a ball groove, a rolling steel ball is arranged in the ball groove, and the side face, close to the strip-shaped transition hole (23), of the arc-shaped reinforcing plate (24) is provided with a ball sliding groove matched with the rolling steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122426588.5U CN216295257U (en) | 2021-10-09 | 2021-10-09 | Purification crystallization kettle for preparing photoinitiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122426588.5U CN216295257U (en) | 2021-10-09 | 2021-10-09 | Purification crystallization kettle for preparing photoinitiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216295257U true CN216295257U (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122426588.5U Expired - Fee Related CN216295257U (en) | 2021-10-09 | 2021-10-09 | Purification crystallization kettle for preparing photoinitiator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115337664A (en) * | 2022-09-13 | 2022-11-15 | 张欢 | Extraction device for extracting effective components of plants and use method |
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2021
- 2021-10-09 CN CN202122426588.5U patent/CN216295257U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115337664A (en) * | 2022-09-13 | 2022-11-15 | 张欢 | Extraction device for extracting effective components of plants and use method |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220415 |