Polyurethane directly buried insulation pipe foam has good mechanical properties and thermal insulation performance, usually temperature-resistant 120℃ through modification or combination with other thermal insulation materials rock wool coil rock wool performance characteristics: 1, thermal insulation performance: good thermal insulation is the basic characteristics of rock wool, slag wool products, at room temperature (about 25 ℃) rock wool thermal conductivity is usually between ~ (moK). Steam pipe directly buried FRP outer cover composite steam directly buried pipe 1 wraps the first layer of thermal insulation material aluminum silicate fiber blanket on the working steel pipe and then adds calcium silicate (tile shell) 3 to the mold to irrigate polyurethane foaming 4, then remove the mold to make FRP insulation pipe on the glass steel pipe winding machine.
Can be tailored according to the need for heat preservation parts, processing non-standard products. The detachable thermal insulation clothing which can work with the manhole three-way flange valve and other equipment is developed, which can completely avoid the above situation. It is easier to install and disassemble, can be used repeatedly and at low cost. The thermal insulation clothing is made of lightweight non-asbestos material and can also be used well in narrow areas. Whether it is manhole cutoff valve, ball valve, etc., detachable insulation clothing can be installed. Usually users provide manhole three-way flange valve name and model to order the corresponding thermal insulation clothing, special types need to provide detailed specifications or dimensions. Removable insulation sleeve cloth thickness-mm glass fiber blanket-mm high temperature wire according to temperature selection treatment.
In the process of construction in winter, in the internal thermal insulation work of the pool, a 4-ton hot air stove is used to send hot air to the pool continuously for 24 hours, and more than 10 coal-fired stoves are used to increase the temperature in the pool. The thermal insulation of the roof of the pool is covered with industrial electric blanket and thermal insulation board, and the roof temperature is guaranteed to reach about 15 ℃ above zero. The temperature is observed at the site every 2 hours, and the temperature measurement records are made to ensure that the concrete strength after pouring meets the design standards, and do a good job in the maintenance and heat preservation of pouring concrete in the pool. Project managers take turns on duty, hold on-site coordination meetings every day to discuss the progress of the project, check heat preservation measures, coordinate and solve site problems, supervise the safety of construction operations, and ensure construction progress and quality.
Shandong greenhouse nonwovens factory, greenhouse nonwovens: 1, simple connection, convenient operation, material-saving, labor-saving; 2, good heat preservation effect, greatly increasing the temperature in the shed; 3, long service life, normal use of more than eight years; 4. The combination of greenhouse non-woven fabric and the original grass grass can not only save the investment cost, but also significantly improve its comprehensive thermal insulation performance and prolong its service life. Product use: the greenhouse non-woven fabric produced by Phoenix is made of polyester fiber through many processes, with low price and good quality. it is the choice of disposable protection and maintenance products in all related industries. Scope of application: Phoenix non-woven fabric is widely used in salt farm construction heat preservation, breeding greenhouse, vegetable greenhouse, thermal insulation quilt, highway maintenance, cement preform maintenance, fragile goods packaging and transportation protection, building chicken and duck greenhouse, highway maintenance, sofa mattress lining, crop protection, slope protection, aquaculture, heat preservation and moisture preservation, decoration protection, protection blanket and so on.
In addition to having not applied for any patents for nearly three years, in terms of the number and types of patents, Sanqian Home is not as good as its newly listed counterparts, Zhenai Meijia, whose leading products are blankets. the main products are bedding (kit, quilt core, pillow core, etc.), while selling a small amount of towels, home services, carpets and other textiles and packaging, according to its listing prospectus. By the date of signing, it has obtained 48 invention patents, 56 utility model patents and 46 design patents, which are mainly related to blanket patterns and patterns.