CN2821000Y

CN2821000Y - External wall energy saving heat insulation structure

Info

Publication number: CN2821000Y
Application number: CNU2005200356953U
Authority: CN
Inventors: 马永明; 陈文�; 陈艺
Original assignee: SICHUAN YUANDA INDUSTRY Corp
Current assignee: SICHUAN YUANDA INDUSTRY Corp
Priority date: 2005-10-09
Filing date: 2005-10-09
Publication date: 2006-09-27
Anticipated expiration: 2015-10-09

Abstract

An energy-saving, heat-insulating and heat-preserving structure for an exterior wall belongs to the technical field of heat-insulating and heat-preserving walls. Its structure is as follows: a cement base is arranged on the outer wall, and a hollow microbead thermal insulation layer, a flexible anti-crack and waterproof mortar layer, an alkali-resistant sealing coating and a thermal insulation coating layer are sequentially arranged on the cement base. It has double waterproof, anti-crack, fireproof and anti-corrosion properties, and has achieved the effects of beauty, energy saving, fire prevention and safety.

Description

External wall energy-saving heat-insulation and heat-preservation structure

One, technical field

The utility model relates to building structure, particularly the heat-insulating and heat-preserving wall technical field.

Two, background technology

In the existing building trade of China, especially in the warm south of weather, generally seldom consider the heat-insulation and heat-preservation problem of body of wall, its wall structure is to smear one deck cement mortar in the brick wall surface, sticks ceramic tile again.This class building can not completely cut off extraneous heat in summer, and winter, the temperature in can not holding chamber especially in today that air-conditioning is extensively popularized, can cause a waste greatly of the energy.Therefore, adopt the heat-insulation and heat-preservation material to advance energy-saving building technology imperative.The Ministry of Construction has formulated objectives, and that is exactly: " all new buildings must be carried out building energy-saving standard; National cities and towns new building in 2010 realizes 50%; Promptly have building energy-saving renovation progressively to carry out, the metropolis is finished and transformed area was 25% in 2010, and the medium finishes 15%; The small city finishes 10%; Require the flourishing city of coastal economy, the north and megalopolis building energy conservation 65% ".And existing body of wall heat-insulation and heat-preservation often adopts polystyrene foam plate, its coefficient of thermal conductivity is low, has certain heat insulation and preservation effect, but, it in use manifests following defective: cost height, price height, the construction trouble, because material behavior, the cold and hot bridge that forms during construction can cause heat preservation and insulation to reduce; And do not have a fire-retardant fireproof performance, can discharge toxic and harmful after the burning, intensity is low, not wind suction prevention etc. critical defects such as (and be eliminated substantially) traditional perlite foaming insulation board are big because of hygroscopicity, and intensity is low.

Three, utility model content

The purpose of this utility model provides a kind of waterproof, fire-retardant, the better external wall energy-saving heat-insulation and heat-preservation structure of heat preservation and insulation.This novel purpose is achieved in that a kind of external wall energy-saving heat-insulation and heat-preservation structure, be used as at the cement basic layer that is provided with on the wall face and insulating on attached to cement basic layer, this insulating is the hollow beads insulating, and proof, flexible break resistant, and water-repellent screed, alkali resistant seal coat and heat insulating coatings layer are also arranged on this insulation layer successively.

Described proof, flexible break resistant, and water-repellent screed and do and also have level and smooth putty layer between the alkali seal coat.

Described heat insulating coatings layer adopts Du Lang heat insulating coatings DULENG; The alkali resistant seal coat adopts Du Lang sealing alkali resistant priming paint D001 or D002.

The thickness of described hollow beads insulating is 10-30mm.

The thickness of described proof, flexible break resistant, and water-repellent screed is 1-1.5mm.

In the technique scheme, the hollow beads insulating is to adopt hollow beads (existing goods, the particle diameter that is made through puffing foaming by pitchstone is the particulate of 0.01-500 micron), polymer as, but glue, cement dispersed latex dry powder etc., add water in aforementioned base materials and 1: 1.2 ratio of water and be mixed into slurry, it is put on the body of wall forms.When its thickness is 2cm, energy-conservationly reach 50%, its coefficient of thermal conductivity is 0.05w/m.k after testing, mainly plays the heat-insulation and heat-preservation effect; Proof, flexible break resistant, and water-repellent screed (prior art is mainly formed with organosilicon, quartz sand, cement) mainly plays cracking resistance, waterproof action; Level and smooth putty layer (prior art mainly plays the levelling effect); The sealing alkali resistant priming paint D001 of the French Du Lang of the optional usefulness of alkali resistant seal coat (DULENG) chemical industry group or waterproof sealing alkali resistant priming paint D002 mainly play anti-accumulation of salt in the surface soil effect); The heat insulating coatings layer is selected the heat insulating coatings DULENG of French Du Lang chemical industry group for use, mainly plays exterior trim, heat-insulation and heat-preservation effect, and paint film is smeared with 500g/m ²Meter detects its " energy-saving effect reaches more than 30% " through national chemical building material test center.

Compared with prior art, this novelly has following characteristics and an advantage:

1, be applicable to any body of wall (aerated blocks brick, hollow brick, cement shear wall etc.), strong adhesion, gas permeability, compliance are good.

2, have good heat insulation and preservation effect, energy-conservation reaching more than 65% surpasses energy conservation standard (65%) requirement of the Ministry of Construction.

3, have dual cracking resistance, waterproof action.Proof, flexible break resistant, and water-repellent screed and heat insulating coatings layer are formed anti-cracking waterproof twice defence line.

4, splendid resistance is burnt fireproof performance, is had no side effect;

5, exterior trim effect attractive in appearance.It is selective that this DULENG heat insulating coatings has thousands of kinds of colors, and its exterior wall finish effect is splendid.This coating is decorated with the trend that replaces existing ceramic tile exterior trim outward.

6, this novel genus light material.The dry density that detects as the hollow beads heat-insulation and heat-preservation layer material of primary structure layer through Sichuan Province's construction engineering quality inspection center only is 209kg/m ³

7, exterior trim effect attractive in appearance.The wall paint facing has the trend that replaces tile decorative surface outside the top grade aspect decorating outer wall of building.This novel DULENG heat insulating coatings is to adopt special resin, thermal insulation material, and inert filler and special auxiliary agent are refining to form.Have thermal properties such as high reflectance, high radiant rate, low thermal conductivity, low coefficient of heat accumulation.Shine upon down in the open the thermal radiation surface temperature is descended more than 30% (the about 0.5-0.7mm of thickness), the high temperature substrate physical efficiency is effectively reduced thermal loss, can effectively be incubated cryogenic object.Except that above-mentioned good heat preservation and insulation, this coating is base-material with the rutile type titanium white, can mix colours arbitrarily, and color change is multifarious, has splendid decorative effect.This coating film body has good weather, the performance of alkali resistance, uvioresistant, gas defence, fungi-proofing, anti-acid rain.

Four, description of drawings

Accompanying drawing is this novel structural representation.

Five, the specific embodiment

Accompanying drawing illustrates, this new structure is: cement basic layer 1 (plays the levelling effect at exterior wall, on building materials, as partition wall as base material, thickness determines as required) on be attached with hollow beads insulating 2 (thickness 10-30mm successively, general 20mm), proof, flexible break resistant, and water-repellent screed 3 (thickness 1-1.5mm), level and smooth putty layer 4, alkali resistant confining bed 5 (adopting the sealing alkali resistant priming paint D001 or the D002 of French Du Lang group) and heat insulating coatings layer 6 (adopting the heat insulating coatings DULENG of Du Lang group).

Embodiment 1 (using) as the exterior wall heat-insulation and heat-preservation

On wall face, scrape and smear cement basic layer 1, and levelling, after doing admittedly, the hollow beads heat-insulation and heat-preservation material (one-component) that stirs batch is scraped on cement basic layer (being advisable with 2cm in the area, Sichuan), do solid after, criticize again and scrape the proof, flexible break resistant, and water-repellent mortar, do solid after, criticize and scrape level and smooth putty, be coated with priming, roll or brush French Du Lang insulating mold coating.

Embodiment 2 (using) as partition wall

Make earlier cement basic layer 1, do solid after, with the hollow beads heat-insulation and heat-preservation material-paving that stirs on cement basic layer, behind dried the consolidating, re-lay the proof, flexible break resistant, and water-repellent mortar, behind dried the consolidating, criticize again and wipe satiny son off, be coated with priming at last and brush French Du Lang heat insulating coatings, get the finished product partition wall.

But brushing decorative paint on the external surface of the cement basic layer 1 of above-mentioned prefabricated partition wall.

Claims

1. An energy-saving, heat-insulating and heat-insulating structure for an exterior wall, which is used as a cement base (1) set on the exterior wall and a heat-insulation layer attached to the cement base. It is characterized in that the heat-insulation layer is hollow microspheres A thermal insulation layer (2), on which there are successively a flexible crack-resistant and waterproof mortar layer (3), an alkali-resistant sealing coating (5) and a thermal insulation coating layer (6).

2. The thermal insulation structure according to claim 1, characterized in that there is a smooth putty layer (4) between the flexible crack-resistant and waterproof mortar layer (3) and the alkali-resistant sealing coating (5).

3. The thermal insulation structure according to claim 1 or 2, characterized in that, the thermal insulation coating layer (6) adopts DULENG thermal insulation coating; the alkali-resistant sealing coating (5) is sealed with Duran Alkali-resistant primer D001 or D002.

4. The thermal insulation structure according to claim 3, characterized in that the thickness of the hollow microbead thermal insulation layer (2) is 10-30mm.

5. The thermal insulation structure according to claim 4, characterized in that the thickness of the hollow microbead thermal insulation layer (2) is 20mm.

6. The thermal insulation structure according to claim 4, characterized in that the thickness of the flexible crack-resistant and waterproof mortar layer (3) is 1-1.5mm.