CN217212381U - Geopolymer concrete hydration heat testing arrangement - Google Patents
Geopolymer concrete hydration heat testing arrangement Download PDFInfo
- Publication number
- CN217212381U CN217212381U CN202220373453.9U CN202220373453U CN217212381U CN 217212381 U CN217212381 U CN 217212381U CN 202220373453 U CN202220373453 U CN 202220373453U CN 217212381 U CN217212381 U CN 217212381U
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- Prior art keywords
- material tank
- stirring
- geopolymer concrete
- hydration heat
- heating layer
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 230000036571 hydration Effects 0.000 title claims abstract description 25
- 238000006703 hydration reaction Methods 0.000 title claims abstract description 25
- 229920003041 geopolymer cement Polymers 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 70
- 238000003756 stirring Methods 0.000 claims abstract description 57
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 238000004321 preservation Methods 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000005485 electric heating Methods 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 3
- 239000011496 polyurethane foam Substances 0.000 claims description 3
- 238000009529 body temperature measurement Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000005570 vertical transmission Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model discloses a geopolymer concrete hydration heat testing arrangement, the box is inside to be provided with the material jar, and material jar middle part rotates to be connected with the (mixing) shaft, fixedly is provided with a plurality of groups of fixed plates on the material jar inner wall, and the fixed plate is inside to be provided with the temperature measurement piece; a heating layer is fixedly arranged outside the material tank, a heat preservation layer wraps the heating layer, and one side, away from the heating layer, of the heat preservation layer is fixedly connected with the inner wall of the box body; one side of the top of the material tank is communicated with a feed hopper, and a stirring rod is arranged in the feed hopper; the driving mechanism is connected with the stirring rod in a transmission way and is also connected with the stirring shaft in a transmission way; a discharge pipe is arranged at the bottom of the material tank, and one end of the discharge pipe, which is far away from the material tank, is communicated with the outside; an exhaust valve is arranged on the outer side of the top of the heating layer and communicated with the material tank. The utility model provides a temperature indefinite, the inhomogeneous problem of stirring, simple structure is reasonable, and convenient to use has realized temperature one end, and the stirring, the test is accurate, has improved work efficiency and quality.
Description
Technical Field
The utility model relates to a survey technical field, especially relate to a geopolymer concrete hydration heat testing arrangement.
Background
The hydration heat is generated by the hydration of geopolymer concrete, and for a structure with a larger size, the heat generated by the hydration of the geopolymer concrete is not easy to dissipate, the internal temperature rises, and the temperature difference between the internal temperature and the surface of the structure is too large, so that a larger temperature stress is generated to cause cracks, therefore, for large-size concrete engineering such as a large foundation and a dam, the hydration heat is a quite important property of the geopolymer concrete, the quantity of the hydration heat is different due to different aggregates and proportions in actual operation, and a small amount of tests are needed to calculate to further deduce the hydration heat of the large-size concrete, and the hydration heat is provided according to the Gersts' law of thermochemistry, namely, the heat effect of chemical reaction is only related to the initial state and the final state of a system and is unrelated to the path of the reaction. Under the condition of a certain ambient temperature of a calorimeter, unhydrated geopolymer concrete and hydrated geopolymer concrete of a certain age are respectively dissolved in standard acid with a certain concentration, and the difference of the dissolution heat is measured to obtain the hydration released by the geopolymer concrete in a specified age. The existing hydration heat tester in the current market has the disadvantages of complex structure, inconvenient use and poor heat preservation effect, so that the test can not be carried out under the condition of certain ambient temperature, and in the test process, the geopolymer concrete and water are not uniformly stirred, so that the test result error is very large, and the working efficiency and the quality are seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a geopolymer concrete hydration heat testing arrangement to solve the problem that above-mentioned prior art exists.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a geopolymer concrete hydration heat testing arrangement, the power distribution box comprises a box body, the inside of box body is provided with the material jar, the middle part of the material jar rotates and is connected with the (mixing) shaft, a plurality of groups of fixed plates are fixedly arranged on the inner wall of the material jar, the inside of the fixed plate is provided with the temperature measuring sheet; a heating layer is fixedly arranged outside the material tank, a heat preservation layer wraps the heating layer, and one side, away from the heating layer, of the heat preservation layer is fixedly connected with the inner wall of the box body; a feed hopper is communicated with one side of the top of the material tank, and a stirring rod is arranged in the feed hopper; the driving mechanism is connected with the stirring rod in a transmission manner and is also connected with the stirring shaft in a transmission manner; a discharge pipe is arranged at the bottom of the material tank, and one end of the discharge pipe, which is far away from the material tank, is communicated with the outside; an exhaust valve is arranged on the outer side of the top of the heating layer and communicated with the material tank.
Preferably, the stirring shaft comprises a rotating shaft and a plurality of groups of stirring sheets fixedly connected with the rotating shaft; one end of the upper side of the rotating shaft penetrates through the top wall of the material tank and is rotatably connected with the top of the material tank; the material tank is characterized in that one end of the rotating shaft, which is positioned outside the material tank, is connected with a first conical gear in a shaft mode, the first conical gear is vertically meshed with a second conical gear, and the second conical gear is in transmission connection with the driving mechanism.
Preferably, actuating mechanism includes driving motor, driving motor's output shaft with second bevel gear coupling, it has first drive gear to go back the coupling on driving motor's the output shaft, first drive gear meshing has second drive gear, second drive gear meshing has third drive gear, third drive gear coupling has the dwang, the dwang is kept away from third drive gear's one end is run through the lateral wall of feeder hopper and with the puddler rotates to be connected.
Preferably, the stirring rod comprises a vertical rod and a plurality of groups of transverse rods fixedly connected with the vertical rod, and the bottom of the vertical rod is coupled with a turbine; the dwang is the worm, the turbine with worm intermeshing.
Preferably, a first control valve is arranged on a pipeline communicated with the feed hopper and the material tank, and a handle of the first control valve is positioned on the outer side of the box body.
Preferably, discharge valve includes the valve body, the inside in-connection that slides of valve body has the push pedal, the push rod with the fixed spring that is provided with between the inboard upper wall of valve body, middle part one side of valve body is provided with the blast pipe, the blast pipe is kept away from the one end of valve body runs through the lateral wall of box and communicates with the external world.
Preferably, the fixed plate and the stirring sheet are arranged in a staggered manner, and the fixed plate is an aluminum plate.
Preferably, the discharge pipe is provided with a second control valve.
Preferably, any one of an electric heating wire or an electric heating rod is arranged inside the heating layer, and the insulating layer is made of a polyurethane foam plate.
The utility model discloses a following technological effect:
(1) the utility model discloses set up the heat preservation in the zone of heating outside, wrap up the material jar in the zone of heating and the inside of heat preservation, it is effectual to keep warm, and the programming rate is fast moreover, is convenient for test under the certain condition of temperature, has effectively avoided the error, has improved the test accuracy;
(2) the utility model can simultaneously stir at different speeds by driving the stirring rod and the stirring shaft by a group of motors, and the fixed temperature measuring sheet is arranged in the material tank, so that the temperature at different time and different depth can be accurately tested while stirring is facilitated; and fixed plate and stirring piece up-down staggered arrangement have reached the effect of stirring, simple structure, and convenient to use has realized the stirring, has effectively avoided the error, has improved the test accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a schematic view of the internal structure of the testing device of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic view of the structure of the exhaust valve of the present invention;
wherein: 1. a box body; 2. a heat-insulating layer; 3. a heating layer; 4. a material tank; 5. a rotating shaft; 6. a discharge pipe; 7. a second control valve; 8. a fixing plate; 9. a temperature measuring sheet; 10. a stirring sheet; 11. an exhaust valve; 12. a first control valve; 13. a feed hopper; 14. a stirring rod; 15. rotating the rod; 16. a third transmission gear; 17. a second transmission gear; 18. a first drive gear; 19. a drive motor; 20. a valve body; 21. a spring; 22. pushing the plate; 23. an exhaust pipe; 24. an output shaft; 25. a first bevel gear; 26. a second bevel gear.
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.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1-3, the utility model provides a geopolymer concrete hydration heat testing device, which comprises a box body 1, wherein a material tank 4 is arranged in the box body 1, the middle part of the material tank 4 is rotatably connected with a stirring shaft, a plurality of groups of fixed plates 8 are fixedly arranged on the inner wall of the material tank 4, and a temperature measuring sheet 9 is arranged in each fixed plate 8; a heating layer 3 is fixedly arranged outside the material tank 4, a heat preservation layer 2 wraps the heating layer 3, and one side, away from the heating layer 3, of the heat preservation layer 2 is fixedly connected with the inner wall of the box body 1; a feed hopper 13 is communicated with one side of the top of the material tank 4, and a stirring rod 14 is arranged inside the feed hopper 13; the driving mechanism is connected with the stirring rod 14 in a transmission way and is also connected with the stirring shaft in a transmission way; a discharge pipe 6 is arranged at the bottom of the material tank 4, and one end of the discharge pipe 6, which is far away from the material tank 4, is communicated with the outside; the discharge pipe 6 is provided with a second control valve 7; an exhaust valve 11 is arranged on the outer side of the top of the heating layer 3, and the exhaust valve 11 is communicated with the material tank 4. The utility model discloses set up heat preservation 2 outside zone of heating 3, wrap up material jar 4 in zone of heating 3 and heat preservation 2's inside, it is effectual to keep warm, and the programming rate is fast moreover, is convenient for test under the certain condition of temperature, has effectively avoided the error, has improved the test accuracy; the utility model drives the stirring rod 14 and the stirring shaft to stir at different speeds simultaneously through a group of motors, and the fixed temperature measuring sheet 9 is arranged inside the material tank 4, so that the temperature at different time and different depth can be accurately tested while stirring is facilitated; and fixed plate 8 and stirring piece 10 staggered arrangement from top to bottom have reached the effect of stirring, simple structure, and convenient to use has realized the stirring, has effectively avoided the error, has improved the test accuracy.
The stirring shaft comprises a rotating shaft 5 and a plurality of groups of stirring blades 10 fixedly connected with the rotating shaft 5; one end of the upper side of the rotating shaft 5 penetrates through the top wall of the material tank 4 to be arranged, and the rotating shaft 5 is rotatably connected with the top of the material tank 4; one end of the rotating shaft 5, which is positioned outside the material tank 4, is connected with a first conical gear 25 in a shaft mode, the first conical gear 25 is vertically meshed with a second conical gear 26, and the second conical gear 26 is in transmission connection with a driving mechanism; the (mixing) shaft can be with material misce bene, stirs piece 10 and the mutual staggered arrangement of fixed plate 8 moreover, not only stirs evenly, can make the temperature of the different degree of depth, different time points of the inside temperature measurement piece 9 of fixed plate 8 survey moreover, helps the staff to draw dynamic temperature change test chart, improves the accuracy of test result.
The driving mechanism comprises a driving motor 19, an output shaft 24 of the driving motor 19 is coupled with a second bevel gear 26, a first transmission gear 18 is further coupled to the output shaft 24 of the driving motor 19, the first transmission gear 18 is meshed with a second transmission gear 17, the second transmission gear 17 is meshed with a third transmission gear 16, the third transmission gear 16 is coupled with a rotating rod 15, and one end, far away from the third transmission gear 16, of the rotating rod 15 penetrates through the side wall of the feeding hopper and is rotatably connected with the stirring rod 14; the device can realize synchronous rotation of the stirring shaft and the stirring rod 14 at different speeds through a group of driving motors 19, and is favorable for enhancing the stirring effect on materials; different rotating speeds can be changed by replacing different gears, and the practicability and flexibility of the device are improved.
The stirring rod 14 comprises a vertical rod and a plurality of groups of transverse rods fixedly connected with the vertical rod, and the bottom of the vertical rod is connected with a turbine in a shaft mode; the rotating rod 15 is a worm, and the worm are meshed with each other; the worm gear can realize vertical transmission, and the worm of the device is rotationally connected with the side wall of the feed hopper 13.
A first control valve 12 is arranged on a pipeline of the feed hopper 13 communicated with the material tank 4, and a handle of the first control valve 12 is positioned outside the box body 1; the 12 doors of the first control valve can close the pipeline only by rotating a certain angle acute angle, and the handle is arranged outside the box body 1, so that the control of workers is facilitated, and the operation steps are simplified.
The exhaust valve 11 comprises a valve body 20, a push plate 22 is connected in the valve body 20 in a sliding manner, a spring 21 is fixedly arranged between the push rod and the upper wall of the inner side of the valve body 20, an exhaust pipe 23 is arranged on one side of the middle part of the valve body 20, and one end, far away from the valve body 20, of the exhaust pipe 23 penetrates through the side wall of the box body 1 and is communicated with the outside; the exhaust valve 11 mainly prevents the pressure of the gas in the material tank 4 from being too high, so that the possibility of explosion is avoided, and the pressure in the material tank 4 is ensured to be constant by timely exhausting the gas in the material tank 4.
The fixed plate 8 and the stirring sheet 10 are arranged in a staggered way, and the fixed plate 8 is an aluminum plate; the aluminum plate has good heat-conducting property, and the temperature measuring sheet 9 can measure temperature accurately.
Any one of an electric heating wire or an electric heating rod is arranged in the heating layer 3, and the insulating layer 2 is made of a polyurethane foam plate; the heating layer 3 is opened only when the test is needed, and plays a role in heat preservation at ordinary times.
The working process is as follows: in practical use, the driving motor 19 is firstly started, the driving motor 19 transmits power to the second bevel gear 26 through the output shaft 24, and the power of the driving motor 19 is transmitted to the rotating shaft 5 due to the mutual meshing of the second bevel gear 26 and the first bevel gear 25, so that the rotating shaft 5 rotates to drive the stirring blades 10 to rotate; while the driving motor 19 drives the stirring shaft to rotate, the power of the driving motor 19 sequentially passes through the first transmission gear 18, the second transmission gear 17 and the third transmission gear 16, and is transmitted to the worm, so that the rotating worm drives the worm wheel to rotate, and further drives the stirring rod 14 to rotate.
The method comprises the following steps that a material to be tested is placed from the upper part of a feed hopper 13, the material enters a material tank 4 after preliminary stirring of a stirring rod 14, when the material in the material reaches a proper testing dosage, a first control valve 12 is manually closed, at the moment, temperature measurement in a fixed plate 8 can measure the temperature of the material at different depths and different times in real time while stirring is carried out by a stirring shaft, and the real-time temperature sending mode is the prior art; after the test is finished, the second control valve 7 is opened, and the materials can be discharged through the discharge pipe 6.
When the heat of the material released in the material tank 4 is extremely high, the air in the material tank 4 can be rapidly collided and expanded, for example, the material tank 4 is prevented from exploding, the push plate 22 in the exhaust valve 11 compresses the spring 21 to slide, when the exhaust pipe 23 is exposed, the air in the material tank 4 can be discharged, and when the pressure in the material tank 4 is stable, the push plate 22 moves downwards to block the outlet again.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (9)
1. The geopolymer concrete hydration heat testing device is characterized in that: the material tank is characterized by comprising a tank body (1), wherein a material tank (4) is arranged in the tank body (1), the middle part of the material tank (4) is rotatably connected with a stirring shaft, a plurality of groups of fixing plates (8) are fixedly arranged on the inner wall of the material tank (4), and temperature measuring sheets (9) are arranged in the fixing plates (8); a heating layer (3) is fixedly arranged outside the material tank (4), a heat-insulating layer (2) is wrapped outside the heating layer (3), and one side, far away from the heating layer (3), of the heat-insulating layer (2) is fixedly connected with the inner wall of the box body (1); a feed hopper (13) is communicated with one side of the top of the material tank (4), and a stirring rod (14) is arranged in the feed hopper (13); the stirring rod (14) is in transmission connection with a driving mechanism, and the driving mechanism is also in transmission connection with the stirring shaft; a discharge pipe (6) is arranged at the bottom of the material tank (4), and one end, far away from the material tank (4), of the discharge pipe (6) is communicated with the outside; an exhaust valve (11) is arranged on the outer side of the top of the heating layer (3), and the exhaust valve (11) is communicated with the material tank (4).
2. The geopolymer concrete hydration heat test apparatus of claim 1, wherein: the stirring shaft comprises a rotating shaft (5) and a plurality of groups of stirring blades (10) fixedly connected with the rotating shaft (5); the top end of the rotating shaft (5) penetrates through the top wall of the material tank (4) and is rotatably connected with the top wall of the material tank (4); the material tank is characterized in that one end, located outside the material tank (4), of the rotating shaft (5) is fixedly connected with a first bevel gear (25), the first bevel gear (25) is vertically meshed with a second bevel gear (26), and the second bevel gear (26) is in transmission connection with the driving mechanism.
3. The geopolymer concrete hydration heat test apparatus of claim 2, wherein: actuating mechanism includes driving motor (19), output shaft (24) of driving motor (19) with second bevel gear (26) rigid coupling, it has first drive gear (18) still to connect by axle on output shaft (24) of driving motor (19), first drive gear (18) meshing has second drive gear (17), second drive gear (17) meshing has third drive gear (16), third drive gear (16) hub connection has dwang (15), dwang (15) are kept away from the one end of third drive gear (16) is run through the lateral wall of feeder hopper (13) and with puddler (14) rotate and are connected.
4. The geopolymer concrete hydration heat test apparatus of claim 3, wherein: the stirring rod (14) comprises a vertical rod and a plurality of groups of transverse rods fixedly connected with the vertical rod, and the bottom of the vertical rod is connected with a worm wheel in a shaft mode; dwang (15) are the worm, the worm wheel with dwang (15) intermeshing.
5. The geopolymer concrete hydration heat test apparatus of claim 1, wherein: the feeding hopper (13) and the material tank (4) are communicated with each other through a pipeline, a first control valve (12) is arranged on the pipeline, and a handle of the first control valve (12) is located on the outer side of the box body (1).
6. The geopolymer concrete hydration heat test apparatus of claim 1, wherein: discharge valve (11) include valve body (20), valve body (20) inside slip in-connection has push pedal (22), push pedal (22) with fixed spring (21) that are provided with between valve body (20) the inboard upper wall, middle part one side of valve body (20) is provided with blast pipe (23), blast pipe (23) are kept away from the one end of valve body (20) is run through the lateral wall of box (1) and communicates with the external world.
7. The geopolymer concrete hydration heat test apparatus of claim 2, wherein: the fixed plate (8) and the stirring sheet (10) are arranged in a staggered mode, and the fixed plate (8) is an aluminum plate.
8. The geopolymer concrete hydration heat test apparatus of claim 1, wherein: the discharge pipe (6) is provided with a second control valve (7).
9. The geopolymer concrete hydration heat test apparatus of claim 1, wherein: heating wire or electric heating rod are arranged inside the heating layer (3), and the heat preservation layer (2) is made of polyurethane foam board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220373453.9U CN217212381U (en) | 2022-02-23 | 2022-02-23 | Geopolymer concrete hydration heat testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220373453.9U CN217212381U (en) | 2022-02-23 | 2022-02-23 | Geopolymer concrete hydration heat testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217212381U true CN217212381U (en) | 2022-08-16 |
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ID=82798813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220373453.9U Expired - Fee Related CN217212381U (en) | 2022-02-23 | 2022-02-23 | Geopolymer concrete hydration heat testing arrangement |
Country Status (1)
| Country | Link |
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| CN (1) | CN217212381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115155444A (en) * | 2022-09-07 | 2022-10-11 | 扬州科悦新材料科技有限公司 | High-insulation high-temperature adhesive with waterproof structure and preparation process thereof |
-
2022
- 2022-02-23 CN CN202220373453.9U patent/CN217212381U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115155444A (en) * | 2022-09-07 | 2022-10-11 | 扬州科悦新材料科技有限公司 | High-insulation high-temperature adhesive with waterproof structure and preparation process thereof |
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