CN106891601A - 烟筒内部复合涂布t型加固防腐工艺 - Google Patents

烟筒内部复合涂布t型加固防腐工艺 Download PDF

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CN106891601A
CN106891601A CN201710101048.5A CN201710101048A CN106891601A CN 106891601 A CN106891601 A CN 106891601A CN 201710101048 A CN201710101048 A CN 201710101048A CN 106891601 A CN106891601 A CN 106891601A
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chimney
surface drying
reinforced plastics
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cloth
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高德敏
高明伟
李宗发
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Hebei Hongbo Anticorrosion Engineering Co Ltd
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    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24—Processes, 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/14—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
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    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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    • F23J13/00—Fittings for chimneys or flues 
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B2262/10—Inorganic fibres
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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Abstract

烟筒内部复合涂布T型加固防腐工艺，在烟筒内壁通过设置玻璃钢防腐材料，采用若干T型特制膨胀钉钉入烟筒内壁固定，形成多布多涂T形固定防腐结构。本发明创造性地在烟筒内壁通过喷涂或滚刷玻璃钢防腐材料，采用T型特制膨胀钉，钉入基体固定的方式，不但有效的防止了原有烟筒内壁的腐蚀，而且在烟筒内壁形成新的玻璃钢内壁，同时更加牢固的把玻璃钢内壁固定在基体上，此工艺可广泛应用于燃煤等行业的烟囱防腐改造中。

Description

烟筒内部复合涂布T型加固防腐工艺
技术领域
本发明涉及防腐技术领域，具体涉及一种烟筒内部复合涂布T型加固防腐工艺。
背景技术
火力发电、化工等各行业的燃煤锅炉脱硫排放后，烟气对烟囱的腐蚀十分严重。在确保安全、环保生产的前提下，烟囱防腐是一道必做的课程。在水泥烟囱的防腐领域，防腐材料是否牢固的附着在基体上，直接影响防腐质量和防腐寿命。因此，保证防腐材料在烟囱基体不脱落，是水泥烟囱防腐要解决的重要问题。
发明内容
本发明提供了一种烟筒内部复合涂布T型加固防腐工艺，以解决现有技术存在的烟筒内部防腐蚀层附着的问题。
本发明解决其技术问题所采用的技术方案是：
一种烟筒内部复合涂布T型加固防腐工艺，在烟筒内壁通过设置玻璃钢防腐材料，采用若干T型特制膨胀钉钉入烟筒内壁固定，具体工艺步骤如下：
(1)凝土烟囱内壁基体表面处理至达到施工标准要求；
(2)使用玻璃钢防腐材料做底涂层施工，玻璃钢防腐材料由无溶剂环氧树脂、增强纤维和添加剂组成；
(3)底涂层表干后，喷涂或滚刷玻璃钢防腐材料,厚度200um--300um，不待表干紧接着辊压一定规格玻璃纤维布一层，形成“1布1涂”；
(4)“1布1涂”表干后，再次喷涂或滚刷玻璃钢防腐材料，厚度200um-300um，不待表干紧接着辊压一定规格玻璃纤维布一层，此时形成“2布2涂”；
(5)“2布2涂”表干后，喷涂或滚刷玻璃钢防腐材料，厚度200um-300um，待表干后，按设计要求，电锤打眼，然后镶嵌紧固若干T型特制膨胀钉；
(6)向T型特制膨胀钉施工后的防腐面喷涂或滚刷玻璃钢防腐材料，厚度200um-300um，不待表干紧接着辊压设计规格玻璃纤维布一层，此时形成“3布3涂T固”结构；
(7)按上述施工方法，按设计要求，继续喷涂或滚刷防腐材料和辊压玻璃纤维布，直到达到设计要求的防腐层数和厚度；
(8)施工材料表干后，做面层施工。
上述T型特制膨胀钉为聚乙烯膨胀钉。
本发明创造性地在烟筒内壁通过喷涂或滚刷玻璃钢防腐材料，采用T型特制膨胀钉，钉入基体固定的方式，不但有效的防止了原有烟筒内壁的腐蚀，而且在烟筒内壁形成新的玻璃钢内壁，同时更加牢固的把玻璃钢内壁固定在基体上，此工艺可广泛应用于燃煤等行业的烟囱防腐改造中。
附图说明
下面结合附图和实施例对本发明进一步说明。
图1是本发明的烟筒防腐结构示意图。
具体实施方式
如图所示，一种烟筒内部复合涂布T型加固防腐工艺，在烟筒内壁通过设置玻璃钢防腐材料，采用若干T型特制膨胀钉钉入烟筒内壁固定，具体工艺步骤如下：
1、水泥混凝土烟囱内壁基体表面处理至达到施工要求。
2、用HB-GFRP防腐材料做底涂层施工。
3、底涂层表干后，喷涂或滚刷HB-GFRP防腐材料,厚度200um--300um。不待表干紧接着辊压一定规格玻璃纤维布一层。此时形成“1布1涂”。
4、“1布1涂”表干后，再次喷涂或滚刷HB-GFRP防腐材料，厚度200um-300um。不待表干紧接着辊压一定规格玻璃纤维布一层，此时形成“2布2涂”。
5、“2布2涂”表干后，喷涂或滚刷HB-GFRP防腐材料200um-300um。待表干后，按设计要求(直径、深度、a个/m2等)，电锤打眼。然后按设计要求(钉长、钉身直径、钉帽直径、材质、形状、a个/m2等)，镶嵌紧固“T”型特制膨胀钉，形成“T固法”。
6、向“T固”施工后的防腐面喷涂或滚刷HB-GFRP防腐材料，厚度200um-300um。不待表干紧接着辊压设计规格玻璃纤维布一层，此时形成“3布3涂T固”结构。
7、按上述施工方法，按设计要求，继续喷涂或滚刷防腐材料和辊压玻璃纤维布，直到达到设计要求的防腐层数和厚度。于是形成“m布n涂T固法”防腐。
8、“m布n涂T固”施工材料表干后，做面层施工，完成水泥混凝土烟囱内壁体表面防腐或水泥混凝土烟囱耐酸砖内衬基体表面防腐，HB-GFRP附着加固工艺----“m布n涂T固法”。

Claims (2)

1.一种烟筒内部复合涂布T型加固防腐工艺，其特征是在烟筒内壁通过设置玻璃钢防腐材料，采用若干T型特制膨胀钉钉入烟筒内壁固定，具体工艺步骤如下：
(1)凝土烟囱内壁基体表面处理至达到施工标准要求；
(2)使用玻璃钢防腐材料做底涂层施工，玻璃钢防腐材料由无溶剂环氧树脂、增强纤维和添加剂组成；
(3)底涂层表干后，喷涂或滚刷玻璃钢防腐材料,厚度200um--300um，不待表干紧接着辊压一定规格玻璃纤维布一层，形成“1布1涂”；
(4)“1布1涂”表干后，再次喷涂或滚刷玻璃钢防腐材料，厚度200um-300um，不待表干紧接着辊压一定规格玻璃纤维布一层，此时形成“2布2涂”；
(5)“2布2涂”表干后，喷涂或滚刷玻璃钢防腐材料，厚度200um-300um，待表干后，按设计要求，电锤打眼，然后镶嵌紧固若干T型特制膨胀钉；
(6)向T型特制膨胀钉施工后的防腐面喷涂或滚刷玻璃钢防腐材料，厚度200um-300um，不待表干紧接着辊压设计规格玻璃纤维布一层，此时形成“3布3涂T固”结构；
(7)按上述施工方法，按设计要求，继续喷涂或滚刷防腐材料和辊压玻璃纤维布，直到达到设计要求的防腐层数和厚度；
(8)施工材料表干后，做面层施工。
2.根据权利要求1所述的烟筒内部复合涂布T型加固防腐工艺，其特征是T型特制膨胀钉为聚乙烯膨胀钉。
CN201710101048.5A 2017-02-23 2017-02-23 烟筒内部复合涂布t型加固防腐工艺 Pending CN106891601A (zh)

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CN115820074A (zh) * 2022-11-29 2023-03-21 江苏祺祥建设工程有限公司 烟囱、吸收塔、烟道用改性环氧树脂防腐涂层及制备工艺

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EP2163377A1 (de) * 2008-09-16 2010-03-17 GBT - Bücolit GmbH Korrosionsschutzauskleidung für den Einsatz in chemikalienbelasteter Umgebung bei sehr hohen Temperaturen
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115820074A (zh) * 2022-11-29 2023-03-21 江苏祺祥建设工程有限公司 烟囱、吸收塔、烟道用改性环氧树脂防腐涂层及制备工艺
CN115820074B (zh) * 2022-11-29 2024-05-10 江苏祺祥建设工程有限公司 烟囱、吸收塔、烟道用改性环氧树脂防腐涂层及制备工艺

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Application publication date: 20170627