CN211026231U - High-efficiency polymerizer heating mechanism - Google Patents
High-efficiency polymerizer heating mechanism Download PDFInfo
- Publication number
- CN211026231U CN211026231U CN201921338559.XU CN201921338559U CN211026231U CN 211026231 U CN211026231 U CN 211026231U CN 201921338559 U CN201921338559 U CN 201921338559U CN 211026231 U CN211026231 U CN 211026231U
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- Prior art keywords
- kettle body
- heating
- polymerizer
- heating pump
- top cover
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 72
- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 238000001802 infusion Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 9
- 239000010457 zeolite Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 32
- 239000000243 solution Substances 0.000 description 28
- 238000009835 boiling Methods 0.000 description 8
- 238000005485 electric heating Methods 0.000 description 8
- 239000004952 Polyamide Substances 0.000 description 7
- 229920002647 polyamide Polymers 0.000 description 7
- 229910021536 Zeolite Inorganic materials 0.000 description 5
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000003951 lactams Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a high-efficiency polymerizer heating mechanism, in particular to the technical field of chemical industry, which comprises a driving motor, wherein the bottom end of the driving motor is provided with a heating pump, the heating pump and the driving motor are fixed through bolts, and the driving end of the driving motor is sleeved with a blade inside the heating pump; the utility model discloses a transfusion system, including heating pump, infusion mouth, U type ring canal, top cover, one end fixedly connected with drain pipe, the bottom outlet end fixedly connected with top cover of heating pump, and the exit end that the upper surface of top cover is close to the heating pump is equipped with the infusion mouth and the exit end and the infusion mouth flange joint of heating pump, the inside of top cover is equipped with the cavity and one side fixedly connected with U type ring canal that the infusion mouth was kept away from to the bottom surface of top cover, U type ring canal is the annular setting in the bottom of top cover and its afterbody runs through the one end fixedly connected with drain pipe. Compared with the prior art, the utility model, the heating is even and high-efficient in order to improve production efficiency and can practice thrift the electric energy.
Description
Technical Field
The utility model relates to a chemical industry technical field, more specifically say, the utility model relates to a high-effect polymerizer heating mechanism.
Background
Polyamide is a generic term for polymers containing amide groups in the repeating units of the macromolecular main chain. Polyamide can be prepared by ring-opening polymerization of lactam, also can be prepared by polycondensation of diamine and dibasic acid and the like, and no matter which mode is used, a polymerizer is needed in the polyamide processing process, the polymerizer is a container for polymerization reaction in the chemical field, and the main components comprise a kettle body and a heating mechanism.
The polymerizer heating mechanism in the prior art mostly adopts an electric heating pipe or an electric heating sheet to heat the kettle body, the electric heating pipe is mostly inserted into the kettle body to be used, the electric heating sheet is mostly attached to the kettle wall, more electric energy can be wasted in the polyamide processing process, the heating is not uniform, the local temperature is too high, the reaction result can be influenced, and the production efficiency of polyamide is further influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a high-effect polymerizer heating mechanism, cause the heat pump to transmit heat conduction liquid to the internal U type ring inside of cauldron through the inside blade of driving motor drive heat pump and carry out circulation flow and then heat inside solution, U type ring canal and the internal portion annular of cauldron set up and guarantee to heat comparatively evenly, and simultaneously, heat conduction liquid is reappeared after the heating of recirculation once more through the drain pipe discharge and is poured into the inside recirculation of heat pump through the transfer line into, because the better piece that heaies up of the heat conductivity of heat conduction liquid consequently risees the required electric quantity of its temperature less, and then practice thrift the electric energy, compared in prior art, the even and high efficiency of heating is in order to improve production efficiency and.
In order to achieve the above object, the utility model provides a following technical scheme: a heating mechanism of a high-efficiency polymerizer comprises a driving motor, wherein a heating pump is arranged at the bottom end of the driving motor, the heating pump and the driving motor are fixed through bolts, and a driving end of the driving motor is sleeved with blades in the heating pump;
the utility model discloses a transfusion system, including top cover, heating pump, infusion mouth, U type ring canal, one end fixedly connected with drain pipe, the bottom of top cover is close to drain pipe department fixed mounting and is had pressure valve, one side lateral wall of heating pump is equipped with the inlet, and the exit end that the upper surface of top cover is close to the heating pump is equipped with the infusion mouth and the exit end and the infusion mouth flange joint of heating pump, the inside of top cover is equipped with the cavity and one side fixedly connected with U type ring canal that the infusion mouth was kept away from to the bottom surface of top cover, U type ring canal is the annular in the bottom of top cover and sets up and its.
In a preferred embodiment, the bottom end of the top cover is embedded with a kettle body, and a sealing gasket is plugged at the joint of the kettle body and the top cover.
In a preferred embodiment, the bottom end of the kettle body is provided with a material conveying port, and an electromagnetic valve is fixedly arranged on the outer surface of the material conveying port.
In a preferred embodiment, the bottom outer surface of the top cover is fixed with a fixed seat which is sleeved with the U-shaped ring pipe through bolts.
In a preferred embodiment, a plurality of unevenly distributed zeolites are laid inside the kettle body, and the outer surface of the kettle body is sleeved with a jacket.
In a preferred embodiment, the welding of one side lateral wall of driving motor has the mounting panel, and the mounting panel has all seted up a plurality of screw holes along horizontal both sides edge, the mounting panel is close to one side lateral wall bolt fastening of heat pump has the axle sleeve that cup joints mutually with the heat pump.
In a preferred embodiment, the kettle body is internally provided with a heat conducting plate which is cylindrical, and a heat conducting cavity is formed between the heat conducting plate and the inner side wall of the kettle body.
In a preferred embodiment, a sieve plate is welded between one side of the heat-conducting plate close to the bottom end of the kettle body and the inner side wall of the kettle body.
The utility model discloses a technological effect and advantage:
1. the heating pump is driven by the driving motor to drive the blades inside the heating pump to enable the heating pump to transmit heat conduction liquid to the interior of the U-shaped ring pipe inside the kettle body to circularly flow so as to heat internal solution, the U-shaped ring pipe and the kettle body are annularly arranged to ensure uniform heating, meanwhile, the heat conduction liquid is discharged through the liquid outlet pipe, is circularly heated again and then is injected into the heating pump through the liquid conveying pipe to be recycled, and the heat conduction liquid has better heat conductivity, so that the temperature of the heat conduction liquid is raised by the heating block and less electric quantity is needed, and electric energy is saved;
2. constitute the heat conduction chamber between the heat-conducting plate that sets up through the internal portion of cauldron and the inside wall of the cauldron body, be close to the boiling state at solution, the hot motion aggravation of molecule, the solution that upwards erupts can pour into heat conduction intracavity portion through the heat-conducting plate and flow back to cauldron body bottom again through the sieve, can reduce solution overflow contact top cap that makes progress to a certain extent, the direct contact with the cauldron wall of the reducible high temperature solution of formation in heat conduction chamber leads to the temperature to run off simultaneously, and simultaneously, the clamp cover that outside set up has certain heat preservation effect to the cauldron body, compare in prior art, it is better to keep warm the effect, the effect that prevents the solution boiling is.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is an internal cross-sectional view of the present invention.
Fig. 3 is a perspective view of the mounting plate of the present invention.
Fig. 4 is an enlarged view of the structure of fig. 2A according to the present invention.
Fig. 5 is an enlarged view of the structure of fig. 2B according to the present invention.
The reference signs are: 1. a drive motor; 2. a heat pump; 3. a kettle body; 4. a material conveying port; 5. a jacket; 6. mounting a plate; 7. an infusion port; 8. a top cover; 9. a U-shaped ring pipe; 10. a fixed seat; 11. a liquid outlet pipe; 12. a liquid inlet; 13. a pressure valve; 14. a zeolite; 15. a threaded hole; 16. a heat conducting plate; 17. a gasket; 18. and (4) a sieve plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a high-efficiency polymerizer heating mechanism as shown in figures 1-2, which comprises a driving motor 1, wherein a heating pump 2 is arranged at the bottom end of the driving motor 1, the heating pump 2 is fixed with the driving motor 1 through bolts, and the driving end of the driving motor 1 is sleeved with blades inside the heating pump 2;
a top cover 8 is fixedly connected to the outlet end of the bottom end of the heating pump 2, an infusion port 7 is arranged on the upper surface of the top cover 8, which is close to the outlet end of the heating pump 2, and the outlet end of the heating pump 2 is in flange connection with the infusion port 7, a cavity is arranged inside the top cover 8, a U-shaped ring pipe 9 is fixedly connected to one side, which is far away from the infusion port 7, of the outer surface of the bottom of the top cover 8, the U-shaped ring pipe 9 is annularly arranged at the bottom of the top cover 8, a liquid outlet pipe 11 is fixedly connected to one end, which penetrates through the top cover 8, of the tail part of the U-shaped ring pipe 9, a pressure valve 13 is;
the bottom end of the top cover 8 is embedded with the kettle body 3, and a sealing gasket 17 is additionally plugged at the joint of the kettle body 3 and the top cover 8;
a material conveying port 4 is formed in the bottom end of the kettle body 3, and an electromagnetic valve is fixedly installed on the outer surface of the material conveying port 4;
and a fixed seat 10 which is sleeved with the U-shaped ring pipe 9 is fixed on the outer surface of the bottom of the top cover 8 through bolts.
The implementation mode is specifically as follows: firstly, reaction raw and auxiliary materials enter the interior of the kettle body 3 through the material conveying port 4, and meanwhile, the top end of the kettle body 3 is embedded with the top cover 8 through the sealing gasket 17, so that the sealing performance is ensured;
then, the driving motor 1 is started, as the driving end of the driving motor 1 is sleeved with the blade inside the heating pump 2, the blades inside the heating pump 2 rotate under the driving of the driving motor 1, a liquid conveying pipe is externally connected at the liquid inlet 12 of the heating pump 2, heat-conducting liquid with higher temperature is introduced into the liquid conveying pipe, and is conveyed to the bottom end of the heating pump 2 through the rotation of blades in the heating pump 2, enters a cavity in the top cover 8 through the transfusion port 7 and is injected into a U-shaped ring pipe 9 in the kettle body 3 for circulating flow, the solution in the kettle body 3 can be heated due to the higher temperature of the heat-conducting liquid, the U-shaped ring pipe 9 is annularly arranged in the kettle body 3, so that the solution is heated more uniformly, the problem of local overheating is not easy to cause, meanwhile, the pressure valve 13 on the top cover 8 can perform timing pressure relief according to the internal pressure condition of the kettle body 3, so that the problems of explosion and the like caused by too high internal pressure of the kettle body 3 are solved;
finally, heat conduction liquid and the cauldron body 3 inside U type ring pipe 9 internal recycle back through drain pipe 11 discharge through the inside recirculation heating after reappearing through the transfer line injection heat pump 2 inside recirculation, because the better piece that heaies up of the thermal conductivity of heat conduction liquid consequently it is less to rise the required electric quantity of its temperature, and then practice thrift the electric energy, this kind of embodiment has specifically solved the most adoption electric heating pipe or electric heating piece of polymerizer heating mechanism among the prior art and has heated cauldron body 3, electric heating pipe inserts mostly and establishes 3 inside uses of cauldron body and the most attached cauldron walls of electric heating piece, can waste more electric energy and heat not enough evenly simultaneously in the polyamide processing process, local temperature is high enough to influence the reaction result and then influences the problem of the production efficiency of polyamide.
The utility model provides a high-effect polymerizer heating mechanism as shown in figures 3-5, a plurality of unevenly distributed zeolite 14 is laid in the kettle body 3, and the outer surface cover of the kettle body 3 is provided with a jacket 5
The outer side wall of one side of the driving motor 1 is welded with a mounting plate 6, a plurality of threaded holes 15 are formed in the edges of two sides of the mounting plate 6 along the transverse direction, and a shaft sleeve which is sleeved with the heating pump 2 is fixed on the outer side wall of one side, close to the heating pump 2, of the mounting plate 6 through bolts;
a heat conducting plate 16 which is cylindrical is arranged in the kettle body 3, and a heat conducting cavity is formed between the heat conducting plate 16 and the inner side wall of the kettle body 3;
a sieve plate 18 is welded between one side of the heat conducting plate 16 close to the bottom end of the kettle body 3 and the inner side wall of the kettle body 3.
The implementation mode is specifically as follows: zeolite 14 is placed in the kettle body 3 in advance, heat-conducting liquid is transmitted by the heating pump 2 and flows in the kettle body 3 through the U-shaped ring pipe 9 to heat the internal solution, the boiling condition of the solution is easy to occur when the solution is heated to the boiling temperature, the zeolite 14 can reduce the bumping of the solution, meanwhile, a heat-conducting cavity is formed between a heat-conducting plate 16 arranged in the kettle body 3 and the inner side wall of the kettle body 3, when the solution is close to the boiling state, the molecular thermal motion is intensified, the upward overflow of the solution can cause the connection tightness between the top cover 8 and the kettle body 3, at the moment, because of the arranged heat-conducting plate 16, the solution sprayed upwards can be injected into the heat-conducting cavity through the heat-conducting plate 16 and reflows to the bottom of the kettle body 3 through the sieve plate 18, the upward overflow of the solution can be reduced to a certain degree to contact the top cover 8, simultaneously, the outside jacket 5 that sets up has certain heat preservation effect to the cauldron body 3, and this kind of embodiment has specifically solved the vertical greening waterscape device among the prior art and has easily caused water loss and awkward problem.
The utility model discloses the theory of operation:
referring to the attached drawings 1-2 of the specification, a driving motor 1 is turned on, a blade inside a heating pump 2 rotates under the driving of the driving motor 1, a liquid conveying pipe is externally connected to a liquid inlet 12 of the heating pump 2, heat-conducting liquid with higher temperature is introduced into the liquid conveying pipe and is conveyed to the bottom end of the heating pump 2 through the rotation of the blade inside the heating pump 2, the liquid enters a cavity inside a top cover 8 through a liquid conveying opening 7 and is injected into a U-shaped ring pipe 9 inside a kettle body 3 to circularly flow, the solution inside the kettle body 3 can be heated due to the higher temperature of the heat-conducting liquid, the U-shaped ring pipe 9 is annularly arranged inside the kettle body 3 to uniformly heat the solution, the problem of local overheating is not easily caused, the heat-conducting liquid and the liquid conveying pipe 9 inside the kettle body 3 are circularly heated again after being discharged through a liquid outlet pipe 11, and then are circularly heated, the heat conducting liquid has better heat conductivity, so that the temperature of the heating block is increased by less electric quantity, and the electric energy is saved;
referring to the attached drawings 3-5 of the specification, the heat conducting liquid is transmitted by the heating pump 2 and flows in the internal circulation of the kettle body 3 through the U-shaped ring pipe 9 to heat the internal solution, the boiling condition of the solution is easy to occur when the solution is heated to the boiling temperature, the bumping of the solution can be reduced by the zeolite 14, meanwhile, a heat conducting cavity is formed between the heat conducting plate 16 arranged in the kettle body 3 and the inner side wall of the kettle body 3, the solution is close to the boiling state, the molecular heat movement is intensified, at the moment, the upward sprayed solution can be injected into the heat conducting cavity through the heat conducting plate 16 and reflows to the bottom of the kettle body 3 through the sieve plate 18, the upward overflow of the solution can be reduced to a certain degree to contact the top cover 8, meanwhile, the direct contact of the high-temperature solution with the kettle wall can be reduced by the formation of.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A high-performance polymerizer heating mechanism comprises a driving motor (1), and is characterized in that: the bottom end of the driving motor (1) is provided with a heating pump (2), the heating pump (2) is fixed with the driving motor (1) through bolts, and the driving end of the driving motor (1) is sleeved with blades inside the heating pump (2);
the utility model discloses a transfusion system, including heating pump (2), the exit end of heating pump (2) is equipped with infusion mouth (7) and the exit end and the infusion mouth (7) flange joint of heating pump (2), and the exit end that the upper surface of top cap (8) is close to heating pump (2), the inside of top cap (8) is equipped with the cavity and one side fixedly connected with U type ring canal (9) of infusion mouth (7) are kept away from to the bottom surface of top cap (8), U type ring canal (9) are the annular in the bottom of top cap (8) and set up and its afterbody runs through one end fixedly connected with drain pipe (11) of top cap (8), the upper surface of top cap (8) is close to drain pipe (11) and locates fixed mounting have pressure valve (13), one side lateral wall of heating pump (2) is equipped with inlet (12).
2. The high performance polymerizer heating mechanism of claim 1, wherein: the bottom end of the top cover (8) is embedded with the kettle body (3), and a sealing gasket (17) is additionally plugged at the joint of the kettle body (3) and the top cover (8).
3. The high performance polymerizer heating mechanism of claim 2, wherein: the bottom of the kettle body (3) is provided with a material conveying opening (4) and an electromagnetic valve is fixedly arranged on the outer surface of the material conveying opening (4).
4. The heating mechanism of an high performance polymerizer as claimed in claim 1, wherein: and a fixed seat (10) which is sleeved with the U-shaped ring pipe (9) is fixed on the outer surface of the bottom of the top cover (8) through bolts.
5. The high performance polymerizer heating mechanism of claim 2, wherein: a plurality of unevenly distributed zeolites (14) are laid in the kettle body (3), and a jacket (5) is sleeved on the outer surface of the kettle body (3).
6. The high performance polymerizer heating mechanism of claim 1, wherein: one side lateral wall welding of driving motor (1) has mounting panel (6), and mounting panel (6) have all seted up a plurality of screw holes (15) along horizontal both sides edge, one side lateral wall bolt fastening that mounting panel (6) are close to heat pump (2) has the axle sleeve that cup joints mutually with heat pump (2).
7. The high performance polymerizer heating mechanism of claim 2, wherein: the inside of the kettle body (3) is provided with a heat conducting plate (16) which is cylindrical in shape, and a heat conducting cavity is formed between the heat conducting plate (16) and the inner side wall of the kettle body (3).
8. The high performance polymerizer heating mechanism of claim 7, wherein: a sieve plate (18) is welded between one side of the heat conducting plate (16) close to the bottom end of the kettle body (3) and the inner side wall of the kettle body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921338559.XU CN211026231U (en) | 2019-08-19 | 2019-08-19 | High-efficiency polymerizer heating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921338559.XU CN211026231U (en) | 2019-08-19 | 2019-08-19 | High-efficiency polymerizer heating mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN211026231U true CN211026231U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921338559.XU Active CN211026231U (en) | 2019-08-19 | 2019-08-19 | High-efficiency polymerizer heating mechanism |
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| Country | Link |
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| CN (1) | CN211026231U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112108097A (en) * | 2020-09-10 | 2020-12-22 | 军事科学院系统工程研究院军需工程技术研究所 | Novel tubular tackifying equipment |
-
2019
- 2019-08-19 CN CN201921338559.XU patent/CN211026231U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112108097A (en) * | 2020-09-10 | 2020-12-22 | 军事科学院系统工程研究院军需工程技术研究所 | Novel tubular tackifying equipment |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high-efficiency heating mechanism for aggregators Effective date of registration: 20231221 Granted publication date: 20200717 Pledgee: Zhenjiang Yitongda Cross border Trade Service Co.,Ltd. Pledgor: JIANGSU RUIMEIFU NEW MATERIAL CO.,LTD. Registration number: Y2023980073238 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |