CN112387220A - Self-suction type circulating low-pressure hydrogenation device for hydrogenation kettle - Google Patents
Self-suction type circulating low-pressure hydrogenation device for hydrogenation kettle Download PDFInfo
- Publication number
- CN112387220A CN112387220A CN202011245202.4A CN202011245202A CN112387220A CN 112387220 A CN112387220 A CN 112387220A CN 202011245202 A CN202011245202 A CN 202011245202A CN 112387220 A CN112387220 A CN 112387220A
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- Prior art keywords
- hydrogen
- stirring
- hydrogenation
- positioning sleeve
- elastic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 48
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 94
- 239000001257 hydrogen Substances 0.000 claims abstract description 94
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 89
- 238000003756 stirring Methods 0.000 claims abstract description 83
- 238000001125 extrusion Methods 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 2
- 239000007788 liquid Substances 0.000 abstract description 5
- 229920002472 Starch Polymers 0.000 description 8
- 235000019698 starch Nutrition 0.000 description 8
- 239000008107 starch Substances 0.000 description 8
- 150000002431 hydrogen Chemical class 0.000 description 5
- 150000005846 sugar alcohols Chemical class 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
- B01J8/10—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles moved by stirrers or by rotary drums or rotary receptacles or endless belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
- B01J8/085—Feeding reactive fluids
Abstract
The invention discloses a self-suction type circulating low-pressure hydrogenation device for a hydrogenation kettle, which comprises the hydrogenation kettle, wherein an installation chute is arranged inside a hydrogen suction hole, a limit hole is arranged inside a stirring shaft, an elastic positioning sleeve is clamped inside the limit hole, stirring blades with corresponding sizes slide along the surface of the stirring shaft from bottom to top according to the size of the actual hydrogenation kettle, an inclined surface of the elastic positioning sleeve extrudes on the surface of the stirring shaft and enables an extrusion spring to be compressed outwards, after the elastic positioning sleeve moves to the outer side of the limit hole, the extrusion spring resets to enable the elastic positioning sleeve to be clamped in the limit hole, the structure is simple, the stirring blades can be conveniently installed to meet different processing requirements, a stirring shaft is driven to rotate by a stirring motor, hydrogen on a liquid level enters a hydrogen suction channel and a hydrogen outlet channel through the hydrogen suction hole and is finally discharged through the hydrogen outlet hole, low-pressure hydrogenation is realized, and the safety and, is suitable for popularization.
Description
Technical Field
The invention belongs to the technical field of self-suction hydrogenation, and particularly relates to a self-suction type circulating low-pressure hydrogenation device for a hydrogenation kettle.
Background
The process of forming the sugar alcohol by hydrogenating the starch sugar is completed under the catalysis of a nickel-based catalyst, the relationship between the catalytic hydrogenation (hydrogenation) speed and the amount of hydrogen dissolved in the sugar solution is large, the larger the amount of hydrogen dissolved in the sugar solution is, the faster the hydrogenation reaction speed is, and the hydrogen dissolved in the sugar solution is generally increased by increasing the hydrogenation reaction pressure, but the effective volume of an operation reaction kettle is hardly more than 10 cubic meters, the investment is large, the operation cost is high, and the ultrahigh reaction pressure has the risk of fire hazard caused by leakage, so that the processing quality and the efficiency of the sugar alcohol are influenced.
The present invention has been made in view of this situation.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide a self-suction type circulating low-pressure hydrogenation device for a hydrogenation kettle, and in order to solve the technical problem, the basic concept of the technical scheme adopted by the invention is as follows:
a self-suction type circulating low-pressure hydrogenation device for a hydrogenation kettle comprises a hydrogenation kettle, wherein a stirring motor is screwed on the surface of the hydrogenation kettle, the power output end of the stirring motor is in transmission connection with a stirring shaft, a hydrogen suction channel is arranged inside the stirring shaft, hydrogen suction holes are formed in the two ends of the hydrogen suction channel, a mounting sleeve is connected to the surface of the stirring shaft in a sliding manner, a stirring blade is connected to the inside of the mounting sleeve in a sliding manner, an elastic positioning sleeve is welded on the surface of the stirring blade, a hydrogen outlet channel is arranged inside the stirring blade and the elastic positioning sleeve, a hydrogen outlet hole is formed inside the stirring blade, an extrusion ring is welded on the surface of the elastic positioning sleeve, an installation sliding groove is formed inside the hydrogen suction hole, the extrusion ring is connected to the inside of the installation sliding groove in a sliding manner, an extrusion spring is welded on the surface of the extrusion ring, a limiting hole is, the elastic positioning sleeve is clamped inside the limiting hole.
The stirring motor is in threaded connection with the middle end of the top of the hydrogenation kettle, the hydrogen absorption holes are formed in the stirring shaft and are formed in the upper ends of the two side portions of the hydrogen absorption channel, and the hydrogen absorption channel is communicated with the hydrogen absorption holes.
The installation cover is the ring column structure, and the stirring leaf is arc platelike structure, and the stirring leaf is provided with the multiunit, and the inside upper end of every group stirring leaf all is provided with multiunit and goes out the hydrogen hole, and the multiunit goes out the hydrogen hole and is linked together with the play hydrogen passageway on the stirring leaf.
The elastic positioning sleeve is composed of a hollow isosceles trapezoid elastic block and a hollow rectangular plate, the outer vertical surface of the hollow isosceles trapezoid elastic block is welded on the inner side surface of the hollow rectangular frame, the hollow rectangular plate is welded on the inner side surface of the stirring blade, and the stirring blade is communicated with a hydrogen outlet channel on the elastic positioning sleeve.
The extrusion ring is of a circular ring-shaped structure, the inner wall of the extrusion ring is welded on the surface of the hollow rectangular plate on the elastic positioning sleeve, and the extrusion spring is welded on the outer side surface of the extrusion ring and the outer side inner wall of the mounting chute.
The limiting holes are formed in the lower ends of the two side portions of the hydrogen absorption channel, the hydrogen absorption channel is communicated with the limiting holes, the limiting holes and the elastic positioning sleeve are matched with the hollow isosceles trapezoid elastic blocks, and the hollow isosceles trapezoid elastic blocks are clamped inside the limiting holes.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
According to the size of actual hydrogenation cauldron, stirring leaf with corresponding size slides along the surface of (mixing) shaft from bottom to top, the inclined plane extrusion of elastic locating sleeve is at the (mixing) shaft surface and makes the extrusion spring outwards compress, the elastic locating sleeve removes to spacing hole outside after, the extrusion spring resets and makes the elastic locating sleeve joint in spacing downthehole, moreover, the steam generator is simple in structure, be convenient for install the stirring leaf, satisfy different processing demands, agitator motor drive (mixing) shaft takes place to rotate, hydrogen on the liquid level gets into through inhaling the hydrogen hole and inhales the hydrogen passageway and go out in the hydrogen passageway and finally discharge through going out the hydrogen hole, realize low pressure hydrogenation, guarantee sugar alcohol processing safety and efficiency, and is suitable for promoting.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention to its proper form. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connecting structure of the stirring shaft and the stirring blade according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a schematic view of the connection structure of the stirring shaft and the elastic locating sleeve of the present invention.
In the figure: a hydrogenation kettle 1; a stirring motor 2; a stirring shaft 3; a hydrogen absorption passage 4; a hydrogen absorption hole 5; a mounting sleeve 6; a stirring blade 7; an elastic positioning sleeve 8; a hydrogen outlet passage 9; a hydrogen outlet 10; an extrusion ring 11; mounting the chute 12; a pressing spring 13; a limiting hole 14.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
Referring to fig. 1, 2, 3 and 4, a self-suction type circulating low-pressure hydrogenation device for a hydrogenation kettle comprises a hydrogenation kettle 1, a stirring motor 2 is screwed on the surface of the hydrogenation kettle 1, a stirring shaft 3 is connected to the power output end of the stirring motor 2 in a transmission manner, a hydrogen suction channel 4 is arranged inside the stirring shaft 3, hydrogen suction holes 5 are arranged at two ends of the hydrogen suction channel 4, the stirring motor 2 is screwed on the middle end of the upper surface of the hydrogenation kettle 1, the hydrogen suction holes 5 are arranged inside the stirring shaft 3, and the hydrogen absorption holes 5 are arranged at the upper ends of the two side parts of the hydrogen absorption channel 4, the hydrogen absorption channel 4 is communicated with the hydrogen absorption holes 5, the stirring shaft 3 is driven to rotate by the stirring motor 2, hydrogen on the liquid surface is sucked into the hydrogen sucking channel 4 through the hydrogen sucking hole 5 and is finally discharged through the hydrogen outlet channel 9 and the hydrogen outlet hole 10, low-pressure hydrogenation is realized, and the safety of sugar alcohol processing is ensured;
referring to fig. 1 and 2, the surface of the stirring shaft 3 is connected with a mounting sleeve 6 in a sliding manner, the inside of the mounting sleeve 6 is connected with a stirring blade 7 in a sliding manner, the surface of the stirring blade 7 is welded with an elastic positioning sleeve 8, hydrogen outlet holes 10 are formed in the stirring blade 7, the mounting sleeve 6 is of a circular ring structure, the stirring blade 7 is of an arc-shaped plate structure, the stirring blade 7 is provided with a plurality of groups, the upper end of the inside of each group of stirring blade 7 is provided with a plurality of groups of hydrogen outlet holes 10, the hydrogen outlet holes 10 are communicated with hydrogen outlet channels 9 on the stirring blade 7, and a small part of hydrogen discharged through the hydrogen outlet channels 9 is discharged through the hydrogen outlet holes 10, so that the hydrogen is uniformly distributed at each part of the bottom of the starch sugar solution, the mixing uniformity of the hydrogen;
referring to fig. 1 and 4, hydrogen outlet channels 9 are arranged inside the stirring blade 7 and the elastic positioning sleeve 8, the elastic positioning sleeve 8 is composed of a hollow isosceles trapezoid elastic block and a hollow rectangular plate, the outer vertical surface of the hollow isosceles trapezoid elastic block is welded on the inner side surface of the hollow rectangular frame, the hollow rectangular plate is welded on the inner side surface of the stirring blade 7, the stirring blade 7 is communicated with the hydrogen outlet channels 9 on the elastic positioning sleeve 8, hydrogen flows along the hydrogen outlet channels 9 on the elastic positioning sleeve 8 and the stirring blade 7 after entering the hydrogen absorption channels 4 and is finally discharged, and the hydrogen flows to the bottom of the starch sugar solution, so that the hydrogen and the starch sugar solution are fully mixed, and the processing efficiency is ensured;
referring to fig. 3, an extrusion ring 11 is welded on the surface of an elastic positioning sleeve 8, an installation chute 12 is arranged inside a hydrogen absorption hole 5, the extrusion ring 11 is connected inside the installation chute 12 in a sliding manner, an extrusion spring 13 is welded on the surface of the extrusion ring 11, the extrusion spring 13 is welded on the inner wall of the installation chute 12, the extrusion ring 11 is of a circular ring structure, the inner wall of the extrusion ring 11 is welded on the surface of a hollow rectangular plate on the elastic positioning sleeve 8, the extrusion spring 13 is welded on the outer side surface of the extrusion ring 11 and the outer side inner wall of the installation chute 12, when a stirring blade 7 is installed, the installation sleeve 6 slides along the surface of a stirring shaft 3 from bottom to top, the elastic positioning sleeve 8 is extruded on the surface of the stirring shaft 3 and the extrusion ring 11 is extruded on the surface of the extrusion spring 13, after the elastic positioning sleeve 8 moves to the outer side of a limiting hole 14, the stirring blade 7 is installed, the structure is simple, and the installation is convenient;
referring to fig. 4, the inside of (mixing) shaft 3 is equipped with spacing hole 14, 8 joints of elastic locating sleeve are in the inside of spacing hole 14, spacing hole 14 sets up and is inhaling hydrogen passageway 4's both sides part lower extreme, it is linked together the setting with spacing hole 14 to inhale hydrogen passageway 4, spacing hole 14 and the upper hollow isosceles trapezoid elastic block phase-match setting of elastic locating sleeve 8, hollow isosceles trapezoid elastic block joint is in the inside of spacing hole 14, when dismantling stirring leaf 7, to lower extreme slidable mounting cover 6, make extrusion ring 11 extrude spring 13 and make elastic locating sleeve 8 break away from spacing hole 14 to the outside, can take off stirring leaf 7 this moment and change, moreover, the steam generator is simple in structure.
The working principle is as follows: before use, the mounting sleeve 6 slides from bottom to top along the surface of the stirring shaft 3, the inclined surface of the elastic positioning sleeve 8 is extruded on the surface of the stirring shaft 3, the extrusion ring 11 moves towards the outer end and is extruded on the surface of the extrusion spring 13, at the moment, the elastic positioning sleeve 8 slides into the hydrogen absorption hole 5, when the elastic positioning sleeve 8 moves to the outer side of the limit hole 14, the extrusion spring 13 resets and stretches to ensure that the elastic positioning sleeve 8 is clamped and fixed in the limit hole 14 to form a relative sealing structure, the mounting of the stirring blade 7 is completed, the structure is simple, the stirring blades 7 with different sizes are convenient to replace, different practical use requirements are met, when starch sugar liquid reacts in the hydrogenation kettle 1, the stirring shaft 3 is driven by the stirring motor 2 to rotate, hydrogen on the liquid level is absorbed into the hydrogen absorption channel 4 on the stirring shaft 3 through the hydrogen absorption hole 5, the hydrogen flows into the hydrogen outlet channel 9 on the elastic positioning sleeve 8 along the hydrogen absorption channel 4 and flows along the hydrogen, finally, the hydrogen is discharged through the hydrogen outlet hole 10 and is contacted with the bottom of the starch sugar solution, the discharged hydrogen is quickly mixed with the starch sugar solution under the stirring action and dissolved in the starch sugar solution, the hydrogenation reaction speed is increased, the catalytic hydrogenation speed is increased, the processing efficiency of sugar alcohol is improved, the pressurizing operation is not needed, and the device is suitable for large-dose processing, simple in structure and suitable for popularization.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A self-suction type circulation low-pressure hydrogenation device for a hydrogenation kettle comprises a hydrogenation kettle (1), and is characterized in that: the surface of the hydrogenation kettle (1) is connected with a stirring motor (2) in a threaded manner, the power output end of the stirring motor (2) is connected with a stirring shaft (3) in a transmission manner, a hydrogen absorption channel (4) is arranged inside the stirring shaft (3), hydrogen absorption holes (5) are formed in the two ends of the hydrogen absorption channel (4), a mounting sleeve (6) is connected to the surface of the stirring shaft (3) in a sliding manner, a stirring blade (7) is connected to the inside of the mounting sleeve (6) in a sliding manner, an elastic positioning sleeve (8) is welded on the surface of the stirring blade (7), hydrogen outlet channels (9) are arranged inside the stirring blade (7) and the elastic positioning sleeve (8), a hydrogen outlet hole (10) is formed in the inside of the stirring blade (7), an extrusion ring (11) is welded on the surface of the elastic positioning sleeve (8), an installation chute (12) is arranged inside the hydrogen absorption holes (5), and the extrusion ring (11) is, and the surface welding of extrusion ring (11) has extrusion spring (13), extrusion spring (13) welding is at the inner wall of installation spout (12), and the inside of (mixing) shaft (3) is equipped with spacing hole (14), and elastic locating sleeve (8) joint is in the inside of spacing hole (14).
2. The self-suction type circulation low-pressure hydrogenation device for the hydrogenation kettle according to claim 1, wherein the stirring motor (2) is screwed in the top middle end of the hydrogenation kettle (1), the hydrogen suction hole (5) is arranged inside the stirring shaft (3), the hydrogen suction hole (5) is arranged at the upper end of the two side parts of the hydrogen suction channel (4), and the hydrogen suction channel (4) is communicated with the hydrogen suction hole (5).
3. The self-suction type circulating low-pressure hydrogenation device for the hydrogenation kettle according to claim 1, wherein the mounting sleeve (6) is of a circular ring structure, the stirring blades (7) are of an arc-shaped plate structure, the stirring blades (7) are provided with a plurality of groups, the upper end inside each group of stirring blades (7) is provided with a plurality of groups of hydrogen outlet holes (10), and the hydrogen outlet holes (10) are communicated with the hydrogen outlet channel (9) on the stirring blades (7).
4. The self-suction type circulation low-pressure hydrogenation device for the hydrogenation kettle according to claim 1, wherein the elastic locating sleeve (8) is composed of a hollow isosceles trapezoid elastic block and a hollow rectangular plate, the outer vertical surface of the hollow isosceles trapezoid elastic block is welded on the inner side surface of the hollow rectangular frame, the hollow rectangular plate is welded on the inner side surface of the stirring blade (7), and the stirring blade (7) is communicated with the hydrogen outlet channel (9) on the elastic locating sleeve (8).
5. The self-suction type circulating low-pressure hydrogenation device for the hydrogenation kettle according to claim 1, wherein the extrusion ring (11) is of a circular ring structure, the inner wall of the extrusion ring (11) is welded on the surface of a hollow rectangular plate on the elastic positioning sleeve (8), and the extrusion spring (13) is welded on the outer side surface of the extrusion ring (11) and the outer side inner wall of the mounting chute (12).
6. The self-suction type circulation low-pressure hydrogenation device for the hydrogenation kettle according to claim 1, wherein the limiting holes (14) are arranged at the lower ends of the two side parts of the hydrogen absorption channel (4), the hydrogen absorption channel (4) is communicated with the limiting holes (14), the limiting holes (14) are matched with hollow isosceles trapezoid elastic blocks on the elastic positioning sleeve (8), and the hollow isosceles trapezoid elastic blocks are clamped inside the limiting holes (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011245202.4A CN112387220A (en) | 2020-11-10 | 2020-11-10 | Self-suction type circulating low-pressure hydrogenation device for hydrogenation kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011245202.4A CN112387220A (en) | 2020-11-10 | 2020-11-10 | Self-suction type circulating low-pressure hydrogenation device for hydrogenation kettle |
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| Publication Number | Publication Date |
|---|---|
| CN112387220A true CN112387220A (en) | 2021-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011245202.4A Pending CN112387220A (en) | 2020-11-10 | 2020-11-10 | Self-suction type circulating low-pressure hydrogenation device for hydrogenation kettle |
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| CN (1) | CN112387220A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002273468A (en) * | 2001-03-16 | 2002-09-24 | Tsurumi Mfg Co Ltd | Underwater air mixer |
| JP2006088155A (en) * | 2005-10-17 | 2006-04-06 | Tekku Kogyo Kk | Gas-liquid mixing impeller |
| CN202921312U (en) * | 2012-11-05 | 2013-05-08 | 浙江诚信医化设备有限公司 | Self-suction stirrer of reaction kettle |
| CN204159326U (en) * | 2014-08-21 | 2015-02-18 | 山东鲁化天九化工有限公司 | A kind of self-absorbing type stirrer of the application in hydriding reactor |
| CN208263722U (en) * | 2018-06-01 | 2018-12-21 | 枣庄市汉森造纸数控设备有限公司 | A kind of crown control calender pressure roller |
| CN208763982U (en) * | 2018-08-20 | 2019-04-19 | 温州北工汽车电器有限公司 | A kind of cooling fan assembly |
| CN110360977A (en) * | 2018-04-11 | 2019-10-22 | 长春理工大学 | A kind of silicon wafer eccentric testing chucking mechanism |
| CN110394126A (en) * | 2019-08-27 | 2019-11-01 | 如皋市涤诺皂业有限公司 | A kind of hydrogenation reaction cauldron |
-
2020
- 2020-11-10 CN CN202011245202.4A patent/CN112387220A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002273468A (en) * | 2001-03-16 | 2002-09-24 | Tsurumi Mfg Co Ltd | Underwater air mixer |
| JP2006088155A (en) * | 2005-10-17 | 2006-04-06 | Tekku Kogyo Kk | Gas-liquid mixing impeller |
| CN202921312U (en) * | 2012-11-05 | 2013-05-08 | 浙江诚信医化设备有限公司 | Self-suction stirrer of reaction kettle |
| CN204159326U (en) * | 2014-08-21 | 2015-02-18 | 山东鲁化天九化工有限公司 | A kind of self-absorbing type stirrer of the application in hydriding reactor |
| CN110360977A (en) * | 2018-04-11 | 2019-10-22 | 长春理工大学 | A kind of silicon wafer eccentric testing chucking mechanism |
| CN208263722U (en) * | 2018-06-01 | 2018-12-21 | 枣庄市汉森造纸数控设备有限公司 | A kind of crown control calender pressure roller |
| CN208763982U (en) * | 2018-08-20 | 2019-04-19 | 温州北工汽车电器有限公司 | A kind of cooling fan assembly |
| CN110394126A (en) * | 2019-08-27 | 2019-11-01 | 如皋市涤诺皂业有限公司 | A kind of hydrogenation reaction cauldron |
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Application publication date: 20210223 |
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