CN111877538A

CN111877538A - Fireproof building structure and construction process thereof

Info

Publication number: CN111877538A
Application number: CN202010739414.1A
Authority: CN
Inventors: 田鹏
Original assignee: Shenzhen Yizhu Architectural Design Co ltd
Current assignee: Shenzhen Yizhu Architectural Design Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2020-11-03

Abstract

The application relates to a fireproof building structure and a construction process thereof, relating to the technical field of building construction, wherein the fireproof building structure comprises a plurality of stand columns and a wallboard arranged between two adjacent stand columns, a roof is horizontally fixed on a wall body, and the wallboard comprises a water tank, a cooling assembly and a coating layer coated outside the water tank; a water absorbing layer is arranged inside the water tank, and a switch control assembly is arranged on the top wall of the water tank; the cooling assembly comprises a plurality of spray pipes and a connecting pipe communicated with the plurality of spray pipes, and a pipe joint is arranged on the connecting pipe; a main pipeline communicated with the connecting pipe is installed on the upright post, the main pipeline is connected with an external water supply unit, and the switch control assembly is electrically connected with the water supply unit to control the on-off of the water supply unit; the construction process comprises the steps of leveling a foundation pit, embedding a base and fixed stand columns, laying fixed wallboards between the stand columns to form a wall body, and then fixing a roof. This application has the advantage of prolonging the time that the building structure remains stable when the building is on fire to reduce the likelihood of collapse.

Description

Fireproof building structure and construction process thereof

Technical Field

The application relates to the technical field of building construction, in particular to a fireproof building structure and a construction process thereof.

Background

With the development of technology, the building construction gradually develops from a traditional reinforced concrete pouring structure to an assembly type building. The fabricated building refers to a building fabricated on the site using factory-prefabricated components. It adopts light steel structure and various light materials to combine all parts of the house.

The related art refers to the Chinese utility model patent with the publication number of CN209637303U, which discloses an assembled double-layer mixed structure logistics storehouse, comprising a first layer storehouse, a first interlayer mechanism, a second layer storehouse and a second interlayer mechanism, which are arranged from bottom to top in sequence, wherein the first layer storehouse comprises a storehouse a, a storehouse b and a first ramp, a fire evacuation channel is arranged between the storehouse a and the storehouse b, and a fire fighting channel is arranged between the first ramp and the storehouse b; the second-layer storeroom comprises a storeroom c, a storeroom d and a second ramp, the first ramp is connected with one end of the second ramp, the other end of the second ramp is connected with one side of the fire fighting lane, and a fire fighting carriage way is arranged on the other side of the fire fighting lane; and a plurality of rows of concrete support columns are arranged in the first layer of storeroom and the first interlayer mechanism, and steel columns are arranged in the second layer of storeroom and the second interlayer mechanism. The utility model discloses a can realize more efficient logistics storage function in limited area.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: although being provided with the fire control passageway in the storehouse, when the storehouse is on fire, in fact the fire engine arrive after the warning and arrive the scene of a fire and need a period, the inside reinforcing bar of concrete building wall body or concrete support column under high temperature softens, and the structure bearing capacity reduces, and the building body has great possibility of collapsing, and the fire engine arrives the scene and gets into the storehouse through the fire control passageway and put out a fire and have certain potential safety hazard when having.

Disclosure of Invention

In order to solve the problem that the structure bearing capacity of an assembly type building is sharply reduced when a fire disaster happens, the application provides a fireproof building structure and a construction method thereof, and the fireproof building structure has the advantage of prolonging the stability time of a fireproof structure of a building wall.

In a first aspect, the present application provides a fire prevention building structure, which adopts the following technical scheme:

a fireproof building structure comprises a plurality of upright posts vertically fixed on a foundation and a wallboard which is arranged between two adjacent upright posts and forms a wall body, wherein a roof is horizontally fixed on the wall body, and the wallboard comprises a hard metal water tank with a hollow inner part, a cooling assembly fixed on the outer side of the water tank and a coating layer coated outside the water tank and used for forming the surface of the wallboard; a water absorbing layer for storing water is arranged in the water tank, and a switch control assembly is arranged on the top wall of the water tank after the wall boards are assembled; the cooling assembly comprises a plurality of spray pipes positioned on at least one side of the wallboard and a connecting pipe communicated with the plurality of spray pipes, and the connecting pipe is provided with a pipe joint for connecting the cooling assemblies in two adjacent spliced wallboards; install the trunk line with the connecting pipe intercommunication on the stand, the trunk line is connected with outside water supply unit, the on-off control subassembly is connected with the water supply unit electricity and opens and close with control water supply unit.

By adopting the technical scheme, the metal water tank with the hollow interior reduces the material consumption of the whole wallboard, and has the effect of reducing weight; the hard metal water tank improves the overall strength of the wallboard to a certain extent. When the conflagration breaing out, the heat sees through the coating and heats the water tank, the inside water evaporation that absorbs water in the layer of water tank makes the pressure increase of the inside cavity of water tank, trigger switch control assembly, switch control assembly starts outside water supply unit, water supply unit is through the trunk line water delivery laid along the stand, water spouts from a plurality of spray pipes behind coupling and the connecting pipe, the moist surface coating of spun water is in order to reduce the temperature of coating, the wallboard has been prolonged and whole the time that receives high temperature toast and keep self structural stability, improve whole building structure's fire resistance.

Preferably, the roof outside that the water tank is located the wallboard and assembles the back has set firmly the top cap, and the pressure release hole that is used for intercommunication water tank inner cavity and top cap inner cavity is offered to the water tank roof, the on-off control subassembly is including installing in the key switch of top cap inner wall, be located the top cap and can slide from top to bottom in order to support the roof and the lid that press key switch closed on the pressure release hole and relative pressure release hole slides in order to open and close the block of pressure release hole passageway, block and roof butt.

By adopting the technical scheme, when the pressure in the water tank is increased, the external ambient temperature is increased. At the moment, the cover cap is jacked up under the air pressure acting force of the water tank, the cover cap applies pushing force to the cover cap to enable the cover cap to move upwards and extrude the key switch, and the key switch is pressed to start an external water supply unit to work. The top cap covers the switch control assembly, prevents that the material entering of coating from influencing key switch's normal operating among the preparation wallboard process for the wholeness can safe and reliable.

Preferably, an elastic resetting piece is connected between the top plate and the inner wall of the top cover, and applies a force to the top plate to move towards the pressure relief hole.

Through adopting above-mentioned technical scheme, elasticity resets and applys the power that removes to the pressure release hole to the roof, and the roof must receive from the enough big thrust of block just can support and press key switch, prevents effectively that key switch from being touched by the mistake. After the cooling subassembly cooled down the wallboard, the pressure in the water tank reduced, and the roof can push the block and reset under the effect that the elasticity resets.

Preferably, the outer wall of the water tank is fixedly provided with a plurality of heat conducting fins, and the heat conducting fins extend to a position 0-20mm away from the surface of the coating layer.

Through adopting above-mentioned technical scheme, the conducting strip has increased the joint strength between coating and the water tank on the one hand, and on the other hand coating is heated the back heat and can transmit the water tank in time through the conducting strip, is favorable to the timely start-up effect of cooling subassembly.

Preferably, a reinforcement cage fixed around the outside of the water tank is arranged in the wallboard, a heat insulation layer is coated outside the reinforcement cage, and the heat insulation layer is provided with a crack for the heat conducting sheet to penetrate.

Through adopting above-mentioned technical scheme, the steel reinforcement cage has further increased the joint strength between coating and the water tank, consolidates the water tank lateral wall simultaneously, has increased the resistance to deformation ability of water tank. The conducting strip passes the breach of insulating layer, and the insulating layer can reduce the heat and toast the direct of steel reinforcement cage, keeps steel reinforcement cage's intensity stable, and the conducting strip still can in time transmit the heat of outside to the water tank simultaneously. In addition, the insulating layer can also stop the infiltration of spray pipe spun water to the steel reinforcement cage inboard at one deck degree, reduces the influence to the steel reinforcement cage corrosion.

Preferably, the relative both sides that the wallboard is used for the concatenation are equipped with the spread groove of logical length along the concatenation direction of height, and two piece adjacent wallboards are fixed in the spliced pole of spread groove through pegging graft, and the length of spliced pole is shorter than the length of spread groove, and the coupling is located the one end that the spliced pole was kept away from to the spread groove.

Through adopting above-mentioned technical scheme, after two adjacent blocks of wallboard concatenations, have enough space in the spread groove to be used for holding the coupling, be convenient for supply water and transmit between a plurality of wallboards.

Preferably, the wallboard is close to the terminal surface an organic whole of switch control assembly one end and is equipped with at least one reference column, and the wallboard is located the opposite of reference column place terminal surface and is equipped with the locating hole with reference column complex, reference column and locating hole one-to-one.

Through adopting above-mentioned technical scheme, when upper and lower two-layer wallboard was laid, the wallboard locating hole on upper strata can align with the reference column of the wallboard of lower floor, and the concatenation of the wall body of being convenient for is neat.

In a second aspect, the application provides a construction process of a fireproof building structure, which adopts the following technical scheme:

a construction process of a fireproof building structure comprises the following steps:

s1: excavating a foundation pit on the ground, leveling, fixing and embedding a base, vertically fixing upright posts at two ends of the base for forming the wall bodies on the same side, and paving a main pipeline and a lead in the upright posts;

s2: sequentially pressing down, splicing and fixing the prefabricated wall boards on a base to form a first layer of wall boards positioned on two adjacent stand columns, communicating pipe joints between the two adjacent wall boards, and communicating the pipe joints on the wall boards positioned on the edge of a wall body with a main pipeline of the stand columns; the wiring end of the switch control assembly is electrically connected with a lead, and the other end of the lead is electrically connected with a water supply unit;

s3: and (3) repeating the step (2) to lay the first layer of wallboards of the rest wall bodies, laying a second layer of wallboards and a third layer of wallboards … … above the first layer of wallboards in sequence until all the wall bodies are assembled, and then fixedly installing the roof.

Preferably, a plurality of switch control assemblies in the same layer of wall board of the same wall body are connected with the conducting wires in the upright posts in parallel.

By adopting the technical scheme, the built fabricated building has good fire resistance, and when the wall body is locally baked, the cooling component on the corresponding layer works, so that more efficient water saving is realized.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when a fire disaster happens, heat penetrates through the coating layer to heat the water tank, the water in the water absorbing layer inside the water tank is evaporated to increase the pressure of a cavity inside the water tank, the switch control assembly is triggered, the switch control assembly starts the external water supply unit, the water supply unit supplies water through a main pipeline laid along the stand column, the water is sprayed out from the plurality of water spray pipes after passing through the pipe joints and the connecting pipes, the sprayed water wets the surface coating layer to reduce the temperature of the coating layer, the time for keeping the structural stability of the wallboard after being integrally baked at high temperature is prolonged, and the fire resistance of the whole building structure is improved;

2. the heat insulation layer effectively prevents heat from heating the reinforcement cage in the wallboard, prolongs the stability time of the whole heat-resistant structure of the wallboard at high temperature, and is beneficial to the stability of the whole building structure;

3. the wall body can trigger the cooling assembly to work when being locally baked at high temperature, and the influence on other parts of building structures after the fire is spread is effectively avoided.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a cross-sectional view of the wall panel and floor mounting structure shown in FIG. 1 taken along line A-A;

FIG. 3 is a schematic view showing a connecting structure of a wall panel and a pillar;

FIG. 4 is a cross-sectional view showing the internal structure of the wall panel taken along the line B-B in FIG. 3;

FIG. 5 is a general schematic view showing the internal structure of the wallboard with the surface concrete removed;

FIG. 6 is a cross-sectional view showing the internal structure of the wall panel at the plane C-C in FIG. 3;

fig. 7 is an enlarged view of a portion D of fig. 6 showing the structure of the toggle switch assembly inside the wall panel.

Description of reference numerals: 1. a foundation; 11. a base; 111. anchoring ribs; 2. a column; 21. a wiring hole; 22. a wire; 23. a guide post; 3. a wallboard; 31. a coating layer; 311. a positioning column; 312. positioning holes; 313. connecting grooves; 32. a water tank; 321. a cavity; 322. a water-absorbing layer; 323. a pressure relief vent; 33. a reinforcement cage; 34. a heat conductive sheet; 35. capping; 36. a top plate; 37. an elastic member; 38. a top cover; 39. a key switch; 4. a roof; 5. connecting columns; 6. a cooling assembly; 61. a connecting pipe; 611. a pipe joint; 62. a water spray pipe; 7. an insulating layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses fire prevention building structure. Referring to fig. 1 and 2, the fireproof building structure includes a plurality of columns 2 vertically fixed on a foundation 1 and a wall plate 3 installed between adjacent two columns 2 and forming a wall body on which a roof 4 is horizontally fixed.

Referring to fig. 2, a base 11 surrounding a rectangular frame structure is fixed on the upper plane of the foundation 1 in a pre-buried manner, the base 11 may be a channel steel, and in order to improve the connection strength between the base 11 and the foundation 1, a raised anchoring rib 111 is fixed on the outer wall of the base 11.

Referring to fig. 3 and 4, the upright 2 is integrally of a square tube structure, one end of the upright 2 is closed, and the closed end of the upright 2 is fixed to the base 11 through bolts. The open end side wall of the upright post 2 is provided with a wiring hole 21, the side wall of the upright post 2 is fixed with a lead 22 passing through the wiring hole 21, and the bottom end of the lead 22 is used for connecting an external water pump. The outer walls of two adjacent sides of the upright post 2 are fixed with a cylindrical guide post 23 along the length direction of the upright post 2.

Referring to fig. 3 and 4, the wall plate 3 is a rectangular plate as a whole, a pair of parallel side walls of the wall plate 3 is provided with a connecting groove 313 along the length direction of the edge, the connecting groove 313 includes an opening with a rectangular cross section and a through hole with a circular cross section, and the opening is arranged along the generatrix direction of the through hole and is communicated with the through hole. The coupling slot 313 matches the profile of the guide post 23 so that the wall plate 3 and the upright post 2 can be clamped and fixed by the coupling slot 313 and the guide post 23.

Connect fixedly through spliced pole 5 between two adjacent wallboard 3, the profile that two spread groove 313 that the cross-section of spliced pole 5 and symmetry set up constitute is the same for peg graft spliced pole 5 to the spread groove 313 back of one of them wallboard 3, another wallboard 3 can utilize spread groove 313 and spliced pole 5 cooperation direction to splice with last wallboard 3.

Referring to fig. 4 and 5, the wall plate 3 includes a water tank 32 inside, and a reinforcement cage 33 and a coating layer 31 fixedly installed outside the water tank 32 from inside to outside in sequence, wherein the coating layer 31 is a concrete layer. The water tank 32 is a cuboid structure formed by welding steel plates and has high strength and pressure bearing capacity. The surface vertical fixation of water tank 32 has a plurality of conducting strips 34, and conducting strip 34 can be copper sheet or steel sheet, has better heat conductivity, and here conducting strip 34 is the steel sheet the same with water tank 32 material, and conducting strip 34 and water tank 32 welded fastening, the same material can reduce the rate that welding parts produced electrochemical corrosion when later stage uses. The plurality of heat conducting fins 34 are arranged side by side, one end, far away from the water tank 32, of each heat conducting fin 34 extends into the coating layer 31, the distance between each heat conducting fin 34 and the outer surface of the corresponding coating layer 31 can be 0-20mm, on one hand, the heat conducting fins 34 increase the connection strength between the coating layers 31 and the water tank 32, and on the other hand, after the coating layers 31 are heated, heat can be timely transmitted into the water tank 32 through the heat conducting fins 34.

The water tank 32 is hollow to form a cavity 321, the inner wall of the water tank 32 is provided with a water absorbing layer 322 in a fitting manner, the water absorbing layer 322 is a silica gel layer or a sponge layer, the water absorbing layer 322 is fixedly bonded with the water tank 32, and water is fully absorbed in the water absorbing layer 322. When the heat-conducting fin 34 transfers heat to the sidewall of the water tank 32, the temperature of the sidewall of the water tank 32 rises and the water in the water absorbing layer 322 is volatilized, and the air pressure of the cavity 321 inside the water tank 32 increases.

The whole cuboid skeleton texture that is of steel reinforcement cage 33, steel reinforcement cage 33 cladding be outside and with water tank 32 welded fastening at water tank 32, restrict 32 bulging of water tank to a certain extent, increase 32 rigidity of water tank.

Referring to fig. 6 and 7, a pressure relief hole 323 is installed at the top of the water tank 32 when the water tank 32 is vertically placed, and the pressure relief hole 323 is a circular tube and protrudes from the top surface of the water tank 32. A cap 35 capable of sliding up and down with respect to the pressure release hole 323 is covered on the pressure release hole 323.

When the water tank 32 is vertically placed, a rectangular parallelepiped top cover 38 with a hollow interior and an open bottom is installed at the top, a top plate 36 which is close to or far away from the open opening and slides is installed in the top cover 38, and the top plate 36 is adapted to the inner wall profile of the top cover 38. Be connected with elastic component 37 between the open relative one side on roof 36 and the top cap 38, elastic component 37 selects the spring for use here, and the one end and the roof 36 welded fastening of spring, the other end and the top cap 38 butt joint of spring. The key switch 39 is installed to the roof inboard of top cap 38, and the electric wire that connects on the key switch 39 is pre-buried in the coating 31 at top and exposes the wiring end, and after each layer of wallboard 3 assembled, the wiring end on the same layer of wallboard 3 was connected in parallel with the wire for the wire, at last unified and stand 2 on wire 22 electric connection.

Referring to fig. 5 and 7, when the wall plate 3 is vertically placed, a cooling assembly 6 is fixedly mounted on the top of the reinforcement cage 33 and on one side far away from the water tank 32, the cooling assembly 6 includes a connecting pipe 61 and a water spraying pipe 62 which are welded and fixed with the reinforcement cage 33, the connecting pipe 61 is circumferentially arranged around the reinforcement cage 33, a pipe joint 611 communicated with the connecting pipe 61 is welded on the connecting pipe 61, the pipe joint 611 extends out of a connecting groove 313 on the side surface of the wall plate 3, and the length of the connecting column 5 is shorter than that of the connecting groove 313, so that a space can be reserved for communicating the pipe joints 611 of two adjacent wall plates 3. The spray pipes 62 are uniformly distributed on the connecting pipe 61, the water outlet end of the spray pipe 62 is a shower nozzle, and when prefabrication is carried out, the water outlet end of the spray pipe 62 is coated with a layer of plastic film with the thickness of 0.01mm, so that the water outlet end of the spray pipe 62 is prevented from being blocked. Outside trunk line is connected to connecting pipe 61, and the trunk line is laid along stand 2 is inside, and outside water pump is connected to the trunk line. The lead on the upright post 2 is electrically connected with the water pump.

When the pressure in the tank 32 increases, it indicates that the outside ambient temperature increases. At this time, the cap 35 is lifted up under the air pressure of the water tank 32, the cap 35 applies a pushing force to the top plate 36 against the resistance of the elastic member 37, so that the top plate 36 moves upward and presses the key switch 39, and the key switch 39 is pressed to start the operation of the external water pump. The water pump works to input high-pressure water into the main pipeline, the high-pressure water is shunted through the connecting pipes 61 on the wall boards 3 of different layers, and the high-pressure water breaks the plastic film at the water outlet end of the water spraying pipe 62 to wet the concrete coating 31 on the surface layer of the wall board 3. The water on coating 31 volatilizees under the outside toasts and reduces the temperature on 3 top layers of wallboard, plays the guard action to wallboard 3, prolongs wallboard 3 and keeps the time of high structural strength.

In order to avoid softening of the reinforcement cage 33 in the wall plate 3 due to the influence of external high temperature, the reinforcement cage 33 is externally coated with a heat insulation layer 7, the heat insulation layer 7 is made of aerogel felt, and the heat insulation layer 7 is provided with a split through which the heat conducting fins 34 penetrate. On one hand, the heat conducting fins 34 can transfer heat on the fire-receiving side of the wall plate 3 to the water tank 32, and the temperature of the reinforcement cage 33 still rises slowly to maintain the original high strength; on the other hand, the heat insulation layer 7 can prevent water sprayed by the water spraying pipe 62 from permeating towards the inner side of the steel reinforcement cage 33 at one layer degree, and influence on the reinforced concrete structure at the steel reinforcement cage 33 is reduced.

Referring to fig. 6 and 7, a positioning column 311 is disposed on the top of the wall plate 3 when the wall plate is vertically placed, and the positioning column 311 and the covering layer 31 are integrally cast. The bottom of the wall plate 3 is correspondingly provided with a positioning hole 312 for matching and inserting with the positioning column 311, and the upper and lower layers of wall plates 3 are matched and fixed with the positioning hole 312 through the positioning column 311. The top surface of the wall plate 3 can be preset with wire grooves for laying wires.

The roof 4 can be formed by splicing color steel plates, and the color steel plates and the wall can be fixed by screws.

In order to enable the cooling assembly 6 to work more efficiently and accurately, a main pipeline and a water pump are correspondingly arranged on each layer of wall plate 3 on each wall body, and meanwhile, the key switch 39 of the layer of wall plate 3 on the wall body is electrically connected to the water pump through a wire. Thus, when a local fire breaks out, the temperature of the wallboard 3 close to the fire rises, and the water pump corresponding to the layer where the wallboard 3 is located works and locally cools.

The construction process of the fireproof building structure in the embodiment of the application is as follows:

(1) excavating a foundation pit on the ground, leveling the foundation pit, embedding channel steel according to a design drawing, and pouring concrete to fix the channel steel to form a base 11; the upright posts 2 are vertically fixed at two ends of the base 11 for forming the same side wall body.

(2) Inserting a connecting column 5 into a connecting groove 313 on one side of a prefabricated wall plate 3, enabling one side of the wall plate 3, which is not inserted with the connecting column 5, to be attached to the upright post 2 for placement, enabling the connecting groove 313 on the side surface of the wall plate 3 to be inserted with a guide column 23 on the side surface of the upright post 2, and inserting and fixing the bottom of the wall plate 3 into the base 11; after fixing the first wallboard 3, firstly inserting the connecting column 5 into one side of the second wallboard 3, and then aligning and splicing one side of the second wallboard 3, which is not inserted into the connecting column 5, with the first wallboard 3, so that two adjacent wallboards 3 are matched and fixed with the connecting groove 313 through the connecting column 5; the process is repeated until the last wallboard 3 is remained in wall body splicing between two adjacent upright columns 2, the connecting column 5 is not inserted in the last wallboard 3 in advance, the connecting groove 313 on one side of the wallboard 3 is aligned with the guide column 23 of the upright column 2, the connecting groove 313 on the other side is aligned with the connecting column 5 on the adjacent wallboard 3, and then the connecting column is fixed on the base 11 in a downward-pressing and inserting mode.

(3) The pipe joint 611 between two adjacent wall panels 3 is screwed using a flexible joint, which is accommodated in the coupling groove 313 between the two wall panels 3. The pipe joint 611 on the wallboard 3 attached to the upright post 2 is in threaded connection with the main pipe on the upright post 2 through a flexible joint.

(4) The terminal at the top end of the first layer of wall plate 3 is connected in parallel with the wire 22 on the upright post 2 by a wire, and the other end of the wire 22 on the upright post 2 is connected with the water pump corresponding to the layer of wall plate 3.

(5) And (5) repeating the steps (2) to (4) until all the walls are assembled, and then paving and fixing the color steel plates on the top of the structure body to form the roof 4.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fire prevention building structure, includes vertical many stands (2) of being fixed in on ground (1) and install wallboard (3) between two adjacent stands (2) and form the wall body, the wall body is improved level and is fixed with roofing (4), its characterized in that: the wallboard (3) comprises a hard metal water tank (32) with a hollow interior, a cooling component (6) fixed on the outer side of the water tank (32) and a coating layer (31) coated outside the water tank (32) and used for forming the surface of the wallboard (3); a water absorbing layer (322) for storing water is arranged in the water tank (32), and a switch control assembly is arranged on the top wall of the water tank (32) after the wallboard (3) is assembled; the cooling assembly (6) comprises a plurality of water spray pipes (62) positioned on at least one side of the wall plate (3) and a connecting pipe (61) communicated with the water spray pipes (62), and a pipe joint (611) used for connecting the cooling assembly (6) in two adjacent spliced wall plates (3) is arranged on the connecting pipe (61); install the trunk line with connecting pipe (61) intercommunication on stand (2), the trunk line is connected with outside water supply unit, the on-off control subassembly is connected with water supply unit electricity and opens and close with control water supply unit.

2. A fire resistant building structure as claimed in claim 1, wherein: the roof outside that water tank (32) are located wallboard (3) and assemble the back sets firmly top cap (38), and pressure release hole (323) that are used for communicateing the cavity in inside cavity (321) of water tank (32) and top cap (38) are offered to water tank (32) roof, on-off control subassembly is including installing in key switch (39) of top cap (38) inner wall, being located top cap (38) and can slide from top to bottom in order to support and press roof (36) of key switch (39) and lid and close on pressure release hole (323) and relative pressure release hole (323) slide in order to open and close cap (35) of pressure release hole (323) passageway, cap (35) and roof (36) butt.

3. A fire resistant building structure as claimed in claim 2, wherein: an elastic reset piece is connected between the top plate (36) and the inner wall of the top cover (38), and applies force to the top plate (36) to move towards the pressure relief hole (323).

4. A fire resistant building structure as claimed in claim 1, wherein: the outer wall of the water tank (32) is fixedly provided with a plurality of heat conducting fins (34), and the heat conducting fins (34) extend to a position 0-20mm away from the surface of the coating layer (31).

5. A fire resistant building structure as claimed in claim 4, wherein: be equipped with in wallboard (3) and be fixed in steel reinforcement cage (33) around water tank (32) outside, steel reinforcement cage (33) outer cladding has insulating layer (7), and breach that supplies conducting strip (34) to pass is seted up in insulating layer (7).

6. A fire resistant building structure according to any one of claims 1-5, wherein: wallboard (3) are used for the relative both sides of concatenation to be equipped with logical long spread groove (313) along concatenation direction of height, and two piece adjacent wallboards (3) are fixed in spliced pole (5) of spread groove (313) through pegging graft, and the length of spliced pole (5) is shorter than the length of spread groove (313), and coupling (611) are located spread groove (313) and keep away from the one end of spliced pole (5).

7. A fire resistant building structure as claimed in claim 1, wherein: wallboard (3) are close to the terminal surface an organic whole of switch control assembly one end and are equipped with at least one reference column (311), and wallboard (3) are located the opposite of reference column (311) place terminal surface and are equipped with reference column (311) complex locating hole (312), reference column (311) and locating hole (312) one-to-one.

8. A process of constructing a fire resistant building structure according to any one of claims 1 to 7, wherein: the method comprises the following steps:

s1: excavating a foundation pit on the ground, leveling, then fixedly embedding a base (11), vertically fixing upright posts (2) at two ends of the base (11) for forming the wall body on the same side, and paving a main pipeline and a lead (22) in the upright posts (2);

s2: sequentially pressing down, splicing and fixing prefabricated wall boards (3) on a base (11) to form a first layer of wall board (3) positioned on two adjacent upright posts (2), communicating pipe joints (611) between the two adjacent wall boards (3), and communicating the pipe joints (611) on the wall boards (3) positioned at the edge of the wall body with main pipelines of the upright posts (2); the terminal of the switch control component is electrically connected with a lead (22), and the other end of the lead (22) is electrically connected with a water supply unit;

s3: and (3) repeating the step (2) to lay the first layer of wall board (3) of the rest wall bodies, laying a second layer of wall board (3) and a third layer of wall board (3) … … above the first layer of wall board (3) in sequence until all the wall bodies are assembled, and then fixedly installing the roof (4).

9. A fire protection building structure construction process according to claim 8, wherein: a plurality of switch control components positioned in the same layer of wall board (3) of the same wall body are connected in parallel with the conducting wires (22) in the upright posts (2).