CN103669420A - Method for constructing anti-seepage and anti-corrosion basic facilities for fluorine chemical enterprise - Google Patents
Method for constructing anti-seepage and anti-corrosion basic facilities for fluorine chemical enterprise Download PDFInfo
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- CN103669420A CN103669420A CN201310696664.1A CN201310696664A CN103669420A CN 103669420 A CN103669420 A CN 103669420A CN 201310696664 A CN201310696664 A CN 201310696664A CN 103669420 A CN103669420 A CN 103669420A
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Abstract
The invention discloses a method for constructing anti-seepage and anti-corrosion basic facilities for a fluorine chemical enterprise. The method for constructing the anti-seepage and anti-corrosion basic facilities of the fluorine chemical enterprise comprises the following steps that an anti-seepage layer is constructed at room temperature, the gradient of the grade level of construction is 3-4%, and geotechnical cloth is laid on a plain soil layer after punning, leveling and gradient measurement are carried out on the plain soil layer; a 0.5-2mm HDPE film is laid on the geotechnical cloth, and then welding without dead angles is carried out; another layer of geotechnical cloth is laid on the HDPE film, and the HDPE film is covered completely; a 100mm sand cushion is laid on the geotechnical cloth, and the sand cushion needs to be level; 150mm C20 concrete is poured on the sand cushion at 4500*4500 mesh division, seams are filled with resin mortar, and the concrete layer is maintained at the gradient of the grade level; 20mm cement mortar is added to the concrete for leveling, and the gradient at 3-4% is maintained; an anti-corrosion layer is constructed at 15-30 DEG C, cement mortar is grinded to serve as a base layer of the anti-corrosion layer, the base layer is washed 1-3 times through cleaning agents, dried in a blowing mode and painted with bisphenol A unsaturated polyester resin at least two times, a 2.5mm bisphenol A unsaturated polyester resin mortar anti-corrosion facial layer is then laid, and natural curing is carried out for 48-72 hours. According to the method for constructing the anti-seepage and anti-corrosion basic facilities of the fluorine chemical enterprise, construction is easy, anti-corrosion performance is strong, and the service life is long.
Description
Technical field
The invention belongs to antiseepage, preservative treatment technology field, specifically relate to the construction method of the anticorrosion infrastructure of a kind of fluorine chemical enterprise's antiseepage.
Background technology
Infrastructure in fluorine chemical enterprise, as the terrace of process units, water-retaining cofferdam, trench, basis etc. all can be subject to the erosion of fluorine-containing acid waste water repeatedly, now adopt glass fiber reinforced plastic or glass fiber reinforced plastic to add acidproof magnetic sheet or carbon brick etc. constructs more, after coming into operation, existence causes fluorine-containing acid waste water to leak into the underground ground to process units and threatens because terrace is impaired, damage ground, cause environment pollution simultaneously.This class only solves problems from anticorrosion angle, can not effectively prevent that fluoride waste from leaking out to underground, inevitably causes environment pollution.
Summary of the invention
The object of the invention is to overcome above-mentioned shortcoming and a kind of construction method of the anticorrosion infrastructure of fluorine chemical enterprise antiseepage of easy, corrosion-resistant strong, the long service life of constructing is provided.
The construction method of the anticorrosion infrastructure of a kind of fluorine chemical enterprise's antiseepage of the present invention, comprises the steps:
(1) impervious barrier construction is carried out at normal temperatures, and the gradient of construction terrace is 3～4% plain soil layer compactings, levelling, looks for after the gradient, spreads geotextiles;
(2) the hard things such as stone can not be contained in plain native top, and geotextiles is closely knit; After geotextiles is completed, spread 0.5-2mmHDPE film thereon for antiseepage, HDPE film requires welding not stay dead angle; Above HDPE film, repave one deck geotextiles damaged for preventing HDPE film, geotextiles requires closely knit, and HDPE film is all covered;
(3) after second layer geotextiles is completed, spread one deck 100mm sand cushion thereon, sand cushion requires gravel fine and smooth, and without hard things such as bulk stones, bed course is smooth; 150mmC20 concrete is built in sand cushion top, 4500X4500 lattice, and resin-bonded mastic joint filling, layer of concrete keeps the terrace gradient; On concrete, increase 20mm cement mortar screeding, keep 3～4% the gradient;
(4) anticorrosive coat construction construction in the time of 15～30 ℃, using cement mortar polishing as anticorrosive coat basic unit, with cleaning agent, clean basic unit 1～3 time and dry up then brushing bisphenol-A unsaturated-resin at least twice, repave the anticorrosion surface layer of 2.5mm bisphenol-A unsaturated-resin mortar, natural curing 48～72 hours;
Above-mentioned fluorine chemical enterprise antiseepage, the construction method of anticorrosion infrastructure, wherein: in step (4), can increase other preservative treatments according to construction requirement.
Above-mentioned fluorine chemical enterprise antiseepage, the construction method of anticorrosion infrastructure, wherein: in step (4), adopt instrument air or other modes to dry up.
The present invention compares with prior art, has obvious beneficial effect, from above scheme, HDPE film, in the centre of upper and lower two-layer geotextiles, has prevented that HDPE film is injury-free, is the critical process of antiseepage, the sand cushion of 100mm is permeable formation, has evenly laid cushioning effect.The C20 hardening of concrete layer that 150mm is thick, for load capacity.Cement mortar has guaranteed the gradient of terrace, and bisphenol-A unsaturated-resin mortar has antisepsis.Therefore, the present invention's easy, corrosion-resistant strong, long service life of constructing.
Below, by the specific embodiment, further illustrate beneficial effect of the present invention.
The specific embodiment
embodiment 1
Fluoride waste antiseepage, a corrosion-resistant construction method, comprise the steps:
(1) impervious barrier construction is carried out at normal temperatures, and the gradient of construction terrace is 3～4% plain soil layer compactings, levelling, looks for after the gradient, spreads geotextiles.
(2) the hard things such as stone, geotextiles closely knit (being not stay gap between cloth and cloth) can be contained in plain native top.After geotextiles is completed, spread 2mmHDPE film thereon for antiseepage, HDPE film requires welding not stay dead angle.Above HDPE film, repave one deck geotextiles damaged for preventing HDPE film, geotextiles requires closely knit, and HDPE film is all covered.
(3) after second layer geotextiles is completed, spread one deck 100mm sand cushion thereon, sand cushion requires gravel fine and smooth, and without hard things such as bulk stones, bed course is smooth.150mmC20 concrete is built in sand cushion top, 4500X4500 lattice, and resin-bonded mastic joint filling, layer of concrete keeps the terrace gradient.On concrete, increase 20mm cement mortar screeding, keep 3% the gradient.
(4) anticorrosive coat construction construction in the time of 25 ℃, using cement mortar polishing as anticorrosive coat basic unit, with cleaning agent, clean basic unit 2 times and dry up then brushing bisphenol-A unsaturated-resin at least twice with instrument air, repave the anticorrosion surface layer of 2.5mm bisphenol-A unsaturated-resin mortar, natural curing 48 hours.
embodiment 2
Fluoride waste antiseepage, a corrosion-resistant construction method, comprise the steps:
(1) impervious barrier construction is carried out at normal temperatures, and the gradient of construction terrace is 3～4% plain soil layer compactings, levelling, looks for after the gradient, spreads geotextiles.
(2) the hard things such as stone, geotextiles closely knit (being not stay gap between cloth and cloth) can be contained in plain native top.After geotextiles is completed, spread 2mmHDPE film thereon for antiseepage, HDPE film requires welding not stay dead angle.Above HDPE film, repave one deck geotextiles damaged for preventing HDPE film, geotextiles requires closely knit, and HDPE film is all covered.
(3) after second layer geotextiles is completed, spread one deck 100mm sand cushion thereon, sand cushion requires gravel fine and smooth, and without hard things such as bulk stones, bed course is smooth.150mmC20 concrete is built in sand cushion top, 4500X4500 lattice, and resin-bonded mastic joint filling, layer of concrete keeps the terrace gradient.On concrete, increase 20mm cement mortar screeding, keep 4% the gradient.
(4) anticorrosive coat construction construction in the time of 30 ℃, using cement mortar polishing as anticorrosive coat basic unit, with cleaning agent, clean basic unit 3 times and dry up then brushing bisphenol-A unsaturated-resin at least twice, repave the anticorrosion surface layer of 2.5mm bisphenol-A unsaturated-resin mortar, natural curing 72 hours.
embodiment 3
Fluoride waste antiseepage, a corrosion-resistant construction method, comprise the steps:
(1) impervious barrier construction is carried out at normal temperatures, and the gradient of construction terrace is 3～4% plain soil layer compactings, levelling, looks for after the gradient, spreads geotextiles.
(2) the hard things such as stone, geotextiles closely knit (being not stay gap between cloth and cloth) can be contained in plain native top.After geotextiles is completed, spread 0.5mmHDPE film thereon for antiseepage, HDPE film requires welding not stay dead angle.Above HDPE film, repave one deck geotextiles damaged for preventing HDPE film, geotextiles requires closely knit, and HDPE film is all covered.
(3) after second layer geotextiles is completed, spread one deck 100mm sand cushion thereon, sand cushion requires gravel fine and smooth, and without hard things such as bulk stones, bed course is smooth.150mmC20 concrete is built in sand cushion top, 4500X4500 lattice, and resin-bonded mastic joint filling, layer of concrete keeps the terrace gradient.On concrete, increase 20mm cement mortar screeding, keep 4% the gradient.
(4) anticorrosive coat construction construction in the time of 15 ℃, using cement mortar polishing as anticorrosive coat basic unit, with cleaning agent, clean basic unit 1 time and dry up then brushing bisphenol-A unsaturated-resin at least twice, repave the anticorrosion surface layer of 2.5mm bisphenol-A unsaturated-resin mortar, finally spreading specification is 140X10X3mm carbon brick, between carbon brick, adopt the jointing of bisphenol-A unsaturated-resin, natural curing 72 hours.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, any technical solution of the present invention content that do not depart from, any simple modification equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all still belong in the scope of technical solution of the present invention.
Claims (3)
- The construction method of the anticorrosion infrastructure of 1.Yi Zhong fluorine chemical enterprise's antiseepage, comprises the steps:(1) impervious barrier construction is carried out at normal temperatures, and the gradient of construction terrace is 3～4% plain soil layer compactings, levelling, looks for after the gradient, spreads geotextiles;(2) hard thing can not be contained in plain native top, and geotextiles is closely knit; After geotextiles is completed, spread 0.5-2mmHDPE film thereon, dead angle is not stayed in the welding of HDPE film; Above HDPE film, repave one deck geotextiles, geotextiles requires closely knit, and HDPE film is all covered;(3) after second layer geotextiles is completed, spread one deck 100mm sand cushion thereon, sand cushion requires gravel fine and smooth, and without hard thing, bed course is smooth; 150mmC20 concrete is built in sand cushion top, 4500X4500 lattice, and resin-bonded mastic joint filling, layer of concrete keeps the terrace gradient; On concrete, increase 20mm cement mortar screeding, keep 3～4% the gradient;(4) anticorrosive coat construction construction in the time of 15～30 ℃, using cement mortar polishing as anticorrosive coat basic unit, with cleaning agent, clean basic unit 1～3 time and dry up then brushing bisphenol-A unsaturated-resin at least twice, repave the anticorrosion surface layer of 2.5mm bisphenol-A unsaturated-resin mortar, natural curing 48～72 hours.
- 2. the construction method of fluorine chemical as claimed in claim 1 enterprise antiseepage, anticorrosion infrastructure, wherein: in step (4), can increase other preservative treatments according to construction requirement.
- 3. the construction method of fluorine chemical as claimed in claim 1 enterprise antiseepage, anticorrosion infrastructure, wherein: in step (4), adopt instrument air or other modes to dry up.
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| CN201310696664.1A CN103669420B (en) | 2013-12-18 | 2013-12-18 | The construction method of a kind of fluorine chemical enterprise antiseepage anti-corrosion basic |
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| CN103669420B CN103669420B (en) | 2016-03-09 |
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Citations (5)
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|---|---|---|---|---|
| JPS56135610A (en) * | 1980-03-26 | 1981-10-23 | Nippon Sheet Glass Co Ltd | Anti-corrosion method for shore protection steel sheetpile |
| CN201169774Y (en) * | 2008-03-13 | 2008-12-24 | 贵阳铝镁设计研究院 | Slope anti-seepage structure of mountain valley type dry method red mud storage yard |
| CN201517217U (en) * | 2009-10-30 | 2010-06-30 | 北京高能时代环境技术股份有限公司 | Anti-seepage structure for petroleum chemical industry area |
| CN201554044U (en) * | 2009-10-22 | 2010-08-18 | 北京高能时代环境技术股份有限公司 | Anti-seepage structure for hazardous waste disposal engineering |
| CN203188252U (en) * | 2013-04-28 | 2013-09-11 | 北京锄禾环保技术有限公司 | Seepage prevention structure applied to evaporation pond in coal chemical industry |
-
2013
- 2013-12-18 CN CN201310696664.1A patent/CN103669420B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56135610A (en) * | 1980-03-26 | 1981-10-23 | Nippon Sheet Glass Co Ltd | Anti-corrosion method for shore protection steel sheetpile |
| CN201169774Y (en) * | 2008-03-13 | 2008-12-24 | 贵阳铝镁设计研究院 | Slope anti-seepage structure of mountain valley type dry method red mud storage yard |
| CN201554044U (en) * | 2009-10-22 | 2010-08-18 | 北京高能时代环境技术股份有限公司 | Anti-seepage structure for hazardous waste disposal engineering |
| CN201517217U (en) * | 2009-10-30 | 2010-06-30 | 北京高能时代环境技术股份有限公司 | Anti-seepage structure for petroleum chemical industry area |
| CN203188252U (en) * | 2013-04-28 | 2013-09-11 | 北京锄禾环保技术有限公司 | Seepage prevention structure applied to evaporation pond in coal chemical industry |
Non-Patent Citations (2)
| Title |
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| 吴家强等: "垃圾填埋场防渗层的设计与施工", 《中国建筑防水》 * |
| 孙志力等: "不饱和树脂在氯碱工业中的应用", 《氯碱工艺》 * |
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