CN218060858U

CN218060858U - External thermal insulation system with fireproof isolation structure for external wall

Info

Publication number: CN218060858U
Application number: CN202221874087.1U
Authority: CN
Inventors: 朱广祥; 康永生; 周鑫; 胡佳勇; 董玉娟; 张海欣; 汲彤焱; 胡晓晗
Original assignee: HEILONGJIANG PROV ACADEMY OF COLD AREA BUILDING RESEARCH
Current assignee: HEILONGJIANG PROV ACADEMY OF COLD AREA BUILDING RESEARCH
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-12-16
Anticipated expiration: 2032-07-20

Abstract

An external thermal insulation system with a fireproof isolation structure for an external wall. The building outer wall external thermal insulation engineering of non-A-level thermal insulation materials needs to be additionally provided with a fireproof isolation strip in the construction process, but the area of the non-fireproof isolation strip is easy to burn and the burning area is uncontrollable, and the fire can cross the fireproof isolation strip to burn when the fire is large, so that the fire condition is spread. The utility model discloses the well basic unit's wall body outside is equipped with composite heat preservation, composite heat preservation includes the vertical sheet layer of multiseriate, the vertical range side by side of direction of height of the vertical sheet layer edge basic unit's wall body of multiseriate, every vertical sheet layer of row is formed from last vertical setting in proper order down by a plurality of composite sheets, every composite sheet includes A level fire prevention heated board and B level heated board, A level fire prevention heated board and B level heated board rigid coupling are as an organic whole, A level fire prevention heated board one side pastes tightly with B level heated board one side mutually, a plurality of A level fire prevention heated boards establish in proper order in the basic unit's wall body outside in turn, a plurality of A level fire prevention heated boards paste tightly from last to down in proper order and form dislocation and link up fire prevention isolation tectonic layer.

Description

External thermal insulation system with fireproof isolation structure for external wall

Technical Field

The utility model particularly relates to a from outer wall external insulation system of taking fire prevention isolation structure.

Background

The building external wall external heat-insulating thin plastering system is generally formed by combining materials such as a finishing material, a plastering mortar, glass fiber gridding cloth, a flame-retardant molded polystyrene foam board (EPS) or an extruded sheet (XPS) or a hard foam polyurethane board or a rock wool board, an adhesive and the like, and the external wall heat-insulating board is produced in batches in factories and is bonded and constructed on site. In order to improve the thermal insulation performance of the external wall of industrial and civil buildings, B-level flame-retardant or combustible organic thermal insulation materials are mostly adopted in the external thermal insulation structure of the external wall of the building at present, namely, the external thermal insulation engineering of the external wall of the building is a non-A-level thermal insulation material, when the external thermal insulation engineering of the external wall of the building adopts a thin-plastered external thermal insulation system building, the external thermal insulation engineering of the external wall of the building is not good in operation and maintenance, and is easy to bulge, crack and fall off, internal and external fire sources are easy to cause the B-level organic thermal insulation material to cause fire, and transverse and vertical fire spread, so that serious potential safety hazards and economic loss are caused. Even if fire-resistant isolation zones are arranged to prevent fire from spreading, fire between floors or isolation zones can cause large-area fire. The fireproof heat-insulation structure is low in cost, simple and feasible in production, manufacturing and field construction, and capable of preventing the fire spread of the whole building caused by local fire points of the building facade heat-insulation layer.

Disclosure of Invention

In order to overcome the defects in the prior art, an external thermal insulation system with a fireproof isolation structure is provided to solve the problems.

The outer wall external thermal insulation system with the fireproof isolation structure comprises a base wall body and a composite thermal insulation layer, wherein the outer side of the base wall body is provided with the composite thermal insulation layer, the composite thermal insulation layer comprises a plurality of rows of longitudinal plate layers, the plurality of rows of longitudinal plate layers are vertically arranged in parallel along the height direction of the base wall body, each row of longitudinal plate layers is formed by sequentially and vertically arranging a plurality of composite plates from top to bottom, each composite plate comprises an A-grade fireproof thermal insulation plate and a B-grade thermal insulation plate, the A-grade fireproof thermal insulation plates and the B-grade thermal insulation plates are vertically arranged in parallel, the A-grade fireproof thermal insulation plates and the B-grade thermal insulation plates are fixedly connected into a whole, one side of each A-grade fireproof thermal insulation plate is tightly attached to one side of each B-grade thermal insulation plate, the A-grade fireproof thermal insulation plates of the plurality of composite plates are sequentially and alternately arranged on the outer side of the base wall body from top to bottom, one composite plate of the plurality of composite plates is a central composite plate, when the A-grade fireproof thermal insulation plates of the central composite plates are attached to the base wall body, one of the central composite plates, the upper composite plate is an adjacent composite plate, the A-grade fireproof thermal insulation plates is far away from the base wall body, and the lower end of the upper composite plate is tightly attached to the lower end of the central composite plate; put the adjacent composite sheet in composite sheet below for lower composite sheet, the A level fire prevention heated board of lower composite sheet keeps away from basic unit's wall body setting, and the lower extreme of the A level fire prevention heated board of putting the composite sheet in pastes tightly mutually with the A level fire prevention heated board upper end of lower composite sheet, and a plurality of A level fire prevention heated boards of a plurality of composite sheets paste tightly from last to down in proper order and form the dislocation and link up the fire prevention isolation tectonic layer.

As a preferable scheme: when the thickness of the B-level heat preservation plate is smaller than that of the A-level fireproof heat preservation plate, the thickness of the B-level heat preservation plate is smaller than and equal to one half of that of the A-level fireproof heat preservation plate.

As a preferable scheme: one composite plate in a row of longitudinal plate layers close to one end of the middle composite plate is a first plate body, the central axis of the first plate body in the length direction and the central axis of the middle composite plate in the length direction are positioned on the same horizontal line, and the A-grade fireproof heat-insulation plate of the first plate body is arranged far away from the base wall; one of the longitudinal plate layers close to the other end of the middle composite plate is a second plate body, the central axis of the second plate body in the length direction and the central axis of the middle composite plate in the length direction are on the same horizontal line, and the A-level fireproof heat-insulation plate of the second plate body is far away from the base wall.

As a preferable scheme: when the thickness of A level fire prevention heated board is less than the thickness of B level heated board, the upper end of the A level fire prevention heated board of putting the composite sheet in pastes tightly mutually through the A level fire prevention heated board lower extreme of first fire prevention heat preservation and last composite sheet, and first fire prevention heat preservation slope sets up between last composite sheet and the built-in composite sheet, and the lower extreme of the A level fire prevention heated board of putting the composite sheet in pastes tightly mutually through the A level fire prevention heated board upper end of second fire prevention heat preservation and lower composite sheet, and the slope of second fire prevention heat preservation sets up in between composite sheet and the lower composite sheet.

As a preferable scheme: the composite insulation layer is connected with the basic unit wall body through the first adhesive layer towards one side of the basic unit wall body, and the composite insulation layer is connected with the basic unit wall body through a plurality of first anchor bolts.

The outer wall external thermal insulation system comprises a base wall body and a composite thermal insulation layer, wherein the outer side of the base wall body is provided with the composite thermal insulation layer, the composite thermal insulation layer comprises a plurality of rows of longitudinal plate layers, the plurality of rows of longitudinal plate layers are vertically arranged in parallel along the height direction of the base wall body, each row of longitudinal plate layers is formed by sequentially and vertically arranging a plurality of composite plates from top to bottom, each composite plate comprises a B-level inner thermal insulation plate, an A-level outer fire-proof thermal insulation plate, an A-level upper fire-proof thermal insulation strip and an A-level lower fire-proof thermal insulation strip, the A-level upper fire-proof thermal insulation strip and the A-level lower fire-proof thermal insulation strip are horizontally arranged on the outer side of the base wall body from top to bottom, the B-level inner thermal insulation plate and the A-level outer fire-proof thermal insulation plate are vertically arranged in parallel between the A-level upper fire-proof thermal insulation strip and the A-level lower fire-proof thermal insulation strip, the outer side of the B-level inner thermal insulation plate is fixedly connected with the inner side of the A-level, the inner side of the B-level inner thermal insulation plate is attached to the base wall body, the A-level upper fire-level thermal insulation plate, the A-level outer fire-level thermal insulation plate and the A-level outer fire-level thermal insulation plate are fixedly connected in sequence to form a 21274character structure body.

As a preferable scheme: the thickness of the A-level external fireproof insulation board is smaller than that of the B-level internal insulation board, and the thickness of the A-level external fireproof insulation board is smaller than and equal to one half of that of the B-level internal insulation board.

As a preferable scheme: the composite heat-insulating layer is connected with the base wall body through the second adhesive layer towards one side of the base wall body, and the composite heat-insulating layer and the base wall body are connected through a plurality of second anchor bolts.

The beneficial effects of the utility model reside in that:

1. the utility model adopts inorganic and organic heat-insulating materials for compounding, thus reducing the hidden danger of non-point source fire; meanwhile, in the construction of the heat insulation layer, the A-level fireproof heat insulation board is an inorganic heat insulation board, the B-level heat insulation board is an organic heat insulation board, the inorganic heat insulation board and the organic heat insulation board are alternately turned and pasted on the base layer wall, non-communicating measures between the upper, lower, left and right adjacent organic heat insulation boards in the composite heat insulation layer are achieved, the large-area spread of fire caused by local fire points is reduced, and therefore the fireproof safety of the external heat insulation system of the external wall is comprehensively improved.

2. The utility model discloses a mutually support between basic unit's wall body and the composite heat preservation and can realize that the outer wall body also can realize omnidirectional subregion fire prevention effect except that the fire zone is regional, a plurality of A level fire prevention heated boards of a plurality of composite sheets are from last to pasting in proper order down and forming dislocation link up fire prevention isolation tectonic layer, form the overall position fire resistive structure form, in case the condition of a fire appears, A level fire prevention heated board and B level heated board appear in turn all in outer wall face horizontal direction and/or vertical direction, meet naked light and can realize the subregion burning, the heat preservation is the combustion area promptly, A level fire prevention heated board is the non-combustion area, fire behavior and thermal insulation performance cooperate in turn, can separate the processing all around with having burnt the region, separation combustion area, thoroughly prevent the condition emergence of the combustion area secondary enlargement of a fire point.

Drawings

Fig. 1 is a schematic side view of a first embodiment of the present invention;

fig. 2 is a schematic side view of a composite plate according to a first embodiment of the present invention;

fig. 3 is a schematic perspective view of a composite plate according to a first structural form of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 5 is a cross-sectional side view of a staggered fire barrier construction;

fig. 6 is a schematic side view of a second embodiment of the present invention;

fig. 7 is a schematic side view of a composite plate according to a second embodiment of the present invention;

fig. 8 is a schematic side view of a third embodiment of the present invention;

fig. 9 is a schematic side view of a composite plate according to a third embodiment of the present invention;

fig. 10 is a schematic front view of a connection relationship between a plurality of composite plates according to a first structural form of the present invention.

In the figure: 1-A-level fireproof insulation board; 2-B level insulation board; 5-B level inner insulation board; 6-A grade external fireproof insulation board; 7-A level upper fireproof heat preservation strip; 8-A-level lower fireproof heat-insulating strip; 10-a base layer wall; 11-middle composite board; 12-a first plate body; 13-a second plate body; 14-a second fireproof heat-insulating layer; 15-a first fireproof heat-insulating layer; 20-staggered through fireproof isolation structure layers; 21-a first adhesive layer; 22-a first anchor bolt; 23-a second adhesive layer; 24-a second anchor bolt; 25-coating a surface layer; 26-finishing coat.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

The first embodiment is as follows: the embodiment is described with reference to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 10, and includes a base wall 10 and a composite heat insulation layer, a composite heat insulation layer is disposed on an outer side of the base wall 10, the composite heat insulation layer includes a plurality of longitudinal plate layers, the longitudinal plate layers are vertically arranged in parallel along a height direction of the base wall 10, each longitudinal plate layer is formed by a plurality of composite plates vertically arranged from top to bottom in sequence, the composite plate is a composite heat insulation plate, each composite plate includes an a-level fire insulation plate 1 and a B-level heat insulation plate 2, the a-level fire insulation plate 1 and the B-level heat insulation plate 2 are vertically arranged in parallel, the a-level fire insulation plate 1 and the B-level heat insulation plate 2 are fixedly connected into a whole, one side of the a-level fire insulation plate 1 is tightly attached to one side of the B-level heat insulation plate 2, the a-level fire insulation plates 1 of the plurality of composite plates are alternately arranged on an outer side of the base wall 10 from bottom in sequence, one of the plurality of the composite plates in sequence is the composite plate 11, when the a-level fire insulation plate 1 attached to the base wall 10, one of the composite plate 11 is attached to the base wall 10, the composite plate 1, the composite plate is attached to a-level fire insulation plate 1, the composite plate 11, and the composite plate 1, the composite plate is attached to the upper end of the composite plate is attached to the composite plate 11; put 11 below adjacent composite sheets in composite sheet and be lower composite sheet, the A level fire prevention heated board 1 of lower composite sheet keeps away from basic unit's wall 10 setting, and the lower extreme of the A level fire prevention heated board 1 of putting composite sheet 11 in pastes tightly mutually with the 1 upper end of the A level fire prevention heated board of lower composite sheet, and a plurality of A level fire prevention heated boards 1 of a plurality of composite sheets paste tightly from last to down in proper order and form the dislocation and link up fire prevention isolation tectonic layer 20. Dislocation link up fire prevention isolation tectonic layer 20 is one kind from last to zigzag line shape fire prevention lamella down, including a plurality of A level fire prevention heated board 1, the central axis non-same vertical line of a plurality of A level fire prevention heated board 1 direction of height, but a plurality of A level fire prevention heated board 1 dislocation and hug closely the connection in proper order, the central axis of a plurality of A level fire prevention heated board 1 direction of height is in two vertical lines that set up side by side respectively. The central axis of the height direction of the A-level fireproof heat-insulation board 1 of the middle-placed composite board 11 is positioned on a vertical line, the central axes of the A-level fireproof heat-insulation board 1 of the upper composite board and the A-level fireproof heat-insulation board 1 of the lower composite board are arranged on the same line, and the central axes are positioned on another vertical line simultaneously.

In this embodiment, a plurality of a level fireproof heat preservation boards 1 of a plurality of composite boards are from last to pasting closely in proper order under to in the basic unit's wall body 10, compound heat preservation layer and the compound heat preservation layer and lining up the outer wall structure that fireproof isolation tectonic layer 20 formed and do the utility model discloses a structural style.

In the embodiment, the A-level fireproof heat-insulation board 1 is an inorganic heat-insulation layer, the B-level heat-insulation board 2 is an organic heat-insulation layer, and the inorganic heat-insulation layer and the organic heat-insulation layer are alternately turned and adhered to the base wall 10.

In this embodiment, a finishing layer 25 and a finishing layer 26 are sequentially arranged on the outer side of the composite heat-insulating layer from inside to outside.

A level fire prevention heated board 1 specifically is the rock wool board for the compound plate body that can prevent fires and keep warm that current A level fire-proof material made in this embodiment.

In this embodiment, the B-level insulation board 2 is a board body capable of realizing insulation in the existing B-level, specifically, a polyurethane or polystyrene board.

The second embodiment is as follows: the present embodiment is a further limitation of the first specific embodiment, and when the thickness of the B-level insulation board 2 is smaller than the thickness of the a-level fireproof insulation board 1, the thickness of the B-level insulation board 2 is smaller than and equal to one half of the thickness of the a-level fireproof insulation board 1. The thickness relation that so sets up is in order to ensure that a plurality of A level fire prevention heated board 1 contact formation continuous protective structure form in proper order.

The composite heat-insulating layer is processed into a composite board by the A-level fireproof heat-insulating board 1 and the B-level heat-insulating board 2 according to the specification and size requirements in a factory, and the A-level fireproof heat-insulating board 1 and the B-level heat-insulating board 2 are bonded and fixed into a whole and have no cavity inside. The thickness of A level fire prevention heated board 1 is greater than the thickness of B level heated board 2, the composite sheet adopts upset range in turn with the bonding of basic unit's wall body 10, adjacent composite sheet is arranged on the face of pasting of basic unit's wall body 10 along level and vertical direction, specifically, match in turn and lay for the face of pasting with basic unit's wall body 10 according to A level fire prevention heated board and B level heated board, a plurality of adjacent composite sheets form the dislocation about A level fire prevention heated board to B level heated board and link up fire prevention isolation structure layer 20, the realization is blocked B level heated board conflagration and is spread.

The third concrete implementation mode: the embodiment is further limited by the first or second embodiment, one of the longitudinal plate layers close to one end of the centrally-mounted composite plate 11 is a first plate body 12, a central axis of the first plate body 12 in the length direction and a central axis of the centrally-mounted composite plate 11 in the length direction are on the same horizontal line, and the class-a fireproof insulation plate 1 of the first plate body 12 is arranged far away from the base wall 10; one of the longitudinal plate layers close to the other end of the middle composite plate 11 is a second plate body 13, the central axis of the second plate body 13 in the length direction and the central axis of the middle composite plate 11 in the length direction are on the same horizontal line, and the A-level fireproof heat-insulation plate 1 of the second plate body 13 is far away from the base wall 10.

The fourth concrete implementation mode: this embodiment is further injectd for specific embodiment one, two or three, when a level fire prevention heated board 1's thickness is less than B level heated board 2's thickness, put in 1 upper end of A level fire prevention heated board of composite sheet 11 and paste tightly mutually through first A level fire prevention heated

board

15 and 1 lower extreme of A level fire prevention heated board of last composite sheet, first A level fire prevention heated board 15 slope sets up at last composite sheet and put between the composite sheet 11 in, the lower extreme of the A level fire prevention heated board 1 of putting in composite sheet 11 pastes tightly mutually through second A level fire prevention heated

board

14 and 1 upper end of the A level fire prevention heated board of composite sheet down, the slope of second A level fire prevention heated board 14 sets up in put between composite sheet 11 and the composite sheet down.

Mutually support between first A level fire prevention heated board 15, second A level fire prevention heated board 14, basic unit's wall 10 and the composite insulation layer in this embodiment and form the utility model discloses a second structural style through the setting of first A level fire prevention heated board 15 and second A level fire prevention heated board 14, can reduce the thickness difference between A level fire prevention heated board 1 and the B level heated board 2, makes manufacturing cost further reduce.

In this embodiment, the first a-level fireproof heat-insulation board 15 is a layer with an equal thickness or a layer with a decreasing thickness. When the first a-level fireproof insulation board 15 is a layer body with decreasing thickness, the thickness of the first a-level fireproof insulation board 15 decreases from one side far away from the base wall 10 to the other side close to the base wall 10. The same is true for the structural style and the setting size of the second class-A fireproof heat-insulation board 14.

The fifth concrete implementation mode: the present embodiment is further limited to the first, second, third or fourth embodiment, wherein the side of the composite insulation layer facing the base wall 10 is connected to the base wall 10 through a first adhesive layer 21, and the composite insulation layer and the base wall 10 are connected through a plurality of first anchor bolts 22. The first adhesive layer 21 and the first anchor bolt 22 are provided to further improve the connection strength and connection stability between the composite insulation layer and the base wall 10.

The sixth specific implementation mode: the embodiment is described with reference to fig. 8 and 9, the embodiment includes a base wall 10 and a composite heat insulation layer, the outer side of the base wall 10 is provided with the composite heat insulation layer, the composite heat insulation layer includes multiple rows of longitudinal plate layers, the multiple rows of longitudinal plate layers are vertically arranged in parallel along the height direction of the base wall 10, each row of longitudinal plate layers is formed by sequentially vertically arranging multiple composite plates from top to bottom, each composite plate is a composite heat insulation plate, each composite plate includes a B-level inner heat insulation plate 5, an a-level outer fireproof heat insulation plate 6, an a-level upper fireproof heat insulation strip 7 and an a-level lower fireproof heat insulation strip 8, the a-level upper fireproof heat insulation strip 7 and the a-level lower fireproof heat insulation strip 8 are horizontally arranged from top to bottom outside the base wall 10, the B-level inner heat insulation plate 5 and the a-level outer fireproof heat insulation plate 6 are vertically arranged in parallel between the a-level upper fireproof heat insulation strip 7 and the a-level lower fireproof heat insulation strip 8, the outer side of the B-level inner heat insulation plate 5 and the inner side of the a-level outer fireproof heat insulation plate 6 are fixedly connected, the inner side of the B-level inner heat insulation plate 5 is attached to the base wall 10, the a-level upper fireproof heat insulation strip 7, the a-level outer fireproof heat insulation plate 6 and the a-level outer fireproof heat insulation plate 6 are fixedly connected in sequence, and the inner heat insulation plate 745 is wrapped in a-level inner heat insulation plate, and wrapped in a-type. A plurality of the character-shaped fire-proof structures 21274sequentially contact with each other from top to bottom to form another fire-proof isolation structural layer.

Fire prevention heat preservation strip 7 and fire prevention heat preservation strip 8 are inorganic heat preservation layer under A level 6, the A level of outer fire prevention heat preservation board in this embodiment, specifically are the rock wool layer, and B level heat preservation board 2 is organic heat preservation layer.

The seventh embodiment: the embodiment is further limited by the sixth specific embodiment, the thickness of the class-a outer fireproof heat-insulation board 6 is smaller than that of the class-B inner heat-insulation board 5, and the thickness of the class-a outer fireproof heat-insulation board 6 is smaller than or equal to one half of that of the class-B inner heat-insulation board 5.

The composite sheet is processed into the composite sheet according to specification and dimension requirement by B level interior insulation board 5, A level outer fire prevention insulation board 6, A level upper fire prevention heat preservation strip 7 and A level lower fire prevention heat preservation strip 8 in the mill in this embodiment, and A level fire prevention insulation board 1 bonds fixed as an organic whole and inside no cavity with B level insulation board 2. The A-level outer fireproof heat-insulation board 6, the A-level upper fireproof heat-insulation strip 7 and the A-level lower fireproof heat-insulation strip 8 are matched to laterally cover and separate the B-level inner heat-insulation board 5. The multiple composite boards and the base layer wall 10 are bonded in an alternately overturning arrangement, the adjacent composite boards are bonded on the bonding surface of the base layer wall 10 along the horizontal and vertical directions of the base layer wall 10, the outer side surface of the base layer wall 10 is a bonding surface, and the A-level fireproof insulation boards and the B-level insulation boards are sequentially laid, the A-level outer fireproof insulation board 6, the A-level upper fireproof insulation strip 7 and the A-level lower fireproof insulation strip 8 form a 21274, and the multiple B-level fireproof insulation structures are sequentially bonded and matched from top to bottom to form another fireproof isolation structure layer, so that the fire spreading of the B-level insulation boards is blocked.

The specific implementation mode is eight: in this embodiment, the side of the composite insulating layer facing the base wall 10 is connected to the base wall 10 through the second adhesive layer 23, and the composite insulating layer and the base wall 10 are connected through a plurality of second anchor bolts 24. The second adhesive layer 23 and the second anchor bolt 24 are provided to further improve the connection strength and connection stability between the composite insulation layer and the base wall 10.

The utility model discloses well A level fire prevention heated board 1 is the rock wool board, and B level heated board 2 is polyurethane or polyphenyl board, and A level fire prevention heated board 1 and B level heated board 2, the inner wall of A level fire prevention heated board 1 and B level heated board 2 laminate as an organic wholely mutually, and B level heated board 2's thickness is less than and equals 30mm.

The utility model provides a composite insulation layer, it has the performance that fire prevention and heat preservation have, and wherein a plurality of A level fire prevention heated board 1 paste tight cooperation and form thin thick uneven fire prevention surface course, realize the comprehensive fire prevention effect of lateral wall.

The utility model discloses well composite insulation layer's structural style can effectively save engineering time, reduces the construction process, and this composite insulation layer is connected the back with basic unit's wall body 10, and composite insulation layer self subregion structural style can directly leave out the process of establishing fire prevention measure in addition in departments such as floor, window upper shed portion, makes the outer wall directly reach the fire prevention requirement that keeps warm outward, and is high-efficient convenient.

The composite sheet is composite construction among this embodiment, and it has the performance that fire prevention and heat preservation have, and wherein A level fire prevention heated board 1 pastes tight cooperation rather than a plurality of A level fire prevention heated board 1 adjacent and forms the uneven fire prevention surface course of thin thickness, realizes the comprehensive fire prevention effect of lateral wall. The composite board specifically comprises an A-level fireproof insulation board 1 and a B-level fireproof insulation board 2, wherein the inner wall of the A-level fireproof insulation board 1 is attached to the outer wall of the B-level fireproof insulation board 2 into a whole, and the thickness of the B-level fireproof insulation board 2 is smaller than or equal to 30mm.

Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.

Claims

1. The utility model provides a from outer insulation system of outer wall of taking fire prevention isolation structure which characterized in that: the composite heat insulation board comprises a base wall body (10) and a composite heat insulation layer, wherein the composite heat insulation layer is arranged on the outer side of the base wall body (10), the composite heat insulation layer comprises a plurality of rows of longitudinal board layers, the plurality of rows of longitudinal board layers are vertically arranged in parallel along the height direction of the base wall body (10), each row of longitudinal board layers is formed by a plurality of composite boards which are sequentially and vertically arranged from top to bottom, each composite board comprises an A-level fireproof heat insulation board (1) and a B-level heat insulation board (2), the A-level fireproof heat insulation boards (1) and the B-level heat insulation boards (2) are vertically arranged in parallel, the A-level fireproof heat insulation boards (1) and the B-level heat insulation boards (2) are fixedly connected into a whole, one side of the A-level fireproof heat insulation board (1) is tightly attached to one side of the B-level heat insulation boards (2), the A-level fireproof heat insulation boards (1) of the composite boards are sequentially and alternately arranged on the outer side of the base wall body (10) from top to bottom, one composite board of the composite boards in a plurality of the composite boards of the A-level fireproof heat insulation boards (1) is tightly attached to the base wall body (10), one of the composite boards (1), and the composite boards (1) is arranged on the upper end of the base wall body (11); put in composite sheet (11) below adjacent composite sheet for lower composite sheet, basic unit's wall body (10) setting is kept away from in A level fire prevention heated board (1) of lower composite sheet, the lower extreme of the A level fire prevention heated board (1) of putting in composite sheet (11) pastes tightly mutually with A level fire prevention heated board (1) upper end of lower composite sheet, a plurality of A levels fire prevention heated board (1) of a plurality of composite sheets paste tightly from last to down in proper order and form dislocation and link up fire prevention isolation structure layer (20).

2. The exterior wall external thermal insulation system with the fireproof insulation structure as claimed in claim 1, wherein: when the thickness of the B-level heat insulation board (2) is smaller than that of the A-level fireproof heat insulation board (1), the thickness of the B-level heat insulation board (2) is smaller than or equal to one half of that of the A-level fireproof heat insulation board (1).

3. The external thermal insulation system of an external wall with fire-proof isolation structure as claimed in claim 1 or 2, wherein: one composite board in a row of longitudinal board layers close to one end of the middle composite board (11) is a first board body (12), the central axis of the first board body (12) in the length direction and the central axis of the middle composite board (11) in the length direction are on the same horizontal line, and the A-level fireproof heat-insulation board (1) of the first board body (12) is arranged far away from the base layer wall body (10); one of the vertical plate layers close to the other end of the middle composite plate (11) is a second plate body (13), the central axis of the second plate body (13) in the length direction and the central axis of the middle composite plate (11) in the length direction are on the same horizontal line, and the A-level fireproof heat-insulation plate (1) of the second plate body (13) is far away from the base wall body (10).

4. The exterior wall external thermal insulation system with the fireproof insulation structure as claimed in claim 1, wherein: when the thickness of A level fire prevention heated board (1) is less than the thickness of B level heated board (2), the upper end of the A level fire prevention heated board (1) of putting in composite sheet (11) pastes tightly mutually through first fire prevention heat preservation (15) and the A level fire prevention heated board (1) lower extreme of last composite sheet, first fire prevention heat preservation (15) slope sets up at last composite sheet and put in between composite sheet (11), the lower extreme of the A level fire prevention heated board (1) of putting in composite sheet (11) pastes tightly mutually through second fire prevention heat preservation (14) and the A level fire prevention heated board (1) upper end of lower composite sheet, second fire prevention heat preservation (14) slope sets up in between composite sheet (11) and the lower composite sheet.

5. The exterior wall external thermal insulation system with the fireproof insulation structure as claimed in claim 1, wherein: one side of the composite heat-insulating layer facing the basic layer wall body (10) is connected with the basic layer wall body (10) through a first adhesive layer (21), and the composite heat-insulating layer and the basic layer wall body (10) are connected through a plurality of first anchor bolts (22).

6. The utility model provides a from outer insulation system of outer wall of taking fire prevention isolation structure which characterized in that: the composite heat-insulation layer is arranged on the outer side of the base wall body (10), the composite heat-insulation layer comprises a plurality of rows of longitudinal plate layers, the plurality of rows of longitudinal plate layers are vertically arranged in parallel along the height direction of the base wall body (10), each row of longitudinal plate layers is formed by sequentially and vertically arranging a plurality of composite plates from top to bottom, each composite plate comprises a B-level inner heat-insulation plate (5), an A-level outer fire-insulation plate (6), an A-level upper fire-insulation heat-insulation strip (7) and an A-level lower fire-insulation heat-insulation strip (8), the A-level upper fire-insulation heat-insulation strip (7) and the A-level lower fire-insulation heat-insulation strip (8) are horizontally arranged on the outer side of the base wall body (10) from top to bottom, the B-level inner heat-insulation plate (5) and the A-level outer fire-insulation plate (6) are vertically arranged in parallel between the A-level upper fire-insulation strip (7) and the A-level lower fire-insulation strip (8), the outer side of the B-level inner heat-insulation plate (5) and the inner side of the A-level outer fire-insulation plate (6) are fixedly connected, the inner side of the B-level inner fire-insulation plate (5) is attached to the base wall body (10), the A-level upper fire-level outer fire-insulation strip (7), the A-level outer fire-insulation plate (6) is fixedly connected with the A-level outer fire-insulation plate (6) to form a 2128) in sequence.

7. The exterior wall external thermal insulation system with the fireproof isolation structure according to claim 6, wherein: the thickness of the A-level outer fireproof insulation board (6) is smaller than that of the B-level inner insulation board (5), and the thickness of the A-level outer fireproof insulation board (6) is smaller than or equal to one half of that of the B-level inner insulation board (5).

8. An exterior wall insulation system with fire-resistant insulation construction according to claim 6 or 7, wherein: one side of the composite heat-insulating layer facing the basic layer wall body (10) is connected with the basic layer wall body (10) through a second adhesive layer (23), and the composite heat-insulating layer and the basic layer wall body (10) are connected through a plurality of second anchor bolts (24).