CN115028408A - High-strength cement adhesive for cylindrical head product - Google Patents
High-strength cement adhesive for cylindrical head product Download PDFInfo
- Publication number
- CN115028408A CN115028408A CN202210601932.6A CN202210601932A CN115028408A CN 115028408 A CN115028408 A CN 115028408A CN 202210601932 A CN202210601932 A CN 202210601932A CN 115028408 A CN115028408 A CN 115028408A
- Authority
- CN
- China
- Prior art keywords
- adhesive
- cement
- parts
- cylindrical head
- water
- Prior art date
- 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.)
- Pending
Links
- 239000004568 cement Substances 0.000 title claims abstract description 60
- 239000000853 adhesive Substances 0.000 title claims abstract description 54
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000003756 stirring Methods 0.000 claims abstract description 21
- 239000006004 Quartz sand Substances 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000654 additive Substances 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 16
- 230000000996 additive effect Effects 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 235000013312 flour Nutrition 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims 6
- 238000000034 method Methods 0.000 abstract description 15
- 239000012212 insulator Substances 0.000 abstract description 11
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract 1
- 229910052573 porcelain Inorganic materials 0.000 description 9
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000011398 Portland cement Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000715 Mucilage Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 150000002790 naphthalenes Chemical class 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00637—Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural materials
- C04B2111/00646—Masonry mortars
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a high-strength cement adhesive for a cylindrical head product, which comprises the following raw materials in parts by weight: 1-10 parts of cement; 0.6-1.5 parts of quartz sand; 0.18-0.27 part of water; 0.043-0.052 parts of additive; 0.006-0.015 part of modified fiber. The method comprises the following steps: s1: sequentially putting cement, quartz sand and modified fiber into a stirrer, and stirring to ensure uniform stirring; s2: the stirring time is 4-8 minutes; s3: then the water and the additive are put into the stirrer and stirred again for 5 to 8 minutes; s4: taking a small amount of prepared adhesive in S3, placing the adhesive in a curing box at 40-55 ℃ for steam curing with the humidity of 95-99% for 2-5h after the adhesive is formed; s5: and (3) demolding the adhesive sample in the S4, and placing the demolded sample in hot water with the water temperature of 40-55 ℃ for curing. The problem of loosening of steel feet is solved by adjusting the formula; the problems of peeling and cracking of the cement surface of the steel leg of the insulator are avoided; the compressive strength is improved by more than 30-50 percent; the temperature range of the use environment is wider than before.
Description
Technical Field
The invention relates to the technical field of electromagnetic insulators, in particular to a high-strength cement adhesive for a cylindrical head product.
Background
With the rapid development of domestic power industry, large-span, long-distance and ultrahigh-voltage power transmission is rapidly popularized, and correspondingly, stricter requirements are also put forward on electric porcelain products. The cement adhesive in the electric porcelain product plays the organization and connection roles of the whole structure and is the weakest link in the electric porcelain product, and the production of the insulator needs to use a large amount of adhesive, so the quality of the insulator is directly related to the performance, the service life and the reliability of the insulator, the strength and the performance of the cement adhesive are improved, and the electric porcelain product has extremely important effect on improving the overall performance of the electric porcelain product.
With the development and improvement of insulator production technology, the relation between the performance of the cement and the quality of the insulator is further known in recent years, and the cement and raw materials thereof are increasingly emphasized, and are particularly applied to cementing of high-tonnage suspension porcelain insulators. The electric porcelain product of high performance requires that the cement adhesive of high performance carries out the mucilage binding, though Portland cement is long-term in the electric porcelain trade application, and experience in use is very abundant, but prior art's insulator adhesive: the method comprises the steps of adding a naphthalene series water reducing agent into ordinary portland cement PO52.5 and quartz sand in a ratio of 1:0.4, wherein the water-cement ratio is 0.28-0.32, and the compressive strength for 3 days is 35-40MPa, 7 days is 45-50 MPa; at present, cement cements of China first-class manufacturers and Suzhou electric porcelain manufacturers cannot reach the compressive strength of cements of the companies, the use cost is more than 1 time higher than that of the cements of the companies, and the used cement must be imported Japanese and Xiao Ye Tian cement. 1. The steel feet of the insulator are easy to loosen, the cement surface cracks and peels, and the appearance of the product is seriously influenced. 2. The cement consumption is large, and the cost is relatively high. 3. The curing process is strict, and requires longer temperature, humidity and time, which requires more than 5 days.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-strength cement adhesive for a cylindrical head product.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the high-strength cement adhesive for the cylindrical head product comprises the following raw materials in parts by weight:
1-10 parts of cement;
0.6-1.5 parts of quartz sand;
0.18-0.27 part of water;
0.043-0.052 parts of additive;
0.006-0.015 parts of modified fiber.
Preferably, the method comprises the following steps:
s1: sequentially putting cement, quartz sand and modified fiber into a stirrer, and stirring to ensure uniform stirring;
s2: the stirring time is 4-8 minutes;
s3: then putting the water and the additive into the stirrer, and stirring again for 5-8 minutes;
s4: taking a small amount of prepared adhesive in S3, placing the adhesive in a curing box at 40-55 ℃ for steam curing with the humidity of 95-99% for 2-5h after the adhesive is formed;
s5: and (3) demolding the adhesive sample in the step S4, and curing the demolded sample in hot water with the water temperature of 40-55 ℃ for 40-80 h.
Preferably, the cement is a domestic cement, type ordinary PO 52.5.
Preferably, the mesh number of the quartz sand is 30-70 meshes.
Preferably, the additive is of the type a + B + C.
Preferably, the blender is a flour blender.
Preferably, in S5, a practical thermostat is required to stabilize the water temperature.
(III) advantageous effects
Compared with the prior art, the invention provides a high-strength cement adhesive for a cylindrical head product, which has the following beneficial effects:
1. the high-strength cement adhesive for the cylindrical head product is verified by adjusting the formula and cementing for 6-8 years, the performance of the insulator is stable, more than 500 million pieces of products using the cement adhesive are on line, and the problems of zero value and string drop do not occur until now.
2. The high-strength cement adhesive for the cylindrical head product uses domestic cement, the type is common PO52.5, and the cost of the used cement is 50% of that of cement in a small open field.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Shown in the described embodiments, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by reference are exemplary and are intended to be illustrative of the invention, but are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used for convenience in describing and simplifying the description, 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 thus should not be construed as limiting the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows:
the high-strength cement adhesive for the cylindrical head product comprises the following raw materials in parts by weight:
1 part of cement;
0.6 part of quartz sand;
0.18 part of water;
0.043 part of additive;
0.006 part of modified fiber.
The method comprises the following steps:
s1: domestic cement with the model of ordinary PO.52.5, quartz sand with the mesh number of 30-70 and modified fiber are sequentially put into a stirrer to be stirred, so that the uniform stirring is ensured;
s2: the stirring time is 4-8 minutes;
s3: then putting the water and the additives (A + B + C) into the flour mixer, and mixing again for 5-8 minutes;
s4: taking a small amount of the prepared adhesive in S3, placing the adhesive in a curing box at 40-55 ℃ for steam curing with the humidity of 95-99% and the curing time of 2-5h after the adhesive is formed;
s5: and (4) demolding the adhesive sample in the step S4, placing the demolded sample in a constant-temperature dish, and maintaining in hot water with the water temperature controlled to be 40-55 ℃ for 40-80 hours.
Example two:
the high-strength cement adhesive for the cylindrical head product comprises the following raw materials in parts by weight:
2 parts of cement;
0.7 part of quartz sand;
0.19 part of water;
0.048 part of additive;
0.009 parts of modified fiber.
The method comprises the following steps:
s1: domestic cement with the model of ordinary PO.52.5, quartz sand with the mesh number of 35 meshes and modified fiber are sequentially put into a stirrer to be stirred, so that the uniform stirring is ensured;
s2: stirring for 5 minutes;
s3: then putting the water and the additives (A + B + C) into the flour mixer, and mixing again for 5 minutes;
s4: taking a small amount of prepared adhesive in S3, placing the adhesive in a curing box at 42 ℃ for steam curing after the adhesive is formed, wherein the humidity is 96%, and the curing time is 3 hours;
s5: and (4) demolding the adhesive sample in the step S4, placing the demolded sample in a constant-temperature dish, and maintaining in hot water with the water temperature controlled at 405 ℃ for 45 hours.
Example three:
the high-strength cement adhesive for the cylindrical head product comprises the following raw materials in parts by weight:
5 parts of cement;
1 part of quartz sand;
0.2 part of water;
0.048 part of additive;
0.01 part of modified fiber.
The method comprises the following steps:
s1: domestic cement with the model of ordinary PO.52.5, quartz sand with the mesh number of 40 meshes and modified fiber are sequentially put into a stirrer to be stirred, so that the uniform stirring is ensured;
s2: stirring time is 6 minutes;
s3: then putting the water and the additives (A + B + C) into the flour mixer, and mixing again for 6 minutes;
s4: taking a small amount of prepared adhesive in S3, placing the adhesive in a curing box at 50 ℃ for steam curing after the adhesive is formed, wherein the humidity is 97%, and the curing time is 4 hours;
s5: and (4) demolding the adhesive sample in the step S4, placing the demolded sample in a constant-temperature dish, and curing in hot water with the water temperature controlled at 50 ℃ for 55 hours.
Example four:
a high-strength cement adhesive for a cylindrical head product comprises the following raw materials in parts by weight:
8 parts of cement;
1.2 parts of quartz sand;
0.25 part of water;
0.049 part of additive;
0.012 part of modified fiber.
The method comprises the following steps:
s1: domestic cement with the model of ordinary PO.52.5, quartz sand with the mesh number of 65 and modified fiber are sequentially put into a stirrer to be stirred, so that the uniform stirring is ensured;
s2: the stirring time is 7 minutes;
s3: then putting the water and the additives (A + B + C) into the flour mixer, and mixing again for 7 minutes;
s4: taking a small amount of prepared adhesive in S3, placing the adhesive in a curing box at 50 ℃ for steam curing after the adhesive is formed, wherein the humidity is 98%, and the curing time is 4 hours;
s5: and (4) demolding the adhesive sample in the step S4, placing the demolded sample in a constant-temperature dish, and maintaining in hot water with the water temperature controlled at 50 ℃ for 75 hours.
Example five:
the high-strength cement adhesive for the cylindrical head product comprises the following raw materials in parts by weight:
10 parts of cement;
1.5 parts of quartz sand;
0.27 part of water;
0.052 parts of additive;
0.015 part of modified fiber.
The method comprises the following steps:
s1: domestic cement with the model of ordinary PO.52.5, quartz sand with the mesh number of 70 and modified fiber are sequentially put into a stirrer to be stirred, so that the uniform stirring is ensured;
s2: the stirring time is 8 minutes;
s3: then putting the water and the additives (A + B + C) into the flour mixer, and mixing again for 8 minutes;
s4: taking a small amount of prepared adhesive in S3, placing the adhesive in a curing box at 55 ℃ for steam curing after the adhesive is formed, wherein the humidity is 99%, and the curing time is 5 hours;
s5: and (4) demolding the adhesive sample in the step S4, placing the demolded sample in a constant-temperature dish, and maintaining in hot water with the water temperature controlled to be 55 ℃ for 80 hours.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (7)
1. The high-strength cement adhesive for the cylindrical head product is characterized by comprising the following raw materials in parts by weight:
1-10 parts of cement;
0.6-1.5 parts of quartz sand;
0.18-0.27 part of water;
0.043-0.052 parts of additive;
0.006-0.015 part of modified fiber.
2. The high-strength cement binder for cylindrical head products as claimed in claim 1, comprising the steps of:
s1: sequentially putting cement, quartz sand and modified fiber into a stirrer, and stirring to ensure uniform stirring;
s2: the stirring time is 4-8 minutes;
s3: then putting the water and the additive into the stirrer, and stirring again for 5-8 minutes;
s4: taking a small amount of prepared adhesive in the S3, and placing the adhesive in a curing box at 40-55 ℃ for steam curing with the humidity of 95-99% for 2-5h after the adhesive is formed;
s5: and (3) demolding the adhesive sample in the S4, and curing the demolded sample in hot water with the water temperature of 40-55 ℃ for 40-80 h.
3. The high-strength cement binder for cylindrical head products as claimed in claim 1, wherein the cement is domestic cement, model number ordinary PO 52.5.
4. The high-strength cement binder for cylindrical head products as claimed in claim 1, wherein the mesh number of the quartz sand is 30-70 mesh.
5. The high-strength cement binder for cylindrical head products as claimed in claim 1, wherein the additive is of the type A + B + C.
6. The high strength cement binder for cylindrical head products as claimed in claim 2, wherein said mixer is a flour mixer.
7. The high-strength cement binder for cylindrical head products as claimed in claim 2, wherein in S5, a practical thermostat is required to stabilize the water temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210601932.6A CN115028408A (en) | 2022-05-30 | 2022-05-30 | High-strength cement adhesive for cylindrical head product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210601932.6A CN115028408A (en) | 2022-05-30 | 2022-05-30 | High-strength cement adhesive for cylindrical head product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115028408A true CN115028408A (en) | 2022-09-09 |
Family
ID=83120525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210601932.6A Pending CN115028408A (en) | 2022-05-30 | 2022-05-30 | High-strength cement adhesive for cylindrical head product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115028408A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2228804A1 (en) * | 2009-03-10 | 2010-09-15 | Sediver Société Europeenne d'Isolateurs en Verre et Composite | Process for manufacturing a glass or ceramic high-voltage electrical insulator by sealing the metallic parts of said insulator with a sealing mortar |
| CN102718452A (en) * | 2012-06-28 | 2012-10-10 | 江苏南瓷绝缘子有限公司 | Super strength silicate cement adhesive and preparation method thereof |
| CN109534747A (en) * | 2018-12-19 | 2019-03-29 | 唐山高压电瓷有限公司 | A kind of high strength electroceramice ductility cement glue and preparation method thereof |
| CN112430038A (en) * | 2020-12-07 | 2021-03-02 | 南京电气绝缘子有限公司 | Cement adhesive for large-tonnage glass insulator |
-
2022
- 2022-05-30 CN CN202210601932.6A patent/CN115028408A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2228804A1 (en) * | 2009-03-10 | 2010-09-15 | Sediver Société Europeenne d'Isolateurs en Verre et Composite | Process for manufacturing a glass or ceramic high-voltage electrical insulator by sealing the metallic parts of said insulator with a sealing mortar |
| CN102718452A (en) * | 2012-06-28 | 2012-10-10 | 江苏南瓷绝缘子有限公司 | Super strength silicate cement adhesive and preparation method thereof |
| CN109534747A (en) * | 2018-12-19 | 2019-03-29 | 唐山高压电瓷有限公司 | A kind of high strength electroceramice ductility cement glue and preparation method thereof |
| CN112430038A (en) * | 2020-12-07 | 2021-03-02 | 南京电气绝缘子有限公司 | Cement adhesive for large-tonnage glass insulator |
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Application publication date: 20220909 |