CN113996512A - Construction process of acrylic acid adhesive for plugging power equipment under low-temperature condition - Google Patents

Construction process of acrylic acid adhesive for plugging power equipment under low-temperature condition Download PDF

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Publication number
CN113996512A
CN113996512A CN202111237611.4A CN202111237611A CN113996512A CN 113996512 A CN113996512 A CN 113996512A CN 202111237611 A CN202111237611 A CN 202111237611A CN 113996512 A CN113996512 A CN 113996512A
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China
Prior art keywords
adhesive
self
heating
mold
acrylic
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Granted
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CN202111237611.4A
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Chinese (zh)
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CN113996512B (en
Inventor
陈玮光
王睿宣
黄冰
张明
周栋
宋博
张正东
王华锋
刘伟
沈开
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Nantong Shire Science & Technology Co ltd
Maintenance Branch of State Grid Jiangsu Electric Power Co Ltd
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Nantong Shire Science & Technology Co ltd
Maintenance Branch of State Grid Jiangsu Electric Power Co Ltd
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Priority to CN202111237611.4A priority Critical patent/CN113996512B/en
Publication of CN113996512A publication Critical patent/CN113996512A/en
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Publication of CN113996512B publication Critical patent/CN113996512B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/10Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an adhesive surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1042Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material provided with means for heating or cooling the liquid or other fluent material in the supplying means upstream of the applying apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/001Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work incorporating means for heating or cooling the liquid or other fluent material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0208Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
    • B05C5/0212Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/04Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
    • B05D3/0406Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
    • B05D3/0413Heating with air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2502/00Acrylic polymers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention relates to a construction process of an acrylic acid adhesive for plugging electric power equipment under a low-temperature condition, which is characterized by comprising the following steps of: the specific construction process comprises the following steps: s1: heat preservation and preheating of the sizing material; s2: taking glue for construction; s3: maintaining the temperature of the sizing material; the method is improved from the curing characteristic of the acrylic adhesive and from the three steps of preheating storage, construction heating and curing temperature maintenance of the acrylic adhesive, and under the low-temperature condition, the acrylic adhesive is wrapped and heated by a self-heating warm paste and stored in a heat preservation chamber; when the adhesive mold is used, the self-heating warm plaster is wrapped outside the adhesive gun, and after the adhesive mold is injected, the self-heating warm plaster is wrapped outside the adhesive mold while the industrial hot air gun is used for heating.

Description

Construction process of acrylic acid adhesive for plugging power equipment under low-temperature condition
Technical Field
The invention relates to the technical field of power equipment leakage stoppage, in particular to a construction process of an acrylic acid adhesive for power equipment leakage stoppage under a low-temperature condition.
Background
The oil leakage and gas leakage phenomena of power equipment in the operation of a transformer substation generally exist, if the oil leakage and gas leakage phenomena of the equipment are not timely and effectively treated, large-area oil stains are easily attached to the leakage part of the equipment or a large amount of harmful gas sulfur hexafluoride is leaked, the appearance of the equipment is influenced, the insulation of the equipment is reduced, even more equipment power failure accidents are caused by the fact that the equipment lacks insulating media, the safe operation, the power supply reliability and the safety of the power transformation equipment are directly influenced, meanwhile, the normal safe operation of a system power grid is threatened, and therefore the oil leakage and gas leakage phenomena of the equipment are thoroughly and effectively treated as soon as possible.
The existing leakage-blocking glue is an acrylic material, and due to the characteristics of the acrylic material, the acrylic adhesive has the characteristic of rapid curing at normal temperature of 25 ℃, generally starts to be cured within 5min, is completely cured within 4h, and has the highest strength within 24 h; but at low temperature (the temperature is lower than 10 ℃), the acrylic adhesive is extremely slow in curing, poor in fluidity and low in strength, and cannot meet the requirement for quick leakage stoppage of power equipment.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a construction process of an acrylic adhesive for plugging power equipment under a low-temperature condition, which can solve the problems that the common acrylic adhesive is extremely slow in curing, poor in fluidity and low in strength under the low-temperature condition and cannot meet the requirement of quick plugging of power equipment.
In order to solve the technical problems, the technical scheme of the invention is as follows: the construction process of the acrylic acid adhesive for plugging the power equipment under the low-temperature condition has the innovation points that: the specific construction process comprises the following steps:
s1: heat preservation and preheating of sizing material: before the plugging construction of the power equipment, the acrylic adhesive is wrapped by a self-heating warm patch for preheating, and is preheated to more than 25 ℃ through the self-heating warm patch, and is stored in a heat preservation box, and the heating state is continuously kept in the heat preservation box;
s2: and (3) glue taking construction: firstly, a self-heating warm paste is wrapped on a rubber tube of a rubber gun, construction is carried out for a long time in a low-temperature environment to ensure the temperature of the leakage-stopping rubber, and a rubber nozzle is installed; after the self-heating warm paste wrapped on the rubber tube of the glue gun is continuously heated, taking out the acrylic acid adhesive in the heat preservation box, and installing the acrylic acid adhesive on the glue gun;
s3: maintaining the temperature of the sizing material: arranging an adhesive mold at the leakage position of the equipment, injecting acrylic adhesive into the adhesive mold through a glue gun, and then continuously heating the adhesive by using an industrial hot air gun, so as to ensure that the leakage-blocking adhesive in the mold can be rapidly cured under the condition of high temperature for a long time, and continuously heating for 25-35 min to reach the initial strength of the acrylic adhesive; meanwhile, the self-heating warm patch is adhered to the adhesive mold and is completely covered by a heat-insulating blanket, so that continuous heating of the self-heating warm patch on the adhesive mold and heat insulation of the adhesive mold are guaranteed.
Further, in the self-heating warm patch in S1, the oxidation reaction speed is increased by using the primary battery, so that chemical energy is converted into heat energy.
Further, the insulation box in the S1 is made of vermiculite serving as a mineral material, so that the insulation effect of the acrylic adhesive is improved.
The invention has the advantages that:
1) the method is improved from the curing characteristic of the acrylic adhesive and from the three steps of preheating storage, construction heating and curing temperature maintenance of the acrylic adhesive, and under the low-temperature condition, the acrylic adhesive is wrapped and heated by a self-heating warm paste and stored in a heat preservation chamber; when the adhesive mold is used, the self-heating warm plaster is wrapped outside the adhesive gun, and after the adhesive mold is injected, the self-heating warm plaster is wrapped outside the adhesive mold while the industrial hot air gun is used for heating.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a flow chart of a construction process of the acrylic adhesive for plugging the power equipment, disclosed by the invention, under a low-temperature condition.
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 of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The construction process of the acrylic adhesive for plugging the power equipment, as shown in fig. 1, under the low-temperature condition comprises the following specific construction processes:
s1: heat preservation and preheating of sizing material: before the plugging construction of power equipment, the acrylic acid adhesive is wrapped by a self-heating warm patch for preheating, and the self-heating warm patch is used for accelerating the oxidation reaction by using a primary battery and converting chemical energy into heat energy; the acrylic acid adhesive is preheated to more than 25 ℃ through the self-heating warm paste, is stored in the heat preservation box, and is continuously kept in a heating state in the heat preservation box; the heat preservation box is made of vermiculite serving as a mineral material so as to improve the heat preservation effect of the acrylic acid adhesive.
S1.1: leak detection and marking: when the pipeline is in liquid leakage, the leakage position can be visually observed; when the pipeline is in gas leakage, monitoring the gas leakage position by adopting a soap bubble method or an optical imaging method, and marking the leakage position; simultaneously, photographing the missing points;
s1.2: polishing and cleaning: polishing the position with the radius of at least 10mm around the leakage position by using a polishing tool, and removing rust, paint and pollutants on the surface until the natural color of the matrix is exposed; repeatedly wiping the surface by using a surface cleaning tool to ensure that the surface has no pollutants, pre-fixing a sealing cap at a leakage position, and arranging an adhesive mold on the periphery of the sealing cap; the bottom end of the adhesive mold is fixed with the base body by using an adhesive tape;
s2: and (3) glue taking construction: firstly, a self-heating warm paste is wrapped on a rubber tube of a rubber gun, construction is carried out for a long time in a low-temperature environment to ensure the temperature of the leakage-stopping rubber, and a rubber nozzle is installed; after the self-heating warm paste wrapped on the rubber tube of the glue gun is continuously heated, taking out the acrylic acid adhesive in the heat preservation box, and installing the acrylic acid adhesive on the glue gun;
s3: maintaining the temperature of the sizing material: injecting an acrylic adhesive into an adhesive mold through a glue gun, and then continuously heating the adhesive by using an industrial hot air gun, so as to ensure that the leakage-blocking adhesive in the mold can be quickly cured under the condition of high temperature for a long time, and continuously heating for 30min to achieve the initial strength of the acrylic adhesive; meanwhile, the self-heating warm plaster is adhered to the adhesive mold and is completely covered by a heat-insulating blanket so as to ensure the continuous heating of the self-heating warm plaster on the adhesive mold and the heat insulation of the adhesive mold; waiting for the acrylic adhesive to be cured for 1.5-2.5h, dismantling the adhesive mold, carefully checking whether the adhesive is absent, and performing adhesive supplement on the adhesive absent part; and after curing is completed for 24 hours, the whole sealing surface is subjected to leakage detection by using soapy water or a leakage detection instrument, after no leakage point is confirmed, the long-acting leakage-blocking glue is completely wrapped on the acrylic acid adhesive, and a tool is picked up to clean the site to complete the plugging construction of the leakage part.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1. A construction process of an acrylic acid adhesive for plugging electric equipment under a low-temperature condition is characterized by comprising the following steps of: the specific construction process comprises the following steps:
s1: heat preservation and preheating of sizing material: before the plugging construction of the power equipment, the acrylic adhesive is wrapped by a self-heating warm patch for preheating, and is preheated to more than 25 ℃ through the self-heating warm patch, and is stored in a heat preservation box, and the heating state is continuously kept in the heat preservation box;
s2: and (3) glue taking construction: firstly, a self-heating warm paste is wrapped on a rubber tube of a rubber gun, construction is carried out for a long time in a low-temperature environment to ensure the temperature of the leakage-stopping rubber, and a rubber nozzle is installed; after the self-heating warm paste wrapped on the rubber tube of the glue gun is continuously heated, taking out the acrylic acid adhesive in the heat preservation box, and installing the acrylic acid adhesive on the glue gun;
s3: maintaining the temperature of the sizing material: arranging an adhesive mold at the leakage position of the equipment, injecting acrylic adhesive into the adhesive mold through a glue gun, and then continuously heating the adhesive by using an industrial hot air gun, so as to ensure that the leakage-blocking adhesive in the mold can be rapidly cured under the condition of high temperature for a long time, and continuously heating for 25-35 min to reach the initial strength of the acrylic adhesive; meanwhile, the self-heating warm patch is adhered to the adhesive mold and is completely covered by a heat-insulating blanket, so that continuous heating of the self-heating warm patch on the adhesive mold and heat insulation of the adhesive mold are guaranteed.
2. The construction process of the acrylic adhesive for plugging the electric power equipment under the low-temperature condition according to claim 1 is characterized in that: in the step S1, the self-heating warm patch is to accelerate the oxidation reaction by using a primary battery to convert chemical energy into heat energy.
3. The construction process of the acrylic adhesive for plugging the electric power equipment under the low-temperature condition according to claim 1 is characterized in that: the insulation box in the S1 is made of vermiculite serving as a mineral material so as to improve the insulation effect of the acrylic acid adhesive.
CN202111237611.4A 2021-10-25 2021-10-25 Construction process of acrylic acid adhesive for plugging power equipment under low-temperature condition Active CN113996512B (en)

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CN113389575A (en) * 2021-07-14 2021-09-14 中南大学 Tunnel leakage-stopping and water-draining method for passing through water-rich area

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