CN206467689U - A kind of pressure release well and building - Google Patents

Abstract

The utility model is related to structural fire fighting technical field, specifically a kind of pressure release well and building, pressure release well includes the pressure release well main body for being used to form pressure release well cavity, pressure release well main body includes the indoor section located at architecture indoor, and the outdoor section of building roof is protruded from from indoor section, indoor section is communicated with one or more pressure relief openings in pressure release well cavity and architecture indoor space, and outdoor section is communicated with the exhaust outlet in pressure release well cavity and the building exterior space；Closed type smoke exhaust fire damper is installed on pressure relief opening.The pressure release well can be while guard plot gas extinguishing pressure relief be met, it is ensured that outer wall structure of building is complete, reliable, and outward appearance is more preferably.In addition, the pressure release well ensure that the air-conditioning temperature control effect of interior is unaffected, make air-conditioning temperature control more efficient energy-saving, it is ensured that the cleanliness factor of indoor environment, help to extend the service life of indoor equipment or product.

Description

A kind of pressure release well and building

Technical field

The utility model is related to building extinction using gas technical field, more particularly to a kind of pressure release well and building.

Background technology

At present, in the construction of Large-scale Data Rooms, main equipment room guard plot is generally protected using gas extinguishing system, In particular by seven flourin propane fire extinction system.After being discharged in view of gas, pressure can moment increase, this wink in guard plot Between supercharging may destroy buildings exterior-protected structure in guard plot, it is therefore necessary to drop is provided in guard plot and hypobaric is let out Press mouth, to ensure that the buildings exterior-protected structure in used in protective zone of gas fire-extinguishing system is safe and reliable, and can it is quick, in time by fire Calamity is puted out a fire to save life and property success.

Existing pressure relief opening is typically to be set directly on guard plot exterior wall.However, working as the computer room for needing to set pressure relief opening When quantity is more, correspondingly External Wall open up pressure relief opening quantity it is also more, this can to a certain extent destroy exterior wall entirety Structure, can also influence the attractive in appearance of exterior wall.Moreover, due to the apertured shutter of tool can be set on pressure relief opening, when in computer room When portion opens air-conditioning regulation temperature, the setting of pressure relief opening can reduce the refrigeration of air-conditioning in computer room；There is heavy rain day in addition, working as During gas, have part rainwater and directly floatd from shutter into computer room, reduce the cleanliness factor of computer room, increase the humidity of computer room, finally Cause the damage of rack.

Utility model content

The purpose of this utility model is to provide a kind of pressure release well and its building, to solve in the prior art because directly anti- The a series of problems for opening up pressure relief opening on shield area's external wall and causing.

One side, the utility model provides a kind of pressure release well, and the pressure release well includes being used to form pressure release well cavity Pressure release well main body, the pressure release well main body include located at architecture indoor indoor section, and from the indoor section protrusion In the outdoor section of building roof, the indoor section is communicated with one in the pressure release well cavity and architecture indoor space Or multiple pressure relief openings, the outdoor section be communicated with the pressure release well cavity and building the exterior space exhaust outlet；It is described Closed type smoke exhaust fire damper is installed on pressure relief opening.

Further, if the pressure release well main body includes enclosing the roof to form the pressure release well cavity, bottom wall and dry side Wall；If the dry side wall encloses to form vertically extending gas passage, and if the upper end of the dry side wall protrudes from the building Roofing, if roof envelope is located at the top of the dry side wall, if bottom wall envelope is located at the bottom of the dry side wall, so as to enclose Conjunction forms the pressure release well cavity；The pressure relief opening is opened on the side wall, and the exhaust outlet is opened in the upper of the side wall End, and above the building roof.

Further, if the dry side wall is through building roof and the floor of some floors, the bottom wall is building floor A part, or the bottom wall and building floor are overall structure；The pressure release well main body building single floor or The pressure relief opening of the floor interior space and the pressure release well cavity is communicated with multiple floors of building.

Further, the net area of the pressure release well main body is S1, and the area of the pressure relief opening is S2, S1 >=S2.

Further, the hole bottom absolute altitude of the pressure relief opening is H1, and interior net storey height is H2, H1 >=2/3 × H2.

Further, the closed type smoke exhaust fire damper is 280 DEG C of electronic smoke exhaust fire dampers of closed type.

Further, the pressure release well also includes stormproof louvre, and the stormproof louvre is installed in the exhaust outlet.

Alternatively, the stormproof louvre is aluminium alloy stormproof louvre, PVC stormproof louvres, glass stormproof louvre or wooden anti- Rain blinds.

Preferably, the stormproof louvre is aluminium alloy stormproof louvre.

Further, the area of the exhaust outlet is S3, and the shielded area of the stormproof louvre is S4, S3 >=S1+S4.

Further, the exhaust outlet is opened on the side wall of the pressure release well main body.

Further, the top wall level of the pressure release well main body is extended out to outside the side wall provided with the exhaust outlet, And its edge of the roof outside the side wall provided with the exhaust outlet is provided with drip.

Further, the roof of the pressure release well main body includes structure sheaf, waterproof layer, sloping layer, looked for successively from the bottom to top Flat bed and surface layer.

Alternatively, the structure sheaf uses armoured concrete slab or concrete wall, and the thickness of the structure sheaf is 50- 200mm.Wherein, the thickness of the structure sheaf is that 50-200mm includes any point value in the number range, such as described structure The thickness of layer is 50mm, 60mm, 70mm, 80mm, 90mm, 100mm, 120mm, 140mm, 150mm, 180mm or 200mm.

Alternatively, the waterproof layer uses polymer cement-base waterproof coating, and the thickness of the waterproof layer is 1-6mm.Its In, the thickness of the waterproof layer includes any point value in the number range for 1-6mm, such as the thickness of described waterproof layer is 1mm, 2mm, 3mm, 4mm, 5mm or 6mm.

Further, drip described in the sloping layer slope aspect, and the gradient of the sloping layer is 1-5%.Wherein, it is described The gradient of sloping layer is that 1-5% includes any point value in the number range, such as the thickness of described sloping layer is 1%, 2%, 3%th, 4% or 5%.Preferably, the gradient for looking for slope screed-coat is 2%.

Alternatively, the screed-coat uses the cement mortar mixed with waterproof powder, and the thickness of the screed-coat is 10-20mm. Wherein, the thickness of the screed-coat is that 10-20mm includes any point value in the number range, such as thickness of described screed-coat For 10mm, 12mm, 14mm, 15mm, 16mm, 17mm, 18mm or 20mm.

Alternatively, in the screed-coat, the cement mortar is 1 by weight part ratio:1~5 water and cement mixing and The percentage by weight for accounting for the cement mortar into, the waterproof powder is 1-10%, and the screed-coat be applied in two times it is described On sloping layer.Preferably, the cement mortar is 1 by weight part ratio:2.5 water and cement mixing is formed, and the waterproof powder is accounted for The 5% of the cement mortar percentage by weight.

Alternatively, the surface layer is using paint or coating, and the thickness of the surface layer is 1-10mm.Wherein, the surface layer Thickness is that 1-10mm includes any point value in the number range, such as the thickness of described surface layer is 1mm, 2mm, 4mm, 5mm, 7mm, 8mm or 10mm.

Preferably, use thickness to be carried out for 5mm cement mortar after troweling processing on the screed-coat, then surface layer is set. Wherein, cement mortar used in troweling processing is 1 by weight part ratio:2 water and cement mixing is formed.

Further, the side wall of the pressure release well main body is concrete wall, and the thickness of the side wall is 100-300mm. Wherein, the thickness of the side wall is that 100-300mm includes any point value in the number range, such as the thickness of described side wall is 100mm, 120mm, 150mm, 200mm, 220mm, 250mm, 280mm or 300mm.Preferably, the thickness of the side wall is 200mm。

Second aspect, the utility model, which is also provided, is provided with pressure release well as described above in a kind of building, the building.

Further, the pressure release well main body in all or part of the building floor is provided with the pressure release Mouthful.

Further, it is described building include multilayer floor, if the dry side wall of the pressure release well pass through top layer floor and From the floor of the downward some floors of top layer, if the bottom wall is one of the floor for the orlop floor that the dry side wall is passed through Point, if or the floor of orlop floor that passes through of the bottom wall and the dry side wall is overall structure.

Further, the pressure release well main body protrudes out to the building exterior space, the building roof from the building roof Include building roof structure sheaf, building roof waterproof layer, building roof screed-coat and building roof surface layer successively from the bottom to top.

Further, the building roof structure sheaf uses armoured concrete slab.

Further, the building roof waterproof layer includes waterproof coating layer and waterproof roll successively from the bottom to top, described Waterproof roll is laid on the waterproof coating layer, and the side wall from the waterproof coating layer to the pressure release well main body stretches, Groove is provided with the side wall of the pressure release well main body, the waterproof roll receives head in the groove.

Preferably, the waterproof roll is fixed in the groove by cement nail and galvanized sheet, and embedding in the groove It is filled with the one or more in fluid sealant, ointment, weather-resistant glue.

It is highly preferred that the fluid sealant is mono-component polyurethane building sealant.

The fluid sealant is mono-component polyurethane building sealant.

Further, additional waterproof course is additionally provided with the junction of the building roof and the pressure release well main body, it is described Additional waterproof course is arranged on the junction of the building roof structure sheaf and the side wall of the pressure release well main body, and the waterproof is attached Plus layer is located at below the waterproof roll.

Further, the building roof also includes building roofing heat-insulating layer, and the building roofing heat-insulating layer is located at described Between building roof waterproof layer and the building roof screed-coat.

Compared with prior art, the beneficial effects of the utility model are as follows：

First, the utility model pressure release well can be while gas extinguishing pressure relief be met, it is ensured that outer wall structure of building is complete It is whole, reliable, and outward appearance is more preferably.Different from perforate and installing the mode of pressure relief opening directly on external wall in the prior art, this Utility model provides a kind of pressure release well for being built in interior rather than is only to depend on the perforate of external wall in itself, and the pressure release well exists Indoor section opens up pressure relief opening and installs closed type smoke exhaust fire damper, opens up exhaust outlet in outdoor section.Usually fire resisting damper is in Normally off, fire resisting damper starts during fire extinguishing, interior is connected with pressure release well by pressure relief opening, and the gas of superpressure leads to when now putting out a fire Cross pressure relief opening from interior drain into pressure release well, it is final drain into outdoor from the exhaust outlet of pressure release well, realize to architecture indoor pressure release Effect.Simultaneously as pressure relief opening is on indoor rather than external wall, so can avoid integrally-built to external wall broken It is bad, not only ensure the complete reliable of outer wall structure of building but also ensure the attractive in appearance of external wall.

Secondly, the utility model pressure release well ensure that the air-conditioning temperature control effect of interior is unaffected, make air-conditioning temperature control more Plus efficient energy-saving.Because the pressure relief opening of the utility model pressure release well is only connected with indoor, do not connected with outdoor, and on pressure relief opening Smoke exhaust fire damper is to close on ordinary days, therefore middle pressure release well is closing relative to interior on ordinary days.Therefore, when opening air-conditioning enters During row indoor temperature control, the setting of pressure release well can't cause exchanging for indoor temperature and outdoor temperature, so ensure that interior Air-conditioning temperature control effect is not influenceed by pressure release well, can realize energy-conservation, efficiently temperature control.

Finally, the utility model pressure release well ensure that the cleanliness factor of indoor environment, contribute to extension indoor equipment or production The service life of product.Because middle pressure release well is closing relative to interior on ordinary days, so even the extreme weathers such as storm are run into, Outdoor rainwater or foul is also only capable of entering in pressure release well by the exhaust outlet of pressure release well, without entering interior, therefore The cleanliness factor of indoor environment is can effectively ensure that, and then helps to extend the service life of indoor equipment.In addition, the utility model Stormproof louvre is also had additional on exhaust outlet, can effectively stop that most of rainwater or foul are dropped among pressure release well.

Brief description of the drawings

In order to illustrate more clearly of the technical scheme in the utility model embodiment, it will make below to required in embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings Other accompanying drawings.

Fig. 1 is the planar structure schematic diagram of the pressure release well of embodiment two.

Fig. 2 is the vertical cross section schematic diagram of the pressure release well of embodiment two.

Fig. 3 is one of distressed structure of the pressure release well of embodiment two.

Fig. 4 is the enlarged diagram of structure at A in Fig. 2.

Fig. 5 is the vertical cross section schematic diagram that embodiment three is built.

Fig. 6 is the enlarged diagram of structure at B in Fig. 5.

Embodiment

In the utility model, term " on ", " under ", "left", "right", "front", "rear", " top ", " bottom ", " interior ", " outer ", " in ", " vertical ", " level ", " transverse direction ", the orientation of the instruction such as " longitudinal direction " or position relationship be based on orientation shown in the drawings or Position relationship, is merely to illustrate the relative position relation between each part or part, is not particularly limited each part or group Into the specific installation position of part.

Also, above-mentioned part term is in addition to it can be used to indicate that orientation or position relationship, it is also possible to for representing it His implication, such as term " on " also be likely used for representing certain relations of dependence or annexation in some cases.For ability For the those of ordinary skill of domain, concrete meaning of these terms in the utility model can be understood as the case may be.

In addition, term " installation ", " setting ", " being provided with ", " connection ", " connected " should be interpreted broadly.For example, it may be solid Fixed connection, is detachably connected, or monolithic construction；Can mechanically connect, or electrical connection；Can be joined directly together, either It is indirectly connected to by intermediary, or is connection internal between two devices, element or parts.For this area For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

In addition, term " first ", " second " etc. are mainly used for distinguishing different parts or part, table is not intended to Relative importance and quantity bright or that imply indicated part or part.Unless otherwise indicated, the implication of " multiple " is two Individual or two or more.

In addition, in the utility model, net area refers to that construction area is deducted shared by shared area and wall cylinder Net usable floor area after area.The hole bottom absolute altitude of pressure relief opening refers to flooring or ground between the opening lower edge of pressure relief opening Vertical range.Interior net storey height refers to the vertical range between flooring or ground to top soffit or furred ceiling bottom surface.

The technical solution of the utility model is further described with reference to embodiment and accompanying drawing.

Embodiment one

The utility model provides a kind of pressure release well, including for forming the pressure release well main body of pressure release well cavity, the pressure release Well main body includes the indoor section located at architecture indoor, and is protruding to from the indoor section outdoor section of building roof, The indoor section is communicated with one or more pressure relief openings in the pressure release well cavity and architecture indoor space, the outdoor Part is communicated with the exhaust outlet in the pressure release well cavity and the building exterior space；Closed type row is installed on the pressure relief opening Cigarette fire resisting damper.

Embodiment two

The present embodiment provides a kind of pressure release well, when building is put out a fire using gas self-extinguishing system, the pressure release well For for building pressure release.With reference to shown in Fig. 1, Fig. 2, the pressure release well include be used for formed pressure release well cavity 16 pressure release well main body 1, The pressure relief opening 2 and exhaust outlet 3 that are opened in respectively in pressure release well main body 1,280 DEG C of electronic rows of closed type being installed on pressure relief opening 2 Cigarette fire resisting damper 4 and the aluminium alloy stormproof louvre 5 being installed on exhaust outlet 3.

Wherein, pressure release well main body 1 includes being located at the indoor section 91 of architecture indoor and protruding from from indoor section 91 building Build the outdoor section 92 of roofing.Pressure relief opening 2 is opened in the indoor section 91 of pressure release well main body, for connecting the He of pressure release well cavity 16 Architecture indoor space 21；Exhaust outlet 3 is opened in the outdoor section 92 of pressure release well main body, for connecting pressure release well cavity 16 and building The exterior space 22.In addition, 280 DEG C of electronic smoke exhaust fire dampers of closed type are being in usually normally off, just opened when fire occurs.

In the utility model, when architecture indoor is put out a fire using gas self-extinguishing system, 280 DEG C of closed type electricity Dynamic smoke exhaust fire damper is opened, and the gas of superpressure during fire extinguishing is drained into pressure release well cavity by pressure relief opening, and by being located outside portion The exhaust outlet discharge divided, so as to reach discharge gas, the pressure release purpose of reduction room pressure in time.In addition, in the utility model Gas self-extinguishing system be seven flourin propane fire extinction system.In fact, the environment and functional requirement that can also build are used Other gas self-extinguishing systems, such as carbon dioxide fire extinguishing system, mixed gas fire extinguishing system etc., the utility model Pressure release well for above-mentioned gas fire extinguishing system be applicable, can in time, effectively discharge the over-pressure gas produced during fire extinguishing.

Specifically, pressure release well main body 1 includes roof 11, the surface side wall of bottom wall 17 and four, and this four surface sides wall is the first side respectively Wall 12, second sidewall 13, the 3rd side wall 14 and the 4th side wall 15, four surface side walls enclose to form vertically extending gas passage, and The upper end of four surface side walls protrudes from building roof, and the envelope of roof 11 is located at the top of four surface side walls, and the envelope of bottom wall 17 is located at four surface side walls Bottom, and bottom wall 17 is a part for building floor.So as to enclose to form pressure release well cavity 16.In the present embodiment, the 3rd Side wall 14 shares a face wall with external wall, pressure release well is reduced the construction of a face wall, saves engineering time and raw material, Reduce difficulty of construction.In fact, pressure release well can also be independently arranged indoors, four surface side walls do not share wall with external wall. In addition, bottom wall both can also be integrally formed knot as being set to the part of building floor in the present embodiment with building floor Structure.

In addition, in the present embodiment, pressure relief opening 2 and exhaust outlet 3 are opened on the first side wall 12.Actually pressure relief opening 2 It can also be opened in exhaust outlet 3 on different lateral, such as shown in Fig. 3, pressure relief opening 2 is opened on the first side wall 12, exhaust outlet 3 It is opened on the 3rd side wall 14, as long as ensureing that the gas for draining into pressure release well cavity 16 from pressure relief opening 2 can be smoothly from exhaust outlet 3 Discharge.

As another embodiment, pressure release well in the present embodiment can building multiple storey setting pressure relief openings, tool Body, four surface side walls make multiple floors share the gas passage of same pressure release well through building roof and the floor of multiple floors, Bottom wall 17 both can be a part for building floor, can also be overall structure with building floor.It is communicated with each floor The pressure relief opening of the floor interior space and pressure release well cavity, so as to realize a pressure release well sharing between multiple floors.

Wherein, with reference to shown in Fig. 2, Fig. 4, roof 11 extends towards the outside of the first side wall 12 generally in a horizontal direction, and top The edge that wall 11 is extended to outside the first side wall 12 is provided with drip 111.Because the side of roof 11 is extended to provided with exhaust Outside the side wall of mouth 3, therefore when the lateral edges of roof 11 set drip 111, the drip 111 can effectively assemble rain Water, makes rainwater be fallen at drip, and waterproof rainwater is fallen directly into exhaust outlet 3.Plus the stormproof louvre set in exhaust outlet 3 5, used cooperatively with drip 111, rainwater can be better protected from and enter pressure release well cavity 16 from exhaust outlet 3.

The structure of the roof 11 includes successively from the bottom to top：

Be made using armoured concrete slab, thickness is 80mm structure sheaf 112；

Be made using polymer cement-base waterproof coating, thickness is 2mm waterproof layer 113；

The gradient is 2% sloping layer 114；

Using cement mortar plaster in two times obtain, thickness be 15mm screed-coat 115；The cement mortar of the screed-coat It is 1 by weight part ratio:2.5 water and cement mixing is formed, and mixed with the waterproof that percentage by weight is 5% in the cement mortar Powder；

The surface layer 116 of spraying or roller coating on screed-coat.

Wherein, before spraying or roller coating surface layer, first screed-coat is carried out at troweling for 5mm cement mortar using thickness Reason, cement mortar is 1 by weight part ratio used in troweling processing:2 water and cement mixing is formed.

Four surface side walls in the present embodiment are made up using thickness of 200mm concrete wall.

In the present embodiment, the net area of pressure release well main body 1 is S1, and the area of pressure relief opening 2 is S2, and S1 >=S2.It will let out The net area of kill-job main body is set to the area more than or equal to pressure relief opening, enables to the superpressure gas discharged during structural fire fighting Body in time, is smoothly discharged, and plays good pressure release effect.In addition, to take into account extinguishing effect and pressure release effect, the hole of pressure relief opening 2 Bottom absolute altitude is H1, and interior net storey height is H2, H1 >=2/3 × H2.If the hole bottom absolute altitude of pressure relief opening is relatively low, i.e. the aperture position of pressure relief opening It is relatively low, the heptafluoro-propane extinguishing chemical in seven flourin propane fire extinction system can be made to be lost in from pressure relief opening, cause extinguishing effect not good Or fire extinguishing failure.It is understood that by the gas extinguishing agent that gas with various automatic fire extinguishing system is used is different, therefore adopt During with other gas extinguishing agents, should according to the physicochemical property of gas set pressure relief opening hole bottom absolute altitude, to prevent gas extinguishing agent from It is lost in pressure relief opening.

In the present embodiment, the area of exhaust outlet 3 is S3, and the shielded area of stormproof louvre 5 is S4, and S3 >=S1+S4.It is anti- While the blinds of rain blinds plays rain cover effect, gas circulation is also blocked, to ensure to be surpassed during building extinction using gas The gas of pressure can be discharged smoothly from the stormproof louvre on exhaust outlet, therefore exhaust port area is set greater than or is equal to The shielded area sum of pressure release well net area and stormproof louvre.

Pressure relief opening is arranged on pressure release well in the present embodiment, rather than is set directly on external wall so that pressure release While well disclosure satisfy that extinguishing pressure relief, it is ensured that external wall it is complete, i.e., need not specially on external wall perforate set let out Mouth is pressed, hence in so that external wall structure is more reliable, and outward appearance whole structure is more preferably.Further, since 280 DEG C in this pressure release well are often The electronic smoke exhaust fire damper of closed form is being usually to close, therefore usually pressure release well is closing relative to the interior of building, indoor Air-conditioning temperature control effect will not be influenceed by pressure release well, and outdoor extreme weather (such as heavy rain, sand and dust) will not also cause to appoint to interior What influences.

Embodiment three

Pressure release well, and the 4th floor, the 5th floor of the building are provided with a kind of building for being provided with five floors layer, the building Share the pressure release well.It is understood that in the utility model, can prevent fires need according to the actual floor and reality of building Ask, for the shared pressure release well of the storey setting of different numbers of floor levels.For example, ten floors layer is provided with when building, and the 8th floor is extremely When tenth floor has gas extinguishing pressure relief demand, settable 8th floor to the tenth floor shares same pressure release well.Work as building Provided with 20 floors layer, and the 15th floor to the 20th floor, the 8th floor to the 9th floor has gas extinguishing pressure relief to need , then can be in the common same pressure release well of above-mentioned respective storey when asking.

Pressure release well in the present embodiment the difference is that only with the pressure release well in embodiment two, as shown in figure 5, this reality Apply the 4th floor of example building, the 5th floor and share same pressure release well, be specifically, four surface side walls from top to bottom sequentially pass through building Roofing 94, the floor 95 of the 5th floor, the floor 96 of the 4th floor, make the 5th floor, the 4th floor share same pressure release well The bottom wall 17 of gas passage, wherein pressure release well both can be the one of building floor (i.e. the floor 96 of the 4th floor in the present embodiment) Part, can also be overall structure with building floor.Meanwhile, the pressure release well main body 1 in the present embodiment building includes being arranged on the First indoor section 91 of four floors, the second indoor section 93 of the 5th floor is extended upwardly to from first indoor section 91, And the outdoor section 92 of building roof 94 is protruded from from the second indoor section 93.Wherein, first positioned at the 4th floor is indoor The first pressure relief opening 21 is offered on part 91, the architecture indoor space 21 for connecting pressure release well cavity 16 and the 4th floor；Position In offering the second pressure relief opening 22 on the second indoor section 93 of the 5th floor, for connecting pressure release well cavity 16 and the 5th floor Architecture indoor space 23.Accordingly, the one 280 DEG C of electronic smoke exhaust fire damper of closed type is installed on the first pressure relief opening 21 41, the 2nd 280 DEG C of electronic smoke exhaust fire damper 42 of closed type is installed on the second pressure relief opening 22.The other structures of the pressure release well with Pressure release well construction in embodiment two is identical, and here is omitted.

In the present embodiment, when fire occurs for architecture indoor, positioned at the one 280 DEG C of electronic row of closed type of the 4th floor Cigarette fire resisting damper open, make the 4th floor architecture indoor space gas can be discharged to from the first pressure relief opening pressure release well gas lead to Smoothly discharged in road, and the final exhaust outlet from positioned at building outdoor；Similarly, positioned at 280 DEG C of closed type electricity of the 5th floor Dynamic smoke exhaust fire damper is opened, and pressure release well can be discharged to from the second pressure relief opening by making the over-pressure gas in the 5th floor architecture indoor space Gas passage, and it is final smoothly discharged from positioned at the outdoor exhaust outlet of building, be achieved in different floors and share same let out The purpose of kill-job pressure release exhaust.

In addition, the pressure release well main body 1 of the present embodiment protrudes out to outdoor architecture space 22 from the building roof of building, therefore let out The side wall 12 of kill-job main body 1 and building roof 94 intersect junction and need to carry out special water-proofing treatment, to prevent because of building Face it is integrally-built destruction and cause the generation of building roof drainage.

With reference to shown in Fig. 5, Fig. 6, the structure for the building roof 94 built in the present embodiment is followed successively by from the bottom to top：Building Face structure sheaf 941, building roof waterproof layer 942, building roofing heat-insulating layer 943, building roof screed-coat 944 and building roof face Layer 945.Wherein, building roof structure sheaf 941 uses armoured concrete slab.

Building roof waterproof layer 942 includes waterproof coating layer 9421 and waterproof roll 9422 successively from the bottom to top, wherein anti- Water coiled material 9422 is laid on waterproof coating layer 9421, and from waterproof coating layer 9421 to the first side wall 12 of pressure release well main body 1 Upper vertical stretch attaches, and groove 121 is provided with the first side wall 12 of the pressure release well main body 1, waterproof roll 9422 passes through cement nail It is fixed on galvanized sheet in groove 121, and pointing has mono-component polyurethane building sealant in groove, for sealing fixed waterproof Coiled material 9422.In addition, being additionally provided with additional waterproof course 946 in the junction of building roof 94 and pressure release well main body 1, the waterproof is added Layer 946 is specifically located at the junction of building roof structure sheaf 941 and the first side wall 12 of pressure release well main body 1, and waterproof is additional Layer 946 is located at the lower section of waterproof roll 9422, to strengthen the waterproof effect of junction.

Pressure release well disclosed in the utility model embodiment and its building are described in detail above, it is used herein Specific case is set forth to principle of the present utility model and embodiment, and the explanation of above example is only intended to help and managed Solve method of the present utility model and its core concept；Simultaneously for those of ordinary skill in the art, according to of the present utility model Thought, will change in specific embodiments and applications, in summary, and this specification content should not be construed as To limitation of the present utility model.

Claims (10)

1. a kind of pressure release well, it is characterised in that：The pressure release well includes the pressure release well main body for being used to form pressure release well cavity, described Pressure release well main body includes the indoor section located at architecture indoor, and protrudes from from the indoor section outdoor of building roof Point, the indoor section is communicated with one or more pressure relief openings in the pressure release well cavity and architecture indoor space, described Outdoor section is communicated with the exhaust outlet in the pressure release well cavity and the building exterior space；It is provided with the pressure relief opening normally closed Type smoke exhaust fire damper.

2. pressure release well according to claim 1, it is characterised in that：

If the pressure release well main body includes enclosing the roof to form the pressure release well cavity, bottom wall and dry side wall；

If the dry side wall encloses to form vertically extending gas passage, and if the upper end of the dry side wall protrudes from the building Roofing, if roof envelope is located at the top of the dry side wall, if bottom wall envelope is located at the bottom of the dry side wall, so as to enclose Conjunction forms the pressure release well cavity；

The pressure relief opening is opened on the side wall, and the exhaust outlet is opened in the upper end of the side wall, and positioned at the building Above roofing.

3. pressure release well according to claim 2, it is characterised in that：

If the dry side wall is through building roof and the floor of some floors, the bottom wall is a part for building floor, or The bottom wall is overall structure with building floor；

The pressure release well main body is communicated with the floor interior space in the single floor of building or multiple floors of building With the pressure relief opening of the pressure release well cavity.

4. the pressure release well according to any one of claims 1 to 3, it is characterised in that：The net area of the pressure release well main body is S1, the area of the pressure relief opening is S2, S1 >=S2；The hole bottom absolute altitude of the pressure relief opening be H1, architecture indoor clear height be H2, H1 >= 2/3×H2。

5. the pressure release well according to any one of claims 1 to 3, it is characterised in that：The closed type smoke exhaust fire damper is 280 DEG C electronic smoke exhaust fire damper of closed type.

6. the pressure release well according to any one of claims 1 to 3, it is characterised in that：The pressure release well also includes stormproof louvre, The stormproof louvre is installed in the exhaust outlet；The area of the exhaust outlet is S3, and the shielded area of the stormproof louvre is S4, S3 >=S1+S4.

7. one kind building, the building includes one or more layers floor, it is characterised in that：Such as claim is provided with the building Pressure release well described in 1 to 6 any one.

8. building according to claim 7, it is characterised in that：It is described in all or part floor of the building Pressure release well main body is provided with the pressure relief opening.

9. building according to claim 8, it is characterised in that：The pressure release well main body includes enclosing to form the pressure release well If the roof of cavity, bottom wall and dry side wall；

The building includes multilayer floor, if some floors of the dry side wall through the floor of top layer and from top layer downwards Floor, if the bottom wall is a part for the floor for the orlop floor that the dry side wall is passed through, or the bottom wall with it is described If the floor for the orlop floor that dry side wall is passed through is overall structure.

10. building according to claim 8, it is characterised in that：The pressure release well main body is protruded out to from the building roof The exterior space is built, the building roof includes building roof structure sheaf, building roof waterproof layer, building successively from the bottom to top Face screed-coat and building roof surface layer；Waterproof is additionally provided with the junction of the building roof and the pressure release well main body to add Layer.