CN209162887U - Urban Underground pipe gallery fire-resistive plugging partition wall - Google Patents
Urban Underground pipe gallery fire-resistive plugging partition wall Download PDFInfo
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- CN209162887U CN209162887U CN201821779667.6U CN201821779667U CN209162887U CN 209162887 U CN209162887 U CN 209162887U CN 201821779667 U CN201821779667 U CN 201821779667U CN 209162887 U CN209162887 U CN 209162887U
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- fire
- resistive
- pipe gallery
- partition wall
- underground pipe
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Abstract
The utility model belongs to technical field of fire control, is related to a kind of Urban Underground pipe gallery fire-resistive plugging partition wall, including mineral wool bed course and overlays the fire protection plaster wall on mineral wool bed course top.The utility model provides that a kind of requirement that can satisfy fireproof partition to fire resistance, the feature of environmental protection is strong and uses safe Urban Underground pipe gallery fire-resistive plugging partition wall.
Description
Technical field
The utility model belongs to technical field of fire control, with being related to a kind of fire-resistive plugging partition wall more particularly to a kind of city
Lower pipe gallery fire-resistive plugging partition wall.
Background technique
Pipe gallery is exactly the comprehensive corridor of underground urban duct.A tunnel space is built in Urban Underground, it will be electric
Power, communication, the various utilities pipelines such as combustion gas, heat supply, plumbing are integrated in one, and are equipped with special access hole, hoisting port and monitoring
System implements unified planning, Uniting, unified construction and management, is the important infrastructure for ensureing city operations.
According to the requirement of GB50838-2015 " city integrated piping lane engineering legislation ", the cabin of power cable should be every
Noninflammability wall of the 200m using fire endurance not less than 3.0h carries out fire separation, and the door at fire separation need to be anti-using first class
Vent.
Currently, the fire-resistive plugging partition of Urban Underground pipe gallery, traditional way is using fire retardant package, organic mud, prevents
Fire screen plate is constructed.Fire retardant package is packed using glass fabric, and construction when easily generates stimulation to human body,
Lead to skin allergy, the phenomenon that red and swollen, itch occurs.Fire retardant package meets water and is easy swelling, will lead to wall collapsing over time.And
Contain a large amount of halogen, sulphur in organic mud, fire barrier, there is very strong corrosivity to cable skin and metal gantry, and have
Cohesive force between machine mud and cable is very poor, and organic mud can dry out, become fragile over time, eventually separates, takes off with cable skin
It falls.When a fire, the gases such as a large amount of hydrogen halides, sulfur dioxide can be generated after these material combustions be easy to cause people to be poisoned
It is dead.
Utility model content
In order to solve the above technical problems in background technology, the utility model, which provides one kind, can satisfy fire prevention
Separate that requirement to fire resistance, the feature of environmental protection is strong and uses safe Urban Underground pipe gallery fire-resistive plugging partition wall.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of Urban Underground pipe gallery fire-resistive plugging partition wall, it is characterised in that: the Urban Underground pipe gallery is anti-
It includes mineral wool bed course and the fire protection plaster wall for overlaying mineral wool bed course top that fire, which blocks partition wall,.
Preferably, being provided with flameproof fabric between mineral wool bed course and fire protection plaster wall used by the utility model.
Preferably, the bottom surface and surface of mineral wool bed course used by the utility model are coated with fireproof seal gum.
Preferably, fireproof seal gum used by the utility model is expansion fire-proof sealant, the intumescent is anti-
The chance fire expansion character of fiery sealant is not less than 300%.
Preferably, fire protection plaster wall used by the utility model is to be formed by masonry walls by fire protection plaster or by preventing
Fiery plaster, which directly pours to be formed by, pours walling.
Preferably, fire protection plaster wall used by the utility model is one or more layers.
Preferably, the surface of fire protection plaster wall used by the utility model is coated with fire protection plaster screed.
Preferably, mineral wool bulk density used by mineral wool bed course used by the utility model is not less than 120kg/m3。
The utility model has the advantages that:
The utility model provides a kind of Urban Underground pipe gallery fire-resistive plugging partition wall, the Urban Underground pipe gallery
Fire-resistive plugging partition wall includes mineral wool bed course and the fire protection plaster wall for overlaying mineral wool bed course top.What the utility model used
Fire protection plaster is the inorganic composite materials of cement base, expanded perlite of arranging in pairs or groups, with light, intensity is high, the spy of good heat-insulation effect
Point, can wall penetration and hole punching facilitate it is secondary run through, not only can direct pouring molding, but also brick can first be made and construct again, lead
Want ingredient without containing harmful components such as halogen, sulphur, use is more environmentally friendly, and use is safer；One layer is padded above electric wire, cable
Fire protection plaster can be effectively relieved to the weight of electric wire, cable in mineral wool bed course, to reduce electric current or electric signal transmittance process
In loss；One layer of expansion fire-proof sealant is smeared in electric wire, cable and mineral wool bed course seam crossing, it can be by gap herein
Stifled is more closely knit, preferably plays the role of fire-proof smoke insulation.Fire-proof sealing material used by the utility model, including fire prevention ash
Mud, fireproof seal gum, mineral wool be halogen-free, sulphur, to no damage to human body, and has excellent water resistance, durable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Urban Underground pipe gallery fire-resistive plugging partition wall provided by the utility model；
Fig. 2 is the sectional structure signal of Urban Underground pipe gallery fire-resistive plugging partition wall provided by the utility model
Figure；
Wherein:
1- mineral wool bed course；2- flameproof fabric；3- fire protection plaster wall；4- fireproof seal gum；5- cable and wire.
Specific embodiment
Referring to Fig. 1 and Fig. 2, the utility model provides a kind of Urban Underground pipe gallery fire-resistive plugging partition wall, packet
It includes mineral wool bed course 1 and overlays the fire protection plaster wall 3 on 1 top of mineral wool bed course.It is set between mineral wool bed course 1 and fire protection plaster wall 3
It is equipped with flameproof fabric 2.The bottom surface and surface of mineral wool bed course 1 are coated with fireproof seal gum 4；Fireproof seal gum 4 is expansion fire-proof
The chance fire expansion character of sealant, expansion fire-proof sealant is not less than 300%.
Fire protection plaster wall 3 is to be formed by masonry walls by fire protection plaster or directly pour to be formed by by fire protection plaster to pour
Wall；Fire protection plaster wall 3 is one or more layers, and the surface of fire protection plaster wall 3 is coated with fire protection plaster screed.1 institute of mineral wool bed course
The mineral wool bulk density of use is not less than 120kg/m3。
For the fire protection plaster that the utility model uses for the inorganic composite materials of cement base, expanded perlite of arranging in pairs or groups has matter
Gently, the characteristics of intensity is high, good heat-insulation effect, can wall penetration and hole punching facilitate it is secondary run through, not only can direct pouring molding, but also can be first
Brick is made to construct again, for main component without containing the harmful components such as halogen, sulphur, use is more environmentally friendly, using more pacifying
Entirely；One layer of mineral wool bed course is padded above cable and wire 5, and fire protection plaster can be effectively relieved to the weight of electric wire, cable, to subtract
Loss in few electric current or electric signal transmittance process；It is anti-that one layer of intumescent is smeared in electric wire, cable and mineral wool bed course seam crossing
Fiery sealant, can by gap herein block up it is more closely knit, preferably play the role of fire-proof smoke insulation.
When specifically used, pay width with plate first at the gantry for needing to do fire separation is the utility model
The mold of 200mm pads one layer of mineral wool bed course above electric wire and cable, and is tightened with flameproof fabric, facilitates secondary perforated holes
With, fire protection plaster and water is uniform according to certain proportion reconciliation, and inject in mold, pouring height every time is 400mm, and is smash
It is real, mold of dismantling after fire protection plaster is dry, and one layer of expansion fire-proof sealing is smeared in electric wire, cable and mineral wool seam crossing
Glue is smoothed out fireproof partition surface, polishing with some fire protection plaster mortars of water tune.
Claims (8)
1. a kind of Urban Underground pipe gallery fire-resistive plugging partition wall, it is characterised in that: the Urban Underground pipe gallery fire prevention
Blocking partition wall includes mineral wool bed course (1) and the fire protection plaster wall (3) for overlaying mineral wool bed course (1) top.
2. Urban Underground pipe gallery fire-resistive plugging partition wall according to claim 1, it is characterised in that: the cushion of mineral wool
Flameproof fabric (2) are provided between layer (1) and fire protection plaster wall (3).
3. Urban Underground pipe gallery fire-resistive plugging partition wall according to claim 2, it is characterised in that: the cushion of mineral wool
The bottom surface and surface of layer (1) are coated with fireproof seal gum (4).
4. Urban Underground pipe gallery fire-resistive plugging partition wall according to claim 3, it is characterised in that: the fire prevention is close
Sealing (4) is expansion fire-proof sealant, and the chance fire expansion character of the expansion fire-proof sealant is not less than 300%.
5. Urban Underground pipe gallery fire-resistive plugging partition wall according to claim 1 or 2 or 3 or 4, it is characterised in that:
The fire protection plaster wall (3) is to be formed by masonry walls by fire protection plaster or directly pour to be formed by by fire protection plaster to pour
Wall.
6. Urban Underground pipe gallery fire-resistive plugging partition wall according to claim 5, it is characterised in that: the fire prevention ash
Mud wall (3) is one or more layers.
7. Urban Underground pipe gallery fire-resistive plugging partition wall according to claim 6, it is characterised in that: the fire prevention ash
The surface of mud wall (3) is coated with fire protection plaster screed.
8. Urban Underground pipe gallery fire-resistive plugging partition wall according to claim 7, it is characterised in that: the cushion of mineral wool
Mineral wool bulk density used by layer (1) is not less than 120kg/m3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821779667.6U CN209162887U (en) | 2018-10-30 | 2018-10-30 | Urban Underground pipe gallery fire-resistive plugging partition wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821779667.6U CN209162887U (en) | 2018-10-30 | 2018-10-30 | Urban Underground pipe gallery fire-resistive plugging partition wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209162887U true CN209162887U (en) | 2019-07-26 |
Family
ID=67335976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821779667.6U Active CN209162887U (en) | 2018-10-30 | 2018-10-30 | Urban Underground pipe gallery fire-resistive plugging partition wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209162887U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965660A (en) * | 2019-12-16 | 2020-04-07 | 应急管理部四川消防研究所 | Fire protection system for cable |
-
2018
- 2018-10-30 CN CN201821779667.6U patent/CN209162887U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965660A (en) * | 2019-12-16 | 2020-04-07 | 应急管理部四川消防研究所 | Fire protection system for cable |
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