CN105951993A - Negative pressure gas film building system - Google Patents
Negative pressure gas film building system Download PDFInfo
- Publication number
- CN105951993A CN105951993A CN201610417302.8A CN201610417302A CN105951993A CN 105951993 A CN105951993 A CN 105951993A CN 201610417302 A CN201610417302 A CN 201610417302A CN 105951993 A CN105951993 A CN 105951993A
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- China
- Prior art keywords
- negative pressure
- membrane building
- pneumatic membrane
- pressure pneumatic
- gas film
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/32—Arched structures; Vaulted structures; Folded structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/32—Arched structures; Vaulted structures; Folded structures
- E04B1/3205—Structures with a longitudinal horizontal axis, e.g. cylindrical or prismatic structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/32—Arched structures; Vaulted structures; Folded structures
- E04B2001/3229—Arched structures; Vaulted structures; Folded structures constructed using a boom
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Tents Or Canopies (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to the technical field of film building, in particular to a negative pressure gas film building system. The negative pressure gas film building system comprises a gas film containment system and an exhaust system. The gas film containment system comprises a supporting framework and a gas film structure roof covering the outer surface of the supporting framework. The exhaust system comprises a plurality of exhaust fans used for sucking air in the gas film containment system to be exhausted outwards. According to the negative pressure gas film building system, compared with a positive pressure gas film building in the prior art, pressure inside the gas film building is smaller than normal atmosphere outside the gas film building, and harmful gas inside the gas membrane building will not be leaked when the gas film structure roof is damaged, so that secondary pollution events are avoided, and negative pressure gas film building system is safe, reliable and beneficial to environmental pollution.
Description
Technical field
The present invention relates to pneumatic membrane building technical field, particularly relate to a kind of negative pressure pneumatic membrane building system.
Background technology
Along with the progress of China's level of economic development, energy-conserving and environment-protective, eliminate the environmental requirements such as haze and become more and more important.Currently, national environmental protection policy is distinctly claimed Polluted Soil processing item and forbids open work, it is necessary to carry out totally-enclosed harmless treatment.Pneumatic membrane building, as a kind of novel construction style, has good leak tightness, and span is big, and the advantages such as the construction period is short have obtained progressively promoting.
But existing pneumatic membrane building commonly used positive pressure gas membrane structure form, the internal exoskeletal support of positive pressure gas membrane structure, by providing positive pressure air that air film main structure body is supported inside pneumatic membrane building.In use, due to membrane structure of being bullied internal positive air pressure impact, face once damages, it will causes poisonous gas leakage in film, causes secondary environmental pollution.
Summary of the invention
(1) to solve the technical problem that
It is an object of the invention to provide a kind of negative pressure pneumatic membrane building system, solve existing positive pressure gas membrane building, face damage can cause poisonous gas leakage in film, causes the technical problem of secondary environmental pollution.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides a kind of negative pressure pneumatic membrane building system, including air film containment system and exhaust system, wherein said air film containment system includes the gas film structure roof that support frame and covering are arranged on described support frame outer surface, and described exhaust system includes some for extracting the exhaust fan that described air film containment system inner air outwards discharges.
Further, described support frame is tube truss structure or double-layer latticed shell structure.
Specifically, described gas film structure roof is connected by prestressing apparatus with described support frame.
Further, described negative pressure pneumatic membrane building system also includes master control system, air inlet system, Environmental safety supervision system and tail gas clean-up processing system, and described master control system is connected with described exhaust system, described air inlet system, described Environmental safety supervision system and described tail gas clean-up processing system respectively.
Specifically, described air inlet system includes some self hang down type air feed shutters and is arranged on the air intake valve on described self hang down type air feed shutter.
Specifically, described Environmental safety supervision system includes being arranged on the toxic gas sensor within described air film containment system and gas alarm controller.
Specifically, described tail gas clean-up processing system includes cleaner unit, the activated-charcoal purifier being connected by intake stack with described cleaner unit, and the centrifugal blower being connected with described activated-charcoal purifier, and wherein said centrifugal blower is connected with air draft chimney.
Further, described negative pressure pneumatic membrane building system also includes illuminator and monitoring system,
Further, described negative pressure pneumatic membrane building system also includes that discrepancy system, described discrepancy system include vehicles while passing door, personnel's inlet/outlet, emergency safety door and spare gate.
(3) beneficial effect
The technique scheme of the present invention has the advantage that
The negative pressure pneumatic membrane building system that the present invention provides, gas film structure roof is covered and is arranged on support frame outer surface composition air film containment system, and outwards discharged the air extraction within air film containment system by exhaust fan again so that pneumatic membrane building is internally formed negative pressure.Compared with the positive pressure gas membrane building of prior art; this negative pressure pneumatic membrane building system; owing to the pressure in pneumatic membrane building is less than the normal atmosphere (An) outside pneumatic membrane building; when gas film structure roof is damaged; harmful gas in pneumatic membrane building will not leak; thus without there is secondary pollution event, safe and reliable, beneficially environmental conservation.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention negative pressure pneumatic membrane building system；
Fig. 2 is the top view of Fig. 1 of embodiment of the present invention negative pressure pneumatic membrane building system；
Fig. 3 is the left view of Fig. 1 of embodiment of the present invention negative pressure pneumatic membrane building system；
Fig. 4 is the tail gas clean-up processing system schematic diagram of embodiment of the present invention negative pressure pneumatic membrane building system.
In figure: 1: air film containment system；2: retaining wall；31: vehicle enters door；32: vehicle exits door；4: personnel's inlet/outlet；5: emergency safety door；6: spare gate；7: self hang down type air feed shutter；81: cleaner unit；82: intake stack；83: activated-charcoal purifier；84: centrifugal blower；85: air draft chimney.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained on the premise of not making creative work, broadly fall into the scope of protection of the invention.
As Figure 1-3, the negative pressure pneumatic membrane building system that the present invention provides, including air film containment system 1 and exhaust system, wherein said air film containment system 1 includes the gas film structure roof that support frame and covering are arranged on described support frame outer surface, and described exhaust system includes some for extracting the exhaust fan that described air film containment system inner air outwards discharges.
This negative pressure pneumatic membrane building system, supports described gas film structure roof by described support frame, then extracts the air within pneumatic membrane building by exhaust fan and outwards discharge so that pneumatic membrane building is internally formed negative pressure.Compared with the positive pressure gas membrane building of prior art, owing to the internal pressure of this negative pressure pneumatic membrane building system is less than outside normal atmosphere (An) so that when gas film structure roof is damaged, the harmful gas in pneumatic membrane building will not leak, thus without there is secondary pollution event, safe and reliable.
Furthermore, described support frame can use tube truss structure or double-layer latticed shell structure.
In embodiments of the present invention, described support frame uses double-layer latticed shell structure, described latticed shell structure include cylindrical latticed shell structure and respectively two ends with described cylindrical latticed shell structure be the arc-shaped curved surface latticed shell structure that arc transition is connected.This version makes the profile of whole negative pressure pneumatic membrane building system coordinate attractive in appearance, it is possible to realize the perfect adaptation between gas film structure roof and support frame.
Specifically, described film structure roof uses the flexible thin-film material of high intensity, described film structure roof covers and is arranged on the upper cord member surface forming described double-layer latticed shell structure, and the upper cord member of described film structure roof and described double-layer latticed shell structure is tightly connected together by prestressing apparatus, reach to resist the purpose of external wind, snow load.The bottom of described film structure roof is connected sealing with the retaining wall 2 being arranged on described air film containment system 1 surrounding, thus forms confined space.
More specifically, described negative pressure pneumatic membrane building system also includes discrepancy system, described discrepancy system includes vehicles while passing door, personnel's inlet/outlet 4, emergency safety door 5 and spare gate 6, described discrepancy system and described gas film structure roof compact siro spinning technology, owing to the discrepancy that this negative pressure pneumatic membrane building internal system is negative pressure, vehicle and personnel will not cause the interior gas of building to leak out.Wherein said vehicles while passing door includes that vehicle enters door 31 and vehicle exits door 32, and described vehicle enters door 31 and vehicle exits door 32 and is respectively adopted infrared induction door, and described personnel's inlet/outlet 4 uses cloverleaf revolving door.
Still further, described negative pressure pneumatic membrane building system also includes master control system, air inlet system, Environmental safety supervision system, tail gas clean-up processing system, illuminator and monitoring system, and wherein said master control system is connected with described exhaust system, described air inlet system, described Environmental safety supervision system, described tail gas clean-up processing system, described illuminator and described monitoring system respectively.
Specifically, described air inlet system includes some self hang down type air feed shutters 7 being arranged on described retaining wall 2 and air intake valve, can be controlled the size of unlatching, closedown and the intake of described self hang down type air feed shutter 7 by described air intake valve.Negative pressure pneumatic membrane building intrasystem pressure value can not only be maintained at set point by described air inlet system, but also provide new wind for the intrasystem operating personnel of negative pressure pneumatic membrane building, by carrying new wind, the toxic gas in each corner in negative pressure pneumatic membrane building system is carried out mixed flow, thus ensure the process in a organized way of toxic gas.
As shown in Figure 4, described tail gas clean-up processing system includes cleaner unit 81, the activated-charcoal purifier 83 being connected by intake stack 82 with described cleaner unit 81, and the centrifugal blower 84 being connected with described activated-charcoal purifier 83, wherein said cleaner unit 81 uses sack cleaner, for bulky grain thing in gas is tentatively filtered, enter in described activated-charcoal purifier 83 by described intake stack 82 again, the toxic gas that described activated-charcoal purifier 83 uses activated carbon adsorption principle to volatilize Polluted Soil carries out centralized collection, focus on, until reaching discharge standard, described centrifugal blower 84 uses protected against explosion centrifugal blower, for drawing in the intrasystem toxic gas of negative pressure pneumatic membrane building extremely described tail gas clean-up processing system, described centrifugal blower 84 is connected with air draft chimney 85.
Described Environmental safety supervision system includes being arranged on the toxic gas sensor within described air film containment system and gas alarm controller, wherein said toxic gas sensor is monitored in real time for gases such as organic compound VOCs intrasystem to negative pressure pneumatic membrane building, CO, NOx, benzene, and monitoring signal is transferred to described master control system.When toxic gas is for a long time beyond alarming line, and described gas alarm controller can produce sound and light alarm, and prompting operating personnel hasten to withdraw from negative pressure pneumatic membrane building system, it is ensured that personnel's personal safety.
Described illuminator includes interior illuminator and outdoor illumination, can not only provide illumination for night work by described illuminator, and can provide reliable illuminance for monitoring camera.
Described monitoring system includes high speed zoom camera, DVR and display, described monitoring system have comprehensive, completely, clearly monitoring storage function, negative pressure pneumatic membrane building system can be carried out Centralized Monitoring by described monitoring system, at the video pictures of very first time grasp negative pressure pneumatic membrane building running situation, thus the effective management to negative pressure pneumatic membrane building system can be improved.
In addition, described negative pressure pneumatic membrane building system also includes data collecting system, terminal remote monitor supervision platform, control cabinet for power distribution and frequency-changing control system, wherein said terminal remote monitor supervision platform be in Central Control Room by computer display screen in negative pressure pneumatic membrane building system the computer terminal understood in real time of systematic ruuning situation and service data, and have the functions such as data storage, the inquiry of historical data.Described data collecting system includes being separately mounted to the described intrasystem pressure transducer of negative pressure pneumatic membrane building, temperature sensor and humidity sensor, described data collecting system is for carrying out pressure detecting, temperature detection and Humidity Detection to negative pressure pneumatic membrane building internal system, and the data collected are transferred to described master control system in real time.
The running of negative pressure pneumatic membrane building system of the present invention is: carry out air draft by the exhaust fan of described exhaust system is continual, this intrasystem air pressure of negative pressure pneumatic membrane building is reduced and forms negative pressure, when reaching certain negative pressure value, described master control system controls described air intake valve and opens, make-up gas in negative pressure pneumatic membrane building system, thus form flow field, ensure that pressure differential is in setting safety range, it is ensured that stablizing of structure simultaneously.Polluted Soil is carried out resolving operation by the Work machine in negative pressure pneumatic membrane building internal system, the gases such as substantial amounts of VOC VOCs, CO, NOx, benzene can be produced in airtight space, in order to ensure physical and mental health and the safety in closed space of staff in confined space, need by described Environmental safety supervision system, the gas in confined space to be detected.The concentration of toxic gases of inner space will be detected by described toxic gas sensor, when concentration is beyond safety range, signal is sent to described master control system by described toxic gas sensor, described master control system sends instruction, controlling described tail gas clean-up processing system to start, the toxic gas that negative pressure pneumatic membrane building internal system Polluted Soil volatilize is carried out filtering by described tail gas clean-up processing system, carry out qualified discharge after activated carbon adsorption process.I.e. realize the toxic gas dramatic shift by uncontrollable discharge to organized discharge in operation area, reach environmental protection standard requirement.
In above-mentioned running, by the uninterrupted air draft of the exhaust fan of described exhaust system, this negative pressure pneumatic membrane building internal system is maintained to be in negative pressure state.When in this negative pressure pneumatic membrane building system, concentration of toxic gases is beyond safety range, described Environmental safety supervision system sends signal to described master control system, described master control system controls described tail gas clean-up processing system and starts, the air draft of the exhaust fan simultaneously stopping described exhaust system runs, thus the air of this negative pressure pneumatic membrane building internal system carries out air draft again after purified treatment.In the process; described master control system issues instruction by frequency-variable controller; complete clog-free switching between described exhaust system and described tail gas clean-up processing system, not only ensure that the intrasystem personal security of negative pressure pneumatic membrane building, also reach to protect the purpose of environment.
In sum, the negative pressure pneumatic membrane building system that the present invention provides, gas film structure roof is covered and is arranged on support frame outer surface composition air film containment system, then by the air extraction of negative pressure pneumatic membrane building internal system and outwards discharged by exhaust fan so that pneumatic membrane building is internally formed negative pressure.Compared with the positive pressure gas membrane building of prior art; this negative pressure pneumatic membrane building system; owing to the pressure in pneumatic membrane building is less than the normal atmosphere (An) outside pneumatic membrane building; when gas film structure roof is damaged; harmful gas in pneumatic membrane building will not leak; thus without there is secondary pollution event, safe and reliable, beneficially environmental conservation.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a negative pressure pneumatic membrane building system, it is characterised in that: include air film containment system and row
Wind system, wherein said air film containment system includes that support frame and covering are arranged on described
Gas film structure roof on support bone frame outer surface, described exhaust system includes some for extracting
State the exhaust fan that air film containment system inner air outwards discharges.
Negative pressure pneumatic membrane building system the most according to claim 1, it is characterised in that: described
Support frame is tube truss structure or double-layer latticed shell structure.
Negative pressure pneumatic membrane building system the most according to claim 1, it is characterised in that: described
Gas film structure roof is connected by prestressing apparatus with described support frame.
Negative pressure pneumatic membrane building system the most according to claim 1, it is characterised in that: also wrap
Include master control system, air inlet system, Environmental safety supervision system and tail gas clean-up processing system, institute
State master control system respectively with described exhaust system, described air inlet system, described Environmental safety supervision
System is connected with described tail gas clean-up processing system.
Negative pressure pneumatic membrane building system the most according to claim 4, it is characterised in that: described
Air inlet system includes some self hang down type air feed shutters and is arranged on described self hang down type air feed shutter
Air intake valve.
Negative pressure pneumatic membrane building system the most according to claim 4, it is characterised in that: described
Environmental safety supervision system includes the toxic gas sensing being arranged within described air film containment system
Device, and gas alarm controller.
Negative pressure pneumatic membrane building system the most according to claim 4, it is characterised in that: described
Tail gas clean-up processing system includes cleaner unit, the work being connected by intake stack with described cleaner unit
Property carbon purifying device, and the centrifugal blower being connected with described activated-charcoal purifier, wherein said from
Heart-wind syndrome machine is connected with air draft chimney.
Negative pressure pneumatic membrane building system the most according to claim 4, it is characterised in that: also wrap
Include illuminator and monitoring system, described illuminator and described monitoring system respectively with described master
Ore-controlling Role is connected.
Negative pressure pneumatic membrane building system the most according to claim 1, it is characterised in that: also wrap
Including into system, described discrepancy system includes vehicles while passing door, personnel's inlet/outlet, emergent safety
Door and spare gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610417302.8A CN105951993A (en) | 2016-06-14 | 2016-06-14 | Negative pressure gas film building system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610417302.8A CN105951993A (en) | 2016-06-14 | 2016-06-14 | Negative pressure gas film building system |
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| Publication Number | Publication Date |
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| CN105951993A true CN105951993A (en) | 2016-09-21 |
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| CN201610417302.8A Pending CN105951993A (en) | 2016-06-14 | 2016-06-14 | Negative pressure gas film building system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759911A (en) * | 2017-01-24 | 2017-05-31 | 成都思源兄弟科技有限公司 | Intake type inflation film building |
| CN109335366A (en) * | 2018-11-23 | 2019-02-15 | 曾勇军 | A kind of oversize flexibility gas storage and method |
| CN111502008A (en) * | 2020-05-07 | 2020-08-07 | 中山大学 | Membrane-shell composition structure suitable for space base and construction method |
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| CN111502008A (en) * | 2020-05-07 | 2020-08-07 | 中山大学 | Membrane-shell composition structure suitable for space base and construction method |
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Application publication date: 20160921 |