CN114412006A - Composite heat preservation system applied to refrigeration house - Google Patents

Composite heat preservation system applied to refrigeration house Download PDF

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Publication number
CN114412006A
CN114412006A CN202210134303.7A CN202210134303A CN114412006A CN 114412006 A CN114412006 A CN 114412006A CN 202210134303 A CN202210134303 A CN 202210134303A CN 114412006 A CN114412006 A CN 114412006A
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China
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wall body
polyurethane
heat
keel
room
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CN202210134303.7A
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CN114412006B (en
Inventor
邴全
包双福
李君�
徐忠成
汪锴亮
李澎
王子聪
张志猛
白辉祥
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China Construction Third Bureau Group Beijing Co ltd
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China Construction Third Bureau Group Beijing Co ltd
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/762—Exterior insulation of exterior walls
    • E04B1/7625—Details of the adhesive connection of the insulation to the wall
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/80—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of wood
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
    • E04C5/03—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
    • E04H5/10—Buildings forming part of cooling plants
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0202—Details of connections
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Building Environments (AREA)

Abstract

The invention discloses a composite heat insulation system applied to a refrigeration house, wherein a storage room is arranged in the refrigeration house, one side of the storage room is provided with a through room, a goods door for goods to enter and exit is arranged between the through room and the storage room, the storage room and the through room are respectively provided with a masonry wall body, the storage room is correspondingly arranged on the wall body at the inner side of the through room and is provided with an inner heat insulation wall body, and the wall body of the storage room correspondingly contacted with the outer environment is provided with an outer heat insulation wall body; the inner heat-insulating wall body comprises a polyurethane heat-insulating layer, a wood keel and a color steel decorative panel, the polyurethane heat-insulating layer is sprayed on the masonry wall body, the wood keel is fixed on the masonry wall body, and the color steel decorative panel is fixed on the wood keel; the outer heat preservation wall body includes polyurethane cushion, fossil fragments subassembly, polyurethane heat preservation and various steel rock wool core sandwich decorative board, and the fossil fragments subassembly is fixed on the wall body of building by laying bricks or stones of the storing room outside, and corresponds the junction transition and have the polyurethane cushion who plays the cold bridge effect of breaking, and the spraying of polyurethane heat preservation is on building by laying bricks or stones the wall body, and various steel rock wool core sandwich decorative board is fixed on the fossil fragments subassembly.

Description

Composite heat preservation system applied to refrigeration house
Technical Field
The invention relates to a heat insulation project, in particular to a composite heat insulation system applied to a refrigeration house.
Background
The cold storage is a building which uses artificial refrigeration to make the fixed space reach the specified temperature so as to store articles, can get rid of the influence of climate, and can prolong the storage and fresh-keeping period of agricultural and animal products so as to facilitate the processing of food at any time. In recent years, with the rapid development of the cold-chain logistics industry in China, the design and construction market of the refrigeration storage also steps into the express way of the industry development. In order to realize the function of the refrigeration house, the heat preservation process is the core in the design and construction process. The traditional refrigeration house mostly adopts an internal heat insulation process, and has low engineering quality, high cost and poor operation effect.
Therefore, how to provide a composite heat preservation system for a refrigeration house, which has high engineering quality, low cost, good operation effect, energy conservation and environmental protection, is a problem that needs to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of the above, the invention provides a composite heat insulation system applied to a refrigeration house, which has the advantages of easily controlled engineering quality, low cost, good later-stage operation effect, energy conservation and environmental protection.
In order to achieve the purpose, the invention adopts the following technical scheme: a composite heat insulation system applied to a refrigeration house is characterized in that a storage room is arranged in the refrigeration house, a through room is arranged on one side of the storage room, a goods door for goods to enter and exit is arranged between the through room and the storage room, masonry walls are arranged in the storage room and the through room, an inner heat insulation wall body is arranged on the wall body, corresponding to the storage room, on the inner side of the through room, an outer heat insulation wall body is arranged on the wall body, corresponding to the outer environment, of the storage room;
the inner heat-insulation wall body comprises a polyurethane heat-insulation layer, a wood keel and a color steel veneer, wherein the polyurethane heat-insulation layer is sprayed on the masonry wall body, the wood keel is fixed on the masonry wall body, and the color steel veneer is fixedly connected to the wood keel;
the outer heat-preservation wall body includes polyurethane cushion, fossil fragments subassembly, polyurethane heat preservation and various steel rock wool core sandwich decorative board, the fossil fragments subassembly is fixed on the wall body of building in the storing room outside, and correspond the junction transition have play the cold bridge of breaking the effect the polyurethane cushion, polyurethane heat preservation spraying is on building the wall body by laying bricks or stones, various steel rock wool core sandwich decorative board fixed connection be in on the fossil fragments subassembly.
The invention has the beneficial effects that: the traditional heat preservation process in the refrigeration house is changed, the outer heat preservation wall body and the inner heat preservation wall body are arranged on the outer side of the refrigeration house storage room and the inner side of the through hall, the heat preservation effect is achieved, the construction is convenient, the construction cost is integrally reduced, the energy is saved, the environment is protected, specifically, the inner heat preservation wall body comprises a polyurethane heat preservation layer, a wood keel and a color steel veneer, the polyurethane heat preservation layer is sprayed on the masonry wall body, the wood keel is fixed on the masonry wall body, and the color steel veneer is fixedly connected on the wood keel; wooden keel plays the cold bridge function of breaking, the outer heat preservation wall body includes the polyurethane cushion, the fossil fragments subassembly, polyurethane heat preservation and various steel rock wool press from both sides core decorative board, the fossil fragments subassembly is fixed on the wall body of building in the storing room outside, and it has the polyurethane cushion that plays the cold bridge function of breaking to correspond the junction transition, polyurethane heat preservation spraying is on building the wall body by laying bricks or stones, various steel rock wool press from both sides core decorative board fixed connection on the fossil fragments subassembly, various steel rock wool press from both sides core decorative board as the decorative board, not only possess and seal, the function of decoration, the rock wool layer of its core of pressing from both sides also possesses certain thermal-insulated, the heat preservation effect.
Preferably, the polyurethane insulation layer is formed by polyurethane spray foam.
Preferably, the keel component comprises a support plate, a channel steel conversion piece, a transverse main keel and a longitudinal secondary keel, a bolt hole is reserved in the polyurethane cushion block, the support plate is fixedly connected with the masonry wall, the polyurethane cushion block is fixed between the support plate and the masonry wall, the channel steel conversion piece is fixedly welded with the support plate, the channel steel conversion piece is perpendicular to the masonry wall, the transverse main keel is fixedly welded on the channel steel conversion piece, the longitudinal secondary keel is welded on the transverse main keel, and the transverse main keel and the longitudinal secondary keel are both at a preset distance of the thickness of the sprayed polyurethane insulation layer from the masonry wall.
Preferably, the transverse main keels are galvanized square steel pipes, and the longitudinal secondary keels are galvanized C-shaped steel.
Preferably, the outer side surface of the polyurethane heat-insulating layer is provided with a mortar leveling layer, and a steel wire mesh is fixedly connected in the mortar leveling layer.
Preferably, the mortar leveling layer is paved with a self-adhesive heat-insulating vapor-barrier film, and the self-adhesive heat-insulating vapor-barrier film is formed by compounding an aluminum film and an asphalt material.
Drawings
FIG. 1 is a schematic view of the layout of a refrigerator according to the present invention;
FIG. 2 is a schematic view of an external thermal insulation wall of the composite thermal insulation system applied to a refrigerator according to the present invention;
fig. 3 is a schematic view of an inner heat-insulating wall of the composite heat-insulating system applied to a refrigeration house.
The building comprises a storage room 1, a hall 2, a masonry wall 3, an inner heat insulation wall 4, a polyurethane heat insulation layer 41, a wood keel 42, a color steel veneer 43, an outer heat insulation wall 5, a polyurethane cushion 51, a keel component 52, a support plate 521, a channel steel 522 conversion piece, a transverse main keel 523, a longitudinal secondary keel 524, a color steel rock wool sandwich decorative plate 53, a cargo door 6 and a mortar leveling layer 7.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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. Referring to the attached drawings 1 to 3 of the invention, according to the composite heat insulation system applied to the refrigeration house of the embodiment of the invention, the refrigeration house is internally provided with a storage room 1, one side of the storage room 1 is provided with a through room 2, a goods door 6 for goods to enter and exit is arranged between the through room 2 and the storage room 1, the storage room 1 and the through room 2 are both provided with masonry walls 3, the storage room 1 is correspondingly arranged on the wall body at the inner side of the through room 2 and is provided with an inner heat insulation wall body 4, and the wall body of the storage room 1 correspondingly contacted with the outer environment is provided with an outer heat insulation wall body 5;
in a cold storage, a freezing room, a refrigerating room and other low-temperature rooms and outdoor spaces, traffic lines are not directly generated, and halls are generally arranged at the positions of goods inlet and outlet passages of the cooling room, the freezing room, the refrigerating room and the like.
The inner heat-insulating wall body 4 comprises a polyurethane heat-insulating layer 41, a wood keel 42 and a color steel veneer 43, wherein the polyurethane heat-insulating layer 41 is sprayed on the masonry wall body, the wood keel 42 is fixed on the masonry wall body, and the color steel veneer is fixedly connected on the wood keel; the wood keel is used as a support keel of the color steel plate, and simultaneously, the function of breaking a cold bridge is realized; the polyurethane heat-insulating layer is the core of the heat-insulating system and plays a main role in heat insulation; the color steel veneer only plays a decorative function.
The outer heat preservation wall body 5 includes polyurethane cushion 51, fossil fragments subassembly 52, polyurethane heat preservation and various steel rock wool core decorative board 53, and fossil fragments subassembly 52 is fixed on the wall body of building by laying bricks or stones in the storing room 1 outside, and corresponds the junction transition and have the polyurethane cushion 51 that plays the cold bridge effect of breaking, and the polyurethane heat preservation spraying is on building by laying bricks or stones the wall body, and various steel rock wool core decorative board fixed connection is on the fossil fragments subassembly. The color steel rock wool sandwich decorative plate is used as a veneer, not only has the functions of sealing and decoration, but also has certain heat insulation and heat preservation effects on the rock wool layer sandwiched by the color steel rock wool sandwich decorative plate.
Specifically, the polyurethane heat-insulating layer is formed by polyurethane spraying foam. The main material is polyurethane spray foam which is prepared by the reaction of isocyanate and combined polyether. The polyurethane has the advantages of heat insulation, high electricity-saving efficiency and greenness; the weight is light, and the load is reduced; the waterproof performance is excellent; the service life is long, and the adaptability to the environment is strong; strong bonding capability, good flame retardance and the like. It is mainly used for heat insulation and cold insulation of refrigerated trucks, storage tanks, pipelines, refrigeration houses, beer fermentation tanks and fresh-keeping barrels, heat insulation and water prevention of house buildings, and is also suitable for prefabricated polyurethane plates, pipe shells, arc plates and the like.
The combined polyether contains a foaming agent, the boiling point of the foaming agent is low, and the foaming agent can be quickly vaporized after the temperature exceeds the boiling point; under the action of various auxiliary agents such as foaming agent, catalyst, fire retardant and the like, mixing the materials by special equipment, and carrying out high-pressure spraying and on-site foaming.
In other embodiments, the keel assembly 52 includes a support plate 521, a channel steel converter 522, a transverse main keel 523 and a longitudinal secondary keel 524, bolt holes are reserved on the polyurethane pad 51, the support plate 521 is fixedly connected with the masonry wall, the polyurethane pad 51 is fixed between the support plate and the masonry wall, the channel steel converter is fixedly welded to the support plate 521, the channel steel converter is perpendicular to the masonry wall, the transverse main keel 523 is fixedly welded to the channel steel converter 522, the longitudinal secondary keel 524 is welded to the transverse main keel 523, and the transverse main keel 523 and the longitudinal secondary keel 524 are both at a predetermined distance from the masonry wall corresponding to the thickness of the sprayed polyurethane insulation layer.
In other embodiments, the transverse main runners 523 are galvanized square steel tubes and the gauge 160 x 80 x 6 longitudinal cross runners 524 are galvanized C-section steel. Specification is C100 x 50 x 20 x 2.5.
In other embodiments, a mortar leveling layer is arranged on the outer side surface of the polyurethane heat-insulating layer, and a steel wire mesh is fixedly connected in the mortar leveling layer.
In other specific embodiments, a self-adhesive heat-insulating vapor-barrier film is laid on the mortar leveling layer, and the self-adhesive heat-insulating vapor-barrier film is formed by compounding an aluminum film and an asphalt material.
(1) The construction process comprises the following steps: cleaning a base layer → installing a wall surface steel plate support and a channel steel conversion piece (a polyurethane cushion block is arranged between a support plate and a masonry wall surface and is fixed by a bolt of the support plate) → installing a transverse main keel, a longitudinal secondary keel → spraying a polyurethane heat insulation layer → coating an anti-crack mortar leveling layer (an inner steel distribution wire mesh) → paving a self-adhesive heat-insulation steam-insulation film → installing a color steel rock wool sandwich board decorative surface.
(2) Before the heat preservation construction, the main structure body and the like are accepted and qualified by relevant departments. The verticality and the flatness of the wall surface base layer meet the requirements of the current national construction and acceptance standard. Before construction, the outer base layer of the masonry wall body needs to be cleaned, and the base layer needs to be dry, clean, solid and flat and free of floating dust, slurry dripping, oil stain, hollowing, edge warping and the like.
(3) The steel plate support of the outer wall surface of the refrigeration house is separated from the masonry wall surface, so that a cold bridge is avoided, and only a rear embedded part can be adopted. The preformed hole on the polyurethane cushion block is consistent with the preformed hole on the support plate in position, the preformed hole of the chemical anchor bolt passing through the polyurethane cushion block and the steel plate support is fixed on the wall surface, and the polyurethane cushion block is arranged between the support plate and the wall surface and plays a role in breaking a cold bridge. The support plate and the channel steel conversion piece are welded in advance, and the steel plate support is installed while the channel steel conversion piece is installed.
(4) Firstly, a transverse main keel is welded on a channel steel conversion piece, the main keel is a galvanized square steel tube with the specification of 160X 80X 6, and the distance between the main keel and a wall surface is required to be observed during welding, so that the thickness of the main keel is ensured not to be smaller than the thickness of a polyurethane heat insulation layer, and the keel is prevented from invading into the heat insulation layer to influence the thickness of the heat insulation layer.
And after the main keels are welded, welding the vertical secondary keels, wherein the vertical secondary keels are made of galvanized C-shaped steel and have the specification of C100X 50X 20X 2.5. Similarly, the distance between the keel and the wall surface is also required to be noticed during welding of the secondary keel, so that the thickness of the keel is ensured not to be smaller than that of the polyurethane heat-insulating layer, and the influence on the thickness of the heat-insulating layer due to the fact that the keel is immersed into the heat-insulating layer is avoided.
The materials and parameters of the main keel and the secondary keel can be adjusted according to the stress of the exterior wall veneer, but the anti-corrosion treatment of the steel pipe and the welding line position is needed to be carried out while the safety of the exterior wall is ensured.
(5) The polyurethane heat-insulating layer needs to be sprayed layer by layer from top to bottom, the thickness of the foam sprayed for the first time on the bottom layer is generally about 10mm, and the thickness of the subsequent single layers is controlled to be about 30 mm. The distance between the spray gun and the base surface or the spraying finish surface on the upper layer is about 800mm, and the requirement of the design thickness is met after the spray gun is sprayed for a plurality of times. The spraying process is preferably carried out at intervals, so that the polyurethane fully releases stress, and the hard foam polyurethane foam has more stable properties. The interval type spraying adopts transverse intervals or longitudinal intervals, the transverse intervals are generally set according to the spacing of the main keels and are generally 3-4 m, the spraying of a first span, a third span … … and the like is respectively carried out from top to bottom, and then the spraying of a second span, a fourth span … … and the like is carried out; the longitudinal interval is generally set according to the distance between the secondary keels, is generally 3 m-4 m, and can be from left to right or from right to left, the construction sequence is similar to the transverse interval, and the description is omitted here.
(6) And (3) finishing the polyurethane foaming spraying construction for 48h, fixing a steel wire mesh on the surface of the polyurethane heat-insulating layer by using plastic heat-insulating nails after the polyurethane foaming is stable, and then plastering by using anti-crack mortar.
(7) The self-adhesion heat-insulation steam-insulation film is formed by compounding an aluminum film and asphalt, and the self-adhesion function is realized by utilizing the viscosity of the asphalt. And paving and pasting a self-adhesive heat-insulating steam-isolating film on the anti-crack mortar leveling layer, paving and pasting from bottom to top, wherein the lap joint is not less than 100mm, so that the self-adhesive film on the upper side is enabled to cover and press the self-adhesive film on the lower side, and the paving and pasting are required to be smooth and orderly.
(8) After the heat-insulating and steam-insulating film is laid and attached, the color steel rock wool sandwich decorative plate is installed to form an outer decorative surface. The rock wool sandwich decorative plate is fixed on the C-shaped steel secondary keel by a self-tapping screw, the installation is straight and flat, and the plate seam is closed by a decorative pressing strip.
The heat preservation system used by the invention has good waterproof performance. Because of the on-the-spot spraying, the foam hole is closed, and the closure rate reaches 95%, forms whole waterproof layer, does not have the seam, and the rainwater can not leak from the interpore, reduces construction cost, simultaneously, and is not fragile, reduces maintenance work load, reduces later stage maintenance rate.
If the heat-insulating layer and the waterproof layer are separated, the manufacturing cost is high, the construction period is long, the polyurethane foam survives once, the heat-insulating and waterproof functions are achieved, and the manufacturing cost is low. The integrated heat-insulating and waterproof system of the traditional internal heat-insulating process wall surface has the comprehensive single square meter cost of 1150-; when the external heat insulation process is adopted, the comprehensive single square meter cost of the integral heat insulation waterproof system of the wall surface is about 1100 yuan, so that the better heat insulation waterproof effect can be achieved, and the cost can be saved.
Is beneficial to the realization of energy conservation and environmental protection. The core heat-insulating material of the heat-insulating system is polyurethane rigid foam, the heat conductivity coefficient of the polyurethane rigid foam is about 0.025, and the polyurethane rigid foam is a material with better heat-insulating property for buildings. By applying the construction method, the operation energy consumption can be reduced to the greatest extent, and the construction method is favorable for realizing energy conservation and environmental protection in the operation process.
The construction is simple and fast. The method adopts a high-efficiency polyurethane spraying machine, is simple to operate, and can realize the control of equipment by only three persons (one gunner and 2 control hands); each unit can be sprayed with about 200 square meters every day, so that the construction efficiency is high, and the construction progress can be guaranteed.
For the device and the using method disclosed by the embodiment, the description is simple because the device and the using method correspond to the method disclosed by the embodiment, and the relevant points can be referred to the description of the method part.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. A composite heat insulation system applied to a refrigeration house is characterized in that a storage room is arranged in the refrigeration house, a through room is arranged on one side of the storage room, and a goods door for goods to enter and exit is arranged between the through room and the storage room;
the inner heat-insulation wall body comprises a polyurethane heat-insulation layer, a wood keel and a color steel veneer, wherein the polyurethane heat-insulation layer is sprayed on the masonry wall body, the wood keel is fixed on the masonry wall body, and the color steel veneer is fixedly connected to the wood keel;
the outer heat-preservation wall body includes polyurethane cushion, fossil fragments subassembly, polyurethane heat preservation and various steel rock wool core sandwich decorative board, the fossil fragments subassembly is fixed on the wall body of building in the storing room outside, and correspond the junction transition have play the cold bridge of breaking the effect the polyurethane cushion, polyurethane heat preservation spraying is on building the wall body by laying bricks or stones, various steel rock wool core sandwich decorative board fixed connection be in on the fossil fragments subassembly.
2. The composite thermal insulation system for the refrigeration house according to claim 1, wherein the polyurethane thermal insulation layer is formed by polyurethane spray foam.
3. The composite thermal insulation system applied to the refrigerator according to claim 1, wherein the keel assembly comprises a support plate, a channel steel converter, a transverse main keel and a longitudinal secondary keel, bolt holes are reserved in the polyurethane cushion block, the support plate is fixedly connected with the masonry wall, the polyurethane cushion block is fixed between the support plate and the masonry wall, the channel steel converter is fixedly welded with the support plate, the channel steel converter is perpendicular to the masonry wall, the transverse main keel is fixedly welded on the channel steel converter, the longitudinal secondary keel is welded on the transverse main keel, and the transverse main keel and the longitudinal secondary keel are both at a predetermined distance from the masonry wall, wherein the thickness of the polyurethane thermal insulation layer is sprayed on the transverse main keel.
4. The composite heat-insulating system applied to the refrigeration house according to claim 3, wherein the transverse main keels are galvanized square steel pipes, and the longitudinal secondary keels are galvanized C-shaped steel.
5. The composite heat insulation system applied to the refrigeration house according to claim 1, wherein a mortar leveling layer is arranged on the outer side surface of the polyurethane heat insulation layer, and a steel wire mesh is fixedly connected in the mortar leveling layer.
6. The composite heat preservation system applied to the refrigeration house according to claim 5, wherein the mortar leveling layer is paved with a self-adhesive heat-insulating vapor-barrier film, and the self-adhesive heat-insulating vapor-barrier film is formed by compounding an aluminum film and an asphalt material.
CN202210134303.7A 2022-02-14 2022-02-14 Be applied to compound heat preservation system of freezer Active CN114412006B (en)

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CN202210134303.7A CN114412006B (en) 2022-02-14 2022-02-14 Be applied to compound heat preservation system of freezer

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